1 /* 2 * Copyright(c) 2017 Intel Corporation. All rights reserved. 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 FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Zhiyuan Lv <zhiyuan.lv@intel.com> 25 * 26 * Contributors: 27 * Xiaoguang Chen 28 * Tina Zhang <tina.zhang@intel.com> 29 */ 30 31 #ifndef _GVT_DMABUF_H_ 32 #define _GVT_DMABUF_H_ 33 #include <linux/vfio.h> 34 35 struct 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 object 53 */ 54 struct 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 63 int intel_vgpu_query_plane(struct intel_vgpu *vgpu, void *args); 64 int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id); 65 void intel_vgpu_dmabuf_cleanup(struct intel_vgpu *vgpu); 66 67 #endif 68