sunddi.h revision 8863:94039d51dda4
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 2009 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/* 31 * Sun Specific DDI definitions 32 */ 33 34#include <sys/isa_defs.h> 35#include <sys/dditypes.h> 36#include <sys/ddipropdefs.h> 37#include <sys/devops.h> 38#include <sys/time.h> 39#include <sys/cmn_err.h> 40#include <sys/ddidevmap.h> 41#include <sys/ddi_impldefs.h> 42#include <sys/ddi_implfuncs.h> 43#include <sys/ddi_isa.h> 44#include <sys/model.h> 45#include <sys/devctl.h> 46#if defined(__i386) || defined(__amd64) 47#include <sys/dma_engine.h> 48#endif 49#include <sys/sunpm.h> 50#include <sys/nvpair.h> 51#include <sys/sysevent.h> 52#include <sys/thread.h> 53#include <sys/stream.h> 54#if defined(__GNUC__) && defined(_ASM_INLINES) && defined(_KERNEL) 55#include <asm/sunddi.h> 56#endif 57#ifdef _KERNEL 58#include <sys/ddi_obsolete.h> 59#endif 60#include <sys/u8_textprep.h> 61#include <sys/kiconv.h> 62 63#ifdef __cplusplus 64extern "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#define DDI_EALREADY (-7) /* operation already in progress */ 79 80/* 81 * General-purpose DDI error return value definitions 82 */ 83#define DDI_ENOMEM 1 /* memory not available */ 84#define DDI_EBUSY 2 /* busy */ 85#define DDI_ETRANSPORT 3 /* transport down */ 86#define DDI_ECONTEXT 4 /* context error */ 87 88 89/* 90 * General DDI sleep/nosleep allocation flags 91 */ 92#define DDI_SLEEP 0 93#define DDI_NOSLEEP 1 94 95/* 96 * The following special nodeid values are reserved for use when creating 97 * nodes ONLY. They specify the attributes of the DDI_NC_PSEUDO class node 98 * being created: 99 * 100 * o DEVI_PSEUDO_NODEID specifics a node without persistence. 101 * o DEVI_SID_NODEID specifies a node with persistence. 102 * 103 * A node with the 'persistent' attribute will not be automatically removed by 104 * the framework in the current implementation - driver.conf nodes are without 105 * persistence. 106 * 107 * The actual nodeid value may be assigned by the framework and may be 108 * different than these special values. Drivers may not make assumptions 109 * about the nodeid value that is actually assigned to the node. 110 */ 111 112#define DEVI_PSEUDO_NODEID ((int)-1) 113#define DEVI_SID_NODEID ((int)-2) 114 115#define DEVI_PSEUDO_NEXNAME "pseudo" 116#define DEVI_ISA_NEXNAME "isa" 117#define DEVI_EISA_NEXNAME "eisa" 118 119/* 120 * ddi_create_minor_node flags 121 */ 122#define CLONE_DEV 1 /* device is a clone device */ 123#define PRIVONLY_DEV 0x10 /* policy-based permissions only */ 124 125/* 126 * Historical values used for the flag field in ddi_create_minor_node. 127 * Future use of flag bits should avoid these fields to keep binary 128 * compatibility 129 * #define GLOBAL_DEV 0x2 130 * #define NODEBOUND_DEV 0x4 131 * #define NODESPECIFIC_DEV 0x6 132 * #define ENUMERATED_DEV 0x8 133 */ 134 135/* 136 * Device type defines which are used by the 'node_type' element of the 137 * ddi_minor_data structure 138 */ 139#define DDI_NT_SERIAL "ddi_serial" /* Serial port */ 140#define DDI_NT_SERIAL_MB "ddi_serial:mb" /* the 'built-in' serial */ 141 /* ports (the old ttya, b */ 142 /* (,c ,d)) */ 143#define DDI_NT_SERIAL_DO "ddi_serial:dialout" /* dialout ports */ 144#define DDI_NT_SERIAL_MB_DO "ddi_serial:dialout,mb" /* dialout for onboard */ 145 /* ports */ 146#define DDI_NT_SERIAL_LOMCON "ddi_serial:lomcon" /* LOMlite2 console port */ 147 148/* 149 * *_CHAN disk type devices have channel numbers or target numbers. 150 * (i.e. ipi and scsi devices) 151 */ 152#define DDI_NT_BLOCK "ddi_block" /* hard disks */ 153/* 154 * The next define is for block type devices that can possible exist on 155 * a sub-bus like the scsi bus or the ipi channel. The 'disks' program 156 * will pick up on this and create logical names like c0t0d0s0 instead of 157 * c0d0s0 158 */ 159#define DDI_NT_BLOCK_CHAN "ddi_block:channel" 160#define DDI_NT_BLOCK_WWN "ddi_block:wwn" 161#define DDI_NT_CD "ddi_block:cdrom" /* rom drives (cd-rom) */ 162#define DDI_NT_CD_CHAN "ddi_block:cdrom:channel" /* rom drives (scsi type) */ 163#define DDI_NT_FD "ddi_block:diskette" /* floppy disks */ 164 165#define DDI_NT_ENCLOSURE "ddi_enclosure" 166#define DDI_NT_SCSI_ENCLOSURE "ddi_enclosure:scsi" 167 168/* 169 * xVM virtual block devices 170 */ 171#define DDI_NT_BLOCK_XVMD "ddi_block:xvmd" 172#define DDI_NT_CD_XVMD "ddi_block:cdrom:xvmd" 173 174 175#define DDI_NT_TAPE "ddi_byte:tape" /* tape drives */ 176 177#define DDI_NT_NET "ddi_network" /* DLPI network devices */ 178 179#define DDI_NT_NET_WIFI "ddi_network:wifi" /* wifi devices */ 180 181#define DDI_NT_DISPLAY "ddi_display" /* display devices */ 182 183#define DDI_NT_DISPLAY_DRM "ddi_display:drm" /* drm display devices */ 184 185#define DDI_PSEUDO "ddi_pseudo" /* general pseudo devices */ 186 187#define DDI_NT_AUDIO "ddi_audio" /* audio device */ 188 189#define DDI_NT_MOUSE "ddi_mouse" /* mouse device */ 190 191#define DDI_NT_KEYBOARD "ddi_keyboard" /* keyboard device */ 192 193#define DDI_NT_PARALLEL "ddi_parallel" /* parallel port */ 194 195#define DDI_NT_PRINTER "ddi_printer" /* printer device */ 196 197#define DDI_NT_UGEN "ddi_generic:usb" /* USB generic drv */ 198 199#define DDI_NT_SMP "ddi_sas_smp" /* smp devcies */ 200 201#define DDI_NT_NEXUS "ddi_ctl:devctl" /* nexus drivers */ 202 203#define DDI_NT_SCSI_NEXUS "ddi_ctl:devctl:scsi" /* nexus drivers */ 204 205#define DDI_NT_SATA_NEXUS "ddi_ctl:devctl:sata" /* nexus drivers */ 206 207#define DDI_NT_ATTACHMENT_POINT "ddi_ctl:attachment_point" /* attachment pt */ 208 209#define DDI_NT_SCSI_ATTACHMENT_POINT "ddi_ctl:attachment_point:scsi" 210 /* scsi attachment pt */ 211 212#define DDI_NT_SATA_ATTACHMENT_POINT "ddi_ctl:attachment_point:sata" 213 /* sata attachment pt */ 214 215#define DDI_NT_SDCARD_ATTACHMENT_POINT "ddi_ctl:attachment_point:sdcard" 216 /* sdcard attachment pt */ 217 218#define DDI_NT_PCI_ATTACHMENT_POINT "ddi_ctl:attachment_point:pci" 219 /* PCI attachment pt */ 220#define DDI_NT_SBD_ATTACHMENT_POINT "ddi_ctl:attachment_point:sbd" 221 /* generic bd attachment pt */ 222#define DDI_NT_FC_ATTACHMENT_POINT "ddi_ctl:attachment_point:fc" 223 /* FC attachment pt */ 224#define DDI_NT_USB_ATTACHMENT_POINT "ddi_ctl:attachment_point:usb" 225 /* USB devices */ 226#define DDI_NT_BLOCK_FABRIC "ddi_block:fabric" 227 /* Fabric Devices */ 228#define DDI_NT_IB_ATTACHMENT_POINT "ddi_ctl:attachment_point:ib" 229 /* IB devices */ 230#define DDI_NT_SMARTCARD_READER "ddi_smartcard_reader" /* Smartcard reader */ 231 232#define DDI_NT_AV_ASYNC "ddi_av:async" /* asynchronous AV device */ 233#define DDI_NT_AV_ISOCH "ddi_av:isoch" /* isochronous AV device */ 234 235/* Device types used for agpgart driver related devices */ 236#define DDI_NT_AGP_PSEUDO "ddi_agp:pseudo" /* agpgart pseudo device */ 237#define DDI_NT_AGP_MASTER "ddi_agp:master" /* agp master device */ 238#define DDI_NT_AGP_TARGET "ddi_agp:target" /* agp target device */ 239#define DDI_NT_AGP_CPUGART "ddi_agp:cpugart" /* amd64 on-cpu gart device */ 240 241#define DDI_NT_REGACC "ddi_tool_reg" /* tool register access */ 242#define DDI_NT_INTRCTL "ddi_tool_intr" /* tool intr access */ 243 244/* 245 * DDI event definitions 246 */ 247#define EC_DEVFS "EC_devfs" /* Event class devfs */ 248#define EC_DDI "EC_ddi" /* Event class ddi */ 249 250/* Class devfs subclasses */ 251#define ESC_DEVFS_MINOR_CREATE "ESC_devfs_minor_create" 252#define ESC_DEVFS_MINOR_REMOVE "ESC_devfs_minor_remove" 253#define ESC_DEVFS_DEVI_ADD "ESC_devfs_devi_add" 254#define ESC_DEVFS_DEVI_REMOVE "ESC_devfs_devi_remove" 255#define ESC_DEVFS_INSTANCE_MOD "ESC_devfs_instance_mod" 256#define ESC_DEVFS_BRANCH_ADD "ESC_devfs_branch_add" 257#define ESC_DEVFS_BRANCH_REMOVE "ESC_devfs_branch_remove" 258#define ESC_DEVFS_START "ESC_devfs_start" 259 260/* Class ddi subclasses */ 261#define ESC_DDI_INITIATOR_REGISTER "ESC_ddi_initiator_register" 262#define ESC_DDI_INITIATOR_UNREGISTER "ESC_ddi_initiator_unregister" 263 264/* DDI/NDI event publisher */ 265#define EP_DDI SUNW_KERN_PUB"ddi" 266 267/* 268 * devfs event class attributes 269 * 270 * The following attributes are private to EC_DEVFS event data. 271 */ 272#define DEVFS_DRIVER_NAME "di.driver" 273#define DEVFS_INSTANCE "di.instance" 274#define DEVFS_PATHNAME "di.path" 275#define DEVFS_DEVI_CLASS "di.devi_class" 276#define DEVFS_BRANCH_EVENT "di.branch_event" 277#define DEVFS_MINOR_NAME "mi.name" 278#define DEVFS_MINOR_NODETYPE "mi.nodetype" 279#define DEVFS_MINOR_ISCLONE "mi.isclone" 280#define DEVFS_MINOR_MAJNUM "mi.majorno" 281#define DEVFS_MINOR_MINORNUM "mi.minorno" 282 283/* 284 * ddi event class payload 285 * 286 * The following attributes are private to EC_DDI event data. 287 */ 288#define DDI_DRIVER_NAME "ddi.driver" 289#define DDI_DRIVER_MAJOR "ddi.major" 290#define DDI_INSTANCE "ddi.instance" 291#define DDI_PATHNAME "ddi.path" 292#define DDI_CLASS "ddi.class" 293 294/* 295 * Fault-related definitions 296 * 297 * The specific numeric values have been chosen to be ordered, but 298 * not consecutive, to allow for future interpolation if required. 299 */ 300typedef enum { 301 DDI_SERVICE_LOST = -32, 302 DDI_SERVICE_DEGRADED = -16, 303 DDI_SERVICE_UNAFFECTED = 0, 304 DDI_SERVICE_RESTORED = 16 305} ddi_fault_impact_t; 306 307typedef enum { 308 DDI_DATAPATH_FAULT = -32, 309 DDI_DEVICE_FAULT = -16, 310 DDI_EXTERNAL_FAULT = 0 311} ddi_fault_location_t; 312 313typedef enum { 314 DDI_DEVSTATE_OFFLINE = -32, 315 DDI_DEVSTATE_DOWN = -16, 316 DDI_DEVSTATE_QUIESCED = 0, 317 DDI_DEVSTATE_DEGRADED = 16, 318 DDI_DEVSTATE_UP = 32 319} ddi_devstate_t; 320 321#ifdef _KERNEL 322 323/* 324 * Common property definitions 325 */ 326#define DDI_FORCEATTACH "ddi-forceattach" 327#define DDI_NO_AUTODETACH "ddi-no-autodetach" 328#define DDI_VHCI_CLASS "ddi-vhci-class" 329#define DDI_NO_ROOT_SUPPORT "ddi-no-root-support" 330#define DDI_OPEN_RETURNS_EINTR "ddi-open-returns-eintr" 331 332/* 333 * Values that the function supplied to the dev_info 334 * tree traversal functions defined below must return. 335 */ 336 337/* 338 * Continue search, if appropriate. 339 */ 340#define DDI_WALK_CONTINUE 0 341 342/* 343 * Terminate current depth of traversal. That is, terminate 344 * the current traversal of children nodes, but continue 345 * traversing sibling nodes and their children (if any). 346 */ 347 348#define DDI_WALK_PRUNECHILD -1 349 350/* 351 * Terminate current width of traversal. That is, terminate 352 * the current traversal of sibling nodes, but continue with 353 * traversing children nodes and their siblings (if appropriate). 354 */ 355 356#define DDI_WALK_PRUNESIB -2 357 358/* 359 * Terminate the entire search. 360 */ 361 362#define DDI_WALK_TERMINATE -3 363 364/* 365 * Terminate the entire search because an error occurred in function 366 */ 367#define DDI_WALK_ERROR -4 368 369/* 370 * Drivers that are prepared to support full driver layering 371 * should create and export a null-valued property of the following 372 * name. 373 * 374 * Such drivers should be prepared to be called with FKLYR in 375 * the 'flag' argument of their open(9E), close(9E) routines, and 376 * with FKIOCTL in the 'mode' argument of their ioctl(9E) routines. 377 * 378 * See ioctl(9E) and ddi_copyin(9F) for details. 379 */ 380#define DDI_KERNEL_IOCTL "ddi-kernel-ioctl" 381 382/* 383 * Model definitions for ddi_mmap_get_model(9F) and ddi_model_convert_from(9F). 384 */ 385#define DDI_MODEL_MASK DATAMODEL_MASK /* Note: 0x0FF00000 */ 386#define DDI_MODEL_ILP32 DATAMODEL_ILP32 387#define DDI_MODEL_LP64 DATAMODEL_LP64 388#define DDI_MODEL_NATIVE DATAMODEL_NATIVE 389#define DDI_MODEL_NONE DATAMODEL_NONE 390 391extern char *ddi_strdup(const char *str, int flag); 392extern char *strdup(const char *str); 393extern void strfree(char *str); 394 395/* 396 * Functions and data references which really should be in <sys/ddi.h> 397 */ 398 399extern int maxphys; 400extern void minphys(struct buf *); 401extern int physio(int (*)(struct buf *), struct buf *, dev_t, 402 int, void (*)(struct buf *), struct uio *); 403extern void disksort(struct diskhd *, struct buf *); 404 405extern long strtol(const char *, char **, int); 406extern unsigned long strtoul(const char *, char **, int); 407extern size_t strlen(const char *) __PURE; 408extern size_t strnlen(const char *, size_t) __PURE; 409extern char *strcpy(char *, const char *); 410extern char *strncpy(char *, const char *, size_t); 411/* Need to be consistent with <string.h> C++ definition for strchr() */ 412#if __cplusplus >= 199711L 413extern const char *strchr(const char *, int); 414#ifndef _STRCHR_INLINE 415#define _STRCHR_INLINE 416extern "C++" { 417 inline char *strchr(char *__s, int __c) { 418 return (char *)strchr((const char *)__s, __c); 419 } 420} 421#endif /* _STRCHR_INLINE */ 422#else 423extern char *strchr(const char *, int); 424#endif /* __cplusplus >= 199711L */ 425#define DDI_STRSAME(s1, s2) ((*(s1) == *(s2)) && (strcmp((s1), (s2)) == 0)) 426extern int strcmp(const char *, const char *) __PURE; 427extern int strncmp(const char *, const char *, size_t) __PURE; 428extern char *strncat(char *, const char *, size_t); 429extern size_t strlcat(char *, const char *, size_t); 430extern size_t strlcpy(char *, const char *, size_t); 431extern size_t strspn(const char *, const char *); 432extern int bcmp(const void *, const void *, size_t) __PURE; 433extern int stoi(char **); 434extern void numtos(ulong_t, char *); 435extern void bcopy(const void *, void *, size_t); 436extern void bzero(void *, size_t); 437 438extern void *memcpy(void *, const void *, size_t); 439extern void *memset(void *, int, size_t); 440extern void *memmove(void *, const void *, size_t); 441extern int memcmp(const void *, const void *, size_t) __PURE; 442/* Need to be consistent with <string.h> C++ definition for memchr() */ 443#if __cplusplus >= 199711L 444extern const void *memchr(const void *, int, size_t); 445#ifndef _MEMCHR_INLINE 446#define _MEMCHR_INLINE 447extern "C++" { 448 inline void *memchr(void * __s, int __c, size_t __n) { 449 return (void *)memchr((const void *)__s, __c, __n); 450 } 451} 452#endif /* _MEMCHR_INLINE */ 453#else 454extern void *memchr(const void *, int, size_t); 455#endif /* __cplusplus >= 199711L */ 456 457extern int ddi_strtol(const char *, char **, int, long *); 458extern int ddi_strtoul(const char *, char **, int, unsigned long *); 459 460/* 461 * kiconv functions and their macros. 462 */ 463#define KICONV_IGNORE_NULL (0x0001) 464#define KICONV_REPLACE_INVALID (0x0002) 465 466extern kiconv_t kiconv_open(const char *, const char *); 467extern size_t kiconv(kiconv_t, char **, size_t *, char **, size_t *, int *); 468extern int kiconv_close(kiconv_t); 469extern size_t kiconvstr(const char *, const char *, char *, size_t *, char *, 470 size_t *, int, int *); 471 472/* 473 * ddi_map_regs 474 * 475 * Map in the register set given by rnumber. 476 * The register number determine which register 477 * set will be mapped if more than one exists. 478 * The parent driver gets the information 479 * from parent private data and sets up the 480 * appropriate mappings and returns the kernel 481 * virtual address of the register set in *kaddrp. 482 * The offset specifies an offset into the register 483 * space to start from and len indicates the size 484 * of the area to map. If len and offset are 0 then 485 * the entire space is mapped. It returns DDI_SUCCESS on 486 * success or DDI_FAILURE otherwise. 487 * 488 */ 489int 490ddi_map_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, 491 off_t offset, off_t len); 492 493/* 494 * ddi_unmap_regs 495 * 496 * Undo mappings set up by ddi_map_regs. 497 * The register number determines which register 498 * set will be unmapped if more than one exists. 499 * This is provided for drivers preparing 500 * to detach themselves from the system to 501 * allow them to release allocated mappings. 502 * 503 * The kaddrp and len specify the area to be 504 * unmapped. *kaddrp was returned from ddi_map_regs 505 * and len should match what ddi_map_regs was called 506 * with. 507 */ 508 509void 510ddi_unmap_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, 511 off_t offset, off_t len); 512 513int 514ddi_map(dev_info_t *dp, ddi_map_req_t *mp, off_t offset, off_t len, 515 caddr_t *addrp); 516 517int 518ddi_apply_range(dev_info_t *dip, dev_info_t *rdip, struct regspec *rp); 519 520/* 521 * ddi_rnumber_to_regspec: Not for use by leaf drivers. 522 */ 523struct regspec * 524ddi_rnumber_to_regspec(dev_info_t *dip, int rnumber); 525 526int 527ddi_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset, 528 off_t len, caddr_t *vaddrp); 529 530int 531nullbusmap(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset, 532 off_t len, caddr_t *vaddrp); 533 534int ddi_peek8(dev_info_t *dip, int8_t *addr, int8_t *val_p); 535int ddi_peek16(dev_info_t *dip, int16_t *addr, int16_t *val_p); 536int ddi_peek32(dev_info_t *dip, int32_t *addr, int32_t *val_p); 537int ddi_peek64(dev_info_t *dip, int64_t *addr, int64_t *val_p); 538 539int ddi_poke8(dev_info_t *dip, int8_t *addr, int8_t val); 540int ddi_poke16(dev_info_t *dip, int16_t *addr, int16_t val); 541int ddi_poke32(dev_info_t *dip, int32_t *addr, int32_t val); 542int ddi_poke64(dev_info_t *dip, int64_t *addr, int64_t val); 543 544/* 545 * Peek and poke to and from a uio structure in xfersize pieces, 546 * using the parent nexi. 547 */ 548int ddi_peekpokeio(dev_info_t *devi, struct uio *uio, enum uio_rw rw, 549 caddr_t addr, size_t len, uint_t xfersize); 550 551/* 552 * Pagesize conversions using the parent nexi 553 */ 554unsigned long ddi_btop(dev_info_t *dip, unsigned long bytes); 555unsigned long ddi_btopr(dev_info_t *dip, unsigned long bytes); 556unsigned long ddi_ptob(dev_info_t *dip, unsigned long pages); 557 558/* 559 * There are no more "block" interrupt functions, per se. 560 * All thread of control should be done with MP/MT lockings. 561 * 562 * However, there are certain times in which a driver needs 563 * absolutely a critical guaranteed non-preemptable time 564 * in which to execute a few instructions. 565 * 566 * The following pair of functions attempt to guarantee this, 567 * but they are dangerous to use. That is, use them with 568 * extreme care. They do not guarantee to stop other processors 569 * from executing, but they do guarantee that the caller 570 * of ddi_enter_critical will continue to run until the 571 * caller calls ddi_exit_critical. No intervening DDI functions 572 * may be called between an entry and an exit from a critical 573 * region. 574 * 575 * ddi_enter_critical returns an integer identifier which must 576 * be passed to ddi_exit_critical. 577 * 578 * Be very sparing in the use of these functions since it is 579 * likely that absolutely nothing else can occur in the system 580 * whilst in the critical region. 581 */ 582 583unsigned int 584ddi_enter_critical(void); 585 586void 587ddi_exit_critical(unsigned int); 588 589/* 590 * devmap functions 591 */ 592int 593devmap_setup(dev_t dev, offset_t off, ddi_as_handle_t as, caddr_t *addrp, 594 size_t len, uint_t prot, uint_t maxprot, uint_t flags, 595 struct cred *cred); 596 597int 598ddi_devmap_segmap(dev_t dev, off_t off, ddi_as_handle_t as, caddr_t *addrp, 599 off_t len, uint_t prot, uint_t maxprot, uint_t flags, 600 struct cred *cred); 601 602int 603devmap_load(devmap_cookie_t dhp, offset_t offset, size_t len, uint_t type, 604 uint_t rw); 605 606int 607devmap_unload(devmap_cookie_t dhp, offset_t offset, size_t len); 608 609int 610devmap_devmem_setup(devmap_cookie_t dhp, dev_info_t *dip, 611 struct devmap_callback_ctl *callback_ops, 612 uint_t rnumber, offset_t roff, size_t len, uint_t maxprot, 613 uint_t flags, ddi_device_acc_attr_t *accattrp); 614 615int 616devmap_umem_setup(devmap_cookie_t dhp, dev_info_t *dip, 617 struct devmap_callback_ctl *callback_ops, 618 ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot, 619 uint_t flags, ddi_device_acc_attr_t *accattrp); 620 621int 622devmap_devmem_remap(devmap_cookie_t dhp, dev_info_t *dip, 623 uint_t rnumber, offset_t roff, size_t len, uint_t maxprot, 624 uint_t flags, ddi_device_acc_attr_t *accattrp); 625 626int 627devmap_umem_remap(devmap_cookie_t dhp, dev_info_t *dip, 628 ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot, 629 uint_t flags, ddi_device_acc_attr_t *accattrp); 630 631void 632devmap_set_ctx_timeout(devmap_cookie_t dhp, clock_t ticks); 633 634int 635devmap_default_access(devmap_cookie_t dhp, void *pvtp, offset_t off, 636 size_t len, uint_t type, uint_t rw); 637 638int 639devmap_do_ctxmgt(devmap_cookie_t dhp, void *pvtp, offset_t off, size_t len, 640 uint_t type, uint_t rw, int (*ctxmgt)(devmap_cookie_t, void *, offset_t, 641 size_t, uint_t, uint_t)); 642 643 644void *ddi_umem_alloc(size_t size, int flag, ddi_umem_cookie_t *cookiep); 645 646void ddi_umem_free(ddi_umem_cookie_t cookie); 647 648/* 649 * Functions to lock user memory and do repeated I/O or do devmap_umem_setup 650 */ 651int 652ddi_umem_lock(caddr_t addr, size_t size, int flags, ddi_umem_cookie_t *cookie); 653 654void 655ddi_umem_unlock(ddi_umem_cookie_t cookie); 656 657struct buf * 658ddi_umem_iosetup(ddi_umem_cookie_t cookie, off_t off, size_t len, int direction, 659 dev_t dev, daddr_t blkno, int (*iodone)(struct buf *), int sleepflag); 660 661/* 662 * Mapping functions 663 */ 664int 665ddi_segmap(dev_t dev, off_t offset, struct as *asp, caddr_t *addrp, off_t len, 666 uint_t prot, uint_t maxprot, uint_t flags, cred_t *credp); 667 668int 669ddi_segmap_setup(dev_t dev, off_t offset, struct as *as, caddr_t *addrp, 670 off_t len, uint_t prot, uint_t maxprot, uint_t flags, cred_t *cred, 671 ddi_device_acc_attr_t *accattrp, uint_t rnumber); 672 673int 674ddi_map_fault(dev_info_t *dip, struct hat *hat, struct seg *seg, caddr_t addr, 675 struct devpage *dp, pfn_t pfn, uint_t prot, uint_t lock); 676 677int 678ddi_device_mapping_check(dev_t dev, ddi_device_acc_attr_t *accattrp, 679 uint_t rnumber, uint_t *hat_flags); 680 681/* 682 * Property functions: See also, ddipropdefs.h. 683 * In general, the underlying driver MUST be held 684 * to call it's property functions. 685 */ 686 687/* 688 * Used to create, modify, and lookup integer properties 689 */ 690int ddi_prop_get_int(dev_t match_dev, dev_info_t *dip, uint_t flags, 691 char *name, int defvalue); 692int64_t ddi_prop_get_int64(dev_t match_dev, dev_info_t *dip, uint_t flags, 693 char *name, int64_t defvalue); 694int ddi_prop_lookup_int_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 695 char *name, int **data, uint_t *nelements); 696int ddi_prop_lookup_int64_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 697 char *name, int64_t **data, uint_t *nelements); 698int ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 699 char *name, int data); 700int ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 701 char *name, int64_t data); 702int ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 703 char *name, int *data, uint_t nelements); 704int ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 705 char *name, int64_t *data, uint_t nelements); 706/* 707 * Used to create, modify, and lookup string properties 708 */ 709int ddi_prop_lookup_string(dev_t match_dev, dev_info_t *dip, uint_t flags, 710 char *name, char **data); 711int ddi_prop_lookup_string_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 712 char *name, char ***data, uint_t *nelements); 713int ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 714 char *name, char *data); 715int ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 716 char *name, char **data, uint_t nelements); 717 718/* 719 * Used to create, modify, and lookup byte properties 720 */ 721int ddi_prop_lookup_byte_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 722 char *name, uchar_t **data, uint_t *nelements); 723int ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 724 char *name, uchar_t *data, uint_t nelements); 725 726/* 727 * Used to verify the existence of a property or to see if a boolean 728 * property exists. 729 */ 730int ddi_prop_exists(dev_t match_dev, dev_info_t *dip, uint_t flags, char *name); 731 732/* 733 * Used to free the data returned by the above property routines. 734 */ 735void ddi_prop_free(void *data); 736 737/* 738 * nopropop: For internal use in `dummy' cb_prop_op functions only 739 */ 740 741int 742nopropop(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 743 char *name, caddr_t valuep, int *lengthp); 744 745/* 746 * ddi_prop_op: The basic property operator for drivers. 747 * 748 * In ddi_prop_op, the type of valuep is interpreted based on prop_op: 749 * 750 * prop_op valuep 751 * ------ ------ 752 * 753 * PROP_LEN <unused> 754 * 755 * PROP_LEN_AND_VAL_BUF Pointer to callers buffer 756 * 757 * PROP_LEN_AND_VAL_ALLOC Address of callers pointer (will be set to 758 * address of allocated buffer, if successful) 759 */ 760 761int 762ddi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 763 char *name, caddr_t valuep, int *lengthp); 764 765/* ddi_prop_op_size: for drivers that implement size in bytes */ 766int 767ddi_prop_op_size(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 768 int mod_flags, char *name, caddr_t valuep, int *lengthp, 769 uint64_t size64); 770 771/* ddi_prop_op_size_blksize: like ddi_prop_op_size, in blksize blocks */ 772int 773ddi_prop_op_size_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 774 int mod_flags, char *name, caddr_t valuep, int *lengthp, 775 uint64_t size64, uint_t blksize); 776 777/* ddi_prop_op_nblocks: for drivers that implement size in DEV_BSIZE blocks */ 778int 779ddi_prop_op_nblocks(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 780 int mod_flags, char *name, caddr_t valuep, int *lengthp, 781 uint64_t nblocks64); 782 783/* ddi_prop_op_nblocks_blksize: like ddi_prop_op_nblocks, in blksize blocks */ 784int 785ddi_prop_op_nblocks_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 786 int mod_flags, char *name, caddr_t valuep, int *lengthp, 787 uint64_t nblocks64, uint_t blksize); 788 789/* 790 * Variable length props... 791 */ 792 793/* 794 * ddi_getlongprop: Get variable length property len+val into a buffer 795 * allocated by property provider via kmem_alloc. Requester 796 * is responsible for freeing returned property via kmem_free. 797 * 798 * Arguments: 799 * 800 * dev: Input: dev_t of property. 801 * dip: Input: dev_info_t pointer of child. 802 * flags: Input: Possible flag modifiers are: 803 * DDI_PROP_DONTPASS: Don't pass to parent if prop not found. 804 * DDI_PROP_CANSLEEP: Memory allocation may sleep. 805 * name: Input: name of property. 806 * valuep: Output: Addr of callers buffer pointer. 807 * lengthp:Output: *lengthp will contain prop length on exit. 808 * 809 * Possible Returns: 810 * 811 * DDI_PROP_SUCCESS: Prop found and returned. 812 * DDI_PROP_NOT_FOUND: Prop not found 813 * DDI_PROP_UNDEFINED: Prop explicitly undefined. 814 * DDI_PROP_NO_MEMORY: Prop found, but unable to alloc mem. 815 */ 816 817int 818ddi_getlongprop(dev_t dev, dev_info_t *dip, int flags, 819 char *name, caddr_t valuep, int *lengthp); 820 821/* 822 * 823 * ddi_getlongprop_buf: Get long prop into pre-allocated callers 824 * buffer. (no memory allocation by provider). 825 * 826 * dev: Input: dev_t of property. 827 * dip: Input: dev_info_t pointer of child. 828 * flags: Input: DDI_PROP_DONTPASS or NULL 829 * name: Input: name of property 830 * valuep: Input: ptr to callers buffer. 831 * lengthp:I/O: ptr to length of callers buffer on entry, 832 * actual length of property on exit. 833 * 834 * Possible returns: 835 * 836 * DDI_PROP_SUCCESS Prop found and returned 837 * DDI_PROP_NOT_FOUND Prop not found 838 * DDI_PROP_UNDEFINED Prop explicitly undefined. 839 * DDI_PROP_BUF_TOO_SMALL Prop found, callers buf too small, 840 * no value returned, but actual prop 841 * length returned in *lengthp 842 * 843 */ 844 845int 846ddi_getlongprop_buf(dev_t dev, dev_info_t *dip, int flags, 847 char *name, caddr_t valuep, int *lengthp); 848 849/* 850 * Integer/boolean sized props. 851 * 852 * Call is value only... returns found boolean or int sized prop value or 853 * defvalue if prop not found or is wrong length or is explicitly undefined. 854 * Only flag is DDI_PROP_DONTPASS... 855 * 856 * By convention, this interface returns boolean (0) sized properties 857 * as value (int)1. 858 */ 859 860int 861ddi_getprop(dev_t dev, dev_info_t *dip, int flags, char *name, int defvalue); 862 863/* 864 * Get prop length interface: flags are 0 or DDI_PROP_DONTPASS 865 * if returns DDI_PROP_SUCCESS, length returned in *lengthp. 866 */ 867 868int 869ddi_getproplen(dev_t dev, dev_info_t *dip, int flags, char *name, int *lengthp); 870 871 872/* 873 * Interface to create/modify a managed property on child's behalf... 874 * Only flag is DDI_PROP_CANSLEEP to allow memory allocation to sleep 875 * if no memory available for internal prop structure. Long property 876 * (non integer sized) value references are not copied. 877 * 878 * Define property with DDI_DEV_T_NONE dev_t for properties not associated 879 * with any particular dev_t. Use the same dev_t when modifying or undefining 880 * a property. 881 * 882 * No guarantee on order of property search, so don't mix the same 883 * property name with wildcard and non-wildcard dev_t's. 884 */ 885 886/* 887 * ddi_prop_create: Define a managed property: 888 */ 889 890int 891ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 892 char *name, caddr_t value, int length); 893 894/* 895 * ddi_prop_modify: Modify a managed property value 896 */ 897 898int 899ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 900 char *name, caddr_t value, int length); 901 902/* 903 * ddi_prop_remove: Undefine a managed property: 904 */ 905 906int 907ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name); 908 909/* 910 * ddi_prop_remove_all: Used before unloading a driver to remove 911 * all properties. (undefines all dev_t's props.) 912 * Also removes `undefined' prop defs. 913 */ 914 915void 916ddi_prop_remove_all(dev_info_t *dip); 917 918 919/* 920 * ddi_prop_undefine: Explicitly undefine a property. Property 921 * searches which match this property return 922 * the error code DDI_PROP_UNDEFINED. 923 * 924 * Use ddi_prop_remove to negate effect of 925 * ddi_prop_undefine 926 */ 927 928int 929ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name); 930 931 932/* 933 * ddi_prop_cache_invalidate 934 * Invalidate a property in the current cached 935 * devinfo snapshot - next cached snapshot will 936 * return the latest property value available. 937 */ 938void 939ddi_prop_cache_invalidate(dev_t dev, dev_info_t *dip, char *name, int flags); 940 941/* 942 * The default ddi_bus_prop_op wrapper... 943 */ 944 945int 946ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 947 ddi_prop_op_t prop_op, int mod_flags, 948 char *name, caddr_t valuep, int *lengthp); 949 950 951/* 952 * Routines to traverse the tree of dev_info nodes. 953 * The general idea of these functions is to provide 954 * various tree traversal utilities. For each node 955 * that the tree traversal function finds, a caller 956 * supplied function is called with arguments of 957 * the current node and a caller supplied argument. 958 * The caller supplied function should return one 959 * of the integer values defined below which will 960 * indicate to the tree traversal function whether 961 * the traversal should be continued, and if so, how, 962 * or whether the traversal should terminate. 963 */ 964 965/* 966 * This general-purpose routine traverses the tree of dev_info nodes, 967 * starting from the given node, and calls the given function for each 968 * node that it finds with the current node and the pointer arg (which 969 * can point to a structure of information that the function 970 * needs) as arguments. 971 * 972 * It does the walk a layer at a time, not depth-first. 973 * 974 * The given function must return one of the values defined above. 975 * 976 */ 977 978void 979ddi_walk_devs(dev_info_t *, int (*)(dev_info_t *, void *), void *); 980 981/* 982 * Routines to get at elements of the dev_info structure 983 */ 984 985/* 986 * ddi_node_name gets the device's 'name' from the device node. 987 * 988 * ddi_binding_name gets the string the OS used to bind the node to a driver, 989 * in certain cases, the binding name may be different from the node name, 990 * if the node name does not name a specific device driver. 991 * 992 * ddi_get_name is a synonym for ddi_binding_name(). 993 */ 994char * 995ddi_get_name(dev_info_t *dip); 996 997char * 998ddi_binding_name(dev_info_t *dip); 999 1000const char * 1001ddi_driver_name(dev_info_t *dip); 1002 1003major_t 1004ddi_driver_major(dev_info_t *dip); 1005 1006major_t 1007ddi_compatible_driver_major(dev_info_t *dip, char **formp); 1008 1009char * 1010ddi_node_name(dev_info_t *dip); 1011 1012int 1013ddi_get_nodeid(dev_info_t *dip); 1014 1015int 1016ddi_get_instance(dev_info_t *dip); 1017 1018struct dev_ops * 1019ddi_get_driver(dev_info_t *dip); 1020 1021void 1022ddi_set_driver(dev_info_t *dip, struct dev_ops *devo); 1023 1024void 1025ddi_set_driver_private(dev_info_t *dip, void *data); 1026 1027void * 1028ddi_get_driver_private(dev_info_t *dip); 1029 1030/* 1031 * ddi_dev_is_needed tells system that a device is about to use a 1032 * component. Returns when component is ready. 1033 */ 1034int 1035ddi_dev_is_needed(dev_info_t *dip, int cmpt, int level); 1036 1037/* 1038 * check if DDI_SUSPEND may result in power being removed from a device. 1039 */ 1040int 1041ddi_removing_power(dev_info_t *dip); 1042 1043/* 1044 * (Obsolete) power entry point 1045 */ 1046int 1047ddi_power(dev_info_t *dip, int cmpt, int level); 1048 1049/* 1050 * ddi_get_parent requires that the branch of the tree with the 1051 * node be held (ddi_hold_installed_driver) or that the devinfo tree 1052 * lock be held 1053 */ 1054dev_info_t * 1055ddi_get_parent(dev_info_t *dip); 1056 1057/* 1058 * ddi_get_child and ddi_get_next_sibling require that the devinfo 1059 * tree lock be held 1060 */ 1061dev_info_t * 1062ddi_get_child(dev_info_t *dip); 1063 1064dev_info_t * 1065ddi_get_next_sibling(dev_info_t *dip); 1066 1067dev_info_t * 1068ddi_get_next(dev_info_t *dip); 1069 1070void 1071ddi_set_next(dev_info_t *dip, dev_info_t *nextdip); 1072 1073/* 1074 * dev_info manipulation functions 1075 */ 1076 1077/* 1078 * Add and remove child devices. These are part of the system framework. 1079 * 1080 * ddi_add_child creates a dev_info structure with the passed name, 1081 * nodeid and instance arguments and makes it a child of pdip. Devices 1082 * that are known directly by the hardware have real nodeids; devices 1083 * that are software constructs use the defined DEVI_PSEUDO_NODEID 1084 * for the node id. 1085 * 1086 * ddi_remove_node removes the node from the tree. This fails if this 1087 * child has children. Parent and driver private data should already 1088 * be released (freed) prior to calling this function. If flag is 1089 * non-zero, the child is removed from it's linked list of instances. 1090 */ 1091dev_info_t * 1092ddi_add_child(dev_info_t *pdip, char *name, uint_t nodeid, uint_t instance); 1093 1094int 1095ddi_remove_child(dev_info_t *dip, int flag); 1096 1097/* 1098 * Given the major number for a driver, make sure that dev_info nodes 1099 * are created form the driver's hwconf file, the driver for the named 1100 * device is loaded and attached, as well as any drivers for parent devices. 1101 * Return a pointer to the driver's dev_ops struct with the dev_ops held. 1102 * Note - Callers must release the dev_ops with ddi_rele_driver. 1103 * 1104 * When a driver is held, the branch of the devinfo tree from any of the 1105 * drivers devinfos to the root node are automatically held. This only 1106 * applies to tree traversals up (and back down) the tree following the 1107 * parent pointers. 1108 * 1109 * Use of this interface is discouraged, it may be removed in a future release. 1110 */ 1111struct dev_ops * 1112ddi_hold_installed_driver(major_t major); 1113 1114void 1115ddi_rele_driver(major_t major); 1116 1117/* 1118 * Attach and hold the specified instance of a driver. The flags argument 1119 * should be zero. 1120 */ 1121dev_info_t * 1122ddi_hold_devi_by_instance(major_t major, int instance, int flags); 1123 1124void 1125ddi_release_devi(dev_info_t *); 1126 1127/* 1128 * Associate a streams queue with a devinfo node 1129 */ 1130void 1131ddi_assoc_queue_with_devi(queue_t *, dev_info_t *); 1132 1133/* 1134 * Given the identifier string passed, make sure that dev_info nodes 1135 * are created form the driver's hwconf file, the driver for the named 1136 * device is loaded and attached, as well as any drivers for parent devices. 1137 * 1138 * Note that the driver is not held and is subject to being removed the instant 1139 * this call completes. You probably really want ddi_hold_installed_driver. 1140 */ 1141int 1142ddi_install_driver(char *idstring); 1143 1144/* 1145 * Routines that return specific nodes 1146 */ 1147 1148dev_info_t * 1149ddi_root_node(void); 1150 1151/* 1152 * Given a name and an instance number, find and return the 1153 * dev_info from the current state of the device tree. 1154 * 1155 * If instance number is -1, return the first named instance. 1156 * 1157 * If attached is 1, exclude all nodes that are < DS_ATTACHED 1158 * 1159 * Requires that the devinfo tree be locked. 1160 * If attached is 1, the driver must be held. 1161 */ 1162dev_info_t * 1163ddi_find_devinfo(char *name, int instance, int attached); 1164 1165/* 1166 * Synchronization of I/O with respect to various 1167 * caches and system write buffers. 1168 * 1169 * Done at varying points during an I/O transfer (including at the 1170 * removal of an I/O mapping). 1171 * 1172 * Due to the support of systems with write buffers which may 1173 * not be able to be turned off, this function *must* used at 1174 * any point in which data consistency might be required. 1175 * 1176 * Generally this means that if a memory object has multiple mappings 1177 * (both for I/O, as described by the handle, and the IU, via, e.g. 1178 * a call to ddi_dma_kvaddrp), and one mapping may have been 1179 * used to modify the memory object, this function must be called 1180 * to ensure that the modification of the memory object is 1181 * complete, as well as possibly to inform other mappings of 1182 * the object that any cached references to the object are 1183 * now stale (and flush or invalidate these stale cache references 1184 * as necessary). 1185 * 1186 * The function ddi_dma_sync() provides the general interface with 1187 * respect to this capability. Generally, ddi_dma_free() (below) may 1188 * be used in preference to ddi_dma_sync() as ddi_dma_free() calls 1189 * ddi_dma_sync(). 1190 * 1191 * Returns 0 if all caches that exist and are specified by cache_flags 1192 * are successfully operated on, else -1. 1193 * 1194 * The argument offset specifies an offset into the mapping of the mapped 1195 * object in which to perform the synchronization. It will be silently 1196 * truncated to the granularity of underlying cache line sizes as 1197 * appropriate. 1198 * 1199 * The argument len specifies a length starting from offset in which to 1200 * perform the synchronization. A value of (uint_t) -1 means that the length 1201 * proceeds from offset to the end of the mapping. The length argument 1202 * will silently rounded up to the granularity of underlying cache line 1203 * sizes as appropriate. 1204 * 1205 * The argument flags specifies what to synchronize (the device's view of 1206 * the object or the cpu's view of the object). 1207 * 1208 * Inquiring minds want to know when ddi_dma_sync should be used: 1209 * 1210 * + When an object is mapped for dma, assume that an 1211 * implicit ddi_dma_sync() is done for you. 1212 * 1213 * + When an object is unmapped (ddi_dma_free()), assume 1214 * that an implicit ddi_dma_sync() is done for you. 1215 * 1216 * + At any time between the two times above that the 1217 * memory object may have been modified by either 1218 * the DMA device or a processor and you wish that 1219 * the change be noticed by the master that didn't 1220 * do the modifying. 1221 * 1222 * Clearly, only the third case above requires the use of ddi_dma_sync. 1223 * 1224 * Inquiring minds also want to know which flag to use: 1225 * 1226 * + If you *modify* with a cpu the object, you use 1227 * ddi_dma_sync(...DDI_DMA_SYNC_FORDEV) (you are making sure 1228 * that the DMA device sees the changes you made). 1229 * 1230 * + If you are checking, with the processor, an area 1231 * of the object that the DMA device *may* have modified, 1232 * you use ddi_dma_sync(....DDI_DMA_SYNC_FORCPU) (you are 1233 * making sure that the processor(s) will see the changes 1234 * that the DMA device may have made). 1235 */ 1236 1237int 1238ddi_dma_sync(ddi_dma_handle_t handle, off_t offset, size_t len, uint_t flags); 1239 1240/* 1241 * Return the allowable DMA burst size for the object mapped by handle. 1242 * The burst sizes will returned in an integer that encodes power 1243 * of two burst sizes that are allowed in bit encoded format. For 1244 * example, a transfer that could allow 1, 2, 4, 8 and 32 byte bursts 1245 * would be encoded as 0x2f. A transfer that could be allowed as solely 1246 * a halfword (2 byte) transfers would be returned as 0x2. 1247 */ 1248 1249int 1250ddi_dma_burstsizes(ddi_dma_handle_t handle); 1251 1252/* 1253 * Merge DMA attributes 1254 */ 1255 1256void 1257ddi_dma_attr_merge(ddi_dma_attr_t *attr, ddi_dma_attr_t *mod); 1258 1259/* 1260 * Allocate a DMA handle 1261 */ 1262 1263int 1264ddi_dma_alloc_handle(dev_info_t *dip, ddi_dma_attr_t *attr, 1265 int (*waitfp)(caddr_t), caddr_t arg, 1266 ddi_dma_handle_t *handlep); 1267 1268/* 1269 * Free DMA handle 1270 */ 1271 1272void 1273ddi_dma_free_handle(ddi_dma_handle_t *handlep); 1274 1275/* 1276 * Allocate memory for DMA transfers 1277 */ 1278 1279int 1280ddi_dma_mem_alloc(ddi_dma_handle_t handle, size_t length, 1281 ddi_device_acc_attr_t *accattrp, uint_t xfermodes, 1282 int (*waitfp)(caddr_t), caddr_t arg, caddr_t *kaddrp, 1283 size_t *real_length, ddi_acc_handle_t *handlep); 1284 1285/* 1286 * Free DMA memory 1287 */ 1288 1289void 1290ddi_dma_mem_free(ddi_acc_handle_t *hp); 1291 1292/* 1293 * bind address to a DMA handle 1294 */ 1295 1296int 1297ddi_dma_addr_bind_handle(ddi_dma_handle_t handle, struct as *as, 1298 caddr_t addr, size_t len, uint_t flags, 1299 int (*waitfp)(caddr_t), caddr_t arg, 1300 ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1301 1302/* 1303 * bind buffer to DMA handle 1304 */ 1305 1306int 1307ddi_dma_buf_bind_handle(ddi_dma_handle_t handle, struct buf *bp, 1308 uint_t flags, int (*waitfp)(caddr_t), caddr_t arg, 1309 ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1310 1311/* 1312 * unbind mapping object to handle 1313 */ 1314 1315int 1316ddi_dma_unbind_handle(ddi_dma_handle_t handle); 1317 1318/* 1319 * get next DMA cookie 1320 */ 1321 1322void 1323ddi_dma_nextcookie(ddi_dma_handle_t handle, ddi_dma_cookie_t *cookiep); 1324 1325/* 1326 * get number of DMA windows 1327 */ 1328 1329int 1330ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp); 1331 1332/* 1333 * get specific DMA window 1334 */ 1335 1336int 1337ddi_dma_getwin(ddi_dma_handle_t handle, uint_t win, off_t *offp, 1338 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1339 1340/* 1341 * activate 64 bit SBus support 1342 */ 1343 1344int 1345ddi_dma_set_sbus64(ddi_dma_handle_t handle, ulong_t burstsizes); 1346 1347/* 1348 * Miscellaneous functions 1349 */ 1350 1351/* 1352 * ddi_report_dev: Report a successful attach. 1353 */ 1354 1355void 1356ddi_report_dev(dev_info_t *dev); 1357 1358/* 1359 * ddi_dev_regsize 1360 * 1361 * If the device has h/w register(s), report 1362 * the size, in bytes, of the specified one into *resultp. 1363 * 1364 * Returns DDI_FAILURE if there are not registers, 1365 * or the specified register doesn't exist. 1366 */ 1367 1368int 1369ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *resultp); 1370 1371/* 1372 * ddi_dev_nregs 1373 * 1374 * If the device has h/w register(s), report 1375 * how many of them that there are into resultp. 1376 * Return DDI_FAILURE if the device has no registers. 1377 */ 1378 1379int 1380ddi_dev_nregs(dev_info_t *dev, int *resultp); 1381 1382/* 1383 * ddi_dev_is_sid 1384 * 1385 * If the device is self-identifying, i.e., 1386 * has already been probed by a smart PROM 1387 * (and thus registers are known to be valid) 1388 * return DDI_SUCCESS, else DDI_FAILURE. 1389 */ 1390 1391 1392int 1393ddi_dev_is_sid(dev_info_t *dev); 1394 1395/* 1396 * ddi_slaveonly 1397 * 1398 * If the device is on a bus that precludes 1399 * the device from being either a dma master or 1400 * a dma slave, return DDI_SUCCESS. 1401 */ 1402 1403int 1404ddi_slaveonly(dev_info_t *); 1405 1406 1407/* 1408 * ddi_dev_affinity 1409 * 1410 * Report, via DDI_SUCCESS, whether there exists 1411 * an 'affinity' between two dev_info_t's. An 1412 * affinity is defined to be either a parent-child, 1413 * or a sibling relationship such that the siblings 1414 * or in the same part of the bus they happen to be 1415 * on. 1416 */ 1417 1418int 1419ddi_dev_affinity(dev_info_t *deva, dev_info_t *devb); 1420 1421 1422/* 1423 * ddi_set_callback 1424 * 1425 * Set a function/arg pair into the callback list identified 1426 * by listid. *listid must always initially start out as zero. 1427 */ 1428 1429void 1430ddi_set_callback(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid); 1431 1432/* 1433 * ddi_run_callback 1434 * 1435 * Run the callback list identified by listid. 1436 */ 1437 1438void 1439ddi_run_callback(uintptr_t *listid); 1440 1441/* 1442 * More miscellaneous 1443 */ 1444 1445int 1446nochpoll(dev_t dev, short events, int anyyet, short *reventsp, 1447 struct pollhead **phpp); 1448 1449dev_info_t * 1450nodevinfo(dev_t dev, int otyp); 1451 1452int 1453ddi_no_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result); 1454 1455int 1456ddi_getinfo_1to1(dev_info_t *dip, ddi_info_cmd_t infocmd, 1457 void *arg, void **result); 1458 1459int 1460ddifail(dev_info_t *devi, ddi_attach_cmd_t cmd); 1461 1462int 1463ddi_no_dma_map(dev_info_t *dip, dev_info_t *rdip, 1464 struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep); 1465 1466int 1467ddi_no_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 1468 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep); 1469 1470int 1471ddi_no_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 1472 ddi_dma_handle_t handle); 1473 1474int 1475ddi_no_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 1476 ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 1477 ddi_dma_cookie_t *cp, uint_t *ccountp); 1478 1479int 1480ddi_no_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 1481 ddi_dma_handle_t handle); 1482 1483int 1484ddi_no_dma_flush(dev_info_t *dip, dev_info_t *rdip, 1485 ddi_dma_handle_t handle, off_t off, size_t len, 1486 uint_t cache_flags); 1487 1488int 1489ddi_no_dma_win(dev_info_t *dip, dev_info_t *rdip, 1490 ddi_dma_handle_t handle, uint_t win, off_t *offp, 1491 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1492 1493int 1494ddi_no_dma_mctl(register dev_info_t *dip, dev_info_t *rdip, 1495 ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 1496 off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags); 1497 1498void 1499ddivoid(); 1500 1501cred_t * 1502ddi_get_cred(void); 1503 1504clock_t 1505ddi_get_lbolt(void); 1506 1507time_t 1508ddi_get_time(void); 1509 1510pid_t 1511ddi_get_pid(void); 1512 1513kt_did_t 1514ddi_get_kt_did(void); 1515 1516boolean_t 1517ddi_can_receive_sig(void); 1518 1519void 1520swab(void *src, void *dst, size_t nbytes); 1521 1522int 1523ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type, 1524 minor_t minor_num, char *node_type, int flag); 1525 1526int 1527ddi_create_priv_minor_node(dev_info_t *dip, char *name, int spec_type, 1528 minor_t minor_num, char *node_type, int flag, 1529 const char *rdpriv, const char *wrpriv, mode_t priv_mode); 1530 1531void 1532ddi_remove_minor_node(dev_info_t *dip, char *name); 1533 1534int 1535ddi_in_panic(void); 1536 1537int 1538ddi_streams_driver(dev_info_t *dip); 1539 1540/* 1541 * DDI wrappers for ffs and fls 1542 */ 1543int 1544ddi_ffs(long mask); 1545 1546int 1547ddi_fls(long mask); 1548 1549/* 1550 * The next five routines comprise generic storage management utilities 1551 * for driver soft state structures. 1552 */ 1553 1554/* 1555 * Allocate a set of pointers to 'n_items' objects of size 'size' 1556 * bytes. Each pointer is initialized to nil. 'n_items' is a hint i.e. 1557 * zero is allowed. 1558 */ 1559int 1560ddi_soft_state_init(void **state_p, size_t size, size_t n_items); 1561 1562/* 1563 * Allocate a state structure of size 'size' to be associated 1564 * with item 'item'. 1565 */ 1566int 1567ddi_soft_state_zalloc(void *state, int item); 1568 1569/* 1570 * Fetch a pointer to the allocated soft state structure 1571 * corresponding to 'item.' 1572 */ 1573void * 1574ddi_get_soft_state(void *state, int item); 1575 1576/* 1577 * Free the state structure corresponding to 'item.' 1578 */ 1579void 1580ddi_soft_state_free(void *state, int item); 1581 1582/* 1583 * Free the handle, and any associated soft state structures. 1584 */ 1585void 1586ddi_soft_state_fini(void **state_p); 1587 1588/* 1589 * Set the addr field of the name in dip to name 1590 */ 1591void 1592ddi_set_name_addr(dev_info_t *dip, char *name); 1593 1594/* 1595 * Get the address part of the name. 1596 */ 1597char * 1598ddi_get_name_addr(dev_info_t *dip); 1599 1600void 1601ddi_set_parent_data(dev_info_t *dip, void *pd); 1602 1603void * 1604ddi_get_parent_data(dev_info_t *dip); 1605 1606int 1607ddi_initchild(dev_info_t *parent, dev_info_t *proto); 1608 1609int 1610ddi_uninitchild(dev_info_t *dip); 1611 1612major_t 1613ddi_name_to_major(char *name); 1614 1615char * 1616ddi_major_to_name(major_t major); 1617 1618char * 1619ddi_deviname(dev_info_t *dip, char *name); 1620 1621char * 1622ddi_pathname(dev_info_t *dip, char *path); 1623 1624char * 1625ddi_pathname_minor(struct ddi_minor_data *dmdp, char *path); 1626 1627char * 1628ddi_pathname_obp(dev_info_t *dip, char *path); 1629 1630int 1631ddi_pathname_obp_set(dev_info_t *dip, char *component); 1632 1633int 1634ddi_dev_pathname(dev_t devt, int spec_type, char *name); 1635 1636dev_t 1637ddi_pathname_to_dev_t(char *pathname); 1638 1639/* 1640 * High resolution system timer functions. 1641 * 1642 * These functions are already in the kernel (see sys/time.h). 1643 * The ddi supports the notion of a hrtime_t type and the 1644 * functions gethrtime, hrtadd, hrtsub and hrtcmp. 1645 */ 1646 1647 1648/* 1649 * Nexus wrapper functions 1650 * 1651 * These functions are for entries in a bus nexus driver's bus_ops 1652 * structure for when the driver doesn't have such a function and 1653 * doesn't wish to prohibit such a function from existing. They 1654 * may also be called to start passing a request up the dev_info 1655 * tree. 1656 */ 1657 1658/* 1659 * bus_ctl wrapper 1660 */ 1661 1662int 1663ddi_ctlops(dev_info_t *d, dev_info_t *r, ddi_ctl_enum_t o, void *a, void *v); 1664 1665/* 1666 * bus_dma_map wrapper 1667 */ 1668 1669int 1670ddi_dma_map(dev_info_t *dip, dev_info_t *rdip, 1671 struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep); 1672 1673int 1674ddi_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 1675 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep); 1676 1677int 1678ddi_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 1679 ddi_dma_handle_t handle); 1680 1681int 1682ddi_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 1683 ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 1684 ddi_dma_cookie_t *cp, uint_t *ccountp); 1685 1686int 1687ddi_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 1688 ddi_dma_handle_t handle); 1689 1690int 1691ddi_dma_flush(dev_info_t *dip, dev_info_t *rdip, 1692 ddi_dma_handle_t handle, off_t off, size_t len, 1693 uint_t cache_flags); 1694 1695int 1696ddi_dma_win(dev_info_t *dip, dev_info_t *rdip, 1697 ddi_dma_handle_t handle, uint_t win, off_t *offp, 1698 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1699 1700/* 1701 * bus_dma_ctl wrapper 1702 */ 1703 1704int 1705ddi_dma_mctl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle, 1706 enum ddi_dma_ctlops request, off_t *offp, size_t *lenp, 1707 caddr_t *objp, uint_t flags); 1708 1709/* 1710 * dvma support for networking drivers 1711 */ 1712 1713unsigned long 1714dvma_pagesize(dev_info_t *dip); 1715 1716int 1717dvma_reserve(dev_info_t *dip, ddi_dma_lim_t *limp, uint_t pages, 1718 ddi_dma_handle_t *handlep); 1719 1720void 1721dvma_release(ddi_dma_handle_t h); 1722 1723void 1724dvma_kaddr_load(ddi_dma_handle_t h, caddr_t a, uint_t len, uint_t index, 1725 ddi_dma_cookie_t *cp); 1726 1727void 1728dvma_unload(ddi_dma_handle_t h, uint_t objindex, uint_t type); 1729 1730void 1731dvma_sync(ddi_dma_handle_t h, uint_t objindex, uint_t type); 1732 1733/* 1734 * Layered driver support 1735 */ 1736 1737extern int ddi_copyin(const void *, void *, size_t, int); 1738extern int ddi_copyout(const void *, void *, size_t, int); 1739 1740/* 1741 * Send signals to processes 1742 */ 1743extern void *proc_ref(void); 1744extern void proc_unref(void *pref); 1745extern int proc_signal(void *pref, int sig); 1746 1747/* I/O port access routines */ 1748extern uint8_t inb(int port); 1749extern uint16_t inw(int port); 1750extern uint32_t inl(int port); 1751extern void outb(int port, uint8_t value); 1752extern void outw(int port, uint16_t value); 1753extern void outl(int port, uint32_t value); 1754 1755/* 1756 * Console bell routines 1757 */ 1758extern void ddi_ring_console_bell(clock_t duration); 1759extern void ddi_set_console_bell(void (*bellfunc)(clock_t duration)); 1760 1761/* 1762 * Fault-related functions 1763 */ 1764extern int ddi_check_acc_handle(ddi_acc_handle_t); 1765extern int ddi_check_dma_handle(ddi_dma_handle_t); 1766extern void ddi_dev_report_fault(dev_info_t *, ddi_fault_impact_t, 1767 ddi_fault_location_t, const char *); 1768extern ddi_devstate_t ddi_get_devstate(dev_info_t *); 1769 1770/* 1771 * Miscellaneous redefines 1772 */ 1773#define uiophysio physio 1774 1775/* 1776 * utilities - "reg" mapping and all common portable data access functions 1777 */ 1778 1779/* 1780 * error code from ddi_regs_map_setup 1781 */ 1782 1783#define DDI_REGS_ACC_CONFLICT (-10) 1784 1785/* 1786 * Device address advance flags 1787 */ 1788 1789#define DDI_DEV_NO_AUTOINCR 0x0000 1790#define DDI_DEV_AUTOINCR 0x0001 1791 1792int 1793ddi_regs_map_setup(dev_info_t *dip, uint_t rnumber, caddr_t *addrp, 1794 offset_t offset, offset_t len, ddi_device_acc_attr_t *accattrp, 1795 ddi_acc_handle_t *handle); 1796 1797void 1798ddi_regs_map_free(ddi_acc_handle_t *handle); 1799 1800/* 1801 * these are the prototypes for the common portable data access functions 1802 */ 1803 1804uint8_t 1805ddi_get8(ddi_acc_handle_t handle, uint8_t *addr); 1806 1807uint16_t 1808ddi_get16(ddi_acc_handle_t handle, uint16_t *addr); 1809 1810uint32_t 1811ddi_get32(ddi_acc_handle_t handle, uint32_t *addr); 1812 1813uint64_t 1814ddi_get64(ddi_acc_handle_t handle, uint64_t *addr); 1815 1816void 1817ddi_rep_get8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr, 1818 size_t repcount, uint_t flags); 1819 1820void 1821ddi_rep_get16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr, 1822 size_t repcount, uint_t flags); 1823 1824void 1825ddi_rep_get32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr, 1826 size_t repcount, uint_t flags); 1827 1828void 1829ddi_rep_get64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr, 1830 size_t repcount, uint_t flags); 1831 1832void 1833ddi_put8(ddi_acc_handle_t handle, uint8_t *addr, uint8_t value); 1834 1835void 1836ddi_put16(ddi_acc_handle_t handle, uint16_t *addr, uint16_t value); 1837 1838void 1839ddi_put32(ddi_acc_handle_t handle, uint32_t *addr, uint32_t value); 1840 1841void 1842ddi_put64(ddi_acc_handle_t handle, uint64_t *addr, uint64_t value); 1843 1844void 1845ddi_rep_put8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr, 1846 size_t repcount, uint_t flags); 1847void 1848ddi_rep_put16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr, 1849 size_t repcount, uint_t flags); 1850void 1851ddi_rep_put32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr, 1852 size_t repcount, uint_t flags); 1853 1854void 1855ddi_rep_put64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr, 1856 size_t repcount, uint_t flags); 1857 1858/* 1859 * these are special device handling functions 1860 */ 1861int 1862ddi_device_zero(ddi_acc_handle_t handle, caddr_t dev_addr, 1863 size_t bytecount, ssize_t dev_advcnt, uint_t dev_datasz); 1864 1865int 1866ddi_device_copy( 1867 ddi_acc_handle_t src_handle, caddr_t src_addr, ssize_t src_advcnt, 1868 ddi_acc_handle_t dest_handle, caddr_t dest_addr, ssize_t dest_advcnt, 1869 size_t bytecount, uint_t dev_datasz); 1870 1871/* 1872 * these are software byte swapping functions 1873 */ 1874uint16_t 1875ddi_swap16(uint16_t value); 1876 1877uint32_t 1878ddi_swap32(uint32_t value); 1879 1880uint64_t 1881ddi_swap64(uint64_t value); 1882 1883/* 1884 * these are the prototypes for PCI local bus functions 1885 */ 1886/* 1887 * PCI power management capabilities reporting in addition to those 1888 * provided by the PCI Power Management Specification. 1889 */ 1890#define PCI_PM_IDLESPEED 0x1 /* clock for idle dev - cap */ 1891#define PCI_PM_IDLESPEED_ANY (void *)-1 /* any clock for idle dev */ 1892#define PCI_PM_IDLESPEED_NONE (void *)-2 /* regular clock for idle dev */ 1893 1894int 1895pci_config_setup(dev_info_t *dip, ddi_acc_handle_t *handle); 1896 1897void 1898pci_config_teardown(ddi_acc_handle_t *handle); 1899 1900uint8_t 1901pci_config_get8(ddi_acc_handle_t handle, off_t offset); 1902 1903uint16_t 1904pci_config_get16(ddi_acc_handle_t handle, off_t offset); 1905 1906uint32_t 1907pci_config_get32(ddi_acc_handle_t handle, off_t offset); 1908 1909uint64_t 1910pci_config_get64(ddi_acc_handle_t handle, off_t offset); 1911 1912void 1913pci_config_put8(ddi_acc_handle_t handle, off_t offset, uint8_t value); 1914 1915void 1916pci_config_put16(ddi_acc_handle_t handle, off_t offset, uint16_t value); 1917 1918void 1919pci_config_put32(ddi_acc_handle_t handle, off_t offset, uint32_t value); 1920 1921void 1922pci_config_put64(ddi_acc_handle_t handle, off_t offset, uint64_t value); 1923 1924int 1925pci_report_pmcap(dev_info_t *dip, int cap, void *arg); 1926 1927int 1928pci_restore_config_regs(dev_info_t *dip); 1929 1930int 1931pci_save_config_regs(dev_info_t *dip); 1932 1933void 1934pci_ereport_setup(dev_info_t *dip); 1935 1936void 1937pci_ereport_teardown(dev_info_t *dip); 1938 1939void 1940pci_ereport_post(dev_info_t *dip, ddi_fm_error_t *derr, uint16_t *status); 1941 1942#if defined(__i386) || defined(__amd64) 1943int 1944pci_peekpoke_check(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, void *, 1945 int (*handler)(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, 1946 void *), kmutex_t *, kmutex_t *, 1947 void (*scan)(dev_info_t *, ddi_fm_error_t *)); 1948#endif 1949 1950void 1951pci_target_enqueue(uint64_t, char *, char *, uint64_t); 1952 1953void 1954pci_targetq_init(void); 1955 1956int 1957pci_post_suspend(dev_info_t *dip); 1958 1959int 1960pci_pre_resume(dev_info_t *dip); 1961 1962/* 1963 * the prototype for the C Language Type Model inquiry. 1964 */ 1965model_t ddi_mmap_get_model(void); 1966model_t ddi_model_convert_from(model_t); 1967 1968/* 1969 * these are the prototypes for device id functions. 1970 */ 1971int 1972ddi_devid_valid(ddi_devid_t devid); 1973 1974int 1975ddi_devid_register(dev_info_t *dip, ddi_devid_t devid); 1976 1977void 1978ddi_devid_unregister(dev_info_t *dip); 1979 1980int 1981ddi_devid_init(dev_info_t *dip, ushort_t devid_type, ushort_t nbytes, 1982 void *id, ddi_devid_t *ret_devid); 1983 1984int 1985ddi_devid_get(dev_info_t *dip, ddi_devid_t *ret_devid); 1986 1987size_t 1988ddi_devid_sizeof(ddi_devid_t devid); 1989 1990void 1991ddi_devid_free(ddi_devid_t devid); 1992 1993int 1994ddi_devid_compare(ddi_devid_t id1, ddi_devid_t id2); 1995 1996int 1997ddi_devid_scsi_encode(int version, char *driver_name, 1998 uchar_t *inq, size_t inq_len, uchar_t *inq80, size_t inq80_len, 1999 uchar_t *inq83, size_t inq83_len, ddi_devid_t *ret_devid); 2000 2001char 2002*ddi_devid_to_guid(ddi_devid_t devid); 2003 2004void 2005ddi_devid_free_guid(char *guid); 2006 2007int 2008ddi_devid_str_to_wwn(const char *string, uint64_t *wwn); 2009 2010int 2011ddi_lyr_get_devid(dev_t dev, ddi_devid_t *ret_devid); 2012 2013int 2014ddi_lyr_get_minor_name(dev_t dev, int spec_type, char **minor_name); 2015 2016int 2017ddi_lyr_devid_to_devlist(ddi_devid_t devid, char *minor_name, int *retndevs, 2018 dev_t **retdevs); 2019 2020void 2021ddi_lyr_free_devlist(dev_t *devlist, int ndevs); 2022 2023char * 2024ddi_devid_str_encode(ddi_devid_t devid, char *minor_name); 2025 2026int 2027ddi_devid_str_decode(char *devidstr, ddi_devid_t *devidp, char **minor_namep); 2028 2029void 2030ddi_devid_str_free(char *devidstr); 2031 2032int 2033ddi_devid_str_compare(char *id1_str, char *id2_str); 2034 2035/* 2036 * Event to post to when a devinfo node is removed. 2037 */ 2038#define DDI_DEVI_REMOVE_EVENT "DDI:DEVI_REMOVE" 2039#define DDI_DEVI_INSERT_EVENT "DDI:DEVI_INSERT" 2040#define DDI_DEVI_BUS_RESET_EVENT "DDI:DEVI_BUS_RESET" 2041#define DDI_DEVI_DEVICE_RESET_EVENT "DDI:DEVI_DEVICE_RESET" 2042 2043/* 2044 * Invoke bus nexus driver's implementation of the 2045 * (*bus_remove_eventcall)() interface to remove a registered 2046 * callback handler for "event". 2047 */ 2048int 2049ddi_remove_event_handler(ddi_callback_id_t id); 2050 2051/* 2052 * Invoke bus nexus driver's implementation of the 2053 * (*bus_add_eventcall)() interface to register a callback handler 2054 * for "event". 2055 */ 2056int 2057ddi_add_event_handler(dev_info_t *dip, ddi_eventcookie_t event, 2058 void (*handler)(dev_info_t *, ddi_eventcookie_t, void *, void *), 2059 void *arg, ddi_callback_id_t *id); 2060 2061/* 2062 * Return a handle for event "name" by calling up the device tree 2063 * hierarchy via (*bus_get_eventcookie)() interface until claimed 2064 * by a bus nexus or top of dev_info tree is reached. 2065 */ 2066int 2067ddi_get_eventcookie(dev_info_t *dip, char *name, 2068 ddi_eventcookie_t *event_cookiep); 2069 2070/* 2071 * log a system event 2072 */ 2073int 2074ddi_log_sysevent(dev_info_t *dip, char *vendor, char *class_name, 2075 char *subclass_name, nvlist_t *attr_list, sysevent_id_t *eidp, 2076 int sleep_flag); 2077 2078/* 2079 * ddi_log_sysevent() vendors 2080 */ 2081#define DDI_VENDOR_SUNW "SUNW" 2082 2083/* 2084 * Opaque task queue handle. 2085 */ 2086typedef struct ddi_taskq ddi_taskq_t; 2087 2088/* 2089 * Use default system priority. 2090 */ 2091#define TASKQ_DEFAULTPRI -1 2092 2093/* 2094 * Create a task queue 2095 */ 2096ddi_taskq_t *ddi_taskq_create(dev_info_t *dip, const char *name, 2097 int nthreads, pri_t pri, uint_t cflags); 2098 2099/* 2100 * destroy a task queue 2101 */ 2102void ddi_taskq_destroy(ddi_taskq_t *tq); 2103 2104/* 2105 * Dispatch a task to a task queue 2106 */ 2107int ddi_taskq_dispatch(ddi_taskq_t *tq, void (* func)(void *), 2108 void *arg, uint_t dflags); 2109 2110/* 2111 * Wait for all previously scheduled tasks to complete. 2112 */ 2113void ddi_taskq_wait(ddi_taskq_t *tq); 2114 2115/* 2116 * Suspend all task execution. 2117 */ 2118void ddi_taskq_suspend(ddi_taskq_t *tq); 2119 2120/* 2121 * Resume task execution. 2122 */ 2123void ddi_taskq_resume(ddi_taskq_t *tq); 2124 2125/* 2126 * Is task queue suspended? 2127 */ 2128boolean_t ddi_taskq_suspended(ddi_taskq_t *tq); 2129 2130/* 2131 * Parse an interface name of the form <alphanumeric>##<numeric> where 2132 * <numeric> is maximal. 2133 */ 2134int ddi_parse(const char *, char *, uint_t *); 2135 2136/* 2137 * DDI interrupt priority level 2138 */ 2139#define DDI_IPL_0 (0) /* kernel context */ 2140#define DDI_IPL_1 (1) /* interrupt priority level 1 */ 2141#define DDI_IPL_2 (2) /* interrupt priority level 2 */ 2142#define DDI_IPL_3 (3) /* interrupt priority level 3 */ 2143#define DDI_IPL_4 (4) /* interrupt priority level 4 */ 2144#define DDI_IPL_5 (5) /* interrupt priority level 5 */ 2145#define DDI_IPL_6 (6) /* interrupt priority level 6 */ 2146#define DDI_IPL_7 (7) /* interrupt priority level 7 */ 2147#define DDI_IPL_8 (8) /* interrupt priority level 8 */ 2148#define DDI_IPL_9 (9) /* interrupt priority level 9 */ 2149#define DDI_IPL_10 (10) /* interrupt priority level 10 */ 2150 2151/* 2152 * DDI periodic timeout interface 2153 */ 2154ddi_periodic_t ddi_periodic_add(void (*)(void *), void *, hrtime_t, int); 2155void ddi_periodic_delete(ddi_periodic_t); 2156 2157/* 2158 * Default quiesce(9E) implementation for drivers that don't need to do 2159 * anything. 2160 */ 2161int ddi_quiesce_not_needed(dev_info_t *); 2162 2163/* 2164 * Default quiesce(9E) initialization function for drivers that should 2165 * implement quiesce but haven't yet. 2166 */ 2167int ddi_quiesce_not_supported(dev_info_t *); 2168 2169/* 2170 * DDI generic callback interface 2171 */ 2172 2173typedef struct __ddi_cb **ddi_cb_handle_t; 2174 2175int ddi_cb_register(dev_info_t *dip, ddi_cb_flags_t flags, 2176 ddi_cb_func_t cbfunc, void *arg1, void *arg2, 2177 ddi_cb_handle_t *ret_hdlp); 2178int ddi_cb_unregister(ddi_cb_handle_t hdl); 2179 2180#endif /* _KERNEL */ 2181 2182#ifdef __cplusplus 2183} 2184#endif 2185 2186#endif /* _SYS_SUNDDI_H */ 2187