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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
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/*
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* Copyright(c) 2017 Intel Corporation. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Zhiyuan Lv <zhiyuan.lv@intel.com>
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*
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* Contributors:
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* Xiaoguang Chen
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* Tina Zhang <tina.zhang@intel.com>
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*/
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#ifndef _GVT_DMABUF_H_
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#define _GVT_DMABUF_H_
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#include <linux/vfio.h>
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struct intel_vgpu_fb_info {
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__u64 start;
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__u64 start_gpa;
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__u64 drm_format_mod;
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__u32 drm_format; /* drm format of plane */
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__u32 width; /* width of plane */
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__u32 height; /* height of plane */
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__u32 stride; /* stride of plane */
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__u32 size; /* size of plane in bytes, align on page */
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__u32 x_pos; /* horizontal position of cursor plane */
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__u32 y_pos; /* vertical position of cursor plane */
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__u32 x_hot; /* horizontal position of cursor hotspot */
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__u32 y_hot; /* vertical position of cursor hotspot */
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struct intel_vgpu_dmabuf_obj *obj;
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};
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/**
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* struct intel_vgpu_dmabuf_obj- Intel vGPU device buffer object
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*/
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struct intel_vgpu_dmabuf_obj {
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struct intel_vgpu *vgpu;
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struct intel_vgpu_fb_info *info;
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__u32 dmabuf_id;
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struct kref kref;
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bool initref;
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struct list_head list;
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};
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int intel_vgpu_query_plane(struct intel_vgpu *vgpu, void *args);
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int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id);
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void intel_vgpu_dmabuf_cleanup(struct intel_vgpu *vgpu);
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#endif
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