141 lines
4.9 KiB
C
Executable File
141 lines
4.9 KiB
C
Executable File
/*
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* Copyright (C) 2012-2017, Samsung Electronics Co., Ltd.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __TZDEV_H__
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#define __TZDEV_H__
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#include <linux/compiler.h>
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#include <linux/list.h>
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#include <linux/mutex.h>
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <linux/version.h>
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#include "tz_cdev.h"
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#include "tz_common.h"
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#include "tz_iwlog.h"
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#include "tz_iwlog_polling.h"
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#include "tz_hotplug.h"
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#include "tzdev_smc.h"
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#include "tzlog.h"
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#include "tzprofiler.h"
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#define TZDEV_DRIVER_VERSION(a,b,c) (((a) << 16) | ((b) << 8) | (c))
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#define TZDEV_DRIVER_CODE TZDEV_DRIVER_VERSION(3,0,0)
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#define SMC_NO(x) "" # x
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#define SMC(x) "smc " SMC_NO(x)
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#if defined(CONFIG_ARM)
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#define REGISTERS_NAME "r"
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#define ARCH_EXTENSION ".arch_extension sec\n"
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#elif defined(CONFIG_ARM64)
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#define REGISTERS_NAME "x"
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#define ARCH_EXTENSION ""
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#endif /* CONFIG_ARM */
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#if defined(CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION)
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#define TZDEV_SMC_MAGIC 0
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#define TZDEV_SMC_COMMAND(fid) CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_AARCH_32, SMC_TOS0_SERVICE_MASK, (fid))
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#else /* CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION */
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#define TZDEV_SMC_MAGIC (0xE << 16)
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#define TZDEV_SMC_COMMAND(fid) (fid)
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#endif /* CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION */
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#define TZDEV_SMC_CONNECT_AUX TZDEV_SMC_COMMAND(0)
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#define TZDEV_SMC_CONNECT TZDEV_SMC_COMMAND(1)
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#define TZDEV_SMC_TELEMETRY_CONTROL TZDEV_SMC_COMMAND(2)
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#define TZDEV_SMC_SCHEDULE TZDEV_SMC_COMMAND(3)
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#define TZDEV_SMC_SHMEM_LIST_REG TZDEV_SMC_COMMAND(6)
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#define TZDEV_SMC_SHMEM_LIST_RLS TZDEV_SMC_COMMAND(7)
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#define TZDEV_SMC_SYSCONF TZDEV_SMC_COMMAND(9)
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#define TZDEV_SMC_TZ_PANIC_DUMP_INIT TZDEV_SMC_COMMAND(12)
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#define TZDEV_SMC_CHECK_VERSION TZDEV_SMC_COMMAND(13)
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#define TZDEV_SMC_MEM_REG TZDEV_SMC_COMMAND(14)
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#define TZDEV_SMC_BOOT_LOG_READ TZDEV_SMC_COMMAND(16)
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#define TZDEV_SMC_PROFILER_CONTROL TZDEV_SMC_COMMAND(17)
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struct tzdev_fd_data {
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struct list_head shmem_list;
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spinlock_t shmem_list_lock;
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unsigned int crypto_clk_state;
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unsigned int boost_state;
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struct mutex mutex;
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};
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/* Define type for exchange with Secure kernel */
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#if defined(CONFIG_TZDEV_SK_PFNS_64BIT)
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typedef uint64_t sk_pfn_t;
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#else /* CONFIG_TZDEV_SK_PFNS_64BIT */
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typedef uint32_t sk_pfn_t;
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#endif /* CONFIG_TZDEV_SK_PFNS_64BIT */
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#if defined(CONFIG_TZDEV_SK_MULTICORE)
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#define NR_SW_CPU_IDS nr_cpu_ids
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#else /* CONFIG_TZDEV_SK_MULTICORE */
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#define NR_SW_CPU_IDS 1
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#endif /* CONFIG_TZDEV_SK_MULTICORE */
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#define NR_SMC_ARGS 7
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struct tzdev_smc_data {
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uint32_t args[NR_SMC_ARGS];
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};
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int __tzdev_smc_cmd(struct tzdev_smc_data *data);
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#define tzdev_smc_cmd(p0, p1, p2, p3, p4, p5, p6) \
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({ \
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int ret; \
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struct tzdev_smc_data data = { .args = {p0, p1, p2, p3, p4, p5, p6} }; \
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\
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ret = __tzdev_smc_cmd(&data); \
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\
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if (!ret) \
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ret = data.args[0]; \
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\
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ret; \
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})
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#define tzdev_smc_cmd_extended(p0, p1, p2, p3, p4, p5, p6) \
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({ \
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int ret; \
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struct tzdev_smc_data data = { .args = {p0, p1, p2, p3, p4, p5, p6} }; \
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\
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ret = __tzdev_smc_cmd(&data); \
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\
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if (ret) \
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data.args[0] = ret; \
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\
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data; \
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})
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#define tzdev_smc_schedule() tzdev_smc_cmd(TZDEV_SMC_SCHEDULE, 0, 0, 0, 0, 0, 0)
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#define tzdev_smc_connect_aux(pfn) tzdev_smc_cmd(TZDEV_SMC_CONNECT_AUX, (pfn), 0, 0, 0, 0, 0)
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#define tzdev_smc_connect(mode, nr_pages) tzdev_smc_cmd(TZDEV_SMC_CONNECT, (mode), (nr_pages), 0, 0, 0, 0)
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#define tzdev_smc_telemetry_control(mode, type, arg) tzdev_smc_cmd(TZDEV_SMC_TELEMETRY_CONTROL, (mode), (type), (arg), 0, 0, 0)
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#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)
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#define tzdev_smc_shmem_list_rls(id) tzdev_smc_cmd(TZDEV_SMC_SHMEM_LIST_RLS, (id), 0, 0, 0, 0, 0)
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#define tzdev_smc_sysconf() tzdev_smc_cmd(TZDEV_SMC_SYSCONF, 0, 0, 0, 0, 0, 0)
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#define tzdev_smc_tz_panic_dump_init() tzdev_smc_cmd(TZDEV_SMC_TZ_PANIC_DUMP_INIT, 0, 0, 0, 0, 0, 0)
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#define tzdev_smc_check_version() tzdev_smc_cmd(TZDEV_SMC_CHECK_VERSION, LINUX_VERSION_CODE, TZDEV_DRIVER_CODE, 0, 0, 0, 0)
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#define tzdev_smc_mem_reg(pfn, order) tzdev_smc_cmd(TZDEV_SMC_MEM_REG, (pfn), (order), 0, 0, 0, 0)
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#define tzdev_smc_boot_log_read(pfn, nr_pages) tzdev_smc_cmd(TZDEV_SMC_BOOT_LOG_READ, (pfn), (nr_pages), 0, 0, 0, 0)
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#define tzdev_smc_profiler_control(cmd, arg) tzdev_smc_cmd(TZDEV_SMC_PROFILER_CONTROL, (cmd), (arg), 0, 0, 0, 0)
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int tzdev_run_init_sequence(void);
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struct tz_cdev *tzdev_get_cdev(void);
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#endif /* __TZDEV_H__ */
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