drmP.h revision 1.19
1 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 2 * Created: Mon Jan 4 10:05:05 1999 by faith (at) precisioninsight.com 3 */ 4 /*- 5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 7 * All rights reserved. 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice (including the next 17 * paragraph) shall be included in all copies or substantial portions of the 18 * Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 * OTHER DEALINGS IN THE SOFTWARE. 27 * 28 * Authors: 29 * Rickard E. (Rik) Faith <faith (at) valinux.com> 30 * Gareth Hughes <gareth (at) valinux.com> 31 * 32 */ 33 34 #ifndef _DRM_P_H_ 35 #define _DRM_P_H_ 36 37 #if defined(_KERNEL) || defined(__KERNEL__) 38 39 struct drm_device; 40 struct drm_file; 41 42 #if defined(__NetBSD__) && defined(_KERNEL_OPT) 43 #include "opt_drm.h" 44 #endif 45 46 #include <sys/param.h> 47 #include <sys/queue.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/module.h> 51 #include <sys/systm.h> 52 #include <sys/conf.h> 53 #include <sys/stat.h> 54 #if __FreeBSD_version >= 700000 55 #include <sys/priv.h> 56 #endif 57 #include <sys/proc.h> 58 #include <sys/lock.h> 59 #include <sys/fcntl.h> 60 #include <sys/uio.h> 61 #include <sys/filio.h> 62 #include <sys/sysctl.h> 63 #include <sys/bus.h> 64 #include <sys/signalvar.h> 65 #include <sys/poll.h> 66 #include <sys/tree.h> 67 #ifdef __FreeBSD__ 68 #include <vm/vm.h> 69 #include <vm/pmap.h> 70 #include <vm/vm_extern.h> 71 #include <vm/vm_map.h> 72 #include <vm/vm_param.h> 73 #include <machine/resource.h> 74 #include <machine/param.h> 75 #endif 76 #include <machine/pmap.h> 77 #include <machine/bus.h> 78 #if defined(__i386__) || defined(__x86_64__) 79 #include <machine/specialreg.h> 80 #include <machine/sysarch.h> 81 #endif 82 #include <sys/endian.h> 83 #include <sys/mman.h> 84 #if defined( __FreeBSD__) 85 #include <sys/rman.h> 86 #include <sys/memrange.h> 87 #if __FreeBSD_version >= 800004 88 #include <dev/agp/agpvar.h> 89 #else /* __FreeBSD_version >= 800004 */ 90 #include <pci/agpvar.h> 91 #endif /* __FreeBSD_version >= 800004 */ 92 #include <sys/agpio.h> 93 #include <sys/mutex.h> 94 #include <dev/pci/pcivar.h> 95 #include <dev/pci/pcireg.h> 96 #include <sys/selinfo.h> 97 #include <sys/bus.h> 98 #elif defined(__NetBSD__) 99 #if defined(__i386__) || defined(__x86_64__) 100 #include <machine/mtrr.h> 101 #endif 102 #include <sys/vnode.h> 103 #include <sys/select.h> 104 #include <sys/device.h> 105 #include <sys/resourcevar.h> 106 #include <sys/agpio.h> 107 #include <sys/ttycom.h> 108 #include <sys/mman.h> 109 #include <sys/kauth.h> 110 #include <sys/types.h> 111 #include <sys/file.h> 112 #include <sys/atomic.h> 113 #include <sys/workqueue.h> 114 #include <uvm/uvm.h> 115 #include <dev/pci/pcireg.h> 116 #include <dev/pci/pcivar.h> 117 #include <dev/pci/agpvar.h> 118 #endif 119 120 #include "drm.h" 121 #include "drm_linux_list.h" 122 #include "drm_atomic.h" 123 #include "drm_internal.h" 124 125 #ifdef __FreeBSD__ 126 #include <opt_drm.h> 127 #endif 128 129 #ifdef DRM_DEBUG 130 #undef DRM_DEBUG 131 #define DRM_DEBUG_DEFAULT_ON 1 132 #endif /* DRM_DEBUG */ 133 134 #ifdef __FreeBSD__ 135 #define DRM_KASSERT(x,y) KASSERT(x,y) 136 #else 137 #define DRM_KASSERT(x,y) KASSERT(x) 138 #define device_get_softc(x) device_private(x) 139 #define callout_deactivate(x) callout_stop(x) 140 #define callout_drain(x) callout_stop(x) 141 #endif 142 143 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 144 #include <sys/file.h> 145 #include <sys/proc.h> 146 #include <machine/../linux/linux.h> 147 #include <machine/../linux/linux_proto.h> 148 #else 149 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 150 * supported on this OS yet. 151 */ 152 #undef DRM_LINUX 153 #define DRM_LINUX 0 154 #endif 155 156 /* driver capabilities and requirements mask */ 157 #define DRIVER_USE_AGP 0x1 158 #define DRIVER_REQUIRE_AGP 0x2 159 #define DRIVER_USE_MTRR 0x4 160 #define DRIVER_PCI_DMA 0x8 161 #define DRIVER_SG 0x10 162 #define DRIVER_HAVE_DMA 0x20 163 #define DRIVER_HAVE_IRQ 0x40 164 #define DRIVER_DMA_QUEUE 0x100 165 166 167 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 168 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 169 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 170 171 MALLOC_DECLARE(DRM_MEM_DMA); 172 MALLOC_DECLARE(DRM_MEM_SAREA); 173 MALLOC_DECLARE(DRM_MEM_DRIVER); 174 MALLOC_DECLARE(DRM_MEM_MAGIC); 175 MALLOC_DECLARE(DRM_MEM_IOCTLS); 176 MALLOC_DECLARE(DRM_MEM_MAPS); 177 MALLOC_DECLARE(DRM_MEM_BUFS); 178 MALLOC_DECLARE(DRM_MEM_SEGS); 179 MALLOC_DECLARE(DRM_MEM_PAGES); 180 MALLOC_DECLARE(DRM_MEM_FILES); 181 MALLOC_DECLARE(DRM_MEM_QUEUES); 182 MALLOC_DECLARE(DRM_MEM_CMDS); 183 MALLOC_DECLARE(DRM_MEM_MAPPINGS); 184 MALLOC_DECLARE(DRM_MEM_BUFLISTS); 185 MALLOC_DECLARE(DRM_MEM_AGPLISTS); 186 MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 187 MALLOC_DECLARE(DRM_MEM_SGLISTS); 188 MALLOC_DECLARE(DRM_MEM_DRAWABLE); 189 190 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 191 192 /* Internal types and structures */ 193 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 194 #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 195 #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 196 197 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 198 199 #define __OS_HAS_AGP 1 200 201 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 202 #define DRM_DEV_UID 0 203 #define DRM_DEV_GID 0 204 205 #define wait_queue_head_t atomic_t 206 #define DRM_WAKEUP(w) wakeup((void *)w) 207 #define DRM_WAKEUP_INT(w) wakeup(w) 208 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 209 210 #if defined(__FreeBSD__) 211 #define DRM_CDEV struct cdev * 212 #define DRM_CURPROC curthread 213 #define DRM_STRUCTPROC struct thread 214 #define DRM_STRUCTCDEVPROC struct thread 215 #define DRM_CDEVPROC_REAL(p) (p) 216 #define DRM_IOCTL_DATA caddr_t 217 #define DRM_SPINTYPE struct mtx 218 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 219 #define DRM_SPINUNINIT(l) mtx_destroy(l) 220 #define DRM_SPINLOCK(l) mtx_lock(l) 221 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 222 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 223 mtx_lock(l); \ 224 (void)irqflags; \ 225 } while (0) 226 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 227 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 228 #define DRM_CURRENTPID curthread->td_proc->p_pid 229 #define DRM_LOCK() mtx_lock(&dev->dev_lock) 230 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 231 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 232 #elif defined(__NetBSD__) 233 #define DRM_CDEV dev_t 234 #define DRM_CURPROC curproc 235 #define DRM_STRUCTPROC struct proc 236 #define DRM_STRUCTCDEVPROC struct lwp 237 #define DRM_CDEVPROC_REAL(l) (l)->l_proc 238 #define DRM_IOCTL_DATA void * 239 #define DRM_SPINTYPE kmutex_t 240 #define DRM_SPININIT(l,name) mutex_init(l, MUTEX_DEFAULT, /*IPL_NONE*/ IPL_VM) 241 #define DRM_SPINUNINIT(l) mutex_destroy(l) 242 #define DRM_SPINLOCK(l) mutex_enter(l) 243 #define DRM_SPINUNLOCK(u) mutex_exit(u) 244 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 245 mutex_enter(l); \ 246 (void)irqflags; \ 247 } while (0) 248 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u) 249 #define DRM_SPINLOCK_ASSERT(l) mutex_owned(l) 250 #define DRM_CURRENTPID curproc->p_pid 251 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock) 252 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock) 253 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTLFN_ARGS) 254 #define vslock(addr, len) uvm_vslock(curproc->p_vmspace, addr, len, VM_PROT_READ | VM_PROT_WRITE) 255 #define vsunlock(addr, len) uvm_vsunlock(curproc->p_vmspace, addr, len) 256 #endif 257 258 #define DRM_IRQ_ARGS void *arg 259 #if defined(__FreeBSD__) 260 typedef void irqreturn_t; 261 #define IRQ_HANDLED /* nothing */ 262 #define IRQ_NONE /* nothing */ 263 #elif defined(__NetBSD__) 264 typedef int irqreturn_t; 265 #define IRQ_HANDLED 1 266 #define IRQ_NONE 0 267 #endif 268 269 enum { 270 DRM_IS_NOT_AGP, 271 DRM_IS_AGP, 272 DRM_MIGHT_BE_AGP 273 }; 274 #define DRM_AGP_MEM struct agp_memory_info 275 276 #if defined(__FreeBSD__) 277 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 278 #elif defined(__NetBSD__) 279 #define drm_get_device_from_kdev(_kdev) ((minor(_kdev) < DRM_MAXUNITS) ? \ 280 drm_units[minor(_kdev)] : NULL) 281 #endif 282 283 #if defined(__FreeBSD__) 284 #define PAGE_ALIGN(addr) round_page(addr) 285 /* DRM_SUSER returns true if the user is superuser */ 286 #if __FreeBSD_version >= 700000 287 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 288 #else 289 #define DRM_SUSER(p) (suser(p) == 0) 290 #endif 291 #define DRM_AGP_FIND_DEVICE() agp_find_device() 292 #define DRM_MTRR_WC MDF_WRITECOMBINE 293 #define jiffies ticks 294 295 #elif defined(__NetBSD__) 296 297 #define PAGE_ALIGN(addr) round_page(addr) 298 #define DRM_SUSER(p) (kauth_cred_getsvuid((p)->p_cred) == 0) 299 #define DRM_AGP_FIND_DEVICE() agp_find_device(0) 300 #ifdef MTRR_TYPE_WC 301 #define DRM_MTRR_WC MTRR_TYPE_WC 302 #else 303 #define DRM_MTRR_WC 0 304 #endif 305 #define jiffies hardclock_ticks 306 307 #define DRM_MAXUNITS 128 308 extern struct drm_device *drm_units[]; 309 310 #endif 311 312 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 313 #ifndef PCIY_AGP 314 #define PCIY_AGP 0x02 315 #endif 316 317 #ifndef PCIY_EXPRESS 318 #define PCIY_EXPRESS 0x10 319 #endif 320 321 typedef unsigned long dma_addr_t; 322 #if defined(__FreeBSD__) 323 typedef u_int64_t u64; 324 typedef u_int32_t u32; 325 typedef u_int16_t u16; 326 typedef u_int8_t u8; 327 #else 328 typedef uint64_t u64; 329 typedef uint32_t u32; 330 typedef uint16_t u16; 331 typedef uint8_t u8; 332 #endif 333 334 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 335 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 336 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 337 */ 338 #if defined(__NetBSD__) 339 #define DRM_READMEMORYBARRIER() membar_consumer() 340 #define DRM_WRITEMEMORYBARRIER() membar_producer() 341 #define DRM_MEMORYBARRIER() membar_sync() 342 #elif defined(__i386__) 343 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 344 "lock; addl $0,0(%%esp)" : : : "memory"); 345 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 346 #define DRM_MEMORYBARRIER() __asm __volatile( \ 347 "lock; addl $0,0(%%esp)" : : : "memory"); 348 #elif defined(__alpha__) 349 #define DRM_READMEMORYBARRIER() alpha_mb(); 350 #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 351 #define DRM_MEMORYBARRIER() alpha_mb(); 352 #elif defined(__amd64__) 353 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 354 "lock; addl $0,0(%%rsp)" : : : "memory"); 355 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 356 #define DRM_MEMORYBARRIER() __asm __volatile( \ 357 "lock; addl $0,0(%%rsp)" : : : "memory"); 358 #endif 359 360 #define DRM_COPY_TO_USER(user, kern, size) \ 361 copyout(kern, user, size) 362 #define DRM_COPY_FROM_USER(kern, user, size) \ 363 copyin(user, kern, size) 364 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 365 copyin(arg2, arg1, arg3) 366 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 367 copyout(arg2, arg1, arg3) 368 #if defined(__FreeBSD__) 369 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 370 ((val) = fuword32(uaddr), 0) 371 #else 372 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 373 ((val) = fuword(uaddr), 0) 374 #endif 375 376 #define cpu_to_le32(x) htole32(x) 377 #define le32_to_cpu(x) le32toh(x) 378 379 #define DRM_HZ hz 380 #define DRM_UDELAY(udelay) DELAY(udelay) 381 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 382 383 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 384 (_map) = (_dev)->context_sareas[_ctx]; \ 385 } while(0) 386 387 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 388 do { \ 389 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 390 dev->lock.file_priv != file_priv) { \ 391 DRM_ERROR("%s called without lock held\n", \ 392 __FUNCTION__); \ 393 return EINVAL; \ 394 } \ 395 } while (0) 396 397 /* Returns -errno to shared code */ 398 #if defined(__FreeBSD__) 399 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 400 for ( ret = 0 ; !ret && !(condition) ; ) { \ 401 DRM_UNLOCK(); \ 402 mtx_lock(&dev->irq_lock); \ 403 if (!(condition)) \ 404 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 405 PCATCH, "drmwtq", (timeout)); \ 406 mtx_unlock(&dev->irq_lock); \ 407 DRM_LOCK(); \ 408 } 409 #elif defined(__NetBSD__) 410 /* Returns -errno to shared code */ 411 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 412 for ( ret = 0 ; !ret && !(condition) ; ) { \ 413 DRM_UNLOCK(); \ 414 mutex_enter(&dev->irq_lock); \ 415 if (!(condition)) \ 416 ret = -mtsleep(&(queue), PCATCH, \ 417 "drmwtq", (timeout), &dev->irq_lock); \ 418 mutex_exit(&dev->irq_lock); \ 419 DRM_LOCK(); \ 420 } 421 #endif 422 423 #define DRM_ERROR(fmt, ...) \ 424 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 425 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 426 427 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 428 429 #define DRM_DEBUG(fmt, ...) do { \ 430 if (drm_debug_flag) \ 431 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 432 __func__ , ##__VA_ARGS__); \ 433 } while (0) 434 435 typedef struct drm_pci_id_list 436 { 437 int vendor; 438 int device; 439 long driver_private; 440 #if defined(__NetBSD__) 441 const char *name; 442 #else 443 char *name; 444 #endif 445 } drm_pci_id_list_t; 446 447 struct drm_msi_blacklist_entry 448 { 449 int vendor; 450 int device; 451 }; 452 453 #define DRM_AUTH 0x1 454 #define DRM_MASTER 0x2 455 #define DRM_ROOT_ONLY 0x4 456 typedef struct drm_ioctl_desc { 457 unsigned long cmd; 458 int (*func)(struct drm_device *dev, void *data, 459 struct drm_file *file_priv); 460 int flags; 461 } drm_ioctl_desc_t; 462 /** 463 * Creates a driver or general drm_ioctl_desc array entry for the given 464 * ioctl, for use by drm_ioctl(). 465 */ 466 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 467 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 468 469 typedef struct drm_magic_entry { 470 drm_magic_t magic; 471 struct drm_file *priv; 472 struct drm_magic_entry *next; 473 } drm_magic_entry_t; 474 475 typedef struct drm_magic_head { 476 struct drm_magic_entry *head; 477 struct drm_magic_entry *tail; 478 } drm_magic_head_t; 479 480 typedef struct drm_buf { 481 int idx; /* Index into master buflist */ 482 int total; /* Buffer size */ 483 int order; /* log-base-2(total) */ 484 int used; /* Amount of buffer in use (for DMA) */ 485 unsigned long offset; /* Byte offset (used internally) */ 486 void *address; /* Address of buffer */ 487 unsigned long bus_address; /* Bus address of buffer */ 488 struct drm_buf *next; /* Kernel-only: used for free list */ 489 __volatile__ int pending; /* On hardware DMA queue */ 490 struct drm_file *file_priv; /* Unique identifier of holding process */ 491 int context; /* Kernel queue for this buffer */ 492 enum { 493 DRM_LIST_NONE = 0, 494 DRM_LIST_FREE = 1, 495 DRM_LIST_WAIT = 2, 496 DRM_LIST_PEND = 3, 497 DRM_LIST_PRIO = 4, 498 DRM_LIST_RECLAIM = 5 499 } list; /* Which list we're on */ 500 501 int dev_priv_size; /* Size of buffer private stoarge */ 502 void *dev_private; /* Per-buffer private storage */ 503 } drm_buf_t; 504 505 typedef struct drm_freelist { 506 int initialized; /* Freelist in use */ 507 atomic_t count; /* Number of free buffers */ 508 drm_buf_t *next; /* End pointer */ 509 510 int low_mark; /* Low water mark */ 511 int high_mark; /* High water mark */ 512 } drm_freelist_t; 513 514 typedef struct drm_dma_handle { 515 void *vaddr; 516 bus_addr_t busaddr; 517 bus_dma_tag_t tag; 518 bus_dmamap_t map; 519 #if defined(__NetBSD__) 520 size_t size; 521 size_t nsegs; 522 bus_dma_segment_t segs[1]; 523 #endif 524 } drm_dma_handle_t; 525 526 typedef struct drm_buf_entry { 527 int buf_size; 528 int buf_count; 529 drm_buf_t *buflist; 530 int seg_count; 531 drm_dma_handle_t **seglist; 532 int page_order; 533 534 drm_freelist_t freelist; 535 } drm_buf_entry_t; 536 537 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 538 struct drm_file { 539 TAILQ_ENTRY(drm_file) link; 540 struct drm_device *dev; 541 int authenticated; 542 int master; 543 int minor; 544 pid_t pid; 545 uid_t uid; 546 drm_magic_t magic; 547 unsigned long ioctl_count; 548 void *driver_priv; 549 }; 550 551 typedef struct drm_lock_data { 552 struct drm_hw_lock *hw_lock; /* Hardware lock */ 553 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 554 int lock_queue; /* Queue of blocked processes */ 555 unsigned long lock_time; /* Time of last lock in jiffies */ 556 } drm_lock_data_t; 557 558 /* This structure, in the struct drm_device, is always initialized while the 559 * device 560 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 561 * when set marks that no further bufs may be allocated until device teardown 562 * occurs (when the last open of the device has closed). The high/low 563 * watermarks of bufs are only touched by the X Server, and thus not 564 * concurrently accessed, so no locking is needed. 565 */ 566 typedef struct drm_device_dma { 567 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 568 int buf_count; 569 drm_buf_t **buflist; /* Vector of pointers info bufs */ 570 int seg_count; 571 int page_count; 572 unsigned long *pagelist; 573 unsigned long byte_count; 574 enum { 575 _DRM_DMA_USE_AGP = 0x01, 576 _DRM_DMA_USE_SG = 0x02 577 } flags; 578 } drm_device_dma_t; 579 580 typedef struct drm_agp_mem { 581 void *handle; 582 unsigned long bound; /* address */ 583 int pages; 584 struct drm_agp_mem *prev; 585 struct drm_agp_mem *next; 586 } drm_agp_mem_t; 587 588 typedef struct drm_agp_head { 589 device_t agpdev; 590 struct agp_info info; 591 const char *chipset; 592 drm_agp_mem_t *memory; 593 unsigned long mode; 594 int enabled; 595 int acquired; 596 unsigned long base; 597 int mtrr; 598 int cant_use_aperture; 599 unsigned long page_mask; 600 } drm_agp_head_t; 601 602 typedef struct drm_sg_mem { 603 unsigned long handle; 604 void *virtual; 605 int pages; 606 dma_addr_t *busaddr; 607 struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */ 608 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 609 /* for ATI PCIGART table */ 610 } drm_sg_mem_t; 611 612 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 613 614 #if defined(__NetBSD__) 615 typedef struct { 616 int mapped; 617 int maptype; 618 bus_addr_t base; 619 bus_size_t size; 620 bus_space_handle_t bsh; 621 int flags; 622 void * vaddr; 623 } pci_map_data_t; 624 625 /* XXX */ 626 #define readl(va) (*(volatile u_int32_t *) (va)) 627 #endif 628 629 typedef struct drm_local_map { 630 unsigned long offset; /* Physical address (0 for SAREA)*/ 631 unsigned long size; /* Physical size (bytes) */ 632 enum drm_map_type type; /* Type of memory mapped */ 633 enum drm_map_flags flags; /* Flags */ 634 void *handle; /* User-space: "Handle" to pass to mmap */ 635 /* Kernel-space: kernel-virtual address */ 636 int mtrr; /* Boolean: MTRR used */ 637 /* Private data */ 638 int rid; /* PCI resource ID for bus_space */ 639 #if defined(__FreeBSD__) 640 struct resource *bsr; 641 #endif 642 bus_space_tag_t bst; 643 bus_space_handle_t bsh; 644 drm_dma_handle_t *dmah; 645 #if defined(__NetBSD__) 646 pci_map_data_t *fullmap; 647 bus_size_t mapsize; 648 #endif 649 TAILQ_ENTRY(drm_local_map) link; 650 } drm_local_map_t; 651 652 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 653 typedef struct drm_vbl_sig { 654 TAILQ_ENTRY(drm_vbl_sig) link; 655 unsigned int sequence; 656 int signo; 657 int pid; 658 } drm_vbl_sig_t; 659 660 struct drm_vblank_info { 661 wait_queue_head_t queue; /* vblank wait queue */ 662 atomic_t count; /* number of VBLANK interrupts */ 663 /* (driver must alloc the right number of counters) */ 664 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 665 atomic_t refcount; /* number of users of vblank interrupts */ 666 u32 last; /* protected by dev->vbl_lock, used */ 667 /* for wraparound handling */ 668 int enabled; /* so we don't call enable more than */ 669 /* once per disable */ 670 int inmodeset; /* Display driver is setting mode */ 671 }; 672 673 /* location of GART table */ 674 #define DRM_ATI_GART_MAIN 1 675 #define DRM_ATI_GART_FB 2 676 677 #define DRM_ATI_GART_PCI 1 678 #define DRM_ATI_GART_PCIE 2 679 #define DRM_ATI_GART_IGP 3 680 681 struct drm_ati_pcigart_info { 682 int gart_table_location; 683 int gart_reg_if; 684 void *addr; 685 dma_addr_t bus_addr; 686 dma_addr_t table_mask; 687 dma_addr_t member_mask; 688 struct drm_dma_handle *table_handle; 689 drm_local_map_t mapping; 690 int table_size; 691 }; 692 693 #ifndef DMA_BIT_MASK 694 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 695 #endif 696 697 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 698 699 struct drm_driver_info { 700 int (*load)(struct drm_device *, unsigned long flags); 701 int (*firstopen)(struct drm_device *); 702 int (*open)(struct drm_device *, struct drm_file *); 703 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 704 void (*postclose)(struct drm_device *, struct drm_file *); 705 void (*lastclose)(struct drm_device *); 706 int (*unload)(struct drm_device *); 707 void (*reclaim_buffers_locked)(struct drm_device *, 708 struct drm_file *file_priv); 709 int (*dma_ioctl)(struct drm_device *dev, void *data, 710 struct drm_file *file_priv); 711 void (*dma_ready)(struct drm_device *); 712 int (*dma_quiescent)(struct drm_device *); 713 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 714 enum drm_lock_flags flags); 715 int (*dma_flush_unblock)(struct drm_device *, int context, 716 enum drm_lock_flags flags); 717 int (*context_ctor)(struct drm_device *dev, int context); 718 int (*context_dtor)(struct drm_device *dev, int context); 719 int (*kernel_context_switch)(struct drm_device *dev, int old, 720 int new); 721 int (*kernel_context_switch_unlock)(struct drm_device *dev); 722 void (*irq_preinstall)(struct drm_device *dev); 723 int (*irq_postinstall)(struct drm_device *dev); 724 void (*irq_uninstall)(struct drm_device *dev); 725 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 726 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 727 int (*enable_vblank)(struct drm_device *dev, int crtc); 728 void (*disable_vblank)(struct drm_device *dev, int crtc); 729 730 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 731 732 /** 733 * Called by \c drm_device_is_agp. Typically used to determine if a 734 * card is really attached to AGP or not. 735 * 736 * \param dev DRM device handle 737 * 738 * \returns 739 * One of three values is returned depending on whether or not the 740 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 741 * (return of 1), or may or may not be AGP (return of 2). 742 */ 743 int (*device_is_agp) (struct drm_device * dev); 744 745 drm_ioctl_desc_t *ioctls; 746 int max_ioctl; 747 748 int buf_priv_size; 749 750 int major; 751 int minor; 752 int patchlevel; 753 const char *name; /* Simple driver name */ 754 const char *desc; /* Longer driver name */ 755 const char *date; /* Date of last major changes. */ 756 757 u32 driver_features; 758 }; 759 760 /* Length for the array of resource pointers for drm_get_resource_*. */ 761 #define DRM_MAX_PCI_RESOURCE 6 762 763 /** 764 * DRM device functions structure 765 */ 766 struct drm_device { 767 struct drm_driver_info *driver; 768 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 769 770 u_int16_t pci_device; /* PCI device id */ 771 u_int16_t pci_vendor; /* PCI vendor id */ 772 773 char *unique; /* Unique identifier: e.g., busid */ 774 int unique_len; /* Length of unique field */ 775 device_t device; /* Device instance from newbus */ 776 #if defined(__FreeBSD__) 777 struct cdev *devnode; /* Device number for mknod */ 778 #endif 779 int if_version; /* Highest interface version set */ 780 781 int flags; /* Flags to open(2) */ 782 783 /* Locks */ 784 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 785 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 786 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 787 DRM_SPINTYPE dev_lock; /* protects everything else */ 788 DRM_SPINTYPE drw_lock; 789 790 /* Usage Counters */ 791 int open_count; /* Outstanding files open */ 792 int buf_use; /* Buffers in use -- cannot alloc */ 793 794 /* Performance counters */ 795 unsigned long counters; 796 enum drm_stat_type types[15]; 797 atomic_t counts[15]; 798 799 /* Authentication */ 800 drm_file_list_t files; 801 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 802 803 /* Linked list of mappable regions. Protected by dev_lock */ 804 drm_map_list_t maplist; 805 806 drm_local_map_t **context_sareas; 807 int max_context; 808 809 drm_lock_data_t lock; /* Information on hardware lock */ 810 811 /* DMA queues (contexts) */ 812 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 813 814 /* Context support */ 815 int irq; /* Interrupt used by board */ 816 int irq_enabled; /* True if the irq handler is enabled */ 817 int msi_enabled; /* MSI enabled */ 818 #if defined(__FreeBSD__) 819 int irqrid; /* Interrupt used by board */ 820 struct resource *irqr; /* Resource for interrupt used by board */ 821 822 /* Storage of resource pointers for drm_get_resource_* */ 823 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 824 int pcirid[DRM_MAX_PCI_RESOURCE]; 825 #elif defined(__NetBSD__) 826 struct pci_attach_args pa; 827 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 828 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 829 dev_t kdev; 830 #endif 831 void *irqh; /* Handle from bus_setup_intr */ 832 833 int pci_domain; 834 int pci_bus; 835 int pci_slot; 836 int pci_func; 837 838 atomic_t context_flag; /* Context swapping flag */ 839 int last_context; /* Last current context */ 840 841 int vblank_disable_allowed; 842 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 843 struct callout vblank_disable_timer; 844 u32 max_vblank_count; /* size of vblank counter register */ 845 struct drm_vblank_info *vblank; /* per crtc vblank info */ 846 int num_crtcs; 847 848 #if defined(__FreeBSD__) 849 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 850 #elif defined(__NetBSD__) 851 pid_t buf_pgid; 852 #endif 853 854 /* Sysctl support */ 855 struct drm_sysctl_info *sysctl; 856 857 drm_agp_head_t *agp; 858 drm_sg_mem_t *sg; /* Scatter gather memory */ 859 atomic_t *ctx_bitmap; 860 void *dev_private; 861 unsigned int agp_buffer_token; 862 drm_local_map_t *agp_buffer_map; 863 864 #if defined(__FreeBSD__) 865 struct unrhdr *drw_unrhdr; 866 #elif defined(__NetBSD__) 867 int drw_no; 868 #endif 869 /* RB tree of drawable infos */ 870 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 871 }; 872 873 static __inline__ int drm_core_check_feature(struct drm_device *dev, 874 int feature) 875 { 876 return ((dev->driver->driver_features & feature) ? 1 : 0); 877 } 878 879 #if __OS_HAS_AGP 880 static inline int drm_core_has_AGP(struct drm_device *dev) 881 { 882 return drm_core_check_feature(dev, DRIVER_USE_AGP); 883 } 884 #else 885 #define drm_core_has_AGP(dev) (0) 886 #endif 887 888 #if defined(__FreeBSD__) 889 890 #define DRM_READ8(map, offset) \ 891 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 892 (vm_offset_t)(offset)) 893 #define DRM_READ16(map, offset) \ 894 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 895 (vm_offset_t)(offset)) 896 #define DRM_READ32(map, offset) \ 897 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 898 (vm_offset_t)(offset)) 899 #define DRM_WRITE8(map, offset, val) \ 900 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 901 (vm_offset_t)(offset)) = val 902 #define DRM_WRITE16(map, offset, val) \ 903 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 904 (vm_offset_t)(offset)) = val 905 #define DRM_WRITE32(map, offset, val) \ 906 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 907 (vm_offset_t)(offset)) = val 908 909 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 910 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 911 912 #elif defined(__NetBSD__) 913 914 typedef vaddr_t vm_offset_t; 915 916 #define DRM_IS_BUS_SPACE(map) ((map)->type == _DRM_REGISTERS || \ 917 (map)->type == _DRM_CONSISTENT) 918 919 static __inline__ u_int8_t 920 DRM_READ8(drm_local_map_t *map, bus_size_t offset) 921 { 922 if (DRM_IS_BUS_SPACE(map)) 923 return bus_space_read_1(map->bst, map->bsh, offset); 924 else 925 return *(volatile u_int8_t *)((vaddr_t)map->handle + offset); 926 } 927 928 static __inline__ u_int16_t 929 DRM_READ16(drm_local_map_t *map, bus_size_t offset) 930 { 931 if (DRM_IS_BUS_SPACE(map)) 932 return bus_space_read_2(map->bst, map->bsh, offset); 933 else 934 return *(volatile u_int16_t *)((vaddr_t)map->handle + offset); 935 } 936 937 static __inline__ u_int32_t 938 DRM_READ32(drm_local_map_t *map, bus_size_t offset) 939 { 940 if (DRM_IS_BUS_SPACE(map)) 941 return bus_space_read_4(map->bst, map->bsh, offset); 942 else 943 return *(volatile u_int32_t *)((vaddr_t)map->handle + offset); 944 } 945 946 static __inline__ void 947 DRM_WRITE8(drm_local_map_t *map, bus_size_t offset, u_int8_t val) 948 { 949 if (DRM_IS_BUS_SPACE(map)) 950 bus_space_write_1(map->bst, map->bsh, offset, val); 951 else 952 *(volatile u_int8_t *)((vaddr_t)map->handle + offset) = val; 953 } 954 955 static __inline__ void 956 DRM_WRITE16(drm_local_map_t *map, bus_size_t offset, u_int16_t val) 957 { 958 if (DRM_IS_BUS_SPACE(map)) 959 bus_space_write_2(map->bst, map->bsh, offset, val); 960 else 961 *(volatile u_int16_t *)((vaddr_t)map->handle + offset) = val; 962 } 963 964 static __inline__ void 965 DRM_WRITE32(drm_local_map_t *map, bus_size_t offset, u_int32_t val) 966 { 967 if (DRM_IS_BUS_SPACE(map)) 968 bus_space_write_4(map->bst, map->bsh, offset, val); 969 else 970 *(volatile u_int32_t *)((vaddr_t)map->handle + offset) = val; 971 } 972 973 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 974 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 975 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 976 977 #endif 978 979 extern int drm_debug_flag; 980 981 /* Device setup support (drm_drv.c) */ 982 #if defined(__FreeBSD__) 983 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 984 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 985 void drm_close(void *data); 986 int drm_detach(device_t kdev); 987 d_ioctl_t drm_ioctl; 988 d_open_t drm_open; 989 d_read_t drm_read; 990 d_poll_t drm_poll; 991 d_mmap_t drm_mmap; 992 #elif defined(__NetBSD__) 993 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 994 void drm_attach(device_t kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 995 int drm_detach(device_t self, int flags); 996 dev_type_ioctl(drm_ioctl); 997 dev_type_open(drm_open); 998 dev_type_close(drm_close); 999 dev_type_read(drm_read); 1000 dev_type_poll(drm_poll); 1001 dev_type_mmap(drm_mmap); 1002 #endif 1003 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1004 1005 int drm_close_pid(struct drm_device *dev, struct drm_file *priv, pid_t pid); 1006 1007 /* File operations helpers (drm_fops.c) */ 1008 #if defined(__FreeBSD__) 1009 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1010 DRM_STRUCTPROC *p, 1011 struct drm_device *dev); 1012 #elif defined(__NetBSD__) 1013 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev, 1014 struct proc *p); 1015 extern int drm_open_helper(dev_t kdev, int flags, int fmt, 1016 struct proc *p, struct drm_device *dev); 1017 #endif 1018 1019 /* Memory management support (drm_memory.c) */ 1020 void drm_mem_init(void); 1021 void drm_mem_uninit(void); 1022 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 1023 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1024 void drm_ioremapfree(drm_local_map_t *map); 1025 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1026 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1027 1028 int drm_context_switch(struct drm_device *dev, int old, int new); 1029 int drm_context_switch_complete(struct drm_device *dev, int new); 1030 1031 int drm_ctxbitmap_init(struct drm_device *dev); 1032 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1033 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1034 int drm_ctxbitmap_next(struct drm_device *dev); 1035 1036 /* Locking IOCTL support (drm_lock.c) */ 1037 int drm_lock_take(struct drm_lock_data *lock_data, 1038 unsigned int context); 1039 int drm_lock_transfer(struct drm_lock_data *lock_data, 1040 unsigned int context); 1041 int drm_lock_free(struct drm_lock_data *lock_data, 1042 unsigned int context); 1043 1044 /* Buffer management support (drm_bufs.c) */ 1045 unsigned long drm_get_resource_start(struct drm_device *dev, 1046 unsigned int resource); 1047 unsigned long drm_get_resource_len(struct drm_device *dev, 1048 unsigned int resource); 1049 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1050 int drm_order(unsigned long size); 1051 int drm_addmap(struct drm_device *dev, unsigned long offset, 1052 unsigned long size, 1053 enum drm_map_type type, enum drm_map_flags flags, 1054 drm_local_map_t **map_ptr); 1055 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 1056 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 1057 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 1058 1059 /* DMA support (drm_dma.c) */ 1060 int drm_dma_setup(struct drm_device *dev); 1061 void drm_dma_takedown(struct drm_device *dev); 1062 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1063 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1064 #define drm_core_reclaim_buffers drm_reclaim_buffers 1065 1066 /* IRQ support (drm_irq.c) */ 1067 int drm_irq_install(struct drm_device *dev); 1068 int drm_irq_uninstall(struct drm_device *dev); 1069 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1070 void drm_driver_irq_preinstall(struct drm_device *dev); 1071 void drm_driver_irq_postinstall(struct drm_device *dev); 1072 void drm_driver_irq_uninstall(struct drm_device *dev); 1073 void drm_handle_vblank(struct drm_device *dev, int crtc); 1074 u32 drm_vblank_count(struct drm_device *dev, int crtc); 1075 int drm_vblank_get(struct drm_device *dev, int crtc); 1076 void drm_vblank_put(struct drm_device *dev, int crtc); 1077 void drm_vblank_cleanup(struct drm_device *dev); 1078 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1079 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1080 void drm_vbl_send_signals(struct drm_device *dev, int crtc); 1081 int drm_modeset_ctl(struct drm_device *dev, void *data, 1082 struct drm_file *file_priv); 1083 1084 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1085 int drm_device_is_agp(struct drm_device *dev); 1086 int drm_device_is_pcie(struct drm_device *dev); 1087 drm_agp_head_t *drm_agp_init(struct drm_device *dev); 1088 int drm_agp_acquire(struct drm_device *dev); 1089 int drm_agp_release(struct drm_device *dev); 1090 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 1091 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1092 void *drm_agp_allocate_memory(size_t pages, u32 type); 1093 int drm_agp_free_memory(void *handle); 1094 int drm_agp_bind_memory(void *handle, off_t start); 1095 int drm_agp_unbind_memory(void *handle); 1096 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1097 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1098 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1099 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1100 1101 /* Scatter Gather Support (drm_scatter.c) */ 1102 void drm_sg_cleanup(drm_sg_mem_t *entry); 1103 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1104 1105 /* sysctl support (drm_sysctl.h) */ 1106 extern int drm_sysctl_init(struct drm_device *dev); 1107 extern int drm_sysctl_cleanup(struct drm_device *dev); 1108 1109 /* ATI PCIGART support (ati_pcigart.c) */ 1110 int drm_ati_pcigart_init(struct drm_device *dev, 1111 struct drm_ati_pcigart_info *gart_info); 1112 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1113 struct drm_ati_pcigart_info *gart_info); 1114 1115 /* Locking IOCTL support (drm_drv.c) */ 1116 int drm_lock(struct drm_device *dev, void *data, 1117 struct drm_file *file_priv); 1118 int drm_unlock(struct drm_device *dev, void *data, 1119 struct drm_file *file_priv); 1120 int drm_version(struct drm_device *dev, void *data, 1121 struct drm_file *file_priv); 1122 int drm_setversion(struct drm_device *dev, void *data, 1123 struct drm_file *file_priv); 1124 1125 /* Misc. IOCTL support (drm_ioctl.c) */ 1126 int drm_irq_by_busid(struct drm_device *dev, void *data, 1127 struct drm_file *file_priv); 1128 int drm_getunique(struct drm_device *dev, void *data, 1129 struct drm_file *file_priv); 1130 int drm_setunique(struct drm_device *dev, void *data, 1131 struct drm_file *file_priv); 1132 int drm_getmap(struct drm_device *dev, void *data, 1133 struct drm_file *file_priv); 1134 int drm_getclient(struct drm_device *dev, void *data, 1135 struct drm_file *file_priv); 1136 int drm_getstats(struct drm_device *dev, void *data, 1137 struct drm_file *file_priv); 1138 int drm_noop(struct drm_device *dev, void *data, 1139 struct drm_file *file_priv); 1140 1141 /* Context IOCTL support (drm_context.c) */ 1142 int drm_resctx(struct drm_device *dev, void *data, 1143 struct drm_file *file_priv); 1144 int drm_addctx(struct drm_device *dev, void *data, 1145 struct drm_file *file_priv); 1146 int drm_modctx(struct drm_device *dev, void *data, 1147 struct drm_file *file_priv); 1148 int drm_getctx(struct drm_device *dev, void *data, 1149 struct drm_file *file_priv); 1150 int drm_switchctx(struct drm_device *dev, void *data, 1151 struct drm_file *file_priv); 1152 int drm_newctx(struct drm_device *dev, void *data, 1153 struct drm_file *file_priv); 1154 int drm_rmctx(struct drm_device *dev, void *data, 1155 struct drm_file *file_priv); 1156 int drm_setsareactx(struct drm_device *dev, void *data, 1157 struct drm_file *file_priv); 1158 int drm_getsareactx(struct drm_device *dev, void *data, 1159 struct drm_file *file_priv); 1160 1161 /* Drawable IOCTL support (drm_drawable.c) */ 1162 int drm_adddraw(struct drm_device *dev, void *data, 1163 struct drm_file *file_priv); 1164 int drm_rmdraw(struct drm_device *dev, void *data, 1165 struct drm_file *file_priv); 1166 int drm_update_draw(struct drm_device *dev, void *data, 1167 struct drm_file *file_priv); 1168 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1169 int handle); 1170 1171 /* Drawable support (drm_drawable.c) */ 1172 void drm_drawable_free_all(struct drm_device *dev); 1173 1174 /* Authentication IOCTL support (drm_auth.c) */ 1175 int drm_getmagic(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177 int drm_authmagic(struct drm_device *dev, void *data, 1178 struct drm_file *file_priv); 1179 1180 /* Buffer management support (drm_bufs.c) */ 1181 int drm_addmap_ioctl(struct drm_device *dev, void *data, 1182 struct drm_file *file_priv); 1183 int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1184 struct drm_file *file_priv); 1185 int drm_addbufs(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187 int drm_infobufs(struct drm_device *dev, void *data, 1188 struct drm_file *file_priv); 1189 int drm_markbufs(struct drm_device *dev, void *data, 1190 struct drm_file *file_priv); 1191 int drm_freebufs(struct drm_device *dev, void *data, 1192 struct drm_file *file_priv); 1193 int drm_mapbufs(struct drm_device *dev, void *data, 1194 struct drm_file *file_priv); 1195 1196 /* DMA support (drm_dma.c) */ 1197 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1198 1199 /* IRQ support (drm_irq.c) */ 1200 int drm_control(struct drm_device *dev, void *data, 1201 struct drm_file *file_priv); 1202 int drm_wait_vblank(struct drm_device *dev, void *data, 1203 struct drm_file *file_priv); 1204 1205 /* AGP/GART support (drm_agpsupport.c) */ 1206 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1211 struct drm_file *file_priv); 1212 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1215 struct drm_file *file_priv); 1216 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1219 struct drm_file *file_priv); 1220 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1221 struct drm_file *file_priv); 1222 1223 /* Scatter Gather Support (drm_scatter.c) */ 1224 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1225 struct drm_file *file_priv); 1226 int drm_sg_free(struct drm_device *dev, void *data, 1227 struct drm_file *file_priv); 1228 1229 /* consistent PCI memory functions (drm_pci.c) */ 1230 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1231 size_t align, dma_addr_t maxaddr); 1232 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1233 1234 /* Inline replacements for drm_alloc and friends */ 1235 static __inline__ void * 1236 drm_alloc(size_t size, struct malloc_type *area) 1237 { 1238 return malloc(size, area, M_NOWAIT); 1239 } 1240 1241 static __inline__ void * 1242 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 1243 { 1244 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 1245 } 1246 1247 static __inline__ void * 1248 drm_realloc(void *oldpt, size_t oldsize, size_t size, 1249 struct malloc_type *area) 1250 { 1251 #if defined(__FreeBSD__) 1252 return reallocf(oldpt, size, area, M_NOWAIT); 1253 #elif defined(__NetBSD__) 1254 void *pt; 1255 1256 pt = malloc(size, area, M_NOWAIT); 1257 if (pt == NULL) 1258 return NULL; 1259 if (oldpt && oldsize) { 1260 memcpy(pt, oldpt, oldsize); 1261 free(oldpt, area); 1262 } 1263 return pt; 1264 #endif 1265 } 1266 1267 static __inline__ void 1268 drm_free(void *pt, size_t size, struct malloc_type *area) 1269 { 1270 free(pt, area); 1271 } 1272 1273 /* Inline replacements for DRM_IOREMAP macros */ 1274 static __inline__ void 1275 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 1276 { 1277 map->handle = drm_ioremap_wc(dev, map); 1278 } 1279 static __inline__ void 1280 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1281 { 1282 map->handle = drm_ioremap(dev, map); 1283 } 1284 static __inline__ void 1285 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1286 { 1287 if ( map->handle && map->size ) 1288 drm_ioremapfree(map); 1289 } 1290 1291 static __inline__ struct drm_local_map * 1292 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1293 { 1294 drm_local_map_t *map; 1295 1296 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1297 TAILQ_FOREACH(map, &dev->maplist, link) { 1298 if (map->offset == offset) 1299 return map; 1300 } 1301 return NULL; 1302 } 1303 1304 static __inline__ void drm_core_dropmap(struct drm_map *map) 1305 { 1306 } 1307 1308 #endif /* __KERNEL__ */ 1309 #endif /* _DRM_P_H_ */ 1310
Indexes created Thu Oct 02 14:10:14 GMT 2025