* to an interrupt or a timer event is stored in the struct defined below.
*/
typedef struct ide_tape_obj {
- ide_drive_t *drive;
- ide_driver_t *driver;
- struct gendisk *disk;
- struct kref kref;
+ ide_drive_t *drive;
+ struct ide_driver *driver;
+ struct gendisk *disk;
+ struct device dev;
/*
* failed_pc points to the last failed packet command, or contains
static struct class *idetape_sysfs_class;
-#define to_ide_tape(obj) container_of(obj, struct ide_tape_obj, kref)
-
-#define ide_tape_g(disk) \
- container_of((disk)->private_data, struct ide_tape_obj, driver)
-
-static void ide_tape_release(struct kref *);
+static void ide_tape_release(struct device *);
static struct ide_tape_obj *ide_tape_get(struct gendisk *disk)
{
struct ide_tape_obj *tape = NULL;
mutex_lock(&idetape_ref_mutex);
- tape = ide_tape_g(disk);
+ tape = ide_drv_g(disk, ide_tape_obj);
if (tape) {
if (ide_device_get(tape->drive))
tape = NULL;
else
- kref_get(&tape->kref);
+ get_device(&tape->dev);
}
mutex_unlock(&idetape_ref_mutex);
return tape;
ide_drive_t *drive = tape->drive;
mutex_lock(&idetape_ref_mutex);
- kref_put(&tape->kref, ide_tape_release);
+ put_device(&tape->dev);
ide_device_put(drive);
mutex_unlock(&idetape_ref_mutex);
}
*/
static struct ide_tape_obj *idetape_devs[MAX_HWIFS * MAX_DRIVES];
-#define ide_tape_f(file) ((file)->private_data)
-
static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i)
{
struct ide_tape_obj *tape = NULL;
mutex_lock(&idetape_ref_mutex);
tape = idetape_devs[i];
if (tape)
- kref_get(&tape->kref);
+ get_device(&tape->dev);
mutex_unlock(&idetape_ref_mutex);
return tape;
}
static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects)
{
- struct request *rq = HWGROUP(drive)->rq;
+ struct request *rq = drive->hwif->rq;
idetape_tape_t *tape = drive->driver_data;
unsigned long flags;
int error;
printk(KERN_ERR "ide-tape: Error in REQUEST SENSE "
"itself - Aborting request!\n");
} else if (pc->c[0] == READ_6 || pc->c[0] == WRITE_6) {
- struct request *rq = drive->hwif->hwgroup->rq;
+ struct request *rq = drive->hwif->rq;
int blocks = pc->xferred / tape->blk_size;
tape->avg_size += blocks * tape->blk_size;
/*
* Postpone the current request so that ide.c will be able to service requests
- * from another device on the same hwgroup while we are polling for DSC.
+ * from another device on the same port while we are polling for DSC.
*/
static void idetape_postpone_request(ide_drive_t *drive)
{
debug_log(DBG_PROCS, "Enter %s\n", __func__);
- tape->postponed_rq = HWGROUP(drive)->rq;
+ tape->postponed_rq = drive->hwif->rq;
+
ide_stall_queue(drive, tape->dsc_poll_freq);
}
pc->retries++;
- return ide_issue_pc(drive, WAIT_TAPE_CMD, NULL);
+ return ide_issue_pc(drive);
}
/* A mode sense command is used to "sense" tape parameters. */
*/
stat = hwif->tp_ops->read_status(hwif);
- if (!drive->dsc_overlap && !(rq->cmd[13] & REQ_IDETAPE_PC2))
+ if ((drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) == 0 &&
+ (rq->cmd[13] & REQ_IDETAPE_PC2) == 0)
set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
- if (drive->post_reset == 1) {
+ if (drive->dev_flags & IDE_DFLAG_POST_RESET) {
set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
- drive->post_reset = 0;
+ drive->dev_flags &= ~IDE_DFLAG_POST_RESET;
}
if (!test_and_clear_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags) &&
* No point in issuing this if DSC overlap isn't supported, some
* drives (Seagate STT3401A) will return an error.
*/
- if (drive->dsc_overlap) {
+ if (drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) {
bytes_read = idetape_queue_rw_tail(drive,
REQ_IDETAPE_READ, 0,
tape->merge_bh);
static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- struct ide_tape_obj *tape = ide_tape_f(file);
+ struct ide_tape_obj *tape = file->private_data;
ide_drive_t *drive = tape->drive;
ssize_t bytes_read, temp, actually_read = 0, rc;
ssize_t ret = 0;
static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
- struct ide_tape_obj *tape = ide_tape_f(file);
+ struct ide_tape_obj *tape = file->private_data;
ide_drive_t *drive = tape->drive;
ssize_t actually_written = 0;
ssize_t ret = 0;
* point in issuing this if DSC overlap isn't supported, some
* drives (Seagate STT3401A) will return an error.
*/
- if (drive->dsc_overlap) {
+ if (drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) {
ssize_t retval = idetape_queue_rw_tail(drive,
REQ_IDETAPE_WRITE, 0,
tape->merge_bh);
static int idetape_chrdev_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
- struct ide_tape_obj *tape = ide_tape_f(file);
+ struct ide_tape_obj *tape = file->private_data;
ide_drive_t *drive = tape->drive;
struct mtop mtop;
struct mtget mtget;
static int idetape_chrdev_release(struct inode *inode, struct file *filp)
{
- struct ide_tape_obj *tape = ide_tape_f(filp);
+ struct ide_tape_obj *tape = filp->private_data;
ide_drive_t *drive = tape->drive;
unsigned int minor = iminor(inode);
/* device lacks locking support according to capabilities page */
if ((caps[6] & 1) == 0)
- drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+ drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
if (caps[7] & 0x02)
tape->blk_size = 512;
static int divf_buffer(ide_drive_t *drive) { return 2; }
static int divf_buffer_size(ide_drive_t *drive) { return 1024; }
-ide_devset_rw_field(dsc_overlap, dsc_overlap);
+ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP);
ide_tape_devset_rw_field(debug_mask, debug_mask);
ide_tape_devset_rw_field(tdsc, best_dsc_rw_freq);
__IDE_PROC_DEVSET(speed, 0, 0xffff, NULL, NULL),
__IDE_PROC_DEVSET(tdsc, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX,
mulf_tdsc, divf_tdsc),
- { 0 },
+ { NULL },
};
#endif
unsigned long t;
int speed;
int buffer_size;
- u8 gcw[2];
u16 *ctl = (u16 *)&tape->caps[12];
drive->pc_callback = ide_tape_callback;
drive->pc_io_buffers = ide_tape_io_buffers;
spin_lock_init(&tape->lock);
- drive->dsc_overlap = 1;
+
+ drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
+
if (drive->hwif->host_flags & IDE_HFLAG_NO_DSC) {
printk(KERN_INFO "ide-tape: %s: disabling DSC overlap\n",
tape->name);
- drive->dsc_overlap = 0;
+ drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
}
+
/* Seagate Travan drives do not support DSC overlap. */
if (strstr((char *)&drive->id[ATA_ID_PROD], "Seagate STT3401"))
- drive->dsc_overlap = 0;
+ drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
+
tape->minor = minor;
tape->name[0] = 'h';
tape->name[1] = 't';
tape->name[2] = '0' + minor;
tape->chrdev_dir = IDETAPE_DIR_NONE;
- *((u16 *)&gcw) = drive->id[ATA_ID_CONFIG];
-
- /* Command packet DRQ type */
- if (((gcw[0] & 0x60) >> 5) == 1)
- set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags);
-
idetape_get_inquiry_results(drive);
idetape_get_mode_sense_results(drive);
ide_tape_get_bsize_from_bdesc(drive);
(*(u16 *)&tape->caps[16] * 512) / tape->buffer_size,
tape->buffer_size / 1024,
tape->best_dsc_rw_freq * 1000 / HZ,
- drive->using_dma ? ", DMA":"");
+ (drive->dev_flags & IDE_DFLAG_USING_DMA) ? ", DMA" : "");
ide_proc_register_driver(drive, tape->driver);
}
idetape_tape_t *tape = drive->driver_data;
ide_proc_unregister_driver(drive, tape->driver);
-
+ device_del(&tape->dev);
ide_unregister_region(tape->disk);
- ide_tape_put(tape);
+ mutex_lock(&idetape_ref_mutex);
+ put_device(&tape->dev);
+ mutex_unlock(&idetape_ref_mutex);
}
-static void ide_tape_release(struct kref *kref)
+static void ide_tape_release(struct device *dev)
{
- struct ide_tape_obj *tape = to_ide_tape(kref);
+ struct ide_tape_obj *tape = to_ide_drv(dev, ide_tape_obj);
ide_drive_t *drive = tape->drive;
struct gendisk *g = tape->disk;
BUG_ON(tape->merge_bh_size);
- drive->dsc_overlap = 0;
+ drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
drive->driver_data = NULL;
device_destroy(idetape_sysfs_class, MKDEV(IDETAPE_MAJOR, tape->minor));
device_destroy(idetape_sysfs_class,
{ "name", S_IFREG|S_IRUGO, proc_idetape_read_name, NULL },
{ NULL, 0, NULL, NULL }
};
+
+static ide_proc_entry_t *ide_tape_proc_entries(ide_drive_t *drive)
+{
+ return idetape_proc;
+}
+
+static const struct ide_proc_devset *ide_tape_proc_devsets(ide_drive_t *drive)
+{
+ return idetape_settings;
+}
#endif
static int ide_tape_probe(ide_drive_t *);
-static ide_driver_t idetape_driver = {
+static struct ide_driver idetape_driver = {
.gen_driver = {
.owner = THIS_MODULE,
.name = "ide-tape",
.probe = ide_tape_probe,
.remove = ide_tape_remove,
.version = IDETAPE_VERSION,
- .media = ide_tape,
.do_request = idetape_do_request,
.end_request = idetape_end_request,
- .error = __ide_error,
#ifdef CONFIG_IDE_PROC_FS
- .proc = idetape_proc,
- .settings = idetape_settings,
+ .proc_entries = ide_tape_proc_entries,
+ .proc_devsets = ide_tape_proc_devsets,
#endif
};
.release = idetape_chrdev_release,
};
-static int idetape_open(struct inode *inode, struct file *filp)
+static int idetape_open(struct block_device *bdev, fmode_t mode)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_tape_obj *tape;
+ struct ide_tape_obj *tape = ide_tape_get(bdev->bd_disk);
- tape = ide_tape_get(disk);
if (!tape)
return -ENXIO;
return 0;
}
-static int idetape_release(struct inode *inode, struct file *filp)
+static int idetape_release(struct gendisk *disk, fmode_t mode)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_tape_obj *tape = ide_tape_g(disk);
+ struct ide_tape_obj *tape = ide_drv_g(disk, ide_tape_obj);
ide_tape_put(tape);
-
return 0;
}
-static int idetape_ioctl(struct inode *inode, struct file *file,
+static int idetape_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
- struct block_device *bdev = inode->i_bdev;
- struct ide_tape_obj *tape = ide_tape_g(bdev->bd_disk);
+ struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj);
ide_drive_t *drive = tape->drive;
- int err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
+ int err = generic_ide_ioctl(drive, bdev, cmd, arg);
if (err == -EINVAL)
err = idetape_blkdev_ioctl(drive, cmd, arg);
return err;
.owner = THIS_MODULE,
.open = idetape_open,
.release = idetape_release,
- .ioctl = idetape_ioctl,
+ .locked_ioctl = idetape_ioctl,
};
static int ide_tape_probe(ide_drive_t *drive)
if (drive->media != ide_tape)
goto failed;
- if (drive->id_read == 1 && !ide_check_atapi_device(drive, DRV_NAME)) {
+ if ((drive->dev_flags & IDE_DFLAG_ID_READ) &&
+ ide_check_atapi_device(drive, DRV_NAME) == 0) {
printk(KERN_ERR "ide-tape: %s: not supported by this version of"
" the driver\n", drive->name);
goto failed;
ide_init_disk(g, drive);
- kref_init(&tape->kref);
+ tape->dev.parent = &drive->gendev;
+ tape->dev.release = ide_tape_release;
+ dev_set_name(&tape->dev, dev_name(&drive->gendev));
+
+ if (device_register(&tape->dev))
+ goto out_free_disk;
tape->drive = drive;
tape->driver = &idetape_driver;
idetape_setup(drive, tape, minor);
- device_create_drvdata(idetape_sysfs_class, &drive->gendev,
- MKDEV(IDETAPE_MAJOR, minor), NULL,
- "%s", tape->name);
- device_create_drvdata(idetape_sysfs_class, &drive->gendev,
- MKDEV(IDETAPE_MAJOR, minor + 128), NULL,
- "n%s", tape->name);
+ device_create(idetape_sysfs_class, &drive->gendev,
+ MKDEV(IDETAPE_MAJOR, minor), NULL, "%s", tape->name);
+ device_create(idetape_sysfs_class, &drive->gendev,
+ MKDEV(IDETAPE_MAJOR, minor + 128), NULL,
+ "n%s", tape->name);
g->fops = &idetape_block_ops;
ide_register_region(g);
return 0;
+out_free_disk:
+ put_disk(g);
out_free_tape:
kfree(tape);
failed: