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[SCSI] mptfusion: sas nexus loss support

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sas nexus loss support for systems that suport failover.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Eric Moore 2006-07-11 17:25:35 -06:00 committed by James Bottomley
parent 4f766dc6d3
commit bf4515227c
1 changed files with 18 additions and 1 deletions
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19
drivers/message/fusion/mptscsih.c
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@ -66,6 +66,7 @@
#include "mptbase.h"
#include "mptscsih.h"
#include "lsi/mpi_log_sas.h"
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#define my_NAME "Fusion MPT SCSI Host driver"
@ -682,8 +683,24 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
}
break;
case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
if ( ioc->bus_type == SAS ) {
u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
log_info &=SAS_LOGINFO_MASK;
if (log_info == SAS_LOGINFO_NEXUS_LOSS) {
sc->result = (DID_BUS_BUSY << 16);
break;
}
}
}
/*
* Allow non-SAS & non-NEXUS_LOSS to drop into below code
*/
case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
/* Linux handles an unsolicited DID_RESET better
* than an unsolicited DID_ABORT.