1 /** 2 * \file drm_os_freebsd.h 3 * OS abstraction macros. 4 */ 5 6 #include <sys/cdefs.h> 7 __FBSDID("$FreeBSD$"); 8 9 #ifndef _DRM_OS_FREEBSD_H_ 10 #define _DRM_OS_FREEBSD_H_ 11 12 #include <sys/fbio.h> 13 #include <sys/smp.h> 14 15 #if _BYTE_ORDER == _BIG_ENDIAN 16 #define __BIG_ENDIAN 4321 17 #else 18 #define __LITTLE_ENDIAN 1234 19 #endif 20 21 #ifdef __LP64__ 22 #define BITS_PER_LONG 64 23 #else 24 #define BITS_PER_LONG 32 25 #endif 26 27 #ifndef __user 28 #define __user 29 #endif 30 #ifndef __iomem 31 #define __iomem 32 #endif 33 #ifndef __always_unused 34 #define __always_unused 35 #endif 36 #ifndef __must_check 37 #define __must_check 38 #endif 39 #ifndef __force 40 #define __force 41 #endif 42 #ifndef uninitialized_var 43 #define uninitialized_var(x) x 44 #endif 45 46 #define cpu_to_le16(x) htole16(x) 47 #define le16_to_cpu(x) le16toh(x) 48 #define cpu_to_le32(x) htole32(x) 49 #define le32_to_cpu(x) le32toh(x) 50 51 #define cpu_to_be16(x) htobe16(x) 52 #define be16_to_cpu(x) be16toh(x) 53 #define cpu_to_be32(x) htobe32(x) 54 #define be32_to_cpu(x) be32toh(x) 55 #define be32_to_cpup(x) be32toh(*x) 56 57 typedef vm_paddr_t dma_addr_t; 58 typedef vm_paddr_t resource_size_t; 59 #define wait_queue_head_t atomic_t 60 61 typedef uint64_t u64; 62 typedef uint32_t u32; 63 typedef uint16_t u16; 64 typedef uint8_t u8; 65 typedef int64_t s64; 66 typedef int32_t s32; 67 typedef int16_t s16; 68 typedef int8_t s8; 69 typedef uint16_t __le16; 70 typedef uint32_t __le32; 71 typedef uint64_t __le64; 72 typedef uint16_t __be16; 73 typedef uint32_t __be32; 74 typedef uint64_t __be64; 75 76 #define DRM_IRQ_ARGS void *arg 77 typedef void irqreturn_t; 78 #define IRQ_HANDLED /* nothing */ 79 #define IRQ_NONE /* nothing */ 80 81 #define __init 82 #define __exit 83 #define __read_mostly 84 85 #define BUILD_BUG_ON(x) CTASSERT(!(x)) 86 #define BUILD_BUG_ON_NOT_POWER_OF_2(x) 87 88 #ifndef WARN 89 #define WARN(condition, format, ...) ({ \ 90 int __ret_warn_on = !!(condition); \ 91 if (unlikely(__ret_warn_on)) \ 92 DRM_ERROR(format, ##__VA_ARGS__); \ 93 unlikely(__ret_warn_on); \ 94 }) 95 #endif 96 #define WARN_ONCE(condition, format, ...) \ 97 WARN(condition, format, ##__VA_ARGS__) 98 #define WARN_ON(cond) WARN(cond, "WARN ON: " #cond) 99 #define WARN_ON_SMP(cond) WARN_ON(cond) 100 #define BUG() panic("BUG") 101 #define BUG_ON(cond) KASSERT(!(cond), ("BUG ON: " #cond " -> 0x%jx", (uintmax_t)(cond))) 102 #define unlikely(x) __builtin_expect(!!(x), 0) 103 #define likely(x) __builtin_expect(!!(x), 1) 104 #define container_of(ptr, type, member) ({ \ 105 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 106 (type *)( (char *)__mptr - offsetof(type,member) );}) 107 108 #define KHZ2PICOS(a) (1000000000UL/(a)) 109 110 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 111 112 #define HZ hz 113 #define DRM_HZ hz 114 #define DRM_CURRENTPID curthread->td_proc->p_pid 115 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 116 #define udelay(usecs) DELAY(usecs) 117 #define mdelay(msecs) do { int loops = (msecs); \ 118 while (loops--) DELAY(1000); \ 119 } while (0) 120 #define DRM_UDELAY(udelay) DELAY(udelay) 121 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 122 #define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep") 123 #define get_seconds() time_second 124 125 #define ioread8(addr) *(volatile uint8_t *)((char *)addr) 126 #define ioread16(addr) *(volatile uint16_t *)((char *)addr) 127 #define ioread32(addr) *(volatile uint32_t *)((char *)addr) 128 129 #define iowrite8(data, addr) *(volatile uint8_t *)((char *)addr) = data; 130 #define iowrite16(data, addr) *(volatile uint16_t *)((char *)addr) = data; 131 #define iowrite32(data, addr) *(volatile uint32_t *)((char *)addr) = data; 132 133 #define DRM_READ8(map, offset) \ 134 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 135 (vm_offset_t)(offset)) 136 #define DRM_READ16(map, offset) \ 137 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 138 (vm_offset_t)(offset))) 139 #define DRM_READ32(map, offset) \ 140 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 141 (vm_offset_t)(offset))) 142 #define DRM_READ64(map, offset) \ 143 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 144 (vm_offset_t)(offset))) 145 #define DRM_WRITE8(map, offset, val) \ 146 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 147 (vm_offset_t)(offset)) = val 148 #define DRM_WRITE16(map, offset, val) \ 149 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 150 (vm_offset_t)(offset)) = htole16(val) 151 #define DRM_WRITE32(map, offset, val) \ 152 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 153 (vm_offset_t)(offset)) = htole32(val) 154 #define DRM_WRITE64(map, offset, val) \ 155 *(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 156 (vm_offset_t)(offset)) = htole64(val) 157 158 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 159 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 160 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 161 */ 162 #define DRM_READMEMORYBARRIER() rmb() 163 #define DRM_WRITEMEMORYBARRIER() wmb() 164 #define DRM_MEMORYBARRIER() mb() 165 #define smp_rmb() rmb() 166 #define smp_wmb() wmb() 167 #define smp_mb__before_atomic_inc() mb() 168 #define smp_mb__after_atomic_inc() mb() 169 #define barrier() __compiler_membar() 170 171 #define do_div(a, b) ((a) /= (b)) 172 #define div64_u64(a, b) ((a) / (b)) 173 #define lower_32_bits(n) ((u32)(n)) 174 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 175 176 #define __set_bit(n, s) set_bit((n), (s)) 177 #define __clear_bit(n, s) clear_bit((n), (s)) 178 179 #define min_t(type, x, y) ({ \ 180 type __min1 = (x); \ 181 type __min2 = (y); \ 182 __min1 < __min2 ? __min1 : __min2; }) 183 184 #define max_t(type, x, y) ({ \ 185 type __max1 = (x); \ 186 type __max2 = (y); \ 187 __max1 > __max2 ? __max1 : __max2; }) 188 189 #define memset_io(a, b, c) memset((a), (b), (c)) 190 #define memcpy_fromio(a, b, c) memcpy((a), (b), (c)) 191 #define memcpy_toio(a, b, c) memcpy((a), (b), (c)) 192 193 #define VERIFY_READ VM_PROT_READ 194 #define VERIFY_WRITE VM_PROT_WRITE 195 #define access_ok(prot, p, l) useracc((p), (l), (prot)) 196 197 /* XXXKIB what is the right code for the FreeBSD ? */ 198 /* kib@ used ENXIO here -- dumbbell@ */ 199 #define EREMOTEIO EIO 200 #define ERESTARTSYS 512 /* Same value as Linux. */ 201 202 #define KTR_DRM KTR_DEV 203 #define KTR_DRM_REG KTR_SPARE3 204 205 #define DRM_AGP_KERN struct agp_info 206 #define DRM_AGP_MEM void 207 208 #define PCI_VENDOR_ID_APPLE 0x106b 209 #define PCI_VENDOR_ID_ASUSTEK 0x1043 210 #define PCI_VENDOR_ID_ATI 0x1002 211 #define PCI_VENDOR_ID_DELL 0x1028 212 #define PCI_VENDOR_ID_HP 0x103c 213 #define PCI_VENDOR_ID_IBM 0x1014 214 #define PCI_VENDOR_ID_INTEL 0x8086 215 #define PCI_VENDOR_ID_SERVERWORKS 0x1166 216 #define PCI_VENDOR_ID_SONY 0x104d 217 #define PCI_VENDOR_ID_VIA 0x1106 218 219 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 220 #define DIV_ROUND_CLOSEST(n,d) (((n) + (d) / 2) / (d)) 221 #define div_u64(n, d) ((n) / (d)) 222 #define hweight32(i) bitcount32(i) 223 224 static inline unsigned long 225 roundup_pow_of_two(unsigned long x) 226 { 227 228 return (1UL << flsl(x - 1)); 229 } 230 231 /** 232 * ror32 - rotate a 32-bit value right 233 * @word: value to rotate 234 * @shift: bits to roll 235 * 236 * Source: include/linux/bitops.h 237 */ 238 static inline uint32_t 239 ror32(uint32_t word, unsigned int shift) 240 { 241 242 return (word >> shift) | (word << (32 - shift)); 243 } 244 245 #define IS_ALIGNED(x, y) (((x) & ((y) - 1)) == 0) 246 #define round_down(x, y) rounddown2((x), (y)) 247 #define round_up(x, y) roundup2((x), (y)) 248 #define get_unaligned(ptr) \ 249 ({ __typeof__(*(ptr)) __tmp; \ 250 memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) 251 252 #if _BYTE_ORDER == _LITTLE_ENDIAN 253 /* Taken from linux/include/linux/unaligned/le_struct.h. */ 254 struct __una_u32 { u32 x; } __packed; 255 256 static inline u32 257 __get_unaligned_cpu32(const void *p) 258 { 259 const struct __una_u32 *ptr = (const struct __una_u32 *)p; 260 261 return (ptr->x); 262 } 263 264 static inline u32 265 get_unaligned_le32(const void *p) 266 { 267 268 return (__get_unaligned_cpu32((const u8 *)p)); 269 } 270 #else 271 /* Taken from linux/include/linux/unaligned/le_byteshift.h. */ 272 static inline u32 273 __get_unaligned_le32(const u8 *p) 274 { 275 276 return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24); 277 } 278 279 static inline u32 280 get_unaligned_le32(const void *p) 281 { 282 283 return (__get_unaligned_le32((const u8 *)p)); 284 } 285 #endif 286 287 static inline unsigned long 288 ilog2(unsigned long x) 289 { 290 291 return (flsl(x) - 1); 292 } 293 294 static inline int64_t 295 abs64(int64_t x) 296 { 297 298 return (x < 0 ? -x : x); 299 } 300 301 int64_t timeval_to_ns(const struct timeval *tv); 302 struct timeval ns_to_timeval(const int64_t nsec); 303 304 #define PAGE_ALIGN(addr) round_page(addr) 305 #define page_to_phys(x) VM_PAGE_TO_PHYS(x) 306 #define offset_in_page(x) ((x) & PAGE_MASK) 307 308 #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev) 309 310 #define DRM_IOC_VOID IOC_VOID 311 #define DRM_IOC_READ IOC_OUT 312 #define DRM_IOC_WRITE IOC_IN 313 #define DRM_IOC_READWRITE IOC_INOUT 314 #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) 315 316 static inline long 317 __copy_to_user(void __user *to, const void *from, unsigned long n) 318 { 319 return (copyout(from, to, n) != 0 ? n : 0); 320 } 321 #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n)) 322 323 static inline int 324 __put_user(size_t size, void *ptr, void *x) 325 { 326 327 size = copy_to_user(ptr, x, size); 328 329 return (size ? -EFAULT : size); 330 } 331 #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x)) 332 333 static inline unsigned long 334 __copy_from_user(void *to, const void __user *from, unsigned long n) 335 { 336 return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0)); 337 } 338 #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n)) 339 340 static inline int 341 __get_user(size_t size, const void *ptr, void *x) 342 { 343 344 size = copy_from_user(x, ptr, size); 345 346 return (size ? -EFAULT : size); 347 } 348 #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x)) 349 350 static inline int 351 __copy_to_user_inatomic(void __user *to, const void *from, unsigned n) 352 { 353 354 return (copyout_nofault(from, to, n) != 0 ? n : 0); 355 } 356 #define __copy_to_user_inatomic_nocache(to, from, n) \ 357 __copy_to_user_inatomic((to), (from), (n)) 358 359 static inline unsigned long 360 __copy_from_user_inatomic(void *to, const void __user *from, 361 unsigned long n) 362 { 363 364 /* 365 * XXXKIB. Equivalent Linux function is implemented using 366 * MOVNTI for aligned moves. For unaligned head and tail, 367 * normal move is performed. As such, it is not incorrect, if 368 * only somewhat slower, to use normal copyin. All uses 369 * except shmem_pwrite_fast() have the destination mapped WC. 370 */ 371 return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0)); 372 } 373 #define __copy_from_user_inatomic_nocache(to, from, n) \ 374 __copy_from_user_inatomic((to), (from), (n)) 375 376 static inline int 377 fault_in_multipages_readable(const char __user *uaddr, int size) 378 { 379 char c; 380 int ret = 0; 381 const char __user *end = uaddr + size - 1; 382 383 if (unlikely(size == 0)) 384 return ret; 385 386 while (uaddr <= end) { 387 ret = -copyin(uaddr, &c, 1); 388 if (ret != 0) 389 return -EFAULT; 390 uaddr += PAGE_SIZE; 391 } 392 393 /* Check whether the range spilled into the next page. */ 394 if (((unsigned long)uaddr & ~PAGE_MASK) == 395 ((unsigned long)end & ~PAGE_MASK)) { 396 ret = -copyin(end, &c, 1); 397 } 398 399 return ret; 400 } 401 402 static inline int 403 fault_in_multipages_writeable(char __user *uaddr, int size) 404 { 405 int ret = 0; 406 char __user *end = uaddr + size - 1; 407 408 if (unlikely(size == 0)) 409 return ret; 410 411 /* 412 * Writing zeroes into userspace here is OK, because we know that if 413 * the zero gets there, we'll be overwriting it. 414 */ 415 while (uaddr <= end) { 416 ret = subyte(uaddr, 0); 417 if (ret != 0) 418 return -EFAULT; 419 uaddr += PAGE_SIZE; 420 } 421 422 /* Check whether the range spilled into the next page. */ 423 if (((unsigned long)uaddr & ~PAGE_MASK) == 424 ((unsigned long)end & ~PAGE_MASK)) 425 ret = subyte(end, 0); 426 427 return ret; 428 } 429 430 enum __drm_capabilities { 431 CAP_SYS_ADMIN 432 }; 433 434 static inline bool 435 capable(enum __drm_capabilities cap) 436 { 437 438 switch (cap) { 439 case CAP_SYS_ADMIN: 440 return DRM_SUSER(curthread); 441 } 442 } 443 444 #define to_user_ptr(x) ((void *)(uintptr_t)(x)) 445 #define sigemptyset(set) SIGEMPTYSET(set) 446 #define sigaddset(set, sig) SIGADDSET(set, sig) 447 448 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 449 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 450 451 extern unsigned long drm_linux_timer_hz_mask; 452 #define jiffies ticks 453 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 454 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 455 #define timespec_to_jiffies(x) (((x)->tv_sec * 1000000 + (x)->tv_nsec) * hz / 1000000) 456 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 457 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 458 #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask)) 459 #define round_jiffies_up(j) round_jiffies(j) /* TODO */ 460 #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */ 461 462 #define getrawmonotonic(ts) getnanouptime(ts) 463 464 #define wake_up(queue) wakeup_one((void *)queue) 465 #define wake_up_interruptible(queue) wakeup_one((void *)queue) 466 #define wake_up_all(queue) wakeup((void *)queue) 467 #define wake_up_interruptible_all(queue) wakeup((void *)queue) 468 469 struct completion { 470 unsigned int done; 471 struct mtx lock; 472 }; 473 474 #define INIT_COMPLETION(c) ((c).done = 0); 475 476 static inline void 477 init_completion(struct completion *c) 478 { 479 480 mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF); 481 c->done = 0; 482 } 483 484 static inline void 485 free_completion(struct completion *c) 486 { 487 488 mtx_destroy(&c->lock); 489 } 490 491 static inline void 492 complete_all(struct completion *c) 493 { 494 495 mtx_lock(&c->lock); 496 c->done++; 497 mtx_unlock(&c->lock); 498 wakeup(c); 499 } 500 501 static inline long 502 wait_for_completion_interruptible_timeout(struct completion *c, 503 unsigned long timeout) 504 { 505 unsigned long start_jiffies, elapsed_jiffies; 506 bool timeout_expired = false, awakened = false; 507 long ret = timeout; 508 509 start_jiffies = ticks; 510 511 mtx_lock(&c->lock); 512 while (c->done == 0 && !timeout_expired) { 513 ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout); 514 switch(ret) { 515 case -EWOULDBLOCK: 516 timeout_expired = true; 517 ret = 0; 518 break; 519 case -EINTR: 520 case -ERESTART: 521 ret = -ERESTARTSYS; 522 break; 523 case 0: 524 awakened = true; 525 break; 526 } 527 } 528 mtx_unlock(&c->lock); 529 530 if (awakened) { 531 elapsed_jiffies = ticks - start_jiffies; 532 ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1; 533 } 534 535 return (ret); 536 } 537 538 MALLOC_DECLARE(DRM_MEM_DMA); 539 MALLOC_DECLARE(DRM_MEM_SAREA); 540 MALLOC_DECLARE(DRM_MEM_DRIVER); 541 MALLOC_DECLARE(DRM_MEM_MAGIC); 542 MALLOC_DECLARE(DRM_MEM_MINOR); 543 MALLOC_DECLARE(DRM_MEM_IOCTLS); 544 MALLOC_DECLARE(DRM_MEM_MAPS); 545 MALLOC_DECLARE(DRM_MEM_BUFS); 546 MALLOC_DECLARE(DRM_MEM_SEGS); 547 MALLOC_DECLARE(DRM_MEM_PAGES); 548 MALLOC_DECLARE(DRM_MEM_FILES); 549 MALLOC_DECLARE(DRM_MEM_QUEUES); 550 MALLOC_DECLARE(DRM_MEM_CMDS); 551 MALLOC_DECLARE(DRM_MEM_MAPPINGS); 552 MALLOC_DECLARE(DRM_MEM_BUFLISTS); 553 MALLOC_DECLARE(DRM_MEM_AGPLISTS); 554 MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 555 MALLOC_DECLARE(DRM_MEM_SGLISTS); 556 MALLOC_DECLARE(DRM_MEM_MM); 557 MALLOC_DECLARE(DRM_MEM_HASHTAB); 558 MALLOC_DECLARE(DRM_MEM_KMS); 559 MALLOC_DECLARE(DRM_MEM_VBLANK); 560 561 #define simple_strtol(a, b, c) strtol((a), (b), (c)) 562 563 typedef struct drm_pci_id_list 564 { 565 int vendor; 566 int device; 567 long driver_private; 568 char *name; 569 } drm_pci_id_list_t; 570 571 #ifdef __i386__ 572 #define CONFIG_X86 1 573 #endif 574 #ifdef __amd64__ 575 #define CONFIG_X86 1 576 #define CONFIG_X86_64 1 577 #endif 578 #ifdef __ia64__ 579 #define CONFIG_IA64 1 580 #endif 581 582 #if defined(__i386__) || defined(__amd64__) 583 #define CONFIG_ACPI 584 #define CONFIG_DRM_I915_KMS 585 #undef CONFIG_INTEL_IOMMU 586 #endif 587 588 #ifdef COMPAT_FREEBSD32 589 #define CONFIG_COMPAT 590 #endif 591 592 #define CONFIG_AGP 1 593 #define CONFIG_MTRR 1 594 595 #define CONFIG_FB 1 596 extern const char *fb_mode_option; 597 598 #undef CONFIG_DEBUG_FS 599 #undef CONFIG_VGA_CONSOLE 600 601 #define EXPORT_SYMBOL(x) 602 #define EXPORT_SYMBOL_GPL(x) 603 #define MODULE_AUTHOR(author) 604 #define MODULE_DESCRIPTION(desc) 605 #define MODULE_LICENSE(license) 606 #define MODULE_PARM_DESC(name, desc) 607 #define MODULE_DEVICE_TABLE(name, list) 608 #define module_param_named(name, var, type, perm) 609 610 #define printk printf 611 #define pr_err DRM_ERROR 612 #define pr_warn DRM_WARNING 613 #define pr_warn_once DRM_WARNING 614 #define KERN_DEBUG "" 615 616 /* I2C compatibility. */ 617 #define I2C_M_RD IIC_M_RD 618 #define I2C_M_WR IIC_M_WR 619 #define I2C_M_NOSTART IIC_M_NOSTART 620 621 struct fb_info * framebuffer_alloc(void); 622 void framebuffer_release(struct fb_info *info); 623 624 #define console_lock() 625 #define console_unlock() 626 #define console_trylock() true 627 628 #define PM_EVENT_SUSPEND 0x0002 629 #define PM_EVENT_QUIESCE 0x0008 630 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE 631 632 typedef struct pm_message { 633 int event; 634 } pm_message_t; 635 636 static inline int 637 pci_read_config_byte(device_t kdev, int where, u8 *val) 638 { 639 640 *val = (u8)pci_read_config(kdev, where, 1); 641 return (0); 642 } 643 644 static inline int 645 pci_write_config_byte(device_t kdev, int where, u8 val) 646 { 647 648 pci_write_config(kdev, where, val, 1); 649 return (0); 650 } 651 652 static inline int 653 pci_read_config_word(device_t kdev, int where, uint16_t *val) 654 { 655 656 *val = (uint16_t)pci_read_config(kdev, where, 2); 657 return (0); 658 } 659 660 static inline int 661 pci_write_config_word(device_t kdev, int where, uint16_t val) 662 { 663 664 pci_write_config(kdev, where, val, 2); 665 return (0); 666 } 667 668 static inline int 669 pci_read_config_dword(device_t kdev, int where, uint32_t *val) 670 { 671 672 *val = (uint32_t)pci_read_config(kdev, where, 4); 673 return (0); 674 } 675 676 static inline int 677 pci_write_config_dword(device_t kdev, int where, uint32_t val) 678 { 679 680 pci_write_config(kdev, where, val, 4); 681 return (0); 682 } 683 684 static inline void 685 on_each_cpu(void callback(void *data), void *data, int wait) 686 { 687 688 smp_rendezvous(NULL, callback, NULL, data); 689 } 690 691 void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, 692 int groupsize, char *linebuf, size_t linebuflen, bool ascii); 693 694 #define KIB_NOTYET() \ 695 do { \ 696 if (drm_debug && drm_notyet) \ 697 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ 698 } while (0) 699 700 #endif /* _DRM_OS_FREEBSD_H_ */ 701