1 /**************************************************************************
2  *
3  * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
25  *
26  **************************************************************************/
27 
28 #ifndef _VMWGFX_DRV_H_
29 #define _VMWGFX_DRV_H_
30 
31 #include "vmwgfx_reg.h"
32 #include "drmP.h"
33 #include "vmwgfx_drm.h"
34 #include "drm_hashtab.h"
35 #include "linux/suspend.h"
36 #include "ttm/ttm_bo_driver.h"
37 #include "ttm/ttm_object.h"
38 #include "ttm/ttm_lock.h"
39 #include "ttm/ttm_execbuf_util.h"
40 #include "ttm/ttm_module.h"
41 #include "vmwgfx_fence.h"
42 
43 #define VMWGFX_DRIVER_DATE "20120209"
44 #define VMWGFX_DRIVER_MAJOR 2
45 #define VMWGFX_DRIVER_MINOR 4
46 #define VMWGFX_DRIVER_PATCHLEVEL 0
47 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
48 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
49 #define VMWGFX_MAX_RELOCATIONS 2048
50 #define VMWGFX_MAX_VALIDATIONS 2048
51 #define VMWGFX_MAX_DISPLAYS 16
52 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
53 
54 #define VMW_PL_GMR TTM_PL_PRIV0
55 #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
56 
57 #define VMW_RES_CONTEXT ttm_driver_type0
58 #define VMW_RES_SURFACE ttm_driver_type1
59 #define VMW_RES_STREAM ttm_driver_type2
60 #define VMW_RES_FENCE ttm_driver_type3
61 
62 struct vmw_fpriv {
63 	struct drm_master *locked_master;
64 	struct ttm_object_file *tfile;
65 	struct list_head fence_events;
66 };
67 
68 struct vmw_dma_buffer {
69 	struct ttm_buffer_object base;
70 	struct list_head validate_list;
71 	bool gmr_bound;
72 	uint32_t cur_validate_node;
73 	bool on_validate_list;
74 };
75 
76 struct vmw_resource {
77 	struct kref kref;
78 	struct vmw_private *dev_priv;
79 	struct idr *idr;
80 	int id;
81 	enum ttm_object_type res_type;
82 	bool avail;
83 	void (*remove_from_lists) (struct vmw_resource *res);
84 	void (*hw_destroy) (struct vmw_resource *res);
85 	void (*res_free) (struct vmw_resource *res);
86 	struct list_head validate_head;
87 	struct list_head query_head; /* Protected by the cmdbuf mutex */
88 	/* TODO is a generic snooper needed? */
89 #if 0
90 	void (*snoop)(struct vmw_resource *res,
91 		      struct ttm_object_file *tfile,
92 		      SVGA3dCmdHeader *header);
93 	void *snoop_priv;
94 #endif
95 };
96 
97 struct vmw_cursor_snooper {
98 	struct drm_crtc *crtc;
99 	size_t age;
100 	uint32_t *image;
101 };
102 
103 struct vmw_framebuffer;
104 struct vmw_surface_offset;
105 
106 struct vmw_surface {
107 	struct vmw_resource res;
108 	struct list_head lru_head; /* Protected by the resource lock */
109 	uint32_t flags;
110 	uint32_t format;
111 	uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
112 	struct drm_vmw_size *sizes;
113 	uint32_t num_sizes;
114 
115 	bool scanout;
116 
117 	/* TODO so far just a extra pointer */
118 	struct vmw_cursor_snooper snooper;
119 	struct ttm_buffer_object *backup;
120 	struct vmw_surface_offset *offsets;
121 	uint32_t backup_size;
122 };
123 
124 struct vmw_marker_queue {
125 	struct list_head head;
126 	struct timespec lag;
127 	struct timespec lag_time;
128 	spinlock_t lock;
129 };
130 
131 struct vmw_fifo_state {
132 	unsigned long reserved_size;
133 	__le32 *dynamic_buffer;
134 	__le32 *static_buffer;
135 	unsigned long static_buffer_size;
136 	bool using_bounce_buffer;
137 	uint32_t capabilities;
138 	struct mutex fifo_mutex;
139 	struct rw_semaphore rwsem;
140 	struct vmw_marker_queue marker_queue;
141 };
142 
143 struct vmw_relocation {
144 	SVGAGuestPtr *location;
145 	uint32_t index;
146 };
147 
148 struct vmw_sw_context{
149 	struct ida bo_list;
150 	uint32_t last_cid;
151 	bool cid_valid;
152 	bool kernel; /**< is the called made from the kernel */
153 	struct vmw_resource *cur_ctx;
154 	uint32_t last_sid;
155 	uint32_t sid_translation;
156 	bool sid_valid;
157 	struct ttm_object_file *tfile;
158 	struct list_head validate_nodes;
159 	struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
160 	uint32_t cur_reloc;
161 	struct ttm_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
162 	uint32_t cur_val_buf;
163 	uint32_t *cmd_bounce;
164 	uint32_t cmd_bounce_size;
165 	struct list_head resource_list;
166 	uint32_t fence_flags;
167 	struct list_head query_list;
168 	struct ttm_buffer_object *cur_query_bo;
169 	uint32_t cur_query_cid;
170 	bool query_cid_valid;
171 };
172 
173 struct vmw_legacy_display;
174 struct vmw_overlay;
175 
176 struct vmw_master {
177 	struct ttm_lock lock;
178 	struct mutex fb_surf_mutex;
179 	struct list_head fb_surf;
180 };
181 
182 struct vmw_vga_topology_state {
183 	uint32_t width;
184 	uint32_t height;
185 	uint32_t primary;
186 	uint32_t pos_x;
187 	uint32_t pos_y;
188 };
189 
190 struct vmw_private {
191 	struct ttm_bo_device bdev;
192 	struct ttm_bo_global_ref bo_global_ref;
193 	struct drm_global_reference mem_global_ref;
194 
195 	struct vmw_fifo_state fifo;
196 
197 	struct drm_device *dev;
198 	unsigned long vmw_chipset;
199 	unsigned int io_start;
200 	uint32_t vram_start;
201 	uint32_t vram_size;
202 	uint32_t mmio_start;
203 	uint32_t mmio_size;
204 	uint32_t fb_max_width;
205 	uint32_t fb_max_height;
206 	uint32_t initial_width;
207 	uint32_t initial_height;
208 	__le32 __iomem *mmio_virt;
209 	int mmio_mtrr;
210 	uint32_t capabilities;
211 	uint32_t max_gmr_descriptors;
212 	uint32_t max_gmr_ids;
213 	uint32_t max_gmr_pages;
214 	uint32_t memory_size;
215 	bool has_gmr;
216 	struct mutex hw_mutex;
217 
218 	/*
219 	 * VGA registers.
220 	 */
221 
222 	struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
223 	uint32_t vga_width;
224 	uint32_t vga_height;
225 	uint32_t vga_bpp;
226 	uint32_t vga_bpl;
227 	uint32_t vga_pitchlock;
228 
229 	uint32_t num_displays;
230 
231 	/*
232 	 * Framebuffer info.
233 	 */
234 
235 	void *fb_info;
236 	struct vmw_legacy_display *ldu_priv;
237 	struct vmw_screen_object_display *sou_priv;
238 	struct vmw_overlay *overlay_priv;
239 
240 	/*
241 	 * Context and surface management.
242 	 */
243 
244 	rwlock_t resource_lock;
245 	struct idr context_idr;
246 	struct idr surface_idr;
247 	struct idr stream_idr;
248 
249 	/*
250 	 * Block lastclose from racing with firstopen.
251 	 */
252 
253 	struct mutex init_mutex;
254 
255 	/*
256 	 * A resource manager for kernel-only surfaces and
257 	 * contexts.
258 	 */
259 
260 	struct ttm_object_device *tdev;
261 
262 	/*
263 	 * Fencing and IRQs.
264 	 */
265 
266 	atomic_t marker_seq;
267 	wait_queue_head_t fence_queue;
268 	wait_queue_head_t fifo_queue;
269 	int fence_queue_waiters; /* Protected by hw_mutex */
270 	int goal_queue_waiters; /* Protected by hw_mutex */
271 	atomic_t fifo_queue_waiters;
272 	uint32_t last_read_seqno;
273 	spinlock_t irq_lock;
274 	struct vmw_fence_manager *fman;
275 	uint32_t irq_mask;
276 
277 	/*
278 	 * Device state
279 	 */
280 
281 	uint32_t traces_state;
282 	uint32_t enable_state;
283 	uint32_t config_done_state;
284 
285 	/**
286 	 * Execbuf
287 	 */
288 	/**
289 	 * Protected by the cmdbuf mutex.
290 	 */
291 
292 	struct vmw_sw_context ctx;
293 	struct mutex cmdbuf_mutex;
294 
295 	/**
296 	 * Operating mode.
297 	 */
298 
299 	bool stealth;
300 	bool is_opened;
301 	bool enable_fb;
302 
303 	/**
304 	 * Master management.
305 	 */
306 
307 	struct vmw_master *active_master;
308 	struct vmw_master fbdev_master;
309 	struct notifier_block pm_nb;
310 	bool suspended;
311 
312 	struct mutex release_mutex;
313 	uint32_t num_3d_resources;
314 
315 	/*
316 	 * Query processing. These members
317 	 * are protected by the cmdbuf mutex.
318 	 */
319 
320 	struct ttm_buffer_object *dummy_query_bo;
321 	struct ttm_buffer_object *pinned_bo;
322 	uint32_t query_cid;
323 	bool dummy_query_bo_pinned;
324 
325 	/*
326 	 * Surface swapping. The "surface_lru" list is protected by the
327 	 * resource lock in order to be able to destroy a surface and take
328 	 * it off the lru atomically. "used_memory_size" is currently
329 	 * protected by the cmdbuf mutex for simplicity.
330 	 */
331 
332 	struct list_head surface_lru;
333 	uint32_t used_memory_size;
334 };
335 
vmw_priv(struct drm_device * dev)336 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
337 {
338 	return (struct vmw_private *)dev->dev_private;
339 }
340 
vmw_fpriv(struct drm_file * file_priv)341 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
342 {
343 	return (struct vmw_fpriv *)file_priv->driver_priv;
344 }
345 
vmw_master(struct drm_master * master)346 static inline struct vmw_master *vmw_master(struct drm_master *master)
347 {
348 	return (struct vmw_master *) master->driver_priv;
349 }
350 
vmw_write(struct vmw_private * dev_priv,unsigned int offset,uint32_t value)351 static inline void vmw_write(struct vmw_private *dev_priv,
352 			     unsigned int offset, uint32_t value)
353 {
354 	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
355 	outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
356 }
357 
vmw_read(struct vmw_private * dev_priv,unsigned int offset)358 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
359 				unsigned int offset)
360 {
361 	uint32_t val;
362 
363 	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
364 	val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
365 	return val;
366 }
367 
368 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
369 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
370 
371 /**
372  * GMR utilities - vmwgfx_gmr.c
373  */
374 
375 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
376 			struct page *pages[],
377 			unsigned long num_pages,
378 			int gmr_id);
379 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
380 
381 /**
382  * Resource utilities - vmwgfx_resource.c
383  */
384 
385 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
386 extern void vmw_resource_unreference(struct vmw_resource **p_res);
387 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
388 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
389 				     struct drm_file *file_priv);
390 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
391 				    struct drm_file *file_priv);
392 extern int vmw_context_check(struct vmw_private *dev_priv,
393 			     struct ttm_object_file *tfile,
394 			     int id,
395 			     struct vmw_resource **p_res);
396 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
397 				  struct ttm_object_file *tfile,
398 				  uint32_t handle,
399 				  struct vmw_surface **out_surf,
400 				  struct vmw_dma_buffer **out_buf);
401 extern void vmw_surface_res_free(struct vmw_resource *res);
402 extern int vmw_surface_init(struct vmw_private *dev_priv,
403 			    struct vmw_surface *srf,
404 			    void (*res_free) (struct vmw_resource *res));
405 extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
406 					  struct ttm_object_file *tfile,
407 					  uint32_t handle,
408 					  struct vmw_surface **out);
409 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
410 				     struct drm_file *file_priv);
411 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
412 				    struct drm_file *file_priv);
413 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
414 				       struct drm_file *file_priv);
415 extern int vmw_surface_check(struct vmw_private *dev_priv,
416 			     struct ttm_object_file *tfile,
417 			     uint32_t handle, int *id);
418 extern int vmw_surface_validate(struct vmw_private *dev_priv,
419 				struct vmw_surface *srf);
420 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
421 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
422 			   struct vmw_dma_buffer *vmw_bo,
423 			   size_t size, struct ttm_placement *placement,
424 			   bool interuptable,
425 			   void (*bo_free) (struct ttm_buffer_object *bo));
426 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
427 				  struct drm_file *file_priv);
428 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
429 				  struct drm_file *file_priv);
430 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
431 					 uint32_t cur_validate_node);
432 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
433 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
434 				  uint32_t id, struct vmw_dma_buffer **out);
435 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
436 				  struct drm_file *file_priv);
437 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
438 				  struct drm_file *file_priv);
439 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
440 				  struct ttm_object_file *tfile,
441 				  uint32_t *inout_id,
442 				  struct vmw_resource **out);
443 extern void vmw_resource_unreserve(struct list_head *list);
444 
445 /**
446  * DMA buffer helper routines - vmwgfx_dmabuf.c
447  */
448 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
449 				   struct vmw_dma_buffer *bo,
450 				   struct ttm_placement *placement,
451 				   bool interruptible);
452 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
453 			      struct vmw_dma_buffer *buf,
454 			      bool pin, bool interruptible);
455 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
456 				     struct vmw_dma_buffer *buf,
457 				     bool pin, bool interruptible);
458 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
459 				       struct vmw_dma_buffer *bo,
460 				       bool pin, bool interruptible);
461 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
462 			    struct vmw_dma_buffer *bo,
463 			    bool interruptible);
464 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
465 				 SVGAGuestPtr *ptr);
466 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
467 
468 /**
469  * Misc Ioctl functionality - vmwgfx_ioctl.c
470  */
471 
472 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
473 			      struct drm_file *file_priv);
474 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
475 				struct drm_file *file_priv);
476 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
477 			     struct drm_file *file_priv);
478 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
479 				      struct drm_file *file_priv);
480 extern unsigned int vmw_fops_poll(struct file *filp,
481 				  struct poll_table_struct *wait);
482 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
483 			     size_t count, loff_t *offset);
484 
485 /**
486  * Fifo utilities - vmwgfx_fifo.c
487  */
488 
489 extern int vmw_fifo_init(struct vmw_private *dev_priv,
490 			 struct vmw_fifo_state *fifo);
491 extern void vmw_fifo_release(struct vmw_private *dev_priv,
492 			     struct vmw_fifo_state *fifo);
493 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
494 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
495 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
496 			       uint32_t *seqno);
497 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
498 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
499 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
500 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
501 				     uint32_t cid);
502 
503 /**
504  * TTM glue - vmwgfx_ttm_glue.c
505  */
506 
507 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
508 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
509 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
510 
511 /**
512  * TTM buffer object driver - vmwgfx_buffer.c
513  */
514 
515 extern struct ttm_placement vmw_vram_placement;
516 extern struct ttm_placement vmw_vram_ne_placement;
517 extern struct ttm_placement vmw_vram_sys_placement;
518 extern struct ttm_placement vmw_vram_gmr_placement;
519 extern struct ttm_placement vmw_vram_gmr_ne_placement;
520 extern struct ttm_placement vmw_sys_placement;
521 extern struct ttm_placement vmw_evictable_placement;
522 extern struct ttm_placement vmw_srf_placement;
523 extern struct ttm_bo_driver vmw_bo_driver;
524 extern int vmw_dma_quiescent(struct drm_device *dev);
525 
526 /**
527  * Command submission - vmwgfx_execbuf.c
528  */
529 
530 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
531 			     struct drm_file *file_priv);
532 extern int vmw_execbuf_process(struct drm_file *file_priv,
533 			       struct vmw_private *dev_priv,
534 			       void __user *user_commands,
535 			       void *kernel_commands,
536 			       uint32_t command_size,
537 			       uint64_t throttle_us,
538 			       struct drm_vmw_fence_rep __user
539 			       *user_fence_rep,
540 			       struct vmw_fence_obj **out_fence);
541 
542 extern void
543 vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
544 			      bool only_on_cid_match, uint32_t cid);
545 
546 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
547 				      struct vmw_private *dev_priv,
548 				      struct vmw_fence_obj **p_fence,
549 				      uint32_t *p_handle);
550 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
551 					struct vmw_fpriv *vmw_fp,
552 					int ret,
553 					struct drm_vmw_fence_rep __user
554 					*user_fence_rep,
555 					struct vmw_fence_obj *fence,
556 					uint32_t fence_handle);
557 
558 /**
559  * IRQs and wating - vmwgfx_irq.c
560  */
561 
562 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
563 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
564 			     uint32_t seqno, bool interruptible,
565 			     unsigned long timeout);
566 extern void vmw_irq_preinstall(struct drm_device *dev);
567 extern int vmw_irq_postinstall(struct drm_device *dev);
568 extern void vmw_irq_uninstall(struct drm_device *dev);
569 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
570 				uint32_t seqno);
571 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
572 			     bool lazy,
573 			     bool fifo_idle,
574 			     uint32_t seqno,
575 			     bool interruptible,
576 			     unsigned long timeout);
577 extern void vmw_update_seqno(struct vmw_private *dev_priv,
578 				struct vmw_fifo_state *fifo_state);
579 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
580 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
581 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
582 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
583 
584 /**
585  * Rudimentary fence-like objects currently used only for throttling -
586  * vmwgfx_marker.c
587  */
588 
589 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
590 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
591 extern int vmw_marker_push(struct vmw_marker_queue *queue,
592 			  uint32_t seqno);
593 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
594 			  uint32_t signaled_seqno);
595 extern int vmw_wait_lag(struct vmw_private *dev_priv,
596 			struct vmw_marker_queue *queue, uint32_t us);
597 
598 /**
599  * Kernel framebuffer - vmwgfx_fb.c
600  */
601 
602 int vmw_fb_init(struct vmw_private *vmw_priv);
603 int vmw_fb_close(struct vmw_private *dev_priv);
604 int vmw_fb_off(struct vmw_private *vmw_priv);
605 int vmw_fb_on(struct vmw_private *vmw_priv);
606 
607 /**
608  * Kernel modesetting - vmwgfx_kms.c
609  */
610 
611 int vmw_kms_init(struct vmw_private *dev_priv);
612 int vmw_kms_close(struct vmw_private *dev_priv);
613 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
614 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
615 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
616 				struct drm_file *file_priv);
617 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
618 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
619 			  struct ttm_object_file *tfile,
620 			  struct ttm_buffer_object *bo,
621 			  SVGA3dCmdHeader *header);
622 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
623 		       unsigned width, unsigned height, unsigned pitch,
624 		       unsigned bpp, unsigned depth);
625 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
626 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
627 				uint32_t pitch,
628 				uint32_t height);
629 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
630 int vmw_enable_vblank(struct drm_device *dev, int crtc);
631 void vmw_disable_vblank(struct drm_device *dev, int crtc);
632 int vmw_kms_present(struct vmw_private *dev_priv,
633 		    struct drm_file *file_priv,
634 		    struct vmw_framebuffer *vfb,
635 		    struct vmw_surface *surface,
636 		    uint32_t sid, int32_t destX, int32_t destY,
637 		    struct drm_vmw_rect *clips,
638 		    uint32_t num_clips);
639 int vmw_kms_readback(struct vmw_private *dev_priv,
640 		     struct drm_file *file_priv,
641 		     struct vmw_framebuffer *vfb,
642 		     struct drm_vmw_fence_rep __user *user_fence_rep,
643 		     struct drm_vmw_rect *clips,
644 		     uint32_t num_clips);
645 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
646 				struct drm_file *file_priv);
647 
648 int vmw_dumb_create(struct drm_file *file_priv,
649 		    struct drm_device *dev,
650 		    struct drm_mode_create_dumb *args);
651 
652 int vmw_dumb_map_offset(struct drm_file *file_priv,
653 			struct drm_device *dev, uint32_t handle,
654 			uint64_t *offset);
655 int vmw_dumb_destroy(struct drm_file *file_priv,
656 		     struct drm_device *dev,
657 		     uint32_t handle);
658 /**
659  * Overlay control - vmwgfx_overlay.c
660  */
661 
662 int vmw_overlay_init(struct vmw_private *dev_priv);
663 int vmw_overlay_close(struct vmw_private *dev_priv);
664 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
665 		      struct drm_file *file_priv);
666 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
667 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
668 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
669 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
670 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
671 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
672 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
673 
674 /**
675  * GMR Id manager
676  */
677 
678 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
679 
680 /**
681  * Inline helper functions
682  */
683 
vmw_surface_unreference(struct vmw_surface ** srf)684 static inline void vmw_surface_unreference(struct vmw_surface **srf)
685 {
686 	struct vmw_surface *tmp_srf = *srf;
687 	struct vmw_resource *res = &tmp_srf->res;
688 	*srf = NULL;
689 
690 	vmw_resource_unreference(&res);
691 }
692 
vmw_surface_reference(struct vmw_surface * srf)693 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
694 {
695 	(void) vmw_resource_reference(&srf->res);
696 	return srf;
697 }
698 
vmw_dmabuf_unreference(struct vmw_dma_buffer ** buf)699 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
700 {
701 	struct vmw_dma_buffer *tmp_buf = *buf;
702 	struct ttm_buffer_object *bo = &tmp_buf->base;
703 	*buf = NULL;
704 
705 	ttm_bo_unref(&bo);
706 }
707 
vmw_dmabuf_reference(struct vmw_dma_buffer * buf)708 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
709 {
710 	if (ttm_bo_reference(&buf->base))
711 		return buf;
712 	return NULL;
713 }
714 
vmw_mem_glob(struct vmw_private * dev_priv)715 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
716 {
717 	return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
718 }
719 #endif
720