Since we support QueryVariableInfo at runtime now add the relevant tests. Since we want those to be reusable at bootime, add them in a separate file
Add tests for - Test QueryVariableInfo returns EFI_SUCCESS - Test null pointers for the function arguments - Test invalid combination of attributes
Signed-off-by: Ilias Apalodimas ilias.apalodimas@linaro.org --- include/efi_selftest.h | 9 ++ lib/efi_selftest/Makefile | 1 + .../efi_selftest_variables_common.c | 102 ++++++++++++++++++ .../efi_selftest_variables_runtime.c | 10 +- 4 files changed, 118 insertions(+), 4 deletions(-) create mode 100644 lib/efi_selftest/efi_selftest_variables_common.c
diff --git a/include/efi_selftest.h b/include/efi_selftest.h index 5bcebb368287..ca7ae948663e 100644 --- a/include/efi_selftest.h +++ b/include/efi_selftest.h @@ -147,6 +147,15 @@ void *efi_st_get_config_table(const efi_guid_t *guid); */ u16 efi_st_get_key(void);
+/** + * efi_st_query_variable_common - Common variable tests for boottime/runtime + * + * @runtime: Pointer to services table + * + * Return: EFI_ST_SUCCESS/FAILURE + */ +int efi_st_query_variable_common(struct efi_runtime_services *runtime); + /** * struct efi_unit_test - EFI unit test * diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile index e4d75420bff6..414701893f65 100644 --- a/lib/efi_selftest/Makefile +++ b/lib/efi_selftest/Makefile @@ -45,6 +45,7 @@ efi_selftest_textinputex.o \ efi_selftest_textoutput.o \ efi_selftest_tpl.o \ efi_selftest_util.o \ +efi_selftest_variables_common.o \ efi_selftest_variables.o \ efi_selftest_variables_runtime.o \ efi_selftest_watchdog.o diff --git a/lib/efi_selftest/efi_selftest_variables_common.c b/lib/efi_selftest/efi_selftest_variables_common.c new file mode 100644 index 000000000000..36bdfe6ff9c3 --- /dev/null +++ b/lib/efi_selftest/efi_selftest_variables_common.c @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * efi_selftest_variables_runtime + * + * Copyright (c) 2024 Ilias Apalodimas ilias.apalodimas@linaro.org + * + * This unit test checks common service across boottime/runtime + */ + +#include <efi_selftest.h> + +#define EFI_INVALID_ATTR BIT(30) + +int efi_st_query_variable_common(struct efi_runtime_services *runtime) +{ + efi_status_t ret; + u64 max_storage, rem_storage, max_size; + + ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS, + &max_storage, &rem_storage, + &max_size); + if (ret != EFI_SUCCESS) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS, + NULL, &rem_storage, + &max_size); + if (ret != EFI_INVALID_PARAMETER) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS, + &max_storage, NULL, + &max_size); + if (ret != EFI_INVALID_PARAMETER) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS, + &max_storage, &rem_storage, + NULL); + if (ret != EFI_INVALID_PARAMETER) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + ret = runtime->query_variable_info(0, &max_storage, &rem_storage, + &max_size); + if (ret != EFI_INVALID_PARAMETER) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + ret = runtime->query_variable_info(EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | + EFI_VARIABLE_NON_VOLATILE, + &max_storage, &rem_storage, + &max_size); + if (ret != EFI_UNSUPPORTED) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + /* Use an attribute bit not described in the EFI spec */ + ret = runtime->query_variable_info(EFI_INVALID_ATTR, &max_storage, + &rem_storage, &max_size); + if (ret != EFI_UNSUPPORTED) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + ret = runtime->query_variable_info(EFI_VARIABLE_RUNTIME_ACCESS, &max_storage, &rem_storage, + &max_size); + if (ret != EFI_INVALID_PARAMETER) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + ret = runtime->query_variable_info(EFI_VARIABLE_NON_VOLATILE, &max_storage, &rem_storage, + &max_size); + if (ret != EFI_INVALID_PARAMETER) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + /* + * Use a mix existing/non-existing attribute bits from the + * UEFI spec + */ + ret = runtime->query_variable_info(EFI_INVALID_ATTR | EFI_VARIABLE_NON_VOLATILE, + &max_storage, &rem_storage, + &max_size); + if (ret != EFI_INVALID_PARAMETER) { + efi_st_error("QueryVariableInfo failed\n"); + return EFI_ST_FAILURE; + } + + return EFI_ST_SUCCESS; +} diff --git a/lib/efi_selftest/efi_selftest_variables_runtime.c b/lib/efi_selftest/efi_selftest_variables_runtime.c index 5794a7b2d405..6cb86771fe78 100644 --- a/lib/efi_selftest/efi_selftest_variables_runtime.c +++ b/lib/efi_selftest/efi_selftest_variables_runtime.c @@ -55,18 +55,20 @@ static int execute(void) u16 varname[EFI_ST_MAX_VARNAME_SIZE]; efi_guid_t guid; u64 max_storage, rem_storage, max_size; + int test_ret;
memset(v2, 0x1, sizeof(v2)); - ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS, - &max_storage, &rem_storage, - &max_size);
if (IS_ENABLED(CONFIG_EFI_VARIABLE_FILE_STORE)) { - if (ret != EFI_SUCCESS) { + test_ret = efi_st_query_variable_common(runtime); + if (test_ret != EFI_ST_SUCCESS) { efi_st_error("QueryVariableInfo failed\n"); return EFI_ST_FAILURE; } } else { + ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS, + &max_storage, &rem_storage, + &max_size); if (ret != EFI_UNSUPPORTED) { efi_st_error("QueryVariableInfo failed\n"); return EFI_ST_FAILURE;