cirrus: fix off-by-one in cirrus_bitblt_rop_bkwd_transp_*_16
[qemu.git] / linux-user / linux_loop.h
1 /* Copied from 2.6.25 kernel headers to avoid problems on older hosts,
2 * and subsequently updated to match newer additions to the API.
3 */
4
5 #ifndef LINUX_LOOP_H
6 #define LINUX_LOOP_H
7
8 /*
9 * include/linux/loop.h
10 *
11 * Written by Theodore Ts'o, 3/29/93.
12 *
13 * Copyright 1993 by Theodore Ts'o. Redistribution of this file is
14 * permitted under the GNU General Public License.
15 */
16
17 #define LO_NAME_SIZE 64
18 #define LO_KEY_SIZE 32
19
20
21 /*
22 * Loop flags
23 */
24 enum {
25 LO_FLAGS_READ_ONLY = 1,
26 LO_FLAGS_USE_AOPS = 2,
27 LO_FLAGS_AUTOCLEAR = 4,
28 };
29
30 #include <linux/version.h>
31 #include <asm/posix_types.h> /* for __kernel_old_dev_t */
32 #include <asm/types.h> /* for __u64 */
33
34 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) /* This is a guess. */
35 #define __kernel_old_dev_t __kernel_dev_t
36 #endif
37
38 /* Backwards compatibility version */
39 struct loop_info {
40 int lo_number; /* ioctl r/o */
41 __kernel_old_dev_t lo_device; /* ioctl r/o */
42 unsigned long lo_inode; /* ioctl r/o */
43 __kernel_old_dev_t lo_rdevice; /* ioctl r/o */
44 int lo_offset;
45 int lo_encrypt_type;
46 int lo_encrypt_key_size; /* ioctl w/o */
47 int lo_flags; /* ioctl r/o */
48 char lo_name[LO_NAME_SIZE];
49 unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
50 unsigned long lo_init[2];
51 char reserved[4];
52 };
53
54 struct loop_info64 {
55 __u64 lo_device; /* ioctl r/o */
56 __u64 lo_inode; /* ioctl r/o */
57 __u64 lo_rdevice; /* ioctl r/o */
58 __u64 lo_offset;
59 __u64 lo_sizelimit;/* bytes, 0 == max available */
60 __u32 lo_number; /* ioctl r/o */
61 __u32 lo_encrypt_type;
62 __u32 lo_encrypt_key_size; /* ioctl w/o */
63 __u32 lo_flags; /* ioctl r/o */
64 __u8 lo_file_name[LO_NAME_SIZE];
65 __u8 lo_crypt_name[LO_NAME_SIZE];
66 __u8 lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
67 __u64 lo_init[2];
68 };
69
70 /*
71 * Loop filter types
72 */
73
74 #define LO_CRYPT_NONE 0
75 #define LO_CRYPT_XOR 1
76 #define LO_CRYPT_DES 2
77 #define LO_CRYPT_FISH2 3 /* Twofish encryption */
78 #define LO_CRYPT_BLOW 4
79 #define LO_CRYPT_CAST128 5
80 #define LO_CRYPT_IDEA 6
81 #define LO_CRYPT_DUMMY 9
82 #define LO_CRYPT_SKIPJACK 10
83 #define LO_CRYPT_CRYPTOAPI 18
84 #define MAX_LO_CRYPT 20
85
86 /*
87 * IOCTL commands --- we will commandeer 0x4C ('L')
88 */
89
90 #define LOOP_SET_FD 0x4C00
91 #define LOOP_CLR_FD 0x4C01
92 #define LOOP_SET_STATUS 0x4C02
93 #define LOOP_GET_STATUS 0x4C03
94 #define LOOP_SET_STATUS64 0x4C04
95 #define LOOP_GET_STATUS64 0x4C05
96 #define LOOP_CHANGE_FD 0x4C06
97 #define LOOP_SET_CAPACITY 0x4C07
98 #define LOOP_SET_DIRECT_IO 0x4C08
99
100 /* /dev/loop-control interface */
101 #define LOOP_CTL_ADD 0x4C80
102 #define LOOP_CTL_REMOVE 0x4C81
103 #define LOOP_CTL_GET_FREE 0x4C82
104
105 #endif