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Viewing changes to linux-user/linux_loop.h

  • Committer: ths
  • Date: 2007-10-08 12:45:38 UTC
  • Revision ID: git-v1:450d4ff553af32fc9d83fef20d7106b0151526b8
CRIS disassembler, originally from binutils, by Edgar E. Iglesias.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3356 c046a42c-6fe2-441c-8c8c-71466251a162

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linux-user/linux_loop.h
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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