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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>
hifive-unleashed-5.1
Sagi Grimberg 2018-12-03 17:52:11 -08:00 committed by Christoph Hellwig
parent 65d69e2505
commit 1672ddb8d6
2 changed files with 11 additions and 0 deletions
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10
drivers/nvme/target/fabrics-cmd.c
View File

@ -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;
}

1
drivers/nvme/target/nvmet.h
View File

@ -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