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From: James Smart <jsmart2021@gmail.com>
To: linux-nvme@lists.infradead.org
Cc: James Smart <jsmart2021@gmail.com>
Subject: [PATCH v2 10/26] nvmet-fc: add LS failure messages
Date: Tue, 31 Mar 2020 09:49:55 -0700	[thread overview]
Message-ID: <20200331165011.15819-11-jsmart2021@gmail.com> (raw)
In-Reply-To: <20200331165011.15819-1-jsmart2021@gmail.com>

Add LS reception failure messages

Signed-off-by: James Smart <jsmart2021@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
---
 drivers/nvme/target/fc.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 5739df7edc59..a91c443c9098 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1598,15 +1598,31 @@ nvmet_fc_rcv_ls_req(struct nvmet_fc_target_port *target_port,
 {
 	struct nvmet_fc_tgtport *tgtport = targetport_to_tgtport(target_port);
 	struct nvmet_fc_ls_iod *iod;
-
-	if (lsreqbuf_len > sizeof(union nvmefc_ls_requests))
+	struct fcnvme_ls_rqst_w0 *w0 = (struct fcnvme_ls_rqst_w0 *)lsreqbuf;
+
+	if (lsreqbuf_len > sizeof(union nvmefc_ls_requests)) {
+		dev_info(tgtport->dev,
+			"RCV %s LS failed: payload too large (%d)\n",
+			(w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+				nvmefc_ls_names[w0->ls_cmd] : "",
+			lsreqbuf_len);
 		return -E2BIG;
+	}
 
-	if (!nvmet_fc_tgtport_get(tgtport))
+	if (!nvmet_fc_tgtport_get(tgtport)) {
+		dev_info(tgtport->dev,
+			"RCV %s LS failed: target deleting\n",
+			(w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+				nvmefc_ls_names[w0->ls_cmd] : "");
 		return -ESHUTDOWN;
+	}
 
 	iod = nvmet_fc_alloc_ls_iod(tgtport);
 	if (!iod) {
+		dev_info(tgtport->dev,
+			"RCV %s LS failed: context allocation failed\n",
+			(w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+				nvmefc_ls_names[w0->ls_cmd] : "");
 		nvmet_fc_tgtport_put(tgtport);
 		return -ENOENT;
 	}
-- 
2.16.4


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  parent reply	other threads:[~2020-03-31 16:52 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-31 16:49 [PATCH v2 00/26] nvme-fc/nvmet-fc: Add FC-NVME-2 disconnect association support James Smart
2020-03-31 16:49 ` [PATCH v2 01/26] nvme-fc: Sync header to FC-NVME-2 rev 1.08 James Smart
2020-03-31 16:49 ` [PATCH v2 02/26] nvme-fc and nvmet-fc: revise LLDD api for LS reception and LS request James Smart
2020-03-31 16:49 ` [PATCH v2 03/26] nvme-fc nvmet-fc: refactor for common LS definitions James Smart
2020-03-31 16:49 ` [PATCH v2 04/26] nvmet-fc: Better size LS buffers James Smart
2020-03-31 16:49 ` [PATCH v2 05/26] nvme-fc: Ensure private pointers are NULL if no data James Smart
2020-03-31 16:49 ` [PATCH v2 06/26] nvme-fc: convert assoc_active flag to bit op James Smart
2020-03-31 16:49 ` [PATCH v2 07/26] nvme-fc: Update header and host for common definitions for LS handling James Smart
2020-03-31 16:49 ` [PATCH v2 08/26] nvmet-fc: Update target " James Smart
2020-03-31 16:49 ` [PATCH v2 09/26] nvme-fc: Add Disconnect Association Rcv support James Smart
2020-03-31 16:49 ` James Smart [this message]
2020-03-31 16:49 ` [PATCH v2 11/26] nvmet-fc: perform small cleanups on unneeded checks James Smart
2020-03-31 16:49 ` [PATCH v2 12/26] nvmet-fc: track hostport handle for associations James Smart
2020-03-31 16:49 ` [PATCH v2 13/26] nvmet-fc: rename ls_list to ls_rcv_list James Smart
2020-03-31 16:49 ` [PATCH v2 14/26] nvmet-fc: Add Disconnect Association Xmt support James Smart
2020-03-31 16:50 ` [PATCH v2 15/26] nvme-fcloop: refactor to enable target to host LS James Smart
2020-03-31 16:50 ` [PATCH v2 16/26] nvme-fcloop: add target to host LS request support James Smart
2020-03-31 16:50 ` [PATCH v2 17/26] lpfc: Refactor lpfc nvme headers James Smart
2020-03-31 16:50 ` [PATCH v2 18/26] lpfc: Refactor nvmet_rcv_ctx to create lpfc_async_xchg_ctx James Smart
2020-03-31 16:50 ` [PATCH v2 19/26] lpfc: Commonize lpfc_async_xchg_ctx state and flag definitions James Smart
2020-03-31 16:50 ` [PATCH v2 20/26] lpfc: Refactor NVME LS receive handling James Smart
2020-03-31 16:50 ` [PATCH v2 21/26] lpfc: Refactor Send LS Request support James Smart
2020-03-31 16:50 ` [PATCH v2 22/26] lpfc: Refactor Send LS Abort support James Smart
2020-03-31 16:50 ` [PATCH v2 23/26] lpfc: Refactor Send LS Response support James Smart
2020-03-31 16:50 ` [PATCH v2 24/26] lpfc: nvme: Add Receive LS Request and Send LS Response support to nvme James Smart
2020-03-31 16:50 ` [PATCH v2 25/26] lpfc: nvmet: Add support for NVME LS request hosthandle James Smart
2020-03-31 16:50 ` [PATCH v2 26/26] lpfc: nvmet: Add Send LS Request and Abort LS Request support James Smart
2020-04-01  8:27 ` [PATCH v2 00/26] nvme-fc/nvmet-fc: Add FC-NVME-2 disconnect association support Christoph Hellwig

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