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nvme-fc: Fail transport errors with NVME_SC_HOST_PATH

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NVME_SC_INTERNAL should indicate an internal controller errors
and not host transport errors. These errors will propagate to
upper layers (essentially nvme core) and be interpereted as
transport errors which should not be taken into account for
namespace state or condition.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
This commit is contained in:
James Smart 2019-08-06 00:14:06 -07:00 committed by Sagi Grimberg
parent 1668601008
commit 74bd8cbe7d
1 changed files with 30 additions and 7 deletions
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37
drivers/nvme/host/fc.c
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@ -1608,9 +1608,13 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req)
sizeof(op->rsp_iu), DMA_FROM_DEVICE);
if (opstate == FCPOP_STATE_ABORTED)
status = cpu_to_le16(NVME_SC_ABORT_REQ << 1);
else if (freq->status)
status = cpu_to_le16(NVME_SC_INTERNAL << 1);
status = cpu_to_le16(NVME_SC_HOST_PATH_ERROR << 1);
else if (freq->status) {
status = cpu_to_le16(NVME_SC_HOST_PATH_ERROR << 1);
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: io failed due to lldd error %d\n",
ctrl->cnum, freq->status);
}
/*
* For the linux implementation, if we have an unsuccesful
@ -1637,8 +1641,13 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req)
* no payload in the CQE by the transport.
*/
if (freq->transferred_length !=
be32_to_cpu(op->cmd_iu.data_len)) {
status = cpu_to_le16(NVME_SC_INTERNAL << 1);
be32_to_cpu(op->cmd_iu.data_len)) {
status = cpu_to_le16(NVME_SC_HOST_PATH_ERROR << 1);
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: io failed due to bad transfer "
"length: %d vs expected %d\n",
ctrl->cnum, freq->transferred_length,
be32_to_cpu(op->cmd_iu.data_len));
goto done;
}
result.u64 = 0;
@ -1655,7 +1664,17 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req)
freq->transferred_length ||
op->rsp_iu.status_code ||
sqe->common.command_id != cqe->command_id)) {
status = cpu_to_le16(NVME_SC_INTERNAL << 1);
status = cpu_to_le16(NVME_SC_HOST_PATH_ERROR << 1);
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: io failed due to bad NVMe_ERSP: "
"iu len %d, xfr len %d vs %d, status code "
"%d, cmdid %d vs %d\n",
ctrl->cnum, be16_to_cpu(op->rsp_iu.iu_len),
be32_to_cpu(op->rsp_iu.xfrd_len),
freq->transferred_length,
op->rsp_iu.status_code,
sqe->common.command_id,
cqe->command_id);
goto done;
}
result = cqe->result;
@ -1663,7 +1682,11 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req)
break;
default:
status = cpu_to_le16(NVME_SC_INTERNAL << 1);
status = cpu_to_le16(NVME_SC_HOST_PATH_ERROR << 1);
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: io failed due to odd NVMe_xRSP iu "
"len %d\n",
ctrl->cnum, freq->rcv_rsplen);
goto done;
}