6 #define FIO_HDR_MAGIC 0xacca
9 VERIFY_NONE = 0, /* no verification */
10 VERIFY_MD5, /* md5 sum data blocks */
11 VERIFY_CRC64, /* crc64 sum data blocks */
12 VERIFY_CRC32, /* crc32 sum data blocks */
13 VERIFY_CRC32C, /* crc32c sum data blocks */
14 VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */
15 VERIFY_CRC16, /* crc16 sum data blocks */
16 VERIFY_CRC7, /* crc7 sum data blocks */
17 VERIFY_SHA256, /* sha256 sum data blocks */
18 VERIFY_SHA512, /* sha512 sum data blocks */
19 VERIFY_XXHASH, /* xxhash sum data blocks */
20 VERIFY_META, /* block_num, timestamp etc. */
21 VERIFY_SHA1, /* sha1 sum data blocks */
22 VERIFY_PATTERN, /* verify specific patterns */
23 VERIFY_PATTERN_NO_HDR, /* verify specific patterns, no hdr */
24 VERIFY_NULL, /* pretend to verify */
28 * A header structure associated with each checksummed data block. It is
29 * followed by a checksum specific header that contains the verification
32 struct verify_header {
41 uint32_t md5_digest[4];
67 unsigned short numberio;
68 unsigned long time_sec;
69 unsigned long time_usec;
78 extern void populate_verify_io_u(struct thread_data *, struct io_u *);
79 extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
80 extern int __must_check verify_io_u(struct thread_data *, struct io_u **);
81 extern int verify_io_u_async(struct thread_data *, struct io_u **);
82 extern void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed);
83 extern void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len);
84 extern void fio_verify_init(struct thread_data *td);
87 * Async verify offload
89 extern int verify_async_init(struct thread_data *);
90 extern void verify_async_exit(struct thread_data *);
92 struct thread_rand32_state {
96 struct thread_rand64_state {
100 struct thread_rand_state {
103 struct thread_rand32_state state32;
104 struct thread_rand64_state state64;
109 * For dumping current write state
111 struct thread_io_list {
116 struct thread_rand_state rand;
121 struct thread_io_list_v1 {
126 struct thread_rand32_state rand;
133 struct thread_io_list state[0];
136 #define VSTATE_HDR_VERSION_V1 0x01
137 #define VSTATE_HDR_VERSION 0x02
139 struct verify_state_hdr {
145 #define IO_LIST_ALL 0xffffffff
146 extern struct all_io_list *get_all_io_list(int, size_t *);
147 extern void __verify_save_state(struct all_io_list *, const char *);
148 extern void verify_save_state(void);
149 extern int verify_load_state(struct thread_data *, const char *);
150 extern void verify_free_state(struct thread_data *);
151 extern int verify_state_should_stop(struct thread_data *, struct io_u *);
152 extern void verify_convert_assign_state(struct thread_data *, void *, int);
153 extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *,
156 static inline size_t __thread_io_list_sz(uint64_t depth)
158 return sizeof(struct thread_io_list) + depth * sizeof(uint64_t);
161 static inline size_t thread_io_list_sz(struct thread_io_list *s)
163 return __thread_io_list_sz(le64_to_cpu(s->depth));
166 static inline struct thread_io_list *io_list_next(struct thread_io_list *s)
168 return (void *) s + thread_io_list_sz(s);
171 static inline void verify_state_gen_name(char *out, size_t size,
172 const char *name, const char *prefix,
175 snprintf(out, size, "%s-%s-%d-verify.state", prefix, name, num);
176 out[size - 1] = '\0';