1/* SPDX-License-Identifier: GPL-2.0 OR MIT */
2/**************************************************************************
3 *
4 * Copyright (c) 2009-2025 Broadcom. All Rights Reserved. The term
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
6 *
7 **************************************************************************/
8
9#ifndef _VMWGFX_DRV_H_
10#define _VMWGFX_DRV_H_
11
12#include <linux/suspend.h>
13#include <linux/sync_file.h>
14#include <linux/hashtable.h>
15
16#include <drm/drm_auth.h>
17#include <drm/drm_device.h>
18#include <drm/drm_file.h>
19#include <drm/drm_print.h>
20#include <drm/drm_rect.h>
21
22#include <drm/ttm/ttm_execbuf_util.h>
23#include <drm/ttm/ttm_tt.h>
24#include <drm/ttm/ttm_placement.h>
25#include <drm/ttm/ttm_bo.h>
26
27#include "ttm_object.h"
28
29#include "vmwgfx_fence.h"
30#include "vmwgfx_reg.h"
31#include "vmwgfx_validation.h"
32
33/*
34 * FIXME: vmwgfx_drm.h needs to be last due to dependencies.
35 * uapi headers should not depend on header files outside uapi/.
36 */
37#include <drm/vmwgfx_drm.h>
38
39
40#define VMWGFX_DRIVER_NAME "vmwgfx"
41#define VMWGFX_DRIVER_MAJOR 2
42#define VMWGFX_DRIVER_MINOR 21
43#define VMWGFX_DRIVER_PATCHLEVEL 0
44#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
45#define VMWGFX_NUM_DISPLAY_UNITS 8
46#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
47
48#define VMWGFX_MIN_INITIAL_WIDTH 1280
49#define VMWGFX_MIN_INITIAL_HEIGHT 800
50
51#define VMWGFX_PCI_ID_SVGA2 0x0405
52#define VMWGFX_PCI_ID_SVGA3 0x0406
53
54/*
55 * This has to match get_count_order(SVGA_IRQFLAG_MAX)
56 */
57#define VMWGFX_MAX_NUM_IRQS 6
58
59/*
60 * Perhaps we should have sysfs entries for these.
61 */
62#define VMWGFX_NUM_GB_CONTEXT 256
63#define VMWGFX_NUM_GB_SHADER 20000
64#define VMWGFX_NUM_GB_SURFACE 32768
65#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_NUM_DISPLAY_UNITS
66#define VMWGFX_NUM_DXCONTEXT 256
67#define VMWGFX_NUM_DXQUERY 512
68#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
69 VMWGFX_NUM_GB_SHADER +\
70 VMWGFX_NUM_GB_SURFACE +\
71 VMWGFX_NUM_GB_SCREEN_TARGET)
72
73#define VMW_PL_GMR (TTM_PL_PRIV + 0)
74#define VMW_PL_MOB (TTM_PL_PRIV + 1)
75#define VMW_PL_SYSTEM (TTM_PL_PRIV + 2)
76
77#define VMW_RES_CONTEXT ttm_driver_type0
78#define VMW_RES_SURFACE ttm_driver_type1
79#define VMW_RES_STREAM ttm_driver_type2
80#define VMW_RES_FENCE ttm_driver_type3
81#define VMW_RES_SHADER ttm_driver_type4
82#define VMW_RES_HT_ORDER 12
83
84#define MKSSTAT_CAPACITY_LOG2 5U
85#define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2)
86
87struct vmw_fpriv {
88 struct ttm_object_file *tfile;
89 bool gb_aware; /* user-space is guest-backed aware */
90};
91
92struct vmwgfx_hash_item {
93 struct hlist_node head;
94 unsigned long key;
95};
96
97struct vmw_res_func;
98
99/**
100 * struct vmw-resource - base class for hardware resources
101 *
102 * @kref: For refcounting.
103 * @dev_priv: Pointer to the device private for this resource. Immutable.
104 * @id: Device id. Protected by @dev_priv::resource_lock.
105 * @guest_memory_size: Guest memory buffer size. Immutable.
106 * @res_dirty: Resource contains data not yet in the guest memory buffer.
107 * Protected by resource reserved.
108 * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW
109 * resource. Protected by resource reserved.
110 * @coherent: Emulate coherency by tracking vm accesses.
111 * @guest_memory_bo: The guest memory buffer if any. Protected by resource
112 * reserved.
113 * @guest_memory_offset: Offset into the guest memory buffer if any. Protected
114 * by resource reserved. Note that only a few resource types can have a
115 * @guest_memory_offset different from zero.
116 * @pin_count: The pin count for this resource. A pinned resource has a
117 * pin-count greater than zero. It is not on the resource LRU lists and its
118 * guest memory buffer is pinned. Hence it can't be evicted.
119 * @func: Method vtable for this resource. Immutable.
120 * @mob_node; Node for the MOB guest memory rbtree. Protected by
121 * @guest_memory_bo reserved.
122 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
123 * @binding_head: List head for the context binding list. Protected by
124 * the @dev_priv::binding_mutex
125 * @res_free: The resource destructor.
126 * @hw_destroy: Callback to destroy the resource on the device, as part of
127 * resource destruction.
128 */
129struct vmw_bo;
130struct vmw_bo;
131struct vmw_resource_dirty;
132struct vmw_resource {
133 struct kref kref;
134 struct vmw_private *dev_priv;
135 int id;
136 u32 used_prio;
137 unsigned long guest_memory_size;
138 u32 res_dirty : 1;
139 u32 guest_memory_dirty : 1;
140 u32 coherent : 1;
141 struct vmw_bo *guest_memory_bo;
142 unsigned long guest_memory_offset;
143 unsigned long pin_count;
144 const struct vmw_res_func *func;
145 struct rb_node mob_node;
146 struct list_head lru_head;
147 struct list_head binding_head;
148 struct vmw_resource_dirty *dirty;
149 void (*res_free) (struct vmw_resource *res);
150 void (*hw_destroy) (struct vmw_resource *res);
151};
152
153
154/*
155 * Resources that are managed using ioctls.
156 */
157enum vmw_res_type {
158 vmw_res_context,
159 vmw_res_surface,
160 vmw_res_stream,
161 vmw_res_shader,
162 vmw_res_dx_context,
163 vmw_res_cotable,
164 vmw_res_view,
165 vmw_res_streamoutput,
166 vmw_res_max
167};
168
169/*
170 * Resources that are managed using command streams.
171 */
172enum vmw_cmdbuf_res_type {
173 vmw_cmdbuf_res_shader,
174 vmw_cmdbuf_res_view,
175 vmw_cmdbuf_res_streamoutput
176};
177
178struct vmw_cmdbuf_res_manager;
179
180struct vmw_cursor_snooper {
181 size_t id;
182 uint32_t *image;
183};
184
185struct vmw_framebuffer;
186struct vmw_surface_offset;
187
188/**
189 * struct vmw_surface_metadata - Metadata describing a surface.
190 *
191 * @flags: Device flags.
192 * @format: Surface SVGA3D_x format.
193 * @mip_levels: Mip level for each face. For GB first index is used only.
194 * @multisample_count: Sample count.
195 * @multisample_pattern: Sample patterns.
196 * @quality_level: Quality level.
197 * @autogen_filter: Filter for automatically generated mipmaps.
198 * @array_size: Number of array elements for a 1D/2D texture. For cubemap
199 texture number of faces * array_size. This should be 0 for pre
200 SM4 device.
201 * @buffer_byte_stride: Buffer byte stride.
202 * @num_sizes: Size of @sizes. For GB surface this should always be 1.
203 * @base_size: Surface dimension.
204 * @sizes: Array representing mip sizes. Legacy only.
205 * @scanout: Whether this surface will be used for scanout.
206 *
207 * This tracks metadata for both legacy and guest backed surface.
208 */
209struct vmw_surface_metadata {
210 u64 flags;
211 u32 format;
212 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
213 u32 multisample_count;
214 u32 multisample_pattern;
215 u32 quality_level;
216 u32 autogen_filter;
217 u32 array_size;
218 u32 num_sizes;
219 u32 buffer_byte_stride;
220 struct drm_vmw_size base_size;
221 struct drm_vmw_size *sizes;
222 bool scanout;
223};
224
225/**
226 * struct vmw_surface: Resource structure for a surface.
227 *
228 * @res: The base resource for this surface.
229 * @metadata: Metadata for this surface resource.
230 * @snooper: Cursor data. Legacy surface only.
231 * @offsets: Legacy surface only.
232 * @view_list: List of views bound to this surface.
233 */
234struct vmw_surface {
235 struct vmw_resource res;
236 struct vmw_surface_metadata metadata;
237 struct vmw_cursor_snooper snooper;
238 struct vmw_surface_offset *offsets;
239 struct list_head view_list;
240};
241
242struct vmw_fifo_state {
243 unsigned long reserved_size;
244 u32 *dynamic_buffer;
245 u32 *static_buffer;
246 unsigned long static_buffer_size;
247 bool using_bounce_buffer;
248 uint32_t capabilities;
249 struct mutex fifo_mutex;
250 struct rw_semaphore rwsem;
251};
252
253/**
254 * struct vmw_res_cache_entry - resource information cache entry
255 * @handle: User-space handle of a resource.
256 * @res: Non-ref-counted pointer to the resource.
257 * @valid_handle: Whether the @handle member is valid.
258 * @valid: Whether the entry is valid, which also implies that the execbuf
259 * code holds a reference to the resource, and it's placed on the
260 * validation list.
261 *
262 * Used to avoid frequent repeated user-space handle lookups of the
263 * same resource.
264 */
265struct vmw_res_cache_entry {
266 uint32_t handle;
267 struct vmw_resource *res;
268 void *private;
269 unsigned short valid_handle;
270 unsigned short valid;
271};
272
273/**
274 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
275 */
276enum vmw_dma_map_mode {
277 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
278 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
279 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
280 vmw_dma_map_max
281};
282
283/**
284 * struct vmw_sg_table - Scatter/gather table for binding, with additional
285 * device-specific information.
286 *
287 * @sgt: Pointer to a struct sg_table with binding information
288 * @num_regions: Number of regions with device-address contiguous pages
289 */
290struct vmw_sg_table {
291 enum vmw_dma_map_mode mode;
292 struct page **pages;
293 const dma_addr_t *addrs;
294 struct sg_table *sgt;
295 unsigned long num_pages;
296};
297
298/**
299 * struct vmw_piter - Page iterator that iterates over a list of pages
300 * and DMA addresses that could be either a scatter-gather list or
301 * arrays
302 *
303 * @pages: Array of page pointers to the pages.
304 * @addrs: DMA addresses to the pages if coherent pages are used.
305 * @iter: Scatter-gather page iterator. Current position in SG list.
306 * @i: Current position in arrays.
307 * @num_pages: Number of pages total.
308 * @next: Function to advance the iterator. Returns false if past the list
309 * of pages, true otherwise.
310 * @dma_address: Function to return the DMA address of the current page.
311 */
312struct vmw_piter {
313 struct page **pages;
314 const dma_addr_t *addrs;
315 struct sg_dma_page_iter iter;
316 unsigned long i;
317 unsigned long num_pages;
318 bool (*next)(struct vmw_piter *);
319 dma_addr_t (*dma_address)(struct vmw_piter *);
320};
321
322
323struct vmw_ttm_tt {
324 struct ttm_tt dma_ttm;
325 struct vmw_private *dev_priv;
326 int gmr_id;
327 struct vmw_mob *mob;
328 int mem_type;
329 struct sg_table sgt;
330 struct vmw_sg_table vsgt;
331 bool mapped;
332 bool bound;
333};
334
335/*
336 * enum vmw_display_unit_type - Describes the display unit
337 */
338enum vmw_display_unit_type {
339 vmw_du_invalid = 0,
340 vmw_du_legacy,
341 vmw_du_screen_object,
342 vmw_du_screen_target,
343 vmw_du_max
344};
345
346struct vmw_validation_context;
347struct vmw_ctx_validation_info;
348
349/**
350 * struct vmw_sw_context - Command submission context
351 * @res_ht: Pointer hash table used to find validation duplicates
352 * @kernel: Whether the command buffer originates from kernel code rather
353 * than from user-space
354 * @fp: If @kernel is false, points to the file of the client. Otherwise
355 * NULL
356 * @cmd_bounce: Command bounce buffer used for command validation before
357 * copying to fifo space
358 * @cmd_bounce_size: Current command bounce buffer size
359 * @cur_query_bo: Current buffer object used as query result buffer
360 * @bo_relocations: List of buffer object relocations
361 * @res_relocations: List of resource relocations
362 * @buf_start: Pointer to start of memory where command validation takes
363 * place
364 * @res_cache: Cache of recently looked up resources
365 * @last_query_ctx: Last context that submitted a query
366 * @needs_post_query_barrier: Whether a query barrier is needed after
367 * command submission
368 * @staged_bindings: Cached per-context binding tracker
369 * @staged_bindings_inuse: Whether the cached per-context binding tracker
370 * is in use
371 * @staged_cmd_res: List of staged command buffer managed resources in this
372 * command buffer
373 * @ctx_list: List of context resources referenced in this command buffer
374 * @dx_ctx_node: Validation metadata of the current DX context
375 * @dx_query_mob: The MOB used for DX queries
376 * @dx_query_ctx: The DX context used for the last DX query
377 * @man: Pointer to the command buffer managed resource manager
378 * @ctx: The validation context
379 */
380struct vmw_sw_context{
381 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER);
382 bool kernel;
383 struct vmw_fpriv *fp;
384 struct drm_file *filp;
385 uint32_t *cmd_bounce;
386 uint32_t cmd_bounce_size;
387 struct vmw_bo *cur_query_bo;
388 struct list_head bo_relocations;
389 struct list_head res_relocations;
390 uint32_t *buf_start;
391 struct vmw_res_cache_entry res_cache[vmw_res_max];
392 struct vmw_resource *last_query_ctx;
393 bool needs_post_query_barrier;
394 struct vmw_ctx_binding_state *staged_bindings;
395 bool staged_bindings_inuse;
396 struct list_head staged_cmd_res;
397 struct list_head ctx_list;
398 struct vmw_ctx_validation_info *dx_ctx_node;
399 struct vmw_bo *dx_query_mob;
400 struct vmw_resource *dx_query_ctx;
401 struct vmw_cmdbuf_res_manager *man;
402 struct vmw_validation_context *ctx;
403};
404
405struct vmw_legacy_display;
406struct vmw_overlay;
407
408/*
409 * struct vmw_otable - Guest Memory OBject table metadata
410 *
411 * @size: Size of the table (page-aligned).
412 * @page_table: Pointer to a struct vmw_mob holding the page table.
413 */
414struct vmw_otable {
415 unsigned long size;
416 struct vmw_mob *page_table;
417 bool enabled;
418};
419
420struct vmw_otable_batch {
421 unsigned num_otables;
422 struct vmw_otable *otables;
423 struct vmw_resource *context;
424 struct vmw_bo *otable_bo;
425};
426
427enum {
428 VMW_IRQTHREAD_FENCE,
429 VMW_IRQTHREAD_CMDBUF,
430 VMW_IRQTHREAD_MAX
431};
432
433/**
434 * enum vmw_sm_type - Graphics context capability supported by device.
435 * @VMW_SM_LEGACY: Pre DX context.
436 * @VMW_SM_4: Context support upto SM4.
437 * @VMW_SM_4_1: Context support upto SM4_1.
438 * @VMW_SM_5: Context support up to SM5.
439 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions.
440 * @VMW_SM_MAX: Should be the last.
441 */
442enum vmw_sm_type {
443 VMW_SM_LEGACY = 0,
444 VMW_SM_4,
445 VMW_SM_4_1,
446 VMW_SM_5,
447 VMW_SM_5_1X,
448 VMW_SM_MAX
449};
450
451struct vmw_private {
452 struct drm_device drm;
453 struct ttm_device bdev;
454
455 u32 pci_id;
456 resource_size_t io_start;
457 resource_size_t vram_start;
458 resource_size_t vram_size;
459 resource_size_t max_primary_mem;
460 u32 __iomem *rmmio;
461 u32 *fifo_mem;
462 resource_size_t fifo_mem_size;
463 uint32_t fb_max_width;
464 uint32_t fb_max_height;
465 uint32_t texture_max_width;
466 uint32_t texture_max_height;
467 uint32_t stdu_max_width;
468 uint32_t stdu_max_height;
469 uint32_t initial_width;
470 uint32_t initial_height;
471 uint32_t capabilities;
472 uint32_t capabilities2;
473 uint32_t max_gmr_ids;
474 uint32_t max_gmr_pages;
475 uint32_t max_mob_pages;
476 uint32_t max_mob_size;
477 uint32_t memory_size;
478 bool has_gmr;
479 bool has_mob;
480 spinlock_t hw_lock;
481 bool assume_16bpp;
482 u32 irqs[VMWGFX_MAX_NUM_IRQS];
483 u32 num_irq_vectors;
484
485 enum vmw_sm_type sm_type;
486
487 /*
488 * Framebuffer info.
489 */
490
491 enum vmw_display_unit_type active_display_unit;
492 struct vmw_legacy_display *ldu_priv;
493 struct vmw_overlay *overlay_priv;
494 struct drm_property *hotplug_mode_update_property;
495 struct drm_property *implicit_placement_property;
496 spinlock_t cursor_lock;
497 struct drm_atomic_state *suspend_state;
498
499 /*
500 * Context and surface management.
501 */
502
503 spinlock_t resource_lock;
504 struct idr res_idr[vmw_res_max];
505
506 /*
507 * A resource manager for kernel-only surfaces and
508 * contexts.
509 */
510
511 struct ttm_object_device *tdev;
512
513 /*
514 * Fencing and IRQs.
515 */
516
517 atomic_t marker_seq;
518 wait_queue_head_t fence_queue;
519 wait_queue_head_t fifo_queue;
520 spinlock_t waiter_lock;
521 int fence_queue_waiters; /* Protected by waiter_lock */
522 int goal_queue_waiters; /* Protected by waiter_lock */
523 int cmdbuf_waiters; /* Protected by waiter_lock */
524 int error_waiters; /* Protected by waiter_lock */
525 int fifo_queue_waiters; /* Protected by waiter_lock */
526 atomic_t last_read_seqno;
527 struct vmw_fence_manager *fman;
528 uint32_t irq_mask; /* Updates protected by waiter_lock */
529
530 /*
531 * Device state
532 */
533
534 uint32_t traces_state;
535 uint32_t enable_state;
536 uint32_t config_done_state;
537
538 /**
539 * Execbuf
540 */
541 /**
542 * Protected by the cmdbuf mutex.
543 */
544
545 struct vmw_sw_context ctx;
546 struct mutex cmdbuf_mutex;
547 struct mutex binding_mutex;
548
549 /**
550 * PM management.
551 */
552 struct notifier_block pm_nb;
553 bool refuse_hibernation;
554 bool suspend_locked;
555
556 atomic_t num_fifo_resources;
557
558 /*
559 * Query processing. These members
560 * are protected by the cmdbuf mutex.
561 */
562
563 struct vmw_bo *dummy_query_bo;
564 struct vmw_bo *pinned_bo;
565 uint32_t query_cid;
566 uint32_t query_cid_valid;
567 bool dummy_query_bo_pinned;
568
569 /*
570 * Surface swapping. The "surface_lru" list is protected by the
571 * resource lock in order to be able to destroy a surface and take
572 * it off the lru atomically. "used_memory_size" is currently
573 * protected by the cmdbuf mutex for simplicity.
574 */
575
576 struct list_head res_lru[vmw_res_max];
577 uint32_t used_memory_size;
578
579 /*
580 * DMA mapping stuff.
581 */
582 enum vmw_dma_map_mode map_mode;
583
584 /*
585 * Guest Backed stuff
586 */
587 struct vmw_otable_batch otable_batch;
588
589 struct vmw_fifo_state *fifo;
590 struct vmw_cmdbuf_man *cman;
591 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
592
593 uint32 *devcaps;
594
595 bool vkms_enabled;
596 struct workqueue_struct *crc_workq;
597
598 /*
599 * mksGuestStat instance-descriptor and pid arrays
600 */
601 struct page *mksstat_user_pages[MKSSTAT_CAPACITY];
602 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY];
603
604#if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS)
605 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY];
606 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY];
607 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY];
608#endif
609};
610
611static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
612{
613 return container_of(res, struct vmw_surface, res);
614}
615
616static inline struct vmw_private *vmw_priv(struct drm_device *dev)
617{
618 return container_of(dev, struct vmw_private, drm);
619}
620
621static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev)
622{
623 return container_of(bdev, struct vmw_private, bdev);
624}
625
626static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
627{
628 return (struct vmw_fpriv *)file_priv->driver_priv;
629}
630
631/*
632 * SVGA v3 has mmio register access and lacks fifo cmds
633 */
634static inline bool vmw_is_svga_v3(const struct vmw_private *dev)
635{
636 return dev->pci_id == VMWGFX_PCI_ID_SVGA3;
637}
638
639/*
640 * The locking here is fine-grained, so that it is performed once
641 * for every read- and write operation. This is of course costly, but we
642 * don't perform much register access in the timing critical paths anyway.
643 * Instead we have the extra benefit of being sure that we don't forget
644 * the hw lock around register accesses.
645 */
646static inline void vmw_write(struct vmw_private *dev_priv,
647 unsigned int offset, uint32_t value)
648{
649 if (vmw_is_svga_v3(dev: dev_priv)) {
650 iowrite32(value, dev_priv->rmmio + offset);
651 } else {
652 spin_lock(lock: &dev_priv->hw_lock);
653 outl(value: offset, port: dev_priv->io_start + SVGA_INDEX_PORT);
654 outl(value, port: dev_priv->io_start + SVGA_VALUE_PORT);
655 spin_unlock(lock: &dev_priv->hw_lock);
656 }
657}
658
659static inline uint32_t vmw_read(struct vmw_private *dev_priv,
660 unsigned int offset)
661{
662 u32 val;
663
664 if (vmw_is_svga_v3(dev: dev_priv)) {
665 val = ioread32(dev_priv->rmmio + offset);
666 } else {
667 spin_lock(lock: &dev_priv->hw_lock);
668 outl(value: offset, port: dev_priv->io_start + SVGA_INDEX_PORT);
669 val = inl(port: dev_priv->io_start + SVGA_VALUE_PORT);
670 spin_unlock(lock: &dev_priv->hw_lock);
671 }
672
673 return val;
674}
675
676/**
677 * has_sm4_context - Does the device support SM4 context.
678 * @dev_priv: Device private.
679 *
680 * Return: Bool value if device support SM4 context or not.
681 */
682static inline bool has_sm4_context(const struct vmw_private *dev_priv)
683{
684 return (dev_priv->sm_type >= VMW_SM_4);
685}
686
687/**
688 * has_sm4_1_context - Does the device support SM4_1 context.
689 * @dev_priv: Device private.
690 *
691 * Return: Bool value if device support SM4_1 context or not.
692 */
693static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
694{
695 return (dev_priv->sm_type >= VMW_SM_4_1);
696}
697
698/**
699 * has_sm5_context - Does the device support SM5 context.
700 * @dev_priv: Device private.
701 *
702 * Return: Bool value if device support SM5 context or not.
703 */
704static inline bool has_sm5_context(const struct vmw_private *dev_priv)
705{
706 return (dev_priv->sm_type >= VMW_SM_5);
707}
708
709/**
710 * has_gl43_context - Does the device support GL43 context.
711 * @dev_priv: Device private.
712 *
713 * Return: Bool value if device support SM5 context or not.
714 */
715static inline bool has_gl43_context(const struct vmw_private *dev_priv)
716{
717 return (dev_priv->sm_type >= VMW_SM_5_1X);
718}
719
720
721static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv)
722{
723 return (has_gl43_context(dev_priv) ?
724 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS);
725}
726
727extern void vmw_svga_enable(struct vmw_private *dev_priv);
728extern void vmw_svga_disable(struct vmw_private *dev_priv);
729bool vmwgfx_supported(struct vmw_private *vmw);
730
731
732/**
733 * GMR utilities - vmwgfx_gmr.c
734 */
735
736extern int vmw_gmr_bind(struct vmw_private *dev_priv,
737 const struct vmw_sg_table *vsgt,
738 unsigned long num_pages,
739 int gmr_id);
740extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
741
742/**
743 * User handles
744 */
745struct vmw_user_object {
746 struct vmw_surface *surface;
747 struct vmw_bo *buffer;
748};
749
750int vmw_user_object_lookup(struct vmw_private *dev_priv, struct drm_file *filp,
751 u32 handle, struct vmw_user_object *uo);
752struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo);
753void vmw_user_object_unref(struct vmw_user_object *uo);
754bool vmw_user_object_is_null(struct vmw_user_object *uo);
755struct vmw_surface *vmw_user_object_surface(struct vmw_user_object *uo);
756struct vmw_bo *vmw_user_object_buffer(struct vmw_user_object *uo);
757void *vmw_user_object_map(struct vmw_user_object *uo);
758void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size);
759void vmw_user_object_unmap(struct vmw_user_object *uo);
760bool vmw_user_object_is_mapped(struct vmw_user_object *uo);
761
762/**
763 * Resource utilities - vmwgfx_resource.c
764 */
765struct vmw_user_resource_conv;
766
767extern void vmw_resource_unreference(struct vmw_resource **p_res);
768extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
769extern struct vmw_resource *
770vmw_resource_reference_unless_doomed(struct vmw_resource *res);
771extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
772 bool dirtying);
773extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
774 bool no_backup);
775extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
776extern int vmw_user_resource_lookup_handle(
777 struct vmw_private *dev_priv,
778 struct ttm_object_file *tfile,
779 uint32_t handle,
780 const struct vmw_user_resource_conv *converter,
781 struct vmw_resource **p_res);
782
783extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
784 struct drm_file *file_priv);
785extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
786 struct drm_file *file_priv);
787extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
788 struct ttm_object_file *tfile,
789 uint32_t *inout_id,
790 struct vmw_resource **out);
791extern void vmw_resource_unreserve(struct vmw_resource *res,
792 bool dirty_set,
793 bool dirty,
794 bool switch_guest_memory,
795 struct vmw_bo *new_guest_memory,
796 unsigned long new_guest_memory_offset);
797extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
798 struct ttm_resource *old_mem,
799 struct ttm_resource *new_mem);
800int vmw_query_readback_all(struct vmw_bo *dx_query_mob);
801void vmw_resource_evict_all(struct vmw_private *dev_priv);
802void vmw_resource_unbind_list(struct vmw_bo *vbo);
803void vmw_resource_mob_attach(struct vmw_resource *res);
804void vmw_resource_mob_detach(struct vmw_resource *res);
805void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
806 pgoff_t end);
807int vmw_resource_clean(struct vmw_resource *res);
808int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start,
809 pgoff_t end, pgoff_t *num_prefault);
810
811/**
812 * vmw_resource_mob_attached - Whether a resource currently has a mob attached
813 * @res: The resource
814 *
815 * Return: true if the resource has a mob attached, false otherwise.
816 */
817static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
818{
819 return !RB_EMPTY_NODE(&res->mob_node);
820}
821
822/**
823 * GEM related functionality - vmwgfx_gem.c
824 */
825struct vmw_bo_params;
826extern const struct drm_gem_object_funcs vmw_gem_object_funcs;
827extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv,
828 struct drm_file *filp,
829 uint32_t size,
830 uint32_t *handle,
831 struct vmw_bo **p_vbo);
832extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
833 struct drm_file *filp);
834extern void vmw_debugfs_gem_init(struct vmw_private *vdev);
835
836/**
837 * Misc Ioctl functionality - vmwgfx_ioctl.c
838 */
839
840extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
841 struct drm_file *file_priv);
842extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
843 struct drm_file *file_priv);
844extern int vmw_present_ioctl(struct drm_device *dev, void *data,
845 struct drm_file *file_priv);
846extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
847 struct drm_file *file_priv);
848
849/**
850 * Fifo utilities - vmwgfx_fifo.c
851 */
852
853extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
854extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
855extern bool vmw_cmd_supported(struct vmw_private *vmw);
856extern void *
857vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
858extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
859extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
860extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
861extern bool vmw_supports_3d(struct vmw_private *dev_priv);
862extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
863extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
864extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
865 uint32_t cid);
866extern int vmw_cmd_flush(struct vmw_private *dev_priv,
867 bool interruptible);
868
869#define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \
870({ \
871 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \
872 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \
873 __func__, (unsigned int) __bytes); \
874 NULL; \
875 }); \
876})
877
878#define VMW_CMD_RESERVE(__priv, __bytes) \
879 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID)
880
881
882/**
883 * vmw_fifo_caps - Returns the capabilities of the FIFO command
884 * queue or 0 if fifo memory isn't present.
885 * @dev_priv: The device private context
886 */
887static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv)
888{
889 if (!dev_priv->fifo_mem || !dev_priv->fifo)
890 return 0;
891 return dev_priv->fifo->capabilities;
892}
893
894
895/**
896 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3
897 * is enabled in the FIFO.
898 * @dev_priv: The device private context
899 */
900static inline bool
901vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
902{
903 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0;
904}
905
906/**
907 * TTM buffer object driver - vmwgfx_ttm_buffer.c
908 */
909
910extern const size_t vmw_tt_size;
911extern struct ttm_placement vmw_vram_placement;
912extern struct ttm_placement vmw_sys_placement;
913extern struct ttm_device_funcs vmw_bo_driver;
914extern const struct vmw_sg_table *
915vmw_bo_sg_table(struct ttm_buffer_object *bo);
916int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
917 size_t bo_size,
918 u32 domain,
919 struct vmw_bo **bo_p);
920
921extern void vmw_piter_start(struct vmw_piter *viter,
922 const struct vmw_sg_table *vsgt,
923 unsigned long p_offs);
924
925/**
926 * vmw_piter_next - Advance the iterator one page.
927 *
928 * @viter: Pointer to the iterator to advance.
929 *
930 * Returns false if past the list of pages, true otherwise.
931 */
932static inline bool vmw_piter_next(struct vmw_piter *viter)
933{
934 return viter->next(viter);
935}
936
937/**
938 * vmw_piter_dma_addr - Return the DMA address of the current page.
939 *
940 * @viter: Pointer to the iterator
941 *
942 * Returns the DMA address of the page pointed to by @viter.
943 */
944static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
945{
946 return viter->dma_address(viter);
947}
948
949/**
950 * vmw_piter_page - Return a pointer to the current page.
951 *
952 * @viter: Pointer to the iterator
953 *
954 * Returns the DMA address of the page pointed to by @viter.
955 */
956static inline struct page *vmw_piter_page(struct vmw_piter *viter)
957{
958 return viter->pages[viter->i];
959}
960
961/**
962 * Command submission - vmwgfx_execbuf.c
963 */
964
965extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
966 struct drm_file *file_priv);
967extern int vmw_execbuf_process(struct drm_file *file_priv,
968 struct vmw_private *dev_priv,
969 void __user *user_commands,
970 void *kernel_commands,
971 uint32_t command_size,
972 uint64_t throttle_us,
973 uint32_t dx_context_handle,
974 struct drm_vmw_fence_rep __user
975 *user_fence_rep,
976 struct vmw_fence_obj **out_fence,
977 uint32_t flags);
978extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
979 struct vmw_fence_obj *fence);
980extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
981
982extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
983 struct vmw_private *dev_priv,
984 struct vmw_fence_obj **p_fence,
985 uint32_t *p_handle);
986extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
987 struct vmw_fpriv *vmw_fp,
988 int ret,
989 struct drm_vmw_fence_rep __user
990 *user_fence_rep,
991 struct vmw_fence_obj *fence,
992 uint32_t fence_handle,
993 int32_t out_fence_fd);
994bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
995
996/**
997 * IRQs and wating - vmwgfx_irq.c
998 */
999
1000extern int vmw_irq_install(struct vmw_private *dev_priv);
1001extern void vmw_irq_uninstall(struct drm_device *dev);
1002extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1003 uint32_t seqno);
1004extern int vmw_fallback_wait(struct vmw_private *dev_priv,
1005 bool lazy,
1006 bool fifo_idle,
1007 uint32_t seqno,
1008 bool interruptible,
1009 unsigned long timeout);
1010bool vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1011bool vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1012bool vmw_goal_waiter_add(struct vmw_private *dev_priv);
1013bool vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1014bool vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1015 int *waiter_count);
1016bool vmw_generic_waiter_remove(struct vmw_private *dev_priv,
1017 u32 flag, int *waiter_count);
1018
1019/**
1020 * Kernel modesetting - vmwgfx_kms.c
1021 */
1022
1023int vmw_kms_init(struct vmw_private *dev_priv);
1024int vmw_kms_close(struct vmw_private *dev_priv);
1025int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1026 struct drm_file *file_priv);
1027void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1028 struct ttm_object_file *tfile,
1029 struct ttm_buffer_object *bo,
1030 SVGA3dCmdHeader *header);
1031int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1032 unsigned width, unsigned height, unsigned pitch,
1033 unsigned bpp, unsigned depth);
1034int vmw_kms_present(struct vmw_private *dev_priv,
1035 struct drm_file *file_priv,
1036 struct vmw_framebuffer *vfb,
1037 struct vmw_surface *surface,
1038 uint32_t sid, int32_t destX, int32_t destY,
1039 struct drm_vmw_rect *clips,
1040 uint32_t num_clips);
1041int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1042 struct drm_file *file_priv);
1043int vmw_kms_suspend(struct drm_device *dev);
1044int vmw_kms_resume(struct drm_device *dev);
1045void vmw_kms_lost_device(struct drm_device *dev);
1046
1047extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1048extern void vmw_resource_unpin(struct vmw_resource *res);
1049extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1050
1051/**
1052 * Overlay control - vmwgfx_overlay.c
1053 */
1054
1055int vmw_overlay_init(struct vmw_private *dev_priv);
1056int vmw_overlay_close(struct vmw_private *dev_priv);
1057int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1058 struct drm_file *file_priv);
1059int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1060int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1061int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1062int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1063int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1064int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1065
1066/**
1067 * GMR Id manager
1068 */
1069
1070int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
1071void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
1072
1073/**
1074 * System memory manager
1075 */
1076int vmw_sys_man_init(struct vmw_private *dev_priv);
1077void vmw_sys_man_fini(struct vmw_private *dev_priv);
1078
1079/**
1080 * Prime - vmwgfx_prime.c
1081 */
1082
1083extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1084extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1085 struct drm_file *file_priv,
1086 int fd, u32 *handle);
1087extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1088 struct drm_file *file_priv,
1089 uint32_t handle, uint32_t flags,
1090 int *prime_fd);
1091struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
1092 struct dma_buf_attachment *attach,
1093 struct sg_table *table);
1094
1095/*
1096 * MemoryOBject management - vmwgfx_mob.c
1097 */
1098struct vmw_mob;
1099extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1100 const struct vmw_sg_table *vsgt,
1101 unsigned long num_data_pages, int32_t mob_id);
1102extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1103 struct vmw_mob *mob);
1104extern void vmw_mob_destroy(struct vmw_mob *mob);
1105extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1106extern int vmw_otables_setup(struct vmw_private *dev_priv);
1107extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1108
1109/*
1110 * Context management - vmwgfx_context.c
1111 */
1112
1113extern const struct vmw_user_resource_conv *user_context_converter;
1114
1115extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1116 struct drm_file *file_priv);
1117extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1118 struct drm_file *file_priv);
1119extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1120 struct drm_file *file_priv);
1121extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1122extern struct vmw_cmdbuf_res_manager *
1123vmw_context_res_man(struct vmw_resource *ctx);
1124extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1125 SVGACOTableType cotable_type);
1126struct vmw_ctx_binding_state;
1127extern struct vmw_ctx_binding_state *
1128vmw_context_binding_state(struct vmw_resource *ctx);
1129extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1130 bool readback);
1131extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1132 struct vmw_bo *mob);
1133extern struct vmw_bo *
1134vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1135
1136
1137/*
1138 * Surface management - vmwgfx_surface.c
1139 */
1140
1141extern const struct vmw_user_resource_conv *user_surface_converter;
1142
1143extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1144 struct drm_file *file_priv);
1145extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1146 struct drm_file *file_priv);
1147extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1148 struct drm_file *file_priv);
1149extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1150 struct drm_file *file_priv);
1151extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1152 struct drm_file *file_priv);
1153extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1154 void *data,
1155 struct drm_file *file_priv);
1156extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1157 void *data,
1158 struct drm_file *file_priv);
1159
1160int vmw_gb_surface_define(struct vmw_private *dev_priv,
1161 const struct vmw_surface_metadata *req,
1162 struct vmw_surface **srf_out);
1163struct vmw_surface *vmw_lookup_surface_for_buffer(struct vmw_private *vmw,
1164 struct vmw_bo *bo,
1165 u32 handle);
1166u32 vmw_lookup_surface_handle_for_buffer(struct vmw_private *vmw,
1167 struct vmw_bo *bo,
1168 u32 handle);
1169int vmw_dumb_create(struct drm_file *file_priv,
1170 struct drm_device *dev,
1171 struct drm_mode_create_dumb *args);
1172
1173/*
1174 * Shader management - vmwgfx_shader.c
1175 */
1176
1177extern const struct vmw_user_resource_conv *user_shader_converter;
1178
1179extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1180 struct drm_file *file_priv);
1181extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1182 struct drm_file *file_priv);
1183extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1184 struct vmw_cmdbuf_res_manager *man,
1185 u32 user_key, const void *bytecode,
1186 SVGA3dShaderType shader_type,
1187 size_t size,
1188 struct list_head *list);
1189extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1190 u32 user_key, SVGA3dShaderType shader_type,
1191 struct list_head *list);
1192extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1193 struct vmw_resource *ctx,
1194 u32 user_key,
1195 SVGA3dShaderType shader_type,
1196 struct list_head *list);
1197extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1198 struct list_head *list,
1199 bool readback);
1200
1201extern struct vmw_resource *
1202vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1203 u32 user_key, SVGA3dShaderType shader_type);
1204
1205/*
1206 * Streamoutput management
1207 */
1208struct vmw_resource *
1209vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1210 u32 user_key);
1211int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1212 struct vmw_resource *ctx,
1213 SVGA3dStreamOutputId user_key,
1214 struct list_head *list);
1215void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1216int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1217 SVGA3dStreamOutputId user_key,
1218 struct list_head *list);
1219void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
1220 struct list_head *list,
1221 bool readback);
1222
1223/*
1224 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1225 */
1226
1227extern struct vmw_cmdbuf_res_manager *
1228vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1229extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1230extern struct vmw_resource *
1231vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1232 enum vmw_cmdbuf_res_type res_type,
1233 u32 user_key);
1234extern void vmw_cmdbuf_res_revert(struct list_head *list);
1235extern void vmw_cmdbuf_res_commit(struct list_head *list);
1236extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1237 enum vmw_cmdbuf_res_type res_type,
1238 u32 user_key,
1239 struct vmw_resource *res,
1240 struct list_head *list);
1241extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1242 enum vmw_cmdbuf_res_type res_type,
1243 u32 user_key,
1244 struct list_head *list,
1245 struct vmw_resource **res);
1246
1247/*
1248 * COTable management - vmwgfx_cotable.c
1249 */
1250extern const SVGACOTableType vmw_cotable_scrub_order[];
1251extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1252 struct vmw_resource *ctx,
1253 u32 type);
1254extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1255extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1256extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1257 struct list_head *head);
1258
1259/*
1260 * Command buffer managerment vmwgfx_cmdbuf.c
1261 */
1262struct vmw_cmdbuf_man;
1263struct vmw_cmdbuf_header;
1264
1265extern struct vmw_cmdbuf_man *
1266vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1267extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
1268extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1269extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1270extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1271 unsigned long timeout);
1272extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1273 int ctx_id, bool interruptible,
1274 struct vmw_cmdbuf_header *header);
1275extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1276 struct vmw_cmdbuf_header *header,
1277 bool flush);
1278extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1279 size_t size, bool interruptible,
1280 struct vmw_cmdbuf_header **p_header);
1281extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1282extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1283 bool interruptible);
1284extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
1285
1286/* CPU blit utilities - vmwgfx_blit.c */
1287
1288/**
1289 * struct vmw_diff_cpy - CPU blit information structure
1290 *
1291 * @rect: The output bounding box rectangle.
1292 * @line: The current line of the blit.
1293 * @line_offset: Offset of the current line segment.
1294 * @cpp: Bytes per pixel (granularity information).
1295 * @memcpy: Which memcpy function to use.
1296 */
1297struct vmw_diff_cpy {
1298 struct drm_rect rect;
1299 size_t line;
1300 size_t line_offset;
1301 int cpp;
1302 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1303 size_t n);
1304};
1305
1306#define VMW_CPU_BLIT_INITIALIZER { \
1307 .do_cpy = vmw_memcpy, \
1308}
1309
1310#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \
1311 .line = 0, \
1312 .line_offset = 0, \
1313 .rect = { .x1 = INT_MAX/2, \
1314 .y1 = INT_MAX/2, \
1315 .x2 = INT_MIN/2, \
1316 .y2 = INT_MIN/2 \
1317 }, \
1318 .cpp = _cpp, \
1319 .do_cpy = vmw_diff_memcpy, \
1320}
1321
1322void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1323 size_t n);
1324
1325void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1326
1327int vmw_bo_cpu_blit(struct vmw_bo *dst,
1328 u32 dst_offset, u32 dst_stride,
1329 struct vmw_bo *src,
1330 u32 src_offset, u32 src_stride,
1331 u32 w, u32 h,
1332 struct vmw_diff_cpy *diff);
1333
1334/* Host messaging -vmwgfx_msg.c: */
1335void vmw_disable_backdoor(void);
1336int vmw_host_get_guestinfo(const char *guest_info_param,
1337 char *buffer, size_t *length);
1338__printf(1, 2) int vmw_host_printf(const char *fmt, ...);
1339int vmw_msg_ioctl(struct drm_device *dev, void *data,
1340 struct drm_file *file_priv);
1341
1342/* Host mksGuestStats -vmwgfx_msg.c: */
1343int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv);
1344
1345int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data,
1346 struct drm_file *file_priv);
1347int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data,
1348 struct drm_file *file_priv);
1349int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data,
1350 struct drm_file *file_priv);
1351int vmw_mksstat_remove_all(struct vmw_private *dev_priv);
1352
1353/* VMW logging */
1354
1355/**
1356 * VMW_DEBUG_USER - Debug output for user-space debugging.
1357 *
1358 * @fmt: printf() like format string.
1359 *
1360 * This macro is for logging user-space error and debugging messages for e.g.
1361 * command buffer execution errors due to malformed commands, invalid context,
1362 * etc.
1363 */
1364#define VMW_DEBUG_USER(fmt, ...) \
1365 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1366
1367/* Resource dirtying - vmwgfx_page_dirty.c */
1368bool vmw_bo_is_dirty(struct vmw_bo *vbo);
1369void vmw_bo_dirty_scan(struct vmw_bo *vbo);
1370int vmw_bo_dirty_add(struct vmw_bo *vbo);
1371void vmw_bo_dirty_clear(struct vmw_bo *vbo);
1372void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1373void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1374void vmw_bo_dirty_release(struct vmw_bo *vbo);
1375void vmw_bo_dirty_unmap(struct vmw_bo *vbo,
1376 pgoff_t start, pgoff_t end);
1377vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1378vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
1379
1380
1381/**
1382 * VMW_DEBUG_KMS - Debug output for kernel mode-setting
1383 *
1384 * This macro is for debugging vmwgfx mode-setting code.
1385 */
1386#define VMW_DEBUG_KMS(fmt, ...) \
1387 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1388
1389/**
1390 * Inline helper functions
1391 */
1392
1393static inline void vmw_surface_unreference(struct vmw_surface **srf)
1394{
1395 struct vmw_surface *tmp_srf = *srf;
1396 struct vmw_resource *res = &tmp_srf->res;
1397 *srf = NULL;
1398
1399 vmw_resource_unreference(p_res: &res);
1400}
1401
1402static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1403{
1404 (void) vmw_resource_reference(res: &srf->res);
1405 return srf;
1406}
1407
1408static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1409{
1410 atomic_inc(v: &dev_priv->num_fifo_resources);
1411}
1412
1413static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1414{
1415 atomic_dec(v: &dev_priv->num_fifo_resources);
1416}
1417
1418/**
1419 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory
1420 *
1421 * @fifo_reg: The fifo register to read from
1422 *
1423 * This function is intended to be equivalent to ioread32() on
1424 * memremap'd memory, but without byteswapping.
1425 */
1426static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg)
1427{
1428 BUG_ON(vmw_is_svga_v3(vmw));
1429 return READ_ONCE(*(vmw->fifo_mem + fifo_reg));
1430}
1431
1432/**
1433 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory
1434 *
1435 * @addr: The fifo register to write to
1436 *
1437 * This function is intended to be equivalent to iowrite32 on
1438 * memremap'd memory, but without byteswapping.
1439 */
1440static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg,
1441 u32 value)
1442{
1443 BUG_ON(vmw_is_svga_v3(vmw));
1444 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value);
1445}
1446
1447static inline u32 vmw_fence_read(struct vmw_private *dev_priv)
1448{
1449 u32 fence;
1450 if (vmw_is_svga_v3(dev: dev_priv))
1451 fence = vmw_read(dev_priv, offset: SVGA_REG_FENCE);
1452 else
1453 fence = vmw_fifo_mem_read(vmw: dev_priv, fifo_reg: SVGA_FIFO_FENCE);
1454 return fence;
1455}
1456
1457static inline void vmw_fence_write(struct vmw_private *dev_priv,
1458 u32 fence)
1459{
1460 BUG_ON(vmw_is_svga_v3(dev_priv));
1461 vmw_fifo_mem_write(vmw: dev_priv, fifo_reg: SVGA_FIFO_FENCE, value: fence);
1462}
1463
1464static inline u32 vmw_irq_status_read(struct vmw_private *vmw)
1465{
1466 u32 status;
1467 if (vmw_is_svga_v3(dev: vmw))
1468 status = vmw_read(dev_priv: vmw, offset: SVGA_REG_IRQ_STATUS);
1469 else
1470 status = inl(port: vmw->io_start + SVGA_IRQSTATUS_PORT);
1471 return status;
1472}
1473
1474static inline void vmw_irq_status_write(struct vmw_private *vmw,
1475 uint32 status)
1476{
1477 if (vmw_is_svga_v3(dev: vmw))
1478 vmw_write(dev_priv: vmw, offset: SVGA_REG_IRQ_STATUS, value: status);
1479 else
1480 outl(value: status, port: vmw->io_start + SVGA_IRQSTATUS_PORT);
1481}
1482
1483static inline bool vmw_has_fences(struct vmw_private *vmw)
1484{
1485 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
1486 SVGA_CAP_CMD_BUFFERS_2)) != 0)
1487 return true;
1488 return (vmw_fifo_caps(dev_priv: vmw) & SVGA_FIFO_CAP_FENCE) != 0;
1489}
1490
1491static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model,
1492 u32 shader_type)
1493{
1494 SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX;
1495
1496 if (shader_model >= VMW_SM_5)
1497 max_allowed = SVGA3D_SHADERTYPE_MAX;
1498 else if (shader_model >= VMW_SM_4)
1499 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX;
1500 return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed;
1501}
1502
1503#endif
1504

source code of linux/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h