drivers/misc/tzdev/tz_cred.h

/*
 * Copyright (C) 2012-2017, Samsung Electronics Co., Ltd.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __TZ_CRED_H__
#define __TZ_CRED_H__

#define UUID_SIZE		16

#define UUID_TIME_HI_MASK	0xFFF
#define UUID_VERSION		5
#define UUID_VERSION_SHIFT	12
#define UUID_CLOCK_SEC_MASK	0x3F

struct tz_uuid {
	uint32_t time_low;
	uint16_t time_mid;
	uint16_t time_hi_and_version;
	uint8_t clock_seq_and_node[8];
} __attribute__((packed));

struct tz_cred {
	uint32_t pid;
	uint32_t uid;
	uint32_t gid;
	struct tz_uuid uuid;
} __attribute__((packed));

int tz_format_cred(struct tz_cred *cred);

#endif /* __TZ_CRED_H__ */