1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
#ifndef FIO_VERIFY_STATE_H
#define FIO_VERIFY_STATE_H
#include <stdint.h>
#include <string.h>
#include <limits.h>
#include "lib/nowarn_snprintf.h"
struct thread_rand32_state {
uint32_t s[4];
};
struct thread_rand64_state {
uint64_t s[6];
};
struct thread_rand_state {
uint64_t use64;
union {
struct thread_rand32_state state32;
struct thread_rand64_state state64;
};
};
/* a single inflight write */
struct inflight_write {
uint64_t numberio;
};
struct thread_io_list {
uint32_t depth; /* I/O depth of the job that saves the verify state */
uint64_t numberio; /* Number of issued writes */
uint64_t index;
struct thread_rand_state rand;
uint8_t name[64];
struct inflight_write inflight[0];
};
struct all_io_list {
uint64_t threads;
struct thread_io_list state[0];
};
#define VSTATE_HDR_VERSION 0x05
struct verify_state_hdr {
uint64_t version;
uint64_t size;
uint64_t crc;
};
#define IO_LIST_ALL 0xffffffff
struct io_u;
extern struct all_io_list *get_all_io_list(int, size_t *);
extern void __verify_save_state(struct all_io_list *, const char *);
extern void verify_save_state(int mask);
extern int verify_load_state(struct thread_data *, const char *);
extern void verify_free_state(struct thread_data *);
extern int verify_state_should_stop(struct thread_data *, uint64_t);
extern void verify_assign_state(struct thread_data *, void *);
extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *);
static inline size_t __thread_io_list_sz(uint32_t depth)
{
return sizeof(struct thread_io_list) + depth * sizeof(struct inflight_write);
}
static inline size_t thread_io_list_sz(struct thread_io_list *s)
{
return __thread_io_list_sz(le32_to_cpu(s->depth));
}
static inline struct thread_io_list *io_list_next(struct thread_io_list *s)
{
return (struct thread_io_list *)((char *) s + thread_io_list_sz(s));
}
static inline void verify_state_gen_name(char *out, size_t size,
const char *name, const char *prefix,
int num)
{
char ename[PATH_MAX];
char *ptr;
/*
* Escape '/', just turn them into '.'
*/
ptr = ename;
do {
*ptr = *name;
if (*ptr == '\0')
break;
else if (*ptr == '/')
*ptr = '.';
ptr++;
name++;
} while (1);
nowarn_snprintf(out, size, "%s-%s-%d-verify.state", prefix, ename, num);
out[size - 1] = '\0';
}
#define INVALID_NUMBERIO UINT64_MAX
#endif
|
