bsd_kernel.h revision 306255
1/* $FreeBSD: stable/11/sys/boot/kshim/bsd_kernel.h 306255 2016-09-23 08:41:18Z hselasky $ */ 2/*- 3 * Copyright (c) 2011 Hans Petter Selasky. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#ifndef _BSD_KERNEL_H_ 28#define _BSD_KERNEL_H_ 29 30#define _KERNEL 31#undef __FreeBSD_version 32#define __FreeBSD_version 1100000 33 34#include <sys/cdefs.h> 35#include <sys/queue.h> 36#include <sys/errno.h> 37 38#define howmany(x, y) (((x)+((y)-1))/(y)) 39#define nitems(x) (sizeof((x)) / sizeof((x)[0])) 40#define isalpha(x) (((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z')) 41#define isdigit(x) ((x) >= '0' && (x) <= '9') 42#define panic(...) do { printf("USB PANIC: " __VA_ARGS__); while (1) ; } while (0) 43#define rebooting 0 44#define M_USB 0 45#define M_USBDEV 0 46#define USB_PROC_MAX 3 47#define USB_BUS_GIANT_PROC(bus) (usb_process + 2) 48#define USB_BUS_NON_GIANT_BULK_PROC(bus) (usb_process + 2) 49#define USB_BUS_NON_GIANT_ISOC_PROC(bus) (usb_process + 2) 50#define USB_BUS_EXPLORE_PROC(bus) (usb_process + 0) 51#define USB_BUS_CONTROL_XFER_PROC(bus) (usb_process + 1) 52#define SYSCTL_DECL(...) 53struct sysctl_req { 54 void *newptr; 55}; 56#define SYSCTL_HANDLER_ARGS void *oidp, void *arg1, \ 57 uint32_t arg2, struct sysctl_req *req 58#define SYSCTL_NODE(name,...) struct { } name __used 59#define SYSCTL_INT(...) 60#define SYSCTL_UINT(...) 61#define SYSCTL_PROC(...) 62#define TUNABLE_INT(...) 63#define MALLOC_DECLARE(...) 64#define MALLOC_DEFINE(...) 65#define EVENTHANDLER_DECLARE(...) 66#define EVENTHANDLER_INVOKE(...) 67#define KASSERT(...) 68#define SCHEDULER_STOPPED(x) (0) 69#define PI_SWI(...) (0) 70#define UNIQ_NAME(x) x 71#define UNIQ_NAME_STR(x) #x 72#define DEVCLASS_MAXUNIT 32 73#define MOD_LOAD 1 74#define MOD_UNLOAD 2 75#define DEVMETHOD(what,func) { #what, (void *)&func } 76#define DEVMETHOD_END {0,0} 77#define EARLY_DRIVER_MODULE(a, b, c, d, e, f, g) DRIVER_MODULE(a, b, c, d, e, f) 78#define DRIVER_MODULE(name, busname, driver, devclass, evh, arg) \ 79 static struct module_data bsd_##name##_##busname##_driver_mod = { \ 80 evh, arg, #busname, #name, #busname "/" #name, \ 81 &driver, &devclass, { 0, 0 } }; \ 82SYSINIT(bsd_##name##_##busname##_driver_mod, SI_SUB_DRIVERS, \ 83 SI_ORDER_MIDDLE, module_register, \ 84 &bsd_##name##_##busname##_driver_mod) 85#define SYSINIT(uniq, subs, order, _func, _data) \ 86const struct sysinit UNIQ_NAME(sysinit_##uniq) = { \ 87 .func = (_func), \ 88 .data = __DECONST(void *, _data) \ 89}; \ 90SYSINIT_ENTRY(uniq##_entry, "sysinit", (subs), \ 91 (order), "const struct sysinit", \ 92 UNIQ_NAME_STR(sysinit_##uniq), "SYSINIT") 93 94#define SYSUNINIT(uniq, subs, order, _func, _data) \ 95const struct sysinit UNIQ_NAME(sysuninit_##uniq) = { \ 96 .func = (_func), \ 97 .data = __DECONST(void *, _data) \ 98}; \ 99SYSINIT_ENTRY(uniq##_entry, "sysuninit", (subs), \ 100 (order), "const struct sysuninit", \ 101 UNIQ_NAME_STR(sysuninit_##uniq), "SYSUNINIT") 102#define MODULE_DEPEND(...) 103#define MODULE_VERSION(...) 104#define NULL ((void *)0) 105#define BUS_SPACE_BARRIER_READ 0x01 106#define BUS_SPACE_BARRIER_WRITE 0x02 107#define hz 1000 108#undef PAGE_SIZE 109#define PAGE_SIZE 4096 110#undef MIN 111#define MIN(a,b) (((a) < (b)) ? (a) : (b)) 112#undef MAX 113#define MAX(a,b) (((a) > (b)) ? (a) : (b)) 114#define MTX_DEF 0 115#define MTX_SPIN 0 116#define MTX_RECURSE 0 117#define SX_DUPOK 0 118#define SX_NOWITNESS 0 119#define WITNESS_WARN(...) 120#define cold 0 121#define BUS_PROBE_GENERIC 0 122#define BUS_PROBE_DEFAULT (-20) 123#define CALLOUT_RETURNUNLOCKED 0x1 124#undef ffs 125#define ffs(x) __builtin_ffs(x) 126#undef va_list 127#define va_list __builtin_va_list 128#undef va_size 129#define va_size(type) __builtin_va_size(type) 130#undef va_start 131#define va_start(ap, last) __builtin_va_start(ap, last) 132#undef va_end 133#define va_end(ap) __builtin_va_end(ap) 134#undef va_arg 135#define va_arg(ap, type) __builtin_va_arg((ap), type) 136#define DEVICE_ATTACH(dev, ...) \ 137 (((device_attach_t *)(device_get_method(dev, "device_attach")))(dev,## __VA_ARGS__)) 138#define DEVICE_DETACH(dev, ...) \ 139 (((device_detach_t *)(device_get_method(dev, "device_detach")))(dev,## __VA_ARGS__)) 140#define DEVICE_PROBE(dev, ...) \ 141 (((device_probe_t *)(device_get_method(dev, "device_probe")))(dev,## __VA_ARGS__)) 142#define DEVICE_RESUME(dev, ...) \ 143 (((device_resume_t *)(device_get_method(dev, "device_resume")))(dev,## __VA_ARGS__)) 144#define DEVICE_SHUTDOWN(dev, ...) \ 145 (((device_shutdown_t *)(device_get_method(dev, "device_shutdown")))(dev,## __VA_ARGS__)) 146#define DEVICE_SUSPEND(dev, ...) \ 147 (((device_suspend_t *)(device_get_method(dev, "device_suspend")))(dev,## __VA_ARGS__)) 148#define USB_HANDLE_REQUEST(dev, ...) \ 149 (((usb_handle_request_t *)(device_get_method(dev, "usb_handle_request")))(dev,## __VA_ARGS__)) 150#define USB_TAKE_CONTROLLER(dev, ...) \ 151 (((usb_take_controller_t *)(device_get_method(dev, "usb_take_controller")))(dev,## __VA_ARGS__)) 152#define GPIO_PIN_SET(dev, ...) \ 153 (((gpio_pin_set_t *)(device_get_method(dev, "gpio_pin_set")))(dev,## __VA_ARGS__)) 154#define GPIO_PIN_SETFLAGS(dev, ...) \ 155 (((gpio_pin_setflags_t *)(device_get_method(dev, "gpio_pin_setflags")))(dev,## __VA_ARGS__)) 156 157enum { 158 SI_SUB_DUMMY = 0x0000000, 159 SI_SUB_LOCK = 0x1B00000, 160 SI_SUB_KLD = 0x2000000, 161 SI_SUB_DRIVERS = 0x3100000, 162 SI_SUB_PSEUDO = 0x7000000, 163 SI_SUB_KICK_SCHEDULER = 0xa000000, 164 SI_SUB_RUN_SCHEDULER = 0xfffffff 165}; 166 167enum { 168 SI_ORDER_FIRST = 0x0000000, 169 SI_ORDER_SECOND = 0x0000001, 170 SI_ORDER_THIRD = 0x0000002, 171 SI_ORDER_FOURTH = 0x0000003, 172 SI_ORDER_MIDDLE = 0x1000000, 173 SI_ORDER_ANY = 0xfffffff /* last */ 174}; 175 176struct uio; 177struct thread; 178struct malloc_type; 179struct usb_process; 180 181#ifndef HAVE_STANDARD_DEFS 182#define _UINT8_T_DECLARED 183typedef unsigned char uint8_t; 184#define _INT8_T_DECLARED 185typedef signed char int8_t; 186#define _UINT16_T_DECLARED 187typedef unsigned short uint16_t; 188#define _INT16_T_DECLARED 189typedef signed short int16_t; 190#define _UINT32_T_DECLARED 191typedef unsigned int uint32_t; 192#define _INT32_T_DECLARED 193typedef signed int int32_t; 194#define _UINT64_T_DECLARED 195typedef unsigned long long uint64_t; 196#define _INT16_T_DECLARED 197typedef signed long long int64_t; 198 199typedef uint16_t uid_t; 200typedef uint16_t gid_t; 201typedef uint16_t mode_t; 202 203typedef uint8_t *caddr_t; 204#define _UINTPTR_T_DECLARED 205typedef unsigned long uintptr_t; 206 207#define _SIZE_T_DECLARED 208typedef unsigned long size_t; 209typedef unsigned long u_long; 210#endif 211 212typedef unsigned long bus_addr_t; 213typedef unsigned long bus_size_t; 214 215typedef struct bus_dma_segment { 216 bus_addr_t ds_addr; /* DMA address */ 217 bus_size_t ds_len; /* length of transfer */ 218} bus_dma_segment_t; 219 220struct bus_dma_tag { 221 uint32_t alignment; 222 uint32_t maxsize; 223}; 224 225typedef void *bus_dmamap_t; 226typedef struct bus_dma_tag *bus_dma_tag_t; 227 228typedef enum { 229 BUS_DMA_LOCK = 0x01, 230 BUS_DMA_UNLOCK = 0x02, 231} bus_dma_lock_op_t; 232 233typedef void *bus_space_tag_t; 234typedef uint8_t *bus_space_handle_t; 235typedef int bus_dma_filter_t(void *, bus_addr_t); 236typedef void bus_dma_lock_t(void *, bus_dma_lock_op_t); 237 238typedef uint32_t bool; 239 240/* SYSINIT API */ 241 242#include <sysinit.h> 243 244struct sysinit { 245 void (*func) (void *arg); 246 void *data; 247}; 248 249/* MUTEX API */ 250 251struct mtx { 252 int owned; 253 struct mtx *parent; 254}; 255 256#define mtx_assert(...) do { } while (0) 257void mtx_init(struct mtx *, const char *, const char *, int); 258void mtx_lock(struct mtx *); 259void mtx_unlock(struct mtx *); 260#define mtx_lock_spin(x) mtx_lock(x) 261#define mtx_unlock_spin(x) mtx_unlock(x) 262int mtx_owned(struct mtx *); 263void mtx_destroy(struct mtx *); 264 265extern struct mtx Giant; 266 267/* SX API */ 268 269struct sx { 270 int owned; 271}; 272 273#define sx_assert(...) do { } while (0) 274#define sx_init(...) sx_init_flags(__VA_ARGS__, 0) 275void sx_init_flags(struct sx *, const char *, int); 276void sx_destroy(struct sx *); 277void sx_xlock(struct sx *); 278void sx_xunlock(struct sx *); 279int sx_xlocked(struct sx *); 280 281/* CONDVAR API */ 282 283struct cv { 284 int sleeping; 285}; 286 287void cv_init(struct cv *, const char *desc); 288void cv_destroy(struct cv *); 289void cv_wait(struct cv *, struct mtx *); 290int cv_timedwait(struct cv *, struct mtx *, int); 291void cv_signal(struct cv *); 292void cv_broadcast(struct cv *); 293 294/* CALLOUT API */ 295 296typedef void callout_fn_t (void *); 297 298extern volatile int ticks; 299 300struct callout { 301 LIST_ENTRY(callout) entry; 302 callout_fn_t *c_func; 303 void *c_arg; 304 struct mtx *mtx; 305 int flags; 306 int timeout; 307}; 308 309void callout_init_mtx(struct callout *, struct mtx *, int); 310void callout_reset(struct callout *, int, callout_fn_t *, void *); 311void callout_stop(struct callout *); 312void callout_drain(struct callout *); 313int callout_pending(struct callout *); 314void callout_process(int timeout); 315 316/* DEVICE API */ 317 318struct driver; 319struct devclass; 320struct device; 321struct module; 322struct module_data; 323 324typedef struct driver driver_t; 325typedef struct devclass *devclass_t; 326typedef struct device *device_t; 327typedef void (driver_intr_t)(void *arg); 328typedef int (driver_filter_t)(void *arg); 329#define FILTER_STRAY 0x01 330#define FILTER_HANDLED 0x02 331#define FILTER_SCHEDULE_THREAD 0x04 332 333typedef int device_attach_t (device_t dev); 334typedef int device_detach_t (device_t dev); 335typedef int device_resume_t (device_t dev); 336typedef int device_shutdown_t (device_t dev); 337typedef int device_probe_t (device_t dev); 338typedef int device_suspend_t (device_t dev); 339typedef int gpio_pin_set_t (device_t dev, uint32_t, unsigned int); 340typedef int gpio_pin_setflags_t (device_t dev, uint32_t, uint32_t); 341 342typedef int bus_child_location_str_t (device_t parent, device_t child, char *buf, size_t buflen); 343typedef int bus_child_pnpinfo_str_t (device_t parent, device_t child, char *buf, size_t buflen); 344typedef void bus_driver_added_t (device_t dev, driver_t *driver); 345 346struct device_method { 347 const char *desc; 348 void *const func; 349}; 350 351typedef struct device_method device_method_t; 352 353struct device { 354 TAILQ_HEAD(device_list, device) dev_children; 355 TAILQ_ENTRY(device) dev_link; 356 357 struct device *dev_parent; 358 const struct module_data *dev_module; 359 void *dev_sc; 360 void *dev_aux; 361 driver_filter_t *dev_irq_filter; 362 driver_intr_t *dev_irq_fn; 363 void *dev_irq_arg; 364 365 uint16_t dev_unit; 366 367 char dev_nameunit[64]; 368 char dev_desc[64]; 369 370 uint8_t dev_res_alloc:1; 371 uint8_t dev_quiet:1; 372 uint8_t dev_softc_set:1; 373 uint8_t dev_softc_alloc:1; 374 uint8_t dev_attached:1; 375 uint8_t dev_fixed_class:1; 376 uint8_t dev_unit_manual:1; 377}; 378 379struct devclass { 380 device_t dev_list[DEVCLASS_MAXUNIT]; 381}; 382 383struct driver { 384 const char *name; 385 const struct device_method *methods; 386 uint32_t size; 387}; 388 389struct module_data { 390 int (*callback) (struct module *, int, void *arg); 391 void *arg; 392 const char *bus_name; 393 const char *mod_name; 394 const char *long_name; 395 const struct driver *driver; 396 struct devclass **devclass_pp; 397 TAILQ_ENTRY(module_data) entry; 398}; 399 400device_t device_get_parent(device_t dev); 401void *device_get_method(device_t dev, const char *what); 402const char *device_get_name(device_t dev); 403const char *device_get_nameunit(device_t dev); 404 405#define device_printf(dev, fmt,...) \ 406 printf("%s: " fmt, device_get_nameunit(dev),## __VA_ARGS__) 407device_t device_add_child(device_t dev, const char *name, int unit); 408void device_quiet(device_t dev); 409void device_set_interrupt(device_t dev, driver_filter_t *, driver_intr_t *, void *); 410void device_run_interrupts(device_t parent); 411void device_set_ivars(device_t dev, void *ivars); 412void *device_get_ivars(device_t dev); 413const char *device_get_desc(device_t dev); 414int device_probe_and_attach(device_t dev); 415int device_detach(device_t dev); 416void *device_get_softc(device_t dev); 417void device_set_softc(device_t dev, void *softc); 418int device_delete_child(device_t dev, device_t child); 419int device_delete_children(device_t dev); 420int device_is_attached(device_t dev); 421void device_set_desc(device_t dev, const char *desc); 422void device_set_desc_copy(device_t dev, const char *desc); 423int device_get_unit(device_t dev); 424void *devclass_get_softc(devclass_t dc, int unit); 425int devclass_get_maxunit(devclass_t dc); 426device_t devclass_get_device(devclass_t dc, int unit); 427devclass_t devclass_find(const char *classname); 428 429#define bus_get_dma_tag(...) (NULL) 430int bus_generic_detach(device_t dev); 431int bus_generic_resume(device_t dev); 432int bus_generic_shutdown(device_t dev); 433int bus_generic_suspend(device_t dev); 434int bus_generic_print_child(device_t dev, device_t child); 435void bus_generic_driver_added(device_t dev, driver_t *driver); 436int bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh, 437 bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp); 438 439/* BUS SPACE API */ 440 441void bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t data); 442void bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t data); 443void bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t data); 444 445uint8_t bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset); 446uint16_t bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset); 447uint32_t bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset); 448 449void bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count); 450void bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count); 451void bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count); 452 453void bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t *datap, bus_size_t count); 454void bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t *datap, bus_size_t count); 455void bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t *datap, bus_size_t count); 456 457void bus_space_read_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count); 458void bus_space_write_region_1(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint8_t *datap, bus_size_t count); 459void bus_space_read_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count); 460void bus_space_write_region_4(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, uint32_t *datap, bus_size_t count); 461 462void bus_space_barrier(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, bus_size_t length, int flags); 463 464void module_register(void *); 465 466/* LIB-C */ 467 468void *memset(void *, int, size_t len); 469void *memcpy(void *, const void *, size_t len); 470int printf(const char *,...) __printflike(1, 2); 471int snprintf(char *restrict str, size_t size, const char *restrict format,...) __printflike(3, 4); 472size_t strlen(const char *s); 473 474/* MALLOC API */ 475 476#undef malloc 477#define malloc(s,x,f) usb_malloc(s) 478void *usb_malloc(size_t); 479 480#undef free 481#define free(p,x) usb_free(p) 482void usb_free(void *); 483 484#define strdup(p,x) usb_strdup(p) 485char *usb_strdup(const char *str); 486 487/* ENDIANNESS */ 488 489#ifndef HAVE_ENDIAN_DEFS 490 491/* Assume little endian */ 492 493#define htole64(x) ((uint64_t)(x)) 494#define le64toh(x) ((uint64_t)(x)) 495 496#define htole32(x) ((uint32_t)(x)) 497#define le32toh(x) ((uint32_t)(x)) 498 499#define htole16(x) ((uint16_t)(x)) 500#define le16toh(x) ((uint16_t)(x)) 501 502#define be32toh(x) ((uint32_t)(x)) 503#define htobe32(x) ((uint32_t)(x)) 504 505#else 506#include <sys/endian.h> 507#endif 508 509/* USB */ 510 511typedef int usb_handle_request_t (device_t dev, const void *req, void **pptr, uint16_t *plen, uint16_t offset, uint8_t *pstate); 512typedef int usb_take_controller_t (device_t dev); 513 514void usb_idle(void); 515void usb_init(void); 516void usb_uninit(void); 517 518/* set some defaults */ 519 520#ifndef USB_POOL_SIZE 521#define USB_POOL_SIZE (1024*1024) /* 1 MByte */ 522#endif 523 524int pause(const char *, int); 525void DELAY(unsigned int); 526 527/* OTHER */ 528 529struct selinfo { 530}; 531 532/* SYSTEM STARTUP API */ 533 534extern const void *sysinit_data[]; 535extern const void *sysuninit_data[]; 536 537/* Resources */ 538 539enum intr_type { 540 INTR_TYPE_TTY = 1, 541 INTR_TYPE_BIO = 2, 542 INTR_TYPE_NET = 4, 543 INTR_TYPE_CAM = 8, 544 INTR_TYPE_MISC = 16, 545 INTR_TYPE_CLK = 32, 546 INTR_TYPE_AV = 64, 547 INTR_EXCL = 256, /* exclusive interrupt */ 548 INTR_MPSAFE = 512, /* this interrupt is SMP safe */ 549 INTR_ENTROPY = 1024, /* this interrupt provides entropy */ 550 INTR_MD1 = 4096, /* flag reserved for MD use */ 551 INTR_MD2 = 8192, /* flag reserved for MD use */ 552 INTR_MD3 = 16384, /* flag reserved for MD use */ 553 INTR_MD4 = 32768 /* flag reserved for MD use */ 554}; 555 556struct resource_i { 557 u_long r_start; /* index of the first entry in this resource */ 558 u_long r_end; /* index of the last entry (inclusive) */ 559}; 560 561struct resource { 562 struct resource_i *__r_i; 563 bus_space_tag_t r_bustag; /* bus_space tag */ 564 bus_space_handle_t r_bushandle; /* bus_space handle */ 565}; 566 567struct resource_spec { 568 int type; 569 int rid; 570 int flags; 571}; 572 573#define SYS_RES_IRQ 1 /* interrupt lines */ 574#define SYS_RES_DRQ 2 /* isa dma lines */ 575#define SYS_RES_MEMORY 3 /* i/o memory */ 576#define SYS_RES_IOPORT 4 /* i/o ports */ 577 578#define RF_ALLOCATED 0x0001 /* resource has been reserved */ 579#define RF_ACTIVE 0x0002 /* resource allocation has been activated */ 580#define RF_SHAREABLE 0x0004 /* resource permits contemporaneous sharing */ 581#define RF_SPARE1 0x0008 582#define RF_SPARE2 0x0010 583#define RF_FIRSTSHARE 0x0020 /* first in sharing list */ 584#define RF_PREFETCHABLE 0x0040 /* resource is prefetchable */ 585#define RF_OPTIONAL 0x0080 /* for bus_alloc_resources() */ 586 587int bus_alloc_resources(device_t, struct resource_spec *, struct resource **); 588int bus_release_resource(device_t, int, int, struct resource *); 589void bus_release_resources(device_t, const struct resource_spec *, 590 struct resource **); 591struct resource *bus_alloc_resource_any(device_t, int, int *, unsigned int); 592int bus_generic_attach(device_t); 593bus_space_tag_t rman_get_bustag(struct resource *); 594bus_space_handle_t rman_get_bushandle(struct resource *); 595u_long rman_get_size(struct resource *); 596int bus_setup_intr(device_t, struct resource *, int, driver_filter_t, 597 driver_intr_t, void *, void **); 598int bus_teardown_intr(device_t, struct resource *, void *); 599int ofw_bus_status_okay(device_t); 600int ofw_bus_is_compatible(device_t, char *); 601 602extern int (*bus_alloc_resource_any_cb)(struct resource *res, device_t dev, 603 int type, int *rid, unsigned int flags); 604extern int (*ofw_bus_status_ok_cb)(device_t dev); 605extern int (*ofw_bus_is_compatible_cb)(device_t dev, char *name); 606 607#ifndef strlcpy 608#define strlcpy(d,s,n) snprintf((d),(n),"%s",(s)) 609#endif 610 611/* Should be defined in user application since it is machine-dependent */ 612extern int delay(unsigned int); 613 614/* BUS dma */ 615#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 616#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 617#define BUS_SPACE_MAXADDR 0xFFFFFFFF 618#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 619#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 620#define BUS_SPACE_MAXSIZE 0xFFFFFFFF 621 622#define BUS_DMA_WAITOK 0x00 /* safe to sleep (pseudo-flag) */ 623#define BUS_DMA_NOWAIT 0x01 /* not safe to sleep */ 624#define BUS_DMA_ALLOCNOW 0x02 /* perform resource allocation now */ 625#define BUS_DMA_COHERENT 0x04 /* hint: map memory in a coherent way */ 626#define BUS_DMA_ZERO 0x08 /* allocate zero'ed memory */ 627#define BUS_DMA_BUS1 0x10 /* placeholders for bus functions... */ 628#define BUS_DMA_BUS2 0x20 629#define BUS_DMA_BUS3 0x40 630#define BUS_DMA_BUS4 0x80 631 632typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int); 633 634int 635bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment, 636 bus_size_t boundary, bus_addr_t lowaddr, 637 bus_addr_t highaddr, bus_dma_filter_t *filter, 638 void *filterarg, bus_size_t maxsize, int nsegments, 639 bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc, 640 void *lockfuncarg, bus_dma_tag_t *dmat); 641 642int bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags, 643 bus_dmamap_t *mapp); 644void bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map); 645int bus_dma_tag_destroy(bus_dma_tag_t dmat); 646 647#endif /* _BSD_KERNEL_H_ */ 648