1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _CHRE_API_H_ 18 #define _CHRE_API_H_ 19 20 #include <stdarg.h> 21 #include <stdint.h> 22 23 #include "util.h" 24 25 /* if va_list is passed by value it must fit in 32-bit register */ 26 #if !defined(SYSCALL_PARAMS_PASSED_AS_PTRS) || !defined(SYSCALL_VARARGS_PARAMS_PASSED_AS_PTRS) 27 C_STATIC_ASSERT(va_list_size, sizeof(va_list) == sizeof(uint32_t)); 28 #endif 29 30 /* 31 * many syscalls rely on the property that uintptr_t can hold uint32_t without data loss 32 * This is enforced by static assertion below. 33 */ 34 C_STATIC_ASSERT(uintptr_size, sizeof(uintptr_t) >= sizeof(uint32_t)); 35 36 //EXTERNAL API 37 //level 1 indices in the CHRE table 38 #define SYSCALL_CHRE_MAIN 0 39 #define SYSCALL_CHRE_DRIVERS 1 40 #define SYSCALL_CHRE_LAST 2 // always last. holes are allowed, but not immediately before this 41 42 //level 2 indices in the CHRE.main table 43 #define SYSCALL_CHRE_MAIN_API 0 44 #define SYSCALL_CHRE_MAIN_EVENT 1 45 #define SYSCALL_CHRE_MAIN_LAST 2 // always last. holes are allowed, but not immediately before this 46 47 //level 3 indices in the CHRE.main.api table 48 #define SYSCALL_CHRE_MAIN_API_GET_APP_ID 0 // (void) -> uint64_t 49 #define SYSCALL_CHRE_MAIN_API_GET_INST_ID 1 // (void) -> uint32_t 50 #define SYSCALL_CHRE_MAIN_API_LOG_OLD 2 // (enum LogLevel, const char *, uintptr_t) -> void 51 #define SYSCALL_CHRE_MAIN_API_GET_TIME 3 // (void) -> uint64_t 52 #define SYSCALL_CHRE_MAIN_API_TIMER_SET 4 // (uint64_t, const void *, bool) -> uint32_t 53 #define SYSCALL_CHRE_MAIN_API_TIMER_CANCEL 5 // (uint32_t) -> bool 54 #define SYSCALL_CHRE_MAIN_API_ABORT 6 // (uint32_t) -> void 55 #define SYSCALL_CHRE_MAIN_API_HEAP_ALLOC 7 // (uint32_t) -> void * 56 #define SYSCALL_CHRE_MAIN_API_HEAP_FREE 8 // (void *) -> void 57 #define SYSCALL_CHRE_MAIN_API_SEND_EVENT 9 // (uint32_t, void *, chreEventCompleteFunction*, uint32_t) -> bool 58 #define SYSCALL_CHRE_MAIN_API_SEND_MSG 10 // (void *, uint32_t, uint32_t, chreMessageFreeFunction *) -> bool 59 #define SYSCALL_CHRE_MAIN_API_SENSOR_FIND_DEFAULT 11 // 60 #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_INFO_OLD 12 // 61 #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_STATUS 13 // 62 #define SYSCALL_CHRE_MAIN_API_SENSOR_CONFIG 14 // 63 #define SYSCALL_CHRE_MAIN_API_GET_OS_API_VERSION 15 // 64 #define SYSCALL_CHRE_MAIN_API_GET_OS_VERSION 16 // 65 #define SYSCALL_CHRE_MAIN_API_GET_PLATFORM_ID 17 // 66 #define SYSCALL_CHRE_MAIN_API_LOG 18 // (enum LogLevel, const char *, uintptr_t) -> void 67 #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_INFO 19 // 68 #define SYSCALL_CHRE_MAIN_API_GET_HOST_TIME_OFFSET 20 // (void) -> int64_t 69 #define SYSCALL_CHRE_MAIN_API_LAST 21 // always last. holes are allowed, but not immediately before this 70 71 //level 3 indices in the CHRE.main.event table 72 #define SYSCALL_CHRE_MAIN_EVENT_SEND_EVENT 0 // (uint32_t, void *, chreEventCompleteFunction*, uint32_t) -> bool 73 #define SYSCALL_CHRE_MAIN_EVENT_SEND_MSG 1 // (void *, size_t, uint32_t, uint16_t, chreMessageFreeFunction *) -> bool 74 #define SYSCALL_CHRE_MAIN_EVENT_INFO_BY_APP_ID 2 // (uint64_t, struct chreNanoappInfo *) -> bool 75 #define SYSCALL_CHRE_MAIN_EVENT_INFO_BY_INST_ID 3 // (uint32_t, struct chreNanoappInfo *) -> bool 76 #define SYSCALL_CHRE_MAIN_EVENT_CFG_INFO 4 // (bool) -> void 77 #define SYSCALL_CHRE_MAIN_EVENT_HOST_SLEEP 5 // (bool) -> void 78 #define SYSCALL_CHRE_MAIN_EVENT_IS_HOST_AWAKE 6 // (void) -> bool 79 #define SYSCALL_CHRE_MAIN_EVENT_LAST 7 // always last. holes are allowed, but not immediately before this 80 81 //level 2 indices in the CHRE.drivers table 82 #define SYSCALL_CHRE_DRV_GNSS 0 83 #define SYSCALL_CHRE_DRV_WIFI 1 84 #define SYSCALL_CHRE_DRV_WWAN 2 85 #define SYSCALL_CHRE_DRV_AUDIO 3 86 #define SYSCALL_CHRE_DRV_LAST 4 // always last. holes are allowed, but not immediately before this 87 88 //level 3 indices in the CHRE.drivers.gnss table 89 #define SYSCALL_CHRE_DRV_GNSS_GET_CAP 0 // (void) -> uint32_t 90 #define SYSCALL_CHRE_DRV_GNSS_LOC_START_ASYNC 1 // (uint32_t, uint32_t const void *) -> bool 91 #define SYSCALL_CHRE_DRV_GNSS_LOC_STOP_ASYNC 2 // (const void *) -> bool 92 #define SYSCALL_CHRE_DRV_GNSS_MEAS_START_ASYNC 3 // (uint32_t, const void *) -> bool 93 #define SYSCALL_CHRE_DRV_GNSS_MEAS_STOP_ASYNC 4 // (const void *) -> bool 94 #define SYSCALL_CHRE_DRV_GNSS_CONF_PASV_LOC_LIS 5 // (bool) -> bool 95 #define SYSCALL_CHRE_DRV_GNSS_LAST 6 // always last. holes are allowed, but not immediately before this 96 97 //level 3 indices in the CHRE.drivers.wifi table 98 #define SYSCALL_CHRE_DRV_WIFI_GET_CAP 0 // (void) -> uint32_t 99 #define SYSCALL_CHRE_DRV_WIFI_CONF_SCAN_MON_ASYNC 1 // (bool, const void *) -> bool 100 #define SYSCALL_CHRE_DRV_WIFI_REQ_SCAN_ASYNC 2 // (const struct chreWifiScanParams *, const void *) -> bool 101 #define SYSCALL_CHRE_DRV_WIFI_LAST 3 // always last. holes are allowed, but not immediately before this 102 103 //level 3 indices in the CHRE.drivers.wwan table 104 #define SYSCALL_CHRE_DRV_WWAN_GET_CAP 0 // (void) -> uint32_t 105 #define SYSCALL_CHRE_DRV_WWAN_GET_CELL_INFO_ASYNC 1 // (const void *) -> bool 106 #define SYSCALL_CHRE_DRV_WWAN_LAST 2 // always last. holes are allowed, but not immediately before this 107 108 //level 3 indicies in the CHRE.drivers.audio table 109 #define SYSCALL_CHRE_DRV_AUDIO_GET_SRC 0 // (uint32_t, struct chreAudioSource *) -> bool 110 #define SYSCALL_CHRE_DRV_AUDIO_CONF_SRC 1 // (uint32_t, bool, uint64_t, uint64_t) -> bool 111 #define SYSCALL_CHRE_DRV_AUDIO_GET_STATUS 2 // (uint32_t, struct chreAudioSourceStatus *) -> bool 112 #define SYSCALL_CHRE_DRV_AUDIO_LAST 3 // always last. holes are allowed, but not immediately before this 113 114 //called by os entry point to export the api 115 void osChreApiExport(void); 116 // release CHRE event and optionally call completion callback 117 void osChreFreeEvent(uint32_t tid, void (*free_info)(uint16_t, void *), uint32_t evtType, void * evtData); 118 119 #endif 120
