drmP.h revision 1.9.10.2
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) ALIGN(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 #if defined(__FreeBSD__) 353 354 #define DRM_READ8(map, offset) \ 355 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 356 (vm_offset_t)(offset)) 357 #define DRM_READ16(map, offset) \ 358 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 359 (vm_offset_t)(offset)) 360 #define DRM_READ32(map, offset) \ 361 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 362 (vm_offset_t)(offset)) 363 #define DRM_WRITE8(map, offset, val) \ 364 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 365 (vm_offset_t)(offset)) = val 366 #define DRM_WRITE16(map, offset, val) \ 367 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 368 (vm_offset_t)(offset)) = val 369 #define DRM_WRITE32(map, offset, val) \ 370 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 371 (vm_offset_t)(offset)) = val 372 373 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 374 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 375 376 #elif defined(__NetBSD__) 377 378 typedef vaddr_t vm_offset_t; 379 380 #define DRM_READ8(map, offset) \ 381 bus_space_read_1( (map)->bst, (map)->bsh, (offset)) 382 #define DRM_READ16(map, offset) \ 383 bus_space_read_2( (map)->bst, (map)->bsh, (offset)) 384 #define DRM_READ32(map, offset) \ 385 bus_space_read_4( (map)->bst, (map)->bsh, (offset)) 386 #define DRM_WRITE8(map, offset, val) \ 387 bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) 388 #define DRM_WRITE16(map, offset, val) \ 389 bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) 390 #define DRM_WRITE32(map, offset, val) \ 391 bus_space_write_4((map)->bst, (map)->bsh, (offset), (val)) 392 393 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 394 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 395 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 396 397 #endif 398 399 #define DRM_COPY_TO_USER(user, kern, size) \ 400 copyout(kern, user, size) 401 #define DRM_COPY_FROM_USER(kern, user, size) \ 402 copyin(user, kern, size) 403 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 404 copyin(arg2, arg1, arg3) 405 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 406 copyout(arg2, arg1, arg3) 407 #if defined(__FreeBSD__) 408 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 409 ((val) = fuword32(uaddr), 0) 410 #else 411 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 412 ((val) = fuword(uaddr), 0) 413 #endif 414 415 #define cpu_to_le32(x) htole32(x) 416 #define le32_to_cpu(x) le32toh(x) 417 418 #define DRM_HZ hz 419 #define DRM_UDELAY(udelay) DELAY(udelay) 420 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 421 422 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 423 (_map) = (_dev)->context_sareas[_ctx]; \ 424 } while(0) 425 426 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 427 do { \ 428 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 429 dev->lock.file_priv != file_priv) { \ 430 DRM_ERROR("%s called without lock held\n", \ 431 __FUNCTION__); \ 432 return EINVAL; \ 433 } \ 434 } while (0) 435 436 /* Returns -errno to shared code */ 437 #if defined(__FreeBSD__) 438 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 439 for ( ret = 0 ; !ret && !(condition) ; ) { \ 440 DRM_UNLOCK(); \ 441 mtx_lock(&dev->irq_lock); \ 442 if (!(condition)) \ 443 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 444 PCATCH, "drmwtq", (timeout)); \ 445 mtx_unlock(&dev->irq_lock); \ 446 DRM_LOCK(); \ 447 } 448 #elif defined(__NetBSD__) 449 /* Returns -errno to shared code */ 450 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 451 for ( ret = 0 ; !ret && !(condition) ; ) { \ 452 DRM_UNLOCK(); \ 453 mutex_enter(&dev->irq_lock); \ 454 if (!(condition)) \ 455 ret = -mtsleep(&(queue), PCATCH, \ 456 "drmwtq", (timeout), &dev->irq_lock); \ 457 mutex_exit(&dev->irq_lock); \ 458 DRM_LOCK(); \ 459 } 460 #endif 461 462 #define DRM_ERROR(fmt, ...) \ 463 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 464 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 465 466 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 467 468 #define DRM_DEBUG(fmt, ...) do { \ 469 if (drm_debug_flag) \ 470 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 471 __func__ , ##__VA_ARGS__); \ 472 } while (0) 473 474 typedef struct drm_pci_id_list 475 { 476 int vendor; 477 int device; 478 long driver_private; 479 #if defined(__NetBSD__) 480 const char *name; 481 #else 482 char *name; 483 #endif 484 } drm_pci_id_list_t; 485 486 struct drm_msi_blacklist_entry 487 { 488 int vendor; 489 int device; 490 }; 491 492 #define DRM_AUTH 0x1 493 #define DRM_MASTER 0x2 494 #define DRM_ROOT_ONLY 0x4 495 typedef struct drm_ioctl_desc { 496 unsigned long cmd; 497 int (*func)(struct drm_device *dev, void *data, 498 struct drm_file *file_priv); 499 int flags; 500 } drm_ioctl_desc_t; 501 /** 502 * Creates a driver or general drm_ioctl_desc array entry for the given 503 * ioctl, for use by drm_ioctl(). 504 */ 505 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 506 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 507 508 typedef struct drm_magic_entry { 509 drm_magic_t magic; 510 struct drm_file *priv; 511 struct drm_magic_entry *next; 512 } drm_magic_entry_t; 513 514 typedef struct drm_magic_head { 515 struct drm_magic_entry *head; 516 struct drm_magic_entry *tail; 517 } drm_magic_head_t; 518 519 typedef struct drm_buf { 520 int idx; /* Index into master buflist */ 521 int total; /* Buffer size */ 522 int order; /* log-base-2(total) */ 523 int used; /* Amount of buffer in use (for DMA) */ 524 unsigned long offset; /* Byte offset (used internally) */ 525 void *address; /* Address of buffer */ 526 unsigned long bus_address; /* Bus address of buffer */ 527 struct drm_buf *next; /* Kernel-only: used for free list */ 528 __volatile__ int pending; /* On hardware DMA queue */ 529 struct drm_file *file_priv; /* Unique identifier of holding process */ 530 int context; /* Kernel queue for this buffer */ 531 enum { 532 DRM_LIST_NONE = 0, 533 DRM_LIST_FREE = 1, 534 DRM_LIST_WAIT = 2, 535 DRM_LIST_PEND = 3, 536 DRM_LIST_PRIO = 4, 537 DRM_LIST_RECLAIM = 5 538 } list; /* Which list we're on */ 539 540 int dev_priv_size; /* Size of buffer private stoarge */ 541 void *dev_private; /* Per-buffer private storage */ 542 } drm_buf_t; 543 544 typedef struct drm_freelist { 545 int initialized; /* Freelist in use */ 546 atomic_t count; /* Number of free buffers */ 547 drm_buf_t *next; /* End pointer */ 548 549 int low_mark; /* Low water mark */ 550 int high_mark; /* High water mark */ 551 } drm_freelist_t; 552 553 typedef struct drm_dma_handle { 554 void *vaddr; 555 bus_addr_t busaddr; 556 bus_dma_tag_t tag; 557 bus_dmamap_t map; 558 #if defined(__NetBSD__) 559 size_t size; 560 size_t nsegs; 561 bus_dma_segment_t segs[1]; 562 #endif 563 } drm_dma_handle_t; 564 565 typedef struct drm_buf_entry { 566 int buf_size; 567 int buf_count; 568 drm_buf_t *buflist; 569 int seg_count; 570 drm_dma_handle_t **seglist; 571 int page_order; 572 573 drm_freelist_t freelist; 574 } drm_buf_entry_t; 575 576 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 577 struct drm_file { 578 TAILQ_ENTRY(drm_file) link; 579 struct drm_device *dev; 580 int authenticated; 581 int master; 582 int minor; 583 pid_t pid; 584 uid_t uid; 585 drm_magic_t magic; 586 unsigned long ioctl_count; 587 void *driver_priv; 588 }; 589 590 typedef struct drm_lock_data { 591 struct drm_hw_lock *hw_lock; /* Hardware lock */ 592 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 593 int lock_queue; /* Queue of blocked processes */ 594 unsigned long lock_time; /* Time of last lock in jiffies */ 595 } drm_lock_data_t; 596 597 /* This structure, in the struct drm_device, is always initialized while the 598 * device 599 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 600 * when set marks that no further bufs may be allocated until device teardown 601 * occurs (when the last open of the device has closed). The high/low 602 * watermarks of bufs are only touched by the X Server, and thus not 603 * concurrently accessed, so no locking is needed. 604 */ 605 typedef struct drm_device_dma { 606 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 607 int buf_count; 608 drm_buf_t **buflist; /* Vector of pointers info bufs */ 609 int seg_count; 610 int page_count; 611 unsigned long *pagelist; 612 unsigned long byte_count; 613 enum { 614 _DRM_DMA_USE_AGP = 0x01, 615 _DRM_DMA_USE_SG = 0x02 616 } flags; 617 } drm_device_dma_t; 618 619 typedef struct drm_agp_mem { 620 void *handle; 621 unsigned long bound; /* address */ 622 int pages; 623 struct drm_agp_mem *prev; 624 struct drm_agp_mem *next; 625 } drm_agp_mem_t; 626 627 typedef struct drm_agp_head { 628 device_t agpdev; 629 struct agp_info info; 630 const char *chipset; 631 drm_agp_mem_t *memory; 632 unsigned long mode; 633 int enabled; 634 int acquired; 635 unsigned long base; 636 int mtrr; 637 int cant_use_aperture; 638 unsigned long page_mask; 639 } drm_agp_head_t; 640 641 typedef struct drm_sg_mem { 642 unsigned long handle; 643 void *virtual; 644 int pages; 645 dma_addr_t *busaddr; 646 struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */ 647 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 648 /* for ATI PCIGART table */ 649 } drm_sg_mem_t; 650 651 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 652 653 typedef struct drm_local_map { 654 unsigned long offset; /* Physical address (0 for SAREA)*/ 655 unsigned long size; /* Physical size (bytes) */ 656 enum drm_map_type type; /* Type of memory mapped */ 657 enum drm_map_flags flags; /* Flags */ 658 void *handle; /* User-space: "Handle" to pass to mmap */ 659 /* Kernel-space: kernel-virtual address */ 660 int mtrr; /* Boolean: MTRR used */ 661 /* Private data */ 662 int rid; /* PCI resource ID for bus_space */ 663 #if defined(__FreeBSD__) 664 struct resource *bsr; 665 #endif 666 bus_space_tag_t bst; 667 bus_space_handle_t bsh; 668 drm_dma_handle_t *dmah; 669 #if defined(__NetBSD__) 670 int *cnt; 671 bus_size_t mapsize; 672 #endif 673 TAILQ_ENTRY(drm_local_map) link; 674 } drm_local_map_t; 675 676 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 677 typedef struct drm_vbl_sig { 678 TAILQ_ENTRY(drm_vbl_sig) link; 679 unsigned int sequence; 680 int signo; 681 int pid; 682 } drm_vbl_sig_t; 683 684 struct drm_vblank_info { 685 wait_queue_head_t queue; /* vblank wait queue */ 686 atomic_t count; /* number of VBLANK interrupts */ 687 /* (driver must alloc the right number of counters) */ 688 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 689 atomic_t refcount; /* number of users of vblank interrupts */ 690 u32 last; /* protected by dev->vbl_lock, used */ 691 /* for wraparound handling */ 692 int enabled; /* so we don't call enable more than */ 693 /* once per disable */ 694 int inmodeset; /* Display driver is setting mode */ 695 }; 696 697 /* location of GART table */ 698 #define DRM_ATI_GART_MAIN 1 699 #define DRM_ATI_GART_FB 2 700 701 #define DRM_ATI_GART_PCI 1 702 #define DRM_ATI_GART_PCIE 2 703 #define DRM_ATI_GART_IGP 3 704 705 struct drm_ati_pcigart_info { 706 int gart_table_location; 707 int gart_reg_if; 708 void *addr; 709 dma_addr_t bus_addr; 710 dma_addr_t table_mask; 711 dma_addr_t member_mask; 712 struct drm_dma_handle *table_handle; 713 drm_local_map_t mapping; 714 int table_size; 715 }; 716 717 #ifndef DMA_BIT_MASK 718 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 719 #endif 720 721 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 722 723 struct drm_driver_info { 724 int (*load)(struct drm_device *, unsigned long flags); 725 int (*firstopen)(struct drm_device *); 726 int (*open)(struct drm_device *, struct drm_file *); 727 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 728 void (*postclose)(struct drm_device *, struct drm_file *); 729 void (*lastclose)(struct drm_device *); 730 int (*unload)(struct drm_device *); 731 void (*reclaim_buffers_locked)(struct drm_device *, 732 struct drm_file *file_priv); 733 int (*dma_ioctl)(struct drm_device *dev, void *data, 734 struct drm_file *file_priv); 735 void (*dma_ready)(struct drm_device *); 736 int (*dma_quiescent)(struct drm_device *); 737 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 738 enum drm_lock_flags flags); 739 int (*dma_flush_unblock)(struct drm_device *, int context, 740 enum drm_lock_flags flags); 741 int (*context_ctor)(struct drm_device *dev, int context); 742 int (*context_dtor)(struct drm_device *dev, int context); 743 int (*kernel_context_switch)(struct drm_device *dev, int old, 744 int new); 745 int (*kernel_context_switch_unlock)(struct drm_device *dev); 746 void (*irq_preinstall)(struct drm_device *dev); 747 int (*irq_postinstall)(struct drm_device *dev); 748 void (*irq_uninstall)(struct drm_device *dev); 749 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 750 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 751 int (*enable_vblank)(struct drm_device *dev, int crtc); 752 void (*disable_vblank)(struct drm_device *dev, int crtc); 753 754 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 755 756 /** 757 * Called by \c drm_device_is_agp. Typically used to determine if a 758 * card is really attached to AGP or not. 759 * 760 * \param dev DRM device handle 761 * 762 * \returns 763 * One of three values is returned depending on whether or not the 764 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 765 * (return of 1), or may or may not be AGP (return of 2). 766 */ 767 int (*device_is_agp) (struct drm_device * dev); 768 769 drm_ioctl_desc_t *ioctls; 770 int max_ioctl; 771 772 int buf_priv_size; 773 774 int major; 775 int minor; 776 int patchlevel; 777 const char *name; /* Simple driver name */ 778 const char *desc; /* Longer driver name */ 779 const char *date; /* Date of last major changes. */ 780 781 u32 driver_features; 782 }; 783 784 /* Length for the array of resource pointers for drm_get_resource_*. */ 785 #define DRM_MAX_PCI_RESOURCE 6 786 787 #if defined(__NetBSD__) 788 typedef struct { 789 int mapped; 790 int maptype; 791 bus_addr_t base; 792 bus_size_t size; 793 bus_space_handle_t bsh; 794 int flags; 795 void * vaddr; 796 } pci_map_data_t; 797 #endif 798 799 /** 800 * DRM device functions structure 801 */ 802 struct drm_device { 803 struct drm_driver_info *driver; 804 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 805 806 u_int16_t pci_device; /* PCI device id */ 807 u_int16_t pci_vendor; /* PCI vendor id */ 808 809 char *unique; /* Unique identifier: e.g., busid */ 810 int unique_len; /* Length of unique field */ 811 device_t device; /* Device instance from newbus */ 812 #if defined(__FreeBSD__) 813 struct cdev *devnode; /* Device number for mknod */ 814 #endif 815 int if_version; /* Highest interface version set */ 816 817 int flags; /* Flags to open(2) */ 818 819 /* Locks */ 820 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 821 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 822 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 823 DRM_SPINTYPE dev_lock; /* protects everything else */ 824 DRM_SPINTYPE drw_lock; 825 826 /* Usage Counters */ 827 int open_count; /* Outstanding files open */ 828 int buf_use; /* Buffers in use -- cannot alloc */ 829 830 /* Performance counters */ 831 unsigned long counters; 832 enum drm_stat_type types[15]; 833 atomic_t counts[15]; 834 835 /* Authentication */ 836 drm_file_list_t files; 837 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 838 839 /* Linked list of mappable regions. Protected by dev_lock */ 840 drm_map_list_t maplist; 841 842 drm_local_map_t **context_sareas; 843 int max_context; 844 845 drm_lock_data_t lock; /* Information on hardware lock */ 846 847 /* DMA queues (contexts) */ 848 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 849 850 /* Context support */ 851 int irq; /* Interrupt used by board */ 852 int irq_enabled; /* True if the irq handler is enabled */ 853 int msi_enabled; /* MSI enabled */ 854 #if defined(__FreeBSD__) 855 int irqrid; /* Interrupt used by board */ 856 struct resource *irqr; /* Resource for interrupt used by board */ 857 858 /* Storage of resource pointers for drm_get_resource_* */ 859 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 860 int pcirid[DRM_MAX_PCI_RESOURCE]; 861 #elif defined(__NetBSD__) 862 struct pci_attach_args pa; 863 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 864 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 865 dev_t kdev; 866 #endif 867 void *irqh; /* Handle from bus_setup_intr */ 868 869 int pci_domain; 870 int pci_bus; 871 int pci_slot; 872 int pci_func; 873 874 atomic_t context_flag; /* Context swapping flag */ 875 int last_context; /* Last current context */ 876 877 int vblank_disable_allowed; 878 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 879 struct callout vblank_disable_timer; 880 u32 max_vblank_count; /* size of vblank counter register */ 881 struct drm_vblank_info *vblank; /* per crtc vblank info */ 882 int num_crtcs; 883 884 #if defined(__FreeBSD__) 885 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 886 #elif defined(__NetBSD__) 887 pid_t buf_pgid; 888 #endif 889 890 /* Sysctl support */ 891 struct drm_sysctl_info *sysctl; 892 893 drm_agp_head_t *agp; 894 drm_sg_mem_t *sg; /* Scatter gather memory */ 895 atomic_t *ctx_bitmap; 896 void *dev_private; 897 unsigned int agp_buffer_token; 898 drm_local_map_t *agp_buffer_map; 899 900 #if defined(__FreeBSD__) 901 struct unrhdr *drw_unrhdr; 902 #elif defined(__NetBSD__) 903 int drw_no; 904 #endif 905 /* RB tree of drawable infos */ 906 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 907 }; 908 909 static __inline__ int drm_core_check_feature(struct drm_device *dev, 910 int feature) 911 { 912 return ((dev->driver->driver_features & feature) ? 1 : 0); 913 } 914 915 #if __OS_HAS_AGP 916 static inline int drm_core_has_AGP(struct drm_device *dev) 917 { 918 return drm_core_check_feature(dev, DRIVER_USE_AGP); 919 } 920 #else 921 #define drm_core_has_AGP(dev) (0) 922 #endif 923 924 extern int drm_debug_flag; 925 926 /* Device setup support (drm_drv.c) */ 927 #if defined(__FreeBSD__) 928 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 929 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 930 void drm_close(void *data); 931 int drm_detach(device_t kdev); 932 d_ioctl_t drm_ioctl; 933 d_open_t drm_open; 934 d_read_t drm_read; 935 d_poll_t drm_poll; 936 d_mmap_t drm_mmap; 937 #elif defined(__NetBSD__) 938 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 939 void drm_attach(device_t kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 940 int drm_detach(device_t self, int flags); 941 int drm_activate(device_t self, devact_t act); 942 dev_type_ioctl(drm_ioctl); 943 dev_type_open(drm_open); 944 dev_type_close(drm_close); 945 dev_type_read(drm_read); 946 dev_type_poll(drm_poll); 947 dev_type_mmap(drm_mmap); 948 #endif 949 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 950 951 int drm_close_pid(struct drm_device *dev, struct drm_file *priv, pid_t pid); 952 953 /* File operations helpers (drm_fops.c) */ 954 #if defined(__FreeBSD__) 955 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 956 DRM_STRUCTPROC *p, 957 struct drm_device *dev); 958 #elif defined(__NetBSD__) 959 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev, 960 struct proc *p); 961 extern int drm_open_helper(dev_t kdev, int flags, int fmt, 962 struct proc *p, struct drm_device *dev); 963 #endif 964 965 /* Memory management support (drm_memory.c) */ 966 void drm_mem_init(void); 967 void drm_mem_uninit(void); 968 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 969 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 970 void drm_ioremapfree(drm_local_map_t *map); 971 #if defined(__FreeBSD__) 972 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 973 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 974 #elif defined(__NetBSD__) 975 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 976 int drm_mtrr_del(unsigned long offset, size_t size, int flags); 977 #endif 978 979 int drm_context_switch(struct drm_device *dev, int old, int new); 980 int drm_context_switch_complete(struct drm_device *dev, int new); 981 982 int drm_ctxbitmap_init(struct drm_device *dev); 983 void drm_ctxbitmap_cleanup(struct drm_device *dev); 984 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 985 int drm_ctxbitmap_next(struct drm_device *dev); 986 987 /* Locking IOCTL support (drm_lock.c) */ 988 int drm_lock_take(struct drm_lock_data *lock_data, 989 unsigned int context); 990 int drm_lock_transfer(struct drm_lock_data *lock_data, 991 unsigned int context); 992 int drm_lock_free(struct drm_lock_data *lock_data, 993 unsigned int context); 994 995 /* Buffer management support (drm_bufs.c) */ 996 unsigned long drm_get_resource_start(struct drm_device *dev, 997 unsigned int resource); 998 unsigned long drm_get_resource_len(struct drm_device *dev, 999 unsigned int resource); 1000 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1001 int drm_order(unsigned long size); 1002 int drm_addmap(struct drm_device *dev, unsigned long offset, 1003 unsigned long size, 1004 enum drm_map_type type, enum drm_map_flags flags, 1005 drm_local_map_t **map_ptr); 1006 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 1007 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 1008 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 1009 1010 /* DMA support (drm_dma.c) */ 1011 int drm_dma_setup(struct drm_device *dev); 1012 void drm_dma_takedown(struct drm_device *dev); 1013 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1014 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1015 #define drm_core_reclaim_buffers drm_reclaim_buffers 1016 1017 /* IRQ support (drm_irq.c) */ 1018 int drm_irq_install(struct drm_device *dev); 1019 int drm_irq_uninstall(struct drm_device *dev); 1020 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1021 void drm_driver_irq_preinstall(struct drm_device *dev); 1022 void drm_driver_irq_postinstall(struct drm_device *dev); 1023 void drm_driver_irq_uninstall(struct drm_device *dev); 1024 void drm_handle_vblank(struct drm_device *dev, int crtc); 1025 u32 drm_vblank_count(struct drm_device *dev, int crtc); 1026 int drm_vblank_get(struct drm_device *dev, int crtc); 1027 void drm_vblank_put(struct drm_device *dev, int crtc); 1028 void drm_vblank_cleanup(struct drm_device *dev); 1029 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1030 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1031 void drm_vbl_send_signals(struct drm_device *dev, int crtc); 1032 int drm_modeset_ctl(struct drm_device *dev, void *data, 1033 struct drm_file *file_priv); 1034 1035 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1036 int drm_device_is_agp(struct drm_device *dev); 1037 int drm_device_is_pcie(struct drm_device *dev); 1038 drm_agp_head_t *drm_agp_init(struct drm_device *dev); 1039 int drm_agp_acquire(struct drm_device *dev); 1040 int drm_agp_release(struct drm_device *dev); 1041 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 1042 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1043 void *drm_agp_allocate_memory(size_t pages, u32 type); 1044 int drm_agp_free_memory(void *handle); 1045 int drm_agp_bind_memory(void *handle, off_t start); 1046 int drm_agp_unbind_memory(void *handle); 1047 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1048 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1049 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1050 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1051 1052 /* Scatter Gather Support (drm_scatter.c) */ 1053 void drm_sg_cleanup(drm_sg_mem_t *entry); 1054 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1055 1056 /* sysctl support (drm_sysctl.h) */ 1057 extern int drm_sysctl_init(struct drm_device *dev); 1058 extern int drm_sysctl_cleanup(struct drm_device *dev); 1059 1060 /* ATI PCIGART support (ati_pcigart.c) */ 1061 int drm_ati_pcigart_init(struct drm_device *dev, 1062 struct drm_ati_pcigart_info *gart_info); 1063 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1064 struct drm_ati_pcigart_info *gart_info); 1065 1066 /* Locking IOCTL support (drm_drv.c) */ 1067 int drm_lock(struct drm_device *dev, void *data, 1068 struct drm_file *file_priv); 1069 int drm_unlock(struct drm_device *dev, void *data, 1070 struct drm_file *file_priv); 1071 int drm_version(struct drm_device *dev, void *data, 1072 struct drm_file *file_priv); 1073 int drm_setversion(struct drm_device *dev, void *data, 1074 struct drm_file *file_priv); 1075 1076 /* Misc. IOCTL support (drm_ioctl.c) */ 1077 int drm_irq_by_busid(struct drm_device *dev, void *data, 1078 struct drm_file *file_priv); 1079 int drm_getunique(struct drm_device *dev, void *data, 1080 struct drm_file *file_priv); 1081 int drm_setunique(struct drm_device *dev, void *data, 1082 struct drm_file *file_priv); 1083 int drm_getmap(struct drm_device *dev, void *data, 1084 struct drm_file *file_priv); 1085 int drm_getclient(struct drm_device *dev, void *data, 1086 struct drm_file *file_priv); 1087 int drm_getstats(struct drm_device *dev, void *data, 1088 struct drm_file *file_priv); 1089 int drm_noop(struct drm_device *dev, void *data, 1090 struct drm_file *file_priv); 1091 1092 /* Context IOCTL support (drm_context.c) */ 1093 int drm_resctx(struct drm_device *dev, void *data, 1094 struct drm_file *file_priv); 1095 int drm_addctx(struct drm_device *dev, void *data, 1096 struct drm_file *file_priv); 1097 int drm_modctx(struct drm_device *dev, void *data, 1098 struct drm_file *file_priv); 1099 int drm_getctx(struct drm_device *dev, void *data, 1100 struct drm_file *file_priv); 1101 int drm_switchctx(struct drm_device *dev, void *data, 1102 struct drm_file *file_priv); 1103 int drm_newctx(struct drm_device *dev, void *data, 1104 struct drm_file *file_priv); 1105 int drm_rmctx(struct drm_device *dev, void *data, 1106 struct drm_file *file_priv); 1107 int drm_setsareactx(struct drm_device *dev, void *data, 1108 struct drm_file *file_priv); 1109 int drm_getsareactx(struct drm_device *dev, void *data, 1110 struct drm_file *file_priv); 1111 1112 /* Drawable IOCTL support (drm_drawable.c) */ 1113 int drm_adddraw(struct drm_device *dev, void *data, 1114 struct drm_file *file_priv); 1115 int drm_rmdraw(struct drm_device *dev, void *data, 1116 struct drm_file *file_priv); 1117 int drm_update_draw(struct drm_device *dev, void *data, 1118 struct drm_file *file_priv); 1119 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1120 int handle); 1121 1122 /* Drawable support (drm_drawable.c) */ 1123 void drm_drawable_free_all(struct drm_device *dev); 1124 1125 /* Authentication IOCTL support (drm_auth.c) */ 1126 int drm_getmagic(struct drm_device *dev, void *data, 1127 struct drm_file *file_priv); 1128 int drm_authmagic(struct drm_device *dev, void *data, 1129 struct drm_file *file_priv); 1130 1131 /* Buffer management support (drm_bufs.c) */ 1132 int drm_addmap_ioctl(struct drm_device *dev, void *data, 1133 struct drm_file *file_priv); 1134 int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1135 struct drm_file *file_priv); 1136 int drm_addbufs(struct drm_device *dev, void *data, 1137 struct drm_file *file_priv); 1138 int drm_infobufs(struct drm_device *dev, void *data, 1139 struct drm_file *file_priv); 1140 int drm_markbufs(struct drm_device *dev, void *data, 1141 struct drm_file *file_priv); 1142 int drm_freebufs(struct drm_device *dev, void *data, 1143 struct drm_file *file_priv); 1144 int drm_mapbufs(struct drm_device *dev, void *data, 1145 struct drm_file *file_priv); 1146 1147 /* DMA support (drm_dma.c) */ 1148 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1149 1150 /* IRQ support (drm_irq.c) */ 1151 int drm_control(struct drm_device *dev, void *data, 1152 struct drm_file *file_priv); 1153 int drm_wait_vblank(struct drm_device *dev, void *data, 1154 struct drm_file *file_priv); 1155 1156 /* AGP/GART support (drm_agpsupport.c) */ 1157 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1158 struct drm_file *file_priv); 1159 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1162 struct drm_file *file_priv); 1163 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1164 struct drm_file *file_priv); 1165 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1166 struct drm_file *file_priv); 1167 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1168 struct drm_file *file_priv); 1169 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1170 struct drm_file *file_priv); 1171 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1172 struct drm_file *file_priv); 1173 1174 /* Scatter Gather Support (drm_scatter.c) */ 1175 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177 int drm_sg_free(struct drm_device *dev, void *data, 1178 struct drm_file *file_priv); 1179 1180 /* consistent PCI memory functions (drm_pci.c) */ 1181 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1182 size_t align, dma_addr_t maxaddr); 1183 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1184 1185 /* Inline replacements for drm_alloc and friends */ 1186 static __inline__ void * 1187 drm_alloc(size_t size, struct malloc_type *area) 1188 { 1189 return malloc(size, area, M_NOWAIT); 1190 } 1191 1192 static __inline__ void * 1193 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 1194 { 1195 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 1196 } 1197 1198 static __inline__ void * 1199 drm_realloc(void *oldpt, size_t oldsize, size_t size, 1200 struct malloc_type *area) 1201 { 1202 #if defined(__FreeBSD__) 1203 return reallocf(oldpt, size, area, M_NOWAIT); 1204 #elif defined(__NetBSD__) 1205 void *pt; 1206 1207 pt = malloc(size, area, M_NOWAIT); 1208 if (pt == NULL) 1209 return NULL; 1210 if (oldpt && oldsize) { 1211 memcpy(pt, oldpt, oldsize); 1212 free(oldpt, area); 1213 } 1214 return pt; 1215 #endif 1216 } 1217 1218 static __inline__ void 1219 drm_free(void *pt, size_t size, struct malloc_type *area) 1220 { 1221 free(pt, area); 1222 } 1223 1224 /* Inline replacements for DRM_IOREMAP macros */ 1225 static __inline__ void 1226 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 1227 { 1228 map->handle = drm_ioremap_wc(dev, map); 1229 } 1230 static __inline__ void 1231 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1232 { 1233 map->handle = drm_ioremap(dev, map); 1234 } 1235 static __inline__ void 1236 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1237 { 1238 if ( map->handle && map->size ) 1239 drm_ioremapfree(map); 1240 } 1241 1242 static __inline__ struct drm_local_map * 1243 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1244 { 1245 drm_local_map_t *map; 1246 1247 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1248 TAILQ_FOREACH(map, &dev->maplist, link) { 1249 if (map->offset == offset) 1250 return map; 1251 } 1252 return NULL; 1253 } 1254 1255 static __inline__ void drm_core_dropmap(struct drm_map *map) 1256 { 1257 } 1258 1259 #endif /* __KERNEL__ */ 1260 #endif /* _DRM_P_H_ */ 1261
Indexes created Thu Oct 02 14:10:14 GMT 2025