aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
blob: 356dc935ec133f974c2c95e2be5d1146cd07c9a9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/

#ifndef _VMWGFX_DRV_H_
#define _VMWGFX_DRV_H_

#include "vmwgfx_reg.h"
#include "drmP.h"
#include "vmwgfx_drm.h"
#include "drm_hashtab.h"
#include "linux/suspend.h"
#include "ttm/ttm_bo_driver.h"
#include "ttm/ttm_object.h"
#include "ttm/ttm_lock.h"
#include "ttm/ttm_execbuf_util.h"
#include "ttm/ttm_module.h"

#define VMWGFX_DRIVER_DATE "20100209"
#define VMWGFX_DRIVER_MAJOR 1
#define VMWGFX_DRIVER_MINOR 0
#define VMWGFX_DRIVER_PATCHLEVEL 0
#define VMWGFX_FILE_PAGE_OFFSET 0x00100000
#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
#define VMWGFX_MAX_RELOCATIONS 2048
#define VMWGFX_MAX_GMRS 2048

struct vmw_fpriv {
	struct drm_master *locked_master;
	struct ttm_object_file *tfile;
};

struct vmw_dma_buffer {
	struct ttm_buffer_object base;
	struct list_head validate_list;
	struct list_head gmr_lru;
	uint32_t gmr_id;
	bool gmr_bound;
	uint32_t cur_validate_node;
	bool on_validate_list;
};

struct vmw_resource {
	struct kref kref;
	struct vmw_private *dev_priv;
	struct idr *idr;
	int id;
	enum ttm_object_type res_type;
	bool avail;
	void (*hw_destroy) (struct vmw_resource *res);
	void (*res_free) (struct vmw_resource *res);

	/* TODO is a generic snooper needed? */
#if 0
	void (*snoop)(struct vmw_resource *res,
		      struct ttm_object_file *tfile,
		      SVGA3dCmdHeader *header);
	void *snoop_priv;
#endif
};

struct vmw_cursor_snooper {
	struct drm_crtc *crtc;
	size_t age;
	uint32_t *image;
};

struct vmw_surface {
	struct vmw_resource res;
	uint32_t flags;
	uint32_t format;
	uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
	struct drm_vmw_size *sizes;
	uint32_t num_sizes;

	bool scanout;

	/* TODO so far just a extra pointer */
	struct vmw_cursor_snooper snooper;
};

struct vmw_fifo_state {
	unsigned long reserved_size;
	__le32 *dynamic_buffer;
	__le32 *static_buffer;
	__le32 *last_buffer;
	uint32_t last_data_size;
	uint32_t last_buffer_size;
	bool last_buffer_add;
	unsigned long static_buffer_size;
	bool using_bounce_buffer;
	uint32_t capabilities;
	struct mutex fifo_mutex;
	struct rw_semaphore rwsem;
};

struct vmw_relocation {
	SVGAGuestPtr *location;
	uint32_t index;
};

struct vmw_sw_context{
	struct ida bo_list;
	uint32_t last_cid;
	bool cid_valid;
	uint32_t last_sid;
	uint32_t sid_translation;
	bool sid_valid;
	struct ttm_object_file *tfile;
	struct list_head validate_nodes;
	struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
	uint32_t cur_reloc;
	struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
	uint32_t cur_val_buf;
};

struct vmw_legacy_display;
struct vmw_overlay;

struct vmw_master {
	struct ttm_lock lock;
};

struct vmw_private {
	struct ttm_bo_device bdev;
	struct ttm_bo_global_ref bo_global_ref;
	struct ttm_global_reference mem_global_ref;

	struct vmw_fifo_state fifo;

	struct drm_device *dev;
	unsigned long vmw_chipset;
	unsigned int io_start;
	uint32_t vram_start;
	uint32_t vram_size;
	uint32_t mmio_start;
	uint32_t mmio_size;
	uint32_t fb_max_width;
	uint32_t fb_max_height;
	__le32 __iomem *mmio_virt;
	int mmio_mtrr;
	uint32_t capabilities;
	uint32_t max_gmr_descriptors;
	uint32_t max_gmr_ids;
	struct mutex hw_mutex;

	/*
	 * VGA registers.
	 */

	uint32_t vga_width;
	uint32_t vga_height;
	uint32_t vga_depth;
	uint32_t vga_bpp;
	uint32_t vga_pseudo;
	uint32_t vga_red_mask;
	uint32_t vga_blue_mask;
	uint32_t vga_green_mask;

	/*
	 * Framebuffer info.
	 */

	void *fb_info;
	struct vmw_legacy_display *ldu_priv;
	struct vmw_overlay *overlay_priv;

	/*
	 * Context and surface management.
	 */

	rwlock_t resource_lock;
	struct idr context_idr;
	struct idr surface_idr;
	struct idr stream_idr;

	/*
	 * Block lastclose from racing with firstopen.
	 */

	struct mutex init_mutex;

	/*
	 * A resource manager for kernel-only surfaces and
	 * contexts.
	 */

	struct ttm_object_device *tdev;

	/*
	 * Fencing and IRQs.
	 */

	atomic_t fence_seq;
	wait_queue_head_t fence_queue;
	wait_queue_head_t fifo_queue;
	atomic_t fence_queue_waiters;
	atomic_t fifo_queue_waiters;
	uint32_t last_read_sequence;
	spinlock_t irq_lock;

	/*
	 * Device state
	 */

	uint32_t traces_state;
	uint32_t enable_state;
	uint32_t config_done_state;

	/**
	 * Execbuf
	 */
	/**
	 * Protected by the cmdbuf mutex.
	 */

	struct vmw_sw_context ctx;
	uint32_t val_seq;
	struct mutex cmdbuf_mutex;

	/**
	 * GMR management. Protected by the lru spinlock.
	 */

	struct ida gmr_ida;
	struct list_head gmr_lru;


	/**
	 * Operating mode.
	 */

	bool stealth;
	bool is_opened;

	/**
	 * Master management.
	 */

	struct vmw_master *active_master;
	struct vmw_master fbdev_master;
	struct notifier_block pm_nb;
};

static inline struct vmw_private *vmw_priv(struct drm_device *dev)
{
	return (struct vmw_private *)dev->dev_private;
}

static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
{
	return (struct vmw_fpriv *)file_priv->driver_priv;
}

static inline struct vmw_master *vmw_master(struct drm_master *master)
{
	return (struct vmw_master *) master->driver_priv;
}

static inline void vmw_write(struct vmw_private *dev_priv,
			     unsigned int offset, uint32_t value)
{
	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
	outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
}

static inline uint32_t vmw_read(struct vmw_private *dev_priv,
				unsigned int offset)
{
	uint32_t val;

	outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
	val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
	return val;
}

/**
 * GMR utilities - vmwgfx_gmr.c
 */

extern int vmw_gmr_bind(struct vmw_private *dev_priv,
			struct ttm_buffer_object *bo);
extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);

/**
 * Resource utilities - vmwgfx_resource.c
 */

extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
extern void vmw_resource_unreference(struct vmw_resource **p_res);
extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
				     struct drm_file *file_priv);
extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
extern int vmw_context_check(struct vmw_private *dev_priv,
			     struct ttm_object_file *tfile,
			     int id);
extern void vmw_surface_res_free(struct vmw_resource *res);
extern int vmw_surface_init(struct vmw_private *dev_priv,
			    struct vmw_surface *srf,
			    void (*res_free) (struct vmw_resource *res));
extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
					  struct ttm_object_file *tfile,
					  uint32_t handle,
					  struct vmw_surface **out);
extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
				     struct drm_file *file_priv);
extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
				       struct drm_file *file_priv);
extern int vmw_surface_check(struct vmw_private *dev_priv,
			     struct ttm_object_file *tfile,
			     uint32_t handle, int *id);
extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
			   struct vmw_dma_buffer *vmw_bo,
			   size_t size, struct ttm_placement *placement,
			   bool interuptable,
			   void (*bo_free) (struct ttm_buffer_object *bo));
extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file_priv);
extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file_priv);
extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
					 uint32_t cur_validate_node);
extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
				  uint32_t id, struct vmw_dma_buffer **out);
extern uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo);
extern void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id);
extern int vmw_gmr_id_alloc(struct vmw_private *dev_priv, uint32_t *p_id);
extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
				       struct vmw_dma_buffer *bo);
extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
				struct vmw_dma_buffer *bo);
extern void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo);
extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file_priv);
extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file_priv);
extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
				  struct ttm_object_file *tfile,
				  uint32_t *inout_id,
				  struct vmw_resource **out);


/**
 * Misc Ioctl functionality - vmwgfx_ioctl.c
 */

extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
			      struct drm_file *file_priv);
extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv);

/**
 * Fifo utilities - vmwgfx_fifo.c
 */

extern int vmw_fifo_init(struct vmw_private *dev_priv,
			 struct vmw_fifo_state *fifo);
extern void vmw_fifo_release(struct vmw_private *dev_priv,
			     struct vmw_fifo_state *fifo);
extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
			       uint32_t *sequence);
extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);

/**
 * TTM glue - vmwgfx_ttm_glue.c
 */

extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);

/**
 * TTM buffer object driver - vmwgfx_buffer.c
 */

extern struct ttm_placement vmw_vram_placement;
extern struct ttm_placement vmw_vram_ne_placement;
extern struct ttm_placement vmw_vram_sys_placement;
extern struct ttm_placement vmw_sys_placement;
extern struct ttm_bo_driver vmw_bo_driver;
extern int vmw_dma_quiescent(struct drm_device *dev);

/**
 * Command submission - vmwgfx_execbuf.c
 */

extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
			     struct drm_file *file_priv);

/**
 * IRQs and wating - vmwgfx_irq.c
 */

extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
			  uint32_t sequence, bool interruptible,
			  unsigned long timeout);
extern void vmw_irq_preinstall(struct drm_device *dev);
extern int vmw_irq_postinstall(struct drm_device *dev);
extern void vmw_irq_uninstall(struct drm_device *dev);
extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
			       uint32_t sequence);
extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv);
extern int vmw_fallback_wait(struct vmw_private *dev_priv,
			     bool lazy,
			     bool fifo_idle,
			     uint32_t sequence,
			     bool interruptible,
			     unsigned long timeout);

/**
 * Kernel framebuffer - vmwgfx_fb.c
 */

int vmw_fb_init(struct vmw_private *vmw_priv);
int vmw_fb_close(struct vmw_private *dev_priv);
int vmw_fb_off(struct vmw_private *vmw_priv);
int vmw_fb_on(struct vmw_private *vmw_priv);

/**
 * Kernel modesetting - vmwgfx_kms.c
 */

int vmw_kms_init(struct vmw_private *dev_priv);
int vmw_kms_close(struct vmw_private *dev_priv);
int vmw_kms_save_vga(struct vmw_private *vmw_priv);
int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv);
void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
void vmw_kms_cursor_snoop(struct vmw_surface *srf,
			  struct ttm_object_file *tfile,
			  struct ttm_buffer_object *bo,
			  SVGA3dCmdHeader *header);

/**
 * Overlay control - vmwgfx_overlay.c
 */

int vmw_overlay_init(struct vmw_private *dev_priv);
int vmw_overlay_close(struct vmw_private *dev_priv);
int vmw_overlay_ioctl(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
int vmw_overlay_stop_all(struct vmw_private *dev_priv);
int vmw_overlay_resume_all(struct vmw_private *dev_priv);
int vmw_overlay_pause_all(struct vmw_private *dev_priv);
int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);

/**
 * Inline helper functions
 */

static inline void vmw_surface_unreference(struct vmw_surface **srf)
{
	struct vmw_surface *tmp_srf = *srf;
	struct vmw_resource *res = &tmp_srf->res;
	*srf = NULL;

	vmw_resource_unreference(&res);
}

static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
{
	(void) vmw_resource_reference(&srf->res);
	return srf;
}

static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
{
	struct vmw_dma_buffer *tmp_buf = *buf;
	struct ttm_buffer_object *bo = &tmp_buf->base;
	*buf = NULL;

	ttm_bo_unref(&bo);
}

static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
{
	if (ttm_bo_reference(&buf->base))
		return buf;
	return NULL;
}

#endif