1196b3a5f6f48649500909c66177967abaf05b898Erik Gilling/* 2196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * sync.h 3196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * 4196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * Copyright 2012 Google, Inc 5196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * 6196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * Licensed under the Apache License, Version 2.0 (the "License"); 7196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * you may not use this file except in compliance with the License. 8196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * You may obtain a copy of the License at 9196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * 10196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * http://www.apache.org/licenses/LICENSE-2.0 11196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * 12196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * Unless required by applicable law or agreed to in writing, software 13196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * distributed under the License is distributed on an "AS IS" BASIS, 14196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * See the License for the specific language governing permissions and 16196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * limitations under the License. 17196b3a5f6f48649500909c66177967abaf05b898Erik Gilling */ 18196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 19196b3a5f6f48649500909c66177967abaf05b898Erik Gilling#ifndef __SYS_CORE_SYNC_H 20196b3a5f6f48649500909c66177967abaf05b898Erik Gilling#define __SYS_CORE_SYNC_H 21196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 223be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis#include <sys/cdefs.h> 233be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis#include <stdint.h> 24196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 25196b3a5f6f48649500909c66177967abaf05b898Erik Gilling__BEGIN_DECLS 26196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 273be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis// XXX: These structs are copied from the header "linux/sync.h". 283be33e46187bfb1e42099bb4ba061a494356576cJamie Gennisstruct sync_fence_info_data { 293be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis uint32_t len; 303be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis char name[32]; 313be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis int32_t status; 323be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis uint8_t pt_info[0]; 333be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis}; 343be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis 353be33e46187bfb1e42099bb4ba061a494356576cJamie Gennisstruct sync_pt_info { 363be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis uint32_t len; 373be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis char obj_name[32]; 383be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis char driver_name[32]; 393be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis int32_t status; 403be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis uint64_t timestamp_ns; 413be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis uint8_t driver_data[0]; 423be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis}; 433be33e46187bfb1e42099bb4ba061a494356576cJamie Gennis 44196b3a5f6f48649500909c66177967abaf05b898Erik Gilling/* timeout in msecs */ 45984d35703d5c6738253193bd53da9dedb3b58243Erik Gillingint sync_wait(int fd, int timeout); 46196b3a5f6f48649500909c66177967abaf05b898Erik Gillingint sync_merge(const char *name, int fd1, int fd2); 47196b3a5f6f48649500909c66177967abaf05b898Erik Gillingstruct sync_fence_info_data *sync_fence_info(int fd); 48196b3a5f6f48649500909c66177967abaf05b898Erik Gillingstruct sync_pt_info *sync_pt_info(struct sync_fence_info_data *info, 49196b3a5f6f48649500909c66177967abaf05b898Erik Gilling struct sync_pt_info *itr); 50196b3a5f6f48649500909c66177967abaf05b898Erik Gillingvoid sync_fence_info_free(struct sync_fence_info_data *info); 51196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 52196b3a5f6f48649500909c66177967abaf05b898Erik Gilling/* sw_sync is mainly inteded for testing and should not be complied into 53196b3a5f6f48649500909c66177967abaf05b898Erik Gilling * production kernels 54196b3a5f6f48649500909c66177967abaf05b898Erik Gilling */ 55196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 56196b3a5f6f48649500909c66177967abaf05b898Erik Gillingint sw_sync_timeline_create(void); 57196b3a5f6f48649500909c66177967abaf05b898Erik Gillingint sw_sync_timeline_inc(int fd, unsigned count); 58196b3a5f6f48649500909c66177967abaf05b898Erik Gillingint sw_sync_fence_create(int fd, const char *name, unsigned value); 59196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 60196b3a5f6f48649500909c66177967abaf05b898Erik Gilling__END_DECLS 61196b3a5f6f48649500909c66177967abaf05b898Erik Gilling 62196b3a5f6f48649500909c66177967abaf05b898Erik Gilling#endif /* __SYS_CORE_SYNC_H */ 63