projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| 79a43187 JA |
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 | ||
| f0f346d8 JA |
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 | ||
| 79a43187 JA |
32 | enum { |
| 33 | B_TYPE_READ = 0, | |
| 34 | B_TYPE_WRITE, | |
| 35 | B_TYPE_DISCARD, | |
| 36 | B_TYPE_READVOID, | |
| 37 | B_TYPE_WRITEZERO, | |
| d01c404b JA |
38 | B_TYPE_READBARRIER, |
| 39 | B_TYPE_WRITEBARRIER, | |
| 79a43187 JA |
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 | ||
| 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 |