nvmet-tcp will implement it to allocate queue commands which
are only known at nvmf connect time (sq size).

Signed-off-by: Sagi Grimberg <[email protected]>
---
 drivers/nvme/target/fabrics-cmd.c | 9 +++++++++
 drivers/nvme/target/nvmet.h       | 1 +
 2 files changed, 10 insertions(+)

diff --git a/drivers/nvme/target/fabrics-cmd.c 
b/drivers/nvme/target/fabrics-cmd.c
index 1f05d8507e35..a84668e8939c 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -117,6 +117,15 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, 
struct nvmet_req *req)
        nvmet_sq_setup(ctrl, req->sq, qid, sqsize + 1,
                        !!(c->cattr & NVME_CONNECT_DISABLE_SQFLOW));
 
+       if (ctrl->ops->install_queue) {
+               int ret = ctrl->ops->install_queue(req->sq);
+               if (ret) {
+                       pr_err("failed to install queue %d cntlid %d ret %d\n",
+                               qid, ret, ctrl->cntlid);
+                       return NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
+               }
+       }
+
        return 0;
 }
 
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index abc603fa725d..1362afe6e0b3 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -281,6 +281,7 @@ struct nvmet_fabrics_ops {
        void (*delete_ctrl)(struct nvmet_ctrl *ctrl);
        void (*disc_traddr)(struct nvmet_req *req,
                        struct nvmet_port *port, char *traddr);
+       int (*install_queue)(struct nvmet_sq *nvme_sq);
 };
 
 #define NVMET_MAX_INLINE_BIOVEC        8
-- 
2.17.1

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