1 /* $NetBSD: dmabuf.h,v 1.2 2021/12/18 23:45:31 riastradh Exp $ */ 2 3 /* 4 * Copyright(c) 2017 Intel Corporation. All rights reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Zhiyuan Lv <zhiyuan.lv@intel.com> 27 * 28 * Contributors: 29 * Xiaoguang Chen 30 * Tina Zhang <tina.zhang@intel.com> 31 */ 32 33 #ifndef _GVT_DMABUF_H_ 34 #define _GVT_DMABUF_H_ 35 #include <linux/vfio.h> 36 37 struct intel_vgpu_fb_info { 38 __u64 start; 39 __u64 start_gpa; 40 __u64 drm_format_mod; 41 __u32 drm_format; /* drm format of plane */ 42 __u32 width; /* width of plane */ 43 __u32 height; /* height of plane */ 44 __u32 stride; /* stride of plane */ 45 __u32 size; /* size of plane in bytes, align on page */ 46 __u32 x_pos; /* horizontal position of cursor plane */ 47 __u32 y_pos; /* vertical position of cursor plane */ 48 __u32 x_hot; /* horizontal position of cursor hotspot */ 49 __u32 y_hot; /* vertical position of cursor hotspot */ 50 struct intel_vgpu_dmabuf_obj *obj; 51 }; 52 53 /** 54 * struct intel_vgpu_dmabuf_obj- Intel vGPU device buffer object 55 */ 56 struct intel_vgpu_dmabuf_obj { 57 struct intel_vgpu *vgpu; 58 struct intel_vgpu_fb_info *info; 59 __u32 dmabuf_id; 60 struct kref kref; 61 bool initref; 62 struct list_head list; 63 }; 64 65 int intel_vgpu_query_plane(struct intel_vgpu *vgpu, void *args); 66 int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id); 67 void intel_vgpu_dmabuf_cleanup(struct intel_vgpu *vgpu); 68 69 #endif 70