From: Sagi Grimberg <sagi@grimberg.me>
To: linux-nvme@lists.infradead.org
Cc: linux-block@vger.kernel.org, netdev@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Keith Busch <keith.busch@intel.com>,
Christoph Hellwig <hch@lst.de>
Subject: [PATCH v2 08/14] nvmet: Add install_queue callout
Date: Mon, 19 Nov 2018 19:00:10 -0800 [thread overview]
Message-ID: <20181120030019.31738-10-sagi@grimberg.me> (raw)
In-Reply-To: <20181120030019.31738-1-sagi@grimberg.me>
From: Sagi Grimberg <sagi@lightbitslabs.com>
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>
---
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 328ae46d8344..86ebf191b035 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -121,6 +121,15 @@ 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 547108c41ce9..957eb7edb902 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
--
2.17.1
next prev parent reply other threads:[~2018-11-20 13:27 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-20 3:00 [PATCH v2 00/14] TCP transport binding for NVMe over Fabrics Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 01/14] ath6kl: add ath6kl_ prefix to crypto_type Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 02/14] datagram: open-code copy_page_to_iter Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 03/14] iov_iter: pass void csum pointer to csum_and_copy_to_iter Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 04/14] datagram: consolidate datagram copy to iter helpers Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 04/14] net/datagram: " Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 05/14] iov_iter: introduce hash_and_copy_to_iter helper Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 06/14] datagram: introduce skb_copy_and_hash_datagram_iter helper Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 07/14] nvme-core: add work elements to struct nvme_ctrl Sagi Grimberg
2018-11-21 13:04 ` Christoph Hellwig
2018-11-21 22:28 ` Sagi Grimberg
2018-11-20 3:00 ` Sagi Grimberg [this message]
2018-11-21 13:05 ` [PATCH v2 08/14] nvmet: Add install_queue callout Christoph Hellwig
2018-11-20 3:00 ` [PATCH v2 09/14] nvmet: allow configfs tcp trtype configuration Sagi Grimberg
2018-11-21 13:05 ` Christoph Hellwig
2018-11-20 3:00 ` [PATCH v2 10/14] nvme-fabrics: allow user passing header digest Sagi Grimberg
2018-11-21 13:06 ` Christoph Hellwig
2018-11-20 3:00 ` [PATCH v2 11/14] nvme-fabrics: allow user passing data digest Sagi Grimberg
2018-11-21 13:06 ` Christoph Hellwig
2018-11-20 3:00 ` [PATCH v2 12/14] nvme-tcp: Add protocol header Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 13/14] nvmet-tcp: add NVMe over TCP target driver Sagi Grimberg
2018-11-21 13:07 ` Christoph Hellwig
2018-11-21 22:29 ` Sagi Grimberg
2018-11-20 3:00 ` [PATCH v2 14/14] nvme-tcp: add NVMe over TCP host driver Sagi Grimberg
2018-11-20 23:34 ` Narayan Ayalasomayajula
2018-11-21 0:10 ` Sagi Grimberg
2018-11-21 0:41 ` Ethan Weidman
2018-11-21 5:43 ` Sagi Grimberg
2018-11-21 8:56 ` Christoph Hellwig
2018-11-21 22:27 ` Sagi Grimberg
2018-11-21 12:01 ` Mikhail Skorzhinskii
2018-11-21 22:28 ` Sagi Grimberg
2018-11-20 3:00 ` [PATCH nvme-cli v2 15/14] nvme: Add TCP transport Sagi Grimberg
2018-11-20 9:36 ` Arend van Spriel
2018-11-20 22:56 ` Sagi Grimberg
2018-11-20 3:00 ` [PATCH nvme-cli v2 16/14] fabrics: add tcp port tsas decoding Sagi Grimberg
2018-11-20 3:00 ` [PATCH nvme-cli v2 17/14] fabrics: add transport header and data digest Sagi Grimberg
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