Merge tag 'efi-2024-07-rc2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request efi-2024-07-rc2

Documentation:

* correct description of 'env print -e'

UEFI:

* remove superfluous efi_restore_gd after EFI_CALL
* terminate efidebug test bootmgr early on error
* do not install device-tree if bootmgr fails
* pass GUID by address to efi_dp_from_lo
* remove dead code in efi_var_mem_init()
* enable QueryVariableInfo at runtime for file backed variables

1 files changed, 102 insertions, 0 deletions

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 00000000000..453bc8709a6
--- /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,
+				 u32 attributes)
+{
+	efi_status_t ret;
+	u64 max_storage, rem_storage, max_size;
+
+	ret = runtime->query_variable_info(attributes,
+					   &max_storage, &rem_storage,
+					   &max_size);
+	if (ret != EFI_SUCCESS) {
+		efi_st_error("QueryVariableInfo failed\n");
+		return EFI_ST_FAILURE;
+	} else if (!max_storage || !rem_storage || !max_size) {
+		efi_st_error("QueryVariableInfo: wrong info\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(attributes,
+					   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(attributes,
+					   &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(attributes,
+					   &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(attributes |
+					   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;
+	}
+
+	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(attributes | 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;
+}