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 84 #define BUILD_BUG_ON(x) CTASSERT(!(x)) 85 #define BUILD_BUG_ON_NOT_POWER_OF_2(x) 86 87 #ifndef WARN 88 #define WARN(condition, format, ...) ({ \ 89 int __ret_warn_on = !!(condition); \ 90 if (unlikely(__ret_warn_on)) \ 91 DRM_ERROR(format, ##__VA_ARGS__); \ 92 unlikely(__ret_warn_on); \ 93 }) 94 #endif 95 #define WARN_ONCE(condition, format, ...) \ 96 WARN(condition, format, ##__VA_ARGS__) 97 #define WARN_ON(cond) WARN(cond, "WARN ON: " #cond) 98 #define WARN_ON_SMP(cond) WARN_ON(cond) 99 #define BUG() panic("BUG") 100 #define BUG_ON(cond) KASSERT(!(cond), ("BUG ON: " #cond " -> 0x%jx", (uintmax_t)(cond))) 101 #define unlikely(x) __builtin_expect(!!(x), 0) 102 #define likely(x) __builtin_expect(!!(x), 1) 103 #define container_of(ptr, type, member) ({ \ 104 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 105 (type *)( (char *)__mptr - offsetof(type,member) );}) 106 107 #define KHZ2PICOS(a) (1000000000UL/(a)) 108 109 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 110 111 #define HZ hz 112 #define DRM_HZ hz 113 #define DRM_CURRENTPID curthread->td_proc->p_pid 114 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 115 #define udelay(usecs) DELAY(usecs) 116 #define mdelay(msecs) do { int loops = (msecs); \ 117 while (loops--) DELAY(1000); \ 118 } while (0) 119 #define DRM_UDELAY(udelay) DELAY(udelay) 120 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 121 #define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep") 122 #define get_seconds() time_second 123 124 #define ioread8(addr) *(volatile uint8_t *)((char *)addr) 125 #define ioread16(addr) *(volatile uint16_t *)((char *)addr) 126 #define ioread32(addr) *(volatile uint32_t *)((char *)addr) 127 128 #define iowrite8(data, addr) *(volatile uint8_t *)((char *)addr) = data; 129 #define iowrite16(data, addr) *(volatile uint16_t *)((char *)addr) = data; 130 #define iowrite32(data, addr) *(volatile uint32_t *)((char *)addr) = data; 131 132 #define DRM_READ8(map, offset) \ 133 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 134 (vm_offset_t)(offset)) 135 #define DRM_READ16(map, offset) \ 136 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 137 (vm_offset_t)(offset))) 138 #define DRM_READ32(map, offset) \ 139 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 140 (vm_offset_t)(offset))) 141 #define DRM_READ64(map, offset) \ 142 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 143 (vm_offset_t)(offset))) 144 #define DRM_WRITE8(map, offset, val) \ 145 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 146 (vm_offset_t)(offset)) = val 147 #define DRM_WRITE16(map, offset, val) \ 148 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 149 (vm_offset_t)(offset)) = htole16(val) 150 #define DRM_WRITE32(map, offset, val) \ 151 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 152 (vm_offset_t)(offset)) = htole32(val) 153 #define DRM_WRITE64(map, offset, val) \ 154 *(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 155 (vm_offset_t)(offset)) = htole64(val) 156 157 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 158 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 159 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 160 */ 161 #define DRM_READMEMORYBARRIER() rmb() 162 #define DRM_WRITEMEMORYBARRIER() wmb() 163 #define DRM_MEMORYBARRIER() mb() 164 #define smp_rmb() rmb() 165 #define smp_wmb() wmb() 166 #define smp_mb__before_atomic_inc() mb() 167 #define smp_mb__after_atomic_inc() mb() 168 #define barrier() __compiler_membar() 169 170 #define do_div(a, b) ((a) /= (b)) 171 #define div64_u64(a, b) ((a) / (b)) 172 #define lower_32_bits(n) ((u32)(n)) 173 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 174 175 #define __set_bit(n, s) set_bit((n), (s)) 176 #define __clear_bit(n, s) clear_bit((n), (s)) 177 178 #define min_t(type, x, y) ({ \ 179 type __min1 = (x); \ 180 type __min2 = (y); \ 181 __min1 < __min2 ? __min1 : __min2; }) 182 183 #define max_t(type, x, y) ({ \ 184 type __max1 = (x); \ 185 type __max2 = (y); \ 186 __max1 > __max2 ? __max1 : __max2; }) 187 188 #define memset_io(a, b, c) memset((a), (b), (c)) 189 #define memcpy_fromio(a, b, c) memcpy((a), (b), (c)) 190 #define memcpy_toio(a, b, c) memcpy((a), (b), (c)) 191 192 #define VERIFY_READ VM_PROT_READ 193 #define VERIFY_WRITE VM_PROT_WRITE 194 #define access_ok(prot, p, l) useracc((p), (l), (prot)) 195 196 /* XXXKIB what is the right code for the FreeBSD ? */ 197 /* kib@ used ENXIO here -- dumbbell@ */ 198 #define EREMOTEIO EIO 199 #define ERESTARTSYS 512 /* Same value as Linux. */ 200 201 #define KTR_DRM KTR_DEV 202 #define KTR_DRM_REG KTR_SPARE3 203 204 #define DRM_AGP_KERN struct agp_info 205 #define DRM_AGP_MEM void 206 207 #define PCI_VENDOR_ID_APPLE 0x106b 208 #define PCI_VENDOR_ID_ASUSTEK 0x1043 209 #define PCI_VENDOR_ID_ATI 0x1002 210 #define PCI_VENDOR_ID_DELL 0x1028 211 #define PCI_VENDOR_ID_HP 0x103c 212 #define PCI_VENDOR_ID_IBM 0x1014 213 #define PCI_VENDOR_ID_INTEL 0x8086 214 #define PCI_VENDOR_ID_SERVERWORKS 0x1166 215 #define PCI_VENDOR_ID_SONY 0x104d 216 #define PCI_VENDOR_ID_VIA 0x1106 217 218 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 219 #define DIV_ROUND_CLOSEST(n,d) (((n) + (d) / 2) / (d)) 220 #define div_u64(n, d) ((n) / (d)) 221 #define hweight32(i) bitcount32(i) 222 223 static inline unsigned long 224 roundup_pow_of_two(unsigned long x) 225 { 226 227 return (1UL << flsl(x - 1)); 228 } 229 230 /** 231 * ror32 - rotate a 32-bit value right 232 * @word: value to rotate 233 * @shift: bits to roll 234 * 235 * Source: include/linux/bitops.h 236 */ 237 static inline uint32_t 238 ror32(uint32_t word, unsigned int shift) 239 { 240 241 return (word >> shift) | (word << (32 - shift)); 242 } 243 244 #define IS_ALIGNED(x, y) (((x) & ((y) - 1)) == 0) 245 #define round_down(x, y) rounddown2((x), (y)) 246 #define round_up(x, y) roundup2((x), (y)) 247 #define get_unaligned(ptr) \ 248 ({ __typeof__(*(ptr)) __tmp; \ 249 memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) 250 251 #if _BYTE_ORDER == _LITTLE_ENDIAN 252 /* Taken from linux/include/linux/unaligned/le_struct.h. */ 253 struct __una_u32 { u32 x; } __packed; 254 255 static inline u32 256 __get_unaligned_cpu32(const void *p) 257 { 258 const struct __una_u32 *ptr = (const struct __una_u32 *)p; 259 260 return (ptr->x); 261 } 262 263 static inline u32 264 get_unaligned_le32(const void *p) 265 { 266 267 return (__get_unaligned_cpu32((const u8 *)p)); 268 } 269 #else 270 /* Taken from linux/include/linux/unaligned/le_byteshift.h. */ 271 static inline u32 272 __get_unaligned_le32(const u8 *p) 273 { 274 275 return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24); 276 } 277 278 static inline u32 279 get_unaligned_le32(const void *p) 280 { 281 282 return (__get_unaligned_le32((const u8 *)p)); 283 } 284 #endif 285 286 static inline unsigned long 287 ilog2(unsigned long x) 288 { 289 290 return (flsl(x) - 1); 291 } 292 293 static inline int64_t 294 abs64(int64_t x) 295 { 296 297 return (x < 0 ? -x : x); 298 } 299 300 int64_t timeval_to_ns(const struct timeval *tv); 301 struct timeval ns_to_timeval(const int64_t nsec); 302 303 #define PAGE_ALIGN(addr) round_page(addr) 304 #define page_to_phys(x) VM_PAGE_TO_PHYS(x) 305 #define offset_in_page(x) ((x) & PAGE_MASK) 306 307 #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev) 308 309 #define DRM_IOC_VOID IOC_VOID 310 #define DRM_IOC_READ IOC_OUT 311 #define DRM_IOC_WRITE IOC_IN 312 #define DRM_IOC_READWRITE IOC_INOUT 313 #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) 314 315 static inline long 316 __copy_to_user(void __user *to, const void *from, unsigned long n) 317 { 318 return (copyout(from, to, n) != 0 ? n : 0); 319 } 320 #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n)) 321 322 static inline int 323 __put_user(size_t size, void *ptr, void *x) 324 { 325 326 size = copy_to_user(ptr, x, size); 327 328 return (size ? -EFAULT : size); 329 } 330 #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x)) 331 332 static inline unsigned long 333 __copy_from_user(void *to, const void __user *from, unsigned long n) 334 { 335 return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0)); 336 } 337 #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n)) 338 339 static inline int 340 __get_user(size_t size, const void *ptr, void *x) 341 { 342 343 size = copy_from_user(x, ptr, size); 344 345 return (size ? -EFAULT : size); 346 } 347 #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x)) 348 349 static inline int 350 __copy_to_user_inatomic(void __user *to, const void *from, unsigned n) 351 { 352 353 return (copyout_nofault(from, to, n) != 0 ? n : 0); 354 } 355 #define __copy_to_user_inatomic_nocache(to, from, n) \ 356 __copy_to_user_inatomic((to), (from), (n)) 357 358 static inline unsigned long 359 __copy_from_user_inatomic(void *to, const void __user *from, 360 unsigned long n) 361 { 362 363 /* 364 * XXXKIB. Equivalent Linux function is implemented using 365 * MOVNTI for aligned moves. For unaligned head and tail, 366 * normal move is performed. As such, it is not incorrect, if 367 * only somewhat slower, to use normal copyin. All uses 368 * except shmem_pwrite_fast() have the destination mapped WC. 369 */ 370 return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0)); 371 } 372 #define __copy_from_user_inatomic_nocache(to, from, n) \ 373 __copy_from_user_inatomic((to), (from), (n)) 374 375 static inline int 376 fault_in_multipages_readable(const char __user *uaddr, int size) 377 { 378 char c; 379 int ret = 0; 380 const char __user *end = uaddr + size - 1; 381 382 if (unlikely(size == 0)) 383 return ret; 384 385 while (uaddr <= end) { 386 ret = -copyin(uaddr, &c, 1); 387 if (ret != 0) 388 return -EFAULT; 389 uaddr += PAGE_SIZE; 390 } 391 392 /* Check whether the range spilled into the next page. */ 393 if (((unsigned long)uaddr & ~PAGE_MASK) == 394 ((unsigned long)end & ~PAGE_MASK)) { 395 ret = -copyin(end, &c, 1); 396 } 397 398 return ret; 399 } 400 401 static inline int 402 fault_in_multipages_writeable(char __user *uaddr, int size) 403 { 404 int ret = 0; 405 char __user *end = uaddr + size - 1; 406 407 if (unlikely(size == 0)) 408 return ret; 409 410 /* 411 * Writing zeroes into userspace here is OK, because we know that if 412 * the zero gets there, we'll be overwriting it. 413 */ 414 while (uaddr <= end) { 415 ret = subyte(uaddr, 0); 416 if (ret != 0) 417 return -EFAULT; 418 uaddr += PAGE_SIZE; 419 } 420 421 /* Check whether the range spilled into the next page. */ 422 if (((unsigned long)uaddr & ~PAGE_MASK) == 423 ((unsigned long)end & ~PAGE_MASK)) 424 ret = subyte(end, 0); 425 426 return ret; 427 } 428 429 enum __drm_capabilities { 430 CAP_SYS_ADMIN 431 }; 432 433 static inline bool 434 capable(enum __drm_capabilities cap) 435 { 436 437 switch (cap) { 438 case CAP_SYS_ADMIN: 439 return DRM_SUSER(curthread); 440 default: 441 panic("%s: unhandled capability: %0x", __func__, cap); 442 return (false); 443 } 444 } 445 446 #define to_user_ptr(x) ((void *)(uintptr_t)(x)) 447 #define sigemptyset(set) SIGEMPTYSET(set) 448 #define sigaddset(set, sig) SIGADDSET(set, sig) 449 450 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 451 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 452 453 extern unsigned long drm_linux_timer_hz_mask; 454 #define jiffies ticks 455 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 456 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 457 #define timespec_to_jiffies(x) (((x)->tv_sec * 1000000 + (x)->tv_nsec) * hz / 1000000) 458 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 459 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 460 #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask)) 461 #define round_jiffies_up(j) round_jiffies(j) /* TODO */ 462 #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */ 463 464 #define getrawmonotonic(ts) getnanouptime(ts) 465 466 #define wake_up(queue) wakeup_one((void *)queue) 467 #define wake_up_interruptible(queue) wakeup_one((void *)queue) 468 #define wake_up_all(queue) wakeup((void *)queue) 469 #define wake_up_interruptible_all(queue) wakeup((void *)queue) 470 471 struct completion { 472 unsigned int done; 473 struct mtx lock; 474 }; 475 476 #define INIT_COMPLETION(c) ((c).done = 0); 477 478 static inline void 479 init_completion(struct completion *c) 480 { 481 482 mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF); 483 c->done = 0; 484 } 485 486 static inline void 487 free_completion(struct completion *c) 488 { 489 490 mtx_destroy(&c->lock); 491 } 492 493 static inline void 494 complete_all(struct completion *c) 495 { 496 497 mtx_lock(&c->lock); 498 c->done++; 499 mtx_unlock(&c->lock); 500 wakeup(c); 501 } 502 503 static inline long 504 wait_for_completion_interruptible_timeout(struct completion *c, 505 unsigned long timeout) 506 { 507 unsigned long start_jiffies, elapsed_jiffies; 508 bool timeout_expired = false, awakened = false; 509 long ret = timeout; 510 511 start_jiffies = ticks; 512 513 mtx_lock(&c->lock); 514 while (c->done == 0 && !timeout_expired) { 515 ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout); 516 switch(ret) { 517 case -EWOULDBLOCK: 518 timeout_expired = true; 519 ret = 0; 520 break; 521 case -EINTR: 522 case -ERESTART: 523 ret = -ERESTARTSYS; 524 break; 525 case 0: 526 awakened = true; 527 break; 528 } 529 } 530 mtx_unlock(&c->lock); 531 532 if (awakened) { 533 elapsed_jiffies = ticks - start_jiffies; 534 ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1; 535 } 536 537 return (ret); 538 } 539 540 MALLOC_DECLARE(DRM_MEM_DMA); 541 MALLOC_DECLARE(DRM_MEM_SAREA); 542 MALLOC_DECLARE(DRM_MEM_DRIVER); 543 MALLOC_DECLARE(DRM_MEM_MAGIC); 544 MALLOC_DECLARE(DRM_MEM_MINOR); 545 MALLOC_DECLARE(DRM_MEM_IOCTLS); 546 MALLOC_DECLARE(DRM_MEM_MAPS); 547 MALLOC_DECLARE(DRM_MEM_BUFS); 548 MALLOC_DECLARE(DRM_MEM_SEGS); 549 MALLOC_DECLARE(DRM_MEM_PAGES); 550 MALLOC_DECLARE(DRM_MEM_FILES); 551 MALLOC_DECLARE(DRM_MEM_QUEUES); 552 MALLOC_DECLARE(DRM_MEM_CMDS); 553 MALLOC_DECLARE(DRM_MEM_MAPPINGS); 554 MALLOC_DECLARE(DRM_MEM_BUFLISTS); 555 MALLOC_DECLARE(DRM_MEM_AGPLISTS); 556 MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 557 MALLOC_DECLARE(DRM_MEM_SGLISTS); 558 MALLOC_DECLARE(DRM_MEM_MM); 559 MALLOC_DECLARE(DRM_MEM_HASHTAB); 560 MALLOC_DECLARE(DRM_MEM_KMS); 561 MALLOC_DECLARE(DRM_MEM_VBLANK); 562 563 #define simple_strtol(a, b, c) strtol((a), (b), (c)) 564 565 typedef struct drm_pci_id_list 566 { 567 int vendor; 568 int device; 569 long driver_private; 570 char *name; 571 } drm_pci_id_list_t; 572 573 #ifdef __i386__ 574 #define CONFIG_X86 1 575 #endif 576 #ifdef __amd64__ 577 #define CONFIG_X86 1 578 #define CONFIG_X86_64 1 579 #endif 580 #ifdef __ia64__ 581 #define CONFIG_IA64 1 582 #endif 583 584 #if defined(__i386__) || defined(__amd64__) 585 #define CONFIG_ACPI 586 #define CONFIG_DRM_I915_KMS 587 #undef CONFIG_INTEL_IOMMU 588 #endif 589 590 #ifdef COMPAT_FREEBSD32 591 #define CONFIG_COMPAT 592 #endif 593 594 #ifndef __arm__ 595 #define CONFIG_AGP 1 596 #define CONFIG_MTRR 1 597 #endif 598 599 #define CONFIG_FB 1 600 extern const char *fb_mode_option; 601 602 #undef CONFIG_DEBUG_FS 603 #undef CONFIG_VGA_CONSOLE 604 605 #define EXPORT_SYMBOL(x) 606 #define EXPORT_SYMBOL_GPL(x) 607 #define MODULE_AUTHOR(author) 608 #define MODULE_DESCRIPTION(desc) 609 #define MODULE_LICENSE(license) 610 #define MODULE_PARM_DESC(name, desc) 611 #define MODULE_DEVICE_TABLE(name, list) 612 #define module_param_named(name, var, type, perm) 613 614 #define printk printf 615 #define pr_err DRM_ERROR 616 #define pr_warn DRM_WARNING 617 #define pr_warn_once DRM_WARNING 618 #define KERN_DEBUG "" 619 620 /* I2C compatibility. */ 621 #define I2C_M_RD IIC_M_RD 622 #define I2C_M_WR IIC_M_WR 623 #define I2C_M_NOSTART IIC_M_NOSTART 624 625 struct fb_info * framebuffer_alloc(void); 626 void framebuffer_release(struct fb_info *info); 627 628 #define console_lock() 629 #define console_unlock() 630 #define console_trylock() true 631 632 #define PM_EVENT_SUSPEND 0x0002 633 #define PM_EVENT_QUIESCE 0x0008 634 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE 635 636 typedef struct pm_message { 637 int event; 638 } pm_message_t; 639 640 static inline int 641 pci_read_config_byte(device_t kdev, int where, u8 *val) 642 { 643 644 *val = (u8)pci_read_config(kdev, where, 1); 645 return (0); 646 } 647 648 static inline int 649 pci_write_config_byte(device_t kdev, int where, u8 val) 650 { 651 652 pci_write_config(kdev, where, val, 1); 653 return (0); 654 } 655 656 static inline int 657 pci_read_config_word(device_t kdev, int where, uint16_t *val) 658 { 659 660 *val = (uint16_t)pci_read_config(kdev, where, 2); 661 return (0); 662 } 663 664 static inline int 665 pci_write_config_word(device_t kdev, int where, uint16_t val) 666 { 667 668 pci_write_config(kdev, where, val, 2); 669 return (0); 670 } 671 672 static inline int 673 pci_read_config_dword(device_t kdev, int where, uint32_t *val) 674 { 675 676 *val = (uint32_t)pci_read_config(kdev, where, 4); 677 return (0); 678 } 679 680 static inline int 681 pci_write_config_dword(device_t kdev, int where, uint32_t val) 682 { 683 684 pci_write_config(kdev, where, val, 4); 685 return (0); 686 } 687 688 static inline void 689 on_each_cpu(void callback(void *data), void *data, int wait) 690 { 691 692 smp_rendezvous(NULL, callback, NULL, data); 693 } 694 695 void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, 696 int groupsize, char *linebuf, size_t linebuflen, bool ascii); 697 698 #define KIB_NOTYET() \ 699 do { \ 700 if (drm_debug && drm_notyet) \ 701 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ 702 } while (0) 703 704 #endif /* _DRM_OS_FREEBSD_H_ */ 705