65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* Copyright (C) 2016 Google, Inc.
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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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*/
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#ifndef ANDROID_INCLUDE_HARDWARE_GOLDFISH_SYNC_H
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#define ANDROID_INCLUDE_HARDWARE_GOLDFISH_SYNC_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#include <sys/cdefs.h>
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#include <fcntl.h>
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// Make it conflict with ioctls that are not likely to be used
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// in the emulator.
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//
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// '@' 00-0F linux/radeonfb.h conflict!
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// '@' 00-0F drivers/video/aty/aty128fb.c conflict!
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#define GOLDFISH_SYNC_IOC_MAGIC '@'
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struct goldfish_sync_ioctl_info {
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uint64_t host_glsync_handle_in;
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uint64_t host_syncthread_handle_in;
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int fence_fd_out;
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};
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#define GOLDFISH_SYNC_IOC_QUEUE_WORK _IOWR(GOLDFISH_SYNC_IOC_MAGIC, 0, struct goldfish_sync_ioctl_info)
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static __inline__ int goldfish_sync_open() {
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return open("/dev/goldfish_sync", O_RDWR);
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}
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static __inline__ int goldfish_sync_close(int sync_fd) {
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return close(sync_fd);
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}
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static __inline__ int goldfish_sync_queue_work(int goldfish_sync_fd,
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uint64_t host_glsync,
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uint64_t host_thread,
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int* fd_out) {
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struct goldfish_sync_ioctl_info info;
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int err;
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info.host_glsync_handle_in = host_glsync;
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info.host_syncthread_handle_in = host_thread;
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info.fence_fd_out = -1;
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err = ioctl(goldfish_sync_fd, GOLDFISH_SYNC_IOC_QUEUE_WORK, &info);
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if (fd_out) *fd_out = info.fence_fd_out;
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return err;
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}
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#endif
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