[SCSI] ipr: Log error for SAS dual path switch
For ipr SAS adapters that support dual pathing, this
patch modifies ipr to log an error when a path fails.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 5b6ffe1..44ce9f5 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4453,12 +4453,13 @@
{
int i;
u16 data_len;
- u32 ioasc;
+ u32 ioasc, fd_ioasc;
struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
__be32 *ioasa_data = (__be32 *)ioasa;
int error_index;
ioasc = be32_to_cpu(ioasa->ioasc) & IPR_IOASC_IOASC_MASK;
+ fd_ioasc = be32_to_cpu(ioasa->fd_ioasc) & IPR_IOASC_IOASC_MASK;
if (0 == ioasc)
return;
@@ -4466,7 +4467,10 @@
if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL)
return;
- error_index = ipr_get_error(ioasc);
+ if (ioasc == IPR_IOASC_BUS_WAS_RESET && fd_ioasc)
+ error_index = ipr_get_error(fd_ioasc);
+ else
+ error_index = ipr_get_error(ioasc);
if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) {
/* Don't log an error if the IOA already logged one */