Commit c9391bff authored by paul luse's avatar paul luse Committed by Ben Walker
Browse files

lib/idxd: add unit test for idxd_group_config() 



Signed-off-by: default avatarpaul luse <paul.e.luse@intel.com>
Change-Id: I90db6b1a3b37fb76548451a2be284de8d96a44f4
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1822


Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarVitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
parent e333c67b

test/unit/lib/idxd/idxd.c/idxd_ut.c

+53 −1
Original line number Diff line number Diff line
@@ -37,7 +37,14 @@ 
#include "common/lib/test_env.c"

#include "idxd/idxd.c"



#define FAKE_REG_SIZE 1024

#define FAKE_REG_SIZE 0x800

#define NUM_GROUPS 4

#define NUM_WQ_PER_GROUP 1

#define NUM_ENGINES_PER_GROUP 1

#define TOTAL_WQS (NUM_GROUPS * NUM_WQ_PER_GROUP)

#define TOTAL_ENGINES (NUM_GROUPS * NUM_ENGINES_PER_GROUP)

#define MAX_TOKENS 0x40

#define GRP_CFG_OFFSET 0x400



int

spdk_pci_enumerate(struct spdk_pci_driver *driver, spdk_pci_enum_cb enum_cb, void *enum_ctx)
@@ -83,6 +90,50 @@ mock_movdir64b(void *dst, const void *src) 
	return;

}



static int

test_idxd_group_config(void)

{

	struct spdk_idxd_device idxd = {};

	uint64_t wqs[NUM_GROUPS] = {};

	uint64_t engines[NUM_GROUPS] = {};

	union idxd_group_flags flags[NUM_GROUPS] = {};

	int rc, i;

	uint64_t base_offset;



	idxd.reg_base = calloc(1, FAKE_REG_SIZE);

	SPDK_CU_ASSERT_FATAL(idxd.reg_base != NULL);



	g_dev_cfg = &g_dev_cfg0;

	idxd.registers.groupcap.num_groups = NUM_GROUPS;

	idxd.registers.enginecap.num_engines = TOTAL_ENGINES;

	idxd.registers.wqcap.num_wqs = TOTAL_WQS;

	idxd.registers.groupcap.total_tokens = MAX_TOKENS;

	idxd.grpcfg_offset = GRP_CFG_OFFSET;



	rc = idxd_group_config(&idxd);

	CU_ASSERT(rc == 0);

	for (i = 0 ; i < idxd.registers.groupcap.num_groups; i++) {

		base_offset = idxd.grpcfg_offset + i * 64;



		wqs[i] = spdk_mmio_read_8((uint64_t *)(idxd.reg_base + base_offset));

		engines[i] = spdk_mmio_read_8((uint64_t *)(idxd.reg_base + base_offset + CFG_ENGINE_OFFSET));

		flags[i].raw = spdk_mmio_read_8((uint64_t *)(idxd.reg_base + base_offset + CFG_FLAG_OFFSET));

	}

	/* wqe and engine arrays are indexed by group id and are bitmaps of assigned elements. */

	CU_ASSERT(wqs[0] == 0x1);

	CU_ASSERT(engines[0] == 0x1);

	CU_ASSERT(wqs[1] == 0x2);

	CU_ASSERT(engines[1] == 0x2);

	CU_ASSERT(flags[0].tokens_allowed == MAX_TOKENS / NUM_GROUPS);

	CU_ASSERT(flags[1].tokens_allowed == MAX_TOKENS / NUM_GROUPS);



	/* groups allocated by code under test. */

	free(idxd.groups);

	free(idxd.reg_base);



	return 0;

}



static int

test_idxd_reset_dev(void)

{
@@ -189,6 +240,7 @@ int main(int argc, char **argv) 
	CU_ADD_TEST(suite, test_spdk_idxd_set_config);

	CU_ADD_TEST(suite, test_idxd_wait_cmd);

	CU_ADD_TEST(suite, test_idxd_reset_dev);

	CU_ADD_TEST(suite, test_idxd_group_config);



	CU_basic_set_mode(CU_BRM_VERBOSE);

	CU_basic_run_tests();