1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright © 2012 Intel Corporation 3*4882a593Smuzhiyun * Copyright © 2014 The Chromium OS Authors 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a 6*4882a593Smuzhiyun * copy of this software and associated documentation files (the "Software"), 7*4882a593Smuzhiyun * to deal in the Software without restriction, including without limitation 8*4882a593Smuzhiyun * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9*4882a593Smuzhiyun * and/or sell copies of the Software, and to permit persons to whom the 10*4882a593Smuzhiyun * Software is furnished to do so, subject to the following conditions: 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * The above copyright notice and this permission notice (including the next 13*4882a593Smuzhiyun * paragraph) shall be included in all copies or substantial portions of the 14*4882a593Smuzhiyun * Software. 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*4882a593Smuzhiyun * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19*4882a593Smuzhiyun * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*4882a593Smuzhiyun * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21*4882a593Smuzhiyun * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 22*4882a593Smuzhiyun * IN THE SOFTWARE. 23*4882a593Smuzhiyun * 24*4882a593Smuzhiyun * Authors: 25*4882a593Smuzhiyun * Ben Widawsky <ben@bwidawsk.net> 26*4882a593Smuzhiyun * 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #ifndef _VGEM_DRV_H_ 30*4882a593Smuzhiyun #define _VGEM_DRV_H_ 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #include <drm/drm_gem.h> 33*4882a593Smuzhiyun #include <drm/drm_cache.h> 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #include <uapi/drm/vgem_drm.h> 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun struct vgem_file { 38*4882a593Smuzhiyun struct idr fence_idr; 39*4882a593Smuzhiyun struct mutex fence_mutex; 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #define to_vgem_bo(x) container_of(x, struct drm_vgem_gem_object, base) 43*4882a593Smuzhiyun struct drm_vgem_gem_object { 44*4882a593Smuzhiyun struct drm_gem_object base; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun struct page **pages; 47*4882a593Smuzhiyun unsigned int pages_pin_count; 48*4882a593Smuzhiyun struct mutex pages_lock; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun struct sg_table *table; 51*4882a593Smuzhiyun }; 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun int vgem_fence_open(struct vgem_file *file); 54*4882a593Smuzhiyun int vgem_fence_attach_ioctl(struct drm_device *dev, 55*4882a593Smuzhiyun void *data, 56*4882a593Smuzhiyun struct drm_file *file); 57*4882a593Smuzhiyun int vgem_fence_signal_ioctl(struct drm_device *dev, 58*4882a593Smuzhiyun void *data, 59*4882a593Smuzhiyun struct drm_file *file); 60*4882a593Smuzhiyun void vgem_fence_close(struct vgem_file *file); 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun #endif 63