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 * Copyright 2000 by Cisco Systems, Inc. All rights reserved. 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * 26 * iSCSI Software Initiator 27 */ 28 29 /* 30 * Framework interface routines for iSCSI 31 */ 32 #include "iscsi.h" /* main header */ 33 #include <sys/scsi/adapters/iscsi_if.h> /* ioctl interfaces */ 34 #include <sys/scsi/adapters/iscsi_protocol.h> 35 /* protocol structs and defines */ 36 37 #include "iscsi_targetparam.h" 38 #include "persistent.h" 39 #include <sys/scsi/adapters/iscsi_door.h> 40 #include <sys/dlpi.h> 41 #include <sys/utsname.h> 42 #include "isns_client.h" 43 #include "isns_protocol.h" 44 #include <sys/bootprops.h> 45 46 #define ISCSI_NAME_VERSION "iSCSI Initiator v-1.55" 47 48 #define MAX_GET_NAME_SIZE 1024 49 #define MAX_NAME_PROP_SIZE 256 50 #define UNDEFINED -1 51 52 /* 53 * +--------------------------------------------------------------------+ 54 * | iscsi globals | 55 * +--------------------------------------------------------------------+ 56 */ 57 void *iscsi_state; 58 kmutex_t iscsi_oid_mutex; 59 uint32_t iscsi_oid; 60 int iscsi_nop_delay = ISCSI_DEFAULT_NOP_DELAY; 61 int iscsi_rx_window = ISCSI_DEFAULT_RX_WINDOW; 62 int iscsi_rx_max_window = ISCSI_DEFAULT_RX_MAX_WINDOW; 63 64 extern ib_boot_prop_t *iscsiboot_prop; 65 66 /* 67 * +--------------------------------------------------------------------+ 68 * | iscsi.c prototypes | 69 * +--------------------------------------------------------------------+ 70 */ 71 static int iscsi_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, 72 void *arg, void **result); 73 static int iscsi_attach(dev_info_t *dip, ddi_attach_cmd_t cmd); 74 static int iscsi_detach(dev_info_t *dip, ddi_detach_cmd_t cmd); 75 76 /* scsi_tran prototypes */ 77 static int iscsi_tran_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip, 78 scsi_hba_tran_t *hba_tran, struct scsi_device *sd); 79 static int iscsi_tran_lun_probe(struct scsi_device *sd, int (*callback) ()); 80 static struct scsi_pkt *iscsi_tran_init_pkt(struct scsi_address *ap, 81 struct scsi_pkt *pkt, struct buf *bp, int cmdlen, int statuslen, 82 int tgtlen, int flags, int (*callback) (), caddr_t arg); 83 static void iscsi_tran_lun_free(dev_info_t *hba_dip, dev_info_t *lun_dip, 84 scsi_hba_tran_t *hba_tran, struct scsi_device *sd); 85 static int iscsi_tran_start(struct scsi_address *ap, struct scsi_pkt *pkt); 86 static int iscsi_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt); 87 static int iscsi_tran_reset(struct scsi_address *ap, int level); 88 static int iscsi_tran_getcap(struct scsi_address *ap, char *cap, int whom); 89 static int iscsi_tran_setcap(struct scsi_address *ap, char *cap, 90 int value, int whom); 91 static void iscsi_tran_destroy_pkt(struct scsi_address *ap, 92 struct scsi_pkt *pkt); 93 static void iscsi_tran_dmafree(struct scsi_address *ap, 94 struct scsi_pkt *pkt); 95 static void iscsi_tran_sync_pkt(struct scsi_address *ap, 96 struct scsi_pkt *pkt); 97 static void iscsi_tran_sync_pkt(struct scsi_address *ap, 98 struct scsi_pkt *pkt); 99 static int iscsi_tran_reset_notify(struct scsi_address *ap, int flag, 100 void (*callback) (caddr_t), caddr_t arg); 101 static int iscsi_tran_bus_config(dev_info_t *parent, uint_t flags, 102 ddi_bus_config_op_t op, void *arg, dev_info_t **childp); 103 static int iscsi_tran_bus_unconfig(dev_info_t *parent, uint_t flags, 104 ddi_bus_config_op_t op, void *arg); 105 static int iscsi_tran_get_name(struct scsi_device *sd, char *name, int len); 106 static int iscsi_tran_get_bus_addr(struct scsi_device *sd, char *name, int len); 107 108 /* bus_ops prototypes */ 109 /* LINTED E_STATIC_UNUSED */ 110 static ddi_intrspec_t iscsi_get_intrspec(dev_info_t *dip, dev_info_t *rdip, 111 uint_t inumber); 112 /* LINTED E_STATIC_UNUSED */ 113 static int iscsi_add_intrspec(dev_info_t *dip, dev_info_t *rdip, 114 ddi_intrspec_t intrspec, ddi_iblock_cookie_t *iblock_cookiep, 115 ddi_idevice_cookie_t *idevice_cookiep, uint_t (*int_handler)(caddr_t 116 int_handler_arg), caddr_t int_handler_arg, int kind); 117 /* LINTED E_STATIC_UNUSED */ 118 static void iscsi_remove_intrspec(dev_info_t *dip, dev_info_t *rdip, 119 ddi_intrspec_t intrspec, ddi_iblock_cookie_t iblock_cookie); 120 /* LINTED E_STATIC_UNUSED */ 121 static int iscsi_ctl(dev_info_t *dip, dev_info_t *rdip, ddi_ctl_enum_t ctlop, 122 void *arg, void *result); 123 124 /* cb_ops prototypes */ 125 static int iscsi_open(dev_t *devp, int flags, int otyp, cred_t *credp); 126 static int iscsi_close(dev_t dev, int flag, int otyp, cred_t *credp); 127 /* --- iscsi_ioctl is called by the discovery code so needs to be global --- */ 128 int iscsi_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, 129 cred_t *credp, int *rvalp); 130 131 int iscsi_get_persisted_param(uchar_t *name, 132 iscsi_param_get_t *ipgp, 133 iscsi_login_params_t *params); 134 static void iscsi_override_target_default(iscsi_hba_t *ihp, 135 iscsi_param_get_t *ipg); 136 137 /* scsi_tran helpers */ 138 static int iscsi_virt_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip, 139 scsi_hba_tran_t *hba_tran, struct scsi_device *sd); 140 static int iscsi_phys_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip, 141 scsi_hba_tran_t *hba_tran, struct scsi_device *sd); 142 static int iscsi_i_commoncap(struct scsi_address *ap, char *cap, 143 int val, int lunonly, int doset); 144 static void iscsi_get_name_to_iqn(char *name, int name_max_len); 145 static void iscsi_get_name_from_iqn(char *name, int name_max_len); 146 static boolean_t iscsi_cmp_boot_sess_oid(iscsi_hba_t *ihp, uint32_t oid); 147 148 /* struct helpers prototypes */ 149 150 /* 151 * At this point this driver doesn't need this structure because nothing 152 * is done during the open, close or ioctl. Code put in place because 153 * some admin related work might be done in the ioctl routine. 154 */ 155 static struct cb_ops iscsi_cb_ops = { 156 iscsi_open, /* open */ 157 iscsi_close, /* close */ 158 nodev, /* strategy */ 159 nodev, /* print */ 160 nodev, /* dump */ 161 nodev, /* read */ 162 nodev, /* write */ 163 iscsi_ioctl, /* ioctl */ 164 nodev, /* devmap */ 165 nodev, /* mmap */ 166 nodev, /* segmap */ 167 nochpoll, /* poll */ 168 ddi_prop_op, /* prop_op */ 169 NULL, /* streamtab */ 170 D_NEW | D_MP | D_HOTPLUG, /* flags */ 171 CB_REV, /* cb_rev */ 172 nodev, /* aread */ 173 nodev, /* awrite */ 174 }; 175 176 static struct dev_ops iscsi_dev_ops = { 177 DEVO_REV, /* devo_rev */ 178 0, /* refcnt */ 179 iscsi_getinfo, /* getinfo */ 180 nulldev, /* identify */ 181 nulldev, /* probe */ 182 iscsi_attach, /* attach */ 183 iscsi_detach, /* detach */ 184 nodev, /* reset */ 185 &iscsi_cb_ops, /* driver operations */ 186 NULL, /* bus ops */ 187 NULL, /* power management */ 188 }; 189 190 static struct modldrv modldrv = { 191 &mod_driverops, /* drv_modops */ 192 ISCSI_NAME_VERSION, /* drv_linkinfo */ 193 &iscsi_dev_ops /* drv_dev_ops */ 194 }; 195 196 static struct modlinkage modlinkage = { 197 MODREV_1, /* ml_rev */ 198 &modldrv, /* ml_linkage[] */ 199 NULL /* NULL termination */ 200 }; 201 202 /* 203 * This structure is bogus. scsi_hba_attach_setup() requires, as in the kernel 204 * will panic if you don't pass this in to the routine, this information. 205 * Need to determine what the actual impact to the system is by providing 206 * this information if any. Since dma allocation is done in pkt_init it may 207 * not have any impact. These values are straight from the Writing Device 208 * Driver manual. 209 */ 210 static ddi_dma_attr_t iscsi_dma_attr = { 211 DMA_ATTR_V0, /* ddi_dma_attr version */ 212 0, /* low address */ 213 0xffffffff, /* high address */ 214 0x00ffffff, /* counter upper bound */ 215 1, /* alignment requirements */ 216 0x3f, /* burst sizes */ 217 1, /* minimum DMA access */ 218 0xffffffff, /* maximum DMA access */ 219 (1 << 24) - 1, /* segment boundary restrictions */ 220 1, /* scater/gather list length */ 221 512, /* device granularity */ 222 0 /* DMA flags */ 223 }; 224 225 /* 226 * _init - General driver init entry 227 */ 228 int 229 _init(void) 230 { 231 int rval = 0; 232 233 iscsi_net_init(); 234 235 mutex_init(&iscsi_oid_mutex, NULL, MUTEX_DRIVER, NULL); 236 iscsi_oid = ISCSI_INITIATOR_OID; 237 238 /* 239 * Set up the soft state structures. If this driver is actually 240 * being attached to the system then we'll have at least one 241 * HBA/NIC used. 242 */ 243 rval = ddi_soft_state_init(&iscsi_state, 244 sizeof (iscsi_hba_t), 1); 245 if (rval != 0) { 246 iscsi_net_fini(); 247 goto init_done; 248 } 249 250 rval = scsi_hba_init(&modlinkage); 251 if (rval != 0) { 252 ddi_soft_state_fini(&iscsi_state); 253 iscsi_net_fini(); 254 goto init_done; 255 } 256 257 rval = mod_install(&modlinkage); 258 if (rval != 0) { 259 ddi_soft_state_fini(&iscsi_state); 260 scsi_hba_fini(&modlinkage); 261 iscsi_net_fini(); 262 goto init_done; 263 } 264 (void) iscsi_door_ini(); 265 266 init_done: 267 return (rval); 268 } 269 270 /* 271 * _fini - General driver destructor entry 272 */ 273 int 274 _fini(void) 275 { 276 int rval = 0; 277 278 rval = mod_remove(&modlinkage); 279 if (rval == 0) { 280 scsi_hba_fini(&modlinkage); 281 ddi_soft_state_fini(&iscsi_state); 282 mutex_destroy(&iscsi_oid_mutex); 283 (void) iscsi_door_term(); 284 iscsi_net_fini(); 285 } 286 return (rval); 287 } 288 289 /* 290 * _info - General driver info entry 291 */ 292 int 293 _info(struct modinfo *mp) 294 { 295 int rval = 0; 296 297 rval = mod_info(&modlinkage, mp); 298 299 return (rval); 300 } 301 302 303 /* 304 * +--------------------------------------------------------------------+ 305 * | Start of dev_ops routines | 306 * +--------------------------------------------------------------------+ 307 */ 308 309 /* 310 * iscsi_getinfo - returns general driver information 311 */ 312 /* ARGSUSED */ 313 static int 314 iscsi_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, 315 void *arg, void **result) 316 { 317 int rval = DDI_SUCCESS; 318 int instance = getminor((dev_t)arg); 319 iscsi_hba_t *ip; 320 321 switch (infocmd) { 322 case DDI_INFO_DEVT2DEVINFO: 323 if ((ip = ddi_get_soft_state(iscsi_state, instance)) == NULL) { 324 return (DDI_FAILURE); 325 } 326 *result = ip->hba_dip; 327 if (ip->hba_dip == NULL) 328 rval = DDI_FAILURE; 329 else 330 rval = DDI_SUCCESS; 331 break; 332 333 case DDI_INFO_DEVT2INSTANCE: 334 *result = (void *)(uintptr_t)instance; 335 rval = DDI_SUCCESS; 336 break; 337 338 default: 339 rval = DDI_FAILURE; 340 break; 341 } 342 return (rval); 343 } 344 345 346 /* 347 * iscsi_attach -- Attach instance of an iSCSI HBA. We 348 * will attempt to create our HBA and register it with 349 * scsi_vhci. If it's not possible to create the HBA 350 * or register with vhci we will fail the attach. 351 */ 352 static int 353 iscsi_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 354 { 355 int rval = DDI_SUCCESS; 356 int instance = ddi_get_instance(dip); 357 iscsi_hba_t *ihp = NULL; 358 scsi_hba_tran_t *tran = NULL; 359 char init_port_name[MAX_NAME_PROP_SIZE]; 360 361 switch (cmd) { 362 case DDI_ATTACH: 363 /* create iSCSH HBA devctl device node */ 364 if (ddi_create_minor_node(dip, ISCSI_DEVCTL, S_IFCHR, 0, 365 DDI_PSEUDO, 0) == DDI_SUCCESS) { 366 367 /* allocate HBA soft state */ 368 if (ddi_soft_state_zalloc(iscsi_state, instance) != 369 DDI_SUCCESS) { 370 ddi_remove_minor_node(dip, NULL); 371 rval = DDI_FAILURE; 372 break; 373 } 374 375 /* get reference to soft state */ 376 if ((ihp = (iscsi_hba_t *)ddi_get_soft_state( 377 iscsi_state, instance)) == NULL) { 378 ddi_remove_minor_node(dip, NULL); 379 ddi_soft_state_free(iscsi_state, instance); 380 rval = DDI_FAILURE; 381 break; 382 } 383 384 /* init HBA mutex used to protect discovery events */ 385 mutex_init(&ihp->hba_discovery_events_mutex, NULL, 386 MUTEX_DRIVER, NULL); 387 388 /* 389 * init SendTargets semaphore that is used to allow 390 * only one operation at a time 391 */ 392 sema_init(&ihp->hba_sendtgts_semaphore, 1, NULL, 393 SEMA_DRIVER, NULL); 394 395 ihp->hba_sess_list = NULL; 396 rw_init(&ihp->hba_sess_list_rwlock, NULL, 397 RW_DRIVER, NULL); 398 399 /* allocate scsi_hba_tran */ 400 if ((tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP)) 401 == NULL) { 402 ddi_remove_minor_node(dip, NULL); 403 goto iscsi_attach_failed2; 404 } 405 406 /* soft state setup */ 407 ihp->hba_sig = ISCSI_SIG_HBA; 408 ihp->hba_tran = tran; 409 ihp->hba_dip = dip; 410 411 mutex_enter(&iscsi_oid_mutex); 412 ihp->hba_oid = iscsi_oid++; 413 mutex_exit(&iscsi_oid_mutex); 414 415 ihp->hba_name[0] = '\0'; 416 ihp->hba_name_length = 0; 417 ihp->hba_alias_length = 0; 418 ihp->hba_alias[0] = '\0'; 419 420 iscsi_net->tweaks.rcvbuf = ddi_prop_get_int( 421 DDI_DEV_T_ANY, ihp->hba_dip, 0, "so-rcvbuf", 422 ISCSI_SOCKET_RCVBUF_SIZE); 423 424 iscsi_net->tweaks.sndbuf = ddi_prop_get_int( 425 DDI_DEV_T_ANY, ihp->hba_dip, 0, "so-sndbuf", 426 ISCSI_SOCKET_SNDBUF_SIZE); 427 428 iscsi_net->tweaks.nodelay = ddi_prop_get_int( 429 DDI_DEV_T_ANY, ihp->hba_dip, 0, "tcp-nodelay", 430 ISCSI_TCP_NODELAY_DEFAULT); 431 432 iscsi_net->tweaks.conn_notify_threshold = 433 ddi_prop_get_int(DDI_DEV_T_ANY, 434 ihp->hba_dip, 0, "tcp-conn-notify-threshold", 435 ISCSI_TCP_CNOTIFY_THRESHOLD_DEFAULT); 436 437 iscsi_net->tweaks.conn_abort_threshold = 438 ddi_prop_get_int(DDI_DEV_T_ANY, ihp->hba_dip, 439 0, "tcp-conn-abort-threshold", 440 ISCSI_TCP_CABORT_THRESHOLD_DEFAULT); 441 442 iscsi_net->tweaks.abort_threshold = ddi_prop_get_int( 443 DDI_DEV_T_ANY, ihp->hba_dip, 0, 444 "tcp-abort-threshold", 445 ISCSI_TCP_ABORT_THRESHOLD_DEFAULT); 446 447 ihp->hba_config_storm_delay = ddi_prop_get_int( 448 DDI_DEV_T_ANY, ihp->hba_dip, 0, 449 "config-storm-delay", 450 ISCSI_CONFIG_STORM_DELAY_DEFAULT); 451 452 (void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip, 453 "so-rcvbuf", iscsi_net->tweaks.rcvbuf); 454 455 (void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip, 456 "so-sndbuf", iscsi_net->tweaks.sndbuf); 457 458 (void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip, 459 "tcp-nodelay", iscsi_net->tweaks.nodelay); 460 461 (void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip, 462 "tcp-conn-notify-threshold", 463 iscsi_net->tweaks.conn_notify_threshold); 464 465 (void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip, 466 "tcp-conn-abort-threshold", 467 iscsi_net->tweaks.conn_abort_threshold); 468 469 (void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip, 470 "tcp-abort-threshold", 471 iscsi_net->tweaks.abort_threshold); 472 473 (void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip, 474 "config-storm-delay", 475 ihp->hba_config_storm_delay); 476 477 /* setup hba defaults */ 478 iscsi_set_default_login_params(&ihp->hba_params); 479 480 /* hba set up */ 481 tran->tran_hba_private = ihp; 482 tran->tran_tgt_private = NULL; 483 tran->tran_tgt_init = iscsi_tran_lun_init; 484 tran->tran_tgt_probe = iscsi_tran_lun_probe; 485 tran->tran_tgt_free = iscsi_tran_lun_free; 486 tran->tran_start = iscsi_tran_start; 487 tran->tran_abort = iscsi_tran_abort; 488 tran->tran_reset = iscsi_tran_reset; 489 tran->tran_getcap = iscsi_tran_getcap; 490 tran->tran_setcap = iscsi_tran_setcap; 491 tran->tran_init_pkt = iscsi_tran_init_pkt; 492 tran->tran_destroy_pkt = iscsi_tran_destroy_pkt; 493 tran->tran_dmafree = iscsi_tran_dmafree; 494 tran->tran_sync_pkt = iscsi_tran_sync_pkt; 495 tran->tran_reset_notify = iscsi_tran_reset_notify; 496 tran->tran_bus_config = iscsi_tran_bus_config; 497 tran->tran_bus_unconfig = iscsi_tran_bus_unconfig; 498 499 tran->tran_get_name = iscsi_tran_get_name; 500 tran->tran_get_bus_addr = iscsi_tran_get_bus_addr; 501 tran->tran_interconnect_type = INTERCONNECT_ISCSI; 502 503 /* register scsi hba with scsa */ 504 if (scsi_hba_attach_setup(dip, &iscsi_dma_attr, 505 tran, SCSI_HBA_TRAN_CLONE) != DDI_SUCCESS) { 506 goto iscsi_attach_failed1; 507 } 508 509 /* register scsi hba with mdi (MPxIO/vhci) */ 510 if (mdi_phci_register(MDI_HCI_CLASS_SCSI, dip, 0) != 511 MDI_SUCCESS) { 512 ihp->hba_mpxio_enabled = B_FALSE; 513 } else { 514 ihp->hba_mpxio_enabled = B_TRUE; 515 } 516 517 (void) iscsi_hba_kstat_init(ihp); 518 519 /* Initialize targetparam list */ 520 iscsi_targetparam_init(); 521 522 /* Initialize ISID */ 523 ihp->hba_isid[0] = ISCSI_SUN_ISID_0; 524 ihp->hba_isid[1] = ISCSI_SUN_ISID_1; 525 ihp->hba_isid[2] = ISCSI_SUN_ISID_2; 526 ihp->hba_isid[3] = ISCSI_SUN_ISID_3; 527 ihp->hba_isid[4] = ISCSI_SUN_ISID_4; 528 ihp->hba_isid[5] = ISCSI_SUN_ISID_5; 529 530 /* Setup iSNS transport services and client */ 531 isns_client_init(); 532 533 /* 534 * initialize the discovery processes and 535 * persistent store. 536 */ 537 ihp->persistent_loaded = B_FALSE; 538 if (iscsid_init(ihp, B_FALSE) == B_FALSE) { 539 goto iscsi_attach_failed0; 540 } 541 542 /* Setup init_port_name for MPAPI */ 543 (void) snprintf(init_port_name, MAX_NAME_PROP_SIZE, 544 "%s,%02x%02x%02x%02x%02x%02x", 545 (char *)ihp->hba_name, ihp->hba_isid[0], 546 ihp->hba_isid[1], ihp->hba_isid[2], 547 ihp->hba_isid[3], ihp->hba_isid[4], 548 ihp->hba_isid[5]); 549 550 if (ddi_prop_update_string(DDI_DEV_T_NONE, dip, 551 "initiator-port", init_port_name) != 552 DDI_PROP_SUCCESS) { 553 cmn_err(CE_WARN, "iscsi_attach: Creating " 554 "initiator-port property on iSCSI " 555 "HBA(%s) with dip(%d) Failed", 556 (char *)ihp->hba_name, 557 ddi_get_instance(dip)); 558 } 559 560 ddi_report_dev(dip); 561 } else { 562 rval = DDI_FAILURE; 563 } 564 break; 565 566 iscsi_attach_failed0: 567 isns_client_cleanup(); 568 if (ihp->stats.ks) { 569 (void) iscsi_hba_kstat_term(ihp); 570 } 571 if (ihp->hba_mpxio_enabled == B_TRUE) { 572 (void) mdi_phci_unregister(dip, 0); 573 } 574 (void) scsi_hba_detach(ihp->hba_dip); 575 iscsi_attach_failed1: 576 ddi_remove_minor_node(dip, NULL); 577 ddi_prop_remove_all(ihp->hba_dip); 578 scsi_hba_tran_free(tran); 579 iscsi_attach_failed2: 580 mutex_destroy(&ihp->hba_discovery_events_mutex); 581 sema_destroy(&ihp->hba_sendtgts_semaphore); 582 rw_destroy(&ihp->hba_sess_list_rwlock); 583 ddi_soft_state_free(iscsi_state, instance); 584 rval = DDI_FAILURE; 585 break; 586 587 case DDI_RESUME: 588 break; 589 590 default: 591 rval = DDI_FAILURE; 592 } 593 594 if (rval != DDI_SUCCESS) { 595 cmn_err(CE_WARN, "iscsi driver unable to attach " 596 "hba instance %d", instance); 597 } 598 599 return (rval); 600 } 601 602 /* 603 * iscsi_detach - called on unload of hba instance 604 */ 605 static int 606 iscsi_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 607 { 608 int rval = DDI_SUCCESS; 609 scsi_hba_tran_t *tran = NULL; 610 iscsi_hba_t *ihp = NULL; 611 iscsi_hba_t *ihp_check = NULL; 612 int instance; 613 char *init_node_name; 614 615 instance = ddi_get_instance(dip); 616 617 switch (cmd) { 618 case DDI_DETACH: 619 if (!(tran = (scsi_hba_tran_t *)ddi_get_driver_private(dip))) { 620 rval = DDI_SUCCESS; 621 break; 622 } 623 624 if ((ihp = (iscsi_hba_t *)tran->tran_hba_private) == NULL) { 625 rval = DDI_FAILURE; 626 break; 627 } 628 629 /* 630 * Validate that what is stored by the DDI framework is still 631 * the same state structure referenced by the SCSI framework 632 */ 633 ihp_check = ddi_get_soft_state(iscsi_state, instance); 634 if (ihp_check != ihp) { 635 rval = DDI_FAILURE; 636 break; 637 } 638 639 /* If a session exists we can't safely detach */ 640 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 641 if (ihp->hba_sess_list != NULL) { 642 rw_exit(&ihp->hba_sess_list_rwlock); 643 rval = DDI_FAILURE; 644 break; 645 } 646 rw_exit(&ihp->hba_sess_list_rwlock); 647 648 /* Disable all discovery services */ 649 if (iscsid_disable_discovery(ihp, 650 ISCSI_ALL_DISCOVERY_METHODS) == B_FALSE) { 651 /* Disable failed. Fail detach */ 652 rval = DDI_FAILURE; 653 break; 654 } 655 656 /* Deregister from iSNS server(s). */ 657 init_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP); 658 if (persistent_initiator_name_get(init_node_name, 659 ISCSI_MAX_NAME_LEN) == B_TRUE) { 660 if (strlen(init_node_name) > 0) { 661 (void) isns_dereg(ihp->hba_isid, 662 (uint8_t *)init_node_name); 663 } 664 } 665 kmem_free(init_node_name, ISCSI_MAX_NAME_LEN); 666 init_node_name = NULL; 667 668 /* Cleanup iSNS Client */ 669 isns_client_cleanup(); 670 671 iscsi_targetparam_cleanup(); 672 673 /* Cleanup iscsid resources */ 674 iscsid_fini(); 675 676 if (rval != DDI_SUCCESS) { 677 break; 678 } 679 /* kstat hba. destroy */ 680 KSTAT_DEC_HBA_CNTR_SESS(ihp); 681 682 if (ihp->hba_mpxio_enabled == B_TRUE) { 683 (void) mdi_phci_unregister(dip, 0); 684 } 685 ddi_remove_minor_node(dip, NULL); 686 687 ddi_prop_remove_all(ihp->hba_dip); 688 mutex_destroy(&ihp->hba_discovery_events_mutex); 689 rw_destroy(&ihp->hba_sess_list_rwlock); 690 (void) iscsi_hba_kstat_term(ihp); 691 692 (void) scsi_hba_detach(dip); 693 if (tran != NULL) { 694 scsi_hba_tran_free(tran); 695 } 696 ddi_soft_state_free(iscsi_state, instance); 697 break; 698 default: 699 break; 700 } 701 702 if (rval != DDI_SUCCESS) { 703 cmn_err(CE_WARN, "iscsi driver unable to " 704 "detach hba instance %d", instance); 705 } 706 707 return (rval); 708 } 709 710 /* 711 * +--------------------------------------------------------------------+ 712 * | End of dev_ops routines | 713 * +--------------------------------------------------------------------+ 714 */ 715 716 /* 717 * +--------------------------------------------------------------------+ 718 * | scsi_tran(9E) routines | 719 * +--------------------------------------------------------------------+ 720 */ 721 722 /* 723 * iscsi_tran_lun_init - Find target device based on SCSI device 724 * Based on the information given (SCSI device, target dev_info) find 725 * the target iSCSI device and put a pointer to that information in 726 * the scsi_hba_tran_t structure. 727 */ 728 static int 729 iscsi_tran_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip, 730 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 731 { 732 int rval = 0; 733 int type = 0; 734 735 ASSERT(hba_tran->tran_hba_private != NULL); 736 737 /* 738 * Child node is getting initialized. Look at the mpxio component 739 * type on the child device to see if this device is mpxio managed 740 * or not. 741 */ 742 type = mdi_get_component_type(lun_dip); 743 if (type != MDI_COMPONENT_CLIENT) { 744 rval = iscsi_phys_lun_init(hba_dip, lun_dip, hba_tran, sd); 745 } else { 746 rval = iscsi_virt_lun_init(hba_dip, lun_dip, hba_tran, sd); 747 } 748 749 return (rval); 750 } 751 752 /* 753 * iscsi_tran_lun_probe - This function didn't need to be implemented. 754 * We could have left NULL in the tran table. Since this isn't a 755 * performance path this seems safe. We are just wrappering the 756 * function so we can see the call go through if we have debugging 757 * enabled. 758 */ 759 static int 760 iscsi_tran_lun_probe(struct scsi_device *sd, int (*callback) ()) 761 { 762 int rval = 0; 763 764 rval = scsi_hba_probe(sd, callback); 765 766 return (rval); 767 } 768 769 /* 770 * iscsi_init_pkt - Allocate SCSI packet and fill in required info. 771 */ 772 /* ARGSUSED */ 773 static struct scsi_pkt * 774 iscsi_tran_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt, 775 struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags, 776 int (*callback) (), caddr_t arg) 777 { 778 iscsi_lun_t *ilp; 779 iscsi_cmd_t *icmdp; 780 781 ASSERT(ap != NULL); 782 ASSERT(callback == NULL_FUNC || callback == SLEEP_FUNC); 783 784 /* 785 * The software stack doesn't have DMA which means the iSCSI 786 * protocol layer will be doing a bcopy from bp to outgoing 787 * streams buffers. Make sure that the buffer is mapped in 788 * so that the copy won't panic the system. 789 */ 790 if (bp && (bp->b_bcount != 0) && 791 bp_mapin_common(bp, (callback == NULL_FUNC) ? 792 VM_NOSLEEP : VM_SLEEP) == NULL) { 793 return (NULL); 794 } 795 796 ilp = (iscsi_lun_t *)ap->a_hba_tran->tran_tgt_private; 797 ASSERT(ilp != NULL); 798 799 if (pkt == NULL) { 800 pkt = scsi_hba_pkt_alloc(ilp->lun_sess->sess_hba->hba_dip, 801 ap, cmdlen, statuslen, tgtlen, sizeof (iscsi_cmd_t), 802 callback, arg); 803 if (pkt == NULL) { 804 return (NULL); 805 } 806 icmdp = (iscsi_cmd_t *)pkt->pkt_ha_private; 807 icmdp->cmd_sig = ISCSI_SIG_CMD; 808 icmdp->cmd_state = ISCSI_CMD_STATE_FREE; 809 icmdp->cmd_lun = ilp; 810 icmdp->cmd_type = ISCSI_CMD_TYPE_SCSI; 811 /* add the report lun addressing type on to the lun */ 812 icmdp->cmd_un.scsi.lun = ilp->lun_addr_type << 14; 813 icmdp->cmd_un.scsi.lun = icmdp->cmd_un.scsi.lun | 814 ilp->lun_num; 815 icmdp->cmd_un.scsi.pkt = pkt; 816 icmdp->cmd_un.scsi.bp = bp; 817 icmdp->cmd_un.scsi.cmdlen = cmdlen; 818 icmdp->cmd_un.scsi.statuslen = statuslen; 819 icmdp->cmd_crc_error_seen = B_FALSE; 820 icmdp->cmd_misc_flags = 0; 821 if (flags & PKT_XARQ) { 822 icmdp->cmd_misc_flags |= ISCSI_CMD_MISCFLAG_XARQ; 823 } 824 825 mutex_init(&icmdp->cmd_mutex, NULL, MUTEX_DRIVER, NULL); 826 cv_init(&icmdp->cmd_completion, NULL, CV_DRIVER, NULL); 827 828 pkt->pkt_address = *ap; 829 pkt->pkt_comp = (void (*)())NULL; 830 pkt->pkt_flags = 0; 831 pkt->pkt_time = 0; 832 pkt->pkt_resid = 0; 833 pkt->pkt_statistics = 0; 834 pkt->pkt_reason = 0; 835 } 836 return (pkt); 837 } 838 839 /* 840 * iscsi_tran_lun_free - Free a SCSI LUN 841 */ 842 static void 843 iscsi_tran_lun_free(dev_info_t *hba_dip, dev_info_t *lun_dip, 844 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 845 { 846 iscsi_lun_t *ilp = NULL; 847 848 ASSERT(hba_dip != NULL); 849 ASSERT(lun_dip != NULL); 850 ASSERT(hba_tran != NULL); 851 ASSERT(sd != NULL); 852 ilp = (iscsi_lun_t *)hba_tran->tran_tgt_private; 853 ASSERT(ilp != NULL); 854 855 (void) mdi_prop_remove(ilp->lun_pip, NULL); 856 } 857 858 /* 859 * iscsi_start -- Start a SCSI transaction based on the packet 860 * This will attempt to add the icmdp to the pending queue 861 * for the connection and kick the queue. If the enqueue 862 * fails that means the queue is full. 863 */ 864 static int 865 iscsi_tran_start(struct scsi_address *ap, struct scsi_pkt *pkt) 866 { 867 iscsi_lun_t *ilp = NULL; 868 iscsi_sess_t *isp = NULL; 869 iscsi_cmd_t *icmdp = NULL; 870 uint_t flags; 871 872 ASSERT(ap != NULL); 873 ASSERT(pkt != NULL); 874 ilp = (iscsi_lun_t *)ap->a_hba_tran->tran_tgt_private; 875 isp = (iscsi_sess_t *)ilp->lun_sess; 876 icmdp = (iscsi_cmd_t *)pkt->pkt_ha_private; 877 flags = pkt->pkt_flags; 878 ASSERT(ilp != NULL); 879 ASSERT(isp != NULL); 880 ASSERT(icmdp != NULL); 881 882 /* 883 * If the session is in the FREE state then 884 * all connections are down and retries have 885 * been exhausted. Fail command with fatal error. 886 */ 887 mutex_enter(&isp->sess_state_mutex); 888 if (isp->sess_state == ISCSI_SESS_STATE_FREE) { 889 mutex_exit(&isp->sess_state_mutex); 890 return (TRAN_FATAL_ERROR); 891 } 892 893 /* 894 * If the session is not in LOGGED_IN then we have 895 * no connections LOGGED_IN, but we haven't exhuasted 896 * our retries. Fail the command with busy so the 897 * caller might try again later. Once retries are 898 * exhausted the state machine will move us to FREE. 899 */ 900 if (isp->sess_state != ISCSI_SESS_STATE_LOGGED_IN) { 901 mutex_exit(&isp->sess_state_mutex); 902 return (TRAN_BUSY); 903 } 904 905 /* 906 * If we haven't received data from the target in the 907 * max specified period something is wrong with the 908 * transport. Fail IO with FATAL_ERROR. 909 */ 910 if (isp->sess_rx_lbolt + SEC_TO_TICK(iscsi_rx_max_window) < 911 ddi_get_lbolt()) { 912 mutex_exit(&isp->sess_state_mutex); 913 return (TRAN_FATAL_ERROR); 914 } 915 916 /* 917 * If we haven't received data from the target in the 918 * specified period something is probably wrong with 919 * the transport. Just return back BUSY until either 920 * the problem is resolved of the transport fails. 921 */ 922 if (isp->sess_rx_lbolt + SEC_TO_TICK(iscsi_rx_window) < 923 ddi_get_lbolt()) { 924 mutex_exit(&isp->sess_state_mutex); 925 return (TRAN_BUSY); 926 } 927 928 929 /* reset cmd values in case upper level driver is retrying cmd */ 930 icmdp->cmd_prev = icmdp->cmd_next = NULL; 931 icmdp->cmd_crc_error_seen = B_FALSE; 932 icmdp->cmd_lbolt_pending = icmdp->cmd_lbolt_active = 933 icmdp->cmd_lbolt_aborting = icmdp->cmd_lbolt_timeout = 934 (clock_t)NULL; 935 icmdp->cmd_itt = icmdp->cmd_ttt = 0; 936 icmdp->cmd_un.scsi.abort_icmdp = NULL; 937 938 mutex_enter(&isp->sess_queue_pending.mutex); 939 iscsi_cmd_state_machine(icmdp, ISCSI_CMD_EVENT_E1, isp); 940 mutex_exit(&isp->sess_queue_pending.mutex); 941 mutex_exit(&isp->sess_state_mutex); 942 943 /* 944 * If this packet doesn't have FLAG_NOINTR set, it could have 945 * already run to completion (and the memory freed) at this 946 * point, so check our local copy of pkt_flags. Otherwise we 947 * have to wait for completion before returning to the caller. 948 */ 949 if (flags & FLAG_NOINTR) { 950 mutex_enter(&icmdp->cmd_mutex); 951 while ((icmdp->cmd_state != ISCSI_CMD_STATE_COMPLETED) || 952 (icmdp->cmd_un.scsi.r2t_icmdp != NULL) || 953 (icmdp->cmd_un.scsi.abort_icmdp != NULL)) { 954 cv_wait(&icmdp->cmd_completion, &icmdp->cmd_mutex); 955 } 956 icmdp->cmd_state = ISCSI_CMD_STATE_FREE; 957 mutex_exit(&icmdp->cmd_mutex); 958 } 959 960 return (TRAN_ACCEPT); 961 } 962 963 /* 964 * iscsi_tran_abort - Called when an upper level application 965 * or driver wants to kill a scsi_pkt that was already sent to 966 * this driver. 967 */ 968 /* ARGSUSED */ 969 static int 970 iscsi_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt) 971 { 972 return (0); 973 } 974 975 /* 976 * iscsi_tran_reset - Reset target at either BUS, TARGET, or LUN 977 * level. This will require the issuing of a task management 978 * command down to the target/lun. 979 */ 980 static int 981 iscsi_tran_reset(struct scsi_address *ap, int level) 982 { 983 int rval = ISCSI_STATUS_INTERNAL_ERROR; 984 iscsi_sess_t *isp = NULL; 985 iscsi_lun_t *ilp = NULL; 986 987 ilp = (iscsi_lun_t *)ap->a_hba_tran->tran_tgt_private; 988 ASSERT(ilp != NULL); 989 isp = ilp->lun_sess; 990 ASSERT(isp != NULL); 991 992 switch (level) { 993 case RESET_LUN: 994 /* reset attempt will block until attempt is complete */ 995 rval = iscsi_handle_reset(isp, level, ilp); 996 break; 997 case RESET_BUS: 998 /* 999 * What are we going to realy reset the ethernet 1000 * network!? Just fall through to a target reset. 1001 */ 1002 case RESET_TARGET: 1003 /* reset attempt will block until attempt is complete */ 1004 rval = iscsi_handle_reset(isp, level, NULL); 1005 break; 1006 case RESET_ALL: 1007 default: 1008 break; 1009 } 1010 1011 return (ISCSI_SUCCESS(rval) ? 1 : 0); 1012 } 1013 1014 /* 1015 * iscsi_tran_getcap - Get target/lun capabilities. 1016 */ 1017 static int 1018 iscsi_tran_getcap(struct scsi_address *ap, char *cap, int whom) 1019 { 1020 return (iscsi_i_commoncap(ap, cap, 0, whom, 0)); 1021 } 1022 1023 1024 /* 1025 * iscsi_tran_setcap - Set target/lun capabilities. 1026 */ 1027 /* ARGSUSED */ 1028 static int 1029 iscsi_tran_setcap(struct scsi_address *ap, char *cap, int value, int whom) 1030 { 1031 return (iscsi_i_commoncap(ap, cap, 0, whom, 1)); 1032 } 1033 1034 1035 /* 1036 * iscsi_tran_destroy_pkt - Clean up packet 1037 */ 1038 static void 1039 iscsi_tran_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 1040 { 1041 iscsi_cmd_t *icmdp; 1042 1043 icmdp = (iscsi_cmd_t *)pkt->pkt_ha_private; 1044 1045 ASSERT(icmdp != NULL); 1046 ASSERT(icmdp->cmd_sig == ISCSI_SIG_CMD); 1047 ASSERT(icmdp->cmd_state == ISCSI_CMD_STATE_FREE); 1048 1049 mutex_destroy(&icmdp->cmd_mutex); 1050 cv_destroy(&icmdp->cmd_completion); 1051 scsi_hba_pkt_free(ap, pkt); 1052 } 1053 1054 /* 1055 * iscsi_tran_dmafree - This is a software driver, NO DMA 1056 */ 1057 /* ARGSUSED */ 1058 static void 1059 iscsi_tran_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) 1060 { 1061 /* 1062 * The iSCSI interface doesn't deal with DMA 1063 */ 1064 } 1065 1066 /* 1067 * iscsi_tran_sync_pkt - This is a software driver, NO DMA 1068 */ 1069 /* ARGSUSED */ 1070 static void 1071 iscsi_tran_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 1072 { 1073 /* 1074 * The iSCSI interface doesn't deal with DMA 1075 */ 1076 } 1077 1078 /* 1079 * iscsi_tran_reset_notify - We don't support BUS_RESET so there 1080 * is no point in support callback. 1081 */ 1082 /* ARGSUSED */ 1083 static int 1084 iscsi_tran_reset_notify(struct scsi_address *ap, int flag, 1085 void (*callback) (caddr_t), caddr_t arg) 1086 { 1087 1088 /* 1089 * We never do BUS_RESETS so allowing this call 1090 * back to register has no point? 1091 */ 1092 return (DDI_SUCCESS); 1093 } 1094 1095 1096 /* 1097 * iscsi_tran_bus_config - on demand device configuration 1098 * 1099 * iscsi_tran_bus_config is called by the NDI layer at the completion 1100 * of a dev_node creation. There are two primary cases defined in this 1101 * function. The first is BUS_CONFIG_ALL. In this case the NDI is trying 1102 * to identify that targets/luns are available configured at that point 1103 * in time. It is safe to just complete the process succcessfully. The 1104 * second case is a new case that was defined in S10 for devfs. BUS_CONFIG_ONE 1105 * this is to help driver the top down discovery instead of bottom up. If 1106 * we receive a BUS_CONFIG_ONE we should check to see if the <addr> exists 1107 * if so complete successfull processing. Otherwise we should call the 1108 * deamon and see if we can plumb the <addr>. If it is possible to plumb the 1109 * <addr> block until plumbing is complete. In both cases of being able to 1110 * plumb <addr> or not continue with successfull processing. 1111 */ 1112 static int 1113 iscsi_tran_bus_config(dev_info_t *parent, uint_t flags, 1114 ddi_bus_config_op_t op, void *arg, dev_info_t **childp) 1115 { 1116 int rval = NDI_SUCCESS; 1117 iscsi_hba_t *ihp = NULL; 1118 int iflags = flags; 1119 char *name = NULL; 1120 char *ptr = NULL; 1121 1122 /* get reference to soft state */ 1123 ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state, 1124 ddi_get_instance(parent)); 1125 if (ihp == NULL) { 1126 return (NDI_FAILURE); 1127 } 1128 1129 /* lock so only one config operation occrs */ 1130 sema_p(&iscsid_config_semaphore); 1131 1132 switch (op) { 1133 case BUS_CONFIG_ONE: 1134 /* parse target name out of name given */ 1135 if ((ptr = strchr((char *)arg, '@')) == NULL) { 1136 rval = NDI_FAILURE; 1137 break; 1138 } 1139 ptr++; /* move past '@' */ 1140 name = kmem_zalloc(MAX_GET_NAME_SIZE, KM_SLEEP); 1141 (void) strncpy(name, ptr, MAX_GET_NAME_SIZE); 1142 /* We need to strip the LUN */ 1143 if ((ptr = strchr(name, ',')) == NULL) { 1144 rval = NDI_FAILURE; 1145 kmem_free(name, MAX_GET_NAME_SIZE); 1146 name = NULL; 1147 break; 1148 } 1149 /* We also need to strip the 4 bytes of hex TPGT */ 1150 ptr -= 4; 1151 if (ptr <= name) { 1152 rval = NDI_FAILURE; 1153 kmem_free(name, MAX_GET_NAME_SIZE); 1154 name = NULL; 1155 break; 1156 } 1157 *ptr = '\0'; /* NULL terminate */ 1158 1159 /* translate name back to original iSCSI name */ 1160 iscsi_get_name_to_iqn(name, MAX_GET_NAME_SIZE); 1161 1162 /* configure target, skip 4 byte ISID */ 1163 iscsid_config_one(ihp, (name+4), B_TRUE); 1164 1165 kmem_free(name, MAX_GET_NAME_SIZE); 1166 name = NULL; 1167 1168 /* 1169 * DDI group instructed us to use this flag. 1170 */ 1171 iflags |= NDI_MDI_FALLBACK; 1172 break; 1173 case BUS_CONFIG_DRIVER: 1174 /* FALLTHRU */ 1175 case BUS_CONFIG_ALL: 1176 iscsid_config_all(ihp, B_TRUE); 1177 break; 1178 default: 1179 rval = NDI_FAILURE; 1180 break; 1181 } 1182 1183 if (rval == NDI_SUCCESS) { 1184 rval = ndi_busop_bus_config(parent, iflags, 1185 op, arg, childp, 0); 1186 } 1187 sema_v(&iscsid_config_semaphore); 1188 1189 return (rval); 1190 } 1191 1192 /* 1193 * iscsi_tran_bus_unconfig - on demand device unconfiguration 1194 * 1195 * Called by the os framework under low resource situations. 1196 * It will attempt to unload our minor nodes (logical units 1197 * ndi/mdi nodes). 1198 */ 1199 static int 1200 iscsi_tran_bus_unconfig(dev_info_t *parent, uint_t flag, 1201 ddi_bus_config_op_t op, void *arg) 1202 { 1203 return (ndi_busop_bus_unconfig(parent, flag, op, arg)); 1204 } 1205 1206 1207 /* 1208 * iscsi_tran_get_name - create private /devices name for LUN 1209 * 1210 * This creates the <addr> in /devices/iscsi/<driver>@<addr> 1211 * path. For this <addr> we return the <session/target_name>,<lun num> 1212 * Where <target_name> is an <iqn/eui/...> as defined by the iSCSI 1213 * specification. We do modify the name slightly so that it still 1214 * complies with the IEEE <addr> naming scheme. This means that we 1215 * will substitute out the ':', '@', ... and other reserved characters 1216 * defined in the IEEE definition with '%<hex value of special char>' 1217 * This routine is indirectly called by iscsi_lun_create_xxx. These 1218 * calling routines must prevent the session and lun lists from changing 1219 * during this routine. 1220 */ 1221 static int 1222 iscsi_tran_get_name(struct scsi_device *sd, char *name, int len) 1223 { 1224 int target = 0; 1225 int lun = 0; 1226 iscsi_hba_t *ihp = NULL; 1227 iscsi_sess_t *isp = NULL; 1228 iscsi_lun_t *ilp = NULL; 1229 dev_info_t *lun_dip = NULL; 1230 1231 ASSERT(sd != NULL); 1232 ASSERT(name != NULL); 1233 lun_dip = sd->sd_dev; 1234 ASSERT(lun_dip != NULL); 1235 1236 /* get reference to soft state */ 1237 ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state, 1238 ddi_get_instance(ddi_get_parent(lun_dip))); 1239 if (ihp == NULL) { 1240 name[0] = '\0'; 1241 return (0); 1242 } 1243 1244 /* Get the target num */ 1245 target = ddi_prop_get_int(DDI_DEV_T_ANY, sd->sd_dev, 1246 DDI_PROP_DONTPASS, TARGET_PROP, 0); 1247 1248 /* Get the target num */ 1249 lun = ddi_prop_get_int(DDI_DEV_T_ANY, sd->sd_dev, 1250 DDI_PROP_DONTPASS, LUN_PROP, 0); 1251 1252 /* 1253 * Now we need to find our ilp by walking the lists 1254 * off the ihp and isp. 1255 */ 1256 /* See if we already created this session */ 1257 1258 /* Walk the HBA's session list */ 1259 for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) { 1260 /* compare target name as the unique identifier */ 1261 if (target == isp->sess_oid) { 1262 /* found match */ 1263 break; 1264 } 1265 } 1266 1267 /* If we found matching session continue searching for tgt */ 1268 if (isp == NULL) { 1269 /* sess not found */ 1270 name[0] = '\0'; 1271 return (0); 1272 } 1273 1274 /* 1275 * Search for the matching iscsi lun structure. We don't 1276 * need to hold the READER for the lun list at this point. 1277 * because the tran_get_name is being called from the online 1278 * function which is already holding a reader on the lun 1279 * list. 1280 */ 1281 for (ilp = isp->sess_lun_list; ilp; ilp = ilp->lun_next) { 1282 if (lun == ilp->lun_num) { 1283 /* found match */ 1284 break; 1285 } 1286 } 1287 1288 if (ilp == NULL) { 1289 /* tgt not found */ 1290 name[0] = '\0'; 1291 return (0); 1292 } 1293 1294 /* Ensure enough space for lun_addr is available */ 1295 ASSERT(ilp->lun_addr != NULL); 1296 if ((strlen(ilp->lun_addr) + 1) > len) { 1297 return (0); 1298 } 1299 1300 /* copy lun_addr name */ 1301 (void) strcpy(name, ilp->lun_addr); 1302 1303 /* 1304 * Based on IEEE-1275 we can't have any ':', ' ', '@', or '/' 1305 * characters in our naming. So replace all those characters 1306 * with '-' 1307 */ 1308 iscsi_get_name_from_iqn(name, len); 1309 1310 return (1); 1311 } 1312 1313 /* 1314 * iscsi_tran_get_bus_addr - This returns a human readable string 1315 * for the bus address. Examining most other drivers fcp, etc. They 1316 * all just return the same string as tran_get_name. In our case 1317 * our tran get name is already some what usable so leave alone. 1318 */ 1319 static int 1320 iscsi_tran_get_bus_addr(struct scsi_device *sd, char *name, int len) 1321 { 1322 return (iscsi_tran_get_name(sd, name, len)); 1323 } 1324 1325 1326 /* 1327 * +--------------------------------------------------------------------+ 1328 * | End of scsi_tran routines | 1329 * +--------------------------------------------------------------------+ 1330 */ 1331 1332 /* 1333 * +--------------------------------------------------------------------+ 1334 * | Start of cb_ops routines | 1335 * +--------------------------------------------------------------------+ 1336 */ 1337 1338 /* 1339 * iscsi_open - Driver should be made IOCTL MT safe. Otherwise 1340 * this function needs updated. 1341 */ 1342 /* ARGSUSED */ 1343 static int 1344 iscsi_open(dev_t *devp, int flags, int otyp, cred_t *credp) 1345 { 1346 return (0); 1347 } 1348 1349 /* 1350 * iscsi_close - 1351 */ 1352 /* ARGSUSED */ 1353 static int 1354 iscsi_close(dev_t dev, int flags, int otyp, cred_t *credp) 1355 { 1356 return (0); 1357 } 1358 1359 /* 1360 * iscsi_ioctl - 1361 */ 1362 /* ARGSUSED */ 1363 int 1364 iscsi_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, 1365 cred_t *credp, int *rvalp) 1366 { 1367 int rtn = 0; 1368 int instance = 0; 1369 int list_space = 0; 1370 int lun_sz = 0; 1371 int did; 1372 iscsi_hba_t *ihp = NULL; 1373 iscsi_sess_t *isp = NULL; 1374 iscsi_conn_t *icp = NULL; 1375 iscsi_login_params_t *params = NULL; 1376 iscsi_login_params_t *tmpParams = NULL; 1377 uchar_t *name = NULL; 1378 dev_info_t *lun_dip = NULL; 1379 1380 entry_t e; 1381 iscsi_oid_t oid; 1382 iscsi_property_t *ipp; 1383 iscsi_static_property_t *ispp; 1384 iscsi_param_get_t *ilg; 1385 iscsi_param_set_t *ils; 1386 iscsi_target_list_t idl, *idlp = NULL; 1387 iscsi_addr_list_t ial, *ialp = NULL; 1388 iscsi_chap_props_t *chap = NULL; 1389 iscsi_radius_props_t *radius = NULL; 1390 iscsi_auth_props_t *auth = NULL; 1391 iscsi_lun_list_t *ll, *llp = NULL; 1392 iscsi_lun_props_t *lun = NULL; 1393 iscsi_lun_t *ilp = NULL; 1394 iSCSIDiscoveryMethod_t method; 1395 iSCSIDiscoveryProperties_t discovery_props; 1396 iscsi_uscsi_t iu; 1397 iscsi_uscsi_t iu_caller; 1398 #ifdef _MULTI_DATAMODEL 1399 /* For use when a 32 bit app makes a call into a 64 bit ioctl */ 1400 iscsi_uscsi32_t iu32_caller; 1401 model_t model; 1402 #endif /* _MULTI_DATAMODEL */ 1403 void *void_p; 1404 iscsi_sendtgts_list_t *stl_hdr; 1405 iscsi_sendtgts_list_t *istl; 1406 int stl_sz; 1407 iscsi_target_entry_t *target; 1408 uint32_t old_oid; 1409 uint32_t target_oid; 1410 iscsi_targetparam_entry_t *curr_entry; 1411 char *initiator_node_name; 1412 char *initiator_node_alias; 1413 isns_portal_group_list_t *pg_list = NULL; 1414 isns_server_portal_group_list_t *server_pg_list_hdr = NULL; 1415 isns_server_portal_group_list_t *server_pg_list = NULL; 1416 int pg_list_sz, pg_sz_copy_out, server_pg_list_sz; 1417 iscsi_config_sess_t *ics; 1418 int size; 1419 boolean_t rval; 1420 char init_port_name[MAX_NAME_PROP_SIZE]; 1421 iscsi_sockaddr_t addr_dsc; 1422 iscsi_boot_property_t *bootProp; 1423 boolean_t discovered = B_TRUE; 1424 1425 instance = getminor(dev); 1426 ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state, instance); 1427 if (ihp == NULL) 1428 return (EFAULT); 1429 1430 switch (cmd) { 1431 /* 1432 * ISCSI_CREATE_OID - Create a Object IDentifier for a TargetName 1433 */ 1434 case ISCSI_CREATE_OID: 1435 if (ddi_copyin((caddr_t)arg, &oid, sizeof (oid), mode)) { 1436 rtn = EFAULT; 1437 break; 1438 } 1439 if (oid.o_vers != ISCSI_INTERFACE_VERSION) { 1440 rtn = EINVAL; 1441 break; 1442 } 1443 1444 /* Set the target that this session is associated with */ 1445 oid.o_oid = iscsi_targetparam_get_oid(oid.o_name); 1446 1447 if (ddi_copyout(&oid, (caddr_t)arg, sizeof (oid), mode)) { 1448 rtn = EFAULT; 1449 break; 1450 } 1451 break; 1452 /* 1453 * ISCSI_PARAM_GET - Get param for specified 1454 * connection/session. 1455 */ 1456 case ISCSI_PARAM_GET: 1457 /* copyin user args */ 1458 ilg = (iscsi_param_get_t *)kmem_alloc(sizeof (*ilg), KM_SLEEP); 1459 if (ddi_copyin((caddr_t)arg, ilg, sizeof (*ilg), mode)) { 1460 rtn = EFAULT; 1461 kmem_free(ilg, sizeof (*ilg)); 1462 break; 1463 } 1464 1465 if (ilg->g_vers != ISCSI_INTERFACE_VERSION) { 1466 rtn = EINVAL; 1467 kmem_free(ilg, sizeof (*ilg)); 1468 break; 1469 } 1470 1471 /* handle special case for Initiator name */ 1472 if (ilg->g_param == ISCSI_LOGIN_PARAM_INITIATOR_NAME) { 1473 (void) strlcpy((char *)ilg->g_value.v_name, 1474 (char *)ihp->hba_name, ISCSI_MAX_NAME_LEN); 1475 } else if (ilg->g_param == ISCSI_LOGIN_PARAM_INITIATOR_ALIAS) { 1476 if (ihp->hba_alias_length == 0) { 1477 rtn = EINVAL; 1478 } else { 1479 (void) strlcpy((char *)ilg->g_value.v_name, 1480 (char *)ihp->hba_alias, ISCSI_MAX_NAME_LEN); 1481 } 1482 } else { 1483 /* To describe the validity of the requested param */ 1484 boolean_t valid_flag = B_TRUE; 1485 1486 name = NULL; 1487 1488 /* 1489 * switch login based if looking for initiator 1490 * params 1491 */ 1492 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 1493 if (ilg->g_oid == ihp->hba_oid) { 1494 /* initiator */ 1495 params = &ihp->hba_params; 1496 name = ihp->hba_name; 1497 if (iscsi_get_persisted_param(name, 1498 ilg, params) != 0) { 1499 valid_flag = B_FALSE; 1500 } 1501 } else { 1502 /* 1503 * If the oid does represent a session check 1504 * to see if it is a target oid. If so, 1505 * return the target's associated session. 1506 */ 1507 rtn = iscsi_sess_get(ilg->g_oid, ihp, &isp); 1508 if (rtn != 0) { 1509 rtn = iscsi_sess_get_by_target( 1510 ilg->g_oid, ihp, &isp); 1511 } 1512 1513 /* 1514 * If rtn is zero then we have found an 1515 * existing session. Use the session name to 1516 * do param lookup. If rtn is non-zero then 1517 * create a targetparam object and use its name 1518 * for param lookup. 1519 */ 1520 if (rtn == 0) { 1521 name = isp->sess_name; 1522 params = &isp->sess_params; 1523 } else { 1524 name = 1525 iscsi_targetparam_get_name( 1526 ilg->g_oid); 1527 if (ilg->g_param_type == 1528 ISCSI_SESS_PARAM) { 1529 tmpParams = 1530 (iscsi_login_params_t *) 1531 kmem_alloc( 1532 sizeof (*tmpParams), 1533 KM_SLEEP); 1534 params = tmpParams; 1535 } 1536 rtn = 0; 1537 } 1538 1539 if (name == NULL) { 1540 rw_exit( 1541 &ihp->hba_sess_list_rwlock); 1542 rtn = EFAULT; 1543 kmem_free(ilg, sizeof (*ilg)); 1544 if (tmpParams != NULL) 1545 kmem_free(tmpParams, 1546 sizeof (*tmpParams)); 1547 1548 break; 1549 } 1550 1551 if (ilg->g_param_type == ISCSI_SESS_PARAM) { 1552 /* session */ 1553 /* 1554 * Update sess_params with the 1555 * latest params from the 1556 * persistent store. 1557 */ 1558 if (iscsi_get_persisted_param(name, 1559 ilg, params) != 0) { 1560 /* 1561 * If the parameter in 1562 * question is not 1563 * overriden, no effect 1564 * on existing session 1565 * parameters. However, 1566 * the parameter is 1567 * marked invalid 1568 * (from the standpoint 1569 * of whether it is 1570 * overriden). 1571 */ 1572 valid_flag = B_FALSE; 1573 } 1574 } else if (ilg->g_param_type == 1575 ISCSI_CONN_PARAM && isp != NULL) { 1576 /* connection */ 1577 rw_enter(&isp->sess_conn_list_rwlock, 1578 RW_READER); 1579 /* Assuming 1 conn per sess. */ 1580 /* 1581 * MC/S - Need to be modified to 1582 * take g_conn_cid into account when 1583 * we go multi-connection. 1584 */ 1585 if ((isp->sess_conn_act != NULL) && 1586 (isp->sess_conn_act->conn_state == 1587 ISCSI_CONN_STATE_LOGGED_IN)) { 1588 params = &(isp-> 1589 sess_conn_act-> 1590 conn_params); 1591 } else { 1592 valid_flag = B_FALSE; 1593 } 1594 rw_exit(&isp->sess_conn_list_rwlock); 1595 } 1596 } 1597 1598 /* make sure we have params to get info from */ 1599 if (params) { 1600 rtn = iscsi_get_param(params, valid_flag, ilg); 1601 1602 /* 1603 * for target parameters, check if any 1604 * parameters were overridden at the initiator 1605 * level. If so, then change the default value 1606 * to the initiator's overridden value 1607 */ 1608 if ((rtn == 0) && 1609 (ilg->g_oid != ihp->hba_oid)) { 1610 iscsi_override_target_default(ihp, 1611 ilg); 1612 } 1613 } 1614 rw_exit(&ihp->hba_sess_list_rwlock); 1615 } 1616 1617 if (rtn == 0) { 1618 rtn = ddi_copyout(ilg, (caddr_t)arg, 1619 sizeof (iscsi_param_get_t), mode); 1620 } 1621 kmem_free(ilg, sizeof (*ilg)); 1622 if (tmpParams != NULL) 1623 kmem_free(tmpParams, sizeof (*tmpParams)); 1624 break; 1625 1626 /* 1627 * ISCSI_INIT_NODE_NAME_SET - Change the initiator-node name for 1628 * the specified connection/session. 1629 */ 1630 case ISCSI_INIT_NODE_NAME_SET: 1631 /* copyin user args */ 1632 ils = (iscsi_param_set_t *)kmem_alloc(sizeof (*ils), KM_SLEEP); 1633 if (ddi_copyin((caddr_t)arg, ils, sizeof (*ils), mode)) { 1634 rtn = EFAULT; 1635 kmem_free(ils, sizeof (*ils)); 1636 break; 1637 } 1638 1639 if (ils->s_vers != ISCSI_INTERFACE_VERSION) { 1640 rtn = EINVAL; 1641 kmem_free(ils, sizeof (*ils)); 1642 break; 1643 } 1644 1645 /* saving off the old initiator-node name */ 1646 initiator_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP); 1647 rval = persistent_initiator_name_get(initiator_node_name, 1648 ISCSI_MAX_NAME_LEN); 1649 1650 rtn = iscsi_set_params(ils, ihp, B_TRUE); 1651 kmem_free(ils, sizeof (*ils)); 1652 if (rtn != 0) { 1653 kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN); 1654 return (rtn); 1655 } 1656 1657 (void) snprintf(init_port_name, MAX_NAME_PROP_SIZE, 1658 "%s,%02x%02x%02x%02x%02x%02x", 1659 (char *)ihp->hba_name, ihp->hba_isid[0], 1660 ihp->hba_isid[1], ihp->hba_isid[2], 1661 ihp->hba_isid[3], ihp->hba_isid[4], 1662 ihp->hba_isid[5]); 1663 1664 if (ddi_prop_update_string(DDI_DEV_T_NONE, 1665 ihp->hba_dip, "initiator-port", 1666 init_port_name) != DDI_PROP_SUCCESS) { 1667 cmn_err(CE_WARN, "iscsi_ioctl: Updating " 1668 "initiator-port property on iSCSI " 1669 "HBA(%s) with dip(%d) Failed", 1670 (char *)ihp->hba_name, 1671 ddi_get_instance(ihp->hba_dip)); 1672 } 1673 1674 /* 1675 * Deregister the old initiator-node name from the iSNS 1676 * server 1677 * Register the new initiator-node name with the iSNS server 1678 */ 1679 method = persistent_disc_meth_get(); 1680 if (method & iSCSIDiscoveryMethodISNS) { 1681 if (rval == B_TRUE) { 1682 if (strlen(initiator_node_name) > 0) { 1683 /* 1684 * we will attempt to offline the targets. 1685 * if logouts fail, we will still continue 1686 */ 1687 #define STRING_INNO "initiator-node name - Offline " 1688 #define STRING_FFOMD "failed for one or more devices" 1689 if ((iscsid_del( 1690 ihp, NULL, method, NULL)) 1691 != B_TRUE) { 1692 cmn_err(CE_NOTE, 1693 "Attempting to change " 1694 STRING_INNO 1695 STRING_FFOMD); 1696 } 1697 (void) isns_dereg(ihp->hba_isid, 1698 (uint8_t *)initiator_node_name); 1699 #undef STRING_INNO 1700 #undef STRING_FFOMD 1701 } 1702 } 1703 if (persistent_initiator_name_get(initiator_node_name, 1704 ISCSI_MAX_NAME_LEN) != B_TRUE) { 1705 kmem_free(initiator_node_name, 1706 ISCSI_MAX_NAME_LEN); 1707 initiator_node_name = NULL; 1708 rtn = EIO; 1709 break; 1710 } 1711 if (strlen(initiator_node_name) == 0) { 1712 kmem_free(initiator_node_name, 1713 ISCSI_MAX_NAME_LEN); 1714 initiator_node_name = NULL; 1715 rtn = EIO; 1716 break; 1717 } 1718 1719 initiator_node_alias = kmem_zalloc(ISCSI_MAX_NAME_LEN, 1720 KM_SLEEP); 1721 if (persistent_alias_name_get(initiator_node_alias, 1722 ISCSI_MAX_NAME_LEN) != B_TRUE) { 1723 initiator_node_alias[0] = '\0'; 1724 } 1725 1726 (void) isns_reg(ihp->hba_isid, 1727 (uint8_t *)initiator_node_name, 1728 ISCSI_MAX_NAME_LEN, 1729 (uint8_t *)initiator_node_alias, 1730 ISCSI_MAX_NAME_LEN, 1731 ISNS_INITIATOR_NODE_TYPE, 1732 isns_scn_callback); 1733 iscsid_do_isns_query(ihp); 1734 1735 /* Done using the name and alias - free them. */ 1736 kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN); 1737 initiator_node_name = NULL; 1738 kmem_free(initiator_node_alias, ISCSI_MAX_NAME_LEN); 1739 initiator_node_alias = NULL; 1740 } 1741 break; 1742 1743 /* 1744 * ISCSI_PARAM_SET - Set param for specified connection/session. 1745 */ 1746 case ISCSI_PARAM_SET: 1747 /* copyin user args */ 1748 ils = (iscsi_param_set_t *)kmem_alloc(sizeof (*ils), KM_SLEEP); 1749 if (ddi_copyin((caddr_t)arg, ils, sizeof (*ils), mode)) { 1750 rtn = EFAULT; 1751 kmem_free(ils, sizeof (*ils)); 1752 break; 1753 } 1754 1755 if (ils->s_vers != ISCSI_INTERFACE_VERSION) { 1756 rtn = EINVAL; 1757 kmem_free(ils, sizeof (*ils)); 1758 break; 1759 } 1760 rtn = iscsi_set_params(ils, ihp, B_TRUE); 1761 if (iscsiboot_prop) { 1762 if (iscsi_cmp_boot_sess_oid(ihp, ils->s_oid)) { 1763 /* 1764 * found active session for this object 1765 * or this is initiator's object 1766 * with mpxio enabled 1767 */ 1768 if (!iscsi_reconfig_boot_sess(ihp)) { 1769 rtn = EINVAL; 1770 kmem_free(ils, sizeof (*ils)); 1771 break; 1772 } 1773 } 1774 } 1775 kmem_free(ils, sizeof (*ils)); 1776 break; 1777 1778 /* 1779 * ISCSI_TARGET_PARAM_CLEAR 1780 * - remove custom parameter settings for a target. 1781 */ 1782 case ISCSI_TARGET_PARAM_CLEAR: 1783 if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) { 1784 rtn = EFAULT; 1785 break; 1786 } else if (e.e_vers != ISCSI_INTERFACE_VERSION) { 1787 rtn = EINVAL; 1788 break; 1789 } 1790 1791 if ((e.e_oid != ihp->hba_oid) && 1792 (e.e_oid != ISCSI_OID_NOTSET)) { 1793 uchar_t *t_name; 1794 iscsi_sess_t *t_isp; 1795 1796 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 1797 /* 1798 * If the oid does represent a session check to see 1799 * if it is a target oid. If so, return the target's 1800 * associated session. 1801 */ 1802 rtn = iscsi_sess_get(e.e_oid, ihp, &isp); 1803 if (rtn != 0) { 1804 rtn = iscsi_sess_get_by_target(e.e_oid, ihp, 1805 &isp); 1806 } 1807 1808 /* 1809 * If rtn is zero then we have found an 1810 * existing session. Use the session name to 1811 * do param lookup. If rtn is non-zero then 1812 * create a targetparam object and use its name 1813 * for param lookup. 1814 */ 1815 if (rtn == 0) { 1816 t_name = isp->sess_name; 1817 } else { 1818 t_name = iscsi_targetparam_get_name(e.e_oid); 1819 rtn = 0; 1820 } 1821 1822 if (t_name == NULL) { 1823 rw_exit(&ihp->hba_sess_list_rwlock); 1824 rtn = EFAULT; 1825 break; 1826 } 1827 1828 name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP); 1829 (void) strncpy((char *)name, (char *)t_name, 1830 ISCSI_MAX_NAME_LEN); 1831 1832 if (persistent_param_clear((char *)name) == B_FALSE) { 1833 kmem_free(name, ISCSI_MAX_NAME_LEN); 1834 rw_exit(&ihp->hba_sess_list_rwlock); 1835 rtn = EIO; 1836 break; 1837 } 1838 1839 ics = kmem_zalloc(sizeof (*ics), KM_SLEEP); 1840 ics->ics_ver = ISCSI_INTERFACE_VERSION; 1841 ics->ics_oid = ISCSI_INITIATOR_OID; 1842 ics->ics_in = 1; 1843 1844 /* 1845 * We may have multiple sessions with different 1846 * tpgt values. So we need to loop through 1847 * the sessions and update all sessions. 1848 */ 1849 for (isp = ihp->hba_sess_list; isp; 1850 isp = t_isp) { 1851 t_isp = isp->sess_next; 1852 1853 if (strncmp((char *)isp->sess_name, 1854 (char *)name, ISCSI_MAX_NAME_LEN) == 0) { 1855 /* 1856 * When removing target-params we need 1857 * slightly different actions depending 1858 * on if the session should still exist. 1859 * Get the initiator-node value for 1860 * MS/T. If there is no initiator 1861 * value then assume the default value 1862 * of 1. If the initiator value is 1863 * less than this ISID then we need to 1864 * destroy the session. Otherwise 1865 * update the session information and 1866 * resync (N7 event). 1867 */ 1868 rtn = iscsi_ioctl_get_config_sess( 1869 ihp, ics); 1870 if (((rtn != 0) && 1871 (isp->sess_isid[5] > 0)) || 1872 ((rtn == 0) && 1873 (ics->ics_out <= 1874 isp->sess_isid[5]))) { 1875 1876 /* 1877 * This session should no 1878 * longer exist. Remove 1879 * session. 1880 */ 1881 if (!ISCSI_SUCCESS( 1882 iscsi_sess_destroy(isp))) { 1883 kmem_free(ics, 1884 sizeof (*ics)); 1885 kmem_free(name, 1886 ISCSI_MAX_NAME_LEN); 1887 rw_exit(&ihp-> 1888 hba_sess_list_rwlock); 1889 rtn = EBUSY; 1890 break; 1891 } 1892 isp = ihp->hba_sess_list; 1893 } else { 1894 /* 1895 * Reset the session 1896 * parameters. 1897 */ 1898 bcopy(&(isp->sess_hba-> 1899 hba_params), 1900 &(isp->sess_params), 1901 sizeof (isp->sess_params)); 1902 if (iscsiboot_prop && 1903 isp->sess_boot) { 1904 /* 1905 * reconfig boot 1906 * session later 1907 */ 1908 continue; 1909 } 1910 /* 1911 * Notify the session that the 1912 * login parameters have 1913 * changed. 1914 */ 1915 mutex_enter(&isp-> 1916 sess_state_mutex); 1917 iscsi_sess_state_machine(isp, 1918 ISCSI_SESS_EVENT_N7); 1919 mutex_exit(&isp-> 1920 sess_state_mutex); 1921 } 1922 } 1923 } 1924 kmem_free(ics, sizeof (*ics)); 1925 kmem_free(name, ISCSI_MAX_NAME_LEN); 1926 rw_exit(&ihp->hba_sess_list_rwlock); 1927 if (iscsiboot_prop) { 1928 if (iscsi_cmp_boot_sess_oid(ihp, e.e_oid)) { 1929 /* 1930 * found active session for this object 1931 * or this is initiator object 1932 * with mpxio enabled 1933 */ 1934 if (!iscsi_reconfig_boot_sess(ihp)) { 1935 rtn = EINVAL; 1936 break; 1937 } 1938 } 1939 } 1940 } 1941 break; 1942 1943 /* 1944 * ISCSI_TARGET_OID_LIST_GET - 1945 */ 1946 case ISCSI_TARGET_OID_LIST_GET: 1947 /* copyin user args */ 1948 if (ddi_copyin((caddr_t)arg, &idl, 1949 sizeof (idl), mode)) { 1950 rtn = EFAULT; 1951 break; 1952 } 1953 1954 if (idl.tl_vers != ISCSI_INTERFACE_VERSION) { 1955 rtn = EINVAL; 1956 break; 1957 } 1958 1959 list_space = sizeof (iscsi_target_list_t); 1960 if (idl.tl_in_cnt != 0) 1961 list_space += (sizeof (uint32_t) * 1962 (idl.tl_in_cnt - 1)); 1963 1964 idlp = kmem_zalloc(list_space, KM_SLEEP); 1965 bcopy(&idl, idlp, sizeof (idl)); 1966 idlp->tl_out_cnt = 0; 1967 1968 /* 1969 * If target list type is ISCSI_TGT_OID_LIST and discovery 1970 * has not been completed or in progress, poke the discovery 1971 * methods so target information is returned 1972 */ 1973 mutex_enter(&ihp->hba_discovery_events_mutex); 1974 method = ihp->hba_discovery_events; 1975 if ((idl.tl_tgt_list_type == ISCSI_TGT_OID_LIST) && 1976 (method != ISCSI_ALL_DISCOVERY_METHODS) && 1977 (ihp->hba_discovery_in_progress == B_FALSE)) { 1978 ihp->hba_discovery_in_progress = B_TRUE; 1979 mutex_exit(&ihp->hba_discovery_events_mutex); 1980 iscsid_poke_discovery(ihp, iSCSIDiscoveryMethodUnknown); 1981 mutex_enter(&ihp->hba_discovery_events_mutex); 1982 ihp->hba_discovery_in_progress = B_FALSE; 1983 } 1984 mutex_exit(&ihp->hba_discovery_events_mutex); 1985 1986 /* 1987 * Return the correct list information based on the type 1988 */ 1989 switch (idl.tl_tgt_list_type) { 1990 /* ISCSI_TGT_PARAM_OID_LIST - iscsiadm list target-params */ 1991 case ISCSI_TGT_PARAM_OID_LIST: 1992 /* get params from persistent store */ 1993 iscsi_targetparam_lock_list(RW_READER); 1994 curr_entry = iscsi_targetparam_get_next_entry(NULL); 1995 while (curr_entry != NULL) { 1996 if (idlp->tl_out_cnt < idlp->tl_in_cnt) { 1997 idlp->tl_oid_list[idlp->tl_out_cnt] = 1998 curr_entry->target_oid; 1999 } 2000 idlp->tl_out_cnt++; 2001 curr_entry = iscsi_targetparam_get_next_entry( 2002 curr_entry); 2003 } 2004 iscsi_targetparam_unlock_list(); 2005 break; 2006 2007 /* ISCSI_STATIC_TGT_OID_LIST - iscsiadm list static-config */ 2008 case ISCSI_STATIC_TGT_OID_LIST: 2009 { 2010 char *target_name = NULL; 2011 void *v = NULL; 2012 2013 /* get static-config from persistent store */ 2014 target_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP); 2015 persistent_static_addr_lock(); 2016 while (persistent_static_addr_next(&v, 2017 (char *)target_name, &e) == B_TRUE) { 2018 2019 if (idlp->tl_out_cnt < idlp->tl_in_cnt) { 2020 idlp->tl_oid_list[idlp->tl_out_cnt] = 2021 e.e_oid; 2022 } 2023 idlp->tl_out_cnt++; 2024 2025 } 2026 2027 persistent_static_addr_unlock(); 2028 kmem_free(target_name, ISCSI_MAX_NAME_LEN); 2029 break; 2030 } 2031 2032 /* ISCSI_TGT_OID_LIST - iscsiadm list target */ 2033 case ISCSI_TGT_OID_LIST: 2034 2035 /* get sessions from hba's session list */ 2036 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 2037 for (isp = ihp->hba_sess_list; isp; 2038 isp = isp->sess_next) { 2039 2040 if (((isp->sess_state != 2041 ISCSI_SESS_STATE_FREE) || 2042 (isp->sess_discovered_by != 2043 iSCSIDiscoveryMethodUnknown)) && 2044 (isp->sess_type == 2045 ISCSI_SESS_TYPE_NORMAL)) { 2046 if (idlp->tl_out_cnt < 2047 idlp->tl_in_cnt) { 2048 idlp->tl_oid_list[ 2049 idlp->tl_out_cnt] = 2050 isp->sess_oid; 2051 } 2052 idlp->tl_out_cnt++; 2053 } 2054 2055 } 2056 rw_exit(&ihp->hba_sess_list_rwlock); 2057 break; 2058 2059 default: 2060 ASSERT(FALSE); 2061 } 2062 2063 rtn = ddi_copyout(idlp, (caddr_t)arg, list_space, mode); 2064 kmem_free(idlp, list_space); 2065 break; 2066 2067 /* 2068 * ISCSI_TARGET_PROPS_GET - 2069 */ 2070 case ISCSI_TARGET_PROPS_GET: 2071 /* ---- fall through sense the code is almost the same ---- */ 2072 2073 /* 2074 * ISCSI_TARGET_PROPS_SET - 2075 */ 2076 case ISCSI_TARGET_PROPS_SET: 2077 /* copyin user args */ 2078 ipp = (iscsi_property_t *)kmem_alloc(sizeof (*ipp), 2079 KM_SLEEP); 2080 if (ddi_copyin((caddr_t)arg, ipp, sizeof (*ipp), mode)) { 2081 rtn = EFAULT; 2082 kmem_free(ipp, sizeof (*ipp)); 2083 break; 2084 } 2085 2086 if (ipp->p_vers != ISCSI_INTERFACE_VERSION) { 2087 rtn = EINVAL; 2088 kmem_free(ipp, sizeof (*ipp)); 2089 break; 2090 } 2091 2092 rtn = iscsi_target_prop_mod(ihp, ipp, cmd); 2093 if (rtn == 0) 2094 rtn = ddi_copyout(ipp, (caddr_t)arg, 2095 sizeof (*ipp), mode); 2096 kmem_free(ipp, sizeof (*ipp)); 2097 break; 2098 2099 /* 2100 * ISCSI_TARGET_ADDRESS_GET - 2101 */ 2102 case ISCSI_TARGET_ADDRESS_GET: 2103 if (ddi_copyin((caddr_t)arg, &ial, sizeof (ial), mode)) { 2104 rtn = EFAULT; 2105 break; 2106 } 2107 2108 if (ial.al_vers != ISCSI_INTERFACE_VERSION) { 2109 rtn = EINVAL; 2110 break; 2111 } 2112 2113 /* 2114 * Find out how much space we need to malloc for the users 2115 * request. 2116 */ 2117 list_space = sizeof (iscsi_addr_list_t); 2118 if (ial.al_in_cnt != 0) { 2119 list_space += (sizeof (iscsi_addr_t) * 2120 (ial.al_in_cnt - 1)); 2121 } 2122 ialp = (iscsi_addr_list_t *)kmem_zalloc(list_space, KM_SLEEP); 2123 2124 /* Copy in the header portion */ 2125 bcopy(&ial, ialp, sizeof (ial)); 2126 2127 /* session */ 2128 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 2129 rtn = iscsi_sess_get(ialp->al_oid, ihp, &isp); 2130 if (rtn != 0) { 2131 rw_exit(&ihp->hba_sess_list_rwlock); 2132 rtn = EFAULT; 2133 break; 2134 } 2135 2136 ialp->al_out_cnt = 0; 2137 ialp->al_tpgt = isp->sess_tpgt_conf; 2138 rw_enter(&isp->sess_conn_list_rwlock, RW_READER); 2139 for (icp = isp->sess_conn_list; icp; icp = icp->conn_next) { 2140 if (icp->conn_state != ISCSI_CONN_STATE_LOGGED_IN) { 2141 continue; 2142 } 2143 if (ialp->al_out_cnt < ialp->al_in_cnt) { 2144 iscsi_addr_t *ap; 2145 2146 ap = &ialp->al_addrs[ialp->al_out_cnt]; 2147 if (icp->conn_base_addr.sin.sa_family 2148 == AF_INET) { 2149 2150 struct sockaddr_in *addr_in = 2151 (struct sockaddr_in *)&icp-> 2152 conn_base_addr.sin4; 2153 ap->a_addr.i_insize = 2154 sizeof (struct in_addr); 2155 bcopy(&addr_in->sin_addr.s_addr, 2156 &ap->a_addr.i_addr.in4.s_addr, 2157 sizeof (struct in_addr)); 2158 ap->a_port = addr_in->sin_port; 2159 2160 } else { 2161 2162 struct sockaddr_in6 *addr_in6 = 2163 (struct sockaddr_in6 *)&icp-> 2164 conn_base_addr.sin6; 2165 ap->a_addr.i_insize = 2166 sizeof (struct in6_addr); 2167 bcopy(&addr_in6->sin6_addr.s6_addr, 2168 &ap->a_addr.i_addr.in6.s6_addr, 2169 sizeof (struct in6_addr)); 2170 ap->a_port = addr_in6->sin6_port; 2171 2172 } 2173 } 2174 ialp->al_out_cnt++; 2175 } 2176 rw_exit(&isp->sess_conn_list_rwlock); 2177 rw_exit(&ihp->hba_sess_list_rwlock); 2178 2179 rtn = ddi_copyout(ialp, (caddr_t)arg, list_space, mode); 2180 kmem_free(ialp, list_space); 2181 break; 2182 2183 /* 2184 * ISCSI_CHAP_SET - 2185 */ 2186 case ISCSI_CHAP_SET: 2187 chap = (iscsi_chap_props_t *)kmem_zalloc(sizeof (*chap), 2188 KM_SLEEP); 2189 if (ddi_copyin((caddr_t)arg, chap, sizeof (*chap), mode)) { 2190 rtn = EFAULT; 2191 kmem_free(chap, sizeof (*chap)); 2192 break; 2193 } else if (chap->c_vers != ISCSI_INTERFACE_VERSION) { 2194 rtn = EINVAL; 2195 kmem_free(chap, sizeof (*chap)); 2196 break; 2197 } 2198 2199 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 2200 if (chap->c_oid == ihp->hba_oid) 2201 name = ihp->hba_name; 2202 else { 2203 rtn = iscsi_sess_get(chap->c_oid, ihp, &isp); 2204 if (rtn != 0) { 2205 rtn = iscsi_sess_get_by_target( 2206 chap->c_oid, ihp, &isp); 2207 } 2208 2209 /* 2210 * If rtn is zero then we have found an 2211 * existing session. Use the session name to 2212 * do param lookup. If rtn is non-zero then 2213 * create a targetparam object and use its name 2214 * for param lookup. 2215 */ 2216 if (rtn == 0) { 2217 name = isp->sess_name; 2218 } else { 2219 name = 2220 iscsi_targetparam_get_name(chap->c_oid); 2221 rtn = 0; 2222 } 2223 } 2224 2225 if (name == NULL) { 2226 rw_exit( 2227 &ihp->hba_sess_list_rwlock); 2228 rtn = EFAULT; 2229 kmem_free(chap, sizeof (*chap)); 2230 break; 2231 } 2232 2233 if (persistent_chap_set((char *)name, chap) == 2234 B_FALSE) { 2235 rtn = EIO; 2236 } 2237 rw_exit(&ihp->hba_sess_list_rwlock); 2238 kmem_free(chap, sizeof (*chap)); 2239 break; 2240 2241 /* 2242 * ISCSI_CHAP_GET - 2243 */ 2244 case ISCSI_CHAP_GET: 2245 chap = (iscsi_chap_props_t *)kmem_zalloc(sizeof (*chap), 2246 KM_SLEEP); 2247 if (ddi_copyin((caddr_t)arg, chap, sizeof (*chap), mode)) { 2248 kmem_free(chap, sizeof (*chap)); 2249 rtn = EFAULT; 2250 break; 2251 } else if (chap->c_vers != ISCSI_INTERFACE_VERSION) { 2252 kmem_free(chap, sizeof (*chap)); 2253 rtn = EINVAL; 2254 break; 2255 } 2256 2257 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 2258 if (chap->c_oid == ihp->hba_oid) 2259 name = ihp->hba_name; 2260 else { 2261 rtn = iscsi_sess_get(chap->c_oid, ihp, &isp); 2262 if (rtn != 0) { 2263 rtn = iscsi_sess_get_by_target( 2264 chap->c_oid, ihp, &isp); 2265 } 2266 2267 /* 2268 * If rtn is zero then we have found an 2269 * existing session. Use the session name to 2270 * do param lookup. If rtn is non-zero then 2271 * create a targetparam object and use its name 2272 * for param lookup. 2273 */ 2274 if (rtn == 0) { 2275 name = isp->sess_name; 2276 } else { 2277 rtn = 0; 2278 name = 2279 iscsi_targetparam_get_name(chap->c_oid); 2280 } 2281 2282 /* 2283 * Initialize the target-side chap name to the 2284 * session name if no chap settings have been 2285 * saved for the current session. 2286 */ 2287 if (persistent_chap_get((char *)name, 2288 chap) == B_FALSE) { 2289 int name_len = strlen((char *)name); 2290 iscsi_chap_props_t *chap = NULL; 2291 chap = (iscsi_chap_props_t *)kmem_zalloc 2292 (sizeof (iscsi_chap_props_t), KM_SLEEP); 2293 bcopy((char *)name, chap->c_user, name_len); 2294 chap->c_user_len = name_len; 2295 (void) (persistent_chap_set((char *)name, 2296 chap)); 2297 kmem_free(chap, sizeof (*chap)); 2298 } 2299 } 2300 2301 if (name == NULL) { 2302 rw_exit( 2303 &ihp->hba_sess_list_rwlock); 2304 rtn = EFAULT; 2305 break; 2306 } 2307 2308 if (persistent_chap_get((char *)name, chap) == B_FALSE) { 2309 rw_exit(&ihp->hba_sess_list_rwlock); 2310 rtn = EIO; 2311 break; 2312 } 2313 rw_exit(&ihp->hba_sess_list_rwlock); 2314 2315 rtn = ddi_copyout(chap, (caddr_t)arg, sizeof (*chap), mode); 2316 kmem_free(chap, sizeof (*chap)); 2317 break; 2318 2319 /* 2320 * ISCSI_CHAP_CLEAR - 2321 */ 2322 case ISCSI_CHAP_CLEAR: 2323 chap = (iscsi_chap_props_t *)kmem_zalloc(sizeof (*chap), 2324 KM_SLEEP); 2325 if (ddi_copyin((caddr_t)arg, chap, sizeof (*chap), mode)) { 2326 rtn = EFAULT; 2327 kmem_free(chap, sizeof (*chap)); 2328 break; 2329 } else if (chap->c_vers != ISCSI_INTERFACE_VERSION) { 2330 rtn = EINVAL; 2331 kmem_free(chap, sizeof (*chap)); 2332 break; 2333 } 2334 2335 if (chap->c_oid == ihp->hba_oid) { 2336 iscsi_sess_t *sessp; 2337 2338 name = ihp->hba_name; 2339 2340 if (persistent_chap_clear( 2341 (char *)name) == B_FALSE) { 2342 rtn = EIO; 2343 } 2344 2345 /* 2346 * Loop through all sessions and memset their 2347 * (initiator's) passwords 2348 */ 2349 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 2350 for (sessp = ihp->hba_sess_list; sessp; 2351 sessp = sessp->sess_next) { 2352 (void) memset(sessp->sess_auth.password, 2353 0, iscsiAuthStringMaxLength); 2354 sessp->sess_auth.password_length = 0; 2355 } 2356 rw_exit(&ihp->hba_sess_list_rwlock); 2357 2358 } else { 2359 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 2360 /* 2361 * If the oid does represent a session check to see 2362 * if it is a target oid. If so, return the target's 2363 * associated session. 2364 */ 2365 rtn = iscsi_sess_get(chap->c_oid, ihp, &isp); 2366 if (rtn != 0) { 2367 rtn = iscsi_sess_get_by_target(chap->c_oid, 2368 ihp, &isp); 2369 } 2370 2371 rw_exit(&ihp->hba_sess_list_rwlock); 2372 2373 /* 2374 * If rtn is zero then we have found an 2375 * existing session. Use the session name to 2376 * do param lookup. If rtn is non-zero then 2377 * create a targetparam object and use its name 2378 * for param lookup. 2379 */ 2380 if (rtn == 0) { 2381 name = isp->sess_name; 2382 } else { 2383 name = 2384 iscsi_targetparam_get_name(chap->c_oid); 2385 rtn = 0; 2386 } 2387 2388 if (name == NULL) { 2389 rw_exit( 2390 &ihp->hba_sess_list_rwlock); 2391 rtn = EFAULT; 2392 break; 2393 } 2394 2395 if (persistent_chap_clear( 2396 (char *)name) == B_FALSE) { 2397 rtn = EIO; 2398 } 2399 2400 /* 2401 * Clear out session chap password if we found a 2402 * session above. 2403 */ 2404 if (isp != NULL) { 2405 (void) memset(isp->sess_auth.password_in, 2406 0, iscsiAuthStringMaxLength); 2407 isp->sess_auth.password_length_in = 0; 2408 } 2409 2410 } 2411 2412 kmem_free(chap, sizeof (*chap)); 2413 break; 2414 2415 /* 2416 * ISCSI_STATIC_GET - 2417 */ 2418 case ISCSI_STATIC_GET: 2419 ispp = (iscsi_static_property_t *)kmem_alloc( 2420 sizeof (*ispp), KM_SLEEP); 2421 2422 if (ddi_copyin((caddr_t)arg, ispp, sizeof (*ispp), mode)) { 2423 rtn = EFAULT; 2424 kmem_free(ispp, sizeof (*ispp)); 2425 break; 2426 } 2427 2428 if (ispp->p_vers != ISCSI_INTERFACE_VERSION) { 2429 rtn = EINVAL; 2430 kmem_free(ispp, sizeof (*ispp)); 2431 break; 2432 } 2433 2434 { 2435 void *v = NULL; 2436 boolean_t found = B_FALSE; 2437 2438 persistent_static_addr_lock(); 2439 while (persistent_static_addr_next(&v, 2440 (char *)ispp->p_name, &e) == B_TRUE) { 2441 2442 if (ispp->p_oid == e.e_oid) { 2443 /* 2444 * In case there are multiple 2445 * addresses associated with the 2446 * given target OID, pick the first 2447 * one. 2448 */ 2449 iscsi_addr_t *ap; 2450 2451 ap = &(ispp->p_addr_list.al_addrs[0]); 2452 ap->a_port = e.e_port; 2453 ap->a_addr.i_insize = e.e_insize; 2454 bcopy(e.e_u.u_in6.s6_addr, 2455 ap->a_addr.i_addr.in6.s6_addr, 2456 e.e_insize); 2457 ispp->p_name_len = 2458 strlen((char *)ispp->p_name); 2459 ispp->p_addr_list.al_tpgt = e.e_tpgt; 2460 ispp->p_addr_list.al_out_cnt = 1; 2461 2462 found = B_TRUE; 2463 break; 2464 } 2465 } 2466 persistent_static_addr_unlock(); 2467 2468 if (found == B_TRUE) { 2469 rtn = ddi_copyout(ispp, (caddr_t)arg, 2470 sizeof (*ispp), mode); 2471 } else { 2472 rtn = ENOENT; 2473 } 2474 } 2475 kmem_free(ispp, sizeof (*ispp)); 2476 2477 break; 2478 2479 /* 2480 * ISCSI_STATIC_SET - 2481 */ 2482 case ISCSI_STATIC_SET: 2483 target = iscsi_ioctl_copyin((caddr_t)arg, mode, 2484 sizeof (*target)); 2485 if (target == NULL) { 2486 rtn = EFAULT; 2487 break; 2488 } 2489 2490 if (target->te_entry.e_vers != ISCSI_INTERFACE_VERSION) { 2491 kmem_free(target, sizeof (*target)); 2492 rtn = EINVAL; 2493 break; 2494 } 2495 2496 /* Check if the target's already been added */ 2497 { 2498 boolean_t static_target_found = B_FALSE; 2499 void *v = NULL; 2500 2501 name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP); 2502 persistent_static_addr_lock(); 2503 while (persistent_static_addr_next(&v, (char *)name, 2504 &e) == B_TRUE) { 2505 /* 2506 * MC/S - Need to check IP address and port 2507 * number as well when we support MC/S. 2508 */ 2509 if ((strncmp((char *)name, 2510 (char *)target->te_name, 2511 ISCSI_MAX_NAME_LEN) == 0) && 2512 (target->te_entry.e_tpgt == e.e_tpgt) && 2513 (target->te_entry.e_insize == e.e_insize) && 2514 (bcmp(&target->te_entry.e_u, &e.e_u, 2515 e.e_insize) == 0)) { 2516 /* 2517 * We don't allow MC/S for now but 2518 * we do allow adding the same target 2519 * with different TPGTs (hence, 2520 * different sessions). 2521 */ 2522 static_target_found = B_TRUE; 2523 break; 2524 } 2525 } 2526 persistent_static_addr_unlock(); 2527 kmem_free(name, ISCSI_MAX_NAME_LEN); 2528 2529 if (static_target_found == B_TRUE) { 2530 /* Duplicate entry */ 2531 kmem_free(target, sizeof (*target)); 2532 rtn = EEXIST; 2533 break; 2534 } 2535 } 2536 2537 if (target->te_entry.e_oid == ISCSI_OID_NOTSET) { 2538 mutex_enter(&iscsi_oid_mutex); 2539 target->te_entry.e_oid = iscsi_oid++; 2540 mutex_exit(&iscsi_oid_mutex); 2541 } 2542 2543 persistent_static_addr_lock(); 2544 if (persistent_static_addr_set((char *)target->te_name, 2545 &target->te_entry) == B_FALSE) { 2546 persistent_static_addr_unlock(); 2547 kmem_free(target, sizeof (*target)); 2548 rtn = EIO; 2549 break; 2550 } 2551 persistent_static_addr_unlock(); 2552 2553 /* 2554 * If Static Targets discovery is enabled, then add 2555 * target to discovery queue. Otherwise, just create 2556 * the session for potential future use. 2557 */ 2558 method = persistent_disc_meth_get(); 2559 if (method & iSCSIDiscoveryMethodStatic) { 2560 iscsid_poke_discovery(ihp, iSCSIDiscoveryMethodStatic); 2561 (void) iscsid_login_tgt(ihp, (char *)target->te_name, 2562 iSCSIDiscoveryMethodStatic, NULL); 2563 } 2564 2565 rtn = iscsi_ioctl_copyout(target, sizeof (*target), 2566 (caddr_t)arg, mode); 2567 break; 2568 2569 /* 2570 * ISCSI_STATIC_CLEAR - 2571 */ 2572 case ISCSI_STATIC_CLEAR: 2573 if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) { 2574 rtn = EFAULT; 2575 break; 2576 } else if (e.e_vers != ISCSI_INTERFACE_VERSION) { 2577 rtn = EINVAL; 2578 break; 2579 } 2580 2581 { 2582 boolean_t found = B_FALSE; 2583 void *v = NULL; 2584 entry_t tmp_e; 2585 char *name = NULL; 2586 2587 name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP); 2588 2589 /* Find name for matching static_tgt oid */ 2590 persistent_static_addr_lock(); 2591 while (persistent_static_addr_next(&v, 2592 (char *)name, &tmp_e) == B_TRUE) { 2593 if (e.e_oid == tmp_e.e_oid) { 2594 found = B_TRUE; 2595 break; 2596 } 2597 } 2598 2599 /* If static_tgt found logout and remove it */ 2600 if (found == B_TRUE) { 2601 2602 iscsid_addr_to_sockaddr(tmp_e.e_insize, 2603 &tmp_e.e_u, tmp_e.e_port, &addr_dsc.sin); 2604 2605 /* Attempt to logout of target */ 2606 if (iscsid_del(ihp, (char *)name, 2607 iSCSIDiscoveryMethodStatic, &addr_dsc.sin) 2608 == B_TRUE) { 2609 persistent_static_addr_unlock(); 2610 2611 /* remove from persistent store */ 2612 if (persistent_static_addr_clear( 2613 e.e_oid) == B_FALSE) { 2614 rtn = EIO; 2615 } 2616 2617 iscsid_poke_discovery(ihp, 2618 iSCSIDiscoveryMethodStatic); 2619 (void) iscsid_login_tgt(ihp, 2620 (char *)name, 2621 iSCSIDiscoveryMethodStatic, 2622 NULL); 2623 2624 } else { 2625 persistent_static_addr_unlock(); 2626 rtn = EBUSY; 2627 } 2628 } else { 2629 persistent_static_addr_unlock(); 2630 rtn = EIO; 2631 } 2632 kmem_free(name, ISCSI_MAX_NAME_LEN); 2633 } 2634 break; 2635 2636 /* 2637 * ISCSI_ISNS_SERVER_ADDR_SET: 2638 */ 2639 case ISCSI_ISNS_SERVER_ADDR_SET: 2640 if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) { 2641 rtn = EFAULT; 2642 break; 2643 } else if (e.e_vers != ISCSI_INTERFACE_VERSION) { 2644 rtn = EINVAL; 2645 break; 2646 } 2647 2648 if (persistent_isns_addr_set(&e) == B_FALSE) { 2649 rtn = EIO; 2650 break; 2651 } 2652 2653 /* 2654 * If iSNS server discovery is enabled, then kickoff 2655 * discovery of the targets advertised by the recently 2656 * added iSNS server address. 2657 */ 2658 method = persistent_disc_meth_get(); 2659 if (method & iSCSIDiscoveryMethodISNS) { 2660 initiator_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, 2661 KM_SLEEP); 2662 if (persistent_initiator_name_get(initiator_node_name, 2663 ISCSI_MAX_NAME_LEN) != B_TRUE) { 2664 kmem_free(initiator_node_name, 2665 ISCSI_MAX_NAME_LEN); 2666 initiator_node_name = NULL; 2667 rtn = EIO; 2668 break; 2669 } 2670 if (strlen(initiator_node_name) == 0) { 2671 kmem_free(initiator_node_name, 2672 ISCSI_MAX_NAME_LEN); 2673 initiator_node_name = NULL; 2674 rtn = EIO; 2675 break; 2676 } 2677 2678 initiator_node_alias = kmem_zalloc(ISCSI_MAX_NAME_LEN, 2679 KM_SLEEP); 2680 if (persistent_alias_name_get(initiator_node_alias, 2681 ISCSI_MAX_NAME_LEN) != B_TRUE) { 2682 initiator_node_alias[0] = '\0'; 2683 } 2684 2685 /* 2686 * Register this initiator node against this iSNS 2687 * server. 2688 */ 2689 (void) isns_reg_one_server(&e, ihp->hba_isid, 2690 (uint8_t *)initiator_node_name, 2691 ISCSI_MAX_NAME_LEN, 2692 (uint8_t *)initiator_node_alias, 2693 ISCSI_MAX_NAME_LEN, 2694 ISNS_INITIATOR_NODE_TYPE, 2695 isns_scn_callback); 2696 2697 iscsid_do_isns_query_one_server(ihp, &e); 2698 2699 iscsid_addr_to_sockaddr(e.e_insize, 2700 &e.e_u, e.e_port, &addr_dsc.sin); 2701 2702 (void) iscsid_login_tgt(ihp, NULL, 2703 iSCSIDiscoveryMethodISNS, 2704 &addr_dsc.sin); 2705 2706 /* Done using the name and alias - free them. */ 2707 kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN); 2708 initiator_node_name = NULL; 2709 kmem_free(initiator_node_alias, ISCSI_MAX_NAME_LEN); 2710 initiator_node_alias = NULL; 2711 } 2712 break; 2713 2714 /* 2715 * ISCSI_DISCOVERY_ADDR_SET: 2716 */ 2717 case ISCSI_DISCOVERY_ADDR_SET: 2718 if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) { 2719 rtn = EFAULT; 2720 break; 2721 } else if (e.e_vers != ISCSI_INTERFACE_VERSION) { 2722 rtn = EINVAL; 2723 break; 2724 } 2725 2726 if (e.e_oid == ISCSI_OID_NOTSET) { 2727 mutex_enter(&iscsi_oid_mutex); 2728 e.e_oid = iscsi_oid++; 2729 mutex_exit(&iscsi_oid_mutex); 2730 } 2731 2732 if (persistent_disc_addr_set(&e) == B_FALSE) { 2733 rtn = EIO; 2734 break; 2735 } 2736 2737 /* 2738 * If Send Targets discovery is enabled, then kickoff 2739 * discovery of the targets advertised by the recently 2740 * added discovery address. 2741 */ 2742 method = persistent_disc_meth_get(); 2743 if (method & iSCSIDiscoveryMethodSendTargets) { 2744 2745 iscsid_addr_to_sockaddr(e.e_insize, 2746 &e.e_u, e.e_port, &addr_dsc.sin); 2747 iscsid_do_sendtgts(&e); 2748 (void) iscsid_login_tgt(ihp, NULL, 2749 iSCSIDiscoveryMethodSendTargets, 2750 &addr_dsc.sin); 2751 2752 } 2753 break; 2754 2755 /* 2756 * ISCSI_DISCOVERY_ADDR_LIST_GET 2757 */ 2758 case ISCSI_DISCOVERY_ADDR_LIST_GET: 2759 /* copyin user args */ 2760 if (ddi_copyin((caddr_t)arg, &ial, sizeof (ial), mode)) { 2761 rtn = EFAULT; 2762 break; 2763 } 2764 2765 if (ial.al_vers != ISCSI_INTERFACE_VERSION) { 2766 rtn = EINVAL; 2767 break; 2768 } 2769 2770 list_space = sizeof (iscsi_addr_list_t); 2771 if (ial.al_in_cnt != 0) { 2772 list_space += (sizeof (iscsi_addr_t) * 2773 (ial.al_in_cnt - 1)); 2774 } 2775 2776 ialp = kmem_zalloc(list_space, KM_SLEEP); 2777 bcopy(&ial, ialp, sizeof (iscsi_addr_list_t)); 2778 2779 void_p = NULL; 2780 ialp->al_out_cnt = 0; 2781 persistent_disc_addr_lock(); 2782 while (persistent_disc_addr_next(&void_p, &e) == B_TRUE) { 2783 if (ialp->al_out_cnt < ialp->al_in_cnt) { 2784 int i = ialp->al_out_cnt; 2785 iscsi_addr_t *addr = &ialp->al_addrs[i]; 2786 2787 addr->a_port = e.e_port; 2788 addr->a_addr.i_insize = e.e_insize; 2789 addr->a_oid = e.e_oid; 2790 2791 if (e.e_insize == sizeof (struct in_addr)) { 2792 /* IPv4 */ 2793 addr->a_addr.i_addr.in4.s_addr = 2794 e.e_u.u_in4.s_addr; 2795 } else if (e.e_insize == 2796 sizeof (struct in6_addr)) { 2797 /* IPv6 */ 2798 bcopy(e.e_u.u_in6.s6_addr, 2799 addr->a_addr.i_addr.in6.s6_addr, 2800 16); 2801 } 2802 } 2803 ialp->al_out_cnt++; 2804 } 2805 persistent_disc_addr_unlock(); 2806 2807 rtn = ddi_copyout(ialp, (caddr_t)arg, list_space, mode); 2808 kmem_free(ialp, list_space); 2809 break; 2810 2811 /* 2812 * ISCSI_ISNS_SERVER_ADDR_LIST_GET 2813 */ 2814 case ISCSI_ISNS_SERVER_ADDR_LIST_GET: 2815 /* copyin user args */ 2816 if (ddi_copyin((caddr_t)arg, &ial, sizeof (ial), mode)) { 2817 rtn = EFAULT; 2818 break; 2819 } 2820 2821 if (ial.al_vers != ISCSI_INTERFACE_VERSION) { 2822 rtn = EINVAL; 2823 break; 2824 } 2825 2826 list_space = sizeof (iscsi_addr_list_t); 2827 if (ial.al_in_cnt != 0) { 2828 list_space += (sizeof (iscsi_addr_t) * 2829 (ial.al_in_cnt - 1)); 2830 } 2831 2832 ialp = kmem_zalloc(list_space, KM_SLEEP); 2833 bcopy(&ial, ialp, sizeof (iscsi_addr_list_t)); 2834 2835 void_p = NULL; 2836 ialp->al_out_cnt = 0; 2837 persistent_isns_addr_lock(); 2838 while (persistent_isns_addr_next(&void_p, &e) == B_TRUE) { 2839 if (ialp->al_out_cnt < ialp->al_in_cnt) { 2840 int i = ialp->al_out_cnt; 2841 iscsi_addr_t *addr = &ialp->al_addrs[i]; 2842 2843 addr->a_port = e.e_port; 2844 addr->a_addr.i_insize = e.e_insize; 2845 if (e.e_insize == sizeof (struct in_addr)) { 2846 /* IPv4 */ 2847 addr->a_addr.i_addr.in4.s_addr = 2848 e.e_u.u_in4.s_addr; 2849 } else if (e.e_insize == 2850 sizeof (struct in6_addr)) { 2851 /* IPv6 */ 2852 bcopy(e.e_u.u_in6.s6_addr, 2853 addr->a_addr.i_addr.in6.s6_addr, 2854 16); 2855 } 2856 } 2857 ialp->al_out_cnt++; 2858 } 2859 persistent_isns_addr_unlock(); 2860 2861 rtn = ddi_copyout(ialp, (caddr_t)arg, list_space, mode); 2862 kmem_free(ialp, list_space); 2863 break; 2864 2865 /* 2866 * ISCSI_DISCOVERY_ADDR_CLEAR: 2867 */ 2868 case ISCSI_DISCOVERY_ADDR_CLEAR: 2869 if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) { 2870 rtn = EFAULT; 2871 break; 2872 } else if (e.e_vers != ISCSI_INTERFACE_VERSION) { 2873 rtn = EINVAL; 2874 break; 2875 } 2876 2877 iscsid_addr_to_sockaddr(e.e_insize, 2878 &e.e_u, e.e_port, &addr_dsc.sin); 2879 2880 /* Attempt to logout of associated targets */ 2881 if (iscsid_del(ihp, NULL, 2882 iSCSIDiscoveryMethodSendTargets, &addr_dsc.sin) == 2883 B_TRUE) { 2884 /* Logout successful remove disc. addr. */ 2885 if (persistent_disc_addr_clear(&e) == B_FALSE) { 2886 rtn = EIO; 2887 } 2888 } else { 2889 rtn = EBUSY; 2890 } 2891 break; 2892 2893 /* 2894 * ISCSI_ISNS_SERVER_CLEAR: 2895 */ 2896 case ISCSI_ISNS_SERVER_ADDR_CLEAR: 2897 if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) { 2898 rtn = EFAULT; 2899 break; 2900 } else if (e.e_vers != ISCSI_INTERFACE_VERSION) { 2901 rtn = EINVAL; 2902 break; 2903 } 2904 2905 iscsid_addr_to_sockaddr(e.e_insize, 2906 &e.e_u, e.e_port, &addr_dsc.sin); 2907 2908 /* Attempt logout of associated targets */ 2909 if (iscsid_del(ihp, NULL, iSCSIDiscoveryMethodISNS, 2910 &addr_dsc.sin) == B_TRUE) { 2911 /* Logout successful */ 2912 2913 if (persistent_isns_addr_clear(&e) == B_FALSE) { 2914 rtn = EIO; 2915 break; 2916 } 2917 2918 method = persistent_disc_meth_get(); 2919 if (method & iSCSIDiscoveryMethodISNS) { 2920 boolean_t is_last_isns_server_b = 2921 B_FALSE; 2922 int isns_server_count = 0; 2923 void *void_p = NULL; 2924 2925 /* 2926 * Check if the last iSNS server's been 2927 * removed. 2928 */ 2929 { 2930 entry_t tmp_e; 2931 persistent_isns_addr_lock(); 2932 while (persistent_isns_addr_next( 2933 &void_p, &tmp_e) == B_TRUE) { 2934 isns_server_count++; 2935 } 2936 } 2937 persistent_isns_addr_unlock(); 2938 if (isns_server_count == 0) { 2939 is_last_isns_server_b = B_TRUE; 2940 } 2941 2942 /* 2943 * Deregister this node from this iSNS 2944 * server. 2945 */ 2946 initiator_node_name = kmem_zalloc( 2947 ISCSI_MAX_NAME_LEN, KM_SLEEP); 2948 if (persistent_initiator_name_get( 2949 initiator_node_name, 2950 ISCSI_MAX_NAME_LEN) == B_TRUE) { 2951 2952 if (strlen(initiator_node_name) > 0) { 2953 (void) isns_dereg_one_server( 2954 &e, (uint8_t *) 2955 initiator_node_name, 2956 is_last_isns_server_b); 2957 } 2958 } 2959 kmem_free(initiator_node_name, 2960 ISCSI_MAX_NAME_LEN); 2961 initiator_node_name = NULL; 2962 } 2963 } else { 2964 rtn = EBUSY; 2965 } 2966 break; 2967 2968 /* 2969 * ISCSI_DISCOVERY_SET - 2970 */ 2971 case ISCSI_DISCOVERY_SET: 2972 if (ddi_copyin((caddr_t)arg, &method, sizeof (method), mode)) { 2973 rtn = EFAULT; 2974 break; 2975 } 2976 2977 if (persistent_disc_meth_set(method) == B_FALSE) { 2978 rtn = EIO; 2979 } else { 2980 (void) iscsid_enable_discovery(ihp, method, B_FALSE); 2981 iscsid_poke_discovery(ihp, method); 2982 (void) iscsid_login_tgt(ihp, NULL, method, NULL); 2983 } 2984 break; 2985 2986 /* 2987 * ISCSI_DISCOVERY_GET - 2988 */ 2989 case ISCSI_DISCOVERY_GET: 2990 method = persistent_disc_meth_get(); 2991 rtn = ddi_copyout(&method, (caddr_t)arg, 2992 sizeof (method), mode); 2993 break; 2994 2995 /* 2996 * ISCSI_DISCOVERY_CLEAR - 2997 */ 2998 case ISCSI_DISCOVERY_CLEAR: 2999 if (ddi_copyin((caddr_t)arg, &method, sizeof (method), mode)) { 3000 rtn = EFAULT; 3001 break; 3002 } 3003 3004 /* Attempt to logout of all associated targets first */ 3005 if (iscsid_disable_discovery(ihp, method) == B_FALSE) { 3006 rtn = EBUSY; 3007 break; 3008 } 3009 3010 /* 3011 * Successfully logged out of targets, Update 3012 * Persistent store. 3013 */ 3014 if (persistent_disc_meth_clear(method) == B_FALSE) { 3015 rtn = EIO; 3016 break; 3017 } 3018 break; 3019 3020 /* 3021 * ISCSI_DISCOVERY_PROPS - 3022 */ 3023 case ISCSI_DISCOVERY_PROPS: 3024 iscsid_props(&discovery_props); 3025 if (ddi_copyout(&discovery_props, (caddr_t)arg, 3026 sizeof (discovery_props), mode)) 3027 rtn = EFAULT; 3028 break; 3029 3030 /* 3031 * ISCSI_LUN_OID_LIST -- 3032 */ 3033 case ISCSI_LUN_OID_LIST_GET: 3034 ll = (iscsi_lun_list_t *)kmem_alloc(sizeof (*ll), KM_SLEEP); 3035 if (ddi_copyin((caddr_t)arg, ll, sizeof (*ll), mode)) { 3036 rtn = EFAULT; 3037 kmem_free(ll, sizeof (*ll)); 3038 break; 3039 } 3040 3041 if (ll->ll_vers != ISCSI_INTERFACE_VERSION) { 3042 rtn = EINVAL; 3043 kmem_free(ll, sizeof (*ll)); 3044 break; 3045 } 3046 3047 /* 3048 * Find out how much space the user has allocated in their 3049 * structure. Match the same space for our structure. 3050 */ 3051 lun_sz = sizeof (iscsi_lun_list_t); 3052 if (ll->ll_in_cnt > 0) { 3053 lun_sz += (ll->ll_in_cnt - 1) * sizeof (iscsi_if_lun_t); 3054 } 3055 3056 llp = kmem_zalloc(lun_sz, KM_SLEEP); 3057 bcopy(ll, llp, sizeof (*ll)); 3058 kmem_free(ll, sizeof (*ll)); 3059 3060 /* 3061 * Check to see if oid references a target-param oid. If so, 3062 * find the associated session oid before getting lu list. 3063 */ 3064 if (iscsi_targetparam_get_name(llp->ll_tgt_oid) != NULL) { 3065 for (isp = ihp->hba_sess_list; isp; 3066 isp = isp->sess_next) { 3067 if (isp->sess_target_oid == llp->ll_tgt_oid) { 3068 target_oid = isp->sess_oid; 3069 break; 3070 } 3071 } 3072 } else { 3073 target_oid = llp->ll_tgt_oid; 3074 } 3075 3076 3077 /* 3078 * Look at the LUNs attached to the specified target. If there 3079 * is space in the user structure save that information locally. 3080 * Always add up the count to the total. By always adding 3081 * the count this code can be used if ll_in_cnt == 0 and 3082 * the user just wishes to know the appropriate size to 3083 * allocate. 3084 */ 3085 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 3086 for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) { 3087 if ((llp->ll_all_tgts == B_FALSE) && 3088 (isp->sess_oid != target_oid)) { 3089 continue; 3090 } 3091 rw_enter(&isp->sess_lun_list_rwlock, RW_READER); 3092 for (ilp = isp->sess_lun_list; ilp; 3093 ilp = ilp->lun_next) { 3094 if (ilp->lun_state == 3095 ISCSI_LUN_STATE_ONLINE) { 3096 if (llp->ll_out_cnt < 3097 llp->ll_in_cnt) { 3098 iscsi_if_lun_t *lp; 3099 lp = &llp->ll_luns[ 3100 llp->ll_out_cnt]; 3101 3102 lp->l_tgt_oid = 3103 isp->sess_oid; 3104 lp->l_oid = ilp->lun_oid; 3105 lp->l_num = ilp->lun_num; 3106 } 3107 llp->ll_out_cnt++; 3108 } 3109 } 3110 rw_exit(&isp->sess_lun_list_rwlock); 3111 } 3112 rw_exit(&ihp->hba_sess_list_rwlock); 3113 3114 if (ddi_copyout(llp, (caddr_t)arg, lun_sz, mode)) { 3115 rtn = EFAULT; 3116 } 3117 3118 kmem_free(llp, lun_sz); 3119 break; 3120 3121 /* 3122 * ISCSI_LUN_PROPS_GET -- 3123 */ 3124 case ISCSI_LUN_PROPS_GET: 3125 lun = (iscsi_lun_props_t *)kmem_zalloc(sizeof (*lun), KM_SLEEP); 3126 if (ddi_copyin((caddr_t)arg, lun, sizeof (*lun), mode)) { 3127 rtn = EFAULT; 3128 kmem_free(lun, sizeof (*lun)); 3129 break; 3130 } 3131 3132 if (lun->lp_vers != ISCSI_INTERFACE_VERSION) { 3133 rtn = EINVAL; 3134 kmem_free(lun, sizeof (*lun)); 3135 break; 3136 } 3137 3138 /* 3139 * For the target specified, find the LUN specified and 3140 * return its properties 3141 */ 3142 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 3143 rtn = iscsi_sess_get(lun->lp_tgt_oid, ihp, &isp); 3144 if (rtn != 0) { 3145 rw_exit(&ihp->hba_sess_list_rwlock); 3146 rtn = EFAULT; 3147 kmem_free(lun, sizeof (*lun)); 3148 break; 3149 } 3150 rtn = EINVAL; /* Set bad rtn, correct only if found */ 3151 rw_enter(&isp->sess_lun_list_rwlock, RW_READER); 3152 for (ilp = isp->sess_lun_list; ilp; ilp = ilp->lun_next) { 3153 if (ilp->lun_oid == lun->lp_oid) { 3154 lun->lp_num = ilp->lun_num; 3155 lun->lp_status = LunValid; 3156 lun->lp_time_online = ilp->lun_time_online; 3157 3158 if (ilp->lun_pip != NULL) { 3159 lun_dip = mdi_pi_get_client( 3160 ilp->lun_pip); 3161 } else { 3162 lun_dip = ilp->lun_dip; 3163 } 3164 3165 if (lun_dip != NULL && 3166 i_ddi_devi_attached(lun_dip)) { 3167 (void) ddi_pathname(lun_dip, 3168 lun->lp_pathname); 3169 } else { 3170 /* 3171 * The LUN is not exported to the 3172 * OS yet. It is in the process 3173 * of being added. 3174 */ 3175 lun->lp_status = LunDoesNotExist; 3176 } 3177 bcopy(ilp->lun_vid, lun->lp_vid, 3178 sizeof (lun->lp_vid)); 3179 bcopy(ilp->lun_pid, lun->lp_pid, 3180 sizeof (lun->lp_pid)); 3181 rtn = ddi_copyout(lun, (caddr_t)arg, 3182 sizeof (*lun), mode); 3183 if (rtn == -1) { 3184 rtn = EFAULT; 3185 } 3186 break; 3187 } 3188 } 3189 rw_exit(&isp->sess_lun_list_rwlock); 3190 rw_exit(&ihp->hba_sess_list_rwlock); 3191 3192 kmem_free(lun, sizeof (*lun)); 3193 break; 3194 3195 /* 3196 * ISCSI_CONN_OID_LIST_GET -- 3197 */ 3198 #define ISCSIIOCOLGC iscsi_ioctl_conn_oid_list_get_copyout 3199 case ISCSI_CONN_OID_LIST_GET: 3200 { 3201 iscsi_conn_list_t *cl; 3202 3203 /* Asuume the worst */ 3204 rtn = EFAULT; 3205 3206 /* Copy the input argument into kernel world. */ 3207 cl = iscsi_ioctl_conn_oid_list_get_copyin( 3208 (caddr_t)arg, 3209 mode); 3210 if (cl != NULL) { 3211 if (iscsi_ioctl_conn_oid_list_get(ihp, cl) == 3212 B_TRUE) { 3213 rtn = 3214 ISCSIIOCOLGC( 3215 cl, (caddr_t)arg, mode); 3216 } 3217 } 3218 break; 3219 } 3220 #undef ISCSIIOCOLGC 3221 /* 3222 * ISCSI_CONN_OID_LIST_GET -- 3223 */ 3224 case ISCSI_CONN_PROPS_GET: 3225 { 3226 iscsi_conn_props_t *cp; 3227 3228 /* Asuume the worst */ 3229 rtn = EFAULT; 3230 3231 /* Copy the input argument into kernel world. */ 3232 cp = iscsi_ioctl_copyin( 3233 (caddr_t)arg, 3234 mode, 3235 sizeof (iscsi_conn_props_t)); 3236 3237 if (cp != NULL) { 3238 /* Get the propereties. */ 3239 if (iscsi_ioctl_conn_props_get(ihp, cp) == 3240 B_TRUE) { 3241 rtn = 3242 iscsi_ioctl_copyout( 3243 cp, 3244 sizeof (*cp), 3245 (caddr_t)arg, 3246 mode); 3247 } 3248 } 3249 break; 3250 } 3251 3252 /* 3253 * ISCSI_RADIUS_GET - 3254 */ 3255 case ISCSI_RADIUS_GET: 3256 { 3257 iscsi_nvfile_status_t status; 3258 3259 radius = (iscsi_radius_props_t *)kmem_zalloc(sizeof (*radius), 3260 KM_SLEEP); 3261 if (ddi_copyin((caddr_t)arg, radius, sizeof (*radius), mode)) { 3262 kmem_free(radius, sizeof (*radius)); 3263 rtn = EFAULT; 3264 break; 3265 } else if (radius->r_vers != ISCSI_INTERFACE_VERSION) { 3266 kmem_free(radius, sizeof (*radius)); 3267 rtn = EINVAL; 3268 break; 3269 } 3270 3271 old_oid = radius->r_oid; 3272 3273 if (radius->r_oid == ihp->hba_oid) { 3274 name = ihp->hba_name; 3275 } else { 3276 /* 3277 * RADIUS configuration should be done on a per 3278 * initiator basis. 3279 */ 3280 kmem_free(radius, sizeof (*radius)); 3281 rtn = EINVAL; 3282 break; 3283 } 3284 3285 status = persistent_radius_get(radius); 3286 if (status == ISCSI_NVFILE_SUCCESS) { 3287 /* 3288 * Restore the value for overridden (and bogus) oid. 3289 */ 3290 radius->r_oid = old_oid; 3291 rtn = ddi_copyout(radius, (caddr_t)arg, 3292 sizeof (*radius), mode); 3293 } else if (status == ISCSI_NVFILE_NAMEVAL_NOT_FOUND) { 3294 rtn = ENOENT; 3295 } else { 3296 rtn = EIO; 3297 } 3298 kmem_free(radius, sizeof (*radius)); 3299 break; 3300 } 3301 3302 /* 3303 * ISCSI_RADIUS_SET - 3304 */ 3305 case ISCSI_RADIUS_SET: 3306 radius = (iscsi_radius_props_t *)kmem_zalloc(sizeof (*radius), 3307 KM_SLEEP); 3308 if (ddi_copyin((caddr_t)arg, radius, sizeof (*radius), mode)) { 3309 rtn = EFAULT; 3310 kmem_free(radius, sizeof (*radius)); 3311 break; 3312 } else if (radius->r_vers != ISCSI_INTERFACE_VERSION) { 3313 rtn = EINVAL; 3314 kmem_free(radius, sizeof (*radius)); 3315 break; 3316 } 3317 3318 if (radius->r_oid == ihp->hba_oid) { 3319 name = ihp->hba_name; 3320 } else { 3321 /* 3322 * RADIUS configuration should be done on a per 3323 * initiator basis. 3324 */ 3325 kmem_free(radius, sizeof (*radius)); 3326 rtn = EINVAL; 3327 break; 3328 } 3329 3330 if (persistent_radius_set(radius) == B_FALSE) { 3331 rtn = EIO; 3332 } 3333 3334 kmem_free(radius, sizeof (*radius)); 3335 break; 3336 3337 /* 3338 * ISCSI_AUTH_GET - 3339 */ 3340 case ISCSI_AUTH_GET: 3341 auth = (iscsi_auth_props_t *)kmem_zalloc(sizeof (*auth), 3342 KM_SLEEP); 3343 if (ddi_copyin((caddr_t)arg, auth, sizeof (*auth), mode)) { 3344 kmem_free(auth, sizeof (*auth)); 3345 rtn = EFAULT; 3346 break; 3347 } else if (auth->a_vers != ISCSI_INTERFACE_VERSION) { 3348 kmem_free(auth, sizeof (*auth)); 3349 rtn = EINVAL; 3350 break; 3351 } 3352 3353 old_oid = auth->a_oid; 3354 3355 if (auth->a_oid == ihp->hba_oid) { 3356 name = ihp->hba_name; 3357 } else { 3358 3359 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 3360 /* 3361 * If the oid does represent a session check to see 3362 * if it is a target oid. If so, return the target's 3363 * associated session. 3364 */ 3365 rtn = iscsi_sess_get(auth->a_oid, ihp, &isp); 3366 if (rtn != 0) { 3367 rtn = iscsi_sess_get_by_target(auth->a_oid, 3368 ihp, &isp); 3369 } 3370 rw_exit(&ihp->hba_sess_list_rwlock); 3371 3372 /* 3373 * If rtn is zero then we have found an 3374 * existing session. Use the session name to 3375 * do param lookup. If rtn is non-zero then 3376 * create a targetparam object and use its name 3377 * for param lookup. 3378 */ 3379 if (rtn == 0) { 3380 name = isp->sess_name; 3381 } else { 3382 name = 3383 iscsi_targetparam_get_name(auth->a_oid); 3384 } 3385 } 3386 3387 if (name == NULL) { 3388 rw_exit( 3389 &ihp->hba_sess_list_rwlock); 3390 rtn = EFAULT; 3391 break; 3392 } 3393 3394 if (persistent_auth_get((char *)name, auth) == B_TRUE) { 3395 /* 3396 * Restore the value for overridden (and bogus) oid. 3397 */ 3398 auth->a_oid = old_oid; 3399 rtn = ddi_copyout(auth, (caddr_t)arg, 3400 sizeof (*auth), mode); 3401 } else { 3402 rtn = EIO; 3403 } 3404 3405 kmem_free(auth, sizeof (*auth)); 3406 break; 3407 3408 /* 3409 * ISCSI_AUTH_SET - 3410 */ 3411 case ISCSI_AUTH_SET: 3412 auth = (iscsi_auth_props_t *)kmem_zalloc(sizeof (*auth), 3413 KM_SLEEP); 3414 if (ddi_copyin((caddr_t)arg, auth, sizeof (*auth), mode)) { 3415 kmem_free(auth, sizeof (*auth)); 3416 rtn = EFAULT; 3417 break; 3418 } else if (auth->a_vers != ISCSI_INTERFACE_VERSION) { 3419 kmem_free(auth, sizeof (*auth)); 3420 rtn = EINVAL; 3421 break; 3422 } 3423 3424 if (auth->a_oid == ihp->hba_oid) { 3425 name = ihp->hba_name; 3426 } else { 3427 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 3428 /* 3429 * If the oid does represent a session check to see 3430 * if it is a target oid. If so, return the target's 3431 * associated session. 3432 */ 3433 rtn = iscsi_sess_get(auth->a_oid, ihp, &isp); 3434 if (rtn != 0) { 3435 rtn = iscsi_sess_get_by_target(auth->a_oid, 3436 ihp, &isp); 3437 } 3438 rw_exit(&ihp->hba_sess_list_rwlock); 3439 3440 /* 3441 * If rtn is zero then we have found an 3442 * existing session. Use the session name to 3443 * do param lookup. If rtn is non-zero then 3444 * create a targetparam object and use its name 3445 * for param lookup. 3446 */ 3447 if (rtn == 0) { 3448 name = isp->sess_name; 3449 } else { 3450 name = 3451 iscsi_targetparam_get_name(auth->a_oid); 3452 rtn = 0; 3453 } 3454 } 3455 3456 if (persistent_auth_set((char *)name, auth) == B_FALSE) { 3457 rtn = EIO; 3458 } 3459 3460 kmem_free(auth, sizeof (*auth)); 3461 break; 3462 3463 /* 3464 * ISCSI_AUTH_CLEAR - 3465 */ 3466 case ISCSI_AUTH_CLEAR: 3467 auth = (iscsi_auth_props_t *)kmem_alloc(sizeof (*auth), 3468 KM_SLEEP); 3469 if (ddi_copyin((caddr_t)arg, auth, sizeof (*auth), mode)) { 3470 kmem_free(auth, sizeof (*auth)); 3471 rtn = EFAULT; 3472 break; 3473 } else if (auth->a_vers != ISCSI_INTERFACE_VERSION) { 3474 kmem_free(auth, sizeof (*auth)); 3475 rtn = EINVAL; 3476 break; 3477 } 3478 3479 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 3480 /* 3481 * If the oid does represent a session check to see 3482 * if it is a target oid. If so, return the target's 3483 * associated session. 3484 */ 3485 rtn = iscsi_sess_get(auth->a_oid, ihp, &isp); 3486 if (rtn != 0) { 3487 rtn = iscsi_sess_get_by_target(auth->a_oid, ihp, &isp); 3488 } 3489 rw_exit(&ihp->hba_sess_list_rwlock); 3490 3491 /* 3492 * If rtn is zero then we have found an 3493 * existing session. Use the session name to 3494 * do param lookup. If rtn is non-zero then 3495 * create a targetparam object and use its name 3496 * for param lookup. 3497 */ 3498 if (rtn == 0) { 3499 name = isp->sess_name; 3500 } else { 3501 name = 3502 iscsi_targetparam_get_name(auth->a_oid); 3503 rtn = 0; 3504 discovered = B_FALSE; 3505 } 3506 3507 if (name == NULL) { 3508 rw_exit( 3509 &ihp->hba_sess_list_rwlock); 3510 rtn = EFAULT; 3511 break; 3512 } 3513 3514 if (persistent_auth_clear((char *)name) == B_FALSE) { 3515 rtn = EIO; 3516 } 3517 3518 /* 3519 * ISCSI_TARGET_PARAM_CLEAR, ISCSI_CHAP_CLEAR and 3520 * ISCSI_AUTH_CLEAR ioctl are called sequentially to remove 3521 * target parameters. Here, the target that is not discovered 3522 * by initiator should be removed from the iscsi_targets list 3523 * residing in the memory. 3524 */ 3525 if (discovered == B_FALSE) { 3526 (void) iscsi_targetparam_remove_target(auth->a_oid); 3527 } 3528 3529 kmem_free(auth, sizeof (*auth)); 3530 break; 3531 3532 /* 3533 * ISCSI_DB_RELOAD - 3534 */ 3535 case ISCSI_DB_RELOAD: 3536 /* ---- database will be closed and reread ---- */ 3537 if (iscsid_init(ihp, B_TRUE) == B_FALSE) { 3538 rtn = EFAULT; 3539 } 3540 break; 3541 3542 /* 3543 * ISCSI_DB_DUMP - 3544 */ 3545 case ISCSI_DB_DUMP: 3546 persistent_dump_data(); 3547 break; 3548 3549 case ISCSI_USCSI: 3550 3551 #ifdef _MULTI_DATAMODEL 3552 model = ddi_model_convert_from(mode & FMODELS); 3553 switch (model) { 3554 case DDI_MODEL_ILP32: 3555 3556 if (ddi_copyin((caddr_t)arg, &iu32_caller, 3557 sizeof (iscsi_uscsi32_t), mode)) { 3558 rtn = EFAULT; 3559 break; 3560 } 3561 3562 /* perform conversion from 32 -> 64 */ 3563 iu_caller.iu_vers = iu32_caller.iu_vers; 3564 iu_caller.iu_oid = iu32_caller.iu_oid; 3565 iu_caller.iu_tpgt = iu32_caller.iu_tpgt; 3566 iu_caller.iu_len = iu32_caller.iu_len; 3567 iu_caller.iu_lun = iu32_caller.iu_lun; 3568 uscsi_cmd32touscsi_cmd((&iu32_caller.iu_ucmd), 3569 (&iu_caller.iu_ucmd)); 3570 3571 break; 3572 case DDI_MODEL_NONE: 3573 if (ddi_copyin((caddr_t)arg, &iu_caller, 3574 sizeof (iscsi_uscsi_t), mode)) { 3575 rtn = EFAULT; 3576 break; 3577 } 3578 break; 3579 default: 3580 ASSERT(FALSE); 3581 rtn = EINVAL; 3582 break; 3583 } 3584 #endif /* _MULTI_DATAMODEL */ 3585 3586 /* If failures earlier break */ 3587 if (rtn != 0) { 3588 break; 3589 } 3590 3591 /* copy from caller to internel cmd */ 3592 bcopy(&iu_caller, &iu, sizeof (iu)); 3593 3594 if (iu.iu_vers != ISCSI_INTERFACE_VERSION) { 3595 rtn = EINVAL; 3596 break; 3597 } 3598 /* 3599 * Check to see if oid references a target-param oid. If so, 3600 * find the associated session oid before getting lu list. 3601 */ 3602 if (iscsi_targetparam_get_name(iu.iu_oid) != NULL) { 3603 for (isp = ihp->hba_sess_list; isp; isp = 3604 isp->sess_next) { 3605 if (isp->sess_target_oid == iu.iu_oid) { 3606 target_oid = isp->sess_oid; 3607 break; 3608 } 3609 } 3610 } else { 3611 target_oid = iu.iu_oid; 3612 } 3613 3614 /* make sure we have a matching session for this command */ 3615 rw_enter(&ihp->hba_sess_list_rwlock, RW_READER); 3616 rtn = iscsi_sess_get(target_oid, ihp, &isp); 3617 if (rtn != 0) { 3618 rtn = iscsi_sess_get_by_target(target_oid, ihp, 3619 &isp); 3620 if (rtn != 0) { 3621 rw_exit(&ihp->hba_sess_list_rwlock); 3622 rtn = EFAULT; 3623 break; 3624 } 3625 } 3626 /* 3627 * If a caller buffer is present allocate duplicate 3628 * kernel space and copyin caller memory. 3629 */ 3630 if (iu.iu_ucmd.uscsi_buflen > 0) { 3631 iu.iu_ucmd.uscsi_bufaddr = (caddr_t)kmem_alloc( 3632 iu.iu_ucmd.uscsi_buflen, KM_SLEEP); 3633 if (ddi_copyin(iu_caller.iu_ucmd.uscsi_bufaddr, 3634 iu.iu_ucmd.uscsi_bufaddr, 3635 iu.iu_ucmd.uscsi_buflen, mode)) { 3636 rw_exit(&ihp->hba_sess_list_rwlock); 3637 rtn = EFAULT; 3638 break; 3639 } 3640 } 3641 3642 /* 3643 * If a caller cdb is present allocate duplicate 3644 * kernel space and copyin caller memory. 3645 */ 3646 if (iu.iu_ucmd.uscsi_cdblen > 0) { 3647 iu.iu_ucmd.uscsi_cdb = (caddr_t)kmem_alloc( 3648 iu_caller.iu_ucmd.uscsi_cdblen, KM_SLEEP); 3649 if (ddi_copyin(iu_caller.iu_ucmd.uscsi_cdb, 3650 iu.iu_ucmd.uscsi_cdb, 3651 iu.iu_ucmd.uscsi_cdblen, mode)) { 3652 if (iu.iu_ucmd.uscsi_buflen > 0) { 3653 kmem_free(iu.iu_ucmd.uscsi_bufaddr, 3654 iu_caller.iu_ucmd.uscsi_buflen); 3655 } 3656 rw_exit(&ihp->hba_sess_list_rwlock); 3657 rtn = EFAULT; 3658 break; 3659 } 3660 } 3661 3662 /* 3663 * If a caller request sense is present allocate 3664 * duplicate kernel space. No need to copyin. 3665 */ 3666 if (iu.iu_ucmd.uscsi_rqlen > 0) { 3667 iu.iu_ucmd.uscsi_rqbuf = (caddr_t)kmem_alloc( 3668 iu.iu_ucmd.uscsi_rqlen, KM_SLEEP); 3669 } 3670 3671 /* issue passthru to io path handler */ 3672 rtn = iscsi_handle_passthru(isp, iu.iu_lun, &iu.iu_ucmd); 3673 if (rtn != 0) { 3674 rtn = EFAULT; 3675 } 3676 3677 /* 3678 * If the caller had a buf we need to do a copyout 3679 * and free the kernel memory 3680 */ 3681 if (iu.iu_ucmd.uscsi_buflen > 0) { 3682 if (ddi_copyout(iu.iu_ucmd.uscsi_bufaddr, 3683 iu_caller.iu_ucmd.uscsi_bufaddr, 3684 iu.iu_ucmd.uscsi_buflen, mode) != 0) { 3685 rtn = EFAULT; 3686 } 3687 kmem_free(iu.iu_ucmd.uscsi_bufaddr, 3688 iu.iu_ucmd.uscsi_buflen); 3689 } 3690 3691 /* We need to free kernel cdb, no need to copyout */ 3692 if (iu.iu_ucmd.uscsi_cdblen > 0) { 3693 kmem_free(iu.iu_ucmd.uscsi_cdb, 3694 iu.iu_ucmd.uscsi_cdblen); 3695 } 3696 3697 /* 3698 * If the caller had a request sense we need to 3699 * do a copyout and free the kernel memory 3700 */ 3701 if (iu.iu_ucmd.uscsi_rqlen > 0) { 3702 if (ddi_copyout(iu.iu_ucmd.uscsi_rqbuf, 3703 iu_caller.iu_ucmd.uscsi_rqbuf, 3704 iu.iu_ucmd.uscsi_rqlen, mode) != 0) { 3705 rtn = EFAULT; 3706 } 3707 kmem_free(iu.iu_ucmd.uscsi_rqbuf, 3708 iu.iu_ucmd.uscsi_rqlen); 3709 } 3710 3711 #ifdef _MULTI_DATAMODEL 3712 if (iu.iu_ucmd.uscsi_status != 0) { 3713 switch (model = ddi_model_convert_from( 3714 mode & FMODELS)) { 3715 case DDI_MODEL_ILP32: 3716 iu32_caller.iu_ucmd.uscsi_status = 3717 iu.iu_ucmd.uscsi_status; 3718 if (ddi_copyout((void *)&iu32_caller, 3719 (caddr_t)arg, sizeof (iscsi_uscsi32_t), 3720 mode) != 0) { 3721 rtn = EFAULT; 3722 } 3723 break; 3724 case DDI_MODEL_NONE: 3725 iu_caller.iu_ucmd.uscsi_status = 3726 iu.iu_ucmd.uscsi_status; 3727 if (ddi_copyout((void *)&iu_caller, 3728 (caddr_t)arg, sizeof (iscsi_uscsi_t), 3729 mode) != 0) { 3730 rtn = EFAULT; 3731 } 3732 break; 3733 default: 3734 ASSERT(FALSE); 3735 } 3736 } 3737 #endif /* _MULTI_DATAMODEL */ 3738 rw_exit(&ihp->hba_sess_list_rwlock); 3739 break; 3740 3741 /* 3742 * ISCSI_DOOR_HANDLE_SET - 3743 */ 3744 case ISCSI_DOOR_HANDLE_SET: 3745 if (ddi_copyin((caddr_t)arg, &did, sizeof (int), mode) != 0) { 3746 rtn = EFAULT; 3747 } 3748 if (iscsi_door_bind(did) == B_FALSE) { 3749 rtn = EFAULT; 3750 } 3751 break; 3752 3753 case ISCSI_DISCOVERY_EVENTS: 3754 /* 3755 * If discovery has not been completed and not in progress, 3756 * poke the discovery methods 3757 */ 3758 mutex_enter(&ihp->hba_discovery_events_mutex); 3759 method = ihp->hba_discovery_events; 3760 if ((method != ISCSI_ALL_DISCOVERY_METHODS) && 3761 (ihp->hba_discovery_in_progress == B_FALSE)) { 3762 ihp->hba_discovery_in_progress = B_TRUE; 3763 mutex_exit(&ihp->hba_discovery_events_mutex); 3764 iscsid_poke_discovery(ihp, iSCSIDiscoveryMethodUnknown); 3765 mutex_enter(&ihp->hba_discovery_events_mutex); 3766 ihp->hba_discovery_in_progress = B_FALSE; 3767 method = ihp->hba_discovery_events; 3768 } 3769 mutex_exit(&ihp->hba_discovery_events_mutex); 3770 3771 if (ddi_copyout((void *)&method, (caddr_t)arg, 3772 sizeof (method), mode) != 0) 3773 rtn = EFAULT; 3774 break; 3775 3776 /* 3777 * ISCSI_SENDTGTS_GET -- 3778 */ 3779 case ISCSI_SENDTGTS_GET: 3780 stl_hdr = iscsi_ioctl_copyin((caddr_t)arg, mode, 3781 sizeof (*stl_hdr)); 3782 if (stl_hdr == NULL) { 3783 rtn = EFAULT; 3784 break; 3785 } 3786 3787 if (stl_hdr->stl_entry.e_vers != ISCSI_INTERFACE_VERSION) { 3788 rtn = EINVAL; 3789 kmem_free(stl_hdr, sizeof (*stl_hdr)); 3790 break; 3791 } 3792 3793 /* calculate how much memory user allocated for SendTgts */ 3794 stl_sz = sizeof (*stl_hdr); 3795 if (stl_hdr->stl_in_cnt > 0) { 3796 stl_sz += ((stl_hdr->stl_in_cnt - 1) * 3797 sizeof (iscsi_sendtgts_entry_t)); 3798 } 3799 3800 /* allocate local SendTgts list of the same size */ 3801 istl = kmem_zalloc(stl_sz, KM_SLEEP); 3802 bcopy(stl_hdr, istl, sizeof (*stl_hdr)); 3803 kmem_free(stl_hdr, sizeof (*stl_hdr)); 3804 3805 /* lock interface so only one SendTargets operation occurs */ 3806 sema_p(&ihp->hba_sendtgts_semaphore); 3807 3808 rtn = iscsi_ioctl_sendtgts_get(ihp, istl); 3809 3810 if (rtn == 0) { 3811 rtn = iscsi_ioctl_copyout(istl, stl_sz, 3812 (caddr_t)arg, mode); 3813 } 3814 3815 /* release lock to allow another SendTargets discovery */ 3816 sema_v(&ihp->hba_sendtgts_semaphore); 3817 3818 break; 3819 3820 /* 3821 * ISCSI_ISNS_SERVER_GET -- 3822 */ 3823 case ISCSI_ISNS_SERVER_GET: 3824 server_pg_list_hdr = iscsi_ioctl_copyin((caddr_t)arg, mode, 3825 sizeof (*server_pg_list_hdr)); 3826 if (server_pg_list_hdr == NULL) { 3827 rtn = EFAULT; 3828 break; 3829 } 3830 3831 /* If iSNS discovery mode is not set, return with zero entry */ 3832 method = persistent_disc_meth_get(); 3833 if ((method & iSCSIDiscoveryMethodISNS) == 0) { 3834 rtn = EACCES; 3835 break; 3836 } 3837 3838 initiator_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP); 3839 if (persistent_initiator_name_get(initiator_node_name, 3840 ISCSI_MAX_NAME_LEN) != B_TRUE) { 3841 kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN); 3842 initiator_node_name = NULL; 3843 kmem_free(server_pg_list_hdr, 3844 sizeof (*server_pg_list_hdr)); 3845 rtn = EIO; 3846 break; 3847 } 3848 if (strlen(initiator_node_name) == 0) { 3849 kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN); 3850 initiator_node_name = NULL; 3851 kmem_free(server_pg_list_hdr, 3852 sizeof (*server_pg_list_hdr)); 3853 rtn = EIO; 3854 break; 3855 } 3856 3857 initiator_node_alias = kmem_zalloc( 3858 ISCSI_MAX_NAME_LEN, KM_SLEEP); 3859 if (persistent_alias_name_get(initiator_node_alias, 3860 ISCSI_MAX_NAME_LEN) != B_TRUE) { 3861 initiator_node_alias[0] = '\0'; 3862 } 3863 rtn = isns_query_one_server(&(server_pg_list_hdr->addr), 3864 ihp->hba_isid, 3865 (uint8_t *)initiator_node_name, 3866 (uint8_t *)initiator_node_alias, 3867 ISNS_INITIATOR_NODE_TYPE, 3868 &pg_list); 3869 if (rtn != isns_ok || pg_list == NULL) { 3870 kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN); 3871 initiator_node_name = NULL; 3872 kmem_free(initiator_node_alias, ISCSI_MAX_NAME_LEN); 3873 initiator_node_alias = NULL; 3874 kmem_free(server_pg_list_hdr, 3875 sizeof (*server_pg_list_hdr)); 3876 server_pg_list_hdr = NULL; 3877 rtn = EIO; 3878 break; 3879 } 3880 3881 /* 3882 * pg_list_sz is the size of the pg_list returned from the 3883 * isns_query_all 3884 * 3885 * pg_sz_copy_out is the size of the pg_list we are going to 3886 * return back to the caller 3887 * 3888 * server_pg_list_sz is total amount of data we are returning 3889 * back to the caller 3890 */ 3891 pg_list->pg_in_cnt = 3892 server_pg_list_hdr->addr_port_list.pg_in_cnt; 3893 pg_list_sz = sizeof (isns_portal_group_list_t); 3894 if (pg_list->pg_out_cnt > 0) { 3895 pg_list_sz += (pg_list->pg_out_cnt - 1) * 3896 sizeof (isns_portal_group_t); 3897 } 3898 /* 3899 * check if caller passed in a buffer with enough space 3900 * if there isn't enough space, fill the caller's buffer with 3901 * as much information as possible. 3902 * 3903 * if pg_out_cnt > pg_in_cnt, pg_out_cnt will be returned with 3904 * the total number of targets found 3905 * 3906 * if pg_out_cnt < pg_in_cnt, pg_out_cnt will be the number 3907 * of targets returned 3908 */ 3909 if (pg_list->pg_in_cnt < pg_list->pg_out_cnt) { 3910 pg_sz_copy_out = sizeof (isns_portal_group_list_t); 3911 if (pg_list->pg_in_cnt > 0) { 3912 pg_sz_copy_out += (pg_list->pg_in_cnt - 1) * 3913 sizeof (isns_portal_group_t); 3914 } 3915 server_pg_list_sz = 3916 sizeof (isns_server_portal_group_list_t); 3917 if (pg_list->pg_in_cnt > 0) { 3918 server_pg_list_sz += (pg_list->pg_in_cnt - 1) * 3919 sizeof (isns_portal_group_t); 3920 } 3921 } else { 3922 pg_sz_copy_out = pg_list_sz; 3923 server_pg_list_sz = 3924 sizeof (isns_server_portal_group_list_t); 3925 if (pg_list->pg_out_cnt > 0) { 3926 server_pg_list_sz += (pg_list->pg_out_cnt - 1) * 3927 sizeof (isns_portal_group_t); 3928 } 3929 } 3930 3931 server_pg_list = (isns_server_portal_group_list_t *)kmem_zalloc( 3932 server_pg_list_sz, KM_SLEEP); 3933 3934 bcopy(&(server_pg_list_hdr->addr), &(server_pg_list->addr), 3935 sizeof (server_pg_list->addr)); 3936 bcopy(pg_list, &server_pg_list->addr_port_list, pg_sz_copy_out); 3937 3938 if (ddi_copyout(server_pg_list, (caddr_t)arg, server_pg_list_sz, 3939 mode) != 0) { 3940 rtn = EFAULT; 3941 } 3942 DTRACE_PROBE1(iscsi_ioctl_iscsi_isns_server_get_pg_sz, 3943 int, pg_list_sz); 3944 kmem_free(pg_list, pg_list_sz); 3945 kmem_free(server_pg_list, server_pg_list_sz); 3946 kmem_free(server_pg_list_hdr, sizeof (*server_pg_list_hdr)); 3947 break; 3948 3949 /* 3950 * ISCSI_GET_CONFIG_SESSIONS -- 3951 */ 3952 case ISCSI_GET_CONFIG_SESSIONS: 3953 /* FALLTHRU */ 3954 3955 case ISCSI_SET_CONFIG_SESSIONS: 3956 size = sizeof (*ics); 3957 ics = iscsi_ioctl_copyin((caddr_t)arg, mode, size); 3958 if (ics == NULL) { 3959 rtn = EFAULT; 3960 break; 3961 } 3962 3963 /* verify version infomration */ 3964 if (ics->ics_ver != ISCSI_INTERFACE_VERSION) { 3965 rtn = EINVAL; 3966 kmem_free(ics, size); 3967 break; 3968 } 3969 3970 /* Check to see if we need to copy in more memory */ 3971 if (ics->ics_in > 1) { 3972 /* record correct size */ 3973 size = ISCSI_SESSION_CONFIG_SIZE(ics->ics_in); 3974 /* free old buffer */ 3975 kmem_free(ics, sizeof (*ics)); 3976 3977 /* copy in complete buffer size */ 3978 ics = iscsi_ioctl_copyin((caddr_t)arg, mode, size); 3979 if (ics == NULL) { 3980 rtn = EFAULT; 3981 break; 3982 } 3983 } 3984 3985 /* switch action based on get or set */ 3986 if (cmd == ISCSI_GET_CONFIG_SESSIONS) { 3987 /* get */ 3988 rtn = iscsi_ioctl_get_config_sess(ihp, ics); 3989 if (rtn == 0) { 3990 /* copyout data for gets */ 3991 rtn = iscsi_ioctl_copyout(ics, size, 3992 (caddr_t)arg, mode); 3993 } 3994 } else { 3995 /* set */ 3996 rtn = iscsi_ioctl_set_config_sess(ihp, ics); 3997 if (iscsiboot_prop) { 3998 if (iscsi_cmp_boot_sess_oid(ihp, 3999 ics->ics_oid)) { 4000 /* 4001 * found active session for this object 4002 * or this is initiator object 4003 * with mpxio enabled 4004 */ 4005 if (!iscsi_reconfig_boot_sess(ihp)) { 4006 rtn = EINVAL; 4007 break; 4008 } 4009 } 4010 } 4011 } 4012 break; 4013 4014 case ISCSI_IS_ACTIVE: 4015 /* 4016 * dhcpagent calls here to check if there are 4017 * active iSCSI sessions 4018 */ 4019 instance = 0; 4020 if (iscsiboot_prop) { 4021 instance = 1; 4022 } 4023 if (!instance) { 4024 rw_enter(&ihp->hba_sess_list_rwlock, 4025 RW_READER); 4026 for (isp = ihp->hba_sess_list; isp; 4027 isp = isp->sess_next) { 4028 if ((isp->sess_state == 4029 ISCSI_SESS_STATE_LOGGED_IN) && 4030 (isp->sess_lun_list != 4031 NULL)) { 4032 instance = 1; 4033 break; 4034 } 4035 } 4036 rw_exit(&ihp->hba_sess_list_rwlock); 4037 } 4038 size = sizeof (instance); 4039 if (ddi_copyout(&instance, (caddr_t)arg, size, 4040 mode) != 0) { 4041 rtn = EFAULT; 4042 } 4043 break; 4044 4045 case ISCSI_BOOTPROP_GET: 4046 size = sizeof (*bootProp); 4047 bootProp = iscsi_ioctl_copyin((caddr_t)arg, mode, size); 4048 if (bootProp == NULL) { 4049 rtn = EFAULT; 4050 break; 4051 } 4052 bootProp->hba_mpxio_enabled = 4053 iscsi_chk_bootlun_mpxio(ihp); 4054 if (iscsiboot_prop == NULL) { 4055 bootProp->iscsiboot = 0; 4056 rtn = iscsi_ioctl_copyout(bootProp, size, 4057 (caddr_t)arg, mode); 4058 break; 4059 } else { 4060 bootProp->iscsiboot = 1; 4061 } 4062 4063 if (iscsiboot_prop->boot_init.ini_name != NULL) { 4064 (void) strncpy((char *)bootProp->ini_name.n_name, 4065 (char *)iscsiboot_prop->boot_init.ini_name, 4066 ISCSI_MAX_NAME_LEN); 4067 } 4068 if (iscsiboot_prop->boot_init.ini_chap_name != NULL) { 4069 bootProp->auth.a_auth_method = authMethodCHAP; 4070 (void) strncpy((char *)bootProp->ini_chap.c_user, 4071 (char *)iscsiboot_prop->boot_init.ini_chap_name, 4072 ISCSI_MAX_NAME_LEN); 4073 (void) strncpy((char *)bootProp->ini_chap.c_secret, 4074 (char *)iscsiboot_prop->boot_init.ini_chap_sec, 4075 ISCSI_CHAP_SECRET_LEN); 4076 if (iscsiboot_prop->boot_tgt.tgt_chap_name != 4077 NULL) { 4078 bootProp->auth.a_bi_auth = B_TRUE; 4079 } else { 4080 bootProp->auth.a_bi_auth = B_FALSE; 4081 } 4082 } 4083 if (iscsiboot_prop->boot_tgt.tgt_name != NULL) { 4084 (void) strncpy((char *)bootProp->tgt_name.n_name, 4085 (char *)iscsiboot_prop->boot_tgt.tgt_name, 4086 ISCSI_MAX_NAME_LEN); 4087 } 4088 if (iscsiboot_prop->boot_tgt.tgt_chap_name != NULL) { 4089 (void) strncpy((char *)bootProp->tgt_chap.c_user, 4090 (char *)iscsiboot_prop->boot_tgt.tgt_chap_name, 4091 ISCSI_MAX_NAME_LEN); 4092 (void) strncpy((char *)bootProp->tgt_chap.c_secret, 4093 (char *)iscsiboot_prop->boot_tgt.tgt_chap_sec, 4094 ISCSI_CHAP_SECRET_LEN); 4095 } 4096 4097 rtn = iscsi_ioctl_copyout(bootProp, size, (caddr_t)arg, mode); 4098 break; 4099 4100 default: 4101 rtn = ENOTTY; 4102 cmn_err(CE_NOTE, "unrecognized ioctl 0x%x", cmd); 4103 } /* end of ioctl type switch/cases */ 4104 4105 return (rtn); 4106 } 4107 4108 /* 4109 * +--------------------------------------------------------------------+ 4110 * | End of cb_ops routines | 4111 * +--------------------------------------------------------------------+ 4112 */ 4113 4114 4115 /* 4116 * +--------------------------------------------------------------------+ 4117 * | Common scsi_tran support routines | 4118 * +--------------------------------------------------------------------+ 4119 */ 4120 4121 /* 4122 * iscsi_i_commoncap -- SCSA host adapter get/set capability routines. 4123 * 4124 * Need to determine if any of these can be determined through the iSCSI 4125 * protocol. For now just return error on most. 4126 */ 4127 /* ARGSUSED */ 4128 static int 4129 iscsi_i_commoncap(struct scsi_address *ap, char *cap, int val, 4130 int tgtonly, int doset) 4131 { 4132 int rtn; 4133 int cidx; 4134 iscsi_lun_t *ilp; 4135 4136 ASSERT((ap)->a_hba_tran->tran_hba_private != NULL); 4137 ilp = (iscsi_lun_t *)((ap)->a_hba_tran->tran_tgt_private); 4138 ASSERT(ilp != NULL); 4139 4140 if (cap == (char *)0) { 4141 return (FALSE); 4142 } 4143 4144 cidx = scsi_hba_lookup_capstr(cap); 4145 if (cidx == -1) { 4146 return (cidx); 4147 } 4148 4149 /* 4150 * Process setcap request. 4151 */ 4152 if (doset) { 4153 /* 4154 * At present, we can only set binary (0/1) values 4155 */ 4156 switch (cidx) { 4157 case SCSI_CAP_LUN_RESET: 4158 if (val) { 4159 ilp->lun_cap |= ISCSI_LUN_CAP_RESET; 4160 } else { 4161 ilp->lun_cap &= ~ISCSI_LUN_CAP_RESET; 4162 } 4163 rtn = TRUE; 4164 break; 4165 default: 4166 /* 4167 * None of these are settable via 4168 * the capability interface. 4169 */ 4170 rtn = FALSE; 4171 break; 4172 } 4173 4174 /* 4175 * Process getcap request. 4176 */ 4177 } else { 4178 switch (cidx) { 4179 case SCSI_CAP_DMA_MAX: 4180 /* no DMA, Psuedo value */ 4181 rtn = INT32_MAX; 4182 break; 4183 case SCSI_CAP_INITIATOR_ID: 4184 rtn = 7; 4185 break; 4186 case SCSI_CAP_ARQ: 4187 case SCSI_CAP_RESET_NOTIFICATION: 4188 case SCSI_CAP_TAGGED_QING: 4189 rtn = TRUE; 4190 break; 4191 case SCSI_CAP_SCSI_VERSION: 4192 rtn = SCSI_VERSION_3; 4193 break; 4194 case SCSI_CAP_INTERCONNECT_TYPE: 4195 rtn = INTERCONNECT_FABRIC; 4196 break; 4197 case SCSI_CAP_LUN_RESET: 4198 rtn = ((ilp->lun_cap & ISCSI_LUN_CAP_RESET) != 0) ? 4199 TRUE : FALSE; 4200 break; 4201 case SCSI_CAP_CDB_LEN: 4202 /* 4203 * iSCSI RFC 3720 defines a default 16 byte 4204 * CDB as part of the Basic Header Segment 4205 * (BHS) (10.2.1) and allows for an Additional 4206 * Header Segment (AHS) Length of 255 * 4 4207 * (10.2.1.5). The AHS length can be used 4208 * for different purposes two of which are 4209 * Extended CDB ADS (10.2.2.3) and Bidirectional 4210 * Expected Read-Data Length AHS (10.2.2.4). 4211 * The largest header of these consumes is 4212 * 32 bytes. So the total Max CDB Length is 4213 * 16 + ((255 * 4 ) - 32) = 1004. 4214 */ 4215 rtn = 1004; 4216 break; 4217 default: 4218 rtn = UNDEFINED; 4219 break; 4220 } 4221 } 4222 return (rtn); 4223 } 4224 4225 /* 4226 * iscsi_virt_lun_init - attempts to complete a mdi/scsi_vhci binding 4227 * 4228 * This routine is used to associate the tran_tgt_private to our ilp 4229 * structure. This function is indirectly called from our 4230 * iscsi_lun_create_xxx routines. These routines must prevent 4231 * the session and lun lists from changing during this call. 4232 */ 4233 /* ARGSUSED */ 4234 static int 4235 iscsi_virt_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip, 4236 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 4237 { 4238 iscsi_lun_t *ilp = NULL; 4239 iscsi_lun_t *ilp_check = NULL; 4240 iscsi_sess_t *isp = NULL; 4241 char *lun_guid = NULL; 4242 mdi_pathinfo_t *pip = NULL; 4243 iscsi_hba_t *ihp = (iscsi_hba_t *)hba_tran->tran_hba_private; 4244 char target_port_name[MAX_NAME_PROP_SIZE]; 4245 4246 /* 4247 * Here's a nice little piece of undocumented stuff. 4248 */ 4249 if ((pip = (mdi_pathinfo_t *)sd->sd_private) == NULL) { 4250 /* 4251 * Very bad news if this occurs. Somehow SCSI_vhci has 4252 * lost the pathinfo node for this target. 4253 */ 4254 return (DDI_NOT_WELL_FORMED); 4255 } 4256 4257 ilp = (iscsi_lun_t *)mdi_pi_get_phci_private(pip); 4258 4259 /* 4260 * +----------------------------------------------------+ 4261 * | Looking to find the target device via the property | 4262 * | is not required since the driver can easily get | 4263 * | this information from the mdi_phci_get_private() | 4264 * | call above. This is just a consistency check | 4265 * | which can be removed. | 4266 */ 4267 if (mdi_prop_lookup_string(pip, MDI_GUID, &lun_guid) != 4268 DDI_PROP_SUCCESS) { 4269 return (DDI_NOT_WELL_FORMED); 4270 } 4271 4272 for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) { 4273 4274 /* If this isn't the matching session continue */ 4275 if (ilp->lun_sess != isp) { 4276 continue; 4277 } 4278 4279 /* 4280 * We are already holding the lun list rwlock 4281 * for this thread on the callers side of mdi_pi_online 4282 * or ndi_devi_online. Which lead to this functions 4283 * call. 4284 */ 4285 for (ilp_check = isp->sess_lun_list; ilp_check; 4286 ilp_check = ilp_check->lun_next) { 4287 4288 /* 4289 * If this is the matching LUN and contains 4290 * the same LUN GUID then break we found our 4291 * match. 4292 */ 4293 if ((ilp == ilp_check) && 4294 (strcmp(lun_guid, ilp_check->lun_guid) == 0)) { 4295 break; 4296 } 4297 } 4298 if (ilp_check != NULL) { 4299 break; 4300 } 4301 } 4302 4303 /* 4304 * Free resource that's no longer required. 4305 */ 4306 if (lun_guid != NULL) 4307 (void) mdi_prop_free(lun_guid); 4308 4309 if (ilp_check == NULL) { 4310 /* 4311 * Failed to find iSCSI LUN in HBA chain based 4312 * on the GUID that was stored as a property on 4313 * the pathinfo node. 4314 */ 4315 return (DDI_NOT_WELL_FORMED); 4316 } 4317 4318 if (ilp != ilp_check) { 4319 /* 4320 * The iSCSI target that we found on the HBA link is 4321 * different than the iSCSI target that was stored as 4322 * private data on the pathinfo node. 4323 */ 4324 return (DDI_NOT_WELL_FORMED); 4325 } 4326 /* 4327 * | End of consistency check | 4328 * +----------------------------------------------------+ 4329 */ 4330 4331 hba_tran->tran_tgt_private = ilp; 4332 4333 target_port_name[0] = '\0'; 4334 if (ilp->lun_sess->sess_tpgt_conf == ISCSI_DEFAULT_TPGT) { 4335 (void) snprintf(target_port_name, MAX_NAME_PROP_SIZE, 4336 "%02x%02x%02x%02x%02x%02x,%s", 4337 ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1], 4338 ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3], 4339 ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5], 4340 ilp->lun_sess->sess_name); 4341 } else { 4342 (void) snprintf(target_port_name, MAX_NAME_PROP_SIZE, 4343 "%02x%02x%02x%02x%02x%02x,%s,%d", 4344 ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1], 4345 ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3], 4346 ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5], 4347 ilp->lun_sess->sess_name, ilp->lun_sess->sess_tpgt_conf); 4348 } 4349 4350 if (mdi_prop_update_string(pip, "target-port", 4351 target_port_name) != DDI_PROP_SUCCESS) { 4352 cmn_err(CE_WARN, "iscsi_virt_lun_init: Creating 'target-port' " 4353 "property on Path(%p) for Target(%s), Lun(%d) Failed", 4354 (void *)pip, ilp->lun_sess->sess_name, ilp->lun_num); 4355 } 4356 4357 return (DDI_SUCCESS); 4358 } 4359 4360 /* 4361 * iscsi_phys_lun_init - attempts to complete a ndi binding 4362 * 4363 * This routine is used to associate the tran_tgt_private to our 4364 * ilp structure. This function is indirectly called from our 4365 * iscsi_lun_create_xxx routines. These routines must prevent 4366 * the session and lun lists from changing during this call. 4367 */ 4368 static int 4369 iscsi_phys_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip, 4370 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) 4371 { 4372 int rtn = DDI_SUCCESS; 4373 iscsi_hba_t *ihp = NULL; 4374 iscsi_sess_t *isp = NULL; 4375 iscsi_lun_t *ilp = NULL; 4376 char target_port_name[MAX_NAME_PROP_SIZE]; 4377 int *words = NULL; 4378 uint_t nwords = 0; 4379 4380 ASSERT(hba_dip); 4381 ASSERT(lun_dip); 4382 ASSERT(hba_tran); 4383 ASSERT(sd); 4384 ihp = (iscsi_hba_t *)hba_tran->tran_hba_private; 4385 ASSERT(ihp); 4386 4387 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, lun_dip, 4388 DDI_PROP_DONTPASS, LUN_PROP, &words, &nwords) != DDI_PROP_SUCCESS) { 4389 cmn_err(CE_WARN, "iscsi_phys_lun_init: Returning DDI_FAILURE:" 4390 "lun for %s (instance %d)", ddi_get_name(lun_dip), 4391 ddi_get_instance(lun_dip)); 4392 return (DDI_FAILURE); 4393 } 4394 4395 if (nwords == 0) { 4396 ddi_prop_free(words); 4397 return (DDI_FAILURE); 4398 } 4399 4400 ASSERT(words != NULL); 4401 4402 /* See if we already created this session */ 4403 4404 /* Walk the HBA's session list */ 4405 for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) { 4406 /* compare target name as the unique identifier */ 4407 if (sd->sd_address.a_target == isp->sess_oid) { 4408 /* found match */ 4409 break; 4410 } 4411 } 4412 4413 /* If we found matching session continue searching for tgt */ 4414 if (isp != NULL) { 4415 /* 4416 * Search for the matching iscsi lun structure. We don't 4417 * need to hold the READER for the lun list at this point. 4418 * because the tran_get_name is being called from the online 4419 * function which is already holding a reader on the lun 4420 * list. 4421 */ 4422 for (ilp = isp->sess_lun_list; ilp; ilp = ilp->lun_next) { 4423 if (*words == ilp->lun_num) { 4424 /* found match */ 4425 break; 4426 } 4427 } 4428 4429 if (ilp != NULL) { 4430 /* 4431 * tgt found path it to the tran_lun_private 4432 * this is used later for fast access on 4433 * init_pkt and start 4434 */ 4435 hba_tran->tran_tgt_private = ilp; 4436 } else { 4437 /* tgt not found */ 4438 ddi_prop_free(words); 4439 return (DDI_FAILURE); 4440 } 4441 } else { 4442 /* sess not found */ 4443 ddi_prop_free(words); 4444 return (DDI_FAILURE); 4445 } 4446 ddi_prop_free(words); 4447 4448 target_port_name[0] = '\0'; 4449 if (ilp->lun_sess->sess_tpgt_conf == ISCSI_DEFAULT_TPGT) { 4450 (void) snprintf(target_port_name, MAX_NAME_PROP_SIZE, 4451 "%02x%02x%02x%02x%02x%02x,%s", 4452 ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1], 4453 ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3], 4454 ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5], 4455 ilp->lun_sess->sess_name); 4456 } else { 4457 (void) snprintf(target_port_name, MAX_NAME_PROP_SIZE, 4458 "%02x%02x%02x%02x%02x%02x,%s,%d", 4459 ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1], 4460 ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3], 4461 ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5], 4462 ilp->lun_sess->sess_name, ilp->lun_sess->sess_tpgt_conf); 4463 } 4464 4465 if (ddi_prop_update_string(DDI_DEV_T_NONE, lun_dip, 4466 "target-port", target_port_name) != DDI_PROP_SUCCESS) { 4467 cmn_err(CE_WARN, "iscsi_phys_lun_init: Creating 'target-port' " 4468 "property on Target(%s), Lun(%d) Failed", 4469 ilp->lun_sess->sess_name, ilp->lun_num); 4470 } 4471 4472 return (rtn); 4473 } 4474 4475 /* 4476 * +--------------------------------------------------------------------+ 4477 * | End of scsi_tran support routines | 4478 * +--------------------------------------------------------------------+ 4479 */ 4480 4481 /* 4482 * +--------------------------------------------------------------------+ 4483 * | Begin of struct utility routines | 4484 * +--------------------------------------------------------------------+ 4485 */ 4486 4487 4488 /* 4489 * iscsi_set_default_login_params - This function sets the 4490 * driver default login params. This is using during the 4491 * creation of our iSCSI HBA structure initialization by 4492 * could be used at other times to reset back to the defaults. 4493 */ 4494 void 4495 iscsi_set_default_login_params(iscsi_login_params_t *params) 4496 { 4497 params->immediate_data = ISCSI_DEFAULT_IMMEDIATE_DATA; 4498 params->initial_r2t = ISCSI_DEFAULT_INITIALR2T; 4499 params->first_burst_length = ISCSI_DEFAULT_FIRST_BURST_LENGTH; 4500 params->max_burst_length = ISCSI_DEFAULT_MAX_BURST_LENGTH; 4501 params->data_pdu_in_order = ISCSI_DEFAULT_DATA_PDU_IN_ORDER; 4502 params->data_sequence_in_order = ISCSI_DEFAULT_DATA_SEQUENCE_IN_ORDER; 4503 params->default_time_to_wait = ISCSI_DEFAULT_TIME_TO_WAIT; 4504 params->default_time_to_retain = ISCSI_DEFAULT_TIME_TO_RETAIN; 4505 params->header_digest = ISCSI_DEFAULT_HEADER_DIGEST; 4506 params->data_digest = ISCSI_DEFAULT_DATA_DIGEST; 4507 params->max_recv_data_seg_len = ISCSI_DEFAULT_MAX_RECV_SEG_LEN; 4508 params->max_xmit_data_seg_len = ISCSI_DEFAULT_MAX_XMIT_SEG_LEN; 4509 params->max_connections = ISCSI_DEFAULT_MAX_CONNECTIONS; 4510 params->max_outstanding_r2t = ISCSI_DEFAULT_MAX_OUT_R2T; 4511 params->error_recovery_level = ISCSI_DEFAULT_ERROR_RECOVERY_LEVEL; 4512 params->ifmarker = ISCSI_DEFAULT_IFMARKER; 4513 params->ofmarker = ISCSI_DEFAULT_OFMARKER; 4514 } 4515 4516 4517 /* 4518 * +--------------------------------------------------------------------+ 4519 * | End of struct utility routines | 4520 * +--------------------------------------------------------------------+ 4521 */ 4522 4523 /* 4524 * +--------------------------------------------------------------------+ 4525 * | Begin of ioctl utility routines | 4526 * +--------------------------------------------------------------------+ 4527 */ 4528 4529 /* 4530 * iscsi_get_param - This function is a helper to ISCSI_GET_PARAM 4531 * IOCTL 4532 */ 4533 int 4534 iscsi_get_param(iscsi_login_params_t *params, boolean_t valid_flag, 4535 iscsi_param_get_t *ipgp) { 4536 int rtn = 0; 4537 4538 /* ---- Default to settable, possibly changed later ---- */ 4539 ipgp->g_value.v_valid = valid_flag; 4540 ipgp->g_value.v_settable = B_TRUE; 4541 4542 switch (ipgp->g_param) { 4543 /* 4544 * Boolean parameters 4545 */ 4546 case ISCSI_LOGIN_PARAM_DATA_SEQUENCE_IN_ORDER: 4547 ipgp->g_value.v_bool.b_current = 4548 params->data_sequence_in_order; 4549 ipgp->g_value.v_bool.b_default = 4550 ISCSI_DEFAULT_DATA_SEQUENCE_IN_ORDER; 4551 break; 4552 case ISCSI_LOGIN_PARAM_IMMEDIATE_DATA: 4553 ipgp->g_value.v_bool.b_current = 4554 params->immediate_data; 4555 ipgp->g_value.v_bool.b_default = 4556 ISCSI_DEFAULT_IMMEDIATE_DATA; 4557 break; 4558 case ISCSI_LOGIN_PARAM_INITIAL_R2T: 4559 ipgp->g_value.v_bool.b_current = 4560 params->initial_r2t; 4561 ipgp->g_value.v_bool.b_default = 4562 ISCSI_DEFAULT_IMMEDIATE_DATA; 4563 break; 4564 case ISCSI_LOGIN_PARAM_DATA_PDU_IN_ORDER: 4565 ipgp->g_value.v_bool.b_current = 4566 params->data_pdu_in_order; 4567 ipgp->g_value.v_bool.b_default = 4568 ISCSI_DEFAULT_DATA_PDU_IN_ORDER; 4569 break; 4570 4571 /* 4572 * Integer parameters 4573 */ 4574 case ISCSI_LOGIN_PARAM_HEADER_DIGEST: 4575 ipgp->g_value.v_integer.i_current = params->header_digest; 4576 ipgp->g_value.v_integer.i_default = ISCSI_DEFAULT_HEADER_DIGEST; 4577 ipgp->g_value.v_integer.i_min = 0; 4578 ipgp->g_value.v_integer.i_max = ISCSI_MAX_HEADER_DIGEST; 4579 ipgp->g_value.v_integer.i_incr = 1; 4580 break; 4581 case ISCSI_LOGIN_PARAM_DATA_DIGEST: 4582 ipgp->g_value.v_integer.i_current = params->data_digest; 4583 ipgp->g_value.v_integer.i_default = ISCSI_DEFAULT_DATA_DIGEST; 4584 ipgp->g_value.v_integer.i_min = 0; 4585 ipgp->g_value.v_integer.i_max = ISCSI_MAX_DATA_DIGEST; 4586 ipgp->g_value.v_integer.i_incr = 1; 4587 break; 4588 case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_RETAIN: 4589 ipgp->g_value.v_integer.i_current = 4590 params->default_time_to_retain; 4591 ipgp->g_value.v_integer.i_default = 4592 ISCSI_DEFAULT_TIME_TO_RETAIN; 4593 ipgp->g_value.v_integer.i_min = 0; 4594 ipgp->g_value.v_integer.i_max = ISCSI_MAX_TIME2RETAIN; 4595 ipgp->g_value.v_integer.i_incr = 1; 4596 break; 4597 case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_WAIT: 4598 ipgp->g_value.v_integer.i_current = 4599 params->default_time_to_wait; 4600 ipgp->g_value.v_integer.i_default = 4601 ISCSI_DEFAULT_TIME_TO_WAIT; 4602 ipgp->g_value.v_integer.i_min = 0; 4603 ipgp->g_value.v_integer.i_max = ISCSI_MAX_TIME2WAIT; 4604 ipgp->g_value.v_integer.i_incr = 1; 4605 break; 4606 case ISCSI_LOGIN_PARAM_ERROR_RECOVERY_LEVEL: 4607 ipgp->g_value.v_integer.i_current = 4608 params->error_recovery_level; 4609 ipgp->g_value.v_integer.i_default = 4610 ISCSI_DEFAULT_ERROR_RECOVERY_LEVEL; 4611 ipgp->g_value.v_integer.i_min = 0; 4612 ipgp->g_value.v_integer.i_max = ISCSI_MAX_ERROR_RECOVERY_LEVEL; 4613 ipgp->g_value.v_integer.i_incr = 1; 4614 ipgp->g_value.v_settable = B_FALSE; 4615 break; 4616 case ISCSI_LOGIN_PARAM_FIRST_BURST_LENGTH: 4617 ipgp->g_value.v_integer.i_current = 4618 params->first_burst_length; 4619 ipgp->g_value.v_integer.i_default = 4620 ISCSI_DEFAULT_FIRST_BURST_LENGTH; 4621 ipgp->g_value.v_integer.i_min = 512; 4622 ipgp->g_value.v_integer.i_max = ISCSI_MAX_FIRST_BURST_LENGTH; 4623 ipgp->g_value.v_integer.i_incr = 1; 4624 break; 4625 case ISCSI_LOGIN_PARAM_MAX_BURST_LENGTH: 4626 ipgp->g_value.v_integer.i_current = 4627 params->max_burst_length; 4628 ipgp->g_value.v_integer.i_default = 4629 ISCSI_DEFAULT_MAX_BURST_LENGTH; 4630 ipgp->g_value.v_integer.i_min = 512; 4631 ipgp->g_value.v_integer.i_max = ISCSI_MAX_BURST_LENGTH; 4632 ipgp->g_value.v_integer.i_incr = 1; 4633 break; 4634 case ISCSI_LOGIN_PARAM_MAX_CONNECTIONS: 4635 ipgp->g_value.v_integer.i_current = 4636 params->max_connections; 4637 ipgp->g_value.v_settable = B_FALSE; 4638 ipgp->g_value.v_integer.i_default = 4639 ISCSI_DEFAULT_MAX_CONNECTIONS; 4640 ipgp->g_value.v_integer.i_min = 1; 4641 ipgp->g_value.v_integer.i_max = ISCSI_MAX_CONNECTIONS; 4642 ipgp->g_value.v_integer.i_incr = 1; 4643 break; 4644 case ISCSI_LOGIN_PARAM_OUTSTANDING_R2T: 4645 ipgp->g_value.v_integer.i_current = 4646 params->max_outstanding_r2t; 4647 ipgp->g_value.v_settable = B_FALSE; 4648 ipgp->g_value.v_integer.i_default = 4649 ISCSI_DEFAULT_MAX_OUT_R2T; 4650 ipgp->g_value.v_integer.i_min = 1; 4651 ipgp->g_value.v_integer.i_max = ISCSI_MAX_OUTSTANDING_R2T; 4652 ipgp->g_value.v_integer.i_incr = 1; 4653 break; 4654 case ISCSI_LOGIN_PARAM_MAX_RECV_DATA_SEGMENT_LENGTH: 4655 ipgp->g_value.v_integer.i_current = 4656 params->max_recv_data_seg_len; 4657 ipgp->g_value.v_integer.i_default = 4658 ISCSI_DEFAULT_MAX_RECV_SEG_LEN; 4659 ipgp->g_value.v_integer.i_min = 512; 4660 ipgp->g_value.v_integer.i_max = 4661 ISCSI_MAX_RECV_DATA_SEGMENT_LENGTH; 4662 ipgp->g_value.v_integer.i_incr = 1; 4663 break; 4664 default: 4665 rtn = EINVAL; 4666 } 4667 4668 return (rtn); 4669 } 4670 4671 /* 4672 * +--------------------------------------------------------------------+ 4673 * | End of ioctl utility routines | 4674 * +--------------------------------------------------------------------+ 4675 */ 4676 4677 /* 4678 * iscsi_get_name_from_iqn - Translates a normal iqn/eui into a 4679 * IEEE safe address. IEEE addresses have a number of characters 4680 * set aside as reserved. 4681 */ 4682 static void 4683 iscsi_get_name_from_iqn(char *name, int name_max_len) 4684 { 4685 char *tmp = NULL; 4686 char *oldch = NULL; 4687 char *newch = NULL; 4688 4689 tmp = kmem_zalloc(MAX_GET_NAME_SIZE, KM_SLEEP); 4690 4691 for (oldch = &name[0], newch = &tmp[0]; *oldch != '\0'; 4692 oldch++, newch++) { 4693 switch (*oldch) { 4694 case ':': 4695 *newch++ = '%'; 4696 *newch++ = '3'; 4697 *newch = 'A'; 4698 break; 4699 case ' ': 4700 *newch++ = '%'; 4701 *newch++ = '2'; 4702 *newch = '0'; 4703 break; 4704 case '@': 4705 *newch++ = '%'; 4706 *newch++ = '4'; 4707 *newch = '0'; 4708 break; 4709 case '/': 4710 *newch++ = '%'; 4711 *newch++ = '2'; 4712 *newch = 'F'; 4713 break; 4714 default: 4715 *newch = *oldch; 4716 } 4717 } 4718 (void) strncpy(name, tmp, name_max_len); 4719 kmem_free(tmp, MAX_GET_NAME_SIZE); 4720 } 4721 4722 /* 4723 * iscsi_get_name_to_iqn - Converts IEEE safe address back 4724 * into a iscsi iqn/eui. 4725 */ 4726 static void 4727 iscsi_get_name_to_iqn(char *name, int name_max_len) 4728 { 4729 char *tmp = NULL; 4730 char *oldch = NULL; 4731 char *newch = NULL; 4732 4733 tmp = kmem_zalloc(MAX_GET_NAME_SIZE, KM_SLEEP); 4734 4735 for (oldch = &name[0], newch = &tmp[0]; *oldch != '\0'; 4736 oldch++, newch++) { 4737 if (*oldch == '%') { 4738 switch (*(oldch+1)) { 4739 case '2': 4740 if (*(oldch+2) == '0') { 4741 *newch = ' '; 4742 oldch += 2; 4743 } else if (*(oldch+2) == 'F') { 4744 *newch = '/'; 4745 oldch += 2; 4746 } else { 4747 *newch = *oldch; 4748 } 4749 break; 4750 case '3': 4751 if (*(oldch+2) == 'A') { 4752 *newch = ':'; 4753 oldch += 2; 4754 } else { 4755 *newch = *oldch; 4756 } 4757 break; 4758 case '4': 4759 if (*(oldch+2) == '0') { 4760 *newch = '@'; 4761 oldch += 2; 4762 } else { 4763 *newch = *oldch; 4764 } 4765 break; 4766 default: 4767 *newch = *oldch; 4768 } 4769 } else { 4770 *newch = *oldch; 4771 } 4772 } 4773 (void) strncpy(name, tmp, name_max_len); 4774 kmem_free(tmp, MAX_GET_NAME_SIZE); 4775 } 4776 4777 /* 4778 * iscsi_get_persisted_param * - a helper to ISCSI_GET_PARAM ioctl 4779 * 4780 * On return 0 means persisted parameter found 4781 */ 4782 int 4783 iscsi_get_persisted_param(uchar_t *name, iscsi_param_get_t *ipgp, 4784 iscsi_login_params_t *params) 4785 { 4786 int rtn = 1; 4787 persistent_param_t *pparam; 4788 4789 if (name == NULL || strlen((char *)name) == 0) { 4790 return (rtn); 4791 } 4792 4793 pparam = (persistent_param_t *)kmem_zalloc(sizeof (*pparam), KM_SLEEP); 4794 4795 if (persistent_param_get((char *)name, pparam) == B_TRUE) { 4796 if (pparam->p_bitmap & (1 << ipgp->g_param)) { 4797 /* Found configured parameter. */ 4798 bcopy(&pparam->p_params, params, sizeof (*params)); 4799 rtn = 0; 4800 } 4801 } 4802 4803 kmem_free(pparam, sizeof (*pparam)); 4804 4805 return (rtn); 4806 } 4807 4808 /* 4809 * iscsi_override_target_default - helper function set the target's default 4810 * login parameter if there is a configured initiator parameter. 4811 * 4812 */ 4813 static void 4814 iscsi_override_target_default(iscsi_hba_t *ihp, iscsi_param_get_t *ipg) 4815 { 4816 persistent_param_t *pp; 4817 iscsi_login_params_t *params; 4818 4819 pp = (persistent_param_t *)kmem_zalloc(sizeof (*pp), KM_SLEEP); 4820 if (persistent_param_get((char *)ihp->hba_name, pp) == B_TRUE) { 4821 if (pp->p_bitmap & (1 << ipg->g_param)) { 4822 params = &pp->p_params; 4823 switch (ipg->g_param) { 4824 case ISCSI_LOGIN_PARAM_DATA_SEQUENCE_IN_ORDER: 4825 ipg->g_value.v_bool.b_default = 4826 params->data_sequence_in_order; 4827 break; 4828 case ISCSI_LOGIN_PARAM_IMMEDIATE_DATA: 4829 ipg->g_value.v_bool.b_default = 4830 params->immediate_data; 4831 break; 4832 case ISCSI_LOGIN_PARAM_INITIAL_R2T: 4833 ipg->g_value.v_bool.b_default = 4834 params->initial_r2t; 4835 break; 4836 case ISCSI_LOGIN_PARAM_DATA_PDU_IN_ORDER: 4837 ipg->g_value.v_bool.b_default = 4838 params->data_pdu_in_order; 4839 break; 4840 case ISCSI_LOGIN_PARAM_HEADER_DIGEST: 4841 ipg->g_value.v_integer.i_default = 4842 params->header_digest; 4843 break; 4844 case ISCSI_LOGIN_PARAM_DATA_DIGEST: 4845 ipg->g_value.v_integer.i_default = 4846 params->data_digest; 4847 break; 4848 case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_RETAIN: 4849 ipg->g_value.v_integer.i_default = 4850 params->default_time_to_retain; 4851 break; 4852 case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_WAIT: 4853 ipg->g_value.v_integer.i_default = 4854 params->default_time_to_wait; 4855 break; 4856 case ISCSI_LOGIN_PARAM_ERROR_RECOVERY_LEVEL: 4857 ipg->g_value.v_integer.i_default = 4858 params->error_recovery_level; 4859 break; 4860 case ISCSI_LOGIN_PARAM_FIRST_BURST_LENGTH: 4861 ipg->g_value.v_integer.i_default = 4862 params->first_burst_length; 4863 break; 4864 case ISCSI_LOGIN_PARAM_MAX_BURST_LENGTH: 4865 ipg->g_value.v_integer.i_default = 4866 params->max_burst_length; 4867 break; 4868 case ISCSI_LOGIN_PARAM_MAX_CONNECTIONS: 4869 ipg->g_value.v_integer.i_default = 4870 params->max_connections; 4871 break; 4872 case ISCSI_LOGIN_PARAM_OUTSTANDING_R2T: 4873 ipg->g_value.v_integer.i_default = 4874 params->max_outstanding_r2t; 4875 break; 4876 case ISCSI_LOGIN_PARAM_MAX_RECV_DATA_SEGMENT_LENGTH: 4877 ipg->g_value.v_integer.i_default = 4878 params->max_xmit_data_seg_len; 4879 break; 4880 default: 4881 break; 4882 } 4883 } 4884 } 4885 kmem_free(pp, sizeof (*pp)); 4886 } 4887 4888 static boolean_t 4889 iscsi_cmp_boot_sess_oid(iscsi_hba_t *ihp, uint32_t oid) 4890 { 4891 iscsi_sess_t *isp = NULL; 4892 4893 if (iscsi_chk_bootlun_mpxio(ihp)) { 4894 for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) { 4895 if ((isp->sess_oid == oid) && isp->sess_boot) { 4896 /* oid is session object */ 4897 break; 4898 } 4899 if ((isp->sess_target_oid == oid) && isp->sess_boot) { 4900 /* 4901 * oid is target object while 4902 * this session is boot session 4903 */ 4904 break; 4905 } 4906 } 4907 if (oid == ihp->hba_oid) { 4908 /* oid is initiator object id */ 4909 return (B_TRUE); 4910 } else if ((isp != NULL) && (isp->sess_boot)) { 4911 /* oid is boot session object id */ 4912 return (B_TRUE); 4913 } 4914 } 4915 return (B_FALSE); 4916 } 4917