1 /* $NetBSD: qxl_drv.h,v 1.3 2021/12/18 23:45:42 riastradh Exp $ */ 2 3 /* 4 * Copyright 2013 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alon Levy 26 */ 27 28 #ifndef QXL_DRV_H 29 #define QXL_DRV_H 30 31 /* 32 * Definitions taken from spice-protocol, plus kernel driver specific bits. 33 */ 34 35 #include <linux/dma-fence.h> 36 #include <linux/firmware.h> 37 #include <linux/platform_device.h> 38 #include <linux/workqueue.h> 39 40 #include <drm/drm_crtc.h> 41 #include <drm/drm_encoder.h> 42 #include <drm/drm_fb_helper.h> 43 #include <drm/drm_gem_ttm_helper.h> 44 #include <drm/drm_ioctl.h> 45 #include <drm/drm_gem.h> 46 #include <drm/qxl_drm.h> 47 #include <drm/ttm/ttm_bo_api.h> 48 #include <drm/ttm/ttm_bo_driver.h> 49 #include <drm/ttm/ttm_execbuf_util.h> 50 #include <drm/ttm/ttm_module.h> 51 #include <drm/ttm/ttm_placement.h> 52 53 #include "qxl_dev.h" 54 55 #define DRIVER_AUTHOR "Dave Airlie" 56 57 #define DRIVER_NAME "qxl" 58 #define DRIVER_DESC "RH QXL" 59 #define DRIVER_DATE "20120117" 60 61 #define DRIVER_MAJOR 0 62 #define DRIVER_MINOR 1 63 #define DRIVER_PATCHLEVEL 0 64 65 #define QXL_DEBUGFS_MAX_COMPONENTS 32 66 67 extern int qxl_num_crtc; 68 extern int qxl_max_ioctls; 69 70 #define QXL_INTERRUPT_MASK (\ 71 QXL_INTERRUPT_DISPLAY |\ 72 QXL_INTERRUPT_CURSOR |\ 73 QXL_INTERRUPT_IO_CMD |\ 74 QXL_INTERRUPT_CLIENT_MONITORS_CONFIG) 75 76 struct qxl_bo { 77 struct ttm_buffer_object tbo; 78 79 /* Protected by gem.mutex */ 80 struct list_head list; 81 /* Protected by tbo.reserved */ 82 struct ttm_place placements[3]; 83 struct ttm_placement placement; 84 struct ttm_bo_kmap_obj kmap; 85 unsigned int pin_count; 86 void *kptr; 87 unsigned int map_count; 88 int type; 89 90 /* Constant after initialization */ 91 unsigned int is_primary:1; /* is this now a primary surface */ 92 unsigned int is_dumb:1; 93 struct qxl_bo *shadow; 94 unsigned int hw_surf_alloc:1; 95 struct qxl_surface surf; 96 uint32_t surface_id; 97 struct qxl_release *surf_create; 98 }; 99 #define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, tbo.base) 100 #define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo) 101 102 struct qxl_gem { 103 struct mutex mutex; 104 struct list_head objects; 105 }; 106 107 struct qxl_bo_list { 108 struct ttm_validate_buffer tv; 109 }; 110 111 struct qxl_crtc { 112 struct drm_crtc base; 113 int index; 114 115 struct qxl_bo *cursor_bo; 116 }; 117 118 struct qxl_output { 119 int index; 120 struct drm_connector base; 121 struct drm_encoder enc; 122 }; 123 124 #define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base) 125 #define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base) 126 #define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc) 127 128 struct qxl_mman { 129 struct ttm_bo_device bdev; 130 }; 131 132 struct qxl_memslot { 133 int index; 134 const char *name; 135 uint8_t generation; 136 uint64_t start_phys_addr; 137 uint64_t size; 138 uint64_t high_bits; 139 uint64_t gpu_offset; 140 }; 141 142 enum { 143 QXL_RELEASE_DRAWABLE, 144 QXL_RELEASE_SURFACE_CMD, 145 QXL_RELEASE_CURSOR_CMD, 146 }; 147 148 /* drm_ prefix to differentiate from qxl_release_info in 149 * spice-protocol/qxl_dev.h */ 150 #define QXL_MAX_RES 96 151 struct qxl_release { 152 struct dma_fence base; 153 154 int id; 155 int type; 156 struct qxl_bo *release_bo; 157 uint32_t release_offset; 158 uint32_t surface_release_id; 159 struct ww_acquire_ctx ticket; 160 struct list_head bos; 161 }; 162 163 struct qxl_drm_chunk { 164 struct list_head head; 165 struct qxl_bo *bo; 166 }; 167 168 struct qxl_drm_image { 169 struct qxl_bo *bo; 170 struct list_head chunk_list; 171 }; 172 173 struct qxl_fb_image { 174 struct qxl_device *qdev; 175 uint32_t pseudo_palette[16]; 176 struct fb_image fb_image; 177 uint32_t visual; 178 }; 179 180 struct qxl_draw_fill { 181 struct qxl_device *qdev; 182 struct qxl_rect rect; 183 uint32_t color; 184 uint16_t rop; 185 }; 186 187 /* 188 * Debugfs 189 */ 190 struct qxl_debugfs { 191 struct drm_info_list *files; 192 unsigned int num_files; 193 }; 194 195 int qxl_debugfs_add_files(struct qxl_device *rdev, 196 struct drm_info_list *files, 197 unsigned int nfiles); 198 int qxl_debugfs_fence_init(struct qxl_device *rdev); 199 200 struct qxl_device; 201 202 struct qxl_device { 203 struct drm_device ddev; 204 205 resource_size_t vram_base, vram_size; 206 resource_size_t surfaceram_base, surfaceram_size; 207 resource_size_t rom_base, rom_size; 208 struct qxl_rom *rom; 209 210 struct qxl_mode *modes; 211 struct qxl_bo *monitors_config_bo; 212 struct qxl_monitors_config *monitors_config; 213 214 /* last received client_monitors_config */ 215 struct qxl_monitors_config *client_monitors_config; 216 217 int io_base; 218 void *ram; 219 struct qxl_mman mman; 220 struct qxl_gem gem; 221 222 void *ram_physical; 223 224 struct qxl_ring *release_ring; 225 struct qxl_ring *command_ring; 226 struct qxl_ring *cursor_ring; 227 228 struct qxl_ram_header *ram_header; 229 230 struct qxl_bo *primary_bo; 231 struct qxl_bo *dumb_shadow_bo; 232 struct qxl_head *dumb_heads; 233 234 struct qxl_memslot main_slot; 235 struct qxl_memslot surfaces_slot; 236 237 spinlock_t release_lock; 238 struct idr release_idr; 239 uint32_t release_seqno; 240 spinlock_t release_idr_lock; 241 struct mutex async_io_mutex; 242 unsigned int last_sent_io_cmd; 243 244 /* interrupt handling */ 245 atomic_t irq_received; 246 atomic_t irq_received_display; 247 atomic_t irq_received_cursor; 248 atomic_t irq_received_io_cmd; 249 unsigned int irq_received_error; 250 wait_queue_head_t display_event; 251 wait_queue_head_t cursor_event; 252 wait_queue_head_t io_cmd_event; 253 struct work_struct client_monitors_config_work; 254 255 /* debugfs */ 256 struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS]; 257 unsigned int debugfs_count; 258 259 struct mutex update_area_mutex; 260 261 struct idr surf_id_idr; 262 spinlock_t surf_id_idr_lock; 263 int last_alloced_surf_id; 264 265 struct mutex surf_evict_mutex; 266 struct io_mapping *vram_mapping; 267 struct io_mapping *surface_mapping; 268 269 /* */ 270 struct mutex release_mutex; 271 struct qxl_bo *current_release_bo[3]; 272 int current_release_bo_offset[3]; 273 274 struct work_struct gc_work; 275 276 struct drm_property *hotplug_mode_update_property; 277 int monitors_config_width; 278 int monitors_config_height; 279 }; 280 281 extern const struct drm_ioctl_desc qxl_ioctls[]; 282 extern int qxl_max_ioctl; 283 284 int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv, 285 struct pci_dev *pdev); 286 void qxl_device_fini(struct qxl_device *qdev); 287 288 int qxl_modeset_init(struct qxl_device *qdev); 289 void qxl_modeset_fini(struct qxl_device *qdev); 290 291 int qxl_bo_init(struct qxl_device *qdev); 292 void qxl_bo_fini(struct qxl_device *qdev); 293 294 void qxl_reinit_memslots(struct qxl_device *qdev); 295 int qxl_surf_evict(struct qxl_device *qdev); 296 int qxl_vram_evict(struct qxl_device *qdev); 297 298 struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header, 299 int element_size, 300 int n_elements, 301 int prod_notify, 302 bool set_prod_notify, 303 wait_queue_head_t *push_event); 304 void qxl_ring_free(struct qxl_ring *ring); 305 void qxl_ring_init_hdr(struct qxl_ring *ring); 306 int qxl_check_idle(struct qxl_ring *ring); 307 308 static inline uint64_t 309 qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo, 310 unsigned long offset) 311 { 312 struct qxl_memslot *slot = 313 (bo->tbo.mem.mem_type == TTM_PL_VRAM) 314 ? &qdev->main_slot : &qdev->surfaces_slot; 315 316 WARN_ON_ONCE((bo->tbo.offset & slot->gpu_offset) != slot->gpu_offset); 317 318 /* TODO - need to hold one of the locks to read tbo.offset */ 319 return slot->high_bits | (bo->tbo.offset - slot->gpu_offset + offset); 320 } 321 322 /* qxl_display.c */ 323 void qxl_display_read_client_monitors_config(struct qxl_device *qdev); 324 int qxl_create_monitors_object(struct qxl_device *qdev); 325 int qxl_destroy_monitors_object(struct qxl_device *qdev); 326 327 /* qxl_gem.c */ 328 void qxl_gem_init(struct qxl_device *qdev); 329 void qxl_gem_fini(struct qxl_device *qdev); 330 int qxl_gem_object_create(struct qxl_device *qdev, int size, 331 int alignment, int initial_domain, 332 bool discardable, bool kernel, 333 struct qxl_surface *surf, 334 struct drm_gem_object **obj); 335 int qxl_gem_object_create_with_handle(struct qxl_device *qdev, 336 struct drm_file *file_priv, 337 u32 domain, 338 size_t size, 339 struct qxl_surface *surf, 340 struct qxl_bo **qobj, 341 uint32_t *handle); 342 void qxl_gem_object_free(struct drm_gem_object *gobj); 343 int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv); 344 void qxl_gem_object_close(struct drm_gem_object *obj, 345 struct drm_file *file_priv); 346 void qxl_bo_force_delete(struct qxl_device *qdev); 347 int qxl_bo_kmap(struct qxl_bo *bo, void **ptr); 348 349 /* qxl_dumb.c */ 350 int qxl_mode_dumb_create(struct drm_file *file_priv, 351 struct drm_device *dev, 352 struct drm_mode_create_dumb *args); 353 int qxl_mode_dumb_mmap(struct drm_file *filp, 354 struct drm_device *dev, 355 uint32_t handle, uint64_t *offset_p); 356 357 /* qxl ttm */ 358 int qxl_ttm_init(struct qxl_device *qdev); 359 void qxl_ttm_fini(struct qxl_device *qdev); 360 int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev, 361 struct ttm_mem_reg *mem); 362 363 /* qxl image */ 364 365 int qxl_image_init(struct qxl_device *qdev, 366 struct qxl_release *release, 367 struct qxl_drm_image *dimage, 368 const uint8_t *data, 369 int x, int y, int width, int height, 370 int depth, int stride); 371 int 372 qxl_image_alloc_objects(struct qxl_device *qdev, 373 struct qxl_release *release, 374 struct qxl_drm_image **image_ptr, 375 int height, int stride); 376 void qxl_image_free_objects(struct qxl_device *qdev, struct qxl_drm_image *dimage); 377 378 void qxl_update_screen(struct qxl_device *qxl); 379 380 /* qxl io operations (qxl_cmd.c) */ 381 382 void qxl_io_create_primary(struct qxl_device *qdev, 383 struct qxl_bo *bo); 384 void qxl_io_destroy_primary(struct qxl_device *qdev); 385 void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id); 386 void qxl_io_notify_oom(struct qxl_device *qdev); 387 388 int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf, 389 const struct qxl_rect *area); 390 391 void qxl_io_reset(struct qxl_device *qdev); 392 void qxl_io_monitors_config(struct qxl_device *qdev); 393 int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible); 394 void qxl_io_flush_release(struct qxl_device *qdev); 395 void qxl_io_flush_surfaces(struct qxl_device *qdev); 396 397 union qxl_release_info *qxl_release_map(struct qxl_device *qdev, 398 struct qxl_release *release); 399 void qxl_release_unmap(struct qxl_device *qdev, 400 struct qxl_release *release, 401 union qxl_release_info *info); 402 int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo); 403 int qxl_release_reserve_list(struct qxl_release *release, bool no_intr); 404 void qxl_release_backoff_reserve_list(struct qxl_release *release); 405 void qxl_release_fence_buffer_objects(struct qxl_release *release); 406 407 int qxl_alloc_surface_release_reserved(struct qxl_device *qdev, 408 enum qxl_surface_cmd_type surface_cmd_type, 409 struct qxl_release *create_rel, 410 struct qxl_release **release); 411 int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size, 412 int type, struct qxl_release **release, 413 struct qxl_bo **rbo); 414 415 int 416 qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release, 417 uint32_t type, bool interruptible); 418 int 419 qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release, 420 uint32_t type, bool interruptible); 421 int qxl_alloc_bo_reserved(struct qxl_device *qdev, 422 struct qxl_release *release, 423 unsigned long size, 424 struct qxl_bo **_bo); 425 /* qxl drawing commands */ 426 427 void qxl_draw_dirty_fb(struct qxl_device *qdev, 428 struct drm_framebuffer *fb, 429 struct qxl_bo *bo, 430 unsigned int flags, unsigned int color, 431 struct drm_clip_rect *clips, 432 unsigned int num_clips, int inc, 433 uint32_t dumb_shadow_offset); 434 435 void qxl_release_free(struct qxl_device *qdev, 436 struct qxl_release *release); 437 438 /* used by qxl_debugfs_release */ 439 struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev, 440 uint64_t id); 441 442 bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush); 443 int qxl_garbage_collect(struct qxl_device *qdev); 444 445 /* debugfs */ 446 447 int qxl_debugfs_init(struct drm_minor *minor); 448 int qxl_ttm_debugfs_init(struct qxl_device *qdev); 449 450 /* qxl_prime.c */ 451 int qxl_gem_prime_pin(struct drm_gem_object *obj); 452 void qxl_gem_prime_unpin(struct drm_gem_object *obj); 453 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj); 454 struct drm_gem_object *qxl_gem_prime_import_sg_table( 455 struct drm_device *dev, struct dma_buf_attachment *attach, 456 struct sg_table *sgt); 457 void *qxl_gem_prime_vmap(struct drm_gem_object *obj); 458 void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); 459 int qxl_gem_prime_mmap(struct drm_gem_object *obj, 460 struct vm_area_struct *vma); 461 462 /* qxl_irq.c */ 463 int qxl_irq_init(struct qxl_device *qdev); 464 irqreturn_t qxl_irq_handler(int irq, void *arg); 465 466 int qxl_debugfs_add_files(struct qxl_device *qdev, 467 struct drm_info_list *files, 468 unsigned int nfiles); 469 470 int qxl_surface_id_alloc(struct qxl_device *qdev, 471 struct qxl_bo *surf); 472 void qxl_surface_id_dealloc(struct qxl_device *qdev, 473 uint32_t surface_id); 474 int qxl_hw_surface_alloc(struct qxl_device *qdev, 475 struct qxl_bo *surf); 476 int qxl_hw_surface_dealloc(struct qxl_device *qdev, 477 struct qxl_bo *surf); 478 479 int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo); 480 481 struct qxl_drv_surface * 482 qxl_surface_lookup(struct drm_device *dev, int surface_id); 483 void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing); 484 485 #endif 486
Indexes created Sat Sep 20 22:09:52 GMT 2025