tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
62struct vmw_fpriv {
63 struct drm_master *locked_master;
64 struct ttm_object_file *tfile;
65 struct list_head fence_events;
66};
67
68struct 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 */
82struct vmw_validate_buffer {
83 struct ttm_validate_buffer base;
84 struct drm_hash_item hash;
85};
86
87struct vmw_res_func;
88struct 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
105enum vmw_res_type {
106 vmw_res_context,
107 vmw_res_surface,
108 vmw_res_stream,
109 vmw_res_max
110};
111
112struct vmw_cursor_snooper {
113 struct drm_crtc *crtc;
114 size_t age;
115 uint32_t *image;
116};
117
118struct vmw_framebuffer;
119struct vmw_surface_offset;
120
121struct 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
137struct vmw_marker_queue {
138 struct list_head head;
139 struct timespec lag;
140 struct timespec lag_time;
141 spinlock_t lock;
142};
143
144struct 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
156struct 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 */
173struct 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/**
181 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
182 */
183enum vmw_dma_map_mode {
184 vmw_dma_phys, /* Use physical page addresses */
185 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
186 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
187 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
188 vmw_dma_map_max
189};
190
191/**
192 * struct vmw_sg_table - Scatter/gather table for binding, with additional
193 * device-specific information.
194 *
195 * @sgt: Pointer to a struct sg_table with binding information
196 * @num_regions: Number of regions with device-address contigous pages
197 */
198struct vmw_sg_table {
199 enum vmw_dma_map_mode mode;
200 struct page **pages;
201 const dma_addr_t *addrs;
202 struct sg_table *sgt;
203 unsigned long num_regions;
204 unsigned long num_pages;
205};
206
207/**
208 * struct vmw_piter - Page iterator that iterates over a list of pages
209 * and DMA addresses that could be either a scatter-gather list or
210 * arrays
211 *
212 * @pages: Array of page pointers to the pages.
213 * @addrs: DMA addresses to the pages if coherent pages are used.
214 * @iter: Scatter-gather page iterator. Current position in SG list.
215 * @i: Current position in arrays.
216 * @num_pages: Number of pages total.
217 * @next: Function to advance the iterator. Returns false if past the list
218 * of pages, true otherwise.
219 * @dma_address: Function to return the DMA address of the current page.
220 */
221struct vmw_piter {
222 struct page **pages;
223 const dma_addr_t *addrs;
224 struct sg_page_iter iter;
225 unsigned long i;
226 unsigned long num_pages;
227 bool (*next)(struct vmw_piter *);
228 dma_addr_t (*dma_address)(struct vmw_piter *);
229 struct page *(*page)(struct vmw_piter *);
230};
231
232struct vmw_sw_context{
233 struct drm_open_hash res_ht;
234 bool res_ht_initialized;
235 bool kernel; /**< is the called made from the kernel */
236 struct ttm_object_file *tfile;
237 struct list_head validate_nodes;
238 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
239 uint32_t cur_reloc;
240 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
241 uint32_t cur_val_buf;
242 uint32_t *cmd_bounce;
243 uint32_t cmd_bounce_size;
244 struct list_head resource_list;
245 uint32_t fence_flags;
246 struct ttm_buffer_object *cur_query_bo;
247 struct list_head res_relocations;
248 uint32_t *buf_start;
249 struct vmw_res_cache_entry res_cache[vmw_res_max];
250 struct vmw_resource *last_query_ctx;
251 bool needs_post_query_barrier;
252 struct vmw_resource *error_resource;
253};
254
255struct vmw_legacy_display;
256struct vmw_overlay;
257
258struct vmw_master {
259 struct ttm_lock lock;
260 struct mutex fb_surf_mutex;
261 struct list_head fb_surf;
262};
263
264struct vmw_vga_topology_state {
265 uint32_t width;
266 uint32_t height;
267 uint32_t primary;
268 uint32_t pos_x;
269 uint32_t pos_y;
270};
271
272struct vmw_private {
273 struct ttm_bo_device bdev;
274 struct ttm_bo_global_ref bo_global_ref;
275 struct drm_global_reference mem_global_ref;
276
277 struct vmw_fifo_state fifo;
278
279 struct drm_device *dev;
280 unsigned long vmw_chipset;
281 unsigned int io_start;
282 uint32_t vram_start;
283 uint32_t vram_size;
284 uint32_t mmio_start;
285 uint32_t mmio_size;
286 uint32_t fb_max_width;
287 uint32_t fb_max_height;
288 uint32_t initial_width;
289 uint32_t initial_height;
290 __le32 __iomem *mmio_virt;
291 int mmio_mtrr;
292 uint32_t capabilities;
293 uint32_t max_gmr_descriptors;
294 uint32_t max_gmr_ids;
295 uint32_t max_gmr_pages;
296 uint32_t memory_size;
297 bool has_gmr;
298 struct mutex hw_mutex;
299
300 /*
301 * VGA registers.
302 */
303
304 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
305 uint32_t vga_width;
306 uint32_t vga_height;
307 uint32_t vga_bpp;
308 uint32_t vga_bpl;
309 uint32_t vga_pitchlock;
310
311 uint32_t num_displays;
312
313 /*
314 * Framebuffer info.
315 */
316
317 void *fb_info;
318 struct vmw_legacy_display *ldu_priv;
319 struct vmw_screen_object_display *sou_priv;
320 struct vmw_overlay *overlay_priv;
321
322 /*
323 * Context and surface management.
324 */
325
326 rwlock_t resource_lock;
327 struct idr res_idr[vmw_res_max];
328 /*
329 * Block lastclose from racing with firstopen.
330 */
331
332 struct mutex init_mutex;
333
334 /*
335 * A resource manager for kernel-only surfaces and
336 * contexts.
337 */
338
339 struct ttm_object_device *tdev;
340
341 /*
342 * Fencing and IRQs.
343 */
344
345 atomic_t marker_seq;
346 wait_queue_head_t fence_queue;
347 wait_queue_head_t fifo_queue;
348 int fence_queue_waiters; /* Protected by hw_mutex */
349 int goal_queue_waiters; /* Protected by hw_mutex */
350 atomic_t fifo_queue_waiters;
351 uint32_t last_read_seqno;
352 spinlock_t irq_lock;
353 struct vmw_fence_manager *fman;
354 uint32_t irq_mask;
355
356 /*
357 * Device state
358 */
359
360 uint32_t traces_state;
361 uint32_t enable_state;
362 uint32_t config_done_state;
363
364 /**
365 * Execbuf
366 */
367 /**
368 * Protected by the cmdbuf mutex.
369 */
370
371 struct vmw_sw_context ctx;
372 struct mutex cmdbuf_mutex;
373
374 /**
375 * Operating mode.
376 */
377
378 bool stealth;
379 bool enable_fb;
380
381 /**
382 * Master management.
383 */
384
385 struct vmw_master *active_master;
386 struct vmw_master fbdev_master;
387 struct notifier_block pm_nb;
388 bool suspended;
389
390 struct mutex release_mutex;
391 uint32_t num_3d_resources;
392
393 /*
394 * Query processing. These members
395 * are protected by the cmdbuf mutex.
396 */
397
398 struct ttm_buffer_object *dummy_query_bo;
399 struct ttm_buffer_object *pinned_bo;
400 uint32_t query_cid;
401 uint32_t query_cid_valid;
402 bool dummy_query_bo_pinned;
403
404 /*
405 * Surface swapping. The "surface_lru" list is protected by the
406 * resource lock in order to be able to destroy a surface and take
407 * it off the lru atomically. "used_memory_size" is currently
408 * protected by the cmdbuf mutex for simplicity.
409 */
410
411 struct list_head res_lru[vmw_res_max];
412 uint32_t used_memory_size;
413
414 /*
415 * DMA mapping stuff.
416 */
417 enum vmw_dma_map_mode map_mode;
418};
419
420static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
421{
422 return container_of(res, struct vmw_surface, res);
423}
424
425static inline struct vmw_private *vmw_priv(struct drm_device *dev)
426{
427 return (struct vmw_private *)dev->dev_private;
428}
429
430static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
431{
432 return (struct vmw_fpriv *)file_priv->driver_priv;
433}
434
435static inline struct vmw_master *vmw_master(struct drm_master *master)
436{
437 return (struct vmw_master *) master->driver_priv;
438}
439
440static inline void vmw_write(struct vmw_private *dev_priv,
441 unsigned int offset, uint32_t value)
442{
443 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
444 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
445}
446
447static inline uint32_t vmw_read(struct vmw_private *dev_priv,
448 unsigned int offset)
449{
450 uint32_t val;
451
452 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
453 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
454 return val;
455}
456
457int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
458void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
459
460/**
461 * GMR utilities - vmwgfx_gmr.c
462 */
463
464extern int vmw_gmr_bind(struct vmw_private *dev_priv,
465 const struct vmw_sg_table *vsgt,
466 unsigned long num_pages,
467 int gmr_id);
468extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
469
470/**
471 * Resource utilities - vmwgfx_resource.c
472 */
473struct vmw_user_resource_conv;
474extern const struct vmw_user_resource_conv *user_surface_converter;
475extern const struct vmw_user_resource_conv *user_context_converter;
476
477extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
478extern void vmw_resource_unreference(struct vmw_resource **p_res);
479extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
480extern int vmw_resource_validate(struct vmw_resource *res);
481extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
482extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
483extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
484 struct drm_file *file_priv);
485extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
486 struct drm_file *file_priv);
487extern int vmw_context_check(struct vmw_private *dev_priv,
488 struct ttm_object_file *tfile,
489 int id,
490 struct vmw_resource **p_res);
491extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
492 struct ttm_object_file *tfile,
493 uint32_t handle,
494 struct vmw_surface **out_surf,
495 struct vmw_dma_buffer **out_buf);
496extern int vmw_user_resource_lookup_handle(
497 struct vmw_private *dev_priv,
498 struct ttm_object_file *tfile,
499 uint32_t handle,
500 const struct vmw_user_resource_conv *converter,
501 struct vmw_resource **p_res);
502extern void vmw_surface_res_free(struct vmw_resource *res);
503extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
504 struct drm_file *file_priv);
505extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
506 struct drm_file *file_priv);
507extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
508 struct drm_file *file_priv);
509extern int vmw_surface_check(struct vmw_private *dev_priv,
510 struct ttm_object_file *tfile,
511 uint32_t handle, int *id);
512extern int vmw_surface_validate(struct vmw_private *dev_priv,
513 struct vmw_surface *srf);
514extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
515extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
516 struct vmw_dma_buffer *vmw_bo,
517 size_t size, struct ttm_placement *placement,
518 bool interuptable,
519 void (*bo_free) (struct ttm_buffer_object *bo));
520extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
521 struct ttm_object_file *tfile);
522extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
523 struct drm_file *file_priv);
524extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
525 struct drm_file *file_priv);
526extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
527 uint32_t cur_validate_node);
528extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
529extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
530 uint32_t id, struct vmw_dma_buffer **out);
531extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
532 struct drm_file *file_priv);
533extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
534 struct drm_file *file_priv);
535extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
536 struct ttm_object_file *tfile,
537 uint32_t *inout_id,
538 struct vmw_resource **out);
539extern void vmw_resource_unreserve(struct vmw_resource *res,
540 struct vmw_dma_buffer *new_backup,
541 unsigned long new_backup_offset);
542extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
543 struct ttm_mem_reg *mem);
544extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
545 struct vmw_fence_obj *fence);
546extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
547
548/**
549 * DMA buffer helper routines - vmwgfx_dmabuf.c
550 */
551extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
552 struct vmw_dma_buffer *bo,
553 struct ttm_placement *placement,
554 bool interruptible);
555extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
556 struct vmw_dma_buffer *buf,
557 bool pin, bool interruptible);
558extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
559 struct vmw_dma_buffer *buf,
560 bool pin, bool interruptible);
561extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
562 struct vmw_dma_buffer *bo,
563 bool pin, bool interruptible);
564extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
565 struct vmw_dma_buffer *bo,
566 bool interruptible);
567extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
568 SVGAGuestPtr *ptr);
569extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
570
571/**
572 * Misc Ioctl functionality - vmwgfx_ioctl.c
573 */
574
575extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
576 struct drm_file *file_priv);
577extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
578 struct drm_file *file_priv);
579extern int vmw_present_ioctl(struct drm_device *dev, void *data,
580 struct drm_file *file_priv);
581extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
582 struct drm_file *file_priv);
583extern unsigned int vmw_fops_poll(struct file *filp,
584 struct poll_table_struct *wait);
585extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
586 size_t count, loff_t *offset);
587
588/**
589 * Fifo utilities - vmwgfx_fifo.c
590 */
591
592extern int vmw_fifo_init(struct vmw_private *dev_priv,
593 struct vmw_fifo_state *fifo);
594extern void vmw_fifo_release(struct vmw_private *dev_priv,
595 struct vmw_fifo_state *fifo);
596extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
597extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
598extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
599 uint32_t *seqno);
600extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
601extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
602extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
603extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
604 uint32_t cid);
605
606/**
607 * TTM glue - vmwgfx_ttm_glue.c
608 */
609
610extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
611extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
612extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
613
614/**
615 * TTM buffer object driver - vmwgfx_buffer.c
616 */
617
618extern struct ttm_placement vmw_vram_placement;
619extern struct ttm_placement vmw_vram_ne_placement;
620extern struct ttm_placement vmw_vram_sys_placement;
621extern struct ttm_placement vmw_vram_gmr_placement;
622extern struct ttm_placement vmw_vram_gmr_ne_placement;
623extern struct ttm_placement vmw_sys_placement;
624extern struct ttm_placement vmw_evictable_placement;
625extern struct ttm_placement vmw_srf_placement;
626extern struct ttm_bo_driver vmw_bo_driver;
627extern int vmw_dma_quiescent(struct drm_device *dev);
628extern void vmw_piter_start(struct vmw_piter *viter,
629 const struct vmw_sg_table *vsgt,
630 unsigned long p_offs);
631
632/**
633 * vmw_piter_next - Advance the iterator one page.
634 *
635 * @viter: Pointer to the iterator to advance.
636 *
637 * Returns false if past the list of pages, true otherwise.
638 */
639static inline bool vmw_piter_next(struct vmw_piter *viter)
640{
641 return viter->next(viter);
642}
643
644/**
645 * vmw_piter_dma_addr - Return the DMA address of the current page.
646 *
647 * @viter: Pointer to the iterator
648 *
649 * Returns the DMA address of the page pointed to by @viter.
650 */
651static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
652{
653 return viter->dma_address(viter);
654}
655
656/**
657 * vmw_piter_page - Return a pointer to the current page.
658 *
659 * @viter: Pointer to the iterator
660 *
661 * Returns the DMA address of the page pointed to by @viter.
662 */
663static inline struct page *vmw_piter_page(struct vmw_piter *viter)
664{
665 return viter->page(viter);
666}
667
668/**
669 * Command submission - vmwgfx_execbuf.c
670 */
671
672extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
673 struct drm_file *file_priv);
674extern int vmw_execbuf_process(struct drm_file *file_priv,
675 struct vmw_private *dev_priv,
676 void __user *user_commands,
677 void *kernel_commands,
678 uint32_t command_size,
679 uint64_t throttle_us,
680 struct drm_vmw_fence_rep __user
681 *user_fence_rep,
682 struct vmw_fence_obj **out_fence);
683extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
684 struct vmw_fence_obj *fence);
685extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
686
687extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
688 struct vmw_private *dev_priv,
689 struct vmw_fence_obj **p_fence,
690 uint32_t *p_handle);
691extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
692 struct vmw_fpriv *vmw_fp,
693 int ret,
694 struct drm_vmw_fence_rep __user
695 *user_fence_rep,
696 struct vmw_fence_obj *fence,
697 uint32_t fence_handle);
698
699/**
700 * IRQs and wating - vmwgfx_irq.c
701 */
702
703extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
704extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
705 uint32_t seqno, bool interruptible,
706 unsigned long timeout);
707extern void vmw_irq_preinstall(struct drm_device *dev);
708extern int vmw_irq_postinstall(struct drm_device *dev);
709extern void vmw_irq_uninstall(struct drm_device *dev);
710extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
711 uint32_t seqno);
712extern int vmw_fallback_wait(struct vmw_private *dev_priv,
713 bool lazy,
714 bool fifo_idle,
715 uint32_t seqno,
716 bool interruptible,
717 unsigned long timeout);
718extern void vmw_update_seqno(struct vmw_private *dev_priv,
719 struct vmw_fifo_state *fifo_state);
720extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
721extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
722extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
723extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
724
725/**
726 * Rudimentary fence-like objects currently used only for throttling -
727 * vmwgfx_marker.c
728 */
729
730extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
731extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
732extern int vmw_marker_push(struct vmw_marker_queue *queue,
733 uint32_t seqno);
734extern int vmw_marker_pull(struct vmw_marker_queue *queue,
735 uint32_t signaled_seqno);
736extern int vmw_wait_lag(struct vmw_private *dev_priv,
737 struct vmw_marker_queue *queue, uint32_t us);
738
739/**
740 * Kernel framebuffer - vmwgfx_fb.c
741 */
742
743int vmw_fb_init(struct vmw_private *vmw_priv);
744int vmw_fb_close(struct vmw_private *dev_priv);
745int vmw_fb_off(struct vmw_private *vmw_priv);
746int vmw_fb_on(struct vmw_private *vmw_priv);
747
748/**
749 * Kernel modesetting - vmwgfx_kms.c
750 */
751
752int vmw_kms_init(struct vmw_private *dev_priv);
753int vmw_kms_close(struct vmw_private *dev_priv);
754int vmw_kms_save_vga(struct vmw_private *vmw_priv);
755int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
756int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
757 struct drm_file *file_priv);
758void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
759void vmw_kms_cursor_snoop(struct vmw_surface *srf,
760 struct ttm_object_file *tfile,
761 struct ttm_buffer_object *bo,
762 SVGA3dCmdHeader *header);
763int vmw_kms_write_svga(struct vmw_private *vmw_priv,
764 unsigned width, unsigned height, unsigned pitch,
765 unsigned bpp, unsigned depth);
766void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
767bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
768 uint32_t pitch,
769 uint32_t height);
770u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
771int vmw_enable_vblank(struct drm_device *dev, int crtc);
772void vmw_disable_vblank(struct drm_device *dev, int crtc);
773int vmw_kms_present(struct vmw_private *dev_priv,
774 struct drm_file *file_priv,
775 struct vmw_framebuffer *vfb,
776 struct vmw_surface *surface,
777 uint32_t sid, int32_t destX, int32_t destY,
778 struct drm_vmw_rect *clips,
779 uint32_t num_clips);
780int vmw_kms_readback(struct vmw_private *dev_priv,
781 struct drm_file *file_priv,
782 struct vmw_framebuffer *vfb,
783 struct drm_vmw_fence_rep __user *user_fence_rep,
784 struct drm_vmw_rect *clips,
785 uint32_t num_clips);
786int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
787 struct drm_file *file_priv);
788
789int vmw_dumb_create(struct drm_file *file_priv,
790 struct drm_device *dev,
791 struct drm_mode_create_dumb *args);
792
793int vmw_dumb_map_offset(struct drm_file *file_priv,
794 struct drm_device *dev, uint32_t handle,
795 uint64_t *offset);
796int vmw_dumb_destroy(struct drm_file *file_priv,
797 struct drm_device *dev,
798 uint32_t handle);
799/**
800 * Overlay control - vmwgfx_overlay.c
801 */
802
803int vmw_overlay_init(struct vmw_private *dev_priv);
804int vmw_overlay_close(struct vmw_private *dev_priv);
805int vmw_overlay_ioctl(struct drm_device *dev, void *data,
806 struct drm_file *file_priv);
807int vmw_overlay_stop_all(struct vmw_private *dev_priv);
808int vmw_overlay_resume_all(struct vmw_private *dev_priv);
809int vmw_overlay_pause_all(struct vmw_private *dev_priv);
810int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
811int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
812int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
813int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
814
815/**
816 * GMR Id manager
817 */
818
819extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
820
821/**
822 * Prime - vmwgfx_prime.c
823 */
824
825extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
826extern int vmw_prime_fd_to_handle(struct drm_device *dev,
827 struct drm_file *file_priv,
828 int fd, u32 *handle);
829extern int vmw_prime_handle_to_fd(struct drm_device *dev,
830 struct drm_file *file_priv,
831 uint32_t handle, uint32_t flags,
832 int *prime_fd);
833
834
835/**
836 * Inline helper functions
837 */
838
839static inline void vmw_surface_unreference(struct vmw_surface **srf)
840{
841 struct vmw_surface *tmp_srf = *srf;
842 struct vmw_resource *res = &tmp_srf->res;
843 *srf = NULL;
844
845 vmw_resource_unreference(&res);
846}
847
848static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
849{
850 (void) vmw_resource_reference(&srf->res);
851 return srf;
852}
853
854static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
855{
856 struct vmw_dma_buffer *tmp_buf = *buf;
857
858 *buf = NULL;
859 if (tmp_buf != NULL) {
860 struct ttm_buffer_object *bo = &tmp_buf->base;
861
862 ttm_bo_unref(&bo);
863 }
864}
865
866static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
867{
868 if (ttm_bo_reference(&buf->base))
869 return buf;
870 return NULL;
871}
872
873static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
874{
875 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
876}
877#endif