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 <drm/drmP.h>
33 #include <drm/vmwgfx_drm.h>
34 #include <drm/drm_hashtab.h>
35 #include <linux/suspend.h>
36 #include <drm/ttm/ttm_bo_driver.h>
37 #include <drm/ttm/ttm_object.h>
38 #include <drm/ttm/ttm_lock.h>
39 #include <drm/ttm/ttm_execbuf_util.h>
40 #include <drm/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 res_list;
71 };
72
73 /**
74 * struct vmw_validate_buffer - Carries validation info about buffers.
75 *
76 * @base: Validation info for TTM.
77 * @hash: Hash entry for quick lookup of the TTM buffer object.
78 *
79 * This structure contains also driver private validation info
80 * on top of the info needed by TTM.
81 */
82 struct vmw_validate_buffer {
83 struct ttm_validate_buffer base;
84 struct drm_hash_item hash;
85 };
86
87 struct vmw_res_func;
88 struct vmw_resource {
89 struct kref kref;
90 struct vmw_private *dev_priv;
91 int id;
92 bool avail;
93 unsigned long backup_size;
94 bool res_dirty; /* Protected by backup buffer reserved */
95 bool backup_dirty; /* Protected by backup buffer reserved */
96 struct vmw_dma_buffer *backup;
97 unsigned long backup_offset;
98 const struct vmw_res_func *func;
99 struct list_head lru_head; /* Protected by the resource lock */
100 struct list_head mob_head; /* Protected by @backup reserved */
101 void (*res_free) (struct vmw_resource *res);
102 void (*hw_destroy) (struct vmw_resource *res);
103 };
104
105 enum vmw_res_type {
106 vmw_res_context,
107 vmw_res_surface,
108 vmw_res_stream,
109 vmw_res_max
110 };
111
112 struct vmw_cursor_snooper {
113 struct drm_crtc *crtc;
114 size_t age;
115 uint32_t *image;
116 };
117
118 struct vmw_framebuffer;
119 struct vmw_surface_offset;
120
121 struct vmw_surface {
122 struct vmw_resource res;
123 uint32_t flags;
124 uint32_t format;
125 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
126 struct drm_vmw_size base_size;
127 struct drm_vmw_size *sizes;
128 uint32_t num_sizes;
129 bool scanout;
130 /* TODO so far just a extra pointer */
131 struct vmw_cursor_snooper snooper;
132 struct vmw_surface_offset *offsets;
133 SVGA3dTextureFilter autogen_filter;
134 uint32_t multisample_count;
135 };
136
137 struct vmw_marker_queue {
138 struct list_head head;
139 struct timespec lag;
140 struct timespec lag_time;
141 spinlock_t lock;
142 };
143
144 struct vmw_fifo_state {
145 unsigned long reserved_size;
146 __le32 *dynamic_buffer;
147 __le32 *static_buffer;
148 unsigned long static_buffer_size;
149 bool using_bounce_buffer;
150 uint32_t capabilities;
151 struct mutex fifo_mutex;
152 struct rw_semaphore rwsem;
153 struct vmw_marker_queue marker_queue;
154 };
155
156 struct vmw_relocation {
157 SVGAGuestPtr *location;
158 uint32_t index;
159 };
160
161 /**
162 * struct vmw_res_cache_entry - resource information cache entry
163 *
164 * @valid: Whether the entry is valid, which also implies that the execbuf
165 * code holds a reference to the resource, and it's placed on the
166 * validation list.
167 * @handle: User-space handle of a resource.
168 * @res: Non-ref-counted pointer to the resource.
169 *
170 * Used to avoid frequent repeated user-space handle lookups of the
171 * same resource.
172 */
173 struct vmw_res_cache_entry {
174 bool valid;
175 uint32_t handle;
176 struct vmw_resource *res;
177 struct vmw_resource_val_node *node;
178 };
179
180 struct vmw_sw_context{
181 struct drm_open_hash res_ht;
182 bool res_ht_initialized;
183 bool kernel; /**< is the called made from the kernel */
184 struct ttm_object_file *tfile;
185 struct list_head validate_nodes;
186 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
187 uint32_t cur_reloc;
188 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
189 uint32_t cur_val_buf;
190 uint32_t *cmd_bounce;
191 uint32_t cmd_bounce_size;
192 struct list_head resource_list;
193 uint32_t fence_flags;
194 struct ttm_buffer_object *cur_query_bo;
195 struct list_head res_relocations;
196 uint32_t *buf_start;
197 struct vmw_res_cache_entry res_cache[vmw_res_max];
198 struct vmw_resource *last_query_ctx;
199 bool needs_post_query_barrier;
200 struct vmw_resource *error_resource;
201 };
202
203 struct vmw_legacy_display;
204 struct vmw_overlay;
205
206 struct vmw_master {
207 struct ttm_lock lock;
208 struct mutex fb_surf_mutex;
209 struct list_head fb_surf;
210 };
211
212 struct vmw_vga_topology_state {
213 uint32_t width;
214 uint32_t height;
215 uint32_t primary;
216 uint32_t pos_x;
217 uint32_t pos_y;
218 };
219
220 struct vmw_private {
221 struct ttm_bo_device bdev;
222 struct ttm_bo_global_ref bo_global_ref;
223 struct drm_global_reference mem_global_ref;
224
225 struct vmw_fifo_state fifo;
226
227 struct drm_device *dev;
228 unsigned long vmw_chipset;
229 unsigned int io_start;
230 uint32_t vram_start;
231 uint32_t vram_size;
232 uint32_t mmio_start;
233 uint32_t mmio_size;
234 uint32_t fb_max_width;
235 uint32_t fb_max_height;
236 uint32_t initial_width;
237 uint32_t initial_height;
238 __le32 __iomem *mmio_virt;
239 int mmio_mtrr;
240 uint32_t capabilities;
241 uint32_t max_gmr_descriptors;
242 uint32_t max_gmr_ids;
243 uint32_t max_gmr_pages;
244 uint32_t memory_size;
245 bool has_gmr;
246 struct mutex hw_mutex;
247
248 /*
249 * VGA registers.
250 */
251
252 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
253 uint32_t vga_width;
254 uint32_t vga_height;
255 uint32_t vga_bpp;
256 uint32_t vga_bpl;
257 uint32_t vga_pitchlock;
258
259 uint32_t num_displays;
260
261 /*
262 * Framebuffer info.
263 */
264
265 void *fb_info;
266 struct vmw_legacy_display *ldu_priv;
267 struct vmw_screen_object_display *sou_priv;
268 struct vmw_overlay *overlay_priv;
269
270 /*
271 * Context and surface management.
272 */
273
274 rwlock_t resource_lock;
275 struct idr res_idr[vmw_res_max];
276 /*
277 * Block lastclose from racing with firstopen.
278 */
279
280 struct mutex init_mutex;
281
282 /*
283 * A resource manager for kernel-only surfaces and
284 * contexts.
285 */
286
287 struct ttm_object_device *tdev;
288
289 /*
290 * Fencing and IRQs.
291 */
292
293 atomic_t marker_seq;
294 wait_queue_head_t fence_queue;
295 wait_queue_head_t fifo_queue;
296 int fence_queue_waiters; /* Protected by hw_mutex */
297 int goal_queue_waiters; /* Protected by hw_mutex */
298 atomic_t fifo_queue_waiters;
299 uint32_t last_read_seqno;
300 spinlock_t irq_lock;
301 struct vmw_fence_manager *fman;
302 uint32_t irq_mask;
303
304 /*
305 * Device state
306 */
307
308 uint32_t traces_state;
309 uint32_t enable_state;
310 uint32_t config_done_state;
311
312 /**
313 * Execbuf
314 */
315 /**
316 * Protected by the cmdbuf mutex.
317 */
318
319 struct vmw_sw_context ctx;
320 struct mutex cmdbuf_mutex;
321
322 /**
323 * Operating mode.
324 */
325
326 bool stealth;
327 bool is_opened;
328 bool enable_fb;
329
330 /**
331 * Master management.
332 */
333
334 struct vmw_master *active_master;
335 struct vmw_master fbdev_master;
336 struct notifier_block pm_nb;
337 bool suspended;
338
339 struct mutex release_mutex;
340 uint32_t num_3d_resources;
341
342 /*
343 * Query processing. These members
344 * are protected by the cmdbuf mutex.
345 */
346
347 struct ttm_buffer_object *dummy_query_bo;
348 struct ttm_buffer_object *pinned_bo;
349 uint32_t query_cid;
350 uint32_t query_cid_valid;
351 bool dummy_query_bo_pinned;
352
353 /*
354 * Surface swapping. The "surface_lru" list is protected by the
355 * resource lock in order to be able to destroy a surface and take
356 * it off the lru atomically. "used_memory_size" is currently
357 * protected by the cmdbuf mutex for simplicity.
358 */
359
360 struct list_head res_lru[vmw_res_max];
361 uint32_t used_memory_size;
362 };
363
vmw_res_to_srf(struct vmw_resource * res)364 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
365 {
366 return container_of(res, struct vmw_surface, res);
367 }
368
vmw_priv(struct drm_device * dev)369 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
370 {
371 return (struct vmw_private *)dev->dev_private;
372 }
373
vmw_fpriv(struct drm_file * file_priv)374 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
375 {
376 return (struct vmw_fpriv *)file_priv->driver_priv;
377 }
378
vmw_master(struct drm_master * master)379 static inline struct vmw_master *vmw_master(struct drm_master *master)
380 {
381 return (struct vmw_master *) master->driver_priv;
382 }
383
vmw_write(struct vmw_private * dev_priv,unsigned int offset,uint32_t value)384 static inline void vmw_write(struct vmw_private *dev_priv,
385 unsigned int offset, uint32_t value)
386 {
387 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
388 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
389 }
390
vmw_read(struct vmw_private * dev_priv,unsigned int offset)391 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
392 unsigned int offset)
393 {
394 uint32_t val;
395
396 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
397 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
398 return val;
399 }
400
401 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
402 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
403
404 /**
405 * GMR utilities - vmwgfx_gmr.c
406 */
407
408 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
409 struct page *pages[],
410 unsigned long num_pages,
411 int gmr_id);
412 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
413
414 /**
415 * Resource utilities - vmwgfx_resource.c
416 */
417 struct vmw_user_resource_conv;
418 extern const struct vmw_user_resource_conv *user_surface_converter;
419 extern const struct vmw_user_resource_conv *user_context_converter;
420
421 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
422 extern void vmw_resource_unreference(struct vmw_resource **p_res);
423 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
424 extern int vmw_resource_validate(struct vmw_resource *res);
425 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
426 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
427 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
428 struct drm_file *file_priv);
429 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
430 struct drm_file *file_priv);
431 extern int vmw_context_check(struct vmw_private *dev_priv,
432 struct ttm_object_file *tfile,
433 int id,
434 struct vmw_resource **p_res);
435 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
436 struct ttm_object_file *tfile,
437 uint32_t handle,
438 struct vmw_surface **out_surf,
439 struct vmw_dma_buffer **out_buf);
440 extern int vmw_user_resource_lookup_handle(
441 struct vmw_private *dev_priv,
442 struct ttm_object_file *tfile,
443 uint32_t handle,
444 const struct vmw_user_resource_conv *converter,
445 struct vmw_resource **p_res);
446 extern void vmw_surface_res_free(struct vmw_resource *res);
447 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
448 struct drm_file *file_priv);
449 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
450 struct drm_file *file_priv);
451 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
452 struct drm_file *file_priv);
453 extern int vmw_surface_check(struct vmw_private *dev_priv,
454 struct ttm_object_file *tfile,
455 uint32_t handle, int *id);
456 extern int vmw_surface_validate(struct vmw_private *dev_priv,
457 struct vmw_surface *srf);
458 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
459 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
460 struct vmw_dma_buffer *vmw_bo,
461 size_t size, struct ttm_placement *placement,
462 bool interuptable,
463 void (*bo_free) (struct ttm_buffer_object *bo));
464 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
465 struct ttm_object_file *tfile);
466 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
467 struct drm_file *file_priv);
468 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
469 struct drm_file *file_priv);
470 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
471 uint32_t cur_validate_node);
472 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
473 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
474 uint32_t id, struct vmw_dma_buffer **out);
475 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
476 struct drm_file *file_priv);
477 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
478 struct drm_file *file_priv);
479 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
480 struct ttm_object_file *tfile,
481 uint32_t *inout_id,
482 struct vmw_resource **out);
483 extern void vmw_resource_unreserve(struct vmw_resource *res,
484 struct vmw_dma_buffer *new_backup,
485 unsigned long new_backup_offset);
486 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
487 struct ttm_mem_reg *mem);
488 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
489 struct vmw_fence_obj *fence);
490 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
491
492 /**
493 * DMA buffer helper routines - vmwgfx_dmabuf.c
494 */
495 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
496 struct vmw_dma_buffer *bo,
497 struct ttm_placement *placement,
498 bool interruptible);
499 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
500 struct vmw_dma_buffer *buf,
501 bool pin, bool interruptible);
502 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
503 struct vmw_dma_buffer *buf,
504 bool pin, bool interruptible);
505 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
506 struct vmw_dma_buffer *bo,
507 bool pin, bool interruptible);
508 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
509 struct vmw_dma_buffer *bo,
510 bool interruptible);
511 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
512 SVGAGuestPtr *ptr);
513 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
514
515 /**
516 * Misc Ioctl functionality - vmwgfx_ioctl.c
517 */
518
519 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
520 struct drm_file *file_priv);
521 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
522 struct drm_file *file_priv);
523 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
524 struct drm_file *file_priv);
525 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
526 struct drm_file *file_priv);
527 extern unsigned int vmw_fops_poll(struct file *filp,
528 struct poll_table_struct *wait);
529 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
530 size_t count, loff_t *offset);
531
532 /**
533 * Fifo utilities - vmwgfx_fifo.c
534 */
535
536 extern int vmw_fifo_init(struct vmw_private *dev_priv,
537 struct vmw_fifo_state *fifo);
538 extern void vmw_fifo_release(struct vmw_private *dev_priv,
539 struct vmw_fifo_state *fifo);
540 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
541 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
542 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
543 uint32_t *seqno);
544 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
545 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
546 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
547 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
548 uint32_t cid);
549
550 /**
551 * TTM glue - vmwgfx_ttm_glue.c
552 */
553
554 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
555 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
556 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
557
558 /**
559 * TTM buffer object driver - vmwgfx_buffer.c
560 */
561
562 extern struct ttm_placement vmw_vram_placement;
563 extern struct ttm_placement vmw_vram_ne_placement;
564 extern struct ttm_placement vmw_vram_sys_placement;
565 extern struct ttm_placement vmw_vram_gmr_placement;
566 extern struct ttm_placement vmw_vram_gmr_ne_placement;
567 extern struct ttm_placement vmw_sys_placement;
568 extern struct ttm_placement vmw_evictable_placement;
569 extern struct ttm_placement vmw_srf_placement;
570 extern struct ttm_bo_driver vmw_bo_driver;
571 extern int vmw_dma_quiescent(struct drm_device *dev);
572
573 /**
574 * Command submission - vmwgfx_execbuf.c
575 */
576
577 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
578 struct drm_file *file_priv);
579 extern int vmw_execbuf_process(struct drm_file *file_priv,
580 struct vmw_private *dev_priv,
581 void __user *user_commands,
582 void *kernel_commands,
583 uint32_t command_size,
584 uint64_t throttle_us,
585 struct drm_vmw_fence_rep __user
586 *user_fence_rep,
587 struct vmw_fence_obj **out_fence);
588 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
589 struct vmw_fence_obj *fence);
590 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
591
592 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
593 struct vmw_private *dev_priv,
594 struct vmw_fence_obj **p_fence,
595 uint32_t *p_handle);
596 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
597 struct vmw_fpriv *vmw_fp,
598 int ret,
599 struct drm_vmw_fence_rep __user
600 *user_fence_rep,
601 struct vmw_fence_obj *fence,
602 uint32_t fence_handle);
603
604 /**
605 * IRQs and wating - vmwgfx_irq.c
606 */
607
608 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
609 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
610 uint32_t seqno, bool interruptible,
611 unsigned long timeout);
612 extern void vmw_irq_preinstall(struct drm_device *dev);
613 extern int vmw_irq_postinstall(struct drm_device *dev);
614 extern void vmw_irq_uninstall(struct drm_device *dev);
615 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
616 uint32_t seqno);
617 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
618 bool lazy,
619 bool fifo_idle,
620 uint32_t seqno,
621 bool interruptible,
622 unsigned long timeout);
623 extern void vmw_update_seqno(struct vmw_private *dev_priv,
624 struct vmw_fifo_state *fifo_state);
625 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
626 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
627 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
628 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
629
630 /**
631 * Rudimentary fence-like objects currently used only for throttling -
632 * vmwgfx_marker.c
633 */
634
635 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
636 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
637 extern int vmw_marker_push(struct vmw_marker_queue *queue,
638 uint32_t seqno);
639 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
640 uint32_t signaled_seqno);
641 extern int vmw_wait_lag(struct vmw_private *dev_priv,
642 struct vmw_marker_queue *queue, uint32_t us);
643
644 /**
645 * Kernel framebuffer - vmwgfx_fb.c
646 */
647
648 int vmw_fb_init(struct vmw_private *vmw_priv);
649 int vmw_fb_close(struct vmw_private *dev_priv);
650 int vmw_fb_off(struct vmw_private *vmw_priv);
651 int vmw_fb_on(struct vmw_private *vmw_priv);
652
653 /**
654 * Kernel modesetting - vmwgfx_kms.c
655 */
656
657 int vmw_kms_init(struct vmw_private *dev_priv);
658 int vmw_kms_close(struct vmw_private *dev_priv);
659 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
660 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
661 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
662 struct drm_file *file_priv);
663 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
664 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
665 struct ttm_object_file *tfile,
666 struct ttm_buffer_object *bo,
667 SVGA3dCmdHeader *header);
668 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
669 unsigned width, unsigned height, unsigned pitch,
670 unsigned bpp, unsigned depth);
671 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
672 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
673 uint32_t pitch,
674 uint32_t height);
675 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
676 int vmw_enable_vblank(struct drm_device *dev, int crtc);
677 void vmw_disable_vblank(struct drm_device *dev, int crtc);
678 int vmw_kms_present(struct vmw_private *dev_priv,
679 struct drm_file *file_priv,
680 struct vmw_framebuffer *vfb,
681 struct vmw_surface *surface,
682 uint32_t sid, int32_t destX, int32_t destY,
683 struct drm_vmw_rect *clips,
684 uint32_t num_clips);
685 int vmw_kms_readback(struct vmw_private *dev_priv,
686 struct drm_file *file_priv,
687 struct vmw_framebuffer *vfb,
688 struct drm_vmw_fence_rep __user *user_fence_rep,
689 struct drm_vmw_rect *clips,
690 uint32_t num_clips);
691 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
692 struct drm_file *file_priv);
693
694 int vmw_dumb_create(struct drm_file *file_priv,
695 struct drm_device *dev,
696 struct drm_mode_create_dumb *args);
697
698 int vmw_dumb_map_offset(struct drm_file *file_priv,
699 struct drm_device *dev, uint32_t handle,
700 uint64_t *offset);
701 int vmw_dumb_destroy(struct drm_file *file_priv,
702 struct drm_device *dev,
703 uint32_t handle);
704 /**
705 * Overlay control - vmwgfx_overlay.c
706 */
707
708 int vmw_overlay_init(struct vmw_private *dev_priv);
709 int vmw_overlay_close(struct vmw_private *dev_priv);
710 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
711 struct drm_file *file_priv);
712 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
713 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
714 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
715 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
716 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
717 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
718 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
719
720 /**
721 * GMR Id manager
722 */
723
724 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
725
726 /**
727 * Inline helper functions
728 */
729
vmw_surface_unreference(struct vmw_surface ** srf)730 static inline void vmw_surface_unreference(struct vmw_surface **srf)
731 {
732 struct vmw_surface *tmp_srf = *srf;
733 struct vmw_resource *res = &tmp_srf->res;
734 *srf = NULL;
735
736 vmw_resource_unreference(&res);
737 }
738
vmw_surface_reference(struct vmw_surface * srf)739 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
740 {
741 (void) vmw_resource_reference(&srf->res);
742 return srf;
743 }
744
vmw_dmabuf_unreference(struct vmw_dma_buffer ** buf)745 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
746 {
747 struct vmw_dma_buffer *tmp_buf = *buf;
748
749 *buf = NULL;
750 if (tmp_buf != NULL) {
751 struct ttm_buffer_object *bo = &tmp_buf->base;
752
753 ttm_bo_unref(&bo);
754 }
755 }
756
vmw_dmabuf_reference(struct vmw_dma_buffer * buf)757 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
758 {
759 if (ttm_bo_reference(&buf->base))
760 return buf;
761 return NULL;
762 }
763
vmw_mem_glob(struct vmw_private * dev_priv)764 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
765 {
766 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
767 }
768 #endif
769