1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
2 /**************************************************************************
4 * Copyright 2009-2023 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
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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
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26 **************************************************************************/
28 #ifndef _VMWGFX_DRV_H_
29 #define _VMWGFX_DRV_H_
31 #include <linux/suspend.h>
32 #include <linux/sync_file.h>
33 #include <linux/hashtable.h>
35 #include <drm/drm_auth.h>
36 #include <drm/drm_device.h>
37 #include <drm/drm_file.h>
38 #include <drm/drm_rect.h>
40 #include <drm/ttm/ttm_execbuf_util.h>
41 #include <drm/ttm/ttm_tt.h>
42 #include <drm/ttm/ttm_placement.h>
43 #include <drm/ttm/ttm_bo.h>
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 "20211206"
60 #define VMWGFX_DRIVER_MAJOR 2
61 #define VMWGFX_DRIVER_MINOR 20
62 #define VMWGFX_DRIVER_PATCHLEVEL 0
63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
64 #define VMWGFX_MAX_DISPLAYS 16
65 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
67 #define VMWGFX_MIN_INITIAL_WIDTH 1280
68 #define VMWGFX_MIN_INITIAL_HEIGHT 800
70 #define VMWGFX_PCI_ID_SVGA2 0x0405
71 #define VMWGFX_PCI_ID_SVGA3 0x0406
74 * This has to match get_count_order(SVGA_IRQFLAG_MAX)
76 #define VMWGFX_MAX_NUM_IRQS 6
79 * Perhaps we should have sysfs entries for these.
81 #define VMWGFX_NUM_GB_CONTEXT 256
82 #define VMWGFX_NUM_GB_SHADER 20000
83 #define VMWGFX_NUM_GB_SURFACE 32768
84 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
85 #define VMWGFX_NUM_DXCONTEXT 256
86 #define VMWGFX_NUM_DXQUERY 512
87 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
88 VMWGFX_NUM_GB_SHADER +\
89 VMWGFX_NUM_GB_SURFACE +\
90 VMWGFX_NUM_GB_SCREEN_TARGET)
92 #define VMW_PL_GMR (TTM_PL_PRIV + 0)
93 #define VMW_PL_MOB (TTM_PL_PRIV + 1)
94 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2)
96 #define VMW_RES_CONTEXT ttm_driver_type0
97 #define VMW_RES_SURFACE ttm_driver_type1
98 #define VMW_RES_STREAM ttm_driver_type2
99 #define VMW_RES_FENCE ttm_driver_type3
100 #define VMW_RES_SHADER ttm_driver_type4
101 #define VMW_RES_HT_ORDER 12
103 #define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8
104 #define VMW_CURSOR_SNOOP_WIDTH 64
105 #define VMW_CURSOR_SNOOP_HEIGHT 64
107 #define MKSSTAT_CAPACITY_LOG2 5U
108 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2)
111 struct ttm_object_file *tfile;
112 bool gb_aware; /* user-space is guest-backed aware */
115 struct vmwgfx_hash_item {
116 struct hlist_node head;
122 * struct vmw_validate_buffer - Carries validation info about buffers.
124 * @base: Validation info for TTM.
125 * @hash: Hash entry for quick lookup of the TTM buffer object.
127 * This structure contains also driver private validation info
128 * on top of the info needed by TTM.
130 struct vmw_validate_buffer {
131 struct ttm_validate_buffer base;
132 struct vmwgfx_hash_item hash;
133 bool validate_as_mob;
140 * struct vmw-resource - base class for hardware resources
142 * @kref: For refcounting.
143 * @dev_priv: Pointer to the device private for this resource. Immutable.
144 * @id: Device id. Protected by @dev_priv::resource_lock.
145 * @guest_memory_size: Guest memory buffer size. Immutable.
146 * @res_dirty: Resource contains data not yet in the guest memory buffer.
147 * Protected by resource reserved.
148 * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW
149 * resource. Protected by resource reserved.
150 * @coherent: Emulate coherency by tracking vm accesses.
151 * @guest_memory_bo: The guest memory buffer if any. Protected by resource
153 * @guest_memory_offset: Offset into the guest memory buffer if any. Protected
154 * by resource reserved. Note that only a few resource types can have a
155 * @guest_memory_offset different from zero.
156 * @pin_count: The pin count for this resource. A pinned resource has a
157 * pin-count greater than zero. It is not on the resource LRU lists and its
158 * guest memory buffer is pinned. Hence it can't be evicted.
159 * @func: Method vtable for this resource. Immutable.
160 * @mob_node; Node for the MOB guest memory rbtree. Protected by
161 * @guest_memory_bo reserved.
162 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
163 * @binding_head: List head for the context binding list. Protected by
164 * the @dev_priv::binding_mutex
165 * @res_free: The resource destructor.
166 * @hw_destroy: Callback to destroy the resource on the device, as part of
167 * resource destruction.
171 struct vmw_resource_dirty;
172 struct vmw_resource {
174 struct vmw_private *dev_priv;
177 unsigned long guest_memory_size;
179 u32 guest_memory_dirty : 1;
181 struct vmw_bo *guest_memory_bo;
182 unsigned long guest_memory_offset;
183 unsigned long pin_count;
184 const struct vmw_res_func *func;
185 struct rb_node mob_node;
186 struct list_head lru_head;
187 struct list_head binding_head;
188 struct vmw_resource_dirty *dirty;
189 void (*res_free) (struct vmw_resource *res);
190 void (*hw_destroy) (struct vmw_resource *res);
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_fifo_state {
283 unsigned long reserved_size;
286 unsigned long static_buffer_size;
287 bool using_bounce_buffer;
288 uint32_t capabilities;
289 struct mutex fifo_mutex;
290 struct rw_semaphore rwsem;
294 * struct vmw_res_cache_entry - resource information cache entry
295 * @handle: User-space handle of a resource.
296 * @res: Non-ref-counted pointer to the resource.
297 * @valid_handle: Whether the @handle member is valid.
298 * @valid: Whether the entry is valid, which also implies that the execbuf
299 * code holds a reference to the resource, and it's placed on the
302 * Used to avoid frequent repeated user-space handle lookups of the
305 struct vmw_res_cache_entry {
307 struct vmw_resource *res;
309 unsigned short valid_handle;
310 unsigned short valid;
314 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
316 enum vmw_dma_map_mode {
317 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
318 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
319 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
324 * struct vmw_sg_table - Scatter/gather table for binding, with additional
325 * device-specific information.
327 * @sgt: Pointer to a struct sg_table with binding information
328 * @num_regions: Number of regions with device-address contiguous pages
330 struct vmw_sg_table {
331 enum vmw_dma_map_mode mode;
333 const dma_addr_t *addrs;
334 struct sg_table *sgt;
335 unsigned long num_pages;
339 * struct vmw_piter - Page iterator that iterates over a list of pages
340 * and DMA addresses that could be either a scatter-gather list or
343 * @pages: Array of page pointers to the pages.
344 * @addrs: DMA addresses to the pages if coherent pages are used.
345 * @iter: Scatter-gather page iterator. Current position in SG list.
346 * @i: Current position in arrays.
347 * @num_pages: Number of pages total.
348 * @next: Function to advance the iterator. Returns false if past the list
349 * of pages, true otherwise.
350 * @dma_address: Function to return the DMA address of the current page.
354 const dma_addr_t *addrs;
355 struct sg_dma_page_iter iter;
357 unsigned long num_pages;
358 bool (*next)(struct vmw_piter *);
359 dma_addr_t (*dma_address)(struct vmw_piter *);
364 struct ttm_tt dma_ttm;
365 struct vmw_private *dev_priv;
370 struct vmw_sg_table vsgt;
376 * enum vmw_display_unit_type - Describes the display unit
378 enum vmw_display_unit_type {
381 vmw_du_screen_object,
382 vmw_du_screen_target,
386 struct vmw_validation_context;
387 struct vmw_ctx_validation_info;
390 * struct vmw_sw_context - Command submission context
391 * @res_ht: Pointer hash table used to find validation duplicates
392 * @kernel: Whether the command buffer originates from kernel code rather
393 * than from user-space
394 * @fp: If @kernel is false, points to the file of the client. Otherwise
396 * @cmd_bounce: Command bounce buffer used for command validation before
397 * copying to fifo space
398 * @cmd_bounce_size: Current command bounce buffer size
399 * @cur_query_bo: Current buffer object used as query result buffer
400 * @bo_relocations: List of buffer object relocations
401 * @res_relocations: List of resource relocations
402 * @buf_start: Pointer to start of memory where command validation takes
404 * @res_cache: Cache of recently looked up resources
405 * @last_query_ctx: Last context that submitted a query
406 * @needs_post_query_barrier: Whether a query barrier is needed after
408 * @staged_bindings: Cached per-context binding tracker
409 * @staged_bindings_inuse: Whether the cached per-context binding tracker
411 * @staged_cmd_res: List of staged command buffer managed resources in this
413 * @ctx_list: List of context resources referenced in this command buffer
414 * @dx_ctx_node: Validation metadata of the current DX context
415 * @dx_query_mob: The MOB used for DX queries
416 * @dx_query_ctx: The DX context used for the last DX query
417 * @man: Pointer to the command buffer managed resource manager
418 * @ctx: The validation context
420 struct vmw_sw_context{
421 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER);
423 struct vmw_fpriv *fp;
424 struct drm_file *filp;
425 uint32_t *cmd_bounce;
426 uint32_t cmd_bounce_size;
427 struct vmw_bo *cur_query_bo;
428 struct list_head bo_relocations;
429 struct list_head res_relocations;
431 struct vmw_res_cache_entry res_cache[vmw_res_max];
432 struct vmw_resource *last_query_ctx;
433 bool needs_post_query_barrier;
434 struct vmw_ctx_binding_state *staged_bindings;
435 bool staged_bindings_inuse;
436 struct list_head staged_cmd_res;
437 struct list_head ctx_list;
438 struct vmw_ctx_validation_info *dx_ctx_node;
439 struct vmw_bo *dx_query_mob;
440 struct vmw_resource *dx_query_ctx;
441 struct vmw_cmdbuf_res_manager *man;
442 struct vmw_validation_context *ctx;
445 struct vmw_legacy_display;
448 struct vmw_vga_topology_state {
458 * struct vmw_otable - Guest Memory OBject table metadata
460 * @size: Size of the table (page-aligned).
461 * @page_table: Pointer to a struct vmw_mob holding the page table.
465 struct vmw_mob *page_table;
469 struct vmw_otable_batch {
470 unsigned num_otables;
471 struct vmw_otable *otables;
472 struct vmw_resource *context;
473 struct vmw_bo *otable_bo;
478 VMW_IRQTHREAD_CMDBUF,
483 * enum vmw_sm_type - Graphics context capability supported by device.
484 * @VMW_SM_LEGACY: Pre DX context.
485 * @VMW_SM_4: Context support upto SM4.
486 * @VMW_SM_4_1: Context support upto SM4_1.
487 * @VMW_SM_5: Context support up to SM5.
488 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions.
489 * @VMW_SM_MAX: Should be the last.
501 struct drm_device drm;
502 struct ttm_device bdev;
504 struct drm_vma_offset_manager vma_manager;
506 resource_size_t io_start;
507 resource_size_t vram_start;
508 resource_size_t vram_size;
509 resource_size_t max_primary_mem;
512 resource_size_t fifo_mem_size;
513 uint32_t fb_max_width;
514 uint32_t fb_max_height;
515 uint32_t texture_max_width;
516 uint32_t texture_max_height;
517 uint32_t stdu_max_width;
518 uint32_t stdu_max_height;
519 uint32_t initial_width;
520 uint32_t initial_height;
521 uint32_t capabilities;
522 uint32_t capabilities2;
523 uint32_t max_gmr_ids;
524 uint32_t max_gmr_pages;
525 uint32_t max_mob_pages;
526 uint32_t max_mob_size;
527 uint32_t memory_size;
532 u32 irqs[VMWGFX_MAX_NUM_IRQS];
535 enum vmw_sm_type sm_type;
541 enum vmw_display_unit_type active_display_unit;
542 struct vmw_legacy_display *ldu_priv;
543 struct vmw_overlay *overlay_priv;
544 struct drm_property *hotplug_mode_update_property;
545 struct drm_property *implicit_placement_property;
546 spinlock_t cursor_lock;
547 struct drm_atomic_state *suspend_state;
550 * Context and surface management.
553 spinlock_t resource_lock;
554 struct idr res_idr[vmw_res_max];
557 * A resource manager for kernel-only surfaces and
561 struct ttm_object_device *tdev;
568 wait_queue_head_t fence_queue;
569 wait_queue_head_t fifo_queue;
570 spinlock_t waiter_lock;
571 int fence_queue_waiters; /* Protected by waiter_lock */
572 int goal_queue_waiters; /* Protected by waiter_lock */
573 int cmdbuf_waiters; /* Protected by waiter_lock */
574 int error_waiters; /* Protected by waiter_lock */
575 int fifo_queue_waiters; /* Protected by waiter_lock */
576 uint32_t last_read_seqno;
577 struct vmw_fence_manager *fman;
578 uint32_t irq_mask; /* Updates protected by waiter_lock */
584 uint32_t traces_state;
585 uint32_t enable_state;
586 uint32_t config_done_state;
592 * Protected by the cmdbuf mutex.
595 struct vmw_sw_context ctx;
596 struct mutex cmdbuf_mutex;
597 struct mutex binding_mutex;
602 struct notifier_block pm_nb;
603 bool refuse_hibernation;
606 atomic_t num_fifo_resources;
609 * Query processing. These members
610 * are protected by the cmdbuf mutex.
613 struct vmw_bo *dummy_query_bo;
614 struct vmw_bo *pinned_bo;
616 uint32_t query_cid_valid;
617 bool dummy_query_bo_pinned;
620 * Surface swapping. The "surface_lru" list is protected by the
621 * resource lock in order to be able to destroy a surface and take
622 * it off the lru atomically. "used_memory_size" is currently
623 * protected by the cmdbuf mutex for simplicity.
626 struct list_head res_lru[vmw_res_max];
627 uint32_t used_memory_size;
632 enum vmw_dma_map_mode map_mode;
637 struct vmw_otable_batch otable_batch;
639 struct vmw_fifo_state *fifo;
640 struct vmw_cmdbuf_man *cman;
641 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
646 * mksGuestStat instance-descriptor and pid arrays
648 struct page *mksstat_user_pages[MKSSTAT_CAPACITY];
649 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY];
651 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS)
652 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY];
653 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY];
654 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY];
658 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
660 return container_of(res, struct vmw_surface, res);
663 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
665 return (struct vmw_private *)dev->dev_private;
668 static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev)
670 return container_of(bdev, struct vmw_private, bdev);
673 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
675 return (struct vmw_fpriv *)file_priv->driver_priv;
679 * SVGA v3 has mmio register access and lacks fifo cmds
681 static inline bool vmw_is_svga_v3(const struct vmw_private *dev)
683 return dev->pci_id == VMWGFX_PCI_ID_SVGA3;
687 * The locking here is fine-grained, so that it is performed once
688 * for every read- and write operation. This is of course costly, but we
689 * don't perform much register access in the timing critical paths anyway.
690 * Instead we have the extra benefit of being sure that we don't forget
691 * the hw lock around register accesses.
693 static inline void vmw_write(struct vmw_private *dev_priv,
694 unsigned int offset, uint32_t value)
696 if (vmw_is_svga_v3(dev_priv)) {
697 iowrite32(value, dev_priv->rmmio + offset);
699 spin_lock(&dev_priv->hw_lock);
700 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
701 outl(value, dev_priv->io_start + SVGA_VALUE_PORT);
702 spin_unlock(&dev_priv->hw_lock);
706 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
711 if (vmw_is_svga_v3(dev_priv)) {
712 val = ioread32(dev_priv->rmmio + offset);
714 spin_lock(&dev_priv->hw_lock);
715 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
716 val = inl(dev_priv->io_start + SVGA_VALUE_PORT);
717 spin_unlock(&dev_priv->hw_lock);
724 * has_sm4_context - Does the device support SM4 context.
725 * @dev_priv: Device private.
727 * Return: Bool value if device support SM4 context or not.
729 static inline bool has_sm4_context(const struct vmw_private *dev_priv)
731 return (dev_priv->sm_type >= VMW_SM_4);
735 * has_sm4_1_context - Does the device support SM4_1 context.
736 * @dev_priv: Device private.
738 * Return: Bool value if device support SM4_1 context or not.
740 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
742 return (dev_priv->sm_type >= VMW_SM_4_1);
746 * has_sm5_context - Does the device support SM5 context.
747 * @dev_priv: Device private.
749 * Return: Bool value if device support SM5 context or not.
751 static inline bool has_sm5_context(const struct vmw_private *dev_priv)
753 return (dev_priv->sm_type >= VMW_SM_5);
757 * has_gl43_context - Does the device support GL43 context.
758 * @dev_priv: Device private.
760 * Return: Bool value if device support SM5 context or not.
762 static inline bool has_gl43_context(const struct vmw_private *dev_priv)
764 return (dev_priv->sm_type >= VMW_SM_5_1X);
768 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv)
770 return (has_gl43_context(dev_priv) ?
771 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS);
774 extern void vmw_svga_enable(struct vmw_private *dev_priv);
775 extern void vmw_svga_disable(struct vmw_private *dev_priv);
779 * GMR utilities - vmwgfx_gmr.c
782 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
783 const struct vmw_sg_table *vsgt,
784 unsigned long num_pages,
786 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
789 * Resource utilities - vmwgfx_resource.c
791 struct vmw_user_resource_conv;
793 extern void vmw_resource_unreference(struct vmw_resource **p_res);
794 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
795 extern struct vmw_resource *
796 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
797 extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
799 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
801 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
802 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
803 struct drm_file *filp,
805 struct vmw_surface **out_surf,
806 struct vmw_bo **out_buf);
807 extern int vmw_user_resource_lookup_handle(
808 struct vmw_private *dev_priv,
809 struct ttm_object_file *tfile,
811 const struct vmw_user_resource_conv *converter,
812 struct vmw_resource **p_res);
814 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
815 struct drm_file *file_priv);
816 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
817 struct drm_file *file_priv);
818 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
819 struct ttm_object_file *tfile,
821 struct vmw_resource **out);
822 extern void vmw_resource_unreserve(struct vmw_resource *res,
825 bool switch_guest_memory,
826 struct vmw_bo *new_guest_memory,
827 unsigned long new_guest_memory_offset);
828 extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
829 struct ttm_resource *old_mem,
830 struct ttm_resource *new_mem);
831 int vmw_query_readback_all(struct vmw_bo *dx_query_mob);
832 void vmw_resource_evict_all(struct vmw_private *dev_priv);
833 void vmw_resource_unbind_list(struct vmw_bo *vbo);
834 void vmw_resource_mob_attach(struct vmw_resource *res);
835 void vmw_resource_mob_detach(struct vmw_resource *res);
836 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
838 int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start,
839 pgoff_t end, pgoff_t *num_prefault);
842 * vmw_resource_mob_attached - Whether a resource currently has a mob attached
845 * Return: true if the resource has a mob attached, false otherwise.
847 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
849 return !RB_EMPTY_NODE(&res->mob_node);
853 * GEM related functionality - vmwgfx_gem.c
855 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv,
856 struct drm_file *filp,
859 struct vmw_bo **p_vbo);
860 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
861 struct drm_file *filp);
862 extern void vmw_debugfs_gem_init(struct vmw_private *vdev);
865 * Misc Ioctl functionality - vmwgfx_ioctl.c
868 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
869 struct drm_file *file_priv);
870 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
871 struct drm_file *file_priv);
872 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
873 struct drm_file *file_priv);
874 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
875 struct drm_file *file_priv);
878 * Fifo utilities - vmwgfx_fifo.c
881 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
882 extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
883 extern bool vmw_cmd_supported(struct vmw_private *vmw);
885 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
886 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
887 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
888 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
889 extern bool vmw_supports_3d(struct vmw_private *dev_priv);
890 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
891 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
892 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
894 extern int vmw_cmd_flush(struct vmw_private *dev_priv,
897 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \
899 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \
900 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \
901 __func__, (unsigned int) __bytes); \
906 #define VMW_CMD_RESERVE(__priv, __bytes) \
907 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID)
911 * vmw_fifo_caps - Returns the capabilities of the FIFO command
912 * queue or 0 if fifo memory isn't present.
913 * @dev_priv: The device private context
915 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv)
917 if (!dev_priv->fifo_mem || !dev_priv->fifo)
919 return dev_priv->fifo->capabilities;
924 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3
925 * is enabled in the FIFO.
926 * @dev_priv: The device private context
929 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
931 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0;
935 * TTM buffer object driver - vmwgfx_ttm_buffer.c
938 extern const size_t vmw_tt_size;
939 extern struct ttm_placement vmw_vram_placement;
940 extern struct ttm_placement vmw_vram_gmr_placement;
941 extern struct ttm_placement vmw_sys_placement;
942 extern struct ttm_device_funcs vmw_bo_driver;
943 extern const struct vmw_sg_table *
944 vmw_bo_sg_table(struct ttm_buffer_object *bo);
945 int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
948 struct vmw_bo **bo_p);
950 extern void vmw_piter_start(struct vmw_piter *viter,
951 const struct vmw_sg_table *vsgt,
952 unsigned long p_offs);
955 * vmw_piter_next - Advance the iterator one page.
957 * @viter: Pointer to the iterator to advance.
959 * Returns false if past the list of pages, true otherwise.
961 static inline bool vmw_piter_next(struct vmw_piter *viter)
963 return viter->next(viter);
967 * vmw_piter_dma_addr - Return the DMA address of the current page.
969 * @viter: Pointer to the iterator
971 * Returns the DMA address of the page pointed to by @viter.
973 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
975 return viter->dma_address(viter);
979 * vmw_piter_page - Return a pointer to the current page.
981 * @viter: Pointer to the iterator
983 * Returns the DMA address of the page pointed to by @viter.
985 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
987 return viter->pages[viter->i];
991 * Command submission - vmwgfx_execbuf.c
994 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
995 struct drm_file *file_priv);
996 extern int vmw_execbuf_process(struct drm_file *file_priv,
997 struct vmw_private *dev_priv,
998 void __user *user_commands,
999 void *kernel_commands,
1000 uint32_t command_size,
1001 uint64_t throttle_us,
1002 uint32_t dx_context_handle,
1003 struct drm_vmw_fence_rep __user
1005 struct vmw_fence_obj **out_fence,
1007 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
1008 struct vmw_fence_obj *fence);
1009 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
1011 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
1012 struct vmw_private *dev_priv,
1013 struct vmw_fence_obj **p_fence,
1014 uint32_t *p_handle);
1015 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
1016 struct vmw_fpriv *vmw_fp,
1018 struct drm_vmw_fence_rep __user
1020 struct vmw_fence_obj *fence,
1021 uint32_t fence_handle,
1022 int32_t out_fence_fd);
1023 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
1026 * IRQs and wating - vmwgfx_irq.c
1029 extern int vmw_irq_install(struct vmw_private *dev_priv);
1030 extern void vmw_irq_uninstall(struct drm_device *dev);
1031 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1033 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
1038 unsigned long timeout);
1039 extern void vmw_update_seqno(struct vmw_private *dev_priv);
1040 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1041 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1042 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
1043 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1044 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1046 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
1047 u32 flag, int *waiter_count);
1050 * Kernel modesetting - vmwgfx_kms.c
1053 int vmw_kms_init(struct vmw_private *dev_priv);
1054 int vmw_kms_close(struct vmw_private *dev_priv);
1055 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1056 struct drm_file *file_priv);
1057 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
1058 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1059 struct ttm_object_file *tfile,
1060 struct ttm_buffer_object *bo,
1061 SVGA3dCmdHeader *header);
1062 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1063 unsigned width, unsigned height, unsigned pitch,
1064 unsigned bpp, unsigned depth);
1065 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1068 int vmw_kms_present(struct vmw_private *dev_priv,
1069 struct drm_file *file_priv,
1070 struct vmw_framebuffer *vfb,
1071 struct vmw_surface *surface,
1072 uint32_t sid, int32_t destX, int32_t destY,
1073 struct drm_vmw_rect *clips,
1074 uint32_t num_clips);
1075 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1076 struct drm_file *file_priv);
1077 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
1078 int vmw_kms_suspend(struct drm_device *dev);
1079 int vmw_kms_resume(struct drm_device *dev);
1080 void vmw_kms_lost_device(struct drm_device *dev);
1082 int vmw_dumb_create(struct drm_file *file_priv,
1083 struct drm_device *dev,
1084 struct drm_mode_create_dumb *args);
1085 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1086 extern void vmw_resource_unpin(struct vmw_resource *res);
1087 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1090 * Overlay control - vmwgfx_overlay.c
1093 int vmw_overlay_init(struct vmw_private *dev_priv);
1094 int vmw_overlay_close(struct vmw_private *dev_priv);
1095 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1096 struct drm_file *file_priv);
1097 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1098 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1099 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1100 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1101 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1102 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1108 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
1109 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
1112 * System memory manager
1114 int vmw_sys_man_init(struct vmw_private *dev_priv);
1115 void vmw_sys_man_fini(struct vmw_private *dev_priv);
1118 * Prime - vmwgfx_prime.c
1121 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1122 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1123 struct drm_file *file_priv,
1124 int fd, u32 *handle);
1125 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1126 struct drm_file *file_priv,
1127 uint32_t handle, uint32_t flags,
1131 * MemoryOBject management - vmwgfx_mob.c
1134 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1135 const struct vmw_sg_table *vsgt,
1136 unsigned long num_data_pages, int32_t mob_id);
1137 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1138 struct vmw_mob *mob);
1139 extern void vmw_mob_destroy(struct vmw_mob *mob);
1140 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1141 extern int vmw_otables_setup(struct vmw_private *dev_priv);
1142 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1145 * Context management - vmwgfx_context.c
1148 extern const struct vmw_user_resource_conv *user_context_converter;
1150 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1151 struct drm_file *file_priv);
1152 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1153 struct drm_file *file_priv);
1154 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1155 struct drm_file *file_priv);
1156 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1157 extern struct vmw_cmdbuf_res_manager *
1158 vmw_context_res_man(struct vmw_resource *ctx);
1159 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1160 SVGACOTableType cotable_type);
1161 struct vmw_ctx_binding_state;
1162 extern struct vmw_ctx_binding_state *
1163 vmw_context_binding_state(struct vmw_resource *ctx);
1164 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1166 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1167 struct vmw_bo *mob);
1168 extern struct vmw_bo *
1169 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1173 * Surface management - vmwgfx_surface.c
1176 extern const struct vmw_user_resource_conv *user_surface_converter;
1178 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1179 struct drm_file *file_priv);
1180 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1181 struct drm_file *file_priv);
1182 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1183 struct drm_file *file_priv);
1184 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1185 struct drm_file *file_priv);
1186 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1187 struct drm_file *file_priv);
1188 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1190 struct drm_file *file_priv);
1191 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1193 struct drm_file *file_priv);
1195 int vmw_gb_surface_define(struct vmw_private *dev_priv,
1196 const struct vmw_surface_metadata *req,
1197 struct vmw_surface **srf_out);
1200 * Shader management - vmwgfx_shader.c
1203 extern const struct vmw_user_resource_conv *user_shader_converter;
1205 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1206 struct drm_file *file_priv);
1207 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1208 struct drm_file *file_priv);
1209 extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1210 struct vmw_cmdbuf_res_manager *man,
1211 u32 user_key, const void *bytecode,
1212 SVGA3dShaderType shader_type,
1214 struct list_head *list);
1215 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1216 u32 user_key, SVGA3dShaderType shader_type,
1217 struct list_head *list);
1218 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1219 struct vmw_resource *ctx,
1221 SVGA3dShaderType shader_type,
1222 struct list_head *list);
1223 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1224 struct list_head *list,
1227 extern struct vmw_resource *
1228 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1229 u32 user_key, SVGA3dShaderType shader_type);
1232 * Streamoutput management
1234 struct vmw_resource *
1235 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1237 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1238 struct vmw_resource *ctx,
1239 SVGA3dStreamOutputId user_key,
1240 struct list_head *list);
1241 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1242 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1243 SVGA3dStreamOutputId user_key,
1244 struct list_head *list);
1245 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
1246 struct list_head *list,
1250 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1253 extern struct vmw_cmdbuf_res_manager *
1254 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1255 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1256 extern struct vmw_resource *
1257 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1258 enum vmw_cmdbuf_res_type res_type,
1260 extern void vmw_cmdbuf_res_revert(struct list_head *list);
1261 extern void vmw_cmdbuf_res_commit(struct list_head *list);
1262 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1263 enum vmw_cmdbuf_res_type res_type,
1265 struct vmw_resource *res,
1266 struct list_head *list);
1267 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1268 enum vmw_cmdbuf_res_type res_type,
1270 struct list_head *list,
1271 struct vmw_resource **res);
1274 * COTable management - vmwgfx_cotable.c
1276 extern const SVGACOTableType vmw_cotable_scrub_order[];
1277 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1278 struct vmw_resource *ctx,
1280 extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1281 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1282 extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1283 struct list_head *head);
1286 * Command buffer managerment vmwgfx_cmdbuf.c
1288 struct vmw_cmdbuf_man;
1289 struct vmw_cmdbuf_header;
1291 extern struct vmw_cmdbuf_man *
1292 vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1293 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
1294 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1295 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1296 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1297 unsigned long timeout);
1298 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1299 int ctx_id, bool interruptible,
1300 struct vmw_cmdbuf_header *header);
1301 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1302 struct vmw_cmdbuf_header *header,
1304 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1305 size_t size, bool interruptible,
1306 struct vmw_cmdbuf_header **p_header);
1307 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1308 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1309 bool interruptible);
1310 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
1312 /* CPU blit utilities - vmwgfx_blit.c */
1315 * struct vmw_diff_cpy - CPU blit information structure
1317 * @rect: The output bounding box rectangle.
1318 * @line: The current line of the blit.
1319 * @line_offset: Offset of the current line segment.
1320 * @cpp: Bytes per pixel (granularity information).
1321 * @memcpy: Which memcpy function to use.
1323 struct vmw_diff_cpy {
1324 struct drm_rect rect;
1328 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1332 #define VMW_CPU_BLIT_INITIALIZER { \
1333 .do_cpy = vmw_memcpy, \
1336 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \
1339 .rect = { .x1 = INT_MAX/2, \
1345 .do_cpy = vmw_diff_memcpy, \
1348 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1351 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1353 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
1354 u32 dst_offset, u32 dst_stride,
1355 struct ttm_buffer_object *src,
1356 u32 src_offset, u32 src_stride,
1358 struct vmw_diff_cpy *diff);
1360 /* Host messaging -vmwgfx_msg.c: */
1361 int vmw_host_get_guestinfo(const char *guest_info_param,
1362 char *buffer, size_t *length);
1363 __printf(1, 2) int vmw_host_printf(const char *fmt, ...);
1364 int vmw_msg_ioctl(struct drm_device *dev, void *data,
1365 struct drm_file *file_priv);
1367 /* Host mksGuestStats -vmwgfx_msg.c: */
1368 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv);
1370 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data,
1371 struct drm_file *file_priv);
1372 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data,
1373 struct drm_file *file_priv);
1374 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data,
1375 struct drm_file *file_priv);
1376 int vmw_mksstat_remove_all(struct vmw_private *dev_priv);
1381 * VMW_DEBUG_USER - Debug output for user-space debugging.
1383 * @fmt: printf() like format string.
1385 * This macro is for logging user-space error and debugging messages for e.g.
1386 * command buffer execution errors due to malformed commands, invalid context,
1389 #define VMW_DEBUG_USER(fmt, ...) \
1390 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1392 /* Resource dirtying - vmwgfx_page_dirty.c */
1393 void vmw_bo_dirty_scan(struct vmw_bo *vbo);
1394 int vmw_bo_dirty_add(struct vmw_bo *vbo);
1395 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1396 void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1397 void vmw_bo_dirty_release(struct vmw_bo *vbo);
1398 void vmw_bo_dirty_unmap(struct vmw_bo *vbo,
1399 pgoff_t start, pgoff_t end);
1400 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1401 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
1405 * VMW_DEBUG_KMS - Debug output for kernel mode-setting
1407 * This macro is for debugging vmwgfx mode-setting code.
1409 #define VMW_DEBUG_KMS(fmt, ...) \
1410 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1413 * Inline helper functions
1416 static inline void vmw_surface_unreference(struct vmw_surface **srf)
1418 struct vmw_surface *tmp_srf = *srf;
1419 struct vmw_resource *res = &tmp_srf->res;
1422 vmw_resource_unreference(&res);
1425 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1427 (void) vmw_resource_reference(&srf->res);
1431 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1433 atomic_inc(&dev_priv->num_fifo_resources);
1436 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1438 atomic_dec(&dev_priv->num_fifo_resources);
1442 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory
1444 * @fifo_reg: The fifo register to read from
1446 * This function is intended to be equivalent to ioread32() on
1447 * memremap'd memory, but without byteswapping.
1449 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg)
1451 BUG_ON(vmw_is_svga_v3(vmw));
1452 return READ_ONCE(*(vmw->fifo_mem + fifo_reg));
1456 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory
1458 * @addr: The fifo register to write to
1460 * This function is intended to be equivalent to iowrite32 on
1461 * memremap'd memory, but without byteswapping.
1463 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg,
1466 BUG_ON(vmw_is_svga_v3(vmw));
1467 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value);
1470 static inline u32 vmw_fence_read(struct vmw_private *dev_priv)
1473 if (vmw_is_svga_v3(dev_priv))
1474 fence = vmw_read(dev_priv, SVGA_REG_FENCE);
1476 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE);
1480 static inline void vmw_fence_write(struct vmw_private *dev_priv,
1483 BUG_ON(vmw_is_svga_v3(dev_priv));
1484 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence);
1487 static inline u32 vmw_irq_status_read(struct vmw_private *vmw)
1490 if (vmw_is_svga_v3(vmw))
1491 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS);
1493 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT);
1497 static inline void vmw_irq_status_write(struct vmw_private *vmw,
1500 if (vmw_is_svga_v3(vmw))
1501 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status);
1503 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT);
1506 static inline bool vmw_has_fences(struct vmw_private *vmw)
1508 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
1509 SVGA_CAP_CMD_BUFFERS_2)) != 0)
1511 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0;