static DECLARE_MUTEX(idetape_ref_sem);
+static struct class *idetape_sysfs_class;
+
#define to_ide_tape(obj) container_of(obj, struct ide_tape_obj, kref)
#define ide_tape_g(disk) \
} else if (!(tape->sense_key == 2 && tape->asc == 4 &&
(tape->ascq == 1 || tape->ascq == 8)))
return -EIO;
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(HZ / 10);
+ msleep(100);
}
return -EIO;
}
idetape_add_settings(drive);
}
-static int idetape_cleanup (ide_drive_t *drive)
+static int ide_tape_remove(struct device *dev)
{
+ ide_drive_t *drive = to_ide_device(dev);
idetape_tape_t *tape = drive->driver_data;
- unsigned long flags;
-
- spin_lock_irqsave(&ide_lock, flags);
- if (test_bit(IDETAPE_BUSY, &tape->flags) || drive->usage ||
- tape->first_stage != NULL || tape->merge_stage_size) {
- spin_unlock_irqrestore(&ide_lock, flags);
- return 1;
- }
- spin_unlock_irqrestore(&ide_lock, flags);
- DRIVER(drive)->busy = 0;
- (void) ide_unregister_subdriver(drive);
+ ide_unregister_subdriver(drive, tape->driver);
ide_unregister_region(tape->disk);
ide_drive_t *drive = tape->drive;
struct gendisk *g = tape->disk;
+ BUG_ON(tape->first_stage != NULL || tape->merge_stage_size);
+
drive->dsc_overlap = 0;
drive->driver_data = NULL;
+ class_device_destroy(idetape_sysfs_class,
+ MKDEV(IDETAPE_MAJOR, tape->minor));
+ class_device_destroy(idetape_sysfs_class,
+ MKDEV(IDETAPE_MAJOR, tape->minor + 128));
devfs_remove("%s/mt", drive->devfs_name);
devfs_remove("%s/mtn", drive->devfs_name);
devfs_unregister_tape(g->number);
#endif
-static int idetape_attach(ide_drive_t *drive);
+static int ide_tape_probe(struct device *);
-/*
- * IDE subdriver functions, registered with ide.c
- */
static ide_driver_t idetape_driver = {
.owner = THIS_MODULE,
- .name = "ide-tape",
+ .gen_driver = {
+ .name = "ide-tape",
+ .bus = &ide_bus_type,
+ .probe = ide_tape_probe,
+ .remove = ide_tape_remove,
+ },
.version = IDETAPE_VERSION,
.media = ide_tape,
- .busy = 1,
.supports_dsc_overlap = 1,
- .cleanup = idetape_cleanup,
.do_request = idetape_do_request,
.end_request = idetape_end_request,
.error = __ide_error,
.abort = __ide_abort,
.proc = idetape_proc,
- .attach = idetape_attach,
- .drives = LIST_HEAD_INIT(idetape_driver.drives),
};
/*
.ioctl = idetape_ioctl,
};
-static int idetape_attach (ide_drive_t *drive)
+static int ide_tape_probe(struct device *dev)
{
+ ide_drive_t *drive = to_ide_device(dev);
idetape_tape_t *tape;
struct gendisk *g;
int minor;
printk(KERN_WARNING "ide-tape: Use drive %s with ide-scsi emulation and osst.\n", drive->name);
printk(KERN_WARNING "ide-tape: OnStream support will be removed soon from ide-tape!\n");
}
- tape = (idetape_tape_t *) kmalloc (sizeof (idetape_tape_t), GFP_KERNEL);
+ tape = (idetape_tape_t *) kzalloc (sizeof (idetape_tape_t), GFP_KERNEL);
if (tape == NULL) {
printk(KERN_ERR "ide-tape: %s: Can't allocate a tape structure\n", drive->name);
goto failed;
ide_init_disk(g, drive);
- if (ide_register_subdriver(drive, &idetape_driver)) {
- printk(KERN_ERR "ide-tape: %s: Failed to register the driver with ide.c\n", drive->name);
- goto out_put_disk;
- }
-
- memset(tape, 0, sizeof(*tape));
+ ide_register_subdriver(drive, &idetape_driver);
kref_init(&tape->kref);
idetape_setup(drive, tape, minor);
+ class_device_create(idetape_sysfs_class, NULL,
+ MKDEV(IDETAPE_MAJOR, minor), dev, "%s", tape->name);
+ class_device_create(idetape_sysfs_class, NULL,
+ MKDEV(IDETAPE_MAJOR, minor + 128), dev, "n%s", tape->name);
+
devfs_mk_cdev(MKDEV(HWIF(drive)->major, minor),
S_IFCHR | S_IRUGO | S_IWUGO,
"%s/mt", drive->devfs_name);
ide_register_region(g);
return 0;
-out_put_disk:
- put_disk(g);
+
out_free_tape:
kfree(tape);
failed:
- return 1;
+ return -ENODEV;
}
MODULE_DESCRIPTION("ATAPI Streaming TAPE Driver");
static void __exit idetape_exit (void)
{
- ide_unregister_driver(&idetape_driver);
+ driver_unregister(&idetape_driver.gen_driver);
+ class_destroy(idetape_sysfs_class);
unregister_chrdev(IDETAPE_MAJOR, "ht");
}
*/
static int idetape_init (void)
{
+ int error = 1;
+ idetape_sysfs_class = class_create(THIS_MODULE, "ide_tape");
+ if (IS_ERR(idetape_sysfs_class)) {
+ idetape_sysfs_class = NULL;
+ printk(KERN_ERR "Unable to create sysfs class for ide tapes\n");
+ error = -EBUSY;
+ goto out;
+ }
+
if (register_chrdev(IDETAPE_MAJOR, "ht", &idetape_fops)) {
printk(KERN_ERR "ide-tape: Failed to register character device interface\n");
- return -EBUSY;
+ error = -EBUSY;
+ goto out_free_class;
}
- ide_register_driver(&idetape_driver);
+
+ error = driver_register(&idetape_driver.gen_driver);
+ if (error)
+ goto out_free_driver;
+
return 0;
+
+out_free_driver:
+ driver_unregister(&idetape_driver.gen_driver);
+out_free_class:
+ class_destroy(idetape_sysfs_class);
+out:
+ return error;
}
module_init(idetape_init);