drivers/gpu/drm/vmwgfx/vmwgfx_drv.h - maze/linux - Git at Google

 /**************************************************************************
  *
  * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
  * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  * THE COPYRIGHT HOLDERS, 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 _VMWGFX_DRV_H_
 #define _VMWGFX_DRV_H_

 #include "vmwgfx_reg.h"
 #include "drmP.h"
 #include "vmwgfx_drm.h"
 #include "drm_hashtab.h"
 #include "linux/suspend.h"
 #include "ttm/ttm_bo_driver.h"
 #include "ttm/ttm_object.h"
 #include "ttm/ttm_lock.h"
 #include "ttm/ttm_execbuf_util.h"
 #include "ttm/ttm_module.h"

 #define VMWGFX_DRIVER_DATE "20090724"
 #define VMWGFX_DRIVER_MAJOR 0
 #define VMWGFX_DRIVER_MINOR 1
 #define VMWGFX_DRIVER_PATCHLEVEL 2
 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
 #define VMWGFX_MAX_RELOCATIONS 2048
 #define VMWGFX_MAX_GMRS 2048

 struct vmw_fpriv {
 	struct drm_master *locked_master;
 	struct ttm_object_file *tfile;
 };

 struct vmw_dma_buffer {
 	struct ttm_buffer_object base;
 	struct list_head validate_list;
 	struct list_head gmr_lru;
 	uint32_t gmr_id;
 	bool gmr_bound;
 	uint32_t cur_validate_node;
 	bool on_validate_list;
 };

 struct vmw_resource {
 	struct kref kref;
 	struct vmw_private *dev_priv;
 	struct idr *idr;
 	int id;
 	enum ttm_object_type res_type;
 	bool avail;
 	void (*hw_destroy) (struct vmw_resource *res);
 	void (*res_free) (struct vmw_resource *res);

 	/* TODO is a generic snooper needed? */
 #if 0
 	void (*snoop)(struct vmw_resource *res,
 		      struct ttm_object_file *tfile,
 		      SVGA3dCmdHeader *header);
 	void *snoop_priv;
 #endif
 };

 struct vmw_cursor_snooper {
 	struct drm_crtc *crtc;
 	size_t age;
 	uint32_t *image;
 };

 struct vmw_surface {
 	struct vmw_resource res;
 	uint32_t flags;
 	uint32_t format;
 	uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
 	struct drm_vmw_size *sizes;
 	uint32_t num_sizes;

 	/* TODO so far just a extra pointer */
 	struct vmw_cursor_snooper snooper;
 };

 struct vmw_fifo_state {
 	unsigned long reserved_size;
 	__le32 *dynamic_buffer;
 	__le32 *static_buffer;
 	__le32 *last_buffer;
 	uint32_t last_data_size;
 	uint32_t last_buffer_size;
 	bool last_buffer_add;
 	unsigned long static_buffer_size;
 	bool using_bounce_buffer;
 	uint32_t capabilities;
 	struct rw_semaphore rwsem;
 };

 struct vmw_relocation {
 	SVGAGuestPtr *location;
 	uint32_t index;
 };

 struct vmw_sw_context{
 	struct ida bo_list;
 	uint32_t last_cid;
 	bool cid_valid;
 	uint32_t last_sid;
 	uint32_t sid_translation;
 	bool sid_valid;
 	struct ttm_object_file *tfile;
 	struct list_head validate_nodes;
 	struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 	uint32_t cur_reloc;
 	struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
 	uint32_t cur_val_buf;
 };

 struct vmw_legacy_display;
 struct vmw_overlay;

 struct vmw_master {
 	struct ttm_lock lock;
 };

 struct vmw_private {
 	struct ttm_bo_device bdev;
 	struct ttm_bo_global_ref bo_global_ref;
 	struct ttm_global_reference mem_global_ref;

 	struct vmw_fifo_state fifo;

 	struct drm_device *dev;
 	unsigned long vmw_chipset;
 	unsigned int io_start;
 	uint32_t vram_start;
 	uint32_t vram_size;
 	uint32_t mmio_start;
 	uint32_t mmio_size;
 	uint32_t fb_max_width;
 	uint32_t fb_max_height;
 	__le32 __iomem *mmio_virt;
 	int mmio_mtrr;
 	uint32_t capabilities;
 	uint32_t max_gmr_descriptors;
 	uint32_t max_gmr_ids;
 	struct mutex hw_mutex;

 	/*
 	 * VGA registers.
 	 */

 	uint32_t vga_width;
 	uint32_t vga_height;
 	uint32_t vga_depth;
 	uint32_t vga_bpp;
 	uint32_t vga_pseudo;
 	uint32_t vga_red_mask;
 	uint32_t vga_blue_mask;
 	uint32_t vga_green_mask;

 	/*
 	 * Framebuffer info.
 	 */

 	void *fb_info;
 	struct vmw_legacy_display *ldu_priv;
 	struct vmw_overlay *overlay_priv;

 	/*
 	 * Context and surface management.
 	 */

 	rwlock_t resource_lock;
 	struct idr context_idr;
 	struct idr surface_idr;
 	struct idr stream_idr;

 	/*
 	 * Block lastclose from racing with firstopen.
 	 */

 	struct mutex init_mutex;

 	/*
 	 * A resource manager for kernel-only surfaces and
 	 * contexts.
 	 */

 	struct ttm_object_device *tdev;

 	/*
 	 * Fencing and IRQs.
 	 */

 	uint32_t fence_seq;
 	wait_queue_head_t fence_queue;
 	wait_queue_head_t fifo_queue;
 	atomic_t fence_queue_waiters;
 	atomic_t fifo_queue_waiters;
 	uint32_t last_read_sequence;
 	spinlock_t irq_lock;

 	/*
 	 * Device state
 	 */

 	uint32_t traces_state;
 	uint32_t enable_state;
 	uint32_t config_done_state;

 	/**
 	 * Execbuf
 	 */
 	/**
 	 * Protected by the cmdbuf mutex.
 	 */

 	struct vmw_sw_context ctx;
 	uint32_t val_seq;
 	struct mutex cmdbuf_mutex;

 	/**
 	 * GMR management. Protected by the lru spinlock.
 	 */

 	struct ida gmr_ida;
 	struct list_head gmr_lru;


 	/**
 	 * Operating mode.
 	 */

 	bool stealth;
 	bool is_opened;

 	/**
 	 * Master management.
 	 */

 	struct vmw_master *active_master;
 	struct vmw_master fbdev_master;
 	struct notifier_block pm_nb;
 };

 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 {
 	return (struct vmw_private *)dev->dev_private;
 }

 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 {
 	return (struct vmw_fpriv *)file_priv->driver_priv;
 }

 static inline struct vmw_master *vmw_master(struct drm_master *master)
 {
 	return (struct vmw_master *) master->driver_priv;
 }

 static inline void vmw_write(struct vmw_private *dev_priv,
 			     unsigned int offset, uint32_t value)
 {
 	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 	outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 }

 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 				unsigned int offset)
 {
 	uint32_t val;

 	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 	val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 	return val;
 }

 /**
  * GMR utilities - vmwgfx_gmr.c
  */

 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 			struct ttm_buffer_object *bo);
 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);

 /**
  * Resource utilities - vmwgfx_resource.c
  */

 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 				     struct drm_file *file_priv);
 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 				    struct drm_file *file_priv);
 extern int vmw_context_check(struct vmw_private *dev_priv,
 			     struct ttm_object_file *tfile,
 			     int id);
 extern void vmw_surface_res_free(struct vmw_resource *res);
 extern int vmw_surface_init(struct vmw_private *dev_priv,
 			    struct vmw_surface *srf,
 			    void (*res_free) (struct vmw_resource *res));
 extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
 					  struct ttm_object_file *tfile,
 					  uint32_t handle,
 					  struct vmw_surface **out);
 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 				     struct drm_file *file_priv);
 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 				    struct drm_file *file_priv);
 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 				       struct drm_file *file_priv);
 extern int vmw_surface_check(struct vmw_private *dev_priv,
 			     struct ttm_object_file *tfile,
 			     uint32_t handle, int *id);
 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 			   struct vmw_dma_buffer *vmw_bo,
 			   size_t size, struct ttm_placement *placement,
 			   bool interuptable,
 			   void (*bo_free) (struct ttm_buffer_object *bo));
 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 				  struct drm_file *file_priv);
 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 				  struct drm_file *file_priv);
 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 					 uint32_t cur_validate_node);
 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 				  uint32_t id, struct vmw_dma_buffer **out);
 extern uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo);
 extern void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id);
 extern int vmw_gmr_id_alloc(struct vmw_private *dev_priv, uint32_t *p_id);
 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 				       struct vmw_dma_buffer *bo);
 extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
 				struct vmw_dma_buffer *bo);
 extern void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo);
 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 				  struct drm_file *file_priv);
 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 				  struct drm_file *file_priv);
 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 				  struct ttm_object_file *tfile,
 				  uint32_t *inout_id,
 				  struct vmw_resource **out);


 /**
  * Misc Ioctl functionality - vmwgfx_ioctl.c
  */

 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv);
 extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);

 /**
  * Fifo utilities - vmwgfx_fifo.c
  */

 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 			 struct vmw_fifo_state *fifo);
 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 			     struct vmw_fifo_state *fifo);
 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 			       uint32_t *sequence);
 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);

 /**
  * TTM glue - vmwgfx_ttm_glue.c
  */

 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);

 /**
  * TTM buffer object driver - vmwgfx_buffer.c
  */

 extern struct ttm_placement vmw_vram_placement;
 extern struct ttm_placement vmw_vram_ne_placement;
 extern struct ttm_placement vmw_vram_sys_placement;
 extern struct ttm_placement vmw_sys_placement;
 extern struct ttm_bo_driver vmw_bo_driver;
 extern int vmw_dma_quiescent(struct drm_device *dev);

 /**
  * Command submission - vmwgfx_execbuf.c
  */

 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 			     struct drm_file *file_priv);

 /**
  * IRQs and wating - vmwgfx_irq.c
  */

 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
 extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
 			  uint32_t sequence, bool interruptible,
 			  unsigned long timeout);
 extern void vmw_irq_preinstall(struct drm_device *dev);
 extern int vmw_irq_postinstall(struct drm_device *dev);
 extern void vmw_irq_uninstall(struct drm_device *dev);
 extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
 			       uint32_t sequence);
 extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 			     bool lazy,
 			     bool fifo_idle,
 			     uint32_t sequence,
 			     bool interruptible,
 			     unsigned long timeout);

 /**
  * Kernel framebuffer - vmwgfx_fb.c
  */

 int vmw_fb_init(struct vmw_private *vmw_priv);
 int vmw_fb_close(struct vmw_private *dev_priv);
 int vmw_fb_off(struct vmw_private *vmw_priv);
 int vmw_fb_on(struct vmw_private *vmw_priv);

 /**
  * Kernel modesetting - vmwgfx_kms.c
  */

 int vmw_kms_init(struct vmw_private *dev_priv);
 int vmw_kms_close(struct vmw_private *dev_priv);
 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 			  struct ttm_object_file *tfile,
 			  struct ttm_buffer_object *bo,
 			  SVGA3dCmdHeader *header);

 /**
  * Overlay control - vmwgfx_overlay.c
  */

 int vmw_overlay_init(struct vmw_private *dev_priv);
 int vmw_overlay_close(struct vmw_private *dev_priv);
 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 		      struct drm_file *file_priv);
 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);

 /**
  * Inline helper functions
  */

 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 {
 	struct vmw_surface *tmp_srf = *srf;
 	struct vmw_resource *res = &tmp_srf->res;
 	*srf = NULL;

 	vmw_resource_unreference(&res);
 }

 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 {
 	(void) vmw_resource_reference(&srf->res);
 	return srf;
 }

 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 {
 	struct vmw_dma_buffer *tmp_buf = *buf;
 	struct ttm_buffer_object *bo = &tmp_buf->base;
 	*buf = NULL;

 	ttm_bo_unref(&bo);
 }

 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 {
 	if (ttm_bo_reference(&buf->base))
 		return buf;
 	return NULL;
 }

 #endif
	/**************************************************************************
	*
	* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
	* 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
	* THE COPYRIGHT HOLDERS, 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 _VMWGFX_DRV_H_
	#define _VMWGFX_DRV_H_

	#include "vmwgfx_reg.h"
	#include "drmP.h"
	#include "vmwgfx_drm.h"
	#include "drm_hashtab.h"
	#include "linux/suspend.h"
	#include "ttm/ttm_bo_driver.h"
	#include "ttm/ttm_object.h"
	#include "ttm/ttm_lock.h"
	#include "ttm/ttm_execbuf_util.h"
	#include "ttm/ttm_module.h"

	#define VMWGFX_DRIVER_DATE "20090724"
	#define VMWGFX_DRIVER_MAJOR 0
	#define VMWGFX_DRIVER_MINOR 1
	#define VMWGFX_DRIVER_PATCHLEVEL 2
	#define VMWGFX_FILE_PAGE_OFFSET 0x00100000
	#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
	#define VMWGFX_MAX_RELOCATIONS 2048
	#define VMWGFX_MAX_GMRS 2048

	struct vmw_fpriv {
	struct drm_master *locked_master;
	struct ttm_object_file *tfile;
	};

	struct vmw_dma_buffer {
	struct ttm_buffer_object base;
	struct list_head validate_list;
	struct list_head gmr_lru;
	uint32_t gmr_id;
	bool gmr_bound;
	uint32_t cur_validate_node;
	bool on_validate_list;
	};

	struct vmw_resource {
	struct kref kref;
	struct vmw_private *dev_priv;
	struct idr *idr;
	int id;
	enum ttm_object_type res_type;
	bool avail;
	void (hw_destroy) (struct vmw_resource res);
	void (res_free) (struct vmw_resource res);

	/* TODO is a generic snooper needed? */
	#if 0
	void (snoop)(struct vmw_resource res,
	struct ttm_object_file *tfile,
	SVGA3dCmdHeader *header);
	void *snoop_priv;
	#endif
	};

	struct vmw_cursor_snooper {
	struct drm_crtc *crtc;
	size_t age;
	uint32_t *image;
	};

	struct vmw_surface {
	struct vmw_resource res;
	uint32_t flags;
	uint32_t format;
	uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
	struct drm_vmw_size *sizes;
	uint32_t num_sizes;

	/* TODO so far just a extra pointer */
	struct vmw_cursor_snooper snooper;
	};

	struct vmw_fifo_state {
	unsigned long reserved_size;
	__le32 *dynamic_buffer;
	__le32 *static_buffer;
	__le32 *last_buffer;
	uint32_t last_data_size;
	uint32_t last_buffer_size;
	bool last_buffer_add;
	unsigned long static_buffer_size;
	bool using_bounce_buffer;
	uint32_t capabilities;
	struct rw_semaphore rwsem;
	};

	struct vmw_relocation {
	SVGAGuestPtr *location;
	uint32_t index;
	};

	struct vmw_sw_context{
	struct ida bo_list;
	uint32_t last_cid;
	bool cid_valid;
	uint32_t last_sid;
	uint32_t sid_translation;
	bool sid_valid;
	struct ttm_object_file *tfile;
	struct list_head validate_nodes;
	struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
	uint32_t cur_reloc;
	struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
	uint32_t cur_val_buf;
	};

	struct vmw_legacy_display;
	struct vmw_overlay;

	struct vmw_master {
	struct ttm_lock lock;
	};

	struct vmw_private {
	struct ttm_bo_device bdev;
	struct ttm_bo_global_ref bo_global_ref;
	struct ttm_global_reference mem_global_ref;

	struct vmw_fifo_state fifo;

	struct drm_device *dev;
	unsigned long vmw_chipset;
	unsigned int io_start;
	uint32_t vram_start;
	uint32_t vram_size;
	uint32_t mmio_start;
	uint32_t mmio_size;
	uint32_t fb_max_width;
	uint32_t fb_max_height;
	__le32 __iomem *mmio_virt;
	int mmio_mtrr;
	uint32_t capabilities;
	uint32_t max_gmr_descriptors;
	uint32_t max_gmr_ids;
	struct mutex hw_mutex;

	/*
	* VGA registers.
	*/

	uint32_t vga_width;
	uint32_t vga_height;
	uint32_t vga_depth;
	uint32_t vga_bpp;
	uint32_t vga_pseudo;
	uint32_t vga_red_mask;
	uint32_t vga_blue_mask;
	uint32_t vga_green_mask;

	/*
	* Framebuffer info.
	*/

	void *fb_info;
	struct vmw_legacy_display *ldu_priv;
	struct vmw_overlay *overlay_priv;

	/*
	* Context and surface management.
	*/

	rwlock_t resource_lock;
	struct idr context_idr;
	struct idr surface_idr;
	struct idr stream_idr;

	/*
	* Block lastclose from racing with firstopen.
	*/

	struct mutex init_mutex;

	/*
	* A resource manager for kernel-only surfaces and
	* contexts.
	*/

	struct ttm_object_device *tdev;

	/*
	* Fencing and IRQs.
	*/

	uint32_t fence_seq;
	wait_queue_head_t fence_queue;
	wait_queue_head_t fifo_queue;
	atomic_t fence_queue_waiters;
	atomic_t fifo_queue_waiters;
	uint32_t last_read_sequence;
	spinlock_t irq_lock;

	/*
	* Device state
	*/

	uint32_t traces_state;
	uint32_t enable_state;
	uint32_t config_done_state;

	/**
	* Execbuf
	*/
	/**
	* Protected by the cmdbuf mutex.
	*/

	struct vmw_sw_context ctx;
	uint32_t val_seq;
	struct mutex cmdbuf_mutex;

	/**
	* GMR management. Protected by the lru spinlock.
	*/

	struct ida gmr_ida;
	struct list_head gmr_lru;


	/**
	* Operating mode.
	*/

	bool stealth;
	bool is_opened;

	/**
	* Master management.
	*/

	struct vmw_master *active_master;
	struct vmw_master fbdev_master;
	struct notifier_block pm_nb;
	};

	static inline struct vmw_private vmw_priv(struct drm_device dev)
	{
	return (struct vmw_private *)dev->dev_private;
	}

	static inline struct vmw_fpriv vmw_fpriv(struct drm_file file_priv)
	{
	return (struct vmw_fpriv *)file_priv->driver_priv;
	}

	static inline struct vmw_master vmw_master(struct drm_master master)
	{
	return (struct vmw_master *) master->driver_priv;
	}

	static inline void vmw_write(struct vmw_private *dev_priv,
	unsigned int offset, uint32_t value)
	{
	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
	outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
	}

	static inline uint32_t vmw_read(struct vmw_private *dev_priv,
	unsigned int offset)
	{
	uint32_t val;

	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
	val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
	return val;
	}

	/**
	* GMR utilities - vmwgfx_gmr.c
	*/

	extern int vmw_gmr_bind(struct vmw_private *dev_priv,
	struct ttm_buffer_object *bo);
	extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);

	/**
	* Resource utilities - vmwgfx_resource.c
	*/

	extern struct vmw_resource vmw_context_alloc(struct vmw_private dev_priv);
	extern void vmw_resource_unreference(struct vmw_resource **p_res);
	extern struct vmw_resource vmw_resource_reference(struct vmw_resource res);
	extern int vmw_context_destroy_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_context_define_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_context_check(struct vmw_private *dev_priv,
	struct ttm_object_file *tfile,
	int id);
	extern void vmw_surface_res_free(struct vmw_resource *res);
	extern int vmw_surface_init(struct vmw_private *dev_priv,
	struct vmw_surface *srf,
	void (res_free) (struct vmw_resource res));
	extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
	struct ttm_object_file *tfile,
	uint32_t handle,
	struct vmw_surface **out);
	extern int vmw_surface_destroy_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_surface_define_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_surface_reference_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_surface_check(struct vmw_private *dev_priv,
	struct ttm_object_file *tfile,
	uint32_t handle, int *id);
	extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
	extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
	struct vmw_dma_buffer *vmw_bo,
	size_t size, struct ttm_placement *placement,
	bool interuptable,
	void (bo_free) (struct ttm_buffer_object bo));
	extern int vmw_dmabuf_alloc_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_dmabuf_unref_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
	uint32_t cur_validate_node);
	extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
	extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
	uint32_t id, struct vmw_dma_buffer **out);
	extern uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo);
	extern void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id);
	extern int vmw_gmr_id_alloc(struct vmw_private dev_priv, uint32_t p_id);
	extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
	struct vmw_dma_buffer *bo);
	extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
	struct vmw_dma_buffer *bo);
	extern void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo);
	extern int vmw_stream_claim_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_stream_unref_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
	struct ttm_object_file *tfile,
	uint32_t *inout_id,
	struct vmw_resource **out);


	/**
	* Misc Ioctl functionality - vmwgfx_ioctl.c
	*/

	extern int vmw_getparam_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_fifo_debug_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);

	/**
	* Fifo utilities - vmwgfx_fifo.c
	*/

	extern int vmw_fifo_init(struct vmw_private *dev_priv,
	struct vmw_fifo_state *fifo);
	extern void vmw_fifo_release(struct vmw_private *dev_priv,
	struct vmw_fifo_state *fifo);
	extern void vmw_fifo_reserve(struct vmw_private dev_priv, uint32_t bytes);
	extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
	extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
	uint32_t *sequence);
	extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
	extern int vmw_fifo_mmap(struct file filp, struct vm_area_struct vma);

	/**
	* TTM glue - vmwgfx_ttm_glue.c
	*/

	extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
	extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
	extern int vmw_mmap(struct file filp, struct vm_area_struct vma);

	/**
	* TTM buffer object driver - vmwgfx_buffer.c
	*/

	extern struct ttm_placement vmw_vram_placement;
	extern struct ttm_placement vmw_vram_ne_placement;
	extern struct ttm_placement vmw_vram_sys_placement;
	extern struct ttm_placement vmw_sys_placement;
	extern struct ttm_bo_driver vmw_bo_driver;
	extern int vmw_dma_quiescent(struct drm_device *dev);

	/**
	* Command submission - vmwgfx_execbuf.c
	*/

	extern int vmw_execbuf_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);

	/**
	* IRQs and wating - vmwgfx_irq.c
	*/

	extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
	extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
	uint32_t sequence, bool interruptible,
	unsigned long timeout);
	extern void vmw_irq_preinstall(struct drm_device *dev);
	extern int vmw_irq_postinstall(struct drm_device *dev);
	extern void vmw_irq_uninstall(struct drm_device *dev);
	extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
	uint32_t sequence);
	extern int vmw_fence_wait_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	extern int vmw_fallback_wait(struct vmw_private *dev_priv,
	bool lazy,
	bool fifo_idle,
	uint32_t sequence,
	bool interruptible,
	unsigned long timeout);

	/**
	* Kernel framebuffer - vmwgfx_fb.c
	*/

	int vmw_fb_init(struct vmw_private *vmw_priv);
	int vmw_fb_close(struct vmw_private *dev_priv);
	int vmw_fb_off(struct vmw_private *vmw_priv);
	int vmw_fb_on(struct vmw_private *vmw_priv);

	/**
	* Kernel modesetting - vmwgfx_kms.c
	*/

	int vmw_kms_init(struct vmw_private *dev_priv);
	int vmw_kms_close(struct vmw_private *dev_priv);
	int vmw_kms_save_vga(struct vmw_private *vmw_priv);
	int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
	int vmw_kms_cursor_bypass_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
	void vmw_kms_cursor_snoop(struct vmw_surface *srf,
	struct ttm_object_file *tfile,
	struct ttm_buffer_object *bo,
	SVGA3dCmdHeader *header);

	/**
	* Overlay control - vmwgfx_overlay.c
	*/

	int vmw_overlay_init(struct vmw_private *dev_priv);
	int vmw_overlay_close(struct vmw_private *dev_priv);
	int vmw_overlay_ioctl(struct drm_device dev, void data,
	struct drm_file *file_priv);
	int vmw_overlay_stop_all(struct vmw_private *dev_priv);
	int vmw_overlay_resume_all(struct vmw_private *dev_priv);
	int vmw_overlay_pause_all(struct vmw_private *dev_priv);
	int vmw_overlay_claim(struct vmw_private dev_priv, uint32_t out);
	int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
	int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
	int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);

	/**
	* Inline helper functions
	*/

	static inline void vmw_surface_unreference(struct vmw_surface **srf)
	{
	struct vmw_surface tmp_srf = srf;
	struct vmw_resource *res = &tmp_srf->res;
	*srf = NULL;

	vmw_resource_unreference(&res);
	}

	static inline struct vmw_surface vmw_surface_reference(struct vmw_surface srf)
	{
	(void) vmw_resource_reference(&srf->res);
	return srf;
	}

	static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
	{
	struct vmw_dma_buffer tmp_buf = buf;
	struct ttm_buffer_object *bo = &tmp_buf->base;
	*buf = NULL;

	ttm_bo_unref(&bo);
	}

	static inline struct vmw_dma_buffer vmw_dmabuf_reference(struct vmw_dma_buffer buf)
	{
	if (ttm_bo_reference(&buf->base))
	return buf;
	return NULL;
	}

	#endif