xref: /illumos-gate/usr/src/uts/common/sys/sunddi.h (revision 8654d0253136055bd4cc2423d87378e8a37f2eb5)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_SUNDDI_H
28 #define	_SYS_SUNDDI_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * Sun Specific DDI definitions
34  */
35 
36 #include <sys/isa_defs.h>
37 #include <sys/dditypes.h>
38 #include <sys/ddipropdefs.h>
39 #include <sys/devops.h>
40 #include <sys/time.h>
41 #include <sys/cmn_err.h>
42 #include <sys/ddidevmap.h>
43 #include <sys/ddi_impldefs.h>
44 #include <sys/ddi_implfuncs.h>
45 #include <sys/ddi_isa.h>
46 #include <sys/model.h>
47 #include <sys/devctl.h>
48 #if defined(__i386) || defined(__amd64)
49 #include <sys/dma_engine.h>
50 #endif
51 #include <sys/sunpm.h>
52 #include <sys/nvpair.h>
53 #include <sys/sysevent.h>
54 #include <sys/thread.h>
55 #include <sys/stream.h>
56 #if defined(__GNUC__) && defined(_ASM_INLINES) && defined(_KERNEL)
57 #include <asm/sunddi.h>
58 #endif
59 #ifdef _KERNEL
60 #include <sys/ddi_obsolete.h>
61 #endif
62 
63 #ifdef	__cplusplus
64 extern "C" {
65 #endif
66 
67 /*
68  * Generic Sun DDI definitions.
69  */
70 
71 #define	DDI_SUCCESS	(0)	/* successful return */
72 #define	DDI_FAILURE	(-1)	/* unsuccessful return */
73 #define	DDI_NOT_WELL_FORMED (-2)  /* A dev_info node is not valid */
74 #define	DDI_EAGAIN	(-3)	/* not enough interrupt resources */
75 #define	DDI_EINVAL	(-4)	/* invalid request or arguments */
76 #define	DDI_ENOTSUP	(-5)	/* operation is not supported */
77 #define	DDI_EPENDING	(-6)	/* operation or an event is pending */
78 
79 /*
80  * General-purpose DDI error return value definitions
81  */
82 #define	DDI_ENOMEM		1	/* memory not available */
83 #define	DDI_EBUSY		2	/* busy */
84 #define	DDI_ETRANSPORT		3	/* transport down */
85 #define	DDI_ECONTEXT		4	/* context error */
86 
87 
88 /*
89  * General DDI sleep/nosleep allocation flags
90  */
91 #define	DDI_SLEEP	0
92 #define	DDI_NOSLEEP	1
93 
94 /*
95  * The following special nodeid values are reserved for use when creating
96  * nodes ONLY.  They specify the attributes of the DDI_NC_PSEUDO class node
97  * being created:
98  *
99  *  o	DEVI_PSEUDO_NODEID specifics a node without persistence.
100  *  o	DEVI_SID_NODEID specifies a node with persistence.
101  *
102  * A node with the 'persistent' attribute will not be automatically removed by
103  * the framework in the current implementation - driver.conf nodes are without
104  * persistence.
105  *
106  * The actual nodeid value may be assigned by the framework and may be
107  * different than these special values. Drivers may not make assumptions
108  * about the nodeid value that is actually assigned to the node.
109  */
110 
111 #define	DEVI_PSEUDO_NODEID	((int)-1)
112 #define	DEVI_SID_NODEID		((int)-2)
113 
114 #define	DEVI_PSEUDO_NEXNAME	"pseudo"
115 #define	DEVI_ISA_NEXNAME	"isa"
116 #define	DEVI_EISA_NEXNAME	"eisa"
117 
118 /*
119  * ddi_create_minor_node flags
120  */
121 #define	CLONE_DEV		1	/* device is a clone device */
122 #define	PRIVONLY_DEV		0x10	/* policy-based permissions only */
123 
124 /*
125  * Historical values used for the flag field in ddi_create_minor_node.
126  * Future use of flag bits should avoid these fields to keep binary
127  * compatibility
128  * #define	GLOBAL_DEV		0x2
129  * #define	NODEBOUND_DEV		0x4
130  * #define	NODESPECIFIC_DEV	0x6
131  * #define	ENUMERATED_DEV		0x8
132  */
133 
134 /*
135  * Device type defines which are used by the 'node_type' element of the
136  * ddi_minor_data structure
137  */
138 #define	DDI_NT_SERIAL	"ddi_serial"		/* Serial port */
139 #define	DDI_NT_SERIAL_MB "ddi_serial:mb"	/* the 'built-in' serial */
140 						/* ports (the old ttya, b */
141 						/* (,c ,d)) */
142 #define	DDI_NT_SERIAL_DO "ddi_serial:dialout"	/* dialout ports */
143 #define	DDI_NT_SERIAL_MB_DO "ddi_serial:dialout,mb" /* dialout for onboard */
144 						/* ports */
145 #define	DDI_NT_SERIAL_LOMCON "ddi_serial:lomcon" /* LOMlite2 console port */
146 
147 /*
148  * *_CHAN disk type devices have channel numbers or target numbers.
149  * (i.e. ipi and scsi devices)
150  */
151 #define	DDI_NT_BLOCK	"ddi_block"		/* hard disks */
152 /*
153  * The next define is for block type devices that can possible exist on
154  * a sub-bus like the scsi bus or the ipi channel.  The 'disks' program
155  * will pick up on this and create logical names like c0t0d0s0 instead of
156  * c0d0s0
157  */
158 #define	DDI_NT_BLOCK_CHAN	"ddi_block:channel"
159 #define	DDI_NT_BLOCK_WWN	"ddi_block:wwn"
160 #define	DDI_NT_CD	"ddi_block:cdrom"	/* rom drives (cd-rom) */
161 #define	DDI_NT_CD_CHAN	"ddi_block:cdrom:channel" /* rom drives (scsi type) */
162 #define	DDI_NT_FD	"ddi_block:diskette"	/* floppy disks */
163 
164 #define	DDI_NT_ENCLOSURE	"ddi_enclosure"
165 #define	DDI_NT_SCSI_ENCLOSURE	"ddi_enclosure:scsi"
166 
167 
168 #define	DDI_NT_TAPE	"ddi_byte:tape"		/* tape drives */
169 
170 #define	DDI_NT_NET	"ddi_network"		/* DLPI network devices */
171 
172 #define	DDI_NT_NET_WIFI	"ddi_network:wifi"	/* wifi devices */
173 
174 #define	DDI_NT_DISPLAY	"ddi_display"		/* display devices */
175 
176 #define	DDI_NT_DISPLAY_DRM	"ddi_display:drm" /* drm display devices */
177 
178 #define	DDI_PSEUDO	"ddi_pseudo"		/* general pseudo devices */
179 
180 #define	DDI_NT_AUDIO	"ddi_audio"		/* audio device */
181 
182 #define	DDI_NT_MOUSE	"ddi_mouse"		/* mouse device */
183 
184 #define	DDI_NT_KEYBOARD	"ddi_keyboard"		/* keyboard device */
185 
186 #define	DDI_NT_PARALLEL "ddi_parallel"		/* parallel port */
187 
188 #define	DDI_NT_PRINTER	"ddi_printer"		/* printer device */
189 
190 #define	DDI_NT_UGEN	"ddi_generic:usb"	/* USB generic drv */
191 
192 #define	DDI_NT_NEXUS	"ddi_ctl:devctl"	/* nexus drivers */
193 
194 #define	DDI_NT_SCSI_NEXUS	"ddi_ctl:devctl:scsi"	/* nexus drivers */
195 
196 #define	DDI_NT_SATA_NEXUS	"ddi_ctl:devctl:sata"	/* nexus drivers */
197 
198 #define	DDI_NT_ATTACHMENT_POINT	"ddi_ctl:attachment_point" /* attachment pt */
199 
200 #define	DDI_NT_SCSI_ATTACHMENT_POINT	"ddi_ctl:attachment_point:scsi"
201 						/* scsi attachment pt */
202 
203 #define	DDI_NT_SATA_ATTACHMENT_POINT	"ddi_ctl:attachment_point:sata"
204 						/* sata attachment pt */
205 
206 #define	DDI_NT_PCI_ATTACHMENT_POINT	"ddi_ctl:attachment_point:pci"
207 						/* PCI attachment pt */
208 #define	DDI_NT_SBD_ATTACHMENT_POINT	"ddi_ctl:attachment_point:sbd"
209 						/* generic bd attachment pt */
210 #define	DDI_NT_FC_ATTACHMENT_POINT	"ddi_ctl:attachment_point:fc"
211 						/* FC attachment pt */
212 #define	DDI_NT_USB_ATTACHMENT_POINT	"ddi_ctl:attachment_point:usb"
213 						/* USB devices */
214 #define	DDI_NT_BLOCK_FABRIC		"ddi_block:fabric"
215 						/* Fabric Devices */
216 #define	DDI_NT_IB_ATTACHMENT_POINT	"ddi_ctl:attachment_point:ib"
217 						/* IB devices */
218 #define	DDI_NT_SMARTCARD_READER	"ddi_smartcard_reader" /* Smartcard reader */
219 
220 #define	DDI_NT_AV_ASYNC "ddi_av:async"		/* asynchronous AV device */
221 #define	DDI_NT_AV_ISOCH "ddi_av:isoch"		/* isochronous AV device */
222 
223 /* Device types used for agpgart driver related devices */
224 #define	DDI_NT_AGP_PSEUDO	"ddi_agp:pseudo" /* agpgart pseudo device */
225 #define	DDI_NT_AGP_MASTER	"ddi_agp:master" /* agp master device */
226 #define	DDI_NT_AGP_TARGET	"ddi_agp:target" /* agp target device */
227 #define	DDI_NT_AGP_CPUGART	"ddi_agp:cpugart" /* amd64 on-cpu gart device */
228 
229 #define	DDI_NT_REGACC		"ddi_tool_reg"	/* tool register access */
230 #define	DDI_NT_INTRCTL		"ddi_tool_intr"	/* tool intr access */
231 
232 /*
233  * DDI event definitions
234  */
235 #define	EC_DEVFS	"EC_devfs"	/* Event class devfs */
236 #define	EC_DDI		"EC_ddi"	/* Event class ddi */
237 
238 /* Class devfs subclasses */
239 #define	ESC_DEVFS_MINOR_CREATE	"ESC_devfs_minor_create"
240 #define	ESC_DEVFS_MINOR_REMOVE	"ESC_devfs_minor_remove"
241 #define	ESC_DEVFS_DEVI_ADD	"ESC_devfs_devi_add"
242 #define	ESC_DEVFS_DEVI_REMOVE	"ESC_devfs_devi_remove"
243 #define	ESC_DEVFS_INSTANCE_MOD	"ESC_devfs_instance_mod"
244 #define	ESC_DEVFS_BRANCH_ADD	"ESC_devfs_branch_add"
245 #define	ESC_DEVFS_BRANCH_REMOVE	"ESC_devfs_branch_remove"
246 #define	ESC_DEVFS_START		"ESC_devfs_start"
247 
248 /* Class ddi subclasses */
249 #define	ESC_DDI_INITIATOR_REGISTER	"ESC_ddi_initiator_register"
250 #define	ESC_DDI_INITIATOR_UNREGISTER	"ESC_ddi_initiator_unregister"
251 
252 /* DDI/NDI event publisher */
253 #define	EP_DDI	SUNW_KERN_PUB"ddi"
254 
255 /*
256  * devfs event class attributes
257  *
258  * The following attributes are private to EC_DEVFS event data.
259  */
260 #define	DEVFS_DRIVER_NAME	"di.driver"
261 #define	DEVFS_INSTANCE		"di.instance"
262 #define	DEVFS_PATHNAME		"di.path"
263 #define	DEVFS_DEVI_CLASS	"di.devi_class"
264 #define	DEVFS_BRANCH_EVENT	"di.branch_event"
265 #define	DEVFS_MINOR_NAME	"mi.name"
266 #define	DEVFS_MINOR_NODETYPE	"mi.nodetype"
267 #define	DEVFS_MINOR_ISCLONE	"mi.isclone"
268 #define	DEVFS_MINOR_MAJNUM	"mi.majorno"
269 #define	DEVFS_MINOR_MINORNUM	"mi.minorno"
270 
271 /*
272  * ddi event class payload
273  *
274  * The following attributes are private to EC_DDI event data.
275  */
276 #define	DDI_DRIVER_NAME		"ddi.driver"
277 #define	DDI_DRIVER_MAJOR	"ddi.major"
278 #define	DDI_INSTANCE		"ddi.instance"
279 #define	DDI_PATHNAME		"ddi.path"
280 #define	DDI_CLASS		"ddi.class"
281 
282 /*
283  * Fault-related definitions
284  *
285  * The specific numeric values have been chosen to be ordered, but
286  * not consecutive, to allow for future interpolation if required.
287  */
288 typedef enum {
289     DDI_SERVICE_LOST = -32,
290     DDI_SERVICE_DEGRADED = -16,
291     DDI_SERVICE_UNAFFECTED = 0,
292     DDI_SERVICE_RESTORED = 16
293 } ddi_fault_impact_t;
294 
295 typedef enum {
296     DDI_DATAPATH_FAULT = -32,
297     DDI_DEVICE_FAULT = -16,
298     DDI_EXTERNAL_FAULT = 0
299 } ddi_fault_location_t;
300 
301 typedef enum {
302     DDI_DEVSTATE_OFFLINE = -32,
303     DDI_DEVSTATE_DOWN = -16,
304     DDI_DEVSTATE_QUIESCED = 0,
305     DDI_DEVSTATE_DEGRADED = 16,
306     DDI_DEVSTATE_UP = 32
307 } ddi_devstate_t;
308 
309 #ifdef	_KERNEL
310 
311 /*
312  * Common property definitions
313  */
314 #define	DDI_FORCEATTACH		"ddi-forceattach"
315 #define	DDI_NO_AUTODETACH	"ddi-no-autodetach"
316 #define	DDI_VHCI_CLASS		"ddi-vhci-class"
317 #define	DDI_NO_ROOT_SUPPORT	"ddi-no-root-support"
318 #define	DDI_OPEN_RETURNS_EINTR	"ddi-open-returns-eintr"
319 
320 /*
321  * Values that the function supplied to the dev_info
322  * tree traversal functions defined below must return.
323  */
324 
325 /*
326  * Continue search, if appropriate.
327  */
328 #define	DDI_WALK_CONTINUE	0
329 
330 /*
331  * Terminate current depth of traversal. That is, terminate
332  * the current traversal of children nodes, but continue
333  * traversing sibling nodes and their children (if any).
334  */
335 
336 #define	DDI_WALK_PRUNECHILD	-1
337 
338 /*
339  * Terminate current width of traversal. That is, terminate
340  * the current traversal of sibling nodes, but continue with
341  * traversing children nodes and their siblings (if appropriate).
342  */
343 
344 #define	DDI_WALK_PRUNESIB	-2
345 
346 /*
347  * Terminate the entire search.
348  */
349 
350 #define	DDI_WALK_TERMINATE	-3
351 
352 /*
353  * Terminate the entire search because an error occurred in function
354  */
355 #define	DDI_WALK_ERROR		-4
356 
357 /*
358  * Drivers that are prepared to support full driver layering
359  * should create and export a null-valued property of the following
360  * name.
361  *
362  * Such drivers should be prepared to be called with FKLYR in
363  * the 'flag' argument of their open(9E), close(9E) routines, and
364  * with FKIOCTL in the 'mode' argument of their ioctl(9E) routines.
365  *
366  * See ioctl(9E) and ddi_copyin(9F) for details.
367  */
368 #define	DDI_KERNEL_IOCTL	"ddi-kernel-ioctl"
369 
370 /*
371  * Model definitions for ddi_mmap_get_model(9F) and ddi_model_convert_from(9F).
372  */
373 #define	DDI_MODEL_MASK		DATAMODEL_MASK	/* Note: 0x0FF00000 */
374 #define	DDI_MODEL_ILP32		DATAMODEL_ILP32
375 #define	DDI_MODEL_LP64		DATAMODEL_LP64
376 #define	DDI_MODEL_NATIVE	DATAMODEL_NATIVE
377 #define	DDI_MODEL_NONE		DATAMODEL_NONE
378 
379 /*
380  * Functions and data references which really should be in <sys/ddi.h>
381  */
382 
383 extern int maxphys;
384 extern void minphys(struct buf *);
385 extern int physio(int (*)(struct buf *), struct buf *, dev_t,
386 	int, void (*)(struct buf *), struct uio *);
387 extern void disksort(struct diskhd *, struct buf *);
388 
389 extern long strtol(const char *, char **, int);
390 extern unsigned long strtoul(const char *, char **, int);
391 extern size_t strlen(const char *) __PURE;
392 extern char *strcpy(char *, const char *);
393 extern char *strncpy(char *, const char *, size_t);
394 /* Need to be consistent with <string.h> C++ definition for strchr() */
395 #if __cplusplus >= 199711L
396 extern const char *strchr(const char *, int);
397 #ifndef	_STRCHR_INLINE
398 #define	_STRCHR_INLINE
399 extern	"C++" {
400 	inline char *strchr(char *__s, int __c) {
401 		return (char *)strchr((const char *)__s, __c);
402 	}
403 }
404 #endif	/* _STRCHR_INLINE */
405 #else
406 extern char *strchr(const char *, int);
407 #endif	/* __cplusplus >= 199711L */
408 #define	DDI_STRSAME(s1, s2)	((*(s1) == *(s2)) && (strcmp((s1), (s2)) == 0))
409 extern int strcmp(const char *, const char *) __PURE;
410 extern int strncmp(const char *, const char *, size_t) __PURE;
411 extern char *strncat(char *, const char *, size_t);
412 extern size_t strlcat(char *, const char *, size_t);
413 extern size_t strlcpy(char *, const char *, size_t);
414 extern size_t strspn(const char *, const char *);
415 extern int bcmp(const void *, const void *, size_t) __PURE;
416 extern int stoi(char **);
417 extern void numtos(ulong_t, char *);
418 extern void bcopy(const void *, void *, size_t);
419 extern void bzero(void *, size_t);
420 
421 extern void *memcpy(void *, const  void  *, size_t);
422 extern void *memset(void *, int, size_t);
423 extern void *memmove(void *, const void *, size_t);
424 extern int memcmp(const void *, const void *, size_t) __PURE;
425 /* Need to be consistent with <string.h> C++ definition for memchr() */
426 #if __cplusplus >= 199711L
427 extern const void *memchr(const void *, int, size_t);
428 #ifndef	_MEMCHR_INLINE
429 #define	_MEMCHR_INLINE
430 extern "C++" {
431 	inline void *memchr(void * __s, int __c, size_t __n) {
432 		return (void *)memchr((const void *)__s, __c, __n);
433 	}
434 }
435 #endif  /* _MEMCHR_INLINE */
436 #else
437 extern void *memchr(const void *, int, size_t);
438 #endif /* __cplusplus >= 199711L */
439 
440 extern int ddi_strtol(const char *, char **, int, long *);
441 extern int ddi_strtoul(const char *, char **, int, unsigned long *);
442 
443 /*
444  * Unicode encoding conversion functions and their macros.
445  */
446 #define	UCONV_IN_BIG_ENDIAN		0x0001
447 #define	UCONV_OUT_BIG_ENDIAN		0x0002
448 #define	UCONV_IN_SYSTEM_ENDIAN		0x0004
449 #define	UCONV_OUT_SYSTEM_ENDIAN		0x0008
450 #define	UCONV_IN_LITTLE_ENDIAN		0x0010
451 #define	UCONV_OUT_LITTLE_ENDIAN		0x0020
452 #define	UCONV_IGNORE_NULL		0x0040
453 #define	UCONV_IN_ACCEPT_BOM		0x0080
454 #define	UCONV_OUT_EMIT_BOM		0x0100
455 
456 extern int uconv_u16tou32(const uint16_t *, size_t *, uint32_t *, size_t *,
457 	int);
458 extern int uconv_u16tou8(const uint16_t *, size_t *, uchar_t *, size_t *, int);
459 extern int uconv_u32tou16(const uint32_t *, size_t *, uint16_t *, size_t *,
460 	int);
461 extern int uconv_u32tou8(const uint32_t *, size_t *, uchar_t *, size_t *, int);
462 extern int uconv_u8tou16(const uchar_t *, size_t *, uint16_t *, size_t *, int);
463 extern int uconv_u8tou32(const uchar_t *, size_t *, uint32_t *, size_t *, int);
464 
465 /*
466  * UTF-8 text preparation functions and their macros.
467  *
468  * Among the macros defined, U8_CANON_DECOMP, U8_COMPAT_DECOMP, and
469  * U8_CANON_COMP are not public interfaces and must not be used directly
470  * at the flag input argument.
471  */
472 #define	U8_STRCMP_CS			(0x00000001)
473 #define	U8_STRCMP_CI_UPPER		(0x00000002)
474 #define	U8_STRCMP_CI_LOWER		(0x00000004)
475 
476 #define	U8_CANON_DECOMP			(0x00000010)
477 #define	U8_COMPAT_DECOMP		(0x00000020)
478 #define	U8_CANON_COMP			(0x00000040)
479 
480 #define	U8_STRCMP_NFD			(U8_CANON_DECOMP)
481 #define	U8_STRCMP_NFC			(U8_CANON_DECOMP | U8_CANON_COMP)
482 #define	U8_STRCMP_NFKD			(U8_COMPAT_DECOMP)
483 #define	U8_STRCMP_NFKC			(U8_COMPAT_DECOMP | U8_CANON_COMP)
484 
485 #define	U8_TEXTPREP_TOUPPER		(U8_STRCMP_CI_UPPER)
486 #define	U8_TEXTPREP_TOLOWER		(U8_STRCMP_CI_LOWER)
487 
488 #define	U8_TEXTPREP_NFD			(U8_STRCMP_NFD)
489 #define	U8_TEXTPREP_NFC			(U8_STRCMP_NFC)
490 #define	U8_TEXTPREP_NFKD		(U8_STRCMP_NFKD)
491 #define	U8_TEXTPREP_NFKC		(U8_STRCMP_NFKC)
492 
493 #define	U8_TEXTPREP_IGNORE_NULL		(0x00010000)
494 #define	U8_TEXTPREP_IGNORE_INVALID	(0x00020000)
495 #define	U8_TEXTPREP_NOWAIT		(0x00040000)
496 
497 #define	U8_UNICODE_320			(0)
498 #define	U8_UNICODE_500			(1)
499 #define	U8_UNICODE_LATEST		(U8_UNICODE_500)
500 
501 #define	U8_VALIDATE_ENTIRE		(0x00100000)
502 #define	U8_VALIDATE_CHECK_ADDITIONAL	(0x00200000)
503 #define	U8_VALIDATE_UCS2_RANGE		(0x00400000)
504 
505 #define	U8_ILLEGAL_CHAR			(-1)
506 #define	U8_OUT_OF_RANGE_CHAR		(-2)
507 
508 extern int u8_validate(char *, size_t, char **, int, int *);
509 extern int u8_strcmp(const char *, const char *, size_t, int, size_t, int *);
510 extern size_t u8_textprep_str(char *, size_t *, char *, size_t *, int, size_t,
511 	int *);
512 
513 /*
514  * ddi_map_regs
515  *
516  *	Map in the register set given by rnumber.
517  *	The register number determine which register
518  *	set will be mapped if more than one exists.
519  *	The parent driver gets the information
520  *	from parent private data and sets up the
521  *	appropriate mappings and returns the kernel
522  *	virtual address of the register set in *kaddrp.
523  *	The offset specifies an offset into the register
524  *	space to start from and len indicates the size
525  *	of the area to map. If len and offset are 0 then
526  *	the entire space is mapped.  It returns DDI_SUCCESS on
527  *	success or DDI_FAILURE otherwise.
528  *
529  */
530 int
531 ddi_map_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp,
532 	off_t offset, off_t len);
533 
534 /*
535  * ddi_unmap_regs
536  *
537  *	Undo mappings set up by ddi_map_regs.
538  *	The register number determines which register
539  *	set will be unmapped if more than one exists.
540  *	This is provided for drivers preparing
541  *	to detach themselves from the system to
542  *	allow them to release allocated mappings.
543  *
544  *	The kaddrp and len specify the area to be
545  *	unmapped. *kaddrp was returned from ddi_map_regs
546  *	and len should match what ddi_map_regs was called
547  *	with.
548  */
549 
550 void
551 ddi_unmap_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp,
552 	off_t offset, off_t len);
553 
554 int
555 ddi_map(dev_info_t *dp, ddi_map_req_t *mp, off_t offset, off_t len,
556 	caddr_t *addrp);
557 
558 int
559 ddi_apply_range(dev_info_t *dip, dev_info_t *rdip, struct regspec *rp);
560 
561 /*
562  * ddi_rnumber_to_regspec: Not for use by leaf drivers.
563  */
564 struct regspec *
565 ddi_rnumber_to_regspec(dev_info_t *dip, int rnumber);
566 
567 int
568 ddi_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset,
569 	off_t len, caddr_t *vaddrp);
570 
571 int
572 nullbusmap(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset,
573 	off_t len, caddr_t *vaddrp);
574 
575 int ddi_peek8(dev_info_t *dip, int8_t *addr, int8_t *val_p);
576 int ddi_peek16(dev_info_t *dip, int16_t *addr, int16_t *val_p);
577 int ddi_peek32(dev_info_t *dip, int32_t *addr, int32_t *val_p);
578 int ddi_peek64(dev_info_t *dip, int64_t *addr, int64_t *val_p);
579 
580 int ddi_poke8(dev_info_t *dip, int8_t *addr, int8_t val);
581 int ddi_poke16(dev_info_t *dip, int16_t *addr, int16_t val);
582 int ddi_poke32(dev_info_t *dip, int32_t *addr, int32_t val);
583 int ddi_poke64(dev_info_t *dip, int64_t *addr, int64_t val);
584 
585 /*
586  * Peek and poke to and from a uio structure in xfersize pieces,
587  * using the parent nexi.
588  */
589 int ddi_peekpokeio(dev_info_t *devi, struct uio *uio, enum uio_rw rw,
590 	caddr_t addr, size_t len, uint_t xfersize);
591 
592 /*
593  * Pagesize conversions using the parent nexi
594  */
595 unsigned long ddi_btop(dev_info_t *dip, unsigned long bytes);
596 unsigned long ddi_btopr(dev_info_t *dip, unsigned long bytes);
597 unsigned long ddi_ptob(dev_info_t *dip, unsigned long pages);
598 
599 /*
600  * There are no more "block" interrupt functions, per se.
601  * All thread of control should be done with MP/MT lockings.
602  *
603  * However, there are certain times in which a driver needs
604  * absolutely a critical guaranteed non-preemptable time
605  * in which to execute a few instructions.
606  *
607  * The following pair of functions attempt to guarantee this,
608  * but they are dangerous to use. That is, use them with
609  * extreme care. They do not guarantee to stop other processors
610  * from executing, but they do guarantee that the caller
611  * of ddi_enter_critical will continue to run until the
612  * caller calls ddi_exit_critical. No intervening DDI functions
613  * may be called between an entry and an exit from a critical
614  * region.
615  *
616  * ddi_enter_critical returns an integer identifier which must
617  * be passed to ddi_exit_critical.
618  *
619  * Be very sparing in the use of these functions since it is
620  * likely that absolutely nothing else can occur in the system
621  * whilst in the critical region.
622  */
623 
624 unsigned int
625 ddi_enter_critical(void);
626 
627 void
628 ddi_exit_critical(unsigned int);
629 
630 /*
631  * devmap functions
632  */
633 int
634 devmap_setup(dev_t dev, offset_t off, ddi_as_handle_t as, caddr_t *addrp,
635 	size_t len, uint_t prot, uint_t maxprot, uint_t flags,
636 	struct cred *cred);
637 
638 int
639 ddi_devmap_segmap(dev_t dev, off_t off, ddi_as_handle_t as, caddr_t *addrp,
640 	off_t len, uint_t prot, uint_t maxprot, uint_t flags,
641 	struct cred *cred);
642 
643 int
644 devmap_load(devmap_cookie_t dhp, offset_t offset, size_t len, uint_t type,
645 	uint_t rw);
646 
647 int
648 devmap_unload(devmap_cookie_t dhp, offset_t offset, size_t len);
649 
650 int
651 devmap_devmem_setup(devmap_cookie_t dhp, dev_info_t *dip,
652 	struct devmap_callback_ctl *callback_ops,
653 	uint_t rnumber, offset_t roff, size_t len, uint_t maxprot,
654 	uint_t flags, ddi_device_acc_attr_t *accattrp);
655 
656 int
657 devmap_umem_setup(devmap_cookie_t dhp, dev_info_t *dip,
658 	struct devmap_callback_ctl *callback_ops,
659 	ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot,
660 	uint_t flags, ddi_device_acc_attr_t *accattrp);
661 
662 int
663 devmap_devmem_remap(devmap_cookie_t dhp, dev_info_t *dip,
664 	uint_t rnumber, offset_t roff, size_t len, uint_t maxprot,
665 	uint_t flags, ddi_device_acc_attr_t *accattrp);
666 
667 int
668 devmap_umem_remap(devmap_cookie_t dhp, dev_info_t *dip,
669 	ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot,
670 	uint_t flags, ddi_device_acc_attr_t *accattrp);
671 
672 void
673 devmap_set_ctx_timeout(devmap_cookie_t dhp, clock_t ticks);
674 
675 int
676 devmap_default_access(devmap_cookie_t dhp, void *pvtp, offset_t off,
677 	size_t len, uint_t type, uint_t rw);
678 
679 int
680 devmap_do_ctxmgt(devmap_cookie_t dhp, void *pvtp, offset_t off, size_t len,
681 	uint_t type, uint_t rw, int (*ctxmgt)(devmap_cookie_t, void *, offset_t,
682 	size_t, uint_t, uint_t));
683 
684 
685 void *ddi_umem_alloc(size_t size, int flag, ddi_umem_cookie_t *cookiep);
686 
687 void ddi_umem_free(ddi_umem_cookie_t cookie);
688 
689 /*
690  * Functions to lock user memory and do repeated I/O or do devmap_umem_setup
691  */
692 int
693 ddi_umem_lock(caddr_t addr, size_t size, int flags, ddi_umem_cookie_t *cookie);
694 
695 void
696 ddi_umem_unlock(ddi_umem_cookie_t cookie);
697 
698 struct buf *
699 ddi_umem_iosetup(ddi_umem_cookie_t cookie, off_t off, size_t len, int direction,
700     dev_t dev, daddr_t blkno, int (*iodone)(struct buf *), int sleepflag);
701 
702 /*
703  * Mapping functions
704  */
705 int
706 ddi_segmap(dev_t dev, off_t offset, struct as *asp, caddr_t *addrp, off_t len,
707 	uint_t prot, uint_t maxprot, uint_t flags, cred_t *credp);
708 
709 int
710 ddi_segmap_setup(dev_t dev, off_t offset, struct as *as, caddr_t *addrp,
711 	off_t len, uint_t prot, uint_t maxprot, uint_t flags, cred_t *cred,
712 	ddi_device_acc_attr_t *accattrp, uint_t rnumber);
713 
714 int
715 ddi_map_fault(dev_info_t *dip, struct hat *hat, struct seg *seg, caddr_t addr,
716 	struct devpage *dp, pfn_t pfn, uint_t prot, uint_t lock);
717 
718 int
719 ddi_device_mapping_check(dev_t dev, ddi_device_acc_attr_t *accattrp,
720 	uint_t rnumber, uint_t *hat_flags);
721 
722 /*
723  * Property functions:   See also, ddipropdefs.h.
724  *			In general, the underlying driver MUST be held
725  *			to call it's property functions.
726  */
727 
728 /*
729  * Used to create, modify, and lookup integer properties
730  */
731 int ddi_prop_get_int(dev_t match_dev, dev_info_t *dip, uint_t flags,
732     char *name, int defvalue);
733 int64_t ddi_prop_get_int64(dev_t match_dev, dev_info_t *dip, uint_t flags,
734     char *name, int64_t defvalue);
735 int ddi_prop_lookup_int_array(dev_t match_dev, dev_info_t *dip, uint_t flags,
736     char *name, int **data, uint_t *nelements);
737 int ddi_prop_lookup_int64_array(dev_t match_dev, dev_info_t *dip, uint_t flags,
738     char *name, int64_t **data, uint_t *nelements);
739 int ddi_prop_update_int(dev_t match_dev, dev_info_t *dip,
740     char *name, int data);
741 int ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip,
742     char *name, int64_t data);
743 int ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip,
744     char *name, int *data, uint_t nelements);
745 int ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip,
746     char *name, int64_t *data, uint_t nelements);
747 /*
748  * Used to create, modify, and lookup string properties
749  */
750 int ddi_prop_lookup_string(dev_t match_dev, dev_info_t *dip, uint_t flags,
751     char *name, char **data);
752 int ddi_prop_lookup_string_array(dev_t match_dev, dev_info_t *dip, uint_t flags,
753     char *name, char ***data, uint_t *nelements);
754 int ddi_prop_update_string(dev_t match_dev, dev_info_t *dip,
755     char *name, char *data);
756 int ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip,
757     char *name, char **data, uint_t nelements);
758 
759 /*
760  * Used to create, modify, and lookup byte properties
761  */
762 int ddi_prop_lookup_byte_array(dev_t match_dev, dev_info_t *dip, uint_t flags,
763     char *name, uchar_t **data, uint_t *nelements);
764 int ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip,
765     char *name, uchar_t *data, uint_t nelements);
766 
767 /*
768  * Used to verify the existence of a property or to see if a boolean
769  * property exists.
770  */
771 int ddi_prop_exists(dev_t match_dev, dev_info_t *dip, uint_t flags, char *name);
772 
773 /*
774  * Used to free the data returned by the above property routines.
775  */
776 void ddi_prop_free(void *data);
777 
778 /*
779  * nopropop: For internal use in `dummy' cb_prop_op functions only
780  */
781 
782 int
783 nopropop(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags,
784 	char *name, caddr_t valuep, int *lengthp);
785 
786 /*
787  * ddi_prop_op: The basic property operator for drivers.
788  *
789  * In ddi_prop_op, the type of valuep is interpreted based on prop_op:
790  *
791  *	prop_op			valuep
792  *	------			------
793  *
794  *	PROP_LEN		<unused>
795  *
796  *	PROP_LEN_AND_VAL_BUF	Pointer to callers buffer
797  *
798  *	PROP_LEN_AND_VAL_ALLOC	Address of callers pointer (will be set to
799  *				address of allocated buffer, if successful)
800  */
801 
802 int
803 ddi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags,
804 	char *name, caddr_t valuep, int *lengthp);
805 
806 /* ddi_prop_op_size: for drivers that implement size in bytes */
807 int
808 ddi_prop_op_size(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op,
809 	int mod_flags, char *name, caddr_t valuep, int *lengthp,
810 	uint64_t size64);
811 
812 /* ddi_prop_op_nblocks: for drivers that implement size in DEV_BSIZE blocks */
813 int
814 ddi_prop_op_nblocks(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op,
815 	int mod_flags, char *name, caddr_t valuep, int *lengthp,
816 	uint64_t nblocks64);
817 
818 /*
819  * Variable length props...
820  */
821 
822 /*
823  * ddi_getlongprop:	Get variable length property len+val into a buffer
824  *		allocated by property provider via kmem_alloc. Requester
825  *		is responsible for freeing returned property via kmem_free.
826  *
827  * 	Arguments:
828  *
829  *	dev:	Input:	dev_t of property.
830  *	dip:	Input:	dev_info_t pointer of child.
831  *	flags:	Input:	Possible flag modifiers are:
832  *		DDI_PROP_DONTPASS:	Don't pass to parent if prop not found.
833  *		DDI_PROP_CANSLEEP:	Memory allocation may sleep.
834  *	name:	Input:	name of property.
835  *	valuep:	Output:	Addr of callers buffer pointer.
836  *	lengthp:Output:	*lengthp will contain prop length on exit.
837  *
838  * 	Possible Returns:
839  *
840  *		DDI_PROP_SUCCESS:	Prop found and returned.
841  *		DDI_PROP_NOT_FOUND:	Prop not found
842  *		DDI_PROP_UNDEFINED:	Prop explicitly undefined.
843  *		DDI_PROP_NO_MEMORY:	Prop found, but unable to alloc mem.
844  */
845 
846 int
847 ddi_getlongprop(dev_t dev, dev_info_t *dip, int flags,
848 	char *name, caddr_t valuep, int *lengthp);
849 
850 /*
851  *
852  * ddi_getlongprop_buf:		Get long prop into pre-allocated callers
853  *				buffer. (no memory allocation by provider).
854  *
855  *	dev:	Input:	dev_t of property.
856  *	dip:	Input:	dev_info_t pointer of child.
857  *	flags:	Input:	DDI_PROP_DONTPASS or NULL
858  *	name:	Input:	name of property
859  *	valuep:	Input:	ptr to callers buffer.
860  *	lengthp:I/O:	ptr to length of callers buffer on entry,
861  *			actual length of property on exit.
862  *
863  *	Possible returns:
864  *
865  *		DDI_PROP_SUCCESS	Prop found and returned
866  *		DDI_PROP_NOT_FOUND	Prop not found
867  *		DDI_PROP_UNDEFINED	Prop explicitly undefined.
868  *		DDI_PROP_BUF_TOO_SMALL	Prop found, callers buf too small,
869  *					no value returned, but actual prop
870  *					length returned in *lengthp
871  *
872  */
873 
874 int
875 ddi_getlongprop_buf(dev_t dev, dev_info_t *dip, int flags,
876 	char *name, caddr_t valuep, int *lengthp);
877 
878 /*
879  * Integer/boolean sized props.
880  *
881  * Call is value only... returns found boolean or int sized prop value or
882  * defvalue if prop not found or is wrong length or is explicitly undefined.
883  * Only flag is DDI_PROP_DONTPASS...
884  *
885  * By convention, this interface returns boolean (0) sized properties
886  * as value (int)1.
887  */
888 
889 int
890 ddi_getprop(dev_t dev, dev_info_t *dip, int flags, char *name, int defvalue);
891 
892 /*
893  * Get prop length interface: flags are 0 or DDI_PROP_DONTPASS
894  * if returns DDI_PROP_SUCCESS, length returned in *lengthp.
895  */
896 
897 int
898 ddi_getproplen(dev_t dev, dev_info_t *dip, int flags, char *name, int *lengthp);
899 
900 
901 /*
902  * Interface to create/modify a managed property on child's behalf...
903  * Only flag is DDI_PROP_CANSLEEP to allow memory allocation to sleep
904  * if no memory available for internal prop structure.  Long property
905  * (non integer sized) value references are not copied.
906  *
907  * Define property with DDI_DEV_T_NONE dev_t for properties not associated
908  * with any particular dev_t. Use the same dev_t when modifying or undefining
909  * a property.
910  *
911  * No guarantee on order of property search, so don't mix the same
912  * property name with wildcard and non-wildcard dev_t's.
913  */
914 
915 /*
916  * ddi_prop_create:	Define a managed property:
917  */
918 
919 int
920 ddi_prop_create(dev_t dev, dev_info_t *dip, int flag,
921 	char *name, caddr_t value, int length);
922 
923 /*
924  * ddi_prop_modify:	Modify a managed property value
925  */
926 
927 int
928 ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag,
929 	char *name, caddr_t value, int length);
930 
931 /*
932  * ddi_prop_remove:	Undefine a managed property:
933  */
934 
935 int
936 ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name);
937 
938 /*
939  * ddi_prop_remove_all:		Used before unloading a driver to remove
940  *				all properties. (undefines all dev_t's props.)
941  *				Also removes `undefined' prop defs.
942  */
943 
944 void
945 ddi_prop_remove_all(dev_info_t *dip);
946 
947 
948 /*
949  * ddi_prop_undefine:	Explicitly undefine a property.  Property
950  *			searches which match this property return
951  *			the error code DDI_PROP_UNDEFINED.
952  *
953  *			Use ddi_prop_remove to negate effect of
954  *			ddi_prop_undefine
955  */
956 
957 int
958 ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name);
959 
960 
961 /*
962  * The default ddi_bus_prop_op wrapper...
963  */
964 
965 int
966 ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip,
967 	ddi_prop_op_t prop_op, int mod_flags,
968 	char *name, caddr_t valuep, int *lengthp);
969 
970 
971 /*
972  * Routines to traverse the tree of dev_info nodes.
973  * The general idea of these functions is to provide
974  * various tree traversal utilities. For each node
975  * that the tree traversal function finds, a caller
976  * supplied function is called with arguments of
977  * the current node and a caller supplied argument.
978  * The caller supplied function should return one
979  * of the integer values defined below which will
980  * indicate to the tree traversal function whether
981  * the traversal should be continued, and if so, how,
982  * or whether the traversal should terminate.
983  */
984 
985 /*
986  * This general-purpose routine traverses the tree of dev_info nodes,
987  * starting from the given node, and calls the given function for each
988  * node that it finds with the current node and the pointer arg (which
989  * can point to a structure of information that the function
990  * needs) as arguments.
991  *
992  * It does the walk a layer at a time, not depth-first.
993  *
994  * The given function must return one of the values defined above.
995  *
996  */
997 
998 void
999 ddi_walk_devs(dev_info_t *, int (*)(dev_info_t *, void *), void *);
1000 
1001 /*
1002  * Routines to get at elements of the dev_info structure
1003  */
1004 
1005 /*
1006  * ddi_node_name gets the device's 'name' from the device node.
1007  *
1008  * ddi_binding_name gets the string the OS used to bind the node to a driver,
1009  * in certain cases, the binding name may be different from the node name,
1010  * if the node name does not name a specific device driver.
1011  *
1012  * ddi_get_name is a synonym for ddi_binding_name().
1013  */
1014 char *
1015 ddi_get_name(dev_info_t *dip);
1016 
1017 char *
1018 ddi_binding_name(dev_info_t *dip);
1019 
1020 const char *
1021 ddi_driver_name(dev_info_t *dip);
1022 
1023 major_t
1024 ddi_driver_major(dev_info_t *dip);
1025 
1026 major_t
1027 ddi_compatible_driver_major(dev_info_t *dip, char **formp);
1028 
1029 char *
1030 ddi_node_name(dev_info_t *dip);
1031 
1032 int
1033 ddi_get_nodeid(dev_info_t *dip);
1034 
1035 int
1036 ddi_get_instance(dev_info_t *dip);
1037 
1038 struct dev_ops *
1039 ddi_get_driver(dev_info_t *dip);
1040 
1041 void
1042 ddi_set_driver(dev_info_t *dip, struct dev_ops *devo);
1043 
1044 void
1045 ddi_set_driver_private(dev_info_t *dip, void *data);
1046 
1047 void *
1048 ddi_get_driver_private(dev_info_t *dip);
1049 
1050 /*
1051  * ddi_dev_is_needed tells system that a device is about to use a
1052  * component. Returns when component is ready.
1053  */
1054 int
1055 ddi_dev_is_needed(dev_info_t *dip, int cmpt, int level);
1056 
1057 /*
1058  * check if DDI_SUSPEND may result in power being removed from a device.
1059  */
1060 int
1061 ddi_removing_power(dev_info_t *dip);
1062 
1063 /*
1064  *  (Obsolete) power entry point
1065  */
1066 int
1067 ddi_power(dev_info_t *dip, int cmpt, int level);
1068 
1069 /*
1070  * ddi_get_parent requires that the branch of the tree with the
1071  * node be held (ddi_hold_installed_driver) or that the devinfo tree
1072  * lock be held
1073  */
1074 dev_info_t *
1075 ddi_get_parent(dev_info_t *dip);
1076 
1077 /*
1078  * ddi_get_child and ddi_get_next_sibling require that the devinfo
1079  * tree lock be held
1080  */
1081 dev_info_t *
1082 ddi_get_child(dev_info_t *dip);
1083 
1084 dev_info_t *
1085 ddi_get_next_sibling(dev_info_t *dip);
1086 
1087 dev_info_t *
1088 ddi_get_next(dev_info_t *dip);
1089 
1090 void
1091 ddi_set_next(dev_info_t *dip, dev_info_t *nextdip);
1092 
1093 /*
1094  * dev_info manipulation functions
1095  */
1096 
1097 /*
1098  * Add and remove child devices. These are part of the system framework.
1099  *
1100  * ddi_add_child creates a dev_info structure with the passed name,
1101  * nodeid and instance arguments and makes it a child of pdip. Devices
1102  * that are known directly by the hardware have real nodeids; devices
1103  * that are software constructs use the defined DEVI_PSEUDO_NODEID
1104  * for the node id.
1105  *
1106  * ddi_remove_node removes the node from the tree. This fails if this
1107  * child has children. Parent and driver private data should already
1108  * be released (freed) prior to calling this function.  If flag is
1109  * non-zero, the child is removed from it's linked list of instances.
1110  */
1111 dev_info_t *
1112 ddi_add_child(dev_info_t *pdip, char *name, uint_t nodeid, uint_t instance);
1113 
1114 int
1115 ddi_remove_child(dev_info_t *dip, int flag);
1116 
1117 /*
1118  * Given the major number for a driver, make sure that dev_info nodes
1119  * are created form the driver's hwconf file, the driver for the named
1120  * device is loaded and attached, as well as any drivers for parent devices.
1121  * Return a pointer to the driver's dev_ops struct with the dev_ops held.
1122  * Note - Callers must release the dev_ops with ddi_rele_driver.
1123  *
1124  * When a driver is held, the branch of the devinfo tree from any of the
1125  * drivers devinfos to the root node are automatically held.  This only
1126  * applies to tree traversals up (and back down) the tree following the
1127  * parent pointers.
1128  *
1129  * Use of this interface is discouraged, it may be removed in a future release.
1130  */
1131 struct dev_ops *
1132 ddi_hold_installed_driver(major_t major);
1133 
1134 void
1135 ddi_rele_driver(major_t major);
1136 
1137 /*
1138  * Attach and hold the specified instance of a driver.  The flags argument
1139  * should be zero.
1140  */
1141 dev_info_t *
1142 ddi_hold_devi_by_instance(major_t major, int instance, int flags);
1143 
1144 void
1145 ddi_release_devi(dev_info_t *);
1146 
1147 /*
1148  * Associate a streams queue with a devinfo node
1149  */
1150 void
1151 ddi_assoc_queue_with_devi(queue_t *, dev_info_t *);
1152 
1153 /*
1154  * Given the identifier string passed, make sure that dev_info nodes
1155  * are created form the driver's hwconf file, the driver for the named
1156  * device is loaded and attached, as well as any drivers for parent devices.
1157  *
1158  * Note that the driver is not held and is subject to being removed the instant
1159  * this call completes.  You probably really want ddi_hold_installed_driver.
1160  */
1161 int
1162 ddi_install_driver(char *idstring);
1163 
1164 /*
1165  * Routines that return specific nodes
1166  */
1167 
1168 dev_info_t *
1169 ddi_root_node(void);
1170 
1171 /*
1172  * Given a name and an instance number, find and return the
1173  * dev_info from the current state of the device tree.
1174  *
1175  * If instance number is -1, return the first named instance.
1176  *
1177  * If attached is 1, exclude all nodes that are < DS_ATTACHED
1178  *
1179  * Requires that the devinfo tree be locked.
1180  * If attached is 1, the driver must be held.
1181  */
1182 dev_info_t *
1183 ddi_find_devinfo(char *name, int instance, int attached);
1184 
1185 /*
1186  * Synchronization of I/O with respect to various
1187  * caches and system write buffers.
1188  *
1189  * Done at varying points during an I/O transfer (including at the
1190  * removal of an I/O mapping).
1191  *
1192  * Due to the support of systems with write buffers which may
1193  * not be able to be turned off, this function *must* used at
1194  * any point in which data consistency might be required.
1195  *
1196  * Generally this means that if a memory object has multiple mappings
1197  * (both for I/O, as described by the handle, and the IU, via, e.g.
1198  * a call to ddi_dma_kvaddrp), and one mapping may have been
1199  * used to modify the memory object, this function must be called
1200  * to ensure that the modification of the memory object is
1201  * complete, as well as possibly to inform other mappings of
1202  * the object that any cached references to the object are
1203  * now stale (and flush or invalidate these stale cache references
1204  * as necessary).
1205  *
1206  * The function ddi_dma_sync() provides the general interface with
1207  * respect to this capability. Generally, ddi_dma_free() (below) may
1208  * be used in preference to ddi_dma_sync() as ddi_dma_free() calls
1209  * ddi_dma_sync().
1210  *
1211  * Returns 0 if all caches that exist and are specified by cache_flags
1212  * are successfully operated on, else -1.
1213  *
1214  * The argument offset specifies an offset into the mapping of the mapped
1215  * object in which to perform the synchronization. It will be silently
1216  * truncated to the granularity of underlying cache line sizes as
1217  * appropriate.
1218  *
1219  * The argument len specifies a length starting from offset in which to
1220  * perform the synchronization. A value of (uint_t) -1 means that the length
1221  * proceeds from offset to the end of the mapping. The length argument
1222  * will silently rounded up to the granularity of underlying cache line
1223  * sizes  as appropriate.
1224  *
1225  * The argument flags specifies what to synchronize (the device's view of
1226  * the object or the cpu's view of the object).
1227  *
1228  * Inquiring minds want to know when ddi_dma_sync should be used:
1229  *
1230  * +	When an object is mapped for dma, assume that an
1231  *	implicit ddi_dma_sync() is done for you.
1232  *
1233  * +	When an object is unmapped (ddi_dma_free()), assume
1234  *	that an implicit ddi_dma_sync() is done for you.
1235  *
1236  * +	At any time between the two times above that the
1237  *	memory object may have been modified by either
1238  *	the DMA device or a processor and you wish that
1239  *	the change be noticed by the master that didn't
1240  *	do the modifying.
1241  *
1242  * Clearly, only the third case above requires the use of ddi_dma_sync.
1243  *
1244  * Inquiring minds also want to know which flag to use:
1245  *
1246  * +	If you *modify* with a cpu the object, you use
1247  *	ddi_dma_sync(...DDI_DMA_SYNC_FORDEV) (you are making sure
1248  *	that the DMA device sees the changes you made).
1249  *
1250  * +	If you are checking, with the processor, an area
1251  *	of the object that the DMA device *may* have modified,
1252  *	you use ddi_dma_sync(....DDI_DMA_SYNC_FORCPU) (you are
1253  *	making sure that the processor(s) will see the changes
1254  *	that the DMA device may have made).
1255  */
1256 
1257 int
1258 ddi_dma_sync(ddi_dma_handle_t handle, off_t offset, size_t len, uint_t flags);
1259 
1260 /*
1261  * Return the allowable DMA burst size for the object mapped by handle.
1262  * The burst sizes will returned in an integer that encodes power
1263  * of two burst sizes that are allowed in bit encoded format. For
1264  * example, a transfer that could allow 1, 2, 4, 8 and 32 byte bursts
1265  * would be encoded as 0x2f. A transfer that could be allowed as solely
1266  * a halfword (2 byte) transfers would be returned as 0x2.
1267  */
1268 
1269 int
1270 ddi_dma_burstsizes(ddi_dma_handle_t handle);
1271 
1272 /*
1273  * Merge DMA attributes
1274  */
1275 
1276 void
1277 ddi_dma_attr_merge(ddi_dma_attr_t *attr, ddi_dma_attr_t *mod);
1278 
1279 /*
1280  * Allocate a DMA handle
1281  */
1282 
1283 int
1284 ddi_dma_alloc_handle(dev_info_t *dip, ddi_dma_attr_t *attr,
1285 	int (*waitfp)(caddr_t), caddr_t arg,
1286 	ddi_dma_handle_t *handlep);
1287 
1288 /*
1289  * Free DMA handle
1290  */
1291 
1292 void
1293 ddi_dma_free_handle(ddi_dma_handle_t *handlep);
1294 
1295 /*
1296  * Allocate memory for DMA transfers
1297  */
1298 
1299 int
1300 ddi_dma_mem_alloc(ddi_dma_handle_t handle, size_t length,
1301 	ddi_device_acc_attr_t *accattrp, uint_t xfermodes,
1302 	int (*waitfp)(caddr_t), caddr_t arg, caddr_t *kaddrp,
1303 	size_t *real_length, ddi_acc_handle_t *handlep);
1304 
1305 /*
1306  * Free DMA memory
1307  */
1308 
1309 void
1310 ddi_dma_mem_free(ddi_acc_handle_t *hp);
1311 
1312 /*
1313  * bind address to a DMA handle
1314  */
1315 
1316 int
1317 ddi_dma_addr_bind_handle(ddi_dma_handle_t handle, struct as *as,
1318 	caddr_t addr, size_t len, uint_t flags,
1319 	int (*waitfp)(caddr_t), caddr_t arg,
1320 	ddi_dma_cookie_t *cookiep, uint_t *ccountp);
1321 
1322 /*
1323  * bind buffer to DMA handle
1324  */
1325 
1326 int
1327 ddi_dma_buf_bind_handle(ddi_dma_handle_t handle, struct buf *bp,
1328 	uint_t flags, int (*waitfp)(caddr_t), caddr_t arg,
1329 	ddi_dma_cookie_t *cookiep, uint_t *ccountp);
1330 
1331 /*
1332  * unbind mapping object to handle
1333  */
1334 
1335 int
1336 ddi_dma_unbind_handle(ddi_dma_handle_t handle);
1337 
1338 /*
1339  * get next DMA cookie
1340  */
1341 
1342 void
1343 ddi_dma_nextcookie(ddi_dma_handle_t handle, ddi_dma_cookie_t *cookiep);
1344 
1345 /*
1346  * get number of DMA windows
1347  */
1348 
1349 int
1350 ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp);
1351 
1352 /*
1353  * get specific DMA window
1354  */
1355 
1356 int
1357 ddi_dma_getwin(ddi_dma_handle_t handle, uint_t win, off_t *offp,
1358 	size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp);
1359 
1360 /*
1361  * activate 64 bit SBus support
1362  */
1363 
1364 int
1365 ddi_dma_set_sbus64(ddi_dma_handle_t handle, ulong_t burstsizes);
1366 
1367 /*
1368  * Miscellaneous functions
1369  */
1370 
1371 /*
1372  * ddi_report_dev:	Report a successful attach.
1373  */
1374 
1375 void
1376 ddi_report_dev(dev_info_t *dev);
1377 
1378 /*
1379  * ddi_dev_regsize
1380  *
1381  *	If the device has h/w register(s), report
1382  *	the size, in bytes, of the specified one into *resultp.
1383  *
1384  *	Returns DDI_FAILURE if there are not registers,
1385  *	or the specified register doesn't exist.
1386  */
1387 
1388 int
1389 ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *resultp);
1390 
1391 /*
1392  * ddi_dev_nregs
1393  *
1394  *	If the device has h/w register(s), report
1395  *	how many of them that there are into resultp.
1396  *	Return DDI_FAILURE if the device has no registers.
1397  */
1398 
1399 int
1400 ddi_dev_nregs(dev_info_t *dev, int *resultp);
1401 
1402 /*
1403  * ddi_dev_is_sid
1404  *
1405  *	If the device is self-identifying, i.e.,
1406  *	has already been probed by a smart PROM
1407  *	(and thus registers are known to be valid)
1408  *	return DDI_SUCCESS, else DDI_FAILURE.
1409  */
1410 
1411 
1412 int
1413 ddi_dev_is_sid(dev_info_t *dev);
1414 
1415 /*
1416  * ddi_slaveonly
1417  *
1418  *	If the device is on a bus that precludes
1419  *	the device from being either a dma master or
1420  *	a dma slave, return DDI_SUCCESS.
1421  */
1422 
1423 int
1424 ddi_slaveonly(dev_info_t *);
1425 
1426 
1427 /*
1428  * ddi_dev_affinity
1429  *
1430  *	Report, via DDI_SUCCESS, whether there exists
1431  *	an 'affinity' between two dev_info_t's. An
1432  *	affinity is defined to be either a parent-child,
1433  *	or a sibling relationship such that the siblings
1434  *	or in the same part of the bus they happen to be
1435  *	on.
1436  */
1437 
1438 int
1439 ddi_dev_affinity(dev_info_t *deva, dev_info_t *devb);
1440 
1441 
1442 /*
1443  * ddi_set_callback
1444  *
1445  *	Set a function/arg pair into the callback list identified
1446  *	by listid. *listid must always initially start out as zero.
1447  */
1448 
1449 void
1450 ddi_set_callback(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid);
1451 
1452 /*
1453  * ddi_run_callback
1454  *
1455  *	Run the callback list identified by listid.
1456  */
1457 
1458 void
1459 ddi_run_callback(uintptr_t *listid);
1460 
1461 /*
1462  * More miscellaneous
1463  */
1464 
1465 int
1466 nochpoll(dev_t dev, short events, int anyyet, short *reventsp,
1467 	struct pollhead **phpp);
1468 
1469 dev_info_t *
1470 nodevinfo(dev_t dev, int otyp);
1471 
1472 int
1473 ddi_no_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result);
1474 
1475 int
1476 ddi_getinfo_1to1(dev_info_t *dip, ddi_info_cmd_t infocmd,
1477     void *arg, void **result);
1478 
1479 int
1480 ddifail(dev_info_t *devi, ddi_attach_cmd_t cmd);
1481 
1482 int
1483 ddi_no_dma_map(dev_info_t *dip, dev_info_t *rdip,
1484     struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep);
1485 
1486 int
1487 ddi_no_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr,
1488     int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep);
1489 
1490 int
1491 ddi_no_dma_freehdl(dev_info_t *dip, dev_info_t *rdip,
1492     ddi_dma_handle_t handle);
1493 
1494 int
1495 ddi_no_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip,
1496     ddi_dma_handle_t handle, struct ddi_dma_req *dmareq,
1497     ddi_dma_cookie_t *cp, uint_t *ccountp);
1498 
1499 int
1500 ddi_no_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip,
1501     ddi_dma_handle_t handle);
1502 
1503 int
1504 ddi_no_dma_flush(dev_info_t *dip, dev_info_t *rdip,
1505     ddi_dma_handle_t handle, off_t off, size_t len,
1506     uint_t cache_flags);
1507 
1508 int
1509 ddi_no_dma_win(dev_info_t *dip, dev_info_t *rdip,
1510     ddi_dma_handle_t handle, uint_t win, off_t *offp,
1511     size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp);
1512 
1513 int
1514 ddi_no_dma_mctl(register dev_info_t *dip, dev_info_t *rdip,
1515     ddi_dma_handle_t handle, enum ddi_dma_ctlops request,
1516     off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags);
1517 
1518 void
1519 ddivoid();
1520 
1521 cred_t *
1522 ddi_get_cred(void);
1523 
1524 clock_t
1525 ddi_get_lbolt(void);
1526 
1527 time_t
1528 ddi_get_time(void);
1529 
1530 pid_t
1531 ddi_get_pid(void);
1532 
1533 kt_did_t
1534 ddi_get_kt_did(void);
1535 
1536 boolean_t
1537 ddi_can_receive_sig(void);
1538 
1539 void
1540 swab(void *src, void *dst, size_t nbytes);
1541 
1542 int
1543 ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type,
1544     minor_t minor_num, char *node_type, int flag);
1545 
1546 int
1547 ddi_create_priv_minor_node(dev_info_t *dip, char *name, int spec_type,
1548     minor_t minor_num, char *node_type, int flag,
1549     const char *rdpriv, const char *wrpriv, mode_t priv_mode);
1550 
1551 void
1552 ddi_remove_minor_node(dev_info_t *dip, char *name);
1553 
1554 int
1555 ddi_in_panic(void);
1556 
1557 int
1558 ddi_streams_driver(dev_info_t *dip);
1559 
1560 /*
1561  * DDI wrappers for ffs and fls
1562  */
1563 int
1564 ddi_ffs(long mask);
1565 
1566 int
1567 ddi_fls(long mask);
1568 
1569 /*
1570  * The next five routines comprise generic storage management utilities
1571  * for driver soft state structures.
1572  */
1573 
1574 /*
1575  * Allocate a set of pointers to 'n_items' objects of size 'size'
1576  * bytes.  Each pointer is initialized to nil. 'n_items' is a hint i.e.
1577  * zero is allowed.
1578  */
1579 int
1580 ddi_soft_state_init(void **state_p, size_t size, size_t n_items);
1581 
1582 /*
1583  * Allocate a state structure of size 'size' to be associated
1584  * with item 'item'.
1585  */
1586 int
1587 ddi_soft_state_zalloc(void *state, int item);
1588 
1589 /*
1590  * Fetch a pointer to the allocated soft state structure
1591  * corresponding to 'item.'
1592  */
1593 void *
1594 ddi_get_soft_state(void *state, int item);
1595 
1596 /*
1597  * Free the state structure corresponding to 'item.'
1598  */
1599 void
1600 ddi_soft_state_free(void *state, int item);
1601 
1602 /*
1603  * Free the handle, and any associated soft state structures.
1604  */
1605 void
1606 ddi_soft_state_fini(void **state_p);
1607 
1608 /*
1609  * Set the addr field of the name in dip to name
1610  */
1611 void
1612 ddi_set_name_addr(dev_info_t *dip, char *name);
1613 
1614 /*
1615  * Get the address part of the name.
1616  */
1617 char *
1618 ddi_get_name_addr(dev_info_t *dip);
1619 
1620 void
1621 ddi_set_parent_data(dev_info_t *dip, void *pd);
1622 
1623 void *
1624 ddi_get_parent_data(dev_info_t *dip);
1625 
1626 int
1627 ddi_initchild(dev_info_t *parent, dev_info_t *proto);
1628 
1629 int
1630 ddi_uninitchild(dev_info_t *dip);
1631 
1632 major_t
1633 ddi_name_to_major(char *name);
1634 
1635 char *
1636 ddi_major_to_name(major_t major);
1637 
1638 char *
1639 ddi_deviname(dev_info_t *dip, char *name);
1640 
1641 char *
1642 ddi_pathname(dev_info_t *dip, char *path);
1643 
1644 int
1645 ddi_dev_pathname(dev_t devt, int spec_type, char *name);
1646 
1647 dev_t
1648 ddi_pathname_to_dev_t(char *pathname);
1649 
1650 /*
1651  * High resolution system timer functions.
1652  *
1653  * These functions are already in the kernel (see sys/time.h).
1654  * The ddi supports the notion of a hrtime_t type and the
1655  * functions gethrtime, hrtadd, hrtsub and hrtcmp.
1656  */
1657 
1658 
1659 /*
1660  * Nexus wrapper functions
1661  *
1662  * These functions are for entries in a bus nexus driver's bus_ops
1663  * structure for when the driver doesn't have such a function and
1664  * doesn't wish to prohibit such a function from existing. They
1665  * may also be called to start passing a request up the dev_info
1666  * tree.
1667  */
1668 
1669 /*
1670  * bus_ctl wrapper
1671  */
1672 
1673 int
1674 ddi_ctlops(dev_info_t *d, dev_info_t *r, ddi_ctl_enum_t o, void *a, void *v);
1675 
1676 /*
1677  * bus_dma_map wrapper
1678  */
1679 
1680 int
1681 ddi_dma_map(dev_info_t *dip, dev_info_t *rdip,
1682 	struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep);
1683 
1684 int
1685 ddi_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr,
1686 	int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep);
1687 
1688 int
1689 ddi_dma_freehdl(dev_info_t *dip, dev_info_t *rdip,
1690 	ddi_dma_handle_t handle);
1691 
1692 int
1693 ddi_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip,
1694 	ddi_dma_handle_t handle, struct ddi_dma_req *dmareq,
1695 	ddi_dma_cookie_t *cp, uint_t *ccountp);
1696 
1697 int
1698 ddi_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip,
1699 	ddi_dma_handle_t handle);
1700 
1701 int
1702 ddi_dma_flush(dev_info_t *dip, dev_info_t *rdip,
1703 	ddi_dma_handle_t handle, off_t off, size_t len,
1704 	uint_t cache_flags);
1705 
1706 int
1707 ddi_dma_win(dev_info_t *dip, dev_info_t *rdip,
1708 	ddi_dma_handle_t handle, uint_t win, off_t *offp,
1709 	size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp);
1710 
1711 /*
1712  * bus_dma_ctl wrapper
1713  */
1714 
1715 int
1716 ddi_dma_mctl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
1717 	enum ddi_dma_ctlops request, off_t *offp, size_t *lenp,
1718 	caddr_t *objp, uint_t flags);
1719 
1720 /*
1721  * dvma support for networking drivers
1722  */
1723 
1724 unsigned long
1725 dvma_pagesize(dev_info_t *dip);
1726 
1727 int
1728 dvma_reserve(dev_info_t *dip,  ddi_dma_lim_t *limp, uint_t pages,
1729 	ddi_dma_handle_t *handlep);
1730 
1731 void
1732 dvma_release(ddi_dma_handle_t h);
1733 
1734 void
1735 dvma_kaddr_load(ddi_dma_handle_t h, caddr_t a, uint_t len, uint_t index,
1736 	ddi_dma_cookie_t *cp);
1737 
1738 void
1739 dvma_unload(ddi_dma_handle_t h, uint_t objindex, uint_t type);
1740 
1741 void
1742 dvma_sync(ddi_dma_handle_t h, uint_t objindex, uint_t type);
1743 
1744 /*
1745  * Layered driver support
1746  */
1747 
1748 extern int ddi_copyin(const void *, void *, size_t, int);
1749 extern int ddi_copyout(const void *, void *, size_t, int);
1750 
1751 /*
1752  * Send signals to processes
1753  */
1754 extern void *proc_ref(void);
1755 extern void proc_unref(void *pref);
1756 extern int proc_signal(void *pref, int sig);
1757 
1758 /* I/O port access routines */
1759 extern uint8_t inb(int port);
1760 extern uint16_t inw(int port);
1761 extern uint32_t inl(int port);
1762 extern void outb(int port, uint8_t value);
1763 extern void outw(int port, uint16_t value);
1764 extern void outl(int port, uint32_t value);
1765 
1766 /*
1767  * Console bell routines
1768  */
1769 extern void ddi_ring_console_bell(clock_t duration);
1770 extern void ddi_set_console_bell(void (*bellfunc)(clock_t duration));
1771 
1772 /*
1773  * Fault-related functions
1774  */
1775 extern int ddi_check_acc_handle(ddi_acc_handle_t);
1776 extern int ddi_check_dma_handle(ddi_dma_handle_t);
1777 extern void ddi_dev_report_fault(dev_info_t *, ddi_fault_impact_t,
1778 	ddi_fault_location_t, const char *);
1779 extern ddi_devstate_t ddi_get_devstate(dev_info_t *);
1780 
1781 /*
1782  * Miscellaneous redefines
1783  */
1784 #define	uiophysio	physio
1785 
1786 /*
1787  * utilities - "reg" mapping and all common portable data access functions
1788  */
1789 
1790 /*
1791  * error code from ddi_regs_map_setup
1792  */
1793 
1794 #define	DDI_REGS_ACC_CONFLICT	(-10)
1795 
1796 /*
1797  * Device address advance flags
1798  */
1799 
1800 #define	 DDI_DEV_NO_AUTOINCR	0x0000
1801 #define	 DDI_DEV_AUTOINCR	0x0001
1802 
1803 int
1804 ddi_regs_map_setup(dev_info_t *dip, uint_t rnumber, caddr_t *addrp,
1805 	offset_t offset, offset_t len, ddi_device_acc_attr_t *accattrp,
1806 	ddi_acc_handle_t *handle);
1807 
1808 void
1809 ddi_regs_map_free(ddi_acc_handle_t *handle);
1810 
1811 /*
1812  * these are the prototypes for the common portable data access functions
1813  */
1814 
1815 uint8_t
1816 ddi_get8(ddi_acc_handle_t handle, uint8_t *addr);
1817 
1818 uint16_t
1819 ddi_get16(ddi_acc_handle_t handle, uint16_t *addr);
1820 
1821 uint32_t
1822 ddi_get32(ddi_acc_handle_t handle, uint32_t *addr);
1823 
1824 uint64_t
1825 ddi_get64(ddi_acc_handle_t handle, uint64_t *addr);
1826 
1827 void
1828 ddi_rep_get8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr,
1829 	size_t repcount, uint_t flags);
1830 
1831 void
1832 ddi_rep_get16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr,
1833 	size_t repcount, uint_t flags);
1834 
1835 void
1836 ddi_rep_get32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr,
1837 	size_t repcount, uint_t flags);
1838 
1839 void
1840 ddi_rep_get64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr,
1841 	size_t repcount, uint_t flags);
1842 
1843 void
1844 ddi_put8(ddi_acc_handle_t handle, uint8_t *addr, uint8_t value);
1845 
1846 void
1847 ddi_put16(ddi_acc_handle_t handle, uint16_t *addr, uint16_t value);
1848 
1849 void
1850 ddi_put32(ddi_acc_handle_t handle, uint32_t *addr, uint32_t value);
1851 
1852 void
1853 ddi_put64(ddi_acc_handle_t handle, uint64_t *addr, uint64_t value);
1854 
1855 void
1856 ddi_rep_put8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr,
1857 	size_t repcount, uint_t flags);
1858 void
1859 ddi_rep_put16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr,
1860 	size_t repcount, uint_t flags);
1861 void
1862 ddi_rep_put32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr,
1863 	size_t repcount, uint_t flags);
1864 
1865 void
1866 ddi_rep_put64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr,
1867 	size_t repcount, uint_t flags);
1868 
1869 /*
1870  * these are special device handling functions
1871  */
1872 int
1873 ddi_device_zero(ddi_acc_handle_t handle, caddr_t dev_addr,
1874 	size_t bytecount, ssize_t dev_advcnt, uint_t dev_datasz);
1875 
1876 int
1877 ddi_device_copy(
1878 	ddi_acc_handle_t src_handle, caddr_t src_addr, ssize_t src_advcnt,
1879 	ddi_acc_handle_t dest_handle, caddr_t dest_addr, ssize_t dest_advcnt,
1880 	size_t bytecount, uint_t dev_datasz);
1881 
1882 /*
1883  * these are software byte swapping functions
1884  */
1885 uint16_t
1886 ddi_swap16(uint16_t value);
1887 
1888 uint32_t
1889 ddi_swap32(uint32_t value);
1890 
1891 uint64_t
1892 ddi_swap64(uint64_t value);
1893 
1894 /*
1895  * these are the prototypes for PCI local bus functions
1896  */
1897 /*
1898  * PCI power management capabilities reporting in addition to those
1899  * provided by the PCI Power Management Specification.
1900  */
1901 #define	PCI_PM_IDLESPEED	0x1		/* clock for idle dev - cap  */
1902 #define	PCI_PM_IDLESPEED_ANY	(void *)-1	/* any clock for idle dev */
1903 #define	PCI_PM_IDLESPEED_NONE	(void *)-2	/* regular clock for idle dev */
1904 
1905 int
1906 pci_config_setup(dev_info_t *dip, ddi_acc_handle_t *handle);
1907 
1908 void
1909 pci_config_teardown(ddi_acc_handle_t *handle);
1910 
1911 uint8_t
1912 pci_config_get8(ddi_acc_handle_t handle, off_t offset);
1913 
1914 uint16_t
1915 pci_config_get16(ddi_acc_handle_t handle, off_t offset);
1916 
1917 uint32_t
1918 pci_config_get32(ddi_acc_handle_t handle, off_t offset);
1919 
1920 uint64_t
1921 pci_config_get64(ddi_acc_handle_t handle, off_t offset);
1922 
1923 void
1924 pci_config_put8(ddi_acc_handle_t handle, off_t offset, uint8_t value);
1925 
1926 void
1927 pci_config_put16(ddi_acc_handle_t handle, off_t offset, uint16_t value);
1928 
1929 void
1930 pci_config_put32(ddi_acc_handle_t handle, off_t offset, uint32_t value);
1931 
1932 void
1933 pci_config_put64(ddi_acc_handle_t handle, off_t offset, uint64_t value);
1934 
1935 int
1936 pci_report_pmcap(dev_info_t *dip, int cap, void *arg);
1937 
1938 int
1939 pci_restore_config_regs(dev_info_t *dip);
1940 
1941 int
1942 pci_save_config_regs(dev_info_t *dip);
1943 
1944 void
1945 pci_ereport_setup(dev_info_t *dip);
1946 
1947 void
1948 pci_ereport_teardown(dev_info_t *dip);
1949 
1950 void
1951 pci_ereport_post(dev_info_t *dip, ddi_fm_error_t *derr, uint16_t *status);
1952 
1953 #if defined(__i386) || defined(__amd64)
1954 int
1955 pci_peekpoke_check(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, void *,
1956 	int (*handler)(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *,
1957 	void *), kmutex_t *, kmutex_t *);
1958 #endif
1959 
1960 void
1961 pci_target_enqueue(uint64_t, char *, char *, uint64_t);
1962 
1963 void
1964 pci_targetq_init(void);
1965 
1966 /*
1967  * the prototype for the C Language Type Model inquiry.
1968  */
1969 model_t	ddi_mmap_get_model(void);
1970 model_t	ddi_model_convert_from(model_t);
1971 
1972 /*
1973  * these are the prototypes for device id functions.
1974  */
1975 int
1976 ddi_devid_valid(ddi_devid_t devid);
1977 
1978 int
1979 ddi_devid_register(dev_info_t *dip, ddi_devid_t devid);
1980 
1981 void
1982 ddi_devid_unregister(dev_info_t *dip);
1983 
1984 int
1985 ddi_devid_init(dev_info_t *dip, ushort_t devid_type, ushort_t nbytes,
1986     void *id, ddi_devid_t *ret_devid);
1987 
1988 size_t
1989 ddi_devid_sizeof(ddi_devid_t devid);
1990 
1991 void
1992 ddi_devid_free(ddi_devid_t devid);
1993 
1994 int
1995 ddi_devid_compare(ddi_devid_t id1, ddi_devid_t id2);
1996 
1997 int
1998 ddi_devid_scsi_encode(int version, char *driver_name,
1999     uchar_t *inq, size_t inq_len, uchar_t *inq80, size_t inq80_len,
2000     uchar_t *inq83, size_t inq83_len, ddi_devid_t *ret_devid);
2001 
2002 char
2003 *ddi_devid_to_guid(ddi_devid_t devid);
2004 
2005 void
2006 ddi_devid_free_guid(char *guid);
2007 
2008 int
2009 ddi_lyr_get_devid(dev_t dev, ddi_devid_t *ret_devid);
2010 
2011 int
2012 ddi_lyr_get_minor_name(dev_t dev, int spec_type, char **minor_name);
2013 
2014 int
2015 ddi_lyr_devid_to_devlist(ddi_devid_t devid, char *minor_name, int *retndevs,
2016     dev_t **retdevs);
2017 
2018 void
2019 ddi_lyr_free_devlist(dev_t *devlist, int ndevs);
2020 
2021 char *
2022 ddi_devid_str_encode(ddi_devid_t devid, char *minor_name);
2023 
2024 int
2025 ddi_devid_str_decode(char *devidstr, ddi_devid_t *devidp, char **minor_namep);
2026 
2027 void
2028 ddi_devid_str_free(char *devidstr);
2029 
2030 int
2031 ddi_devid_str_compare(char *id1_str, char *id2_str);
2032 
2033 /*
2034  * Event to post to when a devinfo node is removed.
2035  */
2036 #define	DDI_DEVI_REMOVE_EVENT		"DDI:DEVI_REMOVE"
2037 #define	DDI_DEVI_INSERT_EVENT		"DDI:DEVI_INSERT"
2038 #define	DDI_DEVI_BUS_RESET_EVENT	"DDI:DEVI_BUS_RESET"
2039 #define	DDI_DEVI_DEVICE_RESET_EVENT	"DDI:DEVI_DEVICE_RESET"
2040 
2041 /*
2042  * Invoke bus nexus driver's implementation of the
2043  * (*bus_remove_eventcall)() interface to remove a registered
2044  * callback handler for "event".
2045  */
2046 int
2047 ddi_remove_event_handler(ddi_callback_id_t id);
2048 
2049 /*
2050  * Invoke bus nexus driver's implementation of the
2051  * (*bus_add_eventcall)() interface to register a callback handler
2052  * for "event".
2053  */
2054 int
2055 ddi_add_event_handler(dev_info_t *dip, ddi_eventcookie_t event,
2056 	void (*handler)(dev_info_t *, ddi_eventcookie_t, void *, void *),
2057 	void *arg, ddi_callback_id_t *id);
2058 
2059 /*
2060  * Return a handle for event "name" by calling up the device tree
2061  * hierarchy via  (*bus_get_eventcookie)() interface until claimed
2062  * by a bus nexus or top of dev_info tree is reached.
2063  */
2064 int
2065 ddi_get_eventcookie(dev_info_t *dip, char *name,
2066 	ddi_eventcookie_t *event_cookiep);
2067 
2068 /*
2069  * log a system event
2070  */
2071 int
2072 ddi_log_sysevent(dev_info_t *dip, char *vendor, char *class_name,
2073 	char *subclass_name, nvlist_t *attr_list, sysevent_id_t *eidp,
2074 	int sleep_flag);
2075 
2076 /*
2077  * ddi_log_sysevent() vendors
2078  */
2079 #define	DDI_VENDOR_SUNW		"SUNW"
2080 
2081 /*
2082  * Opaque task queue handle.
2083  */
2084 typedef struct ddi_taskq ddi_taskq_t;
2085 
2086 /*
2087  * Use default system priority.
2088  */
2089 #define	TASKQ_DEFAULTPRI -1
2090 
2091 /*
2092  * Create a task queue
2093  */
2094 ddi_taskq_t *ddi_taskq_create(dev_info_t *dip, const char *name,
2095 	int nthreads, pri_t pri, uint_t cflags);
2096 
2097 /*
2098  * destroy a task queue
2099  */
2100 void ddi_taskq_destroy(ddi_taskq_t *tq);
2101 
2102 /*
2103  * Dispatch a task to a task queue
2104  */
2105 int ddi_taskq_dispatch(ddi_taskq_t *tq, void (* func)(void *),
2106 	void *arg, uint_t dflags);
2107 
2108 /*
2109  * Wait for all previously scheduled tasks to complete.
2110  */
2111 void ddi_taskq_wait(ddi_taskq_t *tq);
2112 
2113 /*
2114  * Suspend all task execution.
2115  */
2116 void ddi_taskq_suspend(ddi_taskq_t *tq);
2117 
2118 /*
2119  * Resume task execution.
2120  */
2121 void ddi_taskq_resume(ddi_taskq_t *tq);
2122 
2123 /*
2124  * Is task queue suspended?
2125  */
2126 boolean_t ddi_taskq_suspended(ddi_taskq_t *tq);
2127 
2128 /*
2129  * Parse an interface name of the form <alphanumeric>##<numeric> where
2130  * <numeric> is maximal.
2131  */
2132 int ddi_parse(const char *, char *, uint_t *);
2133 
2134 #endif	/* _KERNEL */
2135 
2136 #ifdef	__cplusplus
2137 }
2138 #endif
2139 
2140 #endif	/* _SYS_SUNDDI_H */
2141