[PATCH 6/7] efi_selftest: simplify efi_selftest_variables

Ilias Apalodimas ilias.apalodimas at linaro.org
Tue Dec 2 13:42:09 CET 2025


On Fri, 14 Nov 2025 at 11:33, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> Use global st_boottime and st_runtime.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>

Acked-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>

> ---
>  lib/efi_selftest/efi_selftest_variables.c | 118 +++++++++-------------
>  1 file changed, 50 insertions(+), 68 deletions(-)
>
> diff --git a/lib/efi_selftest/efi_selftest_variables.c b/lib/efi_selftest/efi_selftest_variables.c
> index b92c3276b61..976eee8dcef 100644
> --- a/lib/efi_selftest/efi_selftest_variables.c
> +++ b/lib/efi_selftest/efi_selftest_variables.c
> @@ -13,8 +13,6 @@
>  #define EFI_ST_MAX_DATA_SIZE 16
>  #define EFI_ST_MAX_VARNAME_SIZE 80
>
> -static struct efi_boot_services *boottime;
> -static struct efi_runtime_services *runtime;
>  static const efi_guid_t guid_vendor0 =
>         EFI_GUID(0x67029eb5, 0x0af2, 0xf6b1,
>                  0xda, 0x53, 0xfc, 0xb5, 0x66, 0xdd, 0x1c, 0xe6);
> @@ -22,21 +20,6 @@ static const efi_guid_t guid_vendor1 =
>         EFI_GUID(0xff629290, 0x1fc1, 0xd73f,
>                  0x8f, 0xb1, 0x32, 0xf9, 0x0c, 0xa0, 0x42, 0xea);
>
> -/*
> - * Setup unit test.
> - *
> - * @handle     handle of the loaded image
> - * @systable   system table
> - */
> -static int setup(const efi_handle_t img_handle,
> -                const struct efi_system_table *systable)
> -{
> -       boottime = systable->boottime;
> -       runtime = systable->runtime;
> -
> -       return EFI_ST_SUCCESS;
> -}
> -
>  /*
>   * Execute unit test.
>   */
> @@ -59,17 +42,17 @@ static int execute(void)
>                 return EFI_ST_FAILURE;
>         }
>         /* Set variable 0 */
> -       ret = runtime->set_variable(u"efi_st_var0", &guid_vendor0,
> -                                   EFI_VARIABLE_BOOTSERVICE_ACCESS,
> -                                   3, v + 4);
> +       ret = st_runtime->set_variable(u"efi_st_var0", &guid_vendor0,
> +                                      EFI_VARIABLE_BOOTSERVICE_ACCESS, 3,
> +                                      v + 4);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("SetVariable failed\n");
>                 return EFI_ST_FAILURE;
>         }
>         data[3] = 0xff;
>         len = 3;
> -       ret = runtime->get_variable(u"efi_st_var0", &guid_vendor0,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_st_var0", &guid_vendor0, &attr,
> +                                      &len, data);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("GetVariable failed\n");
>                 return EFI_ST_FAILURE;
> @@ -83,16 +66,15 @@ static int execute(void)
>                 return EFI_ST_FAILURE;
>         }
>         /* Set variable 1 */
> -       ret = runtime->set_variable(u"efi_st_var1", &guid_vendor1,
> -                                   EFI_VARIABLE_BOOTSERVICE_ACCESS,
> -                                   8, v);
> +       ret = st_runtime->set_variable(u"efi_st_var1", &guid_vendor1,
> +                                      EFI_VARIABLE_BOOTSERVICE_ACCESS, 8, v);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("SetVariable failed\n");
>                 return EFI_ST_FAILURE;
>         }
>         len = EFI_ST_MAX_DATA_SIZE;
> -       ret = runtime->get_variable(u"efi_st_var1", &guid_vendor1,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_st_var1", &guid_vendor1, &attr,
> +                                      &len, data);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("GetVariable failed\n");
>                 return EFI_ST_FAILURE;
> @@ -107,17 +89,17 @@ static int execute(void)
>                 return EFI_ST_FAILURE;
>         }
>         /* Append variable 1 */
> -       ret = runtime->set_variable(u"efi_st_var1", &guid_vendor1,
> -                                   EFI_VARIABLE_BOOTSERVICE_ACCESS |
> -                                   EFI_VARIABLE_APPEND_WRITE,
> -                                   7, v + 8);
> +       ret = st_runtime->set_variable(u"efi_st_var1", &guid_vendor1,
> +                                      EFI_VARIABLE_BOOTSERVICE_ACCESS |
> +                                              EFI_VARIABLE_APPEND_WRITE,
> +                                      7, v + 8);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("SetVariable(APPEND_WRITE) failed\n");
>                 return EFI_ST_FAILURE;
>         }
>         len = EFI_ST_MAX_DATA_SIZE;
> -       ret = runtime->get_variable(u"efi_st_var1", &guid_vendor1,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_st_var1", &guid_vendor1, &attr,
> +                                      &len, data);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("GetVariable failed\n");
>                 return EFI_ST_FAILURE;
> @@ -129,34 +111,35 @@ static int execute(void)
>                 efi_st_todo("GetVariable returned wrong value\n");
>
>         /* Append variable 2, write to non-existent variable with datasize=0 */
> -       ret = runtime->set_variable(u"efi_none", &guid_vendor1,
> -                                   EFI_VARIABLE_BOOTSERVICE_ACCESS |
> -                                   EFI_VARIABLE_APPEND_WRITE,
> -                                   0, v);
> +       ret = st_runtime->set_variable(u"efi_none", &guid_vendor1,
> +                                      EFI_VARIABLE_BOOTSERVICE_ACCESS |
> +                                              EFI_VARIABLE_APPEND_WRITE,
> +                                      0, v);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error(
>                         "SetVariable(APPEND_WRITE) with size 0 to non-existent variable returns wrong code\n");
>                 return EFI_ST_FAILURE;
>         }
>         len = EFI_ST_MAX_DATA_SIZE;
> -       ret = runtime->get_variable(u"efi_none", &guid_vendor1,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_none", &guid_vendor1, &attr, &len,
> +                                      data);
>         if (ret != EFI_NOT_FOUND) {
>                 efi_st_error("Variable must not be created\n");
>                 return EFI_ST_FAILURE;
>         }
>         /* Append variable 2, write to non-existent variable with valid data size*/
> -       ret = runtime->set_variable(u"efi_none", &guid_vendor1,
> -                                   EFI_VARIABLE_BOOTSERVICE_ACCESS |
> -                                   EFI_VARIABLE_APPEND_WRITE,
> -                                   15, v);
> +       ret = st_runtime->set_variable(u"efi_none", &guid_vendor1,
> +                                      EFI_VARIABLE_BOOTSERVICE_ACCESS |
> +                                              EFI_VARIABLE_APPEND_WRITE,
> +                                      15, v);
>         if (ret != EFI_SUCCESS) {
> -               efi_st_error("SetVariable(APPEND_WRITE) with valid size and data to non-existent variable must be succcessful\n");
> +               efi_st_error(
> +                       "SetVariable(APPEND_WRITE) with valid size and data to non-existent variable must be succcessful\n");
>                 return EFI_ST_FAILURE;
>         }
>         len = EFI_ST_MAX_DATA_SIZE;
> -       ret = runtime->get_variable(u"efi_none", &guid_vendor1,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_none", &guid_vendor1, &attr, &len,
> +                                      data);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("GetVariable failed\n");
>                 return EFI_ST_FAILURE;
> @@ -167,61 +150,60 @@ static int execute(void)
>         if (memcmp(data, v, len))
>                 efi_st_todo("GetVariable returned wrong value\n");
>         /* Delete variable efi_none */
> -       ret = runtime->set_variable(u"efi_none", &guid_vendor1,
> -                                   0, 0, NULL);
> +       ret = st_runtime->set_variable(u"efi_none", &guid_vendor1, 0, 0, NULL);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("SetVariable failed\n");
>                 return EFI_ST_FAILURE;
>         }
>         len = EFI_ST_MAX_DATA_SIZE;
> -       ret = runtime->get_variable(u"efi_none", &guid_vendor1,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_none", &guid_vendor1, &attr, &len,
> +                                      data);
>         if (ret != EFI_NOT_FOUND) {
>                 efi_st_error("Variable was not deleted\n");
>                 return EFI_ST_FAILURE;
>         }
>         /* Enumerate variables */
>
> -       ret = runtime->get_next_variable_name(NULL, u"efi_st_var1", &guid);
> +       ret = st_runtime->get_next_variable_name(NULL, u"efi_st_var1", &guid);
>         if (ret != EFI_INVALID_PARAMETER) {
>                 efi_st_error("GetNextVariableName missing parameter check\n");
>                 return EFI_ST_FAILURE;
>         }
>
>         len = 24;
> -       ret = runtime->get_next_variable_name(&len, NULL, &guid);
> +       ret = st_runtime->get_next_variable_name(&len, NULL, &guid);
>         if (ret != EFI_INVALID_PARAMETER) {
>                 efi_st_error("GetNextVariableName missing parameter check\n");
>                 return EFI_ST_FAILURE;
>         }
>
>         len = 24;
> -       ret = runtime->get_next_variable_name(&len, u"efi_st_var1", NULL);
> +       ret = st_runtime->get_next_variable_name(&len, u"efi_st_var1", NULL);
>         if (ret != EFI_INVALID_PARAMETER) {
>                 efi_st_error("GetNextVariableName missing parameter check\n");
>                 return EFI_ST_FAILURE;
>         }
>
>         len = 1;
> -       ret = runtime->get_next_variable_name(&len, u"", &guid);
> +       ret = st_runtime->get_next_variable_name(&len, u"", &guid);
>         if (ret != EFI_INVALID_PARAMETER) {
>                 efi_st_error("GetNextVariableName missing parameter check\n");
>                 return EFI_ST_FAILURE;
>         }
>
>         len = 16;
> -       ret = runtime->get_next_variable_name(&len, u"efi_st_var1", &guid);
> +       ret = st_runtime->get_next_variable_name(&len, u"efi_st_var1", &guid);
>         if (ret != EFI_INVALID_PARAMETER) {
>                 efi_st_error("GetNextVariableName missing parameter check\n");
>                 return EFI_ST_FAILURE;
>         }
>
> -       boottime->set_mem(&guid, 16, 0);
> +       st_boottime->set_mem(&guid, 16, 0);
>         *varname = 0;
>         flag = 0;
>         for (;;) {
>                 len = EFI_ST_MAX_VARNAME_SIZE;
> -               ret = runtime->get_next_variable_name(&len, varname, &guid);
> +               ret = st_runtime->get_next_variable_name(&len, varname, &guid);
>                 if (ret == EFI_NOT_FOUND)
>                         break;
>                 if (ret != EFI_SUCCESS) {
> @@ -233,8 +215,9 @@ static int execute(void)
>                     !efi_st_strcmp_16_8(varname, "efi_st_var0")) {
>                         flag |= 1;
>                         if (len != 24) {
> -                               efi_st_error("GetNextVariableName report wrong length %u, expected 24\n",
> -                                            (unsigned int)len);
> +                               efi_st_error(
> +                                       "GetNextVariableName report wrong length %u, expected 24\n",
> +                                       (unsigned int)len);
>                                 return EFI_ST_FAILURE;
>                         }
>                 }
> @@ -248,29 +231,29 @@ static int execute(void)
>                 return EFI_ST_FAILURE;
>         }
>         /* Delete variable 1 */
> -       ret = runtime->set_variable(u"efi_st_var1", &guid_vendor1,
> -                                   0, 0, NULL);
> +       ret = st_runtime->set_variable(u"efi_st_var1", &guid_vendor1, 0, 0,
> +                                      NULL);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("SetVariable failed\n");
>                 return EFI_ST_FAILURE;
>         }
>         len = EFI_ST_MAX_DATA_SIZE;
> -       ret = runtime->get_variable(u"efi_st_var1", &guid_vendor1,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_st_var1", &guid_vendor1, &attr,
> +                                      &len, data);
>         if (ret != EFI_NOT_FOUND) {
>                 efi_st_error("Variable was not deleted\n");
>                 return EFI_ST_FAILURE;
>         }
>         /* Delete variable 0 */
> -       ret = runtime->set_variable(u"efi_st_var0", &guid_vendor0,
> -                                   0, 0, NULL);
> +       ret = st_runtime->set_variable(u"efi_st_var0", &guid_vendor0, 0, 0,
> +                                      NULL);
>         if (ret != EFI_SUCCESS) {
>                 efi_st_error("SetVariable failed\n");
>                 return EFI_ST_FAILURE;
>         }
>         len = EFI_ST_MAX_DATA_SIZE;
> -       ret = runtime->get_variable(u"efi_st_var0", &guid_vendor0,
> -                                   &attr, &len, data);
> +       ret = st_runtime->get_variable(u"efi_st_var0", &guid_vendor0, &attr,
> +                                      &len, data);
>         if (ret != EFI_NOT_FOUND) {
>                 efi_st_error("Variable was not deleted\n");
>                 return EFI_ST_FAILURE;
> @@ -282,6 +265,5 @@ static int execute(void)
>  EFI_UNIT_TEST(variables) = {
>         .name = "variables",
>         .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
> -       .setup = setup,
>         .execute = execute,
>  };
> --
> 2.51.0
>


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