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a155-U-u1/kernel-5.10/drivers/tee/tzdev/4.2.1/extensions/irs.h
2024-03-11 06:53:12 +11:00

60 lines
1.7 KiB
C

/*
* Copyright (C) 2016 Samsung Electronics, Inc.
*
* 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 _TZIRS_H_
#define _TZIRS_H_
#include <linux/ioctl.h>
#include <linux/kconfig.h>
#define IOC_MAGIC 'h'
#define IOCTL_IRS_CMD _IOWR(IOC_MAGIC, 1, struct irs_ctx)
typedef struct irs_ctx {
uint32_t id; /* r1 - Flag ID */
uint32_t func_cmd; /* r2 - Function CMD */
uint32_t value; /* r3 - Value or irs_flag.param (IOCTL_ADD_FLAG) */
} irs_ctx_t;
typedef enum {
IRS_SET_FLAG_CMD = 1,
IRS_SET_FLAG_VALUE_CMD,
IRS_INC_FLAG_CMD,
IRS_GET_FLAG_VAL_CMD,
IRS_ADD_FLAG_CMD,
IRS_DEL_FLAG_CMD
} TZ_IRS_CMD;
typedef enum {
IRS_FAIL = -100, /* Fail result */
IRS_UNKNOWN_ID, /* Unknown flag id */
IRS_UNKNOWN_INT_CMD, /* Unknown internal command */
IRS_INCORRECT_FLAG_TYPE, /* Incorrect flag type (can be boolean, value or counter) */
IRS_RT_FLAGS_EMPTY, /* List of run-time flags is empty */
IRS_RT_FLAGS_FULL,
IRS_INCORRECT_RT_ID,
IRS_DENY_READ_FROM_SMC,
IRS_DENY_WRITE_FROM_SMC,
IRS_DENY_DELETE_FROM_SMC,
IRS_SUCCESS = 0 /*Success result*/
} TZ_IRS_ERR;
#if IS_MODULE(CONFIG_TZDEV)
int tzirs_init(void);
void tzirs_exit(void);
#endif
long tzirs_smc(unsigned long *p1, unsigned long *p2, unsigned long *p3);
#endif /* _TZIRS_H_ */