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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * scsa2usb bridge nexus driver: 30 * 31 * This driver supports the following wire transports: 32 * a. Bulk Only transport (see usb_ms_bulkonly.c) 33 * b. CB transport (see usb_ms_cbi.c) 34 * c. CBI transport with interrupt status completion (see usb_ms_cbi.c) 35 * 36 * It handles the following command sets: 37 * a. SCSI 38 * b. ATAPI command set (subset of SCSI command set) 39 * c. UFI command set ( 40 * http://www.usb.org/developers/devclass_docs/usbmass-ufi10.pdf) 41 * 42 * For details on USB Mass Storage Class overview: 43 * http://www.usb.org/developers/devclass_docs/usbmassover_11.pdf 44 */ 45 #if defined(lint) && !defined(DEBUG) 46 #define DEBUG 1 47 #endif 48 49 #include <sys/usb/usba/usbai_version.h> 50 #include <sys/scsi/scsi.h> 51 #include <sys/cdio.h> 52 #include <sys/sunndi.h> 53 #include <sys/esunddi.h> 54 #include <sys/callb.h> 55 #include <sys/kobj.h> 56 #include <sys/kobj_lex.h> 57 #include <sys/strsubr.h> 58 #include <sys/sysmacros.h> 59 60 #include <sys/usb/usba.h> 61 #include <sys/usb/usba/usba_ugen.h> 62 63 #include <sys/usb/usba/usba_private.h> 64 #include <sys/usb/clients/mass_storage/usb_bulkonly.h> 65 #include <sys/usb/scsa2usb/scsa2usb.h> 66 67 /* 68 * Function Prototypes 69 */ 70 static int scsa2usb_attach(dev_info_t *, ddi_attach_cmd_t); 71 static int scsa2usb_info(dev_info_t *, ddi_info_cmd_t, void *, 72 void **); 73 static int scsa2usb_detach(dev_info_t *, ddi_detach_cmd_t); 74 static int scsa2usb_cleanup(dev_info_t *, scsa2usb_state_t *); 75 static void scsa2usb_validate_attrs(scsa2usb_state_t *); 76 static void scsa2usb_create_luns(scsa2usb_state_t *); 77 static int scsa2usb_is_usb(dev_info_t *); 78 static int scsa2usb_fake_inquiry(scsa2usb_state_t *, 79 scsa2usb_cmd_t *, uint_t); 80 static void scsa2usb_do_inquiry(scsa2usb_state_t *, 81 uint_t, uint_t); 82 static int scsa2usb_do_tur(scsa2usb_state_t *, struct scsi_address *); 83 84 /* override property handling */ 85 static void scsa2usb_override(scsa2usb_state_t *); 86 static int scsa2usb_parse_input_str(char *, scsa2usb_ov_t *, 87 scsa2usb_state_t *); 88 static void scsa2usb_override_error(char *, scsa2usb_state_t *); 89 static char *scsa2usb_strtok_r(char *, char *, char **); 90 91 92 /* PANIC callback handling */ 93 static void scsa2usb_panic_callb_init(scsa2usb_state_t *); 94 static void scsa2usb_panic_callb_fini(scsa2usb_state_t *); 95 static boolean_t scsa2usb_panic_callb(void *, int); 96 97 /* SCSA support */ 98 static int scsa2usb_scsi_tgt_probe(struct scsi_device *, int (*)(void)); 99 static int scsa2usb_scsi_tgt_init(dev_info_t *, dev_info_t *, 100 scsi_hba_tran_t *, struct scsi_device *); 101 static void scsa2usb_scsi_tgt_free(dev_info_t *, dev_info_t *, 102 scsi_hba_tran_t *, struct scsi_device *); 103 static struct scsi_pkt *scsa2usb_scsi_init_pkt(struct scsi_address *, 104 struct scsi_pkt *, struct buf *, int, int, 105 int, int, int (*)(), caddr_t); 106 static void scsa2usb_scsi_destroy_pkt(struct scsi_address *, 107 struct scsi_pkt *); 108 static int scsa2usb_scsi_start(struct scsi_address *, struct scsi_pkt *); 109 static int scsa2usb_scsi_abort(struct scsi_address *, struct scsi_pkt *); 110 static int scsa2usb_scsi_reset(struct scsi_address *, int); 111 static int scsa2usb_scsi_getcap(struct scsi_address *, char *, int); 112 static int scsa2usb_scsi_setcap(struct scsi_address *, char *, int, int); 113 static int scsa2usb_scsi_bus_config(dev_info_t *, uint_t, 114 ddi_bus_config_op_t, void *, dev_info_t **); 115 static int scsa2usb_scsi_bus_unconfig(dev_info_t *, uint_t, 116 ddi_bus_config_op_t, void *); 117 118 /* functions for command and transport support */ 119 static void scsa2usb_prepare_pkt(scsa2usb_state_t *, struct scsi_pkt *); 120 static int scsa2usb_cmd_transport(scsa2usb_state_t *, scsa2usb_cmd_t *); 121 static int scsa2usb_check_bulkonly_blacklist_attrs(scsa2usb_state_t *, 122 scsa2usb_cmd_t *, uchar_t); 123 static int scsa2usb_check_ufi_blacklist_attrs(scsa2usb_state_t *, uchar_t, 124 scsa2usb_cmd_t *); 125 static int scsa2usb_handle_scsi_cmd_sub_class(scsa2usb_state_t *, 126 scsa2usb_cmd_t *, struct scsi_pkt *); 127 static int scsa2usb_handle_ufi_subclass_cmd(scsa2usb_state_t *, 128 scsa2usb_cmd_t *, struct scsi_pkt *); 129 130 /* waitQ handling */ 131 static void scsa2usb_work_thread(void *); 132 static void scsa2usb_transport_request(scsa2usb_state_t *, uint_t); 133 static void scsa2usb_flush_waitQ(scsa2usb_state_t *, uint_t, uchar_t); 134 static int scsa2usb_all_waitQs_empty(scsa2usb_state_t *); 135 136 /* auto request sense handling */ 137 static int scsa2usb_create_arq_pkt(scsa2usb_state_t *, 138 struct scsi_address *); 139 static void scsa2usb_delete_arq_pkt(scsa2usb_state_t *); 140 static void scsa2usb_complete_arq_pkt(scsa2usb_state_t *, struct scsi_pkt *, 141 scsa2usb_cmd_t *, struct buf *); 142 143 /* utility functions for any transport */ 144 static int scsa2usb_open_usb_pipes(scsa2usb_state_t *); 145 void scsa2usb_close_usb_pipes(scsa2usb_state_t *); 146 147 static void scsa2usb_fill_up_cdb_len(scsa2usb_cmd_t *, int); 148 static void scsa2usb_fill_up_cdb_lba(scsa2usb_cmd_t *, int); 149 static void scsa2usb_fill_up_ReadCD_cdb_len(scsa2usb_cmd_t *, int, int); 150 static void scsa2usb_fill_up_12byte_cdb_len(scsa2usb_cmd_t *, int, int); 151 static int scsa2usb_read_cd_blk_size(uchar_t); 152 int scsa2usb_rw_transport(scsa2usb_state_t *, struct scsi_pkt *); 153 void scsa2usb_setup_next_xfer(scsa2usb_state_t *, scsa2usb_cmd_t *); 154 155 static mblk_t *scsa2usb_bp_to_mblk(scsa2usb_state_t *); 156 int scsa2usb_handle_data_start(scsa2usb_state_t *, 157 scsa2usb_cmd_t *, usb_bulk_req_t *); 158 void scsa2usb_handle_data_done(scsa2usb_state_t *, 159 scsa2usb_cmd_t *cmd, usb_bulk_req_t *); 160 161 usb_bulk_req_t *scsa2usb_init_bulk_req(scsa2usb_state_t *, 162 size_t, uint_t, usb_req_attrs_t, usb_flags_t); 163 int scsa2usb_bulk_timeout(int); 164 int scsa2usb_clear_ept_stall(scsa2usb_state_t *, uint_t, 165 usb_pipe_handle_t, char *); 166 static void scsa2usb_pkt_completion(scsa2usb_state_t *, struct scsi_pkt *); 167 168 /* event handling */ 169 static int scsa2usb_reconnect_event_cb(dev_info_t *); 170 static int scsa2usb_disconnect_event_cb(dev_info_t *); 171 static int scsa2usb_cpr_suspend(dev_info_t *); 172 static void scsa2usb_cpr_resume(dev_info_t *); 173 static void scsa2usb_restore_device_state(dev_info_t *, scsa2usb_state_t *); 174 175 /* PM handling */ 176 static void scsa2usb_create_pm_components(dev_info_t *, scsa2usb_state_t *); 177 static void scsa2usb_raise_power(scsa2usb_state_t *); 178 static int scsa2usb_pwrlvl0(scsa2usb_state_t *); 179 static int scsa2usb_pwrlvl1(scsa2usb_state_t *); 180 static int scsa2usb_pwrlvl2(scsa2usb_state_t *); 181 static int scsa2usb_pwrlvl3(scsa2usb_state_t *); 182 static int scsa2usb_power(dev_info_t *, int comp, int level); 183 static void scsa2usb_pm_busy_component(scsa2usb_state_t *); 184 static void scsa2usb_pm_idle_component(scsa2usb_state_t *); 185 186 /* external functions for Bulk only (BO) support */ 187 extern int scsa2usb_bulk_only_transport(scsa2usb_state_t *, 188 scsa2usb_cmd_t *); 189 extern int scsa2usb_bulk_only_get_max_lun(scsa2usb_state_t *); 190 191 /* external functions for CB/CBI support */ 192 extern int scsa2usb_cbi_transport(scsa2usb_state_t *, scsa2usb_cmd_t *); 193 extern void scsa2usb_cbi_stop_intr_polling(scsa2usb_state_t *); 194 195 196 /* cmd decoding */ 197 static char *scsa2usb_cmds[] = { 198 "\000tur", 199 "\001rezero", 200 "\003rqsense", 201 "\004format", 202 "\014cartprot", 203 "\022inquiry", 204 "\026tranlba", 205 "\030fmtverify", 206 "\032modesense", 207 "\033start", 208 "\035snddiag", 209 "\036doorlock", 210 "\043formatcap", 211 "\045readcap", 212 "\050read10", 213 "\052write10", 214 "\053seek10", 215 "\056writeverify", 216 "\057verify", 217 "\065synchcache", 218 "\076readlong", 219 "\077writelong", 220 "\102readsubchan", 221 "\103readtoc", 222 "\104readhdr", 223 "\105playaudio10", 224 "\107playaudio_msf", 225 "\110playaudio_ti", 226 "\111playtrk_r10", 227 "\112geteventnotify", 228 "\113pause_resume", 229 "\116stop/play_scan", 230 "\121readdiscinfo", 231 "\122readtrkinfo", 232 "\123reservedtrk", 233 "\124sendopcinfo", 234 "\125modeselect", 235 "\132modesense", 236 "\133closetrksession", 237 "\135sendcuesheet", 238 "\136prin", 239 "\137prout", 240 "\241blankcd", 241 "\245playaudio12", 242 "\250read12", 243 "\251playtrk12", 244 "\252write12", 245 "\254getperf", 246 "\271readcdmsf", 247 "\273setcdspeed", 248 "\275mechanism_sts", 249 "\276readcd", 250 NULL 251 }; 252 253 254 /* 255 * Mass-Storage devices masquerade as "sd" disks. 256 * 257 * These devices may not support all SCSI CDBs in their 258 * entirety due to their hardware implementation limitations. 259 * 260 * As such, following is a list of some of the black-listed 261 * devices w/ the attributes that they do not support. 262 * (See scsa2usb.h for description on each attribute) 263 */ 264 #define X ((uint16_t)(-1)) 265 266 static struct blacklist { 267 uint16_t idVendor; /* vendor ID */ 268 uint16_t idProduct; /* product ID */ 269 uint16_t bcdDevice; /* device release number in bcd */ 270 uint16_t attributes; /* attributes to blacklist */ 271 } scsa2usb_blacklist[] = { 272 /* Iomega Zip100 drive (prototype) with flaky bridge */ 273 {MS_IOMEGA_VID, MS_IOMEGA_PID1_ZIP100, 0, 274 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_PM}, 275 276 /* Iomega Zip100 drive (newer model) with flaky bridge */ 277 {MS_IOMEGA_VID, MS_IOMEGA_PID2_ZIP100, 0, 278 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_PM}, 279 280 /* Iomega Zip100 drive (newer model) with flaky bridge */ 281 {MS_IOMEGA_VID, MS_IOMEGA_PID3_ZIP100, 0, 282 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_PM}, 283 284 /* Iomega Zip250 drive */ 285 {MS_IOMEGA_VID, MS_IOMEGA_PID_ZIP250, 0, SCSA2USB_ATTRS_GET_LUN}, 286 287 /* Iomega Clik! drive */ 288 {MS_IOMEGA_VID, MS_IOMEGA_PID_CLIK, 0, 289 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP}, 290 291 /* SMSC floppy Device - and its clones */ 292 {MS_SMSC_VID, X, 0, SCSA2USB_ATTRS_START_STOP}, 293 294 /* Hagiwara SmartMedia Device */ 295 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID1, 0, 296 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP}, 297 298 /* Hagiwara CompactFlash Device */ 299 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID2, 0, 300 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP}, 301 302 /* Hagiwara SmartMedia/CompactFlash Combo Device */ 303 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID3, 0, 304 SCSA2USB_ATTRS_START_STOP}, 305 306 /* Hagiwara new SM Device */ 307 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID4, 0, 308 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP}, 309 310 /* Hagiwara new CF Device */ 311 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID5, 0, 312 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP}, 313 314 /* Mitsumi CD-RW Device(s) */ 315 {MS_MITSUMI_VID, X, X, SCSA2USB_ATTRS_BIG_TIMEOUT | 316 SCSA2USB_ATTRS_GET_CONF | SCSA2USB_ATTRS_GET_PERF}, 317 318 /* Neodio Technologies Corporation SM/CF/MS/SD Combo Device */ 319 {MS_NEODIO_VID, MS_NEODIO_DEVICE_3050, 0, 320 SCSA2USB_ATTRS_MODE_SENSE }, 321 322 /* dumb flash devices */ 323 {MS_SONY_FLASH_VID, MS_SONY_FLASH_PID, 0, 324 SCSA2USB_ATTRS_REDUCED_CMD}, 325 326 {MS_TREK_FLASH_VID, MS_TREK_FLASH_PID, 0, 327 SCSA2USB_ATTRS_REDUCED_CMD}, 328 329 {MS_PENN_FLASH_VID, MS_PENN_FLASH_PID, 0, 330 SCSA2USB_ATTRS_REDUCED_CMD}, 331 332 /* SimpleTech UCF-100 CF Device */ 333 {MS_SIMPLETECH_VID, MS_SIMPLETECH_PID1, 0, 334 SCSA2USB_ATTRS_REDUCED_CMD}, 335 336 {MS_ADDONICS_CARD_READER_VID, MS_ADDONICS_CARD_READER_PID, 337 0, SCSA2USB_ATTRS_REDUCED_CMD}, 338 339 /* Acomdata 80GB USB/1394 Hard Disk */ 340 {MS_ACOMDATA_VID, MS_ACOMDATA_PID1, 0, 341 SCSA2USB_ATTRS_USE_CSW_RESIDUE}, 342 343 /* OTi6828 Flash Disk */ 344 {MS_OTI_VID, MS_OTI_DEVICE_6828, 0, 345 SCSA2USB_ATTRS_USE_CSW_RESIDUE}, 346 347 /* AMI Virtual Floppy */ 348 {MS_AMI_VID, MS_AMI_VIRTUAL_FLOPPY, 0, 349 SCSA2USB_ATTRS_NO_MEDIA_CHECK}, 350 351 /* ScanLogic USB Storage Device */ 352 {MS_SCANLOGIC_VID, MS_SCANLOGIC_PID1, 0, 353 SCSA2USB_ATTRS_NO_CAP_ADJUST}, 354 355 /* Super Top USB 2.0 IDE Device */ 356 {MS_SUPERTOP_VID, MS_SUPERTOP_DEVICE_6600, 0, 357 SCSA2USB_ATTRS_USE_CSW_RESIDUE} 358 }; 359 360 361 #define N_SCSA2USB_BLACKLIST (sizeof (scsa2usb_blacklist))/ \ 362 sizeof (struct blacklist) 363 364 /* 365 * Attribute values can be overridden by values 366 * contained in the scsa2usb.conf file. 367 * These arrays define possible user input values. 368 */ 369 370 struct scsa2usb_subclass_protocol_override { 371 char *name; 372 int value; 373 }; 374 375 static struct scsa2usb_subclass_protocol_override scsa2usb_protocol[] = { 376 {"CB", SCSA2USB_CB_PROTOCOL}, 377 {"CBI", SCSA2USB_CBI_PROTOCOL}, 378 {"BO", SCSA2USB_BULK_ONLY_PROTOCOL} 379 }; 380 381 static struct scsa2usb_subclass_protocol_override scsa2usb_subclass[] = { 382 {"SCSI", SCSA2USB_SCSI_CMDSET}, 383 {"ATAPI", SCSA2USB_ATAPI_CMDSET}, 384 {"UFI", SCSA2USB_UFI_CMDSET} 385 }; 386 387 388 #define N_SCSA2USB_SUBC_OVERRIDE (sizeof (scsa2usb_subclass))/ \ 389 sizeof (struct scsa2usb_subclass_protocol_override) 390 391 #define N_SCSA2USB_PROT_OVERRIDE (sizeof (scsa2usb_protocol))/ \ 392 sizeof (struct scsa2usb_subclass_protocol_override) 393 394 /* global variables */ 395 static void *scsa2usb_statep; /* for soft state */ 396 static boolean_t scsa2usb_sync_message = B_TRUE; /* for syncing */ 397 398 /* for debug messages */ 399 uint_t scsa2usb_errmask = (uint_t)DPRINT_MASK_ALL; 400 uint_t scsa2usb_errlevel = USB_LOG_L4; 401 uint_t scsa2usb_instance_debug = (uint_t)-1; 402 uint_t scsa2usb_scsi_bus_config_debug = 0; 403 uint_t scsa2usb_long_timeout = 50 * SCSA2USB_BULK_PIPE_TIMEOUT; 404 405 406 /* 407 * Some devices have problems with big bulk transfers, 408 * transfers >= 128kbytes hang the device. This tunable allows to 409 * limit the maximum bulk transfers rate. 410 */ 411 uint_t scsa2usb_max_bulk_xfer_size = SCSA2USB_MAX_BULK_XFER_SIZE; 412 413 414 #ifdef SCSA2USB_BULK_ONLY_TEST 415 /* 416 * Test BO 13 cases. (See USB Mass Storage Class - Bulk Only Transport). 417 * We are not covering test cases 1, 6, and 12 as these are the "good" 418 * test cases and are tested as part of the normal drive access operations. 419 * 420 * NOTE: This is for testing only. It will be replaced by a uscsi test. 421 * Some are listed here while; other test cases are moved to usb_bulkonly.c 422 */ 423 static int scsa2usb_test_case_5 = 0; 424 int scsa2usb_test_case_8 = 0; 425 int scsa2usb_test_case_10 = 0; 426 static int scsa2usb_test_case_11 = 0; 427 428 static void scsa2usb_test_mblk(scsa2usb_state_t *, boolean_t); 429 #endif /* SCSA2USB_BULK_ONLY_TEST */ 430 431 static int scsa2usb_ugen_open(dev_t *, int, int, cred_t *); 432 static int scsa2usb_ugen_close(dev_t, int, int, cred_t *); 433 static int scsa2usb_ugen_strategy(struct buf *); 434 static int scsa2usb_ugen_read(dev_t, struct uio *, cred_t *); 435 static int scsa2usb_ugen_write(dev_t, struct uio *, cred_t *); 436 static int scsa2usb_ugen_poll(dev_t, short, int, short *, 437 struct pollhead **); 438 439 /* scsa2usb cb_ops */ 440 static struct cb_ops scsa2usb_cbops = { 441 scsa2usb_ugen_open, /* open */ 442 scsa2usb_ugen_close, /* close */ 443 nodev, /* strategy */ 444 nodev, /* print */ 445 nodev, /* dump */ 446 scsa2usb_ugen_read, /* read */ 447 scsa2usb_ugen_write, /* write */ 448 nodev, /* ioctl */ 449 nodev, /* devmap */ 450 nodev, /* mmap */ 451 nodev, /* segmap */ 452 scsa2usb_ugen_poll, /* poll */ 453 ddi_prop_op, /* prop_op */ 454 NULL, /* stream */ 455 D_MP, /* cb_flag */ 456 CB_REV, /* rev */ 457 nodev, /* int (*cb_aread)() */ 458 nodev /* int (*cb_awrite)() */ 459 }; 460 461 /* modloading support */ 462 static struct dev_ops scsa2usb_ops = { 463 DEVO_REV, /* devo_rev, */ 464 0, /* refcnt */ 465 scsa2usb_info, /* info */ 466 nulldev, /* identify */ 467 nulldev, /* probe */ 468 scsa2usb_attach, /* attach */ 469 scsa2usb_detach, /* detach */ 470 nodev, /* reset */ 471 &scsa2usb_cbops, /* driver operations */ 472 NULL, /* bus operations */ 473 scsa2usb_power /* power */ 474 }; 475 476 static struct modldrv modldrv = { 477 &mod_driverops, /* Module type. This one is a driver */ 478 "SCSA to USB Driver %I%", /* Name of the module. */ 479 &scsa2usb_ops, /* driver ops */ 480 }; 481 482 static struct modlinkage modlinkage = { 483 MODREV_1, (void *)&modldrv, NULL 484 }; 485 486 /* event support */ 487 static usb_event_t scsa2usb_events = { 488 scsa2usb_disconnect_event_cb, 489 scsa2usb_reconnect_event_cb, 490 NULL, NULL 491 }; 492 493 int 494 _init(void) 495 { 496 int rval; 497 498 if (((rval = ddi_soft_state_init(&scsa2usb_statep, 499 sizeof (scsa2usb_state_t), SCSA2USB_INITIAL_ALLOC)) != 0)) { 500 501 return (rval); 502 } 503 504 if ((rval = scsi_hba_init(&modlinkage)) != 0) { 505 ddi_soft_state_fini(&scsa2usb_statep); 506 507 return (rval); 508 } 509 510 if ((rval = mod_install(&modlinkage)) != 0) { 511 scsi_hba_fini(&modlinkage); 512 ddi_soft_state_fini(&scsa2usb_statep); 513 514 return (rval); 515 } 516 517 return (rval); 518 } 519 520 521 int 522 _fini(void) 523 { 524 int rval; 525 526 if ((rval = mod_remove(&modlinkage)) == 0) { 527 scsi_hba_fini(&modlinkage); 528 ddi_soft_state_fini(&scsa2usb_statep); 529 } 530 531 return (rval); 532 } 533 534 535 int 536 _info(struct modinfo *modinfop) 537 { 538 return (mod_info(&modlinkage, modinfop)); 539 } 540 541 542 /* 543 * scsa2usb_info : 544 * Get minor number, soft state structure etc. 545 */ 546 /*ARGSUSED*/ 547 static int 548 scsa2usb_info(dev_info_t *dip, ddi_info_cmd_t infocmd, 549 void *arg, void **result) 550 { 551 scsa2usb_state_t *scsa2usbp = NULL; 552 int error = DDI_FAILURE; 553 int instance = SCSA2USB_MINOR_TO_INSTANCE(getminor((dev_t)arg)); 554 555 switch (infocmd) { 556 case DDI_INFO_DEVT2DEVINFO: 557 if (((scsa2usbp = ddi_get_soft_state(scsa2usb_statep, 558 instance)) != NULL) && 559 scsa2usbp->scsa2usb_dip) { 560 *result = scsa2usbp->scsa2usb_dip; 561 error = DDI_SUCCESS; 562 } else { 563 *result = NULL; 564 } 565 break; 566 case DDI_INFO_DEVT2INSTANCE: 567 *result = (void *)(uintptr_t)instance; 568 error = DDI_SUCCESS; 569 break; 570 default: 571 break; 572 } 573 574 return (error); 575 } 576 577 578 /* 579 * scsa2usb_attach: 580 * Attach driver 581 * Allocate a "scsi_hba_tran" - call scsi_hba_tran_alloc() 582 * Invoke scsi_hba_attach_setup 583 * Get the serialno of the device 584 * Open bulk pipes 585 * Create disk child(ren) 586 * Register events 587 * Create and register panic callback 588 * 589 * NOTE: Replaced CBW_DIR_OUT with USB_EP_DIR_OUT and CBW_DIR_IN with 590 * USB_EP_DIR_IN as they are the same #defines. 591 */ 592 static int 593 scsa2usb_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 594 { 595 int instance = ddi_get_instance(dip); 596 int interface; 597 uint_t lun; 598 boolean_t ept_check = B_TRUE; 599 scsi_hba_tran_t *tran; /* scsi transport */ 600 scsa2usb_state_t *scsa2usbp; 601 usb_log_handle_t log_handle; 602 usb_ep_data_t *ep_data; 603 usb_client_dev_data_t *dev_data; 604 usb_alt_if_data_t *altif_data; 605 usb_ugen_info_t usb_ugen_info; 606 607 USB_DPRINTF_L4(DPRINT_MASK_SCSA, NULL, 608 "scsa2usb_attach: dip = 0x%p", (void *)dip); 609 610 switch (cmd) { 611 case DDI_ATTACH: 612 break; 613 case DDI_RESUME: 614 scsa2usb_cpr_resume(dip); 615 616 return (DDI_SUCCESS); 617 default: 618 USB_DPRINTF_L2(DPRINT_MASK_SCSA, NULL, 619 "scsa2usb_attach: failed"); 620 621 return (DDI_FAILURE); 622 } 623 624 /* Allocate softc information */ 625 if (ddi_soft_state_zalloc(scsa2usb_statep, instance) != DDI_SUCCESS) { 626 ddi_prop_remove_all(dip); 627 628 return (DDI_FAILURE); 629 } 630 631 /* get soft state space and initialize */ 632 if ((scsa2usbp = ddi_get_soft_state(scsa2usb_statep, 633 instance)) == NULL) { 634 USB_DPRINTF_L2(DPRINT_MASK_SCSA, NULL, 635 "scsa2usb%d: bad soft state", instance); 636 ddi_prop_remove_all(dip); 637 638 return (DDI_FAILURE); 639 } 640 641 scsa2usbp->scsa2usb_dip = dip; 642 scsa2usbp->scsa2usb_instance = instance; 643 644 /* allocate a log handle for debug/error messages */ 645 scsa2usbp->scsa2usb_log_handle = log_handle = 646 usb_alloc_log_hdl(dip, "s2u", 647 &scsa2usb_errlevel, 648 &scsa2usb_errmask, &scsa2usb_instance_debug, 649 0); 650 651 /* attach to USBA */ 652 if (usb_client_attach(dip, USBDRV_VERSION, 0) != USB_SUCCESS) { 653 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 654 "usb_client_attach failed"); 655 656 goto fail; 657 } 658 if (usb_get_dev_data(dip, &dev_data, USB_PARSE_LVL_IF, 0) != 659 USB_SUCCESS) { 660 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 661 "usb_get_dev_data failed"); 662 663 goto fail; 664 } 665 666 /* initialize the mutex with the right cookie */ 667 mutex_init(&scsa2usbp->scsa2usb_mutex, NULL, MUTEX_DRIVER, 668 dev_data->dev_iblock_cookie); 669 cv_init(&scsa2usbp->scsa2usb_transport_busy_cv, NULL, CV_DRIVER, NULL); 670 671 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 672 usba_init_list(&scsa2usbp->scsa2usb_waitQ[lun], NULL, 673 dev_data->dev_iblock_cookie); 674 } 675 mutex_enter(&scsa2usbp->scsa2usb_mutex); 676 scsa2usbp->scsa2usb_dip = dip; 677 scsa2usbp->scsa2usb_instance = instance; 678 scsa2usbp->scsa2usb_attrs = SCSA2USB_ALL_ATTRS; 679 scsa2usbp->scsa2usb_dev_data = dev_data; 680 681 682 /* save the default pipe handle */ 683 scsa2usbp->scsa2usb_default_pipe = dev_data->dev_default_ph; 684 685 /* basic inits are done */ 686 scsa2usbp->scsa2usb_flags |= SCSA2USB_FLAGS_LOCKS_INIT; 687 688 USB_DPRINTF_L4(DPRINT_MASK_SCSA, log_handle, 689 "curr_cfg=%ld, curr_if=%d", 690 (long)(dev_data->dev_curr_cfg - &dev_data->dev_cfg[0]), 691 dev_data->dev_curr_if); 692 693 interface = dev_data->dev_curr_if; 694 scsa2usbp->scsa2usb_intfc_num = dev_data->dev_curr_if; 695 696 /* now find out relevant descriptors for alternate 0 */ 697 altif_data = &dev_data->dev_curr_cfg->cfg_if[interface].if_alt[0]; 698 699 if (altif_data->altif_n_ep == 0) { 700 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 701 "invalid alt 0 for interface %d", interface); 702 mutex_exit(&scsa2usbp->scsa2usb_mutex); 703 704 goto fail; 705 } 706 707 /* All CB/CBI, BO devices should have this value set */ 708 if (altif_data->altif_descr.bInterfaceClass != 709 USB_CLASS_MASS_STORAGE) { 710 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 711 "invalid interface class (0x%x)", 712 altif_data->altif_descr.bInterfaceClass); 713 } 714 scsa2usbp->scsa2usb_intfc_descr = altif_data->altif_descr; 715 716 /* figure out the endpoints and copy the descr */ 717 if ((ep_data = usb_lookup_ep_data(dip, dev_data, interface, 0, 0, 718 USB_EP_ATTR_BULK, USB_EP_DIR_OUT)) != NULL) { 719 scsa2usbp->scsa2usb_bulkout_ept = ep_data->ep_descr; 720 } 721 if ((ep_data = usb_lookup_ep_data(dip, dev_data, interface, 0, 0, 722 USB_EP_ATTR_BULK, USB_EP_DIR_IN)) != NULL) { 723 scsa2usbp->scsa2usb_bulkin_ept = ep_data->ep_descr; 724 } 725 if ((ep_data = usb_lookup_ep_data(dip, dev_data, interface, 0, 0, 726 USB_EP_ATTR_INTR, USB_EP_DIR_IN)) != NULL) { 727 scsa2usbp->scsa2usb_intr_ept = ep_data->ep_descr; 728 } 729 730 /* 731 * check here for protocol and subclass supported by this driver 732 * 733 * first check if conf file has override values 734 * Note: override values are not used if supplied values are legal 735 */ 736 scsa2usb_override(scsa2usbp); 737 738 USB_DPRINTF_L3(DPRINT_MASK_SCSA, log_handle, 739 "protocol=0x%x override=0x%x subclass=0x%x override=0x%x", 740 scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol, 741 scsa2usbp->scsa2usb_protocol_override, 742 scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass, 743 scsa2usbp->scsa2usb_subclass_override); 744 745 switch (scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol) { 746 case USB_PROTO_MS_CBI: 747 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_CB_PROTOCOL; 748 break; 749 case USB_PROTO_MS_CBI_WC: 750 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_CBI_PROTOCOL; 751 break; 752 case USB_PROTO_MS_ISD_1999_SILICN: 753 case USB_PROTO_MS_BULK_ONLY: 754 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_BULK_ONLY_PROTOCOL; 755 break; 756 default: 757 if (scsa2usbp->scsa2usb_protocol_override) { 758 scsa2usbp->scsa2usb_cmd_protocol |= 759 scsa2usbp->scsa2usb_protocol_override; 760 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 761 "overriding protocol %x", 762 scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol); 763 break; 764 } 765 766 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 767 "unsupported protocol = %x", 768 scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol); 769 mutex_exit(&scsa2usbp->scsa2usb_mutex); 770 771 goto fail; 772 } 773 774 switch (scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass) { 775 case USB_SUBCLS_MS_SCSI: /* transparent SCSI */ 776 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_SCSI_CMDSET; 777 break; 778 case USB_SUBCLS_MS_SFF8020I: 779 case USB_SUBCLS_MS_SFF8070I: 780 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_ATAPI_CMDSET; 781 break; 782 case USB_SUBCLS_MS_UFI: /* UFI */ 783 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_UFI_CMDSET; 784 break; 785 default: 786 if (scsa2usbp->scsa2usb_subclass_override) { 787 scsa2usbp->scsa2usb_cmd_protocol |= 788 scsa2usbp->scsa2usb_subclass_override; 789 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 790 "overriding subclass %x", 791 scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass); 792 break; 793 } 794 795 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 796 "unsupported subclass = %x", 797 scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass); 798 mutex_exit(&scsa2usbp->scsa2usb_mutex); 799 800 goto fail; 801 } 802 803 /* check that we have the right set of endpoint descriptors */ 804 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp) || SCSA2USB_IS_CB(scsa2usbp)) { 805 if ((scsa2usbp->scsa2usb_bulkout_ept.bLength == 0) || 806 (scsa2usbp->scsa2usb_bulkin_ept.bLength == 0)) { 807 ept_check = B_FALSE; 808 } 809 } else if (SCSA2USB_IS_CBI(scsa2usbp)) { 810 if ((scsa2usbp->scsa2usb_bulkout_ept.bLength == 0) || 811 (scsa2usbp->scsa2usb_bulkin_ept.bLength == 0) || 812 (scsa2usbp->scsa2usb_intr_ept.bLength == 0)) { 813 ept_check = B_FALSE; 814 } 815 } 816 817 if (ept_check == B_FALSE) { 818 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 819 "scsa2usb%d doesn't support minimum required endpoints", 820 instance); 821 mutex_exit(&scsa2usbp->scsa2usb_mutex); 822 823 goto fail; 824 } 825 826 /* 827 * Validate the black-listed attributes 828 */ 829 scsa2usb_validate_attrs(scsa2usbp); 830 831 /* Print the serial number from the registration data */ 832 if (scsa2usbp->scsa2usb_dev_data->dev_serial) { 833 USB_DPRINTF_L4(DPRINT_MASK_SCSA, 834 scsa2usbp->scsa2usb_log_handle, "Serial Number = %s", 835 scsa2usbp->scsa2usb_dev_data->dev_serial); 836 } 837 838 /* 839 * Allocate a SCSA transport structure 840 */ 841 tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); 842 scsa2usbp->scsa2usb_tran = tran; 843 844 /* 845 * initialize transport structure 846 */ 847 tran->tran_hba_private = scsa2usbp; 848 tran->tran_tgt_private = NULL; 849 tran->tran_tgt_init = scsa2usb_scsi_tgt_init; 850 tran->tran_tgt_probe = scsa2usb_scsi_tgt_probe; 851 tran->tran_tgt_free = scsa2usb_scsi_tgt_free; 852 tran->tran_start = scsa2usb_scsi_start; 853 tran->tran_abort = scsa2usb_scsi_abort; 854 tran->tran_reset = scsa2usb_scsi_reset; 855 tran->tran_getcap = scsa2usb_scsi_getcap; 856 tran->tran_setcap = scsa2usb_scsi_setcap; 857 tran->tran_init_pkt = scsa2usb_scsi_init_pkt; 858 tran->tran_destroy_pkt = scsa2usb_scsi_destroy_pkt; 859 tran->tran_dmafree = NULL; 860 tran->tran_sync_pkt = NULL; 861 tran->tran_reset_notify = NULL; 862 tran->tran_get_bus_addr = NULL; 863 tran->tran_get_name = NULL; 864 tran->tran_quiesce = NULL; 865 tran->tran_unquiesce = NULL; 866 tran->tran_bus_reset = NULL; 867 tran->tran_add_eventcall = NULL; 868 tran->tran_get_eventcookie = NULL; 869 tran->tran_post_event = NULL; 870 tran->tran_remove_eventcall = NULL; 871 tran->tran_bus_config = scsa2usb_scsi_bus_config; 872 tran->tran_bus_unconfig = scsa2usb_scsi_bus_unconfig; 873 874 /* 875 * register with SCSA as an HBA 876 * Note that the dma attributes are from parent nexus 877 */ 878 if (scsi_hba_attach_setup(dip, usba_get_hc_dma_attr(dip), tran, 0)) { 879 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 880 "scsi_hba_attach_setup failed"); 881 mutex_exit(&scsa2usbp->scsa2usb_mutex); 882 883 goto fail; 884 } 885 886 scsa2usbp->scsa2usb_flags |= SCSA2USB_FLAGS_HBA_ATTACH_SETUP; 887 888 /* create minor node */ 889 if (ddi_create_minor_node(dip, "scsa2usb", S_IFCHR, 890 instance << SCSA2USB_MINOR_INSTANCE_SHIFT, 891 DDI_NT_SCSI_NEXUS, 0) != DDI_SUCCESS) { 892 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 893 "scsi_attach: ddi_create_minor_node failed"); 894 mutex_exit(&scsa2usbp->scsa2usb_mutex); 895 896 goto fail; 897 } 898 899 /* open pipes and set scsa2usb_flags */ 900 if (scsa2usb_open_usb_pipes(scsa2usbp) == USB_FAILURE) { 901 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 902 "error opening pipes"); 903 mutex_exit(&scsa2usbp->scsa2usb_mutex); 904 905 goto fail; 906 } 907 908 /* set default block size. updated after read cap cmd */ 909 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 910 scsa2usbp->scsa2usb_lbasize[lun] = DEV_BSIZE; 911 } 912 913 mutex_exit(&scsa2usbp->scsa2usb_mutex); 914 915 /* initialize PANIC callback */ 916 scsa2usb_panic_callb_init(scsa2usbp); 917 918 /* finally we are all done 'initializing' the device */ 919 mutex_enter(&scsa2usbp->scsa2usb_mutex); 920 scsa2usbp->scsa2usb_dev_state = USB_DEV_ONLINE; 921 922 /* enable PM, mutex needs to be held across this */ 923 scsa2usb_create_pm_components(dip, scsa2usbp); 924 mutex_exit(&scsa2usbp->scsa2usb_mutex); 925 926 /* register for connect/disconnect events */ 927 if (usb_register_event_cbs(scsa2usbp->scsa2usb_dip, &scsa2usb_events, 928 0) != USB_SUCCESS) { 929 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle, 930 "error cb registering"); 931 goto fail; 932 } 933 934 /* free the dev_data tree, we no longer need it */ 935 usb_free_descr_tree(dip, dev_data); 936 937 scsa2usb_pm_idle_component(scsa2usbp); 938 939 /* log the conf file override string if there is one */ 940 if (scsa2usbp->scsa2usb_override_str) { 941 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 942 "scsa2usb.conf override: %s", 943 scsa2usbp->scsa2usb_override_str); 944 } 945 946 if (usb_owns_device(dip)) { 947 /* get a ugen handle */ 948 bzero(&usb_ugen_info, sizeof (usb_ugen_info)); 949 usb_ugen_info.usb_ugen_flags = 0; 950 usb_ugen_info.usb_ugen_minor_node_ugen_bits_mask = 951 (dev_t)SCSA2USB_MINOR_UGEN_BITS_MASK; 952 usb_ugen_info.usb_ugen_minor_node_instance_mask = 953 (dev_t)~SCSA2USB_MINOR_UGEN_BITS_MASK; 954 scsa2usbp->scsa2usb_ugen_hdl = 955 usb_ugen_get_hdl(dip, &usb_ugen_info); 956 957 if (usb_ugen_attach(scsa2usbp->scsa2usb_ugen_hdl, cmd) != 958 USB_SUCCESS) { 959 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 960 scsa2usbp->scsa2usb_log_handle, 961 "usb_ugen_attach failed"); 962 963 usb_ugen_release_hdl(scsa2usbp->scsa2usb_ugen_hdl); 964 scsa2usbp->scsa2usb_ugen_hdl = NULL; 965 } 966 } 967 968 /* report device */ 969 ddi_report_dev(dip); 970 971 return (DDI_SUCCESS); 972 973 fail: 974 if (scsa2usbp) { 975 (void) scsa2usb_cleanup(dip, scsa2usbp); 976 } 977 978 return (DDI_FAILURE); 979 } 980 981 982 /* 983 * scsa2usb_detach: 984 * detach or suspend driver instance 985 */ 986 static int 987 scsa2usb_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 988 { 989 scsi_hba_tran_t *tran; 990 scsa2usb_state_t *scsa2usbp; 991 int rval; 992 993 tran = ddi_get_driver_private(dip); 994 ASSERT(tran != NULL); 995 996 scsa2usbp = (scsa2usb_state_t *)tran->tran_hba_private; 997 ASSERT(scsa2usbp); 998 999 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1000 "scsa2usb_detach: dip = 0x%p, cmd = %d", (void *)dip, cmd); 1001 1002 switch (cmd) { 1003 case DDI_DETACH: 1004 1005 if (scsa2usb_cleanup(dip, scsa2usbp) != USB_SUCCESS) { 1006 1007 return (DDI_FAILURE); 1008 } 1009 1010 return (DDI_SUCCESS); 1011 case DDI_SUSPEND: 1012 rval = scsa2usb_cpr_suspend(dip); 1013 1014 return ((rval == USB_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 1015 default: 1016 1017 return (DDI_FAILURE); 1018 } 1019 } 1020 1021 1022 /* 1023 * ugen support 1024 */ 1025 /* 1026 * scsa2usb_ugen_open() 1027 * (all ugen opens and pipe opens are by definition exclusive so it is OK 1028 * to count opens) 1029 */ 1030 static int 1031 scsa2usb_ugen_open(dev_t *devp, int flag, int sflag, cred_t *cr) 1032 { 1033 scsa2usb_state_t *scsa2usbp; 1034 int rval; 1035 1036 if ((scsa2usbp = ddi_get_soft_state(scsa2usb_statep, 1037 SCSA2USB_MINOR_TO_INSTANCE(getminor(*devp)))) == NULL) { 1038 /* deferred detach */ 1039 1040 return (ENXIO); 1041 } 1042 1043 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1044 "scsa2usb_ugen_open: dev_t=0x%lx", *devp); 1045 1046 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1047 1048 /* if this is the first ugen open, check on transport busy */ 1049 if (scsa2usbp->scsa2usb_ugen_open_count == 0) { 1050 while (scsa2usbp->scsa2usb_transport_busy || 1051 (scsa2usb_all_waitQs_empty(scsa2usbp) != 1052 USB_SUCCESS)) { 1053 rval = cv_wait_sig( 1054 &scsa2usbp->scsa2usb_transport_busy_cv, 1055 &scsa2usbp->scsa2usb_mutex); 1056 if (rval == 0) { 1057 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1058 1059 return (EINTR); 1060 } 1061 } 1062 scsa2usbp->scsa2usb_transport_busy++; 1063 scsa2usbp->scsa2usb_busy_thread = curthread; 1064 } 1065 scsa2usbp->scsa2usb_ugen_open_count++; 1066 1067 scsa2usb_raise_power(scsa2usbp); 1068 1069 scsa2usb_close_usb_pipes(scsa2usbp); 1070 1071 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1072 1073 rval = usb_ugen_open(scsa2usbp->scsa2usb_ugen_hdl, devp, flag, 1074 sflag, cr); 1075 1076 if (rval) { 1077 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1078 1079 /* reopen the pipes */ 1080 if (--scsa2usbp->scsa2usb_ugen_open_count == 0) { 1081 scsa2usbp->scsa2usb_transport_busy--; 1082 scsa2usbp->scsa2usb_busy_thread = NULL; 1083 cv_signal(&scsa2usbp->scsa2usb_transport_busy_cv); 1084 } 1085 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1086 1087 scsa2usb_pm_idle_component(scsa2usbp); 1088 } 1089 1090 return (rval); 1091 } 1092 1093 1094 /* 1095 * scsa2usb_ugen_close() 1096 */ 1097 static int 1098 scsa2usb_ugen_close(dev_t dev, int flag, int otype, cred_t *cr) 1099 { 1100 int rval; 1101 1102 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep, 1103 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev))); 1104 1105 if (scsa2usbp == NULL) { 1106 1107 return (ENXIO); 1108 } 1109 1110 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1111 "scsa2usb_ugen_close: dev_t=0x%lx", dev); 1112 1113 rval = usb_ugen_close(scsa2usbp->scsa2usb_ugen_hdl, dev, flag, 1114 otype, cr); 1115 1116 if (rval == 0) { 1117 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1118 1119 /* reopen the pipes */ 1120 if (--scsa2usbp->scsa2usb_ugen_open_count == 0) { 1121 scsa2usbp->scsa2usb_transport_busy--; 1122 scsa2usbp->scsa2usb_busy_thread = NULL; 1123 cv_signal(&scsa2usbp->scsa2usb_transport_busy_cv); 1124 } 1125 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1126 1127 scsa2usb_pm_idle_component(scsa2usbp); 1128 } 1129 1130 return (rval); 1131 } 1132 1133 1134 /* 1135 * scsa2usb_ugen_read/write() 1136 */ 1137 /*ARGSUSED*/ 1138 static int 1139 scsa2usb_ugen_read(dev_t dev, struct uio *uiop, cred_t *credp) 1140 { 1141 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep, 1142 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev))); 1143 1144 if (scsa2usbp == NULL) { 1145 1146 return (ENXIO); 1147 } 1148 1149 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1150 "scsa2usb_ugen_read: dev_t=0x%lx", dev); 1151 1152 1153 return (usb_ugen_read(scsa2usbp->scsa2usb_ugen_hdl, dev, 1154 uiop, credp)); 1155 } 1156 1157 1158 /*ARGSUSED*/ 1159 static int 1160 scsa2usb_ugen_write(dev_t dev, struct uio *uiop, cred_t *credp) 1161 { 1162 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep, 1163 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev))); 1164 1165 if (scsa2usbp == NULL) { 1166 1167 return (ENXIO); 1168 } 1169 1170 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1171 "scsa2usb_ugen_write: dev_t=0x%lx", dev); 1172 1173 return (usb_ugen_write(scsa2usbp->scsa2usb_ugen_hdl, 1174 dev, uiop, credp)); 1175 } 1176 1177 1178 /* 1179 * scsa2usb_ugen_poll 1180 */ 1181 static int 1182 scsa2usb_ugen_poll(dev_t dev, short events, 1183 int anyyet, short *reventsp, struct pollhead **phpp) 1184 { 1185 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep, 1186 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev))); 1187 1188 if (scsa2usbp == NULL) { 1189 1190 return (ENXIO); 1191 } 1192 1193 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1194 "scsa2usb_ugen_poll: dev_t=0x%lx", dev); 1195 1196 return (usb_ugen_poll(scsa2usbp->scsa2usb_ugen_hdl, dev, events, 1197 anyyet, reventsp, phpp)); 1198 } 1199 1200 1201 /* 1202 * scsa2usb_cleanup: 1203 * cleanup whatever attach has setup 1204 */ 1205 static int 1206 scsa2usb_cleanup(dev_info_t *dip, scsa2usb_state_t *scsa2usbp) 1207 { 1208 int rval, i; 1209 scsa2usb_power_t *pm; 1210 uint_t lun; 1211 1212 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1213 "scsa2usb_cleanup:"); 1214 1215 /* wait till the work thread is done */ 1216 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1217 for (i = 0; i < SCSA2USB_DRAIN_TIMEOUT; i++) { 1218 if (scsa2usbp->scsa2usb_work_thread_id == NULL) { 1219 1220 break; 1221 } 1222 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1223 delay(drv_usectohz(1000000)); 1224 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1225 } 1226 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1227 1228 if (i >= SCSA2USB_DRAIN_TIMEOUT) { 1229 1230 return (USB_FAILURE); 1231 } 1232 1233 /* 1234 * Disable the event callbacks first, after this point, event 1235 * callbacks will never get called. Note we shouldn't hold 1236 * mutex while unregistering events because there may be a 1237 * competing event callback thread. Event callbacks are done 1238 * with ndi mutex held and this can cause a potential deadlock. 1239 */ 1240 usb_unregister_event_cbs(scsa2usbp->scsa2usb_dip, &scsa2usb_events); 1241 1242 if (scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_LOCKS_INIT) { 1243 /* 1244 * if a waitQ exists, get rid of it before destroying it 1245 */ 1246 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 1247 scsa2usb_flush_waitQ(scsa2usbp, lun, CMD_TRAN_ERR); 1248 usba_destroy_list(&scsa2usbp->scsa2usb_waitQ[lun]); 1249 } 1250 1251 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1252 if (scsa2usbp->scsa2usb_flags & 1253 SCSA2USB_FLAGS_HBA_ATTACH_SETUP) { 1254 (void) scsi_hba_detach(dip); 1255 scsi_hba_tran_free(scsa2usbp->scsa2usb_tran); 1256 } 1257 1258 if (scsa2usbp->scsa2usb_flags & 1259 SCSA2USB_FLAGS_PIPES_OPENED) { 1260 scsa2usb_close_usb_pipes(scsa2usbp); 1261 } 1262 1263 /* Lower the power */ 1264 pm = scsa2usbp->scsa2usb_pm; 1265 1266 if (pm && (scsa2usbp->scsa2usb_dev_state != 1267 USB_DEV_DISCONNECTED)) { 1268 if (pm->scsa2usb_wakeup_enabled) { 1269 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1270 (void) pm_raise_power(dip, 0, 1271 USB_DEV_OS_FULL_PWR); 1272 1273 if ((rval = usb_handle_remote_wakeup(dip, 1274 USB_REMOTE_WAKEUP_DISABLE)) != 1275 USB_SUCCESS) { 1276 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1277 scsa2usbp->scsa2usb_log_handle, 1278 "disable remote wakeup failed " 1279 "(%d)", rval); 1280 } 1281 } else { 1282 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1283 } 1284 1285 (void) pm_lower_power(dip, 0, USB_DEV_OS_PWR_OFF); 1286 1287 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1288 } 1289 1290 if (pm) { 1291 kmem_free(pm, sizeof (scsa2usb_power_t)); 1292 } 1293 1294 if (scsa2usbp->scsa2usb_override_str) { 1295 kmem_free(scsa2usbp->scsa2usb_override_str, 1296 strlen(scsa2usbp->scsa2usb_override_str) + 1); 1297 scsa2usbp->scsa2usb_override_str = NULL; 1298 } 1299 1300 /* remove the minor nodes */ 1301 ddi_remove_minor_node(dip, NULL); 1302 1303 /* Cancel the registered panic callback */ 1304 scsa2usb_panic_callb_fini(scsa2usbp); 1305 1306 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1307 1308 mutex_destroy(&scsa2usbp->scsa2usb_mutex); 1309 cv_destroy(&scsa2usbp->scsa2usb_transport_busy_cv); 1310 } 1311 1312 usb_client_detach(scsa2usbp->scsa2usb_dip, 1313 scsa2usbp->scsa2usb_dev_data); 1314 1315 if (scsa2usbp->scsa2usb_ugen_hdl) { 1316 (void) usb_ugen_detach(scsa2usbp->scsa2usb_ugen_hdl, 1317 DDI_DETACH); 1318 usb_ugen_release_hdl(scsa2usbp->scsa2usb_ugen_hdl); 1319 } 1320 1321 usb_free_log_hdl(scsa2usbp->scsa2usb_log_handle); 1322 1323 ddi_prop_remove_all(dip); 1324 1325 ddi_soft_state_free(scsa2usb_statep, ddi_get_instance(dip)); 1326 1327 return (USB_SUCCESS); 1328 } 1329 1330 1331 /* 1332 * scsa2usb_override: 1333 * some devices may be attached even though their subclass or 1334 * protocol info is not according to spec. 1335 * these can be determined by the 'subclass-protocol-override' 1336 * property set in the conf file. 1337 */ 1338 static void 1339 scsa2usb_override(scsa2usb_state_t *scsa2usbp) 1340 { 1341 scsa2usb_ov_t ov; 1342 char **override_str = NULL; 1343 char *override_str_cpy; 1344 uint_t override_str_len, override_str_cpy_len; 1345 uint_t i; 1346 usb_dev_descr_t *descr = scsa2usbp->scsa2usb_dev_data->dev_descr; 1347 1348 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 1349 1350 scsa2usbp->scsa2usb_subclass_override = 1351 scsa2usbp->scsa2usb_protocol_override = 0; 1352 1353 if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, scsa2usbp->scsa2usb_dip, 1354 DDI_PROP_DONTPASS, "attribute-override-list", 1355 &override_str, &override_str_len) != DDI_PROP_SUCCESS) { 1356 1357 return; 1358 } 1359 1360 /* parse each string in the subclass-protocol-override property */ 1361 for (i = 0; i < override_str_len; i++) { 1362 1363 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1364 "override_str[%d] = %s", i, override_str[i]); 1365 1366 /* 1367 * save a copy of the override string for possible 1368 * inclusion in soft state later 1369 */ 1370 override_str_cpy_len = strlen(override_str[i]) + 1; 1371 override_str_cpy = kmem_zalloc(override_str_cpy_len, KM_SLEEP); 1372 (void) strcpy(override_str_cpy, override_str[i]); 1373 1374 bzero(&ov, sizeof (scsa2usb_ov_t)); 1375 1376 if (scsa2usb_parse_input_str(override_str[i], &ov, 1377 scsa2usbp) == USB_FAILURE) { 1378 kmem_free(override_str_cpy, override_str_cpy_len); 1379 continue; 1380 } 1381 1382 /* 1383 * see if subclass/protocol needs to be overridden for device 1384 * or if device should not be power managed 1385 * if there'a a match, save the override string in soft state 1386 */ 1387 if (((descr->idVendor == (uint16_t)ov.vid) || (ov.vid == 0)) && 1388 ((descr->idProduct == (uint16_t)ov.pid) || (ov.pid == 0)) && 1389 ((descr->bcdDevice == (uint16_t)ov.rev) || (ov.rev == 0))) { 1390 scsa2usbp->scsa2usb_subclass_override = ov.subclass; 1391 scsa2usbp->scsa2usb_protocol_override = ov.protocol; 1392 1393 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1394 scsa2usbp->scsa2usb_log_handle, 1395 "vid=0x%x pid=0x%x rev=0x%x subclass=0x%x " 1396 "protocol=0x%x " 1397 "pmoff=%d fake_removable=%d modesense=%d " 1398 "reduced-cmd-support=%d", 1399 ov.vid, ov.pid, ov.rev, ov.subclass, ov.protocol, 1400 ov.pmoff, ov.fake_removable, ov.no_modesense, 1401 ov.reduced_cmd_support); 1402 1403 if (ov.pmoff) { 1404 scsa2usbp->scsa2usb_attrs &= ~SCSA2USB_ATTRS_PM; 1405 } 1406 if (ov.fake_removable) { 1407 scsa2usbp->scsa2usb_attrs &= 1408 ~SCSA2USB_ATTRS_RMB; 1409 } 1410 if (ov.no_modesense) { 1411 scsa2usbp->scsa2usb_attrs &= 1412 ~SCSA2USB_ATTRS_MODE_SENSE; 1413 } 1414 if (ov.reduced_cmd_support) { 1415 scsa2usbp->scsa2usb_attrs &= 1416 ~SCSA2USB_ATTRS_REDUCED_CMD; 1417 } 1418 scsa2usbp->scsa2usb_override_str = override_str_cpy; 1419 break; 1420 } else { 1421 kmem_free(override_str_cpy, override_str_cpy_len); 1422 } 1423 } 1424 1425 ddi_prop_free(override_str); 1426 } 1427 1428 1429 /* 1430 * scsa2usb_parse_input_str: 1431 * parse one conf file subclass-protocol-override string 1432 * return vendor id, product id, revision, subclass, protocol 1433 * function return is success or failure 1434 */ 1435 static int 1436 scsa2usb_parse_input_str(char *str, scsa2usb_ov_t *ovp, 1437 scsa2usb_state_t *scsa2usbp) 1438 { 1439 char *input_field, *input_value; 1440 char *lasts; 1441 uint_t i; 1442 u_longlong_t value; 1443 1444 /* parse all the input pairs in the string */ 1445 for (input_field = scsa2usb_strtok_r(str, "=", &lasts); 1446 input_field != NULL; 1447 input_field = scsa2usb_strtok_r(lasts, "=", &lasts)) { 1448 1449 if ((input_value = scsa2usb_strtok_r(lasts, " ", &lasts)) == 1450 NULL) { 1451 scsa2usb_override_error("format", scsa2usbp); 1452 1453 return (USB_FAILURE); 1454 } 1455 /* if input value is a 'don't care', skip to the next pair */ 1456 if (strcmp(input_value, "*") == 0) { 1457 continue; 1458 } 1459 if (strcasecmp(input_field, "vid") == 0) { 1460 if (kobj_getvalue(input_value, &value) == -1) { 1461 scsa2usb_override_error("vendor id", scsa2usbp); 1462 1463 return (USB_FAILURE); 1464 } 1465 ovp->vid = (int)value; 1466 } else if (strcasecmp(input_field, "pid") == 0) { 1467 if (kobj_getvalue(input_value, &value) == -1) { 1468 scsa2usb_override_error("product id", 1469 scsa2usbp); 1470 1471 return (USB_FAILURE); 1472 } 1473 ovp->pid = (int)value; 1474 } else if (strcasecmp(input_field, "rev") == 0) { 1475 if (kobj_getvalue(input_value, &value) == -1) { 1476 scsa2usb_override_error("revision id", 1477 scsa2usbp); 1478 1479 return (USB_FAILURE); 1480 } 1481 ovp->rev = (int)value; 1482 } else if (strcasecmp(input_field, "subclass") == 0) { 1483 for (i = 0; i < N_SCSA2USB_SUBC_OVERRIDE; i++) { 1484 if (strcasecmp(input_value, 1485 scsa2usb_subclass[i].name) == 0) { 1486 ovp->subclass = 1487 scsa2usb_subclass[i].value; 1488 break; 1489 } 1490 } 1491 if (ovp->subclass == 0) { 1492 scsa2usb_override_error("subclass", scsa2usbp); 1493 1494 return (USB_FAILURE); 1495 } 1496 } else if (strcasecmp(input_field, "protocol") == 0) { 1497 for (i = 0; i < N_SCSA2USB_PROT_OVERRIDE; i++) { 1498 if (strcasecmp(input_value, 1499 scsa2usb_protocol[i].name) == 0) { 1500 ovp->protocol = 1501 scsa2usb_protocol[i].value; 1502 break; 1503 } 1504 } 1505 if (ovp->protocol == 0) { 1506 scsa2usb_override_error("protocol", scsa2usbp); 1507 1508 return (USB_FAILURE); 1509 } 1510 } else if (strcasecmp(input_field, "pm") == 0) { 1511 if (strcasecmp(input_value, "off") == 0) { 1512 ovp->pmoff = 1; 1513 break; 1514 } else { 1515 scsa2usb_override_error("pm", scsa2usbp); 1516 1517 return (USB_FAILURE); 1518 } 1519 } else if (strcasecmp(input_field, "removable") == 0) { 1520 if (strcasecmp(input_value, "true") == 0) { 1521 ovp->fake_removable = 1; 1522 break; 1523 } else { 1524 scsa2usb_override_error("removable", scsa2usbp); 1525 1526 return (USB_FAILURE); 1527 } 1528 } else if (strcasecmp(input_field, "modesense") == 0) { 1529 if (strcasecmp(input_value, "false") == 0) { 1530 ovp->no_modesense = 1; 1531 break; 1532 } else { 1533 scsa2usb_override_error("modesense", 1534 scsa2usbp); 1535 1536 return (USB_FAILURE); 1537 } 1538 } else if (strcasecmp(input_field, 1539 "reduced-cmd-support") == 0) { 1540 if (strcasecmp(input_value, "true") == 0) { 1541 ovp->reduced_cmd_support = 1; 1542 break; 1543 } else { 1544 scsa2usb_override_error( 1545 "reduced-cmd-support", scsa2usbp); 1546 1547 return (USB_FAILURE); 1548 } 1549 } else { 1550 scsa2usb_override_error(input_field, scsa2usbp); 1551 1552 return (USB_FAILURE); 1553 } 1554 } 1555 1556 return (USB_SUCCESS); 1557 } 1558 1559 1560 /* 1561 * scsa2usb_override_error: 1562 * print an error message if conf file string is bad format 1563 */ 1564 static void 1565 scsa2usb_override_error(char *input_field, scsa2usb_state_t *scsa2usbp) 1566 { 1567 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1568 "invalid %s in scsa2usb.conf file entry", input_field); 1569 } 1570 1571 /* 1572 * scsa2usb_strtok_r: 1573 * parse a list of tokens 1574 */ 1575 static char * 1576 scsa2usb_strtok_r(char *p, char *sep, char **lasts) 1577 { 1578 char *e; 1579 char *tok = NULL; 1580 1581 if (p == 0 || *p == 0) { 1582 1583 return (NULL); 1584 } 1585 1586 e = p+strlen(p); 1587 1588 do { 1589 if (strchr(sep, *p) != NULL) { 1590 if (tok != NULL) { 1591 *p = 0; 1592 *lasts = p+1; 1593 1594 return (tok); 1595 } 1596 } else if (tok == NULL) { 1597 tok = p; 1598 } 1599 } while (++p < e); 1600 1601 *lasts = NULL; 1602 1603 return (tok); 1604 } 1605 1606 1607 /* 1608 * scsa2usb_validate_attrs: 1609 * many devices have BO/CB/CBI protocol support issues. 1610 * use vendor/product info to reset the 1611 * individual erroneous attributes 1612 * 1613 * NOTE: we look at only device at a time (at attach time) 1614 */ 1615 static void 1616 scsa2usb_validate_attrs(scsa2usb_state_t *scsa2usbp) 1617 { 1618 int i, mask; 1619 usb_dev_descr_t *desc = scsa2usbp->scsa2usb_dev_data->dev_descr; 1620 1621 if (!SCSA2USB_IS_BULK_ONLY(scsa2usbp)) { 1622 scsa2usbp->scsa2usb_attrs &= ~SCSA2USB_ATTRS_GET_LUN; 1623 } 1624 1625 /* determine if this device is on the blacklist */ 1626 for (i = 0; i < N_SCSA2USB_BLACKLIST; i++) { 1627 if ((scsa2usb_blacklist[i].idVendor == desc->idVendor) && 1628 ((scsa2usb_blacklist[i].idProduct == desc->idProduct) || 1629 (scsa2usb_blacklist[i].idProduct == X))) { 1630 scsa2usbp->scsa2usb_attrs &= 1631 ~(scsa2usb_blacklist[i].attributes); 1632 break; 1633 } 1634 } 1635 1636 /* 1637 * Mitsumi's CD-RW drives subclass isn't UFI. 1638 * But they support UFI command-set (this code ensures that) 1639 * NOTE: This is a special case, and is being called out so. 1640 */ 1641 if (desc->idVendor == MS_MITSUMI_VID) { 1642 mask = scsa2usbp->scsa2usb_cmd_protocol & SCSA2USB_CMDSET_MASK; 1643 if (mask) { 1644 scsa2usbp->scsa2usb_cmd_protocol &= ~mask; 1645 } 1646 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_UFI_CMDSET; 1647 } 1648 1649 if (scsa2usbp->scsa2usb_attrs != SCSA2USB_ALL_ATTRS) { 1650 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1651 scsa2usbp->scsa2usb_log_handle, 1652 "scsa2usb attributes modified: 0x%x", 1653 scsa2usbp->scsa2usb_attrs); 1654 } 1655 } 1656 1657 1658 /* 1659 * scsa2usb_create_luns: 1660 * check the number of luns but continue if the check fails, 1661 * create child nodes for each lun 1662 */ 1663 static void 1664 scsa2usb_create_luns(scsa2usb_state_t *scsa2usbp) 1665 { 1666 int lun, rval; 1667 char *compatible[MAX_COMPAT_NAMES]; /* compatible names */ 1668 dev_info_t *cdip; 1669 uchar_t dtype; 1670 char *node_name; 1671 char *driver_name = NULL; 1672 1673 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1674 "scsa2usb_create_luns:"); 1675 1676 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1677 1678 /* Set n_luns to 1 by default (for floppies and other devices) */ 1679 scsa2usbp->scsa2usb_n_luns = 1; 1680 1681 /* 1682 * Check if there are any device out there which don't 1683 * support the GET_MAX_LUN command. If so, don't issue 1684 * control request to them. 1685 */ 1686 if ((scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_LUN) == 0) { 1687 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1688 "get_max_lun cmd not supported"); 1689 } else { 1690 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) { 1691 scsa2usbp->scsa2usb_n_luns = 1692 scsa2usb_bulk_only_get_max_lun(scsa2usbp); 1693 } 1694 } 1695 1696 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1697 "scsa2usb_create_luns: %d luns found", scsa2usbp->scsa2usb_n_luns); 1698 1699 /* 1700 * create disk child for each lun 1701 */ 1702 for (lun = 0; lun < scsa2usbp->scsa2usb_n_luns; lun++) { 1703 ASSERT(scsa2usbp->scsa2usb_lun_dip[lun] == NULL); 1704 1705 /* do an inquiry to get the dtype of this lun */ 1706 scsa2usb_do_inquiry(scsa2usbp, 0, lun); 1707 1708 dtype = scsa2usbp->scsa2usb_lun_inquiry[lun]. 1709 inq_dtype & DTYPE_MASK; 1710 1711 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1712 "dtype[%d]=0x%x", lun, dtype); 1713 1714 driver_name = NULL; 1715 1716 switch (dtype) { 1717 case DTYPE_DIRECT: 1718 case DTYPE_RODIRECT: 1719 case DTYPE_OPTICAL: 1720 node_name = "disk"; 1721 driver_name = "sd"; 1722 1723 break; 1724 case DTYPE_SEQUENTIAL: 1725 node_name = "tape"; 1726 driver_name = "st"; 1727 1728 break; 1729 case DTYPE_PRINTER: 1730 node_name = "printer"; 1731 1732 break; 1733 case DTYPE_PROCESSOR: 1734 node_name = "processor"; 1735 1736 break; 1737 case DTYPE_WORM: 1738 node_name = "worm"; 1739 1740 break; 1741 case DTYPE_SCANNER: 1742 node_name = "scanner"; 1743 1744 break; 1745 case DTYPE_CHANGER: 1746 node_name = "changer"; 1747 1748 break; 1749 case DTYPE_COMM: 1750 node_name = "comm"; 1751 1752 break; 1753 case DTYPE_ARRAY_CTRL: 1754 node_name = "array_ctrl"; 1755 1756 break; 1757 case DTYPE_ESI: 1758 node_name = "esi"; 1759 driver_name = "ses"; 1760 1761 break; 1762 default: 1763 node_name = "generic"; 1764 1765 break; 1766 } 1767 1768 if (driver_name) { 1769 compatible[0] = driver_name; 1770 } 1771 1772 ndi_devi_alloc_sleep(scsa2usbp->scsa2usb_dip, node_name, 1773 (pnode_t)DEVI_SID_NODEID, &cdip); 1774 1775 /* attach target & lun properties */ 1776 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "target", 0); 1777 if (rval != DDI_PROP_SUCCESS) { 1778 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1779 scsa2usbp->scsa2usb_log_handle, 1780 "ndi_prop_update_int target failed %d", rval); 1781 (void) ndi_devi_free(cdip); 1782 continue; 1783 } 1784 1785 rval = ndi_prop_create_boolean(DDI_DEV_T_NONE, cdip, 1786 "hotpluggable"); 1787 if (rval != DDI_PROP_SUCCESS) { 1788 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1789 scsa2usbp->scsa2usb_log_handle, 1790 "ndi_prop_create_boolean hotpluggable failed %d", 1791 rval); 1792 ddi_prop_remove_all(cdip); 1793 (void) ndi_devi_free(cdip); 1794 continue; 1795 } 1796 /* 1797 * Some devices don't support LOG SENSE, so tells 1798 * sd driver not to send this command. 1799 */ 1800 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, 1801 "pm-capable", 1); 1802 if (rval != DDI_PROP_SUCCESS) { 1803 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1804 scsa2usbp->scsa2usb_log_handle, 1805 "ndi_prop_update_int pm-capable failed %d", rval); 1806 ddi_prop_remove_all(cdip); 1807 (void) ndi_devi_free(cdip); 1808 continue; 1809 } 1810 1811 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "lun", lun); 1812 if (rval != DDI_PROP_SUCCESS) { 1813 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1814 scsa2usbp->scsa2usb_log_handle, 1815 "ndi_prop_update_int lun failed %d", rval); 1816 ddi_prop_remove_all(cdip); 1817 (void) ndi_devi_free(cdip); 1818 continue; 1819 } 1820 1821 if (driver_name) { 1822 rval = ndi_prop_update_string_array(DDI_DEV_T_NONE, 1823 cdip, "compatible", (char **)compatible, 1824 MAX_COMPAT_NAMES); 1825 if (rval != DDI_PROP_SUCCESS) { 1826 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1827 scsa2usbp->scsa2usb_log_handle, 1828 "ndi_prop_update_string_array failed %d", 1829 rval); 1830 ddi_prop_remove_all(cdip); 1831 (void) ndi_devi_free(cdip); 1832 continue; 1833 } 1834 } 1835 1836 /* 1837 * add property "usb" so we always verify that it is our child 1838 */ 1839 rval = ndi_prop_create_boolean(DDI_DEV_T_NONE, cdip, "usb"); 1840 if (rval != DDI_PROP_SUCCESS) { 1841 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 1842 scsa2usbp->scsa2usb_log_handle, 1843 "ndi_prop_create_boolean failed %d", rval); 1844 ddi_prop_remove_all(cdip); 1845 (void) ndi_devi_free(cdip); 1846 continue; 1847 } 1848 1849 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1850 (void) ddi_initchild(scsa2usbp->scsa2usb_dip, cdip); 1851 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1852 1853 usba_set_usba_device(cdip, 1854 usba_get_usba_device(scsa2usbp->scsa2usb_dip)); 1855 } 1856 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1857 } 1858 1859 1860 /* 1861 * scsa2usb_is_usb: 1862 * scsa2usb gets called for all possible sd children. 1863 * we can only accept usb children 1864 */ 1865 static int 1866 scsa2usb_is_usb(dev_info_t *dip) 1867 { 1868 if (dip) { 1869 return (ddi_prop_exists(DDI_DEV_T_ANY, dip, 1870 DDI_PROP_DONTPASS, "usb")); 1871 } 1872 return (0); 1873 } 1874 1875 1876 /* 1877 * Panic Stuff 1878 * scsa2usb_panic_callb_init: 1879 * initialize PANIC callb and free allocated resources 1880 */ 1881 static void 1882 scsa2usb_panic_callb_init(scsa2usb_state_t *scsa2usbp) 1883 { 1884 /* 1885 * In case the system panics, the sync command flushes 1886 * dirty FS pages or buffers. This would cause a hang 1887 * in USB. 1888 * The reason for the failure is that we enter 1889 * polled mode (interrupts disabled) and HCD gets stuck 1890 * trying to execute bulk requests 1891 * The panic_callback registered below provides a warning 1892 * that a panic has occurred and from that point onwards, we 1893 * complete each request successfully and immediately. This 1894 * will fake successful syncing so at least the rest of the 1895 * filesystems complete syncing. 1896 */ 1897 scsa2usbp->scsa2usb_panic_info = 1898 kmem_zalloc(sizeof (scsa2usb_cpr_t), KM_SLEEP); 1899 mutex_init(&scsa2usbp->scsa2usb_panic_info->lockp, 1900 NULL, MUTEX_DRIVER, 1901 scsa2usbp->scsa2usb_dev_data->dev_iblock_cookie); 1902 scsa2usbp->scsa2usb_panic_info->statep = scsa2usbp; 1903 scsa2usbp->scsa2usb_panic_info->cpr.cc_lockp = 1904 &scsa2usbp->scsa2usb_panic_info->lockp; 1905 scsa2usbp->scsa2usb_panic_info->cpr.cc_id = 1906 callb_add(scsa2usb_panic_callb, 1907 (void *)scsa2usbp->scsa2usb_panic_info, 1908 CB_CL_PANIC, "scsa2usb"); 1909 } 1910 1911 1912 /* 1913 * scsa2usb_panic_callb_fini: 1914 * cancel out PANIC callb and free allocated resources 1915 */ 1916 static void 1917 scsa2usb_panic_callb_fini(scsa2usb_state_t *scsa2usbp) 1918 { 1919 if (scsa2usbp->scsa2usb_panic_info) { 1920 SCSA2USB_CANCEL_CB(scsa2usbp->scsa2usb_panic_info->cpr.cc_id); 1921 mutex_destroy(&scsa2usbp->scsa2usb_panic_info->lockp); 1922 scsa2usbp->scsa2usb_panic_info->statep = NULL; 1923 kmem_free(scsa2usbp->scsa2usb_panic_info, 1924 sizeof (scsa2usb_cpr_t)); 1925 scsa2usbp->scsa2usb_panic_info = NULL; 1926 } 1927 } 1928 1929 1930 /* 1931 * scsa2usb_panic_callb: 1932 * This routine is called when there is a system panic. 1933 */ 1934 /* ARGSUSED */ 1935 static boolean_t 1936 scsa2usb_panic_callb(void *arg, int code) 1937 { 1938 scsa2usb_cpr_t *cpr_infop; 1939 scsa2usb_state_t *scsa2usbp; 1940 uint_t lun; 1941 1942 _NOTE(NO_COMPETING_THREADS_NOW); 1943 cpr_infop = (scsa2usb_cpr_t *)arg; 1944 scsa2usbp = (scsa2usb_state_t *)cpr_infop->statep; 1945 1946 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1947 "scsa2usb_panic_callb: code=%d", code); 1948 1949 /* 1950 * If we return error here, "sd" prints lots of error 1951 * messages and could retry the same pkt over and over again. 1952 * The sync recovery isn't "smooth" in that case. By faking 1953 * a success return, instead, we force sync to complete. 1954 */ 1955 if (scsa2usbp->scsa2usb_cur_pkt) { 1956 /* 1957 * Do not print the "no sync" warning here. it will then be 1958 * displayed before we actually start syncing. Also we don't 1959 * replace this code with a call to scsa2usb_pkt_completion(). 1960 * NOTE: mutexes are disabled during panic. 1961 */ 1962 scsa2usbp->scsa2usb_cur_pkt->pkt_reason = CMD_CMPLT; 1963 mutex_enter(&scsa2usbp->scsa2usb_mutex); 1964 scsa2usb_pkt_completion(scsa2usbp, scsa2usbp->scsa2usb_cur_pkt); 1965 mutex_exit(&scsa2usbp->scsa2usb_mutex); 1966 } 1967 1968 /* get rid of waitQ */ 1969 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 1970 scsa2usb_flush_waitQ(scsa2usbp, lun, CMD_CMPLT); 1971 } 1972 1973 #ifndef lint 1974 _NOTE(COMPETING_THREADS_NOW); 1975 #endif 1976 1977 return (B_TRUE); 1978 } 1979 1980 /* 1981 * scsa2usb_cpr_suspend 1982 * determine if the device's state can be changed to SUSPENDED 1983 * close pipes if there is no activity 1984 */ 1985 /* ARGSUSED */ 1986 static int 1987 scsa2usb_cpr_suspend(dev_info_t *dip) 1988 { 1989 scsa2usb_state_t *scsa2usbp; 1990 int prev_state; 1991 int rval = USB_FAILURE; 1992 1993 scsa2usbp = ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 1994 1995 ASSERT(scsa2usbp != NULL); 1996 1997 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 1998 "scsa2usb_cpr_suspend:"); 1999 2000 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2001 switch (scsa2usbp->scsa2usb_dev_state) { 2002 case USB_DEV_ONLINE: 2003 case USB_DEV_PWRED_DOWN: 2004 case USB_DEV_DISCONNECTED: 2005 prev_state = scsa2usbp->scsa2usb_dev_state; 2006 scsa2usbp->scsa2usb_dev_state = USB_DEV_SUSPENDED; 2007 2008 /* 2009 * If the device is busy, we cannot suspend 2010 */ 2011 if (SCSA2USB_BUSY(scsa2usbp)) { 2012 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 2013 scsa2usbp->scsa2usb_log_handle, 2014 "scsa2usb_cpr_suspend: I/O active"); 2015 2016 /* fall back to previous state */ 2017 scsa2usbp->scsa2usb_dev_state = prev_state; 2018 } else { 2019 rval = USB_SUCCESS; 2020 } 2021 2022 break; 2023 case USB_DEV_SUSPENDED: 2024 default: 2025 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2026 "scsa2usb_cpr_suspend: Illegal dev state: %d", 2027 scsa2usbp->scsa2usb_dev_state); 2028 2029 break; 2030 } 2031 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2032 2033 if ((rval == USB_SUCCESS) && scsa2usbp->scsa2usb_ugen_hdl) { 2034 rval = usb_ugen_detach(scsa2usbp->scsa2usb_ugen_hdl, 2035 DDI_SUSPEND); 2036 } 2037 2038 return (rval); 2039 } 2040 2041 2042 /* 2043 * scsa2usb_cpr_resume: 2044 * restore device's state 2045 */ 2046 static void 2047 scsa2usb_cpr_resume(dev_info_t *dip) 2048 { 2049 scsa2usb_state_t *scsa2usbp = 2050 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 2051 2052 ASSERT(scsa2usbp != NULL); 2053 2054 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2055 "scsa2usb_cpr_resume: dip = 0x%p", (void *)dip); 2056 2057 scsa2usb_restore_device_state(dip, scsa2usbp); 2058 2059 if (scsa2usbp->scsa2usb_ugen_hdl) { 2060 (void) usb_ugen_attach(scsa2usbp->scsa2usb_ugen_hdl, 2061 DDI_RESUME); 2062 } 2063 } 2064 2065 2066 /* 2067 * scsa2usb_restore_device_state: 2068 * - raise the device's power 2069 * - reopen all the pipes 2070 */ 2071 static void 2072 scsa2usb_restore_device_state(dev_info_t *dip, scsa2usb_state_t *scsa2usbp) 2073 { 2074 uint_t prev_state; 2075 2076 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2077 "scsa2usb_restore_device_state:"); 2078 2079 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2080 prev_state = scsa2usbp->scsa2usb_dev_state; 2081 2082 scsa2usb_raise_power(scsa2usbp); 2083 2084 ASSERT((prev_state == USB_DEV_DISCONNECTED) || 2085 (prev_state == USB_DEV_SUSPENDED)); 2086 2087 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2088 2089 /* Check for the same device */ 2090 if (usb_check_same_device(dip, scsa2usbp->scsa2usb_log_handle, 2091 USB_LOG_L0, DPRINT_MASK_ALL, USB_CHK_ALL, NULL) != USB_SUCCESS) { 2092 2093 /* change the flags to active */ 2094 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2095 scsa2usbp->scsa2usb_dev_state = USB_DEV_DISCONNECTED; 2096 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2097 2098 scsa2usb_pm_idle_component(scsa2usbp); 2099 2100 return; 2101 } 2102 2103 /* 2104 * if the device had remote wakeup earlier, 2105 * enable it again 2106 */ 2107 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2108 if (scsa2usbp->scsa2usb_pm && 2109 scsa2usbp->scsa2usb_pm->scsa2usb_wakeup_enabled) { 2110 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2111 (void) usb_handle_remote_wakeup(scsa2usbp->scsa2usb_dip, 2112 USB_REMOTE_WAKEUP_ENABLE); 2113 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2114 } 2115 2116 scsa2usbp->scsa2usb_dev_state = USB_DEV_ONLINE; 2117 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE; 2118 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2119 2120 scsa2usb_pm_idle_component(scsa2usbp); 2121 } 2122 2123 2124 /* 2125 * SCSA entry points: 2126 * 2127 * scsa2usb_scsi_tgt_probe: 2128 * scsa functions are exported by means of the transport table 2129 * Issue a probe to get the inquiry data. 2130 */ 2131 /* ARGSUSED */ 2132 static int 2133 scsa2usb_scsi_tgt_probe(struct scsi_device *sd, int (*waitfunc)(void)) 2134 { 2135 scsi_hba_tran_t *tran; 2136 scsa2usb_state_t *scsa2usbp; 2137 dev_info_t *dip = ddi_get_parent(sd->sd_dev); 2138 int rval; 2139 2140 ASSERT(dip); 2141 2142 tran = ddi_get_driver_private(dip); 2143 ASSERT(tran != NULL); 2144 scsa2usbp = (scsa2usb_state_t *)tran->tran_hba_private; 2145 ASSERT(scsa2usbp); 2146 2147 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2148 "scsa2usb_scsi_tgt_probe:"); 2149 2150 /* if device is disconnected (ie. pipes closed), fail immediately */ 2151 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2152 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 2153 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2154 2155 return (SCSIPROBE_FAILURE); 2156 } 2157 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2158 2159 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2160 "scsa2usb_scsi_tgt_probe: scsi_device = 0x%p", (void *)sd); 2161 2162 if ((rval = scsi_hba_probe(sd, waitfunc)) == SCSIPROBE_EXISTS) { 2163 /* 2164 * respect the removable bit on all USB storage devices 2165 * unless overridden by a scsa2usb.conf entry 2166 */ 2167 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2168 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_RMB)) { 2169 _NOTE(SCHEME_PROTECTS_DATA("unshared", scsi_inquiry)) 2170 sd->sd_inq->inq_rmb = 1; 2171 } 2172 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2173 } 2174 2175 return (rval); 2176 } 2177 2178 2179 /* 2180 * scsa2usb_scsi_tgt_init: 2181 * check whether we created this child ourselves 2182 */ 2183 /* ARGSUSED */ 2184 static int 2185 scsa2usb_scsi_tgt_init(dev_info_t *dip, dev_info_t *cdip, 2186 scsi_hba_tran_t *tran, struct scsi_device *sd) 2187 { 2188 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *) 2189 tran->tran_hba_private; 2190 int lun; 2191 int t_len = sizeof (lun); 2192 2193 if (ddi_prop_op(DDI_DEV_T_ANY, cdip, PROP_LEN_AND_VAL_BUF, 2194 DDI_PROP_DONTPASS|DDI_PROP_CANSLEEP, "lun", (caddr_t)&lun, 2195 &t_len) != DDI_PROP_SUCCESS) { 2196 2197 return (DDI_FAILURE); 2198 } 2199 2200 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2201 "scsa2usb_scsi_tgt_init: %s, lun%d", ddi_driver_name(cdip), lun); 2202 2203 /* is this a child we created? */ 2204 if (scsa2usb_is_usb(cdip) == 0) { 2205 2206 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2207 "scsa2usb_scsi_tgt_init: new child %s%d", 2208 ddi_driver_name(cdip), ddi_get_instance(cdip)); 2209 2210 /* 2211 * add property "usb" so we can always verify that it 2212 * is our child 2213 */ 2214 if (ndi_prop_create_boolean(DDI_DEV_T_NONE, cdip, "usb") != 2215 DDI_PROP_SUCCESS) { 2216 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 2217 scsa2usbp->scsa2usb_log_handle, 2218 "ndi_prop_create_boolean failed"); 2219 2220 return (DDI_FAILURE); 2221 } 2222 2223 usba_set_usba_device(cdip, 2224 usba_get_usba_device(scsa2usbp->scsa2usb_dip)); 2225 2226 /* 2227 * we don't store this dip in scsa2usb_lun_dip, there 2228 * might be multiple dips for the same device 2229 */ 2230 2231 return (DDI_SUCCESS); 2232 } 2233 2234 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2235 if ((lun >= scsa2usbp->scsa2usb_n_luns) || 2236 (scsa2usbp->scsa2usb_lun_dip[lun] != NULL)) { 2237 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2238 2239 return (DDI_FAILURE); 2240 } 2241 2242 scsa2usbp->scsa2usb_lun_dip[lun] = cdip; 2243 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2244 2245 return (DDI_SUCCESS); 2246 } 2247 2248 2249 /* 2250 * scsa2usb_scsi_tgt_free: 2251 */ 2252 /* ARGSUSED */ 2253 static void 2254 scsa2usb_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *cdip, 2255 scsi_hba_tran_t *tran, struct scsi_device *sd) 2256 { 2257 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *) 2258 tran->tran_hba_private; 2259 int lun; 2260 int t_len = sizeof (lun); 2261 2262 /* is this our child? */ 2263 if (scsa2usb_is_usb(cdip) == 0) { 2264 2265 return; 2266 } 2267 2268 if (ddi_prop_op(DDI_DEV_T_ANY, cdip, PROP_LEN_AND_VAL_BUF, 2269 DDI_PROP_DONTPASS|DDI_PROP_CANSLEEP, "lun", (caddr_t)&lun, 2270 &t_len) != DDI_PROP_SUCCESS) { 2271 2272 return; 2273 } 2274 2275 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2276 "scsa2usb_scsi_tgt_free: %s lun%d", ddi_driver_name(cdip), lun); 2277 2278 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2279 if (lun < scsa2usbp->scsa2usb_n_luns) { 2280 if (scsa2usbp->scsa2usb_lun_dip[lun] == cdip) { 2281 scsa2usbp->scsa2usb_lun_dip[lun] = NULL; 2282 } 2283 } 2284 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2285 } 2286 2287 2288 /* 2289 * bus enumeration entry points 2290 */ 2291 static int 2292 scsa2usb_scsi_bus_config(dev_info_t *dip, uint_t flag, ddi_bus_config_op_t op, 2293 void *arg, dev_info_t **child) 2294 { 2295 int circ; 2296 int rval; 2297 2298 scsa2usb_state_t *scsa2usbp = 2299 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 2300 2301 ASSERT(scsa2usbp != NULL); 2302 2303 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2304 "scsa2usb_scsi_bus_config: op=%d", op); 2305 2306 if (scsa2usb_scsi_bus_config_debug) { 2307 flag |= NDI_DEVI_DEBUG; 2308 } 2309 2310 ndi_devi_enter(dip, &circ); 2311 /* create children if necessary */ 2312 if (DEVI(dip)->devi_child == NULL) { 2313 scsa2usb_create_luns(scsa2usbp); 2314 } 2315 2316 rval = ndi_busop_bus_config(dip, flag, op, arg, child, 0); 2317 2318 ndi_devi_exit(dip, circ); 2319 2320 return (rval); 2321 } 2322 2323 2324 static int 2325 scsa2usb_scsi_bus_unconfig(dev_info_t *dip, uint_t flag, ddi_bus_config_op_t op, 2326 void *arg) 2327 { 2328 scsa2usb_state_t *scsa2usbp = 2329 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 2330 2331 int circular_count; 2332 int rval = NDI_SUCCESS; 2333 uint_t save_flag = flag; 2334 2335 ASSERT(scsa2usbp != NULL); 2336 2337 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2338 "scsa2usb_scsi_bus_unconfig: op=%d", op); 2339 2340 if (scsa2usb_scsi_bus_config_debug) { 2341 flag |= NDI_DEVI_DEBUG; 2342 } 2343 2344 /* 2345 * first offline and if offlining successful, then 2346 * remove children 2347 */ 2348 if (op == BUS_UNCONFIG_ALL) { 2349 flag &= ~(NDI_DEVI_REMOVE | NDI_UNCONFIG); 2350 } 2351 2352 ndi_devi_enter(dip, &circular_count); 2353 rval = ndi_busop_bus_unconfig(dip, flag, op, arg); 2354 2355 /* 2356 * If unconfig is successful and not part of modunload 2357 * daemon, attempt to remove children. 2358 */ 2359 if (op == BUS_UNCONFIG_ALL && rval == NDI_SUCCESS && 2360 (flag & NDI_AUTODETACH) == 0) { 2361 flag |= NDI_DEVI_REMOVE; 2362 rval = ndi_busop_bus_unconfig(dip, flag, op, arg); 2363 } 2364 ndi_devi_exit(dip, circular_count); 2365 2366 if ((rval != NDI_SUCCESS) && (op == BUS_UNCONFIG_ALL) && 2367 (save_flag & NDI_DEVI_REMOVE)) { 2368 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2369 if (scsa2usbp->scsa2usb_warning_given != B_TRUE) { 2370 USB_DPRINTF_L0(DPRINT_MASK_SCSA, 2371 scsa2usbp->scsa2usb_log_handle, 2372 "Disconnected device was busy, " 2373 "please reconnect."); 2374 scsa2usbp->scsa2usb_warning_given = B_TRUE; 2375 } 2376 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2377 } 2378 2379 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2380 "scsa2usb_scsi_bus_unconfig: rval=%d", rval); 2381 2382 return (rval); 2383 } 2384 2385 2386 /* 2387 * scsa2usb_scsi_init_pkt: 2388 * Set up the scsi_pkt for transport. Also initialize 2389 * scsa2usb_cmd struct for the transport. 2390 * NOTE: We do not do any DMA setup here as USBA framework 2391 * does that for us. 2392 */ 2393 static struct scsi_pkt * 2394 scsa2usb_scsi_init_pkt(struct scsi_address *ap, 2395 struct scsi_pkt *pkt, struct buf *bp, int cmdlen, int statuslen, 2396 int tgtlen, int flags, int (*callback)(), caddr_t arg) 2397 { 2398 scsa2usb_cmd_t *cmd; 2399 scsa2usb_state_t *scsa2usbp; 2400 struct scsi_pkt *in_pkt = pkt; 2401 2402 ASSERT(callback == NULL_FUNC || callback == SLEEP_FUNC); 2403 2404 scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2405 2406 /* Print sync message */ 2407 if (ddi_in_panic()) { 2408 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2409 SCSA2USB_PRINT_SYNC_MSG(scsa2usb_sync_message, scsa2usbp); 2410 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2411 /* continue so caller will not hang or complain */ 2412 } 2413 2414 /* allocate a pkt, if none already allocated */ 2415 if (pkt == NULL) { 2416 if (statuslen < sizeof (struct scsi_arq_status)) { 2417 statuslen = sizeof (struct scsi_arq_status); 2418 } 2419 2420 pkt = scsi_hba_pkt_alloc(scsa2usbp->scsa2usb_dip, ap, cmdlen, 2421 statuslen, tgtlen, sizeof (scsa2usb_cmd_t), 2422 callback, arg); 2423 if (pkt == NULL) { 2424 2425 return (NULL); 2426 } 2427 2428 cmd = PKT2CMD(pkt); 2429 cmd->cmd_pkt = pkt; /* back link to pkt */ 2430 cmd->cmd_scblen = statuslen; 2431 cmd->cmd_cdblen = (uchar_t)cmdlen; 2432 2433 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2434 cmd->cmd_tag = scsa2usbp->scsa2usb_tag++; 2435 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2436 2437 cmd->cmd_bp = bp; 2438 /* 2439 * The buffer size of cmd->cmd_scb is constrained 2440 * to sizeof (struct scsi_arq_status), if the scblen 2441 * is bigger than that, we use pkt->pkt_scbp directly. 2442 */ 2443 if (cmd->cmd_scblen == sizeof (struct scsi_arq_status)) { 2444 pkt->pkt_scbp = (opaque_t)&cmd->cmd_scb; 2445 } 2446 2447 usba_init_list(&cmd->cmd_waitQ, (usb_opaque_t)cmd, 2448 scsa2usbp->scsa2usb_dev_data->dev_iblock_cookie); 2449 } else { 2450 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2451 "scsa2usb: pkt != NULL"); 2452 2453 /* nothing to do */ 2454 } 2455 2456 if (bp && (bp->b_bcount != 0)) { 2457 if ((bp_mapin_common(bp, (callback == SLEEP_FUNC) ? 2458 VM_SLEEP : VM_NOSLEEP)) == NULL) { 2459 if (pkt != in_pkt) { 2460 scsi_hba_pkt_free(ap, pkt); 2461 } 2462 2463 return (NULL); 2464 } 2465 2466 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 2467 scsa2usbp->scsa2usb_log_handle, 2468 "scsa2usb_scsi_init_pkt: mapped in 0x%p, addr=0x%p", 2469 (void *)bp, (void *)bp->b_un.b_addr); 2470 } 2471 2472 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2473 "scsa2usb_scsi_init_pkt: ap = 0x%p pkt: 0x%p\n\t" 2474 "bp = 0x%p cmdlen = %x stlen = 0x%x tlen = 0x%x flags = 0x%x", 2475 (void *)ap, (void *)pkt, (void *)bp, cmdlen, statuslen, 2476 tgtlen, flags); 2477 2478 return (pkt); 2479 } 2480 2481 2482 /* 2483 * scsa2usb_scsi_destroy_pkt: 2484 * We are done with the packet. Get rid of it. 2485 */ 2486 static void 2487 scsa2usb_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2488 { 2489 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 2490 scsa2usb_state_t *scsa2usbp = ADDR2SCSA2USB(ap); 2491 2492 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2493 "scsa2usb_scsi_destroy_pkt: pkt=0x%p", (void *)pkt); 2494 2495 usba_destroy_list(&cmd->cmd_waitQ); 2496 scsi_hba_pkt_free(ap, pkt); 2497 } 2498 2499 2500 /* 2501 * scsa2usb_scsi_start: 2502 * For each command being issued, build up the CDB 2503 * and call scsi_transport to issue the command. This 2504 * function is based on the assumption that USB allows 2505 * a subset of SCSI commands. Other SCSI commands we fail. 2506 */ 2507 static int 2508 scsa2usb_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) 2509 { 2510 scsa2usb_cmd_t *cmd; 2511 scsa2usb_state_t *scsa2usbp = ADDR2SCSA2USB(ap); 2512 uint_t lun = ap->a_lun; 2513 2514 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2515 2516 cmd = PKT2CMD(pkt); 2517 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2518 "scsa2usb_scsi_start:\n\t" 2519 "bp: 0x%p ap: 0x%p pkt: 0x%p flag: 0x%x time: 0x%x\n\tcdb0: 0x%x " 2520 "dev_state: 0x%x pkt_state: 0x%x flags: 0x%x pipe_state: 0x%x", 2521 (void *)cmd->cmd_bp, (void *)ap, (void *)pkt, pkt->pkt_flags, 2522 pkt->pkt_time, pkt->pkt_cdbp[0], scsa2usbp->scsa2usb_dev_state, 2523 scsa2usbp->scsa2usb_pkt_state, scsa2usbp->scsa2usb_flags, 2524 scsa2usbp->scsa2usb_pipe_state); 2525 2526 if (pkt->pkt_time == 0) { 2527 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2528 "pkt submitted with 0 timeout which may cause indefinite " 2529 "hangs"); 2530 } 2531 2532 /* 2533 * if we are in panic, we are in polled mode, so we can just 2534 * accept the request, drop it and return 2535 * if we fail this request, the rest of the file systems do not 2536 * get synced 2537 */ 2538 if (ddi_in_panic()) { 2539 extern int do_polled_io; 2540 2541 ASSERT(do_polled_io); 2542 scsa2usb_prepare_pkt(scsa2usbp, pkt); 2543 SCSA2USB_PRINT_SYNC_MSG(scsa2usb_sync_message, scsa2usbp); 2544 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2545 2546 return (TRAN_ACCEPT); 2547 } 2548 2549 /* we cannot do polling, this should not happen */ 2550 if (pkt->pkt_flags & FLAG_NOINTR) { 2551 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2552 "NOINTR packet: opcode = 0%x", pkt->pkt_cdbp[0]); 2553 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2554 2555 return (TRAN_BADPKT); 2556 } 2557 2558 /* is there a ugen open? */ 2559 if (scsa2usbp->scsa2usb_ugen_open_count) { 2560 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2561 "ugen access in progress (count=%d)", 2562 scsa2usbp->scsa2usb_ugen_open_count); 2563 2564 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2565 2566 return (TRAN_BUSY); 2567 } 2568 2569 /* prepare packet */ 2570 scsa2usb_prepare_pkt(scsa2usbp, pkt); 2571 2572 /* just queue up the requests in the waitQ if below max */ 2573 if (usba_list_entry_count(&scsa2usbp->scsa2usb_waitQ[lun]) > 2574 SCSA2USB_MAX_REQ_PER_LUN) { 2575 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 2576 scsa2usbp->scsa2usb_log_handle, 2577 "scsa2usb_scsi_start: limit (%d) exceeded", 2578 SCSA2USB_MAX_REQ_PER_LUN); 2579 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2580 2581 return (TRAN_BUSY); 2582 } 2583 2584 usba_add_to_list(&scsa2usbp->scsa2usb_waitQ[lun], &cmd->cmd_waitQ); 2585 2586 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2587 "scsa2usb_work_thread_id=0x%p, count=%d, lun=%d", 2588 (void *)scsa2usbp->scsa2usb_work_thread_id, 2589 usba_list_entry_count(&scsa2usbp->scsa2usb_waitQ[lun]), lun); 2590 2591 /* fire up a thread to start executing the protocol */ 2592 if (scsa2usbp->scsa2usb_work_thread_id == 0) { 2593 if ((usb_async_req(scsa2usbp->scsa2usb_dip, 2594 scsa2usb_work_thread, 2595 (void *)scsa2usbp, USB_FLAGS_SLEEP)) != USB_SUCCESS) { 2596 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 2597 scsa2usbp->scsa2usb_log_handle, 2598 "no work thread started"); 2599 2600 if (usba_rm_from_list( 2601 &scsa2usbp->scsa2usb_waitQ[lun], 2602 &cmd->cmd_waitQ) == USB_SUCCESS) { 2603 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2604 2605 return (TRAN_BUSY); 2606 } else { 2607 2608 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2609 2610 return (TRAN_ACCEPT); 2611 } 2612 } 2613 scsa2usbp->scsa2usb_work_thread_id = (kthread_t *)1; 2614 } 2615 2616 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2617 2618 return (TRAN_ACCEPT); 2619 } 2620 2621 2622 /* 2623 * scsa2usb_scsi_abort: 2624 * Issue SCSI abort command. This function is a NOP. 2625 */ 2626 /* ARGSUSED */ 2627 static int 2628 scsa2usb_scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt) 2629 { 2630 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2631 2632 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2633 "scsa2usb_scsi_abort: pkt = %p", (void *)pkt); 2634 2635 /* if device is disconnected (ie. pipes closed), fail immediately */ 2636 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2637 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 2638 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2639 2640 return (0); 2641 } 2642 2643 /* flush waitQ if target and lun match */ 2644 if ((ap->a_target == pkt->pkt_address.a_target) && 2645 (ap->a_lun == pkt->pkt_address.a_lun)) { 2646 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2647 scsa2usb_flush_waitQ(scsa2usbp, ap->a_lun, CMD_ABORTED); 2648 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2649 } 2650 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2651 2652 return (0); 2653 } 2654 2655 2656 /* 2657 * scsa2usb_scsi_reset: 2658 * device reset may turn the device into a brick and bus reset 2659 * is not applicable. 2660 * just flush the waitQ 2661 * We return success, always. 2662 */ 2663 /* ARGSUSED */ 2664 static int 2665 scsa2usb_scsi_reset(struct scsi_address *ap, int level) 2666 { 2667 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2668 2669 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2670 "scsa2usb_scsi_reset: ap = 0x%p, level = %d", (void *)ap, level); 2671 2672 /* flush waitQ */ 2673 scsa2usb_flush_waitQ(scsa2usbp, ap->a_lun, CMD_RESET); 2674 2675 return (1); 2676 } 2677 2678 2679 /* 2680 * scsa2usb_scsi_getcap: 2681 * Get SCSI capabilities. 2682 */ 2683 /* ARGSUSED */ 2684 static int 2685 scsa2usb_scsi_getcap(struct scsi_address *ap, char *cap, int whom) 2686 { 2687 int rval = -1; 2688 uint_t cidx; 2689 size_t dev_bsize_cap; 2690 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2691 ASSERT(scsa2usbp); 2692 2693 if (cap == NULL) { 2694 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2695 "scsa2usb_scsi_getcap: invalid arg, " 2696 "cap = 0x%p whom = %d", (void *)cap, whom); 2697 2698 return (rval); 2699 } 2700 2701 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2702 "scsa2usb_scsi_getcap: cap = %s", cap); 2703 2704 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2705 2706 /* if device is disconnected (ie. pipes closed), fail immediately */ 2707 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 2708 2709 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2710 2711 return (rval); 2712 } 2713 2714 cidx = scsi_hba_lookup_capstr(cap); 2715 switch (cidx) { 2716 case SCSI_CAP_GEOMETRY: 2717 dev_bsize_cap = scsa2usbp->scsa2usb_totalsec[ap->a_lun]; 2718 2719 if (scsa2usbp->scsa2usb_secsz[ap->a_lun] > DEV_BSIZE) { 2720 dev_bsize_cap *= 2721 scsa2usbp->scsa2usb_secsz[ap->a_lun] / DEV_BSIZE; 2722 } else if (scsa2usbp->scsa2usb_secsz[ap->a_lun] < 2723 DEV_BSIZE) { 2724 dev_bsize_cap /= 2725 DEV_BSIZE / scsa2usbp->scsa2usb_secsz[ap->a_lun]; 2726 } 2727 2728 if (dev_bsize_cap < 65536 * 2 * 18) { /* < ~1GB */ 2729 /* unlabeled floppy, 18k per cylinder */ 2730 rval = ((2 << 16) | 18); 2731 } else if (dev_bsize_cap < 65536 * 64 * 32) { /* < 64GB */ 2732 /* 1024k per cylinder */ 2733 rval = ((64 << 16) | 32); 2734 } else if (dev_bsize_cap < 65536 * 255 * 63) { /* < ~500GB */ 2735 /* ~8m per cylinder */ 2736 rval = ((255 << 16) | 63); 2737 } else { /* .. 8TB */ 2738 /* 64m per cylinder */ 2739 rval = ((512 << 16) | 256); 2740 } 2741 break; 2742 2743 case SCSI_CAP_DMA_MAX: 2744 rval = scsa2usbp->scsa2usb_max_bulk_xfer_size; 2745 break; 2746 case SCSI_CAP_SCSI_VERSION: 2747 rval = SCSI_VERSION_2; 2748 break; 2749 case SCSI_CAP_INTERCONNECT_TYPE: 2750 rval = INTERCONNECT_USB; 2751 break; 2752 case SCSI_CAP_ARQ: 2753 /* FALLTHRU */ 2754 case SCSI_CAP_UNTAGGED_QING: 2755 rval = 1; 2756 break; 2757 default: 2758 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2759 "scsa2usb_scsi_getcap: unsupported cap = %s", cap); 2760 break; 2761 } 2762 2763 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2764 "scsa2usb_scsi_getcap: cap = %s, returned = %d", cap, rval); 2765 2766 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2767 2768 return (rval); 2769 } 2770 2771 2772 /* 2773 * scsa2usb_scsi_setcap: 2774 * Set SCSI capabilities. 2775 */ 2776 /* ARGSUSED */ 2777 static int 2778 scsa2usb_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom) 2779 { 2780 int rval = -1; /* default is cap undefined */ 2781 uint_t cidx; 2782 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2783 ASSERT(scsa2usbp); 2784 2785 if (cap == NULL || whom == 0) { 2786 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2787 "scsa2usb_scsi_setcap: invalid arg"); 2788 2789 return (rval); 2790 } 2791 2792 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2793 /* if device is disconnected (ie. pipes closed), fail immediately */ 2794 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 2795 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2796 2797 return (rval); 2798 } 2799 2800 cidx = scsi_hba_lookup_capstr(cap); 2801 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2802 "scsa2usb_scsi_setcap: ap = 0x%p value = 0x%x whom = 0x%x " 2803 "cidx = 0x%x", (void *)ap, value, whom, cidx); 2804 2805 switch (cidx) { 2806 case SCSI_CAP_SECTOR_SIZE: 2807 if (value) { 2808 scsa2usbp->scsa2usb_secsz[ap->a_lun] = value; 2809 } 2810 break; 2811 case SCSI_CAP_TOTAL_SECTORS: 2812 if (value) { 2813 scsa2usbp->scsa2usb_totalsec[ap->a_lun] = value; 2814 } 2815 break; 2816 case SCSI_CAP_ARQ: 2817 rval = 1; 2818 break; 2819 case SCSI_CAP_DMA_MAX: 2820 case SCSI_CAP_SCSI_VERSION: 2821 case SCSI_CAP_INTERCONNECT_TYPE: 2822 case SCSI_CAP_UNTAGGED_QING: 2823 /* supported but not settable */ 2824 rval = 0; 2825 break; 2826 default: 2827 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2828 "scsa2usb_scsi_setcap: unsupported cap = %s", cap); 2829 break; 2830 } 2831 2832 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2833 2834 return (rval); 2835 } 2836 2837 2838 /* 2839 * scsa2usb - cmd and transport stuff 2840 */ 2841 /* 2842 * scsa2usb_prepare_pkt: 2843 * initialize some fields of the pkt and cmd 2844 * (the pkt may have been resubmitted/retried) 2845 */ 2846 static void 2847 scsa2usb_prepare_pkt(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt) 2848 { 2849 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 2850 2851 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2852 "scsa2usb_prepare_pkt: pkt=0x%p cdb: 0x%x (%s)", 2853 (void *)pkt, pkt->pkt_cdbp[0], 2854 scsi_cname(pkt->pkt_cdbp[0], scsa2usb_cmds)); 2855 2856 pkt->pkt_reason = CMD_CMPLT; /* Set reason to pkt_complete */ 2857 pkt->pkt_state = 0; /* Reset next three fields */ 2858 pkt->pkt_statistics = 0; 2859 pkt->pkt_resid = 0; 2860 bzero(pkt->pkt_scbp, cmd->cmd_scblen); /* Set status to good */ 2861 2862 if (cmd) { 2863 cmd->cmd_timeout = pkt->pkt_time; 2864 cmd->cmd_xfercount = 0; /* Reset the fields */ 2865 cmd->cmd_total_xfercount = 0; 2866 cmd->cmd_lba = 0; 2867 cmd->cmd_done = 0; 2868 cmd->cmd_dir = 0; 2869 cmd->cmd_offset = 0; 2870 cmd->cmd_actual_len = cmd->cmd_cdblen; 2871 } 2872 } 2873 2874 2875 /* 2876 * scsa2usb_force_invalid_request 2877 */ 2878 static void 2879 scsa2usb_force_invalid_request(scsa2usb_state_t *scsa2usbp, 2880 scsa2usb_cmd_t *cmd) 2881 { 2882 struct scsi_arq_status *arqp; 2883 2884 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2885 "scsa2usb_force_invalid_request: pkt = 0x%p", (void *)cmd->cmd_pkt); 2886 2887 if (cmd->cmd_scblen >= sizeof (struct scsi_arq_status)) { 2888 arqp = (struct scsi_arq_status *)cmd->cmd_pkt->pkt_scbp; 2889 bzero(arqp, cmd->cmd_scblen); 2890 2891 arqp->sts_status.sts_chk = 1; 2892 arqp->sts_rqpkt_reason = CMD_CMPLT; 2893 arqp->sts_rqpkt_state = STATE_XFERRED_DATA | 2894 STATE_GOT_BUS | STATE_GOT_STATUS; 2895 arqp->sts_sensedata.es_valid = 1; 2896 arqp->sts_sensedata.es_class = 7; 2897 arqp->sts_sensedata.es_key = KEY_ILLEGAL_REQUEST; 2898 2899 cmd->cmd_pkt->pkt_state = STATE_ARQ_DONE | 2900 STATE_GOT_BUS | STATE_GOT_BUS | STATE_GOT_BUS | 2901 STATE_GOT_STATUS; 2902 #ifdef DEBUG 2903 { 2904 uchar_t *p = (uchar_t *)(&arqp->sts_sensedata); 2905 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 2906 scsa2usbp->scsa2usb_log_handle, 2907 "cdb: %x rqsense: " 2908 "%x %x %x %x %x %x %x %x %x %x " 2909 "%x %x %x %x %x %x %x %x %x %x", 2910 cmd->cmd_pkt->pkt_cdbp[0], 2911 p[0], p[1], p[2], p[3], p[4], 2912 p[5], p[6], p[7], p[8], p[9], 2913 p[10], p[11], p[12], p[13], p[14], 2914 p[15], p[16], p[17], p[18], p[19]); 2915 } 2916 #endif 2917 2918 } 2919 } 2920 2921 2922 /* 2923 * scsa2usb_cmd_transport: 2924 */ 2925 static int 2926 scsa2usb_cmd_transport(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd) 2927 { 2928 int rval, transport; 2929 struct scsi_pkt *pkt; 2930 2931 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2932 "scsa2usb_cmd_transport: pkt: 0x%p, cur_pkt = 0x%p", 2933 (void *)cmd->cmd_pkt, (void *)scsa2usbp->scsa2usb_cur_pkt); 2934 2935 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 2936 ASSERT(scsa2usbp->scsa2usb_cur_pkt == NULL); 2937 2938 pkt = scsa2usbp->scsa2usb_cur_pkt = cmd->cmd_pkt; 2939 2940 /* check black-listed attrs first */ 2941 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) { 2942 transport = scsa2usb_check_bulkonly_blacklist_attrs(scsa2usbp, 2943 cmd, pkt->pkt_cdbp[0]); 2944 } else if (SCSA2USB_IS_CB(scsa2usbp) || SCSA2USB_IS_CBI(scsa2usbp)) { 2945 transport = scsa2usb_check_ufi_blacklist_attrs(scsa2usbp, 2946 pkt->pkt_cdbp[0], cmd); 2947 } 2948 2949 /* just accept the command */ 2950 if (transport == SCSA2USB_JUST_ACCEPT) { 2951 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 2952 2953 return (TRAN_ACCEPT); 2954 } 2955 2956 /* check command set next */ 2957 if (SCSA2USB_IS_SCSI_CMDSET(scsa2usbp) || 2958 SCSA2USB_IS_ATAPI_CMDSET(scsa2usbp)) { 2959 transport = 2960 scsa2usb_handle_scsi_cmd_sub_class(scsa2usbp, cmd, pkt); 2961 } else if (SCSA2USB_IS_UFI_CMDSET(scsa2usbp)) { 2962 transport = 2963 scsa2usb_handle_ufi_subclass_cmd(scsa2usbp, cmd, pkt); 2964 } else { 2965 transport = SCSA2USB_REJECT; 2966 } 2967 2968 switch (transport) { 2969 case SCSA2USB_TRANSPORT: 2970 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) { 2971 rval = scsa2usb_bulk_only_transport(scsa2usbp, cmd); 2972 } else if (SCSA2USB_IS_CB(scsa2usbp) || 2973 SCSA2USB_IS_CBI(scsa2usbp)) { 2974 rval = scsa2usb_cbi_transport(scsa2usbp, cmd); 2975 } else { 2976 rval = TRAN_FATAL_ERROR; 2977 } 2978 break; 2979 case SCSA2USB_JUST_ACCEPT: 2980 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 2981 rval = TRAN_ACCEPT; 2982 break; 2983 default: 2984 rval = TRAN_FATAL_ERROR; 2985 } 2986 2987 return (rval); 2988 } 2989 2990 2991 /* 2992 * scsa2usb_check_bulkonly_blacklist_attrs: 2993 * validate "scsa2usb_blacklist_attrs" (see scsa2usb.h) 2994 * if blacklisted attrs match accept the request 2995 * attributes checked are:- 2996 * SCSA2USB_ATTRS_START_STOP 2997 */ 2998 int 2999 scsa2usb_check_bulkonly_blacklist_attrs(scsa2usb_state_t *scsa2usbp, 3000 scsa2usb_cmd_t *cmd, uchar_t opcode) 3001 { 3002 struct scsi_inquiry *inq = 3003 &scsa2usbp->scsa2usb_lun_inquiry[cmd->cmd_pkt->pkt_address.a_lun]; 3004 3005 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3006 "scsa2usb_check_bulkonly_blacklist_attrs: opcode = %s", 3007 scsi_cname(opcode, scsa2usb_cmds)); 3008 3009 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3010 3011 /* 3012 * decode and convert the packet 3013 * for most cmds, we can bcopy the cdb 3014 */ 3015 switch (opcode) { 3016 case SCMD_DOORLOCK: 3017 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_DOORLOCK)) { 3018 3019 return (SCSA2USB_JUST_ACCEPT); 3020 3021 /* 3022 * only lock the door for CD and DVD drives 3023 */ 3024 } else if ((inq->inq_dtype == DTYPE_RODIRECT) || 3025 (inq->inq_dtype == DTYPE_OPTICAL)) { 3026 3027 if (inq->inq_rmb) { 3028 3029 break; 3030 } 3031 } 3032 3033 return (SCSA2USB_JUST_ACCEPT); 3034 3035 case SCMD_START_STOP: 3036 /* 3037 * these devices don't have mechanics that spin the 3038 * media up and down. So, it doesn't make much sense 3039 * to issue this cmd. 3040 * 3041 * Furthermore, Hagiwara devices do not handle these 3042 * cmds well. just accept this command as success. 3043 */ 3044 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_START_STOP)) { 3045 3046 return (SCSA2USB_JUST_ACCEPT); 3047 3048 } else if (cmd->cmd_pkt->pkt_cdbp[4] & LOEJECT) { 3049 /* 3050 * if the device is really a removable then 3051 * pass it on to the device, else just accept 3052 */ 3053 if (inq->inq_rmb) { 3054 3055 break; 3056 } 3057 3058 return (SCSA2USB_JUST_ACCEPT); 3059 3060 } else if (!scsa2usbp->scsa2usb_rcvd_not_ready) { 3061 /* 3062 * if we have not received a NOT READY condition, 3063 * just accept since some device choke on this too. 3064 * we do have to let EJECT get through though 3065 */ 3066 return (SCSA2USB_JUST_ACCEPT); 3067 } 3068 3069 break; 3070 case SCMD_INQUIRY: 3071 /* 3072 * Some devices do not handle the inquiry cmd well 3073 * so build an inquiry and accept this command as 3074 * success. 3075 */ 3076 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_INQUIRY)) { 3077 uchar_t evpd = 0x01; 3078 3079 if (cmd->cmd_cdb[1] & evpd) { 3080 3081 return (SCSA2USB_REJECT); 3082 } 3083 cmd->cmd_pkt->pkt_resid -= 3084 scsa2usb_fake_inquiry(scsa2usbp, cmd, 3085 cmd->cmd_pkt->pkt_address.a_lun); 3086 cmd->cmd_pkt->pkt_state |= STATE_XFERRED_DATA; 3087 3088 return (SCSA2USB_JUST_ACCEPT); 3089 } 3090 break; 3091 3092 /* 3093 * Fake accepting the following Opcodes 3094 * (as most drives don't support these) 3095 * These are needed by format command. 3096 */ 3097 case SCMD_RESERVE: 3098 case SCMD_RELEASE: 3099 case SCMD_PERSISTENT_RESERVE_IN: 3100 case SCMD_PERSISTENT_RESERVE_OUT: 3101 3102 return (SCSA2USB_JUST_ACCEPT); 3103 3104 case SCMD_MODE_SENSE: 3105 case SCMD_MODE_SELECT: 3106 case SCMD_MODE_SENSE_G1: 3107 case SCMD_MODE_SELECT_G1: 3108 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_MODE_SENSE)) { 3109 if (cmd->cmd_bp) { 3110 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp-> 3111 b_bcount; 3112 } 3113 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3114 3115 return (SCSA2USB_JUST_ACCEPT); 3116 } 3117 3118 break; 3119 default: 3120 3121 break; 3122 } 3123 3124 return (SCSA2USB_TRANSPORT); 3125 } 3126 3127 3128 /* 3129 * scsa2usb_handle_scsi_cmd_sub_class: 3130 * prepare a scsi cmd 3131 * returns SCSA2USB_TRANSPORT, SCSA2USB_REJECT, SCSA2USB_JUST_ACCEPT 3132 */ 3133 int 3134 scsa2usb_handle_scsi_cmd_sub_class(scsa2usb_state_t *scsa2usbp, 3135 scsa2usb_cmd_t *cmd, struct scsi_pkt *pkt) 3136 { 3137 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3138 "scsa2usb_handle_scsi_cmd_sub_class: cmd = 0x%p pkt = 0x%p", 3139 (void *)cmd, (void *)pkt); 3140 3141 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3142 3143 bzero(&cmd->cmd_cdb, SCSI_CDB_SIZE); 3144 cmd->cmd_cdb[SCSA2USB_OPCODE] = pkt->pkt_cdbp[0]; /* Set the opcode */ 3145 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1]; 3146 3147 /* 3148 * decode and convert the packet 3149 * for most cmds, we can bcopy the cdb 3150 */ 3151 switch (pkt->pkt_cdbp[0]) { 3152 case SCMD_FORMAT: 3153 /* 3154 * SCMD_FORMAT used to limit cmd->cmd_xfercount 3155 * to 4 bytes, but this hangs 3156 * formatting dvd media using cdrecord (that is, 3157 * a SCSI FORMAT UNIT command with a parameter list > 4 bytes) 3158 * (bit 4 in cdb1 is the Fmtdata bit) 3159 */ 3160 if ((pkt->pkt_cdbp[1] & 0x10) && cmd->cmd_bp) { 3161 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount; 3162 } else { 3163 cmd->cmd_xfercount = 4; 3164 } 3165 cmd->cmd_dir = CBW_DIR_OUT; 3166 cmd->cmd_actual_len = CDB_GROUP0; 3167 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3168 break; 3169 3170 case SCMD_INQUIRY: 3171 cmd->cmd_dir = CBW_DIR_IN; 3172 cmd->cmd_actual_len = CDB_GROUP0; 3173 cmd->cmd_cdb[SCSA2USB_LBA_0] = pkt->pkt_cdbp[2]; 3174 cmd->cmd_cdb[SCSA2USB_LBA_2] = cmd->cmd_xfercount = 3175 min(SCSA2USB_MAX_INQ_LEN, 3176 cmd->cmd_bp ? cmd->cmd_bp->b_bcount : 0); 3177 break; 3178 3179 case SCMD_READ_CAPACITY: 3180 cmd->cmd_dir = CBW_DIR_IN; 3181 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3182 cmd->cmd_xfercount = sizeof (scsa2usb_read_cap_t); 3183 break; 3184 3185 /* 3186 * SCMD_READ/SCMD_WRITE are converted to G1 cmds 3187 * (as ATAPI devices don't recognize G0 commands) 3188 * 3189 * SCMD_READ_LONG/SCMD_WRITE_LONG are handled in 3190 * scsa2usb_rw_transport() along with other commands. 3191 * 3192 * USB Host Controllers cannot handle large (read/write) 3193 * xfers. We split the large request to chunks of 3194 * smaller ones to meet the HCD limitations. 3195 */ 3196 case SCMD_READ: 3197 case SCMD_WRITE: 3198 case SCMD_READ_G1: 3199 case SCMD_WRITE_G1: 3200 case SCMD_READ_G5: 3201 case SCMD_WRITE_G5: 3202 case SCMD_READ_LONG: 3203 case SCMD_WRITE_LONG: 3204 case SCMD_READ_CD: 3205 switch (scsa2usbp-> 3206 scsa2usb_lun_inquiry[pkt->pkt_address.a_lun]. 3207 inq_dtype & DTYPE_MASK) { 3208 case DTYPE_DIRECT: 3209 case DTYPE_RODIRECT: 3210 case DTYPE_OPTICAL: 3211 return (scsa2usb_rw_transport( 3212 scsa2usbp, pkt)); 3213 default: 3214 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3215 if (cmd->cmd_bp) { 3216 cmd->cmd_dir = 3217 (cmd->cmd_bp->b_flags & B_READ) ? 3218 CBW_DIR_IN : CBW_DIR_OUT; 3219 cmd->cmd_xfercount = 3220 cmd->cmd_bp->b_bcount; 3221 } 3222 break; 3223 } 3224 break; 3225 3226 case SCMD_REQUEST_SENSE: 3227 cmd->cmd_dir = CBW_DIR_IN; 3228 cmd->cmd_xfercount = pkt->pkt_cdbp[4]; 3229 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4]; 3230 cmd->cmd_actual_len = CDB_GROUP0; 3231 break; 3232 3233 case SCMD_DOORLOCK: 3234 case SCMD_START_STOP: 3235 case SCMD_TEST_UNIT_READY: 3236 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3237 break; 3238 3239 /* 3240 * Needed by zip protocol to reset the device 3241 */ 3242 case SCMD_SDIAG: 3243 case SCMD_REZERO_UNIT: 3244 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3245 cmd->cmd_actual_len = CDB_GROUP1; 3246 break; 3247 3248 case SCMD_WRITE_VERIFY: 3249 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3250 cmd->cmd_dir = CBW_DIR_OUT; 3251 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3252 cmd->cmd_actual_len = CDB_GROUP1; 3253 break; 3254 3255 /* 3256 * Next command does not have a SCSI equivalent as 3257 * it is vendor specific. 3258 * It was listed in the vendor's ATAPI Zip specs. 3259 */ 3260 case SCMD_READ_FORMAT_CAP: 3261 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3262 cmd->cmd_dir = CBW_DIR_IN; 3263 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3264 cmd->cmd_actual_len = CDB_GROUP1; 3265 break; 3266 case IOMEGA_CMD_CARTRIDGE_PROTECT: 3267 cmd->cmd_dir = CBW_DIR_OUT; 3268 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4]; 3269 cmd->cmd_cdb[SCSA2USB_LBA_2] &= ~1; /* Make it even */ 3270 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1]; 3271 cmd->cmd_actual_len = CDB_GROUP0; 3272 cmd->cmd_xfercount = pkt->pkt_cdbp[4]; /* Length of password */ 3273 break; 3274 3275 /* 3276 * Do not convert SCMD_MODE_SENSE/SELECT to G1 cmds because 3277 * the mode header is different as well. USB devices don't 3278 * support 0x03 & 0x04 mode pages, which are already obsoleted 3279 * by SPC-2 specification. 3280 */ 3281 case SCMD_MODE_SENSE: 3282 case SCMD_MODE_SELECT: 3283 if ((pkt->pkt_cdbp[2] == SD_MODE_SENSE_PAGE3_CODE) || 3284 (pkt->pkt_cdbp[2] == SD_MODE_SENSE_PAGE4_CODE)) { 3285 if (cmd->cmd_bp) { 3286 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->b_bcount; 3287 } 3288 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3289 return (SCSA2USB_JUST_ACCEPT); 3290 } 3291 /* FALLTHROUGH */ 3292 3293 default: 3294 /* 3295 * an unknown command may be a uscsi cmd which we 3296 * should let go thru without mapping 3297 */ 3298 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3299 if (cmd->cmd_bp) { 3300 cmd->cmd_dir = (cmd->cmd_bp->b_flags & B_READ) ? 3301 CBW_DIR_IN : CBW_DIR_OUT; 3302 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount; 3303 } 3304 3305 break; 3306 } /* end of switch */ 3307 3308 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3309 "scsa2usb_handle_scsi_cmd_sub_class: opcode = 0x%x count = 0x%lx", 3310 pkt->pkt_cdbp[SCSA2USB_OPCODE], cmd->cmd_xfercount); 3311 3312 cmd->cmd_total_xfercount = cmd->cmd_xfercount; 3313 3314 return (SCSA2USB_TRANSPORT); 3315 } 3316 3317 3318 /* 3319 * scsa2usb_do_tur is performed before READ CAPACITY command is issued. 3320 * It returns media status, 0 for media ready, -1 for media not ready 3321 * or other errors. 3322 */ 3323 static int 3324 scsa2usb_do_tur(scsa2usb_state_t *scsa2usbp, struct scsi_address *ap) 3325 { 3326 struct scsi_pkt *pkt; 3327 scsa2usb_cmd_t *turcmd; 3328 int rval = -1; 3329 3330 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3331 "scsa2usb_do_tur:"); 3332 3333 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3334 3335 mutex_exit(&scsa2usbp->scsa2usb_mutex); 3336 if ((pkt = scsi_init_pkt(ap, NULL, NULL, CDB_GROUP0, 1, 3337 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL)) == NULL) { 3338 mutex_enter(&scsa2usbp->scsa2usb_mutex); 3339 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 3340 scsa2usbp->scsa2usb_log_handle, 3341 "scsa2usb_do_tur: init pkt failed"); 3342 3343 return (rval); 3344 } 3345 3346 RQ_MAKECOM_G0(pkt, FLAG_HEAD | FLAG_NODISCON, 3347 (char)SCMD_TEST_UNIT_READY, 0, 0); 3348 3349 pkt->pkt_comp = NULL; 3350 pkt->pkt_time = PKT_DEFAULT_TIMEOUT; 3351 turcmd = PKT2CMD(pkt); 3352 3353 mutex_enter(&scsa2usbp->scsa2usb_mutex); 3354 scsa2usb_prepare_pkt(scsa2usbp, turcmd->cmd_pkt); 3355 3356 if (scsa2usb_cmd_transport(scsa2usbp, turcmd) != TRAN_ACCEPT) { 3357 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 3358 scsa2usbp->scsa2usb_log_handle, 3359 "scsa2usb_do_tur: cmd transport failed, " 3360 "pkt_reason=0x%x", turcmd->cmd_pkt->pkt_reason); 3361 } else if (*(turcmd->cmd_pkt->pkt_scbp) != STATUS_GOOD) { 3362 /* 3363 * Theoretically, the sense data should be retrieved and 3364 * sense key be checked when check condition happens. If 3365 * the sense key is UNIT ATTENTION, TEST UNIT READY cmd 3366 * needs to be sent again to clear the UNIT ATTENTION and 3367 * another TUR to be sent to get the real media status. 3368 * But the AMI virtual floppy device simply cannot recover 3369 * from UNIT ATTENTION by re-sending a TUR cmd, so it 3370 * doesn't make any difference whether to check sense key 3371 * or not. Just ignore sense key checking here and assume 3372 * the device is NOT READY. 3373 */ 3374 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 3375 scsa2usbp->scsa2usb_log_handle, 3376 "scsa2usb_do_tur: media not ready"); 3377 } else { 3378 rval = 0; 3379 } 3380 3381 mutex_exit(&scsa2usbp->scsa2usb_mutex); 3382 scsi_destroy_pkt(pkt); 3383 mutex_enter(&scsa2usbp->scsa2usb_mutex); 3384 3385 return (rval); 3386 } 3387 3388 3389 /* 3390 * scsa2usb_check_ufi_blacklist_attrs: 3391 * validate "scsa2usb_blacklist_attrs" (see scsa2usb.h) 3392 * if blacklisted attrs match accept the request 3393 * attributes checked are:- 3394 * SCSA2USB_ATTRS_GET_CONF 3395 * SCSA2USB_ATTRS_GET_PERF 3396 * SCSA2USB_ATTRS_GET_START_STOP 3397 */ 3398 static int 3399 scsa2usb_check_ufi_blacklist_attrs(scsa2usb_state_t *scsa2usbp, uchar_t opcode, 3400 scsa2usb_cmd_t *cmd) 3401 { 3402 int rval = SCSA2USB_TRANSPORT; 3403 3404 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3405 3406 switch (opcode) { 3407 case SCMD_PRIN: 3408 case SCMD_PROUT: 3409 rval = SCSA2USB_JUST_ACCEPT; 3410 break; 3411 case SCMD_MODE_SENSE: 3412 case SCMD_MODE_SELECT: 3413 if (cmd->cmd_bp) { 3414 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->b_bcount; 3415 } 3416 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3417 rval = SCSA2USB_JUST_ACCEPT; 3418 break; 3419 case SCMD_GET_CONFIGURATION: 3420 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_CONF)) { 3421 rval = SCSA2USB_JUST_ACCEPT; 3422 } 3423 break; 3424 case SCMD_GET_PERFORMANCE: 3425 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_PERF)) { 3426 rval = SCSA2USB_JUST_ACCEPT; 3427 } 3428 break; 3429 case SCMD_START_STOP: 3430 /* 3431 * some CB/CBI devices don't have mechanics that spin the 3432 * media up and down. So, it doesn't make much sense 3433 * to issue this cmd to those devices. 3434 */ 3435 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_START_STOP)) { 3436 rval = SCSA2USB_JUST_ACCEPT; 3437 } 3438 break; 3439 case SCMD_READ_CAPACITY: 3440 /* 3441 * Some devices don't support READ CAPACITY command 3442 * when media is not ready. Need to check media status 3443 * before issuing the cmd to such device. 3444 */ 3445 if (!(scsa2usbp->scsa2usb_attrs & 3446 SCSA2USB_ATTRS_NO_MEDIA_CHECK)) { 3447 struct scsi_pkt *pkt = cmd->cmd_pkt; 3448 3449 ASSERT(scsa2usbp->scsa2usb_cur_pkt == pkt); 3450 scsa2usbp->scsa2usb_cur_pkt = NULL; 3451 3452 if (scsa2usb_do_tur(scsa2usbp, 3453 &pkt->pkt_address) != 0) { 3454 /* media not ready, force cmd invalid */ 3455 if (cmd->cmd_bp) { 3456 cmd->cmd_pkt->pkt_resid = 3457 cmd->cmd_bp->b_bcount; 3458 } 3459 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3460 rval = SCSA2USB_JUST_ACCEPT; 3461 } 3462 3463 scsa2usbp->scsa2usb_cur_pkt = pkt; 3464 } 3465 break; 3466 default: 3467 break; 3468 } 3469 3470 return (rval); 3471 } 3472 3473 3474 /* 3475 * scsa2usb_handle_ufi_subclass_cmd: 3476 * prepare a UFI cmd 3477 * returns SCSA2USB_TRANSPORT, SCSA2USB_REJECT 3478 */ 3479 int 3480 scsa2usb_handle_ufi_subclass_cmd(scsa2usb_state_t *scsa2usbp, 3481 scsa2usb_cmd_t *cmd, struct scsi_pkt *pkt) 3482 { 3483 uchar_t opcode = pkt->pkt_cdbp[0]; 3484 3485 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3486 "scsa2usb_handle_ufi_subclass_cmd: cmd = 0x%p pkt = 0x%p", 3487 (void *)cmd, (void *)pkt); 3488 3489 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3490 3491 bzero(&cmd->cmd_cdb, SCSI_CDB_SIZE); 3492 cmd->cmd_cdb[SCSA2USB_OPCODE] = opcode; /* Set the opcode */ 3493 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1]; 3494 3495 /* 3496 * decode and convert the packet if necessary 3497 * for most cmds, we can bcopy the cdb 3498 */ 3499 switch (opcode) { 3500 case SCMD_FORMAT: 3501 /* if parameter list is specified */ 3502 if (pkt->pkt_cdbp[1] & 0x10) { 3503 cmd->cmd_xfercount = 3504 (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3505 cmd->cmd_dir = USB_EP_DIR_OUT; 3506 cmd->cmd_actual_len = CDB_GROUP5; 3507 } 3508 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3509 break; 3510 case SCMD_INQUIRY: 3511 cmd->cmd_dir = USB_EP_DIR_IN; 3512 cmd->cmd_actual_len = CDB_GROUP0; 3513 cmd->cmd_cdb[SCSA2USB_LBA_0] = pkt->pkt_cdbp[2]; 3514 cmd->cmd_cdb[SCSA2USB_LBA_2] = cmd->cmd_xfercount = 3515 min(SCSA2USB_MAX_INQ_LEN, 3516 cmd->cmd_bp ? cmd->cmd_bp->b_bcount : 0); 3517 break; 3518 case SCMD_READ_CAPACITY: 3519 cmd->cmd_dir = USB_EP_DIR_IN; 3520 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3521 cmd->cmd_xfercount = sizeof (scsa2usb_read_cap_t); 3522 break; 3523 case SCMD_REQUEST_SENSE: 3524 cmd->cmd_dir = USB_EP_DIR_IN; 3525 cmd->cmd_xfercount = pkt->pkt_cdbp[4]; 3526 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4]; 3527 cmd->cmd_actual_len = CDB_GROUP0; 3528 break; 3529 3530 /* 3531 * do not convert SCMD_MODE_SENSE/SELECT because the 3532 * mode header is different as well 3533 */ 3534 3535 /* 3536 * see usb_bulkonly.c for comments on the next set of commands 3537 */ 3538 case SCMD_READ: 3539 case SCMD_WRITE: 3540 case SCMD_READ_G1: 3541 case SCMD_WRITE_G1: 3542 case SCMD_READ_G5: 3543 case SCMD_WRITE_G5: 3544 case SCMD_READ_LONG: 3545 case SCMD_WRITE_LONG: 3546 case SCMD_READ_CD: 3547 3548 return (scsa2usb_rw_transport(scsa2usbp, pkt)); 3549 3550 case SCMD_TEST_UNIT_READY: 3551 /* 3552 * Some CB/CBI devices may not support TUR. 3553 */ 3554 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3555 break; 3556 case SCMD_READ_FORMAT_CAP: 3557 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3558 cmd->cmd_dir = USB_EP_DIR_IN; 3559 cmd->cmd_actual_len = CDB_GROUP1; 3560 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3561 break; 3562 case SCMD_WRITE_VERIFY: 3563 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3564 cmd->cmd_dir = USB_EP_DIR_OUT; 3565 cmd->cmd_actual_len = CDB_GROUP1; 3566 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3567 break; 3568 case SCMD_START_STOP: 3569 /* A larger timeout is needed for 'flaky' CD-RW devices */ 3570 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_BIG_TIMEOUT)) { 3571 cmd->cmd_timeout = max(cmd->cmd_timeout, 3572 20 * SCSA2USB_BULK_PIPE_TIMEOUT); 3573 } 3574 /* FALLTHRU */ 3575 default: 3576 /* 3577 * all other commands don't need special mapping 3578 */ 3579 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3580 if (cmd->cmd_bp) { 3581 cmd->cmd_dir = (cmd->cmd_bp->b_flags & B_READ) ? 3582 CBW_DIR_IN : CBW_DIR_OUT; 3583 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount; 3584 } 3585 break; 3586 3587 } /* end of switch */ 3588 3589 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3590 "scsa2usb_handle_ufi_subclass_cmd: opcode = 0x%x count = 0x%lx", 3591 opcode, cmd->cmd_xfercount); 3592 3593 cmd->cmd_total_xfercount = cmd->cmd_xfercount; 3594 3595 return (SCSA2USB_TRANSPORT); 3596 } 3597 3598 3599 /* 3600 * scsa2usb_rw_transport: 3601 * Handle splitting READ and WRITE requests to the 3602 * device to a size that the host controller allows. 3603 * 3604 * returns TRAN_* values and not USB_SUCCESS/FAILURE 3605 * 3606 * To support CD-R/CD-RW/DVD media, we need to support a 3607 * variety of block sizes for the different types of CD 3608 * data (audio, data, video, CD-XA, yellowbook, redbook etc.) 3609 * 3610 * Some of the block sizes used are:- 512, 1k, 2k, 2056, 2336 3611 * 2340, 2352, 2368, 2448, 2646, 2647 etc. 3612 * 3613 * NOTE: the driver could be entertaining a SCSI CDB that uses 3614 * any of the above listed block sizes at a given time, and a 3615 * totally different block size at any other given time for a 3616 * different CDB. 3617 * 3618 * We need to compute block size every time and figure out 3619 * matching LBA and LEN accordingly. 3620 * 3621 * Also UHCI has a limitation that it can only xfer 32k at a 3622 * given time. So, with "odd" sized blocks and a limitation of 3623 * how much we can xfer per shot, we need to compute xfer_count 3624 * as well each time. 3625 * 3626 * The same computation is also done in the function 3627 * scsa2usb_setup_next_xfer(). To save computing block_size in 3628 * this function, I am saving block_size in "cmd" now. 3629 */ 3630 int 3631 scsa2usb_rw_transport(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt) 3632 { 3633 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 3634 int lba, dir, opcode; 3635 struct buf *bp = cmd->cmd_bp; 3636 size_t len, xfer_count; 3637 size_t blk_size; /* calculate the block size to be used */ 3638 int sz; 3639 3640 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3641 "scsa2usb_rw_transport:"); 3642 3643 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3644 3645 opcode = pkt->pkt_cdbp[0]; 3646 blk_size = scsa2usbp->scsa2usb_lbasize[pkt->pkt_address.a_lun]; 3647 /* set to default */ 3648 3649 switch (opcode) { 3650 case SCMD_READ: 3651 /* 3652 * Note that READ/WRITE(6) are not supported by the drive. 3653 * convert it into a 10 byte read/write. 3654 */ 3655 lba = SCSA2USB_LBA_6BYTE(pkt); 3656 len = SCSA2USB_LEN_6BYTE(pkt); 3657 opcode = SCMD_READ_G1; /* Overwrite it w/ byte 10 cmd val */ 3658 dir = USB_EP_DIR_IN; 3659 break; 3660 case SCMD_WRITE: 3661 lba = SCSA2USB_LBA_6BYTE(pkt); 3662 len = SCSA2USB_LEN_6BYTE(pkt); 3663 opcode = SCMD_WRITE_G1; /* Overwrite it w/ byte 10 cmd val */ 3664 dir = USB_EP_DIR_OUT; 3665 break; 3666 case SCMD_READ_G1: 3667 case SCMD_READ_LONG: 3668 lba = SCSA2USB_LBA_10BYTE(pkt); 3669 len = SCSA2USB_LEN_10BYTE(pkt); 3670 dir = USB_EP_DIR_IN; 3671 break; 3672 case SCMD_WRITE_G1: 3673 case SCMD_WRITE_LONG: 3674 lba = SCSA2USB_LBA_10BYTE(pkt); 3675 len = SCSA2USB_LEN_10BYTE(pkt); 3676 dir = USB_EP_DIR_OUT; 3677 if (len) { 3678 sz = SCSA2USB_CDRW_BLKSZ(bp ? bp->b_bcount : 0, len); 3679 if (SCSA2USB_VALID_CDRW_BLKSZ(sz)) { 3680 blk_size = sz; /* change it accordingly */ 3681 } 3682 } 3683 break; 3684 case SCMD_READ_CD: 3685 lba = SCSA2USB_LBA_10BYTE(pkt); 3686 len = SCSA2USB_LEN_READ_CD(pkt); 3687 dir = USB_EP_DIR_IN; 3688 3689 /* Figure out the block size */ 3690 blk_size = scsa2usb_read_cd_blk_size(pkt->pkt_cdbp[1] >> 2); 3691 break; 3692 case SCMD_READ_G5: 3693 lba = SCSA2USB_LBA_12BYTE(pkt); 3694 len = SCSA2USB_LEN_12BYTE(pkt); 3695 dir = USB_EP_DIR_IN; 3696 break; 3697 case SCMD_WRITE_G5: 3698 lba = SCSA2USB_LBA_12BYTE(pkt); 3699 len = SCSA2USB_LEN_12BYTE(pkt); 3700 dir = USB_EP_DIR_OUT; 3701 break; 3702 } 3703 3704 cmd->cmd_total_xfercount = xfer_count = len * blk_size; 3705 3706 /* reduce xfer count if necessary */ 3707 if (blk_size && 3708 (xfer_count > scsa2usbp->scsa2usb_max_bulk_xfer_size)) { 3709 /* 3710 * For CD-RW devices reduce the xfer count based 3711 * on the block size used by these devices. The 3712 * block size could change for READ_CD and WRITE 3713 * opcodes. 3714 * 3715 * Also as UHCI allows a max xfer of 32k at a time; 3716 * compute the xfer_count based on the new block_size. 3717 * 3718 * The len part of the cdb changes as a result of that. 3719 */ 3720 if (SCSA2USB_VALID_CDRW_BLKSZ(blk_size)) { 3721 xfer_count = ((scsa2usbp->scsa2usb_max_bulk_xfer_size/ 3722 blk_size) * blk_size); 3723 len = xfer_count/blk_size; 3724 xfer_count = blk_size * len; 3725 } else { 3726 xfer_count = scsa2usbp->scsa2usb_max_bulk_xfer_size; 3727 len = xfer_count/blk_size; 3728 } 3729 } 3730 3731 cmd->cmd_xfercount = xfer_count; 3732 cmd->cmd_dir = (uchar_t)dir; 3733 cmd->cmd_blksize = blk_size; 3734 3735 /* 3736 * Having figure out the 'partial' xfer len based on he 3737 * block size; fill it in to the cmd->cmd_cdb 3738 */ 3739 cmd->cmd_cdb[SCSA2USB_OPCODE] = (uchar_t)opcode; 3740 switch (opcode) { 3741 case SCMD_READ_CD: 3742 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3743 scsa2usb_fill_up_ReadCD_cdb_len(cmd, len, CDB_GROUP5); 3744 break; 3745 case SCMD_WRITE_G5: 3746 case SCMD_READ_G5: 3747 scsa2usb_fill_up_12byte_cdb_len(cmd, len, CDB_GROUP5); 3748 break; 3749 default: 3750 scsa2usb_fill_up_cdb_len(cmd, len); 3751 cmd->cmd_actual_len = CDB_GROUP1; 3752 break; 3753 } 3754 3755 scsa2usb_fill_up_cdb_lba(cmd, lba); 3756 3757 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3758 "bcount=0x%lx lba=0x%x len=0x%lx xfercount=0x%lx total=0x%lx", 3759 bp ? bp->b_bcount : 0, lba, len, cmd->cmd_xfercount, 3760 cmd->cmd_total_xfercount); 3761 3762 /* Set the timeout value as per command request */ 3763 if ((opcode == SCMD_WRITE_G1) && SCSA2USB_VALID_CDRW_BLKSZ(blk_size)) { 3764 /* 3765 * We increase the time as CD-RW writes have two things 3766 * to do. After writing out the data to the media, a 3767 * TOC needs to be filled up at the beginning of the media 3768 * This is when the write gets "finalized". 3769 * Hence the actual write could take longer than the 3770 * value specified in cmd->cmd_timeout. 3771 */ 3772 cmd->cmd_timeout *= 4; 3773 3774 USB_DPRINTF_L4(DPRINT_MASK_SCSA, 3775 scsa2usbp->scsa2usb_log_handle, 3776 "new timeout value = 0x%x", cmd->cmd_timeout); 3777 } 3778 3779 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3780 "lba 0x%x len 0x%lx xfercount 0x%lx total 0x%lx", 3781 lba, len, cmd->cmd_xfercount, cmd->cmd_total_xfercount); 3782 3783 return (SCSA2USB_TRANSPORT); 3784 } 3785 3786 3787 /* 3788 * scsa2usb_setup_next_xfer: 3789 * For READs and WRITEs we split up the transfer in terms of 3790 * HCD understood units. This function handles the split transfers. 3791 * 3792 * See comments in the previous function scsa2usb_rw_transport 3793 * 3794 * The lba computation was being done based on scsa2usb_max_bulk_xfer_size 3795 * earlier. With CD-RW devices, the xfer_count and the block_size may 3796 * no longer be a multiple of scsa2usb_max_bulk_xfer_size. So compute 3797 * xfer_count all over again. Adjust lba, based on the previous requests' 3798 * len. Find out the len and add it to cmd->cmd_lba to get the new lba 3799 */ 3800 void 3801 scsa2usb_setup_next_xfer(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd) 3802 { 3803 int xfer_len = min(scsa2usbp->scsa2usb_max_bulk_xfer_size, 3804 cmd->cmd_total_xfercount); 3805 int cdb_len; 3806 size_t blk_size; 3807 3808 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3809 3810 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3811 "scsa2usb_setup_next_xfer: opcode = 0x%x lba = 0x%x " 3812 "total count = 0x%lx", cmd->cmd_cdb[SCSA2USB_OPCODE], 3813 cmd->cmd_lba, cmd->cmd_total_xfercount); 3814 3815 ASSERT(cmd->cmd_total_xfercount > 0); 3816 cmd->cmd_xfercount = xfer_len; 3817 blk_size = scsa2usbp->scsa2usb_lbasize[ 3818 cmd->cmd_pkt->pkt_address.a_lun]; 3819 3820 /* 3821 * For CD-RW devices reduce the xfer count based on the 3822 * block_size used by these devices. See changes below 3823 * where xfer_count is being adjusted. 3824 * 3825 * Also adjust len/lba based on the block_size and xfer_count. 3826 * NOTE: Always calculate lba first, as it based on previous 3827 * commands' values. 3828 */ 3829 switch (cmd->cmd_cdb[SCSA2USB_OPCODE]) { 3830 case SCMD_READ_CD: 3831 /* calculate lba = current_lba + len_of_prev_cmd */ 3832 cmd->cmd_lba += (cmd->cmd_cdb[6] << 16) + 3833 (cmd->cmd_cdb[7] << 8) + cmd->cmd_cdb[8]; 3834 cdb_len = xfer_len/cmd->cmd_blksize; 3835 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_2] = (uchar_t)cdb_len; 3836 /* re-adjust xfer count */ 3837 cmd->cmd_xfercount = cdb_len * cmd->cmd_blksize; 3838 break; 3839 case SCMD_WRITE_G5: 3840 case SCMD_READ_G5: 3841 /* calculate lba = current_lba + len_of_prev_cmd */ 3842 cmd->cmd_lba += (cmd->cmd_cdb[6] << 24) + 3843 (cmd->cmd_cdb[7] << 16) + (cmd->cmd_cdb[8] << 8) + 3844 cmd->cmd_cdb[9]; 3845 if (blk_size) { 3846 xfer_len /= blk_size; 3847 } 3848 scsa2usb_fill_up_12byte_cdb_len(cmd, xfer_len, CDB_GROUP5); 3849 break; 3850 case SCMD_WRITE_G1: 3851 case SCMD_WRITE_LONG: 3852 /* calculate lba = current_lba + len_of_prev_cmd */ 3853 cmd->cmd_lba += (cmd->cmd_cdb[7] << 8) + cmd->cmd_cdb[8]; 3854 if (SCSA2USB_VALID_CDRW_BLKSZ(cmd->cmd_blksize)) { 3855 blk_size = cmd->cmd_blksize; 3856 } 3857 cdb_len = xfer_len/blk_size; 3858 scsa2usb_fill_up_cdb_len(cmd, cdb_len); 3859 /* re-adjust xfer count */ 3860 cmd->cmd_xfercount = cdb_len * blk_size; 3861 break; 3862 default: 3863 if (blk_size) { 3864 xfer_len /= blk_size; 3865 } 3866 scsa2usb_fill_up_cdb_len(cmd, xfer_len); 3867 cmd->cmd_lba += scsa2usbp->scsa2usb_max_bulk_xfer_size/blk_size; 3868 } 3869 3870 /* fill in the lba */ 3871 scsa2usb_fill_up_cdb_lba(cmd, cmd->cmd_lba); 3872 3873 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3874 "scsa2usb_setup_next_xfer:\n\tlba = 0x%x xfer_len = 0x%x " 3875 "xfercount = 0x%lx total = 0x%lx", cmd->cmd_lba, xfer_len, 3876 cmd->cmd_xfercount, cmd->cmd_total_xfercount); 3877 } 3878 3879 3880 /* 3881 * take one request from the lun's waitQ and transport it 3882 */ 3883 static void 3884 scsa2usb_transport_request(scsa2usb_state_t *scsa2usbp, uint_t lun) 3885 { 3886 int rval; 3887 struct scsi_pkt *pkt; 3888 struct scsa2usb_cmd *cmd, *arqcmd; 3889 3890 if ((cmd = (scsa2usb_cmd_t *) 3891 usba_rm_first_pvt_from_list( 3892 &scsa2usbp->scsa2usb_waitQ[lun])) == NULL) { 3893 3894 return; 3895 } 3896 pkt = cmd->cmd_pkt; 3897 3898 /* 3899 * if device has been disconnected, just complete it 3900 */ 3901 if (scsa2usbp->scsa2usb_dev_state == USB_DEV_DISCONNECTED) { 3902 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3903 "device not accessible"); 3904 pkt->pkt_reason = CMD_DEV_GONE; 3905 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 3906 scsa2usb_pkt_completion(scsa2usbp, pkt); 3907 3908 return; 3909 } 3910 3911 USB_DPRINTF_L4(DPRINT_MASK_SCSA, 3912 scsa2usbp->scsa2usb_log_handle, 3913 "scsa2usb_transport_request: cmd=0x%p bp=0x%p addr=0x%p", 3914 (void *)cmd, (void *)cmd->cmd_bp, 3915 (void *)(cmd->cmd_bp ? cmd->cmd_bp->b_un.b_addr : NULL)); 3916 3917 rval = scsa2usb_cmd_transport(scsa2usbp, cmd); 3918 3919 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 3920 scsa2usbp->scsa2usb_log_handle, 3921 "scsa2usb_transport_request: transport rval = %d", 3922 rval); 3923 3924 if (scsa2usbp->scsa2usb_cur_pkt == NULL) { 3925 3926 return; 3927 } 3928 3929 ASSERT(pkt == scsa2usbp->scsa2usb_cur_pkt); 3930 3931 if (ddi_in_panic()) { 3932 pkt->pkt_reason = CMD_CMPLT; 3933 scsa2usb_pkt_completion(scsa2usbp, pkt); 3934 3935 return; 3936 } 3937 3938 /* 3939 * start an auto-request sense iff 3940 * there was a check condition, we have enough 3941 * space in the status block, and we have not 3942 * faked an auto request sense 3943 */ 3944 if ((*(pkt->pkt_scbp) == STATUS_CHECK) && 3945 (cmd->cmd_scblen >= sizeof (struct scsi_arq_status)) && 3946 ((pkt->pkt_state & STATE_ARQ_DONE) == 0) && 3947 (scsa2usb_create_arq_pkt(scsa2usbp, 3948 &pkt->pkt_address) == USB_SUCCESS)) { 3949 arqcmd = scsa2usbp->scsa2usb_arq_cmd; 3950 3951 /* 3952 * copy the timeout from the 3953 * original packet 3954 * for lack of a better value 3955 */ 3956 arqcmd->cmd_pkt->pkt_time = pkt->pkt_time; 3957 scsa2usb_prepare_pkt(scsa2usbp, 3958 arqcmd->cmd_pkt); 3959 3960 scsa2usbp->scsa2usb_cur_pkt = NULL; 3961 if (scsa2usb_cmd_transport( 3962 scsa2usbp, arqcmd) == TRAN_ACCEPT) { 3963 3964 /* finish w/ this packet */ 3965 scsa2usb_complete_arq_pkt( 3966 scsa2usbp, arqcmd->cmd_pkt, cmd, 3967 scsa2usbp->scsa2usb_arq_bp); 3968 3969 /* 3970 * we have valid request sense 3971 * data so clear the pkt_reason 3972 */ 3973 pkt->pkt_reason = CMD_CMPLT; 3974 } 3975 scsa2usbp->scsa2usb_cur_pkt = pkt; 3976 scsa2usb_delete_arq_pkt(scsa2usbp); 3977 } 3978 3979 if ((rval != TRAN_ACCEPT) && 3980 (pkt->pkt_reason == CMD_CMPLT)) { 3981 pkt->pkt_reason = CMD_TRAN_ERR; 3982 } 3983 3984 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 3985 scsa2usb_pkt_completion(scsa2usbp, pkt); 3986 3987 ASSERT(scsa2usbp->scsa2usb_cur_pkt == NULL); 3988 } 3989 3990 3991 /* 3992 * scsa2usb_work_thread: 3993 * The taskq thread that kicks off the transport (BO and CB/CBI) 3994 */ 3995 static void 3996 scsa2usb_work_thread(void *arg) 3997 { 3998 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)arg; 3999 uint_t lun; 4000 uint_t count; 4001 4002 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4003 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4004 "scsa2usb_work_thread start: thread_id=0x%p", 4005 (void *)scsa2usbp->scsa2usb_work_thread_id); 4006 4007 ASSERT(scsa2usbp->scsa2usb_work_thread_id == (kthread_t *)1); 4008 scsa2usbp->scsa2usb_work_thread_id = curthread; 4009 4010 /* exclude ugen accesses */ 4011 while (scsa2usbp->scsa2usb_transport_busy) { 4012 cv_wait(&scsa2usbp->scsa2usb_transport_busy_cv, 4013 &scsa2usbp->scsa2usb_mutex); 4014 } 4015 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0); 4016 scsa2usbp->scsa2usb_transport_busy++; 4017 scsa2usbp->scsa2usb_busy_thread = curthread; 4018 4019 scsa2usb_raise_power(scsa2usbp); 4020 4021 /* reopen the pipes if necessary */ 4022 (void) scsa2usb_open_usb_pipes(scsa2usbp); 4023 4024 for (;;) { 4025 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0); 4026 for (lun = 0; lun < scsa2usbp->scsa2usb_n_luns; lun++) { 4027 scsa2usb_transport_request(scsa2usbp, lun); 4028 } 4029 count = 0; 4030 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 4031 count += usba_list_entry_count( 4032 &scsa2usbp->scsa2usb_waitQ[lun]); 4033 } 4034 4035 if (count == 0) { 4036 4037 break; 4038 } 4039 } 4040 4041 scsa2usbp->scsa2usb_work_thread_id = 0; 4042 4043 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0); 4044 4045 scsa2usbp->scsa2usb_transport_busy--; 4046 scsa2usbp->scsa2usb_busy_thread = NULL; 4047 cv_signal(&scsa2usbp->scsa2usb_transport_busy_cv); 4048 4049 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4050 "scsa2usb_work_thread: exit"); 4051 4052 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4053 4054 scsa2usb_pm_idle_component(scsa2usbp); 4055 } 4056 4057 4058 /* 4059 * scsa2usb_flush_waitQ: 4060 * empties the entire waitQ with errors asap. 4061 * 4062 * It is called from scsa2usb_scsi_reset and scsa2usb_panic_callb. 4063 * If the device is reset; we should empty the waitQ right away. 4064 * If the system has paniced; we should empty the waitQ right away. 4065 * 4066 * CPR suspend will only succeed if device is idle. No need to call 4067 * this function for CPR suspend case. 4068 */ 4069 static void 4070 scsa2usb_flush_waitQ(scsa2usb_state_t *scsa2usbp, uint_t lun, 4071 uchar_t error) 4072 { 4073 struct scsi_pkt *pkt; 4074 struct scsa2usb_cmd *cmd; 4075 usba_list_entry_t head; 4076 4077 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4078 4079 usba_move_list(&scsa2usbp->scsa2usb_waitQ[lun], &head, 4080 scsa2usbp->scsa2usb_dev_data->dev_iblock_cookie); 4081 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4082 4083 while ((cmd = (scsa2usb_cmd_t *)usba_rm_first_pvt_from_list(&head)) != 4084 NULL) { 4085 pkt = cmd->cmd_pkt; 4086 pkt->pkt_reason = error; /* set error */ 4087 4088 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4089 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_DO_COMP; 4090 scsa2usb_pkt_completion(scsa2usbp, pkt); 4091 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4092 } /* end of while */ 4093 } 4094 4095 4096 /* 4097 * scsa2usb_do_inquiry is performed before INIT CHILD and we have 4098 * to fake a few things normally done by SCSA 4099 */ 4100 static void 4101 scsa2usb_do_inquiry(scsa2usb_state_t *scsa2usbp, uint_t target, uint_t lun) 4102 { 4103 struct buf *bp; 4104 struct scsi_pkt *pkt; 4105 struct scsi_address ap; 4106 int len = SCSA2USB_MAX_INQ_LEN; 4107 4108 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4109 "scsa2usb_do_inquiry: %d bytes", len); 4110 4111 /* is it inquiry-challenged? */ 4112 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_INQUIRY)) { 4113 (void) scsa2usb_fake_inquiry(scsa2usbp, NULL, lun); 4114 4115 return; 4116 } 4117 4118 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4119 4120 bzero(&ap, sizeof (struct scsi_address)); 4121 ap.a_hba_tran = scsa2usbp->scsa2usb_tran; 4122 ap.a_target = target; 4123 ap.a_lun = lun; 4124 4125 /* limit inquiry to 36 bytes */ 4126 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4127 if ((bp = scsi_alloc_consistent_buf(&ap, (struct buf *)NULL, 4128 len, B_READ, SLEEP_FUNC, NULL)) == NULL) { 4129 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4130 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4131 scsa2usbp->scsa2usb_log_handle, 4132 "scsa2usb_do_inquiry: failed"); 4133 4134 return; 4135 } 4136 4137 pkt = scsi_init_pkt(&ap, NULL, bp, CDB_GROUP0, 1, 4138 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL); 4139 4140 RQ_MAKECOM_G0(pkt, FLAG_NOINTR, (char)SCMD_INQUIRY, 0, len); 4141 4142 pkt->pkt_comp = NULL; 4143 pkt->pkt_time = 5; 4144 bzero(bp->b_un.b_addr, len); 4145 4146 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4147 "scsa2usb_do_inquiry:INQUIRY"); 4148 4149 (void) scsi_transport(pkt); 4150 4151 if (pkt->pkt_reason) { 4152 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4153 scsa2usbp->scsa2usb_log_handle, 4154 "INQUIRY failed, cannot determine device type, " 4155 "pkt_reason=0x%x", pkt->pkt_reason); 4156 4157 /* not much hope for other cmds, reduce */ 4158 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4159 scsa2usbp->scsa2usb_attrs &= 4160 ~SCSA2USB_ATTRS_REDUCED_CMD; 4161 (void) scsa2usb_fake_inquiry(scsa2usbp, NULL, lun); 4162 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4163 } 4164 4165 scsi_destroy_pkt(pkt); 4166 scsi_free_consistent_buf(bp); 4167 4168 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4169 } 4170 4171 4172 /* 4173 * scsa2usb_fake_inquiry: 4174 * build an inquiry for a given device that doesnt like inquiry 4175 * commands. 4176 */ 4177 static int 4178 scsa2usb_fake_inquiry(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd, 4179 uint_t lun) 4180 { 4181 usb_client_dev_data_t *dev_data = scsa2usbp->scsa2usb_dev_data; 4182 struct scsi_inquiry *inqp; 4183 int len; 4184 4185 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4186 "scsa2usb_fake_inquiry:"); 4187 4188 if (cmd) { 4189 inqp = (struct scsi_inquiry *)cmd->cmd_bp->b_un.b_addr; 4190 } else { 4191 inqp = &scsa2usbp->scsa2usb_lun_inquiry[lun]; 4192 } 4193 bzero(inqp, sizeof (struct scsi_inquiry)); 4194 for (len = 0; len < sizeof (inqp->inq_vid); len++) { 4195 *(inqp->inq_vid + len) = ' '; 4196 } 4197 4198 for (len = 0; len < sizeof (inqp->inq_pid); len++) { 4199 *(inqp->inq_pid + len) = ' '; 4200 } 4201 4202 inqp->inq_dtype = DTYPE_DIRECT; 4203 inqp->inq_rmb = 1; 4204 inqp->inq_ansi = 2; 4205 inqp->inq_rdf = RDF_SCSI2; 4206 inqp->inq_len = sizeof (struct scsi_inquiry)-4; 4207 4208 /* Fill in the Vendor id/Product id strings */ 4209 if (dev_data->dev_mfg) { 4210 if ((len = strlen(dev_data->dev_mfg)) > 4211 sizeof (inqp->inq_vid)) { 4212 len = sizeof (inqp->inq_vid); 4213 } 4214 bcopy(dev_data->dev_mfg, inqp->inq_vid, len); 4215 } 4216 4217 if (dev_data->dev_product) { 4218 if ((len = strlen(dev_data->dev_product)) > 4219 sizeof (inqp->inq_pid)) { 4220 len = sizeof (inqp->inq_pid); 4221 } 4222 bcopy(dev_data->dev_product, inqp->inq_pid, len); 4223 } 4224 4225 /* Set the Revision to the Device */ 4226 inqp->inq_revision[0] = 0x30 + 4227 ((dev_data->dev_descr->bcdDevice>>12) & 0xF); 4228 inqp->inq_revision[1] = 0x30 + 4229 ((dev_data->dev_descr->bcdDevice>>8) & 0xF); 4230 inqp->inq_revision[2] = 0x30 + 4231 ((dev_data->dev_descr->bcdDevice>>4) & 0xF); 4232 inqp->inq_revision[3] = 0x30 + 4233 ((dev_data->dev_descr->bcdDevice) & 0xF); 4234 4235 /* Copy inquiry data in to soft state */ 4236 bcopy(inqp, &scsa2usbp->scsa2usb_lun_inquiry[lun], 4237 sizeof (struct scsi_inquiry)); 4238 4239 return (sizeof (struct scsi_inquiry)); 4240 } 4241 4242 4243 /* 4244 * scsa2usb_create_arq_pkt: 4245 * Create and ARQ packet to get request sense data 4246 */ 4247 static int 4248 scsa2usb_create_arq_pkt(scsa2usb_state_t *scsa2usbp, struct scsi_address *ap) 4249 { 4250 struct buf *bp; 4251 scsa2usb_cmd_t *arq_cmd; 4252 4253 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4254 "scsa2usb_create_arq_pkt: scsa2usbp: %p, ap: %p", 4255 (void *)scsa2usbp, (void *)ap); 4256 4257 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4258 4259 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4260 if ((bp = scsi_alloc_consistent_buf(ap, (struct buf *)NULL, 4261 SENSE_LENGTH, B_READ, SLEEP_FUNC, NULL)) == NULL) { 4262 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4263 4264 return (USB_FAILURE); 4265 } 4266 4267 arq_cmd = PKT2CMD(scsi_init_pkt(ap, NULL, bp, CDB_GROUP0, 1, 4268 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL)); 4269 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4270 4271 RQ_MAKECOM_G0(arq_cmd->cmd_pkt, 4272 FLAG_SENSING | FLAG_HEAD | FLAG_NODISCON, 4273 (char)SCMD_REQUEST_SENSE, 0, (char)SENSE_LENGTH); 4274 4275 arq_cmd->cmd_pkt->pkt_ha_private = arq_cmd; 4276 scsa2usbp->scsa2usb_arq_cmd = arq_cmd; 4277 scsa2usbp->scsa2usb_arq_bp = bp; 4278 arq_cmd->cmd_pkt->pkt_comp = NULL; 4279 bzero(bp->b_un.b_addr, SENSE_LENGTH); 4280 4281 return (USB_SUCCESS); 4282 } 4283 4284 4285 /* 4286 * scsa2usb_delete_arq_pkt: 4287 * Destroy the ARQ packet 4288 */ 4289 static void 4290 scsa2usb_delete_arq_pkt(scsa2usb_state_t *scsa2usbp) 4291 { 4292 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4293 "scsa2usb_delete_arq_pkt: cmd: 0x%p", 4294 (void *)scsa2usbp->scsa2usb_arq_cmd); 4295 4296 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4297 4298 if (scsa2usbp->scsa2usb_arq_cmd != NULL) { 4299 scsi_destroy_pkt(scsa2usbp->scsa2usb_arq_cmd->cmd_pkt); 4300 scsi_free_consistent_buf(scsa2usbp->scsa2usb_arq_bp); 4301 } 4302 scsa2usbp->scsa2usb_arq_cmd = NULL; 4303 scsa2usbp->scsa2usb_arq_bp = NULL; 4304 } 4305 4306 4307 /* 4308 * scsa2usb_complete_arq_pkt: 4309 * finish processing the arq packet 4310 */ 4311 static void 4312 scsa2usb_complete_arq_pkt(scsa2usb_state_t *scsa2usbp, 4313 struct scsi_pkt *pkt, scsa2usb_cmd_t *ssp, struct buf *bp) 4314 { 4315 scsa2usb_cmd_t *sp = pkt->pkt_ha_private; 4316 struct scsi_arq_status *arqp; 4317 4318 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4319 4320 arqp = (struct scsi_arq_status *)(ssp->cmd_pkt->pkt_scbp); 4321 arqp->sts_rqpkt_status = *((struct scsi_status *) 4322 (sp->cmd_pkt->pkt_scbp)); 4323 arqp->sts_rqpkt_reason = CMD_CMPLT; 4324 arqp->sts_rqpkt_state |= STATE_XFERRED_DATA; 4325 arqp->sts_rqpkt_statistics = arqp->sts_rqpkt_resid = 0; 4326 4327 /* is this meaningful sense data */ 4328 if (*(bp->b_un.b_addr) != 0) { 4329 bcopy(bp->b_un.b_addr, &arqp->sts_sensedata, SENSE_LENGTH); 4330 ssp->cmd_pkt->pkt_state |= STATE_ARQ_DONE; 4331 } 4332 4333 /* we will not sense start cmd until we receive a NOT READY */ 4334 if (arqp->sts_sensedata.es_key == KEY_NOT_READY) { 4335 scsa2usbp->scsa2usb_rcvd_not_ready = B_TRUE; 4336 } 4337 } 4338 4339 4340 /* 4341 * Miscellaneous functions for any command/transport 4342 */ 4343 /* 4344 * scsa2usb_open_usb_pipes: 4345 * set up a pipe policy 4346 * open usb bulk pipes (BO and CB/CBI) 4347 * open usb interrupt pipe (CBI) 4348 */ 4349 static int 4350 scsa2usb_open_usb_pipes(scsa2usb_state_t *scsa2usbp) 4351 { 4352 int rval; 4353 usb_pipe_policy_t policy; /* bulk pipe policy */ 4354 size_t sz; 4355 4356 ASSERT(scsa2usbp); 4357 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4358 4359 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4360 "scsa2usb_open_usb_pipes: dip = 0x%p flag = 0x%x", 4361 (void *)scsa2usbp->scsa2usb_dip, scsa2usbp->scsa2usb_flags); 4362 4363 if (!(scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_PIPES_OPENED)) { 4364 4365 /* 4366 * one pipe policy for all bulk pipes 4367 */ 4368 bzero(&policy, sizeof (usb_pipe_policy_t)); 4369 /* at least 2, for the normal and exceptional callbacks */ 4370 policy.pp_max_async_reqs = 1; 4371 4372 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4373 "scsa2usb_open_usb_pipes: opening bulk pipes"); 4374 4375 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4376 4377 /* Open the USB bulk-in pipe */ 4378 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip, 4379 &scsa2usbp->scsa2usb_bulkin_ept, &policy, USB_FLAGS_SLEEP, 4380 &scsa2usbp->scsa2usb_bulkin_pipe)) != USB_SUCCESS) { 4381 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4382 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4383 scsa2usbp->scsa2usb_log_handle, 4384 "scsa2usb_open_usb_pipes: bulk/in pipe open " 4385 " failed rval = %d", rval); 4386 4387 return (USB_FAILURE); 4388 } 4389 4390 /* Open the bulk-out pipe using the same policy */ 4391 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip, 4392 &scsa2usbp->scsa2usb_bulkout_ept, &policy, USB_FLAGS_SLEEP, 4393 &scsa2usbp->scsa2usb_bulkout_pipe)) != USB_SUCCESS) { 4394 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4395 scsa2usbp->scsa2usb_bulkin_pipe, 4396 USB_FLAGS_SLEEP, NULL, NULL); 4397 4398 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4399 scsa2usbp->scsa2usb_bulkin_pipe = NULL; 4400 4401 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4402 scsa2usbp->scsa2usb_log_handle, 4403 "scsa2usb_open_usb_pipes: bulk/out pipe open" 4404 " failed rval = %d", rval); 4405 4406 return (USB_FAILURE); 4407 } 4408 4409 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4410 4411 /* open interrupt pipe for CBI protocol */ 4412 if (SCSA2USB_IS_CBI(scsa2usbp)) { 4413 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4414 4415 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip, 4416 &scsa2usbp->scsa2usb_intr_ept, &policy, 4417 USB_FLAGS_SLEEP, &scsa2usbp->scsa2usb_intr_pipe)) != 4418 USB_SUCCESS) { 4419 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4420 scsa2usbp->scsa2usb_bulkin_pipe, 4421 USB_FLAGS_SLEEP, NULL, NULL); 4422 4423 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4424 scsa2usbp->scsa2usb_bulkout_pipe, 4425 USB_FLAGS_SLEEP, NULL, NULL); 4426 4427 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4428 scsa2usbp->scsa2usb_bulkin_pipe = NULL; 4429 scsa2usbp->scsa2usb_bulkout_pipe = NULL; 4430 4431 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4432 scsa2usbp->scsa2usb_log_handle, 4433 "scsa2usb_open_usb_pipes: intr pipe open" 4434 " failed rval = %d", rval); 4435 4436 return (USB_FAILURE); 4437 } 4438 4439 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4440 } 4441 4442 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4443 4444 /* get the max transfer size of the bulk pipe */ 4445 if (usb_pipe_get_max_bulk_transfer_size(scsa2usbp->scsa2usb_dip, 4446 &sz) == USB_SUCCESS) { 4447 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4448 scsa2usbp->scsa2usb_max_bulk_xfer_size = sz; 4449 } else { 4450 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4451 scsa2usbp->scsa2usb_max_bulk_xfer_size = DEV_BSIZE; 4452 } 4453 4454 /* limit the xfer size */ 4455 scsa2usbp->scsa2usb_max_bulk_xfer_size = min( 4456 scsa2usbp->scsa2usb_max_bulk_xfer_size, 4457 scsa2usb_max_bulk_xfer_size); 4458 4459 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4460 "scsa2usb_open_usb_pipes: max bulk transfer size = %lx", 4461 scsa2usbp->scsa2usb_max_bulk_xfer_size); 4462 4463 /* Set the pipes opened flag */ 4464 scsa2usbp->scsa2usb_flags |= SCSA2USB_FLAGS_PIPES_OPENED; 4465 4466 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_NORMAL; 4467 4468 /* Set the state to NONE */ 4469 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE; 4470 } 4471 4472 return (USB_SUCCESS); 4473 } 4474 4475 4476 /* 4477 * scsa2usb_close_usb_pipes: 4478 * close all pipes synchronously 4479 */ 4480 void 4481 scsa2usb_close_usb_pipes(scsa2usb_state_t *scsa2usbp) 4482 { 4483 usb_flags_t flags = USB_FLAGS_SLEEP; 4484 4485 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4486 "scsa2usb_close_usb_pipes: scsa2usb_state = 0x%p", 4487 (void *)scsa2usbp); 4488 4489 ASSERT(scsa2usbp); 4490 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4491 4492 if ((scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_PIPES_OPENED) == 0) { 4493 4494 return; 4495 } 4496 4497 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_CLOSING; 4498 /* to avoid races, reset the flag first */ 4499 scsa2usbp->scsa2usb_flags &= ~SCSA2USB_FLAGS_PIPES_OPENED; 4500 4501 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4502 4503 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4504 scsa2usbp->scsa2usb_bulkout_pipe, flags, NULL, NULL); 4505 4506 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4507 scsa2usbp->scsa2usb_bulkin_pipe, flags, NULL, NULL); 4508 4509 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4510 if (SCSA2USB_IS_CBI(scsa2usbp)) { 4511 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4512 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4513 scsa2usbp->scsa2usb_intr_pipe, flags, NULL, NULL); 4514 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4515 } 4516 scsa2usbp->scsa2usb_bulkout_pipe = NULL; 4517 scsa2usbp->scsa2usb_bulkin_pipe = NULL; 4518 scsa2usbp->scsa2usb_intr_pipe = NULL; 4519 4520 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_NORMAL; 4521 } 4522 4523 4524 /* 4525 * scsa2usb_fill_up_cdb_lba: 4526 * fill up command CDBs' LBA part 4527 */ 4528 static void 4529 scsa2usb_fill_up_cdb_lba(scsa2usb_cmd_t *cmd, int lba) 4530 { 4531 /* zero cdb1, lba bits so they won't get copied in the new cdb */ 4532 cmd->cmd_cdb[SCSA2USB_LUN] &= 0xE0; 4533 cmd->cmd_cdb[SCSA2USB_LBA_0] = lba >> 24; 4534 cmd->cmd_cdb[SCSA2USB_LBA_1] = lba >> 16; 4535 cmd->cmd_cdb[SCSA2USB_LBA_2] = lba >> 8; 4536 cmd->cmd_cdb[SCSA2USB_LBA_3] = (uchar_t)lba; 4537 cmd->cmd_lba = lba; 4538 } 4539 4540 4541 /* 4542 * scsa2usb_fill_up_ReadCD_cdb_len: 4543 * fill up READ_CD command CDBs' len part 4544 */ 4545 static void 4546 scsa2usb_fill_up_ReadCD_cdb_len(scsa2usb_cmd_t *cmd, int len, int actual_len) 4547 { 4548 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_0] = len >> 16; 4549 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_1] = len >> 8; 4550 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_2] = (uchar_t)len; 4551 cmd->cmd_actual_len = (uchar_t)actual_len; 4552 } 4553 4554 4555 /* 4556 * scsa2usb_fill_up_12byte_cdb_len: 4557 * fill up generic 12-byte command CDBs' len part 4558 */ 4559 static void 4560 scsa2usb_fill_up_12byte_cdb_len(scsa2usb_cmd_t *cmd, int len, int actual_len) 4561 { 4562 cmd->cmd_cdb[6] = len >> 24; 4563 cmd->cmd_cdb[7] = len >> 16; 4564 cmd->cmd_cdb[8] = len >> 8; 4565 cmd->cmd_cdb[9] = (uchar_t)len; 4566 cmd->cmd_actual_len = (uchar_t)actual_len; 4567 } 4568 4569 4570 /* 4571 * scsa2usb_fill_up_cdb_len: 4572 * fill up generic 10-byte command CDBs' len part 4573 */ 4574 static void 4575 scsa2usb_fill_up_cdb_len(scsa2usb_cmd_t *cmd, int len) 4576 { 4577 cmd->cmd_cdb[SCSA2USB_LEN_0] = len >> 8; 4578 cmd->cmd_cdb[SCSA2USB_LEN_1] = (uchar_t)len; 4579 } 4580 4581 4582 /* 4583 * scsa2usb_read_cd_blk_size: 4584 * For SCMD_READ_CD opcode (0xbe). Figure out the 4585 * block size based on expected sector type field 4586 * definition. See MMC SCSI Specs section 6.1.15 4587 * 4588 * Based on the value of the "expected_sector_type" 4589 * field, the block size could be different. 4590 */ 4591 static int 4592 scsa2usb_read_cd_blk_size(uchar_t expected_sector_type) 4593 { 4594 int blk_size; 4595 4596 switch (expected_sector_type) { 4597 case READ_CD_EST_CDDA: 4598 blk_size = CDROM_BLK_2352; 4599 break; 4600 case READ_CD_EST_MODE2: 4601 blk_size = CDROM_BLK_2336; 4602 break; 4603 case READ_CD_EST_MODE2FORM2: 4604 blk_size = CDROM_BLK_2324; 4605 break; 4606 case READ_CD_EST_MODE2FORM1: 4607 case READ_CD_EST_ALLTYPE: 4608 case READ_CD_EST_MODE1: 4609 default: 4610 blk_size = CDROM_BLK_2048; 4611 } 4612 4613 USB_DPRINTF_L4(DPRINT_MASK_SCSA, NULL, "scsa2usb_read_cd_blk_size: " 4614 "est = 0x%x blk_size = %d", expected_sector_type, blk_size); 4615 4616 return (blk_size); 4617 } 4618 4619 4620 /* needed for esballoc_wait() */ 4621 /*ARGSUSED*/ 4622 static void 4623 scsa2usb_null_free(char *arg) 4624 { 4625 } 4626 4627 static frtn_t fr = { 4628 scsa2usb_null_free, 4629 NULL 4630 }; 4631 4632 4633 /* 4634 * scsa2usb_bp_to_mblk: 4635 * Convert a bp to mblk_t. USBA framework understands mblk_t. 4636 */ 4637 static mblk_t * 4638 scsa2usb_bp_to_mblk(scsa2usb_state_t *scsa2usbp) 4639 { 4640 size_t size; 4641 mblk_t *mp; 4642 struct buf *bp; 4643 scsa2usb_cmd_t *cmd = PKT2CMD(scsa2usbp->scsa2usb_cur_pkt); 4644 4645 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4646 "scsa2usb_bp_to_mblk: "); 4647 4648 ASSERT(scsa2usbp->scsa2usb_cur_pkt); 4649 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4650 4651 bp = cmd->cmd_bp; 4652 4653 if (bp && (bp->b_bcount > 0)) { 4654 size = ((bp->b_bcount > cmd->cmd_xfercount) ? 4655 cmd->cmd_xfercount : bp->b_bcount); 4656 } else { 4657 4658 return (NULL); 4659 } 4660 4661 mp = esballoc_wait((uchar_t *)bp->b_un.b_addr + cmd->cmd_offset, 4662 size, BPRI_LO, &fr); 4663 4664 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4665 "scsa2usb_bp_to_mblk: " 4666 "mp=0x%p bp=0x%p pkt=0x%p off=0x%lx sz=%lu add=0x%p", 4667 (void *)mp, (void *)bp, (void *)scsa2usbp->scsa2usb_cur_pkt, 4668 cmd->cmd_offset, bp->b_bcount - cmd->cmd_offset, 4669 (void *)bp->b_un.b_addr); 4670 4671 mp->b_wptr += size; 4672 cmd->cmd_offset += size; 4673 4674 return (mp); 4675 } 4676 4677 4678 /* 4679 * scsa2usb_handle_data_start: 4680 * Initiate the data xfer. It could be IN/OUT direction. 4681 * 4682 * Data IN: 4683 * Send out the bulk-xfer request 4684 * if rval implies STALL 4685 * clear endpoint stall and reset bulk-in pipe 4686 * handle data read in so far; set cmd->cmd_done 4687 * also adjust data xfer length accordingly 4688 * else other error 4689 * report back to transport 4690 * typically transport will call reset recovery 4691 * else (no error) 4692 * return success 4693 * 4694 * Data OUT: 4695 * Send out the bulk-xfer request 4696 * if rval implies STALL 4697 * clear endpoint stall and reset bulk-in pipe 4698 * adjust data xfer length 4699 * else other error 4700 * report back to transport 4701 * typically transport will call reset recovery 4702 * else (no error) 4703 * return success 4704 * 4705 * NOTE: We call this function only if there is xfercount. 4706 */ 4707 int 4708 scsa2usb_handle_data_start(scsa2usb_state_t *scsa2usbp, 4709 scsa2usb_cmd_t *cmd, usb_bulk_req_t *req) 4710 { 4711 int rval = USB_SUCCESS; 4712 uint_t ept_addr; 4713 usb_flags_t flags = USB_FLAGS_SLEEP; 4714 #ifdef SCSA2USB_BULK_ONLY_TEST 4715 usb_req_attrs_t attrs = 0; 4716 #else 4717 usb_req_attrs_t attrs = USB_ATTRS_SHORT_XFER_OK; 4718 #endif 4719 4720 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4721 "scsa2usb_handle_data_start: BEGIN cmd = %p, req = %p", 4722 (void *)cmd, (void *)req); 4723 4724 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4725 4726 switch (cmd->cmd_dir) { 4727 case USB_EP_DIR_IN: 4728 #ifdef SCSA2USB_BULK_ONLY_TEST 4729 /* 4730 * This case occurs when the host expects to receive 4731 * more data than the device actually transfers. Hi > Di 4732 */ 4733 if (scsa2usb_test_case_5) { 4734 usb_bulk_req_t *req2; 4735 4736 req->bulk_len = cmd->cmd_xfercount - 1; 4737 req->bulk_attributes = 0; 4738 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4739 SCSA2USB_FREE_MSG(req->bulk_data); 4740 req->bulk_data = allocb_wait(req->bulk_len, BPRI_LO, 4741 STR_NOSIG, NULL); 4742 4743 ASSERT(req->bulk_timeout); 4744 rval = usb_pipe_bulk_xfer( 4745 scsa2usbp->scsa2usb_bulkin_pipe, req, flags); 4746 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4747 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4748 scsa2usbp->scsa2usb_log_handle, "rval = %x", rval); 4749 4750 req2 = scsa2usb_init_bulk_req(scsa2usbp, 4751 cmd->cmd_xfercount + 2, 4752 cmd->cmd_timeout, 0, flags); 4753 req2->bulk_len = cmd->cmd_xfercount + 2; 4754 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4755 4756 ASSERT(req2->bulk_timeout); 4757 rval = usb_pipe_bulk_xfer( 4758 scsa2usbp->scsa2usb_bulkin_pipe, req2, flags); 4759 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4760 4761 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4762 scsa2usbp->scsa2usb_log_handle, 4763 "TEST 5: Hi > Di: rval = 0x%x", rval); 4764 scsa2usb_test_case_5 = 0; 4765 usb_free_bulk_req(req2); 4766 4767 return (rval); 4768 } 4769 4770 /* 4771 * This happens when the host expects to send data to the 4772 * device while the device intends to send data to the host. 4773 */ 4774 if (scsa2usb_test_case_8 && (cmd->cmd_cdb[0] == SCMD_READ_G1)) { 4775 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4776 scsa2usbp->scsa2usb_log_handle, 4777 "TEST 8: Hi <> Do: Step 2"); 4778 scsa2usb_test_mblk(scsa2usbp, B_TRUE); 4779 scsa2usb_test_case_8 = 0; 4780 4781 return (rval); 4782 } 4783 #endif /* SCSA2USB_BULK_ONLY_TEST */ 4784 4785 ept_addr = scsa2usbp->scsa2usb_bulkin_ept.bEndpointAddress; 4786 req->bulk_len = cmd->cmd_xfercount; 4787 req->bulk_attributes = attrs; 4788 SCSA2USB_FREE_MSG(req->bulk_data); 4789 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4790 4791 req->bulk_data = esballoc_wait( 4792 (uchar_t *)cmd->cmd_bp->b_un.b_addr + 4793 cmd->cmd_offset, 4794 req->bulk_len, BPRI_LO, &fr); 4795 4796 ASSERT(req->bulk_timeout); 4797 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkin_pipe, 4798 req, flags); 4799 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4800 4801 break; 4802 4803 case USB_EP_DIR_OUT: 4804 #ifdef SCSA2USB_BULK_ONLY_TEST 4805 /* 4806 * This happens when the host expects to receive data 4807 * from the device while the device intends to receive 4808 * data from the host. 4809 */ 4810 if (scsa2usb_test_case_10 && 4811 (cmd->cmd_cdb[0] == SCMD_WRITE_G1)) { 4812 req->bulk_len = CSW_LEN; 4813 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4814 4815 ASSERT(req->bulk_timeout); 4816 rval = usb_pipe_bulk_xfer( 4817 scsa2usbp->scsa2usb_bulkin_pipe, req, flags); 4818 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4819 4820 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4821 scsa2usbp->scsa2usb_log_handle, 4822 "TEST 10: Ho <> Di: done rval = 0x%x", rval); 4823 scsa2usb_test_case_10 = 0; 4824 4825 return (rval); 4826 } 4827 #endif /* SCSA2USB_BULK_ONLY_TEST */ 4828 4829 req->bulk_data = scsa2usb_bp_to_mblk(scsa2usbp); 4830 if (req->bulk_data == NULL) { 4831 4832 return (USB_FAILURE); 4833 } 4834 4835 #ifdef SCSA2USB_BULK_ONLY_TEST 4836 if (scsa2usb_test_case_11) { 4837 /* 4838 * Host expects to send data to the device and 4839 * device doesn't expect to receive any data 4840 */ 4841 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4842 scsa2usbp->scsa2usb_log_handle, "TEST 11: Ho > Do"); 4843 4844 scsa2usb_test_mblk(scsa2usbp, B_FALSE); 4845 scsa2usb_test_case_11 = 0; 4846 } 4847 #endif /* SCSA2USB_BULK_ONLY_TEST */ 4848 4849 ept_addr = scsa2usbp->scsa2usb_bulkout_ept.bEndpointAddress; 4850 req->bulk_len = req->bulk_data->b_wptr - req->bulk_data->b_rptr; 4851 req->bulk_timeout = scsa2usb_bulk_timeout(cmd->cmd_timeout); 4852 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4853 4854 ASSERT(req->bulk_timeout); 4855 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkout_pipe, 4856 req, flags); 4857 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4858 break; 4859 } 4860 4861 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 4862 scsa2usbp->scsa2usb_log_handle, 4863 "scsa2usb_handle_data_start: rval=%d cr=%d", rval, 4864 req->bulk_completion_reason); 4865 4866 if (rval != USB_SUCCESS) { 4867 /* Handle Errors now */ 4868 if (req->bulk_completion_reason == USB_CR_STALL) { 4869 if (cmd->cmd_dir == USB_EP_DIR_IN) { 4870 (void) scsa2usb_clear_ept_stall( 4871 scsa2usbp, ept_addr, 4872 scsa2usbp-> scsa2usb_bulkin_pipe, 4873 "bulk-in"); 4874 } else { 4875 (void) scsa2usb_clear_ept_stall( 4876 scsa2usbp, ept_addr, 4877 scsa2usbp-> scsa2usb_bulkout_pipe, 4878 "bulk-out"); 4879 } 4880 } 4881 4882 /* no more data to transfer after this */ 4883 cmd->cmd_done = 1; 4884 } 4885 4886 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4887 "scsa2usb_handle_data_start: END %s data rval = %d", 4888 (cmd->cmd_dir == USB_EP_DIR_IN) ? "bulk-in" : "bulk-out", rval); 4889 4890 return (rval); 4891 } 4892 4893 4894 /* 4895 * scsa2usb_handle_data_done: 4896 * This function handles the completion of the data xfer. 4897 * It also massages the inquiry data. This function may 4898 * also be called after a stall. 4899 */ 4900 void 4901 scsa2usb_handle_data_done(scsa2usb_state_t *scsa2usbp, 4902 scsa2usb_cmd_t *cmd, usb_bulk_req_t *req) 4903 { 4904 struct buf *bp = cmd->cmd_bp; 4905 struct scsi_pkt *pkt = scsa2usbp->scsa2usb_cur_pkt; 4906 mblk_t *data = req->bulk_data; 4907 int len = data ? (data->b_wptr - data->b_rptr) : 0; 4908 uint32_t max_lba; 4909 4910 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4911 4912 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4913 "scsa2usb_handle_data_done:\n\tcmd = 0x%p data = 0x%p len = 0x%x", 4914 (void *)cmd, (void *)data, len); 4915 4916 cmd->cmd_resid_xfercount = cmd->cmd_xfercount - len; 4917 4918 if (len) { 4919 uchar_t *p; 4920 uchar_t dtype; 4921 scsa2usb_read_cap_t *cap; 4922 struct scsi_inquiry *inq; 4923 4924 switch (cmd->cmd_cdb[SCSA2USB_OPCODE]) { 4925 case SCMD_INQUIRY: 4926 /* 4927 * cache a copy of the inquiry data for our own use 4928 * but ensure that we have at least up to 4929 * inq_revision, inq_serial is not required. 4930 * ignore inquiry data returned for inquiry commands 4931 * with SCSI-3 EVPD, CmdDt bits set. 4932 */ 4933 if (((cmd->cmd_cdb[SCSA2USB_LUN] & 0x1f) == 0) && 4934 (len >= SCSA2USB_MAX_INQ_LEN)) { 4935 inq = (struct scsi_inquiry *)data->b_rptr; 4936 dtype = inq->inq_dtype & DTYPE_MASK; 4937 /* 4938 * scsi framework sends zero byte write(10) cmd 4939 * to (Simplified) direct-access devices with 4940 * inquiry version > 2 for reservation changes. 4941 * But some USB devices don't support zero byte 4942 * write(10) even though they have inquiry 4943 * version > 2. Considering scsa2usb driver 4944 * doesn't support reservation and all the 4945 * reservation cmds are being faked, we fake 4946 * the inquiry version to 0 to make scsi 4947 * framework send test unit ready cmd which is 4948 * supported by all the usb devices. 4949 */ 4950 if (((dtype == DTYPE_DIRECT) || 4951 (dtype == DTYPE_RBC)) && 4952 (inq->inq_ansi > 2)) { 4953 inq->inq_ansi = 0; 4954 } 4955 4956 bzero(&scsa2usbp->scsa2usb_lun_inquiry 4957 [pkt->pkt_address.a_lun], 4958 sizeof (struct scsi_inquiry)); 4959 bcopy(data->b_rptr, 4960 &scsa2usbp->scsa2usb_lun_inquiry 4961 [pkt->pkt_address.a_lun], len); 4962 } 4963 4964 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 4965 scsa2usbp->scsa2usb_log_handle, 4966 "scsi inquiry type = 0x%x", 4967 scsa2usbp->scsa2usb_lun_inquiry 4968 [pkt->pkt_address.a_lun].inq_dtype); 4969 4970 cmd->cmd_done = 1; 4971 goto handle_data; 4972 4973 case SCMD_READ_CAPACITY: 4974 cap = (scsa2usb_read_cap_t *)data->b_rptr; 4975 4976 /* Figure out the logical block size */ 4977 if ((len >= sizeof (struct scsa2usb_read_cap)) && 4978 (req->bulk_completion_reason == USB_CR_OK)) { 4979 scsa2usbp-> 4980 scsa2usb_lbasize[pkt->pkt_address.a_lun] = 4981 SCSA2USB_MK_32BIT( 4982 cap->scsa2usb_read_cap_blen3, 4983 cap->scsa2usb_read_cap_blen2, 4984 cap->scsa2usb_read_cap_blen1, 4985 cap->scsa2usb_read_cap_blen0); 4986 4987 max_lba = SCSA2USB_MK_32BIT( 4988 cap->scsa2usb_read_cap_lba3, 4989 cap->scsa2usb_read_cap_lba2, 4990 cap->scsa2usb_read_cap_lba1, 4991 cap->scsa2usb_read_cap_lba0); 4992 4993 /* 4994 * Some devices return total logical block 4995 * number instead of highest logical block 4996 * address. Adjust the value by minus 1. 4997 */ 4998 if (max_lba > 0 && (scsa2usbp->scsa2usb_attrs & 4999 SCSA2USB_ATTRS_NO_CAP_ADJUST) == 0) { 5000 max_lba -= 1; 5001 cap->scsa2usb_read_cap_lba0 = 5002 (uchar_t)(max_lba & 0xFF); 5003 cap->scsa2usb_read_cap_lba1 = 5004 (uchar_t)(max_lba >> 8 & 0xFF); 5005 cap->scsa2usb_read_cap_lba2 = 5006 (uchar_t)(max_lba >> 16 & 0xFF); 5007 cap->scsa2usb_read_cap_lba3 = 5008 (uchar_t)(max_lba >> 24 & 0xFF); 5009 } 5010 5011 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 5012 scsa2usbp->scsa2usb_log_handle, 5013 "bytes in each logical block=0x%lx," 5014 "number of total logical blocks=0x%x", 5015 scsa2usbp-> 5016 scsa2usb_lbasize[pkt->pkt_address.a_lun], 5017 max_lba + 1); 5018 } 5019 cmd->cmd_done = 1; 5020 goto handle_data; 5021 5022 case SCMD_REQUEST_SENSE: 5023 p = data->b_rptr; 5024 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 5025 scsa2usbp->scsa2usb_log_handle, 5026 "cdb: %x rqsense: " 5027 "%x %x %x %x %x %x %x %x %x %x\n\t" 5028 "%x %x %x %x %x %x %x %x %x %x", 5029 cmd->cmd_cdb[0], 5030 p[0], p[1], p[2], p[3], p[4], 5031 p[5], p[6], p[7], p[8], p[9], 5032 p[10], p[11], p[12], p[13], p[14], 5033 p[15], p[16], p[17], p[18], p[19]); 5034 5035 scsa2usbp->scsa2usb_last_cmd.status = p[2]; 5036 cmd->cmd_done = 1; 5037 /* FALLTHROUGH */ 5038 5039 default: 5040 handle_data: 5041 if (bp && len && (cmd->cmd_dir == USB_EP_DIR_IN)) { 5042 /* 5043 * we don't have to copy the data, the 5044 * data pointers for the mblk_t for 5045 * the bulk-in xfer points to the 5046 * struct buf * data. 5047 */ 5048 cmd->cmd_offset += len; 5049 } 5050 5051 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 5052 scsa2usbp->scsa2usb_log_handle, 5053 "len = 0x%x total = 0x%lx offset = 0x%lx", 5054 len, cmd->cmd_total_xfercount, cmd->cmd_offset); 5055 5056 /* 5057 * update total_xfercount now but it may be 5058 * adjusted after receiving the residue 5059 */ 5060 cmd->cmd_total_xfercount -= len; 5061 5062 if ((req->bulk_completion_reason != USB_CR_OK) || 5063 (cmd->cmd_resid_xfercount != 0) || 5064 (cmd->cmd_total_xfercount == 0)) { 5065 /* set pkt_resid to total to be sure */ 5066 pkt->pkt_resid = cmd->cmd_total_xfercount; 5067 cmd->cmd_done = 1; 5068 } 5069 5070 break; 5071 } 5072 } else { 5073 if (cmd->cmd_dir == USB_EP_DIR_OUT) { 5074 if (cmd->cmd_total_xfercount == 0) { 5075 cmd->cmd_done = 1; 5076 } 5077 } 5078 } 5079 } 5080 5081 5082 /* 5083 * scsa2usb_init_bulk_req: 5084 * Allocate (synchronously) and fill in a bulk-request 5085 */ 5086 usb_bulk_req_t * 5087 scsa2usb_init_bulk_req(scsa2usb_state_t *scsa2usbp, size_t length, 5088 uint_t timeout, usb_req_attrs_t attrs, usb_flags_t flags) 5089 { 5090 usb_bulk_req_t *req; 5091 5092 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5093 5094 req = usb_alloc_bulk_req(scsa2usbp->scsa2usb_dip, length, 5095 flags | USB_FLAGS_SLEEP); 5096 5097 req->bulk_len = length; /* xfer length */ 5098 req->bulk_timeout = scsa2usb_bulk_timeout(timeout); /* xfer timeout */ 5099 req->bulk_attributes = attrs; /* xfer attrs */ 5100 req->bulk_client_private = (usb_opaque_t)scsa2usbp; /* statep */ 5101 5102 return (req); 5103 } 5104 5105 5106 /* 5107 * scsa2usb_bulk_timeout: 5108 * ensure that bulk requests do not have infinite timeout values 5109 */ 5110 int 5111 scsa2usb_bulk_timeout(int timeout) 5112 { 5113 return ((timeout == 0) ? scsa2usb_long_timeout : timeout); 5114 } 5115 5116 5117 /* 5118 * scsa2usb_clear_ept_stall: 5119 * clear endpoint stall and reset pipes 5120 */ 5121 int 5122 scsa2usb_clear_ept_stall(scsa2usb_state_t *scsa2usbp, uint_t ept_addr, 5123 usb_pipe_handle_t ph, char *what) 5124 { 5125 int rval; 5126 dev_info_t *dip = scsa2usbp->scsa2usb_dip; 5127 5128 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5129 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 5130 5131 return (USB_FAILURE); 5132 } 5133 5134 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5135 rval = usb_clr_feature(dip, USB_DEV_REQ_RCPT_EP, 0, ept_addr, 5136 USB_FLAGS_SLEEP, NULL, NULL); 5137 5138 usb_pipe_reset(dip, ph, USB_FLAGS_SLEEP, NULL, NULL); 5139 5140 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5141 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5142 "scsa2usb_clear_ept_stall: on %s: ept = 0x%x rval = %d", 5143 what, ept_addr, rval); 5144 5145 return (rval); 5146 } 5147 5148 5149 /* 5150 * scsa2usb_pkt_completion: 5151 * Handle pkt completion. 5152 */ 5153 static void 5154 scsa2usb_pkt_completion(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt) 5155 { 5156 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 5157 size_t len; 5158 5159 ASSERT(pkt); 5160 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5161 5162 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5163 "scsa2usb_pkt_completion:\n\tscsa2usbp = 0x%p " 5164 "reason=%d, status=%d state=0x%x stats=0x%x resid=0x%lx", 5165 (void *)scsa2usbp, pkt->pkt_reason, *(pkt->pkt_scbp), 5166 pkt->pkt_state, pkt->pkt_statistics, pkt->pkt_resid); 5167 5168 if (pkt->pkt_reason == CMD_CMPLT) { 5169 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET | 5170 STATE_SENT_CMD | STATE_GOT_STATUS; 5171 if (cmd->cmd_xfercount) { 5172 pkt->pkt_state |= STATE_XFERRED_DATA; 5173 } 5174 } else { 5175 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET | 5176 STATE_SENT_CMD; 5177 } 5178 5179 /* 5180 * don't zap the current state when in panic as this will 5181 * make debugging harder 5182 */ 5183 if ((scsa2usbp->scsa2usb_cur_pkt == pkt) && !ddi_in_panic()) { 5184 SCSA2USB_RESET_CUR_PKT(scsa2usbp); 5185 5186 len = sizeof (scsa2usbp->scsa2usb_last_cmd.cdb); 5187 bzero(scsa2usbp->scsa2usb_last_cmd.cdb, len); 5188 5189 len = (len < cmd->cmd_cdblen) ? len : cmd->cmd_cdblen; 5190 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 5191 scsa2usbp->scsa2usb_log_handle, 5192 "scsa2usb_pkt_completion: save last cmd, len=%ld", len); 5193 5194 /* save the last command */ 5195 bcopy(pkt->pkt_cdbp, scsa2usbp->scsa2usb_last_cmd.cdb, len); 5196 5197 /* reset the scsa2usb_last_cmd.status value */ 5198 if ((pkt->pkt_cdbp[0] != SCMD_REQUEST_SENSE) && 5199 (pkt->pkt_cdbp[0] != SCMD_INQUIRY)) { 5200 scsa2usbp->scsa2usb_last_cmd.status = 0; 5201 } 5202 5203 /* 5204 * set pkt state to NONE *before* calling back as the target 5205 * driver will immediately submit the next packet 5206 */ 5207 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE; 5208 } 5209 5210 if (pkt->pkt_comp) { 5211 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5212 pkt->pkt_comp(pkt); 5213 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5214 5215 } 5216 } 5217 5218 5219 /* 5220 * Even handling functions: 5221 * 5222 * scsa2usb_reconnect_event_cb: 5223 * event handling 5224 */ 5225 static int 5226 scsa2usb_reconnect_event_cb(dev_info_t *dip) 5227 { 5228 scsa2usb_state_t *scsa2usbp = 5229 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 5230 dev_info_t *cdip; 5231 int circ; 5232 int rval = USB_SUCCESS; 5233 5234 ASSERT(scsa2usbp != NULL); 5235 5236 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5237 "scsa2usb_reconnect_event_cb: dip = 0x%p", (void *)dip); 5238 5239 scsa2usb_restore_device_state(dip, scsa2usbp); 5240 5241 USB_DPRINTF_L0(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5242 "Reinserted device is accessible again."); 5243 5244 ndi_devi_enter(dip, &circ); 5245 for (cdip = ddi_get_child(dip); cdip; ) { 5246 dev_info_t *next = ddi_get_next_sibling(cdip); 5247 5248 mutex_enter(&DEVI(cdip)->devi_lock); 5249 DEVI_SET_DEVICE_REINSERTED(cdip); 5250 mutex_exit(&DEVI(cdip)->devi_lock); 5251 5252 cdip = next; 5253 } 5254 ndi_devi_exit(dip, circ); 5255 5256 /* stop suppressing warnings */ 5257 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5258 scsa2usbp->scsa2usb_warning_given = B_FALSE; 5259 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5260 5261 if (scsa2usbp->scsa2usb_ugen_hdl) { 5262 rval = usb_ugen_reconnect_ev_cb( 5263 scsa2usbp->scsa2usb_ugen_hdl); 5264 } 5265 5266 return (rval); 5267 } 5268 5269 5270 /* 5271 * scsa2usb_all_waitQs_empty: 5272 * check if all waitQs empty 5273 */ 5274 static int 5275 scsa2usb_all_waitQs_empty(scsa2usb_state_t *scsa2usbp) 5276 { 5277 uint_t lun; 5278 5279 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 5280 if (usba_list_entry_count( 5281 &scsa2usbp->scsa2usb_waitQ[lun])) { 5282 5283 return (USB_FAILURE); 5284 } 5285 } 5286 5287 return (USB_SUCCESS); 5288 } 5289 5290 5291 /* 5292 * scsa2usb_disconnect_event_cb: 5293 * callback for disconnect events 5294 */ 5295 static int 5296 scsa2usb_disconnect_event_cb(dev_info_t *dip) 5297 { 5298 scsa2usb_state_t *scsa2usbp = 5299 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 5300 dev_info_t *cdip; 5301 int circ, i; 5302 int rval = USB_SUCCESS; 5303 5304 ASSERT(scsa2usbp != NULL); 5305 5306 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5307 "scsa2usb_disconnect_event_cb: dip = 0x%p", (void *)dip); 5308 5309 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5310 scsa2usbp->scsa2usb_dev_state = USB_DEV_DISCONNECTED; 5311 5312 /* 5313 * wait till the work thread is done, carry on regardless 5314 * if not. 5315 */ 5316 for (i = 0; i < SCSA2USB_DRAIN_TIMEOUT; i++) { 5317 if ((scsa2usbp->scsa2usb_work_thread_id == NULL) && 5318 (scsa2usbp->scsa2usb_cur_pkt == NULL) && 5319 (scsa2usb_all_waitQs_empty(scsa2usbp) == 5320 USB_SUCCESS)) { 5321 5322 break; 5323 } 5324 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5325 delay(drv_usectohz(1000000)); 5326 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5327 } 5328 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5329 5330 ndi_devi_enter(dip, &circ); 5331 for (cdip = ddi_get_child(dip); cdip; ) { 5332 dev_info_t *next = ddi_get_next_sibling(cdip); 5333 5334 mutex_enter(&DEVI(cdip)->devi_lock); 5335 DEVI_SET_DEVICE_REMOVED(cdip); 5336 mutex_exit(&DEVI(cdip)->devi_lock); 5337 5338 cdip = next; 5339 } 5340 ndi_devi_exit(dip, circ); 5341 5342 if (scsa2usbp->scsa2usb_ugen_hdl) { 5343 rval = usb_ugen_disconnect_ev_cb( 5344 scsa2usbp->scsa2usb_ugen_hdl); 5345 } 5346 5347 return (rval); 5348 } 5349 5350 5351 /* 5352 * PM support 5353 * 5354 * scsa2usb_create_pm_components: 5355 * create the pm components required for power management 5356 * no mutex is need when calling USBA interfaces 5357 */ 5358 static void 5359 scsa2usb_create_pm_components(dev_info_t *dip, scsa2usb_state_t *scsa2usbp) 5360 { 5361 scsa2usb_power_t *pm; 5362 uint_t pwr_states; 5363 5364 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5365 5366 USB_DPRINTF_L4(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5367 "scsa2usb_create_pm_components: dip = 0x%p, scsa2usbp = 0x%p", 5368 (void *)dip, (void *)scsa2usbp); 5369 5370 /* 5371 * determine if this device is on the blacklist 5372 * or if a conf file entry has disabled PM 5373 */ 5374 if ((scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_PM) == 0) { 5375 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5376 "device cannot be power managed"); 5377 5378 return; 5379 } 5380 5381 /* Allocate the PM state structure */ 5382 pm = kmem_zalloc(sizeof (scsa2usb_power_t), KM_SLEEP); 5383 5384 scsa2usbp->scsa2usb_pm = pm; 5385 pm->scsa2usb_current_power = USB_DEV_OS_FULL_PWR; 5386 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5387 5388 if (usb_create_pm_components(dip, &pwr_states) == 5389 USB_SUCCESS) { 5390 if (usb_handle_remote_wakeup(dip, 5391 USB_REMOTE_WAKEUP_ENABLE) == USB_SUCCESS) { 5392 pm->scsa2usb_wakeup_enabled = 1; 5393 } 5394 5395 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5396 pm->scsa2usb_pwr_states = (uint8_t)pwr_states; 5397 scsa2usb_raise_power(scsa2usbp); 5398 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5399 } 5400 5401 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5402 } 5403 5404 5405 /* 5406 * scsa2usb_raise_power: 5407 * check if the device is using full power or not 5408 */ 5409 static void 5410 scsa2usb_raise_power(scsa2usb_state_t *scsa2usbp) 5411 { 5412 USB_DPRINTF_L4(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5413 "scsa2usb_raise_power:"); 5414 5415 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5416 5417 if (scsa2usbp->scsa2usb_pm) { 5418 scsa2usb_pm_busy_component(scsa2usbp); 5419 if (scsa2usbp->scsa2usb_pm->scsa2usb_current_power != 5420 USB_DEV_OS_FULL_PWR) { 5421 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5422 (void) pm_raise_power(scsa2usbp->scsa2usb_dip, 5423 0, USB_DEV_OS_FULL_PWR); 5424 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5425 } 5426 } 5427 } 5428 5429 5430 /* 5431 * functions to handle power transition for OS levels 0 -> 3 5432 */ 5433 static int 5434 scsa2usb_pwrlvl0(scsa2usb_state_t *scsa2usbp) 5435 { 5436 int rval; 5437 5438 switch (scsa2usbp->scsa2usb_dev_state) { 5439 case USB_DEV_ONLINE: 5440 /* Deny the powerdown request if the device is busy */ 5441 if (scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy != 0) { 5442 5443 return (USB_FAILURE); 5444 } 5445 5446 /* 5447 * stop polling on interrupt pipe 5448 */ 5449 scsa2usb_cbi_stop_intr_polling(scsa2usbp); 5450 5451 /* Issue USB D3 command to the device here */ 5452 rval = usb_set_device_pwrlvl3(scsa2usbp->scsa2usb_dip); 5453 ASSERT(rval == USB_SUCCESS); 5454 5455 scsa2usbp->scsa2usb_dev_state = USB_DEV_PWRED_DOWN; 5456 5457 /* FALLTHRU */ 5458 case USB_DEV_DISCONNECTED: 5459 case USB_DEV_SUSPENDED: 5460 case USB_DEV_PWRED_DOWN: 5461 default: 5462 scsa2usbp->scsa2usb_pm->scsa2usb_current_power = 5463 USB_DEV_OS_PWR_OFF; 5464 5465 return (USB_SUCCESS); 5466 } 5467 } 5468 5469 5470 static int 5471 scsa2usb_pwrlvl1(scsa2usb_state_t *scsa2usbp) 5472 { 5473 int rval; 5474 5475 /* Issue USB D2 command to the device here */ 5476 rval = usb_set_device_pwrlvl2(scsa2usbp->scsa2usb_dip); 5477 ASSERT(rval == USB_SUCCESS); 5478 5479 return (DDI_FAILURE); 5480 } 5481 5482 5483 static int 5484 scsa2usb_pwrlvl2(scsa2usb_state_t *scsa2usbp) 5485 { 5486 int rval; 5487 5488 /* Issue USB D1 command to the device here */ 5489 rval = usb_set_device_pwrlvl1(scsa2usbp->scsa2usb_dip); 5490 ASSERT(rval == USB_SUCCESS); 5491 5492 return (DDI_FAILURE); 5493 } 5494 5495 5496 static int 5497 scsa2usb_pwrlvl3(scsa2usb_state_t *scsa2usbp) 5498 { 5499 int rval; 5500 5501 /* 5502 * PM framework tries to put us in full power 5503 * during system shutdown. If we are disconnected 5504 * return success anyways 5505 */ 5506 if (scsa2usbp->scsa2usb_dev_state != USB_DEV_DISCONNECTED) { 5507 /* Issue USB D0 command to the device here */ 5508 rval = usb_set_device_pwrlvl0(scsa2usbp->scsa2usb_dip); 5509 ASSERT(rval == USB_SUCCESS); 5510 5511 scsa2usbp->scsa2usb_dev_state = USB_DEV_ONLINE; 5512 } 5513 scsa2usbp->scsa2usb_pm->scsa2usb_current_power = USB_DEV_OS_FULL_PWR; 5514 5515 return (DDI_SUCCESS); 5516 } 5517 5518 5519 /* 5520 * scsa2usb_power: 5521 * power entry point 5522 */ 5523 /* ARGSUSED */ 5524 static int 5525 scsa2usb_power(dev_info_t *dip, int comp, int level) 5526 { 5527 scsa2usb_state_t *scsa2usbp; 5528 scsa2usb_power_t *pm; 5529 int rval = DDI_FAILURE; 5530 5531 scsa2usbp = ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 5532 5533 USB_DPRINTF_L3(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5534 "scsa2usb_power: Begin scsa2usbp (%p): level = %d", 5535 (void *)scsa2usbp, level); 5536 5537 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5538 if (SCSA2USB_BUSY(scsa2usbp)) { 5539 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5540 "scsa2usb_power: busy"); 5541 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5542 5543 return (rval); 5544 } 5545 5546 pm = scsa2usbp->scsa2usb_pm; 5547 if (pm == NULL) { 5548 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5549 "scsa2usb_power: pm NULL"); 5550 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5551 5552 return (rval); 5553 } 5554 5555 /* check if we are transitioning to a legal power level */ 5556 if (USB_DEV_PWRSTATE_OK(pm->scsa2usb_pwr_states, level)) { 5557 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5558 "scsa2usb_power: illegal power level = %d " 5559 "pwr_states: %x", level, pm->scsa2usb_pwr_states); 5560 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5561 5562 return (rval); 5563 } 5564 5565 switch (level) { 5566 case USB_DEV_OS_PWR_OFF : 5567 rval = scsa2usb_pwrlvl0(scsa2usbp); 5568 break; 5569 case USB_DEV_OS_PWR_1 : 5570 rval = scsa2usb_pwrlvl1(scsa2usbp); 5571 break; 5572 case USB_DEV_OS_PWR_2 : 5573 rval = scsa2usb_pwrlvl2(scsa2usbp); 5574 break; 5575 case USB_DEV_OS_FULL_PWR : 5576 rval = scsa2usb_pwrlvl3(scsa2usbp); 5577 break; 5578 } 5579 5580 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5581 5582 return ((rval == USB_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 5583 } 5584 5585 5586 static void 5587 scsa2usb_pm_busy_component(scsa2usb_state_t *scsa2usbp) 5588 { 5589 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5590 5591 if (scsa2usbp->scsa2usb_pm) { 5592 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy++; 5593 5594 USB_DPRINTF_L4(DPRINT_MASK_PM, 5595 scsa2usbp->scsa2usb_log_handle, 5596 "scsa2usb_pm_busy_component: %d", 5597 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy); 5598 5599 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5600 5601 if (pm_busy_component(scsa2usbp->scsa2usb_dip, 0) != 5602 DDI_SUCCESS) { 5603 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5604 ASSERT(scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy > 0); 5605 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy--; 5606 5607 USB_DPRINTF_L2(DPRINT_MASK_PM, 5608 scsa2usbp->scsa2usb_log_handle, 5609 "scsa2usb_pm_busy_component failed: %d", 5610 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy); 5611 5612 return; 5613 } 5614 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5615 } 5616 } 5617 5618 5619 /* 5620 * scsa2usb_pm_idle_component: 5621 * idles the device 5622 */ 5623 static void 5624 scsa2usb_pm_idle_component(scsa2usb_state_t *scsa2usbp) 5625 { 5626 ASSERT(!mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5627 5628 if (scsa2usbp->scsa2usb_pm) { 5629 if (pm_idle_component(scsa2usbp->scsa2usb_dip, 0) == 5630 DDI_SUCCESS) { 5631 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5632 ASSERT(scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy > 0); 5633 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy--; 5634 5635 USB_DPRINTF_L4(DPRINT_MASK_PM, 5636 scsa2usbp->scsa2usb_log_handle, 5637 "scsa2usb_pm_idle_component: %d", 5638 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy); 5639 5640 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5641 } 5642 } 5643 } 5644 5645 5646 #ifdef DEBUG 5647 /* 5648 * scsa2usb_print_cdb: 5649 * prints CDB 5650 */ 5651 void 5652 scsa2usb_print_cdb(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd) 5653 { 5654 uchar_t *c = (uchar_t *)&cmd->cmd_cdb; 5655 5656 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5657 "cmd = 0x%p opcode=%s " 5658 "cdb: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", 5659 (void *)cmd, 5660 scsi_cname(cmd->cmd_cdb[SCSA2USB_OPCODE], scsa2usb_cmds), 5661 c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8], 5662 c[9], c[10], c[11], c[12], c[13], c[14], c[15]); 5663 } 5664 #endif /* DEBUG */ 5665 5666 5667 #ifdef SCSA2USB_BULK_ONLY_TEST 5668 /* 5669 * scsa2usb_test_mblk: 5670 * This function sends a dummy data mblk_t to simulate 5671 * the following test cases: 5 and 11. 5672 */ 5673 static void 5674 scsa2usb_test_mblk(scsa2usb_state_t *scsa2usbp, boolean_t large) 5675 { 5676 int i, rval; 5677 size_t len; 5678 usb_flags_t flags = USB_FLAGS_SLEEP; 5679 usb_bulk_req_t *req; 5680 5681 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5682 5683 /* should we create a larger mblk? */ 5684 len = (large == B_TRUE) ? DEV_BSIZE : USB_BULK_CBWCMD_LEN; 5685 5686 req = scsa2usb_init_bulk_req(scsa2usbp, len, 5687 SCSA2USB_BULK_PIPE_TIMEOUT, 0, flags); 5688 5689 /* fill up the data mblk */ 5690 for (i = 0; i < len; i++) { 5691 *req->bulk_data->b_wptr++ = (uchar_t)i; 5692 } 5693 5694 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5695 ASSERT(req->bulk_timeout); 5696 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkout_pipe, req, flags); 5697 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5698 5699 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5700 "scsa2usb_test_mblk: Sent Data Out rval = 0x%x", rval); 5701 5702 usb_free_bulk_req(req); 5703 } 5704 #endif /* SCSA2USB_BULK_ONLY_TEST */ 5705