diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/loop.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/loop.h | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/ANDROID_3.4.5/include/linux/loop.h b/ANDROID_3.4.5/include/linux/loop.h deleted file mode 100644 index 11a41a8f..00000000 --- a/ANDROID_3.4.5/include/linux/loop.h +++ /dev/null @@ -1,167 +0,0 @@ -#ifndef _LINUX_LOOP_H -#define _LINUX_LOOP_H - -/* - * include/linux/loop.h - * - * Written by Theodore Ts'o, 3/29/93. - * - * Copyright 1993 by Theodore Ts'o. Redistribution of this file is - * permitted under the GNU General Public License. - */ - -#define LO_NAME_SIZE 64 -#define LO_KEY_SIZE 32 - -#ifdef __KERNEL__ -#include <linux/bio.h> -#include <linux/blkdev.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> - -/* Possible states of device */ -enum { - Lo_unbound, - Lo_bound, - Lo_rundown, -}; - -struct loop_func_table; - -struct loop_device { - int lo_number; - int lo_refcnt; - loff_t lo_offset; - loff_t lo_sizelimit; - int lo_flags; - int (*transfer)(struct loop_device *, int cmd, - struct page *raw_page, unsigned raw_off, - struct page *loop_page, unsigned loop_off, - int size, sector_t real_block); - char lo_file_name[LO_NAME_SIZE]; - char lo_crypt_name[LO_NAME_SIZE]; - char lo_encrypt_key[LO_KEY_SIZE]; - int lo_encrypt_key_size; - struct loop_func_table *lo_encryption; - __u32 lo_init[2]; - uid_t lo_key_owner; /* Who set the key */ - int (*ioctl)(struct loop_device *, int cmd, - unsigned long arg); - - struct file * lo_backing_file; - struct block_device *lo_device; - unsigned lo_blocksize; - void *key_data; - - gfp_t old_gfp_mask; - - spinlock_t lo_lock; - struct bio_list lo_bio_list; - int lo_state; - struct mutex lo_ctl_mutex; - struct task_struct *lo_thread; - wait_queue_head_t lo_event; - - struct request_queue *lo_queue; - struct gendisk *lo_disk; -}; - -#endif /* __KERNEL__ */ - -/* - * Loop flags - */ -enum { - LO_FLAGS_READ_ONLY = 1, - LO_FLAGS_AUTOCLEAR = 4, - LO_FLAGS_PARTSCAN = 8, -}; - -#include <asm/posix_types.h> /* for __kernel_old_dev_t */ -#include <linux/types.h> /* for __u64 */ - -/* Backwards compatibility version */ -struct loop_info { - int lo_number; /* ioctl r/o */ - __kernel_old_dev_t lo_device; /* ioctl r/o */ - unsigned long lo_inode; /* ioctl r/o */ - __kernel_old_dev_t lo_rdevice; /* ioctl r/o */ - int lo_offset; - int lo_encrypt_type; - int lo_encrypt_key_size; /* ioctl w/o */ - int lo_flags; /* ioctl r/o */ - char lo_name[LO_NAME_SIZE]; - unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */ - unsigned long lo_init[2]; - char reserved[4]; -}; - -struct loop_info64 { - __u64 lo_device; /* ioctl r/o */ - __u64 lo_inode; /* ioctl r/o */ - __u64 lo_rdevice; /* ioctl r/o */ - __u64 lo_offset; - __u64 lo_sizelimit;/* bytes, 0 == max available */ - __u32 lo_number; /* ioctl r/o */ - __u32 lo_encrypt_type; - __u32 lo_encrypt_key_size; /* ioctl w/o */ - __u32 lo_flags; /* ioctl r/o */ - __u8 lo_file_name[LO_NAME_SIZE]; - __u8 lo_crypt_name[LO_NAME_SIZE]; - __u8 lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */ - __u64 lo_init[2]; -}; - -/* - * Loop filter types - */ - -#define LO_CRYPT_NONE 0 -#define LO_CRYPT_XOR 1 -#define LO_CRYPT_DES 2 -#define LO_CRYPT_FISH2 3 /* Twofish encryption */ -#define LO_CRYPT_BLOW 4 -#define LO_CRYPT_CAST128 5 -#define LO_CRYPT_IDEA 6 -#define LO_CRYPT_DUMMY 9 -#define LO_CRYPT_SKIPJACK 10 -#define LO_CRYPT_CRYPTOAPI 18 -#define MAX_LO_CRYPT 20 - -#ifdef __KERNEL__ -/* Support for loadable transfer modules */ -struct loop_func_table { - int number; /* filter type */ - int (*transfer)(struct loop_device *lo, int cmd, - struct page *raw_page, unsigned raw_off, - struct page *loop_page, unsigned loop_off, - int size, sector_t real_block); - int (*init)(struct loop_device *, const struct loop_info64 *); - /* release is called from loop_unregister_transfer or clr_fd */ - int (*release)(struct loop_device *); - int (*ioctl)(struct loop_device *, int cmd, unsigned long arg); - struct module *owner; -}; - -int loop_register_transfer(struct loop_func_table *funcs); -int loop_unregister_transfer(int number); - -#endif -/* - * IOCTL commands --- we will commandeer 0x4C ('L') - */ - -#define LOOP_SET_FD 0x4C00 -#define LOOP_CLR_FD 0x4C01 -#define LOOP_SET_STATUS 0x4C02 -#define LOOP_GET_STATUS 0x4C03 -#define LOOP_SET_STATUS64 0x4C04 -#define LOOP_GET_STATUS64 0x4C05 -#define LOOP_CHANGE_FD 0x4C06 -#define LOOP_SET_CAPACITY 0x4C07 - -/* /dev/loop-control interface */ -#define LOOP_CTL_ADD 0x4C80 -#define LOOP_CTL_REMOVE 0x4C81 -#define LOOP_CTL_GET_FREE 0x4C82 -#endif |