| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr, libsas) and
the usual minor updates and bug fixes but no significant core changes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (116 commits)
scsi: storvsc: Handle additional SRB status values
scsi: libsas: Delete sas_ata_task.retry_count
scsi: libsas: Delete sas_ata_task.stp_affil_pol
scsi: libsas: Delete sas_ata_task.set_affil_pol
scsi: libsas: Delete sas_ssp_task.task_prio
scsi: libsas: Delete sas_ssp_task.enable_first_burst
scsi: libsas: Delete sas_ssp_task.retry_count
scsi: libsas: Delete struct scsi_core
scsi: libsas: Delete enum sas_phy_type
scsi: libsas: Delete enum sas_class
scsi: libsas: Delete sas_ha_struct.lldd_module
scsi: target: Fix write perf due to unneeded throttling
scsi: lpfc: Do not abuse UUID APIs and LPFC_COMPRESS_VMID_SIZE
scsi: pm8001: Remove unused declarations
scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock
scsi: elx: sli4: Remove code duplication
scsi: bfa: Replace one-element array with flexible-array member in struct fc_rscn_pl_s
scsi: qla2xxx: Remove unused declarations
scsi: pmcraid: Use pci_dev_id() to simplify the code
scsi: pm80xx: Set RETFIS when requested by libsas
...
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Although the code for residual handling in the SRP initiator follows the
SCSI documentation, that documentation has never been correct. Because
scsi_finish_command() starts from the data buffer length and subtracts the
residual, scsi_set_resid() must not be called if a residual overflow
occurs. Hence remove the scsi_set_resid() calls from the SRP initiator if a
residual overflow occurrs.
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Fixes: 9237f04e12cc ("scsi: core: Fix scsi_get/set_resid() interface")
Fixes: e714531a349f ("IB/srp: Fix residual handling")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230724200843.3376570-3-bvanassche@acm.org
Acked-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull rdma updates from Jason Gunthorpe:
"Many small changes across the subystem, some highlights:
- Usual driver cleanups in qedr, siw, erdma, hfi1, mlx4/5, irdma,
mthca, hns, and bnxt_re
- siw now works over tunnel and other netdevs with a MAC address by
removing assumptions about a MAC/GID from the connection manager
- "Doorbell Pacing" for bnxt_re - this is a best effort scheme to
allow userspace to slow down the doorbell rings if the HW gets full
- irdma egress VLAN priority, better QP/WQ sizing
- rxe bug fixes in queue draining and srq resizing
- Support more ethernet speed options in the core layer
- DMABUF support for bnxt_re
- Multi-stage MTT support for erdma to allow much bigger MR
registrations
- A irdma fix with a CVE that came in too late to go to -rc, missing
bounds checking for 0 length MRs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (87 commits)
IB/hfi1: Reduce printing of errors during driver shut down
RDMA/hfi1: Move user SDMA system memory pinning code to its own file
RDMA/hfi1: Use list_for_each_entry() helper
RDMA/mlx5: Fix trailing */ formatting in block comment
RDMA/rxe: Fix redundant break statement in switch-case.
RDMA/efa: Fix wrong resources deallocation order
RDMA/siw: Call llist_reverse_order in siw_run_sq
RDMA/siw: Correct wrong debug message
RDMA/siw: Balance the reference of cep->kref in the error path
Revert "IB/isert: Fix incorrect release of isert connection"
RDMA/bnxt_re: Fix kernel doc errors
RDMA/irdma: Prevent zero-length STAG registration
RDMA/erdma: Implement hierarchical MTT
RDMA/erdma: Refactor the storage structure of MTT entries
RDMA/erdma: Renaming variable names and field names of struct erdma_mem
RDMA/hns: Support hns HW stats
RDMA/hns: Dump whole QP/CQ/MR resource in raw
RDMA/irdma: Add missing kernel-doc in irdma_setup_umode_qp()
RDMA/mlx4: Copy union directly
RDMA/irdma: Drop unused kernel push code
...
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The driver prints unnecessary prints for error conditions on shutdown
remove them to quiet it down.
Signed-off-by: Douglas Miller <doug.miller@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Link: https://lore.kernel.org/r/169271327832.1855761.3756156924805531643.stgit@awfm-02.cornelisnetworks.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Move user SDMA system memory page-pinning code from user_sdma.c to
pin_system.c. Put declarations for non-static functions in pinning.h.
System memory pinning is necessary for processing user SDMA requests but
actual steps are invisible to user SDMA request-processing code. Moving
system memory pinning code for user SDMA to its own file makes this
distinction apparent.
These changes have no effect on userspace.
Signed-off-by: Patrick Kelsey <pat.kelsey@cornelisnetworks.com>
Signed-off-by: Brendan Cunningham <bcunningham@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Link: https://lore.kernel.org/r/169271327311.1855761.4736714053318724062.stgit@awfm-02.cornelisnetworks.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Convert list_for_each() to list_for_each_entry() so that the pos list_head
pointer and list_entry() call are no longer needed, which can
reduce a few lines of code. No functional changed.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230822033539.3692453-1-ruanjinjie@huawei.com
Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Resolved a formatting issue where the trailing */ in a block comment
was placed on a same line instead of separate line.
Signed-off-by: Rohit Chavan <roheetchavan@gmail.com>
Link: https://lore.kernel.org/r/20230822120451.8215-1-roheetchavan@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Removed unreachable break statement after return.
Signed-off-by: Rohit Chavan <roheetchavan@gmail.com>
Link: https://lore.kernel.org/r/20230822091304.7312-1-roheetchavan@gmail.com
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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When trying to destroy QP or CQ, we first decrease the refcount and
potentially free memory regions allocated for the object and then
request the device to destroy the object. If the device fails, the
object isn't fully destroyed so the user/IB core can try to destroy the
object again which will lead to underflow when trying to decrease an
already zeroed refcount.
Deallocate resources in reverse order of allocating them to safely free
them.
Fixes: ff6629f88c52 ("RDMA/efa: Do not delay freeing of DMA pages")
Reviewed-by: Michael Margolin <mrgolin@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Yonatan Nachum <ynachum@amazon.com>
Link: https://lore.kernel.org/r/20230822082725.31719-1-ynachum@amazon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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We can call the function to get fifo list.
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20230821133255.31111-4-guoqing.jiang@linux.dev
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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We need to print num_sle first then pbl->max_buf per the condition.
Also replace mem->pbl with pbl while at it.
Fixes: 303ae1cdfdf7 ("rdma/siw: application interface")
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20230821133255.31111-3-guoqing.jiang@linux.dev
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The siw_connect can go to err in below after cep is allocated successfully:
1. If siw_cm_alloc_work returns failure. In this case socket is not
assoicated with cep so siw_cep_put can't be called by siw_socket_disassoc.
We need to call siw_cep_put twice since cep->kref is increased once after
it was initialized.
2. If siw_cm_queue_work can't find a work, which means siw_cep_get is not
called in siw_cm_queue_work, so cep->kref is increased twice by siw_cep_get
and when associate socket with cep after it was initialized. So we need to
call siw_cep_put three times (one in siw_socket_disassoc).
3. siw_send_mpareqrep returns error, this scenario is similar as 2.
So we need to remove one siw_cep_put in the error path.
Fixes: 6c52fdc244b5 ("rdma/siw: connection management")
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20230821133255.31111-2-guoqing.jiang@linux.dev
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Commit: 699826f4e30a ("IB/isert: Fix incorrect release of isert connection") is
causing problems on OPA when DEVICE_REMOVAL is happening.
------------[ cut here ]------------
WARNING: CPU: 52 PID: 2117247 at drivers/infiniband/core/cq.c:359
ib_cq_pool_cleanup+0xac/0xb0 [ib_core]
Modules linked in: nfsd nfs_acl target_core_user uio tcm_fc libfc
scsi_transport_fc tcm_loop target_core_pscsi target_core_iblock target_core_file
rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs
rfkill rpcrdma rdma_ucm ib_srpt sunrpc ib_isert iscsi_target_mod target_core_mod
opa_vnic ib_iser libiscsi ib_umad scsi_transport_iscsi rdma_cm ib_ipoib iw_cm
ib_cm hfi1(-) rdmavt ib_uverbs intel_rapl_msr intel_rapl_common sb_edac ib_core
x86_pkg_temp_thermal intel_powerclamp coretemp i2c_i801 mxm_wmi rapl iTCO_wdt
ipmi_si iTCO_vendor_support mei_me ipmi_devintf mei intel_cstate ioatdma
intel_uncore i2c_smbus joydev pcspkr lpc_ich ipmi_msghandler acpi_power_meter
acpi_pad xfs libcrc32c sr_mod sd_mod cdrom t10_pi sg crct10dif_pclmul
crc32_pclmul crc32c_intel drm_kms_helper drm_shmem_helper ahci libahci
ghash_clmulni_intel igb drm libata dca i2c_algo_bit wmi fuse
CPU: 52 PID: 2117247 Comm: modprobe Not tainted 6.5.0-rc1+ #1
Hardware name: Intel Corporation S2600CWR/S2600CW, BIOS
SE5C610.86B.01.01.0014.121820151719 12/18/2015
RIP: 0010:ib_cq_pool_cleanup+0xac/0xb0 [ib_core]
Code: ff 48 8b 43 40 48 8d 7b 40 48 83 e8 40 4c 39 e7 75 b3 49 83
c4 10 4d 39 fc 75 94 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc <0f> 0b eb a1
90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f
RSP: 0018:ffffc10bea13fc80 EFLAGS: 00010206
RAX: 000000000000010c RBX: ffff9bf5c7e66c00 RCX: 000000008020001d
RDX: 000000008020001e RSI: fffff175221f9900 RDI: ffff9bf5c7e67640
RBP: ffff9bf5c7e67600 R08: ffff9bf5c7e64400 R09: 000000008020001d
R10: 0000000040000000 R11: 0000000000000000 R12: ffff9bee4b1e8a18
R13: dead000000000122 R14: dead000000000100 R15: ffff9bee4b1e8a38
FS: 00007ff1e6d38740(0000) GS:ffff9bfd9fb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005652044ecc68 CR3: 0000000889b5c005 CR4: 00000000001706e0
Call Trace:
<TASK>
? __warn+0x80/0x130
? ib_cq_pool_cleanup+0xac/0xb0 [ib_core]
? report_bug+0x195/0x1a0
? handle_bug+0x3c/0x70
? exc_invalid_op+0x14/0x70
? asm_exc_invalid_op+0x16/0x20
? ib_cq_pool_cleanup+0xac/0xb0 [ib_core]
disable_device+0x9d/0x160 [ib_core]
__ib_unregister_device+0x42/0xb0 [ib_core]
ib_unregister_device+0x22/0x30 [ib_core]
rvt_unregister_device+0x20/0x90 [rdmavt]
hfi1_unregister_ib_device+0x16/0xf0 [hfi1]
remove_one+0x55/0x1a0 [hfi1]
pci_device_remove+0x36/0xa0
device_release_driver_internal+0x193/0x200
driver_detach+0x44/0x90
bus_remove_driver+0x69/0xf0
pci_unregister_driver+0x2a/0xb0
hfi1_mod_cleanup+0xc/0x3c [hfi1]
__do_sys_delete_module.constprop.0+0x17a/0x2f0
? exit_to_user_mode_prepare+0xc4/0xd0
? syscall_trace_enter.constprop.0+0x126/0x1a0
do_syscall_64+0x5c/0x90
? syscall_exit_to_user_mode+0x12/0x30
? do_syscall_64+0x69/0x90
? syscall_exit_work+0x103/0x130
? syscall_exit_to_user_mode+0x12/0x30
? do_syscall_64+0x69/0x90
? exc_page_fault+0x65/0x150
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7ff1e643f5ab
Code: 73 01 c3 48 8b 0d 75 a8 1b 00 f7 d8 64 89 01 48 83 c8 ff c3
66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0
ff ff 73 01 c3 48 8b 0d 45 a8 1b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffec9103cc8 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
RAX: ffffffffffffffda RBX: 00005615267fdc50 RCX: 00007ff1e643f5ab
RDX: 0000000000000000 RSI: 0000000000000800 RDI: 00005615267fdcb8
RBP: 00005615267fdc50 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ff1e659eac0 R11: 0000000000000206 R12: 00005615267fdcb8
R13: 0000000000000000 R14: 00005615267fdcb8 R15: 00007ffec9105ff8
</TASK>
---[ end trace 0000000000000000 ]---
And...
restrack: ------------[ cut here ]------------
infiniband hfi1_0: BUG: RESTRACK detected leak of resources
restrack: Kernel PD object allocated by ib_isert is not freed
restrack: Kernel CQ object allocated by ib_core is not freed
restrack: Kernel QP object allocated by rdma_cm is not freed
restrack: ------------[ cut here ]------------
Fixes: 699826f4e30a ("IB/isert: Fix incorrect release of isert connection")
Reported-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Closes: https://lore.kernel.org/all/921cd1d9-2879-f455-1f50-0053fe6a6655@cornelisnetworks.com
Link: https://lore.kernel.org/r/a27982d3235005c58f6d321f3fad5eb6e1beaf9e.1692604607.git.leonro@nvidia.com
Tested-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
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Fix set of the following errors due to use of wrong kernel doc format
to describe function parameters:
drivers/infiniband/hw/bnxt_re/qplib_rcfw.c:68: warning: Function parameter or member 'rcfw'
not described in '__wait_for_resp'
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308180600.oOnkIAQV-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202308180401.iaj2ktTc-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202308180214.Lt9NAhbM-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202308180055.6zM4AK6V-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202308172136.ipx1wvs6-lkp@intel.com/
Link: https://lore.kernel.org/r/4b22c385f1b68590ace8f82f2985d14b20999432.1692539554.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
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Currently irdma allows zero-length STAGs to be programmed in HW during
the kernel mode fast register flow. Zero-length MR or STAG registration
disable HW memory length checks.
Improve gaps in bounds checking in irdma by preventing zero-length STAG or
MR registrations except if the IB_PD_UNSAFE_GLOBAL_RKEY is set.
This addresses the disclosure CVE-2023-25775.
Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Christopher Bednarz <christopher.n.bednarz@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230818144838.1758-1-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Hierarchical MTT allows large MR registration without the need of
continuous physical address. This commit adds the support of hierarchical
MTT support for erdma.
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230817102151.75964-4-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Currently our MTT only support inline mtt entries (0 level MTT) and
indirect MTT entries (1 level mtt), which will limit the maximum length
of MRs. In order to implement a multi-level MTT, we refactor the
structure of MTT first.
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230817102151.75964-3-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Currently, variable names and field names of struct erdma_mem contain
'mtt', which is not accurate. Renaming them with 'xxx_mem' or 'mem'.
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230817102151.75964-2-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Support query hns HW stats for rdma-tool to help debugging.
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230816091812.2899366-3-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Currently, some fields in the QP/CQ/MR resource can be dumped by
rdma-tool, but this information is not enough. It is very
inconvenient to continue to expand on the current field, and it
will also introduce some trouble to parse these raw data.
This patch dump whole resource in raw to avoid the above problems.
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230816091812.2899366-2-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Fix the following warning reported by kbuild:
drivers/infiniband/hw/irdma/verbs.c:584: warning: Function parameter
or member 'udata' not described in 'irdma_setup_umode_qp'
Fixes: 3a8498720450 ("RDMA/irdma: Allow accurate reporting on QP max send/recv WR")
Link: https://lore.kernel.org/r/2c9bcd2b773c400a1699bd7973e22bfba1e4b379.1692260011.git.leonro@nvidia.com
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308171620.m4MNACWz-lkp@intel.com/
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Copy union directly instead of using memcpy().
Note that in this case, a direct assignment is more readable and
consistent with the subsequent assignments.
This addresses the following -Wstringop-overflow warning seen in s390
with defconfig:
drivers/infiniband/hw/mlx4/main.c:296:33: warning: writing 16 bytes into a region of size 0 [-Wstringop-overflow=]
296 | memcpy(&port_gid_table->gids[free].gid,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
297 | &attr->gid, sizeof(attr->gid));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This helps with the ongoing efforts to globally enable
-Wstringop-overflow.
Link: https://github.com/KSPP/linux/issues/308
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/ZNvimeRAPkJ24zRG@work
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The driver has code blocks for kernel push WQEs but does not
map the doorbell page rendering this mode non functional [1]
Remove code associated with this feature from the kernel fast
path as there is currently no plan of record to support this.
This also address a sparse issue reported by lkp.
drivers/infiniband/hw/irdma/uk.c:285:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected bool [usertype] push_wqe:1 @@ got restricted __le32 [usertype] *push_db @@
drivers/infiniband/hw/irdma/uk.c:285:24: sparse: expected bool [usertype] push_wqe:1
drivers/infiniband/hw/irdma/uk.c:285:24: sparse: got restricted __le32 [usertype] *push_db
drivers/infiniband/hw/irdma/uk.c:386:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected bool [usertype] push_wqe:1 @@ got restricted __le32 [usertype] *push_db @@
[1] https://lore.kernel.org/linux-rdma/20230815051809.GB22185@unreal/T/#t
Fixes: 272bba19d631 ("RDMA: Remove unnecessary ternary operators")
Fixes: 551c46edc769 ("RDMA/irdma: Add user/kernel shared libraries")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308110251.BV6BcwUR-lkp@intel.com/
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230816001209.1721-1-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Support the new verb which indicates dmabuf support. bnxt doesn't support
ODP. So use the pinned version of the dmabuf APIs to enable bnxt_re
devices to work as dmabuf importer.
Link: https://lore.kernel.org/r/1690790473-25850-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Syncrhonization is required to avoid simultaneous allocation
of the PD. Add a new mutex lock to handle allocation from
the PD table.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1692032419-21680-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Fix the missing dbq_lock mutex initialization
Fixes: 2ad4e6303a6d ("RDMA/bnxt_re: Implement doorbell pacing algorithm")
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1692032419-21680-1-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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When the Ethernet driver does not provide the number of lanes
in the __ethtool_get_link_ksettings() response, the function
ib_get_width_and_speed() does not take consideration of 50G,
100G and 200G speeds while calculating the IB width and speed.
Update the width and speed for the above netdev speeds.
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1690966823-8159-1-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Replace '0' with IB_SIGNAL_REQ_WR given the sq_sig_type is either
IB_SIGNAL_ALL_WR or IB_SIGNAL_REQ_WR per the below.
enum ib_sig_type {
IB_SIGNAL_ALL_WR,
IB_SIGNAL_REQ_WR
};
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20230731092106.10396-1-guoqing.jiang@linux.dev
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Commit c7bcb13442e1 ("RDMA/hns: Add SRQ support for hip08 kernel mode")
declared but never implemented this.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20230804130418.41728-1-yuehaibing@huawei.com
Reviewed-by: Junxian Huang <huangjunxian6@hisilicon.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Now that the driver core allows for struct class to be in read-only
memory, making all 'class' structures to be declared at build time
placing them into read-only memory, instead of having to be dynamically
allocated at load time.
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: "Md. Haris Iqbal" <haris.iqbal@ionos.com>
Cc: Jack Wang <jinpu.wang@ionos.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Yishai Hadas <yishaih@nvidia.com>
Cc: Ivan Orlov <ivan.orlov0322@gmail.com>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/2023080427-commuting-crewless-cbee@gregkh
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The NULL initialization of the pointers assigned by kzalloc() first is
not necessary, because if the kzalloc() failed, the pointers will be
assigned NULL, otherwise it works as usual. so remove it.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230804082102.3361961-1-ruanjinjie@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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smatch reports the warning below:
drivers/infiniband/core/uverbs_std_types_counters.c:110
ib_uverbs_handler_UVERBS_METHOD_COUNTERS_READ() error: 'uattr'
dereferencing possible ERR_PTR()
The return value of uattr maybe ERR_PTR(-ENOENT), fix this by checking
the value of uattr before using it.
Fixes: ebb6796bd397 ("IB/uverbs: Add read counters support")
Signed-off-by: Xiang Yang <xiangyang3@huawei.com>
Link: https://lore.kernel.org/r/20230804022525.1916766-1-xiangyang3@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Currently, the affinity between QP cache and CQ cache is not
considered when assigning QPN, it will affect the message rate of HW.
Allocate QPN from QP cache with better CQ affinity to get better
performance.
Fixes: 71586dd20010 ("RDMA/hns: Create QP with selected QPN for bank load balance")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230804012711.808069-5-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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This patch fixes inaccurate error label name in init instance.
Fixes: 70f92521584f ("RDMA/hns: Use the reserved loopback QPs to free MR before destroying MPT")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230804012711.808069-4-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Currently, direct wqe is not supported for wr-list. RoCE driver excludes
direct wqe for wr-list by judging whether the number of wr is 1.
For a wr-list where the second wr is a length-error atomic wr, the
post-send driver handles the first wr and adds 1 to the wr number counter
firstly. While handling the second wr, the driver finds out a length error
and terminates the wr handle process, remaining the counter at 1. This
causes the driver mistakenly judges there is only 1 wr and thus enters
the direct wqe process, carrying the current length-error atomic wqe.
This patch fixes the error by adding a judgement whether the current wr
is a bad wr. If so, use the normal doorbell process but not direct wqe
despite the wr number is 1.
Fixes: 01584a5edcc4 ("RDMA/hns: Add support of direct wqe")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230804012711.808069-3-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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HW supports a variety of different speed, but the current speed
is fixed.
The real speed should be querried from ethernet.
Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20230804012711.808069-2-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Remove unnecessary variable initializations.
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1691052326-32143-7-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Avoid memset by initializing the variables during
declaration itself.
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1691052326-32143-6-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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- Remove unnecessary memset by initializing the variables
during declaration itself.
- Arranged variable declarartion in RCT order.
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1691052326-32143-5-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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bnxt_qplib_rcfw_alloc_sbuf allocates 24 bytes and it is better to fit
on stack variables. This way we can avoid unwanted kmalloc call.
Call dma_alloc_coherent directly instead of wrapper
bnxt_qplib_rcfw_alloc_sbuf.
Also, FW expects the side buffer needs to be aligned to
BNXT_QPLIB_CMDQE_UNITS(16B). So align the size to have the
extra padding bytes.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Hongguang Gao <hongguang.gao@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1691052326-32143-4-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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After the cited commit, BNXT_RE_FLAG_GOT_MSIX is redundant.
Remove it.
Fixes: 303432211324 ("bnxt_en: Remove runtime interrupt vector allocation")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1691052326-32143-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Driver has not accounted QP1 for virtual functions
when fetching device attributes and hence max_qp
count is one less than active_qp count. Fixed driver
so that it counts QP1 for virtual functions as well
while fetching device attributes
Fixes: ccd9d0d3dffc ("RDMA/bnxt_re: Enable RoCE on virtual functions")
Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1691052326-32143-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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One-element and zero-length arrays are deprecated. So, replace
one-element array in struct irdma_qvlist_info with flexible-array
member.
A patch for this was sent a while ago[1]. However, it seems that, at
the time, the changes were partially folded[2][3], and the actual
flexible-array transformation was omitted. This patch fixes that.
The only binary difference seen before/after changes is shown below:
| drivers/infiniband/hw/irdma/hw.o
| @@ -868,7 +868,7 @@
| drivers/infiniband/hw/irdma/hw.c:484 (discriminator 2)
| size += struct_size(iw_qvlist, qv_info, rf->msix_count);
| 55b: imul $0x45c,%rdi,%rdi
|- 562: add $0x10,%rdi
|+ 562: add $0x4,%rdi
which is, of course, expected as it reflects the mistake made
while folding the patch I've mentioned above.
Worth mentioning is the fact that with this change we save 12 bytes
of memory, as can be inferred from the diff snapshot above. Notice
that:
$ pahole -C rdma_qv_info idrivers/infiniband/hw/irdma/hw.o
struct irdma_qv_info {
u32 v_idx; /* 0 4 */
u16 ceq_idx; /* 4 2 */
u16 aeq_idx; /* 6 2 */
u8 itr_idx; /* 8 1 */
/* size: 12, cachelines: 1, members: 4 */
/* padding: 3 */
/* last cacheline: 12 bytes */
};
Link: https://lore.kernel.org/linux-hardening/20210525230038.GA175516@embeddedor/ [1]
Link: https://lore.kernel.org/linux-hardening/bf46b428deef4e9e89b0ea1704b1f0e5@intel.com/ [2]
Link: https://lore.kernel.org/linux-rdma/20210520143809.819-1-shiraz.saleem@intel.com/T/#u [3]
Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/ZMpsQrZadBaJGkt4@work
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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commit b16f8188472e ("RDMA/hns: Refactor eq code for hip06") left behind
hns_roce_cleanup_eq_table().
commit 773f841ab1ae ("RDMA/hns: Avoid filling sgid index when modifying QP
to RTR") leave hns_get_gid_index() unused.
Remove both.
Link: https://lore.kernel.org/r/20230731135916.32392-1-yuehaibing@huawei.com
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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If a send packet is dropped by the IP layer in rxe_requester()
the call to rxe_xmit_packet() can fail with err == -EAGAIN.
To recover, the state of the wqe is restored to the state before
the packet was sent so it can be resent. However, the routines
that save and restore the state miss a significnt part of the
variable state in the wqe, the dma struct which is used to process
through the sge table. And, the state is not saved before the packet
is built which modifies the dma struct.
Under heavy stress testing with many QPs on a fast node sending
large messages to a slow node dropped packets are observed and
the resent packets are corrupted because the dma struct was not
restored. This patch fixes this behavior and allows the test cases
to succeed.
Fixes: 3050b9985024 ("IB/rxe: Fix race condition between requester and completer")
Link: https://lore.kernel.org/r/20230721200748.4604-1-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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This patch corrects an error in rxe_modify_srq where if the
caller changes the srq size the actual new value is not returned
to the caller since it may be larger than what is requested.
Additionally it open codes the subroutine rcv_wqe_size() which
adds very little value, and makes some whitespace changes.
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20230620140142.9452-1-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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If create_qp does not fully succeed it is possible for qp cleanup
code to attempt to drain the send or recv work queues before the
queues have been created causing a seg fault. This patch checks
to see if the queues exist before attempting to drain them.
Link: https://lore.kernel.org/r/20230620135519.9365-3-rpearsonhpe@gmail.com
Reported-by: syzbot+2da1965168e7dbcba136@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/linux-rdma/00000000000012d89205fe7cfe00@google.com/raw
Fixes: 49dc9c1f0c7e ("RDMA/rxe: Cleanup reset state handling in rxe_resp.c")
Fixes: fbdeb828a21f ("RDMA/rxe: Cleanup error state handling in rxe_comp.c")
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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This patch:
- Moves code to initialize a qp send work queue to a
subroutine named rxe_init_sq.
- Moves code to initialize a qp recv work queue to a
subroutine named rxe_init_rq.
- Moves initialization of qp request and response packet
queues ahead of work queue initialization so that cleanup
of a qp if it is not fully completed can successfully
attempt to drain the packet queues without a seg fault.
- Makes minor whitespace cleanups.
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20230620135519.9365-2-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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There are a little ternary operators, the true or false judgment
of which is unnecessary in C language semantics.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230731085118.394443-1-ruanjinjie@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The rx_dct_connect counter shows the number of received connection
requests for the associated DCTs.
Signed-off-by: Shetu Ayalew <shetu@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Link: https://lore.kernel.org/r/01cd24cd7f591734741309921fdc01fc770d84a8.1690121941.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
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