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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
42#define VMWGFX_DRIVER_DATE "20100927"
43#define VMWGFX_DRIVER_MAJOR 1
44#define VMWGFX_DRIVER_MINOR 4
45#define VMWGFX_DRIVER_PATCHLEVEL 0
46#define VMWGFX_FILE_PAGE_OFFSET 0x00100000
47#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
48#define VMWGFX_MAX_RELOCATIONS 2048
49#define VMWGFX_MAX_GMRS 2048
50#define VMWGFX_MAX_DISPLAYS 16
51
52#define VMW_PL_GMR TTM_PL_PRIV0
53#define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
54
55struct vmw_fpriv {
56 struct drm_master *locked_master;
57 struct ttm_object_file *tfile;
58};
59
60struct vmw_dma_buffer {
61 struct ttm_buffer_object base;
62 struct list_head validate_list;
63 bool gmr_bound;
64 uint32_t cur_validate_node;
65 bool on_validate_list;
66};
67
68struct vmw_resource {
69 struct kref kref;
70 struct vmw_private *dev_priv;
71 struct idr *idr;
72 int id;
73 enum ttm_object_type res_type;
74 bool avail;
75 void (*hw_destroy) (struct vmw_resource *res);
76 void (*res_free) (struct vmw_resource *res);
77
78 /* TODO is a generic snooper needed? */
79#if 0
80 void (*snoop)(struct vmw_resource *res,
81 struct ttm_object_file *tfile,
82 SVGA3dCmdHeader *header);
83 void *snoop_priv;
84#endif
85};
86
87struct vmw_cursor_snooper {
88 struct drm_crtc *crtc;
89 size_t age;
90 uint32_t *image;
91};
92
93struct vmw_surface {
94 struct vmw_resource res;
95 uint32_t flags;
96 uint32_t format;
97 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
98 struct drm_vmw_size *sizes;
99 uint32_t num_sizes;
100
101 bool scanout;
102
103 /* TODO so far just a extra pointer */
104 struct vmw_cursor_snooper snooper;
105};
106
107struct vmw_fence_queue {
108 struct list_head head;
109 struct timespec lag;
110 struct timespec lag_time;
111 spinlock_t lock;
112};
113
114struct vmw_fifo_state {
115 unsigned long reserved_size;
116 __le32 *dynamic_buffer;
117 __le32 *static_buffer;
118 __le32 *last_buffer;
119 uint32_t last_data_size;
120 uint32_t last_buffer_size;
121 bool last_buffer_add;
122 unsigned long static_buffer_size;
123 bool using_bounce_buffer;
124 uint32_t capabilities;
125 struct mutex fifo_mutex;
126 struct rw_semaphore rwsem;
127 struct vmw_fence_queue fence_queue;
128};
129
130struct vmw_relocation {
131 SVGAGuestPtr *location;
132 uint32_t index;
133};
134
135struct vmw_sw_context{
136 struct ida bo_list;
137 uint32_t last_cid;
138 bool cid_valid;
139 uint32_t last_sid;
140 uint32_t sid_translation;
141 bool sid_valid;
142 struct ttm_object_file *tfile;
143 struct list_head validate_nodes;
144 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
145 uint32_t cur_reloc;
146 struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
147 uint32_t cur_val_buf;
148};
149
150struct vmw_legacy_display;
151struct vmw_overlay;
152
153struct vmw_master {
154 struct ttm_lock lock;
155 struct mutex fb_surf_mutex;
156 struct list_head fb_surf;
157};
158
159struct vmw_vga_topology_state {
160 uint32_t width;
161 uint32_t height;
162 uint32_t primary;
163 uint32_t pos_x;
164 uint32_t pos_y;
165};
166
167struct vmw_private {
168 struct ttm_bo_device bdev;
169 struct ttm_bo_global_ref bo_global_ref;
170 struct drm_global_reference mem_global_ref;
171
172 struct vmw_fifo_state fifo;
173
174 struct drm_device *dev;
175 unsigned long vmw_chipset;
176 unsigned int io_start;
177 uint32_t vram_start;
178 uint32_t vram_size;
179 uint32_t mmio_start;
180 uint32_t mmio_size;
181 uint32_t fb_max_width;
182 uint32_t fb_max_height;
183 __le32 __iomem *mmio_virt;
184 int mmio_mtrr;
185 uint32_t capabilities;
186 uint32_t max_gmr_descriptors;
187 uint32_t max_gmr_ids;
188 bool has_gmr;
189 struct mutex hw_mutex;
190
191 /*
192 * VGA registers.
193 */
194
195 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
196 uint32_t vga_width;
197 uint32_t vga_height;
198 uint32_t vga_depth;
199 uint32_t vga_bpp;
200 uint32_t vga_pseudo;
201 uint32_t vga_red_mask;
202 uint32_t vga_green_mask;
203 uint32_t vga_blue_mask;
204 uint32_t vga_bpl;
205 uint32_t vga_pitchlock;
206
207 uint32_t num_displays;
208
209 /*
210 * Framebuffer info.
211 */
212
213 void *fb_info;
214 struct vmw_legacy_display *ldu_priv;
215 struct vmw_overlay *overlay_priv;
216
217 /*
218 * Context and surface management.
219 */
220
221 rwlock_t resource_lock;
222 struct idr context_idr;
223 struct idr surface_idr;
224 struct idr stream_idr;
225
226 /*
227 * Block lastclose from racing with firstopen.
228 */
229
230 struct mutex init_mutex;
231
232 /*
233 * A resource manager for kernel-only surfaces and
234 * contexts.
235 */
236
237 struct ttm_object_device *tdev;
238
239 /*
240 * Fencing and IRQs.
241 */
242
243 atomic_t fence_seq;
244 wait_queue_head_t fence_queue;
245 wait_queue_head_t fifo_queue;
246 atomic_t fence_queue_waiters;
247 atomic_t fifo_queue_waiters;
248 uint32_t last_read_sequence;
249 spinlock_t irq_lock;
250
251 /*
252 * Device state
253 */
254
255 uint32_t traces_state;
256 uint32_t enable_state;
257 uint32_t config_done_state;
258
259 /**
260 * Execbuf
261 */
262 /**
263 * Protected by the cmdbuf mutex.
264 */
265
266 struct vmw_sw_context ctx;
267 struct mutex cmdbuf_mutex;
268
269 /**
270 * Operating mode.
271 */
272
273 bool stealth;
274 bool is_opened;
275 bool enable_fb;
276
277 /**
278 * Master management.
279 */
280
281 struct vmw_master *active_master;
282 struct vmw_master fbdev_master;
283 struct notifier_block pm_nb;
284 bool suspended;
285
286 struct mutex release_mutex;
287 uint32_t num_3d_resources;
288};
289
290static inline struct vmw_private *vmw_priv(struct drm_device *dev)
291{
292 return (struct vmw_private *)dev->dev_private;
293}
294
295static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
296{
297 return (struct vmw_fpriv *)file_priv->driver_priv;
298}
299
300static inline struct vmw_master *vmw_master(struct drm_master *master)
301{
302 return (struct vmw_master *) master->driver_priv;
303}
304
305static inline void vmw_write(struct vmw_private *dev_priv,
306 unsigned int offset, uint32_t value)
307{
308 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
309 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
310}
311
312static inline uint32_t vmw_read(struct vmw_private *dev_priv,
313 unsigned int offset)
314{
315 uint32_t val;
316
317 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
318 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
319 return val;
320}
321
322int vmw_3d_resource_inc(struct vmw_private *dev_priv);
323void vmw_3d_resource_dec(struct vmw_private *dev_priv);
324
325/**
326 * GMR utilities - vmwgfx_gmr.c
327 */
328
329extern int vmw_gmr_bind(struct vmw_private *dev_priv,
330 struct page *pages[],
331 unsigned long num_pages,
332 int gmr_id);
333extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
334
335/**
336 * Resource utilities - vmwgfx_resource.c
337 */
338
339extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
340extern void vmw_resource_unreference(struct vmw_resource **p_res);
341extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
342extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
343 struct drm_file *file_priv);
344extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
345 struct drm_file *file_priv);
346extern int vmw_context_check(struct vmw_private *dev_priv,
347 struct ttm_object_file *tfile,
348 int id);
349extern void vmw_surface_res_free(struct vmw_resource *res);
350extern int vmw_surface_init(struct vmw_private *dev_priv,
351 struct vmw_surface *srf,
352 void (*res_free) (struct vmw_resource *res));
353extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
354 struct ttm_object_file *tfile,
355 uint32_t handle,
356 struct vmw_surface **out);
357extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
358 struct drm_file *file_priv);
359extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
360 struct drm_file *file_priv);
361extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
362 struct drm_file *file_priv);
363extern int vmw_surface_check(struct vmw_private *dev_priv,
364 struct ttm_object_file *tfile,
365 uint32_t handle, int *id);
366extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
367extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
368 struct vmw_dma_buffer *vmw_bo,
369 size_t size, struct ttm_placement *placement,
370 bool interuptable,
371 void (*bo_free) (struct ttm_buffer_object *bo));
372extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
373 struct drm_file *file_priv);
374extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
375 struct drm_file *file_priv);
376extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
377 uint32_t cur_validate_node);
378extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
379extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
380 uint32_t id, struct vmw_dma_buffer **out);
381extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
382 struct vmw_dma_buffer *bo);
383extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
384 struct vmw_dma_buffer *bo);
385extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
386 struct drm_file *file_priv);
387extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
388 struct drm_file *file_priv);
389extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
390 struct ttm_object_file *tfile,
391 uint32_t *inout_id,
392 struct vmw_resource **out);
393
394
395/**
396 * Misc Ioctl functionality - vmwgfx_ioctl.c
397 */
398
399extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
400 struct drm_file *file_priv);
401extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
402 struct drm_file *file_priv);
403
404/**
405 * Fifo utilities - vmwgfx_fifo.c
406 */
407
408extern int vmw_fifo_init(struct vmw_private *dev_priv,
409 struct vmw_fifo_state *fifo);
410extern void vmw_fifo_release(struct vmw_private *dev_priv,
411 struct vmw_fifo_state *fifo);
412extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
413extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
414extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
415 uint32_t *sequence);
416extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
417extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
418extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
419extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
420
421/**
422 * TTM glue - vmwgfx_ttm_glue.c
423 */
424
425extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
426extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
427extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
428
429/**
430 * TTM buffer object driver - vmwgfx_buffer.c
431 */
432
433extern struct ttm_placement vmw_vram_placement;
434extern struct ttm_placement vmw_vram_ne_placement;
435extern struct ttm_placement vmw_vram_sys_placement;
436extern struct ttm_placement vmw_vram_gmr_placement;
437extern struct ttm_placement vmw_sys_placement;
438extern struct ttm_bo_driver vmw_bo_driver;
439extern int vmw_dma_quiescent(struct drm_device *dev);
440
441/**
442 * Command submission - vmwgfx_execbuf.c
443 */
444
445extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
446 struct drm_file *file_priv);
447
448/**
449 * IRQs and wating - vmwgfx_irq.c
450 */
451
452extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
453extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
454 uint32_t sequence, bool interruptible,
455 unsigned long timeout);
456extern void vmw_irq_preinstall(struct drm_device *dev);
457extern int vmw_irq_postinstall(struct drm_device *dev);
458extern void vmw_irq_uninstall(struct drm_device *dev);
459extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
460 uint32_t sequence);
461extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
462 struct drm_file *file_priv);
463extern int vmw_fallback_wait(struct vmw_private *dev_priv,
464 bool lazy,
465 bool fifo_idle,
466 uint32_t sequence,
467 bool interruptible,
468 unsigned long timeout);
469extern void vmw_update_sequence(struct vmw_private *dev_priv,
470 struct vmw_fifo_state *fifo_state);
471
472
473/**
474 * Rudimentary fence objects currently used only for throttling -
475 * vmwgfx_fence.c
476 */
477
478extern void vmw_fence_queue_init(struct vmw_fence_queue *queue);
479extern void vmw_fence_queue_takedown(struct vmw_fence_queue *queue);
480extern int vmw_fence_push(struct vmw_fence_queue *queue,
481 uint32_t sequence);
482extern int vmw_fence_pull(struct vmw_fence_queue *queue,
483 uint32_t signaled_sequence);
484extern int vmw_wait_lag(struct vmw_private *dev_priv,
485 struct vmw_fence_queue *queue, uint32_t us);
486
487/**
488 * Kernel framebuffer - vmwgfx_fb.c
489 */
490
491int vmw_fb_init(struct vmw_private *vmw_priv);
492int vmw_fb_close(struct vmw_private *dev_priv);
493int vmw_fb_off(struct vmw_private *vmw_priv);
494int vmw_fb_on(struct vmw_private *vmw_priv);
495
496/**
497 * Kernel modesetting - vmwgfx_kms.c
498 */
499
500int vmw_kms_init(struct vmw_private *dev_priv);
501int vmw_kms_close(struct vmw_private *dev_priv);
502int vmw_kms_save_vga(struct vmw_private *vmw_priv);
503int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
504int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
505 struct drm_file *file_priv);
506void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
507void vmw_kms_cursor_snoop(struct vmw_surface *srf,
508 struct ttm_object_file *tfile,
509 struct ttm_buffer_object *bo,
510 SVGA3dCmdHeader *header);
511void vmw_kms_write_svga(struct vmw_private *vmw_priv,
512 unsigned width, unsigned height, unsigned pitch,
513 unsigned bbp, unsigned depth);
514int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
515 struct drm_file *file_priv);
516void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
517bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
518 uint32_t pitch,
519 uint32_t height);
520u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
521
522/**
523 * Overlay control - vmwgfx_overlay.c
524 */
525
526int vmw_overlay_init(struct vmw_private *dev_priv);
527int vmw_overlay_close(struct vmw_private *dev_priv);
528int vmw_overlay_ioctl(struct drm_device *dev, void *data,
529 struct drm_file *file_priv);
530int vmw_overlay_stop_all(struct vmw_private *dev_priv);
531int vmw_overlay_resume_all(struct vmw_private *dev_priv);
532int vmw_overlay_pause_all(struct vmw_private *dev_priv);
533int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
534int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
535int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
536int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
537
538/**
539 * GMR Id manager
540 */
541
542extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
543
544/**
545 * Inline helper functions
546 */
547
548static inline void vmw_surface_unreference(struct vmw_surface **srf)
549{
550 struct vmw_surface *tmp_srf = *srf;
551 struct vmw_resource *res = &tmp_srf->res;
552 *srf = NULL;
553
554 vmw_resource_unreference(&res);
555}
556
557static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
558{
559 (void) vmw_resource_reference(&srf->res);
560 return srf;
561}
562
563static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
564{
565 struct vmw_dma_buffer *tmp_buf = *buf;
566 struct ttm_buffer_object *bo = &tmp_buf->base;
567 *buf = NULL;
568
569 ttm_bo_unref(&bo);
570}
571
572static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
573{
574 if (ttm_bo_reference(&buf->base))
575 return buf;
576 return NULL;
577}
578
579#endif
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
78struct vmw_compat_shader_manager;
79
80struct 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
88struct 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 */
102struct vmw_validate_buffer {
103 struct ttm_validate_buffer base;
104 struct drm_hash_item hash;
105 bool validate_as_mob;
106};
107
108struct vmw_res_func;
109struct 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
127enum 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
135struct vmw_cursor_snooper {
136 struct drm_crtc *crtc;
137 size_t age;
138 uint32_t *image;
139};
140
141struct vmw_framebuffer;
142struct vmw_surface_offset;
143
144struct 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
160struct vmw_marker_queue {
161 struct list_head head;
162 struct timespec lag;
163 struct timespec lag_time;
164 spinlock_t lock;
165};
166
167struct 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
179struct 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 */
197struct 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 */
207enum 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 */
222struct 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 */
245struct 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 */
259enum 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 */
275struct 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 */
295struct 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 */
315struct 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
322struct 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
347struct vmw_legacy_display;
348struct vmw_overlay;
349
350struct vmw_master {
351 struct ttm_lock lock;
352 struct mutex fb_surf_mutex;
353 struct list_head fb_surf;
354};
355
356struct 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
364struct 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
527static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
528{
529 return container_of(res, struct vmw_surface, res);
530}
531
532static inline struct vmw_private *vmw_priv(struct drm_device *dev)
533{
534 return (struct vmw_private *)dev->dev_private;
535}
536
537static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
538{
539 return (struct vmw_fpriv *)file_priv->driver_priv;
540}
541
542static inline struct vmw_master *vmw_master(struct drm_master *master)
543{
544 return (struct vmw_master *) master->driver_priv;
545}
546
547static 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
554static 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
564int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
565void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
566
567/**
568 * GMR utilities - vmwgfx_gmr.c
569 */
570
571extern 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);
575extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
576
577/**
578 * Resource utilities - vmwgfx_resource.c
579 */
580struct vmw_user_resource_conv;
581
582extern void vmw_resource_unreference(struct vmw_resource **p_res);
583extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
584extern struct vmw_resource *
585vmw_resource_reference_unless_doomed(struct vmw_resource *res);
586extern int vmw_resource_validate(struct vmw_resource *res);
587extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
588extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
589extern 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);
594extern 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);
600extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
601extern 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));
606extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
607 struct ttm_object_file *tfile);
608extern 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);
614extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
615 struct vmw_dma_buffer *dma_buf,
616 uint32_t *handle);
617extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
618 struct drm_file *file_priv);
619extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
620 struct drm_file *file_priv);
621extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
622 struct drm_file *file_priv);
623extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
624 uint32_t cur_validate_node);
625extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
626extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
627 uint32_t id, struct vmw_dma_buffer **out);
628extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
629 struct drm_file *file_priv);
630extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
631 struct drm_file *file_priv);
632extern 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);
636extern void vmw_resource_unreserve(struct vmw_resource *res,
637 struct vmw_dma_buffer *new_backup,
638 unsigned long new_backup_offset);
639extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
640 struct ttm_mem_reg *mem);
641extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
642 struct vmw_fence_obj *fence);
643extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
644
645/**
646 * DMA buffer helper routines - vmwgfx_dmabuf.c
647 */
648extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
649 struct vmw_dma_buffer *bo,
650 struct ttm_placement *placement,
651 bool interruptible);
652extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
653 struct vmw_dma_buffer *buf,
654 bool pin, bool interruptible);
655extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
656 struct vmw_dma_buffer *buf,
657 bool pin, bool interruptible);
658extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
659 struct vmw_dma_buffer *bo,
660 bool pin, bool interruptible);
661extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
662 struct vmw_dma_buffer *bo,
663 bool interruptible);
664extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
665 SVGAGuestPtr *ptr);
666extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
667
668/**
669 * Misc Ioctl functionality - vmwgfx_ioctl.c
670 */
671
672extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
673 struct drm_file *file_priv);
674extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
675 struct drm_file *file_priv);
676extern int vmw_present_ioctl(struct drm_device *dev, void *data,
677 struct drm_file *file_priv);
678extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
679 struct drm_file *file_priv);
680extern unsigned int vmw_fops_poll(struct file *filp,
681 struct poll_table_struct *wait);
682extern 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
689extern int vmw_fifo_init(struct vmw_private *dev_priv,
690 struct vmw_fifo_state *fifo);
691extern void vmw_fifo_release(struct vmw_private *dev_priv,
692 struct vmw_fifo_state *fifo);
693extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
694extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
695extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
696 uint32_t *seqno);
697extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
698extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
699extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
700extern 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
707extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
708extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
709extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
710
711/**
712 * TTM buffer object driver - vmwgfx_buffer.c
713 */
714
715extern const size_t vmw_tt_size;
716extern struct ttm_placement vmw_vram_placement;
717extern struct ttm_placement vmw_vram_ne_placement;
718extern struct ttm_placement vmw_vram_sys_placement;
719extern struct ttm_placement vmw_vram_gmr_placement;
720extern struct ttm_placement vmw_vram_gmr_ne_placement;
721extern struct ttm_placement vmw_sys_placement;
722extern struct ttm_placement vmw_sys_ne_placement;
723extern struct ttm_placement vmw_evictable_placement;
724extern struct ttm_placement vmw_srf_placement;
725extern struct ttm_placement vmw_mob_placement;
726extern struct ttm_bo_driver vmw_bo_driver;
727extern int vmw_dma_quiescent(struct drm_device *dev);
728extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
729extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
730extern const struct vmw_sg_table *
731vmw_bo_sg_table(struct ttm_buffer_object *bo);
732extern 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 */
743static 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 */
755static 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 */
767static 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
776extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
777 struct drm_file *file_priv);
778extern 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);
787extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
788 struct vmw_fence_obj *fence);
789extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
790
791extern 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);
795extern 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
807extern irqreturn_t vmw_irq_handler(int irq, void *arg);
808extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
809 uint32_t seqno, bool interruptible,
810 unsigned long timeout);
811extern void vmw_irq_preinstall(struct drm_device *dev);
812extern int vmw_irq_postinstall(struct drm_device *dev);
813extern void vmw_irq_uninstall(struct drm_device *dev);
814extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
815 uint32_t seqno);
816extern 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);
822extern void vmw_update_seqno(struct vmw_private *dev_priv,
823 struct vmw_fifo_state *fifo_state);
824extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
825extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
826extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
827extern 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
834extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
835extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
836extern int vmw_marker_push(struct vmw_marker_queue *queue,
837 uint32_t seqno);
838extern int vmw_marker_pull(struct vmw_marker_queue *queue,
839 uint32_t signaled_seqno);
840extern 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
847int vmw_fb_init(struct vmw_private *vmw_priv);
848int vmw_fb_close(struct vmw_private *dev_priv);
849int vmw_fb_off(struct vmw_private *vmw_priv);
850int vmw_fb_on(struct vmw_private *vmw_priv);
851
852/**
853 * Kernel modesetting - vmwgfx_kms.c
854 */
855
856int vmw_kms_init(struct vmw_private *dev_priv);
857int vmw_kms_close(struct vmw_private *dev_priv);
858int vmw_kms_save_vga(struct vmw_private *vmw_priv);
859int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
860int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
861 struct drm_file *file_priv);
862void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
863void vmw_kms_cursor_snoop(struct vmw_surface *srf,
864 struct ttm_object_file *tfile,
865 struct ttm_buffer_object *bo,
866 SVGA3dCmdHeader *header);
867int vmw_kms_write_svga(struct vmw_private *vmw_priv,
868 unsigned width, unsigned height, unsigned pitch,
869 unsigned bpp, unsigned depth);
870void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
871bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
872 uint32_t pitch,
873 uint32_t height);
874u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
875int vmw_enable_vblank(struct drm_device *dev, int crtc);
876void vmw_disable_vblank(struct drm_device *dev, int crtc);
877int 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);
884int 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);
890int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
891 struct drm_file *file_priv);
892
893int vmw_dumb_create(struct drm_file *file_priv,
894 struct drm_device *dev,
895 struct drm_mode_create_dumb *args);
896
897int vmw_dumb_map_offset(struct drm_file *file_priv,
898 struct drm_device *dev, uint32_t handle,
899 uint64_t *offset);
900int 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
907int vmw_overlay_init(struct vmw_private *dev_priv);
908int vmw_overlay_close(struct vmw_private *dev_priv);
909int vmw_overlay_ioctl(struct drm_device *dev, void *data,
910 struct drm_file *file_priv);
911int vmw_overlay_stop_all(struct vmw_private *dev_priv);
912int vmw_overlay_resume_all(struct vmw_private *dev_priv);
913int vmw_overlay_pause_all(struct vmw_private *dev_priv);
914int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
915int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
916int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
917int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
918
919/**
920 * GMR Id manager
921 */
922
923extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
924
925/**
926 * Prime - vmwgfx_prime.c
927 */
928
929extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
930extern int vmw_prime_fd_to_handle(struct drm_device *dev,
931 struct drm_file *file_priv,
932 int fd, u32 *handle);
933extern 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 */
941struct vmw_mob;
942extern 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);
945extern void vmw_mob_unbind(struct vmw_private *dev_priv,
946 struct vmw_mob *mob);
947extern void vmw_mob_destroy(struct vmw_mob *mob);
948extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
949extern int vmw_otables_setup(struct vmw_private *dev_priv);
950extern void vmw_otables_takedown(struct vmw_private *dev_priv);
951
952/*
953 * Context management - vmwgfx_context.c
954 */
955
956extern const struct vmw_user_resource_conv *user_context_converter;
957
958extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
959
960extern int vmw_context_check(struct vmw_private *dev_priv,
961 struct ttm_object_file *tfile,
962 int id,
963 struct vmw_resource **p_res);
964extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
965 struct drm_file *file_priv);
966extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
967 struct drm_file *file_priv);
968extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
969 const struct vmw_ctx_bindinfo *ci);
970extern void
971vmw_context_binding_state_transfer(struct vmw_resource *res,
972 struct vmw_ctx_binding_state *cbs);
973extern void vmw_context_binding_res_list_kill(struct list_head *head);
974extern void vmw_context_binding_res_list_scrub(struct list_head *head);
975extern int vmw_context_rebind_all(struct vmw_resource *ctx);
976extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
977
978/*
979 * Surface management - vmwgfx_surface.c
980 */
981
982extern const struct vmw_user_resource_conv *user_surface_converter;
983
984extern void vmw_surface_res_free(struct vmw_resource *res);
985extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
986 struct drm_file *file_priv);
987extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
988 struct drm_file *file_priv);
989extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
990 struct drm_file *file_priv);
991extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
992 struct drm_file *file_priv);
993extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
994 struct drm_file *file_priv);
995extern int vmw_surface_check(struct vmw_private *dev_priv,
996 struct ttm_object_file *tfile,
997 uint32_t handle, int *id);
998extern int vmw_surface_validate(struct vmw_private *dev_priv,
999 struct vmw_surface *srf);
1000
1001/*
1002 * Shader management - vmwgfx_shader.c
1003 */
1004
1005extern const struct vmw_user_resource_conv *user_shader_converter;
1006
1007extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1008 struct drm_file *file_priv);
1009extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1010 struct drm_file *file_priv);
1011extern int vmw_compat_shader_lookup(struct vmw_compat_shader_manager *man,
1012 SVGA3dShaderType shader_type,
1013 u32 *user_key);
1014extern void vmw_compat_shaders_commit(struct vmw_compat_shader_manager *man,
1015 struct list_head *list);
1016extern void vmw_compat_shaders_revert(struct vmw_compat_shader_manager *man,
1017 struct list_head *list);
1018extern int vmw_compat_shader_remove(struct vmw_compat_shader_manager *man,
1019 u32 user_key,
1020 SVGA3dShaderType shader_type,
1021 struct list_head *list);
1022extern 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);
1028extern struct vmw_compat_shader_manager *
1029vmw_compat_shader_man_create(struct vmw_private *dev_priv);
1030extern void
1031vmw_compat_shader_man_destroy(struct vmw_compat_shader_manager *man);
1032
1033
1034/**
1035 * Inline helper functions
1036 */
1037
1038static 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
1047static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1048{
1049 (void) vmw_resource_reference(&srf->res);
1050 return srf;
1051}
1052
1053static 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
1065static 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
1072static 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