drmP.h revision 1.19.4.1
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 MALLOC_DECLARE(DRM_MEM_MM); 190 191 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 192 193 /* Internal types and structures */ 194 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 195 #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 196 #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 197 198 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 199 200 #define __OS_HAS_AGP 1 201 202 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 203 #define DRM_DEV_UID 0 204 #define DRM_DEV_GID 0 205 206 #define wait_queue_head_t atomic_t 207 #define DRM_WAKEUP(w) wakeup((void *)w) 208 #define DRM_WAKEUP_INT(w) wakeup(w) 209 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 210 211 #if defined(__FreeBSD__) 212 #define DRM_CDEV struct cdev * 213 #define DRM_CURPROC curthread 214 #define DRM_STRUCTPROC struct thread 215 #define DRM_STRUCTCDEVPROC struct thread 216 #define DRM_CDEVPROC_REAL(p) (p) 217 #define DRM_IOCTL_DATA caddr_t 218 #define DRM_SPINTYPE struct mtx 219 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 220 #define DRM_SPINUNINIT(l) mtx_destroy(l) 221 #define DRM_SPINLOCK(l) mtx_lock(l) 222 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 223 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 224 mtx_lock(l); \ 225 (void)irqflags; \ 226 } while (0) 227 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 228 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 229 #define DRM_CURRENTPID curthread->td_proc->p_pid 230 #define DRM_LOCK() mtx_lock(&dev->dev_lock) 231 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 232 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 233 #elif defined(__NetBSD__) 234 #define DRM_CDEV dev_t 235 #define DRM_CURPROC curproc 236 #define DRM_STRUCTPROC struct proc 237 #define DRM_STRUCTCDEVPROC struct lwp 238 #define DRM_CDEVPROC_REAL(l) (l)->l_proc 239 #define DRM_IOCTL_DATA void * 240 #define DRM_SPINTYPE kmutex_t 241 #define DRM_SPININIT(l,name) mutex_init(l, MUTEX_DEFAULT, /*IPL_NONE*/ IPL_VM) 242 #define DRM_SPINUNINIT(l) mutex_destroy(l) 243 #define DRM_SPINLOCK(l) mutex_enter(l) 244 #define DRM_SPINUNLOCK(u) mutex_exit(u) 245 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 246 mutex_enter(l); \ 247 (void)irqflags; \ 248 } while (0) 249 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u) 250 #define DRM_SPINLOCK_ASSERT(l) mutex_owned(l) 251 #define DRM_CURRENTPID curproc->p_pid 252 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock) 253 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock) 254 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTLFN_ARGS) 255 #define vslock(addr, len) uvm_vslock(curproc->p_vmspace, addr, len, VM_PROT_READ | VM_PROT_WRITE) 256 #define vsunlock(addr, len) uvm_vsunlock(curproc->p_vmspace, addr, len) 257 #endif 258 259 #define DRM_IRQ_ARGS void *arg 260 #if defined(__FreeBSD__) 261 typedef void irqreturn_t; 262 #define IRQ_HANDLED /* nothing */ 263 #define IRQ_NONE /* nothing */ 264 #elif defined(__NetBSD__) 265 typedef int irqreturn_t; 266 #define IRQ_HANDLED 1 267 #define IRQ_NONE 0 268 #endif 269 270 #define container_of(ptr, type, member) ({ \ 271 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 272 (type *)( (char *)__mptr - offsetof(type,member) );}) 273 274 enum { 275 DRM_IS_NOT_AGP, 276 DRM_IS_AGP, 277 DRM_MIGHT_BE_AGP 278 }; 279 #define DRM_AGP_MEM struct agp_memory_info 280 281 #if defined(__FreeBSD__) 282 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 283 #elif defined(__NetBSD__) 284 #define drm_get_device_from_kdev(_kdev) ((minor(_kdev) < DRM_MAXUNITS) ? \ 285 drm_units[minor(_kdev)] : NULL) 286 #endif 287 288 #if defined(__FreeBSD__) 289 #define PAGE_ALIGN(addr) round_page(addr) 290 /* DRM_SUSER returns true if the user is superuser */ 291 #if __FreeBSD_version >= 700000 292 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 293 #else 294 #define DRM_SUSER(p) (suser(p) == 0) 295 #endif 296 #define DRM_AGP_FIND_DEVICE() agp_find_device() 297 #define DRM_MTRR_WC MDF_WRITECOMBINE 298 #define jiffies ticks 299 300 #elif defined(__NetBSD__) 301 302 #define PAGE_ALIGN(addr) round_page(addr) 303 #define DRM_SUSER(p) (kauth_cred_getsvuid((p)->p_cred) == 0) 304 #define DRM_AGP_FIND_DEVICE() agp_find_device(0) 305 #ifdef MTRR_TYPE_WC 306 #define DRM_MTRR_WC MTRR_TYPE_WC 307 #else 308 #define DRM_MTRR_WC 0 309 #endif 310 #define jiffies hardclock_ticks 311 312 #define DRM_MAXUNITS 128 313 extern struct drm_device *drm_units[]; 314 315 #endif 316 317 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 318 #ifndef PCIY_AGP 319 #define PCIY_AGP 0x02 320 #endif 321 322 #ifndef PCIY_EXPRESS 323 #define PCIY_EXPRESS 0x10 324 #endif 325 326 typedef unsigned long dma_addr_t; 327 #if defined(__FreeBSD__) 328 typedef u_int64_t u64; 329 typedef u_int32_t u32; 330 typedef u_int16_t u16; 331 typedef u_int8_t u8; 332 #else 333 typedef uint64_t u64; 334 typedef uint32_t u32; 335 typedef uint16_t u16; 336 typedef uint8_t u8; 337 #endif 338 339 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 340 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 341 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 342 */ 343 #if defined(__NetBSD__) 344 #define DRM_READMEMORYBARRIER() membar_consumer() 345 #define DRM_WRITEMEMORYBARRIER() membar_producer() 346 #define DRM_MEMORYBARRIER() membar_sync() 347 #elif defined(__i386__) 348 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 349 "lock; addl $0,0(%%esp)" : : : "memory"); 350 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 351 #define DRM_MEMORYBARRIER() __asm __volatile( \ 352 "lock; addl $0,0(%%esp)" : : : "memory"); 353 #elif defined(__alpha__) 354 #define DRM_READMEMORYBARRIER() alpha_mb(); 355 #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 356 #define DRM_MEMORYBARRIER() alpha_mb(); 357 #elif defined(__amd64__) 358 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 359 "lock; addl $0,0(%%rsp)" : : : "memory"); 360 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 361 #define DRM_MEMORYBARRIER() __asm __volatile( \ 362 "lock; addl $0,0(%%rsp)" : : : "memory"); 363 #endif 364 365 #define DRM_COPY_TO_USER(user, kern, size) \ 366 copyout(kern, user, size) 367 #define DRM_COPY_FROM_USER(kern, user, size) \ 368 copyin(user, kern, size) 369 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 370 copyin(arg2, arg1, arg3) 371 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 372 copyout(arg2, arg1, arg3) 373 #if defined(__FreeBSD__) 374 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 375 ((val) = fuword32(uaddr), 0) 376 #else 377 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 378 ((val) = fuword(uaddr), 0) 379 #endif 380 381 #define cpu_to_le32(x) htole32(x) 382 #define le32_to_cpu(x) le32toh(x) 383 384 #define DRM_HZ hz 385 #define DRM_UDELAY(udelay) DELAY(udelay) 386 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 387 388 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 389 (_map) = (_dev)->context_sareas[_ctx]; \ 390 } while(0) 391 392 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 393 do { \ 394 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 395 dev->lock.file_priv != file_priv) { \ 396 DRM_ERROR("%s called without lock held\n", \ 397 __FUNCTION__); \ 398 return EINVAL; \ 399 } \ 400 } while (0) 401 402 /* Returns -errno to shared code */ 403 #if defined(__FreeBSD__) 404 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 405 for ( ret = 0 ; !ret && !(condition) ; ) { \ 406 DRM_UNLOCK(); \ 407 mtx_lock(&dev->irq_lock); \ 408 if (!(condition)) \ 409 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 410 PCATCH, "drmwtq", (timeout)); \ 411 mtx_unlock(&dev->irq_lock); \ 412 DRM_LOCK(); \ 413 } 414 #elif defined(__NetBSD__) 415 /* Returns -errno to shared code */ 416 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 417 for ( ret = 0 ; !ret && !(condition) ; ) { \ 418 DRM_UNLOCK(); \ 419 mutex_enter(&dev->irq_lock); \ 420 if (!(condition)) \ 421 ret = -mtsleep(&(queue), PCATCH, \ 422 "drmwtq", (timeout), &dev->irq_lock); \ 423 mutex_exit(&dev->irq_lock); \ 424 DRM_LOCK(); \ 425 } 426 #endif 427 428 #define DRM_ERROR(fmt, ...) \ 429 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 430 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 431 432 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 433 434 #define DRM_DEBUG(fmt, ...) do { \ 435 if (drm_debug_flag) \ 436 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 437 __func__ , ##__VA_ARGS__); \ 438 } while (0) 439 440 typedef struct drm_pci_id_list 441 { 442 int vendor; 443 int device; 444 long driver_private; 445 #if defined(__NetBSD__) 446 const char *name; 447 #else 448 char *name; 449 #endif 450 } drm_pci_id_list_t; 451 452 struct drm_msi_blacklist_entry 453 { 454 int vendor; 455 int device; 456 }; 457 458 #define DRM_AUTH 0x1 459 #define DRM_MASTER 0x2 460 #define DRM_ROOT_ONLY 0x4 461 typedef struct drm_ioctl_desc { 462 unsigned long cmd; 463 int (*func)(struct drm_device *dev, void *data, 464 struct drm_file *file_priv); 465 int flags; 466 } drm_ioctl_desc_t; 467 /** 468 * Creates a driver or general drm_ioctl_desc array entry for the given 469 * ioctl, for use by drm_ioctl(). 470 */ 471 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 472 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 473 474 typedef struct drm_magic_entry { 475 drm_magic_t magic; 476 struct drm_file *priv; 477 struct drm_magic_entry *next; 478 } drm_magic_entry_t; 479 480 typedef struct drm_magic_head { 481 struct drm_magic_entry *head; 482 struct drm_magic_entry *tail; 483 } drm_magic_head_t; 484 485 typedef struct drm_buf { 486 int idx; /* Index into master buflist */ 487 int total; /* Buffer size */ 488 int order; /* log-base-2(total) */ 489 int used; /* Amount of buffer in use (for DMA) */ 490 unsigned long offset; /* Byte offset (used internally) */ 491 void *address; /* Address of buffer */ 492 unsigned long bus_address; /* Bus address of buffer */ 493 struct drm_buf *next; /* Kernel-only: used for free list */ 494 __volatile__ int pending; /* On hardware DMA queue */ 495 struct drm_file *file_priv; /* Unique identifier of holding process */ 496 int context; /* Kernel queue for this buffer */ 497 enum { 498 DRM_LIST_NONE = 0, 499 DRM_LIST_FREE = 1, 500 DRM_LIST_WAIT = 2, 501 DRM_LIST_PEND = 3, 502 DRM_LIST_PRIO = 4, 503 DRM_LIST_RECLAIM = 5 504 } list; /* Which list we're on */ 505 506 int dev_priv_size; /* Size of buffer private stoarge */ 507 void *dev_private; /* Per-buffer private storage */ 508 } drm_buf_t; 509 510 typedef struct drm_freelist { 511 int initialized; /* Freelist in use */ 512 atomic_t count; /* Number of free buffers */ 513 drm_buf_t *next; /* End pointer */ 514 515 int low_mark; /* Low water mark */ 516 int high_mark; /* High water mark */ 517 } drm_freelist_t; 518 519 typedef struct drm_dma_handle { 520 void *vaddr; 521 bus_addr_t busaddr; 522 bus_dma_tag_t tag; 523 bus_dmamap_t map; 524 #if defined(__NetBSD__) 525 size_t size; 526 size_t nsegs; 527 bus_dma_segment_t segs[1]; 528 #endif 529 } drm_dma_handle_t; 530 531 typedef struct drm_buf_entry { 532 int buf_size; 533 int buf_count; 534 drm_buf_t *buflist; 535 int seg_count; 536 drm_dma_handle_t **seglist; 537 int page_order; 538 539 drm_freelist_t freelist; 540 } drm_buf_entry_t; 541 542 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 543 struct drm_file { 544 TAILQ_ENTRY(drm_file) link; 545 struct drm_device *dev; 546 int authenticated; 547 int master; 548 int minor; 549 pid_t pid; 550 uid_t uid; 551 drm_magic_t magic; 552 unsigned long ioctl_count; 553 void *driver_priv; 554 }; 555 556 typedef struct drm_lock_data { 557 struct drm_hw_lock *hw_lock; /* Hardware lock */ 558 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 559 int lock_queue; /* Queue of blocked processes */ 560 unsigned long lock_time; /* Time of last lock in jiffies */ 561 } drm_lock_data_t; 562 563 /* This structure, in the struct drm_device, is always initialized while the 564 * device 565 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 566 * when set marks that no further bufs may be allocated until device teardown 567 * occurs (when the last open of the device has closed). The high/low 568 * watermarks of bufs are only touched by the X Server, and thus not 569 * concurrently accessed, so no locking is needed. 570 */ 571 typedef struct drm_device_dma { 572 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 573 int buf_count; 574 drm_buf_t **buflist; /* Vector of pointers info bufs */ 575 int seg_count; 576 int page_count; 577 unsigned long *pagelist; 578 unsigned long byte_count; 579 enum { 580 _DRM_DMA_USE_AGP = 0x01, 581 _DRM_DMA_USE_SG = 0x02 582 } flags; 583 } drm_device_dma_t; 584 585 typedef struct drm_agp_mem { 586 void *handle; 587 unsigned long bound; /* address */ 588 int pages; 589 struct drm_agp_mem *prev; 590 struct drm_agp_mem *next; 591 } drm_agp_mem_t; 592 593 typedef struct drm_agp_head { 594 device_t agpdev; 595 struct agp_info info; 596 const char *chipset; 597 drm_agp_mem_t *memory; 598 unsigned long mode; 599 int enabled; 600 int acquired; 601 unsigned long base; 602 int mtrr; 603 int cant_use_aperture; 604 unsigned long page_mask; 605 } drm_agp_head_t; 606 607 typedef struct drm_sg_mem { 608 unsigned long handle; 609 void *virtual; 610 int pages; 611 dma_addr_t *busaddr; 612 struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */ 613 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 614 /* for ATI PCIGART table */ 615 } drm_sg_mem_t; 616 617 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 618 619 #if defined(__NetBSD__) 620 typedef struct { 621 int mapped; 622 int maptype; 623 bus_addr_t base; 624 bus_size_t size; 625 bus_space_handle_t bsh; 626 int flags; 627 void * vaddr; 628 } pci_map_data_t; 629 630 /* XXX */ 631 #define readl(va) (*(volatile u_int32_t *) (va)) 632 #endif 633 634 typedef struct drm_local_map { 635 unsigned long offset; /* Physical address (0 for SAREA)*/ 636 unsigned long size; /* Physical size (bytes) */ 637 enum drm_map_type type; /* Type of memory mapped */ 638 enum drm_map_flags flags; /* Flags */ 639 void *handle; /* User-space: "Handle" to pass to mmap */ 640 /* Kernel-space: kernel-virtual address */ 641 int mtrr; /* Boolean: MTRR used */ 642 /* Private data */ 643 int rid; /* PCI resource ID for bus_space */ 644 #if defined(__FreeBSD__) 645 struct resource *bsr; 646 #endif 647 bus_space_tag_t bst; 648 bus_space_handle_t bsh; 649 drm_dma_handle_t *dmah; 650 #if defined(__NetBSD__) 651 pci_map_data_t *fullmap; 652 bus_size_t mapsize; 653 #endif 654 TAILQ_ENTRY(drm_local_map) link; 655 } drm_local_map_t; 656 657 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 658 typedef struct drm_vbl_sig { 659 TAILQ_ENTRY(drm_vbl_sig) link; 660 unsigned int sequence; 661 int signo; 662 int pid; 663 } drm_vbl_sig_t; 664 665 struct drm_vblank_info { 666 wait_queue_head_t queue; /* vblank wait queue */ 667 atomic_t count; /* number of VBLANK interrupts */ 668 /* (driver must alloc the right number of counters) */ 669 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 670 atomic_t refcount; /* number of users of vblank interrupts */ 671 u32 last; /* protected by dev->vbl_lock, used */ 672 /* for wraparound handling */ 673 int enabled; /* so we don't call enable more than */ 674 /* once per disable */ 675 int inmodeset; /* Display driver is setting mode */ 676 }; 677 678 /* location of GART table */ 679 #define DRM_ATI_GART_MAIN 1 680 #define DRM_ATI_GART_FB 2 681 682 #define DRM_ATI_GART_PCI 1 683 #define DRM_ATI_GART_PCIE 2 684 #define DRM_ATI_GART_IGP 3 685 686 struct drm_ati_pcigart_info { 687 int gart_table_location; 688 int gart_reg_if; 689 void *addr; 690 dma_addr_t bus_addr; 691 dma_addr_t table_mask; 692 dma_addr_t member_mask; 693 struct drm_dma_handle *table_handle; 694 drm_local_map_t mapping; 695 int table_size; 696 }; 697 698 #ifndef DMA_BIT_MASK 699 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 700 #endif 701 702 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 703 704 struct drm_driver_info { 705 int (*load)(struct drm_device *, unsigned long flags); 706 int (*firstopen)(struct drm_device *); 707 int (*open)(struct drm_device *, struct drm_file *); 708 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 709 void (*postclose)(struct drm_device *, struct drm_file *); 710 void (*lastclose)(struct drm_device *); 711 int (*unload)(struct drm_device *); 712 void (*reclaim_buffers_locked)(struct drm_device *, 713 struct drm_file *file_priv); 714 int (*dma_ioctl)(struct drm_device *dev, void *data, 715 struct drm_file *file_priv); 716 void (*dma_ready)(struct drm_device *); 717 int (*dma_quiescent)(struct drm_device *); 718 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 719 enum drm_lock_flags flags); 720 int (*dma_flush_unblock)(struct drm_device *, int context, 721 enum drm_lock_flags flags); 722 int (*context_ctor)(struct drm_device *dev, int context); 723 int (*context_dtor)(struct drm_device *dev, int context); 724 int (*kernel_context_switch)(struct drm_device *dev, int old, 725 int new); 726 int (*kernel_context_switch_unlock)(struct drm_device *dev); 727 void (*irq_preinstall)(struct drm_device *dev); 728 int (*irq_postinstall)(struct drm_device *dev); 729 void (*irq_uninstall)(struct drm_device *dev); 730 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 731 u32 (*get_vblank_counter)(struct drm_device *dev, unsigned int crtc); 732 int (*enable_vblank)(struct drm_device *dev, unsigned int crtc); 733 void (*disable_vblank)(struct drm_device *dev, unsigned int crtc); 734 735 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 736 737 /** 738 * Called by \c drm_device_is_agp. Typically used to determine if a 739 * card is really attached to AGP or not. 740 * 741 * \param dev DRM device handle 742 * 743 * \returns 744 * One of three values is returned depending on whether or not the 745 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 746 * (return of 1), or may or may not be AGP (return of 2). 747 */ 748 int (*device_is_agp) (struct drm_device * dev); 749 750 drm_ioctl_desc_t *ioctls; 751 int max_ioctl; 752 753 int buf_priv_size; 754 755 int major; 756 int minor; 757 int patchlevel; 758 const char *name; /* Simple driver name */ 759 const char *desc; /* Longer driver name */ 760 const char *date; /* Date of last major changes. */ 761 762 u32 driver_features; 763 }; 764 765 /* Length for the array of resource pointers for drm_get_resource_*. */ 766 #define DRM_MAX_PCI_RESOURCE 6 767 768 /** 769 * DRM device functions structure 770 */ 771 struct drm_device { 772 struct drm_driver_info *driver; 773 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 774 775 u_int16_t pci_device; /* PCI device id */ 776 u_int16_t pci_vendor; /* PCI vendor id */ 777 778 char *unique; /* Unique identifier: e.g., busid */ 779 int unique_len; /* Length of unique field */ 780 device_t device; /* Device instance from newbus */ 781 #if defined(__FreeBSD__) 782 struct cdev *devnode; /* Device number for mknod */ 783 #endif 784 int if_version; /* Highest interface version set */ 785 786 int flags; /* Flags to open(2) */ 787 788 /* Locks */ 789 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 790 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 791 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 792 DRM_SPINTYPE dev_lock; /* protects everything else */ 793 DRM_SPINTYPE drw_lock; 794 795 /* Usage Counters */ 796 int open_count; /* Outstanding files open */ 797 int buf_use; /* Buffers in use -- cannot alloc */ 798 799 /* Performance counters */ 800 unsigned long counters; 801 enum drm_stat_type types[15]; 802 atomic_t counts[15]; 803 804 /* Authentication */ 805 drm_file_list_t files; 806 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 807 808 /* Linked list of mappable regions. Protected by dev_lock */ 809 drm_map_list_t maplist; 810 811 drm_local_map_t **context_sareas; 812 int max_context; 813 814 drm_lock_data_t lock; /* Information on hardware lock */ 815 816 /* DMA queues (contexts) */ 817 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 818 819 /* Context support */ 820 int irq; /* Interrupt used by board */ 821 int irq_enabled; /* True if the irq handler is enabled */ 822 int msi_enabled; /* MSI enabled */ 823 #if defined(__FreeBSD__) 824 int irqrid; /* Interrupt used by board */ 825 struct resource *irqr; /* Resource for interrupt used by board */ 826 827 /* Storage of resource pointers for drm_get_resource_* */ 828 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 829 int pcirid[DRM_MAX_PCI_RESOURCE]; 830 #elif defined(__NetBSD__) 831 struct pci_attach_args pa; 832 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 833 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 834 dev_t kdev; 835 #endif 836 void *irqh; /* Handle from bus_setup_intr */ 837 838 int pci_domain; 839 int pci_bus; 840 int pci_slot; 841 int pci_func; 842 843 atomic_t context_flag; /* Context swapping flag */ 844 int last_context; /* Last current context */ 845 846 int vblank_disable_allowed; 847 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 848 struct callout vblank_disable_timer; 849 u32 max_vblank_count; /* size of vblank counter register */ 850 struct drm_vblank_info *vblank; /* per crtc vblank info */ 851 int num_crtcs; 852 853 #if defined(__FreeBSD__) 854 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 855 #elif defined(__NetBSD__) 856 pid_t buf_pgid; 857 #endif 858 859 /* Sysctl support */ 860 struct drm_sysctl_info *sysctl; 861 862 drm_agp_head_t *agp; 863 drm_sg_mem_t *sg; /* Scatter gather memory */ 864 atomic_t *ctx_bitmap; 865 void *dev_private; 866 unsigned int agp_buffer_token; 867 drm_local_map_t *agp_buffer_map; 868 869 #if defined(__FreeBSD__) 870 struct unrhdr *drw_unrhdr; 871 #elif defined(__NetBSD__) 872 int drw_no; 873 #endif 874 /* RB tree of drawable infos */ 875 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 876 }; 877 878 static __inline__ int drm_core_check_feature(struct drm_device *dev, 879 int feature) 880 { 881 return ((dev->driver->driver_features & feature) ? 1 : 0); 882 } 883 884 #if __OS_HAS_AGP 885 static inline int drm_core_has_AGP(struct drm_device *dev) 886 { 887 return drm_core_check_feature(dev, DRIVER_USE_AGP); 888 } 889 #else 890 #define drm_core_has_AGP(dev) (0) 891 #endif 892 893 #if defined(__FreeBSD__) 894 895 #define DRM_READ8(map, offset) \ 896 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 897 (vm_offset_t)(offset)) 898 #define DRM_READ16(map, offset) \ 899 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 900 (vm_offset_t)(offset)) 901 #define DRM_READ32(map, offset) \ 902 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 903 (vm_offset_t)(offset)) 904 #define DRM_WRITE8(map, offset, val) \ 905 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 906 (vm_offset_t)(offset)) = val 907 #define DRM_WRITE16(map, offset, val) \ 908 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 909 (vm_offset_t)(offset)) = val 910 #define DRM_WRITE32(map, offset, val) \ 911 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 912 (vm_offset_t)(offset)) = val 913 914 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 915 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 916 917 #elif defined(__NetBSD__) 918 919 typedef vaddr_t vm_offset_t; 920 921 #define DRM_IS_BUS_SPACE(map) ((map)->type == _DRM_REGISTERS || \ 922 (map)->type == _DRM_CONSISTENT) 923 924 static __inline__ u_int8_t 925 DRM_READ8(drm_local_map_t *map, bus_size_t offset) 926 { 927 if (DRM_IS_BUS_SPACE(map)) 928 return bus_space_read_1(map->bst, map->bsh, offset); 929 else 930 return *(volatile u_int8_t *)((vaddr_t)map->handle + offset); 931 } 932 933 static __inline__ u_int16_t 934 DRM_READ16(drm_local_map_t *map, bus_size_t offset) 935 { 936 if (DRM_IS_BUS_SPACE(map)) 937 return bus_space_read_2(map->bst, map->bsh, offset); 938 else 939 return *(volatile u_int16_t *)((vaddr_t)map->handle + offset); 940 } 941 942 static __inline__ u_int32_t 943 DRM_READ32(drm_local_map_t *map, bus_size_t offset) 944 { 945 if (DRM_IS_BUS_SPACE(map)) 946 return bus_space_read_4(map->bst, map->bsh, offset); 947 else 948 return *(volatile u_int32_t *)((vaddr_t)map->handle + offset); 949 } 950 951 static __inline__ void 952 DRM_WRITE8(drm_local_map_t *map, bus_size_t offset, u_int8_t val) 953 { 954 if (DRM_IS_BUS_SPACE(map)) 955 bus_space_write_1(map->bst, map->bsh, offset, val); 956 else 957 *(volatile u_int8_t *)((vaddr_t)map->handle + offset) = val; 958 } 959 960 static __inline__ void 961 DRM_WRITE16(drm_local_map_t *map, bus_size_t offset, u_int16_t val) 962 { 963 if (DRM_IS_BUS_SPACE(map)) 964 bus_space_write_2(map->bst, map->bsh, offset, val); 965 else 966 *(volatile u_int16_t *)((vaddr_t)map->handle + offset) = val; 967 } 968 969 static __inline__ void 970 DRM_WRITE32(drm_local_map_t *map, bus_size_t offset, u_int32_t val) 971 { 972 if (DRM_IS_BUS_SPACE(map)) 973 bus_space_write_4(map->bst, map->bsh, offset, val); 974 else 975 *(volatile u_int32_t *)((vaddr_t)map->handle + offset) = val; 976 } 977 978 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 979 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 980 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 981 982 #endif 983 984 extern int drm_debug_flag; 985 986 /* Device setup support (drm_drv.c) */ 987 #if defined(__FreeBSD__) 988 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 989 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 990 void drm_close(void *data); 991 int drm_detach(device_t kdev); 992 d_ioctl_t drm_ioctl; 993 d_open_t drm_open; 994 d_read_t drm_read; 995 d_poll_t drm_poll; 996 d_mmap_t drm_mmap; 997 #elif defined(__NetBSD__) 998 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 999 void drm_attach(device_t kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 1000 int drm_detach(device_t self, int flags); 1001 dev_type_ioctl(drm_ioctl); 1002 dev_type_open(drm_open); 1003 dev_type_close(drm_close); 1004 dev_type_read(drm_read); 1005 dev_type_poll(drm_poll); 1006 dev_type_mmap(drm_mmap); 1007 #endif 1008 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1009 1010 int drm_close_pid(struct drm_device *dev, struct drm_file *priv, pid_t pid); 1011 1012 /* File operations helpers (drm_fops.c) */ 1013 #if defined(__FreeBSD__) 1014 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1015 DRM_STRUCTPROC *p, 1016 struct drm_device *dev); 1017 #elif defined(__NetBSD__) 1018 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev, 1019 struct proc *p); 1020 extern int drm_open_helper(dev_t kdev, int flags, int fmt, 1021 struct proc *p, struct drm_device *dev); 1022 #endif 1023 1024 /* Memory management support (drm_memory.c) */ 1025 void drm_mem_init(void); 1026 void drm_mem_uninit(void); 1027 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 1028 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1029 void drm_ioremapfree(drm_local_map_t *map); 1030 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1031 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1032 1033 int drm_context_switch(struct drm_device *dev, int old, int new); 1034 int drm_context_switch_complete(struct drm_device *dev, int new); 1035 1036 int drm_ctxbitmap_init(struct drm_device *dev); 1037 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1038 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1039 int drm_ctxbitmap_next(struct drm_device *dev); 1040 1041 /* Locking IOCTL support (drm_lock.c) */ 1042 int drm_lock_take(struct drm_lock_data *lock_data, 1043 unsigned int context); 1044 int drm_lock_transfer(struct drm_lock_data *lock_data, 1045 unsigned int context); 1046 int drm_lock_free(struct drm_lock_data *lock_data, 1047 unsigned int context); 1048 1049 /* Buffer management support (drm_bufs.c) */ 1050 unsigned long drm_get_resource_start(struct drm_device *dev, 1051 unsigned int resource); 1052 unsigned long drm_get_resource_len(struct drm_device *dev, 1053 unsigned int resource); 1054 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1055 int drm_order(unsigned long size); 1056 int drm_addmap(struct drm_device *dev, unsigned long offset, 1057 unsigned long size, 1058 enum drm_map_type type, enum drm_map_flags flags, 1059 drm_local_map_t **map_ptr); 1060 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 1061 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 1062 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 1063 1064 /* DMA support (drm_dma.c) */ 1065 int drm_dma_setup(struct drm_device *dev); 1066 void drm_dma_takedown(struct drm_device *dev); 1067 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1068 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1069 #define drm_core_reclaim_buffers drm_reclaim_buffers 1070 1071 /* IRQ support (drm_irq.c) */ 1072 int drm_irq_install(struct drm_device *dev); 1073 int drm_irq_uninstall(struct drm_device *dev); 1074 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1075 void drm_driver_irq_preinstall(struct drm_device *dev); 1076 void drm_driver_irq_postinstall(struct drm_device *dev); 1077 void drm_driver_irq_uninstall(struct drm_device *dev); 1078 void drm_handle_vblank(struct drm_device *dev, unsigned int crtc); 1079 u32 drm_vblank_count(struct drm_device *dev, unsigned int crtc); 1080 int drm_vblank_get(struct drm_device *dev, unsigned int crtc); 1081 void drm_vblank_put(struct drm_device *dev, unsigned int crtc); 1082 void drm_vblank_cleanup(struct drm_device *dev); 1083 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1084 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1085 void drm_vbl_send_signals(struct drm_device *dev, unsigned int crtc); 1086 int drm_modeset_ctl(struct drm_device *dev, void *data, 1087 struct drm_file *file_priv); 1088 1089 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1090 int drm_device_is_agp(struct drm_device *dev); 1091 int drm_device_is_pcie(struct drm_device *dev); 1092 drm_agp_head_t *drm_agp_init(struct drm_device *dev); 1093 int drm_agp_acquire(struct drm_device *dev); 1094 int drm_agp_release(struct drm_device *dev); 1095 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 1096 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1097 void *drm_agp_allocate_memory(size_t pages, u32 type); 1098 int drm_agp_free_memory(void *handle); 1099 int drm_agp_bind_memory(void *handle, off_t start); 1100 int drm_agp_unbind_memory(void *handle); 1101 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1102 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1103 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1104 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1105 1106 /* Scatter Gather Support (drm_scatter.c) */ 1107 void drm_sg_cleanup(drm_sg_mem_t *entry); 1108 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1109 1110 /* sysctl support (drm_sysctl.h) */ 1111 extern int drm_sysctl_init(struct drm_device *dev); 1112 extern int drm_sysctl_cleanup(struct drm_device *dev); 1113 1114 /* ATI PCIGART support (ati_pcigart.c) */ 1115 int drm_ati_pcigart_init(struct drm_device *dev, 1116 struct drm_ati_pcigart_info *gart_info); 1117 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1118 struct drm_ati_pcigart_info *gart_info); 1119 1120 /* Locking IOCTL support (drm_drv.c) */ 1121 int drm_lock(struct drm_device *dev, void *data, 1122 struct drm_file *file_priv); 1123 int drm_unlock(struct drm_device *dev, void *data, 1124 struct drm_file *file_priv); 1125 int drm_version(struct drm_device *dev, void *data, 1126 struct drm_file *file_priv); 1127 int drm_setversion(struct drm_device *dev, void *data, 1128 struct drm_file *file_priv); 1129 1130 /* Misc. IOCTL support (drm_ioctl.c) */ 1131 int drm_irq_by_busid(struct drm_device *dev, void *data, 1132 struct drm_file *file_priv); 1133 int drm_getunique(struct drm_device *dev, void *data, 1134 struct drm_file *file_priv); 1135 int drm_setunique(struct drm_device *dev, void *data, 1136 struct drm_file *file_priv); 1137 int drm_getmap(struct drm_device *dev, void *data, 1138 struct drm_file *file_priv); 1139 int drm_getclient(struct drm_device *dev, void *data, 1140 struct drm_file *file_priv); 1141 int drm_getstats(struct drm_device *dev, void *data, 1142 struct drm_file *file_priv); 1143 int drm_noop(struct drm_device *dev, void *data, 1144 struct drm_file *file_priv); 1145 1146 /* Context IOCTL support (drm_context.c) */ 1147 int drm_resctx(struct drm_device *dev, void *data, 1148 struct drm_file *file_priv); 1149 int drm_addctx(struct drm_device *dev, void *data, 1150 struct drm_file *file_priv); 1151 int drm_modctx(struct drm_device *dev, void *data, 1152 struct drm_file *file_priv); 1153 int drm_getctx(struct drm_device *dev, void *data, 1154 struct drm_file *file_priv); 1155 int drm_switchctx(struct drm_device *dev, void *data, 1156 struct drm_file *file_priv); 1157 int drm_newctx(struct drm_device *dev, void *data, 1158 struct drm_file *file_priv); 1159 int drm_rmctx(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161 int drm_setsareactx(struct drm_device *dev, void *data, 1162 struct drm_file *file_priv); 1163 int drm_getsareactx(struct drm_device *dev, void *data, 1164 struct drm_file *file_priv); 1165 1166 /* Drawable IOCTL support (drm_drawable.c) */ 1167 int drm_adddraw(struct drm_device *dev, void *data, 1168 struct drm_file *file_priv); 1169 int drm_rmdraw(struct drm_device *dev, void *data, 1170 struct drm_file *file_priv); 1171 int drm_update_draw(struct drm_device *dev, void *data, 1172 struct drm_file *file_priv); 1173 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1174 int handle); 1175 1176 /* Drawable support (drm_drawable.c) */ 1177 void drm_drawable_free_all(struct drm_device *dev); 1178 1179 /* Authentication IOCTL support (drm_auth.c) */ 1180 int drm_getmagic(struct drm_device *dev, void *data, 1181 struct drm_file *file_priv); 1182 int drm_authmagic(struct drm_device *dev, void *data, 1183 struct drm_file *file_priv); 1184 1185 /* Buffer management support (drm_bufs.c) */ 1186 int drm_addmap_ioctl(struct drm_device *dev, void *data, 1187 struct drm_file *file_priv); 1188 int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1189 struct drm_file *file_priv); 1190 int drm_addbufs(struct drm_device *dev, void *data, 1191 struct drm_file *file_priv); 1192 int drm_infobufs(struct drm_device *dev, void *data, 1193 struct drm_file *file_priv); 1194 int drm_markbufs(struct drm_device *dev, void *data, 1195 struct drm_file *file_priv); 1196 int drm_freebufs(struct drm_device *dev, void *data, 1197 struct drm_file *file_priv); 1198 int drm_mapbufs(struct drm_device *dev, void *data, 1199 struct drm_file *file_priv); 1200 1201 /* DMA support (drm_dma.c) */ 1202 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1203 1204 /* IRQ support (drm_irq.c) */ 1205 int drm_control(struct drm_device *dev, void *data, 1206 struct drm_file *file_priv); 1207 int drm_wait_vblank(struct drm_device *dev, void *data, 1208 struct drm_file *file_priv); 1209 1210 /* AGP/GART support (drm_agpsupport.c) */ 1211 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1212 struct drm_file *file_priv); 1213 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1214 struct drm_file *file_priv); 1215 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1216 struct drm_file *file_priv); 1217 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1218 struct drm_file *file_priv); 1219 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1220 struct drm_file *file_priv); 1221 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1222 struct drm_file *file_priv); 1223 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1224 struct drm_file *file_priv); 1225 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1226 struct drm_file *file_priv); 1227 1228 /* Scatter Gather Support (drm_scatter.c) */ 1229 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1230 struct drm_file *file_priv); 1231 int drm_sg_free(struct drm_device *dev, void *data, 1232 struct drm_file *file_priv); 1233 1234 /* consistent PCI memory functions (drm_pci.c) */ 1235 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1236 size_t align, dma_addr_t maxaddr); 1237 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1238 1239 /* Inline replacements for drm_alloc and friends */ 1240 static __inline__ void * 1241 drm_alloc(size_t size, struct malloc_type *area) 1242 { 1243 return malloc(size, area, M_NOWAIT); 1244 } 1245 1246 static __inline__ void * 1247 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 1248 { 1249 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 1250 } 1251 1252 static __inline__ void * 1253 drm_realloc(void *oldpt, size_t oldsize, size_t size, 1254 struct malloc_type *area) 1255 { 1256 #if defined(__FreeBSD__) 1257 return reallocf(oldpt, size, area, M_NOWAIT); 1258 #elif defined(__NetBSD__) 1259 void *pt; 1260 1261 pt = malloc(size, area, M_NOWAIT); 1262 if (pt == NULL) 1263 return NULL; 1264 if (oldpt && oldsize) { 1265 memcpy(pt, oldpt, oldsize); 1266 free(oldpt, area); 1267 } 1268 return pt; 1269 #endif 1270 } 1271 1272 static __inline__ void 1273 drm_free(void *pt, size_t size, struct malloc_type *area) 1274 { 1275 free(pt, area); 1276 } 1277 1278 /* Inline replacements for DRM_IOREMAP macros */ 1279 static __inline__ void 1280 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 1281 { 1282 map->handle = drm_ioremap_wc(dev, map); 1283 } 1284 static __inline__ void 1285 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1286 { 1287 map->handle = drm_ioremap(dev, map); 1288 } 1289 static __inline__ void 1290 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1291 { 1292 if ( map->handle && map->size ) 1293 drm_ioremapfree(map); 1294 } 1295 1296 static __inline__ struct drm_local_map * 1297 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1298 { 1299 drm_local_map_t *map; 1300 1301 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1302 TAILQ_FOREACH(map, &dev->maplist, link) { 1303 if (map->offset == offset) 1304 return map; 1305 } 1306 return NULL; 1307 } 1308 1309 static __inline__ void drm_core_dropmap(struct drm_map *map) 1310 { 1311 } 1312 1313 #endif /* __KERNEL__ */ 1314 #endif /* _DRM_P_H_ */ 1315
Indexes created Thu Oct 02 14:10:14 GMT 2025