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| author | Sagi Grimberg <sagi@lightbitslabs.com> | 2018-12-04 02:52:11 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-12-13 09:58:55 +0100 |
| commit | 1672ddb8d691e4433806373ec4104f37a86efab0 (patch) | |
| tree | 7484da0625817b0d42d83b05fbd41d783a39b425 | |
| parent | datagram: introduce skb_copy_and_hash_datagram_iter helper (diff) | |
| download | linux-1672ddb8d691e4433806373ec4104f37a86efab0.tar.xz linux-1672ddb8d691e4433806373ec4104f37a86efab0.zip | |
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>
| -rw-r--r-- | drivers/nvme/target/fabrics-cmd.c | 10 | ||||
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 1 |
2 files changed, 11 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; } diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 7d8b7a7d572a..89df51ee5bdf 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -279,6 +279,7 @@ struct nvmet_fabrics_ops { void (*delete_ctrl)(struct nvmet_ctrl *ctrl); void (*disc_traddr)(struct nvmet_req *req, struct nvmet_port *port, char *traddr); + u16 (*install_queue)(struct nvmet_sq *nvme_sq); }; #define NVMET_MAX_INLINE_BIOVEC 8 |