7 #include <kunit/test.h>
8 #include <kunit/test-bug.h>
25 static int relay_test_init(struct kunit *test)  in relay_test_init()  argument
35 	test->priv = &fake;  in relay_test_init()
36 	xe_kunit_helper_xe_device_test_init(test);  in relay_test_init()
38 	xe = test->priv;  in relay_test_init()
39 	KUNIT_ASSERT_EQ(test, xe_sriov_init(xe), 0);  in relay_test_init()
42 	kunit_activate_static_stub(test, relay_get_totalvfs,  in relay_test_init()
45 	KUNIT_ASSERT_EQ(test, xe_guc_relay_init(relay), 0);  in relay_test_init()
46 	KUNIT_EXPECT_TRUE(test, relay_is_ready(relay));  in relay_test_init()
49 	test->priv = relay;  in relay_test_init()
65 	struct kunit *test = kunit_get_current_test();  in replacement_xe_guc_ct_send_recv_always_fails()  local
67 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ct);  in replacement_xe_guc_ct_send_recv_always_fails()
68 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, msg);  in replacement_xe_guc_ct_send_recv_always_fails()
69 	KUNIT_ASSERT_GE(test, len, GUC_HXG_MSG_MIN_LEN);  in replacement_xe_guc_ct_send_recv_always_fails()
78 	struct kunit *test = kunit_get_current_test();  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()  local
80 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ct);  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
81 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, msg);  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
82 	KUNIT_ASSERT_GE(test, len, PF2GUC_RELAY_TO_VF_REQUEST_MSG_MIN_LEN);  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
83 	KUNIT_ASSERT_EQ(test, len, PF2GUC_RELAY_TO_VF_REQUEST_MSG_MIN_LEN + TEST_LEN);  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
84 	KUNIT_EXPECT_EQ(test, GUC_HXG_ORIGIN_HOST, FIELD_GET(GUC_HXG_MSG_0_ORIGIN, msg[0]));  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
85 	KUNIT_EXPECT_EQ(test, GUC_HXG_TYPE_REQUEST, FIELD_GET(GUC_HXG_MSG_0_TYPE, msg[0]));  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
86 	KUNIT_EXPECT_EQ(test, XE_GUC_ACTION_PF2GUC_RELAY_TO_VF,  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
88 	KUNIT_EXPECT_EQ(test, TEST_VFID,  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
90 	KUNIT_EXPECT_EQ(test, TEST_RID,  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
92 	KUNIT_EXPECT_MEMEQ(test, TEST_MSG, msg + PF2GUC_RELAY_TO_VF_REQUEST_MSG_MIN_LEN,  in replacement_xe_guc_ct_send_recv_expects_pf2guc_relay()
120 static void pf_rejects_guc2pf_too_short(struct kunit *test)  in pf_rejects_guc2pf_too_short()  argument
123 	struct xe_guc_relay *relay = test->priv;  in pf_rejects_guc2pf_too_short()
126 	KUNIT_ASSERT_EQ(test, -EPROTO, xe_guc_relay_process_guc2pf(relay, msg, len));  in pf_rejects_guc2pf_too_short()
129 static void pf_rejects_guc2pf_too_long(struct kunit *test)  in pf_rejects_guc2pf_too_long()  argument
132 	struct xe_guc_relay *relay = test->priv;  in pf_rejects_guc2pf_too_long()
135 	KUNIT_ASSERT_EQ(test, -EMSGSIZE, xe_guc_relay_process_guc2pf(relay, msg, len));  in pf_rejects_guc2pf_too_long()
138 static void pf_rejects_guc2pf_no_payload(struct kunit *test)  in pf_rejects_guc2pf_no_payload()  argument
141 	struct xe_guc_relay *relay = test->priv;  in pf_rejects_guc2pf_no_payload()
144 	KUNIT_ASSERT_EQ(test, -EPROTO, xe_guc_relay_process_guc2pf(relay, msg, len));  in pf_rejects_guc2pf_no_payload()
147 static void pf_fails_no_payload(struct kunit *test)  in pf_fails_no_payload()  argument
149 	struct xe_guc_relay *relay = test->priv;  in pf_fails_no_payload()
152 	KUNIT_ASSERT_EQ(test, -EPROTO, relay_process_msg(relay, TEST_VFID, TEST_RID, &msg, 0));  in pf_fails_no_payload()
155 static void pf_fails_bad_origin(struct kunit *test)  in pf_fails_bad_origin()  argument
157 	struct xe_guc_relay *relay = test->priv;  in pf_fails_bad_origin()
164 	KUNIT_ASSERT_EQ(test, -EPROTO, relay_process_msg(relay, TEST_VFID, TEST_RID, msg, len));  in pf_fails_bad_origin()
167 static void pf_fails_bad_type(struct kunit *test)  in pf_fails_bad_type()  argument
169 	struct xe_guc_relay *relay = test->priv;  in pf_fails_bad_type()
176 	KUNIT_ASSERT_EQ(test, -EBADRQC, relay_process_msg(relay, TEST_VFID, TEST_RID, msg, len));  in pf_fails_bad_type()
179 static void pf_txn_reports_error(struct kunit *test)  in pf_txn_reports_error()  argument
181 	struct xe_guc_relay *relay = test->priv;  in pf_txn_reports_error()
186 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, txn);  in pf_txn_reports_error()
188 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_txn_reports_error()
190 	KUNIT_EXPECT_EQ(test, -ECOMM, relay_send_transaction(relay, txn));  in pf_txn_reports_error()
195 static void pf_txn_sends_pf2guc(struct kunit *test)  in pf_txn_sends_pf2guc()  argument
197 	struct xe_guc_relay *relay = test->priv;  in pf_txn_sends_pf2guc()
202 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, txn);  in pf_txn_sends_pf2guc()
204 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_txn_sends_pf2guc()
206 	KUNIT_ASSERT_EQ(test, 0, relay_send_transaction(relay, txn));  in pf_txn_sends_pf2guc()
211 static void pf_sends_pf2guc(struct kunit *test)  in pf_sends_pf2guc()  argument
213 	struct xe_guc_relay *relay = test->priv;  in pf_sends_pf2guc()
215 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_sends_pf2guc()
217 	KUNIT_ASSERT_EQ(test, 0,  in pf_sends_pf2guc()
226 	struct kunit *test = kunit_get_current_test();  in replacement_xe_guc_ct_send_recv_loopback_relay()  local
227 	struct xe_guc_relay *relay = test->priv;  in replacement_xe_guc_ct_send_recv_loopback_relay()
228 	u32 *reply = kunit_kzalloc(test, len * sizeof(u32), GFP_KERNEL);  in replacement_xe_guc_ct_send_recv_loopback_relay()
233 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ct);  in replacement_xe_guc_ct_send_recv_loopback_relay()
234 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, msg);  in replacement_xe_guc_ct_send_recv_loopback_relay()
235 	KUNIT_ASSERT_GE(test, len, GUC_HXG_MSG_MIN_LEN);  in replacement_xe_guc_ct_send_recv_loopback_relay()
236 	KUNIT_ASSERT_EQ(test, GUC_HXG_TYPE_REQUEST,  in replacement_xe_guc_ct_send_recv_loopback_relay()
238 	KUNIT_ASSERT_GE(test, len, GUC_HXG_REQUEST_MSG_MIN_LEN);  in replacement_xe_guc_ct_send_recv_loopback_relay()
239 	KUNIT_ASSERT_NOT_NULL(test, reply);  in replacement_xe_guc_ct_send_recv_loopback_relay()
243 		KUNIT_ASSERT_GE(test, len, PF2GUC_RELAY_TO_VF_REQUEST_MSG_MIN_LEN);  in replacement_xe_guc_ct_send_recv_loopback_relay()
248 		KUNIT_ASSERT_GE(test, len, VF2GUC_RELAY_TO_PF_REQUEST_MSG_MIN_LEN);  in replacement_xe_guc_ct_send_recv_loopback_relay()
253 		KUNIT_FAIL(test, "bad RELAY action %#x", msg[0]);  in replacement_xe_guc_ct_send_recv_loopback_relay()
263 	KUNIT_EXPECT_EQ(test, err, 0);  in replacement_xe_guc_ct_send_recv_loopback_relay()
268 static void test_requires_relay_testloop(struct kunit *test)  in test_requires_relay_testloop()  argument
276 		kunit_skip(test, "requires %s\n", __stringify(CONFIG_DRM_XE_DEBUG_SRIOV));  in test_requires_relay_testloop()
279 static void pf_loopback_nop(struct kunit *test)  in pf_loopback_nop()  argument
281 	struct xe_guc_relay *relay = test->priv;  in pf_loopback_nop()
291 	test_requires_relay_testloop(test);  in pf_loopback_nop()
293 	kunit_activate_static_stub(test, relay_kick_worker, relay_process_incoming_action);  in pf_loopback_nop()
294 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_loopback_nop()
299 	KUNIT_ASSERT_EQ(test, ret, GUC_HXG_RESPONSE_MSG_MIN_LEN);  in pf_loopback_nop()
300 	KUNIT_EXPECT_EQ(test, FIELD_GET(GUC_HXG_MSG_0_ORIGIN, response[0]),  in pf_loopback_nop()
302 	KUNIT_EXPECT_EQ(test, FIELD_GET(GUC_HXG_MSG_0_TYPE, response[0]),  in pf_loopback_nop()
304 	KUNIT_EXPECT_EQ(test, FIELD_GET(GUC_HXG_RESPONSE_MSG_0_DATA0, response[0]), 0);  in pf_loopback_nop()
307 static void pf_loopback_echo(struct kunit *test)  in pf_loopback_echo()  argument
309 	struct xe_guc_relay *relay = test->priv;  in pf_loopback_echo()
321 	test_requires_relay_testloop(test);  in pf_loopback_echo()
323 	kunit_activate_static_stub(test, relay_kick_worker, relay_process_incoming_action);  in pf_loopback_echo()
324 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_loopback_echo()
329 	KUNIT_ASSERT_EQ(test, ret, ARRAY_SIZE(response));  in pf_loopback_echo()
330 	KUNIT_EXPECT_EQ(test, FIELD_GET(GUC_HXG_MSG_0_ORIGIN, response[0]),  in pf_loopback_echo()
332 	KUNIT_EXPECT_EQ(test, FIELD_GET(GUC_HXG_MSG_0_TYPE, response[0]),  in pf_loopback_echo()
334 	KUNIT_EXPECT_EQ(test, FIELD_GET(GUC_HXG_RESPONSE_MSG_0_DATA0, response[0]),  in pf_loopback_echo()
337 		KUNIT_EXPECT_EQ(test, request[n], response[n]);  in pf_loopback_echo()
340 static void pf_loopback_fail(struct kunit *test)  in pf_loopback_fail()  argument
342 	struct xe_guc_relay *relay = test->priv;  in pf_loopback_fail()
352 	test_requires_relay_testloop(test);  in pf_loopback_fail()
354 	kunit_activate_static_stub(test, relay_kick_worker, relay_process_incoming_action);  in pf_loopback_fail()
355 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_loopback_fail()
360 	KUNIT_ASSERT_EQ(test, ret, -EREMOTEIO);  in pf_loopback_fail()
363 static void pf_loopback_busy(struct kunit *test)  in pf_loopback_busy()  argument
365 	struct xe_guc_relay *relay = test->priv;  in pf_loopback_busy()
376 	test_requires_relay_testloop(test);  in pf_loopback_busy()
378 	kunit_activate_static_stub(test, relay_testonly_nop, relay_process_incoming_action);  in pf_loopback_busy()
379 	kunit_activate_static_stub(test, relay_kick_worker, relay_process_incoming_action);  in pf_loopback_busy()
380 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_loopback_busy()
385 	KUNIT_ASSERT_EQ(test, ret, GUC_HXG_RESPONSE_MSG_MIN_LEN);  in pf_loopback_busy()
388 static void pf_loopback_retry(struct kunit *test)  in pf_loopback_retry()  argument
390 	struct xe_guc_relay *relay = test->priv;  in pf_loopback_retry()
401 	test_requires_relay_testloop(test);  in pf_loopback_retry()
403 	kunit_activate_static_stub(test, relay_kick_worker, relay_process_incoming_action);  in pf_loopback_retry()
404 	kunit_activate_static_stub(test, xe_guc_ct_send_recv,  in pf_loopback_retry()
409 	KUNIT_ASSERT_EQ(test, ret, GUC_HXG_RESPONSE_MSG_MIN_LEN);  in pf_loopback_retry()
436 static void vf_rejects_guc2vf_too_short(struct kunit *test)  in vf_rejects_guc2vf_too_short()  argument
439 	struct xe_guc_relay *relay = test->priv;  in vf_rejects_guc2vf_too_short()
442 	KUNIT_ASSERT_EQ(test, -EPROTO, xe_guc_relay_process_guc2vf(relay, msg, len));  in vf_rejects_guc2vf_too_short()
445 static void vf_rejects_guc2vf_too_long(struct kunit *test)  in vf_rejects_guc2vf_too_long()  argument
448 	struct xe_guc_relay *relay = test->priv;  in vf_rejects_guc2vf_too_long()
451 	KUNIT_ASSERT_EQ(test, -EMSGSIZE, xe_guc_relay_process_guc2vf(relay, msg, len));  in vf_rejects_guc2vf_too_long()
454 static void vf_rejects_guc2vf_no_payload(struct kunit *test)  in vf_rejects_guc2vf_no_payload()  argument
457 	struct xe_guc_relay *relay = test->priv;  in vf_rejects_guc2vf_no_payload()
460 	KUNIT_ASSERT_EQ(test, -EPROTO, xe_guc_relay_process_guc2vf(relay, msg, len));  in vf_rejects_guc2vf_no_payload()
476 static void xe_drops_guc2pf_if_not_ready(struct kunit *test)  in xe_drops_guc2pf_if_not_ready()  argument
478 	struct xe_device *xe = test->priv;  in xe_drops_guc2pf_if_not_ready()
483 	KUNIT_ASSERT_EQ(test, -ENODEV, xe_guc_relay_process_guc2pf(relay, msg, len));  in xe_drops_guc2pf_if_not_ready()
486 static void xe_drops_guc2vf_if_not_ready(struct kunit *test)  in xe_drops_guc2vf_if_not_ready()  argument
488 	struct xe_device *xe = test->priv;  in xe_drops_guc2vf_if_not_ready()
493 	KUNIT_ASSERT_EQ(test, -ENODEV, xe_guc_relay_process_guc2vf(relay, msg, len));  in xe_drops_guc2vf_if_not_ready()
496 static void xe_rejects_send_if_not_ready(struct kunit *test)  in xe_rejects_send_if_not_ready()  argument
498 	struct xe_device *xe = test->priv;  in xe_rejects_send_if_not_ready()
503 	KUNIT_ASSERT_EQ(test, -ENODEV, xe_guc_relay_send_to_pf(relay, msg, len, NULL, 0));  in xe_rejects_send_if_not_ready()
504 	KUNIT_ASSERT_EQ(test, -ENODEV, relay_send_to(relay, TEST_VFID, msg, len, NULL, 0));  in xe_rejects_send_if_not_ready()