kernel_samsung_a34x-permissive/drivers/tee/tzdev/4.2.0/tzdev_internal.h
2024-04-28 15:49:01 +02:00

128 lines
4.6 KiB
C
Executable file

/*
* Copyright (C) 2012-2019, 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 __TZDEV_INTERNAL_H__
#define __TZDEV_INTERNAL_H__
#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/version.h>
#include "tz_common.h"
#include "tzdev_smc.h"
#define TZDEV_DRIVER_VERSION(a,b,c) (((a) << 16) | ((b) << 8) | (c))
#define TZDEV_DRIVER_CODE TZDEV_DRIVER_VERSION(3,0,0)
#define SMC_NO(x) "" # x
#define SMC(x) "smc " SMC_NO(x)
#if defined(CONFIG_ARM)
#define REGISTERS_NAME "r"
#define ARCH_EXTENSION ".arch_extension sec\n"
#define PARAM_REGISTERS "r7"
#elif defined(CONFIG_ARM64)
#define REGISTERS_NAME "x"
#define ARCH_EXTENSION ""
#define PARAM_REGISTERS "x7","x8","x9","x10","x11","x12","x13","x14","x15","x16","x17"
#endif /* CONFIG_ARM */
#if defined(CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION)
#define TZDEV_SMC_MAGIC 0
#define TZDEV_SMC_COMMAND(fid) CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_AARCH_32, SMC_TOS0_SERVICE_MASK, (fid))
#else /* CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION */
#define TZDEV_SMC_MAGIC (0xE << 16)
#define TZDEV_SMC_COMMAND(fid) (fid)
#endif /* CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION */
#define TZDEV_SMC_CONNECT_AUX TZDEV_SMC_COMMAND(0)
#define TZDEV_SMC_CONNECT TZDEV_SMC_COMMAND(1)
#define TZDEV_SMC_SCHEDULE TZDEV_SMC_COMMAND(3)
#define TZDEV_SMC_SHMEM_LIST_REG TZDEV_SMC_COMMAND(6)
#define TZDEV_SMC_SHMEM_LIST_RLS TZDEV_SMC_COMMAND(7)
#define TZDEV_SMC_SYSCONF TZDEV_SMC_COMMAND(9)
#define TZDEV_SMC_TZ_PANIC_DUMP_INIT TZDEV_SMC_COMMAND(12)
#define TZDEV_SMC_CHECK_VERSION TZDEV_SMC_COMMAND(13)
#define TZDEV_SMC_BOOT_LOG_READ TZDEV_SMC_COMMAND(16)
#define TZDEV_SMC_PROFILER_CONTROL TZDEV_SMC_COMMAND(17)
#define TZDEV_SMC_SCMA_CMD TZDEV_SMC_COMMAND(18)
/* Define type for exchange with Secure kernel */
#if defined(CONFIG_TZDEV_SK_PFNS_64BIT)
typedef uint64_t sk_pfn_t;
#else /* CONFIG_TZDEV_SK_PFNS_64BIT */
typedef uint32_t sk_pfn_t;
#endif /* CONFIG_TZDEV_SK_PFNS_64BIT */
#if defined(CONFIG_TZDEV_SK_MULTICORE)
#define NR_SW_CPU_IDS nr_cpu_ids
#else /* CONFIG_TZDEV_SK_MULTICORE */
#define NR_SW_CPU_IDS 1
#endif /* CONFIG_TZDEV_SK_MULTICORE */
#define NR_SMC_ARGS 7
struct tzdev_smc_data {
uint32_t args[NR_SMC_ARGS];
};
int tzdev_smc(struct tzdev_smc_data *data);
#define tzdev_smc_cmd(p0, p1, p2, p3, p4, p5, p6) \
({ \
int ret; \
struct tzdev_smc_data data = { .args = {p0, p1, p2, p3, p4, p5, p6} }; \
\
ret = tzdev_smc(&data); \
\
if (!ret) \
ret = data.args[0]; \
\
ret; \
})
#define tzdev_smc_cmd_extended(p0, p1, p2, p3, p4, p5, p6) \
({ \
int ret; \
struct tzdev_smc_data data = { .args = {p0, p1, p2, p3, p4, p5, p6} }; \
\
ret = tzdev_smc(&data); \
\
if (ret) \
data.args[0] = ret; \
\
data; \
})
#define tzdev_smc_schedule() tzdev_smc_cmd(TZDEV_SMC_SCHEDULE, 0, 0, 0, 0, 0, 0)
#define tzdev_smc_connect_aux(pfn) tzdev_smc_cmd(TZDEV_SMC_CONNECT_AUX, (pfn), 0, 0, 0, 0, 0)
#define tzdev_smc_connect(mode, nr_pages) tzdev_smc_cmd(TZDEV_SMC_CONNECT, (mode), (nr_pages), 0, 0, 0, 0)
#define tzdev_smc_shmem_list_reg(id, total_pfns, flags) tzdev_smc_cmd(TZDEV_SMC_SHMEM_LIST_REG, (id), (total_pfns), (flags), 0, 0, 0)
#define tzdev_smc_shmem_list_rls(id) tzdev_smc_cmd(TZDEV_SMC_SHMEM_LIST_RLS, (id), 0, 0, 0, 0, 0)
#define tzdev_smc_sysconf() tzdev_smc_cmd(TZDEV_SMC_SYSCONF, 0, 0, 0, 0, 0, 0)
#define tzdev_smc_tz_panic_dump_init() tzdev_smc_cmd(TZDEV_SMC_TZ_PANIC_DUMP_INIT, 0, 0, 0, 0, 0, 0)
#define tzdev_smc_check_version() tzdev_smc_cmd(TZDEV_SMC_CHECK_VERSION, LINUX_VERSION_CODE, TZDEV_DRIVER_CODE, 0, 0, 0, 0)
#define tzdev_smc_scma_cmd(cmd) tzdev_smc_cmd(TZDEV_SMC_SCMA_CMD, cmd, 0, 0, 0, 0, 0)
#define tzdev_smc_boot_log_read(pfn, nr_pages) tzdev_smc_cmd(TZDEV_SMC_BOOT_LOG_READ, (pfn), (nr_pages), 0, 0, 0, 0)
#define tzdev_smc_profiler_control(cmd, arg) tzdev_smc_cmd(TZDEV_SMC_PROFILER_CONTROL, (cmd), (arg), 0, 0, 0, 0)
struct tzio_sysconf *tzdev_sysconf(void);
int tzdev_run_init_sequence(void);
void tzdev_run_fini_sequence(void);
void tzdev_set_nwd_sysconf_flag(unsigned int flag);
#endif /* __TZDEV_INTERNAL_H__ */