]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/ide-floppy_ioctl.c
ide-floppy: move all ioctl handling to ide-floppy_ioctl.c (take 2)
[linux-2.6-omap-h63xx.git] / drivers / ide / ide-floppy_ioctl.c
index 9723ed9c61b44863c8d997f255827e818332e879..a3a7a0809e2bdf5edba01c3c93c0f2b6cd467d8a 100644 (file)
@@ -223,8 +223,26 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
        return 0;
 }
 
-int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
-                           unsigned int cmd, void __user *argp)
+static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
+                              unsigned long arg, unsigned int cmd)
+{
+       idefloppy_floppy_t *floppy = drive->driver_data;
+       struct gendisk *disk = floppy->disk;
+       int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
+
+       if (floppy->openers > 1)
+               return -EBUSY;
+
+       ide_set_media_lock(drive, disk, prevent);
+
+       if (cmd == CDROMEJECT)
+               ide_do_start_stop(drive, disk, 2);
+
+       return 0;
+}
+
+static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
+                                  unsigned int cmd, void __user *argp)
 {
        switch (cmd) {
        case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED:
@@ -241,3 +259,35 @@ int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
                return -ENOTTY;
        }
 }
+
+int ide_floppy_ioctl(struct inode *inode, struct file *file,
+                   unsigned int cmd, unsigned long arg)
+{
+       struct block_device *bdev = inode->i_bdev;
+       struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
+                                                    ide_floppy_obj);
+       ide_drive_t *drive = floppy->drive;
+       struct ide_atapi_pc pc;
+       void __user *argp = (void __user *)arg;
+       int err;
+
+       if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
+               return ide_floppy_lockdoor(drive, &pc, arg, cmd);
+
+       err = ide_floppy_format_ioctl(drive, file, cmd, argp);
+       if (err != -ENOTTY)
+               return err;
+
+       /*
+        * skip SCSI_IOCTL_SEND_COMMAND (deprecated)
+        * and CDROM_SEND_PACKET (legacy) ioctls
+        */
+       if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
+               err = scsi_cmd_ioctl(file, bdev->bd_disk->queue,
+                                       bdev->bd_disk, cmd, argp);
+
+       if (err == -ENOTTY)
+               err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
+
+       return err;
+}