1 /** 2 * \file drm_os_freebsd.h 3 * OS abstraction macros. 4 */ 5 6 #include <sys/cdefs.h> 7 #ifndef _DRM_OS_FREEBSD_H_ 8 #define _DRM_OS_FREEBSD_H_ 9 10 #include <sys/fbio.h> 11 #include <sys/smp.h> 12 13 #if _BYTE_ORDER == _BIG_ENDIAN 14 #define __BIG_ENDIAN 4321 15 #else 16 #define __LITTLE_ENDIAN 1234 17 #endif 18 19 #ifdef __LP64__ 20 #define BITS_PER_LONG 64 21 #else 22 #define BITS_PER_LONG 32 23 #endif 24 25 #ifndef __user 26 #define __user 27 #endif 28 #ifndef __iomem 29 #define __iomem 30 #endif 31 #ifndef __always_unused 32 #define __always_unused 33 #endif 34 #ifndef __must_check 35 #define __must_check 36 #endif 37 #ifndef __force 38 #define __force 39 #endif 40 #ifndef uninitialized_var 41 #define uninitialized_var(x) x 42 #endif 43 44 #define cpu_to_le16(x) htole16(x) 45 #define le16_to_cpu(x) le16toh(x) 46 #define cpu_to_le32(x) htole32(x) 47 #define le32_to_cpu(x) le32toh(x) 48 49 #define cpu_to_be16(x) htobe16(x) 50 #define be16_to_cpu(x) be16toh(x) 51 #define cpu_to_be32(x) htobe32(x) 52 #define be32_to_cpu(x) be32toh(x) 53 #define be32_to_cpup(x) be32toh(*x) 54 55 typedef vm_paddr_t dma_addr_t; 56 typedef vm_paddr_t resource_size_t; 57 #define wait_queue_head_t atomic_t 58 59 typedef uint64_t u64; 60 typedef uint32_t u32; 61 typedef uint16_t u16; 62 typedef uint8_t u8; 63 typedef int64_t s64; 64 typedef int32_t s32; 65 typedef int16_t s16; 66 typedef int8_t s8; 67 typedef uint16_t __le16; 68 typedef uint32_t __le32; 69 typedef uint64_t __le64; 70 typedef uint16_t __be16; 71 typedef uint32_t __be32; 72 typedef uint64_t __be64; 73 74 #define DRM_IRQ_ARGS void *arg 75 typedef void irqreturn_t; 76 #define IRQ_HANDLED /* nothing */ 77 #define IRQ_NONE /* nothing */ 78 79 #define __init 80 #define __exit 81 82 #define BUILD_BUG_ON(x) CTASSERT(!(x)) 83 #define BUILD_BUG_ON_NOT_POWER_OF_2(x) 84 85 #ifndef WARN 86 #define WARN(condition, format, ...) ({ \ 87 int __ret_warn_on = !!(condition); \ 88 if (unlikely(__ret_warn_on)) \ 89 DRM_ERROR(format, ##__VA_ARGS__); \ 90 unlikely(__ret_warn_on); \ 91 }) 92 #endif 93 #define WARN_ONCE(condition, format, ...) \ 94 WARN(condition, format, ##__VA_ARGS__) 95 #define WARN_ON(cond) WARN(cond, "WARN ON: " #cond) 96 #define WARN_ON_SMP(cond) WARN_ON(cond) 97 #define BUG() panic("BUG") 98 #define BUG_ON(cond) KASSERT(!(cond), ("BUG ON: " #cond " -> 0x%jx", (uintmax_t)(cond))) 99 #define unlikely(x) __builtin_expect(!!(x), 0) 100 #define likely(x) __builtin_expect(!!(x), 1) 101 #define container_of(ptr, type, member) ({ \ 102 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 103 (type *)( (char *)__mptr - offsetof(type,member) );}) 104 105 #define KHZ2PICOS(a) (1000000000UL/(a)) 106 107 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 108 109 #define HZ hz 110 #define DRM_HZ hz 111 #define DRM_CURRENTPID curthread->td_proc->p_pid 112 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 113 #define udelay(usecs) DELAY(usecs) 114 #define mdelay(msecs) do { int loops = (msecs); \ 115 while (loops--) DELAY(1000); \ 116 } while (0) 117 #define DRM_UDELAY(udelay) DELAY(udelay) 118 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 119 #define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep") 120 #define get_seconds() time_second 121 122 #define ioread8(addr) *(volatile uint8_t *)((char *)addr) 123 #define ioread16(addr) *(volatile uint16_t *)((char *)addr) 124 #define ioread32(addr) *(volatile uint32_t *)((char *)addr) 125 126 #define iowrite8(data, addr) *(volatile uint8_t *)((char *)addr) = data; 127 #define iowrite16(data, addr) *(volatile uint16_t *)((char *)addr) = data; 128 #define iowrite32(data, addr) *(volatile uint32_t *)((char *)addr) = data; 129 130 #define DRM_READ8(map, offset) \ 131 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 132 (vm_offset_t)(offset)) 133 #define DRM_READ16(map, offset) \ 134 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 135 (vm_offset_t)(offset))) 136 #define DRM_READ32(map, offset) \ 137 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 138 (vm_offset_t)(offset))) 139 #define DRM_READ64(map, offset) \ 140 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 141 (vm_offset_t)(offset))) 142 #define DRM_WRITE8(map, offset, val) \ 143 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 144 (vm_offset_t)(offset)) = val 145 #define DRM_WRITE16(map, offset, val) \ 146 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 147 (vm_offset_t)(offset)) = htole16(val) 148 #define DRM_WRITE32(map, offset, val) \ 149 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 150 (vm_offset_t)(offset)) = htole32(val) 151 #define DRM_WRITE64(map, offset, val) \ 152 *(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 153 (vm_offset_t)(offset)) = htole64(val) 154 155 #if !defined(__arm__) 156 #if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || defined(__aarch64__) 157 #define DRM_MSG "WARNING! drm2 module is deprecated. Install the graphics/drm-kmod pkg\n" 158 #else 159 #define DRM_MSG "WARNING! drm2 module is deprecated.\n" 160 #endif 161 #define DRM_OBSOLETE(dev) gone_in_dev(dev, 13, DRM_MSG) 162 #endif /* __arm__ */ 163 164 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 165 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 166 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 167 */ 168 #define DRM_READMEMORYBARRIER() rmb() 169 #define DRM_WRITEMEMORYBARRIER() wmb() 170 #define DRM_MEMORYBARRIER() mb() 171 #define smp_rmb() rmb() 172 #define smp_wmb() wmb() 173 #define smp_mb__before_atomic_inc() mb() 174 #define smp_mb__after_atomic_inc() mb() 175 #define barrier() __compiler_membar() 176 177 #define do_div(a, b) ((a) /= (b)) 178 #define div64_u64(a, b) ((a) / (b)) 179 #define lower_32_bits(n) ((u32)(n)) 180 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 181 182 #define __set_bit(n, s) set_bit((n), (s)) 183 #define __clear_bit(n, s) clear_bit((n), (s)) 184 185 #define min_t(type, x, y) ({ \ 186 type __min1 = (x); \ 187 type __min2 = (y); \ 188 __min1 < __min2 ? __min1 : __min2; }) 189 190 #define max_t(type, x, y) ({ \ 191 type __max1 = (x); \ 192 type __max2 = (y); \ 193 __max1 > __max2 ? __max1 : __max2; }) 194 195 #define memset_io(a, b, c) memset((a), (b), (c)) 196 #define memcpy_fromio(a, b, c) memcpy((a), (b), (c)) 197 #define memcpy_toio(a, b, c) memcpy((a), (b), (c)) 198 199 #define VERIFY_READ VM_PROT_READ 200 #define VERIFY_WRITE VM_PROT_WRITE 201 #define access_ok(prot, p, l) useracc((p), (l), (prot)) 202 203 /* XXXKIB what is the right code for the FreeBSD ? */ 204 /* kib@ used ENXIO here -- dumbbell@ */ 205 #define EREMOTEIO EIO 206 #define ERESTARTSYS 512 /* Same value as Linux. */ 207 208 #define KTR_DRM KTR_DEV 209 #define KTR_DRM_REG KTR_SPARE3 210 211 #define DRM_AGP_KERN struct agp_info 212 #define DRM_AGP_MEM void 213 214 #define PCI_VENDOR_ID_APPLE 0x106b 215 #define PCI_VENDOR_ID_ASUSTEK 0x1043 216 #define PCI_VENDOR_ID_ATI 0x1002 217 #define PCI_VENDOR_ID_DELL 0x1028 218 #define PCI_VENDOR_ID_HP 0x103c 219 #define PCI_VENDOR_ID_IBM 0x1014 220 #define PCI_VENDOR_ID_INTEL 0x8086 221 #define PCI_VENDOR_ID_SERVERWORKS 0x1166 222 #define PCI_VENDOR_ID_SONY 0x104d 223 #define PCI_VENDOR_ID_VIA 0x1106 224 225 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 226 #define DIV_ROUND_CLOSEST(n,d) (((n) + (d) / 2) / (d)) 227 #define div_u64(n, d) ((n) / (d)) 228 #define hweight32(i) bitcount32(i) 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 int64_t timeval_to_ns(const struct timeval *tv); 287 struct timeval ns_to_timeval(const int64_t nsec); 288 289 #define PAGE_ALIGN(addr) round_page(addr) 290 #define page_to_phys(x) VM_PAGE_TO_PHYS(x) 291 #define offset_in_page(x) ((x) & PAGE_MASK) 292 293 #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev) 294 295 #define DRM_IOC_VOID IOC_VOID 296 #define DRM_IOC_READ IOC_OUT 297 #define DRM_IOC_WRITE IOC_IN 298 #define DRM_IOC_READWRITE IOC_INOUT 299 #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) 300 301 static inline long 302 __copy_to_user(void __user *to, const void *from, unsigned long n) 303 { 304 return (copyout(from, to, n) != 0 ? n : 0); 305 } 306 #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n)) 307 308 static inline int 309 __put_user(size_t size, void *ptr, void *x) 310 { 311 312 size = copy_to_user(ptr, x, size); 313 314 return (size ? -EFAULT : size); 315 } 316 #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x)) 317 318 static inline unsigned long 319 __copy_from_user(void *to, const void __user *from, unsigned long n) 320 { 321 return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0)); 322 } 323 #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n)) 324 325 static inline int 326 __get_user(size_t size, const void *ptr, void *x) 327 { 328 329 size = copy_from_user(x, ptr, size); 330 331 return (size ? -EFAULT : size); 332 } 333 #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x)) 334 335 static inline int 336 __copy_to_user_inatomic(void __user *to, const void *from, unsigned n) 337 { 338 339 return (copyout_nofault(from, to, n) != 0 ? n : 0); 340 } 341 #define __copy_to_user_inatomic_nocache(to, from, n) \ 342 __copy_to_user_inatomic((to), (from), (n)) 343 344 static inline unsigned long 345 __copy_from_user_inatomic(void *to, const void __user *from, 346 unsigned long n) 347 { 348 349 /* 350 * XXXKIB. Equivalent Linux function is implemented using 351 * MOVNTI for aligned moves. For unaligned head and tail, 352 * normal move is performed. As such, it is not incorrect, if 353 * only somewhat slower, to use normal copyin. All uses 354 * except shmem_pwrite_fast() have the destination mapped WC. 355 */ 356 return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0)); 357 } 358 #define __copy_from_user_inatomic_nocache(to, from, n) \ 359 __copy_from_user_inatomic((to), (from), (n)) 360 361 static inline int 362 fault_in_multipages_readable(const char __user *uaddr, int size) 363 { 364 char c; 365 int ret = 0; 366 const char __user *end = uaddr + size - 1; 367 368 if (unlikely(size == 0)) 369 return ret; 370 371 while (uaddr <= end) { 372 ret = -copyin(uaddr, &c, 1); 373 if (ret != 0) 374 return -EFAULT; 375 uaddr += PAGE_SIZE; 376 } 377 378 /* Check whether the range spilled into the next page. */ 379 if (((unsigned long)uaddr & ~PAGE_MASK) == 380 ((unsigned long)end & ~PAGE_MASK)) { 381 ret = -copyin(end, &c, 1); 382 } 383 384 return ret; 385 } 386 387 static inline int 388 fault_in_multipages_writeable(char __user *uaddr, int size) 389 { 390 int ret = 0; 391 char __user *end = uaddr + size - 1; 392 393 if (unlikely(size == 0)) 394 return ret; 395 396 /* 397 * Writing zeroes into userspace here is OK, because we know that if 398 * the zero gets there, we'll be overwriting it. 399 */ 400 while (uaddr <= end) { 401 ret = subyte(uaddr, 0); 402 if (ret != 0) 403 return -EFAULT; 404 uaddr += PAGE_SIZE; 405 } 406 407 /* Check whether the range spilled into the next page. */ 408 if (((unsigned long)uaddr & ~PAGE_MASK) == 409 ((unsigned long)end & ~PAGE_MASK)) 410 ret = subyte(end, 0); 411 412 return ret; 413 } 414 415 enum __drm_capabilities { 416 CAP_SYS_ADMIN 417 }; 418 419 static inline bool 420 capable(enum __drm_capabilities cap) 421 { 422 423 switch (cap) { 424 case CAP_SYS_ADMIN: 425 return DRM_SUSER(curthread); 426 default: 427 panic("%s: unhandled capability: %0x", __func__, cap); 428 return (false); 429 } 430 } 431 432 #define to_user_ptr(x) ((void *)(uintptr_t)(x)) 433 #define sigemptyset(set) SIGEMPTYSET(set) 434 #define sigaddset(set, sig) SIGADDSET(set, sig) 435 436 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 437 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 438 439 extern unsigned long drm_linux_timer_hz_mask; 440 #define jiffies ticks 441 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 442 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 443 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 444 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 445 #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask)) 446 #define round_jiffies_up(j) round_jiffies(j) /* TODO */ 447 #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */ 448 449 #define getrawmonotonic(ts) getnanouptime(ts) 450 451 #define wake_up(queue) wakeup_one((void *)queue) 452 #define wake_up_interruptible(queue) wakeup_one((void *)queue) 453 #define wake_up_all(queue) wakeup((void *)queue) 454 #define wake_up_interruptible_all(queue) wakeup((void *)queue) 455 456 struct completion { 457 unsigned int done; 458 struct mtx lock; 459 }; 460 461 #define INIT_COMPLETION(c) ((c).done = 0); 462 463 static inline void 464 init_completion(struct completion *c) 465 { 466 467 mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF); 468 c->done = 0; 469 } 470 471 static inline void 472 free_completion(struct completion *c) 473 { 474 475 mtx_destroy(&c->lock); 476 } 477 478 static inline void 479 complete_all(struct completion *c) 480 { 481 482 mtx_lock(&c->lock); 483 c->done++; 484 mtx_unlock(&c->lock); 485 wakeup(c); 486 } 487 488 static inline long 489 wait_for_completion_interruptible_timeout(struct completion *c, 490 unsigned long timeout) 491 { 492 unsigned long start_jiffies, elapsed_jiffies; 493 bool timeout_expired = false, awakened = false; 494 long ret = timeout; 495 496 start_jiffies = ticks; 497 498 mtx_lock(&c->lock); 499 while (c->done == 0 && !timeout_expired) { 500 ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout); 501 switch(ret) { 502 case -EWOULDBLOCK: 503 timeout_expired = true; 504 ret = 0; 505 break; 506 case -EINTR: 507 case -ERESTART: 508 ret = -ERESTARTSYS; 509 break; 510 case 0: 511 awakened = true; 512 break; 513 } 514 } 515 mtx_unlock(&c->lock); 516 517 if (awakened) { 518 elapsed_jiffies = ticks - start_jiffies; 519 ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1; 520 } 521 522 return (ret); 523 } 524 525 MALLOC_DECLARE(DRM_MEM_DMA); 526 MALLOC_DECLARE(DRM_MEM_SAREA); 527 MALLOC_DECLARE(DRM_MEM_DRIVER); 528 MALLOC_DECLARE(DRM_MEM_MAGIC); 529 MALLOC_DECLARE(DRM_MEM_MINOR); 530 MALLOC_DECLARE(DRM_MEM_IOCTLS); 531 MALLOC_DECLARE(DRM_MEM_MAPS); 532 MALLOC_DECLARE(DRM_MEM_BUFS); 533 MALLOC_DECLARE(DRM_MEM_SEGS); 534 MALLOC_DECLARE(DRM_MEM_PAGES); 535 MALLOC_DECLARE(DRM_MEM_FILES); 536 MALLOC_DECLARE(DRM_MEM_QUEUES); 537 MALLOC_DECLARE(DRM_MEM_CMDS); 538 MALLOC_DECLARE(DRM_MEM_MAPPINGS); 539 MALLOC_DECLARE(DRM_MEM_BUFLISTS); 540 MALLOC_DECLARE(DRM_MEM_AGPLISTS); 541 MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 542 MALLOC_DECLARE(DRM_MEM_SGLISTS); 543 MALLOC_DECLARE(DRM_MEM_MM); 544 MALLOC_DECLARE(DRM_MEM_HASHTAB); 545 MALLOC_DECLARE(DRM_MEM_KMS); 546 MALLOC_DECLARE(DRM_MEM_VBLANK); 547 548 #define simple_strtol(a, b, c) strtol((a), (b), (c)) 549 550 typedef struct drm_pci_id_list 551 { 552 int vendor; 553 int device; 554 long driver_private; 555 char *name; 556 } drm_pci_id_list_t; 557 558 #ifdef __i386__ 559 #define CONFIG_X86 1 560 #endif 561 #ifdef __amd64__ 562 #define CONFIG_X86 1 563 #define CONFIG_X86_64 1 564 #endif 565 #ifdef __ia64__ 566 #define CONFIG_IA64 1 567 #endif 568 569 #if defined(__i386__) || defined(__amd64__) 570 #define CONFIG_ACPI 571 #define CONFIG_DRM_I915_KMS 572 #undef CONFIG_INTEL_IOMMU 573 #endif 574 575 #ifdef COMPAT_FREEBSD32 576 #define CONFIG_COMPAT 577 #endif 578 579 #ifndef __arm__ 580 #define CONFIG_AGP 1 581 #define CONFIG_MTRR 1 582 #endif 583 584 #define CONFIG_FB 1 585 extern const char *fb_mode_option; 586 587 #undef CONFIG_DEBUG_FS 588 #undef CONFIG_VGA_CONSOLE 589 590 #define EXPORT_SYMBOL(x) 591 #define EXPORT_SYMBOL_GPL(x) 592 #define MODULE_AUTHOR(author) 593 #define MODULE_DESCRIPTION(desc) 594 #define MODULE_LICENSE(license) 595 #define MODULE_PARM_DESC(name, desc) 596 #define MODULE_DEVICE_TABLE(name, list) 597 #define module_param_named(name, var, type, perm) 598 599 #define printk printf 600 #define pr_err DRM_ERROR 601 #define pr_warn DRM_WARNING 602 #define pr_warn_once DRM_WARNING 603 #define KERN_DEBUG "" 604 605 /* I2C compatibility. */ 606 #define I2C_M_RD IIC_M_RD 607 #define I2C_M_WR IIC_M_WR 608 #define I2C_M_NOSTART IIC_M_NOSTART 609 610 struct fb_info * framebuffer_alloc(void); 611 void framebuffer_release(struct fb_info *info); 612 613 #define console_lock() 614 #define console_unlock() 615 #define console_trylock() true 616 617 #define PM_EVENT_SUSPEND 0x0002 618 #define PM_EVENT_QUIESCE 0x0008 619 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE 620 621 typedef struct pm_message { 622 int event; 623 } pm_message_t; 624 625 static inline int 626 pci_read_config_byte(device_t kdev, int where, u8 *val) 627 { 628 629 *val = (u8)pci_read_config(kdev, where, 1); 630 return (0); 631 } 632 633 static inline int 634 pci_write_config_byte(device_t kdev, int where, u8 val) 635 { 636 637 pci_write_config(kdev, where, val, 1); 638 return (0); 639 } 640 641 static inline int 642 pci_read_config_word(device_t kdev, int where, uint16_t *val) 643 { 644 645 *val = (uint16_t)pci_read_config(kdev, where, 2); 646 return (0); 647 } 648 649 static inline int 650 pci_write_config_word(device_t kdev, int where, uint16_t val) 651 { 652 653 pci_write_config(kdev, where, val, 2); 654 return (0); 655 } 656 657 static inline int 658 pci_read_config_dword(device_t kdev, int where, uint32_t *val) 659 { 660 661 *val = (uint32_t)pci_read_config(kdev, where, 4); 662 return (0); 663 } 664 665 static inline int 666 pci_write_config_dword(device_t kdev, int where, uint32_t val) 667 { 668 669 pci_write_config(kdev, where, val, 4); 670 return (0); 671 } 672 673 static inline void 674 on_each_cpu(void callback(void *data), void *data, int wait) 675 { 676 677 smp_rendezvous(NULL, callback, NULL, data); 678 } 679 680 void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, 681 int groupsize, char *linebuf, size_t linebuflen, bool ascii); 682 683 #define KIB_NOTYET() \ 684 do { \ 685 if (drm_debug && drm_notyet) \ 686 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ 687 } while (0) 688 689 #endif /* _DRM_OS_FREEBSD_H_ */ 690