|  | /* | 
|  | * 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 */ | 
|  |  | 
|  | 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 | 
|  | 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 |