aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ide-scsi.c75
-rw-r--r--drivers/scsi/ipr.c9
-rw-r--r--drivers/scsi/libsas/sas_ata.c14
3 files changed, 47 insertions, 51 deletions
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 9706de9d98d..02e91893064 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -395,14 +395,12 @@ static int idescsi_expiry(ide_drive_t *drive)
static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- idescsi_pc_t *pc=scsi->pc;
+ ide_hwif_t *hwif = drive->hwif;
+ idescsi_pc_t *pc = scsi->pc;
struct request *rq = pc->rq;
- atapi_bcount_t bcount;
- atapi_status_t status;
- atapi_ireason_t ireason;
- atapi_feature_t feature;
-
unsigned int temp;
+ u16 bcount;
+ u8 stat, ireason;
#if IDESCSI_DEBUG_LOG
printk (KERN_INFO "ide-scsi: Reached idescsi_pc_intr interrupt handler\n");
@@ -425,30 +423,29 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
(void) HWIF(drive)->ide_dma_end(drive);
}
- feature.all = 0;
/* Clear the interrupt */
- status.all = HWIF(drive)->INB(IDE_STATUS_REG);
+ stat = drive->hwif->INB(IDE_STATUS_REG);
- if (!status.b.drq) {
+ if ((stat & DRQ_STAT) == 0) {
/* No more interrupts */
if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
printk (KERN_INFO "Packet command completed, %d bytes transferred\n", pc->actually_transferred);
local_irq_enable_in_hardirq();
- if (status.b.check)
+ if (stat & ERR_STAT)
rq->errors++;
idescsi_end_request (drive, 1, 0);
return ide_stopped;
}
- bcount.b.low = HWIF(drive)->INB(IDE_BCOUNTL_REG);
- bcount.b.high = HWIF(drive)->INB(IDE_BCOUNTH_REG);
- ireason.all = HWIF(drive)->INB(IDE_IREASON_REG);
+ bcount = (hwif->INB(IDE_BCOUNTH_REG) << 8) |
+ hwif->INB(IDE_BCOUNTL_REG);
+ ireason = hwif->INB(IDE_IREASON_REG);
- if (ireason.b.cod) {
+ if (ireason & CD) {
printk(KERN_ERR "ide-scsi: CoD != 0 in idescsi_pc_intr\n");
return ide_do_reset (drive);
}
- if (ireason.b.io) {
- temp = pc->actually_transferred + bcount.all;
+ if (ireason & IO) {
+ temp = pc->actually_transferred + bcount;
if (temp > pc->request_transfer) {
if (temp > pc->buffer_size) {
printk(KERN_ERR "ide-scsi: The scsi wants to "
@@ -461,11 +458,13 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
idescsi_input_buffers(drive, pc, temp);
else
drive->hwif->atapi_input_bytes(drive, pc->current_position, temp);
- printk(KERN_ERR "ide-scsi: transferred %d of %d bytes\n", temp, bcount.all);
+ printk(KERN_ERR "ide-scsi: transferred"
+ " %d of %d bytes\n",
+ temp, bcount);
}
pc->actually_transferred += temp;
pc->current_position += temp;
- idescsi_discard_data(drive, bcount.all - temp);
+ idescsi_discard_data(drive, bcount - temp);
ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
return ide_started;
}
@@ -474,22 +473,24 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
#endif /* IDESCSI_DEBUG_LOG */
}
}
- if (ireason.b.io) {
+ if (ireason & IO) {
clear_bit(PC_WRITING, &pc->flags);
if (pc->sg)
- idescsi_input_buffers(drive, pc, bcount.all);
+ idescsi_input_buffers(drive, pc, bcount);
else
- HWIF(drive)->atapi_input_bytes(drive, pc->current_position, bcount.all);
+ hwif->atapi_input_bytes(drive, pc->current_position,
+ bcount);
} else {
set_bit(PC_WRITING, &pc->flags);
if (pc->sg)
- idescsi_output_buffers (drive, pc, bcount.all);
+ idescsi_output_buffers(drive, pc, bcount);
else
- HWIF(drive)->atapi_output_bytes(drive, pc->current_position, bcount.all);
+ hwif->atapi_output_bytes(drive, pc->current_position,
+ bcount);
}
/* Update the current position */
- pc->actually_transferred += bcount.all;
- pc->current_position += bcount.all;
+ pc->actually_transferred += bcount;
+ pc->current_position += bcount;
/* And set the interrupt handler again */
ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
@@ -501,16 +502,16 @@ static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
idescsi_pc_t *pc = scsi->pc;
- atapi_ireason_t ireason;
ide_startstop_t startstop;
+ u8 ireason;
if (ide_wait_stat(&startstop,drive,DRQ_STAT,BUSY_STAT,WAIT_READY)) {
printk(KERN_ERR "ide-scsi: Strange, packet command "
"initiated yet DRQ isn't asserted\n");
return startstop;
}
- ireason.all = HWIF(drive)->INB(IDE_IREASON_REG);
- if (!ireason.b.cod || ireason.b.io) {
+ ireason = hwif->INB(IDE_IREASON_REG);
+ if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-scsi: (IO,CoD) != (0,1) while "
"issuing a packet command\n");
return ide_do_reset (drive);
@@ -573,30 +574,26 @@ static ide_startstop_t idescsi_issue_pc (ide_drive_t *drive, idescsi_pc_t *pc)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
ide_hwif_t *hwif = drive->hwif;
- atapi_feature_t feature;
- atapi_bcount_t bcount;
+ u16 bcount;
+ u8 dma = 0;
scsi->pc=pc; /* Set the current packet command */
pc->actually_transferred=0; /* We haven't transferred any data yet */
pc->current_position=pc->buffer;
- bcount.all = min(pc->request_transfer, 63 * 1024); /* Request to transfer the entire buffer at once */
+ /* Request to transfer the entire buffer at once */
+ bcount = min(pc->request_transfer, 63 * 1024);
- feature.all = 0;
if (drive->using_dma && !idescsi_map_sg(drive, pc)) {
hwif->sg_mapped = 1;
- feature.b.dma = !hwif->dma_setup(drive);
+ dma = !hwif->dma_setup(drive);
hwif->sg_mapped = 0;
}
SELECT_DRIVE(drive);
- if (IDE_CONTROL_REG)
- HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
- HWIF(drive)->OUTB(feature.all, IDE_FEATURE_REG);
- HWIF(drive)->OUTB(bcount.b.high, IDE_BCOUNTH_REG);
- HWIF(drive)->OUTB(bcount.b.low, IDE_BCOUNTL_REG);
+ ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK, bcount, dma);
- if (feature.b.dma)
+ if (dma)
set_bit(PC_DMA_OK, &pc->flags);
if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags)) {
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 0841df01bc1..aa0df0a4b22 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5142,6 +5142,7 @@ static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd,
struct ipr_ioadl_desc *last_ioadl = NULL;
int len = qc->nbytes + qc->pad_len;
struct scatterlist *sg;
+ unsigned int si;
if (len == 0)
return;
@@ -5159,7 +5160,7 @@ static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd,
cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
}
- ata_for_each_sg(sg, qc) {
+ for_each_sg(qc->sg, sg, qc->n_elem, si) {
ioadl->flags_and_data_len = cpu_to_be32(ioadl_flags | sg_dma_len(sg));
ioadl->address = cpu_to_be32(sg_dma_address(sg));
@@ -5222,12 +5223,12 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc)
regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA;
break;
- case ATA_PROT_ATAPI:
- case ATA_PROT_ATAPI_NODATA:
+ case ATAPI_PROT_PIO:
+ case ATAPI_PROT_NODATA:
regs->flags |= IPR_ATA_FLAG_PACKET_CMD;
break;
- case ATA_PROT_ATAPI_DMA:
+ case ATAPI_PROT_DMA:
regs->flags |= IPR_ATA_FLAG_PACKET_CMD;
regs->flags |= IPR_ATA_FLAG_XFER_TYPE_DMA;
break;
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 0829b55c64d..827cfb132f2 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -158,8 +158,8 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
struct Scsi_Host *host = sas_ha->core.shost;
struct sas_internal *i = to_sas_internal(host->transportt);
struct scatterlist *sg;
- unsigned int num = 0;
unsigned int xfer = 0;
+ unsigned int si;
task = sas_alloc_task(GFP_ATOMIC);
if (!task)
@@ -176,22 +176,20 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
ata_tf_to_fis(&qc->tf, 1, 0, (u8*)&task->ata_task.fis);
task->uldd_task = qc;
- if (is_atapi_taskfile(&qc->tf)) {
+ if (ata_is_atapi(qc->tf.protocol)) {
memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len);
task->total_xfer_len = qc->nbytes + qc->pad_len;
task->num_scatter = qc->pad_len ? qc->n_elem + 1 : qc->n_elem;
} else {
- ata_for_each_sg(sg, qc) {
- num++;
+ for_each_sg(qc->sg, sg, qc->n_elem, si)
xfer += sg->length;
- }
task->total_xfer_len = xfer;
- task->num_scatter = num;
+ task->num_scatter = si;
}
task->data_dir = qc->dma_dir;
- task->scatter = qc->__sg;
+ task->scatter = qc->sg;
task->ata_task.retry_count = 1;
task->task_state_flags = SAS_TASK_STATE_PENDING;
qc->lldd_task = task;
@@ -200,7 +198,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
case ATA_PROT_NCQ:
task->ata_task.use_ncq = 1;
/* fall through */
- case ATA_PROT_ATAPI_DMA:
+ case ATAPI_PROT_DMA:
case ATA_PROT_DMA:
task->ata_task.dma_xfer = 1;
break;