/* * Copyright 2013 Red Hat * 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 AND/OR ITS SUPPLIERS 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.
*/ #ifndef VIRTGPU_DRM_H #define VIRTGPU_DRM_H
#include"drm.h"
#ifdefined(__cplusplus) extern"C" { #endif
/* Please note that modifications to all structs defined here are * subject to backwards-compatibility constraints. * * Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel * compatibility Keep fields aligned to their size
*/
/* fence_fd is modified on success if VIRTGPU_EXECBUF_FENCE_FD_OUT flag is set. */ struct drm_virtgpu_execbuffer {
__u32 flags;
__u32 size;
__u64 command; /* void* */
__u64 bo_handles;
__u32 num_bo_handles;
__s32 fence_fd; /* in/out fence fd (see VIRTGPU_EXECBUF_FENCE_FD_IN/OUT) */
__u32 ring_idx; /* command ring index (see VIRTGPU_EXECBUF_RING_IDX) */
__u32 syncobj_stride; /* size of @drm_virtgpu_execbuffer_syncobj */
__u32 num_in_syncobjs;
__u32 num_out_syncobjs;
__u64 in_syncobjs;
__u64 out_syncobjs;
};
#define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */ #define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2 /* do we have the capset fix */ #define VIRTGPU_PARAM_RESOURCE_BLOB 3 /* DRM_VIRTGPU_RESOURCE_CREATE_BLOB */ #define VIRTGPU_PARAM_HOST_VISIBLE 4 /* Host blob resources are mappable */ #define VIRTGPU_PARAM_CROSS_DEVICE 5 /* Cross virtio-device resource sharing */ #define VIRTGPU_PARAM_CONTEXT_INIT 6 /* DRM_VIRTGPU_CONTEXT_INIT */ #define VIRTGPU_PARAM_SUPPORTED_CAPSET_IDs 7 /* Bitmask of supported capability set ids */ #define VIRTGPU_PARAM_EXPLICIT_DEBUG_NAME 8 /* Ability to set debug name from userspace */
/* NO_BO flags? NO resource flag? */ /* resource flag for y_0_top */ struct drm_virtgpu_resource_create {
__u32 target;
__u32 format;
__u32 bind;
__u32 width;
__u32 height;
__u32 depth;
__u32 array_size;
__u32 last_level;
__u32 nr_samples;
__u32 flags;
__u32 bo_handle; /* if this is set - recreate a new resource attached to this bo ? */
__u32 res_handle; /* returned by kernel */
__u32 size; /* validate transfer in the host */
__u32 stride; /* validate transfer in the host */
};
/* * for 3D contexts with VIRTGPU_BLOB_MEM_HOST3D_GUEST and * VIRTGPU_BLOB_MEM_HOST3D otherwise, must be zero.
*/
__u32 pad;
__u32 cmd_size;
__u64 cmd;
__u64 blob_id;
};
/* pointer to drm_virtgpu_context_set_param array */
__u64 ctx_set_params;
};
/* * Event code that's given when VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK is in * effect. The event size is sizeof(drm_event), since there is no additional * payload.
*/ #define VIRTGPU_EVENT_FENCE_SIGNALED 0x90000000
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