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UT/nvme: add map NVMe command SGL UT

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Change-Id: If730a82832c675cc9b4b8da8a05dd4f1aa8e3ab6
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7316
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: <dongx.yi@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Changpeng Liu 2021-04-12 21:51:24 +08:00 committed by Jim Harris
parent 018f6a8f21
commit 55f0d41fce
1 changed files with 96 additions and 0 deletions
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96
test/unit/lib/nvme/nvme_ctrlr.c/nvme_ctrlr_ut.c
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@ -2300,6 +2300,101 @@ test_nvme_cmd_map_prps(void)
spdk_free(prps); spdk_free(prps);
} }
static void
test_nvme_cmd_map_sgls(void)
{
struct spdk_nvme_cmd cmd = {};
struct iovec iovs[33];
uint64_t phy_addr;
uint32_t len;
void *buf, *sgls;
struct spdk_nvme_sgl_descriptor *sgl;
int i, ret;
size_t mps = 4096;
buf = spdk_zmalloc(132 * 1024, 4096, &phy_addr, 0, 0);
CU_ASSERT(buf != NULL);
sgls = spdk_zmalloc(4096, 4096, &phy_addr, 0, 0);
CU_ASSERT(sgls != NULL);
/* test case 1: 8KiB with 1 data block */
len = 8192;
cmd.dptr.sgl1.unkeyed.type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
cmd.dptr.sgl1.unkeyed.length = len;
cmd.dptr.sgl1.address = (uint64_t)(uintptr_t)buf;
ret = nvme_cmd_map_sgls(NULL, &cmd, iovs, 33, len, mps, gpa_to_vva);
CU_ASSERT(ret == 1);
CU_ASSERT(iovs[0].iov_base == buf);
CU_ASSERT(iovs[0].iov_len == 8192);
/* test case 2: 8KiB with 2 data blocks and 1 last segment */
sgl = (struct spdk_nvme_sgl_descriptor *)sgls;
sgl[0].unkeyed.type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
sgl[0].unkeyed.length = 2048;
sgl[0].address = (uint64_t)(uintptr_t)buf;
sgl[1].unkeyed.type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
sgl[1].unkeyed.length = len - 2048;
sgl[1].address = (uint64_t)(uintptr_t)buf + 16 * 1024;
cmd.dptr.sgl1.unkeyed.type = SPDK_NVME_SGL_TYPE_LAST_SEGMENT;
cmd.dptr.sgl1.unkeyed.length = 2 * sizeof(*sgl);
cmd.dptr.sgl1.address = (uint64_t)(uintptr_t)sgls;
ret = nvme_cmd_map_sgls(NULL, &cmd, iovs, 33, len, mps, gpa_to_vva);
CU_ASSERT(ret == 2);
CU_ASSERT(iovs[0].iov_base == (void *)(uintptr_t)buf);
CU_ASSERT(iovs[0].iov_len == 2048);
CU_ASSERT(iovs[1].iov_base == (void *)((uintptr_t)buf + 16 * 1024));
CU_ASSERT(iovs[1].iov_len == len - 2048);
/* test case 3: 8KiB with 1 segment, 1 last segment and 3 data blocks */
sgl[0].unkeyed.type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
sgl[0].unkeyed.length = 2048;
sgl[0].address = (uint64_t)(uintptr_t)buf;
sgl[1].unkeyed.type = SPDK_NVME_SGL_TYPE_LAST_SEGMENT;
sgl[1].unkeyed.length = 2 * sizeof(*sgl);
sgl[1].address = (uint64_t)(uintptr_t)&sgl[9];
sgl[9].unkeyed.type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
sgl[9].unkeyed.length = 4096;
sgl[9].address = (uint64_t)(uintptr_t)buf + 4 * 1024;
sgl[10].unkeyed.type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
sgl[10].unkeyed.length = 2048;
sgl[10].address = (uint64_t)(uintptr_t)buf + 16 * 1024;
cmd.dptr.sgl1.unkeyed.type = SPDK_NVME_SGL_TYPE_SEGMENT;
cmd.dptr.sgl1.unkeyed.length = 2 * sizeof(*sgl);
cmd.dptr.sgl1.address = (uint64_t)(uintptr_t)&sgl[0];
ret = nvme_cmd_map_sgls(NULL, &cmd, iovs, 33, len, mps, gpa_to_vva);
CU_ASSERT(ret == 3);
CU_ASSERT(iovs[0].iov_base == (void *)(uintptr_t)buf);
CU_ASSERT(iovs[0].iov_len == 2048);
CU_ASSERT(iovs[1].iov_base == (void *)((uintptr_t)buf + 4 * 1024));
CU_ASSERT(iovs[1].iov_len == 4096);
CU_ASSERT(iovs[2].iov_base == (void *)((uintptr_t)buf + 16 * 1024));
CU_ASSERT(iovs[2].iov_len == 2048);
/* test case 4: not enough iovs */
len = 12 * 1024;
for (i = 0; i < 6; i++) {
sgl[0].unkeyed.type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
sgl[0].unkeyed.length = 2048;
sgl[0].address = (uint64_t)(uintptr_t)buf + i * 4096;
}
cmd.dptr.sgl1.unkeyed.type = SPDK_NVME_SGL_TYPE_LAST_SEGMENT;
cmd.dptr.sgl1.unkeyed.length = 6 * sizeof(*sgl);
cmd.dptr.sgl1.address = (uint64_t)(uintptr_t)sgls;
ret = nvme_cmd_map_sgls(NULL, &cmd, iovs, 4, len, mps, gpa_to_vva);
CU_ASSERT(ret == -ERANGE);
spdk_free(buf);
spdk_free(sgls);
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
CU_pSuite suite = NULL; CU_pSuite suite = NULL;
@ -2341,6 +2436,7 @@ int main(int argc, char **argv)
CU_ADD_TEST(suite, test_alloc_io_qpair_fail); CU_ADD_TEST(suite, test_alloc_io_qpair_fail);
CU_ADD_TEST(suite, test_nvme_ctrlr_add_remove_process); CU_ADD_TEST(suite, test_nvme_ctrlr_add_remove_process);
CU_ADD_TEST(suite, test_nvme_cmd_map_prps); CU_ADD_TEST(suite, test_nvme_cmd_map_prps);
CU_ADD_TEST(suite, test_nvme_cmd_map_sgls);
CU_basic_set_mode(CU_BRM_VERBOSE); CU_basic_set_mode(CU_BRM_VERBOSE);
CU_basic_run_tests(); CU_basic_run_tests();