1 /**************************************************************************
3 * Copyright © 2009-2014 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,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef _VMWGFX_DRV_H_
29 #define _VMWGFX_DRV_H_
31 #include "vmwgfx_reg.h"
33 #include <drm/vmwgfx_drm.h>
34 #include <drm/drm_hashtab.h>
35 #include <linux/suspend.h>
36 #include <drm/ttm/ttm_bo_driver.h>
37 #include <drm/ttm/ttm_object.h>
38 #include <drm/ttm/ttm_lock.h>
39 #include <drm/ttm/ttm_execbuf_util.h>
40 #include <drm/ttm/ttm_module.h>
41 #include "vmwgfx_fence.h"
43 #define VMWGFX_DRIVER_DATE "20150626"
44 #define VMWGFX_DRIVER_MAJOR 2
45 #define VMWGFX_DRIVER_MINOR 7
46 #define VMWGFX_DRIVER_PATCHLEVEL 0
47 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
48 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
49 #define VMWGFX_MAX_RELOCATIONS 2048
50 #define VMWGFX_MAX_VALIDATIONS 2048
51 #define VMWGFX_MAX_DISPLAYS 16
52 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
53 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1
56 * Perhaps we should have sysfs entries for these.
58 #define VMWGFX_NUM_GB_CONTEXT 256
59 #define VMWGFX_NUM_GB_SHADER 20000
60 #define VMWGFX_NUM_GB_SURFACE 32768
61 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
62 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
63 VMWGFX_NUM_GB_SHADER +\
64 VMWGFX_NUM_GB_SURFACE +\
65 VMWGFX_NUM_GB_SCREEN_TARGET)
67 #define VMW_PL_GMR TTM_PL_PRIV0
68 #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
69 #define VMW_PL_MOB TTM_PL_PRIV1
70 #define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1
72 #define VMW_RES_CONTEXT ttm_driver_type0
73 #define VMW_RES_SURFACE ttm_driver_type1
74 #define VMW_RES_STREAM ttm_driver_type2
75 #define VMW_RES_FENCE ttm_driver_type3
76 #define VMW_RES_SHADER ttm_driver_type4
79 struct drm_master *locked_master;
80 struct ttm_object_file *tfile;
81 struct list_head fence_events;
85 struct vmw_dma_buffer {
86 struct ttm_buffer_object base;
87 struct list_head res_list;
92 * struct vmw_validate_buffer - Carries validation info about buffers.
94 * @base: Validation info for TTM.
95 * @hash: Hash entry for quick lookup of the TTM buffer object.
97 * This structure contains also driver private validation info
98 * on top of the info needed by TTM.
100 struct vmw_validate_buffer {
101 struct ttm_validate_buffer base;
102 struct drm_hash_item hash;
103 bool validate_as_mob;
107 struct vmw_resource {
109 struct vmw_private *dev_priv;
112 unsigned long backup_size;
113 bool res_dirty; /* Protected by backup buffer reserved */
114 bool backup_dirty; /* Protected by backup buffer reserved */
115 struct vmw_dma_buffer *backup;
116 unsigned long backup_offset;
117 unsigned long pin_count; /* Protected by resource reserved */
118 const struct vmw_res_func *func;
119 struct list_head lru_head; /* Protected by the resource lock */
120 struct list_head mob_head; /* Protected by @backup reserved */
121 struct list_head binding_head; /* Protected by binding_mutex */
122 void (*res_free) (struct vmw_resource *res);
123 void (*hw_destroy) (struct vmw_resource *res);
128 * Resources that are managed using ioctls.
139 * Resources that are managed using command streams.
141 enum vmw_cmdbuf_res_type {
142 vmw_cmdbuf_res_compat_shader
145 struct vmw_cmdbuf_res_manager;
147 struct vmw_cursor_snooper {
148 struct drm_crtc *crtc;
153 struct vmw_framebuffer;
154 struct vmw_surface_offset;
157 struct vmw_resource res;
160 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
161 struct drm_vmw_size base_size;
162 struct drm_vmw_size *sizes;
165 /* TODO so far just a extra pointer */
166 struct vmw_cursor_snooper snooper;
167 struct vmw_surface_offset *offsets;
168 SVGA3dTextureFilter autogen_filter;
169 uint32_t multisample_count;
172 struct vmw_marker_queue {
173 struct list_head head;
179 struct vmw_fifo_state {
180 unsigned long reserved_size;
181 __le32 *dynamic_buffer;
182 __le32 *static_buffer;
183 unsigned long static_buffer_size;
184 bool using_bounce_buffer;
185 uint32_t capabilities;
186 struct mutex fifo_mutex;
187 struct rw_semaphore rwsem;
188 struct vmw_marker_queue marker_queue;
191 struct vmw_relocation {
193 SVGAGuestPtr *location;
198 * struct vmw_res_cache_entry - resource information cache entry
200 * @valid: Whether the entry is valid, which also implies that the execbuf
201 * code holds a reference to the resource, and it's placed on the
203 * @handle: User-space handle of a resource.
204 * @res: Non-ref-counted pointer to the resource.
206 * Used to avoid frequent repeated user-space handle lookups of the
209 struct vmw_res_cache_entry {
212 struct vmw_resource *res;
213 struct vmw_resource_val_node *node;
217 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
219 enum vmw_dma_map_mode {
220 vmw_dma_phys, /* Use physical page addresses */
221 vmw_dma_alloc_coherent, /* Use TTM coherent pages */
222 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
223 vmw_dma_map_bind, /* Unmap from DMA just before unbind */
228 * struct vmw_sg_table - Scatter/gather table for binding, with additional
229 * device-specific information.
231 * @sgt: Pointer to a struct sg_table with binding information
232 * @num_regions: Number of regions with device-address contigous pages
234 struct vmw_sg_table {
235 enum vmw_dma_map_mode mode;
237 const dma_addr_t *addrs;
238 struct sg_table *sgt;
239 unsigned long num_regions;
240 unsigned long num_pages;
244 * struct vmw_piter - Page iterator that iterates over a list of pages
245 * and DMA addresses that could be either a scatter-gather list or
248 * @pages: Array of page pointers to the pages.
249 * @addrs: DMA addresses to the pages if coherent pages are used.
250 * @iter: Scatter-gather page iterator. Current position in SG list.
251 * @i: Current position in arrays.
252 * @num_pages: Number of pages total.
253 * @next: Function to advance the iterator. Returns false if past the list
254 * of pages, true otherwise.
255 * @dma_address: Function to return the DMA address of the current page.
259 const dma_addr_t *addrs;
260 struct sg_page_iter iter;
262 unsigned long num_pages;
263 bool (*next)(struct vmw_piter *);
264 dma_addr_t (*dma_address)(struct vmw_piter *);
265 struct page *(*page)(struct vmw_piter *);
269 * enum vmw_ctx_binding_type - abstract resource to context binding types
271 enum vmw_ctx_binding_type {
272 vmw_ctx_binding_shader,
279 * struct vmw_ctx_bindinfo - structure representing a single context binding
281 * @ctx: Pointer to the context structure. NULL means the binding is not
283 * @res: Non ref-counted pointer to the bound resource.
284 * @bt: The binding type.
285 * @i1: Union of information needed to unbind.
287 struct vmw_ctx_bindinfo {
288 struct vmw_resource *ctx;
289 struct vmw_resource *res;
290 enum vmw_ctx_binding_type bt;
293 SVGA3dShaderType shader_type;
294 SVGA3dRenderTargetType rt_type;
295 uint32 texture_stage;
300 * struct vmw_ctx_binding - structure representing a single context binding
301 * - suitable for tracking in a context
303 * @ctx_list: List head for context.
304 * @res_list: List head for bound resource.
307 struct vmw_ctx_binding {
308 struct list_head ctx_list;
309 struct list_head res_list;
310 struct vmw_ctx_bindinfo bi;
315 * struct vmw_ctx_binding_state - context binding state
317 * @list: linked list of individual bindings.
318 * @render_targets: Render target bindings.
319 * @texture_units: Texture units/samplers bindings.
320 * @shaders: Shader bindings.
322 * Note that this structure also provides storage space for the individual
323 * struct vmw_ctx_binding objects, so that no dynamic allocation is needed
324 * for individual bindings.
327 struct vmw_ctx_binding_state {
328 struct list_head list;
329 struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX];
330 struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS];
331 struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX];
336 * enum vmw_display_unit_type - Describes the display unit
338 enum vmw_display_unit_type {
341 vmw_du_screen_object,
346 #define VMW_QUIRK_DST_SID_OK (1U << 0)
347 #define VMW_QUIRK_SRC_SID_OK (1U << 1)
349 struct vmw_sw_context{
350 struct drm_open_hash res_ht;
351 bool res_ht_initialized;
352 bool kernel; /**< is the called made from the kernel */
353 struct vmw_fpriv *fp;
354 struct list_head validate_nodes;
355 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
357 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
358 uint32_t cur_val_buf;
359 uint32_t *cmd_bounce;
360 uint32_t cmd_bounce_size;
361 struct list_head resource_list;
362 struct vmw_dma_buffer *cur_query_bo;
363 struct list_head res_relocations;
365 struct vmw_res_cache_entry res_cache[vmw_res_max];
366 struct vmw_resource *last_query_ctx;
367 bool needs_post_query_barrier;
368 struct vmw_resource *error_resource;
369 struct vmw_ctx_binding_state staged_bindings;
370 struct list_head staged_cmd_res;
374 struct vmw_legacy_display;
378 struct ttm_lock lock;
379 struct mutex fb_surf_mutex;
380 struct list_head fb_surf;
383 struct vmw_vga_topology_state {
392 struct ttm_bo_device bdev;
393 struct ttm_bo_global_ref bo_global_ref;
394 struct drm_global_reference mem_global_ref;
396 struct vmw_fifo_state fifo;
398 struct drm_device *dev;
399 unsigned long vmw_chipset;
400 unsigned int io_start;
403 uint32_t prim_bb_mem;
406 uint32_t fb_max_width;
407 uint32_t fb_max_height;
408 uint32_t texture_max_width;
409 uint32_t texture_max_height;
410 uint32_t stdu_max_width;
411 uint32_t stdu_max_height;
412 uint32_t initial_width;
413 uint32_t initial_height;
414 __le32 __iomem *mmio_virt;
416 uint32_t capabilities;
417 uint32_t max_gmr_ids;
418 uint32_t max_gmr_pages;
419 uint32_t max_mob_pages;
420 uint32_t max_mob_size;
421 uint32_t memory_size;
431 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
436 uint32_t vga_pitchlock;
438 uint32_t num_displays;
445 enum vmw_display_unit_type active_display_unit;
446 struct vmw_legacy_display *ldu_priv;
447 struct vmw_screen_object_display *sou_priv;
448 struct vmw_overlay *overlay_priv;
451 * Context and surface management.
454 rwlock_t resource_lock;
455 struct idr res_idr[vmw_res_max];
457 * Block lastclose from racing with firstopen.
460 struct mutex init_mutex;
463 * A resource manager for kernel-only surfaces and
467 struct ttm_object_device *tdev;
474 wait_queue_head_t fence_queue;
475 wait_queue_head_t fifo_queue;
476 spinlock_t waiter_lock;
477 int fence_queue_waiters; /* Protected by waiter_lock */
478 int goal_queue_waiters; /* Protected by waiter_lock */
479 int cmdbuf_waiters; /* Protected by irq_lock */
480 int error_waiters; /* Protected by irq_lock */
481 atomic_t fifo_queue_waiters;
482 uint32_t last_read_seqno;
484 struct vmw_fence_manager *fman;
491 uint32_t traces_state;
492 uint32_t enable_state;
493 uint32_t config_done_state;
499 * Protected by the cmdbuf mutex.
502 struct vmw_sw_context ctx;
503 struct mutex cmdbuf_mutex;
504 struct mutex binding_mutex;
512 spinlock_t svga_lock;
518 struct vmw_master *active_master;
519 struct vmw_master fbdev_master;
520 struct notifier_block pm_nb;
522 bool refuse_hibernation;
524 struct mutex release_mutex;
525 atomic_t num_fifo_resources;
528 * Replace this with an rwsem as soon as we have down_xx_interruptible()
530 struct ttm_lock reservation_sem;
533 * Query processing. These members
534 * are protected by the cmdbuf mutex.
537 struct vmw_dma_buffer *dummy_query_bo;
538 struct vmw_dma_buffer *pinned_bo;
540 uint32_t query_cid_valid;
541 bool dummy_query_bo_pinned;
544 * Surface swapping. The "surface_lru" list is protected by the
545 * resource lock in order to be able to destroy a surface and take
546 * it off the lru atomically. "used_memory_size" is currently
547 * protected by the cmdbuf mutex for simplicity.
550 struct list_head res_lru[vmw_res_max];
551 uint32_t used_memory_size;
556 enum vmw_dma_map_mode map_mode;
561 struct ttm_buffer_object *otable_bo;
562 struct vmw_otable *otables;
564 struct vmw_cmdbuf_man *cman;
567 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
569 return container_of(res, struct vmw_surface, res);
572 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
574 return (struct vmw_private *)dev->dev_private;
577 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
579 return (struct vmw_fpriv *)file_priv->driver_priv;
582 static inline struct vmw_master *vmw_master(struct drm_master *master)
584 return (struct vmw_master *) master->driver_priv;
588 * The locking here is fine-grained, so that it is performed once
589 * for every read- and write operation. This is of course costly, but we
590 * don't perform much register access in the timing critical paths anyway.
591 * Instead we have the extra benefit of being sure that we don't forget
592 * the hw lock around register accesses.
594 static inline void vmw_write(struct vmw_private *dev_priv,
595 unsigned int offset, uint32_t value)
597 unsigned long irq_flags;
599 spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
600 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
601 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
602 spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
605 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
608 unsigned long irq_flags;
611 spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
612 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
613 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
614 spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
619 extern void vmw_svga_enable(struct vmw_private *dev_priv);
620 extern void vmw_svga_disable(struct vmw_private *dev_priv);
624 * GMR utilities - vmwgfx_gmr.c
627 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
628 const struct vmw_sg_table *vsgt,
629 unsigned long num_pages,
631 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
634 * Resource utilities - vmwgfx_resource.c
636 struct vmw_user_resource_conv;
638 extern void vmw_resource_unreference(struct vmw_resource **p_res);
639 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
640 extern struct vmw_resource *
641 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
642 extern int vmw_resource_validate(struct vmw_resource *res);
643 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
645 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
646 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
647 struct ttm_object_file *tfile,
649 struct vmw_surface **out_surf,
650 struct vmw_dma_buffer **out_buf);
651 extern int vmw_user_resource_lookup_handle(
652 struct vmw_private *dev_priv,
653 struct ttm_object_file *tfile,
655 const struct vmw_user_resource_conv *converter,
656 struct vmw_resource **p_res);
657 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
658 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
659 struct vmw_dma_buffer *vmw_bo,
660 size_t size, struct ttm_placement *placement,
662 void (*bo_free) (struct ttm_buffer_object *bo));
663 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
664 struct ttm_object_file *tfile);
665 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
666 struct ttm_object_file *tfile,
670 struct vmw_dma_buffer **p_dma_buf);
671 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
672 struct vmw_dma_buffer *dma_buf,
674 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
675 struct drm_file *file_priv);
676 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
677 struct drm_file *file_priv);
678 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
679 struct drm_file *file_priv);
680 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
681 uint32_t cur_validate_node);
682 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
683 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
684 uint32_t id, struct vmw_dma_buffer **out);
685 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
686 struct drm_file *file_priv);
687 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
688 struct drm_file *file_priv);
689 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
690 struct ttm_object_file *tfile,
692 struct vmw_resource **out);
693 extern void vmw_resource_unreserve(struct vmw_resource *res,
694 struct vmw_dma_buffer *new_backup,
695 unsigned long new_backup_offset);
696 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
697 struct ttm_mem_reg *mem);
698 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
699 struct vmw_fence_obj *fence);
700 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
703 * DMA buffer helper routines - vmwgfx_dmabuf.c
705 extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv,
706 struct vmw_dma_buffer *bo,
707 struct ttm_placement *placement,
709 extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
710 struct vmw_dma_buffer *buf,
712 extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
713 struct vmw_dma_buffer *buf,
715 extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv,
716 struct vmw_dma_buffer *bo,
718 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
719 struct vmw_dma_buffer *bo,
721 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
723 extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin);
726 * Misc Ioctl functionality - vmwgfx_ioctl.c
729 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
730 struct drm_file *file_priv);
731 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
732 struct drm_file *file_priv);
733 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
734 struct drm_file *file_priv);
735 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
736 struct drm_file *file_priv);
737 extern unsigned int vmw_fops_poll(struct file *filp,
738 struct poll_table_struct *wait);
739 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
740 size_t count, loff_t *offset);
743 * Fifo utilities - vmwgfx_fifo.c
746 extern int vmw_fifo_init(struct vmw_private *dev_priv,
747 struct vmw_fifo_state *fifo);
748 extern void vmw_fifo_release(struct vmw_private *dev_priv,
749 struct vmw_fifo_state *fifo);
750 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
751 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
752 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
754 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason);
755 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
756 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
757 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
758 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
760 extern int vmw_fifo_flush(struct vmw_private *dev_priv,
764 * TTM glue - vmwgfx_ttm_glue.c
767 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
768 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
769 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
772 * TTM buffer object driver - vmwgfx_buffer.c
775 extern const size_t vmw_tt_size;
776 extern struct ttm_placement vmw_vram_placement;
777 extern struct ttm_placement vmw_vram_ne_placement;
778 extern struct ttm_placement vmw_vram_sys_placement;
779 extern struct ttm_placement vmw_vram_gmr_placement;
780 extern struct ttm_placement vmw_vram_gmr_ne_placement;
781 extern struct ttm_placement vmw_sys_placement;
782 extern struct ttm_placement vmw_sys_ne_placement;
783 extern struct ttm_placement vmw_evictable_placement;
784 extern struct ttm_placement vmw_srf_placement;
785 extern struct ttm_placement vmw_mob_placement;
786 extern struct ttm_placement vmw_mob_ne_placement;
787 extern struct ttm_bo_driver vmw_bo_driver;
788 extern int vmw_dma_quiescent(struct drm_device *dev);
789 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
790 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
791 extern const struct vmw_sg_table *
792 vmw_bo_sg_table(struct ttm_buffer_object *bo);
793 extern void vmw_piter_start(struct vmw_piter *viter,
794 const struct vmw_sg_table *vsgt,
795 unsigned long p_offs);
798 * vmw_piter_next - Advance the iterator one page.
800 * @viter: Pointer to the iterator to advance.
802 * Returns false if past the list of pages, true otherwise.
804 static inline bool vmw_piter_next(struct vmw_piter *viter)
806 return viter->next(viter);
810 * vmw_piter_dma_addr - Return the DMA address of the current page.
812 * @viter: Pointer to the iterator
814 * Returns the DMA address of the page pointed to by @viter.
816 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
818 return viter->dma_address(viter);
822 * vmw_piter_page - Return a pointer to the current page.
824 * @viter: Pointer to the iterator
826 * Returns the DMA address of the page pointed to by @viter.
828 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
830 return viter->page(viter);
834 * Command submission - vmwgfx_execbuf.c
837 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
838 struct drm_file *file_priv);
839 extern int vmw_execbuf_process(struct drm_file *file_priv,
840 struct vmw_private *dev_priv,
841 void __user *user_commands,
842 void *kernel_commands,
843 uint32_t command_size,
844 uint64_t throttle_us,
846 struct drm_vmw_fence_rep __user
848 struct vmw_fence_obj **out_fence);
849 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
850 struct vmw_fence_obj *fence);
851 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
853 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
854 struct vmw_private *dev_priv,
855 struct vmw_fence_obj **p_fence,
857 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
858 struct vmw_fpriv *vmw_fp,
860 struct drm_vmw_fence_rep __user
862 struct vmw_fence_obj *fence,
863 uint32_t fence_handle);
864 extern int vmw_validate_single_buffer(struct vmw_private *dev_priv,
865 struct ttm_buffer_object *bo,
867 bool validate_as_mob);
871 * IRQs and wating - vmwgfx_irq.c
874 extern irqreturn_t vmw_irq_handler(int irq, void *arg);
875 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
876 uint32_t seqno, bool interruptible,
877 unsigned long timeout);
878 extern void vmw_irq_preinstall(struct drm_device *dev);
879 extern int vmw_irq_postinstall(struct drm_device *dev);
880 extern void vmw_irq_uninstall(struct drm_device *dev);
881 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
883 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
888 unsigned long timeout);
889 extern void vmw_update_seqno(struct vmw_private *dev_priv,
890 struct vmw_fifo_state *fifo_state);
891 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
892 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
893 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
894 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
895 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
897 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
898 u32 flag, int *waiter_count);
901 * Rudimentary fence-like objects currently used only for throttling -
905 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
906 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
907 extern int vmw_marker_push(struct vmw_marker_queue *queue,
909 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
910 uint32_t signaled_seqno);
911 extern int vmw_wait_lag(struct vmw_private *dev_priv,
912 struct vmw_marker_queue *queue, uint32_t us);
915 * Kernel framebuffer - vmwgfx_fb.c
918 int vmw_fb_init(struct vmw_private *vmw_priv);
919 int vmw_fb_close(struct vmw_private *dev_priv);
920 int vmw_fb_off(struct vmw_private *vmw_priv);
921 int vmw_fb_on(struct vmw_private *vmw_priv);
924 * Kernel modesetting - vmwgfx_kms.c
927 int vmw_kms_init(struct vmw_private *dev_priv);
928 int vmw_kms_close(struct vmw_private *dev_priv);
929 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
930 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
931 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
932 struct drm_file *file_priv);
933 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
934 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
935 struct ttm_object_file *tfile,
936 struct ttm_buffer_object *bo,
937 SVGA3dCmdHeader *header);
938 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
939 unsigned width, unsigned height, unsigned pitch,
940 unsigned bpp, unsigned depth);
941 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
942 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
945 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
946 int vmw_enable_vblank(struct drm_device *dev, int crtc);
947 void vmw_disable_vblank(struct drm_device *dev, int crtc);
948 int vmw_kms_present(struct vmw_private *dev_priv,
949 struct drm_file *file_priv,
950 struct vmw_framebuffer *vfb,
951 struct vmw_surface *surface,
952 uint32_t sid, int32_t destX, int32_t destY,
953 struct drm_vmw_rect *clips,
955 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
956 struct drm_file *file_priv);
958 int vmw_dumb_create(struct drm_file *file_priv,
959 struct drm_device *dev,
960 struct drm_mode_create_dumb *args);
962 int vmw_dumb_map_offset(struct drm_file *file_priv,
963 struct drm_device *dev, uint32_t handle,
965 int vmw_dumb_destroy(struct drm_file *file_priv,
966 struct drm_device *dev,
968 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
969 extern void vmw_resource_unpin(struct vmw_resource *res);
972 * Overlay control - vmwgfx_overlay.c
975 int vmw_overlay_init(struct vmw_private *dev_priv);
976 int vmw_overlay_close(struct vmw_private *dev_priv);
977 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
978 struct drm_file *file_priv);
979 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
980 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
981 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
982 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
983 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
984 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
985 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
991 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
994 * Prime - vmwgfx_prime.c
997 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
998 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
999 struct drm_file *file_priv,
1000 int fd, u32 *handle);
1001 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1002 struct drm_file *file_priv,
1003 uint32_t handle, uint32_t flags,
1007 * MemoryOBject management - vmwgfx_mob.c
1010 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1011 const struct vmw_sg_table *vsgt,
1012 unsigned long num_data_pages, int32_t mob_id);
1013 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1014 struct vmw_mob *mob);
1015 extern void vmw_mob_destroy(struct vmw_mob *mob);
1016 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1017 extern int vmw_otables_setup(struct vmw_private *dev_priv);
1018 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1021 * Context management - vmwgfx_context.c
1024 extern const struct vmw_user_resource_conv *user_context_converter;
1026 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
1028 extern int vmw_context_check(struct vmw_private *dev_priv,
1029 struct ttm_object_file *tfile,
1031 struct vmw_resource **p_res);
1032 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1033 struct drm_file *file_priv);
1034 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1035 struct drm_file *file_priv);
1036 extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
1037 const struct vmw_ctx_bindinfo *ci);
1039 vmw_context_binding_state_transfer(struct vmw_resource *res,
1040 struct vmw_ctx_binding_state *cbs);
1041 extern void vmw_context_binding_res_list_kill(struct list_head *head);
1042 extern void vmw_context_binding_res_list_scrub(struct list_head *head);
1043 extern int vmw_context_rebind_all(struct vmw_resource *ctx);
1044 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1045 extern struct vmw_cmdbuf_res_manager *
1046 vmw_context_res_man(struct vmw_resource *ctx);
1048 * Surface management - vmwgfx_surface.c
1051 extern const struct vmw_user_resource_conv *user_surface_converter;
1053 extern void vmw_surface_res_free(struct vmw_resource *res);
1054 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1055 struct drm_file *file_priv);
1056 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1057 struct drm_file *file_priv);
1058 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1059 struct drm_file *file_priv);
1060 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1061 struct drm_file *file_priv);
1062 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1063 struct drm_file *file_priv);
1064 extern int vmw_surface_check(struct vmw_private *dev_priv,
1065 struct ttm_object_file *tfile,
1066 uint32_t handle, int *id);
1067 extern int vmw_surface_validate(struct vmw_private *dev_priv,
1068 struct vmw_surface *srf);
1069 int vmw_surface_gb_priv_define(struct drm_device *dev,
1070 uint32_t user_accounting_size,
1071 uint32_t svga3d_flags,
1072 SVGA3dSurfaceFormat format,
1074 uint32_t num_mip_levels,
1075 uint32_t multisample_count,
1076 struct drm_vmw_size size,
1077 struct vmw_surface **srf_out);
1080 * Shader management - vmwgfx_shader.c
1083 extern const struct vmw_user_resource_conv *user_shader_converter;
1085 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1086 struct drm_file *file_priv);
1087 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1088 struct drm_file *file_priv);
1089 extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1090 struct vmw_cmdbuf_res_manager *man,
1091 u32 user_key, const void *bytecode,
1092 SVGA3dShaderType shader_type,
1094 struct list_head *list);
1095 extern int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man,
1096 u32 user_key, SVGA3dShaderType shader_type,
1097 struct list_head *list);
1098 extern struct vmw_resource *
1099 vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1100 u32 user_key, SVGA3dShaderType shader_type);
1103 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1106 extern struct vmw_cmdbuf_res_manager *
1107 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1108 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1109 extern size_t vmw_cmdbuf_res_man_size(void);
1110 extern struct vmw_resource *
1111 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1112 enum vmw_cmdbuf_res_type res_type,
1114 extern void vmw_cmdbuf_res_revert(struct list_head *list);
1115 extern void vmw_cmdbuf_res_commit(struct list_head *list);
1116 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1117 enum vmw_cmdbuf_res_type res_type,
1119 struct vmw_resource *res,
1120 struct list_head *list);
1121 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1122 enum vmw_cmdbuf_res_type res_type,
1124 struct list_head *list);
1128 * Command buffer managerment vmwgfx_cmdbuf.c
1130 struct vmw_cmdbuf_man;
1131 struct vmw_cmdbuf_header;
1133 extern struct vmw_cmdbuf_man *
1134 vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1135 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
1136 size_t size, size_t default_size);
1137 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1138 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1139 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1140 unsigned long timeout);
1141 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1142 int ctx_id, bool interruptible,
1143 struct vmw_cmdbuf_header *header);
1144 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1145 struct vmw_cmdbuf_header *header,
1147 extern void vmw_cmdbuf_tasklet_schedule(struct vmw_cmdbuf_man *man);
1148 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1149 size_t size, bool interruptible,
1150 struct vmw_cmdbuf_header **p_header);
1151 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1152 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1153 bool interruptible);
1157 * Inline helper functions
1160 static inline void vmw_surface_unreference(struct vmw_surface **srf)
1162 struct vmw_surface *tmp_srf = *srf;
1163 struct vmw_resource *res = &tmp_srf->res;
1166 vmw_resource_unreference(&res);
1169 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1171 (void) vmw_resource_reference(&srf->res);
1175 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
1177 struct vmw_dma_buffer *tmp_buf = *buf;
1180 if (tmp_buf != NULL) {
1181 struct ttm_buffer_object *bo = &tmp_buf->base;
1187 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
1189 if (ttm_bo_reference(&buf->base))
1194 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
1196 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
1199 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1201 atomic_inc(&dev_priv->num_fifo_resources);
1204 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1206 atomic_dec(&dev_priv->num_fifo_resources);