drm/vmwgfx: Treat out-of-range initial width and height as host errors
[linux-2.6.git] / drivers / gpu / drm / vmwgfx / vmwgfx_drv.h
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 "20111025"
44 #define VMWGFX_DRIVER_MAJOR 2
45 #define VMWGFX_DRIVER_MINOR 3
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
336 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
337 {
338         return (struct vmw_private *)dev->dev_private;
339 }
340
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
346 static inline struct vmw_master *vmw_master(struct drm_master *master)
347 {
348         return (struct vmw_master *) master->driver_priv;
349 }
350
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
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 /**
649  * Overlay control - vmwgfx_overlay.c
650  */
651
652 int vmw_overlay_init(struct vmw_private *dev_priv);
653 int vmw_overlay_close(struct vmw_private *dev_priv);
654 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
655                       struct drm_file *file_priv);
656 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
657 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
658 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
659 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
660 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
661 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
662 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
663
664 /**
665  * Fence function - vmwgfx_fence.c
666  */
667
668 int vmw_event_fence_action_queue(struct drm_file *file_priv,
669                                  struct vmw_fence_obj *fence,
670                                  struct drm_pending_event *event,
671                                  uint32_t *tv_sec,
672                                  uint32_t *tv_usec,
673                                  bool interruptible);
674
675
676 /**
677  * GMR Id manager
678  */
679
680 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
681
682 /**
683  * Inline helper functions
684  */
685
686 static inline void vmw_surface_unreference(struct vmw_surface **srf)
687 {
688         struct vmw_surface *tmp_srf = *srf;
689         struct vmw_resource *res = &tmp_srf->res;
690         *srf = NULL;
691
692         vmw_resource_unreference(&res);
693 }
694
695 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
696 {
697         (void) vmw_resource_reference(&srf->res);
698         return srf;
699 }
700
701 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
702 {
703         struct vmw_dma_buffer *tmp_buf = *buf;
704         struct ttm_buffer_object *bo = &tmp_buf->base;
705         *buf = NULL;
706
707         ttm_bo_unref(&bo);
708 }
709
710 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
711 {
712         if (ttm_bo_reference(&buf->base))
713                 return buf;
714         return NULL;
715 }
716
717 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
718 {
719         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
720 }
721 #endif