1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sub license, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial portions 17 * of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 22 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 23 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 24 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 25 * USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 **************************************************************************/ 28 29 #ifndef _VMWGFX_DRV_H_ 30 #define _VMWGFX_DRV_H_ 31 32 #include <linux/suspend.h> 33 #include <linux/sync_file.h> 34 #include <linux/hashtable.h> 35 36 #include <drm/drm_auth.h> 37 #include <drm/drm_device.h> 38 #include <drm/drm_file.h> 39 #include <drm/drm_rect.h> 40 41 #include <drm/ttm/ttm_execbuf_util.h> 42 #include <drm/ttm/ttm_tt.h> 43 #include <drm/ttm/ttm_placement.h> 44 #include <drm/ttm/ttm_bo.h> 45 46 #include "ttm_object.h" 47 48 #include "vmwgfx_fence.h" 49 #include "vmwgfx_reg.h" 50 #include "vmwgfx_validation.h" 51 52 /* 53 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 54 * uapi headers should not depend on header files outside uapi/. 55 */ 56 #include <drm/vmwgfx_drm.h> 57 58 59 #define VMWGFX_DRIVER_NAME "vmwgfx" 60 #define VMWGFX_DRIVER_DATE "20211206" 61 #define VMWGFX_DRIVER_MAJOR 2 62 #define VMWGFX_DRIVER_MINOR 20 63 #define VMWGFX_DRIVER_PATCHLEVEL 0 64 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 65 #define VMWGFX_NUM_DISPLAY_UNITS 8 66 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 67 68 #define VMWGFX_MIN_INITIAL_WIDTH 1280 69 #define VMWGFX_MIN_INITIAL_HEIGHT 800 70 71 #define VMWGFX_PCI_ID_SVGA2 0x0405 72 #define VMWGFX_PCI_ID_SVGA3 0x0406 73 74 /* 75 * This has to match get_count_order(SVGA_IRQFLAG_MAX) 76 */ 77 #define VMWGFX_MAX_NUM_IRQS 6 78 79 /* 80 * Perhaps we should have sysfs entries for these. 81 */ 82 #define VMWGFX_NUM_GB_CONTEXT 256 83 #define VMWGFX_NUM_GB_SHADER 20000 84 #define VMWGFX_NUM_GB_SURFACE 32768 85 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_NUM_DISPLAY_UNITS 86 #define VMWGFX_NUM_DXCONTEXT 256 87 #define VMWGFX_NUM_DXQUERY 512 88 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 89 VMWGFX_NUM_GB_SHADER +\ 90 VMWGFX_NUM_GB_SURFACE +\ 91 VMWGFX_NUM_GB_SCREEN_TARGET) 92 93 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 94 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 95 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 96 97 #define VMW_RES_CONTEXT ttm_driver_type0 98 #define VMW_RES_SURFACE ttm_driver_type1 99 #define VMW_RES_STREAM ttm_driver_type2 100 #define VMW_RES_FENCE ttm_driver_type3 101 #define VMW_RES_SHADER ttm_driver_type4 102 #define VMW_RES_HT_ORDER 12 103 104 #define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8 105 #define VMW_CURSOR_SNOOP_WIDTH 64 106 #define VMW_CURSOR_SNOOP_HEIGHT 64 107 108 #define MKSSTAT_CAPACITY_LOG2 5U 109 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 110 111 struct vmw_fpriv { 112 struct ttm_object_file *tfile; 113 bool gb_aware; /* user-space is guest-backed aware */ 114 }; 115 116 struct vmwgfx_hash_item { 117 struct hlist_node head; 118 unsigned long key; 119 }; 120 121 struct vmw_res_func; 122 123 /** 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 * @guest_memory_size: Guest memory buffer size. Immutable. 130 * @res_dirty: Resource contains data not yet in the guest memory buffer. 131 * Protected by resource reserved. 132 * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW 133 * resource. Protected by resource reserved. 134 * @coherent: Emulate coherency by tracking vm accesses. 135 * @guest_memory_bo: The guest memory buffer if any. Protected by resource 136 * reserved. 137 * @guest_memory_offset: Offset into the guest memory buffer if any. Protected 138 * by resource reserved. Note that only a few resource types can have a 139 * @guest_memory_offset different from zero. 140 * @pin_count: The pin count for this resource. A pinned resource has a 141 * pin-count greater than zero. It is not on the resource LRU lists and its 142 * guest memory buffer is pinned. Hence it can't be evicted. 143 * @func: Method vtable for this resource. Immutable. 144 * @mob_node; Node for the MOB guest memory rbtree. Protected by 145 * @guest_memory_bo reserved. 146 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 147 * @binding_head: List head for the context binding list. Protected by 148 * the @dev_priv::binding_mutex 149 * @res_free: The resource destructor. 150 * @hw_destroy: Callback to destroy the resource on the device, as part of 151 * resource destruction. 152 */ 153 struct vmw_bo; 154 struct vmw_bo; 155 struct vmw_resource_dirty; 156 struct vmw_resource { 157 struct kref kref; 158 struct vmw_private *dev_priv; 159 int id; 160 u32 used_prio; 161 unsigned long guest_memory_size; 162 u32 res_dirty : 1; 163 u32 guest_memory_dirty : 1; 164 u32 coherent : 1; 165 struct vmw_bo *guest_memory_bo; 166 unsigned long guest_memory_offset; 167 unsigned long pin_count; 168 const struct vmw_res_func *func; 169 struct rb_node mob_node; 170 struct list_head lru_head; 171 struct list_head binding_head; 172 struct vmw_resource_dirty *dirty; 173 void (*res_free) (struct vmw_resource *res); 174 void (*hw_destroy) (struct vmw_resource *res); 175 }; 176 177 178 /* 179 * Resources that are managed using ioctls. 180 */ 181 enum vmw_res_type { 182 vmw_res_context, 183 vmw_res_surface, 184 vmw_res_stream, 185 vmw_res_shader, 186 vmw_res_dx_context, 187 vmw_res_cotable, 188 vmw_res_view, 189 vmw_res_streamoutput, 190 vmw_res_max 191 }; 192 193 /* 194 * Resources that are managed using command streams. 195 */ 196 enum vmw_cmdbuf_res_type { 197 vmw_cmdbuf_res_shader, 198 vmw_cmdbuf_res_view, 199 vmw_cmdbuf_res_streamoutput 200 }; 201 202 struct vmw_cmdbuf_res_manager; 203 204 struct vmw_cursor_snooper { 205 size_t age; 206 uint32_t *image; 207 }; 208 209 struct vmw_framebuffer; 210 struct vmw_surface_offset; 211 212 /** 213 * struct vmw_surface_metadata - Metadata describing a surface. 214 * 215 * @flags: Device flags. 216 * @format: Surface SVGA3D_x format. 217 * @mip_levels: Mip level for each face. For GB first index is used only. 218 * @multisample_count: Sample count. 219 * @multisample_pattern: Sample patterns. 220 * @quality_level: Quality level. 221 * @autogen_filter: Filter for automatically generated mipmaps. 222 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 223 texture number of faces * array_size. This should be 0 for pre 224 SM4 device. 225 * @buffer_byte_stride: Buffer byte stride. 226 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 227 * @base_size: Surface dimension. 228 * @sizes: Array representing mip sizes. Legacy only. 229 * @scanout: Whether this surface will be used for scanout. 230 * 231 * This tracks metadata for both legacy and guest backed surface. 232 */ 233 struct vmw_surface_metadata { 234 u64 flags; 235 u32 format; 236 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 237 u32 multisample_count; 238 u32 multisample_pattern; 239 u32 quality_level; 240 u32 autogen_filter; 241 u32 array_size; 242 u32 num_sizes; 243 u32 buffer_byte_stride; 244 struct drm_vmw_size base_size; 245 struct drm_vmw_size *sizes; 246 bool scanout; 247 }; 248 249 /** 250 * struct vmw_surface: Resource structure for a surface. 251 * 252 * @res: The base resource for this surface. 253 * @metadata: Metadata for this surface resource. 254 * @snooper: Cursor data. Legacy surface only. 255 * @offsets: Legacy surface only. 256 * @view_list: List of views bound to this surface. 257 */ 258 struct vmw_surface { 259 struct vmw_resource res; 260 struct vmw_surface_metadata metadata; 261 struct vmw_cursor_snooper snooper; 262 struct vmw_surface_offset *offsets; 263 struct list_head view_list; 264 }; 265 266 struct vmw_fifo_state { 267 unsigned long reserved_size; 268 u32 *dynamic_buffer; 269 u32 *static_buffer; 270 unsigned long static_buffer_size; 271 bool using_bounce_buffer; 272 uint32_t capabilities; 273 struct mutex fifo_mutex; 274 struct rw_semaphore rwsem; 275 }; 276 277 /** 278 * struct vmw_res_cache_entry - resource information cache entry 279 * @handle: User-space handle of a resource. 280 * @res: Non-ref-counted pointer to the resource. 281 * @valid_handle: Whether the @handle member is valid. 282 * @valid: Whether the entry is valid, which also implies that the execbuf 283 * code holds a reference to the resource, and it's placed on the 284 * validation list. 285 * 286 * Used to avoid frequent repeated user-space handle lookups of the 287 * same resource. 288 */ 289 struct vmw_res_cache_entry { 290 uint32_t handle; 291 struct vmw_resource *res; 292 void *private; 293 unsigned short valid_handle; 294 unsigned short valid; 295 }; 296 297 /** 298 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 299 */ 300 enum vmw_dma_map_mode { 301 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 302 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 303 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 304 vmw_dma_map_max 305 }; 306 307 /** 308 * struct vmw_sg_table - Scatter/gather table for binding, with additional 309 * device-specific information. 310 * 311 * @sgt: Pointer to a struct sg_table with binding information 312 * @num_regions: Number of regions with device-address contiguous pages 313 */ 314 struct vmw_sg_table { 315 enum vmw_dma_map_mode mode; 316 struct page **pages; 317 const dma_addr_t *addrs; 318 struct sg_table *sgt; 319 unsigned long num_pages; 320 }; 321 322 /** 323 * struct vmw_piter - Page iterator that iterates over a list of pages 324 * and DMA addresses that could be either a scatter-gather list or 325 * arrays 326 * 327 * @pages: Array of page pointers to the pages. 328 * @addrs: DMA addresses to the pages if coherent pages are used. 329 * @iter: Scatter-gather page iterator. Current position in SG list. 330 * @i: Current position in arrays. 331 * @num_pages: Number of pages total. 332 * @next: Function to advance the iterator. Returns false if past the list 333 * of pages, true otherwise. 334 * @dma_address: Function to return the DMA address of the current page. 335 */ 336 struct vmw_piter { 337 struct page **pages; 338 const dma_addr_t *addrs; 339 struct sg_dma_page_iter iter; 340 unsigned long i; 341 unsigned long num_pages; 342 bool (*next)(struct vmw_piter *); 343 dma_addr_t (*dma_address)(struct vmw_piter *); 344 }; 345 346 347 struct vmw_ttm_tt { 348 struct ttm_tt dma_ttm; 349 struct vmw_private *dev_priv; 350 int gmr_id; 351 struct vmw_mob *mob; 352 int mem_type; 353 struct sg_table sgt; 354 struct vmw_sg_table vsgt; 355 bool mapped; 356 bool bound; 357 }; 358 359 /* 360 * enum vmw_display_unit_type - Describes the display unit 361 */ 362 enum vmw_display_unit_type { 363 vmw_du_invalid = 0, 364 vmw_du_legacy, 365 vmw_du_screen_object, 366 vmw_du_screen_target, 367 vmw_du_max 368 }; 369 370 struct vmw_validation_context; 371 struct vmw_ctx_validation_info; 372 373 /** 374 * struct vmw_sw_context - Command submission context 375 * @res_ht: Pointer hash table used to find validation duplicates 376 * @kernel: Whether the command buffer originates from kernel code rather 377 * than from user-space 378 * @fp: If @kernel is false, points to the file of the client. Otherwise 379 * NULL 380 * @cmd_bounce: Command bounce buffer used for command validation before 381 * copying to fifo space 382 * @cmd_bounce_size: Current command bounce buffer size 383 * @cur_query_bo: Current buffer object used as query result buffer 384 * @bo_relocations: List of buffer object relocations 385 * @res_relocations: List of resource relocations 386 * @buf_start: Pointer to start of memory where command validation takes 387 * place 388 * @res_cache: Cache of recently looked up resources 389 * @last_query_ctx: Last context that submitted a query 390 * @needs_post_query_barrier: Whether a query barrier is needed after 391 * command submission 392 * @staged_bindings: Cached per-context binding tracker 393 * @staged_bindings_inuse: Whether the cached per-context binding tracker 394 * is in use 395 * @staged_cmd_res: List of staged command buffer managed resources in this 396 * command buffer 397 * @ctx_list: List of context resources referenced in this command buffer 398 * @dx_ctx_node: Validation metadata of the current DX context 399 * @dx_query_mob: The MOB used for DX queries 400 * @dx_query_ctx: The DX context used for the last DX query 401 * @man: Pointer to the command buffer managed resource manager 402 * @ctx: The validation context 403 */ 404 struct vmw_sw_context{ 405 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER); 406 bool kernel; 407 struct vmw_fpriv *fp; 408 struct drm_file *filp; 409 uint32_t *cmd_bounce; 410 uint32_t cmd_bounce_size; 411 struct vmw_bo *cur_query_bo; 412 struct list_head bo_relocations; 413 struct list_head res_relocations; 414 uint32_t *buf_start; 415 struct vmw_res_cache_entry res_cache[vmw_res_max]; 416 struct vmw_resource *last_query_ctx; 417 bool needs_post_query_barrier; 418 struct vmw_ctx_binding_state *staged_bindings; 419 bool staged_bindings_inuse; 420 struct list_head staged_cmd_res; 421 struct list_head ctx_list; 422 struct vmw_ctx_validation_info *dx_ctx_node; 423 struct vmw_bo *dx_query_mob; 424 struct vmw_resource *dx_query_ctx; 425 struct vmw_cmdbuf_res_manager *man; 426 struct vmw_validation_context *ctx; 427 }; 428 429 struct vmw_legacy_display; 430 struct vmw_overlay; 431 432 /* 433 * struct vmw_otable - Guest Memory OBject table metadata 434 * 435 * @size: Size of the table (page-aligned). 436 * @page_table: Pointer to a struct vmw_mob holding the page table. 437 */ 438 struct vmw_otable { 439 unsigned long size; 440 struct vmw_mob *page_table; 441 bool enabled; 442 }; 443 444 struct vmw_otable_batch { 445 unsigned num_otables; 446 struct vmw_otable *otables; 447 struct vmw_resource *context; 448 struct vmw_bo *otable_bo; 449 }; 450 451 enum { 452 VMW_IRQTHREAD_FENCE, 453 VMW_IRQTHREAD_CMDBUF, 454 VMW_IRQTHREAD_MAX 455 }; 456 457 /** 458 * enum vmw_sm_type - Graphics context capability supported by device. 459 * @VMW_SM_LEGACY: Pre DX context. 460 * @VMW_SM_4: Context support upto SM4. 461 * @VMW_SM_4_1: Context support upto SM4_1. 462 * @VMW_SM_5: Context support up to SM5. 463 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 464 * @VMW_SM_MAX: Should be the last. 465 */ 466 enum vmw_sm_type { 467 VMW_SM_LEGACY = 0, 468 VMW_SM_4, 469 VMW_SM_4_1, 470 VMW_SM_5, 471 VMW_SM_5_1X, 472 VMW_SM_MAX 473 }; 474 475 struct vmw_private { 476 struct drm_device drm; 477 struct ttm_device bdev; 478 479 u32 pci_id; 480 resource_size_t io_start; 481 resource_size_t vram_start; 482 resource_size_t vram_size; 483 resource_size_t max_primary_mem; 484 u32 __iomem *rmmio; 485 u32 *fifo_mem; 486 resource_size_t fifo_mem_size; 487 uint32_t fb_max_width; 488 uint32_t fb_max_height; 489 uint32_t texture_max_width; 490 uint32_t texture_max_height; 491 uint32_t stdu_max_width; 492 uint32_t stdu_max_height; 493 uint32_t initial_width; 494 uint32_t initial_height; 495 uint32_t capabilities; 496 uint32_t capabilities2; 497 uint32_t max_gmr_ids; 498 uint32_t max_gmr_pages; 499 uint32_t max_mob_pages; 500 uint32_t max_mob_size; 501 uint32_t memory_size; 502 bool has_gmr; 503 bool has_mob; 504 spinlock_t hw_lock; 505 bool assume_16bpp; 506 u32 irqs[VMWGFX_MAX_NUM_IRQS]; 507 u32 num_irq_vectors; 508 509 enum vmw_sm_type sm_type; 510 511 /* 512 * Framebuffer info. 513 */ 514 515 enum vmw_display_unit_type active_display_unit; 516 struct vmw_legacy_display *ldu_priv; 517 struct vmw_overlay *overlay_priv; 518 struct drm_property *hotplug_mode_update_property; 519 struct drm_property *implicit_placement_property; 520 spinlock_t cursor_lock; 521 struct drm_atomic_state *suspend_state; 522 523 /* 524 * Context and surface management. 525 */ 526 527 spinlock_t resource_lock; 528 struct idr res_idr[vmw_res_max]; 529 530 /* 531 * A resource manager for kernel-only surfaces and 532 * contexts. 533 */ 534 535 struct ttm_object_device *tdev; 536 537 /* 538 * Fencing and IRQs. 539 */ 540 541 atomic_t marker_seq; 542 wait_queue_head_t fence_queue; 543 wait_queue_head_t fifo_queue; 544 spinlock_t waiter_lock; 545 int fence_queue_waiters; /* Protected by waiter_lock */ 546 int goal_queue_waiters; /* Protected by waiter_lock */ 547 int cmdbuf_waiters; /* Protected by waiter_lock */ 548 int error_waiters; /* Protected by waiter_lock */ 549 int fifo_queue_waiters; /* Protected by waiter_lock */ 550 uint32_t last_read_seqno; 551 struct vmw_fence_manager *fman; 552 uint32_t irq_mask; /* Updates protected by waiter_lock */ 553 554 /* 555 * Device state 556 */ 557 558 uint32_t traces_state; 559 uint32_t enable_state; 560 uint32_t config_done_state; 561 562 /** 563 * Execbuf 564 */ 565 /** 566 * Protected by the cmdbuf mutex. 567 */ 568 569 struct vmw_sw_context ctx; 570 struct mutex cmdbuf_mutex; 571 struct mutex binding_mutex; 572 573 /** 574 * PM management. 575 */ 576 struct notifier_block pm_nb; 577 bool refuse_hibernation; 578 bool suspend_locked; 579 580 atomic_t num_fifo_resources; 581 582 /* 583 * Query processing. These members 584 * are protected by the cmdbuf mutex. 585 */ 586 587 struct vmw_bo *dummy_query_bo; 588 struct vmw_bo *pinned_bo; 589 uint32_t query_cid; 590 uint32_t query_cid_valid; 591 bool dummy_query_bo_pinned; 592 593 /* 594 * Surface swapping. The "surface_lru" list is protected by the 595 * resource lock in order to be able to destroy a surface and take 596 * it off the lru atomically. "used_memory_size" is currently 597 * protected by the cmdbuf mutex for simplicity. 598 */ 599 600 struct list_head res_lru[vmw_res_max]; 601 uint32_t used_memory_size; 602 603 /* 604 * DMA mapping stuff. 605 */ 606 enum vmw_dma_map_mode map_mode; 607 608 /* 609 * Guest Backed stuff 610 */ 611 struct vmw_otable_batch otable_batch; 612 613 struct vmw_fifo_state *fifo; 614 struct vmw_cmdbuf_man *cman; 615 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 616 617 uint32 *devcaps; 618 619 bool vkms_enabled; 620 struct workqueue_struct *crc_workq; 621 622 /* 623 * mksGuestStat instance-descriptor and pid arrays 624 */ 625 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 626 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 627 628 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 629 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 630 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 631 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 632 #endif 633 }; 634 635 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 636 { 637 return container_of(res, struct vmw_surface, res); 638 } 639 640 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 641 { 642 return (struct vmw_private *)dev->dev_private; 643 } 644 645 static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev) 646 { 647 return container_of(bdev, struct vmw_private, bdev); 648 } 649 650 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 651 { 652 return (struct vmw_fpriv *)file_priv->driver_priv; 653 } 654 655 /* 656 * SVGA v3 has mmio register access and lacks fifo cmds 657 */ 658 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 659 { 660 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 661 } 662 663 /* 664 * The locking here is fine-grained, so that it is performed once 665 * for every read- and write operation. This is of course costly, but we 666 * don't perform much register access in the timing critical paths anyway. 667 * Instead we have the extra benefit of being sure that we don't forget 668 * the hw lock around register accesses. 669 */ 670 static inline void vmw_write(struct vmw_private *dev_priv, 671 unsigned int offset, uint32_t value) 672 { 673 if (vmw_is_svga_v3(dev_priv)) { 674 iowrite32(value, dev_priv->rmmio + offset); 675 } else { 676 spin_lock(&dev_priv->hw_lock); 677 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 678 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 679 spin_unlock(&dev_priv->hw_lock); 680 } 681 } 682 683 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 684 unsigned int offset) 685 { 686 u32 val; 687 688 if (vmw_is_svga_v3(dev_priv)) { 689 val = ioread32(dev_priv->rmmio + offset); 690 } else { 691 spin_lock(&dev_priv->hw_lock); 692 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 693 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 694 spin_unlock(&dev_priv->hw_lock); 695 } 696 697 return val; 698 } 699 700 /** 701 * has_sm4_context - Does the device support SM4 context. 702 * @dev_priv: Device private. 703 * 704 * Return: Bool value if device support SM4 context or not. 705 */ 706 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 707 { 708 return (dev_priv->sm_type >= VMW_SM_4); 709 } 710 711 /** 712 * has_sm4_1_context - Does the device support SM4_1 context. 713 * @dev_priv: Device private. 714 * 715 * Return: Bool value if device support SM4_1 context or not. 716 */ 717 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 718 { 719 return (dev_priv->sm_type >= VMW_SM_4_1); 720 } 721 722 /** 723 * has_sm5_context - Does the device support SM5 context. 724 * @dev_priv: Device private. 725 * 726 * Return: Bool value if device support SM5 context or not. 727 */ 728 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 729 { 730 return (dev_priv->sm_type >= VMW_SM_5); 731 } 732 733 /** 734 * has_gl43_context - Does the device support GL43 context. 735 * @dev_priv: Device private. 736 * 737 * Return: Bool value if device support SM5 context or not. 738 */ 739 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 740 { 741 return (dev_priv->sm_type >= VMW_SM_5_1X); 742 } 743 744 745 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 746 { 747 return (has_gl43_context(dev_priv) ? 748 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 749 } 750 751 extern void vmw_svga_enable(struct vmw_private *dev_priv); 752 extern void vmw_svga_disable(struct vmw_private *dev_priv); 753 bool vmwgfx_supported(struct vmw_private *vmw); 754 755 756 /** 757 * GMR utilities - vmwgfx_gmr.c 758 */ 759 760 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 761 const struct vmw_sg_table *vsgt, 762 unsigned long num_pages, 763 int gmr_id); 764 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 765 766 /** 767 * User handles 768 */ 769 struct vmw_user_object { 770 struct vmw_surface *surface; 771 struct vmw_bo *buffer; 772 }; 773 774 int vmw_user_object_lookup(struct vmw_private *dev_priv, struct drm_file *filp, 775 u32 handle, struct vmw_user_object *uo); 776 struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo); 777 void vmw_user_object_unref(struct vmw_user_object *uo); 778 bool vmw_user_object_is_null(struct vmw_user_object *uo); 779 struct vmw_surface *vmw_user_object_surface(struct vmw_user_object *uo); 780 struct vmw_bo *vmw_user_object_buffer(struct vmw_user_object *uo); 781 void *vmw_user_object_map(struct vmw_user_object *uo); 782 void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size); 783 void vmw_user_object_unmap(struct vmw_user_object *uo); 784 bool vmw_user_object_is_mapped(struct vmw_user_object *uo); 785 786 /** 787 * Resource utilities - vmwgfx_resource.c 788 */ 789 struct vmw_user_resource_conv; 790 791 extern void vmw_resource_unreference(struct vmw_resource **p_res); 792 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 793 extern struct vmw_resource * 794 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 795 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 796 bool dirtying); 797 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 798 bool no_backup); 799 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 800 extern int vmw_user_resource_lookup_handle( 801 struct vmw_private *dev_priv, 802 struct ttm_object_file *tfile, 803 uint32_t handle, 804 const struct vmw_user_resource_conv *converter, 805 struct vmw_resource **p_res); 806 807 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 808 struct drm_file *file_priv); 809 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 810 struct drm_file *file_priv); 811 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 812 struct ttm_object_file *tfile, 813 uint32_t *inout_id, 814 struct vmw_resource **out); 815 extern void vmw_resource_unreserve(struct vmw_resource *res, 816 bool dirty_set, 817 bool dirty, 818 bool switch_guest_memory, 819 struct vmw_bo *new_guest_memory, 820 unsigned long new_guest_memory_offset); 821 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 822 struct ttm_resource *old_mem, 823 struct ttm_resource *new_mem); 824 int vmw_query_readback_all(struct vmw_bo *dx_query_mob); 825 void vmw_resource_evict_all(struct vmw_private *dev_priv); 826 void vmw_resource_unbind_list(struct vmw_bo *vbo); 827 void vmw_resource_mob_attach(struct vmw_resource *res); 828 void vmw_resource_mob_detach(struct vmw_resource *res); 829 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 830 pgoff_t end); 831 int vmw_resource_clean(struct vmw_resource *res); 832 int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start, 833 pgoff_t end, pgoff_t *num_prefault); 834 835 /** 836 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 837 * @res: The resource 838 * 839 * Return: true if the resource has a mob attached, false otherwise. 840 */ 841 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 842 { 843 return !RB_EMPTY_NODE(&res->mob_node); 844 } 845 846 /** 847 * GEM related functionality - vmwgfx_gem.c 848 */ 849 struct vmw_bo_params; 850 int vmw_gem_object_create(struct vmw_private *vmw, 851 struct vmw_bo_params *params, 852 struct vmw_bo **p_vbo); 853 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 854 struct drm_file *filp, 855 uint32_t size, 856 uint32_t *handle, 857 struct vmw_bo **p_vbo); 858 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 859 struct drm_file *filp); 860 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 861 862 /** 863 * Misc Ioctl functionality - vmwgfx_ioctl.c 864 */ 865 866 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 867 struct drm_file *file_priv); 868 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 869 struct drm_file *file_priv); 870 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 871 struct drm_file *file_priv); 872 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 873 struct drm_file *file_priv); 874 875 /** 876 * Fifo utilities - vmwgfx_fifo.c 877 */ 878 879 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 880 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 881 extern bool vmw_cmd_supported(struct vmw_private *vmw); 882 extern void * 883 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 884 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 885 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 886 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 887 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 888 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 889 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 890 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 891 uint32_t cid); 892 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 893 bool interruptible); 894 895 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 896 ({ \ 897 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 898 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 899 __func__, (unsigned int) __bytes); \ 900 NULL; \ 901 }); \ 902 }) 903 904 #define VMW_CMD_RESERVE(__priv, __bytes) \ 905 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 906 907 908 /** 909 * vmw_fifo_caps - Returns the capabilities of the FIFO command 910 * queue or 0 if fifo memory isn't present. 911 * @dev_priv: The device private context 912 */ 913 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 914 { 915 if (!dev_priv->fifo_mem || !dev_priv->fifo) 916 return 0; 917 return dev_priv->fifo->capabilities; 918 } 919 920 921 /** 922 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 923 * is enabled in the FIFO. 924 * @dev_priv: The device private context 925 */ 926 static inline bool 927 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 928 { 929 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 930 } 931 932 /** 933 * TTM buffer object driver - vmwgfx_ttm_buffer.c 934 */ 935 936 extern const size_t vmw_tt_size; 937 extern struct ttm_placement vmw_vram_placement; 938 extern struct ttm_placement vmw_sys_placement; 939 extern struct ttm_device_funcs vmw_bo_driver; 940 extern const struct vmw_sg_table * 941 vmw_bo_sg_table(struct ttm_buffer_object *bo); 942 int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 943 size_t bo_size, 944 u32 domain, 945 struct vmw_bo **bo_p); 946 947 extern void vmw_piter_start(struct vmw_piter *viter, 948 const struct vmw_sg_table *vsgt, 949 unsigned long p_offs); 950 951 /** 952 * vmw_piter_next - Advance the iterator one page. 953 * 954 * @viter: Pointer to the iterator to advance. 955 * 956 * Returns false if past the list of pages, true otherwise. 957 */ 958 static inline bool vmw_piter_next(struct vmw_piter *viter) 959 { 960 return viter->next(viter); 961 } 962 963 /** 964 * vmw_piter_dma_addr - Return the DMA address of the current page. 965 * 966 * @viter: Pointer to the iterator 967 * 968 * Returns the DMA address of the page pointed to by @viter. 969 */ 970 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 971 { 972 return viter->dma_address(viter); 973 } 974 975 /** 976 * vmw_piter_page - Return a pointer to the current page. 977 * 978 * @viter: Pointer to the iterator 979 * 980 * Returns the DMA address of the page pointed to by @viter. 981 */ 982 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 983 { 984 return viter->pages[viter->i]; 985 } 986 987 /** 988 * Command submission - vmwgfx_execbuf.c 989 */ 990 991 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 992 struct drm_file *file_priv); 993 extern int vmw_execbuf_process(struct drm_file *file_priv, 994 struct vmw_private *dev_priv, 995 void __user *user_commands, 996 void *kernel_commands, 997 uint32_t command_size, 998 uint64_t throttle_us, 999 uint32_t dx_context_handle, 1000 struct drm_vmw_fence_rep __user 1001 *user_fence_rep, 1002 struct vmw_fence_obj **out_fence, 1003 uint32_t flags); 1004 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1005 struct vmw_fence_obj *fence); 1006 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1007 1008 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1009 struct vmw_private *dev_priv, 1010 struct vmw_fence_obj **p_fence, 1011 uint32_t *p_handle); 1012 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1013 struct vmw_fpriv *vmw_fp, 1014 int ret, 1015 struct drm_vmw_fence_rep __user 1016 *user_fence_rep, 1017 struct vmw_fence_obj *fence, 1018 uint32_t fence_handle, 1019 int32_t out_fence_fd); 1020 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1021 1022 /** 1023 * IRQs and wating - vmwgfx_irq.c 1024 */ 1025 1026 extern int vmw_irq_install(struct vmw_private *dev_priv); 1027 extern void vmw_irq_uninstall(struct drm_device *dev); 1028 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1029 uint32_t seqno); 1030 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1031 bool lazy, 1032 bool fifo_idle, 1033 uint32_t seqno, 1034 bool interruptible, 1035 unsigned long timeout); 1036 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1037 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1038 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1039 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1040 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1041 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1042 int *waiter_count); 1043 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1044 u32 flag, int *waiter_count); 1045 1046 /** 1047 * Kernel modesetting - vmwgfx_kms.c 1048 */ 1049 1050 int vmw_kms_init(struct vmw_private *dev_priv); 1051 int vmw_kms_close(struct vmw_private *dev_priv); 1052 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1053 struct drm_file *file_priv); 1054 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1055 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1056 struct ttm_object_file *tfile, 1057 struct ttm_buffer_object *bo, 1058 SVGA3dCmdHeader *header); 1059 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1060 unsigned width, unsigned height, unsigned pitch, 1061 unsigned bpp, unsigned depth); 1062 int vmw_kms_present(struct vmw_private *dev_priv, 1063 struct drm_file *file_priv, 1064 struct vmw_framebuffer *vfb, 1065 struct vmw_surface *surface, 1066 uint32_t sid, int32_t destX, int32_t destY, 1067 struct drm_vmw_rect *clips, 1068 uint32_t num_clips); 1069 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1070 struct drm_file *file_priv); 1071 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1072 int vmw_kms_suspend(struct drm_device *dev); 1073 int vmw_kms_resume(struct drm_device *dev); 1074 void vmw_kms_lost_device(struct drm_device *dev); 1075 1076 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1077 extern void vmw_resource_unpin(struct vmw_resource *res); 1078 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1079 1080 /** 1081 * Overlay control - vmwgfx_overlay.c 1082 */ 1083 1084 int vmw_overlay_init(struct vmw_private *dev_priv); 1085 int vmw_overlay_close(struct vmw_private *dev_priv); 1086 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1087 struct drm_file *file_priv); 1088 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1089 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1090 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1091 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1092 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1093 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1094 1095 /** 1096 * GMR Id manager 1097 */ 1098 1099 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1100 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1101 1102 /** 1103 * System memory manager 1104 */ 1105 int vmw_sys_man_init(struct vmw_private *dev_priv); 1106 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1107 1108 /** 1109 * Prime - vmwgfx_prime.c 1110 */ 1111 1112 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1113 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1114 struct drm_file *file_priv, 1115 int fd, u32 *handle); 1116 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1117 struct drm_file *file_priv, 1118 uint32_t handle, uint32_t flags, 1119 int *prime_fd); 1120 struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev, 1121 struct dma_buf_attachment *attach, 1122 struct sg_table *table); 1123 1124 /* 1125 * MemoryOBject management - vmwgfx_mob.c 1126 */ 1127 struct vmw_mob; 1128 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1129 const struct vmw_sg_table *vsgt, 1130 unsigned long num_data_pages, int32_t mob_id); 1131 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1132 struct vmw_mob *mob); 1133 extern void vmw_mob_destroy(struct vmw_mob *mob); 1134 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1135 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1136 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1137 1138 /* 1139 * Context management - vmwgfx_context.c 1140 */ 1141 1142 extern const struct vmw_user_resource_conv *user_context_converter; 1143 1144 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1145 struct drm_file *file_priv); 1146 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1147 struct drm_file *file_priv); 1148 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1149 struct drm_file *file_priv); 1150 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1151 extern struct vmw_cmdbuf_res_manager * 1152 vmw_context_res_man(struct vmw_resource *ctx); 1153 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1154 SVGACOTableType cotable_type); 1155 struct vmw_ctx_binding_state; 1156 extern struct vmw_ctx_binding_state * 1157 vmw_context_binding_state(struct vmw_resource *ctx); 1158 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1159 bool readback); 1160 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1161 struct vmw_bo *mob); 1162 extern struct vmw_bo * 1163 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1164 1165 1166 /* 1167 * Surface management - vmwgfx_surface.c 1168 */ 1169 1170 extern const struct vmw_user_resource_conv *user_surface_converter; 1171 1172 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1173 struct drm_file *file_priv); 1174 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1175 struct drm_file *file_priv); 1176 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1177 struct drm_file *file_priv); 1178 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1179 struct drm_file *file_priv); 1180 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1181 struct drm_file *file_priv); 1182 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1183 void *data, 1184 struct drm_file *file_priv); 1185 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1186 void *data, 1187 struct drm_file *file_priv); 1188 1189 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1190 const struct vmw_surface_metadata *req, 1191 struct vmw_surface **srf_out); 1192 struct vmw_surface *vmw_lookup_surface_for_buffer(struct vmw_private *vmw, 1193 struct vmw_bo *bo, 1194 u32 handle); 1195 u32 vmw_lookup_surface_handle_for_buffer(struct vmw_private *vmw, 1196 struct vmw_bo *bo, 1197 u32 handle); 1198 int vmw_dumb_create(struct drm_file *file_priv, 1199 struct drm_device *dev, 1200 struct drm_mode_create_dumb *args); 1201 1202 /* 1203 * Shader management - vmwgfx_shader.c 1204 */ 1205 1206 extern const struct vmw_user_resource_conv *user_shader_converter; 1207 1208 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1211 struct drm_file *file_priv); 1212 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1213 struct vmw_cmdbuf_res_manager *man, 1214 u32 user_key, const void *bytecode, 1215 SVGA3dShaderType shader_type, 1216 size_t size, 1217 struct list_head *list); 1218 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1219 u32 user_key, SVGA3dShaderType shader_type, 1220 struct list_head *list); 1221 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1222 struct vmw_resource *ctx, 1223 u32 user_key, 1224 SVGA3dShaderType shader_type, 1225 struct list_head *list); 1226 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1227 struct list_head *list, 1228 bool readback); 1229 1230 extern struct vmw_resource * 1231 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1232 u32 user_key, SVGA3dShaderType shader_type); 1233 1234 /* 1235 * Streamoutput management 1236 */ 1237 struct vmw_resource * 1238 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1239 u32 user_key); 1240 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1241 struct vmw_resource *ctx, 1242 SVGA3dStreamOutputId user_key, 1243 struct list_head *list); 1244 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1245 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1246 SVGA3dStreamOutputId user_key, 1247 struct list_head *list); 1248 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1249 struct list_head *list, 1250 bool readback); 1251 1252 /* 1253 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1254 */ 1255 1256 extern struct vmw_cmdbuf_res_manager * 1257 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1258 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1259 extern struct vmw_resource * 1260 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1261 enum vmw_cmdbuf_res_type res_type, 1262 u32 user_key); 1263 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1264 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1265 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1266 enum vmw_cmdbuf_res_type res_type, 1267 u32 user_key, 1268 struct vmw_resource *res, 1269 struct list_head *list); 1270 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1271 enum vmw_cmdbuf_res_type res_type, 1272 u32 user_key, 1273 struct list_head *list, 1274 struct vmw_resource **res); 1275 1276 /* 1277 * COTable management - vmwgfx_cotable.c 1278 */ 1279 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1280 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1281 struct vmw_resource *ctx, 1282 u32 type); 1283 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1284 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1285 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1286 struct list_head *head); 1287 1288 /* 1289 * Command buffer managerment vmwgfx_cmdbuf.c 1290 */ 1291 struct vmw_cmdbuf_man; 1292 struct vmw_cmdbuf_header; 1293 1294 extern struct vmw_cmdbuf_man * 1295 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1296 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1297 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1298 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1299 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1300 unsigned long timeout); 1301 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1302 int ctx_id, bool interruptible, 1303 struct vmw_cmdbuf_header *header); 1304 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1305 struct vmw_cmdbuf_header *header, 1306 bool flush); 1307 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1308 size_t size, bool interruptible, 1309 struct vmw_cmdbuf_header **p_header); 1310 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1311 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1312 bool interruptible); 1313 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1314 1315 /* CPU blit utilities - vmwgfx_blit.c */ 1316 1317 /** 1318 * struct vmw_diff_cpy - CPU blit information structure 1319 * 1320 * @rect: The output bounding box rectangle. 1321 * @line: The current line of the blit. 1322 * @line_offset: Offset of the current line segment. 1323 * @cpp: Bytes per pixel (granularity information). 1324 * @memcpy: Which memcpy function to use. 1325 */ 1326 struct vmw_diff_cpy { 1327 struct drm_rect rect; 1328 size_t line; 1329 size_t line_offset; 1330 int cpp; 1331 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1332 size_t n); 1333 }; 1334 1335 #define VMW_CPU_BLIT_INITIALIZER { \ 1336 .do_cpy = vmw_memcpy, \ 1337 } 1338 1339 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1340 .line = 0, \ 1341 .line_offset = 0, \ 1342 .rect = { .x1 = INT_MAX/2, \ 1343 .y1 = INT_MAX/2, \ 1344 .x2 = INT_MIN/2, \ 1345 .y2 = INT_MIN/2 \ 1346 }, \ 1347 .cpp = _cpp, \ 1348 .do_cpy = vmw_diff_memcpy, \ 1349 } 1350 1351 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1352 size_t n); 1353 1354 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1355 1356 int vmw_bo_cpu_blit(struct vmw_bo *dst, 1357 u32 dst_offset, u32 dst_stride, 1358 struct vmw_bo *src, 1359 u32 src_offset, u32 src_stride, 1360 u32 w, u32 h, 1361 struct vmw_diff_cpy *diff); 1362 1363 /* Host messaging -vmwgfx_msg.c: */ 1364 void vmw_disable_backdoor(void); 1365 int vmw_host_get_guestinfo(const char *guest_info_param, 1366 char *buffer, size_t *length); 1367 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1368 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1369 struct drm_file *file_priv); 1370 1371 /* Host mksGuestStats -vmwgfx_msg.c: */ 1372 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1373 1374 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1375 struct drm_file *file_priv); 1376 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1377 struct drm_file *file_priv); 1378 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1379 struct drm_file *file_priv); 1380 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1381 1382 /* VMW logging */ 1383 1384 /** 1385 * VMW_DEBUG_USER - Debug output for user-space debugging. 1386 * 1387 * @fmt: printf() like format string. 1388 * 1389 * This macro is for logging user-space error and debugging messages for e.g. 1390 * command buffer execution errors due to malformed commands, invalid context, 1391 * etc. 1392 */ 1393 #define VMW_DEBUG_USER(fmt, ...) \ 1394 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1395 1396 /* Resource dirtying - vmwgfx_page_dirty.c */ 1397 void vmw_bo_dirty_scan(struct vmw_bo *vbo); 1398 int vmw_bo_dirty_add(struct vmw_bo *vbo); 1399 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1400 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1401 void vmw_bo_dirty_release(struct vmw_bo *vbo); 1402 void vmw_bo_dirty_unmap(struct vmw_bo *vbo, 1403 pgoff_t start, pgoff_t end); 1404 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1405 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1406 1407 1408 /** 1409 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1410 * 1411 * This macro is for debugging vmwgfx mode-setting code. 1412 */ 1413 #define VMW_DEBUG_KMS(fmt, ...) \ 1414 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1415 1416 /** 1417 * Inline helper functions 1418 */ 1419 1420 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1421 { 1422 struct vmw_surface *tmp_srf = *srf; 1423 struct vmw_resource *res = &tmp_srf->res; 1424 *srf = NULL; 1425 1426 vmw_resource_unreference(&res); 1427 } 1428 1429 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1430 { 1431 (void) vmw_resource_reference(&srf->res); 1432 return srf; 1433 } 1434 1435 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1436 { 1437 atomic_inc(&dev_priv->num_fifo_resources); 1438 } 1439 1440 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1441 { 1442 atomic_dec(&dev_priv->num_fifo_resources); 1443 } 1444 1445 /** 1446 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1447 * 1448 * @fifo_reg: The fifo register to read from 1449 * 1450 * This function is intended to be equivalent to ioread32() on 1451 * memremap'd memory, but without byteswapping. 1452 */ 1453 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1454 { 1455 BUG_ON(vmw_is_svga_v3(vmw)); 1456 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1457 } 1458 1459 /** 1460 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1461 * 1462 * @addr: The fifo register to write to 1463 * 1464 * This function is intended to be equivalent to iowrite32 on 1465 * memremap'd memory, but without byteswapping. 1466 */ 1467 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1468 u32 value) 1469 { 1470 BUG_ON(vmw_is_svga_v3(vmw)); 1471 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1472 } 1473 1474 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1475 { 1476 u32 fence; 1477 if (vmw_is_svga_v3(dev_priv)) 1478 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1479 else 1480 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1481 return fence; 1482 } 1483 1484 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1485 u32 fence) 1486 { 1487 BUG_ON(vmw_is_svga_v3(dev_priv)); 1488 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1489 } 1490 1491 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1492 { 1493 u32 status; 1494 if (vmw_is_svga_v3(vmw)) 1495 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1496 else 1497 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1498 return status; 1499 } 1500 1501 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1502 uint32 status) 1503 { 1504 if (vmw_is_svga_v3(vmw)) 1505 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1506 else 1507 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1508 } 1509 1510 static inline bool vmw_has_fences(struct vmw_private *vmw) 1511 { 1512 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1513 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1514 return true; 1515 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1516 } 1517 1518 static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model, 1519 u32 shader_type) 1520 { 1521 SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX; 1522 1523 if (shader_model >= VMW_SM_5) 1524 max_allowed = SVGA3D_SHADERTYPE_MAX; 1525 else if (shader_model >= VMW_SM_4) 1526 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX; 1527 return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed; 1528 } 1529 1530 #endif 1531