GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/include/avb_verify.h

@@ -0,0 +1,101 @@
+
+/*
+ * (C) Copyright 2018, Linaro Limited
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef	_AVB_VERIFY_H
+#define _AVB_VERIFY_H
+
+#include <../lib/libavb/libavb.h>
+#include <mapmem.h>
+#include <mmc.h>
+
+#define AVB_MAX_ARGS			1024
+#define VERITY_TABLE_OPT_RESTART	"restart_on_corruption"
+#define VERITY_TABLE_OPT_LOGGING	"ignore_corruption"
+#define ALLOWED_BUF_ALIGN		8
+
+enum avb_boot_state {
+	AVB_GREEN,
+	AVB_YELLOW,
+	AVB_ORANGE,
+	AVB_RED,
+};
+
+struct AvbOpsData {
+	struct AvbOps ops;
+	int mmc_dev;
+	enum avb_boot_state boot_state;
+#ifdef CONFIG_OPTEE_TA_AVB
+	struct udevice *tee;
+	u32 session;
+#endif
+};
+
+struct mmc_part {
+	int dev_num;
+	struct mmc *mmc;
+	struct blk_desc *mmc_blk;
+	disk_partition_t info;
+};
+
+enum mmc_io_type {
+	IO_READ,
+	IO_WRITE
+};
+
+AvbOps *avb_ops_alloc(int boot_device);
+void avb_ops_free(AvbOps *ops);
+
+char *avb_set_state(AvbOps *ops, enum avb_boot_state boot_state);
+char *avb_set_enforce_verity(const char *cmdline);
+char *avb_set_ignore_corruption(const char *cmdline);
+
+char *append_cmd_line(char *cmdline_orig, char *cmdline_new);
+
+/**
+ * ============================================================================
+ * I/O helper inline functions
+ * ============================================================================
+ */
+static inline uint64_t calc_offset(struct mmc_part *part, int64_t offset)
+{
+	u64 part_size = part->info.size * part->info.blksz;
+
+	if (offset < 0)
+		return part_size + offset;
+
+	return offset;
+}
+
+static inline size_t get_sector_buf_size(void)
+{
+	return (size_t)CONFIG_FASTBOOT_BUF_SIZE;
+}
+
+static inline void *get_sector_buf(void)
+{
+	return map_sysmem(CONFIG_FASTBOOT_BUF_ADDR, CONFIG_FASTBOOT_BUF_SIZE);
+}
+
+static inline bool is_buf_unaligned(void *buffer)
+{
+	return (bool)((uintptr_t)buffer % ALLOWED_BUF_ALIGN);
+}
+
+static inline int get_boot_device(AvbOps *ops)
+{
+	struct AvbOpsData *data;
+
+	if (ops) {
+		data = ops->user_data;
+		if (data)
+			return data->mmc_dev;
+	}
+
+	return -1;
+}
+
+#endif /* _AVB_VERIFY_H */