| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _CHRE_API_H_ |
| #define _CHRE_API_H_ |
| |
| #include <stdarg.h> |
| #include <stdint.h> |
| |
| #include "util.h" |
| |
| /* if va_list is passed by value it must fit in 32-bit register */ |
| #if !defined(SYSCALL_PARAMS_PASSED_AS_PTRS) || !defined(SYSCALL_VARARGS_PARAMS_PASSED_AS_PTRS) |
| C_STATIC_ASSERT(va_list_size, sizeof(va_list) == sizeof(uint32_t)); |
| #endif |
| |
| /* |
| * many syscalls rely on the property that uintptr_t can hold uint32_t without data loss |
| * This is enforced by static assertion below. |
| */ |
| C_STATIC_ASSERT(uintptr_size, sizeof(uintptr_t) >= sizeof(uint32_t)); |
| |
| //EXTERNAL API |
| //level 1 indices in the CHRE table |
| #define SYSCALL_CHRE_MAIN 0 |
| #define SYSCALL_CHRE_DRIVERS 1 |
| #define SYSCALL_CHRE_LAST 2 // always last. holes are allowed, but not immediately before this |
| |
| //level 2 indices in the CHRE.main table |
| #define SYSCALL_CHRE_MAIN_API 0 |
| #define SYSCALL_CHRE_MAIN_EVENT 1 |
| #define SYSCALL_CHRE_MAIN_LAST 2 // always last. holes are allowed, but not immediately before this |
| |
| //level 3 indices in the CHRE.main.api table |
| #define SYSCALL_CHRE_MAIN_API_GET_APP_ID 0 // (void) -> uint64_t |
| #define SYSCALL_CHRE_MAIN_API_GET_INST_ID 1 // (void) -> uint32_t |
| #define SYSCALL_CHRE_MAIN_API_LOG_OLD 2 // (enum LogLevel, const char *, uintptr_t) -> void |
| #define SYSCALL_CHRE_MAIN_API_GET_TIME 3 // (void) -> uint64_t |
| #define SYSCALL_CHRE_MAIN_API_TIMER_SET 4 // (uint64_t, const void *, bool) -> uint32_t |
| #define SYSCALL_CHRE_MAIN_API_TIMER_CANCEL 5 // (uint32_t) -> bool |
| #define SYSCALL_CHRE_MAIN_API_ABORT 6 // (uint32_t) -> void |
| #define SYSCALL_CHRE_MAIN_API_HEAP_ALLOC 7 // (uint32_t) -> void * |
| #define SYSCALL_CHRE_MAIN_API_HEAP_FREE 8 // (void *) -> void |
| #define SYSCALL_CHRE_MAIN_API_SEND_EVENT 9 // (uint32_t, void *, chreEventCompleteFunction*, uint32_t) -> bool |
| #define SYSCALL_CHRE_MAIN_API_SEND_MSG 10 // (void *, uint32_t, uint32_t, chreMessageFreeFunction *) -> bool |
| #define SYSCALL_CHRE_MAIN_API_SENSOR_FIND_DEFAULT 11 // |
| #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_INFO_OLD 12 // |
| #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_STATUS 13 // |
| #define SYSCALL_CHRE_MAIN_API_SENSOR_CONFIG 14 // |
| #define SYSCALL_CHRE_MAIN_API_GET_OS_API_VERSION 15 // |
| #define SYSCALL_CHRE_MAIN_API_GET_OS_VERSION 16 // |
| #define SYSCALL_CHRE_MAIN_API_GET_PLATFORM_ID 17 // |
| #define SYSCALL_CHRE_MAIN_API_LOG 18 // (enum LogLevel, const char *, uintptr_t) -> void |
| #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_INFO 19 // |
| #define SYSCALL_CHRE_MAIN_API_GET_HOST_TIME_OFFSET 20 // (void) -> int64_t |
| #define SYSCALL_CHRE_MAIN_API_LAST 21 // always last. holes are allowed, but not immediately before this |
| |
| //level 3 indices in the CHRE.main.event table |
| #define SYSCALL_CHRE_MAIN_EVENT_SEND_EVENT 0 // (uint32_t, void *, chreEventCompleteFunction*, uint32_t) -> bool |
| #define SYSCALL_CHRE_MAIN_EVENT_SEND_MSG 1 // (void *, size_t, uint32_t, uint16_t, chreMessageFreeFunction *) -> bool |
| #define SYSCALL_CHRE_MAIN_EVENT_INFO_BY_APP_ID 2 // (uint64_t, struct chreNanoappInfo *) -> bool |
| #define SYSCALL_CHRE_MAIN_EVENT_INFO_BY_INST_ID 3 // (uint32_t, struct chreNanoappInfo *) -> bool |
| #define SYSCALL_CHRE_MAIN_EVENT_CFG_INFO 4 // (bool) -> void |
| #define SYSCALL_CHRE_MAIN_EVENT_LAST 5 // always last. holes are allowed, but not immediately before this |
| |
| //level 2 indices in the CHRE.drivers table |
| #define SYSCALL_CHRE_DRV_GNSS 0 |
| #define SYSCALL_CHRE_DRV_WIFI 1 |
| #define SYSCALL_CHRE_DRV_WWAN 2 |
| #define SYSCALL_CHRE_DRV_LAST 3 // always last. holes are allowed, but not immediately before this |
| |
| //level 3 indices in the CHRE.drivers.gnss table |
| #define SYSCALL_CHRE_DRV_GNSS_GET_CAP 0 // (void) -> uint32_t |
| #define SYSCALL_CHRE_DRV_GNSS_LOC_START_ASYNC 1 // (uint32_t, uint32_t const void *) -> bool |
| #define SYSCALL_CHRE_DRV_GNSS_LOC_STOP_ASYNC 2 // (const void *) -> bool |
| #define SYSCALL_CHRE_DRV_GNSS_MEAS_START_ASYNC 3 // (uint32_t, const void *) -> bool |
| #define SYSCALL_CHRE_DRV_GNSS_MEAS_STOP_ASYNC 4 // (const void *) -> bool |
| #define SYSCALL_CHRE_DRV_GNSS_LAST 5 // always last. holes are allowed, but not immediately before this |
| |
| //level 3 indices in the CHRE.drivers.wifi table |
| #define SYSCALL_CHRE_DRV_WIFI_GET_CAP 0 // (void) -> uint32_t |
| #define SYSCALL_CHRE_DRV_WIFI_CONF_SCAN_MON_ASYNC 1 // (bool, const void *) -> bool |
| #define SYSCALL_CHRE_DRV_WIFI_REQ_SCAN_ASYNC 2 // (const struct chreWifiScanParams *, const void *) -> bool |
| #define SYSCALL_CHRE_DRV_WIFI_LAST 3 // always last. holes are allowed, but not immediately before this |
| |
| //level 3 indices in the CHRE.drivers.wwan table |
| #define SYSCALL_CHRE_DRV_WWAN_GET_CAP 0 // (void) -> uint32_t |
| #define SYSCALL_CHRE_DRV_WWAN_GET_CELL_INFO_ASYNC 1 // (const void *cookie) -> bool |
| #define SYSCALL_CHRE_DRV_WWAN_LAST 2 // always last. holes are allowed, but not immediately before this |
| |
| //called by os entry point to export the api |
| void osChreApiExport(void); |
| // release CHRE event and optionally call completion callback |
| void osChreFreeEvent(uint32_t tid, void (*free_info)(uint16_t, void *), uint32_t evtType, void * evtData); |
| |
| #endif |
