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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 2009-2023 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#include <linux/hashtable.h>
34
35#include <drm/drm_auth.h>
36#include <drm/drm_device.h>
37#include <drm/drm_file.h>
38#include <drm/drm_rect.h>
39
40#include <drm/ttm/ttm_execbuf_util.h>
41#include <drm/ttm/ttm_tt.h>
42#include <drm/ttm/ttm_placement.h>
43#include <drm/ttm/ttm_bo.h>
44
45#include "ttm_object.h"
46
47#include "vmwgfx_fence.h"
48#include "vmwgfx_reg.h"
49#include "vmwgfx_validation.h"
50
51/*
52 * FIXME: vmwgfx_drm.h needs to be last due to dependencies.
53 * uapi headers should not depend on header files outside uapi/.
54 */
55#include <drm/vmwgfx_drm.h>
56
57
58#define VMWGFX_DRIVER_NAME "vmwgfx"
59#define VMWGFX_DRIVER_DATE "20211206"
60#define VMWGFX_DRIVER_MAJOR 2
61#define VMWGFX_DRIVER_MINOR 20
62#define VMWGFX_DRIVER_PATCHLEVEL 0
63#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
64#define VMWGFX_MAX_DISPLAYS 16
65#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
66
67#define VMWGFX_MIN_INITIAL_WIDTH 1280
68#define VMWGFX_MIN_INITIAL_HEIGHT 800
69
70#define VMWGFX_PCI_ID_SVGA2 0x0405
71#define VMWGFX_PCI_ID_SVGA3 0x0406
72
73/*
74 * This has to match get_count_order(SVGA_IRQFLAG_MAX)
75 */
76#define VMWGFX_MAX_NUM_IRQS 6
77
78/*
79 * Perhaps we should have sysfs entries for these.
80 */
81#define VMWGFX_NUM_GB_CONTEXT 256
82#define VMWGFX_NUM_GB_SHADER 20000
83#define VMWGFX_NUM_GB_SURFACE 32768
84#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
85#define VMWGFX_NUM_DXCONTEXT 256
86#define VMWGFX_NUM_DXQUERY 512
87#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
88 VMWGFX_NUM_GB_SHADER +\
89 VMWGFX_NUM_GB_SURFACE +\
90 VMWGFX_NUM_GB_SCREEN_TARGET)
91
92#define VMW_PL_GMR (TTM_PL_PRIV + 0)
93#define VMW_PL_MOB (TTM_PL_PRIV + 1)
94#define VMW_PL_SYSTEM (TTM_PL_PRIV + 2)
95
96#define VMW_RES_CONTEXT ttm_driver_type0
97#define VMW_RES_SURFACE ttm_driver_type1
98#define VMW_RES_STREAM ttm_driver_type2
99#define VMW_RES_FENCE ttm_driver_type3
100#define VMW_RES_SHADER ttm_driver_type4
101#define VMW_RES_HT_ORDER 12
102
103#define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8
104#define VMW_CURSOR_SNOOP_WIDTH 64
105#define VMW_CURSOR_SNOOP_HEIGHT 64
106
107#define MKSSTAT_CAPACITY_LOG2 5U
108#define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2)
109
110struct vmw_fpriv {
111 struct ttm_object_file *tfile;
112 bool gb_aware; /* user-space is guest-backed aware */
113};
114
115struct vmwgfx_hash_item {
116 struct hlist_node head;
117 unsigned long key;
118};
119
120
121/**
122 * struct vmw_validate_buffer - Carries validation info about buffers.
123 *
124 * @base: Validation info for TTM.
125 * @hash: Hash entry for quick lookup of the TTM buffer object.
126 *
127 * This structure contains also driver private validation info
128 * on top of the info needed by TTM.
129 */
130struct vmw_validate_buffer {
131 struct ttm_validate_buffer base;
132 struct vmwgfx_hash_item hash;
133 bool validate_as_mob;
134};
135
136struct vmw_res_func;
137
138
139/**
140 * struct vmw-resource - base class for hardware resources
141 *
142 * @kref: For refcounting.
143 * @dev_priv: Pointer to the device private for this resource. Immutable.
144 * @id: Device id. Protected by @dev_priv::resource_lock.
145 * @guest_memory_size: Guest memory buffer size. Immutable.
146 * @res_dirty: Resource contains data not yet in the guest memory buffer.
147 * Protected by resource reserved.
148 * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW
149 * resource. Protected by resource reserved.
150 * @coherent: Emulate coherency by tracking vm accesses.
151 * @guest_memory_bo: The guest memory buffer if any. Protected by resource
152 * reserved.
153 * @guest_memory_offset: Offset into the guest memory buffer if any. Protected
154 * by resource reserved. Note that only a few resource types can have a
155 * @guest_memory_offset 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 * guest memory buffer is pinned. Hence it can't be evicted.
159 * @func: Method vtable for this resource. Immutable.
160 * @mob_node; Node for the MOB guest memory rbtree. Protected by
161 * @guest_memory_bo reserved.
162 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
163 * @binding_head: List head for the context binding list. Protected by
164 * the @dev_priv::binding_mutex
165 * @res_free: The resource destructor.
166 * @hw_destroy: Callback to destroy the resource on the device, as part of
167 * resource destruction.
168 */
169struct vmw_bo;
170struct vmw_bo;
171struct vmw_resource_dirty;
172struct vmw_resource {
173 struct kref kref;
174 struct vmw_private *dev_priv;
175 int id;
176 u32 used_prio;
177 unsigned long guest_memory_size;
178 u32 res_dirty : 1;
179 u32 guest_memory_dirty : 1;
180 u32 coherent : 1;
181 struct vmw_bo *guest_memory_bo;
182 unsigned long guest_memory_offset;
183 unsigned long pin_count;
184 const struct vmw_res_func *func;
185 struct rb_node mob_node;
186 struct list_head lru_head;
187 struct list_head binding_head;
188 struct vmw_resource_dirty *dirty;
189 void (*res_free) (struct vmw_resource *res);
190 void (*hw_destroy) (struct vmw_resource *res);
191};
192
193
194/*
195 * Resources that are managed using ioctls.
196 */
197enum vmw_res_type {
198 vmw_res_context,
199 vmw_res_surface,
200 vmw_res_stream,
201 vmw_res_shader,
202 vmw_res_dx_context,
203 vmw_res_cotable,
204 vmw_res_view,
205 vmw_res_streamoutput,
206 vmw_res_max
207};
208
209/*
210 * Resources that are managed using command streams.
211 */
212enum vmw_cmdbuf_res_type {
213 vmw_cmdbuf_res_shader,
214 vmw_cmdbuf_res_view,
215 vmw_cmdbuf_res_streamoutput
216};
217
218struct vmw_cmdbuf_res_manager;
219
220struct vmw_cursor_snooper {
221 size_t age;
222 uint32_t *image;
223};
224
225struct vmw_framebuffer;
226struct vmw_surface_offset;
227
228/**
229 * struct vmw_surface_metadata - Metadata describing a surface.
230 *
231 * @flags: Device flags.
232 * @format: Surface SVGA3D_x format.
233 * @mip_levels: Mip level for each face. For GB first index is used only.
234 * @multisample_count: Sample count.
235 * @multisample_pattern: Sample patterns.
236 * @quality_level: Quality level.
237 * @autogen_filter: Filter for automatically generated mipmaps.
238 * @array_size: Number of array elements for a 1D/2D texture. For cubemap
239 texture number of faces * array_size. This should be 0 for pre
240 SM4 device.
241 * @buffer_byte_stride: Buffer byte stride.
242 * @num_sizes: Size of @sizes. For GB surface this should always be 1.
243 * @base_size: Surface dimension.
244 * @sizes: Array representing mip sizes. Legacy only.
245 * @scanout: Whether this surface will be used for scanout.
246 *
247 * This tracks metadata for both legacy and guest backed surface.
248 */
249struct vmw_surface_metadata {
250 u64 flags;
251 u32 format;
252 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
253 u32 multisample_count;
254 u32 multisample_pattern;
255 u32 quality_level;
256 u32 autogen_filter;
257 u32 array_size;
258 u32 num_sizes;
259 u32 buffer_byte_stride;
260 struct drm_vmw_size base_size;
261 struct drm_vmw_size *sizes;
262 bool scanout;
263};
264
265/**
266 * struct vmw_surface: Resource structure for a surface.
267 *
268 * @res: The base resource for this surface.
269 * @metadata: Metadata for this surface resource.
270 * @snooper: Cursor data. Legacy surface only.
271 * @offsets: Legacy surface only.
272 * @view_list: List of views bound to this surface.
273 */
274struct vmw_surface {
275 struct vmw_resource res;
276 struct vmw_surface_metadata metadata;
277 struct vmw_cursor_snooper snooper;
278 struct vmw_surface_offset *offsets;
279 struct list_head view_list;
280};
281
282struct vmw_fifo_state {
283 unsigned long reserved_size;
284 u32 *dynamic_buffer;
285 u32 *static_buffer;
286 unsigned long static_buffer_size;
287 bool using_bounce_buffer;
288 uint32_t capabilities;
289 struct mutex fifo_mutex;
290 struct rw_semaphore rwsem;
291};
292
293/**
294 * struct vmw_res_cache_entry - resource information cache entry
295 * @handle: User-space handle of a resource.
296 * @res: Non-ref-counted pointer to the resource.
297 * @valid_handle: Whether the @handle member is valid.
298 * @valid: Whether the entry is valid, which also implies that the execbuf
299 * code holds a reference to the resource, and it's placed on the
300 * validation list.
301 *
302 * Used to avoid frequent repeated user-space handle lookups of the
303 * same resource.
304 */
305struct vmw_res_cache_entry {
306 uint32_t handle;
307 struct vmw_resource *res;
308 void *private;
309 unsigned short valid_handle;
310 unsigned short valid;
311};
312
313/**
314 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
315 */
316enum vmw_dma_map_mode {
317 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
318 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
319 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
320 vmw_dma_map_max
321};
322
323/**
324 * struct vmw_sg_table - Scatter/gather table for binding, with additional
325 * device-specific information.
326 *
327 * @sgt: Pointer to a struct sg_table with binding information
328 * @num_regions: Number of regions with device-address contiguous pages
329 */
330struct vmw_sg_table {
331 enum vmw_dma_map_mode mode;
332 struct page **pages;
333 const dma_addr_t *addrs;
334 struct sg_table *sgt;
335 unsigned long num_pages;
336};
337
338/**
339 * struct vmw_piter - Page iterator that iterates over a list of pages
340 * and DMA addresses that could be either a scatter-gather list or
341 * arrays
342 *
343 * @pages: Array of page pointers to the pages.
344 * @addrs: DMA addresses to the pages if coherent pages are used.
345 * @iter: Scatter-gather page iterator. Current position in SG list.
346 * @i: Current position in arrays.
347 * @num_pages: Number of pages total.
348 * @next: Function to advance the iterator. Returns false if past the list
349 * of pages, true otherwise.
350 * @dma_address: Function to return the DMA address of the current page.
351 */
352struct vmw_piter {
353 struct page **pages;
354 const dma_addr_t *addrs;
355 struct sg_dma_page_iter iter;
356 unsigned long i;
357 unsigned long num_pages;
358 bool (*next)(struct vmw_piter *);
359 dma_addr_t (*dma_address)(struct vmw_piter *);
360};
361
362
363struct vmw_ttm_tt {
364 struct ttm_tt dma_ttm;
365 struct vmw_private *dev_priv;
366 int gmr_id;
367 struct vmw_mob *mob;
368 int mem_type;
369 struct sg_table sgt;
370 struct vmw_sg_table vsgt;
371 bool mapped;
372 bool bound;
373};
374
375/*
376 * enum vmw_display_unit_type - Describes the display unit
377 */
378enum vmw_display_unit_type {
379 vmw_du_invalid = 0,
380 vmw_du_legacy,
381 vmw_du_screen_object,
382 vmw_du_screen_target,
383 vmw_du_max
384};
385
386struct vmw_validation_context;
387struct vmw_ctx_validation_info;
388
389/**
390 * struct vmw_sw_context - Command submission context
391 * @res_ht: Pointer hash table used to find validation duplicates
392 * @kernel: Whether the command buffer originates from kernel code rather
393 * than from user-space
394 * @fp: If @kernel is false, points to the file of the client. Otherwise
395 * NULL
396 * @cmd_bounce: Command bounce buffer used for command validation before
397 * copying to fifo space
398 * @cmd_bounce_size: Current command bounce buffer size
399 * @cur_query_bo: Current buffer object used as query result buffer
400 * @bo_relocations: List of buffer object relocations
401 * @res_relocations: List of resource relocations
402 * @buf_start: Pointer to start of memory where command validation takes
403 * place
404 * @res_cache: Cache of recently looked up resources
405 * @last_query_ctx: Last context that submitted a query
406 * @needs_post_query_barrier: Whether a query barrier is needed after
407 * command submission
408 * @staged_bindings: Cached per-context binding tracker
409 * @staged_bindings_inuse: Whether the cached per-context binding tracker
410 * is in use
411 * @staged_cmd_res: List of staged command buffer managed resources in this
412 * command buffer
413 * @ctx_list: List of context resources referenced in this command buffer
414 * @dx_ctx_node: Validation metadata of the current DX context
415 * @dx_query_mob: The MOB used for DX queries
416 * @dx_query_ctx: The DX context used for the last DX query
417 * @man: Pointer to the command buffer managed resource manager
418 * @ctx: The validation context
419 */
420struct vmw_sw_context{
421 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER);
422 bool kernel;
423 struct vmw_fpriv *fp;
424 struct drm_file *filp;
425 uint32_t *cmd_bounce;
426 uint32_t cmd_bounce_size;
427 struct vmw_bo *cur_query_bo;
428 struct list_head bo_relocations;
429 struct list_head res_relocations;
430 uint32_t *buf_start;
431 struct vmw_res_cache_entry res_cache[vmw_res_max];
432 struct vmw_resource *last_query_ctx;
433 bool needs_post_query_barrier;
434 struct vmw_ctx_binding_state *staged_bindings;
435 bool staged_bindings_inuse;
436 struct list_head staged_cmd_res;
437 struct list_head ctx_list;
438 struct vmw_ctx_validation_info *dx_ctx_node;
439 struct vmw_bo *dx_query_mob;
440 struct vmw_resource *dx_query_ctx;
441 struct vmw_cmdbuf_res_manager *man;
442 struct vmw_validation_context *ctx;
443};
444
445struct vmw_legacy_display;
446struct vmw_overlay;
447
448struct vmw_vga_topology_state {
449 uint32_t width;
450 uint32_t height;
451 uint32_t primary;
452 uint32_t pos_x;
453 uint32_t pos_y;
454};
455
456
457/*
458 * struct vmw_otable - Guest Memory OBject table metadata
459 *
460 * @size: Size of the table (page-aligned).
461 * @page_table: Pointer to a struct vmw_mob holding the page table.
462 */
463struct vmw_otable {
464 unsigned long size;
465 struct vmw_mob *page_table;
466 bool enabled;
467};
468
469struct vmw_otable_batch {
470 unsigned num_otables;
471 struct vmw_otable *otables;
472 struct vmw_resource *context;
473 struct vmw_bo *otable_bo;
474};
475
476enum {
477 VMW_IRQTHREAD_FENCE,
478 VMW_IRQTHREAD_CMDBUF,
479 VMW_IRQTHREAD_MAX
480};
481
482/**
483 * enum vmw_sm_type - Graphics context capability supported by device.
484 * @VMW_SM_LEGACY: Pre DX context.
485 * @VMW_SM_4: Context support upto SM4.
486 * @VMW_SM_4_1: Context support upto SM4_1.
487 * @VMW_SM_5: Context support up to SM5.
488 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions.
489 * @VMW_SM_MAX: Should be the last.
490 */
491enum vmw_sm_type {
492 VMW_SM_LEGACY = 0,
493 VMW_SM_4,
494 VMW_SM_4_1,
495 VMW_SM_5,
496 VMW_SM_5_1X,
497 VMW_SM_MAX
498};
499
500struct vmw_private {
501 struct drm_device drm;
502 struct ttm_device bdev;
503
504 struct drm_vma_offset_manager vma_manager;
505 u32 pci_id;
506 resource_size_t io_start;
507 resource_size_t vram_start;
508 resource_size_t vram_size;
509 resource_size_t max_primary_mem;
510 u32 __iomem *rmmio;
511 u32 *fifo_mem;
512 resource_size_t fifo_mem_size;
513 uint32_t fb_max_width;
514 uint32_t fb_max_height;
515 uint32_t texture_max_width;
516 uint32_t texture_max_height;
517 uint32_t stdu_max_width;
518 uint32_t stdu_max_height;
519 uint32_t initial_width;
520 uint32_t initial_height;
521 uint32_t capabilities;
522 uint32_t capabilities2;
523 uint32_t max_gmr_ids;
524 uint32_t max_gmr_pages;
525 uint32_t max_mob_pages;
526 uint32_t max_mob_size;
527 uint32_t memory_size;
528 bool has_gmr;
529 bool has_mob;
530 spinlock_t hw_lock;
531 bool assume_16bpp;
532 u32 irqs[VMWGFX_MAX_NUM_IRQS];
533 u32 num_irq_vectors;
534
535 enum vmw_sm_type sm_type;
536
537 /*
538 * Framebuffer info.
539 */
540
541 enum vmw_display_unit_type active_display_unit;
542 struct vmw_legacy_display *ldu_priv;
543 struct vmw_overlay *overlay_priv;
544 struct drm_property *hotplug_mode_update_property;
545 struct drm_property *implicit_placement_property;
546 spinlock_t cursor_lock;
547 struct drm_atomic_state *suspend_state;
548
549 /*
550 * Context and surface management.
551 */
552
553 spinlock_t resource_lock;
554 struct idr res_idr[vmw_res_max];
555
556 /*
557 * A resource manager for kernel-only surfaces and
558 * contexts.
559 */
560
561 struct ttm_object_device *tdev;
562
563 /*
564 * Fencing and IRQs.
565 */
566
567 atomic_t marker_seq;
568 wait_queue_head_t fence_queue;
569 wait_queue_head_t fifo_queue;
570 spinlock_t waiter_lock;
571 int fence_queue_waiters; /* Protected by waiter_lock */
572 int goal_queue_waiters; /* Protected by waiter_lock */
573 int cmdbuf_waiters; /* Protected by waiter_lock */
574 int error_waiters; /* Protected by waiter_lock */
575 int fifo_queue_waiters; /* Protected by waiter_lock */
576 uint32_t last_read_seqno;
577 struct vmw_fence_manager *fman;
578 uint32_t irq_mask; /* Updates protected by waiter_lock */
579
580 /*
581 * Device state
582 */
583
584 uint32_t traces_state;
585 uint32_t enable_state;
586 uint32_t config_done_state;
587
588 /**
589 * Execbuf
590 */
591 /**
592 * Protected by the cmdbuf mutex.
593 */
594
595 struct vmw_sw_context ctx;
596 struct mutex cmdbuf_mutex;
597 struct mutex binding_mutex;
598
599 /**
600 * PM management.
601 */
602 struct notifier_block pm_nb;
603 bool refuse_hibernation;
604 bool suspend_locked;
605
606 atomic_t num_fifo_resources;
607
608 /*
609 * Query processing. These members
610 * are protected by the cmdbuf mutex.
611 */
612
613 struct vmw_bo *dummy_query_bo;
614 struct vmw_bo *pinned_bo;
615 uint32_t query_cid;
616 uint32_t query_cid_valid;
617 bool dummy_query_bo_pinned;
618
619 /*
620 * Surface swapping. The "surface_lru" list is protected by the
621 * resource lock in order to be able to destroy a surface and take
622 * it off the lru atomically. "used_memory_size" is currently
623 * protected by the cmdbuf mutex for simplicity.
624 */
625
626 struct list_head res_lru[vmw_res_max];
627 uint32_t used_memory_size;
628
629 /*
630 * DMA mapping stuff.
631 */
632 enum vmw_dma_map_mode map_mode;
633
634 /*
635 * Guest Backed stuff
636 */
637 struct vmw_otable_batch otable_batch;
638
639 struct vmw_fifo_state *fifo;
640 struct vmw_cmdbuf_man *cman;
641 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
642
643 uint32 *devcaps;
644
645 /*
646 * mksGuestStat instance-descriptor and pid arrays
647 */
648 struct page *mksstat_user_pages[MKSSTAT_CAPACITY];
649 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY];
650
651#if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS)
652 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY];
653 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY];
654 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY];
655#endif
656};
657
658static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
659{
660 return container_of(res, struct vmw_surface, res);
661}
662
663static inline struct vmw_private *vmw_priv(struct drm_device *dev)
664{
665 return (struct vmw_private *)dev->dev_private;
666}
667
668static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev)
669{
670 return container_of(bdev, struct vmw_private, bdev);
671}
672
673static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
674{
675 return (struct vmw_fpriv *)file_priv->driver_priv;
676}
677
678/*
679 * SVGA v3 has mmio register access and lacks fifo cmds
680 */
681static inline bool vmw_is_svga_v3(const struct vmw_private *dev)
682{
683 return dev->pci_id == VMWGFX_PCI_ID_SVGA3;
684}
685
686/*
687 * The locking here is fine-grained, so that it is performed once
688 * for every read- and write operation. This is of course costly, but we
689 * don't perform much register access in the timing critical paths anyway.
690 * Instead we have the extra benefit of being sure that we don't forget
691 * the hw lock around register accesses.
692 */
693static inline void vmw_write(struct vmw_private *dev_priv,
694 unsigned int offset, uint32_t value)
695{
696 if (vmw_is_svga_v3(dev_priv)) {
697 iowrite32(value, dev_priv->rmmio + offset);
698 } else {
699 spin_lock(&dev_priv->hw_lock);
700 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
701 outl(value, dev_priv->io_start + SVGA_VALUE_PORT);
702 spin_unlock(&dev_priv->hw_lock);
703 }
704}
705
706static inline uint32_t vmw_read(struct vmw_private *dev_priv,
707 unsigned int offset)
708{
709 u32 val;
710
711 if (vmw_is_svga_v3(dev_priv)) {
712 val = ioread32(dev_priv->rmmio + offset);
713 } else {
714 spin_lock(&dev_priv->hw_lock);
715 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
716 val = inl(dev_priv->io_start + SVGA_VALUE_PORT);
717 spin_unlock(&dev_priv->hw_lock);
718 }
719
720 return val;
721}
722
723/**
724 * has_sm4_context - Does the device support SM4 context.
725 * @dev_priv: Device private.
726 *
727 * Return: Bool value if device support SM4 context or not.
728 */
729static inline bool has_sm4_context(const struct vmw_private *dev_priv)
730{
731 return (dev_priv->sm_type >= VMW_SM_4);
732}
733
734/**
735 * has_sm4_1_context - Does the device support SM4_1 context.
736 * @dev_priv: Device private.
737 *
738 * Return: Bool value if device support SM4_1 context or not.
739 */
740static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
741{
742 return (dev_priv->sm_type >= VMW_SM_4_1);
743}
744
745/**
746 * has_sm5_context - Does the device support SM5 context.
747 * @dev_priv: Device private.
748 *
749 * Return: Bool value if device support SM5 context or not.
750 */
751static inline bool has_sm5_context(const struct vmw_private *dev_priv)
752{
753 return (dev_priv->sm_type >= VMW_SM_5);
754}
755
756/**
757 * has_gl43_context - Does the device support GL43 context.
758 * @dev_priv: Device private.
759 *
760 * Return: Bool value if device support SM5 context or not.
761 */
762static inline bool has_gl43_context(const struct vmw_private *dev_priv)
763{
764 return (dev_priv->sm_type >= VMW_SM_5_1X);
765}
766
767
768static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv)
769{
770 return (has_gl43_context(dev_priv) ?
771 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS);
772}
773
774extern void vmw_svga_enable(struct vmw_private *dev_priv);
775extern void vmw_svga_disable(struct vmw_private *dev_priv);
776bool vmwgfx_supported(struct vmw_private *vmw);
777
778
779/**
780 * GMR utilities - vmwgfx_gmr.c
781 */
782
783extern int vmw_gmr_bind(struct vmw_private *dev_priv,
784 const struct vmw_sg_table *vsgt,
785 unsigned long num_pages,
786 int gmr_id);
787extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
788
789/**
790 * Resource utilities - vmwgfx_resource.c
791 */
792struct vmw_user_resource_conv;
793
794extern void vmw_resource_unreference(struct vmw_resource **p_res);
795extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
796extern struct vmw_resource *
797vmw_resource_reference_unless_doomed(struct vmw_resource *res);
798extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
799 bool dirtying);
800extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
801 bool no_backup);
802extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
803extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
804 struct drm_file *filp,
805 uint32_t handle,
806 struct vmw_surface **out_surf,
807 struct vmw_bo **out_buf);
808extern int vmw_user_resource_lookup_handle(
809 struct vmw_private *dev_priv,
810 struct ttm_object_file *tfile,
811 uint32_t handle,
812 const struct vmw_user_resource_conv *converter,
813 struct vmw_resource **p_res);
814
815extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
816 struct drm_file *file_priv);
817extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
818 struct drm_file *file_priv);
819extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
820 struct ttm_object_file *tfile,
821 uint32_t *inout_id,
822 struct vmw_resource **out);
823extern void vmw_resource_unreserve(struct vmw_resource *res,
824 bool dirty_set,
825 bool dirty,
826 bool switch_guest_memory,
827 struct vmw_bo *new_guest_memory,
828 unsigned long new_guest_memory_offset);
829extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
830 struct ttm_resource *old_mem,
831 struct ttm_resource *new_mem);
832int vmw_query_readback_all(struct vmw_bo *dx_query_mob);
833void vmw_resource_evict_all(struct vmw_private *dev_priv);
834void vmw_resource_unbind_list(struct vmw_bo *vbo);
835void vmw_resource_mob_attach(struct vmw_resource *res);
836void vmw_resource_mob_detach(struct vmw_resource *res);
837void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
838 pgoff_t end);
839int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start,
840 pgoff_t end, pgoff_t *num_prefault);
841
842/**
843 * vmw_resource_mob_attached - Whether a resource currently has a mob attached
844 * @res: The resource
845 *
846 * Return: true if the resource has a mob attached, false otherwise.
847 */
848static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
849{
850 return !RB_EMPTY_NODE(&res->mob_node);
851}
852
853/**
854 * GEM related functionality - vmwgfx_gem.c
855 */
856struct vmw_bo_params;
857int vmw_gem_object_create(struct vmw_private *vmw,
858 struct vmw_bo_params *params,
859 struct vmw_bo **p_vbo);
860extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv,
861 struct drm_file *filp,
862 uint32_t size,
863 uint32_t *handle,
864 struct vmw_bo **p_vbo);
865extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
866 struct drm_file *filp);
867extern void vmw_debugfs_gem_init(struct vmw_private *vdev);
868
869/**
870 * Misc Ioctl functionality - vmwgfx_ioctl.c
871 */
872
873extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
874 struct drm_file *file_priv);
875extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
876 struct drm_file *file_priv);
877extern int vmw_present_ioctl(struct drm_device *dev, void *data,
878 struct drm_file *file_priv);
879extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
880 struct drm_file *file_priv);
881
882/**
883 * Fifo utilities - vmwgfx_fifo.c
884 */
885
886extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
887extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
888extern bool vmw_cmd_supported(struct vmw_private *vmw);
889extern void *
890vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
891extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
892extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
893extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
894extern bool vmw_supports_3d(struct vmw_private *dev_priv);
895extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
896extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
897extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
898 uint32_t cid);
899extern int vmw_cmd_flush(struct vmw_private *dev_priv,
900 bool interruptible);
901
902#define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \
903({ \
904 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \
905 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \
906 __func__, (unsigned int) __bytes); \
907 NULL; \
908 }); \
909})
910
911#define VMW_CMD_RESERVE(__priv, __bytes) \
912 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID)
913
914
915/**
916 * vmw_fifo_caps - Returns the capabilities of the FIFO command
917 * queue or 0 if fifo memory isn't present.
918 * @dev_priv: The device private context
919 */
920static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv)
921{
922 if (!dev_priv->fifo_mem || !dev_priv->fifo)
923 return 0;
924 return dev_priv->fifo->capabilities;
925}
926
927
928/**
929 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3
930 * is enabled in the FIFO.
931 * @dev_priv: The device private context
932 */
933static inline bool
934vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
935{
936 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0;
937}
938
939/**
940 * TTM buffer object driver - vmwgfx_ttm_buffer.c
941 */
942
943extern const size_t vmw_tt_size;
944extern struct ttm_placement vmw_vram_placement;
945extern struct ttm_placement vmw_vram_gmr_placement;
946extern struct ttm_placement vmw_sys_placement;
947extern struct ttm_device_funcs vmw_bo_driver;
948extern const struct vmw_sg_table *
949vmw_bo_sg_table(struct ttm_buffer_object *bo);
950int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
951 size_t bo_size,
952 u32 domain,
953 struct vmw_bo **bo_p);
954
955extern void vmw_piter_start(struct vmw_piter *viter,
956 const struct vmw_sg_table *vsgt,
957 unsigned long p_offs);
958
959/**
960 * vmw_piter_next - Advance the iterator one page.
961 *
962 * @viter: Pointer to the iterator to advance.
963 *
964 * Returns false if past the list of pages, true otherwise.
965 */
966static inline bool vmw_piter_next(struct vmw_piter *viter)
967{
968 return viter->next(viter);
969}
970
971/**
972 * vmw_piter_dma_addr - Return the DMA address of the current page.
973 *
974 * @viter: Pointer to the iterator
975 *
976 * Returns the DMA address of the page pointed to by @viter.
977 */
978static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
979{
980 return viter->dma_address(viter);
981}
982
983/**
984 * vmw_piter_page - Return a pointer to the current page.
985 *
986 * @viter: Pointer to the iterator
987 *
988 * Returns the DMA address of the page pointed to by @viter.
989 */
990static inline struct page *vmw_piter_page(struct vmw_piter *viter)
991{
992 return viter->pages[viter->i];
993}
994
995/**
996 * Command submission - vmwgfx_execbuf.c
997 */
998
999extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
1000 struct drm_file *file_priv);
1001extern int vmw_execbuf_process(struct drm_file *file_priv,
1002 struct vmw_private *dev_priv,
1003 void __user *user_commands,
1004 void *kernel_commands,
1005 uint32_t command_size,
1006 uint64_t throttle_us,
1007 uint32_t dx_context_handle,
1008 struct drm_vmw_fence_rep __user
1009 *user_fence_rep,
1010 struct vmw_fence_obj **out_fence,
1011 uint32_t flags);
1012extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
1013 struct vmw_fence_obj *fence);
1014extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
1015
1016extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
1017 struct vmw_private *dev_priv,
1018 struct vmw_fence_obj **p_fence,
1019 uint32_t *p_handle);
1020extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
1021 struct vmw_fpriv *vmw_fp,
1022 int ret,
1023 struct drm_vmw_fence_rep __user
1024 *user_fence_rep,
1025 struct vmw_fence_obj *fence,
1026 uint32_t fence_handle,
1027 int32_t out_fence_fd);
1028bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
1029
1030/**
1031 * IRQs and wating - vmwgfx_irq.c
1032 */
1033
1034extern int vmw_irq_install(struct vmw_private *dev_priv);
1035extern void vmw_irq_uninstall(struct drm_device *dev);
1036extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1037 uint32_t seqno);
1038extern int vmw_fallback_wait(struct vmw_private *dev_priv,
1039 bool lazy,
1040 bool fifo_idle,
1041 uint32_t seqno,
1042 bool interruptible,
1043 unsigned long timeout);
1044extern void vmw_update_seqno(struct vmw_private *dev_priv);
1045extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1046extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1047extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
1048extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1049extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1050 int *waiter_count);
1051extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
1052 u32 flag, int *waiter_count);
1053
1054/**
1055 * Kernel modesetting - vmwgfx_kms.c
1056 */
1057
1058int vmw_kms_init(struct vmw_private *dev_priv);
1059int vmw_kms_close(struct vmw_private *dev_priv);
1060int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1061 struct drm_file *file_priv);
1062void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
1063void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1064 struct ttm_object_file *tfile,
1065 struct ttm_buffer_object *bo,
1066 SVGA3dCmdHeader *header);
1067int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1068 unsigned width, unsigned height, unsigned pitch,
1069 unsigned bpp, unsigned depth);
1070bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1071 uint32_t pitch,
1072 uint32_t height);
1073int vmw_kms_present(struct vmw_private *dev_priv,
1074 struct drm_file *file_priv,
1075 struct vmw_framebuffer *vfb,
1076 struct vmw_surface *surface,
1077 uint32_t sid, int32_t destX, int32_t destY,
1078 struct drm_vmw_rect *clips,
1079 uint32_t num_clips);
1080int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1081 struct drm_file *file_priv);
1082void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
1083int vmw_kms_suspend(struct drm_device *dev);
1084int vmw_kms_resume(struct drm_device *dev);
1085void vmw_kms_lost_device(struct drm_device *dev);
1086
1087int vmw_dumb_create(struct drm_file *file_priv,
1088 struct drm_device *dev,
1089 struct drm_mode_create_dumb *args);
1090extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1091extern void vmw_resource_unpin(struct vmw_resource *res);
1092extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1093
1094/**
1095 * Overlay control - vmwgfx_overlay.c
1096 */
1097
1098int vmw_overlay_init(struct vmw_private *dev_priv);
1099int vmw_overlay_close(struct vmw_private *dev_priv);
1100int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1101 struct drm_file *file_priv);
1102int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1103int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1104int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1105int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1106int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1107int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1108
1109/**
1110 * GMR Id manager
1111 */
1112
1113int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
1114void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
1115
1116/**
1117 * System memory manager
1118 */
1119int vmw_sys_man_init(struct vmw_private *dev_priv);
1120void vmw_sys_man_fini(struct vmw_private *dev_priv);
1121
1122/**
1123 * Prime - vmwgfx_prime.c
1124 */
1125
1126extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1127extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1128 struct drm_file *file_priv,
1129 int fd, u32 *handle);
1130extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1131 struct drm_file *file_priv,
1132 uint32_t handle, uint32_t flags,
1133 int *prime_fd);
1134
1135/*
1136 * MemoryOBject management - vmwgfx_mob.c
1137 */
1138struct vmw_mob;
1139extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1140 const struct vmw_sg_table *vsgt,
1141 unsigned long num_data_pages, int32_t mob_id);
1142extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1143 struct vmw_mob *mob);
1144extern void vmw_mob_destroy(struct vmw_mob *mob);
1145extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1146extern int vmw_otables_setup(struct vmw_private *dev_priv);
1147extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1148
1149/*
1150 * Context management - vmwgfx_context.c
1151 */
1152
1153extern const struct vmw_user_resource_conv *user_context_converter;
1154
1155extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1156 struct drm_file *file_priv);
1157extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1158 struct drm_file *file_priv);
1159extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1160 struct drm_file *file_priv);
1161extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1162extern struct vmw_cmdbuf_res_manager *
1163vmw_context_res_man(struct vmw_resource *ctx);
1164extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1165 SVGACOTableType cotable_type);
1166struct vmw_ctx_binding_state;
1167extern struct vmw_ctx_binding_state *
1168vmw_context_binding_state(struct vmw_resource *ctx);
1169extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1170 bool readback);
1171extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1172 struct vmw_bo *mob);
1173extern struct vmw_bo *
1174vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1175
1176
1177/*
1178 * Surface management - vmwgfx_surface.c
1179 */
1180
1181extern const struct vmw_user_resource_conv *user_surface_converter;
1182
1183extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1184 struct drm_file *file_priv);
1185extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1186 struct drm_file *file_priv);
1187extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1188 struct drm_file *file_priv);
1189extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1190 struct drm_file *file_priv);
1191extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1192 struct drm_file *file_priv);
1193extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1194 void *data,
1195 struct drm_file *file_priv);
1196extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1197 void *data,
1198 struct drm_file *file_priv);
1199
1200int vmw_gb_surface_define(struct vmw_private *dev_priv,
1201 const struct vmw_surface_metadata *req,
1202 struct vmw_surface **srf_out);
1203
1204/*
1205 * Shader management - vmwgfx_shader.c
1206 */
1207
1208extern const struct vmw_user_resource_conv *user_shader_converter;
1209
1210extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1211 struct drm_file *file_priv);
1212extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1213 struct drm_file *file_priv);
1214extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1215 struct vmw_cmdbuf_res_manager *man,
1216 u32 user_key, const void *bytecode,
1217 SVGA3dShaderType shader_type,
1218 size_t size,
1219 struct list_head *list);
1220extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1221 u32 user_key, SVGA3dShaderType shader_type,
1222 struct list_head *list);
1223extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1224 struct vmw_resource *ctx,
1225 u32 user_key,
1226 SVGA3dShaderType shader_type,
1227 struct list_head *list);
1228extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1229 struct list_head *list,
1230 bool readback);
1231
1232extern struct vmw_resource *
1233vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1234 u32 user_key, SVGA3dShaderType shader_type);
1235
1236/*
1237 * Streamoutput management
1238 */
1239struct vmw_resource *
1240vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1241 u32 user_key);
1242int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1243 struct vmw_resource *ctx,
1244 SVGA3dStreamOutputId user_key,
1245 struct list_head *list);
1246void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1247int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1248 SVGA3dStreamOutputId user_key,
1249 struct list_head *list);
1250void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
1251 struct list_head *list,
1252 bool readback);
1253
1254/*
1255 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1256 */
1257
1258extern struct vmw_cmdbuf_res_manager *
1259vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1260extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1261extern struct vmw_resource *
1262vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1263 enum vmw_cmdbuf_res_type res_type,
1264 u32 user_key);
1265extern void vmw_cmdbuf_res_revert(struct list_head *list);
1266extern void vmw_cmdbuf_res_commit(struct list_head *list);
1267extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1268 enum vmw_cmdbuf_res_type res_type,
1269 u32 user_key,
1270 struct vmw_resource *res,
1271 struct list_head *list);
1272extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1273 enum vmw_cmdbuf_res_type res_type,
1274 u32 user_key,
1275 struct list_head *list,
1276 struct vmw_resource **res);
1277
1278/*
1279 * COTable management - vmwgfx_cotable.c
1280 */
1281extern const SVGACOTableType vmw_cotable_scrub_order[];
1282extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1283 struct vmw_resource *ctx,
1284 u32 type);
1285extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1286extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1287extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1288 struct list_head *head);
1289
1290/*
1291 * Command buffer managerment vmwgfx_cmdbuf.c
1292 */
1293struct vmw_cmdbuf_man;
1294struct vmw_cmdbuf_header;
1295
1296extern struct vmw_cmdbuf_man *
1297vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1298extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
1299extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1300extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1301extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1302 unsigned long timeout);
1303extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1304 int ctx_id, bool interruptible,
1305 struct vmw_cmdbuf_header *header);
1306extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1307 struct vmw_cmdbuf_header *header,
1308 bool flush);
1309extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1310 size_t size, bool interruptible,
1311 struct vmw_cmdbuf_header **p_header);
1312extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1313extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1314 bool interruptible);
1315extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
1316
1317/* CPU blit utilities - vmwgfx_blit.c */
1318
1319/**
1320 * struct vmw_diff_cpy - CPU blit information structure
1321 *
1322 * @rect: The output bounding box rectangle.
1323 * @line: The current line of the blit.
1324 * @line_offset: Offset of the current line segment.
1325 * @cpp: Bytes per pixel (granularity information).
1326 * @memcpy: Which memcpy function to use.
1327 */
1328struct vmw_diff_cpy {
1329 struct drm_rect rect;
1330 size_t line;
1331 size_t line_offset;
1332 int cpp;
1333 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1334 size_t n);
1335};
1336
1337#define VMW_CPU_BLIT_INITIALIZER { \
1338 .do_cpy = vmw_memcpy, \
1339}
1340
1341#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \
1342 .line = 0, \
1343 .line_offset = 0, \
1344 .rect = { .x1 = INT_MAX/2, \
1345 .y1 = INT_MAX/2, \
1346 .x2 = INT_MIN/2, \
1347 .y2 = INT_MIN/2 \
1348 }, \
1349 .cpp = _cpp, \
1350 .do_cpy = vmw_diff_memcpy, \
1351}
1352
1353void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1354 size_t n);
1355
1356void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1357
1358int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
1359 u32 dst_offset, u32 dst_stride,
1360 struct ttm_buffer_object *src,
1361 u32 src_offset, u32 src_stride,
1362 u32 w, u32 h,
1363 struct vmw_diff_cpy *diff);
1364
1365/* Host messaging -vmwgfx_msg.c: */
1366void vmw_disable_backdoor(void);
1367int vmw_host_get_guestinfo(const char *guest_info_param,
1368 char *buffer, size_t *length);
1369__printf(1, 2) int vmw_host_printf(const char *fmt, ...);
1370int vmw_msg_ioctl(struct drm_device *dev, void *data,
1371 struct drm_file *file_priv);
1372
1373/* Host mksGuestStats -vmwgfx_msg.c: */
1374int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv);
1375
1376int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data,
1377 struct drm_file *file_priv);
1378int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data,
1379 struct drm_file *file_priv);
1380int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data,
1381 struct drm_file *file_priv);
1382int vmw_mksstat_remove_all(struct vmw_private *dev_priv);
1383
1384/* VMW logging */
1385
1386/**
1387 * VMW_DEBUG_USER - Debug output for user-space debugging.
1388 *
1389 * @fmt: printf() like format string.
1390 *
1391 * This macro is for logging user-space error and debugging messages for e.g.
1392 * command buffer execution errors due to malformed commands, invalid context,
1393 * etc.
1394 */
1395#define VMW_DEBUG_USER(fmt, ...) \
1396 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1397
1398/* Resource dirtying - vmwgfx_page_dirty.c */
1399void vmw_bo_dirty_scan(struct vmw_bo *vbo);
1400int vmw_bo_dirty_add(struct vmw_bo *vbo);
1401void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1402void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1403void vmw_bo_dirty_release(struct vmw_bo *vbo);
1404void vmw_bo_dirty_unmap(struct vmw_bo *vbo,
1405 pgoff_t start, pgoff_t end);
1406vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1407vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
1408
1409
1410/**
1411 * VMW_DEBUG_KMS - Debug output for kernel mode-setting
1412 *
1413 * This macro is for debugging vmwgfx mode-setting code.
1414 */
1415#define VMW_DEBUG_KMS(fmt, ...) \
1416 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1417
1418/**
1419 * Inline helper functions
1420 */
1421
1422static inline void vmw_surface_unreference(struct vmw_surface **srf)
1423{
1424 struct vmw_surface *tmp_srf = *srf;
1425 struct vmw_resource *res = &tmp_srf->res;
1426 *srf = NULL;
1427
1428 vmw_resource_unreference(&res);
1429}
1430
1431static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1432{
1433 (void) vmw_resource_reference(&srf->res);
1434 return srf;
1435}
1436
1437static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1438{
1439 atomic_inc(&dev_priv->num_fifo_resources);
1440}
1441
1442static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1443{
1444 atomic_dec(&dev_priv->num_fifo_resources);
1445}
1446
1447/**
1448 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory
1449 *
1450 * @fifo_reg: The fifo register to read from
1451 *
1452 * This function is intended to be equivalent to ioread32() on
1453 * memremap'd memory, but without byteswapping.
1454 */
1455static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg)
1456{
1457 BUG_ON(vmw_is_svga_v3(vmw));
1458 return READ_ONCE(*(vmw->fifo_mem + fifo_reg));
1459}
1460
1461/**
1462 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory
1463 *
1464 * @addr: The fifo register to write to
1465 *
1466 * This function is intended to be equivalent to iowrite32 on
1467 * memremap'd memory, but without byteswapping.
1468 */
1469static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg,
1470 u32 value)
1471{
1472 BUG_ON(vmw_is_svga_v3(vmw));
1473 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value);
1474}
1475
1476static inline u32 vmw_fence_read(struct vmw_private *dev_priv)
1477{
1478 u32 fence;
1479 if (vmw_is_svga_v3(dev_priv))
1480 fence = vmw_read(dev_priv, SVGA_REG_FENCE);
1481 else
1482 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE);
1483 return fence;
1484}
1485
1486static inline void vmw_fence_write(struct vmw_private *dev_priv,
1487 u32 fence)
1488{
1489 BUG_ON(vmw_is_svga_v3(dev_priv));
1490 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence);
1491}
1492
1493static inline u32 vmw_irq_status_read(struct vmw_private *vmw)
1494{
1495 u32 status;
1496 if (vmw_is_svga_v3(vmw))
1497 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS);
1498 else
1499 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT);
1500 return status;
1501}
1502
1503static inline void vmw_irq_status_write(struct vmw_private *vmw,
1504 uint32 status)
1505{
1506 if (vmw_is_svga_v3(vmw))
1507 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status);
1508 else
1509 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT);
1510}
1511
1512static inline bool vmw_has_fences(struct vmw_private *vmw)
1513{
1514 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
1515 SVGA_CAP_CMD_BUFFERS_2)) != 0)
1516 return true;
1517 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0;
1518}
1519
1520static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model,
1521 u32 shader_type)
1522{
1523 SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX;
1524
1525 if (shader_model >= VMW_SM_5)
1526 max_allowed = SVGA3D_SHADERTYPE_MAX;
1527 else if (shader_model >= VMW_SM_4)
1528 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX;
1529 return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed;
1530}
1531
1532#endif