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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 /* 26 * Copyright 2012 Garrett D'Amore <garrett@damore.org>. All rights reserved. 27 * Copyright (c) 2016 by Delphix. All rights reserved. 28 * Copyright 2023 Oxide Computer Company 29 */ 30 31 /* 32 * pseudo bus nexus driver 33 * hotplug framework test facility 34 */ 35 36 /* 37 * The pshot driver can be used to exercise the i/o framework together 38 * with devfs by configuring an arbitrarily complex device tree. 39 * 40 * The pshot driver is rooted at /devices/pshot. The following commands 41 * illustrate the operation of devfs together with pshot's bus_config. 42 * The first command demonstrates that, like the magician showing there's 43 * nothing up their sleeve, /devices/pshot is empty. The second command 44 * conjures up a branch of pshot nodes. Note that pshot's bus_config is 45 * called sequentially by devfs for each node, as part of the pathname 46 * resolution, and that each pshot node is fully configured and 47 * attached before that node's bus_config is called to configure the 48 * next child down the tree. The final result is a "disk" node configured 49 * at the bottom of the named hierarchy of pshot nodes. 50 * 51 * # 52 * # ls /devices/pshot 53 * # 54 * # ls -ld /devices/pshot/pshot@0/pshot@1/pshot@2/disk@3,0 55 * drwxr-xr-x 2 root sys 512 Feb 6 15:10 56 * /devices/pshot/pshot@0/pshot@1/pshot@2/disk@3,0 57 * 58 * pshot supports some unique behaviors as aids for test error cases. 59 * 60 * Match these special address formats to behavior: 61 * 62 * err.* - induce bus_config error 63 * delay - induce 1 second of bus_config delay time 64 * delay,n - induce n seconds of bus_config delay time 65 * wait - induce 1 second of bus_config wait time 66 * wait,n - induce n seconds of bus_config wait time 67 * failinit.* - induce error at INITCHILD 68 * failprobe.* - induce error at probe 69 * failattach.* - induce error at attach 70 */ 71 72 #if defined(lint) && !defined(DEBUG) 73 #define DEBUG 1 74 #endif 75 76 #include <sys/types.h> 77 #include <sys/cmn_err.h> 78 #include <sys/conf.h> 79 #include <sys/ddi_impldefs.h> 80 #include <sys/autoconf.h> 81 #include <sys/open.h> 82 #include <sys/stat.h> 83 #include <sys/file.h> 84 #include <sys/errno.h> 85 #include <sys/systm.h> 86 #include <sys/modctl.h> 87 #include <sys/kmem.h> 88 #include <sys/ddi.h> 89 #include <sys/sunddi.h> 90 #include <sys/sunndi.h> 91 #include <sys/devctl.h> 92 #include <sys/disp.h> 93 #include <sys/utsname.h> 94 #include <sys/pshot.h> 95 #include <sys/debug.h> 96 97 static int pshot_log = 0; 98 static int pshot_devctl_debug = 0; 99 static int pshot_debug_busy = 0; 100 101 static void *pshot_softstatep; 102 103 static int pshot_prop_autoattach; 104 105 #define MAXPWR 3 106 107 108 /* 109 * device configuration data 110 */ 111 112 /* should keep in sync with current release */ 113 static struct { 114 char *name; 115 char *val; 116 } pshot_nodetypes[] = { 117 {"DDI_NT_SERIAL", DDI_NT_SERIAL}, 118 {"DDI_NT_SERIAL_MB", DDI_NT_SERIAL_MB}, 119 {"DDI_NT_SERIAL_DO", DDI_NT_SERIAL_DO}, 120 {"DDI_NT_SERIAL_MB_DO", DDI_NT_SERIAL_MB_DO}, 121 {"DDI_NT_SERIAL_LOMCON", DDI_NT_SERIAL_LOMCON}, 122 {"DDI_NT_BLOCK", DDI_NT_BLOCK}, 123 {"DDI_NT_BLOCK_CHAN", DDI_NT_BLOCK_CHAN}, 124 {"DDI_NT_BLOCK_WWN", DDI_NT_BLOCK_WWN}, 125 {"DDI_NT_BLOCK_SAS", DDI_NT_BLOCK_SAS}, 126 {"DDI_NT_CD", DDI_NT_CD}, 127 {"DDI_NT_CD_CHAN", DDI_NT_CD_CHAN}, 128 {"DDI_NT_FD", DDI_NT_FD}, 129 {"DDI_NT_ENCLOSURE", DDI_NT_ENCLOSURE}, 130 {"DDI_NT_SCSI_ENCLOSURE", DDI_NT_SCSI_ENCLOSURE}, 131 {"DDI_NT_TAPE", DDI_NT_TAPE}, 132 {"DDI_NT_NET", DDI_NT_NET}, 133 {"DDI_NT_DISPLAY", DDI_NT_DISPLAY}, 134 {"DDI_PSEUDO", DDI_PSEUDO}, 135 {"DDI_NT_AUDIO", DDI_NT_AUDIO}, 136 {"DDI_NT_MOUSE", DDI_NT_MOUSE}, 137 {"DDI_NT_KEYBOARD", DDI_NT_KEYBOARD}, 138 {"DDI_NT_PARALLEL", DDI_NT_PARALLEL}, 139 {"DDI_NT_PRINTER", DDI_NT_PRINTER}, 140 {"DDI_NT_UGEN", DDI_NT_UGEN}, 141 {"DDI_NT_NEXUS", DDI_NT_NEXUS}, 142 {"DDI_NT_SCSI_NEXUS", DDI_NT_SCSI_NEXUS}, 143 {"DDI_NT_ATTACHMENT_POINT", DDI_NT_ATTACHMENT_POINT}, 144 {"DDI_NT_SCSI_ATTACHMENT_POINT", DDI_NT_SCSI_ATTACHMENT_POINT}, 145 {"DDI_NT_PCI_ATTACHMENT_POINT", DDI_NT_PCI_ATTACHMENT_POINT}, 146 {"DDI_NT_SBD_ATTACHMENT_POINT", DDI_NT_SBD_ATTACHMENT_POINT}, 147 {"DDI_NT_FC_ATTACHMENT_POINT", DDI_NT_FC_ATTACHMENT_POINT}, 148 {"DDI_NT_USB_ATTACHMENT_POINT", DDI_NT_USB_ATTACHMENT_POINT}, 149 {"DDI_NT_BLOCK_FABRIC", DDI_NT_BLOCK_FABRIC}, 150 {"DDI_NT_AV_ASYNC", DDI_NT_AV_ASYNC}, 151 {"DDI_NT_AV_ISOCH", DDI_NT_AV_ISOCH}, 152 { NULL, NULL } 153 }; 154 155 /* Node name */ 156 static char *pshot_compat_diskname = "cdisk"; 157 158 /* Compatible names... */ 159 static char *pshot_compat_psramdisks[] = { 160 "psramhead", 161 "psramrom", 162 "psramdisk", 163 "psramd", 164 "psramwhat" 165 }; 166 167 /* 168 * devices "natively" supported by pshot (i.e. included with SUNWiotu) 169 * used to initialize pshot_devices with 170 */ 171 static pshot_device_t pshot_stock_devices[] = { 172 {"disk", DDI_NT_BLOCK, "gen_drv"}, 173 {"disk_chan", DDI_NT_BLOCK_CHAN, "gen_drv"}, 174 {"disk_wwn", DDI_NT_BLOCK_WWN, "gen_drv"}, 175 {"disk_cdrom", DDI_NT_CD, "gen_drv"}, 176 {"disk_cdrom.chan", DDI_NT_CD_CHAN, "gen_drv"}, 177 /* Note: use bad_drv to force attach errors */ 178 {"disk_fd", DDI_NT_FD, "bad_drv"}, 179 {"tape", DDI_NT_TAPE, "gen_drv"}, 180 {"net", DDI_NT_NET, "gen_drv"}, 181 {"display", DDI_NT_DISPLAY, "gen_drv"}, 182 {"pseudo", DDI_PSEUDO, "gen_drv"}, 183 {"audio", DDI_NT_AUDIO, "gen_drv"}, 184 {"mouse", DDI_NT_MOUSE, "gen_drv"}, 185 {"keyboard", DDI_NT_KEYBOARD, "gen_drv"}, 186 {"nexus", DDI_NT_NEXUS, "pshot"} 187 }; 188 #define PSHOT_N_STOCK_DEVICES \ 189 (sizeof (pshot_stock_devices) / sizeof (pshot_device_t)) 190 191 static pshot_device_t *pshot_devices = NULL; 192 static size_t pshot_devices_len = 0; 193 194 /* protects <pshot_devices>, <pshot_devices_len> */ 195 static kmutex_t pshot_devices_lock; 196 197 198 /* 199 * event testing 200 */ 201 202 static ndi_event_definition_t pshot_ndi_event_defs[] = { 203 { PSHOT_EVENT_TAG_OFFLINE, PSHOT_EVENT_NAME_DEV_OFFLINE, 204 EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL }, 205 206 { PSHOT_EVENT_TAG_DEV_RESET, PSHOT_EVENT_NAME_DEV_RESET, 207 EPL_INTERRUPT, NDI_EVENT_POST_TO_TGT }, 208 209 { PSHOT_EVENT_TAG_BUS_RESET, PSHOT_EVENT_NAME_BUS_RESET, 210 EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL }, 211 212 { PSHOT_EVENT_TAG_BUS_QUIESCE, PSHOT_EVENT_NAME_BUS_QUIESCE, 213 EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL }, 214 215 { PSHOT_EVENT_TAG_BUS_UNQUIESCE, PSHOT_EVENT_NAME_BUS_UNQUIESCE, 216 EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL }, 217 218 { PSHOT_EVENT_TAG_TEST_POST, PSHOT_EVENT_NAME_BUS_TEST_POST, 219 EPL_INTERRUPT, NDI_EVENT_POST_TO_TGT } 220 }; 221 222 223 #define PSHOT_N_NDI_EVENTS \ 224 (sizeof (pshot_ndi_event_defs) / sizeof (ndi_event_definition_t)) 225 226 #ifdef DEBUG 227 228 static ndi_event_definition_t pshot_test_events[] = { 229 { 10, "test event 0", EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL }, 230 { 11, "test event 1", EPL_KERNEL, NDI_EVENT_POST_TO_TGT }, 231 { 12, "test event 2", EPL_INTERRUPT, NDI_EVENT_POST_TO_TGT }, 232 { 13, "test event 3", EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL }, 233 { 14, "test event 4", EPL_KERNEL, NDI_EVENT_POST_TO_ALL}, 234 { 15, "test event 5", EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL }, 235 { 16, "test event 6", EPL_KERNEL, NDI_EVENT_POST_TO_ALL }, 236 { 17, "test event 7", EPL_INTERRUPT, NDI_EVENT_POST_TO_ALL } 237 }; 238 239 static ndi_event_definition_t pshot_test_events_high[] = { 240 { 20, "test event high 0", EPL_HIGHLEVEL, NDI_EVENT_POST_TO_ALL} 241 }; 242 243 #define PSHOT_N_TEST_EVENTS \ 244 (sizeof (pshot_test_events)/sizeof (ndi_event_definition_t)) 245 #endif 246 247 struct register_events { 248 char *event_name; 249 ddi_eventcookie_t event_cookie; 250 void (*event_callback) 251 (dev_info_t *, 252 ddi_eventcookie_t, 253 void *arg, 254 void *impldata); 255 ddi_callback_id_t cb_id; 256 }; 257 258 struct register_events pshot_register_events[] = { 259 { PSHOT_EVENT_NAME_DEV_OFFLINE, 0, pshot_event_cb, 0 }, 260 { PSHOT_EVENT_NAME_DEV_RESET, 0, pshot_event_cb, 0 }, 261 { PSHOT_EVENT_NAME_BUS_RESET, 0, pshot_event_cb, 0 }, 262 { PSHOT_EVENT_NAME_BUS_QUIESCE, 0, pshot_event_cb, 0 }, 263 { PSHOT_EVENT_NAME_BUS_UNQUIESCE, 0, pshot_event_cb, 0 }, 264 { PSHOT_EVENT_NAME_BUS_TEST_POST, 0, pshot_event_cb, 0 } 265 }; 266 267 #define PSHOT_N_DDI_EVENTS \ 268 (sizeof (pshot_register_events) / sizeof (struct register_events)) 269 270 271 #ifdef DEBUG 272 273 static struct register_events pshot_register_test[] = { 274 { "test event 0", 0, pshot_event_cb_test, 0}, 275 { "test event 1", 0, pshot_event_cb_test, 0}, 276 { "test event 2", 0, pshot_event_cb_test, 0}, 277 { "test event 3", 0, pshot_event_cb_test, 0}, 278 { "test event 4", 0, pshot_event_cb_test, 0}, 279 { "test event 5", 0, pshot_event_cb_test, 0}, 280 { "test event 6", 0, pshot_event_cb_test, 0}, 281 { "test event 7", 0, pshot_event_cb_test, 0} 282 }; 283 284 285 static struct register_events pshot_register_high_test[] = { 286 {"test event high 0", 0, pshot_event_cb_test, 0} 287 }; 288 289 #endif /* DEBUG */ 290 291 static struct { 292 int ioctl_int; 293 char *ioctl_char; 294 } pshot_devctls[] = { 295 {DEVCTL_DEVICE_GETSTATE, "DEVCTL_DEVICE_GETSTATE"}, 296 {DEVCTL_DEVICE_ONLINE, "DEVCTL_DEVICE_ONLINE"}, 297 {DEVCTL_DEVICE_OFFLINE, "DEVCTL_DEVICE_OFFLINE"}, 298 {DEVCTL_DEVICE_REMOVE, "DEVCTL_DEVICE_REMOVE"}, 299 {DEVCTL_BUS_GETSTATE, "DEVCTL_BUS_GETSTATE"}, 300 {DEVCTL_BUS_DEV_CREATE, "DEVCTL_BUS_DEV_CREATE"}, 301 {DEVCTL_BUS_RESET, "DEVCTL_BUS_RESET"}, 302 {DEVCTL_BUS_RESETALL, "DEVCTL_BUS_RESETALL"}, 303 {0, NULL} 304 }; 305 306 static struct bus_ops pshot_bus_ops = { 307 BUSO_REV, /* busops_rev */ 308 nullbusmap, /* bus_map */ 309 NULL, /* bus_get_intrspec */ 310 NULL, /* bus_add_interspec */ 311 NULL, /* bus_remove_interspec */ 312 i_ddi_map_fault, /* bus_map_fault */ 313 NULL, /* bus_dma_map */ 314 ddi_dma_allochdl, /* bus_dma_allochdl */ 315 ddi_dma_freehdl, /* bus_dma_freehdl */ 316 ddi_dma_bindhdl, /* bus_dma_bindhdl */ 317 ddi_dma_unbindhdl, /* bus_dma_unbindhdl */ 318 ddi_dma_flush, /* bus_dma_flush */ 319 ddi_dma_win, /* bus_dma_win */ 320 ddi_dma_mctl, /* bus_dma_ctl */ 321 pshot_ctl, /* bus_ctl */ 322 ddi_bus_prop_op, /* bus_prop_op */ 323 pshot_get_eventcookie, /* bus_get_eventcookie */ 324 pshot_add_eventcall, /* bus_add_eventcall */ 325 pshot_remove_eventcall, /* bus_remove_event */ 326 pshot_post_event, /* bus_post_event */ 327 NULL, /* bus_intr_ctl */ 328 pshot_bus_config, /* bus_config */ 329 pshot_bus_unconfig, /* bus_unconfig */ 330 NULL, /* bus_fm_init */ 331 NULL, /* bus_fm_fini */ 332 NULL, /* bus_fm_access_enter */ 333 NULL, /* bus_fm_access_exit */ 334 pshot_bus_power, /* bus_power */ 335 pshot_bus_introp /* bus_intr_op */ 336 }; 337 338 static struct cb_ops pshot_cb_ops = { 339 pshot_open, /* open */ 340 pshot_close, /* close */ 341 nodev, /* strategy */ 342 nodev, /* print */ 343 nodev, /* dump */ 344 nodev, /* read */ 345 nodev, /* write */ 346 pshot_ioctl, /* ioctl */ 347 nodev, /* devmap */ 348 nodev, /* mmap */ 349 nodev, /* segmap */ 350 nochpoll, /* poll */ 351 ddi_prop_op, /* prop_op */ 352 NULL, /* streamtab */ 353 D_NEW | D_MP | D_HOTPLUG, /* flags */ 354 CB_REV, /* cb_rev */ 355 nodev, /* aread */ 356 nodev, /* awrite */ 357 }; 358 359 static struct dev_ops pshot_ops = { 360 DEVO_REV, /* devo_rev, */ 361 0, /* refcnt */ 362 pshot_info, /* getinfo */ 363 nulldev, /* identify */ 364 pshot_probe, /* probe */ 365 pshot_attach, /* attach */ 366 pshot_detach, /* detach */ 367 nodev, /* reset */ 368 &pshot_cb_ops, /* driver operations */ 369 &pshot_bus_ops, /* bus operations */ 370 pshot_power, /* power */ 371 ddi_quiesce_not_supported, /* devo_quiesce */ 372 373 }; 374 375 376 /* 377 * Module linkage information for the kernel. 378 */ 379 static struct modldrv modldrv = { 380 &mod_driverops, 381 "pshotnex", 382 &pshot_ops, 383 }; 384 385 static struct modlinkage modlinkage = { 386 MODREV_1, &modldrv, NULL 387 }; 388 389 390 /* 391 * pshot_devices is set up on the first attach and destroyed on fini 392 * 393 * therefore PSHOT_PROP_DEV* properties may be set just for the root device, 394 * instead of being set globably, in pshot.conf by specifying the properties 395 * on a single line in the form: 396 * name="pshot" parent="/" <dev props ..> 397 * to unclutter a device tree snapshot. 398 * this of course produces a long single line that may wrap around several 399 * times on screen 400 */ 401 402 int 403 _init(void) 404 { 405 int rv; 406 407 rv = ddi_soft_state_init(&pshot_softstatep, sizeof (pshot_t), 0); 408 409 if (rv != DDI_SUCCESS) 410 return (rv); 411 412 mutex_init(&pshot_devices_lock, NULL, MUTEX_DRIVER, NULL); 413 pshot_devices = NULL; 414 pshot_devices_len = 0; 415 416 if ((rv = mod_install(&modlinkage)) != 0) { 417 ddi_soft_state_fini(&pshot_softstatep); 418 mutex_destroy(&pshot_devices_lock); 419 } 420 return (rv); 421 } 422 423 int 424 _fini(void) 425 { 426 int rv; 427 428 if ((rv = mod_remove(&modlinkage)) != 0) 429 return (rv); 430 431 ddi_soft_state_fini(&pshot_softstatep); 432 mutex_destroy(&pshot_devices_lock); 433 if (pshot_devices) 434 pshot_devices_free(pshot_devices, pshot_devices_len); 435 return (0); 436 } 437 438 int 439 _info(struct modinfo *modinfop) 440 { 441 return (mod_info(&modlinkage, modinfop)); 442 } 443 444 445 /*ARGSUSED*/ 446 static int 447 pshot_probe(dev_info_t *devi) 448 { 449 int instance = ddi_get_instance(devi); 450 char *bus_addr; 451 452 /* 453 * Hook for tests to force probe fail 454 */ 455 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, devi, 0, "bus-addr", 456 &bus_addr) == DDI_PROP_SUCCESS) { 457 if (strncmp(bus_addr, "failprobe", 9) == 0) { 458 if (pshot_debug) 459 cmn_err(CE_CONT, "pshot%d: " 460 "%s forced probe failure\n", 461 instance, bus_addr); 462 ddi_prop_free(bus_addr); 463 return (DDI_PROBE_FAILURE); 464 } 465 ddi_prop_free(bus_addr); 466 } 467 468 return (DDI_PROBE_SUCCESS); 469 } 470 471 472 /*ARGSUSED*/ 473 static int 474 pshot_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) 475 { 476 int instance; 477 minor_t minor; 478 pshot_t *pshot; 479 480 minor = getminor((dev_t)arg); 481 instance = pshot_minor_decode_inst(minor); 482 switch (infocmd) { 483 case DDI_INFO_DEVT2DEVINFO: 484 pshot = ddi_get_soft_state(pshot_softstatep, instance); 485 if (pshot == NULL) { 486 cmn_err(CE_WARN, "pshot_info: get soft state failed " 487 "on minor %u, instance %d", minor, instance); 488 return (DDI_FAILURE); 489 } 490 *result = (void *)pshot->dip; 491 break; 492 case DDI_INFO_DEVT2INSTANCE: 493 *result = (void *)(uintptr_t)instance; 494 break; 495 default: 496 cmn_err(CE_WARN, "pshot_info: unrecognized cmd 0x%x on " 497 "minor %u, instance %d", infocmd, minor, instance); 498 return (DDI_FAILURE); 499 } 500 501 return (DDI_SUCCESS); 502 } 503 504 505 static int 506 pshot_attach(dev_info_t *devi, ddi_attach_cmd_t cmd) 507 { 508 int instance = ddi_get_instance(devi); 509 pshot_t *pshot; 510 int rval, i; 511 int prop_flags = DDI_PROP_DONTPASS | DDI_PROP_NOTPROM; 512 char *bus_addr; 513 char *pm_comp[] = { 514 "NAME=bus", 515 "0=B3", 516 "1=B2", 517 "2=B1", 518 "3=B0"}; 519 char *pm_hw_state = {"needs-suspend-resume"}; 520 521 pshot_prop_autoattach = ddi_prop_get_int(DDI_DEV_T_ANY, devi, 522 prop_flags, "autoattach", 0); 523 524 switch (cmd) { 525 526 case DDI_ATTACH: 527 if (pshot_debug) 528 cmn_err(CE_CONT, "attach: %s%d/pshot%d\n", 529 ddi_get_name(ddi_get_parent(devi)), 530 ddi_get_instance(ddi_get_parent(devi)), 531 instance); 532 533 /* 534 * Hook for tests to force attach fail 535 */ 536 if ((ddi_prop_lookup_string(DDI_DEV_T_ANY, devi, 0, "bus-addr", 537 &bus_addr) == DDI_PROP_SUCCESS) && bus_addr != NULL) { 538 if (strncmp(bus_addr, "failattach", 10) == 0) { 539 if (pshot_debug) 540 cmn_err(CE_CONT, "pshot%d: " 541 "%s forced attach failure\n", 542 instance, bus_addr); 543 ddi_prop_free(bus_addr); 544 return (DDI_FAILURE); 545 } 546 ddi_prop_free(bus_addr); 547 } 548 549 /* 550 * minor nodes setup 551 */ 552 if (ddi_soft_state_zalloc(pshot_softstatep, instance) != 553 DDI_SUCCESS) { 554 return (DDI_FAILURE); 555 } 556 pshot = ddi_get_soft_state(pshot_softstatep, instance); 557 pshot->dip = devi; 558 pshot->instance = instance; 559 mutex_init(&pshot->lock, NULL, MUTEX_DRIVER, NULL); 560 561 /* set each minor, then create on dip all together */ 562 563 i = PSHOT_NODENUM_DEVCTL; 564 pshot->nodes[i].pshot = pshot; 565 pshot->nodes[i].minor = pshot_minor_encode(instance, i); 566 (void) strncpy(pshot->nodes[i].name, PSHOT_NODENAME_DEVCTL, 567 PSHOT_MAX_MINOR_NAMELEN); 568 569 i = PSHOT_NODENUM_TESTCTL; 570 pshot->nodes[i].pshot = pshot; 571 pshot->nodes[i].minor = pshot_minor_encode(instance, i); 572 (void) strncpy(pshot->nodes[i].name, PSHOT_NODENAME_TESTCTL, 573 PSHOT_MAX_MINOR_NAMELEN); 574 575 /* this assumes contiguous a filling */ 576 for (i = 0; i <= PSHOT_MAX_NODENUM; i++) { 577 if (ddi_create_minor_node(devi, pshot->nodes[i].name, 578 S_IFCHR, pshot->nodes[i].minor, DDI_NT_NEXUS, 0) != 579 DDI_SUCCESS) { 580 cmn_err(CE_WARN, "attach: cannot create " 581 "minor %s", pshot->nodes[i].name); 582 goto FAIL_ATTACH; 583 } 584 } 585 586 /* 587 * pshot_devices setup 588 */ 589 if (pshot_devices_setup(devi)) { 590 cmn_err(CE_WARN, "attach: pshot devices setup " 591 "failed"); 592 goto FAIL_ATTACH; 593 } 594 595 /* 596 * events setup 597 */ 598 for (i = 0; i < PSHOT_N_DDI_EVENTS; i++) { 599 rval = ddi_get_eventcookie(devi, 600 pshot_register_events[i].event_name, 601 &pshot_register_events[i].event_cookie); 602 603 if (pshot_debug) 604 cmn_err(CE_CONT, "pshot%d: event=%s:" 605 "ddi_get_eventcookie rval=%d\n", 606 instance, 607 pshot_register_events[i].event_name, rval); 608 609 if (rval == DDI_SUCCESS) { 610 rval = ddi_add_event_handler(devi, 611 pshot_register_events[i].event_cookie, 612 pshot_register_events[i].event_callback, 613 (void *)pshot, 614 &pshot->callback_cache[i]); 615 616 if (pshot_debug) 617 cmn_err(CE_CONT, "pshot%d: event=%s: " 618 "ddi_add_event_handler rval=%d\n", 619 instance, 620 pshot_register_events[i].event_name, 621 rval); 622 } 623 } 624 625 #ifdef DEBUG 626 if (pshot_event_test_enable) { 627 pshot_event_test((void *)pshot); 628 (void) timeout(pshot_event_test_post_one, (void *)pshot, 629 instance * drv_usectohz(60000000)); 630 } 631 #endif 632 633 /* 634 * allocate an ndi event handle 635 */ 636 if (ndi_event_alloc_hdl(devi, NULL, &pshot->ndi_event_hdl, 637 NDI_SLEEP) != NDI_SUCCESS) { 638 goto FAIL_ATTACH; 639 } 640 641 pshot->ndi_events.ndi_events_version = NDI_EVENTS_REV1; 642 pshot->ndi_events.ndi_n_events = PSHOT_N_NDI_EVENTS; 643 pshot->ndi_events.ndi_event_defs = pshot_ndi_event_defs; 644 645 if (ndi_event_bind_set(pshot->ndi_event_hdl, &pshot->ndi_events, 646 NDI_SLEEP) != NDI_SUCCESS) { 647 cmn_err(CE_CONT, "pshot%d bind set failed\n", 648 instance); 649 } 650 651 /* 652 * setup a test for nexus auto-attach iff we are 653 * a second level pshot node (parent == /SUNW,pshot) 654 * enable by setting "autoattach=1" in pshot.conf 655 */ 656 if ((PARENT_IS_PSHOT(devi)) && (pshot_prop_autoattach != 0) && 657 (ddi_get_instance(ddi_get_parent(devi))) == 0) 658 pshot_setup_autoattach(devi); 659 660 /* 661 * initialize internal state to idle: busy = 0, 662 * power level = -1 663 */ 664 mutex_enter(&pshot->lock); 665 pshot->busy = 0; 666 pshot->busy_ioctl = 0; 667 pshot->level = -1; 668 pshot->state &= ~STRICT_PARENT; 669 pshot->state |= PM_SUPPORTED; 670 mutex_exit(&pshot->lock); 671 672 /* 673 * Create the "pm-want-child-notification?" property 674 * for the root node /devices/pshot 675 */ 676 if (instance == 0) { 677 if (pshot_debug) { 678 cmn_err(CE_CONT, "pshot%d: DDI_ATTACH:\n\t" 679 " create the" 680 " \"pm-want-child-notification?\" property" 681 " for the root node\n", instance); 682 } 683 if (ddi_prop_create(DDI_DEV_T_NONE, devi, 0, 684 "pm-want-child-notification?", NULL, 0) 685 != DDI_PROP_SUCCESS) { 686 cmn_err(CE_WARN, "%s%d:\n\t" 687 " unable to create the" 688 " \"pm-want-child-notification?\"" 689 " property", ddi_get_name(devi), 690 ddi_get_instance(devi)); 691 692 goto FAIL_ATTACH; 693 } 694 } 695 696 /* 697 * Check if the pm-want-child-notification? property was 698 * created in pshot_bus_config_setup_nexus() by the parent. 699 * Set the STRICT_PARENT flag if not. 700 */ 701 if (ddi_prop_exists(DDI_DEV_T_ANY, devi, 702 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 703 "pm-want-child-notification?") != 1) { 704 if (pshot_debug) { 705 cmn_err(CE_CONT, "pshot%d: DDI_ATTACH:" 706 " STRICT PARENT\n", instance); 707 } 708 mutex_enter(&pshot->lock); 709 pshot->state |= STRICT_PARENT; 710 mutex_exit(&pshot->lock); 711 } else { 712 if (pshot_debug) { 713 cmn_err(CE_CONT, "pshot%d: DDI_ATTACH:" 714 " INVOLVED PARENT\n", instance); 715 } 716 mutex_enter(&pshot->lock); 717 pshot->state &= ~STRICT_PARENT; 718 mutex_exit(&pshot->lock); 719 } 720 721 /* 722 * create the pm-components property: one component 723 * with 4 power levels. 724 * - skip for pshot@XXX,nopm and pshot@XXX,nopm_strict: 725 * "no-pm-components" property 726 */ 727 if (ddi_prop_exists(DDI_DEV_T_ANY, devi, 728 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 729 "no-pm-components") == 0) { 730 if (pshot_debug) { 731 cmn_err(CE_CONT, "pshot%d: DDI_ATTACH:" 732 " create the \"pm_components\" property\n", 733 instance); 734 } 735 if (ddi_prop_update_string_array(DDI_DEV_T_NONE, devi, 736 "pm-components", pm_comp, 5) != DDI_PROP_SUCCESS) { 737 cmn_err(CE_WARN, "%s%d: DDI_ATTACH:\n\t" 738 " unable to create the \"pm-components\"" 739 " property", ddi_get_name(devi), 740 ddi_get_instance(devi)); 741 742 goto FAIL_ATTACH; 743 } 744 } else { 745 if (pshot_debug) { 746 cmn_err(CE_CONT, "pshot%d: DDI_ATTACH:" 747 " NO-PM_COMPONENTS PARENT\n", instance); 748 } 749 mutex_enter(&pshot->lock); 750 pshot->state &= ~PM_SUPPORTED; 751 mutex_exit(&pshot->lock); 752 } 753 754 /* 755 * create the property needed to get DDI_SUSPEND 756 * and DDI_RESUME calls 757 */ 758 if (pshot_debug) { 759 cmn_err(CE_CONT, "pshot%d: DDI_ATTACH:" 760 " create pm-hardware-state property\n", 761 instance); 762 } 763 if (ddi_prop_update_string(DDI_DEV_T_NONE, devi, 764 "pm-hardware-state", pm_hw_state) != DDI_PROP_SUCCESS) { 765 cmn_err(CE_WARN, "%s%d: DDI_ATTACH:\n\t" 766 " unable to create the \"pm-hardware-state\"" 767 " property", ddi_get_name(devi), 768 ddi_get_instance(devi)); 769 770 goto FAIL_ATTACH; 771 } 772 773 /* 774 * set power level to max via pm_raise_power(), 775 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 776 */ 777 if (pshot->state & PM_SUPPORTED) { 778 if (pshot_debug) { 779 cmn_err(CE_CONT, "pshot%d: DDI_ATTACH:" 780 " raise power to MAXPWR\n", instance); 781 } 782 if (pm_raise_power(pshot->dip, 0, MAXPWR) != 783 DDI_SUCCESS) { 784 cmn_err(CE_WARN, "%s%d: DDI_ATTACH:" 785 " pm_raise_power failed", 786 ddi_get_name(devi), 787 ddi_get_instance(devi)); 788 789 goto FAIL_ATTACH; 790 791 } 792 } 793 794 if (pshot_log) 795 cmn_err(CE_CONT, "pshot%d attached\n", instance); 796 ddi_report_dev(devi); 797 798 return (DDI_SUCCESS); 799 /*NOTREACHED*/ 800 FAIL_ATTACH: 801 ddi_remove_minor_node(devi, NULL); 802 mutex_destroy(&pshot->lock); 803 ddi_soft_state_free(pshot_softstatep, instance); 804 return (DDI_FAILURE); 805 806 case DDI_RESUME: 807 if (pshot_debug) { 808 cmn_err(CE_CONT, "pshot%d: DDI_RESUME: resuming\n", 809 instance); 810 } 811 pshot = ddi_get_soft_state(pshot_softstatep, instance); 812 813 /* 814 * set power level to max via pm_raise_power(), 815 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 816 */ 817 if (pshot->state & PM_SUPPORTED) { 818 if (pshot_debug) { 819 cmn_err(CE_CONT, "pshot%d: DDI_RESUME:" 820 " raise power to MAXPWR\n", instance); 821 } 822 if (pm_raise_power(pshot->dip, 0, MAXPWR) != 823 DDI_SUCCESS) { 824 cmn_err(CE_WARN, "%s%d: DDI_RESUME:" 825 " pm_raise_power failed", 826 ddi_get_name(devi), 827 ddi_get_instance(devi)); 828 } 829 } 830 831 if (pshot_debug) { 832 cmn_err(CE_CONT, "pshot%d: DDI_RESUME: resumed\n", 833 instance); 834 } 835 return (DDI_SUCCESS); 836 837 default: 838 return (DDI_FAILURE); 839 } 840 } 841 842 static int 843 pshot_detach(dev_info_t *devi, ddi_detach_cmd_t cmd) 844 { 845 int instance = ddi_get_instance(devi); 846 int i, rval; 847 pshot_t *pshot = ddi_get_soft_state(pshot_softstatep, instance); 848 int level_tmp; 849 850 if (pshot == NULL) 851 return (DDI_FAILURE); 852 853 switch (cmd) { 854 855 case DDI_DETACH: 856 if (pshot_debug) 857 cmn_err(CE_CONT, "pshot%d: DDI_DETACH\n", instance); 858 /* 859 * power off component 0 860 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 861 */ 862 if (pshot->state & PM_SUPPORTED) { 863 if (pshot_debug) { 864 cmn_err(CE_CONT, "pshot%d: DDI_DETACH:" 865 " power off\n", instance); 866 } 867 if (pm_lower_power(pshot->dip, 0, 0) != DDI_SUCCESS) { 868 cmn_err(CE_WARN, "%s%d: DDI_DETACH:\n\t" 869 "pm_lower_power failed for comp 0 to" 870 " level 0", ddi_get_name(devi), 871 ddi_get_instance(devi)); 872 873 return (DDI_FAILURE); 874 } 875 876 /* 877 * Check if the power level is actually OFF. 878 * Issue pm_power_has_changed if not. 879 */ 880 mutex_enter(&pshot->lock); 881 if (pshot->level != 0) { 882 if (pshot_debug) { 883 cmn_err(CE_NOTE, "pshot%d:" 884 " DDI_DETACH: power off via" 885 " pm_power_has_changed instead\n", 886 instance); 887 } 888 level_tmp = pshot->level; 889 pshot->level = 0; 890 if (pm_power_has_changed(pshot->dip, 0, 0) != 891 DDI_SUCCESS) { 892 if (pshot_debug) { 893 cmn_err(CE_NOTE, "pshot%d:" 894 " DDI_DETACH:" 895 " pm_power_has_changed" 896 " failed\n", instance); 897 } 898 pshot->level = level_tmp; 899 mutex_exit(&pshot->lock); 900 901 return (DDI_FAILURE); 902 } 903 } 904 mutex_exit(&pshot->lock); 905 } 906 907 for (i = 0; i < PSHOT_N_DDI_EVENTS; i++) { 908 if (pshot->callback_cache[i] != NULL) { 909 rval = ddi_remove_event_handler( 910 pshot->callback_cache[i]); 911 ASSERT(rval == DDI_SUCCESS); 912 } 913 } 914 915 #ifdef DEBUG 916 for (i = 0; i < PSHOT_N_TEST_EVENTS; i++) { 917 if (pshot->test_callback_cache[i] != NULL) { 918 rval = ddi_remove_event_handler( 919 pshot->test_callback_cache[i]); 920 ASSERT(rval == DDI_SUCCESS); 921 } 922 } 923 #endif 924 rval = ndi_event_free_hdl(pshot->ndi_event_hdl); 925 ASSERT(rval == DDI_SUCCESS); 926 927 if (pshot_log) 928 cmn_err(CE_CONT, "pshot%d detached\n", instance); 929 930 ddi_remove_minor_node(devi, NULL); 931 mutex_destroy(&pshot->lock); 932 ddi_soft_state_free(pshot_softstatep, instance); 933 break; 934 935 case DDI_SUSPEND: 936 if (pshot_debug) 937 cmn_err(CE_CONT, "pshot%d: DDI_SUSPEND\n", instance); 938 /* 939 * fail the suspend if FAIL_SUSPEND_FLAG is set. 940 * clear the FAIL_SUSPEND_FLAG flag 941 */ 942 mutex_enter(&pshot->lock); 943 if (pshot->state & FAIL_SUSPEND_FLAG) { 944 if (pshot_debug) { 945 cmn_err(CE_CONT, "pshot%d:" 946 " FAIL_SUSPEND_FLAG set, fail suspend\n", 947 ddi_get_instance(devi)); 948 } 949 pshot->state &= ~FAIL_SUSPEND_FLAG; 950 rval = DDI_FAILURE; 951 } else { 952 rval = DDI_SUCCESS; 953 } 954 mutex_exit(&pshot->lock); 955 956 /* 957 * power OFF via pm_power_has_changed 958 */ 959 mutex_enter(&pshot->lock); 960 if (pshot->state & PM_SUPPORTED) { 961 if (pshot_debug) { 962 cmn_err(CE_CONT, "pshot%d: DDI_SUSPEND:" 963 " power off via pm_power_has_changed\n", 964 instance); 965 } 966 level_tmp = pshot->level; 967 pshot->level = 0; 968 if (pm_power_has_changed(pshot->dip, 0, 0) != 969 DDI_SUCCESS) { 970 if (pshot_debug) { 971 cmn_err(CE_NOTE, "pshot%d:" 972 " DDI_SUSPEND:" 973 " pm_power_has_changed failed\n", 974 instance); 975 } 976 pshot->level = level_tmp; 977 rval = DDI_FAILURE; 978 } 979 } 980 mutex_exit(&pshot->lock); 981 return (rval); 982 983 default: 984 break; 985 } 986 987 return (DDI_SUCCESS); 988 } 989 990 991 /* 992 * returns number of bits to represent <val> 993 */ 994 static size_t 995 pshot_numbits(size_t val) 996 { 997 size_t bitcnt; 998 999 if (val == 0) 1000 return (0); 1001 for (bitcnt = 1; 1 << bitcnt < val; bitcnt++) 1002 ; 1003 return (bitcnt); 1004 } 1005 1006 /* 1007 * returns a minor number encoded with instance <inst> and an index <nodenum> 1008 * that identifies the minor node for this instance 1009 */ 1010 static minor_t 1011 pshot_minor_encode(int inst, minor_t nodenum) 1012 { 1013 return (((minor_t)inst << PSHOT_NODENUM_BITS()) | 1014 (((1 << PSHOT_NODENUM_BITS()) - 1) & nodenum)); 1015 } 1016 1017 /* 1018 * returns instance of <minor> 1019 */ 1020 static int 1021 pshot_minor_decode_inst(minor_t minor) 1022 { 1023 return (minor >> PSHOT_NODENUM_BITS()); 1024 } 1025 1026 /* 1027 * returns node number indexing a minor node for the instance in <minor> 1028 */ 1029 static minor_t 1030 pshot_minor_decode_nodenum(minor_t minor) 1031 { 1032 return (minor & ((1 << PSHOT_NODENUM_BITS()) - 1)); 1033 } 1034 1035 1036 /* 1037 * pshot_bus_introp: pshot convert an interrupt number to an 1038 * interrupt. NO OP for pseudo drivers. 1039 */ 1040 /*ARGSUSED*/ 1041 static int 1042 pshot_bus_introp(dev_info_t *dip, dev_info_t *rdip, ddi_intr_op_t intr_op, 1043 ddi_intr_handle_impl_t *hdlp, void *result) 1044 { 1045 return (DDI_FAILURE); 1046 } 1047 static int 1048 pshot_ctl(dev_info_t *dip, dev_info_t *rdip, 1049 ddi_ctl_enum_t ctlop, void *arg, void *result) 1050 { 1051 int instance; 1052 pshot_t *pshot; 1053 char *childname; 1054 int childinstance; 1055 char *name; 1056 struct attachspec *as; 1057 struct detachspec *ds; 1058 int rval = DDI_SUCCESS; 1059 int no_pm_components_child; 1060 1061 name = ddi_get_name(dip); 1062 instance = ddi_get_instance(dip); 1063 pshot = ddi_get_soft_state(pshot_softstatep, instance); 1064 if (pshot == NULL) { 1065 return (ENXIO); 1066 } 1067 1068 switch (ctlop) { 1069 case DDI_CTLOPS_REPORTDEV: 1070 if (rdip == (dev_info_t *)0) 1071 return (DDI_FAILURE); 1072 cmn_err(CE_CONT, "?pshot-device: %s%d\n", 1073 ddi_get_name(rdip), ddi_get_instance(rdip)); 1074 return (DDI_SUCCESS); 1075 1076 case DDI_CTLOPS_INITCHILD: 1077 { 1078 dev_info_t *child = (dev_info_t *)arg; 1079 1080 if (pshot_debug) { 1081 cmn_err(CE_CONT, "initchild %s%d/%s%d state 0x%x\n", 1082 ddi_get_name(dip), ddi_get_instance(dip), 1083 ddi_node_name(child), ddi_get_instance(child), 1084 DEVI(child)->devi_state); 1085 } 1086 1087 return (pshot_initchild(dip, child)); 1088 } 1089 1090 case DDI_CTLOPS_UNINITCHILD: 1091 { 1092 dev_info_t *child = (dev_info_t *)arg; 1093 1094 if (pshot_debug) { 1095 cmn_err(CE_CONT, "uninitchild %s%d/%s%d state 0x%x\n", 1096 ddi_get_name(dip), ddi_get_instance(dip), 1097 ddi_node_name(child), ddi_get_instance(child), 1098 DEVI(child)->devi_state); 1099 } 1100 1101 return (pshot_uninitchild(dip, child)); 1102 } 1103 1104 case DDI_CTLOPS_DMAPMAPC: 1105 case DDI_CTLOPS_REPORTINT: 1106 case DDI_CTLOPS_REGSIZE: 1107 case DDI_CTLOPS_NREGS: 1108 case DDI_CTLOPS_SIDDEV: 1109 case DDI_CTLOPS_SLAVEONLY: 1110 case DDI_CTLOPS_AFFINITY: 1111 case DDI_CTLOPS_POKE: 1112 case DDI_CTLOPS_PEEK: 1113 /* 1114 * These ops correspond to functions that "shouldn't" be called 1115 * by a pseudo driver. So we whine when we're called. 1116 */ 1117 cmn_err(CE_CONT, "%s%d: invalid op (%d) from %s%d\n", 1118 ddi_get_name(dip), ddi_get_instance(dip), 1119 ctlop, ddi_get_name(rdip), ddi_get_instance(rdip)); 1120 return (DDI_FAILURE); 1121 1122 case DDI_CTLOPS_ATTACH: 1123 { 1124 dev_info_t *child = (dev_info_t *)rdip; 1125 childname = ddi_node_name(child); 1126 childinstance = ddi_get_instance(child); 1127 as = (struct attachspec *)arg; 1128 1129 no_pm_components_child = 0; 1130 if (ddi_prop_exists(DDI_DEV_T_ANY, child, 1131 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 1132 "no-pm-components") == 1) { 1133 no_pm_components_child = 1; 1134 } 1135 if (pshot_debug) { 1136 cmn_err(CE_CONT, "%s%d: ctl_attach %s%d [%d]\n", 1137 name, instance, childname, childinstance, 1138 no_pm_components_child); 1139 } 1140 1141 ndi_devi_enter(dip); 1142 1143 switch (as->when) { 1144 case DDI_PRE: 1145 /* 1146 * Mark nexus busy before a child attaches. 1147 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm 1148 * - pshot@XXX,nopm_strict) 1149 */ 1150 if (!(pshot->state & PM_SUPPORTED)) 1151 break; 1152 mutex_enter(&pshot->lock); 1153 ++(pshot->busy); 1154 if (pshot_debug_busy) { 1155 cmn_err(CE_CONT, "%s%d:" 1156 " ctl_attach_pre: busy for %s%d:" 1157 " busy = %d\n", name, instance, 1158 childname, childinstance, 1159 pshot->busy); 1160 } 1161 mutex_exit(&pshot->lock); 1162 rval = pm_busy_component(dip, 0); 1163 ASSERT(rval == DDI_SUCCESS); 1164 break; 1165 case DDI_POST: 1166 /* 1167 * Mark nexus idle after a child attaches. 1168 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm). 1169 * - also skip if this is not a stict parent and 1170 * - the child is a tape device or a no-pm-components 1171 * - nexus node. 1172 */ 1173 if (!(pshot->state & PM_SUPPORTED) || 1174 (strcmp(childname, "tape") == 0 && 1175 !(pshot->state & STRICT_PARENT)) || 1176 no_pm_components_child) 1177 break; 1178 mutex_enter(&pshot->lock); 1179 ASSERT(pshot->busy > 0); 1180 --pshot->busy; 1181 if (pshot_debug_busy) { 1182 cmn_err(CE_CONT, "%s%d:" 1183 " ctl_attach_post: idle for %s%d:" 1184 " busy = %d\n", name, instance, 1185 childname, childinstance, 1186 pshot->busy); 1187 } 1188 mutex_exit(&pshot->lock); 1189 rval = pm_idle_component(dip, 0); 1190 ASSERT(rval == DDI_SUCCESS); 1191 break; 1192 } 1193 1194 ndi_devi_exit(dip); 1195 1196 return (rval); 1197 } 1198 case DDI_CTLOPS_DETACH: 1199 { 1200 dev_info_t *child = (dev_info_t *)rdip; 1201 childname = ddi_node_name(child); 1202 childinstance = ddi_get_instance(child); 1203 ds = (struct detachspec *)arg; 1204 1205 no_pm_components_child = 0; 1206 if (ddi_prop_exists(DDI_DEV_T_ANY, child, 1207 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 1208 "no-pm-components") == 1) { 1209 no_pm_components_child = 1; 1210 } 1211 if (pshot_debug) { 1212 cmn_err(CE_CONT, 1213 "%s%d: ctl_detach %s%d [%d]\n", 1214 name, instance, childname, childinstance, 1215 no_pm_components_child); 1216 } 1217 1218 ndi_devi_enter(dip); 1219 1220 switch (ds->when) { 1221 case DDI_PRE: 1222 /* 1223 * Mark nexus busy before a child detaches. 1224 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm 1225 * - pshot@XXX,nopm_strict), or if the child is a 1226 * - no-pm-components nexus node. 1227 */ 1228 if (!(pshot->state & PM_SUPPORTED) || 1229 (strcmp(childname, "tape") == 0 && 1230 !(pshot->state & STRICT_PARENT)) || 1231 no_pm_components_child) 1232 break; 1233 mutex_enter(&pshot->lock); 1234 ++(pshot->busy); 1235 if (pshot_debug_busy) { 1236 cmn_err(CE_CONT, "%s%d:" 1237 " ctl_detach_pre: busy for %s%d:" 1238 " busy = %d\n", name, instance, 1239 childname, childinstance, 1240 pshot->busy); 1241 } 1242 mutex_exit(&pshot->lock); 1243 rval = pm_busy_component(dip, 0); 1244 ASSERT(rval == DDI_SUCCESS); 1245 1246 break; 1247 case DDI_POST: 1248 /* 1249 * Mark nexus idle after a child detaches. 1250 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 1251 */ 1252 if (!(pshot->state & PM_SUPPORTED)) 1253 break; 1254 mutex_enter(&pshot->lock); 1255 ASSERT(pshot->busy > 0); 1256 --pshot->busy; 1257 if (pshot_debug_busy) { 1258 cmn_err(CE_CONT, "%s%d:" 1259 " ctl_detach_post: idle for %s%d:" 1260 " busy = %d\n", name, instance, 1261 childname, childinstance, 1262 pshot->busy); 1263 } 1264 mutex_exit(&pshot->lock); 1265 rval = pm_idle_component(dip, 0); 1266 ASSERT(rval == DDI_SUCCESS); 1267 1268 /* 1269 * Mark the driver idle if the NO_INVOL_FLAG 1270 * is set. This is needed to make sure the 1271 * parent is idle after the child detaches 1272 * without calling pm_lower_power(). 1273 * Clear the NO_INVOL_FLAG. 1274 * - also mark idle if a tape device has detached 1275 */ 1276 if (!(pshot->state & NO_INVOL_FLAG)) 1277 break; 1278 mutex_enter(&pshot->lock); 1279 ASSERT(pshot->busy > 0); 1280 --pshot->busy; 1281 if (pshot_debug_busy) { 1282 cmn_err(CE_CONT, "%s%d:" 1283 " ctl_detach_post: NO_INVOL:" 1284 " idle for %s%d: busy = %d\n", 1285 name, instance, childname, 1286 childinstance, pshot->busy); 1287 } 1288 pshot->state &= ~NO_INVOL_FLAG; 1289 mutex_exit(&pshot->lock); 1290 rval = pm_idle_component(dip, 0); 1291 ASSERT(rval == DDI_SUCCESS); 1292 1293 break; 1294 } 1295 1296 ndi_devi_exit(dip); 1297 1298 return (rval); 1299 } 1300 1301 case DDI_CTLOPS_BTOP: 1302 case DDI_CTLOPS_BTOPR: 1303 case DDI_CTLOPS_DVMAPAGESIZE: 1304 case DDI_CTLOPS_IOMIN: 1305 case DDI_CTLOPS_PTOB: 1306 default: 1307 /* 1308 * The ops that we pass up (default). We pass up memory 1309 * allocation oriented ops that we receive - these may be 1310 * associated with pseudo HBA drivers below us with target 1311 * drivers below them that use ddi memory allocation 1312 * interfaces like scsi_alloc_consistent_buf. 1313 */ 1314 return (ddi_ctlops(dip, rdip, ctlop, arg, result)); 1315 } 1316 } 1317 1318 /*ARGSUSED0*/ 1319 static int 1320 pshot_power(dev_info_t *dip, int cmpt, int level) 1321 { 1322 pshot_t *pshot; 1323 int instance = ddi_get_instance(dip); 1324 char *name = ddi_node_name(dip); 1325 int rv; 1326 1327 pshot = ddi_get_soft_state(pshot_softstatep, instance); 1328 if (pshot == NULL) { 1329 1330 return (DDI_FAILURE); 1331 } 1332 1333 ndi_devi_enter(dip); 1334 1335 /* 1336 * set POWER_FLAG when power() is called. 1337 * ioctl(DEVCT_PM_POWER) is a clear on read call. 1338 */ 1339 mutex_enter(&pshot->lock); 1340 pshot->state |= POWER_FLAG; 1341 /* 1342 * refuse to power OFF if the component is busy 1343 */ 1344 if (pshot->busy != 0 && pshot->level > level) { 1345 cmn_err(CE_WARN, "%s%d: power: REFUSING POWER LEVEL CHANGE" 1346 " (%d->%d), DEVICE NOT IDLE: busy = %d", 1347 name, instance, pshot->level, level, pshot->busy); 1348 rv = DDI_FAILURE; 1349 } else { 1350 if (pshot_debug) { 1351 cmn_err(CE_CONT, "%s%d: power: comp %d (%d->%d)\n", 1352 name, instance, cmpt, pshot->level, level); 1353 } 1354 pshot->level = level; 1355 rv = DDI_SUCCESS; 1356 } 1357 mutex_exit(&pshot->lock); 1358 1359 ndi_devi_exit(dip); 1360 1361 return (rv); 1362 } 1363 1364 /*ARGSUSED0*/ 1365 static int 1366 pshot_bus_power(dev_info_t *dip, void *impl_arg, pm_bus_power_op_t op, 1367 void *arg, void *result) 1368 1369 { 1370 int ret; 1371 int instance = ddi_get_instance(dip); 1372 char *name = ddi_node_name(dip); 1373 pshot_t *pshot; 1374 pm_bp_child_pwrchg_t *bpc; 1375 pm_bp_nexus_pwrup_t bpn; 1376 pm_bp_has_changed_t *bphc; 1377 int pwrup_res; 1378 int ret_failed = 0; 1379 int pwrup_res_failed = 0; 1380 1381 pshot = ddi_get_soft_state(pshot_softstatep, instance); 1382 if (pshot == NULL) { 1383 1384 return (DDI_FAILURE); 1385 } 1386 1387 switch (op) { 1388 case BUS_POWER_PRE_NOTIFICATION: 1389 bpc = (pm_bp_child_pwrchg_t *)arg; 1390 if (pshot_debug) { 1391 cmn_err(CE_CONT, "%s%d: pre_bus_power:" 1392 " %s%d comp %d (%d->%d)\n", 1393 name, instance, ddi_node_name(bpc->bpc_dip), 1394 ddi_get_instance(bpc->bpc_dip), 1395 bpc->bpc_comp, bpc->bpc_olevel, 1396 bpc->bpc_nlevel); 1397 } 1398 1399 /* 1400 * mark parent busy if old_level is either -1 or 0, 1401 * and new level is == MAXPWR 1402 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 1403 */ 1404 if ((bpc->bpc_comp == 0 && bpc->bpc_nlevel == MAXPWR && 1405 bpc->bpc_olevel <= 0) && (pshot->state & PM_SUPPORTED)) { 1406 mutex_enter(&pshot->lock); 1407 ++(pshot->busy); 1408 if (pshot_debug_busy) { 1409 cmn_err(CE_CONT, 1410 "%s%d: pre_bus_power:" 1411 " busy parent for %s%d (%d->%d): " 1412 " busy = %d\n", 1413 name, instance, 1414 ddi_node_name(bpc->bpc_dip), 1415 ddi_get_instance(bpc->bpc_dip), 1416 bpc->bpc_olevel, bpc->bpc_nlevel, 1417 pshot->busy); 1418 } 1419 mutex_exit(&pshot->lock); 1420 ret = pm_busy_component(dip, 0); 1421 ASSERT(ret == DDI_SUCCESS); 1422 } 1423 1424 /* 1425 * if new_level > 0, power up parent, if not already at 1426 * MAXPWR, via pm_busop_bus_power 1427 * - skip for the no-pm nexus (pshot@XXX,nopm) 1428 */ 1429 if (bpc->bpc_comp == 0 && bpc->bpc_nlevel > 0 && 1430 pshot->level < MAXPWR && (pshot->state & PM_SUPPORTED)) { 1431 /* 1432 * stuff the bpn struct 1433 */ 1434 bpn.bpn_comp = 0; 1435 bpn.bpn_level = MAXPWR; 1436 bpn.bpn_private = bpc->bpc_private; 1437 bpn.bpn_dip = dip; 1438 1439 /* 1440 * ask pm to power parent up 1441 */ 1442 if (pshot_debug) { 1443 cmn_err(CE_CONT, "%s%d: pre_bus_power:" 1444 " pm_busop_bus_power on parent for %s%d" 1445 " (%d->%d): enter", name, instance, 1446 ddi_node_name(bpc->bpc_dip), 1447 ddi_get_instance(bpc->bpc_dip), 1448 bpc->bpc_olevel, bpc->bpc_nlevel); 1449 } 1450 ret = pm_busop_bus_power(dip, impl_arg, 1451 BUS_POWER_NEXUS_PWRUP, (void *)&bpn, 1452 (void *)&pwrup_res); 1453 1454 /* 1455 * check the return status individually, 1456 * idle parent and exit if either failed. 1457 */ 1458 if (ret != DDI_SUCCESS) { 1459 cmn_err(CE_WARN, 1460 "%s%d: pre_bus_power:" 1461 " pm_busop_bus_power FAILED (ret) FOR" 1462 " %s%d (%d->%d)", 1463 name, instance, 1464 ddi_node_name(bpc->bpc_dip), 1465 ddi_get_instance(bpc->bpc_dip), 1466 bpc->bpc_olevel, bpc->bpc_nlevel); 1467 ret_failed = 1; 1468 } 1469 if (pwrup_res != DDI_SUCCESS) { 1470 cmn_err(CE_WARN, 1471 "%s%d: pre_bus_power:" 1472 " pm_busop_bus_power FAILED (pwrup_res)" 1473 " FOR %s%d (%d->%d)", 1474 name, instance, 1475 ddi_node_name(bpc->bpc_dip), 1476 ddi_get_instance(bpc->bpc_dip), 1477 bpc->bpc_olevel, bpc->bpc_nlevel); 1478 pwrup_res_failed = 1; 1479 } 1480 if (ret_failed || pwrup_res_failed) { 1481 /* 1482 * decrement the busy count if it 1483 * had been incremented. 1484 */ 1485 if ((bpc->bpc_comp == 0 && 1486 bpc->bpc_nlevel == MAXPWR && 1487 bpc->bpc_olevel <= 0) && 1488 (pshot->state & PM_SUPPORTED)) { 1489 mutex_enter(&pshot->lock); 1490 ASSERT(pshot->busy > 0); 1491 --(pshot->busy); 1492 if (pshot_debug_busy) { 1493 cmn_err(CE_CONT, "%s%d:" 1494 " pm_busop_bus_power" 1495 " failed: idle parent for" 1496 " %s%d (%d->%d):" 1497 " busy = %d\n", 1498 name, instance, 1499 ddi_node_name( 1500 bpc->bpc_dip), 1501 ddi_get_instance( 1502 bpc->bpc_dip), 1503 bpc->bpc_olevel, 1504 bpc->bpc_nlevel, 1505 pshot->busy); 1506 } 1507 mutex_exit(&pshot->lock); 1508 ret = pm_idle_component(dip, 0); 1509 ASSERT(ret == DDI_SUCCESS); 1510 } 1511 return (DDI_FAILURE); 1512 1513 } else { 1514 if (pshot_debug) { 1515 cmn_err(CE_CONT, 1516 "%s%d: pre_bus_power:" 1517 " pm_busop_bus_power on parent" 1518 " for %s%d (%d->%d)\n", 1519 name, instance, 1520 ddi_node_name(bpc->bpc_dip), 1521 ddi_get_instance(bpc->bpc_dip), 1522 bpc->bpc_olevel, bpc->bpc_nlevel); 1523 } 1524 } 1525 } 1526 break; 1527 1528 case BUS_POWER_POST_NOTIFICATION: 1529 bpc = (pm_bp_child_pwrchg_t *)arg; 1530 if (pshot_debug) { 1531 cmn_err(CE_CONT, "%s%d: post_bus_power:" 1532 " %s%d comp %d (%d->%d) result %d\n", 1533 name, instance, ddi_node_name(bpc->bpc_dip), 1534 ddi_get_instance(bpc->bpc_dip), 1535 bpc->bpc_comp, bpc->bpc_olevel, 1536 bpc->bpc_nlevel, *(int *)result); 1537 } 1538 1539 /* 1540 * handle pm_busop_bus_power() failure case. 1541 * mark parent idle if had been marked busy. 1542 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 1543 */ 1544 if (*(int *)result != DDI_SUCCESS) { 1545 cmn_err(CE_WARN, 1546 "pshot%d: post_bus_power_failed:" 1547 " pm_busop_bus_power FAILED FOR %s%d (%d->%d)", 1548 instance, ddi_node_name(bpc->bpc_dip), 1549 ddi_get_instance(bpc->bpc_dip), 1550 bpc->bpc_olevel, bpc->bpc_nlevel); 1551 1552 if ((bpc->bpc_comp == 0 && bpc->bpc_nlevel == MAXPWR && 1553 bpc->bpc_olevel <= 0) && 1554 (pshot->state & PM_SUPPORTED)) { 1555 mutex_enter(&pshot->lock); 1556 ASSERT(pshot->busy > 0); 1557 --(pshot->busy); 1558 if (pshot_debug_busy) { 1559 cmn_err(CE_CONT, "%s%d:" 1560 " post_bus_power_failed:" 1561 " idle parent for %s%d" 1562 " (%d->%d): busy = %d\n", 1563 name, instance, 1564 ddi_node_name(bpc->bpc_dip), 1565 ddi_get_instance(bpc->bpc_dip), 1566 bpc->bpc_olevel, bpc->bpc_nlevel, 1567 pshot->busy); 1568 } 1569 mutex_exit(&pshot->lock); 1570 ret = pm_idle_component(dip, 0); 1571 ASSERT(ret == DDI_SUCCESS); 1572 } 1573 } 1574 1575 /* 1576 * Mark nexus idle when a child's comp 0 1577 * is set to level 0 from level 1, 2, or 3 only. 1578 * And only if result arg == DDI_SUCCESS. 1579 * This will leave the parent busy when the child 1580 * does not call pm_lower_power() on detach after 1581 * unsetting the NO_LOWER_POWER flag. 1582 * If so, need to notify the parent to mark itself 1583 * idle anyway, else the no-involumtary-power-cycles 1584 * test cases will report false passes! 1585 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 1586 */ 1587 if ((bpc->bpc_comp == 0 && bpc->bpc_nlevel == 0 && 1588 !(bpc->bpc_olevel <= 0) && 1589 *(int *)result == DDI_SUCCESS) && 1590 (pshot->state & PM_SUPPORTED)) { 1591 mutex_enter(&pshot->lock); 1592 ASSERT(pshot->busy > 0); 1593 --(pshot->busy); 1594 if (pshot_debug_busy) { 1595 cmn_err(CE_CONT, 1596 "%s%d: post_bus_power:" 1597 " idle parent for %s%d (%d->%d):" 1598 " busy = %d\n", name, instance, 1599 ddi_node_name(bpc->bpc_dip), 1600 ddi_get_instance(bpc->bpc_dip), 1601 bpc->bpc_olevel, bpc->bpc_nlevel, 1602 pshot->busy); 1603 } 1604 mutex_exit(&pshot->lock); 1605 ret = pm_idle_component(dip, 0); 1606 ASSERT(ret == DDI_SUCCESS); 1607 } 1608 break; 1609 1610 case BUS_POWER_HAS_CHANGED: 1611 bphc = (pm_bp_has_changed_t *)arg; 1612 if (pshot_debug) { 1613 cmn_err(CE_CONT, "%s%d: has_changed_bus_power:" 1614 " %s%d comp %d (%d->%d) result %d\n", 1615 name, instance, ddi_node_name(bphc->bphc_dip), 1616 ddi_get_instance(bphc->bphc_dip), 1617 bphc->bphc_comp, bphc->bphc_olevel, 1618 bphc->bphc_nlevel, *(int *)result); 1619 } 1620 1621 /* 1622 * Mark nexus idle when a child's comp 0 1623 * is set to level 0 from levels 1, 2, or 3 only. 1624 * 1625 * If powering up child leaf/nexus nodes via 1626 * pm_power_has_changed() calls, first issue 1627 * DEVCTL_PM_BUSY_COMP ioctl to mark parent busy 1628 * before powering the parent up, then power up the 1629 * child node. 1630 * - skip if PM_SUPPORTED is not set (pshot@XXX,nopm) 1631 */ 1632 if ((bphc->bphc_comp == 0 && bphc->bphc_nlevel == 0 && 1633 !(bphc->bphc_olevel <= 0)) && 1634 pshot->state & PM_SUPPORTED) { 1635 mutex_enter(&pshot->lock); 1636 ASSERT(pshot->busy > 0); 1637 --(pshot->busy); 1638 if (pshot_debug_busy) { 1639 cmn_err(CE_CONT, 1640 "%s%d: has_changed_bus_power:" 1641 " idle parent for %s%d (%d->%d):" 1642 " busy = %d\n", name, instance, 1643 ddi_node_name(bphc->bphc_dip), 1644 ddi_get_instance(bphc->bphc_dip), 1645 bphc->bphc_olevel, 1646 bphc->bphc_nlevel, pshot->busy); 1647 } 1648 mutex_exit(&pshot->lock); 1649 ret = pm_idle_component(dip, 0); 1650 ASSERT(ret == DDI_SUCCESS); 1651 } 1652 break; 1653 1654 default: 1655 return (pm_busop_bus_power(dip, impl_arg, op, arg, result)); 1656 1657 } 1658 1659 return (DDI_SUCCESS); 1660 } 1661 1662 static int 1663 pshot_initchild(dev_info_t *dip, dev_info_t *child) 1664 { 1665 char name[64]; 1666 char *bus_addr; 1667 char *c_nodename; 1668 int bus_id; 1669 dev_info_t *enum_child; 1670 int enum_base; 1671 int enum_extent; 1672 1673 1674 /* check for bus_enum node */ 1675 1676 #ifdef NOT_USED 1677 if (impl_ddi_merge_child(child) != DDI_SUCCESS) 1678 return (DDI_FAILURE); 1679 #endif 1680 1681 enum_base = ddi_prop_get_int(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS, 1682 "busid_ebase", 0); 1683 1684 enum_extent = ddi_prop_get_int(DDI_DEV_T_ANY, child, 1685 DDI_PROP_DONTPASS, "busid_range", 0); 1686 1687 /* 1688 * bus enumeration node 1689 */ 1690 if ((enum_base != 0) && (enum_extent != 0)) { 1691 c_nodename = ddi_node_name(child); 1692 bus_id = enum_base; 1693 for (; bus_id < enum_extent; bus_id++) { 1694 if (ndi_devi_alloc(dip, c_nodename, DEVI_PSEUDO_NODEID, 1695 &enum_child) != NDI_SUCCESS) 1696 return (DDI_FAILURE); 1697 1698 (void) sprintf(name, "%d", bus_id); 1699 if (ndi_prop_update_string(DDI_DEV_T_NONE, enum_child, 1700 "bus-addr", name) != DDI_PROP_SUCCESS) { 1701 (void) ndi_devi_free(enum_child); 1702 return (DDI_FAILURE); 1703 } 1704 1705 if (ndi_devi_online(enum_child, 0) != 1706 DDI_SUCCESS) { 1707 (void) ndi_devi_free(enum_child); 1708 return (DDI_FAILURE); 1709 } 1710 } 1711 /* 1712 * fail the enumeration node itself 1713 */ 1714 return (DDI_FAILURE); 1715 } 1716 1717 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, child, 0, "bus-addr", 1718 &bus_addr) != DDI_PROP_SUCCESS) { 1719 cmn_err(CE_WARN, "pshot_initchild: bus-addr not defined (%s)", 1720 ddi_node_name(child)); 1721 return (DDI_NOT_WELL_FORMED); 1722 } 1723 1724 if (strlen(bus_addr) == 0) { 1725 cmn_err(CE_WARN, "pshot_initchild: NULL bus-addr (%s)", 1726 ddi_node_name(child)); 1727 ddi_prop_free(bus_addr); 1728 return (DDI_FAILURE); 1729 } 1730 1731 if (strncmp(bus_addr, "failinit", 8) == 0) { 1732 if (pshot_debug) 1733 cmn_err(CE_CONT, 1734 "pshot%d: %s forced INITCHILD failure\n", 1735 ddi_get_instance(dip), bus_addr); 1736 ddi_prop_free(bus_addr); 1737 return (DDI_FAILURE); 1738 } 1739 1740 if (pshot_log) { 1741 cmn_err(CE_CONT, "initchild %s%d/%s@%s\n", 1742 ddi_get_name(dip), ddi_get_instance(dip), 1743 ddi_node_name(child), bus_addr); 1744 } 1745 1746 ddi_set_name_addr(child, bus_addr); 1747 ddi_prop_free(bus_addr); 1748 return (DDI_SUCCESS); 1749 } 1750 1751 /*ARGSUSED*/ 1752 static int 1753 pshot_uninitchild(dev_info_t *dip, dev_info_t *child) 1754 { 1755 ddi_set_name_addr(child, NULL); 1756 return (DDI_SUCCESS); 1757 } 1758 1759 1760 /* 1761 * devctl IOCTL support 1762 */ 1763 /* ARGSUSED */ 1764 static int 1765 pshot_open(dev_t *devp, int flags, int otyp, cred_t *credp) 1766 { 1767 int instance; 1768 pshot_t *pshot; 1769 1770 if (otyp != OTYP_CHR) 1771 return (EINVAL); 1772 1773 instance = pshot_minor_decode_inst(getminor(*devp)); 1774 if ((pshot = ddi_get_soft_state(pshot_softstatep, instance)) == NULL) 1775 return (ENXIO); 1776 1777 /* 1778 * Access is currently determined on a per-instance basis. 1779 * If we want per-node, then need to add state and lock members to 1780 * pshot_minor_t 1781 */ 1782 mutex_enter(&pshot->lock); 1783 if (((flags & FEXCL) && (pshot->state & IS_OPEN)) || 1784 (!(flags & FEXCL) && (pshot->state & IS_OPEN_EXCL))) { 1785 mutex_exit(&pshot->lock); 1786 return (EBUSY); 1787 } 1788 pshot->state |= IS_OPEN; 1789 if (flags & FEXCL) 1790 pshot->state |= IS_OPEN_EXCL; 1791 1792 if (pshot_debug) 1793 cmn_err(CE_CONT, "pshot%d open\n", instance); 1794 1795 mutex_exit(&pshot->lock); 1796 return (0); 1797 } 1798 1799 /* 1800 * pshot_close 1801 */ 1802 /* ARGSUSED */ 1803 static int 1804 pshot_close(dev_t dev, int flag, int otyp, cred_t *credp) 1805 { 1806 int instance; 1807 pshot_t *pshot; 1808 1809 if (otyp != OTYP_CHR) 1810 return (EINVAL); 1811 1812 instance = pshot_minor_decode_inst(getminor(dev)); 1813 if ((pshot = ddi_get_soft_state(pshot_softstatep, instance)) == NULL) 1814 return (ENXIO); 1815 1816 mutex_enter(&pshot->lock); 1817 pshot->state &= ~(IS_OPEN | IS_OPEN_EXCL); 1818 mutex_exit(&pshot->lock); 1819 if (pshot_debug) 1820 cmn_err(CE_CONT, "pshot%d closed\n", instance); 1821 return (0); 1822 } 1823 1824 1825 /* 1826 * pshot_ioctl: redirects to appropriate command handler based on various 1827 * criteria 1828 */ 1829 /* ARGSUSED */ 1830 static int 1831 pshot_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, 1832 int *rvalp) 1833 { 1834 pshot_t *pshot; 1835 int instance; 1836 minor_t nodenum; 1837 char *nodename; 1838 1839 instance = pshot_minor_decode_inst(getminor(dev)); 1840 if ((pshot = ddi_get_soft_state(pshot_softstatep, instance)) == NULL) 1841 return (ENXIO); 1842 1843 nodenum = pshot_minor_decode_nodenum(getminor(dev)); 1844 nodename = pshot->nodes[nodenum].name; 1845 1846 if (pshot_debug) 1847 cmn_err(CE_CONT, 1848 "pshot%d ioctl: dev=%p, cmd=%x, arg=%p, mode=%x\n", 1849 instance, (void *)dev, cmd, (void *)arg, mode); 1850 1851 if (strcmp(nodename, PSHOT_NODENAME_DEVCTL) == 0) 1852 return (pshot_devctl(pshot, nodenum, cmd, arg, mode, credp, 1853 rvalp)); 1854 1855 if (strcmp(nodename, PSHOT_NODENAME_TESTCTL) == 0) 1856 return (pshot_testctl(pshot, nodenum, cmd, arg, mode, credp, 1857 rvalp)); 1858 1859 cmn_err(CE_WARN, "pshot_ioctl: unmatched nodename on minor %u", 1860 pshot->nodes[nodenum].minor); 1861 return (ENXIO); 1862 } 1863 1864 1865 /* 1866 * pshot_devctl: handle DEVCTL operations 1867 */ 1868 /* ARGSUSED */ 1869 static int 1870 pshot_devctl(pshot_t *pshot, minor_t nodenum, int cmd, intptr_t arg, int mode, 1871 cred_t *credp, int *rvalp) 1872 { 1873 dev_info_t *self; 1874 dev_info_t *child = NULL; 1875 struct devctl_iocdata *dcp; 1876 uint_t state; 1877 int rv = 0; 1878 uint_t flags; 1879 int instance; 1880 int i; 1881 int ret; 1882 1883 self = pshot->dip; 1884 1885 flags = (pshot_devctl_debug) ? NDI_DEVI_DEBUG : 0; 1886 instance = pshot->instance; 1887 1888 /* 1889 * We can use the generic implementation for these ioctls 1890 */ 1891 for (i = 0; pshot_devctls[i].ioctl_int != 0; i++) { 1892 if (pshot_devctls[i].ioctl_int == cmd) { 1893 if (pshot_debug) 1894 cmn_err(CE_CONT, "pshot%d devctl: %s", 1895 instance, pshot_devctls[i].ioctl_char); 1896 } 1897 } 1898 switch (cmd) { 1899 case DEVCTL_DEVICE_GETSTATE: 1900 case DEVCTL_DEVICE_ONLINE: 1901 case DEVCTL_DEVICE_OFFLINE: 1902 case DEVCTL_DEVICE_REMOVE: 1903 case DEVCTL_BUS_GETSTATE: 1904 case DEVCTL_BUS_DEV_CREATE: 1905 rv = ndi_devctl_ioctl(self, cmd, arg, mode, flags); 1906 if (pshot_debug && rv != 0) { 1907 cmn_err(CE_CONT, "pshot%d ndi_devctl_ioctl:" 1908 " failed, rv = %d", instance, rv); 1909 } 1910 1911 return (rv); 1912 } 1913 1914 /* 1915 * read devctl ioctl data 1916 */ 1917 if (ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) 1918 return (EFAULT); 1919 1920 switch (cmd) { 1921 1922 case DEVCTL_DEVICE_RESET: 1923 if (pshot_debug) 1924 cmn_err(CE_CONT, "pshot%d devctl:" 1925 " DEVCTL_DEVICE_RESET\n", instance); 1926 rv = pshot_event(pshot, PSHOT_EVENT_TAG_DEV_RESET, 1927 child, (void *)self); 1928 ASSERT(rv == NDI_SUCCESS); 1929 break; 1930 1931 case DEVCTL_BUS_QUIESCE: 1932 if (pshot_debug) 1933 cmn_err(CE_CONT, "pshot%d devctl:" 1934 " DEVCTL_BUS_QUIESCE\n", instance); 1935 if (ndi_get_bus_state(self, &state) == NDI_SUCCESS) { 1936 if (state == BUS_QUIESCED) { 1937 break; 1938 } 1939 (void) ndi_set_bus_state(self, BUS_QUIESCED); 1940 } 1941 rv = pshot_event(pshot, PSHOT_EVENT_TAG_BUS_QUIESCE, 1942 child, (void *)self); 1943 ASSERT(rv == NDI_SUCCESS); 1944 1945 break; 1946 1947 case DEVCTL_BUS_UNQUIESCE: 1948 if (pshot_debug) 1949 cmn_err(CE_CONT, "pshot%d devctl:" 1950 " DEVCTL_BUS_UNQUIESCE\n", instance); 1951 if (ndi_get_bus_state(self, &state) == NDI_SUCCESS) { 1952 if (state == BUS_ACTIVE) { 1953 break; 1954 } 1955 } 1956 1957 /* 1958 * quiesce the bus through bus-specific means 1959 */ 1960 (void) ndi_set_bus_state(self, BUS_ACTIVE); 1961 rv = pshot_event(pshot, PSHOT_EVENT_TAG_BUS_UNQUIESCE, 1962 child, (void *)self); 1963 ASSERT(rv == NDI_SUCCESS); 1964 break; 1965 1966 case DEVCTL_BUS_RESET: 1967 case DEVCTL_BUS_RESETALL: 1968 /* 1969 * no reset support for the pseudo bus 1970 * but if there were.... 1971 */ 1972 rv = pshot_event(pshot, PSHOT_EVENT_TAG_BUS_RESET, 1973 child, (void *)self); 1974 ASSERT(rv == NDI_SUCCESS); 1975 break; 1976 1977 /* 1978 * PM related ioctls 1979 */ 1980 case DEVCTL_PM_BUSY_COMP: 1981 /* 1982 * mark component 0 busy. 1983 * Keep track of ioctl updates to the busy count 1984 * via pshot->busy_ioctl. 1985 */ 1986 if (pshot_debug) { 1987 cmn_err(CE_CONT, "pshot%d devctl:" 1988 " DEVCTL_PM_BUSY_COMP\n", instance); 1989 } 1990 mutex_enter(&pshot->lock); 1991 ++(pshot->busy); 1992 ++(pshot->busy_ioctl); 1993 if (pshot_debug_busy) { 1994 cmn_err(CE_CONT, "pshot%d:" 1995 " DEVCTL_PM_BUSY_COMP comp 0 busy" 1996 " %d busy_ioctl %d\n", instance, pshot->busy, 1997 pshot->busy_ioctl); 1998 } 1999 mutex_exit(&pshot->lock); 2000 ret = pm_busy_component(pshot->dip, 0); 2001 ASSERT(ret == DDI_SUCCESS); 2002 2003 break; 2004 2005 case DEVCTL_PM_BUSY_COMP_TEST: 2006 /* 2007 * test bus's busy state 2008 */ 2009 if (pshot_debug) { 2010 cmn_err(CE_CONT, "pshot%d devctl:" 2011 " DEVCTL_PM_BUSY_COMP_TEST\n", instance); 2012 } 2013 mutex_enter(&pshot->lock); 2014 state = pshot->busy; 2015 if (copyout(&state, dcp->cpyout_buf, 2016 sizeof (uint_t)) != 0) { 2017 cmn_err(CE_WARN, "pshot%d devctl:" 2018 " DEVCTL_PM_BUSY_COMP_TEST: copyout failed", 2019 instance); 2020 rv = EINVAL; 2021 } 2022 if (pshot_debug_busy) { 2023 cmn_err(CE_CONT, "pshot%d: DEVCTL_PM_BUSY_COMP_TEST:" 2024 " comp 0 busy %d busy_ioctl %d\n", instance, 2025 state, pshot->busy_ioctl); 2026 } 2027 mutex_exit(&pshot->lock); 2028 break; 2029 2030 case DEVCTL_PM_IDLE_COMP: 2031 /* 2032 * mark component 0 idle. 2033 * NOP if pshot->busy_ioctl <= 0. 2034 */ 2035 if (pshot_debug) { 2036 cmn_err(CE_CONT, "pshot%d devctl:" 2037 " DEVCTL_PM_IDLE_COMP\n", instance); 2038 } 2039 mutex_enter(&pshot->lock); 2040 if (pshot->busy_ioctl > 0) { 2041 ASSERT(pshot->busy > 0); 2042 --(pshot->busy); 2043 --(pshot->busy_ioctl); 2044 if (pshot_debug_busy) { 2045 cmn_err(CE_CONT, "pshot%d:" 2046 " DEVCTL_PM_IDLE_COM: comp 0" 2047 " busy %d busy_ioctl %d\n", instance, 2048 pshot->busy, pshot->busy_ioctl); 2049 } 2050 mutex_exit(&pshot->lock); 2051 ret = pm_idle_component(pshot->dip, 0); 2052 ASSERT(ret == DDI_SUCCESS); 2053 2054 } else { 2055 mutex_exit(&pshot->lock); 2056 } 2057 break; 2058 2059 case DEVCTL_PM_RAISE_PWR: 2060 /* 2061 * raise component 0 to full power level MAXPWR via a 2062 * pm_raise_power() call 2063 */ 2064 if (pshot_debug) { 2065 cmn_err(CE_CONT, "pshot%d devctl:" 2066 " DEVCTL_PM_RAISE_PWR\n", instance); 2067 } 2068 if (pm_raise_power(pshot->dip, 0, MAXPWR) != DDI_SUCCESS) { 2069 rv = EINVAL; 2070 } else { 2071 mutex_enter(&pshot->lock); 2072 if (pshot_debug) { 2073 cmn_err(CE_CONT, "pshot%d:" 2074 " DEVCTL_PM_RAISE_POWER: comp 0" 2075 " to level %d\n", instance, pshot->level); 2076 } 2077 mutex_exit(&pshot->lock); 2078 } 2079 break; 2080 2081 case DEVCTL_PM_LOWER_PWR: 2082 /* 2083 * pm_lower_power() call for negative testing 2084 * expected to fail. 2085 */ 2086 if (pshot_debug) { 2087 cmn_err(CE_CONT, "pshot%d devctl:" 2088 " DEVCTL_PM_LOWER_PWR\n", instance); 2089 } 2090 if (pm_lower_power(pshot->dip, 0, 0) != DDI_SUCCESS) { 2091 rv = EINVAL; 2092 } else { 2093 mutex_enter(&pshot->lock); 2094 if (pshot_debug) { 2095 cmn_err(CE_CONT, "pshot%d:" 2096 " DEVCTL_PM_LOWER_POWER comp 0" 2097 " to level %d\n", instance, pshot->level); 2098 } 2099 mutex_exit(&pshot->lock); 2100 } 2101 break; 2102 2103 case DEVCTL_PM_CHANGE_PWR_LOW: 2104 /* 2105 * inform the PM framework that component 0 has changed 2106 * power level to 0 via a pm_power_has_changed() call 2107 */ 2108 if (pshot_debug) { 2109 cmn_err(CE_CONT, "pshot%d devctl:" 2110 " DEVCTL_PM_CHANGE_PWR_LOW\n", instance); 2111 } 2112 mutex_enter(&pshot->lock); 2113 pshot->level = 0; 2114 if (pm_power_has_changed(pshot->dip, 0, 0) != DDI_SUCCESS) { 2115 rv = EINVAL; 2116 } else { 2117 if (pshot_debug) { 2118 cmn_err(CE_CONT, "pshot%d:" 2119 " DEVCTL_PM_CHANGE_PWR_LOW comp 0 to" 2120 " level %d\n", instance, pshot->level); 2121 } 2122 } 2123 mutex_exit(&pshot->lock); 2124 break; 2125 2126 case DEVCTL_PM_CHANGE_PWR_HIGH: 2127 /* 2128 * inform the PM framework that component 0 has changed 2129 * power level to MAXPWR via a pm_power_has_changed() call 2130 */ 2131 if (pshot_debug) { 2132 cmn_err(CE_CONT, "pshot%d devctl:" 2133 " DEVCTL_PM_CHANGE_PWR_HIGH\n", instance); 2134 } 2135 mutex_enter(&pshot->lock); 2136 pshot->level = MAXPWR; 2137 if (pm_power_has_changed(pshot->dip, 0, MAXPWR) 2138 != DDI_SUCCESS) { 2139 rv = EINVAL; 2140 } else { 2141 if (pshot_debug) { 2142 cmn_err(CE_CONT, "pshot%d:" 2143 " DEVCTL_PM_CHANGE_PWR_HIGH comp 0 to" 2144 " level %d\n", instance, pshot->level); 2145 } 2146 } 2147 mutex_exit(&pshot->lock); 2148 break; 2149 2150 case DEVCTL_PM_POWER: 2151 /* 2152 * test if the pshot_power() routine has been called, 2153 * then clear 2154 */ 2155 if (pshot_debug) { 2156 cmn_err(CE_CONT, "pshot%d devctl:" 2157 " DEVCTL_PM_POWER\n", instance); 2158 } 2159 mutex_enter(&pshot->lock); 2160 state = (pshot->state & POWER_FLAG) ? 1 : 0; 2161 if (copyout(&state, dcp->cpyout_buf, 2162 sizeof (uint_t)) != 0) { 2163 cmn_err(CE_WARN, "pshot%d devctl:" 2164 " DEVCTL_PM_POWER: copyout failed", 2165 instance); 2166 rv = EINVAL; 2167 } 2168 if (pshot_debug) { 2169 cmn_err(CE_CONT, "pshot%d: DEVCTL_PM_POWER:" 2170 " POWER_FLAG = %d\n", instance, state); 2171 } 2172 pshot->state &= ~POWER_FLAG; 2173 mutex_exit(&pshot->lock); 2174 break; 2175 2176 case DEVCTL_PM_FAIL_SUSPEND: 2177 /* 2178 * fail DDI_SUSPEND 2179 */ 2180 if (pshot_debug) { 2181 cmn_err(CE_CONT, "pshot%d devctl:" 2182 " DEVCTL_PM_FAIL_SUSPEND\n", instance); 2183 } 2184 mutex_enter(&pshot->lock); 2185 pshot->state |= FAIL_SUSPEND_FLAG; 2186 mutex_exit(&pshot->lock); 2187 if (pshot_debug) { 2188 cmn_err(CE_CONT, "pshot%d: DEVCTL_PM_FAIL_SUSPEND\n", 2189 instance); 2190 } 2191 break; 2192 2193 case DEVCTL_PM_BUS_STRICT_TEST: 2194 /* 2195 * test the STRICT_PARENT flag: 2196 * set => STRICT PARENT 2197 * not set => INVOLVED PARENT 2198 */ 2199 mutex_enter(&pshot->lock); 2200 state = (pshot->state & STRICT_PARENT) ? 1 : 0; 2201 if (copyout(&state, dcp->cpyout_buf, 2202 sizeof (uint_t)) != 0) { 2203 cmn_err(CE_WARN, "pshot%d devctl:" 2204 " DEVCTL_PM_BUS_STRICT_TEST: copyout failed", 2205 instance); 2206 rv = EINVAL; 2207 } 2208 if (pshot_debug) { 2209 cmn_err(CE_CONT, "pshot%d devctl:" 2210 " DEVCTL_PM_BUS_STRICT_TEST: type = %s\n", 2211 instance, ((state == 0) ? "INVOLVED" : "STRICT")); 2212 } 2213 mutex_exit(&pshot->lock); 2214 break; 2215 2216 case DEVCTL_PM_BUS_NO_INVOL: 2217 /* 2218 * Set the NO_INVOL_FLAG flag to 2219 * notify the driver that the child will not 2220 * call pm_lower_power() on detach. 2221 * The driver needs to mark itself idle twice 2222 * during DDI_CTLOPS_DETACH (post). 2223 */ 2224 if (pshot_debug) { 2225 cmn_err(CE_CONT, "pshot%d devctl:" 2226 " DEVCTL_PM_BUS_NO_INVOL\n", instance); 2227 } 2228 mutex_enter(&pshot->lock); 2229 pshot->state |= NO_INVOL_FLAG; 2230 mutex_exit(&pshot->lock); 2231 break; 2232 2233 default: 2234 rv = ENOTTY; 2235 } 2236 2237 ndi_dc_freehdl(dcp); 2238 return (rv); 2239 } 2240 2241 2242 /* 2243 * pshot_testctl: handle other test operations 2244 * - If <cmd> is a DEVCTL cmd, then <arg> is a dev_t indicating which 2245 * child to direct the DEVCTL to, if applicable; 2246 * furthermore, any cmd here can be sent by layered ioctls (unlike 2247 * those to pshot_devctl() which must come from userland) 2248 */ 2249 /* ARGSUSED */ 2250 static int 2251 pshot_testctl(pshot_t *pshot, minor_t nodenum, int cmd, intptr_t arg, int mode, 2252 cred_t *credp, int *rvalp) 2253 { 2254 dev_info_t *self; 2255 dev_info_t *child = NULL; 2256 uint_t state; 2257 int rv = 0; 2258 int instance; 2259 int i; 2260 2261 /* uint_t flags; */ 2262 2263 /* flags = (pshot_devctl_debug) ? NDI_DEVI_DEBUG : 0; */ 2264 self = pshot->dip; 2265 instance = pshot->instance; 2266 2267 if (cmd & DEVCTL_IOC) { 2268 child = e_ddi_hold_devi_by_dev((dev_t)arg, 0); 2269 } 2270 2271 for (i = 0; pshot_devctls[i].ioctl_int != 0; i++) { 2272 if (pshot_devctls[i].ioctl_int == cmd) { 2273 if (pshot_debug) 2274 cmn_err(CE_CONT, "pshot%d devctl: %s", 2275 instance, pshot_devctls[i].ioctl_char); 2276 } 2277 } 2278 switch (cmd) { 2279 case DEVCTL_DEVICE_RESET: 2280 if (pshot_debug) 2281 cmn_err(CE_CONT, "pshot%d testctl:" 2282 " DEVCTL_PM_POWER\n", instance); 2283 rv = pshot_event(pshot, PSHOT_EVENT_TAG_DEV_RESET, 2284 child, (void *)self); 2285 ASSERT(rv == NDI_SUCCESS); 2286 break; 2287 2288 case DEVCTL_BUS_QUIESCE: 2289 if (pshot_debug) 2290 cmn_err(CE_CONT, "pshot%d testctl:" 2291 " DEVCTL_PM_POWER\n", instance); 2292 if (ndi_get_bus_state(self, &state) == NDI_SUCCESS) { 2293 if (state == BUS_QUIESCED) { 2294 break; 2295 } 2296 (void) ndi_set_bus_state(self, BUS_QUIESCED); 2297 } 2298 rv = pshot_event(pshot, PSHOT_EVENT_TAG_BUS_QUIESCE, 2299 child, (void *)self); 2300 ASSERT(rv == NDI_SUCCESS); 2301 2302 break; 2303 2304 case DEVCTL_BUS_UNQUIESCE: 2305 if (pshot_debug) 2306 cmn_err(CE_CONT, "pshot%d testctl:" 2307 " DEVCTL_PM_POWER\n", instance); 2308 if (ndi_get_bus_state(self, &state) == NDI_SUCCESS) { 2309 if (state == BUS_ACTIVE) { 2310 break; 2311 } 2312 } 2313 2314 /* 2315 * quiesce the bus through bus-specific means 2316 */ 2317 (void) ndi_set_bus_state(self, BUS_ACTIVE); 2318 rv = pshot_event(pshot, PSHOT_EVENT_TAG_BUS_UNQUIESCE, 2319 child, (void *)self); 2320 ASSERT(rv == NDI_SUCCESS); 2321 break; 2322 2323 case DEVCTL_BUS_RESET: 2324 case DEVCTL_BUS_RESETALL: 2325 /* 2326 * no reset support for the pseudo bus 2327 * but if there were.... 2328 */ 2329 rv = pshot_event(pshot, PSHOT_EVENT_TAG_BUS_RESET, 2330 child, (void *)self); 2331 ASSERT(rv == NDI_SUCCESS); 2332 break; 2333 2334 default: 2335 rv = ENOTTY; 2336 } 2337 2338 if (child != NULL) 2339 ddi_release_devi(child); 2340 return (rv); 2341 } 2342 2343 2344 static int 2345 pshot_get_eventcookie(dev_info_t *dip, dev_info_t *rdip, 2346 char *eventname, ddi_eventcookie_t *event_cookiep) 2347 { 2348 int instance = ddi_get_instance(dip); 2349 pshot_t *pshot = ddi_get_soft_state(pshot_softstatep, instance); 2350 2351 if (pshot_debug) 2352 cmn_err(CE_CONT, "pshot%d: " 2353 "pshot_get_eventcookie:\n\t" 2354 "dip = 0x%p rdip = 0x%p (%s/%d) eventname = %s\n", 2355 instance, (void *)dip, (void *)rdip, 2356 ddi_node_name(rdip), ddi_get_instance(rdip), 2357 eventname); 2358 2359 2360 return (ndi_event_retrieve_cookie(pshot->ndi_event_hdl, 2361 rdip, eventname, event_cookiep, NDI_EVENT_NOPASS)); 2362 } 2363 2364 static int 2365 pshot_add_eventcall(dev_info_t *dip, dev_info_t *rdip, 2366 ddi_eventcookie_t cookie, 2367 void (*callback)(), void *arg, ddi_callback_id_t *cb_id) 2368 { 2369 int instance = ddi_get_instance(dip); 2370 pshot_t *pshot = ddi_get_soft_state(pshot_softstatep, instance); 2371 2372 if (pshot_debug) 2373 cmn_err(CE_CONT, "pshot%d: " 2374 "pshot_add_eventcall:\n\t" 2375 "dip = 0x%p rdip = 0x%p (%s%d)\n\tcookie = 0x%p (%s)\n\t" 2376 "cb = 0x%p, arg = 0x%p\n", 2377 instance, (void *)dip, (void *)rdip, 2378 ddi_node_name(rdip), ddi_get_instance(rdip), (void *)cookie, 2379 NDI_EVENT_NAME(cookie), (void *)callback, arg); 2380 2381 /* add callback to our event handle */ 2382 return (ndi_event_add_callback(pshot->ndi_event_hdl, rdip, 2383 cookie, callback, arg, NDI_SLEEP, cb_id)); 2384 } 2385 2386 static int 2387 pshot_remove_eventcall(dev_info_t *dip, ddi_callback_id_t cb_id) 2388 { 2389 2390 ndi_event_callbacks_t *cb = (ndi_event_callbacks_t *)cb_id; 2391 2392 int instance = ddi_get_instance(dip); 2393 pshot_t *pshot = ddi_get_soft_state(pshot_softstatep, instance); 2394 2395 ASSERT(cb); 2396 2397 if (pshot_debug) 2398 cmn_err(CE_CONT, "pshot%d: " 2399 "pshot_remove_eventcall:\n\t" 2400 "dip = 0x%p rdip = 0x%p (%s%d)\n\tcookie = 0x%p (%s)\n", 2401 instance, (void *)dip, (void *)cb->ndi_evtcb_dip, 2402 ddi_node_name(cb->ndi_evtcb_dip), 2403 ddi_get_instance(cb->ndi_evtcb_dip), 2404 (void *)cb->ndi_evtcb_cookie, 2405 NDI_EVENT_NAME(cb->ndi_evtcb_cookie)); 2406 2407 return (ndi_event_remove_callback(pshot->ndi_event_hdl, cb_id)); 2408 } 2409 2410 static int 2411 pshot_post_event(dev_info_t *dip, dev_info_t *rdip, 2412 ddi_eventcookie_t cookie, void *impl_data) 2413 { 2414 int instance = ddi_get_instance(dip); 2415 pshot_t *pshot = ddi_get_soft_state(pshot_softstatep, instance); 2416 2417 if (pshot_debug) { 2418 if (rdip) { 2419 cmn_err(CE_CONT, "pshot%d: " 2420 "pshot_post_event:\n\t" 2421 "dip = 0x%p rdip = 0x%p (%s%d\n\t" 2422 "cookie = 0x%p (%s)\n\tbus_impl = 0x%p\n", 2423 instance, (void *)dip, (void *)rdip, 2424 ddi_node_name(rdip), ddi_get_instance(rdip), 2425 (void *)cookie, 2426 NDI_EVENT_NAME(cookie), impl_data); 2427 } else { 2428 cmn_err(CE_CONT, "pshot%d: " 2429 "pshot_post_event:\n\t" 2430 "dip = 0x%p cookie = 0x%p (%s) bus_impl = 0x%p\n", 2431 instance, (void *)dip, (void *)cookie, 2432 NDI_EVENT_NAME(cookie), impl_data); 2433 } 2434 } 2435 2436 /* run callbacks for this event */ 2437 return (ndi_event_run_callbacks(pshot->ndi_event_hdl, rdip, 2438 cookie, impl_data)); 2439 } 2440 2441 /* 2442 * the nexus driver will generate events 2443 * that need to go to children 2444 */ 2445 static int 2446 pshot_event(pshot_t *pshot, int event_tag, dev_info_t *child, 2447 void *bus_impldata) 2448 { 2449 ddi_eventcookie_t cookie = ndi_event_tag_to_cookie( 2450 pshot->ndi_event_hdl, event_tag); 2451 2452 if (pshot_debug) { 2453 if (child) { 2454 cmn_err(CE_CONT, "pshot%d: " 2455 "pshot_event: event_tag = 0x%x (%s)\n\t" 2456 "child = 0x%p (%s%d) bus_impl = 0x%p (%s%d)\n", 2457 pshot->instance, event_tag, 2458 ndi_event_tag_to_name(pshot->ndi_event_hdl, 2459 event_tag), 2460 (void *)child, ddi_node_name(child), 2461 ddi_get_instance(child), bus_impldata, 2462 ddi_node_name((dev_info_t *)bus_impldata), 2463 ddi_get_instance((dev_info_t *)bus_impldata)); 2464 } else { 2465 cmn_err(CE_CONT, "pshot%d: " 2466 "pshot_event: event_tag = 0x%x (%s)\n\t" 2467 "child = NULL, bus_impl = 0x%p (%s%d)\n", 2468 pshot->instance, event_tag, 2469 ndi_event_tag_to_name(pshot->ndi_event_hdl, 2470 event_tag), 2471 bus_impldata, 2472 ddi_node_name((dev_info_t *)bus_impldata), 2473 ddi_get_instance((dev_info_t *)bus_impldata)); 2474 } 2475 } 2476 2477 return (ndi_event_run_callbacks(pshot->ndi_event_hdl, 2478 child, cookie, bus_impldata)); 2479 } 2480 2481 2482 /* 2483 * the pshot driver event notification callback 2484 */ 2485 static void 2486 pshot_event_cb(dev_info_t *dip, ddi_eventcookie_t cookie, 2487 void *arg, void *bus_impldata) 2488 { 2489 pshot_t *pshot = (pshot_t *)arg; 2490 int event_tag; 2491 2492 /* look up the event */ 2493 event_tag = NDI_EVENT_TAG(cookie); 2494 2495 if (pshot_debug) { 2496 cmn_err(CE_CONT, "pshot%d: " 2497 "pshot_event_cb:\n\t" 2498 "dip = 0x%p cookie = 0x%p (%s), tag = 0x%x\n\t" 2499 "arg = 0x%p bus_impl = 0x%p (%s%d)\n", 2500 pshot->instance, (void *)dip, (void *)cookie, 2501 NDI_EVENT_NAME(cookie), event_tag, arg, bus_impldata, 2502 ddi_node_name((dev_info_t *)bus_impldata), 2503 ddi_get_instance((dev_info_t *)bus_impldata)); 2504 } 2505 2506 switch (event_tag) { 2507 case PSHOT_EVENT_TAG_OFFLINE: 2508 case PSHOT_EVENT_TAG_BUS_RESET: 2509 case PSHOT_EVENT_TAG_BUS_QUIESCE: 2510 case PSHOT_EVENT_TAG_BUS_UNQUIESCE: 2511 /* notify all subscribers of the this event */ 2512 (void) ndi_event_run_callbacks(pshot->ndi_event_hdl, 2513 NULL, cookie, bus_impldata); 2514 if (pshot_debug) { 2515 cmn_err(CE_CONT, "pshot%d: event=%s\n\t" 2516 "pshot_event_cb\n", pshot->instance, 2517 NDI_EVENT_NAME(cookie)); 2518 } 2519 /*FALLTHRU*/ 2520 case PSHOT_EVENT_TAG_TEST_POST: 2521 case PSHOT_EVENT_TAG_DEV_RESET: 2522 default: 2523 return; 2524 } 2525 } 2526 2527 static int 2528 pshot_bus_config(dev_info_t *parent, uint_t flags, 2529 ddi_bus_config_op_t op, void *arg, dev_info_t **childp) 2530 { 2531 int rval; 2532 char *devname; 2533 char *devstr, *cname, *caddr; 2534 int devstrlen; 2535 pshot_t *pshot; 2536 int instance = ddi_get_instance(parent); 2537 2538 if (pshot_debug) { 2539 flags |= NDI_DEVI_DEBUG; 2540 cmn_err(CE_CONT, 2541 "pshot%d: bus_config %s flags=0x%x\n", 2542 ddi_get_instance(parent), 2543 (op == BUS_CONFIG_ONE) ? (char *)arg : "", flags); 2544 } 2545 2546 pshot = ddi_get_soft_state(pshot_softstatep, instance); 2547 if (pshot == NULL) { 2548 2549 return (NDI_FAILURE); 2550 } 2551 2552 /* 2553 * Hold the nexus across the bus_config 2554 */ 2555 ndi_devi_enter(parent); 2556 2557 switch (op) { 2558 case BUS_CONFIG_ONE: 2559 2560 /* 2561 * lookup and hold child device, create if not found 2562 */ 2563 devname = (char *)arg; 2564 devstrlen = strlen(devname) + 1; 2565 devstr = i_ddi_strdup(devname, KM_SLEEP); 2566 i_ddi_parse_name(devstr, &cname, &caddr, NULL); 2567 2568 /* 2569 * The framework ensures that the node has 2570 * a name but each nexus is responsible for 2571 * the bus address name space. This driver 2572 * requires that a bus address be specified, 2573 * as will most nexus drivers. 2574 */ 2575 ASSERT(cname && strlen(cname) > 0); 2576 if (caddr == NULL || strlen(caddr) == 0) { 2577 cmn_err(CE_WARN, 2578 "pshot%d: malformed name %s (no bus address)", 2579 ddi_get_instance(parent), devname); 2580 kmem_free(devstr, devstrlen); 2581 ndi_devi_exit(parent); 2582 return (NDI_FAILURE); 2583 } 2584 2585 /* 2586 * Handle a few special cases for testing purposes 2587 */ 2588 rval = pshot_bus_config_test_specials(parent, 2589 devname, cname, caddr); 2590 2591 if (rval == NDI_SUCCESS) { 2592 /* 2593 * Set up either a leaf or nexus device 2594 */ 2595 if (strcmp(cname, "pshot") == 0) { 2596 rval = pshot_bus_config_setup_nexus(parent, 2597 cname, caddr); 2598 } else { 2599 rval = pshot_bus_config_setup_leaf(parent, 2600 cname, caddr); 2601 } 2602 } 2603 2604 kmem_free(devstr, devstrlen); 2605 break; 2606 2607 case BUS_CONFIG_DRIVER: 2608 case BUS_CONFIG_ALL: 2609 rval = NDI_SUCCESS; 2610 break; 2611 2612 default: 2613 rval = NDI_FAILURE; 2614 break; 2615 } 2616 2617 if (rval == NDI_SUCCESS) 2618 rval = ndi_busop_bus_config(parent, flags, op, arg, childp, 0); 2619 2620 ndi_devi_exit(parent); 2621 2622 if (pshot_debug) 2623 cmn_err(CE_CONT, "pshot%d: bus_config %s\n", 2624 ddi_get_instance(parent), 2625 (rval == NDI_SUCCESS) ? "ok" : "failed"); 2626 2627 return (rval); 2628 } 2629 2630 static int 2631 pshot_bus_unconfig(dev_info_t *parent, uint_t flags, 2632 ddi_bus_config_op_t op, void *arg) 2633 { 2634 major_t major; 2635 int rval = NDI_SUCCESS; 2636 2637 if (pshot_debug) { 2638 flags |= NDI_DEVI_DEBUG; 2639 cmn_err(CE_CONT, 2640 "pshot%d: bus_unconfig %s flags=0x%x\n", 2641 ddi_get_instance(parent), 2642 (op == BUS_UNCONFIG_ONE) ? (char *)arg : "", flags); 2643 } 2644 2645 /* 2646 * Hold the nexus across the bus_unconfig 2647 */ 2648 ndi_devi_enter(parent); 2649 2650 switch (op) { 2651 case BUS_UNCONFIG_ONE: 2652 /* 2653 * Nothing special required here 2654 */ 2655 if (pshot_debug) { 2656 cmn_err(CE_CONT, "pshot%d: bus_unconfig:" 2657 " BUS_UNCONFIG_ONE\n", ddi_get_instance(parent)); 2658 } 2659 break; 2660 2661 case BUS_UNCONFIG_DRIVER: 2662 if (pshot_debug > 0) { 2663 major = (major_t)(uintptr_t)arg; 2664 cmn_err(CE_CONT, 2665 "pshot%d: BUS_UNCONFIG_DRIVER: %s\n", 2666 ddi_get_instance(parent), 2667 ddi_major_to_name(major)); 2668 } 2669 break; 2670 2671 case BUS_UNCONFIG_ALL: 2672 if (pshot_debug) { 2673 cmn_err(CE_CONT, "pshot%d: bus_unconfig:" 2674 " BUS_UNCONFIG_ALL\n", ddi_get_instance(parent)); 2675 } 2676 break; 2677 2678 default: 2679 if (pshot_debug) { 2680 cmn_err(CE_CONT, "pshot%d: bus_unconfig: DEFAULT\n", 2681 ddi_get_instance(parent)); 2682 } 2683 rval = NDI_FAILURE; 2684 } 2685 2686 if (rval == NDI_SUCCESS) 2687 rval = ndi_busop_bus_unconfig(parent, flags, op, arg); 2688 2689 ndi_devi_exit(parent); 2690 2691 if (pshot_debug) 2692 cmn_err(CE_CONT, "pshot%d: bus_unconfig %s\n", 2693 ddi_get_instance(parent), 2694 (rval == NDI_SUCCESS) ? "ok" : "failed"); 2695 2696 return (rval); 2697 } 2698 2699 static dev_info_t * 2700 pshot_findchild(dev_info_t *pdip, char *cname, char *caddr) 2701 { 2702 dev_info_t *dip; 2703 char *addr; 2704 2705 ASSERT(cname != NULL && caddr != NULL); 2706 ASSERT(DEVI_BUSY_OWNED(pdip)); 2707 2708 for (dip = ddi_get_child(pdip); dip != NULL; 2709 dip = ddi_get_next_sibling(dip)) { 2710 if (strcmp(cname, ddi_node_name(dip)) != 0) 2711 continue; 2712 2713 if ((addr = ddi_get_name_addr(dip)) == NULL) { 2714 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0, 2715 "bus-addr", &addr) == DDI_PROP_SUCCESS) { 2716 if (strcmp(caddr, addr) == 0) { 2717 ddi_prop_free(addr); 2718 return (dip); 2719 } 2720 ddi_prop_free(addr); 2721 } 2722 } else { 2723 if (strcmp(caddr, addr) == 0) 2724 return (dip); 2725 } 2726 } 2727 2728 return (NULL); 2729 } 2730 2731 static void 2732 pshot_nexus_properties(dev_info_t *parent, dev_info_t *child, char *cname, 2733 char *caddr) 2734 { 2735 char *extension; 2736 2737 /* 2738 * extract the address extension 2739 */ 2740 extension = strstr(caddr, ","); 2741 if (extension != NULL) { 2742 ++extension; 2743 } else { 2744 extension = "null"; 2745 } 2746 2747 /* 2748 * Create the "pm-want-child-notification?" property for all 2749 * nodes that do not have the "pm_strict" or "nopm_strict" 2750 * extension 2751 */ 2752 if (strcmp(extension, "pm_strict") != 0 && 2753 strcmp(extension, "nopm_strict") != 0) { 2754 if (ddi_prop_exists(DDI_DEV_T_ANY, child, 2755 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 2756 "pm-want-child-notification?") == 0) { 2757 if (pshot_debug) { 2758 cmn_err(CE_CONT, "pshot%d:" 2759 " nexus_properties:\n\tcreate the" 2760 " \"pm-want-child-notification?\"" 2761 " property for %s@%s\n", 2762 ddi_get_instance(parent), cname, caddr); 2763 } 2764 if (ddi_prop_create(DDI_DEV_T_NONE, child, 0, 2765 "pm-want-child-notification?", NULL, 0) 2766 != DDI_PROP_SUCCESS) { 2767 cmn_err(CE_WARN, "pshot%d:" 2768 " nexus_properties:\n\tunable to create" 2769 " the \"pm-want-child-notification?\"" 2770 " property for %s@%s", 2771 ddi_get_instance(parent), cname, caddr); 2772 } 2773 } 2774 } 2775 2776 /* 2777 * Create the "no-pm-components" property for all nodes 2778 * with extension "nopm" or "nopm_strict" 2779 */ 2780 if (strcmp(extension, "nopm") == 0 || 2781 strcmp(extension, "nopm_strict") == 0) { 2782 if (ddi_prop_exists(DDI_DEV_T_ANY, child, 2783 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 2784 "no-pm-components") == 0) { 2785 if (pshot_debug) { 2786 cmn_err(CE_CONT, "pshot%d:" 2787 " nexus_properties:\n\tcreate the" 2788 " \"no-pm-components\"" 2789 " property for %s@%s\n", 2790 ddi_get_instance(parent), cname, caddr); 2791 } 2792 if (ddi_prop_create(DDI_DEV_T_NONE, child, 0, 2793 "no-pm-components", NULL, 0) 2794 != DDI_PROP_SUCCESS) { 2795 cmn_err(CE_WARN, "pshot%d:" 2796 " nexus_properties:\n\tunable to create" 2797 " the \"no-pm-components\"" 2798 " property for %s@%s", 2799 ddi_get_instance(parent), cname, caddr); 2800 } 2801 } 2802 } 2803 } 2804 2805 static void 2806 pshot_leaf_properties(dev_info_t *parent, dev_info_t *child, char *cname, 2807 char *caddr) 2808 { 2809 char *extension; 2810 2811 /* 2812 * extract the address extension 2813 */ 2814 extension = strstr(caddr, ","); 2815 if (extension != NULL) { 2816 ++extension; 2817 } else { 2818 extension = "null"; 2819 } 2820 2821 /* 2822 * Create the "no-involuntary-power-cycles" property for 2823 * all leaf nodes with extension "no_invol" 2824 */ 2825 if (strcmp(extension, "no_invol") == 0) { 2826 if (ddi_prop_exists(DDI_DEV_T_ANY, child, 2827 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 2828 "no-involuntary-power-cycles") == 0) { 2829 if (pshot_debug) { 2830 cmn_err(CE_CONT, "pshot%d:" 2831 " leaf_properties:\n\tcreate the" 2832 " \"no-involuntary-power-cycles\"" 2833 " property for %s@%s\n", 2834 ddi_get_instance(parent), cname, caddr); 2835 } 2836 if (ddi_prop_create(DDI_DEV_T_NONE, child, 2837 DDI_PROP_CANSLEEP, 2838 "no-involuntary-power-cycles", NULL, 0) 2839 != DDI_PROP_SUCCESS) { 2840 cmn_err(CE_WARN, "pshot%d:" 2841 " leaf_properties:\n\tunable to create the" 2842 " \"no-involuntary-power-cycles\"" 2843 " property for %s@%s", 2844 ddi_get_instance(parent), cname, caddr); 2845 } 2846 } 2847 } 2848 2849 /* 2850 * Create the "dependency-property" property for all leaf 2851 * nodes with extension "dep_prop" 2852 * to be used with the PM_ADD_DEPENDENT_PROPERTY ioctl 2853 */ 2854 if (strcmp(extension, "dep_prop") == 0) { 2855 if (ddi_prop_exists(DDI_DEV_T_ANY, child, 2856 (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM), 2857 "dependency-property") == 0) { 2858 if (pshot_debug) { 2859 cmn_err(CE_CONT, "pshot%d:" 2860 " leaf_properties:\n\tcreate the" 2861 " \"dependency-property\"" 2862 " property for %s@%s\n", 2863 ddi_get_instance(parent), cname, caddr); 2864 } 2865 if (ddi_prop_create(DDI_DEV_T_NONE, child, 2866 DDI_PROP_CANSLEEP, "dependency-property", NULL, 0) 2867 != DDI_PROP_SUCCESS) { 2868 cmn_err(CE_WARN, "pshot%d:" 2869 " leaf_properties:\n\tunable to create the" 2870 " \"dependency-property\" property for" 2871 " %s@%s", ddi_get_instance(parent), 2872 cname, caddr); 2873 } 2874 } 2875 } 2876 } 2877 2878 /* 2879 * BUS_CONFIG_ONE: setup a child nexus instance. 2880 */ 2881 static int 2882 pshot_bus_config_setup_nexus(dev_info_t *parent, char *cname, char *caddr) 2883 { 2884 dev_info_t *child; 2885 int rval; 2886 2887 ASSERT(parent != 0); 2888 ASSERT(cname != NULL); 2889 ASSERT(caddr != NULL); 2890 2891 child = pshot_findchild(parent, cname, caddr); 2892 if (child) { 2893 if (pshot_debug) { 2894 cmn_err(CE_CONT, 2895 "pshot%d: bus_config one %s@%s found\n", 2896 ddi_get_instance(parent), cname, caddr); 2897 } 2898 2899 /* 2900 * create the "pm-want-child-notification?" property 2901 * for this child, if it doesn't already exist 2902 */ 2903 (void) pshot_nexus_properties(parent, child, cname, caddr); 2904 2905 return (NDI_SUCCESS); 2906 } 2907 2908 ndi_devi_alloc_sleep(parent, cname, DEVI_SID_NODEID, &child); 2909 ASSERT(child != NULL); 2910 2911 if (ndi_prop_update_string(DDI_DEV_T_NONE, child, 2912 "bus-addr", caddr) != DDI_PROP_SUCCESS) { 2913 cmn_err(CE_WARN, "pshot%d: _prop_update %s@%s failed", 2914 ddi_get_instance(parent), cname, caddr); 2915 (void) ndi_devi_free(child); 2916 return (NDI_FAILURE); 2917 } 2918 2919 rval = ndi_devi_bind_driver(child, 0); 2920 if (rval != NDI_SUCCESS) { 2921 cmn_err(CE_WARN, "pshot%d: bind_driver %s failed", 2922 ddi_get_instance(parent), cname); 2923 (void) ndi_devi_free(child); 2924 return (NDI_FAILURE); 2925 } 2926 2927 /* 2928 * create the "pm-want-child-notification?" property 2929 */ 2930 (void) pshot_nexus_properties(parent, child, cname, caddr); 2931 2932 return (NDI_SUCCESS); 2933 } 2934 2935 /* 2936 * BUS_CONFIG_ONE: setup a child leaf device instance. 2937 * for testing purposes, we will create nodes of a variety of types. 2938 */ 2939 static int 2940 pshot_bus_config_setup_leaf(dev_info_t *parent, char *cname, char *caddr) 2941 { 2942 dev_info_t *child; 2943 char *compat_name; 2944 char *nodetype; 2945 int rval; 2946 int i; 2947 2948 ASSERT(parent != 0); 2949 ASSERT(cname != NULL); 2950 ASSERT(caddr != NULL); 2951 2952 /* 2953 * if we already have a node with this name, return it 2954 */ 2955 if ((child = pshot_findchild(parent, cname, caddr)) != NULL) { 2956 /* 2957 * create the "no-involuntary-power-cycles" or 2958 * the "dependency-property" property, if they 2959 * don't already exit 2960 */ 2961 (void) pshot_leaf_properties(parent, child, cname, caddr); 2962 2963 return (NDI_SUCCESS); 2964 } 2965 2966 ndi_devi_alloc_sleep(parent, cname, DEVI_SID_NODEID, &child); 2967 ASSERT(child != NULL); 2968 2969 if (ndi_prop_update_string(DDI_DEV_T_NONE, child, "bus-addr", 2970 caddr) != DDI_PROP_SUCCESS) { 2971 (void) ndi_devi_free(child); 2972 return (NDI_FAILURE); 2973 } 2974 2975 /* 2976 * test compatible naming 2977 * if the child nodename is "cdisk", attach the list of compatible 2978 * named disks 2979 */ 2980 if (strcmp(cname, pshot_compat_diskname) == 0) { 2981 if ((ndi_prop_update_string_array(DDI_DEV_T_NONE, 2982 child, "compatible", (char **)pshot_compat_psramdisks, 2983 5)) != DDI_PROP_SUCCESS) { 2984 (void) ndi_devi_free(child); 2985 return (NDI_FAILURE); 2986 } 2987 } else { 2988 for (i = 0; i < pshot_devices_len && pshot_devices[i].name; 2989 i++) { 2990 if (strcmp(cname, pshot_devices[i].name) == 0) { 2991 compat_name = pshot_devices[i].compat; 2992 nodetype = pshot_devices[i].nodetype; 2993 if (pshot_debug) { 2994 cmn_err(CE_CONT, "pshot%d: %s %s %s\n", 2995 ddi_get_instance(parent), cname, 2996 compat_name, nodetype); 2997 } 2998 if ((ndi_prop_update_string_array( 2999 DDI_DEV_T_NONE, child, "compatible", 3000 &compat_name, 1)) != DDI_PROP_SUCCESS) { 3001 (void) ndi_devi_free(child); 3002 return (NDI_FAILURE); 3003 } 3004 if ((ndi_prop_update_string( 3005 DDI_DEV_T_NONE, child, "node-type", 3006 nodetype)) != DDI_PROP_SUCCESS) { 3007 (void) ndi_devi_free(child); 3008 return (NDI_FAILURE); 3009 } 3010 } 3011 } 3012 } 3013 3014 rval = ndi_devi_bind_driver(child, 0); 3015 if (rval != NDI_SUCCESS) { 3016 cmn_err(CE_WARN, "pshot%d: bind_driver %s failed", 3017 ddi_get_instance(parent), cname); 3018 (void) ndi_devi_free(child); 3019 return (NDI_FAILURE); 3020 } 3021 3022 /* 3023 * create the "no-involuntary-power-cycles" or 3024 * the "dependency-property" property 3025 */ 3026 (void) pshot_leaf_properties(parent, child, cname, caddr); 3027 3028 return (NDI_SUCCESS); 3029 } 3030 3031 /* 3032 * Handle some special cases for testing bus_config via pshot 3033 * 3034 * Match these special address formats to behavior: 3035 * 3036 * err.* - induce bus_config error 3037 * delay - induce 1 second of bus_config delay time 3038 * delay,n - induce n seconds of bus_config delay time 3039 * wait - induce 1 second of bus_config wait time 3040 * wait,n - induce n seconds of bus_config wait time 3041 * failinit.* - induce error at INITCHILD 3042 * failprobe.* - induce error at probe 3043 * failattach.* - induce error at attach 3044 */ 3045 /*ARGSUSED*/ 3046 static int 3047 pshot_bus_config_test_specials(dev_info_t *parent, char *devname, 3048 char *cname, char *caddr) 3049 { 3050 char *p; 3051 int n; 3052 3053 if (strncmp(caddr, "err", 3) == 0) { 3054 if (pshot_debug) 3055 cmn_err(CE_CONT, 3056 "pshot%d: %s forced failure\n", 3057 ddi_get_instance(parent), devname); 3058 return (NDI_FAILURE); 3059 } 3060 3061 /* 3062 * The delay and wait strings have the same effect. 3063 * The "wait[,]" support should be removed once the 3064 * devfs test suites are fixed. 3065 * NOTE: delay should not be called from interrupt context 3066 */ 3067 ASSERT(!servicing_interrupt()); 3068 3069 if (strncmp(caddr, "delay,", 6) == 0) { 3070 p = caddr+6; 3071 n = stoi(&p); 3072 if (*p != 0) 3073 n = 1; 3074 if (pshot_debug) 3075 cmn_err(CE_CONT, 3076 "pshot%d: %s delay %d second\n", 3077 ddi_get_instance(parent), devname, n); 3078 delay(n * drv_usectohz(1000000)); 3079 } else if (strncmp(caddr, "delay", 5) == 0) { 3080 if (pshot_debug) 3081 cmn_err(CE_CONT, 3082 "pshot%d: %s delay 1 second\n", 3083 ddi_get_instance(parent), devname); 3084 delay(drv_usectohz(1000000)); 3085 } else if (strncmp(caddr, "wait,", 5) == 0) { 3086 p = caddr+5; 3087 n = stoi(&p); 3088 if (*p != 0) 3089 n = 1; 3090 if (pshot_debug) 3091 cmn_err(CE_CONT, 3092 "pshot%d: %s wait %d second\n", 3093 ddi_get_instance(parent), devname, n); 3094 delay(n * drv_usectohz(1000000)); 3095 } else if (strncmp(caddr, "wait", 4) == 0) { 3096 if (pshot_debug) 3097 cmn_err(CE_CONT, 3098 "pshot%d: %s wait 1 second\n", 3099 ddi_get_instance(parent), devname); 3100 delay(drv_usectohz(1000000)); 3101 } 3102 3103 return (NDI_SUCCESS); 3104 } 3105 3106 /* 3107 * translate nodetype name to actual value 3108 */ 3109 static char * 3110 pshot_str2nt(char *str) 3111 { 3112 int i; 3113 3114 for (i = 0; pshot_nodetypes[i].name; i++) { 3115 if (strcmp(pshot_nodetypes[i].name, str) == 0) 3116 return (pshot_nodetypes[i].val); 3117 } 3118 return (NULL); 3119 } 3120 3121 /* 3122 * grows array pointed to by <dstp>, with <src> data 3123 * <dstlen> = # elements of the original <*dstp> 3124 * <srclen> = # elements of <src> 3125 * 3126 * on success, returns 0 and a pointer to the new array through <dstp> with 3127 * <srclen> + <dstlen> number of elements; 3128 * else returns non-zero 3129 * 3130 * a NULL <*dstp> is OK (a NULL <dstp> is not) and so is a zero <dstlen> 3131 */ 3132 static int 3133 pshot_devices_grow(pshot_device_t **dstp, size_t dstlen, 3134 const pshot_device_t *src, size_t srclen) 3135 { 3136 size_t i; 3137 pshot_device_t *newdst; 3138 3139 newdst = kmem_alloc((srclen + dstlen) * sizeof (*src), 3140 KM_SLEEP); 3141 3142 /* keep old pointers and dup new ones */ 3143 if (*dstp) 3144 bcopy(*dstp, newdst, dstlen * sizeof (*src)); 3145 for (i = 0; i < srclen; i++) { 3146 newdst[i + dstlen].name = 3147 i_ddi_strdup(src[i].name, KM_SLEEP); 3148 3149 newdst[i + dstlen].nodetype = 3150 i_ddi_strdup(src[i].nodetype, KM_SLEEP); 3151 3152 newdst[i + dstlen].compat = 3153 i_ddi_strdup(src[i].compat, KM_SLEEP); 3154 } 3155 3156 /* do last */ 3157 if (*dstp) 3158 kmem_free(*dstp, dstlen * sizeof (*src)); 3159 *dstp = newdst; 3160 return (0); 3161 } 3162 3163 /* 3164 * free a pshot_device_t array <dp> with <len> elements 3165 * null pointers within the elements are ok 3166 */ 3167 static void 3168 pshot_devices_free(pshot_device_t *dp, size_t len) 3169 { 3170 size_t i; 3171 3172 for (i = 0; i < len; i++) { 3173 if (dp[i].name) 3174 kmem_free(dp[i].name, strlen(dp[i].name) + 1); 3175 if (dp[i].nodetype) 3176 kmem_free(dp[i].nodetype, strlen(dp[i].nodetype) + 1); 3177 if (dp[i].compat) 3178 kmem_free(dp[i].compat, strlen(dp[i].compat) + 1); 3179 } 3180 kmem_free(dp, len * sizeof (*dp)); 3181 } 3182 3183 /* 3184 * returns an array of pshot_device_t parsed from <dip>'s properties 3185 * 3186 * property structure (i.e. pshot.conf) for pshot: 3187 * 3188 * corresponding | pshot_device_t array elements 3189 * pshot_device_t | 3190 * member by prop name | [0] [1] [2] 3191 * ----------------------|--------------|-------------|----------------------- 3192 * <PSHOT_PROP_DEVNAME> ="disk", "tape", "testdev"; 3193 * <PSHOT_PROP_DEVNT> ="DDI_NT_BLOCK","DDI_NT_TAPE","ddi_testdev_nodetype"; 3194 * <PSHOT_PROP_DEVCOMPAT>="testdrv", "testdrv", "testdrv"; 3195 * 3196 * 3197 * if any of these properties are specified, then: 3198 * - all the members must be specified 3199 * - the number of elements for each string array property must be the same 3200 * - no empty strings allowed 3201 * - nodetypes (PSHOT_PROP_DEVNT) must be the nodetype name as specified in 3202 * sys/sunddi.h 3203 * 3204 * NOTE: the pshot_nodetypes[] table should be kept in sync with the list 3205 * of ddi nodetypes. It's not normally critical to always be in sync so 3206 * keeping this up-to-date can usually be done "on-demand". 3207 * 3208 * if <flags> & PSHOT_DEV_ANYNT, then custom nodetype strings are allowed. 3209 * these will be duplicated verbatim 3210 */ 3211 static pshot_device_t * 3212 pshot_devices_from_props(dev_info_t *dip, size_t *lenp, int flags) 3213 { 3214 pshot_device_t *devarr = NULL; 3215 char **name_arr = NULL, **nt_arr = NULL, **compat_arr = NULL; 3216 uint_t name_arr_len, nt_arr_len, compat_arr_len; 3217 uint_t i; 3218 char *str; 3219 3220 if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, dip, 0, 3221 PSHOT_PROP_DEVNAME, &name_arr, &name_arr_len) != 3222 DDI_PROP_SUCCESS) 3223 name_arr = NULL; 3224 3225 if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, dip, 0, 3226 PSHOT_PROP_DEVNT, &nt_arr, &nt_arr_len) != 3227 DDI_PROP_SUCCESS) 3228 nt_arr = NULL; 3229 3230 if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, dip, 0, 3231 PSHOT_PROP_DEVCOMPAT, &compat_arr, &compat_arr_len) != 3232 DDI_PROP_SUCCESS) 3233 compat_arr = NULL; 3234 3235 /* 3236 * warn about any incorrect usage, if specified 3237 */ 3238 if (!(name_arr || nt_arr || compat_arr)) 3239 return (NULL); 3240 3241 if (!(name_arr && nt_arr && compat_arr) || 3242 (name_arr_len != nt_arr_len) || 3243 (name_arr_len != compat_arr_len)) 3244 goto FAIL; 3245 3246 for (i = 0; i < name_arr_len; i++) { 3247 if (*name_arr[i] == '\0' || 3248 *nt_arr[i] == '\0' || 3249 *compat_arr[i] == '\0') 3250 goto FAIL; 3251 } 3252 3253 devarr = kmem_zalloc(name_arr_len * sizeof (*devarr), KM_SLEEP); 3254 for (i = 0; i < name_arr_len; i++) { 3255 devarr[i].name = i_ddi_strdup(name_arr[i], KM_SLEEP); 3256 devarr[i].compat = i_ddi_strdup(compat_arr[i], KM_SLEEP); 3257 3258 if ((str = pshot_str2nt(nt_arr[i])) == NULL) 3259 if (flags & PSHOT_DEV_ANYNT) 3260 str = nt_arr[i]; 3261 else 3262 goto FAIL; 3263 devarr[i].nodetype = i_ddi_strdup(str, KM_SLEEP); 3264 } 3265 ddi_prop_free(name_arr); 3266 ddi_prop_free(nt_arr); 3267 ddi_prop_free(compat_arr); 3268 3269 /* set <*lenp> ONLY on success */ 3270 *lenp = name_arr_len; 3271 3272 return (devarr); 3273 /*NOTREACHED*/ 3274 FAIL: 3275 cmn_err(CE_WARN, "malformed device specification property"); 3276 if (name_arr) 3277 ddi_prop_free(name_arr); 3278 if (nt_arr) 3279 ddi_prop_free(nt_arr); 3280 if (compat_arr) 3281 ddi_prop_free(compat_arr); 3282 if (devarr) 3283 pshot_devices_free(devarr, name_arr_len); 3284 return (NULL); 3285 } 3286 3287 /* 3288 * if global <pshot_devices> was not set up already (i.e. is NULL): 3289 * sets up global <pshot_devices> and <pshot_devices_len>, 3290 * using device properties from <dip> and global <pshot_stock_devices>. 3291 * device properties, if any, overrides pshot_stock_devices. 3292 * 3293 * returns 0 on success (or if pshot_devices already set up) 3294 * 3295 * INTERNAL LOCKING: <pshot_devices_lock> 3296 */ 3297 static int 3298 pshot_devices_setup(dev_info_t *dip) 3299 { 3300 pshot_device_t *newdevs = NULL; 3301 size_t newdevs_len = 0; 3302 int rv = 0; 3303 3304 mutex_enter(&pshot_devices_lock); 3305 if (pshot_devices != NULL) 3306 goto FAIL; 3307 3308 ASSERT(pshot_devices_len == 0); 3309 3310 newdevs = pshot_devices_from_props(dip, &newdevs_len, PSHOT_DEV_ANYNT); 3311 rv = pshot_devices_grow(&newdevs, newdevs_len, pshot_stock_devices, 3312 PSHOT_N_STOCK_DEVICES); 3313 if (rv != 0) { 3314 cmn_err(CE_WARN, "pshot_devices_setup: pshot_devices_grow " 3315 "failed"); 3316 goto FAIL; 3317 } 3318 newdevs_len += PSHOT_N_STOCK_DEVICES; 3319 3320 pshot_devices = newdevs; 3321 pshot_devices_len = newdevs_len; 3322 rv = 0; 3323 FAIL: 3324 if (rv && newdevs) 3325 pshot_devices_free(newdevs, newdevs_len); 3326 mutex_exit(&pshot_devices_lock); 3327 return (rv); 3328 } 3329 3330 3331 #ifdef NOTNEEDED 3332 /* ARGSUSED */ 3333 static int 3334 pshot_probe_family(dev_info_t *self, ddi_probe_method_t probe_how, 3335 dev_info_t **return_dip) 3336 { 3337 char name[64]; 3338 uint_t bus_id; 3339 dev_info_t *child; 3340 3341 for (bus_id = 10; bus_id < 20; bus_id++) { 3342 (void) sprintf(name, "%d", bus_id); 3343 if ((ndi_devi_alloc(self, "psramd", DEVI_SID_NODEID, 3344 &child)) != NDI_SUCCESS) { 3345 return (DDI_FAILURE); 3346 } 3347 3348 if (ndi_prop_update_string(DDI_DEV_T_NONE, child, 3349 "bus-addr", name) != DDI_PROP_SUCCESS) { 3350 (void) ndi_devi_free(child); 3351 if (return_dip != NULL) 3352 *return_dip = (dev_info_t *)NULL; 3353 return (DDI_FAILURE); 3354 } 3355 3356 if (ndi_devi_online(child, 0) != NDI_SUCCESS) { 3357 return (DDI_FAILURE); 3358 } 3359 } 3360 return (DDI_SUCCESS); 3361 } 3362 3363 static int 3364 strtoi(char *str) 3365 { 3366 int c; 3367 int val; 3368 3369 for (val = 0, c = *str++; c >= '0' && c <= '9'; c = *str++) { 3370 val *= 10; 3371 val += c - '0'; 3372 } 3373 return (val); 3374 } 3375 3376 #endif 3377 3378 static void 3379 pshot_setup_autoattach(dev_info_t *devi) 3380 { 3381 dev_info_t *l1child, *l2child; 3382 int rv; 3383 3384 rv = ndi_devi_alloc(devi, "pshot", DEVI_SID_NODEID, &l1child); 3385 if (rv == NDI_SUCCESS) { 3386 (void) ndi_prop_update_string(DDI_DEV_T_NONE, l1child, 3387 "bus-addr", "0"); 3388 rv = ndi_devi_alloc(l1child, "port", DEVI_SID_NODEID, 3389 &l2child); 3390 if (rv == NDI_SUCCESS) 3391 (void) ndi_prop_update_string(DDI_DEV_T_NONE, 3392 l2child, "bus-addr", "99"); 3393 } 3394 3395 rv = ndi_devi_alloc(devi, "port", DEVI_SID_NODEID, &l1child); 3396 if (rv == NDI_SUCCESS) 3397 (void) ndi_prop_update_string(DDI_DEV_T_NONE, l1child, 3398 "bus-addr", "99"); 3399 3400 rv = ndi_devi_alloc(devi, "gen_drv", DEVI_SID_NODEID, &l1child); 3401 if (rv == NDI_SUCCESS) 3402 (void) ndi_prop_update_string(DDI_DEV_T_NONE, l1child, 3403 "bus-addr", "99"); 3404 3405 rv = ndi_devi_alloc(devi, "no_driver", DEVI_SID_NODEID, &l1child); 3406 if (rv == NDI_SUCCESS) 3407 (void) ndi_devi_alloc(l1child, "no_driver", DEVI_SID_NODEID, 3408 &l2child); 3409 } 3410 3411 #ifdef PRUNE_SNUBS 3412 3413 #define PRUNE_THIS_NODE(d) (((d)->devi_node_name != NULL) && \ 3414 (DEVI_PROM_NODE((d)->devi_nodeid)) && \ 3415 ((d)->devi_addr == NULL)) 3416 /* 3417 * test code to remove OBP nodes that have not attached 3418 */ 3419 static void 3420 prune_snubs(const char *name) 3421 { 3422 struct dev_info *nex_dip, *cdip, *cndip; 3423 int maj; 3424 int rv; 3425 3426 maj = ddi_name_to_major((char *)name); 3427 if (maj != -1) { 3428 nex_dip = (struct dev_info *)devnamesp[maj].dn_head; 3429 while (nex_dip != NULL) { 3430 cndip = ddi_get_child(nex_dip); 3431 while ((cdip = cndip) != NULL) { 3432 cndip = cdip->devi_sibling; 3433 if (PRUNE_THIS_NODE(cdip)) { 3434 cmn_err(CE_NOTE, 3435 "parent %s@%s pruning node %s", 3436 nex_dip->devi_node_name, 3437 nex_dip->devi_addr, 3438 cdip->devi_node_name); 3439 rv = ndi_devi_offline(cdip, 3440 NDI_DEVI_REMOVE); 3441 if (rv != NDI_SUCCESS) 3442 cmn_err(CE_NOTE, 3443 "failed to prune node, " 3444 "err %d", rv); 3445 } 3446 } 3447 nex_dip = nex_dip->devi_next; 3448 } 3449 } 3450 } 3451 3452 #endif /* PRUBE_SNUBS */ 3453 3454 #ifdef KERNEL_DEVICE_TREE_WALKER 3455 static kthread_id_t pwt; 3456 static kmutex_t pwl; 3457 static kcondvar_t pwcv; 3458 3459 static void 3460 pshot_walk_tree() 3461 { 3462 static int pshot_devnode(dev_info_t *dip, void * arg); 3463 3464 dev_info_t *root = ddi_root_node(); 3465 ddi_walk_devs(root, pshot_devnode, NULL); 3466 } 3467 3468 static void 3469 pshot_walk_thread() 3470 { 3471 static void pshot_timeout(void *arg); 3472 static kthread_id_t pwt; 3473 3474 pwt = curthread; 3475 mutex_init(&pwl, NULL, MUTEX_DRIVER, NULL); 3476 cv_init(&pwcv, NULL, CV_DRIVER, NULL); 3477 3478 while (1) { 3479 pshot_walk_tree(); 3480 mutex_enter(&pwl); 3481 (void) timeout(pshot_timeout, NULL, 5 * drv_usectohz(1000000)); 3482 cv_wait(&pwcv, &pwl); 3483 mutex_exit(&pwl); 3484 } 3485 } 3486 3487 static void 3488 pshot_timeout(void *arg) 3489 { 3490 mutex_enter(&pwl); 3491 cv_signal(&pwcv); 3492 mutex_exit(&pwl); 3493 } 3494 3495 static int 3496 pshot_devnode(dev_info_t *dip, void *arg) 3497 { 3498 dev_info_t *f_dip; 3499 3500 if (dip != ddi_root_node()) { 3501 f_dip = ndi_devi_find((dev_info_t *)DEVI(dip)->devi_parent, 3502 DEVI(dip)->devi_node_name, DEVI(dip)->devi_addr); 3503 if (f_dip != dip) { 3504 cmn_err(CE_NOTE, "!pshot_devnode: failed lookup" 3505 "node (%s/%s@%s)\n", 3506 DEVI(DEVI(dip)->devi_parent)->devi_node_name, 3507 (DEVI(dip)->devi_node_name ? 3508 DEVI(dip)->devi_node_name : "NULL"), 3509 (DEVI(dip)->devi_addr ? DEVI(dip)->devi_addr : 3510 "NULL")); 3511 } 3512 } 3513 return (DDI_WALK_CONTINUE); 3514 } 3515 #endif /* KERNEL_DEVICE_TREE_WALKER */ 3516 3517 #ifdef DEBUG 3518 static void 3519 pshot_event_cb_test(dev_info_t *dip, ddi_eventcookie_t cookie, 3520 void *arg, void *bus_impldata) 3521 { 3522 pshot_t *softstate = (pshot_t *)arg; 3523 int event_tag; 3524 3525 /* look up the event */ 3526 event_tag = NDI_EVENT_TAG(cookie); 3527 cmn_err(CE_CONT, "pshot_event_cb_test:\n\t" 3528 "dip = 0x%p cookie = 0x%p (%s), tag = %d\n\t" 3529 "arg = 0x%p bus_impl = 0x%p\n", 3530 (void *)dip, (void *)cookie, NDI_EVENT_NAME(cookie), 3531 event_tag, (void *)softstate, (void *)bus_impldata); 3532 3533 } 3534 3535 static void 3536 pshot_event_test(void *arg) 3537 { 3538 pshot_t *pshot = (pshot_t *)arg; 3539 ndi_event_hdl_t hdl; 3540 ndi_event_set_t events; 3541 int i, rval; 3542 3543 (void) ndi_event_alloc_hdl(pshot->dip, NULL, &hdl, NDI_SLEEP); 3544 3545 events.ndi_events_version = NDI_EVENTS_REV1; 3546 events.ndi_n_events = PSHOT_N_TEST_EVENTS; 3547 events.ndi_event_defs = pshot_test_events; 3548 3549 cmn_err(CE_CONT, "pshot: binding set of 8 events\n"); 3550 delay(drv_usectohz(1000000)); 3551 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3552 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3553 3554 cmn_err(CE_CONT, "pshot: binding the same set of 8 events\n"); 3555 delay(drv_usectohz(1000000)); 3556 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3557 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3558 3559 cmn_err(CE_CONT, "pshot: unbinding all events\n"); 3560 delay(drv_usectohz(1000000)); 3561 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3562 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3563 3564 3565 cmn_err(CE_CONT, "pshot: binding one highlevel event\n"); 3566 delay(drv_usectohz(1000000)); 3567 events.ndi_n_events = 1; 3568 events.ndi_event_defs = pshot_test_events_high; 3569 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3570 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3571 3572 cmn_err(CE_CONT, "pshot: binding the same set of 8 events\n"); 3573 delay(drv_usectohz(1000000)); 3574 events.ndi_n_events = PSHOT_N_TEST_EVENTS; 3575 events.ndi_event_defs = pshot_test_events; 3576 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3577 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3578 3579 cmn_err(CE_CONT, "pshot: unbinding one highlevel event\n"); 3580 delay(drv_usectohz(1000000)); 3581 events.ndi_n_events = 1; 3582 events.ndi_event_defs = pshot_test_events_high; 3583 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3584 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3585 3586 cmn_err(CE_CONT, "pshot: binding one highlevel event\n"); 3587 delay(drv_usectohz(1000000)); 3588 events.ndi_n_events = 1; 3589 events.ndi_event_defs = pshot_test_events_high; 3590 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3591 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3592 3593 cmn_err(CE_CONT, "pshot: unbinding one highlevel event\n"); 3594 delay(drv_usectohz(1000000)); 3595 events.ndi_n_events = 1; 3596 events.ndi_event_defs = pshot_test_events_high; 3597 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3598 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3599 3600 cmn_err(CE_CONT, "pshot: binding the same set of 8 events\n"); 3601 delay(drv_usectohz(1000000)); 3602 events.ndi_n_events = PSHOT_N_TEST_EVENTS; 3603 events.ndi_event_defs = pshot_test_events; 3604 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3605 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3606 3607 cmn_err(CE_CONT, "pshot: unbinding first 2 events\n"); 3608 delay(drv_usectohz(1000000)); 3609 events.ndi_n_events = 2; 3610 events.ndi_event_defs = pshot_test_events; 3611 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3612 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3613 3614 cmn_err(CE_CONT, "pshot: unbinding first 2 events again\n"); 3615 delay(drv_usectohz(1000000)); 3616 events.ndi_n_events = 2; 3617 events.ndi_event_defs = pshot_test_events; 3618 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3619 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3620 3621 cmn_err(CE_CONT, "pshot: unbinding middle 2 events\n"); 3622 delay(drv_usectohz(1000000)); 3623 events.ndi_n_events = 2; 3624 events.ndi_event_defs = &pshot_test_events[4]; 3625 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3626 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3627 3628 cmn_err(CE_CONT, "pshot: binding those 2 events back\n"); 3629 delay(drv_usectohz(1000000)); 3630 events.ndi_n_events = 2; 3631 events.ndi_event_defs = &pshot_test_events[4]; 3632 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3633 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3634 3635 cmn_err(CE_CONT, "pshot: unbinding 2 events\n"); 3636 delay(drv_usectohz(1000000)); 3637 events.ndi_n_events = 2; 3638 events.ndi_event_defs = &pshot_test_events[4]; 3639 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3640 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3641 3642 cmn_err(CE_CONT, "pshot: unbinding all events\n"); 3643 delay(drv_usectohz(1000000)); 3644 events.ndi_n_events = PSHOT_N_TEST_EVENTS; 3645 events.ndi_event_defs = pshot_test_events; 3646 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3647 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3648 3649 cmn_err(CE_CONT, "pshot: unbinding 1 event\n"); 3650 delay(drv_usectohz(1000000)); 3651 events.ndi_n_events = 1; 3652 events.ndi_event_defs = &pshot_test_events[2]; 3653 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3654 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3655 3656 cmn_err(CE_CONT, "pshot: unbinding 1 event\n"); 3657 delay(drv_usectohz(1000000)); 3658 events.ndi_n_events = 1; 3659 events.ndi_event_defs = &pshot_test_events[3]; 3660 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3661 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3662 3663 cmn_err(CE_CONT, "pshot: unbinding 1 event\n"); 3664 delay(drv_usectohz(1000000)); 3665 events.ndi_n_events = 1; 3666 events.ndi_event_defs = &pshot_test_events[6]; 3667 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3668 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3669 3670 cmn_err(CE_CONT, "pshot: unbinding 1 event\n"); 3671 delay(drv_usectohz(1000000)); 3672 events.ndi_n_events = 1; 3673 events.ndi_event_defs = &pshot_test_events[7]; 3674 rval = ndi_event_unbind_set(hdl, &events, NDI_SLEEP); 3675 cmn_err(CE_CONT, "pshot: ndi_event_unbind_set rval = %d\n", rval); 3676 3677 events.ndi_n_events = PSHOT_N_TEST_EVENTS; 3678 events.ndi_event_defs = pshot_test_events; 3679 3680 cmn_err(CE_CONT, "pshot: binding set of 8 events\n"); 3681 delay(drv_usectohz(1000000)); 3682 rval = ndi_event_bind_set(hdl, &events, NDI_SLEEP); 3683 cmn_err(CE_CONT, "pshot: ndi_event_bind_set rval = %d\n", rval); 3684 3685 cmn_err(CE_CONT, "pshot: adding 8 callbacks\n"); 3686 delay(drv_usectohz(1000000)); 3687 for (i = 0; i < 8; i++) { 3688 rval = ndi_event_add_callback(hdl, pshot->dip, 3689 ndi_event_tag_to_cookie(hdl, 3690 pshot_test_events[i].ndi_event_tag), 3691 pshot_event_cb_test, 3692 (void *)(uintptr_t)pshot_test_events[i].ndi_event_tag, 3693 NDI_SLEEP, &pshot->test_callback_cache[i]); 3694 ASSERT(rval == NDI_SUCCESS); 3695 } 3696 3697 cmn_err(CE_CONT, "pshot: event callbacks\n"); 3698 3699 for (i = 10; i < 18; i++) { 3700 ddi_eventcookie_t cookie = ndi_event_tag_to_cookie(hdl, i); 3701 3702 rval = ndi_event_run_callbacks(hdl, pshot->dip, cookie, 3703 (void *)hdl); 3704 3705 cmn_err(CE_CONT, "pshot: callback, tag=%d rval=%d\n", 3706 i, rval); 3707 delay(drv_usectohz(1000000)); 3708 } 3709 3710 cmn_err(CE_CONT, "pshot: redo event callbacks\n"); 3711 3712 for (i = 10; i < 18; i++) { 3713 ddi_eventcookie_t cookie = ndi_event_tag_to_cookie(hdl, i); 3714 3715 rval = ndi_event_run_callbacks(hdl, 3716 pshot->dip, cookie, (void *)hdl); 3717 3718 cmn_err(CE_CONT, "pshot: callback, tag=%d rval=%d\n", 3719 i, rval); 3720 delay(drv_usectohz(1000000)); 3721 } 3722 3723 cmn_err(CE_CONT, "pshot: removing 8 callbacks\n"); 3724 delay(drv_usectohz(1000000)); 3725 3726 for (i = 0; i < 8; i++) { 3727 (void) ndi_event_remove_callback(hdl, 3728 pshot->test_callback_cache[i]); 3729 3730 pshot->test_callback_cache[i] = 0; 3731 } 3732 3733 cmn_err(CE_CONT, "pshot: freeing handle with bound set\n"); 3734 delay(drv_usectohz(1000000)); 3735 3736 rval = ndi_event_free_hdl(hdl); 3737 3738 ASSERT(rval == NDI_SUCCESS); 3739 3740 } 3741 3742 void 3743 pshot_event_test_post_one(void *arg) 3744 { 3745 pshot_t *pshot = (pshot_t *)arg; 3746 int rval; 3747 ddi_eventcookie_t cookie; 3748 3749 cmn_err(CE_CONT, "pshot%d: pshot_event_post_one event\n", 3750 pshot->instance); 3751 3752 if (ddi_get_eventcookie(pshot->dip, PSHOT_EVENT_NAME_BUS_TEST_POST, 3753 &cookie) != DDI_SUCCESS) { 3754 cmn_err(CE_NOTE, "pshot_bus_test_post cookie not found"); 3755 return; 3756 } 3757 3758 rval = ndi_post_event(pshot->dip, pshot->dip, cookie, NULL); 3759 3760 cmn_err(CE_CONT, "pshot%d: pshot_event_post_one rval=%d\n", 3761 pshot->instance, rval); 3762 3763 (void) timeout(pshot_event_test_post_one, (void *)pshot, 3764 pshot->instance * drv_usectohz(60000000)); 3765 3766 } 3767 #endif /* DEBUG */ 3768