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 2008 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 #include <sys/u8_textprep.h> 63 #include <sys/kiconv.h> 64 65 #ifdef __cplusplus 66 extern "C" { 67 #endif 68 69 /* 70 * Generic Sun DDI definitions. 71 */ 72 73 #define DDI_SUCCESS (0) /* successful return */ 74 #define DDI_FAILURE (-1) /* unsuccessful return */ 75 #define DDI_NOT_WELL_FORMED (-2) /* A dev_info node is not valid */ 76 #define DDI_EAGAIN (-3) /* not enough interrupt resources */ 77 #define DDI_EINVAL (-4) /* invalid request or arguments */ 78 #define DDI_ENOTSUP (-5) /* operation is not supported */ 79 #define DDI_EPENDING (-6) /* operation or an event is pending */ 80 81 /* 82 * General-purpose DDI error return value definitions 83 */ 84 #define DDI_ENOMEM 1 /* memory not available */ 85 #define DDI_EBUSY 2 /* busy */ 86 #define DDI_ETRANSPORT 3 /* transport down */ 87 #define DDI_ECONTEXT 4 /* context error */ 88 89 90 /* 91 * General DDI sleep/nosleep allocation flags 92 */ 93 #define DDI_SLEEP 0 94 #define DDI_NOSLEEP 1 95 96 /* 97 * The following special nodeid values are reserved for use when creating 98 * nodes ONLY. They specify the attributes of the DDI_NC_PSEUDO class node 99 * being created: 100 * 101 * o DEVI_PSEUDO_NODEID specifics a node without persistence. 102 * o DEVI_SID_NODEID specifies a node with persistence. 103 * 104 * A node with the 'persistent' attribute will not be automatically removed by 105 * the framework in the current implementation - driver.conf nodes are without 106 * persistence. 107 * 108 * The actual nodeid value may be assigned by the framework and may be 109 * different than these special values. Drivers may not make assumptions 110 * about the nodeid value that is actually assigned to the node. 111 */ 112 113 #define DEVI_PSEUDO_NODEID ((int)-1) 114 #define DEVI_SID_NODEID ((int)-2) 115 116 #define DEVI_PSEUDO_NEXNAME "pseudo" 117 #define DEVI_ISA_NEXNAME "isa" 118 #define DEVI_EISA_NEXNAME "eisa" 119 120 /* 121 * ddi_create_minor_node flags 122 */ 123 #define CLONE_DEV 1 /* device is a clone device */ 124 #define PRIVONLY_DEV 0x10 /* policy-based permissions only */ 125 126 /* 127 * Historical values used for the flag field in ddi_create_minor_node. 128 * Future use of flag bits should avoid these fields to keep binary 129 * compatibility 130 * #define GLOBAL_DEV 0x2 131 * #define NODEBOUND_DEV 0x4 132 * #define NODESPECIFIC_DEV 0x6 133 * #define ENUMERATED_DEV 0x8 134 */ 135 136 /* 137 * Device type defines which are used by the 'node_type' element of the 138 * ddi_minor_data structure 139 */ 140 #define DDI_NT_SERIAL "ddi_serial" /* Serial port */ 141 #define DDI_NT_SERIAL_MB "ddi_serial:mb" /* the 'built-in' serial */ 142 /* ports (the old ttya, b */ 143 /* (,c ,d)) */ 144 #define DDI_NT_SERIAL_DO "ddi_serial:dialout" /* dialout ports */ 145 #define DDI_NT_SERIAL_MB_DO "ddi_serial:dialout,mb" /* dialout for onboard */ 146 /* ports */ 147 #define DDI_NT_SERIAL_LOMCON "ddi_serial:lomcon" /* LOMlite2 console port */ 148 149 /* 150 * *_CHAN disk type devices have channel numbers or target numbers. 151 * (i.e. ipi and scsi devices) 152 */ 153 #define DDI_NT_BLOCK "ddi_block" /* hard disks */ 154 /* 155 * The next define is for block type devices that can possible exist on 156 * a sub-bus like the scsi bus or the ipi channel. The 'disks' program 157 * will pick up on this and create logical names like c0t0d0s0 instead of 158 * c0d0s0 159 */ 160 #define DDI_NT_BLOCK_CHAN "ddi_block:channel" 161 #define DDI_NT_BLOCK_WWN "ddi_block:wwn" 162 #define DDI_NT_CD "ddi_block:cdrom" /* rom drives (cd-rom) */ 163 #define DDI_NT_CD_CHAN "ddi_block:cdrom:channel" /* rom drives (scsi type) */ 164 #define DDI_NT_FD "ddi_block:diskette" /* floppy disks */ 165 166 #define DDI_NT_ENCLOSURE "ddi_enclosure" 167 #define DDI_NT_SCSI_ENCLOSURE "ddi_enclosure:scsi" 168 169 /* 170 * xVM virtual block devices 171 */ 172 #define DDI_NT_BLOCK_XVMD "ddi_block:xvmd" 173 #define DDI_NT_CD_XVMD "ddi_block:cdrom:xvmd" 174 175 176 #define DDI_NT_TAPE "ddi_byte:tape" /* tape drives */ 177 178 #define DDI_NT_NET "ddi_network" /* DLPI network devices */ 179 180 #define DDI_NT_NET_WIFI "ddi_network:wifi" /* wifi devices */ 181 182 #define DDI_NT_DISPLAY "ddi_display" /* display devices */ 183 184 #define DDI_NT_DISPLAY_DRM "ddi_display:drm" /* drm display devices */ 185 186 #define DDI_PSEUDO "ddi_pseudo" /* general pseudo devices */ 187 188 #define DDI_NT_AUDIO "ddi_audio" /* audio device */ 189 190 #define DDI_NT_MOUSE "ddi_mouse" /* mouse device */ 191 192 #define DDI_NT_KEYBOARD "ddi_keyboard" /* keyboard device */ 193 194 #define DDI_NT_PARALLEL "ddi_parallel" /* parallel port */ 195 196 #define DDI_NT_PRINTER "ddi_printer" /* printer device */ 197 198 #define DDI_NT_UGEN "ddi_generic:usb" /* USB generic drv */ 199 200 #define DDI_NT_SMP "ddi_sas_smp" /* smp devcies */ 201 202 #define DDI_NT_NEXUS "ddi_ctl:devctl" /* nexus drivers */ 203 204 #define DDI_NT_SCSI_NEXUS "ddi_ctl:devctl:scsi" /* nexus drivers */ 205 206 #define DDI_NT_SATA_NEXUS "ddi_ctl:devctl:sata" /* nexus drivers */ 207 208 #define DDI_NT_ATTACHMENT_POINT "ddi_ctl:attachment_point" /* attachment pt */ 209 210 #define DDI_NT_SCSI_ATTACHMENT_POINT "ddi_ctl:attachment_point:scsi" 211 /* scsi attachment pt */ 212 213 #define DDI_NT_SATA_ATTACHMENT_POINT "ddi_ctl:attachment_point:sata" 214 /* sata attachment pt */ 215 216 #define DDI_NT_PCI_ATTACHMENT_POINT "ddi_ctl:attachment_point:pci" 217 /* PCI attachment pt */ 218 #define DDI_NT_SBD_ATTACHMENT_POINT "ddi_ctl:attachment_point:sbd" 219 /* generic bd attachment pt */ 220 #define DDI_NT_FC_ATTACHMENT_POINT "ddi_ctl:attachment_point:fc" 221 /* FC attachment pt */ 222 #define DDI_NT_USB_ATTACHMENT_POINT "ddi_ctl:attachment_point:usb" 223 /* USB devices */ 224 #define DDI_NT_BLOCK_FABRIC "ddi_block:fabric" 225 /* Fabric Devices */ 226 #define DDI_NT_IB_ATTACHMENT_POINT "ddi_ctl:attachment_point:ib" 227 /* IB devices */ 228 #define DDI_NT_SMARTCARD_READER "ddi_smartcard_reader" /* Smartcard reader */ 229 230 #define DDI_NT_AV_ASYNC "ddi_av:async" /* asynchronous AV device */ 231 #define DDI_NT_AV_ISOCH "ddi_av:isoch" /* isochronous AV device */ 232 233 /* Device types used for agpgart driver related devices */ 234 #define DDI_NT_AGP_PSEUDO "ddi_agp:pseudo" /* agpgart pseudo device */ 235 #define DDI_NT_AGP_MASTER "ddi_agp:master" /* agp master device */ 236 #define DDI_NT_AGP_TARGET "ddi_agp:target" /* agp target device */ 237 #define DDI_NT_AGP_CPUGART "ddi_agp:cpugart" /* amd64 on-cpu gart device */ 238 239 #define DDI_NT_REGACC "ddi_tool_reg" /* tool register access */ 240 #define DDI_NT_INTRCTL "ddi_tool_intr" /* tool intr access */ 241 242 /* 243 * DDI event definitions 244 */ 245 #define EC_DEVFS "EC_devfs" /* Event class devfs */ 246 #define EC_DDI "EC_ddi" /* Event class ddi */ 247 248 /* Class devfs subclasses */ 249 #define ESC_DEVFS_MINOR_CREATE "ESC_devfs_minor_create" 250 #define ESC_DEVFS_MINOR_REMOVE "ESC_devfs_minor_remove" 251 #define ESC_DEVFS_DEVI_ADD "ESC_devfs_devi_add" 252 #define ESC_DEVFS_DEVI_REMOVE "ESC_devfs_devi_remove" 253 #define ESC_DEVFS_INSTANCE_MOD "ESC_devfs_instance_mod" 254 #define ESC_DEVFS_BRANCH_ADD "ESC_devfs_branch_add" 255 #define ESC_DEVFS_BRANCH_REMOVE "ESC_devfs_branch_remove" 256 #define ESC_DEVFS_START "ESC_devfs_start" 257 258 /* Class ddi subclasses */ 259 #define ESC_DDI_INITIATOR_REGISTER "ESC_ddi_initiator_register" 260 #define ESC_DDI_INITIATOR_UNREGISTER "ESC_ddi_initiator_unregister" 261 262 /* DDI/NDI event publisher */ 263 #define EP_DDI SUNW_KERN_PUB"ddi" 264 265 /* 266 * devfs event class attributes 267 * 268 * The following attributes are private to EC_DEVFS event data. 269 */ 270 #define DEVFS_DRIVER_NAME "di.driver" 271 #define DEVFS_INSTANCE "di.instance" 272 #define DEVFS_PATHNAME "di.path" 273 #define DEVFS_DEVI_CLASS "di.devi_class" 274 #define DEVFS_BRANCH_EVENT "di.branch_event" 275 #define DEVFS_MINOR_NAME "mi.name" 276 #define DEVFS_MINOR_NODETYPE "mi.nodetype" 277 #define DEVFS_MINOR_ISCLONE "mi.isclone" 278 #define DEVFS_MINOR_MAJNUM "mi.majorno" 279 #define DEVFS_MINOR_MINORNUM "mi.minorno" 280 281 /* 282 * ddi event class payload 283 * 284 * The following attributes are private to EC_DDI event data. 285 */ 286 #define DDI_DRIVER_NAME "ddi.driver" 287 #define DDI_DRIVER_MAJOR "ddi.major" 288 #define DDI_INSTANCE "ddi.instance" 289 #define DDI_PATHNAME "ddi.path" 290 #define DDI_CLASS "ddi.class" 291 292 /* 293 * Fault-related definitions 294 * 295 * The specific numeric values have been chosen to be ordered, but 296 * not consecutive, to allow for future interpolation if required. 297 */ 298 typedef enum { 299 DDI_SERVICE_LOST = -32, 300 DDI_SERVICE_DEGRADED = -16, 301 DDI_SERVICE_UNAFFECTED = 0, 302 DDI_SERVICE_RESTORED = 16 303 } ddi_fault_impact_t; 304 305 typedef enum { 306 DDI_DATAPATH_FAULT = -32, 307 DDI_DEVICE_FAULT = -16, 308 DDI_EXTERNAL_FAULT = 0 309 } ddi_fault_location_t; 310 311 typedef enum { 312 DDI_DEVSTATE_OFFLINE = -32, 313 DDI_DEVSTATE_DOWN = -16, 314 DDI_DEVSTATE_QUIESCED = 0, 315 DDI_DEVSTATE_DEGRADED = 16, 316 DDI_DEVSTATE_UP = 32 317 } ddi_devstate_t; 318 319 #ifdef _KERNEL 320 321 /* 322 * Common property definitions 323 */ 324 #define DDI_FORCEATTACH "ddi-forceattach" 325 #define DDI_NO_AUTODETACH "ddi-no-autodetach" 326 #define DDI_VHCI_CLASS "ddi-vhci-class" 327 #define DDI_NO_ROOT_SUPPORT "ddi-no-root-support" 328 #define DDI_OPEN_RETURNS_EINTR "ddi-open-returns-eintr" 329 330 /* 331 * Values that the function supplied to the dev_info 332 * tree traversal functions defined below must return. 333 */ 334 335 /* 336 * Continue search, if appropriate. 337 */ 338 #define DDI_WALK_CONTINUE 0 339 340 /* 341 * Terminate current depth of traversal. That is, terminate 342 * the current traversal of children nodes, but continue 343 * traversing sibling nodes and their children (if any). 344 */ 345 346 #define DDI_WALK_PRUNECHILD -1 347 348 /* 349 * Terminate current width of traversal. That is, terminate 350 * the current traversal of sibling nodes, but continue with 351 * traversing children nodes and their siblings (if appropriate). 352 */ 353 354 #define DDI_WALK_PRUNESIB -2 355 356 /* 357 * Terminate the entire search. 358 */ 359 360 #define DDI_WALK_TERMINATE -3 361 362 /* 363 * Terminate the entire search because an error occurred in function 364 */ 365 #define DDI_WALK_ERROR -4 366 367 /* 368 * Drivers that are prepared to support full driver layering 369 * should create and export a null-valued property of the following 370 * name. 371 * 372 * Such drivers should be prepared to be called with FKLYR in 373 * the 'flag' argument of their open(9E), close(9E) routines, and 374 * with FKIOCTL in the 'mode' argument of their ioctl(9E) routines. 375 * 376 * See ioctl(9E) and ddi_copyin(9F) for details. 377 */ 378 #define DDI_KERNEL_IOCTL "ddi-kernel-ioctl" 379 380 /* 381 * Model definitions for ddi_mmap_get_model(9F) and ddi_model_convert_from(9F). 382 */ 383 #define DDI_MODEL_MASK DATAMODEL_MASK /* Note: 0x0FF00000 */ 384 #define DDI_MODEL_ILP32 DATAMODEL_ILP32 385 #define DDI_MODEL_LP64 DATAMODEL_LP64 386 #define DDI_MODEL_NATIVE DATAMODEL_NATIVE 387 #define DDI_MODEL_NONE DATAMODEL_NONE 388 389 /* 390 * Functions and data references which really should be in <sys/ddi.h> 391 */ 392 393 extern int maxphys; 394 extern void minphys(struct buf *); 395 extern int physio(int (*)(struct buf *), struct buf *, dev_t, 396 int, void (*)(struct buf *), struct uio *); 397 extern void disksort(struct diskhd *, struct buf *); 398 399 extern long strtol(const char *, char **, int); 400 extern unsigned long strtoul(const char *, char **, int); 401 extern size_t strlen(const char *) __PURE; 402 extern size_t strnlen(const char *, size_t) __PURE; 403 extern char *strcpy(char *, const char *); 404 extern char *strncpy(char *, const char *, size_t); 405 /* Need to be consistent with <string.h> C++ definition for strchr() */ 406 #if __cplusplus >= 199711L 407 extern const char *strchr(const char *, int); 408 #ifndef _STRCHR_INLINE 409 #define _STRCHR_INLINE 410 extern "C++" { 411 inline char *strchr(char *__s, int __c) { 412 return (char *)strchr((const char *)__s, __c); 413 } 414 } 415 #endif /* _STRCHR_INLINE */ 416 #else 417 extern char *strchr(const char *, int); 418 #endif /* __cplusplus >= 199711L */ 419 #define DDI_STRSAME(s1, s2) ((*(s1) == *(s2)) && (strcmp((s1), (s2)) == 0)) 420 extern int strcmp(const char *, const char *) __PURE; 421 extern int strncmp(const char *, const char *, size_t) __PURE; 422 extern char *strncat(char *, const char *, size_t); 423 extern size_t strlcat(char *, const char *, size_t); 424 extern size_t strlcpy(char *, const char *, size_t); 425 extern size_t strspn(const char *, const char *); 426 extern int bcmp(const void *, const void *, size_t) __PURE; 427 extern int stoi(char **); 428 extern void numtos(ulong_t, char *); 429 extern void bcopy(const void *, void *, size_t); 430 extern void bzero(void *, size_t); 431 432 extern void *memcpy(void *, const void *, size_t); 433 extern void *memset(void *, int, size_t); 434 extern void *memmove(void *, const void *, size_t); 435 extern int memcmp(const void *, const void *, size_t) __PURE; 436 /* Need to be consistent with <string.h> C++ definition for memchr() */ 437 #if __cplusplus >= 199711L 438 extern const void *memchr(const void *, int, size_t); 439 #ifndef _MEMCHR_INLINE 440 #define _MEMCHR_INLINE 441 extern "C++" { 442 inline void *memchr(void * __s, int __c, size_t __n) { 443 return (void *)memchr((const void *)__s, __c, __n); 444 } 445 } 446 #endif /* _MEMCHR_INLINE */ 447 #else 448 extern void *memchr(const void *, int, size_t); 449 #endif /* __cplusplus >= 199711L */ 450 451 extern int ddi_strtol(const char *, char **, int, long *); 452 extern int ddi_strtoul(const char *, char **, int, unsigned long *); 453 454 /* 455 * kiconv functions and their macros. 456 */ 457 #define KICONV_IGNORE_NULL (0x0001) 458 #define KICONV_REPLACE_INVALID (0x0002) 459 460 extern kiconv_t kiconv_open(const char *, const char *); 461 extern size_t kiconv(kiconv_t, char **, size_t *, char **, size_t *, int *); 462 extern int kiconv_close(kiconv_t); 463 extern size_t kiconvstr(const char *, const char *, char *, size_t *, char *, 464 size_t *, int, int *); 465 466 /* 467 * ddi_map_regs 468 * 469 * Map in the register set given by rnumber. 470 * The register number determine which register 471 * set will be mapped if more than one exists. 472 * The parent driver gets the information 473 * from parent private data and sets up the 474 * appropriate mappings and returns the kernel 475 * virtual address of the register set in *kaddrp. 476 * The offset specifies an offset into the register 477 * space to start from and len indicates the size 478 * of the area to map. If len and offset are 0 then 479 * the entire space is mapped. It returns DDI_SUCCESS on 480 * success or DDI_FAILURE otherwise. 481 * 482 */ 483 int 484 ddi_map_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, 485 off_t offset, off_t len); 486 487 /* 488 * ddi_unmap_regs 489 * 490 * Undo mappings set up by ddi_map_regs. 491 * The register number determines which register 492 * set will be unmapped if more than one exists. 493 * This is provided for drivers preparing 494 * to detach themselves from the system to 495 * allow them to release allocated mappings. 496 * 497 * The kaddrp and len specify the area to be 498 * unmapped. *kaddrp was returned from ddi_map_regs 499 * and len should match what ddi_map_regs was called 500 * with. 501 */ 502 503 void 504 ddi_unmap_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, 505 off_t offset, off_t len); 506 507 int 508 ddi_map(dev_info_t *dp, ddi_map_req_t *mp, off_t offset, off_t len, 509 caddr_t *addrp); 510 511 int 512 ddi_apply_range(dev_info_t *dip, dev_info_t *rdip, struct regspec *rp); 513 514 /* 515 * ddi_rnumber_to_regspec: Not for use by leaf drivers. 516 */ 517 struct regspec * 518 ddi_rnumber_to_regspec(dev_info_t *dip, int rnumber); 519 520 int 521 ddi_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset, 522 off_t len, caddr_t *vaddrp); 523 524 int 525 nullbusmap(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset, 526 off_t len, caddr_t *vaddrp); 527 528 int ddi_peek8(dev_info_t *dip, int8_t *addr, int8_t *val_p); 529 int ddi_peek16(dev_info_t *dip, int16_t *addr, int16_t *val_p); 530 int ddi_peek32(dev_info_t *dip, int32_t *addr, int32_t *val_p); 531 int ddi_peek64(dev_info_t *dip, int64_t *addr, int64_t *val_p); 532 533 int ddi_poke8(dev_info_t *dip, int8_t *addr, int8_t val); 534 int ddi_poke16(dev_info_t *dip, int16_t *addr, int16_t val); 535 int ddi_poke32(dev_info_t *dip, int32_t *addr, int32_t val); 536 int ddi_poke64(dev_info_t *dip, int64_t *addr, int64_t val); 537 538 /* 539 * Peek and poke to and from a uio structure in xfersize pieces, 540 * using the parent nexi. 541 */ 542 int ddi_peekpokeio(dev_info_t *devi, struct uio *uio, enum uio_rw rw, 543 caddr_t addr, size_t len, uint_t xfersize); 544 545 /* 546 * Pagesize conversions using the parent nexi 547 */ 548 unsigned long ddi_btop(dev_info_t *dip, unsigned long bytes); 549 unsigned long ddi_btopr(dev_info_t *dip, unsigned long bytes); 550 unsigned long ddi_ptob(dev_info_t *dip, unsigned long pages); 551 552 /* 553 * There are no more "block" interrupt functions, per se. 554 * All thread of control should be done with MP/MT lockings. 555 * 556 * However, there are certain times in which a driver needs 557 * absolutely a critical guaranteed non-preemptable time 558 * in which to execute a few instructions. 559 * 560 * The following pair of functions attempt to guarantee this, 561 * but they are dangerous to use. That is, use them with 562 * extreme care. They do not guarantee to stop other processors 563 * from executing, but they do guarantee that the caller 564 * of ddi_enter_critical will continue to run until the 565 * caller calls ddi_exit_critical. No intervening DDI functions 566 * may be called between an entry and an exit from a critical 567 * region. 568 * 569 * ddi_enter_critical returns an integer identifier which must 570 * be passed to ddi_exit_critical. 571 * 572 * Be very sparing in the use of these functions since it is 573 * likely that absolutely nothing else can occur in the system 574 * whilst in the critical region. 575 */ 576 577 unsigned int 578 ddi_enter_critical(void); 579 580 void 581 ddi_exit_critical(unsigned int); 582 583 /* 584 * devmap functions 585 */ 586 int 587 devmap_setup(dev_t dev, offset_t off, ddi_as_handle_t as, caddr_t *addrp, 588 size_t len, uint_t prot, uint_t maxprot, uint_t flags, 589 struct cred *cred); 590 591 int 592 ddi_devmap_segmap(dev_t dev, off_t off, ddi_as_handle_t as, caddr_t *addrp, 593 off_t len, uint_t prot, uint_t maxprot, uint_t flags, 594 struct cred *cred); 595 596 int 597 devmap_load(devmap_cookie_t dhp, offset_t offset, size_t len, uint_t type, 598 uint_t rw); 599 600 int 601 devmap_unload(devmap_cookie_t dhp, offset_t offset, size_t len); 602 603 int 604 devmap_devmem_setup(devmap_cookie_t dhp, dev_info_t *dip, 605 struct devmap_callback_ctl *callback_ops, 606 uint_t rnumber, offset_t roff, size_t len, uint_t maxprot, 607 uint_t flags, ddi_device_acc_attr_t *accattrp); 608 609 int 610 devmap_umem_setup(devmap_cookie_t dhp, dev_info_t *dip, 611 struct devmap_callback_ctl *callback_ops, 612 ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot, 613 uint_t flags, ddi_device_acc_attr_t *accattrp); 614 615 int 616 devmap_devmem_remap(devmap_cookie_t dhp, dev_info_t *dip, 617 uint_t rnumber, offset_t roff, size_t len, uint_t maxprot, 618 uint_t flags, ddi_device_acc_attr_t *accattrp); 619 620 int 621 devmap_umem_remap(devmap_cookie_t dhp, dev_info_t *dip, 622 ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot, 623 uint_t flags, ddi_device_acc_attr_t *accattrp); 624 625 void 626 devmap_set_ctx_timeout(devmap_cookie_t dhp, clock_t ticks); 627 628 int 629 devmap_default_access(devmap_cookie_t dhp, void *pvtp, offset_t off, 630 size_t len, uint_t type, uint_t rw); 631 632 int 633 devmap_do_ctxmgt(devmap_cookie_t dhp, void *pvtp, offset_t off, size_t len, 634 uint_t type, uint_t rw, int (*ctxmgt)(devmap_cookie_t, void *, offset_t, 635 size_t, uint_t, uint_t)); 636 637 638 void *ddi_umem_alloc(size_t size, int flag, ddi_umem_cookie_t *cookiep); 639 640 void ddi_umem_free(ddi_umem_cookie_t cookie); 641 642 /* 643 * Functions to lock user memory and do repeated I/O or do devmap_umem_setup 644 */ 645 int 646 ddi_umem_lock(caddr_t addr, size_t size, int flags, ddi_umem_cookie_t *cookie); 647 648 void 649 ddi_umem_unlock(ddi_umem_cookie_t cookie); 650 651 struct buf * 652 ddi_umem_iosetup(ddi_umem_cookie_t cookie, off_t off, size_t len, int direction, 653 dev_t dev, daddr_t blkno, int (*iodone)(struct buf *), int sleepflag); 654 655 /* 656 * Mapping functions 657 */ 658 int 659 ddi_segmap(dev_t dev, off_t offset, struct as *asp, caddr_t *addrp, off_t len, 660 uint_t prot, uint_t maxprot, uint_t flags, cred_t *credp); 661 662 int 663 ddi_segmap_setup(dev_t dev, off_t offset, struct as *as, caddr_t *addrp, 664 off_t len, uint_t prot, uint_t maxprot, uint_t flags, cred_t *cred, 665 ddi_device_acc_attr_t *accattrp, uint_t rnumber); 666 667 int 668 ddi_map_fault(dev_info_t *dip, struct hat *hat, struct seg *seg, caddr_t addr, 669 struct devpage *dp, pfn_t pfn, uint_t prot, uint_t lock); 670 671 int 672 ddi_device_mapping_check(dev_t dev, ddi_device_acc_attr_t *accattrp, 673 uint_t rnumber, uint_t *hat_flags); 674 675 /* 676 * Property functions: See also, ddipropdefs.h. 677 * In general, the underlying driver MUST be held 678 * to call it's property functions. 679 */ 680 681 /* 682 * Used to create, modify, and lookup integer properties 683 */ 684 int ddi_prop_get_int(dev_t match_dev, dev_info_t *dip, uint_t flags, 685 char *name, int defvalue); 686 int64_t ddi_prop_get_int64(dev_t match_dev, dev_info_t *dip, uint_t flags, 687 char *name, int64_t defvalue); 688 int ddi_prop_lookup_int_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 689 char *name, int **data, uint_t *nelements); 690 int ddi_prop_lookup_int64_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 691 char *name, int64_t **data, uint_t *nelements); 692 int ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 693 char *name, int data); 694 int ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 695 char *name, int64_t data); 696 int ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 697 char *name, int *data, uint_t nelements); 698 int ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 699 char *name, int64_t *data, uint_t nelements); 700 /* 701 * Used to create, modify, and lookup string properties 702 */ 703 int ddi_prop_lookup_string(dev_t match_dev, dev_info_t *dip, uint_t flags, 704 char *name, char **data); 705 int ddi_prop_lookup_string_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 706 char *name, char ***data, uint_t *nelements); 707 int ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 708 char *name, char *data); 709 int ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 710 char *name, char **data, uint_t nelements); 711 712 /* 713 * Used to create, modify, and lookup byte properties 714 */ 715 int ddi_prop_lookup_byte_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 716 char *name, uchar_t **data, uint_t *nelements); 717 int ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 718 char *name, uchar_t *data, uint_t nelements); 719 720 /* 721 * Used to verify the existence of a property or to see if a boolean 722 * property exists. 723 */ 724 int ddi_prop_exists(dev_t match_dev, dev_info_t *dip, uint_t flags, char *name); 725 726 /* 727 * Used to free the data returned by the above property routines. 728 */ 729 void ddi_prop_free(void *data); 730 731 /* 732 * nopropop: For internal use in `dummy' cb_prop_op functions only 733 */ 734 735 int 736 nopropop(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 737 char *name, caddr_t valuep, int *lengthp); 738 739 /* 740 * ddi_prop_op: The basic property operator for drivers. 741 * 742 * In ddi_prop_op, the type of valuep is interpreted based on prop_op: 743 * 744 * prop_op valuep 745 * ------ ------ 746 * 747 * PROP_LEN <unused> 748 * 749 * PROP_LEN_AND_VAL_BUF Pointer to callers buffer 750 * 751 * PROP_LEN_AND_VAL_ALLOC Address of callers pointer (will be set to 752 * address of allocated buffer, if successful) 753 */ 754 755 int 756 ddi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 757 char *name, caddr_t valuep, int *lengthp); 758 759 /* ddi_prop_op_size: for drivers that implement size in bytes */ 760 int 761 ddi_prop_op_size(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 762 int mod_flags, char *name, caddr_t valuep, int *lengthp, 763 uint64_t size64); 764 765 /* ddi_prop_op_size_blksize: like ddi_prop_op_size, in blksize blocks */ 766 int 767 ddi_prop_op_size_blksize(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, uint_t blksize); 770 771 /* ddi_prop_op_nblocks: for drivers that implement size in DEV_BSIZE blocks */ 772 int 773 ddi_prop_op_nblocks(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 nblocks64); 776 777 /* ddi_prop_op_nblocks_blksize: like ddi_prop_op_nblocks, in blksize blocks */ 778 int 779 ddi_prop_op_nblocks_blksize(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, uint_t blksize); 782 783 /* 784 * Variable length props... 785 */ 786 787 /* 788 * ddi_getlongprop: Get variable length property len+val into a buffer 789 * allocated by property provider via kmem_alloc. Requester 790 * is responsible for freeing returned property via kmem_free. 791 * 792 * Arguments: 793 * 794 * dev: Input: dev_t of property. 795 * dip: Input: dev_info_t pointer of child. 796 * flags: Input: Possible flag modifiers are: 797 * DDI_PROP_DONTPASS: Don't pass to parent if prop not found. 798 * DDI_PROP_CANSLEEP: Memory allocation may sleep. 799 * name: Input: name of property. 800 * valuep: Output: Addr of callers buffer pointer. 801 * lengthp:Output: *lengthp will contain prop length on exit. 802 * 803 * Possible Returns: 804 * 805 * DDI_PROP_SUCCESS: Prop found and returned. 806 * DDI_PROP_NOT_FOUND: Prop not found 807 * DDI_PROP_UNDEFINED: Prop explicitly undefined. 808 * DDI_PROP_NO_MEMORY: Prop found, but unable to alloc mem. 809 */ 810 811 int 812 ddi_getlongprop(dev_t dev, dev_info_t *dip, int flags, 813 char *name, caddr_t valuep, int *lengthp); 814 815 /* 816 * 817 * ddi_getlongprop_buf: Get long prop into pre-allocated callers 818 * buffer. (no memory allocation by provider). 819 * 820 * dev: Input: dev_t of property. 821 * dip: Input: dev_info_t pointer of child. 822 * flags: Input: DDI_PROP_DONTPASS or NULL 823 * name: Input: name of property 824 * valuep: Input: ptr to callers buffer. 825 * lengthp:I/O: ptr to length of callers buffer on entry, 826 * actual length of property on exit. 827 * 828 * Possible returns: 829 * 830 * DDI_PROP_SUCCESS Prop found and returned 831 * DDI_PROP_NOT_FOUND Prop not found 832 * DDI_PROP_UNDEFINED Prop explicitly undefined. 833 * DDI_PROP_BUF_TOO_SMALL Prop found, callers buf too small, 834 * no value returned, but actual prop 835 * length returned in *lengthp 836 * 837 */ 838 839 int 840 ddi_getlongprop_buf(dev_t dev, dev_info_t *dip, int flags, 841 char *name, caddr_t valuep, int *lengthp); 842 843 /* 844 * Integer/boolean sized props. 845 * 846 * Call is value only... returns found boolean or int sized prop value or 847 * defvalue if prop not found or is wrong length or is explicitly undefined. 848 * Only flag is DDI_PROP_DONTPASS... 849 * 850 * By convention, this interface returns boolean (0) sized properties 851 * as value (int)1. 852 */ 853 854 int 855 ddi_getprop(dev_t dev, dev_info_t *dip, int flags, char *name, int defvalue); 856 857 /* 858 * Get prop length interface: flags are 0 or DDI_PROP_DONTPASS 859 * if returns DDI_PROP_SUCCESS, length returned in *lengthp. 860 */ 861 862 int 863 ddi_getproplen(dev_t dev, dev_info_t *dip, int flags, char *name, int *lengthp); 864 865 866 /* 867 * Interface to create/modify a managed property on child's behalf... 868 * Only flag is DDI_PROP_CANSLEEP to allow memory allocation to sleep 869 * if no memory available for internal prop structure. Long property 870 * (non integer sized) value references are not copied. 871 * 872 * Define property with DDI_DEV_T_NONE dev_t for properties not associated 873 * with any particular dev_t. Use the same dev_t when modifying or undefining 874 * a property. 875 * 876 * No guarantee on order of property search, so don't mix the same 877 * property name with wildcard and non-wildcard dev_t's. 878 */ 879 880 /* 881 * ddi_prop_create: Define a managed property: 882 */ 883 884 int 885 ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 886 char *name, caddr_t value, int length); 887 888 /* 889 * ddi_prop_modify: Modify a managed property value 890 */ 891 892 int 893 ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 894 char *name, caddr_t value, int length); 895 896 /* 897 * ddi_prop_remove: Undefine a managed property: 898 */ 899 900 int 901 ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name); 902 903 /* 904 * ddi_prop_remove_all: Used before unloading a driver to remove 905 * all properties. (undefines all dev_t's props.) 906 * Also removes `undefined' prop defs. 907 */ 908 909 void 910 ddi_prop_remove_all(dev_info_t *dip); 911 912 913 /* 914 * ddi_prop_undefine: Explicitly undefine a property. Property 915 * searches which match this property return 916 * the error code DDI_PROP_UNDEFINED. 917 * 918 * Use ddi_prop_remove to negate effect of 919 * ddi_prop_undefine 920 */ 921 922 int 923 ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name); 924 925 926 /* 927 * The default ddi_bus_prop_op wrapper... 928 */ 929 930 int 931 ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 932 ddi_prop_op_t prop_op, int mod_flags, 933 char *name, caddr_t valuep, int *lengthp); 934 935 936 /* 937 * Routines to traverse the tree of dev_info nodes. 938 * The general idea of these functions is to provide 939 * various tree traversal utilities. For each node 940 * that the tree traversal function finds, a caller 941 * supplied function is called with arguments of 942 * the current node and a caller supplied argument. 943 * The caller supplied function should return one 944 * of the integer values defined below which will 945 * indicate to the tree traversal function whether 946 * the traversal should be continued, and if so, how, 947 * or whether the traversal should terminate. 948 */ 949 950 /* 951 * This general-purpose routine traverses the tree of dev_info nodes, 952 * starting from the given node, and calls the given function for each 953 * node that it finds with the current node and the pointer arg (which 954 * can point to a structure of information that the function 955 * needs) as arguments. 956 * 957 * It does the walk a layer at a time, not depth-first. 958 * 959 * The given function must return one of the values defined above. 960 * 961 */ 962 963 void 964 ddi_walk_devs(dev_info_t *, int (*)(dev_info_t *, void *), void *); 965 966 /* 967 * Routines to get at elements of the dev_info structure 968 */ 969 970 /* 971 * ddi_node_name gets the device's 'name' from the device node. 972 * 973 * ddi_binding_name gets the string the OS used to bind the node to a driver, 974 * in certain cases, the binding name may be different from the node name, 975 * if the node name does not name a specific device driver. 976 * 977 * ddi_get_name is a synonym for ddi_binding_name(). 978 */ 979 char * 980 ddi_get_name(dev_info_t *dip); 981 982 char * 983 ddi_binding_name(dev_info_t *dip); 984 985 const char * 986 ddi_driver_name(dev_info_t *dip); 987 988 major_t 989 ddi_driver_major(dev_info_t *dip); 990 991 major_t 992 ddi_compatible_driver_major(dev_info_t *dip, char **formp); 993 994 char * 995 ddi_node_name(dev_info_t *dip); 996 997 int 998 ddi_get_nodeid(dev_info_t *dip); 999 1000 int 1001 ddi_get_instance(dev_info_t *dip); 1002 1003 struct dev_ops * 1004 ddi_get_driver(dev_info_t *dip); 1005 1006 void 1007 ddi_set_driver(dev_info_t *dip, struct dev_ops *devo); 1008 1009 void 1010 ddi_set_driver_private(dev_info_t *dip, void *data); 1011 1012 void * 1013 ddi_get_driver_private(dev_info_t *dip); 1014 1015 /* 1016 * ddi_dev_is_needed tells system that a device is about to use a 1017 * component. Returns when component is ready. 1018 */ 1019 int 1020 ddi_dev_is_needed(dev_info_t *dip, int cmpt, int level); 1021 1022 /* 1023 * check if DDI_SUSPEND may result in power being removed from a device. 1024 */ 1025 int 1026 ddi_removing_power(dev_info_t *dip); 1027 1028 /* 1029 * (Obsolete) power entry point 1030 */ 1031 int 1032 ddi_power(dev_info_t *dip, int cmpt, int level); 1033 1034 /* 1035 * ddi_get_parent requires that the branch of the tree with the 1036 * node be held (ddi_hold_installed_driver) or that the devinfo tree 1037 * lock be held 1038 */ 1039 dev_info_t * 1040 ddi_get_parent(dev_info_t *dip); 1041 1042 /* 1043 * ddi_get_child and ddi_get_next_sibling require that the devinfo 1044 * tree lock be held 1045 */ 1046 dev_info_t * 1047 ddi_get_child(dev_info_t *dip); 1048 1049 dev_info_t * 1050 ddi_get_next_sibling(dev_info_t *dip); 1051 1052 dev_info_t * 1053 ddi_get_next(dev_info_t *dip); 1054 1055 void 1056 ddi_set_next(dev_info_t *dip, dev_info_t *nextdip); 1057 1058 /* 1059 * dev_info manipulation functions 1060 */ 1061 1062 /* 1063 * Add and remove child devices. These are part of the system framework. 1064 * 1065 * ddi_add_child creates a dev_info structure with the passed name, 1066 * nodeid and instance arguments and makes it a child of pdip. Devices 1067 * that are known directly by the hardware have real nodeids; devices 1068 * that are software constructs use the defined DEVI_PSEUDO_NODEID 1069 * for the node id. 1070 * 1071 * ddi_remove_node removes the node from the tree. This fails if this 1072 * child has children. Parent and driver private data should already 1073 * be released (freed) prior to calling this function. If flag is 1074 * non-zero, the child is removed from it's linked list of instances. 1075 */ 1076 dev_info_t * 1077 ddi_add_child(dev_info_t *pdip, char *name, uint_t nodeid, uint_t instance); 1078 1079 int 1080 ddi_remove_child(dev_info_t *dip, int flag); 1081 1082 /* 1083 * Given the major number for a driver, make sure that dev_info nodes 1084 * are created form the driver's hwconf file, the driver for the named 1085 * device is loaded and attached, as well as any drivers for parent devices. 1086 * Return a pointer to the driver's dev_ops struct with the dev_ops held. 1087 * Note - Callers must release the dev_ops with ddi_rele_driver. 1088 * 1089 * When a driver is held, the branch of the devinfo tree from any of the 1090 * drivers devinfos to the root node are automatically held. This only 1091 * applies to tree traversals up (and back down) the tree following the 1092 * parent pointers. 1093 * 1094 * Use of this interface is discouraged, it may be removed in a future release. 1095 */ 1096 struct dev_ops * 1097 ddi_hold_installed_driver(major_t major); 1098 1099 void 1100 ddi_rele_driver(major_t major); 1101 1102 /* 1103 * Attach and hold the specified instance of a driver. The flags argument 1104 * should be zero. 1105 */ 1106 dev_info_t * 1107 ddi_hold_devi_by_instance(major_t major, int instance, int flags); 1108 1109 void 1110 ddi_release_devi(dev_info_t *); 1111 1112 /* 1113 * Associate a streams queue with a devinfo node 1114 */ 1115 void 1116 ddi_assoc_queue_with_devi(queue_t *, dev_info_t *); 1117 1118 /* 1119 * Given the identifier string passed, make sure that dev_info nodes 1120 * are created form the driver's hwconf file, the driver for the named 1121 * device is loaded and attached, as well as any drivers for parent devices. 1122 * 1123 * Note that the driver is not held and is subject to being removed the instant 1124 * this call completes. You probably really want ddi_hold_installed_driver. 1125 */ 1126 int 1127 ddi_install_driver(char *idstring); 1128 1129 /* 1130 * Routines that return specific nodes 1131 */ 1132 1133 dev_info_t * 1134 ddi_root_node(void); 1135 1136 /* 1137 * Given a name and an instance number, find and return the 1138 * dev_info from the current state of the device tree. 1139 * 1140 * If instance number is -1, return the first named instance. 1141 * 1142 * If attached is 1, exclude all nodes that are < DS_ATTACHED 1143 * 1144 * Requires that the devinfo tree be locked. 1145 * If attached is 1, the driver must be held. 1146 */ 1147 dev_info_t * 1148 ddi_find_devinfo(char *name, int instance, int attached); 1149 1150 /* 1151 * Synchronization of I/O with respect to various 1152 * caches and system write buffers. 1153 * 1154 * Done at varying points during an I/O transfer (including at the 1155 * removal of an I/O mapping). 1156 * 1157 * Due to the support of systems with write buffers which may 1158 * not be able to be turned off, this function *must* used at 1159 * any point in which data consistency might be required. 1160 * 1161 * Generally this means that if a memory object has multiple mappings 1162 * (both for I/O, as described by the handle, and the IU, via, e.g. 1163 * a call to ddi_dma_kvaddrp), and one mapping may have been 1164 * used to modify the memory object, this function must be called 1165 * to ensure that the modification of the memory object is 1166 * complete, as well as possibly to inform other mappings of 1167 * the object that any cached references to the object are 1168 * now stale (and flush or invalidate these stale cache references 1169 * as necessary). 1170 * 1171 * The function ddi_dma_sync() provides the general interface with 1172 * respect to this capability. Generally, ddi_dma_free() (below) may 1173 * be used in preference to ddi_dma_sync() as ddi_dma_free() calls 1174 * ddi_dma_sync(). 1175 * 1176 * Returns 0 if all caches that exist and are specified by cache_flags 1177 * are successfully operated on, else -1. 1178 * 1179 * The argument offset specifies an offset into the mapping of the mapped 1180 * object in which to perform the synchronization. It will be silently 1181 * truncated to the granularity of underlying cache line sizes as 1182 * appropriate. 1183 * 1184 * The argument len specifies a length starting from offset in which to 1185 * perform the synchronization. A value of (uint_t) -1 means that the length 1186 * proceeds from offset to the end of the mapping. The length argument 1187 * will silently rounded up to the granularity of underlying cache line 1188 * sizes as appropriate. 1189 * 1190 * The argument flags specifies what to synchronize (the device's view of 1191 * the object or the cpu's view of the object). 1192 * 1193 * Inquiring minds want to know when ddi_dma_sync should be used: 1194 * 1195 * + When an object is mapped for dma, assume that an 1196 * implicit ddi_dma_sync() is done for you. 1197 * 1198 * + When an object is unmapped (ddi_dma_free()), assume 1199 * that an implicit ddi_dma_sync() is done for you. 1200 * 1201 * + At any time between the two times above that the 1202 * memory object may have been modified by either 1203 * the DMA device or a processor and you wish that 1204 * the change be noticed by the master that didn't 1205 * do the modifying. 1206 * 1207 * Clearly, only the third case above requires the use of ddi_dma_sync. 1208 * 1209 * Inquiring minds also want to know which flag to use: 1210 * 1211 * + If you *modify* with a cpu the object, you use 1212 * ddi_dma_sync(...DDI_DMA_SYNC_FORDEV) (you are making sure 1213 * that the DMA device sees the changes you made). 1214 * 1215 * + If you are checking, with the processor, an area 1216 * of the object that the DMA device *may* have modified, 1217 * you use ddi_dma_sync(....DDI_DMA_SYNC_FORCPU) (you are 1218 * making sure that the processor(s) will see the changes 1219 * that the DMA device may have made). 1220 */ 1221 1222 int 1223 ddi_dma_sync(ddi_dma_handle_t handle, off_t offset, size_t len, uint_t flags); 1224 1225 /* 1226 * Return the allowable DMA burst size for the object mapped by handle. 1227 * The burst sizes will returned in an integer that encodes power 1228 * of two burst sizes that are allowed in bit encoded format. For 1229 * example, a transfer that could allow 1, 2, 4, 8 and 32 byte bursts 1230 * would be encoded as 0x2f. A transfer that could be allowed as solely 1231 * a halfword (2 byte) transfers would be returned as 0x2. 1232 */ 1233 1234 int 1235 ddi_dma_burstsizes(ddi_dma_handle_t handle); 1236 1237 /* 1238 * Merge DMA attributes 1239 */ 1240 1241 void 1242 ddi_dma_attr_merge(ddi_dma_attr_t *attr, ddi_dma_attr_t *mod); 1243 1244 /* 1245 * Allocate a DMA handle 1246 */ 1247 1248 int 1249 ddi_dma_alloc_handle(dev_info_t *dip, ddi_dma_attr_t *attr, 1250 int (*waitfp)(caddr_t), caddr_t arg, 1251 ddi_dma_handle_t *handlep); 1252 1253 /* 1254 * Free DMA handle 1255 */ 1256 1257 void 1258 ddi_dma_free_handle(ddi_dma_handle_t *handlep); 1259 1260 /* 1261 * Allocate memory for DMA transfers 1262 */ 1263 1264 int 1265 ddi_dma_mem_alloc(ddi_dma_handle_t handle, size_t length, 1266 ddi_device_acc_attr_t *accattrp, uint_t xfermodes, 1267 int (*waitfp)(caddr_t), caddr_t arg, caddr_t *kaddrp, 1268 size_t *real_length, ddi_acc_handle_t *handlep); 1269 1270 /* 1271 * Free DMA memory 1272 */ 1273 1274 void 1275 ddi_dma_mem_free(ddi_acc_handle_t *hp); 1276 1277 /* 1278 * bind address to a DMA handle 1279 */ 1280 1281 int 1282 ddi_dma_addr_bind_handle(ddi_dma_handle_t handle, struct as *as, 1283 caddr_t addr, size_t len, uint_t flags, 1284 int (*waitfp)(caddr_t), caddr_t arg, 1285 ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1286 1287 /* 1288 * bind buffer to DMA handle 1289 */ 1290 1291 int 1292 ddi_dma_buf_bind_handle(ddi_dma_handle_t handle, struct buf *bp, 1293 uint_t flags, int (*waitfp)(caddr_t), caddr_t arg, 1294 ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1295 1296 /* 1297 * unbind mapping object to handle 1298 */ 1299 1300 int 1301 ddi_dma_unbind_handle(ddi_dma_handle_t handle); 1302 1303 /* 1304 * get next DMA cookie 1305 */ 1306 1307 void 1308 ddi_dma_nextcookie(ddi_dma_handle_t handle, ddi_dma_cookie_t *cookiep); 1309 1310 /* 1311 * get number of DMA windows 1312 */ 1313 1314 int 1315 ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp); 1316 1317 /* 1318 * get specific DMA window 1319 */ 1320 1321 int 1322 ddi_dma_getwin(ddi_dma_handle_t handle, uint_t win, off_t *offp, 1323 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1324 1325 /* 1326 * activate 64 bit SBus support 1327 */ 1328 1329 int 1330 ddi_dma_set_sbus64(ddi_dma_handle_t handle, ulong_t burstsizes); 1331 1332 /* 1333 * Miscellaneous functions 1334 */ 1335 1336 /* 1337 * ddi_report_dev: Report a successful attach. 1338 */ 1339 1340 void 1341 ddi_report_dev(dev_info_t *dev); 1342 1343 /* 1344 * ddi_dev_regsize 1345 * 1346 * If the device has h/w register(s), report 1347 * the size, in bytes, of the specified one into *resultp. 1348 * 1349 * Returns DDI_FAILURE if there are not registers, 1350 * or the specified register doesn't exist. 1351 */ 1352 1353 int 1354 ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *resultp); 1355 1356 /* 1357 * ddi_dev_nregs 1358 * 1359 * If the device has h/w register(s), report 1360 * how many of them that there are into resultp. 1361 * Return DDI_FAILURE if the device has no registers. 1362 */ 1363 1364 int 1365 ddi_dev_nregs(dev_info_t *dev, int *resultp); 1366 1367 /* 1368 * ddi_dev_is_sid 1369 * 1370 * If the device is self-identifying, i.e., 1371 * has already been probed by a smart PROM 1372 * (and thus registers are known to be valid) 1373 * return DDI_SUCCESS, else DDI_FAILURE. 1374 */ 1375 1376 1377 int 1378 ddi_dev_is_sid(dev_info_t *dev); 1379 1380 /* 1381 * ddi_slaveonly 1382 * 1383 * If the device is on a bus that precludes 1384 * the device from being either a dma master or 1385 * a dma slave, return DDI_SUCCESS. 1386 */ 1387 1388 int 1389 ddi_slaveonly(dev_info_t *); 1390 1391 1392 /* 1393 * ddi_dev_affinity 1394 * 1395 * Report, via DDI_SUCCESS, whether there exists 1396 * an 'affinity' between two dev_info_t's. An 1397 * affinity is defined to be either a parent-child, 1398 * or a sibling relationship such that the siblings 1399 * or in the same part of the bus they happen to be 1400 * on. 1401 */ 1402 1403 int 1404 ddi_dev_affinity(dev_info_t *deva, dev_info_t *devb); 1405 1406 1407 /* 1408 * ddi_set_callback 1409 * 1410 * Set a function/arg pair into the callback list identified 1411 * by listid. *listid must always initially start out as zero. 1412 */ 1413 1414 void 1415 ddi_set_callback(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid); 1416 1417 /* 1418 * ddi_run_callback 1419 * 1420 * Run the callback list identified by listid. 1421 */ 1422 1423 void 1424 ddi_run_callback(uintptr_t *listid); 1425 1426 /* 1427 * More miscellaneous 1428 */ 1429 1430 int 1431 nochpoll(dev_t dev, short events, int anyyet, short *reventsp, 1432 struct pollhead **phpp); 1433 1434 dev_info_t * 1435 nodevinfo(dev_t dev, int otyp); 1436 1437 int 1438 ddi_no_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result); 1439 1440 int 1441 ddi_getinfo_1to1(dev_info_t *dip, ddi_info_cmd_t infocmd, 1442 void *arg, void **result); 1443 1444 int 1445 ddifail(dev_info_t *devi, ddi_attach_cmd_t cmd); 1446 1447 int 1448 ddi_no_dma_map(dev_info_t *dip, dev_info_t *rdip, 1449 struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep); 1450 1451 int 1452 ddi_no_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 1453 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep); 1454 1455 int 1456 ddi_no_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 1457 ddi_dma_handle_t handle); 1458 1459 int 1460 ddi_no_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 1461 ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 1462 ddi_dma_cookie_t *cp, uint_t *ccountp); 1463 1464 int 1465 ddi_no_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 1466 ddi_dma_handle_t handle); 1467 1468 int 1469 ddi_no_dma_flush(dev_info_t *dip, dev_info_t *rdip, 1470 ddi_dma_handle_t handle, off_t off, size_t len, 1471 uint_t cache_flags); 1472 1473 int 1474 ddi_no_dma_win(dev_info_t *dip, dev_info_t *rdip, 1475 ddi_dma_handle_t handle, uint_t win, off_t *offp, 1476 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1477 1478 int 1479 ddi_no_dma_mctl(register dev_info_t *dip, dev_info_t *rdip, 1480 ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 1481 off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags); 1482 1483 void 1484 ddivoid(); 1485 1486 cred_t * 1487 ddi_get_cred(void); 1488 1489 clock_t 1490 ddi_get_lbolt(void); 1491 1492 time_t 1493 ddi_get_time(void); 1494 1495 pid_t 1496 ddi_get_pid(void); 1497 1498 kt_did_t 1499 ddi_get_kt_did(void); 1500 1501 boolean_t 1502 ddi_can_receive_sig(void); 1503 1504 void 1505 swab(void *src, void *dst, size_t nbytes); 1506 1507 int 1508 ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type, 1509 minor_t minor_num, char *node_type, int flag); 1510 1511 int 1512 ddi_create_priv_minor_node(dev_info_t *dip, char *name, int spec_type, 1513 minor_t minor_num, char *node_type, int flag, 1514 const char *rdpriv, const char *wrpriv, mode_t priv_mode); 1515 1516 void 1517 ddi_remove_minor_node(dev_info_t *dip, char *name); 1518 1519 int 1520 ddi_in_panic(void); 1521 1522 int 1523 ddi_streams_driver(dev_info_t *dip); 1524 1525 /* 1526 * DDI wrappers for ffs and fls 1527 */ 1528 int 1529 ddi_ffs(long mask); 1530 1531 int 1532 ddi_fls(long mask); 1533 1534 /* 1535 * The next five routines comprise generic storage management utilities 1536 * for driver soft state structures. 1537 */ 1538 1539 /* 1540 * Allocate a set of pointers to 'n_items' objects of size 'size' 1541 * bytes. Each pointer is initialized to nil. 'n_items' is a hint i.e. 1542 * zero is allowed. 1543 */ 1544 int 1545 ddi_soft_state_init(void **state_p, size_t size, size_t n_items); 1546 1547 /* 1548 * Allocate a state structure of size 'size' to be associated 1549 * with item 'item'. 1550 */ 1551 int 1552 ddi_soft_state_zalloc(void *state, int item); 1553 1554 /* 1555 * Fetch a pointer to the allocated soft state structure 1556 * corresponding to 'item.' 1557 */ 1558 void * 1559 ddi_get_soft_state(void *state, int item); 1560 1561 /* 1562 * Free the state structure corresponding to 'item.' 1563 */ 1564 void 1565 ddi_soft_state_free(void *state, int item); 1566 1567 /* 1568 * Free the handle, and any associated soft state structures. 1569 */ 1570 void 1571 ddi_soft_state_fini(void **state_p); 1572 1573 /* 1574 * Set the addr field of the name in dip to name 1575 */ 1576 void 1577 ddi_set_name_addr(dev_info_t *dip, char *name); 1578 1579 /* 1580 * Get the address part of the name. 1581 */ 1582 char * 1583 ddi_get_name_addr(dev_info_t *dip); 1584 1585 void 1586 ddi_set_parent_data(dev_info_t *dip, void *pd); 1587 1588 void * 1589 ddi_get_parent_data(dev_info_t *dip); 1590 1591 int 1592 ddi_initchild(dev_info_t *parent, dev_info_t *proto); 1593 1594 int 1595 ddi_uninitchild(dev_info_t *dip); 1596 1597 major_t 1598 ddi_name_to_major(char *name); 1599 1600 char * 1601 ddi_major_to_name(major_t major); 1602 1603 char * 1604 ddi_deviname(dev_info_t *dip, char *name); 1605 1606 char * 1607 ddi_pathname(dev_info_t *dip, char *path); 1608 1609 int 1610 ddi_dev_pathname(dev_t devt, int spec_type, char *name); 1611 1612 dev_t 1613 ddi_pathname_to_dev_t(char *pathname); 1614 1615 /* 1616 * High resolution system timer functions. 1617 * 1618 * These functions are already in the kernel (see sys/time.h). 1619 * The ddi supports the notion of a hrtime_t type and the 1620 * functions gethrtime, hrtadd, hrtsub and hrtcmp. 1621 */ 1622 1623 1624 /* 1625 * Nexus wrapper functions 1626 * 1627 * These functions are for entries in a bus nexus driver's bus_ops 1628 * structure for when the driver doesn't have such a function and 1629 * doesn't wish to prohibit such a function from existing. They 1630 * may also be called to start passing a request up the dev_info 1631 * tree. 1632 */ 1633 1634 /* 1635 * bus_ctl wrapper 1636 */ 1637 1638 int 1639 ddi_ctlops(dev_info_t *d, dev_info_t *r, ddi_ctl_enum_t o, void *a, void *v); 1640 1641 /* 1642 * bus_dma_map wrapper 1643 */ 1644 1645 int 1646 ddi_dma_map(dev_info_t *dip, dev_info_t *rdip, 1647 struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep); 1648 1649 int 1650 ddi_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 1651 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep); 1652 1653 int 1654 ddi_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 1655 ddi_dma_handle_t handle); 1656 1657 int 1658 ddi_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 1659 ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 1660 ddi_dma_cookie_t *cp, uint_t *ccountp); 1661 1662 int 1663 ddi_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 1664 ddi_dma_handle_t handle); 1665 1666 int 1667 ddi_dma_flush(dev_info_t *dip, dev_info_t *rdip, 1668 ddi_dma_handle_t handle, off_t off, size_t len, 1669 uint_t cache_flags); 1670 1671 int 1672 ddi_dma_win(dev_info_t *dip, dev_info_t *rdip, 1673 ddi_dma_handle_t handle, uint_t win, off_t *offp, 1674 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1675 1676 /* 1677 * bus_dma_ctl wrapper 1678 */ 1679 1680 int 1681 ddi_dma_mctl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle, 1682 enum ddi_dma_ctlops request, off_t *offp, size_t *lenp, 1683 caddr_t *objp, uint_t flags); 1684 1685 /* 1686 * dvma support for networking drivers 1687 */ 1688 1689 unsigned long 1690 dvma_pagesize(dev_info_t *dip); 1691 1692 int 1693 dvma_reserve(dev_info_t *dip, ddi_dma_lim_t *limp, uint_t pages, 1694 ddi_dma_handle_t *handlep); 1695 1696 void 1697 dvma_release(ddi_dma_handle_t h); 1698 1699 void 1700 dvma_kaddr_load(ddi_dma_handle_t h, caddr_t a, uint_t len, uint_t index, 1701 ddi_dma_cookie_t *cp); 1702 1703 void 1704 dvma_unload(ddi_dma_handle_t h, uint_t objindex, uint_t type); 1705 1706 void 1707 dvma_sync(ddi_dma_handle_t h, uint_t objindex, uint_t type); 1708 1709 /* 1710 * Layered driver support 1711 */ 1712 1713 extern int ddi_copyin(const void *, void *, size_t, int); 1714 extern int ddi_copyout(const void *, void *, size_t, int); 1715 1716 /* 1717 * Send signals to processes 1718 */ 1719 extern void *proc_ref(void); 1720 extern void proc_unref(void *pref); 1721 extern int proc_signal(void *pref, int sig); 1722 1723 /* I/O port access routines */ 1724 extern uint8_t inb(int port); 1725 extern uint16_t inw(int port); 1726 extern uint32_t inl(int port); 1727 extern void outb(int port, uint8_t value); 1728 extern void outw(int port, uint16_t value); 1729 extern void outl(int port, uint32_t value); 1730 1731 /* 1732 * Console bell routines 1733 */ 1734 extern void ddi_ring_console_bell(clock_t duration); 1735 extern void ddi_set_console_bell(void (*bellfunc)(clock_t duration)); 1736 1737 /* 1738 * Fault-related functions 1739 */ 1740 extern int ddi_check_acc_handle(ddi_acc_handle_t); 1741 extern int ddi_check_dma_handle(ddi_dma_handle_t); 1742 extern void ddi_dev_report_fault(dev_info_t *, ddi_fault_impact_t, 1743 ddi_fault_location_t, const char *); 1744 extern ddi_devstate_t ddi_get_devstate(dev_info_t *); 1745 1746 /* 1747 * Miscellaneous redefines 1748 */ 1749 #define uiophysio physio 1750 1751 /* 1752 * utilities - "reg" mapping and all common portable data access functions 1753 */ 1754 1755 /* 1756 * error code from ddi_regs_map_setup 1757 */ 1758 1759 #define DDI_REGS_ACC_CONFLICT (-10) 1760 1761 /* 1762 * Device address advance flags 1763 */ 1764 1765 #define DDI_DEV_NO_AUTOINCR 0x0000 1766 #define DDI_DEV_AUTOINCR 0x0001 1767 1768 int 1769 ddi_regs_map_setup(dev_info_t *dip, uint_t rnumber, caddr_t *addrp, 1770 offset_t offset, offset_t len, ddi_device_acc_attr_t *accattrp, 1771 ddi_acc_handle_t *handle); 1772 1773 void 1774 ddi_regs_map_free(ddi_acc_handle_t *handle); 1775 1776 /* 1777 * these are the prototypes for the common portable data access functions 1778 */ 1779 1780 uint8_t 1781 ddi_get8(ddi_acc_handle_t handle, uint8_t *addr); 1782 1783 uint16_t 1784 ddi_get16(ddi_acc_handle_t handle, uint16_t *addr); 1785 1786 uint32_t 1787 ddi_get32(ddi_acc_handle_t handle, uint32_t *addr); 1788 1789 uint64_t 1790 ddi_get64(ddi_acc_handle_t handle, uint64_t *addr); 1791 1792 void 1793 ddi_rep_get8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr, 1794 size_t repcount, uint_t flags); 1795 1796 void 1797 ddi_rep_get16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr, 1798 size_t repcount, uint_t flags); 1799 1800 void 1801 ddi_rep_get32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr, 1802 size_t repcount, uint_t flags); 1803 1804 void 1805 ddi_rep_get64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr, 1806 size_t repcount, uint_t flags); 1807 1808 void 1809 ddi_put8(ddi_acc_handle_t handle, uint8_t *addr, uint8_t value); 1810 1811 void 1812 ddi_put16(ddi_acc_handle_t handle, uint16_t *addr, uint16_t value); 1813 1814 void 1815 ddi_put32(ddi_acc_handle_t handle, uint32_t *addr, uint32_t value); 1816 1817 void 1818 ddi_put64(ddi_acc_handle_t handle, uint64_t *addr, uint64_t value); 1819 1820 void 1821 ddi_rep_put8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr, 1822 size_t repcount, uint_t flags); 1823 void 1824 ddi_rep_put16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr, 1825 size_t repcount, uint_t flags); 1826 void 1827 ddi_rep_put32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr, 1828 size_t repcount, uint_t flags); 1829 1830 void 1831 ddi_rep_put64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr, 1832 size_t repcount, uint_t flags); 1833 1834 /* 1835 * these are special device handling functions 1836 */ 1837 int 1838 ddi_device_zero(ddi_acc_handle_t handle, caddr_t dev_addr, 1839 size_t bytecount, ssize_t dev_advcnt, uint_t dev_datasz); 1840 1841 int 1842 ddi_device_copy( 1843 ddi_acc_handle_t src_handle, caddr_t src_addr, ssize_t src_advcnt, 1844 ddi_acc_handle_t dest_handle, caddr_t dest_addr, ssize_t dest_advcnt, 1845 size_t bytecount, uint_t dev_datasz); 1846 1847 /* 1848 * these are software byte swapping functions 1849 */ 1850 uint16_t 1851 ddi_swap16(uint16_t value); 1852 1853 uint32_t 1854 ddi_swap32(uint32_t value); 1855 1856 uint64_t 1857 ddi_swap64(uint64_t value); 1858 1859 /* 1860 * these are the prototypes for PCI local bus functions 1861 */ 1862 /* 1863 * PCI power management capabilities reporting in addition to those 1864 * provided by the PCI Power Management Specification. 1865 */ 1866 #define PCI_PM_IDLESPEED 0x1 /* clock for idle dev - cap */ 1867 #define PCI_PM_IDLESPEED_ANY (void *)-1 /* any clock for idle dev */ 1868 #define PCI_PM_IDLESPEED_NONE (void *)-2 /* regular clock for idle dev */ 1869 1870 int 1871 pci_config_setup(dev_info_t *dip, ddi_acc_handle_t *handle); 1872 1873 void 1874 pci_config_teardown(ddi_acc_handle_t *handle); 1875 1876 uint8_t 1877 pci_config_get8(ddi_acc_handle_t handle, off_t offset); 1878 1879 uint16_t 1880 pci_config_get16(ddi_acc_handle_t handle, off_t offset); 1881 1882 uint32_t 1883 pci_config_get32(ddi_acc_handle_t handle, off_t offset); 1884 1885 uint64_t 1886 pci_config_get64(ddi_acc_handle_t handle, off_t offset); 1887 1888 void 1889 pci_config_put8(ddi_acc_handle_t handle, off_t offset, uint8_t value); 1890 1891 void 1892 pci_config_put16(ddi_acc_handle_t handle, off_t offset, uint16_t value); 1893 1894 void 1895 pci_config_put32(ddi_acc_handle_t handle, off_t offset, uint32_t value); 1896 1897 void 1898 pci_config_put64(ddi_acc_handle_t handle, off_t offset, uint64_t value); 1899 1900 int 1901 pci_report_pmcap(dev_info_t *dip, int cap, void *arg); 1902 1903 int 1904 pci_restore_config_regs(dev_info_t *dip); 1905 1906 int 1907 pci_save_config_regs(dev_info_t *dip); 1908 1909 void 1910 pci_ereport_setup(dev_info_t *dip); 1911 1912 void 1913 pci_ereport_teardown(dev_info_t *dip); 1914 1915 void 1916 pci_ereport_post(dev_info_t *dip, ddi_fm_error_t *derr, uint16_t *status); 1917 1918 #if defined(__i386) || defined(__amd64) 1919 int 1920 pci_peekpoke_check(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, void *, 1921 int (*handler)(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, 1922 void *), kmutex_t *, kmutex_t *, 1923 void (*scan)(dev_info_t *, ddi_fm_error_t *)); 1924 #endif 1925 1926 void 1927 pci_target_enqueue(uint64_t, char *, char *, uint64_t); 1928 1929 void 1930 pci_targetq_init(void); 1931 1932 int 1933 pci_post_suspend(dev_info_t *dip); 1934 1935 int 1936 pci_pre_resume(dev_info_t *dip); 1937 1938 /* 1939 * the prototype for the C Language Type Model inquiry. 1940 */ 1941 model_t ddi_mmap_get_model(void); 1942 model_t ddi_model_convert_from(model_t); 1943 1944 /* 1945 * these are the prototypes for device id functions. 1946 */ 1947 int 1948 ddi_devid_valid(ddi_devid_t devid); 1949 1950 int 1951 ddi_devid_register(dev_info_t *dip, ddi_devid_t devid); 1952 1953 void 1954 ddi_devid_unregister(dev_info_t *dip); 1955 1956 int 1957 ddi_devid_init(dev_info_t *dip, ushort_t devid_type, ushort_t nbytes, 1958 void *id, ddi_devid_t *ret_devid); 1959 1960 int 1961 ddi_devid_get(dev_info_t *dip, ddi_devid_t *ret_devid); 1962 1963 size_t 1964 ddi_devid_sizeof(ddi_devid_t devid); 1965 1966 void 1967 ddi_devid_free(ddi_devid_t devid); 1968 1969 int 1970 ddi_devid_compare(ddi_devid_t id1, ddi_devid_t id2); 1971 1972 int 1973 ddi_devid_scsi_encode(int version, char *driver_name, 1974 uchar_t *inq, size_t inq_len, uchar_t *inq80, size_t inq80_len, 1975 uchar_t *inq83, size_t inq83_len, ddi_devid_t *ret_devid); 1976 1977 char 1978 *ddi_devid_to_guid(ddi_devid_t devid); 1979 1980 void 1981 ddi_devid_free_guid(char *guid); 1982 1983 int 1984 ddi_devid_str_to_wwn(const char *string, uint64_t *wwn); 1985 1986 int 1987 ddi_lyr_get_devid(dev_t dev, ddi_devid_t *ret_devid); 1988 1989 int 1990 ddi_lyr_get_minor_name(dev_t dev, int spec_type, char **minor_name); 1991 1992 int 1993 ddi_lyr_devid_to_devlist(ddi_devid_t devid, char *minor_name, int *retndevs, 1994 dev_t **retdevs); 1995 1996 void 1997 ddi_lyr_free_devlist(dev_t *devlist, int ndevs); 1998 1999 char * 2000 ddi_devid_str_encode(ddi_devid_t devid, char *minor_name); 2001 2002 int 2003 ddi_devid_str_decode(char *devidstr, ddi_devid_t *devidp, char **minor_namep); 2004 2005 void 2006 ddi_devid_str_free(char *devidstr); 2007 2008 int 2009 ddi_devid_str_compare(char *id1_str, char *id2_str); 2010 2011 /* 2012 * Event to post to when a devinfo node is removed. 2013 */ 2014 #define DDI_DEVI_REMOVE_EVENT "DDI:DEVI_REMOVE" 2015 #define DDI_DEVI_INSERT_EVENT "DDI:DEVI_INSERT" 2016 #define DDI_DEVI_BUS_RESET_EVENT "DDI:DEVI_BUS_RESET" 2017 #define DDI_DEVI_DEVICE_RESET_EVENT "DDI:DEVI_DEVICE_RESET" 2018 2019 /* 2020 * Invoke bus nexus driver's implementation of the 2021 * (*bus_remove_eventcall)() interface to remove a registered 2022 * callback handler for "event". 2023 */ 2024 int 2025 ddi_remove_event_handler(ddi_callback_id_t id); 2026 2027 /* 2028 * Invoke bus nexus driver's implementation of the 2029 * (*bus_add_eventcall)() interface to register a callback handler 2030 * for "event". 2031 */ 2032 int 2033 ddi_add_event_handler(dev_info_t *dip, ddi_eventcookie_t event, 2034 void (*handler)(dev_info_t *, ddi_eventcookie_t, void *, void *), 2035 void *arg, ddi_callback_id_t *id); 2036 2037 /* 2038 * Return a handle for event "name" by calling up the device tree 2039 * hierarchy via (*bus_get_eventcookie)() interface until claimed 2040 * by a bus nexus or top of dev_info tree is reached. 2041 */ 2042 int 2043 ddi_get_eventcookie(dev_info_t *dip, char *name, 2044 ddi_eventcookie_t *event_cookiep); 2045 2046 /* 2047 * log a system event 2048 */ 2049 int 2050 ddi_log_sysevent(dev_info_t *dip, char *vendor, char *class_name, 2051 char *subclass_name, nvlist_t *attr_list, sysevent_id_t *eidp, 2052 int sleep_flag); 2053 2054 /* 2055 * ddi_log_sysevent() vendors 2056 */ 2057 #define DDI_VENDOR_SUNW "SUNW" 2058 2059 /* 2060 * Opaque task queue handle. 2061 */ 2062 typedef struct ddi_taskq ddi_taskq_t; 2063 2064 /* 2065 * Use default system priority. 2066 */ 2067 #define TASKQ_DEFAULTPRI -1 2068 2069 /* 2070 * Create a task queue 2071 */ 2072 ddi_taskq_t *ddi_taskq_create(dev_info_t *dip, const char *name, 2073 int nthreads, pri_t pri, uint_t cflags); 2074 2075 /* 2076 * destroy a task queue 2077 */ 2078 void ddi_taskq_destroy(ddi_taskq_t *tq); 2079 2080 /* 2081 * Dispatch a task to a task queue 2082 */ 2083 int ddi_taskq_dispatch(ddi_taskq_t *tq, void (* func)(void *), 2084 void *arg, uint_t dflags); 2085 2086 /* 2087 * Wait for all previously scheduled tasks to complete. 2088 */ 2089 void ddi_taskq_wait(ddi_taskq_t *tq); 2090 2091 /* 2092 * Suspend all task execution. 2093 */ 2094 void ddi_taskq_suspend(ddi_taskq_t *tq); 2095 2096 /* 2097 * Resume task execution. 2098 */ 2099 void ddi_taskq_resume(ddi_taskq_t *tq); 2100 2101 /* 2102 * Is task queue suspended? 2103 */ 2104 boolean_t ddi_taskq_suspended(ddi_taskq_t *tq); 2105 2106 /* 2107 * Parse an interface name of the form <alphanumeric>##<numeric> where 2108 * <numeric> is maximal. 2109 */ 2110 int ddi_parse(const char *, char *, uint_t *); 2111 2112 /* 2113 * DDI interrupt priority level 2114 */ 2115 #define DDI_IPL_0 (0) /* kernel context */ 2116 #define DDI_IPL_1 (1) /* interrupt priority level 1 */ 2117 #define DDI_IPL_2 (2) /* interrupt priority level 2 */ 2118 #define DDI_IPL_3 (3) /* interrupt priority level 3 */ 2119 #define DDI_IPL_4 (4) /* interrupt priority level 4 */ 2120 #define DDI_IPL_5 (5) /* interrupt priority level 5 */ 2121 #define DDI_IPL_6 (6) /* interrupt priority level 6 */ 2122 #define DDI_IPL_7 (7) /* interrupt priority level 7 */ 2123 #define DDI_IPL_8 (8) /* interrupt priority level 8 */ 2124 #define DDI_IPL_9 (9) /* interrupt priority level 9 */ 2125 #define DDI_IPL_10 (10) /* interrupt priority level 10 */ 2126 2127 /* 2128 * DDI periodic timeout interface 2129 */ 2130 ddi_periodic_t ddi_periodic_add(void (*)(void *), void *, hrtime_t, int); 2131 void ddi_periodic_delete(ddi_periodic_t); 2132 #endif /* _KERNEL */ 2133 2134 #ifdef __cplusplus 2135 } 2136 #endif 2137 2138 #endif /* _SYS_SUNDDI_H */ 2139