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authorBrian King <brking@linux.vnet.ibm.com>2008-11-14 14:33:53 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-12-29 12:24:18 -0500
commit646d3857b95e8e310aae7a4594f43d7f3b100a1f (patch)
tree44423484257e5fb85fbddac81c116e45cb944664 /drivers/scsi/ibmvscsi
parent5919ce29085f4ca080054fde5feef8f8b3405261 (diff)
[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.c3
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.h1
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 {
121 { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED, DID_ABORT, 0, 1, "transaction cancelled" }, 121 { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED, DID_ABORT, 0, 1, "transaction cancelled" },
122 { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED_IMPLICIT, DID_ABORT, 0, 1, "transaction cancelled implicit" }, 122 { IBMVFC_VIOS_FAILURE, IBMVFC_TRANS_CANCELLED_IMPLICIT, DID_ABORT, 0, 1, "transaction cancelled implicit" },
123 { IBMVFC_VIOS_FAILURE, IBMVFC_INSUFFICIENT_RESOURCE, DID_REQUEUE, 1, 1, "insufficient resources" }, 123 { IBMVFC_VIOS_FAILURE, IBMVFC_INSUFFICIENT_RESOURCE, DID_REQUEUE, 1, 1, "insufficient resources" },
124 { IBMVFC_VIOS_FAILURE, IBMVFC_PLOGI_REQUIRED, DID_ERROR, 0, 1, "port login required" },
124 { IBMVFC_VIOS_FAILURE, IBMVFC_COMMAND_FAILED, DID_ERROR, 1, 1, "command failed" }, 125 { IBMVFC_VIOS_FAILURE, IBMVFC_COMMAND_FAILED, DID_ERROR, 1, 1, "command failed" },
125 126
126 { IBMVFC_FC_FAILURE, IBMVFC_INVALID_ELS_CMD_CODE, DID_ERROR, 0, 1, "invalid ELS command code" }, 127 { 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)
1475 sense_len = SCSI_SENSE_BUFFERSIZE - rsp_len; 1476 sense_len = SCSI_SENSE_BUFFERSIZE - rsp_len;
1476 if ((rsp->flags & FCP_SNS_LEN_VALID) && rsp->fcp_sense_len && rsp_len <= 8) 1477 if ((rsp->flags & FCP_SNS_LEN_VALID) && rsp->fcp_sense_len && rsp_len <= 8)
1477 memcpy(cmnd->sense_buffer, rsp->data.sense + rsp_len, sense_len); 1478 memcpy(cmnd->sense_buffer, rsp->data.sense + rsp_len, sense_len);
1479 if ((vfc_cmd->status & IBMVFC_VIOS_FAILURE) && (vfc_cmd->error == IBMVFC_PLOGI_REQUIRED))
1480 ibmvfc_reinit_host(evt->vhost);
1478 1481
1479 if (!cmnd->result && (!scsi_get_resid(cmnd) || (rsp->flags & FCP_RESID_OVER))) 1482 if (!cmnd->result && (!scsi_get_resid(cmnd) || (rsp->flags & FCP_RESID_OVER)))
1480 cmnd->result = (DID_ERROR << 16); 1483 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 {
109 IBMVFC_TRANS_CANCELLED = 0x0006, 109 IBMVFC_TRANS_CANCELLED = 0x0006,
110 IBMVFC_TRANS_CANCELLED_IMPLICIT = 0x0007, 110 IBMVFC_TRANS_CANCELLED_IMPLICIT = 0x0007,
111 IBMVFC_INSUFFICIENT_RESOURCE = 0x0008, 111 IBMVFC_INSUFFICIENT_RESOURCE = 0x0008,
112 IBMVFC_PLOGI_REQUIRED = 0x0010,
112 IBMVFC_COMMAND_FAILED = 0x8000, 113 IBMVFC_COMMAND_FAILED = 0x8000,
113}; 114};
114 115