#include <unistd.h>
#include <fcntl.h>
#include <string.h>
+#include <assert.h>
#include "fio.h"
-#include "os.h"
static void fill_random_bytes(struct thread_data *td,
unsigned char *p, unsigned int len)
{
unsigned int todo;
- double r;
+ int r;
while (len) {
- r = os_random_double(&td->verify_state);
+ r = os_random_long(&td->verify_state);
/*
* lrand48_r seems to be broken and only fill the bottom
}
}
+void memswp(void* buf1, void* buf2, unsigned int len)
+{
+ struct verify_header swap;
+ memcpy(&swap, buf1, len);
+ memcpy(buf1, buf2, len);
+ memcpy(buf2, &swap, len);
+}
+
static void hexdump(void *buffer, int len)
{
unsigned char *p = buffer;
int i;
for (i = 0; i < len; i++)
- fprintf(f_out, "%02x", p[i]);
- fprintf(f_out, "\n");
+ log_info("%02x", p[i]);
+ log_info("\n");
+}
+
+static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u,
+ unsigned char header_num)
+{
+ unsigned char *p = io_u->buf;
+ unsigned char c;
+
+ p += header_num * hdr->len + sizeof(*hdr);
+ c = crc7(p, hdr->len - sizeof(*hdr));
+
+ if (c != hdr->crc7) {
+ log_err("crc7: verify failed at %llu/%u\n",
+ io_u->offset + header_num * hdr->len,
+ hdr->len);
+ log_err("crc7: wanted %x, got %x\n", hdr->crc7, c);
+ return 1;
+ }
+
+ return 0;
}
-static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u)
+static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u,
+ unsigned int header_num)
{
- unsigned char *p = (unsigned char *) io_u->buf;
+ unsigned char *p = io_u->buf;
+ unsigned short c;
+
+ p += header_num * hdr->len + sizeof(*hdr);
+ c = crc16(p, hdr->len - sizeof(*hdr));
+
+ if (c != hdr->crc16) {
+ log_err("crc16: verify failed at %llu/%u\n",
+ io_u->offset + header_num * hdr->len,
+ hdr->len);
+ log_err("crc16: wanted %x, got %x\n", hdr->crc16, c);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u,
+ unsigned int header_num)
+{
+ unsigned char *p = io_u->buf;
+ unsigned long long c;
+
+ p += header_num * hdr->len + sizeof(*hdr);
+ c = crc64(p, hdr->len - sizeof(*hdr));
+
+ if (c != hdr->crc64) {
+ log_err("crc64: verify failed at %llu/%u\n",
+ io_u->offset + header_num * hdr->len,
+ hdr->len);
+ log_err("crc64: wanted %llx, got %llx\n", hdr->crc64, c);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u,
+ unsigned int header_num)
+{
+ unsigned char *p = io_u->buf;
unsigned long c;
- p += sizeof(*hdr);
+ p += header_num * hdr->len + sizeof(*hdr);
c = crc32(p, hdr->len - sizeof(*hdr));
if (c != hdr->crc32) {
- log_err("crc32: verify failed at %llu/%lu\n", io_u->offset, io_u->buflen);
+ log_err("crc32: verify failed at %llu/%u\n",
+ io_u->offset + header_num * hdr->len,
+ hdr->len);
log_err("crc32: wanted %lx, got %lx\n", hdr->crc32, c);
return 1;
}
return 0;
}
-static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u)
+static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u,
+ unsigned int header_num)
{
- unsigned char *p = (unsigned char *) io_u->buf;
- struct md5_ctx md5_ctx;
+ unsigned char *p = io_u->buf;
+ uint32_t hash[MD5_HASH_WORDS];
+ struct md5_ctx md5_ctx = {
+ .hash = hash,
+ };
- memset(&md5_ctx, 0, sizeof(md5_ctx));
- p += sizeof(*hdr);
+ p += header_num * hdr->len + sizeof(*hdr);
md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr));
if (memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash))) {
- log_err("md5: verify failed at %llu/%lu\n", io_u->offset, io_u->buflen);
+ log_err("md5: verify failed at %llu/%u\n",
+ io_u->offset + header_num * hdr->len,
+ hdr->len);
hexdump(hdr->md5_digest, sizeof(hdr->md5_digest));
- hexdump(md5_ctx.hash, sizeof(md5_ctx.hash));
+ hexdump(md5_ctx.hash, sizeof(hash));
return 1;
}
return 0;
}
-static int verify_io_u(struct io_u *io_u)
+int verify_io_u(struct thread_data *td, struct io_u *io_u)
{
- struct verify_header *hdr = (struct verify_header *) io_u->buf;
+ unsigned char *p = (unsigned char*) io_u->buf;
+ struct verify_header *hdr;
+ unsigned int hdr_inc, hdr_num = 0;
int ret;
- if (hdr->fio_magic != FIO_HDR_MAGIC) {
- log_err("Bad verify header %x\n", hdr->fio_magic);
- return 1;
- }
+ if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ)
+ return 0;
- if (hdr->verify_type == VERIFY_MD5)
- ret = verify_io_u_md5(hdr, io_u);
- else if (hdr->verify_type == VERIFY_CRC32)
- ret = verify_io_u_crc32(hdr, io_u);
- else {
- log_err("Bad verify type %u\n", hdr->verify_type);
- ret = 1;
+ hdr_inc = io_u->buflen;
+ if (td->o.header_interval)
+ hdr_inc = td->o.header_interval;
+
+ for (; p < (unsigned char*) io_u->buf + io_u->buflen; p += hdr_inc) {
+ if (td->o.header_offset)
+ memswp(p, &p[td->o.header_offset], sizeof(*hdr));
+
+ hdr = (struct verify_header*) p;
+
+ if (hdr->fio_magic != FIO_HDR_MAGIC) {
+ log_err("Bad verify header %x\n", hdr->fio_magic);
+ return EIO;
+ }
+
+ switch (hdr->verify_type) {
+ case VERIFY_MD5:
+ ret = verify_io_u_md5(hdr, io_u, hdr_num);
+ break;
+ case VERIFY_CRC64:
+ ret = verify_io_u_crc64(hdr, io_u, hdr_num);
+ break;
+ case VERIFY_CRC32:
+ ret = verify_io_u_crc32(hdr, io_u, hdr_num);
+ break;
+ case VERIFY_CRC16:
+ ret = verify_io_u_crc16(hdr, io_u, hdr_num);
+ break;
+ case VERIFY_CRC7:
+ ret = verify_io_u_crc7(hdr, io_u, hdr_num);
+ break;
+ default:
+ log_err("Bad verify type %u\n", hdr->verify_type);
+ ret = 1;
+ }
+ hdr_num++;
}
- return ret;
+ return 0;
+}
+
+static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len)
+{
+ hdr->crc7 = crc7(p, len);
+}
+
+static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len)
+{
+ hdr->crc16 = crc16(p, len);
}
static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len)
hdr->crc32 = crc32(p, len);
}
+static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len)
+{
+ hdr->crc64 = crc64(p, len);
+}
+
static void fill_md5(struct verify_header *hdr, void *p, unsigned int len)
{
- struct md5_ctx md5_ctx;
+ struct md5_ctx md5_ctx = {
+ .hash = (uint32_t *) hdr->md5_digest,
+ };
- memset(&md5_ctx, 0, sizeof(md5_ctx));
md5_update(&md5_ctx, p, len);
- memcpy(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash));
}
/*
*/
void populate_verify_io_u(struct thread_data *td, struct io_u *io_u)
{
- unsigned char *p = (unsigned char *) io_u->buf;
- struct verify_header hdr;
-
- hdr.fio_magic = FIO_HDR_MAGIC;
- hdr.len = io_u->buflen;
- p += sizeof(hdr);
- fill_random_bytes(td, p, io_u->buflen - sizeof(hdr));
-
- if (td->verify == VERIFY_MD5) {
- fill_md5(&hdr, p, io_u->buflen - sizeof(hdr));
- hdr.verify_type = VERIFY_MD5;
- } else {
- fill_crc32(&hdr, p, io_u->buflen - sizeof(hdr));
- hdr.verify_type = VERIFY_CRC32;
+ struct verify_header *hdr;
+ unsigned char *p = io_u->buf, *data;
+ unsigned int hdr_inc, data_len;
+
+ if (td->o.verify == VERIFY_NULL)
+ return;
+
+ fill_random_bytes(td, p, io_u->buflen);
+
+ hdr_inc = io_u->buflen;
+ if (td->o.header_interval)
+ hdr_inc = td->o.header_interval;
+ data_len = hdr_inc - sizeof(*hdr);
+
+ for (;p < (unsigned char*) io_u->buf + io_u->buflen; p += hdr_inc) {
+ hdr = (struct verify_header*) p;
+
+ hdr->fio_magic = FIO_HDR_MAGIC;
+ hdr->verify_type = td->o.verify;
+ hdr->len = hdr_inc;
+
+ data = p + sizeof(*hdr);
+ switch (td->o.verify) {
+ case VERIFY_MD5:
+ fill_md5(hdr, data, data_len);
+ break;
+ case VERIFY_CRC64:
+ fill_crc64(hdr, data, data_len);
+ break;
+ case VERIFY_CRC32:
+ fill_crc32(hdr, data, data_len);
+ break;
+ case VERIFY_CRC16:
+ fill_crc16(hdr, data, data_len);
+ break;
+ case VERIFY_CRC7:
+ fill_crc7(hdr, data, data_len);
+ break;
+ default:
+ log_err("fio: bad verify type: %d\n", td->o.verify);
+ assert(0);
+ }
+ if (td->o.header_offset)
+ memswp(p, &p[td->o.header_offset], sizeof(*hdr));
}
-
- memcpy(io_u->buf, &hdr, sizeof(hdr));
}
int get_next_verify(struct thread_data *td, struct io_u *io_u)
{
- struct io_piece *ipo;
+ struct io_piece *ipo = NULL;
- if (!list_empty(&td->io_hist_list)) {
- ipo = list_entry(td->io_hist_list.next, struct io_piece, list);
+ /*
+ * this io_u is from a requeue, we already filled the offsets
+ */
+ if (io_u->file)
+ return 0;
+ if (!RB_EMPTY_ROOT(&td->io_hist_tree)) {
+ struct rb_node *n = rb_first(&td->io_hist_tree);
+
+ ipo = rb_entry(n, struct io_piece, rb_node);
+ rb_erase(n, &td->io_hist_tree);
+ } else if (!list_empty(&td->io_hist_list)) {
+ ipo = list_entry(td->io_hist_list.next, struct io_piece, list);
list_del(&ipo->list);
+ }
+ if (ipo) {
io_u->offset = ipo->offset;
io_u->buflen = ipo->len;
io_u->file = ipo->file;
+
+ if ((io_u->file->flags & FIO_FILE_OPEN) == 0) {
+ int r = td_io_open_file(td, io_u->file);
+
+ if (r)
+ return 1;
+ }
+
+ get_file(ipo->file);
+ assert(io_u->file->flags & FIO_FILE_OPEN);
io_u->ddir = DDIR_READ;
io_u->xfer_buf = io_u->buf;
io_u->xfer_buflen = io_u->buflen;
return 1;
}
-
-int do_io_u_verify(struct thread_data *td, struct io_u **io_u)
-{
- struct io_u *v_io_u = *io_u;
- int ret = 0;
-
- if (v_io_u) {
- struct io_completion_data icd;
-
- ret = verify_io_u(v_io_u);
- init_icd(&icd);
- io_completed(td, v_io_u, &icd);
- put_io_u(td, v_io_u);
- *io_u = NULL;
- }
-
- return ret;
-}