From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Moore Subject: [PATCH 5/9] mptfusion: sas nexus loss support Date: Tue, 11 Jul 2006 17:25:35 -0600 Message-ID: <20060711232535.GE12249@lsil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail0.lsil.com ([147.145.40.20]:14546 "EHLO mail0.lsil.com") by vger.kernel.org with ESMTP id S932253AbWGKXi0 (ORCPT ); Tue, 11 Jul 2006 19:38:26 -0400 Content-Disposition: inline Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org, James.Bottomley@SteelEye.com sas nexus loss support for systems that suport failover. Signed-off-by: Eric Moore diff -uarpN b/drivers/message/fusion/mptscsih.c a/drivers/message/fusion/mptscsih.c --- b/drivers/message/fusion/mptscsih.c 2006-07-11 12:42:53.000000000 -0600 +++ a/drivers/message/fusion/mptscsih.c 2006-07-11 12:58:55.000000000 -0600 @@ -66,6 +66,7 @@ #include "mptbase.h" #include "mptscsih.h" +#include "lsi/mpi_log_sas.h" /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ #define my_NAME "Fusion MPT SCSI Host driver" @@ -667,8 +668,24 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_F } 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.