From 6490c9ed06de4a97a1ba89f53cd6c045d5277bc4 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 27 Jun 2022 11:52:04 +0200 Subject: [PATCH] nvmet: parse fabrics commands on io queues Some fabrics commands can be sent via io queues, so add a new function nvmet_parse_fabrics_io_cmd() and rename the existing nvmet_parse_fabrics_cmd() to nvmet_parse_fabrics_admin_cmd(). Signed-off-by: Hannes Reinecke Reviewed-by: Sagi Grimberg Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/nvme/target/admin-cmd.c | 2 +- drivers/nvme/target/core.c | 4 ++++ drivers/nvme/target/fabrics-cmd.c | 17 ++++++++++++++++- drivers/nvme/target/nvmet.h | 3 ++- 4 files changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 397daaf51f1b..31df40ac828f 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -1017,7 +1017,7 @@ u16 nvmet_parse_admin_cmd(struct nvmet_req *req) u16 ret; if (nvme_is_fabrics(cmd)) - return nvmet_parse_fabrics_cmd(req); + return nvmet_parse_fabrics_admin_cmd(req); if (nvmet_is_disc_subsys(nvmet_req_subsys(req))) return nvmet_parse_discovery_cmd(req); diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index c27660a660d9..527a88617813 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -865,8 +865,12 @@ static inline u16 nvmet_io_cmd_check_access(struct nvmet_req *req) static u16 nvmet_parse_io_cmd(struct nvmet_req *req) { + struct nvme_command *cmd = req->cmd; u16 ret; + if (nvme_is_fabrics(cmd)) + return nvmet_parse_fabrics_io_cmd(req); + ret = nvmet_check_ctrl_status(req); if (unlikely(ret)) return ret; diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c index 70fb587e9413..f23c28729908 100644 --- a/drivers/nvme/target/fabrics-cmd.c +++ b/drivers/nvme/target/fabrics-cmd.c @@ -82,7 +82,7 @@ static void nvmet_execute_prop_get(struct nvmet_req *req) nvmet_req_complete(req, status); } -u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req) +u16 nvmet_parse_fabrics_admin_cmd(struct nvmet_req *req) { struct nvme_command *cmd = req->cmd; @@ -103,6 +103,21 @@ u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req) return 0; } +u16 nvmet_parse_fabrics_io_cmd(struct nvmet_req *req) +{ + struct nvme_command *cmd = req->cmd; + + switch (cmd->fabrics.fctype) { + default: + pr_debug("received unknown capsule type 0x%x\n", + cmd->fabrics.fctype); + req->error_loc = offsetof(struct nvmf_common_command, fctype); + return NVME_SC_INVALID_OPCODE | NVME_SC_DNR; + } + + return 0; +} + static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) { struct nvmf_connect_command *c = &req->cmd->connect; diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 2b3e5719f24e..9b18a10b1c32 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -420,7 +420,8 @@ u16 nvmet_file_parse_io_cmd(struct nvmet_req *req); u16 nvmet_bdev_zns_parse_io_cmd(struct nvmet_req *req); u16 nvmet_parse_admin_cmd(struct nvmet_req *req); u16 nvmet_parse_discovery_cmd(struct nvmet_req *req); -u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req); +u16 nvmet_parse_fabrics_admin_cmd(struct nvmet_req *req); +u16 nvmet_parse_fabrics_io_cmd(struct nvmet_req *req); bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, struct nvmet_sq *sq, const struct nvmet_fabrics_ops *ops);