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Diffstat (limited to 'include/linux/aio_abi.h')
-rw-r--r-- | include/linux/aio_abi.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/include/linux/aio_abi.h b/include/linux/aio_abi.h deleted file mode 100644 index 86fa7a71336a..000000000000 --- a/include/linux/aio_abi.h +++ /dev/null | |||
@@ -1,111 +0,0 @@ | |||
1 | /* include/linux/aio_abi.h | ||
2 | * | ||
3 | * Copyright 2000,2001,2002 Red Hat. | ||
4 | * | ||
5 | * Written by Benjamin LaHaise <bcrl@kvack.org> | ||
6 | * | ||
7 | * Distribute under the terms of the GPLv2 (see ../../COPYING) or under | ||
8 | * the following terms. | ||
9 | * | ||
10 | * Permission to use, copy, modify, and distribute this software and its | ||
11 | * documentation is hereby granted, provided that the above copyright | ||
12 | * notice appears in all copies. This software is provided without any | ||
13 | * warranty, express or implied. Red Hat makes no representations about | ||
14 | * the suitability of this software for any purpose. | ||
15 | * | ||
16 | * IN NO EVENT SHALL RED HAT BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, | ||
17 | * SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF | ||
18 | * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF RED HAT HAS BEEN ADVISED | ||
19 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
20 | * | ||
21 | * RED HAT DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
23 | * PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND | ||
24 | * RED HAT HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, | ||
25 | * ENHANCEMENTS, OR MODIFICATIONS. | ||
26 | */ | ||
27 | #ifndef __LINUX__AIO_ABI_H | ||
28 | #define __LINUX__AIO_ABI_H | ||
29 | |||
30 | #include <linux/types.h> | ||
31 | #include <asm/byteorder.h> | ||
32 | |||
33 | typedef __kernel_ulong_t aio_context_t; | ||
34 | |||
35 | enum { | ||
36 | IOCB_CMD_PREAD = 0, | ||
37 | IOCB_CMD_PWRITE = 1, | ||
38 | IOCB_CMD_FSYNC = 2, | ||
39 | IOCB_CMD_FDSYNC = 3, | ||
40 | /* These two are experimental. | ||
41 | * IOCB_CMD_PREADX = 4, | ||
42 | * IOCB_CMD_POLL = 5, | ||
43 | */ | ||
44 | IOCB_CMD_NOOP = 6, | ||
45 | IOCB_CMD_PREADV = 7, | ||
46 | IOCB_CMD_PWRITEV = 8, | ||
47 | }; | ||
48 | |||
49 | /* | ||
50 | * Valid flags for the "aio_flags" member of the "struct iocb". | ||
51 | * | ||
52 | * IOCB_FLAG_RESFD - Set if the "aio_resfd" member of the "struct iocb" | ||
53 | * is valid. | ||
54 | */ | ||
55 | #define IOCB_FLAG_RESFD (1 << 0) | ||
56 | |||
57 | /* read() from /dev/aio returns these structures. */ | ||
58 | struct io_event { | ||
59 | __u64 data; /* the data field from the iocb */ | ||
60 | __u64 obj; /* what iocb this event came from */ | ||
61 | __s64 res; /* result code for this event */ | ||
62 | __s64 res2; /* secondary result */ | ||
63 | }; | ||
64 | |||
65 | #if defined(__LITTLE_ENDIAN) | ||
66 | #define PADDED(x,y) x, y | ||
67 | #elif defined(__BIG_ENDIAN) | ||
68 | #define PADDED(x,y) y, x | ||
69 | #else | ||
70 | #error edit for your odd byteorder. | ||
71 | #endif | ||
72 | |||
73 | /* | ||
74 | * we always use a 64bit off_t when communicating | ||
75 | * with userland. its up to libraries to do the | ||
76 | * proper padding and aio_error abstraction | ||
77 | */ | ||
78 | |||
79 | struct iocb { | ||
80 | /* these are internal to the kernel/libc. */ | ||
81 | __u64 aio_data; /* data to be returned in event's data */ | ||
82 | __u32 PADDED(aio_key, aio_reserved1); | ||
83 | /* the kernel sets aio_key to the req # */ | ||
84 | |||
85 | /* common fields */ | ||
86 | __u16 aio_lio_opcode; /* see IOCB_CMD_ above */ | ||
87 | __s16 aio_reqprio; | ||
88 | __u32 aio_fildes; | ||
89 | |||
90 | __u64 aio_buf; | ||
91 | __u64 aio_nbytes; | ||
92 | __s64 aio_offset; | ||
93 | |||
94 | /* extra parameters */ | ||
95 | __u64 aio_reserved2; /* TODO: use this for a (struct sigevent *) */ | ||
96 | |||
97 | /* flags for the "struct iocb" */ | ||
98 | __u32 aio_flags; | ||
99 | |||
100 | /* | ||
101 | * if the IOCB_FLAG_RESFD flag of "aio_flags" is set, this is an | ||
102 | * eventfd to signal AIO readiness to | ||
103 | */ | ||
104 | __u32 aio_resfd; | ||
105 | }; /* 64 bytes */ | ||
106 | |||
107 | #undef IFBIG | ||
108 | #undef IFLITTLE | ||
109 | |||
110 | #endif /* __LINUX__AIO_ABI_H */ | ||
111 | |||