lib/efi_selftest/efi_selftest_manageprotocols.c - u-boot-mtk - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * efi_selftest_manageprotocols
  *
  * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
  *
  * This unit test checks the following protocol services:
  * InstallProtocolInterface, UninstallProtocolInterface,
  * InstallMultipleProtocolsInterfaces, UninstallMultipleProtocolsInterfaces,
  * HandleProtocol, ProtocolsPerHandle,
  * LocateHandle, LocateHandleBuffer.
  */

 #include <efi_selftest.h>

 /*
  * The test currently does not actually call the interface function.
  * So this is just a dummy structure.
  */
 struct interface {
 	void (EFIAPI * inc)(void);
 };

 static struct efi_boot_services *boottime;
 static efi_guid_t guid1 =
 	EFI_GUID(0x2e7ca819, 0x21d3, 0x0a3a,
 		 0xf7, 0x91, 0x82, 0x1f, 0x7a, 0x83, 0x67, 0xaf);
 static efi_guid_t guid2 =
 	EFI_GUID(0xf909f2bb, 0x90a8, 0x0d77,
 		 0x94, 0x0c, 0x3e, 0xa8, 0xea, 0x38, 0xd6, 0x6f);
 static efi_guid_t guid3 =
 	EFI_GUID(0x06d641a3, 0xf4e7, 0xe0c9,
 		 0xe7, 0x8d, 0x41, 0x2d, 0x72, 0xa6, 0xb1, 0x24);
 static efi_handle_t handle1;
 static efi_handle_t handle2;
 static struct interface interface1;
 static struct interface interface2;
 static struct interface interface3;
 static struct interface interface4;

 /*
  * Find a handle in an array.
  *
  * @handle:	handle to find
  * @count:	number of entries in the array
  * @buffer:	array to search
  */
 efi_status_t find_in_buffer(efi_handle_t handle, size_t count,
 			    efi_handle_t *buffer)
 {
 	size_t i;

 	for (i = 0; i < count; ++i) {
 		if (buffer[i] == handle)
 			return EFI_SUCCESS;
 	}
 	return EFI_NOT_FOUND;
 }

 /*
  * Setup unit test.
  *
  * Create two handles and install two out of three protocol interfaces on each
  * of them:
  *
  * handle1
  *   guid1 interface1
  *   guid3 interface3
  * handle2
  *   guid1 interface4
  *   guid2 interface2
  *
  * @handle:	handle of the loaded image
  * @systable:	system table
  */
 static int setup(const efi_handle_t img_handle,
 		 const struct efi_system_table *systable)
 {
 	efi_status_t ret;
 	efi_handle_t handle;

 	boottime = systable->boottime;

 	ret = boottime->install_protocol_interface(&handle1, &guid3,
 						   EFI_NATIVE_INTERFACE,
 						   &interface3);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("InstallProtocolInterface failed\n");
 		return EFI_ST_FAILURE;
 	}
 	if (!handle1) {
 		efi_st_error("InstallProtocolInterface failed to create handle\n");
 		return EFI_ST_FAILURE;
 	}
 	handle = handle1;
 	ret = boottime->install_protocol_interface(&handle1, &guid1,
 						   EFI_NATIVE_INTERFACE,
 						   &interface1);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("InstallProtocolInterface failed\n");
 		return EFI_ST_FAILURE;
 	}
 	if (handle != handle1) {
 		efi_st_error("InstallProtocolInterface failed to use handle\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = boottime->install_multiple_protocol_interfaces(&handle2,
 			&guid1, &interface4, &guid2, &interface2, NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("InstallMultipleProtocolInterfaces failed\n");
 		return EFI_ST_FAILURE;
 	}
 	if (!handle2 || handle1 == handle2) {
 		efi_st_error("InstallMultipleProtocolInterfaces failed to create handle\n");
 		return EFI_ST_FAILURE;
 	}

 	return EFI_ST_SUCCESS;
 }

 /*
  * Tear down unit test.
  *
  */
 static int teardown(void)
 {
 	return EFI_ST_SUCCESS;
 }

 /*
  * Execute unit test.
  *
  */
 static int execute(void)
 {
 	struct interface *interface;
 	efi_status_t ret;
 	efi_handle_t *buffer;
 	size_t buffer_size;
 	efi_uintn_t count = 0;
 	efi_guid_t **prot_buffer;
 	efi_uintn_t prot_count;

 	/*
 	 * Test HandleProtocol
 	 */
 	ret = boottime->handle_protocol(handle1, &guid3, (void **)&interface);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("HandleProtocol failed to retrieve interface\n");
 		return EFI_ST_FAILURE;
 	}
 	if (interface != &interface3) {
 		efi_st_error("HandleProtocol returned wrong interface\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = boottime->handle_protocol(handle1, &guid2, (void **)&interface);
 	if (ret == EFI_SUCCESS) {
 		efi_st_error("HandleProtocol returned not installed interface\n");
 		return EFI_ST_FAILURE;
 	}

 	/*
 	 * Test LocateHandleBuffer with AllHandles
 	 */
 	ret = boottime->locate_handle_buffer(ALL_HANDLES, NULL, NULL,
 					     &count, &buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandleBuffer with AllHandles failed\n");
 		return EFI_ST_FAILURE;
 	}
 	buffer_size = count;
 	ret = find_in_buffer(handle1, count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandleBuffer failed to locate new handle\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = find_in_buffer(handle2, count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandleBuffer failed to locate new handle\n");
 		return EFI_ST_FAILURE;
 	}
 	/* Release buffer */
 	ret = boottime->free_pool(buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("FreePool failed\n");
 		return EFI_ST_FAILURE;
 	}

 	/*
 	 * Test error handling in UninstallMultipleProtocols
 	 *
 	 * These are the installed protocol interfaces on handle 2:
 	 *
 	 *   guid1 interface4
 	 *   guid2 interface2
 	 *
 	 * Try to uninstall more protocols than there are installed. This
 	 * should return an error EFI_INVALID_PARAMETER. All deleted protocols
 	 * should be reinstalled.
 	 */
 	ret = boottime->uninstall_multiple_protocol_interfaces(
 						handle2,
 						&guid1, &interface4,
 						&guid2, &interface2,
 						&guid3, &interface3,
 						NULL);
 	if (ret != EFI_INVALID_PARAMETER) {
 		printf("%lx", ret);
 		efi_st_error("UninstallMultipleProtocolInterfaces did not catch error\n");
 		return EFI_ST_FAILURE;
 	}

 	/*
 	 * Test LocateHandleBuffer with ByProtocol
 	 *
 	 * These are the handles with a guid1 protocol interface installed:
 	 *
 	 *	handle1, handle2
 	 */
 	count = buffer_size;
 	ret = boottime->locate_handle_buffer(BY_PROTOCOL, &guid1, NULL,
 					     &count, &buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandleBuffer failed to locate new handles\n");
 		return EFI_ST_FAILURE;
 	}
 	if (count != 2) {
 		efi_st_error("UninstallMultipleProtocolInterfaces deleted handle\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = find_in_buffer(handle1, count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandleBuffer failed to locate new handle\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = find_in_buffer(handle2, count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandleBuffer failed to locate new handle\n");
 		return EFI_ST_FAILURE;
 	}
 	/* Clear the buffer, we are reusing it it the next step. */
 	boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0);

 	/*
 	 * Test LocateHandle with ByProtocol
 	 */
 	count = buffer_size * sizeof(efi_handle_t);
 	ret = boottime->locate_handle(BY_PROTOCOL, &guid1, NULL,
 				      &count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandle with ByProtocol failed\n");
 		return EFI_ST_FAILURE;
 	}
 	if (count / sizeof(efi_handle_t) != 2) {
 		efi_st_error("LocateHandle failed to locate new handles\n");
 		return EFI_ST_FAILURE;
 	}
 	buffer_size = count;
 	ret = find_in_buffer(handle1, count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandle failed to locate new handles\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = find_in_buffer(handle2, count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandle failed to locate new handles\n");
 		return EFI_ST_FAILURE;
 	}
 	/* Release buffer */
 	ret = boottime->free_pool(buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("FreePool failed\n");
 		return EFI_ST_FAILURE;
 	}

 	/*
 	 * Test LocateProtocol
 	 */
 	ret = boottime->locate_protocol(&guid1, NULL, (void **)&interface);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateProtocol failed\n");
 		return EFI_ST_FAILURE;
 	}
 	if (interface != &interface1 && interface != &interface4) {
 		efi_st_error("LocateProtocol failed to locate protocol\n");
 		return EFI_ST_FAILURE;
 	}

 	/*
 	 * Test UninstallMultipleProtocols
 	 */
 	ret = boottime->uninstall_multiple_protocol_interfaces(
 						handle2,
 						&guid1, &interface4,
 						&guid2, &interface2,
 						NULL);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("UninstallMultipleProtocolInterfaces failed\n");
 		return EFI_ST_FAILURE;
 	}
 	/*
 	 * Check that the protocols are really uninstalled.
 	 */
 	count = buffer_size;
 	ret = boottime->locate_handle_buffer(BY_PROTOCOL, &guid1, NULL,
 					     &count, &buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("LocateHandleBuffer failed\n");
 		return EFI_ST_FAILURE;
 	}
 	if (count != 1) {
 		efi_st_error("UninstallMultipleProtocolInterfaces failed to uninstall protocols\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = find_in_buffer(handle1, count, buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("Failed to locate new handle\n");
 		return EFI_ST_FAILURE;
 	}
 	boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0);

 	/*
 	 * Test ProtocolsPerHandle
 	 */
 	ret = boottime->protocols_per_handle(handle1,
 					     &prot_buffer, &prot_count);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("Failed to get protocols per handle\n");
 		return EFI_ST_FAILURE;
 	}
 	if (prot_count != 2) {
 		efi_st_error("Failed to get protocols per handle\n");
 		return EFI_ST_FAILURE;
 	}
 	if (memcmp(prot_buffer[0], &guid1, 16) &&
 	    memcmp(prot_buffer[1], &guid1, 16)) {
 		efi_st_error("Failed to get protocols per handle\n");
 		return EFI_ST_FAILURE;
 	}
 	if (memcmp(prot_buffer[0], &guid3, 16) &&
 	    memcmp(prot_buffer[1], &guid3, 16)) {
 		efi_st_error("Failed to get protocols per handle\n");
 		return EFI_ST_FAILURE;
 	}
 	/* Release buffer */
 	ret = boottime->free_pool(prot_buffer);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("FreePool failed\n");
 		return EFI_ST_FAILURE;
 	}

 	/*
 	 * Uninstall remaining protocols
 	 */
 	ret = boottime->uninstall_protocol_interface(handle1, &guid1,
 						     &interface1);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("UninstallProtocolInterface failed\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = boottime->handle_protocol(handle1, &guid1, (void **)&interface);
 	if (ret == EFI_SUCCESS) {
 		efi_st_error("UninstallProtocolInterface failed\n");
 		return EFI_ST_FAILURE;
 	}
 	ret = boottime->uninstall_protocol_interface(handle1, &guid3,
 						     &interface3);
 	if (ret != EFI_SUCCESS) {
 		efi_st_error("UninstallProtocolInterface failed\n");
 		return EFI_ST_FAILURE;
 	}

 	return EFI_ST_SUCCESS;
 }

 EFI_UNIT_TEST(protserv) = {
 	.name = "manage protocols",
 	.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
 	.setup = setup,
 	.execute = execute,
 	.teardown = teardown,
 };
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* efi_selftest_manageprotocols
	*
	* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
	*
	* This unit test checks the following protocol services:
	* InstallProtocolInterface, UninstallProtocolInterface,
	* InstallMultipleProtocolsInterfaces, UninstallMultipleProtocolsInterfaces,
	* HandleProtocol, ProtocolsPerHandle,
	* LocateHandle, LocateHandleBuffer.
	*/

	#include <efi_selftest.h>

	/*
	* The test currently does not actually call the interface function.
	* So this is just a dummy structure.
	*/
	struct interface {
	void (EFIAPI * inc)(void);
	};

	static struct efi_boot_services *boottime;
	static efi_guid_t guid1 =
	EFI_GUID(0x2e7ca819, 0x21d3, 0x0a3a,
	0xf7, 0x91, 0x82, 0x1f, 0x7a, 0x83, 0x67, 0xaf);
	static efi_guid_t guid2 =
	EFI_GUID(0xf909f2bb, 0x90a8, 0x0d77,
	0x94, 0x0c, 0x3e, 0xa8, 0xea, 0x38, 0xd6, 0x6f);
	static efi_guid_t guid3 =
	EFI_GUID(0x06d641a3, 0xf4e7, 0xe0c9,
	0xe7, 0x8d, 0x41, 0x2d, 0x72, 0xa6, 0xb1, 0x24);
	static efi_handle_t handle1;
	static efi_handle_t handle2;
	static struct interface interface1;
	static struct interface interface2;
	static struct interface interface3;
	static struct interface interface4;

	/*
	* Find a handle in an array.
	*
	* @handle: handle to find
	* @count: number of entries in the array
	* @buffer: array to search
	*/
	efi_status_t find_in_buffer(efi_handle_t handle, size_t count,
	efi_handle_t *buffer)
	{
	size_t i;

	for (i = 0; i < count; ++i) {
	if (buffer[i] == handle)
	return EFI_SUCCESS;
	}
	return EFI_NOT_FOUND;
	}

	/*
	* Setup unit test.
	*
	* Create two handles and install two out of three protocol interfaces on each
	* of them:
	*
	* handle1
	* guid1 interface1
	* guid3 interface3
	* handle2
	* guid1 interface4
	* guid2 interface2
	*
	* @handle: handle of the loaded image
	* @systable: system table
	*/
	static int setup(const efi_handle_t img_handle,
	const struct efi_system_table *systable)
	{
	efi_status_t ret;
	efi_handle_t handle;

	boottime = systable->boottime;

	ret = boottime->install_protocol_interface(&handle1, &guid3,
	EFI_NATIVE_INTERFACE,
	&interface3);
	if (ret != EFI_SUCCESS) {
	efi_st_error("InstallProtocolInterface failed\n");
	return EFI_ST_FAILURE;
	}
	if (!handle1) {
	efi_st_error("InstallProtocolInterface failed to create handle\n");
	return EFI_ST_FAILURE;
	}
	handle = handle1;
	ret = boottime->install_protocol_interface(&handle1, &guid1,
	EFI_NATIVE_INTERFACE,
	&interface1);
	if (ret != EFI_SUCCESS) {
	efi_st_error("InstallProtocolInterface failed\n");
	return EFI_ST_FAILURE;
	}
	if (handle != handle1) {
	efi_st_error("InstallProtocolInterface failed to use handle\n");
	return EFI_ST_FAILURE;
	}
	ret = boottime->install_multiple_protocol_interfaces(&handle2,
	&guid1, &interface4, &guid2, &interface2, NULL);
	if (ret != EFI_SUCCESS) {
	efi_st_error("InstallMultipleProtocolInterfaces failed\n");
	return EFI_ST_FAILURE;
	}
	if (!handle2 \|\| handle1 == handle2) {
	efi_st_error("InstallMultipleProtocolInterfaces failed to create handle\n");
	return EFI_ST_FAILURE;
	}

	return EFI_ST_SUCCESS;
	}

	/*
	* Tear down unit test.
	*
	*/
	static int teardown(void)
	{
	return EFI_ST_SUCCESS;
	}

	/*
	* Execute unit test.
	*
	*/
	static int execute(void)
	{
	struct interface *interface;
	efi_status_t ret;
	efi_handle_t *buffer;
	size_t buffer_size;
	efi_uintn_t count = 0;
	efi_guid_t **prot_buffer;
	efi_uintn_t prot_count;

	/*
	* Test HandleProtocol
	*/
	ret = boottime->handle_protocol(handle1, &guid3, (void **)&interface);
	if (ret != EFI_SUCCESS) {
	efi_st_error("HandleProtocol failed to retrieve interface\n");
	return EFI_ST_FAILURE;
	}
	if (interface != &interface3) {
	efi_st_error("HandleProtocol returned wrong interface\n");
	return EFI_ST_FAILURE;
	}
	ret = boottime->handle_protocol(handle1, &guid2, (void **)&interface);
	if (ret == EFI_SUCCESS) {
	efi_st_error("HandleProtocol returned not installed interface\n");
	return EFI_ST_FAILURE;
	}

	/*
	* Test LocateHandleBuffer with AllHandles
	*/
	ret = boottime->locate_handle_buffer(ALL_HANDLES, NULL, NULL,
	&count, &buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandleBuffer with AllHandles failed\n");
	return EFI_ST_FAILURE;
	}
	buffer_size = count;
	ret = find_in_buffer(handle1, count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandleBuffer failed to locate new handle\n");
	return EFI_ST_FAILURE;
	}
	ret = find_in_buffer(handle2, count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandleBuffer failed to locate new handle\n");
	return EFI_ST_FAILURE;
	}
	/* Release buffer */
	ret = boottime->free_pool(buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("FreePool failed\n");
	return EFI_ST_FAILURE;
	}

	/*
	* Test error handling in UninstallMultipleProtocols
	*
	* These are the installed protocol interfaces on handle 2:
	*
	* guid1 interface4
	* guid2 interface2
	*
	* Try to uninstall more protocols than there are installed. This
	* should return an error EFI_INVALID_PARAMETER. All deleted protocols
	* should be reinstalled.
	*/
	ret = boottime->uninstall_multiple_protocol_interfaces(
	handle2,
	&guid1, &interface4,
	&guid2, &interface2,
	&guid3, &interface3,
	NULL);
	if (ret != EFI_INVALID_PARAMETER) {
	printf("%lx", ret);
	efi_st_error("UninstallMultipleProtocolInterfaces did not catch error\n");
	return EFI_ST_FAILURE;
	}

	/*
	* Test LocateHandleBuffer with ByProtocol
	*
	* These are the handles with a guid1 protocol interface installed:
	*
	* handle1, handle2
	*/
	count = buffer_size;
	ret = boottime->locate_handle_buffer(BY_PROTOCOL, &guid1, NULL,
	&count, &buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandleBuffer failed to locate new handles\n");
	return EFI_ST_FAILURE;
	}
	if (count != 2) {
	efi_st_error("UninstallMultipleProtocolInterfaces deleted handle\n");
	return EFI_ST_FAILURE;
	}
	ret = find_in_buffer(handle1, count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandleBuffer failed to locate new handle\n");
	return EFI_ST_FAILURE;
	}
	ret = find_in_buffer(handle2, count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandleBuffer failed to locate new handle\n");
	return EFI_ST_FAILURE;
	}
	/* Clear the buffer, we are reusing it it the next step. */
	boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0);

	/*
	* Test LocateHandle with ByProtocol
	*/
	count = buffer_size * sizeof(efi_handle_t);
	ret = boottime->locate_handle(BY_PROTOCOL, &guid1, NULL,
	&count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandle with ByProtocol failed\n");
	return EFI_ST_FAILURE;
	}
	if (count / sizeof(efi_handle_t) != 2) {
	efi_st_error("LocateHandle failed to locate new handles\n");
	return EFI_ST_FAILURE;
	}
	buffer_size = count;
	ret = find_in_buffer(handle1, count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandle failed to locate new handles\n");
	return EFI_ST_FAILURE;
	}
	ret = find_in_buffer(handle2, count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandle failed to locate new handles\n");
	return EFI_ST_FAILURE;
	}
	/* Release buffer */
	ret = boottime->free_pool(buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("FreePool failed\n");
	return EFI_ST_FAILURE;
	}

	/*
	* Test LocateProtocol
	*/
	ret = boottime->locate_protocol(&guid1, NULL, (void **)&interface);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateProtocol failed\n");
	return EFI_ST_FAILURE;
	}
	if (interface != &interface1 && interface != &interface4) {
	efi_st_error("LocateProtocol failed to locate protocol\n");
	return EFI_ST_FAILURE;
	}

	/*
	* Test UninstallMultipleProtocols
	*/
	ret = boottime->uninstall_multiple_protocol_interfaces(
	handle2,
	&guid1, &interface4,
	&guid2, &interface2,
	NULL);
	if (ret != EFI_SUCCESS) {
	efi_st_error("UninstallMultipleProtocolInterfaces failed\n");
	return EFI_ST_FAILURE;
	}
	/*
	* Check that the protocols are really uninstalled.
	*/
	count = buffer_size;
	ret = boottime->locate_handle_buffer(BY_PROTOCOL, &guid1, NULL,
	&count, &buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("LocateHandleBuffer failed\n");
	return EFI_ST_FAILURE;
	}
	if (count != 1) {
	efi_st_error("UninstallMultipleProtocolInterfaces failed to uninstall protocols\n");
	return EFI_ST_FAILURE;
	}
	ret = find_in_buffer(handle1, count, buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("Failed to locate new handle\n");
	return EFI_ST_FAILURE;
	}
	boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0);

	/*
	* Test ProtocolsPerHandle
	*/
	ret = boottime->protocols_per_handle(handle1,
	&prot_buffer, &prot_count);
	if (ret != EFI_SUCCESS) {
	efi_st_error("Failed to get protocols per handle\n");
	return EFI_ST_FAILURE;
	}
	if (prot_count != 2) {
	efi_st_error("Failed to get protocols per handle\n");
	return EFI_ST_FAILURE;
	}
	if (memcmp(prot_buffer[0], &guid1, 16) &&
	memcmp(prot_buffer[1], &guid1, 16)) {
	efi_st_error("Failed to get protocols per handle\n");
	return EFI_ST_FAILURE;
	}
	if (memcmp(prot_buffer[0], &guid3, 16) &&
	memcmp(prot_buffer[1], &guid3, 16)) {
	efi_st_error("Failed to get protocols per handle\n");
	return EFI_ST_FAILURE;
	}
	/* Release buffer */
	ret = boottime->free_pool(prot_buffer);
	if (ret != EFI_SUCCESS) {
	efi_st_error("FreePool failed\n");
	return EFI_ST_FAILURE;
	}

	/*
	* Uninstall remaining protocols
	*/
	ret = boottime->uninstall_protocol_interface(handle1, &guid1,
	&interface1);
	if (ret != EFI_SUCCESS) {
	efi_st_error("UninstallProtocolInterface failed\n");
	return EFI_ST_FAILURE;
	}
	ret = boottime->handle_protocol(handle1, &guid1, (void **)&interface);
	if (ret == EFI_SUCCESS) {
	efi_st_error("UninstallProtocolInterface failed\n");
	return EFI_ST_FAILURE;
	}
	ret = boottime->uninstall_protocol_interface(handle1, &guid3,
	&interface3);
	if (ret != EFI_SUCCESS) {
	efi_st_error("UninstallProtocolInterface failed\n");
	return EFI_ST_FAILURE;
	}

	return EFI_ST_SUCCESS;
	}

	EFI_UNIT_TEST(protserv) = {
	.name = "manage protocols",
	.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
	.setup = setup,
	.execute = execute,
	.teardown = teardown,
	};