xref: /freebsd/stand/kshim/bsd_kernel.h (revision 8e4535ee5870b76f97f6d33a05e9979dcb75c185)
1 /*-
2  * Copyright (c) 2011 Hans Petter Selasky. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #ifndef _BSD_KERNEL_H_
27 #define	_BSD_KERNEL_H_
28 
29 #if !defined(_STANDALONE)
30 #error "_STANDALONE is not defined!"
31 #endif
32 
33 #undef __FreeBSD_version
34 #define	__FreeBSD_version 1400000
35 
36 #include <sys/cdefs.h>
37 #include <sys/queue.h>
38 #include <sys/errno.h>
39 
40 #define	offsetof(type, field) __builtin_offsetof(type, field)
41 #define	howmany(x, y)	(((x)+((y)-1))/(y))
42 #define	nitems(x)	(sizeof((x)) / sizeof((x)[0]))
43 #define	isalpha(x) (((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z'))
44 #define	isdigit(x) ((x) >= '0' && (x) <= '9')
45 #define	panic(...) do { printf("USB PANIC: " __VA_ARGS__); while (1) ; } while (0)
46 #define	rebooting 0
47 #define	M_USB 0
48 #define	M_USBDEV 0
49 #define	USB_PROC_MAX 3
50 #define	USB_BUS_GIANT_PROC(bus) (usb_process + 2)
51 #define	USB_BUS_NON_GIANT_BULK_PROC(bus) (usb_process + 2)
52 #define	USB_BUS_NON_GIANT_ISOC_PROC(bus) (usb_process + 2)
53 #define	USB_BUS_EXPLORE_PROC(bus) (usb_process + 0)
54 #define	USB_BUS_CONTROL_XFER_PROC(bus) (usb_process + 1)
55 #define	SYSCTL_DECL(...)
56 struct sysctl_ctx_list {
57 };
58 struct sysctl_req {
59 	void		*newptr;
60 };
61 #define	SYSCTL_HANDLER_ARGS void *oidp, void *arg1,	\
62 	uint32_t arg2, struct sysctl_req *req
63 #define	SYSCTL_NODE(name,...) struct { } name __used
64 #define	SYSCTL_INT(...)
65 #define	SYSCTL_UINT(...)
66 #define	SYSCTL_PROC(...)
67 #define	SYSCTL_ADD_NODE(...) NULL
68 #define	SYSCTL_ADD_U16(...) NULL
69 #define	SYSCTL_ADD_PROC(...) NULL
70 #define	sysctl_handle_int(...) EOPNOTSUPP
71 #define	sysctl_handle_string(...) EOPNOTSUPP
72 #define	sysctl_ctx_init(ctx) do { (void)(ctx); } while (0)
73 #define	sysctl_ctx_free(ctx) do { (void)(ctx); } while (0)
74 #define	TUNABLE_INT(...)
75 #define	MALLOC_DECLARE(...)
76 #define	MALLOC_DEFINE(...)
77 #define	EVENTHANDLER_DECLARE(...)
78 #define	EVENTHANDLER_INVOKE(...)
79 #define	KASSERT(...)
80 #define	CTASSERT(x) _Static_assert(x, "compile-time assertion failed")
81 #define	SCHEDULER_STOPPED(x) (0)
82 #define	PI_SWI(...) (0)
83 #define	UNIQ_NAME(x) x
84 #define	UNIQ_NAME_STR(x) #x
85 #define	DEVCLASS_MAXUNIT 32
86 #define	MOD_LOAD 1
87 #define	MOD_UNLOAD 2
88 #define	DEVMETHOD(what,func) { #what, (void *)&func }
89 #define	DEVMETHOD_END {0,0}
90 #define	EARLY_DRIVER_MODULE(a, b, c, d, e, f)	DRIVER_MODULE(a, b, c, d, e)
91 #define	DRIVER_MODULE(name, busname, driver, evh, arg)	\
92   static struct module_data bsd_##name##_##busname##_driver_mod = {	\
93 	evh, arg, #busname, #name, #busname "/" #name,			\
94 	&driver, { 0, 0 } };					\
95 SYSINIT(bsd_##name##_##busname##_driver_mod, SI_SUB_DRIVERS,		\
96   SI_ORDER_MIDDLE, module_register,					\
97   &bsd_##name##_##busname##_driver_mod)
98 #define	SYSINIT(uniq, subs, order, _func, _data)	\
99 const struct sysinit UNIQ_NAME(sysinit_##uniq) = {	\
100 	.func = (_func),				\
101 	.data = __DECONST(void *, _data)		\
102 };							\
103 SYSINIT_ENTRY(uniq##_entry, "sysinit", (subs),		\
104     (order), "const struct sysinit",			\
105     UNIQ_NAME_STR(sysinit_##uniq), "SYSINIT")
106 
107 #define	SYSUNINIT(uniq, subs, order, _func, _data)	\
108 const struct sysinit UNIQ_NAME(sysuninit_##uniq) = {	\
109 	.func = (_func),				\
110 	.data = __DECONST(void *, _data)		\
111 };							\
112 SYSINIT_ENTRY(uniq##_entry, "sysuninit", (subs),	\
113     (order), "const struct sysuninit",			\
114     UNIQ_NAME_STR(sysuninit_##uniq), "SYSUNINIT")
115 #define	MODULE_DEPEND(...)
116 #define	MODULE_VERSION(...)
117 #define	NULL ((void *)0)
118 #define	BUS_SPACE_BARRIER_READ 0x01
119 #define	BUS_SPACE_BARRIER_WRITE 0x02
120 #define	hz 1000
121 #undef PAGE_SIZE
122 #define	PAGE_SIZE 4096
123 #undef PAGE_SHIFT
124 #define	PAGE_SHIFT 12
125 #undef MIN
126 #define	MIN(a,b) (((a) < (b)) ? (a) : (b))
127 #undef MAX
128 #define	MAX(a,b) (((a) > (b)) ? (a) : (b))
129 #define	MTX_DEF 0
130 #define	MTX_SPIN 0
131 #define	MTX_RECURSE 0
132 #define	SX_DUPOK 0
133 #define	SX_NOWITNESS 0
134 #define	WITNESS_WARN(...)
135 #define	cold 0
136 #define	BUS_PROBE_GENERIC 0
137 #define	BUS_PROBE_DEFAULT (-20)
138 #define	DEVICE_UNIT_ANY -1
139 #define	CALLOUT_RETURNUNLOCKED 0x1
140 #undef ffs
141 #define	ffs(x) __builtin_ffs(x)
142 #undef va_list
143 #define	va_list __builtin_va_list
144 #undef va_size
145 #define	va_size(type) __builtin_va_size(type)
146 #undef va_start
147 #define	va_start(ap, last) __builtin_va_start(ap, last)
148 #undef va_end
149 #define	va_end(ap) __builtin_va_end(ap)
150 #undef va_arg
151 #define	va_arg(ap, type) __builtin_va_arg((ap), type)
152 #define	DEVICE_ATTACH(dev, ...) \
153   (((device_attach_t *)(device_get_method(dev, "device_attach")))(dev,## __VA_ARGS__))
154 #define	DEVICE_DETACH(dev, ...) \
155   (((device_detach_t *)(device_get_method(dev, "device_detach")))(dev,## __VA_ARGS__))
156 #define	DEVICE_PROBE(dev, ...) \
157   (((device_probe_t *)(device_get_method(dev, "device_probe")))(dev,## __VA_ARGS__))
158 #define	DEVICE_RESUME(dev, ...) \
159   (((device_resume_t *)(device_get_method(dev, "device_resume")))(dev,## __VA_ARGS__))
160 #define	DEVICE_SHUTDOWN(dev, ...) \
161   (((device_shutdown_t *)(device_get_method(dev, "device_shutdown")))(dev,## __VA_ARGS__))
162 #define	DEVICE_SUSPEND(dev, ...) \
163   (((device_suspend_t *)(device_get_method(dev, "device_suspend")))(dev,## __VA_ARGS__))
164 #define	USB_HANDLE_REQUEST(dev, ...) \
165   (((usb_handle_request_t *)(device_get_method(dev, "usb_handle_request")))(dev,## __VA_ARGS__))
166 #define	USB_TAKE_CONTROLLER(dev, ...) \
167   (((usb_take_controller_t *)(device_get_method(dev, "usb_take_controller")))(dev,## __VA_ARGS__))
168 #define	GPIO_PIN_SET(dev, ...) \
169   (((gpio_pin_set_t *)(device_get_method(dev, "gpio_pin_set")))(dev,## __VA_ARGS__))
170 #define	GPIO_PIN_SETFLAGS(dev, ...) \
171   (((gpio_pin_setflags_t *)(device_get_method(dev, "gpio_pin_setflags")))(dev,## __VA_ARGS__))
172 
173 enum {
174 	SI_SUB_DUMMY = 0x0000000,
175 	SI_SUB_LOCK = 0x1B00000,
176 	SI_SUB_KLD = 0x2000000,
177 	SI_SUB_DRIVERS = 0x3100000,
178 	SI_SUB_PSEUDO = 0x7000000,
179 	SI_SUB_KICK_SCHEDULER = 0xa000000,
180 	SI_SUB_RUN_SCHEDULER = 0xfffffff
181 };
182 
183 enum {
184 	SI_ORDER_FIRST = 0x0000000,
185 	SI_ORDER_SECOND = 0x0000001,
186 	SI_ORDER_THIRD = 0x0000002,
187 	SI_ORDER_FOURTH = 0x0000003,
188 	SI_ORDER_MIDDLE = 0x1000000,
189 	SI_ORDER_ANY = 0xfffffff	/* last */
190 };
191 
192 struct uio;
193 struct thread;
194 struct malloc_type;
195 struct usb_process;
196 
197 #ifndef INT32_MAX
198 #define	INT32_MAX 0x7fffffff
199 #endif
200 
201 #ifndef HAVE_STANDARD_DEFS
202 #define	_UINT8_T_DECLARED
203 typedef unsigned char uint8_t;
204 #define	_INT8_T_DECLARED
205 typedef signed char int8_t;
206 #define	_UINT16_T_DECLARED
207 typedef unsigned short uint16_t;
208 #define	_INT16_T_DECLARED
209 typedef signed short int16_t;
210 #define	_UINT32_T_DECLARED
211 typedef unsigned int uint32_t;
212 #define	_INT32_T_DECLARED
213 typedef signed int int32_t;
214 #define	_UINT64_T_DECLARED
215 #ifndef __LP64__
216 typedef unsigned long long uint64_t;
217 #else
218 typedef unsigned long uint64_t;
219 #endif
220 #define	_INT64_T_DECLARED
221 #ifndef __LP64__
222 typedef signed long long int64_t;
223 #else
224 typedef signed long int64_t;
225 #endif
226 
227 typedef uint16_t uid_t;
228 typedef uint16_t gid_t;
229 typedef uint16_t mode_t;
230 
231 typedef uint8_t *caddr_t;
232 #define	_UINTPTR_T_DECLARED
233 typedef unsigned long uintptr_t;
234 #define	_UINTMAX_T_DECLARED
235 typedef unsigned long uintmax_t;
236 typedef unsigned long vm_paddr_t;
237 
238 #define	_SIZE_T_DECLARED
239 typedef unsigned long size_t;
240 #define	_SSIZE_T_DECLARED
241 typedef signed long ssize_t;
242 #define	_OFF_T_DECLARED
243 typedef unsigned long off_t;
244 
245 typedef int64_t sbintime_t;
246 
247 typedef unsigned char   u_char;
248 typedef unsigned short  u_short;
249 typedef unsigned int    u_int;
250 typedef unsigned long   u_long;
251 #endif
252 
253 typedef unsigned long bus_addr_t;
254 typedef unsigned long bus_size_t;
255 
256 typedef struct bus_dma_segment {
257 	bus_addr_t	ds_addr;	/* DMA address */
258 	bus_size_t	ds_len;		/* length of transfer */
259 } bus_dma_segment_t;
260 
261 struct bus_dma_tag {
262 	uint32_t	alignment;
263 	uint32_t	maxsize;
264 };
265 
266 typedef void *bus_dmamap_t;
267 typedef struct bus_dma_tag *bus_dma_tag_t;
268 
269 typedef enum {
270 	BUS_DMA_LOCK	= 0x01,
271 	BUS_DMA_UNLOCK	= 0x02,
272 } bus_dma_lock_op_t;
273 
274 typedef void *bus_space_tag_t;
275 typedef uint8_t *bus_space_handle_t;
276 typedef int bus_dma_filter_t(void *, bus_addr_t);
277 typedef void bus_dma_lock_t(void *, bus_dma_lock_op_t);
278 
279 #ifndef __bool_true_false_are_defined
280 #define	__bool_true_false_are_defined
281 typedef _Bool bool;
282 #define	true 1
283 #define	false 0
284 #endif
285 
286 /* SYSINIT API */
287 
288 #include <sysinit.h>
289 
290 struct sysinit {
291 	void    (*func) (void *arg);
292 	void   *data;
293 };
294 
295 /* MUTEX API */
296 
297 struct mtx {
298 	int	owned;
299 	struct mtx *parent;
300 };
301 
302 #define	mtx_assert(...) do { } while (0)
303 void	mtx_init(struct mtx *, const char *, const char *, int);
304 void	mtx_lock(struct mtx *);
305 void	mtx_unlock(struct mtx *);
306 #define	mtx_lock_spin(x) mtx_lock(x)
307 #define	mtx_unlock_spin(x) mtx_unlock(x)
308 int	mtx_owned(struct mtx *);
309 void	mtx_destroy(struct mtx *);
310 
311 extern struct mtx Giant;
312 
313 /* SX API */
314 
315 struct sx {
316 	int	owned;
317 };
318 
319 #define	sx_assert(...) do { } while (0)
320 #define	sx_init(...) sx_init_flags(__VA_ARGS__, 0)
321 void	sx_init_flags(struct sx *, const char *, int);
322 void	sx_destroy(struct sx *);
323 void	sx_xlock(struct sx *);
324 void	sx_xunlock(struct sx *);
325 int	sx_xlocked(struct sx *);
326 
327 /* CONDVAR API */
328 
329 struct cv {
330 	int	sleeping;
331 };
332 
333 void	cv_init(struct cv *, const char *desc);
334 void	cv_destroy(struct cv *);
335 void	cv_wait(struct cv *, struct mtx *);
336 int	cv_timedwait(struct cv *, struct mtx *, int);
337 void	cv_signal(struct cv *);
338 void	cv_broadcast(struct cv *);
339 
340 /* CALLOUT API */
341 
342 typedef void callout_fn_t (void *);
343 
344 extern volatile int ticks;
345 
346 struct callout {
347 	LIST_ENTRY(callout) entry;
348 	callout_fn_t *c_func;
349 	void   *c_arg;
350 	struct mtx *mtx;
351 	int	flags;
352 	int	timeout;
353 };
354 
355 void	callout_init_mtx(struct callout *, struct mtx *, int);
356 void	callout_reset(struct callout *, int, callout_fn_t *, void *);
357 void	callout_stop(struct callout *);
358 void	callout_drain(struct callout *);
359 int	callout_pending(struct callout *);
360 void	callout_process(int timeout);
361 
362 /* DEVICE API */
363 
364 struct driver;
365 struct devclass;
366 struct device;
367 struct module;
368 struct module_data;
369 struct sbuf;
370 
371 typedef struct driver driver_t;
372 typedef struct devclass *devclass_t;
373 typedef struct device *device_t;
374 typedef void (driver_intr_t)(void *arg);
375 typedef int (driver_filter_t)(void *arg);
376 #define	FILTER_STRAY		0x01
377 #define	FILTER_HANDLED		0x02
378 #define	FILTER_SCHEDULE_THREAD	0x04
379 
380 typedef int device_attach_t (device_t dev);
381 typedef int device_detach_t (device_t dev);
382 typedef int device_resume_t (device_t dev);
383 typedef int device_shutdown_t (device_t dev);
384 typedef int device_probe_t (device_t dev);
385 typedef int device_suspend_t (device_t dev);
386 typedef int gpio_pin_set_t (device_t dev, uint32_t, unsigned int);
387 typedef int gpio_pin_setflags_t (device_t dev, uint32_t, uint32_t);
388 
389 typedef int bus_child_location_str_t (device_t parent, device_t child, char *buf, size_t buflen);
390 typedef int bus_child_pnpinfo_str_t (device_t parent, device_t child, char *buf, size_t buflen);
391 typedef int bus_child_location_t (device_t parent, device_t child, struct sbuf *);
392 typedef int bus_child_pnpinfo_t (device_t parent, device_t child, struct sbuf *);
393 typedef int bus_get_device_path_t (device_t bus, device_t child, const char *locator, struct sbuf *sb);
394 
395 #define	bus_generic_get_device_path(...) EOPNOTSUPP
396 
397 typedef void bus_driver_added_t (device_t dev, driver_t *driver);
398 
399 struct device_method {
400 	const char *desc;
401 	void   *const func;
402 };
403 
404 typedef struct device_method device_method_t;
405 
406 struct device {
407 	TAILQ_HEAD(device_list, device) dev_children;
408 	TAILQ_ENTRY(device) dev_link;
409 
410 	devclass_t dev_class;
411 	struct device *dev_parent;
412 	const struct module_data *dev_module;
413 	void   *dev_sc;
414 	void   *dev_aux;
415 	driver_filter_t *dev_irq_filter;
416 	driver_intr_t *dev_irq_fn;
417 	void   *dev_irq_arg;
418 
419 	uint16_t dev_unit;
420 
421 	char	dev_nameunit[64];
422 	char	dev_desc[64];
423 
424 	uint8_t	dev_res_alloc:1;
425 	uint8_t	dev_quiet:1;
426 	uint8_t	dev_softc_set:1;
427 	uint8_t	dev_softc_alloc:1;
428 	uint8_t	dev_attached:1;
429 	uint8_t	dev_fixed_class:1;
430 	uint8_t	dev_unit_manual:1;
431 };
432 
433 struct devclass {
434 	TAILQ_ENTRY(devclass) link;
435 	const char *name;
436 	device_t dev_list[DEVCLASS_MAXUNIT];
437 };
438 
439 struct driver {
440 	const char *name;
441 	const struct device_method *methods;
442 	uint32_t size;
443 };
444 
445 struct module_data {
446 	int     (*callback) (struct module *, int, void *arg);
447 	void   *arg;
448 	const char *bus_name;
449 	const char *mod_name;
450 	const char *long_name;
451 	const struct driver *driver;
452 	TAILQ_ENTRY(module_data) entry;
453 };
454 
455 device_t device_get_parent(device_t dev);
456 void   *device_get_method(device_t dev, const char *what);
457 const char *device_get_name(device_t dev);
458 const char *device_get_nameunit(device_t dev);
459 
460 #define	device_printf(dev, fmt,...) \
461 	printf("%s: " fmt, device_get_nameunit(dev),## __VA_ARGS__)
462 device_t device_add_child(device_t dev, const char *name, int unit);
463 void	device_quiet(device_t dev);
464 void	device_set_interrupt(device_t dev, driver_filter_t *, driver_intr_t *, void *);
465 void	device_run_interrupts(device_t parent);
466 void	device_set_ivars(device_t dev, void *ivars);
467 void   *device_get_ivars(device_t dev);
468 const char *device_get_desc(device_t dev);
469 int	device_probe_and_attach(device_t dev);
470 int	device_detach(device_t dev);
471 void   *device_get_softc(device_t dev);
472 void	device_set_softc(device_t dev, void *softc);
473 int	device_delete_child(device_t dev, device_t child);
474 int	device_delete_children(device_t dev);
475 int	device_is_attached(device_t dev);
476 void	device_set_desc(device_t dev, const char *desc);
477 void	device_set_desc_copy(device_t dev, const char *desc);
478 int	device_get_unit(device_t dev);
479 void   *devclass_get_softc(devclass_t dc, int unit);
480 int	devclass_get_maxunit(devclass_t dc);
481 device_t devclass_get_device(devclass_t dc, int unit);
482 devclass_t devclass_find(const char *classname);
483 
484 #define	BUS_LOCATOR_UEFI "UEFI"
485 #define	bus_get_dma_tag(...) (NULL)
486 #define	bus_topo_lock(...) mtx_lock(&Giant)
487 #define	bus_topo_unlock(...) mtx_unlock(&Giant)
488 int	bus_generic_detach(device_t dev);
489 int	bus_generic_resume(device_t dev);
490 int	bus_generic_shutdown(device_t dev);
491 int	bus_generic_suspend(device_t dev);
492 int	bus_generic_print_child(device_t dev, device_t child);
493 void	bus_generic_driver_added(device_t dev, driver_t *driver);
494 int	bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
495     bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp);
496 
497 /* BUS SPACE API */
498 
499 void	bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint8_t data);
500 void	bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint16_t data);
501 void	bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset, uint32_t data);
502 
503 uint8_t	bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
504 uint16_t bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
505 uint32_t bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t offset);
506 
507 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);
508 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);
509 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);
510 
511 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);
512 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);
513 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);
514 
515 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);
516 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);
517 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);
518 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);
519 
520 void	bus_space_barrier(bus_space_tag_t space, bus_space_handle_t handle, bus_size_t offset, bus_size_t length, int flags);
521 
522 void	module_register(void *);
523 
524 /* LIB-C */
525 
526 void   *memset(void *, int, size_t len);
527 void   *memcpy(void *, const void *, size_t len);
528 int	memcmp(const void *, const void *, size_t len);
529 int	printf(const char *,...) __printflike(1, 2);
530 int	snprintf(char *restrict str, size_t size, const char *restrict format,...) __printflike(3, 4);
531 size_t	strlen(const char *s);
532 int	strcmp(const char *, const char *);
533 
534 /* MALLOC API */
535 
536 #undef malloc
537 #define	malloc(s,x,f) usb_malloc(s)
538 void   *usb_malloc(size_t);
539 
540 #undef free
541 #define	free(p,x) usb_free(p)
542 void	usb_free(void *);
543 
544 #define	strdup(p,x) usb_strdup(p)
545 char   *usb_strdup(const char *str);
546 
547 /* ENDIANNESS */
548 
549 #ifndef HAVE_ENDIAN_DEFS
550 
551 /* Assume little endian */
552 
553 #define	htole64(x) ((uint64_t)(x))
554 #define	le64toh(x) ((uint64_t)(x))
555 
556 #define	htole32(x) ((uint32_t)(x))
557 #define	le32toh(x) ((uint32_t)(x))
558 
559 #define	htole16(x) ((uint16_t)(x))
560 #define	le16toh(x) ((uint16_t)(x))
561 
562 #define	be32toh(x) ((uint32_t)(x))
563 #define	htobe32(x) ((uint32_t)(x))
564 
565 #else
566 #include <sys/endian.h>
567 #endif
568 
569 /* USB */
570 
571 typedef int usb_handle_request_t (device_t dev, const void *req, void **pptr, uint16_t *plen, uint16_t offset, uint8_t *pstate);
572 typedef int usb_take_controller_t (device_t dev);
573 
574 void	usb_idle(void);
575 void	usb_init(void);
576 void	usb_uninit(void);
577 
578 /* set some defaults */
579 
580 #ifndef USB_POOL_SIZE
581 #define	USB_POOL_SIZE (1024*1024)	/* 1 MByte */
582 #endif
583 
584 int	pause(const char *, int);
585 void	DELAY(unsigned int);
586 
587 /* OTHER */
588 
589 struct selinfo {
590 };
591 
592 /* SYSTEM STARTUP API */
593 
594 extern const void *sysinit_data[];
595 extern const void *sysuninit_data[];
596 
597 /* Resources */
598 
599 enum intr_type {
600 	INTR_TYPE_TTY = 1,
601 	INTR_TYPE_BIO = 2,
602 	INTR_TYPE_NET = 4,
603 	INTR_TYPE_CAM = 8,
604 	INTR_TYPE_MISC = 16,
605 	INTR_TYPE_CLK = 32,
606 	INTR_TYPE_AV = 64,
607 	INTR_EXCL = 256,		/* exclusive interrupt */
608 	INTR_MPSAFE = 512,		/* this interrupt is SMP safe */
609 	INTR_ENTROPY = 1024,		/* this interrupt provides entropy */
610 	INTR_MD1 = 4096,		/* flag reserved for MD use */
611 	INTR_MD2 = 8192,		/* flag reserved for MD use */
612 	INTR_MD3 = 16384,		/* flag reserved for MD use */
613 	INTR_MD4 = 32768		/* flag reserved for MD use */
614 };
615 
616 struct resource_i {
617 	u_long		r_start;	/* index of the first entry in this resource */
618 	u_long		r_end;		/* index of the last entry (inclusive) */
619 };
620 
621 struct resource {
622 	struct resource_i	*__r_i;
623 	bus_space_tag_t		r_bustag; /* bus_space tag */
624 	bus_space_handle_t	r_bushandle;	/* bus_space handle */
625 };
626 
627 struct resource_spec {
628 	int	type;
629 	int	rid;
630 	int	flags;
631 };
632 
633 #define	SYS_RES_IRQ	1	/* interrupt lines */
634 #define	SYS_RES_DRQ	2	/* isa dma lines */
635 #define	SYS_RES_MEMORY	3	/* i/o memory */
636 #define	SYS_RES_IOPORT	4	/* i/o ports */
637 
638 #define	RF_ALLOCATED	0x0001	/* resource has been reserved */
639 #define	RF_ACTIVE	0x0002	/* resource allocation has been activated */
640 #define	RF_SHAREABLE	0x0004	/* resource permits contemporaneous sharing */
641 #define	RF_SPARE1	0x0008
642 #define	RF_SPARE2	0x0010
643 #define	RF_FIRSTSHARE	0x0020	/* first in sharing list */
644 #define	RF_PREFETCHABLE	0x0040	/* resource is prefetchable */
645 #define	RF_OPTIONAL	0x0080	/* for bus_alloc_resources() */
646 
647 int bus_alloc_resources(device_t, struct resource_spec *, struct resource **);
648 int bus_release_resource(device_t, int, int, struct resource *);
649 void bus_release_resources(device_t, const struct resource_spec *,
650     struct resource **);
651 struct resource *bus_alloc_resource_any(device_t, int, int *, unsigned int);
652 void bus_attach_children(device_t);
653 int bus_detach_children(device_t);
654 bus_space_tag_t rman_get_bustag(struct resource *);
655 bus_space_handle_t rman_get_bushandle(struct resource *);
656 u_long rman_get_size(struct resource *);
657 int bus_setup_intr(device_t, struct resource *, int, driver_filter_t,
658     driver_intr_t, void *, void **);
659 int bus_teardown_intr(device_t, struct resource *, void *);
660 int ofw_bus_status_okay(device_t);
661 int ofw_bus_is_compatible(device_t, char *);
662 
663 extern int (*bus_alloc_resource_any_cb)(struct resource *res, device_t dev,
664     int type, int *rid, unsigned int flags);
665 extern int (*ofw_bus_status_ok_cb)(device_t dev);
666 extern int (*ofw_bus_is_compatible_cb)(device_t dev, char *name);
667 
668 #ifndef strlcpy
669 #define	strlcpy(d,s,n) snprintf((d),(n),"%s",(s))
670 #endif
671 
672 /* Should be defined in user application since it is machine-dependent */
673 extern int delay(unsigned int);
674 
675 /* BUS dma */
676 #define	BUS_SPACE_MAXADDR_24BIT	0xFFFFFF
677 #define	BUS_SPACE_MAXADDR_32BIT	0xFFFFFFFF
678 #define	BUS_SPACE_MAXADDR	0xFFFFFFFF
679 #define	BUS_SPACE_MAXSIZE_24BIT	0xFFFFFF
680 #define	BUS_SPACE_MAXSIZE_32BIT	0xFFFFFFFF
681 #define	BUS_SPACE_MAXSIZE	0xFFFFFFFF
682 
683 #define	BUS_DMA_WAITOK		0x00	/* safe to sleep (pseudo-flag) */
684 #define	BUS_DMA_NOWAIT		0x01	/* not safe to sleep */
685 #define	BUS_DMA_ALLOCNOW	0x02	/* perform resource allocation now */
686 #define	BUS_DMA_COHERENT	0x04	/* hint: map memory in a coherent way */
687 #define	BUS_DMA_ZERO		0x08	/* allocate zero'ed memory */
688 #define	BUS_DMA_BUS1		0x10	/* placeholders for bus functions... */
689 #define	BUS_DMA_BUS2		0x20
690 #define	BUS_DMA_BUS3		0x40
691 #define	BUS_DMA_BUS4		0x80
692 
693 #define	BUS_DMASYNC_PREREAD	0x01
694 #define	BUS_DMASYNC_POSTREAD	0x02
695 #define	BUS_DMASYNC_PREWRITE	0x04
696 #define	BUS_DMASYNC_POSTWRITE	0x08
697 
698 typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
699 
700 int
701 bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
702 		   bus_size_t boundary, bus_addr_t lowaddr,
703 		   bus_addr_t highaddr, bus_dma_filter_t *filter,
704 		   void *filterarg, bus_size_t maxsize, int nsegments,
705 		   bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc,
706 		   void *lockfuncarg, bus_dma_tag_t *dmat);
707 
708 int bus_dmamem_alloc(bus_dma_tag_t, void** vaddr, int flags, bus_dmamap_t *);
709 void bus_dmamem_free(bus_dma_tag_t, void *vaddr, bus_dmamap_t);
710 int bus_dma_tag_destroy(bus_dma_tag_t);
711 
712 int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *buf,
713     bus_size_t buflen, bus_dmamap_callback_t *,
714     void *callback_arg, int flags);
715 void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
716 void bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, int flags);
717 
718 /* SBUF */
719 #define	sbuf_printf(...) do { } while (0)
720 
721 #endif					/* _BSD_KERNEL_H_ */
722