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
110 struct vmw_fpriv {
111 struct ttm_object_file *tfile;
112 bool gb_aware; /* user-space is guest-backed aware */
113 };
114
115 struct 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 */
130 struct vmw_validate_buffer {
131 struct ttm_validate_buffer base;
132 struct vmwgfx_hash_item hash;
133 bool validate_as_mob;
134 };
135
136 struct 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 */
169 struct vmw_bo;
170 struct vmw_bo;
171 struct vmw_resource_dirty;
172 struct 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 */
197 enum 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 */
212 enum vmw_cmdbuf_res_type {
213 vmw_cmdbuf_res_shader,
214 vmw_cmdbuf_res_view,
215 vmw_cmdbuf_res_streamoutput
216 };
217
218 struct vmw_cmdbuf_res_manager;
219
220 struct vmw_cursor_snooper {
221 size_t age;
222 uint32_t *image;
223 };
224
225 struct vmw_framebuffer;
226 struct 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 */
249 struct 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 */
274 struct 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
282 struct 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 */
305 struct 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 */
316 enum 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 */
330 struct 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 */
352 struct 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
363 struct 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 */
378 enum 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
386 struct vmw_validation_context;
387 struct 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 */
420 struct 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
445 struct vmw_legacy_display;
446 struct vmw_overlay;
447
448 struct 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 */
463 struct vmw_otable {
464 unsigned long size;
465 struct vmw_mob *page_table;
466 bool enabled;
467 };
468
469 struct 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
476 enum {
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 */
491 enum 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
500 struct 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
vmw_res_to_srf(struct vmw_resource * res)658 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
659 {
660 return container_of(res, struct vmw_surface, res);
661 }
662
vmw_priv(struct drm_device * dev)663 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
664 {
665 return (struct vmw_private *)dev->dev_private;
666 }
667
vmw_priv_from_ttm(struct ttm_device * bdev)668 static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev)
669 {
670 return container_of(bdev, struct vmw_private, bdev);
671 }
672
vmw_fpriv(struct drm_file * file_priv)673 static 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 */
vmw_is_svga_v3(const struct vmw_private * dev)681 static 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 */
vmw_write(struct vmw_private * dev_priv,unsigned int offset,uint32_t value)693 static 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
vmw_read(struct vmw_private * dev_priv,unsigned int offset)706 static 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 */
has_sm4_context(const struct vmw_private * dev_priv)729 static 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 */
has_sm4_1_context(const struct vmw_private * dev_priv)740 static 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 */
has_sm5_context(const struct vmw_private * dev_priv)751 static 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 */
has_gl43_context(const struct vmw_private * dev_priv)762 static 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
vmw_max_num_uavs(struct vmw_private * dev_priv)768 static 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
774 extern void vmw_svga_enable(struct vmw_private *dev_priv);
775 extern void vmw_svga_disable(struct vmw_private *dev_priv);
776 bool vmwgfx_supported(struct vmw_private *vmw);
777
778
779 /**
780 * GMR utilities - vmwgfx_gmr.c
781 */
782
783 extern 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);
787 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
788
789 /**
790 * Resource utilities - vmwgfx_resource.c
791 */
792 struct vmw_user_resource_conv;
793
794 extern void vmw_resource_unreference(struct vmw_resource **p_res);
795 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
796 extern struct vmw_resource *
797 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
798 extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
799 bool dirtying);
800 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
801 bool no_backup);
802 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
803 extern 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);
808 extern 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
815 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
816 struct drm_file *file_priv);
817 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
818 struct drm_file *file_priv);
819 extern 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);
823 extern 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);
829 extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
830 struct ttm_resource *old_mem,
831 struct ttm_resource *new_mem);
832 int vmw_query_readback_all(struct vmw_bo *dx_query_mob);
833 void vmw_resource_evict_all(struct vmw_private *dev_priv);
834 void vmw_resource_unbind_list(struct vmw_bo *vbo);
835 void vmw_resource_mob_attach(struct vmw_resource *res);
836 void vmw_resource_mob_detach(struct vmw_resource *res);
837 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
838 pgoff_t end);
839 int 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 */
vmw_resource_mob_attached(const struct vmw_resource * res)848 static 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 */
856 struct vmw_bo_params;
857 int vmw_gem_object_create(struct vmw_private *vmw,
858 struct vmw_bo_params *params,
859 struct vmw_bo **p_vbo);
860 extern 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);
865 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
866 struct drm_file *filp);
867 extern void vmw_debugfs_gem_init(struct vmw_private *vdev);
868
869 /**
870 * Misc Ioctl functionality - vmwgfx_ioctl.c
871 */
872
873 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
874 struct drm_file *file_priv);
875 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
876 struct drm_file *file_priv);
877 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
878 struct drm_file *file_priv);
879 extern 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
886 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
887 extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
888 extern bool vmw_cmd_supported(struct vmw_private *vmw);
889 extern void *
890 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
891 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
892 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
893 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
894 extern bool vmw_supports_3d(struct vmw_private *dev_priv);
895 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
896 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
897 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
898 uint32_t cid);
899 extern 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 */
vmw_fifo_caps(const struct vmw_private * dev_priv)920 static 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 */
933 static inline bool
vmw_is_cursor_bypass3_enabled(const struct vmw_private * dev_priv)934 vmw_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
943 extern const size_t vmw_tt_size;
944 extern struct ttm_placement vmw_vram_placement;
945 extern struct ttm_placement vmw_vram_gmr_placement;
946 extern struct ttm_placement vmw_sys_placement;
947 extern struct ttm_device_funcs vmw_bo_driver;
948 extern const struct vmw_sg_table *
949 vmw_bo_sg_table(struct ttm_buffer_object *bo);
950 int 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
955 extern 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 */
vmw_piter_next(struct vmw_piter * viter)966 static 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 */
vmw_piter_dma_addr(struct vmw_piter * viter)978 static 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 */
vmw_piter_page(struct vmw_piter * viter)990 static 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
999 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
1000 struct drm_file *file_priv);
1001 extern 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);
1012 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
1013 struct vmw_fence_obj *fence);
1014 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
1015
1016 extern 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);
1020 extern 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);
1028 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
1029
1030 /**
1031 * IRQs and wating - vmwgfx_irq.c
1032 */
1033
1034 extern int vmw_irq_install(struct vmw_private *dev_priv);
1035 extern void vmw_irq_uninstall(struct drm_device *dev);
1036 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1037 uint32_t seqno);
1038 extern 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);
1044 extern void vmw_update_seqno(struct vmw_private *dev_priv);
1045 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1046 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1047 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
1048 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1049 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1050 int *waiter_count);
1051 extern 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
1058 int vmw_kms_init(struct vmw_private *dev_priv);
1059 int vmw_kms_close(struct vmw_private *dev_priv);
1060 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1061 struct drm_file *file_priv);
1062 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
1063 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1064 struct ttm_object_file *tfile,
1065 struct ttm_buffer_object *bo,
1066 SVGA3dCmdHeader *header);
1067 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1068 unsigned width, unsigned height, unsigned pitch,
1069 unsigned bpp, unsigned depth);
1070 int vmw_kms_present(struct vmw_private *dev_priv,
1071 struct drm_file *file_priv,
1072 struct vmw_framebuffer *vfb,
1073 struct vmw_surface *surface,
1074 uint32_t sid, int32_t destX, int32_t destY,
1075 struct drm_vmw_rect *clips,
1076 uint32_t num_clips);
1077 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1078 struct drm_file *file_priv);
1079 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
1080 int vmw_kms_suspend(struct drm_device *dev);
1081 int vmw_kms_resume(struct drm_device *dev);
1082 void vmw_kms_lost_device(struct drm_device *dev);
1083
1084 int vmw_dumb_create(struct drm_file *file_priv,
1085 struct drm_device *dev,
1086 struct drm_mode_create_dumb *args);
1087 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1088 extern void vmw_resource_unpin(struct vmw_resource *res);
1089 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1090
1091 /**
1092 * Overlay control - vmwgfx_overlay.c
1093 */
1094
1095 int vmw_overlay_init(struct vmw_private *dev_priv);
1096 int vmw_overlay_close(struct vmw_private *dev_priv);
1097 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1098 struct drm_file *file_priv);
1099 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1100 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1101 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1102 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1103 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1104 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1105
1106 /**
1107 * GMR Id manager
1108 */
1109
1110 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
1111 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
1112
1113 /**
1114 * System memory manager
1115 */
1116 int vmw_sys_man_init(struct vmw_private *dev_priv);
1117 void vmw_sys_man_fini(struct vmw_private *dev_priv);
1118
1119 /**
1120 * Prime - vmwgfx_prime.c
1121 */
1122
1123 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1124 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1125 struct drm_file *file_priv,
1126 int fd, u32 *handle);
1127 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1128 struct drm_file *file_priv,
1129 uint32_t handle, uint32_t flags,
1130 int *prime_fd);
1131 struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
1132 struct dma_buf_attachment *attach,
1133 struct sg_table *table);
1134
1135 /*
1136 * MemoryOBject management - vmwgfx_mob.c
1137 */
1138 struct vmw_mob;
1139 extern 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);
1142 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1143 struct vmw_mob *mob);
1144 extern void vmw_mob_destroy(struct vmw_mob *mob);
1145 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1146 extern int vmw_otables_setup(struct vmw_private *dev_priv);
1147 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1148
1149 /*
1150 * Context management - vmwgfx_context.c
1151 */
1152
1153 extern const struct vmw_user_resource_conv *user_context_converter;
1154
1155 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1156 struct drm_file *file_priv);
1157 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1158 struct drm_file *file_priv);
1159 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1160 struct drm_file *file_priv);
1161 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1162 extern struct vmw_cmdbuf_res_manager *
1163 vmw_context_res_man(struct vmw_resource *ctx);
1164 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1165 SVGACOTableType cotable_type);
1166 struct vmw_ctx_binding_state;
1167 extern struct vmw_ctx_binding_state *
1168 vmw_context_binding_state(struct vmw_resource *ctx);
1169 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1170 bool readback);
1171 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1172 struct vmw_bo *mob);
1173 extern struct vmw_bo *
1174 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1175
1176
1177 /*
1178 * Surface management - vmwgfx_surface.c
1179 */
1180
1181 extern const struct vmw_user_resource_conv *user_surface_converter;
1182
1183 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1184 struct drm_file *file_priv);
1185 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1186 struct drm_file *file_priv);
1187 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1188 struct drm_file *file_priv);
1189 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1190 struct drm_file *file_priv);
1191 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1192 struct drm_file *file_priv);
1193 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1194 void *data,
1195 struct drm_file *file_priv);
1196 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1197 void *data,
1198 struct drm_file *file_priv);
1199
1200 int 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
1208 extern const struct vmw_user_resource_conv *user_shader_converter;
1209
1210 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1211 struct drm_file *file_priv);
1212 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1213 struct drm_file *file_priv);
1214 extern 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);
1220 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1221 u32 user_key, SVGA3dShaderType shader_type,
1222 struct list_head *list);
1223 extern 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);
1228 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1229 struct list_head *list,
1230 bool readback);
1231
1232 extern struct vmw_resource *
1233 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1234 u32 user_key, SVGA3dShaderType shader_type);
1235
1236 /*
1237 * Streamoutput management
1238 */
1239 struct vmw_resource *
1240 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1241 u32 user_key);
1242 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1243 struct vmw_resource *ctx,
1244 SVGA3dStreamOutputId user_key,
1245 struct list_head *list);
1246 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1247 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1248 SVGA3dStreamOutputId user_key,
1249 struct list_head *list);
1250 void 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
1258 extern struct vmw_cmdbuf_res_manager *
1259 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1260 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1261 extern struct vmw_resource *
1262 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1263 enum vmw_cmdbuf_res_type res_type,
1264 u32 user_key);
1265 extern void vmw_cmdbuf_res_revert(struct list_head *list);
1266 extern void vmw_cmdbuf_res_commit(struct list_head *list);
1267 extern 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);
1272 extern 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 */
1281 extern const SVGACOTableType vmw_cotable_scrub_order[];
1282 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1283 struct vmw_resource *ctx,
1284 u32 type);
1285 extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1286 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1287 extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1288 struct list_head *head);
1289
1290 /*
1291 * Command buffer managerment vmwgfx_cmdbuf.c
1292 */
1293 struct vmw_cmdbuf_man;
1294 struct vmw_cmdbuf_header;
1295
1296 extern struct vmw_cmdbuf_man *
1297 vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1298 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
1299 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1300 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1301 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1302 unsigned long timeout);
1303 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1304 int ctx_id, bool interruptible,
1305 struct vmw_cmdbuf_header *header);
1306 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1307 struct vmw_cmdbuf_header *header,
1308 bool flush);
1309 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1310 size_t size, bool interruptible,
1311 struct vmw_cmdbuf_header **p_header);
1312 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1313 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1314 bool interruptible);
1315 extern 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 */
1328 struct 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
1353 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1354 size_t n);
1355
1356 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1357
1358 int 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: */
1366 void vmw_disable_backdoor(void);
1367 int 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, ...);
1370 int vmw_msg_ioctl(struct drm_device *dev, void *data,
1371 struct drm_file *file_priv);
1372
1373 /* Host mksGuestStats -vmwgfx_msg.c: */
1374 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv);
1375
1376 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data,
1377 struct drm_file *file_priv);
1378 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data,
1379 struct drm_file *file_priv);
1380 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data,
1381 struct drm_file *file_priv);
1382 int 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 */
1399 void vmw_bo_dirty_scan(struct vmw_bo *vbo);
1400 int vmw_bo_dirty_add(struct vmw_bo *vbo);
1401 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1402 void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1403 void vmw_bo_dirty_release(struct vmw_bo *vbo);
1404 void vmw_bo_dirty_unmap(struct vmw_bo *vbo,
1405 pgoff_t start, pgoff_t end);
1406 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1407 vm_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
vmw_surface_unreference(struct vmw_surface ** srf)1422 static 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
vmw_surface_reference(struct vmw_surface * srf)1431 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1432 {
1433 (void) vmw_resource_reference(&srf->res);
1434 return srf;
1435 }
1436
vmw_fifo_resource_inc(struct vmw_private * dev_priv)1437 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1438 {
1439 atomic_inc(&dev_priv->num_fifo_resources);
1440 }
1441
vmw_fifo_resource_dec(struct vmw_private * dev_priv)1442 static 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 */
vmw_fifo_mem_read(struct vmw_private * vmw,uint32 fifo_reg)1455 static 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 */
vmw_fifo_mem_write(struct vmw_private * vmw,u32 fifo_reg,u32 value)1469 static 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
vmw_fence_read(struct vmw_private * dev_priv)1476 static 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
vmw_fence_write(struct vmw_private * dev_priv,u32 fence)1486 static 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
vmw_irq_status_read(struct vmw_private * vmw)1493 static 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
vmw_irq_status_write(struct vmw_private * vmw,uint32 status)1503 static 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
vmw_has_fences(struct vmw_private * vmw)1512 static 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
vmw_shadertype_is_valid(enum vmw_sm_type shader_model,u32 shader_type)1520 static 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
1533