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1/*2 * Copyright(c) 2017 Intel Corporation. All rights reserved.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice (including the next12 * paragraph) shall be included in all copies or substantial portions of the13 * Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE21 * SOFTWARE.22 *23 * Authors:24 * Zhiyuan Lv <zhiyuan.lv@intel.com>25 *26 * Contributors:27 * Xiaoguang Chen28 * Tina Zhang <tina.zhang@intel.com>29 */30 31#ifndef _GVT_DMABUF_H_32#define _GVT_DMABUF_H_33#include <linux/vfio.h>34 35struct intel_vgpu_fb_info {36 __u64 start;37 __u64 start_gpa;38 __u64 drm_format_mod;39 __u32 drm_format; /* drm format of plane */40 __u32 width; /* width of plane */41 __u32 height; /* height of plane */42 __u32 stride; /* stride of plane */43 __u32 size; /* size of plane in bytes, align on page */44 __u32 x_pos; /* horizontal position of cursor plane */45 __u32 y_pos; /* vertical position of cursor plane */46 __u32 x_hot; /* horizontal position of cursor hotspot */47 __u32 y_hot; /* vertical position of cursor hotspot */48 struct intel_vgpu_dmabuf_obj *obj;49};50 51/*52 * struct intel_vgpu_dmabuf_obj- Intel vGPU device buffer object53 */54struct intel_vgpu_dmabuf_obj {55 struct intel_vgpu *vgpu;56 struct intel_vgpu_fb_info *info;57 __u32 dmabuf_id;58 struct kref kref;59 bool initref;60 struct list_head list;61};62 63int intel_vgpu_query_plane(struct intel_vgpu *vgpu, void *args);64int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id);65void intel_vgpu_dmabuf_cleanup(struct intel_vgpu *vgpu);66 67#endif68