diff options
Diffstat (limited to 'drivers/ide/ide-gd-floppy.c')
| -rw-r--r-- | drivers/ide/ide-gd-floppy.c | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/drivers/ide/ide-gd-floppy.c b/drivers/ide/ide-gd-floppy.c deleted file mode 100644 index 082800b9a558..000000000000 --- a/drivers/ide/ide-gd-floppy.c +++ /dev/null @@ -1,309 +0,0 @@ -#include <linux/module.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/genhd.h> -#include <linux/mutex.h> -#include <linux/ide.h> -#include <linux/hdreg.h> - -#include "ide-floppy.h" - -#define IDEFLOPPY_VERSION "1.00" - -/* module parameters */ -static unsigned long debug_mask; -module_param(debug_mask, ulong, 0644); - -static DEFINE_MUTEX(ide_disk_ref_mutex); - -static void ide_disk_release(struct kref *); - -static struct ide_floppy_obj *ide_disk_get(struct gendisk *disk) -{ - struct ide_floppy_obj *idkp = NULL; - - mutex_lock(&ide_disk_ref_mutex); - idkp = ide_drv_g(disk, ide_floppy_obj); - if (idkp) { - if (ide_device_get(idkp->drive)) - idkp = NULL; - else - kref_get(&idkp->kref); - } - mutex_unlock(&ide_disk_ref_mutex); - return idkp; -} - -static void ide_disk_put(struct ide_floppy_obj *idkp) -{ - ide_drive_t *drive = idkp->drive; - - mutex_lock(&ide_disk_ref_mutex); - kref_put(&idkp->kref, ide_disk_release); - ide_device_put(drive); - mutex_unlock(&ide_disk_ref_mutex); -} - -sector_t ide_gd_capacity(ide_drive_t *drive) -{ - return drive->capacity64; -} - -static int ide_gd_probe(ide_drive_t *); - -static void ide_gd_remove(ide_drive_t *drive) -{ - struct ide_floppy_obj *idkp = drive->driver_data; - struct gendisk *g = idkp->disk; - - ide_proc_unregister_driver(drive, idkp->driver); - - del_gendisk(g); - - ide_disk_put(idkp); -} - -static void ide_disk_release(struct kref *kref) -{ - struct ide_floppy_obj *idkp = to_ide_drv(kref, ide_floppy_obj); - ide_drive_t *drive = idkp->drive; - struct gendisk *g = idkp->disk; - - drive->driver_data = NULL; - g->private_data = NULL; - put_disk(g); - kfree(idkp); -} - -#ifdef CONFIG_IDE_PROC_FS -static ide_proc_entry_t *ide_floppy_proc_entries(ide_drive_t *drive) -{ - return ide_floppy_proc; -} - -static const struct ide_proc_devset *ide_floppy_proc_devsets(ide_drive_t *drive) -{ - return ide_floppy_settings; -} -#endif - -static ide_driver_t ide_gd_driver = { - .gen_driver = { - .owner = THIS_MODULE, - .name = "ide-floppy", - .bus = &ide_bus_type, - }, - .probe = ide_gd_probe, - .remove = ide_gd_remove, - .version = IDEFLOPPY_VERSION, - .do_request = ide_floppy_do_request, - .end_request = ide_floppy_end_request, - .error = __ide_error, -#ifdef CONFIG_IDE_PROC_FS - .proc_entries = ide_floppy_proc_entries, - .proc_devsets = ide_floppy_proc_devsets, -#endif -}; - -static int ide_gd_open(struct inode *inode, struct file *filp) -{ - struct gendisk *disk = inode->i_bdev->bd_disk; - struct ide_floppy_obj *idkp; - ide_drive_t *drive; - int ret = 0; - - idkp = ide_disk_get(disk); - if (idkp == NULL) - return -ENXIO; - - drive = idkp->drive; - - ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); - - idkp->openers++; - - if (idkp->openers == 1) { - drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS; - /* Just in case */ - - if (ide_do_test_unit_ready(drive, disk)) - ide_do_start_stop(drive, disk, 1); - - ret = ide_floppy_get_capacity(drive); - - set_capacity(disk, ide_gd_capacity(drive)); - - if (ret && (filp->f_flags & O_NDELAY) == 0) { - /* - * Allow O_NDELAY to open a drive without a disk, or with an - * unreadable disk, so that we can get the format capacity - * of the drive or begin the format - Sam - */ - ret = -EIO; - goto out_put_idkp; - } - - if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) { - ret = -EROFS; - goto out_put_idkp; - } - - ide_set_media_lock(drive, disk, 1); - drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED; - check_disk_change(inode->i_bdev); - } else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) { - ret = -EBUSY; - goto out_put_idkp; - } - return 0; - -out_put_idkp: - idkp->openers--; - ide_disk_put(idkp); - return ret; -} - -static int ide_gd_release(struct inode *inode, struct file *filp) -{ - struct gendisk *disk = inode->i_bdev->bd_disk; - struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj); - ide_drive_t *drive = idkp->drive; - - ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); - - if (idkp->openers == 1) { - ide_set_media_lock(drive, disk, 0); - drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS; - } - - idkp->openers--; - - ide_disk_put(idkp); - - return 0; -} - -static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo) -{ - struct ide_floppy_obj *idkp = ide_drv_g(bdev->bd_disk, ide_floppy_obj); - ide_drive_t *drive = idkp->drive; - - geo->heads = drive->bios_head; - geo->sectors = drive->bios_sect; - geo->cylinders = (u16)drive->bios_cyl; /* truncate */ - return 0; -} - -static int ide_gd_media_changed(struct gendisk *disk) -{ - struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj); - ide_drive_t *drive = idkp->drive; - int ret; - - /* do not scan partitions twice if this is a removable device */ - if (drive->dev_flags & IDE_DFLAG_ATTACH) { - drive->dev_flags &= ~IDE_DFLAG_ATTACH; - return 0; - } - - ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED); - drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED; - - return ret; -} - -static int ide_gd_revalidate_disk(struct gendisk *disk) -{ - struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj); - set_capacity(disk, ide_gd_capacity(idkp->drive)); - return 0; -} - -static struct block_device_operations ide_gd_ops = { - .owner = THIS_MODULE, - .open = ide_gd_open, - .release = ide_gd_release, - .ioctl = ide_floppy_ioctl, - .getgeo = ide_gd_getgeo, - .media_changed = ide_gd_media_changed, - .revalidate_disk = ide_gd_revalidate_disk -}; - -static int ide_gd_probe(ide_drive_t *drive) -{ - struct ide_floppy_obj *idkp; - struct gendisk *g; - - if (!strstr("ide-floppy", drive->driver_req)) - goto failed; - - if (drive->media != ide_floppy) - goto failed; - - if (!ide_check_atapi_device(drive, DRV_NAME)) { - printk(KERN_ERR PFX "%s: not supported by this version of " - DRV_NAME "\n", drive->name); - goto failed; - } - idkp = kzalloc(sizeof(*idkp), GFP_KERNEL); - if (!idkp) { - printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n", - drive->name); - goto failed; - } - - g = alloc_disk_node(1 << PARTN_BITS, hwif_to_node(drive->hwif)); - if (!g) - goto out_free_idkp; - - ide_init_disk(g, drive); - - kref_init(&idkp->kref); - - idkp->drive = drive; - idkp->driver = &ide_gd_driver; - idkp->disk = g; - - g->private_data = &idkp->driver; - - drive->driver_data = idkp; - - drive->debug_mask = debug_mask; - - ide_floppy_setup(drive); - - set_capacity(g, ide_gd_capacity(drive)); - - g->minors = 1 << PARTN_BITS; - g->driverfs_dev = &drive->gendev; - if (drive->dev_flags & IDE_DFLAG_REMOVABLE) - g->flags = GENHD_FL_REMOVABLE; - g->fops = &ide_gd_ops; - add_disk(g); - return 0; - -out_free_idkp: - kfree(idkp); -failed: - return -ENODEV; -} - -static int __init ide_gd_init(void) -{ - printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n"); - return driver_register(&ide_gd_driver.gen_driver); -} - -static void __exit ide_gd_exit(void) -{ - driver_unregister(&ide_gd_driver.gen_driver); -} - -MODULE_ALIAS("ide:*m-floppy*"); -MODULE_ALIAS("ide-floppy"); -module_init(ide_gd_init); -module_exit(ide_gd_exit); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("ATAPI FLOPPY Driver"); |
