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#ifndef _LINUX_LOOP_H
#define _LINUX_LOOP_H
#include <stdint.h>
#define LO_NAME_SIZE 64
#define LO_KEY_SIZE 32
enum {
LO_FLAGS_READ_ONLY = 1,
LO_FLAGS_USE_AOPS = 2,
LO_FLAGS_AUTOCLEAR = 4,
};
struct loop_info {
int lo_number;
long lo_device;
unsigned long lo_inode;
long lo_rdevice;
int lo_offset;
int lo_encrypt_type;
int lo_encrypt_key_size;
int lo_flags;
char lo_name[LO_NAME_SIZE];
unsigned char lo_encrypt_key[LO_KEY_SIZE];
unsigned long lo_init[2];
char reserved[4];
};
struct loop_info64 {
uint64_t lo_device;
uint64_t lo_inode;
uint64_t lo_rdevice;
uint64_t lo_offset;
uint64_t lo_sizelimit;
uint32_t lo_number;
uint32_t lo_encrypt_type;
uint32_t lo_encrypt_key_size;
uint32_t lo_flags;
uint8_t lo_file_name[LO_NAME_SIZE];
uint8_t lo_crypt_name[LO_NAME_SIZE];
uint8_t lo_encrypt_key[LO_KEY_SIZE];
uint64_t lo_init[2];
};
#define LO_CRYPT_NONE 0
#define LO_CRYPT_XOR 1
#define LO_CRYPT_DES 2
#define LO_CRYPT_FISH2 3
#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
#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
#endif
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