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 NULL, /* 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", 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=%d, curr_if=%d", 690 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", 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", 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", 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 bp, 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 ap, pkt, bp, cmdlen, statuslen, tgtlen, flags); 2476 2477 return (pkt); 2478 } 2479 2480 2481 /* 2482 * scsa2usb_scsi_destroy_pkt: 2483 * We are done with the packet. Get rid of it. 2484 */ 2485 static void 2486 scsa2usb_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) 2487 { 2488 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 2489 scsa2usb_state_t *scsa2usbp = ADDR2SCSA2USB(ap); 2490 2491 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2492 "scsa2usb_scsi_destroy_pkt: pkt=0x%p", pkt); 2493 2494 usba_destroy_list(&cmd->cmd_waitQ); 2495 scsi_hba_pkt_free(ap, pkt); 2496 } 2497 2498 2499 /* 2500 * scsa2usb_scsi_start: 2501 * For each command being issued, build up the CDB 2502 * and call scsi_transport to issue the command. This 2503 * function is based on the assumption that USB allows 2504 * a subset of SCSI commands. Other SCSI commands we fail. 2505 */ 2506 static int 2507 scsa2usb_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) 2508 { 2509 scsa2usb_cmd_t *cmd; 2510 scsa2usb_state_t *scsa2usbp = ADDR2SCSA2USB(ap); 2511 uint_t lun = ap->a_lun; 2512 2513 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2514 2515 cmd = PKT2CMD(pkt); 2516 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2517 "scsa2usb_scsi_start:\n\t" 2518 "bp: 0x%p ap: 0x%p pkt: 0x%p flag: 0x%x time: 0x%x\n\tcdb0: 0x%x " 2519 "dev_state: 0x%x pkt_state: 0x%x flags: 0x%x pipe_state: 0x%x", 2520 cmd->cmd_bp, ap, pkt, pkt->pkt_flags, pkt->pkt_time, 2521 pkt->pkt_cdbp[0], scsa2usbp->scsa2usb_dev_state, 2522 scsa2usbp->scsa2usb_pkt_state, scsa2usbp->scsa2usb_flags, 2523 scsa2usbp->scsa2usb_pipe_state); 2524 2525 if (pkt->pkt_time == 0) { 2526 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2527 "pkt submitted with 0 timeout which may cause indefinite " 2528 "hangs"); 2529 } 2530 2531 /* 2532 * if we are in panic, we are in polled mode, so we can just 2533 * accept the request, drop it and return 2534 * if we fail this request, the rest of the file systems do not 2535 * get synced 2536 */ 2537 if (ddi_in_panic()) { 2538 extern int do_polled_io; 2539 2540 ASSERT(do_polled_io); 2541 scsa2usb_prepare_pkt(scsa2usbp, pkt); 2542 SCSA2USB_PRINT_SYNC_MSG(scsa2usb_sync_message, scsa2usbp); 2543 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2544 2545 return (TRAN_ACCEPT); 2546 } 2547 2548 /* we cannot do polling, this should not happen */ 2549 if (pkt->pkt_flags & FLAG_NOINTR) { 2550 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2551 "NOINTR packet: opcode = 0%x", pkt->pkt_cdbp[0]); 2552 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2553 2554 return (TRAN_BADPKT); 2555 } 2556 2557 /* is there a ugen open? */ 2558 if (scsa2usbp->scsa2usb_ugen_open_count) { 2559 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2560 "ugen access in progress (count=%d)", 2561 scsa2usbp->scsa2usb_ugen_open_count); 2562 2563 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2564 2565 return (TRAN_BUSY); 2566 } 2567 2568 /* prepare packet */ 2569 scsa2usb_prepare_pkt(scsa2usbp, pkt); 2570 2571 /* just queue up the requests in the waitQ if below max */ 2572 if (usba_list_entry_count(&scsa2usbp->scsa2usb_waitQ[lun]) > 2573 SCSA2USB_MAX_REQ_PER_LUN) { 2574 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 2575 scsa2usbp->scsa2usb_log_handle, 2576 "scsa2usb_scsi_start: limit (%d) exceeded", 2577 SCSA2USB_MAX_REQ_PER_LUN); 2578 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2579 2580 return (TRAN_BUSY); 2581 } 2582 2583 usba_add_to_list(&scsa2usbp->scsa2usb_waitQ[lun], &cmd->cmd_waitQ); 2584 2585 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2586 "scsa2usb_work_thread_id=0x%x, count=%d, lun=%d", 2587 scsa2usbp->scsa2usb_work_thread_id, 2588 usba_list_entry_count(&scsa2usbp->scsa2usb_waitQ[lun]), lun); 2589 2590 /* fire up a thread to start executing the protocol */ 2591 if (scsa2usbp->scsa2usb_work_thread_id == 0) { 2592 if ((usb_async_req(scsa2usbp->scsa2usb_dip, 2593 scsa2usb_work_thread, 2594 (void *)scsa2usbp, USB_FLAGS_SLEEP)) != USB_SUCCESS) { 2595 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 2596 scsa2usbp->scsa2usb_log_handle, 2597 "no work thread started"); 2598 2599 if (usba_rm_from_list( 2600 &scsa2usbp->scsa2usb_waitQ[lun], 2601 &cmd->cmd_waitQ) == USB_SUCCESS) { 2602 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2603 2604 return (TRAN_BUSY); 2605 } else { 2606 2607 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2608 2609 return (TRAN_ACCEPT); 2610 } 2611 } 2612 scsa2usbp->scsa2usb_work_thread_id = (kthread_t *)1; 2613 } 2614 2615 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2616 2617 return (TRAN_ACCEPT); 2618 } 2619 2620 2621 /* 2622 * scsa2usb_scsi_abort: 2623 * Issue SCSI abort command. This function is a NOP. 2624 */ 2625 /* ARGSUSED */ 2626 static int 2627 scsa2usb_scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt) 2628 { 2629 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2630 2631 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2632 "scsa2usb_scsi_abort: pkt = %p", pkt); 2633 2634 /* if device is disconnected (ie. pipes closed), fail immediately */ 2635 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2636 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 2637 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2638 2639 return (0); 2640 } 2641 2642 /* flush waitQ if target and lun match */ 2643 if ((ap->a_target == pkt->pkt_address.a_target) && 2644 (ap->a_lun == pkt->pkt_address.a_lun)) { 2645 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2646 scsa2usb_flush_waitQ(scsa2usbp, ap->a_lun, CMD_ABORTED); 2647 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2648 } 2649 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2650 2651 return (0); 2652 } 2653 2654 2655 /* 2656 * scsa2usb_scsi_reset: 2657 * device reset may turn the device into a brick and bus reset 2658 * is not applicable. 2659 * just flush the waitQ 2660 * We return success, always. 2661 */ 2662 /* ARGSUSED */ 2663 static int 2664 scsa2usb_scsi_reset(struct scsi_address *ap, int level) 2665 { 2666 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2667 2668 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2669 "scsa2usb_scsi_reset: ap = 0x%p, level = %d", ap, level); 2670 2671 /* flush waitQ */ 2672 scsa2usb_flush_waitQ(scsa2usbp, ap->a_lun, CMD_RESET); 2673 2674 return (1); 2675 } 2676 2677 2678 /* 2679 * scsa2usb_scsi_getcap: 2680 * Get SCSI capabilities. 2681 */ 2682 /* ARGSUSED */ 2683 static int 2684 scsa2usb_scsi_getcap(struct scsi_address *ap, char *cap, int whom) 2685 { 2686 int rval = -1; 2687 uint_t cidx; 2688 size_t dev_bsize_cap; 2689 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2690 ASSERT(scsa2usbp); 2691 2692 if (cap == NULL) { 2693 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2694 "scsa2usb_scsi_getcap: invalid arg, " 2695 "cap = 0x%p whom = %d", cap, whom); 2696 2697 return (rval); 2698 } 2699 2700 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2701 "scsa2usb_scsi_getcap: cap = %s", cap); 2702 2703 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2704 2705 /* if device is disconnected (ie. pipes closed), fail immediately */ 2706 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 2707 2708 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2709 2710 return (rval); 2711 } 2712 2713 cidx = scsi_hba_lookup_capstr(cap); 2714 switch (cidx) { 2715 case SCSI_CAP_GEOMETRY: 2716 dev_bsize_cap = scsa2usbp->scsa2usb_totalsec[ap->a_lun]; 2717 2718 if (scsa2usbp->scsa2usb_secsz[ap->a_lun] > DEV_BSIZE) { 2719 dev_bsize_cap *= 2720 scsa2usbp->scsa2usb_secsz[ap->a_lun] / DEV_BSIZE; 2721 } else if (scsa2usbp->scsa2usb_secsz[ap->a_lun] < 2722 DEV_BSIZE) { 2723 dev_bsize_cap /= 2724 DEV_BSIZE / scsa2usbp->scsa2usb_secsz[ap->a_lun]; 2725 } 2726 2727 if (dev_bsize_cap < 65536 * 2 * 18) { /* < ~1GB */ 2728 /* unlabeled floppy, 18k per cylinder */ 2729 rval = ((2 << 16) | 18); 2730 } else if (dev_bsize_cap < 65536 * 64 * 32) { /* < 64GB */ 2731 /* 1024k per cylinder */ 2732 rval = ((64 << 16) | 32); 2733 } else if (dev_bsize_cap < 65536 * 255 * 63) { /* < ~500GB */ 2734 /* ~8m per cylinder */ 2735 rval = ((255 << 16) | 63); 2736 } else { /* .. 8TB */ 2737 /* 64m per cylinder */ 2738 rval = ((512 << 16) | 256); 2739 } 2740 break; 2741 2742 case SCSI_CAP_DMA_MAX: 2743 rval = scsa2usbp->scsa2usb_max_bulk_xfer_size; 2744 break; 2745 case SCSI_CAP_SCSI_VERSION: 2746 rval = SCSI_VERSION_2; 2747 break; 2748 case SCSI_CAP_INTERCONNECT_TYPE: 2749 rval = INTERCONNECT_USB; 2750 break; 2751 case SCSI_CAP_ARQ: 2752 /* FALLTHRU */ 2753 case SCSI_CAP_UNTAGGED_QING: 2754 rval = 1; 2755 break; 2756 default: 2757 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2758 "scsa2usb_scsi_getcap: unsupported cap = %s", cap); 2759 break; 2760 } 2761 2762 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2763 "scsa2usb_scsi_getcap: cap = %s, returned = %d", cap, rval); 2764 2765 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2766 2767 return (rval); 2768 } 2769 2770 2771 /* 2772 * scsa2usb_scsi_setcap: 2773 * Set SCSI capabilities. 2774 */ 2775 /* ARGSUSED */ 2776 static int 2777 scsa2usb_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom) 2778 { 2779 int rval = -1; /* default is cap undefined */ 2780 uint_t cidx; 2781 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap); 2782 ASSERT(scsa2usbp); 2783 2784 if (cap == NULL || whom == 0) { 2785 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2786 "scsa2usb_scsi_setcap: invalid arg"); 2787 2788 return (rval); 2789 } 2790 2791 mutex_enter(&scsa2usbp->scsa2usb_mutex); 2792 /* if device is disconnected (ie. pipes closed), fail immediately */ 2793 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 2794 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2795 2796 return (rval); 2797 } 2798 2799 cidx = scsi_hba_lookup_capstr(cap); 2800 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2801 "scsa2usb_scsi_setcap: ap = 0x%p value = 0x%x whom = 0x%x " 2802 "cidx = 0x%x", ap, value, whom, cidx); 2803 2804 switch (cidx) { 2805 case SCSI_CAP_SECTOR_SIZE: 2806 if (value) { 2807 scsa2usbp->scsa2usb_secsz[ap->a_lun] = value; 2808 } 2809 break; 2810 case SCSI_CAP_TOTAL_SECTORS: 2811 if (value) { 2812 scsa2usbp->scsa2usb_totalsec[ap->a_lun] = value; 2813 } 2814 break; 2815 case SCSI_CAP_ARQ: 2816 rval = 1; 2817 break; 2818 case SCSI_CAP_DMA_MAX: 2819 case SCSI_CAP_SCSI_VERSION: 2820 case SCSI_CAP_INTERCONNECT_TYPE: 2821 case SCSI_CAP_UNTAGGED_QING: 2822 /* supported but not settable */ 2823 rval = 0; 2824 break; 2825 default: 2826 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2827 "scsa2usb_scsi_setcap: unsupported cap = %s", cap); 2828 break; 2829 } 2830 2831 mutex_exit(&scsa2usbp->scsa2usb_mutex); 2832 2833 return (rval); 2834 } 2835 2836 2837 /* 2838 * scsa2usb - cmd and transport stuff 2839 */ 2840 /* 2841 * scsa2usb_prepare_pkt: 2842 * initialize some fields of the pkt and cmd 2843 * (the pkt may have been resubmitted/retried) 2844 */ 2845 static void 2846 scsa2usb_prepare_pkt(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt) 2847 { 2848 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 2849 2850 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2851 "scsa2usb_prepare_pkt: pkt=0x%p cdb: 0x%x (%s)", 2852 pkt, pkt->pkt_cdbp[0], 2853 scsi_cname(pkt->pkt_cdbp[0], scsa2usb_cmds)); 2854 2855 pkt->pkt_reason = CMD_CMPLT; /* Set reason to pkt_complete */ 2856 pkt->pkt_state = 0; /* Reset next three fields */ 2857 pkt->pkt_statistics = 0; 2858 pkt->pkt_resid = 0; 2859 bzero(pkt->pkt_scbp, cmd->cmd_scblen); /* Set status to good */ 2860 2861 if (cmd) { 2862 cmd->cmd_timeout = pkt->pkt_time; 2863 cmd->cmd_xfercount = 0; /* Reset the fields */ 2864 cmd->cmd_total_xfercount = 0; 2865 cmd->cmd_lba = 0; 2866 cmd->cmd_done = 0; 2867 cmd->cmd_dir = 0; 2868 cmd->cmd_offset = 0; 2869 cmd->cmd_actual_len = cmd->cmd_cdblen; 2870 } 2871 } 2872 2873 2874 /* 2875 * scsa2usb_force_invalid_request 2876 */ 2877 static void 2878 scsa2usb_force_invalid_request(scsa2usb_state_t *scsa2usbp, 2879 scsa2usb_cmd_t *cmd) 2880 { 2881 struct scsi_arq_status *arqp; 2882 2883 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2884 "scsa2usb_force_invalid_request: pkt = 0x%p", cmd->cmd_pkt); 2885 2886 if (cmd->cmd_scblen >= sizeof (struct scsi_arq_status)) { 2887 arqp = (struct scsi_arq_status *)cmd->cmd_pkt->pkt_scbp; 2888 bzero(arqp, cmd->cmd_scblen); 2889 2890 arqp->sts_status.sts_chk = 1; 2891 arqp->sts_rqpkt_reason = CMD_CMPLT; 2892 arqp->sts_rqpkt_state = STATE_XFERRED_DATA | 2893 STATE_GOT_BUS | STATE_GOT_STATUS; 2894 arqp->sts_sensedata.es_valid = 1; 2895 arqp->sts_sensedata.es_class = 7; 2896 arqp->sts_sensedata.es_key = KEY_ILLEGAL_REQUEST; 2897 2898 cmd->cmd_pkt->pkt_state = STATE_ARQ_DONE | 2899 STATE_GOT_BUS | STATE_GOT_BUS | STATE_GOT_BUS | 2900 STATE_GOT_STATUS; 2901 #ifdef DEBUG 2902 { 2903 uchar_t *p = (uchar_t *)(&arqp->sts_sensedata); 2904 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 2905 scsa2usbp->scsa2usb_log_handle, 2906 "cdb: %x rqsense: " 2907 "%x %x %x %x %x %x %x %x %x %x " 2908 "%x %x %x %x %x %x %x %x %x %x", 2909 cmd->cmd_pkt->pkt_cdbp[0], 2910 p[0], p[1], p[2], p[3], p[4], 2911 p[5], p[6], p[7], p[8], p[9], 2912 p[10], p[11], p[12], p[13], p[14], 2913 p[15], p[16], p[17], p[18], p[19]); 2914 } 2915 #endif 2916 2917 } 2918 } 2919 2920 2921 /* 2922 * scsa2usb_cmd_transport: 2923 */ 2924 static int 2925 scsa2usb_cmd_transport(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd) 2926 { 2927 int rval, transport; 2928 struct scsi_pkt *pkt; 2929 2930 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 2931 "scsa2usb_cmd_transport: pkt: 0x%p, cur_pkt = 0x%p", 2932 cmd->cmd_pkt, scsa2usbp->scsa2usb_cur_pkt); 2933 2934 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 2935 ASSERT(scsa2usbp->scsa2usb_cur_pkt == NULL); 2936 2937 pkt = scsa2usbp->scsa2usb_cur_pkt = cmd->cmd_pkt; 2938 2939 /* check black-listed attrs first */ 2940 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) { 2941 transport = scsa2usb_check_bulkonly_blacklist_attrs(scsa2usbp, 2942 cmd, pkt->pkt_cdbp[0]); 2943 } else if (SCSA2USB_IS_CB(scsa2usbp) || SCSA2USB_IS_CBI(scsa2usbp)) { 2944 transport = scsa2usb_check_ufi_blacklist_attrs(scsa2usbp, 2945 pkt->pkt_cdbp[0], cmd); 2946 } 2947 2948 /* just accept the command */ 2949 if (transport == SCSA2USB_JUST_ACCEPT) { 2950 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 2951 2952 return (TRAN_ACCEPT); 2953 } 2954 2955 /* check command set next */ 2956 if (SCSA2USB_IS_SCSI_CMDSET(scsa2usbp) || 2957 SCSA2USB_IS_ATAPI_CMDSET(scsa2usbp)) { 2958 transport = 2959 scsa2usb_handle_scsi_cmd_sub_class(scsa2usbp, cmd, pkt); 2960 } else if (SCSA2USB_IS_UFI_CMDSET(scsa2usbp)) { 2961 transport = 2962 scsa2usb_handle_ufi_subclass_cmd(scsa2usbp, cmd, pkt); 2963 } else { 2964 transport = SCSA2USB_REJECT; 2965 } 2966 2967 switch (transport) { 2968 case SCSA2USB_TRANSPORT: 2969 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) { 2970 rval = scsa2usb_bulk_only_transport(scsa2usbp, cmd); 2971 } else if (SCSA2USB_IS_CB(scsa2usbp) || 2972 SCSA2USB_IS_CBI(scsa2usbp)) { 2973 rval = scsa2usb_cbi_transport(scsa2usbp, cmd); 2974 } else { 2975 rval = TRAN_FATAL_ERROR; 2976 } 2977 break; 2978 case SCSA2USB_JUST_ACCEPT: 2979 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 2980 rval = TRAN_ACCEPT; 2981 break; 2982 default: 2983 rval = TRAN_FATAL_ERROR; 2984 } 2985 2986 return (rval); 2987 } 2988 2989 2990 /* 2991 * scsa2usb_check_bulkonly_blacklist_attrs: 2992 * validate "scsa2usb_blacklist_attrs" (see scsa2usb.h) 2993 * if blacklisted attrs match accept the request 2994 * attributes checked are:- 2995 * SCSA2USB_ATTRS_START_STOP 2996 */ 2997 int 2998 scsa2usb_check_bulkonly_blacklist_attrs(scsa2usb_state_t *scsa2usbp, 2999 scsa2usb_cmd_t *cmd, uchar_t opcode) 3000 { 3001 struct scsi_inquiry *inq = 3002 &scsa2usbp->scsa2usb_lun_inquiry[cmd->cmd_pkt->pkt_address.a_lun]; 3003 3004 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3005 "scsa2usb_check_bulkonly_blacklist_attrs: opcode = %s", 3006 scsi_cname(opcode, scsa2usb_cmds)); 3007 3008 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3009 3010 /* 3011 * decode and convert the packet 3012 * for most cmds, we can bcopy the cdb 3013 */ 3014 switch (opcode) { 3015 case SCMD_DOORLOCK: 3016 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_DOORLOCK)) { 3017 3018 return (SCSA2USB_JUST_ACCEPT); 3019 3020 /* 3021 * only lock the door for CD and DVD drives 3022 */ 3023 } else if ((inq->inq_dtype == DTYPE_RODIRECT) || 3024 (inq->inq_dtype == DTYPE_OPTICAL)) { 3025 3026 if (inq->inq_rmb) { 3027 3028 break; 3029 } 3030 } 3031 3032 return (SCSA2USB_JUST_ACCEPT); 3033 3034 case SCMD_START_STOP: 3035 /* 3036 * these devices don't have mechanics that spin the 3037 * media up and down. So, it doesn't make much sense 3038 * to issue this cmd. 3039 * 3040 * Furthermore, Hagiwara devices do not handle these 3041 * cmds well. just accept this command as success. 3042 */ 3043 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_START_STOP)) { 3044 3045 return (SCSA2USB_JUST_ACCEPT); 3046 3047 } else if (cmd->cmd_pkt->pkt_cdbp[4] & LOEJECT) { 3048 /* 3049 * if the device is really a removable then 3050 * pass it on to the device, else just accept 3051 */ 3052 if (inq->inq_rmb) { 3053 3054 break; 3055 } 3056 3057 return (SCSA2USB_JUST_ACCEPT); 3058 3059 } else if (!scsa2usbp->scsa2usb_rcvd_not_ready) { 3060 /* 3061 * if we have not received a NOT READY condition, 3062 * just accept since some device choke on this too. 3063 * we do have to let EJECT get through though 3064 */ 3065 return (SCSA2USB_JUST_ACCEPT); 3066 } 3067 3068 break; 3069 case SCMD_INQUIRY: 3070 /* 3071 * Some devices do not handle the inquiry cmd well 3072 * so build an inquiry and accept this command as 3073 * success. 3074 */ 3075 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_INQUIRY)) { 3076 uchar_t evpd = 0x01; 3077 3078 if (cmd->cmd_cdb[1] & evpd) { 3079 3080 return (SCSA2USB_REJECT); 3081 } 3082 cmd->cmd_pkt->pkt_resid -= 3083 scsa2usb_fake_inquiry(scsa2usbp, cmd, 3084 cmd->cmd_pkt->pkt_address.a_lun); 3085 cmd->cmd_pkt->pkt_state |= STATE_XFERRED_DATA; 3086 3087 return (SCSA2USB_JUST_ACCEPT); 3088 } 3089 break; 3090 3091 /* 3092 * Fake accepting the following Opcodes 3093 * (as most drives don't support these) 3094 * These are needed by format command. 3095 */ 3096 case SCMD_RESERVE: 3097 case SCMD_RELEASE: 3098 case SCMD_PERSISTENT_RESERVE_IN: 3099 case SCMD_PERSISTENT_RESERVE_OUT: 3100 3101 return (SCSA2USB_JUST_ACCEPT); 3102 3103 case SCMD_MODE_SENSE: 3104 case SCMD_MODE_SELECT: 3105 case SCMD_MODE_SENSE_G1: 3106 case SCMD_MODE_SELECT_G1: 3107 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_MODE_SENSE)) { 3108 if (cmd->cmd_bp) { 3109 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp-> 3110 b_bcount; 3111 } 3112 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3113 3114 return (SCSA2USB_JUST_ACCEPT); 3115 } 3116 3117 break; 3118 default: 3119 3120 break; 3121 } 3122 3123 return (SCSA2USB_TRANSPORT); 3124 } 3125 3126 3127 /* 3128 * scsa2usb_handle_scsi_cmd_sub_class: 3129 * prepare a scsi cmd 3130 * returns SCSA2USB_TRANSPORT, SCSA2USB_REJECT, SCSA2USB_JUST_ACCEPT 3131 */ 3132 int 3133 scsa2usb_handle_scsi_cmd_sub_class(scsa2usb_state_t *scsa2usbp, 3134 scsa2usb_cmd_t *cmd, struct scsi_pkt *pkt) 3135 { 3136 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3137 "scsa2usb_handle_scsi_cmd_sub_class: cmd = 0x%p pkt = 0x%p", 3138 cmd, pkt); 3139 3140 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3141 3142 bzero(&cmd->cmd_cdb, SCSI_CDB_SIZE); 3143 cmd->cmd_cdb[SCSA2USB_OPCODE] = pkt->pkt_cdbp[0]; /* Set the opcode */ 3144 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1]; 3145 3146 /* 3147 * decode and convert the packet 3148 * for most cmds, we can bcopy the cdb 3149 */ 3150 switch (pkt->pkt_cdbp[0]) { 3151 case SCMD_FORMAT: 3152 /* 3153 * SCMD_FORMAT used to limit cmd->cmd_xfercount 3154 * to 4 bytes, but this hangs 3155 * formatting dvd media using cdrecord (that is, 3156 * a SCSI FORMAT UNIT command with a parameter list > 4 bytes) 3157 * (bit 4 in cdb1 is the Fmtdata bit) 3158 */ 3159 if ((pkt->pkt_cdbp[1] & 0x10) && cmd->cmd_bp) { 3160 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount; 3161 } else { 3162 cmd->cmd_xfercount = 4; 3163 } 3164 cmd->cmd_dir = CBW_DIR_OUT; 3165 cmd->cmd_actual_len = CDB_GROUP0; 3166 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3167 break; 3168 3169 case SCMD_INQUIRY: 3170 cmd->cmd_dir = CBW_DIR_IN; 3171 cmd->cmd_actual_len = CDB_GROUP0; 3172 cmd->cmd_cdb[SCSA2USB_LBA_0] = pkt->pkt_cdbp[2]; 3173 cmd->cmd_cdb[SCSA2USB_LBA_2] = cmd->cmd_xfercount = 3174 min(SCSA2USB_MAX_INQ_LEN, 3175 cmd->cmd_bp ? cmd->cmd_bp->b_bcount : 0); 3176 break; 3177 3178 case SCMD_READ_CAPACITY: 3179 cmd->cmd_dir = CBW_DIR_IN; 3180 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3181 cmd->cmd_xfercount = sizeof (scsa2usb_read_cap_t); 3182 break; 3183 3184 /* 3185 * SCMD_READ/SCMD_WRITE are converted to G1 cmds 3186 * (as ATAPI devices don't recognize G0 commands) 3187 * 3188 * SCMD_READ_LONG/SCMD_WRITE_LONG are handled in 3189 * scsa2usb_rw_transport() along with other commands. 3190 * 3191 * USB Host Controllers cannot handle large (read/write) 3192 * xfers. We split the large request to chunks of 3193 * smaller ones to meet the HCD limitations. 3194 */ 3195 case SCMD_READ: 3196 case SCMD_WRITE: 3197 case SCMD_READ_G1: 3198 case SCMD_WRITE_G1: 3199 case SCMD_READ_G5: 3200 case SCMD_WRITE_G5: 3201 case SCMD_READ_LONG: 3202 case SCMD_WRITE_LONG: 3203 case SCMD_READ_CD: 3204 switch (scsa2usbp-> 3205 scsa2usb_lun_inquiry[pkt->pkt_address.a_lun]. 3206 inq_dtype & DTYPE_MASK) { 3207 case DTYPE_DIRECT: 3208 case DTYPE_RODIRECT: 3209 case DTYPE_OPTICAL: 3210 return (scsa2usb_rw_transport( 3211 scsa2usbp, pkt)); 3212 default: 3213 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3214 if (cmd->cmd_bp) { 3215 cmd->cmd_dir = 3216 (cmd->cmd_bp->b_flags & B_READ) ? 3217 CBW_DIR_IN : CBW_DIR_OUT; 3218 cmd->cmd_xfercount = 3219 cmd->cmd_bp->b_bcount; 3220 } 3221 break; 3222 } 3223 break; 3224 3225 case SCMD_REQUEST_SENSE: 3226 cmd->cmd_dir = CBW_DIR_IN; 3227 cmd->cmd_xfercount = pkt->pkt_cdbp[4]; 3228 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4]; 3229 cmd->cmd_actual_len = CDB_GROUP0; 3230 break; 3231 3232 case SCMD_DOORLOCK: 3233 case SCMD_START_STOP: 3234 case SCMD_TEST_UNIT_READY: 3235 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3236 break; 3237 3238 /* 3239 * Needed by zip protocol to reset the device 3240 */ 3241 case SCMD_SDIAG: 3242 case SCMD_REZERO_UNIT: 3243 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3244 cmd->cmd_actual_len = CDB_GROUP1; 3245 break; 3246 3247 case SCMD_WRITE_VERIFY: 3248 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3249 cmd->cmd_dir = CBW_DIR_OUT; 3250 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3251 cmd->cmd_actual_len = CDB_GROUP1; 3252 break; 3253 3254 /* 3255 * Next command does not have a SCSI equivalent as 3256 * it is vendor specific. 3257 * It was listed in the vendor's ATAPI Zip specs. 3258 */ 3259 case SCMD_READ_FORMAT_CAP: 3260 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3261 cmd->cmd_dir = CBW_DIR_IN; 3262 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3263 cmd->cmd_actual_len = CDB_GROUP1; 3264 break; 3265 case IOMEGA_CMD_CARTRIDGE_PROTECT: 3266 cmd->cmd_dir = CBW_DIR_OUT; 3267 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4]; 3268 cmd->cmd_cdb[SCSA2USB_LBA_2] &= ~1; /* Make it even */ 3269 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1]; 3270 cmd->cmd_actual_len = CDB_GROUP0; 3271 cmd->cmd_xfercount = pkt->pkt_cdbp[4]; /* Length of password */ 3272 break; 3273 3274 /* 3275 * Do not convert SCMD_MODE_SENSE/SELECT to G1 cmds because 3276 * the mode header is different as well. USB devices don't 3277 * support 0x03 & 0x04 mode pages, which are already obsoleted 3278 * by SPC-2 specification. 3279 */ 3280 case SCMD_MODE_SENSE: 3281 case SCMD_MODE_SELECT: 3282 if ((pkt->pkt_cdbp[2] == SD_MODE_SENSE_PAGE3_CODE) || 3283 (pkt->pkt_cdbp[2] == SD_MODE_SENSE_PAGE4_CODE)) { 3284 if (cmd->cmd_bp) { 3285 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->b_bcount; 3286 } 3287 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3288 return (SCSA2USB_JUST_ACCEPT); 3289 } 3290 /* FALLTHROUGH */ 3291 3292 default: 3293 /* 3294 * an unknown command may be a uscsi cmd which we 3295 * should let go thru without mapping 3296 */ 3297 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3298 if (cmd->cmd_bp) { 3299 cmd->cmd_dir = (cmd->cmd_bp->b_flags & B_READ) ? 3300 CBW_DIR_IN : CBW_DIR_OUT; 3301 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount; 3302 } 3303 3304 break; 3305 } /* end of switch */ 3306 3307 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3308 "scsa2usb_handle_scsi_cmd_sub_class: opcode = 0x%x count = 0x%lx", 3309 pkt->pkt_cdbp[SCSA2USB_OPCODE], cmd->cmd_xfercount); 3310 3311 cmd->cmd_total_xfercount = cmd->cmd_xfercount; 3312 3313 return (SCSA2USB_TRANSPORT); 3314 } 3315 3316 3317 /* 3318 * scsa2usb_do_tur is performed before READ CAPACITY command is issued. 3319 * It returns media status, 0 for media ready, -1 for media not ready 3320 * or other errors. 3321 */ 3322 static int 3323 scsa2usb_do_tur(scsa2usb_state_t *scsa2usbp, struct scsi_address *ap) 3324 { 3325 struct scsi_pkt *pkt; 3326 scsa2usb_cmd_t *turcmd; 3327 int rval = -1; 3328 3329 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3330 "scsa2usb_do_tur:"); 3331 3332 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3333 3334 mutex_exit(&scsa2usbp->scsa2usb_mutex); 3335 if ((pkt = scsi_init_pkt(ap, NULL, NULL, CDB_GROUP0, 1, 3336 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL)) == NULL) { 3337 mutex_enter(&scsa2usbp->scsa2usb_mutex); 3338 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 3339 scsa2usbp->scsa2usb_log_handle, 3340 "scsa2usb_do_tur: init pkt failed"); 3341 3342 return (rval); 3343 } 3344 3345 RQ_MAKECOM_G0(pkt, FLAG_HEAD | FLAG_NODISCON, 3346 (char)SCMD_TEST_UNIT_READY, 0, 0); 3347 3348 pkt->pkt_comp = NULL; 3349 pkt->pkt_time = PKT_DEFAULT_TIMEOUT; 3350 turcmd = PKT2CMD(pkt); 3351 3352 mutex_enter(&scsa2usbp->scsa2usb_mutex); 3353 scsa2usb_prepare_pkt(scsa2usbp, turcmd->cmd_pkt); 3354 3355 if (scsa2usb_cmd_transport(scsa2usbp, turcmd) != TRAN_ACCEPT) { 3356 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 3357 scsa2usbp->scsa2usb_log_handle, 3358 "scsa2usb_do_tur: cmd transport failed, " 3359 "pkt_reason=0x%x", turcmd->cmd_pkt->pkt_reason); 3360 } else if (*(turcmd->cmd_pkt->pkt_scbp) != STATUS_GOOD) { 3361 /* 3362 * Theoretically, the sense data should be retrieved and 3363 * sense key be checked when check condition happens. If 3364 * the sense key is UNIT ATTENTION, TEST UNIT READY cmd 3365 * needs to be sent again to clear the UNIT ATTENTION and 3366 * another TUR to be sent to get the real media status. 3367 * But the AMI virtual floppy device simply cannot recover 3368 * from UNIT ATTENTION by re-sending a TUR cmd, so it 3369 * doesn't make any difference whether to check sense key 3370 * or not. Just ignore sense key checking here and assume 3371 * the device is NOT READY. 3372 */ 3373 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 3374 scsa2usbp->scsa2usb_log_handle, 3375 "scsa2usb_do_tur: media not ready"); 3376 } else { 3377 rval = 0; 3378 } 3379 3380 mutex_exit(&scsa2usbp->scsa2usb_mutex); 3381 scsi_destroy_pkt(pkt); 3382 mutex_enter(&scsa2usbp->scsa2usb_mutex); 3383 3384 return (rval); 3385 } 3386 3387 3388 /* 3389 * scsa2usb_check_ufi_blacklist_attrs: 3390 * validate "scsa2usb_blacklist_attrs" (see scsa2usb.h) 3391 * if blacklisted attrs match accept the request 3392 * attributes checked are:- 3393 * SCSA2USB_ATTRS_GET_CONF 3394 * SCSA2USB_ATTRS_GET_PERF 3395 * SCSA2USB_ATTRS_GET_START_STOP 3396 */ 3397 static int 3398 scsa2usb_check_ufi_blacklist_attrs(scsa2usb_state_t *scsa2usbp, uchar_t opcode, 3399 scsa2usb_cmd_t *cmd) 3400 { 3401 int rval = SCSA2USB_TRANSPORT; 3402 3403 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3404 3405 switch (opcode) { 3406 case SCMD_PRIN: 3407 case SCMD_PROUT: 3408 rval = SCSA2USB_JUST_ACCEPT; 3409 break; 3410 case SCMD_MODE_SENSE: 3411 case SCMD_MODE_SELECT: 3412 if (cmd->cmd_bp) { 3413 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->b_bcount; 3414 } 3415 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3416 rval = SCSA2USB_JUST_ACCEPT; 3417 break; 3418 case SCMD_GET_CONFIGURATION: 3419 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_CONF)) { 3420 rval = SCSA2USB_JUST_ACCEPT; 3421 } 3422 break; 3423 case SCMD_GET_PERFORMANCE: 3424 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_PERF)) { 3425 rval = SCSA2USB_JUST_ACCEPT; 3426 } 3427 break; 3428 case SCMD_START_STOP: 3429 /* 3430 * some CB/CBI devices don't have mechanics that spin the 3431 * media up and down. So, it doesn't make much sense 3432 * to issue this cmd to those devices. 3433 */ 3434 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_START_STOP)) { 3435 rval = SCSA2USB_JUST_ACCEPT; 3436 } 3437 break; 3438 case SCMD_READ_CAPACITY: 3439 /* 3440 * Some devices don't support READ CAPACITY command 3441 * when media is not ready. Need to check media status 3442 * before issuing the cmd to such device. 3443 */ 3444 if (!(scsa2usbp->scsa2usb_attrs & 3445 SCSA2USB_ATTRS_NO_MEDIA_CHECK)) { 3446 struct scsi_pkt *pkt = cmd->cmd_pkt; 3447 3448 ASSERT(scsa2usbp->scsa2usb_cur_pkt == pkt); 3449 scsa2usbp->scsa2usb_cur_pkt = NULL; 3450 3451 if (scsa2usb_do_tur(scsa2usbp, 3452 &pkt->pkt_address) != 0) { 3453 /* media not ready, force cmd invalid */ 3454 if (cmd->cmd_bp) { 3455 cmd->cmd_pkt->pkt_resid = 3456 cmd->cmd_bp->b_bcount; 3457 } 3458 scsa2usb_force_invalid_request(scsa2usbp, cmd); 3459 rval = SCSA2USB_JUST_ACCEPT; 3460 } 3461 3462 scsa2usbp->scsa2usb_cur_pkt = pkt; 3463 } 3464 break; 3465 default: 3466 break; 3467 } 3468 3469 return (rval); 3470 } 3471 3472 3473 /* 3474 * scsa2usb_handle_ufi_subclass_cmd: 3475 * prepare a UFI cmd 3476 * returns SCSA2USB_TRANSPORT, SCSA2USB_REJECT 3477 */ 3478 int 3479 scsa2usb_handle_ufi_subclass_cmd(scsa2usb_state_t *scsa2usbp, 3480 scsa2usb_cmd_t *cmd, struct scsi_pkt *pkt) 3481 { 3482 uchar_t opcode = pkt->pkt_cdbp[0]; 3483 3484 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3485 "scsa2usb_handle_ufi_subclass_cmd: cmd = 0x%p pkt = 0x%p", 3486 cmd, pkt); 3487 3488 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3489 3490 bzero(&cmd->cmd_cdb, SCSI_CDB_SIZE); 3491 cmd->cmd_cdb[SCSA2USB_OPCODE] = opcode; /* Set the opcode */ 3492 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1]; 3493 3494 /* 3495 * decode and convert the packet if necessary 3496 * for most cmds, we can bcopy the cdb 3497 */ 3498 switch (opcode) { 3499 case SCMD_FORMAT: 3500 /* if parameter list is specified */ 3501 if (pkt->pkt_cdbp[1] & 0x10) { 3502 cmd->cmd_xfercount = 3503 (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3504 cmd->cmd_dir = USB_EP_DIR_OUT; 3505 cmd->cmd_actual_len = CDB_GROUP5; 3506 } 3507 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3508 break; 3509 case SCMD_INQUIRY: 3510 cmd->cmd_dir = USB_EP_DIR_IN; 3511 cmd->cmd_actual_len = CDB_GROUP0; 3512 cmd->cmd_cdb[SCSA2USB_LBA_0] = pkt->pkt_cdbp[2]; 3513 cmd->cmd_cdb[SCSA2USB_LBA_2] = cmd->cmd_xfercount = 3514 min(SCSA2USB_MAX_INQ_LEN, 3515 cmd->cmd_bp ? cmd->cmd_bp->b_bcount : 0); 3516 break; 3517 case SCMD_READ_CAPACITY: 3518 cmd->cmd_dir = USB_EP_DIR_IN; 3519 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3520 cmd->cmd_xfercount = sizeof (scsa2usb_read_cap_t); 3521 break; 3522 case SCMD_REQUEST_SENSE: 3523 cmd->cmd_dir = USB_EP_DIR_IN; 3524 cmd->cmd_xfercount = pkt->pkt_cdbp[4]; 3525 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4]; 3526 cmd->cmd_actual_len = CDB_GROUP0; 3527 break; 3528 3529 /* 3530 * do not convert SCMD_MODE_SENSE/SELECT because the 3531 * mode header is different as well 3532 */ 3533 3534 /* 3535 * see usb_bulkonly.c for comments on the next set of commands 3536 */ 3537 case SCMD_READ: 3538 case SCMD_WRITE: 3539 case SCMD_READ_G1: 3540 case SCMD_WRITE_G1: 3541 case SCMD_READ_G5: 3542 case SCMD_WRITE_G5: 3543 case SCMD_READ_LONG: 3544 case SCMD_WRITE_LONG: 3545 case SCMD_READ_CD: 3546 3547 return (scsa2usb_rw_transport(scsa2usbp, pkt)); 3548 3549 case SCMD_TEST_UNIT_READY: 3550 /* 3551 * Some CB/CBI devices may not support TUR. 3552 */ 3553 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3554 break; 3555 case SCMD_READ_FORMAT_CAP: 3556 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3557 cmd->cmd_dir = USB_EP_DIR_IN; 3558 cmd->cmd_actual_len = CDB_GROUP1; 3559 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3560 break; 3561 case SCMD_WRITE_VERIFY: 3562 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3563 cmd->cmd_dir = USB_EP_DIR_OUT; 3564 cmd->cmd_actual_len = CDB_GROUP1; 3565 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8]; 3566 break; 3567 case SCMD_START_STOP: 3568 /* A larger timeout is needed for 'flaky' CD-RW devices */ 3569 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_BIG_TIMEOUT)) { 3570 cmd->cmd_timeout = max(cmd->cmd_timeout, 3571 20 * SCSA2USB_BULK_PIPE_TIMEOUT); 3572 } 3573 /* FALLTHRU */ 3574 default: 3575 /* 3576 * all other commands don't need special mapping 3577 */ 3578 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3579 if (cmd->cmd_bp) { 3580 cmd->cmd_dir = (cmd->cmd_bp->b_flags & B_READ) ? 3581 CBW_DIR_IN : CBW_DIR_OUT; 3582 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount; 3583 } 3584 break; 3585 3586 } /* end of switch */ 3587 3588 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3589 "scsa2usb_handle_ufi_subclass_cmd: opcode = 0x%x count = 0x%lx", 3590 opcode, cmd->cmd_xfercount); 3591 3592 cmd->cmd_total_xfercount = cmd->cmd_xfercount; 3593 3594 return (SCSA2USB_TRANSPORT); 3595 } 3596 3597 3598 /* 3599 * scsa2usb_rw_transport: 3600 * Handle splitting READ and WRITE requests to the 3601 * device to a size that the host controller allows. 3602 * 3603 * returns TRAN_* values and not USB_SUCCESS/FAILURE 3604 * 3605 * To support CD-R/CD-RW/DVD media, we need to support a 3606 * variety of block sizes for the different types of CD 3607 * data (audio, data, video, CD-XA, yellowbook, redbook etc.) 3608 * 3609 * Some of the block sizes used are:- 512, 1k, 2k, 2056, 2336 3610 * 2340, 2352, 2368, 2448, 2646, 2647 etc. 3611 * 3612 * NOTE: the driver could be entertaining a SCSI CDB that uses 3613 * any of the above listed block sizes at a given time, and a 3614 * totally different block size at any other given time for a 3615 * different CDB. 3616 * 3617 * We need to compute block size every time and figure out 3618 * matching LBA and LEN accordingly. 3619 * 3620 * Also UHCI has a limitation that it can only xfer 32k at a 3621 * given time. So, with "odd" sized blocks and a limitation of 3622 * how much we can xfer per shot, we need to compute xfer_count 3623 * as well each time. 3624 * 3625 * The same computation is also done in the function 3626 * scsa2usb_setup_next_xfer(). To save computing block_size in 3627 * this function, I am saving block_size in "cmd" now. 3628 */ 3629 int 3630 scsa2usb_rw_transport(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt) 3631 { 3632 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 3633 int lba, dir, opcode; 3634 struct buf *bp = cmd->cmd_bp; 3635 size_t len, xfer_count; 3636 size_t blk_size; /* calculate the block size to be used */ 3637 int sz; 3638 3639 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3640 "scsa2usb_rw_transport:"); 3641 3642 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3643 3644 opcode = pkt->pkt_cdbp[0]; 3645 blk_size = scsa2usbp->scsa2usb_lbasize[pkt->pkt_address.a_lun]; 3646 /* set to default */ 3647 3648 switch (opcode) { 3649 case SCMD_READ: 3650 /* 3651 * Note that READ/WRITE(6) are not supported by the drive. 3652 * convert it into a 10 byte read/write. 3653 */ 3654 lba = SCSA2USB_LBA_6BYTE(pkt); 3655 len = SCSA2USB_LEN_6BYTE(pkt); 3656 opcode = SCMD_READ_G1; /* Overwrite it w/ byte 10 cmd val */ 3657 dir = USB_EP_DIR_IN; 3658 break; 3659 case SCMD_WRITE: 3660 lba = SCSA2USB_LBA_6BYTE(pkt); 3661 len = SCSA2USB_LEN_6BYTE(pkt); 3662 opcode = SCMD_WRITE_G1; /* Overwrite it w/ byte 10 cmd val */ 3663 dir = USB_EP_DIR_OUT; 3664 break; 3665 case SCMD_READ_G1: 3666 case SCMD_READ_LONG: 3667 lba = SCSA2USB_LBA_10BYTE(pkt); 3668 len = SCSA2USB_LEN_10BYTE(pkt); 3669 dir = USB_EP_DIR_IN; 3670 break; 3671 case SCMD_WRITE_G1: 3672 case SCMD_WRITE_LONG: 3673 lba = SCSA2USB_LBA_10BYTE(pkt); 3674 len = SCSA2USB_LEN_10BYTE(pkt); 3675 dir = USB_EP_DIR_OUT; 3676 if (len) { 3677 sz = SCSA2USB_CDRW_BLKSZ(bp ? bp->b_bcount : 0, len); 3678 if (SCSA2USB_VALID_CDRW_BLKSZ(sz)) { 3679 blk_size = sz; /* change it accordingly */ 3680 } 3681 } 3682 break; 3683 case SCMD_READ_CD: 3684 lba = SCSA2USB_LBA_10BYTE(pkt); 3685 len = SCSA2USB_LEN_READ_CD(pkt); 3686 dir = USB_EP_DIR_IN; 3687 3688 /* Figure out the block size */ 3689 blk_size = scsa2usb_read_cd_blk_size(pkt->pkt_cdbp[1] >> 2); 3690 break; 3691 case SCMD_READ_G5: 3692 lba = SCSA2USB_LBA_12BYTE(pkt); 3693 len = SCSA2USB_LEN_12BYTE(pkt); 3694 dir = USB_EP_DIR_IN; 3695 break; 3696 case SCMD_WRITE_G5: 3697 lba = SCSA2USB_LBA_12BYTE(pkt); 3698 len = SCSA2USB_LEN_12BYTE(pkt); 3699 dir = USB_EP_DIR_OUT; 3700 break; 3701 } 3702 3703 cmd->cmd_total_xfercount = xfer_count = len * blk_size; 3704 3705 /* reduce xfer count if necessary */ 3706 if (blk_size && 3707 (xfer_count > scsa2usbp->scsa2usb_max_bulk_xfer_size)) { 3708 /* 3709 * For CD-RW devices reduce the xfer count based 3710 * on the block size used by these devices. The 3711 * block size could change for READ_CD and WRITE 3712 * opcodes. 3713 * 3714 * Also as UHCI allows a max xfer of 32k at a time; 3715 * compute the xfer_count based on the new block_size. 3716 * 3717 * The len part of the cdb changes as a result of that. 3718 */ 3719 if (SCSA2USB_VALID_CDRW_BLKSZ(blk_size)) { 3720 xfer_count = ((scsa2usbp->scsa2usb_max_bulk_xfer_size/ 3721 blk_size) * blk_size); 3722 len = xfer_count/blk_size; 3723 xfer_count = blk_size * len; 3724 } else { 3725 xfer_count = scsa2usbp->scsa2usb_max_bulk_xfer_size; 3726 len = xfer_count/blk_size; 3727 } 3728 } 3729 3730 cmd->cmd_xfercount = xfer_count; 3731 cmd->cmd_dir = (uchar_t)dir; 3732 cmd->cmd_blksize = blk_size; 3733 3734 /* 3735 * Having figure out the 'partial' xfer len based on he 3736 * block size; fill it in to the cmd->cmd_cdb 3737 */ 3738 cmd->cmd_cdb[SCSA2USB_OPCODE] = (uchar_t)opcode; 3739 switch (opcode) { 3740 case SCMD_READ_CD: 3741 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen); 3742 scsa2usb_fill_up_ReadCD_cdb_len(cmd, len, CDB_GROUP5); 3743 break; 3744 case SCMD_WRITE_G5: 3745 case SCMD_READ_G5: 3746 scsa2usb_fill_up_12byte_cdb_len(cmd, len, CDB_GROUP5); 3747 break; 3748 default: 3749 scsa2usb_fill_up_cdb_len(cmd, len); 3750 cmd->cmd_actual_len = CDB_GROUP1; 3751 break; 3752 } 3753 3754 scsa2usb_fill_up_cdb_lba(cmd, lba); 3755 3756 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3757 "bcount=0x%lx lba=0x%x len=0x%lx xfercount=0x%lx total=0x%lx", 3758 bp ? bp->b_bcount : 0, lba, len, cmd->cmd_xfercount, 3759 cmd->cmd_total_xfercount); 3760 3761 /* Set the timeout value as per command request */ 3762 if ((opcode == SCMD_WRITE_G1) && SCSA2USB_VALID_CDRW_BLKSZ(blk_size)) { 3763 /* 3764 * We increase the time as CD-RW writes have two things 3765 * to do. After writing out the data to the media, a 3766 * TOC needs to be filled up at the beginning of the media 3767 * This is when the write gets "finalized". 3768 * Hence the actual write could take longer than the 3769 * value specified in cmd->cmd_timeout. 3770 */ 3771 cmd->cmd_timeout *= 4; 3772 3773 USB_DPRINTF_L4(DPRINT_MASK_SCSA, 3774 scsa2usbp->scsa2usb_log_handle, 3775 "new timeout value = 0x%x", cmd->cmd_timeout); 3776 } 3777 3778 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3779 "lba 0x%x len 0x%lx xfercount 0x%lx total 0x%lx", 3780 lba, len, cmd->cmd_xfercount, cmd->cmd_total_xfercount); 3781 3782 return (SCSA2USB_TRANSPORT); 3783 } 3784 3785 3786 /* 3787 * scsa2usb_setup_next_xfer: 3788 * For READs and WRITEs we split up the transfer in terms of 3789 * HCD understood units. This function handles the split transfers. 3790 * 3791 * See comments in the previous function scsa2usb_rw_transport 3792 * 3793 * The lba computation was being done based on scsa2usb_max_bulk_xfer_size 3794 * earlier. With CD-RW devices, the xfer_count and the block_size may 3795 * no longer be a multiple of scsa2usb_max_bulk_xfer_size. So compute 3796 * xfer_count all over again. Adjust lba, based on the previous requests' 3797 * len. Find out the len and add it to cmd->cmd_lba to get the new lba 3798 */ 3799 void 3800 scsa2usb_setup_next_xfer(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd) 3801 { 3802 int xfer_len = min(scsa2usbp->scsa2usb_max_bulk_xfer_size, 3803 cmd->cmd_total_xfercount); 3804 int cdb_len; 3805 size_t blk_size; 3806 3807 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 3808 3809 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3810 "scsa2usb_setup_next_xfer: opcode = 0x%x lba = 0x%x " 3811 "total count = 0x%lx", cmd->cmd_cdb[SCSA2USB_OPCODE], 3812 cmd->cmd_lba, cmd->cmd_total_xfercount); 3813 3814 ASSERT(cmd->cmd_total_xfercount > 0); 3815 cmd->cmd_xfercount = xfer_len; 3816 blk_size = scsa2usbp->scsa2usb_lbasize[ 3817 cmd->cmd_pkt->pkt_address.a_lun]; 3818 3819 /* 3820 * For CD-RW devices reduce the xfer count based on the 3821 * block_size used by these devices. See changes below 3822 * where xfer_count is being adjusted. 3823 * 3824 * Also adjust len/lba based on the block_size and xfer_count. 3825 * NOTE: Always calculate lba first, as it based on previous 3826 * commands' values. 3827 */ 3828 switch (cmd->cmd_cdb[SCSA2USB_OPCODE]) { 3829 case SCMD_READ_CD: 3830 /* calculate lba = current_lba + len_of_prev_cmd */ 3831 cmd->cmd_lba += (cmd->cmd_cdb[6] << 16) + 3832 (cmd->cmd_cdb[7] << 8) + cmd->cmd_cdb[8]; 3833 cdb_len = xfer_len/cmd->cmd_blksize; 3834 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_2] = (uchar_t)cdb_len; 3835 /* re-adjust xfer count */ 3836 cmd->cmd_xfercount = cdb_len * cmd->cmd_blksize; 3837 break; 3838 case SCMD_WRITE_G5: 3839 case SCMD_READ_G5: 3840 /* calculate lba = current_lba + len_of_prev_cmd */ 3841 cmd->cmd_lba += (cmd->cmd_cdb[6] << 24) + 3842 (cmd->cmd_cdb[7] << 16) + (cmd->cmd_cdb[8] << 8) + 3843 cmd->cmd_cdb[9]; 3844 if (blk_size) { 3845 xfer_len /= blk_size; 3846 } 3847 scsa2usb_fill_up_12byte_cdb_len(cmd, xfer_len, CDB_GROUP5); 3848 break; 3849 case SCMD_WRITE_G1: 3850 case SCMD_WRITE_LONG: 3851 /* calculate lba = current_lba + len_of_prev_cmd */ 3852 cmd->cmd_lba += (cmd->cmd_cdb[7] << 8) + cmd->cmd_cdb[8]; 3853 if (SCSA2USB_VALID_CDRW_BLKSZ(cmd->cmd_blksize)) { 3854 blk_size = cmd->cmd_blksize; 3855 } 3856 cdb_len = xfer_len/blk_size; 3857 scsa2usb_fill_up_cdb_len(cmd, cdb_len); 3858 /* re-adjust xfer count */ 3859 cmd->cmd_xfercount = cdb_len * blk_size; 3860 break; 3861 default: 3862 if (blk_size) { 3863 xfer_len /= blk_size; 3864 } 3865 scsa2usb_fill_up_cdb_len(cmd, xfer_len); 3866 cmd->cmd_lba += scsa2usbp->scsa2usb_max_bulk_xfer_size/blk_size; 3867 } 3868 3869 /* fill in the lba */ 3870 scsa2usb_fill_up_cdb_lba(cmd, cmd->cmd_lba); 3871 3872 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3873 "scsa2usb_setup_next_xfer:\n\tlba = 0x%x xfer_len = 0x%x " 3874 "xfercount = 0x%lx total = 0x%lx", cmd->cmd_lba, xfer_len, 3875 cmd->cmd_xfercount, cmd->cmd_total_xfercount); 3876 } 3877 3878 3879 /* 3880 * take one request from the lun's waitQ and transport it 3881 */ 3882 static void 3883 scsa2usb_transport_request(scsa2usb_state_t *scsa2usbp, uint_t lun) 3884 { 3885 int rval; 3886 struct scsi_pkt *pkt; 3887 struct scsa2usb_cmd *cmd, *arqcmd; 3888 3889 if ((cmd = (scsa2usb_cmd_t *) 3890 usba_rm_first_pvt_from_list( 3891 &scsa2usbp->scsa2usb_waitQ[lun])) == NULL) { 3892 3893 return; 3894 } 3895 pkt = cmd->cmd_pkt; 3896 3897 /* 3898 * if device has been disconnected, just complete it 3899 */ 3900 if (scsa2usbp->scsa2usb_dev_state == USB_DEV_DISCONNECTED) { 3901 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 3902 "device not accessible"); 3903 pkt->pkt_reason = CMD_DEV_GONE; 3904 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 3905 scsa2usb_pkt_completion(scsa2usbp, pkt); 3906 3907 return; 3908 } 3909 3910 USB_DPRINTF_L4(DPRINT_MASK_SCSA, 3911 scsa2usbp->scsa2usb_log_handle, 3912 "scsa2usb_transport_request: cmd=0x%p bp=0x%p addr=0x%p", 3913 cmd, cmd->cmd_bp, 3914 (cmd->cmd_bp ? cmd->cmd_bp->b_un.b_addr : NULL)); 3915 3916 rval = scsa2usb_cmd_transport(scsa2usbp, cmd); 3917 3918 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 3919 scsa2usbp->scsa2usb_log_handle, 3920 "scsa2usb_transport_request: transport rval = %d", 3921 rval); 3922 3923 if (scsa2usbp->scsa2usb_cur_pkt == NULL) { 3924 3925 return; 3926 } 3927 3928 ASSERT(pkt == scsa2usbp->scsa2usb_cur_pkt); 3929 3930 if (ddi_in_panic()) { 3931 pkt->pkt_reason = CMD_CMPLT; 3932 scsa2usb_pkt_completion(scsa2usbp, pkt); 3933 3934 return; 3935 } 3936 3937 /* 3938 * start an auto-request sense iff 3939 * there was a check condition, we have enough 3940 * space in the status block, and we have not 3941 * faked an auto request sense 3942 */ 3943 if ((*(pkt->pkt_scbp) == STATUS_CHECK) && 3944 (cmd->cmd_scblen >= sizeof (struct scsi_arq_status)) && 3945 ((pkt->pkt_state & STATE_ARQ_DONE) == 0) && 3946 (scsa2usb_create_arq_pkt(scsa2usbp, 3947 &pkt->pkt_address) == USB_SUCCESS)) { 3948 arqcmd = scsa2usbp->scsa2usb_arq_cmd; 3949 3950 /* 3951 * copy the timeout from the 3952 * original packet 3953 * for lack of a better value 3954 */ 3955 arqcmd->cmd_pkt->pkt_time = pkt->pkt_time; 3956 scsa2usb_prepare_pkt(scsa2usbp, 3957 arqcmd->cmd_pkt); 3958 3959 scsa2usbp->scsa2usb_cur_pkt = NULL; 3960 if (scsa2usb_cmd_transport( 3961 scsa2usbp, arqcmd) == TRAN_ACCEPT) { 3962 3963 /* finish w/ this packet */ 3964 scsa2usb_complete_arq_pkt( 3965 scsa2usbp, arqcmd->cmd_pkt, cmd, 3966 scsa2usbp->scsa2usb_arq_bp); 3967 3968 /* 3969 * we have valid request sense 3970 * data so clear the pkt_reason 3971 */ 3972 pkt->pkt_reason = CMD_CMPLT; 3973 } 3974 scsa2usbp->scsa2usb_cur_pkt = pkt; 3975 scsa2usb_delete_arq_pkt(scsa2usbp); 3976 } 3977 3978 if ((rval != TRAN_ACCEPT) && 3979 (pkt->pkt_reason == CMD_CMPLT)) { 3980 pkt->pkt_reason = CMD_TRAN_ERR; 3981 } 3982 3983 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp); 3984 scsa2usb_pkt_completion(scsa2usbp, pkt); 3985 3986 ASSERT(scsa2usbp->scsa2usb_cur_pkt == NULL); 3987 } 3988 3989 3990 /* 3991 * scsa2usb_work_thread: 3992 * The taskq thread that kicks off the transport (BO and CB/CBI) 3993 */ 3994 static void 3995 scsa2usb_work_thread(void *arg) 3996 { 3997 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)arg; 3998 uint_t lun; 3999 uint_t count; 4000 4001 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4002 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4003 "scsa2usb_work_thread start: thread_id=0x%x", 4004 scsa2usbp->scsa2usb_work_thread_id); 4005 4006 ASSERT(scsa2usbp->scsa2usb_work_thread_id == (kthread_t *)1); 4007 scsa2usbp->scsa2usb_work_thread_id = curthread; 4008 4009 /* exclude ugen accesses */ 4010 while (scsa2usbp->scsa2usb_transport_busy) { 4011 cv_wait(&scsa2usbp->scsa2usb_transport_busy_cv, 4012 &scsa2usbp->scsa2usb_mutex); 4013 } 4014 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0); 4015 scsa2usbp->scsa2usb_transport_busy++; 4016 scsa2usbp->scsa2usb_busy_thread = curthread; 4017 4018 scsa2usb_raise_power(scsa2usbp); 4019 4020 /* reopen the pipes if necessary */ 4021 (void) scsa2usb_open_usb_pipes(scsa2usbp); 4022 4023 for (;;) { 4024 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0); 4025 for (lun = 0; lun < scsa2usbp->scsa2usb_n_luns; lun++) { 4026 scsa2usb_transport_request(scsa2usbp, lun); 4027 } 4028 count = 0; 4029 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 4030 count += usba_list_entry_count( 4031 &scsa2usbp->scsa2usb_waitQ[lun]); 4032 } 4033 4034 if (count == 0) { 4035 4036 break; 4037 } 4038 } 4039 4040 scsa2usbp->scsa2usb_work_thread_id = 0; 4041 4042 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0); 4043 4044 scsa2usbp->scsa2usb_transport_busy--; 4045 scsa2usbp->scsa2usb_busy_thread = NULL; 4046 cv_signal(&scsa2usbp->scsa2usb_transport_busy_cv); 4047 4048 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4049 "scsa2usb_work_thread: exit"); 4050 4051 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4052 4053 scsa2usb_pm_idle_component(scsa2usbp); 4054 } 4055 4056 4057 /* 4058 * scsa2usb_flush_waitQ: 4059 * empties the entire waitQ with errors asap. 4060 * 4061 * It is called from scsa2usb_scsi_reset and scsa2usb_panic_callb. 4062 * If the device is reset; we should empty the waitQ right away. 4063 * If the system has paniced; we should empty the waitQ right away. 4064 * 4065 * CPR suspend will only succeed if device is idle. No need to call 4066 * this function for CPR suspend case. 4067 */ 4068 static void 4069 scsa2usb_flush_waitQ(scsa2usb_state_t *scsa2usbp, uint_t lun, 4070 uchar_t error) 4071 { 4072 struct scsi_pkt *pkt; 4073 struct scsa2usb_cmd *cmd; 4074 usba_list_entry_t head; 4075 4076 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4077 4078 usba_move_list(&scsa2usbp->scsa2usb_waitQ[lun], &head, 4079 scsa2usbp->scsa2usb_dev_data->dev_iblock_cookie); 4080 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4081 4082 while ((cmd = (scsa2usb_cmd_t *)usba_rm_first_pvt_from_list(&head)) != 4083 NULL) { 4084 pkt = cmd->cmd_pkt; 4085 pkt->pkt_reason = error; /* set error */ 4086 4087 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4088 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_DO_COMP; 4089 scsa2usb_pkt_completion(scsa2usbp, pkt); 4090 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4091 } /* end of while */ 4092 } 4093 4094 4095 /* 4096 * scsa2usb_do_inquiry is performed before INIT CHILD and we have 4097 * to fake a few things normally done by SCSA 4098 */ 4099 static void 4100 scsa2usb_do_inquiry(scsa2usb_state_t *scsa2usbp, uint_t target, uint_t lun) 4101 { 4102 struct buf *bp; 4103 struct scsi_pkt *pkt; 4104 struct scsi_address ap; 4105 int len = SCSA2USB_MAX_INQ_LEN; 4106 4107 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4108 "scsa2usb_do_inquiry: %d bytes", len); 4109 4110 /* is it inquiry-challenged? */ 4111 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_INQUIRY)) { 4112 (void) scsa2usb_fake_inquiry(scsa2usbp, NULL, lun); 4113 4114 return; 4115 } 4116 4117 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4118 4119 bzero(&ap, sizeof (struct scsi_address)); 4120 ap.a_hba_tran = scsa2usbp->scsa2usb_tran; 4121 ap.a_target = target; 4122 ap.a_lun = lun; 4123 4124 /* limit inquiry to 36 bytes */ 4125 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4126 if ((bp = scsi_alloc_consistent_buf(&ap, (struct buf *)NULL, 4127 len, B_READ, SLEEP_FUNC, NULL)) == NULL) { 4128 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4129 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4130 scsa2usbp->scsa2usb_log_handle, 4131 "scsa2usb_do_inquiry: failed"); 4132 4133 return; 4134 } 4135 4136 pkt = scsi_init_pkt(&ap, NULL, bp, CDB_GROUP0, 1, 4137 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL); 4138 4139 RQ_MAKECOM_G0(pkt, FLAG_NOINTR, (char)SCMD_INQUIRY, 0, len); 4140 4141 pkt->pkt_comp = NULL; 4142 pkt->pkt_time = 5; 4143 bzero(bp->b_un.b_addr, len); 4144 4145 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4146 "scsa2usb_do_inquiry:INQUIRY"); 4147 4148 (void) scsi_transport(pkt); 4149 4150 if (pkt->pkt_reason) { 4151 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4152 scsa2usbp->scsa2usb_log_handle, 4153 "INQUIRY failed, cannot determine device type, " 4154 "pkt_reason=0x%x", pkt->pkt_reason); 4155 4156 /* not much hope for other cmds, reduce */ 4157 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4158 scsa2usbp->scsa2usb_attrs &= 4159 ~SCSA2USB_ATTRS_REDUCED_CMD; 4160 (void) scsa2usb_fake_inquiry(scsa2usbp, NULL, lun); 4161 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4162 } 4163 4164 scsi_destroy_pkt(pkt); 4165 scsi_free_consistent_buf(bp); 4166 4167 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4168 } 4169 4170 4171 /* 4172 * scsa2usb_fake_inquiry: 4173 * build an inquiry for a given device that doesnt like inquiry 4174 * commands. 4175 */ 4176 static int 4177 scsa2usb_fake_inquiry(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd, 4178 uint_t lun) 4179 { 4180 usb_client_dev_data_t *dev_data = scsa2usbp->scsa2usb_dev_data; 4181 struct scsi_inquiry *inqp; 4182 int len; 4183 4184 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4185 "scsa2usb_fake_inquiry:"); 4186 4187 if (cmd) { 4188 inqp = (struct scsi_inquiry *)cmd->cmd_bp->b_un.b_addr; 4189 } else { 4190 inqp = &scsa2usbp->scsa2usb_lun_inquiry[lun]; 4191 } 4192 bzero(inqp, sizeof (struct scsi_inquiry)); 4193 for (len = 0; len < sizeof (inqp->inq_vid); len++) { 4194 *(inqp->inq_vid + len) = ' '; 4195 } 4196 4197 for (len = 0; len < sizeof (inqp->inq_pid); len++) { 4198 *(inqp->inq_pid + len) = ' '; 4199 } 4200 4201 inqp->inq_dtype = DTYPE_DIRECT; 4202 inqp->inq_rmb = 1; 4203 inqp->inq_ansi = 2; 4204 inqp->inq_rdf = RDF_SCSI2; 4205 inqp->inq_len = sizeof (struct scsi_inquiry)-4; 4206 4207 /* Fill in the Vendor id/Product id strings */ 4208 if (dev_data->dev_mfg) { 4209 if ((len = strlen(dev_data->dev_mfg)) > 4210 sizeof (inqp->inq_vid)) { 4211 len = sizeof (inqp->inq_vid); 4212 } 4213 bcopy(dev_data->dev_mfg, inqp->inq_vid, len); 4214 } 4215 4216 if (dev_data->dev_product) { 4217 if ((len = strlen(dev_data->dev_product)) > 4218 sizeof (inqp->inq_pid)) { 4219 len = sizeof (inqp->inq_pid); 4220 } 4221 bcopy(dev_data->dev_product, inqp->inq_pid, len); 4222 } 4223 4224 /* Set the Revision to the Device */ 4225 inqp->inq_revision[0] = 0x30 + 4226 ((dev_data->dev_descr->bcdDevice>>12) & 0xF); 4227 inqp->inq_revision[1] = 0x30 + 4228 ((dev_data->dev_descr->bcdDevice>>8) & 0xF); 4229 inqp->inq_revision[2] = 0x30 + 4230 ((dev_data->dev_descr->bcdDevice>>4) & 0xF); 4231 inqp->inq_revision[3] = 0x30 + 4232 ((dev_data->dev_descr->bcdDevice) & 0xF); 4233 4234 /* Copy inquiry data in to soft state */ 4235 bcopy(inqp, &scsa2usbp->scsa2usb_lun_inquiry[lun], 4236 sizeof (struct scsi_inquiry)); 4237 4238 return (sizeof (struct scsi_inquiry)); 4239 } 4240 4241 4242 /* 4243 * scsa2usb_create_arq_pkt: 4244 * Create and ARQ packet to get request sense data 4245 */ 4246 static int 4247 scsa2usb_create_arq_pkt(scsa2usb_state_t *scsa2usbp, struct scsi_address *ap) 4248 { 4249 struct buf *bp; 4250 scsa2usb_cmd_t *arq_cmd; 4251 4252 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4253 "scsa2usb_create_arq_pkt: scsa2usbp: %p, ap: %p", scsa2usbp, ap); 4254 4255 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4256 4257 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4258 if ((bp = scsi_alloc_consistent_buf(ap, (struct buf *)NULL, 4259 SENSE_LENGTH, B_READ, SLEEP_FUNC, NULL)) == NULL) { 4260 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4261 4262 return (USB_FAILURE); 4263 } 4264 4265 arq_cmd = PKT2CMD(scsi_init_pkt(ap, NULL, bp, CDB_GROUP0, 1, 4266 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL)); 4267 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4268 4269 RQ_MAKECOM_G0(arq_cmd->cmd_pkt, 4270 FLAG_SENSING | FLAG_HEAD | FLAG_NODISCON, 4271 (char)SCMD_REQUEST_SENSE, 0, (char)SENSE_LENGTH); 4272 4273 arq_cmd->cmd_pkt->pkt_ha_private = arq_cmd; 4274 scsa2usbp->scsa2usb_arq_cmd = arq_cmd; 4275 scsa2usbp->scsa2usb_arq_bp = bp; 4276 arq_cmd->cmd_pkt->pkt_comp = NULL; 4277 bzero(bp->b_un.b_addr, SENSE_LENGTH); 4278 4279 return (USB_SUCCESS); 4280 } 4281 4282 4283 /* 4284 * scsa2usb_delete_arq_pkt: 4285 * Destroy the ARQ packet 4286 */ 4287 static void 4288 scsa2usb_delete_arq_pkt(scsa2usb_state_t *scsa2usbp) 4289 { 4290 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4291 "scsa2usb_delete_arq_pkt: cmd: 0x%p", scsa2usbp->scsa2usb_arq_cmd); 4292 4293 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4294 4295 if (scsa2usbp->scsa2usb_arq_cmd != NULL) { 4296 scsi_destroy_pkt(scsa2usbp->scsa2usb_arq_cmd->cmd_pkt); 4297 scsi_free_consistent_buf(scsa2usbp->scsa2usb_arq_bp); 4298 } 4299 scsa2usbp->scsa2usb_arq_cmd = NULL; 4300 scsa2usbp->scsa2usb_arq_bp = NULL; 4301 } 4302 4303 4304 /* 4305 * scsa2usb_complete_arq_pkt: 4306 * finish processing the arq packet 4307 */ 4308 static void 4309 scsa2usb_complete_arq_pkt(scsa2usb_state_t *scsa2usbp, 4310 struct scsi_pkt *pkt, scsa2usb_cmd_t *ssp, struct buf *bp) 4311 { 4312 scsa2usb_cmd_t *sp = pkt->pkt_ha_private; 4313 struct scsi_arq_status *arqp; 4314 4315 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4316 4317 arqp = (struct scsi_arq_status *)(ssp->cmd_pkt->pkt_scbp); 4318 arqp->sts_rqpkt_status = *((struct scsi_status *) 4319 (sp->cmd_pkt->pkt_scbp)); 4320 arqp->sts_rqpkt_reason = CMD_CMPLT; 4321 arqp->sts_rqpkt_state |= STATE_XFERRED_DATA; 4322 arqp->sts_rqpkt_statistics = arqp->sts_rqpkt_resid = 0; 4323 4324 /* is this meaningful sense data */ 4325 if (*(bp->b_un.b_addr) != 0) { 4326 bcopy(bp->b_un.b_addr, &arqp->sts_sensedata, SENSE_LENGTH); 4327 ssp->cmd_pkt->pkt_state |= STATE_ARQ_DONE; 4328 } 4329 4330 /* we will not sense start cmd until we receive a NOT READY */ 4331 if (arqp->sts_sensedata.es_key == KEY_NOT_READY) { 4332 scsa2usbp->scsa2usb_rcvd_not_ready = B_TRUE; 4333 } 4334 } 4335 4336 4337 /* 4338 * Miscellaneous functions for any command/transport 4339 */ 4340 /* 4341 * scsa2usb_open_usb_pipes: 4342 * set up a pipe policy 4343 * open usb bulk pipes (BO and CB/CBI) 4344 * open usb interrupt pipe (CBI) 4345 */ 4346 static int 4347 scsa2usb_open_usb_pipes(scsa2usb_state_t *scsa2usbp) 4348 { 4349 int rval; 4350 usb_pipe_policy_t policy; /* bulk pipe policy */ 4351 size_t sz; 4352 4353 ASSERT(scsa2usbp); 4354 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4355 4356 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4357 "scsa2usb_open_usb_pipes: dip = 0x%p flag = 0x%x", 4358 scsa2usbp->scsa2usb_dip, scsa2usbp->scsa2usb_flags); 4359 4360 if (!(scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_PIPES_OPENED)) { 4361 4362 /* 4363 * one pipe policy for all bulk pipes 4364 */ 4365 bzero(&policy, sizeof (usb_pipe_policy_t)); 4366 /* at least 2, for the normal and exceptional callbacks */ 4367 policy.pp_max_async_reqs = 1; 4368 4369 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4370 "scsa2usb_open_usb_pipes: opening bulk pipes"); 4371 4372 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4373 4374 /* Open the USB bulk-in pipe */ 4375 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip, 4376 &scsa2usbp->scsa2usb_bulkin_ept, &policy, USB_FLAGS_SLEEP, 4377 &scsa2usbp->scsa2usb_bulkin_pipe)) != USB_SUCCESS) { 4378 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4379 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4380 scsa2usbp->scsa2usb_log_handle, 4381 "scsa2usb_open_usb_pipes: bulk/in pipe open " 4382 " failed rval = %d", rval); 4383 4384 return (USB_FAILURE); 4385 } 4386 4387 /* Open the bulk-out pipe using the same policy */ 4388 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip, 4389 &scsa2usbp->scsa2usb_bulkout_ept, &policy, USB_FLAGS_SLEEP, 4390 &scsa2usbp->scsa2usb_bulkout_pipe)) != USB_SUCCESS) { 4391 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4392 scsa2usbp->scsa2usb_bulkin_pipe, 4393 USB_FLAGS_SLEEP, NULL, NULL); 4394 4395 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4396 scsa2usbp->scsa2usb_bulkin_pipe = NULL; 4397 4398 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4399 scsa2usbp->scsa2usb_log_handle, 4400 "scsa2usb_open_usb_pipes: bulk/out pipe open" 4401 " failed rval = %d", rval); 4402 4403 return (USB_FAILURE); 4404 } 4405 4406 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4407 4408 /* open interrupt pipe for CBI protocol */ 4409 if (SCSA2USB_IS_CBI(scsa2usbp)) { 4410 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4411 4412 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip, 4413 &scsa2usbp->scsa2usb_intr_ept, &policy, 4414 USB_FLAGS_SLEEP, &scsa2usbp->scsa2usb_intr_pipe)) != 4415 USB_SUCCESS) { 4416 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4417 scsa2usbp->scsa2usb_bulkin_pipe, 4418 USB_FLAGS_SLEEP, NULL, NULL); 4419 4420 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4421 scsa2usbp->scsa2usb_bulkout_pipe, 4422 USB_FLAGS_SLEEP, NULL, NULL); 4423 4424 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4425 scsa2usbp->scsa2usb_bulkin_pipe = NULL; 4426 scsa2usbp->scsa2usb_bulkout_pipe = NULL; 4427 4428 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 4429 scsa2usbp->scsa2usb_log_handle, 4430 "scsa2usb_open_usb_pipes: intr pipe open" 4431 " failed rval = %d", rval); 4432 4433 return (USB_FAILURE); 4434 } 4435 4436 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4437 } 4438 4439 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4440 4441 /* get the max transfer size of the bulk pipe */ 4442 if (usb_pipe_get_max_bulk_transfer_size(scsa2usbp->scsa2usb_dip, 4443 &sz) == USB_SUCCESS) { 4444 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4445 scsa2usbp->scsa2usb_max_bulk_xfer_size = sz; 4446 } else { 4447 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4448 scsa2usbp->scsa2usb_max_bulk_xfer_size = DEV_BSIZE; 4449 } 4450 4451 /* limit the xfer size */ 4452 scsa2usbp->scsa2usb_max_bulk_xfer_size = min( 4453 scsa2usbp->scsa2usb_max_bulk_xfer_size, 4454 scsa2usb_max_bulk_xfer_size); 4455 4456 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4457 "scsa2usb_open_usb_pipes: max bulk transfer size = %lx", 4458 scsa2usbp->scsa2usb_max_bulk_xfer_size); 4459 4460 /* Set the pipes opened flag */ 4461 scsa2usbp->scsa2usb_flags |= SCSA2USB_FLAGS_PIPES_OPENED; 4462 4463 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_NORMAL; 4464 4465 /* Set the state to NONE */ 4466 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE; 4467 } 4468 4469 return (USB_SUCCESS); 4470 } 4471 4472 4473 /* 4474 * scsa2usb_close_usb_pipes: 4475 * close all pipes synchronously 4476 */ 4477 void 4478 scsa2usb_close_usb_pipes(scsa2usb_state_t *scsa2usbp) 4479 { 4480 usb_flags_t flags = USB_FLAGS_SLEEP; 4481 4482 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4483 "scsa2usb_close_usb_pipes: scsa2usb_state = 0x%p", scsa2usbp); 4484 4485 ASSERT(scsa2usbp); 4486 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4487 4488 if ((scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_PIPES_OPENED) == 0) { 4489 4490 return; 4491 } 4492 4493 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_CLOSING; 4494 /* to avoid races, reset the flag first */ 4495 scsa2usbp->scsa2usb_flags &= ~SCSA2USB_FLAGS_PIPES_OPENED; 4496 4497 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4498 4499 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4500 scsa2usbp->scsa2usb_bulkout_pipe, flags, NULL, NULL); 4501 4502 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4503 scsa2usbp->scsa2usb_bulkin_pipe, flags, NULL, NULL); 4504 4505 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4506 if (SCSA2USB_IS_CBI(scsa2usbp)) { 4507 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4508 usb_pipe_close(scsa2usbp->scsa2usb_dip, 4509 scsa2usbp->scsa2usb_intr_pipe, flags, NULL, NULL); 4510 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4511 } 4512 scsa2usbp->scsa2usb_bulkout_pipe = NULL; 4513 scsa2usbp->scsa2usb_bulkin_pipe = NULL; 4514 scsa2usbp->scsa2usb_intr_pipe = NULL; 4515 4516 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_NORMAL; 4517 } 4518 4519 4520 /* 4521 * scsa2usb_fill_up_cdb_lba: 4522 * fill up command CDBs' LBA part 4523 */ 4524 static void 4525 scsa2usb_fill_up_cdb_lba(scsa2usb_cmd_t *cmd, int lba) 4526 { 4527 /* zero cdb1, lba bits so they won't get copied in the new cdb */ 4528 cmd->cmd_cdb[SCSA2USB_LUN] &= 0xE0; 4529 cmd->cmd_cdb[SCSA2USB_LBA_0] = lba >> 24; 4530 cmd->cmd_cdb[SCSA2USB_LBA_1] = lba >> 16; 4531 cmd->cmd_cdb[SCSA2USB_LBA_2] = lba >> 8; 4532 cmd->cmd_cdb[SCSA2USB_LBA_3] = (uchar_t)lba; 4533 cmd->cmd_lba = lba; 4534 } 4535 4536 4537 /* 4538 * scsa2usb_fill_up_ReadCD_cdb_len: 4539 * fill up READ_CD command CDBs' len part 4540 */ 4541 static void 4542 scsa2usb_fill_up_ReadCD_cdb_len(scsa2usb_cmd_t *cmd, int len, int actual_len) 4543 { 4544 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_0] = len >> 16; 4545 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_1] = len >> 8; 4546 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_2] = (uchar_t)len; 4547 cmd->cmd_actual_len = (uchar_t)actual_len; 4548 } 4549 4550 4551 /* 4552 * scsa2usb_fill_up_12byte_cdb_len: 4553 * fill up generic 12-byte command CDBs' len part 4554 */ 4555 static void 4556 scsa2usb_fill_up_12byte_cdb_len(scsa2usb_cmd_t *cmd, int len, int actual_len) 4557 { 4558 cmd->cmd_cdb[6] = len >> 24; 4559 cmd->cmd_cdb[7] = len >> 16; 4560 cmd->cmd_cdb[8] = len >> 8; 4561 cmd->cmd_cdb[9] = (uchar_t)len; 4562 cmd->cmd_actual_len = (uchar_t)actual_len; 4563 } 4564 4565 4566 /* 4567 * scsa2usb_fill_up_cdb_len: 4568 * fill up generic 10-byte command CDBs' len part 4569 */ 4570 static void 4571 scsa2usb_fill_up_cdb_len(scsa2usb_cmd_t *cmd, int len) 4572 { 4573 cmd->cmd_cdb[SCSA2USB_LEN_0] = len >> 8; 4574 cmd->cmd_cdb[SCSA2USB_LEN_1] = (uchar_t)len; 4575 } 4576 4577 4578 /* 4579 * scsa2usb_read_cd_blk_size: 4580 * For SCMD_READ_CD opcode (0xbe). Figure out the 4581 * block size based on expected sector type field 4582 * definition. See MMC SCSI Specs section 6.1.15 4583 * 4584 * Based on the value of the "expected_sector_type" 4585 * field, the block size could be different. 4586 */ 4587 static int 4588 scsa2usb_read_cd_blk_size(uchar_t expected_sector_type) 4589 { 4590 int blk_size; 4591 4592 switch (expected_sector_type) { 4593 case READ_CD_EST_CDDA: 4594 blk_size = CDROM_BLK_2352; 4595 break; 4596 case READ_CD_EST_MODE2: 4597 blk_size = CDROM_BLK_2336; 4598 break; 4599 case READ_CD_EST_MODE2FORM2: 4600 blk_size = CDROM_BLK_2324; 4601 break; 4602 case READ_CD_EST_MODE2FORM1: 4603 case READ_CD_EST_ALLTYPE: 4604 case READ_CD_EST_MODE1: 4605 default: 4606 blk_size = CDROM_BLK_2048; 4607 } 4608 4609 USB_DPRINTF_L4(DPRINT_MASK_SCSA, NULL, "scsa2usb_read_cd_blk_size: " 4610 "est = 0x%x blk_size = %d", expected_sector_type, blk_size); 4611 4612 return (blk_size); 4613 } 4614 4615 4616 /* needed for esballoc_wait() */ 4617 /*ARGSUSED*/ 4618 static void 4619 scsa2usb_null_free(char *arg) 4620 { 4621 } 4622 4623 static frtn_t fr = { 4624 scsa2usb_null_free, 4625 NULL 4626 }; 4627 4628 4629 /* 4630 * scsa2usb_bp_to_mblk: 4631 * Convert a bp to mblk_t. USBA framework understands mblk_t. 4632 */ 4633 static mblk_t * 4634 scsa2usb_bp_to_mblk(scsa2usb_state_t *scsa2usbp) 4635 { 4636 size_t size; 4637 mblk_t *mp; 4638 struct buf *bp; 4639 scsa2usb_cmd_t *cmd = PKT2CMD(scsa2usbp->scsa2usb_cur_pkt); 4640 4641 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4642 "scsa2usb_bp_to_mblk: "); 4643 4644 ASSERT(scsa2usbp->scsa2usb_cur_pkt); 4645 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4646 4647 bp = cmd->cmd_bp; 4648 4649 if (bp && (bp->b_bcount > 0)) { 4650 size = ((bp->b_bcount > cmd->cmd_xfercount) ? 4651 cmd->cmd_xfercount : bp->b_bcount); 4652 } else { 4653 4654 return (NULL); 4655 } 4656 4657 mp = esballoc_wait((uchar_t *)bp->b_un.b_addr + cmd->cmd_offset, 4658 size, BPRI_LO, &fr); 4659 4660 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4661 "scsa2usb_bp_to_mblk: " 4662 "mp=0x%p bp=0x%p pkt=0x%p off=0x%lx sz=%lu add=0x%p", mp, 4663 (void *)bp, scsa2usbp->scsa2usb_cur_pkt, cmd->cmd_offset, 4664 bp->b_bcount - cmd->cmd_offset, 4665 bp->b_un.b_addr); 4666 4667 mp->b_wptr += size; 4668 cmd->cmd_offset += size; 4669 4670 return (mp); 4671 } 4672 4673 4674 /* 4675 * scsa2usb_handle_data_start: 4676 * Initiate the data xfer. It could be IN/OUT direction. 4677 * 4678 * Data IN: 4679 * Send out the bulk-xfer request 4680 * if rval implies STALL 4681 * clear endpoint stall and reset bulk-in pipe 4682 * handle data read in so far; set cmd->cmd_done 4683 * also adjust data xfer length accordingly 4684 * else other error 4685 * report back to transport 4686 * typically transport will call reset recovery 4687 * else (no error) 4688 * return success 4689 * 4690 * Data OUT: 4691 * Send out the bulk-xfer request 4692 * if rval implies STALL 4693 * clear endpoint stall and reset bulk-in pipe 4694 * adjust data xfer length 4695 * else other error 4696 * report back to transport 4697 * typically transport will call reset recovery 4698 * else (no error) 4699 * return success 4700 * 4701 * NOTE: We call this function only if there is xfercount. 4702 */ 4703 int 4704 scsa2usb_handle_data_start(scsa2usb_state_t *scsa2usbp, 4705 scsa2usb_cmd_t *cmd, usb_bulk_req_t *req) 4706 { 4707 int rval = USB_SUCCESS; 4708 uint_t ept_addr; 4709 usb_flags_t flags = USB_FLAGS_SLEEP; 4710 #ifdef SCSA2USB_BULK_ONLY_TEST 4711 usb_req_attrs_t attrs = 0; 4712 #else 4713 usb_req_attrs_t attrs = USB_ATTRS_SHORT_XFER_OK; 4714 #endif 4715 4716 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4717 "scsa2usb_handle_data_start: BEGIN cmd = %p, req = %p", cmd, req); 4718 4719 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4720 4721 switch (cmd->cmd_dir) { 4722 case USB_EP_DIR_IN: 4723 #ifdef SCSA2USB_BULK_ONLY_TEST 4724 /* 4725 * This case occurs when the host expects to receive 4726 * more data than the device actually transfers. Hi > Di 4727 */ 4728 if (scsa2usb_test_case_5) { 4729 usb_bulk_req_t *req2; 4730 4731 req->bulk_len = cmd->cmd_xfercount - 1; 4732 req->bulk_attributes = 0; 4733 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4734 SCSA2USB_FREE_MSG(req->bulk_data); 4735 req->bulk_data = allocb_wait(req->bulk_len, BPRI_LO, 4736 STR_NOSIG, NULL); 4737 4738 ASSERT(req->bulk_timeout); 4739 rval = usb_pipe_bulk_xfer( 4740 scsa2usbp->scsa2usb_bulkin_pipe, req, flags); 4741 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4742 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4743 scsa2usbp->scsa2usb_log_handle, "rval = %x", rval); 4744 4745 req2 = scsa2usb_init_bulk_req(scsa2usbp, 4746 cmd->cmd_xfercount + 2, 4747 cmd->cmd_timeout, 0, flags); 4748 req2->bulk_len = cmd->cmd_xfercount + 2; 4749 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4750 4751 ASSERT(req2->bulk_timeout); 4752 rval = usb_pipe_bulk_xfer( 4753 scsa2usbp->scsa2usb_bulkin_pipe, req2, flags); 4754 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4755 4756 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4757 scsa2usbp->scsa2usb_log_handle, 4758 "TEST 5: Hi > Di: rval = 0x%x", rval); 4759 scsa2usb_test_case_5 = 0; 4760 usb_free_bulk_req(req2); 4761 4762 return (rval); 4763 } 4764 4765 /* 4766 * This happens when the host expects to send data to the 4767 * device while the device intends to send data to the host. 4768 */ 4769 if (scsa2usb_test_case_8 && (cmd->cmd_cdb[0] == SCMD_READ_G1)) { 4770 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4771 scsa2usbp->scsa2usb_log_handle, 4772 "TEST 8: Hi <> Do: Step 2"); 4773 scsa2usb_test_mblk(scsa2usbp, B_TRUE); 4774 scsa2usb_test_case_8 = 0; 4775 4776 return (rval); 4777 } 4778 #endif /* SCSA2USB_BULK_ONLY_TEST */ 4779 4780 ept_addr = scsa2usbp->scsa2usb_bulkin_ept.bEndpointAddress; 4781 req->bulk_len = cmd->cmd_xfercount; 4782 req->bulk_attributes = attrs; 4783 SCSA2USB_FREE_MSG(req->bulk_data); 4784 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4785 4786 req->bulk_data = esballoc_wait( 4787 (uchar_t *)cmd->cmd_bp->b_un.b_addr + 4788 cmd->cmd_offset, 4789 req->bulk_len, BPRI_LO, &fr); 4790 4791 ASSERT(req->bulk_timeout); 4792 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkin_pipe, 4793 req, flags); 4794 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4795 4796 break; 4797 4798 case USB_EP_DIR_OUT: 4799 #ifdef SCSA2USB_BULK_ONLY_TEST 4800 /* 4801 * This happens when the host expects to receive data 4802 * from the device while the device intends to receive 4803 * data from the host. 4804 */ 4805 if (scsa2usb_test_case_10 && 4806 (cmd->cmd_cdb[0] == SCMD_WRITE_G1)) { 4807 req->bulk_len = CSW_LEN; 4808 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4809 4810 ASSERT(req->bulk_timeout); 4811 rval = usb_pipe_bulk_xfer( 4812 scsa2usbp->scsa2usb_bulkin_pipe, req, flags); 4813 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4814 4815 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4816 scsa2usbp->scsa2usb_log_handle, 4817 "TEST 10: Ho <> Di: done rval = 0x%x", rval); 4818 scsa2usb_test_case_10 = 0; 4819 4820 return (rval); 4821 } 4822 #endif /* SCSA2USB_BULK_ONLY_TEST */ 4823 4824 req->bulk_data = scsa2usb_bp_to_mblk(scsa2usbp); 4825 if (req->bulk_data == NULL) { 4826 4827 return (USB_FAILURE); 4828 } 4829 4830 #ifdef SCSA2USB_BULK_ONLY_TEST 4831 if (scsa2usb_test_case_11) { 4832 /* 4833 * Host expects to send data to the device and 4834 * device doesn't expect to receive any data 4835 */ 4836 USB_DPRINTF_L1(DPRINT_MASK_SCSA, 4837 scsa2usbp->scsa2usb_log_handle, "TEST 11: Ho > Do"); 4838 4839 scsa2usb_test_mblk(scsa2usbp, B_FALSE); 4840 scsa2usb_test_case_11 = 0; 4841 } 4842 #endif /* SCSA2USB_BULK_ONLY_TEST */ 4843 4844 ept_addr = scsa2usbp->scsa2usb_bulkout_ept.bEndpointAddress; 4845 req->bulk_len = req->bulk_data->b_wptr - req->bulk_data->b_rptr; 4846 req->bulk_timeout = scsa2usb_bulk_timeout(cmd->cmd_timeout); 4847 mutex_exit(&scsa2usbp->scsa2usb_mutex); 4848 4849 ASSERT(req->bulk_timeout); 4850 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkout_pipe, 4851 req, flags); 4852 mutex_enter(&scsa2usbp->scsa2usb_mutex); 4853 break; 4854 } 4855 4856 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 4857 scsa2usbp->scsa2usb_log_handle, 4858 "scsa2usb_handle_data_start: rval=%d cr=%d", rval, 4859 req->bulk_completion_reason); 4860 4861 if (rval != USB_SUCCESS) { 4862 /* Handle Errors now */ 4863 if (req->bulk_completion_reason == USB_CR_STALL) { 4864 if (cmd->cmd_dir == USB_EP_DIR_IN) { 4865 (void) scsa2usb_clear_ept_stall( 4866 scsa2usbp, ept_addr, 4867 scsa2usbp-> scsa2usb_bulkin_pipe, 4868 "bulk-in"); 4869 } else { 4870 (void) scsa2usb_clear_ept_stall( 4871 scsa2usbp, ept_addr, 4872 scsa2usbp-> scsa2usb_bulkout_pipe, 4873 "bulk-out"); 4874 } 4875 } 4876 4877 /* no more data to transfer after this */ 4878 cmd->cmd_done = 1; 4879 } 4880 4881 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4882 "scsa2usb_handle_data_start: END %s data rval = %d", 4883 (cmd->cmd_dir == USB_EP_DIR_IN) ? "bulk-in" : "bulk-out", rval); 4884 4885 return (rval); 4886 } 4887 4888 4889 /* 4890 * scsa2usb_handle_data_done: 4891 * This function handles the completion of the data xfer. 4892 * It also massages the inquiry data. This function may 4893 * also be called after a stall. 4894 */ 4895 void 4896 scsa2usb_handle_data_done(scsa2usb_state_t *scsa2usbp, 4897 scsa2usb_cmd_t *cmd, usb_bulk_req_t *req) 4898 { 4899 struct buf *bp = cmd->cmd_bp; 4900 struct scsi_pkt *pkt = scsa2usbp->scsa2usb_cur_pkt; 4901 mblk_t *data = req->bulk_data; 4902 int len = data ? (data->b_wptr - data->b_rptr) : 0; 4903 uint32_t max_lba; 4904 4905 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 4906 4907 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 4908 "scsa2usb_handle_data_done:\n\tcmd = 0x%p data = 0x%p len = 0x%x", 4909 cmd, data, len); 4910 4911 cmd->cmd_resid_xfercount = cmd->cmd_xfercount - len; 4912 4913 if (len) { 4914 uchar_t *p; 4915 uchar_t dtype; 4916 scsa2usb_read_cap_t *cap; 4917 struct scsi_inquiry *inq; 4918 4919 switch (cmd->cmd_cdb[SCSA2USB_OPCODE]) { 4920 case SCMD_INQUIRY: 4921 /* 4922 * cache a copy of the inquiry data for our own use 4923 * but ensure that we have at least up to 4924 * inq_revision, inq_serial is not required. 4925 * ignore inquiry data returned for inquiry commands 4926 * with SCSI-3 EVPD, CmdDt bits set. 4927 */ 4928 if (((cmd->cmd_cdb[SCSA2USB_LUN] & 0x1f) == 0) && 4929 (len >= SCSA2USB_MAX_INQ_LEN)) { 4930 inq = (struct scsi_inquiry *)data->b_rptr; 4931 dtype = inq->inq_dtype & DTYPE_MASK; 4932 /* 4933 * scsi framework sends zero byte write(10) cmd 4934 * to (Simplified) direct-access devices with 4935 * inquiry version > 2 for reservation changes. 4936 * But some USB devices don't support zero byte 4937 * write(10) even though they have inquiry 4938 * version > 2. Considering scsa2usb driver 4939 * doesn't support reservation and all the 4940 * reservation cmds are being faked, we fake 4941 * the inquiry version to 0 to make scsi 4942 * framework send test unit ready cmd which is 4943 * supported by all the usb devices. 4944 */ 4945 if (((dtype == DTYPE_DIRECT) || 4946 (dtype == DTYPE_RBC)) && 4947 (inq->inq_ansi > 2)) { 4948 inq->inq_ansi = 0; 4949 } 4950 4951 bzero(&scsa2usbp->scsa2usb_lun_inquiry 4952 [pkt->pkt_address.a_lun], 4953 sizeof (struct scsi_inquiry)); 4954 bcopy(data->b_rptr, 4955 &scsa2usbp->scsa2usb_lun_inquiry 4956 [pkt->pkt_address.a_lun], len); 4957 } 4958 4959 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 4960 scsa2usbp->scsa2usb_log_handle, 4961 "scsi inquiry type = 0x%x", 4962 scsa2usbp->scsa2usb_lun_inquiry 4963 [pkt->pkt_address.a_lun].inq_dtype); 4964 4965 cmd->cmd_done = 1; 4966 goto handle_data; 4967 4968 case SCMD_READ_CAPACITY: 4969 cap = (scsa2usb_read_cap_t *)data->b_rptr; 4970 4971 /* Figure out the logical block size */ 4972 if ((len >= sizeof (struct scsa2usb_read_cap)) && 4973 (req->bulk_completion_reason == USB_CR_OK)) { 4974 scsa2usbp-> 4975 scsa2usb_lbasize[pkt->pkt_address.a_lun] = 4976 SCSA2USB_MK_32BIT( 4977 cap->scsa2usb_read_cap_blen3, 4978 cap->scsa2usb_read_cap_blen2, 4979 cap->scsa2usb_read_cap_blen1, 4980 cap->scsa2usb_read_cap_blen0); 4981 4982 max_lba = SCSA2USB_MK_32BIT( 4983 cap->scsa2usb_read_cap_lba3, 4984 cap->scsa2usb_read_cap_lba2, 4985 cap->scsa2usb_read_cap_lba1, 4986 cap->scsa2usb_read_cap_lba0); 4987 4988 /* 4989 * Some devices return total logical block 4990 * number instead of highest logical block 4991 * address. Adjust the value by minus 1. 4992 */ 4993 if (max_lba > 0 && (scsa2usbp->scsa2usb_attrs & 4994 SCSA2USB_ATTRS_NO_CAP_ADJUST) == 0) { 4995 max_lba -= 1; 4996 cap->scsa2usb_read_cap_lba0 = 4997 (uchar_t)(max_lba & 0xFF); 4998 cap->scsa2usb_read_cap_lba1 = 4999 (uchar_t)(max_lba >> 8 & 0xFF); 5000 cap->scsa2usb_read_cap_lba2 = 5001 (uchar_t)(max_lba >> 16 & 0xFF); 5002 cap->scsa2usb_read_cap_lba3 = 5003 (uchar_t)(max_lba >> 24 & 0xFF); 5004 } 5005 5006 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 5007 scsa2usbp->scsa2usb_log_handle, 5008 "bytes in each logical block=0x%x," 5009 "number of total logical blocks=0x%x", 5010 scsa2usbp-> 5011 scsa2usb_lbasize[pkt->pkt_address.a_lun], 5012 max_lba + 1); 5013 } 5014 cmd->cmd_done = 1; 5015 goto handle_data; 5016 5017 case SCMD_REQUEST_SENSE: 5018 p = data->b_rptr; 5019 USB_DPRINTF_L2(DPRINT_MASK_SCSA, 5020 scsa2usbp->scsa2usb_log_handle, 5021 "cdb: %x rqsense: " 5022 "%x %x %x %x %x %x %x %x %x %x\n\t" 5023 "%x %x %x %x %x %x %x %x %x %x", 5024 cmd->cmd_cdb[0], 5025 p[0], p[1], p[2], p[3], p[4], 5026 p[5], p[6], p[7], p[8], p[9], 5027 p[10], p[11], p[12], p[13], p[14], 5028 p[15], p[16], p[17], p[18], p[19]); 5029 5030 scsa2usbp->scsa2usb_last_cmd.status = p[2]; 5031 cmd->cmd_done = 1; 5032 /* FALLTHROUGH */ 5033 5034 default: 5035 handle_data: 5036 if (bp && len && (cmd->cmd_dir == USB_EP_DIR_IN)) { 5037 /* 5038 * we don't have to copy the data, the 5039 * data pointers for the mblk_t for 5040 * the bulk-in xfer points to the 5041 * struct buf * data. 5042 */ 5043 cmd->cmd_offset += len; 5044 } 5045 5046 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 5047 scsa2usbp->scsa2usb_log_handle, 5048 "len = 0x%x total = 0x%lx offset = 0x%lx", 5049 len, cmd->cmd_total_xfercount, cmd->cmd_offset); 5050 5051 /* 5052 * update total_xfercount now but it may be 5053 * adjusted after receiving the residue 5054 */ 5055 cmd->cmd_total_xfercount -= len; 5056 5057 if ((req->bulk_completion_reason != USB_CR_OK) || 5058 (cmd->cmd_resid_xfercount != 0) || 5059 (cmd->cmd_total_xfercount == 0)) { 5060 /* set pkt_resid to total to be sure */ 5061 pkt->pkt_resid = cmd->cmd_total_xfercount; 5062 cmd->cmd_done = 1; 5063 } 5064 5065 break; 5066 } 5067 } else { 5068 if (cmd->cmd_dir == USB_EP_DIR_OUT) { 5069 if (cmd->cmd_total_xfercount == 0) { 5070 cmd->cmd_done = 1; 5071 } 5072 } 5073 } 5074 } 5075 5076 5077 /* 5078 * scsa2usb_init_bulk_req: 5079 * Allocate (synchronously) and fill in a bulk-request 5080 */ 5081 usb_bulk_req_t * 5082 scsa2usb_init_bulk_req(scsa2usb_state_t *scsa2usbp, size_t length, 5083 uint_t timeout, usb_req_attrs_t attrs, usb_flags_t flags) 5084 { 5085 usb_bulk_req_t *req; 5086 5087 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5088 5089 req = usb_alloc_bulk_req(scsa2usbp->scsa2usb_dip, length, 5090 flags | USB_FLAGS_SLEEP); 5091 5092 req->bulk_len = length; /* xfer length */ 5093 req->bulk_timeout = scsa2usb_bulk_timeout(timeout); /* xfer timeout */ 5094 req->bulk_attributes = attrs; /* xfer attrs */ 5095 req->bulk_client_private = (usb_opaque_t)scsa2usbp; /* statep */ 5096 5097 return (req); 5098 } 5099 5100 5101 /* 5102 * scsa2usb_bulk_timeout: 5103 * ensure that bulk requests do not have infinite timeout values 5104 */ 5105 int 5106 scsa2usb_bulk_timeout(int timeout) 5107 { 5108 return ((timeout == 0) ? scsa2usb_long_timeout : timeout); 5109 } 5110 5111 5112 /* 5113 * scsa2usb_clear_ept_stall: 5114 * clear endpoint stall and reset pipes 5115 */ 5116 int 5117 scsa2usb_clear_ept_stall(scsa2usb_state_t *scsa2usbp, uint_t ept_addr, 5118 usb_pipe_handle_t ph, char *what) 5119 { 5120 int rval; 5121 dev_info_t *dip = scsa2usbp->scsa2usb_dip; 5122 5123 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5124 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) { 5125 5126 return (USB_FAILURE); 5127 } 5128 5129 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5130 rval = usb_clr_feature(dip, USB_DEV_REQ_RCPT_EP, 0, ept_addr, 5131 USB_FLAGS_SLEEP, NULL, NULL); 5132 5133 usb_pipe_reset(dip, ph, USB_FLAGS_SLEEP, NULL, NULL); 5134 5135 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5136 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5137 "scsa2usb_clear_ept_stall: on %s: ept = 0x%x rval = %d", 5138 what, ept_addr, rval); 5139 5140 return (rval); 5141 } 5142 5143 5144 /* 5145 * scsa2usb_pkt_completion: 5146 * Handle pkt completion. 5147 */ 5148 static void 5149 scsa2usb_pkt_completion(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt) 5150 { 5151 scsa2usb_cmd_t *cmd = PKT2CMD(pkt); 5152 size_t len; 5153 5154 ASSERT(pkt); 5155 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5156 5157 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5158 "scsa2usb_pkt_completion:\n\tscsa2usbp = 0x%p " 5159 "reason=%d, status=%d state=0x%x stats=0x%x resid=0x%lx", 5160 scsa2usbp, pkt->pkt_reason, *(pkt->pkt_scbp), 5161 pkt->pkt_state, pkt->pkt_statistics, pkt->pkt_resid); 5162 5163 if (pkt->pkt_reason == CMD_CMPLT) { 5164 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET | 5165 STATE_SENT_CMD | STATE_GOT_STATUS; 5166 if (cmd->cmd_xfercount) { 5167 pkt->pkt_state |= STATE_XFERRED_DATA; 5168 } 5169 } else { 5170 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET | 5171 STATE_SENT_CMD; 5172 } 5173 5174 /* 5175 * don't zap the current state when in panic as this will 5176 * make debugging harder 5177 */ 5178 if ((scsa2usbp->scsa2usb_cur_pkt == pkt) && !ddi_in_panic()) { 5179 SCSA2USB_RESET_CUR_PKT(scsa2usbp); 5180 5181 len = sizeof (scsa2usbp->scsa2usb_last_cmd.cdb); 5182 bzero(scsa2usbp->scsa2usb_last_cmd.cdb, len); 5183 5184 len = (len < cmd->cmd_cdblen) ? len : cmd->cmd_cdblen; 5185 USB_DPRINTF_L3(DPRINT_MASK_SCSA, 5186 scsa2usbp->scsa2usb_log_handle, 5187 "scsa2usb_pkt_completion: save last cmd, len=%d", len); 5188 5189 /* save the last command */ 5190 bcopy(pkt->pkt_cdbp, scsa2usbp->scsa2usb_last_cmd.cdb, len); 5191 5192 /* reset the scsa2usb_last_cmd.status value */ 5193 if ((pkt->pkt_cdbp[0] != SCMD_REQUEST_SENSE) && 5194 (pkt->pkt_cdbp[0] != SCMD_INQUIRY)) { 5195 scsa2usbp->scsa2usb_last_cmd.status = 0; 5196 } 5197 5198 /* 5199 * set pkt state to NONE *before* calling back as the target 5200 * driver will immediately submit the next packet 5201 */ 5202 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE; 5203 } 5204 5205 if (pkt->pkt_comp) { 5206 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5207 pkt->pkt_comp(pkt); 5208 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5209 5210 } 5211 } 5212 5213 5214 /* 5215 * Even handling functions: 5216 * 5217 * scsa2usb_reconnect_event_cb: 5218 * event handling 5219 */ 5220 static int 5221 scsa2usb_reconnect_event_cb(dev_info_t *dip) 5222 { 5223 scsa2usb_state_t *scsa2usbp = 5224 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 5225 dev_info_t *cdip; 5226 int circ; 5227 int rval = USB_SUCCESS; 5228 5229 ASSERT(scsa2usbp != NULL); 5230 5231 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5232 "scsa2usb_reconnect_event_cb: dip = 0x%p", dip); 5233 5234 scsa2usb_restore_device_state(dip, scsa2usbp); 5235 5236 USB_DPRINTF_L0(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5237 "Reinserted device is accessible again."); 5238 5239 ndi_devi_enter(dip, &circ); 5240 for (cdip = ddi_get_child(dip); cdip; ) { 5241 dev_info_t *next = ddi_get_next_sibling(cdip); 5242 5243 mutex_enter(&DEVI(cdip)->devi_lock); 5244 DEVI_SET_DEVICE_REINSERTED(cdip); 5245 mutex_exit(&DEVI(cdip)->devi_lock); 5246 5247 cdip = next; 5248 } 5249 ndi_devi_exit(dip, circ); 5250 5251 /* stop suppressing warnings */ 5252 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5253 scsa2usbp->scsa2usb_warning_given = B_FALSE; 5254 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5255 5256 if (scsa2usbp->scsa2usb_ugen_hdl) { 5257 rval = usb_ugen_reconnect_ev_cb( 5258 scsa2usbp->scsa2usb_ugen_hdl); 5259 } 5260 5261 return (rval); 5262 } 5263 5264 5265 /* 5266 * scsa2usb_all_waitQs_empty: 5267 * check if all waitQs empty 5268 */ 5269 static int 5270 scsa2usb_all_waitQs_empty(scsa2usb_state_t *scsa2usbp) 5271 { 5272 uint_t lun; 5273 5274 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) { 5275 if (usba_list_entry_count( 5276 &scsa2usbp->scsa2usb_waitQ[lun])) { 5277 5278 return (USB_FAILURE); 5279 } 5280 } 5281 5282 return (USB_SUCCESS); 5283 } 5284 5285 5286 /* 5287 * scsa2usb_disconnect_event_cb: 5288 * callback for disconnect events 5289 */ 5290 static int 5291 scsa2usb_disconnect_event_cb(dev_info_t *dip) 5292 { 5293 scsa2usb_state_t *scsa2usbp = 5294 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 5295 dev_info_t *cdip; 5296 int circ, i; 5297 int rval = USB_SUCCESS; 5298 5299 ASSERT(scsa2usbp != NULL); 5300 5301 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5302 "scsa2usb_disconnect_event_cb: dip = 0x%p", dip); 5303 5304 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5305 scsa2usbp->scsa2usb_dev_state = USB_DEV_DISCONNECTED; 5306 5307 /* 5308 * wait till the work thread is done, carry on regardless 5309 * if not. 5310 */ 5311 for (i = 0; i < SCSA2USB_DRAIN_TIMEOUT; i++) { 5312 if ((scsa2usbp->scsa2usb_work_thread_id == NULL) && 5313 (scsa2usbp->scsa2usb_cur_pkt == NULL) && 5314 (scsa2usb_all_waitQs_empty(scsa2usbp) == 5315 USB_SUCCESS)) { 5316 5317 break; 5318 } 5319 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5320 delay(drv_usectohz(1000000)); 5321 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5322 } 5323 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5324 5325 ndi_devi_enter(dip, &circ); 5326 for (cdip = ddi_get_child(dip); cdip; ) { 5327 dev_info_t *next = ddi_get_next_sibling(cdip); 5328 5329 mutex_enter(&DEVI(cdip)->devi_lock); 5330 DEVI_SET_DEVICE_REMOVED(cdip); 5331 mutex_exit(&DEVI(cdip)->devi_lock); 5332 5333 cdip = next; 5334 } 5335 ndi_devi_exit(dip, circ); 5336 5337 if (scsa2usbp->scsa2usb_ugen_hdl) { 5338 rval = usb_ugen_disconnect_ev_cb( 5339 scsa2usbp->scsa2usb_ugen_hdl); 5340 } 5341 5342 return (rval); 5343 } 5344 5345 5346 /* 5347 * PM support 5348 * 5349 * scsa2usb_create_pm_components: 5350 * create the pm components required for power management 5351 * no mutex is need when calling USBA interfaces 5352 */ 5353 static void 5354 scsa2usb_create_pm_components(dev_info_t *dip, scsa2usb_state_t *scsa2usbp) 5355 { 5356 scsa2usb_power_t *pm; 5357 uint_t pwr_states; 5358 5359 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5360 5361 USB_DPRINTF_L4(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5362 "scsa2usb_create_pm_components: dip = 0x%p, scsa2usbp = 0x%p", 5363 dip, scsa2usbp); 5364 5365 /* 5366 * determine if this device is on the blacklist 5367 * or if a conf file entry has disabled PM 5368 */ 5369 if ((scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_PM) == 0) { 5370 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5371 "device cannot be power managed"); 5372 5373 return; 5374 } 5375 5376 /* Allocate the PM state structure */ 5377 pm = kmem_zalloc(sizeof (scsa2usb_power_t), KM_SLEEP); 5378 5379 scsa2usbp->scsa2usb_pm = pm; 5380 pm->scsa2usb_current_power = USB_DEV_OS_FULL_PWR; 5381 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5382 5383 if (usb_create_pm_components(dip, &pwr_states) == 5384 USB_SUCCESS) { 5385 if (usb_handle_remote_wakeup(dip, 5386 USB_REMOTE_WAKEUP_ENABLE) == USB_SUCCESS) { 5387 pm->scsa2usb_wakeup_enabled = 1; 5388 } 5389 5390 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5391 pm->scsa2usb_pwr_states = (uint8_t)pwr_states; 5392 scsa2usb_raise_power(scsa2usbp); 5393 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5394 } 5395 5396 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5397 } 5398 5399 5400 /* 5401 * scsa2usb_raise_power: 5402 * check if the device is using full power or not 5403 */ 5404 static void 5405 scsa2usb_raise_power(scsa2usb_state_t *scsa2usbp) 5406 { 5407 USB_DPRINTF_L4(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5408 "scsa2usb_raise_power:"); 5409 5410 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5411 5412 if (scsa2usbp->scsa2usb_pm) { 5413 scsa2usb_pm_busy_component(scsa2usbp); 5414 if (scsa2usbp->scsa2usb_pm->scsa2usb_current_power != 5415 USB_DEV_OS_FULL_PWR) { 5416 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5417 (void) pm_raise_power(scsa2usbp->scsa2usb_dip, 5418 0, USB_DEV_OS_FULL_PWR); 5419 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5420 } 5421 } 5422 } 5423 5424 5425 /* 5426 * functions to handle power transition for OS levels 0 -> 3 5427 */ 5428 static int 5429 scsa2usb_pwrlvl0(scsa2usb_state_t *scsa2usbp) 5430 { 5431 int rval; 5432 5433 switch (scsa2usbp->scsa2usb_dev_state) { 5434 case USB_DEV_ONLINE: 5435 /* Deny the powerdown request if the device is busy */ 5436 if (scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy != 0) { 5437 5438 return (USB_FAILURE); 5439 } 5440 5441 /* 5442 * stop polling on interrupt pipe 5443 */ 5444 scsa2usb_cbi_stop_intr_polling(scsa2usbp); 5445 5446 /* Issue USB D3 command to the device here */ 5447 rval = usb_set_device_pwrlvl3(scsa2usbp->scsa2usb_dip); 5448 ASSERT(rval == USB_SUCCESS); 5449 5450 scsa2usbp->scsa2usb_dev_state = USB_DEV_PWRED_DOWN; 5451 5452 /* FALLTHRU */ 5453 case USB_DEV_DISCONNECTED: 5454 case USB_DEV_SUSPENDED: 5455 case USB_DEV_PWRED_DOWN: 5456 default: 5457 scsa2usbp->scsa2usb_pm->scsa2usb_current_power = 5458 USB_DEV_OS_PWR_OFF; 5459 5460 return (USB_SUCCESS); 5461 } 5462 } 5463 5464 5465 static int 5466 scsa2usb_pwrlvl1(scsa2usb_state_t *scsa2usbp) 5467 { 5468 int rval; 5469 5470 /* Issue USB D2 command to the device here */ 5471 rval = usb_set_device_pwrlvl2(scsa2usbp->scsa2usb_dip); 5472 ASSERT(rval == USB_SUCCESS); 5473 5474 return (DDI_FAILURE); 5475 } 5476 5477 5478 static int 5479 scsa2usb_pwrlvl2(scsa2usb_state_t *scsa2usbp) 5480 { 5481 int rval; 5482 5483 /* Issue USB D1 command to the device here */ 5484 rval = usb_set_device_pwrlvl1(scsa2usbp->scsa2usb_dip); 5485 ASSERT(rval == USB_SUCCESS); 5486 5487 return (DDI_FAILURE); 5488 } 5489 5490 5491 static int 5492 scsa2usb_pwrlvl3(scsa2usb_state_t *scsa2usbp) 5493 { 5494 int rval; 5495 5496 /* 5497 * PM framework tries to put us in full power 5498 * during system shutdown. If we are disconnected 5499 * return success anyways 5500 */ 5501 if (scsa2usbp->scsa2usb_dev_state != USB_DEV_DISCONNECTED) { 5502 /* Issue USB D0 command to the device here */ 5503 rval = usb_set_device_pwrlvl0(scsa2usbp->scsa2usb_dip); 5504 ASSERT(rval == USB_SUCCESS); 5505 5506 scsa2usbp->scsa2usb_dev_state = USB_DEV_ONLINE; 5507 } 5508 scsa2usbp->scsa2usb_pm->scsa2usb_current_power = USB_DEV_OS_FULL_PWR; 5509 5510 return (DDI_SUCCESS); 5511 } 5512 5513 5514 /* 5515 * scsa2usb_power: 5516 * power entry point 5517 */ 5518 /* ARGSUSED */ 5519 static int 5520 scsa2usb_power(dev_info_t *dip, int comp, int level) 5521 { 5522 scsa2usb_state_t *scsa2usbp; 5523 scsa2usb_power_t *pm; 5524 int rval = DDI_FAILURE; 5525 5526 scsa2usbp = ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip)); 5527 5528 USB_DPRINTF_L3(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5529 "scsa2usb_power: Begin scsa2usbp (%p): level = %d", 5530 scsa2usbp, level); 5531 5532 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5533 if (SCSA2USB_BUSY(scsa2usbp)) { 5534 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5535 "scsa2usb_power: busy"); 5536 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5537 5538 return (rval); 5539 } 5540 5541 pm = scsa2usbp->scsa2usb_pm; 5542 if (pm == NULL) { 5543 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5544 "scsa2usb_power: pm NULL"); 5545 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5546 5547 return (rval); 5548 } 5549 5550 /* check if we are transitioning to a legal power level */ 5551 if (USB_DEV_PWRSTATE_OK(pm->scsa2usb_pwr_states, level)) { 5552 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle, 5553 "scsa2usb_power: illegal power level = %d " 5554 "pwr_states: %x", level, pm->scsa2usb_pwr_states); 5555 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5556 5557 return (rval); 5558 } 5559 5560 switch (level) { 5561 case USB_DEV_OS_PWR_OFF : 5562 rval = scsa2usb_pwrlvl0(scsa2usbp); 5563 break; 5564 case USB_DEV_OS_PWR_1 : 5565 rval = scsa2usb_pwrlvl1(scsa2usbp); 5566 break; 5567 case USB_DEV_OS_PWR_2 : 5568 rval = scsa2usb_pwrlvl2(scsa2usbp); 5569 break; 5570 case USB_DEV_OS_FULL_PWR : 5571 rval = scsa2usb_pwrlvl3(scsa2usbp); 5572 break; 5573 } 5574 5575 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5576 5577 return ((rval == USB_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); 5578 } 5579 5580 5581 static void 5582 scsa2usb_pm_busy_component(scsa2usb_state_t *scsa2usbp) 5583 { 5584 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5585 5586 if (scsa2usbp->scsa2usb_pm) { 5587 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy++; 5588 5589 USB_DPRINTF_L4(DPRINT_MASK_PM, 5590 scsa2usbp->scsa2usb_log_handle, 5591 "scsa2usb_pm_busy_component: %d", 5592 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy); 5593 5594 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5595 5596 if (pm_busy_component(scsa2usbp->scsa2usb_dip, 0) != 5597 DDI_SUCCESS) { 5598 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5599 ASSERT(scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy > 0); 5600 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy--; 5601 5602 USB_DPRINTF_L2(DPRINT_MASK_PM, 5603 scsa2usbp->scsa2usb_log_handle, 5604 "scsa2usb_pm_busy_component failed: %d", 5605 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy); 5606 5607 return; 5608 } 5609 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5610 } 5611 } 5612 5613 5614 /* 5615 * scsa2usb_pm_idle_component: 5616 * idles the device 5617 */ 5618 static void 5619 scsa2usb_pm_idle_component(scsa2usb_state_t *scsa2usbp) 5620 { 5621 ASSERT(!mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5622 5623 if (scsa2usbp->scsa2usb_pm) { 5624 if (pm_idle_component(scsa2usbp->scsa2usb_dip, 0) == 5625 DDI_SUCCESS) { 5626 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5627 ASSERT(scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy > 0); 5628 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy--; 5629 5630 USB_DPRINTF_L4(DPRINT_MASK_PM, 5631 scsa2usbp->scsa2usb_log_handle, 5632 "scsa2usb_pm_idle_component: %d", 5633 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy); 5634 5635 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5636 } 5637 } 5638 } 5639 5640 5641 #ifdef DEBUG 5642 /* 5643 * scsa2usb_print_cdb: 5644 * prints CDB 5645 */ 5646 void 5647 scsa2usb_print_cdb(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd) 5648 { 5649 uchar_t *c = (uchar_t *)&cmd->cmd_cdb; 5650 5651 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5652 "cmd = 0x%p opcode=%s " 5653 "cdb: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", 5654 cmd, scsi_cname(cmd->cmd_cdb[SCSA2USB_OPCODE], scsa2usb_cmds), 5655 c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8], 5656 c[9], c[10], c[11], c[12], c[13], c[14], c[15]); 5657 } 5658 #endif /* DEBUG */ 5659 5660 5661 #ifdef SCSA2USB_BULK_ONLY_TEST 5662 /* 5663 * scsa2usb_test_mblk: 5664 * This function sends a dummy data mblk_t to simulate 5665 * the following test cases: 5 and 11. 5666 */ 5667 static void 5668 scsa2usb_test_mblk(scsa2usb_state_t *scsa2usbp, boolean_t large) 5669 { 5670 int i, rval; 5671 size_t len; 5672 usb_flags_t flags = USB_FLAGS_SLEEP; 5673 usb_bulk_req_t *req; 5674 5675 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex)); 5676 5677 /* should we create a larger mblk? */ 5678 len = (large == B_TRUE) ? DEV_BSIZE : USB_BULK_CBWCMD_LEN; 5679 5680 req = scsa2usb_init_bulk_req(scsa2usbp, len, 5681 SCSA2USB_BULK_PIPE_TIMEOUT, 0, flags); 5682 5683 /* fill up the data mblk */ 5684 for (i = 0; i < len; i++) { 5685 *req->bulk_data->b_wptr++ = (uchar_t)i; 5686 } 5687 5688 mutex_exit(&scsa2usbp->scsa2usb_mutex); 5689 ASSERT(req->bulk_timeout); 5690 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkout_pipe, req, flags); 5691 mutex_enter(&scsa2usbp->scsa2usb_mutex); 5692 5693 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle, 5694 "scsa2usb_test_mblk: Sent Data Out rval = 0x%x", rval); 5695 5696 usb_free_bulk_req(req); 5697 } 5698 #endif /* SCSA2USB_BULK_ONLY_TEST */ 5699