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Spdk/test/unit/lib/util/dif.c/dif_ut.c
Shuhei Matsumoto 466ca6d494 dif: Insert DIF into newly read data block by stream fashion 
Add an new API spdk_dif_generate_stream() to insert DIF into
the metadata space of newly read data block by stream fashion.

This API is tested by replacing the previous DIF generation such
that DIF is generated once all data was read.

Change-Id: I757b4e6f10fe2d9d643f56ebb678c731cdad63bb
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/446594
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
2019-03-13 01:40:02 +00:00

1645 lines
48 KiB
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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk_cunit.h"
#include "util/dif.c"
#define DATA_PATTERN(offset) ((uint8_t)(0xAB + (offset)))
#define GUARD_SEED 0xCD
static int
ut_data_pattern_generate(struct iovec *iovs, int iovcnt,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks)
{
struct _iov_iter iter;
uint32_t offset_blocks, offset_in_block, buf_len, data_offset, i;
uint8_t *buf;
if (!_are_iovs_valid(iovs, iovcnt, block_size * num_blocks)) {
return -1;
}
offset_blocks = 0;
_iov_iter_init(&iter, iovs, iovcnt);
data_offset = 0;
while (offset_blocks < num_blocks) {
offset_in_block = 0;
while (offset_in_block < block_size) {
_iov_iter_get_buf(&iter, (void *)&buf, &buf_len);
if (offset_in_block < block_size - md_size) {
buf_len = spdk_min(buf_len,
block_size - md_size - offset_in_block);
for (i = 0; i < buf_len; i++) {
buf[i] = DATA_PATTERN(data_offset + i);
}
data_offset += buf_len;
} else {
buf_len = spdk_min(buf_len, block_size - offset_in_block);
memset(buf, 0, buf_len);
}
_iov_iter_advance(&iter, buf_len);
offset_in_block += buf_len;
}
offset_blocks++;
}
return 0;
}
static int
ut_data_pattern_verify(struct iovec *iovs, int iovcnt,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks)
{
struct _iov_iter iter;
uint32_t offset_blocks, offset_in_block, buf_len, data_offset, i;
uint8_t *buf;
if (!_are_iovs_valid(iovs, iovcnt, block_size * num_blocks)) {
return -1;
}
offset_blocks = 0;
_iov_iter_init(&iter, iovs, iovcnt);
data_offset = 0;
while (offset_blocks < num_blocks) {
offset_in_block = 0;
while (offset_in_block < block_size) {
_iov_iter_get_buf(&iter, (void *)&buf, &buf_len);
if (offset_in_block < block_size - md_size) {
buf_len = spdk_min(buf_len,
block_size - md_size - offset_in_block);
for (i = 0; i < buf_len; i++) {
if (buf[i] != DATA_PATTERN(data_offset + i)) {
return -1;
}
}
data_offset += buf_len;
} else {
buf_len = spdk_min(buf_len, block_size - offset_in_block);
}
_iov_iter_advance(&iter, buf_len);
offset_in_block += buf_len;
}
offset_blocks++;
}
return 0;
}
static void
_iov_alloc_buf(struct iovec *iov, uint32_t len)
{
iov->iov_base = calloc(1, len);
iov->iov_len = len;
SPDK_CU_ASSERT_FATAL(iov->iov_base != NULL);
}
static void
_iov_free_buf(struct iovec *iov)
{
free(iov->iov_base);
}
static void
_iov_set_buf(struct iovec *iov, uint8_t *buf, uint32_t buf_len)
{
iov->iov_base = buf;
iov->iov_len = buf_len;
}
static bool
_iov_check(struct iovec *iov, void *iov_base, uint32_t iov_len)
{
return (iov->iov_base == iov_base && iov->iov_len == iov_len);
}
static void
_dif_generate_and_verify(struct iovec *iov,
uint32_t block_size, uint32_t md_size, bool dif_loc,
enum spdk_dif_type dif_type, uint32_t dif_flags,
uint32_t ref_tag, uint32_t e_ref_tag,
uint16_t app_tag, uint16_t apptag_mask, uint16_t e_app_tag,
bool expect_pass)
{
struct spdk_dif_ctx ctx = {};
uint32_t guard_interval;
uint16_t guard = 0;
int rc;
rc = ut_data_pattern_generate(iov, 1, block_size, md_size, 1);
CU_ASSERT(rc == 0);
guard_interval = _get_guard_interval(block_size, md_size, dif_loc, true);
ctx.dif_type = dif_type;
ctx.dif_flags = dif_flags;
ctx.init_ref_tag = ref_tag;
ctx.app_tag = app_tag;
if (dif_flags & SPDK_DIF_FLAGS_GUARD_CHECK) {
guard = spdk_crc16_t10dif(0, iov->iov_base, guard_interval);
}
_dif_generate(iov->iov_base + guard_interval, guard, 0, &ctx);
ctx.init_ref_tag = e_ref_tag;
ctx.apptag_mask = apptag_mask;
ctx.app_tag = e_app_tag;
rc = _dif_verify(iov->iov_base + guard_interval, guard, 0, &ctx, NULL);
CU_ASSERT((expect_pass && rc == 0) || (!expect_pass && rc != 0));
rc = ut_data_pattern_verify(iov, 1, block_size, md_size, 1);
CU_ASSERT(rc == 0);
}
static void
dif_generate_and_verify_test(void)
{
struct iovec iov;
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iov, 4096 + 128);
/* Positive cases */
/* The case that DIF is contained in the first 8 bytes of metadata. */
_dif_generate_and_verify(&iov,
4096 + 128, 128, true,
SPDK_DIF_TYPE1, dif_flags,
22, 22,
0x22, 0xFFFF, 0x22,
true);
/* The case that DIF is contained in the last 8 bytes of metadata. */
_dif_generate_and_verify(&iov,
4096 + 128, 128, false,
SPDK_DIF_TYPE1, dif_flags,
22, 22,
0x22, 0xFFFF, 0x22,
true);
/* Negative cases */
/* Reference tag doesn't match. */
_dif_generate_and_verify(&iov,
4096 + 128, 128, false,
SPDK_DIF_TYPE1, dif_flags,
22, 23,
0x22, 0xFFFF, 0x22,
false);
/* Application tag doesn't match. */
_dif_generate_and_verify(&iov,
4096 + 128, 128, false,
SPDK_DIF_TYPE1, dif_flags,
22, 22,
0x22, 0xFFFF, 0x23,
false);
_iov_free_buf(&iov);
}
static void
dif_disable_check_test(void)
{
struct iovec iov;
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iov, 4096 + 128);
/* The case that DIF check is disabled when the Application Tag is 0xFFFF for
* Type 1. DIF check is disabled and pass is expected.
*/
_dif_generate_and_verify(&iov,
4096 + 128, 128, false,
SPDK_DIF_TYPE1, dif_flags,
22, 22,
0xFFFF, 0xFFFF, 0x22,
true);
/* The case that DIF check is not disabled when the Application Tag is 0xFFFF but
* the Reference Tag is not 0xFFFFFFFF for Type 3. DIF check is not disabled and
* fail is expected.
*/
_dif_generate_and_verify(&iov,
4096 + 128, 128, false,
SPDK_DIF_TYPE3, dif_flags,
22, 22,
0xFFFF, 0xFFFF, 0x22,
false);
/* The case that DIF check is disabled when the Application Tag is 0xFFFF and
* the Reference Tag is 0xFFFFFFFF for Type 3. DIF check is disabled and
* pass is expected.
*/
_dif_generate_and_verify(&iov,
4096 + 128, 128, false,
SPDK_DIF_TYPE3, dif_flags,
0xFFFFFFFF, 22,
0xFFFF, 0xFFFF, 0x22,
true);
_iov_free_buf(&iov);
}
static void
dif_sec_512_md_0_error_test(void)
{
struct spdk_dif_ctx ctx = {};
int rc;
/* Metadata size is 0. */
rc = spdk_dif_ctx_init(&ctx, 512, 0, true, false, SPDK_DIF_TYPE1, 0, 0, 0, 0, 0);
CU_ASSERT(rc != 0);
}
static void
dif_guard_seed_test(void)
{
struct iovec iov;
struct spdk_dif_ctx ctx = {};
struct spdk_dif_error err_blk = {};
struct spdk_dif *dif;
uint16_t guard;
int rc;
_iov_alloc_buf(&iov, 512 + 8);
memset(iov.iov_base, 0, 512 + 8);
dif = (struct spdk_dif *)(iov.iov_base + 512);
rc = spdk_dif_ctx_init(&ctx, 512 + 8, 8, true, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_GUARD_CHECK, 0, 0, 0, 0);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate(&iov, 1, 1, &ctx);
CU_ASSERT(rc == 0);
/* Guard should be zero if the block is all zero and seed is not added. */
guard = from_be16(&dif->guard);
CU_ASSERT(guard == 0);
rc = spdk_dif_verify(&iov, 1, 1, &ctx, &err_blk);
CU_ASSERT(rc == 0);
rc = spdk_dif_ctx_init(&ctx, 512 + 8, 8, true, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_GUARD_CHECK, 0, 0, 0, GUARD_SEED);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate(&iov, 1, 1, &ctx);
CU_ASSERT(rc == 0);
/* Guard should not be zero if the block is all zero but seed is added. */
guard = from_be16(&dif->guard);
CU_ASSERT(guard != 0);
rc = spdk_dif_verify(&iov, 1, 1, &ctx, &err_blk);
CU_ASSERT(rc == 0);
_iov_free_buf(&iov);
}
static void
dif_generate_and_verify(struct iovec *iovs, int iovcnt,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
bool dif_loc, enum spdk_dif_type dif_type, uint32_t dif_flags,
uint32_t init_ref_tag, uint16_t apptag_mask, uint16_t app_tag)
{
struct spdk_dif_ctx ctx = {};
int rc;
rc = ut_data_pattern_generate(iovs, iovcnt, block_size, md_size, num_blocks);
CU_ASSERT(rc == 0);
rc = spdk_dif_ctx_init(&ctx, block_size, md_size, true, dif_loc, dif_type, dif_flags,
init_ref_tag, apptag_mask, app_tag, GUARD_SEED);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate(iovs, iovcnt, num_blocks, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_verify(iovs, iovcnt, num_blocks, &ctx, NULL);
CU_ASSERT(rc == 0);
rc = ut_data_pattern_verify(iovs, iovcnt, block_size, md_size, num_blocks);
CU_ASSERT(rc == 0);
}
static void
dif_disable_sec_512_md_8_single_iov_test(void)
{
struct iovec iov;
_iov_alloc_buf(&iov, 512 + 8);
dif_generate_and_verify(&iov, 1, 512 + 8, 8, 1, false, SPDK_DIF_DISABLE, 0, 0, 0, 0);
_iov_free_buf(&iov);
}
static void
dif_sec_512_md_8_prchk_0_single_iov_test(void)
{
struct iovec iov;
_iov_alloc_buf(&iov, 512 + 8);
dif_generate_and_verify(&iov, 1, 512 + 8, 8, 1, false, SPDK_DIF_TYPE1, 0, 0, 0, 0);
_iov_free_buf(&iov);
}
static void
dif_sec_512_md_8_prchk_0_1_2_4_multi_iovs_test(void)
{
struct iovec iovs[4];
int i, num_blocks;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], (512 + 8) * (i + 1));
num_blocks += i + 1;
}
dif_generate_and_verify(iovs, 4, 512 + 8, 8, num_blocks, false, SPDK_DIF_TYPE1,
0, 22, 0xFFFF, 0x22);
dif_generate_and_verify(iovs, 4, 512 + 8, 8, num_blocks, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_GUARD_CHECK, 22, 0xFFFF, 0x22);
dif_generate_and_verify(iovs, 4, 512 + 8, 8, num_blocks, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_APPTAG_CHECK, 22, 0xFFFF, 0x22);
dif_generate_and_verify(iovs, 4, 512 + 8, 8, num_blocks, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_REFTAG_CHECK, 22, 0xFFFF, 0x22);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
}
static void
dif_sec_4096_md_128_prchk_7_multi_iovs_test(void)
{
struct iovec iovs[4];
int i, num_blocks;
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], (4096 + 128) * (i + 1));
num_blocks += i + 1;
}
dif_generate_and_verify(iovs, 4, 4096 + 128, 128, num_blocks, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
dif_generate_and_verify(iovs, 4, 4096 + 128, 128, num_blocks, true, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
}
static void
dif_sec_512_md_8_prchk_7_multi_iovs_split_data_and_md_test(void)
{
struct iovec iovs[2];
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iovs[0], 512);
_iov_alloc_buf(&iovs[1], 8);
dif_generate_and_verify(iovs, 2, 512 + 8, 8, 1, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_512_md_8_prchk_7_multi_iovs_split_data_test(void)
{
struct iovec iovs[2];
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iovs[0], 256);
_iov_alloc_buf(&iovs[1], 264);
dif_generate_and_verify(iovs, 2, 512 + 8, 8, 1, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_512_md_8_prchk_7_multi_iovs_split_guard_test(void)
{
struct iovec iovs[2];
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iovs[0], 513);
_iov_alloc_buf(&iovs[1], 7);
dif_generate_and_verify(iovs, 2, 512 + 8, 8, 1, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_512_md_8_prchk_7_multi_iovs_split_apptag_test(void)
{
struct iovec iovs[2];
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iovs[0], 515);
_iov_alloc_buf(&iovs[1], 5);
dif_generate_and_verify(iovs, 2, 512 + 8, 8, 1, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_512_md_8_prchk_7_multi_iovs_split_reftag_test(void)
{
struct iovec iovs[2];
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iovs[0], 518);
_iov_alloc_buf(&iovs[1], 2);
dif_generate_and_verify(iovs, 2, 512 + 8, 8, 1, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_512_md_8_prchk_7_multi_iovs_complex_splits_test(void)
{
struct iovec iovs[9];
uint32_t dif_flags;
int i;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
/* data[0][255:0] */
_iov_alloc_buf(&iovs[0], 256);
/* data[0][511:256], guard[0][0] */
_iov_alloc_buf(&iovs[1], 256 + 1);
/* guard[0][1], apptag[0][0] */
_iov_alloc_buf(&iovs[2], 1 + 1);
/* apptag[0][1], reftag[0][0] */
_iov_alloc_buf(&iovs[3], 1 + 1);
/* reftag[0][3:1], data[1][255:0] */
_iov_alloc_buf(&iovs[4], 3 + 256);
/* data[1][511:256], guard[1][0] */
_iov_alloc_buf(&iovs[5], 256 + 1);
/* guard[1][1], apptag[1][0] */
_iov_alloc_buf(&iovs[6], 1 + 1);
/* apptag[1][1], reftag[1][0] */
_iov_alloc_buf(&iovs[7], 1 + 1);
/* reftag[1][3:1] */
_iov_alloc_buf(&iovs[8], 3);
dif_generate_and_verify(iovs, 9, 512 + 8, 8, 2, false, SPDK_DIF_TYPE1, dif_flags,
22, 0xFFFF, 0x22);
for (i = 0; i < 9; i++) {
_iov_free_buf(&iovs[i]);
}
}
static void
dif_sec_4096_md_128_prchk_7_multi_iovs_complex_splits_test(void)
{
struct iovec iovs[11];
uint32_t dif_flags;
int i;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
/* data[0][1000:0] */
_iov_alloc_buf(&iovs[0], 1000);
/* data[0][3095:1000], guard[0][0] */
_iov_alloc_buf(&iovs[1], 3096 + 1);
/* guard[0][1], apptag[0][0] */
_iov_alloc_buf(&iovs[2], 1 + 1);
/* apptag[0][1], reftag[0][0] */
_iov_alloc_buf(&iovs[3], 1 + 1);
/* reftag[0][3:1], ignore[0][59:0] */
_iov_alloc_buf(&iovs[4], 3 + 60);
/* ignore[119:60], data[1][3050:0] */
_iov_alloc_buf(&iovs[5], 60 + 3051);
/* data[1][4095:3050], guard[1][0] */
_iov_alloc_buf(&iovs[6], 1045 + 1);
/* guard[1][1], apptag[1][0] */
_iov_alloc_buf(&iovs[7], 1 + 1);
/* apptag[1][1], reftag[1][0] */
_iov_alloc_buf(&iovs[8], 1 + 1);
/* reftag[1][3:1], ignore[1][9:0] */
_iov_alloc_buf(&iovs[9], 3 + 10);
/* ignore[1][127:9] */
_iov_alloc_buf(&iovs[10], 118);
dif_generate_and_verify(iovs, 11, 4096 + 128, 128, 2, false, SPDK_DIF_TYPE1, dif_flags,
22, 0xFFFF, 0x22);
dif_generate_and_verify(iovs, 11, 4096 + 128, 128, 2, true, SPDK_DIF_TYPE1, dif_flags,
22, 0xFFFF, 0x22);
for (i = 0; i < 11; i++) {
_iov_free_buf(&iovs[i]);
}
}
static void
_dif_inject_error_and_verify(struct iovec *iovs, int iovcnt,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
uint32_t inject_flags, bool dif_loc)
{
struct spdk_dif_ctx ctx = {};
struct spdk_dif_error err_blk = {};
uint32_t inject_offset = 0, dif_flags;
int rc;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
rc = ut_data_pattern_generate(iovs, iovcnt, block_size, md_size, num_blocks);
CU_ASSERT(rc == 0);
rc = spdk_dif_ctx_init(&ctx, block_size, md_size, true, dif_loc,
SPDK_DIF_TYPE1, dif_flags, 88, 0xFFFF, 0x88, GUARD_SEED);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate(iovs, iovcnt, num_blocks, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_inject_error(iovs, iovcnt, num_blocks, &ctx, inject_flags, &inject_offset);
CU_ASSERT(rc == 0);
rc = spdk_dif_verify(iovs, iovcnt, num_blocks, &ctx, &err_blk);
CU_ASSERT(rc != 0);
if (inject_flags == SPDK_DIF_DATA_ERROR) {
CU_ASSERT(SPDK_DIF_GUARD_ERROR == err_blk.err_type);
} else {
CU_ASSERT(inject_flags == err_blk.err_type);
}
CU_ASSERT(inject_offset == err_blk.err_offset);
rc = ut_data_pattern_verify(iovs, iovcnt, block_size, md_size, num_blocks);
CU_ASSERT((rc == 0 && (inject_flags != SPDK_DIF_DATA_ERROR)) ||
(rc != 0 && (inject_flags == SPDK_DIF_DATA_ERROR)));
}
static void
dif_inject_error_and_verify(struct iovec *iovs, int iovcnt,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
uint32_t inject_flags)
{
/* The case that DIF is contained in the first 8 bytes of metadata. */
_dif_inject_error_and_verify(iovs, iovcnt, block_size, md_size, num_blocks,
inject_flags, true);
/* The case that DIF is contained in the last 8 bytes of metadata. */
_dif_inject_error_and_verify(iovs, iovcnt, block_size, md_size, num_blocks,
inject_flags, false);
}
static void
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test(void)
{
struct iovec iovs[4];
int i, num_blocks;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], (4096 + 128) * (i + 1));
num_blocks += i + 1;
}
dif_inject_error_and_verify(iovs, 4, 4096 + 128, 128, num_blocks, SPDK_DIF_GUARD_ERROR);
dif_inject_error_and_verify(iovs, 4, 4096 + 128, 128, num_blocks, SPDK_DIF_APPTAG_ERROR);
dif_inject_error_and_verify(iovs, 4, 4096 + 128, 128, num_blocks, SPDK_DIF_REFTAG_ERROR);
dif_inject_error_and_verify(iovs, 4, 4096 + 128, 128, num_blocks, SPDK_DIF_DATA_ERROR);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
}
static void
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_data_and_md_test(void)
{
struct iovec iovs[2];
_iov_alloc_buf(&iovs[0], 4096);
_iov_alloc_buf(&iovs[1], 128);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_GUARD_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_APPTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_REFTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_DATA_ERROR);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_data_test(void)
{
struct iovec iovs[2];
_iov_alloc_buf(&iovs[0], 2048);
_iov_alloc_buf(&iovs[1], 2048 + 128);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_GUARD_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_APPTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_REFTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_DATA_ERROR);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_guard_test(void)
{
struct iovec iovs[2];
_iov_alloc_buf(&iovs[0], 4096 + 1);
_iov_alloc_buf(&iovs[1], 127);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_GUARD_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_APPTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_REFTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_DATA_ERROR);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_apptag_test(void)
{
struct iovec iovs[2];
_iov_alloc_buf(&iovs[0], 4096 + 3);
_iov_alloc_buf(&iovs[1], 125);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_GUARD_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_APPTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_REFTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_DATA_ERROR);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_reftag_test(void)
{
struct iovec iovs[2];
_iov_alloc_buf(&iovs[0], 4096 + 6);
_iov_alloc_buf(&iovs[1], 122);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_GUARD_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_APPTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_REFTAG_ERROR);
dif_inject_error_and_verify(iovs, 2, 4096 + 128, 128, 1, SPDK_DIF_DATA_ERROR);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
}
static void
dif_copy_gen_and_verify(struct iovec *iovs, int iovcnt, struct iovec *bounce_iov,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
bool dif_loc, enum spdk_dif_type dif_type, uint32_t dif_flags,
uint32_t init_ref_tag, uint16_t apptag_mask, uint16_t app_tag)
{
struct spdk_dif_ctx ctx = {};
int rc;
rc = ut_data_pattern_generate(iovs, iovcnt, block_size - md_size, 0, num_blocks);
CU_ASSERT(rc == 0);
rc = spdk_dif_ctx_init(&ctx, block_size, md_size, true, dif_loc, dif_type, dif_flags,
init_ref_tag, apptag_mask, app_tag, GUARD_SEED);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_copy(iovs, iovcnt, bounce_iov, num_blocks, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_verify_copy(iovs, iovcnt, bounce_iov, num_blocks, &ctx, NULL);
CU_ASSERT(rc == 0);
rc = ut_data_pattern_verify(iovs, iovcnt, block_size - md_size, 0, num_blocks);
CU_ASSERT(rc == 0);
}
static void
dif_copy_sec_512_md_8_prchk_0_single_iov(void)
{
struct iovec iov, bounce_iov;
_iov_alloc_buf(&iov, 512 * 4);
_iov_alloc_buf(&bounce_iov, (512 + 8) * 4);
dif_copy_gen_and_verify(&iov, 1, &bounce_iov, 512 + 8, 8, 4,
false, SPDK_DIF_TYPE1, 0, 0, 0, 0);
dif_copy_gen_and_verify(&iov, 1, &bounce_iov, 512 + 8, 8, 4,
true, SPDK_DIF_TYPE1, 0, 0, 0, 0);
_iov_free_buf(&iov);
_iov_free_buf(&bounce_iov);
}
static void
dif_copy_sec_512_md_8_prchk_0_1_2_4_multi_iovs(void)
{
struct iovec iovs[4], bounce_iov;
int i, num_blocks;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], 512 * (i + 1));
num_blocks += i + 1;
}
_iov_alloc_buf(&bounce_iov, (512 + 8) * num_blocks);
dif_copy_gen_and_verify(iovs, 4, &bounce_iov, 512 + 8, 8, num_blocks,
false, SPDK_DIF_TYPE1, 0, 22, 0xFFFF, 0x22);
dif_copy_gen_and_verify(iovs, 4, &bounce_iov, 512 + 8, 8, num_blocks,
false, SPDK_DIF_TYPE1, SPDK_DIF_FLAGS_GUARD_CHECK, 22, 0xFFFF, 0x22);
dif_copy_gen_and_verify(iovs, 4, &bounce_iov, 512 + 8, 8, num_blocks,
false, SPDK_DIF_TYPE1, SPDK_DIF_FLAGS_APPTAG_CHECK, 22, 0xFFFF, 0x22);
dif_copy_gen_and_verify(iovs, 4, &bounce_iov, 512 + 8, 8, num_blocks,
false, SPDK_DIF_TYPE1, SPDK_DIF_FLAGS_REFTAG_CHECK, 22, 0xFFFF, 0x22);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&bounce_iov);
}
static void
dif_copy_sec_4096_md_128_prchk_7_multi_iovs(void)
{
struct iovec iovs[4], bounce_iov;
uint32_t dif_flags;
int i, num_blocks;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], 4096 * (i + 1));
num_blocks += i + 1;
}
_iov_alloc_buf(&bounce_iov, (4096 + 128) * num_blocks);
dif_copy_gen_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128, num_blocks,
false, SPDK_DIF_TYPE1, dif_flags, 22, 0xFFFF, 0x22);
dif_copy_gen_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128, num_blocks,
true, SPDK_DIF_TYPE1, dif_flags, 22, 0xFFFF, 0x22);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&bounce_iov);
}
static void
dif_copy_sec_512_md_8_prchk_7_multi_iovs_split_data(void)
{
struct iovec iovs[2], bounce_iov;
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iovs[0], 256);
_iov_alloc_buf(&iovs[1], 256);
_iov_alloc_buf(&bounce_iov, 512 + 8);
dif_copy_gen_and_verify(iovs, 2, &bounce_iov, 512 + 8, 8, 1,
false, SPDK_DIF_TYPE1, dif_flags, 22, 0xFFFF, 0x22);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
_iov_free_buf(&bounce_iov);
}
static void
dif_copy_sec_512_md_8_prchk_7_multi_iovs_complex_splits(void)
{
struct iovec iovs[6], bounce_iov;
uint32_t dif_flags;
int i;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
/* data[0][255:0] */
_iov_alloc_buf(&iovs[0], 256);
/* data[0][511:256], data[1][255:0] */
_iov_alloc_buf(&iovs[1], 256 + 256);
/* data[1][382:256] */
_iov_alloc_buf(&iovs[2], 128);
/* data[1][383] */
_iov_alloc_buf(&iovs[3], 1);
/* data[1][510:384] */
_iov_alloc_buf(&iovs[4], 126);
/* data[1][511], data[2][511:0], data[3][511:0] */
_iov_alloc_buf(&iovs[5], 1 + 512 * 2);
_iov_alloc_buf(&bounce_iov, (512 + 8) * 4);
dif_copy_gen_and_verify(iovs, 6, &bounce_iov, 512 + 8, 8, 4,
true, SPDK_DIF_TYPE1, dif_flags, 22, 0xFFFF, 0x22);
for (i = 0; i < 6; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&bounce_iov);
}
static void
_dif_copy_inject_error_and_verify(struct iovec *iovs, int iovcnt, struct iovec *bounce_iov,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
uint32_t inject_flags, bool dif_loc)
{
struct spdk_dif_ctx ctx = {};
struct spdk_dif_error err_blk = {};
uint32_t inject_offset = 0, dif_flags;
int rc;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
rc = ut_data_pattern_generate(iovs, iovcnt, block_size - md_size, 0, num_blocks);
CU_ASSERT(rc == 0);
rc = spdk_dif_ctx_init(&ctx, block_size, md_size, true, dif_loc, SPDK_DIF_TYPE1, dif_flags,
88, 0xFFFF, 0x88, GUARD_SEED);
SPDK_CU_ASSERT_FATAL(rc == 0);
rc = spdk_dif_generate_copy(iovs, iovcnt, bounce_iov, num_blocks, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_inject_error(bounce_iov, 1, num_blocks, &ctx, inject_flags, &inject_offset);
CU_ASSERT(rc == 0);
rc = spdk_dif_verify_copy(iovs, iovcnt, bounce_iov, num_blocks, &ctx, &err_blk);
CU_ASSERT(rc != 0);
if (inject_flags == SPDK_DIF_DATA_ERROR) {
CU_ASSERT(SPDK_DIF_GUARD_ERROR == err_blk.err_type);
} else {
CU_ASSERT(inject_flags == err_blk.err_type);
}
CU_ASSERT(inject_offset == err_blk.err_offset);
}
static void
dif_copy_inject_error_and_verify(struct iovec *iovs, int iovcnt, struct iovec *bounce_iov,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
uint32_t inject_flags)
{
/* The case that DIF is contained in the first 8 bytes of metadata. */
_dif_copy_inject_error_and_verify(iovs, iovcnt, bounce_iov,
block_size, md_size, num_blocks,
inject_flags, true);
/* The case that DIF is contained in the last 8 bytes of metadata. */
_dif_copy_inject_error_and_verify(iovs, iovcnt, bounce_iov,
block_size, md_size, num_blocks,
inject_flags, false);
}
static void
dif_copy_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test(void)
{
struct iovec iovs[4], bounce_iov;
int i, num_blocks;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], 4096 * (i + 1));
num_blocks += i + 1;
}
_iov_alloc_buf(&bounce_iov, (4096 + 128) * num_blocks);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
num_blocks, SPDK_DIF_GUARD_ERROR);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
num_blocks, SPDK_DIF_APPTAG_ERROR);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
num_blocks, SPDK_DIF_REFTAG_ERROR);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
num_blocks, SPDK_DIF_DATA_ERROR);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&bounce_iov);
}
static void
dif_copy_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_test(void)
{
struct iovec iovs[4], bounce_iov;
int i;
_iov_alloc_buf(&iovs[0], 2048);
_iov_alloc_buf(&iovs[1], 2048);
_iov_alloc_buf(&iovs[2], 1);
_iov_alloc_buf(&iovs[3], 4095);
_iov_alloc_buf(&bounce_iov, (4096 + 128) * 2);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
2, SPDK_DIF_GUARD_ERROR);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
2, SPDK_DIF_APPTAG_ERROR);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
2, SPDK_DIF_REFTAG_ERROR);
dif_copy_inject_error_and_verify(iovs, 4, &bounce_iov, 4096 + 128, 128,
2, SPDK_DIF_DATA_ERROR);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&bounce_iov);
}
static void
dix_sec_512_md_0_error(void)
{
struct spdk_dif_ctx ctx;
int rc;
rc = spdk_dif_ctx_init(&ctx, 512, 0, false, false, SPDK_DIF_TYPE1, 0, 0, 0, 0, 0);
CU_ASSERT(rc != 0);
}
static void
dix_generate_and_verify(struct iovec *iovs, int iovcnt, struct iovec *md_iov,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
bool dif_loc, enum spdk_dif_type dif_type, uint32_t dif_flags,
uint32_t init_ref_tag, uint16_t apptag_mask, uint16_t app_tag)
{
struct spdk_dif_ctx ctx;
int rc;
rc = ut_data_pattern_generate(iovs, iovcnt, block_size, 0, num_blocks);
CU_ASSERT(rc == 0);
rc = spdk_dif_ctx_init(&ctx, block_size, md_size, false, dif_loc, dif_type, dif_flags,
init_ref_tag, apptag_mask, app_tag, GUARD_SEED);
CU_ASSERT(rc == 0);
rc = spdk_dix_generate(iovs, iovcnt, md_iov, num_blocks, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dix_verify(iovs, iovcnt, md_iov, num_blocks, &ctx, NULL);
CU_ASSERT(rc == 0);
rc = ut_data_pattern_verify(iovs, iovcnt, block_size, 0, num_blocks);
CU_ASSERT(rc == 0);
}
static void
dix_sec_512_md_8_prchk_0_single_iov(void)
{
struct iovec iov, md_iov;
_iov_alloc_buf(&iov, 512 * 4);
_iov_alloc_buf(&md_iov, 8 * 4);
dix_generate_and_verify(&iov, 1, &md_iov, 512, 8, 4, false, SPDK_DIF_TYPE1, 0, 0, 0, 0);
dix_generate_and_verify(&iov, 1, &md_iov, 512, 8, 4, true, SPDK_DIF_TYPE1, 0, 0, 0, 0);
_iov_free_buf(&iov);
_iov_free_buf(&md_iov);
}
static void
dix_sec_512_md_8_prchk_0_1_2_4_multi_iovs(void)
{
struct iovec iovs[4], md_iov;
int i, num_blocks;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], 512 * (i + 1));
num_blocks += i + 1;
}
_iov_alloc_buf(&md_iov, 8 * num_blocks);
dix_generate_and_verify(iovs, 4, &md_iov, 512, 8, num_blocks, false, SPDK_DIF_TYPE1,
0, 22, 0xFFFF, 0x22);
dix_generate_and_verify(iovs, 4, &md_iov, 512, 8, num_blocks, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_GUARD_CHECK, 22, 0xFFFF, 0x22);
dix_generate_and_verify(iovs, 4, &md_iov, 512, 8, num_blocks, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_APPTAG_CHECK, 22, 0xFFFF, 0x22);
dix_generate_and_verify(iovs, 4, &md_iov, 512, 8, num_blocks, false, SPDK_DIF_TYPE1,
SPDK_DIF_FLAGS_REFTAG_CHECK, 22, 0xFFFF, 0x22);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&md_iov);
}
static void
dix_sec_4096_md_128_prchk_7_multi_iovs(void)
{
struct iovec iovs[4], md_iov;
uint32_t dif_flags;
int i, num_blocks;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], 4096 * (i + 1));
num_blocks += i + 1;
}
_iov_alloc_buf(&md_iov, 128 * num_blocks);
dix_generate_and_verify(iovs, 4, &md_iov, 4096, 128, num_blocks, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
dix_generate_and_verify(iovs, 4, &md_iov, 4096, 128, num_blocks, true, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&md_iov);
}
static void
dix_sec_512_md_8_prchk_7_multi_iovs_split_data(void)
{
struct iovec iovs[2], md_iov;
uint32_t dif_flags;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
_iov_alloc_buf(&iovs[0], 256);
_iov_alloc_buf(&iovs[1], 256);
_iov_alloc_buf(&md_iov, 8);
dix_generate_and_verify(iovs, 2, &md_iov, 512, 8, 1, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
_iov_free_buf(&iovs[0]);
_iov_free_buf(&iovs[1]);
_iov_free_buf(&md_iov);
}
static void
dix_sec_512_md_8_prchk_7_multi_iovs_complex_splits(void)
{
struct iovec iovs[6], md_iov;
uint32_t dif_flags;
int i;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
/* data[0][255:0] */
_iov_alloc_buf(&iovs[0], 256);
/* data[0][511:256], data[1][255:0] */
_iov_alloc_buf(&iovs[1], 256 + 256);
/* data[1][382:256] */
_iov_alloc_buf(&iovs[2], 128);
/* data[1][383] */
_iov_alloc_buf(&iovs[3], 1);
/* data[1][510:384] */
_iov_alloc_buf(&iovs[4], 126);
/* data[1][511], data[2][511:0], data[3][511:0] */
_iov_alloc_buf(&iovs[5], 1 + 512 * 2);
_iov_alloc_buf(&md_iov, 8 * 4);
dix_generate_and_verify(iovs, 6, &md_iov, 512, 8, 4, false, SPDK_DIF_TYPE1,
dif_flags, 22, 0xFFFF, 0x22);
for (i = 0; i < 6; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&md_iov);
}
static void
_dix_inject_error_and_verify(struct iovec *iovs, int iovcnt, struct iovec *md_iov,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
uint32_t inject_flags, bool dif_loc)
{
struct spdk_dif_ctx ctx = {};
struct spdk_dif_error err_blk = {};
uint32_t inject_offset = 0, dif_flags;
int rc;
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
rc = ut_data_pattern_generate(iovs, iovcnt, block_size, 0, num_blocks);
CU_ASSERT(rc == 0);
rc = spdk_dif_ctx_init(&ctx, block_size, md_size, false, dif_loc, SPDK_DIF_TYPE1, dif_flags,
88, 0xFFFF, 0x88, GUARD_SEED);
CU_ASSERT(rc == 0);
rc = spdk_dix_generate(iovs, iovcnt, md_iov, num_blocks, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dix_inject_error(iovs, iovcnt, md_iov, num_blocks, &ctx, inject_flags, &inject_offset);
CU_ASSERT(rc == 0);
rc = spdk_dix_verify(iovs, iovcnt, md_iov, num_blocks, &ctx, &err_blk);
CU_ASSERT(rc != 0);
if (inject_flags == SPDK_DIF_DATA_ERROR) {
CU_ASSERT(SPDK_DIF_GUARD_ERROR == err_blk.err_type);
} else {
CU_ASSERT(inject_flags == err_blk.err_type);
}
CU_ASSERT(inject_offset == err_blk.err_offset);
}
static void
dix_inject_error_and_verify(struct iovec *iovs, int iovcnt, struct iovec *md_iov,
uint32_t block_size, uint32_t md_size, uint32_t num_blocks,
uint32_t inject_flags)
{
/* The case that DIF is contained in the first 8 bytes of metadata. */
_dix_inject_error_and_verify(iovs, iovcnt, md_iov, block_size, md_size, num_blocks,
inject_flags, true);
/* The case that DIF is contained in the last 8 bytes of metadata. */
_dix_inject_error_and_verify(iovs, iovcnt, md_iov, block_size, md_size, num_blocks,
inject_flags, false);
}
static void
dix_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test(void)
{
struct iovec iovs[4], md_iov;
int i, num_blocks;
num_blocks = 0;
for (i = 0; i < 4; i++) {
_iov_alloc_buf(&iovs[i], 4096 * (i + 1));
num_blocks += i + 1;
}
_iov_alloc_buf(&md_iov, 128 * num_blocks);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, num_blocks, SPDK_DIF_GUARD_ERROR);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, num_blocks, SPDK_DIF_APPTAG_ERROR);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, num_blocks, SPDK_DIF_REFTAG_ERROR);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, num_blocks, SPDK_DIF_DATA_ERROR);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&md_iov);
}
static void
dix_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_test(void)
{
struct iovec iovs[4], md_iov;
int i;
_iov_alloc_buf(&iovs[0], 2048);
_iov_alloc_buf(&iovs[1], 2048);
_iov_alloc_buf(&iovs[2], 1);
_iov_alloc_buf(&iovs[3], 4095);
_iov_alloc_buf(&md_iov, 128 * 2);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, 2, SPDK_DIF_GUARD_ERROR);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, 2, SPDK_DIF_APPTAG_ERROR);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, 2, SPDK_DIF_REFTAG_ERROR);
dix_inject_error_and_verify(iovs, 4, &md_iov, 4096, 128, 2, SPDK_DIF_DATA_ERROR);
for (i = 0; i < 4; i++) {
_iov_free_buf(&iovs[i]);
}
_iov_free_buf(&md_iov);
}
static int
ut_readv(uint32_t read_base, uint32_t read_len, struct iovec *iovs, int iovcnt)
{
int i;
uint32_t j, offset;
uint8_t *buf;
offset = 0;
for (i = 0; i < iovcnt; i++) {
buf = iovs[i].iov_base;
for (j = 0; j < iovs[i].iov_len; j++, offset++) {
if (offset >= read_len) {
return offset;
}
buf[j] = DATA_PATTERN(read_base + offset);
}
}
return offset;
}
static void
set_md_interleave_iovs_test(void)
{
struct spdk_dif_ctx ctx = {};
struct spdk_dif_error err_blk = {};
struct iovec iov1, iov2, dif_iovs[4];
uint32_t dif_check_flags, mapped_len = 0, read_base = 0;
uint8_t *buf1, *buf2;
int rc;
dif_check_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
rc = spdk_dif_ctx_init(&ctx, 4096 + 128, 128, true, false, SPDK_DIF_TYPE1,
dif_check_flags, 22, 0xFFFF, 0x22, GUARD_SEED);
CU_ASSERT(rc == 0);
/* The first data buffer:
* - Create iovec array to Leave a space for metadata for each block
* - Split vectored read and so creating iovec array is done before every vectored read.
*/
buf1 = calloc(1, (4096 + 128) * 4);
SPDK_CU_ASSERT_FATAL(buf1 != NULL);
_iov_set_buf(&iov1, buf1, (4096 + 128) * 4);
rc = spdk_dif_set_md_interleave_iovs(dif_iovs, 4, buf1, (4096 + 128) * 4,
0, 4096 * 4, &mapped_len, &ctx);
CU_ASSERT(rc == 4);
CU_ASSERT(mapped_len == 4096 * 4);
CU_ASSERT(_iov_check(&dif_iovs[0], buf1, 4096) == true);
CU_ASSERT(_iov_check(&dif_iovs[1], buf1 + 4096 + 128, 4096) == true);
CU_ASSERT(_iov_check(&dif_iovs[2], buf1 + (4096 + 128) * 2, 4096) == true);
CU_ASSERT(_iov_check(&dif_iovs[3], buf1 + (4096 + 128) * 3, 4096) == true);
read_base = ut_readv(0, 1024, dif_iovs, 4);
CU_ASSERT(read_base == 1024);
rc = spdk_dif_generate_stream(buf1, (4096 + 128) * 4, 0, 1024, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_set_md_interleave_iovs(dif_iovs, 4, buf1, (4096 + 128) * 4,
read_base, 4096 * 4, &mapped_len, &ctx);
CU_ASSERT(rc == 4);
CU_ASSERT(mapped_len == 3072 + 4096 * 3);
CU_ASSERT(_iov_check(&dif_iovs[0], buf1 + 1024, 3072) == true);
CU_ASSERT(_iov_check(&dif_iovs[1], buf1 + 4096 + 128, 4096) == true);
CU_ASSERT(_iov_check(&dif_iovs[2], buf1 + (4096 + 128) * 2, 4096) == true);
CU_ASSERT(_iov_check(&dif_iovs[3], buf1 + (4096 + 128) * 3, 4096) == true);
read_base += ut_readv(read_base, 3071, dif_iovs, 4);
CU_ASSERT(read_base == 4095);
rc = spdk_dif_generate_stream(buf1, (4096 + 128) * 4, 1024, 3071, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_set_md_interleave_iovs(dif_iovs, 4, buf1, (4096 + 128) * 4,
read_base, 4096 * 4, &mapped_len, &ctx);
CU_ASSERT(rc == 4);
CU_ASSERT(mapped_len == 1 + 4096 * 3);
CU_ASSERT(_iov_check(&dif_iovs[0], buf1 + 4095, 1) == true);
CU_ASSERT(_iov_check(&dif_iovs[1], buf1 + 4096 + 128, 4096) == true);
CU_ASSERT(_iov_check(&dif_iovs[2], buf1 + (4096 + 128) * 2, 4096) == true);
CU_ASSERT(_iov_check(&dif_iovs[3], buf1 + (4096 + 128) * 3, 4096) == true);
read_base += ut_readv(read_base, 1 + 4096 * 2 + 512, dif_iovs, 4);
CU_ASSERT(read_base == 4096 * 3 + 512);
rc = spdk_dif_generate_stream(buf1, (4096 + 128) * 4, 4095, 1 + 4096 * 2 + 512, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_set_md_interleave_iovs(dif_iovs, 4, buf1, (4096 + 128) * 4,
read_base, 4096 * 4, &mapped_len, &ctx);
CU_ASSERT(rc == 1);
CU_ASSERT(mapped_len == 3584);
CU_ASSERT(_iov_check(&dif_iovs[0], buf1 + (4096 + 128) * 3 + 512, 3584) == true);
read_base += ut_readv(read_base, 3584, dif_iovs, 1);
CU_ASSERT(read_base == 4096 * 4);
rc = spdk_dif_generate_stream(buf1, (4096 + 128) * 4, 4096 * 3 + 512, 3584, &ctx);
CU_ASSERT(rc == 0);
/* The second data buffer:
* - Set data pattern with a space for metadata for each block.
*/
buf2 = calloc(1, (4096 + 128) * 4);
SPDK_CU_ASSERT_FATAL(buf2 != NULL);
_iov_set_buf(&iov2, buf2, (4096 + 128) * 4);
rc = ut_data_pattern_generate(&iov2, 1, 4096 + 128, 128, 4);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate(&iov2, 1, 4, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_verify(&iov1, 1, 4, &ctx, &err_blk);
CU_ASSERT(rc == 0);
rc = spdk_dif_verify(&iov2, 1, 4, &ctx, &err_blk);
CU_ASSERT(rc == 0);
/* Compare the first and the second data buffer by byte. */
rc = memcmp(buf1, buf2, (4096 + 128) * 4);
CU_ASSERT(rc == 0);
free(buf1);
free(buf2);
}
static void
dif_generate_stream_test(void)
{
struct iovec iov;
struct spdk_dif_ctx ctx;
struct spdk_dif_error err_blk;
uint32_t dif_flags;
int rc;
_iov_alloc_buf(&iov, (512 + 8) * 5);
rc = ut_data_pattern_generate(&iov, 1, 512, 8, 5);
CU_ASSERT(rc == 0);
dif_flags = SPDK_DIF_FLAGS_GUARD_CHECK | SPDK_DIF_FLAGS_APPTAG_CHECK |
SPDK_DIF_FLAGS_REFTAG_CHECK;
rc = spdk_dif_ctx_init(&ctx, 512, 8, true, false, SPDK_DIF_TYPE1, dif_flags,
22, 0xFFFF, 0x22, GUARD_SEED);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_stream(iov.iov_base, (512 + 8) * 5, 0, 511, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_stream(iov.iov_base, (512 + 8) * 5, 511, 1, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_stream(iov.iov_base, (512 + 8) * 5, 512, 256, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_stream(iov.iov_base, (512 + 8) * 5, 768, 512, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_stream(iov.iov_base, (512 + 8) * 5, 1280, 1024, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_stream(iov.iov_base, (512 + 8) * 5, 2304, 256, &ctx);
CU_ASSERT(rc == 0);
rc = spdk_dif_generate_stream(iov.iov_base, (512 + 8) * 5, 2560, 512, &ctx);
CU_ASSERT(rc == -ERANGE);
rc = spdk_dif_verify(&iov, 1, 5, &ctx, &err_blk);
CU_ASSERT(rc == 0);
rc = ut_data_pattern_verify(&iov, 1, 512, 8, 5);
CU_ASSERT(rc == 0);
_iov_free_buf(&iov);
}
int
main(int argc, char **argv)
{
CU_pSuite suite = NULL;
unsigned int num_failures;
if (CU_initialize_registry() != CUE_SUCCESS) {
return CU_get_error();
}
suite = CU_add_suite("dif", NULL, NULL);
if (suite == NULL) {
CU_cleanup_registry();
return CU_get_error();
}
if (
CU_add_test(suite, "dif_generate_and_verify_test", dif_generate_and_verify_test) == NULL ||
CU_add_test(suite, "dif_disable_check_test", dif_disable_check_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_0_error_test", dif_sec_512_md_0_error_test) == NULL ||
CU_add_test(suite, "dif_guard_seed_test", dif_guard_seed_test) == NULL ||
CU_add_test(suite, "dif_disable_sec_512_md_8_single_iov_test",
dif_disable_sec_512_md_8_single_iov_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_0_single_iov_test",
dif_sec_512_md_8_prchk_0_single_iov_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_0_1_2_4_multi_iovs_test",
dif_sec_512_md_8_prchk_0_1_2_4_multi_iovs_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_prchk_7_multi_iovs_test",
dif_sec_4096_md_128_prchk_7_multi_iovs_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_7_multi_iovs_split_data_and_md_test",
dif_sec_512_md_8_prchk_7_multi_iovs_split_data_and_md_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_7_multi_iovs_split_data_test",
dif_sec_512_md_8_prchk_7_multi_iovs_split_data_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_7_multi_iovs_split_guard_test",
dif_sec_512_md_8_prchk_7_multi_iovs_split_guard_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_7_multi_iovs_split_apptag_test",
dif_sec_512_md_8_prchk_7_multi_iovs_split_apptag_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_7_multi_iovs_split_reftag_test",
dif_sec_512_md_8_prchk_7_multi_iovs_split_reftag_test) == NULL ||
CU_add_test(suite, "dif_sec_512_md_8_prchk_7_multi_iovs_complex_splits_test",
dif_sec_512_md_8_prchk_7_multi_iovs_complex_splits_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_prchk_7_multi_iovs_complex_splits_test",
dif_sec_4096_md_128_prchk_7_multi_iovs_complex_splits_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test",
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_data_and_md_test",
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_data_and_md_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_data_test",
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_data_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_guard_test",
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_guard_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_inject_1_2_4_8__multi_iovs_split_apptag_test",
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_apptag_test) == NULL ||
CU_add_test(suite, "dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_reftag_test",
dif_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_reftag_test) == NULL ||
CU_add_test(suite, "dif_copy_sec_512_md_8_prchk_0_single_iov",
dif_copy_sec_512_md_8_prchk_0_single_iov) == NULL ||
CU_add_test(suite, "dif_copy_sec_512_md_8_prchk_0_1_2_4_multi_iovs",
dif_copy_sec_512_md_8_prchk_0_1_2_4_multi_iovs) == NULL ||
CU_add_test(suite, "dif_copy_sec_4096_md_128_prchk_7_multi_iovs",
dif_copy_sec_4096_md_128_prchk_7_multi_iovs) == NULL ||
CU_add_test(suite, "dif_copy_sec_512_md_8_prchk_7_multi_iovs_split_data",
dif_copy_sec_512_md_8_prchk_7_multi_iovs_split_data) == NULL ||
CU_add_test(suite, "dif_copy_sec_512_md_8_prchk_7_multi_iovs_complex_splits",
dif_copy_sec_512_md_8_prchk_7_multi_iovs_complex_splits) == NULL ||
CU_add_test(suite, "dif_copy_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test",
dif_copy_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test) == NULL ||
CU_add_test(suite, "dif_copy_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_test",
dif_copy_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_test) == NULL ||
CU_add_test(suite, "dix_sec_512_md_0_error", dix_sec_512_md_0_error) == NULL ||
CU_add_test(suite, "dix_sec_512_md_8_prchk_0_single_iov",
dix_sec_512_md_8_prchk_0_single_iov) == NULL ||
CU_add_test(suite, "dix_sec_512_md_8_prchk_0_1_2_4_multi_iovs",
dix_sec_512_md_8_prchk_0_1_2_4_multi_iovs) == NULL ||
CU_add_test(suite, "dix_sec_4096_md_128_prchk_7_multi_iovs",
dix_sec_4096_md_128_prchk_7_multi_iovs) == NULL ||
CU_add_test(suite, "dix_sec_512_md_8_prchk_7_multi_iovs_split_data",
dix_sec_512_md_8_prchk_7_multi_iovs_split_data) == NULL ||
CU_add_test(suite, "dix_sec_512_md_8_prchk_7_multi_iovs_complex_splits",
dix_sec_512_md_8_prchk_7_multi_iovs_complex_splits) == NULL ||
CU_add_test(suite, "dix_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test",
dix_sec_4096_md_128_inject_1_2_4_8_multi_iovs_test) == NULL ||
CU_add_test(suite, "dix_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_test",
dix_sec_4096_md_128_inject_1_2_4_8_multi_iovs_split_test) == NULL ||
CU_add_test(suite, "set_md_interleave_iovs_test", set_md_interleave_iovs_test) == NULL ||
CU_add_test(suite, "dif_generate_stream_test", dif_generate_stream_test) == NULL
) {
CU_cleanup_registry();
return CU_get_error();
}
CU_basic_set_mode(CU_BRM_VERBOSE);
CU_basic_run_tests();
num_failures = CU_get_number_of_failures();
CU_cleanup_registry();
return num_failures;
}
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