1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * efi_selftest_variables_runtime
4 *
5 * Copyright (c) 2024 Ilias Apalodimas <ilias.apalodimas@linaro.org>
6 *
7 * This unit test checks common service across boottime/runtime
8 */
9
10 #include <efi_selftest.h>
11
12 #define EFI_INVALID_ATTR BIT(30)
13
efi_st_query_variable_common(struct efi_runtime_services * runtime,u32 attributes)14 int efi_st_query_variable_common(struct efi_runtime_services *runtime,
15 u32 attributes)
16 {
17 efi_status_t ret;
18 u64 max_storage, rem_storage, max_size;
19
20 ret = runtime->query_variable_info(attributes,
21 &max_storage, &rem_storage,
22 &max_size);
23 if (ret != EFI_SUCCESS) {
24 efi_st_error("QueryVariableInfo failed\n");
25 return EFI_ST_FAILURE;
26 } else if (!max_storage || !rem_storage || !max_size) {
27 efi_st_error("QueryVariableInfo: wrong info\n");
28 return EFI_ST_FAILURE;
29 }
30
31 ret = runtime->query_variable_info(EFI_VARIABLE_RUNTIME_ACCESS,
32 &max_storage, &rem_storage,
33 &max_size);
34 if (ret != EFI_INVALID_PARAMETER) {
35 efi_st_error("QueryVariableInfo failed\n");
36 return EFI_ST_FAILURE;
37 }
38
39 ret = runtime->query_variable_info(attributes,
40 NULL, &rem_storage,
41 &max_size);
42 if (ret != EFI_INVALID_PARAMETER) {
43 efi_st_error("QueryVariableInfo failed\n");
44 return EFI_ST_FAILURE;
45 }
46
47 ret = runtime->query_variable_info(attributes,
48 &max_storage, NULL,
49 &max_size);
50 if (ret != EFI_INVALID_PARAMETER) {
51 efi_st_error("QueryVariableInfo failed\n");
52 return EFI_ST_FAILURE;
53 }
54
55 ret = runtime->query_variable_info(attributes,
56 &max_storage, &rem_storage,
57 NULL);
58 if (ret != EFI_INVALID_PARAMETER) {
59 efi_st_error("QueryVariableInfo failed\n");
60 return EFI_ST_FAILURE;
61 }
62
63 ret = runtime->query_variable_info(0, &max_storage, &rem_storage,
64 &max_size);
65 if (ret != EFI_INVALID_PARAMETER) {
66 efi_st_error("QueryVariableInfo failed\n");
67 return EFI_ST_FAILURE;
68 }
69
70 ret = runtime->query_variable_info(attributes |
71 EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS |
72 EFI_VARIABLE_NON_VOLATILE,
73 &max_storage, &rem_storage,
74 &max_size);
75 if (ret != EFI_UNSUPPORTED) {
76 efi_st_error("QueryVariableInfo failed\n");
77 return EFI_ST_FAILURE;
78 }
79
80 ret = runtime->query_variable_info(EFI_VARIABLE_NON_VOLATILE,
81 &max_storage, &rem_storage,
82 &max_size);
83 if (ret != EFI_INVALID_PARAMETER) {
84 efi_st_error("QueryVariableInfo failed\n");
85 return EFI_ST_FAILURE;
86 }
87
88 /*
89 * Use a mix existing/non-existing attribute bits from the
90 * UEFI spec
91 */
92 ret = runtime->query_variable_info(attributes | EFI_INVALID_ATTR |
93 EFI_VARIABLE_NON_VOLATILE,
94 &max_storage, &rem_storage,
95 &max_size);
96 if (ret != EFI_INVALID_PARAMETER) {
97 efi_st_error("QueryVariableInfo failed\n");
98 return EFI_ST_FAILURE;
99 }
100
101 return EFI_ST_SUCCESS;
102 }
103