| 1 | #ifndef FIO_VERIFY_STATE_H |
| 2 | #define FIO_VERIFY_STATE_H |
| 3 | |
| 4 | #include <stdint.h> |
| 5 | #include <string.h> |
| 6 | #include <limits.h> |
| 7 | |
| 8 | struct thread_rand32_state { |
| 9 | uint32_t s[4]; |
| 10 | }; |
| 11 | |
| 12 | struct thread_rand64_state { |
| 13 | uint64_t s[6]; |
| 14 | }; |
| 15 | |
| 16 | struct thread_rand_state { |
| 17 | uint64_t use64; |
| 18 | union { |
| 19 | struct thread_rand32_state state32; |
| 20 | struct thread_rand64_state state64; |
| 21 | }; |
| 22 | }; |
| 23 | |
| 24 | /* |
| 25 | * For dumping current write state |
| 26 | */ |
| 27 | struct file_comp { |
| 28 | uint64_t fileno; |
| 29 | uint64_t offset; |
| 30 | }; |
| 31 | |
| 32 | struct thread_io_list { |
| 33 | uint64_t no_comps; |
| 34 | uint32_t depth; |
| 35 | uint32_t nofiles; |
| 36 | uint64_t numberio; |
| 37 | uint64_t index; |
| 38 | struct thread_rand_state rand; |
| 39 | uint8_t name[64]; |
| 40 | struct file_comp comps[0]; |
| 41 | }; |
| 42 | |
| 43 | struct all_io_list { |
| 44 | uint64_t threads; |
| 45 | struct thread_io_list state[0]; |
| 46 | }; |
| 47 | |
| 48 | #define VSTATE_HDR_VERSION 0x03 |
| 49 | |
| 50 | struct verify_state_hdr { |
| 51 | uint64_t version; |
| 52 | uint64_t size; |
| 53 | uint64_t crc; |
| 54 | }; |
| 55 | |
| 56 | #define IO_LIST_ALL 0xffffffff |
| 57 | |
| 58 | struct io_u; |
| 59 | extern struct all_io_list *get_all_io_list(int, size_t *); |
| 60 | extern void __verify_save_state(struct all_io_list *, const char *); |
| 61 | extern void verify_save_state(int mask); |
| 62 | extern int verify_load_state(struct thread_data *, const char *); |
| 63 | extern void verify_free_state(struct thread_data *); |
| 64 | extern int verify_state_should_stop(struct thread_data *, struct io_u *); |
| 65 | extern void verify_assign_state(struct thread_data *, void *); |
| 66 | extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *); |
| 67 | |
| 68 | static inline size_t __thread_io_list_sz(uint32_t depth, uint32_t nofiles) |
| 69 | { |
| 70 | return sizeof(struct thread_io_list) + depth * nofiles * sizeof(struct file_comp); |
| 71 | } |
| 72 | |
| 73 | static inline size_t thread_io_list_sz(struct thread_io_list *s) |
| 74 | { |
| 75 | return __thread_io_list_sz(le32_to_cpu(s->depth), le32_to_cpu(s->nofiles)); |
| 76 | } |
| 77 | |
| 78 | static inline struct thread_io_list *io_list_next(struct thread_io_list *s) |
| 79 | { |
| 80 | return (struct thread_io_list *)((char *) s + thread_io_list_sz(s)); |
| 81 | } |
| 82 | |
| 83 | static inline void verify_state_gen_name(char *out, size_t size, |
| 84 | const char *name, const char *prefix, |
| 85 | int num) |
| 86 | { |
| 87 | char ename[PATH_MAX]; |
| 88 | char *ptr; |
| 89 | |
| 90 | /* |
| 91 | * Escape '/', just turn them into '.' |
| 92 | */ |
| 93 | ptr = ename; |
| 94 | do { |
| 95 | *ptr = *name; |
| 96 | if (*ptr == '\0') |
| 97 | break; |
| 98 | else if (*ptr == '/') |
| 99 | *ptr = '.'; |
| 100 | ptr++; |
| 101 | name++; |
| 102 | } while (1); |
| 103 | |
| 104 | snprintf(out, size, "%s-%s-%d-verify.state", prefix, ename, num); |
| 105 | out[size - 1] = '\0'; |
| 106 | } |
| 107 | |
| 108 | #endif |