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 "20140325"
44 #define VMWGFX_DRIVER_MAJOR 2
45 #define VMWGFX_DRIVER_MINOR 6
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 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 0
54
55 /*
56 * Perhaps we should have sysfs entries for these.
57 */
58 #define VMWGFX_NUM_GB_CONTEXT 256
59 #define VMWGFX_NUM_GB_SHADER 20000
60 #define VMWGFX_NUM_GB_SURFACE 32768
61 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
62 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
63 VMWGFX_NUM_GB_SHADER +\
64 VMWGFX_NUM_GB_SURFACE +\
65 VMWGFX_NUM_GB_SCREEN_TARGET)
66
67 #define VMW_PL_GMR TTM_PL_PRIV0
68 #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
69 #define VMW_PL_MOB TTM_PL_PRIV1
70 #define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1
71
72 #define VMW_RES_CONTEXT ttm_driver_type0
73 #define VMW_RES_SURFACE ttm_driver_type1
74 #define VMW_RES_STREAM ttm_driver_type2
75 #define VMW_RES_FENCE ttm_driver_type3
76 #define VMW_RES_SHADER ttm_driver_type4
77
78 struct vmw_compat_shader_manager;
79
80 struct vmw_fpriv {
81 struct drm_master *locked_master;
82 struct ttm_object_file *tfile;
83 struct list_head fence_events;
84 bool gb_aware;
85 struct vmw_compat_shader_manager *shman;
86 };
87
88 struct vmw_dma_buffer {
89 struct ttm_buffer_object base;
90 struct list_head res_list;
91 };
92
93 /**
94 * struct vmw_validate_buffer - Carries validation info about buffers.
95 *
96 * @base: Validation info for TTM.
97 * @hash: Hash entry for quick lookup of the TTM buffer object.
98 *
99 * This structure contains also driver private validation info
100 * on top of the info needed by TTM.
101 */
102 struct vmw_validate_buffer {
103 struct ttm_validate_buffer base;
104 struct drm_hash_item hash;
105 bool validate_as_mob;
106 };
107
108 struct vmw_res_func;
109 struct vmw_resource {
110 struct kref kref;
111 struct vmw_private *dev_priv;
112 int id;
113 bool avail;
114 unsigned long backup_size;
115 bool res_dirty; /* Protected by backup buffer reserved */
116 bool backup_dirty; /* Protected by backup buffer reserved */
117 struct vmw_dma_buffer *backup;
118 unsigned long backup_offset;
119 const struct vmw_res_func *func;
120 struct list_head lru_head; /* Protected by the resource lock */
121 struct list_head mob_head; /* Protected by @backup reserved */
122 struct list_head binding_head; /* Protected by binding_mutex */
123 void (*res_free) (struct vmw_resource *res);
124 void (*hw_destroy) (struct vmw_resource *res);
125 };
126
127 enum vmw_res_type {
128 vmw_res_context,
129 vmw_res_surface,
130 vmw_res_stream,
131 vmw_res_shader,
132 vmw_res_max
133 };
134
135 struct vmw_cursor_snooper {
136 struct drm_crtc *crtc;
137 size_t age;
138 uint32_t *image;
139 };
140
141 struct vmw_framebuffer;
142 struct vmw_surface_offset;
143
144 struct vmw_surface {
145 struct vmw_resource res;
146 uint32_t flags;
147 uint32_t format;
148 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
149 struct drm_vmw_size base_size;
150 struct drm_vmw_size *sizes;
151 uint32_t num_sizes;
152 bool scanout;
153 /* TODO so far just a extra pointer */
154 struct vmw_cursor_snooper snooper;
155 struct vmw_surface_offset *offsets;
156 SVGA3dTextureFilter autogen_filter;
157 uint32_t multisample_count;
158 };
159
160 struct vmw_marker_queue {
161 struct list_head head;
162 struct timespec lag;
163 struct timespec lag_time;
164 spinlock_t lock;
165 };
166
167 struct vmw_fifo_state {
168 unsigned long reserved_size;
169 __le32 *dynamic_buffer;
170 __le32 *static_buffer;
171 unsigned long static_buffer_size;
172 bool using_bounce_buffer;
173 uint32_t capabilities;
174 struct mutex fifo_mutex;
175 struct rw_semaphore rwsem;
176 struct vmw_marker_queue marker_queue;
177 };
178
179 struct vmw_relocation {
180 SVGAMobId *mob_loc;
181 SVGAGuestPtr *location;
182 uint32_t index;
183 };
184
185 /**
186 * struct vmw_res_cache_entry - resource information cache entry
187 *
188 * @valid: Whether the entry is valid, which also implies that the execbuf
189 * code holds a reference to the resource, and it's placed on the
190 * validation list.
191 * @handle: User-space handle of a resource.
192 * @res: Non-ref-counted pointer to the resource.
193 *
194 * Used to avoid frequent repeated user-space handle lookups of the
195 * same resource.
196 */
197 struct vmw_res_cache_entry {
198 bool valid;
199 uint32_t handle;
200 struct vmw_resource *res;
201 struct vmw_resource_val_node *node;
202 };
203
204 /**
205 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
206 */
207 enum vmw_dma_map_mode {
208 vmw_dma_phys, /* Use physical page addresses */
209 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
210 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
211 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
212 vmw_dma_map_max
213 };
214
215 /**
216 * struct vmw_sg_table - Scatter/gather table for binding, with additional
217 * device-specific information.
218 *
219 * @sgt: Pointer to a struct sg_table with binding information
220 * @num_regions: Number of regions with device-address contigous pages
221 */
222 struct vmw_sg_table {
223 enum vmw_dma_map_mode mode;
224 struct page **pages;
225 const dma_addr_t *addrs;
226 struct sg_table *sgt;
227 unsigned long num_regions;
228 unsigned long num_pages;
229 };
230
231 /**
232 * struct vmw_piter - Page iterator that iterates over a list of pages
233 * and DMA addresses that could be either a scatter-gather list or
234 * arrays
235 *
236 * @pages: Array of page pointers to the pages.
237 * @addrs: DMA addresses to the pages if coherent pages are used.
238 * @iter: Scatter-gather page iterator. Current position in SG list.
239 * @i: Current position in arrays.
240 * @num_pages: Number of pages total.
241 * @next: Function to advance the iterator. Returns false if past the list
242 * of pages, true otherwise.
243 * @dma_address: Function to return the DMA address of the current page.
244 */
245 struct vmw_piter {
246 struct page **pages;
247 const dma_addr_t *addrs;
248 struct sg_page_iter iter;
249 unsigned long i;
250 unsigned long num_pages;
251 bool (*next)(struct vmw_piter *);
252 dma_addr_t (*dma_address)(struct vmw_piter *);
253 struct page *(*page)(struct vmw_piter *);
254 };
255
256 /*
257 * enum vmw_ctx_binding_type - abstract resource to context binding types
258 */
259 enum vmw_ctx_binding_type {
260 vmw_ctx_binding_shader,
261 vmw_ctx_binding_rt,
262 vmw_ctx_binding_tex,
263 vmw_ctx_binding_max
264 };
265
266 /**
267 * struct vmw_ctx_bindinfo - structure representing a single context binding
268 *
269 * @ctx: Pointer to the context structure. NULL means the binding is not
270 * active.
271 * @res: Non ref-counted pointer to the bound resource.
272 * @bt: The binding type.
273 * @i1: Union of information needed to unbind.
274 */
275 struct vmw_ctx_bindinfo {
276 struct vmw_resource *ctx;
277 struct vmw_resource *res;
278 enum vmw_ctx_binding_type bt;
279 bool scrubbed;
280 union {
281 SVGA3dShaderType shader_type;
282 SVGA3dRenderTargetType rt_type;
283 uint32 texture_stage;
284 } i1;
285 };
286
287 /**
288 * struct vmw_ctx_binding - structure representing a single context binding
289 * - suitable for tracking in a context
290 *
291 * @ctx_list: List head for context.
292 * @res_list: List head for bound resource.
293 * @bi: Binding info
294 */
295 struct vmw_ctx_binding {
296 struct list_head ctx_list;
297 struct list_head res_list;
298 struct vmw_ctx_bindinfo bi;
299 };
300
301
302 /**
303 * struct vmw_ctx_binding_state - context binding state
304 *
305 * @list: linked list of individual bindings.
306 * @render_targets: Render target bindings.
307 * @texture_units: Texture units/samplers bindings.
308 * @shaders: Shader bindings.
309 *
310 * Note that this structure also provides storage space for the individual
311 * struct vmw_ctx_binding objects, so that no dynamic allocation is needed
312 * for individual bindings.
313 *
314 */
315 struct vmw_ctx_binding_state {
316 struct list_head list;
317 struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX];
318 struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS];
319 struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX];
320 };
321
322 struct vmw_sw_context{
323 struct drm_open_hash res_ht;
324 bool res_ht_initialized;
325 bool kernel; /**< is the called made from the kernel */
326 struct vmw_fpriv *fp;
327 struct list_head validate_nodes;
328 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
329 uint32_t cur_reloc;
330 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
331 uint32_t cur_val_buf;
332 uint32_t *cmd_bounce;
333 uint32_t cmd_bounce_size;
334 struct list_head resource_list;
335 uint32_t fence_flags;
336 struct ttm_buffer_object *cur_query_bo;
337 struct list_head res_relocations;
338 uint32_t *buf_start;
339 struct vmw_res_cache_entry res_cache[vmw_res_max];
340 struct vmw_resource *last_query_ctx;
341 bool needs_post_query_barrier;
342 struct vmw_resource *error_resource;
343 struct vmw_ctx_binding_state staged_bindings;
344 struct list_head staged_shaders;
345 };
346
347 struct vmw_legacy_display;
348 struct vmw_overlay;
349
350 struct vmw_master {
351 struct ttm_lock lock;
352 struct mutex fb_surf_mutex;
353 struct list_head fb_surf;
354 };
355
356 struct vmw_vga_topology_state {
357 uint32_t width;
358 uint32_t height;
359 uint32_t primary;
360 uint32_t pos_x;
361 uint32_t pos_y;
362 };
363
364 struct vmw_private {
365 struct ttm_bo_device bdev;
366 struct ttm_bo_global_ref bo_global_ref;
367 struct drm_global_reference mem_global_ref;
368
369 struct vmw_fifo_state fifo;
370
371 struct drm_device *dev;
372 unsigned long vmw_chipset;
373 unsigned int io_start;
374 uint32_t vram_start;
375 uint32_t vram_size;
376 uint32_t prim_bb_mem;
377 uint32_t mmio_start;
378 uint32_t mmio_size;
379 uint32_t fb_max_width;
380 uint32_t fb_max_height;
381 uint32_t initial_width;
382 uint32_t initial_height;
383 __le32 __iomem *mmio_virt;
384 int mmio_mtrr;
385 uint32_t capabilities;
386 uint32_t max_gmr_ids;
387 uint32_t max_gmr_pages;
388 uint32_t max_mob_pages;
389 uint32_t max_mob_size;
390 uint32_t memory_size;
391 bool has_gmr;
392 bool has_mob;
393 struct mutex hw_mutex;
394
395 /*
396 * VGA registers.
397 */
398
399 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
400 uint32_t vga_width;
401 uint32_t vga_height;
402 uint32_t vga_bpp;
403 uint32_t vga_bpl;
404 uint32_t vga_pitchlock;
405
406 uint32_t num_displays;
407
408 /*
409 * Framebuffer info.
410 */
411
412 void *fb_info;
413 struct vmw_legacy_display *ldu_priv;
414 struct vmw_screen_object_display *sou_priv;
415 struct vmw_overlay *overlay_priv;
416
417 /*
418 * Context and surface management.
419 */
420
421 rwlock_t resource_lock;
422 struct idr res_idr[vmw_res_max];
423 /*
424 * Block lastclose from racing with firstopen.
425 */
426
427 struct mutex init_mutex;
428
429 /*
430 * A resource manager for kernel-only surfaces and
431 * contexts.
432 */
433
434 struct ttm_object_device *tdev;
435
436 /*
437 * Fencing and IRQs.
438 */
439
440 atomic_t marker_seq;
441 wait_queue_head_t fence_queue;
442 wait_queue_head_t fifo_queue;
443 int fence_queue_waiters; /* Protected by hw_mutex */
444 int goal_queue_waiters; /* Protected by hw_mutex */
445 atomic_t fifo_queue_waiters;
446 uint32_t last_read_seqno;
447 spinlock_t irq_lock;
448 struct vmw_fence_manager *fman;
449 uint32_t irq_mask;
450
451 /*
452 * Device state
453 */
454
455 uint32_t traces_state;
456 uint32_t enable_state;
457 uint32_t config_done_state;
458
459 /**
460 * Execbuf
461 */
462 /**
463 * Protected by the cmdbuf mutex.
464 */
465
466 struct vmw_sw_context ctx;
467 struct mutex cmdbuf_mutex;
468 struct mutex binding_mutex;
469
470 /**
471 * Operating mode.
472 */
473
474 bool stealth;
475 bool enable_fb;
476
477 /**
478 * Master management.
479 */
480
481 struct vmw_master *active_master;
482 struct vmw_master fbdev_master;
483 struct notifier_block pm_nb;
484 bool suspended;
485
486 struct mutex release_mutex;
487 uint32_t num_3d_resources;
488
489 /*
490 * Replace this with an rwsem as soon as we have down_xx_interruptible()
491 */
492 struct ttm_lock reservation_sem;
493
494 /*
495 * Query processing. These members
496 * are protected by the cmdbuf mutex.
497 */
498
499 struct ttm_buffer_object *dummy_query_bo;
500 struct ttm_buffer_object *pinned_bo;
501 uint32_t query_cid;
502 uint32_t query_cid_valid;
503 bool dummy_query_bo_pinned;
504
505 /*
506 * Surface swapping. The "surface_lru" list is protected by the
507 * resource lock in order to be able to destroy a surface and take
508 * it off the lru atomically. "used_memory_size" is currently
509 * protected by the cmdbuf mutex for simplicity.
510 */
511
512 struct list_head res_lru[vmw_res_max];
513 uint32_t used_memory_size;
514
515 /*
516 * DMA mapping stuff.
517 */
518 enum vmw_dma_map_mode map_mode;
519
520 /*
521 * Guest Backed stuff
522 */
523 struct ttm_buffer_object *otable_bo;
524 struct vmw_otable *otables;
525 };
526
vmw_res_to_srf(struct vmw_resource * res)527 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
528 {
529 return container_of(res, struct vmw_surface, res);
530 }
531
vmw_priv(struct drm_device * dev)532 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
533 {
534 return (struct vmw_private *)dev->dev_private;
535 }
536
vmw_fpriv(struct drm_file * file_priv)537 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
538 {
539 return (struct vmw_fpriv *)file_priv->driver_priv;
540 }
541
vmw_master(struct drm_master * master)542 static inline struct vmw_master *vmw_master(struct drm_master *master)
543 {
544 return (struct vmw_master *) master->driver_priv;
545 }
546
vmw_write(struct vmw_private * dev_priv,unsigned int offset,uint32_t value)547 static inline void vmw_write(struct vmw_private *dev_priv,
548 unsigned int offset, uint32_t value)
549 {
550 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
551 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
552 }
553
vmw_read(struct vmw_private * dev_priv,unsigned int offset)554 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
555 unsigned int offset)
556 {
557 uint32_t val;
558
559 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
560 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
561 return val;
562 }
563
564 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
565 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
566
567 /**
568 * GMR utilities - vmwgfx_gmr.c
569 */
570
571 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
572 const struct vmw_sg_table *vsgt,
573 unsigned long num_pages,
574 int gmr_id);
575 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
576
577 /**
578 * Resource utilities - vmwgfx_resource.c
579 */
580 struct vmw_user_resource_conv;
581
582 extern void vmw_resource_unreference(struct vmw_resource **p_res);
583 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
584 extern struct vmw_resource *
585 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
586 extern int vmw_resource_validate(struct vmw_resource *res);
587 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
588 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
589 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
590 struct ttm_object_file *tfile,
591 uint32_t handle,
592 struct vmw_surface **out_surf,
593 struct vmw_dma_buffer **out_buf);
594 extern int vmw_user_resource_lookup_handle(
595 struct vmw_private *dev_priv,
596 struct ttm_object_file *tfile,
597 uint32_t handle,
598 const struct vmw_user_resource_conv *converter,
599 struct vmw_resource **p_res);
600 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
601 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
602 struct vmw_dma_buffer *vmw_bo,
603 size_t size, struct ttm_placement *placement,
604 bool interuptable,
605 void (*bo_free) (struct ttm_buffer_object *bo));
606 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
607 struct ttm_object_file *tfile);
608 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
609 struct ttm_object_file *tfile,
610 uint32_t size,
611 bool shareable,
612 uint32_t *handle,
613 struct vmw_dma_buffer **p_dma_buf);
614 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
615 struct vmw_dma_buffer *dma_buf,
616 uint32_t *handle);
617 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
618 struct drm_file *file_priv);
619 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
620 struct drm_file *file_priv);
621 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
622 struct drm_file *file_priv);
623 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
624 uint32_t cur_validate_node);
625 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
626 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
627 uint32_t id, struct vmw_dma_buffer **out);
628 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
629 struct drm_file *file_priv);
630 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
631 struct drm_file *file_priv);
632 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
633 struct ttm_object_file *tfile,
634 uint32_t *inout_id,
635 struct vmw_resource **out);
636 extern void vmw_resource_unreserve(struct vmw_resource *res,
637 struct vmw_dma_buffer *new_backup,
638 unsigned long new_backup_offset);
639 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
640 struct ttm_mem_reg *mem);
641 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
642 struct vmw_fence_obj *fence);
643 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
644
645 /**
646 * DMA buffer helper routines - vmwgfx_dmabuf.c
647 */
648 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
649 struct vmw_dma_buffer *bo,
650 struct ttm_placement *placement,
651 bool interruptible);
652 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
653 struct vmw_dma_buffer *buf,
654 bool pin, bool interruptible);
655 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
656 struct vmw_dma_buffer *buf,
657 bool pin, bool interruptible);
658 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
659 struct vmw_dma_buffer *bo,
660 bool pin, bool interruptible);
661 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
662 struct vmw_dma_buffer *bo,
663 bool interruptible);
664 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
665 SVGAGuestPtr *ptr);
666 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
667
668 /**
669 * Misc Ioctl functionality - vmwgfx_ioctl.c
670 */
671
672 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
673 struct drm_file *file_priv);
674 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
675 struct drm_file *file_priv);
676 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
677 struct drm_file *file_priv);
678 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
679 struct drm_file *file_priv);
680 extern unsigned int vmw_fops_poll(struct file *filp,
681 struct poll_table_struct *wait);
682 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
683 size_t count, loff_t *offset);
684
685 /**
686 * Fifo utilities - vmwgfx_fifo.c
687 */
688
689 extern int vmw_fifo_init(struct vmw_private *dev_priv,
690 struct vmw_fifo_state *fifo);
691 extern void vmw_fifo_release(struct vmw_private *dev_priv,
692 struct vmw_fifo_state *fifo);
693 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
694 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
695 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
696 uint32_t *seqno);
697 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
698 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
699 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
700 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
701 uint32_t cid);
702
703 /**
704 * TTM glue - vmwgfx_ttm_glue.c
705 */
706
707 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
708 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
709 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
710
711 /**
712 * TTM buffer object driver - vmwgfx_buffer.c
713 */
714
715 extern const size_t vmw_tt_size;
716 extern struct ttm_placement vmw_vram_placement;
717 extern struct ttm_placement vmw_vram_ne_placement;
718 extern struct ttm_placement vmw_vram_sys_placement;
719 extern struct ttm_placement vmw_vram_gmr_placement;
720 extern struct ttm_placement vmw_vram_gmr_ne_placement;
721 extern struct ttm_placement vmw_sys_placement;
722 extern struct ttm_placement vmw_sys_ne_placement;
723 extern struct ttm_placement vmw_evictable_placement;
724 extern struct ttm_placement vmw_srf_placement;
725 extern struct ttm_placement vmw_mob_placement;
726 extern struct ttm_bo_driver vmw_bo_driver;
727 extern int vmw_dma_quiescent(struct drm_device *dev);
728 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
729 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
730 extern const struct vmw_sg_table *
731 vmw_bo_sg_table(struct ttm_buffer_object *bo);
732 extern void vmw_piter_start(struct vmw_piter *viter,
733 const struct vmw_sg_table *vsgt,
734 unsigned long p_offs);
735
736 /**
737 * vmw_piter_next - Advance the iterator one page.
738 *
739 * @viter: Pointer to the iterator to advance.
740 *
741 * Returns false if past the list of pages, true otherwise.
742 */
vmw_piter_next(struct vmw_piter * viter)743 static inline bool vmw_piter_next(struct vmw_piter *viter)
744 {
745 return viter->next(viter);
746 }
747
748 /**
749 * vmw_piter_dma_addr - Return the DMA address of the current page.
750 *
751 * @viter: Pointer to the iterator
752 *
753 * Returns the DMA address of the page pointed to by @viter.
754 */
vmw_piter_dma_addr(struct vmw_piter * viter)755 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
756 {
757 return viter->dma_address(viter);
758 }
759
760 /**
761 * vmw_piter_page - Return a pointer to the current page.
762 *
763 * @viter: Pointer to the iterator
764 *
765 * Returns the DMA address of the page pointed to by @viter.
766 */
vmw_piter_page(struct vmw_piter * viter)767 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
768 {
769 return viter->page(viter);
770 }
771
772 /**
773 * Command submission - vmwgfx_execbuf.c
774 */
775
776 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
777 struct drm_file *file_priv);
778 extern int vmw_execbuf_process(struct drm_file *file_priv,
779 struct vmw_private *dev_priv,
780 void __user *user_commands,
781 void *kernel_commands,
782 uint32_t command_size,
783 uint64_t throttle_us,
784 struct drm_vmw_fence_rep __user
785 *user_fence_rep,
786 struct vmw_fence_obj **out_fence);
787 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
788 struct vmw_fence_obj *fence);
789 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
790
791 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
792 struct vmw_private *dev_priv,
793 struct vmw_fence_obj **p_fence,
794 uint32_t *p_handle);
795 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
796 struct vmw_fpriv *vmw_fp,
797 int ret,
798 struct drm_vmw_fence_rep __user
799 *user_fence_rep,
800 struct vmw_fence_obj *fence,
801 uint32_t fence_handle);
802
803 /**
804 * IRQs and wating - vmwgfx_irq.c
805 */
806
807 extern irqreturn_t vmw_irq_handler(int irq, void *arg);
808 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
809 uint32_t seqno, bool interruptible,
810 unsigned long timeout);
811 extern void vmw_irq_preinstall(struct drm_device *dev);
812 extern int vmw_irq_postinstall(struct drm_device *dev);
813 extern void vmw_irq_uninstall(struct drm_device *dev);
814 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
815 uint32_t seqno);
816 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
817 bool lazy,
818 bool fifo_idle,
819 uint32_t seqno,
820 bool interruptible,
821 unsigned long timeout);
822 extern void vmw_update_seqno(struct vmw_private *dev_priv,
823 struct vmw_fifo_state *fifo_state);
824 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
825 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
826 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
827 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
828
829 /**
830 * Rudimentary fence-like objects currently used only for throttling -
831 * vmwgfx_marker.c
832 */
833
834 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
835 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
836 extern int vmw_marker_push(struct vmw_marker_queue *queue,
837 uint32_t seqno);
838 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
839 uint32_t signaled_seqno);
840 extern int vmw_wait_lag(struct vmw_private *dev_priv,
841 struct vmw_marker_queue *queue, uint32_t us);
842
843 /**
844 * Kernel framebuffer - vmwgfx_fb.c
845 */
846
847 int vmw_fb_init(struct vmw_private *vmw_priv);
848 int vmw_fb_close(struct vmw_private *dev_priv);
849 int vmw_fb_off(struct vmw_private *vmw_priv);
850 int vmw_fb_on(struct vmw_private *vmw_priv);
851
852 /**
853 * Kernel modesetting - vmwgfx_kms.c
854 */
855
856 int vmw_kms_init(struct vmw_private *dev_priv);
857 int vmw_kms_close(struct vmw_private *dev_priv);
858 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
859 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
860 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
861 struct drm_file *file_priv);
862 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
863 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
864 struct ttm_object_file *tfile,
865 struct ttm_buffer_object *bo,
866 SVGA3dCmdHeader *header);
867 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
868 unsigned width, unsigned height, unsigned pitch,
869 unsigned bpp, unsigned depth);
870 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
871 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
872 uint32_t pitch,
873 uint32_t height);
874 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
875 int vmw_enable_vblank(struct drm_device *dev, int crtc);
876 void vmw_disable_vblank(struct drm_device *dev, int crtc);
877 int vmw_kms_present(struct vmw_private *dev_priv,
878 struct drm_file *file_priv,
879 struct vmw_framebuffer *vfb,
880 struct vmw_surface *surface,
881 uint32_t sid, int32_t destX, int32_t destY,
882 struct drm_vmw_rect *clips,
883 uint32_t num_clips);
884 int vmw_kms_readback(struct vmw_private *dev_priv,
885 struct drm_file *file_priv,
886 struct vmw_framebuffer *vfb,
887 struct drm_vmw_fence_rep __user *user_fence_rep,
888 struct drm_vmw_rect *clips,
889 uint32_t num_clips);
890 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
891 struct drm_file *file_priv);
892
893 int vmw_dumb_create(struct drm_file *file_priv,
894 struct drm_device *dev,
895 struct drm_mode_create_dumb *args);
896
897 int vmw_dumb_map_offset(struct drm_file *file_priv,
898 struct drm_device *dev, uint32_t handle,
899 uint64_t *offset);
900 int vmw_dumb_destroy(struct drm_file *file_priv,
901 struct drm_device *dev,
902 uint32_t handle);
903 /**
904 * Overlay control - vmwgfx_overlay.c
905 */
906
907 int vmw_overlay_init(struct vmw_private *dev_priv);
908 int vmw_overlay_close(struct vmw_private *dev_priv);
909 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
910 struct drm_file *file_priv);
911 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
912 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
913 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
914 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
915 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
916 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
917 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
918
919 /**
920 * GMR Id manager
921 */
922
923 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
924
925 /**
926 * Prime - vmwgfx_prime.c
927 */
928
929 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
930 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
931 struct drm_file *file_priv,
932 int fd, u32 *handle);
933 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
934 struct drm_file *file_priv,
935 uint32_t handle, uint32_t flags,
936 int *prime_fd);
937
938 /*
939 * MemoryOBject management - vmwgfx_mob.c
940 */
941 struct vmw_mob;
942 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
943 const struct vmw_sg_table *vsgt,
944 unsigned long num_data_pages, int32_t mob_id);
945 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
946 struct vmw_mob *mob);
947 extern void vmw_mob_destroy(struct vmw_mob *mob);
948 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
949 extern int vmw_otables_setup(struct vmw_private *dev_priv);
950 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
951
952 /*
953 * Context management - vmwgfx_context.c
954 */
955
956 extern const struct vmw_user_resource_conv *user_context_converter;
957
958 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
959
960 extern int vmw_context_check(struct vmw_private *dev_priv,
961 struct ttm_object_file *tfile,
962 int id,
963 struct vmw_resource **p_res);
964 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
965 struct drm_file *file_priv);
966 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
967 struct drm_file *file_priv);
968 extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
969 const struct vmw_ctx_bindinfo *ci);
970 extern void
971 vmw_context_binding_state_transfer(struct vmw_resource *res,
972 struct vmw_ctx_binding_state *cbs);
973 extern void vmw_context_binding_res_list_kill(struct list_head *head);
974 extern void vmw_context_binding_res_list_scrub(struct list_head *head);
975 extern int vmw_context_rebind_all(struct vmw_resource *ctx);
976 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
977
978 /*
979 * Surface management - vmwgfx_surface.c
980 */
981
982 extern const struct vmw_user_resource_conv *user_surface_converter;
983
984 extern void vmw_surface_res_free(struct vmw_resource *res);
985 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
986 struct drm_file *file_priv);
987 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
988 struct drm_file *file_priv);
989 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
990 struct drm_file *file_priv);
991 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
992 struct drm_file *file_priv);
993 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
994 struct drm_file *file_priv);
995 extern int vmw_surface_check(struct vmw_private *dev_priv,
996 struct ttm_object_file *tfile,
997 uint32_t handle, int *id);
998 extern int vmw_surface_validate(struct vmw_private *dev_priv,
999 struct vmw_surface *srf);
1000
1001 /*
1002 * Shader management - vmwgfx_shader.c
1003 */
1004
1005 extern const struct vmw_user_resource_conv *user_shader_converter;
1006
1007 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1008 struct drm_file *file_priv);
1009 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1010 struct drm_file *file_priv);
1011 extern int vmw_compat_shader_lookup(struct vmw_compat_shader_manager *man,
1012 SVGA3dShaderType shader_type,
1013 u32 *user_key);
1014 extern void vmw_compat_shaders_commit(struct vmw_compat_shader_manager *man,
1015 struct list_head *list);
1016 extern void vmw_compat_shaders_revert(struct vmw_compat_shader_manager *man,
1017 struct list_head *list);
1018 extern int vmw_compat_shader_remove(struct vmw_compat_shader_manager *man,
1019 u32 user_key,
1020 SVGA3dShaderType shader_type,
1021 struct list_head *list);
1022 extern int vmw_compat_shader_add(struct vmw_compat_shader_manager *man,
1023 u32 user_key, const void *bytecode,
1024 SVGA3dShaderType shader_type,
1025 size_t size,
1026 struct ttm_object_file *tfile,
1027 struct list_head *list);
1028 extern struct vmw_compat_shader_manager *
1029 vmw_compat_shader_man_create(struct vmw_private *dev_priv);
1030 extern void
1031 vmw_compat_shader_man_destroy(struct vmw_compat_shader_manager *man);
1032
1033
1034 /**
1035 * Inline helper functions
1036 */
1037
vmw_surface_unreference(struct vmw_surface ** srf)1038 static inline void vmw_surface_unreference(struct vmw_surface **srf)
1039 {
1040 struct vmw_surface *tmp_srf = *srf;
1041 struct vmw_resource *res = &tmp_srf->res;
1042 *srf = NULL;
1043
1044 vmw_resource_unreference(&res);
1045 }
1046
vmw_surface_reference(struct vmw_surface * srf)1047 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1048 {
1049 (void) vmw_resource_reference(&srf->res);
1050 return srf;
1051 }
1052
vmw_dmabuf_unreference(struct vmw_dma_buffer ** buf)1053 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
1054 {
1055 struct vmw_dma_buffer *tmp_buf = *buf;
1056
1057 *buf = NULL;
1058 if (tmp_buf != NULL) {
1059 struct ttm_buffer_object *bo = &tmp_buf->base;
1060
1061 ttm_bo_unref(&bo);
1062 }
1063 }
1064
vmw_dmabuf_reference(struct vmw_dma_buffer * buf)1065 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
1066 {
1067 if (ttm_bo_reference(&buf->base))
1068 return buf;
1069 return NULL;
1070 }
1071
vmw_mem_glob(struct vmw_private * dev_priv)1072 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
1073 {
1074 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
1075 }
1076 #endif
1077