include/zircon_uboot/boot_args.h

/*
 * Copyright (c) 2020 The Fuchsia Authors
 *
 * SPDX-License-Identifier:	BSD-3-Clause
 */

#ifndef _ZIRCON_UBOOT_BOOT_ARGS_H_
#define _ZIRCON_UBOOT_BOOT_ARGS_H_

#include <linux/types.h>
#include <zircon_uboot/zircon.h>

/**
 * zircon_store_cmdline() - Copies and stores command line boot items
 * to be added later to the ZBI. This can be called multiple times to append
 * more items.
 *
 * @boot_arg: NULL terminated, space separated command line arguments.
 *             Within each argument, spaces are not permitted.
 *
 * Return 0 on success, negative value on error.
 */
int zircon_store_cmdline(const char *boot_arg);

/**
 * zircon_clear_stored_cmdline() - Clears stored boot args
 *
 * Return 0 on success, negative value on error.
 */
int zircon_clear_stored_cmdline(void);

/**
 * zircon_append_cmdline() - Adds stored command line ZBI items to the
 * given |zbi| container.
 *
 * @zbi: The ZBI container to add the boot args to.
 * @capacity: The ZBI container capacity.
 *
 * Return: 0 on success, negative value on error.
 */
int zircon_append_cmdline(zbi_header_t *zbi, size_t capacity);

#endif // _ZIRCON_UBOOT_BOOT_ARGS_H_