/* * $FreeBSD: src/sys/dev/drm/drm_os_freebsd.h,v 1.9 2003/04/25 01:18:46 anholt Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if __FreeBSD_version >= 500000 #include #else #include #endif #include #if __FreeBSD_version >= 400005 #include #endif #if __FreeBSD_version >= 500000 #include #endif #if __FreeBSD_version >= 400006 #define __REALLY_HAVE_AGP __HAVE_AGP #endif #ifdef __i386__ #define __REALLY_HAVE_MTRR (__HAVE_MTRR) && (__FreeBSD_version >= 500000) #else #define __REALLY_HAVE_MTRR 0 #endif #define __REALLY_HAVE_SG (__HAVE_SG) #if __REALLY_HAVE_AGP #include #include #endif #include #if DRM_DEBUG #undef DRM_DEBUG_CODE #define DRM_DEBUG_CODE 2 #endif #undef DRM_DEBUG #if DRM_LINUX #include #include #include #include #endif #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) #define DRM_DEV_UID 0 #define DRM_DEV_GID 0 #define CDEV_MAJOR 145 #if __FreeBSD_version >= 500000 #define DRM_CURPROC curthread #define DRM_STRUCTPROC struct thread #define DRM_SPINTYPE struct mtx #define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF) #define DRM_SPINUNINIT(l) mtx_destroy(&l) #define DRM_SPINLOCK(l) mtx_lock(l) #define DRM_SPINUNLOCK(u) mtx_unlock(u); #define DRM_CURRENTPID curthread->td_proc->p_pid #else #define DRM_CURPROC curproc #define DRM_STRUCTPROC struct proc #define DRM_SPINTYPE struct simplelock #define DRM_SPININIT(l,name) simple_lock_init(&l) #define DRM_SPINUNINIT(l) #define DRM_SPINLOCK(l) simple_lock(l) #define DRM_SPINUNLOCK(u) simple_unlock(u); #define DRM_CURRENTPID curproc->p_pid #endif /* Currently our DRMFILE (filp) is a void * which is actually the pid * of the current process. It should be a per-open unique pointer, but * code for that is not yet written */ #define DRMFILE void * #define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p, DRMFILE filp #define DRM_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, DRM_CURPROC) #define DRM_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, 0, DRM_CURPROC) #define DRM_SUSER(p) suser(p) #define DRM_TASKQUEUE_ARGS void *arg, int pending #define DRM_IRQ_ARGS void *arg #define DRM_DEVICE drm_device_t *dev = kdev->si_drv1 #define DRM_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT ) #define DRM_FREE(pt,size) free( pt, DRM(M_DRM) ) /* Read/write from bus space, with byteswapping to le if necessary */ #define DRM_READ8(map, offset) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) #define DRM_READ32(map, offset) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) #define DRM_WRITE8(map, offset, val) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val #define DRM_WRITE32(map, offset, val) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val /* #define DRM_READ8(map, offset) bus_space_read_1( (map)->iot, (map)->ioh, (offset) ) #define DRM_READ32(map, offset) bus_space_read_4( (map)->iot, (map)->ioh, (offset) ) #define DRM_WRITE8(map, offset, val) bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) ) #define DRM_WRITE32(map, offset, val) bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) ) */ #define DRM_AGP_FIND_DEVICE() agp_find_device() #define DRM_ERR(v) v #define DRM_PRIV \ drm_file_t *priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p); \ if (!priv) { \ DRM_DEBUG("can't find authenticator\n"); \ return EINVAL; \ } #define LOCK_TEST_WITH_RETURN(dev, filp) \ do { \ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ dev->lock.filp != filp) { \ DRM_ERROR("%s called without lock held\n", \ __FUNCTION__); \ return EINVAL; \ } \ } while (0) #define DRM_UDELAY( udelay ) \ do { \ struct timeval tv1, tv2; \ microtime(&tv1); \ do { \ microtime(&tv2); \ } \ while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \ } while (0) #define DRM_GETSAREA() \ do { \ drm_map_list_entry_t *listentry; \ TAILQ_FOREACH(listentry, dev->maplist, link) { \ drm_local_map_t *map = listentry->map; \ if (map->type == _DRM_SHM && \ map->flags & _DRM_CONTAINS_LOCK) { \ dev_priv->sarea = map; \ break; \ } \ } \ } while (0) #define DRM_HZ hz #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ while (!condition) { \ ret = tsleep( &(queue), PZERO | PCATCH, "drmwtq", (timeout) ); \ if ( ret ) \ return ret; \ } #define DRM_WAKEUP( queue ) wakeup( queue ) #define DRM_WAKEUP_INT( queue ) wakeup( queue ) #define DRM_INIT_WAITQUEUE( queue ) do {} while (0) #define DRM_COPY_TO_USER_IOCTL(user, kern, size) \ if ( IOCPARM_LEN(cmd) != size) \ return EINVAL; \ *user = kern; #define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \ if ( IOCPARM_LEN(cmd) != size) \ return EINVAL; \ kern = *user; #define DRM_COPY_TO_USER(user, kern, size) \ copyout(kern, user, size) #define DRM_COPY_FROM_USER(kern, user, size) \ copyin(user, kern, size) /* Macros for userspace access with checking readability once */ /* FIXME: can't find equivalent functionality for nocheck yet. * It'll be slower than linux, but should be correct. */ #define DRM_VERIFYAREA_READ( uaddr, size ) \ (!useracc((caddr_t)uaddr, size, VM_PROT_READ)) #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ copyin(arg2, arg1, arg3) #define DRM_GET_USER_UNCHECKED(val, uaddr) \ ((val) = fuword(uaddr), 0) /* DRM_READMEMORYBARRIER() prevents reordering of reads. * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. * DRM_MEMORYBARRIER() prevents reordering of reads and writes. */ #if defined(__i386__) #define DRM_READMEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%esp)" : : : "memory"); #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); #define DRM_MEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%esp)" : : : "memory"); #elif defined(__alpha__) #define DRM_READMEMORYBARRIER() alpha_mb(); #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); #define DRM_MEMORYBARRIER() alpha_mb(); #endif #define PAGE_ALIGN(addr) round_page(addr) #ifndef M_WAITOK /* M_WAITOK (=0) name removed in -current */ #define M_WAITOK 0 #endif #define malloctype DRM(M_DRM) /* The macros conflicted in the MALLOC_DEFINE */ MALLOC_DECLARE(malloctype); #undef malloctype typedef struct drm_chipinfo { int vendor; int device; int supported; char *name; } drm_chipinfo_t; #define cpu_to_le32(x) htole32(x) #define le32_to_cpu(x) le32toh(x) typedef unsigned long dma_addr_t; typedef u_int32_t atomic_t; typedef u_int32_t u32; typedef u_int16_t u16; typedef u_int8_t u8; #define atomic_set(p, v) (*(p) = (v)) #define atomic_read(p) (*(p)) #define atomic_inc(p) atomic_add_int(p, 1) #define atomic_dec(p) atomic_subtract_int(p, 1) #define atomic_add(n, p) atomic_add_int(p, n) #define atomic_sub(n, p) atomic_subtract_int(p, n) /* Fake this */ #if __FreeBSD_version < 500000 /* The extra atomic functions from 5.0 haven't been merged to 4.x */ static __inline int atomic_cmpset_int(volatile u_int *dst, u_int exp, u_int src) { int res = exp; __asm __volatile ( " lock ; " " cmpxchgl %1,%2 ; " " setz %%al ; " " movzbl %%al,%0 ; " "1: " "# atomic_cmpset_int" : "+a" (res) /* 0 (result) */ : "r" (src), /* 1 */ "m" (*(dst)) /* 2 */ : "memory"); return (res); } #endif static __inline atomic_t test_and_set_bit(int b, volatile void *p) { int s = splhigh(); unsigned int m = 1<> 5), 1 << (b & 0x1f)); } static __inline void set_bit(int b, volatile void *p) { atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f)); } static __inline int test_bit(int b, volatile void *p) { return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f)); } static __inline int find_first_zero_bit(volatile void *p, int max) { int b; for (b = 0; b < max; b += 32) { if (((volatile int *)p)[b >> 5] != ~0) { for (;;) { if ((((volatile int *)p)[b >> 5] & (1 << (b & 0x1f))) == 0) return b; b++; } } } return max; } #define spldrm() spltty() #define memset(p, v, s) bzero(p, s) /* * Fake out the module macros for versions of FreeBSD where they don't * exist. */ #if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000 #define MODULE_VERSION(a,b) struct __hack #define MODULE_DEPEND(a,b,c,d,e) struct __hack #endif /* Redefinitions to make templating easy */ #define wait_queue_head_t atomic_t #define agp_memory void #define jiffies ticks /* Macros to make printf easier */ #define DRM_ERROR(fmt, arg...) \ printf("error: " "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ## arg) #define DRM_MEM_ERROR(area, fmt, arg...) \ printf("error: " "[" DRM_NAME ":%s:%s] *ERROR* " fmt , \ __func__, DRM(mem_stats)[area].name , ##arg) #define DRM_INFO(fmt, arg...) printf("info: " "[" DRM_NAME "] " fmt , ## arg) #if DRM_DEBUG_CODE #define DRM_DEBUG(fmt, arg...) \ do { \ if (DRM(flags) & DRM_FLAG_DEBUG) \ printf("[" DRM_NAME ":%s] " fmt , __func__ , ## arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while (0) #endif #if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002)) #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) #else #define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS #endif #define DRM_SYSCTL_PRINT(fmt, arg...) \ do { \ snprintf(buf, sizeof(buf), fmt, ##arg); \ error = SYSCTL_OUT(req, buf, strlen(buf)); \ if (error) return error; \ } while (0) #define DRM_FIND_MAP(dest, o) \ do { \ drm_map_list_entry_t *listentry; \ TAILQ_FOREACH(listentry, dev->maplist, link) { \ if ( listentry->map->offset == o ) { \ dest = listentry->map; \ break; \ } \ } \ } while (0) /* Internal functions */ /* drm_drv.h */ extern d_ioctl_t DRM(ioctl); extern d_open_t DRM(open); extern d_close_t DRM(close); extern d_read_t DRM(read); extern d_poll_t DRM(poll); extern d_mmap_t DRM(mmap); extern int DRM(open_helper)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p, drm_device_t *dev); extern drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_STRUCTPROC *p); /* sysctl support (drm_sysctl.h) */ extern int DRM(sysctl_init)(drm_device_t *dev); extern int DRM(sysctl_cleanup)(drm_device_t *dev); /* Memory info sysctl (drm_memory_debug.h) */ #ifdef DEBUG_MEMORY extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS; #endif 4' href='#n274'>274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735