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 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _LINUX_LOOP_H 13 #define _LINUX_LOOP_H 14 15 #define LO_NAME_SIZE 64 16 #define LO_KEY_SIZE 32 17 18 enum { 19 LO_FLAGS_READ_ONLY = 1, 20 LO_FLAGS_USE_AOPS = 2, 21 }; 22 23 #include <asm/posix_types.h> 24 #include <asm/types.h> 25 26 struct loop_info { 27 int lo_number; 28 __kernel_old_dev_t lo_device; 29 unsigned long lo_inode; 30 __kernel_old_dev_t lo_rdevice; 31 int lo_offset; 32 int lo_encrypt_type; 33 int lo_encrypt_key_size; 34 int lo_flags; 35 char lo_name[LO_NAME_SIZE]; 36 unsigned char lo_encrypt_key[LO_KEY_SIZE]; 37 unsigned long lo_init[2]; 38 char reserved[4]; 39 }; 40 41 struct loop_info64 { 42 __u64 lo_device; 43 __u64 lo_inode; 44 __u64 lo_rdevice; 45 __u64 lo_offset; 46 __u64 lo_sizelimit; 47 __u32 lo_number; 48 __u32 lo_encrypt_type; 49 __u32 lo_encrypt_key_size; 50 __u32 lo_flags; 51 __u8 lo_file_name[LO_NAME_SIZE]; 52 __u8 lo_crypt_name[LO_NAME_SIZE]; 53 __u8 lo_encrypt_key[LO_KEY_SIZE]; 54 __u64 lo_init[2]; 55 }; 56 57 #define LO_CRYPT_NONE 0 58 #define LO_CRYPT_XOR 1 59 #define LO_CRYPT_DES 2 60 #define LO_CRYPT_FISH2 3 61 #define LO_CRYPT_BLOW 4 62 #define LO_CRYPT_CAST128 5 63 #define LO_CRYPT_IDEA 6 64 #define LO_CRYPT_DUMMY 9 65 #define LO_CRYPT_SKIPJACK 10 66 #define LO_CRYPT_CRYPTOAPI 18 67 #define MAX_LO_CRYPT 20 68 69 #define LOOP_SET_FD 0x4C00 70 #define LOOP_CLR_FD 0x4C01 71 #define LOOP_SET_STATUS 0x4C02 72 #define LOOP_GET_STATUS 0x4C03 73 #define LOOP_SET_STATUS64 0x4C04 74 #define LOOP_GET_STATUS64 0x4C05 75 #define LOOP_CHANGE_FD 0x4C06 76 77 #endif 78