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/**********************************************************
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 * Copyright 2009 VMware, Inc.  All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person
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 * obtaining a copy of this software and associated documentation
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 * files (the "Software"), to deal in the Software without
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 * restriction, including without limitation the rights to use, copy,
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 * modify, merge, publish, distribute, sublicense, and/or sell copies
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 * of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 *
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 **********************************************************/
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/**
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 * @file
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 * Common definitions for the VMware SVGA winsys.
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 *
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 * @author Jose Fonseca
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 */
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#ifndef VMW_SCREEN_H_
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#define VMW_SCREEN_H_
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#include "pipe/p_compiler.h"
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#include "pipe/p_state.h"
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#include "svga_winsys.h"
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#define VMW_GMR_POOL_SIZE (16*1024*1024)
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#define VMW_QUERY_POOL_SIZE (8192)
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/*
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 * Something big, but arbitrary. The kernel reports an error if it can't
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 * handle this, and the svga driver will resort to multiple partial
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 * uploads.
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 */
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#define VMW_MAX_BUFFER_SIZE (512*1024*1024)
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struct pb_manager;
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struct vmw_region;
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struct vmw_winsys_screen
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{
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   struct svga_winsys_screen base;
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   boolean use_old_scanout_flag;
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   struct {
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      int drm_fd;
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      uint32_t hwversion;
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      uint32_t *buffer;
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   } ioctl;
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   struct {
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      struct pb_manager *gmr;
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      struct pb_manager *gmr_mm;
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      struct pb_manager *gmr_fenced;
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      struct pb_manager *gmr_slab;
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      struct pb_manager *gmr_slab_fenced;
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      struct pb_manager *query;
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      struct pb_manager *query_mm;
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      struct pb_manager *query_fenced;
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   } pools;
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};
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static INLINE struct vmw_winsys_screen *
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vmw_winsys_screen(struct svga_winsys_screen *base)
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{
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   return (struct vmw_winsys_screen *)base;
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}
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/*  */
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uint32
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vmw_ioctl_context_create(struct vmw_winsys_screen *vws);
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void
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vmw_ioctl_context_destroy(struct vmw_winsys_screen *vws,
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                          uint32 cid);
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uint32
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vmw_ioctl_surface_create(struct vmw_winsys_screen *vws,
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                              SVGA3dSurfaceFlags flags,
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                              SVGA3dSurfaceFormat format,
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                              SVGA3dSize size,
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                              uint32 numFaces,
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                              uint32 numMipLevels);
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void
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vmw_ioctl_surface_destroy(struct vmw_winsys_screen *vws,
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                          uint32 sid);
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void
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vmw_ioctl_command(struct vmw_winsys_screen *vws,
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		  int32_t cid,
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		  uint32_t throttle_us,
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		  void *commands,
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		  uint32_t size,
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		  struct pipe_fence_handle **fence);
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struct vmw_region *
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vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size);
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void
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vmw_ioctl_region_destroy(struct vmw_region *region);
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struct SVGAGuestPtr
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vmw_ioctl_region_ptr(struct vmw_region *region);
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void *
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vmw_ioctl_region_map(struct vmw_region *region);
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void
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vmw_ioctl_region_unmap(struct vmw_region *region);
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int
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vmw_ioctl_fence_finish(struct vmw_winsys_screen *vws,
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                       uint32_t handle, uint32_t flags);
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int
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vmw_ioctl_fence_signalled(struct vmw_winsys_screen *vws,
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                          uint32_t handle, uint32_t flags);
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void
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vmw_ioctl_fence_unref(struct vmw_winsys_screen *vws,
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		      uint32_t handle);
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/* Initialize parts of vmw_winsys_screen at startup:
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 */
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boolean vmw_ioctl_init(struct vmw_winsys_screen *vws);
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boolean vmw_pools_init(struct vmw_winsys_screen *vws);
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boolean vmw_query_pools_init(struct vmw_winsys_screen *vws);
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boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws);
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void vmw_ioctl_cleanup(struct vmw_winsys_screen *vws);
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void vmw_pools_cleanup(struct vmw_winsys_screen *vws);
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struct vmw_winsys_screen *vmw_winsys_create(int fd, boolean use_old_scanout_flag);
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void vmw_winsys_destroy(struct vmw_winsys_screen *sws);
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void vmw_winsys_screen_set_throttling(struct pipe_screen *screen,
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				      uint32_t throttle_us);
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#endif /* VMW_SCREEN_H_ */