1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
2 /**************************************************************************
4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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,
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23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef _VMWGFX_DRV_H_
29 #define _VMWGFX_DRV_H_
31 #include <linux/suspend.h>
32 #include <linux/sync_file.h>
34 #include <drm/drm_auth.h>
35 #include <drm/drm_device.h>
36 #include <drm/drm_file.h>
37 #include <drm/drm_hashtab.h>
38 #include <drm/drm_rect.h>
40 #include <drm/ttm/ttm_bo_driver.h>
41 #include <drm/ttm/ttm_execbuf_util.h>
42 #include <drm/ttm/ttm_module.h>
45 #include "ttm_object.h"
47 #include "vmwgfx_fence.h"
48 #include "vmwgfx_reg.h"
49 #include "vmwgfx_validation.h"
52 * FIXME: vmwgfx_drm.h needs to be last due to dependencies.
53 * uapi headers should not depend on header files outside uapi/.
55 #include <drm/vmwgfx_drm.h>
58 #define VMWGFX_DRIVER_NAME "vmwgfx"
59 #define VMWGFX_DRIVER_DATE "20200114"
60 #define VMWGFX_DRIVER_MAJOR 2
61 #define VMWGFX_DRIVER_MINOR 18
62 #define VMWGFX_DRIVER_PATCHLEVEL 0
63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
64 #define VMWGFX_MAX_RELOCATIONS 2048
65 #define VMWGFX_MAX_VALIDATIONS 2048
66 #define VMWGFX_MAX_DISPLAYS 16
67 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
68 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1
71 * Perhaps we should have sysfs entries for these.
73 #define VMWGFX_NUM_GB_CONTEXT 256
74 #define VMWGFX_NUM_GB_SHADER 20000
75 #define VMWGFX_NUM_GB_SURFACE 32768
76 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
77 #define VMWGFX_NUM_DXCONTEXT 256
78 #define VMWGFX_NUM_DXQUERY 512
79 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
80 VMWGFX_NUM_GB_SHADER +\
81 VMWGFX_NUM_GB_SURFACE +\
82 VMWGFX_NUM_GB_SCREEN_TARGET)
84 #define VMW_PL_GMR (TTM_PL_PRIV + 0)
85 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0)
86 #define VMW_PL_MOB (TTM_PL_PRIV + 1)
87 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1)
89 #define VMW_RES_CONTEXT ttm_driver_type0
90 #define VMW_RES_SURFACE ttm_driver_type1
91 #define VMW_RES_STREAM ttm_driver_type2
92 #define VMW_RES_FENCE ttm_driver_type3
93 #define VMW_RES_SHADER ttm_driver_type4
96 struct ttm_object_file *tfile;
97 bool gb_aware; /* user-space is guest-backed aware */
101 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions
102 * @base: The TTM buffer object
103 * @res_tree: RB tree of resources using this buffer object as a backing MOB
104 * @pin_count: pin depth
105 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when
106 * increased. May be decreased without reservation.
107 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
108 * @map: Kmap object for semi-persistent mappings
109 * @res_prios: Eviction priority counts for attached resources
110 * @dirty: structure for user-space dirty-tracking
112 struct vmw_buffer_object {
113 struct ttm_buffer_object base;
114 struct rb_root res_tree;
116 atomic_t cpu_writers;
117 /* Not ref-counted. Protected by binding_mutex */
118 struct vmw_resource *dx_query_ctx;
119 /* Protected by reservation */
120 struct ttm_bo_kmap_obj map;
121 u32 res_prios[TTM_MAX_BO_PRIORITY];
122 struct vmw_bo_dirty *dirty;
126 * struct vmw_validate_buffer - Carries validation info about buffers.
128 * @base: Validation info for TTM.
129 * @hash: Hash entry for quick lookup of the TTM buffer object.
131 * This structure contains also driver private validation info
132 * on top of the info needed by TTM.
134 struct vmw_validate_buffer {
135 struct ttm_validate_buffer base;
136 struct drm_hash_item hash;
137 bool validate_as_mob;
144 * struct vmw-resource - base class for hardware resources
146 * @kref: For refcounting.
147 * @dev_priv: Pointer to the device private for this resource. Immutable.
148 * @id: Device id. Protected by @dev_priv::resource_lock.
149 * @backup_size: Backup buffer size. Immutable.
150 * @res_dirty: Resource contains data not yet in the backup buffer. Protected
151 * by resource reserved.
152 * @backup_dirty: Backup buffer contains data not yet in the HW resource.
153 * Protected by resource reserved.
154 * @coherent: Emulate coherency by tracking vm accesses.
155 * @backup: The backup buffer if any. Protected by resource reserved.
156 * @backup_offset: Offset into the backup buffer if any. Protected by resource
157 * reserved. Note that only a few resource types can have a @backup_offset
158 * different from zero.
159 * @pin_count: The pin count for this resource. A pinned resource has a
160 * pin-count greater than zero. It is not on the resource LRU lists and its
161 * backup buffer is pinned. Hence it can't be evicted.
162 * @func: Method vtable for this resource. Immutable.
163 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved.
164 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
165 * @binding_head: List head for the context binding list. Protected by
166 * the @dev_priv::binding_mutex
167 * @res_free: The resource destructor.
168 * @hw_destroy: Callback to destroy the resource on the device, as part of
169 * resource destruction.
171 struct vmw_resource_dirty;
172 struct vmw_resource {
174 struct vmw_private *dev_priv;
177 unsigned long backup_size;
179 u32 backup_dirty : 1;
181 struct vmw_buffer_object *backup;
182 unsigned long backup_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);
195 * Resources that are managed using ioctls.
205 vmw_res_streamoutput,
210 * Resources that are managed using command streams.
212 enum vmw_cmdbuf_res_type {
213 vmw_cmdbuf_res_shader,
215 vmw_cmdbuf_res_streamoutput
218 struct vmw_cmdbuf_res_manager;
220 struct vmw_cursor_snooper {
225 struct vmw_framebuffer;
226 struct vmw_surface_offset;
229 * struct vmw_surface_metadata - Metadata describing a surface.
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
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.
247 * This tracks metadata for both legacy and guest backed surface.
249 struct vmw_surface_metadata {
252 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
253 u32 multisample_count;
254 u32 multisample_pattern;
259 u32 buffer_byte_stride;
260 struct drm_vmw_size base_size;
261 struct drm_vmw_size *sizes;
266 * struct vmw_surface: Resource structure for a surface.
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.
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;
282 struct vmw_marker_queue {
283 struct list_head head;
289 struct vmw_fifo_state {
290 unsigned long reserved_size;
293 unsigned long static_buffer_size;
294 bool using_bounce_buffer;
295 uint32_t capabilities;
296 struct mutex fifo_mutex;
297 struct rw_semaphore rwsem;
298 struct vmw_marker_queue marker_queue;
303 * struct vmw_res_cache_entry - resource information cache entry
304 * @handle: User-space handle of a resource.
305 * @res: Non-ref-counted pointer to the resource.
306 * @valid_handle: Whether the @handle member is valid.
307 * @valid: Whether the entry is valid, which also implies that the execbuf
308 * code holds a reference to the resource, and it's placed on the
311 * Used to avoid frequent repeated user-space handle lookups of the
314 struct vmw_res_cache_entry {
316 struct vmw_resource *res;
318 unsigned short valid_handle;
319 unsigned short valid;
323 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
325 enum vmw_dma_map_mode {
326 vmw_dma_phys, /* Use physical page addresses */
327 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
328 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
329 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
334 * struct vmw_sg_table - Scatter/gather table for binding, with additional
335 * device-specific information.
337 * @sgt: Pointer to a struct sg_table with binding information
338 * @num_regions: Number of regions with device-address contiguous pages
340 struct vmw_sg_table {
341 enum vmw_dma_map_mode mode;
343 const dma_addr_t *addrs;
344 struct sg_table *sgt;
345 unsigned long num_regions;
346 unsigned long num_pages;
350 * struct vmw_piter - Page iterator that iterates over a list of pages
351 * and DMA addresses that could be either a scatter-gather list or
354 * @pages: Array of page pointers to the pages.
355 * @addrs: DMA addresses to the pages if coherent pages are used.
356 * @iter: Scatter-gather page iterator. Current position in SG list.
357 * @i: Current position in arrays.
358 * @num_pages: Number of pages total.
359 * @next: Function to advance the iterator. Returns false if past the list
360 * of pages, true otherwise.
361 * @dma_address: Function to return the DMA address of the current page.
365 const dma_addr_t *addrs;
366 struct sg_dma_page_iter iter;
368 unsigned long num_pages;
369 bool (*next)(struct vmw_piter *);
370 dma_addr_t (*dma_address)(struct vmw_piter *);
371 struct page *(*page)(struct vmw_piter *);
375 * enum vmw_display_unit_type - Describes the display unit
377 enum vmw_display_unit_type {
380 vmw_du_screen_object,
384 struct vmw_validation_context;
385 struct vmw_ctx_validation_info;
388 * struct vmw_sw_context - Command submission context
389 * @res_ht: Pointer hash table used to find validation duplicates
390 * @kernel: Whether the command buffer originates from kernel code rather
391 * than from user-space
392 * @fp: If @kernel is false, points to the file of the client. Otherwise
394 * @cmd_bounce: Command bounce buffer used for command validation before
395 * copying to fifo space
396 * @cmd_bounce_size: Current command bounce buffer size
397 * @cur_query_bo: Current buffer object used as query result buffer
398 * @bo_relocations: List of buffer object relocations
399 * @res_relocations: List of resource relocations
400 * @buf_start: Pointer to start of memory where command validation takes
402 * @res_cache: Cache of recently looked up resources
403 * @last_query_ctx: Last context that submitted a query
404 * @needs_post_query_barrier: Whether a query barrier is needed after
406 * @staged_bindings: Cached per-context binding tracker
407 * @staged_bindings_inuse: Whether the cached per-context binding tracker
409 * @staged_cmd_res: List of staged command buffer managed resources in this
411 * @ctx_list: List of context resources referenced in this command buffer
412 * @dx_ctx_node: Validation metadata of the current DX context
413 * @dx_query_mob: The MOB used for DX queries
414 * @dx_query_ctx: The DX context used for the last DX query
415 * @man: Pointer to the command buffer managed resource manager
416 * @ctx: The validation context
418 struct vmw_sw_context{
419 struct drm_open_hash res_ht;
420 bool res_ht_initialized;
422 struct vmw_fpriv *fp;
423 uint32_t *cmd_bounce;
424 uint32_t cmd_bounce_size;
425 struct vmw_buffer_object *cur_query_bo;
426 struct list_head bo_relocations;
427 struct list_head res_relocations;
429 struct vmw_res_cache_entry res_cache[vmw_res_max];
430 struct vmw_resource *last_query_ctx;
431 bool needs_post_query_barrier;
432 struct vmw_ctx_binding_state *staged_bindings;
433 bool staged_bindings_inuse;
434 struct list_head staged_cmd_res;
435 struct list_head ctx_list;
436 struct vmw_ctx_validation_info *dx_ctx_node;
437 struct vmw_buffer_object *dx_query_mob;
438 struct vmw_resource *dx_query_ctx;
439 struct vmw_cmdbuf_res_manager *man;
440 struct vmw_validation_context *ctx;
443 struct vmw_legacy_display;
446 struct vmw_vga_topology_state {
456 * struct vmw_otable - Guest Memory OBject table metadata
458 * @size: Size of the table (page-aligned).
459 * @page_table: Pointer to a struct vmw_mob holding the page table.
463 struct vmw_mob *page_table;
467 struct vmw_otable_batch {
468 unsigned num_otables;
469 struct vmw_otable *otables;
470 struct vmw_resource *context;
471 struct ttm_buffer_object *otable_bo;
476 VMW_IRQTHREAD_CMDBUF,
481 * enum vmw_sm_type - Graphics context capability supported by device.
482 * @VMW_SM_LEGACY: Pre DX context.
483 * @VMW_SM_4: Context support upto SM4.
484 * @VMW_SM_4_1: Context support upto SM4_1.
485 * @VMW_SM_5: Context support up to SM5.
486 * @VMW_SM_MAX: Should be the last.
497 struct ttm_bo_device bdev;
499 struct vmw_fifo_state fifo;
501 struct drm_device *dev;
502 struct drm_vma_offset_manager vma_manager;
503 unsigned long vmw_chipset;
504 unsigned int io_start;
507 uint32_t prim_bb_mem;
510 uint32_t fb_max_width;
511 uint32_t fb_max_height;
512 uint32_t texture_max_width;
513 uint32_t texture_max_height;
514 uint32_t stdu_max_width;
515 uint32_t stdu_max_height;
516 uint32_t initial_width;
517 uint32_t initial_height;
519 uint32_t capabilities;
520 uint32_t capabilities2;
521 uint32_t max_gmr_ids;
522 uint32_t max_gmr_pages;
523 uint32_t max_mob_pages;
524 uint32_t max_mob_size;
525 uint32_t memory_size;
532 enum vmw_sm_type sm_type;
539 enum vmw_display_unit_type active_display_unit;
540 struct vmw_legacy_display *ldu_priv;
541 struct vmw_overlay *overlay_priv;
542 struct drm_property *hotplug_mode_update_property;
543 struct drm_property *implicit_placement_property;
544 struct mutex global_kms_state_mutex;
545 spinlock_t cursor_lock;
546 struct drm_atomic_state *suspend_state;
549 * Context and surface management.
552 spinlock_t resource_lock;
553 struct idr res_idr[vmw_res_max];
556 * A resource manager for kernel-only surfaces and
560 struct ttm_object_device *tdev;
567 wait_queue_head_t fence_queue;
568 wait_queue_head_t fifo_queue;
569 spinlock_t waiter_lock;
570 int fence_queue_waiters; /* Protected by waiter_lock */
571 int goal_queue_waiters; /* Protected by waiter_lock */
572 int cmdbuf_waiters; /* Protected by waiter_lock */
573 int error_waiters; /* Protected by waiter_lock */
574 int fifo_queue_waiters; /* Protected by waiter_lock */
575 uint32_t last_read_seqno;
576 struct vmw_fence_manager *fman;
577 uint32_t irq_mask; /* Updates protected by waiter_lock */
583 uint32_t traces_state;
584 uint32_t enable_state;
585 uint32_t config_done_state;
591 * Protected by the cmdbuf mutex.
594 struct vmw_sw_context ctx;
595 struct mutex cmdbuf_mutex;
596 struct mutex binding_mutex;
604 spinlock_t svga_lock;
609 struct notifier_block pm_nb;
610 bool refuse_hibernation;
613 struct mutex release_mutex;
614 atomic_t num_fifo_resources;
617 * Replace this with an rwsem as soon as we have down_xx_interruptible()
619 struct ttm_lock reservation_sem;
622 * Query processing. These members
623 * are protected by the cmdbuf mutex.
626 struct vmw_buffer_object *dummy_query_bo;
627 struct vmw_buffer_object *pinned_bo;
629 uint32_t query_cid_valid;
630 bool dummy_query_bo_pinned;
633 * Surface swapping. The "surface_lru" list is protected by the
634 * resource lock in order to be able to destroy a surface and take
635 * it off the lru atomically. "used_memory_size" is currently
636 * protected by the cmdbuf mutex for simplicity.
639 struct list_head res_lru[vmw_res_max];
640 uint32_t used_memory_size;
645 enum vmw_dma_map_mode map_mode;
650 struct vmw_otable_batch otable_batch;
652 struct vmw_cmdbuf_man *cman;
653 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
655 /* Validation memory reservation */
656 struct vmw_validation_mem vvm;
659 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
661 return container_of(res, struct vmw_surface, res);
664 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
666 return (struct vmw_private *)dev->dev_private;
669 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
671 return (struct vmw_fpriv *)file_priv->driver_priv;
675 * The locking here is fine-grained, so that it is performed once
676 * for every read- and write operation. This is of course costly, but we
677 * don't perform much register access in the timing critical paths anyway.
678 * Instead we have the extra benefit of being sure that we don't forget
679 * the hw lock around register accesses.
681 static inline void vmw_write(struct vmw_private *dev_priv,
682 unsigned int offset, uint32_t value)
684 spin_lock(&dev_priv->hw_lock);
685 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
686 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
687 spin_unlock(&dev_priv->hw_lock);
690 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
695 spin_lock(&dev_priv->hw_lock);
696 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
697 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
698 spin_unlock(&dev_priv->hw_lock);
704 * has_sm4_context - Does the device support SM4 context.
705 * @dev_priv: Device private.
707 * Return: Bool value if device support SM4 context or not.
709 static inline bool has_sm4_context(const struct vmw_private *dev_priv)
711 return (dev_priv->sm_type >= VMW_SM_4);
715 * has_sm4_1_context - Does the device support SM4_1 context.
716 * @dev_priv: Device private.
718 * Return: Bool value if device support SM4_1 context or not.
720 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
722 return (dev_priv->sm_type >= VMW_SM_4_1);
726 * has_sm5_context - Does the device support SM5 context.
727 * @dev_priv: Device private.
729 * Return: Bool value if device support SM5 context or not.
731 static inline bool has_sm5_context(const struct vmw_private *dev_priv)
733 return (dev_priv->sm_type >= VMW_SM_5);
736 extern void vmw_svga_enable(struct vmw_private *dev_priv);
737 extern void vmw_svga_disable(struct vmw_private *dev_priv);
741 * GMR utilities - vmwgfx_gmr.c
744 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
745 const struct vmw_sg_table *vsgt,
746 unsigned long num_pages,
748 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
751 * Resource utilities - vmwgfx_resource.c
753 struct vmw_user_resource_conv;
755 extern void vmw_resource_unreference(struct vmw_resource **p_res);
756 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
757 extern struct vmw_resource *
758 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
759 extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
761 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
763 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
764 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
765 struct ttm_object_file *tfile,
767 struct vmw_surface **out_surf,
768 struct vmw_buffer_object **out_buf);
769 extern int vmw_user_resource_lookup_handle(
770 struct vmw_private *dev_priv,
771 struct ttm_object_file *tfile,
773 const struct vmw_user_resource_conv *converter,
774 struct vmw_resource **p_res);
775 extern struct vmw_resource *
776 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv,
777 struct ttm_object_file *tfile,
779 const struct vmw_user_resource_conv *
781 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
782 struct drm_file *file_priv);
783 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
784 struct drm_file *file_priv);
785 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
786 struct ttm_object_file *tfile,
788 struct vmw_resource **out);
789 extern void vmw_resource_unreserve(struct vmw_resource *res,
793 struct vmw_buffer_object *new_backup,
794 unsigned long new_backup_offset);
795 extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
796 struct ttm_mem_reg *mem);
797 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob);
798 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
799 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo);
800 void vmw_resource_mob_attach(struct vmw_resource *res);
801 void vmw_resource_mob_detach(struct vmw_resource *res);
802 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
804 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start,
805 pgoff_t end, pgoff_t *num_prefault);
808 * vmw_resource_mob_attached - Whether a resource currently has a mob attached
811 * Return: true if the resource has a mob attached, false otherwise.
813 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
815 return !RB_EMPTY_NODE(&res->mob_node);
819 * vmw_user_resource_noref_release - release a user resource pointer looked up
822 static inline void vmw_user_resource_noref_release(void)
824 ttm_base_object_noref_release();
828 * Buffer object helper functions - vmwgfx_bo.c
830 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv,
831 struct vmw_buffer_object *bo,
832 struct ttm_placement *placement,
834 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv,
835 struct vmw_buffer_object *buf,
837 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
838 struct vmw_buffer_object *buf,
840 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv,
841 struct vmw_buffer_object *bo,
843 extern int vmw_bo_unpin(struct vmw_private *vmw_priv,
844 struct vmw_buffer_object *bo,
846 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
848 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
849 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
850 extern int vmw_bo_init(struct vmw_private *dev_priv,
851 struct vmw_buffer_object *vmw_bo,
852 size_t size, struct ttm_placement *placement,
854 void (*bo_free)(struct ttm_buffer_object *bo));
855 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo,
856 struct ttm_object_file *tfile);
857 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv,
858 struct ttm_object_file *tfile,
862 struct vmw_buffer_object **p_dma_buf,
863 struct ttm_base_object **p_base);
864 extern int vmw_user_bo_reference(struct ttm_object_file *tfile,
865 struct vmw_buffer_object *dma_buf,
867 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data,
868 struct drm_file *file_priv);
869 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data,
870 struct drm_file *file_priv);
871 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data,
872 struct drm_file *file_priv);
873 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile,
874 uint32_t id, struct vmw_buffer_object **out,
875 struct ttm_base_object **base);
876 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo,
877 struct vmw_fence_obj *fence);
878 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo);
879 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo);
880 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo,
881 struct ttm_mem_reg *mem);
882 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo);
883 extern struct vmw_buffer_object *
884 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle);
887 * vmw_user_bo_noref_release - release a buffer object pointer looked up
890 static inline void vmw_user_bo_noref_release(void)
892 ttm_base_object_noref_release();
896 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority
897 * according to attached resources
898 * @vbo: The struct vmw_buffer_object
900 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo)
902 int i = ARRAY_SIZE(vbo->res_prios);
905 if (vbo->res_prios[i]) {
906 vbo->base.priority = i;
911 vbo->base.priority = 3;
915 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource
917 * @vbo: The struct vmw_buffer_object
918 * @prio: The resource priority
920 * After being notified, the code assigns the highest resource eviction priority
921 * to the backing buffer object (mob).
923 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio)
925 if (vbo->res_prios[prio]++ == 0)
926 vmw_bo_prio_adjust(vbo);
930 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain
931 * priority being removed
932 * @vbo: The struct vmw_buffer_object
933 * @prio: The resource priority
935 * After being notified, the code assigns the highest resource eviction priority
936 * to the backing buffer object (mob).
938 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio)
940 if (--vbo->res_prios[prio] == 0)
941 vmw_bo_prio_adjust(vbo);
945 * Misc Ioctl functionality - vmwgfx_ioctl.c
948 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
949 struct drm_file *file_priv);
950 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
951 struct drm_file *file_priv);
952 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
953 struct drm_file *file_priv);
954 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
955 struct drm_file *file_priv);
956 extern __poll_t vmw_fops_poll(struct file *filp,
957 struct poll_table_struct *wait);
958 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
959 size_t count, loff_t *offset);
962 * Fifo utilities - vmwgfx_fifo.c
965 extern int vmw_fifo_init(struct vmw_private *dev_priv,
966 struct vmw_fifo_state *fifo);
967 extern void vmw_fifo_release(struct vmw_private *dev_priv,
968 struct vmw_fifo_state *fifo);
970 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
971 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
972 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
973 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
975 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
976 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
977 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
978 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
980 extern int vmw_fifo_flush(struct vmw_private *dev_priv,
983 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \
985 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \
986 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \
987 __func__, (unsigned int) __bytes); \
992 #define VMW_FIFO_RESERVE(__priv, __bytes) \
993 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID)
996 * TTM glue - vmwgfx_ttm_glue.c
999 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
1001 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
1005 * TTM buffer object driver - vmwgfx_ttm_buffer.c
1008 extern const size_t vmw_tt_size;
1009 extern struct ttm_placement vmw_vram_placement;
1010 extern struct ttm_placement vmw_vram_ne_placement;
1011 extern struct ttm_placement vmw_vram_sys_placement;
1012 extern struct ttm_placement vmw_vram_gmr_placement;
1013 extern struct ttm_placement vmw_vram_gmr_ne_placement;
1014 extern struct ttm_placement vmw_sys_placement;
1015 extern struct ttm_placement vmw_sys_ne_placement;
1016 extern struct ttm_placement vmw_evictable_placement;
1017 extern struct ttm_placement vmw_srf_placement;
1018 extern struct ttm_placement vmw_mob_placement;
1019 extern struct ttm_placement vmw_mob_ne_placement;
1020 extern struct ttm_placement vmw_nonfixed_placement;
1021 extern struct ttm_bo_driver vmw_bo_driver;
1022 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
1023 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
1024 extern const struct vmw_sg_table *
1025 vmw_bo_sg_table(struct ttm_buffer_object *bo);
1026 extern void vmw_piter_start(struct vmw_piter *viter,
1027 const struct vmw_sg_table *vsgt,
1028 unsigned long p_offs);
1031 * vmw_piter_next - Advance the iterator one page.
1033 * @viter: Pointer to the iterator to advance.
1035 * Returns false if past the list of pages, true otherwise.
1037 static inline bool vmw_piter_next(struct vmw_piter *viter)
1039 return viter->next(viter);
1043 * vmw_piter_dma_addr - Return the DMA address of the current page.
1045 * @viter: Pointer to the iterator
1047 * Returns the DMA address of the page pointed to by @viter.
1049 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
1051 return viter->dma_address(viter);
1055 * vmw_piter_page - Return a pointer to the current page.
1057 * @viter: Pointer to the iterator
1059 * Returns the DMA address of the page pointed to by @viter.
1061 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
1063 return viter->page(viter);
1067 * Command submission - vmwgfx_execbuf.c
1070 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
1071 struct drm_file *file_priv);
1072 extern int vmw_execbuf_process(struct drm_file *file_priv,
1073 struct vmw_private *dev_priv,
1074 void __user *user_commands,
1075 void *kernel_commands,
1076 uint32_t command_size,
1077 uint64_t throttle_us,
1078 uint32_t dx_context_handle,
1079 struct drm_vmw_fence_rep __user
1081 struct vmw_fence_obj **out_fence,
1083 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
1084 struct vmw_fence_obj *fence);
1085 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
1087 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
1088 struct vmw_private *dev_priv,
1089 struct vmw_fence_obj **p_fence,
1090 uint32_t *p_handle);
1091 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
1092 struct vmw_fpriv *vmw_fp,
1094 struct drm_vmw_fence_rep __user
1096 struct vmw_fence_obj *fence,
1097 uint32_t fence_handle,
1098 int32_t out_fence_fd,
1099 struct sync_file *sync_file);
1100 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
1103 * IRQs and wating - vmwgfx_irq.c
1106 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
1107 uint32_t seqno, bool interruptible,
1108 unsigned long timeout);
1109 extern int vmw_irq_install(struct drm_device *dev, int irq);
1110 extern void vmw_irq_uninstall(struct drm_device *dev);
1111 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1113 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
1118 unsigned long timeout);
1119 extern void vmw_update_seqno(struct vmw_private *dev_priv,
1120 struct vmw_fifo_state *fifo_state);
1121 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1122 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1123 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
1124 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1125 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1127 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
1128 u32 flag, int *waiter_count);
1131 * Rudimentary fence-like objects currently used only for throttling -
1135 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
1136 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
1137 extern int vmw_marker_push(struct vmw_marker_queue *queue,
1139 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
1140 uint32_t signaled_seqno);
1141 extern int vmw_wait_lag(struct vmw_private *dev_priv,
1142 struct vmw_marker_queue *queue, uint32_t us);
1145 * Kernel framebuffer - vmwgfx_fb.c
1148 int vmw_fb_init(struct vmw_private *vmw_priv);
1149 int vmw_fb_close(struct vmw_private *dev_priv);
1150 int vmw_fb_off(struct vmw_private *vmw_priv);
1151 int vmw_fb_on(struct vmw_private *vmw_priv);
1154 * Kernel modesetting - vmwgfx_kms.c
1157 int vmw_kms_init(struct vmw_private *dev_priv);
1158 int vmw_kms_close(struct vmw_private *dev_priv);
1159 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1160 struct drm_file *file_priv);
1161 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
1162 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1163 struct ttm_object_file *tfile,
1164 struct ttm_buffer_object *bo,
1165 SVGA3dCmdHeader *header);
1166 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1167 unsigned width, unsigned height, unsigned pitch,
1168 unsigned bpp, unsigned depth);
1169 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1172 u32 vmw_get_vblank_counter(struct drm_crtc *crtc);
1173 int vmw_enable_vblank(struct drm_crtc *crtc);
1174 void vmw_disable_vblank(struct drm_crtc *crtc);
1175 int vmw_kms_present(struct vmw_private *dev_priv,
1176 struct drm_file *file_priv,
1177 struct vmw_framebuffer *vfb,
1178 struct vmw_surface *surface,
1179 uint32_t sid, int32_t destX, int32_t destY,
1180 struct drm_vmw_rect *clips,
1181 uint32_t num_clips);
1182 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1183 struct drm_file *file_priv);
1184 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
1185 int vmw_kms_suspend(struct drm_device *dev);
1186 int vmw_kms_resume(struct drm_device *dev);
1187 void vmw_kms_lost_device(struct drm_device *dev);
1189 int vmw_dumb_create(struct drm_file *file_priv,
1190 struct drm_device *dev,
1191 struct drm_mode_create_dumb *args);
1193 int vmw_dumb_map_offset(struct drm_file *file_priv,
1194 struct drm_device *dev, uint32_t handle,
1196 int vmw_dumb_destroy(struct drm_file *file_priv,
1197 struct drm_device *dev,
1199 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1200 extern void vmw_resource_unpin(struct vmw_resource *res);
1201 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1204 * Overlay control - vmwgfx_overlay.c
1207 int vmw_overlay_init(struct vmw_private *dev_priv);
1208 int vmw_overlay_close(struct vmw_private *dev_priv);
1209 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1210 struct drm_file *file_priv);
1211 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1212 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1213 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1214 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1215 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1216 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1222 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
1225 * Prime - vmwgfx_prime.c
1228 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1229 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1230 struct drm_file *file_priv,
1231 int fd, u32 *handle);
1232 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1233 struct drm_file *file_priv,
1234 uint32_t handle, uint32_t flags,
1238 * MemoryOBject management - vmwgfx_mob.c
1241 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1242 const struct vmw_sg_table *vsgt,
1243 unsigned long num_data_pages, int32_t mob_id);
1244 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1245 struct vmw_mob *mob);
1246 extern void vmw_mob_destroy(struct vmw_mob *mob);
1247 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1248 extern int vmw_otables_setup(struct vmw_private *dev_priv);
1249 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1252 * Context management - vmwgfx_context.c
1255 extern const struct vmw_user_resource_conv *user_context_converter;
1257 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1258 struct drm_file *file_priv);
1259 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1260 struct drm_file *file_priv);
1261 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1262 struct drm_file *file_priv);
1263 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1264 extern struct vmw_cmdbuf_res_manager *
1265 vmw_context_res_man(struct vmw_resource *ctx);
1266 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1267 SVGACOTableType cotable_type);
1268 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1269 struct vmw_ctx_binding_state;
1270 extern struct vmw_ctx_binding_state *
1271 vmw_context_binding_state(struct vmw_resource *ctx);
1272 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1274 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1275 struct vmw_buffer_object *mob);
1276 extern struct vmw_buffer_object *
1277 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1281 * Surface management - vmwgfx_surface.c
1284 extern const struct vmw_user_resource_conv *user_surface_converter;
1286 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1287 struct drm_file *file_priv);
1288 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1289 struct drm_file *file_priv);
1290 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1291 struct drm_file *file_priv);
1292 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1293 struct drm_file *file_priv);
1294 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1295 struct drm_file *file_priv);
1296 int vmw_surface_gb_priv_define(struct drm_device *dev,
1297 uint32_t user_accounting_size,
1298 SVGA3dSurfaceAllFlags svga3d_flags,
1299 SVGA3dSurfaceFormat format,
1301 uint32_t num_mip_levels,
1302 uint32_t multisample_count,
1303 uint32_t array_size,
1304 struct drm_vmw_size size,
1305 SVGA3dMSPattern multisample_pattern,
1306 SVGA3dMSQualityLevel quality_level,
1307 struct vmw_surface **srf_out);
1308 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1310 struct drm_file *file_priv);
1311 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1313 struct drm_file *file_priv);
1315 int vmw_gb_surface_define(struct vmw_private *dev_priv,
1316 uint32_t user_accounting_size,
1317 const struct vmw_surface_metadata *req,
1318 struct vmw_surface **srf_out);
1321 * Shader management - vmwgfx_shader.c
1324 extern const struct vmw_user_resource_conv *user_shader_converter;
1326 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1327 struct drm_file *file_priv);
1328 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1329 struct drm_file *file_priv);
1330 extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1331 struct vmw_cmdbuf_res_manager *man,
1332 u32 user_key, const void *bytecode,
1333 SVGA3dShaderType shader_type,
1335 struct list_head *list);
1336 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1337 u32 user_key, SVGA3dShaderType shader_type,
1338 struct list_head *list);
1339 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1340 struct vmw_resource *ctx,
1342 SVGA3dShaderType shader_type,
1343 struct list_head *list);
1344 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1345 struct list_head *list,
1348 extern struct vmw_resource *
1349 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1350 u32 user_key, SVGA3dShaderType shader_type);
1353 * Streamoutput management
1355 struct vmw_resource *
1356 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1358 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1359 struct vmw_resource *ctx,
1360 SVGA3dStreamOutputId user_key,
1361 struct list_head *list);
1362 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1363 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1364 SVGA3dStreamOutputId user_key,
1365 struct list_head *list);
1366 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
1367 struct list_head *list,
1371 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1374 extern struct vmw_cmdbuf_res_manager *
1375 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1376 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1377 extern size_t vmw_cmdbuf_res_man_size(void);
1378 extern struct vmw_resource *
1379 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1380 enum vmw_cmdbuf_res_type res_type,
1382 extern void vmw_cmdbuf_res_revert(struct list_head *list);
1383 extern void vmw_cmdbuf_res_commit(struct list_head *list);
1384 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1385 enum vmw_cmdbuf_res_type res_type,
1387 struct vmw_resource *res,
1388 struct list_head *list);
1389 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1390 enum vmw_cmdbuf_res_type res_type,
1392 struct list_head *list,
1393 struct vmw_resource **res);
1396 * COTable management - vmwgfx_cotable.c
1398 extern const SVGACOTableType vmw_cotable_scrub_order[];
1399 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1400 struct vmw_resource *ctx,
1402 extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1403 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1404 extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1405 struct list_head *head);
1408 * Command buffer managerment vmwgfx_cmdbuf.c
1410 struct vmw_cmdbuf_man;
1411 struct vmw_cmdbuf_header;
1413 extern struct vmw_cmdbuf_man *
1414 vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1415 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
1416 size_t size, size_t default_size);
1417 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1418 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1419 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1420 unsigned long timeout);
1421 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1422 int ctx_id, bool interruptible,
1423 struct vmw_cmdbuf_header *header);
1424 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1425 struct vmw_cmdbuf_header *header,
1427 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1428 size_t size, bool interruptible,
1429 struct vmw_cmdbuf_header **p_header);
1430 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1431 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1432 bool interruptible);
1433 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
1435 /* CPU blit utilities - vmwgfx_blit.c */
1438 * struct vmw_diff_cpy - CPU blit information structure
1440 * @rect: The output bounding box rectangle.
1441 * @line: The current line of the blit.
1442 * @line_offset: Offset of the current line segment.
1443 * @cpp: Bytes per pixel (granularity information).
1444 * @memcpy: Which memcpy function to use.
1446 struct vmw_diff_cpy {
1447 struct drm_rect rect;
1451 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1455 #define VMW_CPU_BLIT_INITIALIZER { \
1456 .do_cpy = vmw_memcpy, \
1459 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \
1462 .rect = { .x1 = INT_MAX/2, \
1468 .do_cpy = vmw_diff_memcpy, \
1471 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1474 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1476 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
1477 u32 dst_offset, u32 dst_stride,
1478 struct ttm_buffer_object *src,
1479 u32 src_offset, u32 src_stride,
1481 struct vmw_diff_cpy *diff);
1483 /* Host messaging -vmwgfx_msg.c: */
1484 int vmw_host_get_guestinfo(const char *guest_info_param,
1485 char *buffer, size_t *length);
1486 int vmw_host_log(const char *log);
1487 int vmw_msg_ioctl(struct drm_device *dev, void *data,
1488 struct drm_file *file_priv);
1493 * VMW_DEBUG_USER - Debug output for user-space debugging.
1495 * @fmt: printf() like format string.
1497 * This macro is for logging user-space error and debugging messages for e.g.
1498 * command buffer execution errors due to malformed commands, invalid context,
1501 #define VMW_DEBUG_USER(fmt, ...) \
1502 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1504 /* Resource dirtying - vmwgfx_page_dirty.c */
1505 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo);
1506 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo);
1507 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1508 void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1509 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo);
1510 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo,
1511 pgoff_t start, pgoff_t end);
1512 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1513 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
1514 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
1515 vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf,
1516 enum page_entry_size pe_size);
1519 /* Transparent hugepage support - vmwgfx_thp.c */
1520 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
1521 extern const struct ttm_mem_type_manager_func vmw_thp_func;
1523 #define vmw_thp_func ttm_bo_manager_func
1527 * VMW_DEBUG_KMS - Debug output for kernel mode-setting
1529 * This macro is for debugging vmwgfx mode-setting code.
1531 #define VMW_DEBUG_KMS(fmt, ...) \
1532 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1535 * Inline helper functions
1538 static inline void vmw_surface_unreference(struct vmw_surface **srf)
1540 struct vmw_surface *tmp_srf = *srf;
1541 struct vmw_resource *res = &tmp_srf->res;
1544 vmw_resource_unreference(&res);
1547 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1549 (void) vmw_resource_reference(&srf->res);
1553 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf)
1555 struct vmw_buffer_object *tmp_buf = *buf;
1558 if (tmp_buf != NULL) {
1559 ttm_bo_put(&tmp_buf->base);
1563 static inline struct vmw_buffer_object *
1564 vmw_bo_reference(struct vmw_buffer_object *buf)
1566 ttm_bo_get(&buf->base);
1570 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
1572 return &ttm_mem_glob;
1575 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1577 atomic_inc(&dev_priv->num_fifo_resources);
1580 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1582 atomic_dec(&dev_priv->num_fifo_resources);
1586 * vmw_mmio_read - Perform a MMIO read from volatile memory
1588 * @addr: The address to read from
1590 * This function is intended to be equivalent to ioread32() on
1591 * memremap'd memory, but without byteswapping.
1593 static inline u32 vmw_mmio_read(u32 *addr)
1595 return READ_ONCE(*addr);
1599 * vmw_mmio_write - Perform a MMIO write to volatile memory
1601 * @addr: The address to write to
1603 * This function is intended to be equivalent to iowrite32 on
1604 * memremap'd memory, but without byteswapping.
1606 static inline void vmw_mmio_write(u32 value, u32 *addr)
1608 WRITE_ONCE(*addr, value);