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-rw-r--r--drivers/nvme/host/Kconfig3
-rw-r--r--drivers/nvme/host/core.c7
-rw-r--r--drivers/nvme/host/fabrics.c5
-rw-r--r--drivers/nvme/host/fc.c37
-rw-r--r--drivers/nvme/host/multipath.c55
-rw-r--r--drivers/nvme/host/nvme.h8
-rw-r--r--drivers/nvme/host/rdma.c5
-rw-r--r--drivers/nvme/host/tcp.c5
8 files changed, 82 insertions, 43 deletions
diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig
index a44d49d63968..494675aeaaad 100644
--- a/drivers/nvme/host/Kconfig
+++ b/drivers/nvme/host/Kconfig
@@ -71,7 +71,8 @@ config NVME_FC
config NVME_TCP
tristate "NVM Express over Fabrics TCP host driver"
depends on INET
- depends on BLK_DEV_NVME
+ depends on BLOCK
+ select NVME_CORE
select NVME_FABRICS
select CRYPTO
select CRYPTO_CRC32C
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 522c9b229f80..66973bb56305 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2901,7 +2901,7 @@ static int nvme_init_identify(struct nvme_ctrl *ctrl)
ctrl->hmmaxd = le16_to_cpu(id->hmmaxd);
}
- ret = nvme_mpath_init(ctrl, id);
+ ret = nvme_mpath_init_identify(ctrl, id);
if (ret < 0)
goto out_free;
@@ -3485,8 +3485,10 @@ int nvme_cdev_add(struct cdev *cdev, struct device *cdev_device,
cdev_init(cdev, fops);
cdev->owner = owner;
ret = cdev_device_add(cdev, cdev_device);
- if (ret)
+ if (ret) {
+ put_device(cdev_device);
ida_simple_remove(&nvme_ns_chr_minor_ida, minor);
+ }
return ret;
}
@@ -4364,6 +4366,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
min(default_ps_max_latency_us, (unsigned long)S32_MAX));
nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device));
+ nvme_mpath_init_ctrl(ctrl);
return 0;
out_free_name:
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index a2bb7fc63a73..34a84d2086c7 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -336,6 +336,11 @@ static void nvmf_log_connect_error(struct nvme_ctrl *ctrl,
cmd->connect.recfmt);
break;
+ case NVME_SC_HOST_PATH_ERROR:
+ dev_err(ctrl->device,
+ "Connect command failed: host path error\n");
+ break;
+
default:
dev_err(ctrl->device,
"Connect command failed, error wo/DNR bit: %d\n",
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index d9ab9e7871d0..f183f9fa03d0 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2461,6 +2461,18 @@ nvme_fc_terminate_exchange(struct request *req, void *data, bool reserved)
static void
__nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues)
{
+ int q;
+
+ /*
+ * if aborting io, the queues are no longer good, mark them
+ * all as not live.
+ */
+ if (ctrl->ctrl.queue_count > 1) {
+ for (q = 1; q < ctrl->ctrl.queue_count; q++)
+ clear_bit(NVME_FC_Q_LIVE, &ctrl->queues[q].flags);
+ }
+ clear_bit(NVME_FC_Q_LIVE, &ctrl->queues[0].flags);
+
/*
* If io queues are present, stop them and terminate all outstanding
* ios on them. As FC allocates FC exchange for each io, the
@@ -3095,6 +3107,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
if (ctrl->ctrl.icdoff) {
dev_err(ctrl->ctrl.device, "icdoff %d is not supported!\n",
ctrl->ctrl.icdoff);
+ ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto out_disconnect_admin_queue;
}
@@ -3102,6 +3115,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
if (!(ctrl->ctrl.sgls & ((1 << 0) | (1 << 1)))) {
dev_err(ctrl->ctrl.device,
"Mandatory sgls are not supported!\n");
+ ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto out_disconnect_admin_queue;
}
@@ -3268,11 +3282,13 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
if (ctrl->ctrl.state != NVME_CTRL_CONNECTING)
return;
- if (portptr->port_state == FC_OBJSTATE_ONLINE)
+ if (portptr->port_state == FC_OBJSTATE_ONLINE) {
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: reset: Reconnect attempt failed (%d)\n",
ctrl->cnum, status);
- else if (time_after_eq(jiffies, rport->dev_loss_end))
+ if (status > 0 && (status & NVME_SC_DNR))
+ recon = false;
+ } else if (time_after_eq(jiffies, rport->dev_loss_end))
recon = false;
if (recon && nvmf_should_reconnect(&ctrl->ctrl)) {
@@ -3286,12 +3302,17 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
queue_delayed_work(nvme_wq, &ctrl->connect_work, recon_delay);
} else {
- if (portptr->port_state == FC_OBJSTATE_ONLINE)
- dev_warn(ctrl->ctrl.device,
- "NVME-FC{%d}: Max reconnect attempts (%d) "
- "reached.\n",
- ctrl->cnum, ctrl->ctrl.nr_reconnects);
- else
+ if (portptr->port_state == FC_OBJSTATE_ONLINE) {
+ if (status > 0 && (status & NVME_SC_DNR))
+ dev_warn(ctrl->ctrl.device,
+ "NVME-FC{%d}: reconnect failure\n",
+ ctrl->cnum);
+ else
+ dev_warn(ctrl->ctrl.device,
+ "NVME-FC{%d}: Max reconnect attempts "
+ "(%d) reached.\n",
+ ctrl->cnum, ctrl->ctrl.nr_reconnects);
+ } else
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: dev_loss_tmo (%d) expired "
"while waiting for remoteport connectivity.\n",
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 0551796517e6..f81871c7128a 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -781,9 +781,18 @@ void nvme_mpath_remove_disk(struct nvme_ns_head *head)
put_disk(head->disk);
}
-int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
+void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl)
{
- int error;
+ mutex_init(&ctrl->ana_lock);
+ timer_setup(&ctrl->anatt_timer, nvme_anatt_timeout, 0);
+ INIT_WORK(&ctrl->ana_work, nvme_ana_work);
+}
+
+int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
+{
+ size_t max_transfer_size = ctrl->max_hw_sectors << SECTOR_SHIFT;
+ size_t ana_log_size;
+ int error = 0;
/* check if multipath is enabled and we have the capability */
if (!multipath || !ctrl->subsys ||
@@ -795,37 +804,31 @@ int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
ctrl->nanagrpid = le32_to_cpu(id->nanagrpid);
ctrl->anagrpmax = le32_to_cpu(id->anagrpmax);
- mutex_init(&ctrl->ana_lock);
- timer_setup(&ctrl->anatt_timer, nvme_anatt_timeout, 0);
- ctrl->ana_log_size = sizeof(struct nvme_ana_rsp_hdr) +
- ctrl->nanagrpid * sizeof(struct nvme_ana_group_desc);
- ctrl->ana_log_size += ctrl->max_namespaces * sizeof(__le32);
-
- if (ctrl->ana_log_size > ctrl->max_hw_sectors << SECTOR_SHIFT) {
+ ana_log_size = sizeof(struct nvme_ana_rsp_hdr) +
+ ctrl->nanagrpid * sizeof(struct nvme_ana_group_desc) +
+ ctrl->max_namespaces * sizeof(__le32);
+ if (ana_log_size > max_transfer_size) {
dev_err(ctrl->device,
- "ANA log page size (%zd) larger than MDTS (%d).\n",
- ctrl->ana_log_size,
- ctrl->max_hw_sectors << SECTOR_SHIFT);
+ "ANA log page size (%zd) larger than MDTS (%zd).\n",
+ ana_log_size, max_transfer_size);
dev_err(ctrl->device, "disabling ANA support.\n");
- return 0;
+ goto out_uninit;
}
-
- INIT_WORK(&ctrl->ana_work, nvme_ana_work);
- kfree(ctrl->ana_log_buf);
- ctrl->ana_log_buf = kmalloc(ctrl->ana_log_size, GFP_KERNEL);
- if (!ctrl->ana_log_buf) {
- error = -ENOMEM;
- goto out;
+ if (ana_log_size > ctrl->ana_log_size) {
+ nvme_mpath_stop(ctrl);
+ kfree(ctrl->ana_log_buf);
+ ctrl->ana_log_buf = kmalloc(ana_log_size, GFP_KERNEL);
+ if (!ctrl->ana_log_buf)
+ return -ENOMEM;
}
-
+ ctrl->ana_log_size = ana_log_size;
error = nvme_read_ana_log(ctrl);
if (error)
- goto out_free_ana_log_buf;
+ goto out_uninit;
return 0;
-out_free_ana_log_buf:
- kfree(ctrl->ana_log_buf);
- ctrl->ana_log_buf = NULL;
-out:
+
+out_uninit:
+ nvme_mpath_uninit(ctrl);
return error;
}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 05f31a2c64bb..0015860ec12b 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -712,7 +712,8 @@ void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl);
int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head);
void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id);
void nvme_mpath_remove_disk(struct nvme_ns_head *head);
-int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id);
+int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id);
+void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl);
void nvme_mpath_uninit(struct nvme_ctrl *ctrl);
void nvme_mpath_stop(struct nvme_ctrl *ctrl);
bool nvme_mpath_clear_current_path(struct nvme_ns *ns);
@@ -780,7 +781,10 @@ static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
static inline void nvme_trace_bio_complete(struct request *req)
{
}
-static inline int nvme_mpath_init(struct nvme_ctrl *ctrl,
+static inline void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl)
+{
+}
+static inline int nvme_mpath_init_identify(struct nvme_ctrl *ctrl,
struct nvme_id_ctrl *id)
{
if (ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 37943dc4c2c1..4697a94c0945 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1320,16 +1320,17 @@ static int nvme_rdma_map_sg_inline(struct nvme_rdma_queue *queue,
int count)
{
struct nvme_sgl_desc *sg = &c->common.dptr.sgl;
- struct scatterlist *sgl = req->data_sgl.sg_table.sgl;
struct ib_sge *sge = &req->sge[1];
+ struct scatterlist *sgl;
u32 len = 0;
int i;
- for (i = 0; i < count; i++, sgl++, sge++) {
+ for_each_sg(req->data_sgl.sg_table.sgl, sgl, count, i) {
sge->addr = sg_dma_address(sgl);
sge->length = sg_dma_len(sgl);
sge->lkey = queue->device->pd->local_dma_lkey;
len += sge->length;
+ sge++;
}
sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff);
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 0222e23f5936..34f4b3402f7c 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -943,7 +943,6 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
if (ret <= 0)
return ret;
- nvme_tcp_advance_req(req, ret);
if (queue->data_digest)
nvme_tcp_ddgst_update(queue->snd_hash, page,
offset, ret);
@@ -960,6 +959,7 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
}
return 1;
}
+ nvme_tcp_advance_req(req, ret);
}
return -EAGAIN;
}
@@ -1140,7 +1140,8 @@ static void nvme_tcp_io_work(struct work_struct *w)
pending = true;
else if (unlikely(result < 0))
break;
- }
+ } else
+ pending = !llist_empty(&queue->req_list);
result = nvme_tcp_try_recv(queue);
if (result > 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-30 16:49:51 +0000