On newer levels of microcode for ipr RAID adapters supporting
multi-initiator configurations, the disk array, or VSET, resources
are capable of generating a check condition. This patch prevents
ipr from generating sense data in this scenario and retrieving it
from the logical device instead.
Signed-off-by: Brian King <brking@xxxxxxxxxxxxxxxxxx>
---
drivers/scsi/ipr.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN drivers/scsi/ipr.c~ipr_vset_cc_handling drivers/scsi/ipr.c
--- linux-2.6/drivers/scsi/ipr.c~ipr_vset_cc_handling 2007-04-26 09:17:39.000000000 -0500
+++ linux-2.6-bjking1/drivers/scsi/ipr.c 2007-04-26 09:17:39.000000000 -0500
@@ -4672,18 +4672,19 @@ static void ipr_erp_start(struct ipr_ioa
struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+ u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK;
if (!res) {
ipr_scsi_eh_done(ipr_cmd);
return;
}
- if (!ipr_is_gscsi(res))
+ if (!ipr_is_gscsi(res) && masked_ioasc != IPR_IOASC_HW_DEV_BUS_STATUS)
ipr_gen_sense(ipr_cmd);
ipr_dump_ioasa(ioa_cfg, ipr_cmd, res);
- switch (ioasc & IPR_IOASC_IOASC_MASK) {
+ switch (masked_ioasc) {
case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST:
if (ipr_is_naca_model(res))
scsi_cmd->result |= (DID_ABORT << 16);
_
-
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