diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/message/fusion/mptscsih.c | 78 |
1 files changed, 19 insertions, 59 deletions
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index fa0f7761652a..561074a04b03 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -260,30 +260,13 @@ mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, /* Map the data portion, if any. * sges_left = 0 if no data transfer. */ - if ( (sges_left = SCpnt->use_sg) ) { - sges_left = pci_map_sg(ioc->pcidev, - (struct scatterlist *) SCpnt->request_buffer, - SCpnt->use_sg, - SCpnt->sc_data_direction); - if (sges_left == 0) - return FAILED; - } else if (SCpnt->request_bufflen) { - SCpnt->SCp.dma_handle = pci_map_single(ioc->pcidev, - SCpnt->request_buffer, - SCpnt->request_bufflen, - SCpnt->sc_data_direction); - dsgprintk((MYIOC_s_INFO_FMT "SG: non-SG for %p, len=%d\n", - ioc->name, SCpnt, SCpnt->request_bufflen)); - mptscsih_add_sge((char *) &pReq->SGL, - 0xD1000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|SCpnt->request_bufflen, - SCpnt->SCp.dma_handle); - - return SUCCESS; - } + sges_left = scsi_dma_map(SCpnt); + if (sges_left < 0) + return FAILED; /* Handle the SG case. */ - sg = (struct scatterlist *) SCpnt->request_buffer; + sg = scsi_sglist(SCpnt); sg_done = 0; sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); chainSge = NULL; @@ -662,7 +645,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) scsi_state = pScsiReply->SCSIState; scsi_status = pScsiReply->SCSIStatus; xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); - sc->resid = sc->request_bufflen - xfer_cnt; + scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); log_info = le32_to_cpu(pScsiReply->IOCLogInfo); /* @@ -767,7 +750,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) break; case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ - sc->resid = sc->request_bufflen - xfer_cnt; + scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) sc->result=DID_SOFT_ERROR << 16; else /* Sufficient data transfer occurred */ @@ -816,7 +799,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) break; case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ - sc->resid=0; + scsi_set_resid(sc, 0); case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ sc->result = (DID_OK << 16) | scsi_status; @@ -899,23 +882,18 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) scsi_state, scsi_status, log_info)); dreplyprintk(("%s: [%d:%d:%d:%d] resid=%d " - "bufflen=%d xfer_cnt=%d\n", __FUNCTION__, - sc->device->host->host_no, sc->device->channel, sc->device->id, - sc->device->lun, sc->resid, sc->request_bufflen, - xfer_cnt)); + "bufflen=%d xfer_cnt=%d\n", __FUNCTION__, + sc->device->host->host_no, + sc->device->channel, sc->device->id, + sc->device->lun, scsi_get_resid(sc), + scsi_bufflen(sc), xfer_cnt)); } #endif } /* end of address reply case */ /* Unmap the DMA buffers, if any. */ - if (sc->use_sg) { - pci_unmap_sg(ioc->pcidev, (struct scatterlist *) sc->request_buffer, - sc->use_sg, sc->sc_data_direction); - } else if (sc->request_bufflen) { - pci_unmap_single(ioc->pcidev, sc->SCp.dma_handle, - sc->request_bufflen, sc->sc_data_direction); - } + scsi_dma_unmap(sc); sc->scsi_done(sc); /* Issue the command callback */ @@ -970,17 +948,8 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) /* Set status, free OS resources (SG DMA buffers) * Do OS callback */ - if (SCpnt->use_sg) { - pci_unmap_sg(ioc->pcidev, - (struct scatterlist *) SCpnt->request_buffer, - SCpnt->use_sg, - SCpnt->sc_data_direction); - } else if (SCpnt->request_bufflen) { - pci_unmap_single(ioc->pcidev, - SCpnt->SCp.dma_handle, - SCpnt->request_bufflen, - SCpnt->sc_data_direction); - } + scsi_dma_unmap(SCpnt); + SCpnt->result = DID_RESET << 16; SCpnt->host_scribble = NULL; @@ -1039,17 +1008,8 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf); if ((unsigned char *)mf != sc->host_scribble) continue; - if (sc->use_sg) { - pci_unmap_sg(hd->ioc->pcidev, - (struct scatterlist *) sc->request_buffer, - sc->use_sg, - sc->sc_data_direction); - } else if (sc->request_bufflen) { - pci_unmap_single(hd->ioc->pcidev, - sc->SCp.dma_handle, - sc->request_bufflen, - sc->sc_data_direction); - } + scsi_dma_unmap(sc); + sc->host_scribble = NULL; sc->result = DID_NO_CONNECT << 16; sc->scsi_done(sc); @@ -1380,10 +1340,10 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) * will be no data transfer! GRRRRR... */ if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { - datalen = SCpnt->request_bufflen; + datalen = scsi_bufflen(SCpnt); scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { - datalen = SCpnt->request_bufflen; + datalen = scsi_bufflen(SCpnt); scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ } else { datalen = 0; |