1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_LOOP_H 20 #define _UAPI_LINUX_LOOP_H 21 #define LO_NAME_SIZE 64 22 #define LO_KEY_SIZE 32 23 enum { 24 LO_FLAGS_READ_ONLY = 1, 25 LO_FLAGS_AUTOCLEAR = 4, 26 LO_FLAGS_PARTSCAN = 8, 27 LO_FLAGS_DIRECT_IO = 16, 28 }; 29 #define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN) 30 #define LOOP_SET_STATUS_CLEARABLE_FLAGS (LO_FLAGS_AUTOCLEAR) 31 #define LOOP_CONFIGURE_SETTABLE_FLAGS (LO_FLAGS_READ_ONLY | LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN | LO_FLAGS_DIRECT_IO) 32 #include <asm/posix_types.h> 33 #include <linux/types.h> 34 struct loop_info { 35 int lo_number; 36 __kernel_old_dev_t lo_device; 37 unsigned long lo_inode; 38 __kernel_old_dev_t lo_rdevice; 39 int lo_offset; 40 int lo_encrypt_type; 41 int lo_encrypt_key_size; 42 int lo_flags; 43 char lo_name[LO_NAME_SIZE]; 44 unsigned char lo_encrypt_key[LO_KEY_SIZE]; 45 unsigned long lo_init[2]; 46 char reserved[4]; 47 }; 48 struct loop_info64 { 49 __u64 lo_device; 50 __u64 lo_inode; 51 __u64 lo_rdevice; 52 __u64 lo_offset; 53 __u64 lo_sizelimit; 54 __u32 lo_number; 55 __u32 lo_encrypt_type; 56 __u32 lo_encrypt_key_size; 57 __u32 lo_flags; 58 __u8 lo_file_name[LO_NAME_SIZE]; 59 __u8 lo_crypt_name[LO_NAME_SIZE]; 60 __u8 lo_encrypt_key[LO_KEY_SIZE]; 61 __u64 lo_init[2]; 62 }; 63 struct loop_config { 64 __u32 fd; 65 __u32 block_size; 66 struct loop_info64 info; 67 __u64 __reserved[8]; 68 }; 69 #define LO_CRYPT_NONE 0 70 #define LO_CRYPT_XOR 1 71 #define LO_CRYPT_DES 2 72 #define LO_CRYPT_FISH2 3 73 #define LO_CRYPT_BLOW 4 74 #define LO_CRYPT_CAST128 5 75 #define LO_CRYPT_IDEA 6 76 #define LO_CRYPT_DUMMY 9 77 #define LO_CRYPT_SKIPJACK 10 78 #define LO_CRYPT_CRYPTOAPI 18 79 #define MAX_LO_CRYPT 20 80 #define LOOP_SET_FD 0x4C00 81 #define LOOP_CLR_FD 0x4C01 82 #define LOOP_SET_STATUS 0x4C02 83 #define LOOP_GET_STATUS 0x4C03 84 #define LOOP_SET_STATUS64 0x4C04 85 #define LOOP_GET_STATUS64 0x4C05 86 #define LOOP_CHANGE_FD 0x4C06 87 #define LOOP_SET_CAPACITY 0x4C07 88 #define LOOP_SET_DIRECT_IO 0x4C08 89 #define LOOP_SET_BLOCK_SIZE 0x4C09 90 #define LOOP_CONFIGURE 0x4C0A 91 #define LOOP_CTL_ADD 0x4C80 92 #define LOOP_CTL_REMOVE 0x4C81 93 #define LOOP_CTL_GET_FREE 0x4C82 94 #endif 95