diff options
Diffstat (limited to 'drivers/message/fusion/mptscsih.c')
-rw-r--r-- | drivers/message/fusion/mptscsih.c | 95 |
1 files changed, 88 insertions, 7 deletions
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index c2957861450..57752751712 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -792,11 +792,36 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) * precedence! */ sc->result = (DID_OK << 16) | scsi_status; - if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { - /* Have already saved the status and sense data + if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) { + + /* + * For an Errata on LSI53C1030 + * When the length of request data + * and transfer data are different + * with result of command (READ or VERIFY), + * DID_SOFT_ERROR is set. */ - ; - } else { + if (ioc->bus_type == SPI) { + if (pScsiReq->CDB[0] == READ_6 || + pScsiReq->CDB[0] == READ_10 || + pScsiReq->CDB[0] == READ_12 || + pScsiReq->CDB[0] == READ_16 || + pScsiReq->CDB[0] == VERIFY || + pScsiReq->CDB[0] == VERIFY_16) { + if (scsi_bufflen(sc) != + xfer_cnt) { + sc->result = + DID_SOFT_ERROR << 16; + printk(KERN_WARNING "Errata" + "on LSI53C1030 occurred." + "sc->req_bufflen=0x%02x," + "xfer_cnt=0x%02x\n", + scsi_bufflen(sc), + xfer_cnt); + } + } + } + if (xfer_cnt < sc->underflow) { if (scsi_status == SAM_STAT_BUSY) sc->result = SAM_STAT_BUSY; @@ -835,7 +860,58 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) sc->result = (DID_OK << 16) | scsi_status; if (scsi_state == 0) { ; - } else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { + } else if (scsi_state & + MPI_SCSI_STATE_AUTOSENSE_VALID) { + + /* + * For potential trouble on LSI53C1030. + * (date:2007.xx.) + * It is checked whether the length of + * request data is equal to + * the length of transfer and residual. + * MEDIUM_ERROR is set by incorrect data. + */ + if ((ioc->bus_type == SPI) && + (sc->sense_buffer[2] & 0x20)) { + u32 difftransfer; + difftransfer = + sc->sense_buffer[3] << 24 | + sc->sense_buffer[4] << 16 | + sc->sense_buffer[5] << 8 | + sc->sense_buffer[6]; + if (((sc->sense_buffer[3] & 0x80) == + 0x80) && (scsi_bufflen(sc) + != xfer_cnt)) { + sc->sense_buffer[2] = + MEDIUM_ERROR; + sc->sense_buffer[12] = 0xff; + sc->sense_buffer[13] = 0xff; + printk(KERN_WARNING"Errata" + "on LSI53C1030 occurred." + "sc->req_bufflen=0x%02x," + "xfer_cnt=0x%02x\n" , + scsi_bufflen(sc), + xfer_cnt); + } + if (((sc->sense_buffer[3] & 0x80) + != 0x80) && + (scsi_bufflen(sc) != + xfer_cnt + difftransfer)) { + sc->sense_buffer[2] = + MEDIUM_ERROR; + sc->sense_buffer[12] = 0xff; + sc->sense_buffer[13] = 0xff; + printk(KERN_WARNING + "Errata on LSI53C1030 occurred" + "sc->req_bufflen=0x%02x," + " xfer_cnt=0x%02x," + "difftransfer=0x%02x\n", + scsi_bufflen(sc), + xfer_cnt, + difftransfer); + } + } + /* * If running against circa 200003dd 909 MPT f/w, * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL @@ -2275,11 +2351,12 @@ mptscsih_slave_destroy(struct scsi_device *sdev) * mptscsih_change_queue_depth - This function will set a devices queue depth * @sdev: per scsi_device pointer * @qdepth: requested queue depth + * @reason: calling context * * Adding support for new 'change_queue_depth' api. */ int -mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) +mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) { MPT_SCSI_HOST *hd = shost_priv(sdev->host); VirtTarget *vtarget; @@ -2291,6 +2368,9 @@ mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) starget = scsi_target(sdev); vtarget = starget->hostdata; + if (reason != SCSI_QDEPTH_DEFAULT) + return -EOPNOTSUPP; + if (ioc->bus_type == SPI) { if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) max_depth = 1; @@ -2357,7 +2437,8 @@ mptscsih_slave_configure(struct scsi_device *sdev) ioc->name, vtarget->negoFlags, vtarget->maxOffset, vtarget->minSyncFactor)); - mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH); + mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH, + SCSI_QDEPTH_DEFAULT); dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "tagged %d, simple %d, ordered %d\n", ioc->name,sdev->tagged_supported, sdev->simple_tags, |