xref: /freebsd/stand/kshim/bsd_kernel.h (revision 0957b409)
1 /* $FreeBSD$ */
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(...)
53 struct sysctl_ctx_list {
54 };
55 struct sysctl_req {
56 	void		*newptr;
57 };
58 #define	SYSCTL_HANDLER_ARGS void *oidp, void *arg1,	\
59 	uint32_t arg2, struct sysctl_req *req
60 #define	SYSCTL_NODE(name,...) struct { } name __used
61 #define	SYSCTL_INT(...)
62 #define	SYSCTL_UINT(...)
63 #define	SYSCTL_PROC(...)
64 #define	SYSCTL_ADD_NODE(...) NULL
65 #define	SYSCTL_ADD_U16(...) NULL
66 #define	SYSCTL_ADD_PROC(...) NULL
67 #define	sysctl_handle_int(...) EOPNOTSUPP
68 #define	sysctl_handle_string(...) EOPNOTSUPP
69 #define	sysctl_ctx_init(ctx) do { (void)(ctx); } while (0)
70 #define	sysctl_ctx_free(ctx) do { (void)(ctx); } while (0)
71 #define	TUNABLE_INT(...)
72 #define	MALLOC_DECLARE(...)
73 #define	MALLOC_DEFINE(...)
74 #define	EVENTHANDLER_DECLARE(...)
75 #define	EVENTHANDLER_INVOKE(...)
76 #define	KASSERT(...)
77 #define	SCHEDULER_STOPPED(x) (0)
78 #define	PI_SWI(...) (0)
79 #define	UNIQ_NAME(x) x
80 #define	UNIQ_NAME_STR(x) #x
81 #define	DEVCLASS_MAXUNIT 32
82 #define	MOD_LOAD 1
83 #define	MOD_UNLOAD 2
84 #define	DEVMETHOD(what,func) { #what, (void *)&func }
85 #define	DEVMETHOD_END {0,0}
86 #define	EARLY_DRIVER_MODULE(a, b, c, d, e, f, g)	DRIVER_MODULE(a, b, c, d, e, f)
87 #define	DRIVER_MODULE(name, busname, driver, devclass, evh, arg)	\
88   static struct module_data bsd_##name##_##busname##_driver_mod = {	\
89 	evh, arg, #busname, #name, #busname "/" #name,			\
90 	&driver, &devclass, { 0, 0 } };					\
91 SYSINIT(bsd_##name##_##busname##_driver_mod, SI_SUB_DRIVERS,		\
92   SI_ORDER_MIDDLE, module_register,					\
93   &bsd_##name##_##busname##_driver_mod)
94 #define	SYSINIT(uniq, subs, order, _func, _data)	\
95 const struct sysinit UNIQ_NAME(sysinit_##uniq) = {	\
96 	.func = (_func),				\
97 	.data = __DECONST(void *, _data)		\
98 };							\
99 SYSINIT_ENTRY(uniq##_entry, "sysinit", (subs),		\
100     (order), "const struct sysinit",			\
101     UNIQ_NAME_STR(sysinit_##uniq), "SYSINIT")
102 
103 #define	SYSUNINIT(uniq, subs, order, _func, _data)	\
104 const struct sysinit UNIQ_NAME(sysuninit_##uniq) = {	\
105 	.func = (_func),				\
106 	.data = __DECONST(void *, _data)		\
107 };							\
108 SYSINIT_ENTRY(uniq##_entry, "sysuninit", (subs),	\
109     (order), "const struct sysuninit",			\
110     UNIQ_NAME_STR(sysuninit_##uniq), "SYSUNINIT")
111 #define	MODULE_DEPEND(...)
112 #define	MODULE_VERSION(...)
113 #define	NULL ((void *)0)
114 #define	BUS_SPACE_BARRIER_READ 0x01
115 #define	BUS_SPACE_BARRIER_WRITE 0x02
116 #define	hz 1000
117 #undef PAGE_SIZE
118 #define	PAGE_SIZE 4096
119 #undef MIN
120 #define	MIN(a,b) (((a) < (b)) ? (a) : (b))
121 #undef MAX
122 #define	MAX(a,b) (((a) > (b)) ? (a) : (b))
123 #define	MTX_DEF 0
124 #define	MTX_SPIN 0
125 #define	MTX_RECURSE 0
126 #define	SX_DUPOK 0
127 #define	SX_NOWITNESS 0
128 #define	WITNESS_WARN(...)
129 #define	cold 0
130 #define	BUS_PROBE_GENERIC 0
131 #define	BUS_PROBE_DEFAULT (-20)
132 #define	CALLOUT_RETURNUNLOCKED 0x1
133 #undef ffs
134 #define	ffs(x) __builtin_ffs(x)
135 #undef va_list
136 #define	va_list __builtin_va_list
137 #undef va_size
138 #define	va_size(type) __builtin_va_size(type)
139 #undef va_start
140 #define	va_start(ap, last) __builtin_va_start(ap, last)
141 #undef va_end
142 #define	va_end(ap) __builtin_va_end(ap)
143 #undef va_arg
144 #define	va_arg(ap, type) __builtin_va_arg((ap), type)
145 #define	DEVICE_ATTACH(dev, ...) \
146   (((device_attach_t *)(device_get_method(dev, "device_attach")))(dev,## __VA_ARGS__))
147 #define	DEVICE_DETACH(dev, ...) \
148   (((device_detach_t *)(device_get_method(dev, "device_detach")))(dev,## __VA_ARGS__))
149 #define	DEVICE_PROBE(dev, ...) \
150   (((device_probe_t *)(device_get_method(dev, "device_probe")))(dev,## __VA_ARGS__))
151 #define	DEVICE_RESUME(dev, ...) \
152   (((device_resume_t *)(device_get_method(dev, "device_resume")))(dev,## __VA_ARGS__))
153 #define	DEVICE_SHUTDOWN(dev, ...) \
154   (((device_shutdown_t *)(device_get_method(dev, "device_shutdown")))(dev,## __VA_ARGS__))
155 #define	DEVICE_SUSPEND(dev, ...) \
156   (((device_suspend_t *)(device_get_method(dev, "device_suspend")))(dev,## __VA_ARGS__))
157 #define	USB_HANDLE_REQUEST(dev, ...) \
158   (((usb_handle_request_t *)(device_get_method(dev, "usb_handle_request")))(dev,## __VA_ARGS__))
159 #define	USB_TAKE_CONTROLLER(dev, ...) \
160   (((usb_take_controller_t *)(device_get_method(dev, "usb_take_controller")))(dev,## __VA_ARGS__))
161 #define	GPIO_PIN_SET(dev, ...) \
162   (((gpio_pin_set_t *)(device_get_method(dev, "gpio_pin_set")))(dev,## __VA_ARGS__))
163 #define	GPIO_PIN_SETFLAGS(dev, ...) \
164   (((gpio_pin_setflags_t *)(device_get_method(dev, "gpio_pin_setflags")))(dev,## __VA_ARGS__))
165 
166 enum {
167 	SI_SUB_DUMMY = 0x0000000,
168 	SI_SUB_LOCK = 0x1B00000,
169 	SI_SUB_KLD = 0x2000000,
170 	SI_SUB_DRIVERS = 0x3100000,
171 	SI_SUB_PSEUDO = 0x7000000,
172 	SI_SUB_KICK_SCHEDULER = 0xa000000,
173 	SI_SUB_RUN_SCHEDULER = 0xfffffff
174 };
175 
176 enum {
177 	SI_ORDER_FIRST = 0x0000000,
178 	SI_ORDER_SECOND = 0x0000001,
179 	SI_ORDER_THIRD = 0x0000002,
180 	SI_ORDER_FOURTH = 0x0000003,
181 	SI_ORDER_MIDDLE = 0x1000000,
182 	SI_ORDER_ANY = 0xfffffff	/* last */
183 };
184 
185 struct uio;
186 struct thread;
187 struct malloc_type;
188 struct usb_process;
189 
190 #ifndef INT32_MAX
191 #define	INT32_MAX 0x7fffffff
192 #endif
193 
194 #ifndef HAVE_STANDARD_DEFS
195 #define	_UINT8_T_DECLARED
196 typedef unsigned char uint8_t;
197 #define	_INT8_T_DECLARED
198 typedef signed char int8_t;
199 #define	_UINT16_T_DECLARED
200 typedef unsigned short uint16_t;
201 #define	_INT16_T_DECLARED
202 typedef signed short int16_t;
203 #define	_UINT32_T_DECLARED
204 typedef unsigned int uint32_t;
205 #define	_INT32_T_DECLARED
206 typedef signed int int32_t;
207 #define	_UINT64_T_DECLARED
208 typedef unsigned long long uint64_t;
209 #define	_INT16_T_DECLARED
210 typedef signed long long int64_t;
211 
212 typedef uint16_t uid_t;
213 typedef uint16_t gid_t;
214 typedef uint16_t mode_t;
215 
216 typedef uint8_t *caddr_t;
217 #define	_UINTPTR_T_DECLARED
218 typedef unsigned long uintptr_t;
219 
220 #define	_SIZE_T_DECLARED
221 typedef unsigned long size_t;
222 typedef unsigned long u_long;
223 #endif
224 
225 typedef unsigned long bus_addr_t;
226 typedef unsigned long bus_size_t;
227 
228 typedef struct bus_dma_segment {
229 	bus_addr_t	ds_addr;	/* DMA address */
230 	bus_size_t	ds_len;		/* length of transfer */
231 } bus_dma_segment_t;
232 
233 struct bus_dma_tag {
234 	uint32_t	alignment;
235 	uint32_t	maxsize;
236 };
237 
238 typedef void *bus_dmamap_t;
239 typedef struct bus_dma_tag *bus_dma_tag_t;
240 
241 typedef enum {
242 	BUS_DMA_LOCK	= 0x01,
243 	BUS_DMA_UNLOCK	= 0x02,
244 } bus_dma_lock_op_t;
245 
246 typedef void *bus_space_tag_t;
247 typedef uint8_t *bus_space_handle_t;
248 typedef int bus_dma_filter_t(void *, bus_addr_t);
249 typedef void bus_dma_lock_t(void *, bus_dma_lock_op_t);
250 
251 typedef uint32_t bool;
252 
253 /* SYSINIT API */
254 
255 #include <sysinit.h>
256 
257 struct sysinit {
258 	void    (*func) (void *arg);
259 	void   *data;
260 };
261 
262 /* MUTEX API */
263 
264 struct mtx {
265 	int	owned;
266 	struct mtx *parent;
267 };
268 
269 #define	mtx_assert(...) do { } while (0)
270 void	mtx_init(struct mtx *, const char *, const char *, int);
271 void	mtx_lock(struct mtx *);
272 void	mtx_unlock(struct mtx *);
273 #define	mtx_lock_spin(x) mtx_lock(x)
274 #define	mtx_unlock_spin(x) mtx_unlock(x)
275 int	mtx_owned(struct mtx *);
276 void	mtx_destroy(struct mtx *);
277 
278 extern struct mtx Giant;
279 
280 /* SX API */
281 
282 struct sx {
283 	int	owned;
284 };
285 
286 #define	sx_assert(...) do { } while (0)
287 #define	sx_init(...) sx_init_flags(__VA_ARGS__, 0)
288 void	sx_init_flags(struct sx *, const char *, int);
289 void	sx_destroy(struct sx *);
290 void	sx_xlock(struct sx *);
291 void	sx_xunlock(struct sx *);
292 int	sx_xlocked(struct sx *);
293 
294 /* CONDVAR API */
295 
296 struct cv {
297 	int	sleeping;
298 };
299 
300 void	cv_init(struct cv *, const char *desc);
301 void	cv_destroy(struct cv *);
302 void	cv_wait(struct cv *, struct mtx *);
303 int	cv_timedwait(struct cv *, struct mtx *, int);
304 void	cv_signal(struct cv *);
305 void	cv_broadcast(struct cv *);
306 
307 /* CALLOUT API */
308 
309 typedef void callout_fn_t (void *);
310 
311 extern volatile int ticks;
312 
313 struct callout {
314 	LIST_ENTRY(callout) entry;
315 	callout_fn_t *c_func;
316 	void   *c_arg;
317 	struct mtx *mtx;
318 	int	flags;
319 	int	timeout;
320 };
321 
322 void	callout_init_mtx(struct callout *, struct mtx *, int);
323 void	callout_reset(struct callout *, int, callout_fn_t *, void *);
324 void	callout_stop(struct callout *);
325 void	callout_drain(struct callout *);
326 int	callout_pending(struct callout *);
327 void	callout_process(int timeout);
328 
329 /* DEVICE API */
330 
331 struct driver;
332 struct devclass;
333 struct device;
334 struct module;
335 struct module_data;
336 
337 typedef struct driver driver_t;
338 typedef struct devclass *devclass_t;
339 typedef struct device *device_t;
340 typedef void (driver_intr_t)(void *arg);
341 typedef int (driver_filter_t)(void *arg);
342 #define	FILTER_STRAY		0x01
343 #define	FILTER_HANDLED		0x02
344 #define	FILTER_SCHEDULE_THREAD	0x04
345 
346 typedef int device_attach_t (device_t dev);
347 typedef int device_detach_t (device_t dev);
348 typedef int device_resume_t (device_t dev);
349 typedef int device_shutdown_t (device_t dev);
350 typedef int device_probe_t (device_t dev);
351 typedef int device_suspend_t (device_t dev);
352 typedef int gpio_pin_set_t (device_t dev, uint32_t, unsigned int);
353 typedef int gpio_pin_setflags_t (device_t dev, uint32_t, uint32_t);
354 
355 typedef int bus_child_location_str_t (device_t parent, device_t child, char *buf, size_t buflen);
356 typedef int bus_child_pnpinfo_str_t (device_t parent, device_t child, char *buf, size_t buflen);
357 typedef void bus_driver_added_t (device_t dev, driver_t *driver);
358 
359 struct device_method {
360 	const char *desc;
361 	void   *const func;
362 };
363 
364 typedef struct device_method device_method_t;
365 
366 struct device {
367 	TAILQ_HEAD(device_list, device) dev_children;
368 	TAILQ_ENTRY(device) dev_link;
369 
370 	struct device *dev_parent;
371 	const struct module_data *dev_module;
372 	void   *dev_sc;
373 	void   *dev_aux;
374 	driver_filter_t *dev_irq_filter;
375 	driver_intr_t *dev_irq_fn;
376 	void   *dev_irq_arg;
377 
378 	uint16_t dev_unit;
379 
380 	char	dev_nameunit[64];
381 	char	dev_desc[64];
382 
383 	uint8_t	dev_res_alloc:1;
384 	uint8_t	dev_quiet:1;
385 	uint8_t	dev_softc_set:1;
386 	uint8_t	dev_softc_alloc:1;
387 	uint8_t	dev_attached:1;
388 	uint8_t	dev_fixed_class:1;
389 	uint8_t	dev_unit_manual:1;
390 };
391 
392 struct devclass {
393 	device_t dev_list[DEVCLASS_MAXUNIT];
394 };
395 
396 struct driver {
397 	const char *name;
398 	const struct device_method *methods;
399 	uint32_t size;
400 };
401 
402 struct module_data {
403 	int     (*callback) (struct module *, int, void *arg);
404 	void   *arg;
405 	const char *bus_name;
406 	const char *mod_name;
407 	const char *long_name;
408 	const struct driver *driver;
409 	struct devclass **devclass_pp;
410 	TAILQ_ENTRY(module_data) entry;
411 };
412 
413 device_t device_get_parent(device_t dev);
414 void   *device_get_method(device_t dev, const char *what);
415 const char *device_get_name(device_t dev);
416 const char *device_get_nameunit(device_t dev);
417 
418 #define	device_printf(dev, fmt,...) \
419 	printf("%s: " fmt, device_get_nameunit(dev),## __VA_ARGS__)
420 device_t device_add_child(device_t dev, const char *name, int unit);
421 void	device_quiet(device_t dev);
422 void	device_set_interrupt(device_t dev, driver_filter_t *, driver_intr_t *, void *);
423 void	device_run_interrupts(device_t parent);
424 void	device_set_ivars(device_t dev, void *ivars);
425 void   *device_get_ivars(device_t dev);
426 const char *device_get_desc(device_t dev);
427 int	device_probe_and_attach(device_t dev);
428 int	device_detach(device_t dev);
429 void   *device_get_softc(device_t dev);
430 void	device_set_softc(device_t dev, void *softc);
431 int	device_delete_child(device_t dev, device_t child);
432 int	device_delete_children(device_t dev);
433 int	device_is_attached(device_t dev);
434 void	device_set_desc(device_t dev, const char *desc);
435 void	device_set_desc_copy(device_t dev, const char *desc);
436 int	device_get_unit(device_t dev);
437 void   *devclass_get_softc(devclass_t dc, int unit);
438 int	devclass_get_maxunit(devclass_t dc);
439 device_t devclass_get_device(devclass_t dc, int unit);
440 devclass_t devclass_find(const char *classname);
441 
442 #define	bus_get_dma_tag(...) (NULL)
443 int	bus_generic_detach(device_t dev);
444 int	bus_generic_resume(device_t dev);
445 int	bus_generic_shutdown(device_t dev);
446 int	bus_generic_suspend(device_t dev);
447 int	bus_generic_print_child(device_t dev, device_t child);
448 void	bus_generic_driver_added(device_t dev, driver_t *driver);
449 int	bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
450     bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp);
451 
452 /* BUS SPACE API */
453 
454 void	bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t data);
455 void	bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t data);
456 void	bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t data);
457 
458 uint8_t	bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
459 uint16_t bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
460 uint32_t bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
461 
462 void	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);
463 void	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);
464 void	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);
465 
466 void	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);
467 void	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);
468 void	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);
469 
470 void	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);
471 void	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);
472 void	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);
473 void	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);
474 
475 void	bus_space_barrier(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, bus_size_t length, int flags);
476 
477 void	module_register(void *);
478 
479 /* LIB-C */
480 
481 void   *memset(void *, int, size_t len);
482 void   *memcpy(void *, const void *, size_t len);
483 int	printf(const char *,...) __printflike(1, 2);
484 int	snprintf(char *restrict str, size_t size, const char *restrict format,...) __printflike(3, 4);
485 size_t	strlen(const char *s);
486 
487 /* MALLOC API */
488 
489 #undef malloc
490 #define	malloc(s,x,f) usb_malloc(s)
491 void   *usb_malloc(size_t);
492 
493 #undef free
494 #define	free(p,x) usb_free(p)
495 void	usb_free(void *);
496 
497 #define	strdup(p,x) usb_strdup(p)
498 char   *usb_strdup(const char *str);
499 
500 /* ENDIANNESS */
501 
502 #ifndef HAVE_ENDIAN_DEFS
503 
504 /* Assume little endian */
505 
506 #define	htole64(x) ((uint64_t)(x))
507 #define	le64toh(x) ((uint64_t)(x))
508 
509 #define	htole32(x) ((uint32_t)(x))
510 #define	le32toh(x) ((uint32_t)(x))
511 
512 #define	htole16(x) ((uint16_t)(x))
513 #define	le16toh(x) ((uint16_t)(x))
514 
515 #define	be32toh(x) ((uint32_t)(x))
516 #define	htobe32(x) ((uint32_t)(x))
517 
518 #else
519 #include <sys/endian.h>
520 #endif
521 
522 /* USB */
523 
524 typedef int usb_handle_request_t (device_t dev, const void *req, void **pptr, uint16_t *plen, uint16_t offset, uint8_t *pstate);
525 typedef int usb_take_controller_t (device_t dev);
526 
527 void	usb_idle(void);
528 void	usb_init(void);
529 void	usb_uninit(void);
530 
531 /* set some defaults */
532 
533 #ifndef USB_POOL_SIZE
534 #define	USB_POOL_SIZE (1024*1024)	/* 1 MByte */
535 #endif
536 
537 int	pause(const char *, int);
538 void	DELAY(unsigned int);
539 
540 /* OTHER */
541 
542 struct selinfo {
543 };
544 
545 /* SYSTEM STARTUP API */
546 
547 extern const void *sysinit_data[];
548 extern const void *sysuninit_data[];
549 
550 /* Resources */
551 
552 enum intr_type {
553 	INTR_TYPE_TTY = 1,
554 	INTR_TYPE_BIO = 2,
555 	INTR_TYPE_NET = 4,
556 	INTR_TYPE_CAM = 8,
557 	INTR_TYPE_MISC = 16,
558 	INTR_TYPE_CLK = 32,
559 	INTR_TYPE_AV = 64,
560 	INTR_EXCL = 256,		/* exclusive interrupt */
561 	INTR_MPSAFE = 512,		/* this interrupt is SMP safe */
562 	INTR_ENTROPY = 1024,		/* this interrupt provides entropy */
563 	INTR_MD1 = 4096,		/* flag reserved for MD use */
564 	INTR_MD2 = 8192,		/* flag reserved for MD use */
565 	INTR_MD3 = 16384,		/* flag reserved for MD use */
566 	INTR_MD4 = 32768		/* flag reserved for MD use */
567 };
568 
569 struct resource_i {
570 	u_long		r_start;	/* index of the first entry in this resource */
571 	u_long		r_end;		/* index of the last entry (inclusive) */
572 };
573 
574 struct resource {
575 	struct resource_i	*__r_i;
576 	bus_space_tag_t		r_bustag; /* bus_space tag */
577 	bus_space_handle_t	r_bushandle;	/* bus_space handle */
578 };
579 
580 struct resource_spec {
581 	int	type;
582 	int	rid;
583 	int	flags;
584 };
585 
586 #define	SYS_RES_IRQ	1	/* interrupt lines */
587 #define	SYS_RES_DRQ	2	/* isa dma lines */
588 #define	SYS_RES_MEMORY	3	/* i/o memory */
589 #define	SYS_RES_IOPORT	4	/* i/o ports */
590 
591 #define	RF_ALLOCATED	0x0001	/* resource has been reserved */
592 #define	RF_ACTIVE	0x0002	/* resource allocation has been activated */
593 #define	RF_SHAREABLE	0x0004	/* resource permits contemporaneous sharing */
594 #define	RF_SPARE1	0x0008
595 #define	RF_SPARE2	0x0010
596 #define	RF_FIRSTSHARE	0x0020	/* first in sharing list */
597 #define	RF_PREFETCHABLE	0x0040	/* resource is prefetchable */
598 #define	RF_OPTIONAL	0x0080	/* for bus_alloc_resources() */
599 
600 int bus_alloc_resources(device_t, struct resource_spec *, struct resource **);
601 int bus_release_resource(device_t, int, int, struct resource *);
602 void bus_release_resources(device_t, const struct resource_spec *,
603     struct resource **);
604 struct resource *bus_alloc_resource_any(device_t, int, int *, unsigned int);
605 int bus_generic_attach(device_t);
606 bus_space_tag_t rman_get_bustag(struct resource *);
607 bus_space_handle_t rman_get_bushandle(struct resource *);
608 u_long rman_get_size(struct resource *);
609 int bus_setup_intr(device_t, struct resource *, int, driver_filter_t,
610     driver_intr_t, void *, void **);
611 int bus_teardown_intr(device_t, struct resource *, void *);
612 int ofw_bus_status_okay(device_t);
613 int ofw_bus_is_compatible(device_t, char *);
614 
615 extern int (*bus_alloc_resource_any_cb)(struct resource *res, device_t dev,
616     int type, int *rid, unsigned int flags);
617 extern int (*ofw_bus_status_ok_cb)(device_t dev);
618 extern int (*ofw_bus_is_compatible_cb)(device_t dev, char *name);
619 
620 #ifndef strlcpy
621 #define	strlcpy(d,s,n) snprintf((d),(n),"%s",(s))
622 #endif
623 
624 /* Should be defined in user application since it is machine-dependent */
625 extern int delay(unsigned int);
626 
627 /* BUS dma */
628 #define	BUS_SPACE_MAXADDR_24BIT	0xFFFFFF
629 #define	BUS_SPACE_MAXADDR_32BIT	0xFFFFFFFF
630 #define	BUS_SPACE_MAXADDR	0xFFFFFFFF
631 #define	BUS_SPACE_MAXSIZE_24BIT	0xFFFFFF
632 #define	BUS_SPACE_MAXSIZE_32BIT	0xFFFFFFFF
633 #define	BUS_SPACE_MAXSIZE	0xFFFFFFFF
634 
635 #define	BUS_DMA_WAITOK		0x00	/* safe to sleep (pseudo-flag) */
636 #define	BUS_DMA_NOWAIT		0x01	/* not safe to sleep */
637 #define	BUS_DMA_ALLOCNOW	0x02	/* perform resource allocation now */
638 #define	BUS_DMA_COHERENT	0x04	/* hint: map memory in a coherent way */
639 #define	BUS_DMA_ZERO		0x08	/* allocate zero'ed memory */
640 #define	BUS_DMA_BUS1		0x10	/* placeholders for bus functions... */
641 #define	BUS_DMA_BUS2		0x20
642 #define	BUS_DMA_BUS3		0x40
643 #define	BUS_DMA_BUS4		0x80
644 
645 typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
646 
647 int
648 bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
649 		   bus_size_t boundary, bus_addr_t lowaddr,
650 		   bus_addr_t highaddr, bus_dma_filter_t *filter,
651 		   void *filterarg, bus_size_t maxsize, int nsegments,
652 		   bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc,
653 		   void *lockfuncarg, bus_dma_tag_t *dmat);
654 
655 int bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
656     bus_dmamap_t *mapp);
657 void bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map);
658 int bus_dma_tag_destroy(bus_dma_tag_t dmat);
659 
660 #endif					/* _BSD_KERNEL_H_ */
661