/*
* Copyright ( c ) 2017 Intel Corporation . All rights reserved .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice ( including the next
* paragraph ) shall be included in all copies or substantial portions of the
* Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER
* LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM ,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE .
*
* Authors :
* Zhiyuan Lv < zhiyuan . lv @ intel . com >
*
* Contributors :
* Xiaoguang Chen
* Tina Zhang < tina . zhang @ intel . com >
*/
#ifndef _GVT_DMABUF_H_
#define _GVT_DMABUF_H_
#include <linux/vfio.h>
struct intel_vgpu_fb_info {
__u64 start;
__u64 start_gpa;
__u64 drm_format_mod;
__u32 drm_format; /* drm format of plane */
__u32 width; /* width of plane */
__u32 height; /* height of plane */
__u32 stride; /* stride of plane */
__u32 size; /* size of plane in bytes, align on page */
__u32 x_pos; /* horizontal position of cursor plane */
__u32 y_pos; /* vertical position of cursor plane */
__u32 x_hot; /* horizontal position of cursor hotspot */
__u32 y_hot; /* vertical position of cursor hotspot */
struct intel_vgpu_dmabuf_obj *obj;
};
/*
* struct intel_vgpu_dmabuf_obj - Intel vGPU device buffer object
*/
struct intel_vgpu_dmabuf_obj {
struct intel_vgpu *vgpu;
struct intel_vgpu_fb_info *info;
__u32 dmabuf_id;
struct kref kref;
bool initref;
struct list_head list;
};
int intel_vgpu_query_plane(struct intel_vgpu *vgpu, void *args);
int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id);
void intel_vgpu_dmabuf_cleanup(struct intel_vgpu *vgpu);
#endif
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(vorverarbeitet am 2026-10-03)
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