A bunch of #defines and structs copied over from edk2,
mostly needed to decode and encode the messages in the
communication buffer.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
include/hw/uefi/var-service-edk2.h | 184 +++++++++++++++++++++++++++++
1 file changed, 184 insertions(+)
create mode 100644 include/hw/uefi/var-service-edk2.h
diff --git a/include/hw/uefi/var-service-edk2.h
b/include/hw/uefi/var-service-edk2.h
new file mode 100644
index 000000000000..354b74d1d71c
--- /dev/null
+++ b/include/hw/uefi/var-service-edk2.h
@@ -0,0 +1,184 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * uefi-vars device - structs and defines from edk2
+ *
+ * Note: The edk2 UINTN type has been mapped to uint64_t,
+ * so the structs are compatible with 64bit edk2 builds.
+ */
+#ifndef QEMU_UEFI_VAR_SERVICE_EDK2_H
+#define QEMU_UEFI_VAR_SERVICE_EDK2_H
+
+#include "qemu/uuid.h"
+
+#define MAX_BIT 0x8000000000000000ULL
+#define ENCODE_ERROR(StatusCode) (MAX_BIT | (StatusCode))
+#define EFI_SUCCESS 0
+#define EFI_INVALID_PARAMETER ENCODE_ERROR(2)
+#define EFI_UNSUPPORTED ENCODE_ERROR(3)
+#define EFI_BAD_BUFFER_SIZE ENCODE_ERROR(4)
+#define EFI_BUFFER_TOO_SMALL ENCODE_ERROR(5)
+#define EFI_WRITE_PROTECTED ENCODE_ERROR(8)
+#define EFI_OUT_OF_RESOURCES ENCODE_ERROR(9)
+#define EFI_NOT_FOUND ENCODE_ERROR(14)
+#define EFI_ACCESS_DENIED ENCODE_ERROR(15)
+#define EFI_ALREADY_STARTED ENCODE_ERROR(20)
+
+#define EFI_VARIABLE_NON_VOLATILE 0x01
+#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x02
+#define EFI_VARIABLE_RUNTIME_ACCESS 0x04
+#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x08
+#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x10 // deprecated
+#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x20
+#define EFI_VARIABLE_APPEND_WRITE 0x40
+
+/* SecureBootEnable */
+#define SECURE_BOOT_ENABLE 1
+#define SECURE_BOOT_DISABLE 0
+
+/* SecureBoot */
+#define SECURE_BOOT_MODE_ENABLE 1
+#define SECURE_BOOT_MODE_DISABLE 0
+
+/* CustomMode */
+#define CUSTOM_SECURE_BOOT_MODE 1
+#define STANDARD_SECURE_BOOT_MODE 0
+
+/* SetupMode */
+#define SETUP_MODE 1
+#define USER_MODE 0
+
+typedef uint64_t efi_status;
+typedef struct mm_header mm_header;
+
+/* EFI_MM_COMMUNICATE_HEADER */
+struct mm_header {
+ QemuUUID guid;
+ uint64_t length;
+};
+
+/* --- EfiSmmVariableProtocol ---------------------------------------- */
+
+#define SMM_VARIABLE_FUNCTION_GET_VARIABLE 1
+#define SMM_VARIABLE_FUNCTION_GET_NEXT_VARIABLE_NAME 2
+#define SMM_VARIABLE_FUNCTION_SET_VARIABLE 3
+#define SMM_VARIABLE_FUNCTION_QUERY_VARIABLE_INFO 4
+#define SMM_VARIABLE_FUNCTION_READY_TO_BOOT 5
+#define SMM_VARIABLE_FUNCTION_EXIT_BOOT_SERVICE 6
+#define SMM_VARIABLE_FUNCTION_LOCK_VARIABLE 8
+#define SMM_VARIABLE_FUNCTION_GET_PAYLOAD_SIZE 11
+
+typedef struct mm_variable mm_variable;
+typedef struct mm_variable_access mm_variable_access;
+typedef struct mm_next_variable mm_next_variable;
+typedef struct mm_next_variable mm_lock_variable;
+typedef struct mm_variable_info mm_variable_info;
+typedef struct mm_get_payload_size mm_get_payload_size;
+
+/* SMM_VARIABLE_COMMUNICATE_HEADER */
+struct mm_variable {
+ uint64_t function;
+ uint64_t status;
+};
+
+/* SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE */
+struct QEMU_PACKED mm_variable_access {
+ QemuUUID guid;
+ uint64_t data_size;
+ uint64_t name_size;
+ uint32_t attributes;
+ /* Name */
+ /* Data */
+};
+
+/* SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME */
+struct mm_next_variable {
+ QemuUUID guid;
+ uint64_t name_size;
+ /* Name */
+};
+
+/* SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO */
+struct QEMU_PACKED mm_variable_info {
+ uint64_t max_storage_size;
+ uint64_t free_storage_size;
+ uint64_t max_variable_size;
+ uint32_t attributes;
+};
+
+/* SMM_VARIABLE_COMMUNICATE_GET_PAYLOAD_SIZE */
+struct mm_get_payload_size {
+ uint64_t payload_size;
+};
+
+/* --- VarCheckPolicyLibMmiHandler ----------------------------------- */
+
+#define VAR_CHECK_POLICY_COMMAND_DISABLE 0x01
+#define VAR_CHECK_POLICY_COMMAND_IS_ENABLED 0x02
+#define VAR_CHECK_POLICY_COMMAND_REGISTER 0x03
+#define VAR_CHECK_POLICY_COMMAND_DUMP 0x04
+#define VAR_CHECK_POLICY_COMMAND_LOCK 0x05
+
+typedef struct mm_check_policy mm_check_policy;
+typedef struct mm_check_policy_is_enabled mm_check_policy_is_enabled;
+typedef struct mm_check_policy_dump_params mm_check_policy_dump_params;
+
+/* VAR_CHECK_POLICY_COMM_HEADER */
+struct QEMU_PACKED mm_check_policy {
+ uint32_t signature;
+ uint32_t revision;
+ uint32_t command;
+ uint64_t result;
+};
+
+/* VAR_CHECK_POLICY_COMM_IS_ENABLED_PARAMS */
+struct QEMU_PACKED mm_check_policy_is_enabled {
+ uint8_t state;
+};
+
+/* VAR_CHECK_POLICY_COMM_DUMP_PARAMS */
+struct QEMU_PACKED mm_check_policy_dump_params {
+ uint32_t page_requested;
+ uint32_t total_size;
+ uint32_t page_size;
+ uint8_t has_more;
+};
+
+/* --- Edk2VariablePolicyProtocol ------------------------------------ */
+
+#define VARIABLE_POLICY_ENTRY_REVISION 0x00010000
+
+#define VARIABLE_POLICY_TYPE_NO_LOCK 0
+#define VARIABLE_POLICY_TYPE_LOCK_NOW 1
+#define VARIABLE_POLICY_TYPE_LOCK_ON_CREATE 2
+#define VARIABLE_POLICY_TYPE_LOCK_ON_VAR_STATE 3
+
+typedef struct variable_policy_entry variable_policy_entry;
+typedef struct variable_lock_on_var_state variable_lock_on_var_state;
+
+/* VARIABLE_POLICY_ENTRY */
+struct variable_policy_entry {
+ uint32_t version;
+ uint16_t size;
+ uint16_t offset_to_name;
+ QemuUUID namespace;
+ uint32_t min_size;
+ uint32_t max_size;
+ uint32_t attributes_must_have;
+ uint32_t attributes_cant_have;
+ uint8_t lock_policy_type;
+ uint8_t padding[3];
+ /* LockPolicy */
+ /* Name */
+};
+
+/* VARIABLE_LOCK_ON_VAR_STATE_POLICY */
+struct variable_lock_on_var_state {
+ QemuUUID namespace;
+ uint8_t value;
+ uint8_t padding;
+ /* Name */
+};
+
+
+#endif /* QEMU_UEFI_VAR_SERVICE_EDK2_H */
--
2.41.0
