1 /* 2 * Copyright © 2016 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef IGT_VGEM_H 25 #define IGT_VGEM_H 26 27 #include <stdint.h> 28 #include <stdbool.h> 29 30 struct vgem_bo { 31 uint32_t handle; 32 uint32_t width, height; 33 uint32_t bpp, pitch; 34 uint64_t size; 35 }; 36 37 int __vgem_create(int fd, struct vgem_bo *bo); 38 void vgem_create(int fd, struct vgem_bo *bo); 39 40 void *__vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot); 41 void *vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot); 42 43 bool vgem_has_fences(int fd); 44 bool vgem_fence_has_flag(int fd, unsigned flags); 45 uint32_t vgem_fence_attach(int fd, struct vgem_bo *bo, unsigned flags); 46 #define VGEM_FENCE_WRITE 0x1 47 #define WIP_VGEM_FENCE_NOTIMEOUT 0x2 48 int __vgem_fence_signal(int fd, uint32_t fence); 49 void vgem_fence_signal(int fd, uint32_t fence); 50 51 #endif /* IGT_VGEM_H */ 52