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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 2009-2022 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_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 "20211206"
58#define VMWGFX_DRIVER_MAJOR 2
59#define VMWGFX_DRIVER_MINOR 20
60#define VMWGFX_DRIVER_PATCHLEVEL 0
61#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
62#define VMWGFX_MAX_DISPLAYS 16
63#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
64
65#define VMWGFX_MIN_INITIAL_WIDTH 1280
66#define VMWGFX_MIN_INITIAL_HEIGHT 800
67
68#define VMWGFX_PCI_ID_SVGA2 0x0405
69#define VMWGFX_PCI_ID_SVGA3 0x0406
70
71/*
72 * This has to match get_count_order(SVGA_IRQFLAG_MAX)
73 */
74#define VMWGFX_MAX_NUM_IRQS 6
75
76/*
77 * Perhaps we should have sysfs entries for these.
78 */
79#define VMWGFX_NUM_GB_CONTEXT 256
80#define VMWGFX_NUM_GB_SHADER 20000
81#define VMWGFX_NUM_GB_SURFACE 32768
82#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
83#define VMWGFX_NUM_DXCONTEXT 256
84#define VMWGFX_NUM_DXQUERY 512
85#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
86 VMWGFX_NUM_GB_SHADER +\
87 VMWGFX_NUM_GB_SURFACE +\
88 VMWGFX_NUM_GB_SCREEN_TARGET)
89
90#define VMW_PL_GMR (TTM_PL_PRIV + 0)
91#define VMW_PL_MOB (TTM_PL_PRIV + 1)
92#define VMW_PL_SYSTEM (TTM_PL_PRIV + 2)
93
94#define VMW_RES_CONTEXT ttm_driver_type0
95#define VMW_RES_SURFACE ttm_driver_type1
96#define VMW_RES_STREAM ttm_driver_type2
97#define VMW_RES_FENCE ttm_driver_type3
98#define VMW_RES_SHADER ttm_driver_type4
99#define VMW_RES_HT_ORDER 12
100
101#define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8
102#define VMW_CURSOR_SNOOP_WIDTH 64
103#define VMW_CURSOR_SNOOP_HEIGHT 64
104
105#define MKSSTAT_CAPACITY_LOG2 5U
106#define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2)
107
108struct vmw_fpriv {
109 struct ttm_object_file *tfile;
110 bool gb_aware; /* user-space is guest-backed aware */
111};
112
113struct vmwgfx_hash_item {
114 struct hlist_node head;
115 unsigned long key;
116};
117
118/**
119 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions
120 * @base: The TTM buffer object
121 * @res_tree: RB tree of resources using this buffer object as a backing MOB
122 * @base_mapped_count: ttm BO mapping count; used by KMS atomic helpers.
123 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when
124 * increased. May be decreased without reservation.
125 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
126 * @map: Kmap object for semi-persistent mappings
127 * @res_prios: Eviction priority counts for attached resources
128 * @dirty: structure for user-space dirty-tracking
129 */
130struct vmw_buffer_object {
131 struct ttm_buffer_object base;
132 struct rb_root res_tree;
133 /* For KMS atomic helpers: ttm bo mapping count */
134 atomic_t base_mapped_count;
135
136 atomic_t cpu_writers;
137 /* Not ref-counted. Protected by binding_mutex */
138 struct vmw_resource *dx_query_ctx;
139 /* Protected by reservation */
140 struct ttm_bo_kmap_obj map;
141 u32 res_prios[TTM_MAX_BO_PRIORITY];
142 struct vmw_bo_dirty *dirty;
143};
144
145/**
146 * struct vmw_validate_buffer - Carries validation info about buffers.
147 *
148 * @base: Validation info for TTM.
149 * @hash: Hash entry for quick lookup of the TTM buffer object.
150 *
151 * This structure contains also driver private validation info
152 * on top of the info needed by TTM.
153 */
154struct vmw_validate_buffer {
155 struct ttm_validate_buffer base;
156 struct vmwgfx_hash_item hash;
157 bool validate_as_mob;
158};
159
160struct vmw_res_func;
161
162
163/**
164 * struct vmw-resource - base class for hardware resources
165 *
166 * @kref: For refcounting.
167 * @dev_priv: Pointer to the device private for this resource. Immutable.
168 * @id: Device id. Protected by @dev_priv::resource_lock.
169 * @backup_size: Backup buffer size. Immutable.
170 * @res_dirty: Resource contains data not yet in the backup buffer. Protected
171 * by resource reserved.
172 * @backup_dirty: Backup buffer contains data not yet in the HW resource.
173 * Protected by resource reserved.
174 * @coherent: Emulate coherency by tracking vm accesses.
175 * @backup: The backup buffer if any. Protected by resource reserved.
176 * @backup_offset: Offset into the backup buffer if any. Protected by resource
177 * reserved. Note that only a few resource types can have a @backup_offset
178 * different from zero.
179 * @pin_count: The pin count for this resource. A pinned resource has a
180 * pin-count greater than zero. It is not on the resource LRU lists and its
181 * backup buffer is pinned. Hence it can't be evicted.
182 * @func: Method vtable for this resource. Immutable.
183 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved.
184 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
185 * @binding_head: List head for the context binding list. Protected by
186 * the @dev_priv::binding_mutex
187 * @res_free: The resource destructor.
188 * @hw_destroy: Callback to destroy the resource on the device, as part of
189 * resource destruction.
190 */
191struct vmw_resource_dirty;
192struct vmw_resource {
193 struct kref kref;
194 struct vmw_private *dev_priv;
195 int id;
196 u32 used_prio;
197 unsigned long backup_size;
198 u32 res_dirty : 1;
199 u32 backup_dirty : 1;
200 u32 coherent : 1;
201 struct vmw_buffer_object *backup;
202 unsigned long backup_offset;
203 unsigned long pin_count;
204 const struct vmw_res_func *func;
205 struct rb_node mob_node;
206 struct list_head lru_head;
207 struct list_head binding_head;
208 struct vmw_resource_dirty *dirty;
209 void (*res_free) (struct vmw_resource *res);
210 void (*hw_destroy) (struct vmw_resource *res);
211};
212
213
214/*
215 * Resources that are managed using ioctls.
216 */
217enum vmw_res_type {
218 vmw_res_context,
219 vmw_res_surface,
220 vmw_res_stream,
221 vmw_res_shader,
222 vmw_res_dx_context,
223 vmw_res_cotable,
224 vmw_res_view,
225 vmw_res_streamoutput,
226 vmw_res_max
227};
228
229/*
230 * Resources that are managed using command streams.
231 */
232enum vmw_cmdbuf_res_type {
233 vmw_cmdbuf_res_shader,
234 vmw_cmdbuf_res_view,
235 vmw_cmdbuf_res_streamoutput
236};
237
238struct vmw_cmdbuf_res_manager;
239
240struct vmw_cursor_snooper {
241 size_t age;
242 uint32_t *image;
243};
244
245struct vmw_framebuffer;
246struct vmw_surface_offset;
247
248/**
249 * struct vmw_surface_metadata - Metadata describing a surface.
250 *
251 * @flags: Device flags.
252 * @format: Surface SVGA3D_x format.
253 * @mip_levels: Mip level for each face. For GB first index is used only.
254 * @multisample_count: Sample count.
255 * @multisample_pattern: Sample patterns.
256 * @quality_level: Quality level.
257 * @autogen_filter: Filter for automatically generated mipmaps.
258 * @array_size: Number of array elements for a 1D/2D texture. For cubemap
259 texture number of faces * array_size. This should be 0 for pre
260 SM4 device.
261 * @buffer_byte_stride: Buffer byte stride.
262 * @num_sizes: Size of @sizes. For GB surface this should always be 1.
263 * @base_size: Surface dimension.
264 * @sizes: Array representing mip sizes. Legacy only.
265 * @scanout: Whether this surface will be used for scanout.
266 *
267 * This tracks metadata for both legacy and guest backed surface.
268 */
269struct vmw_surface_metadata {
270 u64 flags;
271 u32 format;
272 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
273 u32 multisample_count;
274 u32 multisample_pattern;
275 u32 quality_level;
276 u32 autogen_filter;
277 u32 array_size;
278 u32 num_sizes;
279 u32 buffer_byte_stride;
280 struct drm_vmw_size base_size;
281 struct drm_vmw_size *sizes;
282 bool scanout;
283};
284
285/**
286 * struct vmw_surface: Resource structure for a surface.
287 *
288 * @res: The base resource for this surface.
289 * @metadata: Metadata for this surface resource.
290 * @snooper: Cursor data. Legacy surface only.
291 * @offsets: Legacy surface only.
292 * @view_list: List of views bound to this surface.
293 */
294struct vmw_surface {
295 struct vmw_resource res;
296 struct vmw_surface_metadata metadata;
297 struct vmw_cursor_snooper snooper;
298 struct vmw_surface_offset *offsets;
299 struct list_head view_list;
300};
301
302struct vmw_fifo_state {
303 unsigned long reserved_size;
304 u32 *dynamic_buffer;
305 u32 *static_buffer;
306 unsigned long static_buffer_size;
307 bool using_bounce_buffer;
308 uint32_t capabilities;
309 struct mutex fifo_mutex;
310 struct rw_semaphore rwsem;
311};
312
313/**
314 * struct vmw_res_cache_entry - resource information cache entry
315 * @handle: User-space handle of a resource.
316 * @res: Non-ref-counted pointer to the resource.
317 * @valid_handle: Whether the @handle member is valid.
318 * @valid: Whether the entry is valid, which also implies that the execbuf
319 * code holds a reference to the resource, and it's placed on the
320 * validation list.
321 *
322 * Used to avoid frequent repeated user-space handle lookups of the
323 * same resource.
324 */
325struct vmw_res_cache_entry {
326 uint32_t handle;
327 struct vmw_resource *res;
328 void *private;
329 unsigned short valid_handle;
330 unsigned short valid;
331};
332
333/**
334 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
335 */
336enum vmw_dma_map_mode {
337 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
338 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
339 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
340 vmw_dma_map_max
341};
342
343/**
344 * struct vmw_sg_table - Scatter/gather table for binding, with additional
345 * device-specific information.
346 *
347 * @sgt: Pointer to a struct sg_table with binding information
348 * @num_regions: Number of regions with device-address contiguous pages
349 */
350struct vmw_sg_table {
351 enum vmw_dma_map_mode mode;
352 struct page **pages;
353 const dma_addr_t *addrs;
354 struct sg_table *sgt;
355 unsigned long num_pages;
356};
357
358/**
359 * struct vmw_piter - Page iterator that iterates over a list of pages
360 * and DMA addresses that could be either a scatter-gather list or
361 * arrays
362 *
363 * @pages: Array of page pointers to the pages.
364 * @addrs: DMA addresses to the pages if coherent pages are used.
365 * @iter: Scatter-gather page iterator. Current position in SG list.
366 * @i: Current position in arrays.
367 * @num_pages: Number of pages total.
368 * @next: Function to advance the iterator. Returns false if past the list
369 * of pages, true otherwise.
370 * @dma_address: Function to return the DMA address of the current page.
371 */
372struct vmw_piter {
373 struct page **pages;
374 const dma_addr_t *addrs;
375 struct sg_dma_page_iter iter;
376 unsigned long i;
377 unsigned long num_pages;
378 bool (*next)(struct vmw_piter *);
379 dma_addr_t (*dma_address)(struct vmw_piter *);
380};
381
382
383struct vmw_ttm_tt {
384 struct ttm_tt dma_ttm;
385 struct vmw_private *dev_priv;
386 int gmr_id;
387 struct vmw_mob *mob;
388 int mem_type;
389 struct sg_table sgt;
390 struct vmw_sg_table vsgt;
391 bool mapped;
392 bool bound;
393};
394
395/*
396 * enum vmw_display_unit_type - Describes the display unit
397 */
398enum vmw_display_unit_type {
399 vmw_du_invalid = 0,
400 vmw_du_legacy,
401 vmw_du_screen_object,
402 vmw_du_screen_target,
403 vmw_du_max
404};
405
406struct vmw_validation_context;
407struct vmw_ctx_validation_info;
408
409/**
410 * struct vmw_sw_context - Command submission context
411 * @res_ht: Pointer hash table used to find validation duplicates
412 * @kernel: Whether the command buffer originates from kernel code rather
413 * than from user-space
414 * @fp: If @kernel is false, points to the file of the client. Otherwise
415 * NULL
416 * @cmd_bounce: Command bounce buffer used for command validation before
417 * copying to fifo space
418 * @cmd_bounce_size: Current command bounce buffer size
419 * @cur_query_bo: Current buffer object used as query result buffer
420 * @bo_relocations: List of buffer object relocations
421 * @res_relocations: List of resource relocations
422 * @buf_start: Pointer to start of memory where command validation takes
423 * place
424 * @res_cache: Cache of recently looked up resources
425 * @last_query_ctx: Last context that submitted a query
426 * @needs_post_query_barrier: Whether a query barrier is needed after
427 * command submission
428 * @staged_bindings: Cached per-context binding tracker
429 * @staged_bindings_inuse: Whether the cached per-context binding tracker
430 * is in use
431 * @staged_cmd_res: List of staged command buffer managed resources in this
432 * command buffer
433 * @ctx_list: List of context resources referenced in this command buffer
434 * @dx_ctx_node: Validation metadata of the current DX context
435 * @dx_query_mob: The MOB used for DX queries
436 * @dx_query_ctx: The DX context used for the last DX query
437 * @man: Pointer to the command buffer managed resource manager
438 * @ctx: The validation context
439 */
440struct vmw_sw_context{
441 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER);
442 bool kernel;
443 struct vmw_fpriv *fp;
444 struct drm_file *filp;
445 uint32_t *cmd_bounce;
446 uint32_t cmd_bounce_size;
447 struct vmw_buffer_object *cur_query_bo;
448 struct list_head bo_relocations;
449 struct list_head res_relocations;
450 uint32_t *buf_start;
451 struct vmw_res_cache_entry res_cache[vmw_res_max];
452 struct vmw_resource *last_query_ctx;
453 bool needs_post_query_barrier;
454 struct vmw_ctx_binding_state *staged_bindings;
455 bool staged_bindings_inuse;
456 struct list_head staged_cmd_res;
457 struct list_head ctx_list;
458 struct vmw_ctx_validation_info *dx_ctx_node;
459 struct vmw_buffer_object *dx_query_mob;
460 struct vmw_resource *dx_query_ctx;
461 struct vmw_cmdbuf_res_manager *man;
462 struct vmw_validation_context *ctx;
463};
464
465struct vmw_legacy_display;
466struct vmw_overlay;
467
468struct vmw_vga_topology_state {
469 uint32_t width;
470 uint32_t height;
471 uint32_t primary;
472 uint32_t pos_x;
473 uint32_t pos_y;
474};
475
476
477/*
478 * struct vmw_otable - Guest Memory OBject table metadata
479 *
480 * @size: Size of the table (page-aligned).
481 * @page_table: Pointer to a struct vmw_mob holding the page table.
482 */
483struct vmw_otable {
484 unsigned long size;
485 struct vmw_mob *page_table;
486 bool enabled;
487};
488
489struct vmw_otable_batch {
490 unsigned num_otables;
491 struct vmw_otable *otables;
492 struct vmw_resource *context;
493 struct ttm_buffer_object *otable_bo;
494};
495
496enum {
497 VMW_IRQTHREAD_FENCE,
498 VMW_IRQTHREAD_CMDBUF,
499 VMW_IRQTHREAD_MAX
500};
501
502/**
503 * enum vmw_sm_type - Graphics context capability supported by device.
504 * @VMW_SM_LEGACY: Pre DX context.
505 * @VMW_SM_4: Context support upto SM4.
506 * @VMW_SM_4_1: Context support upto SM4_1.
507 * @VMW_SM_5: Context support up to SM5.
508 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions.
509 * @VMW_SM_MAX: Should be the last.
510 */
511enum vmw_sm_type {
512 VMW_SM_LEGACY = 0,
513 VMW_SM_4,
514 VMW_SM_4_1,
515 VMW_SM_5,
516 VMW_SM_5_1X,
517 VMW_SM_MAX
518};
519
520struct vmw_private {
521 struct drm_device drm;
522 struct ttm_device bdev;
523
524 struct drm_vma_offset_manager vma_manager;
525 u32 pci_id;
526 resource_size_t io_start;
527 resource_size_t vram_start;
528 resource_size_t vram_size;
529 resource_size_t max_primary_mem;
530 u32 __iomem *rmmio;
531 u32 *fifo_mem;
532 resource_size_t fifo_mem_size;
533 uint32_t fb_max_width;
534 uint32_t fb_max_height;
535 uint32_t texture_max_width;
536 uint32_t texture_max_height;
537 uint32_t stdu_max_width;
538 uint32_t stdu_max_height;
539 uint32_t initial_width;
540 uint32_t initial_height;
541 uint32_t capabilities;
542 uint32_t capabilities2;
543 uint32_t max_gmr_ids;
544 uint32_t max_gmr_pages;
545 uint32_t max_mob_pages;
546 uint32_t max_mob_size;
547 uint32_t memory_size;
548 bool has_gmr;
549 bool has_mob;
550 spinlock_t hw_lock;
551 bool assume_16bpp;
552 u32 irqs[VMWGFX_MAX_NUM_IRQS];
553 u32 num_irq_vectors;
554
555 enum vmw_sm_type sm_type;
556
557 /*
558 * Framebuffer info.
559 */
560
561 enum vmw_display_unit_type active_display_unit;
562 struct vmw_legacy_display *ldu_priv;
563 struct vmw_overlay *overlay_priv;
564 struct drm_property *hotplug_mode_update_property;
565 struct drm_property *implicit_placement_property;
566 spinlock_t cursor_lock;
567 struct drm_atomic_state *suspend_state;
568
569 /*
570 * Context and surface management.
571 */
572
573 spinlock_t resource_lock;
574 struct idr res_idr[vmw_res_max];
575
576 /*
577 * A resource manager for kernel-only surfaces and
578 * contexts.
579 */
580
581 struct ttm_object_device *tdev;
582
583 /*
584 * Fencing and IRQs.
585 */
586
587 atomic_t marker_seq;
588 wait_queue_head_t fence_queue;
589 wait_queue_head_t fifo_queue;
590 spinlock_t waiter_lock;
591 int fence_queue_waiters; /* Protected by waiter_lock */
592 int goal_queue_waiters; /* Protected by waiter_lock */
593 int cmdbuf_waiters; /* Protected by waiter_lock */
594 int error_waiters; /* Protected by waiter_lock */
595 int fifo_queue_waiters; /* Protected by waiter_lock */
596 uint32_t last_read_seqno;
597 struct vmw_fence_manager *fman;
598 uint32_t irq_mask; /* Updates protected by waiter_lock */
599
600 /*
601 * Device state
602 */
603
604 uint32_t traces_state;
605 uint32_t enable_state;
606 uint32_t config_done_state;
607
608 /**
609 * Execbuf
610 */
611 /**
612 * Protected by the cmdbuf mutex.
613 */
614
615 struct vmw_sw_context ctx;
616 struct mutex cmdbuf_mutex;
617 struct mutex binding_mutex;
618
619 /**
620 * PM management.
621 */
622 struct notifier_block pm_nb;
623 bool refuse_hibernation;
624 bool suspend_locked;
625
626 atomic_t num_fifo_resources;
627
628 /*
629 * Query processing. These members
630 * are protected by the cmdbuf mutex.
631 */
632
633 struct vmw_buffer_object *dummy_query_bo;
634 struct vmw_buffer_object *pinned_bo;
635 uint32_t query_cid;
636 uint32_t query_cid_valid;
637 bool dummy_query_bo_pinned;
638
639 /*
640 * Surface swapping. The "surface_lru" list is protected by the
641 * resource lock in order to be able to destroy a surface and take
642 * it off the lru atomically. "used_memory_size" is currently
643 * protected by the cmdbuf mutex for simplicity.
644 */
645
646 struct list_head res_lru[vmw_res_max];
647 uint32_t used_memory_size;
648
649 /*
650 * DMA mapping stuff.
651 */
652 enum vmw_dma_map_mode map_mode;
653
654 /*
655 * Guest Backed stuff
656 */
657 struct vmw_otable_batch otable_batch;
658
659 struct vmw_fifo_state *fifo;
660 struct vmw_cmdbuf_man *cman;
661 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
662
663 uint32 *devcaps;
664
665 /*
666 * mksGuestStat instance-descriptor and pid arrays
667 */
668 struct page *mksstat_user_pages[MKSSTAT_CAPACITY];
669 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY];
670
671#if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS)
672 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY];
673 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY];
674 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY];
675#endif
676};
677
678static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj)
679{
680 return container_of((gobj), struct vmw_buffer_object, base.base);
681}
682
683static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
684{
685 return container_of(res, struct vmw_surface, res);
686}
687
688static inline struct vmw_private *vmw_priv(struct drm_device *dev)
689{
690 return (struct vmw_private *)dev->dev_private;
691}
692
693static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
694{
695 return (struct vmw_fpriv *)file_priv->driver_priv;
696}
697
698/*
699 * SVGA v3 has mmio register access and lacks fifo cmds
700 */
701static inline bool vmw_is_svga_v3(const struct vmw_private *dev)
702{
703 return dev->pci_id == VMWGFX_PCI_ID_SVGA3;
704}
705
706/*
707 * The locking here is fine-grained, so that it is performed once
708 * for every read- and write operation. This is of course costly, but we
709 * don't perform much register access in the timing critical paths anyway.
710 * Instead we have the extra benefit of being sure that we don't forget
711 * the hw lock around register accesses.
712 */
713static inline void vmw_write(struct vmw_private *dev_priv,
714 unsigned int offset, uint32_t value)
715{
716 if (vmw_is_svga_v3(dev_priv)) {
717 iowrite32(value, dev_priv->rmmio + offset);
718 } else {
719 spin_lock(&dev_priv->hw_lock);
720 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
721 outl(value, dev_priv->io_start + SVGA_VALUE_PORT);
722 spin_unlock(&dev_priv->hw_lock);
723 }
724}
725
726static inline uint32_t vmw_read(struct vmw_private *dev_priv,
727 unsigned int offset)
728{
729 u32 val;
730
731 if (vmw_is_svga_v3(dev_priv)) {
732 val = ioread32(dev_priv->rmmio + offset);
733 } else {
734 spin_lock(&dev_priv->hw_lock);
735 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
736 val = inl(dev_priv->io_start + SVGA_VALUE_PORT);
737 spin_unlock(&dev_priv->hw_lock);
738 }
739
740 return val;
741}
742
743/**
744 * has_sm4_context - Does the device support SM4 context.
745 * @dev_priv: Device private.
746 *
747 * Return: Bool value if device support SM4 context or not.
748 */
749static inline bool has_sm4_context(const struct vmw_private *dev_priv)
750{
751 return (dev_priv->sm_type >= VMW_SM_4);
752}
753
754/**
755 * has_sm4_1_context - Does the device support SM4_1 context.
756 * @dev_priv: Device private.
757 *
758 * Return: Bool value if device support SM4_1 context or not.
759 */
760static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
761{
762 return (dev_priv->sm_type >= VMW_SM_4_1);
763}
764
765/**
766 * has_sm5_context - Does the device support SM5 context.
767 * @dev_priv: Device private.
768 *
769 * Return: Bool value if device support SM5 context or not.
770 */
771static inline bool has_sm5_context(const struct vmw_private *dev_priv)
772{
773 return (dev_priv->sm_type >= VMW_SM_5);
774}
775
776/**
777 * has_gl43_context - Does the device support GL43 context.
778 * @dev_priv: Device private.
779 *
780 * Return: Bool value if device support SM5 context or not.
781 */
782static inline bool has_gl43_context(const struct vmw_private *dev_priv)
783{
784 return (dev_priv->sm_type >= VMW_SM_5_1X);
785}
786
787
788static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv)
789{
790 return (has_gl43_context(dev_priv) ?
791 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS);
792}
793
794extern void vmw_svga_enable(struct vmw_private *dev_priv);
795extern void vmw_svga_disable(struct vmw_private *dev_priv);
796
797
798/**
799 * GMR utilities - vmwgfx_gmr.c
800 */
801
802extern int vmw_gmr_bind(struct vmw_private *dev_priv,
803 const struct vmw_sg_table *vsgt,
804 unsigned long num_pages,
805 int gmr_id);
806extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
807
808/**
809 * Resource utilities - vmwgfx_resource.c
810 */
811struct vmw_user_resource_conv;
812
813extern void vmw_resource_unreference(struct vmw_resource **p_res);
814extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
815extern struct vmw_resource *
816vmw_resource_reference_unless_doomed(struct vmw_resource *res);
817extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
818 bool dirtying);
819extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
820 bool no_backup);
821extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
822extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
823 struct drm_file *filp,
824 uint32_t handle,
825 struct vmw_surface **out_surf,
826 struct vmw_buffer_object **out_buf);
827extern int vmw_user_resource_lookup_handle(
828 struct vmw_private *dev_priv,
829 struct ttm_object_file *tfile,
830 uint32_t handle,
831 const struct vmw_user_resource_conv *converter,
832 struct vmw_resource **p_res);
833
834extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
835 struct drm_file *file_priv);
836extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
837 struct drm_file *file_priv);
838extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
839 struct ttm_object_file *tfile,
840 uint32_t *inout_id,
841 struct vmw_resource **out);
842extern void vmw_resource_unreserve(struct vmw_resource *res,
843 bool dirty_set,
844 bool dirty,
845 bool switch_backup,
846 struct vmw_buffer_object *new_backup,
847 unsigned long new_backup_offset);
848extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
849 struct ttm_resource *old_mem,
850 struct ttm_resource *new_mem);
851extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob);
852extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
853extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo);
854void vmw_resource_mob_attach(struct vmw_resource *res);
855void vmw_resource_mob_detach(struct vmw_resource *res);
856void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
857 pgoff_t end);
858int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start,
859 pgoff_t end, pgoff_t *num_prefault);
860
861/**
862 * vmw_resource_mob_attached - Whether a resource currently has a mob attached
863 * @res: The resource
864 *
865 * Return: true if the resource has a mob attached, false otherwise.
866 */
867static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
868{
869 return !RB_EMPTY_NODE(&res->mob_node);
870}
871
872/**
873 * Buffer object helper functions - vmwgfx_bo.c
874 */
875extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv,
876 struct vmw_buffer_object *bo,
877 struct ttm_placement *placement,
878 bool interruptible);
879extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv,
880 struct vmw_buffer_object *buf,
881 bool interruptible);
882extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
883 struct vmw_buffer_object *buf,
884 bool interruptible);
885extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv,
886 struct vmw_buffer_object *bo,
887 bool interruptible);
888extern int vmw_bo_unpin(struct vmw_private *vmw_priv,
889 struct vmw_buffer_object *bo,
890 bool interruptible);
891extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
892 SVGAGuestPtr *ptr);
893extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
894extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
895extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
896 unsigned long size,
897 struct ttm_placement *placement,
898 struct ttm_buffer_object **p_bo);
899extern int vmw_bo_create(struct vmw_private *dev_priv,
900 size_t size, struct ttm_placement *placement,
901 bool interruptible, bool pin,
902 void (*bo_free)(struct ttm_buffer_object *bo),
903 struct vmw_buffer_object **p_bo);
904extern int vmw_bo_init(struct vmw_private *dev_priv,
905 struct vmw_buffer_object *vmw_bo,
906 size_t size, struct ttm_placement *placement,
907 bool interruptible, bool pin,
908 void (*bo_free)(struct ttm_buffer_object *bo));
909extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data,
910 struct drm_file *file_priv);
911extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data,
912 struct drm_file *file_priv);
913extern int vmw_user_bo_lookup(struct drm_file *filp,
914 uint32_t handle,
915 struct vmw_buffer_object **out);
916extern void vmw_bo_fence_single(struct ttm_buffer_object *bo,
917 struct vmw_fence_obj *fence);
918extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo);
919extern void vmw_bo_unmap(struct vmw_buffer_object *vbo);
920extern void vmw_bo_move_notify(struct ttm_buffer_object *bo,
921 struct ttm_resource *mem);
922extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo);
923
924/**
925 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority
926 * according to attached resources
927 * @vbo: The struct vmw_buffer_object
928 */
929static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo)
930{
931 int i = ARRAY_SIZE(vbo->res_prios);
932
933 while (i--) {
934 if (vbo->res_prios[i]) {
935 vbo->base.priority = i;
936 return;
937 }
938 }
939
940 vbo->base.priority = 3;
941}
942
943/**
944 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource
945 * eviction priority
946 * @vbo: The struct vmw_buffer_object
947 * @prio: The resource priority
948 *
949 * After being notified, the code assigns the highest resource eviction priority
950 * to the backing buffer object (mob).
951 */
952static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio)
953{
954 if (vbo->res_prios[prio]++ == 0)
955 vmw_bo_prio_adjust(vbo);
956}
957
958/**
959 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain
960 * priority being removed
961 * @vbo: The struct vmw_buffer_object
962 * @prio: The resource priority
963 *
964 * After being notified, the code assigns the highest resource eviction priority
965 * to the backing buffer object (mob).
966 */
967static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio)
968{
969 if (--vbo->res_prios[prio] == 0)
970 vmw_bo_prio_adjust(vbo);
971}
972
973/**
974 * GEM related functionality - vmwgfx_gem.c
975 */
976extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv,
977 struct drm_file *filp,
978 uint32_t size,
979 uint32_t *handle,
980 struct vmw_buffer_object **p_vbo);
981extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
982 struct drm_file *filp);
983extern void vmw_gem_destroy(struct ttm_buffer_object *bo);
984extern void vmw_debugfs_gem_init(struct vmw_private *vdev);
985
986/**
987 * Misc Ioctl functionality - vmwgfx_ioctl.c
988 */
989
990extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
991 struct drm_file *file_priv);
992extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
993 struct drm_file *file_priv);
994extern int vmw_present_ioctl(struct drm_device *dev, void *data,
995 struct drm_file *file_priv);
996extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
997 struct drm_file *file_priv);
998
999/**
1000 * Fifo utilities - vmwgfx_fifo.c
1001 */
1002
1003extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
1004extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
1005extern bool vmw_cmd_supported(struct vmw_private *vmw);
1006extern void *
1007vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
1008extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
1009extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
1010extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
1011extern bool vmw_supports_3d(struct vmw_private *dev_priv);
1012extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
1013extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
1014extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
1015 uint32_t cid);
1016extern int vmw_cmd_flush(struct vmw_private *dev_priv,
1017 bool interruptible);
1018
1019#define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \
1020({ \
1021 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \
1022 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \
1023 __func__, (unsigned int) __bytes); \
1024 NULL; \
1025 }); \
1026})
1027
1028#define VMW_CMD_RESERVE(__priv, __bytes) \
1029 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID)
1030
1031
1032/**
1033 * vmw_fifo_caps - Returns the capabilities of the FIFO command
1034 * queue or 0 if fifo memory isn't present.
1035 * @dev_priv: The device private context
1036 */
1037static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv)
1038{
1039 if (!dev_priv->fifo_mem || !dev_priv->fifo)
1040 return 0;
1041 return dev_priv->fifo->capabilities;
1042}
1043
1044
1045/**
1046 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3
1047 * is enabled in the FIFO.
1048 * @dev_priv: The device private context
1049 */
1050static inline bool
1051vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
1052{
1053 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0;
1054}
1055
1056/**
1057 * TTM glue - vmwgfx_ttm_glue.c
1058 */
1059
1060extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
1061
1062/**
1063 * TTM buffer object driver - vmwgfx_ttm_buffer.c
1064 */
1065
1066extern const size_t vmw_tt_size;
1067extern struct ttm_placement vmw_vram_placement;
1068extern struct ttm_placement vmw_vram_sys_placement;
1069extern struct ttm_placement vmw_vram_gmr_placement;
1070extern struct ttm_placement vmw_sys_placement;
1071extern struct ttm_placement vmw_srf_placement;
1072extern struct ttm_placement vmw_mob_placement;
1073extern struct ttm_placement vmw_nonfixed_placement;
1074extern struct ttm_device_funcs vmw_bo_driver;
1075extern const struct vmw_sg_table *
1076vmw_bo_sg_table(struct ttm_buffer_object *bo);
1077extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
1078 unsigned long bo_size,
1079 struct ttm_buffer_object **bo_p);
1080
1081extern void vmw_piter_start(struct vmw_piter *viter,
1082 const struct vmw_sg_table *vsgt,
1083 unsigned long p_offs);
1084
1085/**
1086 * vmw_piter_next - Advance the iterator one page.
1087 *
1088 * @viter: Pointer to the iterator to advance.
1089 *
1090 * Returns false if past the list of pages, true otherwise.
1091 */
1092static inline bool vmw_piter_next(struct vmw_piter *viter)
1093{
1094 return viter->next(viter);
1095}
1096
1097/**
1098 * vmw_piter_dma_addr - Return the DMA address of the current page.
1099 *
1100 * @viter: Pointer to the iterator
1101 *
1102 * Returns the DMA address of the page pointed to by @viter.
1103 */
1104static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
1105{
1106 return viter->dma_address(viter);
1107}
1108
1109/**
1110 * vmw_piter_page - Return a pointer to the current page.
1111 *
1112 * @viter: Pointer to the iterator
1113 *
1114 * Returns the DMA address of the page pointed to by @viter.
1115 */
1116static inline struct page *vmw_piter_page(struct vmw_piter *viter)
1117{
1118 return viter->pages[viter->i];
1119}
1120
1121/**
1122 * Command submission - vmwgfx_execbuf.c
1123 */
1124
1125extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
1126 struct drm_file *file_priv);
1127extern int vmw_execbuf_process(struct drm_file *file_priv,
1128 struct vmw_private *dev_priv,
1129 void __user *user_commands,
1130 void *kernel_commands,
1131 uint32_t command_size,
1132 uint64_t throttle_us,
1133 uint32_t dx_context_handle,
1134 struct drm_vmw_fence_rep __user
1135 *user_fence_rep,
1136 struct vmw_fence_obj **out_fence,
1137 uint32_t flags);
1138extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
1139 struct vmw_fence_obj *fence);
1140extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
1141
1142extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
1143 struct vmw_private *dev_priv,
1144 struct vmw_fence_obj **p_fence,
1145 uint32_t *p_handle);
1146extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
1147 struct vmw_fpriv *vmw_fp,
1148 int ret,
1149 struct drm_vmw_fence_rep __user
1150 *user_fence_rep,
1151 struct vmw_fence_obj *fence,
1152 uint32_t fence_handle,
1153 int32_t out_fence_fd);
1154bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
1155
1156/**
1157 * IRQs and wating - vmwgfx_irq.c
1158 */
1159
1160extern int vmw_irq_install(struct vmw_private *dev_priv);
1161extern void vmw_irq_uninstall(struct drm_device *dev);
1162extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1163 uint32_t seqno);
1164extern int vmw_fallback_wait(struct vmw_private *dev_priv,
1165 bool lazy,
1166 bool fifo_idle,
1167 uint32_t seqno,
1168 bool interruptible,
1169 unsigned long timeout);
1170extern void vmw_update_seqno(struct vmw_private *dev_priv);
1171extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1172extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1173extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
1174extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1175extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1176 int *waiter_count);
1177extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
1178 u32 flag, int *waiter_count);
1179
1180/**
1181 * Kernel modesetting - vmwgfx_kms.c
1182 */
1183
1184int vmw_kms_init(struct vmw_private *dev_priv);
1185int vmw_kms_close(struct vmw_private *dev_priv);
1186int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1187 struct drm_file *file_priv);
1188void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
1189void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1190 struct ttm_object_file *tfile,
1191 struct ttm_buffer_object *bo,
1192 SVGA3dCmdHeader *header);
1193int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1194 unsigned width, unsigned height, unsigned pitch,
1195 unsigned bpp, unsigned depth);
1196bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1197 uint32_t pitch,
1198 uint32_t height);
1199int vmw_kms_present(struct vmw_private *dev_priv,
1200 struct drm_file *file_priv,
1201 struct vmw_framebuffer *vfb,
1202 struct vmw_surface *surface,
1203 uint32_t sid, int32_t destX, int32_t destY,
1204 struct drm_vmw_rect *clips,
1205 uint32_t num_clips);
1206int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1207 struct drm_file *file_priv);
1208void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
1209int vmw_kms_suspend(struct drm_device *dev);
1210int vmw_kms_resume(struct drm_device *dev);
1211void vmw_kms_lost_device(struct drm_device *dev);
1212
1213int vmw_dumb_create(struct drm_file *file_priv,
1214 struct drm_device *dev,
1215 struct drm_mode_create_dumb *args);
1216extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1217extern void vmw_resource_unpin(struct vmw_resource *res);
1218extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1219
1220/**
1221 * Overlay control - vmwgfx_overlay.c
1222 */
1223
1224int vmw_overlay_init(struct vmw_private *dev_priv);
1225int vmw_overlay_close(struct vmw_private *dev_priv);
1226int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1227 struct drm_file *file_priv);
1228int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1229int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1230int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1231int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1232int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1233int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1234
1235/**
1236 * GMR Id manager
1237 */
1238
1239int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
1240void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
1241
1242/**
1243 * System memory manager
1244 */
1245int vmw_sys_man_init(struct vmw_private *dev_priv);
1246void vmw_sys_man_fini(struct vmw_private *dev_priv);
1247
1248/**
1249 * Prime - vmwgfx_prime.c
1250 */
1251
1252extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1253extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1254 struct drm_file *file_priv,
1255 int fd, u32 *handle);
1256extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1257 struct drm_file *file_priv,
1258 uint32_t handle, uint32_t flags,
1259 int *prime_fd);
1260
1261/*
1262 * MemoryOBject management - vmwgfx_mob.c
1263 */
1264struct vmw_mob;
1265extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1266 const struct vmw_sg_table *vsgt,
1267 unsigned long num_data_pages, int32_t mob_id);
1268extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1269 struct vmw_mob *mob);
1270extern void vmw_mob_destroy(struct vmw_mob *mob);
1271extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1272extern int vmw_otables_setup(struct vmw_private *dev_priv);
1273extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1274
1275/*
1276 * Context management - vmwgfx_context.c
1277 */
1278
1279extern const struct vmw_user_resource_conv *user_context_converter;
1280
1281extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1282 struct drm_file *file_priv);
1283extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1284 struct drm_file *file_priv);
1285extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1286 struct drm_file *file_priv);
1287extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1288extern struct vmw_cmdbuf_res_manager *
1289vmw_context_res_man(struct vmw_resource *ctx);
1290extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1291 SVGACOTableType cotable_type);
1292struct vmw_ctx_binding_state;
1293extern struct vmw_ctx_binding_state *
1294vmw_context_binding_state(struct vmw_resource *ctx);
1295extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1296 bool readback);
1297extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1298 struct vmw_buffer_object *mob);
1299extern struct vmw_buffer_object *
1300vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1301
1302
1303/*
1304 * Surface management - vmwgfx_surface.c
1305 */
1306
1307extern const struct vmw_user_resource_conv *user_surface_converter;
1308
1309extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1310 struct drm_file *file_priv);
1311extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1312 struct drm_file *file_priv);
1313extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1314 struct drm_file *file_priv);
1315extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1316 struct drm_file *file_priv);
1317extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1318 struct drm_file *file_priv);
1319extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1320 void *data,
1321 struct drm_file *file_priv);
1322extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1323 void *data,
1324 struct drm_file *file_priv);
1325
1326int vmw_gb_surface_define(struct vmw_private *dev_priv,
1327 const struct vmw_surface_metadata *req,
1328 struct vmw_surface **srf_out);
1329
1330/*
1331 * Shader management - vmwgfx_shader.c
1332 */
1333
1334extern const struct vmw_user_resource_conv *user_shader_converter;
1335
1336extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1337 struct drm_file *file_priv);
1338extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1339 struct drm_file *file_priv);
1340extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1341 struct vmw_cmdbuf_res_manager *man,
1342 u32 user_key, const void *bytecode,
1343 SVGA3dShaderType shader_type,
1344 size_t size,
1345 struct list_head *list);
1346extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1347 u32 user_key, SVGA3dShaderType shader_type,
1348 struct list_head *list);
1349extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1350 struct vmw_resource *ctx,
1351 u32 user_key,
1352 SVGA3dShaderType shader_type,
1353 struct list_head *list);
1354extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1355 struct list_head *list,
1356 bool readback);
1357
1358extern struct vmw_resource *
1359vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1360 u32 user_key, SVGA3dShaderType shader_type);
1361
1362/*
1363 * Streamoutput management
1364 */
1365struct vmw_resource *
1366vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1367 u32 user_key);
1368int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1369 struct vmw_resource *ctx,
1370 SVGA3dStreamOutputId user_key,
1371 struct list_head *list);
1372void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1373int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1374 SVGA3dStreamOutputId user_key,
1375 struct list_head *list);
1376void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
1377 struct list_head *list,
1378 bool readback);
1379
1380/*
1381 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1382 */
1383
1384extern struct vmw_cmdbuf_res_manager *
1385vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1386extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1387extern struct vmw_resource *
1388vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1389 enum vmw_cmdbuf_res_type res_type,
1390 u32 user_key);
1391extern void vmw_cmdbuf_res_revert(struct list_head *list);
1392extern void vmw_cmdbuf_res_commit(struct list_head *list);
1393extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1394 enum vmw_cmdbuf_res_type res_type,
1395 u32 user_key,
1396 struct vmw_resource *res,
1397 struct list_head *list);
1398extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1399 enum vmw_cmdbuf_res_type res_type,
1400 u32 user_key,
1401 struct list_head *list,
1402 struct vmw_resource **res);
1403
1404/*
1405 * COTable management - vmwgfx_cotable.c
1406 */
1407extern const SVGACOTableType vmw_cotable_scrub_order[];
1408extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1409 struct vmw_resource *ctx,
1410 u32 type);
1411extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1412extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1413extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1414 struct list_head *head);
1415
1416/*
1417 * Command buffer managerment vmwgfx_cmdbuf.c
1418 */
1419struct vmw_cmdbuf_man;
1420struct vmw_cmdbuf_header;
1421
1422extern struct vmw_cmdbuf_man *
1423vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1424extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
1425extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1426extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1427extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1428 unsigned long timeout);
1429extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1430 int ctx_id, bool interruptible,
1431 struct vmw_cmdbuf_header *header);
1432extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1433 struct vmw_cmdbuf_header *header,
1434 bool flush);
1435extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1436 size_t size, bool interruptible,
1437 struct vmw_cmdbuf_header **p_header);
1438extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1439extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1440 bool interruptible);
1441extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
1442
1443/* CPU blit utilities - vmwgfx_blit.c */
1444
1445/**
1446 * struct vmw_diff_cpy - CPU blit information structure
1447 *
1448 * @rect: The output bounding box rectangle.
1449 * @line: The current line of the blit.
1450 * @line_offset: Offset of the current line segment.
1451 * @cpp: Bytes per pixel (granularity information).
1452 * @memcpy: Which memcpy function to use.
1453 */
1454struct vmw_diff_cpy {
1455 struct drm_rect rect;
1456 size_t line;
1457 size_t line_offset;
1458 int cpp;
1459 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1460 size_t n);
1461};
1462
1463#define VMW_CPU_BLIT_INITIALIZER { \
1464 .do_cpy = vmw_memcpy, \
1465}
1466
1467#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \
1468 .line = 0, \
1469 .line_offset = 0, \
1470 .rect = { .x1 = INT_MAX/2, \
1471 .y1 = INT_MAX/2, \
1472 .x2 = INT_MIN/2, \
1473 .y2 = INT_MIN/2 \
1474 }, \
1475 .cpp = _cpp, \
1476 .do_cpy = vmw_diff_memcpy, \
1477}
1478
1479void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1480 size_t n);
1481
1482void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1483
1484int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
1485 u32 dst_offset, u32 dst_stride,
1486 struct ttm_buffer_object *src,
1487 u32 src_offset, u32 src_stride,
1488 u32 w, u32 h,
1489 struct vmw_diff_cpy *diff);
1490
1491/* Host messaging -vmwgfx_msg.c: */
1492int vmw_host_get_guestinfo(const char *guest_info_param,
1493 char *buffer, size_t *length);
1494__printf(1, 2) int vmw_host_printf(const char *fmt, ...);
1495int vmw_msg_ioctl(struct drm_device *dev, void *data,
1496 struct drm_file *file_priv);
1497
1498/* Host mksGuestStats -vmwgfx_msg.c: */
1499int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv);
1500
1501int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data,
1502 struct drm_file *file_priv);
1503int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data,
1504 struct drm_file *file_priv);
1505int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data,
1506 struct drm_file *file_priv);
1507int vmw_mksstat_remove_all(struct vmw_private *dev_priv);
1508
1509/* VMW logging */
1510
1511/**
1512 * VMW_DEBUG_USER - Debug output for user-space debugging.
1513 *
1514 * @fmt: printf() like format string.
1515 *
1516 * This macro is for logging user-space error and debugging messages for e.g.
1517 * command buffer execution errors due to malformed commands, invalid context,
1518 * etc.
1519 */
1520#define VMW_DEBUG_USER(fmt, ...) \
1521 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1522
1523/* Resource dirtying - vmwgfx_page_dirty.c */
1524void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo);
1525int vmw_bo_dirty_add(struct vmw_buffer_object *vbo);
1526void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1527void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1528void vmw_bo_dirty_release(struct vmw_buffer_object *vbo);
1529void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo,
1530 pgoff_t start, pgoff_t end);
1531vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1532vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
1533
1534
1535/**
1536 * VMW_DEBUG_KMS - Debug output for kernel mode-setting
1537 *
1538 * This macro is for debugging vmwgfx mode-setting code.
1539 */
1540#define VMW_DEBUG_KMS(fmt, ...) \
1541 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1542
1543/**
1544 * Inline helper functions
1545 */
1546
1547static inline void vmw_surface_unreference(struct vmw_surface **srf)
1548{
1549 struct vmw_surface *tmp_srf = *srf;
1550 struct vmw_resource *res = &tmp_srf->res;
1551 *srf = NULL;
1552
1553 vmw_resource_unreference(&res);
1554}
1555
1556static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1557{
1558 (void) vmw_resource_reference(&srf->res);
1559 return srf;
1560}
1561
1562static inline void vmw_bo_unreference(struct vmw_buffer_object **buf)
1563{
1564 struct vmw_buffer_object *tmp_buf = *buf;
1565
1566 *buf = NULL;
1567 if (tmp_buf != NULL)
1568 ttm_bo_put(&tmp_buf->base);
1569}
1570
1571static inline struct vmw_buffer_object *
1572vmw_bo_reference(struct vmw_buffer_object *buf)
1573{
1574 ttm_bo_get(&buf->base);
1575 return buf;
1576}
1577
1578static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1579{
1580 atomic_inc(&dev_priv->num_fifo_resources);
1581}
1582
1583static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1584{
1585 atomic_dec(&dev_priv->num_fifo_resources);
1586}
1587
1588/**
1589 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory
1590 *
1591 * @fifo_reg: The fifo register to read from
1592 *
1593 * This function is intended to be equivalent to ioread32() on
1594 * memremap'd memory, but without byteswapping.
1595 */
1596static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg)
1597{
1598 BUG_ON(vmw_is_svga_v3(vmw));
1599 return READ_ONCE(*(vmw->fifo_mem + fifo_reg));
1600}
1601
1602/**
1603 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory
1604 *
1605 * @addr: The fifo register to write to
1606 *
1607 * This function is intended to be equivalent to iowrite32 on
1608 * memremap'd memory, but without byteswapping.
1609 */
1610static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg,
1611 u32 value)
1612{
1613 BUG_ON(vmw_is_svga_v3(vmw));
1614 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value);
1615}
1616
1617static inline u32 vmw_fence_read(struct vmw_private *dev_priv)
1618{
1619 u32 fence;
1620 if (vmw_is_svga_v3(dev_priv))
1621 fence = vmw_read(dev_priv, SVGA_REG_FENCE);
1622 else
1623 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE);
1624 return fence;
1625}
1626
1627static inline void vmw_fence_write(struct vmw_private *dev_priv,
1628 u32 fence)
1629{
1630 BUG_ON(vmw_is_svga_v3(dev_priv));
1631 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence);
1632}
1633
1634static inline u32 vmw_irq_status_read(struct vmw_private *vmw)
1635{
1636 u32 status;
1637 if (vmw_is_svga_v3(vmw))
1638 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS);
1639 else
1640 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT);
1641 return status;
1642}
1643
1644static inline void vmw_irq_status_write(struct vmw_private *vmw,
1645 uint32 status)
1646{
1647 if (vmw_is_svga_v3(vmw))
1648 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status);
1649 else
1650 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT);
1651}
1652
1653static inline bool vmw_has_fences(struct vmw_private *vmw)
1654{
1655 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
1656 SVGA_CAP_CMD_BUFFERS_2)) != 0)
1657 return true;
1658 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0;
1659}
1660
1661#endif