drmP.h revision 1.9.4.2
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 typedef struct drm_device drm_device_t; 40 typedef struct drm_file drm_file_t; 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 #ifndef __OpenBSD__ 51 #include <sys/module.h> 52 #endif 53 #include <sys/systm.h> 54 #include <sys/conf.h> 55 #include <sys/stat.h> 56 #if __FreeBSD_version >= 700000 57 #include <sys/priv.h> 58 #endif 59 #include <sys/proc.h> 60 #include <sys/lock.h> 61 #include <sys/fcntl.h> 62 #include <sys/uio.h> 63 #include <sys/filio.h> 64 #include <sys/sysctl.h> 65 #include <sys/poll.h> 66 #include <sys/tree.h> 67 #include <sys/bus.h> 68 #include <sys/signalvar.h> 69 #ifdef __FreeBSD__ 70 #include <sys/taskqueue.h> 71 #include <vm/vm.h> 72 #include <vm/pmap.h> 73 #include <vm/vm_extern.h> 74 #include <vm/vm_map.h> 75 #include <vm/vm_param.h> 76 #include <machine/resource.h> 77 #include <machine/param.h> 78 #endif 79 #include <machine/pmap.h> 80 #include <machine/bus.h> 81 #if !defined(DRM_NO_MTRR) 82 #include <machine/sysarch.h> 83 #endif 84 #include <sys/endian.h> 85 #include <sys/mman.h> 86 #if defined(__FreeBSD__) 87 #include <sys/rman.h> 88 #include <sys/memrange.h> 89 #if __FreeBSD_version >= 800004 90 #include <dev/agp/agpvar.h> 91 #else /* __FreeBSD_version >= 800004 */ 92 #include <pci/agpvar.h> 93 #endif /* __FreeBSD_version >= 800004 */ 94 #include <sys/agpio.h> 95 #if __FreeBSD_version >= 500000 96 #include <sys/mutex.h> 97 #include <dev/pci/pcivar.h> 98 #include <sys/selinfo.h> 99 #else /* __FreeBSD_version >= 500000 */ 100 #include <pci/pcivar.h> 101 #include <sys/select.h> 102 #endif /* __FreeBSD_version < 500000 */ 103 #elif defined(__NetBSD__) 104 #ifndef DRM_NO_MTRR 105 #include <machine/mtrr.h> 106 #endif 107 #include <sys/vnode.h> 108 #include <sys/select.h> 109 #include <sys/device.h> 110 #include <sys/resourcevar.h> 111 #include <sys/lkm.h> 112 #include <sys/agpio.h> 113 #include <sys/ttycom.h> 114 #include <sys/mman.h> 115 #include <sys/kauth.h> 116 #include <sys/types.h> 117 #include <sys/file.h> 118 #include <sys/atomic.h> 119 #include <sys/workqueue.h> 120 #include <uvm/uvm.h> 121 #include <dev/pci/pcireg.h> 122 #include <dev/pci/pcivar.h> 123 #include <dev/pci/agpvar.h> 124 #elif defined(__OpenBSD__) 125 #include <sys/lkm.h> 126 #include <uvm/uvm.h> 127 #endif 128 129 #include "drm.h" 130 #include "drm_linux_list.h" 131 #include "drm_atomic.h" 132 #include "drm_internal.h" 133 134 #ifdef __FreeBSD__ 135 #include <opt_drm.h> 136 #endif 137 138 #ifdef DRM_DEBUG 139 #undef DRM_DEBUG 140 #define DRM_DEBUG_DEFAULT_ON 1 141 #endif /* DRM_DEBUG */ 142 143 #ifdef __FreeBSD__ 144 #define DRM_KASSERT(x,y) KASSERT(x,y) 145 #else 146 #define DRM_KASSERT(x,y) KASSERT(x) 147 #define device_get_softc(x) device_private(x) 148 #define callout_deactivate(x) callout_stop(x) 149 #define callout_drain(x) callout_stop(x) 150 #endif 151 152 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 153 #include <sys/file.h> 154 #include <sys/proc.h> 155 #include <machine/../linux/linux.h> 156 #include <machine/../linux/linux_proto.h> 157 #else 158 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 159 * supported on this OS yet. 160 */ 161 #undef DRM_LINUX 162 #define DRM_LINUX 0 163 #endif 164 165 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 166 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 167 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 168 169 #define DRM_MEM_DMA 0 170 #define DRM_MEM_SAREA 1 171 #define DRM_MEM_DRIVER 2 172 #define DRM_MEM_MAGIC 3 173 #define DRM_MEM_IOCTLS 4 174 #define DRM_MEM_MAPS 5 175 #define DRM_MEM_BUFS 6 176 #define DRM_MEM_SEGS 7 177 #define DRM_MEM_PAGES 8 178 #define DRM_MEM_FILES 9 179 #define DRM_MEM_QUEUES 10 180 #define DRM_MEM_CMDS 11 181 #define DRM_MEM_MAPPINGS 12 182 #define DRM_MEM_BUFLISTS 13 183 #define DRM_MEM_AGPLISTS 14 184 #define DRM_MEM_TOTALAGP 15 185 #define DRM_MEM_BOUNDAGP 16 186 #define DRM_MEM_CTXBITMAP 17 187 #define DRM_MEM_STUB 18 188 #define DRM_MEM_SGLISTS 19 189 #define DRM_MEM_DRAWABLE 20 190 191 #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 MALLOC_DECLARE(M_DRM); 201 202 #define __OS_HAS_AGP 1 203 204 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 205 #define DRM_DEV_UID 0 206 #define DRM_DEV_GID 0 207 208 #define wait_queue_head_t atomic_t 209 #define DRM_WAKEUP(w) wakeup((void *)w) 210 #define DRM_WAKEUP_INT(w) wakeup(w) 211 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 212 213 #if defined(__FreeBSD__) && __FreeBSD_version < 502109 214 #define bus_alloc_resource_any(dev, type, rid, flags) \ 215 bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags) 216 #endif 217 218 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 219 #define DRM_CDEV struct cdev * 220 #define DRM_CURPROC curthread 221 #define DRM_STRUCTPROC struct thread 222 #define DRM_STRUCTCDEVPROC struct thread 223 #define DRM_CDEVPROC_REAL(p) (p) 224 #define DRM_IOCTL_DATA caddr_t 225 #define DRM_SPINTYPE struct mtx 226 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 227 #define DRM_SPINUNINIT(l) mtx_destroy(l) 228 #define DRM_SPINLOCK(l) mtx_lock(l) 229 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 230 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 231 mtx_lock(l); \ 232 (void)irqflags; \ 233 } while (0) 234 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 235 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 236 #define DRM_CURRENTPID curthread->td_proc->p_pid 237 #define DRM_LOCK() mtx_lock(&dev->dev_lock) 238 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 239 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 240 #else /* __FreeBSD__ && __FreeBSD_version >= 500000 */ 241 #ifdef __NetBSD__ 242 #define DRM_CDEV dev_t 243 #define DRM_CURPROC curproc 244 #define DRM_STRUCTPROC struct proc 245 #define DRM_STRUCTCDEVPROC struct lwp 246 #define DRM_CDEVPROC_REAL(l) (l)->l_proc 247 #define DRM_IOCTL_DATA void * 248 #define DRM_SPINTYPE kmutex_t 249 #define DRM_SPININIT(l,name) mutex_init(l, MUTEX_DEFAULT, IPL_NONE) 250 #define DRM_SPINUNINIT(l) mutex_destroy(l) 251 #define DRM_SPINLOCK(l) mutex_enter(l) 252 #define DRM_SPINUNLOCK(u) mutex_exit(u) 253 #define DRM_SPINLOCK_ASSERT(l) mutex_owned(l) 254 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock) 255 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock) 256 #define DRM_CURRENTPID curproc->p_pid 257 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTLFN_ARGS) 258 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 259 mutex_enter(l); \ 260 (void)irqflags; \ 261 } while (0) 262 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u) 263 #else /* __NetBSD__ */ 264 #define DRM_CURPROC curproc 265 #define DRM_STRUCTPROC struct proc 266 #define DRM_SPINTYPE struct simplelock 267 #define DRM_SPININIT(l,name) 268 #define DRM_SPINUNINIT(l) 269 #define DRM_SPINLOCK(l) 270 #define DRM_SPINUNLOCK(u) 271 #define DRM_SPINLOCK_ASSERT(l) 272 #define DRM_CURRENTPID curproc->p_pid 273 #define DRM_LOCK() 274 #define DRM_UNLOCK() 275 #define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS 276 #define spldrm() spltty() 277 #endif /* __OpenBSD__ */ 278 #endif 279 280 #define DRM_IRQ_ARGS void *arg 281 #ifdef __FreeBSD__ 282 typedef void irqreturn_t; 283 #define IRQ_HANDLED /* nothing */ 284 #define IRQ_NONE /* nothing */ 285 #elif defined(__NetBSD__) 286 typedef int irqreturn_t; 287 #define IRQ_HANDLED 1 288 #define IRQ_NONE 0 289 #endif 290 291 enum { 292 DRM_IS_NOT_AGP, 293 DRM_IS_AGP, 294 DRM_MIGHT_BE_AGP 295 }; 296 #define DRM_AGP_MEM struct agp_memory_info 297 298 #if defined(__FreeBSD__) 299 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 300 #elif defined(__NetBSD__) 301 #define drm_get_device_from_kdev(_kdev) (minor(_kdev) < DRM_MAXUNITS) ? \ 302 drm_units[minor(_kdev)] : NULL 303 #elif defined(__OpenBSD__) 304 #define drm_get_device_from_kdev(_kdev) device_lookup(&drm_cd, \ 305 minor(_kdev)))->dv_cfdata->cf_driver->cd_devs[minor(_kdev)] 306 #endif 307 308 #if defined(__FreeBSD__) 309 #define PAGE_ALIGN(addr) round_page(addr) 310 /* DRM_SUSER returns true if the user is superuser */ 311 #if __FreeBSD_version >= 700000 312 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 313 #else 314 #define DRM_SUSER(p) (suser(p) == 0) 315 #endif 316 #define DRM_AGP_FIND_DEVICE() agp_find_device() 317 #define DRM_MTRR_WC MDF_WRITECOMBINE 318 #define jiffies ticks 319 320 #else /* __FreeBSD__ */ 321 322 #define CDEV_MAJOR 34 323 #define PAGE_ALIGN(addr) ALIGN(addr) 324 /* DRM_SUSER returns true if the user is superuser */ 325 #if defined(__NetBSD__) 326 #define DRM_SUSER(p) (kauth_cred_getsvuid((p)->p_cred) == 0) 327 #define DRM_MAXUNITS 128 328 extern drm_device_t *drm_units[]; 329 #define DRM_MTRR_WC MTRR_TYPE_WC 330 #define jiffies hardclock_ticks 331 #ifdef __x86_64__ 332 #define DRM_NETBSD_ADDR2HANDLE(v) ((vaddr_t)(v) - vm_map_min(kernel_map)) 333 #define DRM_NETBSD_HANDLE2ADDR(u) ((vaddr_t)(u) + vm_map_min(kernel_map)) 334 #else 335 #define DRM_NETBSD_ADDR2HANDLE(addr) (addr) 336 #define DRM_NETBSD_HANDLE2ADDR(handle) (handle) 337 #endif 338 #elif defined(__OpenBSD__) 339 #define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0) 340 #define DRM_MTRR_WC MTRR_TYPE_WC 341 #define jiffies ticks 342 #endif 343 344 #ifdef DRM_NO_AGP 345 #define DRM_AGP_FIND_DEVICE() 0 346 #else 347 #define DRM_AGP_FIND_DEVICE() agp_find_device(0) 348 #endif 349 350 #if !defined(__NetBSD__) 351 typedef struct drm_device *device_t; 352 #endif 353 354 extern struct cfdriver drm_cd; 355 356 #endif /* !__FreeBSD__ */ 357 358 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 359 #ifndef PCIY_AGP 360 #define PCIY_AGP 0x02 361 #endif 362 363 #ifndef PCIY_EXPRESS 364 #define PCIY_EXPRESS 0x10 365 #endif 366 367 typedef unsigned long dma_addr_t; 368 typedef u_int64_t u64; 369 typedef u_int32_t u32; 370 typedef u_int16_t u16; 371 typedef u_int8_t u8; 372 373 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 374 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 375 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 376 */ 377 378 /* XXX TODO: change to bus_space_barrier(9), as certain architectures 379 might need them--not to mention that MD cruft is ugly. I just 380 didn't feel like writing the macros right now. The use of mb(9) 381 below should be enough for x86, perhaps others. */ 382 383 #if defined(__NetBSD__) 384 #define DRM_READMEMORYBARRIER() membar_consumer() 385 #define DRM_WRITEMEMORYBARRIER() membar_producer() 386 #define DRM_MEMORYBARRIER() membar_sync() 387 #elif defined(__i386__) 388 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 389 "lock; addl $0,0(%%esp)" : : : "memory"); 390 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 391 #define DRM_MEMORYBARRIER() __asm __volatile( \ 392 "lock; addl $0,0(%%esp)" : : : "memory"); 393 #elif defined(__alpha__) 394 #define DRM_READMEMORYBARRIER() alpha_mb(); 395 #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 396 #define DRM_MEMORYBARRIER() alpha_mb(); 397 #elif defined(__amd64__) 398 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 399 "lock; addl $0,0(%%rsp)" : : : "memory"); 400 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 401 #define DRM_MEMORYBARRIER() __asm __volatile( \ 402 "lock; addl $0,0(%%rsp)" : : : "memory"); 403 #endif 404 405 #define DRM_READ8(map, offset) \ 406 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) 407 #define DRM_READ16(map, offset) \ 408 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 409 #define DRM_READ32(map, offset) \ 410 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 411 #define DRM_WRITE8(map, offset, val) \ 412 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 413 #define DRM_WRITE16(map, offset, val) \ 414 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 415 #define DRM_WRITE32(map, offset, val) \ 416 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 417 418 #ifdef __FreeBSD__ 419 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 420 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 421 #else 422 typedef vaddr_t vm_offset_t; 423 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 424 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 425 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 426 #endif 427 428 #define DRM_COPY_TO_USER(user, kern, size) \ 429 copyout(kern, user, size) 430 #define DRM_COPY_FROM_USER(kern, user, size) \ 431 copyin(user, kern, size) 432 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 433 copyin(arg2, arg1, arg3) 434 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 435 copyout(arg2, arg1, arg3) 436 #if __FreeBSD_version > 500000 437 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 438 ((val) = fuword32(uaddr), 0) 439 #else 440 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 441 ((val) = fuword(uaddr), 0) 442 #endif 443 444 #define cpu_to_le32(x) htole32(x) 445 #define le32_to_cpu(x) le32toh(x) 446 447 #define DRM_HZ hz 448 #define DRM_UDELAY(udelay) DELAY(udelay) 449 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 450 451 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 452 (_map) = (_dev)->context_sareas[_ctx]; \ 453 } while(0) 454 455 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 456 do { \ 457 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 458 dev->lock.file_priv != file_priv) { \ 459 DRM_ERROR("%s called without lock held\n", \ 460 __FUNCTION__); \ 461 return EINVAL; \ 462 } \ 463 } while (0) 464 465 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 466 /* Returns -errno to shared code */ 467 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 468 for ( ret = 0 ; !ret && !(condition) ; ) { \ 469 DRM_UNLOCK(); \ 470 mtx_lock(&dev->irq_lock); \ 471 if (!(condition)) \ 472 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 473 PZERO | PCATCH, "drmwtq", (timeout)); \ 474 mtx_unlock(&dev->irq_lock); \ 475 DRM_LOCK(); \ 476 } 477 #elif defined(__NetBSD__) 478 /* Returns -errno to shared code */ 479 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 480 for ( ret = 0 ; !ret && !(condition) ; ) { \ 481 DRM_UNLOCK(); \ 482 mutex_enter(&dev->irq_lock); \ 483 if (!(condition)) \ 484 ret = -mtsleep(&(queue), PZERO | PCATCH, \ 485 "drmwtq", (timeout), &dev->irq_lock); \ 486 mutex_exit(&dev->irq_lock); \ 487 DRM_LOCK(); \ 488 } 489 #else 490 /* Returns -errno to shared code */ 491 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 492 for ( ret = 0 ; !ret && !(condition) ; ) { \ 493 int s = spldrm(); \ 494 if (!(condition)) \ 495 ret = -tsleep( &(queue), PZERO | PCATCH, \ 496 "drmwtq", (timeout) ); \ 497 splx(s); \ 498 } 499 #endif 500 501 #define DRM_ERROR(fmt, arg...) \ 502 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 503 DRM_CURRENTPID, __func__ , ## arg) 504 505 #define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) 506 507 #define DRM_DEBUG(fmt, arg...) do { \ 508 if (drm_debug_flag) \ 509 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 510 __func__ , ## arg); \ 511 } while (0) 512 513 typedef struct drm_pci_id_list 514 { 515 int vendor; 516 int device; 517 long driver_private; 518 const char *name; 519 } drm_pci_id_list_t; 520 521 #define DRM_AUTH 0x1 522 #define DRM_MASTER 0x2 523 #define DRM_ROOT_ONLY 0x4 524 typedef struct drm_ioctl_desc { 525 unsigned long cmd; 526 int (*func)(struct drm_device *dev, void *data, 527 struct drm_file *file_priv); 528 int flags; 529 } drm_ioctl_desc_t; 530 /** 531 * Creates a driver or general drm_ioctl_desc array entry for the given 532 * ioctl, for use by drm_ioctl(). 533 */ 534 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 535 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 536 537 typedef struct drm_magic_entry { 538 drm_magic_t magic; 539 struct drm_file *priv; 540 struct drm_magic_entry *next; 541 } drm_magic_entry_t; 542 543 typedef struct drm_magic_head { 544 struct drm_magic_entry *head; 545 struct drm_magic_entry *tail; 546 } drm_magic_head_t; 547 548 typedef struct drm_buf { 549 int idx; /* Index into master buflist */ 550 int total; /* Buffer size */ 551 int order; /* log-base-2(total) */ 552 int used; /* Amount of buffer in use (for DMA) */ 553 unsigned long offset; /* Byte offset (used internally) */ 554 void *address; /* Address of buffer */ 555 unsigned long bus_address; /* Bus address of buffer */ 556 struct drm_buf *next; /* Kernel-only: used for free list */ 557 __volatile__ int pending; /* On hardware DMA queue */ 558 struct drm_file *file_priv; /* Unique identifier of holding process */ 559 int context; /* Kernel queue for this buffer */ 560 enum { 561 DRM_LIST_NONE = 0, 562 DRM_LIST_FREE = 1, 563 DRM_LIST_WAIT = 2, 564 DRM_LIST_PEND = 3, 565 DRM_LIST_PRIO = 4, 566 DRM_LIST_RECLAIM = 5 567 } list; /* Which list we're on */ 568 569 int dev_priv_size; /* Size of buffer private stoarge */ 570 void *dev_private; /* Per-buffer private storage */ 571 } drm_buf_t; 572 573 typedef struct drm_freelist { 574 int initialized; /* Freelist in use */ 575 atomic_t count; /* Number of free buffers */ 576 drm_buf_t *next; /* End pointer */ 577 578 int low_mark; /* Low water mark */ 579 int high_mark; /* High water mark */ 580 } drm_freelist_t; 581 582 typedef struct drm_dma_handle { 583 void *vaddr; 584 bus_addr_t busaddr; 585 bus_dma_tag_t tag; 586 bus_dmamap_t map; 587 #if defined(__NetBSD__) 588 bus_dma_segment_t segs[1]; 589 size_t size; 590 #endif 591 } drm_dma_handle_t; 592 593 typedef struct drm_buf_entry { 594 int buf_size; 595 int buf_count; 596 drm_buf_t *buflist; 597 int seg_count; 598 drm_dma_handle_t **seglist; 599 int page_order; 600 601 drm_freelist_t freelist; 602 } drm_buf_entry_t; 603 604 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 605 struct drm_file { 606 TAILQ_ENTRY(drm_file) link; 607 int authenticated; 608 int master; 609 int minor; 610 pid_t pid; 611 uid_t uid; 612 int refs; 613 drm_magic_t magic; 614 unsigned long ioctl_count; 615 void *driver_priv; 616 }; 617 618 typedef struct drm_lock_data { 619 drm_hw_lock_t *hw_lock; /* Hardware lock */ 620 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 621 int lock_queue; /* Queue of blocked processes */ 622 unsigned long lock_time; /* Time of last lock in jiffies */ 623 } drm_lock_data_t; 624 625 /* This structure, in the struct drm_device, is always initialized while the 626 * device 627 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 628 * when set marks that no further bufs may be allocated until device teardown 629 * occurs (when the last open of the device has closed). The high/low 630 * watermarks of bufs are only touched by the X Server, and thus not 631 * concurrently accessed, so no locking is needed. 632 */ 633 typedef struct drm_device_dma { 634 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 635 int buf_count; 636 drm_buf_t **buflist; /* Vector of pointers info bufs */ 637 int seg_count; 638 int page_count; 639 unsigned long *pagelist; 640 unsigned long byte_count; 641 enum { 642 _DRM_DMA_USE_AGP = 0x01, 643 _DRM_DMA_USE_SG = 0x02 644 } flags; 645 } drm_device_dma_t; 646 647 typedef struct drm_agp_mem { 648 void *handle; 649 unsigned long bound; /* address */ 650 int pages; 651 struct drm_agp_mem *prev; 652 struct drm_agp_mem *next; 653 } drm_agp_mem_t; 654 655 typedef struct drm_agp_head { 656 #ifdef __NetBSD__ 657 void *agpdev; 658 #else 659 device_t agpdev; 660 #endif 661 struct agp_info info; 662 const char *chipset; 663 drm_agp_mem_t *memory; 664 unsigned long mode; 665 int enabled; 666 int acquired; 667 unsigned long base; 668 int mtrr; 669 int cant_use_aperture; 670 unsigned long page_mask; 671 } drm_agp_head_t; 672 673 typedef struct drm_sg_mem { 674 unsigned long handle; 675 void *virtual; 676 int pages; 677 dma_addr_t *busaddr; 678 drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ 679 } drm_sg_mem_t; 680 681 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 682 683 typedef struct drm_local_map { 684 unsigned long offset; /* Physical address (0 for SAREA)*/ 685 unsigned long size; /* Physical size (bytes) */ 686 drm_map_type_t type; /* Type of memory mapped */ 687 drm_map_flags_t flags; /* Flags */ 688 void *handle; /* User-space: "Handle" to pass to mmap */ 689 /* Kernel-space: kernel-virtual address */ 690 int mtrr; /* Boolean: MTRR used */ 691 /* Private data */ 692 int rid; /* PCI resource ID for bus_space */ 693 #ifdef __FreeBSD__ 694 struct resource *bsr; 695 #endif 696 bus_space_tag_t bst; 697 bus_space_handle_t bsh; 698 drm_dma_handle_t *dmah; 699 #ifdef __NetBSD__ 700 int *cnt; 701 bus_size_t mapsize; 702 #endif 703 TAILQ_ENTRY(drm_local_map) link; 704 } drm_local_map_t; 705 706 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 707 typedef struct drm_vbl_sig { 708 TAILQ_ENTRY(drm_vbl_sig) link; 709 unsigned int sequence; 710 int signo; 711 int pid; 712 } drm_vbl_sig_t; 713 714 /* location of GART table */ 715 #define DRM_ATI_GART_MAIN 1 716 #define DRM_ATI_GART_FB 2 717 718 #define DRM_ATI_GART_PCI 1 719 #define DRM_ATI_GART_PCIE 2 720 #define DRM_ATI_GART_IGP 3 721 722 struct drm_ati_pcigart_info { 723 int gart_table_location; 724 int gart_reg_if; 725 void *addr; 726 dma_addr_t bus_addr; 727 dma_addr_t table_mask; 728 dma_addr_t member_mask; 729 struct drm_dma_handle *table_handle; 730 drm_local_map_t mapping; 731 int table_size; 732 }; 733 734 #ifndef DMA_BIT_MASK 735 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 736 #endif 737 738 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 739 740 struct drm_driver_info { 741 int (*load)(struct drm_device *, unsigned long flags); 742 int (*firstopen)(struct drm_device *); 743 int (*open)(struct drm_device *, drm_file_t *); 744 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 745 void (*postclose)(struct drm_device *, drm_file_t *); 746 void (*lastclose)(struct drm_device *); 747 int (*unload)(struct drm_device *); 748 void (*reclaim_buffers_locked)(struct drm_device *, 749 struct drm_file *file_priv); 750 int (*dma_ioctl)(struct drm_device *dev, void *data, 751 struct drm_file *file_priv); 752 void (*dma_ready)(struct drm_device *); 753 int (*dma_quiescent)(struct drm_device *); 754 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 755 drm_lock_flags_t flags); 756 int (*dma_flush_unblock)(struct drm_device *, int context, 757 drm_lock_flags_t flags); 758 int (*context_ctor)(struct drm_device *dev, int context); 759 int (*context_dtor)(struct drm_device *dev, int context); 760 int (*kernel_context_switch)(struct drm_device *dev, int old, 761 int new); 762 int (*kernel_context_switch_unlock)(struct drm_device *dev); 763 void (*irq_preinstall)(struct drm_device *dev); 764 int (*irq_postinstall)(struct drm_device *dev); 765 void (*irq_uninstall)(struct drm_device *dev); 766 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 767 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 768 int (*enable_vblank)(struct drm_device *dev, int crtc); 769 void (*disable_vblank)(struct drm_device *dev, int crtc); 770 771 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 772 773 /** 774 * Called by \c drm_device_is_agp. Typically used to determine if a 775 * card is really attached to AGP or not. 776 * 777 * \param dev DRM device handle 778 * 779 * \returns 780 * One of three values is returned depending on whether or not the 781 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 782 * (return of 1), or may or may not be AGP (return of 2). 783 */ 784 int (*device_is_agp) (struct drm_device * dev); 785 786 drm_ioctl_desc_t *ioctls; 787 int max_ioctl; 788 789 int buf_priv_size; 790 791 int major; 792 int minor; 793 int patchlevel; 794 const char *name; /* Simple driver name */ 795 const char *desc; /* Longer driver name */ 796 const char *date; /* Date of last major changes. */ 797 798 unsigned use_agp :1; 799 unsigned require_agp :1; 800 unsigned use_sg :1; 801 unsigned use_dma :1; 802 unsigned use_pci_dma :1; 803 unsigned use_dma_queue :1; 804 unsigned use_irq :1; 805 unsigned use_vbl_irq :1; 806 unsigned use_vbl_irq2 :1; 807 unsigned use_mtrr :1; 808 }; 809 810 /* Length for the array of resource pointers for drm_get_resource_*. */ 811 #define DRM_MAX_PCI_RESOURCE 3 812 813 #if defined(__NetBSD__) || defined(__OpenBSD__) 814 typedef struct { 815 int mapped; 816 int maptype; 817 bus_addr_t base; 818 bus_size_t size; 819 bus_space_handle_t bsh; 820 int flags; 821 void * vaddr; 822 } pci_map_data_t; 823 #endif 824 825 /** 826 * DRM device functions structure 827 */ 828 struct drm_device { 829 #if defined(__NetBSD__) || defined(__OpenBSD__) 830 struct device device; /* softc is an extension of struct device */ 831 #endif 832 833 struct drm_driver_info driver; 834 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 835 836 u_int16_t pci_device; /* PCI device id */ 837 u_int16_t pci_vendor; /* PCI vendor id */ 838 839 char *unique; /* Unique identifier: e.g., busid */ 840 int unique_len; /* Length of unique field */ 841 #ifdef __FreeBSD__ 842 device_t device; /* Device instance from newbus */ 843 struct cdev *devnode; /* Device number for mknod */ 844 #endif 845 int if_version; /* Highest interface version set */ 846 847 int flags; /* Flags to open(2) */ 848 849 /* Locks */ 850 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 851 struct mtx vbl_lock; /* protects vblank operations */ 852 struct mtx dma_lock; /* protects dev->dma */ 853 struct mtx irq_lock; /* protects irq condition checks */ 854 struct mtx dev_lock; /* protects everything else */ 855 #elif defined(__NetBSD__) 856 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 857 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 858 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 859 DRM_SPINTYPE dev_lock; /* protects everything else */ 860 #endif 861 DRM_SPINTYPE drw_lock; 862 DRM_SPINTYPE tsk_lock; 863 864 /* Usage Counters */ 865 int open_count; /* Outstanding files open */ 866 int buf_use; /* Buffers in use -- cannot alloc */ 867 868 /* Performance counters */ 869 unsigned long counters; 870 drm_stat_type_t types[15]; 871 atomic_t counts[15]; 872 873 /* Authentication */ 874 drm_file_list_t files; 875 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 876 877 /* Linked list of mappable regions. Protected by dev_lock */ 878 drm_map_list_t maplist; 879 880 drm_local_map_t **context_sareas; 881 int max_context; 882 883 drm_lock_data_t lock; /* Information on hardware lock */ 884 885 /* DMA queues (contexts) */ 886 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 887 888 /* Context support */ 889 int irq; /* Interrupt used by board */ 890 int irq_enabled; /* True if the irq handler is enabled */ 891 #ifdef __FreeBSD__ 892 int irqrid; /* Interrupt used by board */ 893 struct resource *irqr; /* Resource for interrupt used by board */ 894 895 /* Storage of resource pointers for drm_get_resource_* */ 896 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 897 int pcirid[DRM_MAX_PCI_RESOURCE]; 898 899 #elif defined(__NetBSD__) || defined(__OpenBSD__) 900 struct pci_attach_args pa; 901 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 902 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 903 int unit; /* drm unit number */ 904 DRM_CDEV kdev; 905 #endif 906 void *irqh; /* Handle from bus_setup_intr */ 907 908 int pci_domain; 909 int pci_bus; 910 int pci_slot; 911 int pci_func; 912 913 atomic_t context_flag; /* Context swapping flag */ 914 int last_context; /* Last current context */ 915 int vblank_disable_allowed; 916 wait_queue_head_t *vbl_queue; /* vblank wait queue */ 917 atomic_t *_vblank_count; /* number of VBLANK interrupts */ 918 /* (driver must alloc the right number of counters) */ 919 struct drm_vbl_sig_list *vbl_sigs; /* signal list to send on VBLANK */ 920 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/ 921 atomic_t *vblank_refcount; /* number of users of vblank interrupts per crtc */ 922 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 923 /* for wraparound handling */ 924 int *vblank_enabled; /* so we don't call enable more than */ 925 /* once per disable */ 926 int *vblank_inmodeset; /* Display driver is setting mode */ 927 struct callout vblank_disable_timer; 928 u32 max_vblank_count; /* size of vblank counter register */ 929 int num_crtcs; 930 931 #ifdef __FreeBSD__ 932 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 933 #elif defined(__NetBSD__) 934 pid_t buf_pgid; 935 #endif 936 937 /* Sysctl support */ 938 struct drm_sysctl_info *sysctl; 939 940 drm_agp_head_t *agp; 941 drm_sg_mem_t *sg; /* Scatter gather memory */ 942 atomic_t *ctx_bitmap; 943 void *dev_private; 944 unsigned int agp_buffer_token; 945 drm_local_map_t *agp_buffer_map; 946 947 #ifdef __FreeBSD__ 948 struct unrhdr *drw_unrhdr; 949 #else 950 int drw_no; 951 #endif 952 /* RB tree of drawable infos */ 953 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 954 955 #ifdef __FreeBSD__ 956 struct task locked_task; 957 #endif 958 #ifdef __NetBSD__ 959 struct workqueue *locked_task; 960 #endif 961 void (*locked_task_call)(struct drm_device *dev); 962 }; 963 964 extern int drm_debug_flag; 965 966 /* Device setup support (drm_drv.c) */ 967 #ifdef __FreeBSD__ 968 int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); 969 int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 970 int drm_detach(device_t nbdev); 971 d_ioctl_t drm_ioctl; 972 d_open_t drm_open; 973 d_close_t drm_close; 974 d_read_t drm_read; 975 d_poll_t drm_poll; 976 d_mmap_t drm_mmap; 977 #elif defined(__NetBSD__) || defined(__OpenBSD__) 978 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 979 void drm_attach(struct device *kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 980 #if defined(__NetBSD__) 981 int drm_detach(struct device *self, int flags); 982 int drm_activate(struct device *self, enum devact act); 983 #endif 984 dev_type_ioctl(drm_ioctl); 985 dev_type_open(drm_open); 986 dev_type_close(drm_close); 987 dev_type_read(drm_read); 988 dev_type_poll(drm_poll); 989 dev_type_mmap(drm_mmap); 990 #endif 991 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 992 993 int drm_close_pid(drm_device_t *dev, drm_file_t *priv, pid_t pid); 994 995 /* File operations helpers (drm_fops.c) */ 996 #ifdef __FreeBSD__ 997 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 998 DRM_STRUCTPROC *p, 999 struct drm_device *dev); 1000 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1001 DRM_STRUCTPROC *p); 1002 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1003 extern int drm_open_helper(DRM_CDEV kdev, int flags, int fmt, 1004 DRM_STRUCTPROC *p, drm_device_t *dev); 1005 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1006 DRM_STRUCTPROC *p); 1007 #endif /* __NetBSD__ || __OpenBSD__ */ 1008 1009 /* Memory management support (drm_memory.c) */ 1010 void drm_mem_init(void); 1011 void drm_mem_uninit(void); 1012 void *drm_alloc(size_t size, int area); 1013 void *drm_calloc(size_t nmemb, size_t size, int area); 1014 void *drm_realloc(void *oldpt, size_t oldsize, size_t size, 1015 int area); 1016 void drm_free(void *pt, size_t size, int area); 1017 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1018 void drm_ioremapfree(drm_local_map_t *map); 1019 #ifdef __FreeBSD__ 1020 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1021 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1022 #else 1023 #ifndef DRM_NO_MTRR 1024 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1025 int drm_mtrr_del(unsigned long offset, size_t size, int flags); 1026 #endif 1027 #endif /* !__FreeBSD__ */ 1028 1029 int drm_context_switch(struct drm_device *dev, int old, int new); 1030 int drm_context_switch_complete(struct drm_device *dev, int new); 1031 1032 int drm_ctxbitmap_init(struct drm_device *dev); 1033 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1034 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1035 int drm_ctxbitmap_next(struct drm_device *dev); 1036 1037 /* Locking IOCTL support (drm_lock.c) */ 1038 int drm_lock_take(__volatile__ unsigned int *lock, 1039 unsigned int context); 1040 int drm_lock_transfer(struct drm_device *dev, 1041 __volatile__ unsigned int *lock, 1042 unsigned int context); 1043 int drm_lock_free(struct drm_device *dev, 1044 __volatile__ unsigned int *lock, 1045 unsigned int context); 1046 1047 /* Buffer management support (drm_bufs.c) */ 1048 unsigned long drm_get_resource_start(struct drm_device *dev, 1049 unsigned int resource); 1050 unsigned long drm_get_resource_len(struct drm_device *dev, 1051 unsigned int resource); 1052 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1053 int drm_order(unsigned long size); 1054 int drm_addmap(struct drm_device *dev, unsigned long offset, 1055 unsigned long size, 1056 drm_map_type_t type, drm_map_flags_t flags, 1057 drm_local_map_t **map_ptr); 1058 int drm_addbufs_pci(struct drm_device *dev, drm_buf_desc_t *request); 1059 int drm_addbufs_sg(struct drm_device *dev, drm_buf_desc_t *request); 1060 int drm_addbufs_agp(struct drm_device *dev, drm_buf_desc_t *request); 1061 1062 /* DMA support (drm_dma.c) */ 1063 int drm_dma_setup(struct drm_device *dev); 1064 void drm_dma_takedown(struct drm_device *dev); 1065 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1066 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1067 #define drm_core_reclaim_buffers drm_reclaim_buffers 1068 1069 /* IRQ support (drm_irq.c) */ 1070 int drm_irq_install(struct drm_device *dev); 1071 int drm_irq_uninstall(struct drm_device *dev); 1072 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1073 void drm_driver_irq_preinstall(struct drm_device *dev); 1074 void drm_driver_irq_postinstall(struct drm_device *dev); 1075 void drm_driver_irq_uninstall(struct drm_device *dev); 1076 void drm_handle_vblank(struct drm_device *dev, int crtc); 1077 u32 drm_vblank_count(struct drm_device *dev, int crtc); 1078 int drm_vblank_get(struct drm_device *dev, int crtc); 1079 void drm_vblank_put(struct drm_device *dev, int crtc); 1080 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1081 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1082 void drm_vbl_send_signals(struct drm_device *dev, int crtc); 1083 int drm_modeset_ctl(struct drm_device *dev, void *data, 1084 struct drm_file *file_priv); 1085 1086 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1087 int drm_device_is_agp(struct drm_device *dev); 1088 int drm_device_is_pcie(struct drm_device *dev); 1089 #ifdef __NetBSD__ 1090 drm_agp_head_t *drm_agp_init(drm_device_t *dev); 1091 #else 1092 drm_agp_head_t *drm_agp_init(void); 1093 #endif 1094 int drm_agp_acquire(struct drm_device *dev); 1095 int drm_agp_release(struct drm_device *dev); 1096 int drm_agp_info(struct drm_device * dev, drm_agp_info_t *info); 1097 int drm_agp_enable(struct drm_device *dev, drm_agp_mode_t mode); 1098 void *drm_agp_allocate_memory(size_t pages, u32 type); 1099 int drm_agp_free_memory(void *handle); 1100 int drm_agp_bind_memory(void *handle, off_t start); 1101 int drm_agp_unbind_memory(void *handle); 1102 int drm_agp_alloc(struct drm_device *dev, drm_agp_buffer_t *request); 1103 int drm_agp_free(struct drm_device *dev, drm_agp_buffer_t *request); 1104 int drm_agp_bind(struct drm_device *dev, drm_agp_binding_t *request); 1105 int drm_agp_unbind(struct drm_device *dev, drm_agp_binding_t *request); 1106 1107 /* Scatter Gather Support (drm_scatter.c) */ 1108 void drm_sg_cleanup(drm_sg_mem_t *entry); 1109 int drm_sg_alloc(struct drm_device *dev, drm_scatter_gather_t * request); 1110 1111 #if defined(__FreeBSD__) || defined(__NetBSD__) 1112 /* sysctl support (drm_sysctl.h) */ 1113 extern int drm_sysctl_init(struct drm_device *dev); 1114 extern int drm_sysctl_cleanup(struct drm_device *dev); 1115 #endif /* __FreeBSD__ */ 1116 1117 /* ATI PCIGART support (ati_pcigart.c) */ 1118 int drm_ati_pcigart_init(struct drm_device *dev, 1119 struct drm_ati_pcigart_info *gart_info); 1120 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1121 struct drm_ati_pcigart_info *gart_info); 1122 1123 /* Locking IOCTL support (drm_drv.c) */ 1124 int drm_lock(struct drm_device *dev, void *data, 1125 struct drm_file *file_priv); 1126 int drm_unlock(struct drm_device *dev, void *data, 1127 struct drm_file *file_priv); 1128 int drm_version(struct drm_device *dev, void *data, 1129 struct drm_file *file_priv); 1130 int drm_setversion(struct drm_device *dev, void *data, 1131 struct drm_file *file_priv); 1132 1133 /* Misc. IOCTL support (drm_ioctl.c) */ 1134 int drm_irq_by_busid(struct drm_device *dev, void *data, 1135 struct drm_file *file_priv); 1136 int drm_getunique(struct drm_device *dev, void *data, 1137 struct drm_file *file_priv); 1138 int drm_setunique(struct drm_device *dev, void *data, 1139 struct drm_file *file_priv); 1140 int drm_getmap(struct drm_device *dev, void *data, 1141 struct drm_file *file_priv); 1142 int drm_getclient(struct drm_device *dev, void *data, 1143 struct drm_file *file_priv); 1144 int drm_getstats(struct drm_device *dev, void *data, 1145 struct drm_file *file_priv); 1146 int drm_noop(struct drm_device *dev, void *data, 1147 struct drm_file *file_priv); 1148 1149 /* Context IOCTL support (drm_context.c) */ 1150 int drm_resctx(struct drm_device *dev, void *data, 1151 struct drm_file *file_priv); 1152 int drm_addctx(struct drm_device *dev, void *data, 1153 struct drm_file *file_priv); 1154 int drm_modctx(struct drm_device *dev, void *data, 1155 struct drm_file *file_priv); 1156 int drm_getctx(struct drm_device *dev, void *data, 1157 struct drm_file *file_priv); 1158 int drm_switchctx(struct drm_device *dev, void *data, 1159 struct drm_file *file_priv); 1160 int drm_newctx(struct drm_device *dev, void *data, 1161 struct drm_file *file_priv); 1162 int drm_rmctx(struct drm_device *dev, void *data, 1163 struct drm_file *file_priv); 1164 int drm_setsareactx(struct drm_device *dev, void *data, 1165 struct drm_file *file_priv); 1166 int drm_getsareactx(struct drm_device *dev, void *data, 1167 struct drm_file *file_priv); 1168 1169 /* Drawable IOCTL support (drm_drawable.c) */ 1170 int drm_adddraw(struct drm_device *dev, void *data, 1171 struct drm_file *file_priv); 1172 int drm_rmdraw(struct drm_device *dev, void *data, 1173 struct drm_file *file_priv); 1174 int drm_update_draw(struct drm_device *dev, void *data, 1175 struct drm_file *file_priv); 1176 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1177 int handle); 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_ioctl(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, struct drm_file *file_priv); 1206 int drm_wait_vblank(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208 void drm_locked_tasklet(struct drm_device *dev, 1209 void (*tasklet)(struct drm_device *dev)); 1210 1211 /* AGP/GART support (drm_agpsupport.c) */ 1212 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1215 struct drm_file *file_priv); 1216 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1219 struct drm_file *file_priv); 1220 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1221 struct drm_file *file_priv); 1222 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1223 struct drm_file *file_priv); 1224 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1225 struct drm_file *file_priv); 1226 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1227 struct drm_file *file_priv); 1228 1229 /* Scatter Gather Support (drm_scatter.c) */ 1230 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1231 struct drm_file *file_priv); 1232 int drm_sg_free(struct drm_device *dev, void *data, 1233 struct drm_file *file_priv); 1234 1235 /* consistent PCI memory functions (drm_pci.c) */ 1236 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1237 size_t align, dma_addr_t maxaddr); 1238 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1239 1240 #define drm_core_ioremap_wc drm_core_ioremap 1241 1242 /* Inline replacements for DRM_IOREMAP macros */ 1243 static __inline__ void 1244 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1245 { 1246 map->handle = drm_ioremap(dev, map); 1247 } 1248 static __inline__ void 1249 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1250 { 1251 if ( map->handle && map->size ) 1252 drm_ioremapfree(map); 1253 } 1254 1255 static __inline__ struct drm_local_map * 1256 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1257 { 1258 drm_local_map_t *map; 1259 1260 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1261 TAILQ_FOREACH(map, &dev->maplist, link) { 1262 if (map->offset == offset) 1263 return map; 1264 } 1265 return NULL; 1266 } 1267 1268 static __inline__ void drm_core_dropmap(struct drm_map *map) 1269 { 1270 } 1271 1272 #endif /* __KERNEL__ */ 1273 #endif /* _DRM_P_H_ */ 1274
Indexes created Thu Oct 02 14:10:14 GMT 2025