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 (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2012 Garrett D'Amore <garrett@damore.org>. All rights reserved. 25 * Copyright (c) 2012 by Delphix. All rights reserved. 26 * Copyright 2016 Nexenta Systems, Inc. All rights reserved. 27 */ 28 29 #ifndef _SYS_SUNDDI_H 30 #define _SYS_SUNDDI_H 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 #define DDI_EALREADY (-7) /* operation already in progress */ 81 82 /* 83 * General-purpose DDI error return value definitions 84 */ 85 #define DDI_ENOMEM 1 /* memory not available */ 86 #define DDI_EBUSY 2 /* busy */ 87 #define DDI_ETRANSPORT 3 /* transport down */ 88 #define DDI_ECONTEXT 4 /* context error */ 89 90 91 /* 92 * General DDI sleep/nosleep allocation flags 93 */ 94 #define DDI_SLEEP 0 95 #define DDI_NOSLEEP 1 96 97 /* 98 * The following special nodeid values are reserved for use when creating 99 * nodes ONLY. They specify the attributes of the DDI_NC_PSEUDO class node 100 * being created: 101 * 102 * o DEVI_PSEUDO_NODEID specifics a node without persistence. 103 * o DEVI_SID_NODEID specifies a node with persistence. 104 * o DEVI_SID_HIDDEN_NODEID specifies a hidden node with persistence. 105 * 106 * A node with the 'hidden' attribute will not show up in devinfo snapshots 107 * or in /devices file system. 108 * 109 * A node with the 'persistent' attribute will not be automatically removed by 110 * the framework in the current implementation - driver.conf nodes are without 111 * persistence. 112 * 113 * The actual nodeid value may be assigned by the framework and may be 114 * different than these special values. Drivers may not make assumptions 115 * about the nodeid value that is actually assigned to the node. 116 */ 117 118 #define DEVI_PSEUDO_NODEID ((int)-1) 119 #define DEVI_SID_NODEID ((int)-2) 120 #define DEVI_SID_HIDDEN_NODEID ((int)-3) 121 #define DEVI_SID_HP_NODEID ((int)-4) 122 #define DEVI_SID_HP_HIDDEN_NODEID ((int)-5) 123 124 #define DEVI_PSEUDO_NEXNAME "pseudo" 125 #define DEVI_ISA_NEXNAME "isa" 126 #define DEVI_EISA_NEXNAME "eisa" 127 128 /* 129 * ddi_create_minor_node flags 130 */ 131 #define CLONE_DEV 1 /* device is a clone device */ 132 #define PRIVONLY_DEV 0x10 /* policy-based permissions only */ 133 134 /* 135 * Historical values used for the flag field in ddi_create_minor_node. 136 * Future use of flag bits should avoid these fields to keep binary 137 * compatibility 138 * #define GLOBAL_DEV 0x2 139 * #define NODEBOUND_DEV 0x4 140 * #define NODESPECIFIC_DEV 0x6 141 * #define ENUMERATED_DEV 0x8 142 */ 143 144 /* 145 * Device type defines which are used by the 'node_type' element of the 146 * ddi_minor_data structure 147 */ 148 #define DDI_NT_SERIAL "ddi_serial" /* Serial port */ 149 #define DDI_NT_SERIAL_MB "ddi_serial:mb" /* the 'built-in' serial */ 150 /* ports (the old ttya, b */ 151 /* (,c ,d)) */ 152 #define DDI_NT_SERIAL_DO "ddi_serial:dialout" /* dialout ports */ 153 #define DDI_NT_SERIAL_MB_DO "ddi_serial:dialout,mb" /* dialout for onboard */ 154 /* ports */ 155 #define DDI_NT_SERIAL_LOMCON "ddi_serial:lomcon" /* LOMlite2 console port */ 156 157 /* 158 * *_CHAN disk type devices have channel numbers or target numbers. 159 * (i.e. ipi and scsi devices) 160 */ 161 #define DDI_NT_BLOCK "ddi_block" /* hard disks */ 162 /* 163 * The next define is for block type devices that can possible exist on 164 * a sub-bus like the scsi bus or the ipi channel. The 'disks' program 165 * will pick up on this and create logical names like c0t0d0s0 instead of 166 * c0d0s0 167 */ 168 #define DDI_NT_BLOCK_CHAN "ddi_block:channel" 169 #define DDI_NT_BLOCK_WWN "ddi_block:wwn" 170 #define DDI_NT_CD "ddi_block:cdrom" /* rom drives (cd-rom) */ 171 #define DDI_NT_CD_CHAN "ddi_block:cdrom:channel" /* rom drives (scsi type) */ 172 #define DDI_NT_FD "ddi_block:diskette" /* floppy disks */ 173 174 #define DDI_NT_ENCLOSURE "ddi_enclosure" 175 #define DDI_NT_SCSI_ENCLOSURE "ddi_enclosure:scsi" 176 177 #define DDI_NT_BLOCK_SAS "ddi_block:sas" 178 #define DDI_NT_BLOCK_BLKDEV "ddi_block:blkdev" 179 180 /* 181 * xVM virtual block devices 182 */ 183 #define DDI_NT_BLOCK_XVMD "ddi_block:xvmd" 184 #define DDI_NT_CD_XVMD "ddi_block:cdrom:xvmd" 185 186 187 #define DDI_NT_TAPE "ddi_byte:tape" /* tape drives */ 188 189 #define DDI_NT_NET "ddi_network" /* DLPI network devices */ 190 191 #define DDI_NT_NET_WIFI "ddi_network:wifi" /* wifi devices */ 192 193 #define DDI_NT_DISPLAY "ddi_display" /* display devices */ 194 195 #define DDI_NT_DISPLAY_DRM "ddi_display:drm" /* drm display devices */ 196 197 #define DDI_PSEUDO "ddi_pseudo" /* general pseudo devices */ 198 199 #define DDI_NT_AUDIO "ddi_audio" /* audio device */ 200 201 #define DDI_NT_MOUSE "ddi_mouse" /* mouse device */ 202 203 #define DDI_NT_KEYBOARD "ddi_keyboard" /* keyboard device */ 204 205 #define DDI_NT_PARALLEL "ddi_parallel" /* parallel port */ 206 207 #define DDI_NT_PRINTER "ddi_printer" /* printer device */ 208 209 #define DDI_NT_UGEN "ddi_generic:usb" /* USB generic drv */ 210 211 #define DDI_NT_SMP "ddi_sas_smp" /* smp devcies */ 212 213 #define DDI_NT_NEXUS "ddi_ctl:devctl" /* nexus drivers */ 214 215 #define DDI_NT_NVME_NEXUS "ddi_ctl:devctl:nvme" /* nexus drivers */ 216 217 #define DDI_NT_SCSI_NEXUS "ddi_ctl:devctl:scsi" /* nexus drivers */ 218 219 #define DDI_NT_SATA_NEXUS "ddi_ctl:devctl:sata" /* nexus drivers */ 220 221 #define DDI_NT_IB_NEXUS "ddi_ctl:devctl:ib" /* nexus drivers */ 222 223 #define DDI_NT_ATTACHMENT_POINT "ddi_ctl:attachment_point" /* attachment pt */ 224 225 #define DDI_NT_NVME_ATTACHMENT_POINT "ddi_ctl:attachment_point:nvme" 226 /* nvme attachment pt */ 227 228 #define DDI_NT_SCSI_ATTACHMENT_POINT "ddi_ctl:attachment_point:scsi" 229 /* scsi attachment pt */ 230 231 #define DDI_NT_SATA_ATTACHMENT_POINT "ddi_ctl:attachment_point:sata" 232 /* sata attachment pt */ 233 234 #define DDI_NT_SDCARD_ATTACHMENT_POINT "ddi_ctl:attachment_point:sdcard" 235 /* sdcard attachment pt */ 236 237 #define DDI_NT_PCI_ATTACHMENT_POINT "ddi_ctl:attachment_point:pci" 238 /* PCI attachment pt */ 239 #define DDI_NT_SBD_ATTACHMENT_POINT "ddi_ctl:attachment_point:sbd" 240 /* generic bd attachment pt */ 241 #define DDI_NT_FC_ATTACHMENT_POINT "ddi_ctl:attachment_point:fc" 242 /* FC attachment pt */ 243 #define DDI_NT_USB_ATTACHMENT_POINT "ddi_ctl:attachment_point:usb" 244 /* USB devices */ 245 #define DDI_NT_BLOCK_FABRIC "ddi_block:fabric" 246 /* Fabric Devices */ 247 #define DDI_NT_IB_ATTACHMENT_POINT "ddi_ctl:attachment_point:ib" 248 /* IB devices */ 249 250 #define DDI_NT_AV_ASYNC "ddi_av:async" /* asynchronous AV device */ 251 #define DDI_NT_AV_ISOCH "ddi_av:isoch" /* isochronous AV device */ 252 253 /* Device types used for agpgart driver related devices */ 254 #define DDI_NT_AGP_PSEUDO "ddi_agp:pseudo" /* agpgart pseudo device */ 255 #define DDI_NT_AGP_MASTER "ddi_agp:master" /* agp master device */ 256 #define DDI_NT_AGP_TARGET "ddi_agp:target" /* agp target device */ 257 #define DDI_NT_AGP_CPUGART "ddi_agp:cpugart" /* amd64 on-cpu gart device */ 258 259 #define DDI_NT_REGACC "ddi_tool_reg" /* tool register access */ 260 #define DDI_NT_INTRCTL "ddi_tool_intr" /* tool intr access */ 261 262 /* 263 * DDI event definitions 264 */ 265 #define EC_DEVFS "EC_devfs" /* Event class devfs */ 266 #define EC_DDI "EC_ddi" /* Event class ddi */ 267 268 /* Class devfs subclasses */ 269 #define ESC_DEVFS_MINOR_CREATE "ESC_devfs_minor_create" 270 #define ESC_DEVFS_MINOR_REMOVE "ESC_devfs_minor_remove" 271 #define ESC_DEVFS_DEVI_ADD "ESC_devfs_devi_add" 272 #define ESC_DEVFS_DEVI_REMOVE "ESC_devfs_devi_remove" 273 #define ESC_DEVFS_INSTANCE_MOD "ESC_devfs_instance_mod" 274 #define ESC_DEVFS_BRANCH_ADD "ESC_devfs_branch_add" 275 #define ESC_DEVFS_BRANCH_REMOVE "ESC_devfs_branch_remove" 276 #define ESC_DEVFS_START "ESC_devfs_start" 277 278 /* Class ddi subclasses */ 279 #define ESC_DDI_INITIATOR_REGISTER "ESC_ddi_initiator_register" 280 #define ESC_DDI_INITIATOR_UNREGISTER "ESC_ddi_initiator_unregister" 281 282 /* DDI/NDI event publisher */ 283 #define EP_DDI SUNW_KERN_PUB"ddi" 284 285 /* 286 * devfs event class attributes 287 * 288 * The following attributes are private to EC_DEVFS event data. 289 */ 290 #define DEVFS_DRIVER_NAME "di.driver" 291 #define DEVFS_INSTANCE "di.instance" 292 #define DEVFS_PATHNAME "di.path" 293 #define DEVFS_DEVI_CLASS "di.devi_class" 294 #define DEVFS_BRANCH_EVENT "di.branch_event" 295 #define DEVFS_MINOR_NAME "mi.name" 296 #define DEVFS_MINOR_NODETYPE "mi.nodetype" 297 #define DEVFS_MINOR_ISCLONE "mi.isclone" 298 #define DEVFS_MINOR_MAJNUM "mi.majorno" 299 #define DEVFS_MINOR_MINORNUM "mi.minorno" 300 301 /* 302 * ddi event class payload 303 * 304 * The following attributes are private to EC_DDI event data. 305 */ 306 #define DDI_DRIVER_NAME "ddi.driver" 307 #define DDI_DRIVER_MAJOR "ddi.major" 308 #define DDI_INSTANCE "ddi.instance" 309 #define DDI_PATHNAME "ddi.path" 310 #define DDI_CLASS "ddi.class" 311 312 /* 313 * Fault-related definitions 314 * 315 * The specific numeric values have been chosen to be ordered, but 316 * not consecutive, to allow for future interpolation if required. 317 */ 318 typedef enum { 319 DDI_SERVICE_LOST = -32, 320 DDI_SERVICE_DEGRADED = -16, 321 DDI_SERVICE_UNAFFECTED = 0, 322 DDI_SERVICE_RESTORED = 16 323 } ddi_fault_impact_t; 324 325 typedef enum { 326 DDI_DATAPATH_FAULT = -32, 327 DDI_DEVICE_FAULT = -16, 328 DDI_EXTERNAL_FAULT = 0 329 } ddi_fault_location_t; 330 331 typedef enum { 332 DDI_DEVSTATE_OFFLINE = -32, 333 DDI_DEVSTATE_DOWN = -16, 334 DDI_DEVSTATE_QUIESCED = 0, 335 DDI_DEVSTATE_DEGRADED = 16, 336 DDI_DEVSTATE_UP = 32 337 } ddi_devstate_t; 338 339 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 340 341 /* 342 * Common property definitions 343 */ 344 #define DDI_FORCEATTACH "ddi-forceattach" 345 #define DDI_NO_AUTODETACH "ddi-no-autodetach" 346 #define DDI_VHCI_CLASS "ddi-vhci-class" 347 #define DDI_NO_ROOT_SUPPORT "ddi-no-root-support" 348 #define DDI_OPEN_RETURNS_EINTR "ddi-open-returns-eintr" 349 #define DDI_DEVID_REGISTRANT "ddi-devid-registrant" 350 351 /* 352 * Values that the function supplied to the dev_info 353 * tree traversal functions defined below must return. 354 */ 355 356 /* 357 * Continue search, if appropriate. 358 */ 359 #define DDI_WALK_CONTINUE 0 360 361 /* 362 * Terminate current depth of traversal. That is, terminate 363 * the current traversal of children nodes, but continue 364 * traversing sibling nodes and their children (if any). 365 */ 366 367 #define DDI_WALK_PRUNECHILD -1 368 369 /* 370 * Terminate current width of traversal. That is, terminate 371 * the current traversal of sibling nodes, but continue with 372 * traversing children nodes and their siblings (if appropriate). 373 */ 374 375 #define DDI_WALK_PRUNESIB -2 376 377 /* 378 * Terminate the entire search. 379 */ 380 381 #define DDI_WALK_TERMINATE -3 382 383 /* 384 * Terminate the entire search because an error occurred in function 385 */ 386 #define DDI_WALK_ERROR -4 387 388 /* 389 * Drivers that are prepared to support full driver layering 390 * should create and export a null-valued property of the following 391 * name. 392 * 393 * Such drivers should be prepared to be called with FKLYR in 394 * the 'flag' argument of their open(9E), close(9E) routines, and 395 * with FKIOCTL in the 'mode' argument of their ioctl(9E) routines. 396 * 397 * See ioctl(9E) and ddi_copyin(9F) for details. 398 */ 399 #define DDI_KERNEL_IOCTL "ddi-kernel-ioctl" 400 401 /* 402 * Model definitions for ddi_mmap_get_model(9F) and ddi_model_convert_from(9F). 403 */ 404 #define DDI_MODEL_MASK DATAMODEL_MASK /* Note: 0x0FF00000 */ 405 #define DDI_MODEL_ILP32 DATAMODEL_ILP32 406 #define DDI_MODEL_LP64 DATAMODEL_LP64 407 #define DDI_MODEL_NATIVE DATAMODEL_NATIVE 408 #define DDI_MODEL_NONE DATAMODEL_NONE 409 410 /* if set to B_TRUE is DER_MODE is equivalent to DERE_PANIC */ 411 extern boolean_t ddi_err_panic; 412 413 /* 414 * Defines for ddi_err(). 415 */ 416 typedef enum { 417 DER_INVALID = 0, /* must be 0 */ 418 DER_CONT = 1, 419 DER_CONS, 420 DER_LOG, 421 DER_VERB, 422 DER_NOTE, 423 DER_WARN, 424 DER_PANIC, 425 DER_MODE, 426 DER_DEBUG 427 } ddi_err_t; 428 429 extern void ddi_err(ddi_err_t de, dev_info_t *rdip, const char *fmt, ...); 430 431 432 extern char *ddi_strdup(const char *str, int flag); 433 extern char *strdup(const char *str); 434 extern void strfree(char *str); 435 436 /* 437 * Functions and data references which really should be in <sys/ddi.h> 438 */ 439 440 extern int maxphys; 441 extern void minphys(struct buf *); 442 extern int physio(int (*)(struct buf *), struct buf *, dev_t, 443 int, void (*)(struct buf *), struct uio *); 444 extern void disksort(struct diskhd *, struct buf *); 445 446 extern size_t strlen(const char *) __PURE; 447 extern size_t strnlen(const char *, size_t) __PURE; 448 extern char *strcpy(char *, const char *); 449 extern char *strncpy(char *, const char *, size_t); 450 /* Need to be consistent with <string.h> C++ definition for strchr() */ 451 #if __cplusplus >= 199711L 452 extern const char *strchr(const char *, int); 453 #ifndef _STRCHR_INLINE 454 #define _STRCHR_INLINE 455 extern "C++" { strchr(char * __s,int __c)456 inline char *strchr(char *__s, int __c) { 457 return (char *)strchr((const char *)__s, __c); 458 } 459 } 460 #endif /* _STRCHR_INLINE */ 461 #else 462 extern char *strchr(const char *, int); 463 #endif /* __cplusplus >= 199711L */ 464 #define DDI_STRSAME(s1, s2) ((*(s1) == *(s2)) && (strcmp((s1), (s2)) == 0)) 465 extern int strcmp(const char *, const char *) __PURE; 466 extern int strncmp(const char *, const char *, size_t) __PURE; 467 extern char *strncat(char *, const char *, size_t); 468 extern size_t strlcat(char *, const char *, size_t); 469 extern size_t strlcpy(char *, const char *, size_t); 470 extern size_t strspn(const char *, const char *); 471 extern size_t strcspn(const char *, const char *); 472 extern char *strsep(char **, const char *); 473 extern int bcmp(const void *, const void *, size_t) __PURE; 474 extern int stoi(char **); 475 extern void numtos(ulong_t, char *); 476 extern void bcopy(const void *, void *, size_t); 477 extern void bzero(void *, size_t); 478 479 extern void *memcpy(void *, const void *, size_t); 480 extern void *memset(void *, int, size_t); 481 extern void *memmove(void *, const void *, size_t); 482 extern int memcmp(const void *, const void *, size_t) __PURE; 483 /* Need to be consistent with <string.h> C++ definition for memchr() */ 484 #if __cplusplus >= 199711L 485 extern const void *memchr(const void *, int, size_t); 486 #ifndef _MEMCHR_INLINE 487 #define _MEMCHR_INLINE 488 extern "C++" { memchr(void * __s,int __c,size_t __n)489 inline void *memchr(void * __s, int __c, size_t __n) { 490 return (void *)memchr((const void *)__s, __c, __n); 491 } 492 } 493 #endif /* _MEMCHR_INLINE */ 494 #else 495 extern void *memchr(const void *, int, size_t); 496 #endif /* __cplusplus >= 199711L */ 497 498 extern int ddi_strtol(const char *, char **, int, long *); 499 extern int ddi_strtoul(const char *, char **, int, unsigned long *); 500 extern int ddi_strtoll(const char *, char **, int, longlong_t *); 501 extern int ddi_strtoull(const char *, char **, int, u_longlong_t *); 502 503 /* 504 * kiconv functions and their macros. 505 */ 506 #define KICONV_IGNORE_NULL (0x0001) 507 #define KICONV_REPLACE_INVALID (0x0002) 508 509 extern kiconv_t kiconv_open(const char *, const char *); 510 extern size_t kiconv(kiconv_t, char **, size_t *, char **, size_t *, int *); 511 extern int kiconv_close(kiconv_t); 512 extern size_t kiconvstr(const char *, const char *, char *, size_t *, char *, 513 size_t *, int, int *); 514 515 #endif /* _KERNEL || _FAKE_KERNEL */ 516 #ifdef _KERNEL 517 518 /* 519 * ddi_map_regs 520 * 521 * Map in the register set given by rnumber. 522 * The register number determine which register 523 * set will be mapped if more than one exists. 524 * The parent driver gets the information 525 * from parent private data and sets up the 526 * appropriate mappings and returns the kernel 527 * virtual address of the register set in *kaddrp. 528 * The offset specifies an offset into the register 529 * space to start from and len indicates the size 530 * of the area to map. If len and offset are 0 then 531 * the entire space is mapped. It returns DDI_SUCCESS on 532 * success or DDI_FAILURE otherwise. 533 * 534 */ 535 int 536 ddi_map_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, 537 off_t offset, off_t len); 538 539 /* 540 * ddi_unmap_regs 541 * 542 * Undo mappings set up by ddi_map_regs. 543 * The register number determines which register 544 * set will be unmapped if more than one exists. 545 * This is provided for drivers preparing 546 * to detach themselves from the system to 547 * allow them to release allocated mappings. 548 * 549 * The kaddrp and len specify the area to be 550 * unmapped. *kaddrp was returned from ddi_map_regs 551 * and len should match what ddi_map_regs was called 552 * with. 553 */ 554 555 void 556 ddi_unmap_regs(dev_info_t *dip, uint_t rnumber, caddr_t *kaddrp, 557 off_t offset, off_t len); 558 559 int 560 ddi_map(dev_info_t *dp, ddi_map_req_t *mp, off_t offset, off_t len, 561 caddr_t *addrp); 562 563 int 564 ddi_apply_range(dev_info_t *dip, dev_info_t *rdip, struct regspec *rp); 565 566 /* 567 * ddi_rnumber_to_regspec: Not for use by leaf drivers. 568 */ 569 struct regspec * 570 ddi_rnumber_to_regspec(dev_info_t *dip, int rnumber); 571 572 int 573 ddi_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset, 574 off_t len, caddr_t *vaddrp); 575 576 int 577 nullbusmap(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, off_t offset, 578 off_t len, caddr_t *vaddrp); 579 580 int ddi_peek8(dev_info_t *dip, int8_t *addr, int8_t *val_p); 581 int ddi_peek16(dev_info_t *dip, int16_t *addr, int16_t *val_p); 582 int ddi_peek32(dev_info_t *dip, int32_t *addr, int32_t *val_p); 583 int ddi_peek64(dev_info_t *dip, int64_t *addr, int64_t *val_p); 584 585 int ddi_poke8(dev_info_t *dip, int8_t *addr, int8_t val); 586 int ddi_poke16(dev_info_t *dip, int16_t *addr, int16_t val); 587 int ddi_poke32(dev_info_t *dip, int32_t *addr, int32_t val); 588 int ddi_poke64(dev_info_t *dip, int64_t *addr, int64_t val); 589 590 /* 591 * Peek and poke to and from a uio structure in xfersize pieces, 592 * using the parent nexi. 593 */ 594 int ddi_peekpokeio(dev_info_t *devi, struct uio *uio, enum uio_rw rw, 595 caddr_t addr, size_t len, uint_t xfersize); 596 597 /* 598 * Pagesize conversions using the parent nexi 599 */ 600 unsigned long ddi_btop(dev_info_t *dip, unsigned long bytes); 601 unsigned long ddi_btopr(dev_info_t *dip, unsigned long bytes); 602 unsigned long ddi_ptob(dev_info_t *dip, unsigned long pages); 603 604 /* 605 * There are no more "block" interrupt functions, per se. 606 * All thread of control should be done with MP/MT lockings. 607 * 608 * However, there are certain times in which a driver needs 609 * absolutely a critical guaranteed non-preemptable time 610 * in which to execute a few instructions. 611 * 612 * The following pair of functions attempt to guarantee this, 613 * but they are dangerous to use. That is, use them with 614 * extreme care. They do not guarantee to stop other processors 615 * from executing, but they do guarantee that the caller 616 * of ddi_enter_critical will continue to run until the 617 * caller calls ddi_exit_critical. No intervening DDI functions 618 * may be called between an entry and an exit from a critical 619 * region. 620 * 621 * ddi_enter_critical returns an integer identifier which must 622 * be passed to ddi_exit_critical. 623 * 624 * Be very sparing in the use of these functions since it is 625 * likely that absolutely nothing else can occur in the system 626 * whilst in the critical region. 627 */ 628 629 unsigned int 630 ddi_enter_critical(void); 631 632 void 633 ddi_exit_critical(unsigned int); 634 635 /* 636 * devmap functions 637 */ 638 int 639 devmap_setup(dev_t dev, offset_t off, ddi_as_handle_t as, caddr_t *addrp, 640 size_t len, uint_t prot, uint_t maxprot, uint_t flags, struct cred *cred); 641 642 int 643 ddi_devmap_segmap(dev_t dev, off_t off, ddi_as_handle_t as, caddr_t *addrp, 644 off_t len, uint_t prot, uint_t maxprot, uint_t flags, struct cred *cred); 645 646 int 647 devmap_load(devmap_cookie_t dhp, offset_t offset, size_t len, uint_t type, 648 uint_t rw); 649 650 int 651 devmap_unload(devmap_cookie_t dhp, offset_t offset, size_t len); 652 653 int 654 devmap_devmem_setup(devmap_cookie_t dhp, dev_info_t *dip, 655 struct devmap_callback_ctl *callback_ops, 656 uint_t rnumber, offset_t roff, size_t len, uint_t maxprot, 657 uint_t flags, ddi_device_acc_attr_t *accattrp); 658 659 int 660 devmap_umem_setup(devmap_cookie_t dhp, dev_info_t *dip, 661 struct devmap_callback_ctl *callback_ops, 662 ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot, 663 uint_t flags, ddi_device_acc_attr_t *accattrp); 664 665 int 666 devmap_devmem_remap(devmap_cookie_t dhp, dev_info_t *dip, 667 uint_t rnumber, offset_t roff, size_t len, uint_t maxprot, 668 uint_t flags, ddi_device_acc_attr_t *accattrp); 669 670 int 671 devmap_umem_remap(devmap_cookie_t dhp, dev_info_t *dip, 672 ddi_umem_cookie_t cookie, offset_t off, size_t len, uint_t maxprot, 673 uint_t flags, ddi_device_acc_attr_t *accattrp); 674 675 void 676 devmap_set_ctx_timeout(devmap_cookie_t dhp, clock_t ticks); 677 678 int 679 devmap_default_access(devmap_cookie_t dhp, void *pvtp, offset_t off, 680 size_t len, uint_t type, uint_t rw); 681 682 int 683 devmap_do_ctxmgt(devmap_cookie_t dhp, void *pvtp, offset_t off, size_t len, 684 uint_t type, uint_t rw, int (*ctxmgt)(devmap_cookie_t, void *, offset_t, 685 size_t, uint_t, uint_t)); 686 687 688 void *ddi_umem_alloc(size_t size, int flag, ddi_umem_cookie_t *cookiep); 689 690 void ddi_umem_free(ddi_umem_cookie_t cookie); 691 692 /* 693 * Functions to lock user memory and do repeated I/O or do devmap_umem_setup 694 */ 695 int 696 ddi_umem_lock(caddr_t addr, size_t size, int flags, ddi_umem_cookie_t *cookie); 697 698 void 699 ddi_umem_unlock(ddi_umem_cookie_t cookie); 700 701 struct buf * 702 ddi_umem_iosetup(ddi_umem_cookie_t cookie, off_t off, size_t len, int direction, 703 dev_t dev, daddr_t blkno, int (*iodone)(struct buf *), int sleepflag); 704 705 /* 706 * Mapping functions 707 */ 708 int 709 ddi_segmap(dev_t dev, off_t offset, struct as *asp, caddr_t *addrp, off_t len, 710 uint_t prot, uint_t maxprot, uint_t flags, cred_t *credp); 711 712 int 713 ddi_segmap_setup(dev_t dev, off_t offset, struct as *as, caddr_t *addrp, 714 off_t len, uint_t prot, uint_t maxprot, uint_t flags, cred_t *cred, 715 ddi_device_acc_attr_t *accattrp, uint_t rnumber); 716 717 int 718 ddi_map_fault(dev_info_t *dip, struct hat *hat, struct seg *seg, caddr_t addr, 719 struct devpage *dp, pfn_t pfn, uint_t prot, uint_t lock); 720 721 int 722 ddi_device_mapping_check(dev_t dev, ddi_device_acc_attr_t *accattrp, 723 uint_t rnumber, uint_t *hat_flags); 724 725 /* 726 * Property functions: See also, ddipropdefs.h. 727 * In general, the underlying driver MUST be held 728 * to call it's property functions. 729 */ 730 731 /* 732 * Used to create, modify, and lookup integer properties 733 */ 734 int ddi_prop_get_int(dev_t match_dev, dev_info_t *dip, uint_t flags, 735 char *name, int defvalue); 736 int64_t ddi_prop_get_int64(dev_t match_dev, dev_info_t *dip, uint_t flags, 737 char *name, int64_t defvalue); 738 int ddi_prop_lookup_int_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 739 char *name, int **data, uint_t *nelements); 740 int ddi_prop_lookup_int64_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 741 char *name, int64_t **data, uint_t *nelements); 742 int ddi_prop_update_int(dev_t match_dev, dev_info_t *dip, 743 char *name, int data); 744 int ddi_prop_update_int64(dev_t match_dev, dev_info_t *dip, 745 char *name, int64_t data); 746 int ddi_prop_update_int_array(dev_t match_dev, dev_info_t *dip, 747 char *name, int *data, uint_t nelements); 748 int ddi_prop_update_int64_array(dev_t match_dev, dev_info_t *dip, 749 char *name, int64_t *data, uint_t nelements); 750 /* 751 * Used to create, modify, and lookup string properties 752 */ 753 int ddi_prop_lookup_string(dev_t match_dev, dev_info_t *dip, uint_t flags, 754 char *name, char **data); 755 int ddi_prop_lookup_string_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 756 char *name, char ***data, uint_t *nelements); 757 int ddi_prop_update_string(dev_t match_dev, dev_info_t *dip, 758 char *name, char *data); 759 int ddi_prop_update_string_array(dev_t match_dev, dev_info_t *dip, 760 char *name, char **data, uint_t nelements); 761 762 /* 763 * Used to create, modify, and lookup byte properties 764 */ 765 int ddi_prop_lookup_byte_array(dev_t match_dev, dev_info_t *dip, uint_t flags, 766 char *name, uchar_t **data, uint_t *nelements); 767 int ddi_prop_update_byte_array(dev_t match_dev, dev_info_t *dip, 768 char *name, uchar_t *data, uint_t nelements); 769 770 /* 771 * Used to verify the existence of a property or to see if a boolean 772 * property exists. 773 */ 774 int ddi_prop_exists(dev_t match_dev, dev_info_t *dip, uint_t flags, char *name); 775 776 /* 777 * Used to free the data returned by the above property routines. 778 */ 779 void ddi_prop_free(void *data); 780 781 /* 782 * nopropop: For internal use in `dummy' cb_prop_op functions only 783 */ 784 785 int 786 nopropop(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 787 char *name, caddr_t valuep, int *lengthp); 788 789 /* 790 * ddi_prop_op: The basic property operator for drivers. 791 * 792 * In ddi_prop_op, the type of valuep is interpreted based on prop_op: 793 * 794 * prop_op valuep 795 * ------ ------ 796 * 797 * PROP_LEN <unused> 798 * 799 * PROP_LEN_AND_VAL_BUF Pointer to callers buffer 800 * 801 * PROP_LEN_AND_VAL_ALLOC Address of callers pointer (will be set to 802 * address of allocated buffer, if successful) 803 */ 804 805 int 806 ddi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, int mod_flags, 807 char *name, caddr_t valuep, int *lengthp); 808 809 /* ddi_prop_op_size: for drivers that implement size in bytes */ 810 int 811 ddi_prop_op_size(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 812 int mod_flags, char *name, caddr_t valuep, int *lengthp, 813 uint64_t size64); 814 815 /* ddi_prop_op_size_blksize: like ddi_prop_op_size, in blksize blocks */ 816 int 817 ddi_prop_op_size_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 818 int mod_flags, char *name, caddr_t valuep, int *lengthp, 819 uint64_t size64, uint_t blksize); 820 821 /* ddi_prop_op_nblocks: for drivers that implement size in DEV_BSIZE blocks */ 822 int 823 ddi_prop_op_nblocks(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 824 int mod_flags, char *name, caddr_t valuep, int *lengthp, 825 uint64_t nblocks64); 826 827 /* ddi_prop_op_nblocks_blksize: like ddi_prop_op_nblocks, in blksize blocks */ 828 int 829 ddi_prop_op_nblocks_blksize(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op, 830 int mod_flags, char *name, caddr_t valuep, int *lengthp, 831 uint64_t nblocks64, uint_t blksize); 832 833 /* 834 * Variable length props... 835 */ 836 837 /* 838 * ddi_getlongprop: Get variable length property len+val into a buffer 839 * allocated by property provider via kmem_alloc. Requester 840 * is responsible for freeing returned property via kmem_free. 841 * 842 * Arguments: 843 * 844 * dev: Input: dev_t of property. 845 * dip: Input: dev_info_t pointer of child. 846 * flags: Input: Possible flag modifiers are: 847 * DDI_PROP_DONTPASS: Don't pass to parent if prop not found. 848 * DDI_PROP_CANSLEEP: Memory allocation may sleep. 849 * name: Input: name of property. 850 * valuep: Output: Addr of callers buffer pointer. 851 * lengthp:Output: *lengthp will contain prop length on exit. 852 * 853 * Possible Returns: 854 * 855 * DDI_PROP_SUCCESS: Prop found and returned. 856 * DDI_PROP_NOT_FOUND: Prop not found 857 * DDI_PROP_UNDEFINED: Prop explicitly undefined. 858 * DDI_PROP_NO_MEMORY: Prop found, but unable to alloc mem. 859 */ 860 861 int 862 ddi_getlongprop(dev_t dev, dev_info_t *dip, int flags, 863 char *name, caddr_t valuep, int *lengthp); 864 865 /* 866 * 867 * ddi_getlongprop_buf: Get long prop into pre-allocated callers 868 * buffer. (no memory allocation by provider). 869 * 870 * dev: Input: dev_t of property. 871 * dip: Input: dev_info_t pointer of child. 872 * flags: Input: DDI_PROP_DONTPASS or NULL 873 * name: Input: name of property 874 * valuep: Input: ptr to callers buffer. 875 * lengthp:I/O: ptr to length of callers buffer on entry, 876 * actual length of property on exit. 877 * 878 * Possible returns: 879 * 880 * DDI_PROP_SUCCESS Prop found and returned 881 * DDI_PROP_NOT_FOUND Prop not found 882 * DDI_PROP_UNDEFINED Prop explicitly undefined. 883 * DDI_PROP_BUF_TOO_SMALL Prop found, callers buf too small, 884 * no value returned, but actual prop 885 * length returned in *lengthp 886 * 887 */ 888 889 int 890 ddi_getlongprop_buf(dev_t dev, dev_info_t *dip, int flags, 891 char *name, caddr_t valuep, int *lengthp); 892 893 /* 894 * Integer/boolean sized props. 895 * 896 * Call is value only... returns found boolean or int sized prop value or 897 * defvalue if prop not found or is wrong length or is explicitly undefined. 898 * Only flag is DDI_PROP_DONTPASS... 899 * 900 * By convention, this interface returns boolean (0) sized properties 901 * as value (int)1. 902 */ 903 904 int 905 ddi_getprop(dev_t dev, dev_info_t *dip, int flags, char *name, int defvalue); 906 907 /* 908 * Get prop length interface: flags are 0 or DDI_PROP_DONTPASS 909 * if returns DDI_PROP_SUCCESS, length returned in *lengthp. 910 */ 911 912 int 913 ddi_getproplen(dev_t dev, dev_info_t *dip, int flags, char *name, int *lengthp); 914 915 916 /* 917 * Interface to create/modify a managed property on child's behalf... 918 * Only flag is DDI_PROP_CANSLEEP to allow memory allocation to sleep 919 * if no memory available for internal prop structure. Long property 920 * (non integer sized) value references are not copied. 921 * 922 * Define property with DDI_DEV_T_NONE dev_t for properties not associated 923 * with any particular dev_t. Use the same dev_t when modifying or undefining 924 * a property. 925 * 926 * No guarantee on order of property search, so don't mix the same 927 * property name with wildcard and non-wildcard dev_t's. 928 */ 929 930 /* 931 * ddi_prop_create: Define a managed property: 932 */ 933 934 int 935 ddi_prop_create(dev_t dev, dev_info_t *dip, int flag, 936 char *name, caddr_t value, int length); 937 938 /* 939 * ddi_prop_modify: Modify a managed property value 940 */ 941 942 int 943 ddi_prop_modify(dev_t dev, dev_info_t *dip, int flag, 944 char *name, caddr_t value, int length); 945 946 /* 947 * ddi_prop_remove: Undefine a managed property: 948 */ 949 950 int 951 ddi_prop_remove(dev_t dev, dev_info_t *dip, char *name); 952 953 /* 954 * ddi_prop_remove_all: Used before unloading a driver to remove 955 * all properties. (undefines all dev_t's props.) 956 * Also removes `undefined' prop defs. 957 */ 958 959 void 960 ddi_prop_remove_all(dev_info_t *dip); 961 962 963 /* 964 * ddi_prop_undefine: Explicitly undefine a property. Property 965 * searches which match this property return 966 * the error code DDI_PROP_UNDEFINED. 967 * 968 * Use ddi_prop_remove to negate effect of 969 * ddi_prop_undefine 970 */ 971 972 int 973 ddi_prop_undefine(dev_t dev, dev_info_t *dip, int flag, char *name); 974 975 976 /* 977 * ddi_prop_cache_invalidate 978 * Invalidate a property in the current cached 979 * devinfo snapshot - next cached snapshot will 980 * return the latest property value available. 981 */ 982 void 983 ddi_prop_cache_invalidate(dev_t dev, dev_info_t *dip, char *name, int flags); 984 985 /* 986 * The default ddi_bus_prop_op wrapper... 987 */ 988 989 int 990 ddi_bus_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip, 991 ddi_prop_op_t prop_op, int mod_flags, 992 char *name, caddr_t valuep, int *lengthp); 993 994 995 /* 996 * Routines to traverse the tree of dev_info nodes. 997 * The general idea of these functions is to provide 998 * various tree traversal utilities. For each node 999 * that the tree traversal function finds, a caller 1000 * supplied function is called with arguments of 1001 * the current node and a caller supplied argument. 1002 * The caller supplied function should return one 1003 * of the integer values defined below which will 1004 * indicate to the tree traversal function whether 1005 * the traversal should be continued, and if so, how, 1006 * or whether the traversal should terminate. 1007 */ 1008 1009 /* 1010 * This general-purpose routine traverses the tree of dev_info nodes, 1011 * starting from the given node, and calls the given function for each 1012 * node that it finds with the current node and the pointer arg (which 1013 * can point to a structure of information that the function 1014 * needs) as arguments. 1015 * 1016 * It does the walk a layer at a time, not depth-first. 1017 * 1018 * The given function must return one of the values defined above. 1019 * 1020 */ 1021 1022 void 1023 ddi_walk_devs(dev_info_t *, int (*)(dev_info_t *, void *), void *); 1024 1025 /* 1026 * Routines to get at elements of the dev_info structure 1027 */ 1028 1029 /* 1030 * ddi_node_name gets the device's 'name' from the device node. 1031 * 1032 * ddi_binding_name gets the string the OS used to bind the node to a driver, 1033 * in certain cases, the binding name may be different from the node name, 1034 * if the node name does not name a specific device driver. 1035 * 1036 * ddi_get_name is a synonym for ddi_binding_name(). 1037 */ 1038 char * 1039 ddi_get_name(dev_info_t *dip); 1040 1041 char * 1042 ddi_binding_name(dev_info_t *dip); 1043 1044 const char * 1045 ddi_driver_name(dev_info_t *dip); 1046 1047 major_t 1048 ddi_driver_major(dev_info_t *dip); 1049 1050 major_t 1051 ddi_compatible_driver_major(dev_info_t *dip, char **formp); 1052 1053 char * 1054 ddi_node_name(dev_info_t *dip); 1055 1056 int 1057 ddi_get_nodeid(dev_info_t *dip); 1058 1059 int 1060 ddi_get_instance(dev_info_t *dip); 1061 1062 struct dev_ops * 1063 ddi_get_driver(dev_info_t *dip); 1064 1065 void 1066 ddi_set_driver(dev_info_t *dip, struct dev_ops *devo); 1067 1068 void 1069 ddi_set_driver_private(dev_info_t *dip, void *data); 1070 1071 void * 1072 ddi_get_driver_private(dev_info_t *dip); 1073 1074 /* 1075 * ddi_dev_is_needed tells system that a device is about to use a 1076 * component. Returns when component is ready. 1077 */ 1078 int 1079 ddi_dev_is_needed(dev_info_t *dip, int cmpt, int level); 1080 1081 /* 1082 * check if DDI_SUSPEND may result in power being removed from a device. 1083 */ 1084 int 1085 ddi_removing_power(dev_info_t *dip); 1086 1087 /* 1088 * (Obsolete) power entry point 1089 */ 1090 int 1091 ddi_power(dev_info_t *dip, int cmpt, int level); 1092 1093 /* 1094 * ddi_get_parent requires that the branch of the tree with the 1095 * node be held (ddi_hold_installed_driver) or that the devinfo tree 1096 * lock be held 1097 */ 1098 dev_info_t * 1099 ddi_get_parent(dev_info_t *dip); 1100 1101 /* 1102 * ddi_get_child and ddi_get_next_sibling require that the devinfo 1103 * tree lock be held 1104 */ 1105 dev_info_t * 1106 ddi_get_child(dev_info_t *dip); 1107 1108 dev_info_t * 1109 ddi_get_next_sibling(dev_info_t *dip); 1110 1111 dev_info_t * 1112 ddi_get_next(dev_info_t *dip); 1113 1114 void 1115 ddi_set_next(dev_info_t *dip, dev_info_t *nextdip); 1116 1117 /* 1118 * dev_info manipulation functions 1119 */ 1120 1121 /* 1122 * Add and remove child devices. These are part of the system framework. 1123 * 1124 * ddi_add_child creates a dev_info structure with the passed name, 1125 * nodeid and instance arguments and makes it a child of pdip. Devices 1126 * that are known directly by the hardware have real nodeids; devices 1127 * that are software constructs use the defined DEVI_PSEUDO_NODEID 1128 * for the node id. 1129 * 1130 * ddi_remove_node removes the node from the tree. This fails if this 1131 * child has children. Parent and driver private data should already 1132 * be released (freed) prior to calling this function. If flag is 1133 * non-zero, the child is removed from it's linked list of instances. 1134 */ 1135 dev_info_t * 1136 ddi_add_child(dev_info_t *pdip, char *name, uint_t nodeid, uint_t instance); 1137 1138 int 1139 ddi_remove_child(dev_info_t *dip, int flag); 1140 1141 /* 1142 * Given the major number for a driver, make sure that dev_info nodes 1143 * are created form the driver's hwconf file, the driver for the named 1144 * device is loaded and attached, as well as any drivers for parent devices. 1145 * Return a pointer to the driver's dev_ops struct with the dev_ops held. 1146 * Note - Callers must release the dev_ops with ddi_rele_driver. 1147 * 1148 * When a driver is held, the branch of the devinfo tree from any of the 1149 * drivers devinfos to the root node are automatically held. This only 1150 * applies to tree traversals up (and back down) the tree following the 1151 * parent pointers. 1152 * 1153 * Use of this interface is discouraged, it may be removed in a future release. 1154 */ 1155 struct dev_ops * 1156 ddi_hold_installed_driver(major_t major); 1157 1158 void 1159 ddi_rele_driver(major_t major); 1160 1161 /* 1162 * Attach and hold the specified instance of a driver. The flags argument 1163 * should be zero. 1164 */ 1165 dev_info_t * 1166 ddi_hold_devi_by_instance(major_t major, int instance, int flags); 1167 1168 void 1169 ddi_release_devi(dev_info_t *); 1170 1171 /* 1172 * Associate a streams queue with a devinfo node 1173 */ 1174 void 1175 ddi_assoc_queue_with_devi(queue_t *, dev_info_t *); 1176 1177 /* 1178 * Given the identifier string passed, make sure that dev_info nodes 1179 * are created form the driver's hwconf file, the driver for the named 1180 * device is loaded and attached, as well as any drivers for parent devices. 1181 * 1182 * Note that the driver is not held and is subject to being removed the instant 1183 * this call completes. You probably really want ddi_hold_installed_driver. 1184 */ 1185 int 1186 ddi_install_driver(char *idstring); 1187 1188 /* 1189 * Routines that return specific nodes 1190 */ 1191 1192 dev_info_t * 1193 ddi_root_node(void); 1194 1195 /* 1196 * Given a name and an instance number, find and return the 1197 * dev_info from the current state of the device tree. 1198 * 1199 * If instance number is -1, return the first named instance. 1200 * 1201 * If attached is 1, exclude all nodes that are < DS_ATTACHED 1202 * 1203 * Requires that the devinfo tree be locked. 1204 * If attached is 1, the driver must be held. 1205 */ 1206 dev_info_t * 1207 ddi_find_devinfo(char *name, int instance, int attached); 1208 1209 /* 1210 * Synchronization of I/O with respect to various 1211 * caches and system write buffers. 1212 * 1213 * Done at varying points during an I/O transfer (including at the 1214 * removal of an I/O mapping). 1215 * 1216 * Due to the support of systems with write buffers which may 1217 * not be able to be turned off, this function *must* used at 1218 * any point in which data consistency might be required. 1219 * 1220 * Generally this means that if a memory object has multiple mappings 1221 * (both for I/O, as described by the handle, and the IU, via, e.g. 1222 * a call to ddi_dma_kvaddrp), and one mapping may have been 1223 * used to modify the memory object, this function must be called 1224 * to ensure that the modification of the memory object is 1225 * complete, as well as possibly to inform other mappings of 1226 * the object that any cached references to the object are 1227 * now stale (and flush or invalidate these stale cache references 1228 * as necessary). 1229 * 1230 * The function ddi_dma_sync() provides the general interface with 1231 * respect to this capability. Generally, ddi_dma_free() (below) may 1232 * be used in preference to ddi_dma_sync() as ddi_dma_free() calls 1233 * ddi_dma_sync(). 1234 * 1235 * Returns 0 if all caches that exist and are specified by cache_flags 1236 * are successfully operated on, else -1. 1237 * 1238 * The argument offset specifies an offset into the mapping of the mapped 1239 * object in which to perform the synchronization. It will be silently 1240 * truncated to the granularity of underlying cache line sizes as 1241 * appropriate. 1242 * 1243 * The argument len specifies a length starting from offset in which to 1244 * perform the synchronization. A value of (uint_t) -1 means that the length 1245 * proceeds from offset to the end of the mapping. The length argument 1246 * will silently rounded up to the granularity of underlying cache line 1247 * sizes as appropriate. 1248 * 1249 * The argument flags specifies what to synchronize (the device's view of 1250 * the object or the cpu's view of the object). 1251 * 1252 * Inquiring minds want to know when ddi_dma_sync should be used: 1253 * 1254 * + When an object is mapped for dma, assume that an 1255 * implicit ddi_dma_sync() is done for you. 1256 * 1257 * + When an object is unmapped (ddi_dma_free()), assume 1258 * that an implicit ddi_dma_sync() is done for you. 1259 * 1260 * + At any time between the two times above that the 1261 * memory object may have been modified by either 1262 * the DMA device or a processor and you wish that 1263 * the change be noticed by the master that didn't 1264 * do the modifying. 1265 * 1266 * Clearly, only the third case above requires the use of ddi_dma_sync. 1267 * 1268 * Inquiring minds also want to know which flag to use: 1269 * 1270 * + If you *modify* with a cpu the object, you use 1271 * ddi_dma_sync(...DDI_DMA_SYNC_FORDEV) (you are making sure 1272 * that the DMA device sees the changes you made). 1273 * 1274 * + If you are checking, with the processor, an area 1275 * of the object that the DMA device *may* have modified, 1276 * you use ddi_dma_sync(....DDI_DMA_SYNC_FORCPU) (you are 1277 * making sure that the processor(s) will see the changes 1278 * that the DMA device may have made). 1279 */ 1280 1281 int 1282 ddi_dma_sync(ddi_dma_handle_t handle, off_t offset, size_t len, uint_t flags); 1283 1284 /* 1285 * Return the allowable DMA burst size for the object mapped by handle. 1286 * The burst sizes will returned in an integer that encodes power 1287 * of two burst sizes that are allowed in bit encoded format. For 1288 * example, a transfer that could allow 1, 2, 4, 8 and 32 byte bursts 1289 * would be encoded as 0x2f. A transfer that could be allowed as solely 1290 * a halfword (2 byte) transfers would be returned as 0x2. 1291 */ 1292 1293 int 1294 ddi_dma_burstsizes(ddi_dma_handle_t handle); 1295 1296 /* 1297 * Merge DMA attributes 1298 */ 1299 1300 void 1301 ddi_dma_attr_merge(ddi_dma_attr_t *attr, ddi_dma_attr_t *mod); 1302 1303 /* 1304 * Allocate a DMA handle 1305 */ 1306 1307 int 1308 ddi_dma_alloc_handle(dev_info_t *dip, ddi_dma_attr_t *attr, 1309 int (*waitfp)(caddr_t), caddr_t arg, 1310 ddi_dma_handle_t *handlep); 1311 1312 /* 1313 * Free DMA handle 1314 */ 1315 1316 void 1317 ddi_dma_free_handle(ddi_dma_handle_t *handlep); 1318 1319 /* 1320 * Allocate memory for DMA transfers 1321 */ 1322 1323 int 1324 ddi_dma_mem_alloc(ddi_dma_handle_t handle, size_t length, 1325 ddi_device_acc_attr_t *accattrp, uint_t xfermodes, 1326 int (*waitfp)(caddr_t), caddr_t arg, caddr_t *kaddrp, 1327 size_t *real_length, ddi_acc_handle_t *handlep); 1328 1329 /* 1330 * Free DMA memory 1331 */ 1332 1333 void 1334 ddi_dma_mem_free(ddi_acc_handle_t *hp); 1335 1336 /* 1337 * bind address to a DMA handle 1338 */ 1339 1340 int 1341 ddi_dma_addr_bind_handle(ddi_dma_handle_t handle, struct as *as, 1342 caddr_t addr, size_t len, uint_t flags, 1343 int (*waitfp)(caddr_t), caddr_t arg, 1344 ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1345 1346 /* 1347 * bind buffer to DMA handle 1348 */ 1349 1350 int 1351 ddi_dma_buf_bind_handle(ddi_dma_handle_t handle, struct buf *bp, 1352 uint_t flags, int (*waitfp)(caddr_t), caddr_t arg, 1353 ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1354 1355 /* 1356 * unbind mapping object to handle 1357 */ 1358 1359 int 1360 ddi_dma_unbind_handle(ddi_dma_handle_t handle); 1361 1362 /* 1363 * get next DMA cookie 1364 */ 1365 1366 void 1367 ddi_dma_nextcookie(ddi_dma_handle_t handle, ddi_dma_cookie_t *cookiep); 1368 1369 /* 1370 * get number of DMA windows 1371 */ 1372 1373 int 1374 ddi_dma_numwin(ddi_dma_handle_t handle, uint_t *nwinp); 1375 1376 /* 1377 * get specific DMA window 1378 */ 1379 1380 int 1381 ddi_dma_getwin(ddi_dma_handle_t handle, uint_t win, off_t *offp, 1382 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1383 1384 /* 1385 * activate 64 bit SBus support 1386 */ 1387 1388 int 1389 ddi_dma_set_sbus64(ddi_dma_handle_t handle, ulong_t burstsizes); 1390 1391 /* 1392 * Miscellaneous functions 1393 */ 1394 1395 /* 1396 * ddi_report_dev: Report a successful attach. 1397 */ 1398 1399 void 1400 ddi_report_dev(dev_info_t *dev); 1401 1402 /* 1403 * ddi_dev_regsize 1404 * 1405 * If the device has h/w register(s), report 1406 * the size, in bytes, of the specified one into *resultp. 1407 * 1408 * Returns DDI_FAILURE if there are not registers, 1409 * or the specified register doesn't exist. 1410 */ 1411 1412 int 1413 ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *resultp); 1414 1415 /* 1416 * ddi_dev_nregs 1417 * 1418 * If the device has h/w register(s), report 1419 * how many of them that there are into resultp. 1420 * Return DDI_FAILURE if the device has no registers. 1421 */ 1422 1423 int 1424 ddi_dev_nregs(dev_info_t *dev, int *resultp); 1425 1426 /* 1427 * ddi_dev_is_sid 1428 * 1429 * If the device is self-identifying, i.e., 1430 * has already been probed by a smart PROM 1431 * (and thus registers are known to be valid) 1432 * return DDI_SUCCESS, else DDI_FAILURE. 1433 */ 1434 1435 1436 int 1437 ddi_dev_is_sid(dev_info_t *dev); 1438 1439 /* 1440 * ddi_slaveonly 1441 * 1442 * If the device is on a bus that precludes 1443 * the device from being either a dma master or 1444 * a dma slave, return DDI_SUCCESS. 1445 */ 1446 1447 int 1448 ddi_slaveonly(dev_info_t *); 1449 1450 1451 /* 1452 * ddi_dev_affinity 1453 * 1454 * Report, via DDI_SUCCESS, whether there exists 1455 * an 'affinity' between two dev_info_t's. An 1456 * affinity is defined to be either a parent-child, 1457 * or a sibling relationship such that the siblings 1458 * or in the same part of the bus they happen to be 1459 * on. 1460 */ 1461 1462 int 1463 ddi_dev_affinity(dev_info_t *deva, dev_info_t *devb); 1464 1465 1466 /* 1467 * ddi_set_callback 1468 * 1469 * Set a function/arg pair into the callback list identified 1470 * by listid. *listid must always initially start out as zero. 1471 */ 1472 1473 void 1474 ddi_set_callback(int (*funcp)(caddr_t), caddr_t arg, uintptr_t *listid); 1475 1476 /* 1477 * ddi_run_callback 1478 * 1479 * Run the callback list identified by listid. 1480 */ 1481 1482 void 1483 ddi_run_callback(uintptr_t *listid); 1484 1485 /* 1486 * More miscellaneous 1487 */ 1488 1489 int 1490 nochpoll(dev_t dev, short events, int anyyet, short *reventsp, 1491 struct pollhead **phpp); 1492 1493 dev_info_t * 1494 nodevinfo(dev_t dev, int otyp); 1495 1496 int 1497 ddi_no_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result); 1498 1499 int 1500 ddi_getinfo_1to1(dev_info_t *dip, ddi_info_cmd_t infocmd, 1501 void *arg, void **result); 1502 1503 int 1504 ddifail(dev_info_t *devi, ddi_attach_cmd_t cmd); 1505 1506 int 1507 ddi_no_dma_map(dev_info_t *dip, dev_info_t *rdip, 1508 struct ddi_dma_req *dmareqp, ddi_dma_handle_t *handlep); 1509 1510 int 1511 ddi_no_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 1512 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep); 1513 1514 int 1515 ddi_no_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 1516 ddi_dma_handle_t handle); 1517 1518 int 1519 ddi_no_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 1520 ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 1521 ddi_dma_cookie_t *cp, uint_t *ccountp); 1522 1523 int 1524 ddi_no_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 1525 ddi_dma_handle_t handle); 1526 1527 int 1528 ddi_no_dma_flush(dev_info_t *dip, dev_info_t *rdip, 1529 ddi_dma_handle_t handle, off_t off, size_t len, 1530 uint_t cache_flags); 1531 1532 int 1533 ddi_no_dma_win(dev_info_t *dip, dev_info_t *rdip, 1534 ddi_dma_handle_t handle, uint_t win, off_t *offp, 1535 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1536 1537 int 1538 ddi_no_dma_mctl(register dev_info_t *dip, dev_info_t *rdip, 1539 ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 1540 off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags); 1541 1542 void 1543 ddivoid(); 1544 1545 cred_t * 1546 ddi_get_cred(void); 1547 1548 time_t 1549 ddi_get_time(void); 1550 1551 pid_t 1552 ddi_get_pid(void); 1553 1554 kt_did_t 1555 ddi_get_kt_did(void); 1556 1557 boolean_t 1558 ddi_can_receive_sig(void); 1559 1560 void 1561 swab(void *src, void *dst, size_t nbytes); 1562 1563 int 1564 ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type, 1565 minor_t minor_num, char *node_type, int flag); 1566 1567 int 1568 ddi_create_priv_minor_node(dev_info_t *dip, char *name, int spec_type, 1569 minor_t minor_num, char *node_type, int flag, 1570 const char *rdpriv, const char *wrpriv, mode_t priv_mode); 1571 1572 void 1573 ddi_remove_minor_node(dev_info_t *dip, char *name); 1574 1575 int 1576 ddi_in_panic(void); 1577 1578 int 1579 ddi_streams_driver(dev_info_t *dip); 1580 1581 /* 1582 * DDI wrappers for ffs and fls 1583 */ 1584 int 1585 ddi_ffs(long mask); 1586 1587 int 1588 ddi_fls(long mask); 1589 1590 /* 1591 * The ddi_soft_state* routines comprise generic storage management utilities 1592 * for driver soft state structures. Two types of soft_state indexes are 1593 * supported: 'integer index', and 'string index'. 1594 */ 1595 typedef struct __ddi_soft_state_bystr ddi_soft_state_bystr; 1596 1597 /* 1598 * Initialize a soft_state set, establishing the 'size' of soft state objects 1599 * in the set. 1600 * 1601 * For an 'integer indexed' soft_state set, the initial set will accommodate 1602 * 'n_items' objects - 'n_items' is a hint (i.e. zero is allowed), allocations 1603 * that exceed 'n_items' have additional overhead. 1604 * 1605 * For a 'string indexed' soft_state set, 'n_items' should be the typical 1606 * number of soft state objects in the set - 'n_items' is a hint, there may 1607 * be additional overhead if the hint is too small (and wasted memory if the 1608 * hint is too big). 1609 */ 1610 int 1611 ddi_soft_state_init(void **state_p, size_t size, size_t n_items); 1612 int 1613 ddi_soft_state_bystr_init(ddi_soft_state_bystr **state_p, 1614 size_t size, int n_items); 1615 1616 /* 1617 * Allocate a soft state object associated with either 'integer index' or 1618 * 'string index' from a soft_state set. 1619 */ 1620 int 1621 ddi_soft_state_zalloc(void *state, int item); 1622 int 1623 ddi_soft_state_bystr_zalloc(ddi_soft_state_bystr *state, const char *str); 1624 1625 /* 1626 * Get the pointer to the allocated soft state object associated with 1627 * either 'integer index' or 'string index'. 1628 */ 1629 void * 1630 ddi_get_soft_state(void *state, int item); 1631 void * 1632 ddi_soft_state_bystr_get(ddi_soft_state_bystr *state, const char *str); 1633 1634 /* 1635 * Free the soft state object associated with either 'integer index' 1636 * or 'string index'. 1637 */ 1638 void 1639 ddi_soft_state_free(void *state, int item); 1640 void 1641 ddi_soft_state_bystr_free(ddi_soft_state_bystr *state, const char *str); 1642 1643 /* 1644 * Free the soft state set and any associated soft state objects. 1645 */ 1646 void 1647 ddi_soft_state_fini(void **state_p); 1648 void 1649 ddi_soft_state_bystr_fini(ddi_soft_state_bystr **state_p); 1650 1651 /* 1652 * The ddi_strid_* routines provide string-to-index management utilities. 1653 */ 1654 typedef struct __ddi_strid ddi_strid; 1655 int 1656 ddi_strid_init(ddi_strid **strid_p, int n_items); 1657 id_t 1658 ddi_strid_alloc(ddi_strid *strid, char *str); 1659 id_t 1660 ddi_strid_str2id(ddi_strid *strid, char *str); 1661 char * 1662 ddi_strid_id2str(ddi_strid *strid, id_t id); 1663 void 1664 ddi_strid_free(ddi_strid *strid, id_t id); 1665 void 1666 ddi_strid_fini(ddi_strid **strid_p); 1667 1668 /* 1669 * Set the addr field of the name in dip to name 1670 */ 1671 void 1672 ddi_set_name_addr(dev_info_t *dip, char *name); 1673 1674 /* 1675 * Get the address part of the name. 1676 */ 1677 char * 1678 ddi_get_name_addr(dev_info_t *dip); 1679 1680 void 1681 ddi_set_parent_data(dev_info_t *dip, void *pd); 1682 1683 void * 1684 ddi_get_parent_data(dev_info_t *dip); 1685 1686 int 1687 ddi_initchild(dev_info_t *parent, dev_info_t *proto); 1688 1689 int 1690 ddi_uninitchild(dev_info_t *dip); 1691 1692 major_t 1693 ddi_name_to_major(char *name); 1694 1695 char * 1696 ddi_major_to_name(major_t major); 1697 1698 char * 1699 ddi_deviname(dev_info_t *dip, char *name); 1700 1701 char * 1702 ddi_pathname(dev_info_t *dip, char *path); 1703 1704 char * 1705 ddi_pathname_minor(struct ddi_minor_data *dmdp, char *path); 1706 1707 char * 1708 ddi_pathname_obp(dev_info_t *dip, char *path); 1709 1710 int 1711 ddi_pathname_obp_set(dev_info_t *dip, char *component); 1712 1713 int 1714 ddi_dev_pathname(dev_t devt, int spec_type, char *name); 1715 1716 dev_t 1717 ddi_pathname_to_dev_t(char *pathname); 1718 1719 /* 1720 * High resolution system timer functions. 1721 * 1722 * These functions are already in the kernel (see sys/time.h). 1723 * The ddi supports the notion of a hrtime_t type and the 1724 * functions gethrtime, hrtadd, hrtsub and hrtcmp. 1725 */ 1726 1727 1728 /* 1729 * Nexus wrapper functions 1730 * 1731 * These functions are for entries in a bus nexus driver's bus_ops 1732 * structure for when the driver doesn't have such a function and 1733 * doesn't wish to prohibit such a function from existing. They 1734 * may also be called to start passing a request up the dev_info 1735 * tree. 1736 */ 1737 1738 /* 1739 * bus_ctl wrapper 1740 */ 1741 1742 int 1743 ddi_ctlops(dev_info_t *d, dev_info_t *r, ddi_ctl_enum_t o, void *a, void *v); 1744 1745 /* 1746 * bus_dma_map wrapper 1747 */ 1748 1749 int 1750 ddi_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr, 1751 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep); 1752 1753 int 1754 ddi_dma_freehdl(dev_info_t *dip, dev_info_t *rdip, 1755 ddi_dma_handle_t handle); 1756 1757 int 1758 ddi_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip, 1759 ddi_dma_handle_t handle, struct ddi_dma_req *dmareq, 1760 ddi_dma_cookie_t *cp, uint_t *ccountp); 1761 1762 int 1763 ddi_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip, 1764 ddi_dma_handle_t handle); 1765 1766 int 1767 ddi_dma_flush(dev_info_t *dip, dev_info_t *rdip, 1768 ddi_dma_handle_t handle, off_t off, size_t len, 1769 uint_t cache_flags); 1770 1771 int 1772 ddi_dma_win(dev_info_t *dip, dev_info_t *rdip, 1773 ddi_dma_handle_t handle, uint_t win, off_t *offp, 1774 size_t *lenp, ddi_dma_cookie_t *cookiep, uint_t *ccountp); 1775 1776 /* 1777 * bus_dma_ctl wrapper 1778 */ 1779 1780 int 1781 ddi_dma_mctl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle, 1782 enum ddi_dma_ctlops request, off_t *offp, size_t *lenp, 1783 caddr_t *objp, uint_t flags); 1784 1785 /* 1786 * dvma support for networking drivers 1787 */ 1788 1789 unsigned long 1790 dvma_pagesize(dev_info_t *dip); 1791 1792 int 1793 dvma_reserve(dev_info_t *dip, ddi_dma_lim_t *limp, uint_t pages, 1794 ddi_dma_handle_t *handlep); 1795 1796 void 1797 dvma_release(ddi_dma_handle_t h); 1798 1799 void 1800 dvma_kaddr_load(ddi_dma_handle_t h, caddr_t a, uint_t len, uint_t index, 1801 ddi_dma_cookie_t *cp); 1802 1803 void 1804 dvma_unload(ddi_dma_handle_t h, uint_t objindex, uint_t type); 1805 1806 void 1807 dvma_sync(ddi_dma_handle_t h, uint_t objindex, uint_t type); 1808 1809 /* 1810 * Layered driver support 1811 */ 1812 1813 extern int ddi_copyin(const void *, void *, size_t, int); 1814 extern int ddi_copyout(const void *, void *, size_t, int); 1815 1816 /* 1817 * Send signals to processes 1818 */ 1819 extern void *proc_ref(void); 1820 extern void proc_unref(void *pref); 1821 extern int proc_signal(void *pref, int sig); 1822 1823 /* I/O port access routines */ 1824 extern uint8_t inb(int port); 1825 extern uint16_t inw(int port); 1826 extern uint32_t inl(int port); 1827 extern void outb(int port, uint8_t value); 1828 extern void outw(int port, uint16_t value); 1829 extern void outl(int port, uint32_t value); 1830 1831 /* 1832 * Console bell routines 1833 */ 1834 extern void ddi_ring_console_bell(clock_t duration); 1835 extern void ddi_set_console_bell(void (*bellfunc)(clock_t duration)); 1836 1837 /* 1838 * Fault-related functions 1839 */ 1840 extern int ddi_check_acc_handle(ddi_acc_handle_t); 1841 extern int ddi_check_dma_handle(ddi_dma_handle_t); 1842 extern void ddi_dev_report_fault(dev_info_t *, ddi_fault_impact_t, 1843 ddi_fault_location_t, const char *); 1844 extern ddi_devstate_t ddi_get_devstate(dev_info_t *); 1845 1846 /* 1847 * Miscellaneous redefines 1848 */ 1849 #define uiophysio physio 1850 1851 /* 1852 * utilities - "reg" mapping and all common portable data access functions 1853 */ 1854 1855 /* 1856 * error code from ddi_regs_map_setup 1857 */ 1858 1859 #define DDI_REGS_ACC_CONFLICT (-10) 1860 1861 /* 1862 * Device address advance flags 1863 */ 1864 1865 #define DDI_DEV_NO_AUTOINCR 0x0000 1866 #define DDI_DEV_AUTOINCR 0x0001 1867 1868 int 1869 ddi_regs_map_setup(dev_info_t *dip, uint_t rnumber, caddr_t *addrp, 1870 offset_t offset, offset_t len, ddi_device_acc_attr_t *accattrp, 1871 ddi_acc_handle_t *handle); 1872 1873 void 1874 ddi_regs_map_free(ddi_acc_handle_t *handle); 1875 1876 /* 1877 * these are the prototypes for the common portable data access functions 1878 */ 1879 1880 uint8_t 1881 ddi_get8(ddi_acc_handle_t handle, uint8_t *addr); 1882 1883 uint16_t 1884 ddi_get16(ddi_acc_handle_t handle, uint16_t *addr); 1885 1886 uint32_t 1887 ddi_get32(ddi_acc_handle_t handle, uint32_t *addr); 1888 1889 uint64_t 1890 ddi_get64(ddi_acc_handle_t handle, uint64_t *addr); 1891 1892 void 1893 ddi_rep_get8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr, 1894 size_t repcount, uint_t flags); 1895 1896 void 1897 ddi_rep_get16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr, 1898 size_t repcount, uint_t flags); 1899 1900 void 1901 ddi_rep_get32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr, 1902 size_t repcount, uint_t flags); 1903 1904 void 1905 ddi_rep_get64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr, 1906 size_t repcount, uint_t flags); 1907 1908 void 1909 ddi_put8(ddi_acc_handle_t handle, uint8_t *addr, uint8_t value); 1910 1911 void 1912 ddi_put16(ddi_acc_handle_t handle, uint16_t *addr, uint16_t value); 1913 1914 void 1915 ddi_put32(ddi_acc_handle_t handle, uint32_t *addr, uint32_t value); 1916 1917 void 1918 ddi_put64(ddi_acc_handle_t handle, uint64_t *addr, uint64_t value); 1919 1920 void 1921 ddi_rep_put8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr, 1922 size_t repcount, uint_t flags); 1923 void 1924 ddi_rep_put16(ddi_acc_handle_t handle, uint16_t *host_addr, uint16_t *dev_addr, 1925 size_t repcount, uint_t flags); 1926 void 1927 ddi_rep_put32(ddi_acc_handle_t handle, uint32_t *host_addr, uint32_t *dev_addr, 1928 size_t repcount, uint_t flags); 1929 1930 void 1931 ddi_rep_put64(ddi_acc_handle_t handle, uint64_t *host_addr, uint64_t *dev_addr, 1932 size_t repcount, uint_t flags); 1933 1934 /* 1935 * these are special device handling functions 1936 */ 1937 int 1938 ddi_device_zero(ddi_acc_handle_t handle, caddr_t dev_addr, 1939 size_t bytecount, ssize_t dev_advcnt, uint_t dev_datasz); 1940 1941 int 1942 ddi_device_copy( 1943 ddi_acc_handle_t src_handle, caddr_t src_addr, ssize_t src_advcnt, 1944 ddi_acc_handle_t dest_handle, caddr_t dest_addr, ssize_t dest_advcnt, 1945 size_t bytecount, uint_t dev_datasz); 1946 1947 /* 1948 * these are software byte swapping functions 1949 */ 1950 uint16_t 1951 ddi_swap16(uint16_t value); 1952 1953 uint32_t 1954 ddi_swap32(uint32_t value); 1955 1956 uint64_t 1957 ddi_swap64(uint64_t value); 1958 1959 /* 1960 * these are the prototypes for PCI local bus functions 1961 */ 1962 /* 1963 * PCI power management capabilities reporting in addition to those 1964 * provided by the PCI Power Management Specification. 1965 */ 1966 #define PCI_PM_IDLESPEED 0x1 /* clock for idle dev - cap */ 1967 #define PCI_PM_IDLESPEED_ANY (void *)-1 /* any clock for idle dev */ 1968 #define PCI_PM_IDLESPEED_NONE (void *)-2 /* regular clock for idle dev */ 1969 1970 int 1971 pci_config_setup(dev_info_t *dip, ddi_acc_handle_t *handle); 1972 1973 void 1974 pci_config_teardown(ddi_acc_handle_t *handle); 1975 1976 uint8_t 1977 pci_config_get8(ddi_acc_handle_t handle, off_t offset); 1978 1979 uint16_t 1980 pci_config_get16(ddi_acc_handle_t handle, off_t offset); 1981 1982 uint32_t 1983 pci_config_get32(ddi_acc_handle_t handle, off_t offset); 1984 1985 uint64_t 1986 pci_config_get64(ddi_acc_handle_t handle, off_t offset); 1987 1988 void 1989 pci_config_put8(ddi_acc_handle_t handle, off_t offset, uint8_t value); 1990 1991 void 1992 pci_config_put16(ddi_acc_handle_t handle, off_t offset, uint16_t value); 1993 1994 void 1995 pci_config_put32(ddi_acc_handle_t handle, off_t offset, uint32_t value); 1996 1997 void 1998 pci_config_put64(ddi_acc_handle_t handle, off_t offset, uint64_t value); 1999 2000 int 2001 pci_report_pmcap(dev_info_t *dip, int cap, void *arg); 2002 2003 int 2004 pci_restore_config_regs(dev_info_t *dip); 2005 2006 int 2007 pci_save_config_regs(dev_info_t *dip); 2008 2009 void 2010 pci_ereport_setup(dev_info_t *dip); 2011 2012 void 2013 pci_ereport_teardown(dev_info_t *dip); 2014 2015 void 2016 pci_ereport_post(dev_info_t *dip, ddi_fm_error_t *derr, uint16_t *status); 2017 2018 #if defined(__i386) || defined(__amd64) 2019 int 2020 pci_peekpoke_check(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, void *, 2021 int (*handler)(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, void *), 2022 kmutex_t *, kmutex_t *, void (*scan)(dev_info_t *, ddi_fm_error_t *)); 2023 #endif 2024 2025 void 2026 pci_target_enqueue(uint64_t, char *, char *, uint64_t); 2027 2028 void 2029 pci_targetq_init(void); 2030 2031 int 2032 pci_post_suspend(dev_info_t *dip); 2033 2034 int 2035 pci_pre_resume(dev_info_t *dip); 2036 2037 /* 2038 * the prototype for the C Language Type Model inquiry. 2039 */ 2040 model_t ddi_mmap_get_model(void); 2041 model_t ddi_model_convert_from(model_t); 2042 2043 /* 2044 * these are the prototypes for device id functions. 2045 */ 2046 int 2047 ddi_devid_valid(ddi_devid_t devid); 2048 2049 int 2050 ddi_devid_register(dev_info_t *dip, ddi_devid_t devid); 2051 2052 void 2053 ddi_devid_unregister(dev_info_t *dip); 2054 2055 int 2056 ddi_devid_init(dev_info_t *dip, ushort_t devid_type, ushort_t nbytes, 2057 void *id, ddi_devid_t *ret_devid); 2058 2059 int 2060 ddi_devid_get(dev_info_t *dip, ddi_devid_t *ret_devid); 2061 2062 size_t 2063 ddi_devid_sizeof(ddi_devid_t devid); 2064 2065 void 2066 ddi_devid_free(ddi_devid_t devid); 2067 2068 int 2069 ddi_devid_compare(ddi_devid_t id1, ddi_devid_t id2); 2070 2071 int 2072 ddi_devid_scsi_encode(int version, char *driver_name, 2073 uchar_t *inq, size_t inq_len, uchar_t *inq80, size_t inq80_len, 2074 uchar_t *inq83, size_t inq83_len, ddi_devid_t *ret_devid); 2075 2076 int 2077 ddi_devid_smp_encode(int version, char *driver_name, 2078 char *wwnstr, uchar_t *srmir_buf, size_t srmir_len, 2079 ddi_devid_t *ret_devid); 2080 2081 char 2082 *ddi_devid_to_guid(ddi_devid_t devid); 2083 2084 void 2085 ddi_devid_free_guid(char *guid); 2086 2087 int 2088 ddi_lyr_get_devid(dev_t dev, ddi_devid_t *ret_devid); 2089 2090 int 2091 ddi_lyr_get_minor_name(dev_t dev, int spec_type, char **minor_name); 2092 2093 int 2094 ddi_lyr_devid_to_devlist(ddi_devid_t devid, char *minor_name, int *retndevs, 2095 dev_t **retdevs); 2096 2097 void 2098 ddi_lyr_free_devlist(dev_t *devlist, int ndevs); 2099 2100 char * 2101 ddi_devid_str_encode(ddi_devid_t devid, char *minor_name); 2102 2103 int 2104 ddi_devid_str_decode(char *devidstr, ddi_devid_t *devidp, char **minor_namep); 2105 2106 void 2107 ddi_devid_str_free(char *devidstr); 2108 2109 int 2110 ddi_devid_str_compare(char *id1_str, char *id2_str); 2111 2112 /* 2113 * Event to post to when a devinfo node is removed. 2114 */ 2115 #define DDI_DEVI_REMOVE_EVENT "DDI:DEVI_REMOVE" 2116 #define DDI_DEVI_INSERT_EVENT "DDI:DEVI_INSERT" 2117 #define DDI_DEVI_BUS_RESET_EVENT "DDI:DEVI_BUS_RESET" 2118 #define DDI_DEVI_DEVICE_RESET_EVENT "DDI:DEVI_DEVICE_RESET" 2119 2120 /* 2121 * Invoke bus nexus driver's implementation of the 2122 * (*bus_remove_eventcall)() interface to remove a registered 2123 * callback handler for "event". 2124 */ 2125 int 2126 ddi_remove_event_handler(ddi_callback_id_t id); 2127 2128 /* 2129 * Invoke bus nexus driver's implementation of the 2130 * (*bus_add_eventcall)() interface to register a callback handler 2131 * for "event". 2132 */ 2133 int 2134 ddi_add_event_handler(dev_info_t *dip, ddi_eventcookie_t event, 2135 void (*handler)(dev_info_t *, ddi_eventcookie_t, void *, void *), 2136 void *arg, ddi_callback_id_t *id); 2137 2138 /* 2139 * Return a handle for event "name" by calling up the device tree 2140 * hierarchy via (*bus_get_eventcookie)() interface until claimed 2141 * by a bus nexus or top of dev_info tree is reached. 2142 */ 2143 int 2144 ddi_get_eventcookie(dev_info_t *dip, char *name, 2145 ddi_eventcookie_t *event_cookiep); 2146 2147 /* 2148 * log a system event 2149 */ 2150 int 2151 ddi_log_sysevent(dev_info_t *dip, char *vendor, char *class_name, 2152 char *subclass_name, nvlist_t *attr_list, sysevent_id_t *eidp, 2153 int sleep_flag); 2154 2155 /* 2156 * ddi_log_sysevent() vendors 2157 */ 2158 #define DDI_VENDOR_SUNW "SUNW" 2159 2160 /* 2161 * Opaque task queue handle. 2162 */ 2163 typedef struct ddi_taskq ddi_taskq_t; 2164 2165 /* 2166 * Use default system priority. 2167 */ 2168 #define TASKQ_DEFAULTPRI -1 2169 2170 /* 2171 * Create a task queue 2172 */ 2173 ddi_taskq_t *ddi_taskq_create(dev_info_t *dip, const char *name, 2174 int nthreads, pri_t pri, uint_t cflags); 2175 2176 /* 2177 * destroy a task queue 2178 */ 2179 void ddi_taskq_destroy(ddi_taskq_t *tq); 2180 2181 /* 2182 * Dispatch a task to a task queue 2183 */ 2184 int ddi_taskq_dispatch(ddi_taskq_t *tq, void (* func)(void *), 2185 void *arg, uint_t dflags); 2186 2187 /* 2188 * Wait for all previously scheduled tasks to complete. 2189 */ 2190 void ddi_taskq_wait(ddi_taskq_t *tq); 2191 2192 /* 2193 * Suspend all task execution. 2194 */ 2195 void ddi_taskq_suspend(ddi_taskq_t *tq); 2196 2197 /* 2198 * Resume task execution. 2199 */ 2200 void ddi_taskq_resume(ddi_taskq_t *tq); 2201 2202 /* 2203 * Is task queue suspended? 2204 */ 2205 boolean_t ddi_taskq_suspended(ddi_taskq_t *tq); 2206 2207 /* 2208 * Parse an interface name of the form <alphanumeric>##<numeric> where 2209 * <numeric> is maximal. 2210 */ 2211 int ddi_parse(const char *, char *, uint_t *); 2212 2213 /* 2214 * DDI interrupt priority level 2215 */ 2216 #define DDI_IPL_0 (0) /* kernel context */ 2217 #define DDI_IPL_1 (1) /* interrupt priority level 1 */ 2218 #define DDI_IPL_2 (2) /* interrupt priority level 2 */ 2219 #define DDI_IPL_3 (3) /* interrupt priority level 3 */ 2220 #define DDI_IPL_4 (4) /* interrupt priority level 4 */ 2221 #define DDI_IPL_5 (5) /* interrupt priority level 5 */ 2222 #define DDI_IPL_6 (6) /* interrupt priority level 6 */ 2223 #define DDI_IPL_7 (7) /* interrupt priority level 7 */ 2224 #define DDI_IPL_8 (8) /* interrupt priority level 8 */ 2225 #define DDI_IPL_9 (9) /* interrupt priority level 9 */ 2226 #define DDI_IPL_10 (10) /* interrupt priority level 10 */ 2227 2228 /* 2229 * DDI periodic timeout interface 2230 */ 2231 ddi_periodic_t ddi_periodic_add(void (*)(void *), void *, hrtime_t, int); 2232 void ddi_periodic_delete(ddi_periodic_t); 2233 2234 /* 2235 * Default quiesce(9E) implementation for drivers that don't need to do 2236 * anything. 2237 */ 2238 int ddi_quiesce_not_needed(dev_info_t *); 2239 2240 /* 2241 * Default quiesce(9E) initialization function for drivers that should 2242 * implement quiesce but haven't yet. 2243 */ 2244 int ddi_quiesce_not_supported(dev_info_t *); 2245 2246 /* 2247 * DDI generic callback interface 2248 */ 2249 2250 typedef struct __ddi_cb **ddi_cb_handle_t; 2251 2252 int ddi_cb_register(dev_info_t *dip, ddi_cb_flags_t flags, 2253 ddi_cb_func_t cbfunc, void *arg1, void *arg2, 2254 ddi_cb_handle_t *ret_hdlp); 2255 int ddi_cb_unregister(ddi_cb_handle_t hdl); 2256 2257 /* Notify DDI of memory added */ 2258 void ddi_mem_update(uint64_t addr, uint64_t size); 2259 2260 /* Path alias interfaces */ 2261 typedef struct plat_alias { 2262 char *pali_current; 2263 uint64_t pali_naliases; 2264 char **pali_aliases; 2265 } plat_alias_t; 2266 2267 typedef struct alias_pair { 2268 char *pair_alias; 2269 char *pair_curr; 2270 } alias_pair_t; 2271 2272 extern boolean_t ddi_aliases_present; 2273 2274 typedef struct ddi_alias { 2275 alias_pair_t *dali_alias_pairs; 2276 alias_pair_t *dali_curr_pairs; 2277 int dali_num_pairs; 2278 mod_hash_t *dali_alias_TLB; 2279 mod_hash_t *dali_curr_TLB; 2280 } ddi_alias_t; 2281 2282 extern ddi_alias_t ddi_aliases; 2283 2284 void ddi_register_aliases(plat_alias_t *pali, uint64_t npali); 2285 dev_info_t *ddi_alias_redirect(char *alias); 2286 char *ddi_curr_redirect(char *curr); 2287 2288 #endif /* _KERNEL */ 2289 2290 #ifdef __cplusplus 2291 } 2292 #endif 2293 2294 #endif /* _SYS_SUNDDI_H */ 2295