/* * Copyright (C) 2012-2017 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 __TZDEV_H__ #define __TZDEV_H__ #include #include #include /* for linux kernel version information */ #include #include "tz_common.h" #include "tz_iwlog.h" #include "tz_iwlog_polling.h" #include "tz_hotplug.h" #include "tzdev_smc.h" #include "tzlog.h" #include "tzprofiler.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" #elif defined(CONFIG_ARM64) #define REGISTERS_NAME "x" #define ARCH_EXTENSION "" #endif /* CONFIG_ARM */ /* TODO: Need to check which version should be used */ #define SMC_CURRENT_AARCH SMC_AARCH_32 #define TZDEV_SMC_CONNECT_AUX_RAW 0 #define TZDEV_SMC_CONNECT_RAW 1 #define TZDEV_SMC_TELEMETRY_CONTROL_RAW 2 #define TZDEV_SMC_COMMMAND_RAW 3 #define TZDEV_SMC_SWD_RESTART_USERSPACE_RAW 4 #define TZDEV_SMC_GET_EVENT_RAW 5 #define TZDEV_SMC_SHMEM_LIST_REG_RAW 6 #define TZDEV_SMC_SHMEM_LIST_RLS_RAW 7 #define TZDEV_SMC_UPDATE_REE_TIME_RAW 8 #define TZDEV_SMC_GET_SWD_SYSCONF_RAW 9 #define TZDEV_SMC_TZ_PANIC_DUMP_INIT_RAW 12 #define TZDEV_SMC_CHECK_VERSION_RAW 13 #define TZDEV_SMC_MEM_REG_RAW 14 #define TZDEV_SMC_SHUTDOWN_RAW 15 #define TZDEV_SMC_BOOT_LOG_READ_RAW 16 #define TZDEV_SMC_PROFILER_CONTROL_RAW 17 #define TZDEV_SMC_NW_KERNEL_API_CMD_RAW 18 #define TZDEV_SMC_SPI_SET_CLOCK_SPEED_RAW 19 #if defined(CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION) #define TZDEV_SMC_MAGIC 0 #define TZDEV_SMC_CONNECT_AUX CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_CONNECT_AUX_RAW) #define TZDEV_SMC_CONNECT CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_CONNECT_RAW) #define TZDEV_SMC_TELEMETRY_CONTROL CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_TELEMETRY_CONTROL_RAW) #define TZDEV_SMC_COMMMAND CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_COMMMAND_RAW) #define TZDEV_SMC_SWD_RESTART_USERSPACE CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_SWD_RESTART_USERSPACE_RAW) #define TZDEV_SMC_GET_EVENT CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_GET_EVENT_RAW) #define TZDEV_SMC_SHMEM_LIST_REG CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_SHMEM_LIST_REG_RAW) #define TZDEV_SMC_SHMEM_LIST_RLS CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_SHMEM_LIST_RLS_RAW) #define TZDEV_SMC_UPDATE_REE_TIME CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_UPDATE_REE_TIME_RAW) #define TZDEV_SMC_GET_SWD_SYSCONF CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_GET_SWD_SYSCONF_RAW) #define TZDEV_SMC_TZ_PANIC_DUMP_INIT CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_TZ_PANIC_DUMP_INIT_RAW) #define TZDEV_SMC_CHECK_VERSION CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_CHECK_VERSION_RAW) #define TZDEV_SMC_MEM_REG CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_MEM_REG_RAW) #define TZDEV_SMC_SHUTDOWN CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_SHUTDOWN_RAW) #define TZDEV_SMC_BOOT_LOG_READ CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_BOOT_LOG_READ_RAW) #define TZDEV_SMC_PROFILER_CONTROL CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_PROFILER_CONTROL_RAW) #define TZDEV_SMC_NW_KERNEL_API_CMD CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_NW_KERNEL_API_CMD_RAW) #define TZDEV_SMC_SPI_SET_CLOCK_SPEED CREATE_SMC_CMD(SMC_TYPE_FAST, SMC_CURRENT_AARCH, SMC_TOS0_SERVICE_MASK, TZDEV_SMC_SPI_SET_CLOCK_SPEED_RAW) #else /* CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION */ #define TZDEV_SMC_MAGIC (0xE << 16) #define TZDEV_SMC_CONNECT_AUX TZDEV_SMC_CONNECT_AUX_RAW #define TZDEV_SMC_CONNECT TZDEV_SMC_CONNECT_RAW #define TZDEV_SMC_TELEMETRY_CONTROL TZDEV_SMC_TELEMETRY_CONTROL_RAW #define TZDEV_SMC_COMMMAND TZDEV_SMC_COMMMAND_RAW #define TZDEV_SMC_SWD_RESTART_USERSPACE TZDEV_SMC_SWD_RESTART_USERSPACE_RAW #define TZDEV_SMC_GET_EVENT TZDEV_SMC_GET_EVENT_RAW #define TZDEV_SMC_SHMEM_LIST_REG TZDEV_SMC_SHMEM_LIST_REG_RAW #define TZDEV_SMC_SHMEM_LIST_RLS TZDEV_SMC_SHMEM_LIST_RLS_RAW #define TZDEV_SMC_UPDATE_REE_TIME TZDEV_SMC_UPDATE_REE_TIME_RAW #define TZDEV_SMC_GET_SWD_SYSCONF TZDEV_SMC_GET_SWD_SYSCONF_RAW #define TZDEV_SMC_TZ_PANIC_DUMP_INIT TZDEV_SMC_TZ_PANIC_DUMP_INIT_RAW #define TZDEV_SMC_CHECK_VERSION TZDEV_SMC_CHECK_VERSION_RAW #define TZDEV_SMC_MEM_REG TZDEV_SMC_MEM_REG_RAW #define TZDEV_SMC_SHUTDOWN TZDEV_SMC_SHUTDOWN_RAW #define TZDEV_SMC_BOOT_LOG_READ TZDEV_SMC_BOOT_LOG_READ_RAW #define TZDEV_SMC_PROFILER_CONTROL TZDEV_SMC_PROFILER_CONTROL_RAW #define TZDEV_SMC_NW_KERNEL_API_CMD TZDEV_SMC_NW_KERNEL_API_CMD_RAW #define TZDEV_SMC_SPI_SET_CLOCK_SPEED TZDEV_SMC_SPI_SET_CLOCK_SPEED_RAW #endif /* CONFIG_TZDEV_USE_ARM_CALLING_CONVENTION */ #define TZDEV_SHMEM_REG 0x0 #define TZDEV_SHMEM_RLS 0x1 enum { TZDEV_PROFILER_CMD_START, TZDEV_PROFILER_CMD_STOP, TZDEV_PROFILER_CMD_SET_DEPTH, TZDEV_PROFILER_CMD_SET_UUID, TZDEV_PROFILER_CMD_SET_START_ADDR, TZDEV_PROFILER_CMD_SET_STOP_ADDR, TZDEV_PROFILER_CMD_SET_STEPS_NUMBER, TZDEV_PROFILER_CMD_COUNT, }; /* 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 TZDEV_TARGET_DEAD_MASK 0x80000000 #define TZDEV_PIPE_TARGET_DEAD_MASK (TZDEV_TARGET_DEAD_MASK | 0x0000ffff) int __tzdev_smc_cmd(struct tzio_smc_data *data, unsigned int swd_ctx_present); #define tzdev_smc_cmd(p0, p1, p2, p3, swd_ctx_present) \ ({ \ int ret; \ struct tzio_smc_data data = { .args = {p0, p1, p2, p3} }; \ ret = __tzdev_smc_cmd(&data, swd_ctx_present); \ \ if (!ret) \ ret = data.args[0]; \ \ ret; \ }) #define tzdev_smc_cmd_extended(p0, p1, p2, p3, swd_ctx_present) \ ({ \ int ret; \ struct tzio_smc_data data = { .args = {p0, p1, p2, p3} }; \ \ ret = __tzdev_smc_cmd(&data, swd_ctx_present); \ \ if (ret) \ data.args[0] = ret; \ \ data; \ }) #define tzdev_smc_command(tid, shm_id) tzdev_smc_cmd_extended(TZDEV_SMC_COMMMAND, (tid), (shm_id), 0x0ul, 1) #define tzdev_smc_get_event() tzdev_smc_cmd_extended(TZDEV_SMC_GET_EVENT, 0x0ul, 0x0ul, 0x0ul, 1) #define tzdev_smc_update_ree_time(tv_sec, tv_nsec) tzdev_smc_cmd_extended(TZDEV_SMC_UPDATE_REE_TIME, (tv_sec), (tv_nsec), 0x0ul, 1); #define tzdev_smc_connect_aux(pfn) tzdev_smc_cmd(TZDEV_SMC_CONNECT_AUX, (pfn), 0, 0, 0) #define tzdev_smc_connect(mode, nr_pages) tzdev_smc_cmd(TZDEV_SMC_CONNECT, (mode), (nr_pages), 0, 0) #define tzdev_smc_telemetry_control(mode, type, arg) tzdev_smc_cmd(TZDEV_SMC_TELEMETRY_CONTROL, (mode), (type), (arg), 0) #define tzdev_smc_swd_restart_userspace() tzdev_smc_cmd(TZDEV_SMC_SWD_RESTART_USERSPACE, 0x0ul, 0x0ul, 0x0ul, 0) #define tzdev_smc_shmem_list_reg(id, total_pfns, flags) tzdev_smc_cmd(TZDEV_SMC_SHMEM_LIST_REG, (id), (total_pfns), (flags), 0) #define tzdev_smc_shmem_list_rls(id) tzdev_smc_cmd(TZDEV_SMC_SHMEM_LIST_RLS, (id), 0x0ul, 0x0ul, 0) #define tzdev_smc_get_swd_sysconf() tzdev_smc_cmd(TZDEV_SMC_GET_SWD_SYSCONF, 0x0ul, 0x0ul, 0x0ul, 0) #define tzdev_smc_tz_panic_dump_init() tzdev_smc_cmd(TZDEV_SMC_TZ_PANIC_DUMP_INIT, LINUX_VERSION_CODE, TZDEV_DRIVER_CODE, 0x0ul, 0) #define tzdev_smc_check_version() tzdev_smc_cmd(TZDEV_SMC_CHECK_VERSION, LINUX_VERSION_CODE, TZDEV_DRIVER_CODE, 0x0ul, 0) #define tzdev_smc_mem_reg(pfn, order) tzdev_smc_cmd(TZDEV_SMC_MEM_REG, pfn, order, 0x0ul, 0) #define tzdev_smc_shutdown() tzdev_smc_cmd(TZDEV_SMC_SHUTDOWN, 0x0ul, 0x0ul, 0x0ul, 0) #define tzdev_smc_boot_log_read(pfn, nr_pages) tzdev_smc_cmd(TZDEV_SMC_BOOT_LOG_READ, (pfn), (nr_pages), 0x0ul, 0) #define tzdev_smc_profiler_control(cmd, arg) tzdev_smc_cmd(TZDEV_SMC_PROFILER_CONTROL, (cmd), (arg), 0x0ul, 0) #define tzdev_smc_nw_kernel_api_cmd(cmd, ta_handle, arg) tzdev_smc_cmd(TZDEV_SMC_NW_KERNEL_API_CMD, (cmd), (ta_handle), (arg), 0) #define tzdev_smc_spi_set_clock_speed(port, sck) tzdev_smc_cmd(TZDEV_SMC_SPI_SET_CLOCK_SPEED, (port), (sck), 0, 0) enum { NW_KERNEL_API_OPEN, NW_KERNEL_API_CLOSE, NW_KERNEL_API_SEND, NW_KERNEL_API_RECV, NW_KERNEL_API_MEM_GRANT, NW_KERNEL_API_MEM_REVOKE, }; unsigned long tzdev_get_swd_cpu_mask(void); struct tzio_smc_data tzdev_get_event(void); struct tzio_smc_data tzdev_send_command(unsigned int tid, unsigned int shm_id); int tzdev_is_opened(void); #endif /* __TZDEV_H__ */