test/hftest/inc/hftest_impl.h - hafnium - Git at Google

 /*
  * Copyright 2018 The Hafnium Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #pragma once

 #include <stdnoreturn.h>

 #include "hf/fdt.h"
 #include "hf/spci.h"
 #include "hf/std.h"

 #include "vmapi/hf/spci.h"

 #define HFTEST_MAX_TESTS 50

 /*
  * Log with the HFTEST_LOG_PREFIX and a new line. The zero is added so there is
  * always at least one variadic argument.
  */
 #define HFTEST_LOG(...) HFTEST_LOG_IMPL(__VA_ARGS__, 0)
 #define HFTEST_LOG_IMPL(format, ...) \
 	dlog("%s" format "\n", HFTEST_LOG_PREFIX, __VA_ARGS__)

 /* Helper to wrap the argument in quotes. */
 #define HFTEST_STR(str) #str

 /*
  * Sections are names such that when the linker sorts them, all entries for the
  * same test suite are contiguous and the set up and tear down entries come
  * before the tests. This order simplifies test discovery in the running image.
  */
 #define HFTEST_SET_UP_SECTION(suite_name) \
 	HFTEST_STR(.hftest.suite.suite_name .1set_up)
 #define HFTEST_TEAR_DOWN_SECTION(suite_name) \
 	HFTEST_STR(.hftest.suite.suite_name .1tear_down)
 #define HFTEST_TEST_SECTION(suite_name, test_name) \
 	HFTEST_STR(.hftest.suite.suite_name .2test.test_name)
 #define HFTEST_SERVICE_SECTION(service_name) \
 	HFTEST_STR(.hftest.service.service_name)

 /* Helpers to construct unique identifiers. */
 #define HFTEST_SET_UP_STRUCT(suite_name) hftest_set_up_##suite_name
 #define HFTEST_TEAR_DOWN_STRUCT(suite_name) hftest_tear_down_##suite_name
 #define HFTEST_TEST_STRUCT(suite_name, test_name) \
 	hftest_test_##suite_name##_##test_name
 #define HFTEST_SERVICE_STRUCT(service_name) hftest_service_##service_name

 #define HFTEST_SET_UP_FN(suite_name) hftest_set_up_fn_##suite_name
 #define HFTEST_TEAR_DOWN_FN(suite_name) hftest_tear_down_fn_##suite_name
 #define HFTEST_TEST_FN(suite_name, test_name) \
 	hftest_test_fn_##suite_name##_##test_name
 #define HFTEST_SERVICE_FN(service_name) hftest_service_fn_##service_name

 #define HFTEST_SET_UP_CONSTRUCTOR(suite_name) hftest_set_up_ctor_##suite_name
 #define HFTEST_TEAR_DOWN_CONSTRUCTOR(suite_name) \
 	hftest_tear_down_ctor_##suite_name
 #define HFTEST_TEST_CONSTRUCTOR(suite_name, test_name) \
 	hftest_test_ctor_##suite_name##_##test_name

 /* Register test functions. */
 #define HFTEST_SET_UP(suite_name)                                           \
 	static void HFTEST_SET_UP_FN(suite_name)(void);                     \
 	const struct hftest_test __attribute__((used))                      \
 		__attribute__((section(HFTEST_SET_UP_SECTION(suite_name)))) \
 			HFTEST_SET_UP_STRUCT(suite_name) = {                \
 				.suite = #suite_name,                       \
 				.kind = HFTEST_KIND_SET_UP,                 \
 				.fn = HFTEST_SET_UP_FN(suite_name),         \
 	};                                                                  \
 	static void __attribute__((constructor))                            \
 		HFTEST_SET_UP_CONSTRUCTOR(suite_name)(void)                 \
 	{                                                                   \
 		hftest_register(HFTEST_SET_UP_STRUCT(suite_name));          \
 	}                                                                   \
 	static void HFTEST_SET_UP_FN(suite_name)(void)

 #define HFTEST_TEAR_DOWN(suite_name)                                           \
 	static void HFTEST_TEAR_DOWN_FN(suite_name)(void);                     \
 	const struct hftest_test __attribute__((used))                         \
 		__attribute__((section(HFTEST_TEAR_DOWN_SECTION(suite_name)))) \
 			HFTEST_TEAR_DOWN_STRUCT(suite_name) = {                \
 				.suite = #suite_name,                          \
 				.kind = HFTEST_KIND_TEAR_DOWN,                 \
 				.fn = HFTEST_TEAR_DOWN_FN(suite_name),         \
 	};                                                                     \
 	static void __attribute__((constructor))                               \
 		HFTEST_TEAR_DOWN_CONSTRUCTOR(suite_name)(void)                 \
 	{                                                                      \
 		hftest_register(HFTEST_TEAR_DOWN_STRUCT(suite_name));          \
 	}                                                                      \
 	static void HFTEST_TEAR_DOWN_FN(suite_name)(void)

 #define HFTEST_TEST(suite_name, test_name)                                  \
 	static void HFTEST_TEST_FN(suite_name, test_name)(void);            \
 	const struct hftest_test __attribute__((used)) __attribute__(       \
 		(section(HFTEST_TEST_SECTION(suite_name, test_name))))      \
 		HFTEST_TEST_STRUCT(suite_name, test_name) = {               \
 			.suite = #suite_name,                               \
 			.kind = HFTEST_KIND_TEST,                           \
 			.name = #test_name,                                 \
 			.fn = HFTEST_TEST_FN(suite_name, test_name),        \
 	};                                                                  \
 	static void __attribute__((constructor))                            \
 		HFTEST_TEST_CONSTRUCTOR(suite_name, test_name)(void)        \
 	{                                                                   \
 		hftest_register(HFTEST_TEST_STRUCT(suite_name, test_name)); \
 	}                                                                   \
 	static void HFTEST_TEST_FN(suite_name, test_name)(void)

 #define HFTEST_TEST_SERVICE(service_name)                                      \
 	static void HFTEST_SERVICE_FN(service_name)(void);                     \
 	const struct hftest_test __attribute__((used))                         \
 		__attribute__((section(HFTEST_SERVICE_SECTION(service_name)))) \
 			HFTEST_SERVICE_STRUCT(service_name) = {                \
 				.kind = HFTEST_KIND_SERVICE,                   \
 				.name = #service_name,                         \
 				.fn = HFTEST_SERVICE_FN(service_name),         \
 	};                                                                     \
 	static void HFTEST_SERVICE_FN(service_name)(void)

 /* Context for tests. */
 struct hftest_context {
 	uint32_t failures;
 	noreturn void (*abort)(void);

 	/* These are used in primary VMs. */
 	const struct fdt_header *fdt;

 	/* These are used in services. */
 	struct spci_message *send;
 	struct spci_message *recv;
 	size_t memory_size;
 };

 struct hftest_context *hftest_get_context(void);

 /* A test case. */
 typedef void (*hftest_test_fn)(void);

 enum hftest_kind {
 	HFTEST_KIND_SET_UP = 0,
 	HFTEST_KIND_TEST = 1,
 	HFTEST_KIND_TEAR_DOWN = 2,
 	HFTEST_KIND_SERVICE = 3,
 };

 /**
  * The .hftest section contains an array of this struct which describes the test
  * functions contained in the image allowing the image to inspect the tests it
  * contains.
  */
 struct hftest_test {
 	const char *suite;
 	enum hftest_kind kind;
 	const char *name;
 	hftest_test_fn fn;
 };

 /*
  * This union can store any of the primitive types supported by the assertion
  * macros.
  *
  * It does not include pointers as comparison of pointers is not often needed
  * and could be a mistake for string comparison. If pointer comparison is needed
  * and explicit assertion such as ASSERT_PTR_EQ() would be more appropriate.
  */
 union hftest_any {
 	bool b;
 	char c;
 	signed char sc;
 	unsigned char uc;
 	signed short ss;
 	unsigned short us;
 	signed int si;
 	unsigned int ui;
 	signed long int sli;
 	unsigned long int uli;
 	signed long long int slli;
 	unsigned long long int ulli;
 };

 /* _Generic formatting doesn't seem to be supported so doing this manually. */
 /* clang-format off */

 /* Select the union member to match the type of the expression. */
 #define hftest_any_get(any, x)                      \
 	_Generic((x),                               \
 		bool:                   (any).b,    \
 		char:                   (any).c,    \
 		signed char:            (any).sc,   \
 		unsigned char:          (any).uc,   \
 		signed short:           (any).ss,   \
 		unsigned short:         (any).us,   \
 		signed int:             (any).si,   \
 		unsigned int:           (any).ui,   \
 		signed long int:        (any).sli,  \
 		unsigned long int:      (any).uli,  \
 		signed long long int:   (any).slli, \
 		unsigned long long int: (any).ulli)

 /*
  * dlog format specifier for types. Note, these aren't the standard specifiers
  * for the types.
  */
 #define hftest_dlog_format(x)                 \
 	_Generic((x),                         \
 		bool:                   "%u", \
 		char:                   "%c", \
 		signed char:            "%d", \
 		unsigned char:          "%u", \
 		signed short:           "%d", \
 		unsigned short:         "%u", \
 		signed int:             "%d", \
 		unsigned int:           "%u", \
 		signed long int:        "%d", \
 		unsigned long int:      "%u", \
 		signed long long int:   "%d", \
 		unsigned long long int: "%u")

 /* clang-format on */

 #define HFTEST_LOG_FAILURE() \
 	dlog(HFTEST_LOG_PREFIX "Failure: %s:%u\n", __FILE__, __LINE__);

 #define HFTEST_ASSERT_OP(lhs, rhs, op, fatal)                              \
 	do {                                                               \
 		union hftest_any lhs_value;                                \
 		union hftest_any rhs_value;                                \
 		hftest_any_get(lhs_value, lhs) = (lhs);                    \
 		hftest_any_get(rhs_value, rhs) = (rhs);                    \
 		if (!(hftest_any_get(lhs_value, lhs)                       \
 			      op hftest_any_get(rhs_value, rhs))) {        \
 			struct hftest_context *ctx = hftest_get_context(); \
 			++ctx->failures;                                   \
 			HFTEST_LOG_FAILURE();                              \
 			dlog(HFTEST_LOG_PREFIX HFTEST_LOG_INDENT           \
 			     "%s %s %s (%s=",                              \
 			     #lhs, #op, #rhs, #lhs);                       \
 			dlog(hftest_dlog_format(lhs),                      \
 			     hftest_any_get(lhs_value, lhs));              \
 			dlog(", %s=", #rhs);                               \
 			dlog(hftest_dlog_format(rhs),                      \
 			     hftest_any_get(rhs_value, rhs));              \
 			dlog(")\n");                                       \
 			if (fatal) {                                       \
 				ctx->abort();                              \
 			}                                                  \
 		}                                                          \
 	} while (0)

 #define HFTEST_FAIL(fatal, ...)                                        \
 	do {                                                           \
 		struct hftest_context *ctx = hftest_get_context();     \
 		++ctx->failures;                                       \
 		HFTEST_LOG_FAILURE();                                  \
 		dlog(HFTEST_LOG_PREFIX HFTEST_LOG_INDENT __VA_ARGS__); \
 		dlog("\n");                                            \
 		if (fatal) {                                           \
 			ctx->abort();                                  \
 		}                                                      \
 	} while (0)

 /**
  * Select the service to run in a service VM.
  */
 #define HFTEST_SERVICE_SELECT(vm_id, service, send_buffer)                    \
 	do {                                                                  \
 		struct hf_vcpu_run_return run_res;                            \
 		uint32_t msg_length =                                         \
 			strnlen_s(service, SERVICE_NAME_MAX_LENGTH);          \
                                                                               \
 		/*                                                            \
 		 * Let the service configure its mailbox and wait for a       \
 		 * message.                                                   \
 		 */                                                           \
 		run_res = hf_vcpu_run(vm_id, 0);                              \
 		ASSERT_EQ(run_res.code, HF_VCPU_RUN_WAIT_FOR_MESSAGE);        \
 		ASSERT_EQ(run_res.sleep.ns, HF_SLEEP_INDEFINITE);             \
                                                                               \
 		/* Send the selected service to run and let it be handled. */ \
 		memcpy_s(send_buffer->payload, SPCI_MSG_PAYLOAD_MAX, service, \
 			 msg_length);                                         \
 		spci_message_init(send_buffer, msg_length, vm_id,             \
 				  hf_vm_get_id());                            \
                                                                               \
 		ASSERT_EQ(spci_msg_send(0), 0);                               \
 		run_res = hf_vcpu_run(vm_id, 0);                              \
 		ASSERT_EQ(run_res.code, HF_VCPU_RUN_YIELD);                   \
 	} while (0)

 #define HFTEST_SERVICE_SEND_BUFFER() hftest_get_context()->send
 #define HFTEST_SERVICE_RECV_BUFFER() hftest_get_context()->recv
 #define HFTEST_SERVICE_MEMORY_SIZE() hftest_get_context()->memory_size

 void hftest_register(struct hftest_test test);
	/*
	* Copyright 2018 The Hafnium Authors.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* https://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#pragma once

	#include <stdnoreturn.h>

	#include "hf/fdt.h"
	#include "hf/spci.h"
	#include "hf/std.h"

	#include "vmapi/hf/spci.h"

	#define HFTEST_MAX_TESTS 50

	/*
	* Log with the HFTEST_LOG_PREFIX and a new line. The zero is added so there is
	* always at least one variadic argument.
	*/
	#define HFTEST_LOG(...) HFTEST_LOG_IMPL(__VA_ARGS__, 0)
	#define HFTEST_LOG_IMPL(format, ...) \
	dlog("%s" format "\n", HFTEST_LOG_PREFIX, __VA_ARGS__)

	/* Helper to wrap the argument in quotes. */
	#define HFTEST_STR(str) #str

	/*
	* Sections are names such that when the linker sorts them, all entries for the
	* same test suite are contiguous and the set up and tear down entries come
	* before the tests. This order simplifies test discovery in the running image.
	*/
	#define HFTEST_SET_UP_SECTION(suite_name) \
	HFTEST_STR(.hftest.suite.suite_name .1set_up)
	#define HFTEST_TEAR_DOWN_SECTION(suite_name) \
	HFTEST_STR(.hftest.suite.suite_name .1tear_down)
	#define HFTEST_TEST_SECTION(suite_name, test_name) \
	HFTEST_STR(.hftest.suite.suite_name .2test.test_name)
	#define HFTEST_SERVICE_SECTION(service_name) \
	HFTEST_STR(.hftest.service.service_name)

	/* Helpers to construct unique identifiers. */
	#define HFTEST_SET_UP_STRUCT(suite_name) hftest_set_up_##suite_name
	#define HFTEST_TEAR_DOWN_STRUCT(suite_name) hftest_tear_down_##suite_name
	#define HFTEST_TEST_STRUCT(suite_name, test_name) \
	hftest_test_##suite_name##_##test_name
	#define HFTEST_SERVICE_STRUCT(service_name) hftest_service_##service_name

	#define HFTEST_SET_UP_FN(suite_name) hftest_set_up_fn_##suite_name
	#define HFTEST_TEAR_DOWN_FN(suite_name) hftest_tear_down_fn_##suite_name
	#define HFTEST_TEST_FN(suite_name, test_name) \
	hftest_test_fn_##suite_name##_##test_name
	#define HFTEST_SERVICE_FN(service_name) hftest_service_fn_##service_name

	#define HFTEST_SET_UP_CONSTRUCTOR(suite_name) hftest_set_up_ctor_##suite_name
	#define HFTEST_TEAR_DOWN_CONSTRUCTOR(suite_name) \
	hftest_tear_down_ctor_##suite_name
	#define HFTEST_TEST_CONSTRUCTOR(suite_name, test_name) \
	hftest_test_ctor_##suite_name##_##test_name

	/* Register test functions. */
	#define HFTEST_SET_UP(suite_name) \
	static void HFTEST_SET_UP_FN(suite_name)(void); \
	const struct hftest_test __attribute__((used)) \
	__attribute__((section(HFTEST_SET_UP_SECTION(suite_name)))) \
	HFTEST_SET_UP_STRUCT(suite_name) = { \
	.suite = #suite_name, \
	.kind = HFTEST_KIND_SET_UP, \
	.fn = HFTEST_SET_UP_FN(suite_name), \
	}; \
	static void __attribute__((constructor)) \
	HFTEST_SET_UP_CONSTRUCTOR(suite_name)(void) \
	{ \
	hftest_register(HFTEST_SET_UP_STRUCT(suite_name)); \
	} \
	static void HFTEST_SET_UP_FN(suite_name)(void)

	#define HFTEST_TEAR_DOWN(suite_name) \
	static void HFTEST_TEAR_DOWN_FN(suite_name)(void); \
	const struct hftest_test __attribute__((used)) \
	__attribute__((section(HFTEST_TEAR_DOWN_SECTION(suite_name)))) \
	HFTEST_TEAR_DOWN_STRUCT(suite_name) = { \
	.suite = #suite_name, \
	.kind = HFTEST_KIND_TEAR_DOWN, \
	.fn = HFTEST_TEAR_DOWN_FN(suite_name), \
	}; \
	static void __attribute__((constructor)) \
	HFTEST_TEAR_DOWN_CONSTRUCTOR(suite_name)(void) \
	{ \
	hftest_register(HFTEST_TEAR_DOWN_STRUCT(suite_name)); \
	} \
	static void HFTEST_TEAR_DOWN_FN(suite_name)(void)

	#define HFTEST_TEST(suite_name, test_name) \
	static void HFTEST_TEST_FN(suite_name, test_name)(void); \
	const struct hftest_test __attribute__((used)) __attribute__( \
	(section(HFTEST_TEST_SECTION(suite_name, test_name)))) \
	HFTEST_TEST_STRUCT(suite_name, test_name) = { \
	.suite = #suite_name, \
	.kind = HFTEST_KIND_TEST, \
	.name = #test_name, \
	.fn = HFTEST_TEST_FN(suite_name, test_name), \
	}; \
	static void __attribute__((constructor)) \
	HFTEST_TEST_CONSTRUCTOR(suite_name, test_name)(void) \
	{ \
	hftest_register(HFTEST_TEST_STRUCT(suite_name, test_name)); \
	} \
	static void HFTEST_TEST_FN(suite_name, test_name)(void)

	#define HFTEST_TEST_SERVICE(service_name) \
	static void HFTEST_SERVICE_FN(service_name)(void); \
	const struct hftest_test __attribute__((used)) \
	__attribute__((section(HFTEST_SERVICE_SECTION(service_name)))) \
	HFTEST_SERVICE_STRUCT(service_name) = { \
	.kind = HFTEST_KIND_SERVICE, \
	.name = #service_name, \
	.fn = HFTEST_SERVICE_FN(service_name), \
	}; \
	static void HFTEST_SERVICE_FN(service_name)(void)

	/* Context for tests. */
	struct hftest_context {
	uint32_t failures;
	noreturn void (*abort)(void);

	/* These are used in primary VMs. */
	const struct fdt_header *fdt;

	/* These are used in services. */
	struct spci_message *send;
	struct spci_message *recv;
	size_t memory_size;
	};

	struct hftest_context *hftest_get_context(void);

	/* A test case. */
	typedef void (*hftest_test_fn)(void);

	enum hftest_kind {
	HFTEST_KIND_SET_UP = 0,
	HFTEST_KIND_TEST = 1,
	HFTEST_KIND_TEAR_DOWN = 2,
	HFTEST_KIND_SERVICE = 3,
	};

	/**
	* The .hftest section contains an array of this struct which describes the test
	* functions contained in the image allowing the image to inspect the tests it
	* contains.
	*/
	struct hftest_test {
	const char *suite;
	enum hftest_kind kind;
	const char *name;
	hftest_test_fn fn;
	};

	/*
	* This union can store any of the primitive types supported by the assertion
	* macros.
	*
	* It does not include pointers as comparison of pointers is not often needed
	* and could be a mistake for string comparison. If pointer comparison is needed
	* and explicit assertion such as ASSERT_PTR_EQ() would be more appropriate.
	*/
	union hftest_any {
	bool b;
	char c;
	signed char sc;
	unsigned char uc;
	signed short ss;
	unsigned short us;
	signed int si;
	unsigned int ui;
	signed long int sli;
	unsigned long int uli;
	signed long long int slli;
	unsigned long long int ulli;
	};

	/* _Generic formatting doesn't seem to be supported so doing this manually. */
	/* clang-format off */

	/* Select the union member to match the type of the expression. */
	#define hftest_any_get(any, x) \
	_Generic((x), \
	bool: (any).b, \
	char: (any).c, \
	signed char: (any).sc, \
	unsigned char: (any).uc, \
	signed short: (any).ss, \
	unsigned short: (any).us, \
	signed int: (any).si, \
	unsigned int: (any).ui, \
	signed long int: (any).sli, \
	unsigned long int: (any).uli, \
	signed long long int: (any).slli, \
	unsigned long long int: (any).ulli)

	/*
	* dlog format specifier for types. Note, these aren't the standard specifiers
	* for the types.
	*/
	#define hftest_dlog_format(x) \
	_Generic((x), \
	bool: "%u", \
	char: "%c", \
	signed char: "%d", \
	unsigned char: "%u", \
	signed short: "%d", \
	unsigned short: "%u", \
	signed int: "%d", \
	unsigned int: "%u", \
	signed long int: "%d", \
	unsigned long int: "%u", \
	signed long long int: "%d", \
	unsigned long long int: "%u")

	/* clang-format on */

	#define HFTEST_LOG_FAILURE() \
	dlog(HFTEST_LOG_PREFIX "Failure: %s:%u\n", __FILE__, __LINE__);

	#define HFTEST_ASSERT_OP(lhs, rhs, op, fatal) \
	do { \
	union hftest_any lhs_value; \
	union hftest_any rhs_value; \
	hftest_any_get(lhs_value, lhs) = (lhs); \
	hftest_any_get(rhs_value, rhs) = (rhs); \
	if (!(hftest_any_get(lhs_value, lhs) \
	op hftest_any_get(rhs_value, rhs))) { \
	struct hftest_context *ctx = hftest_get_context(); \
	++ctx->failures; \
	HFTEST_LOG_FAILURE(); \
	dlog(HFTEST_LOG_PREFIX HFTEST_LOG_INDENT \
	"%s %s %s (%s=", \
	#lhs, #op, #rhs, #lhs); \
	dlog(hftest_dlog_format(lhs), \
	hftest_any_get(lhs_value, lhs)); \
	dlog(", %s=", #rhs); \
	dlog(hftest_dlog_format(rhs), \
	hftest_any_get(rhs_value, rhs)); \
	dlog(")\n"); \
	if (fatal) { \
	ctx->abort(); \
	} \
	} \
	} while (0)

	#define HFTEST_FAIL(fatal, ...) \
	do { \
	struct hftest_context *ctx = hftest_get_context(); \
	++ctx->failures; \
	HFTEST_LOG_FAILURE(); \
	dlog(HFTEST_LOG_PREFIX HFTEST_LOG_INDENT __VA_ARGS__); \
	dlog("\n"); \
	if (fatal) { \
	ctx->abort(); \
	} \
	} while (0)

	/**
	* Select the service to run in a service VM.
	*/
	#define HFTEST_SERVICE_SELECT(vm_id, service, send_buffer) \
	do { \
	struct hf_vcpu_run_return run_res; \
	uint32_t msg_length = \
	strnlen_s(service, SERVICE_NAME_MAX_LENGTH); \
	\
	/* \
	* Let the service configure its mailbox and wait for a \
	* message. \
	*/ \
	run_res = hf_vcpu_run(vm_id, 0); \
	ASSERT_EQ(run_res.code, HF_VCPU_RUN_WAIT_FOR_MESSAGE); \
	ASSERT_EQ(run_res.sleep.ns, HF_SLEEP_INDEFINITE); \
	\
	/* Send the selected service to run and let it be handled. */ \
	memcpy_s(send_buffer->payload, SPCI_MSG_PAYLOAD_MAX, service, \
	msg_length); \
	spci_message_init(send_buffer, msg_length, vm_id, \
	hf_vm_get_id()); \
	\
	ASSERT_EQ(spci_msg_send(0), 0); \
	run_res = hf_vcpu_run(vm_id, 0); \
	ASSERT_EQ(run_res.code, HF_VCPU_RUN_YIELD); \
	} while (0)

	#define HFTEST_SERVICE_SEND_BUFFER() hftest_get_context()->send
	#define HFTEST_SERVICE_RECV_BUFFER() hftest_get_context()->recv
	#define HFTEST_SERVICE_MEMORY_SIZE() hftest_get_context()->memory_size

	void hftest_register(struct hftest_test test);