/* SPDX-License-Identifier: BSD-2-Clause */
/*
 * Copyright (c) 2016, Linaro Limited
 */

/*
 * Interface with tee-supplicant for file operations
 */

#ifndef __TEE_TEE_FS_RPC_H
#define __TEE_TEE_FS_RPC_H

#include <stdbool.h>
#include <stddef.h>
#include <tee_api_types.h>
#include <tee/tee_fs.h>
#include <kernel/thread.h>

struct tee_fs_rpc_operation {
	uint32_t id;
	struct thread_param params[THREAD_RPC_MAX_NUM_PARAMS];
	size_t num_params;
};

struct tee_fs_dirfile_fileh;

TEE_Result tee_fs_rpc_open_dfh(uint32_t id,
			       const struct tee_fs_dirfile_fileh *dfh, int *fd);
TEE_Result tee_fs_rpc_create_dfh(uint32_t id,
				 const struct tee_fs_dirfile_fileh *dfh,
				 int *fd);
TEE_Result tee_fs_rpc_close(uint32_t id, int fd);

TEE_Result tee_fs_rpc_read_init(struct tee_fs_rpc_operation *op,
				uint32_t id, int fd, tee_fs_off_t offset,
				size_t data_len, void **out_data);
TEE_Result tee_fs_rpc_read_final(struct tee_fs_rpc_operation *op,
				 size_t *data_len);

TEE_Result tee_fs_rpc_write_init(struct tee_fs_rpc_operation *op,
				 uint32_t id, int fd, tee_fs_off_t offset,
				 size_t data_len, void **data);
TEE_Result tee_fs_rpc_write_final(struct tee_fs_rpc_operation *op);


TEE_Result tee_fs_rpc_truncate(uint32_t id, int fd, size_t len);
TEE_Result tee_fs_rpc_remove_dfh(uint32_t id,
				 const struct tee_fs_dirfile_fileh *dfh);
#endif /* __TEE_TEE_FS_RPC_H */