nvmet: Add install_queue callout

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

Signed-off-by: Sagi Grimberg <sagi@lightbitslabs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index 328ae46d8344..ee7d84621d65 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -121,6 +121,16 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req)
 		req->rsp->sq_head = cpu_to_le16(0xffff);
 	}
 
+	if (ctrl->ops->install_queue) {
+		u16 ret = ctrl->ops->install_queue(req->sq);
+
+		if (ret) {
+			pr_err("failed to install queue %d cntlid %d ret %x\n",
+				qid, ret, ctrl->cntlid);
+			return ret;
+		}
+	}
+
 	return 0;
 }