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virtgpu_drm.h
/* * 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" #if defined(__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 */ #define DRM_VIRTGPU_MAP 0x01 #define DRM_VIRTGPU_EXECBUFFER 0x02 #define DRM_VIRTGPU_GETPARAM 0x03 #define DRM_VIRTGPU_RESOURCE_CREATE 0x04 #define DRM_VIRTGPU_RESOURCE_INFO 0x05 #define DRM_VIRTGPU_TRANSFER_FROM_HOST 0x06 #define DRM_VIRTGPU_TRANSFER_TO_HOST 0x07 #define DRM_VIRTGPU_WAIT 0x08 #define DRM_VIRTGPU_GET_CAPS 0x09 #define DRM_VIRTGPU_RESOURCE_CREATE_BLOB 0x0a #define DRM_VIRTGPU_CONTEXT_INIT 0x0b #define VIRTGPU_EXECBUF_FENCE_FD_IN 0x01 #define VIRTGPU_EXECBUF_FENCE_FD_OUT 0x02 #define VIRTGPU_EXECBUF_RING_IDX 0x04 #define VIRTGPU_EXECBUF_FLAGS (\ VIRTGPU_EXECBUF_FENCE_FD_IN |\ VIRTGPU_EXECBUF_FENCE_FD_OUT |\ VIRTGPU_EXECBUF_RING_IDX |\ 0) struct drm_virtgpu_map { __u64 offset; /* use for mmap system call */ __u32 handle; __u32 pad; }; #define VIRTGPU_EXECBUF_SYNCOBJ_RESET 0x01 #define VIRTGPU_EXECBUF_SYNCOBJ_FLAGS ( \ VIRTGPU_EXECBUF_SYNCOBJ_RESET | \ 0) struct drm_virtgpu_execbuffer_syncobj { __u32 handle; __u32 flags; __u64 point; }; /* 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 */ struct drm_virtgpu_getparam { __u64 param; __u64 value; }; /* 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 */ }; struct drm_virtgpu_resource_info { __u32 bo_handle; __u32 res_handle; __u32 size; __u32 blob_mem; }; struct drm_virtgpu_3d_box { __u32 x; __u32 y; __u32 z; __u32 w; __u32 h; __u32 d; }; struct drm_virtgpu_3d_transfer_to_host { __u32 bo_handle; struct drm_virtgpu_3d_box box; __u32 level; __u32 offset; __u32 stride; __u32 layer_stride; }; struct drm_virtgpu_3d_transfer_from_host { __u32 bo_handle; struct drm_virtgpu_3d_box box; __u32 level; __u32 offset; __u32 stride; __u32 layer_stride; }; #define VIRTGPU_WAIT_NOWAIT 1 /* like it */ struct drm_virtgpu_3d_wait { __u32 handle; /* 0 is an invalid handle */ __u32 flags; }; struct drm_virtgpu_get_caps { __u32 cap_set_id; __u32 cap_set_ver; __u64 addr; __u32 size; __u32 pad; }; struct drm_virtgpu_resource_create_blob { #define VIRTGPU_BLOB_MEM_GUEST 0x0001 #define VIRTGPU_BLOB_MEM_HOST3D 0x0002 #define VIRTGPU_BLOB_MEM_HOST3D_GUEST 0x0003 #define VIRTGPU_BLOB_FLAG_USE_MAPPABLE 0x0001 #define VIRTGPU_BLOB_FLAG_USE_SHAREABLE 0x0002 #define VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE 0x0004 /* zero is invalid blob_mem */ __u32 blob_mem; __u32 blob_flags; __u32 bo_handle; __u32 res_handle; __u64 size; /* * 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; }; #define VIRTGPU_CONTEXT_PARAM_CAPSET_ID 0x0001 #define VIRTGPU_CONTEXT_PARAM_NUM_RINGS 0x0002 #define VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK 0x0003 #define VIRTGPU_CONTEXT_PARAM_DEBUG_NAME 0x0004 struct drm_virtgpu_context_set_param { __u64 param; __u64 value; }; struct drm_virtgpu_context_init { __u32 num_params; __u32 pad; /* 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 #define DRM_IOCTL_VIRTGPU_MAP \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map) #define DRM_IOCTL_VIRTGPU_EXECBUFFER \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\ struct drm_virtgpu_execbuffer) #define DRM_IOCTL_VIRTGPU_GETPARAM \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GETPARAM,\ struct drm_virtgpu_getparam) #define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE, \ struct drm_virtgpu_resource_create) #define DRM_IOCTL_VIRTGPU_RESOURCE_INFO \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_INFO, \ struct drm_virtgpu_resource_info) #define DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_FROM_HOST, \ struct drm_virtgpu_3d_transfer_from_host) #define DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_TO_HOST, \ struct drm_virtgpu_3d_transfer_to_host) #define DRM_IOCTL_VIRTGPU_WAIT \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_WAIT, \ struct drm_virtgpu_3d_wait) #define DRM_IOCTL_VIRTGPU_GET_CAPS \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \ struct drm_virtgpu_get_caps) #define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE_BLOB \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE_BLOB, \ struct drm_virtgpu_resource_create_blob) #define DRM_IOCTL_VIRTGPU_CONTEXT_INIT \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_CONTEXT_INIT, \ struct drm_virtgpu_context_init) #if defined(__cplusplus) } #endif #endif
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