struct gendisk *disk;
struct Scsi_Host *host;
- struct ide_atapi_pc *pc; /* Current packet command */
unsigned long transform; /* SCSI cmd translation layer */
unsigned long log; /* log flags */
} idescsi_scsi_t;
static int idescsi_end_request(ide_drive_t *, int, int);
-static void ide_scsi_callback(ide_drive_t *drive)
+static void ide_scsi_callback(ide_drive_t *drive, int dsc)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- struct ide_atapi_pc *pc = scsi->pc;
+ struct ide_atapi_pc *pc = drive->pc;
if (pc->flags & PC_FLAG_TIMEDOUT)
debug_log("%s: got timed out packet %lu at %lu\n", __func__,
spin_unlock_irqrestore(host->host_lock, flags);
kfree(pc);
blk_put_request(rq);
- scsi->pc = NULL;
+ drive->pc = NULL;
return 0;
}
-static inline unsigned long get_timeout(struct ide_atapi_pc *pc)
-{
- return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies);
-}
-
-static int idescsi_expiry(ide_drive_t *drive)
-{
- idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- struct ide_atapi_pc *pc = scsi->pc;
-
- debug_log("%s called for %lu at %lu\n", __func__,
- pc->scsi_cmd->serial_number, jiffies);
-
- pc->flags |= PC_FLAG_TIMEDOUT;
-
- return 0; /* we do not want the ide subsystem to retry */
-}
-
-/*
- * Our interrupt handler.
- */
-static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
-{
- idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- struct ide_atapi_pc *pc = scsi->pc;
-
- return ide_pc_intr(drive, pc, idescsi_pc_intr, get_timeout(pc),
- idescsi_expiry, NULL, NULL, NULL,
- ide_io_buffers);
-}
-
-static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive)
-{
- idescsi_scsi_t *scsi = drive_to_idescsi(drive);
-
- return ide_transfer_pc(drive, scsi->pc, idescsi_pc_intr,
- get_timeout(scsi->pc), idescsi_expiry);
-}
-
static inline int idescsi_set_direction(struct ide_atapi_pc *pc)
{
switch (pc->c[0]) {
static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive,
struct ide_atapi_pc *pc)
{
- idescsi_scsi_t *scsi = drive_to_idescsi(drive);
-
/* Set the current packet command */
- scsi->pc = pc;
+ drive->pc = pc;
- return ide_issue_pc(drive, pc, idescsi_transfer_pc,
- get_timeout(pc), idescsi_expiry);
+ return ide_issue_pc(drive, ide_scsi_get_timeout(pc), ide_scsi_expiry);
}
/*
if (blk_sense_request(rq) || blk_special_request(rq)) {
struct ide_atapi_pc *pc = (struct ide_atapi_pc *)rq->special;
- if (drive->using_dma && !idescsi_map_sg(drive, pc))
+ if ((drive->dev_flags & IDE_DFLAG_USING_DMA) &&
+ idescsi_map_sg(drive, pc) == 0)
pc->flags |= PC_FLAG_DMA_OK;
return idescsi_issue_pc(drive, pc);
}
#ifdef CONFIG_IDE_PROC_FS
+static ide_proc_entry_t idescsi_proc[] = {
+ { "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
+ { NULL, 0, NULL, NULL }
+};
+
#define ide_scsi_devset_get(name, field) \
static int get_##name(ide_drive_t *drive) \
{ \
IDE_PROC_DEVSET(transform, 0, 3),
{ 0 },
};
+
+static ide_proc_entry_t *ide_scsi_proc_entries(ide_drive_t *drive)
+{
+ return idescsi_proc;
+}
+
+static const struct ide_proc_devset *ide_scsi_proc_devsets(ide_drive_t *drive)
+{
+ return idescsi_settings;
+}
#endif
/*
*/
static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi)
{
- if ((drive->id[ATA_ID_CONFIG] & 0x0060) == 0x20)
- 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;
+ drive->pc_callback = ide_scsi_callback;
+ drive->pc_update_buffers = NULL;
+ drive->pc_io_buffers = ide_io_buffers;
ide_proc_register_driver(drive, scsi->driver);
}
ide_scsi_put(scsi);
- drive->scsi = 0;
+ drive->dev_flags &= ~IDE_DFLAG_SCSI;
}
static int ide_scsi_probe(ide_drive_t *);
-#ifdef CONFIG_IDE_PROC_FS
-static ide_proc_entry_t idescsi_proc[] = {
- { "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
- { NULL, 0, NULL, NULL }
-};
-#endif
-
static ide_driver_t idescsi_driver = {
.gen_driver = {
.owner = THIS_MODULE,
.probe = ide_scsi_probe,
.remove = ide_scsi_remove,
.version = IDESCSI_VERSION,
- .media = ide_scsi,
.do_request = idescsi_do_request,
.end_request = idescsi_end_request,
.error = idescsi_atapi_error,
#ifdef CONFIG_IDE_PROC_FS
- .proc = idescsi_proc,
- .settings = idescsi_settings,
+ .proc_entries = ide_scsi_proc_entries,
+ .proc_devsets = ide_scsi_proc_devsets,
#endif
};
-static int idescsi_ide_open(struct inode *inode, struct file *filp)
+static int idescsi_ide_open(struct block_device *bdev, fmode_t mode)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_scsi_obj *scsi;
+ struct ide_scsi_obj *scsi = ide_scsi_get(bdev->bd_disk);
- if (!(scsi = ide_scsi_get(disk)))
+ if (!scsi)
return -ENXIO;
return 0;
}
-static int idescsi_ide_release(struct inode *inode, struct file *filp)
+static int idescsi_ide_release(struct gendisk *disk, fmode_t mode)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_scsi_obj *scsi = ide_scsi_g(disk);
-
- ide_scsi_put(scsi);
-
+ ide_scsi_put(ide_scsi_g(disk));
return 0;
}
-static int idescsi_ide_ioctl(struct inode *inode, struct file *file,
+static int idescsi_ide_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
- struct block_device *bdev = inode->i_bdev;
struct ide_scsi_obj *scsi = ide_scsi_g(bdev->bd_disk);
- return generic_ide_ioctl(scsi->drive, file, bdev, cmd, arg);
+ return generic_ide_ioctl(scsi->drive, bdev, cmd, arg);
}
static struct block_device_operations idescsi_ops = {
.owner = THIS_MODULE,
.open = idescsi_ide_open,
.release = idescsi_ide_release,
- .ioctl = idescsi_ide_ioctl,
+ .locked_ioctl = idescsi_ide_ioctl,
};
static int idescsi_slave_configure(struct scsi_device * sdp)
int busy;
int ret = FAILED;
+ struct ide_atapi_pc *pc;
+
/* In idescsi_eh_abort we try to gently pry our command from the ide subsystem */
if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
spin_lock_irq(&ide_lock);
/* If there is no pc running we're done (our interrupt took care of it) */
- if (!scsi->pc) {
+ pc = drive->pc;
+ if (pc == NULL) {
ret = SUCCESS;
goto ide_unlock;
}
/* It's somewhere in flight. Does ide subsystem agree? */
- if (scsi->pc->scsi_cmd->serial_number == cmd->serial_number && !busy &&
- elv_queue_empty(drive->queue) && HWGROUP(drive)->rq != scsi->pc->rq) {
+ if (pc->scsi_cmd->serial_number == cmd->serial_number && !busy &&
+ elv_queue_empty(drive->queue) && HWGROUP(drive)->rq != pc->rq) {
/*
* FIXME - not sure this condition can ever occur
*/
printk (KERN_ERR "ide-scsi: cmd aborted!\n");
- if (blk_sense_request(scsi->pc->rq))
- kfree(scsi->pc->buf);
+ if (blk_sense_request(pc->rq))
+ kfree(pc->buf);
/* we need to call blk_put_request twice. */
- blk_put_request(scsi->pc->rq);
- blk_put_request(scsi->pc->rq);
- kfree(scsi->pc);
- scsi->pc = NULL;
+ blk_put_request(pc->rq);
+ blk_put_request(pc->rq);
+ kfree(pc);
+ drive->pc = NULL;
ret = SUCCESS;
}
int ready = 0;
int ret = SUCCESS;
+ struct ide_atapi_pc *pc;
+
/* In idescsi_eh_reset we forcefully remove the command from the ide subsystem and reset the device. */
if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
spin_lock_irq(cmd->device->host->host_lock);
spin_lock(&ide_lock);
- if (!scsi->pc || (req = scsi->pc->rq) != HWGROUP(drive)->rq || !HWGROUP(drive)->handler) {
+ pc = drive->pc;
+
+ if (pc == NULL || (req = pc->rq) != HWGROUP(drive)->rq || !HWGROUP(drive)->handler) {
printk (KERN_WARNING "ide-scsi: No active request in idescsi_eh_reset\n");
spin_unlock(&ide_lock);
spin_unlock_irq(cmd->device->host->host_lock);
if (__blk_end_request(req, -EIO, 0))
BUG();
if (blk_sense_request(req))
- kfree(scsi->pc->buf);
- kfree(scsi->pc);
- scsi->pc = NULL;
+ kfree(pc->buf);
+ kfree(pc);
+ drive->pc = NULL;
blk_put_request(req);
/* now nuke the drive queue */
!(host = scsi_host_alloc(&idescsi_template,sizeof(idescsi_scsi_t))))
return -ENODEV;
- drive->scsi = 1;
+ drive->dev_flags |= IDE_DFLAG_SCSI;
g = alloc_disk(1 << PARTN_BITS);
if (!g)
put_disk(g);
out_host_put:
- drive->scsi = 0;
+ drive->dev_flags &= ~IDE_DFLAG_SCSI;
scsi_host_put(host);
return err;
}
projects / linux-2.6-omap-h63xx.git / blobdiff