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path: root/drivers/nvme/host/tcp.c
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Diffstat (limited to 'drivers/nvme/host/tcp.c')
-rw-r--r--drivers/nvme/host/tcp.c95
1 files changed, 49 insertions, 46 deletions
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index b95ee85053e3..e82dcfcda29b 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -209,9 +209,11 @@ static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue)
return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0;
}
-static inline size_t nvme_tcp_inline_data_size(struct nvme_tcp_queue *queue)
+static inline size_t nvme_tcp_inline_data_size(struct nvme_tcp_request *req)
{
- return queue->cmnd_capsule_len - sizeof(struct nvme_command);
+ if (nvme_is_fabrics(req->req.cmd))
+ return NVME_TCP_ADMIN_CCSZ;
+ return req->queue->cmnd_capsule_len - sizeof(struct nvme_command);
}
static inline bool nvme_tcp_async_req(struct nvme_tcp_request *req)
@@ -229,7 +231,7 @@ static inline bool nvme_tcp_has_inline_data(struct nvme_tcp_request *req)
rq = blk_mq_rq_from_pdu(req);
return rq_data_dir(rq) == WRITE && req->data_len &&
- req->data_len <= nvme_tcp_inline_data_size(req->queue);
+ req->data_len <= nvme_tcp_inline_data_size(req);
}
static inline struct page *nvme_tcp_req_cur_page(struct nvme_tcp_request *req)
@@ -1685,45 +1687,49 @@ static int nvme_tcp_start_queue(struct nvme_ctrl *nctrl, int idx)
return ret;
}
-static struct blk_mq_tag_set *nvme_tcp_alloc_tagset(struct nvme_ctrl *nctrl,
- bool admin)
+static int nvme_tcp_alloc_admin_tag_set(struct nvme_ctrl *nctrl)
{
struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
- struct blk_mq_tag_set *set;
+ struct blk_mq_tag_set *set = &ctrl->admin_tag_set;
int ret;
- if (admin) {
- set = &ctrl->admin_tag_set;
- memset(set, 0, sizeof(*set));
- set->ops = &nvme_tcp_admin_mq_ops;
- set->queue_depth = NVME_AQ_MQ_TAG_DEPTH;
- set->reserved_tags = NVMF_RESERVED_TAGS;
- set->numa_node = nctrl->numa_node;
- set->flags = BLK_MQ_F_BLOCKING;
- set->cmd_size = sizeof(struct nvme_tcp_request);
- set->driver_data = ctrl;
- set->nr_hw_queues = 1;
- set->timeout = NVME_ADMIN_TIMEOUT;
- } else {
- set = &ctrl->tag_set;
- memset(set, 0, sizeof(*set));
- set->ops = &nvme_tcp_mq_ops;
- set->queue_depth = nctrl->sqsize + 1;
- set->reserved_tags = NVMF_RESERVED_TAGS;
- set->numa_node = nctrl->numa_node;
- set->flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_BLOCKING;
- set->cmd_size = sizeof(struct nvme_tcp_request);
- set->driver_data = ctrl;
- set->nr_hw_queues = nctrl->queue_count - 1;
- set->timeout = NVME_IO_TIMEOUT;
- set->nr_maps = nctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2;
- }
-
+ memset(set, 0, sizeof(*set));
+ set->ops = &nvme_tcp_admin_mq_ops;
+ set->queue_depth = NVME_AQ_MQ_TAG_DEPTH;
+ set->reserved_tags = NVMF_RESERVED_TAGS;
+ set->numa_node = nctrl->numa_node;
+ set->flags = BLK_MQ_F_BLOCKING;
+ set->cmd_size = sizeof(struct nvme_tcp_request);
+ set->driver_data = ctrl;
+ set->nr_hw_queues = 1;
+ set->timeout = NVME_ADMIN_TIMEOUT;
ret = blk_mq_alloc_tag_set(set);
- if (ret)
- return ERR_PTR(ret);
+ if (!ret)
+ nctrl->admin_tagset = set;
+ return ret;
+}
- return set;
+static int nvme_tcp_alloc_tag_set(struct nvme_ctrl *nctrl)
+{
+ struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
+ struct blk_mq_tag_set *set = &ctrl->tag_set;
+ int ret;
+
+ memset(set, 0, sizeof(*set));
+ set->ops = &nvme_tcp_mq_ops;
+ set->queue_depth = nctrl->sqsize + 1;
+ set->reserved_tags = NVMF_RESERVED_TAGS;
+ set->numa_node = nctrl->numa_node;
+ set->flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_BLOCKING;
+ set->cmd_size = sizeof(struct nvme_tcp_request);
+ set->driver_data = ctrl;
+ set->nr_hw_queues = nctrl->queue_count - 1;
+ set->timeout = NVME_IO_TIMEOUT;
+ set->nr_maps = nctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2;
+ ret = blk_mq_alloc_tag_set(set);
+ if (!ret)
+ nctrl->tagset = set;
+ return ret;
}
static void nvme_tcp_free_admin_queue(struct nvme_ctrl *ctrl)
@@ -1899,11 +1905,9 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new)
return ret;
if (new) {
- ctrl->tagset = nvme_tcp_alloc_tagset(ctrl, false);
- if (IS_ERR(ctrl->tagset)) {
- ret = PTR_ERR(ctrl->tagset);
+ ret = nvme_tcp_alloc_tag_set(ctrl);
+ if (ret)
goto out_free_io_queues;
- }
ret = nvme_ctrl_init_connect_q(ctrl);
if (ret)
@@ -1968,11 +1972,9 @@ static int nvme_tcp_configure_admin_queue(struct nvme_ctrl *ctrl, bool new)
return error;
if (new) {
- ctrl->admin_tagset = nvme_tcp_alloc_tagset(ctrl, true);
- if (IS_ERR(ctrl->admin_tagset)) {
- error = PTR_ERR(ctrl->admin_tagset);
+ error = nvme_tcp_alloc_admin_tag_set(ctrl);
+ if (error)
goto out_free_queue;
- }
ctrl->fabrics_q = blk_mq_init_queue(ctrl->admin_tagset);
if (IS_ERR(ctrl->fabrics_q)) {
@@ -2173,6 +2175,7 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work)
struct nvme_tcp_ctrl, err_work);
struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl;
+ nvme_auth_stop(ctrl);
nvme_stop_keep_alive(ctrl);
flush_work(&ctrl->async_event_work);
nvme_tcp_teardown_io_queues(ctrl, false);
@@ -2371,7 +2374,7 @@ static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue,
if (!blk_rq_nr_phys_segments(rq))
nvme_tcp_set_sg_null(c);
else if (rq_data_dir(rq) == WRITE &&
- req->data_len <= nvme_tcp_inline_data_size(queue))
+ req->data_len <= nvme_tcp_inline_data_size(req))
nvme_tcp_set_sg_inline(queue, c, req->data_len);
else
nvme_tcp_set_sg_host_data(c, req->data_len);
@@ -2406,7 +2409,7 @@ static blk_status_t nvme_tcp_setup_cmd_pdu(struct nvme_ns *ns,
nvme_tcp_init_iter(req, rq_data_dir(rq));
if (rq_data_dir(rq) == WRITE &&
- req->data_len <= nvme_tcp_inline_data_size(queue))
+ req->data_len <= nvme_tcp_inline_data_size(req))
req->pdu_len = req->data_len;
pdu->hdr.type = nvme_tcp_cmd;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 18:34:52 +0000