/*
- * linux/drivers/scsi/ide-scsi.c Version 0.9 Jul 4, 1999
- *
- * Copyright (C) 1996 - 1999 Gadi Oxman <gadio@netvision.net.il>
+ * Copyright (C) 1996-1999 Gadi Oxman <gadio@netvision.net.il>
+ * Copyright (C) 2004-2005 Bartlomiej Zolnierkiewicz
*/
/*
static ide_startstop_t
idescsi_atapi_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err)
{
- if (HWIF(drive)->INB(IDE_STATUS_REG) & (BUSY_STAT|DRQ_STAT))
+ if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT))
/* force an abort */
HWIF(drive)->OUTB(WIN_IDLEIMMEDIATE,IDE_COMMAND_REG);
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");
(void) HWIF(drive)->ide_dma_end(drive);
}
- feature.all = 0;
/* Clear the interrupt */
- status.all = HWIF(drive)->INB(IDE_STATUS_REG);
+ stat = ide_read_status(drive);
- 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 "
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;
}
#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);
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);
{
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);
+ ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK, bcount, dma);
- 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);
-
- if (feature.b.dma)
+ if (dma)
set_bit(PC_DMA_OK, &pc->flags);
if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags)) {
- BUG_ON(HWGROUP(drive)->handler != NULL);
- ide_set_handler(drive, &idescsi_transfer_pc,
- get_timeout(pc), idescsi_expiry);
- /* Issue the packet command */
- HWIF(drive)->OUTB(WIN_PACKETCMD, IDE_COMMAND_REG);
+ ide_execute_command(drive, WIN_PACKETCMD, &idescsi_transfer_pc,
+ get_timeout(pc), idescsi_expiry);
return ide_started;
} else {
/* Issue the packet command */
}
/* kill current request */
- blkdev_dequeue_request(req);
- end_that_request_last(req, 0);
+ if (__blk_end_request(req, -EIO, 0))
+ BUG();
if (blk_sense_request(req))
kfree(scsi->pc->buffer);
kfree(scsi->pc);
/* now nuke the drive queue */
while ((req = elv_next_request(drive->queue))) {
- blkdev_dequeue_request(req);
- end_that_request_last(req, 0);
+ if (__blk_end_request(req, -EIO, 0))
+ BUG();
}
HWGROUP(drive)->rq = NULL;
projects / linux-2.6-omap-h63xx.git / blobdiff