drmP.h revision 1.9.10.4
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 #include <machine/specialreg.h> 79 #include <machine/sysarch.h> 80 #include <sys/endian.h> 81 #include <sys/mman.h> 82 #if defined( __FreeBSD__) 83 #include <sys/rman.h> 84 #include <sys/memrange.h> 85 #if __FreeBSD_version >= 800004 86 #include <dev/agp/agpvar.h> 87 #else /* __FreeBSD_version >= 800004 */ 88 #include <pci/agpvar.h> 89 #endif /* __FreeBSD_version >= 800004 */ 90 #include <sys/agpio.h> 91 #include <sys/mutex.h> 92 #include <dev/pci/pcivar.h> 93 #include <dev/pci/pcireg.h> 94 #include <sys/selinfo.h> 95 #include <sys/bus.h> 96 #elif defined(__NetBSD__) 97 #include <machine/mtrr.h> 98 #include <sys/vnode.h> 99 #include <sys/select.h> 100 #include <sys/device.h> 101 #include <sys/resourcevar.h> 102 #include <sys/agpio.h> 103 #include <sys/ttycom.h> 104 #include <sys/mman.h> 105 #include <sys/kauth.h> 106 #include <sys/types.h> 107 #include <sys/file.h> 108 #include <sys/atomic.h> 109 #include <sys/workqueue.h> 110 #include <uvm/uvm.h> 111 #include <dev/pci/pcireg.h> 112 #include <dev/pci/pcivar.h> 113 #include <dev/pci/agpvar.h> 114 #endif 115 116 #include "drm.h" 117 #include "drm_linux_list.h" 118 #include "drm_atomic.h" 119 #include "drm_internal.h" 120 121 #ifdef __FreeBSD__ 122 #include <opt_drm.h> 123 #endif 124 125 #ifdef DRM_DEBUG 126 #undef DRM_DEBUG 127 #define DRM_DEBUG_DEFAULT_ON 1 128 #endif /* DRM_DEBUG */ 129 130 #ifdef __FreeBSD__ 131 #define DRM_KASSERT(x,y) KASSERT(x,y) 132 #else 133 #define DRM_KASSERT(x,y) KASSERT(x) 134 #define device_get_softc(x) device_private(x) 135 #define callout_deactivate(x) callout_stop(x) 136 #define callout_drain(x) callout_stop(x) 137 #endif 138 139 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 140 #include <sys/file.h> 141 #include <sys/proc.h> 142 #include <machine/../linux/linux.h> 143 #include <machine/../linux/linux_proto.h> 144 #else 145 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 146 * supported on this OS yet. 147 */ 148 #undef DRM_LINUX 149 #define DRM_LINUX 0 150 #endif 151 152 /* driver capabilities and requirements mask */ 153 #define DRIVER_USE_AGP 0x1 154 #define DRIVER_REQUIRE_AGP 0x2 155 #define DRIVER_USE_MTRR 0x4 156 #define DRIVER_PCI_DMA 0x8 157 #define DRIVER_SG 0x10 158 #define DRIVER_HAVE_DMA 0x20 159 #define DRIVER_HAVE_IRQ 0x40 160 #define DRIVER_DMA_QUEUE 0x100 161 162 163 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 164 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 165 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 166 167 MALLOC_DECLARE(DRM_MEM_DMA); 168 MALLOC_DECLARE(DRM_MEM_SAREA); 169 MALLOC_DECLARE(DRM_MEM_DRIVER); 170 MALLOC_DECLARE(DRM_MEM_MAGIC); 171 MALLOC_DECLARE(DRM_MEM_IOCTLS); 172 MALLOC_DECLARE(DRM_MEM_MAPS); 173 MALLOC_DECLARE(DRM_MEM_BUFS); 174 MALLOC_DECLARE(DRM_MEM_SEGS); 175 MALLOC_DECLARE(DRM_MEM_PAGES); 176 MALLOC_DECLARE(DRM_MEM_FILES); 177 MALLOC_DECLARE(DRM_MEM_QUEUES); 178 MALLOC_DECLARE(DRM_MEM_CMDS); 179 MALLOC_DECLARE(DRM_MEM_MAPPINGS); 180 MALLOC_DECLARE(DRM_MEM_BUFLISTS); 181 MALLOC_DECLARE(DRM_MEM_AGPLISTS); 182 MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 183 MALLOC_DECLARE(DRM_MEM_SGLISTS); 184 MALLOC_DECLARE(DRM_MEM_DRAWABLE); 185 186 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 187 188 /* Internal types and structures */ 189 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 190 #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 191 #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 192 193 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 194 195 #define __OS_HAS_AGP 1 196 197 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 198 #define DRM_DEV_UID 0 199 #define DRM_DEV_GID 0 200 201 #define wait_queue_head_t atomic_t 202 #define DRM_WAKEUP(w) wakeup((void *)w) 203 #define DRM_WAKEUP_INT(w) wakeup(w) 204 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 205 206 #if defined(__FreeBSD__) 207 #define DRM_CDEV struct cdev * 208 #define DRM_CURPROC curthread 209 #define DRM_STRUCTPROC struct thread 210 #define DRM_STRUCTCDEVPROC struct thread 211 #define DRM_CDEVPROC_REAL(p) (p) 212 #define DRM_IOCTL_DATA caddr_t 213 #define DRM_SPINTYPE struct mtx 214 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 215 #define DRM_SPINUNINIT(l) mtx_destroy(l) 216 #define DRM_SPINLOCK(l) mtx_lock(l) 217 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 218 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 219 mtx_lock(l); \ 220 (void)irqflags; \ 221 } while (0) 222 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 223 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 224 #define DRM_CURRENTPID curthread->td_proc->p_pid 225 #define DRM_LOCK() mtx_lock(&dev->dev_lock) 226 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 227 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 228 #elif defined(__NetBSD__) 229 #define DRM_CDEV dev_t 230 #define DRM_CURPROC curproc 231 #define DRM_STRUCTPROC struct proc 232 #define DRM_STRUCTCDEVPROC struct lwp 233 #define DRM_CDEVPROC_REAL(l) (l)->l_proc 234 #define DRM_IOCTL_DATA void * 235 #define DRM_SPINTYPE kmutex_t 236 #define DRM_SPININIT(l,name) mutex_init(l, MUTEX_DEFAULT, /*IPL_NONE*/ IPL_VM) 237 #define DRM_SPINUNINIT(l) mutex_destroy(l) 238 #define DRM_SPINLOCK(l) mutex_enter(l) 239 #define DRM_SPINUNLOCK(u) mutex_exit(u) 240 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 241 mutex_enter(l); \ 242 (void)irqflags; \ 243 } while (0) 244 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u) 245 #define DRM_SPINLOCK_ASSERT(l) mutex_owned(l) 246 #define DRM_CURRENTPID curproc->p_pid 247 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock) 248 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock) 249 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTLFN_ARGS) 250 #define vslock(addr, len) uvm_vslock(curproc->p_vmspace, addr, len, VM_PROT_READ | VM_PROT_WRITE) 251 #define vsunlock(addr, len) uvm_vsunlock(curproc->p_vmspace, addr, len) 252 #endif 253 254 #define DRM_IRQ_ARGS void *arg 255 #if defined(__FreeBSD__) 256 typedef void irqreturn_t; 257 #define IRQ_HANDLED /* nothing */ 258 #define IRQ_NONE /* nothing */ 259 #elif defined(__NetBSD__) 260 typedef int irqreturn_t; 261 #define IRQ_HANDLED 1 262 #define IRQ_NONE 0 263 #endif 264 265 enum { 266 DRM_IS_NOT_AGP, 267 DRM_IS_AGP, 268 DRM_MIGHT_BE_AGP 269 }; 270 #define DRM_AGP_MEM struct agp_memory_info 271 272 #if defined(__FreeBSD__) 273 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 274 #elif defined(__NetBSD__) 275 #define drm_get_device_from_kdev(_kdev) ((minor(_kdev) < DRM_MAXUNITS) ? \ 276 drm_units[minor(_kdev)] : NULL) 277 #endif 278 279 #if defined(__FreeBSD__) 280 #define PAGE_ALIGN(addr) round_page(addr) 281 /* DRM_SUSER returns true if the user is superuser */ 282 #if __FreeBSD_version >= 700000 283 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 284 #else 285 #define DRM_SUSER(p) (suser(p) == 0) 286 #endif 287 #define DRM_AGP_FIND_DEVICE() agp_find_device() 288 #define DRM_MTRR_WC MDF_WRITECOMBINE 289 #define jiffies ticks 290 291 #elif defined(__NetBSD__) 292 293 #define PAGE_ALIGN(addr) round_page(addr) 294 #define DRM_SUSER(p) (kauth_cred_getsvuid((p)->p_cred) == 0) 295 #define DRM_AGP_FIND_DEVICE() agp_find_device(0) 296 #define DRM_MTRR_WC MTRR_TYPE_WC 297 #define jiffies hardclock_ticks 298 299 #define DRM_MAXUNITS 128 300 extern struct drm_device *drm_units[]; 301 302 #endif 303 304 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 305 #ifndef PCIY_AGP 306 #define PCIY_AGP 0x02 307 #endif 308 309 #ifndef PCIY_EXPRESS 310 #define PCIY_EXPRESS 0x10 311 #endif 312 313 typedef unsigned long dma_addr_t; 314 #if defined(__FreeBSD__) 315 typedef u_int64_t u64; 316 typedef u_int32_t u32; 317 typedef u_int16_t u16; 318 typedef u_int8_t u8; 319 #else 320 typedef uint64_t u64; 321 typedef uint32_t u32; 322 typedef uint16_t u16; 323 typedef uint8_t u8; 324 #endif 325 326 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 327 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 328 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 329 */ 330 #if defined(__NetBSD__) 331 #define DRM_READMEMORYBARRIER() membar_consumer() 332 #define DRM_WRITEMEMORYBARRIER() membar_producer() 333 #define DRM_MEMORYBARRIER() membar_sync() 334 #elif defined(__i386__) 335 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 336 "lock; addl $0,0(%%esp)" : : : "memory"); 337 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 338 #define DRM_MEMORYBARRIER() __asm __volatile( \ 339 "lock; addl $0,0(%%esp)" : : : "memory"); 340 #elif defined(__alpha__) 341 #define DRM_READMEMORYBARRIER() alpha_mb(); 342 #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 343 #define DRM_MEMORYBARRIER() alpha_mb(); 344 #elif defined(__amd64__) 345 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 346 "lock; addl $0,0(%%rsp)" : : : "memory"); 347 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 348 #define DRM_MEMORYBARRIER() __asm __volatile( \ 349 "lock; addl $0,0(%%rsp)" : : : "memory"); 350 #endif 351 352 #define DRM_COPY_TO_USER(user, kern, size) \ 353 copyout(kern, user, size) 354 #define DRM_COPY_FROM_USER(kern, user, size) \ 355 copyin(user, kern, size) 356 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 357 copyin(arg2, arg1, arg3) 358 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 359 copyout(arg2, arg1, arg3) 360 #if defined(__FreeBSD__) 361 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 362 ((val) = fuword32(uaddr), 0) 363 #else 364 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 365 ((val) = fuword(uaddr), 0) 366 #endif 367 368 #define cpu_to_le32(x) htole32(x) 369 #define le32_to_cpu(x) le32toh(x) 370 371 #define DRM_HZ hz 372 #define DRM_UDELAY(udelay) DELAY(udelay) 373 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 374 375 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 376 (_map) = (_dev)->context_sareas[_ctx]; \ 377 } while(0) 378 379 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 380 do { \ 381 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 382 dev->lock.file_priv != file_priv) { \ 383 DRM_ERROR("%s called without lock held\n", \ 384 __FUNCTION__); \ 385 return EINVAL; \ 386 } \ 387 } while (0) 388 389 /* Returns -errno to shared code */ 390 #if defined(__FreeBSD__) 391 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 392 for ( ret = 0 ; !ret && !(condition) ; ) { \ 393 DRM_UNLOCK(); \ 394 mtx_lock(&dev->irq_lock); \ 395 if (!(condition)) \ 396 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 397 PCATCH, "drmwtq", (timeout)); \ 398 mtx_unlock(&dev->irq_lock); \ 399 DRM_LOCK(); \ 400 } 401 #elif defined(__NetBSD__) 402 /* Returns -errno to shared code */ 403 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 404 for ( ret = 0 ; !ret && !(condition) ; ) { \ 405 DRM_UNLOCK(); \ 406 mutex_enter(&dev->irq_lock); \ 407 if (!(condition)) \ 408 ret = -mtsleep(&(queue), PCATCH, \ 409 "drmwtq", (timeout), &dev->irq_lock); \ 410 mutex_exit(&dev->irq_lock); \ 411 DRM_LOCK(); \ 412 } 413 #endif 414 415 #define DRM_ERROR(fmt, ...) \ 416 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 417 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 418 419 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 420 421 #define DRM_DEBUG(fmt, ...) do { \ 422 if (drm_debug_flag) \ 423 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 424 __func__ , ##__VA_ARGS__); \ 425 } while (0) 426 427 typedef struct drm_pci_id_list 428 { 429 int vendor; 430 int device; 431 long driver_private; 432 #if defined(__NetBSD__) 433 const char *name; 434 #else 435 char *name; 436 #endif 437 } drm_pci_id_list_t; 438 439 struct drm_msi_blacklist_entry 440 { 441 int vendor; 442 int device; 443 }; 444 445 #define DRM_AUTH 0x1 446 #define DRM_MASTER 0x2 447 #define DRM_ROOT_ONLY 0x4 448 typedef struct drm_ioctl_desc { 449 unsigned long cmd; 450 int (*func)(struct drm_device *dev, void *data, 451 struct drm_file *file_priv); 452 int flags; 453 } drm_ioctl_desc_t; 454 /** 455 * Creates a driver or general drm_ioctl_desc array entry for the given 456 * ioctl, for use by drm_ioctl(). 457 */ 458 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 459 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 460 461 typedef struct drm_magic_entry { 462 drm_magic_t magic; 463 struct drm_file *priv; 464 struct drm_magic_entry *next; 465 } drm_magic_entry_t; 466 467 typedef struct drm_magic_head { 468 struct drm_magic_entry *head; 469 struct drm_magic_entry *tail; 470 } drm_magic_head_t; 471 472 typedef struct drm_buf { 473 int idx; /* Index into master buflist */ 474 int total; /* Buffer size */ 475 int order; /* log-base-2(total) */ 476 int used; /* Amount of buffer in use (for DMA) */ 477 unsigned long offset; /* Byte offset (used internally) */ 478 void *address; /* Address of buffer */ 479 unsigned long bus_address; /* Bus address of buffer */ 480 struct drm_buf *next; /* Kernel-only: used for free list */ 481 __volatile__ int pending; /* On hardware DMA queue */ 482 struct drm_file *file_priv; /* Unique identifier of holding process */ 483 int context; /* Kernel queue for this buffer */ 484 enum { 485 DRM_LIST_NONE = 0, 486 DRM_LIST_FREE = 1, 487 DRM_LIST_WAIT = 2, 488 DRM_LIST_PEND = 3, 489 DRM_LIST_PRIO = 4, 490 DRM_LIST_RECLAIM = 5 491 } list; /* Which list we're on */ 492 493 int dev_priv_size; /* Size of buffer private stoarge */ 494 void *dev_private; /* Per-buffer private storage */ 495 } drm_buf_t; 496 497 typedef struct drm_freelist { 498 int initialized; /* Freelist in use */ 499 atomic_t count; /* Number of free buffers */ 500 drm_buf_t *next; /* End pointer */ 501 502 int low_mark; /* Low water mark */ 503 int high_mark; /* High water mark */ 504 } drm_freelist_t; 505 506 typedef struct drm_dma_handle { 507 void *vaddr; 508 bus_addr_t busaddr; 509 bus_dma_tag_t tag; 510 bus_dmamap_t map; 511 #if defined(__NetBSD__) 512 size_t size; 513 size_t nsegs; 514 bus_dma_segment_t segs[1]; 515 #endif 516 } drm_dma_handle_t; 517 518 typedef struct drm_buf_entry { 519 int buf_size; 520 int buf_count; 521 drm_buf_t *buflist; 522 int seg_count; 523 drm_dma_handle_t **seglist; 524 int page_order; 525 526 drm_freelist_t freelist; 527 } drm_buf_entry_t; 528 529 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 530 struct drm_file { 531 TAILQ_ENTRY(drm_file) link; 532 struct drm_device *dev; 533 int authenticated; 534 int master; 535 int minor; 536 pid_t pid; 537 uid_t uid; 538 drm_magic_t magic; 539 unsigned long ioctl_count; 540 void *driver_priv; 541 }; 542 543 typedef struct drm_lock_data { 544 struct drm_hw_lock *hw_lock; /* Hardware lock */ 545 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 546 int lock_queue; /* Queue of blocked processes */ 547 unsigned long lock_time; /* Time of last lock in jiffies */ 548 } drm_lock_data_t; 549 550 /* This structure, in the struct drm_device, is always initialized while the 551 * device 552 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 553 * when set marks that no further bufs may be allocated until device teardown 554 * occurs (when the last open of the device has closed). The high/low 555 * watermarks of bufs are only touched by the X Server, and thus not 556 * concurrently accessed, so no locking is needed. 557 */ 558 typedef struct drm_device_dma { 559 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 560 int buf_count; 561 drm_buf_t **buflist; /* Vector of pointers info bufs */ 562 int seg_count; 563 int page_count; 564 unsigned long *pagelist; 565 unsigned long byte_count; 566 enum { 567 _DRM_DMA_USE_AGP = 0x01, 568 _DRM_DMA_USE_SG = 0x02 569 } flags; 570 } drm_device_dma_t; 571 572 typedef struct drm_agp_mem { 573 void *handle; 574 unsigned long bound; /* address */ 575 int pages; 576 struct drm_agp_mem *prev; 577 struct drm_agp_mem *next; 578 } drm_agp_mem_t; 579 580 typedef struct drm_agp_head { 581 device_t agpdev; 582 struct agp_info info; 583 const char *chipset; 584 drm_agp_mem_t *memory; 585 unsigned long mode; 586 int enabled; 587 int acquired; 588 unsigned long base; 589 int mtrr; 590 int cant_use_aperture; 591 unsigned long page_mask; 592 } drm_agp_head_t; 593 594 typedef struct drm_sg_mem { 595 unsigned long handle; 596 void *virtual; 597 int pages; 598 dma_addr_t *busaddr; 599 struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */ 600 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 601 /* for ATI PCIGART table */ 602 } drm_sg_mem_t; 603 604 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 605 606 #if defined(__NetBSD__) 607 typedef struct { 608 int mapped; 609 int maptype; 610 bus_addr_t base; 611 bus_size_t size; 612 bus_space_handle_t bsh; 613 int flags; 614 void * vaddr; 615 } pci_map_data_t; 616 617 /* XXX */ 618 #define readl(va) (*(volatile u_int32_t *) (va)) 619 #endif 620 621 typedef struct drm_local_map { 622 unsigned long offset; /* Physical address (0 for SAREA)*/ 623 unsigned long size; /* Physical size (bytes) */ 624 enum drm_map_type type; /* Type of memory mapped */ 625 enum drm_map_flags flags; /* Flags */ 626 void *handle; /* User-space: "Handle" to pass to mmap */ 627 /* Kernel-space: kernel-virtual address */ 628 int mtrr; /* Boolean: MTRR used */ 629 /* Private data */ 630 int rid; /* PCI resource ID for bus_space */ 631 #if defined(__FreeBSD__) 632 struct resource *bsr; 633 #endif 634 bus_space_tag_t bst; 635 bus_space_handle_t bsh; 636 drm_dma_handle_t *dmah; 637 #if defined(__NetBSD__) 638 pci_map_data_t *fullmap; 639 bus_size_t mapsize; 640 #endif 641 TAILQ_ENTRY(drm_local_map) link; 642 } drm_local_map_t; 643 644 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 645 typedef struct drm_vbl_sig { 646 TAILQ_ENTRY(drm_vbl_sig) link; 647 unsigned int sequence; 648 int signo; 649 int pid; 650 } drm_vbl_sig_t; 651 652 struct drm_vblank_info { 653 wait_queue_head_t queue; /* vblank wait queue */ 654 atomic_t count; /* number of VBLANK interrupts */ 655 /* (driver must alloc the right number of counters) */ 656 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 657 atomic_t refcount; /* number of users of vblank interrupts */ 658 u32 last; /* protected by dev->vbl_lock, used */ 659 /* for wraparound handling */ 660 int enabled; /* so we don't call enable more than */ 661 /* once per disable */ 662 int inmodeset; /* Display driver is setting mode */ 663 }; 664 665 /* location of GART table */ 666 #define DRM_ATI_GART_MAIN 1 667 #define DRM_ATI_GART_FB 2 668 669 #define DRM_ATI_GART_PCI 1 670 #define DRM_ATI_GART_PCIE 2 671 #define DRM_ATI_GART_IGP 3 672 673 struct drm_ati_pcigart_info { 674 int gart_table_location; 675 int gart_reg_if; 676 void *addr; 677 dma_addr_t bus_addr; 678 dma_addr_t table_mask; 679 dma_addr_t member_mask; 680 struct drm_dma_handle *table_handle; 681 drm_local_map_t mapping; 682 int table_size; 683 }; 684 685 #ifndef DMA_BIT_MASK 686 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 687 #endif 688 689 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 690 691 struct drm_driver_info { 692 int (*load)(struct drm_device *, unsigned long flags); 693 int (*firstopen)(struct drm_device *); 694 int (*open)(struct drm_device *, struct drm_file *); 695 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 696 void (*postclose)(struct drm_device *, struct drm_file *); 697 void (*lastclose)(struct drm_device *); 698 int (*unload)(struct drm_device *); 699 void (*reclaim_buffers_locked)(struct drm_device *, 700 struct drm_file *file_priv); 701 int (*dma_ioctl)(struct drm_device *dev, void *data, 702 struct drm_file *file_priv); 703 void (*dma_ready)(struct drm_device *); 704 int (*dma_quiescent)(struct drm_device *); 705 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 706 enum drm_lock_flags flags); 707 int (*dma_flush_unblock)(struct drm_device *, int context, 708 enum drm_lock_flags flags); 709 int (*context_ctor)(struct drm_device *dev, int context); 710 int (*context_dtor)(struct drm_device *dev, int context); 711 int (*kernel_context_switch)(struct drm_device *dev, int old, 712 int new); 713 int (*kernel_context_switch_unlock)(struct drm_device *dev); 714 void (*irq_preinstall)(struct drm_device *dev); 715 int (*irq_postinstall)(struct drm_device *dev); 716 void (*irq_uninstall)(struct drm_device *dev); 717 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 718 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 719 int (*enable_vblank)(struct drm_device *dev, int crtc); 720 void (*disable_vblank)(struct drm_device *dev, int crtc); 721 722 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 723 724 /** 725 * Called by \c drm_device_is_agp. Typically used to determine if a 726 * card is really attached to AGP or not. 727 * 728 * \param dev DRM device handle 729 * 730 * \returns 731 * One of three values is returned depending on whether or not the 732 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 733 * (return of 1), or may or may not be AGP (return of 2). 734 */ 735 int (*device_is_agp) (struct drm_device * dev); 736 737 drm_ioctl_desc_t *ioctls; 738 int max_ioctl; 739 740 int buf_priv_size; 741 742 int major; 743 int minor; 744 int patchlevel; 745 const char *name; /* Simple driver name */ 746 const char *desc; /* Longer driver name */ 747 const char *date; /* Date of last major changes. */ 748 749 u32 driver_features; 750 }; 751 752 /* Length for the array of resource pointers for drm_get_resource_*. */ 753 #define DRM_MAX_PCI_RESOURCE 6 754 755 /** 756 * DRM device functions structure 757 */ 758 struct drm_device { 759 struct drm_driver_info *driver; 760 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 761 762 u_int16_t pci_device; /* PCI device id */ 763 u_int16_t pci_vendor; /* PCI vendor id */ 764 765 char *unique; /* Unique identifier: e.g., busid */ 766 int unique_len; /* Length of unique field */ 767 device_t device; /* Device instance from newbus */ 768 #if defined(__FreeBSD__) 769 struct cdev *devnode; /* Device number for mknod */ 770 #endif 771 int if_version; /* Highest interface version set */ 772 773 int flags; /* Flags to open(2) */ 774 775 /* Locks */ 776 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 777 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 778 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 779 DRM_SPINTYPE dev_lock; /* protects everything else */ 780 DRM_SPINTYPE drw_lock; 781 782 /* Usage Counters */ 783 int open_count; /* Outstanding files open */ 784 int buf_use; /* Buffers in use -- cannot alloc */ 785 786 /* Performance counters */ 787 unsigned long counters; 788 enum drm_stat_type types[15]; 789 atomic_t counts[15]; 790 791 /* Authentication */ 792 drm_file_list_t files; 793 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 794 795 /* Linked list of mappable regions. Protected by dev_lock */ 796 drm_map_list_t maplist; 797 798 drm_local_map_t **context_sareas; 799 int max_context; 800 801 drm_lock_data_t lock; /* Information on hardware lock */ 802 803 /* DMA queues (contexts) */ 804 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 805 806 /* Context support */ 807 int irq; /* Interrupt used by board */ 808 int irq_enabled; /* True if the irq handler is enabled */ 809 int msi_enabled; /* MSI enabled */ 810 #if defined(__FreeBSD__) 811 int irqrid; /* Interrupt used by board */ 812 struct resource *irqr; /* Resource for interrupt used by board */ 813 814 /* Storage of resource pointers for drm_get_resource_* */ 815 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 816 int pcirid[DRM_MAX_PCI_RESOURCE]; 817 #elif defined(__NetBSD__) 818 struct pci_attach_args pa; 819 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 820 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 821 dev_t kdev; 822 #endif 823 void *irqh; /* Handle from bus_setup_intr */ 824 825 int pci_domain; 826 int pci_bus; 827 int pci_slot; 828 int pci_func; 829 830 atomic_t context_flag; /* Context swapping flag */ 831 int last_context; /* Last current context */ 832 833 int vblank_disable_allowed; 834 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 835 struct callout vblank_disable_timer; 836 u32 max_vblank_count; /* size of vblank counter register */ 837 struct drm_vblank_info *vblank; /* per crtc vblank info */ 838 int num_crtcs; 839 840 #if defined(__FreeBSD__) 841 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 842 #elif defined(__NetBSD__) 843 pid_t buf_pgid; 844 #endif 845 846 /* Sysctl support */ 847 struct drm_sysctl_info *sysctl; 848 849 drm_agp_head_t *agp; 850 drm_sg_mem_t *sg; /* Scatter gather memory */ 851 atomic_t *ctx_bitmap; 852 void *dev_private; 853 unsigned int agp_buffer_token; 854 drm_local_map_t *agp_buffer_map; 855 856 #if defined(__FreeBSD__) 857 struct unrhdr *drw_unrhdr; 858 #elif defined(__NetBSD__) 859 int drw_no; 860 #endif 861 /* RB tree of drawable infos */ 862 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 863 }; 864 865 static __inline__ int drm_core_check_feature(struct drm_device *dev, 866 int feature) 867 { 868 return ((dev->driver->driver_features & feature) ? 1 : 0); 869 } 870 871 #if __OS_HAS_AGP 872 static inline int drm_core_has_AGP(struct drm_device *dev) 873 { 874 return drm_core_check_feature(dev, DRIVER_USE_AGP); 875 } 876 #else 877 #define drm_core_has_AGP(dev) (0) 878 #endif 879 880 #if defined(__FreeBSD__) 881 882 #define DRM_READ8(map, offset) \ 883 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 884 (vm_offset_t)(offset)) 885 #define DRM_READ16(map, offset) \ 886 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 887 (vm_offset_t)(offset)) 888 #define DRM_READ32(map, offset) \ 889 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 890 (vm_offset_t)(offset)) 891 #define DRM_WRITE8(map, offset, val) \ 892 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 893 (vm_offset_t)(offset)) = val 894 #define DRM_WRITE16(map, offset, val) \ 895 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 896 (vm_offset_t)(offset)) = val 897 #define DRM_WRITE32(map, offset, val) \ 898 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 899 (vm_offset_t)(offset)) = val 900 901 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 902 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 903 904 #elif defined(__NetBSD__) 905 906 typedef vaddr_t vm_offset_t; 907 908 #define DRM_IS_BUS_SPACE(map) ((map)->type == _DRM_REGISTERS || \ 909 (map)->type == _DRM_CONSISTENT) 910 911 static __inline__ u_int8_t 912 DRM_READ8(drm_local_map_t *map, bus_size_t offset) 913 { 914 if (DRM_IS_BUS_SPACE(map)) 915 return bus_space_read_1(map->bst, map->bsh, offset); 916 else 917 return *(volatile u_int8_t *)((vaddr_t)map->handle + offset); 918 } 919 920 static __inline__ u_int16_t 921 DRM_READ16(drm_local_map_t *map, bus_size_t offset) 922 { 923 if (DRM_IS_BUS_SPACE(map)) 924 return bus_space_read_2(map->bst, map->bsh, offset); 925 else 926 return *(volatile u_int16_t *)((vaddr_t)map->handle + offset); 927 } 928 929 static __inline__ u_int32_t 930 DRM_READ32(drm_local_map_t *map, bus_size_t offset) 931 { 932 if (DRM_IS_BUS_SPACE(map)) 933 return bus_space_read_4(map->bst, map->bsh, offset); 934 else 935 return *(volatile u_int32_t *)((vaddr_t)map->handle + offset); 936 } 937 938 static __inline__ void 939 DRM_WRITE8(drm_local_map_t *map, bus_size_t offset, u_int8_t val) 940 { 941 if (DRM_IS_BUS_SPACE(map)) 942 bus_space_write_1(map->bst, map->bsh, offset, val); 943 else 944 *(volatile u_int8_t *)((vaddr_t)map->handle + offset) = val; 945 } 946 947 static __inline__ void 948 DRM_WRITE16(drm_local_map_t *map, bus_size_t offset, u_int16_t val) 949 { 950 if (DRM_IS_BUS_SPACE(map)) 951 bus_space_write_2(map->bst, map->bsh, offset, val); 952 else 953 *(volatile u_int16_t *)((vaddr_t)map->handle + offset) = val; 954 } 955 956 static __inline__ void 957 DRM_WRITE32(drm_local_map_t *map, bus_size_t offset, u_int32_t val) 958 { 959 if (DRM_IS_BUS_SPACE(map)) 960 bus_space_write_4(map->bst, map->bsh, offset, val); 961 else 962 *(volatile u_int32_t *)((vaddr_t)map->handle + offset) = val; 963 } 964 965 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 966 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 967 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 968 969 #endif 970 971 extern int drm_debug_flag; 972 973 /* Device setup support (drm_drv.c) */ 974 #if defined(__FreeBSD__) 975 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 976 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 977 void drm_close(void *data); 978 int drm_detach(device_t kdev); 979 d_ioctl_t drm_ioctl; 980 d_open_t drm_open; 981 d_read_t drm_read; 982 d_poll_t drm_poll; 983 d_mmap_t drm_mmap; 984 #elif defined(__NetBSD__) 985 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 986 void drm_attach(device_t kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 987 int drm_detach(device_t self, int flags); 988 int drm_activate(device_t self, devact_t act); 989 dev_type_ioctl(drm_ioctl); 990 dev_type_open(drm_open); 991 dev_type_close(drm_close); 992 dev_type_read(drm_read); 993 dev_type_poll(drm_poll); 994 dev_type_mmap(drm_mmap); 995 #endif 996 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 997 998 int drm_close_pid(struct drm_device *dev, struct drm_file *priv, pid_t pid); 999 1000 /* File operations helpers (drm_fops.c) */ 1001 #if defined(__FreeBSD__) 1002 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1003 DRM_STRUCTPROC *p, 1004 struct drm_device *dev); 1005 #elif defined(__NetBSD__) 1006 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev, 1007 struct proc *p); 1008 extern int drm_open_helper(dev_t kdev, int flags, int fmt, 1009 struct proc *p, struct drm_device *dev); 1010 #endif 1011 1012 /* Memory management support (drm_memory.c) */ 1013 void drm_mem_init(void); 1014 void drm_mem_uninit(void); 1015 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 1016 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1017 void drm_ioremapfree(drm_local_map_t *map); 1018 #if defined(__FreeBSD__) 1019 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1020 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1021 #elif defined(__NetBSD__) 1022 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1023 int drm_mtrr_del(unsigned long offset, size_t size, int flags); 1024 #endif 1025 1026 int drm_context_switch(struct drm_device *dev, int old, int new); 1027 int drm_context_switch_complete(struct drm_device *dev, int new); 1028 1029 int drm_ctxbitmap_init(struct drm_device *dev); 1030 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1031 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1032 int drm_ctxbitmap_next(struct drm_device *dev); 1033 1034 /* Locking IOCTL support (drm_lock.c) */ 1035 int drm_lock_take(struct drm_lock_data *lock_data, 1036 unsigned int context); 1037 int drm_lock_transfer(struct drm_lock_data *lock_data, 1038 unsigned int context); 1039 int drm_lock_free(struct drm_lock_data *lock_data, 1040 unsigned int context); 1041 1042 /* Buffer management support (drm_bufs.c) */ 1043 unsigned long drm_get_resource_start(struct drm_device *dev, 1044 unsigned int resource); 1045 unsigned long drm_get_resource_len(struct drm_device *dev, 1046 unsigned int resource); 1047 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1048 int drm_order(unsigned long size); 1049 int drm_addmap(struct drm_device *dev, unsigned long offset, 1050 unsigned long size, 1051 enum drm_map_type type, enum drm_map_flags flags, 1052 drm_local_map_t **map_ptr); 1053 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 1054 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 1055 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 1056 1057 /* DMA support (drm_dma.c) */ 1058 int drm_dma_setup(struct drm_device *dev); 1059 void drm_dma_takedown(struct drm_device *dev); 1060 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1061 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1062 #define drm_core_reclaim_buffers drm_reclaim_buffers 1063 1064 /* IRQ support (drm_irq.c) */ 1065 int drm_irq_install(struct drm_device *dev); 1066 int drm_irq_uninstall(struct drm_device *dev); 1067 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1068 void drm_driver_irq_preinstall(struct drm_device *dev); 1069 void drm_driver_irq_postinstall(struct drm_device *dev); 1070 void drm_driver_irq_uninstall(struct drm_device *dev); 1071 void drm_handle_vblank(struct drm_device *dev, int crtc); 1072 u32 drm_vblank_count(struct drm_device *dev, int crtc); 1073 int drm_vblank_get(struct drm_device *dev, int crtc); 1074 void drm_vblank_put(struct drm_device *dev, int crtc); 1075 void drm_vblank_cleanup(struct drm_device *dev); 1076 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1077 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1078 void drm_vbl_send_signals(struct drm_device *dev, int crtc); 1079 int drm_modeset_ctl(struct drm_device *dev, void *data, 1080 struct drm_file *file_priv); 1081 1082 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1083 int drm_device_is_agp(struct drm_device *dev); 1084 int drm_device_is_pcie(struct drm_device *dev); 1085 drm_agp_head_t *drm_agp_init(struct drm_device *dev); 1086 int drm_agp_acquire(struct drm_device *dev); 1087 int drm_agp_release(struct drm_device *dev); 1088 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 1089 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1090 void *drm_agp_allocate_memory(size_t pages, u32 type); 1091 int drm_agp_free_memory(void *handle); 1092 int drm_agp_bind_memory(void *handle, off_t start); 1093 int drm_agp_unbind_memory(void *handle); 1094 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1095 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1096 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1097 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1098 1099 /* Scatter Gather Support (drm_scatter.c) */ 1100 void drm_sg_cleanup(drm_sg_mem_t *entry); 1101 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1102 1103 /* sysctl support (drm_sysctl.h) */ 1104 extern int drm_sysctl_init(struct drm_device *dev); 1105 extern int drm_sysctl_cleanup(struct drm_device *dev); 1106 1107 /* ATI PCIGART support (ati_pcigart.c) */ 1108 int drm_ati_pcigart_init(struct drm_device *dev, 1109 struct drm_ati_pcigart_info *gart_info); 1110 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1111 struct drm_ati_pcigart_info *gart_info); 1112 1113 /* Locking IOCTL support (drm_drv.c) */ 1114 int drm_lock(struct drm_device *dev, void *data, 1115 struct drm_file *file_priv); 1116 int drm_unlock(struct drm_device *dev, void *data, 1117 struct drm_file *file_priv); 1118 int drm_version(struct drm_device *dev, void *data, 1119 struct drm_file *file_priv); 1120 int drm_setversion(struct drm_device *dev, void *data, 1121 struct drm_file *file_priv); 1122 1123 /* Misc. IOCTL support (drm_ioctl.c) */ 1124 int drm_irq_by_busid(struct drm_device *dev, void *data, 1125 struct drm_file *file_priv); 1126 int drm_getunique(struct drm_device *dev, void *data, 1127 struct drm_file *file_priv); 1128 int drm_setunique(struct drm_device *dev, void *data, 1129 struct drm_file *file_priv); 1130 int drm_getmap(struct drm_device *dev, void *data, 1131 struct drm_file *file_priv); 1132 int drm_getclient(struct drm_device *dev, void *data, 1133 struct drm_file *file_priv); 1134 int drm_getstats(struct drm_device *dev, void *data, 1135 struct drm_file *file_priv); 1136 int drm_noop(struct drm_device *dev, void *data, 1137 struct drm_file *file_priv); 1138 1139 /* Context IOCTL support (drm_context.c) */ 1140 int drm_resctx(struct drm_device *dev, void *data, 1141 struct drm_file *file_priv); 1142 int drm_addctx(struct drm_device *dev, void *data, 1143 struct drm_file *file_priv); 1144 int drm_modctx(struct drm_device *dev, void *data, 1145 struct drm_file *file_priv); 1146 int drm_getctx(struct drm_device *dev, void *data, 1147 struct drm_file *file_priv); 1148 int drm_switchctx(struct drm_device *dev, void *data, 1149 struct drm_file *file_priv); 1150 int drm_newctx(struct drm_device *dev, void *data, 1151 struct drm_file *file_priv); 1152 int drm_rmctx(struct drm_device *dev, void *data, 1153 struct drm_file *file_priv); 1154 int drm_setsareactx(struct drm_device *dev, void *data, 1155 struct drm_file *file_priv); 1156 int drm_getsareactx(struct drm_device *dev, void *data, 1157 struct drm_file *file_priv); 1158 1159 /* Drawable IOCTL support (drm_drawable.c) */ 1160 int drm_adddraw(struct drm_device *dev, void *data, 1161 struct drm_file *file_priv); 1162 int drm_rmdraw(struct drm_device *dev, void *data, 1163 struct drm_file *file_priv); 1164 int drm_update_draw(struct drm_device *dev, void *data, 1165 struct drm_file *file_priv); 1166 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1167 int handle); 1168 1169 /* Drawable support (drm_drawable.c) */ 1170 void drm_drawable_free_all(struct drm_device *dev); 1171 1172 /* Authentication IOCTL support (drm_auth.c) */ 1173 int drm_getmagic(struct drm_device *dev, void *data, 1174 struct drm_file *file_priv); 1175 int drm_authmagic(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177 1178 /* Buffer management support (drm_bufs.c) */ 1179 int drm_addmap_ioctl(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181 int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1182 struct drm_file *file_priv); 1183 int drm_addbufs(struct drm_device *dev, void *data, 1184 struct drm_file *file_priv); 1185 int drm_infobufs(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187 int drm_markbufs(struct drm_device *dev, void *data, 1188 struct drm_file *file_priv); 1189 int drm_freebufs(struct drm_device *dev, void *data, 1190 struct drm_file *file_priv); 1191 int drm_mapbufs(struct drm_device *dev, void *data, 1192 struct drm_file *file_priv); 1193 1194 /* DMA support (drm_dma.c) */ 1195 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1196 1197 /* IRQ support (drm_irq.c) */ 1198 int drm_control(struct drm_device *dev, void *data, 1199 struct drm_file *file_priv); 1200 int drm_wait_vblank(struct drm_device *dev, void *data, 1201 struct drm_file *file_priv); 1202 1203 /* AGP/GART support (drm_agpsupport.c) */ 1204 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1205 struct drm_file *file_priv); 1206 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1211 struct drm_file *file_priv); 1212 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1215 struct drm_file *file_priv); 1216 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1219 struct drm_file *file_priv); 1220 1221 /* Scatter Gather Support (drm_scatter.c) */ 1222 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1223 struct drm_file *file_priv); 1224 int drm_sg_free(struct drm_device *dev, void *data, 1225 struct drm_file *file_priv); 1226 1227 /* consistent PCI memory functions (drm_pci.c) */ 1228 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1229 size_t align, dma_addr_t maxaddr); 1230 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1231 1232 /* Inline replacements for drm_alloc and friends */ 1233 static __inline__ void * 1234 drm_alloc(size_t size, struct malloc_type *area) 1235 { 1236 return malloc(size, area, M_NOWAIT); 1237 } 1238 1239 static __inline__ void * 1240 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 1241 { 1242 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 1243 } 1244 1245 static __inline__ void * 1246 drm_realloc(void *oldpt, size_t oldsize, size_t size, 1247 struct malloc_type *area) 1248 { 1249 #if defined(__FreeBSD__) 1250 return reallocf(oldpt, size, area, M_NOWAIT); 1251 #elif defined(__NetBSD__) 1252 void *pt; 1253 1254 pt = malloc(size, area, M_NOWAIT); 1255 if (pt == NULL) 1256 return NULL; 1257 if (oldpt && oldsize) { 1258 memcpy(pt, oldpt, oldsize); 1259 free(oldpt, area); 1260 } 1261 return pt; 1262 #endif 1263 } 1264 1265 static __inline__ void 1266 drm_free(void *pt, size_t size, struct malloc_type *area) 1267 { 1268 free(pt, area); 1269 } 1270 1271 /* Inline replacements for DRM_IOREMAP macros */ 1272 static __inline__ void 1273 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 1274 { 1275 map->handle = drm_ioremap_wc(dev, map); 1276 } 1277 static __inline__ void 1278 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1279 { 1280 map->handle = drm_ioremap(dev, map); 1281 } 1282 static __inline__ void 1283 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1284 { 1285 if ( map->handle && map->size ) 1286 drm_ioremapfree(map); 1287 } 1288 1289 static __inline__ struct drm_local_map * 1290 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1291 { 1292 drm_local_map_t *map; 1293 1294 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1295 TAILQ_FOREACH(map, &dev->maplist, link) { 1296 if (map->offset == offset) 1297 return map; 1298 } 1299 return NULL; 1300 } 1301 1302 static __inline__ void drm_core_dropmap(struct drm_map *map) 1303 { 1304 } 1305 1306 #endif /* __KERNEL__ */ 1307 #endif /* _DRM_P_H_ */ 1308
Indexes created Thu Oct 02 14:10:14 GMT 2025