1 #ifndef FIO_VERIFY_H 2 #define FIO_VERIFY_H 3 4 #include <stdint.h> 5 6 #define FIO_HDR_MAGIC 0xacca 7 8 enum { 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_NULL, /* pretend to verify */ 24 }; 25 26 /* 27 * A header structure associated with each checksummed data block. It is 28 * followed by a checksum specific header that contains the verification 29 * data. 30 */ 31 struct verify_header { 32 uint16_t magic; 33 uint16_t verify_type; 34 uint32_t len; 35 uint64_t rand_seed; 36 uint32_t crc32; 37 }; 38 39 struct vhdr_md5 { 40 uint32_t md5_digest[4]; 41 }; 42 struct vhdr_sha512 { 43 uint8_t sha512[128]; 44 }; 45 struct vhdr_sha256 { 46 uint8_t sha256[64]; 47 }; 48 struct vhdr_sha1 { 49 uint32_t sha1[5]; 50 }; 51 struct vhdr_crc64 { 52 uint64_t crc64; 53 }; 54 struct vhdr_crc32 { 55 uint32_t crc32; 56 }; 57 struct vhdr_crc16 { 58 uint16_t crc16; 59 }; 60 struct vhdr_crc7 { 61 uint8_t crc7; 62 }; 63 struct vhdr_meta { 64 uint64_t offset; 65 unsigned char thread; 66 unsigned short numberio; 67 unsigned long time_sec; 68 unsigned long time_usec; 69 }; 70 struct vhdr_xxhash { 71 uint32_t hash; 72 }; 73 74 /* 75 * Verify helpers 76 */ 77 extern void populate_verify_io_u(struct thread_data *, struct io_u *); 78 extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); 79 extern int __must_check verify_io_u(struct thread_data *, struct io_u **); 80 extern int verify_io_u_async(struct thread_data *, struct io_u **); 81 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); 82 extern void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len); 83 extern void fio_verify_init(struct thread_data *td); 84 85 /* 86 * Async verify offload 87 */ 88 extern int verify_async_init(struct thread_data *); 89 extern void verify_async_exit(struct thread_data *); 90 91 struct thread_rand_state { 92 uint32_t s[4]; 93 }; 94 95 /* 96 * For dumping current write state 97 */ 98 struct thread_io_list { 99 uint64_t no_comps; 100 uint64_t depth; 101 uint64_t numberio; 102 uint64_t index; 103 struct thread_rand_state rand; 104 uint8_t name[64]; 105 uint64_t offsets[0]; 106 }; 107 108 struct all_io_list { 109 uint64_t threads; 110 struct thread_io_list state[0]; 111 }; 112 113 #define VSTATE_HDR_VERSION 0x01 114 115 struct verify_state_hdr { 116 uint64_t version; 117 uint64_t size; 118 uint64_t crc; 119 }; 120 121 #define IO_LIST_ALL 0xffffffff 122 extern struct all_io_list *get_all_io_list(int, size_t *); 123 extern void __verify_save_state(struct all_io_list *, const char *); 124 extern void verify_save_state(void); 125 extern int verify_load_state(struct thread_data *, const char *); 126 extern void verify_free_state(struct thread_data *); 127 extern int verify_state_should_stop(struct thread_data *, struct io_u *); 128 extern void verify_convert_assign_state(struct thread_data *, struct thread_io_list *); 129 extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *); 130 131 static inline size_t thread_io_list_sz(struct thread_io_list *s) 132 { 133 return sizeof(*s) + le64_to_cpu(s->depth) * sizeof(uint64_t); 134 } 135 136 static inline struct thread_io_list *io_list_next(struct thread_io_list *s) 137 { 138 return (void *) s + thread_io_list_sz(s); 139 } 140 141 static inline void verify_state_gen_name(char *out, size_t size, 142 const char *name, const char *prefix, 143 int num) 144 { 145 snprintf(out, size, "%s-%s-%d-verify.state", prefix, name, num); 146 out[size - 1] = '\0'; 147 } 148 149 #endif 150
