static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc)
{
void *p = io_u_verify_off(hdr, vc);
struct vhdr_md5 *vh = hdr_priv(hdr);
uint32_t hash[MD5_HASH_WORDS];
struct fio_md5_ctx md5_ctx = {
.hash = hash,
};
dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len);
fio_md5_init(&md5_ctx);
fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(vc->td, hdr));
fio_md5_final(&md5_ctx);
if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash)))
return 0;
vc->name = "md5";
vc->good_crc = vh->md5_digest;
vc->bad_crc = md5_ctx.hash;
vc->crc_len = sizeof(hash);
log_verify_failure(hdr, vc);
return EILSEQ;
}
static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc)
{
void *p = io_u_verify_off(hdr, vc);
struct vhdr_sha1 *vh = hdr_priv(hdr);
uint32_t sha1[5];
struct fio_sha1_ctx sha1_ctx = {
.H = sha1,
};
dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len);
fio_sha1_init(&sha1_ctx);
fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(vc->td, hdr));
fio_sha1_final(&sha1_ctx);
if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1)))
return 0;
vc->name = "sha1";
vc->good_crc = vh->sha1;
vc->bad_crc = sha1_ctx.H;
vc->crc_len = sizeof(vh->sha1);
log_verify_failure(hdr, vc);
return EILSEQ;
}
static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc)
{
void *p = io_u_verify_off(hdr, vc);
struct vhdr_sha256 *vh = hdr_priv(hdr);
uint8_t sha256[64];
struct fio_sha256_ctx sha256_ctx = {
.buf = sha256,
};
dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len);
fio_sha256_init(&sha256_ctx);
fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(vc->td, hdr));
fio_sha256_final(&sha256_ctx);
if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256)))
return 0;
vc->name = "sha256";
vc->good_crc = vh->sha256;
vc->bad_crc = sha256_ctx.buf;
vc->crc_len = sizeof(vh->sha256);
log_verify_failure(hdr, vc);
return EILSEQ;
}
static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc)
{
struct thread_data *td = vc->td;
struct vhdr_meta *vh = hdr_priv(hdr);
struct io_u *io_u = vc->io_u;
int ret = EILSEQ;
dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len);
if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval)
ret = 0;
if (td->o.verify_pattern_bytes)
ret |= verify_io_u_pattern(hdr, vc);
/*
* For read-only workloads, the program cannot be certain of the
* last numberio written to a block. Checking of numberio will be done
* only for workloads that write data.
* For verify_only, numberio will be checked in the last iteration when
* the correct state of numberio, that would have been written to each
* block in a previous run of fio, has been reached.
*/
if (td_write(td) || td_rw(td))
if (!td->o.verify_only || td->o.loops == 0)
if (vh->numberio != io_u->numberio)
ret = EILSEQ;
if (!ret)
return 0;
vc->name = "meta";
log_verify_failure(hdr, vc);
return ret;
}
static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc)
{
void *p = io_u_verify_off(hdr, vc);
struct vhdr_crc32 *vh = hdr_priv(hdr);
uint32_t c;
dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len);
c = fio_crc32c(p, hdr->len - hdr_size(vc->td, hdr));
if (c == vh->crc32)
return 0;
vc->name = "crc32c";
vc->good_crc = &vh->crc32;
vc->bad_crc = &c;
vc->crc_len = 4;
log_verify_failure(hdr, vc);
return EILSEQ;
}
static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc)
{
void *p = io_u_verify_off(hdr, vc);
struct vhdr_crc64 *vh = hdr_priv(hdr);
unsigned long long c;
dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len);
c = fio_crc64(p, hdr->len - hdr_size(vc->td, hdr));
if (c == vh->crc64)
return 0;
vc->name = "crc64";
vc->good_crc = &vh->crc64;
vc->bad_crc = &c;
vc->crc_len = 8;
log_verify_failure(hdr, vc);
return EILSEQ;
}
static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc)
{
struct thread_data *td = vc->td;
struct vhdr_meta *vh = hdr_priv(hdr);
struct io_u *io_u = vc->io_u;
int ret = EILSEQ;
dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len);
if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval)
ret = 0;
if (td->o.verify_pattern_bytes)
ret |= verify_io_u_pattern(hdr, vc);
if (!ret)
return 0;
vc->name = "meta";
log_verify_failure(hdr, vc);
return ret;
}
static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc)
{
void *p = io_u_verify_off(hdr, vc);
struct vhdr_xxhash *vh = hdr_priv(hdr);
uint32_t hash;
void *state;
dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len);
state = XXH32_init(1);
XXH32_update(state, p, hdr->len - hdr_size(vc->td, hdr));
hash = XXH32_digest(state);
if (vh->hash == hash)
return 0;
vc->name = "xxhash";
vc->good_crc = &vh->hash;
vc->bad_crc = &hash;
vc->crc_len = sizeof(hash);
log_verify_failure(hdr, vc);
return EILSEQ;
}
