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 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