[SCSI] ibmvscsi: Handle non SCSI error status
Adds support to the ibmvscsi driver to handle non SCSI error
status. This is needed to support some new VIOS enhancements.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 4a922c5..9c77015 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -686,7 +686,7 @@
}
if (cmnd) {
- cmnd->result = rsp->status;
+ cmnd->result |= rsp->status;
if (((cmnd->result >> 1) & 0x1f) == CHECK_CONDITION)
memcpy(cmnd->sense_buffer,
rsp->data,
@@ -730,6 +730,7 @@
u16 lun = lun_from_dev(cmnd->device);
u8 out_fmt, in_fmt;
+ cmnd->result = (DID_OK << 16);
evt_struct = get_event_struct(&hostdata->pool);
if (!evt_struct)
return SCSI_MLQUEUE_HOST_BUSY;
@@ -1347,6 +1348,8 @@
del_timer(&evt_struct->timer);
+ if (crq->status != VIOSRP_OK && evt_struct->cmnd)
+ evt_struct->cmnd->result = DID_ERROR << 16;
if (evt_struct->done)
evt_struct->done(evt_struct);
else
diff --git a/drivers/scsi/ibmvscsi/viosrp.h b/drivers/scsi/ibmvscsi/viosrp.h
index 90f1a612..4c4aadb 100644
--- a/drivers/scsi/ibmvscsi/viosrp.h
+++ b/drivers/scsi/ibmvscsi/viosrp.h
@@ -59,6 +59,15 @@
VIOSRP_INLINE_FORMAT = 0x07
};
+enum viosrp_crq_status {
+ VIOSRP_OK = 0x0,
+ VIOSRP_NONRECOVERABLE_ERR = 0x1,
+ VIOSRP_VIOLATES_MAX_XFER = 0x2,
+ VIOSRP_PARTNER_PANIC = 0x3,
+ VIOSRP_DEVICE_BUSY = 0x8,
+ VIOSRP_ADAPTER_FAIL = 0x10
+};
+
struct viosrp_crq {
u8 valid; /* used by RPA */
u8 format; /* SCSI vs out-of-band */