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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/* SPDX-License-Identifier: GPL-2.0 OR MIT */
2/**************************************************************************
3 *
4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA
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 <linux/suspend.h>
32#include <linux/sync_file.h>
33
34#include <drm/drm_auth.h>
35#include <drm/drm_device.h>
36#include <drm/drm_file.h>
37#include <drm/drm_hashtab.h>
38#include <drm/drm_rect.h>
39
40#include <drm/ttm/ttm_bo_driver.h>
41#include <drm/ttm/ttm_execbuf_util.h>
42
43#include "ttm_object.h"
44
45#include "vmwgfx_fence.h"
46#include "vmwgfx_reg.h"
47#include "vmwgfx_validation.h"
48
49/*
50 * FIXME: vmwgfx_drm.h needs to be last due to dependencies.
51 * uapi headers should not depend on header files outside uapi/.
52 */
53#include <drm/vmwgfx_drm.h>
54
55
56#define VMWGFX_DRIVER_NAME "vmwgfx"
57#define VMWGFX_DRIVER_DATE "20210218"
58#define VMWGFX_DRIVER_MAJOR 2
59#define VMWGFX_DRIVER_MINOR 18
60#define VMWGFX_DRIVER_PATCHLEVEL 1
61#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
62#define VMWGFX_MAX_RELOCATIONS 2048
63#define VMWGFX_MAX_VALIDATIONS 2048
64#define VMWGFX_MAX_DISPLAYS 16
65#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
66#define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1
67
68#define VMWGFX_PCI_ID_SVGA2 0x0405
69#define VMWGFX_PCI_ID_SVGA3 0x0406
70
71/*
72 * Perhaps we should have sysfs entries for these.
73 */
74#define VMWGFX_NUM_GB_CONTEXT 256
75#define VMWGFX_NUM_GB_SHADER 20000
76#define VMWGFX_NUM_GB_SURFACE 32768
77#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
78#define VMWGFX_NUM_DXCONTEXT 256
79#define VMWGFX_NUM_DXQUERY 512
80#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
81 VMWGFX_NUM_GB_SHADER +\
82 VMWGFX_NUM_GB_SURFACE +\
83 VMWGFX_NUM_GB_SCREEN_TARGET)
84
85#define VMW_PL_GMR (TTM_PL_PRIV + 0)
86#define VMW_PL_MOB (TTM_PL_PRIV + 1)
87
88#define VMW_RES_CONTEXT ttm_driver_type0
89#define VMW_RES_SURFACE ttm_driver_type1
90#define VMW_RES_STREAM ttm_driver_type2
91#define VMW_RES_FENCE ttm_driver_type3
92#define VMW_RES_SHADER ttm_driver_type4
93
94struct vmw_fpriv {
95 struct ttm_object_file *tfile;
96 bool gb_aware; /* user-space is guest-backed aware */
97};
98
99/**
100 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions
101 * @base: The TTM buffer object
102 * @res_tree: RB tree of resources using this buffer object as a backing MOB
103 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when
104 * increased. May be decreased without reservation.
105 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
106 * @map: Kmap object for semi-persistent mappings
107 * @res_prios: Eviction priority counts for attached resources
108 * @dirty: structure for user-space dirty-tracking
109 */
110struct vmw_buffer_object {
111 struct ttm_buffer_object base;
112 struct rb_root res_tree;
113 atomic_t cpu_writers;
114 /* Not ref-counted. Protected by binding_mutex */
115 struct vmw_resource *dx_query_ctx;
116 /* Protected by reservation */
117 struct ttm_bo_kmap_obj map;
118 u32 res_prios[TTM_MAX_BO_PRIORITY];
119 struct vmw_bo_dirty *dirty;
120};
121
122/**
123 * struct vmw_validate_buffer - Carries validation info about buffers.
124 *
125 * @base: Validation info for TTM.
126 * @hash: Hash entry for quick lookup of the TTM buffer object.
127 *
128 * This structure contains also driver private validation info
129 * on top of the info needed by TTM.
130 */
131struct vmw_validate_buffer {
132 struct ttm_validate_buffer base;
133 struct drm_hash_item hash;
134 bool validate_as_mob;
135};
136
137struct vmw_res_func;
138
139
140/**
141 * struct vmw-resource - base class for hardware resources
142 *
143 * @kref: For refcounting.
144 * @dev_priv: Pointer to the device private for this resource. Immutable.
145 * @id: Device id. Protected by @dev_priv::resource_lock.
146 * @backup_size: Backup buffer size. Immutable.
147 * @res_dirty: Resource contains data not yet in the backup buffer. Protected
148 * by resource reserved.
149 * @backup_dirty: Backup buffer contains data not yet in the HW resource.
150 * Protected by resource reserved.
151 * @coherent: Emulate coherency by tracking vm accesses.
152 * @backup: The backup buffer if any. Protected by resource reserved.
153 * @backup_offset: Offset into the backup buffer if any. Protected by resource
154 * reserved. Note that only a few resource types can have a @backup_offset
155 * different from zero.
156 * @pin_count: The pin count for this resource. A pinned resource has a
157 * pin-count greater than zero. It is not on the resource LRU lists and its
158 * backup buffer is pinned. Hence it can't be evicted.
159 * @func: Method vtable for this resource. Immutable.
160 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved.
161 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
162 * @binding_head: List head for the context binding list. Protected by
163 * the @dev_priv::binding_mutex
164 * @res_free: The resource destructor.
165 * @hw_destroy: Callback to destroy the resource on the device, as part of
166 * resource destruction.
167 */
168struct vmw_resource_dirty;
169struct vmw_resource {
170 struct kref kref;
171 struct vmw_private *dev_priv;
172 int id;
173 u32 used_prio;
174 unsigned long backup_size;
175 u32 res_dirty : 1;
176 u32 backup_dirty : 1;
177 u32 coherent : 1;
178 struct vmw_buffer_object *backup;
179 unsigned long backup_offset;
180 unsigned long pin_count;
181 const struct vmw_res_func *func;
182 struct rb_node mob_node;
183 struct list_head lru_head;
184 struct list_head binding_head;
185 struct vmw_resource_dirty *dirty;
186 void (*res_free) (struct vmw_resource *res);
187 void (*hw_destroy) (struct vmw_resource *res);
188};
189
190
191/*
192 * Resources that are managed using ioctls.
193 */
194enum vmw_res_type {
195 vmw_res_context,
196 vmw_res_surface,
197 vmw_res_stream,
198 vmw_res_shader,
199 vmw_res_dx_context,
200 vmw_res_cotable,
201 vmw_res_view,
202 vmw_res_streamoutput,
203 vmw_res_max
204};
205
206/*
207 * Resources that are managed using command streams.
208 */
209enum vmw_cmdbuf_res_type {
210 vmw_cmdbuf_res_shader,
211 vmw_cmdbuf_res_view,
212 vmw_cmdbuf_res_streamoutput
213};
214
215struct vmw_cmdbuf_res_manager;
216
217struct vmw_cursor_snooper {
218 size_t age;
219 uint32_t *image;
220};
221
222struct vmw_framebuffer;
223struct vmw_surface_offset;
224
225/**
226 * struct vmw_surface_metadata - Metadata describing a surface.
227 *
228 * @flags: Device flags.
229 * @format: Surface SVGA3D_x format.
230 * @mip_levels: Mip level for each face. For GB first index is used only.
231 * @multisample_count: Sample count.
232 * @multisample_pattern: Sample patterns.
233 * @quality_level: Quality level.
234 * @autogen_filter: Filter for automatically generated mipmaps.
235 * @array_size: Number of array elements for a 1D/2D texture. For cubemap
236 texture number of faces * array_size. This should be 0 for pre
237 SM4 device.
238 * @buffer_byte_stride: Buffer byte stride.
239 * @num_sizes: Size of @sizes. For GB surface this should always be 1.
240 * @base_size: Surface dimension.
241 * @sizes: Array representing mip sizes. Legacy only.
242 * @scanout: Whether this surface will be used for scanout.
243 *
244 * This tracks metadata for both legacy and guest backed surface.
245 */
246struct vmw_surface_metadata {
247 u64 flags;
248 u32 format;
249 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
250 u32 multisample_count;
251 u32 multisample_pattern;
252 u32 quality_level;
253 u32 autogen_filter;
254 u32 array_size;
255 u32 num_sizes;
256 u32 buffer_byte_stride;
257 struct drm_vmw_size base_size;
258 struct drm_vmw_size *sizes;
259 bool scanout;
260};
261
262/**
263 * struct vmw_surface: Resource structure for a surface.
264 *
265 * @res: The base resource for this surface.
266 * @metadata: Metadata for this surface resource.
267 * @snooper: Cursor data. Legacy surface only.
268 * @offsets: Legacy surface only.
269 * @view_list: List of views bound to this surface.
270 */
271struct vmw_surface {
272 struct vmw_resource res;
273 struct vmw_surface_metadata metadata;
274 struct vmw_cursor_snooper snooper;
275 struct vmw_surface_offset *offsets;
276 struct list_head view_list;
277};
278
279struct vmw_fifo_state {
280 unsigned long reserved_size;
281 u32 *dynamic_buffer;
282 u32 *static_buffer;
283 unsigned long static_buffer_size;
284 bool using_bounce_buffer;
285 uint32_t capabilities;
286 struct mutex fifo_mutex;
287 struct rw_semaphore rwsem;
288};
289
290/**
291 * struct vmw_res_cache_entry - resource information cache entry
292 * @handle: User-space handle of a resource.
293 * @res: Non-ref-counted pointer to the resource.
294 * @valid_handle: Whether the @handle member is valid.
295 * @valid: Whether the entry is valid, which also implies that the execbuf
296 * code holds a reference to the resource, and it's placed on the
297 * validation list.
298 *
299 * Used to avoid frequent repeated user-space handle lookups of the
300 * same resource.
301 */
302struct vmw_res_cache_entry {
303 uint32_t handle;
304 struct vmw_resource *res;
305 void *private;
306 unsigned short valid_handle;
307 unsigned short valid;
308};
309
310/**
311 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
312 */
313enum vmw_dma_map_mode {
314 vmw_dma_phys, /* Use physical page addresses */
315 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
316 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
317 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
318 vmw_dma_map_max
319};
320
321/**
322 * struct vmw_sg_table - Scatter/gather table for binding, with additional
323 * device-specific information.
324 *
325 * @sgt: Pointer to a struct sg_table with binding information
326 * @num_regions: Number of regions with device-address contiguous pages
327 */
328struct vmw_sg_table {
329 enum vmw_dma_map_mode mode;
330 struct page **pages;
331 const dma_addr_t *addrs;
332 struct sg_table *sgt;
333 unsigned long num_regions;
334 unsigned long num_pages;
335};
336
337/**
338 * struct vmw_piter - Page iterator that iterates over a list of pages
339 * and DMA addresses that could be either a scatter-gather list or
340 * arrays
341 *
342 * @pages: Array of page pointers to the pages.
343 * @addrs: DMA addresses to the pages if coherent pages are used.
344 * @iter: Scatter-gather page iterator. Current position in SG list.
345 * @i: Current position in arrays.
346 * @num_pages: Number of pages total.
347 * @next: Function to advance the iterator. Returns false if past the list
348 * of pages, true otherwise.
349 * @dma_address: Function to return the DMA address of the current page.
350 */
351struct vmw_piter {
352 struct page **pages;
353 const dma_addr_t *addrs;
354 struct sg_dma_page_iter iter;
355 unsigned long i;
356 unsigned long num_pages;
357 bool (*next)(struct vmw_piter *);
358 dma_addr_t (*dma_address)(struct vmw_piter *);
359 struct page *(*page)(struct vmw_piter *);
360};
361
362/*
363 * enum vmw_display_unit_type - Describes the display unit
364 */
365enum vmw_display_unit_type {
366 vmw_du_invalid = 0,
367 vmw_du_legacy,
368 vmw_du_screen_object,
369 vmw_du_screen_target
370};
371
372struct vmw_validation_context;
373struct vmw_ctx_validation_info;
374
375/**
376 * struct vmw_sw_context - Command submission context
377 * @res_ht: Pointer hash table used to find validation duplicates
378 * @kernel: Whether the command buffer originates from kernel code rather
379 * than from user-space
380 * @fp: If @kernel is false, points to the file of the client. Otherwise
381 * NULL
382 * @cmd_bounce: Command bounce buffer used for command validation before
383 * copying to fifo space
384 * @cmd_bounce_size: Current command bounce buffer size
385 * @cur_query_bo: Current buffer object used as query result buffer
386 * @bo_relocations: List of buffer object relocations
387 * @res_relocations: List of resource relocations
388 * @buf_start: Pointer to start of memory where command validation takes
389 * place
390 * @res_cache: Cache of recently looked up resources
391 * @last_query_ctx: Last context that submitted a query
392 * @needs_post_query_barrier: Whether a query barrier is needed after
393 * command submission
394 * @staged_bindings: Cached per-context binding tracker
395 * @staged_bindings_inuse: Whether the cached per-context binding tracker
396 * is in use
397 * @staged_cmd_res: List of staged command buffer managed resources in this
398 * command buffer
399 * @ctx_list: List of context resources referenced in this command buffer
400 * @dx_ctx_node: Validation metadata of the current DX context
401 * @dx_query_mob: The MOB used for DX queries
402 * @dx_query_ctx: The DX context used for the last DX query
403 * @man: Pointer to the command buffer managed resource manager
404 * @ctx: The validation context
405 */
406struct vmw_sw_context{
407 struct drm_open_hash res_ht;
408 bool res_ht_initialized;
409 bool kernel;
410 struct vmw_fpriv *fp;
411 uint32_t *cmd_bounce;
412 uint32_t cmd_bounce_size;
413 struct vmw_buffer_object *cur_query_bo;
414 struct list_head bo_relocations;
415 struct list_head res_relocations;
416 uint32_t *buf_start;
417 struct vmw_res_cache_entry res_cache[vmw_res_max];
418 struct vmw_resource *last_query_ctx;
419 bool needs_post_query_barrier;
420 struct vmw_ctx_binding_state *staged_bindings;
421 bool staged_bindings_inuse;
422 struct list_head staged_cmd_res;
423 struct list_head ctx_list;
424 struct vmw_ctx_validation_info *dx_ctx_node;
425 struct vmw_buffer_object *dx_query_mob;
426 struct vmw_resource *dx_query_ctx;
427 struct vmw_cmdbuf_res_manager *man;
428 struct vmw_validation_context *ctx;
429};
430
431struct vmw_legacy_display;
432struct vmw_overlay;
433
434struct vmw_vga_topology_state {
435 uint32_t width;
436 uint32_t height;
437 uint32_t primary;
438 uint32_t pos_x;
439 uint32_t pos_y;
440};
441
442
443/*
444 * struct vmw_otable - Guest Memory OBject table metadata
445 *
446 * @size: Size of the table (page-aligned).
447 * @page_table: Pointer to a struct vmw_mob holding the page table.
448 */
449struct vmw_otable {
450 unsigned long size;
451 struct vmw_mob *page_table;
452 bool enabled;
453};
454
455struct vmw_otable_batch {
456 unsigned num_otables;
457 struct vmw_otable *otables;
458 struct vmw_resource *context;
459 struct ttm_buffer_object *otable_bo;
460};
461
462enum {
463 VMW_IRQTHREAD_FENCE,
464 VMW_IRQTHREAD_CMDBUF,
465 VMW_IRQTHREAD_MAX
466};
467
468/**
469 * enum vmw_sm_type - Graphics context capability supported by device.
470 * @VMW_SM_LEGACY: Pre DX context.
471 * @VMW_SM_4: Context support upto SM4.
472 * @VMW_SM_4_1: Context support upto SM4_1.
473 * @VMW_SM_5: Context support up to SM5.
474 * @VMW_SM_MAX: Should be the last.
475 */
476enum vmw_sm_type {
477 VMW_SM_LEGACY = 0,
478 VMW_SM_4,
479 VMW_SM_4_1,
480 VMW_SM_5,
481 VMW_SM_MAX
482};
483
484struct vmw_private {
485 struct drm_device drm;
486 struct ttm_device bdev;
487
488 struct drm_vma_offset_manager vma_manager;
489 unsigned long pci_id;
490 u32 vmw_chipset;
491 resource_size_t io_start;
492 resource_size_t vram_start;
493 resource_size_t vram_size;
494 resource_size_t prim_bb_mem;
495 u32 __iomem *rmmio;
496 u32 *fifo_mem;
497 resource_size_t fifo_mem_size;
498 uint32_t fb_max_width;
499 uint32_t fb_max_height;
500 uint32_t texture_max_width;
501 uint32_t texture_max_height;
502 uint32_t stdu_max_width;
503 uint32_t stdu_max_height;
504 uint32_t initial_width;
505 uint32_t initial_height;
506 uint32_t capabilities;
507 uint32_t capabilities2;
508 uint32_t max_gmr_ids;
509 uint32_t max_gmr_pages;
510 uint32_t max_mob_pages;
511 uint32_t max_mob_size;
512 uint32_t memory_size;
513 bool has_gmr;
514 bool has_mob;
515 spinlock_t hw_lock;
516 spinlock_t cap_lock;
517 bool assume_16bpp;
518
519 enum vmw_sm_type sm_type;
520
521 /*
522 * Framebuffer info.
523 */
524
525 void *fb_info;
526 enum vmw_display_unit_type active_display_unit;
527 struct vmw_legacy_display *ldu_priv;
528 struct vmw_overlay *overlay_priv;
529 struct drm_property *hotplug_mode_update_property;
530 struct drm_property *implicit_placement_property;
531 spinlock_t cursor_lock;
532 struct drm_atomic_state *suspend_state;
533
534 /*
535 * Context and surface management.
536 */
537
538 spinlock_t resource_lock;
539 struct idr res_idr[vmw_res_max];
540
541 /*
542 * A resource manager for kernel-only surfaces and
543 * contexts.
544 */
545
546 struct ttm_object_device *tdev;
547
548 /*
549 * Fencing and IRQs.
550 */
551
552 atomic_t marker_seq;
553 wait_queue_head_t fence_queue;
554 wait_queue_head_t fifo_queue;
555 spinlock_t waiter_lock;
556 int fence_queue_waiters; /* Protected by waiter_lock */
557 int goal_queue_waiters; /* Protected by waiter_lock */
558 int cmdbuf_waiters; /* Protected by waiter_lock */
559 int error_waiters; /* Protected by waiter_lock */
560 int fifo_queue_waiters; /* Protected by waiter_lock */
561 uint32_t last_read_seqno;
562 struct vmw_fence_manager *fman;
563 uint32_t irq_mask; /* Updates protected by waiter_lock */
564
565 /*
566 * Device state
567 */
568
569 uint32_t traces_state;
570 uint32_t enable_state;
571 uint32_t config_done_state;
572
573 /**
574 * Execbuf
575 */
576 /**
577 * Protected by the cmdbuf mutex.
578 */
579
580 struct vmw_sw_context ctx;
581 struct mutex cmdbuf_mutex;
582 struct mutex binding_mutex;
583
584 bool enable_fb;
585
586 /**
587 * PM management.
588 */
589 struct notifier_block pm_nb;
590 bool refuse_hibernation;
591 bool suspend_locked;
592
593 atomic_t num_fifo_resources;
594
595 /*
596 * Query processing. These members
597 * are protected by the cmdbuf mutex.
598 */
599
600 struct vmw_buffer_object *dummy_query_bo;
601 struct vmw_buffer_object *pinned_bo;
602 uint32_t query_cid;
603 uint32_t query_cid_valid;
604 bool dummy_query_bo_pinned;
605
606 /*
607 * Surface swapping. The "surface_lru" list is protected by the
608 * resource lock in order to be able to destroy a surface and take
609 * it off the lru atomically. "used_memory_size" is currently
610 * protected by the cmdbuf mutex for simplicity.
611 */
612
613 struct list_head res_lru[vmw_res_max];
614 uint32_t used_memory_size;
615
616 /*
617 * DMA mapping stuff.
618 */
619 enum vmw_dma_map_mode map_mode;
620
621 /*
622 * Guest Backed stuff
623 */
624 struct vmw_otable_batch otable_batch;
625
626 struct vmw_fifo_state *fifo;
627 struct vmw_cmdbuf_man *cman;
628 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
629
630 /* Validation memory reservation */
631 struct vmw_validation_mem vvm;
632};
633
634static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
635{
636 return container_of(res, struct vmw_surface, res);
637}
638
639static inline struct vmw_private *vmw_priv(struct drm_device *dev)
640{
641 return (struct vmw_private *)dev->dev_private;
642}
643
644static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
645{
646 return (struct vmw_fpriv *)file_priv->driver_priv;
647}
648
649/*
650 * SVGA v3 has mmio register access and lacks fifo cmds
651 */
652static inline bool vmw_is_svga_v3(const struct vmw_private *dev)
653{
654 return dev->pci_id == VMWGFX_PCI_ID_SVGA3;
655}
656
657/*
658 * The locking here is fine-grained, so that it is performed once
659 * for every read- and write operation. This is of course costly, but we
660 * don't perform much register access in the timing critical paths anyway.
661 * Instead we have the extra benefit of being sure that we don't forget
662 * the hw lock around register accesses.
663 */
664static inline void vmw_write(struct vmw_private *dev_priv,
665 unsigned int offset, uint32_t value)
666{
667 if (vmw_is_svga_v3(dev_priv)) {
668 iowrite32(value, dev_priv->rmmio + offset);
669 } else {
670 spin_lock(&dev_priv->hw_lock);
671 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
672 outl(value, dev_priv->io_start + SVGA_VALUE_PORT);
673 spin_unlock(&dev_priv->hw_lock);
674 }
675}
676
677static inline uint32_t vmw_read(struct vmw_private *dev_priv,
678 unsigned int offset)
679{
680 u32 val;
681
682 if (vmw_is_svga_v3(dev_priv)) {
683 val = ioread32(dev_priv->rmmio + offset);
684 } else {
685 spin_lock(&dev_priv->hw_lock);
686 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
687 val = inl(dev_priv->io_start + SVGA_VALUE_PORT);
688 spin_unlock(&dev_priv->hw_lock);
689 }
690
691 return val;
692}
693
694/**
695 * has_sm4_context - Does the device support SM4 context.
696 * @dev_priv: Device private.
697 *
698 * Return: Bool value if device support SM4 context or not.
699 */
700static inline bool has_sm4_context(const struct vmw_private *dev_priv)
701{
702 return (dev_priv->sm_type >= VMW_SM_4);
703}
704
705/**
706 * has_sm4_1_context - Does the device support SM4_1 context.
707 * @dev_priv: Device private.
708 *
709 * Return: Bool value if device support SM4_1 context or not.
710 */
711static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
712{
713 return (dev_priv->sm_type >= VMW_SM_4_1);
714}
715
716/**
717 * has_sm5_context - Does the device support SM5 context.
718 * @dev_priv: Device private.
719 *
720 * Return: Bool value if device support SM5 context or not.
721 */
722static inline bool has_sm5_context(const struct vmw_private *dev_priv)
723{
724 return (dev_priv->sm_type >= VMW_SM_5);
725}
726
727extern void vmw_svga_enable(struct vmw_private *dev_priv);
728extern void vmw_svga_disable(struct vmw_private *dev_priv);
729
730
731/**
732 * GMR utilities - vmwgfx_gmr.c
733 */
734
735extern int vmw_gmr_bind(struct vmw_private *dev_priv,
736 const struct vmw_sg_table *vsgt,
737 unsigned long num_pages,
738 int gmr_id);
739extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
740
741/**
742 * Resource utilities - vmwgfx_resource.c
743 */
744struct vmw_user_resource_conv;
745
746extern void vmw_resource_unreference(struct vmw_resource **p_res);
747extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
748extern struct vmw_resource *
749vmw_resource_reference_unless_doomed(struct vmw_resource *res);
750extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
751 bool dirtying);
752extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
753 bool no_backup);
754extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
755extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
756 struct ttm_object_file *tfile,
757 uint32_t handle,
758 struct vmw_surface **out_surf,
759 struct vmw_buffer_object **out_buf);
760extern int vmw_user_resource_lookup_handle(
761 struct vmw_private *dev_priv,
762 struct ttm_object_file *tfile,
763 uint32_t handle,
764 const struct vmw_user_resource_conv *converter,
765 struct vmw_resource **p_res);
766extern struct vmw_resource *
767vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv,
768 struct ttm_object_file *tfile,
769 uint32_t handle,
770 const struct vmw_user_resource_conv *
771 converter);
772extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
773 struct drm_file *file_priv);
774extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
775 struct drm_file *file_priv);
776extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
777 struct ttm_object_file *tfile,
778 uint32_t *inout_id,
779 struct vmw_resource **out);
780extern void vmw_resource_unreserve(struct vmw_resource *res,
781 bool dirty_set,
782 bool dirty,
783 bool switch_backup,
784 struct vmw_buffer_object *new_backup,
785 unsigned long new_backup_offset);
786extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
787 struct ttm_resource *old_mem,
788 struct ttm_resource *new_mem);
789extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob);
790extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
791extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo);
792void vmw_resource_mob_attach(struct vmw_resource *res);
793void vmw_resource_mob_detach(struct vmw_resource *res);
794void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
795 pgoff_t end);
796int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start,
797 pgoff_t end, pgoff_t *num_prefault);
798
799/**
800 * vmw_resource_mob_attached - Whether a resource currently has a mob attached
801 * @res: The resource
802 *
803 * Return: true if the resource has a mob attached, false otherwise.
804 */
805static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
806{
807 return !RB_EMPTY_NODE(&res->mob_node);
808}
809
810/**
811 * vmw_user_resource_noref_release - release a user resource pointer looked up
812 * without reference
813 */
814static inline void vmw_user_resource_noref_release(void)
815{
816 ttm_base_object_noref_release();
817}
818
819/**
820 * Buffer object helper functions - vmwgfx_bo.c
821 */
822extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv,
823 struct vmw_buffer_object *bo,
824 struct ttm_placement *placement,
825 bool interruptible);
826extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv,
827 struct vmw_buffer_object *buf,
828 bool interruptible);
829extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
830 struct vmw_buffer_object *buf,
831 bool interruptible);
832extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv,
833 struct vmw_buffer_object *bo,
834 bool interruptible);
835extern int vmw_bo_unpin(struct vmw_private *vmw_priv,
836 struct vmw_buffer_object *bo,
837 bool interruptible);
838extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
839 SVGAGuestPtr *ptr);
840extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
841extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
842extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
843 unsigned long size,
844 struct ttm_placement *placement,
845 struct ttm_buffer_object **p_bo);
846extern int vmw_bo_init(struct vmw_private *dev_priv,
847 struct vmw_buffer_object *vmw_bo,
848 size_t size, struct ttm_placement *placement,
849 bool interruptible, bool pin,
850 void (*bo_free)(struct ttm_buffer_object *bo));
851extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo,
852 struct ttm_object_file *tfile);
853extern int vmw_user_bo_alloc(struct vmw_private *dev_priv,
854 struct ttm_object_file *tfile,
855 uint32_t size,
856 bool shareable,
857 uint32_t *handle,
858 struct vmw_buffer_object **p_dma_buf,
859 struct ttm_base_object **p_base);
860extern int vmw_user_bo_reference(struct ttm_object_file *tfile,
861 struct vmw_buffer_object *dma_buf,
862 uint32_t *handle);
863extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data,
864 struct drm_file *file_priv);
865extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data,
866 struct drm_file *file_priv);
867extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data,
868 struct drm_file *file_priv);
869extern int vmw_user_bo_lookup(struct ttm_object_file *tfile,
870 uint32_t id, struct vmw_buffer_object **out,
871 struct ttm_base_object **base);
872extern void vmw_bo_fence_single(struct ttm_buffer_object *bo,
873 struct vmw_fence_obj *fence);
874extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo);
875extern void vmw_bo_unmap(struct vmw_buffer_object *vbo);
876extern void vmw_bo_move_notify(struct ttm_buffer_object *bo,
877 struct ttm_resource *mem);
878extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo);
879extern struct vmw_buffer_object *
880vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle);
881
882/**
883 * vmw_user_bo_noref_release - release a buffer object pointer looked up
884 * without reference
885 */
886static inline void vmw_user_bo_noref_release(void)
887{
888 ttm_base_object_noref_release();
889}
890
891/**
892 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority
893 * according to attached resources
894 * @vbo: The struct vmw_buffer_object
895 */
896static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo)
897{
898 int i = ARRAY_SIZE(vbo->res_prios);
899
900 while (i--) {
901 if (vbo->res_prios[i]) {
902 vbo->base.priority = i;
903 return;
904 }
905 }
906
907 vbo->base.priority = 3;
908}
909
910/**
911 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource
912 * eviction priority
913 * @vbo: The struct vmw_buffer_object
914 * @prio: The resource priority
915 *
916 * After being notified, the code assigns the highest resource eviction priority
917 * to the backing buffer object (mob).
918 */
919static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio)
920{
921 if (vbo->res_prios[prio]++ == 0)
922 vmw_bo_prio_adjust(vbo);
923}
924
925/**
926 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain
927 * priority being removed
928 * @vbo: The struct vmw_buffer_object
929 * @prio: The resource priority
930 *
931 * After being notified, the code assigns the highest resource eviction priority
932 * to the backing buffer object (mob).
933 */
934static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio)
935{
936 if (--vbo->res_prios[prio] == 0)
937 vmw_bo_prio_adjust(vbo);
938}
939
940/**
941 * Misc Ioctl functionality - vmwgfx_ioctl.c
942 */
943
944extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
945 struct drm_file *file_priv);
946extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
947 struct drm_file *file_priv);
948extern int vmw_present_ioctl(struct drm_device *dev, void *data,
949 struct drm_file *file_priv);
950extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
951 struct drm_file *file_priv);
952
953/**
954 * Fifo utilities - vmwgfx_fifo.c
955 */
956
957extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
958extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
959extern bool vmw_cmd_supported(struct vmw_private *vmw);
960extern void *
961vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
962extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
963extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
964extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
965extern bool vmw_supports_3d(struct vmw_private *dev_priv);
966extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
967extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
968extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
969 uint32_t cid);
970extern int vmw_cmd_flush(struct vmw_private *dev_priv,
971 bool interruptible);
972
973#define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \
974({ \
975 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \
976 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \
977 __func__, (unsigned int) __bytes); \
978 NULL; \
979 }); \
980})
981
982#define VMW_CMD_RESERVE(__priv, __bytes) \
983 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID)
984
985
986/**
987 * vmw_fifo_caps - Returns the capabilities of the FIFO command
988 * queue or 0 if fifo memory isn't present.
989 * @dev_priv: The device private context
990 */
991static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv)
992{
993 if (!dev_priv->fifo_mem || !dev_priv->fifo)
994 return 0;
995 return dev_priv->fifo->capabilities;
996}
997
998
999/**
1000 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3
1001 * is enabled in the FIFO.
1002 * @dev_priv: The device private context
1003 */
1004static inline bool
1005vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
1006{
1007 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0;
1008}
1009
1010/**
1011 * TTM glue - vmwgfx_ttm_glue.c
1012 */
1013
1014extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
1015
1016extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
1017 size_t gran);
1018
1019/**
1020 * TTM buffer object driver - vmwgfx_ttm_buffer.c
1021 */
1022
1023extern const size_t vmw_tt_size;
1024extern struct ttm_placement vmw_vram_placement;
1025extern struct ttm_placement vmw_vram_sys_placement;
1026extern struct ttm_placement vmw_vram_gmr_placement;
1027extern struct ttm_placement vmw_sys_placement;
1028extern struct ttm_placement vmw_evictable_placement;
1029extern struct ttm_placement vmw_srf_placement;
1030extern struct ttm_placement vmw_mob_placement;
1031extern struct ttm_placement vmw_nonfixed_placement;
1032extern struct ttm_device_funcs vmw_bo_driver;
1033extern const struct vmw_sg_table *
1034vmw_bo_sg_table(struct ttm_buffer_object *bo);
1035extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
1036 unsigned long bo_size,
1037 struct ttm_buffer_object **bo_p);
1038
1039extern void vmw_piter_start(struct vmw_piter *viter,
1040 const struct vmw_sg_table *vsgt,
1041 unsigned long p_offs);
1042
1043/**
1044 * vmw_piter_next - Advance the iterator one page.
1045 *
1046 * @viter: Pointer to the iterator to advance.
1047 *
1048 * Returns false if past the list of pages, true otherwise.
1049 */
1050static inline bool vmw_piter_next(struct vmw_piter *viter)
1051{
1052 return viter->next(viter);
1053}
1054
1055/**
1056 * vmw_piter_dma_addr - Return the DMA address of the current page.
1057 *
1058 * @viter: Pointer to the iterator
1059 *
1060 * Returns the DMA address of the page pointed to by @viter.
1061 */
1062static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
1063{
1064 return viter->dma_address(viter);
1065}
1066
1067/**
1068 * vmw_piter_page - Return a pointer to the current page.
1069 *
1070 * @viter: Pointer to the iterator
1071 *
1072 * Returns the DMA address of the page pointed to by @viter.
1073 */
1074static inline struct page *vmw_piter_page(struct vmw_piter *viter)
1075{
1076 return viter->page(viter);
1077}
1078
1079/**
1080 * Command submission - vmwgfx_execbuf.c
1081 */
1082
1083extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
1084 struct drm_file *file_priv);
1085extern int vmw_execbuf_process(struct drm_file *file_priv,
1086 struct vmw_private *dev_priv,
1087 void __user *user_commands,
1088 void *kernel_commands,
1089 uint32_t command_size,
1090 uint64_t throttle_us,
1091 uint32_t dx_context_handle,
1092 struct drm_vmw_fence_rep __user
1093 *user_fence_rep,
1094 struct vmw_fence_obj **out_fence,
1095 uint32_t flags);
1096extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
1097 struct vmw_fence_obj *fence);
1098extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
1099
1100extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
1101 struct vmw_private *dev_priv,
1102 struct vmw_fence_obj **p_fence,
1103 uint32_t *p_handle);
1104extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
1105 struct vmw_fpriv *vmw_fp,
1106 int ret,
1107 struct drm_vmw_fence_rep __user
1108 *user_fence_rep,
1109 struct vmw_fence_obj *fence,
1110 uint32_t fence_handle,
1111 int32_t out_fence_fd,
1112 struct sync_file *sync_file);
1113bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
1114
1115/**
1116 * IRQs and wating - vmwgfx_irq.c
1117 */
1118
1119extern int vmw_irq_install(struct drm_device *dev, int irq);
1120extern void vmw_irq_uninstall(struct drm_device *dev);
1121extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1122 uint32_t seqno);
1123extern int vmw_fallback_wait(struct vmw_private *dev_priv,
1124 bool lazy,
1125 bool fifo_idle,
1126 uint32_t seqno,
1127 bool interruptible,
1128 unsigned long timeout);
1129extern void vmw_update_seqno(struct vmw_private *dev_priv);
1130extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1131extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1132extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
1133extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1134extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1135 int *waiter_count);
1136extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
1137 u32 flag, int *waiter_count);
1138
1139
1140/**
1141 * Kernel framebuffer - vmwgfx_fb.c
1142 */
1143
1144#ifdef CONFIG_DRM_FBDEV_EMULATION
1145int vmw_fb_init(struct vmw_private *vmw_priv);
1146int vmw_fb_close(struct vmw_private *dev_priv);
1147int vmw_fb_off(struct vmw_private *vmw_priv);
1148int vmw_fb_on(struct vmw_private *vmw_priv);
1149#else
1150static inline int vmw_fb_init(struct vmw_private *vmw_priv)
1151{
1152 return 0;
1153}
1154static inline int vmw_fb_close(struct vmw_private *dev_priv)
1155{
1156 return 0;
1157}
1158static inline int vmw_fb_off(struct vmw_private *vmw_priv)
1159{
1160 return 0;
1161}
1162static inline int vmw_fb_on(struct vmw_private *vmw_priv)
1163{
1164 return 0;
1165}
1166#endif
1167
1168/**
1169 * Kernel modesetting - vmwgfx_kms.c
1170 */
1171
1172int vmw_kms_init(struct vmw_private *dev_priv);
1173int vmw_kms_close(struct vmw_private *dev_priv);
1174int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1175 struct drm_file *file_priv);
1176void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
1177void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1178 struct ttm_object_file *tfile,
1179 struct ttm_buffer_object *bo,
1180 SVGA3dCmdHeader *header);
1181int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1182 unsigned width, unsigned height, unsigned pitch,
1183 unsigned bpp, unsigned depth);
1184bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1185 uint32_t pitch,
1186 uint32_t height);
1187u32 vmw_get_vblank_counter(struct drm_crtc *crtc);
1188int vmw_enable_vblank(struct drm_crtc *crtc);
1189void vmw_disable_vblank(struct drm_crtc *crtc);
1190int vmw_kms_present(struct vmw_private *dev_priv,
1191 struct drm_file *file_priv,
1192 struct vmw_framebuffer *vfb,
1193 struct vmw_surface *surface,
1194 uint32_t sid, int32_t destX, int32_t destY,
1195 struct drm_vmw_rect *clips,
1196 uint32_t num_clips);
1197int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1198 struct drm_file *file_priv);
1199void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
1200int vmw_kms_suspend(struct drm_device *dev);
1201int vmw_kms_resume(struct drm_device *dev);
1202void vmw_kms_lost_device(struct drm_device *dev);
1203
1204int vmw_dumb_create(struct drm_file *file_priv,
1205 struct drm_device *dev,
1206 struct drm_mode_create_dumb *args);
1207
1208int vmw_dumb_map_offset(struct drm_file *file_priv,
1209 struct drm_device *dev, uint32_t handle,
1210 uint64_t *offset);
1211int vmw_dumb_destroy(struct drm_file *file_priv,
1212 struct drm_device *dev,
1213 uint32_t handle);
1214extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1215extern void vmw_resource_unpin(struct vmw_resource *res);
1216extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1217
1218/**
1219 * Overlay control - vmwgfx_overlay.c
1220 */
1221
1222int vmw_overlay_init(struct vmw_private *dev_priv);
1223int vmw_overlay_close(struct vmw_private *dev_priv);
1224int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1225 struct drm_file *file_priv);
1226int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1227int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1228int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1229int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1230int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1231int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1232
1233/**
1234 * GMR Id manager
1235 */
1236
1237int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
1238void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
1239
1240/**
1241 * Prime - vmwgfx_prime.c
1242 */
1243
1244extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1245extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1246 struct drm_file *file_priv,
1247 int fd, u32 *handle);
1248extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1249 struct drm_file *file_priv,
1250 uint32_t handle, uint32_t flags,
1251 int *prime_fd);
1252
1253/*
1254 * MemoryOBject management - vmwgfx_mob.c
1255 */
1256struct vmw_mob;
1257extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1258 const struct vmw_sg_table *vsgt,
1259 unsigned long num_data_pages, int32_t mob_id);
1260extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1261 struct vmw_mob *mob);
1262extern void vmw_mob_destroy(struct vmw_mob *mob);
1263extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1264extern int vmw_otables_setup(struct vmw_private *dev_priv);
1265extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1266
1267/*
1268 * Context management - vmwgfx_context.c
1269 */
1270
1271extern const struct vmw_user_resource_conv *user_context_converter;
1272
1273extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1274 struct drm_file *file_priv);
1275extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1276 struct drm_file *file_priv);
1277extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1278 struct drm_file *file_priv);
1279extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1280extern struct vmw_cmdbuf_res_manager *
1281vmw_context_res_man(struct vmw_resource *ctx);
1282extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1283 SVGACOTableType cotable_type);
1284extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1285struct vmw_ctx_binding_state;
1286extern struct vmw_ctx_binding_state *
1287vmw_context_binding_state(struct vmw_resource *ctx);
1288extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1289 bool readback);
1290extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1291 struct vmw_buffer_object *mob);
1292extern struct vmw_buffer_object *
1293vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1294
1295
1296/*
1297 * Surface management - vmwgfx_surface.c
1298 */
1299
1300extern const struct vmw_user_resource_conv *user_surface_converter;
1301
1302extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1303 struct drm_file *file_priv);
1304extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1305 struct drm_file *file_priv);
1306extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1307 struct drm_file *file_priv);
1308extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1309 struct drm_file *file_priv);
1310extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1311 struct drm_file *file_priv);
1312int vmw_surface_gb_priv_define(struct drm_device *dev,
1313 uint32_t user_accounting_size,
1314 SVGA3dSurfaceAllFlags svga3d_flags,
1315 SVGA3dSurfaceFormat format,
1316 bool for_scanout,
1317 uint32_t num_mip_levels,
1318 uint32_t multisample_count,
1319 uint32_t array_size,
1320 struct drm_vmw_size size,
1321 SVGA3dMSPattern multisample_pattern,
1322 SVGA3dMSQualityLevel quality_level,
1323 struct vmw_surface **srf_out);
1324extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1325 void *data,
1326 struct drm_file *file_priv);
1327extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1328 void *data,
1329 struct drm_file *file_priv);
1330
1331int vmw_gb_surface_define(struct vmw_private *dev_priv,
1332 uint32_t user_accounting_size,
1333 const struct vmw_surface_metadata *req,
1334 struct vmw_surface **srf_out);
1335
1336/*
1337 * Shader management - vmwgfx_shader.c
1338 */
1339
1340extern const struct vmw_user_resource_conv *user_shader_converter;
1341
1342extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1343 struct drm_file *file_priv);
1344extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1345 struct drm_file *file_priv);
1346extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1347 struct vmw_cmdbuf_res_manager *man,
1348 u32 user_key, const void *bytecode,
1349 SVGA3dShaderType shader_type,
1350 size_t size,
1351 struct list_head *list);
1352extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1353 u32 user_key, SVGA3dShaderType shader_type,
1354 struct list_head *list);
1355extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1356 struct vmw_resource *ctx,
1357 u32 user_key,
1358 SVGA3dShaderType shader_type,
1359 struct list_head *list);
1360extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1361 struct list_head *list,
1362 bool readback);
1363
1364extern struct vmw_resource *
1365vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1366 u32 user_key, SVGA3dShaderType shader_type);
1367
1368/*
1369 * Streamoutput management
1370 */
1371struct vmw_resource *
1372vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1373 u32 user_key);
1374int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1375 struct vmw_resource *ctx,
1376 SVGA3dStreamOutputId user_key,
1377 struct list_head *list);
1378void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1379int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1380 SVGA3dStreamOutputId user_key,
1381 struct list_head *list);
1382void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
1383 struct list_head *list,
1384 bool readback);
1385
1386/*
1387 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1388 */
1389
1390extern struct vmw_cmdbuf_res_manager *
1391vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1392extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1393extern size_t vmw_cmdbuf_res_man_size(void);
1394extern struct vmw_resource *
1395vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1396 enum vmw_cmdbuf_res_type res_type,
1397 u32 user_key);
1398extern void vmw_cmdbuf_res_revert(struct list_head *list);
1399extern void vmw_cmdbuf_res_commit(struct list_head *list);
1400extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1401 enum vmw_cmdbuf_res_type res_type,
1402 u32 user_key,
1403 struct vmw_resource *res,
1404 struct list_head *list);
1405extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1406 enum vmw_cmdbuf_res_type res_type,
1407 u32 user_key,
1408 struct list_head *list,
1409 struct vmw_resource **res);
1410
1411/*
1412 * COTable management - vmwgfx_cotable.c
1413 */
1414extern const SVGACOTableType vmw_cotable_scrub_order[];
1415extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1416 struct vmw_resource *ctx,
1417 u32 type);
1418extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1419extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1420extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1421 struct list_head *head);
1422
1423/*
1424 * Command buffer managerment vmwgfx_cmdbuf.c
1425 */
1426struct vmw_cmdbuf_man;
1427struct vmw_cmdbuf_header;
1428
1429extern struct vmw_cmdbuf_man *
1430vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1431extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
1432extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1433extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1434extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1435 unsigned long timeout);
1436extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1437 int ctx_id, bool interruptible,
1438 struct vmw_cmdbuf_header *header);
1439extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1440 struct vmw_cmdbuf_header *header,
1441 bool flush);
1442extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1443 size_t size, bool interruptible,
1444 struct vmw_cmdbuf_header **p_header);
1445extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1446extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1447 bool interruptible);
1448extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
1449
1450/* CPU blit utilities - vmwgfx_blit.c */
1451
1452/**
1453 * struct vmw_diff_cpy - CPU blit information structure
1454 *
1455 * @rect: The output bounding box rectangle.
1456 * @line: The current line of the blit.
1457 * @line_offset: Offset of the current line segment.
1458 * @cpp: Bytes per pixel (granularity information).
1459 * @memcpy: Which memcpy function to use.
1460 */
1461struct vmw_diff_cpy {
1462 struct drm_rect rect;
1463 size_t line;
1464 size_t line_offset;
1465 int cpp;
1466 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1467 size_t n);
1468};
1469
1470#define VMW_CPU_BLIT_INITIALIZER { \
1471 .do_cpy = vmw_memcpy, \
1472}
1473
1474#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \
1475 .line = 0, \
1476 .line_offset = 0, \
1477 .rect = { .x1 = INT_MAX/2, \
1478 .y1 = INT_MAX/2, \
1479 .x2 = INT_MIN/2, \
1480 .y2 = INT_MIN/2 \
1481 }, \
1482 .cpp = _cpp, \
1483 .do_cpy = vmw_diff_memcpy, \
1484}
1485
1486void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1487 size_t n);
1488
1489void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1490
1491int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
1492 u32 dst_offset, u32 dst_stride,
1493 struct ttm_buffer_object *src,
1494 u32 src_offset, u32 src_stride,
1495 u32 w, u32 h,
1496 struct vmw_diff_cpy *diff);
1497
1498/* Host messaging -vmwgfx_msg.c: */
1499int vmw_host_get_guestinfo(const char *guest_info_param,
1500 char *buffer, size_t *length);
1501__printf(1, 2) int vmw_host_printf(const char *fmt, ...);
1502int vmw_msg_ioctl(struct drm_device *dev, void *data,
1503 struct drm_file *file_priv);
1504
1505/* VMW logging */
1506
1507/**
1508 * VMW_DEBUG_USER - Debug output for user-space debugging.
1509 *
1510 * @fmt: printf() like format string.
1511 *
1512 * This macro is for logging user-space error and debugging messages for e.g.
1513 * command buffer execution errors due to malformed commands, invalid context,
1514 * etc.
1515 */
1516#define VMW_DEBUG_USER(fmt, ...) \
1517 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1518
1519/* Resource dirtying - vmwgfx_page_dirty.c */
1520void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo);
1521int vmw_bo_dirty_add(struct vmw_buffer_object *vbo);
1522void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1523void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1524void vmw_bo_dirty_release(struct vmw_buffer_object *vbo);
1525void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo,
1526 pgoff_t start, pgoff_t end);
1527vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1528vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
1529#ifdef CONFIG_TRANSPARENT_HUGEPAGE
1530vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf,
1531 enum page_entry_size pe_size);
1532#endif
1533
1534/* Transparent hugepage support - vmwgfx_thp.c */
1535#ifdef CONFIG_TRANSPARENT_HUGEPAGE
1536extern int vmw_thp_init(struct vmw_private *dev_priv);
1537void vmw_thp_fini(struct vmw_private *dev_priv);
1538#endif
1539
1540/**
1541 * VMW_DEBUG_KMS - Debug output for kernel mode-setting
1542 *
1543 * This macro is for debugging vmwgfx mode-setting code.
1544 */
1545#define VMW_DEBUG_KMS(fmt, ...) \
1546 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1547
1548/**
1549 * Inline helper functions
1550 */
1551
1552static inline void vmw_surface_unreference(struct vmw_surface **srf)
1553{
1554 struct vmw_surface *tmp_srf = *srf;
1555 struct vmw_resource *res = &tmp_srf->res;
1556 *srf = NULL;
1557
1558 vmw_resource_unreference(&res);
1559}
1560
1561static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1562{
1563 (void) vmw_resource_reference(&srf->res);
1564 return srf;
1565}
1566
1567static inline void vmw_bo_unreference(struct vmw_buffer_object **buf)
1568{
1569 struct vmw_buffer_object *tmp_buf = *buf;
1570
1571 *buf = NULL;
1572 if (tmp_buf != NULL)
1573 ttm_bo_put(&tmp_buf->base);
1574}
1575
1576static inline struct vmw_buffer_object *
1577vmw_bo_reference(struct vmw_buffer_object *buf)
1578{
1579 ttm_bo_get(&buf->base);
1580 return buf;
1581}
1582
1583static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
1584{
1585 return &ttm_mem_glob;
1586}
1587
1588static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1589{
1590 atomic_inc(&dev_priv->num_fifo_resources);
1591}
1592
1593static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1594{
1595 atomic_dec(&dev_priv->num_fifo_resources);
1596}
1597
1598/**
1599 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory
1600 *
1601 * @fifo_reg: The fifo register to read from
1602 *
1603 * This function is intended to be equivalent to ioread32() on
1604 * memremap'd memory, but without byteswapping.
1605 */
1606static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg)
1607{
1608 BUG_ON(vmw_is_svga_v3(vmw));
1609 return READ_ONCE(*(vmw->fifo_mem + fifo_reg));
1610}
1611
1612/**
1613 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory
1614 *
1615 * @addr: The fifo register to write to
1616 *
1617 * This function is intended to be equivalent to iowrite32 on
1618 * memremap'd memory, but without byteswapping.
1619 */
1620static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg,
1621 u32 value)
1622{
1623 BUG_ON(vmw_is_svga_v3(vmw));
1624 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value);
1625}
1626
1627static inline u32 vmw_fence_read(struct vmw_private *dev_priv)
1628{
1629 u32 fence;
1630 if (vmw_is_svga_v3(dev_priv))
1631 fence = vmw_read(dev_priv, SVGA_REG_FENCE);
1632 else
1633 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE);
1634 return fence;
1635}
1636
1637static inline void vmw_fence_write(struct vmw_private *dev_priv,
1638 u32 fence)
1639{
1640 BUG_ON(vmw_is_svga_v3(dev_priv));
1641 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence);
1642}
1643
1644static inline u32 vmw_irq_status_read(struct vmw_private *vmw)
1645{
1646 u32 status;
1647 if (vmw_is_svga_v3(vmw))
1648 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS);
1649 else
1650 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT);
1651 return status;
1652}
1653
1654static inline void vmw_irq_status_write(struct vmw_private *vmw,
1655 uint32 status)
1656{
1657 if (vmw_is_svga_v3(vmw))
1658 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status);
1659 else
1660 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT);
1661}
1662
1663#endif