diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-06 17:35:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-06 17:35:43 -0700 |
| commit | 19fd08b85bc7e0502b55cd726f466df82ee7e777 (patch) | |
| tree | b042de4b9a8a9478c528ea950b14d34487375695 | |
| parent | 28da7be5ebc096ada5e6bc526c623bdd8c47800a (diff) | |
| parent | efc365e7290d040fbd43f60b0e97653489a739d4 (diff) | |
| download | linux-19fd08b85bc7e0502b55cd726f466df82ee7e777.tar.gz linux-19fd08b85bc7e0502b55cd726f466df82ee7e777.tar.bz2 linux-19fd08b85bc7e0502b55cd726f466df82ee7e777.zip | |
Merge tag 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Doug and I are at a conference next week so if another PR is sent I
expect it to only be bug fixes. Parav noted yesterday that there are
some fringe case behavior changes in his work that he would like to
fix, and I see that Intel has a number of rc looking patches for HFI1
they posted yesterday.
Parav is again the biggest contributor by patch count with his ongoing
work to enable container support in the RDMA stack, followed by Leon
doing syzkaller inspired cleanups, though most of the actual fixing
went to RC.
There is one uncomfortable series here fixing the user ABI to actually
work as intended in 32 bit mode. There are lots of notes in the commit
messages, but the basic summary is we don't think there is an actual
32 bit kernel user of drivers/infiniband for several good reasons.
However we are seeing people want to use a 32 bit user space with 64
bit kernel, which didn't completely work today. So in fixing it we
required a 32 bit rxe user to upgrade their userspace. rxe users are
still already quite rare and we think a 32 bit one is non-existing.
- Fix RDMA uapi headers to actually compile in userspace and be more
complete
- Three shared with netdev pull requests from Mellanox:
* 7 patches, mostly to net with 1 IB related one at the back).
This series addresses an IRQ performance issue (patch 1),
cleanups related to the fix for the IRQ performance problem
(patches 2-6), and then extends the fragmented completion queue
support that already exists in the net side of the driver to the
ib side of the driver (patch 7).
* Mostly IB, with 5 patches to net that are needed to support the
remaining 10 patches to the IB subsystem. This series extends
the current 'representor' framework when the mlx5 driver is in
switchdev mode from being a netdev only construct to being a
netdev/IB dev construct. The IB dev is limited to raw Eth queue
pairs only, but by having an IB dev of this type attached to the
representor for a switchdev port, it enables DPDK to work on the
switchdev device.
* All net related, but needed as infrastructure for the rdma
driver
- Updates for the hns, i40iw, bnxt_re, cxgb3, cxgb4, hns drivers
- SRP performance updates
- IB uverbs write path cleanup patch series from Leon
- Add RDMA_CM support to ib_srpt. This is disabled by default. Users
need to set the port for ib_srpt to listen on in configfs in order
for it to be enabled
(/sys/kernel/config/target/srpt/discovery_auth/rdma_cm_port)
- TSO and Scatter FCS support in mlx4
- Refactor of modify_qp routine to resolve problems seen while
working on new code that is forthcoming
- More refactoring and updates of RDMA CM for containers support from
Parav
- mlx5 'fine grained packet pacing', 'ipsec offload' and 'device
memory' user API features
- Infrastructure updates for the new IOCTL interface, based on
increased usage
- ABI compatibility bug fixes to fully support 32 bit userspace on 64
bit kernel as was originally intended. See the commit messages for
extensive details
- Syzkaller bugs and code cleanups motivated by them"
* tag 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (199 commits)
IB/rxe: Fix for oops in rxe_register_device on ppc64le arch
IB/mlx5: Device memory mr registration support
net/mlx5: Mkey creation command adjustments
IB/mlx5: Device memory support in mlx5_ib
net/mlx5: Query device memory capabilities
IB/uverbs: Add device memory registration ioctl support
IB/uverbs: Add alloc/free dm uverbs ioctl support
IB/uverbs: Add device memory capabilities reporting
IB/uverbs: Expose device memory capabilities to user
RDMA/qedr: Fix wmb usage in qedr
IB/rxe: Removed GID add/del dummy routines
RDMA/qedr: Zero stack memory before copying to user space
IB/mlx5: Add ability to hash by IPSEC_SPI when creating a TIR
IB/mlx5: Add information for querying IPsec capabilities
IB/mlx5: Add IPsec support for egress and ingress
{net,IB}/mlx5: Add ipsec helper
IB/mlx5: Add modify_flow_action_esp verb
IB/mlx5: Add implementation for create and destroy action_xfrm
IB/uverbs: Introduce ESP steering match filter
IB/uverbs: Add modify ESP flow_action
...
175 files changed, 6672 insertions, 2915 deletions
@@ -102,6 +102,8 @@ Koushik <raghavendra.koushik@neterion.com> Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski@samsung.com> Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com> Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> +Leon Romanovsky <leon@kernel.org> <leon@leon.nu> +Leon Romanovsky <leon@kernel.org> <leonro@mellanox.com> Leonid I Ananiev <leonid.i.ananiev@intel.com> Linas Vepstas <linas@austin.ibm.com> Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de> diff --git a/MAINTAINERS b/MAINTAINERS index f1be26eb7e80..0407846a9682 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7214,6 +7214,7 @@ M: Shiraz Saleem <shiraz.saleem@intel.com> L: linux-rdma@vger.kernel.org S: Supported F: drivers/infiniband/hw/i40iw/ +F: include/uapi/rdma/i40iw-abi.h INTEL SHA MULTIBUFFER DRIVER M: Megha Dey <megha.dey@linux.intel.com> diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 8517d6ea91a6..ee270e065ba9 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -35,14 +35,13 @@ config INFINIBAND_USER_ACCESS libibverbs, libibcm and a hardware driver library from rdma-core <https://github.com/linux-rdma/rdma-core>. -config INFINIBAND_EXP_USER_ACCESS - bool "Enable the full uverbs ioctl interface (EXPERIMENTAL)" +config INFINIBAND_EXP_LEGACY_VERBS_NEW_UAPI + bool "Allow experimental legacy verbs in new ioctl uAPI (EXPERIMENTAL)" depends on INFINIBAND_USER_ACCESS ---help--- - IOCTL based ABI support for Infiniband. This allows userspace - to invoke the experimental IOCTL based ABI. - These commands are parsed via per-device parsing tree and - enables per-device features. + IOCTL based uAPI support for Infiniband is enabled by default for + new verbs only. This allows userspace to invoke the IOCTL based uAPI + for current legacy verbs too. config INFINIBAND_USER_MEM bool diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile index f69833db0a32..dda9e856e3fa 100644 --- a/drivers/infiniband/core/Makefile +++ b/drivers/infiniband/core/Makefile @@ -34,4 +34,6 @@ ib_ucm-y := ucm.o ib_uverbs-y := uverbs_main.o uverbs_cmd.o uverbs_marshall.o \ rdma_core.o uverbs_std_types.o uverbs_ioctl.o \ - uverbs_ioctl_merge.o + uverbs_ioctl_merge.o uverbs_std_types_cq.o \ + uverbs_std_types_flow_action.o uverbs_std_types_dm.o \ + uverbs_std_types_mr.o diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index cb1d2ab13c66..88a7542d8c7b 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -329,7 +329,8 @@ static void queue_req(struct addr_req *req) mutex_unlock(&lock); } -static int ib_nl_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr, +static int ib_nl_fetch_ha(const struct dst_entry *dst, + struct rdma_dev_addr *dev_addr, const void *daddr, u32 seq, u16 family) { if (rdma_nl_chk_listeners(RDMA_NL_GROUP_LS)) @@ -340,7 +341,8 @@ static int ib_nl_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr, return ib_nl_ip_send_msg(dev_addr, daddr, seq, family); } -static int dst_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr, +static int dst_fetch_ha(const struct dst_entry *dst, + struct rdma_dev_addr *dev_addr, const void *daddr) { struct neighbour *n; @@ -364,7 +366,7 @@ static int dst_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr, return ret; } -static bool has_gateway(struct dst_entry *dst, sa_family_t family) +static bool has_gateway(const struct dst_entry *dst, sa_family_t family) { struct rtable *rt; struct rt6_info *rt6; @@ -378,7 +380,7 @@ static bool has_gateway(struct dst_entry *dst, sa_family_t family) return rt6->rt6i_flags & RTF_GATEWAY; } -static int fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr, +static int fetch_ha(const struct dst_entry *dst, struct rdma_dev_addr *dev_addr, const struct sockaddr *dst_in, u32 seq) { const struct sockaddr_in *dst_in4 = @@ -482,7 +484,7 @@ static int addr6_resolve(struct sockaddr_in6 *src_in, } #endif -static int addr_resolve_neigh(struct dst_entry *dst, +static int addr_resolve_neigh(const struct dst_entry *dst, const struct sockaddr *dst_in, struct rdma_dev_addr *addr, u32 seq) @@ -736,7 +738,6 @@ int rdma_resolve_ip_route(struct sockaddr *src_addr, return addr_resolve(src_in, dst_addr, addr, false, 0); } -EXPORT_SYMBOL(rdma_resolve_ip_route); void rdma_addr_cancel(struct rdma_dev_addr *addr) { diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index e9a409d7f4e2..e337b08de2ff 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -59,8 +59,6 @@ struct ib_update_work { union ib_gid zgid; EXPORT_SYMBOL(zgid); -static const struct ib_gid_attr zattr; - enum gid_attr_find_mask { GID_ATTR_FIND_MASK_GID = 1UL << 0, GID_ATTR_FIND_MASK_NETDEV = 1UL << 1, @@ -73,15 +71,6 @@ enum gid_table_entry_props { GID_TABLE_ENTRY_DEFAULT = 1UL << 1, }; -enum gid_table_write_action { - GID_TABLE_WRITE_ACTION_ADD, - GID_TABLE_WRITE_ACTION_DEL, - /* MODIFY only updates the GID table. Currently only used by - * ib_cache_update. - */ - GID_TABLE_WRITE_ACTION_MODIFY -}; - struct ib_gid_table_entry { unsigned long props; union ib_gid gid; @@ -100,31 +89,26 @@ struct ib_gid_table { * (a) Find the GID * (b) Delete it. * - * Add/delete should be carried out atomically. - * This is done by locking this mutex from multiple - * writers. We don't need this lock for IB, as the MAD - * layer replaces all entries. All data_vec entries - * are locked by this lock. **/ - struct mutex lock; - /* This lock protects the table entries from being - * read and written simultaneously. + /* Any writer to data_vec must hold this lock and the write side of + * rwlock. readers must hold only rwlock. All writers must be in a + * sleepable context. */ + struct mutex lock; + /* rwlock protects data_vec[ix]->props. */ rwlock_t rwlock; struct ib_gid_table_entry *data_vec; }; static void dispatch_gid_change_event(struct ib_device *ib_dev, u8 port) { - if (rdma_cap_roce_gid_table(ib_dev, port)) { - struct ib_event event; + struct ib_event event; - event.device = ib_dev; - event.element.port_num = port; - event.event = IB_EVENT_GID_CHANGE; + event.device = ib_dev; + event.element.port_num = port; + event.event = IB_EVENT_GID_CHANGE; - ib_dispatch_event(&event); - } + ib_dispatch_event(&event); } static const char * const gid_type_str[] = { @@ -165,94 +149,127 @@ int ib_cache_gid_parse_type_str(const char *buf) } EXPORT_SYMBOL(ib_cache_gid_parse_type_str); -/* This function expects that rwlock will be write locked in all - * scenarios and that lock will be locked in sleep-able (RoCE) - * scenarios. - */ -static int write_gid(struct ib_device *ib_dev, u8 port, - struct ib_gid_table *table, int ix, - const union ib_gid *gid, - const struct ib_gid_attr *attr, - enum gid_table_write_action action, - bool default_gid) - __releases(&table->rwlock) __acquires(&table->rwlock) +static void del_roce_gid(struct ib_device *device, u8 port_num, + struct ib_gid_table *table, int ix) { - int ret = 0; - struct net_device *old_net_dev; - enum ib_gid_type old_gid_type; + pr_debug("%s device=%s port=%d index=%d gid %pI6\n", __func__, + device->name, port_num, ix, + table->data_vec[ix].gid.raw); + + if (rdma_cap_roce_gid_table(device, port_num)) + device->del_gid(&table->data_vec[ix].attr, + &table->data_vec[ix].context); + dev_put(table->data_vec[ix].attr.ndev); +} - /* in rdma_cap_roce_gid_table, this funciton should be protected by a - * sleep-able lock. - */ +static int add_roce_gid(struct ib_gid_table *table, + const union ib_gid *gid, + const struct ib_gid_attr *attr) +{ + struct ib_gid_table_entry *entry; + int ix = attr->index; + int ret = 0; - if (rdma_cap_roce_gid_table(ib_dev, port)) { - table->data_vec[ix].props |= GID_TABLE_ENTRY_INVALID; - write_unlock_irq(&table->rwlock); - /* GID_TABLE_WRITE_ACTION_MODIFY currently isn't supported by - * RoCE providers and thus only updates the cache. - */ - if (action == GID_TABLE_WRITE_ACTION_ADD) - ret = ib_dev->add_gid(ib_dev, port, ix, gid, attr, - &table->data_vec[ix].context); - else if (action == GID_TABLE_WRITE_ACTION_DEL) - ret = ib_dev->del_gid(ib_dev, port, ix, - &table->data_vec[ix].context); - write_lock_irq(&table->rwlock); + if (!attr->ndev) { + pr_err("%s NULL netdev device=%s port=%d index=%d\n", + __func__, attr->device->name, attr->port_num, + attr->index); + return -EINVAL; } - old_net_dev = table->data_vec[ix].attr.ndev; - old_gid_type = table->data_vec[ix].attr.gid_type; - if (old_net_dev && old_net_dev != attr->ndev) - dev_put(old_net_dev); - /* if modify_gid failed, just delete the old gid */ - if (ret || action == GID_TABLE_WRITE_ACTION_DEL) { - gid = &zgid; - attr = &zattr; - table->data_vec[ix].context = NULL; + entry = &table->data_vec[ix]; + if ((entry->props & GID_TABLE_ENTRY_INVALID) == 0) { + WARN(1, "GID table corruption device=%s port=%d index=%d\n", + attr->device->name, attr->port_num, + attr->index); + return -EINVAL; } - memcpy(&table->data_vec[ix].gid, gid, sizeof(*gid)); - memcpy(&table->data_vec[ix].attr, attr, sizeof(*attr)); - if (default_gid) { - table->data_vec[ix].props |= GID_TABLE_ENTRY_DEFAULT; - if (action == GID_TABLE_WRITE_ACTION_DEL) - table->data_vec[ix].attr.gid_type = old_gid_type; + if (rdma_cap_roce_gid_table(attr->device, attr->port_num)) { + ret = attr->device->add_gid(gid, attr, &entry->context); + if (ret) { + pr_err("%s GID add failed device=%s port=%d index=%d\n", + __func__, attr->device->name, attr->port_num, + attr->index); + goto add_err; + } } - if (table->data_vec[ix].attr.ndev && - table->data_vec[ix].attr.ndev != old_net_dev) - dev_hold(table->data_vec[ix].attr.ndev); - - table->data_vec[ix].props &= ~GID_TABLE_ENTRY_INVALID; + dev_hold(attr->ndev); +add_err: + if (!ret) + pr_debug("%s device=%s port=%d index=%d gid %pI6\n", __func__, + attr->device->name, attr->port_num, ix, gid->raw); return ret; } -static int add_gid(struct ib_device *ib_dev, u8 port, - struct ib_gid_table *table, int ix, - const union ib_gid *gid, - const struct ib_gid_attr *attr, - bool default_gid) { - return write_gid(ib_dev, port, table, ix, gid, attr, - GID_TABLE_WRITE_ACTION_ADD, default_gid); -} +/** + * add_modify_gid - Add or modify GID table entry + * + * @table: GID table in which GID to be added or modified + * @gid: GID content + * @attr: Attributes of the GID + * + * Returns 0 on success or appropriate error code. It accepts zero + * GID addition for non RoCE ports for HCA's who report them as valid + * GID. However such zero GIDs are not added to the cache. + */ +static int add_modify_gid(struct ib_gid_table *table, + const union ib_gid *gid, + const struct ib_gid_attr *attr) +{ + int ret; + + if (rdma_protocol_roce(attr->device, attr->port_num)) { + ret = add_roce_gid(table, gid, attr); + if (ret) + return ret; + } else { + /* + * Some HCA's report multiple GID entries with only one + * valid GID, but remaining as zero GID. + * So ignore such behavior for IB link layer and don't + * fail the call, but don't add such entry to GID cache. + */ + if (!memcmp(gid, &zgid, sizeof(*gid))) + return 0; + } + + lockdep_assert_held(&table->lock); + memcpy(&table->data_vec[attr->index].gid, gid, sizeof(*gid)); + memcpy(&table->data_vec[attr->index].attr, attr, sizeof(*attr)); -static int modify_gid(struct ib_device *ib_dev, u8 port, - struct ib_gid_table *table, int ix, - const union ib_gid *gid, - const struct ib_gid_attr *attr, - bool default_gid) { - return write_gid(ib_dev, port, table, ix, gid, attr, - GID_TABLE_WRITE_ACTION_MODIFY, default_gid); + write_lock_irq(&table->rwlock); + table->data_vec[attr->index].props &= ~GID_TABLE_ENTRY_INVALID; + write_unlock_irq(&table->rwlock); + return 0; } -static int del_gid(struct ib_device *ib_dev, u8 port, - struct ib_gid_table *table, int ix, - bool default_gid) { - return write_gid(ib_dev, port, table, ix, &zgid, &zattr, - GID_TABLE_WRITE_ACTION_DEL, default_gid); +/** + * del_gid - Delete GID table entry + * + * @ib_dev: IB device whose GID entry to be deleted + * @port: Port number of the IB device + * @table: GID table of the IB device for a port + * @ix: GID entry index to delete + * + */ +static void del_gid(struct ib_device *ib_dev, u8 port, + struct ib_gid_table *table, int ix) +{ + lockdep_assert_held(&table->lock); + write_lock_irq(&table->rwlock); + table->data_vec[ix].props |= GID_TABLE_ENTRY_INVALID; + write_unlock_irq(&table->rwlock); + + if (rdma_protocol_roce(ib_dev, port)) + del_roce_gid(ib_dev, port, table, ix); + memcpy(&table->data_vec[ix].gid, &zgid, sizeof(zgid)); + memset(&table->data_vec[ix].attr, 0, sizeof(table->data_vec[ix].attr)); + table->data_vec[ix].context = NULL; } -/* rwlock should be read locked */ +/* rwlock should be read locked, or lock should be held */ static int find_gid(struct ib_gid_table *table, const union ib_gid *gid, const struct ib_gid_attr *val, bool default_gid, unsigned long mask, int *pempty) @@ -268,15 +285,32 @@ static int find_gid(struct ib_gid_table *table, const union ib_gid *gid, i++; + /* find_gid() is used during GID addition where it is expected + * to return a free entry slot which is not duplicate. + * Free entry slot is requested and returned if pempty is set, + * so lookup free slot only if requested. + */ + if (pempty && empty < 0) { + if (data->props & GID_TABLE_ENTRY_INVALID) { + /* Found an invalid (free) entry; allocate it */ + if (data->props & GID_TABLE_ENTRY_DEFAULT) { + if (default_gid) + empty = curr_index; + } else { + empty = curr_index; + } + } + } + + /* + * Additionally find_gid() is used to find valid entry during + * lookup operation, where validity needs to be checked. So + * find the empty entry first to continue to search for a free + * slot and ignore its INVALID flag. + */ if (data->props & GID_TABLE_ENTRY_INVALID) continue; - if (empty < 0) - if (!memcmp(&data->gid, &zgid, sizeof(*gid)) && - !memcmp(attr, &zattr, sizeof(*attr)) && - !data->props) - empty = curr_index; - if (found >= 0) continue; @@ -312,20 +346,56 @@ static void make_default_gid(struct net_device *dev, union ib_gid *gid) addrconf_ifid_eui48(&gid->raw[8], dev); } -int ib_cache_gid_add(struct ib_device *ib_dev, u8 port, - union ib_gid *gid, struct ib_gid_attr *attr) +static int __ib_cache_gid_add(struct ib_device *ib_dev, u8 port, + union ib_gid *gid, struct ib_gid_attr *attr, + unsigned long mask, bool default_gid) { struct ib_gid_table *table; - int ix; int ret = 0; - struct net_device *idev; int empty; + int ix; - table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid; - + /* Do not allow adding zero GID in support of + * IB spec version 1.3 section 4.1.1 point (6) and + * section 12.7.10 and section 12.7.20 + */ if (!memcmp(gid, &zgid, sizeof(*gid))) return -EINVAL; + table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid; + + mutex_lock(&table->lock); + + ix = find_gid(table, gid, attr, default_gid, mask, &empty); + if (ix >= 0) + goto out_unlock; + + if (empty < 0) { + ret = -ENOSPC; + goto out_unlock; + } + attr->device = ib_dev; + attr->index = empty; + attr->port_num = port; + ret = add_modify_gid(table, gid, attr); + if (!ret) + dispatch_gid_change_event(ib_dev, port); + +out_unlock: + mutex_unlock(&table->lock); + if (ret) + pr_warn("%s: unable to add gid %pI6 error=%d\n", + __func__, gid->raw, ret); + return ret; +} + +int ib_cache_gid_add(struct ib_device *ib_dev, u8 port, + union ib_gid *gid, struct ib_gid_attr *attr) +{ + struct net_device *idev; + unsigned long mask; + int ret; + if (ib_dev->get_netdev) { idev = ib_dev->get_netdev(ib_dev, port); if (idev && attr->ndev != idev) { @@ -342,27 +412,11 @@ int ib_cache_gid_add(struct ib_device *ib_dev, u8 port, dev_put(idev); } - mutex_lock(&table->lock); - write_lock_irq(&table->rwlock); - - ix = find_gid(table, gid, attr, false, GID_ATTR_FIND_MASK_GID | - GID_ATTR_FIND_MASK_GID_TYPE | - GID_ATTR_FIND_MASK_NETDEV, &empty); - if (ix >= 0) - goto out_unlock; - - if (empty < 0) { - ret = -ENOSPC; - goto out_unlock; - } - - ret = add_gid(ib_dev, port, table, empty, gid, attr, false); - if (!ret) - dispatch_gid_change_event(ib_dev, port); + mask = GID_ATTR_FIND_MASK_GID | + GID_ATTR_FIND_MASK_GID_TYPE | + GID_ATTR_FIND_MASK_NETDEV; -out_unlock: - write_unlock_irq(&table->rwlock); - mutex_unlock(&table->lock); + ret = __ib_cache_gid_add(ib_dev, port, gid, attr, mask, false); return ret; } @@ -370,29 +424,32 @@ int ib_cache_gid_del(struct ib_device *ib_dev, u8 port, union ib_gid *gid, struct ib_gid_attr *attr) { struct ib_gid_table *table; + int ret = 0; int ix; table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid; mutex_lock(&table->lock); - write_lock_irq(&table->rwlock); ix = find_gid(table, gid, attr, false, GID_ATTR_FIND_MASK_GID | GID_ATTR_FIND_MASK_GID_TYPE | - GID_ATTR_FIND_MASK_NETDEV | - GID_ATTR_FIND_MASK_DEFAULT, + GID_ATTR_FIND_MASK_NETDEV, NULL); - if (ix < 0) + if (ix < 0) { + ret = -EINVAL; goto out_unlock; + } - if (!del_gid(ib_dev, port, table, ix, false)) - dispatch_gid_change_event(ib_dev, port); + del_gid(ib_dev, port, table, ix); + dispatch_gid_change_event(ib_dev, port); out_unlock: - write_unlock_irq(&table->rwlock); mutex_unlock(&table->lock); - return 0; + if (ret) + pr_debug("%s: can't delete gid %pI6 error=%d\n", + __func__, gid->raw, ret); + return ret; } int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port, @@ -405,16 +462,14 @@ int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port, table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid; mutex_lock(&table->lock); - write_lock_irq(&table->rwlock); - for (ix = 0; ix < table->sz; ix++) - if (table->data_vec[ix].attr.ndev == ndev) - if (!del_gid(ib_dev, port, table, ix, - !!(table->data_vec[ix].props & - GID_TABLE_ENTRY_DEFAULT))) - deleted = true; + for (ix = 0; ix < table->sz; ix++) { + if (table->data_vec[ix].attr.ndev == ndev) { + del_gid(ib_dev, port, table, ix); + deleted = true; + } + } - write_unlock_irq(&table->rwlock); mutex_unlock(&table->lock); if (deleted) @@ -492,6 +547,19 @@ static int ib_cache_gid_find(struct ib_device *ib_dev, mask, port, index); } +/** + * ib_find_cached_gid_by_port - Returns the GID table index where a specified + * GID value occurs. It searches for the specified GID value in the local + * software cache. + * @device: The device to query. + * @gid: The GID value to search for. + * @gid_type: The GID type to search for. + * @port_num: The port number of the device where the GID value should be + * searched. + * @ndev: In RoCE, the net device of the device. Null means ignore. + * @index: The index into the cached GID table where the GID was found. This + * parameter may be NULL. + */ int ib_find_cached_gid_by_port(struct ib_device *ib_dev, const union ib_gid *gid, enum ib_gid_type gid_type, @@ -528,7 +596,7 @@ int ib_find_cached_gid_by_port(struct ib_device *ib_dev, EXPORT_SYMBOL(ib_find_cached_gid_by_port); /** - * ib_find_gid_by_filter - Returns the GID table index where a specified + * ib_cache_gid_find_by_filter - Returns the GID table index where a specified * GID value occurs * @device: The device to query. * @gid: The GID value to search for. @@ -539,7 +607,7 @@ EXPORT_SYMBOL(ib_find_cached_gid_by_port); * otherwise, we continue searching the GID table. It's guaranteed that * while filter is executed, ndev field is valid and the structure won't * change. filter is executed in an atomic context. filter must not be NULL. - * @index: The index into the cached GID table where the GID was found. This + * @index: The index into the cached GID table where the GID was found. This * parameter may be NULL. * * ib_cache_gid_find_by_filter() searches for the specified GID value @@ -598,6 +666,7 @@ static struct ib_gid_table *alloc_gid_table(int sz) { struct ib_gid_table *table = kzalloc(sizeof(struct ib_gid_table), GFP_KERNEL); + int i; if (!table) return NULL; @@ -611,6 +680,11 @@ static struct ib_gid_table *alloc_gid_table(int sz) table->sz = sz; rwlock_init(&table->rwlock); + /* Mark all entries as invalid so that allocator can allocate + * one of the invalid (free) entry. + */ + for (i = 0; i < sz; i++) + table->data_vec[i].props |= GID_TABLE_ENTRY_INVALID; return table; err_free_table: @@ -635,16 +709,15 @@ static void cleanup_gid_table_port(struct ib_device *ib_dev, u8 port, if (!table) return; - write_lock_irq(&table->rwlock); + mutex_lock(&table->lock); for (i = 0; i < table->sz; ++i) { if (memcmp(&table->data_vec[i].gid, &zgid, - sizeof(table->data_vec[i].gid))) - if (!del_gid(ib_dev, port, table, i, - table->data_vec[i].props & - GID_ATTR_FIND_MASK_DEFAULT)) - deleted = true; + sizeof(table->data_vec[i].gid))) { + del_gid(ib_dev, port, table, i); + deleted = true; + } } - write_unlock_irq(&table->rwlock); + mutex_unlock(&table->lock); if (deleted) dispatch_gid_change_event(ib_dev, port); @@ -657,9 +730,9 @@ void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port, { union ib_gid gid; struct ib_gid_attr gid_attr; - struct ib_gid_attr zattr_type = zattr; struct ib_gid_table *table; unsigned int gid_type; + unsigned long mask; table = ib_dev->cache.ports[port - rdma_start_port(ib_dev)].gid; @@ -668,60 +741,19 @@ void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port, gid_attr.ndev = ndev; for (gid_type = 0; gid_type < IB_GID_TYPE_SIZE; ++gid_type) { - int ix; - union ib_gid current_gid; - struct ib_gid_attr current_gid_attr = {}; - if (1UL << gid_type & ~gid_type_mask) continue; gid_attr.gid_type = gid_type; - mutex_lock(&table->lock); - write_lock_irq(&table->rwlock); - ix = find_gid(table, NULL, &gid_attr, true, - GID_ATTR_FIND_MASK_GID_TYPE | - GID_ATTR_FIND_MASK_DEFAULT, - NULL); - - /* Coudn't find default GID location */ - if (WARN_ON(ix < 0)) - goto release; - - zattr_type.gid_type = gid_type; - - if (!__ib_cache_gid_get(ib_dev, port, ix, - ¤t_gid, ¤t_gid_attr) && - mode == IB_CACHE_GID_DEFAULT_MODE_SET && - !memcmp(&gid, ¤t_gid, sizeof(gid)) && - !memcmp(&gid_attr, ¤t_gid_attr, sizeof(gid_attr))) - goto release; - - if (memcmp(¤t_gid, &zgid, sizeof(current_gid)) || - memcmp(¤t_gid_attr, &zattr_type, - sizeof(current_gid_attr))) { - if (del_gid(ib_dev, port, table, ix, true)) { - pr_warn("ib_cache_gid: can't delete index %d for default gid %pI6\n", - ix, gid.raw); - goto release; - } else { - dispatch_gid_change_event(ib_dev, port); - } - } - if (mode == IB_CACHE_GID_DEFAULT_MODE_SET) { - if (add_gid(ib_dev, port, table, ix, &gid, &gid_attr, true)) - pr_warn("ib_cache_gid: unable to add default gid %pI6\n", - gid.raw); - else - dispatch_gid_change_event(ib_dev, port); + mask = GID_ATTR_FIND_MASK_GID_TYPE | + GID_ATTR_FIND_MASK_DEFAULT; + __ib_cache_gid_add(ib_dev, port, &gid, + &gid_attr, mask, true); + } else if (mode == IB_CACHE_GID_DEFAULT_MODE_DELETE) { + ib_cache_gid_del(ib_dev, port, &gid, &gid_attr); } - -release: - if (current_gid_attr.ndev) - dev_put(current_gid_attr.ndev); - write_unlock_irq(&table->rwlock); - mutex_unlock(&table->lock); } } @@ -848,6 +880,20 @@ int ib_get_cached_gid(struct ib_device *device, } EXPORT_SYMBOL(ib_get_cached_gid); +/** + * ib_find_cached_gid - Returns the port number and GID table index where + * a specified GID value occurs. + * @device: The device to query. + * @gid: The GID value to search for. + * @gid_type: The GID type to search for. + * @ndev: In RoCE, the net device of the device. NULL means ignore. + * @port_num: The port number of the device where the GID value was found. + * @index: The index into the cached GID table where the GID was found. This + * parameter may be NULL. + * + * ib_find_cached_gid() searches for the specified GID value in + * the local software cache. + */ int ib_find_cached_gid(struct ib_device *device, const union ib_gid *gid, enum ib_gid_type gid_type, @@ -868,7 +914,7 @@ int ib_find_gid_by_filter(struct ib_device *device, void *context, u16 *index) { /* Only RoCE GID table supports filter function */ - if (!rdma_cap_roce_gid_table(device, port_num) && filter) + if (!rdma_protocol_roce(device, port_num) && filter) return -EPROTONOSUPPORT; return ib_cache_gid_find_by_filter(device, gid, @@ -910,8 +956,7 @@ int ib_get_cached_subnet_prefix(struct ib_device *device, unsigned long flags; int p; - if (port_num < rdma_start_port(device) || - port_num > rdma_end_port(device)) + if (!rdma_is_port_valid(device, port_num)) return -EINVAL; p = port_num - rdma_start_port(device); @@ -1021,7 +1066,7 @@ int ib_get_cached_port_state(struct ib_device *device, unsigned long flags; int ret = 0; - if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device)) + if (!rdma_is_port_valid(device, port_num)) return -EINVAL; read_lock_irqsave(&device->cache.lock, flags); @@ -1033,21 +1078,46 @@ int ib_get_cached_port_state(struct ib_device *device, } EXPORT_SYMBOL(ib_get_cached_port_state); +static int config_non_roce_gid_cache(struct ib_device *device, + u8 port, int gid_tbl_len) +{ + struct ib_gid_attr gid_attr = {}; + struct ib_gid_table *table; + union ib_gid gid; + int ret = 0; + int i; + + gid_attr.device = device; + gid_attr.port_num = port; + table = device->cache.ports[port - rdma_start_port(device)].gid; + + mutex_lock(&table->lock); + for (i = 0; i < gid_tbl_len; ++i) { + if (!device->query_gid) + continue; + ret = device->query_gid(device, port, i, &gid); + if (ret) { + pr_warn("query_gid failed (%d) for %s (index %d)\n", + ret, device->name, i); + goto err; + } + gid_attr.index = i; + add_modify_gid(table, &gid, &gid_attr); + } +err: + mutex_unlock(&table->lock); + return ret; +} + static void ib_cache_update(struct ib_device *device, u8 port, bool enforce_security) { struct ib_port_attr *tprops = NULL; struct ib_pkey_cache *pkey_cache = NULL, *old_pkey_cache; - struct ib_gid_cache { - int table_len; - union ib_gid table[0]; - } *gid_cache = NULL; int i; int ret; struct ib_gid_table *table; - bool use_roce_gid_table = - rdma_cap_roce_gid_table(device, port); if (!rdma_is_port_valid(device, port)) return; @@ -1065,6 +1135,13 @@ static void ib_cache_update(struct ib_device *device, goto err; } + if (!rdma_protocol_roce(device, port)) { + ret = config_non_roce_gid_cache(device, port, + tprops->gid_tbl_len); + if (ret) + goto err; + } + pkey_cache = kmalloc(sizeof *pkey_cache + tprops->pkey_tbl_len * sizeof *pkey_cache->table, GFP_KERNEL); if (!pkey_cache) @@ -1072,15 +1149,6 @@ static void ib_cache_update(struct ib_device *device, pkey_cache->table_len = tprops->pkey_tbl_len; - if (!use_roce_gid_table) { - gid_cache = kmalloc(sizeof(*gid_cache) + tprops->gid_tbl_len * - sizeof(*gid_cache->table), GFP_KERNEL); - if (!gid_cache) - goto err; - - gid_cache->table_len = tprops->gid_tbl_len; - } - for (i = 0; i < pkey_cache->table_len; ++i) { ret = ib_query_pkey(device, port, i, pkey_cache->table + i); if (ret) { @@ -1090,33 +1158,12 @@ static void ib_cache_update(struct ib_device *device, } } - if (!use_roce_gid_table) { - for (i = 0; i < gid_cache->table_len; ++i) { - ret = ib_query_gid(device, port, i, - gid_cache->table + i, NULL); - if (ret) { - pr_warn("ib_query_gid failed (%d) for %s (index %d)\n", - ret, device->name, i); - goto err; - } - } - } - write_lock_irq(&device->cache.lock); old_pkey_cache = device->cache.ports[port - rdma_start_port(device)].pkey; device->cache.ports[port - rdma_start_port(device)].pkey = pkey_cache; - if (!use_roce_gid_table) { - write_lock(&table->rwlock); - for (i = 0; i < gid_cache->table_len; i++) { - modify_gid(device, port, table, i, gid_cache->table + i, - &zattr, false); - } - write_unlock(&table->rwlock); - } - device->cache.ports[port - rdma_start_port(device)].lmc = tprops->lmc; device->cache.ports[port - rdma_start_port(device)].port_state = tprops->state; @@ -1130,14 +1177,12 @@ static void ib_cache_update(struct ib_device *device, port, tprops->subnet_prefix); - kfree(gid_cache); kfree(old_pkey_cache); kfree(tprops); return; err: kfree(pkey_cache); - kfree(gid_cache); kfree(tprops); } diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index e6749157fd86..a92e1a5c202b 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -462,13 +462,31 @@ static int cm_init_av_for_response(struct cm_port *port, struct ib_wc *wc, grh, &av->ah_attr); } -static int cm_init_av_by_path(struct sa_path_rec *path, struct cm_av *av, - struct cm_id_private *cm_id_priv) +static int add_cm_id_to_port_list(struct cm_id_private *cm_id_priv, + struct cm_av *av, + struct cm_port *port) +{ + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&cm.lock, flags); + + if (&cm_id_priv->av == av) + list_add_tail(&cm_id_priv->prim_list, &port->cm_priv_prim_list); + else if (&cm_id_priv->alt_av == av) + list_add_tail(&cm_id_priv->altr_list, &port->cm_priv_altr_list); + else + ret = -EINVAL; + + spin_unlock_irqrestore(&cm.lock, flags); + return ret; +} + +static struct cm_port *get_cm_port_from_path(struct sa_path_rec *path) { struct cm_device *cm_dev; struct cm_port *port = NULL; unsigned long flags; - int ret; u8 p; struct net_device *ndev = ib_get_ndev_from_path(path); @@ -477,7 +495,7 @@ static int cm_init_av_by_path(struct sa_path_rec *path, struct cm_av *av, if (!ib_find_cached_gid(cm_dev->ib_device, &path->sgid, sa_conv_pathrec_to_gid_type(path), ndev, &p, NULL)) { - port = cm_dev->port[p-1]; + port = cm_dev->port[p - 1]; break; } } @@ -485,9 +503,20 @@ static int cm_init_av_by_path(struct sa_path_rec *path, struct cm_av *av, if (ndev) dev_put(ndev); + return port; +} +static int cm_init_av_by_path(struct sa_path_rec *path, struct cm_av *av, + struct cm_id_private *cm_id_priv) +{ + struct cm_device *cm_dev; + struct cm_port *port; + int ret; + + port = get_cm_port_from_path(path); if (!port) return -EINVAL; + cm_dev = port->cm_dev; ret = ib_find_cached_pkey(cm_dev->ib_device, port->port_num, be16_to_cpu(path->pkey), &av->pkey_index); @@ -502,16 +531,7 @@ static int cm_init_av_by_path(struct sa_path_rec *path, struct cm_av *av, av->timeout = path->packet_life_time + 1; - spin_lock_irqsave(&cm.lock, flags); - if (&cm_id_priv->av == av) - list_add_tail(&cm_id_priv->prim_list, &port->cm_priv_prim_list); - else if (&cm_id_priv->alt_av == av) - list_add_tail(&cm_id_priv->altr_list, &port->cm_priv_altr_list); - else - ret = -EINVAL; - - spin_unlock_irqrestore(&cm.lock, flags); - + ret = add_cm_id_to_port_list(cm_id_priv, av, port); return ret; } @@ -1523,6 +1543,8 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg, cm_req_get_primary_local_ack_timeout(req_msg); primary_path->packet_life_time -= (primary_path->packet_life_time > 0); primary_path->service_id = req_msg->service_id; + if (sa_path_is_roce(primary_path)) + primary_path->roce.route_resolved = false; if (cm_req_has_alt_path(req_msg)) { alt_path->dgid = req_msg->alt_local_gid; @@ -1542,6 +1564,9 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg, cm_req_get_alt_local_ack_timeout(req_msg); alt_path->packet_life_time -= (alt_path->packet_life_time > 0); alt_path->service_id = req_msg->service_id; + + if (sa_path_is_roce(alt_path)) + alt_path->roce.route_resolved = false; } cm_format_path_lid_from_req(req_msg, primary_path, alt_path); } @@ -3150,6 +3175,13 @@ static int cm_lap_handler(struct cm_work *work) struct ib_mad_send_buf *msg = NULL; int ret; + /* Currently Alternate path messages are not supported for + * RoCE link layer. + */ + if (rdma_protocol_roce(work->port->cm_dev->ib_device, + work->port->port_num)) + return -EINVAL; + /* todo: verify LAP request and send reject APR if invalid. */ lap_msg = (struct cm_lap_msg *)work->mad_recv_wc->recv_buf.mad; cm_id_priv = cm_acquire_id(lap_msg->remote_comm_id, @@ -3299,6 +3331,13 @@ static int cm_apr_handler(struct cm_work *work) struct cm_apr_msg *apr_msg; int ret; + /* Currently Alternate path messages are not supported for + * RoCE link layer. + */ + if (rdma_protocol_roce(work->port->cm_dev->ib_device, + work->port->port_num)) + return -EINVAL; + apr_msg = (struct cm_apr_msg *)work->mad_recv_wc->recv_buf.mad; cm_id_priv = cm_acquire_id(apr_msg->remote_comm_id, apr_msg->local_comm_id); diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 6ab1059fed66..51a641002e10 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -62,6 +62,7 @@ #include <rdma/iw_cm.h> #include "core_priv.h" +#include "cma_priv.h" MODULE_AUTHOR("Sean Hefty"); MODULE_DESCRIPTION("Generic RDMA CM Agent"); @@ -174,7 +175,7 @@ static struct cma_pernet *cma_pernet(struct net *net) return net_generic(net, cma_pernet_id); } -static struct idr *cma_pernet_idr(struct net *net, enum rdma_port_space ps) +static struct idr *cma_pernet_idr(struct net *net, enum rdma_ucm_port_space ps) { struct cma_pernet *pernet = cma_pernet(net); @@ -203,7 +204,7 @@ struct cma_device { }; struct rdma_bind_list { - enum rdma_port_space ps; + enum rdma_ucm_port_space ps; struct hlist_head owners; unsigned short port; }; @@ -216,7 +217,7 @@ struct class_port_info_context { u8 port_num; }; -static int cma_ps_alloc(struct net *net, enum rdma_port_space ps, +static int cma_ps_alloc(struct net *net, enum rdma_ucm_port_space ps, struct rdma_bind_list *bind_list, int snum) { struct idr *idr = cma_pernet_idr(net, ps); @@ -225,14 +226,15 @@ static int cma_ps_alloc(struct net *net, enum rdma_port_space ps, } static struct rdma_bind_list *cma_ps_find(struct net *net, - enum rdma_port_space ps, int snum) + enum rdma_ucm_port_space ps, int snum) { struct idr *idr = cma_pernet_idr(net, ps); return idr_find(idr, snum); } -static void cma_ps_remove(struct net *net, enum rdma_port_space ps, int snum) +static void cma_ps_remove(struct net *net, enum rdma_ucm_port_space ps, + int snum) { struct idr *idr = cma_pernet_idr(net, ps); @@ -327,46 +329,6 @@ struct ib_device *cma_get_ib_dev(struct cma_device *cma_dev) * We do this by disabling removal notification while a callback is in process, * and reporting it after the callback completes. */ -struct rdma_id_private { - struct rdma_cm_id id; - - struct rdma_bind_list *bind_list; - struct hlist_node node; - struct list_head list; /* listen_any_list or cma_device.list */ - struct list_head listen_list; /* per device listens */ - struct cma_device *cma_dev; - struct list_head mc_list; - - int internal_id; - enum rdma_cm_state state; - spinlock_t lock; - struct mutex qp_mutex; - - struct completion comp; - atomic_t refcount; - struct mutex handler_mutex; - - int backlog; - int timeout_ms; - struct ib_sa_query *query; - int query_id; - union { - struct ib_cm_id *ib; - struct iw_cm_id *iw; - } cm_id; - - u32 seq_num; - u32 qkey; - u32 qp_num; - pid_t owner; - u32 options; - u8 srq; - u8 tos; - bool tos_set; - u8 reuseaddr; - u8 afonly; - enum ib_gid_type gid_type; -}; struct cma_multicast { struct rdma_id_private *id_priv; @@ -505,6 +467,8 @@ static void _cma_attach_to_dev(struct rdma_id_private *id_priv, id_priv->id.route.addr.dev_addr.transport = rdma_node_get_transport(cma_dev->device->node_type); list_add_tail(&id_priv->list, &cma_dev->id_list); + id_priv->res.type = RDMA_RESTRACK_CM_ID; + rdma_restrack_add(&id_priv->res); } static void cma_attach_to_dev(struct rdma_id_private *id_priv, @@ -777,10 +741,10 @@ static void cma_deref_id(struct rdma_id_private *id_priv) complete(&id_priv->comp); } -struct rdma_cm_id *rdma_create_id(struct net *net, - rdma_cm_event_handler event_handler, - void *context, enum rdma_port_space ps, - enum ib_qp_type qp_type) +struct rdma_cm_id *__rdma_create_id(struct net *net, + rdma_cm_event_handler event_handler, + void *context, enum rdma_ucm_port_space ps, + enum ib_qp_type qp_type, const char *caller) { struct rdma_id_private *id_priv; @@ -788,7 +752,10 @@ struct rdma_cm_id *rdma_create_id(struct net *net, if (!id_priv) return ERR_PTR(-ENOMEM); - id_priv->owner = task_pid_nr(current); + if (caller) + id_priv->res.kern_name = caller; + else + rdma_restrack_set_task(&id_priv->res, current); id_priv->state = RDMA_CM_IDLE; id_priv->id.context = context; id_priv->id.event_handler = event_handler; @@ -808,7 +775,7 @@ struct rdma_cm_id *rdma_create_id(struct net *net, return &id_priv->id; } -EXPORT_SYMBOL(rdma_create_id); +EXPORT_SYMBOL(__rdma_create_id); static int cma_init_ud_qp(struct rdma_id_private *id_priv, struct ib_qp *qp) { @@ -1400,7 +1367,7 @@ static struct net_device *cma_get_net_dev(struct ib_cm_event *ib_event, return net_dev; } -static enum rdma_port_space rdma_ps_from_service_id(__be64 service_id) +static enum rdma_ucm_port_space rdma_ps_from_service_id(__be64 service_id) { return (be64_to_cpu(service_id) >> 16) & 0xffff; } @@ -1441,21 +1408,12 @@ static bool cma_match_private_data(struct rdma_id_private *id_priv, return true; } -static bool cma_protocol_roce_dev_port(struct ib_device *device, int port_num) -{ - enum rdma_link_layer ll = rdma_port_get_link_layer(device, port_num); - enum rdma_transport_type transport = - rdma_node_get_transport(device->node_type); - - return ll == IB_LINK_LAYER_ETHERNET && transport == RDMA_TRANSPORT_IB; -} - static bool cma_protocol_roce(const struct rdma_cm_id *id) { struct ib_device *device = id->device; const int port_num = id->port_num ?: rdma_start_port(device); - return cma_protocol_roce_dev_port(device, port_num); + return rdma_protocol_roce(device, port_num); } static bool cma_match_net_dev(const struct rdma_cm_id *id, @@ -1468,7 +1426,7 @@ static bool cma_match_net_dev(const struct rdma_cm_id *id, /* This request is an AF_IB request or a RoCE request */ return (!id->port_num || id->port_num == port_num) && (addr->src_addr.ss_family == AF_IB || - cma_protocol_roce_dev_port(id->device, port_num)); + rdma_protocol_roce(id->device, port_num)); return !addr->dev_addr.bound_dev_if || (net_eq(dev_net(net_dev), addr->dev_addr.net) && @@ -1523,7 +1481,7 @@ static struct rdma_id_private *cma_id_from_event(struct ib_cm_id *cm_id, if (PTR_ERR(*net_dev) == -EAFNOSUPPORT) { /* Assuming the protocol is AF_IB */ *net_dev = NULL; - } else if (cma_protocol_roce_dev_port(req.device, req.port)) { + } else if (rdma_protocol_roce(req.device, req.port)) { /* TODO find the net dev matching the request parameters * through the RoCE GID table */ *net_dev = NULL; @@ -1668,6 +1626,7 @@ void rdma_destroy_id(struct rdma_cm_id *id) mutex_unlock(&id_priv->handler_mutex); if (id_priv->cma_dev) { + rdma_restrack_del(&id_priv->res); if (rdma_cap_ib_cm(id_priv->id.device, 1)) { if (id_priv->cm_id.ib) ib_destroy_cm_id(id_priv->cm_id.ib); @@ -1817,6 +1776,7 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, struct ib_cm_event *ib_event, struct net_device *net_dev) { + struct rdma_id_private *listen_id_priv; struct rdma_id_private *id_priv; struct rdma_cm_id *id; struct rdma_route *rt; @@ -1826,9 +1786,11 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, ib_event->param.req_rcvd.primary_path->service_id; int ret; - id = rdma_create_id(listen_id->route.addr.dev_addr.net, + listen_id_priv = container_of(listen_id, struct rdma_id_private, id); + id = __rdma_create_id(listen_id->route.addr.dev_addr.net, listen_id->event_handler, listen_id->context, - listen_id->ps, ib_event->param.req_rcvd.qp_type); + listen_id->ps, ib_event->param.req_rcvd.qp_type, + listen_id_priv->res.kern_name); if (IS_ERR(id)) return NULL; @@ -1877,14 +1839,17 @@ static struct rdma_id_private *cma_new_udp_id(struct rdma_cm_id *listen_id, struct ib_cm_event *ib_event, struct net_device *net_dev) { + struct rdma_id_private *listen_id_priv; struct rdma_id_private *id_priv; struct rdma_cm_id *id; const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family; struct net *net = listen_id->route.addr.dev_addr.net; int ret; - id = rdma_create_id(net, listen_id->event_handler, listen_id->context, - listen_id->ps, IB_QPT_UD); + listen_id_priv = container_of(listen_id, struct rdma_id_private, id); + id = __rdma_create_id(net, listen_id->event_handler, listen_id->context, + listen_id->ps, IB_QPT_UD, + listen_id_priv->res.kern_name); if (IS_ERR(id)) return NULL; @@ -2150,10 +2115,11 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, goto out; /* Create a new RDMA id for the new IW CM ID */ - new_cm_id = rdma_create_id(listen_id->id.route.addr.dev_addr.net, - listen_id->id.event_handler, - listen_id->id.context, - RDMA_PS_TCP, IB_QPT_RC); + new_cm_id = __rdma_create_id(listen_id->id.route.addr.dev_addr.net, + listen_id->id.event_handler, + listen_id->id.context, + RDMA_PS_TCP, IB_QPT_RC, + listen_id->res.kern_name); if (IS_ERR(new_cm_id)) { ret = -ENOMEM; goto out; @@ -2278,8 +2244,8 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv, if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1)) return; - id = rdma_create_id(net, cma_listen_handler, id_priv, id_priv->id.ps, - id_priv->id.qp_type); + id = __rdma_create_id(net, cma_listen_handler, id_priv, id_priv->id.ps, + id_priv->id.qp_type, id_priv->res.kern_name); if (IS_ERR(id)) return; @@ -2541,6 +2507,7 @@ cma_iboe_set_path_rec_l2_fields(struct rdma_id_private *id_priv) gid_type = ib_network_to_gid_type(addr->dev_addr.network); route->path_rec->rec_type = sa_conv_gid_to_pathrec_type(gid_type); + route->path_rec->roce.route_resolved = true; sa_path_set_ndev(route->path_rec, addr->dev_addr.net); sa_path_set_ifindex(route->path_rec, ndev->ifindex); sa_path_set_dmac(route->path_rec, addr->dev_addr.dst_dev_addr); @@ -3028,7 +2995,7 @@ static void cma_bind_port(struct rdma_bind_list *bind_list, hlist_add_head(&id_priv->node, &bind_list->owners); } -static int cma_alloc_port(enum rdma_port_space ps, +static int cma_alloc_port(enum rdma_ucm_port_space ps, struct rdma_id_private *id_priv, unsigned short snum) { struct rdma_bind_list *bind_list; @@ -3091,7 +3058,7 @@ static int cma_port_is_unique(struct rdma_bind_list *bind_list, return 0; } -static int cma_alloc_any_port(enum rdma_port_space ps, +static int cma_alloc_any_port(enum rdma_ucm_port_space ps, struct rdma_id_private *id_priv) { static unsigned int last_used_port; @@ -3169,7 +3136,7 @@ static int cma_check_port(struct rdma_bind_list *bind_list, return 0; } -static int cma_use_port(enum rdma_port_space ps, +static int cma_use_port(enum rdma_ucm_port_space ps, struct rdma_id_private *id_priv) { struct rdma_bind_list *bind_list; @@ -3203,8 +3170,8 @@ static int cma_bind_listen(struct rdma_id_private *id_priv) return ret; } -static enum rdma_port_space cma_select_inet_ps( - struct rdma_id_private *id_priv) +static enum rdma_ucm_port_space +cma_select_inet_ps(struct rdma_id_private *id_priv) { switch (id_priv->id.ps) { case RDMA_PS_TCP: @@ -3218,9 +3185,10 @@ static enum rdma_port_space cma_select_inet_ps( } } -static enum rdma_port_space cma_select_ib_ps(struct rdma_id_private *id_priv) +static enum rdma_ucm_port_space +cma_select_ib_ps(struct rdma_id_private *id_priv) { - enum rdma_port_space ps = 0; + enum rdma_ucm_port_space ps = 0; struct sockaddr_ib *sib; u64 sid_ps, mask, sid; @@ -3251,7 +3219,7 @@ static enum rdma_port_space cma_select_ib_ps(struct rdma_id_private *id_priv) static int cma_get_port(struct rdma_id_private *id_priv) { - enum rdma_port_space ps; + enum rdma_ucm_port_space ps; int ret; if (cma_family(id_priv) != AF_IB) @@ -3389,8 +3357,10 @@ int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) return 0; err2: - if (id_priv->cma_dev) + if (id_priv->cma_dev) { + rdma_restrack_del(&id_priv->res); cma_release_dev(id_priv); + } err1: cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, RDMA_CM_IDLE); return ret; @@ -3773,14 +3743,18 @@ static int cma_send_sidr_rep(struct rdma_id_private *id_priv, return ib_send_cm_sidr_rep(id_priv->cm_id.ib, &rep); } -int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) +int __rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param, + const char *caller) { struct rdma_id_private *id_priv; int ret; id_priv = container_of(id, struct rdma_id_private, id); - id_priv->owner = task_pid_nr(current); + if (caller) + id_priv->res.kern_name = caller; + else + rdma_restrack_set_task(&id_priv->res, current); if (!cma_comp(id_priv, RDMA_CM_CONNECT)) return -EINVAL; @@ -3820,7 +3794,7 @@ reject: rdma_reject(id, NULL, 0); return ret; } -EXPORT_SYMBOL(rdma_accept); +EXPORT_SYMBOL(__rdma_accept); int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event) { @@ -3938,10 +3912,14 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast) rdma_start_port(id_priv->cma_dev->device)]; event.event = RDMA_CM_EVENT_MULTICAST_JOIN; - ib_init_ah_from_mcmember(id_priv->id.device, - id_priv->id.port_num, &multicast->rec, - ndev, gid_type, - &event.param.ud.ah_attr); + ret = ib_init_ah_from_mcmember(id_priv->id.device, + id_priv->id.port_num, + &multicast->rec, + ndev, gid_type, + &event.param.ud.ah_attr); + if (ret) + event.event = RDMA_CM_EVENT_MULTICAST_ERROR; + event.param.ud.qp_num = 0xFFFFFF; event.param.ud.qkey = be32_to_cpu(multicast->rec.qkey); if (ndev) @@ -4501,7 +4479,7 @@ static int cma_get_id_stats(struct sk_buff *skb, struct netlink_callback *cb) RDMA_NL_RDMA_CM_ATTR_DST_ADDR)) goto out; - id_stats->pid = id_priv->owner; + id_stats->pid = task_pid_vnr(id_priv->res.task); id_stats->port_space = id->ps; id_stats->cm_state = id_priv->state; id_stats->qp_num = id_priv->qp_num; diff --git a/drivers/infiniband/core/cma_priv.h b/drivers/infiniband/core/cma_priv.h new file mode 100644 index 000000000000..194cfe78c447 --- /dev/null +++ b/drivers/infiniband/core/cma_priv.h @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2005 Voltaire Inc. All rights reserved. + * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved. + * Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved. + * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _CMA_PRIV_H +#define _CMA_PRIV_H + +enum rdma_cm_state { + RDMA_CM_IDLE, + RDMA_CM_ADDR_QUERY, + RDMA_CM_ADDR_RESOLVED, + RDMA_CM_ROUTE_QUERY, + RDMA_CM_ROUTE_RESOLVED, + RDMA_CM_CONNECT, + RDMA_CM_DISCONNECT, + RDMA_CM_ADDR_BOUND, + RDMA_CM_LISTEN, + RDMA_CM_DEVICE_REMOVAL, + RDMA_CM_DESTROYING +}; + +struct rdma_id_private { + struct rdma_cm_id id; + + struct rdma_bind_list *bind_list; + struct hlist_node node; + struct list_head list; /* listen_any_list or cma_device.list */ + struct list_head listen_list; /* per device listens */ + struct cma_device *cma_dev; + struct list_head mc_list; + + int internal_id; + enum rdma_cm_state state; + spinlock_t lock; + struct mutex qp_mutex; + + struct completion comp; + atomic_t refcount; + struct mutex handler_mutex; + + int backlog; + int timeout_ms; + struct ib_sa_query *query; + int query_id; + union { + struct ib_cm_id *ib; + struct iw_cm_id *iw; + } cm_id; + + u32 seq_num; + u32 qkey; + u32 qp_num; + u32 options; + u8 srq; + u8 tos; + bool tos_set; + u8 reuseaddr; + u8 afonly; + enum ib_gid_type gid_type; + + /* + * Internal to RDMA/core, don't use in the drivers + */ + struct rdma_restrack_entry res; +}; +#endif /* _CMA_PRIV_H */ diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 25bb178f6074..54163a6e4067 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -333,4 +333,15 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, return qp; } + +struct rdma_dev_addr; +int rdma_resolve_ip_route(struct sockaddr *src_addr, + const struct sockaddr *dst_addr, + struct rdma_dev_addr *addr); + +int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid, + const union ib_gid *dgid, + u8 *dmac, const struct net_device *ndev, + int *hoplimit); + #endif /* _CORE_PRIV_H */ diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index b7459cf524e4..ea9fbcfb21bd 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -103,7 +103,6 @@ static int ib_device_check_mandatory(struct ib_device *device) IB_MANDATORY_FUNC(query_device), IB_MANDATORY_FUNC(query_port), IB_MANDATORY_FUNC(query_pkey), - IB_MANDATORY_FUNC(query_gid), IB_MANDATORY_FUNC(alloc_pd), IB_MANDATORY_FUNC(dealloc_pd), IB_MANDATORY_FUNC(create_ah), @@ -853,7 +852,7 @@ int ib_query_port(struct ib_device *device, if (rdma_port_get_link_layer(device, port_num) != IB_LINK_LAYER_INFINIBAND) return 0; - err = ib_query_gid(device, port_num, 0, &gid, NULL); + err = device->query_gid(device, port_num, 0, &gid); if (err) return err; @@ -871,19 +870,13 @@ EXPORT_SYMBOL(ib_query_port); * @attr: Returned GID attributes related to this GID index (only in RoCE). * NULL means ignore. * - * ib_query_gid() fetches the specified GID table entry. + * ib_query_gid() fetches the specified GID table entry from the cache. */ int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid, struct ib_gid_attr *attr) { - if (rdma_cap_roce_gid_table(device, port_num)) - return ib_get_cached_gid(device, port_num, index, gid, attr); - - if (attr) - return -EINVAL; - - return device->query_gid(device, port_num, index, gid); + return ib_get_cached_gid(device, port_num, index, gid, attr); } EXPORT_SYMBOL(ib_query_gid); @@ -1049,19 +1042,18 @@ EXPORT_SYMBOL(ib_modify_port); * a specified GID value occurs. Its searches only for IB link layer. * @device: The device to query. * @gid: The GID value to search for. - * @ndev: The ndev related to the GID to search for. * @port_num: The port number of the device where the GID value was found. * @index: The index into the GID table where the GID was found. This * parameter may be NULL. */ int ib_find_gid(struct ib_device *device, union ib_gid *gid, - struct net_device *ndev, u8 *port_num, u16 *index) + u8 *port_num, u16 *index) { union ib_gid tmp_gid; int ret, port, i; for (port = rdma_start_port(device); port <= rdma_end_port(device); ++port) { - if (rdma_cap_roce_gid_table(device, port)) + if (!rdma_protocol_ib(device, port)) continue; for (i = 0; i < device->port_immutable[port].gid_tbl_len; ++i) { diff --git a/drivers/infiniband/core/iwpm_util.c b/drivers/infiniband/core/iwpm_util.c index 81528f64061a..9821ae900f6d 100644 --- a/drivers/infiniband/core/iwpm_util.c +++ b/drivers/infiniband/core/iwpm_util.c @@ -439,10 +439,9 @@ struct sk_buff *iwpm_create_nlmsg(u32 nl_op, struct nlmsghdr **nlh, struct sk_buff *skb = NULL; skb = dev_alloc_skb(IWPM_MSG_SIZE); - if (!skb) { - pr_err("%s Unable to allocate skb\n", __func__); + if (!skb) goto create_nlmsg_exit; - } + if (!(ibnl_put_msg(skb, nlh, 0, 0, nl_client, nl_op, NLM_F_REQUEST))) { pr_warn("%s: Unable to put the nlmsg header\n", __func__); diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index 45f2f095f793..4eb72ff539fc 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -724,21 +724,19 @@ int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num, { int ret; u16 gid_index; - u8 p; - - if (rdma_protocol_roce(device, port_num)) { - ret = ib_find_cached_gid_by_port(device, &rec->port_gid, - gid_type, port_num, - ndev, - &gid_index); - } else if (rdma_protocol_ib(device, port_num)) { - ret = ib_find_cached_gid(device, &rec->port_gid, - IB_GID_TYPE_IB, NULL, &p, - &gid_index); - } else { - ret = -EINVAL; - } + /* GID table is not based on the netdevice for IB link layer, + * so ignore ndev during search. + */ + if (rdma_protocol_ib(device, port_num)) + ndev = NULL; + else if (!rdma_protocol_roce(device, port_num)) + return -EINVAL; + + ret = ib_find_cached_gid_by_port(device, &rec->port_gid, + gid_type, port_num, + ndev, + &gid_index); if (ret) return ret; diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 5326a684555f..eb567765f45c 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -34,9 +34,11 @@ #include <linux/pid.h> #include <linux/pid_namespace.h> #include <net/netlink.h> +#include <rdma/rdma_cm.h> #include <rdma/rdma_netlink.h> #include "core_priv.h" +#include "cma_priv.h" static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_DEV_INDEX] = { .type = NLA_U32 }, @@ -71,6 +73,31 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_RES_PID] = { .type = NLA_U32 }, [RDMA_NLDEV_ATTR_RES_KERN_NAME] = { .type = NLA_NUL_STRING, .len = TASK_COMM_LEN }, + [RDMA_NLDEV_ATTR_RES_CM_ID] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_PS] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_RES_SRC_ADDR] = { + .len = sizeof(struct __kernel_sockaddr_storage) }, + [RDMA_NLDEV_ATTR_RES_DST_ADDR] = { + .len = sizeof(struct __kernel_sockaddr_storage) }, + [RDMA_NLDEV_ATTR_RES_CQ] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_CQ_ENTRY] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_CQE] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_RES_USECNT] = { .type = NLA_U64 }, + [RDMA_NLDEV_ATTR_RES_POLL_CTX] = { .type = NLA_U8 }, + [RDMA_NLDEV_ATTR_RES_MR] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_MR_ENTRY] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_RKEY] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_RES_LKEY] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_RES_IOVA] = { .type = NLA_U64 }, + [RDMA_NLDEV_ATTR_RES_MRLEN] = { .type = NLA_U64 }, + [RDMA_NLDEV_ATTR_RES_PD] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_PD_ENTRY] = { .type = NLA_NESTED }, + [RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_NDEV_INDEX] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_NDEV_NAME] = { .type = NLA_NUL_STRING, + .len = IFNAMSIZ }, }; static int fill_nldev_handle(struct sk_buff *msg, struct ib_device *device) @@ -99,7 +126,7 @@ static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) return -EMSGSIZE; ib_get_device_fw_str(device, fw); - /* Device without FW has strlen(fw) */ + /* Device without FW has strlen(fw) = 0 */ if (strlen(fw) && nla_put_string(msg, RDMA_NLDEV_ATTR_FW_VERSION, fw)) return -EMSGSIZE; @@ -115,8 +142,10 @@ static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) } static int fill_port_info(struct sk_buff *msg, - struct ib_device *device, u32 port) + struct ib_device *device, u32 port, + const struct net *net) { + struct net_device *netdev = NULL; struct ib_port_attr attr; int ret; @@ -150,7 +179,23 @@ static int fill_port_info(struct sk_buff *msg, return -EMSGSIZE; if (nla_put_u8(msg, RDMA_NLDEV_ATTR_PORT_PHYS_STATE, attr.phys_state)) return -EMSGSIZE; - return 0; + + if (device->get_netdev) + netdev = device->get_netdev(device, port); + + if (netdev && net_eq(dev_net(netdev), net)) { + ret = nla_put_u32(msg, + RDMA_NLDEV_ATTR_NDEV_INDEX, netdev->ifindex); + if (ret) + goto out; + ret = nla_put_string(msg, + RDMA_NLDEV_ATTR_NDEV_NAME, netdev->name); + } + +out: + if (netdev) + dev_put(netdev); + return ret; } static int fill_res_info_entry(struct sk_buff *msg, @@ -182,6 +227,8 @@ static int fill_res_info(struct sk_buff *msg, struct ib_device *device) [RDMA_RESTRACK_PD] = "pd", [RDMA_RESTRACK_CQ] = "cq", [RDMA_RESTRACK_QP] = "qp", + [RDMA_RESTRACK_CM_ID] = "cm_id", + [RDMA_RESTRACK_MR] = "mr", }; struct rdma_restrack_root *res = &device->res; @@ -212,10 +259,29 @@ err: return ret; } -static int fill_res_qp_entry(struct sk_buff *msg, - struct ib_qp *qp, uint32_t port) +static int fill_res_name_pid(struct sk_buff *msg, + struct rdma_restrack_entry *res) +{ + /* + * For user resources, user is should read /proc/PID/comm to get the + * name of the task file. + */ + if (rdma_is_kernel_res(res)) { + if (nla_put_string(msg, RDMA_NLDEV_ATTR_RES_KERN_NAME, + res->kern_name)) + return -EMSGSIZE; + } else { + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PID, + task_pid_vnr(res->task))) + return -EMSGSIZE; + } + return 0; +} + +static int fill_res_qp_entry(struct sk_buff *msg, struct netlink_callback *cb, + struct rdma_restrack_entry *res, uint32_t port) { - struct rdma_restrack_entry *res = &qp->res; + struct ib_qp *qp = container_of(res, struct ib_qp, res); struct ib_qp_init_attr qp_init_attr; struct nlattr *entry_attr; struct ib_qp_attr qp_attr; @@ -262,19 +328,172 @@ static int fill_res_qp_entry(struct sk_buff *msg, if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_STATE, qp_attr.qp_state)) goto err; - /* - * Existence of task means that it is user QP and netlink - * user is invited to go and read /proc/PID/comm to get name - * of the task file and res->task_com should be NULL. - */ - if (rdma_is_kernel_res(res)) { - if (nla_put_string(msg, RDMA_NLDEV_ATTR_RES_KERN_NAME, res->kern_name)) + if (fill_res_name_pid(msg, res)) + goto err; + + nla_nest_end(msg, entry_attr); + return 0; + +err: + nla_nest_cancel(msg, entry_attr); +out: + return -EMSGSIZE; +} + +static int fill_res_cm_id_entry(struct sk_buff *msg, + struct netlink_callback *cb, + struct rdma_restrack_entry *res, uint32_t port) +{ + struct rdma_id_private *id_priv = + container_of(res, struct rdma_id_private, res); + struct rdma_cm_id *cm_id = &id_priv->id; + struct nlattr *entry_attr; + + if (port && port != cm_id->port_num) + return 0; + + entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY); + if (!entry_attr) + goto out; + + if (cm_id->port_num && + nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, cm_id->port_num)) + goto err; + + if (id_priv->qp_num) { + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, id_priv->qp_num)) goto err; - } else { - if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PID, task_pid_vnr(res->task))) + if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_TYPE, cm_id->qp_type)) goto err; } + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PS, cm_id->ps)) + goto err; + + if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_STATE, id_priv->state)) + goto err; + + if (cm_id->route.addr.src_addr.ss_family && + nla_put(msg, RDMA_NLDEV_ATTR_RES_SRC_ADDR, + sizeof(cm_id->route.addr.src_addr), + &cm_id->route.addr.src_addr)) + goto err; + if (cm_id->route.addr.dst_addr.ss_family && + nla_put(msg, RDMA_NLDEV_ATTR_RES_DST_ADDR, + sizeof(cm_id->route.addr.dst_addr), + &cm_id->route.addr.dst_addr)) + goto err; + + if (fill_res_name_pid(msg, res)) + goto err; + + nla_nest_end(msg, entry_attr); + return 0; + +err: + nla_nest_cancel(msg, entry_attr); +out: + return -EMSGSIZE; +} + +static int fill_res_cq_entry(struct sk_buff *msg, struct netlink_callback *cb, + struct rdma_restrack_entry *res, uint32_t port) +{ + struct ib_cq *cq = container_of(res, struct ib_cq, res); + struct nlattr *entry_attr; + + entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_CQ_ENTRY); + if (!entry_attr) + goto out; + + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CQE, cq->cqe)) + goto err; + if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_USECNT, + atomic_read(&cq->usecnt), 0)) + goto err; + + /* Poll context is only valid for kernel CQs */ + if (rdma_is_kernel_res(res) && + nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_POLL_CTX, cq->poll_ctx)) + goto err; + + if (fill_res_name_pid(msg, res)) + goto err; + + nla_nest_end(msg, entry_attr); + return 0; + +err: + nla_nest_cancel(msg, entry_attr); +out: + return -EMSGSIZE; +} + +static int fill_res_mr_entry(struct sk_buff *msg, struct netlink_callback *cb, + struct rdma_restrack_entry *res, uint32_t port) +{ + struct ib_mr *mr = container_of(res, struct ib_mr, res); + struct nlattr *entry_attr; + + entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_MR_ENTRY); + if (!entry_attr) + goto out; + + if (netlink_capable(cb->skb, CAP_NET_ADMIN)) { + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_RKEY, mr->rkey)) + goto err; + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LKEY, mr->lkey)) + goto err; + if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_IOVA, + mr->iova, 0)) + goto err; + } + + if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_MRLEN, mr->length, 0)) + goto err; + + if (fill_res_name_pid(msg, res)) + goto err; + + nla_nest_end(msg, entry_attr); + return 0; + +err: + nla_nest_cancel(msg, entry_attr); +out: + return -EMSGSIZE; +} + +static int fill_res_pd_entry(struct sk_buff *msg, struct netlink_callback *cb, + struct rdma_restrack_entry *res, uint32_t port) +{ + struct ib_pd *pd = container_of(res, struct ib_pd, res); + struct nlattr *entry_attr; + + entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_PD_ENTRY); + if (!entry_attr) + goto out; + + if (netlink_capable(cb->skb, CAP_NET_ADMIN)) { + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY, + pd->local_dma_lkey)) + goto err; + if ((pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY) && + nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, + pd->unsafe_global_rkey)) + goto err; + } + if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_USECNT, + atomic_read(&pd->usecnt), 0)) + goto err; + if ((pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY) && + nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, + pd->unsafe_global_rkey)) + goto err; + + if (fill_res_name_pid(msg, res)) + goto err; + nla_nest_end(msg, entry_attr); return 0; @@ -405,7 +624,7 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET), 0, 0); - err = fill_port_info(msg, device, port); + err = fill_port_info(msg, device, port, sock_net(skb->sk)); if (err) goto err_free; @@ -465,7 +684,7 @@ static int nldev_port_get_dumpit(struct sk_buff *skb, RDMA_NLDEV_CMD_PORT_GET), 0, NLM_F_MULTI); - if (fill_port_info(skb, device, p)) { + if (fill_port_info(skb, device, p, sock_net(skb->sk))) { nlmsg_cancel(skb, nlh); goto out; } @@ -558,23 +777,60 @@ static int nldev_res_get_dumpit(struct sk_buff *skb, return ib_enum_all_devs(_nldev_res_get_dumpit, skb, cb); } -static int nldev_res_get_qp_dumpit(struct sk_buff *skb, - struct netlink_callback *cb) +struct nldev_fill_res_entry { + int (*fill_res_func)(struct sk_buff *msg, struct netlink_callback *cb, + struct rdma_restrack_entry *res, u32 port); + enum rdma_nldev_attr nldev_attr; + enum rdma_nldev_command nldev_cmd; +}; + +static const struct nldev_fill_res_entry fill_entries[RDMA_RESTRACK_MAX] = { + [RDMA_RESTRACK_QP] = { + .fill_res_func = fill_res_qp_entry, + .nldev_cmd = RDMA_NLDEV_CMD_RES_QP_GET, + .nldev_attr = RDMA_NLDEV_ATTR_RES_QP, + }, + [RDMA_RESTRACK_CM_ID] = { + .fill_res_func = fill_res_cm_id_entry, + .nldev_cmd = RDMA_NLDEV_CMD_RES_CM_ID_GET, + .nldev_attr = RDMA_NLDEV_ATTR_RES_CM_ID, + }, + [RDMA_RESTRACK_CQ] = { + .fill_res_func = fill_res_cq_entry, + .nldev_cmd = RDMA_NLDEV_CMD_RES_CQ_GET, + .nldev_attr = RDMA_NLDEV_ATTR_RES_CQ, + }, + [RDMA_RESTRACK_MR] = { + .fill_res_func = fill_res_mr_entry, + .nldev_cmd = RDMA_NLDEV_CMD_RES_MR_GET, + .nldev_attr = RDMA_NLDEV_ATTR_RES_MR, + }, + [RDMA_RESTRACK_PD] = { + .fill_res_func = fill_res_pd_entry, + .nldev_cmd = RDMA_NLDEV_CMD_RES_PD_GET, + .nldev_attr = RDMA_NLDEV_ATTR_RES_PD, + }, +}; + +static int res_get_common_dumpit(struct sk_buff *skb, + struct netlink_callback *cb, + enum rdma_restrack_type res_type) { + const struct nldev_fill_res_entry *fe = &fill_entries[res_type]; struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; struct rdma_restrack_entry *res; int err, ret = 0, idx = 0; struct nlattr *table_attr; struct ib_device *device; int start = cb->args[0]; - struct ib_qp *qp = NULL; struct nlmsghdr *nlh; u32 index, port = 0; + bool filled = false; err = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy, NULL); /* - * Right now, we are expecting the device index to get QP information, + * Right now, we are expecting the device index to get res information, * but it is possible to extend this code to return all devices in * one shot by checking the existence of RDMA_NLDEV_ATTR_DEV_INDEX. * if it doesn't exist, we will iterate over all devices. @@ -601,7 +857,7 @@ static int nldev_res_get_qp_dumpit(struct sk_buff *skb, } nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, - RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_RES_QP_GET), + RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, fe->nldev_cmd), 0, NLM_F_MULTI); if (fill_nldev_handle(skb, device)) { @@ -609,24 +865,26 @@ static int nldev_res_get_qp_dumpit(struct sk_buff *skb, goto err; } - table_attr = nla_nest_start(skb, RDMA_NLDEV_ATTR_RES_QP); + table_attr = nla_nest_start(skb, fe->nldev_attr); if (!table_attr) { ret = -EMSGSIZE; goto err; } down_read(&device->res.rwsem); - hash_for_each_possible(device->res.hash, res, node, RDMA_RESTRACK_QP) { + hash_for_each_possible(device->res.hash, res, node, res_type) { if (idx < start) goto next; if ((rdma_is_kernel_res(res) && task_active_pid_ns(current) != &init_pid_ns) || - (!rdma_is_kernel_res(res) && - task_active_pid_ns(current) != task_active_pid_ns(res->task))) + (!rdma_is_kernel_res(res) && task_active_pid_ns(current) != + task_active_pid_ns(res->task))) /* - * 1. Kernel QPs should be visible in init namspace only - * 2. Present only QPs visible in the current namespace + * 1. Kern resources should be visible in init + * namspace only + * 2. Present only resources visible in the current + * namespace */ goto next; @@ -638,10 +896,10 @@ static int nldev_res_get_qp_dumpit(struct sk_buff *skb, */ goto next; - qp = container_of(res, struct ib_qp, res); + filled = true; up_read(&device->res.rwsem); - ret = fill_res_qp_entry(skb, qp, port); + ret = fe->fill_res_func(skb, cb, res, port); down_read(&device->res.rwsem); /* * Return resource back, but it won't be released till @@ -667,10 +925,10 @@ next: idx++; cb->args[0] = idx; /* - * No more QPs to fill, cancel the message and + * No more entries to fill, cancel the message and * return 0 to mark end of dumpit. */ - if (!qp) + if (!filled) goto err; put_device(&device->dev); @@ -688,6 +946,36 @@ err_index: return ret; } +static int nldev_res_get_qp_dumpit(struct sk_buff *skb, + struct netlink_callback *cb) +{ + return res_get_common_dumpit(skb, cb, RDMA_RESTRACK_QP); +} + +static int nldev_res_get_cm_id_dumpit(struct sk_buff *skb, + struct netlink_callback *cb) +{ + return res_get_common_dumpit(skb, cb, RDMA_RESTRACK_CM_ID); +} + +static int nldev_res_get_cq_dumpit(struct sk_buff *skb, + struct netlink_callback *cb) +{ + return res_get_common_dumpit(skb, cb, RDMA_RESTRACK_CQ); +} + +static int nldev_res_get_mr_dumpit(struct sk_buff *skb, + struct netlink_callback *cb) +{ + return res_get_common_dumpit(skb, cb, RDMA_RESTRACK_MR); +} + +static int nldev_res_get_pd_dumpit(struct sk_buff *skb, + struct netlink_callback *cb) +{ + return res_get_common_dumpit(skb, cb, RDMA_RESTRACK_PD); +} + static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { [RDMA_NLDEV_CMD_GET] = { .doit = nldev_get_doit, @@ -714,6 +1002,18 @@ static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { * too. */ }, + [RDMA_NLDEV_CMD_RES_CM_ID_GET] = { + .dump = nldev_res_get_cm_id_dumpit, + }, + [RDMA_NLDEV_CMD_RES_CQ_GET] = { + .dump = nldev_res_get_cq_dumpit, + }, + [RDMA_NLDEV_CMD_RES_MR_GET] = { + .dump = nldev_res_get_mr_dumpit, + }, + [RDMA_NLDEV_CMD_RES_PD_GET] = { + .dump = nldev_res_get_pd_dumpit, + }, }; void __init nldev_init(void) diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c index d8eead5d106d..a6e904973ba8 100644 --- a/drivers/infiniband/core/rdma_core.c +++ b/drivers/infiniband/core/rdma_core.c @@ -350,13 +350,6 @@ struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_obj_type *type, return type->type_class->alloc_begin(type, ucontext); } -static void uverbs_uobject_add(struct ib_uobject *uobject) -{ - mutex_lock(&uobject->context->uobjects_lock); - list_add(&uobject->list, &uobject->context->uobjects); - mutex_unlock(&uobject->context->uobjects_lock); -} - static int __must_check remove_commit_idr_uobject(struct ib_uobject *uobj, enum rdma_remove_reason why) { @@ -502,7 +495,6 @@ out: static void alloc_commit_idr_uobject(struct ib_uobject *uobj) { - uverbs_uobject_add(uobj); spin_lock(&uobj->context->ufile->idr_lock); /* * We already allocated this IDR with a NULL object, so @@ -518,7 +510,6 @@ static void alloc_commit_fd_uobject(struct ib_uobject *uobj) struct ib_uobject_file *uobj_file = container_of(uobj, struct ib_uobject_file, uobj); - uverbs_uobject_add(&uobj_file->uobj); fd_install(uobj_file->uobj.id, uobj->object); /* This shouldn't be used anymore. Use the file object instead */ uobj_file->uobj.id = 0; @@ -545,6 +536,10 @@ int rdma_alloc_commit_uobject(struct ib_uobject *uobj) assert_uverbs_usecnt(uobj, true); atomic_set(&uobj->usecnt, 0); + mutex_lock(&uobj->context->uobjects_lock); + list_add(&uobj->list, &uobj->context->uobjects); + mutex_unlock(&uobj->context->uobjects_lock); + uobj->type->type_class->alloc_commit(uobj); up_read(&uobj->context->cleanup_rwsem); diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c index 3dbc4e4cca41..efddd13e3edb 100644 --- a/drivers/infiniband/core/restrack.c +++ b/drivers/infiniband/core/restrack.c @@ -3,20 +3,66 @@ * Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved. */ +#include <rdma/rdma_cm.h> #include <rdma/ib_verbs.h> #include <rdma/restrack.h> #include <linux/mutex.h> #include <linux/sched/task.h> #include <linux/pid_namespace.h> +#include "cma_priv.h" + void rdma_restrack_init(struct rdma_restrack_root *res) { init_rwsem(&res->rwsem); } +static const char *type2str(enum rdma_restrack_type type) +{ + static const char * const names[RDMA_RESTRACK_MAX] = { + [RDMA_RESTRACK_PD] = "PD", + [RDMA_RESTRACK_CQ] = "CQ", + [RDMA_RESTRACK_QP] = "QP", + [RDMA_RESTRACK_CM_ID] = "CM_ID", + [RDMA_RESTRACK_MR] = "MR", + }; + + return names[type]; +}; + void rdma_restrack_clean(struct rdma_restrack_root *res) { - WARN_ON_ONCE(!hash_empty(res->hash)); + struct rdma_restrack_entry *e; + char buf[TASK_COMM_LEN]; + struct ib_device *dev; + const char *owner; + int bkt; + + if (hash_empty(res->hash)) + return; + + dev = container_of(res, struct ib_device, res); + pr_err("restrack: %s", CUT_HERE); + pr_err("restrack: BUG: RESTRACK detected leak of resources on %s\n", + dev->name); + hash_for_each(res->hash, bkt, e, node) { + if (rdma_is_kernel_res(e)) { + owner = e->kern_name; + } else { + /* + * There is no need to call get_task_struct here, + * because we can be here only if there are more + * get_task_struct() call than put_task_struct(). + */ + get_task_comm(buf, e->task); + owner = buf; + } + + pr_err("restrack: %s %s object allocated by %s is not freed\n", + rdma_is_kernel_res(e) ? "Kernel" : "User", + type2str(e->type), owner); + } + pr_err("restrack: %s", CUT_HERE); } int rdma_restrack_count(struct rdma_restrack_root *res, @@ -40,51 +86,48 @@ EXPORT_SYMBOL(rdma_restrack_count); static void set_kern_name(struct rdma_restrack_entry *res) { - enum rdma_restrack_type type = res->type; - struct ib_qp *qp; - - if (type != RDMA_RESTRACK_QP) - /* PD and CQ types already have this name embedded in */ - return; + struct ib_pd *pd; - qp = container_of(res, struct ib_qp, res); - if (!qp->pd) { - WARN_ONCE(true, "XRC QPs are not supported\n"); - /* Survive, despite the programmer's error */ - res->kern_name = " "; - return; + switch (res->type) { + case RDMA_RESTRACK_QP: + pd = container_of(res, struct ib_qp, res)->pd; + if (!pd) { + WARN_ONCE(true, "XRC QPs are not supported\n"); + /* Survive, despite the programmer's error */ + res->kern_name = " "; + } + break; + case RDMA_RESTRACK_MR: + pd = container_of(res, struct ib_mr, res)->pd; + break; + default: + /* Other types set kern_name directly */ + pd = NULL; + break; } - res->kern_name = qp->pd->res.kern_name; + if (pd) + res->kern_name = pd->res.kern_name; } static struct ib_device *res_to_dev(struct rdma_restrack_entry *res) { - enum rdma_restrack_type type = res->type; - struct ib_device *dev; - struct ib_pd *pd; - struct ib_cq *cq; - struct ib_qp *qp; - - switch (type) { + switch (res->type) { case RDMA_RESTRACK_PD: - pd = container_of(res, struct ib_pd, res); - dev = pd->device; - break; + return container_of(res, struct ib_pd, res)->device; case RDMA_RESTRACK_CQ: - cq = container_of(res, struct ib_cq, res); - dev = cq->device; - break; + return container_of(res, struct ib_cq, res)->device; case RDMA_RESTRACK_QP: - qp = container_of(res, struct ib_qp, res); - dev = qp->device; - break; + return container_of(res, struct ib_qp, res)->device; + case RDMA_RESTRACK_CM_ID: + return container_of(res, struct rdma_id_private, + res)->id.device; + case RDMA_RESTRACK_MR: + return container_of(res, struct ib_mr, res)->device; default: - WARN_ONCE(true, "Wrong resource tracking type %u\n", type); + WARN_ONCE(true, "Wrong resource tracking type %u\n", res->type); return NULL; } - - return dev; } static bool res_is_user(struct rdma_restrack_entry *res) @@ -96,6 +139,10 @@ static bool res_is_user(struct rdma_restrack_entry *res) return container_of(res, struct ib_cq, res)->uobject; case RDMA_RESTRACK_QP: return container_of(res, struct ib_qp, res)->uobject; + case RDMA_RESTRACK_CM_ID: + return !res->kern_name; + case RDMA_RESTRACK_MR: + return container_of(res, struct ib_mr, res)->pd->uobject; default: WARN_ONCE(true, "Wrong resource tracking type %u\n", res->type); return false; @@ -109,13 +156,15 @@ void rdma_restrack_add(struct rdma_restrack_entry *res) if (!dev) return; + if (res->type != RDMA_RESTRACK_CM_ID || !res_is_user(res)) + res->task = NULL; + if (res_is_user(res)) { - get_task_struct(current); - res->task = current; + if (!res->task) + rdma_restrack_set_task(res, current); res->kern_name = NULL; } else { set_kern_name(res); - res->task = NULL; } kref_init(&res->kref); diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 9f029a1ca5ea..a61ec7e33613 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1227,118 +1227,130 @@ static u8 get_src_path_mask(struct ib_device *device, u8 port_num) return src_path_mask; } -int ib_init_ah_attr_from_path(struct ib_device *device, u8 port_num, - struct sa_path_rec *rec, - struct rdma_ah_attr *ah_attr) +static int +roce_resolve_route_from_path(struct ib_device *device, u8 port_num, + struct sa_path_rec *rec) { + struct net_device *resolved_dev; + struct net_device *ndev; + struct net_device *idev; + struct rdma_dev_addr dev_addr = { + .bound_dev_if = ((sa_path_get_ifindex(rec) >= 0) ? + sa_path_get_ifindex(rec) : 0), + .net = sa_path_get_ndev(rec) ? + sa_path_get_ndev(rec) : + &init_net + }; + union { + struct sockaddr _sockaddr; + struct sockaddr_in _sockaddr_in; + struct sockaddr_in6 _sockaddr_in6; + } sgid_addr, dgid_addr; int ret; - u16 gid_index; - int use_roce; - struct net_device *ndev = NULL; - memset(ah_attr, 0, sizeof *ah_attr); - ah_attr->type = rdma_ah_find_type(device, port_num); + if (rec->roce.route_resolved) + return 0; - rdma_ah_set_dlid(ah_attr, be32_to_cpu(sa_path_get_dlid(rec))); + if (!device->get_netdev) + return -EOPNOTSUPP; - if ((ah_attr->type == RDMA_AH_ATTR_TYPE_OPA) && - (rdma_ah_get_dlid(ah_attr) == be16_to_cpu(IB_LID_PERMISSIVE))) - rdma_ah_set_make_grd(ah_attr, true); + rdma_gid2ip(&sgid_addr._sockaddr, &rec->sgid); + rdma_gid2ip(&dgid_addr._sockaddr, &rec->dgid); - rdma_ah_set_sl(ah_attr, rec->sl); - rdma_ah_set_path_bits(ah_attr, be32_to_cpu(sa_path_get_slid(rec)) & - get_src_path_mask(device, port_num)); - rdma_ah_set_port_num(ah_attr, port_num); - rdma_ah_set_static_rate(ah_attr, rec->rate); - use_roce = rdma_cap_eth_ah(device, port_num); - - if (use_roce) { - struct net_device *idev; - struct net_device *resolved_dev; - struct rdma_dev_addr dev_addr = { - .bound_dev_if = ((sa_path_get_ifindex(rec) >= 0) ? - sa_path_get_ifindex(rec) : 0), - .net = sa_path_get_ndev(rec) ? - sa_path_get_ndev(rec) : - &init_net - }; - union { - struct sockaddr _sockaddr; - struct sockaddr_in _sockaddr_in; - struct sockaddr_in6 _sockaddr_in6; - } sgid_addr, dgid_addr; - - if (!device->get_netdev) - return -EOPNOTSUPP; - - rdma_gid2ip(&sgid_addr._sockaddr, &rec->sgid); - rdma_gid2ip(&dgid_addr._sockaddr, &rec->dgid); - - /* validate the route */ - ret = rdma_resolve_ip_route(&sgid_addr._sockaddr, - &dgid_addr._sockaddr, &dev_addr); - if (ret) - return ret; + /* validate the route */ + ret = rdma_resolve_ip_route(&sgid_addr._sockaddr, + &dgid_addr._sockaddr, &dev_addr); + if (ret) + return ret; - if ((dev_addr.network == RDMA_NETWORK_IPV4 || - dev_addr.network == RDMA_NETWORK_IPV6) && - rec->rec_type != SA_PATH_REC_TYPE_ROCE_V2) - return -EINVAL; + if ((dev_addr.network == RDMA_NETWORK_IPV4 || + dev_addr.network == RDMA_NETWORK_IPV6) && + rec->rec_type != SA_PATH_REC_TYPE_ROCE_V2) + return -EINVAL; - idev = device->get_netdev(device, port_num); - if (!idev) - return -ENODEV; + idev = device->get_netdev(device, port_num); + if (!idev) + return -ENODEV; - resolved_dev = dev_get_by_index(dev_addr.net, - dev_addr.bound_dev_if); - if (!resolved_dev) { - dev_put(idev); - return -ENODEV; - } - ndev = ib_get_ndev_from_path(rec); - rcu_read_lock(); - if ((ndev && ndev != resolved_dev) || - (resolved_dev != idev && - !rdma_is_upper_dev_rcu(idev, resolved_dev))) - ret = -EHOSTUNREACH; - rcu_read_unlock(); - dev_put(idev); - dev_put(resolved_dev); - if (ret) { - if (ndev) - dev_put(ndev); - return ret; - } + resolved_dev = dev_get_by_index(dev_addr.net, + dev_addr.bound_dev_if); + if (!resolved_dev) { + ret = -ENODEV; + goto done; } + ndev = ib_get_ndev_from_path(rec); + rcu_read_lock(); + if ((ndev && ndev != resolved_dev) || + (resolved_dev != idev && + !rdma_is_upper_dev_rcu(idev, resolved_dev))) + ret = -EHOSTUNREACH; + rcu_read_unlock(); + dev_put(resolved_dev); + if (ndev) + dev_put(ndev); +done: + dev_put(idev); + if (!ret) + rec->roce.route_resolved = true; + return ret; +} - if (rec->hop_limit > 0 || use_roce) { - enum ib_gid_type type = sa_conv_pathrec_to_gid_type(rec); +static int init_ah_attr_grh_fields(struct ib_device *device, u8 port_num, + struct sa_path_rec *rec, + struct rdma_ah_attr *ah_attr) +{ + enum ib_gid_type type = sa_conv_pathrec_to_gid_type(rec); + struct net_device *ndev; + u16 gid_index; + int ret; - ret = ib_find_cached_gid_by_port(device, &rec->sgid, type, - port_num, ndev, &gid_index); - if (ret) { - if (ndev) - dev_put(ndev); - return ret; - } + ndev = ib_get_ndev_from_path(rec); + ret = ib_find_cached_gid_by_port(device, &rec->sgid, type, + port_num, ndev, &gid_index); + if (ndev) + dev_put(ndev); + if (ret) + return ret; - rdma_ah_set_grh(ah_attr, &rec->dgid, - be32_to_cpu(rec->flow_label), - gid_index, rec->hop_limit, - rec->traffic_class); - if (ndev) - dev_put(ndev); - } + rdma_ah_set_grh(ah_attr, &rec->dgid, + be32_to_cpu(rec->flow_label), + gid_index, rec->hop_limit, + rec->traffic_class); + return 0; +} - if (use_roce) { - u8 *dmac = sa_path_get_dmac(rec); +int ib_init_ah_attr_from_path(struct ib_device *device, u8 port_num, + struct sa_path_rec *rec, + struct rdma_ah_attr *ah_attr) +{ + int ret = 0; + + memset(ah_attr, 0, sizeof(*ah_attr)); + ah_attr->type = rdma_ah_find_type(device, port_num); + rdma_ah_set_sl(ah_attr, rec->sl); + rdma_ah_set_port_num(ah_attr, port_num); + rdma_ah_set_static_rate(ah_attr, rec->rate); - if (!dmac) - return -EINVAL; - memcpy(ah_attr->roce.dmac, dmac, ETH_ALEN); + if (sa_path_is_roce(rec)) { + ret = roce_resolve_route_from_path(device, port_num, rec); + if (ret) + return ret; + + memcpy(ah_attr->roce.dmac, sa_path_get_dmac(rec), ETH_ALEN); + } else { + rdma_ah_set_dlid(ah_attr, be32_to_cpu(sa_path_get_dlid(rec))); + if (sa_path_is_opa(rec) && + rdma_ah_get_dlid(ah_attr) == be16_to_cpu(IB_LID_PERMISSIVE)) + rdma_ah_set_make_grd(ah_attr, true); + + rdma_ah_set_path_bits(ah_attr, + be32_to_cpu(sa_path_get_slid(rec)) & + get_src_path_mask(device, port_num)); } - return 0; + if (rec->hop_limit > 0 || sa_path_is_roce(rec)) + ret = init_ah_attr_grh_fields(device, port_num, rec, ah_attr); + return ret; } EXPORT_SYMBOL(ib_init_ah_attr_from_path); diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index 8ae1308eecc7..31c7efaf8e7a 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -273,6 +273,7 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, break; case IB_SPEED_SDR: default: /* default to SDR for invalid rates */ + speed = " SDR"; rate = 25; break; } @@ -388,14 +389,26 @@ static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, { struct port_table_attribute *tab_attr = container_of(attr, struct port_table_attribute, attr); + union ib_gid *pgid; union ib_gid gid; ssize_t ret; ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid, NULL); - if (ret) - return ret; - return sprintf(buf, "%pI6\n", gid.raw); + /* If reading GID fails, it is likely due to GID entry being empty + * (invalid) or reserved GID in the table. + * User space expects to read GID table entries as long as it given + * index is within GID table size. + * Administrative/debugging tool fails to query rest of the GID entries + * if it hits error while querying a GID of the given index. + * To avoid user space throwing such error on fail to read gid, return + * zero GID as before. This maintains backward compatibility. + */ + if (ret) + pgid = &zgid; + else + pgid = &gid; + return sprintf(buf, "%pI6\n", pgid->raw); } static ssize_t show_port_gid_attr_ndev(struct ib_port *p, @@ -810,10 +823,15 @@ static ssize_t show_hw_stats(struct kobject *kobj, struct attribute *attr, dev = port->ibdev; stats = port->hw_stats; } + mutex_lock(&stats->lock); ret = update_hw_stats(dev, stats, hsa->port_num, hsa->index); if (ret) - return ret; - return print_hw_stat(stats, hsa->index, buf); + goto unlock; + ret = print_hw_stat(stats, hsa->index, buf); +unlock: + mutex_unlock(&stats->lock); + + return ret; } static ssize_t show_stats_lifespan(struct kobject *kobj, @@ -821,17 +839,25 @@ static ssize_t show_stats_lifespan(struct kobject *kobj, char *buf) { struct hw_stats_attribute *hsa; + struct rdma_hw_stats *stats; int msecs; hsa = container_of(attr, struct hw_stats_attribute, attr); if (!hsa->port_num) { struct ib_device *dev = container_of((struct device *)kobj, struct ib_device, dev); - msecs = jiffies_to_msecs(dev->hw_stats->lifespan); + + stats = dev->hw_stats; } else { struct ib_port *p = container_of(kobj, struct ib_port, kobj); - msecs = jiffies_to_msecs(p->hw_stats->lifespan); + + stats = p->hw_stats; } + + mutex_lock(&stats->lock); + msecs = jiffies_to_msecs(stats->lifespan); + mutex_unlock(&stats->lock); + return sprintf(buf, "%d\n", msecs); } @@ -840,6 +866,7 @@ static ssize_t set_stats_lifespan(struct kobject *kobj, const char *buf, size_t count) { struct hw_stats_attribute *hsa; + struct rdma_hw_stats *stats; int msecs; int jiffies; int ret; @@ -854,11 +881,18 @@ static ssize_t set_stats_lifespan(struct kobject *kobj, if (!hsa->port_num) { struct ib_device *dev = container_of((struct device *)kobj, struct ib_device, dev); - dev->hw_stats->lifespan = jiffies; + + stats = dev->hw_stats; } else { struct ib_port *p = container_of(kobj, struct ib_port, kobj); - p->hw_stats->lifespan = jiffies; + + stats = p->hw_stats; } + + mutex_lock(&stats->lock); + stats->lifespan = jiffies; + mutex_unlock(&stats->lock); + return count; } @@ -951,6 +985,7 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port, sysfs_attr_init(hsag->attrs[i]); } + mutex_init(&stats->lock); /* treat an error here as non-fatal */ hsag->attrs[i] = alloc_hsa_lifespan("lifespan", port_num); if (hsag->attrs[i]) diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 01702265c1e1..9eef96dacbd7 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -430,7 +430,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, uevent->resp.id = ctx->id; } - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &uevent->resp, sizeof(uevent->resp))) { result = -EFAULT; goto done; @@ -441,7 +441,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, result = -ENOMEM; goto done; } - if (copy_to_user((void __user *)(unsigned long)cmd.data, + if (copy_to_user(u64_to_user_ptr(cmd.data), uevent->data, uevent->data_len)) { result = -EFAULT; goto done; @@ -453,7 +453,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, result = -ENOMEM; goto done; } - if (copy_to_user((void __user *)(unsigned long)cmd.info, + if (copy_to_user(u64_to_user_ptr(cmd.info), uevent->info, uevent->info_len)) { result = -EFAULT; goto done; @@ -502,7 +502,7 @@ static ssize_t ib_ucm_create_id(struct ib_ucm_file *file, } resp.id = ctx->id; - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) { result = -EFAULT; goto err2; @@ -556,7 +556,7 @@ static ssize_t ib_ucm_destroy_id(struct ib_ucm_file *file, ib_ucm_cleanup_events(ctx); resp.events_reported = ctx->events_reported; - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) result = -EFAULT; @@ -588,7 +588,7 @@ static ssize_t ib_ucm_attr_id(struct ib_ucm_file *file, resp.local_id = ctx->cm_id->local_id; resp.remote_id = ctx->cm_id->remote_id; - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) result = -EFAULT; @@ -625,7 +625,7 @@ static ssize_t ib_ucm_init_qp_attr(struct ib_ucm_file *file, ib_copy_qp_attr_to_user(ctx->cm_id->device, &resp, &qp_attr); - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) result = -EFAULT; @@ -699,7 +699,7 @@ static int ib_ucm_alloc_data(const void **dest, u64 src, u32 len) if (!len) return 0; - data = memdup_user((void __user *)(unsigned long)src, len); + data = memdup_user(u64_to_user_ptr(src), len); if (IS_ERR(data)) return PTR_ERR(data); @@ -721,7 +721,7 @@ static int ib_ucm_path_get(struct sa_path_rec **path, u64 src) if (!sa_path) return -ENOMEM; - if (copy_from_user(&upath, (void __user *)(unsigned long)src, + if (copy_from_user(&upath, u64_to_user_ptr(src), sizeof(upath))) { kfree(sa_path); diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index d933336d7e01..74329483af6d 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -382,7 +382,11 @@ static ssize_t ucma_get_event(struct ucma_file *file, const char __user *inbuf, struct ucma_event *uevent; int ret = 0; - if (out_len < sizeof uevent->resp) + /* + * Old 32 bit user space does not send the 4 byte padding in the + * reserved field. We don't care, allow it to keep working. + */ + if (out_len < sizeof(uevent->resp) - sizeof(uevent->resp.reserved)) return -ENOSPC; if (copy_from_user(&cmd, inbuf, sizeof(cmd))) @@ -416,8 +420,9 @@ static ssize_t ucma_get_event(struct ucma_file *file, const char __user *inbuf, uevent->resp.id = ctx->id; } - if (copy_to_user((void __user *)(unsigned long)cmd.response, - &uevent->resp, sizeof uevent->resp)) { + if (copy_to_user(u64_to_user_ptr(cmd.response), + &uevent->resp, + min_t(size_t, out_len, sizeof(uevent->resp)))) { ret = -EFAULT; goto done; } @@ -477,15 +482,15 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf, return -ENOMEM; ctx->uid = cmd.uid; - cm_id = rdma_create_id(current->nsproxy->net_ns, - ucma_event_handler, ctx, cmd.ps, qp_type); + cm_id = __rdma_create_id(current->nsproxy->net_ns, + ucma_event_handler, ctx, cmd.ps, qp_type, NULL); if (IS_ERR(cm_id)) { ret = PTR_ERR(cm_id); goto err1; } resp.id = ctx->id; - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) { ret = -EFAULT; goto err2; @@ -615,7 +620,7 @@ static ssize_t ucma_destroy_id(struct ucma_file *file, const char __user *inbuf, } resp.events_reported = ucma_free_ctx(ctx); - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) ret = -EFAULT; @@ -845,7 +850,7 @@ static ssize_t ucma_query_route(struct ucma_file *file, ucma_copy_iw_route(&resp, &ctx->cm_id->route); out: - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) ret = -EFAULT; @@ -991,7 +996,7 @@ static ssize_t ucma_query(struct ucma_file *file, if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - response = (void __user *)(unsigned long) cmd.response; + response = u64_to_user_ptr(cmd.response); ctx = ucma_get_ctx(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1094,12 +1099,12 @@ static ssize_t ucma_accept(struct ucma_file *file, const char __user *inbuf, if (cmd.conn_param.valid) { ucma_copy_conn_param(ctx->cm_id, &conn_param, &cmd.conn_param); mutex_lock(&file->mut); - ret = rdma_accept(ctx->cm_id, &conn_param); + ret = __rdma_accept(ctx->cm_id, &conn_param, NULL); if (!ret) ctx->uid = cmd.uid; mutex_unlock(&file->mut); } else - ret = rdma_accept(ctx->cm_id, NULL); + ret = __rdma_accept(ctx->cm_id, NULL, NULL); ucma_put_ctx(ctx); return ret; @@ -1179,7 +1184,7 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file, goto out; ib_copy_qp_attr_to_user(ctx->cm_id->device, &resp, &qp_attr); - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) ret = -EFAULT; @@ -1241,6 +1246,9 @@ static int ucma_set_ib_path(struct ucma_context *ctx, if (!optlen) return -EINVAL; + if (!ctx->cm_id->device) + return -EINVAL; + memset(&sa_path, 0, sizeof(sa_path)); sa_path.rec_type = SA_PATH_REC_TYPE_IB; @@ -1315,7 +1323,7 @@ static ssize_t ucma_set_option(struct ucma_file *file, const char __user *inbuf, if (unlikely(cmd.optlen > KMALLOC_MAX_SIZE)) return -EINVAL; - optval = memdup_user((void __user *) (unsigned long) cmd.optval, + optval = memdup_user(u64_to_user_ptr(cmd.optval), cmd.optlen); if (IS_ERR(optval)) { ret = PTR_ERR(optval); @@ -1395,7 +1403,7 @@ static ssize_t ucma_process_join(struct ucma_file *file, goto err2; resp.id = mc->id; - if (copy_to_user((void __user *)(unsigned long) cmd->response, + if (copy_to_user(u64_to_user_ptr(cmd->response), &resp, sizeof(resp))) { ret = -EFAULT; goto err3; @@ -1500,7 +1508,7 @@ static ssize_t ucma_leave_multicast(struct ucma_file *file, resp.events_reported = mc->events_reported; kfree(mc); - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) ret = -EFAULT; out: @@ -1587,7 +1595,7 @@ static ssize_t ucma_migrate_id(struct ucma_file *new_file, ucma_unlock_files(cur_file, new_file); response: - if (copy_to_user((void __user *)(unsigned long)cmd.response, + if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) ret = -EFAULT; diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index deccefb71a6b..cfb51618ab7a 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -46,6 +46,10 @@ #include <rdma/ib_verbs.h> #include <rdma/ib_umem.h> #include <rdma/ib_user_verbs.h> +#include <rdma/uverbs_std_types.h> + +#define UVERBS_MODULE_NAME ib_uverbs +#include <rdma/uverbs_named_ioctl.h> static inline void ib_uverbs_init_udata(struct ib_udata *udata, @@ -199,11 +203,18 @@ struct ib_ucq_object { u32 async_events_reported; }; +struct ib_uflow_resources; +struct ib_uflow_object { + struct ib_uobject uobject; + struct ib_uflow_resources *resources; +}; + extern const struct file_operations uverbs_event_fops; void ib_uverbs_init_event_queue(struct ib_uverbs_event_queue *ev_queue); struct file *ib_uverbs_alloc_async_event_file(struct ib_uverbs_file *uverbs_file, struct ib_device *ib_dev); void ib_uverbs_free_async_event_file(struct ib_uverbs_file *uverbs_file); +void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res); void ib_uverbs_release_ucq(struct ib_uverbs_file *file, struct ib_uverbs_completion_event_file *ev_file, @@ -226,7 +237,13 @@ int uverbs_dealloc_mw(struct ib_mw *mw); void ib_uverbs_detach_umcast(struct ib_qp *qp, struct ib_uqp_object *uobj); +void create_udata(struct uverbs_attr_bundle *ctx, struct ib_udata *udata); +extern const struct uverbs_attr_def uverbs_uhw_compat_in; +extern const struct uverbs_attr_def uverbs_uhw_compat_out; long ib_uverbs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); +int uverbs_destroy_def_handler(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs); struct ib_uverbs_flow_spec { union { @@ -240,13 +257,37 @@ struct ib_uverbs_flow_spec { }; struct ib_uverbs_flow_spec_eth eth; struct ib_uverbs_flow_spec_ipv4 ipv4; + struct ib_uverbs_flow_spec_esp esp; struct ib_uverbs_flow_spec_tcp_udp tcp_udp; struct ib_uverbs_flow_spec_ipv6 ipv6; struct ib_uverbs_flow_spec_action_tag flow_tag; struct ib_uverbs_flow_spec_action_drop drop; + struct ib_uverbs_flow_spec_action_handle action; }; }; +int ib_uverbs_kern_spec_to_ib_spec_filter(enum ib_flow_spec_type type, + const void *kern_spec_mask, + const void *kern_spec_val, + size_t kern_filter_sz, + union ib_flow_spec *ib_spec); + +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_DEVICE); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_PD); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_MR); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_COMP_CHANNEL); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_CQ); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_QP); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_AH); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_MW); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_SRQ); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_FLOW); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_WQ); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_RWQ_IND_TBL); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_XRCD); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_FLOW_ACTION); +extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_DM); + #define IB_UVERBS_DECLARE_CMD(name) \ ssize_t ib_uverbs_##name(struct ib_uverbs_file *file, \ struct ib_device *ib_dev, \ diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index a148de35df8d..13cb5e4deb86 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -50,7 +50,7 @@ static struct ib_uverbs_completion_event_file * ib_uverbs_lookup_comp_file(int fd, struct ib_ucontext *context) { - struct ib_uobject *uobj = uobj_get_read(uobj_get_type(comp_channel), + struct ib_uobject *uobj = uobj_get_read(UVERBS_OBJECT_COMP_CHANNEL, fd, context); struct ib_uobject_file *uobj_file; @@ -322,7 +322,7 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file, in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); - uobj = uobj_alloc(uobj_get_type(pd), file->ucontext); + uobj = uobj_alloc(UVERBS_OBJECT_PD, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -372,7 +372,7 @@ ssize_t ib_uverbs_dealloc_pd(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - uobj = uobj_get_write(uobj_get_type(pd), cmd.pd_handle, + uobj = uobj_get_write(UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -517,7 +517,7 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, } } - obj = (struct ib_uxrcd_object *)uobj_alloc(uobj_get_type(xrcd), + obj = (struct ib_uxrcd_object *)uobj_alloc(UVERBS_OBJECT_XRCD, file->ucontext); if (IS_ERR(obj)) { ret = PTR_ERR(obj); @@ -602,7 +602,7 @@ ssize_t ib_uverbs_close_xrcd(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - uobj = uobj_get_write(uobj_get_type(xrcd), cmd.xrcd_handle, + uobj = uobj_get_write(UVERBS_OBJECT_XRCD, cmd.xrcd_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -663,11 +663,11 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, if (ret) return ret; - uobj = uobj_alloc(uobj_get_type(mr), file->ucontext); + uobj = uobj_alloc(UVERBS_OBJECT_MR, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); - pd = uobj_get_obj_read(pd, cmd.pd_handle, file->ucontext); + pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext); if (!pd) { ret = -EINVAL; goto err_free; @@ -693,6 +693,8 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, mr->pd = pd; mr->uobject = uobj; atomic_inc(&pd->usecnt); + mr->res.type = RDMA_RESTRACK_MR; + rdma_restrack_add(&mr->res); uobj->object = mr; @@ -756,7 +758,7 @@ ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, (cmd.start & ~PAGE_MASK) != (cmd.hca_va & ~PAGE_MASK))) return -EINVAL; - uobj = uobj_get_write(uobj_get_type(mr), cmd.mr_handle, + uobj = uobj_get_write(UVERBS_OBJECT_MR, cmd.mr_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -770,7 +772,7 @@ ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, } if (cmd.flags & IB_MR_REREG_PD) { - pd = uobj_get_obj_read(pd, cmd.pd_handle, file->ucontext); + pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext); if (!pd) { ret = -EINVAL; goto put_uobjs; @@ -822,7 +824,7 @@ ssize_t ib_uverbs_dereg_mr(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - uobj = uobj_get_write(uobj_get_type(mr), cmd.mr_handle, + uobj = uobj_get_write(UVERBS_OBJECT_MR, cmd.mr_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -851,11 +853,11 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof(cmd))) return -EFAULT; - uobj = uobj_alloc(uobj_get_type(mw), file->ucontext); + uobj = uobj_alloc(UVERBS_OBJECT_MW, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); - pd = uobj_get_obj_read(pd, cmd.pd_handle, file->ucontext); + pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext); if (!pd) { ret = -EINVAL; goto err_free; @@ -914,7 +916,7 @@ ssize_t ib_uverbs_dealloc_mw(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof(cmd))) return -EFAULT; - uobj = uobj_get_write(uobj_get_type(mw), cmd.mw_handle, + uobj = uobj_get_write(UVERBS_OBJECT_MW, cmd.mw_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -939,7 +941,7 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - uobj = uobj_alloc(uobj_get_type(comp_channel), file->ucontext); + uobj = uobj_alloc(UVERBS_OBJECT_COMP_CHANNEL, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -984,7 +986,7 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file, if (cmd->comp_vector >= file->device->num_comp_vectors) return ERR_PTR(-EINVAL); - obj = (struct ib_ucq_object *)uobj_alloc(uobj_get_type(cq), + obj = (struct ib_ucq_object *)uobj_alloc(UVERBS_OBJECT_CQ, file->ucontext); if (IS_ERR(obj)) return obj; @@ -1173,7 +1175,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); - cq = uobj_get_obj_read(cq, cmd.cq_handle, file->ucontext); + cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext); if (!cq) return -EINVAL; @@ -1238,7 +1240,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - cq = uobj_get_obj_read(cq, cmd.cq_handle, file->ucontext); + cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext); if (!cq) return -EINVAL; @@ -1285,7 +1287,7 @@ ssize_t ib_uverbs_req_notify_cq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - cq = uobj_get_obj_read(cq, cmd.cq_handle, file->ucontext); + cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext); if (!cq) return -EINVAL; @@ -1312,7 +1314,7 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - uobj = uobj_get_write(uobj_get_type(cq), cmd.cq_handle, + uobj = uobj_get_write(UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -1371,7 +1373,7 @@ static int create_qp(struct ib_uverbs_file *file, if (cmd->qp_type == IB_QPT_RAW_PACKET && !capable(CAP_NET_RAW)) return -EPERM; - obj = (struct ib_uqp_object *)uobj_alloc(uobj_get_type(qp), + obj = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP, file->ucontext); if (IS_ERR(obj)) return PTR_ERR(obj); @@ -1382,7 +1384,7 @@ static int create_qp(struct ib_uverbs_file *file, if (cmd_sz >= offsetof(typeof(*cmd), rwq_ind_tbl_handle) + sizeof(cmd->rwq_ind_tbl_handle) && (cmd->comp_mask & IB_UVERBS_CREATE_QP_MASK_IND_TABLE)) { - ind_tbl = uobj_get_obj_read(rwq_ind_table, + ind_tbl = uobj_get_obj_read(rwq_ind_table, UVERBS_OBJECT_RWQ_IND_TBL, cmd->rwq_ind_tbl_handle, file->ucontext); if (!ind_tbl) { @@ -1409,7 +1411,7 @@ static int create_qp(struct ib_uverbs_file *file, has_sq = false; if (cmd->qp_type == IB_QPT_XRC_TGT) { - xrcd_uobj = uobj_get_read(uobj_get_type(xrcd), cmd->pd_handle, + xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd->pd_handle, file->ucontext); if (IS_ERR(xrcd_uobj)) { @@ -1429,7 +1431,7 @@ static int create_qp(struct ib_uverbs_file *file, cmd->max_recv_sge = 0; } else { if (cmd->is_srq) { - srq = uobj_get_obj_read(srq, cmd->srq_handle, + srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd->srq_handle, file->ucontext); if (!srq || srq->srq_type == IB_SRQT_XRC) { ret = -EINVAL; @@ -1439,7 +1441,7 @@ static int create_qp(struct ib_uverbs_file *file, if (!ind_tbl) { if (cmd->recv_cq_handle != cmd->send_cq_handle) { - rcq = uobj_get_obj_read(cq, cmd->recv_cq_handle, + rcq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd->recv_cq_handle, file->ucontext); if (!rcq) { ret = -EINVAL; @@ -1450,11 +1452,11 @@ static int create_qp(struct ib_uverbs_file *file, } if (has_sq) - scq = uobj_get_obj_read(cq, cmd->send_cq_handle, + scq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd->send_cq_handle, file->ucontext); if (!ind_tbl) rcq = rcq ?: scq; - pd = uobj_get_obj_read(pd, cmd->pd_handle, file->ucontext); + pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle, file->ucontext); if (!pd || (!scq && has_sq)) { ret = -EINVAL; goto err_put; @@ -1751,12 +1753,12 @@ ssize_t ib_uverbs_open_qp(struct ib_uverbs_file *file, in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); - obj = (struct ib_uqp_object *)uobj_alloc(uobj_get_type(qp), + obj = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP, file->ucontext); if (IS_ERR(obj)) return PTR_ERR(obj); - xrcd_uobj = uobj_get_read(uobj_get_type(xrcd), cmd.pd_handle, + xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd.pd_handle, file->ucontext); if (IS_ERR(xrcd_uobj)) { ret = -EINVAL; @@ -1859,7 +1861,7 @@ ssize_t ib_uverbs_query_qp(struct ib_uverbs_file *file, goto out; } - qp = uobj_get_obj_read(qp, cmd.qp_handle, file->ucontext); + qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext); if (!qp) { ret = -EINVAL; goto out; @@ -1964,7 +1966,7 @@ static int modify_qp(struct ib_uverbs_file *file, if (!attr) return -ENOMEM; - qp = uobj_get_obj_read(qp, cmd->base.qp_handle, file->ucontext); + qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd->base.qp_handle, file->ucontext); if (!qp) { ret = -EINVAL; goto out; @@ -1989,6 +1991,13 @@ static int modify_qp(struct ib_uverbs_file *file, goto release_qp; } + if ((cmd->base.attr_mask & IB_QP_CUR_STATE && + cmd->base.cur_qp_state > IB_QPS_ERR) || + cmd->base.qp_state > IB_QPS_ERR) { + ret = -EINVAL; + goto release_qp; + } + attr->qp_state = cmd->base.qp_state; attr->cur_qp_state = cmd->base.cur_qp_state; attr->path_mtu = cmd->base.path_mtu; @@ -2112,7 +2121,7 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, memset(&resp, 0, sizeof resp); - uobj = uobj_get_write(uobj_get_type(qp), cmd.qp_handle, + uobj = uobj_get_write(UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -2178,7 +2187,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, if (!user_wr) return -ENOMEM; - qp = uobj_get_obj_read(qp, cmd.qp_handle, file->ucontext); + qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext); if (!qp) goto out; @@ -2214,7 +2223,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, goto out_put; } - ud->ah = uobj_get_obj_read(ah, user_wr->wr.ud.ah, + ud->ah = uobj_get_obj_read(ah, UVERBS_OBJECT_AH, user_wr->wr.ud.ah, file->ucontext); if (!ud->ah) { kfree(ud); @@ -2449,7 +2458,7 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file, if (IS_ERR(wr)) return PTR_ERR(wr); - qp = uobj_get_obj_read(qp, cmd.qp_handle, file->ucontext); + qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext); if (!qp) goto out; @@ -2498,7 +2507,7 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file, if (IS_ERR(wr)) return PTR_ERR(wr); - srq = uobj_get_obj_read(srq, cmd.srq_handle, file->ucontext); + srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file->ucontext); if (!srq) goto out; @@ -2555,11 +2564,11 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr), out_len - sizeof(resp)); - uobj = uobj_alloc(uobj_get_type(ah), file->ucontext); + uobj = uobj_alloc(UVERBS_OBJECT_AH, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); - pd = uobj_get_obj_read(pd, cmd.pd_handle, file->ucontext); + pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext); if (!pd) { ret = -EINVAL; goto err; @@ -2627,7 +2636,7 @@ ssize_t ib_uverbs_destroy_ah(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - uobj = uobj_get_write(uobj_get_type(ah), cmd.ah_handle, + uobj = uobj_get_write(UVERBS_OBJECT_AH, cmd.ah_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -2650,7 +2659,7 @@ ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - qp = uobj_get_obj_read(qp, cmd.qp_handle, file->ucontext); + qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext); if (!qp) return -EINVAL; @@ -2701,7 +2710,7 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - qp = uobj_get_obj_read(qp, cmd.qp_handle, file->ucontext); + qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext); if (!qp) return -EINVAL; @@ -2730,8 +2739,52 @@ out_put: return ret ? ret : in_len; } -static int kern_spec_to_ib_spec_action(struct ib_uverbs_flow_spec *kern_spec, - union ib_flow_spec *ib_spec) +struct ib_uflow_resources { + size_t max; + size_t num; + struct ib_flow_action *collection[0]; +}; + +static struct ib_uflow_resources *flow_resources_alloc(size_t num_specs) +{ + struct ib_uflow_resources *resources; + + resources = + kmalloc(sizeof(*resources) + + num_specs * sizeof(*resources->collection), GFP_KERNEL); + + if (!resources) + return NULL; + + resources->num = 0; + resources->max = num_specs; + + return resources; +} + +void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res) +{ + unsigned int i; + + for (i = 0; i < uflow_res->num; i++) + atomic_dec(&uflow_res->collection[i]->usecnt); + + kfree(uflow_res); +} + +static void flow_resources_add(struct ib_uflow_resources *uflow_res, + struct ib_flow_action *action) +{ + WARN_ON(uflow_res->num >= uflow_res->max); + + atomic_inc(&action->usecnt); + uflow_res->collection[uflow_res->num++] = action; +} + +static int kern_spec_to_ib_spec_action(struct ib_ucontext *ucontext, + struct ib_uverbs_flow_spec *kern_spec, + union ib_flow_spec *ib_spec, + struct ib_uflow_resources *uflow_res) { ib_spec->type = kern_spec->type; switch (ib_spec->type) { @@ -2750,19 +2803,34 @@ static int kern_spec_to_ib_spec_action(struct ib_uverbs_flow_spec *kern_spec, ib_spec->drop.size = sizeof(struct ib_flow_spec_action_drop); break; + case IB_FLOW_SPEC_ACTION_HANDLE: + if (kern_spec->action.size != + sizeof(struct ib_uverbs_flow_spec_action_handle)) + return -EOPNOTSUPP; + ib_spec->action.act = uobj_get_obj_read(flow_action, + UVERBS_OBJECT_FLOW_ACTION, + kern_spec->action.handle, + ucontext); + if (!ib_spec->action.act) + return -EINVAL; + ib_spec->action.size = + sizeof(struct ib_flow_spec_action_handle); + flow_resources_add(uflow_res, ib_spec->action.act); + uobj_put_obj_read(ib_spec->action.act); + break; default: return -EINVAL; } return 0; } -static size_t kern_spec_filter_sz(struct ib_uverbs_flow_spec_hdr *spec) +static size_t kern_spec_filter_sz(const struct ib_uverbs_flow_spec_hdr *spec) { /* Returns user space filter size, includes padding */ return (spec->size - sizeof(struct ib_uverbs_flow_spec_hdr)) / 2; } -static ssize_t spec_filter_size(void *kern_spec_filter, u16 kern_filter_size, +static ssize_t spec_filter_size(const void *kern_spec_filter, u16 kern_filter_size, u16 ib_real_filter_sz) { /* @@ -2780,28 +2848,21 @@ static ssize_t spec_filter_size(void *kern_spec_filter, u16 kern_filter_size, return kern_filter_size; } -static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec, - union ib_flow_spec *ib_spec) +int ib_uverbs_kern_spec_to_ib_spec_filter(enum ib_flow_spec_type type, + const void *kern_spec_mask, + const void *kern_spec_val, + size_t kern_filter_sz, + union ib_flow_spec *ib_spec) { ssize_t actual_filter_sz; - ssize_t kern_filter_sz; ssize_t ib_filter_sz; - void *kern_spec_mask; - void *kern_spec_val; - if (kern_spec->reserved) - return -EINVAL; - - ib_spec->type = kern_spec->type; - - kern_filter_sz = kern_spec_filter_sz(&kern_spec->hdr); /* User flow spec size must be aligned to 4 bytes */ if (kern_filter_sz != ALIGN(kern_filter_sz, 4)) return -EINVAL; - kern_spec_val = (void *)kern_spec + - sizeof(struct ib_uverbs_flow_spec_hdr); - kern_spec_mask = kern_spec_val + kern_filter_sz; + ib_spec->type = type; + if (ib_spec->type == (IB_FLOW_SPEC_INNER | IB_FLOW_SPEC_VXLAN_TUNNEL)) return -EINVAL; @@ -2870,20 +2931,56 @@ static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec, (ntohl(ib_spec->tunnel.val.tunnel_id)) >= BIT(24)) return -EINVAL; break; + case IB_FLOW_SPEC_ESP: + ib_filter_sz = offsetof(struct ib_flow_esp_filter, real_sz); + actual_filter_sz = spec_filter_size(kern_spec_mask, + kern_filter_sz, + ib_filter_sz); + if (actual_filter_sz <= 0) + return -EINVAL; + ib_spec->esp.size = sizeof(struct ib_flow_spec_esp); + memcpy(&ib_spec->esp.val, kern_spec_val, actual_filter_sz); + memcpy(&ib_spec->esp.mask, kern_spec_mask, actual_filter_sz); + break; default: return -EINVAL; } return 0; } -static int kern_spec_to_ib_spec(struct ib_uverbs_flow_spec *kern_spec, - union ib_flow_spec *ib_spec) +static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec, + union ib_flow_spec *ib_spec) +{ + ssize_t kern_filter_sz; + void *kern_spec_mask; + void *kern_spec_val; + + if (kern_spec->reserved) + return -EINVAL; + + kern_filter_sz = kern_spec_filter_sz(&kern_spec->hdr); + + kern_spec_val = (void *)kern_spec + + sizeof(struct ib_uverbs_flow_spec_hdr); + kern_spec_mask = kern_spec_val + kern_filter_sz; + + return ib_uverbs_kern_spec_to_ib_spec_filter(kern_spec->type, + kern_spec_mask, + kern_spec_val, + kern_filter_sz, ib_spec); +} + +static int kern_spec_to_ib_spec(struct ib_ucontext *ucontext, + struct ib_uverbs_flow_spec *kern_spec, + union ib_flow_spec *ib_spec, + struct ib_uflow_resources *uflow_res) { if (kern_spec->reserved) return -EINVAL; if (kern_spec->type >= IB_FLOW_SPEC_ACTION_TAG) - return kern_spec_to_ib_spec_action(kern_spec, ib_spec); + return kern_spec_to_ib_spec_action(ucontext, kern_spec, ib_spec, + uflow_res); else return kern_spec_to_ib_spec_filter(kern_spec, ib_spec); } @@ -2925,18 +3022,18 @@ int ib_uverbs_ex_create_wq(struct ib_uverbs_file *file, if (cmd.comp_mask) return -EOPNOTSUPP; - obj = (struct ib_uwq_object *)uobj_alloc(uobj_get_type(wq), + obj = (struct ib_uwq_object *)uobj_alloc(UVERBS_OBJECT_WQ, file->ucontext); if (IS_ERR(obj)) return PTR_ERR(obj); - pd = uobj_get_obj_read(pd, cmd.pd_handle, file->ucontext); + pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext); if (!pd) { err = -EINVAL; goto err_uobj; } - cq = uobj_get_obj_read(cq, cmd.cq_handle, file->ucontext); + cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext); if (!cq) { err = -EINVAL; goto err_put_pd; @@ -3040,7 +3137,7 @@ int ib_uverbs_ex_destroy_wq(struct ib_uverbs_file *file, return -EOPNOTSUPP; resp.response_length = required_resp_len; - uobj = uobj_get_write(uobj_get_type(wq), cmd.wq_handle, + uobj = uobj_get_write(UVERBS_OBJECT_WQ, cmd.wq_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -3091,7 +3188,7 @@ int ib_uverbs_ex_modify_wq(struct ib_uverbs_file *file, if (cmd.attr_mask > (IB_WQ_STATE | IB_WQ_CUR_STATE | IB_WQ_FLAGS)) return -EINVAL; - wq = uobj_get_obj_read(wq, cmd.wq_handle, file->ucontext); + wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ, cmd.wq_handle, file->ucontext); if (!wq) return -EINVAL; @@ -3185,7 +3282,7 @@ int ib_uverbs_ex_create_rwq_ind_table(struct ib_uverbs_file *file, for (num_read_wqs = 0; num_read_wqs < num_wq_handles; num_read_wqs++) { - wq = uobj_get_obj_read(wq, wqs_handles[num_read_wqs], + wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ, wqs_handles[num_read_wqs], file->ucontext); if (!wq) { err = -EINVAL; @@ -3195,7 +3292,7 @@ int ib_uverbs_ex_create_rwq_ind_table(struct ib_uverbs_file *file, wqs[num_read_wqs] = wq; } - uobj = uobj_alloc(uobj_get_type(rwq_ind_table), file->ucontext); + uobj = uobj_alloc(UVERBS_OBJECT_RWQ_IND_TBL, file->ucontext); if (IS_ERR(uobj)) { err = PTR_ERR(uobj); goto put_wqs; @@ -3282,7 +3379,7 @@ int ib_uverbs_ex_destroy_rwq_ind_table(struct ib_uverbs_file *file, if (cmd.comp_mask) return -EOPNOTSUPP; - uobj = uobj_get_write(uobj_get_type(rwq_ind_table), cmd.ind_tbl_handle, + uobj = uobj_get_write(UVERBS_OBJECT_RWQ_IND_TBL, cmd.ind_tbl_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -3298,10 +3395,12 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, struct ib_uverbs_create_flow cmd; struct ib_uverbs_create_flow_resp resp; struct ib_uobject *uobj; + struct ib_uflow_object *uflow; struct ib_flow *flow_id; struct ib_uverbs_flow_attr *kern_flow_attr; struct ib_flow_attr *flow_attr; struct ib_qp *qp; + struct ib_uflow_resources *uflow_res; int err = 0; void *kern_spec; void *ib_spec; @@ -3361,13 +3460,13 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, kern_flow_attr = &cmd.flow_attr; } - uobj = uobj_alloc(uobj_get_type(flow), file->ucontext); + uobj = uobj_alloc(UVERBS_OBJECT_FLOW, file->ucontext); if (IS_ERR(uobj)) { err = PTR_ERR(uobj); goto err_free_attr; } - qp = uobj_get_obj_read(qp, cmd.qp_handle, file->ucontext); + qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext); if (!qp) { err = -EINVAL; goto err_uobj; @@ -3379,6 +3478,11 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, err = -ENOMEM; goto err_put; } + uflow_res = flow_resources_alloc(cmd.flow_attr.num_of_specs); + if (!uflow_res) { + err = -ENOMEM; + goto err_free_flow_attr; + } flow_attr->type = kern_flow_attr->type; flow_attr->priority = kern_flow_attr->priority; @@ -3393,7 +3497,8 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, cmd.flow_attr.size > offsetof(struct ib_uverbs_flow_spec, reserved) && cmd.flow_attr.size >= ((struct ib_uverbs_flow_spec *)kern_spec)->size; i++) { - err = kern_spec_to_ib_spec(kern_spec, ib_spec); + err = kern_spec_to_ib_spec(file->ucontext, kern_spec, ib_spec, + uflow_res); if (err) goto err_free; flow_attr->size += @@ -3415,6 +3520,8 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, } flow_id->uobject = uobj; uobj->object = flow_id; + uflow = container_of(uobj, typeof(*uflow), uobject); + uflow->resources = uflow_res; memset(&resp, 0, sizeof(resp)); resp.flow_handle = uobj->id; @@ -3433,6 +3540,8 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, err_copy: ib_destroy_flow(flow_id); err_free: + ib_uverbs_flow_resources_free(uflow_res); +err_free_flow_attr: kfree(flow_attr); err_put: uobj_put_obj_read(qp); @@ -3463,7 +3572,7 @@ int ib_uverbs_ex_destroy_flow(struct ib_uverbs_file *file, if (cmd.comp_mask) return -EINVAL; - uobj = uobj_get_write(uobj_get_type(flow), cmd.flow_handle, + uobj = uobj_get_write(UVERBS_OBJECT_FLOW, cmd.flow_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -3485,7 +3594,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, struct ib_srq_init_attr attr; int ret; - obj = (struct ib_usrq_object *)uobj_alloc(uobj_get_type(srq), + obj = (struct ib_usrq_object *)uobj_alloc(UVERBS_OBJECT_SRQ, file->ucontext); if (IS_ERR(obj)) return PTR_ERR(obj); @@ -3494,7 +3603,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, attr.ext.tag_matching.max_num_tags = cmd->max_num_tags; if (cmd->srq_type == IB_SRQT_XRC) { - xrcd_uobj = uobj_get_read(uobj_get_type(xrcd), cmd->xrcd_handle, + xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd->xrcd_handle, file->ucontext); if (IS_ERR(xrcd_uobj)) { ret = -EINVAL; @@ -3512,7 +3621,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, } if (ib_srq_has_cq(cmd->srq_type)) { - attr.ext.cq = uobj_get_obj_read(cq, cmd->cq_handle, + attr.ext.cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd->cq_handle, file->ucontext); if (!attr.ext.cq) { ret = -EINVAL; @@ -3520,7 +3629,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, } } - pd = uobj_get_obj_read(pd, cmd->pd_handle, file->ucontext); + pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle, file->ucontext); if (!pd) { ret = -EINVAL; goto err_put_cq; @@ -3572,7 +3681,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, if (cmd->srq_type == IB_SRQT_XRC) resp.srqn = srq->ext.xrc.srq_num; - if (copy_to_user((void __user *) (unsigned long) cmd->response, + if (copy_to_user(u64_to_user_ptr(cmd->response), &resp, sizeof resp)) { ret = -EFAULT; goto err_copy; @@ -3692,7 +3801,7 @@ ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file, ib_uverbs_init_udata(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, out_len); - srq = uobj_get_obj_read(srq, cmd.srq_handle, file->ucontext); + srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file->ucontext); if (!srq) return -EINVAL; @@ -3723,7 +3832,7 @@ ssize_t ib_uverbs_query_srq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - srq = uobj_get_obj_read(srq, cmd.srq_handle, file->ucontext); + srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file->ucontext); if (!srq) return -EINVAL; @@ -3760,7 +3869,7 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - uobj = uobj_get_write(uobj_get_type(srq), cmd.srq_handle, + uobj = uobj_get_write(UVERBS_OBJECT_SRQ, cmd.srq_handle, file->ucontext); if (IS_ERR(uobj)) return PTR_ERR(uobj); @@ -3897,6 +4006,12 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, resp.cq_moderation_caps.max_cq_moderation_period = attr.cq_caps.max_cq_moderation_period; resp.response_length += sizeof(resp.cq_moderation_caps); + + if (ucore->outlen < resp.response_length + sizeof(resp.max_dm_size)) + goto end; + + resp.max_dm_size = attr.max_dm_size; + resp.response_length += sizeof(resp.max_dm_size); end: err = ib_copy_to_udata(ucore, &resp, resp.response_length); return err; @@ -3933,7 +4048,7 @@ int ib_uverbs_ex_modify_cq(struct ib_uverbs_file *file, if (cmd.attr_mask > IB_CQ_MODERATE) return -EOPNOTSUPP; - cq = uobj_get_obj_read(cq, cmd.cq_handle, file->ucontext); + cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext); if (!cq) return -EINVAL; diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c index 339b85145044..8c93970dc8f1 100644 --- a/drivers/infiniband/core/uverbs_ioctl.c +++ b/drivers/infiniband/core/uverbs_ioctl.c @@ -35,6 +35,17 @@ #include "rdma_core.h" #include "uverbs.h" +static bool uverbs_is_attr_cleared(const struct ib_uverbs_attr *uattr, + u16 len) +{ + if (uattr->len > sizeof(((struct ib_uverbs_attr *)0)->data)) + return ib_is_buffer_cleared(u64_to_user_ptr(uattr->data) + len, + uattr->len - len); + + return !memchr_inv((const void *)&uattr->data + len, + 0, uattr->len - len); +} + static int uverbs_process_attr(struct ib_device *ibdev, struct ib_ucontext *ucontext, const struct ib_uverbs_attr *uattr, @@ -44,14 +55,12 @@ static int uverbs_process_attr(struct ib_device *ibdev, struct ib_uverbs_attr __user *uattr_ptr) { const struct uverbs_attr_spec *spec; + const struct uverbs_attr_spec *val_spec; struct uverbs_attr *e; const struct uverbs_object_spec *object; struct uverbs_obj_attr *o_attr; struct uverbs_attr *elements = attr_bundle_h->attrs; - if (uattr->reserved) - return -EINVAL; - if (attr_id >= attr_spec_bucket->num_attrs) { if (uattr->flags & UVERBS_ATTR_F_MANDATORY) return -EINVAL; @@ -63,15 +72,46 @@ static int uverbs_process_attr(struct ib_device *ibdev, return -EINVAL; spec = &attr_spec_bucket->attrs[attr_id]; + val_spec = spec; e = &elements[attr_id]; e->uattr = uattr_ptr; switch (spec->type) { + case UVERBS_ATTR_TYPE_ENUM_IN: + if (uattr->attr_data.enum_data.elem_id >= spec->enum_def.num_elems) + return -EOPNOTSUPP; + + if (uattr->attr_data.enum_data.reserved) + return -EINVAL; + + val_spec = &spec->enum_def.ids[uattr->attr_data.enum_data.elem_id]; + + /* Currently we only support PTR_IN based enums */ + if (val_spec->type != UVERBS_ATTR_TYPE_PTR_IN) + return -EOPNOTSUPP; + + e->ptr_attr.enum_id = uattr->attr_data.enum_data.elem_id; + /* fall through */ case UVERBS_ATTR_TYPE_PTR_IN: + /* Ensure that any data provided by userspace beyond the known + * struct is zero. Userspace that knows how to use some future + * longer struct will fail here if used with an old kernel and + * non-zero content, making ABI compat/discovery simpler. + */ + if (uattr->len > val_spec->ptr.len && + val_spec->flags & UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO && + !uverbs_is_attr_cleared(uattr, val_spec->ptr.len)) + return -EOPNOTSUPP; + + /* fall through */ case UVERBS_ATTR_TYPE_PTR_OUT: - if (uattr->len < spec->len || - (!(spec->flags & UVERBS_ATTR_SPEC_F_MIN_SZ) && - uattr->len > spec->len)) + if (uattr->len < val_spec->ptr.min_len || + (!(val_spec->flags & UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO) && + uattr->len > val_spec->ptr.len)) + return -EINVAL; + + if (spec->type != UVERBS_ATTR_TYPE_ENUM_IN && + uattr->attr_data.reserved) return -EINVAL; e->ptr_attr.data = uattr->data; @@ -84,6 +124,9 @@ static int uverbs_process_attr(struct ib_device *ibdev, return -EINVAL; /* fall through */ case UVERBS_ATTR_TYPE_FD: + if (uattr->attr_data.reserved) + return -EINVAL; + if (uattr->len != 0 || !ucontext || uattr->data > INT_MAX) return -EINVAL; @@ -246,6 +289,9 @@ static long ib_uverbs_cmd_verbs(struct ib_device *ib_dev, size_t ctx_size; uintptr_t data[UVERBS_OPTIMIZE_USING_STACK_SZ / sizeof(uintptr_t)]; + if (hdr->driver_id != ib_dev->driver_id) + return -EINVAL; + object_spec = uverbs_get_object(ib_dev, hdr->object_id); if (!object_spec) return -EPROTONOSUPPORT; @@ -350,7 +396,7 @@ long ib_uverbs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) goto out; } - if (hdr.reserved) { + if (hdr.reserved1 || hdr.reserved2) { err = -EPROTONOSUPPORT; goto out; } diff --git a/drivers/infiniband/core/uverbs_ioctl_merge.c b/drivers/infiniband/core/uverbs_ioctl_merge.c index 62e1eb1d2a28..0f88a1919d51 100644 --- a/drivers/infiniband/core/uverbs_ioctl_merge.c +++ b/drivers/infiniband/core/uverbs_ioctl_merge.c @@ -379,7 +379,7 @@ static struct uverbs_method_spec *build_method_with_attrs(const struct uverbs_me "ib_uverbs: Tried to merge attr (%d) but it's an object with new/destroy access but isn't mandatory\n", min_id) || WARN(IS_ATTR_OBJECT(attr) && - attr->flags & UVERBS_ATTR_SPEC_F_MIN_SZ, + attr->flags & UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO, "ib_uverbs: Tried to merge attr (%d) but it's an object with min_sz flag\n", min_id)) { res = -EINVAL; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index b1ca223aa380..4445d8ee9314 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -468,7 +468,7 @@ void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq_context) return; } - entry = kmalloc(sizeof *entry, GFP_ATOMIC); + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) { spin_unlock_irqrestore(&ev_queue->lock, flags); return; @@ -501,7 +501,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file, return; } - entry = kmalloc(sizeof *entry, GFP_ATOMIC); + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) { spin_unlock_irqrestore(&file->async_file->ev_queue.lock, flags); return; @@ -635,39 +635,87 @@ err_put_refs: return filp; } -static int verify_command_mask(struct ib_device *ib_dev, __u32 command) +static bool verify_command_mask(struct ib_device *ib_dev, + u32 command, bool extended) { - u64 mask; + if (!extended) + return ib_dev->uverbs_cmd_mask & BIT_ULL(command); - if (command <= IB_USER_VERBS_CMD_OPEN_QP) - mask = ib_dev->uverbs_cmd_mask; - else - mask = ib_dev->uverbs_ex_cmd_mask; - - if (mask & ((u64)1 << command)) - return 0; - - return -1; + return ib_dev->uverbs_ex_cmd_mask & BIT_ULL(command); } static bool verify_command_idx(u32 command, bool extended) { if (extended) - return command < ARRAY_SIZE(uverbs_ex_cmd_table); + return command < ARRAY_SIZE(uverbs_ex_cmd_table) && + uverbs_ex_cmd_table[command]; + + return command < ARRAY_SIZE(uverbs_cmd_table) && + uverbs_cmd_table[command]; +} + +static ssize_t process_hdr(struct ib_uverbs_cmd_hdr *hdr, + u32 *command, bool *extended) +{ + if (hdr->command & ~(u32)(IB_USER_VERBS_CMD_FLAG_EXTENDED | + IB_USER_VERBS_CMD_COMMAND_MASK)) + return -EINVAL; + + *command = hdr->command & IB_USER_VERBS_CMD_COMMAND_MASK; + *extended = hdr->command & IB_USER_VERBS_CMD_FLAG_EXTENDED; + + if (!verify_command_idx(*command, *extended)) + return -EOPNOTSUPP; + + return 0; +} + +static ssize_t verify_hdr(struct ib_uverbs_cmd_hdr *hdr, + struct ib_uverbs_ex_cmd_hdr *ex_hdr, + size_t count, bool extended) +{ + if (extended) { + count -= sizeof(*hdr) + sizeof(*ex_hdr); + + if ((hdr->in_words + ex_hdr->provider_in_words) * 8 != count) + return -EINVAL; + + if (ex_hdr->cmd_hdr_reserved) + return -EINVAL; - return command < ARRAY_SIZE(uverbs_cmd_table); + if (ex_hdr->response) { + if (!hdr->out_words && !ex_hdr->provider_out_words) + return -EINVAL; + + if (!access_ok(VERIFY_WRITE, + u64_to_user_ptr(ex_hdr->response), + (hdr->out_words + ex_hdr->provider_out_words) * 8)) + return -EFAULT; + } else { + if (hdr->out_words || ex_hdr->provider_out_words) + return -EINVAL; + } + + return 0; + } + + /* not extended command */ + if (hdr->in_words * 4 != count) + return -EINVAL; + + return 0; } static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, size_t count, loff_t *pos) { struct ib_uverbs_file *file = filp->private_data; + struct ib_uverbs_ex_cmd_hdr ex_hdr; struct ib_device *ib_dev; struct ib_uverbs_cmd_hdr hdr; - bool extended_command; - __u32 command; - __u32 flags; + bool extended; int srcu_key; + u32 command; ssize_t ret; if (!ib_safe_file_access(filp)) { @@ -676,12 +724,31 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, return -EACCES; } - if (count < sizeof hdr) + if (count < sizeof(hdr)) return -EINVAL; - if (copy_from_user(&hdr, buf, sizeof hdr)) + if (copy_from_user(&hdr, buf, sizeof(hdr))) return -EFAULT; + ret = process_hdr(&hdr, &command, &extended); + if (ret) + return ret; + + if (!file->ucontext && + (command != IB_USER_VERBS_CMD_GET_CONTEXT || extended)) + return -EINVAL; + + if (extended) { + if (count < (sizeof(hdr) + sizeof(ex_hdr))) + return -EINVAL; + if (copy_from_user(&ex_hdr, buf + sizeof(hdr), sizeof(ex_hdr))) + return -EFAULT; + } + + ret = verify_hdr(&hdr, &ex_hdr, count, extended); + if (ret) + return ret; + srcu_key = srcu_read_lock(&file->device->disassociate_srcu); ib_dev = srcu_dereference(file->device->ib_dev, &file->device->disassociate_srcu); @@ -690,106 +757,22 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, goto out; } - if (hdr.command & ~(__u32)(IB_USER_VERBS_CMD_FLAGS_MASK | - IB_USER_VERBS_CMD_COMMAND_MASK)) { - ret = -EINVAL; - goto out; - } - - command = hdr.command & IB_USER_VERBS_CMD_COMMAND_MASK; - flags = (hdr.command & - IB_USER_VERBS_CMD_FLAGS_MASK) >> IB_USER_VERBS_CMD_FLAGS_SHIFT; - - extended_command = flags & IB_USER_VERBS_CMD_FLAG_EXTENDED; - if (!verify_command_idx(command, extended_command)) { - ret = -EINVAL; - goto out; - } - - if (verify_command_mask(ib_dev, command)) { + if (!verify_command_mask(ib_dev, command, extended)) { ret = -EOPNOTSUPP; goto out; } - if (!file->ucontext && - command != IB_USER_VERBS_CMD_GET_CONTEXT) { - ret = -EINVAL; - goto out; - } - - if (!flags) { - if (!uverbs_cmd_table[command]) { - ret = -EINVAL; - goto out; - } - - if (hdr.in_words * 4 != count) { - ret = -EINVAL; - goto out; - } + buf += sizeof(hdr); - ret = uverbs_cmd_table[command](file, ib_dev, - buf + sizeof(hdr), - hdr.in_words * 4, - hdr.out_words * 4); - - } else if (flags == IB_USER_VERBS_CMD_FLAG_EXTENDED) { - struct ib_uverbs_ex_cmd_hdr ex_hdr; + if (!extended) { + ret = uverbs_cmd_table[command](file, ib_dev, buf, + hdr.in_words * 4, + hdr.out_words * 4); + } else { struct ib_udata ucore; struct ib_udata uhw; - size_t written_count = count; - if (!uverbs_ex_cmd_table[command]) { - ret = -ENOSYS; - goto out; - } - - if (!file->ucontext) { - ret = -EINVAL; - goto out; - } - - if (count < (sizeof(hdr) + sizeof(ex_hdr))) { - ret = -EINVAL; - goto out; - } - - if (copy_from_user(&ex_hdr, buf + sizeof(hdr), sizeof(ex_hdr))) { - ret = -EFAULT; - goto out; - } - - count -= sizeof(hdr) + sizeof(ex_hdr); - buf += sizeof(hdr) + sizeof(ex_hdr); - - if ((hdr.in_words + ex_hdr.provider_in_words) * 8 != count) { - ret = -EINVAL; - goto out; - } - - if (ex_hdr.cmd_hdr_reserved) { - ret = -EINVAL; - goto out; - } - - if (ex_hdr.response) { - if (!hdr.out_words && !ex_hdr.provider_out_words) { - ret = -EINVAL; - goto out; - } - - if (!access_ok(VERIFY_WRITE, - u64_to_user_ptr(ex_hdr.response), - (hdr.out_words + ex_hdr.provider_out_words) * 8)) { - ret = -EFAULT; - goto out; - } - } else { - if (hdr.out_words || ex_hdr.provider_out_words) { - ret = -EINVAL; - goto out; - } - } + buf += sizeof(ex_hdr); ib_uverbs_init_udata_buf_or_null(&ucore, buf, u64_to_user_ptr(ex_hdr.response), @@ -802,10 +785,7 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, ex_hdr.provider_out_words * 8); ret = uverbs_ex_cmd_table[command](file, ib_dev, &ucore, &uhw); - if (!ret) - ret = written_count; - } else { - ret = -ENOSYS; + ret = (ret) ? : count; } out: @@ -953,10 +933,8 @@ static const struct file_operations uverbs_fops = { .open = ib_uverbs_open, .release = ib_uverbs_close, .llseek = no_llseek, -#if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS) .unlocked_ioctl = ib_uverbs_ioctl, .compat_ioctl = ib_uverbs_ioctl, -#endif }; static const struct file_operations uverbs_mmap_fops = { @@ -966,10 +944,8 @@ static const struct file_operations uverbs_mmap_fops = { .open = ib_uverbs_open, .release = ib_uverbs_close, .llseek = no_llseek, -#if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS) .unlocked_ioctl = ib_uverbs_ioctl, .compat_ioctl = ib_uverbs_ioctl, -#endif }; static struct ib_client uverbs_client = { @@ -1032,7 +1008,7 @@ static void ib_uverbs_add_one(struct ib_device *device) if (!device->alloc_ucontext) return; - uverbs_dev = kzalloc(sizeof *uverbs_dev, GFP_KERNEL); + uverbs_dev = kzalloc(sizeof(*uverbs_dev), GFP_KERNEL); if (!uverbs_dev) return; diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index df1360e6774f..569f48bd821e 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -48,7 +48,16 @@ static int uverbs_free_ah(struct ib_uobject *uobject, static int uverbs_free_flow(struct ib_uobject *uobject, enum rdma_remove_reason why) { - return ib_destroy_flow((struct ib_flow *)uobject->object); + int ret; + struct ib_flow *flow = (struct ib_flow *)uobject->object; + struct ib_uflow_object *uflow = + container_of(uobject, struct ib_uflow_object, uobject); + + ret = ib_destroy_flow(flow); + if (!ret) + ib_uverbs_flow_resources_free(uflow->resources); + + return ret; } static int uverbs_free_mw(struct ib_uobject *uobject, @@ -135,31 +144,6 @@ static int uverbs_free_srq(struct ib_uobject *uobject, return ret; } -static int uverbs_free_cq(struct ib_uobject *uobject, - enum rdma_remove_reason why) -{ - struct ib_cq *cq = uobject->object; - struct ib_uverbs_event_queue *ev_queue = cq->cq_context; - struct ib_ucq_object *ucq = - container_of(uobject, struct ib_ucq_object, uobject); - int ret; - - ret = ib_destroy_cq(cq); - if (!ret || why != RDMA_REMOVE_DESTROY) - ib_uverbs_release_ucq(uobject->context->ufile, ev_queue ? - container_of(ev_queue, - struct ib_uverbs_completion_event_file, - ev_queue) : NULL, - ucq); - return ret; -} - -static int uverbs_free_mr(struct ib_uobject *uobject, - enum rdma_remove_reason why) -{ - return ib_dereg_mr((struct ib_mr *)uobject->object); -} - static int uverbs_free_xrcd(struct ib_uobject *uobject, enum rdma_remove_reason why) { @@ -210,18 +194,26 @@ static int uverbs_hot_unplug_completion_event_file(struct ib_uobject_file *uobj_ return 0; }; +int uverbs_destroy_def_handler(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs) +{ + return 0; +} + /* * This spec is used in order to pass information to the hardware driver in a * legacy way. Every verb that could get driver specific data should get this * spec. */ -static const struct uverbs_attr_def uverbs_uhw_compat_in = - UVERBS_ATTR_PTR_IN_SZ(UVERBS_UHW_IN, 0, UA_FLAGS(UVERBS_ATTR_SPEC_F_MIN_SZ)); -static const struct uverbs_attr_def uverbs_uhw_compat_out = - UVERBS_ATTR_PTR_OUT_SZ(UVERBS_UHW_OUT, 0, UA_FLAGS(UVERBS_ATTR_SPEC_F_MIN_SZ)); - -static void create_udata(struct uverbs_attr_bundle *ctx, - struct ib_udata *udata) +const struct uverbs_attr_def uverbs_uhw_compat_in = + UVERBS_ATTR_PTR_IN_SZ(UVERBS_ATTR_UHW_IN, UVERBS_ATTR_SIZE(0, USHRT_MAX), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO)); +const struct uverbs_attr_def uverbs_uhw_compat_out = + UVERBS_ATTR_PTR_OUT_SZ(UVERBS_ATTR_UHW_OUT, UVERBS_ATTR_SIZE(0, USHRT_MAX), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO)); + +void create_udata(struct uverbs_attr_bundle *ctx, struct ib_udata *udata) { /* * This is for ease of conversion. The purpose is to convert all drivers @@ -229,9 +221,9 @@ static void create_udata(struct uverbs_attr_bundle *ctx, * Assume attr == 0 is input and attr == 1 is output. */ const struct uverbs_attr *uhw_in = - uverbs_attr_get(ctx, UVERBS_UHW_IN); + uverbs_attr_get(ctx, UVERBS_ATTR_UHW_IN); const struct uverbs_attr *uhw_out = - uverbs_attr_get(ctx, UVERBS_UHW_OUT); + uverbs_attr_get(ctx, UVERBS_ATTR_UHW_OUT); if (!IS_ERR(uhw_in)) { udata->inlen = uhw_in->ptr_attr.len; @@ -253,207 +245,67 @@ static void create_udata(struct uverbs_attr_bundle *ctx, } } -static int uverbs_create_cq_handler(struct ib_device *ib_dev, - struct ib_uverbs_file *file, - struct uverbs_attr_bundle *attrs) +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_COMP_CHANNEL, + &UVERBS_TYPE_ALLOC_FD(0, + sizeof(struct ib_uverbs_completion_event_file), + uverbs_hot_unplug_completion_event_file, + &uverbs_event_fops, + "[infinibandevent]", O_RDONLY)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_QP, + &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uqp_object), 0, + uverbs_free_qp)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_MW, + &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_mw)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_SRQ, + &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_usrq_object), 0, + uverbs_free_srq)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_AH, + &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_ah)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_FLOW, + &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uflow_object), + 0, uverbs_free_flow)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_WQ, + &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uwq_object), 0, + uverbs_free_wq)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_RWQ_IND_TBL, + &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_rwq_ind_tbl)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_XRCD, + &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uxrcd_object), 0, + uverbs_free_xrcd)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_PD, + /* 2 is used in order to free the PD after MRs */ + &UVERBS_TYPE_ALLOC_IDR(2, uverbs_free_pd)); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_DEVICE, NULL); + +static DECLARE_UVERBS_OBJECT_TREE(uverbs_default_objects, + &UVERBS_OBJECT(UVERBS_OBJECT_DEVICE), + &UVERBS_OBJECT(UVERBS_OBJECT_PD), + &UVERBS_OBJECT(UVERBS_OBJECT_MR), + &UVERBS_OBJECT(UVERBS_OBJECT_COMP_CHANNEL), + &UVERBS_OBJECT(UVERBS_OBJECT_CQ), + &UVERBS_OBJECT(UVERBS_OBJECT_QP), + &UVERBS_OBJECT(UVERBS_OBJECT_AH), + &UVERBS_OBJECT(UVERBS_OBJECT_MW), + &UVERBS_OBJECT(UVERBS_OBJECT_SRQ), + &UVERBS_OBJECT(UVERBS_OBJECT_FLOW), + &UVERBS_OBJECT(UVERBS_OBJECT_WQ), + &UVERBS_OBJECT(UVERBS_OBJECT_RWQ_IND_TBL), + &UVERBS_OBJECT(UVERBS_OBJECT_XRCD), + &UVERBS_OBJECT(UVERBS_OBJECT_FLOW_ACTION), + &UVERBS_OBJECT(UVERBS_OBJECT_DM)); + +const struct uverbs_object_tree_def *uverbs_default_get_objects(void) { - struct ib_ucontext *ucontext = file->ucontext; - struct ib_ucq_object *obj; - struct ib_udata uhw; - int ret; - u64 user_handle; - struct ib_cq_init_attr attr = {}; - struct ib_cq *cq; - struct ib_uverbs_completion_event_file *ev_file = NULL; - const struct uverbs_attr *ev_file_attr; - struct ib_uobject *ev_file_uobj; - - if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_CREATE_CQ)) - return -EOPNOTSUPP; - - ret = uverbs_copy_from(&attr.comp_vector, attrs, CREATE_CQ_COMP_VECTOR); - if (!ret) - ret = uverbs_copy_from(&attr.cqe, attrs, CREATE_CQ_CQE); - if (!ret) - ret = uverbs_copy_from(&user_handle, attrs, CREATE_CQ_USER_HANDLE); - if (ret) - return ret; - - /* Optional param, if it doesn't exist, we get -ENOENT and skip it */ - if (uverbs_copy_from(&attr.flags, attrs, CREATE_CQ_FLAGS) == -EFAULT) - return -EFAULT; - - ev_file_attr = uverbs_attr_get(attrs, CREATE_CQ_COMP_CHANNEL); - if (!IS_ERR(ev_file_attr)) { - ev_file_uobj = ev_file_attr->obj_attr.uobject; - - ev_file = container_of(ev_file_uobj, - struct ib_uverbs_completion_event_file, - uobj_file.uobj); - uverbs_uobject_get(ev_file_uobj); - } - - if (attr.comp_vector >= ucontext->ufile->device->num_comp_vectors) { - ret = -EINVAL; - goto err_event_file; - } - - obj = container_of(uverbs_attr_get(attrs, CREATE_CQ_HANDLE)->obj_attr.uobject, - typeof(*obj), uobject); - obj->uverbs_file = ucontext->ufile; - obj->comp_events_reported = 0; - obj->async_events_reported = 0; - INIT_LIST_HEAD(&obj->comp_list); - INIT_LIST_HEAD(&obj->async_list); - - /* Temporary, only until drivers get the new uverbs_attr_bundle */ - create_udata(attrs, &uhw); - - cq = ib_dev->create_cq(ib_dev, &attr, ucontext, &uhw); - if (IS_ERR(cq)) { - ret = PTR_ERR(cq); - goto err_event_file; - } - - cq->device = ib_dev; - cq->uobject = &obj->uobject; - cq->comp_handler = ib_uverbs_comp_handler; - cq->event_handler = ib_uverbs_cq_event_handler; - cq->cq_context = ev_file ? &ev_file->ev_queue : NULL; - obj->uobject.object = cq; - obj->uobject.user_handle = user_handle; - atomic_set(&cq->usecnt, 0); - cq->res.type = RDMA_RESTRACK_CQ; - rdma_restrack_add(&cq->res); - - ret = uverbs_copy_to(attrs, CREATE_CQ_RESP_CQE, &cq->cqe, - sizeof(cq->cqe)); - if (ret) - goto err_cq; - - return 0; -err_cq: - ib_destroy_cq(cq); - -err_event_file: - if (ev_file) - uverbs_uobject_put(ev_file_uobj); - return ret; -}; - -static DECLARE_UVERBS_METHOD( - uverbs_method_cq_create, UVERBS_CQ_CREATE, uverbs_create_cq_handler, - &UVERBS_ATTR_IDR(CREATE_CQ_HANDLE, UVERBS_OBJECT_CQ, UVERBS_ACCESS_NEW, - UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), - &UVERBS_ATTR_PTR_IN(CREATE_CQ_CQE, u32, - UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), - &UVERBS_ATTR_PTR_IN(CREATE_CQ_USER_HANDLE, u64, - UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), - &UVERBS_ATTR_FD(CREATE_CQ_COMP_CHANNEL, UVERBS_OBJECT_COMP_CHANNEL, - UVERBS_ACCESS_READ), - &UVERBS_ATTR_PTR_IN(CREATE_CQ_COMP_VECTOR, u32, - UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), - &UVERBS_ATTR_PTR_IN(CREATE_CQ_FLAGS, u32), - &UVERBS_ATTR_PTR_OUT(CREATE_CQ_RESP_CQE, u32, - UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), - &uverbs_uhw_compat_in, &uverbs_uhw_compat_out); - -static int uverbs_destroy_cq_handler(struct ib_device *ib_dev, - struct ib_uverbs_file *file, - struct uverbs_attr_bundle *attrs) -{ - struct ib_uverbs_destroy_cq_resp resp; - struct ib_uobject *uobj = - uverbs_attr_get(attrs, DESTROY_CQ_HANDLE)->obj_attr.uobject; - struct ib_ucq_object *obj = container_of(uobj, struct ib_ucq_object, - uobject); - int ret; - - if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_DESTROY_CQ)) - return -EOPNOTSUPP; - - ret = rdma_explicit_destroy(uobj); - if (ret) - return ret; - - resp.comp_events_reported = obj->comp_events_reported; - resp.async_events_reported = obj->async_events_reported; - - return uverbs_copy_to(attrs, DESTROY_CQ_RESP, &resp, sizeof(resp)); + return &uverbs_default_objects; } - -static DECLARE_UVERBS_METHOD( - uverbs_method_cq_destroy, UVERBS_CQ_DESTROY, uverbs_destroy_cq_handler, - &UVERBS_ATTR_IDR(DESTROY_CQ_HANDLE, UVERBS_OBJECT_CQ, - UVERBS_ACCESS_DESTROY, - UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), - &UVERBS_ATTR_PTR_OUT(DESTROY_CQ_RESP, struct ib_uverbs_destroy_cq_resp, - UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); - -DECLARE_UVERBS_OBJECT(uverbs_object_comp_channel, - UVERBS_OBJECT_COMP_CHANNEL, - &UVERBS_TYPE_ALLOC_FD(0, - sizeof(struct ib_uverbs_completion_event_file), - uverbs_hot_unplug_completion_event_file, - &uverbs_event_fops, - "[infinibandevent]", O_RDONLY)); - -DECLARE_UVERBS_OBJECT(uverbs_object_cq, UVERBS_OBJECT_CQ, - &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_ucq_object), 0, - uverbs_free_cq), - &uverbs_method_cq_create, - &uverbs_method_cq_destroy); - -DECLARE_UVERBS_OBJECT(uverbs_object_qp, UVERBS_OBJECT_QP, - &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uqp_object), 0, - uverbs_free_qp)); - -DECLARE_UVERBS_OBJECT(uverbs_object_mw, UVERBS_OBJECT_MW, - &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_mw)); - -DECLARE_UVERBS_OBJECT(uverbs_object_mr, UVERBS_OBJECT_MR, - /* 1 is used in order to free the MR after all the MWs */ - &UVERBS_TYPE_ALLOC_IDR(1, uverbs_free_mr)); - -DECLARE_UVERBS_OBJECT(uverbs_object_srq, UVERBS_OBJECT_SRQ, - &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_usrq_object), 0, - uverbs_free_srq)); - -DECLARE_UVERBS_OBJECT(uverbs_object_ah, UVERBS_OBJECT_AH, - &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_ah)); - -DECLARE_UVERBS_OBJECT(uverbs_object_flow, UVERBS_OBJECT_FLOW, - &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_flow)); - -DECLARE_UVERBS_OBJECT(uverbs_object_wq, UVERBS_OBJECT_WQ, - &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uwq_object), 0, - uverbs_free_wq)); - -DECLARE_UVERBS_OBJECT(uverbs_object_rwq_ind_table, - UVERBS_OBJECT_RWQ_IND_TBL, - &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_rwq_ind_tbl)); - -DECLARE_UVERBS_OBJECT(uverbs_object_xrcd, UVERBS_OBJECT_XRCD, - &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uxrcd_object), 0, - uverbs_free_xrcd)); - -DECLARE_UVERBS_OBJECT(uverbs_object_pd, UVERBS_OBJECT_PD, - /* 2 is used in order to free the PD after MRs */ - &UVERBS_TYPE_ALLOC_IDR(2, uverbs_free_pd)); - -DECLARE_UVERBS_OBJECT(uverbs_object_device, UVERBS_OBJECT_DEVICE, NULL); - -DECLARE_UVERBS_OBJECT_TREE(uverbs_default_objects, - &uverbs_object_device, - &uverbs_object_pd, - &uverbs_object_mr, - &uverbs_object_comp_channel, - &uverbs_object_cq, - &uverbs_object_qp, - &uverbs_object_ah, - &uverbs_object_mw, - &uverbs_object_srq, - &uverbs_object_flow, - &uverbs_object_wq, - &uverbs_object_rwq_ind_table, - &uverbs_object_xrcd); +EXPORT_SYMBOL_GPL(uverbs_default_get_objects); diff --git a/drivers/infiniband/core/uverbs_std_types_cq.c b/drivers/infiniband/core/uverbs_std_types_cq.c new file mode 100644 index 000000000000..b0dbae9dd0d7 --- /dev/null +++ b/drivers/infiniband/core/uverbs_std_types_cq.c @@ -0,0 +1,210 @@ +/* + * Copyright (c) 2017, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <rdma/uverbs_std_types.h> +#include "rdma_core.h" +#include "uverbs.h" + +static int uverbs_free_cq(struct ib_uobject *uobject, + enum rdma_remove_reason why) +{ + struct ib_cq *cq = uobject->object; + struct ib_uverbs_event_queue *ev_queue = cq->cq_context; + struct ib_ucq_object *ucq = + container_of(uobject, struct ib_ucq_object, uobject); + int ret; + + ret = ib_destroy_cq(cq); + if (!ret || why != RDMA_REMOVE_DESTROY) + ib_uverbs_release_ucq(uobject->context->ufile, ev_queue ? + container_of(ev_queue, + struct ib_uverbs_completion_event_file, + ev_queue) : NULL, + ucq); + return ret; +} + +static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs) +{ + struct ib_ucontext *ucontext = file->ucontext; + struct ib_ucq_object *obj; + struct ib_udata uhw; + int ret; + u64 user_handle; + struct ib_cq_init_attr attr = {}; + struct ib_cq *cq; + struct ib_uverbs_completion_event_file *ev_file = NULL; + const struct uverbs_attr *ev_file_attr; + struct ib_uobject *ev_file_uobj; + + if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_CREATE_CQ)) + return -EOPNOTSUPP; + + ret = uverbs_copy_from(&attr.comp_vector, attrs, + UVERBS_ATTR_CREATE_CQ_COMP_VECTOR); + if (!ret) + ret = uverbs_copy_from(&attr.cqe, attrs, + UVERBS_ATTR_CREATE_CQ_CQE); + if (!ret) + ret = uverbs_copy_from(&user_handle, attrs, + UVERBS_ATTR_CREATE_CQ_USER_HANDLE); + if (ret) + return ret; + + /* Optional param, if it doesn't exist, we get -ENOENT and skip it */ + if (IS_UVERBS_COPY_ERR(uverbs_copy_from(&attr.flags, attrs, + UVERBS_ATTR_CREATE_CQ_FLAGS))) + return -EFAULT; + + ev_file_attr = uverbs_attr_get(attrs, UVERBS_ATTR_CREATE_CQ_COMP_CHANNEL); + if (!IS_ERR(ev_file_attr)) { + ev_file_uobj = ev_file_attr->obj_attr.uobject; + + ev_file = container_of(ev_file_uobj, + struct ib_uverbs_completion_event_file, + uobj_file.uobj); + uverbs_uobject_get(ev_file_uobj); + } + + if (attr.comp_vector >= ucontext->ufile->device->num_comp_vectors) { + ret = -EINVAL; + goto err_event_file; + } + + obj = container_of(uverbs_attr_get(attrs, + UVERBS_ATTR_CREATE_CQ_HANDLE)->obj_attr.uobject, + typeof(*obj), uobject); + obj->uverbs_file = ucontext->ufile; + obj->comp_events_reported = 0; + obj->async_events_reported = 0; + INIT_LIST_HEAD(&obj->comp_list); + INIT_LIST_HEAD(&obj->async_list); + + /* Temporary, only until drivers get the new uverbs_attr_bundle */ + create_udata(attrs, &uhw); + + cq = ib_dev->create_cq(ib_dev, &attr, ucontext, &uhw); + if (IS_ERR(cq)) { + ret = PTR_ERR(cq); + goto err_event_file; + } + + cq->device = ib_dev; + cq->uobject = &obj->uobject; + cq->comp_handler = ib_uverbs_comp_handler; + cq->event_handler = ib_uverbs_cq_event_handler; + cq->cq_context = ev_file ? &ev_file->ev_queue : NULL; + obj->uobject.object = cq; + obj->uobject.user_handle = user_handle; + atomic_set(&cq->usecnt, 0); + cq->res.type = RDMA_RESTRACK_CQ; + rdma_restrack_add(&cq->res); + + ret = uverbs_copy_to(attrs, UVERBS_ATTR_CREATE_CQ_RESP_CQE, &cq->cqe, + sizeof(cq->cqe)); + if (ret) + goto err_cq; + + return 0; +err_cq: + ib_destroy_cq(cq); + +err_event_file: + if (ev_file) + uverbs_uobject_put(ev_file_uobj); + return ret; +}; + +static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_CQ_CREATE, + &UVERBS_ATTR_IDR(UVERBS_ATTR_CREATE_CQ_HANDLE, UVERBS_OBJECT_CQ, + UVERBS_ACCESS_NEW, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_CREATE_CQ_CQE, + UVERBS_ATTR_TYPE(u32), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_CREATE_CQ_USER_HANDLE, + UVERBS_ATTR_TYPE(u64), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_FD(UVERBS_ATTR_CREATE_CQ_COMP_CHANNEL, + UVERBS_OBJECT_COMP_CHANNEL, + UVERBS_ACCESS_READ), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_CREATE_CQ_COMP_VECTOR, UVERBS_ATTR_TYPE(u32), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_CREATE_CQ_FLAGS, UVERBS_ATTR_TYPE(u32)), + &UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_CREATE_CQ_RESP_CQE, UVERBS_ATTR_TYPE(u32), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &uverbs_uhw_compat_in, &uverbs_uhw_compat_out); + +static int UVERBS_HANDLER(UVERBS_METHOD_CQ_DESTROY)(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs) +{ + struct ib_uverbs_destroy_cq_resp resp; + struct ib_uobject *uobj = + uverbs_attr_get(attrs, UVERBS_ATTR_DESTROY_CQ_HANDLE)->obj_attr.uobject; + struct ib_ucq_object *obj = container_of(uobj, struct ib_ucq_object, + uobject); + int ret; + + if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_DESTROY_CQ)) + return -EOPNOTSUPP; + + ret = rdma_explicit_destroy(uobj); + if (ret) + return ret; + + resp.comp_events_reported = obj->comp_events_reported; + resp.async_events_reported = obj->async_events_reported; + + return uverbs_copy_to(attrs, UVERBS_ATTR_DESTROY_CQ_RESP, &resp, + sizeof(resp)); +} + +static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_CQ_DESTROY, + &UVERBS_ATTR_IDR(UVERBS_ATTR_DESTROY_CQ_HANDLE, UVERBS_OBJECT_CQ, + UVERBS_ACCESS_DESTROY, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_DESTROY_CQ_RESP, + UVERBS_ATTR_TYPE(struct ib_uverbs_destroy_cq_resp), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_CQ, + &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_ucq_object), 0, + uverbs_free_cq), +#if IS_ENABLED(CONFIG_INFINIBAND_EXP_LEGACY_VERBS_NEW_UAPI) + &UVERBS_METHOD(UVERBS_METHOD_CQ_CREATE), + &UVERBS_METHOD(UVERBS_METHOD_CQ_DESTROY) +#endif + ); + diff --git a/drivers/infiniband/core/uverbs_std_types_dm.c b/drivers/infiniband/core/uverbs_std_types_dm.c new file mode 100644 index 000000000000..8b681575b615 --- /dev/null +++ b/drivers/infiniband/core/uverbs_std_types_dm.c @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "uverbs.h" +#include <rdma/uverbs_std_types.h> + +static int uverbs_free_dm(struct ib_uobject *uobject, + enum rdma_remove_reason why) +{ + struct ib_dm *dm = uobject->object; + + if (why == RDMA_REMOVE_DESTROY && atomic_read(&dm->usecnt)) + return -EBUSY; + + return dm->device->dealloc_dm(dm); +} + +static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs) +{ + struct ib_ucontext *ucontext = file->ucontext; + struct ib_dm_alloc_attr attr = {}; + struct ib_uobject *uobj; + struct ib_dm *dm; + int ret; + + if (!ib_dev->alloc_dm) + return -EOPNOTSUPP; + + ret = uverbs_copy_from(&attr.length, attrs, + UVERBS_ATTR_ALLOC_DM_LENGTH); + if (ret) + return ret; + + ret = uverbs_copy_from(&attr.alignment, attrs, + UVERBS_ATTR_ALLOC_DM_ALIGNMENT); + if (ret) + return ret; + + uobj = uverbs_attr_get(attrs, UVERBS_ATTR_ALLOC_DM_HANDLE)->obj_attr.uobject; + + dm = ib_dev->alloc_dm(ib_dev, ucontext, &attr, attrs); + if (IS_ERR(dm)) + return PTR_ERR(dm); + + dm->device = ib_dev; + dm->length = attr.length; + dm->uobject = uobj; + atomic_set(&dm->usecnt, 0); + + uobj->object = dm; + + return 0; +} + +static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_DM_ALLOC, + &UVERBS_ATTR_IDR(UVERBS_ATTR_ALLOC_DM_HANDLE, UVERBS_OBJECT_DM, + UVERBS_ACCESS_NEW, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_ALLOC_DM_LENGTH, + UVERBS_ATTR_TYPE(u64), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_ALLOC_DM_ALIGNMENT, + UVERBS_ATTR_TYPE(u32), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); + +static DECLARE_UVERBS_NAMED_METHOD_WITH_HANDLER(UVERBS_METHOD_DM_FREE, + uverbs_destroy_def_handler, + &UVERBS_ATTR_IDR(UVERBS_ATTR_FREE_DM_HANDLE, + UVERBS_OBJECT_DM, + UVERBS_ACCESS_DESTROY, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_DM, + /* 1 is used in order to free the DM after MRs */ + &UVERBS_TYPE_ALLOC_IDR(1, uverbs_free_dm), + &UVERBS_METHOD(UVERBS_METHOD_DM_ALLOC), + &UVERBS_METHOD(UVERBS_METHOD_DM_FREE)); diff --git a/drivers/infiniband/core/uverbs_std_types_flow_action.c b/drivers/infiniband/core/uverbs_std_types_flow_action.c new file mode 100644 index 000000000000..cbcec3da12f6 --- /dev/null +++ b/drivers/infiniband/core/uverbs_std_types_flow_action.c @@ -0,0 +1,435 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "uverbs.h" +#include <rdma/uverbs_std_types.h> + +static int uverbs_free_flow_action(struct ib_uobject *uobject, + enum rdma_remove_reason why) +{ + struct ib_flow_action *action = uobject->object; + + if (why == RDMA_REMOVE_DESTROY && + atomic_read(&action->usecnt)) + return -EBUSY; + + return action->device->destroy_flow_action(action); +} + +static u64 esp_flags_uverbs_to_verbs(struct uverbs_attr_bundle *attrs, + u32 flags, bool is_modify) +{ + u64 verbs_flags = flags; + + if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_ESN)) + verbs_flags |= IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED; + + if (is_modify && uverbs_attr_is_valid(attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS)) + verbs_flags |= IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS; + + return verbs_flags; +}; + +static int validate_flow_action_esp_keymat_aes_gcm(struct ib_flow_action_attrs_esp_keymats *keymat) +{ + struct ib_uverbs_flow_action_esp_keymat_aes_gcm *aes_gcm = + &keymat->keymat.aes_gcm; + + if (aes_gcm->iv_algo > IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ) + return -EOPNOTSUPP; + + if (aes_gcm->key_len != 32 && + aes_gcm->key_len != 24 && + aes_gcm->key_len != 16) + return -EINVAL; + + if (aes_gcm->icv_len != 16 && + aes_gcm->icv_len != 8 && + aes_gcm->icv_len != 12) + return -EINVAL; + + return 0; +} + +static int (* const flow_action_esp_keymat_validate[])(struct ib_flow_action_attrs_esp_keymats *keymat) = { + [IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM] = validate_flow_action_esp_keymat_aes_gcm, +}; + +static int flow_action_esp_replay_none(struct ib_flow_action_attrs_esp_replays *replay, + bool is_modify) +{ + /* This is used in order to modify an esp flow action with an enabled + * replay protection to a disabled one. This is only supported via + * modify, as in create verb we can simply drop the REPLAY attribute and + * achieve the same thing. + */ + return is_modify ? 0 : -EINVAL; +} + +static int flow_action_esp_replay_def_ok(struct ib_flow_action_attrs_esp_replays *replay, + bool is_modify) +{ + /* Some replay protections could always be enabled without validating + * anything. + */ + return 0; +} + +static int (* const flow_action_esp_replay_validate[])(struct ib_flow_action_attrs_esp_replays *replay, + bool is_modify) = { + [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_NONE] = flow_action_esp_replay_none, + [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_BMP] = flow_action_esp_replay_def_ok, +}; + +static int parse_esp_ip(enum ib_flow_spec_type proto, + const void __user *val_ptr, + size_t len, union ib_flow_spec *out) +{ + int ret; + const struct ib_uverbs_flow_ipv4_filter ipv4 = { + .src_ip = cpu_to_be32(0xffffffffUL), + .dst_ip = cpu_to_be32(0xffffffffUL), + .proto = 0xff, + .tos = 0xff, + .ttl = 0xff, + .flags = 0xff, + }; + const struct ib_uverbs_flow_ipv6_filter ipv6 = { + .src_ip = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + .dst_ip = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + .flow_label = cpu_to_be32(0xffffffffUL), + .next_hdr = 0xff, + .traffic_class = 0xff, + .hop_limit = 0xff, + }; + union { + struct ib_uverbs_flow_ipv4_filter ipv4; + struct ib_uverbs_flow_ipv6_filter ipv6; + } user_val = {}; + const void *user_pmask; + size_t val_len; + + /* If the flow IPv4/IPv6 flow specifications are extended, the mask + * should be changed as well. + */ + BUILD_BUG_ON(offsetof(struct ib_uverbs_flow_ipv4_filter, flags) + + sizeof(ipv4.flags) != sizeof(ipv4)); + BUILD_BUG_ON(offsetof(struct ib_uverbs_flow_ipv6_filter, reserved) + + sizeof(ipv6.reserved) != sizeof(ipv6)); + + switch (proto) { + case IB_FLOW_SPEC_IPV4: + if (len > sizeof(user_val.ipv4) && + !ib_is_buffer_cleared(val_ptr + sizeof(user_val.ipv4), + len - sizeof(user_val.ipv4))) + return -EOPNOTSUPP; + + val_len = min_t(size_t, len, sizeof(user_val.ipv4)); + ret = copy_from_user(&user_val.ipv4, val_ptr, + val_len); + if (ret) + return -EFAULT; + + user_pmask = &ipv4; + break; + case IB_FLOW_SPEC_IPV6: + if (len > sizeof(user_val.ipv6) && + !ib_is_buffer_cleared(val_ptr + sizeof(user_val.ipv6), + len - sizeof(user_val.ipv6))) + return -EOPNOTSUPP; + + val_len = min_t(size_t, len, sizeof(user_val.ipv6)); + ret = copy_from_user(&user_val.ipv6, val_ptr, + val_len); + if (ret) + return -EFAULT; + + user_pmask = &ipv6; + break; + default: + return -EOPNOTSUPP; + } + + return ib_uverbs_kern_spec_to_ib_spec_filter(proto, user_pmask, + &user_val, + val_len, out); +} + +static int flow_action_esp_get_encap(struct ib_flow_spec_list *out, + struct uverbs_attr_bundle *attrs) +{ + struct ib_uverbs_flow_action_esp_encap uverbs_encap; + int ret; + + ret = uverbs_copy_from(&uverbs_encap, attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP); + if (ret) + return ret; + + /* We currently support only one encap */ + if (uverbs_encap.next_ptr) + return -EOPNOTSUPP; + + if (uverbs_encap.type != IB_FLOW_SPEC_IPV4 && + uverbs_encap.type != IB_FLOW_SPEC_IPV6) + return -EOPNOTSUPP; + + return parse_esp_ip(uverbs_encap.type, + u64_to_user_ptr(uverbs_encap.val_ptr), + uverbs_encap.len, + &out->spec); +} + +struct ib_flow_action_esp_attr { + struct ib_flow_action_attrs_esp hdr; + struct ib_flow_action_attrs_esp_keymats keymat; + struct ib_flow_action_attrs_esp_replays replay; + /* We currently support only one spec */ + struct ib_flow_spec_list encap; +}; + +#define ESP_LAST_SUPPORTED_FLAG IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW +static int parse_flow_action_esp(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs, + struct ib_flow_action_esp_attr *esp_attr, + bool is_modify) +{ + struct ib_uverbs_flow_action_esp uverbs_esp = {}; + int ret; + + /* Optional param, if it doesn't exist, we get -ENOENT and skip it */ + ret = uverbs_copy_from(&esp_attr->hdr.esn, attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_ESN); + if (IS_UVERBS_COPY_ERR(ret)) + return ret; + + /* This can be called from FLOW_ACTION_ESP_MODIFY where + * UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS is optional + */ + if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS)) { + ret = uverbs_copy_from_or_zero(&uverbs_esp, attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS); + if (ret) + return ret; + + if (uverbs_esp.flags & ~((ESP_LAST_SUPPORTED_FLAG << 1) - 1)) + return -EOPNOTSUPP; + + esp_attr->hdr.spi = uverbs_esp.spi; + esp_attr->hdr.seq = uverbs_esp.seq; + esp_attr->hdr.tfc_pad = uverbs_esp.tfc_pad; + esp_attr->hdr.hard_limit_pkts = uverbs_esp.hard_limit_pkts; + } + esp_attr->hdr.flags = esp_flags_uverbs_to_verbs(attrs, uverbs_esp.flags, + is_modify); + + if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT)) { + esp_attr->keymat.protocol = + uverbs_attr_get_enum_id(attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT); + ret = uverbs_copy_from_or_zero(&esp_attr->keymat.keymat, + attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT); + if (ret) + return ret; + + ret = flow_action_esp_keymat_validate[esp_attr->keymat.protocol](&esp_attr->keymat); + if (ret) + return ret; + + esp_attr->hdr.keymat = &esp_attr->keymat; + } + + if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY)) { + esp_attr->replay.protocol = + uverbs_attr_get_enum_id(attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY); + + ret = uverbs_copy_from_or_zero(&esp_attr->replay.replay, + attrs, + UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY); + if (ret) + return ret; + + ret = flow_action_esp_replay_validate[esp_attr->replay.protocol](&esp_attr->replay, + is_modify); + if (ret) + return ret; + + esp_attr->hdr.replay = &esp_attr->replay; + } + + if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP)) { + ret = flow_action_esp_get_encap(&esp_attr->encap, attrs); + if (ret) + return ret; + + esp_attr->hdr.encap = &esp_attr->encap; + } + + return 0; +} + +static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs) +{ + int ret; + struct ib_uobject *uobj; + struct ib_flow_action *action; + struct ib_flow_action_esp_attr esp_attr = {}; + + if (!ib_dev->create_flow_action_esp) + return -EOPNOTSUPP; + + ret = parse_flow_action_esp(ib_dev, file, attrs, &esp_attr, false); + if (ret) + return ret; + + /* No need to check as this attribute is marked as MANDATORY */ + uobj = uverbs_attr_get(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE)->obj_attr.uobject; + action = ib_dev->create_flow_action_esp(ib_dev, &esp_attr.hdr, attrs); + if (IS_ERR(action)) + return PTR_ERR(action); + + atomic_set(&action->usecnt, 0); + action->device = ib_dev; + action->type = IB_FLOW_ACTION_ESP; + action->uobject = uobj; + uobj->object = action; + + return 0; +} + +static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs) +{ + int ret; + struct ib_uobject *uobj; + struct ib_flow_action *action; + struct ib_flow_action_esp_attr esp_attr = {}; + + if (!ib_dev->modify_flow_action_esp) + return -EOPNOTSUPP; + + ret = parse_flow_action_esp(ib_dev, file, attrs, &esp_attr, true); + if (ret) + return ret; + + uobj = uverbs_attr_get(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE)->obj_attr.uobject; + action = uobj->object; + + if (action->type != IB_FLOW_ACTION_ESP) + return -EINVAL; + + return ib_dev->modify_flow_action_esp(action, + &esp_attr.hdr, + attrs); +} + +static const struct uverbs_attr_spec uverbs_flow_action_esp_keymat[] = { + [IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM] = { + .ptr = { + .type = UVERBS_ATTR_TYPE_PTR_IN, + UVERBS_ATTR_TYPE(struct ib_uverbs_flow_action_esp_keymat_aes_gcm), + .flags = UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO, + }, + }, +}; + +static const struct uverbs_attr_spec uverbs_flow_action_esp_replay[] = { + [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_NONE] = { + .ptr = { + .type = UVERBS_ATTR_TYPE_PTR_IN, + /* No need to specify any data */ + .len = 0, + } + }, + [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_BMP] = { + .ptr = { + .type = UVERBS_ATTR_TYPE_PTR_IN, + UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp_replay_bmp, size), + .flags = UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO, + } + }, +}; + +static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE, + &UVERBS_ATTR_IDR(UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE, UVERBS_OBJECT_FLOW_ACTION, + UVERBS_ACCESS_NEW, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS, + UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp, hard_limit_pkts), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY | + UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ESN, UVERBS_ATTR_TYPE(__u32)), + &UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT, + uverbs_flow_action_esp_keymat, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY, + uverbs_flow_action_esp_replay), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP, + UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp_encap, type))); + +static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY, + &UVERBS_ATTR_IDR(UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE, UVERBS_OBJECT_FLOW_ACTION, + UVERBS_ACCESS_WRITE, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS, + UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp, hard_limit_pkts), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ESN, UVERBS_ATTR_TYPE(__u32)), + &UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT, + uverbs_flow_action_esp_keymat), + &UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY, + uverbs_flow_action_esp_replay), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP, + UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp_encap, type))); + +static DECLARE_UVERBS_NAMED_METHOD_WITH_HANDLER(UVERBS_METHOD_FLOW_ACTION_DESTROY, + uverbs_destroy_def_handler, + &UVERBS_ATTR_IDR(UVERBS_ATTR_DESTROY_FLOW_ACTION_HANDLE, + UVERBS_OBJECT_FLOW_ACTION, + UVERBS_ACCESS_DESTROY, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_FLOW_ACTION, + &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_flow_action), + &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE), + &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_DESTROY), + &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)); + diff --git a/drivers/infiniband/core/uverbs_std_types_mr.c b/drivers/infiniband/core/uverbs_std_types_mr.c new file mode 100644 index 000000000000..68f7cadf088f --- /dev/null +++ b/drivers/infiniband/core/uverbs_std_types_mr.c @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "uverbs.h" +#include <rdma/uverbs_std_types.h> + +static int uverbs_free_mr(struct ib_uobject *uobject, + enum rdma_remove_reason why) +{ + return ib_dereg_mr((struct ib_mr *)uobject->object); +} + +static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)(struct ib_device *ib_dev, + struct ib_uverbs_file *file, + struct uverbs_attr_bundle *attrs) +{ + struct ib_dm_mr_attr attr = {}; + struct ib_uobject *uobj; + struct ib_dm *dm; + struct ib_pd *pd; + struct ib_mr *mr; + int ret; + + if (!ib_dev->reg_dm_mr) + return -EOPNOTSUPP; + + ret = uverbs_copy_from(&attr.offset, attrs, UVERBS_ATTR_REG_DM_MR_OFFSET); + if (ret) + return ret; + + ret = uverbs_copy_from(&attr.length, attrs, + UVERBS_ATTR_REG_DM_MR_LENGTH); + if (ret) + return ret; + + ret = uverbs_copy_from(&attr.access_flags, attrs, + UVERBS_ATTR_REG_DM_MR_ACCESS_FLAGS); + if (ret) + return ret; + + if (!(attr.access_flags & IB_ZERO_BASED)) + return -EINVAL; + + ret = ib_check_mr_access(attr.access_flags); + if (ret) + return ret; + + pd = uverbs_attr_get_obj(attrs, UVERBS_ATTR_REG_DM_MR_PD_HANDLE); + + dm = uverbs_attr_get_obj(attrs, UVERBS_ATTR_REG_DM_MR_DM_HANDLE); + + uobj = uverbs_attr_get(attrs, UVERBS_ATTR_REG_DM_MR_HANDLE)->obj_attr.uobject; + + if (attr.offset > dm->length || attr.length > dm->length || + attr.length > dm->length - attr.offset) + return -EINVAL; + + mr = pd->device->reg_dm_mr(pd, dm, &attr, attrs); + if (IS_ERR(mr)) + return PTR_ERR(mr); + + mr->device = pd->device; + mr->pd = pd; + mr->dm = dm; + mr->uobject = uobj; + atomic_inc(&pd->usecnt); + atomic_inc(&dm->usecnt); + + uobj->object = mr; + + ret = uverbs_copy_to(attrs, UVERBS_ATTR_REG_DM_MR_RESP_LKEY, &mr->lkey, + sizeof(mr->lkey)); + if (ret) + goto err_dereg; + + ret = uverbs_copy_to(attrs, UVERBS_ATTR_REG_DM_MR_RESP_RKEY, + &mr->rkey, sizeof(mr->rkey)); + if (ret) + goto err_dereg; + + return 0; + +err_dereg: + ib_dereg_mr(mr); + + return ret; +} + +static DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_DM_MR_REG, + &UVERBS_ATTR_IDR(UVERBS_ATTR_REG_DM_MR_HANDLE, UVERBS_OBJECT_MR, + UVERBS_ACCESS_NEW, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_REG_DM_MR_OFFSET, + UVERBS_ATTR_TYPE(u64), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_REG_DM_MR_LENGTH, + UVERBS_ATTR_TYPE(u64), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_IDR(UVERBS_ATTR_REG_DM_MR_PD_HANDLE, UVERBS_OBJECT_PD, + UVERBS_ACCESS_READ, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_IN(UVERBS_ATTR_REG_DM_MR_ACCESS_FLAGS, + UVERBS_ATTR_TYPE(u32), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_IDR(UVERBS_ATTR_REG_DM_MR_DM_HANDLE, UVERBS_OBJECT_DM, + UVERBS_ACCESS_READ, + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_REG_DM_MR_RESP_LKEY, + UVERBS_ATTR_TYPE(u32), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_REG_DM_MR_RESP_RKEY, + UVERBS_ATTR_TYPE(u32), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); + +DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_MR, + /* 1 is used in order to free the MR after all the MWs */ + &UVERBS_TYPE_ALLOC_IDR(1, uverbs_free_mr), + &UVERBS_METHOD(UVERBS_METHOD_DM_MR_REG)); diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 93025d2009b8..7eff3aeffe01 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -655,7 +655,7 @@ int rdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr) return ah->device->modify_ah ? ah->device->modify_ah(ah, ah_attr) : - -ENOSYS; + -EOPNOTSUPP; } EXPORT_SYMBOL(rdma_modify_ah); @@ -663,7 +663,7 @@ int rdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr) { return ah->device->query_ah ? ah->device->query_ah(ah, ah_attr) : - -ENOSYS; + -EOPNOTSUPP; } EXPORT_SYMBOL(rdma_query_ah); @@ -689,7 +689,7 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd, struct ib_srq *srq; if (!pd->device->create_srq) - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); srq = pd->device->create_srq(pd, srq_init_attr, NULL); @@ -722,7 +722,7 @@ int ib_modify_srq(struct ib_srq *srq, { return srq->device->modify_srq ? srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL) : - -ENOSYS; + -EOPNOTSUPP; } EXPORT_SYMBOL(ib_modify_srq); @@ -730,7 +730,7 @@ int ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr) { return srq->device->query_srq ? - srq->device->query_srq(srq, srq_attr) : -ENOSYS; + srq->device->query_srq(srq, srq_attr) : -EOPNOTSUPP; } EXPORT_SYMBOL(ib_query_srq); @@ -1263,34 +1263,30 @@ static const struct { } }; -int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, - enum ib_qp_type type, enum ib_qp_attr_mask mask, - enum rdma_link_layer ll) +bool ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, + enum ib_qp_type type, enum ib_qp_attr_mask mask, + enum rdma_link_layer ll) { enum ib_qp_attr_mask req_param, opt_param; - if (cur_state < 0 || cur_state > IB_QPS_ERR || - next_state < 0 || next_state > IB_QPS_ERR) - return 0; - if (mask & IB_QP_CUR_STATE && cur_state != IB_QPS_RTR && cur_state != IB_QPS_RTS && cur_state != IB_QPS_SQD && cur_state != IB_QPS_SQE) - return 0; + return false; if (!qp_state_table[cur_state][next_state].valid) - return 0; + return false; req_param = qp_state_table[cur_state][next_state].req_param[type]; opt_param = qp_state_table[cur_state][next_state].opt_param[type]; if ((mask & req_param) != req_param) - return 0; + return false; if (mask & ~(req_param | opt_param | IB_QP_STATE)) - return 0; + return false; - return 1; + return true; } EXPORT_SYMBOL(ib_modify_qp_is_ok); @@ -1457,7 +1453,7 @@ int ib_query_qp(struct ib_qp *qp, { return qp->device->query_qp ? qp->device->query_qp(qp->real_qp, qp_attr, qp_attr_mask, qp_init_attr) : - -ENOSYS; + -EOPNOTSUPP; } EXPORT_SYMBOL(ib_query_qp); @@ -1594,7 +1590,7 @@ EXPORT_SYMBOL(ib_create_cq); int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period) { return cq->device->modify_cq ? - cq->device->modify_cq(cq, cq_count, cq_period) : -ENOSYS; + cq->device->modify_cq(cq, cq_count, cq_period) : -EOPNOTSUPP; } EXPORT_SYMBOL(rdma_set_cq_moderation); @@ -1611,7 +1607,7 @@ EXPORT_SYMBOL(ib_destroy_cq); int ib_resize_cq(struct ib_cq *cq, int cqe) { return cq->device->resize_cq ? - cq->device->resize_cq(cq, cqe, NULL) : -ENOSYS; + cq->device->resize_cq(cq, cqe, NULL) : -EOPNOTSUPP; } EXPORT_SYMBOL(ib_resize_cq); @@ -1620,11 +1616,16 @@ EXPORT_SYMBOL(ib_resize_cq); int ib_dereg_mr(struct ib_mr *mr) { struct ib_pd *pd = mr->pd; + struct ib_dm *dm = mr->dm; int ret; + rdma_restrack_del(&mr->res); ret = mr->device->dereg_mr(mr); - if (!ret) + if (!ret) { atomic_dec(&pd->usecnt); + if (dm) + atomic_dec(&dm->usecnt); + } return ret; } @@ -1649,7 +1650,7 @@ struct ib_mr *ib_alloc_mr(struct ib_pd *pd, struct ib_mr *mr; if (!pd->device->alloc_mr) - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); mr = pd->device->alloc_mr(pd, mr_type, max_num_sg); if (!IS_ERR(mr)) { @@ -1658,6 +1659,8 @@ struct ib_mr *ib_alloc_mr(struct ib_pd *pd, mr->uobject = NULL; atomic_inc(&pd->usecnt); mr->need_inval = false; + mr->res.type = RDMA_RESTRACK_MR; + rdma_restrack_add(&mr->res); } return mr; @@ -1673,7 +1676,7 @@ struct ib_fmr *ib_alloc_fmr(struct ib_pd *pd, struct ib_fmr *fmr; if (!pd->device->alloc_fmr) - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); fmr = pd->device->alloc_fmr(pd, mr_access_flags, fmr_attr); if (!IS_ERR(fmr)) { @@ -1757,7 +1760,7 @@ int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid) int ret; if (!qp->device->attach_mcast) - return -ENOSYS; + return -EOPNOTSUPP; if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) || qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid)) @@ -1775,7 +1778,7 @@ int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid) int ret; if (!qp->device->detach_mcast) - return -ENOSYS; + return -EOPNOTSUPP; if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) || qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid)) @@ -1793,7 +1796,7 @@ struct ib_xrcd *__ib_alloc_xrcd(struct ib_device *device, const char *caller) struct ib_xrcd *xrcd; if (!device->alloc_xrcd) - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); xrcd = device->alloc_xrcd(device, NULL, NULL); if (!IS_ERR(xrcd)) { @@ -1847,7 +1850,7 @@ struct ib_wq *ib_create_wq(struct ib_pd *pd, struct ib_wq *wq; if (!pd->device->create_wq) - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); wq = pd->device->create_wq(pd, wq_attr, NULL); if (!IS_ERR(wq)) { @@ -1902,7 +1905,7 @@ int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, int err; if (!wq->device->modify_wq) - return -ENOSYS; + return -EOPNOTSUPP; err = wq->device->modify_wq(wq, wq_attr, wq_attr_mask, NULL); return err; @@ -1927,7 +1930,7 @@ struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device, u32 table_size; if (!device->create_rwq_ind_table) - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); table_size = (1 << init_attr->log_ind_tbl_size); rwq_ind_table = device->create_rwq_ind_table(device, @@ -1977,7 +1980,7 @@ struct ib_flow *ib_create_flow(struct ib_qp *qp, { struct ib_flow *flow_id; if (!qp->device->create_flow) - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EOPNOTSUPP); flow_id = qp->device->create_flow(qp, flow_attr, domain); if (!IS_ERR(flow_id)) { @@ -2004,7 +2007,7 @@ int ib_check_mr_status(struct ib_mr *mr, u32 check_mask, struct ib_mr_status *mr_status) { return mr->device->check_mr_status ? - mr->device->check_mr_status(mr, check_mask, mr_status) : -ENOSYS; + mr->device->check_mr_status(mr, check_mask, mr_status) : -EOPNOTSUPP; } EXPORT_SYMBOL(ib_check_mr_status); @@ -2012,7 +2015,7 @@ int ib_set_vf_link_state(struct ib_device *device, int vf, u8 port, int state) { if (!device->set_vf_link_state) - return -ENOSYS; + return -EOPNOTSUPP; return device->set_vf_link_state(device, vf, port, state); } @@ -2022,7 +2025,7 @@ int ib_get_vf_config(struct ib_device *device, int vf, u8 port, struct ifla_vf_info *info) { if (!device->get_vf_config) - return -ENOSYS; + return -EOPNOTSUPP; return device->get_vf_config(device, vf, port, info); } @@ -2032,7 +2035,7 @@ int ib_get_vf_stats(struct ib_device *device, int vf, u8 port, struct ifla_vf_stats *stats) { if (!device->get_vf_stats) - return -ENOSYS; + return -EOPNOTSUPP; return device->get_vf_stats(device, vf, port, stats); } @@ -2042,7 +2045,7 @@ int ib_set_vf_guid(struct ib_device *device, int vf, u8 port, u64 guid, int type) { if (!device->set_vf_guid) - return -ENOSYS; + return -EOPNOTSUPP; return device->set_vf_guid(device, vf, port, guid, type); } @@ -2077,7 +2080,7 @@ int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset, unsigned int page_size) { if (unlikely(!mr->device->map_mr_sg)) - return -ENOSYS; + return -EOPNOTSUPP; mr->page_size = page_size; @@ -2194,7 +2197,14 @@ static void __ib_drain_sq(struct ib_qp *qp) struct ib_cq *cq = qp->send_cq; struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; struct ib_drain_cqe sdrain; - struct ib_send_wr swr = {}, *bad_swr; + struct ib_send_wr *bad_swr; + struct ib_rdma_wr swr = { + .wr = { + .next = NULL, + { .wr_cqe = &sdrain.cqe, }, + .opcode = IB_WR_RDMA_WRITE, + }, + }; int ret; ret = ib_modify_qp(qp, &attr, IB_QP_STATE); @@ -2203,11 +2213,10 @@ static void __ib_drain_sq(struct ib_qp *qp) return; } - swr.wr_cqe = &sdrain.cqe; sdrain.cqe.done = ib_drain_qp_done; init_completion(&sdrain.done); - ret = ib_post_send(qp, &swr, &bad_swr); + ret = ib_post_send(qp, &swr.wr, &bad_swr); if (ret) { WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); return; diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 8301d7e5fa8c..a76e206704d4 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -314,12 +314,11 @@ int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num, return rc; } -int bnxt_re_del_gid(struct ib_device *ibdev, u8 port_num, - unsigned int index, void **context) +int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context) { int rc = 0; struct bnxt_re_gid_ctx *ctx, **ctx_tbl; - struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev); + struct bnxt_re_dev *rdev = to_bnxt_re_dev(attr->device, ibdev); struct bnxt_qplib_sgid_tbl *sgid_tbl = &rdev->qplib_res.sgid_tbl; struct bnxt_qplib_gid *gid_to_del; @@ -365,15 +364,14 @@ int bnxt_re_del_gid(struct ib_device *ibdev, u8 port_num, return rc; } -int bnxt_re_add_gid(struct ib_device *ibdev, u8 port_num, - unsigned int index, const union ib_gid *gid, +int bnxt_re_add_gid(const union ib_gid *gid, const struct ib_gid_attr *attr, void **context) { int rc; u32 tbl_idx = 0; u16 vlan_id = 0xFFFF; struct bnxt_re_gid_ctx *ctx, **ctx_tbl; - struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev); + struct bnxt_re_dev *rdev = to_bnxt_re_dev(attr->device, ibdev); struct bnxt_qplib_sgid_tbl *sgid_tbl = &rdev->qplib_res.sgid_tbl; if ((attr->ndev) && is_vlan_dev(attr->ndev)) @@ -718,8 +716,7 @@ struct ib_ah *bnxt_re_create_ah(struct ib_pd *ib_pd, grh->sgid_index); goto fail; } - if (sgid_attr.ndev) - dev_put(sgid_attr.ndev); + dev_put(sgid_attr.ndev); /* Get network header type for this GID */ nw_type = ib_gid_to_network_type(sgid_attr.gid_type, &sgid); switch (nw_type) { @@ -1540,14 +1537,13 @@ int bnxt_re_post_srq_recv(struct ib_srq *ib_srq, struct ib_recv_wr *wr, ib_srq); struct bnxt_qplib_swqe wqe; unsigned long flags; - int rc = 0, payload_sz = 0; + int rc = 0; spin_lock_irqsave(&srq->lock, flags); while (wr) { /* Transcribe each ib_recv_wr to qplib_swqe */ wqe.num_sge = wr->num_sge; - payload_sz = bnxt_re_build_sgl(wr->sg_list, wqe.sg_list, - wr->num_sge); + bnxt_re_build_sgl(wr->sg_list, wqe.sg_list, wr->num_sge); wqe.wr_id = wr->wr_id; wqe.type = BNXT_QPLIB_SWQE_TYPE_RECV; @@ -1698,7 +1694,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr, status = ib_get_cached_gid(&rdev->ibdev, 1, grh->sgid_index, &sgid, &sgid_attr); - if (!status && sgid_attr.ndev) { + if (!status) { memcpy(qp->qplib_qp.smac, sgid_attr.ndev->dev_addr, ETH_ALEN); dev_put(sgid_attr.ndev); diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h index e62b7c2c7da6..5c6414cad4af 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h @@ -157,10 +157,8 @@ int bnxt_re_get_port_immutable(struct ib_device *ibdev, u8 port_num, void bnxt_re_query_fw_str(struct ib_device *ibdev, char *str); int bnxt_re_query_pkey(struct ib_device *ibdev, u8 port_num, u16 index, u16 *pkey); -int bnxt_re_del_gid(struct ib_device *ibdev, u8 port_num, - unsigned int index, void **context); -int bnxt_re_add_gid(struct ib_device *ibdev, u8 port_num, - unsigned int index, const union ib_gid *gid, +int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context); +int bnxt_re_add_gid(const union ib_gid *gid, const struct ib_gid_attr *attr, void **context); int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num, int index, union ib_gid *gid); diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index f6e361750466..f6c739ec8b62 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -574,7 +574,6 @@ static int bnxt_re_register_ib(struct bnxt_re_dev *rdev) ibdev->get_port_immutable = bnxt_re_get_port_immutable; ibdev->get_dev_fw_str = bnxt_re_query_fw_str; ibdev->query_pkey = bnxt_re_query_pkey; - ibdev->query_gid = bnxt_re_query_gid; ibdev->get_netdev = bnxt_re_get_netdev; ibdev->add_gid = bnxt_re_add_gid; ibdev->del_gid = bnxt_re_del_gid; @@ -619,6 +618,7 @@ static int bnxt_re_register_ib(struct bnxt_re_dev *rdev) ibdev->get_hw_stats = bnxt_re_ib_get_hw_stats; ibdev->alloc_hw_stats = bnxt_re_ib_alloc_hw_stats; + ibdev->driver_id = RDMA_DRIVER_BNXT_RE; return ib_register_device(ibdev, NULL); } diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index ee98e5efef84..2f3f32eaa1d5 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -154,7 +154,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); } - attr->is_atomic = 0; + attr->is_atomic = false; bail: bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); return rc; diff --git a/drivers/infiniband/hw/cxgb3/Kconfig b/drivers/infiniband/hw/cxgb3/Kconfig index 431be733fbbe..a7b77cb3d5d5 100644 --- a/drivers/infiniband/hw/cxgb3/Kconfig +++ b/drivers/infiniband/hw/cxgb3/Kconfig @@ -16,12 +16,3 @@ config INFINIBAND_CXGB3 To compile this driver as a module, choose M here: the module will be called iw_cxgb3. - -config INFINIBAND_CXGB3_DEBUG - bool "Verbose debugging output" - depends on INFINIBAND_CXGB3 - default n - ---help--- - This option causes the Chelsio RDMA driver to produce copious - amounts of debug messages. Select this if you are developing - the driver or trying to diagnose a problem. diff --git a/drivers/infiniband/hw/cxgb3/Makefile b/drivers/infiniband/hw/cxgb3/Makefile index 2c66d35d19bd..66fe0917aba0 100644 --- a/drivers/infiniband/hw/cxgb3/Makefile +++ b/drivers/infiniband/hw/cxgb3/Makefile @@ -5,5 +5,3 @@ obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o iw_cxgb3-y := iwch_cm.o iwch_ev.o iwch_cq.o iwch_qp.o iwch_mem.o \ iwch_provider.o iwch.o cxio_hal.o cxio_resource.o - -ccflags-$(CONFIG_INFINIBAND_CXGB3_DEBUG) += -DDEBUG diff --git a/drivers/infiniband/hw/cxgb3/cxio_dbg.c b/drivers/infiniband/hw/cxgb3/cxio_dbg.c deleted file mode 100644 index 97dbe728520a..000000000000 --- a/drivers/infiniband/hw/cxgb3/cxio_dbg.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright (c) 2006 Chelsio, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -#ifdef DEBUG -#include <linux/types.h> -#include <linux/slab.h> -#include "common.h" -#include "cxgb3_ioctl.h" -#include "cxio_hal.h" -#include "cxio_wr.h" - -void cxio_dump_tpt(struct cxio_rdev *rdev, u32 stag) -{ - struct ch_mem_range *m; - u64 *data; - int rc; - int size = 32; - - m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); - if (!m) - return; - - m->mem_id = MEM_PMRX; - m->addr = (stag>>8) * 32 + rdev->rnic_info.tpt_base; - m->len = size; - pr_debug("%s TPT addr 0x%x len %d\n", __func__, m->addr, m->len); - rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); - if (rc) { - pr_debug("%s toectl returned error %d\n", __func__, rc); - kfree(m); - return; - } - - data = (u64 *)m->buf; - while (size > 0) { - pr_debug("TPT %08x: %016llx\n", - m->addr, (unsigned long long)*data); - size -= 8; - data++; - m->addr += 8; - } - kfree(m); -} - -void cxio_dump_pbl(struct cxio_rdev *rdev, u32 pbl_addr, uint len, u8 shift) -{ - struct ch_mem_range *m; - u64 *data; - int rc; - int size, npages; - - shift += 12; - npages = (len + (1ULL << shift) - 1) >> shift; - size = npages * sizeof(u64); - - m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); - if (!m) - return; - - m->mem_id = MEM_PMRX; - m->addr = pbl_addr; - m->len = size; - pr_debug("%s PBL addr 0x%x len %d depth %d\n", - __func__, m->addr, m->len, npages); - rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); - if (rc) { - pr_debug("%s toectl returned error %d\n", __func__, rc); - kfree(m); - return; - } - - data = (u64 *)m->buf; - while (size > 0) { - pr_debug("PBL %08x: %016llx\n", - m->addr, (unsigned long long)*data); - size -= 8; - data++; - m->addr += 8; - } - kfree(m); -} - -void cxio_dump_wqe(union t3_wr *wqe) -{ - __be64 *data = (__be64 *)wqe; - uint size = (uint)(be64_to_cpu(*data) & 0xff); - - if (size == 0) - size = 8; - while (size > 0) { - pr_debug("WQE %p: %016llx\n", - data, (unsigned long long)be64_to_cpu(*data)); - size--; - data++; - } -} - -void cxio_dump_wce(struct t3_cqe *wce) -{ - __be64 *data = (__be64 *)wce; - int size = sizeof(*wce); - - while (size > 0) { - pr_debug("WCE %p: %016llx\n", - data, (unsigned long long)be64_to_cpu(*data)); - size -= 8; - data++; - } -} - -void cxio_dump_rqt(struct cxio_rdev *rdev, u32 hwtid, int nents) -{ - struct ch_mem_range *m; - int size = nents * 64; - u64 *data; - int rc; - - m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); - if (!m) - return; - - m->mem_id = MEM_PMRX; - m->addr = ((hwtid)<<10) + rdev->rnic_info.rqt_base; - m->len = size; - pr_debug("%s RQT addr 0x%x len %d\n", __func__, m->addr, m->len); - rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); - if (rc) { - pr_debug("%s toectl returned error %d\n", __func__, rc); - kfree(m); - return; - } - - data = (u64 *)m->buf; - while (size > 0) { - pr_debug("RQT %08x: %016llx\n", - m->addr, (unsigned long long)*data); - size -= 8; - data++; - m->addr += 8; - } - kfree(m); -} - -void cxio_dump_tcb(struct cxio_rdev *rdev, u32 hwtid) -{ - struct ch_mem_range *m; - int size = TCB_SIZE; - u32 *data; - int rc; - - m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); - if (!m) - return; - - m->mem_id = MEM_CM; - m->addr = hwtid * size; - m->len = size; - pr_debug("%s TCB %d len %d\n", __func__, m->addr, m->len); - rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); - if (rc) { - pr_debug("%s toectl returned error %d\n", __func__, rc); - kfree(m); - return; - } - - data = (u32 *)m->buf; - while (size > 0) { - printk("%2u: %08x %08x %08x %08x %08x %08x %08x %08x\n", - m->addr, - *(data+2), *(data+3), *(data),*(data+1), - *(data+6), *(data+7), *(data+4), *(data+5)); - size -= 32; - data += 8; - m->addr += 32; - } - kfree(m); -} -#endif diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h index 7e70c5492262..c64e50b5a548 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.h +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h @@ -202,13 +202,4 @@ int iwch_cxgb3_ofld_send(struct t3cdev *tdev, struct sk_buff *skb); #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -#ifdef DEBUG -void cxio_dump_tpt(struct cxio_rdev *rev, u32 stag); -void cxio_dump_pbl(struct cxio_rdev *rev, u32 pbl_addr, uint len, u8 shift); -void cxio_dump_wqe(union t3_wr *wqe); -void cxio_dump_wce(struct t3_cqe *wce); -void cxio_dump_rqt(struct cxio_rdev *rdev, u32 hwtid, int nents); -void cxio_dump_tcb(struct cxio_rdev *rdev, u32 hwtid); -#endif - #endif diff --git a/drivers/infiniband/hw/cxgb3/iwch_cq.c b/drivers/infiniband/hw/cxgb3/iwch_cq.c index dd5348e48806..0a8542c20804 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cq.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cq.c @@ -200,9 +200,6 @@ int iwch_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) spin_lock_irqsave(&chp->lock, flags); for (npolled = 0; npolled < num_entries; ++npolled) { -#ifdef DEBUG - int i=0; -#endif /* * Because T3 can post CQEs that are _not_ associated @@ -211,9 +208,6 @@ int iwch_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) */ do { err = iwch_poll_cq_one(rhp, chp, wc + npolled); -#ifdef DEBUG - BUG_ON(++i > 1000); -#endif } while (err == -EAGAIN); if (err <= 0) break; diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index a578ca559e11..be097c6723c0 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -440,7 +440,9 @@ static struct ib_pd *iwch_allocate_pd(struct ib_device *ibdev, php->pdid = pdid; php->rhp = rhp; if (context) { - if (ib_copy_to_udata(udata, &php->pdid, sizeof (__u32))) { + struct iwch_alloc_pd_resp resp = {.pdid = php->pdid}; + + if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { iwch_deallocate_pd(&php->ibpd); return ERR_PTR(-EFAULT); } @@ -1439,6 +1441,7 @@ int iwch_register_device(struct iwch_dev *dev) memcpy(dev->ibdev.iwcm->ifname, dev->rdev.t3cdev_p->lldev->name, sizeof(dev->ibdev.iwcm->ifname)); + dev->ibdev.driver_id = RDMA_DRIVER_CXGB3; ret = ib_register_device(&dev->ibdev, NULL); if (ret) goto bail1; diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index e96771ddc9a7..feeb8ee6f4a2 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -220,14 +220,14 @@ static void set_ep_sin_addrs(struct c4iw_ep *ep, { struct iw_cm_id *id = ep->com.cm_id; - *lsin = (struct sockaddr_in *)&ep->com.local_addr; - *rsin = (struct sockaddr_in *)&ep->com.remote_addr; + *m_lsin = (struct sockaddr_in *)&ep->com.local_addr; + *m_rsin = (struct sockaddr_in *)&ep->com.remote_addr; if (id) { - *m_lsin = (struct sockaddr_in *)&id->m_local_addr; - *m_rsin = (struct sockaddr_in *)&id->m_remote_addr; + *lsin = (struct sockaddr_in *)&id->local_addr; + *rsin = (struct sockaddr_in *)&id->remote_addr; } else { - *m_lsin = &zero_sin; - *m_rsin = &zero_sin; + *lsin = &zero_sin; + *rsin = &zero_sin; } } @@ -239,14 +239,14 @@ static void set_ep_sin6_addrs(struct c4iw_ep *ep, { struct iw_cm_id *id = ep->com.cm_id; - *lsin6 = (struct sockaddr_in6 *)&ep->com.local_addr; - *rsin6 = (struct sockaddr_in6 *)&ep->com.remote_addr; + *m_lsin6 = (struct sockaddr_in6 *)&ep->com.local_addr; + *m_rsin6 = (struct sockaddr_in6 *)&ep->com.remote_addr; if (id) { - *m_lsin6 = (struct sockaddr_in6 *)&id->m_local_addr; - *m_rsin6 = (struct sockaddr_in6 *)&id->m_remote_addr; + *lsin6 = (struct sockaddr_in6 *)&id->local_addr; + *rsin6 = (struct sockaddr_in6 *)&id->remote_addr; } else { - *m_lsin6 = &zero_sin6; - *m_rsin6 = &zero_sin6; + *lsin6 = &zero_sin6; + *rsin6 = &zero_sin6; } } diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 7e0eb201cc26..e90f2fd8dc16 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -391,6 +391,9 @@ static int finish_mem_reg(struct c4iw_mr *mhp, u32 stag) mhp->attr.stag = stag; mmid = stag >> 8; mhp->ibmr.rkey = mhp->ibmr.lkey = stag; + mhp->ibmr.length = mhp->attr.len; + mhp->ibmr.iova = mhp->attr.va_fbo; + mhp->ibmr.page_size = 1U << (mhp->attr.page_size + 12); pr_debug("mmid 0x%x mhp %p\n", mmid, mhp); return insert_handle(mhp->rhp, &mhp->rhp->mmidr, mhp, mmid); } diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 1b5c6cd2ac4d..0b9cc73c3ded 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -281,7 +281,9 @@ static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev, php->pdid = pdid; php->rhp = rhp; if (context) { - if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) { + struct c4iw_alloc_pd_resp uresp = {.pdid = php->pdid}; + + if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) { c4iw_deallocate_pd(&php->ibpd); return ERR_PTR(-EFAULT); } @@ -531,6 +533,24 @@ static void get_dev_fw_str(struct ib_device *dev, char *str) FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers)); } +static struct net_device *get_netdev(struct ib_device *dev, u8 port) +{ + struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, ibdev); + struct c4iw_rdev *rdev = &c4iw_dev->rdev; + struct net_device *ndev; + + if (!port || port > rdev->lldi.nports) + return NULL; + + rcu_read_lock(); + ndev = rdev->lldi.ports[port - 1]; + if (ndev) + dev_hold(ndev); + rcu_read_unlock(); + + return ndev; +} + void c4iw_register_device(struct work_struct *work) { int ret; @@ -609,6 +629,7 @@ void c4iw_register_device(struct work_struct *work) dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION; dev->ibdev.get_port_immutable = c4iw_port_immutable; dev->ibdev.get_dev_fw_str = get_dev_fw_str; + dev->ibdev.get_netdev = get_netdev; dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL); if (!dev->ibdev.iwcm) { @@ -627,6 +648,7 @@ void c4iw_register_device(struct work_struct *work) memcpy(dev->ibdev.iwcm->ifname, dev->rdev.lldi.ports[0]->name, sizeof(dev->ibdev.iwcm->ifname)); + dev->ibdev.driver_id = RDMA_DRIVER_CXGB4; ret = ib_register_device(&dev->ibdev, NULL); if (ret) goto err_kfree_iwcm; diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c index addc68e83606..46d1475b2154 100644 --- a/drivers/infiniband/hw/hfi1/driver.c +++ b/drivers/infiniband/hw/hfi1/driver.c @@ -390,6 +390,7 @@ static void rcv_hdrerr(struct hfi1_ctxtdata *rcd, struct hfi1_pportdata *ppd, svc_type = IB_CC_SVCTYPE_UC; break; default: + rcu_read_unlock(); goto drop; } diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index 90bc8c76d2ca..32c48265405e 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -70,7 +70,6 @@ #include <linux/rhashtable.h> #include <linux/netdevice.h> #include <rdma/rdma_vt.h> -#include <rdma/opa_addr.h> #include "chip_registers.h" #include "common.h" diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c index d30dd1a5b0a6..1697d96151bd 100644 --- a/drivers/infiniband/hw/hfi1/qp.c +++ b/drivers/infiniband/hw/hfi1/qp.c @@ -481,7 +481,6 @@ static void iowait_sdma_drained(struct iowait *wait) } /** - * * qp_to_sdma_engine - map a qp to a send engine * @qp: the QP * @sc5: the 5 bit sc diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c index c1c596adcd01..0d5330b7353d 100644 --- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c +++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c @@ -473,7 +473,7 @@ nomem: tinfo->tidcnt = tididx; tinfo->length = mapped_pages * PAGE_SIZE; - if (copy_to_user((void __user *)(unsigned long)tinfo->tidlist, + if (copy_to_user(u64_to_user_ptr(tinfo->tidlist), tidlist, sizeof(tidlist[0]) * tididx)) { /* * On failure to copy to the user level, we need to undo @@ -513,7 +513,7 @@ int hfi1_user_exp_rcv_clear(struct hfi1_filedata *fd, if (unlikely(tinfo->tidcnt > fd->tid_used)) return -EINVAL; - tidinfo = memdup_user((void __user *)(unsigned long)tinfo->tidlist, + tidinfo = memdup_user(u64_to_user_ptr(tinfo->tidlist), sizeof(tidinfo[0]) * tinfo->tidcnt); if (IS_ERR(tidinfo)) return PTR_ERR(tidinfo); diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 471d55c50066..c8cf4d4984d3 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -1960,7 +1960,7 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd) i, ppd->pkeys); - ret = rvt_register_device(&dd->verbs_dev.rdi); + ret = rvt_register_device(&dd->verbs_dev.rdi, RDMA_DRIVER_HFI1); if (ret) goto err_verbs_txreq; diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile index 97bf2cd1cacb..cf03404b9d58 100644 --- a/drivers/infiniband/hw/hns/Makefile +++ b/drivers/infiniband/hw/hns/Makefile @@ -7,7 +7,7 @@ ccflags-y := -Idrivers/net/ethernet/hisilicon/hns3 obj-$(CONFIG_INFINIBAND_HNS) += hns-roce.o hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \ hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \ - hns_roce_cq.o hns_roce_alloc.o + hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o obj-$(CONFIG_INFINIBAND_HNS_HIP06) += hns-roce-hw-v1.o hns-roce-hw-v1-objs := hns_roce_hw_v1.o obj-$(CONFIG_INFINIBAND_HNS_HIP08) += hns-roce-hw-v2.o diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c index 7dd6a66ea244..d74928621559 100644 --- a/drivers/infiniband/hw/hns/hns_roce_ah.c +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c @@ -68,11 +68,9 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, return ERR_PTR(ret); } - if (gid_attr.ndev) { - if (is_vlan_dev(gid_attr.ndev)) - vlan_tag = vlan_dev_vlan_id(gid_attr.ndev); - dev_put(gid_attr.ndev); - } + if (is_vlan_dev(gid_attr.ndev)) + vlan_tag = vlan_dev_vlan_id(gid_attr.ndev); + dev_put(gid_attr.ndev); if (vlan_tag < 0x1000) vlan_tag |= (rdma_ah_get_sl(ah_attr) & diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c index bccc9b54c9ce..14734d0d0b76 100644 --- a/drivers/infiniband/hw/hns/hns_roce_cq.c +++ b/drivers/infiniband/hw/hns/hns_roce_cq.c @@ -315,6 +315,7 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev, struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev); struct device *dev = hr_dev->dev; struct hns_roce_ib_create_cq ucmd; + struct hns_roce_ib_create_cq_resp resp = {}; struct hns_roce_cq *hr_cq = NULL; struct hns_roce_uar *uar = NULL; int vector = attr->comp_vector; @@ -354,15 +355,36 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev, goto err_cq; } + if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) && + (udata->outlen >= sizeof(resp))) { + ret = hns_roce_db_map_user(to_hr_ucontext(context), + ucmd.db_addr, &hr_cq->db); + if (ret) { + dev_err(dev, "cq record doorbell map failed!\n"); + goto err_mtt; + } + hr_cq->db_en = 1; + resp.cap_flags |= HNS_ROCE_SUPPORT_CQ_RECORD_DB; + } + /* Get user space parameters */ uar = &to_hr_ucontext(context)->uar; } else { + if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) { + ret = hns_roce_alloc_db(hr_dev, &hr_cq->db, 1); + if (ret) + goto err_cq; + + hr_cq->set_ci_db = hr_cq->db.db_record; + *hr_cq->set_ci_db = 0; + } + /* Init mmt table and write buff address to mtt table */ ret = hns_roce_ib_alloc_cq_buf(hr_dev, &hr_cq->hr_buf, cq_entries); if (ret) { dev_err(dev, "Failed to alloc_cq_buf.\n"); - goto err_cq; + goto err_db; } uar = &hr_dev->priv_uar; @@ -375,7 +397,7 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev, hr_cq, vector); if (ret) { dev_err(dev, "Creat CQ .Failed to cq_alloc.\n"); - goto err_mtt; + goto err_dbmap; } /* @@ -393,10 +415,10 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev, hr_cq->cq_depth = cq_entries; if (context) { - if (ib_copy_to_udata(udata, &hr_cq->cqn, sizeof(u64))) { - ret = -EFAULT; + resp.cqn = hr_cq->cqn; + ret = ib_copy_to_udata(udata, &resp, sizeof(resp)); + if (ret) goto err_cqc; - } } return &hr_cq->ib_cq; @@ -404,6 +426,12 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev, err_cqc: hns_roce_free_cq(hr_dev, hr_cq); +err_dbmap: + if (context && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) && + (udata->outlen >= sizeof(resp))) + hns_roce_db_unmap_user(to_hr_ucontext(context), + &hr_cq->db); + err_mtt: hns_roce_mtt_cleanup(hr_dev, &hr_cq->hr_buf.hr_mtt); if (context) @@ -412,6 +440,10 @@ err_mtt: hns_roce_ib_free_cq_buf(hr_dev, &hr_cq->hr_buf, hr_cq->ib_cq.cqe); +err_db: + if (!context && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)) + hns_roce_free_db(hr_dev, &hr_cq->db); + err_cq: kfree(hr_cq); return ERR_PTR(ret); @@ -430,12 +462,20 @@ int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq) hns_roce_free_cq(hr_dev, hr_cq); hns_roce_mtt_cleanup(hr_dev, &hr_cq->hr_buf.hr_mtt); - if (ib_cq->uobject) + if (ib_cq->uobject) { ib_umem_release(hr_cq->umem); - else + + if (hr_cq->db_en == 1) + hns_roce_db_unmap_user( + to_hr_ucontext(ib_cq->uobject->context), + &hr_cq->db); + } else { /* Free the buff of stored cq */ hns_roce_ib_free_cq_buf(hr_dev, &hr_cq->hr_buf, ib_cq->cqe); + if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) + hns_roce_free_db(hr_dev, &hr_cq->db); + } kfree(hr_cq); } diff --git a/drivers/infiniband/hw/hns/hns_roce_db.c b/drivers/infiniband/hw/hns/hns_roce_db.c new file mode 100644 index 000000000000..ebee2782a573 --- /dev/null +++ b/drivers/infiniband/hw/hns/hns_roce_db.c @@ -0,0 +1,180 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */ +/* + * Copyright (c) 2017 Hisilicon Limited. + * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. + */ + +#include <linux/platform_device.h> +#include <rdma/ib_umem.h> +#include "hns_roce_device.h" + +int hns_roce_db_map_user(struct hns_roce_ucontext *context, unsigned long virt, + struct hns_roce_db *db) +{ + struct hns_roce_user_db_page *page; + int ret = 0; + + mutex_lock(&context->page_mutex); + + list_for_each_entry(page, &context->page_list, list) + if (page->user_virt == (virt & PAGE_MASK)) + goto found; + + page = kmalloc(sizeof(*page), GFP_KERNEL); + if (!page) { + ret = -ENOMEM; + goto out; + } + + refcount_set(&page->refcount, 1); + page->user_virt = (virt & PAGE_MASK); + page->umem = ib_umem_get(&context->ibucontext, virt & PAGE_MASK, + PAGE_SIZE, 0, 0); + if (IS_ERR(page->umem)) { + ret = PTR_ERR(page->umem); + kfree(page); + goto out; + } + + list_add(&page->list, &context->page_list); + +found: + db->dma = sg_dma_address(page->umem->sg_head.sgl) + + (virt & ~PAGE_MASK); + db->u.user_page = page; + refcount_inc(&page->refcount); + +out: + mutex_unlock(&context->page_mutex); + + return ret; +} +EXPORT_SYMBOL(hns_roce_db_map_user); + +void hns_roce_db_unmap_user(struct hns_roce_ucontext *context, + struct hns_roce_db *db) +{ + mutex_lock(&context->page_mutex); + + refcount_dec(&db->u.user_page->refcount); + if (refcount_dec_if_one(&db->u.user_page->refcount)) { + list_del(&db->u.user_page->list); + ib_umem_release(db->u.user_page->umem); + kfree(db->u.user_page); + } + + mutex_unlock(&context->page_mutex); +} +EXPORT_SYMBOL(hns_roce_db_unmap_user); + +static struct hns_roce_db_pgdir *hns_roce_alloc_db_pgdir( + struct device *dma_device) +{ + struct hns_roce_db_pgdir *pgdir; + + pgdir = kzalloc(sizeof(*pgdir), GFP_KERNEL); + if (!pgdir) + return NULL; + + bitmap_fill(pgdir->order1, HNS_ROCE_DB_PER_PAGE / 2); + pgdir->bits[0] = pgdir->order0; + pgdir->bits[1] = pgdir->order1; + pgdir->page = dma_alloc_coherent(dma_device, PAGE_SIZE, + &pgdir->db_dma, GFP_KERNEL); + if (!pgdir->page) { + kfree(pgdir); + return NULL; + } + + return pgdir; +} + +static int hns_roce_alloc_db_from_pgdir(struct hns_roce_db_pgdir *pgdir, + struct hns_roce_db *db, int order) +{ + int o; + int i; + + for (o = order; o <= 1; ++o) { + i = find_first_bit(pgdir->bits[o], HNS_ROCE_DB_PER_PAGE >> o); + if (i < HNS_ROCE_DB_PER_PAGE >> o) + goto found; + } + + return -ENOMEM; + +found: + clear_bit(i, pgdir->bits[o]); + + i <<= o; + + if (o > order) + set_bit(i ^ 1, pgdir->bits[order]); + + db->u.pgdir = pgdir; + db->index = i; + db->db_record = pgdir->page + db->index; + db->dma = pgdir->db_dma + db->index * 4; + db->order = order; + + return 0; +} + +int hns_roce_alloc_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db, + int order) +{ + struct hns_roce_db_pgdir *pgdir; + int ret = 0; + + mutex_lock(&hr_dev->pgdir_mutex); + + list_for_each_entry(pgdir, &hr_dev->pgdir_list, list) + if (!hns_roce_alloc_db_from_pgdir(pgdir, db, order)) + goto out; + + pgdir = hns_roce_alloc_db_pgdir(hr_dev->dev); + if (!pgdir) { + ret = -ENOMEM; + goto out; + } + + list_add(&pgdir->list, &hr_dev->pgdir_list); + + /* This should never fail -- we just allocated an empty page: */ + WARN_ON(hns_roce_alloc_db_from_pgdir(pgdir, db, order)); + +out: + mutex_unlock(&hr_dev->pgdir_mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(hns_roce_alloc_db); + +void hns_roce_free_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db) +{ + int o; + int i; + + mutex_lock(&hr_dev->pgdir_mutex); + + o = db->order; + i = db->index; + + if (db->order == 0 && test_bit(i ^ 1, db->u.pgdir->order0)) { + clear_bit(i ^ 1, db->u.pgdir->order0); + ++o; + } + + i >>= o; + set_bit(i, db->u.pgdir->bits[o]); + + if (bitmap_full(db->u.pgdir->order1, HNS_ROCE_DB_PER_PAGE / 2)) { + dma_free_coherent(hr_dev->dev, PAGE_SIZE, db->u.pgdir->page, + db->u.pgdir->db_dma); + list_del(&db->u.pgdir->list); + kfree(db->u.pgdir); + } + + mutex_unlock(&hr_dev->pgdir_mutex); +} +EXPORT_SYMBOL_GPL(hns_roce_free_db); diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 165a09b314f6..fb305b7f99a8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -105,6 +105,14 @@ #define PAGES_SHIFT_24 24 #define PAGES_SHIFT_32 32 +enum { + HNS_ROCE_SUPPORT_RQ_RECORD_DB = 1 << 0, +}; + +enum { + HNS_ROCE_SUPPORT_CQ_RECORD_DB = 1 << 0, +}; + enum hns_roce_qp_state { HNS_ROCE_QP_STATE_RST, HNS_ROCE_QP_STATE_INIT, @@ -178,7 +186,8 @@ enum { enum { HNS_ROCE_CAP_FLAG_REREG_MR = BIT(0), HNS_ROCE_CAP_FLAG_ROCE_V1_V2 = BIT(1), - HNS_ROCE_CAP_FLAG_RQ_INLINE = BIT(2) + HNS_ROCE_CAP_FLAG_RQ_INLINE = BIT(2), + HNS_ROCE_CAP_FLAG_RECORD_DB = BIT(3) }; enum hns_roce_mtt_type { @@ -186,6 +195,10 @@ enum hns_roce_mtt_type { MTT_TYPE_CQE, }; +enum { + HNS_ROCE_DB_PER_PAGE = PAGE_SIZE / 4 +}; + #define HNS_ROCE_CMD_SUCCESS 1 #define HNS_ROCE_PORT_DOWN 0 @@ -203,6 +216,8 @@ struct hns_roce_uar { struct hns_roce_ucontext { struct ib_ucontext ibucontext; struct hns_roce_uar uar; + struct list_head page_list; + struct mutex page_mutex; }; struct hns_roce_pd { @@ -335,6 +350,33 @@ struct hns_roce_buf { int page_shift; }; +struct hns_roce_db_pgdir { + struct list_head list; + DECLARE_BITMAP(order0, HNS_ROCE_DB_PER_PAGE); + DECLARE_BITMAP(order1, HNS_ROCE_DB_PER_PAGE / 2); + unsigned long *bits[2]; + u32 *page; + dma_addr_t db_dma; +}; + +struct hns_roce_user_db_page { + struct list_head list; + struct ib_umem *umem; + unsigned long user_virt; + refcount_t refcount; +}; + +struct hns_roce_db { + u32 *db_record; + union { + struct hns_roce_db_pgdir *pgdir; + struct hns_roce_user_db_page *user_page; + } u; + dma_addr_t dma; + int index; + int order; +}; + struct hns_roce_cq_buf { struct hns_roce_buf hr_buf; struct hns_roce_mtt hr_mtt; @@ -343,6 +385,8 @@ struct hns_roce_cq_buf { struct hns_roce_cq { struct ib_cq ib_cq; struct hns_roce_cq_buf hr_buf; + struct hns_roce_db db; + u8 db_en; spinlock_t lock; struct ib_umem *umem; void (*comp)(struct hns_roce_cq *cq); @@ -351,6 +395,7 @@ struct hns_roce_cq { struct hns_roce_uar *uar; u32 cq_depth; u32 cons_index; + u32 *set_ci_db; void __iomem *cq_db_l; u16 *tptr_addr; int arm_sn; @@ -466,6 +511,8 @@ struct hns_roce_qp { struct ib_qp ibqp; struct hns_roce_buf hr_buf; struct hns_roce_wq rq; + struct hns_roce_db rdb; + u8 rdb_en; u32 doorbell_qpn; __le32 sq_signal_bits; u32 sq_next_wqe; @@ -725,6 +772,8 @@ struct hns_roce_dev { spinlock_t bt_cmd_lock; struct hns_roce_ib_iboe iboe; + struct list_head pgdir_list; + struct mutex pgdir_mutex; int irq[HNS_ROCE_MAX_IRQ_NUM]; u8 __iomem *reg_base; struct hns_roce_caps caps; @@ -930,6 +979,14 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev, int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq); void hns_roce_free_cq(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq); +int hns_roce_db_map_user(struct hns_roce_ucontext *context, unsigned long virt, + struct hns_roce_db *db); +void hns_roce_db_unmap_user(struct hns_roce_ucontext *context, + struct hns_roce_db *db); +int hns_roce_alloc_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db, + int order); +void hns_roce_free_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db); + void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn); void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type); void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index da13bd7c3ca9..47e1b6ac1e1a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -1687,13 +1687,13 @@ static int hns_roce_v1_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param, roce_set_field(val, ROCEE_MB6_ROCEE_MB_TOKEN_M, ROCEE_MB6_ROCEE_MB_TOKEN_S, token); - __raw_writeq(cpu_to_le64(in_param), hcr + 0); - __raw_writeq(cpu_to_le64(out_param), hcr + 2); - __raw_writel(cpu_to_le32(in_modifier), hcr + 4); + writeq(in_param, hcr + 0); + writeq(out_param, hcr + 2); + writel(in_modifier, hcr + 4); /* Memory barrier */ wmb(); - __raw_writel(cpu_to_le32(val), hcr + 5); + writel(val, hcr + 5); mmiowb(); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index ec638778661c..8b84ab7800d8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -498,7 +498,6 @@ static int hns_roce_v2_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, struct hns_roce_v2_wqe_data_seg *dseg; struct hns_roce_rinl_sge *sge_list; struct device *dev = hr_dev->dev; - struct hns_roce_v2_db rq_db; unsigned long flags; void *wqe = NULL; int ret = 0; @@ -509,7 +508,7 @@ static int hns_roce_v2_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, spin_lock_irqsave(&hr_qp->rq.lock, flags); ind = hr_qp->rq.head & (hr_qp->rq.wqe_cnt - 1); - if (hr_qp->state == IB_QPS_RESET || hr_qp->state == IB_QPS_ERR) { + if (hr_qp->state == IB_QPS_RESET) { spin_unlock_irqrestore(&hr_qp->rq.lock, flags); *bad_wr = wr; return -EINVAL; @@ -564,17 +563,7 @@ out: /* Memory barrier */ wmb(); - rq_db.byte_4 = 0; - rq_db.parameter = 0; - - roce_set_field(rq_db.byte_4, V2_DB_BYTE_4_TAG_M, - V2_DB_BYTE_4_TAG_S, hr_qp->qpn); - roce_set_field(rq_db.byte_4, V2_DB_BYTE_4_CMD_M, - V2_DB_BYTE_4_CMD_S, HNS_ROCE_V2_RQ_DB); - roce_set_field(rq_db.parameter, V2_DB_PARAMETER_CONS_IDX_M, - V2_DB_PARAMETER_CONS_IDX_S, hr_qp->rq.head); - - hns_roce_write64_k((__le32 *)&rq_db, hr_qp->rq.db_reg_l); + *hr_qp->rdb.db_record = hr_qp->rq.head & 0xffff; } spin_unlock_irqrestore(&hr_qp->rq.lock, flags); @@ -1168,7 +1157,8 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev) caps->flags = HNS_ROCE_CAP_FLAG_REREG_MR | HNS_ROCE_CAP_FLAG_ROCE_V1_V2 | - HNS_ROCE_CAP_FLAG_RQ_INLINE; + HNS_ROCE_CAP_FLAG_RQ_INLINE | + HNS_ROCE_CAP_FLAG_RECORD_DB; caps->pkey_table_len[0] = 1; caps->gid_table_len[0] = HNS_ROCE_V2_GID_INDEX_NUM; caps->ceqe_depth = HNS_ROCE_V2_COMP_EQE_NUM; @@ -1228,14 +1218,14 @@ static int hns_roce_v2_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param, roce_set_field(val1, HNS_ROCE_VF_MB5_TOKEN_MASK, HNS_ROCE_VF_MB5_TOKEN_SHIFT, token); - __raw_writeq(cpu_to_le64(in_param), hcr + 0); - __raw_writeq(cpu_to_le64(out_param), hcr + 2); + writeq(in_param, hcr + 0); + writeq(out_param, hcr + 2); /* Memory barrier */ wmb(); - __raw_writel(cpu_to_le32(val0), hcr + 4); - __raw_writel(cpu_to_le32(val1), hcr + 5); + writel(val0, hcr + 4); + writel(val1, hcr + 5); mmiowb(); @@ -1507,24 +1497,7 @@ static struct hns_roce_v2_cqe *next_cqe_sw_v2(struct hns_roce_cq *hr_cq) static void hns_roce_v2_cq_set_ci(struct hns_roce_cq *hr_cq, u32 cons_index) { - struct hns_roce_v2_cq_db cq_db; - - cq_db.byte_4 = 0; - cq_db.parameter = 0; - - roce_set_field(cq_db.byte_4, V2_CQ_DB_BYTE_4_TAG_M, - V2_CQ_DB_BYTE_4_TAG_S, hr_cq->cqn); - roce_set_field(cq_db.byte_4, V2_CQ_DB_BYTE_4_CMD_M, - V2_CQ_DB_BYTE_4_CMD_S, HNS_ROCE_V2_CQ_DB_PTR); - - roce_set_field(cq_db.parameter, V2_CQ_DB_PARAMETER_CONS_IDX_M, - V2_CQ_DB_PARAMETER_CONS_IDX_S, - cons_index & ((hr_cq->cq_depth << 1) - 1)); - roce_set_field(cq_db.parameter, V2_CQ_DB_PARAMETER_CMD_SN_M, - V2_CQ_DB_PARAMETER_CMD_SN_S, 1); - - hns_roce_write64_k((__be32 *)&cq_db, hr_cq->cq_db_l); - + *hr_cq->set_ci_db = cons_index & 0xffffff; } static void __hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, @@ -1637,6 +1610,16 @@ static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev, roce_set_field(cq_context->byte_40_cqe_ba, V2_CQC_BYTE_40_CQE_BA_M, V2_CQC_BYTE_40_CQE_BA_S, (dma_handle >> (32 + 3))); + if (hr_cq->db_en) + roce_set_bit(cq_context->byte_44_db_record, + V2_CQC_BYTE_44_DB_RECORD_EN_S, 1); + + roce_set_field(cq_context->byte_44_db_record, + V2_CQC_BYTE_44_DB_RECORD_ADDR_M, + V2_CQC_BYTE_44_DB_RECORD_ADDR_S, + ((u32)hr_cq->db.dma) >> 1); + cq_context->db_record_addr = hr_cq->db.dma >> 32; + roce_set_field(cq_context->byte_56_cqe_period_maxcnt, V2_CQC_BYTE_56_CQ_MAX_CNT_M, V2_CQC_BYTE_56_CQ_MAX_CNT_S, @@ -2274,6 +2257,23 @@ static void modify_qp_reset_to_init(struct ib_qp *ibqp, hr_qp->qkey = attr->qkey; } + if (hr_qp->rdb_en) { + roce_set_bit(context->byte_68_rq_db, + V2_QPC_BYTE_68_RQ_RECORD_EN_S, 1); + roce_set_bit(qpc_mask->byte_68_rq_db, + V2_QPC_BYTE_68_RQ_RECORD_EN_S, 0); + } + + roce_set_field(context->byte_68_rq_db, + V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_M, + V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_S, + ((u32)hr_qp->rdb.dma) >> 1); + roce_set_field(qpc_mask->byte_68_rq_db, + V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_M, + V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_S, 0); + context->rq_db_record_addr = hr_qp->rdb.dma >> 32; + qpc_mask->rq_db_record_addr = 0; + roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RQIE_S, 1); roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RQIE_S, 0); @@ -3211,6 +3211,8 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, hr_qp->sq.tail = 0; hr_qp->sq_next_wqe = 0; hr_qp->next_sge = 0; + if (hr_qp->rq.wqe_cnt) + *hr_qp->rdb.db_record = 0; } out: @@ -3437,11 +3439,17 @@ static int hns_roce_v2_destroy_qp_common(struct hns_roce_dev *hr_dev, hns_roce_mtt_cleanup(hr_dev, &hr_qp->mtt); if (is_user) { + if (hr_qp->rq.wqe_cnt && (hr_qp->rdb_en == 1)) + hns_roce_db_unmap_user( + to_hr_ucontext(hr_qp->ibqp.uobject->context), + &hr_qp->rdb); ib_umem_release(hr_qp->umem); } else { kfree(hr_qp->sq.wrid); kfree(hr_qp->rq.wrid); hns_roce_buf_free(hr_dev, hr_qp->buff_size, &hr_qp->hr_buf); + if (hr_qp->rq.wqe_cnt) + hns_roce_free_db(hr_dev, &hr_qp->rdb); } if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) { diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 2bf8a47e3de3..182b6726f783 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -299,6 +299,9 @@ struct hns_roce_v2_cq_context { #define V2_CQC_BYTE_44_DB_RECORD_EN_S 0 +#define V2_CQC_BYTE_44_DB_RECORD_ADDR_S 1 +#define V2_CQC_BYTE_44_DB_RECORD_ADDR_M GENMASK(31, 1) + #define V2_CQC_BYTE_52_CQE_CNT_S 0 #define V2_CQC_BYTE_52_CQE_CNT_M GENMASK(23, 0) diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index eb9a69fc7bec..9d48bc07a9e6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -74,12 +74,11 @@ static int hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr) return hr_dev->hw->set_mac(hr_dev, phy_port, addr); } -static int hns_roce_add_gid(struct ib_device *device, u8 port_num, - unsigned int index, const union ib_gid *gid, +static int hns_roce_add_gid(const union ib_gid *gid, const struct ib_gid_attr *attr, void **context) { - struct hns_roce_dev *hr_dev = to_hr_dev(device); - u8 port = port_num - 1; + struct hns_roce_dev *hr_dev = to_hr_dev(attr->device); + u8 port = attr->port_num - 1; unsigned long flags; int ret; @@ -88,20 +87,20 @@ static int hns_roce_add_gid(struct ib_device *device, u8 port_num, spin_lock_irqsave(&hr_dev->iboe.lock, flags); - ret = hr_dev->hw->set_gid(hr_dev, port, index, (union ib_gid *)gid, - attr); + ret = hr_dev->hw->set_gid(hr_dev, port, attr->index, + (union ib_gid *)gid, attr); spin_unlock_irqrestore(&hr_dev->iboe.lock, flags); return ret; } -static int hns_roce_del_gid(struct ib_device *device, u8 port_num, - unsigned int index, void **context) +static int hns_roce_del_gid(const struct ib_gid_attr *attr, void **context) { - struct hns_roce_dev *hr_dev = to_hr_dev(device); + struct hns_roce_dev *hr_dev = to_hr_dev(attr->device); + struct ib_gid_attr zattr = { }; union ib_gid zgid = { {0} }; - u8 port = port_num - 1; + u8 port = attr->port_num - 1; unsigned long flags; int ret; @@ -110,7 +109,7 @@ static int hns_roce_del_gid(struct ib_device *device, u8 port_num, spin_lock_irqsave(&hr_dev->iboe.lock, flags); - ret = hr_dev->hw->set_gid(hr_dev, port, index, &zgid, NULL); + ret = hr_dev->hw->set_gid(hr_dev, port, attr->index, &zgid, &zattr); spin_unlock_irqrestore(&hr_dev->iboe.lock, flags); @@ -295,12 +294,6 @@ static enum rdma_link_layer hns_roce_get_link_layer(struct ib_device *device, return IB_LINK_LAYER_ETHERNET; } -static int hns_roce_query_gid(struct ib_device *ib_dev, u8 port_num, int index, - union ib_gid *gid) -{ - return 0; -} - static int hns_roce_query_pkey(struct ib_device *ib_dev, u8 port, u16 index, u16 *pkey) { @@ -337,7 +330,7 @@ static struct ib_ucontext *hns_roce_alloc_ucontext(struct ib_device *ib_dev, { int ret = 0; struct hns_roce_ucontext *context; - struct hns_roce_ib_alloc_ucontext_resp resp; + struct hns_roce_ib_alloc_ucontext_resp resp = {}; struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev); resp.qp_tab_size = hr_dev->caps.num_qps; @@ -350,6 +343,11 @@ static struct ib_ucontext *hns_roce_alloc_ucontext(struct ib_device *ib_dev, if (ret) goto error_fail_uar_alloc; + if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) { + INIT_LIST_HEAD(&context->page_list); + mutex_init(&context->page_mutex); + } + ret = ib_copy_to_udata(udata, &resp, sizeof(resp)); if (ret) goto error_fail_copy_to_udata; @@ -476,7 +474,6 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev) ib_dev->modify_port = hns_roce_modify_port; ib_dev->get_link_layer = hns_roce_get_link_layer; ib_dev->get_netdev = hns_roce_get_netdev; - ib_dev->query_gid = hns_roce_query_gid; ib_dev->add_gid = hns_roce_add_gid; ib_dev->del_gid = hns_roce_del_gid; ib_dev->query_pkey = hns_roce_query_pkey; @@ -520,6 +517,7 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev) /* OTHERS */ ib_dev->get_port_immutable = hns_roce_port_immutable; + ib_dev->driver_id = RDMA_DRIVER_HNS; ret = ib_register_device(ib_dev, NULL); if (ret) { dev_err(dev, "ib_register_device failed!\n"); @@ -659,6 +657,11 @@ static int hns_roce_setup_hca(struct hns_roce_dev *hr_dev) spin_lock_init(&hr_dev->sm_lock); spin_lock_init(&hr_dev->bt_cmd_lock); + if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) { + INIT_LIST_HEAD(&hr_dev->pgdir_list); + mutex_init(&hr_dev->pgdir_mutex); + } + ret = hns_roce_init_uar_table(hr_dev); if (ret) { dev_err(dev, "Failed to initialize uar table. aborting\n"); diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index da86a8117bd5..f7256d88d38f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -933,7 +933,7 @@ int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev, ret = hns_roce_write_mtt(hr_dev, mtt, n, i, pages); out: - free_page((unsigned long) pages); + free_pages((unsigned long) pages, order); return ret; } diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c index bdab2188c04a..4b41e041799c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_pd.c +++ b/drivers/infiniband/hw/hns/hns_roce_pd.c @@ -32,6 +32,7 @@ #include <linux/platform_device.h> #include <linux/pci.h> +#include <uapi/rdma/hns-abi.h> #include "hns_roce_device.h" static int hns_roce_pd_alloc(struct hns_roce_dev *hr_dev, unsigned long *pdn) @@ -77,7 +78,9 @@ struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev, } if (context) { - if (ib_copy_to_udata(udata, &pd->pdn, sizeof(u64))) { + struct hns_roce_ib_alloc_pd_resp uresp = {.pdn = pd->pdn}; + + if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) { hns_roce_pd_free(to_hr_dev(ib_dev), pd->pdn); dev_err(dev, "[alloc_pd]ib_copy_to_udata failed!\n"); kfree(pd); diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 088973a05882..e289a924e789 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -489,6 +489,15 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev, return 0; } +static int hns_roce_qp_has_rq(struct ib_qp_init_attr *attr) +{ + if (attr->qp_type == IB_QPT_XRC_INI || + attr->qp_type == IB_QPT_XRC_TGT || attr->srq) + return 0; + + return 1; +} + static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, struct ib_pd *ib_pd, struct ib_qp_init_attr *init_attr, @@ -497,6 +506,7 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, { struct device *dev = hr_dev->dev; struct hns_roce_ib_create_qp ucmd; + struct hns_roce_ib_create_qp_resp resp = {}; unsigned long qpn = 0; int ret = 0; u32 page_shift; @@ -602,6 +612,18 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, dev_err(dev, "hns_roce_ib_umem_write_mtt error for create qp\n"); goto err_mtt; } + + if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) && + (udata->outlen >= sizeof(resp)) && + hns_roce_qp_has_rq(init_attr)) { + ret = hns_roce_db_map_user( + to_hr_ucontext(ib_pd->uobject->context), + ucmd.db_addr, &hr_qp->rdb); + if (ret) { + dev_err(dev, "rp record doorbell map failed!\n"); + goto err_mtt; + } + } } else { if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { @@ -630,6 +652,16 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, hr_qp->rq.db_reg_l = hr_dev->reg_base + hr_dev->odb_offset + DB_REG_OFFSET * hr_dev->priv_uar.index; + if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) && + hns_roce_qp_has_rq(init_attr)) { + ret = hns_roce_alloc_db(hr_dev, &hr_qp->rdb, 0); + if (ret) { + dev_err(dev, "rq record doorbell alloc failed!\n"); + goto err_rq_sge_list; + } + *hr_qp->rdb.db_record = 0; + } + /* Allocate QP buf */ page_shift = PAGE_SHIFT + hr_dev->caps.mtt_buf_pg_sz; if (hns_roce_buf_alloc(hr_dev, hr_qp->buff_size, @@ -637,7 +669,7 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, &hr_qp->hr_buf, page_shift)) { dev_err(dev, "hns_roce_buf_alloc error!\n"); ret = -ENOMEM; - goto err_rq_sge_list; + goto err_db; } hr_qp->mtt.mtt_type = MTT_TYPE_WQE; @@ -698,17 +730,44 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, else hr_qp->doorbell_qpn = cpu_to_le64(hr_qp->qpn); + if (ib_pd->uobject && (udata->outlen >= sizeof(resp)) && + (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)) { + + /* indicate kernel supports record db */ + resp.cap_flags |= HNS_ROCE_SUPPORT_RQ_RECORD_DB; + ret = ib_copy_to_udata(udata, &resp, sizeof(resp)); + if (ret) + goto err_qp; + + hr_qp->rdb_en = 1; + } hr_qp->event = hns_roce_ib_qp_event; return 0; +err_qp: + if (init_attr->qp_type == IB_QPT_GSI && + hr_dev->hw_rev == HNS_ROCE_HW_VER1) + hns_roce_qp_remove(hr_dev, hr_qp); + else + hns_roce_qp_free(hr_dev, hr_qp); + err_qpn: if (!sqpn) hns_roce_release_range_qp(hr_dev, qpn, 1); err_wrid: - kfree(hr_qp->sq.wrid); - kfree(hr_qp->rq.wrid); + if (ib_pd->uobject) { + if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) && + (udata->outlen >= sizeof(resp)) && + hns_roce_qp_has_rq(init_attr)) + hns_roce_db_unmap_user( + to_hr_ucontext(ib_pd->uobject->context), + &hr_qp->rdb); + } else { + kfree(hr_qp->sq.wrid); + kfree(hr_qp->rq.wrid); + } err_mtt: hns_roce_mtt_cleanup(hr_dev, &hr_qp->mtt); @@ -719,6 +778,11 @@ err_buf: else hns_roce_buf_free(hr_dev, hr_qp->buff_size, &hr_qp->hr_buf); +err_db: + if (!ib_pd->uobject && hns_roce_qp_has_rq(init_attr) && + (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)) + hns_roce_free_db(hr_dev, &hr_qp->rdb); + err_rq_sge_list: if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) kfree(hr_qp->rq_inl_buf.wqe_list[0].sg_list); diff --git a/drivers/infiniband/hw/i40iw/i40iw.h b/drivers/infiniband/hw/i40iw/i40iw.h index bcddd7061fc0..d5d8c1be345a 100644 --- a/drivers/infiniband/hw/i40iw/i40iw.h +++ b/drivers/infiniband/hw/i40iw/i40iw.h @@ -60,7 +60,7 @@ #include <i40e_client.h> #include "i40iw_type.h" #include "i40iw_p.h" -#include "i40iw_ucontext.h" +#include <rdma/i40iw-abi.h> #include "i40iw_pble.h" #include "i40iw_verbs.h" #include "i40iw_cm.h" @@ -559,18 +559,25 @@ void i40iw_next_iw_state(struct i40iw_qp *iwqp, u8 state, u8 del_hash, u8 term, u8 term_len); int i40iw_send_syn(struct i40iw_cm_node *cm_node, u32 sendack); +int i40iw_send_reset(struct i40iw_cm_node *cm_node); struct i40iw_cm_node *i40iw_find_node(struct i40iw_cm_core *cm_core, u16 rem_port, u32 *rem_addr, u16 loc_port, u32 *loc_addr, - bool add_refcnt); + bool add_refcnt, + bool accelerated_list); enum i40iw_status_code i40iw_hw_flush_wqes(struct i40iw_device *iwdev, struct i40iw_sc_qp *qp, struct i40iw_qp_flush_info *info, bool wait); +void i40iw_gen_ae(struct i40iw_device *iwdev, + struct i40iw_sc_qp *qp, + struct i40iw_gen_ae_info *info, + bool wait); + void i40iw_copy_ip_ntohl(u32 *dst, __be32 *src); struct ib_mr *i40iw_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index abf4cd897849..4cfa8f4647e2 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -539,7 +539,7 @@ static struct i40iw_puda_buf *i40iw_form_cm_frame(struct i40iw_cm_node *cm_node, * i40iw_send_reset - Send RST packet * @cm_node: connection's node */ -static int i40iw_send_reset(struct i40iw_cm_node *cm_node) +int i40iw_send_reset(struct i40iw_cm_node *cm_node) { struct i40iw_puda_buf *sqbuf; int flags = SET_RST | SET_ACK; @@ -1183,6 +1183,26 @@ static void i40iw_handle_close_entry(struct i40iw_cm_node *cm_node, u32 rem_node } /** + * i40iw_build_timer_list - Add cm_nodes to timer list + * @timer_list: ptr to timer list + * @hte: ptr to accelerated or non-accelerated list + */ +static void i40iw_build_timer_list(struct list_head *timer_list, + struct list_head *hte) +{ + struct i40iw_cm_node *cm_node; + struct list_head *list_core_temp, *list_node; + + list_for_each_safe(list_node, list_core_temp, hte) { + cm_node = container_of(list_node, struct i40iw_cm_node, list); + if (cm_node->close_entry || cm_node->send_entry) { + atomic_inc(&cm_node->ref_count); + list_add(&cm_node->timer_entry, timer_list); + } + } +} + +/** * i40iw_cm_timer_tick - system's timer expired callback * @pass: Pointing to cm_core */ @@ -1202,15 +1222,10 @@ static void i40iw_cm_timer_tick(struct timer_list *t) struct list_head timer_list; INIT_LIST_HEAD(&timer_list); - spin_lock_irqsave(&cm_core->ht_lock, flags); - list_for_each_safe(list_node, list_core_temp, &cm_core->connected_nodes) { - cm_node = container_of(list_node, struct i40iw_cm_node, list); - if (cm_node->close_entry || cm_node->send_entry) { - atomic_inc(&cm_node->ref_count); - list_add(&cm_node->timer_entry, &timer_list); - } - } + spin_lock_irqsave(&cm_core->ht_lock, flags); + i40iw_build_timer_list(&timer_list, &cm_core->non_accelerated_list); + i40iw_build_timer_list(&timer_list, &cm_core->accelerated_list); spin_unlock_irqrestore(&cm_core->ht_lock, flags); list_for_each_safe(list_node, list_core_temp, &timer_list) { @@ -1406,19 +1421,22 @@ static int i40iw_send_fin(struct i40iw_cm_node *cm_node) * @loc_port: local tcp port num * @loc_addr: loc ip addr * @add_refcnt: flag to increment refcount of cm_node + * @accelerated_list: flag for accelerated vs non-accelerated list to search */ struct i40iw_cm_node *i40iw_find_node(struct i40iw_cm_core *cm_core, u16 rem_port, u32 *rem_addr, u16 loc_port, u32 *loc_addr, - bool add_refcnt) + bool add_refcnt, + bool accelerated_list) { struct list_head *hte; struct i40iw_cm_node *cm_node; unsigned long flags; - hte = &cm_core->connected_nodes; + hte = accelerated_list ? + &cm_core->accelerated_list : &cm_core->non_accelerated_list; /* walk list and find cm_node associated with this session ID */ spin_lock_irqsave(&cm_core->ht_lock, flags); @@ -1487,22 +1505,40 @@ static struct i40iw_cm_listener *i40iw_find_listener( static void i40iw_add_hte_node(struct i40iw_cm_core *cm_core, struct i40iw_cm_node *cm_node) { - struct list_head *hte; unsigned long flags; if (!cm_node || !cm_core) { i40iw_pr_err("cm_node or cm_core == NULL\n"); return; } - spin_lock_irqsave(&cm_core->ht_lock, flags); - /* get a handle on the hash table element (list head for this slot) */ - hte = &cm_core->connected_nodes; - list_add_tail(&cm_node->list, hte); + spin_lock_irqsave(&cm_core->ht_lock, flags); + list_add_tail(&cm_node->list, &cm_core->non_accelerated_list); spin_unlock_irqrestore(&cm_core->ht_lock, flags); } /** + * i40iw_find_port - find port that matches reference port + * @port: port number + * @accelerated_list: flag for accelerated vs non-accelerated list + */ +static bool i40iw_find_port(struct i40iw_cm_core *cm_core, u16 port, + bool accelerated_list) +{ + struct list_head *hte; + struct i40iw_cm_node *cm_node; + + hte = accelerated_list ? + &cm_core->accelerated_list : &cm_core->non_accelerated_list; + + list_for_each_entry(cm_node, hte, list) { + if (cm_node->loc_port == port) + return true; + } + return false; +} + +/** * i40iw_port_in_use - determine if port is in use * @port: port number * @active_side: flag for listener side vs active side @@ -1510,19 +1546,14 @@ static void i40iw_add_hte_node(struct i40iw_cm_core *cm_core, static bool i40iw_port_in_use(struct i40iw_cm_core *cm_core, u16 port, bool active_side) { struct i40iw_cm_listener *listen_node; - struct i40iw_cm_node *cm_node; unsigned long flags; bool ret = false; if (active_side) { - /* search connected node list */ spin_lock_irqsave(&cm_core->ht_lock, flags); - list_for_each_entry(cm_node, &cm_core->connected_nodes, list) { - if (cm_node->loc_port == port) { - ret = true; - break; - } - } + ret = i40iw_find_port(cm_core, port, true); + if (!ret) + ret = i40iw_find_port(cm_core, port, false); if (!ret) clear_bit(port, cm_core->active_side_ports); spin_unlock_irqrestore(&cm_core->ht_lock, flags); @@ -1829,9 +1860,11 @@ static int i40iw_dec_refcnt_listen(struct i40iw_cm_core *cm_core, INIT_LIST_HEAD(&reset_list); if (free_hanging_nodes) { spin_lock_irqsave(&cm_core->ht_lock, flags); - list_for_each_safe(list_pos, list_temp, &cm_core->connected_nodes) { + list_for_each_safe(list_pos, + list_temp, &cm_core->non_accelerated_list) { cm_node = container_of(list_pos, struct i40iw_cm_node, list); - if ((cm_node->listener == listener) && !cm_node->accelerated) { + if ((cm_node->listener == listener) && + !cm_node->accelerated) { atomic_inc(&cm_node->ref_count); list_add(&cm_node->reset_entry, &reset_list); } @@ -3144,7 +3177,8 @@ void i40iw_receive_ilq(struct i40iw_sc_vsi *vsi, struct i40iw_puda_buf *rbuf) cm_info.rem_addr, cm_info.loc_port, cm_info.loc_addr, - true); + true, + false); if (!cm_node) { /* Only type of packet accepted are for */ @@ -3202,7 +3236,8 @@ void i40iw_setup_cm_core(struct i40iw_device *iwdev) cm_core->iwdev = iwdev; cm_core->dev = &iwdev->sc_dev; - INIT_LIST_HEAD(&cm_core->connected_nodes); + INIT_LIST_HEAD(&cm_core->accelerated_list); + INIT_LIST_HEAD(&cm_core->non_accelerated_list); INIT_LIST_HEAD(&cm_core->listen_nodes); timer_setup(&cm_core->tcp_timer, i40iw_cm_timer_tick, 0); @@ -3585,6 +3620,7 @@ int i40iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) struct i40iw_qp *iwqp; struct i40iw_device *iwdev; struct i40iw_sc_dev *dev; + struct i40iw_cm_core *cm_core; struct i40iw_cm_node *cm_node; struct ib_qp_attr attr; int passive_state; @@ -3594,6 +3630,7 @@ int i40iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) struct i40iw_kmem_info accept; enum i40iw_status_code status; u64 tagged_offset; + unsigned long flags; memset(&attr, 0, sizeof(attr)); ibqp = i40iw_get_qp(cm_id->device, conn_param->qpn); @@ -3603,6 +3640,7 @@ int i40iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) iwqp = to_iwqp(ibqp); iwdev = iwqp->iwdev; dev = &iwdev->sc_dev; + cm_core = &iwdev->cm_core; cm_node = (struct i40iw_cm_node *)cm_id->provider_data; if (((struct sockaddr_in *)&cm_id->local_addr)->sin_family == AF_INET) { @@ -3697,6 +3735,10 @@ int i40iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) i40iw_modify_qp(&iwqp->ibqp, &attr, IB_QP_STATE, NULL); cm_node->accelerated = true; + spin_lock_irqsave(&cm_core->ht_lock, flags); + list_move_tail(&cm_node->list, &cm_core->accelerated_list); + spin_unlock_irqrestore(&cm_core->ht_lock, flags); + status = i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_ESTABLISHED, 0); if (status) @@ -4026,10 +4068,12 @@ static void i40iw_cm_event_connected(struct i40iw_cm_event *event) { struct i40iw_qp *iwqp; struct i40iw_device *iwdev; + struct i40iw_cm_core *cm_core; struct i40iw_cm_node *cm_node; struct i40iw_sc_dev *dev; struct ib_qp_attr attr; struct iw_cm_id *cm_id; + unsigned long flags; int status; bool read0; @@ -4038,6 +4082,7 @@ static void i40iw_cm_event_connected(struct i40iw_cm_event *event) iwqp = (struct i40iw_qp *)cm_id->provider_data; iwdev = to_iwdev(iwqp->ibqp.device); dev = &iwdev->sc_dev; + cm_core = &iwdev->cm_core; if (iwqp->destroyed) { status = -ETIMEDOUT; @@ -4057,6 +4102,9 @@ static void i40iw_cm_event_connected(struct i40iw_cm_event *event) i40iw_modify_qp(&iwqp->ibqp, &attr, IB_QP_STATE, NULL); cm_node->accelerated = true; + spin_lock_irqsave(&cm_core->ht_lock, flags); + list_move_tail(&cm_node->list, &cm_core->accelerated_list); + spin_unlock_irqrestore(&cm_core->ht_lock, flags); status = i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_CONNECT_REPLY, 0); if (status) @@ -4256,25 +4304,38 @@ void i40iw_cm_teardown_connections(struct i40iw_device *iwdev, u32 *ipaddr, struct list_head *list_node; struct i40iw_cm_node *cm_node; unsigned long flags; - struct list_head connected_list; + struct list_head teardown_list; struct ib_qp_attr attr; - INIT_LIST_HEAD(&connected_list); + INIT_LIST_HEAD(&teardown_list); spin_lock_irqsave(&cm_core->ht_lock, flags); - list_for_each_safe(list_node, list_core_temp, &cm_core->connected_nodes) { + list_for_each_safe(list_node, list_core_temp, + &cm_core->accelerated_list) { + cm_node = container_of(list_node, struct i40iw_cm_node, list); + if (disconnect_all || + (nfo->vlan_id == cm_node->vlan_id && + (!memcmp(cm_node->loc_addr, ipaddr, nfo->ipv4 ? 4 : 16) || + !memcmp(cm_node->rem_addr, ipaddr, nfo->ipv4 ? 4 : 16)))) { + atomic_inc(&cm_node->ref_count); + list_add(&cm_node->teardown_entry, &teardown_list); + } + } + list_for_each_safe(list_node, list_core_temp, + &cm_core->non_accelerated_list) { cm_node = container_of(list_node, struct i40iw_cm_node, list); if (disconnect_all || (nfo->vlan_id == cm_node->vlan_id && (!memcmp(cm_node->loc_addr, ipaddr, nfo->ipv4 ? 4 : 16) || !memcmp(cm_node->rem_addr, ipaddr, nfo->ipv4 ? 4 : 16)))) { atomic_inc(&cm_node->ref_count); - list_add(&cm_node->connected_entry, &connected_list); + list_add(&cm_node->teardown_entry, &teardown_list); } } spin_unlock_irqrestore(&cm_core->ht_lock, flags); - list_for_each_safe(list_node, list_core_temp, &connected_list) { - cm_node = container_of(list_node, struct i40iw_cm_node, connected_entry); + list_for_each_safe(list_node, list_core_temp, &teardown_list) { + cm_node = container_of(list_node, struct i40iw_cm_node, + teardown_entry); attr.qp_state = IB_QPS_ERR; i40iw_modify_qp(&cm_node->iwqp->ibqp, &attr, IB_QP_STATE, NULL); if (iwdev->reset) diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.h b/drivers/infiniband/hw/i40iw/i40iw_cm.h index cf60c451e071..78ba36ae2bbe 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.h +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.h @@ -341,7 +341,7 @@ struct i40iw_cm_node { int accept_pend; struct list_head timer_entry; struct list_head reset_entry; - struct list_head connected_entry; + struct list_head teardown_entry; atomic_t passive_state; bool qhash_set; u8 user_pri; @@ -403,7 +403,8 @@ struct i40iw_cm_core { struct i40iw_sc_dev *dev; struct list_head listen_nodes; - struct list_head connected_nodes; + struct list_head accelerated_list; + struct list_head non_accelerated_list; struct timer_list tcp_timer; diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c index c74fd3309b93..4d841a3c68f3 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c @@ -2614,10 +2614,8 @@ static enum i40iw_status_code i40iw_sc_qp_flush_wqes( qp->flush_sq |= flush_sq; qp->flush_rq |= flush_rq; - if (!flush_sq && !flush_rq) { - if (info->ae_code != I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR) - return 0; - } + if (!flush_sq && !flush_rq) + return 0; cqp = qp->pd->dev->cqp; wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch); @@ -2659,6 +2657,49 @@ static enum i40iw_status_code i40iw_sc_qp_flush_wqes( } /** + * i40iw_sc_gen_ae - generate AE, currently uses flush WQE CQP OP + * @qp: sc qp + * @info: gen ae information + * @scratch: u64 saved to be used during cqp completion + * @post_sq: flag for cqp db to ring + */ +static enum i40iw_status_code i40iw_sc_gen_ae( + struct i40iw_sc_qp *qp, + struct i40iw_gen_ae_info *info, + u64 scratch, + bool post_sq) +{ + u64 temp; + u64 *wqe; + struct i40iw_sc_cqp *cqp; + u64 header; + + cqp = qp->pd->dev->cqp; + wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch); + if (!wqe) + return I40IW_ERR_RING_FULL; + + temp = info->ae_code | + LS_64(info->ae_source, I40IW_CQPSQ_FWQE_AESOURCE); + + set_64bit_val(wqe, 8, temp); + + header = qp->qp_uk.qp_id | + LS_64(I40IW_CQP_OP_GEN_AE, I40IW_CQPSQ_OPCODE) | + LS_64(1, I40IW_CQPSQ_FWQE_GENERATE_AE) | + LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID); + + i40iw_insert_wqe_hdr(wqe, header); + + i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "GEN_AE WQE", + wqe, I40IW_CQP_WQE_SIZE * 8); + + if (post_sq) + i40iw_sc_cqp_post_sq(cqp); + return 0; +} + +/** * i40iw_sc_qp_upload_context - upload qp's context * @dev: sc device struct * @info: upload context info ptr for return @@ -4148,6 +4189,13 @@ static enum i40iw_status_code i40iw_exec_cqp_cmd(struct i40iw_sc_dev *dev, pcmdinfo->in.u.qp_flush_wqes. scratch, pcmdinfo->post_sq); break; + case OP_GEN_AE: + status = i40iw_sc_gen_ae( + pcmdinfo->in.u.gen_ae.qp, + &pcmdinfo->in.u.gen_ae.info, + pcmdinfo->in.u.gen_ae.scratch, + pcmdinfo->post_sq); + break; case OP_ADD_ARP_CACHE_ENTRY: status = i40iw_sc_add_arp_cache_entry( pcmdinfo->in.u.add_arp_cache_entry.cqp, diff --git a/drivers/infiniband/hw/i40iw/i40iw_d.h b/drivers/infiniband/hw/i40iw/i40iw_d.h index 4b65e4140bd7..6ddaeec87d2f 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_d.h +++ b/drivers/infiniband/hw/i40iw/i40iw_d.h @@ -418,6 +418,8 @@ #define I40IW_CQP_OP_QUERY_FPM_VALUES 0x20 #define I40IW_CQP_OP_COMMIT_FPM_VALUES 0x21 #define I40IW_CQP_OP_FLUSH_WQES 0x22 +/* I40IW_CQP_OP_GEN_AE is the same value as I40IW_CQP_OP_FLUSH_WQES */ +#define I40IW_CQP_OP_GEN_AE 0x22 #define I40IW_CQP_OP_MANAGE_APBVT 0x23 #define I40IW_CQP_OP_NOP 0x24 #define I40IW_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY 0x25 @@ -1729,6 +1731,7 @@ enum i40iw_alignment { #define OP_COMMIT_FPM_VALUES 30 #define OP_REQUESTED_COMMANDS 31 #define OP_COMPLETED_COMMANDS 32 -#define OP_SIZE_CQP_STAT_ARRAY 33 +#define OP_GEN_AE 33 +#define OP_SIZE_CQP_STAT_ARRAY 34 #endif diff --git a/drivers/infiniband/hw/i40iw/i40iw_hw.c b/drivers/infiniband/hw/i40iw/i40iw_hw.c index 61540e14e4b9..6139836fb533 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_hw.c +++ b/drivers/infiniband/hw/i40iw/i40iw_hw.c @@ -352,6 +352,8 @@ void i40iw_process_aeq(struct i40iw_device *iwdev) else i40iw_cm_disconn(iwqp); break; + case I40IW_AE_BAD_CLOSE: + /* fall through */ case I40IW_AE_RESET_SENT: i40iw_next_iw_state(iwqp, I40IW_QP_STATE_ERROR, 1, 0, 0); i40iw_cm_disconn(iwqp); @@ -668,6 +670,39 @@ enum i40iw_status_code i40iw_hw_flush_wqes(struct i40iw_device *iwdev, } /** + * i40iw_gen_ae - generate AE + * @iwdev: iwarp device + * @qp: qp associated with AE + * @info: info for ae + * @wait: wait for completion + */ +void i40iw_gen_ae(struct i40iw_device *iwdev, + struct i40iw_sc_qp *qp, + struct i40iw_gen_ae_info *info, + bool wait) +{ + struct i40iw_gen_ae_info *ae_info; + struct i40iw_cqp_request *cqp_request; + struct cqp_commands_info *cqp_info; + + cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait); + if (!cqp_request) + return; + + cqp_info = &cqp_request->info; + ae_info = &cqp_request->info.in.u.gen_ae.info; + memcpy(ae_info, info, sizeof(*ae_info)); + + cqp_info->cqp_cmd = OP_GEN_AE; + cqp_info->post_sq = 1; + cqp_info->in.u.gen_ae.qp = qp; + cqp_info->in.u.gen_ae.scratch = (uintptr_t)cqp_request; + if (i40iw_handle_cqp_op(iwdev, cqp_request)) + i40iw_pr_err("CQP OP failed attempting to generate ae_code=0x%x\n", + info->ae_code); +} + +/** * i40iw_hw_manage_vf_pble_bp - manage vf pbles * @iwdev: iwarp device * @info: info for managing pble diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index b08862978de8..9cd0d3ef9057 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -1560,8 +1560,6 @@ static enum i40iw_status_code i40iw_setup_init_state(struct i40iw_handler *hdl, enum i40iw_status_code status; memcpy(&hdl->ldev, ldev, sizeof(*ldev)); - if (resource_profile == 1) - resource_profile = 2; iwdev->mpa_version = mpa_version; iwdev->resource_profile = (resource_profile < I40IW_HMC_PROFILE_EQUAL) ? diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c index 4c21197830b3..d9c7ae6a7030 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_puda.c +++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c @@ -348,8 +348,8 @@ enum i40iw_status_code i40iw_puda_poll_completion(struct i40iw_sc_dev *dev, spin_lock_irqsave(&rsrc->bufpool_lock, flags); rsrc->tx_wqe_avail_cnt++; spin_unlock_irqrestore(&rsrc->bufpool_lock, flags); - if (!list_empty(&rsrc->vsi->ilq->txpend)) - i40iw_puda_send_buf(rsrc->vsi->ilq, NULL); + if (!list_empty(&rsrc->txpend)) + i40iw_puda_send_buf(rsrc, NULL); } done: @@ -1471,10 +1471,6 @@ static void i40iw_ieq_tx_compl(struct i40iw_sc_vsi *vsi, void *sqwrid) struct i40iw_puda_buf *buf = (struct i40iw_puda_buf *)sqwrid; i40iw_puda_ret_bufpool(ieq, buf); - if (!list_empty(&ieq->txpend)) { - buf = i40iw_puda_get_listbuf(&ieq->txpend); - i40iw_puda_send_buf(ieq, buf); - } } /** diff --git a/drivers/infiniband/hw/i40iw/i40iw_type.h b/drivers/infiniband/hw/i40iw/i40iw_type.h index a27d392c92a2..adc8d2ec523d 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_type.h +++ b/drivers/infiniband/hw/i40iw/i40iw_type.h @@ -1004,6 +1004,11 @@ struct i40iw_cqp_query_fpm_values { u32 pbl_max; }; +struct i40iw_gen_ae_info { + u16 ae_code; + u8 ae_source; +}; + struct i40iw_cqp_ops { enum i40iw_status_code (*cqp_init)(struct i40iw_sc_cqp *, struct i40iw_cqp_init_info *); @@ -1291,6 +1296,12 @@ struct cqp_info { } qp_flush_wqes; struct { + struct i40iw_sc_qp *qp; + struct i40iw_gen_ae_info info; + u64 scratch; + } gen_ae; + + struct { struct i40iw_sc_cqp *cqp; void *fpm_values_va; u64 fpm_values_pa; diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index ddc1056b0b4e..a9ea966877f2 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -1284,15 +1284,13 @@ void i40iw_cqp_qp_destroy_cmd(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp) */ void i40iw_ieq_mpa_crc_ae(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp) { - struct i40iw_qp_flush_info info; + struct i40iw_gen_ae_info info; struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; i40iw_debug(dev, I40IW_DEBUG_AEQ, "%s entered\n", __func__); - memset(&info, 0, sizeof(info)); info.ae_code = I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR; - info.generate_ae = true; - info.ae_source = 0x3; - (void)i40iw_hw_flush_wqes(iwdev, qp, &info, false); + info.ae_source = I40IW_AE_SOURCE_RQ; + i40iw_gen_ae(iwdev, qp, &info, false); } /** @@ -1407,7 +1405,7 @@ struct i40iw_sc_qp *i40iw_ieq_get_qp(struct i40iw_sc_dev *dev, rem_port = ntohs(tcph->source); cm_node = i40iw_find_node(&iwdev->cm_core, rem_port, rem_addr, loc_port, - loc_addr, false); + loc_addr, false, true); if (!cm_node) return NULL; iwqp = cm_node->iwqp; diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 70024e8e2692..40e4f5ab2b46 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -38,6 +38,7 @@ #include <linux/highmem.h> #include <linux/time.h> #include <linux/hugetlb.h> +#include <linux/irq.h> #include <asm/byteorder.h> #include <net/ip.h> #include <rdma/ib_verbs.h> @@ -830,10 +831,10 @@ static int i40iw_query_qp(struct ib_qp *ibqp, void i40iw_hw_modify_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, struct i40iw_modify_qp_info *info, bool wait) { - enum i40iw_status_code status; struct i40iw_cqp_request *cqp_request; struct cqp_commands_info *cqp_info; struct i40iw_modify_qp_info *m_info; + struct i40iw_gen_ae_info ae_info; cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait); if (!cqp_request) @@ -846,9 +847,25 @@ void i40iw_hw_modify_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, cqp_info->post_sq = 1; cqp_info->in.u.qp_modify.qp = &iwqp->sc_qp; cqp_info->in.u.qp_modify.scratch = (uintptr_t)cqp_request; - status = i40iw_handle_cqp_op(iwdev, cqp_request); - if (status) - i40iw_pr_err("CQP-OP Modify QP fail"); + if (!i40iw_handle_cqp_op(iwdev, cqp_request)) + return; + + switch (m_info->next_iwarp_state) { + case I40IW_QP_STATE_RTS: + if (iwqp->iwarp_state == I40IW_QP_STATE_IDLE) + i40iw_send_reset(iwqp->cm_node); + /* fall through */ + case I40IW_QP_STATE_IDLE: + case I40IW_QP_STATE_TERMINATE: + case I40IW_QP_STATE_CLOSING: + ae_info.ae_code = I40IW_AE_BAD_CLOSE; + ae_info.ae_source = 0; + i40iw_gen_ae(iwdev, &iwqp->sc_qp, &ae_info, false); + break; + case I40IW_QP_STATE_ERROR: + default: + break; + } } /** @@ -961,10 +978,6 @@ int i40iw_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, iwqp->ibqp_state = attr->qp_state; - if (issue_modify_qp) - iwqp->iwarp_state = info.next_iwarp_state; - else - info.next_iwarp_state = iwqp->iwarp_state; } if (attr_mask & IB_QP_ACCESS_FLAGS) { ctx_info->iwarp_info_valid = true; @@ -1002,9 +1015,14 @@ int i40iw_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, spin_unlock_irqrestore(&iwqp->lock, flags); - if (issue_modify_qp) + if (issue_modify_qp) { i40iw_hw_modify_qp(iwdev, iwqp, &info, true); + spin_lock_irqsave(&iwqp->lock, flags); + iwqp->iwarp_state = info.next_iwarp_state; + spin_unlock_irqrestore(&iwqp->lock, flags); + } + if (issue_modify_qp && (iwqp->ibqp_state > IB_QPS_RTS)) { if (dont_wait) { if (iwqp->cm_id && iwqp->hw_tcp_state) { @@ -2729,6 +2747,25 @@ static int i40iw_destroy_ah(struct ib_ah *ah) } /** + * i40iw_get_vector_affinity - report IRQ affinity mask + * @ibdev: IB device + * @comp_vector: completion vector index + */ +static const struct cpumask *i40iw_get_vector_affinity(struct ib_device *ibdev, + int comp_vector) +{ + struct i40iw_device *iwdev = to_iwdev(ibdev); + struct i40iw_msix_vector *msix_vec; + + if (iwdev->msix_shared) + msix_vec = &iwdev->iw_msixtbl[comp_vector]; + else + msix_vec = &iwdev->iw_msixtbl[comp_vector + 1]; + + return irq_get_affinity_mask(msix_vec->irq); +} + +/** * i40iw_init_rdma_device - initialization of iwarp device * @iwdev: iwarp device */ @@ -2824,6 +2861,7 @@ static struct i40iw_ib_device *i40iw_init_rdma_device(struct i40iw_device *iwdev iwibdev->ibdev.req_notify_cq = i40iw_req_notify_cq; iwibdev->ibdev.post_send = i40iw_post_send; iwibdev->ibdev.post_recv = i40iw_post_recv; + iwibdev->ibdev.get_vector_affinity = i40iw_get_vector_affinity; return iwibdev; } @@ -2889,6 +2927,7 @@ int i40iw_register_rdma_device(struct i40iw_device *iwdev) return -ENOMEM; iwibdev = iwdev->iwibdev; + iwibdev->ibdev.driver_id = RDMA_DRIVER_I40IW; ret = ib_register_device(&iwibdev->ibdev, NULL); if (ret) goto error; diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c index 6dee4fdc5d67..9345d5b546d1 100644 --- a/drivers/infiniband/hw/mlx4/ah.c +++ b/drivers/infiniband/hw/mlx4/ah.c @@ -101,12 +101,10 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, if (ret) return ERR_PTR(ret); eth_zero_addr(ah->av.eth.s_mac); - if (gid_attr.ndev) { - if (is_vlan_dev(gid_attr.ndev)) - vlan_tag = vlan_dev_vlan_id(gid_attr.ndev); - memcpy(ah->av.eth.s_mac, gid_attr.ndev->dev_addr, ETH_ALEN); - dev_put(gid_attr.ndev); - } + if (is_vlan_dev(gid_attr.ndev)) + vlan_tag = vlan_dev_vlan_id(gid_attr.ndev); + memcpy(ah->av.eth.s_mac, gid_attr.ndev->dev_addr, ETH_ALEN); + dev_put(gid_attr.ndev); if (vlan_tag < 0x1000) vlan_tag |= (rdma_ah_get_sl(ah_attr) & 7) << 13; ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 5a0e4fc4785a..5b70744f414a 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -246,14 +246,11 @@ static int mlx4_ib_update_gids(struct gid_entry *gids, return mlx4_ib_update_gids_v1(gids, ibdev, port_num); } -static int mlx4_ib_add_gid(struct ib_device *device, - u8 port_num, - unsigned int index, - const union ib_gid *gid, +static int mlx4_ib_add_gid(const union ib_gid *gid, const struct ib_gid_attr *attr, void **context) { - struct mlx4_ib_dev *ibdev = to_mdev(device); + struct mlx4_ib_dev *ibdev = to_mdev(attr->device); struct mlx4_ib_iboe *iboe = &ibdev->iboe; struct mlx4_port_gid_table *port_gid_table; int free = -1, found = -1; @@ -262,16 +259,16 @@ static int mlx4_ib_add_gid(struct ib_device *device, int i; struct gid_entry *gids = NULL; - if (!rdma_cap_roce_gid_table(device, port_num)) + if (!rdma_cap_roce_gid_table(attr->device, attr->port_num)) return -EINVAL; - if (port_num > MLX4_MAX_PORTS) + if (attr->port_num > MLX4_MAX_PORTS) return -EINVAL; if (!context) return -EINVAL; - port_gid_table = &iboe->gids[port_num - 1]; + port_gid_table = &iboe->gids[attr->port_num - 1]; spin_lock_bh(&iboe->lock); for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) { if (!memcmp(&port_gid_table->gids[i].gid, gid, sizeof(*gid)) && @@ -318,33 +315,30 @@ static int mlx4_ib_add_gid(struct ib_device *device, spin_unlock_bh(&iboe->lock); if (!ret && hw_update) { - ret = mlx4_ib_update_gids(gids, ibdev, port_num); + ret = mlx4_ib_update_gids(gids, ibdev, attr->port_num); kfree(gids); } return ret; } -static int mlx4_ib_del_gid(struct ib_device *device, - u8 port_num, - unsigned int index, - void **context) +static int mlx4_ib_del_gid(const struct ib_gid_attr *attr, void **context) { struct gid_cache_context *ctx = *context; - struct mlx4_ib_dev *ibdev = to_mdev(device); + struct mlx4_ib_dev *ibdev = to_mdev(attr->device); struct mlx4_ib_iboe *iboe = &ibdev->iboe; struct mlx4_port_gid_table *port_gid_table; int ret = 0; int hw_update = 0; struct gid_entry *gids = NULL; - if (!rdma_cap_roce_gid_table(device, port_num)) + if (!rdma_cap_roce_gid_table(attr->device, attr->port_num)) return -EINVAL; - if (port_num > MLX4_MAX_PORTS) + if (attr->port_num > MLX4_MAX_PORTS) return -EINVAL; - port_gid_table = &iboe->gids[port_num - 1]; + port_gid_table = &iboe->gids[attr->port_num - 1]; spin_lock_bh(&iboe->lock); if (ctx) { ctx->refcount--; @@ -376,7 +370,7 @@ static int mlx4_ib_del_gid(struct ib_device *device, spin_unlock_bh(&iboe->lock); if (!ret && hw_update) { - ret = mlx4_ib_update_gids(gids, ibdev, port_num); + ret = mlx4_ib_update_gids(gids, ibdev, attr->port_num); kfree(gids); } return ret; @@ -411,9 +405,6 @@ int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, if (attr.ndev) dev_put(attr.ndev); - if (!memcmp(&gid, &zgid, sizeof(gid))) - return -EINVAL; - spin_lock_irqsave(&iboe->lock, flags); port_gid_table = &iboe->gids[port_num - 1]; @@ -429,6 +420,9 @@ int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, return real_index; } +#define field_avail(type, fld, sz) (offsetof(type, fld) + \ + sizeof(((type *)0)->fld) <= (sz)) + static int mlx4_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, struct ib_udata *uhw) @@ -556,14 +550,19 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->timestamp_mask = 0xFFFFFFFFFFFFULL; props->max_ah = INT_MAX; - if ((dev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) && - (mlx4_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET || - mlx4_ib_port_link_layer(ibdev, 2) == IB_LINK_LAYER_ETHERNET)) { - props->rss_caps.max_rwq_indirection_tables = props->max_qp; - props->rss_caps.max_rwq_indirection_table_size = - dev->dev->caps.max_rss_tbl_sz; - props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; - props->max_wq_type_rq = props->max_qp; + if (mlx4_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET || + mlx4_ib_port_link_layer(ibdev, 2) == IB_LINK_LAYER_ETHERNET) { + if (dev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) { + props->rss_caps.max_rwq_indirection_tables = + props->max_qp; + props->rss_caps.max_rwq_indirection_table_size = + dev->dev->caps.max_rss_tbl_sz; + props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; + props->max_wq_type_rq = props->max_qp; + } + + if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) + props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS; } props->cq_caps.max_cq_moderation_count = MLX4_MAX_CQ_COUNT; @@ -575,7 +574,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) { resp.response_length += sizeof(resp.hca_core_clock_offset); if (!err && !mlx4_is_slave(dev->dev)) { - resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; + resp.comp_mask |= MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET; resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; } } @@ -587,8 +586,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, sizeof(struct mlx4_wqe_data_seg); } - if (uhw->outlen >= resp.response_length + sizeof(resp.rss_caps)) { - resp.response_length += sizeof(resp.rss_caps); + if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { if (props->rss_caps.supported_qpts) { resp.rss_caps.rx_hash_function = MLX4_IB_RX_HASH_FUNC_TOEPLITZ; @@ -608,6 +606,22 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, resp.rss_caps.rx_hash_fields_mask |= MLX4_IB_RX_HASH_INNER; } + resp.response_length = offsetof(typeof(resp), rss_caps) + + sizeof(resp.rss_caps); + } + + if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { + if (dev->dev->caps.max_gso_sz && + ((mlx4_ib_port_link_layer(ibdev, 1) == + IB_LINK_LAYER_ETHERNET) || + (mlx4_ib_port_link_layer(ibdev, 2) == + IB_LINK_LAYER_ETHERNET))) { + resp.tso_caps.max_tso = dev->dev->caps.max_gso_sz; + resp.tso_caps.supported_qpts |= + 1 << IB_QPT_RAW_PACKET; + } + resp.response_length = offsetof(typeof(resp), tso_caps) + + sizeof(resp.tso_caps); } if (uhw->outlen) { @@ -865,24 +879,9 @@ out: static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid) { - int ret; - if (rdma_protocol_ib(ibdev, port)) return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); - - if (!rdma_protocol_roce(ibdev, port)) - return -ENODEV; - - if (!rdma_cap_roce_gid_table(ibdev, port)) - return -ENODEV; - - ret = ib_get_cached_gid(ibdev, port, index, gid, NULL); - if (ret == -EAGAIN) { - memcpy(gid, &zgid, sizeof(*gid)); - return 0; - } - - return ret; + return 0; } static int mlx4_ib_query_sl2vl(struct ib_device *ibdev, u8 port, u64 *sl2vl_tbl) @@ -1330,7 +1329,7 @@ static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, struct mlx4_ib_pd *pd; int err; - pd = kmalloc(sizeof *pd, GFP_KERNEL); + pd = kzalloc(sizeof(*pd), GFP_KERNEL); if (!pd) return ERR_PTR(-ENOMEM); @@ -1346,7 +1345,6 @@ static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, kfree(pd); return ERR_PTR(-EFAULT); } - return &pd->ibpd; } @@ -1860,6 +1858,9 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, if (flow_attr->port < 1 || flow_attr->port > qp->device->phys_port_cnt) return ERR_PTR(-EINVAL); + if (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP) + return ERR_PTR(-EOPNOTSUPP); + if ((flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) && (flow_attr->type != IB_FLOW_ATTR_NORMAL)) return ERR_PTR(-EOPNOTSUPP); @@ -2933,6 +2934,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) if (mlx4_ib_alloc_diag_counters(ibdev)) goto err_steer_free_bitmap; + ibdev->ib_dev.driver_id = RDMA_DRIVER_MLX4; if (ib_register_device(&ibdev->ib_dev, NULL)) goto err_diag_counters; diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index e14919c15b06..7b1429917aba 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -189,6 +189,7 @@ enum mlx4_ib_qp_flags { MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, + MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS, /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */ MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI, @@ -641,24 +642,6 @@ struct mlx4_uverbs_ex_query_device { __u32 reserved; }; -enum query_device_resp_mask { - QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, -}; - -struct mlx4_ib_rss_caps { - __u64 rx_hash_fields_mask; /* enum mlx4_rx_hash_fields */ - __u8 rx_hash_function; /* enum mlx4_rx_hash_function_flags */ - __u8 reserved[7]; -}; - -struct mlx4_uverbs_ex_query_device_resp { - __u32 comp_mask; - __u32 response_length; - __u64 hca_core_clock_offset; - __u32 max_inl_recv_sz; - struct mlx4_ib_rss_caps rss_caps; -}; - static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) { return container_of(ibdev, struct mlx4_ib_dev, ib_dev); diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 4975f3e6596e..17f4f151a97f 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -407,6 +407,9 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, goto err_mr; mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key; + mr->ibmr.length = length; + mr->ibmr.iova = virt_addr; + mr->ibmr.page_size = 1U << shift; return &mr->ibmr; diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index f045491f2c14..50af8915e7ec 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1096,6 +1096,17 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, qp->inl_recv_sz = ucmd.qp.inl_recv_sz; } + if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { + if (!(dev->dev->caps.flags & + MLX4_DEV_CAP_FLAG_FCS_KEEP)) { + pr_debug("scatter FCS is unsupported\n"); + err = -EOPNOTSUPP; + goto err; + } + + qp->flags |= MLX4_IB_QP_SCATTER_FCS; + } + err = set_rq_size(dev, &init_attr->cap, !!pd->uobject, qp_has_rq(init_attr), qp, qp->inl_recv_sz); if (err) @@ -2234,6 +2245,9 @@ static int __mlx4_ib_modify_qp(void *src, enum mlx4_ib_source_type src_type, if (qp->inl_recv_sz) context->param3 |= cpu_to_be32(1 << 25); + if (qp->flags & MLX4_IB_QP_SCATTER_FCS) + context->param3 |= cpu_to_be32(1 << 29); + if (qp_type == IB_QPT_GSI || qp_type == IB_QPT_SMI) context->mtu_msgmax = (IB_MTU_4096 << 5) | 11; else if (qp_type == IB_QPT_RAW_PACKET) @@ -2356,9 +2370,7 @@ static int __mlx4_ib_modify_qp(void *src, enum mlx4_ib_source_type src_type, status = ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &gid_attr); - if (!status && !memcmp(&gid, &zgid, sizeof(gid))) - status = -ENOENT; - if (!status && gid_attr.ndev) { + if (!status) { vlan = rdma_vlan_dev_vlan_id(gid_attr.ndev); memcpy(smac, gid_attr.ndev->dev_addr, ETH_ALEN); dev_put(gid_attr.ndev); @@ -3880,8 +3892,8 @@ out: */ wmb(); - writel(qp->doorbell_qpn, - to_mdev(ibqp->device)->uar_map + MLX4_SEND_DOORBELL); + writel_relaxed(qp->doorbell_qpn, + to_mdev(ibqp->device)->uar_map + MLX4_SEND_DOORBELL); /* * Make sure doorbells don't leak out of SQ spinlock @@ -4204,7 +4216,7 @@ struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd, return ERR_PTR(-EOPNOTSUPP); } - if (init_attr->create_flags) { + if (init_attr->create_flags & ~IB_WQ_FLAGS_SCATTER_FCS) { pr_debug("unsupported create_flags %u\n", init_attr->create_flags); return ERR_PTR(-EOPNOTSUPP); @@ -4225,6 +4237,9 @@ struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd, ib_qp_init_attr.recv_cq = init_attr->cq; ib_qp_init_attr.send_cq = ib_qp_init_attr.recv_cq; /* Dummy CQ */ + if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) + ib_qp_init_attr.create_flags |= IB_QP_CREATE_SCATTER_FCS; + err = create_qp_common(dev, pd, MLX4_IB_RWQ_SRC, &ib_qp_init_attr, udata, 0, &qp); if (err) { diff --git a/drivers/infiniband/hw/mlx5/ah.c b/drivers/infiniband/hw/mlx5/ah.c index fe269f680103..e6bde32a83f3 100644 --- a/drivers/infiniband/hw/mlx5/ah.c +++ b/drivers/infiniband/hw/mlx5/ah.c @@ -36,6 +36,9 @@ static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev, struct mlx5_ib_ah *ah, struct rdma_ah_attr *ah_attr) { + enum ib_gid_type gid_type; + int err; + if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) { const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr); @@ -50,6 +53,12 @@ static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev, ah->av.stat_rate_sl = (rdma_ah_get_static_rate(ah_attr) << 4); if (ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { + err = mlx5_get_roce_gid_type(dev, ah_attr->port_num, + ah_attr->grh.sgid_index, + &gid_type); + if (err) + return ERR_PTR(err); + memcpy(ah->av.rmac, ah_attr->roce.dmac, sizeof(ah_attr->roce.dmac)); ah->av.udp_sport = @@ -57,6 +66,9 @@ static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev, rdma_ah_get_port_num(ah_attr), rdma_ah_read_grh(ah_attr)->sgid_index); ah->av.stat_rate_sl |= (rdma_ah_get_sl(ah_attr) & 0x7) << 1; + if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) +#define MLX5_ECN_ENABLED BIT(1) + ah->av.tclass |= MLX5_ECN_ENABLED; } else { ah->av.rlid = cpu_to_be16(rdma_ah_get_dlid(ah_attr)); ah->av.fl_mlid = rdma_ah_get_path_bits(ah_attr) & 0x7f; diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c index 6f6712f87a73..188512bf46e6 100644 --- a/drivers/infiniband/hw/mlx5/cmd.c +++ b/drivers/infiniband/hw/mlx5/cmd.c @@ -66,3 +66,107 @@ int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *dev, return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out)); } + +int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr, + u64 length, u32 alignment) +{ + struct mlx5_core_dev *dev = memic->dev; + u64 num_memic_hw_pages = MLX5_CAP_DEV_MEM(dev, memic_bar_size) + >> PAGE_SHIFT; + u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr); + u32 max_alignment = MLX5_CAP_DEV_MEM(dev, log_max_memic_addr_alignment); + u32 num_pages = DIV_ROUND_UP(length, PAGE_SIZE); + u32 out[MLX5_ST_SZ_DW(alloc_memic_out)] = {}; + u32 in[MLX5_ST_SZ_DW(alloc_memic_in)] = {}; + u32 mlx5_alignment; + u64 page_idx = 0; + int ret = 0; + + if (!length || (length & MLX5_MEMIC_ALLOC_SIZE_MASK)) + return -EINVAL; + + /* mlx5 device sets alignment as 64*2^driver_value + * so normalizing is needed. + */ + mlx5_alignment = (alignment < MLX5_MEMIC_BASE_ALIGN) ? 0 : + alignment - MLX5_MEMIC_BASE_ALIGN; + if (mlx5_alignment > max_alignment) + return -EINVAL; + + MLX5_SET(alloc_memic_in, in, opcode, MLX5_CMD_OP_ALLOC_MEMIC); + MLX5_SET(alloc_memic_in, in, range_size, num_pages * PAGE_SIZE); + MLX5_SET(alloc_memic_in, in, memic_size, length); + MLX5_SET(alloc_memic_in, in, log_memic_addr_alignment, + mlx5_alignment); + + while (page_idx < num_memic_hw_pages) { + spin_lock(&memic->memic_lock); + page_idx = bitmap_find_next_zero_area(memic->memic_alloc_pages, + num_memic_hw_pages, + page_idx, + num_pages, 0); + + if (page_idx < num_memic_hw_pages) + bitmap_set(memic->memic_alloc_pages, + page_idx, num_pages); + + spin_unlock(&memic->memic_lock); + + if (page_idx >= num_memic_hw_pages) + break; + + MLX5_SET64(alloc_memic_in, in, range_start_addr, + hw_start_addr + (page_idx * PAGE_SIZE)); + + ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + if (ret) { + spin_lock(&memic->memic_lock); + bitmap_clear(memic->memic_alloc_pages, + page_idx, num_pages); + spin_unlock(&memic->memic_lock); + + if (ret == -EAGAIN) { + page_idx++; + continue; + } + + return ret; + } + + *addr = pci_resource_start(dev->pdev, 0) + + MLX5_GET64(alloc_memic_out, out, memic_start_addr); + + return 0; + } + + return -ENOMEM; +} + +int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length) +{ + struct mlx5_core_dev *dev = memic->dev; + u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr); + u32 num_pages = DIV_ROUND_UP(length, PAGE_SIZE); + u32 out[MLX5_ST_SZ_DW(dealloc_memic_out)] = {0}; + u32 in[MLX5_ST_SZ_DW(dealloc_memic_in)] = {0}; + u64 start_page_idx; + int err; + + addr -= pci_resource_start(dev->pdev, 0); + start_page_idx = (addr - hw_start_addr) >> PAGE_SHIFT; + + MLX5_SET(dealloc_memic_in, in, opcode, MLX5_CMD_OP_DEALLOC_MEMIC); + MLX5_SET64(dealloc_memic_in, in, memic_start_addr, addr); + MLX5_SET(dealloc_memic_in, in, memic_size, length); + + err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + + if (!err) { + spin_lock(&memic->memic_lock); + bitmap_clear(memic->memic_alloc_pages, + start_page_idx, num_pages); + spin_unlock(&memic->memic_lock); + } + + return err; +} diff --git a/drivers/infiniband/hw/mlx5/cmd.h b/drivers/infiniband/hw/mlx5/cmd.h index 78ffded7cc2c..e7206c8a8011 100644 --- a/drivers/infiniband/hw/mlx5/cmd.h +++ b/drivers/infiniband/hw/mlx5/cmd.h @@ -33,6 +33,7 @@ #ifndef MLX5_IB_CMD_H #define MLX5_IB_CMD_H +#include "mlx5_ib.h" #include <linux/kernel.h> #include <linux/mlx5/driver.h> @@ -41,4 +42,7 @@ int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, void *out, int out_size); int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *mdev, void *in, int in_size); +int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr, + u64 length, u32 alignment); +int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length); #endif /* MLX5_IB_CMD_H */ diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 071fd9a7b919..daa919e5a442 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -38,6 +38,7 @@ #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/slab.h> +#include <linux/bitmap.h> #if defined(CONFIG_X86) #include <asm/pat.h> #endif @@ -51,6 +52,7 @@ #include <linux/mlx5/port.h> #include <linux/mlx5/vport.h> #include <linux/mlx5/fs.h> +#include <linux/mlx5/fs_helpers.h> #include <linux/list.h> #include <rdma/ib_smi.h> #include <rdma/ib_umem.h> @@ -60,6 +62,13 @@ #include "ib_rep.h" #include "cmd.h" #include <linux/mlx5/fs_helpers.h> +#include <linux/mlx5/accel.h> +#include <rdma/uverbs_std_types.h> +#include <rdma/mlx5_user_ioctl_verbs.h> +#include <rdma/mlx5_user_ioctl_cmds.h> + +#define UVERBS_MODULE_NAME mlx5_ib +#include <rdma/uverbs_named_ioctl.h> #define DRIVER_NAME "mlx5_ib" #define DRIVER_VERSION "5.0-0" @@ -92,6 +101,12 @@ static LIST_HEAD(mlx5_ib_dev_list); */ static DEFINE_MUTEX(mlx5_ib_multiport_mutex); +/* We can't use an array for xlt_emergency_page because dma_map_single + * doesn't work on kernel modules memory + */ +static unsigned long xlt_emergency_page; +static struct mutex xlt_emergency_page_mutex; + struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi) { struct mlx5_ib_dev *dev; @@ -399,6 +414,9 @@ static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, if (err) goto out; + props->active_width = IB_WIDTH_4X; + props->active_speed = IB_SPEED_QDR; + translate_eth_proto_oper(eth_prot_oper, &props->active_speed, &props->active_width); @@ -493,18 +511,19 @@ static int set_roce_addr(struct mlx5_ib_dev *dev, u8 port_num, vlan_id, port_num); } -static int mlx5_ib_add_gid(struct ib_device *device, u8 port_num, - unsigned int index, const union ib_gid *gid, +static int mlx5_ib_add_gid(const union ib_gid *gid, const struct ib_gid_attr *attr, __always_unused void **context) { - return set_roce_addr(to_mdev(device), port_num, index, gid, attr); + return set_roce_addr(to_mdev(attr->device), attr->port_num, + attr->index, gid, attr); } -static int mlx5_ib_del_gid(struct ib_device *device, u8 port_num, - unsigned int index, __always_unused void **context) +static int mlx5_ib_del_gid(const struct ib_gid_attr *attr, + __always_unused void **context) { - return set_roce_addr(to_mdev(device), port_num, index, NULL, NULL); + return set_roce_addr(to_mdev(attr->device), attr->port_num, + attr->index, NULL, NULL); } __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, @@ -516,9 +535,6 @@ __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, if (ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr)) return 0; - if (!attr.ndev) - return 0; - dev_put(attr.ndev); if (attr.gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) @@ -538,9 +554,6 @@ int mlx5_get_roce_gid_type(struct mlx5_ib_dev *dev, u8 port_num, if (ret) return ret; - if (!attr.ndev) - return -ENODEV; - dev_put(attr.ndev); *gid_type = attr.gid_type; @@ -844,6 +857,10 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, MLX5_RX_HASH_SRC_PORT_UDP | MLX5_RX_HASH_DST_PORT_UDP | MLX5_RX_HASH_INNER; + if (mlx5_accel_ipsec_device_caps(dev->mdev) & + MLX5_ACCEL_IPSEC_CAP_DEVICE) + resp.rss_caps.rx_hash_fields_mask |= + MLX5_RX_HASH_IPSEC_SPI; resp.response_length += sizeof(resp.rss_caps); } } else { @@ -875,6 +892,11 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS; } + if (MLX5_CAP_DEV_MEM(mdev, memic)) { + props->max_dm_size = + MLX5_CAP_DEV_MEM(mdev, max_memic_size); + } + if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; @@ -980,6 +1002,10 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, MLX5_CAP_QOS(mdev, packet_pacing_min_rate); resp.packet_pacing_caps.supported_qpts |= 1 << IB_QPT_RAW_PACKET; + if (MLX5_CAP_QOS(mdev, packet_pacing_burst_bound) && + MLX5_CAP_QOS(mdev, packet_pacing_typical_size)) + resp.packet_pacing_caps.cap_flags |= + MLX5_IB_PP_SUPPORT_BURST; } resp.response_length += sizeof(resp.packet_pacing_caps); } @@ -1665,6 +1691,18 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, resp.response_length = min(offsetof(typeof(resp), response_length) + sizeof(resp.response_length), udata->outlen); + if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_DEVICE) { + if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_EGRESS)) + resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM; + if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA) + resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA; + if (MLX5_CAP_FLOWTABLE(dev->mdev, flow_table_properties_nic_receive.ft_field_support.outer_esp_spi)) + resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING; + if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN) + resp.flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN; + /* MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD is currently always 0 */ + } + context = kzalloc(sizeof(*context), GFP_KERNEL); if (!context) return ERR_PTR(-ENOMEM); @@ -1702,17 +1740,10 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range; #endif - context->upd_xlt_page = __get_free_page(GFP_KERNEL); - if (!context->upd_xlt_page) { - err = -ENOMEM; - goto out_uars; - } - mutex_init(&context->upd_xlt_page_mutex); - if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) { err = mlx5_ib_alloc_transport_domain(dev, &context->tdn); if (err) - goto out_page; + goto out_uars; } INIT_LIST_HEAD(&context->vma_private_list); @@ -1789,9 +1820,6 @@ out_td: if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) mlx5_ib_dealloc_transport_domain(dev, context->tdn); -out_page: - free_page(context->upd_xlt_page); - out_uars: deallocate_uars(dev, context); @@ -1817,7 +1845,6 @@ static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) mlx5_ib_dealloc_transport_domain(dev, context->tdn); - free_page(context->upd_xlt_page); deallocate_uars(dev, context); kfree(bfregi->sys_pages); kfree(bfregi->count); @@ -1993,6 +2020,8 @@ static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) return "best effort WC"; case MLX5_IB_MMAP_NC_PAGE: return "NC"; + case MLX5_IB_MMAP_DEVICE_MEM: + return "Device Memory"; default: return NULL; } @@ -2151,6 +2180,34 @@ free_bfreg: return err; } +static int dm_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) +{ + struct mlx5_ib_ucontext *mctx = to_mucontext(context); + struct mlx5_ib_dev *dev = to_mdev(context->device); + u16 page_idx = get_extended_index(vma->vm_pgoff); + size_t map_size = vma->vm_end - vma->vm_start; + u32 npages = map_size >> PAGE_SHIFT; + phys_addr_t pfn; + pgprot_t prot; + + if (find_next_zero_bit(mctx->dm_pages, page_idx + npages, page_idx) != + page_idx + npages) + return -EINVAL; + + pfn = ((pci_resource_start(dev->mdev->pdev, 0) + + MLX5_CAP64_DEV_MEM(dev->mdev, memic_bar_start_addr)) >> + PAGE_SHIFT) + + page_idx; + prot = pgprot_writecombine(vma->vm_page_prot); + vma->vm_page_prot = prot; + + if (io_remap_pfn_range(vma, vma->vm_start, pfn, map_size, + vma->vm_page_prot)) + return -EAGAIN; + + return mlx5_ib_set_vma_data(vma, mctx); +} + static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) { struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); @@ -2195,6 +2252,9 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm case MLX5_IB_MMAP_CLOCK_INFO: return mlx5_ib_mmap_clock_info_page(dev, vma, context); + case MLX5_IB_MMAP_DEVICE_MEM: + return dm_mmap(ibcontext, vma); + default: return -EINVAL; } @@ -2202,6 +2262,87 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm return 0; } +struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev, + struct ib_ucontext *context, + struct ib_dm_alloc_attr *attr, + struct uverbs_attr_bundle *attrs) +{ + u64 act_size = roundup(attr->length, MLX5_MEMIC_BASE_SIZE); + struct mlx5_memic *memic = &to_mdev(ibdev)->memic; + phys_addr_t memic_addr; + struct mlx5_ib_dm *dm; + u64 start_offset; + u32 page_idx; + int err; + + dm = kzalloc(sizeof(*dm), GFP_KERNEL); + if (!dm) + return ERR_PTR(-ENOMEM); + + mlx5_ib_dbg(to_mdev(ibdev), "alloc_memic req: user_length=0x%llx act_length=0x%llx log_alignment=%d\n", + attr->length, act_size, attr->alignment); + + err = mlx5_cmd_alloc_memic(memic, &memic_addr, + act_size, attr->alignment); + if (err) + goto err_free; + + start_offset = memic_addr & ~PAGE_MASK; + page_idx = (memic_addr - pci_resource_start(memic->dev->pdev, 0) - + MLX5_CAP64_DEV_MEM(memic->dev, memic_bar_start_addr)) >> + PAGE_SHIFT; + + err = uverbs_copy_to(attrs, + MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET, + &start_offset, sizeof(start_offset)); + if (err) + goto err_dealloc; + + err = uverbs_copy_to(attrs, + MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX, + &page_idx, sizeof(page_idx)); + if (err) + goto err_dealloc; + + bitmap_set(to_mucontext(context)->dm_pages, page_idx, + DIV_ROUND_UP(act_size, PAGE_SIZE)); + + dm->dev_addr = memic_addr; + + return &dm->ibdm; + +err_dealloc: + mlx5_cmd_dealloc_memic(memic, memic_addr, + act_size); +err_free: + kfree(dm); + return ERR_PTR(err); +} + +int mlx5_ib_dealloc_dm(struct ib_dm *ibdm) +{ + struct mlx5_memic *memic = &to_mdev(ibdm->device)->memic; + struct mlx5_ib_dm *dm = to_mdm(ibdm); + u64 act_size = roundup(dm->ibdm.length, MLX5_MEMIC_BASE_SIZE); + u32 page_idx; + int ret; + + ret = mlx5_cmd_dealloc_memic(memic, dm->dev_addr, act_size); + if (ret) + return ret; + + page_idx = (dm->dev_addr - pci_resource_start(memic->dev->pdev, 0) - + MLX5_CAP64_DEV_MEM(memic->dev, memic_bar_start_addr)) >> + PAGE_SHIFT; + bitmap_clear(to_mucontext(ibdm->uobject->context)->dm_pages, + page_idx, + DIV_ROUND_UP(act_size, PAGE_SIZE)); + + kfree(dm); + + return 0; +} + static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, struct ib_ucontext *context, struct ib_udata *udata) @@ -2317,8 +2458,28 @@ static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) offsetof(typeof(filter), field) -\ sizeof(filter.field)) +static int parse_flow_flow_action(const union ib_flow_spec *ib_spec, + const struct ib_flow_attr *flow_attr, + struct mlx5_flow_act *action) +{ + struct mlx5_ib_flow_action *maction = to_mflow_act(ib_spec->action.act); + + switch (maction->ib_action.type) { + case IB_FLOW_ACTION_ESP: + /* Currently only AES_GCM keymat is supported by the driver */ + action->esp_id = (uintptr_t)maction->esp_aes_gcm.ctx; + action->action |= flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS ? + MLX5_FLOW_CONTEXT_ACTION_ENCRYPT : + MLX5_FLOW_CONTEXT_ACTION_DECRYPT; + return 0; + default: + return -EOPNOTSUPP; + } +} + static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c, u32 *match_v, const union ib_flow_spec *ib_spec, + const struct ib_flow_attr *flow_attr, struct mlx5_flow_act *action) { void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, @@ -2328,6 +2489,7 @@ static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c, void *headers_c; void *headers_v; int match_ipv; + int ret; if (ib_spec->type & IB_FLOW_SPEC_INNER) { headers_c = MLX5_ADDR_OF(fte_match_param, match_c, @@ -2478,7 +2640,15 @@ static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c, ntohl(ib_spec->ipv6.mask.flow_label), ntohl(ib_spec->ipv6.val.flow_label), ib_spec->type & IB_FLOW_SPEC_INNER); + break; + case IB_FLOW_SPEC_ESP: + if (ib_spec->esp.mask.seq) + return -EOPNOTSUPP; + MLX5_SET(fte_match_set_misc, misc_params_c, outer_esp_spi, + ntohl(ib_spec->esp.mask.spi)); + MLX5_SET(fte_match_set_misc, misc_params_v, outer_esp_spi, + ntohl(ib_spec->esp.val.spi)); break; case IB_FLOW_SPEC_TCP: if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, @@ -2546,6 +2716,11 @@ static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c, return -EOPNOTSUPP; action->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; break; + case IB_FLOW_SPEC_ACTION_HANDLE: + ret = parse_flow_flow_action(ib_spec, flow_attr, action); + if (ret) + return ret; + break; default: return -EINVAL; } @@ -2587,6 +2762,46 @@ static bool flow_is_multicast_only(const struct ib_flow_attr *ib_attr) return false; } +enum valid_spec { + VALID_SPEC_INVALID, + VALID_SPEC_VALID, + VALID_SPEC_NA, +}; + +static enum valid_spec +is_valid_esp_aes_gcm(struct mlx5_core_dev *mdev, + const struct mlx5_flow_spec *spec, + const struct mlx5_flow_act *flow_act, + bool egress) +{ + const u32 *match_c = spec->match_criteria; + bool is_crypto = + (flow_act->action & (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT | + MLX5_FLOW_CONTEXT_ACTION_DECRYPT)); + bool is_ipsec = mlx5_fs_is_ipsec_flow(match_c); + bool is_drop = flow_act->action & MLX5_FLOW_CONTEXT_ACTION_DROP; + + /* + * Currently only crypto is supported in egress, when regular egress + * rules would be supported, always return VALID_SPEC_NA. + */ + if (!is_crypto) + return egress ? VALID_SPEC_INVALID : VALID_SPEC_NA; + + return is_crypto && is_ipsec && + (!egress || (!is_drop && !flow_act->has_flow_tag)) ? + VALID_SPEC_VALID : VALID_SPEC_INVALID; +} + +static bool is_valid_spec(struct mlx5_core_dev *mdev, + const struct mlx5_flow_spec *spec, + const struct mlx5_flow_act *flow_act, + bool egress) +{ + /* We curretly only support ipsec egress flow */ + return is_valid_esp_aes_gcm(mdev, spec, flow_act, egress) != VALID_SPEC_INVALID; +} + static bool is_valid_ethertype(struct mlx5_core_dev *mdev, const struct ib_flow_attr *flow_attr, bool check_inner) @@ -2711,13 +2926,17 @@ static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, log_max_ft_size)); if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { - if (flow_is_multicast_only(flow_attr) && - !dont_trap) + if (ft_type == MLX5_IB_FT_TX) + priority = 0; + else if (flow_is_multicast_only(flow_attr) && + !dont_trap) priority = MLX5_IB_FLOW_MCAST_PRIO; else priority = ib_prio_to_core_prio(flow_attr->priority, dont_trap); ns = mlx5_get_flow_namespace(dev->mdev, + ft_type == MLX5_IB_FT_TX ? + MLX5_FLOW_NAMESPACE_EGRESS : MLX5_FLOW_NAMESPACE_BYPASS); num_entries = MLX5_FS_MAX_ENTRIES; num_groups = MLX5_FS_MAX_TYPES; @@ -2804,6 +3023,7 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, unsigned int spec_index; int err = 0; int dest_num = 1; + bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS; if (!is_valid_attr(dev->mdev, flow_attr)) return ERR_PTR(-EINVAL); @@ -2820,7 +3040,7 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { err = parse_flow_attr(dev->mdev, spec->match_criteria, spec->match_value, - ib_flow, &flow_act); + ib_flow, flow_attr, &flow_act); if (err < 0) goto free; @@ -2843,12 +3063,23 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, } spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); + + if (is_egress && + !is_valid_spec(dev->mdev, spec, &flow_act, is_egress)) { + err = -EINVAL; + goto free; + } + if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP) { rule_dst = NULL; dest_num = 0; } else { - flow_act.action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : - MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; + if (is_egress) + flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW; + else + flow_act.action |= + dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : + MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; } if (flow_act.has_flow_tag && @@ -3022,6 +3253,7 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, struct mlx5_flow_destination *dst = NULL; struct mlx5_ib_flow_prio *ft_prio_tx = NULL; struct mlx5_ib_flow_prio *ft_prio; + bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS; int err; int underlay_qpn; @@ -3030,7 +3262,13 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, if (domain != IB_FLOW_DOMAIN_USER || flow_attr->port > dev->num_ports || - (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP)) + (flow_attr->flags & ~(IB_FLOW_ATTR_FLAGS_DONT_TRAP | + IB_FLOW_ATTR_FLAGS_EGRESS))) + return ERR_PTR(-EINVAL); + + if (is_egress && + (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || + flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) return ERR_PTR(-EINVAL); dst = kzalloc(sizeof(*dst), GFP_KERNEL); @@ -3039,7 +3277,8 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, mutex_lock(&dev->flow_db->lock); - ft_prio = get_flow_table(dev, flow_attr, MLX5_IB_FT_RX); + ft_prio = get_flow_table(dev, flow_attr, + is_egress ? MLX5_IB_FT_TX : MLX5_IB_FT_RX); if (IS_ERR(ft_prio)) { err = PTR_ERR(ft_prio); goto unlock; @@ -3053,11 +3292,15 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, } } - dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; - if (mqp->flags & MLX5_IB_QP_RSS) - dst->tir_num = mqp->rss_qp.tirn; - else - dst->tir_num = mqp->raw_packet_qp.rq.tirn; + if (is_egress) { + dst->type = MLX5_FLOW_DESTINATION_TYPE_PORT; + } else { + dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; + if (mqp->flags & MLX5_IB_QP_RSS) + dst->tir_num = mqp->rss_qp.tirn; + else + dst->tir_num = mqp->raw_packet_qp.rq.tirn; + } if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { @@ -3102,6 +3345,170 @@ unlock: return ERR_PTR(err); } +static u32 mlx5_ib_flow_action_flags_to_accel_xfrm_flags(u32 mlx5_flags) +{ + u32 flags = 0; + + if (mlx5_flags & MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA) + flags |= MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA; + + return flags; +} + +#define MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA +static struct ib_flow_action * +mlx5_ib_create_flow_action_esp(struct ib_device *device, + const struct ib_flow_action_attrs_esp *attr, + struct uverbs_attr_bundle *attrs) +{ + struct mlx5_ib_dev *mdev = to_mdev(device); + struct ib_uverbs_flow_action_esp_keymat_aes_gcm *aes_gcm; + struct mlx5_accel_esp_xfrm_attrs accel_attrs = {}; + struct mlx5_ib_flow_action *action; + u64 action_flags; + u64 flags; + int err = 0; + + if (IS_UVERBS_COPY_ERR(uverbs_copy_from(&action_flags, attrs, + MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS))) + return ERR_PTR(-EFAULT); + + if (action_flags >= (MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED << 1)) + return ERR_PTR(-EOPNOTSUPP); + + flags = mlx5_ib_flow_action_flags_to_accel_xfrm_flags(action_flags); + + /* We current only support a subset of the standard features. Only a + * keymat of type AES_GCM, with icv_len == 16, iv_algo == SEQ and esn + * (with overlap). Full offload mode isn't supported. + */ + if (!attr->keymat || attr->replay || attr->encap || + attr->spi || attr->seq || attr->tfc_pad || + attr->hard_limit_pkts || + (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED | + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT))) + return ERR_PTR(-EOPNOTSUPP); + + if (attr->keymat->protocol != + IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM) + return ERR_PTR(-EOPNOTSUPP); + + aes_gcm = &attr->keymat->keymat.aes_gcm; + + if (aes_gcm->icv_len != 16 || + aes_gcm->iv_algo != IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ) + return ERR_PTR(-EOPNOTSUPP); + + action = kmalloc(sizeof(*action), GFP_KERNEL); + if (!action) + return ERR_PTR(-ENOMEM); + + action->esp_aes_gcm.ib_flags = attr->flags; + memcpy(&accel_attrs.keymat.aes_gcm.aes_key, &aes_gcm->aes_key, + sizeof(accel_attrs.keymat.aes_gcm.aes_key)); + accel_attrs.keymat.aes_gcm.key_len = aes_gcm->key_len * 8; + memcpy(&accel_attrs.keymat.aes_gcm.salt, &aes_gcm->salt, + sizeof(accel_attrs.keymat.aes_gcm.salt)); + memcpy(&accel_attrs.keymat.aes_gcm.seq_iv, &aes_gcm->iv, + sizeof(accel_attrs.keymat.aes_gcm.seq_iv)); + accel_attrs.keymat.aes_gcm.icv_len = aes_gcm->icv_len * 8; + accel_attrs.keymat.aes_gcm.iv_algo = MLX5_ACCEL_ESP_AES_GCM_IV_ALGO_SEQ; + accel_attrs.keymat_type = MLX5_ACCEL_ESP_KEYMAT_AES_GCM; + + accel_attrs.esn = attr->esn; + if (attr->flags & IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED) + accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED; + if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW) + accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP; + + if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT) + accel_attrs.action |= MLX5_ACCEL_ESP_ACTION_ENCRYPT; + + action->esp_aes_gcm.ctx = + mlx5_accel_esp_create_xfrm(mdev->mdev, &accel_attrs, flags); + if (IS_ERR(action->esp_aes_gcm.ctx)) { + err = PTR_ERR(action->esp_aes_gcm.ctx); + goto err_parse; + } + + action->esp_aes_gcm.ib_flags = attr->flags; + + return &action->ib_action; + +err_parse: + kfree(action); + return ERR_PTR(err); +} + +static int +mlx5_ib_modify_flow_action_esp(struct ib_flow_action *action, + const struct ib_flow_action_attrs_esp *attr, + struct uverbs_attr_bundle *attrs) +{ + struct mlx5_ib_flow_action *maction = to_mflow_act(action); + struct mlx5_accel_esp_xfrm_attrs accel_attrs; + int err = 0; + + if (attr->keymat || attr->replay || attr->encap || + attr->spi || attr->seq || attr->tfc_pad || + attr->hard_limit_pkts || + (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED | + IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS | + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW))) + return -EOPNOTSUPP; + + /* Only the ESN value or the MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP can + * be modified. + */ + if (!(maction->esp_aes_gcm.ib_flags & + IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED) && + attr->flags & (IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED | + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)) + return -EINVAL; + + memcpy(&accel_attrs, &maction->esp_aes_gcm.ctx->attrs, + sizeof(accel_attrs)); + + accel_attrs.esn = attr->esn; + if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW) + accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP; + else + accel_attrs.flags &= ~MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP; + + err = mlx5_accel_esp_modify_xfrm(maction->esp_aes_gcm.ctx, + &accel_attrs); + if (err) + return err; + + maction->esp_aes_gcm.ib_flags &= + ~IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW; + maction->esp_aes_gcm.ib_flags |= + attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW; + + return 0; +} + +static int mlx5_ib_destroy_flow_action(struct ib_flow_action *action) +{ + struct mlx5_ib_flow_action *maction = to_mflow_act(action); + + switch (action->type) { + case IB_FLOW_ACTION_ESP: + /* + * We only support aes_gcm by now, so we implicitly know this is + * the underline crypto. + */ + mlx5_accel_esp_destroy_xfrm(maction->esp_aes_gcm.ctx); + break; + default: + WARN_ON(true); + break; + } + + kfree(maction); + return 0; +} + static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) { struct mlx5_ib_dev *dev = to_mdev(ibqp->device); @@ -4553,6 +4960,47 @@ static void mlx5_ib_cleanup_multiport_master(struct mlx5_ib_dev *dev) mlx5_nic_vport_disable_roce(dev->mdev); } +ADD_UVERBS_ATTRIBUTES_SIMPLE(mlx5_ib_dm, UVERBS_OBJECT_DM, + UVERBS_METHOD_DM_ALLOC, + &UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET, + UVERBS_ATTR_TYPE(u64), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY)), + &UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX, + UVERBS_ATTR_TYPE(u16), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); + +ADD_UVERBS_ATTRIBUTES_SIMPLE(mlx5_ib_flow_action, UVERBS_OBJECT_FLOW_ACTION, + UVERBS_METHOD_FLOW_ACTION_ESP_CREATE, + &UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS, + UVERBS_ATTR_TYPE(u64), + UA_FLAGS(UVERBS_ATTR_SPEC_F_MANDATORY))); + +#define NUM_TREES 2 +static int populate_specs_root(struct mlx5_ib_dev *dev) +{ + const struct uverbs_object_tree_def *default_root[NUM_TREES + 1] = { + uverbs_default_get_objects()}; + size_t num_trees = 1; + + if (mlx5_accel_ipsec_device_caps(dev->mdev) & MLX5_ACCEL_IPSEC_CAP_DEVICE && + !WARN_ON(num_trees >= ARRAY_SIZE(default_root))) + default_root[num_trees++] = &mlx5_ib_flow_action; + + if (MLX5_CAP_DEV_MEM(dev->mdev, memic) && + !WARN_ON(num_trees >= ARRAY_SIZE(default_root))) + default_root[num_trees++] = &mlx5_ib_dm; + + dev->ib_dev.specs_root = + uverbs_alloc_spec_tree(num_trees, default_root); + + return PTR_ERR_OR_ZERO(dev->ib_dev.specs_root); +} + +static void depopulate_specs_root(struct mlx5_ib_dev *dev) +{ + uverbs_free_spec_tree(dev->ib_dev.specs_root); +} + void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev) { mlx5_ib_cleanup_multiport_master(dev); @@ -4616,6 +5064,9 @@ int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev) INIT_LIST_HEAD(&dev->qp_list); spin_lock_init(&dev->reset_flow_resource_lock); + spin_lock_init(&dev->memic.memic_lock); + dev->memic.dev = mdev; + #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING err = init_srcu_struct(&dev->mr_srcu); if (err) @@ -4778,11 +5229,21 @@ int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev) (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); } + if (MLX5_CAP_DEV_MEM(mdev, memic)) { + dev->ib_dev.alloc_dm = mlx5_ib_alloc_dm; + dev->ib_dev.dealloc_dm = mlx5_ib_dealloc_dm; + dev->ib_dev.reg_dm_mr = mlx5_ib_reg_dm_mr; + } + dev->ib_dev.create_flow = mlx5_ib_create_flow; dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow; dev->ib_dev.uverbs_ex_cmd_mask |= (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); + dev->ib_dev.create_flow_action_esp = mlx5_ib_create_flow_action_esp; + dev->ib_dev.destroy_flow_action = mlx5_ib_destroy_flow_action; + dev->ib_dev.modify_flow_action_esp = mlx5_ib_modify_flow_action_esp; + dev->ib_dev.driver_id = RDMA_DRIVER_MLX5; err = init_node_data(dev); if (err) @@ -4997,11 +5458,21 @@ void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev) mlx5_free_bfreg(dev->mdev, &dev->bfreg); } +static int mlx5_ib_stage_populate_specs(struct mlx5_ib_dev *dev) +{ + return populate_specs_root(dev); +} + int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev) { return ib_register_device(&dev->ib_dev, NULL); } +static void mlx5_ib_stage_depopulate_specs(struct mlx5_ib_dev *dev) +{ + depopulate_specs_root(dev); +} + void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev) { destroy_umrc_res(dev); @@ -5136,6 +5607,9 @@ static const struct mlx5_ib_profile pf_profile = { STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR, NULL, mlx5_ib_stage_pre_ib_reg_umr_cleanup), + STAGE_CREATE(MLX5_IB_STAGE_SPECS, + mlx5_ib_stage_populate_specs, + mlx5_ib_stage_depopulate_specs), STAGE_CREATE(MLX5_IB_STAGE_IB_REG, mlx5_ib_stage_ib_reg_init, mlx5_ib_stage_ib_reg_cleanup), @@ -5181,6 +5655,9 @@ static const struct mlx5_ib_profile nic_rep_profile = { STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR, NULL, mlx5_ib_stage_pre_ib_reg_umr_cleanup), + STAGE_CREATE(MLX5_IB_STAGE_SPECS, + mlx5_ib_stage_populate_specs, + mlx5_ib_stage_depopulate_specs), STAGE_CREATE(MLX5_IB_STAGE_IB_REG, mlx5_ib_stage_ib_reg_init, mlx5_ib_stage_ib_reg_cleanup), @@ -5301,13 +5778,32 @@ static struct mlx5_interface mlx5_ib_interface = { .protocol = MLX5_INTERFACE_PROTOCOL_IB, }; +unsigned long mlx5_ib_get_xlt_emergency_page(void) +{ + mutex_lock(&xlt_emergency_page_mutex); + return xlt_emergency_page; +} + +void mlx5_ib_put_xlt_emergency_page(void) +{ + mutex_unlock(&xlt_emergency_page_mutex); +} + static int __init mlx5_ib_init(void) { int err; + xlt_emergency_page = __get_free_page(GFP_KERNEL); + if (!xlt_emergency_page) + return -ENOMEM; + + mutex_init(&xlt_emergency_page_mutex); + mlx5_ib_event_wq = alloc_ordered_workqueue("mlx5_ib_event_wq", 0); - if (!mlx5_ib_event_wq) + if (!mlx5_ib_event_wq) { + free_page(xlt_emergency_page); return -ENOMEM; + } mlx5_ib_odp_init(); @@ -5320,6 +5816,8 @@ static void __exit mlx5_ib_cleanup(void) { mlx5_unregister_interface(&mlx5_ib_interface); destroy_workqueue(mlx5_ib_event_wq); + mutex_destroy(&xlt_emergency_page_mutex); + free_page(xlt_emergency_page); } module_init(mlx5_ib_init); diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index c33bf1523d67..49a1aa0ff429 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -45,6 +45,7 @@ #include <linux/mlx5/transobj.h> #include <rdma/ib_user_verbs.h> #include <rdma/mlx5-abi.h> +#include <rdma/uverbs_ioctl.h> #define mlx5_ib_dbg(dev, format, arg...) \ pr_debug("%s:%s:%d:(pid %d): " format, (dev)->ib_dev.name, __func__, \ @@ -108,6 +109,16 @@ enum { MLX5_IB_INVALID_BFREG = BIT(31), }; +enum { + MLX5_MAX_MEMIC_PAGES = 0x100, + MLX5_MEMIC_ALLOC_SIZE_MASK = 0x3f, +}; + +enum { + MLX5_MEMIC_BASE_ALIGN = 6, + MLX5_MEMIC_BASE_SIZE = 1 << MLX5_MEMIC_BASE_ALIGN, +}; + struct mlx5_ib_vma_private_data { struct list_head list; struct vm_area_struct *vma; @@ -130,10 +141,8 @@ struct mlx5_ib_ucontext { /* protect vma_private_list add/del */ struct mutex vma_private_list_mutex; - unsigned long upd_xlt_page; - /* protect ODP/KSM */ - struct mutex upd_xlt_page_mutex; u64 lib_caps; + DECLARE_BITMAP(dm_pages, MLX5_MAX_MEMIC_PAGES); }; static inline struct mlx5_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) @@ -155,6 +164,7 @@ struct mlx5_ib_pd { #define MLX5_IB_NUM_FLOW_FT (MLX5_IB_FLOW_LEFTOVERS_PRIO + 1) #define MLX5_IB_NUM_SNIFFER_FTS 2 +#define MLX5_IB_NUM_EGRESS_FTS 1 struct mlx5_ib_flow_prio { struct mlx5_flow_table *flow_table; unsigned int refcount; @@ -170,6 +180,7 @@ struct mlx5_ib_flow_handler { struct mlx5_ib_flow_db { struct mlx5_ib_flow_prio prios[MLX5_IB_NUM_FLOW_FT]; struct mlx5_ib_flow_prio sniffer[MLX5_IB_NUM_SNIFFER_FTS]; + struct mlx5_ib_flow_prio egress[MLX5_IB_NUM_EGRESS_FTS]; struct mlx5_flow_table *lag_demux_ft; /* Protect flow steering bypass flow tables * when add/del flow rules. @@ -406,7 +417,7 @@ struct mlx5_ib_qp { struct list_head qps_list; struct list_head cq_recv_list; struct list_head cq_send_list; - u32 rate_limit; + struct mlx5_rate_limit rl; u32 underlay_qpn; bool tunnel_offload_en; /* storage for qp sub type when core qp type is IB_QPT_DRIVER */ @@ -522,8 +533,19 @@ enum mlx5_ib_mtt_access_flags { MLX5_IB_MTT_WRITE = (1 << 1), }; +struct mlx5_ib_dm { + struct ib_dm ibdm; + phys_addr_t dev_addr; +}; + #define MLX5_IB_MTT_PRESENT (MLX5_IB_MTT_READ | MLX5_IB_MTT_WRITE) +#define MLX5_IB_DM_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\ + IB_ACCESS_REMOTE_WRITE |\ + IB_ACCESS_REMOTE_READ |\ + IB_ACCESS_REMOTE_ATOMIC |\ + IB_ZERO_BASED) + struct mlx5_ib_mr { struct ib_mr ibmr; void *descs; @@ -743,6 +765,7 @@ enum mlx5_ib_stages { MLX5_IB_STAGE_UAR, MLX5_IB_STAGE_BFREG, MLX5_IB_STAGE_PRE_IB_REG_UMR, + MLX5_IB_STAGE_SPECS, MLX5_IB_STAGE_IB_REG, MLX5_IB_STAGE_POST_IB_REG_UMR, MLX5_IB_STAGE_DELAY_DROP, @@ -774,6 +797,22 @@ struct mlx5_ib_multiport_info { bool unaffiliate; }; +struct mlx5_ib_flow_action { + struct ib_flow_action ib_action; + union { + struct { + u64 ib_flags; + struct mlx5_accel_esp_xfrm *ctx; + } esp_aes_gcm; + }; +}; + +struct mlx5_memic { + struct mlx5_core_dev *dev; + spinlock_t memic_lock; + DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES); +}; + struct mlx5_ib_dev { struct ib_device ib_dev; struct mlx5_core_dev *mdev; @@ -820,6 +859,7 @@ struct mlx5_ib_dev { u8 umr_fence; struct list_head ib_dev_list; u64 sys_image_guid; + struct mlx5_memic memic; }; static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq) @@ -887,6 +927,11 @@ static inline struct mlx5_ib_srq *to_mibsrq(struct mlx5_core_srq *msrq) return container_of(msrq, struct mlx5_ib_srq, msrq); } +static inline struct mlx5_ib_dm *to_mdm(struct ib_dm *ibdm) +{ + return container_of(ibdm, struct mlx5_ib_dm, ibdm); +} + static inline struct mlx5_ib_mr *to_mmr(struct ib_mr *ibmr) { return container_of(ibmr, struct mlx5_ib_mr, ibmr); @@ -897,6 +942,12 @@ static inline struct mlx5_ib_mw *to_mmw(struct ib_mw *ibmw) return container_of(ibmw, struct mlx5_ib_mw, ibmw); } +static inline struct mlx5_ib_flow_action * +to_mflow_act(struct ib_flow_action *ibact) +{ + return container_of(ibact, struct mlx5_ib_flow_action, ib_action); +} + int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context, unsigned long virt, struct mlx5_db *db); void mlx5_ib_db_unmap_user(struct mlx5_ib_ucontext *context, struct mlx5_db *db); @@ -1025,7 +1076,14 @@ struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, struct ib_udata *udata); int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table); bool mlx5_ib_dc_atomic_is_supported(struct mlx5_ib_dev *dev); - +struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev, + struct ib_ucontext *context, + struct ib_dm_alloc_attr *attr, + struct uverbs_attr_bundle *attrs); +int mlx5_ib_dealloc_dm(struct ib_dm *ibdm); +struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm, + struct ib_dm_mr_attr *attr, + struct uverbs_attr_bundle *attrs); #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev); @@ -1221,4 +1279,7 @@ static inline int get_num_static_uars(struct mlx5_ib_dev *dev, return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * bfregi->num_static_sys_pages; } +unsigned long mlx5_ib_get_xlt_emergency_page(void); +void mlx5_ib_put_xlt_emergency_page(void); + #endif /* MLX5_IB_H */ diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 654bc31bc428..1520a2f20f98 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -47,10 +47,25 @@ enum { #define MLX5_UMR_ALIGN 2048 -static int clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); -static int dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); +static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); +static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); static int mr_cache_max_order(struct mlx5_ib_dev *dev); static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); +static bool umr_can_modify_entity_size(struct mlx5_ib_dev *dev) +{ + return !MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled); +} + +static bool umr_can_use_indirect_mkey(struct mlx5_ib_dev *dev) +{ + return !MLX5_CAP_GEN(dev->mdev, umr_indirect_mkey_disabled); +} + +static bool use_umr(struct mlx5_ib_dev *dev, int order) +{ + return order <= mr_cache_max_order(dev) && + umr_can_modify_entity_size(dev); +} static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) { @@ -189,7 +204,9 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num) MLX5_SET(mkc, mkc, free, 1); MLX5_SET(mkc, mkc, umr_en, 1); - MLX5_SET(mkc, mkc, access_mode, ent->access_mode); + MLX5_SET(mkc, mkc, access_mode_1_0, ent->access_mode & 0x3); + MLX5_SET(mkc, mkc, access_mode_4_2, + (ent->access_mode >> 2) & 0x7); MLX5_SET(mkc, mkc, qpn, 0xffffff); MLX5_SET(mkc, mkc, translations_octword_size, ent->xlt); @@ -220,26 +237,32 @@ static void remove_keys(struct mlx5_ib_dev *dev, int c, int num) { struct mlx5_mr_cache *cache = &dev->cache; struct mlx5_cache_ent *ent = &cache->ent[c]; + struct mlx5_ib_mr *tmp_mr; struct mlx5_ib_mr *mr; - int err; + LIST_HEAD(del_list); int i; for (i = 0; i < num; i++) { spin_lock_irq(&ent->lock); if (list_empty(&ent->head)) { spin_unlock_irq(&ent->lock); - return; + break; } mr = list_first_entry(&ent->head, struct mlx5_ib_mr, list); - list_del(&mr->list); + list_move(&mr->list, &del_list); ent->cur--; ent->size--; spin_unlock_irq(&ent->lock); - err = destroy_mkey(dev, mr); - if (err) - mlx5_ib_warn(dev, "failed destroy mkey\n"); - else - kfree(mr); + mlx5_core_destroy_mkey(dev->mdev, &mr->mmkey); + } + +#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING + synchronize_srcu(&dev->mr_srcu); +#endif + + list_for_each_entry_safe(mr, tmp_mr, &del_list, list) { + list_del(&mr->list); + kfree(mr); } } @@ -562,26 +585,32 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c) { struct mlx5_mr_cache *cache = &dev->cache; struct mlx5_cache_ent *ent = &cache->ent[c]; + struct mlx5_ib_mr *tmp_mr; struct mlx5_ib_mr *mr; - int err; + LIST_HEAD(del_list); cancel_delayed_work(&ent->dwork); while (1) { spin_lock_irq(&ent->lock); if (list_empty(&ent->head)) { spin_unlock_irq(&ent->lock); - return; + break; } mr = list_first_entry(&ent->head, struct mlx5_ib_mr, list); - list_del(&mr->list); + list_move(&mr->list, &del_list); ent->cur--; ent->size--; spin_unlock_irq(&ent->lock); - err = destroy_mkey(dev, mr); - if (err) - mlx5_ib_warn(dev, "failed destroy mkey\n"); - else - kfree(mr); + mlx5_core_destroy_mkey(dev->mdev, &mr->mmkey); + } + +#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING + synchronize_srcu(&dev->mr_srcu); +#endif + + list_for_each_entry_safe(mr, tmp_mr, &del_list, list) { + list_del(&mr->list); + kfree(mr); } } @@ -780,7 +809,7 @@ struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc) mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); - MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_PA); + MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_PA); MLX5_SET(mkc, mkc, a, !!(acc & IB_ACCESS_REMOTE_ATOMIC)); MLX5_SET(mkc, mkc, rw, !!(acc & IB_ACCESS_REMOTE_WRITE)); MLX5_SET(mkc, mkc, rr, !!(acc & IB_ACCESS_REMOTE_READ)); @@ -947,7 +976,10 @@ static inline int populate_xlt(struct mlx5_ib_mr *mr, int idx, int npages, { struct mlx5_ib_dev *dev = mr->dev; struct ib_umem *umem = mr->umem; + if (flags & MLX5_IB_UPD_XLT_INDIRECT) { + if (!umr_can_use_indirect_mkey(dev)) + return -EPERM; mlx5_odp_populate_klm(xlt, idx, npages, mr, flags); return npages; } @@ -977,7 +1009,6 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages, { struct mlx5_ib_dev *dev = mr->dev; struct device *ddev = dev->ib_dev.dev.parent; - struct mlx5_ib_ucontext *uctx = NULL; int size; void *xlt; dma_addr_t dma; @@ -993,6 +1024,11 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages, size_t pages_to_map = 0; size_t pages_iter = 0; gfp_t gfp; + bool use_emergency_page = false; + + if ((flags & MLX5_IB_UPD_XLT_INDIRECT) && + !umr_can_use_indirect_mkey(dev)) + return -EPERM; /* UMR copies MTTs in units of MLX5_UMR_MTT_ALIGNMENT bytes, * so we need to align the offset and length accordingly @@ -1019,12 +1055,11 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages, } if (!xlt) { - uctx = to_mucontext(mr->ibmr.pd->uobject->context); mlx5_ib_warn(dev, "Using XLT emergency buffer\n"); + xlt = (void *)mlx5_ib_get_xlt_emergency_page(); size = PAGE_SIZE; - xlt = (void *)uctx->upd_xlt_page; - mutex_lock(&uctx->upd_xlt_page_mutex); memset(xlt, 0, size); + use_emergency_page = true; } pages_iter = size / desc_size; dma = dma_map_single(ddev, xlt, size, DMA_TO_DEVICE); @@ -1088,8 +1123,8 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages, dma_unmap_single(ddev, dma, size, DMA_TO_DEVICE); free_xlt: - if (uctx) - mutex_unlock(&uctx->upd_xlt_page_mutex); + if (use_emergency_page) + mlx5_ib_put_xlt_emergency_page(); else free_pages((unsigned long)xlt, get_order(size)); @@ -1141,7 +1176,7 @@ static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd, mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); MLX5_SET(mkc, mkc, free, !populate); - MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_MTT); + MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT); MLX5_SET(mkc, mkc, a, !!(access_flags & IB_ACCESS_REMOTE_ATOMIC)); MLX5_SET(mkc, mkc, rw, !!(access_flags & IB_ACCESS_REMOTE_WRITE)); MLX5_SET(mkc, mkc, rr, !!(access_flags & IB_ACCESS_REMOTE_READ)); @@ -1197,22 +1232,96 @@ static void set_mr_fileds(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr, mr->access_flags = access_flags; } +static struct ib_mr *mlx5_ib_get_memic_mr(struct ib_pd *pd, u64 memic_addr, + u64 length, int acc) +{ + struct mlx5_ib_dev *dev = to_mdev(pd->device); + int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); + struct mlx5_core_dev *mdev = dev->mdev; + struct mlx5_ib_mr *mr; + void *mkc; + u32 *in; + int err; + + mr = kzalloc(sizeof(*mr), GFP_KERNEL); + if (!mr) + return ERR_PTR(-ENOMEM); + + in = kzalloc(inlen, GFP_KERNEL); + if (!in) { + err = -ENOMEM; + goto err_free; + } + + mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); + + MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MEMIC & 0x3); + MLX5_SET(mkc, mkc, access_mode_4_2, + (MLX5_MKC_ACCESS_MODE_MEMIC >> 2) & 0x7); + MLX5_SET(mkc, mkc, a, !!(acc & IB_ACCESS_REMOTE_ATOMIC)); + MLX5_SET(mkc, mkc, rw, !!(acc & IB_ACCESS_REMOTE_WRITE)); + MLX5_SET(mkc, mkc, rr, !!(acc & IB_ACCESS_REMOTE_READ)); + MLX5_SET(mkc, mkc, lw, !!(acc & IB_ACCESS_LOCAL_WRITE)); + MLX5_SET(mkc, mkc, lr, 1); + + MLX5_SET64(mkc, mkc, len, length); + MLX5_SET(mkc, mkc, pd, to_mpd(pd)->pdn); + MLX5_SET(mkc, mkc, qpn, 0xffffff); + MLX5_SET64(mkc, mkc, start_addr, + memic_addr - pci_resource_start(dev->mdev->pdev, 0)); + + err = mlx5_core_create_mkey(mdev, &mr->mmkey, in, inlen); + if (err) + goto err_in; + + kfree(in); + + mr->umem = NULL; + set_mr_fileds(dev, mr, 0, length, acc); + + return &mr->ibmr; + +err_in: + kfree(in); + +err_free: + kfree(mr); + + return ERR_PTR(err); +} + +struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm, + struct ib_dm_mr_attr *attr, + struct uverbs_attr_bundle *attrs) +{ + struct mlx5_ib_dm *mdm = to_mdm(dm); + u64 memic_addr; + + if (attr->access_flags & ~MLX5_IB_DM_ALLOWED_ACCESS) + return ERR_PTR(-EINVAL); + + memic_addr = mdm->dev_addr + attr->offset; + + return mlx5_ib_get_memic_mr(pd, memic_addr, attr->length, + attr->access_flags); +} + struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int access_flags, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(pd->device); struct mlx5_ib_mr *mr = NULL; + bool populate_mtts = false; struct ib_umem *umem; int page_shift; int npages; int ncont; int order; int err; - bool use_umr = true; if (!IS_ENABLED(CONFIG_INFINIBAND_USER_MEM)) - return ERR_PTR(-EINVAL); + return ERR_PTR(-EOPNOTSUPP); mlx5_ib_dbg(dev, "start 0x%llx, virt_addr 0x%llx, length 0x%llx, access_flags 0x%x\n", start, virt_addr, length, access_flags); @@ -1224,6 +1333,8 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, return ERR_PTR(-EINVAL); mr = mlx5_ib_alloc_implicit_mr(to_mpd(pd), access_flags); + if (IS_ERR(mr)) + return ERR_CAST(mr); return &mr->ibmr; } #endif @@ -1234,26 +1345,29 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, if (err < 0) return ERR_PTR(err); - if (order <= mr_cache_max_order(dev)) { + if (use_umr(dev, order)) { mr = alloc_mr_from_cache(pd, umem, virt_addr, length, ncont, page_shift, order, access_flags); if (PTR_ERR(mr) == -EAGAIN) { mlx5_ib_dbg(dev, "cache empty for order %d\n", order); mr = NULL; } + populate_mtts = false; } else if (!MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset)) { if (access_flags & IB_ACCESS_ON_DEMAND) { err = -EINVAL; pr_err("Got MR registration for ODP MR > 512MB, not supported for Connect-IB\n"); goto error; } - use_umr = false; + populate_mtts = true; } if (!mr) { + if (!umr_can_modify_entity_size(dev)) + populate_mtts = true; mutex_lock(&dev->slow_path_mutex); mr = reg_create(NULL, pd, virt_addr, length, umem, ncont, - page_shift, access_flags, !use_umr); + page_shift, access_flags, populate_mtts); mutex_unlock(&dev->slow_path_mutex); } @@ -1271,7 +1385,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, update_odp_mr(mr); #endif - if (use_umr) { + if (!populate_mtts) { int update_xlt_flags = MLX5_IB_UPD_XLT_ENABLE; if (access_flags & IB_ACCESS_ON_DEMAND) @@ -1286,7 +1400,9 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, } } +#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING mr->live = 1; +#endif return &mr->ibmr; error: ib_umem_release(umem); @@ -1365,36 +1481,34 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, ib_umem_release(mr->umem); err = mr_umem_get(pd, addr, len, access_flags, &mr->umem, &npages, &page_shift, &ncont, &order); - if (err < 0) { - clean_mr(dev, mr); - return err; - } + if (err) + goto err; } if (flags & IB_MR_REREG_TRANS && !use_umr_mtt_update(mr, addr, len)) { /* * UMR can't be used - MKey needs to be replaced. */ - if (mr->allocated_from_cache) { + if (mr->allocated_from_cache) err = unreg_umr(dev, mr); - if (err) - mlx5_ib_warn(dev, "Failed to unregister MR\n"); - } else { + else err = destroy_mkey(dev, mr); - if (err) - mlx5_ib_warn(dev, "Failed to destroy MKey\n"); - } if (err) - return err; + goto err; mr = reg_create(ib_mr, pd, addr, len, mr->umem, ncont, page_shift, access_flags, true); - if (IS_ERR(mr)) - return PTR_ERR(mr); + if (IS_ERR(mr)) { + err = PTR_ERR(mr); + mr = to_mmr(ib_mr); + goto err; + } mr->allocated_from_cache = 0; +#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING mr->live = 1; +#endif } else { /* * Send a UMR WQE @@ -1417,13 +1531,8 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, err = rereg_umr(pd, mr, access_flags, flags); } - if (err) { - mlx5_ib_warn(dev, "Failed to rereg UMR\n"); - ib_umem_release(mr->umem); - mr->umem = NULL; - clean_mr(dev, mr); - return err; - } + if (err) + goto err; } set_mr_fileds(dev, mr, npages, len, access_flags); @@ -1432,6 +1541,14 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, update_odp_mr(mr); #endif return 0; + +err: + if (mr->umem) { + ib_umem_release(mr->umem); + mr->umem = NULL; + } + clean_mr(dev, mr); + return err; } static int @@ -1480,10 +1597,9 @@ mlx5_free_priv_descs(struct mlx5_ib_mr *mr) } } -static int clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) +static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) { int allocated_from_cache = mr->allocated_from_cache; - int err; if (mr->sig) { if (mlx5_core_destroy_psv(dev->mdev, @@ -1500,21 +1616,11 @@ static int clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) mlx5_free_priv_descs(mr); - if (!allocated_from_cache) { - u32 key = mr->mmkey.key; - - err = destroy_mkey(dev, mr); - if (err) { - mlx5_ib_warn(dev, "failed to destroy mkey 0x%x (%d)\n", - key, err); - return err; - } - } - - return 0; + if (!allocated_from_cache) + destroy_mkey(dev, mr); } -static int dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) +static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) { int npages = mr->npages; struct ib_umem *umem = mr->umem; @@ -1555,16 +1661,12 @@ static int dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr) kfree(mr); else mlx5_mr_cache_free(dev, mr); - - return 0; } int mlx5_ib_dereg_mr(struct ib_mr *ibmr) { - struct mlx5_ib_dev *dev = to_mdev(ibmr->device); - struct mlx5_ib_mr *mr = to_mmr(ibmr); - - return dereg_mr(dev, mr); + dereg_mr(to_mdev(ibmr->device), to_mmr(ibmr)); + return 0; } struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, @@ -1645,7 +1747,8 @@ struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, goto err_free_in; } - MLX5_SET(mkc, mkc, access_mode, mr->access_mode); + MLX5_SET(mkc, mkc, access_mode_1_0, mr->access_mode & 0x3); + MLX5_SET(mkc, mkc, access_mode_4_2, (mr->access_mode >> 2) & 0x7); MLX5_SET(mkc, mkc, umr_en, 1); mr->ibmr.device = pd->device; @@ -1726,7 +1829,7 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, MLX5_SET(mkc, mkc, pd, to_mpd(pd)->pdn); MLX5_SET(mkc, mkc, umr_en, 1); MLX5_SET(mkc, mkc, lr, 1); - MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_KLMS); + MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_KLMS); MLX5_SET(mkc, mkc, en_rinval, !!((type == IB_MW_TYPE_2))); MLX5_SET(mkc, mkc, qpn, 0xffffff); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 0d0b0b8dad98..7ed4b70f6447 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -86,7 +86,9 @@ struct mlx5_modify_raw_qp_param { u16 operation; u32 set_mask; /* raw_qp_set_mask_map */ - u32 rate_limit; + + struct mlx5_rate_limit rl; + u8 rq_q_ctr_id; }; @@ -878,7 +880,7 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, goto err_free; } - err = ib_copy_to_udata(udata, resp, sizeof(*resp)); + err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); if (err) { mlx5_ib_dbg(dev, "copy failed\n"); goto err_unmap; @@ -1411,6 +1413,7 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, void *tirc; void *hfso; u32 selected_fields = 0; + u32 outer_l4; size_t min_resp_len; u32 tdn = mucontext->tdn; struct mlx5_ib_create_qp_rss ucmd = {}; @@ -1466,7 +1469,7 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, return -EOPNOTSUPP; } - err = ib_copy_to_udata(udata, &resp, min_resp_len); + err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); if (err) { mlx5_ib_dbg(dev, "copy failed\n"); return -EINVAL; @@ -1541,10 +1544,14 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, MLX5_L3_PROT_TYPE_IPV6); - if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && - ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || - (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { + outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || + (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | + ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || + (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | + (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; + + /* Check that only one l4 protocol is set */ + if (outer_l4 & (outer_l4 - 1)) { err = -EINVAL; goto err; } @@ -1575,6 +1582,9 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; + if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) + selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; + MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); create_tir: @@ -2774,8 +2784,9 @@ static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, const struct mlx5_modify_raw_qp_param *raw_qp_param) { struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; - u32 old_rate = ibqp->rate_limit; - u32 new_rate = old_rate; + struct mlx5_rate_limit old_rl = ibqp->rl; + struct mlx5_rate_limit new_rl = old_rl; + bool new_rate_added = false; u16 rl_index = 0; void *in; void *sqc; @@ -2797,39 +2808,43 @@ static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", __func__); else - new_rate = raw_qp_param->rate_limit; + new_rl = raw_qp_param->rl; } - if (old_rate != new_rate) { - if (new_rate) { - err = mlx5_rl_add_rate(dev, new_rate, &rl_index); + if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { + if (new_rl.rate) { + err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); if (err) { - pr_err("Failed configuring rate %u: %d\n", - new_rate, err); + pr_err("Failed configuring rate limit(err %d): \ + rate %u, max_burst_sz %u, typical_pkt_sz %u\n", + err, new_rl.rate, new_rl.max_burst_sz, + new_rl.typical_pkt_sz); + goto out; } + new_rate_added = true; } MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); + /* index 0 means no limit */ MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); } err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); if (err) { /* Remove new rate from table if failed */ - if (new_rate && - old_rate != new_rate) - mlx5_rl_remove_rate(dev, new_rate); + if (new_rate_added) + mlx5_rl_remove_rate(dev, &new_rl); goto out; } /* Only remove the old rate after new rate was set */ - if ((old_rate && - (old_rate != new_rate)) || + if ((old_rl.rate && + !mlx5_rl_are_equal(&old_rl, &new_rl)) || (new_state != MLX5_SQC_STATE_RDY)) - mlx5_rl_remove_rate(dev, old_rate); + mlx5_rl_remove_rate(dev, &old_rl); - ibqp->rate_limit = new_rate; + ibqp->rl = new_rl; sq->state = new_state; out: @@ -2906,7 +2921,8 @@ static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr, int attr_mask, - enum ib_qp_state cur_state, enum ib_qp_state new_state) + enum ib_qp_state cur_state, enum ib_qp_state new_state, + const struct mlx5_ib_modify_qp *ucmd) { static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { [MLX5_QP_STATE_RST] = { @@ -2959,18 +2975,16 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, u16 op; u8 tx_affinity = 0; + mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? + qp->qp_sub_type : ibqp->qp_type); + if (mlx5_st < 0) + return -EINVAL; + context = kzalloc(sizeof(*context), GFP_KERNEL); if (!context) return -ENOMEM; - err = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? - qp->qp_sub_type : ibqp->qp_type); - if (err < 0) { - mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); - goto out; - } - - context->flags = cpu_to_be32(err << 16); + context->flags = cpu_to_be32(mlx5_st << 16); if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); @@ -3124,10 +3138,6 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, mlx5_cur = to_mlx5_state(cur_state); mlx5_new = to_mlx5_state(new_state); - mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? - qp->qp_sub_type : ibqp->qp_type); - if (mlx5_st < 0) - goto out; if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || !optab[mlx5_cur][mlx5_new]) { @@ -3150,7 +3160,30 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, } if (attr_mask & IB_QP_RATE_LIMIT) { - raw_qp_param.rate_limit = attr->rate_limit; + raw_qp_param.rl.rate = attr->rate_limit; + + if (ucmd->burst_info.max_burst_sz) { + if (attr->rate_limit && + MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { + raw_qp_param.rl.max_burst_sz = + ucmd->burst_info.max_burst_sz; + } else { + err = -EINVAL; + goto out; + } + } + + if (ucmd->burst_info.typical_pkt_sz) { + if (attr->rate_limit && + MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { + raw_qp_param.rl.typical_pkt_sz = + ucmd->burst_info.typical_pkt_sz; + } else { + err = -EINVAL; + goto out; + } + } + raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; } @@ -3178,7 +3211,8 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, * If we moved a kernel QP to RESET, clean up all old CQ * entries and reinitialize the QP. */ - if (new_state == IB_QPS_RESET && !ibqp->uobject) { + if (new_state == IB_QPS_RESET && + !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, ibqp->srq ? to_msrq(ibqp->srq) : NULL); if (send_cq != recv_cq) @@ -3337,8 +3371,10 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, { struct mlx5_ib_dev *dev = to_mdev(ibqp->device); struct mlx5_ib_qp *qp = to_mqp(ibqp); + struct mlx5_ib_modify_qp ucmd = {}; enum ib_qp_type qp_type; enum ib_qp_state cur_state, new_state; + size_t required_cmd_sz; int err = -EINVAL; int port; enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; @@ -3346,6 +3382,28 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, if (ibqp->rwq_ind_tbl) return -ENOSYS; + if (udata && udata->inlen) { + required_cmd_sz = offsetof(typeof(ucmd), reserved) + + sizeof(ucmd.reserved); + if (udata->inlen < required_cmd_sz) + return -EINVAL; + + if (udata->inlen > sizeof(ucmd) && + !ib_is_udata_cleared(udata, sizeof(ucmd), + udata->inlen - sizeof(ucmd))) + return -EOPNOTSUPP; + + if (ib_copy_from_udata(&ucmd, udata, + min(udata->inlen, sizeof(ucmd)))) + return -EFAULT; + + if (ucmd.comp_mask || + memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || + memchr_inv(&ucmd.burst_info.reserved, 0, + sizeof(ucmd.burst_info.reserved))) + return -EOPNOTSUPP; + } + if (unlikely(ibqp->qp_type == IB_QPT_GSI)) return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); @@ -3426,7 +3484,8 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, goto out; } - err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); + err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, + new_state, &ucmd); out: mutex_unlock(&qp->mutex); @@ -3646,8 +3705,19 @@ static __be64 get_umr_update_pd_mask(void) return cpu_to_be64(result); } -static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, - struct ib_send_wr *wr, int atomic) +static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) +{ + if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && + MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || + (mask & MLX5_MKEY_MASK_A && + MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) + return -EPERM; + return 0; +} + +static int set_reg_umr_segment(struct mlx5_ib_dev *dev, + struct mlx5_wqe_umr_ctrl_seg *umr, + struct ib_send_wr *wr, int atomic) { struct mlx5_umr_wr *umrwr = umr_wr(wr); @@ -3679,6 +3749,8 @@ static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, if (!wr->num_sge) umr->flags |= MLX5_UMR_INLINE; + + return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); } static u8 get_umr_flags(int acc) @@ -4501,7 +4573,9 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, } qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); - set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); + err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); + if (unlikely(err)) + goto out; seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; if (unlikely((seg == qend))) diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 6fee7795d1c8..541f237965c7 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -1295,6 +1295,7 @@ int mthca_register_device(struct mthca_dev *dev) mutex_init(&dev->cap_mask_mutex); + dev->ib_dev.driver_id = RDMA_DRIVER_MTHCA; ret = ib_register_device(&dev->ib_dev, NULL); if (ret) return ret; diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 162475aeeedd..1040a6e34230 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -3854,6 +3854,7 @@ int nes_register_ofa_device(struct nes_ib_device *nesibdev) struct nes_adapter *nesadapter = nesdev->nesadapter; int i, ret; + nesvnic->nesibdev->ibdev.driver_id = RDMA_DRIVER_NES; ret = ib_register_device(&nesvnic->nesibdev->ibdev, NULL); if (ret) { return ret; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index dec650930ca6..3897b64532e1 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -193,11 +193,9 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr, __func__, status); goto av_conf_err; } - if (sgid_attr.ndev) { - if (is_vlan_dev(sgid_attr.ndev)) - vlan_tag = vlan_dev_vlan_id(sgid_attr.ndev); - dev_put(sgid_attr.ndev); - } + if (is_vlan_dev(sgid_attr.ndev)) + vlan_tag = vlan_dev_vlan_id(sgid_attr.ndev); + dev_put(sgid_attr.ndev); /* Get network header type for this GID */ ah->hdr_type = ib_gid_to_network_type(sgid_attr.gid_type, &sgid); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 9904918589a4..2c260e1c29d1 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2014,7 +2014,7 @@ static int ocrdma_mbx_reg_mr_cont(struct ocrdma_dev *dev, struct ocrdma_hw_mr *hwmr, u32 pbl_cnt, u32 pbl_offset, u32 last) { - int status = -ENOMEM; + int status; int i; struct ocrdma_reg_nsmr_cont *cmd; @@ -2033,9 +2033,7 @@ static int ocrdma_mbx_reg_mr_cont(struct ocrdma_dev *dev, upper_32_bits(hwmr->pbl_table[i + pbl_offset].pa); } status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); - if (status) - goto mbx_err; -mbx_err: + kfree(cmd); return status; } @@ -2496,7 +2494,7 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, { int status; struct rdma_ah_attr *ah_attr = &attrs->ah_attr; - union ib_gid sgid, zgid; + union ib_gid sgid; struct ib_gid_attr sgid_attr; u32 vlan_id = 0xFFFF; u8 mac_addr[6], hdr_type; @@ -2529,16 +2527,12 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, status = ib_get_cached_gid(&dev->ibdev, 1, grh->sgid_index, &sgid, &sgid_attr); - if (!status && sgid_attr.ndev) { + if (!status) { vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); memcpy(mac_addr, sgid_attr.ndev->dev_addr, ETH_ALEN); dev_put(sgid_attr.ndev); } - memset(&zgid, 0, sizeof(zgid)); - if (!memcmp(&sgid, &zgid, sizeof(zgid))) - return -EINVAL; - qp->sgid_idx = grh->sgid_index; memcpy(&cmd->params.sgid[0], &sgid.raw[0], sizeof(cmd->params.sgid)); status = ocrdma_resolve_dmac(dev, ah_attr, &mac_addr[0]); @@ -3133,12 +3127,12 @@ done: static int ocrdma_mbx_modify_eqd(struct ocrdma_dev *dev, struct ocrdma_eq *eq, int num) { - int i, status = -ENOMEM; + int i, status; struct ocrdma_modify_eqd_req *cmd; cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_MODIFY_EQ_DELAY, sizeof(*cmd)); if (!cmd) - return status; + return -ENOMEM; ocrdma_init_mch(&cmd->cmd.req, OCRDMA_CMD_MODIFY_EQ_DELAY, OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); @@ -3151,9 +3145,7 @@ static int ocrdma_mbx_modify_eqd(struct ocrdma_dev *dev, struct ocrdma_eq *eq, (eq[i].aic_obj.prev_eqd * 65)/100; } status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); - if (status) - goto mbx_err; -mbx_err: + kfree(cmd); return status; } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index fbfbd9e96147..eb8b6a935016 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -158,10 +158,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev) dev->ibdev.query_device = ocrdma_query_device; dev->ibdev.query_port = ocrdma_query_port; dev->ibdev.modify_port = ocrdma_modify_port; - dev->ibdev.query_gid = ocrdma_query_gid; dev->ibdev.get_netdev = ocrdma_get_netdev; - dev->ibdev.add_gid = ocrdma_add_gid; - dev->ibdev.del_gid = ocrdma_del_gid; dev->ibdev.get_link_layer = ocrdma_link_layer; dev->ibdev.alloc_pd = ocrdma_alloc_pd; dev->ibdev.dealloc_pd = ocrdma_dealloc_pd; @@ -217,6 +214,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev) dev->ibdev.destroy_srq = ocrdma_destroy_srq; dev->ibdev.post_srq_recv = ocrdma_post_srq_recv; } + dev->ibdev.driver_id = RDMA_DRIVER_OCRDMA; return ib_register_device(&dev->ibdev, NULL); } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 8009bdad4e5b..784ed6b09a46 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -62,40 +62,6 @@ int ocrdma_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) return 0; } -int ocrdma_query_gid(struct ib_device *ibdev, u8 port, - int index, union ib_gid *sgid) -{ - int ret; - - memset(sgid, 0, sizeof(*sgid)); - if (index >= OCRDMA_MAX_SGID) - return -EINVAL; - - ret = ib_get_cached_gid(ibdev, port, index, sgid, NULL); - if (ret == -EAGAIN) { - memcpy(sgid, &zgid, sizeof(*sgid)); - return 0; - } - - return ret; -} - -int ocrdma_add_gid(struct ib_device *device, - u8 port_num, - unsigned int index, - const union ib_gid *gid, - const struct ib_gid_attr *attr, - void **context) { - return 0; -} - -int ocrdma_del_gid(struct ib_device *device, - u8 port_num, - unsigned int index, - void **context) { - return 0; -} - int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr, struct ib_udata *uhw) { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index 704ef1e9271b..9a9971708646 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -61,19 +61,7 @@ enum rdma_protocol_type ocrdma_query_protocol(struct ib_device *device, u8 port_num); void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid); -int ocrdma_query_gid(struct ib_device *, u8 port, - int index, union ib_gid *gid); struct net_device *ocrdma_get_netdev(struct ib_device *device, u8 port_num); -int ocrdma_add_gid(struct ib_device *device, - u8 port_num, - unsigned int index, - const union ib_gid *gid, - const struct ib_gid_attr *attr, - void **context); -int ocrdma_del_gid(struct ib_device *device, - u8 port_num, - unsigned int index, - void **context); int ocrdma_query_pkey(struct ib_device *, u8 port, u16 index, u16 *pkey); struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *, diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index f9a645c869ce..f4cb60b658ea 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -162,10 +162,6 @@ static int qedr_iw_register_device(struct qedr_dev *dev) static void qedr_roce_register_device(struct qedr_dev *dev) { dev->ibdev.node_type = RDMA_NODE_IB_CA; - dev->ibdev.query_gid = qedr_query_gid; - - dev->ibdev.add_gid = qedr_add_gid; - dev->ibdev.del_gid = qedr_del_gid; dev->ibdev.get_port_immutable = qedr_roce_port_immutable; } @@ -257,6 +253,7 @@ static int qedr_register_device(struct qedr_dev *dev) dev->ibdev.get_link_layer = qedr_link_layer; dev->ibdev.get_dev_fw_str = qedr_get_dev_fw_str; + dev->ibdev.driver_id = RDMA_DRIVER_QEDR; return ib_register_device(&dev->ibdev, NULL); } @@ -707,7 +704,7 @@ static void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle) "Error: CQ event with NULL pointer ibcq. Handle=%llx\n", roce_handle64); } - DP_ERR(dev, "CQ event %d on hanlde %p\n", e_code, cq); + DP_ERR(dev, "CQ event %d on handle %p\n", e_code, cq); break; case EVENT_TYPE_QP: qp = (struct qedr_qp *)(uintptr_t)roce_handle64; @@ -723,7 +720,7 @@ static void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle) "Error: QP event with NULL pointer ibqp. Handle=%llx\n", roce_handle64); } - DP_ERR(dev, "QP event %d on hanlde %p\n", e_code, qp); + DP_ERR(dev, "QP event %d on handle %p\n", e_code, qp); break; default: break; diff --git a/drivers/infiniband/hw/qedr/qedr_roce_cm.c b/drivers/infiniband/hw/qedr/qedr_roce_cm.c index 2bdbb12bfc69..0f14e687bb91 100644 --- a/drivers/infiniband/hw/qedr/qedr_roce_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_roce_cm.c @@ -412,19 +412,11 @@ static inline int qedr_gsi_build_header(struct qedr_dev *dev, return rc; } - if (sgid_attr.ndev) { - vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); - if (vlan_id < VLAN_CFI_MASK) - has_vlan = true; + vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); + if (vlan_id < VLAN_CFI_MASK) + has_vlan = true; - dev_put(sgid_attr.ndev); - } - - if (!memcmp(&sgid, &zgid, sizeof(sgid))) { - DP_ERR(dev, "gsi post send: GID not found GID index %d\n", - grh->sgid_index); - return -ENOENT; - } + dev_put(sgid_attr.ndev); has_udp = (sgid_attr.gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP); if (!has_udp) { diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index f9c3cc71f5c0..7d3763b2e01c 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -84,58 +84,6 @@ int qedr_iw_query_gid(struct ib_device *ibdev, u8 port, return 0; } -int qedr_query_gid(struct ib_device *ibdev, u8 port, int index, - union ib_gid *sgid) -{ - struct qedr_dev *dev = get_qedr_dev(ibdev); - int rc = 0; - - if (!rdma_cap_roce_gid_table(ibdev, port)) - return -ENODEV; - - rc = ib_get_cached_gid(ibdev, port, index, sgid, NULL); - if (rc == -EAGAIN) { - memcpy(sgid, &zgid, sizeof(*sgid)); - return 0; - } - - DP_DEBUG(dev, QEDR_MSG_INIT, "query gid: index=%d %llx:%llx\n", index, - sgid->global.interface_id, sgid->global.subnet_prefix); - - return rc; -} - -int qedr_add_gid(struct ib_device *device, u8 port_num, - unsigned int index, const union ib_gid *gid, - const struct ib_gid_attr *attr, void **context) -{ - if (!rdma_cap_roce_gid_table(device, port_num)) - return -EINVAL; - - if (port_num > QEDR_MAX_PORT) - return -EINVAL; - - if (!context) - return -EINVAL; - - return 0; -} - -int qedr_del_gid(struct ib_device *device, u8 port_num, - unsigned int index, void **context) -{ - if (!rdma_cap_roce_gid_table(device, port_num)) - return -EINVAL; - - if (port_num > QEDR_MAX_PORT) - return -EINVAL; - - if (!context) - return -EINVAL; - - return 0; -} - int qedr_query_device(struct ib_device *ibdev, struct ib_device_attr *attr, struct ib_udata *udata) { @@ -525,9 +473,9 @@ struct ib_pd *qedr_alloc_pd(struct ib_device *ibdev, pd->pd_id = pd_id; if (udata && context) { - struct qedr_alloc_pd_uresp uresp; - - uresp.pd_id = pd_id; + struct qedr_alloc_pd_uresp uresp = { + .pd_id = pd_id, + }; rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp)); if (rc) { @@ -856,8 +804,6 @@ static inline void qedr_init_cq_params(struct qedr_cq *cq, static void doorbell_cq(struct qedr_cq *cq, u32 cons, u8 flags) { - /* Flush data before signalling doorbell */ - wmb(); cq->db.data.agg_flags = flags; cq->db.data.value = cpu_to_le32(cons); writeq(cq->db.raw, cq->db_addr); @@ -1145,46 +1091,41 @@ static inline int get_gid_info_from_table(struct ib_qp *ibqp, if (rc) return rc; - if (!memcmp(&gid, &zgid, sizeof(gid))) - return -ENOENT; - - if (gid_attr.ndev) { - qp_params->vlan_id = rdma_vlan_dev_vlan_id(gid_attr.ndev); - - dev_put(gid_attr.ndev); - nw_type = ib_gid_to_network_type(gid_attr.gid_type, &gid); - switch (nw_type) { - case RDMA_NETWORK_IPV6: - memcpy(&qp_params->sgid.bytes[0], &gid.raw[0], - sizeof(qp_params->sgid)); - memcpy(&qp_params->dgid.bytes[0], - &grh->dgid, - sizeof(qp_params->dgid)); - qp_params->roce_mode = ROCE_V2_IPV6; - SET_FIELD(qp_params->modify_flags, - QED_ROCE_MODIFY_QP_VALID_ROCE_MODE, 1); - break; - case RDMA_NETWORK_IB: - memcpy(&qp_params->sgid.bytes[0], &gid.raw[0], - sizeof(qp_params->sgid)); - memcpy(&qp_params->dgid.bytes[0], - &grh->dgid, - sizeof(qp_params->dgid)); - qp_params->roce_mode = ROCE_V1; - break; - case RDMA_NETWORK_IPV4: - memset(&qp_params->sgid, 0, sizeof(qp_params->sgid)); - memset(&qp_params->dgid, 0, sizeof(qp_params->dgid)); - ipv4_addr = qedr_get_ipv4_from_gid(gid.raw); - qp_params->sgid.ipv4_addr = ipv4_addr; - ipv4_addr = - qedr_get_ipv4_from_gid(grh->dgid.raw); - qp_params->dgid.ipv4_addr = ipv4_addr; - SET_FIELD(qp_params->modify_flags, - QED_ROCE_MODIFY_QP_VALID_ROCE_MODE, 1); - qp_params->roce_mode = ROCE_V2_IPV4; - break; - } + qp_params->vlan_id = rdma_vlan_dev_vlan_id(gid_attr.ndev); + + dev_put(gid_attr.ndev); + nw_type = ib_gid_to_network_type(gid_attr.gid_type, &gid); + switch (nw_type) { + case RDMA_NETWORK_IPV6: + memcpy(&qp_params->sgid.bytes[0], &gid.raw[0], + sizeof(qp_params->sgid)); + memcpy(&qp_params->dgid.bytes[0], + &grh->dgid, + sizeof(qp_params->dgid)); + qp_params->roce_mode = ROCE_V2_IPV6; + SET_FIELD(qp_params->modify_flags, + QED_ROCE_MODIFY_QP_VALID_ROCE_MODE, 1); + break; + case RDMA_NETWORK_IB: + memcpy(&qp_params->sgid.bytes[0], &gid.raw[0], + sizeof(qp_params->sgid)); + memcpy(&qp_params->dgid.bytes[0], + &grh->dgid, + sizeof(qp_params->dgid)); + qp_params->roce_mode = ROCE_V1; + break; + case RDMA_NETWORK_IPV4: + memset(&qp_params->sgid, 0, sizeof(qp_params->sgid)); + memset(&qp_params->dgid, 0, sizeof(qp_params->dgid)); + ipv4_addr = qedr_get_ipv4_from_gid(gid.raw); + qp_params->sgid.ipv4_addr = ipv4_addr; + ipv4_addr = + qedr_get_ipv4_from_gid(grh->dgid.raw); + qp_params->dgid.ipv4_addr = ipv4_addr; + SET_FIELD(qp_params->modify_flags, + QED_ROCE_MODIFY_QP_VALID_ROCE_MODE, 1); + qp_params->roce_mode = ROCE_V2_IPV4; + break; } for (i = 0; i < 4; i++) { @@ -1870,7 +1811,6 @@ static int qedr_update_qp_state(struct qedr_dev *dev, */ if (rdma_protocol_roce(&dev->ibdev, 1)) { - wmb(); writel(qp->rq.db_data.raw, qp->rq.db); /* Make sure write takes effect */ mmiowb(); @@ -3274,8 +3214,15 @@ int qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, * vane. However this is not harmful (as long as the producer value is * unchanged). For performance reasons we avoid checking for this * redundant doorbell. + * + * qp->wqe_wr_id is accessed during qedr_poll_cq, as + * soon as we give the doorbell, we could get a completion + * for this wr, therefore we need to make sure that the + * memory is updated before giving the doorbell. + * During qedr_poll_cq, rmb is called before accessing the + * cqe. This covers for the smp_rmb as well. */ - wmb(); + smp_wmb(); writel(qp->sq.db_data.raw, qp->sq.db); /* Make sure write sticks */ @@ -3362,8 +3309,14 @@ int qedr_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, qedr_inc_sw_prod(&qp->rq); - /* Flush all the writes before signalling doorbell */ - wmb(); + /* qp->rqe_wr_id is accessed during qedr_poll_cq, as + * soon as we give the doorbell, we could get a completion + * for this wr, therefore we need to make sure that the + * memory is update before giving the doorbell. + * During qedr_poll_cq, rmb is called before accessing the + * cqe. This covers for the smp_rmb as well. + */ + smp_wmb(); qp->rq.db_data.data.value++; diff --git a/drivers/infiniband/hw/qedr/verbs.h b/drivers/infiniband/hw/qedr/verbs.h index 1a94425dea33..2c57e4c592a6 100644 --- a/drivers/infiniband/hw/qedr/verbs.h +++ b/drivers/infiniband/hw/qedr/verbs.h @@ -38,7 +38,6 @@ int qedr_query_port(struct ib_device *, u8 port, struct ib_port_attr *props); int qedr_modify_port(struct ib_device *, u8 port, int mask, struct ib_port_modify *props); -int qedr_query_gid(struct ib_device *, u8 port, int index, union ib_gid *gid); int qedr_iw_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid); @@ -48,11 +47,6 @@ struct ib_ucontext *qedr_alloc_ucontext(struct ib_device *, struct ib_udata *); int qedr_dealloc_ucontext(struct ib_ucontext *); int qedr_mmap(struct ib_ucontext *, struct vm_area_struct *vma); -int qedr_del_gid(struct ib_device *device, u8 port_num, - unsigned int index, void **context); -int qedr_add_gid(struct ib_device *device, u8 port_num, - unsigned int index, const union ib_gid *gid, - const struct ib_gid_attr *attr, void **context); struct ib_pd *qedr_alloc_pd(struct ib_device *, struct ib_ucontext *, struct ib_udata *); int qedr_dealloc_pd(struct ib_pd *pd); diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h index 0235f76bbc72..46072455130c 100644 --- a/drivers/infiniband/hw/qib/qib.h +++ b/drivers/infiniband/hw/qib/qib.h @@ -472,9 +472,6 @@ enum qib_sdma_events { qib_sdma_event_e90_timer_tick, }; -extern char *qib_sdma_state_names[]; -extern char *qib_sdma_event_names[]; - struct sdma_set_state_action { unsigned op_enable:1; unsigned op_intenable:1; diff --git a/drivers/infiniband/hw/qib/qib_diag.c b/drivers/infiniband/hw/qib/qib_diag.c index a9377eee8734..11da796dd1b7 100644 --- a/drivers/infiniband/hw/qib/qib_diag.c +++ b/drivers/infiniband/hw/qib/qib_diag.c @@ -614,7 +614,7 @@ static ssize_t qib_diagpkt_write(struct file *fp, } if (copy_from_user(tmpbuf, - (const void __user *) (unsigned long) dp.data, + u64_to_user_ptr(dp.data), dp.len)) { ret = -EFAULT; goto bail; diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index 52c29db3a2f4..6a8800b65047 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -443,7 +443,7 @@ cleanup: ret = -EFAULT; goto cleanup; } - if (copy_to_user((void __user *) (unsigned long) ti->tidmap, + if (copy_to_user(u64_to_user_ptr(ti->tidmap), tidmap, sizeof(tidmap))) { ret = -EFAULT; goto cleanup; @@ -490,7 +490,7 @@ static int qib_tid_free(struct qib_ctxtdata *rcd, unsigned subctxt, goto done; } - if (copy_from_user(tidmap, (void __user *)(unsigned long)ti->tidmap, + if (copy_from_user(tidmap, u64_to_user_ptr(ti->tidmap), sizeof(tidmap))) { ret = -EFAULT; goto done; @@ -2168,8 +2168,8 @@ static ssize_t qib_write(struct file *fp, const char __user *data, ret = qib_do_user_init(fp, &cmd.cmd.user_info); if (ret) goto bail; - ret = qib_get_base_info(fp, (void __user *) (unsigned long) - cmd.cmd.user_info.spu_base_info, + ret = qib_get_base_info(fp, u64_to_user_ptr( + cmd.cmd.user_info.spu_base_info), cmd.cmd.user_info.spu_base_info_size); break; diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 6265dac415fc..8414ae44a518 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -463,6 +463,16 @@ static u8 ib_rate_to_delay[IB_RATE_120_GBPS + 1] = { [IB_RATE_40_GBPS] = 1 }; +static const char * const qib_sdma_state_names[] = { + [qib_sdma_state_s00_hw_down] = "s00_HwDown", + [qib_sdma_state_s10_hw_start_up_wait] = "s10_HwStartUpWait", + [qib_sdma_state_s20_idle] = "s20_Idle", + [qib_sdma_state_s30_sw_clean_up_wait] = "s30_SwCleanUpWait", + [qib_sdma_state_s40_hw_clean_up_wait] = "s40_HwCleanUpWait", + [qib_sdma_state_s50_hw_halt_wait] = "s50_HwHaltWait", + [qib_sdma_state_s99_running] = "s99_Running", +}; + #define IBA7322_LINKSPEED_SHIFT SYM_LSB(IBCStatusA_0, LinkSpeedActive) #define IBA7322_LINKWIDTH_SHIFT SYM_LSB(IBCStatusA_0, LinkWidthActive) diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c index 3990f386aa32..6c68f8a97018 100644 --- a/drivers/infiniband/hw/qib/qib_init.c +++ b/drivers/infiniband/hw/qib/qib_init.c @@ -678,11 +678,9 @@ int qib_init(struct qib_devdata *dd, int reinit) lastfail = qib_create_rcvhdrq(dd, rcd); if (!lastfail) lastfail = qib_setup_eagerbufs(rcd); - if (lastfail) { + if (lastfail) qib_dev_err(dd, "failed to allocate kernel ctxt's rcvhdrq and/or egr bufs\n"); - continue; - } } for (pidx = 0; pidx < dd->num_pports; ++pidx) { diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c index c3690bd51582..d0723d4aef5c 100644 --- a/drivers/infiniband/hw/qib/qib_sdma.c +++ b/drivers/infiniband/hw/qib/qib_sdma.c @@ -54,30 +54,6 @@ MODULE_PARM_DESC(sdma_descq_cnt, "Number of SDMA descq entries"); #define SDMA_DESC_COUNT_LSB 16 #define SDMA_DESC_GEN_LSB 30 -char *qib_sdma_state_names[] = { - [qib_sdma_state_s00_hw_down] = "s00_HwDown", - [qib_sdma_state_s10_hw_start_up_wait] = "s10_HwStartUpWait", - [qib_sdma_state_s20_idle] = "s20_Idle", - [qib_sdma_state_s30_sw_clean_up_wait] = "s30_SwCleanUpWait", - [qib_sdma_state_s40_hw_clean_up_wait] = "s40_HwCleanUpWait", - [qib_sdma_state_s50_hw_halt_wait] = "s50_HwHaltWait", - [qib_sdma_state_s99_running] = "s99_Running", -}; - -char *qib_sdma_event_names[] = { - [qib_sdma_event_e00_go_hw_down] = "e00_GoHwDown", - [qib_sdma_event_e10_go_hw_start] = "e10_GoHwStart", - [qib_sdma_event_e20_hw_started] = "e20_HwStarted", - [qib_sdma_event_e30_go_running] = "e30_GoRunning", - [qib_sdma_event_e40_sw_cleaned] = "e40_SwCleaned", - [qib_sdma_event_e50_hw_cleaned] = "e50_HwCleaned", - [qib_sdma_event_e60_hw_halted] = "e60_HwHalted", - [qib_sdma_event_e70_go_idle] = "e70_GoIdle", - [qib_sdma_event_e7220_err_halted] = "e7220_ErrHalted", - [qib_sdma_event_e7322_err_halted] = "e7322_ErrHalted", - [qib_sdma_event_e90_timer_tick] = "e90_TimerTick", -}; - /* declare all statics here rather than keep sorting */ static int alloc_sdma(struct qib_pportdata *); static void sdma_complete(struct kref *); diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index fabee760407e..3977abbc83ad 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1646,7 +1646,7 @@ int qib_register_ib_device(struct qib_devdata *dd) dd->rcd[ctxt]->pkeys); } - ret = rvt_register_device(&dd->verbs_dev.rdi); + ret = rvt_register_device(&dd->verbs_dev.rdi, RDMA_DRIVER_QIB); if (ret) goto err_tx; diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c index ca5638091b55..f0538a460328 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_main.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c @@ -415,6 +415,7 @@ static void *usnic_ib_device_add(struct pci_dev *dev) us_ibdev->ib_dev.get_dev_fw_str = usnic_get_dev_fw_str; + us_ibdev->ib_dev.driver_id = RDMA_DRIVER_USNIC; if (ib_register_device(&us_ibdev->ib_dev, NULL)) goto err_fwd_dealloc; diff --git a/drivers/infiniband/hw/usnic/usnic_transport.c b/drivers/infiniband/hw/usnic/usnic_transport.c index 67de94343cb4..e0a95538c364 100644 --- a/drivers/infiniband/hw/usnic/usnic_transport.c +++ b/drivers/infiniband/hw/usnic/usnic_transport.c @@ -200,10 +200,8 @@ int usnic_transport_sock_get_addr(struct socket *sock, int *proto, int usnic_transport_init(void) { roce_bitmap = kzalloc(ROCE_BITMAP_SZ, GFP_KERNEL); - if (!roce_bitmap) { - usnic_err("Failed to allocate bit map"); + if (!roce_bitmap) return -ENOMEM; - } /* Do not ever allocate bit 0, hence set it here */ bitmap_set(roce_bitmap, 0, 1); diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index d650a9fcde24..0be33a81bbe6 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -62,17 +62,10 @@ static DEFINE_MUTEX(pvrdma_device_list_lock); static LIST_HEAD(pvrdma_device_list); static struct workqueue_struct *event_wq; -static int pvrdma_add_gid(struct ib_device *ibdev, - u8 port_num, - unsigned int index, - const union ib_gid *gid, +static int pvrdma_add_gid(const union ib_gid *gid, const struct ib_gid_attr *attr, void **context); -static int pvrdma_del_gid(struct ib_device *ibdev, - u8 port_num, - unsigned int index, - void **context); - +static int pvrdma_del_gid(const struct ib_gid_attr *attr, void **context); static ssize_t show_hca(struct device *device, struct device_attribute *attr, char *buf) @@ -276,6 +269,7 @@ static int pvrdma_register_device(struct pvrdma_dev *dev) if (!dev->srq_tbl) goto err_qp_free; } + dev->ib_dev.driver_id = RDMA_DRIVER_VMW_PVRDMA; spin_lock_init(&dev->srq_tbl_lock); ret = ib_register_device(&dev->ib_dev, NULL); @@ -656,18 +650,15 @@ static int pvrdma_add_gid_at_index(struct pvrdma_dev *dev, return 0; } -static int pvrdma_add_gid(struct ib_device *ibdev, - u8 port_num, - unsigned int index, - const union ib_gid *gid, +static int pvrdma_add_gid(const union ib_gid *gid, const struct ib_gid_attr *attr, void **context) { - struct pvrdma_dev *dev = to_vdev(ibdev); + struct pvrdma_dev *dev = to_vdev(attr->device); return pvrdma_add_gid_at_index(dev, gid, ib_gid_type_to_pvrdma(attr->gid_type), - index); + attr->index); } static int pvrdma_del_gid_at_index(struct pvrdma_dev *dev, int index) @@ -697,17 +688,14 @@ static int pvrdma_del_gid_at_index(struct pvrdma_dev *dev, int index) return 0; } -static int pvrdma_del_gid(struct ib_device *ibdev, - u8 port_num, - unsigned int index, - void **context) +static int pvrdma_del_gid(const struct ib_gid_attr *attr, void **context) { - struct pvrdma_dev *dev = to_vdev(ibdev); + struct pvrdma_dev *dev = to_vdev(attr->device); dev_dbg(&dev->pdev->dev, "removing gid at index %u from %s", - index, dev->netdev->name); + attr->index, dev->netdev->name); - return pvrdma_del_gid_at_index(dev, index); + return pvrdma_del_gid_at_index(dev, attr->index); } static void pvrdma_netdevice_event_handle(struct pvrdma_dev *dev, diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c index 7bf518bdbf21..eb5b1065ec08 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c @@ -489,7 +489,7 @@ int pvrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, union pvrdma_cmd_req req; union pvrdma_cmd_resp rsp; struct pvrdma_cmd_modify_qp *cmd = &req.modify_qp; - int cur_state, next_state; + enum ib_qp_state cur_state, next_state; int ret; /* Sanity checking. Should need lock here */ diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index a4553b2b3696..434199d0bc96 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -91,7 +91,7 @@ module_exit(rvt_cleanup); */ struct rvt_dev_info *rvt_alloc_device(size_t size, int nports) { - struct rvt_dev_info *rdi = ERR_PTR(-ENOMEM); + struct rvt_dev_info *rdi; rdi = (struct rvt_dev_info *)ib_alloc_device(size); if (!rdi) @@ -730,7 +730,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) * * Return: 0 on success otherwise an errno. */ -int rvt_register_device(struct rvt_dev_info *rdi) +int rvt_register_device(struct rvt_dev_info *rdi, u32 driver_id) { int ret = 0, i; @@ -831,6 +831,7 @@ int rvt_register_device(struct rvt_dev_info *rdi) rdi->ibdev.node_type = RDMA_NODE_IB_CA; rdi->ibdev.num_comp_vectors = 1; + rdi->ibdev.driver_id = driver_id; /* We are now good to announce we exist */ ret = ib_register_device(&rdi->ibdev, rdi->driver_f.port_callback); if (ret) { diff --git a/drivers/infiniband/sw/rdmavt/vt.h b/drivers/infiniband/sw/rdmavt/vt.h index 8823b2e7aac6..0675ea6c3872 100644 --- a/drivers/infiniband/sw/rdmavt/vt.h +++ b/drivers/infiniband/sw/rdmavt/vt.h @@ -59,7 +59,6 @@ #include "mmap.h" #include "cq.h" #include "mad.h" -#include "mmap.h" #define rvt_pr_info(rdi, fmt, ...) \ __rvt_pr_info(rdi->driver_f.get_pci_dev(rdi), \ diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c index b7debb6f2eac..e493fdbd61c6 100644 --- a/drivers/infiniband/sw/rxe/rxe.c +++ b/drivers/infiniband/sw/rxe/rxe.c @@ -78,7 +78,7 @@ void rxe_release(struct kref *kref) } /* initialize rxe device parameters */ -static int rxe_init_device_param(struct rxe_dev *rxe) +static void rxe_init_device_param(struct rxe_dev *rxe) { rxe->max_inline_data = RXE_MAX_INLINE_DATA; @@ -122,8 +122,6 @@ static int rxe_init_device_param(struct rxe_dev *rxe) rxe->attr.local_ca_ack_delay = RXE_LOCAL_CA_ACK_DELAY; rxe->max_ucontext = RXE_MAX_UCONTEXT; - - return 0; } /* initialize port attributes */ diff --git a/drivers/infiniband/sw/rxe/rxe.h b/drivers/infiniband/sw/rxe/rxe.h index 7d232611303f..561ad307c6ec 100644 --- a/drivers/infiniband/sw/rxe/rxe.h +++ b/drivers/infiniband/sw/rxe/rxe.h @@ -59,7 +59,11 @@ #include "rxe_verbs.h" #include "rxe_loc.h" -#define RXE_UVERBS_ABI_VERSION (1) +/* + * Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit + * machines Version 2 has a different struct layout. + */ +#define RXE_UVERBS_ABI_VERSION 2 #define IB_PHYS_STATE_LINK_UP (5) #define IB_PHYS_STATE_LINK_DOWN (3) diff --git a/drivers/infiniband/sw/rxe/rxe_av.c b/drivers/infiniband/sw/rxe/rxe_av.c index 7522d1af3ae2..7f1ae364088a 100644 --- a/drivers/infiniband/sw/rxe/rxe_av.c +++ b/drivers/infiniband/sw/rxe/rxe_av.c @@ -74,8 +74,9 @@ void rxe_av_fill_ip_info(struct rxe_av *av, struct ib_gid_attr *sgid_attr, union ib_gid *sgid) { - rdma_gid2ip(&av->sgid_addr._sockaddr, sgid); - rdma_gid2ip(&av->dgid_addr._sockaddr, &rdma_ah_read_grh(attr)->dgid); + rdma_gid2ip((struct sockaddr *)&av->sgid_addr, sgid); + rdma_gid2ip((struct sockaddr *)&av->dgid_addr, + &rdma_ah_read_grh(attr)->dgid); av->network_type = ib_gid_to_network_type(sgid_attr->gid_type, sgid); } diff --git a/drivers/infiniband/sw/rxe/rxe_cq.c b/drivers/infiniband/sw/rxe/rxe_cq.c index c4aabf78dc90..2ee4b08b00ea 100644 --- a/drivers/infiniband/sw/rxe/rxe_cq.c +++ b/drivers/infiniband/sw/rxe/rxe_cq.c @@ -36,7 +36,7 @@ #include "rxe_queue.h" int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq, - int cqe, int comp_vector, struct ib_udata *udata) + int cqe, int comp_vector) { int count; @@ -83,7 +83,7 @@ static void rxe_send_complete(unsigned long data) int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe, int comp_vector, struct ib_ucontext *context, - struct ib_udata *udata) + struct rxe_create_cq_resp __user *uresp) { int err; @@ -94,15 +94,15 @@ int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe, return -ENOMEM; } - err = do_mmap_info(rxe, udata, false, context, cq->queue->buf, - cq->queue->buf_size, &cq->queue->ip); + err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, context, + cq->queue->buf, cq->queue->buf_size, &cq->queue->ip); if (err) { kvfree(cq->queue->buf); kfree(cq->queue); return err; } - if (udata) + if (uresp) cq->is_user = 1; cq->is_dying = false; @@ -114,14 +114,15 @@ int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe, return 0; } -int rxe_cq_resize_queue(struct rxe_cq *cq, int cqe, struct ib_udata *udata) +int rxe_cq_resize_queue(struct rxe_cq *cq, int cqe, + struct rxe_resize_cq_resp __user *uresp) { int err; err = rxe_queue_resize(cq->queue, (unsigned int *)&cqe, sizeof(struct rxe_cqe), cq->queue->ip ? cq->queue->ip->context : NULL, - udata, NULL, &cq->cq_lock); + uresp ? &uresp->mi : NULL, NULL, &cq->cq_lock); if (!err) cq->ibcq.cqe = cqe; diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h index 4ef75d5b729b..b71023c1c58b 100644 --- a/drivers/infiniband/sw/rxe/rxe_loc.h +++ b/drivers/infiniband/sw/rxe/rxe_loc.h @@ -52,13 +52,14 @@ struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt); /* rxe_cq.c */ int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq, - int cqe, int comp_vector, struct ib_udata *udata); + int cqe, int comp_vector); int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe, int comp_vector, struct ib_ucontext *context, - struct ib_udata *udata); + struct rxe_create_cq_resp __user *uresp); -int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe, struct ib_udata *udata); +int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe, + struct rxe_resize_cq_resp __user *uresp); int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited); @@ -143,8 +144,7 @@ int advance_dma_data(struct rxe_dma_info *dma, unsigned int length); /* rxe_net.c */ int rxe_loopback(struct sk_buff *skb); -int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, - struct sk_buff *skb); +int rxe_send(struct rxe_pkt_info *pkt, struct sk_buff *skb); struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av, int paylen, struct rxe_pkt_info *pkt); int rxe_prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, @@ -159,7 +159,8 @@ int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid); int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init); int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, - struct ib_qp_init_attr *init, struct ib_udata *udata, + struct ib_qp_init_attr *init, + struct rxe_create_qp_resp __user *uresp, struct ib_pd *ibpd); int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init); @@ -227,11 +228,12 @@ int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq, int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq, struct ib_srq_init_attr *init, - struct ib_ucontext *context, struct ib_udata *udata); + struct ib_ucontext *context, + struct rxe_create_srq_resp __user *uresp); int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq, struct ib_srq_attr *attr, enum ib_srq_attr_mask mask, - struct ib_udata *udata); + struct rxe_modify_srq_cmd *ucmd); void rxe_release(struct kref *kref); @@ -268,7 +270,7 @@ static inline int rxe_xmit_packet(struct rxe_dev *rxe, struct rxe_qp *qp, memcpy(SKB_TO_PKT(skb), pkt, sizeof(*pkt)); err = rxe_loopback(skb); } else { - err = rxe_send(rxe, pkt, skb); + err = rxe_send(pkt, skb); } if (err) { diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index 159246b03867..9da6e37fb70c 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -182,11 +182,39 @@ static struct dst_entry *rxe_find_route6(struct net_device *ndev, #endif +/* + * Derive the net_device from the av. + * For physical devices, this will just return rxe->ndev. + * But for VLAN devices, it will return the vlan dev. + * Caller should dev_put() the returned net_device. + */ +static struct net_device *rxe_netdev_from_av(struct rxe_dev *rxe, + int port_num, + struct rxe_av *av) +{ + union ib_gid gid; + struct ib_gid_attr attr; + struct net_device *ndev = rxe->ndev; + + if (ib_get_cached_gid(&rxe->ib_dev, port_num, av->grh.sgid_index, + &gid, &attr) == 0 && + attr.ndev && attr.ndev != ndev) + ndev = attr.ndev; + else + /* Only to ensure that caller may call dev_put() */ + dev_hold(ndev); + + return ndev; +} + static struct dst_entry *rxe_find_route(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_av *av) { struct dst_entry *dst = NULL; + struct net_device *ndev; + + ndev = rxe_netdev_from_av(rxe, qp->attr.port_num, av); if (qp_type(qp) == IB_QPT_RC) dst = sk_dst_get(qp->sk->sk); @@ -201,14 +229,14 @@ static struct dst_entry *rxe_find_route(struct rxe_dev *rxe, saddr = &av->sgid_addr._sockaddr_in.sin_addr; daddr = &av->dgid_addr._sockaddr_in.sin_addr; - dst = rxe_find_route4(rxe->ndev, saddr, daddr); + dst = rxe_find_route4(ndev, saddr, daddr); } else if (av->network_type == RDMA_NETWORK_IPV6) { struct in6_addr *saddr6; struct in6_addr *daddr6; saddr6 = &av->sgid_addr._sockaddr_in6.sin6_addr; daddr6 = &av->dgid_addr._sockaddr_in6.sin6_addr; - dst = rxe_find_route6(rxe->ndev, saddr6, daddr6); + dst = rxe_find_route6(ndev, saddr6, daddr6); #if IS_ENABLED(CONFIG_IPV6) if (dst) qp->dst_cookie = @@ -217,6 +245,7 @@ static struct dst_entry *rxe_find_route(struct rxe_dev *rxe, } } + dev_put(ndev); return dst; } @@ -224,9 +253,14 @@ static int rxe_udp_encap_recv(struct sock *sk, struct sk_buff *skb) { struct udphdr *udph; struct net_device *ndev = skb->dev; + struct net_device *rdev = ndev; struct rxe_dev *rxe = net_to_rxe(ndev); struct rxe_pkt_info *pkt = SKB_TO_PKT(skb); + if (!rxe && is_vlan_dev(rdev)) { + rdev = vlan_dev_real_dev(ndev); + rxe = net_to_rxe(rdev); + } if (!rxe) goto drop; @@ -450,7 +484,7 @@ static void rxe_skb_tx_dtor(struct sk_buff *skb) rxe_drop_ref(qp); } -int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, struct sk_buff *skb) +int rxe_send(struct rxe_pkt_info *pkt, struct sk_buff *skb) { struct rxe_av *av; int err; @@ -498,6 +532,10 @@ struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av, { unsigned int hdr_len; struct sk_buff *skb; + struct net_device *ndev; + const int port_num = 1; + + ndev = rxe_netdev_from_av(rxe, port_num, av); if (av->network_type == RDMA_NETWORK_IPV4) hdr_len = ETH_HLEN + sizeof(struct udphdr) + @@ -506,26 +544,30 @@ struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av, hdr_len = ETH_HLEN + sizeof(struct udphdr) + sizeof(struct ipv6hdr); - skb = alloc_skb(paylen + hdr_len + LL_RESERVED_SPACE(rxe->ndev), + skb = alloc_skb(paylen + hdr_len + LL_RESERVED_SPACE(ndev), GFP_ATOMIC); - if (unlikely(!skb)) + + if (unlikely(!skb)) { + dev_put(ndev); return NULL; + } skb_reserve(skb, hdr_len + LL_RESERVED_SPACE(rxe->ndev)); - skb->dev = rxe->ndev; + skb->dev = ndev; if (av->network_type == RDMA_NETWORK_IPV4) skb->protocol = htons(ETH_P_IP); else skb->protocol = htons(ETH_P_IPV6); pkt->rxe = rxe; - pkt->port_num = 1; + pkt->port_num = port_num; pkt->hdr = skb_put(skb, paylen); pkt->mask |= RXE_GRH_MASK; memset(pkt->hdr, 0, paylen); + dev_put(ndev); return skb; } diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index 2fcf1cab7678..b9f7aa1114b2 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -40,15 +40,6 @@ #include "rxe_queue.h" #include "rxe_task.h" -char *rxe_qp_state_name[] = { - [QP_STATE_RESET] = "RESET", - [QP_STATE_INIT] = "INIT", - [QP_STATE_READY] = "READY", - [QP_STATE_DRAIN] = "DRAIN", - [QP_STATE_DRAINED] = "DRAINED", - [QP_STATE_ERROR] = "ERROR", -}; - static int rxe_qp_chk_cap(struct rxe_dev *rxe, struct ib_qp_cap *cap, int has_srq) { @@ -225,7 +216,8 @@ static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp, static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp, struct ib_qp_init_attr *init, - struct ib_ucontext *context, struct ib_udata *udata) + struct ib_ucontext *context, + struct rxe_create_qp_resp __user *uresp) { int err; int wqe_size; @@ -250,9 +242,9 @@ static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp, if (!qp->sq.queue) return -ENOMEM; - err = do_mmap_info(rxe, udata, true, - context, qp->sq.queue->buf, - qp->sq.queue->buf_size, &qp->sq.queue->ip); + err = do_mmap_info(rxe, uresp ? &uresp->sq_mi : NULL, context, + qp->sq.queue->buf, qp->sq.queue->buf_size, + &qp->sq.queue->ip); if (err) { kvfree(qp->sq.queue->buf); @@ -283,7 +275,8 @@ static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp, static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp, struct ib_qp_init_attr *init, - struct ib_ucontext *context, struct ib_udata *udata) + struct ib_ucontext *context, + struct rxe_create_qp_resp __user *uresp) { int err; int wqe_size; @@ -303,9 +296,8 @@ static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp, if (!qp->rq.queue) return -ENOMEM; - err = do_mmap_info(rxe, udata, false, context, - qp->rq.queue->buf, - qp->rq.queue->buf_size, + err = do_mmap_info(rxe, uresp ? &uresp->rq_mi : NULL, context, + qp->rq.queue->buf, qp->rq.queue->buf_size, &qp->rq.queue->ip); if (err) { kvfree(qp->rq.queue->buf); @@ -331,14 +323,15 @@ static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp, /* called by the create qp verb */ int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, - struct ib_qp_init_attr *init, struct ib_udata *udata, + struct ib_qp_init_attr *init, + struct rxe_create_qp_resp __user *uresp, struct ib_pd *ibpd) { int err; struct rxe_cq *rcq = to_rcq(init->recv_cq); struct rxe_cq *scq = to_rcq(init->send_cq); struct rxe_srq *srq = init->srq ? to_rsrq(init->srq) : NULL; - struct ib_ucontext *context = udata ? ibpd->uobject->context : NULL; + struct ib_ucontext *context = ibpd->uobject ? ibpd->uobject->context : NULL; rxe_add_ref(pd); rxe_add_ref(rcq); @@ -353,11 +346,11 @@ int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, rxe_qp_init_misc(rxe, qp, init); - err = rxe_qp_init_req(rxe, qp, init, context, udata); + err = rxe_qp_init_req(rxe, qp, init, context, uresp); if (err) goto err1; - err = rxe_qp_init_resp(rxe, qp, init, context, udata); + err = rxe_qp_init_resp(rxe, qp, init, context, uresp); if (err) goto err2; diff --git a/drivers/infiniband/sw/rxe/rxe_queue.c b/drivers/infiniband/sw/rxe/rxe_queue.c index d14bf496d62d..f84ab4469261 100644 --- a/drivers/infiniband/sw/rxe/rxe_queue.c +++ b/drivers/infiniband/sw/rxe/rxe_queue.c @@ -37,35 +37,21 @@ #include "rxe_queue.h" int do_mmap_info(struct rxe_dev *rxe, - struct ib_udata *udata, - bool is_req, + struct mminfo __user *outbuf, struct ib_ucontext *context, struct rxe_queue_buf *buf, size_t buf_size, struct rxe_mmap_info **ip_p) { int err; - u32 len, offset; struct rxe_mmap_info *ip = NULL; - if (udata) { - if (is_req) { - len = udata->outlen - sizeof(struct mminfo); - offset = sizeof(struct mminfo); - } else { - len = udata->outlen; - offset = 0; - } - - if (len < sizeof(ip->info)) - goto err1; - + if (outbuf) { ip = rxe_create_mmap_info(rxe, buf_size, context, buf); if (!ip) goto err1; - err = copy_to_user(udata->outbuf + offset, &ip->info, - sizeof(ip->info)); + err = copy_to_user(outbuf, &ip->info, sizeof(ip->info)); if (err) goto err2; @@ -171,7 +157,7 @@ int rxe_queue_resize(struct rxe_queue *q, unsigned int *num_elem_p, unsigned int elem_size, struct ib_ucontext *context, - struct ib_udata *udata, + struct mminfo __user *outbuf, spinlock_t *producer_lock, spinlock_t *consumer_lock) { @@ -184,7 +170,7 @@ int rxe_queue_resize(struct rxe_queue *q, if (!new_q) return -ENOMEM; - err = do_mmap_info(new_q->rxe, udata, false, context, new_q->buf, + err = do_mmap_info(new_q->rxe, outbuf, context, new_q->buf, new_q->buf_size, &new_q->ip); if (err) { vfree(new_q->buf); diff --git a/drivers/infiniband/sw/rxe/rxe_queue.h b/drivers/infiniband/sw/rxe/rxe_queue.h index 8c8641c87817..79ba4b320054 100644 --- a/drivers/infiniband/sw/rxe/rxe_queue.h +++ b/drivers/infiniband/sw/rxe/rxe_queue.h @@ -77,8 +77,7 @@ struct rxe_queue { }; int do_mmap_info(struct rxe_dev *rxe, - struct ib_udata *udata, - bool is_req, + struct mminfo __user *outbuf, struct ib_ucontext *context, struct rxe_queue_buf *buf, size_t buf_size, @@ -94,7 +93,7 @@ int rxe_queue_resize(struct rxe_queue *q, unsigned int *num_elem_p, unsigned int elem_size, struct ib_ucontext *context, - struct ib_udata *udata, + struct mminfo __user *outbuf, /* Protect producers while resizing queue */ spinlock_t *producer_lock, /* Protect consumers while resizing queue */ diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c index 4c3f899241d4..dd80c7d9074a 100644 --- a/drivers/infiniband/sw/rxe/rxe_recv.c +++ b/drivers/infiniband/sw/rxe/rxe_recv.c @@ -276,7 +276,6 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb) { struct rxe_pkt_info *pkt = SKB_TO_PKT(skb); struct rxe_mc_grp *mcg; - struct sk_buff *skb_copy; struct rxe_mc_elem *mce; struct rxe_qp *qp; union ib_gid dgid; @@ -309,18 +308,14 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb) continue; /* if *not* the last qp in the list - * make a copy of the skb to post to the next qp + * increase the users of the skb then post to the next qp */ - skb_copy = (mce->qp_list.next != &mcg->qp_list) ? - skb_clone(skb, GFP_ATOMIC) : NULL; + if (mce->qp_list.next != &mcg->qp_list) + refcount_inc(&skb->users); pkt->qp = qp; rxe_add_ref(qp); rxe_rcv_pkt(rxe, pkt, skb); - - skb = skb_copy; - if (!skb) - break; } spin_unlock_bh(&mcg->mcg_lock); @@ -328,8 +323,7 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb) rxe_drop_ref(mcg); /* drop ref from rxe_pool_get_key. */ err1: - if (skb) - kfree_skb(skb); + kfree_skb(skb); } static int rxe_match_dgid(struct rxe_dev *rxe, struct sk_buff *skb) @@ -347,7 +341,7 @@ static int rxe_match_dgid(struct rxe_dev *rxe, struct sk_buff *skb) return ib_find_cached_gid_by_port(&rxe->ib_dev, pdgid, IB_GID_TYPE_ROCE_UDP_ENCAP, - 1, rxe->ndev, NULL); + 1, skb->dev, NULL); } /* rxe_rcv is called from the interface driver */ diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index d37bb9b97569..a65c9969f7fc 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -969,7 +969,6 @@ static int send_atomic_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt, int rc = 0; struct rxe_pkt_info ack_pkt; struct sk_buff *skb; - struct sk_buff *skb_copy; struct rxe_dev *rxe = to_rdev(qp->ibqp.device); struct resp_res *res; @@ -981,14 +980,7 @@ static int send_atomic_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt, goto out; } - skb_copy = skb_clone(skb, GFP_ATOMIC); - if (skb_copy) - rxe_add_ref(qp); /* for the new SKB */ - else { - pr_warn("Could not clone atomic response\n"); - rc = -ENOMEM; - goto out; - } + rxe_add_ref(qp); res = &qp->resp.resources[qp->resp.res_head]; free_rd_atomic_resource(qp, res); @@ -998,19 +990,18 @@ static int send_atomic_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt, memset((unsigned char *)SKB_TO_PKT(skb) + sizeof(ack_pkt), 0, sizeof(skb->cb) - sizeof(ack_pkt)); + refcount_inc(&skb->users); res->type = RXE_ATOMIC_MASK; res->atomic.skb = skb; res->first_psn = ack_pkt.psn; res->last_psn = ack_pkt.psn; res->cur_psn = ack_pkt.psn; - rc = rxe_xmit_packet(rxe, qp, &ack_pkt, skb_copy); + rc = rxe_xmit_packet(rxe, qp, &ack_pkt, skb); if (rc) { pr_err_ratelimited("Failed sending ack\n"); rxe_drop_ref(qp); - kfree_skb(skb_copy); } - out: return rc; } diff --git a/drivers/infiniband/sw/rxe/rxe_srq.c b/drivers/infiniband/sw/rxe/rxe_srq.c index efc832a2d7c6..0d6c04ba7fc3 100644 --- a/drivers/infiniband/sw/rxe/rxe_srq.c +++ b/drivers/infiniband/sw/rxe/rxe_srq.c @@ -99,7 +99,8 @@ err1: int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq, struct ib_srq_init_attr *init, - struct ib_ucontext *context, struct ib_udata *udata) + struct ib_ucontext *context, + struct rxe_create_srq_resp __user *uresp) { int err; int srq_wqe_size; @@ -126,55 +127,41 @@ int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq, srq->rq.queue = q; - err = do_mmap_info(rxe, udata, false, context, q->buf, + err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, context, q->buf, q->buf_size, &q->ip); if (err) return err; - if (udata && udata->outlen >= sizeof(struct mminfo) + sizeof(u32)) { - if (copy_to_user(udata->outbuf + sizeof(struct mminfo), - &srq->srq_num, sizeof(u32))) + if (uresp) { + if (copy_to_user(&uresp->srq_num, &srq->srq_num, + sizeof(uresp->srq_num))) return -EFAULT; } + return 0; } int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq, struct ib_srq_attr *attr, enum ib_srq_attr_mask mask, - struct ib_udata *udata) + struct rxe_modify_srq_cmd *ucmd) { int err; struct rxe_queue *q = srq->rq.queue; - struct mminfo mi = { .offset = 1, .size = 0}; + struct mminfo __user *mi = NULL; if (mask & IB_SRQ_MAX_WR) { - /* Check that we can write the mminfo struct to user space */ - if (udata && udata->inlen >= sizeof(__u64)) { - __u64 mi_addr; - - /* Get address of user space mminfo struct */ - err = ib_copy_from_udata(&mi_addr, udata, - sizeof(mi_addr)); - if (err) - goto err1; - - udata->outbuf = (void __user *)(unsigned long)mi_addr; - udata->outlen = sizeof(mi); - - if (!access_ok(VERIFY_WRITE, - (void __user *)udata->outbuf, - udata->outlen)) { - err = -EFAULT; - goto err1; - } - } + /* + * This is completely screwed up, the response is supposed to + * be in the outbuf not like this. + */ + mi = u64_to_user_ptr(ucmd->mmap_info_addr); err = rxe_queue_resize(q, &attr->max_wr, rcv_wqe_size(srq->rq.max_sge), srq->rq.queue->ip ? srq->rq.queue->ip->context : NULL, - udata, &srq->rq.producer_lock, + mi, &srq->rq.producer_lock, &srq->rq.consumer_lock); if (err) goto err2; @@ -188,6 +175,5 @@ int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq, err2: rxe_queue_cleanup(q); srq->rq.queue = NULL; -err1: return err; } diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index f4bab2cd0ec2..2cb52fd48cf1 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -77,40 +77,6 @@ out: return rc; } -static int rxe_query_gid(struct ib_device *device, - u8 port_num, int index, union ib_gid *gid) -{ - int ret; - - if (index > RXE_PORT_GID_TBL_LEN) - return -EINVAL; - - ret = ib_get_cached_gid(device, port_num, index, gid, NULL); - if (ret == -EAGAIN) { - memcpy(gid, &zgid, sizeof(*gid)); - return 0; - } - - return ret; -} - -static int rxe_add_gid(struct ib_device *device, u8 port_num, unsigned int - index, const union ib_gid *gid, - const struct ib_gid_attr *attr, void **context) -{ - if (index >= RXE_PORT_GID_TBL_LEN) - return -EINVAL; - return 0; -} - -static int rxe_del_gid(struct ib_device *device, u8 port_num, unsigned int - index, void **context) -{ - if (index >= RXE_PORT_GID_TBL_LEN) - return -EINVAL; - return 0; -} - static struct net_device *rxe_get_netdev(struct ib_device *device, u8 port_num) { @@ -273,9 +239,7 @@ static int rxe_init_av(struct rxe_dev *rxe, struct rdma_ah_attr *attr, rxe_av_from_attr(rdma_ah_get_port_num(attr), av, attr); rxe_av_fill_ip_info(av, attr, &sgid_attr, &sgid); - - if (sgid_attr.ndev) - dev_put(sgid_attr.ndev); + dev_put(sgid_attr.ndev); return 0; } @@ -407,6 +371,13 @@ static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd, struct rxe_pd *pd = to_rpd(ibpd); struct rxe_srq *srq; struct ib_ucontext *context = udata ? ibpd->uobject->context : NULL; + struct rxe_create_srq_resp __user *uresp = NULL; + + if (udata) { + if (udata->outlen < sizeof(*uresp)) + return ERR_PTR(-EINVAL); + uresp = udata->outbuf; + } err = rxe_srq_chk_attr(rxe, NULL, &init->attr, IB_SRQ_INIT_MASK); if (err) @@ -422,7 +393,7 @@ static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd, rxe_add_ref(pd); srq->pd = pd; - err = rxe_srq_from_init(rxe, srq, init, context, udata); + err = rxe_srq_from_init(rxe, srq, init, context, uresp); if (err) goto err2; @@ -443,12 +414,22 @@ static int rxe_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, int err; struct rxe_srq *srq = to_rsrq(ibsrq); struct rxe_dev *rxe = to_rdev(ibsrq->device); + struct rxe_modify_srq_cmd ucmd = {}; + + if (udata) { + if (udata->inlen < sizeof(ucmd)) + return -EINVAL; + + err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); + if (err) + return err; + } err = rxe_srq_chk_attr(rxe, srq, attr, mask); if (err) goto err1; - err = rxe_srq_from_attr(rxe, srq, attr, mask, udata); + err = rxe_srq_from_attr(rxe, srq, attr, mask, &ucmd); if (err) goto err1; @@ -517,6 +498,13 @@ static struct ib_qp *rxe_create_qp(struct ib_pd *ibpd, struct rxe_dev *rxe = to_rdev(ibpd->device); struct rxe_pd *pd = to_rpd(ibpd); struct rxe_qp *qp; + struct rxe_create_qp_resp __user *uresp = NULL; + + if (udata) { + if (udata->outlen < sizeof(*uresp)) + return ERR_PTR(-EINVAL); + uresp = udata->outbuf; + } err = rxe_qp_chk_init(rxe, init); if (err) @@ -538,7 +526,7 @@ static struct ib_qp *rxe_create_qp(struct ib_pd *ibpd, rxe_add_index(qp); - err = rxe_qp_from_init(rxe, qp, pd, init, udata, ibpd); + err = rxe_qp_from_init(rxe, qp, pd, init, uresp, ibpd); if (err) goto err3; @@ -711,9 +699,8 @@ static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr, memcpy(wqe->dma.sge, ibwr->sg_list, num_sge * sizeof(struct ib_sge)); - wqe->iova = (mask & WR_ATOMIC_MASK) ? - atomic_wr(ibwr)->remote_addr : - rdma_wr(ibwr)->remote_addr; + wqe->iova = mask & WR_ATOMIC_MASK ? atomic_wr(ibwr)->remote_addr : + mask & WR_READ_OR_WRITE_MASK ? rdma_wr(ibwr)->remote_addr : 0; wqe->mask = mask; wqe->dma.length = length; wqe->dma.resid = length; @@ -889,11 +876,18 @@ static struct ib_cq *rxe_create_cq(struct ib_device *dev, int err; struct rxe_dev *rxe = to_rdev(dev); struct rxe_cq *cq; + struct rxe_create_cq_resp __user *uresp = NULL; + + if (udata) { + if (udata->outlen < sizeof(*uresp)) + return ERR_PTR(-EINVAL); + uresp = udata->outbuf; + } if (attr->flags) return ERR_PTR(-EINVAL); - err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector, udata); + err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector); if (err) goto err1; @@ -904,7 +898,7 @@ static struct ib_cq *rxe_create_cq(struct ib_device *dev, } err = rxe_cq_from_init(rxe, cq, attr->cqe, attr->comp_vector, - context, udata); + context, uresp); if (err) goto err2; @@ -931,12 +925,19 @@ static int rxe_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata) int err; struct rxe_cq *cq = to_rcq(ibcq); struct rxe_dev *rxe = to_rdev(ibcq->device); + struct rxe_resize_cq_resp __user *uresp = NULL; + + if (udata) { + if (udata->outlen < sizeof(*uresp)) + return -EINVAL; + uresp = udata->outbuf; + } - err = rxe_cq_chk_attr(rxe, cq, cqe, 0, udata); + err = rxe_cq_chk_attr(rxe, cq, cqe, 0); if (err) goto err1; - err = rxe_cq_resize_queue(cq, cqe, udata); + err = rxe_cq_resize_queue(cq, cqe, uresp); if (err) goto err1; @@ -1207,7 +1208,7 @@ int rxe_register_device(struct rxe_dev *rxe) rxe->ndev->dev_addr); dev->dev.dma_ops = &dma_virt_ops; dma_coerce_mask_and_coherent(&dev->dev, - dma_get_required_mask(dev->dev.parent)); + dma_get_required_mask(&dev->dev)); dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION; dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT) @@ -1248,10 +1249,7 @@ int rxe_register_device(struct rxe_dev *rxe) dev->query_port = rxe_query_port; dev->modify_port = rxe_modify_port; dev->get_link_layer = rxe_get_link_layer; - dev->query_gid = rxe_query_gid; dev->get_netdev = rxe_get_netdev; - dev->add_gid = rxe_add_gid; - dev->del_gid = rxe_del_gid; dev->query_pkey = rxe_query_pkey; dev->alloc_ucontext = rxe_alloc_ucontext; dev->dealloc_ucontext = rxe_dealloc_ucontext; @@ -1298,6 +1296,7 @@ int rxe_register_device(struct rxe_dev *rxe) } rxe->tfm = tfm; + dev->driver_id = RDMA_DRIVER_RXE; err = ib_register_device(dev, NULL); if (err) { pr_warn("%s failed with error %d\n", __func__, err); diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 1019f5e7dbdd..af1470d29391 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -139,8 +139,6 @@ enum rxe_qp_state { QP_STATE_ERROR }; -extern char *rxe_qp_state_name[]; - struct rxe_req_info { enum rxe_qp_state state; int wqe_index; diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 8033a006277f..308e0ce49289 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -193,11 +193,6 @@ struct ipoib_tx_buf { u64 mapping[MAX_SKB_FRAGS + 1]; }; -struct ipoib_cm_tx_buf { - struct sk_buff *skb; - u64 mapping; -}; - struct ib_cm_id; struct ipoib_cm_data { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 10384ea50bed..f47f9ace1f48 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -1085,7 +1085,7 @@ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv) netif_addr_unlock_bh(priv->dev); - err = ib_find_gid(priv->ca, &search_gid, priv->dev, &port, &index); + err = ib_find_gid(priv->ca, &search_gid, &port, &index); netif_addr_lock_bh(priv->dev); diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index b48843833d69..c35d2cd37d70 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -327,29 +327,10 @@ static int srp_new_ib_cm_id(struct srp_rdma_ch *ch) return 0; } -static const char *inet_ntop(const void *sa, char *dst, unsigned int size) -{ - switch (((struct sockaddr *)sa)->sa_family) { - case AF_INET: - snprintf(dst, size, "%pI4", - &((struct sockaddr_in *)sa)->sin_addr); - break; - case AF_INET6: - snprintf(dst, size, "%pI6", - &((struct sockaddr_in6 *)sa)->sin6_addr); - break; - default: - snprintf(dst, size, "???"); - break; - } - return dst; -} - static int srp_new_rdma_cm_id(struct srp_rdma_ch *ch) { struct srp_target_port *target = ch->target; struct rdma_cm_id *new_cm_id; - char src_addr[64], dst_addr[64]; int ret; new_cm_id = rdma_create_id(target->net, srp_rdma_cm_handler, ch, @@ -366,13 +347,8 @@ static int srp_new_rdma_cm_id(struct srp_rdma_ch *ch) (struct sockaddr *)&target->rdma_cm.dst, SRP_PATH_REC_TIMEOUT_MS); if (ret) { - pr_err("No route available from %s to %s (%d)\n", - target->rdma_cm.src_specified ? - inet_ntop(&target->rdma_cm.src, src_addr, - sizeof(src_addr)) : "(any)", - inet_ntop(&target->rdma_cm.dst, dst_addr, - sizeof(dst_addr)), - ret); + pr_err("No route available from %pIS to %pIS (%d)\n", + &target->rdma_cm.src, &target->rdma_cm.dst, ret); goto out; } ret = wait_for_completion_interruptible(&ch->done); @@ -381,10 +357,8 @@ static int srp_new_rdma_cm_id(struct srp_rdma_ch *ch) ret = ch->status; if (ret) { - pr_err("Resolving address %s failed (%d)\n", - inet_ntop(&target->rdma_cm.dst, dst_addr, - sizeof(dst_addr)), - ret); + pr_err("Resolving address %pIS failed (%d)\n", + &target->rdma_cm.dst, ret); goto out; } @@ -457,6 +431,7 @@ static struct srp_fr_pool *srp_create_fr_pool(struct ib_device *device, struct srp_fr_desc *d; struct ib_mr *mr; int i, ret = -EINVAL; + enum ib_mr_type mr_type; if (pool_size <= 0) goto err; @@ -470,9 +445,13 @@ static struct srp_fr_pool *srp_create_fr_pool(struct ib_device *device, spin_lock_init(&pool->lock); INIT_LIST_HEAD(&pool->free_list); + if (device->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG) + mr_type = IB_MR_TYPE_SG_GAPS; + else + mr_type = IB_MR_TYPE_MEM_REG; + for (i = 0, d = &pool->desc[0]; i < pool->size; i++, d++) { - mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, - max_page_list_len); + mr = ib_alloc_mr(pd, mr_type, max_page_list_len); if (IS_ERR(mr)) { ret = PTR_ERR(mr); if (ret == -ENOMEM) @@ -765,19 +744,12 @@ static void srp_path_rec_completion(int status, static int srp_ib_lookup_path(struct srp_rdma_ch *ch) { struct srp_target_port *target = ch->target; - int ret = -ENODEV; + int ret; ch->ib_cm.path.numb_path = 1; init_completion(&ch->done); - /* - * Avoid that the SCSI host can be removed by srp_remove_target() - * before srp_path_rec_completion() is called. - */ - if (!scsi_host_get(target->scsi_host)) - goto out; - ch->ib_cm.path_query_id = ib_sa_path_rec_get(&srp_sa_client, target->srp_host->srp_dev->dev, target->srp_host->port, @@ -791,27 +763,21 @@ static int srp_ib_lookup_path(struct srp_rdma_ch *ch) GFP_KERNEL, srp_path_rec_completion, ch, &ch->ib_cm.path_query); - ret = ch->ib_cm.path_query_id; - if (ret < 0) - goto put; + if (ch->ib_cm.path_query_id < 0) + return ch->ib_cm.path_query_id; ret = wait_for_completion_interruptible(&ch->done); if (ret < 0) - goto put; + return ret; - ret = ch->status; - if (ret < 0) + if (ch->status < 0) shost_printk(KERN_WARNING, target->scsi_host, PFX "Path record query failed: sgid %pI6, dgid %pI6, pkey %#04x, service_id %#16llx\n", ch->ib_cm.path.sgid.raw, ch->ib_cm.path.dgid.raw, be16_to_cpu(target->ib_cm.pkey), be64_to_cpu(target->ib_cm.service_id)); -put: - scsi_host_put(target->scsi_host); - -out: - return ret; + return ch->status; } static int srp_rdma_lookup_path(struct srp_rdma_ch *ch) @@ -2974,9 +2940,11 @@ static int srp_abort(struct scsi_cmnd *scmnd) ret = FAST_IO_FAIL; else ret = FAILED; - srp_free_req(ch, req, scmnd, 0); - scmnd->result = DID_ABORT << 16; - scmnd->scsi_done(scmnd); + if (ret == SUCCESS) { + srp_free_req(ch, req, scmnd, 0); + scmnd->result = DID_ABORT << 16; + scmnd->scsi_done(scmnd); + } return ret; } @@ -3033,8 +3001,9 @@ static int srp_slave_alloc(struct scsi_device *sdev) struct Scsi_Host *shost = sdev->host; struct srp_target_port *target = host_to_target(shost); struct srp_device *srp_dev = target->srp_host->srp_dev; + struct ib_device *ibdev = srp_dev->dev; - if (true) + if (!(ibdev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG)) blk_queue_virt_boundary(sdev->request_queue, ~srp_dev->mr_page_mask); @@ -3365,9 +3334,6 @@ static bool srp_conn_unique(struct srp_host *host, if (t != target && target->id_ext == t->id_ext && target->ioc_guid == t->ioc_guid && - (!target->using_rdma_cm || - memcmp(&target->rdma_cm.dst, &t->rdma_cm.dst, - sizeof(target->rdma_cm.dst)) == 0) && target->initiator_ext == t->initiator_ext) { ret = false; break; @@ -3445,18 +3411,37 @@ static const match_table_t srp_opt_tokens = { { SRP_OPT_ERR, NULL } }; +/** + * srp_parse_in - parse an IP address and port number combination + * + * Parse the following address formats: + * - IPv4: <ip_address>:<port>, e.g. 1.2.3.4:5. + * - IPv6: \[<ipv6_address>\]:<port>, e.g. [1::2:3%4]:5. + */ static int srp_parse_in(struct net *net, struct sockaddr_storage *sa, const char *addr_port_str) { - char *addr = kstrdup(addr_port_str, GFP_KERNEL); - char *port_str = addr; + char *addr_end, *addr = kstrdup(addr_port_str, GFP_KERNEL); + char *port_str; int ret; if (!addr) return -ENOMEM; - strsep(&port_str, ":"); - ret = inet_pton_with_scope(net, AF_UNSPEC, addr, port_str, sa); + port_str = strrchr(addr, ':'); + if (!port_str) + return -EINVAL; + *port_str++ = '\0'; + ret = inet_pton_with_scope(net, AF_INET, addr, port_str, sa); + if (ret && addr[0]) { + addr_end = addr + strlen(addr) - 1; + if (addr[0] == '[' && *addr_end == ']') { + *addr_end = '\0'; + ret = inet_pton_with_scope(net, AF_INET6, addr + 1, + port_str, sa); + } + } kfree(addr); + pr_debug("%s -> %pISpfsc\n", addr_port_str, sa); return ret; } @@ -3789,14 +3774,11 @@ static ssize_t srp_create_target(struct device *dev, if (!srp_conn_unique(target->srp_host, target)) { if (target->using_rdma_cm) { - char dst_addr[64]; - shost_printk(KERN_INFO, target->scsi_host, - PFX "Already connected to target port with id_ext=%016llx;ioc_guid=%016llx;dest=%s\n", + PFX "Already connected to target port with id_ext=%016llx;ioc_guid=%016llx;dest=%pIS\n", be64_to_cpu(target->id_ext), be64_to_cpu(target->ioc_guid), - inet_ntop(&target->rdma_cm.dst, dst_addr, - sizeof(dst_addr))); + &target->rdma_cm.dst); } else { shost_printk(KERN_INFO, target->scsi_host, PFX "Already connected to target port with id_ext=%016llx;ioc_guid=%016llx;initiator_ext=%016llx\n", @@ -3815,26 +3797,36 @@ static ssize_t srp_create_target(struct device *dev, } if (srp_dev->use_fast_reg || srp_dev->use_fmr) { - /* - * FR and FMR can only map one HCA page per entry. If the - * start address is not aligned on a HCA page boundary two - * entries will be used for the head and the tail although - * these two entries combined contain at most one HCA page of - * data. Hence the "+ 1" in the calculation below. - * - * The indirect data buffer descriptor is contiguous so the - * memory for that buffer will only be registered if - * register_always is true. Hence add one to mr_per_cmd if - * register_always has been set. - */ + bool gaps_reg = (ibdev->attrs.device_cap_flags & + IB_DEVICE_SG_GAPS_REG); + max_sectors_per_mr = srp_dev->max_pages_per_mr << (ilog2(srp_dev->mr_page_size) - 9); - mr_per_cmd = register_always + - (target->scsi_host->max_sectors + 1 + - max_sectors_per_mr - 1) / max_sectors_per_mr; + if (!gaps_reg) { + /* + * FR and FMR can only map one HCA page per entry. If + * the start address is not aligned on a HCA page + * boundary two entries will be used for the head and + * the tail although these two entries combined + * contain at most one HCA page of data. Hence the "+ + * 1" in the calculation below. + * + * The indirect data buffer descriptor is contiguous + * so the memory for that buffer will only be + * registered if register_always is true. Hence add + * one to mr_per_cmd if register_always has been set. + */ + mr_per_cmd = register_always + + (target->scsi_host->max_sectors + 1 + + max_sectors_per_mr - 1) / max_sectors_per_mr; + } else { + mr_per_cmd = register_always + + (target->sg_tablesize + + srp_dev->max_pages_per_mr - 1) / + srp_dev->max_pages_per_mr; + } pr_debug("max_sectors = %u; max_pages_per_mr = %u; mr_page_size = %u; max_sectors_per_mr = %u; mr_per_cmd = %u\n", - target->scsi_host->max_sectors, - srp_dev->max_pages_per_mr, srp_dev->mr_page_size, + target->scsi_host->max_sectors, srp_dev->max_pages_per_mr, srp_dev->mr_page_size, max_sectors_per_mr, mr_per_cmd); } @@ -3871,12 +3863,10 @@ static ssize_t srp_create_target(struct device *dev, num_online_nodes()); const int ch_end = ((node_idx + 1) * target->ch_count / num_online_nodes()); - const int cv_start = (node_idx * ibdev->num_comp_vectors / - num_online_nodes() + target->comp_vector) - % ibdev->num_comp_vectors; - const int cv_end = ((node_idx + 1) * ibdev->num_comp_vectors / - num_online_nodes() + target->comp_vector) - % ibdev->num_comp_vectors; + const int cv_start = node_idx * ibdev->num_comp_vectors / + num_online_nodes(); + const int cv_end = (node_idx + 1) * ibdev->num_comp_vectors / + num_online_nodes(); int cpu_idx = 0; for_each_online_cpu(cpu) { @@ -3907,8 +3897,8 @@ static ssize_t srp_create_target(struct device *dev, char dst[64]; if (target->using_rdma_cm) - inet_ntop(&target->rdma_cm.dst, dst, - sizeof(dst)); + snprintf(dst, sizeof(dst), "%pIS", + &target->rdma_cm.dst); else snprintf(dst, sizeof(dst), "%pI6", target->ib_cm.orig_dgid.raw); @@ -3941,14 +3931,11 @@ connected: if (target->state != SRP_TARGET_REMOVED) { if (target->using_rdma_cm) { - char dst[64]; - - inet_ntop(&target->rdma_cm.dst, dst, sizeof(dst)); shost_printk(KERN_DEBUG, target->scsi_host, PFX - "new target: id_ext %016llx ioc_guid %016llx sgid %pI6 dest %s\n", + "new target: id_ext %016llx ioc_guid %016llx sgid %pI6 dest %pIS\n", be64_to_cpu(target->id_ext), be64_to_cpu(target->ioc_guid), - target->sgid.raw, dst); + target->sgid.raw, &target->rdma_cm.dst); } else { shost_printk(KERN_DEBUG, target->scsi_host, PFX "new target: id_ext %016llx ioc_guid %016llx pkey %04x service_id %016llx sgid %pI6 dgid %pI6\n", diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 0373b7c40902..dfec0e1fac29 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -41,6 +41,7 @@ #include <linux/string.h> #include <linux/delay.h> #include <linux/atomic.h> +#include <linux/inet.h> #include <rdma/ib_cache.h> #include <scsi/scsi_proto.h> #include <scsi/scsi_tcq.h> @@ -92,6 +93,11 @@ MODULE_PARM_DESC(srpt_service_guid, " instead of using the node_guid of the first HCA."); static struct ib_client srpt_client; +/* Protects both rdma_cm_port and rdma_cm_id. */ +static DEFINE_MUTEX(rdma_cm_mutex); +/* Port number RDMA/CM will bind to. */ +static u16 rdma_cm_port; +static struct rdma_cm_id *rdma_cm_id; static void srpt_release_cmd(struct se_cmd *se_cmd); static void srpt_free_ch(struct kref *kref); static int srpt_queue_status(struct se_cmd *cmd); @@ -220,7 +226,10 @@ static void srpt_qp_event(struct ib_event *event, struct srpt_rdma_ch *ch) switch (event->event) { case IB_EVENT_COMM_EST: - ib_cm_notify(ch->ib_cm.cm_id, event->event); + if (ch->using_rdma_cm) + rdma_notify(ch->rdma_cm.cm_id, event->event); + else + ib_cm_notify(ch->ib_cm.cm_id, event->event); break; case IB_EVENT_QP_LAST_WQE_REACHED: pr_debug("%s-%d, state %s: received Last WQE event.\n", @@ -838,16 +847,20 @@ static int srpt_post_recv(struct srpt_device *sdev, struct srpt_rdma_ch *ch, */ static int srpt_zerolength_write(struct srpt_rdma_ch *ch) { - struct ib_send_wr wr, *bad_wr; + struct ib_send_wr *bad_wr; + struct ib_rdma_wr wr = { + .wr = { + .next = NULL, + { .wr_cqe = &ch->zw_cqe, }, + .opcode = IB_WR_RDMA_WRITE, + .send_flags = IB_SEND_SIGNALED, + } + }; pr_debug("%s-%d: queued zerolength write\n", ch->sess_name, ch->qp->qp_num); - memset(&wr, 0, sizeof(wr)); - wr.opcode = IB_WR_RDMA_WRITE; - wr.wr_cqe = &ch->zw_cqe; - wr.send_flags = IB_SEND_SIGNALED; - return ib_post_send(ch->qp, &wr, &bad_wr); + return ib_post_send(ch->qp, &wr.wr, &bad_wr); } static void srpt_zerolength_write_done(struct ib_cq *cq, struct ib_wc *wc) @@ -1057,6 +1070,8 @@ static int srpt_init_ch_qp(struct srpt_rdma_ch *ch, struct ib_qp *qp) struct ib_qp_attr *attr; int ret; + WARN_ON_ONCE(ch->using_rdma_cm); + attr = kzalloc(sizeof(*attr), GFP_KERNEL); if (!attr) return -ENOMEM; @@ -1096,6 +1111,8 @@ static int srpt_ch_qp_rtr(struct srpt_rdma_ch *ch, struct ib_qp *qp) int attr_mask; int ret; + WARN_ON_ONCE(ch->using_rdma_cm); + qp_attr.qp_state = IB_QPS_RTR; ret = ib_cm_init_qp_attr(ch->ib_cm.cm_id, &qp_attr, &attr_mask); if (ret) @@ -1746,18 +1763,33 @@ retry: qp_init->cap.max_recv_sge = qp_init->cap.max_send_sge; } - ch->qp = ib_create_qp(sdev->pd, qp_init); - if (IS_ERR(ch->qp)) { - ret = PTR_ERR(ch->qp); - if (ret == -ENOMEM) { - sq_size /= 2; - if (sq_size >= MIN_SRPT_SQ_SIZE) { - ib_destroy_cq(ch->cq); - goto retry; - } + if (ch->using_rdma_cm) { + ret = rdma_create_qp(ch->rdma_cm.cm_id, sdev->pd, qp_init); + ch->qp = ch->rdma_cm.cm_id->qp; + } else { + ch->qp = ib_create_qp(sdev->pd, qp_init); + if (!IS_ERR(ch->qp)) { + ret = srpt_init_ch_qp(ch, ch->qp); + if (ret) + ib_destroy_qp(ch->qp); + } else { + ret = PTR_ERR(ch->qp); + } + } + if (ret) { + bool retry = sq_size > MIN_SRPT_SQ_SIZE; + + if (retry) { + pr_debug("failed to create queue pair with sq_size = %d (%d) - retrying\n", + sq_size, ret); + ib_free_cq(ch->cq); + sq_size = max(sq_size / 2, MIN_SRPT_SQ_SIZE); + goto retry; + } else { + pr_err("failed to create queue pair with sq_size = %d (%d)\n", + sq_size, ret); + goto err_destroy_cq; } - pr_err("failed to create_qp ret= %d\n", ret); - goto err_destroy_cq; } atomic_set(&ch->sq_wr_avail, qp_init->cap.max_send_wr); @@ -1766,10 +1798,6 @@ retry: __func__, ch->cq->cqe, qp_init->cap.max_send_sge, qp_init->cap.max_send_wr, ch); - ret = srpt_init_ch_qp(ch, ch->qp); - if (ret) - goto err_destroy_qp; - if (!sdev->use_srq) for (i = 0; i < ch->rq_size; i++) srpt_post_recv(sdev, ch, ch->ioctx_recv_ring[i]); @@ -1778,9 +1806,8 @@ out: kfree(qp_init); return ret; -err_destroy_qp: - ib_destroy_qp(ch->qp); err_destroy_cq: + ch->qp = NULL; ib_free_cq(ch->cq); goto out; } @@ -1849,9 +1876,13 @@ static int srpt_disconnect_ch(struct srpt_rdma_ch *ch) if (!srpt_set_ch_state(ch, CH_DISCONNECTING)) return -ENOTCONN; - ret = ib_send_cm_dreq(ch->ib_cm.cm_id, NULL, 0); - if (ret < 0) - ret = ib_send_cm_drep(ch->ib_cm.cm_id, NULL, 0); + if (ch->using_rdma_cm) { + ret = rdma_disconnect(ch->rdma_cm.cm_id); + } else { + ret = ib_send_cm_dreq(ch->ib_cm.cm_id, NULL, 0); + if (ret < 0) + ret = ib_send_cm_drep(ch->ib_cm.cm_id, NULL, 0); + } if (ret < 0 && srpt_close_ch(ch)) ret = 0; @@ -2002,7 +2033,10 @@ static void srpt_release_channel_work(struct work_struct *w) transport_deregister_session(se_sess); ch->sess = NULL; - ib_destroy_cm_id(ch->ib_cm.cm_id); + if (ch->using_rdma_cm) + rdma_destroy_id(ch->rdma_cm.cm_id); + else + ib_destroy_cm_id(ch->ib_cm.cm_id); srpt_destroy_ch_ib(ch); @@ -2026,26 +2060,33 @@ static void srpt_release_channel_work(struct work_struct *w) /** * srpt_cm_req_recv - process the event IB_CM_REQ_RECEIVED - * @cm_id: IB/CM connection identifier. - * @port_num: Port through which the IB/CM REQ message was received. + * @sdev: HCA through which the login request was received. + * @ib_cm_id: IB/CM connection identifier in case of IB/CM. + * @rdma_cm_id: RDMA/CM connection identifier in case of RDMA/CM. + * @port_num: Port through which the REQ message was received. * @pkey: P_Key of the incoming connection. * @req: SRP login request. - * @src_addr: GID of the port that submitted the login request. + * @src_addr: GID (IB/CM) or IP address (RDMA/CM) of the port that submitted + * the login request. * * Ownership of the cm_id is transferred to the target session if this - * functions returns zero. Otherwise the caller remains the owner of cm_id. + * function returns zero. Otherwise the caller remains the owner of cm_id. */ -static int srpt_cm_req_recv(struct ib_cm_id *cm_id, +static int srpt_cm_req_recv(struct srpt_device *const sdev, + struct ib_cm_id *ib_cm_id, + struct rdma_cm_id *rdma_cm_id, u8 port_num, __be16 pkey, const struct srp_login_req *req, const char *src_addr) { - struct srpt_device *sdev = cm_id->context; struct srpt_port *sport = &sdev->port[port_num - 1]; struct srpt_nexus *nexus; struct srp_login_rsp *rsp = NULL; struct srp_login_rej *rej = NULL; - struct ib_cm_rep_param *rep_param = NULL; + union { + struct rdma_conn_param rdma_cm; + struct ib_cm_rep_param ib_cm; + } *rep_param = NULL; struct srpt_rdma_ch *ch; char i_port_id[36]; u32 it_iu_len; @@ -2115,8 +2156,14 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ch->zw_cqe.done = srpt_zerolength_write_done; INIT_WORK(&ch->release_work, srpt_release_channel_work); ch->sport = sport; - ch->ib_cm.cm_id = cm_id; - cm_id->context = ch; + if (ib_cm_id) { + ch->ib_cm.cm_id = ib_cm_id; + ib_cm_id->context = ch; + } else { + ch->using_rdma_cm = true; + ch->rdma_cm.cm_id = rdma_cm_id; + rdma_cm_id->context = ch; + } /* * ch->rq_size should be at least as large as the initiator queue * depth to avoid that the initiator driver has to report QUEUE_FULL @@ -2227,7 +2274,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, mutex_unlock(&sport->mutex); - ret = srpt_ch_qp_rtr(ch, ch->qp); + ret = ch->using_rdma_cm ? 0 : srpt_ch_qp_rtr(ch, ch->qp); if (ret) { rej->reason = cpu_to_be32(SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because enabling RTR failed (error code = %d)\n", @@ -2251,25 +2298,38 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, atomic_set(&ch->req_lim_delta, 0); /* create cm reply */ - rep_param->qp_num = ch->qp->qp_num; - rep_param->private_data = (void *)rsp; - rep_param->private_data_len = sizeof(*rsp); - rep_param->rnr_retry_count = 7; - rep_param->flow_control = 1; - rep_param->failover_accepted = 0; - rep_param->srq = 1; - rep_param->responder_resources = 4; - rep_param->initiator_depth = 4; + if (ch->using_rdma_cm) { + rep_param->rdma_cm.private_data = (void *)rsp; + rep_param->rdma_cm.private_data_len = sizeof(*rsp); + rep_param->rdma_cm.rnr_retry_count = 7; + rep_param->rdma_cm.flow_control = 1; + rep_param->rdma_cm.responder_resources = 4; + rep_param->rdma_cm.initiator_depth = 4; + } else { + rep_param->ib_cm.qp_num = ch->qp->qp_num; + rep_param->ib_cm.private_data = (void *)rsp; + rep_param->ib_cm.private_data_len = sizeof(*rsp); + rep_param->ib_cm.rnr_retry_count = 7; + rep_param->ib_cm.flow_control = 1; + rep_param->ib_cm.failover_accepted = 0; + rep_param->ib_cm.srq = 1; + rep_param->ib_cm.responder_resources = 4; + rep_param->ib_cm.initiator_depth = 4; + } /* * Hold the sport mutex while accepting a connection to avoid that * srpt_disconnect_ch() is invoked concurrently with this code. */ mutex_lock(&sport->mutex); - if (sport->enabled && ch->state == CH_CONNECTING) - ret = ib_send_cm_rep(cm_id, rep_param); - else + if (sport->enabled && ch->state == CH_CONNECTING) { + if (ch->using_rdma_cm) + ret = rdma_accept(rdma_cm_id, &rep_param->rdma_cm); + else + ret = ib_send_cm_rep(ib_cm_id, &rep_param->ib_cm); + } else { ret = -EINVAL; + } mutex_unlock(&sport->mutex); switch (ret) { @@ -2299,7 +2359,8 @@ free_ring: ch->sport->sdev, ch->rq_size, ch->max_rsp_size, DMA_TO_DEVICE); free_ch: - cm_id->context = NULL; + if (ib_cm_id) + ib_cm_id->context = NULL; kfree(ch); ch = NULL; @@ -2312,8 +2373,11 @@ reject: rej->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT | SRP_BUF_FORMAT_INDIRECT); - ib_send_cm_rej(cm_id, IB_CM_REJ_CONSUMER_DEFINED, NULL, 0, - (void *)rej, sizeof(*rej)); + if (rdma_cm_id) + rdma_reject(rdma_cm_id, rej, sizeof(*rej)); + else + ib_send_cm_rej(ib_cm_id, IB_CM_REJ_CONSUMER_DEFINED, NULL, 0, + rej, sizeof(*rej)); out: kfree(rep_param); @@ -2332,10 +2396,44 @@ static int srpt_ib_cm_req_recv(struct ib_cm_id *cm_id, srpt_format_guid(sguid, sizeof(sguid), ¶m->primary_path->dgid.global.interface_id); - return srpt_cm_req_recv(cm_id, param->port, param->primary_path->pkey, + return srpt_cm_req_recv(cm_id->context, cm_id, NULL, param->port, + param->primary_path->pkey, private_data, sguid); } +static int srpt_rdma_cm_req_recv(struct rdma_cm_id *cm_id, + struct rdma_cm_event *event) +{ + struct srpt_device *sdev; + struct srp_login_req req; + const struct srp_login_req_rdma *req_rdma; + char src_addr[40]; + + sdev = ib_get_client_data(cm_id->device, &srpt_client); + if (!sdev) + return -ECONNREFUSED; + + if (event->param.conn.private_data_len < sizeof(*req_rdma)) + return -EINVAL; + + /* Transform srp_login_req_rdma into srp_login_req. */ + req_rdma = event->param.conn.private_data; + memset(&req, 0, sizeof(req)); + req.opcode = req_rdma->opcode; + req.tag = req_rdma->tag; + req.req_it_iu_len = req_rdma->req_it_iu_len; + req.req_buf_fmt = req_rdma->req_buf_fmt; + req.req_flags = req_rdma->req_flags; + memcpy(req.initiator_port_id, req_rdma->initiator_port_id, 16); + memcpy(req.target_port_id, req_rdma->target_port_id, 16); + + snprintf(src_addr, sizeof(src_addr), "%pIS", + &cm_id->route.addr.src_addr); + + return srpt_cm_req_recv(sdev, NULL, cm_id, cm_id->port_num, + cm_id->route.path_rec->pkey, &req, src_addr); +} + static void srpt_cm_rej_recv(struct srpt_rdma_ch *ch, enum ib_cm_rej_reason reason, const u8 *private_data, @@ -2359,14 +2457,14 @@ static void srpt_cm_rej_recv(struct srpt_rdma_ch *ch, * srpt_cm_rtu_recv - process an IB_CM_RTU_RECEIVED or USER_ESTABLISHED event * @ch: SRPT RDMA channel. * - * An IB_CM_RTU_RECEIVED message indicates that the connection is established - * and that the recipient may begin transmitting (RTU = ready to use). + * An RTU (ready to use) message indicates that the connection has been + * established and that the recipient may begin transmitting. */ static void srpt_cm_rtu_recv(struct srpt_rdma_ch *ch) { int ret; - ret = srpt_ch_qp_rts(ch, ch->qp); + ret = ch->using_rdma_cm ? 0 : srpt_ch_qp_rts(ch, ch->qp); if (ret < 0) { pr_err("%s-%d: QP transition to RTS failed\n", ch->sess_name, ch->qp->qp_num); @@ -2453,6 +2551,49 @@ static int srpt_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) return ret; } +static int srpt_rdma_cm_handler(struct rdma_cm_id *cm_id, + struct rdma_cm_event *event) +{ + struct srpt_rdma_ch *ch = cm_id->context; + int ret = 0; + + switch (event->event) { + case RDMA_CM_EVENT_CONNECT_REQUEST: + ret = srpt_rdma_cm_req_recv(cm_id, event); + break; + case RDMA_CM_EVENT_REJECTED: + srpt_cm_rej_recv(ch, event->status, + event->param.conn.private_data, + event->param.conn.private_data_len); + break; + case RDMA_CM_EVENT_ESTABLISHED: + srpt_cm_rtu_recv(ch); + break; + case RDMA_CM_EVENT_DISCONNECTED: + if (ch->state < CH_DISCONNECTING) + srpt_disconnect_ch(ch); + else + srpt_close_ch(ch); + break; + case RDMA_CM_EVENT_TIMEWAIT_EXIT: + srpt_close_ch(ch); + break; + case RDMA_CM_EVENT_UNREACHABLE: + pr_info("Received CM REP error for ch %s-%d.\n", ch->sess_name, + ch->qp->qp_num); + break; + case RDMA_CM_EVENT_DEVICE_REMOVAL: + case RDMA_CM_EVENT_ADDR_CHANGE: + break; + default: + pr_err("received unrecognized RDMA CM event %d\n", + event->event); + break; + } + + return ret; +} + static int srpt_write_pending_status(struct se_cmd *se_cmd) { struct srpt_send_ioctx *ioctx; @@ -2824,7 +2965,7 @@ static void srpt_add_one(struct ib_device *device) { struct srpt_device *sdev; struct srpt_port *sport; - int i; + int i, ret; pr_debug("device = %p\n", device); @@ -2848,9 +2989,15 @@ static void srpt_add_one(struct ib_device *device) if (!srpt_service_guid) srpt_service_guid = be64_to_cpu(device->node_guid); - sdev->cm_id = ib_create_cm_id(device, srpt_cm_handler, sdev); - if (IS_ERR(sdev->cm_id)) - goto err_ring; + if (rdma_port_get_link_layer(device, 1) == IB_LINK_LAYER_INFINIBAND) + sdev->cm_id = ib_create_cm_id(device, srpt_cm_handler, sdev); + if (IS_ERR(sdev->cm_id)) { + pr_info("ib_create_cm_id() failed: %ld\n", + PTR_ERR(sdev->cm_id)); + sdev->cm_id = NULL; + if (!rdma_cm_id) + goto err_ring; + } /* print out target login information */ pr_debug("Target login info: id_ext=%016llx,ioc_guid=%016llx," @@ -2863,8 +3010,14 @@ static void srpt_add_one(struct ib_device *device) * in the system as service_id; therefore, the target_id will change * if this HCA is gone bad and replaced by different HCA */ - if (ib_cm_listen(sdev->cm_id, cpu_to_be64(srpt_service_guid), 0)) + ret = sdev->cm_id ? + ib_cm_listen(sdev->cm_id, cpu_to_be64(srpt_service_guid), 0) : + 0; + if (ret < 0) { + pr_err("ib_cm_listen() failed: %d (cm_id state = %d)\n", ret, + sdev->cm_id->state); goto err_cm; + } INIT_IB_EVENT_HANDLER(&sdev->event_handler, sdev->device, srpt_event_handler); @@ -2904,7 +3057,8 @@ out: err_event: ib_unregister_event_handler(&sdev->event_handler); err_cm: - ib_destroy_cm_id(sdev->cm_id); + if (sdev->cm_id) + ib_destroy_cm_id(sdev->cm_id); err_ring: srpt_free_srq(sdev); ib_dealloc_pd(sdev->pd); @@ -2939,7 +3093,10 @@ static void srpt_remove_one(struct ib_device *device, void *client_data) for (i = 0; i < sdev->device->phys_port_cnt; i++) cancel_work_sync(&sdev->port[i].work); - ib_destroy_cm_id(sdev->cm_id); + if (sdev->cm_id) + ib_destroy_cm_id(sdev->cm_id); + + ib_set_client_data(device, &srpt_client, NULL); /* * Unregistering a target must happen after destroying sdev->cm_id @@ -3103,18 +3260,26 @@ static int srpt_parse_i_port_id(u8 i_port_id[16], const char *name) leading_zero_bytes = 16 - count; memset(i_port_id, 0, leading_zero_bytes); ret = hex2bin(i_port_id + leading_zero_bytes, p, count); - if (ret < 0) - pr_debug("hex2bin failed for srpt_parse_i_port_id: %d\n", ret); + out: return ret; } /* - * configfs callback function invoked for - * mkdir /sys/kernel/config/target/$driver/$port/$tpg/acls/$i_port_id + * configfs callback function invoked for mkdir + * /sys/kernel/config/target/$driver/$port/$tpg/acls/$i_port_id + * + * i_port_id must be an initiator port GUID, GID or IP address. See also the + * target_alloc_session() calls in this driver. Examples of valid initiator + * port IDs: + * 0x0000000000000000505400fffe4a0b7b + * 0000000000000000505400fffe4a0b7b + * 5054:00ff:fe4a:0b7b + * 192.168.122.76 */ static int srpt_init_nodeacl(struct se_node_acl *se_nacl, const char *name) { + struct sockaddr_storage sa; u64 guid; u8 i_port_id[16]; int ret; @@ -3123,6 +3288,9 @@ static int srpt_init_nodeacl(struct se_node_acl *se_nacl, const char *name) if (ret < 0) ret = srpt_parse_i_port_id(i_port_id, name); if (ret < 0) + ret = inet_pton_with_scope(&init_net, AF_UNSPEC, name, NULL, + &sa); + if (ret < 0) pr_err("invalid initiator port ID %s\n", name); return ret; } @@ -3296,6 +3464,95 @@ static struct configfs_attribute *srpt_tpg_attrib_attrs[] = { NULL, }; +static struct rdma_cm_id *srpt_create_rdma_id(struct sockaddr *listen_addr) +{ + struct rdma_cm_id *rdma_cm_id; + int ret; + + rdma_cm_id = rdma_create_id(&init_net, srpt_rdma_cm_handler, + NULL, RDMA_PS_TCP, IB_QPT_RC); + if (IS_ERR(rdma_cm_id)) { + pr_err("RDMA/CM ID creation failed: %ld\n", + PTR_ERR(rdma_cm_id)); + goto out; + } + + ret = rdma_bind_addr(rdma_cm_id, listen_addr); + if (ret) { + char addr_str[64]; + + snprintf(addr_str, sizeof(addr_str), "%pISp", listen_addr); + pr_err("Binding RDMA/CM ID to address %s failed: %d\n", + addr_str, ret); + rdma_destroy_id(rdma_cm_id); + rdma_cm_id = ERR_PTR(ret); + goto out; + } + + ret = rdma_listen(rdma_cm_id, 128); + if (ret) { + pr_err("rdma_listen() failed: %d\n", ret); + rdma_destroy_id(rdma_cm_id); + rdma_cm_id = ERR_PTR(ret); + } + +out: + return rdma_cm_id; +} + +static ssize_t srpt_rdma_cm_port_show(struct config_item *item, char *page) +{ + return sprintf(page, "%d\n", rdma_cm_port); +} + +static ssize_t srpt_rdma_cm_port_store(struct config_item *item, + const char *page, size_t count) +{ + struct sockaddr_in addr4 = { .sin_family = AF_INET }; + struct sockaddr_in6 addr6 = { .sin6_family = AF_INET6 }; + struct rdma_cm_id *new_id = NULL; + u16 val; + int ret; + + ret = kstrtou16(page, 0, &val); + if (ret < 0) + return ret; + ret = count; + if (rdma_cm_port == val) + goto out; + + if (val) { + addr6.sin6_port = cpu_to_be16(val); + new_id = srpt_create_rdma_id((struct sockaddr *)&addr6); + if (IS_ERR(new_id)) { + addr4.sin_port = cpu_to_be16(val); + new_id = srpt_create_rdma_id((struct sockaddr *)&addr4); + if (IS_ERR(new_id)) { + ret = PTR_ERR(new_id); + goto out; + } + } + } + + mutex_lock(&rdma_cm_mutex); + rdma_cm_port = val; + swap(rdma_cm_id, new_id); + mutex_unlock(&rdma_cm_mutex); + + if (new_id) + rdma_destroy_id(new_id); + ret = count; +out: + return ret; +} + +CONFIGFS_ATTR(srpt_, rdma_cm_port); + +static struct configfs_attribute *srpt_da_attrs[] = { + &srpt_attr_rdma_cm_port, + NULL, +}; + static ssize_t srpt_tpg_enable_show(struct config_item *item, char *page) { struct se_portal_group *se_tpg = to_tpg(item); @@ -3441,6 +3698,7 @@ static const struct target_core_fabric_ops srpt_template = { .fabric_drop_tpg = srpt_drop_tpg, .fabric_init_nodeacl = srpt_init_nodeacl, + .tfc_discovery_attrs = srpt_da_attrs, .tfc_wwn_attrs = srpt_wwn_attrs, .tfc_tpg_base_attrs = srpt_tpg_attrs, .tfc_tpg_attrib_attrs = srpt_tpg_attrib_attrs, @@ -3494,6 +3752,8 @@ out: static void __exit srpt_cleanup_module(void) { + if (rdma_cm_id) + rdma_destroy_id(rdma_cm_id); ib_unregister_client(&srpt_client); target_unregister_template(&srpt_template); } diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index 4d9199fd00dc..2361483476a0 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -42,6 +42,7 @@ #include <rdma/ib_verbs.h> #include <rdma/ib_sa.h> #include <rdma/ib_cm.h> +#include <rdma/rdma_cm.h> #include <rdma/rw.h> #include <scsi/srp.h> @@ -261,6 +262,7 @@ enum rdma_ch_state { * @spinlock: Protects free_list and state. * @free_list: Head of list with free send I/O contexts. * @state: channel state. See also enum rdma_ch_state. + * @using_rdma_cm: Whether the RDMA/CM or IB/CM is used for this channel. * @processing_wait_list: Whether or not cmd_wait_list is being processed. * @ioctx_ring: Send ring. * @ioctx_recv_ring: Receive I/O context ring. @@ -280,6 +282,9 @@ struct srpt_rdma_ch { struct { struct ib_cm_id *cm_id; } ib_cm; + struct { + struct rdma_cm_id *cm_id; + } rdma_cm; }; struct ib_cq *cq; struct ib_cqe zw_cqe; @@ -300,9 +305,10 @@ struct srpt_rdma_ch { struct list_head list; struct list_head cmd_wait_list; uint16_t pkey; + bool using_rdma_cm; bool processing_wait_list; struct se_session *sess; - u8 sess_name[24]; + u8 sess_name[40]; struct work_struct release_work; }; diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 634f603f941c..de6b3d416148 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -37,6 +37,7 @@ #include <linux/module.h> #include <linux/cache.h> #include <linux/kernel.h> +#include <uapi/rdma/mlx4-abi.h> #include "fw.h" #include "icm.h" diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 5a26851b4ffd..5af50191c181 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -46,6 +46,7 @@ #include <linux/etherdevice.h> #include <net/devlink.h> +#include <uapi/rdma/mlx4-abi.h> #include <linux/mlx4/device.h> #include <linux/mlx4/doorbell.h> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c index 784e282803db..db3278cc052b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c @@ -70,7 +70,7 @@ static int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, return -ENOMEM; mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); - MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_PA); + MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_PA); MLX5_SET(mkc, mkc, lw, 1); MLX5_SET(mkc, mkc, lr, 1); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 0aab3afc6885..d68f51084f0c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -357,7 +357,7 @@ static int mlx5e_create_umr_mkey(struct mlx5_core_dev *mdev, MLX5_SET(mkc, mkc, umr_en, 1); MLX5_SET(mkc, mkc, lw, 1); MLX5_SET(mkc, mkc, lr, 1); - MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_MTT); + MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT); MLX5_SET(mkc, mkc, qpn, 0xffffff); MLX5_SET(mkc, mkc, pd, mdev->mlx5e_res.pdn); @@ -1212,10 +1212,13 @@ static void mlx5e_close_txqsq(struct mlx5e_txqsq *sq) { struct mlx5e_channel *c = sq->channel; struct mlx5_core_dev *mdev = c->mdev; + struct mlx5_rate_limit rl = {0}; mlx5e_destroy_sq(mdev, sq->sqn); - if (sq->rate_limit) - mlx5_rl_remove_rate(mdev, sq->rate_limit); + if (sq->rate_limit) { + rl.rate = sq->rate_limit; + mlx5_rl_remove_rate(mdev, &rl); + } mlx5e_free_txqsq_descs(sq); mlx5e_free_txqsq(sq); } @@ -1646,6 +1649,7 @@ static int mlx5e_set_sq_maxrate(struct net_device *dev, struct mlx5e_priv *priv = netdev_priv(dev); struct mlx5_core_dev *mdev = priv->mdev; struct mlx5e_modify_sq_param msp = {0}; + struct mlx5_rate_limit rl = {0}; u16 rl_index = 0; int err; @@ -1653,14 +1657,17 @@ static int mlx5e_set_sq_maxrate(struct net_device *dev, /* nothing to do */ return 0; - if (sq->rate_limit) + if (sq->rate_limit) { + rl.rate = sq->rate_limit; /* remove current rl index to free space to next ones */ - mlx5_rl_remove_rate(mdev, sq->rate_limit); + mlx5_rl_remove_rate(mdev, &rl); + } sq->rate_limit = 0; if (rate) { - err = mlx5_rl_add_rate(mdev, rate, &rl_index); + rl.rate = rate; + err = mlx5_rl_add_rate(mdev, &rl_index, &rl); if (err) { netdev_err(dev, "Failed configuring rate %u: %d\n", rate, err); @@ -1678,7 +1685,7 @@ static int mlx5e_set_sq_maxrate(struct net_device *dev, rate, err); /* remove the rate from the table */ if (rate) - mlx5_rl_remove_rate(mdev, rate); + mlx5_rl_remove_rate(mdev, &rl); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c index e6175f8ac0e4..de7fe087d6fe 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c @@ -232,7 +232,7 @@ static int mlx5_fpga_conn_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, return -ENOMEM; mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); - MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_PA); + MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_PA); MLX5_SET(mkc, mkc, lw, 1); MLX5_SET(mkc, mkc, lr, 1); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c index 70066975f1b5..afd9f4fa22f4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c @@ -195,6 +195,12 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev) if (MLX5_CAP_GEN(dev, qcam_reg)) mlx5_get_qcam_reg(dev); + if (MLX5_CAP_GEN(dev, device_memory)) { + err = mlx5_core_get_caps(dev, MLX5_CAP_DEV_MEM); + if (err) + return err; + } + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/rl.c b/drivers/net/ethernet/mellanox/mlx5/core/rl.c index d3c33e9eea72..bc86dffdc43c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/rl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/rl.c @@ -107,16 +107,16 @@ int mlx5_destroy_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy, * If the table is full, return NULL */ static struct mlx5_rl_entry *find_rl_entry(struct mlx5_rl_table *table, - u32 rate) + struct mlx5_rate_limit *rl) { struct mlx5_rl_entry *ret_entry = NULL; bool empty_found = false; int i; for (i = 0; i < table->max_size; i++) { - if (table->rl_entry[i].rate == rate) + if (mlx5_rl_are_equal(&table->rl_entry[i].rl, rl)) return &table->rl_entry[i]; - if (!empty_found && !table->rl_entry[i].rate) { + if (!empty_found && !table->rl_entry[i].rl.rate) { empty_found = true; ret_entry = &table->rl_entry[i]; } @@ -126,7 +126,8 @@ static struct mlx5_rl_entry *find_rl_entry(struct mlx5_rl_table *table, } static int mlx5_set_pp_rate_limit_cmd(struct mlx5_core_dev *dev, - u32 rate, u16 index) + u16 index, + struct mlx5_rate_limit *rl) { u32 in[MLX5_ST_SZ_DW(set_pp_rate_limit_in)] = {0}; u32 out[MLX5_ST_SZ_DW(set_pp_rate_limit_out)] = {0}; @@ -134,7 +135,9 @@ static int mlx5_set_pp_rate_limit_cmd(struct mlx5_core_dev *dev, MLX5_SET(set_pp_rate_limit_in, in, opcode, MLX5_CMD_OP_SET_PP_RATE_LIMIT); MLX5_SET(set_pp_rate_limit_in, in, rate_limit_index, index); - MLX5_SET(set_pp_rate_limit_in, in, rate_limit, rate); + MLX5_SET(set_pp_rate_limit_in, in, rate_limit, rl->rate); + MLX5_SET(set_pp_rate_limit_in, in, burst_upper_bound, rl->max_burst_sz); + MLX5_SET(set_pp_rate_limit_in, in, typical_packet_size, rl->typical_pkt_sz); return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); } @@ -146,7 +149,17 @@ bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate) } EXPORT_SYMBOL(mlx5_rl_is_in_range); -int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index) +bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0, + struct mlx5_rate_limit *rl_1) +{ + return ((rl_0->rate == rl_1->rate) && + (rl_0->max_burst_sz == rl_1->max_burst_sz) && + (rl_0->typical_pkt_sz == rl_1->typical_pkt_sz)); +} +EXPORT_SYMBOL(mlx5_rl_are_equal); + +int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index, + struct mlx5_rate_limit *rl) { struct mlx5_rl_table *table = &dev->priv.rl_table; struct mlx5_rl_entry *entry; @@ -154,14 +167,14 @@ int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index) mutex_lock(&table->rl_lock); - if (!rate || !mlx5_rl_is_in_range(dev, rate)) { + if (!rl->rate || !mlx5_rl_is_in_range(dev, rl->rate)) { mlx5_core_err(dev, "Invalid rate: %u, should be %u to %u\n", - rate, table->min_rate, table->max_rate); + rl->rate, table->min_rate, table->max_rate); err = -EINVAL; goto out; } - entry = find_rl_entry(table, rate); + entry = find_rl_entry(table, rl); if (!entry) { mlx5_core_err(dev, "Max number of %u rates reached\n", table->max_size); @@ -173,13 +186,15 @@ int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index) entry->refcount++; } else { /* new rate limit */ - err = mlx5_set_pp_rate_limit_cmd(dev, rate, entry->index); + err = mlx5_set_pp_rate_limit_cmd(dev, entry->index, rl); if (err) { - mlx5_core_err(dev, "Failed configuring rate: %u (%d)\n", - rate, err); + mlx5_core_err(dev, "Failed configuring rate limit(err %d): \ + rate %u, max_burst_sz %u, typical_pkt_sz %u\n", + err, rl->rate, rl->max_burst_sz, + rl->typical_pkt_sz); goto out; } - entry->rate = rate; + entry->rl = *rl; entry->refcount = 1; } *index = entry->index; @@ -190,27 +205,30 @@ out: } EXPORT_SYMBOL(mlx5_rl_add_rate); -void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate) +void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl) { struct mlx5_rl_table *table = &dev->priv.rl_table; struct mlx5_rl_entry *entry = NULL; + struct mlx5_rate_limit reset_rl = {0}; /* 0 is a reserved value for unlimited rate */ - if (rate == 0) + if (rl->rate == 0) return; mutex_lock(&table->rl_lock); - entry = find_rl_entry(table, rate); + entry = find_rl_entry(table, rl); if (!entry || !entry->refcount) { - mlx5_core_warn(dev, "Rate %u is not configured\n", rate); + mlx5_core_warn(dev, "Rate %u, max_burst_sz %u typical_pkt_sz %u \ + are not configured\n", + rl->rate, rl->max_burst_sz, rl->typical_pkt_sz); goto out; } entry->refcount--; if (!entry->refcount) { /* need to remove rate */ - mlx5_set_pp_rate_limit_cmd(dev, 0, entry->index); - entry->rate = 0; + mlx5_set_pp_rate_limit_cmd(dev, entry->index, &reset_rl); + entry->rl = reset_rl; } out: @@ -257,13 +275,14 @@ int mlx5_init_rl_table(struct mlx5_core_dev *dev) void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev) { struct mlx5_rl_table *table = &dev->priv.rl_table; + struct mlx5_rate_limit rl = {0}; int i; /* Clear all configured rates */ for (i = 0; i < table->max_size; i++) - if (table->rl_entry[i].rate) - mlx5_set_pp_rate_limit_cmd(dev, 0, - table->rl_entry[i].index); + if (table->rl_entry[i].rl.rate) + mlx5_set_pp_rate_limit_cmd(dev, table->rl_entry[i].index, + &rl); kfree(dev->priv.rl_table.rl_entry); } diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index a9b5fed8f7c6..81d0799b6091 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -257,10 +257,6 @@ enum { }; enum { - MLX4_USER_DEV_CAP_LARGE_CQE = 1L << 0 -}; - -enum { MLX4_FUNC_CAP_64B_EQE_CQE = 1L << 0, MLX4_FUNC_CAP_EQE_CQE_STRIDE = 1L << 1, MLX4_FUNC_CAP_DMFS_A0_STATIC = 1L << 2 diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 12758595459b..2bc27f8c5b87 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -1017,6 +1017,8 @@ enum mlx5_cap_type { MLX5_CAP_VECTOR_CALC, MLX5_CAP_QOS, MLX5_CAP_DEBUG, + MLX5_CAP_RESERVED_14, + MLX5_CAP_DEV_MEM, /* NUM OF CAP Types */ MLX5_CAP_NUM }; @@ -1168,6 +1170,12 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP64_FPGA(mdev, cap) \ MLX5_GET64(fpga_cap, (mdev)->caps.fpga, cap) +#define MLX5_CAP_DEV_MEM(mdev, cap)\ + MLX5_GET(device_mem_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_MEM], cap) + +#define MLX5_CAP64_DEV_MEM(mdev, cap)\ + MLX5_GET64(device_mem_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_MEM], cap) + enum { MLX5_CMD_STAT_OK = 0x0, MLX5_CMD_STAT_INT_ERR = 0x1, @@ -1211,8 +1219,8 @@ static inline u16 mlx5_to_sw_pkey_sz(int pkey_sz) return MLX5_MIN_PKEY_TABLE_SIZE << pkey_sz; } -#define MLX5_BY_PASS_NUM_REGULAR_PRIOS 8 -#define MLX5_BY_PASS_NUM_DONT_TRAP_PRIOS 8 +#define MLX5_BY_PASS_NUM_REGULAR_PRIOS 16 +#define MLX5_BY_PASS_NUM_DONT_TRAP_PRIOS 16 #define MLX5_BY_PASS_NUM_MULTICAST_PRIOS 1 #define MLX5_BY_PASS_NUM_PRIOS (MLX5_BY_PASS_NUM_REGULAR_PRIOS +\ MLX5_BY_PASS_NUM_DONT_TRAP_PRIOS +\ diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index cded85ab6fe4..767d193c269a 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -591,8 +591,14 @@ struct mlx5_eswitch; struct mlx5_lag; struct mlx5_pagefault; +struct mlx5_rate_limit { + u32 rate; + u32 max_burst_sz; + u16 typical_pkt_sz; +}; + struct mlx5_rl_entry { - u32 rate; + struct mlx5_rate_limit rl; u16 index; u16 refcount; }; @@ -1107,9 +1113,12 @@ int mlx5_core_page_fault_resume(struct mlx5_core_dev *dev, u32 token, int mlx5_init_rl_table(struct mlx5_core_dev *dev); void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev); -int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u16 *index); -void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate); +int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u16 *index, + struct mlx5_rate_limit *rl); +void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, struct mlx5_rate_limit *rl); bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate); +bool mlx5_rl_are_equal(struct mlx5_rate_limit *rl_0, + struct mlx5_rate_limit *rl_1); int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg, bool map_wc, bool fast_path); void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg); diff --git a/include/linux/mlx5/fs_helpers.h b/include/linux/mlx5/fs_helpers.h index 7b476bbae731..9db21cd0e92c 100644 --- a/include/linux/mlx5/fs_helpers.h +++ b/include/linux/mlx5/fs_helpers.h @@ -38,6 +38,14 @@ #define MLX5_FS_IPV4_VERSION 4 #define MLX5_FS_IPV6_VERSION 6 +static inline bool mlx5_fs_is_ipsec_flow(const u32 *match_c) +{ + void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, + misc_parameters); + + return MLX5_GET(fte_match_set_misc, misc_params_c, outer_esp_spi); +} + static inline bool _mlx5_fs_is_outer_ipproto_flow(const u32 *match_c, const u32 *match_v, u8 match) { diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index d25011f84815..1aad455538f4 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -92,6 +92,8 @@ enum { MLX5_CMD_OP_DESTROY_MKEY = 0x202, MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS = 0x203, MLX5_CMD_OP_PAGE_FAULT_RESUME = 0x204, + MLX5_CMD_OP_ALLOC_MEMIC = 0x205, + MLX5_CMD_OP_DEALLOC_MEMIC = 0x206, MLX5_CMD_OP_CREATE_EQ = 0x301, MLX5_CMD_OP_DESTROY_EQ = 0x302, MLX5_CMD_OP_QUERY_EQ = 0x303, @@ -575,7 +577,10 @@ struct mlx5_ifc_qos_cap_bits { u8 esw_scheduling[0x1]; u8 esw_bw_share[0x1]; u8 esw_rate_limit[0x1]; - u8 reserved_at_4[0x1c]; + u8 reserved_at_4[0x1]; + u8 packet_pacing_burst_bound[0x1]; + u8 packet_pacing_typical_size[0x1]; + u8 reserved_at_7[0x19]; u8 reserved_at_20[0x20]; @@ -669,6 +674,24 @@ struct mlx5_ifc_roce_cap_bits { u8 reserved_at_100[0x700]; }; +struct mlx5_ifc_device_mem_cap_bits { + u8 memic[0x1]; + u8 reserved_at_1[0x1f]; + + u8 reserved_at_20[0xb]; + u8 log_min_memic_alloc_size[0x5]; + u8 reserved_at_30[0x8]; + u8 log_max_memic_addr_alignment[0x8]; + + u8 memic_bar_start_addr[0x40]; + + u8 memic_bar_size[0x20]; + + u8 max_memic_size[0x20]; + + u8 reserved_at_c0[0x740]; +}; + enum { MLX5_ATOMIC_CAPS_ATOMIC_SIZE_QP_1_BYTE = 0x0, MLX5_ATOMIC_CAPS_ATOMIC_SIZE_QP_2_BYTES = 0x2, @@ -883,7 +906,7 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 ets[0x1]; u8 nic_flow_table[0x1]; u8 eswitch_flow_table[0x1]; - u8 early_vf_enable[0x1]; + u8 device_memory[0x1]; u8 mcam_reg[0x1]; u8 pcam_reg[0x1]; u8 local_ca_ack_delay[0x5]; @@ -927,7 +950,11 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_202[0x1]; u8 ipoib_enhanced_offloads[0x1]; u8 ipoib_basic_offloads[0x1]; - u8 reserved_at_205[0x5]; + u8 reserved_at_205[0x1]; + u8 repeated_block_disabled[0x1]; + u8 umr_modify_entity_size_disabled[0x1]; + u8 umr_modify_atomic_disabled[0x1]; + u8 umr_indirect_mkey_disabled[0x1]; u8 umr_fence[0x2]; u8 reserved_at_20c[0x3]; u8 drain_sigerr[0x1]; @@ -2748,12 +2775,17 @@ enum { MLX5_MKC_ACCESS_MODE_MTT = 0x1, MLX5_MKC_ACCESS_MODE_KLMS = 0x2, MLX5_MKC_ACCESS_MODE_KSM = 0x3, + MLX5_MKC_ACCESS_MODE_MEMIC = 0x5, }; struct mlx5_ifc_mkc_bits { u8 reserved_at_0[0x1]; u8 free[0x1]; - u8 reserved_at_2[0xd]; + u8 reserved_at_2[0x1]; + u8 access_mode_4_2[0x3]; + u8 reserved_at_6[0x7]; + u8 relaxed_ordering_write[0x1]; + u8 reserved_at_e[0x1]; u8 small_fence_on_rdma_read_response[0x1]; u8 umr_en[0x1]; u8 a[0x1]; @@ -2761,7 +2793,7 @@ struct mlx5_ifc_mkc_bits { u8 rr[0x1]; u8 lw[0x1]; u8 lr[0x1]; - u8 access_mode[0x2]; + u8 access_mode_1_0[0x2]; u8 reserved_at_18[0x8]; u8 qpn[0x18]; @@ -7397,7 +7429,12 @@ struct mlx5_ifc_set_pp_rate_limit_in_bits { u8 rate_limit[0x20]; - u8 reserved_at_a0[0x160]; + u8 burst_upper_bound[0x20]; + + u8 reserved_at_c0[0x10]; + u8 typical_packet_size[0x10]; + + u8 reserved_at_e0[0x120]; }; struct mlx5_ifc_access_register_out_bits { @@ -8951,4 +8988,57 @@ struct mlx5_ifc_destroy_vport_lag_in_bits { u8 reserved_at_40[0x40]; }; +struct mlx5_ifc_alloc_memic_in_bits { + u8 opcode[0x10]; + u8 reserved_at_10[0x10]; + + u8 reserved_at_20[0x10]; + u8 op_mod[0x10]; + + u8 reserved_at_30[0x20]; + + u8 reserved_at_40[0x18]; + u8 log_memic_addr_alignment[0x8]; + + u8 range_start_addr[0x40]; + + u8 range_size[0x20]; + + u8 memic_size[0x20]; +}; + +struct mlx5_ifc_alloc_memic_out_bits { + u8 status[0x8]; + u8 reserved_at_8[0x18]; + + u8 syndrome[0x20]; + + u8 memic_start_addr[0x40]; +}; + +struct mlx5_ifc_dealloc_memic_in_bits { + u8 opcode[0x10]; + u8 reserved_at_10[0x10]; + + u8 reserved_at_20[0x10]; + u8 op_mod[0x10]; + + u8 reserved_at_40[0x40]; + + u8 memic_start_addr[0x40]; + + u8 memic_size[0x20]; + + u8 reserved_at_e0[0x20]; +}; + +struct mlx5_ifc_dealloc_memic_out_bits { + u8 status[0x8]; + u8 reserved_at_8[0x18]; + + u8 syndrome[0x20]; + + u8 reserved_at_40[0x40]; +}; + #endif /* MLX5_IFC_H */ diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index 415e09960017..a08cc7278980 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -119,10 +119,6 @@ int rdma_resolve_ip(struct rdma_addr_client *client, struct rdma_dev_addr *addr, void *context), void *context); -int rdma_resolve_ip_route(struct sockaddr *src_addr, - const struct sockaddr *dst_addr, - struct rdma_dev_addr *addr); - void rdma_addr_cancel(struct rdma_dev_addr *addr); void rdma_copy_addr(struct rdma_dev_addr *dev_addr, @@ -133,11 +129,6 @@ int rdma_addr_size(struct sockaddr *addr); int rdma_addr_size_in6(struct sockaddr_in6 *addr); int rdma_addr_size_kss(struct __kernel_sockaddr_storage *addr); -int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid, - const union ib_gid *dgid, - u8 *dmac, const struct net_device *ndev, - int *hoplimit); - static inline u16 ib_addr_get_pkey(struct rdma_dev_addr *dev_addr) { return ((u16)dev_addr->broadcast[8] << 8) | (u16)dev_addr->broadcast[9]; diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h index 385ec88ee9e5..eb49cc8d1f95 100644 --- a/include/rdma/ib_cache.h +++ b/include/rdma/ib_cache.h @@ -55,20 +55,6 @@ int ib_get_cached_gid(struct ib_device *device, union ib_gid *gid, struct ib_gid_attr *attr); -/** - * ib_find_cached_gid - Returns the port number and GID table index where - * a specified GID value occurs. - * @device: The device to query. - * @gid: The GID value to search for. - * @gid_type: The GID type to search for. - * @ndev: In RoCE, the net device of the device. NULL means ignore. - * @port_num: The port number of the device where the GID value was found. - * @index: The index into the cached GID table where the GID was found. This - * parameter may be NULL. - * - * ib_find_cached_gid() searches for the specified GID value in - * the local software cache. - */ int ib_find_cached_gid(struct ib_device *device, const union ib_gid *gid, enum ib_gid_type gid_type, @@ -76,21 +62,6 @@ int ib_find_cached_gid(struct ib_device *device, u8 *port_num, u16 *index); -/** - * ib_find_cached_gid_by_port - Returns the GID table index where a specified - * GID value occurs - * @device: The device to query. - * @gid: The GID value to search for. - * @gid_type: The GID type to search for. - * @port_num: The port number of the device where the GID value sould be - * searched. - * @ndev: In RoCE, the net device of the device. Null means ignore. - * @index: The index into the cached GID table where the GID was found. This - * parameter may be NULL. - * - * ib_find_cached_gid() searches for the specified GID value in - * the local software cache. - */ int ib_find_cached_gid_by_port(struct ib_device *device, const union ib_gid *gid, enum ib_gid_type gid_type, diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index 811cfcfcbe3d..bacb144f7780 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -163,7 +163,15 @@ struct sa_path_rec_ib { u8 raw_traffic; }; +/** + * struct sa_path_rec_roce - RoCE specific portion of the path record entry + * @route_resolved: When set, it indicates that this route is already + * resolved for this path record entry. + * @dmac: Destination mac address for the given DGID entry + * of the path record entry. + */ struct sa_path_rec_roce { + bool route_resolved; u8 dmac[ETH_ALEN]; /* ignored in IB */ int ifindex; @@ -590,6 +598,11 @@ static inline bool sa_path_is_roce(struct sa_path_rec *rec) (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2)); } +static inline bool sa_path_is_opa(struct sa_path_rec *rec) +{ + return (rec->rec_type == SA_PATH_REC_TYPE_OPA); +} + static inline void sa_path_set_slid(struct sa_path_rec *rec, u32 slid) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 6eb174753acf..9fc8a825aa28 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -64,6 +64,8 @@ #include <linux/cgroup_rdma.h> #include <uapi/rdma/ib_user_verbs.h> #include <rdma/restrack.h> +#include <uapi/rdma/rdma_user_ioctl.h> +#include <uapi/rdma/ib_user_ioctl_verbs.h> #define IB_FW_VERSION_NAME_MAX ETHTOOL_FWVERS_LEN @@ -90,8 +92,11 @@ enum ib_gid_type { #define ROCE_V2_UDP_DPORT 4791 struct ib_gid_attr { - enum ib_gid_type gid_type; struct net_device *ndev; + struct ib_device *device; + enum ib_gid_type gid_type; + u16 index; + u8 port_num; }; enum rdma_node_type { @@ -316,6 +321,18 @@ struct ib_cq_caps { u16 max_cq_moderation_period; }; +struct ib_dm_mr_attr { + u64 length; + u64 offset; + u32 access_flags; +}; + +struct ib_dm_alloc_attr { + u64 length; + u32 alignment; + u32 flags; +}; + struct ib_device_attr { u64 fw_ver; __be64 sys_image_guid; @@ -367,6 +384,7 @@ struct ib_device_attr { u32 raw_packet_caps; /* Use ib_raw_packet_caps enum */ struct ib_tm_caps tm_caps; struct ib_cq_caps cq_caps; + u64 max_dm_size; }; enum ib_mtu { @@ -469,6 +487,9 @@ enum ib_port_speed { /** * struct rdma_hw_stats + * @lock - Mutex to protect parallel write access to lifespan and values + * of counters, which are 64bits and not guaranteeed to be written + * atomicaly on 32bits systems. * @timestamp - Used by the core code to track when the last update was * @lifespan - Used by the core code to determine how old the counters * should be before being updated again. Stored in jiffies, defaults @@ -484,6 +505,7 @@ enum ib_port_speed { * filled in by the drivers get_stats routine */ struct rdma_hw_stats { + struct mutex lock; /* Protect lifespan and values[] */ unsigned long timestamp; unsigned long lifespan; const char * const *names; @@ -1755,6 +1777,14 @@ struct ib_qp { struct rdma_restrack_entry res; }; +struct ib_dm { + struct ib_device *device; + u32 length; + u32 flags; + struct ib_uobject *uobject; + atomic_t usecnt; +}; + struct ib_mr { struct ib_device *device; struct ib_pd *pd; @@ -1768,6 +1798,13 @@ struct ib_mr { struct ib_uobject *uobject; /* user */ struct list_head qp_entry; /* FR */ }; + + struct ib_dm *dm; + + /* + * Implementation details of the RDMA core, don't use in drivers: + */ + struct rdma_restrack_entry res; }; struct ib_mw { @@ -1810,6 +1847,7 @@ enum ib_flow_spec_type { /* L3 header*/ IB_FLOW_SPEC_IPV4 = 0x30, IB_FLOW_SPEC_IPV6 = 0x31, + IB_FLOW_SPEC_ESP = 0x34, /* L4 headers*/ IB_FLOW_SPEC_TCP = 0x40, IB_FLOW_SPEC_UDP = 0x41, @@ -1818,6 +1856,7 @@ enum ib_flow_spec_type { /* Actions */ IB_FLOW_SPEC_ACTION_TAG = 0x1000, IB_FLOW_SPEC_ACTION_DROP = 0x1001, + IB_FLOW_SPEC_ACTION_HANDLE = 0x1002, }; #define IB_FLOW_SPEC_LAYER_MASK 0xF0 #define IB_FLOW_SPEC_SUPPORT_LAYERS 8 @@ -1835,7 +1874,8 @@ enum ib_flow_domain { enum ib_flow_flags { IB_FLOW_ATTR_FLAGS_DONT_TRAP = 1UL << 1, /* Continue match, no steal */ - IB_FLOW_ATTR_FLAGS_RESERVED = 1UL << 2 /* Must be last */ + IB_FLOW_ATTR_FLAGS_EGRESS = 1UL << 2, /* Egress flow */ + IB_FLOW_ATTR_FLAGS_RESERVED = 1UL << 3 /* Must be last */ }; struct ib_flow_eth_filter { @@ -1940,6 +1980,20 @@ struct ib_flow_spec_tunnel { struct ib_flow_tunnel_filter mask; }; +struct ib_flow_esp_filter { + __be32 spi; + __be32 seq; + /* Must be last */ + u8 real_sz[0]; +}; + +struct ib_flow_spec_esp { + u32 type; + u16 size; + struct ib_flow_esp_filter val; + struct ib_flow_esp_filter mask; +}; + struct ib_flow_spec_action_tag { enum ib_flow_spec_type type; u16 size; @@ -1951,6 +2005,12 @@ struct ib_flow_spec_action_drop { u16 size; }; +struct ib_flow_spec_action_handle { + enum ib_flow_spec_type type; + u16 size; + struct ib_flow_action *act; +}; + union ib_flow_spec { struct { u32 type; @@ -1962,8 +2022,10 @@ union ib_flow_spec { struct ib_flow_spec_tcp_udp tcp_udp; struct ib_flow_spec_ipv6 ipv6; struct ib_flow_spec_tunnel tunnel; + struct ib_flow_spec_esp esp; struct ib_flow_spec_action_tag flow_tag; struct ib_flow_spec_action_drop drop; + struct ib_flow_spec_action_handle action; }; struct ib_flow_attr { @@ -1984,6 +2046,64 @@ struct ib_flow { struct ib_uobject *uobject; }; +enum ib_flow_action_type { + IB_FLOW_ACTION_UNSPECIFIED, + IB_FLOW_ACTION_ESP = 1, +}; + +struct ib_flow_action_attrs_esp_keymats { + enum ib_uverbs_flow_action_esp_keymat protocol; + union { + struct ib_uverbs_flow_action_esp_keymat_aes_gcm aes_gcm; + } keymat; +}; + +struct ib_flow_action_attrs_esp_replays { + enum ib_uverbs_flow_action_esp_replay protocol; + union { + struct ib_uverbs_flow_action_esp_replay_bmp bmp; + } replay; +}; + +enum ib_flow_action_attrs_esp_flags { + /* All user-space flags at the top: Use enum ib_uverbs_flow_action_esp_flags + * This is done in order to share the same flags between user-space and + * kernel and spare an unnecessary translation. + */ + + /* Kernel flags */ + IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED = 1ULL << 32, + IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS = 1ULL << 33, +}; + +struct ib_flow_spec_list { + struct ib_flow_spec_list *next; + union ib_flow_spec spec; +}; + +struct ib_flow_action_attrs_esp { + struct ib_flow_action_attrs_esp_keymats *keymat; + struct ib_flow_action_attrs_esp_replays *replay; + struct ib_flow_spec_list *encap; + /* Used only if IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED is enabled. + * Value of 0 is a valid value. + */ + u32 esn; + u32 spi; + u32 seq; + u32 tfc_pad; + /* Use enum ib_flow_action_attrs_esp_flags */ + u64 flags; + u64 hard_limit_pkts; +}; + +struct ib_flow_action { + struct ib_device *device; + struct ib_uobject *uobject; + enum ib_flow_action_type type; + atomic_t usecnt; +}; + struct ib_mad_hdr; struct ib_grh; @@ -2060,6 +2180,8 @@ struct ib_port_pkey_list { struct list_head pkey_list; }; +struct uverbs_attr_bundle; + struct ib_device { /* Do not access @dma_device directly from ULP nor from HW drivers. */ struct device *dma_device; @@ -2127,37 +2249,36 @@ struct ib_device { */ struct net_device *(*get_netdev)(struct ib_device *device, u8 port_num); + /* query_gid should be return GID value for @device, when @port_num + * link layer is either IB or iWarp. It is no-op if @port_num port + * is RoCE link layer. + */ int (*query_gid)(struct ib_device *device, u8 port_num, int index, union ib_gid *gid); - /* When calling add_gid, the HW vendor's driver should - * add the gid of device @device at gid index @index of - * port @port_num to be @gid. Meta-info of that gid (for example, - * the network device related to this gid is available - * at @attr. @context allows the HW vendor driver to store extra - * information together with a GID entry. The HW vendor may allocate - * memory to contain this information and store it in @context when a - * new GID entry is written to. Params are consistent until the next - * call of add_gid or delete_gid. The function should return 0 on + /* When calling add_gid, the HW vendor's driver should add the gid + * of device of port at gid index available at @attr. Meta-info of + * that gid (for example, the network device related to this gid) is + * available at @attr. @context allows the HW vendor driver to store + * extra information together with a GID entry. The HW vendor driver may + * allocate memory to contain this information and store it in @context + * when a new GID entry is written to. Params are consistent until the + * next call of add_gid or delete_gid. The function should return 0 on * success or error otherwise. The function could be called - * concurrently for different ports. This function is only called - * when roce_gid_table is used. + * concurrently for different ports. This function is only called when + * roce_gid_table is used. */ - int (*add_gid)(struct ib_device *device, - u8 port_num, - unsigned int index, - const union ib_gid *gid, + int (*add_gid)(const union ib_gid *gid, const struct ib_gid_attr *attr, void **context); /* When calling del_gid, the HW vendor's driver should delete the - * gid of device @device at gid index @index of port @port_num. + * gid of device @device at gid index gid_index of port port_num + * available in @attr. * Upon the deletion of a GID entry, the HW vendor must free any * allocated memory. The caller will clear @context afterwards. * This function is only called when roce_gid_table is used. */ - int (*del_gid)(struct ib_device *device, - u8 port_num, - unsigned int index, + int (*del_gid)(const struct ib_gid_attr *attr, void **context); int (*query_pkey)(struct ib_device *device, u8 port_num, u16 index, u16 *pkey); @@ -2315,6 +2436,21 @@ struct ib_device { struct ib_rwq_ind_table_init_attr *init_attr, struct ib_udata *udata); int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table); + struct ib_flow_action * (*create_flow_action_esp)(struct ib_device *device, + const struct ib_flow_action_attrs_esp *attr, + struct uverbs_attr_bundle *attrs); + int (*destroy_flow_action)(struct ib_flow_action *action); + int (*modify_flow_action_esp)(struct ib_flow_action *action, + const struct ib_flow_action_attrs_esp *attr, + struct uverbs_attr_bundle *attrs); + struct ib_dm * (*alloc_dm)(struct ib_device *device, + struct ib_ucontext *context, + struct ib_dm_alloc_attr *attr, + struct uverbs_attr_bundle *attrs); + int (*dealloc_dm)(struct ib_dm *dm); + struct ib_mr * (*reg_dm_mr)(struct ib_pd *pd, struct ib_dm *dm, + struct ib_dm_mr_attr *attr, + struct uverbs_attr_bundle *attrs); /** * rdma netdev operation * @@ -2376,6 +2512,7 @@ struct ib_device { int comp_vector); struct uverbs_root_spec *specs_root; + enum rdma_driver_id driver_id; }; struct ib_client { @@ -2435,11 +2572,9 @@ static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0; } -static inline bool ib_is_udata_cleared(struct ib_udata *udata, - size_t offset, - size_t len) +static inline bool ib_is_buffer_cleared(const void __user *p, + size_t len) { - const void __user *p = udata->inbuf + offset; bool ret; u8 *buf; @@ -2455,6 +2590,13 @@ static inline bool ib_is_udata_cleared(struct ib_udata *udata, return ret; } +static inline bool ib_is_udata_cleared(struct ib_udata *udata, + size_t offset, + size_t len) +{ + return ib_is_buffer_cleared(udata->inbuf + offset, len); +} + /** * ib_modify_qp_is_ok - Check that the supplied attribute mask * contains all required attributes and no attributes not allowed for @@ -2471,9 +2613,9 @@ static inline bool ib_is_udata_cleared(struct ib_udata *udata, * transition from cur_state to next_state is allowed by the IB spec, * and that the attribute mask supplied is allowed for the transition. */ -int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, - enum ib_qp_type type, enum ib_qp_attr_mask mask, - enum rdma_link_layer ll); +bool ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, + enum ib_qp_type type, enum ib_qp_attr_mask mask, + enum rdma_link_layer ll); void ib_register_event_handler(struct ib_event_handler *event_handler); void ib_unregister_event_handler(struct ib_event_handler *event_handler); @@ -2848,7 +2990,7 @@ int ib_modify_port(struct ib_device *device, struct ib_port_modify *port_modify); int ib_find_gid(struct ib_device *device, union ib_gid *gid, - struct net_device *ndev, u8 *port_num, u16 *index); + u8 *port_num, u16 *index); int ib_find_pkey(struct ib_device *device, u8 port_num, u16 pkey, u16 *index); @@ -3217,18 +3359,6 @@ static inline int ib_poll_cq(struct ib_cq *cq, int num_entries, } /** - * ib_peek_cq - Returns the number of unreaped completions currently - * on the specified CQ. - * @cq: The CQ to peek. - * @wc_cnt: A minimum number of unreaped completions to check for. - * - * If the number of unreaped completions is greater than or equal to wc_cnt, - * this function returns wc_cnt, otherwise, it returns the actual number of - * unreaped completions. - */ -int ib_peek_cq(struct ib_cq *cq, int wc_cnt); - -/** * ib_req_notify_cq - Request completion notification on a CQ. * @cq: The CQ to generate an event for. * @flags: diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h index 6538a5cc27b6..690934733ba7 100644 --- a/include/rdma/rdma_cm.h +++ b/include/rdma/rdma_cm.h @@ -38,6 +38,7 @@ #include <linux/in6.h> #include <rdma/ib_addr.h> #include <rdma/ib_sa.h> +#include <uapi/rdma/rdma_user_cm.h> /* * Upon receiving a device removal event, users must destroy the associated @@ -64,14 +65,6 @@ enum rdma_cm_event_type { const char *__attribute_const__ rdma_event_msg(enum rdma_cm_event_type event); -enum rdma_port_space { - RDMA_PS_SDP = 0x0001, - RDMA_PS_IPOIB = 0x0002, - RDMA_PS_IB = 0x013F, - RDMA_PS_TCP = 0x0106, - RDMA_PS_UDP = 0x0111, -}; - #define RDMA_IB_IP_PS_MASK 0xFFFFFFFFFFFF0000ULL #define RDMA_IB_IP_PS_TCP 0x0000000001060000ULL #define RDMA_IB_IP_PS_UDP 0x0000000001110000ULL @@ -120,20 +113,6 @@ struct rdma_cm_event { } param; }; -enum rdma_cm_state { - RDMA_CM_IDLE, - RDMA_CM_ADDR_QUERY, - RDMA_CM_ADDR_RESOLVED, - RDMA_CM_ROUTE_QUERY, - RDMA_CM_ROUTE_RESOLVED, - RDMA_CM_CONNECT, - RDMA_CM_DISCONNECT, - RDMA_CM_ADDR_BOUND, - RDMA_CM_LISTEN, - RDMA_CM_DEVICE_REMOVAL, - RDMA_CM_DESTROYING -}; - struct rdma_cm_id; /** @@ -152,11 +131,17 @@ struct rdma_cm_id { struct ib_qp *qp; rdma_cm_event_handler event_handler; struct rdma_route route; - enum rdma_port_space ps; + enum rdma_ucm_port_space ps; enum ib_qp_type qp_type; u8 port_num; }; +struct rdma_cm_id *__rdma_create_id(struct net *net, + rdma_cm_event_handler event_handler, + void *context, enum rdma_ucm_port_space ps, + enum ib_qp_type qp_type, + const char *caller); + /** * rdma_create_id - Create an RDMA identifier. * @@ -169,10 +154,9 @@ struct rdma_cm_id { * * The id holds a reference on the network namespace until it is destroyed. */ -struct rdma_cm_id *rdma_create_id(struct net *net, - rdma_cm_event_handler event_handler, - void *context, enum rdma_port_space ps, - enum ib_qp_type qp_type); +#define rdma_create_id(net, event_handler, context, ps, qp_type) \ + __rdma_create_id((net), (event_handler), (context), (ps), (qp_type), \ + KBUILD_MODNAME) /** * rdma_destroy_id - Destroys an RDMA identifier. @@ -284,6 +268,9 @@ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param); */ int rdma_listen(struct rdma_cm_id *id, int backlog); +int __rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param, + const char *caller); + /** * rdma_accept - Called to accept a connection request or response. * @id: Connection identifier associated with the request. @@ -299,7 +286,8 @@ int rdma_listen(struct rdma_cm_id *id, int backlog); * state of the qp associated with the id is modified to error, such that any * previously posted receive buffers would be flushed. */ -int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param); +#define rdma_accept(id, conn_param) \ + __rdma_accept((id), (conn_param), KBUILD_MODNAME) /** * rdma_notify - Notifies the RDMA CM of an asynchronous event that has diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 4118324a0310..3f4c187e435d 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -538,7 +538,7 @@ static inline void rvt_mod_retry_timer(struct rvt_qp *qp) struct rvt_dev_info *rvt_alloc_device(size_t size, int nports); void rvt_dealloc_device(struct rvt_dev_info *rdi); -int rvt_register_device(struct rvt_dev_info *rvd); +int rvt_register_device(struct rvt_dev_info *rvd, u32 driver_id); void rvt_unregister_device(struct rvt_dev_info *rvd); int rvt_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr); int rvt_init_port(struct rvt_dev_info *rdi, struct rvt_ibport *port, diff --git a/include/rdma/restrack.h b/include/rdma/restrack.h index 2cdf8dcf4bdc..f3b3e3576f6a 100644 --- a/include/rdma/restrack.h +++ b/include/rdma/restrack.h @@ -11,6 +11,7 @@ #include <linux/sched.h> #include <linux/kref.h> #include <linux/completion.h> +#include <linux/sched/task.h> /** * enum rdma_restrack_type - HW objects to track @@ -29,6 +30,14 @@ enum rdma_restrack_type { */ RDMA_RESTRACK_QP, /** + * @RDMA_RESTRACK_CM_ID: Connection Manager ID (CM_ID) + */ + RDMA_RESTRACK_CM_ID, + /** + * @RDMA_RESTRACK_MR: Memory Region (MR) + */ + RDMA_RESTRACK_MR, + /** * @RDMA_RESTRACK_MAX: Last entry, used for array dclarations */ RDMA_RESTRACK_MAX @@ -146,8 +155,23 @@ static inline bool rdma_is_kernel_res(struct rdma_restrack_entry *res) int __must_check rdma_restrack_get(struct rdma_restrack_entry *res); /** - * rdma_restrack_put() - relase resource + * rdma_restrack_put() - release resource * @res: resource entry */ int rdma_restrack_put(struct rdma_restrack_entry *res); + +/** + * rdma_restrack_set_task() - set the task for this resource + * @res: resource entry + * @task: task struct + */ +static inline void rdma_restrack_set_task(struct rdma_restrack_entry *res, + struct task_struct *task) +{ + if (res->task) + put_task_struct(res->task); + get_task_struct(task); + res->task = task; +} + #endif /* _RDMA_RESTRACK_H_ */ diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h index 38287d9d23a1..4a4201d997a7 100644 --- a/include/rdma/uverbs_ioctl.h +++ b/include/rdma/uverbs_ioctl.h @@ -37,6 +37,7 @@ #include <linux/uaccess.h> #include <rdma/rdma_user_ioctl.h> #include <rdma/ib_user_ioctl_verbs.h> +#include <rdma/ib_user_ioctl_cmds.h> /* * ======================================= @@ -50,6 +51,7 @@ enum uverbs_attr_type { UVERBS_ATTR_TYPE_PTR_OUT, UVERBS_ATTR_TYPE_IDR, UVERBS_ATTR_TYPE_FD, + UVERBS_ATTR_TYPE_ENUM_IN, }; enum uverbs_obj_access { @@ -61,15 +63,32 @@ enum uverbs_obj_access { enum { UVERBS_ATTR_SPEC_F_MANDATORY = 1U << 0, - /* Support extending attributes by length */ - UVERBS_ATTR_SPEC_F_MIN_SZ = 1U << 1, + /* Support extending attributes by length, validate all unknown size == zero */ + UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO = 1U << 1, }; +/* Specification of a single attribute inside the ioctl message */ struct uverbs_attr_spec { - enum uverbs_attr_type type; union { - u16 len; + /* Header shared by all following union members - to reduce space. */ struct { + enum uverbs_attr_type type; + /* Combination of bits from enum UVERBS_ATTR_SPEC_F_XXXX */ + u8 flags; + }; + struct { + enum uverbs_attr_type type; + /* Combination of bits from enum UVERBS_ATTR_SPEC_F_XXXX */ + u8 flags; + /* Current known size to kernel */ + u16 len; + /* User isn't allowed to provide something < min_len */ + u16 min_len; + } ptr; + struct { + enum uverbs_attr_type type; + /* Combination of bits from enum UVERBS_ATTR_SPEC_F_XXXX */ + u8 flags; /* * higher bits mean the namespace and lower bits mean * the type id within the namespace. @@ -77,9 +96,19 @@ struct uverbs_attr_spec { u16 obj_type; u8 access; } obj; + struct { + enum uverbs_attr_type type; + /* Combination of bits from enum UVERBS_ATTR_SPEC_F_XXXX */ + u8 flags; + u8 num_elems; + /* + * The enum attribute can select one of the attributes + * contained in the ids array. Currently only PTR_IN + * attributes are supported in the ids array. + */ + const struct uverbs_attr_spec *ids; + } enum_def; }; - /* Combination of bits from enum UVERBS_ATTR_SPEC_F_XXXX */ - u8 flags; }; struct uverbs_attr_spec_hash { @@ -164,30 +193,45 @@ struct uverbs_object_tree_def { }; #define UA_FLAGS(_flags) .flags = _flags -#define __UVERBS_ATTR0(_id, _len, _type, ...) \ +#define __UVERBS_ATTR0(_id, _type, _fld, _attr, ...) \ ((const struct uverbs_attr_def) \ - {.id = _id, .attr = {.type = _type, {.len = _len}, .flags = 0, } }) -#define __UVERBS_ATTR1(_id, _len, _type, _flags) \ + {.id = _id, .attr = {{._fld = {.type = _type, _attr, .flags = 0, } }, } }) +#define __UVERBS_ATTR1(_id, _type, _fld, _attr, _extra1, ...) \ ((const struct uverbs_attr_def) \ - {.id = _id, .attr = {.type = _type, {.len = _len}, _flags, } }) -#define __UVERBS_ATTR(_id, _len, _type, _flags, _n, ...) \ - __UVERBS_ATTR##_n(_id, _len, _type, _flags) + {.id = _id, .attr = {{._fld = {.type = _type, _attr, _extra1 } },} }) +#define __UVERBS_ATTR2(_id, _type, _fld, _attr, _extra1, _extra2) \ + ((const struct uverbs_attr_def) \ + {.id = _id, .attr = {{._fld = {.type = _type, _attr, _extra1, _extra2 } },} }) +#define __UVERBS_ATTR(_id, _type, _fld, _attr, _extra1, _extra2, _n, ...) \ + __UVERBS_ATTR##_n(_id, _type, _fld, _attr, _extra1, _extra2) + +#define UVERBS_ATTR_TYPE(_type) \ + .min_len = sizeof(_type), .len = sizeof(_type) +#define UVERBS_ATTR_STRUCT(_type, _last) \ + .min_len = ((uintptr_t)(&((_type *)0)->_last + 1)), .len = sizeof(_type) +#define UVERBS_ATTR_SIZE(_min_len, _len) \ + .min_len = _min_len, .len = _len + /* * In new compiler, UVERBS_ATTR could be simplified by declaring it as * [_id] = {.type = _type, .len = _len, ##__VA_ARGS__} * But since we support older compilers too, we need the more complex code. */ -#define UVERBS_ATTR(_id, _len, _type, ...) \ - __UVERBS_ATTR(_id, _len, _type, ##__VA_ARGS__, 1, 0) +#define UVERBS_ATTR(_id, _type, _fld, _attr, ...) \ + __UVERBS_ATTR(_id, _type, _fld, _attr, ##__VA_ARGS__, 2, 1, 0) #define UVERBS_ATTR_PTR_IN_SZ(_id, _len, ...) \ - UVERBS_ATTR(_id, _len, UVERBS_ATTR_TYPE_PTR_IN, ##__VA_ARGS__) + UVERBS_ATTR(_id, UVERBS_ATTR_TYPE_PTR_IN, ptr, _len, ##__VA_ARGS__) /* If sizeof(_type) <= sizeof(u64), this will be inlined rather than a pointer */ #define UVERBS_ATTR_PTR_IN(_id, _type, ...) \ - UVERBS_ATTR_PTR_IN_SZ(_id, sizeof(_type), ##__VA_ARGS__) + UVERBS_ATTR_PTR_IN_SZ(_id, _type, ##__VA_ARGS__) #define UVERBS_ATTR_PTR_OUT_SZ(_id, _len, ...) \ - UVERBS_ATTR(_id, _len, UVERBS_ATTR_TYPE_PTR_OUT, ##__VA_ARGS__) + UVERBS_ATTR(_id, UVERBS_ATTR_TYPE_PTR_OUT, ptr, _len, ##__VA_ARGS__) #define UVERBS_ATTR_PTR_OUT(_id, _type, ...) \ - UVERBS_ATTR_PTR_OUT_SZ(_id, sizeof(_type), ##__VA_ARGS__) + UVERBS_ATTR_PTR_OUT_SZ(_id, _type, ##__VA_ARGS__) +#define UVERBS_ATTR_ENUM_IN(_id, _enum_arr, ...) \ + UVERBS_ATTR(_id, UVERBS_ATTR_TYPE_ENUM_IN, enum_def, \ + .ids = (_enum_arr), \ + .num_elems = ARRAY_SIZE(_enum_arr), ##__VA_ARGS__) /* * In new compiler, UVERBS_ATTR_IDR (and FD) could be simplified by declaring @@ -202,15 +246,13 @@ struct uverbs_object_tree_def { #define ___UVERBS_ATTR_OBJ0(_id, _obj_class, _obj_type, _access, ...)\ ((const struct uverbs_attr_def) \ {.id = _id, \ - .attr = {.type = _obj_class, \ - {.obj = {.obj_type = _obj_type, .access = _access } },\ - .flags = 0} }) + .attr = { {.obj = {.type = _obj_class, .obj_type = _obj_type, \ + .access = _access, .flags = 0 } }, } }) #define ___UVERBS_ATTR_OBJ1(_id, _obj_class, _obj_type, _access, _flags)\ ((const struct uverbs_attr_def) \ {.id = _id, \ - .attr = {.type = _obj_class, \ - {.obj = {.obj_type = _obj_type, .access = _access} }, \ - _flags} }) + .attr = { {.obj = {.type = _obj_class, .obj_type = _obj_type, \ + .access = _access, _flags} }, } }) #define ___UVERBS_ATTR_OBJ(_id, _obj_class, _obj_type, _access, _flags, \ _n, ...) \ ___UVERBS_ATTR_OBJ##_n(_id, _obj_class, _obj_type, _access, _flags) @@ -229,6 +271,11 @@ struct uverbs_object_tree_def { #define DECLARE_UVERBS_ATTR_SPEC(_name, ...) \ const struct uverbs_attr_def _name = __VA_ARGS__ +#define DECLARE_UVERBS_ENUM(_name, ...) \ + const struct uverbs_enum_spec _name = { \ + .len = ARRAY_SIZE(((struct uverbs_attr_spec[]){__VA_ARGS__})),\ + .ids = {__VA_ARGS__}, \ + } #define _UVERBS_METHOD_ATTRS_SZ(...) \ (sizeof((const struct uverbs_attr_def * const []){__VA_ARGS__}) /\ sizeof(const struct uverbs_attr_def *)) @@ -280,6 +327,7 @@ struct uverbs_ptr_attr { u16 len; /* Combination of bits from enum UVERBS_ATTR_F_XXXX */ u16 flags; + u8 enum_id; }; struct uverbs_obj_attr { @@ -336,6 +384,8 @@ static inline bool uverbs_attr_is_valid(const struct uverbs_attr_bundle *attrs_b idx & ~UVERBS_ID_NS_MASK); } +#define IS_UVERBS_COPY_ERR(_ret) ((_ret) && (_ret) != -ENOENT) + static inline const struct uverbs_attr *uverbs_attr_get(const struct uverbs_attr_bundle *attrs_bundle, u16 idx) { @@ -347,6 +397,29 @@ static inline const struct uverbs_attr *uverbs_attr_get(const struct uverbs_attr return &attrs_bundle->hash[idx_bucket].attrs[idx & ~UVERBS_ID_NS_MASK]; } +static inline int uverbs_attr_get_enum_id(const struct uverbs_attr_bundle *attrs_bundle, + u16 idx) +{ + const struct uverbs_attr *attr = uverbs_attr_get(attrs_bundle, idx); + + if (IS_ERR(attr)) + return PTR_ERR(attr); + + return attr->ptr_attr.enum_id; +} + +static inline void *uverbs_attr_get_obj(const struct uverbs_attr_bundle *attrs_bundle, + u16 idx) +{ + struct ib_uobject *uobj = + uverbs_attr_get(attrs_bundle, idx)->obj_attr.uobject; + + if (IS_ERR(uobj)) + return uobj; + + return uobj->object; +} + static inline int uverbs_copy_to(const struct uverbs_attr_bundle *attrs_bundle, size_t idx, const void *from, size_t size) { @@ -385,8 +458,8 @@ static inline int _uverbs_copy_from(void *to, /* * Validation ensures attr->ptr_attr.len >= size. If the caller is - * using UVERBS_ATTR_SPEC_F_MIN_SZ then it must call copy_from with - * the right size. + * using UVERBS_ATTR_SPEC_F_MIN_SZ_OR_ZERO then it must call + * uverbs_copy_from_or_zero. */ if (unlikely(size < attr->ptr_attr.len)) return -EINVAL; @@ -400,9 +473,37 @@ static inline int _uverbs_copy_from(void *to, return 0; } +static inline int _uverbs_copy_from_or_zero(void *to, + const struct uverbs_attr_bundle *attrs_bundle, + size_t idx, + size_t size) +{ + const struct uverbs_attr *attr = uverbs_attr_get(attrs_bundle, idx); + size_t min_size; + + if (IS_ERR(attr)) + return PTR_ERR(attr); + + min_size = min_t(size_t, size, attr->ptr_attr.len); + + if (uverbs_attr_ptr_is_inline(attr)) + memcpy(to, &attr->ptr_attr.data, min_size); + else if (copy_from_user(to, u64_to_user_ptr(attr->ptr_attr.data), + min_size)) + return -EFAULT; + + if (size > min_size) + memset(to + min_size, 0, size - min_size); + + return 0; +} + #define uverbs_copy_from(to, attrs_bundle, idx) \ _uverbs_copy_from(to, attrs_bundle, idx, sizeof(*to)) +#define uverbs_copy_from_or_zero(to, attrs_bundle, idx) \ + _uverbs_copy_from_or_zero(to, attrs_bundle, idx, sizeof(*to)) + /* ================================================= * Definitions -> Specs infrastructure * ================================================= diff --git a/include/rdma/uverbs_named_ioctl.h b/include/rdma/uverbs_named_ioctl.h new file mode 100644 index 000000000000..c5bb4ebdb0b0 --- /dev/null +++ b/include/rdma/uverbs_named_ioctl.h @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _UVERBS_NAMED_IOCTL_ +#define _UVERBS_NAMED_IOCTL_ + +#include <rdma/uverbs_ioctl.h> + +#ifndef UVERBS_MODULE_NAME +#error "Please #define UVERBS_MODULE_NAME before including rdma/uverbs_named_ioctl.h" +#endif + +#define _UVERBS_PASTE(x, y) x ## y +#define _UVERBS_NAME(x, y) _UVERBS_PASTE(x, y) +#define UVERBS_METHOD(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _method_##id) +#define UVERBS_HANDLER(id) _UVERBS_NAME(UVERBS_MODULE_NAME, _handler_##id) + +#define DECLARE_UVERBS_NAMED_METHOD(id, ...) \ + DECLARE_UVERBS_METHOD(UVERBS_METHOD(id), id, UVERBS_HANDLER(id), ##__VA_ARGS__) + +#define DECLARE_UVERBS_NAMED_METHOD_WITH_HANDLER(id, handler, ...) \ + DECLARE_UVERBS_METHOD(UVERBS_METHOD(id), id, handler, ##__VA_ARGS__) + +#define DECLARE_UVERBS_NAMED_METHOD_NO_OVERRIDE(id, handler, ...) \ + DECLARE_UVERBS_METHOD(UVERBS_METHOD(id), id, NULL, ##__VA_ARGS__) + +#define DECLARE_UVERBS_NAMED_OBJECT(id, ...) \ + DECLARE_UVERBS_OBJECT(UVERBS_OBJECT(id), id, ##__VA_ARGS__) + +#define _UVERBS_COMP_NAME(x, y, z) _UVERBS_NAME(_UVERBS_NAME(x, y), z) + +#define UVERBS_NO_OVERRIDE NULL + +/* This declares a parsing tree with one object and one method. This is usually + * used for merging driver attributes to the common attributes. The driver has + * a chance to override the handler and type attrs of the original object. + * The __VA_ARGS__ just contains a list of attributes. + */ +#define ADD_UVERBS_ATTRIBUTES(_name, _object, _method, _type_attrs, _handler, ...) \ +static DECLARE_UVERBS_METHOD(_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \ + _method_, _name), \ + _method, _handler, ##__VA_ARGS__); \ + \ +static DECLARE_UVERBS_OBJECT(_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \ + _object_, _name), \ + _object, _type_attrs, \ + &_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \ + _method_, _name)); \ + \ +static DECLARE_UVERBS_OBJECT_TREE(_name, \ + &_UVERBS_COMP_NAME(UVERBS_MODULE_NAME, \ + _object_, _name)) + +/* A very common use case is that the driver doesn't override the handler and + * type_attrs. Therefore, we provide a simplified macro for this common case. + */ +#define ADD_UVERBS_ATTRIBUTES_SIMPLE(_name, _object, _method, ...) \ + ADD_UVERBS_ATTRIBUTES(_name, _object, _method, UVERBS_NO_OVERRIDE, \ + UVERBS_NO_OVERRIDE, ##__VA_ARGS__) + +#endif diff --git a/include/rdma/uverbs_std_types.h b/include/rdma/uverbs_std_types.h index 5f8e20bbd67c..9d56cdb84655 100644 --- a/include/rdma/uverbs_std_types.h +++ b/include/rdma/uverbs_std_types.h @@ -37,26 +37,10 @@ #include <rdma/uverbs_ioctl.h> #include <rdma/ib_user_ioctl_verbs.h> +#define UVERBS_OBJECT(id) uverbs_object_##id + #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) -extern const struct uverbs_object_def uverbs_object_comp_channel; -extern const struct uverbs_object_def uverbs_object_cq; -extern const struct uverbs_object_def uverbs_object_qp; -extern const struct uverbs_object_def uverbs_object_rwq_ind_table; -extern const struct uverbs_object_def uverbs_object_wq; -extern const struct uverbs_object_def uverbs_object_srq; -extern const struct uverbs_object_def uverbs_object_ah; -extern const struct uverbs_object_def uverbs_object_flow; -extern const struct uverbs_object_def uverbs_object_mr; -extern const struct uverbs_object_def uverbs_object_mw; -extern const struct uverbs_object_def uverbs_object_pd; -extern const struct uverbs_object_def uverbs_object_xrcd; -extern const struct uverbs_object_def uverbs_object_device; - -extern const struct uverbs_object_tree_def uverbs_default_objects; -static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) -{ - return &uverbs_default_objects; -} +const struct uverbs_object_tree_def *uverbs_default_get_objects(void); #else static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) { @@ -72,22 +56,22 @@ static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, return rdma_lookup_get_uobject(type, ucontext, id, write); } -#define uobj_get_type(_object) uverbs_object_##_object.type_attrs +#define uobj_get_type(_object) UVERBS_OBJECT(_object).type_attrs #define uobj_get_read(_type, _id, _ucontext) \ - __uobj_get(_type, false, _ucontext, _id) + __uobj_get(uobj_get_type(_type), false, _ucontext, _id) -#define uobj_get_obj_read(_object, _id, _ucontext) \ +#define uobj_get_obj_read(_object, _type, _id, _ucontext) \ ({ \ struct ib_uobject *__uobj = \ - __uobj_get(uverbs_object_##_object.type_attrs, \ + __uobj_get(uobj_get_type(_type), \ false, _ucontext, _id); \ \ (struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\ }) #define uobj_get_write(_type, _id, _ucontext) \ - __uobj_get(_type, true, _ucontext, _id) + __uobj_get(uobj_get_type(_type), true, _ucontext, _id) static inline void uobj_put_read(struct ib_uobject *uobj) { @@ -124,7 +108,7 @@ static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type } #define uobj_alloc(_type, ucontext) \ - __uobj_alloc(_type, ucontext) + __uobj_alloc(uobj_get_type(_type), ucontext) #endif diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h index db54115be044..a7a6111e50c7 100644 --- a/include/uapi/rdma/bnxt_re-abi.h +++ b/include/uapi/rdma/bnxt_re-abi.h @@ -53,15 +53,20 @@ struct bnxt_re_uctx_resp { __u32 rsvd; }; +/* + * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is + * not 8 byted aligned. To avoid undesired padding in various cases we have to + * set this struct to packed. + */ struct bnxt_re_pd_resp { __u32 pdid; __u32 dpi; __u64 dbr; -}; +} __attribute__((packed, aligned(4))); struct bnxt_re_cq_req { - __u64 cq_va; - __u64 cq_handle; + __aligned_u64 cq_va; + __aligned_u64 cq_handle; }; struct bnxt_re_cq_resp { @@ -72,9 +77,9 @@ struct bnxt_re_cq_resp { }; struct bnxt_re_qp_req { - __u64 qpsva; - __u64 qprva; - __u64 qp_handle; + __aligned_u64 qpsva; + __aligned_u64 qprva; + __aligned_u64 qp_handle; }; struct bnxt_re_qp_resp { @@ -83,8 +88,8 @@ struct bnxt_re_qp_resp { }; struct bnxt_re_srq_req { - __u64 srqva; - __u64 srq_handle; + __aligned_u64 srqva; + __aligned_u64 srq_handle; }; struct bnxt_re_srq_resp { diff --git a/include/uapi/rdma/cxgb3-abi.h b/include/uapi/rdma/cxgb3-abi.h index d5745e43ae85..9acb4b7a6246 100644 --- a/include/uapi/rdma/cxgb3-abi.h +++ b/include/uapi/rdma/cxgb3-abi.h @@ -41,21 +41,21 @@ * Make sure that all structs defined in this file remain laid out so * that they pack the same way on 32-bit and 64-bit architectures (to * avoid incompatibility between 32-bit userspace and 64-bit kernels). - * In particular do not use pointer types -- pass pointers in __u64 + * In particular do not use pointer types -- pass pointers in __aligned_u64 * instead. */ struct iwch_create_cq_req { - __u64 user_rptr_addr; + __aligned_u64 user_rptr_addr; }; struct iwch_create_cq_resp_v0 { - __u64 key; + __aligned_u64 key; __u32 cqid; __u32 size_log2; }; struct iwch_create_cq_resp { - __u64 key; + __aligned_u64 key; __u32 cqid; __u32 size_log2; __u32 memsize; @@ -63,8 +63,8 @@ struct iwch_create_cq_resp { }; struct iwch_create_qp_resp { - __u64 key; - __u64 db_key; + __aligned_u64 key; + __aligned_u64 db_key; __u32 qpid; __u32 size_log2; __u32 sq_size_log2; @@ -74,4 +74,9 @@ struct iwch_create_qp_resp { struct iwch_reg_user_mr_resp { __u32 pbl_addr; }; + +struct iwch_alloc_pd_resp { + __u32 pdid; +}; + #endif /* CXGB3_ABI_USER_H */ diff --git a/include/uapi/rdma/cxgb4-abi.h b/include/uapi/rdma/cxgb4-abi.h index 05f71f1bc119..1fefd0140c26 100644 --- a/include/uapi/rdma/cxgb4-abi.h +++ b/include/uapi/rdma/cxgb4-abi.h @@ -41,13 +41,13 @@ * Make sure that all structs defined in this file remain laid out so * that they pack the same way on 32-bit and 64-bit architectures (to * avoid incompatibility between 32-bit userspace and 64-bit kernels). - * In particular do not use pointer types -- pass pointers in __u64 + * In particular do not use pointer types -- pass pointers in __aligned_u64 * instead. */ struct c4iw_create_cq_resp { - __u64 key; - __u64 gts_key; - __u64 memsize; + __aligned_u64 key; + __aligned_u64 gts_key; + __aligned_u64 memsize; __u32 cqid; __u32 size; __u32 qid_mask; @@ -59,13 +59,13 @@ enum { }; struct c4iw_create_qp_resp { - __u64 ma_sync_key; - __u64 sq_key; - __u64 rq_key; - __u64 sq_db_gts_key; - __u64 rq_db_gts_key; - __u64 sq_memsize; - __u64 rq_memsize; + __aligned_u64 ma_sync_key; + __aligned_u64 sq_key; + __aligned_u64 rq_key; + __aligned_u64 sq_db_gts_key; + __aligned_u64 rq_db_gts_key; + __aligned_u64 sq_memsize; + __aligned_u64 rq_memsize; __u32 sqid; __u32 rqid; __u32 sq_size; @@ -75,8 +75,13 @@ struct c4iw_create_qp_resp { }; struct c4iw_alloc_ucontext_resp { - __u64 status_page_key; + __aligned_u64 status_page_key; __u32 status_page_size; __u32 reserved; /* explicit padding (optional for i386) */ }; + +struct c4iw_alloc_pd_resp { + __u32 pdid; +}; + #endif /* CXGB4_ABI_USER_H */ diff --git a/include/uapi/rdma/hfi/hfi1_ioctl.h b/include/uapi/rdma/hfi/hfi1_ioctl.h index 9de78c5ee913..8f3d9fe7b141 100644 --- a/include/uapi/rdma/hfi/hfi1_ioctl.h +++ b/include/uapi/rdma/hfi/hfi1_ioctl.h @@ -79,7 +79,7 @@ struct hfi1_user_info { }; struct hfi1_ctxt_info { - __u64 runtime_flags; /* chip/drv runtime flags (HFI1_CAP_*) */ + __aligned_u64 runtime_flags; /* chip/drv runtime flags (HFI1_CAP_*) */ __u32 rcvegr_size; /* size of each eager buffer */ __u16 num_active; /* number of active units */ __u16 unit; /* unit (chip) assigned to caller */ @@ -98,9 +98,9 @@ struct hfi1_ctxt_info { struct hfi1_tid_info { /* virtual address of first page in transfer */ - __u64 vaddr; + __aligned_u64 vaddr; /* pointer to tid array. this array is big enough */ - __u64 tidlist; + __aligned_u64 tidlist; /* number of tids programmed by this request */ __u32 tidcnt; /* length of transfer buffer programmed by this request */ @@ -131,23 +131,23 @@ struct hfi1_base_info { */ __u32 bthqp; /* PIO credit return address, */ - __u64 sc_credits_addr; + __aligned_u64 sc_credits_addr; /* * Base address of write-only pio buffers for this process. * Each buffer has sendpio_credits*64 bytes. */ - __u64 pio_bufbase_sop; + __aligned_u64 pio_bufbase_sop; /* * Base address of write-only pio buffers for this process. * Each buffer has sendpio_credits*64 bytes. */ - __u64 pio_bufbase; + __aligned_u64 pio_bufbase; /* address where receive buffer queue is mapped into */ - __u64 rcvhdr_bufbase; + __aligned_u64 rcvhdr_bufbase; /* base address of Eager receive buffers. */ - __u64 rcvegr_bufbase; + __aligned_u64 rcvegr_bufbase; /* base address of SDMA completion ring */ - __u64 sdma_comp_bufbase; + __aligned_u64 sdma_comp_bufbase; /* * User register base for init code, not to be used directly by * protocol or applications. Always maps real chip register space. @@ -155,20 +155,20 @@ struct hfi1_base_info { * ur_rcvhdrhead, ur_rcvhdrtail, ur_rcvegrhead, ur_rcvegrtail, * ur_rcvtidflow */ - __u64 user_regbase; + __aligned_u64 user_regbase; /* notification events */ - __u64 events_bufbase; + __aligned_u64 events_bufbase; /* status page */ - __u64 status_bufbase; + __aligned_u64 status_bufbase; /* rcvhdrtail update */ - __u64 rcvhdrtail_base; + __aligned_u64 rcvhdrtail_base; /* * shared memory pages for subctxts if ctxt is shared; these cover * all the processes in the group sharing a single context. * all have enough space for the num_subcontexts value on this job. */ - __u64 subctxt_uregbase; - __u64 subctxt_rcvegrbuf; - __u64 subctxt_rcvhdrbuf; + __aligned_u64 subctxt_uregbase; + __aligned_u64 subctxt_rcvegrbuf; + __aligned_u64 subctxt_rcvhdrbuf; }; #endif /* _LINIUX__HFI1_IOCTL_H */ diff --git a/include/uapi/rdma/hfi/hfi1_user.h b/include/uapi/rdma/hfi/hfi1_user.h index 791bea2f8297..c6a984c0c881 100644 --- a/include/uapi/rdma/hfi/hfi1_user.h +++ b/include/uapi/rdma/hfi/hfi1_user.h @@ -177,8 +177,8 @@ struct hfi1_sdma_comp_entry { * Device status and notifications from driver to user-space. */ struct hfi1_status { - __u64 dev; /* device/hw status bits */ - __u64 port; /* port state and status bits */ + __aligned_u64 dev; /* device/hw status bits */ + __aligned_u64 port; /* port state and status bits */ char freezemsg[0]; }; @@ -219,7 +219,7 @@ struct sdma_req_info { * in charge of managing its own ring. */ __u16 comp_idx; -} __packed; +} __attribute__((__packed__)); /* * SW KDETH header. @@ -230,7 +230,7 @@ struct hfi1_kdeth_header { __le16 jkey; __le16 hcrc; __le32 swdata[7]; -} __packed; +} __attribute__((__packed__)); /* * Structure describing the headers that User space uses. The @@ -241,7 +241,7 @@ struct hfi1_pkt_header { __be16 lrh[4]; __be32 bth[3]; struct hfi1_kdeth_header kdeth; -} __packed; +} __attribute__((__packed__)); /* diff --git a/include/uapi/rdma/hns-abi.h b/include/uapi/rdma/hns-abi.h index a9c03b0eed57..7092c8de4bd8 100644 --- a/include/uapi/rdma/hns-abi.h +++ b/include/uapi/rdma/hns-abi.h @@ -37,19 +37,35 @@ #include <linux/types.h> struct hns_roce_ib_create_cq { - __u64 buf_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; +}; + +struct hns_roce_ib_create_cq_resp { + __aligned_u64 cqn; /* Only 32 bits used, 64 for compat */ + __aligned_u64 cap_flags; }; struct hns_roce_ib_create_qp { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; __u8 log_sq_bb_count; __u8 log_sq_stride; __u8 sq_no_prefetch; __u8 reserved[5]; }; +struct hns_roce_ib_create_qp_resp { + __aligned_u64 cap_flags; +}; + struct hns_roce_ib_alloc_ucontext_resp { __u32 qp_tab_size; + __u32 reserved; }; + +struct hns_roce_ib_alloc_pd_resp { + __u32 pdn; +}; + #endif /* HNS_ABI_USER_H */ diff --git a/drivers/infiniband/hw/i40iw/i40iw_ucontext.h b/include/uapi/rdma/i40iw-abi.h index 57d3f1d11ff1..79890baa6fdb 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ucontext.h +++ b/include/uapi/rdma/i40iw-abi.h @@ -34,8 +34,8 @@ * */ -#ifndef I40IW_USER_CONTEXT_H -#define I40IW_USER_CONTEXT_H +#ifndef I40IW_ABI_H +#define I40IW_ABI_H #include <linux/types.h> @@ -61,17 +61,17 @@ struct i40iw_alloc_pd_resp { }; struct i40iw_create_cq_req { - __u64 user_cq_buffer; - __u64 user_shadow_area; + __aligned_u64 user_cq_buffer; + __aligned_u64 user_shadow_area; }; struct i40iw_create_qp_req { - __u64 user_wqe_buffers; - __u64 user_compl_ctx; + __aligned_u64 user_wqe_buffers; + __aligned_u64 user_compl_ctx; /* UDA QP PHB */ - __u64 user_sq_phb; /* place for VA of the sq phb buff */ - __u64 user_rq_phb; /* place for VA of the rq phb buff */ + __aligned_u64 user_sq_phb; /* place for VA of the sq phb buff */ + __aligned_u64 user_rq_phb; /* place for VA of the rq phb buff */ }; enum i40iw_memreg_type { diff --git a/include/uapi/rdma/ib_user_cm.h b/include/uapi/rdma/ib_user_cm.h index f4041bdc4d08..4a8f9562f7cd 100644 --- a/include/uapi/rdma/ib_user_cm.h +++ b/include/uapi/rdma/ib_user_cm.h @@ -73,8 +73,8 @@ struct ib_ucm_cmd_hdr { }; struct ib_ucm_create_id { - __u64 uid; - __u64 response; + __aligned_u64 uid; + __aligned_u64 response; }; struct ib_ucm_create_id_resp { @@ -82,7 +82,7 @@ struct ib_ucm_create_id_resp { }; struct ib_ucm_destroy_id { - __u64 response; + __aligned_u64 response; __u32 id; __u32 reserved; }; @@ -92,7 +92,7 @@ struct ib_ucm_destroy_id_resp { }; struct ib_ucm_attr_id { - __u64 response; + __aligned_u64 response; __u32 id; __u32 reserved; }; @@ -105,7 +105,7 @@ struct ib_ucm_attr_id_resp { }; struct ib_ucm_init_qp_attr { - __u64 response; + __aligned_u64 response; __u32 id; __u32 qp_state; }; @@ -123,7 +123,7 @@ struct ib_ucm_notify { }; struct ib_ucm_private_data { - __u64 data; + __aligned_u64 data; __u32 id; __u8 len; __u8 reserved[3]; @@ -135,9 +135,9 @@ struct ib_ucm_req { __u32 qp_type; __u32 psn; __be64 sid; - __u64 data; - __u64 primary_path; - __u64 alternate_path; + __aligned_u64 data; + __aligned_u64 primary_path; + __aligned_u64 alternate_path; __u8 len; __u8 peer_to_peer; __u8 responder_resources; @@ -153,8 +153,8 @@ struct ib_ucm_req { }; struct ib_ucm_rep { - __u64 uid; - __u64 data; + __aligned_u64 uid; + __aligned_u64 data; __u32 id; __u32 qpn; __u32 psn; @@ -172,15 +172,15 @@ struct ib_ucm_rep { struct ib_ucm_info { __u32 id; __u32 status; - __u64 info; - __u64 data; + __aligned_u64 info; + __aligned_u64 data; __u8 info_len; __u8 data_len; __u8 reserved[6]; }; struct ib_ucm_mra { - __u64 data; + __aligned_u64 data; __u32 id; __u8 len; __u8 timeout; @@ -188,8 +188,8 @@ struct ib_ucm_mra { }; struct ib_ucm_lap { - __u64 path; - __u64 data; + __aligned_u64 path; + __aligned_u64 data; __u32 id; __u8 len; __u8 reserved[3]; @@ -199,8 +199,8 @@ struct ib_ucm_sidr_req { __u32 id; __u32 timeout; __be64 sid; - __u64 data; - __u64 path; + __aligned_u64 data; + __aligned_u64 path; __u16 reserved_pkey; __u8 len; __u8 max_cm_retries; @@ -212,8 +212,8 @@ struct ib_ucm_sidr_rep { __u32 qpn; __u32 qkey; __u32 status; - __u64 info; - __u64 data; + __aligned_u64 info; + __aligned_u64 data; __u8 info_len; __u8 data_len; __u8 reserved[6]; @@ -222,9 +222,9 @@ struct ib_ucm_sidr_rep { * event notification ABI structures. */ struct ib_ucm_event_get { - __u64 response; - __u64 data; - __u64 info; + __aligned_u64 response; + __aligned_u64 data; + __aligned_u64 info; __u8 data_len; __u8 info_len; __u8 reserved[6]; @@ -303,7 +303,7 @@ struct ib_ucm_sidr_rep_event_resp { #define IB_UCM_PRES_ALTERNATE 0x08 struct ib_ucm_event_resp { - __u64 uid; + __aligned_u64 uid; __u32 id; __u32 event; __u32 present; diff --git a/include/uapi/rdma/ib_user_ioctl_cmds.h b/include/uapi/rdma/ib_user_ioctl_cmds.h new file mode 100644 index 000000000000..83e3890eef20 --- /dev/null +++ b/include/uapi/rdma/ib_user_ioctl_cmds.h @@ -0,0 +1,134 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef IB_USER_IOCTL_CMDS_H +#define IB_USER_IOCTL_CMDS_H + +#define UVERBS_ID_NS_MASK 0xF000 +#define UVERBS_ID_NS_SHIFT 12 + +#define UVERBS_UDATA_DRIVER_DATA_NS 1 +#define UVERBS_UDATA_DRIVER_DATA_FLAG (1UL << UVERBS_ID_NS_SHIFT) + +enum uverbs_default_objects { + UVERBS_OBJECT_DEVICE, /* No instances of DEVICE are allowed */ + UVERBS_OBJECT_PD, + UVERBS_OBJECT_COMP_CHANNEL, + UVERBS_OBJECT_CQ, + UVERBS_OBJECT_QP, + UVERBS_OBJECT_SRQ, + UVERBS_OBJECT_AH, + UVERBS_OBJECT_MR, + UVERBS_OBJECT_MW, + UVERBS_OBJECT_FLOW, + UVERBS_OBJECT_XRCD, + UVERBS_OBJECT_RWQ_IND_TBL, + UVERBS_OBJECT_WQ, + UVERBS_OBJECT_FLOW_ACTION, + UVERBS_OBJECT_DM, +}; + +enum { + UVERBS_ATTR_UHW_IN = UVERBS_UDATA_DRIVER_DATA_FLAG, + UVERBS_ATTR_UHW_OUT, +}; + +enum uverbs_attrs_create_cq_cmd_attr_ids { + UVERBS_ATTR_CREATE_CQ_HANDLE, + UVERBS_ATTR_CREATE_CQ_CQE, + UVERBS_ATTR_CREATE_CQ_USER_HANDLE, + UVERBS_ATTR_CREATE_CQ_COMP_CHANNEL, + UVERBS_ATTR_CREATE_CQ_COMP_VECTOR, + UVERBS_ATTR_CREATE_CQ_FLAGS, + UVERBS_ATTR_CREATE_CQ_RESP_CQE, +}; + +enum uverbs_attrs_destroy_cq_cmd_attr_ids { + UVERBS_ATTR_DESTROY_CQ_HANDLE, + UVERBS_ATTR_DESTROY_CQ_RESP, +}; + +enum uverbs_attrs_create_flow_action_esp { + UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE, + UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS, + UVERBS_ATTR_FLOW_ACTION_ESP_ESN, + UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT, + UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY, + UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP, +}; + +enum uverbs_attrs_destroy_flow_action_esp { + UVERBS_ATTR_DESTROY_FLOW_ACTION_HANDLE, +}; + +enum uverbs_methods_cq { + UVERBS_METHOD_CQ_CREATE, + UVERBS_METHOD_CQ_DESTROY, +}; + +enum uverbs_methods_actions_flow_action_ops { + UVERBS_METHOD_FLOW_ACTION_ESP_CREATE, + UVERBS_METHOD_FLOW_ACTION_DESTROY, + UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY, +}; + +enum uverbs_attrs_alloc_dm_cmd_attr_ids { + UVERBS_ATTR_ALLOC_DM_HANDLE, + UVERBS_ATTR_ALLOC_DM_LENGTH, + UVERBS_ATTR_ALLOC_DM_ALIGNMENT, +}; + +enum uverbs_attrs_free_dm_cmd_attr_ids { + UVERBS_ATTR_FREE_DM_HANDLE, +}; + +enum uverbs_methods_dm { + UVERBS_METHOD_DM_ALLOC, + UVERBS_METHOD_DM_FREE, +}; + +enum uverbs_attrs_reg_dm_mr_cmd_attr_ids { + UVERBS_ATTR_REG_DM_MR_HANDLE, + UVERBS_ATTR_REG_DM_MR_OFFSET, + UVERBS_ATTR_REG_DM_MR_LENGTH, + UVERBS_ATTR_REG_DM_MR_PD_HANDLE, + UVERBS_ATTR_REG_DM_MR_ACCESS_FLAGS, + UVERBS_ATTR_REG_DM_MR_DM_HANDLE, + UVERBS_ATTR_REG_DM_MR_RESP_LKEY, + UVERBS_ATTR_REG_DM_MR_RESP_RKEY, +}; + +enum uverbs_methods_mr { + UVERBS_METHOD_DM_MR_REG, +}; + +#endif diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h index 842792eae383..04e46ea517d3 100644 --- a/include/uapi/rdma/ib_user_ioctl_verbs.h +++ b/include/uapi/rdma/ib_user_ioctl_verbs.h @@ -1,5 +1,6 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ /* - * Copyright (c) 2017, Mellanox Technologies inc. All rights reserved. + * Copyright (c) 2017-2018, Mellanox Technologies inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -33,52 +34,69 @@ #ifndef IB_USER_IOCTL_VERBS_H #define IB_USER_IOCTL_VERBS_H -#include <rdma/rdma_user_ioctl.h> - -#define UVERBS_UDATA_DRIVER_DATA_NS 1 -#define UVERBS_UDATA_DRIVER_DATA_FLAG (1UL << UVERBS_ID_NS_SHIFT) - -enum uverbs_default_objects { - UVERBS_OBJECT_DEVICE, /* No instances of DEVICE are allowed */ - UVERBS_OBJECT_PD, - UVERBS_OBJECT_COMP_CHANNEL, - UVERBS_OBJECT_CQ, - UVERBS_OBJECT_QP, - UVERBS_OBJECT_SRQ, - UVERBS_OBJECT_AH, - UVERBS_OBJECT_MR, - UVERBS_OBJECT_MW, - UVERBS_OBJECT_FLOW, - UVERBS_OBJECT_XRCD, - UVERBS_OBJECT_RWQ_IND_TBL, - UVERBS_OBJECT_WQ, - UVERBS_OBJECT_LAST, +#include <linux/types.h> + +#ifndef RDMA_UAPI_PTR +#define RDMA_UAPI_PTR(_type, _name) __aligned_u64 _name +#endif + +enum ib_uverbs_flow_action_esp_keymat { + IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM, }; -enum { - UVERBS_UHW_IN = UVERBS_UDATA_DRIVER_DATA_FLAG, - UVERBS_UHW_OUT, +enum ib_uverbs_flow_action_esp_keymat_aes_gcm_iv_algo { + IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ, }; -enum uverbs_create_cq_cmd_attr_ids { - CREATE_CQ_HANDLE, - CREATE_CQ_CQE, - CREATE_CQ_USER_HANDLE, - CREATE_CQ_COMP_CHANNEL, - CREATE_CQ_COMP_VECTOR, - CREATE_CQ_FLAGS, - CREATE_CQ_RESP_CQE, +struct ib_uverbs_flow_action_esp_keymat_aes_gcm { + __aligned_u64 iv; + __u32 iv_algo; /* Use enum ib_uverbs_flow_action_esp_keymat_aes_gcm_iv_algo */ + + __u32 salt; + __u32 icv_len; + + __u32 key_len; + __u32 aes_key[256 / 32]; }; -enum uverbs_destroy_cq_cmd_attr_ids { - DESTROY_CQ_HANDLE, - DESTROY_CQ_RESP, +enum ib_uverbs_flow_action_esp_replay { + IB_UVERBS_FLOW_ACTION_ESP_REPLAY_NONE, + IB_UVERBS_FLOW_ACTION_ESP_REPLAY_BMP, }; -enum uverbs_actions_cq_ops { - UVERBS_CQ_CREATE, - UVERBS_CQ_DESTROY, +struct ib_uverbs_flow_action_esp_replay_bmp { + __u32 size; }; -#endif +enum ib_uverbs_flow_action_esp_flags { + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_INLINE_CRYPTO = 0UL << 0, /* Default */ + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_FULL_OFFLOAD = 1UL << 0, + + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_TUNNEL = 0UL << 1, /* Default */ + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_TRANSPORT = 1UL << 1, + + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_DECRYPT = 0UL << 2, /* Default */ + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT = 1UL << 2, + IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW = 1UL << 3, +}; + +struct ib_uverbs_flow_action_esp_encap { + /* This struct represents a list of pointers to flow_xxxx_filter that + * encapsulates the payload in ESP tunnel mode. + */ + RDMA_UAPI_PTR(void *, val_ptr); /* pointer to a flow_xxxx_filter */ + RDMA_UAPI_PTR(struct ib_uverbs_flow_action_esp_encap *, next_ptr); + __u16 len; /* Len of the filter struct val_ptr points to */ + __u16 type; /* Use flow_spec_type enum */ +}; + +struct ib_uverbs_flow_action_esp { + __u32 spi; + __u32 seq; + __u32 tfc_pad; + __u32 flags; + __aligned_u64 hard_limit_pkts; +}; + +#endif diff --git a/include/uapi/rdma/ib_user_mad.h b/include/uapi/rdma/ib_user_mad.h index 330a3c5f1aa8..ef92118dad97 100644 --- a/include/uapi/rdma/ib_user_mad.h +++ b/include/uapi/rdma/ib_user_mad.h @@ -143,7 +143,7 @@ struct ib_user_mad_hdr { */ struct ib_user_mad { struct ib_user_mad_hdr hdr; - __u64 data[0]; + __aligned_u64 data[0]; }; /* @@ -225,7 +225,7 @@ struct ib_user_mad_reg_req2 { __u8 mgmt_class_version; __u16 res; __u32 flags; - __u64 method_mask[2]; + __aligned_u64 method_mask[2]; __u32 oui; __u8 rmpp_version; __u8 reserved[3]; diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 04d0e67b1312..9be07394fdbe 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -117,13 +117,13 @@ enum { */ struct ib_uverbs_async_event_desc { - __u64 element; + __aligned_u64 element; __u32 event_type; /* enum ib_event_type */ __u32 reserved; }; struct ib_uverbs_comp_event_desc { - __u64 cq_handle; + __aligned_u64 cq_handle; }; struct ib_uverbs_cq_moderation_caps { @@ -141,10 +141,7 @@ struct ib_uverbs_cq_moderation_caps { */ #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff -#define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u -#define IB_USER_VERBS_CMD_FLAGS_SHIFT 24 - -#define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80 +#define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80000000u struct ib_uverbs_cmd_hdr { __u32 command; @@ -153,15 +150,15 @@ struct ib_uverbs_cmd_hdr { }; struct ib_uverbs_ex_cmd_hdr { - __u64 response; + __aligned_u64 response; __u16 provider_in_words; __u16 provider_out_words; __u32 cmd_hdr_reserved; }; struct ib_uverbs_get_context { - __u64 response; - __u64 driver_data[0]; + __aligned_u64 response; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_get_context_resp { @@ -170,16 +167,16 @@ struct ib_uverbs_get_context_resp { }; struct ib_uverbs_query_device { - __u64 response; - __u64 driver_data[0]; + __aligned_u64 response; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_query_device_resp { - __u64 fw_ver; + __aligned_u64 fw_ver; __be64 node_guid; __be64 sys_image_guid; - __u64 max_mr_size; - __u64 page_size_cap; + __aligned_u64 max_mr_size; + __aligned_u64 page_size_cap; __u32 vendor_id; __u32 vendor_part_id; __u32 hw_ver; @@ -224,7 +221,7 @@ struct ib_uverbs_ex_query_device { }; struct ib_uverbs_odp_caps { - __u64 general_caps; + __aligned_u64 general_caps; struct { __u32 rc_odp_caps; __u32 uc_odp_caps; @@ -263,21 +260,22 @@ struct ib_uverbs_ex_query_device_resp { __u32 comp_mask; __u32 response_length; struct ib_uverbs_odp_caps odp_caps; - __u64 timestamp_mask; - __u64 hca_core_clock; /* in KHZ */ - __u64 device_cap_flags_ex; + __aligned_u64 timestamp_mask; + __aligned_u64 hca_core_clock; /* in KHZ */ + __aligned_u64 device_cap_flags_ex; struct ib_uverbs_rss_caps rss_caps; __u32 max_wq_type_rq; __u32 raw_packet_caps; struct ib_uverbs_tm_caps tm_caps; struct ib_uverbs_cq_moderation_caps cq_moderation_caps; + __aligned_u64 max_dm_size; }; struct ib_uverbs_query_port { - __u64 response; + __aligned_u64 response; __u8 port_num; __u8 reserved[7]; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_query_port_resp { @@ -305,8 +303,8 @@ struct ib_uverbs_query_port_resp { }; struct ib_uverbs_alloc_pd { - __u64 response; - __u64 driver_data[0]; + __aligned_u64 response; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_alloc_pd_resp { @@ -318,10 +316,10 @@ struct ib_uverbs_dealloc_pd { }; struct ib_uverbs_open_xrcd { - __u64 response; + __aligned_u64 response; __u32 fd; __u32 oflags; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_open_xrcd_resp { @@ -333,13 +331,13 @@ struct ib_uverbs_close_xrcd { }; struct ib_uverbs_reg_mr { - __u64 response; - __u64 start; - __u64 length; - __u64 hca_va; + __aligned_u64 response; + __aligned_u64 start; + __aligned_u64 length; + __aligned_u64 hca_va; __u32 pd_handle; __u32 access_flags; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_reg_mr_resp { @@ -349,12 +347,12 @@ struct ib_uverbs_reg_mr_resp { }; struct ib_uverbs_rereg_mr { - __u64 response; + __aligned_u64 response; __u32 mr_handle; __u32 flags; - __u64 start; - __u64 length; - __u64 hca_va; + __aligned_u64 start; + __aligned_u64 length; + __aligned_u64 hca_va; __u32 pd_handle; __u32 access_flags; }; @@ -369,7 +367,7 @@ struct ib_uverbs_dereg_mr { }; struct ib_uverbs_alloc_mw { - __u64 response; + __aligned_u64 response; __u32 pd_handle; __u8 mw_type; __u8 reserved[3]; @@ -385,7 +383,7 @@ struct ib_uverbs_dealloc_mw { }; struct ib_uverbs_create_comp_channel { - __u64 response; + __aligned_u64 response; }; struct ib_uverbs_create_comp_channel_resp { @@ -393,13 +391,13 @@ struct ib_uverbs_create_comp_channel_resp { }; struct ib_uverbs_create_cq { - __u64 response; - __u64 user_handle; + __aligned_u64 response; + __aligned_u64 user_handle; __u32 cqe; __u32 comp_vector; __s32 comp_channel; __u32 reserved; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; enum ib_uverbs_ex_create_cq_flags { @@ -408,7 +406,7 @@ enum ib_uverbs_ex_create_cq_flags { }; struct ib_uverbs_ex_create_cq { - __u64 user_handle; + __aligned_u64 user_handle; __u32 cqe; __u32 comp_vector; __s32 comp_channel; @@ -429,26 +427,26 @@ struct ib_uverbs_ex_create_cq_resp { }; struct ib_uverbs_resize_cq { - __u64 response; + __aligned_u64 response; __u32 cq_handle; __u32 cqe; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_resize_cq_resp { __u32 cqe; __u32 reserved; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_poll_cq { - __u64 response; + __aligned_u64 response; __u32 cq_handle; __u32 ne; }; struct ib_uverbs_wc { - __u64 wr_id; + __aligned_u64 wr_id; __u32 status; __u32 opcode; __u32 vendor_err; @@ -480,7 +478,7 @@ struct ib_uverbs_req_notify_cq { }; struct ib_uverbs_destroy_cq { - __u64 response; + __aligned_u64 response; __u32 cq_handle; __u32 reserved; }; @@ -549,8 +547,8 @@ struct ib_uverbs_qp_attr { }; struct ib_uverbs_create_qp { - __u64 response; - __u64 user_handle; + __aligned_u64 response; + __aligned_u64 user_handle; __u32 pd_handle; __u32 send_cq_handle; __u32 recv_cq_handle; @@ -564,7 +562,7 @@ struct ib_uverbs_create_qp { __u8 qp_type; __u8 is_srq; __u8 reserved; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; enum ib_uverbs_create_qp_mask { @@ -590,7 +588,7 @@ enum { }; struct ib_uverbs_ex_create_qp { - __u64 user_handle; + __aligned_u64 user_handle; __u32 pd_handle; __u32 send_cq_handle; __u32 recv_cq_handle; @@ -611,13 +609,13 @@ struct ib_uverbs_ex_create_qp { }; struct ib_uverbs_open_qp { - __u64 response; - __u64 user_handle; + __aligned_u64 response; + __aligned_u64 user_handle; __u32 pd_handle; __u32 qpn; __u8 qp_type; __u8 reserved[7]; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; /* also used for open response */ @@ -658,10 +656,10 @@ struct ib_uverbs_qp_dest { }; struct ib_uverbs_query_qp { - __u64 response; + __aligned_u64 response; __u32 qp_handle; __u32 attr_mask; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_query_qp_resp { @@ -695,7 +693,7 @@ struct ib_uverbs_query_qp_resp { __u8 alt_timeout; __u8 sq_sig_all; __u8 reserved[5]; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_modify_qp { @@ -725,7 +723,7 @@ struct ib_uverbs_modify_qp { __u8 alt_port_num; __u8 alt_timeout; __u8 reserved[2]; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_ex_modify_qp { @@ -743,7 +741,7 @@ struct ib_uverbs_ex_modify_qp_resp { }; struct ib_uverbs_destroy_qp { - __u64 response; + __aligned_u64 response; __u32 qp_handle; __u32 reserved; }; @@ -759,13 +757,13 @@ struct ib_uverbs_destroy_qp_resp { * document the ABI. */ struct ib_uverbs_sge { - __u64 addr; + __aligned_u64 addr; __u32 length; __u32 lkey; }; struct ib_uverbs_send_wr { - __u64 wr_id; + __aligned_u64 wr_id; __u32 num_sge; __u32 opcode; __u32 send_flags; @@ -775,14 +773,14 @@ struct ib_uverbs_send_wr { } ex; union { struct { - __u64 remote_addr; + __aligned_u64 remote_addr; __u32 rkey; __u32 reserved; } rdma; struct { - __u64 remote_addr; - __u64 compare_add; - __u64 swap; + __aligned_u64 remote_addr; + __aligned_u64 compare_add; + __aligned_u64 swap; __u32 rkey; __u32 reserved; } atomic; @@ -796,7 +794,7 @@ struct ib_uverbs_send_wr { }; struct ib_uverbs_post_send { - __u64 response; + __aligned_u64 response; __u32 qp_handle; __u32 wr_count; __u32 sge_count; @@ -809,13 +807,13 @@ struct ib_uverbs_post_send_resp { }; struct ib_uverbs_recv_wr { - __u64 wr_id; + __aligned_u64 wr_id; __u32 num_sge; __u32 reserved; }; struct ib_uverbs_post_recv { - __u64 response; + __aligned_u64 response; __u32 qp_handle; __u32 wr_count; __u32 sge_count; @@ -828,7 +826,7 @@ struct ib_uverbs_post_recv_resp { }; struct ib_uverbs_post_srq_recv { - __u64 response; + __aligned_u64 response; __u32 srq_handle; __u32 wr_count; __u32 sge_count; @@ -841,8 +839,8 @@ struct ib_uverbs_post_srq_recv_resp { }; struct ib_uverbs_create_ah { - __u64 response; - __u64 user_handle; + __aligned_u64 response; + __aligned_u64 user_handle; __u32 pd_handle; __u32 reserved; struct ib_uverbs_ah_attr attr; @@ -861,7 +859,7 @@ struct ib_uverbs_attach_mcast { __u32 qp_handle; __u16 mlid; __u16 reserved; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_detach_mcast { @@ -869,7 +867,7 @@ struct ib_uverbs_detach_mcast { __u32 qp_handle; __u16 mlid; __u16 reserved; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_flow_spec_hdr { @@ -877,7 +875,7 @@ struct ib_uverbs_flow_spec_hdr { __u16 size; __u16 reserved; /* followed by flow_spec */ - __u64 flow_spec_data[0]; + __aligned_u64 flow_spec_data[0]; }; struct ib_uverbs_flow_eth_filter { @@ -987,6 +985,19 @@ struct ib_uverbs_flow_spec_action_drop { }; }; +struct ib_uverbs_flow_spec_action_handle { + union { + struct ib_uverbs_flow_spec_hdr hdr; + struct { + __u32 type; + __u16 size; + __u16 reserved; + }; + }; + __u32 handle; + __u32 reserved1; +}; + struct ib_uverbs_flow_tunnel_filter { __be32 tunnel_id; }; @@ -1004,6 +1015,24 @@ struct ib_uverbs_flow_spec_tunnel { struct ib_uverbs_flow_tunnel_filter mask; }; +struct ib_uverbs_flow_spec_esp_filter { + __u32 spi; + __u32 seq; +}; + +struct ib_uverbs_flow_spec_esp { + union { + struct ib_uverbs_flow_spec_hdr hdr; + struct { + __u32 type; + __u16 size; + __u16 reserved; + }; + }; + struct ib_uverbs_flow_spec_esp_filter val; + struct ib_uverbs_flow_spec_esp_filter mask; +}; + struct ib_uverbs_flow_attr { __u32 type; __u16 size; @@ -1036,18 +1065,18 @@ struct ib_uverbs_destroy_flow { }; struct ib_uverbs_create_srq { - __u64 response; - __u64 user_handle; + __aligned_u64 response; + __aligned_u64 user_handle; __u32 pd_handle; __u32 max_wr; __u32 max_sge; __u32 srq_limit; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_create_xsrq { - __u64 response; - __u64 user_handle; + __aligned_u64 response; + __aligned_u64 user_handle; __u32 srq_type; __u32 pd_handle; __u32 max_wr; @@ -1056,7 +1085,7 @@ struct ib_uverbs_create_xsrq { __u32 max_num_tags; __u32 xrcd_handle; __u32 cq_handle; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_create_srq_resp { @@ -1071,14 +1100,14 @@ struct ib_uverbs_modify_srq { __u32 attr_mask; __u32 max_wr; __u32 srq_limit; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_query_srq { - __u64 response; + __aligned_u64 response; __u32 srq_handle; __u32 reserved; - __u64 driver_data[0]; + __aligned_u64 driver_data[0]; }; struct ib_uverbs_query_srq_resp { @@ -1089,7 +1118,7 @@ struct ib_uverbs_query_srq_resp { }; struct ib_uverbs_destroy_srq { - __u64 response; + __aligned_u64 response; __u32 srq_handle; __u32 reserved; }; @@ -1101,7 +1130,7 @@ struct ib_uverbs_destroy_srq_resp { struct ib_uverbs_ex_create_wq { __u32 comp_mask; __u32 wq_type; - __u64 user_handle; + __aligned_u64 user_handle; __u32 pd_handle; __u32 cq_handle; __u32 max_wr; diff --git a/include/uapi/rdma/mlx4-abi.h b/include/uapi/rdma/mlx4-abi.h index 7f9c37346613..04f64bc4045f 100644 --- a/include/uapi/rdma/mlx4-abi.h +++ b/include/uapi/rdma/mlx4-abi.h @@ -59,6 +59,10 @@ struct mlx4_ib_alloc_ucontext_resp_v3 { __u16 bf_regs_per_page; }; +enum { + MLX4_USER_DEV_CAP_LARGE_CQE = 1L << 0, +}; + struct mlx4_ib_alloc_ucontext_resp { __u32 dev_caps; __u32 qp_tab_size; @@ -73,8 +77,8 @@ struct mlx4_ib_alloc_pd_resp { }; struct mlx4_ib_create_cq { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; }; struct mlx4_ib_create_cq_resp { @@ -83,12 +87,12 @@ struct mlx4_ib_create_cq_resp { }; struct mlx4_ib_resize_cq { - __u64 buf_addr; + __aligned_u64 buf_addr; }; struct mlx4_ib_create_srq { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; }; struct mlx4_ib_create_srq_resp { @@ -97,7 +101,7 @@ struct mlx4_ib_create_srq_resp { }; struct mlx4_ib_create_qp_rss { - __u64 rx_hash_fields_mask; /* Use enum mlx4_ib_rx_hash_fields */ + __aligned_u64 rx_hash_fields_mask; /* Use enum mlx4_ib_rx_hash_fields */ __u8 rx_hash_function; /* Use enum mlx4_ib_rx_hash_function_flags */ __u8 reserved[7]; __u8 rx_hash_key[40]; @@ -106,8 +110,8 @@ struct mlx4_ib_create_qp_rss { }; struct mlx4_ib_create_qp { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; __u8 log_sq_bb_count; __u8 log_sq_stride; __u8 sq_no_prefetch; @@ -116,8 +120,8 @@ struct mlx4_ib_create_qp { }; struct mlx4_ib_create_wq { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; __u8 log_range_size; __u8 reserved[3]; __u32 comp_mask; @@ -156,4 +160,32 @@ enum mlx4_ib_rx_hash_fields { MLX4_IB_RX_HASH_INNER = 1ULL << 31, }; +struct mlx4_ib_rss_caps { + __aligned_u64 rx_hash_fields_mask; /* enum mlx4_ib_rx_hash_fields */ + __u8 rx_hash_function; /* enum mlx4_ib_rx_hash_function_flags */ + __u8 reserved[7]; +}; + +enum query_device_resp_mask { + MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, +}; + +struct mlx4_ib_tso_caps { + __u32 max_tso; /* Maximum tso payload size in bytes */ + /* Corresponding bit will be set if qp type from + * 'enum ib_qp_type' is supported. + */ + __u32 supported_qpts; +}; + +struct mlx4_uverbs_ex_query_device_resp { + __u32 comp_mask; + __u32 response_length; + __aligned_u64 hca_core_clock_offset; + __u32 max_inl_recv_sz; + __u32 reserved; + struct mlx4_ib_rss_caps rss_caps; + struct mlx4_ib_tso_caps tso_caps; +}; + #endif /* MLX4_ABI_USER_H */ diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index 1111aa4e7c1e..cb4a02c4a1ce 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -84,7 +84,7 @@ struct mlx5_ib_alloc_ucontext_req_v2 { __u8 reserved0; __u16 reserved1; __u32 reserved2; - __u64 lib_caps; + __aligned_u64 lib_caps; }; enum mlx5_ib_alloc_ucontext_resp_mask { @@ -107,6 +107,14 @@ enum mlx5_user_inline_mode { MLX5_USER_INLINE_MODE_TCP_UDP, }; +enum { + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM = 1 << 0, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA = 1 << 1, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING = 1 << 2, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD = 1 << 3, + MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN = 1 << 4, +}; + struct mlx5_ib_alloc_ucontext_resp { __u32 qp_tab_size; __u32 bf_reg_size; @@ -118,14 +126,14 @@ struct mlx5_ib_alloc_ucontext_resp { __u32 max_recv_wr; __u32 max_srq_recv_wr; __u16 num_ports; - __u16 reserved1; + __u16 flow_action_flags; __u32 comp_mask; __u32 response_length; __u8 cqe_version; __u8 cmds_supp_uhw; __u8 eth_min_inline; __u8 clock_info_versions; - __u64 hca_core_clock_offset; + __aligned_u64 hca_core_clock_offset; __u32 log_uar_size; __u32 num_uars_per_page; __u32 num_dyn_bfregs; @@ -147,7 +155,7 @@ struct mlx5_ib_tso_caps { }; struct mlx5_ib_rss_caps { - __u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */ + __aligned_u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */ __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */ __u8 reserved[7]; }; @@ -163,6 +171,10 @@ struct mlx5_ib_cqe_comp_caps { __u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */ }; +enum mlx5_ib_packet_pacing_cap_flags { + MLX5_IB_PP_SUPPORT_BURST = 1 << 0, +}; + struct mlx5_packet_pacing_caps { __u32 qp_rate_limit_min; __u32 qp_rate_limit_max; /* In kpbs */ @@ -172,7 +184,8 @@ struct mlx5_packet_pacing_caps { * supported_qpts |= 1 << IB_QPT_RAW_PACKET */ __u32 supported_qpts; - __u32 reserved; + __u8 cap_flags; /* enum mlx5_ib_packet_pacing_cap_flags */ + __u8 reserved[3]; }; enum mlx5_ib_mpw_caps { @@ -243,8 +256,8 @@ enum mlx5_ib_create_cq_flags { }; struct mlx5_ib_create_cq { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; __u32 cqe_size; __u8 cqe_comp_en; __u8 cqe_comp_res_format; @@ -257,15 +270,15 @@ struct mlx5_ib_create_cq_resp { }; struct mlx5_ib_resize_cq { - __u64 buf_addr; + __aligned_u64 buf_addr; __u16 cqe_size; __u16 reserved0; __u32 reserved1; }; struct mlx5_ib_create_srq { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; __u32 flags; __u32 reserved0; /* explicit padding (optional on i386) */ __u32 uidx; @@ -278,8 +291,8 @@ struct mlx5_ib_create_srq_resp { }; struct mlx5_ib_create_qp { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; __u32 sq_wqe_count; __u32 rq_wqe_count; __u32 rq_wqe_shift; @@ -287,8 +300,8 @@ struct mlx5_ib_create_qp { __u32 uidx; __u32 bfreg_index; union { - __u64 sq_buf_addr; - __u64 access_key; + __aligned_u64 sq_buf_addr; + __aligned_u64 access_key; }; }; @@ -314,12 +327,13 @@ enum mlx5_rx_hash_fields { MLX5_RX_HASH_DST_PORT_TCP = 1 << 5, MLX5_RX_HASH_SRC_PORT_UDP = 1 << 6, MLX5_RX_HASH_DST_PORT_UDP = 1 << 7, + MLX5_RX_HASH_IPSEC_SPI = 1 << 8, /* Save bits for future fields */ MLX5_RX_HASH_INNER = (1UL << 31), }; struct mlx5_ib_create_qp_rss { - __u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */ + __aligned_u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */ __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */ __u8 rx_key_len; /* valid only for Toeplitz */ __u8 reserved[6]; @@ -330,6 +344,7 @@ struct mlx5_ib_create_qp_rss { struct mlx5_ib_create_qp_resp { __u32 bfreg_index; + __u32 reserved; }; struct mlx5_ib_alloc_mw { @@ -344,8 +359,8 @@ enum mlx5_ib_create_wq_mask { }; struct mlx5_ib_create_wq { - __u64 buf_addr; - __u64 db_addr; + __aligned_u64 buf_addr; + __aligned_u64 db_addr; __u32 rq_wqe_count; __u32 rq_wqe_shift; __u32 user_index; @@ -362,6 +377,18 @@ struct mlx5_ib_create_ah_resp { __u8 reserved[6]; }; +struct mlx5_ib_burst_info { + __u32 max_burst_sz; + __u16 typical_pkt_sz; + __u16 reserved; +}; + +struct mlx5_ib_modify_qp { + __u32 comp_mask; + struct mlx5_ib_burst_info burst_info; + __u32 reserved; +}; + struct mlx5_ib_modify_qp_resp { __u32 response_length; __u32 dctn; @@ -385,13 +412,13 @@ struct mlx5_ib_modify_wq { struct mlx5_ib_clock_info { __u32 sign; __u32 resv; - __u64 nsec; - __u64 cycles; - __u64 frac; + __aligned_u64 nsec; + __aligned_u64 cycles; + __aligned_u64 frac; __u32 mult; __u32 shift; - __u64 mask; - __u64 overflow_period; + __aligned_u64 mask; + __aligned_u64 overflow_period; }; enum mlx5_ib_mmap_cmd { @@ -403,6 +430,7 @@ enum mlx5_ib_mmap_cmd { MLX5_IB_MMAP_CORE_CLOCK = 5, MLX5_IB_MMAP_ALLOC_WC = 6, MLX5_IB_MMAP_CLOCK_INFO = 7, + MLX5_IB_MMAP_DEVICE_MEM = 8, }; enum { diff --git a/include/uapi/rdma/mlx5_user_ioctl_cmds.h b/include/uapi/rdma/mlx5_user_ioctl_cmds.h new file mode 100644 index 000000000000..f7d685ef2d1f --- /dev/null +++ b/include/uapi/rdma/mlx5_user_ioctl_cmds.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef MLX5_USER_IOCTL_CMDS_H +#define MLX5_USER_IOCTL_CMDS_H + +#include <rdma/ib_user_ioctl_cmds.h> + +enum mlx5_ib_create_flow_action_attrs { + /* This attribute belong to the driver namespace */ + MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS = (1U << UVERBS_ID_NS_SHIFT), +}; + +enum mlx5_ib_alloc_dm_attrs { + MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET = (1U << UVERBS_ID_NS_SHIFT), + MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX, +}; + +#endif diff --git a/include/uapi/rdma/mlx5_user_ioctl_verbs.h b/include/uapi/rdma/mlx5_user_ioctl_verbs.h new file mode 100644 index 000000000000..8a2fb33f3ed4 --- /dev/null +++ b/include/uapi/rdma/mlx5_user_ioctl_verbs.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef MLX5_USER_IOCTL_VERBS_H +#define MLX5_USER_IOCTL_VERBS_H + +#include <linux/types.h> + +enum mlx5_ib_uapi_flow_action_flags { + MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA = 1 << 0, +}; + +#endif + diff --git a/include/uapi/rdma/mthca-abi.h b/include/uapi/rdma/mthca-abi.h index 3020d8a907a7..ac756cd9e807 100644 --- a/include/uapi/rdma/mthca-abi.h +++ b/include/uapi/rdma/mthca-abi.h @@ -74,8 +74,8 @@ struct mthca_reg_mr { struct mthca_create_cq { __u32 lkey; __u32 pdn; - __u64 arm_db_page; - __u64 set_db_page; + __aligned_u64 arm_db_page; + __aligned_u64 set_db_page; __u32 arm_db_index; __u32 set_db_index; }; @@ -93,7 +93,7 @@ struct mthca_resize_cq { struct mthca_create_srq { __u32 lkey; __u32 db_index; - __u64 db_page; + __aligned_u64 db_page; }; struct mthca_create_srq_resp { @@ -104,8 +104,8 @@ struct mthca_create_srq_resp { struct mthca_create_qp { __u32 lkey; __u32 reserved; - __u64 sq_db_page; - __u64 rq_db_page; + __aligned_u64 sq_db_page; + __aligned_u64 rq_db_page; __u32 sq_db_index; __u32 rq_db_index; }; diff --git a/include/uapi/rdma/nes-abi.h b/include/uapi/rdma/nes-abi.h index f5b2437aab28..35bfd4015d07 100644 --- a/include/uapi/rdma/nes-abi.h +++ b/include/uapi/rdma/nes-abi.h @@ -72,14 +72,14 @@ struct nes_alloc_pd_resp { }; struct nes_create_cq_req { - __u64 user_cq_buffer; + __aligned_u64 user_cq_buffer; __u32 mcrqf; __u8 reserved[4]; }; struct nes_create_qp_req { - __u64 user_wqe_buffers; - __u64 user_qp_buffer; + __aligned_u64 user_wqe_buffers; + __aligned_u64 user_qp_buffer; }; enum iwnes_memreg_type { diff --git a/include/uapi/rdma/ocrdma-abi.h b/include/uapi/rdma/ocrdma-abi.h index ad64a3cea1cd..284d47b41f6e 100644 --- a/include/uapi/rdma/ocrdma-abi.h +++ b/include/uapi/rdma/ocrdma-abi.h @@ -55,17 +55,17 @@ struct ocrdma_alloc_ucontext_resp { __u32 wqe_size; __u32 max_inline_data; __u32 dpp_wqe_size; - __u64 ah_tbl_page; + __aligned_u64 ah_tbl_page; __u32 ah_tbl_len; __u32 rqe_size; __u8 fw_ver[32]; /* for future use/new features in progress */ - __u64 rsvd1; - __u64 rsvd2; + __aligned_u64 rsvd1; + __aligned_u64 rsvd2; }; struct ocrdma_alloc_pd_ureq { - __u64 rsvd1; + __u32 rsvd[2]; }; struct ocrdma_alloc_pd_uresp { @@ -73,7 +73,7 @@ struct ocrdma_alloc_pd_uresp { __u32 dpp_enabled; __u32 dpp_page_addr_hi; __u32 dpp_page_addr_lo; - __u64 rsvd1; + __u32 rsvd[2]; }; struct ocrdma_create_cq_ureq { @@ -87,13 +87,13 @@ struct ocrdma_create_cq_uresp { __u32 page_size; __u32 num_pages; __u32 max_hw_cqe; - __u64 page_addr[MAX_CQ_PAGES]; - __u64 db_page_addr; + __aligned_u64 page_addr[MAX_CQ_PAGES]; + __aligned_u64 db_page_addr; __u32 db_page_size; __u32 phase_change; /* for future use/new features in progress */ - __u64 rsvd1; - __u64 rsvd2; + __aligned_u64 rsvd1; + __aligned_u64 rsvd2; }; #define MAX_QP_PAGES 8 @@ -115,9 +115,9 @@ struct ocrdma_create_qp_uresp { __u32 rq_page_size; __u32 num_sq_pages; __u32 num_rq_pages; - __u64 sq_page_addr[MAX_QP_PAGES]; - __u64 rq_page_addr[MAX_QP_PAGES]; - __u64 db_page_addr; + __aligned_u64 sq_page_addr[MAX_QP_PAGES]; + __aligned_u64 rq_page_addr[MAX_QP_PAGES]; + __aligned_u64 db_page_addr; __u32 db_page_size; __u32 dpp_credit; __u32 dpp_offset; @@ -126,8 +126,8 @@ struct ocrdma_create_qp_uresp { __u32 db_sq_offset; __u32 db_rq_offset; __u32 db_shift; - __u64 rsvd[11]; -} __packed; + __aligned_u64 rsvd[11]; +}; struct ocrdma_create_srq_uresp { __u16 rq_dbid; @@ -137,16 +137,16 @@ struct ocrdma_create_srq_uresp { __u32 rq_page_size; __u32 num_rq_pages; - __u64 rq_page_addr[MAX_QP_PAGES]; - __u64 db_page_addr; + __aligned_u64 rq_page_addr[MAX_QP_PAGES]; + __aligned_u64 db_page_addr; __u32 db_page_size; __u32 num_rqe_allocated; __u32 db_rq_offset; __u32 db_shift; - __u64 rsvd2; - __u64 rsvd3; + __aligned_u64 rsvd2; + __aligned_u64 rsvd3; }; #endif /* OCRDMA_ABI_USER_H */ diff --git a/include/uapi/rdma/qedr-abi.h b/include/uapi/rdma/qedr-abi.h index 261c6db4623e..8ba098900e9a 100644 --- a/include/uapi/rdma/qedr-abi.h +++ b/include/uapi/rdma/qedr-abi.h @@ -40,7 +40,7 @@ /* user kernel communication data structures. */ struct qedr_alloc_ucontext_resp { - __u64 db_pa; + __aligned_u64 db_pa; __u32 db_size; __u32 max_send_wr; @@ -53,24 +53,27 @@ struct qedr_alloc_ucontext_resp { __u8 dpm_enabled; __u8 wids_enabled; __u16 wid_count; + __u32 reserved; }; struct qedr_alloc_pd_ureq { - __u64 rsvd1; + __aligned_u64 rsvd1; }; struct qedr_alloc_pd_uresp { __u32 pd_id; + __u32 reserved; }; struct qedr_create_cq_ureq { - __u64 addr; - __u64 len; + __aligned_u64 addr; + __aligned_u64 len; }; struct qedr_create_cq_uresp { __u32 db_offset; __u16 icid; + __u16 reserved; }; struct qedr_create_qp_ureq { @@ -79,17 +82,17 @@ struct qedr_create_qp_ureq { /* SQ */ /* user space virtual address of SQ buffer */ - __u64 sq_addr; + __aligned_u64 sq_addr; /* length of SQ buffer */ - __u64 sq_len; + __aligned_u64 sq_len; /* RQ */ /* user space virtual address of RQ buffer */ - __u64 rq_addr; + __aligned_u64 rq_addr; /* length of RQ buffer */ - __u64 rq_len; + __aligned_u64 rq_len; }; struct qedr_create_qp_uresp { @@ -105,6 +108,7 @@ struct qedr_create_qp_uresp { __u16 rq_icid; __u32 rq_db2_offset; + __u32 reserved; }; #endif /* __QEDR_USER_H__ */ diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index 4c77e2a7b07e..0ce0943fc808 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -238,6 +238,14 @@ enum rdma_nldev_command { RDMA_NLDEV_CMD_RES_QP_GET, /* can dump */ + RDMA_NLDEV_CMD_RES_CM_ID_GET, /* can dump */ + + RDMA_NLDEV_CMD_RES_CQ_GET, /* can dump */ + + RDMA_NLDEV_CMD_RES_MR_GET, /* can dump */ + + RDMA_NLDEV_CMD_RES_PD_GET, /* can dump */ + RDMA_NLDEV_NUM_OPS }; @@ -350,6 +358,49 @@ enum rdma_nldev_attr { */ RDMA_NLDEV_ATTR_RES_KERN_NAME, /* string */ + RDMA_NLDEV_ATTR_RES_CM_ID, /* nested table */ + RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY, /* nested table */ + /* + * rdma_cm_id port space. + */ + RDMA_NLDEV_ATTR_RES_PS, /* u32 */ + /* + * Source and destination socket addresses + */ + RDMA_NLDEV_ATTR_RES_SRC_ADDR, /* __kernel_sockaddr_storage */ + RDMA_NLDEV_ATTR_RES_DST_ADDR, /* __kernel_sockaddr_storage */ + + RDMA_NLDEV_ATTR_RES_CQ, /* nested table */ + RDMA_NLDEV_ATTR_RES_CQ_ENTRY, /* nested table */ + RDMA_NLDEV_ATTR_RES_CQE, /* u32 */ + RDMA_NLDEV_ATTR_RES_USECNT, /* u64 */ + RDMA_NLDEV_ATTR_RES_POLL_CTX, /* u8 */ + + RDMA_NLDEV_ATTR_RES_MR, /* nested table */ + RDMA_NLDEV_ATTR_RES_MR_ENTRY, /* nested table */ + RDMA_NLDEV_ATTR_RES_RKEY, /* u32 */ + RDMA_NLDEV_ATTR_RES_LKEY, /* u32 */ + RDMA_NLDEV_ATTR_RES_IOVA, /* u64 */ + RDMA_NLDEV_ATTR_RES_MRLEN, /* u64 */ + + RDMA_NLDEV_ATTR_RES_PD, /* nested table */ + RDMA_NLDEV_ATTR_RES_PD_ENTRY, /* nested table */ + RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY, /* u32 */ + RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, /* u32 */ + + /* + * Provides logical name and index of netdevice which is + * connected to physical port. This information is relevant + * for RoCE and iWARP. + * + * The netdevices which are associated with containers are + * supposed to be exported together with GID table once it + * will be exposed through the netlink. Because the + * associated netdevices are properties of GIDs. + */ + RDMA_NLDEV_ATTR_NDEV_INDEX, /* u32 */ + RDMA_NLDEV_ATTR_NDEV_NAME, /* string */ + RDMA_NLDEV_ATTR_MAX }; #endif /* _UAPI_RDMA_NETLINK_H */ diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h index c83ef0026079..e1269024af47 100644 --- a/include/uapi/rdma/rdma_user_cm.h +++ b/include/uapi/rdma/rdma_user_cm.h @@ -70,6 +70,14 @@ enum { RDMA_USER_CM_CMD_JOIN_MCAST }; +/* See IBTA Annex A11, servies ID bytes 4 & 5 */ +enum rdma_ucm_port_space { + RDMA_PS_IPOIB = 0x0002, + RDMA_PS_IB = 0x013F, + RDMA_PS_TCP = 0x0106, + RDMA_PS_UDP = 0x0111, +}; + /* * command ABI structures. */ @@ -80,9 +88,9 @@ struct rdma_ucm_cmd_hdr { }; struct rdma_ucm_create_id { - __u64 uid; - __u64 response; - __u16 ps; + __aligned_u64 uid; + __aligned_u64 response; + __u16 ps; /* use enum rdma_ucm_port_space */ __u8 qp_type; __u8 reserved[5]; }; @@ -92,7 +100,7 @@ struct rdma_ucm_create_id_resp { }; struct rdma_ucm_destroy_id { - __u64 response; + __aligned_u64 response; __u32 id; __u32 reserved; }; @@ -102,7 +110,7 @@ struct rdma_ucm_destroy_id_resp { }; struct rdma_ucm_bind_ip { - __u64 response; + __aligned_u64 response; struct sockaddr_in6 addr; __u32 id; }; @@ -143,13 +151,13 @@ enum { }; struct rdma_ucm_query { - __u64 response; + __aligned_u64 response; __u32 id; __u32 option; }; struct rdma_ucm_query_route_resp { - __u64 node_guid; + __aligned_u64 node_guid; struct ib_user_path_rec ib_route[2]; struct sockaddr_in6 src_addr; struct sockaddr_in6 dst_addr; @@ -159,7 +167,7 @@ struct rdma_ucm_query_route_resp { }; struct rdma_ucm_query_addr_resp { - __u64 node_guid; + __aligned_u64 node_guid; __u8 port_num; __u8 reserved; __u16 pkey; @@ -210,7 +218,7 @@ struct rdma_ucm_listen { }; struct rdma_ucm_accept { - __u64 uid; + __aligned_u64 uid; struct rdma_ucm_conn_param conn_param; __u32 id; __u32 reserved; @@ -228,7 +236,7 @@ struct rdma_ucm_disconnect { }; struct rdma_ucm_init_qp_attr { - __u64 response; + __aligned_u64 response; __u32 id; __u32 qp_state; }; @@ -239,8 +247,8 @@ struct rdma_ucm_notify { }; struct rdma_ucm_join_ip_mcast { - __u64 response; /* rdma_ucm_create_id_resp */ - __u64 uid; + __aligned_u64 response; /* rdma_ucm_create_id_resp */ + __aligned_u64 uid; struct sockaddr_in6 addr; __u32 id; }; @@ -253,8 +261,8 @@ enum { }; struct rdma_ucm_join_mcast { - __u64 response; /* rdma_ucma_create_id_resp */ - __u64 uid; + __aligned_u64 response; /* rdma_ucma_create_id_resp */ + __aligned_u64 uid; __u32 id; __u16 addr_size; __u16 join_flags; @@ -262,18 +270,23 @@ struct rdma_ucm_join_mcast { }; struct rdma_ucm_get_event { - __u64 response; + __aligned_u64 response; }; struct rdma_ucm_event_resp { - __u64 uid; + __aligned_u64 uid; __u32 id; __u32 event; __u32 status; + /* + * NOTE: This union is not aligned to 8 bytes so none of the union + * members may contain a u64 or anything with higher alignment than 4. + */ union { struct rdma_ucm_conn_param conn; struct rdma_ucm_ud_param ud; } param; + __u32 reserved; }; /* Option levels */ @@ -291,7 +304,7 @@ enum { }; struct rdma_ucm_set_option { - __u64 optval; + __aligned_u64 optval; __u32 id; __u32 level; __u32 optname; @@ -299,7 +312,7 @@ struct rdma_ucm_set_option { }; struct rdma_ucm_migrate_id { - __u64 response; + __aligned_u64 response; __u32 id; __u32 fd; }; diff --git a/include/uapi/rdma/rdma_user_ioctl.h b/include/uapi/rdma/rdma_user_ioctl.h index 46de0885e800..d223f4164a0f 100644 --- a/include/uapi/rdma/rdma_user_ioctl.h +++ b/include/uapi/rdma/rdma_user_ioctl.h @@ -34,49 +34,13 @@ #ifndef RDMA_USER_IOCTL_H #define RDMA_USER_IOCTL_H -#include <linux/types.h> -#include <linux/ioctl.h> #include <rdma/ib_user_mad.h> #include <rdma/hfi/hfi1_ioctl.h> +#include <rdma/rdma_user_ioctl_cmds.h> -/* Documentation/ioctl/ioctl-number.txt */ -#define RDMA_IOCTL_MAGIC 0x1b /* Legacy name, for user space application which already use it */ #define IB_IOCTL_MAGIC RDMA_IOCTL_MAGIC -#define RDMA_VERBS_IOCTL \ - _IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr) - -#define UVERBS_ID_NS_MASK 0xF000 -#define UVERBS_ID_NS_SHIFT 12 - -enum { - /* User input */ - UVERBS_ATTR_F_MANDATORY = 1U << 0, - /* - * Valid output bit should be ignored and considered set in - * mandatory fields. This bit is kernel output. - */ - UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1, -}; - -struct ib_uverbs_attr { - __u16 attr_id; /* command specific type attribute */ - __u16 len; /* only for pointers */ - __u16 flags; /* combination of UVERBS_ATTR_F_XXXX */ - __u16 reserved; - __aligned_u64 data; /* ptr to command, inline data or idr/fd */ -}; - -struct ib_uverbs_ioctl_hdr { - __u16 length; - __u16 object_id; - __u16 method_id; - __u16 num_attrs; - __aligned_u64 reserved; - struct ib_uverbs_attr attrs[0]; -}; - /* * General blocks assignments * It is closed on purpose do not expose it it user space diff --git a/include/uapi/rdma/rdma_user_ioctl_cmds.h b/include/uapi/rdma/rdma_user_ioctl_cmds.h new file mode 100644 index 000000000000..1da5a1e1f3a8 --- /dev/null +++ b/include/uapi/rdma/rdma_user_ioctl_cmds.h @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef RDMA_USER_IOCTL_CMDS_H +#define RDMA_USER_IOCTL_CMDS_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +/* Documentation/ioctl/ioctl-number.txt */ +#define RDMA_IOCTL_MAGIC 0x1b +#define RDMA_VERBS_IOCTL \ + _IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr) + +enum { + /* User input */ + UVERBS_ATTR_F_MANDATORY = 1U << 0, + /* + * Valid output bit should be ignored and considered set in + * mandatory fields. This bit is kernel output. + */ + UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1, +}; + +struct ib_uverbs_attr { + __u16 attr_id; /* command specific type attribute */ + __u16 len; /* only for pointers */ + __u16 flags; /* combination of UVERBS_ATTR_F_XXXX */ + union { + struct { + __u8 elem_id; + __u8 reserved; + } enum_data; + __u16 reserved; + } attr_data; + __aligned_u64 data; /* ptr to command, inline data or idr/fd */ +}; + +struct ib_uverbs_ioctl_hdr { + __u16 length; + __u16 object_id; + __u16 method_id; + __u16 num_attrs; + __aligned_u64 reserved1; + __u32 driver_id; + __u32 reserved2; + struct ib_uverbs_attr attrs[0]; +}; + +enum rdma_driver_id { + RDMA_DRIVER_UNKNOWN, + RDMA_DRIVER_MLX5, + RDMA_DRIVER_MLX4, + RDMA_DRIVER_CXGB3, + RDMA_DRIVER_CXGB4, + RDMA_DRIVER_MTHCA, + RDMA_DRIVER_BNXT_RE, + RDMA_DRIVER_OCRDMA, + RDMA_DRIVER_NES, + RDMA_DRIVER_I40IW, + RDMA_DRIVER_VMW_PVRDMA, + RDMA_DRIVER_QEDR, + RDMA_DRIVER_HNS, + RDMA_DRIVER_USNIC, + RDMA_DRIVER_RXE, + RDMA_DRIVER_HFI1, + RDMA_DRIVER_QIB, +}; + +#endif diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h index bdeea948b2f3..1f8a9e7daea4 100644 --- a/include/uapi/rdma/rdma_user_rxe.h +++ b/include/uapi/rdma/rdma_user_rxe.h @@ -35,6 +35,9 @@ #define RDMA_USER_RXE_H #include <linux/types.h> +#include <linux/socket.h> +#include <linux/in.h> +#include <linux/in6.h> union rxe_gid { __u8 raw[16]; @@ -55,16 +58,17 @@ struct rxe_global_route { struct rxe_av { __u8 port_num; __u8 network_type; + __u16 reserved1; + __u32 reserved2; struct rxe_global_route grh; union { - struct sockaddr _sockaddr; struct sockaddr_in _sockaddr_in; struct sockaddr_in6 _sockaddr_in6; } sgid_addr, dgid_addr; }; struct rxe_send_wr { - __u64 wr_id; + __aligned_u64 wr_id; __u32 num_sge; __u32 opcode; __u32 send_flags; @@ -74,36 +78,42 @@ struct rxe_send_wr { } ex; union { struct { - __u64 remote_addr; + __aligned_u64 remote_addr; __u32 rkey; + __u32 reserved; } rdma; struct { - __u64 remote_addr; - __u64 compare_add; - __u64 swap; + __aligned_u64 remote_addr; + __aligned_u64 compare_add; + __aligned_u64 swap; __u32 rkey; + __u32 reserved; } atomic; struct { __u32 remote_qpn; __u32 remote_qkey; __u16 pkey_index; } ud; + /* reg is only used by the kernel and is not part of the uapi */ struct { - struct ib_mr *mr; + union { + struct ib_mr *mr; + __aligned_u64 reserved; + }; __u32 key; - int access; + __u32 access; } reg; } wr; }; struct rxe_sge { - __u64 addr; + __aligned_u64 addr; __u32 length; __u32 lkey; }; struct mminfo { - __u64 offset; + __aligned_u64 offset; __u32 size; __u32 pad; }; @@ -114,6 +124,7 @@ struct rxe_dma_info { __u32 cur_sge; __u32 num_sge; __u32 sge_offset; + __u32 reserved; union { __u8 inline_data[0]; struct rxe_sge sge[0]; @@ -125,7 +136,7 @@ struct rxe_send_wqe { struct rxe_av av; __u32 status; __u32 state; - __u64 iova; + __aligned_u64 iova; __u32 mask; __u32 first_psn; __u32 last_psn; @@ -136,10 +147,33 @@ struct rxe_send_wqe { }; struct rxe_recv_wqe { - __u64 wr_id; + __aligned_u64 wr_id; __u32 num_sge; __u32 padding; struct rxe_dma_info dma; }; +struct rxe_create_cq_resp { + struct mminfo mi; +}; + +struct rxe_resize_cq_resp { + struct mminfo mi; +}; + +struct rxe_create_qp_resp { + struct mminfo rq_mi; + struct mminfo sq_mi; +}; + +struct rxe_create_srq_resp { + struct mminfo mi; + __u32 srq_num; + __u32 reserved; +}; + +struct rxe_modify_srq_cmd { + __aligned_u64 mmap_info_addr; +}; + #endif /* RDMA_USER_RXE_H */ diff --git a/include/uapi/rdma/vmw_pvrdma-abi.h b/include/uapi/rdma/vmw_pvrdma-abi.h index 02ca0d0f1eb7..d13fd490b66d 100644 --- a/include/uapi/rdma/vmw_pvrdma-abi.h +++ b/include/uapi/rdma/vmw_pvrdma-abi.h @@ -143,7 +143,7 @@ struct pvrdma_alloc_pd_resp { }; struct pvrdma_create_cq { - __u64 buf_addr; + __aligned_u64 buf_addr; __u32 buf_size; __u32 reserved; }; @@ -154,13 +154,13 @@ struct pvrdma_create_cq_resp { }; struct pvrdma_resize_cq { - __u64 buf_addr; + __aligned_u64 buf_addr; __u32 buf_size; __u32 reserved; }; struct pvrdma_create_srq { - __u64 buf_addr; + __aligned_u64 buf_addr; __u32 buf_size; __u32 reserved; }; @@ -171,25 +171,25 @@ struct pvrdma_create_srq_resp { }; struct pvrdma_create_qp { - __u64 rbuf_addr; - __u64 sbuf_addr; + __aligned_u64 rbuf_addr; + __aligned_u64 sbuf_addr; __u32 rbuf_size; __u32 sbuf_size; - __u64 qp_addr; + __aligned_u64 qp_addr; }; /* PVRDMA masked atomic compare and swap */ struct pvrdma_ex_cmp_swap { - __u64 swap_val; - __u64 compare_val; - __u64 swap_mask; - __u64 compare_mask; + __aligned_u64 swap_val; + __aligned_u64 compare_val; + __aligned_u64 swap_mask; + __aligned_u64 compare_mask; }; /* PVRDMA masked atomic fetch and add */ struct pvrdma_ex_fetch_add { - __u64 add_val; - __u64 field_boundary; + __aligned_u64 add_val; + __aligned_u64 field_boundary; }; /* PVRDMA address vector. */ @@ -207,14 +207,14 @@ struct pvrdma_av { /* PVRDMA scatter/gather entry */ struct pvrdma_sge { - __u64 addr; + __aligned_u64 addr; __u32 length; __u32 lkey; }; /* PVRDMA receive queue work request */ struct pvrdma_rq_wqe_hdr { - __u64 wr_id; /* wr id */ + __aligned_u64 wr_id; /* wr id */ __u32 num_sge; /* size of s/g array */ __u32 total_len; /* reserved */ }; @@ -222,7 +222,7 @@ struct pvrdma_rq_wqe_hdr { /* PVRDMA send queue work request */ struct pvrdma_sq_wqe_hdr { - __u64 wr_id; /* wr id */ + __aligned_u64 wr_id; /* wr id */ __u32 num_sge; /* size of s/g array */ __u32 total_len; /* reserved */ __u32 opcode; /* operation type */ @@ -234,19 +234,19 @@ struct pvrdma_sq_wqe_hdr { __u32 reserved; union { struct { - __u64 remote_addr; + __aligned_u64 remote_addr; __u32 rkey; __u8 reserved[4]; } rdma; struct { - __u64 remote_addr; - __u64 compare_add; - __u64 swap; + __aligned_u64 remote_addr; + __aligned_u64 compare_add; + __aligned_u64 swap; __u32 rkey; __u32 reserved; } atomic; struct { - __u64 remote_addr; + __aligned_u64 remote_addr; __u32 log_arg_sz; __u32 rkey; union { @@ -255,13 +255,14 @@ struct pvrdma_sq_wqe_hdr { } wr_data; } masked_atomics; struct { - __u64 iova_start; - __u64 pl_pdir_dma; + __aligned_u64 iova_start; + __aligned_u64 pl_pdir_dma; __u32 page_shift; __u32 page_list_len; __u32 length; __u32 access_flags; __u32 rkey; + __u32 reserved; } fast_reg; struct { __u32 remote_qpn; @@ -274,8 +275,8 @@ struct pvrdma_sq_wqe_hdr { /* Completion queue element. */ struct pvrdma_cqe { - __u64 wr_id; - __u64 qp; + __aligned_u64 wr_id; + __aligned_u64 qp; __u32 opcode; __u32 status; __u32 byte_len; |