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| author | Eric Moore <eric.moore@lsil.com> | 2006-07-11 17:25:35 -0600 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-07-13 09:27:18 -0400 |
| commit | bf4515227c36fde1887f3fc0afc25a9bb4726842 (patch) | |
| tree | a16efb1aa29fef58c7983c390f394cd0079ff9e8 | |
| parent | 4f766dc6d30ab0d958cbeafaeab5ed2538ec7015 (diff) | |
| download | linux-bf4515227c36fde1887f3fc0afc25a9bb4726842.tar.bz2 | |
[SCSI] mptfusion: sas nexus loss support
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>
| -rw-r--r-- | drivers/message/fusion/mptscsih.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index c8a9d8e8c5de..bc099651df73 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -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. |