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;
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 struct vmw_sw_context{
347 struct drm_open_hash res_ht;
348 bool res_ht_initialized;
349 bool kernel; /**< is the called made from the kernel */
350 struct vmw_fpriv *fp;
351 struct list_head validate_nodes;
352 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
354 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
355 uint32_t cur_val_buf;
356 uint32_t *cmd_bounce;
357 uint32_t cmd_bounce_size;
358 struct list_head resource_list;
359 struct vmw_dma_buffer *cur_query_bo;
360 struct list_head res_relocations;
362 struct vmw_res_cache_entry res_cache[vmw_res_max];
363 struct vmw_resource *last_query_ctx;
364 bool needs_post_query_barrier;
365 struct vmw_resource *error_resource;
366 struct vmw_ctx_binding_state staged_bindings;
367 struct list_head staged_cmd_res;
370 struct vmw_legacy_display;
374 struct ttm_lock lock;
377 struct vmw_vga_topology_state {
386 struct ttm_bo_device bdev;
387 struct ttm_bo_global_ref bo_global_ref;
388 struct drm_global_reference mem_global_ref;
390 struct vmw_fifo_state fifo;
392 struct drm_device *dev;
393 unsigned long vmw_chipset;
394 unsigned int io_start;
397 uint32_t prim_bb_mem;
400 uint32_t fb_max_width;
401 uint32_t fb_max_height;
402 uint32_t texture_max_width;
403 uint32_t texture_max_height;
404 uint32_t stdu_max_width;
405 uint32_t stdu_max_height;
406 uint32_t initial_width;
407 uint32_t initial_height;
408 u32 __iomem *mmio_virt;
410 uint32_t capabilities;
411 uint32_t max_gmr_ids;
412 uint32_t max_gmr_pages;
413 uint32_t max_mob_pages;
414 uint32_t max_mob_size;
415 uint32_t memory_size;
425 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
430 uint32_t vga_pitchlock;
432 uint32_t num_displays;
439 enum vmw_display_unit_type active_display_unit;
440 struct vmw_legacy_display *ldu_priv;
441 struct vmw_screen_object_display *sou_priv;
442 struct vmw_overlay *overlay_priv;
445 * Context and surface management.
448 rwlock_t resource_lock;
449 struct idr res_idr[vmw_res_max];
451 * Block lastclose from racing with firstopen.
454 struct mutex init_mutex;
457 * A resource manager for kernel-only surfaces and
461 struct ttm_object_device *tdev;
468 wait_queue_head_t fence_queue;
469 wait_queue_head_t fifo_queue;
470 spinlock_t waiter_lock;
471 int fence_queue_waiters; /* Protected by waiter_lock */
472 int goal_queue_waiters; /* Protected by waiter_lock */
473 int cmdbuf_waiters; /* Protected by irq_lock */
474 int error_waiters; /* Protected by irq_lock */
475 atomic_t fifo_queue_waiters;
476 uint32_t last_read_seqno;
478 struct vmw_fence_manager *fman;
485 uint32_t traces_state;
486 uint32_t enable_state;
487 uint32_t config_done_state;
493 * Protected by the cmdbuf mutex.
496 struct vmw_sw_context ctx;
497 struct mutex cmdbuf_mutex;
498 struct mutex binding_mutex;
506 spinlock_t svga_lock;
512 struct vmw_master *active_master;
513 struct vmw_master fbdev_master;
514 struct notifier_block pm_nb;
516 bool refuse_hibernation;
518 struct mutex release_mutex;
519 atomic_t num_fifo_resources;
522 * Replace this with an rwsem as soon as we have down_xx_interruptible()
524 struct ttm_lock reservation_sem;
527 * Query processing. These members
528 * are protected by the cmdbuf mutex.
531 struct vmw_dma_buffer *dummy_query_bo;
532 struct vmw_dma_buffer *pinned_bo;
534 uint32_t query_cid_valid;
535 bool dummy_query_bo_pinned;
538 * Surface swapping. The "surface_lru" list is protected by the
539 * resource lock in order to be able to destroy a surface and take
540 * it off the lru atomically. "used_memory_size" is currently
541 * protected by the cmdbuf mutex for simplicity.
544 struct list_head res_lru[vmw_res_max];
545 uint32_t used_memory_size;
550 enum vmw_dma_map_mode map_mode;
555 struct ttm_buffer_object *otable_bo;
556 struct vmw_otable *otables;
558 struct vmw_cmdbuf_man *cman;
561 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
563 return container_of(res, struct vmw_surface, res);
566 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
568 return (struct vmw_private *)dev->dev_private;
571 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
573 return (struct vmw_fpriv *)file_priv->driver_priv;
576 static inline struct vmw_master *vmw_master(struct drm_master *master)
578 return (struct vmw_master *) master->driver_priv;
582 * The locking here is fine-grained, so that it is performed once
583 * for every read- and write operation. This is of course costly, but we
584 * don't perform much register access in the timing critical paths anyway.
585 * Instead we have the extra benefit of being sure that we don't forget
586 * the hw lock around register accesses.
588 static inline void vmw_write(struct vmw_private *dev_priv,
589 unsigned int offset, uint32_t value)
591 unsigned long irq_flags;
593 spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
594 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
595 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
596 spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
599 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
602 unsigned long irq_flags;
605 spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
606 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
607 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
608 spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
613 extern void vmw_svga_enable(struct vmw_private *dev_priv);
614 extern void vmw_svga_disable(struct vmw_private *dev_priv);
618 * GMR utilities - vmwgfx_gmr.c
621 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
622 const struct vmw_sg_table *vsgt,
623 unsigned long num_pages,
625 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
628 * Resource utilities - vmwgfx_resource.c
630 struct vmw_user_resource_conv;
632 extern void vmw_resource_unreference(struct vmw_resource **p_res);
633 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
634 extern struct vmw_resource *
635 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
636 extern int vmw_resource_validate(struct vmw_resource *res);
637 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
639 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
640 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
641 struct ttm_object_file *tfile,
643 struct vmw_surface **out_surf,
644 struct vmw_dma_buffer **out_buf);
645 extern int vmw_user_resource_lookup_handle(
646 struct vmw_private *dev_priv,
647 struct ttm_object_file *tfile,
649 const struct vmw_user_resource_conv *converter,
650 struct vmw_resource **p_res);
651 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
652 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
653 struct vmw_dma_buffer *vmw_bo,
654 size_t size, struct ttm_placement *placement,
656 void (*bo_free) (struct ttm_buffer_object *bo));
657 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
658 struct ttm_object_file *tfile);
659 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
660 struct ttm_object_file *tfile,
664 struct vmw_dma_buffer **p_dma_buf);
665 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
666 struct vmw_dma_buffer *dma_buf,
668 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
669 struct drm_file *file_priv);
670 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
671 struct drm_file *file_priv);
672 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
673 struct drm_file *file_priv);
674 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
675 uint32_t cur_validate_node);
676 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
677 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
678 uint32_t id, struct vmw_dma_buffer **out);
679 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
680 struct drm_file *file_priv);
681 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
682 struct drm_file *file_priv);
683 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
684 struct ttm_object_file *tfile,
686 struct vmw_resource **out);
687 extern void vmw_resource_unreserve(struct vmw_resource *res,
688 struct vmw_dma_buffer *new_backup,
689 unsigned long new_backup_offset);
690 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
691 struct ttm_mem_reg *mem);
692 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
693 struct vmw_fence_obj *fence);
694 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
697 * DMA buffer helper routines - vmwgfx_dmabuf.c
699 extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv,
700 struct vmw_dma_buffer *bo,
701 struct ttm_placement *placement,
703 extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
704 struct vmw_dma_buffer *buf,
706 extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
707 struct vmw_dma_buffer *buf,
709 extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv,
710 struct vmw_dma_buffer *bo,
712 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
713 struct vmw_dma_buffer *bo,
715 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
717 extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin);
720 * Misc Ioctl functionality - vmwgfx_ioctl.c
723 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
724 struct drm_file *file_priv);
725 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
726 struct drm_file *file_priv);
727 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
728 struct drm_file *file_priv);
729 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
730 struct drm_file *file_priv);
731 extern unsigned int vmw_fops_poll(struct file *filp,
732 struct poll_table_struct *wait);
733 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
734 size_t count, loff_t *offset);
737 * Fifo utilities - vmwgfx_fifo.c
740 extern int vmw_fifo_init(struct vmw_private *dev_priv,
741 struct vmw_fifo_state *fifo);
742 extern void vmw_fifo_release(struct vmw_private *dev_priv,
743 struct vmw_fifo_state *fifo);
744 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
745 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
746 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
748 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason);
749 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
750 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
751 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
752 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
754 extern int vmw_fifo_flush(struct vmw_private *dev_priv,
758 * TTM glue - vmwgfx_ttm_glue.c
761 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
762 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
763 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
766 * TTM buffer object driver - vmwgfx_buffer.c
769 extern const size_t vmw_tt_size;
770 extern struct ttm_placement vmw_vram_placement;
771 extern struct ttm_placement vmw_vram_ne_placement;
772 extern struct ttm_placement vmw_vram_sys_placement;
773 extern struct ttm_placement vmw_vram_gmr_placement;
774 extern struct ttm_placement vmw_vram_gmr_ne_placement;
775 extern struct ttm_placement vmw_sys_placement;
776 extern struct ttm_placement vmw_sys_ne_placement;
777 extern struct ttm_placement vmw_evictable_placement;
778 extern struct ttm_placement vmw_srf_placement;
779 extern struct ttm_placement vmw_mob_placement;
780 extern struct ttm_placement vmw_mob_ne_placement;
781 extern struct ttm_bo_driver vmw_bo_driver;
782 extern int vmw_dma_quiescent(struct drm_device *dev);
783 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
784 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
785 extern const struct vmw_sg_table *
786 vmw_bo_sg_table(struct ttm_buffer_object *bo);
787 extern void vmw_piter_start(struct vmw_piter *viter,
788 const struct vmw_sg_table *vsgt,
789 unsigned long p_offs);
792 * vmw_piter_next - Advance the iterator one page.
794 * @viter: Pointer to the iterator to advance.
796 * Returns false if past the list of pages, true otherwise.
798 static inline bool vmw_piter_next(struct vmw_piter *viter)
800 return viter->next(viter);
804 * vmw_piter_dma_addr - Return the DMA address of the current page.
806 * @viter: Pointer to the iterator
808 * Returns the DMA address of the page pointed to by @viter.
810 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
812 return viter->dma_address(viter);
816 * vmw_piter_page - Return a pointer to the current page.
818 * @viter: Pointer to the iterator
820 * Returns the DMA address of the page pointed to by @viter.
822 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
824 return viter->page(viter);
828 * Command submission - vmwgfx_execbuf.c
831 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
832 struct drm_file *file_priv);
833 extern int vmw_execbuf_process(struct drm_file *file_priv,
834 struct vmw_private *dev_priv,
835 void __user *user_commands,
836 void *kernel_commands,
837 uint32_t command_size,
838 uint64_t throttle_us,
839 struct drm_vmw_fence_rep __user
841 struct vmw_fence_obj **out_fence);
842 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
843 struct vmw_fence_obj *fence);
844 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
846 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
847 struct vmw_private *dev_priv,
848 struct vmw_fence_obj **p_fence,
850 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
851 struct vmw_fpriv *vmw_fp,
853 struct drm_vmw_fence_rep __user
855 struct vmw_fence_obj *fence,
856 uint32_t fence_handle);
857 extern int vmw_validate_single_buffer(struct vmw_private *dev_priv,
858 struct ttm_buffer_object *bo,
860 bool validate_as_mob);
864 * IRQs and wating - vmwgfx_irq.c
867 extern irqreturn_t vmw_irq_handler(int irq, void *arg);
868 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
869 uint32_t seqno, bool interruptible,
870 unsigned long timeout);
871 extern void vmw_irq_preinstall(struct drm_device *dev);
872 extern int vmw_irq_postinstall(struct drm_device *dev);
873 extern void vmw_irq_uninstall(struct drm_device *dev);
874 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
876 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
881 unsigned long timeout);
882 extern void vmw_update_seqno(struct vmw_private *dev_priv,
883 struct vmw_fifo_state *fifo_state);
884 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
885 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
886 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
887 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
888 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
890 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
891 u32 flag, int *waiter_count);
894 * Rudimentary fence-like objects currently used only for throttling -
898 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
899 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
900 extern int vmw_marker_push(struct vmw_marker_queue *queue,
902 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
903 uint32_t signaled_seqno);
904 extern int vmw_wait_lag(struct vmw_private *dev_priv,
905 struct vmw_marker_queue *queue, uint32_t us);
908 * Kernel framebuffer - vmwgfx_fb.c
911 int vmw_fb_init(struct vmw_private *vmw_priv);
912 int vmw_fb_close(struct vmw_private *dev_priv);
913 int vmw_fb_off(struct vmw_private *vmw_priv);
914 int vmw_fb_on(struct vmw_private *vmw_priv);
917 * Kernel modesetting - vmwgfx_kms.c
920 int vmw_kms_init(struct vmw_private *dev_priv);
921 int vmw_kms_close(struct vmw_private *dev_priv);
922 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
923 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
924 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
925 struct drm_file *file_priv);
926 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
927 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
928 struct ttm_object_file *tfile,
929 struct ttm_buffer_object *bo,
930 SVGA3dCmdHeader *header);
931 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
932 unsigned width, unsigned height, unsigned pitch,
933 unsigned bpp, unsigned depth);
934 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
935 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
938 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
939 int vmw_enable_vblank(struct drm_device *dev, int crtc);
940 void vmw_disable_vblank(struct drm_device *dev, int crtc);
941 int vmw_kms_present(struct vmw_private *dev_priv,
942 struct drm_file *file_priv,
943 struct vmw_framebuffer *vfb,
944 struct vmw_surface *surface,
945 uint32_t sid, int32_t destX, int32_t destY,
946 struct drm_vmw_rect *clips,
948 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
949 struct drm_file *file_priv);
951 int vmw_dumb_create(struct drm_file *file_priv,
952 struct drm_device *dev,
953 struct drm_mode_create_dumb *args);
955 int vmw_dumb_map_offset(struct drm_file *file_priv,
956 struct drm_device *dev, uint32_t handle,
958 int vmw_dumb_destroy(struct drm_file *file_priv,
959 struct drm_device *dev,
961 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
962 extern void vmw_resource_unpin(struct vmw_resource *res);
965 * Overlay control - vmwgfx_overlay.c
968 int vmw_overlay_init(struct vmw_private *dev_priv);
969 int vmw_overlay_close(struct vmw_private *dev_priv);
970 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
971 struct drm_file *file_priv);
972 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
973 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
974 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
975 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
976 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
977 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
978 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
984 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
987 * Prime - vmwgfx_prime.c
990 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
991 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
992 struct drm_file *file_priv,
993 int fd, u32 *handle);
994 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
995 struct drm_file *file_priv,
996 uint32_t handle, uint32_t flags,
1000 * MemoryOBject management - vmwgfx_mob.c
1003 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1004 const struct vmw_sg_table *vsgt,
1005 unsigned long num_data_pages, int32_t mob_id);
1006 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1007 struct vmw_mob *mob);
1008 extern void vmw_mob_destroy(struct vmw_mob *mob);
1009 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1010 extern int vmw_otables_setup(struct vmw_private *dev_priv);
1011 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1014 * Context management - vmwgfx_context.c
1017 extern const struct vmw_user_resource_conv *user_context_converter;
1019 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
1021 extern int vmw_context_check(struct vmw_private *dev_priv,
1022 struct ttm_object_file *tfile,
1024 struct vmw_resource **p_res);
1025 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1026 struct drm_file *file_priv);
1027 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1028 struct drm_file *file_priv);
1029 extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
1030 const struct vmw_ctx_bindinfo *ci);
1032 vmw_context_binding_state_transfer(struct vmw_resource *res,
1033 struct vmw_ctx_binding_state *cbs);
1034 extern void vmw_context_binding_res_list_kill(struct list_head *head);
1035 extern void vmw_context_binding_res_list_scrub(struct list_head *head);
1036 extern int vmw_context_rebind_all(struct vmw_resource *ctx);
1037 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1038 extern struct vmw_cmdbuf_res_manager *
1039 vmw_context_res_man(struct vmw_resource *ctx);
1041 * Surface management - vmwgfx_surface.c
1044 extern const struct vmw_user_resource_conv *user_surface_converter;
1046 extern void vmw_surface_res_free(struct vmw_resource *res);
1047 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1048 struct drm_file *file_priv);
1049 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1050 struct drm_file *file_priv);
1051 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1052 struct drm_file *file_priv);
1053 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1054 struct drm_file *file_priv);
1055 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1056 struct drm_file *file_priv);
1057 extern int vmw_surface_check(struct vmw_private *dev_priv,
1058 struct ttm_object_file *tfile,
1059 uint32_t handle, int *id);
1060 extern int vmw_surface_validate(struct vmw_private *dev_priv,
1061 struct vmw_surface *srf);
1062 int vmw_surface_gb_priv_define(struct drm_device *dev,
1063 uint32_t user_accounting_size,
1064 uint32_t svga3d_flags,
1065 SVGA3dSurfaceFormat format,
1067 uint32_t num_mip_levels,
1068 uint32_t multisample_count,
1069 struct drm_vmw_size size,
1070 struct vmw_surface **srf_out);
1073 * Shader management - vmwgfx_shader.c
1076 extern const struct vmw_user_resource_conv *user_shader_converter;
1078 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1079 struct drm_file *file_priv);
1080 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1081 struct drm_file *file_priv);
1082 extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1083 struct vmw_cmdbuf_res_manager *man,
1084 u32 user_key, const void *bytecode,
1085 SVGA3dShaderType shader_type,
1087 struct list_head *list);
1088 extern int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man,
1089 u32 user_key, SVGA3dShaderType shader_type,
1090 struct list_head *list);
1091 extern struct vmw_resource *
1092 vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1093 u32 user_key, SVGA3dShaderType shader_type);
1096 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1099 extern struct vmw_cmdbuf_res_manager *
1100 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1101 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1102 extern size_t vmw_cmdbuf_res_man_size(void);
1103 extern struct vmw_resource *
1104 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1105 enum vmw_cmdbuf_res_type res_type,
1107 extern void vmw_cmdbuf_res_revert(struct list_head *list);
1108 extern void vmw_cmdbuf_res_commit(struct list_head *list);
1109 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1110 enum vmw_cmdbuf_res_type res_type,
1112 struct vmw_resource *res,
1113 struct list_head *list);
1114 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1115 enum vmw_cmdbuf_res_type res_type,
1117 struct list_head *list);
1121 * Command buffer managerment vmwgfx_cmdbuf.c
1123 struct vmw_cmdbuf_man;
1124 struct vmw_cmdbuf_header;
1126 extern struct vmw_cmdbuf_man *
1127 vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1128 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
1129 size_t size, size_t default_size);
1130 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1131 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1132 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1133 unsigned long timeout);
1134 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1135 int ctx_id, bool interruptible,
1136 struct vmw_cmdbuf_header *header);
1137 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1138 struct vmw_cmdbuf_header *header,
1140 extern void vmw_cmdbuf_tasklet_schedule(struct vmw_cmdbuf_man *man);
1141 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1142 size_t size, bool interruptible,
1143 struct vmw_cmdbuf_header **p_header);
1144 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1145 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1146 bool interruptible);
1150 * Inline helper functions
1153 static inline void vmw_surface_unreference(struct vmw_surface **srf)
1155 struct vmw_surface *tmp_srf = *srf;
1156 struct vmw_resource *res = &tmp_srf->res;
1159 vmw_resource_unreference(&res);
1162 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1164 (void) vmw_resource_reference(&srf->res);
1168 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
1170 struct vmw_dma_buffer *tmp_buf = *buf;
1173 if (tmp_buf != NULL) {
1174 struct ttm_buffer_object *bo = &tmp_buf->base;
1180 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
1182 if (ttm_bo_reference(&buf->base))
1187 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
1189 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
1192 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1194 atomic_inc(&dev_priv->num_fifo_resources);
1197 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1199 atomic_dec(&dev_priv->num_fifo_resources);