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| author |   Brian King <brking@linux.vnet.ibm.com> | 2008-11-14 13:33:53 -0600 |
|---|---|---|
| committer |   James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-12-29 11:24:18 -0600 |
| commit | 646d3857b95e8e310aae7a4594f43d7f3b100a1f (patch) | |
| tree | 44423484257e5fb85fbddac81c116e45cb944664 /drivers/scsi/ibmvscsi | |
| parent | [SCSI] ibmvfc: Fix command timeouts due to cached CRQ access (diff) | |
| download | linux-dev-646d3857b95e8e310aae7a4594f43d7f3b100a1f.tar.xz linux-dev-646d3857b95e8e310aae7a4594f43d7f3b100a1f.zip | |
[SCSI] ibmvfc: Handle port login required response
The virtual fibre channel stack can return a failure response for a command
indicating the port login has been invalidated without sending the client
an async event. Add code to handle this response and initiate a PLOGI.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/ibmvscsi')
| -rw-r--r-- | drivers/scsi/ibmvscsi/ibmvfc.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/ibmvscsi/ibmvfc.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index eb79f755dad0..8715a7b140cc 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -121,6 +121,7 @@ static const struct { { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED, DID_ABORT, 0, 1, "transaction cancelled" }, { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED_IMPLICIT, DID_ABORT, 0, 1, "transaction cancelled implicit" }, { IBMVFC_VIOS_FAILURE, IBMVFC_INSUFFICIENT_RESOURCE, DID_REQUEUE, 1, 1, "insufficient resources" }, + { IBMVFC_VIOS_FAILURE, IBMVFC_PLOGI_REQUIRED, DID_ERROR, 0, 1, "port login required" }, { IBMVFC_VIOS_FAILURE, IBMVFC_COMMAND_FAILED, DID_ERROR, 1, 1, "command failed" }, { IBMVFC_FC_FAILURE, IBMVFC_INVALID_ELS_CMD_CODE, DID_ERROR, 0, 1, "invalid ELS command code" }, @@ -1475,6 +1476,8 @@ static void ibmvfc_scsi_done(struct ibmvfc_event *evt) sense_len = SCSI_SENSE_BUFFERSIZE - rsp_len; if ((rsp->flags & FCP_SNS_LEN_VALID) && rsp->fcp_sense_len && rsp_len <= 8) memcpy(cmnd->sense_buffer, rsp->data.sense + rsp_len, sense_len); + if ((vfc_cmd->status & IBMVFC_VIOS_FAILURE) && (vfc_cmd->error == IBMVFC_PLOGI_REQUIRED)) + ibmvfc_reinit_host(evt->vhost); if (!cmnd->result && (!scsi_get_resid(cmnd) || (rsp->flags & FCP_RESID_OVER))) cmnd->result = (DID_ERROR << 16); diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index 526bca743c81..6b86e1f69f69 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -109,6 +109,7 @@ enum ibmvfc_vios_errors { IBMVFC_TRANS_CANCELLED = 0x0006, IBMVFC_TRANS_CANCELLED_IMPLICIT = 0x0007, IBMVFC_INSUFFICIENT_RESOURCE = 0x0008, + IBMVFC_PLOGI_REQUIRED = 0x0010, IBMVFC_COMMAND_FAILED = 0x8000, }; |