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nvme: Unit test for spdk_nvme_ns_cmd_comparev_with_md

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This is vectored version of test_nvme_ns_cmd_compare_with_md
test.

Signed-off-by: Maciej Szwed <maciej.szwed@intel.com>
Change-Id: I8af3a50ae764908024dc2758bb53b119b86edb2c

Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/478947
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Maciej Szwed 2019-12-20 13:15:36 +01:00 committed by Tomasz Zawadzki
parent 32a961fc5d
commit 393afcb1d6
1 changed files with 221 additions and 0 deletions
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221
test/unit/lib/nvme/nvme_ns_cmd.c/nvme_ns_cmd_ut.c
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@ -746,6 +746,226 @@ test_nvme_ns_cmd_comparev(void)
cleanup_after_test(&qpair);
}
static void
test_nvme_ns_cmd_comparev_with_md(void)
{
struct spdk_nvme_ns ns;
struct spdk_nvme_ctrlr ctrlr;
struct spdk_nvme_qpair qpair;
int rc = 0;
char *buffer = NULL;
char *metadata = NULL;
uint32_t block_size, md_size;
struct nvme_request *child0, *child1;
uint32_t lba_count = 256;
uint32_t sector_size = 512;
uint64_t sge_length = lba_count * sector_size;
block_size = 512;
md_size = 128;
buffer = malloc((block_size + md_size) * 384);
SPDK_CU_ASSERT_FATAL(buffer != NULL);
metadata = malloc(md_size * 384);
SPDK_CU_ASSERT_FATAL(metadata != NULL);
/*
* 512 byte data + 128 byte metadata
* Separate metadata buffer
* Max data transfer size 128 KB
* No stripe size
*
* 256 blocks * 512 bytes per block = single 128 KB I/O (no splitting required)
*/
prepare_for_test(&ns, &ctrlr, &qpair, 512, 128, 128 * 1024, 0, false);
rc = spdk_nvme_ns_cmd_comparev_with_md(&ns, &qpair, 0x1000, 256, NULL, &sge_length, 0,
nvme_request_reset_sgl, nvme_request_next_sge, metadata, 0, 0);
SPDK_CU_ASSERT_FATAL(rc == 0);
SPDK_CU_ASSERT_FATAL(g_request != NULL);
SPDK_CU_ASSERT_FATAL(g_request->num_children == 0);
CU_ASSERT(g_request->payload.md == metadata);
CU_ASSERT(g_request->payload_size == 256 * 512);
nvme_free_request(g_request);
cleanup_after_test(&qpair);
/*
* 512 byte data + 128 byte metadata
* Extended LBA
* Max data transfer size 128 KB
* No stripe size
*
* 256 blocks * (512 + 128) bytes per block = two I/Os:
* child 0: 204 blocks - 204 * (512 + 128) = 127.5 KB
* child 1: 52 blocks
*/
prepare_for_test(&ns, &ctrlr, &qpair, 512, 128, 128 * 1024, 0, true);
rc = spdk_nvme_ns_cmd_comparev_with_md(&ns, &qpair, 0x1000, 256, NULL, &sge_length, 0,
nvme_request_reset_sgl, nvme_request_next_sge, NULL, 0, 0);
SPDK_CU_ASSERT_FATAL(rc == 0);
SPDK_CU_ASSERT_FATAL(g_request != NULL);
SPDK_CU_ASSERT_FATAL(g_request->num_children == 2);
child0 = TAILQ_FIRST(&g_request->children);
SPDK_CU_ASSERT_FATAL(child0 != NULL);
CU_ASSERT(child0->payload.md == NULL);
CU_ASSERT(child0->payload_offset == 0);
CU_ASSERT(child0->payload_size == 204 * (512 + 128));
child1 = TAILQ_NEXT(child0, child_tailq);
SPDK_CU_ASSERT_FATAL(child1 != NULL);
CU_ASSERT(child1->payload.md == NULL);
CU_ASSERT(child1->payload_offset == 204 * (512 + 128));
CU_ASSERT(child1->payload_size == 52 * (512 + 128));
nvme_request_free_children(g_request);
nvme_free_request(g_request);
cleanup_after_test(&qpair);
/*
* 512 byte data + 8 byte metadata
* Extended LBA
* Max data transfer size 128 KB
* No stripe size
* No protection information
*
* 256 blocks * (512 + 8) bytes per block = two I/Os:
* child 0: 252 blocks - 252 * (512 + 8) = 127.96875 KB
* child 1: 4 blocks
*/
prepare_for_test(&ns, &ctrlr, &qpair, 512, 8, 128 * 1024, 0, true);
rc = spdk_nvme_ns_cmd_comparev_with_md(&ns, &qpair, 0x1000, 256, NULL, &sge_length, 0,
nvme_request_reset_sgl, nvme_request_next_sge, NULL, 0, 0);
SPDK_CU_ASSERT_FATAL(rc == 0);
SPDK_CU_ASSERT_FATAL(g_request != NULL);
SPDK_CU_ASSERT_FATAL(g_request->num_children == 2);
child0 = TAILQ_FIRST(&g_request->children);
SPDK_CU_ASSERT_FATAL(child0 != NULL);
CU_ASSERT(child0->payload.md == NULL);
CU_ASSERT(child0->payload_offset == 0);
CU_ASSERT(child0->payload_size == 252 * (512 + 8));
child1 = TAILQ_NEXT(child0, child_tailq);
SPDK_CU_ASSERT_FATAL(child1 != NULL);
CU_ASSERT(child1->payload.md == NULL);
CU_ASSERT(child1->payload_offset == 252 * (512 + 8));
CU_ASSERT(child1->payload_size == 4 * (512 + 8));
nvme_request_free_children(g_request);
nvme_free_request(g_request);
cleanup_after_test(&qpair);
/*
* 512 byte data + 8 byte metadata
* Extended LBA
* Max data transfer size 128 KB
* No stripe size
* Protection information enabled + PRACT
*
* Special case for 8-byte metadata + PI + PRACT: no metadata transferred
* In theory, 256 blocks * 512 bytes per block = one I/O (128 KB)
* However, the splitting code does not account for PRACT when calculating
* max sectors per transfer, so we actually get two I/Os:
* child 0: 252 blocks
* child 1: 4 blocks
*/
prepare_for_test(&ns, &ctrlr, &qpair, 512, 8, 128 * 1024, 0, true);
ns.flags |= SPDK_NVME_NS_DPS_PI_SUPPORTED;
rc = spdk_nvme_ns_cmd_comparev_with_md(&ns, &qpair, 0x1000, 256, NULL, &sge_length,
SPDK_NVME_IO_FLAGS_PRACT, nvme_request_reset_sgl, nvme_request_next_sge, NULL, 0, 0);
SPDK_CU_ASSERT_FATAL(rc == 0);
SPDK_CU_ASSERT_FATAL(g_request != NULL);
SPDK_CU_ASSERT_FATAL(g_request->num_children == 2);
child0 = TAILQ_FIRST(&g_request->children);
SPDK_CU_ASSERT_FATAL(child0 != NULL);
CU_ASSERT(child0->payload_offset == 0);
CU_ASSERT(child0->payload_size == 252 * 512); /* NOTE: does not include metadata! */
child1 = TAILQ_NEXT(child0, child_tailq);
SPDK_CU_ASSERT_FATAL(child1 != NULL);
CU_ASSERT(child1->payload.md == NULL);
CU_ASSERT(child1->payload_offset == 252 * 512);
CU_ASSERT(child1->payload_size == 4 * 512);
nvme_request_free_children(g_request);
nvme_free_request(g_request);
cleanup_after_test(&qpair);
/*
* 512 byte data + 8 byte metadata
* Separate metadata buffer
* Max data transfer size 128 KB
* No stripe size
* Protection information enabled + PRACT
*/
prepare_for_test(&ns, &ctrlr, &qpair, 512, 8, 128 * 1024, 0, false);
ns.flags |= SPDK_NVME_NS_DPS_PI_SUPPORTED;
rc = spdk_nvme_ns_cmd_comparev_with_md(&ns, &qpair, 0x1000, 256, NULL, &sge_length,
SPDK_NVME_IO_FLAGS_PRACT, nvme_request_reset_sgl, nvme_request_next_sge, metadata, 0, 0);
SPDK_CU_ASSERT_FATAL(rc == 0);
SPDK_CU_ASSERT_FATAL(g_request != NULL);
SPDK_CU_ASSERT_FATAL(g_request->num_children == 0);
CU_ASSERT(g_request->payload.md == metadata);
CU_ASSERT(g_request->payload_size == 256 * 512);
nvme_free_request(g_request);
cleanup_after_test(&qpair);
/*
* 512 byte data + 8 byte metadata
* Separate metadata buffer
* Max data transfer size 128 KB
* No stripe size
* Protection information enabled + PRACT
*
* 384 blocks * 512 bytes = two I/Os:
* child 0: 256 blocks
* child 1: 128 blocks
*/
prepare_for_test(&ns, &ctrlr, &qpair, 512, 8, 128 * 1024, 0, false);
ns.flags |= SPDK_NVME_NS_DPS_PI_SUPPORTED;
rc = spdk_nvme_ns_cmd_comparev_with_md(&ns, &qpair, 0x1000, 384, NULL, &sge_length,
SPDK_NVME_IO_FLAGS_PRACT, nvme_request_reset_sgl, nvme_request_next_sge, metadata, 0, 0);
SPDK_CU_ASSERT_FATAL(rc == 0);
SPDK_CU_ASSERT_FATAL(g_request != NULL);
SPDK_CU_ASSERT_FATAL(g_request->num_children == 2);
child0 = TAILQ_FIRST(&g_request->children);
SPDK_CU_ASSERT_FATAL(child0 != NULL);
CU_ASSERT(child0->payload_offset == 0);
CU_ASSERT(child0->payload_size == 256 * 512);
CU_ASSERT(child0->md_offset == 0);
child1 = TAILQ_NEXT(child0, child_tailq);
SPDK_CU_ASSERT_FATAL(child1 != NULL);
CU_ASSERT(child1->payload_offset == 256 * 512);
CU_ASSERT(child1->payload_size == 128 * 512);
CU_ASSERT(child1->md_offset == 256 * 8);
nvme_request_free_children(g_request);
nvme_free_request(g_request);
cleanup_after_test(&qpair);
free(buffer);
free(metadata);
}
static void
test_nvme_ns_cmd_compare_and_write(void)
{
@ -1513,6 +1733,7 @@ int main(int argc, char **argv)
|| CU_add_test(suite, "nvme_ns_cmd_comparev", test_nvme_ns_cmd_comparev) == NULL
|| CU_add_test(suite, "nvme_ns_cmd_compare_and_write", test_nvme_ns_cmd_compare_and_write) == NULL
|| CU_add_test(suite, "nvme_ns_cmd_compare_with_md", test_nvme_ns_cmd_compare_with_md) == NULL
|| CU_add_test(suite, "nvme_ns_cmd_comparev_with_md", test_nvme_ns_cmd_comparev_with_md) == NULL
) {
CU_cleanup_registry();
return CU_get_error();