svga: Add vmwgfx_drm.h file from vmwgfx kernel driver
Add the vmwgfx_drm.h header for now, this allows the svga driver to be enabled by default without forcing people to install the vmwgfx_drm.h header on their system. To be removed once vmwgfx_drm.h is in libdrm.
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/**************************************************************************
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*
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* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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* 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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _VMWGFX_DRM_H_
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#define _VMWGFX_DRM_H_
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#define DRM_VMW_MAX_SURFACE_FACES 6
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#define DRM_VMW_MAX_MIP_LEVELS 24
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#define DRM_VMW_EXT_NAME_LEN 128
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#define DRM_VMW_GET_PARAM 1
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#define DRM_VMW_EXTENSION 2
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#define DRM_VMW_CREATE_CONTEXT 3
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#define DRM_VMW_UNREF_CONTEXT 4
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#define DRM_VMW_CREATE_SURFACE 5
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#define DRM_VMW_UNREF_SURFACE 6
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#define DRM_VMW_REF_SURFACE 7
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#define DRM_VMW_EXECBUF 8
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#define DRM_VMW_ALLOC_DMABUF 9
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#define DRM_VMW_UNREF_DMABUF 10
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#define DRM_VMW_FIFO_DEBUG 11
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#define DRM_VMW_FENCE_WAIT 12
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/*************************************************************************/
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/**
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* DRM_VMW_GET_PARAM - get device information.
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*
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* Currently we support only one parameter:
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*
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* DRM_VMW_PARAM_FIFO_OFFSET:
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* Offset to use to map the first page of the FIFO read-only.
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* The fifo is mapped using the mmap() system call on the drm device.
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*/
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#define DRM_VMW_PARAM_FIFO_OFFSET 0
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/**
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* struct drm_vmw_getparam_arg
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*
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* @value: Returned value. //Out
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* @param: Parameter to query. //In.
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*
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* Argument to the DRM_VMW_GET_PARAM Ioctl.
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*/
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struct drm_vmw_getparam_arg {
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uint64_t value;
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uint32_t param;
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uint32_t pad64;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_EXTENSION - Query device extensions.
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*/
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/**
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* struct drm_vmw_extension_rep
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*
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* @exists: The queried extension exists.
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* @driver_ioctl_offset: Ioctl number of the first ioctl in the extension.
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* @driver_sarea_offset: Offset to any space in the DRI SAREA
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* used by the extension.
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* @major: Major version number of the extension.
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* @minor: Minor version number of the extension.
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* @pl: Patch level version number of the extension.
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*
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* Output argument to the DRM_VMW_EXTENSION Ioctl.
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*/
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struct drm_vmw_extension_rep {
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int32_t exists;
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uint32_t driver_ioctl_offset;
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uint32_t driver_sarea_offset;
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uint32_t major;
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uint32_t minor;
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uint32_t pl;
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uint32_t pad64;
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};
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/**
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* union drm_vmw_extension_arg
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*
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* @extension - Ascii name of the extension to be queried. //In
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* @rep - Reply as defined above. //Out
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*
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* Argument to the DRM_VMW_EXTENSION Ioctl.
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*/
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union drm_vmw_extension_arg {
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char extension[DRM_VMW_EXT_NAME_LEN];
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struct drm_vmw_extension_rep rep;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_CREATE_CONTEXT - Create a host context.
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*
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* Allocates a device unique context id, and queues a create context command
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* for the host. Does not wait for host completion.
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*/
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/**
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* struct drm_vmw_context_arg
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*
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* @cid: Device unique context ID.
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*
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* Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
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* Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
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*/
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struct drm_vmw_context_arg {
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int32_t cid;
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uint32_t pad64;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_UNREF_CONTEXT - Create a host context.
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*
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* Frees a global context id, and queues a destroy host command for the host.
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* Does not wait for host completion. The context ID can be used directly
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* in the command stream and shows up as the same context ID on the host.
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*/
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/*************************************************************************/
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/**
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* DRM_VMW_CREATE_SURFACE - Create a host suface.
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*
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* Allocates a device unique surface id, and queues a create surface command
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* for the host. Does not wait for host completion. The surface ID can be
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* used directly in the command stream and shows up as the same surface
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* ID on the host.
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*/
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/**
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* struct drm_wmv_surface_create_req
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*
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* @flags: Surface flags as understood by the host.
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* @format: Surface format as understood by the host.
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* @mip_levels: Number of mip levels for each face.
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* An unused face should have 0 encoded.
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* @size_addr: Address of a user-space array of sruct drm_vmw_size
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* cast to an uint64_t for 32-64 bit compatibility.
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* The size of the array should equal the total number of mipmap levels.
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* @shareable: Boolean whether other clients (as identified by file descriptors)
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* may reference this surface.
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*
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* Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
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* Output data from the DRM_VMW_REF_SURFACE Ioctl.
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*/
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struct drm_vmw_surface_create_req {
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uint32_t flags;
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uint32_t format;
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uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
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uint64_t size_addr;
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int32_t shareable;
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uint32_t pad64;
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};
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/**
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* struct drm_wmv_surface_arg
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*
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* @sid: Surface id of created surface or surface to destroy or reference.
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*
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* Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
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* Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
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* Input argument to the DRM_VMW_REF_SURFACE Ioctl.
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*/
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struct drm_vmw_surface_arg {
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int32_t sid;
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uint32_t pad64;
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};
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/**
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* struct drm_vmw_size ioctl.
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*
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* @width - mip level width
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* @height - mip level height
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* @depth - mip level depth
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*
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* Description of a mip level.
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* Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
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*/
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struct drm_vmw_size {
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uint32_t width;
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uint32_t height;
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uint32_t depth;
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uint32_t pad64;
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};
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/**
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* union drm_vmw_surface_create_arg
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*
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* @rep: Output data as described above.
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* @req: Input data as described above.
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*
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* Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
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*/
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union drm_vmw_surface_create_arg {
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struct drm_vmw_surface_arg rep;
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struct drm_vmw_surface_create_req req;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_REF_SURFACE - Reference a host surface.
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*
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* Puts a reference on a host surface with a give sid, as previously
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* returned by the DRM_VMW_CREATE_SURFACE ioctl.
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* A reference will make sure the surface isn't destroyed while we hold
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* it and will allow the calling client to use the surface ID in the command
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* stream.
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*
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* On successful return, the Ioctl returns the surface information given
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* in the DRM_VMW_CREATE_SURFACE ioctl.
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*/
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/**
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* union drm_vmw_surface_reference_arg
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*
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* @rep: Output data as described above.
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* @req: Input data as described above.
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*
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* Argument to the DRM_VMW_REF_SURFACE Ioctl.
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*/
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union drm_vmw_surface_reference_arg {
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struct drm_vmw_surface_create_req rep;
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struct drm_vmw_surface_arg req;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_UNREF_SURFACE - Unreference a host surface.
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*
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* Clear a reference previously put on a host surface.
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* When all references are gone, including the one implicitly placed
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* on creation,
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* a destroy surface command will be queued for the host.
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* Does not wait for completion.
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*/
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/*************************************************************************/
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/**
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* DRM_VMW_EXECBUF
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*
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* Submit a command buffer for execution on the host, and return a
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* fence sequence that when signaled, indicates that the command buffer has
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* executed.
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*/
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/**
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* struct drm_vmw_execbuf_arg
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*
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* @commands: User-space address of a command buffer cast to an uint64_t.
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* @command-size: Size in bytes of the command buffer.
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* @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
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* uint64_t.
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*
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* Argument to the DRM_VMW_EXECBUF Ioctl.
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*/
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struct drm_vmw_execbuf_arg {
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uint64_t commands;
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uint32_t command_size;
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uint32_t pad64;
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uint64_t fence_rep;
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};
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/**
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* struct drm_vmw_fence_rep
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*
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* @fence_seq: Fence sequence associated with a command submission.
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* @error: This member should've been set to -EFAULT on submission.
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* The following actions should be take on completion:
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* error == -EFAULT: Fence communication failed. The host is synchronized.
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* Use the last fence id read from the FIFO fence register.
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* error != 0 && error != -EFAULT:
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* Fence submission failed. The host is synchronized. Use the fence_seq member.
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* error == 0: All is OK, The host may not be synchronized.
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* Use the fence_seq member.
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*
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* Input / Output data to the DRM_VMW_EXECBUF Ioctl.
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*/
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struct drm_vmw_fence_rep {
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uint64_t fence_seq;
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int32_t error;
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uint32_t pad64;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_ALLOC_DMABUF
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*
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* Allocate a DMA buffer that is visible also to the host.
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* NOTE: The buffer is
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* identified by a handle and an offset, which are private to the guest, but
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* useable in the command stream. The guest kernel may translate these
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* and patch up the command stream accordingly. In the future, the offset may
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* be zero at all times, or it may disappear from the interface before it is
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* fixed.
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*
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* The DMA buffer may stay user-space mapped in the guest at all times,
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* and is thus suitable for sub-allocation.
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*
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* DMA buffers are mapped using the mmap() syscall on the drm device.
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*/
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/**
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* struct drm_vmw_alloc_dmabuf_req
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*
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* @size: Required minimum size of the buffer.
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*
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* Input data to the DRM_VMW_ALLOC_DMABUF Ioctl.
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*/
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struct drm_vmw_alloc_dmabuf_req {
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uint32_t size;
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uint32_t pad64;
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};
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/**
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* struct drm_vmw_dmabuf_rep
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*
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* @map_handle: Offset to use in the mmap() call used to map the buffer.
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* @handle: Handle unique to this buffer. Used for unreferencing.
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* @cur_gmr_id: GMR id to use in the command stream when this buffer is
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* referenced. See not above.
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* @cur_gmr_offset: Offset to use in the command stream when this buffer is
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* referenced. See note above.
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*
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* Output data from the DRM_VMW_ALLOC_DMABUF Ioctl.
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*/
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struct drm_vmw_dmabuf_rep {
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uint64_t map_handle;
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uint32_t handle;
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uint32_t cur_gmr_id;
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uint32_t cur_gmr_offset;
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uint32_t pad64;
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};
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/**
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* union drm_vmw_dmabuf_arg
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*
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* @req: Input data as described above.
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* @rep: Output data as described above.
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*
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* Argument to the DRM_VMW_ALLOC_DMABUF Ioctl.
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*/
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union drm_vmw_alloc_dmabuf_arg {
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struct drm_vmw_alloc_dmabuf_req req;
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struct drm_vmw_dmabuf_rep rep;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_UNREF_DMABUF - Free a DMA buffer.
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*
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*/
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/**
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* struct drm_vmw_unref_dmabuf_arg
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*
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* @handle: Handle indicating what buffer to free. Obtained from the
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* DRM_VMW_ALLOC_DMABUF Ioctl.
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*
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* Argument to the DRM_VMW_UNREF_DMABUF Ioctl.
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*/
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struct drm_vmw_unref_dmabuf_arg {
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uint32_t handle;
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uint32_t pad64;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_FIFO_DEBUG - Get last FIFO submission.
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*
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* This IOCTL copies the last FIFO submission directly out of the FIFO buffer.
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*/
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/**
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* struct drm_vmw_fifo_debug_arg
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*
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* @debug_buffer: User space address of a debug_buffer cast to an uint64_t //In
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* @debug_buffer_size: Size in bytes of debug buffer //In
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* @used_size: Number of bytes copied to the buffer // Out
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* @did_not_fit: Boolean indicating that the fifo contents did not fit. //Out
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*
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* Argument to the DRM_VMW_FIFO_DEBUG Ioctl.
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*/
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struct drm_vmw_fifo_debug_arg {
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uint64_t debug_buffer;
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uint32_t debug_buffer_size;
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uint32_t used_size;
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int32_t did_not_fit;
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uint32_t pad64;
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};
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struct drm_vmw_fence_wait_arg {
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uint64_t sequence;
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uint64_t kernel_cookie;
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int32_t cookie_valid;
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int32_t pad64;
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};
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#endif
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