149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
#ifndef FIO_VERIFY_H
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#define FIO_VERIFY_H
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#include <stdint.h>
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#define FIO_HDR_MAGIC 0xacca
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enum {
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VERIFY_NONE = 0, /* no verification */
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VERIFY_MD5, /* md5 sum data blocks */
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VERIFY_CRC64, /* crc64 sum data blocks */
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VERIFY_CRC32, /* crc32 sum data blocks */
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VERIFY_CRC32C, /* crc32c sum data blocks */
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VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */
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VERIFY_CRC16, /* crc16 sum data blocks */
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VERIFY_CRC7, /* crc7 sum data blocks */
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VERIFY_SHA256, /* sha256 sum data blocks */
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VERIFY_SHA512, /* sha512 sum data blocks */
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VERIFY_XXHASH, /* xxhash sum data blocks */
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VERIFY_META, /* block_num, timestamp etc. */
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VERIFY_SHA1, /* sha1 sum data blocks */
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VERIFY_PATTERN, /* verify specific patterns */
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VERIFY_NULL, /* pretend to verify */
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};
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/*
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* A header structure associated with each checksummed data block. It is
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* followed by a checksum specific header that contains the verification
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* data.
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*/
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struct verify_header {
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uint16_t magic;
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uint16_t verify_type;
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uint32_t len;
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uint64_t rand_seed;
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uint32_t crc32;
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};
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struct vhdr_md5 {
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uint32_t md5_digest[4];
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};
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struct vhdr_sha512 {
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uint8_t sha512[128];
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};
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struct vhdr_sha256 {
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uint8_t sha256[64];
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};
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struct vhdr_sha1 {
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uint32_t sha1[5];
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};
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struct vhdr_crc64 {
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uint64_t crc64;
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};
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struct vhdr_crc32 {
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uint32_t crc32;
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};
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struct vhdr_crc16 {
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uint16_t crc16;
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};
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struct vhdr_crc7 {
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uint8_t crc7;
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};
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struct vhdr_meta {
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uint64_t offset;
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unsigned char thread;
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unsigned short numberio;
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unsigned long time_sec;
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unsigned long time_usec;
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};
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struct vhdr_xxhash {
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uint32_t hash;
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};
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/*
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* Verify helpers
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*/
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extern void populate_verify_io_u(struct thread_data *, struct io_u *);
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extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
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extern int __must_check verify_io_u(struct thread_data *, struct io_u **);
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extern int verify_io_u_async(struct thread_data *, struct io_u **);
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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);
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extern void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len);
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extern void fio_verify_init(struct thread_data *td);
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/*
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* Async verify offload
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*/
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extern int verify_async_init(struct thread_data *);
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extern void verify_async_exit(struct thread_data *);
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struct thread_rand_state {
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uint32_t s[4];
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};
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/*
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* For dumping current write state
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*/
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struct thread_io_list {
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uint64_t no_comps;
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uint64_t depth;
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uint64_t numberio;
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uint64_t index;
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struct thread_rand_state rand;
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uint8_t name[64];
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uint64_t offsets[0];
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};
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struct all_io_list {
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uint64_t threads;
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struct thread_io_list state[0];
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};
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#define VSTATE_HDR_VERSION 0x01
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struct verify_state_hdr {
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uint64_t version;
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uint64_t size;
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uint64_t crc;
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};
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#define IO_LIST_ALL 0xffffffff
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extern struct all_io_list *get_all_io_list(int, size_t *);
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extern void __verify_save_state(struct all_io_list *, const char *);
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extern void verify_save_state(void);
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extern int verify_load_state(struct thread_data *, const char *);
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extern void verify_free_state(struct thread_data *);
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extern int verify_state_should_stop(struct thread_data *, struct io_u *);
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extern void verify_convert_assign_state(struct thread_data *, struct thread_io_list *);
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extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *);
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static inline size_t thread_io_list_sz(struct thread_io_list *s)
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{
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return sizeof(*s) + le64_to_cpu(s->depth) * sizeof(uint64_t);
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}
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static inline struct thread_io_list *io_list_next(struct thread_io_list *s)
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{
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return (void *) s + thread_io_list_sz(s);
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}
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static inline void verify_state_gen_name(char *out, size_t size,
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const char *name, const char *prefix,
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int num)
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{
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snprintf(out, size, "%s-%s-%d-verify.state", prefix, name, num);
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out[size - 1] = '\0';
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}
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#endif
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