Add support for cpus_allowed_policy
[fio.git] / os / binject.h
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1#ifndef BINJECT_H
2#define BINJECT_H
3
4#include <linux/types.h>
5
6#define BINJECT_MAGIC 0x89
7#define BINJECT_VER 0x01
8#define BINJECT_MAGIC_SHIFT 8
9#define BINJECT_VER_MASK ((1 << BINJECT_MAGIC_SHIFT) - 1)
10
11struct b_user_cmd {
12 __u16 magic; /* INPUT */
13 __u16 type; /* INPUT */
14 __u32 error; /* OUTPUT */
15 __u32 flags; /* INPUT */
16 __u32 len; /* INPUT */
17 __u64 offset; /* INPUT */
18 __u64 buf; /* INPUT */
19 __u64 usr_ptr; /* PASSED THROUGH */
20 __u64 nsec; /* OUTPUT */
21};
22
23struct b_ioctl_cmd {
24 int fd;
25 int minor;
26};
27
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28#define BINJECT_IOCTL_CHR 'J'
29#define B_IOCTL_ADD _IOWR(BINJECT_IOCTL_CHR, 1, struct b_ioctl_cmd)
30#define B_IOCTL_DEL _IOWR(BINJECT_IOCTL_CHR, 2, struct b_ioctl_cmd)
31
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32enum {
33 B_TYPE_READ = 0,
34 B_TYPE_WRITE,
35 B_TYPE_DISCARD,
36 B_TYPE_READVOID,
37 B_TYPE_WRITEZERO,
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38 B_TYPE_READBARRIER,
39 B_TYPE_WRITEBARRIER,
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40 B_TYPE_NR
41};
42
43enum {
44 __B_FLAG_SYNC = 0,
45 __B_FLAG_UNPLUG,
46 __B_FLAG_NOIDLE,
47 __B_FLAG_BARRIER,
48 __B_FLAG_META,
49 __B_FLAG_RAHEAD,
50 __B_FLAG_FAILFAST_DEV,
51 __B_FLAG_FAILFAST_TRANSPORT,
52 __B_FLAG_FAILFAST_DRIVER,
53 __B_FLAG_NR,
54
55 B_FLAG_SYNC = 1 << __B_FLAG_SYNC,
56 B_FLAG_UNPLUG = 1 << __B_FLAG_UNPLUG,
57 B_FLAG_NOIDLE = 1 << __B_FLAG_NOIDLE,
58 B_FLAG_BARRIER = 1 << __B_FLAG_BARRIER,
59 B_FLAG_META = 1 << __B_FLAG_META,
60 B_FLAG_RAHEAD = 1 << __B_FLAG_RAHEAD,
61 B_FLAG_FAILFAST_DEV = 1 << __B_FLAG_FAILFAST_DEV,
62 B_FLAG_FAILFAST_TRANSPORT = 1 << __B_FLAG_FAILFAST_TRANSPORT,
63 B_FLAG_FAILFAST_DRIVER = 1 << __B_FLAG_FAILFAST_DRIVER,
64};
65
66static inline void binject_buc_set_magic(struct b_user_cmd *buc)
67{
68 buc->magic = (BINJECT_MAGIC << BINJECT_MAGIC_SHIFT) | BINJECT_VER;
69}
70
71#endif