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	Provide a unit test for the variable services at runtime. Currently we expect EFI_UNSUPPORTED to be returned as the runtime implementation is still missing. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
		
			
				
	
	
		
			95 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * efi_selftest_variables_runtime
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|  *
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|  * Copyright (c) 2019 Heinrich Schuchardt <xypron.glpk@gmx.de>
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|  *
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|  * This unit test checks the runtime services for variables after
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|  * ExitBootServices():
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|  * GetVariable, GetNextVariableName, SetVariable, QueryVariableInfo.
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|  */
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| 
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| #include <efi_selftest.h>
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| 
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| #define EFI_ST_MAX_DATA_SIZE 16
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| #define EFI_ST_MAX_VARNAME_SIZE 40
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| 
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| static struct efi_boot_services *boottime;
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| static struct efi_runtime_services *runtime;
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| static const efi_guid_t guid_vendor0 =
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| 	EFI_GUID(0x67029eb5, 0x0af2, 0xf6b1,
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| 		 0xda, 0x53, 0xfc, 0xb5, 0x66, 0xdd, 0x1c, 0xe6);
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| 
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| /*
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|  * Setup unit test.
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|  *
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|  * @handle	handle of the loaded image
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|  * @systable	system table
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|  */
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| static int setup(const efi_handle_t img_handle,
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| 		 const struct efi_system_table *systable)
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| {
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| 	boottime = systable->boottime;
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| 	runtime = systable->runtime;
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| 
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| 	return EFI_ST_SUCCESS;
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| }
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| 
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| /**
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|  * execute() - execute unit test
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|  *
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|  * As runtime support is not implmented expect EFI_UNSUPPORTED to be returned.
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|  */
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| static int execute(void)
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| {
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| 	efi_status_t ret;
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| 	efi_uintn_t len;
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| 	u32 attr;
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| 	u8 v[16] = {0x5d, 0xd1, 0x5e, 0x51, 0x5a, 0x05, 0xc7, 0x0c,
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| 		    0x35, 0x4a, 0xae, 0x87, 0xa5, 0xdf, 0x0f, 0x65,};
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| 	u8 data[EFI_ST_MAX_DATA_SIZE];
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| 	u16 varname[EFI_ST_MAX_VARNAME_SIZE];
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| 	efi_guid_t guid;
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| 	u64 max_storage, rem_storage, max_size;
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| 
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| 	ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS,
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| 					   &max_storage, &rem_storage,
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| 					   &max_size);
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| 	if (ret != EFI_UNSUPPORTED) {
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| 		efi_st_error("QueryVariableInfo failed\n");
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| 		return EFI_ST_FAILURE;
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| 	}
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| 
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| 	ret = runtime->set_variable(L"efi_st_var0", &guid_vendor0,
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| 				    EFI_VARIABLE_BOOTSERVICE_ACCESS |
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| 				    EFI_VARIABLE_RUNTIME_ACCESS,
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| 				    3, v + 4);
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| 	if (ret != EFI_UNSUPPORTED) {
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| 		efi_st_error("SetVariable failed\n");
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| 		return EFI_ST_FAILURE;
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| 	}
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| 	len = 3;
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| 	ret = runtime->get_variable(L"efi_st_var0", &guid_vendor0,
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| 				    &attr, &len, data);
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| 	if (ret != EFI_UNSUPPORTED) {
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| 		efi_st_error("GetVariable failed\n");
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| 		return EFI_ST_FAILURE;
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| 	}
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| 	memset(&guid, 0, 16);
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| 	*varname = 0;
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| 	ret = runtime->get_next_variable_name(&len, varname, &guid);
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| 	if (ret != EFI_UNSUPPORTED) {
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| 		efi_st_error("GetNextVariableName failed\n");
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| 		return EFI_ST_FAILURE;
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| 	}
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| 
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| 	return EFI_ST_SUCCESS;
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| }
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| 
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| EFI_UNIT_TEST(variables_run) = {
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| 	.name = "variables at runtime",
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| 	.phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
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| 	.setup = setup,
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| 	.execute = execute,
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| };
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