root / linux-user / linux_loop.h @ 5bf8f1ab
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/* Copied from 2.6.25 kernel headers to avoid problems on older hosts. */
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#ifndef _LINUX_LOOP_H
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#define _LINUX_LOOP_H
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/*
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* include/linux/loop.h
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*
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* Written by Theodore Ts'o, 3/29/93.
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*
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* Copyright 1993 by Theodore Ts'o. Redistribution of this file is
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* permitted under the GNU General Public License.
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*/
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#define LO_NAME_SIZE 64 |
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#define LO_KEY_SIZE 32 |
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/*
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* Loop flags
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*/
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enum {
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LO_FLAGS_READ_ONLY = 1,
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LO_FLAGS_USE_AOPS = 2,
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LO_FLAGS_AUTOCLEAR = 4,
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}; |
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#include <linux/version.h> |
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#include <asm/posix_types.h> /* for __kernel_old_dev_t */ |
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#include <asm/types.h> /* for __u64 */ |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) /* This is a guess. */ |
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#define __kernel_old_dev_t __kernel_dev_t
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#endif
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/* Backwards compatibility version */
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struct loop_info {
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int lo_number; /* ioctl r/o */ |
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__kernel_old_dev_t lo_device; /* ioctl r/o */
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unsigned long lo_inode; /* ioctl r/o */ |
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__kernel_old_dev_t lo_rdevice; /* ioctl r/o */
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int lo_offset;
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int lo_encrypt_type;
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int lo_encrypt_key_size; /* ioctl w/o */ |
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int lo_flags; /* ioctl r/o */ |
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char lo_name[LO_NAME_SIZE];
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unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */ |
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unsigned long lo_init[2]; |
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char reserved[4]; |
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}; |
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struct loop_info64 {
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__u64 lo_device; /* ioctl r/o */
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__u64 lo_inode; /* ioctl r/o */
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__u64 lo_rdevice; /* ioctl r/o */
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__u64 lo_offset; |
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__u64 lo_sizelimit;/* bytes, 0 == max available */
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__u32 lo_number; /* ioctl r/o */
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__u32 lo_encrypt_type; |
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__u32 lo_encrypt_key_size; /* ioctl w/o */
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__u32 lo_flags; /* ioctl r/o */
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__u8 lo_file_name[LO_NAME_SIZE]; |
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__u8 lo_crypt_name[LO_NAME_SIZE]; |
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__u8 lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
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__u64 lo_init[2];
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}; |
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/*
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* Loop filter types
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*/
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#define LO_CRYPT_NONE 0 |
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#define LO_CRYPT_XOR 1 |
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#define LO_CRYPT_DES 2 |
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#define LO_CRYPT_FISH2 3 /* Twofish encryption */ |
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#define LO_CRYPT_BLOW 4 |
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#define LO_CRYPT_CAST128 5 |
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#define LO_CRYPT_IDEA 6 |
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#define LO_CRYPT_DUMMY 9 |
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#define LO_CRYPT_SKIPJACK 10 |
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#define LO_CRYPT_CRYPTOAPI 18 |
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#define MAX_LO_CRYPT 20 |
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/*
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* IOCTL commands --- we will commandeer 0x4C ('L')
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*/
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#define LOOP_SET_FD 0x4C00 |
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#define LOOP_CLR_FD 0x4C01 |
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#define LOOP_SET_STATUS 0x4C02 |
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#define LOOP_GET_STATUS 0x4C03 |
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#define LOOP_SET_STATUS64 0x4C04 |
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#define LOOP_GET_STATUS64 0x4C05 |
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#define LOOP_CHANGE_FD 0x4C06 |
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#endif
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