struct Scsi_Host *host;
struct ide_atapi_pc *pc; /* Current packet command */
- unsigned long flags; /* Status/Action flags */
unsigned long transform; /* SCSI cmd translation layer */
unsigned long log; /* log flags */
} idescsi_scsi_t;
return scsihost_to_idescsi(ide_drive->driver_data);
}
-/*
- * Per ATAPI device status bits.
- */
-#define IDESCSI_DRQ_INTERRUPT 0 /* DRQ interrupt device */
-
-/*
- * ide-scsi requests.
- */
-#define IDESCSI_PC_RQ 90
-
/*
* PIO data transfer routine using the scatter gather table.
*/
unsigned int bcount, int write)
{
ide_hwif_t *hwif = drive->hwif;
- xfer_func_t *xf = write ? hwif->output_data : hwif->input_data;
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
+ xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data;
char *buf;
int count;
print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, data, len, 0);
}
+static int idescsi_end_request(ide_drive_t *, int, int);
+
+static void ide_scsi_callback(ide_drive_t *drive)
+{
+ idescsi_scsi_t *scsi = drive_to_idescsi(drive);
+ struct ide_atapi_pc *pc = scsi->pc;
+
+ if (pc->flags & PC_FLAG_TIMEDOUT)
+ debug_log("%s: got timed out packet %lu at %lu\n", __func__,
+ pc->scsi_cmd->serial_number, jiffies);
+ /* end this request now - scsi should retry it*/
+ else if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
+ printk(KERN_INFO "Packet command completed, %d bytes"
+ " transferred\n", pc->xferred);
+
+ idescsi_end_request(drive, 1, 0);
+}
+
static int idescsi_check_condition(ide_drive_t *drive,
struct request *failed_cmd)
{
ide_scsi_hex_dump(pc->c, 6);
}
rq->rq_disk = scsi->disk;
+ memcpy(rq->cmd, pc->c, 12);
ide_do_drive_cmd(drive, rq);
return 0;
}
-static int idescsi_end_request(ide_drive_t *, int, int);
-
static ide_startstop_t
idescsi_atapi_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err)
{
ide_hwif_t *hwif = drive->hwif;
- if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT))
+ if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT))
/* force an abort */
- hwif->OUTBSYNC(hwif, WIN_IDLEIMMEDIATE,
- hwif->io_ports.command_addr);
+ hwif->tp_ops->exec_command(hwif, WIN_IDLEIMMEDIATE);
rq->errors++;
return ide_stopped;
}
-static ide_startstop_t
-idescsi_atapi_abort(ide_drive_t *drive, struct request *rq)
-{
- debug_log("%s called for %lu\n", __func__,
- ((struct ide_atapi_pc *) rq->special)->scsi_cmd->serial_number);
-
- rq->errors |= ERROR_MAX;
-
- idescsi_end_request(drive, 0, 0);
-
- return ide_stopped;
-}
-
static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- ide_hwif_t *hwif = drive->hwif;
struct ide_atapi_pc *pc = scsi->pc;
- struct request *rq = pc->rq;
- xfer_func_t *xferfunc;
- unsigned int temp;
- u16 bcount;
- u8 stat, ireason;
- debug_log("Reached %s interrupt handler\n", __func__);
-
- if (pc->flags & PC_FLAG_TIMEDOUT) {
- debug_log("%s: got timed out packet %lu at %lu\n", __func__,
- pc->scsi_cmd->serial_number, jiffies);
- /* end this request now - scsi should retry it*/
- idescsi_end_request (drive, 1, 0);
- return ide_stopped;
- }
- if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
- if (hwif->dma_ops->dma_end(drive))
- pc->flags |= PC_FLAG_DMA_ERROR;
- else
- pc->xferred = pc->req_xfer;
- debug_log("%s: DMA finished\n", drive->name);
- }
-
- /* Clear the interrupt */
- stat = ide_read_status(drive);
-
- 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->xferred);
- pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;
- local_irq_enable_in_hardirq();
- if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR))
- rq->errors++;
- idescsi_end_request (drive, 1, 0);
- return ide_stopped;
- }
- if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
- pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;
- printk(KERN_ERR "%s: The device wants to issue more interrupts "
- "in DMA mode\n", drive->name);
- ide_dma_off(drive);
- return ide_do_reset(drive);
- }
- bcount = (hwif->INB(hwif->io_ports.lbah_addr) << 8) |
- hwif->INB(hwif->io_ports.lbam_addr);
- ireason = hwif->INB(hwif->io_ports.nsect_addr);
-
- if (ireason & CD) {
- printk(KERN_ERR "%s: CoD != 0 in %s\n", drive->name, __func__);
- return ide_do_reset (drive);
- }
- if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) {
- /* Hopefully, we will never get here */
- printk(KERN_ERR "%s: We wanted to %s, but the device wants us "
- "to %s!\n", drive->name,
- (ireason & IO) ? "Write" : "Read",
- (ireason & IO) ? "Read" : "Write");
- return ide_do_reset(drive);
- }
- if (!(pc->flags & PC_FLAG_WRITING)) {
- temp = pc->xferred + bcount;
- if (temp > pc->req_xfer) {
- if (temp > pc->buf_size) {
- printk(KERN_ERR "%s: The device wants to send "
- "us more data than expected - "
- "discarding data\n",
- drive->name);
- temp = pc->buf_size - pc->xferred;
- if (temp) {
- if (pc->sg)
- ide_scsi_io_buffers(drive, pc,
- temp, 0);
- else
- hwif->input_data(drive, NULL,
- pc->cur_pos, temp);
- printk(KERN_ERR "%s: transferred %d of "
- "%d bytes\n",
- drive->name,
- temp, bcount);
- }
- pc->xferred += temp;
- pc->cur_pos += temp;
- ide_pad_transfer(drive, 0, bcount - temp);
- ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
- return ide_started;
- }
- debug_log("The device wants to send us more data than "
- "expected - allowing transfer\n");
- }
- xferfunc = hwif->input_data;
- } else
- xferfunc = hwif->output_data;
-
- if (pc->sg)
- ide_scsi_io_buffers(drive, pc, bcount,
- !!(pc->flags & PC_FLAG_WRITING));
- else
- xferfunc(drive, NULL, pc->cur_pos, bcount);
-
- /* Update the current position */
- pc->xferred += bcount;
- pc->cur_pos += bcount;
-
- /* And set the interrupt handler again */
- ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
- return ide_started;
+ return ide_pc_intr(drive, pc, idescsi_pc_intr, get_timeout(pc),
+ idescsi_expiry, NULL, NULL, NULL,
+ ide_scsi_io_buffers);
}
static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive)
if (blk_sense_request(rq) || blk_special_request(rq)) {
struct ide_atapi_pc *pc = (struct ide_atapi_pc *)rq->special;
- idescsi_scsi_t *scsi = drive_to_idescsi(drive);
-
- if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags))
- pc->flags |= PC_FLAG_DRQ_INTERRUPT;
if (drive->using_dma && !idescsi_map_sg(drive, pc))
pc->flags |= PC_FLAG_DMA_OK;
static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi)
{
if (drive->id && (drive->id->config & 0x0060) == 0x20)
- set_bit (IDESCSI_DRQ_INTERRUPT, &scsi->flags);
+ set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags);
clear_bit(IDESCSI_SG_TRANSFORM, &scsi->transform);
#if IDESCSI_DEBUG_LOG
set_bit(IDESCSI_LOG_CMD, &scsi->log);
#endif /* IDESCSI_DEBUG_LOG */
+
+ drive->pc_callback = ide_scsi_callback;
+
idescsi_add_settings(drive);
}
.do_request = idescsi_do_request,
.end_request = idescsi_end_request,
.error = idescsi_atapi_error,
- .abort = idescsi_atapi_abort,
#ifdef CONFIG_IDE_PROC_FS
.proc = idescsi_proc,
#endif
rq->special = (char *) pc;
rq->cmd_type = REQ_TYPE_SPECIAL;
spin_unlock_irq(host->host_lock);
+ memcpy(rq->cmd, pc->c, 12);
blk_execute_rq_nowait(drive->queue, scsi->disk, rq, 0, NULL);
spin_lock_irq(host->host_lock);
return 0;