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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:33 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:33 +0200
commit05236ea6df7419f0f37cf9603cfee265cfce5832 (patch)
tree42aa04bc4106f80dd3f09895909fb6495c55a9cd /drivers/ide/ide.c
parent170dc5b085e688639aa2b7acd1b907e2e1c7a48a (diff)
downloadop-kernel-dev-05236ea6df7419f0f37cf9603cfee265cfce5832.zip
op-kernel-dev-05236ea6df7419f0f37cf9603cfee265cfce5832.tar.gz
ide: move ioctls handling to ide-ioctls.c
* Move ioctls handling to ide-ioctls.c (except HDIO_DRIVE_TASKFILE for now). * Make ide_{cmd,task}() static. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c174
1 files changed, 0 insertions, 174 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 1918149..349d7fa 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -489,180 +489,6 @@ static int generic_ide_resume(struct device *dev)
return err;
}
-static int generic_drive_reset(ide_drive_t *drive)
-{
- struct request *rq;
- int ret = 0;
-
- rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
- rq->cmd_type = REQ_TYPE_SPECIAL;
- rq->cmd_len = 1;
- rq->cmd[0] = REQ_DRIVE_RESET;
- rq->cmd_flags |= REQ_SOFTBARRIER;
- if (blk_execute_rq(drive->queue, NULL, rq, 1))
- ret = rq->errors;
- blk_put_request(rq);
- return ret;
-}
-
-static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd,
- unsigned long arg)
-{
- u16 *id = NULL;
- int size = (cmd == HDIO_GET_IDENTITY) ? (ATA_ID_WORDS * 2) : 142;
- int rc = 0;
-
- if (drive->id_read == 0) {
- rc = -ENOMSG;
- goto out;
- }
-
- id = kmalloc(size, GFP_KERNEL);
- if (id == NULL) {
- rc = -ENOMEM;
- goto out;
- }
-
- memcpy(id, drive->id, size);
- ata_id_to_hd_driveid(id);
-
- if (copy_to_user((void __user *)arg, id, size))
- rc = -EFAULT;
-
- kfree(id);
-out:
- return rc;
-}
-
-static int ide_get_nice_ioctl(ide_drive_t *drive, unsigned long arg)
-{
- return put_user((drive->dsc_overlap << IDE_NICE_DSC_OVERLAP) |
- (drive->nice1 << IDE_NICE_1), (long __user *)arg);
-}
-
-static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg)
-{
- if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1))))
- return -EPERM;
-
- if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) &&
- (drive->media == ide_disk || drive->media == ide_floppy ||
- drive->scsi))
- return -EPERM;
-
- drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1;
- drive->nice1 = (arg >> IDE_NICE_1) & 1;
-
- return 0;
-}
-
-static const struct ide_ioctl_devset ide_ioctl_settings[] = {
-{ HDIO_GET_32BIT, HDIO_SET_32BIT, get_io_32bit, set_io_32bit },
-{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, get_ksettings, set_ksettings },
-{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, get_unmaskirq, set_unmaskirq },
-{ HDIO_GET_DMA, HDIO_SET_DMA, get_using_dma, set_using_dma },
-{ -1, HDIO_SET_PIO_MODE, NULL, set_pio_mode },
-{ 0 }
-};
-
-int generic_ide_ioctl(ide_drive_t *drive, struct file *file,
- struct block_device *bdev,
- unsigned int cmd, unsigned long arg)
-{
- int err;
-
- err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_ioctl_settings);
- if (err != -EOPNOTSUPP)
- return err;
-
- switch (cmd) {
- case HDIO_OBSOLETE_IDENTITY:
- case HDIO_GET_IDENTITY:
- if (bdev != bdev->bd_contains)
- return -EINVAL;
- return ide_get_identity_ioctl(drive, cmd, arg);
- case HDIO_GET_NICE:
- return ide_get_nice_ioctl(drive, arg);
- case HDIO_SET_NICE:
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
- return ide_set_nice_ioctl(drive, arg);
-#ifdef CONFIG_IDE_TASK_IOCTL
- case HDIO_DRIVE_TASKFILE:
- if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
- return -EACCES;
- if (drive->media == ide_disk)
- return ide_taskfile_ioctl(drive, cmd, arg);
- return -ENOMSG;
-#endif
- case HDIO_DRIVE_CMD:
- if (!capable(CAP_SYS_RAWIO))
- return -EACCES;
- return ide_cmd_ioctl(drive, cmd, arg);
- case HDIO_DRIVE_TASK:
- if (!capable(CAP_SYS_RAWIO))
- return -EACCES;
- return ide_task_ioctl(drive, cmd, arg);
- case HDIO_DRIVE_RESET:
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
- return generic_drive_reset(drive);
- case HDIO_GET_BUSSTATE:
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
- if (put_user(BUSSTATE_ON, (long __user *)arg))
- return -EFAULT;
- return 0;
- case HDIO_SET_BUSSTATE:
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
- return -EOPNOTSUPP;
- default:
- return -EINVAL;
- }
-}
-EXPORT_SYMBOL(generic_ide_ioctl);
-
-int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev,
- unsigned int cmd, unsigned long arg,
- const struct ide_ioctl_devset *s)
-{
- unsigned long flags;
- int err = -EOPNOTSUPP;
-
- for (; s->get_ioctl; s++) {
- if (s->get && s->get_ioctl == cmd)
- goto read_val;
- else if (s->set && s->set_ioctl == cmd)
- goto set_val;
- }
-
- return err;
-
-read_val:
- mutex_lock(&ide_setting_mtx);
- spin_lock_irqsave(&ide_lock, flags);
- err = s->get(drive);
- spin_unlock_irqrestore(&ide_lock, flags);
- mutex_unlock(&ide_setting_mtx);
- return err >= 0 ? put_user(err, (long __user *)arg) : err;
-
-set_val:
- if (bdev != bdev->bd_contains)
- err = -EINVAL;
- else {
- if (!capable(CAP_SYS_ADMIN))
- err = -EACCES;
- else {
- mutex_lock(&ide_setting_mtx);
- err = s->set(drive, arg);
- mutex_unlock(&ide_setting_mtx);
- }
- }
- return err;
-}
-EXPORT_SYMBOL_GPL(ide_setting_ioctl);
-
/**
* ide_device_get - get an additional reference to a ide_drive_t
* @drive: device to get a reference to
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