/* SPDX-License-Identifier: GPL-2.0 */

/*
 * Copyright (c) 2019 MediaTek Inc.
 */

/*
 * GenieZone (hypervisor-based seucrity platform) enables hardware protected
 * and isolated security execution environment, includes
 * 1. GZ hypervisor
 * 2. Hypervisor-TEE OS (built-in Trusty OS)
 * 3. Drivers (ex: debug, communication and interrupt) for GZ and
 *    hypervisor-TEE OS
 * 4. GZ and hypervisor-TEE and GZ framework (supporting multiple TEE
 *    ecosystem, ex: M-TEE, Trusty, GlobalPlatform, ...)
 */


/** Commands for TA SYSTEM **/

#ifndef __TRUSTZONE_TA_SYSTEM__
#define __TRUSTZONE_TA_SYSTEM__

/* / Special handle for system connect. */
/* / NOTE: Handle manager guarantee normal handle will have bit31=0. */
#define MTEE_SESSION_HANDLE_SYSTEM 0xFFFF1234


/* Session Management */
#define TZCMD_SYS_INIT 0
#define TZCMD_SYS_SESSION_CREATE 1
#define TZCMD_SYS_SESSION_CLOSE 2
#define TZCMD_SYS_IRQ 3
#define TZCMD_SYS_THREAD_CREATE 4

#define GZ_MSG_DATA_MAX_LEN 1024
struct gz_syscall_cmd_param {
	int handle;
	int command;
	int ree_service;
	int payload_size;
	int paramTypes;
	int dummy[4];
	union MTEEC_PARAM param[4];
	char data[GZ_MSG_DATA_MAX_LEN];
};

#define GZ_MSG_HEADER_LEN                                                      \
	(sizeof(struct gz_syscall_cmd_param) - GZ_MSG_DATA_MAX_LEN)

extern struct platform_device *tz_system_dev;

#endif /* __TRUSTZONE_TA_SYSTEM__ */