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
11 struct 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
23 struct b_ioctl_cmd {
24 int fd;
25 int minor;
26 };
27
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
32 enum {
33 B_TYPE_READ = 0,
34 B_TYPE_WRITE,
35 B_TYPE_DISCARD,
36 B_TYPE_READVOID,
37 B_TYPE_WRITEZERO,
38 B_TYPE_READBARRIER,
39 B_TYPE_WRITEBARRIER,
40 B_TYPE_NR
41 };
42
43 enum {
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
binject_buc_set_magic(struct b_user_cmd * buc)66 static 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
72