vmwgfx_drv.h 50 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 OR MIT */
  2. /**************************************************************************
  3. *
  4. * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA
  5. *
  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:
  13. *
  14. * The above copyright notice and this permission notice (including the
  15. * next paragraph) shall be included in all copies or substantial portions
  16. * of the Software.
  17. *
  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.
  25. *
  26. **************************************************************************/
  27. #ifndef _VMWGFX_DRV_H_
  28. #define _VMWGFX_DRV_H_
  29. #include <linux/suspend.h>
  30. #include <linux/sync_file.h>
  31. #include <drm/drm_auth.h>
  32. #include <drm/drm_device.h>
  33. #include <drm/drm_file.h>
  34. #include <drm/drm_hashtab.h>
  35. #include <drm/drm_rect.h>
  36. #include <drm/ttm/ttm_bo_driver.h>
  37. #include <drm/ttm/ttm_execbuf_util.h>
  38. #include <drm/ttm/ttm_module.h>
  39. #include "ttm_lock.h"
  40. #include "ttm_object.h"
  41. #include "vmwgfx_fence.h"
  42. #include "vmwgfx_reg.h"
  43. #include "vmwgfx_validation.h"
  44. /*
  45. * FIXME: vmwgfx_drm.h needs to be last due to dependencies.
  46. * uapi headers should not depend on header files outside uapi/.
  47. */
  48. #include <drm/vmwgfx_drm.h>
  49. #define VMWGFX_DRIVER_NAME "vmwgfx"
  50. #define VMWGFX_DRIVER_DATE "20200114"
  51. #define VMWGFX_DRIVER_MAJOR 2
  52. #define VMWGFX_DRIVER_MINOR 18
  53. #define VMWGFX_DRIVER_PATCHLEVEL 0
  54. #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
  55. #define VMWGFX_MAX_RELOCATIONS 2048
  56. #define VMWGFX_MAX_VALIDATIONS 2048
  57. #define VMWGFX_MAX_DISPLAYS 16
  58. #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
  59. #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1
  60. /*
  61. * Perhaps we should have sysfs entries for these.
  62. */
  63. #define VMWGFX_NUM_GB_CONTEXT 256
  64. #define VMWGFX_NUM_GB_SHADER 20000
  65. #define VMWGFX_NUM_GB_SURFACE 32768
  66. #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
  67. #define VMWGFX_NUM_DXCONTEXT 256
  68. #define VMWGFX_NUM_DXQUERY 512
  69. #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
  70. VMWGFX_NUM_GB_SHADER +\
  71. VMWGFX_NUM_GB_SURFACE +\
  72. VMWGFX_NUM_GB_SCREEN_TARGET)
  73. #define VMW_PL_GMR (TTM_PL_PRIV + 0)
  74. #define VMW_PL_MOB (TTM_PL_PRIV + 1)
  75. #define VMW_RES_CONTEXT ttm_driver_type0
  76. #define VMW_RES_SURFACE ttm_driver_type1
  77. #define VMW_RES_STREAM ttm_driver_type2
  78. #define VMW_RES_FENCE ttm_driver_type3
  79. #define VMW_RES_SHADER ttm_driver_type4
  80. struct vmw_fpriv {
  81. struct ttm_object_file *tfile;
  82. bool gb_aware; /* user-space is guest-backed aware */
  83. };
  84. /**
  85. * struct vmw_buffer_object - TTM buffer object with vmwgfx additions
  86. * @base: The TTM buffer object
  87. * @res_tree: RB tree of resources using this buffer object as a backing MOB
  88. * @pin_count: pin depth
  89. * @cpu_writers: Number of synccpu write grabs. Protected by reservation when
  90. * increased. May be decreased without reservation.
  91. * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
  92. * @map: Kmap object for semi-persistent mappings
  93. * @res_prios: Eviction priority counts for attached resources
  94. * @dirty: structure for user-space dirty-tracking
  95. */
  96. struct vmw_buffer_object {
  97. struct ttm_buffer_object base;
  98. struct rb_root res_tree;
  99. s32 pin_count;
  100. atomic_t cpu_writers;
  101. /* Not ref-counted. Protected by binding_mutex */
  102. struct vmw_resource *dx_query_ctx;
  103. /* Protected by reservation */
  104. struct ttm_bo_kmap_obj map;
  105. u32 res_prios[TTM_MAX_BO_PRIORITY];
  106. struct vmw_bo_dirty *dirty;
  107. };
  108. /**
  109. * struct vmw_validate_buffer - Carries validation info about buffers.
  110. *
  111. * @base: Validation info for TTM.
  112. * @hash: Hash entry for quick lookup of the TTM buffer object.
  113. *
  114. * This structure contains also driver private validation info
  115. * on top of the info needed by TTM.
  116. */
  117. struct vmw_validate_buffer {
  118. struct ttm_validate_buffer base;
  119. struct drm_hash_item hash;
  120. bool validate_as_mob;
  121. };
  122. struct vmw_res_func;
  123. /**
  124. * struct vmw-resource - base class for hardware resources
  125. *
  126. * @kref: For refcounting.
  127. * @dev_priv: Pointer to the device private for this resource. Immutable.
  128. * @id: Device id. Protected by @dev_priv::resource_lock.
  129. * @backup_size: Backup buffer size. Immutable.
  130. * @res_dirty: Resource contains data not yet in the backup buffer. Protected
  131. * by resource reserved.
  132. * @backup_dirty: Backup buffer contains data not yet in the HW resource.
  133. * Protected by resource reserved.
  134. * @coherent: Emulate coherency by tracking vm accesses.
  135. * @backup: The backup buffer if any. Protected by resource reserved.
  136. * @backup_offset: Offset into the backup buffer if any. Protected by resource
  137. * reserved. Note that only a few resource types can have a @backup_offset
  138. * different from zero.
  139. * @pin_count: The pin count for this resource. A pinned resource has a
  140. * pin-count greater than zero. It is not on the resource LRU lists and its
  141. * backup buffer is pinned. Hence it can't be evicted.
  142. * @func: Method vtable for this resource. Immutable.
  143. * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved.
  144. * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
  145. * @binding_head: List head for the context binding list. Protected by
  146. * the @dev_priv::binding_mutex
  147. * @res_free: The resource destructor.
  148. * @hw_destroy: Callback to destroy the resource on the device, as part of
  149. * resource destruction.
  150. */
  151. struct vmw_resource_dirty;
  152. struct vmw_resource {
  153. struct kref kref;
  154. struct vmw_private *dev_priv;
  155. int id;
  156. u32 used_prio;
  157. unsigned long backup_size;
  158. u32 res_dirty : 1;
  159. u32 backup_dirty : 1;
  160. u32 coherent : 1;
  161. struct vmw_buffer_object *backup;
  162. unsigned long backup_offset;
  163. unsigned long pin_count;
  164. const struct vmw_res_func *func;
  165. struct rb_node mob_node;
  166. struct list_head lru_head;
  167. struct list_head binding_head;
  168. struct vmw_resource_dirty *dirty;
  169. void (*res_free) (struct vmw_resource *res);
  170. void (*hw_destroy) (struct vmw_resource *res);
  171. };
  172. /*
  173. * Resources that are managed using ioctls.
  174. */
  175. enum vmw_res_type {
  176. vmw_res_context,
  177. vmw_res_surface,
  178. vmw_res_stream,
  179. vmw_res_shader,
  180. vmw_res_dx_context,
  181. vmw_res_cotable,
  182. vmw_res_view,
  183. vmw_res_streamoutput,
  184. vmw_res_max
  185. };
  186. /*
  187. * Resources that are managed using command streams.
  188. */
  189. enum vmw_cmdbuf_res_type {
  190. vmw_cmdbuf_res_shader,
  191. vmw_cmdbuf_res_view,
  192. vmw_cmdbuf_res_streamoutput
  193. };
  194. struct vmw_cmdbuf_res_manager;
  195. struct vmw_cursor_snooper {
  196. size_t age;
  197. uint32_t *image;
  198. };
  199. struct vmw_framebuffer;
  200. struct vmw_surface_offset;
  201. /**
  202. * struct vmw_surface_metadata - Metadata describing a surface.
  203. *
  204. * @flags: Device flags.
  205. * @format: Surface SVGA3D_x format.
  206. * @mip_levels: Mip level for each face. For GB first index is used only.
  207. * @multisample_count: Sample count.
  208. * @multisample_pattern: Sample patterns.
  209. * @quality_level: Quality level.
  210. * @autogen_filter: Filter for automatically generated mipmaps.
  211. * @array_size: Number of array elements for a 1D/2D texture. For cubemap
  212. texture number of faces * array_size. This should be 0 for pre
  213. SM4 device.
  214. * @buffer_byte_stride: Buffer byte stride.
  215. * @num_sizes: Size of @sizes. For GB surface this should always be 1.
  216. * @base_size: Surface dimension.
  217. * @sizes: Array representing mip sizes. Legacy only.
  218. * @scanout: Whether this surface will be used for scanout.
  219. *
  220. * This tracks metadata for both legacy and guest backed surface.
  221. */
  222. struct vmw_surface_metadata {
  223. u64 flags;
  224. u32 format;
  225. u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
  226. u32 multisample_count;
  227. u32 multisample_pattern;
  228. u32 quality_level;
  229. u32 autogen_filter;
  230. u32 array_size;
  231. u32 num_sizes;
  232. u32 buffer_byte_stride;
  233. struct drm_vmw_size base_size;
  234. struct drm_vmw_size *sizes;
  235. bool scanout;
  236. };
  237. /**
  238. * struct vmw_surface: Resource structure for a surface.
  239. *
  240. * @res: The base resource for this surface.
  241. * @metadata: Metadata for this surface resource.
  242. * @snooper: Cursor data. Legacy surface only.
  243. * @offsets: Legacy surface only.
  244. * @view_list: List of views bound to this surface.
  245. */
  246. struct vmw_surface {
  247. struct vmw_resource res;
  248. struct vmw_surface_metadata metadata;
  249. struct vmw_cursor_snooper snooper;
  250. struct vmw_surface_offset *offsets;
  251. struct list_head view_list;
  252. };
  253. struct vmw_marker_queue {
  254. struct list_head head;
  255. u64 lag;
  256. u64 lag_time;
  257. spinlock_t lock;
  258. };
  259. struct vmw_fifo_state {
  260. unsigned long reserved_size;
  261. u32 *dynamic_buffer;
  262. u32 *static_buffer;
  263. unsigned long static_buffer_size;
  264. bool using_bounce_buffer;
  265. uint32_t capabilities;
  266. struct mutex fifo_mutex;
  267. struct rw_semaphore rwsem;
  268. struct vmw_marker_queue marker_queue;
  269. bool dx;
  270. };
  271. /**
  272. * struct vmw_res_cache_entry - resource information cache entry
  273. * @handle: User-space handle of a resource.
  274. * @res: Non-ref-counted pointer to the resource.
  275. * @valid_handle: Whether the @handle member is valid.
  276. * @valid: Whether the entry is valid, which also implies that the execbuf
  277. * code holds a reference to the resource, and it's placed on the
  278. * validation list.
  279. *
  280. * Used to avoid frequent repeated user-space handle lookups of the
  281. * same resource.
  282. */
  283. struct vmw_res_cache_entry {
  284. uint32_t handle;
  285. struct vmw_resource *res;
  286. void *private;
  287. unsigned short valid_handle;
  288. unsigned short valid;
  289. };
  290. /**
  291. * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
  292. */
  293. enum vmw_dma_map_mode {
  294. vmw_dma_phys, /* Use physical page addresses */
  295. vmw_dma_alloc_coherent, /* Use TTM coherent pages */
  296. vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */
  297. vmw_dma_map_bind, /* Unmap from DMA just before unbind */
  298. vmw_dma_map_max
  299. };
  300. /**
  301. * struct vmw_sg_table - Scatter/gather table for binding, with additional
  302. * device-specific information.
  303. *
  304. * @sgt: Pointer to a struct sg_table with binding information
  305. * @num_regions: Number of regions with device-address contiguous pages
  306. */
  307. struct vmw_sg_table {
  308. enum vmw_dma_map_mode mode;
  309. struct page **pages;
  310. const dma_addr_t *addrs;
  311. struct sg_table *sgt;
  312. unsigned long num_regions;
  313. unsigned long num_pages;
  314. };
  315. /**
  316. * struct vmw_piter - Page iterator that iterates over a list of pages
  317. * and DMA addresses that could be either a scatter-gather list or
  318. * arrays
  319. *
  320. * @pages: Array of page pointers to the pages.
  321. * @addrs: DMA addresses to the pages if coherent pages are used.
  322. * @iter: Scatter-gather page iterator. Current position in SG list.
  323. * @i: Current position in arrays.
  324. * @num_pages: Number of pages total.
  325. * @next: Function to advance the iterator. Returns false if past the list
  326. * of pages, true otherwise.
  327. * @dma_address: Function to return the DMA address of the current page.
  328. */
  329. struct vmw_piter {
  330. struct page **pages;
  331. const dma_addr_t *addrs;
  332. struct sg_dma_page_iter iter;
  333. unsigned long i;
  334. unsigned long num_pages;
  335. bool (*next)(struct vmw_piter *);
  336. dma_addr_t (*dma_address)(struct vmw_piter *);
  337. struct page *(*page)(struct vmw_piter *);
  338. };
  339. /*
  340. * enum vmw_display_unit_type - Describes the display unit
  341. */
  342. enum vmw_display_unit_type {
  343. vmw_du_invalid = 0,
  344. vmw_du_legacy,
  345. vmw_du_screen_object,
  346. vmw_du_screen_target
  347. };
  348. struct vmw_validation_context;
  349. struct vmw_ctx_validation_info;
  350. /**
  351. * struct vmw_sw_context - Command submission context
  352. * @res_ht: Pointer hash table used to find validation duplicates
  353. * @kernel: Whether the command buffer originates from kernel code rather
  354. * than from user-space
  355. * @fp: If @kernel is false, points to the file of the client. Otherwise
  356. * NULL
  357. * @cmd_bounce: Command bounce buffer used for command validation before
  358. * copying to fifo space
  359. * @cmd_bounce_size: Current command bounce buffer size
  360. * @cur_query_bo: Current buffer object used as query result buffer
  361. * @bo_relocations: List of buffer object relocations
  362. * @res_relocations: List of resource relocations
  363. * @buf_start: Pointer to start of memory where command validation takes
  364. * place
  365. * @res_cache: Cache of recently looked up resources
  366. * @last_query_ctx: Last context that submitted a query
  367. * @needs_post_query_barrier: Whether a query barrier is needed after
  368. * command submission
  369. * @staged_bindings: Cached per-context binding tracker
  370. * @staged_bindings_inuse: Whether the cached per-context binding tracker
  371. * is in use
  372. * @staged_cmd_res: List of staged command buffer managed resources in this
  373. * command buffer
  374. * @ctx_list: List of context resources referenced in this command buffer
  375. * @dx_ctx_node: Validation metadata of the current DX context
  376. * @dx_query_mob: The MOB used for DX queries
  377. * @dx_query_ctx: The DX context used for the last DX query
  378. * @man: Pointer to the command buffer managed resource manager
  379. * @ctx: The validation context
  380. */
  381. struct vmw_sw_context{
  382. struct drm_open_hash res_ht;
  383. bool res_ht_initialized;
  384. bool kernel;
  385. struct vmw_fpriv *fp;
  386. uint32_t *cmd_bounce;
  387. uint32_t cmd_bounce_size;
  388. struct vmw_buffer_object *cur_query_bo;
  389. struct list_head bo_relocations;
  390. struct list_head res_relocations;
  391. uint32_t *buf_start;
  392. struct vmw_res_cache_entry res_cache[vmw_res_max];
  393. struct vmw_resource *last_query_ctx;
  394. bool needs_post_query_barrier;
  395. struct vmw_ctx_binding_state *staged_bindings;
  396. bool staged_bindings_inuse;
  397. struct list_head staged_cmd_res;
  398. struct list_head ctx_list;
  399. struct vmw_ctx_validation_info *dx_ctx_node;
  400. struct vmw_buffer_object *dx_query_mob;
  401. struct vmw_resource *dx_query_ctx;
  402. struct vmw_cmdbuf_res_manager *man;
  403. struct vmw_validation_context *ctx;
  404. };
  405. struct vmw_legacy_display;
  406. struct vmw_overlay;
  407. struct vmw_vga_topology_state {
  408. uint32_t width;
  409. uint32_t height;
  410. uint32_t primary;
  411. uint32_t pos_x;
  412. uint32_t pos_y;
  413. };
  414. /*
  415. * struct vmw_otable - Guest Memory OBject table metadata
  416. *
  417. * @size: Size of the table (page-aligned).
  418. * @page_table: Pointer to a struct vmw_mob holding the page table.
  419. */
  420. struct vmw_otable {
  421. unsigned long size;
  422. struct vmw_mob *page_table;
  423. bool enabled;
  424. };
  425. struct vmw_otable_batch {
  426. unsigned num_otables;
  427. struct vmw_otable *otables;
  428. struct vmw_resource *context;
  429. struct ttm_buffer_object *otable_bo;
  430. };
  431. enum {
  432. VMW_IRQTHREAD_FENCE,
  433. VMW_IRQTHREAD_CMDBUF,
  434. VMW_IRQTHREAD_MAX
  435. };
  436. /**
  437. * enum vmw_sm_type - Graphics context capability supported by device.
  438. * @VMW_SM_LEGACY: Pre DX context.
  439. * @VMW_SM_4: Context support upto SM4.
  440. * @VMW_SM_4_1: Context support upto SM4_1.
  441. * @VMW_SM_5: Context support up to SM5.
  442. * @VMW_SM_MAX: Should be the last.
  443. */
  444. enum vmw_sm_type {
  445. VMW_SM_LEGACY = 0,
  446. VMW_SM_4,
  447. VMW_SM_4_1,
  448. VMW_SM_5,
  449. VMW_SM_MAX
  450. };
  451. struct vmw_private {
  452. struct ttm_bo_device bdev;
  453. struct vmw_fifo_state fifo;
  454. struct drm_device *dev;
  455. struct drm_vma_offset_manager vma_manager;
  456. unsigned long vmw_chipset;
  457. unsigned int io_start;
  458. uint32_t vram_start;
  459. uint32_t vram_size;
  460. uint32_t prim_bb_mem;
  461. uint32_t mmio_start;
  462. uint32_t mmio_size;
  463. uint32_t fb_max_width;
  464. uint32_t fb_max_height;
  465. uint32_t texture_max_width;
  466. uint32_t texture_max_height;
  467. uint32_t stdu_max_width;
  468. uint32_t stdu_max_height;
  469. uint32_t initial_width;
  470. uint32_t initial_height;
  471. u32 *mmio_virt;
  472. uint32_t capabilities;
  473. uint32_t capabilities2;
  474. uint32_t max_gmr_ids;
  475. uint32_t max_gmr_pages;
  476. uint32_t max_mob_pages;
  477. uint32_t max_mob_size;
  478. uint32_t memory_size;
  479. bool has_gmr;
  480. bool has_mob;
  481. spinlock_t hw_lock;
  482. spinlock_t cap_lock;
  483. bool assume_16bpp;
  484. enum vmw_sm_type sm_type;
  485. /*
  486. * Framebuffer info.
  487. */
  488. void *fb_info;
  489. enum vmw_display_unit_type active_display_unit;
  490. struct vmw_legacy_display *ldu_priv;
  491. struct vmw_overlay *overlay_priv;
  492. struct drm_property *hotplug_mode_update_property;
  493. struct drm_property *implicit_placement_property;
  494. struct mutex global_kms_state_mutex;
  495. spinlock_t cursor_lock;
  496. struct drm_atomic_state *suspend_state;
  497. /*
  498. * Context and surface management.
  499. */
  500. spinlock_t resource_lock;
  501. struct idr res_idr[vmw_res_max];
  502. /*
  503. * A resource manager for kernel-only surfaces and
  504. * contexts.
  505. */
  506. struct ttm_object_device *tdev;
  507. /*
  508. * Fencing and IRQs.
  509. */
  510. atomic_t marker_seq;
  511. wait_queue_head_t fence_queue;
  512. wait_queue_head_t fifo_queue;
  513. spinlock_t waiter_lock;
  514. int fence_queue_waiters; /* Protected by waiter_lock */
  515. int goal_queue_waiters; /* Protected by waiter_lock */
  516. int cmdbuf_waiters; /* Protected by waiter_lock */
  517. int error_waiters; /* Protected by waiter_lock */
  518. int fifo_queue_waiters; /* Protected by waiter_lock */
  519. uint32_t last_read_seqno;
  520. struct vmw_fence_manager *fman;
  521. uint32_t irq_mask; /* Updates protected by waiter_lock */
  522. /*
  523. * Device state
  524. */
  525. uint32_t traces_state;
  526. uint32_t enable_state;
  527. uint32_t config_done_state;
  528. /**
  529. * Execbuf
  530. */
  531. /**
  532. * Protected by the cmdbuf mutex.
  533. */
  534. struct vmw_sw_context ctx;
  535. struct mutex cmdbuf_mutex;
  536. struct mutex binding_mutex;
  537. /**
  538. * Operating mode.
  539. */
  540. bool stealth;
  541. bool enable_fb;
  542. spinlock_t svga_lock;
  543. /**
  544. * PM management.
  545. */
  546. struct notifier_block pm_nb;
  547. bool refuse_hibernation;
  548. bool suspend_locked;
  549. struct mutex release_mutex;
  550. atomic_t num_fifo_resources;
  551. /*
  552. * Replace this with an rwsem as soon as we have down_xx_interruptible()
  553. */
  554. struct ttm_lock reservation_sem;
  555. /*
  556. * Query processing. These members
  557. * are protected by the cmdbuf mutex.
  558. */
  559. struct vmw_buffer_object *dummy_query_bo;
  560. struct vmw_buffer_object *pinned_bo;
  561. uint32_t query_cid;
  562. uint32_t query_cid_valid;
  563. bool dummy_query_bo_pinned;
  564. /*
  565. * Surface swapping. The "surface_lru" list is protected by the
  566. * resource lock in order to be able to destroy a surface and take
  567. * it off the lru atomically. "used_memory_size" is currently
  568. * protected by the cmdbuf mutex for simplicity.
  569. */
  570. struct list_head res_lru[vmw_res_max];
  571. uint32_t used_memory_size;
  572. /*
  573. * DMA mapping stuff.
  574. */
  575. enum vmw_dma_map_mode map_mode;
  576. /*
  577. * Guest Backed stuff
  578. */
  579. struct vmw_otable_batch otable_batch;
  580. struct vmw_cmdbuf_man *cman;
  581. DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
  582. /* Validation memory reservation */
  583. struct vmw_validation_mem vvm;
  584. };
  585. static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
  586. {
  587. return container_of(res, struct vmw_surface, res);
  588. }
  589. static inline struct vmw_private *vmw_priv(struct drm_device *dev)
  590. {
  591. return (struct vmw_private *)dev->dev_private;
  592. }
  593. static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
  594. {
  595. return (struct vmw_fpriv *)file_priv->driver_priv;
  596. }
  597. /*
  598. * The locking here is fine-grained, so that it is performed once
  599. * for every read- and write operation. This is of course costly, but we
  600. * don't perform much register access in the timing critical paths anyway.
  601. * Instead we have the extra benefit of being sure that we don't forget
  602. * the hw lock around register accesses.
  603. */
  604. static inline void vmw_write(struct vmw_private *dev_priv,
  605. unsigned int offset, uint32_t value)
  606. {
  607. spin_lock(&dev_priv->hw_lock);
  608. outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  609. outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
  610. spin_unlock(&dev_priv->hw_lock);
  611. }
  612. static inline uint32_t vmw_read(struct vmw_private *dev_priv,
  613. unsigned int offset)
  614. {
  615. u32 val;
  616. spin_lock(&dev_priv->hw_lock);
  617. outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
  618. val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
  619. spin_unlock(&dev_priv->hw_lock);
  620. return val;
  621. }
  622. /**
  623. * has_sm4_context - Does the device support SM4 context.
  624. * @dev_priv: Device private.
  625. *
  626. * Return: Bool value if device support SM4 context or not.
  627. */
  628. static inline bool has_sm4_context(const struct vmw_private *dev_priv)
  629. {
  630. return (dev_priv->sm_type >= VMW_SM_4);
  631. }
  632. /**
  633. * has_sm4_1_context - Does the device support SM4_1 context.
  634. * @dev_priv: Device private.
  635. *
  636. * Return: Bool value if device support SM4_1 context or not.
  637. */
  638. static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
  639. {
  640. return (dev_priv->sm_type >= VMW_SM_4_1);
  641. }
  642. /**
  643. * has_sm5_context - Does the device support SM5 context.
  644. * @dev_priv: Device private.
  645. *
  646. * Return: Bool value if device support SM5 context or not.
  647. */
  648. static inline bool has_sm5_context(const struct vmw_private *dev_priv)
  649. {
  650. return (dev_priv->sm_type >= VMW_SM_5);
  651. }
  652. extern void vmw_svga_enable(struct vmw_private *dev_priv);
  653. extern void vmw_svga_disable(struct vmw_private *dev_priv);
  654. /**
  655. * GMR utilities - vmwgfx_gmr.c
  656. */
  657. extern int vmw_gmr_bind(struct vmw_private *dev_priv,
  658. const struct vmw_sg_table *vsgt,
  659. unsigned long num_pages,
  660. int gmr_id);
  661. extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
  662. /**
  663. * Resource utilities - vmwgfx_resource.c
  664. */
  665. struct vmw_user_resource_conv;
  666. extern void vmw_resource_unreference(struct vmw_resource **p_res);
  667. extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
  668. extern struct vmw_resource *
  669. vmw_resource_reference_unless_doomed(struct vmw_resource *res);
  670. extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
  671. bool dirtying);
  672. extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
  673. bool no_backup);
  674. extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
  675. extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
  676. struct ttm_object_file *tfile,
  677. uint32_t handle,
  678. struct vmw_surface **out_surf,
  679. struct vmw_buffer_object **out_buf);
  680. extern int vmw_user_resource_lookup_handle(
  681. struct vmw_private *dev_priv,
  682. struct ttm_object_file *tfile,
  683. uint32_t handle,
  684. const struct vmw_user_resource_conv *converter,
  685. struct vmw_resource **p_res);
  686. extern struct vmw_resource *
  687. vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv,
  688. struct ttm_object_file *tfile,
  689. uint32_t handle,
  690. const struct vmw_user_resource_conv *
  691. converter);
  692. extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
  693. struct drm_file *file_priv);
  694. extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
  695. struct drm_file *file_priv);
  696. extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
  697. struct ttm_object_file *tfile,
  698. uint32_t *inout_id,
  699. struct vmw_resource **out);
  700. extern void vmw_resource_unreserve(struct vmw_resource *res,
  701. bool dirty_set,
  702. bool dirty,
  703. bool switch_backup,
  704. struct vmw_buffer_object *new_backup,
  705. unsigned long new_backup_offset);
  706. extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
  707. struct ttm_resource *mem);
  708. extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob);
  709. extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
  710. extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo);
  711. void vmw_resource_mob_attach(struct vmw_resource *res);
  712. void vmw_resource_mob_detach(struct vmw_resource *res);
  713. void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
  714. pgoff_t end);
  715. int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start,
  716. pgoff_t end, pgoff_t *num_prefault);
  717. /**
  718. * vmw_resource_mob_attached - Whether a resource currently has a mob attached
  719. * @res: The resource
  720. *
  721. * Return: true if the resource has a mob attached, false otherwise.
  722. */
  723. static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
  724. {
  725. return !RB_EMPTY_NODE(&res->mob_node);
  726. }
  727. /**
  728. * vmw_user_resource_noref_release - release a user resource pointer looked up
  729. * without reference
  730. */
  731. static inline void vmw_user_resource_noref_release(void)
  732. {
  733. ttm_base_object_noref_release();
  734. }
  735. /**
  736. * Buffer object helper functions - vmwgfx_bo.c
  737. */
  738. extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv,
  739. struct vmw_buffer_object *bo,
  740. struct ttm_placement *placement,
  741. bool interruptible);
  742. extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv,
  743. struct vmw_buffer_object *buf,
  744. bool interruptible);
  745. extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
  746. struct vmw_buffer_object *buf,
  747. bool interruptible);
  748. extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv,
  749. struct vmw_buffer_object *bo,
  750. bool interruptible);
  751. extern int vmw_bo_unpin(struct vmw_private *vmw_priv,
  752. struct vmw_buffer_object *bo,
  753. bool interruptible);
  754. extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
  755. SVGAGuestPtr *ptr);
  756. extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
  757. extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
  758. extern int vmw_bo_init(struct vmw_private *dev_priv,
  759. struct vmw_buffer_object *vmw_bo,
  760. size_t size, struct ttm_placement *placement,
  761. bool interruptible,
  762. void (*bo_free)(struct ttm_buffer_object *bo));
  763. extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo,
  764. struct ttm_object_file *tfile);
  765. extern int vmw_user_bo_alloc(struct vmw_private *dev_priv,
  766. struct ttm_object_file *tfile,
  767. uint32_t size,
  768. bool shareable,
  769. uint32_t *handle,
  770. struct vmw_buffer_object **p_dma_buf,
  771. struct ttm_base_object **p_base);
  772. extern int vmw_user_bo_reference(struct ttm_object_file *tfile,
  773. struct vmw_buffer_object *dma_buf,
  774. uint32_t *handle);
  775. extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data,
  776. struct drm_file *file_priv);
  777. extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data,
  778. struct drm_file *file_priv);
  779. extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data,
  780. struct drm_file *file_priv);
  781. extern int vmw_user_bo_lookup(struct ttm_object_file *tfile,
  782. uint32_t id, struct vmw_buffer_object **out,
  783. struct ttm_base_object **base);
  784. extern void vmw_bo_fence_single(struct ttm_buffer_object *bo,
  785. struct vmw_fence_obj *fence);
  786. extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo);
  787. extern void vmw_bo_unmap(struct vmw_buffer_object *vbo);
  788. extern void vmw_bo_move_notify(struct ttm_buffer_object *bo,
  789. struct ttm_resource *mem);
  790. extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo);
  791. extern struct vmw_buffer_object *
  792. vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle);
  793. /**
  794. * vmw_user_bo_noref_release - release a buffer object pointer looked up
  795. * without reference
  796. */
  797. static inline void vmw_user_bo_noref_release(void)
  798. {
  799. ttm_base_object_noref_release();
  800. }
  801. /**
  802. * vmw_bo_adjust_prio - Adjust the buffer object eviction priority
  803. * according to attached resources
  804. * @vbo: The struct vmw_buffer_object
  805. */
  806. static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo)
  807. {
  808. int i = ARRAY_SIZE(vbo->res_prios);
  809. while (i--) {
  810. if (vbo->res_prios[i]) {
  811. vbo->base.priority = i;
  812. return;
  813. }
  814. }
  815. vbo->base.priority = 3;
  816. }
  817. /**
  818. * vmw_bo_prio_add - Notify a buffer object of a newly attached resource
  819. * eviction priority
  820. * @vbo: The struct vmw_buffer_object
  821. * @prio: The resource priority
  822. *
  823. * After being notified, the code assigns the highest resource eviction priority
  824. * to the backing buffer object (mob).
  825. */
  826. static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio)
  827. {
  828. if (vbo->res_prios[prio]++ == 0)
  829. vmw_bo_prio_adjust(vbo);
  830. }
  831. /**
  832. * vmw_bo_prio_del - Notify a buffer object of a resource with a certain
  833. * priority being removed
  834. * @vbo: The struct vmw_buffer_object
  835. * @prio: The resource priority
  836. *
  837. * After being notified, the code assigns the highest resource eviction priority
  838. * to the backing buffer object (mob).
  839. */
  840. static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio)
  841. {
  842. if (--vbo->res_prios[prio] == 0)
  843. vmw_bo_prio_adjust(vbo);
  844. }
  845. /**
  846. * Misc Ioctl functionality - vmwgfx_ioctl.c
  847. */
  848. extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
  849. struct drm_file *file_priv);
  850. extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
  851. struct drm_file *file_priv);
  852. extern int vmw_present_ioctl(struct drm_device *dev, void *data,
  853. struct drm_file *file_priv);
  854. extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
  855. struct drm_file *file_priv);
  856. extern __poll_t vmw_fops_poll(struct file *filp,
  857. struct poll_table_struct *wait);
  858. extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
  859. size_t count, loff_t *offset);
  860. /**
  861. * Fifo utilities - vmwgfx_fifo.c
  862. */
  863. extern int vmw_fifo_init(struct vmw_private *dev_priv,
  864. struct vmw_fifo_state *fifo);
  865. extern void vmw_fifo_release(struct vmw_private *dev_priv,
  866. struct vmw_fifo_state *fifo);
  867. extern void *
  868. vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
  869. extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
  870. extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
  871. extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
  872. uint32_t *seqno);
  873. extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
  874. extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
  875. extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
  876. extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
  877. uint32_t cid);
  878. extern int vmw_fifo_flush(struct vmw_private *dev_priv,
  879. bool interruptible);
  880. #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \
  881. ({ \
  882. vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \
  883. DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \
  884. __func__, (unsigned int) __bytes); \
  885. NULL; \
  886. }); \
  887. })
  888. #define VMW_FIFO_RESERVE(__priv, __bytes) \
  889. VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID)
  890. /**
  891. * TTM glue - vmwgfx_ttm_glue.c
  892. */
  893. extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
  894. extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
  895. size_t gran);
  896. /**
  897. * TTM buffer object driver - vmwgfx_ttm_buffer.c
  898. */
  899. extern const size_t vmw_tt_size;
  900. extern struct ttm_placement vmw_vram_placement;
  901. extern struct ttm_placement vmw_vram_ne_placement;
  902. extern struct ttm_placement vmw_vram_sys_placement;
  903. extern struct ttm_placement vmw_vram_gmr_placement;
  904. extern struct ttm_placement vmw_vram_gmr_ne_placement;
  905. extern struct ttm_placement vmw_sys_placement;
  906. extern struct ttm_placement vmw_sys_ne_placement;
  907. extern struct ttm_placement vmw_evictable_placement;
  908. extern struct ttm_placement vmw_srf_placement;
  909. extern struct ttm_placement vmw_mob_placement;
  910. extern struct ttm_placement vmw_mob_ne_placement;
  911. extern struct ttm_placement vmw_nonfixed_placement;
  912. extern struct ttm_bo_driver vmw_bo_driver;
  913. extern const struct vmw_sg_table *
  914. vmw_bo_sg_table(struct ttm_buffer_object *bo);
  915. extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
  916. unsigned long bo_size,
  917. struct ttm_buffer_object **bo_p);
  918. extern void vmw_piter_start(struct vmw_piter *viter,
  919. const struct vmw_sg_table *vsgt,
  920. unsigned long p_offs);
  921. /**
  922. * vmw_piter_next - Advance the iterator one page.
  923. *
  924. * @viter: Pointer to the iterator to advance.
  925. *
  926. * Returns false if past the list of pages, true otherwise.
  927. */
  928. static inline bool vmw_piter_next(struct vmw_piter *viter)
  929. {
  930. return viter->next(viter);
  931. }
  932. /**
  933. * vmw_piter_dma_addr - Return the DMA address of the current page.
  934. *
  935. * @viter: Pointer to the iterator
  936. *
  937. * Returns the DMA address of the page pointed to by @viter.
  938. */
  939. static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
  940. {
  941. return viter->dma_address(viter);
  942. }
  943. /**
  944. * vmw_piter_page - Return a pointer to the current page.
  945. *
  946. * @viter: Pointer to the iterator
  947. *
  948. * Returns the DMA address of the page pointed to by @viter.
  949. */
  950. static inline struct page *vmw_piter_page(struct vmw_piter *viter)
  951. {
  952. return viter->page(viter);
  953. }
  954. /**
  955. * Command submission - vmwgfx_execbuf.c
  956. */
  957. extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
  958. struct drm_file *file_priv);
  959. extern int vmw_execbuf_process(struct drm_file *file_priv,
  960. struct vmw_private *dev_priv,
  961. void __user *user_commands,
  962. void *kernel_commands,
  963. uint32_t command_size,
  964. uint64_t throttle_us,
  965. uint32_t dx_context_handle,
  966. struct drm_vmw_fence_rep __user
  967. *user_fence_rep,
  968. struct vmw_fence_obj **out_fence,
  969. uint32_t flags);
  970. extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
  971. struct vmw_fence_obj *fence);
  972. extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
  973. extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
  974. struct vmw_private *dev_priv,
  975. struct vmw_fence_obj **p_fence,
  976. uint32_t *p_handle);
  977. extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
  978. struct vmw_fpriv *vmw_fp,
  979. int ret,
  980. struct drm_vmw_fence_rep __user
  981. *user_fence_rep,
  982. struct vmw_fence_obj *fence,
  983. uint32_t fence_handle,
  984. int32_t out_fence_fd);
  985. bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
  986. /**
  987. * IRQs and wating - vmwgfx_irq.c
  988. */
  989. extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
  990. uint32_t seqno, bool interruptible,
  991. unsigned long timeout);
  992. extern int vmw_irq_install(struct drm_device *dev, int irq);
  993. extern void vmw_irq_uninstall(struct drm_device *dev);
  994. extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
  995. uint32_t seqno);
  996. extern int vmw_fallback_wait(struct vmw_private *dev_priv,
  997. bool lazy,
  998. bool fifo_idle,
  999. uint32_t seqno,
  1000. bool interruptible,
  1001. unsigned long timeout);
  1002. extern void vmw_update_seqno(struct vmw_private *dev_priv,
  1003. struct vmw_fifo_state *fifo_state);
  1004. extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
  1005. extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
  1006. extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
  1007. extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
  1008. extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
  1009. int *waiter_count);
  1010. extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
  1011. u32 flag, int *waiter_count);
  1012. /**
  1013. * Rudimentary fence-like objects currently used only for throttling -
  1014. * vmwgfx_marker.c
  1015. */
  1016. extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
  1017. extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
  1018. extern int vmw_marker_push(struct vmw_marker_queue *queue,
  1019. uint32_t seqno);
  1020. extern int vmw_marker_pull(struct vmw_marker_queue *queue,
  1021. uint32_t signaled_seqno);
  1022. extern int vmw_wait_lag(struct vmw_private *dev_priv,
  1023. struct vmw_marker_queue *queue, uint32_t us);
  1024. /**
  1025. * Kernel framebuffer - vmwgfx_fb.c
  1026. */
  1027. int vmw_fb_init(struct vmw_private *vmw_priv);
  1028. int vmw_fb_close(struct vmw_private *dev_priv);
  1029. int vmw_fb_off(struct vmw_private *vmw_priv);
  1030. int vmw_fb_on(struct vmw_private *vmw_priv);
  1031. /**
  1032. * Kernel modesetting - vmwgfx_kms.c
  1033. */
  1034. int vmw_kms_init(struct vmw_private *dev_priv);
  1035. int vmw_kms_close(struct vmw_private *dev_priv);
  1036. int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
  1037. struct drm_file *file_priv);
  1038. void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
  1039. void vmw_kms_cursor_snoop(struct vmw_surface *srf,
  1040. struct ttm_object_file *tfile,
  1041. struct ttm_buffer_object *bo,
  1042. SVGA3dCmdHeader *header);
  1043. int vmw_kms_write_svga(struct vmw_private *vmw_priv,
  1044. unsigned width, unsigned height, unsigned pitch,
  1045. unsigned bpp, unsigned depth);
  1046. bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
  1047. uint32_t pitch,
  1048. uint32_t height);
  1049. u32 vmw_get_vblank_counter(struct drm_crtc *crtc);
  1050. int vmw_enable_vblank(struct drm_crtc *crtc);
  1051. void vmw_disable_vblank(struct drm_crtc *crtc);
  1052. int vmw_kms_present(struct vmw_private *dev_priv,
  1053. struct drm_file *file_priv,
  1054. struct vmw_framebuffer *vfb,
  1055. struct vmw_surface *surface,
  1056. uint32_t sid, int32_t destX, int32_t destY,
  1057. struct drm_vmw_rect *clips,
  1058. uint32_t num_clips);
  1059. int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
  1060. struct drm_file *file_priv);
  1061. void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
  1062. int vmw_kms_suspend(struct drm_device *dev);
  1063. int vmw_kms_resume(struct drm_device *dev);
  1064. void vmw_kms_lost_device(struct drm_device *dev);
  1065. int vmw_dumb_create(struct drm_file *file_priv,
  1066. struct drm_device *dev,
  1067. struct drm_mode_create_dumb *args);
  1068. int vmw_dumb_map_offset(struct drm_file *file_priv,
  1069. struct drm_device *dev, uint32_t handle,
  1070. uint64_t *offset);
  1071. int vmw_dumb_destroy(struct drm_file *file_priv,
  1072. struct drm_device *dev,
  1073. uint32_t handle);
  1074. extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
  1075. extern void vmw_resource_unpin(struct vmw_resource *res);
  1076. extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
  1077. /**
  1078. * Overlay control - vmwgfx_overlay.c
  1079. */
  1080. int vmw_overlay_init(struct vmw_private *dev_priv);
  1081. int vmw_overlay_close(struct vmw_private *dev_priv);
  1082. int vmw_overlay_ioctl(struct drm_device *dev, void *data,
  1083. struct drm_file *file_priv);
  1084. int vmw_overlay_resume_all(struct vmw_private *dev_priv);
  1085. int vmw_overlay_pause_all(struct vmw_private *dev_priv);
  1086. int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
  1087. int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
  1088. int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
  1089. int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
  1090. /**
  1091. * GMR Id manager
  1092. */
  1093. int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
  1094. void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
  1095. /**
  1096. * Prime - vmwgfx_prime.c
  1097. */
  1098. extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
  1099. extern int vmw_prime_fd_to_handle(struct drm_device *dev,
  1100. struct drm_file *file_priv,
  1101. int fd, u32 *handle);
  1102. extern int vmw_prime_handle_to_fd(struct drm_device *dev,
  1103. struct drm_file *file_priv,
  1104. uint32_t handle, uint32_t flags,
  1105. int *prime_fd);
  1106. /*
  1107. * MemoryOBject management - vmwgfx_mob.c
  1108. */
  1109. struct vmw_mob;
  1110. extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
  1111. const struct vmw_sg_table *vsgt,
  1112. unsigned long num_data_pages, int32_t mob_id);
  1113. extern void vmw_mob_unbind(struct vmw_private *dev_priv,
  1114. struct vmw_mob *mob);
  1115. extern void vmw_mob_destroy(struct vmw_mob *mob);
  1116. extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
  1117. extern int vmw_otables_setup(struct vmw_private *dev_priv);
  1118. extern void vmw_otables_takedown(struct vmw_private *dev_priv);
  1119. /*
  1120. * Context management - vmwgfx_context.c
  1121. */
  1122. extern const struct vmw_user_resource_conv *user_context_converter;
  1123. extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
  1124. struct drm_file *file_priv);
  1125. extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
  1126. struct drm_file *file_priv);
  1127. extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
  1128. struct drm_file *file_priv);
  1129. extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
  1130. extern struct vmw_cmdbuf_res_manager *
  1131. vmw_context_res_man(struct vmw_resource *ctx);
  1132. extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
  1133. SVGACOTableType cotable_type);
  1134. extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
  1135. struct vmw_ctx_binding_state;
  1136. extern struct vmw_ctx_binding_state *
  1137. vmw_context_binding_state(struct vmw_resource *ctx);
  1138. extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
  1139. bool readback);
  1140. extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
  1141. struct vmw_buffer_object *mob);
  1142. extern struct vmw_buffer_object *
  1143. vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
  1144. /*
  1145. * Surface management - vmwgfx_surface.c
  1146. */
  1147. extern const struct vmw_user_resource_conv *user_surface_converter;
  1148. extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
  1149. struct drm_file *file_priv);
  1150. extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
  1151. struct drm_file *file_priv);
  1152. extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
  1153. struct drm_file *file_priv);
  1154. extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
  1155. struct drm_file *file_priv);
  1156. extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
  1157. struct drm_file *file_priv);
  1158. int vmw_surface_gb_priv_define(struct drm_device *dev,
  1159. uint32_t user_accounting_size,
  1160. SVGA3dSurfaceAllFlags svga3d_flags,
  1161. SVGA3dSurfaceFormat format,
  1162. bool for_scanout,
  1163. uint32_t num_mip_levels,
  1164. uint32_t multisample_count,
  1165. uint32_t array_size,
  1166. struct drm_vmw_size size,
  1167. SVGA3dMSPattern multisample_pattern,
  1168. SVGA3dMSQualityLevel quality_level,
  1169. struct vmw_surface **srf_out);
  1170. extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
  1171. void *data,
  1172. struct drm_file *file_priv);
  1173. extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
  1174. void *data,
  1175. struct drm_file *file_priv);
  1176. int vmw_gb_surface_define(struct vmw_private *dev_priv,
  1177. uint32_t user_accounting_size,
  1178. const struct vmw_surface_metadata *req,
  1179. struct vmw_surface **srf_out);
  1180. /*
  1181. * Shader management - vmwgfx_shader.c
  1182. */
  1183. extern const struct vmw_user_resource_conv *user_shader_converter;
  1184. extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
  1185. struct drm_file *file_priv);
  1186. extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
  1187. struct drm_file *file_priv);
  1188. extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
  1189. struct vmw_cmdbuf_res_manager *man,
  1190. u32 user_key, const void *bytecode,
  1191. SVGA3dShaderType shader_type,
  1192. size_t size,
  1193. struct list_head *list);
  1194. extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
  1195. u32 user_key, SVGA3dShaderType shader_type,
  1196. struct list_head *list);
  1197. extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
  1198. struct vmw_resource *ctx,
  1199. u32 user_key,
  1200. SVGA3dShaderType shader_type,
  1201. struct list_head *list);
  1202. extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
  1203. struct list_head *list,
  1204. bool readback);
  1205. extern struct vmw_resource *
  1206. vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
  1207. u32 user_key, SVGA3dShaderType shader_type);
  1208. /*
  1209. * Streamoutput management
  1210. */
  1211. struct vmw_resource *
  1212. vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
  1213. u32 user_key);
  1214. int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
  1215. struct vmw_resource *ctx,
  1216. SVGA3dStreamOutputId user_key,
  1217. struct list_head *list);
  1218. void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
  1219. int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
  1220. SVGA3dStreamOutputId user_key,
  1221. struct list_head *list);
  1222. void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
  1223. struct list_head *list,
  1224. bool readback);
  1225. /*
  1226. * Command buffer managed resources - vmwgfx_cmdbuf_res.c
  1227. */
  1228. extern struct vmw_cmdbuf_res_manager *
  1229. vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
  1230. extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
  1231. extern size_t vmw_cmdbuf_res_man_size(void);
  1232. extern struct vmw_resource *
  1233. vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
  1234. enum vmw_cmdbuf_res_type res_type,
  1235. u32 user_key);
  1236. extern void vmw_cmdbuf_res_revert(struct list_head *list);
  1237. extern void vmw_cmdbuf_res_commit(struct list_head *list);
  1238. extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
  1239. enum vmw_cmdbuf_res_type res_type,
  1240. u32 user_key,
  1241. struct vmw_resource *res,
  1242. struct list_head *list);
  1243. extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
  1244. enum vmw_cmdbuf_res_type res_type,
  1245. u32 user_key,
  1246. struct list_head *list,
  1247. struct vmw_resource **res);
  1248. /*
  1249. * COTable management - vmwgfx_cotable.c
  1250. */
  1251. extern const SVGACOTableType vmw_cotable_scrub_order[];
  1252. extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
  1253. struct vmw_resource *ctx,
  1254. u32 type);
  1255. extern int vmw_cotable_notify(struct vmw_resource *res, int id);
  1256. extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
  1257. extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
  1258. struct list_head *head);
  1259. /*
  1260. * Command buffer managerment vmwgfx_cmdbuf.c
  1261. */
  1262. struct vmw_cmdbuf_man;
  1263. struct vmw_cmdbuf_header;
  1264. extern struct vmw_cmdbuf_man *
  1265. vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
  1266. extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
  1267. size_t size, size_t default_size);
  1268. extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
  1269. extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
  1270. extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
  1271. unsigned long timeout);
  1272. extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
  1273. int ctx_id, bool interruptible,
  1274. struct vmw_cmdbuf_header *header);
  1275. extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
  1276. struct vmw_cmdbuf_header *header,
  1277. bool flush);
  1278. extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
  1279. size_t size, bool interruptible,
  1280. struct vmw_cmdbuf_header **p_header);
  1281. extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
  1282. extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
  1283. bool interruptible);
  1284. extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
  1285. /* CPU blit utilities - vmwgfx_blit.c */
  1286. /**
  1287. * struct vmw_diff_cpy - CPU blit information structure
  1288. *
  1289. * @rect: The output bounding box rectangle.
  1290. * @line: The current line of the blit.
  1291. * @line_offset: Offset of the current line segment.
  1292. * @cpp: Bytes per pixel (granularity information).
  1293. * @memcpy: Which memcpy function to use.
  1294. */
  1295. struct vmw_diff_cpy {
  1296. struct drm_rect rect;
  1297. size_t line;
  1298. size_t line_offset;
  1299. int cpp;
  1300. void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
  1301. size_t n);
  1302. };
  1303. #define VMW_CPU_BLIT_INITIALIZER { \
  1304. .do_cpy = vmw_memcpy, \
  1305. }
  1306. #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \
  1307. .line = 0, \
  1308. .line_offset = 0, \
  1309. .rect = { .x1 = INT_MAX/2, \
  1310. .y1 = INT_MAX/2, \
  1311. .x2 = INT_MIN/2, \
  1312. .y2 = INT_MIN/2 \
  1313. }, \
  1314. .cpp = _cpp, \
  1315. .do_cpy = vmw_diff_memcpy, \
  1316. }
  1317. void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
  1318. size_t n);
  1319. void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
  1320. int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
  1321. u32 dst_offset, u32 dst_stride,
  1322. struct ttm_buffer_object *src,
  1323. u32 src_offset, u32 src_stride,
  1324. u32 w, u32 h,
  1325. struct vmw_diff_cpy *diff);
  1326. /* Host messaging -vmwgfx_msg.c: */
  1327. int vmw_host_get_guestinfo(const char *guest_info_param,
  1328. char *buffer, size_t *length);
  1329. int vmw_host_log(const char *log);
  1330. int vmw_msg_ioctl(struct drm_device *dev, void *data,
  1331. struct drm_file *file_priv);
  1332. /* VMW logging */
  1333. /**
  1334. * VMW_DEBUG_USER - Debug output for user-space debugging.
  1335. *
  1336. * @fmt: printf() like format string.
  1337. *
  1338. * This macro is for logging user-space error and debugging messages for e.g.
  1339. * command buffer execution errors due to malformed commands, invalid context,
  1340. * etc.
  1341. */
  1342. #define VMW_DEBUG_USER(fmt, ...) \
  1343. DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
  1344. /* Resource dirtying - vmwgfx_page_dirty.c */
  1345. void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo);
  1346. int vmw_bo_dirty_add(struct vmw_buffer_object *vbo);
  1347. void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
  1348. void vmw_bo_dirty_clear_res(struct vmw_resource *res);
  1349. void vmw_bo_dirty_release(struct vmw_buffer_object *vbo);
  1350. void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo,
  1351. pgoff_t start, pgoff_t end);
  1352. vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
  1353. vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
  1354. #ifdef CONFIG_TRANSPARENT_HUGEPAGE
  1355. vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf,
  1356. enum page_entry_size pe_size);
  1357. #endif
  1358. /* Transparent hugepage support - vmwgfx_thp.c */
  1359. #ifdef CONFIG_TRANSPARENT_HUGEPAGE
  1360. extern int vmw_thp_init(struct vmw_private *dev_priv);
  1361. void vmw_thp_fini(struct vmw_private *dev_priv);
  1362. #endif
  1363. /**
  1364. * VMW_DEBUG_KMS - Debug output for kernel mode-setting
  1365. *
  1366. * This macro is for debugging vmwgfx mode-setting code.
  1367. */
  1368. #define VMW_DEBUG_KMS(fmt, ...) \
  1369. DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
  1370. /**
  1371. * Inline helper functions
  1372. */
  1373. static inline void vmw_surface_unreference(struct vmw_surface **srf)
  1374. {
  1375. struct vmw_surface *tmp_srf = *srf;
  1376. struct vmw_resource *res = &tmp_srf->res;
  1377. *srf = NULL;
  1378. vmw_resource_unreference(&res);
  1379. }
  1380. static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
  1381. {
  1382. (void) vmw_resource_reference(&srf->res);
  1383. return srf;
  1384. }
  1385. static inline void vmw_bo_unreference(struct vmw_buffer_object **buf)
  1386. {
  1387. struct vmw_buffer_object *tmp_buf = *buf;
  1388. *buf = NULL;
  1389. if (tmp_buf != NULL) {
  1390. ttm_bo_put(&tmp_buf->base);
  1391. }
  1392. }
  1393. static inline struct vmw_buffer_object *
  1394. vmw_bo_reference(struct vmw_buffer_object *buf)
  1395. {
  1396. ttm_bo_get(&buf->base);
  1397. return buf;
  1398. }
  1399. static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
  1400. {
  1401. return &ttm_mem_glob;
  1402. }
  1403. static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
  1404. {
  1405. atomic_inc(&dev_priv->num_fifo_resources);
  1406. }
  1407. static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
  1408. {
  1409. atomic_dec(&dev_priv->num_fifo_resources);
  1410. }
  1411. /**
  1412. * vmw_mmio_read - Perform a MMIO read from volatile memory
  1413. *
  1414. * @addr: The address to read from
  1415. *
  1416. * This function is intended to be equivalent to ioread32() on
  1417. * memremap'd memory, but without byteswapping.
  1418. */
  1419. static inline u32 vmw_mmio_read(u32 *addr)
  1420. {
  1421. return READ_ONCE(*addr);
  1422. }
  1423. /**
  1424. * vmw_mmio_write - Perform a MMIO write to volatile memory
  1425. *
  1426. * @addr: The address to write to
  1427. *
  1428. * This function is intended to be equivalent to iowrite32 on
  1429. * memremap'd memory, but without byteswapping.
  1430. */
  1431. static inline void vmw_mmio_write(u32 value, u32 *addr)
  1432. {
  1433. WRITE_ONCE(*addr, value);
  1434. }
  1435. #endif