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7127 remove -Wno-missing-braces from Makefile.uts
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--- old/usr/src/uts/common/io/usb/scsa2usb/scsa2usb.c
+++ new/usr/src/uts/common/io/usb/scsa2usb/scsa2usb.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
23 23 * Use is subject to license terms.
24 24 */
25 25
26 26
27 27 /*
28 28 * scsa2usb bridge nexus driver:
29 29 *
30 30 * This driver supports the following wire transports:
31 31 * a. Bulk Only transport (see usb_ms_bulkonly.c)
32 32 * b. CB transport (see usb_ms_cbi.c)
33 33 * c. CBI transport with interrupt status completion (see usb_ms_cbi.c)
34 34 *
35 35 * It handles the following command sets:
36 36 * a. SCSI
37 37 * b. ATAPI command set (subset of SCSI command set)
38 38 * c. UFI command set (
39 39 * http://www.usb.org/developers/devclass_docs/usbmass-ufi10.pdf)
40 40 *
41 41 * For details on USB Mass Storage Class overview:
42 42 * http://www.usb.org/developers/devclass_docs/usbmassover_11.pdf
43 43 */
44 44 #if defined(lint) && !defined(DEBUG)
45 45 #define DEBUG 1
46 46 #endif
47 47
48 48 #include <sys/usb/usba/usbai_version.h>
49 49 #include <sys/scsi/scsi.h>
50 50 #include <sys/cdio.h>
51 51 #include <sys/sunndi.h>
52 52 #include <sys/esunddi.h>
53 53 #include <sys/callb.h>
54 54 #include <sys/kobj.h>
55 55 #include <sys/kobj_lex.h>
56 56 #include <sys/strsubr.h>
57 57 #include <sys/strsun.h>
58 58 #include <sys/sysmacros.h>
59 59
60 60 #include <sys/usb/usba.h>
61 61 #include <sys/usb/clients/ugen/usb_ugen.h>
62 62 #include <sys/usb/usba/usba_ugen.h>
63 63
64 64 #include <sys/usb/usba/usba_private.h>
65 65 #include <sys/usb/usba/usba_ugend.h>
66 66 #include <sys/usb/clients/mass_storage/usb_bulkonly.h>
67 67 #include <sys/usb/scsa2usb/scsa2usb.h>
68 68
69 69 /*
70 70 * Function Prototypes
71 71 */
72 72 static int scsa2usb_attach(dev_info_t *, ddi_attach_cmd_t);
73 73 static int scsa2usb_info(dev_info_t *, ddi_info_cmd_t, void *,
74 74 void **);
75 75 static int scsa2usb_detach(dev_info_t *, ddi_detach_cmd_t);
76 76 static int scsa2usb_cleanup(dev_info_t *, scsa2usb_state_t *);
77 77 static void scsa2usb_validate_attrs(scsa2usb_state_t *);
78 78 static void scsa2usb_create_luns(scsa2usb_state_t *);
79 79 static int scsa2usb_is_usb(dev_info_t *);
80 80 static void scsa2usb_fake_inquiry(scsa2usb_state_t *,
81 81 struct scsi_inquiry *);
82 82 static void scsa2usb_do_inquiry(scsa2usb_state_t *,
83 83 uint_t, uint_t);
84 84 static int scsa2usb_do_tur(scsa2usb_state_t *, struct scsi_address *);
85 85
86 86 /* override property handling */
87 87 static void scsa2usb_override(scsa2usb_state_t *);
88 88 static int scsa2usb_parse_input_str(char *, scsa2usb_ov_t *,
89 89 scsa2usb_state_t *);
90 90 static void scsa2usb_override_error(char *, scsa2usb_state_t *);
91 91 static char *scsa2usb_strtok_r(char *, char *, char **);
92 92
93 93
94 94 /* PANIC callback handling */
95 95 static void scsa2usb_panic_callb_init(scsa2usb_state_t *);
96 96 static void scsa2usb_panic_callb_fini(scsa2usb_state_t *);
97 97 static boolean_t scsa2usb_panic_callb(void *, int);
98 98
99 99 /* SCSA support */
100 100 static int scsa2usb_scsi_tgt_probe(struct scsi_device *, int (*)(void));
101 101 static int scsa2usb_scsi_tgt_init(dev_info_t *, dev_info_t *,
102 102 scsi_hba_tran_t *, struct scsi_device *);
103 103 static void scsa2usb_scsi_tgt_free(dev_info_t *, dev_info_t *,
104 104 scsi_hba_tran_t *, struct scsi_device *);
105 105 static struct scsi_pkt *scsa2usb_scsi_init_pkt(struct scsi_address *,
106 106 struct scsi_pkt *, struct buf *, int, int,
107 107 int, int, int (*)(), caddr_t);
108 108 static void scsa2usb_scsi_destroy_pkt(struct scsi_address *,
109 109 struct scsi_pkt *);
110 110 static int scsa2usb_scsi_start(struct scsi_address *, struct scsi_pkt *);
111 111 static int scsa2usb_scsi_abort(struct scsi_address *, struct scsi_pkt *);
112 112 static int scsa2usb_scsi_reset(struct scsi_address *, int);
113 113 static int scsa2usb_scsi_getcap(struct scsi_address *, char *, int);
114 114 static int scsa2usb_scsi_setcap(struct scsi_address *, char *, int, int);
115 115 static int scsa2usb_scsi_bus_config(dev_info_t *, uint_t,
116 116 ddi_bus_config_op_t, void *, dev_info_t **);
117 117 static int scsa2usb_scsi_bus_unconfig(dev_info_t *, uint_t,
118 118 ddi_bus_config_op_t, void *);
119 119
120 120 /* functions for command and transport support */
121 121 static void scsa2usb_prepare_pkt(scsa2usb_state_t *, struct scsi_pkt *);
122 122 static int scsa2usb_cmd_transport(scsa2usb_state_t *, scsa2usb_cmd_t *);
123 123 static int scsa2usb_check_bulkonly_blacklist_attrs(scsa2usb_state_t *,
124 124 scsa2usb_cmd_t *, uchar_t);
125 125 static int scsa2usb_check_ufi_blacklist_attrs(scsa2usb_state_t *, uchar_t,
126 126 scsa2usb_cmd_t *);
127 127 static int scsa2usb_handle_scsi_cmd_sub_class(scsa2usb_state_t *,
128 128 scsa2usb_cmd_t *, struct scsi_pkt *);
129 129 static int scsa2usb_handle_ufi_subclass_cmd(scsa2usb_state_t *,
130 130 scsa2usb_cmd_t *, struct scsi_pkt *);
131 131
132 132 /* waitQ handling */
133 133 static void scsa2usb_work_thread(void *);
134 134 static void scsa2usb_transport_request(scsa2usb_state_t *, uint_t);
135 135 static void scsa2usb_flush_waitQ(scsa2usb_state_t *, uint_t, uchar_t);
136 136 static int scsa2usb_all_waitQs_empty(scsa2usb_state_t *);
137 137
138 138 /* auto request sense handling */
139 139 static int scsa2usb_create_arq_pkt(scsa2usb_state_t *,
140 140 struct scsi_address *);
141 141 static void scsa2usb_delete_arq_pkt(scsa2usb_state_t *);
142 142 static void scsa2usb_complete_arq_pkt(scsa2usb_state_t *, struct scsi_pkt *,
143 143 scsa2usb_cmd_t *, struct buf *);
144 144
145 145 /* utility functions for any transport */
146 146 static int scsa2usb_open_usb_pipes(scsa2usb_state_t *);
147 147 void scsa2usb_close_usb_pipes(scsa2usb_state_t *);
148 148
149 149 static void scsa2usb_fill_up_cdb_len(scsa2usb_cmd_t *, int);
150 150 static void scsa2usb_fill_up_cdb_lba(scsa2usb_cmd_t *, int);
151 151 static void scsa2usb_fill_up_ReadCD_cdb_len(scsa2usb_cmd_t *, int, int);
152 152 static void scsa2usb_fill_up_12byte_cdb_len(scsa2usb_cmd_t *, int, int);
153 153 static int scsa2usb_read_cd_blk_size(uchar_t);
154 154 int scsa2usb_rw_transport(scsa2usb_state_t *, struct scsi_pkt *);
155 155 void scsa2usb_setup_next_xfer(scsa2usb_state_t *, scsa2usb_cmd_t *);
156 156
157 157 static mblk_t *scsa2usb_bp_to_mblk(scsa2usb_state_t *);
158 158 int scsa2usb_handle_data_start(scsa2usb_state_t *,
159 159 scsa2usb_cmd_t *, usb_bulk_req_t *);
160 160 void scsa2usb_handle_data_done(scsa2usb_state_t *,
161 161 scsa2usb_cmd_t *cmd, usb_bulk_req_t *);
162 162
163 163 usb_bulk_req_t *scsa2usb_init_bulk_req(scsa2usb_state_t *,
164 164 size_t, uint_t, usb_req_attrs_t, usb_flags_t);
165 165 int scsa2usb_bulk_timeout(int);
166 166 int scsa2usb_clear_ept_stall(scsa2usb_state_t *, uint_t,
167 167 usb_pipe_handle_t, char *);
168 168 static void scsa2usb_pkt_completion(scsa2usb_state_t *, struct scsi_pkt *);
169 169
170 170 /* event handling */
171 171 static int scsa2usb_reconnect_event_cb(dev_info_t *);
172 172 static int scsa2usb_disconnect_event_cb(dev_info_t *);
173 173 static int scsa2usb_cpr_suspend(dev_info_t *);
174 174 static void scsa2usb_cpr_resume(dev_info_t *);
175 175 static void scsa2usb_restore_device_state(dev_info_t *, scsa2usb_state_t *);
176 176
177 177 /* PM handling */
178 178 static void scsa2usb_create_pm_components(dev_info_t *, scsa2usb_state_t *);
179 179 static void scsa2usb_raise_power(scsa2usb_state_t *);
180 180 static int scsa2usb_pwrlvl0(scsa2usb_state_t *);
181 181 static int scsa2usb_pwrlvl1(scsa2usb_state_t *);
182 182 static int scsa2usb_pwrlvl2(scsa2usb_state_t *);
183 183 static int scsa2usb_pwrlvl3(scsa2usb_state_t *);
184 184 static int scsa2usb_power(dev_info_t *, int comp, int level);
185 185 static void scsa2usb_pm_busy_component(scsa2usb_state_t *);
186 186 static void scsa2usb_pm_idle_component(scsa2usb_state_t *);
187 187
188 188 /* external functions for Bulk only (BO) support */
189 189 extern int scsa2usb_bulk_only_transport(scsa2usb_state_t *,
190 190 scsa2usb_cmd_t *);
191 191 extern int scsa2usb_bulk_only_get_max_lun(scsa2usb_state_t *);
192 192
193 193 /* external functions for CB/CBI support */
194 194 extern int scsa2usb_cbi_transport(scsa2usb_state_t *, scsa2usb_cmd_t *);
195 195 extern void scsa2usb_cbi_stop_intr_polling(scsa2usb_state_t *);
196 196
197 197
198 198 /* cmd decoding */
199 199 static char *scsa2usb_cmds[] = {
200 200 "\000tur",
201 201 "\001rezero",
202 202 "\003rqsense",
203 203 "\004format",
204 204 "\014cartprot",
205 205 "\022inquiry",
206 206 "\026tranlba",
207 207 "\030fmtverify",
208 208 "\032modesense",
209 209 "\033start",
210 210 "\035snddiag",
211 211 "\036doorlock",
212 212 "\043formatcap",
213 213 "\045readcap",
214 214 "\050read10",
215 215 "\052write10",
216 216 "\053seek10",
217 217 "\056writeverify",
218 218 "\057verify",
219 219 "\065synchcache",
220 220 "\076readlong",
221 221 "\077writelong",
222 222 "\102readsubchan",
223 223 "\103readtoc",
224 224 "\104readhdr",
225 225 "\105playaudio10",
226 226 "\107playaudio_msf",
227 227 "\110playaudio_ti",
228 228 "\111playtrk_r10",
229 229 "\112geteventnotify",
230 230 "\113pause_resume",
231 231 "\116stop/play_scan",
232 232 "\121readdiscinfo",
233 233 "\122readtrkinfo",
234 234 "\123reservedtrk",
235 235 "\124sendopcinfo",
236 236 "\125modeselect",
237 237 "\132modesense",
238 238 "\133closetrksession",
239 239 "\135sendcuesheet",
240 240 "\136prin",
241 241 "\137prout",
242 242 "\241blankcd",
243 243 "\245playaudio12",
244 244 "\250read12",
245 245 "\251playtrk12",
246 246 "\252write12",
247 247 "\254getperf",
248 248 "\271readcdmsf",
249 249 "\273setcdspeed",
250 250 "\275mechanism_sts",
251 251 "\276readcd",
252 252 NULL
253 253 };
254 254
255 255
256 256 /*
257 257 * Mass-Storage devices masquerade as "sd" disks.
258 258 *
259 259 * These devices may not support all SCSI CDBs in their
260 260 * entirety due to their hardware implementation limitations.
261 261 *
262 262 * As such, following is a list of some of the black-listed
263 263 * devices w/ the attributes that they do not support.
264 264 * (See scsa2usb.h for description on each attribute)
265 265 */
266 266 #define X ((uint16_t)(-1))
267 267
268 268 static struct blacklist {
269 269 uint16_t idVendor; /* vendor ID */
270 270 uint16_t idProduct; /* product ID */
271 271 uint16_t bcdDevice; /* device release number in bcd */
272 272 uint16_t attributes; /* attributes to blacklist */
273 273 } scsa2usb_blacklist[] = {
274 274 /* Iomega Zip100 drive (prototype) with flaky bridge */
275 275 {MS_IOMEGA_VID, MS_IOMEGA_PID1_ZIP100, 0,
276 276 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_PM},
277 277
278 278 /* Iomega Zip100 drive (newer model) with flaky bridge */
279 279 {MS_IOMEGA_VID, MS_IOMEGA_PID2_ZIP100, 0,
280 280 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_PM},
281 281
282 282 /* Iomega Zip100 drive (newer model) with flaky bridge */
283 283 {MS_IOMEGA_VID, MS_IOMEGA_PID3_ZIP100, 0,
284 284 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_PM},
285 285
286 286 /* Iomega Zip250 drive */
287 287 {MS_IOMEGA_VID, MS_IOMEGA_PID_ZIP250, 0, SCSA2USB_ATTRS_GET_LUN},
288 288
289 289 /* Iomega Clik! drive */
290 290 {MS_IOMEGA_VID, MS_IOMEGA_PID_CLIK, 0,
291 291 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP},
292 292
293 293 /* Kingston DataTraveler Stick / PNY Attache Stick */
294 294 {MS_TOSHIBA_VID, MS_TOSHIBA_PID0, 0,
295 295 SCSA2USB_ATTRS_GET_LUN},
296 296
297 297 /* PNY Floppy drive */
298 298 {MS_PNY_VID, MS_PNY_PID0, 0,
299 299 SCSA2USB_ATTRS_GET_LUN},
300 300
301 301 /* SMSC floppy Device - and its clones */
302 302 {MS_SMSC_VID, X, 0, SCSA2USB_ATTRS_START_STOP},
303 303
304 304 /* Hagiwara SmartMedia Device */
305 305 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID1, 0,
306 306 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP},
307 307
308 308 /* Hagiwara CompactFlash Device */
309 309 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID2, 0,
310 310 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP},
311 311
312 312 /* Hagiwara SmartMedia/CompactFlash Combo Device */
313 313 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID3, 0,
314 314 SCSA2USB_ATTRS_START_STOP},
315 315
316 316 /* Hagiwara new SM Device */
317 317 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID4, 0,
318 318 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP},
319 319
320 320 /* Hagiwara new CF Device */
321 321 {MS_HAGIWARA_SYS_COM_VID, MS_HAGIWARA_SYSCOM_PID5, 0,
322 322 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_START_STOP},
323 323
324 324 /* Mitsumi CD-RW Device(s) */
325 325 {MS_MITSUMI_VID, X, X, SCSA2USB_ATTRS_BIG_TIMEOUT |
326 326 SCSA2USB_ATTRS_GET_CONF | SCSA2USB_ATTRS_GET_PERF},
327 327
328 328 /* Neodio Technologies Corporation SM/CF/MS/SD Combo Device */
329 329 {MS_NEODIO_VID, MS_NEODIO_DEVICE_3050, 0,
330 330 SCSA2USB_ATTRS_MODE_SENSE },
331 331
332 332 /* dumb flash devices */
333 333 {MS_SONY_FLASH_VID, MS_SONY_FLASH_PID, 0,
334 334 SCSA2USB_ATTRS_REDUCED_CMD},
335 335
336 336 {MS_TREK_FLASH_VID, MS_TREK_FLASH_PID, 0,
337 337 SCSA2USB_ATTRS_REDUCED_CMD},
338 338
339 339 {MS_PENN_FLASH_VID, MS_PENN_FLASH_PID, 0,
340 340 SCSA2USB_ATTRS_REDUCED_CMD},
341 341
342 342 /* SimpleTech UCF-100 CF Device */
343 343 {MS_SIMPLETECH_VID, MS_SIMPLETECH_PID1, 0,
344 344 SCSA2USB_ATTRS_REDUCED_CMD},
345 345
346 346 {MS_ADDONICS_CARD_READER_VID, MS_ADDONICS_CARD_READER_PID,
347 347 0, SCSA2USB_ATTRS_REDUCED_CMD},
348 348
349 349 /* Acomdata 80GB USB/1394 Hard Disk */
350 350 {MS_ACOMDATA_VID, MS_ACOMDATA_PID1, 0,
351 351 SCSA2USB_ATTRS_USE_CSW_RESIDUE},
352 352
353 353 /* OTi6828 Flash Disk */
354 354 {MS_OTI_VID, MS_OTI_DEVICE_6828, 0,
355 355 SCSA2USB_ATTRS_USE_CSW_RESIDUE},
356 356
357 357 /* AMI Virtual Floppy */
358 358 {MS_AMI_VID, MS_AMI_VIRTUAL_FLOPPY, 0,
359 359 SCSA2USB_ATTRS_NO_MEDIA_CHECK},
360 360
361 361 /* ScanLogic USB Storage Device */
362 362 {MS_SCANLOGIC_VID, MS_SCANLOGIC_PID1, 0,
363 363 SCSA2USB_ATTRS_NO_CAP_ADJUST},
364 364
365 365 /* Super Top USB 2.0 IDE Device */
366 366 {MS_SUPERTOP_VID, MS_SUPERTOP_DEVICE_6600, 0,
367 367 SCSA2USB_ATTRS_USE_CSW_RESIDUE},
368 368
369 369 /* Aigo Miniking Device NEHFSP14 */
370 370 {MS_AIGO_VID, MS_AIGO_DEVICE_6981, 0,
371 371 SCSA2USB_ATTRS_USE_CSW_RESIDUE},
372 372
373 373 /* Alcor Micro Corp 6387 flash disk */
374 374 {MS_ALCOR_VID, MS_ALCOR_PID0, 0,
375 375 SCSA2USB_ATTRS_GET_LUN | SCSA2USB_ATTRS_USE_CSW_RESIDUE},
376 376
377 377 /* Western Digital External HDD */
378 378 {MS_WD_VID, MS_WD_PID, 0,
379 379 SCSA2USB_ATTRS_INQUIRY_EVPD}
380 380 };
381 381
382 382
383 383 #define N_SCSA2USB_BLACKLIST (sizeof (scsa2usb_blacklist))/ \
384 384 sizeof (struct blacklist)
385 385
386 386 /*
387 387 * Attribute values can be overridden by values
388 388 * contained in the scsa2usb.conf file.
389 389 * These arrays define possible user input values.
390 390 */
391 391
392 392 struct scsa2usb_subclass_protocol_override {
393 393 char *name;
394 394 int value;
395 395 };
396 396
397 397 static struct scsa2usb_subclass_protocol_override scsa2usb_protocol[] = {
398 398 {"CB", SCSA2USB_CB_PROTOCOL},
399 399 {"CBI", SCSA2USB_CBI_PROTOCOL},
400 400 {"BO", SCSA2USB_BULK_ONLY_PROTOCOL}
401 401 };
402 402
403 403 static struct scsa2usb_subclass_protocol_override scsa2usb_subclass[] = {
404 404 {"SCSI", SCSA2USB_SCSI_CMDSET},
405 405 {"ATAPI", SCSA2USB_ATAPI_CMDSET},
406 406 {"UFI", SCSA2USB_UFI_CMDSET}
407 407 };
408 408
409 409
410 410 #define N_SCSA2USB_SUBC_OVERRIDE (sizeof (scsa2usb_subclass))/ \
411 411 sizeof (struct scsa2usb_subclass_protocol_override)
412 412
413 413 #define N_SCSA2USB_PROT_OVERRIDE (sizeof (scsa2usb_protocol))/ \
414 414 sizeof (struct scsa2usb_subclass_protocol_override)
415 415
416 416 /* global variables */
417 417 static void *scsa2usb_statep; /* for soft state */
418 418 static boolean_t scsa2usb_sync_message = B_TRUE; /* for syncing */
419 419
420 420 /* for debug messages */
421 421 uint_t scsa2usb_errmask = (uint_t)DPRINT_MASK_ALL;
422 422 uint_t scsa2usb_errlevel = USB_LOG_L4;
423 423 uint_t scsa2usb_instance_debug = (uint_t)-1;
424 424 uint_t scsa2usb_scsi_bus_config_debug = 0;
425 425 uint_t scsa2usb_long_timeout = 50 * SCSA2USB_BULK_PIPE_TIMEOUT;
426 426
427 427
428 428 /*
429 429 * Some devices have problems with big bulk transfers,
430 430 * transfers >= 128kbytes hang the device. This tunable allows to
431 431 * limit the maximum bulk transfers rate.
432 432 */
433 433 uint_t scsa2usb_max_bulk_xfer_size = SCSA2USB_MAX_BULK_XFER_SIZE;
434 434
435 435
436 436 #ifdef SCSA2USB_BULK_ONLY_TEST
437 437 /*
438 438 * Test BO 13 cases. (See USB Mass Storage Class - Bulk Only Transport).
439 439 * We are not covering test cases 1, 6, and 12 as these are the "good"
440 440 * test cases and are tested as part of the normal drive access operations.
441 441 *
442 442 * NOTE: This is for testing only. It will be replaced by a uscsi test.
443 443 * Some are listed here while; other test cases are moved to usb_bulkonly.c
444 444 */
445 445 static int scsa2usb_test_case_5 = 0;
446 446 int scsa2usb_test_case_8 = 0;
447 447 int scsa2usb_test_case_10 = 0;
448 448 static int scsa2usb_test_case_11 = 0;
449 449
450 450 static void scsa2usb_test_mblk(scsa2usb_state_t *, boolean_t);
451 451 #endif /* SCSA2USB_BULK_ONLY_TEST */
452 452
453 453 static int scsa2usb_ugen_open(dev_t *, int, int, cred_t *);
454 454 static int scsa2usb_ugen_close(dev_t, int, int, cred_t *);
455 455 static int scsa2usb_ugen_read(dev_t, struct uio *, cred_t *);
456 456 static int scsa2usb_ugen_write(dev_t, struct uio *, cred_t *);
457 457 static int scsa2usb_ugen_poll(dev_t, short, int, short *,
458 458 struct pollhead **);
459 459
460 460 /* scsa2usb cb_ops */
461 461 static struct cb_ops scsa2usb_cbops = {
462 462 scsa2usb_ugen_open, /* open */
463 463 scsa2usb_ugen_close, /* close */
464 464 nodev, /* strategy */
465 465 nodev, /* print */
466 466 nodev, /* dump */
467 467 scsa2usb_ugen_read, /* read */
468 468 scsa2usb_ugen_write, /* write */
469 469 nodev, /* ioctl */
470 470 nodev, /* devmap */
471 471 nodev, /* mmap */
472 472 nodev, /* segmap */
473 473 scsa2usb_ugen_poll, /* poll */
474 474 ddi_prop_op, /* prop_op */
475 475 NULL, /* stream */
476 476 D_MP, /* cb_flag */
477 477 CB_REV, /* rev */
478 478 nodev, /* int (*cb_aread)() */
479 479 nodev /* int (*cb_awrite)() */
480 480 };
481 481
482 482 /* modloading support */
483 483 static struct dev_ops scsa2usb_ops = {
484 484 DEVO_REV, /* devo_rev, */
485 485 0, /* refcnt */
486 486 scsa2usb_info, /* info */
487 487 nulldev, /* identify */
488 488 nulldev, /* probe */
489 489 scsa2usb_attach, /* attach */
490 490 scsa2usb_detach, /* detach */
491 491 nodev, /* reset */
492 492 &scsa2usb_cbops, /* driver operations */
493 493 NULL, /* bus operations */
494 494 scsa2usb_power, /* power */
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495 495 ddi_quiesce_not_needed, /* quiesce */
496 496 };
497 497
498 498 static struct modldrv modldrv = {
499 499 &mod_driverops, /* Module type. This one is a driver */
500 500 "SCSA to USB Driver", /* Name of the module. */
501 501 &scsa2usb_ops, /* driver ops */
502 502 };
503 503
504 504 static struct modlinkage modlinkage = {
505 - MODREV_1, (void *)&modldrv, NULL
505 + MODREV_1, { (void *)&modldrv, NULL }
506 506 };
507 507
508 508 /* event support */
509 509 static usb_event_t scsa2usb_events = {
510 510 scsa2usb_disconnect_event_cb,
511 511 scsa2usb_reconnect_event_cb,
512 512 NULL, NULL
513 513 };
514 514
515 515 int
516 516 _init(void)
517 517 {
518 518 int rval;
519 519
520 520 if (((rval = ddi_soft_state_init(&scsa2usb_statep,
521 521 sizeof (scsa2usb_state_t), SCSA2USB_INITIAL_ALLOC)) != 0)) {
522 522
523 523 return (rval);
524 524 }
525 525
526 526 if ((rval = scsi_hba_init(&modlinkage)) != 0) {
527 527 ddi_soft_state_fini(&scsa2usb_statep);
528 528
529 529 return (rval);
530 530 }
531 531
532 532 if ((rval = mod_install(&modlinkage)) != 0) {
533 533 scsi_hba_fini(&modlinkage);
534 534 ddi_soft_state_fini(&scsa2usb_statep);
535 535
536 536 return (rval);
537 537 }
538 538
539 539 return (rval);
540 540 }
541 541
542 542
543 543 int
544 544 _fini(void)
545 545 {
546 546 int rval;
547 547
548 548 if ((rval = mod_remove(&modlinkage)) == 0) {
549 549 scsi_hba_fini(&modlinkage);
550 550 ddi_soft_state_fini(&scsa2usb_statep);
551 551 }
552 552
553 553 return (rval);
554 554 }
555 555
556 556
557 557 int
558 558 _info(struct modinfo *modinfop)
559 559 {
560 560 return (mod_info(&modlinkage, modinfop));
561 561 }
562 562
563 563
564 564 /*
565 565 * scsa2usb_info :
566 566 * Get minor number, soft state structure etc.
567 567 */
568 568 /*ARGSUSED*/
569 569 static int
570 570 scsa2usb_info(dev_info_t *dip, ddi_info_cmd_t infocmd,
571 571 void *arg, void **result)
572 572 {
573 573 scsa2usb_state_t *scsa2usbp = NULL;
574 574 int error = DDI_FAILURE;
575 575 int instance = SCSA2USB_MINOR_TO_INSTANCE(getminor((dev_t)arg));
576 576
577 577 switch (infocmd) {
578 578 case DDI_INFO_DEVT2DEVINFO:
579 579 if (((scsa2usbp = ddi_get_soft_state(scsa2usb_statep,
580 580 instance)) != NULL) &&
581 581 scsa2usbp->scsa2usb_dip) {
582 582 *result = scsa2usbp->scsa2usb_dip;
583 583 error = DDI_SUCCESS;
584 584 } else {
585 585 *result = NULL;
586 586 }
587 587 break;
588 588 case DDI_INFO_DEVT2INSTANCE:
589 589 *result = (void *)(uintptr_t)instance;
590 590 error = DDI_SUCCESS;
591 591 break;
592 592 default:
593 593 break;
594 594 }
595 595
596 596 return (error);
597 597 }
598 598
599 599
600 600 /*
601 601 * scsa2usb_attach:
602 602 * Attach driver
603 603 * Allocate a "scsi_hba_tran" - call scsi_hba_tran_alloc()
604 604 * Invoke scsi_hba_attach_setup
605 605 * Get the serialno of the device
606 606 * Open bulk pipes
607 607 * Create disk child(ren)
608 608 * Register events
609 609 * Create and register panic callback
610 610 *
611 611 * NOTE: Replaced CBW_DIR_OUT with USB_EP_DIR_OUT and CBW_DIR_IN with
612 612 * USB_EP_DIR_IN as they are the same #defines.
613 613 */
614 614 static int
615 615 scsa2usb_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
616 616 {
617 617 int instance = ddi_get_instance(dip);
618 618 int interface;
619 619 uint_t lun;
620 620 boolean_t ept_check = B_TRUE;
621 621 scsi_hba_tran_t *tran; /* scsi transport */
622 622 scsa2usb_state_t *scsa2usbp;
623 623 usb_log_handle_t log_handle;
624 624 usb_ep_data_t *ep_data;
625 625 usb_client_dev_data_t *dev_data;
626 626 usb_alt_if_data_t *altif_data;
627 627 usb_ugen_info_t usb_ugen_info;
628 628
629 629 USB_DPRINTF_L4(DPRINT_MASK_SCSA, NULL,
630 630 "scsa2usb_attach: dip = 0x%p", (void *)dip);
631 631
632 632 switch (cmd) {
633 633 case DDI_ATTACH:
634 634 break;
635 635 case DDI_RESUME:
636 636 scsa2usb_cpr_resume(dip);
637 637
638 638 return (DDI_SUCCESS);
639 639 default:
640 640 USB_DPRINTF_L2(DPRINT_MASK_SCSA, NULL,
641 641 "scsa2usb_attach: failed");
642 642
643 643 return (DDI_FAILURE);
644 644 }
645 645
646 646 /* Allocate softc information */
647 647 if (ddi_soft_state_zalloc(scsa2usb_statep, instance) != DDI_SUCCESS) {
648 648 ddi_prop_remove_all(dip);
649 649
650 650 return (DDI_FAILURE);
651 651 }
652 652
653 653 /* get soft state space and initialize */
654 654 if ((scsa2usbp = ddi_get_soft_state(scsa2usb_statep,
655 655 instance)) == NULL) {
656 656 USB_DPRINTF_L2(DPRINT_MASK_SCSA, NULL,
657 657 "scsa2usb%d: bad soft state", instance);
658 658 ddi_prop_remove_all(dip);
659 659
660 660 return (DDI_FAILURE);
661 661 }
662 662
663 663 scsa2usbp->scsa2usb_dip = dip;
664 664 scsa2usbp->scsa2usb_instance = instance;
665 665
666 666 /* allocate a log handle for debug/error messages */
667 667 scsa2usbp->scsa2usb_log_handle = log_handle =
668 668 usb_alloc_log_hdl(dip, "s2u",
669 669 &scsa2usb_errlevel,
670 670 &scsa2usb_errmask, &scsa2usb_instance_debug,
671 671 0);
672 672
673 673 /* attach to USBA */
674 674 if (usb_client_attach(dip, USBDRV_VERSION, 0) != USB_SUCCESS) {
675 675 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
676 676 "usb_client_attach failed");
677 677
678 678 goto fail;
679 679 }
680 680 if (usb_get_dev_data(dip, &dev_data, USB_PARSE_LVL_IF, 0) !=
681 681 USB_SUCCESS) {
682 682 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
683 683 "usb_get_dev_data failed");
684 684
685 685 goto fail;
686 686 }
687 687
688 688 /* initialize the mutex with the right cookie */
689 689 mutex_init(&scsa2usbp->scsa2usb_mutex, NULL, MUTEX_DRIVER,
690 690 dev_data->dev_iblock_cookie);
691 691 cv_init(&scsa2usbp->scsa2usb_transport_busy_cv, NULL, CV_DRIVER, NULL);
692 692
693 693 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) {
694 694 usba_init_list(&scsa2usbp->scsa2usb_waitQ[lun], NULL,
695 695 dev_data->dev_iblock_cookie);
696 696 }
697 697 mutex_enter(&scsa2usbp->scsa2usb_mutex);
698 698 scsa2usbp->scsa2usb_dip = dip;
699 699 scsa2usbp->scsa2usb_instance = instance;
700 700 scsa2usbp->scsa2usb_attrs = SCSA2USB_ALL_ATTRS;
701 701 scsa2usbp->scsa2usb_dev_data = dev_data;
702 702
703 703
704 704 /* save the default pipe handle */
705 705 scsa2usbp->scsa2usb_default_pipe = dev_data->dev_default_ph;
706 706
707 707 /* basic inits are done */
708 708 scsa2usbp->scsa2usb_flags |= SCSA2USB_FLAGS_LOCKS_INIT;
709 709
710 710 USB_DPRINTF_L4(DPRINT_MASK_SCSA, log_handle,
711 711 "curr_cfg=%ld, curr_if=%d",
712 712 (long)(dev_data->dev_curr_cfg - &dev_data->dev_cfg[0]),
713 713 dev_data->dev_curr_if);
714 714
715 715 interface = dev_data->dev_curr_if;
716 716 scsa2usbp->scsa2usb_intfc_num = dev_data->dev_curr_if;
717 717
718 718 /* now find out relevant descriptors for alternate 0 */
719 719 altif_data = &dev_data->dev_curr_cfg->cfg_if[interface].if_alt[0];
720 720
721 721 if (altif_data->altif_n_ep == 0) {
722 722 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
723 723 "invalid alt 0 for interface %d", interface);
724 724 mutex_exit(&scsa2usbp->scsa2usb_mutex);
725 725
726 726 goto fail;
727 727 }
728 728
729 729 /* All CB/CBI, BO devices should have this value set */
730 730 if (altif_data->altif_descr.bInterfaceClass !=
731 731 USB_CLASS_MASS_STORAGE) {
732 732 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
733 733 "invalid interface class (0x%x)",
734 734 altif_data->altif_descr.bInterfaceClass);
735 735 }
736 736 scsa2usbp->scsa2usb_intfc_descr = altif_data->altif_descr;
737 737
738 738 /* figure out the endpoints and copy the descr */
739 739 if ((ep_data = usb_lookup_ep_data(dip, dev_data, interface, 0, 0,
740 740 USB_EP_ATTR_BULK, USB_EP_DIR_OUT)) != NULL) {
741 741 scsa2usbp->scsa2usb_bulkout_ept = ep_data->ep_descr;
742 742 }
743 743 if ((ep_data = usb_lookup_ep_data(dip, dev_data, interface, 0, 0,
744 744 USB_EP_ATTR_BULK, USB_EP_DIR_IN)) != NULL) {
745 745 scsa2usbp->scsa2usb_bulkin_ept = ep_data->ep_descr;
746 746 }
747 747 if ((ep_data = usb_lookup_ep_data(dip, dev_data, interface, 0, 0,
748 748 USB_EP_ATTR_INTR, USB_EP_DIR_IN)) != NULL) {
749 749 scsa2usbp->scsa2usb_intr_ept = ep_data->ep_descr;
750 750 }
751 751
752 752 /*
753 753 * check here for protocol and subclass supported by this driver
754 754 *
755 755 * first check if conf file has override values
756 756 * Note: override values are not used if supplied values are legal
757 757 */
758 758 scsa2usb_override(scsa2usbp);
759 759
760 760 USB_DPRINTF_L3(DPRINT_MASK_SCSA, log_handle,
761 761 "protocol=0x%x override=0x%x subclass=0x%x override=0x%x",
762 762 scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol,
763 763 scsa2usbp->scsa2usb_protocol_override,
764 764 scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass,
765 765 scsa2usbp->scsa2usb_subclass_override);
766 766
767 767 switch (scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol) {
768 768 case USB_PROTO_MS_CBI:
769 769 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_CB_PROTOCOL;
770 770 break;
771 771 case USB_PROTO_MS_CBI_WC:
772 772 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_CBI_PROTOCOL;
773 773 break;
774 774 case USB_PROTO_MS_ISD_1999_SILICN:
775 775 case USB_PROTO_MS_BULK_ONLY:
776 776 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_BULK_ONLY_PROTOCOL;
777 777 break;
778 778 default:
779 779 if (scsa2usbp->scsa2usb_protocol_override) {
780 780 scsa2usbp->scsa2usb_cmd_protocol |=
781 781 scsa2usbp->scsa2usb_protocol_override;
782 782 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
783 783 "overriding protocol %x",
784 784 scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol);
785 785 break;
786 786 }
787 787
788 788 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
789 789 "unsupported protocol = %x",
790 790 scsa2usbp->scsa2usb_intfc_descr.bInterfaceProtocol);
791 791 mutex_exit(&scsa2usbp->scsa2usb_mutex);
792 792
793 793 goto fail;
794 794 }
795 795
796 796 switch (scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass) {
797 797 case USB_SUBCLS_MS_SCSI: /* transparent SCSI */
798 798 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_SCSI_CMDSET;
799 799 break;
800 800 case USB_SUBCLS_MS_SFF8020I:
801 801 case USB_SUBCLS_MS_SFF8070I:
802 802 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_ATAPI_CMDSET;
803 803 break;
804 804 case USB_SUBCLS_MS_UFI: /* UFI */
805 805 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_UFI_CMDSET;
806 806 break;
807 807 default:
808 808 if (scsa2usbp->scsa2usb_subclass_override) {
809 809 scsa2usbp->scsa2usb_cmd_protocol |=
810 810 scsa2usbp->scsa2usb_subclass_override;
811 811 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
812 812 "overriding subclass %x",
813 813 scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass);
814 814 break;
815 815 }
816 816
817 817 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
818 818 "unsupported subclass = %x",
819 819 scsa2usbp->scsa2usb_intfc_descr.bInterfaceSubClass);
820 820 mutex_exit(&scsa2usbp->scsa2usb_mutex);
821 821
822 822 goto fail;
823 823 }
824 824
825 825 /* check that we have the right set of endpoint descriptors */
826 826 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp) || SCSA2USB_IS_CB(scsa2usbp)) {
827 827 if ((scsa2usbp->scsa2usb_bulkout_ept.bLength == 0) ||
828 828 (scsa2usbp->scsa2usb_bulkin_ept.bLength == 0)) {
829 829 ept_check = B_FALSE;
830 830 }
831 831 } else if (SCSA2USB_IS_CBI(scsa2usbp)) {
832 832 if ((scsa2usbp->scsa2usb_bulkout_ept.bLength == 0) ||
833 833 (scsa2usbp->scsa2usb_bulkin_ept.bLength == 0) ||
834 834 (scsa2usbp->scsa2usb_intr_ept.bLength == 0)) {
835 835 ept_check = B_FALSE;
836 836 }
837 837 }
838 838
839 839 if (ept_check == B_FALSE) {
840 840 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
841 841 "scsa2usb%d doesn't support minimum required endpoints",
842 842 instance);
843 843 mutex_exit(&scsa2usbp->scsa2usb_mutex);
844 844
845 845 goto fail;
846 846 }
847 847
848 848 /*
849 849 * Validate the black-listed attributes
850 850 */
851 851 scsa2usb_validate_attrs(scsa2usbp);
852 852
853 853 /* Print the serial number from the registration data */
854 854 if (scsa2usbp->scsa2usb_dev_data->dev_serial) {
855 855 USB_DPRINTF_L4(DPRINT_MASK_SCSA,
856 856 scsa2usbp->scsa2usb_log_handle, "Serial Number = %s",
857 857 scsa2usbp->scsa2usb_dev_data->dev_serial);
858 858 }
859 859
860 860 /*
861 861 * Allocate a SCSA transport structure
862 862 */
863 863 tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP);
864 864 scsa2usbp->scsa2usb_tran = tran;
865 865
866 866 /*
867 867 * initialize transport structure
868 868 */
869 869 tran->tran_hba_private = scsa2usbp;
870 870 tran->tran_tgt_private = NULL;
871 871 tran->tran_tgt_init = scsa2usb_scsi_tgt_init;
872 872 tran->tran_tgt_probe = scsa2usb_scsi_tgt_probe;
873 873 tran->tran_tgt_free = scsa2usb_scsi_tgt_free;
874 874 tran->tran_start = scsa2usb_scsi_start;
875 875 tran->tran_abort = scsa2usb_scsi_abort;
876 876 tran->tran_reset = scsa2usb_scsi_reset;
877 877 tran->tran_getcap = scsa2usb_scsi_getcap;
878 878 tran->tran_setcap = scsa2usb_scsi_setcap;
879 879 tran->tran_init_pkt = scsa2usb_scsi_init_pkt;
880 880 tran->tran_destroy_pkt = scsa2usb_scsi_destroy_pkt;
881 881 tran->tran_dmafree = NULL;
882 882 tran->tran_sync_pkt = NULL;
883 883 tran->tran_reset_notify = NULL;
884 884 tran->tran_get_bus_addr = NULL;
885 885 tran->tran_get_name = NULL;
886 886 tran->tran_quiesce = NULL;
887 887 tran->tran_unquiesce = NULL;
888 888 tran->tran_bus_reset = NULL;
889 889 tran->tran_add_eventcall = NULL;
890 890 tran->tran_get_eventcookie = NULL;
891 891 tran->tran_post_event = NULL;
892 892 tran->tran_remove_eventcall = NULL;
893 893 tran->tran_bus_config = scsa2usb_scsi_bus_config;
894 894 tran->tran_bus_unconfig = scsa2usb_scsi_bus_unconfig;
895 895
896 896 /*
897 897 * register with SCSA as an HBA
898 898 * Note that the dma attributes are from parent nexus
899 899 */
900 900 if (scsi_hba_attach_setup(dip, usba_get_hc_dma_attr(dip), tran, 0)) {
901 901 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
902 902 "scsi_hba_attach_setup failed");
903 903 mutex_exit(&scsa2usbp->scsa2usb_mutex);
904 904
905 905 goto fail;
906 906 }
907 907
908 908 scsa2usbp->scsa2usb_flags |= SCSA2USB_FLAGS_HBA_ATTACH_SETUP;
909 909
910 910 /* create minor node */
911 911 if (ddi_create_minor_node(dip, "scsa2usb", S_IFCHR,
912 912 instance << SCSA2USB_MINOR_INSTANCE_SHIFT,
913 913 DDI_NT_SCSI_NEXUS, 0) != DDI_SUCCESS) {
914 914 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
915 915 "scsi_attach: ddi_create_minor_node failed");
916 916 mutex_exit(&scsa2usbp->scsa2usb_mutex);
917 917
918 918 goto fail;
919 919 }
920 920
921 921 /* open pipes and set scsa2usb_flags */
922 922 if (scsa2usb_open_usb_pipes(scsa2usbp) == USB_FAILURE) {
923 923 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
924 924 "error opening pipes");
925 925 mutex_exit(&scsa2usbp->scsa2usb_mutex);
926 926
927 927 goto fail;
928 928 }
929 929
930 930 /* set default block size. updated after read cap cmd */
931 931 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) {
932 932 scsa2usbp->scsa2usb_lbasize[lun] = DEV_BSIZE;
933 933 }
934 934
935 935 mutex_exit(&scsa2usbp->scsa2usb_mutex);
936 936
937 937 /* initialize PANIC callback */
938 938 scsa2usb_panic_callb_init(scsa2usbp);
939 939
940 940 /* finally we are all done 'initializing' the device */
941 941 mutex_enter(&scsa2usbp->scsa2usb_mutex);
942 942 scsa2usbp->scsa2usb_dev_state = USB_DEV_ONLINE;
943 943
944 944 /* enable PM, mutex needs to be held across this */
945 945 scsa2usb_create_pm_components(dip, scsa2usbp);
946 946 mutex_exit(&scsa2usbp->scsa2usb_mutex);
947 947
948 948 /* register for connect/disconnect events */
949 949 if (usb_register_event_cbs(scsa2usbp->scsa2usb_dip, &scsa2usb_events,
950 950 0) != USB_SUCCESS) {
951 951 USB_DPRINTF_L2(DPRINT_MASK_SCSA, log_handle,
952 952 "error cb registering");
953 953 goto fail;
954 954 }
955 955
956 956 /* free the dev_data tree, we no longer need it */
957 957 usb_free_descr_tree(dip, dev_data);
958 958
959 959 scsa2usb_pm_idle_component(scsa2usbp);
960 960
961 961 /* log the conf file override string if there is one */
962 962 if (scsa2usbp->scsa2usb_override_str) {
963 963 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
964 964 "scsa2usb.conf override: %s",
965 965 scsa2usbp->scsa2usb_override_str);
966 966 }
967 967
968 968 if (usb_owns_device(dip)) {
969 969 /* get a ugen handle */
970 970 bzero(&usb_ugen_info, sizeof (usb_ugen_info));
971 971 usb_ugen_info.usb_ugen_flags = 0;
972 972 usb_ugen_info.usb_ugen_minor_node_ugen_bits_mask =
973 973 (dev_t)SCSA2USB_MINOR_UGEN_BITS_MASK;
974 974 usb_ugen_info.usb_ugen_minor_node_instance_mask =
975 975 (dev_t)~SCSA2USB_MINOR_UGEN_BITS_MASK;
976 976 scsa2usbp->scsa2usb_ugen_hdl =
977 977 usb_ugen_get_hdl(dip, &usb_ugen_info);
978 978
979 979 if (usb_ugen_attach(scsa2usbp->scsa2usb_ugen_hdl, cmd) !=
980 980 USB_SUCCESS) {
981 981 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
982 982 scsa2usbp->scsa2usb_log_handle,
983 983 "usb_ugen_attach failed");
984 984
985 985 usb_ugen_release_hdl(scsa2usbp->scsa2usb_ugen_hdl);
986 986 scsa2usbp->scsa2usb_ugen_hdl = NULL;
987 987 }
988 988 }
989 989
990 990 /* report device */
991 991 ddi_report_dev(dip);
992 992
993 993 return (DDI_SUCCESS);
994 994
995 995 fail:
996 996 if (scsa2usbp) {
997 997 (void) scsa2usb_cleanup(dip, scsa2usbp);
998 998 }
999 999
1000 1000 return (DDI_FAILURE);
1001 1001 }
1002 1002
1003 1003
1004 1004 /*
1005 1005 * scsa2usb_detach:
1006 1006 * detach or suspend driver instance
1007 1007 */
1008 1008 static int
1009 1009 scsa2usb_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
1010 1010 {
1011 1011 scsi_hba_tran_t *tran;
1012 1012 scsa2usb_state_t *scsa2usbp;
1013 1013 int rval;
1014 1014
1015 1015 tran = ddi_get_driver_private(dip);
1016 1016 ASSERT(tran != NULL);
1017 1017
1018 1018 scsa2usbp = (scsa2usb_state_t *)tran->tran_hba_private;
1019 1019 ASSERT(scsa2usbp);
1020 1020
1021 1021 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1022 1022 "scsa2usb_detach: dip = 0x%p, cmd = %d", (void *)dip, cmd);
1023 1023
1024 1024 switch (cmd) {
1025 1025 case DDI_DETACH:
1026 1026
1027 1027 if (scsa2usb_cleanup(dip, scsa2usbp) != USB_SUCCESS) {
1028 1028
1029 1029 return (DDI_FAILURE);
1030 1030 }
1031 1031
1032 1032 return (DDI_SUCCESS);
1033 1033 case DDI_SUSPEND:
1034 1034 rval = scsa2usb_cpr_suspend(dip);
1035 1035
1036 1036 return ((rval == USB_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
1037 1037 default:
1038 1038
1039 1039 return (DDI_FAILURE);
1040 1040 }
1041 1041 }
1042 1042
1043 1043 /*
1044 1044 * ugen support
1045 1045 */
1046 1046 /*
1047 1047 * scsa2usb_ugen_open()
1048 1048 * (all ugen opens and pipe opens are by definition exclusive so it is OK
1049 1049 * to count opens)
1050 1050 */
1051 1051 static int
1052 1052 scsa2usb_ugen_open(dev_t *devp, int flag, int sflag, cred_t *cr)
1053 1053 {
1054 1054 scsa2usb_state_t *scsa2usbp;
1055 1055 int rval;
1056 1056
1057 1057 if ((scsa2usbp = ddi_get_soft_state(scsa2usb_statep,
1058 1058 SCSA2USB_MINOR_TO_INSTANCE(getminor(*devp)))) == NULL) {
1059 1059 /* deferred detach */
1060 1060
1061 1061 return (ENXIO);
1062 1062 }
1063 1063
1064 1064 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1065 1065 "scsa2usb_ugen_open: dev_t=0x%lx", *devp);
1066 1066
1067 1067 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1068 1068
1069 1069 /* if this is the first ugen open, check on transport busy */
1070 1070 if (scsa2usbp->scsa2usb_busy_proc != curproc) {
1071 1071 while (scsa2usbp->scsa2usb_transport_busy ||
1072 1072 (scsa2usb_all_waitQs_empty(scsa2usbp) !=
1073 1073 USB_SUCCESS)) {
1074 1074 rval = cv_wait_sig(
1075 1075 &scsa2usbp->scsa2usb_transport_busy_cv,
1076 1076 &scsa2usbp->scsa2usb_mutex);
1077 1077 if (rval == 0) {
1078 1078 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1079 1079
1080 1080 return (EINTR);
1081 1081 }
1082 1082 }
1083 1083 scsa2usbp->scsa2usb_transport_busy++;
1084 1084 scsa2usbp->scsa2usb_busy_proc = curproc;
1085 1085 }
1086 1086
1087 1087 scsa2usbp->scsa2usb_ugen_open_count++;
1088 1088
1089 1089 scsa2usb_raise_power(scsa2usbp);
1090 1090
1091 1091 scsa2usb_close_usb_pipes(scsa2usbp);
1092 1092
1093 1093 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1094 1094
1095 1095 rval = usb_ugen_open(scsa2usbp->scsa2usb_ugen_hdl, devp, flag,
1096 1096 sflag, cr);
1097 1097 if (!rval) {
1098 1098 /*
1099 1099 * if usb_ugen_open() succeeded, we'll change the minor number
1100 1100 * so that we can keep track of every open()/close() issued by
1101 1101 * the userland processes. We need to pick a minor number that
1102 1102 * is not used by the ugen framework
1103 1103 */
1104 1104
1105 1105 usb_ugen_hdl_impl_t *usb_ugen_hdl_impl;
1106 1106 ugen_state_t *ugenp;
1107 1107 int ugen_minor, clone;
1108 1108
1109 1109 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1110 1110
1111 1111 usb_ugen_hdl_impl =
1112 1112 (usb_ugen_hdl_impl_t *)scsa2usbp->scsa2usb_ugen_hdl;
1113 1113 ugenp = usb_ugen_hdl_impl->hdl_ugenp;
1114 1114
1115 1115 /* 'clone' is bigger than any ugen minor in use */
1116 1116 for (clone = ugenp->ug_minor_node_table_index + 1;
1117 1117 clone < SCSA2USB_MAX_CLONE; clone++) {
1118 1118 if (!scsa2usbp->scsa2usb_clones[clone])
1119 1119 break;
1120 1120 }
1121 1121
1122 1122 if (clone >= SCSA2USB_MAX_CLONE) {
1123 1123 cmn_err(CE_WARN, "scsa2usb_ugen_open: too many clones");
1124 1124 rval = EBUSY;
1125 1125 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1126 1126 goto open_done;
1127 1127 }
1128 1128
1129 1129 ugen_minor = getminor(*devp) & SCSA2USB_MINOR_UGEN_BITS_MASK;
1130 1130 *devp = makedevice(getmajor(*devp),
1131 1131 (scsa2usbp->scsa2usb_instance
1132 1132 << SCSA2USB_MINOR_INSTANCE_SHIFT)
1133 1133 + clone);
1134 1134
1135 1135 /* save the ugen minor */
1136 1136 scsa2usbp->scsa2usb_clones[clone] = (uint8_t)ugen_minor;
1137 1137 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1138 1138 "scsa2usb_ugen_open: new dev=%lx, old minor=%x",
1139 1139 *devp, ugen_minor);
1140 1140
1141 1141 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1142 1142 }
1143 1143
1144 1144 open_done:
1145 1145
1146 1146 if (rval) {
1147 1147 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1148 1148
1149 1149 /* reopen the pipes */
1150 1150 if (--scsa2usbp->scsa2usb_ugen_open_count == 0) {
1151 1151 scsa2usbp->scsa2usb_transport_busy--;
1152 1152 scsa2usbp->scsa2usb_busy_proc = NULL;
1153 1153 cv_signal(&scsa2usbp->scsa2usb_transport_busy_cv);
1154 1154 }
1155 1155 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1156 1156
1157 1157 scsa2usb_pm_idle_component(scsa2usbp);
1158 1158 }
1159 1159
1160 1160 return (rval);
1161 1161 }
1162 1162
1163 1163
1164 1164 /*
1165 1165 * scsa2usb_ugen_close()
1166 1166 */
1167 1167 static int
1168 1168 scsa2usb_ugen_close(dev_t dev, int flag, int otype, cred_t *cr)
1169 1169 {
1170 1170 int rval;
1171 1171 int ugen_minor, clone;
1172 1172
1173 1173 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep,
1174 1174 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev)));
1175 1175
1176 1176 if (scsa2usbp == NULL) {
1177 1177
1178 1178 return (ENXIO);
1179 1179 }
1180 1180
1181 1181 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1182 1182 "scsa2usb_ugen_close: dev_t=0x%lx", dev);
1183 1183
1184 1184 clone = getminor(dev) & SCSA2USB_MINOR_UGEN_BITS_MASK;
1185 1185 ugen_minor = scsa2usbp->scsa2usb_clones[clone];
1186 1186 dev = makedevice(getmajor(dev),
1187 1187 (scsa2usbp->scsa2usb_instance << SCSA2USB_MINOR_INSTANCE_SHIFT)
1188 1188 + ugen_minor);
1189 1189 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1190 1190 "scsa2usb_ugen_close: old dev=%lx", dev);
1191 1191 rval = usb_ugen_close(scsa2usbp->scsa2usb_ugen_hdl, dev, flag,
1192 1192 otype, cr);
1193 1193
1194 1194 if (rval == 0) {
1195 1195 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1196 1196
1197 1197 scsa2usbp->scsa2usb_clones[clone] = 0;
1198 1198 /* reopen the pipes */
1199 1199 if (--scsa2usbp->scsa2usb_ugen_open_count == 0) {
1200 1200 scsa2usbp->scsa2usb_transport_busy--;
1201 1201 scsa2usbp->scsa2usb_busy_proc = NULL;
1202 1202 cv_signal(&scsa2usbp->scsa2usb_transport_busy_cv);
1203 1203 }
1204 1204 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1205 1205
1206 1206 scsa2usb_pm_idle_component(scsa2usbp);
1207 1207 }
1208 1208
1209 1209 return (rval);
1210 1210 }
1211 1211
1212 1212
1213 1213 /*
1214 1214 * scsa2usb_ugen_read/write()
1215 1215 */
1216 1216 /*ARGSUSED*/
1217 1217 static int
1218 1218 scsa2usb_ugen_read(dev_t dev, struct uio *uiop, cred_t *credp)
1219 1219 {
1220 1220 int clone, ugen_minor;
1221 1221 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep,
1222 1222 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev)));
1223 1223
1224 1224 if (scsa2usbp == NULL) {
1225 1225
1226 1226 return (ENXIO);
1227 1227 }
1228 1228
1229 1229 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1230 1230 "scsa2usb_ugen_read: dev_t=0x%lx", dev);
1231 1231
1232 1232 clone = getminor(dev) & SCSA2USB_MINOR_UGEN_BITS_MASK;
1233 1233 ugen_minor = scsa2usbp->scsa2usb_clones[clone];
1234 1234 dev = makedevice(getmajor(dev),
1235 1235 (scsa2usbp->scsa2usb_instance << SCSA2USB_MINOR_INSTANCE_SHIFT)
1236 1236 + ugen_minor);
1237 1237
1238 1238 return (usb_ugen_read(scsa2usbp->scsa2usb_ugen_hdl, dev,
1239 1239 uiop, credp));
1240 1240 }
1241 1241
1242 1242
1243 1243 /*ARGSUSED*/
1244 1244 static int
1245 1245 scsa2usb_ugen_write(dev_t dev, struct uio *uiop, cred_t *credp)
1246 1246 {
1247 1247 int clone, ugen_minor;
1248 1248 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep,
1249 1249 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev)));
1250 1250
1251 1251 if (scsa2usbp == NULL) {
1252 1252
1253 1253 return (ENXIO);
1254 1254 }
1255 1255
1256 1256 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1257 1257 "scsa2usb_ugen_write: dev_t=0x%lx", dev);
1258 1258
1259 1259 clone = getminor(dev) & SCSA2USB_MINOR_UGEN_BITS_MASK;
1260 1260 ugen_minor = scsa2usbp->scsa2usb_clones[clone];
1261 1261 dev = makedevice(getmajor(dev),
1262 1262 (scsa2usbp->scsa2usb_instance << SCSA2USB_MINOR_INSTANCE_SHIFT)
1263 1263 + ugen_minor);
1264 1264
1265 1265 return (usb_ugen_write(scsa2usbp->scsa2usb_ugen_hdl,
1266 1266 dev, uiop, credp));
1267 1267 }
1268 1268
1269 1269
1270 1270 /*
1271 1271 * scsa2usb_ugen_poll
1272 1272 */
1273 1273 static int
1274 1274 scsa2usb_ugen_poll(dev_t dev, short events,
1275 1275 int anyyet, short *reventsp, struct pollhead **phpp)
1276 1276 {
1277 1277 int clone, ugen_minor;
1278 1278 scsa2usb_state_t *scsa2usbp = ddi_get_soft_state(scsa2usb_statep,
1279 1279 SCSA2USB_MINOR_TO_INSTANCE(getminor(dev)));
1280 1280
1281 1281 if (scsa2usbp == NULL) {
1282 1282
1283 1283 return (ENXIO);
1284 1284 }
1285 1285
1286 1286 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1287 1287 "scsa2usb_ugen_poll: dev_t=0x%lx", dev);
1288 1288
1289 1289 clone = getminor(dev) & SCSA2USB_MINOR_UGEN_BITS_MASK;
1290 1290 ugen_minor = scsa2usbp->scsa2usb_clones[clone];
1291 1291 dev = makedevice(getmajor(dev),
1292 1292 (scsa2usbp->scsa2usb_instance << SCSA2USB_MINOR_INSTANCE_SHIFT)
1293 1293 + ugen_minor);
1294 1294
1295 1295 return (usb_ugen_poll(scsa2usbp->scsa2usb_ugen_hdl, dev, events,
1296 1296 anyyet, reventsp, phpp));
1297 1297 }
1298 1298
1299 1299
1300 1300 /*
1301 1301 * scsa2usb_cleanup:
1302 1302 * cleanup whatever attach has setup
1303 1303 */
1304 1304 static int
1305 1305 scsa2usb_cleanup(dev_info_t *dip, scsa2usb_state_t *scsa2usbp)
1306 1306 {
1307 1307 int rval, i;
1308 1308 scsa2usb_power_t *pm;
1309 1309 uint_t lun;
1310 1310
1311 1311 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1312 1312 "scsa2usb_cleanup:");
1313 1313
1314 1314 /* wait till the work thread is done */
1315 1315 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1316 1316 for (i = 0; i < SCSA2USB_DRAIN_TIMEOUT; i++) {
1317 1317 if (scsa2usbp->scsa2usb_work_thread_id == NULL) {
1318 1318
1319 1319 break;
1320 1320 }
1321 1321 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1322 1322 delay(drv_usectohz(1000000));
1323 1323 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1324 1324 }
1325 1325 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1326 1326
1327 1327 if (i >= SCSA2USB_DRAIN_TIMEOUT) {
1328 1328
1329 1329 return (USB_FAILURE);
1330 1330 }
1331 1331
1332 1332 /*
1333 1333 * Disable the event callbacks first, after this point, event
1334 1334 * callbacks will never get called. Note we shouldn't hold
1335 1335 * mutex while unregistering events because there may be a
1336 1336 * competing event callback thread. Event callbacks are done
1337 1337 * with ndi mutex held and this can cause a potential deadlock.
1338 1338 */
1339 1339 usb_unregister_event_cbs(scsa2usbp->scsa2usb_dip, &scsa2usb_events);
1340 1340
1341 1341 if (scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_LOCKS_INIT) {
1342 1342 /*
1343 1343 * if a waitQ exists, get rid of it before destroying it
1344 1344 */
1345 1345 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) {
1346 1346 scsa2usb_flush_waitQ(scsa2usbp, lun, CMD_TRAN_ERR);
1347 1347 usba_destroy_list(&scsa2usbp->scsa2usb_waitQ[lun]);
1348 1348 }
1349 1349
1350 1350 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1351 1351 if (scsa2usbp->scsa2usb_flags &
1352 1352 SCSA2USB_FLAGS_HBA_ATTACH_SETUP) {
1353 1353 (void) scsi_hba_detach(dip);
1354 1354 scsi_hba_tran_free(scsa2usbp->scsa2usb_tran);
1355 1355 }
1356 1356
1357 1357 if (scsa2usbp->scsa2usb_flags &
1358 1358 SCSA2USB_FLAGS_PIPES_OPENED) {
1359 1359 scsa2usb_close_usb_pipes(scsa2usbp);
1360 1360 }
1361 1361
1362 1362 /* Lower the power */
1363 1363 pm = scsa2usbp->scsa2usb_pm;
1364 1364
1365 1365 if (pm && (scsa2usbp->scsa2usb_dev_state !=
1366 1366 USB_DEV_DISCONNECTED)) {
1367 1367 if (pm->scsa2usb_wakeup_enabled) {
1368 1368 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1369 1369 (void) pm_raise_power(dip, 0,
1370 1370 USB_DEV_OS_FULL_PWR);
1371 1371
1372 1372 if ((rval = usb_handle_remote_wakeup(dip,
1373 1373 USB_REMOTE_WAKEUP_DISABLE)) !=
1374 1374 USB_SUCCESS) {
1375 1375 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1376 1376 scsa2usbp->scsa2usb_log_handle,
1377 1377 "disable remote wakeup failed "
1378 1378 "(%d)", rval);
1379 1379 }
1380 1380 } else {
1381 1381 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1382 1382 }
1383 1383
1384 1384 (void) pm_lower_power(dip, 0, USB_DEV_OS_PWR_OFF);
1385 1385
1386 1386 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1387 1387 }
1388 1388
1389 1389 if (pm) {
1390 1390 kmem_free(pm, sizeof (scsa2usb_power_t));
1391 1391 }
1392 1392
1393 1393 if (scsa2usbp->scsa2usb_override_str) {
1394 1394 kmem_free(scsa2usbp->scsa2usb_override_str,
1395 1395 strlen(scsa2usbp->scsa2usb_override_str) + 1);
1396 1396 scsa2usbp->scsa2usb_override_str = NULL;
1397 1397 }
1398 1398
1399 1399 /* remove the minor nodes */
1400 1400 ddi_remove_minor_node(dip, NULL);
1401 1401
1402 1402 /* Cancel the registered panic callback */
1403 1403 scsa2usb_panic_callb_fini(scsa2usbp);
1404 1404
1405 1405 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1406 1406
1407 1407 mutex_destroy(&scsa2usbp->scsa2usb_mutex);
1408 1408 cv_destroy(&scsa2usbp->scsa2usb_transport_busy_cv);
1409 1409 }
1410 1410
1411 1411 usb_client_detach(scsa2usbp->scsa2usb_dip,
1412 1412 scsa2usbp->scsa2usb_dev_data);
1413 1413
1414 1414 if (scsa2usbp->scsa2usb_ugen_hdl) {
1415 1415 (void) usb_ugen_detach(scsa2usbp->scsa2usb_ugen_hdl,
1416 1416 DDI_DETACH);
1417 1417 usb_ugen_release_hdl(scsa2usbp->scsa2usb_ugen_hdl);
1418 1418 }
1419 1419
1420 1420 usb_free_log_hdl(scsa2usbp->scsa2usb_log_handle);
1421 1421
1422 1422 ddi_prop_remove_all(dip);
1423 1423
1424 1424 ddi_soft_state_free(scsa2usb_statep, ddi_get_instance(dip));
1425 1425
1426 1426 return (USB_SUCCESS);
1427 1427 }
1428 1428
1429 1429
1430 1430 /*
1431 1431 * scsa2usb_override:
1432 1432 * some devices may be attached even though their subclass or
1433 1433 * protocol info is not according to spec.
1434 1434 * these can be determined by the 'subclass-protocol-override'
1435 1435 * property set in the conf file.
1436 1436 */
1437 1437 static void
1438 1438 scsa2usb_override(scsa2usb_state_t *scsa2usbp)
1439 1439 {
1440 1440 scsa2usb_ov_t ov;
1441 1441 char **override_str = NULL;
1442 1442 char *override_str_cpy;
1443 1443 uint_t override_str_len, override_str_cpy_len;
1444 1444 uint_t i;
1445 1445 usb_dev_descr_t *descr = scsa2usbp->scsa2usb_dev_data->dev_descr;
1446 1446
1447 1447 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
1448 1448
1449 1449 scsa2usbp->scsa2usb_subclass_override =
1450 1450 scsa2usbp->scsa2usb_protocol_override = 0;
1451 1451
1452 1452 if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, scsa2usbp->scsa2usb_dip,
1453 1453 DDI_PROP_DONTPASS, "attribute-override-list",
1454 1454 &override_str, &override_str_len) != DDI_PROP_SUCCESS) {
1455 1455
1456 1456 return;
1457 1457 }
1458 1458
1459 1459 /* parse each string in the subclass-protocol-override property */
1460 1460 for (i = 0; i < override_str_len; i++) {
1461 1461
1462 1462 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1463 1463 "override_str[%d] = %s", i, override_str[i]);
1464 1464
1465 1465 /*
1466 1466 * save a copy of the override string for possible
1467 1467 * inclusion in soft state later
1468 1468 */
1469 1469 override_str_cpy_len = strlen(override_str[i]) + 1;
1470 1470 override_str_cpy = kmem_zalloc(override_str_cpy_len, KM_SLEEP);
1471 1471 (void) strcpy(override_str_cpy, override_str[i]);
1472 1472
1473 1473 bzero(&ov, sizeof (scsa2usb_ov_t));
1474 1474
1475 1475 if (scsa2usb_parse_input_str(override_str[i], &ov,
1476 1476 scsa2usbp) == USB_FAILURE) {
1477 1477 kmem_free(override_str_cpy, override_str_cpy_len);
1478 1478 continue;
1479 1479 }
1480 1480
1481 1481 /*
1482 1482 * see if subclass/protocol needs to be overridden for device
1483 1483 * or if device should not be power managed
1484 1484 * if there'a a match, save the override string in soft state
1485 1485 */
1486 1486 if (((descr->idVendor == (uint16_t)ov.vid) || (ov.vid == 0)) &&
1487 1487 ((descr->idProduct == (uint16_t)ov.pid) || (ov.pid == 0)) &&
1488 1488 ((descr->bcdDevice == (uint16_t)ov.rev) || (ov.rev == 0))) {
1489 1489 scsa2usbp->scsa2usb_subclass_override = ov.subclass;
1490 1490 scsa2usbp->scsa2usb_protocol_override = ov.protocol;
1491 1491
1492 1492 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1493 1493 scsa2usbp->scsa2usb_log_handle,
1494 1494 "vid=0x%x pid=0x%x rev=0x%x subclass=0x%x "
1495 1495 "protocol=0x%x "
1496 1496 "pmoff=%d fake_removable=%d modesense=%d "
1497 1497 "reduced-cmd-support=%d",
1498 1498 ov.vid, ov.pid, ov.rev, ov.subclass, ov.protocol,
1499 1499 ov.pmoff, ov.fake_removable, ov.no_modesense,
1500 1500 ov.reduced_cmd_support);
1501 1501
1502 1502 if (ov.pmoff) {
1503 1503 scsa2usbp->scsa2usb_attrs &= ~SCSA2USB_ATTRS_PM;
1504 1504 }
1505 1505 if (ov.fake_removable) {
1506 1506 scsa2usbp->scsa2usb_attrs &=
1507 1507 ~SCSA2USB_ATTRS_RMB;
1508 1508 }
1509 1509 if (ov.no_modesense) {
1510 1510 scsa2usbp->scsa2usb_attrs &=
1511 1511 ~SCSA2USB_ATTRS_MODE_SENSE;
1512 1512 }
1513 1513 if (ov.reduced_cmd_support) {
1514 1514 scsa2usbp->scsa2usb_attrs &=
1515 1515 ~SCSA2USB_ATTRS_REDUCED_CMD;
1516 1516 }
1517 1517 scsa2usbp->scsa2usb_override_str = override_str_cpy;
1518 1518 break;
1519 1519 } else {
1520 1520 kmem_free(override_str_cpy, override_str_cpy_len);
1521 1521 }
1522 1522 }
1523 1523
1524 1524 ddi_prop_free(override_str);
1525 1525 }
1526 1526
1527 1527
1528 1528 /*
1529 1529 * scsa2usb_parse_input_str:
1530 1530 * parse one conf file subclass-protocol-override string
1531 1531 * return vendor id, product id, revision, subclass, protocol
1532 1532 * function return is success or failure
1533 1533 */
1534 1534 static int
1535 1535 scsa2usb_parse_input_str(char *str, scsa2usb_ov_t *ovp,
1536 1536 scsa2usb_state_t *scsa2usbp)
1537 1537 {
1538 1538 char *input_field, *input_value;
1539 1539 char *lasts;
1540 1540 uint_t i;
1541 1541 u_longlong_t value;
1542 1542
1543 1543 /* parse all the input pairs in the string */
1544 1544 for (input_field = scsa2usb_strtok_r(str, "=", &lasts);
1545 1545 input_field != NULL;
1546 1546 input_field = scsa2usb_strtok_r(lasts, "=", &lasts)) {
1547 1547
1548 1548 if ((input_value = scsa2usb_strtok_r(lasts, " ", &lasts)) ==
1549 1549 NULL) {
1550 1550 scsa2usb_override_error("format", scsa2usbp);
1551 1551
1552 1552 return (USB_FAILURE);
1553 1553 }
1554 1554 /* if input value is a 'don't care', skip to the next pair */
1555 1555 if (strcmp(input_value, "*") == 0) {
1556 1556 continue;
1557 1557 }
1558 1558 if (strcasecmp(input_field, "vid") == 0) {
1559 1559 if (kobj_getvalue(input_value, &value) == -1) {
1560 1560 scsa2usb_override_error("vendor id", scsa2usbp);
1561 1561
1562 1562 return (USB_FAILURE);
1563 1563 }
1564 1564 ovp->vid = (int)value;
1565 1565 } else if (strcasecmp(input_field, "pid") == 0) {
1566 1566 if (kobj_getvalue(input_value, &value) == -1) {
1567 1567 scsa2usb_override_error("product id",
1568 1568 scsa2usbp);
1569 1569
1570 1570 return (USB_FAILURE);
1571 1571 }
1572 1572 ovp->pid = (int)value;
1573 1573 } else if (strcasecmp(input_field, "rev") == 0) {
1574 1574 if (kobj_getvalue(input_value, &value) == -1) {
1575 1575 scsa2usb_override_error("revision id",
1576 1576 scsa2usbp);
1577 1577
1578 1578 return (USB_FAILURE);
1579 1579 }
1580 1580 ovp->rev = (int)value;
1581 1581 } else if (strcasecmp(input_field, "subclass") == 0) {
1582 1582 for (i = 0; i < N_SCSA2USB_SUBC_OVERRIDE; i++) {
1583 1583 if (strcasecmp(input_value,
1584 1584 scsa2usb_subclass[i].name) == 0) {
1585 1585 ovp->subclass =
1586 1586 scsa2usb_subclass[i].value;
1587 1587 break;
1588 1588 }
1589 1589 }
1590 1590 if (ovp->subclass == 0) {
1591 1591 scsa2usb_override_error("subclass", scsa2usbp);
1592 1592
1593 1593 return (USB_FAILURE);
1594 1594 }
1595 1595 } else if (strcasecmp(input_field, "protocol") == 0) {
1596 1596 for (i = 0; i < N_SCSA2USB_PROT_OVERRIDE; i++) {
1597 1597 if (strcasecmp(input_value,
1598 1598 scsa2usb_protocol[i].name) == 0) {
1599 1599 ovp->protocol =
1600 1600 scsa2usb_protocol[i].value;
1601 1601 break;
1602 1602 }
1603 1603 }
1604 1604 if (ovp->protocol == 0) {
1605 1605 scsa2usb_override_error("protocol", scsa2usbp);
1606 1606
1607 1607 return (USB_FAILURE);
1608 1608 }
1609 1609 } else if (strcasecmp(input_field, "pm") == 0) {
1610 1610 if (strcasecmp(input_value, "off") == 0) {
1611 1611 ovp->pmoff = 1;
1612 1612 break;
1613 1613 } else {
1614 1614 scsa2usb_override_error("pm", scsa2usbp);
1615 1615
1616 1616 return (USB_FAILURE);
1617 1617 }
1618 1618 } else if (strcasecmp(input_field, "removable") == 0) {
1619 1619 if (strcasecmp(input_value, "true") == 0) {
1620 1620 ovp->fake_removable = 1;
1621 1621 break;
1622 1622 } else {
1623 1623 scsa2usb_override_error("removable", scsa2usbp);
1624 1624
1625 1625 return (USB_FAILURE);
1626 1626 }
1627 1627 } else if (strcasecmp(input_field, "modesense") == 0) {
1628 1628 if (strcasecmp(input_value, "false") == 0) {
1629 1629 ovp->no_modesense = 1;
1630 1630 break;
1631 1631 } else {
1632 1632 scsa2usb_override_error("modesense",
1633 1633 scsa2usbp);
1634 1634
1635 1635 return (USB_FAILURE);
1636 1636 }
1637 1637 } else if (strcasecmp(input_field,
1638 1638 "reduced-cmd-support") == 0) {
1639 1639 if (strcasecmp(input_value, "true") == 0) {
1640 1640 ovp->reduced_cmd_support = 1;
1641 1641 break;
1642 1642 } else {
1643 1643 scsa2usb_override_error(
1644 1644 "reduced-cmd-support", scsa2usbp);
1645 1645
1646 1646 return (USB_FAILURE);
1647 1647 }
1648 1648 } else {
1649 1649 scsa2usb_override_error(input_field, scsa2usbp);
1650 1650
1651 1651 return (USB_FAILURE);
1652 1652 }
1653 1653 }
1654 1654
1655 1655 return (USB_SUCCESS);
1656 1656 }
1657 1657
1658 1658
1659 1659 /*
1660 1660 * scsa2usb_override_error:
1661 1661 * print an error message if conf file string is bad format
1662 1662 */
1663 1663 static void
1664 1664 scsa2usb_override_error(char *input_field, scsa2usb_state_t *scsa2usbp)
1665 1665 {
1666 1666 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1667 1667 "invalid %s in scsa2usb.conf file entry", input_field);
1668 1668 }
1669 1669
1670 1670 /*
1671 1671 * scsa2usb_strtok_r:
1672 1672 * parse a list of tokens
1673 1673 */
1674 1674 static char *
1675 1675 scsa2usb_strtok_r(char *p, char *sep, char **lasts)
1676 1676 {
1677 1677 char *e;
1678 1678 char *tok = NULL;
1679 1679
1680 1680 if (p == 0 || *p == 0) {
1681 1681
1682 1682 return (NULL);
1683 1683 }
1684 1684
1685 1685 e = p+strlen(p);
1686 1686
1687 1687 do {
1688 1688 if (strchr(sep, *p) != NULL) {
1689 1689 if (tok != NULL) {
1690 1690 *p = 0;
1691 1691 *lasts = p+1;
1692 1692
1693 1693 return (tok);
1694 1694 }
1695 1695 } else if (tok == NULL) {
1696 1696 tok = p;
1697 1697 }
1698 1698 } while (++p < e);
1699 1699
1700 1700 *lasts = NULL;
1701 1701
1702 1702 return (tok);
1703 1703 }
1704 1704
1705 1705
1706 1706 /*
1707 1707 * scsa2usb_validate_attrs:
1708 1708 * many devices have BO/CB/CBI protocol support issues.
1709 1709 * use vendor/product info to reset the
1710 1710 * individual erroneous attributes
1711 1711 *
1712 1712 * NOTE: we look at only device at a time (at attach time)
1713 1713 */
1714 1714 static void
1715 1715 scsa2usb_validate_attrs(scsa2usb_state_t *scsa2usbp)
1716 1716 {
1717 1717 int i, mask;
1718 1718 usb_dev_descr_t *desc = scsa2usbp->scsa2usb_dev_data->dev_descr;
1719 1719
1720 1720 if (!SCSA2USB_IS_BULK_ONLY(scsa2usbp)) {
1721 1721 scsa2usbp->scsa2usb_attrs &= ~SCSA2USB_ATTRS_GET_LUN;
1722 1722 }
1723 1723
1724 1724 /* determine if this device is on the blacklist */
1725 1725 for (i = 0; i < N_SCSA2USB_BLACKLIST; i++) {
1726 1726 if ((scsa2usb_blacklist[i].idVendor == desc->idVendor) &&
1727 1727 ((scsa2usb_blacklist[i].idProduct == desc->idProduct) ||
1728 1728 (scsa2usb_blacklist[i].idProduct == X))) {
1729 1729 scsa2usbp->scsa2usb_attrs &=
1730 1730 ~(scsa2usb_blacklist[i].attributes);
1731 1731 break;
1732 1732 }
1733 1733 }
1734 1734
1735 1735 /*
1736 1736 * Mitsumi's CD-RW drives subclass isn't UFI.
1737 1737 * But they support UFI command-set (this code ensures that)
1738 1738 * NOTE: This is a special case, and is being called out so.
1739 1739 */
1740 1740 if (desc->idVendor == MS_MITSUMI_VID) {
1741 1741 mask = scsa2usbp->scsa2usb_cmd_protocol & SCSA2USB_CMDSET_MASK;
1742 1742 if (mask) {
1743 1743 scsa2usbp->scsa2usb_cmd_protocol &= ~mask;
1744 1744 }
1745 1745 scsa2usbp->scsa2usb_cmd_protocol |= SCSA2USB_UFI_CMDSET;
1746 1746 }
1747 1747
1748 1748 if (scsa2usbp->scsa2usb_attrs != SCSA2USB_ALL_ATTRS) {
1749 1749 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1750 1750 scsa2usbp->scsa2usb_log_handle,
1751 1751 "scsa2usb attributes modified: 0x%x",
1752 1752 scsa2usbp->scsa2usb_attrs);
1753 1753 }
1754 1754 }
1755 1755
1756 1756
1757 1757 /*
1758 1758 * scsa2usb_create_luns:
1759 1759 * check the number of luns but continue if the check fails,
1760 1760 * create child nodes for each lun
1761 1761 */
1762 1762 static void
1763 1763 scsa2usb_create_luns(scsa2usb_state_t *scsa2usbp)
1764 1764 {
1765 1765 int lun, rval;
1766 1766 char *compatible[MAX_COMPAT_NAMES]; /* compatible names */
1767 1767 dev_info_t *cdip;
1768 1768 uchar_t dtype;
1769 1769 char *node_name;
1770 1770 char *driver_name = NULL;
1771 1771
1772 1772 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1773 1773 "scsa2usb_create_luns:");
1774 1774
1775 1775 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1776 1776
1777 1777 /* Set n_luns to 1 by default (for floppies and other devices) */
1778 1778 scsa2usbp->scsa2usb_n_luns = 1;
1779 1779
1780 1780 /*
1781 1781 * Check if there are any device out there which don't
1782 1782 * support the GET_MAX_LUN command. If so, don't issue
1783 1783 * control request to them.
1784 1784 */
1785 1785 if ((scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_LUN) == 0) {
1786 1786 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1787 1787 "get_max_lun cmd not supported");
1788 1788 } else {
1789 1789 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) {
1790 1790 scsa2usbp->scsa2usb_n_luns =
1791 1791 scsa2usb_bulk_only_get_max_lun(scsa2usbp);
1792 1792 }
1793 1793 }
1794 1794
1795 1795 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1796 1796 "scsa2usb_create_luns: %d luns found", scsa2usbp->scsa2usb_n_luns);
1797 1797
1798 1798 /*
1799 1799 * create disk child for each lun
1800 1800 */
1801 1801 for (lun = 0; lun < scsa2usbp->scsa2usb_n_luns; lun++) {
1802 1802 ASSERT(scsa2usbp->scsa2usb_lun_dip[lun] == NULL);
1803 1803
1804 1804 /* do an inquiry to get the dtype of this lun */
1805 1805 scsa2usb_do_inquiry(scsa2usbp, 0, lun);
1806 1806
1807 1807 dtype = scsa2usbp->scsa2usb_lun_inquiry[lun].
1808 1808 inq_dtype & DTYPE_MASK;
1809 1809
1810 1810 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
1811 1811 "dtype[%d]=0x%x", lun, dtype);
1812 1812
1813 1813 driver_name = NULL;
1814 1814
1815 1815 switch (dtype) {
1816 1816 case DTYPE_DIRECT:
1817 1817 case DTYPE_RODIRECT:
1818 1818 case DTYPE_OPTICAL:
1819 1819 node_name = "disk";
1820 1820 driver_name = "sd";
1821 1821
1822 1822 break;
1823 1823 case DTYPE_SEQUENTIAL:
1824 1824 node_name = "tape";
1825 1825 driver_name = "st";
1826 1826
1827 1827 break;
1828 1828 case DTYPE_PRINTER:
1829 1829 node_name = "printer";
1830 1830
1831 1831 break;
1832 1832 case DTYPE_PROCESSOR:
1833 1833 node_name = "processor";
1834 1834
1835 1835 break;
1836 1836 case DTYPE_WORM:
1837 1837 node_name = "worm";
1838 1838
1839 1839 break;
1840 1840 case DTYPE_SCANNER:
1841 1841 node_name = "scanner";
1842 1842
1843 1843 break;
1844 1844 case DTYPE_CHANGER:
1845 1845 node_name = "changer";
1846 1846
1847 1847 break;
1848 1848 case DTYPE_COMM:
1849 1849 node_name = "comm";
1850 1850
1851 1851 break;
1852 1852 case DTYPE_ARRAY_CTRL:
1853 1853 node_name = "array_ctrl";
1854 1854
1855 1855 break;
1856 1856 case DTYPE_ESI:
1857 1857 node_name = "esi";
1858 1858 driver_name = "ses";
1859 1859
1860 1860 break;
1861 1861 default:
1862 1862 node_name = "generic";
1863 1863
1864 1864 break;
1865 1865 }
1866 1866
1867 1867 if (driver_name) {
1868 1868 compatible[0] = driver_name;
1869 1869 }
1870 1870
1871 1871 ndi_devi_alloc_sleep(scsa2usbp->scsa2usb_dip, node_name,
1872 1872 (pnode_t)DEVI_SID_NODEID, &cdip);
1873 1873
1874 1874 /* attach target & lun properties */
1875 1875 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "target", 0);
1876 1876 if (rval != DDI_PROP_SUCCESS) {
1877 1877 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1878 1878 scsa2usbp->scsa2usb_log_handle,
1879 1879 "ndi_prop_update_int target failed %d", rval);
1880 1880 (void) ndi_devi_free(cdip);
1881 1881 continue;
1882 1882 }
1883 1883
1884 1884 rval = ndi_prop_create_boolean(DDI_DEV_T_NONE, cdip,
1885 1885 "hotpluggable");
1886 1886 if (rval != DDI_PROP_SUCCESS) {
1887 1887 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1888 1888 scsa2usbp->scsa2usb_log_handle,
1889 1889 "ndi_prop_create_boolean hotpluggable failed %d",
1890 1890 rval);
1891 1891 ddi_prop_remove_all(cdip);
1892 1892 (void) ndi_devi_free(cdip);
1893 1893 continue;
1894 1894 }
1895 1895 /*
1896 1896 * Some devices don't support LOG SENSE, so tells
1897 1897 * sd driver not to send this command.
1898 1898 */
1899 1899 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip,
1900 1900 "pm-capable", 1);
1901 1901 if (rval != DDI_PROP_SUCCESS) {
1902 1902 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1903 1903 scsa2usbp->scsa2usb_log_handle,
1904 1904 "ndi_prop_update_int pm-capable failed %d", rval);
1905 1905 ddi_prop_remove_all(cdip);
1906 1906 (void) ndi_devi_free(cdip);
1907 1907 continue;
1908 1908 }
1909 1909
1910 1910 rval = ndi_prop_update_int(DDI_DEV_T_NONE, cdip, "lun", lun);
1911 1911 if (rval != DDI_PROP_SUCCESS) {
1912 1912 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1913 1913 scsa2usbp->scsa2usb_log_handle,
1914 1914 "ndi_prop_update_int lun failed %d", rval);
1915 1915 ddi_prop_remove_all(cdip);
1916 1916 (void) ndi_devi_free(cdip);
1917 1917 continue;
1918 1918 }
1919 1919
1920 1920 if (driver_name) {
1921 1921 rval = ndi_prop_update_string_array(DDI_DEV_T_NONE,
1922 1922 cdip, "compatible", (char **)compatible,
1923 1923 MAX_COMPAT_NAMES);
1924 1924 if (rval != DDI_PROP_SUCCESS) {
1925 1925 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1926 1926 scsa2usbp->scsa2usb_log_handle,
1927 1927 "ndi_prop_update_string_array failed %d",
1928 1928 rval);
1929 1929 ddi_prop_remove_all(cdip);
1930 1930 (void) ndi_devi_free(cdip);
1931 1931 continue;
1932 1932 }
1933 1933 }
1934 1934
1935 1935 /*
1936 1936 * add property "usb" so we always verify that it is our child
1937 1937 */
1938 1938 rval = ndi_prop_create_boolean(DDI_DEV_T_NONE, cdip, "usb");
1939 1939 if (rval != DDI_PROP_SUCCESS) {
1940 1940 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
1941 1941 scsa2usbp->scsa2usb_log_handle,
1942 1942 "ndi_prop_create_boolean failed %d", rval);
1943 1943 ddi_prop_remove_all(cdip);
1944 1944 (void) ndi_devi_free(cdip);
1945 1945 continue;
1946 1946 }
1947 1947
1948 1948 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1949 1949 (void) ddi_initchild(scsa2usbp->scsa2usb_dip, cdip);
1950 1950 mutex_enter(&scsa2usbp->scsa2usb_mutex);
1951 1951
1952 1952 usba_set_usba_device(cdip,
1953 1953 usba_get_usba_device(scsa2usbp->scsa2usb_dip));
1954 1954 }
1955 1955 mutex_exit(&scsa2usbp->scsa2usb_mutex);
1956 1956 }
1957 1957
1958 1958
1959 1959 /*
1960 1960 * scsa2usb_is_usb:
1961 1961 * scsa2usb gets called for all possible sd children.
1962 1962 * we can only accept usb children
1963 1963 */
1964 1964 static int
1965 1965 scsa2usb_is_usb(dev_info_t *dip)
1966 1966 {
1967 1967 if (dip) {
1968 1968 return (ddi_prop_exists(DDI_DEV_T_ANY, dip,
1969 1969 DDI_PROP_DONTPASS, "usb"));
1970 1970 }
1971 1971 return (0);
1972 1972 }
1973 1973
1974 1974
1975 1975 /*
1976 1976 * Panic Stuff
1977 1977 * scsa2usb_panic_callb_init:
1978 1978 * initialize PANIC callb and free allocated resources
1979 1979 */
1980 1980 static void
1981 1981 scsa2usb_panic_callb_init(scsa2usb_state_t *scsa2usbp)
1982 1982 {
1983 1983 /*
1984 1984 * In case the system panics, the sync command flushes
1985 1985 * dirty FS pages or buffers. This would cause a hang
1986 1986 * in USB.
1987 1987 * The reason for the failure is that we enter
1988 1988 * polled mode (interrupts disabled) and HCD gets stuck
1989 1989 * trying to execute bulk requests
1990 1990 * The panic_callback registered below provides a warning
1991 1991 * that a panic has occurred and from that point onwards, we
1992 1992 * complete each request successfully and immediately. This
1993 1993 * will fake successful syncing so at least the rest of the
1994 1994 * filesystems complete syncing.
1995 1995 */
1996 1996 scsa2usbp->scsa2usb_panic_info =
1997 1997 kmem_zalloc(sizeof (scsa2usb_cpr_t), KM_SLEEP);
1998 1998 mutex_init(&scsa2usbp->scsa2usb_panic_info->lockp,
1999 1999 NULL, MUTEX_DRIVER,
2000 2000 scsa2usbp->scsa2usb_dev_data->dev_iblock_cookie);
2001 2001 scsa2usbp->scsa2usb_panic_info->statep = scsa2usbp;
2002 2002 scsa2usbp->scsa2usb_panic_info->cpr.cc_lockp =
2003 2003 &scsa2usbp->scsa2usb_panic_info->lockp;
2004 2004 scsa2usbp->scsa2usb_panic_info->cpr.cc_id =
2005 2005 callb_add(scsa2usb_panic_callb,
2006 2006 (void *)scsa2usbp->scsa2usb_panic_info,
2007 2007 CB_CL_PANIC, "scsa2usb");
2008 2008 }
2009 2009
2010 2010
2011 2011 /*
2012 2012 * scsa2usb_panic_callb_fini:
2013 2013 * cancel out PANIC callb and free allocated resources
2014 2014 */
2015 2015 static void
2016 2016 scsa2usb_panic_callb_fini(scsa2usb_state_t *scsa2usbp)
2017 2017 {
2018 2018 if (scsa2usbp->scsa2usb_panic_info) {
2019 2019 SCSA2USB_CANCEL_CB(scsa2usbp->scsa2usb_panic_info->cpr.cc_id);
2020 2020 mutex_destroy(&scsa2usbp->scsa2usb_panic_info->lockp);
2021 2021 scsa2usbp->scsa2usb_panic_info->statep = NULL;
2022 2022 kmem_free(scsa2usbp->scsa2usb_panic_info,
2023 2023 sizeof (scsa2usb_cpr_t));
2024 2024 scsa2usbp->scsa2usb_panic_info = NULL;
2025 2025 }
2026 2026 }
2027 2027
2028 2028
2029 2029 /*
2030 2030 * scsa2usb_panic_callb:
2031 2031 * This routine is called when there is a system panic.
2032 2032 */
2033 2033 /* ARGSUSED */
2034 2034 static boolean_t
2035 2035 scsa2usb_panic_callb(void *arg, int code)
2036 2036 {
2037 2037 scsa2usb_cpr_t *cpr_infop;
2038 2038 scsa2usb_state_t *scsa2usbp;
2039 2039 uint_t lun;
2040 2040
2041 2041 _NOTE(NO_COMPETING_THREADS_NOW);
2042 2042 cpr_infop = (scsa2usb_cpr_t *)arg;
2043 2043 scsa2usbp = (scsa2usb_state_t *)cpr_infop->statep;
2044 2044
2045 2045 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2046 2046 "scsa2usb_panic_callb: code=%d", code);
2047 2047
2048 2048 /*
2049 2049 * If we return error here, "sd" prints lots of error
2050 2050 * messages and could retry the same pkt over and over again.
2051 2051 * The sync recovery isn't "smooth" in that case. By faking
2052 2052 * a success return, instead, we force sync to complete.
2053 2053 */
2054 2054 if (scsa2usbp->scsa2usb_cur_pkt) {
2055 2055 /*
2056 2056 * Do not print the "no sync" warning here. it will then be
2057 2057 * displayed before we actually start syncing. Also we don't
2058 2058 * replace this code with a call to scsa2usb_pkt_completion().
2059 2059 * NOTE: mutexes are disabled during panic.
2060 2060 */
2061 2061 scsa2usbp->scsa2usb_cur_pkt->pkt_reason = CMD_CMPLT;
2062 2062 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2063 2063 scsa2usb_pkt_completion(scsa2usbp, scsa2usbp->scsa2usb_cur_pkt);
2064 2064 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2065 2065 }
2066 2066
2067 2067 /* get rid of waitQ */
2068 2068 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) {
2069 2069 scsa2usb_flush_waitQ(scsa2usbp, lun, CMD_CMPLT);
2070 2070 }
2071 2071
2072 2072 #ifndef lint
2073 2073 _NOTE(COMPETING_THREADS_NOW);
2074 2074 #endif
2075 2075
2076 2076 return (B_TRUE);
2077 2077 }
2078 2078
2079 2079 /*
2080 2080 * scsa2usb_cpr_suspend
2081 2081 * determine if the device's state can be changed to SUSPENDED
2082 2082 * close pipes if there is no activity
2083 2083 */
2084 2084 /* ARGSUSED */
2085 2085 static int
2086 2086 scsa2usb_cpr_suspend(dev_info_t *dip)
2087 2087 {
2088 2088 scsa2usb_state_t *scsa2usbp;
2089 2089 int prev_state;
2090 2090 int rval = USB_FAILURE;
2091 2091
2092 2092 scsa2usbp = ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip));
2093 2093
2094 2094 ASSERT(scsa2usbp != NULL);
2095 2095
2096 2096 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2097 2097 "scsa2usb_cpr_suspend:");
2098 2098
2099 2099 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2100 2100 switch (scsa2usbp->scsa2usb_dev_state) {
2101 2101 case USB_DEV_ONLINE:
2102 2102 case USB_DEV_PWRED_DOWN:
2103 2103 case USB_DEV_DISCONNECTED:
2104 2104 prev_state = scsa2usbp->scsa2usb_dev_state;
2105 2105 scsa2usbp->scsa2usb_dev_state = USB_DEV_SUSPENDED;
2106 2106
2107 2107 /*
2108 2108 * If the device is busy, we cannot suspend
2109 2109 */
2110 2110 if (SCSA2USB_BUSY(scsa2usbp)) {
2111 2111 USB_DPRINTF_L3(DPRINT_MASK_SCSA,
2112 2112 scsa2usbp->scsa2usb_log_handle,
2113 2113 "scsa2usb_cpr_suspend: I/O active");
2114 2114
2115 2115 /* fall back to previous state */
2116 2116 scsa2usbp->scsa2usb_dev_state = prev_state;
2117 2117 } else {
2118 2118 rval = USB_SUCCESS;
2119 2119 }
2120 2120
2121 2121 break;
2122 2122 case USB_DEV_SUSPENDED:
2123 2123 default:
2124 2124 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2125 2125 "scsa2usb_cpr_suspend: Illegal dev state: %d",
2126 2126 scsa2usbp->scsa2usb_dev_state);
2127 2127
2128 2128 break;
2129 2129 }
2130 2130 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2131 2131
2132 2132 if ((rval == USB_SUCCESS) && scsa2usbp->scsa2usb_ugen_hdl) {
2133 2133 rval = usb_ugen_detach(scsa2usbp->scsa2usb_ugen_hdl,
2134 2134 DDI_SUSPEND);
2135 2135 }
2136 2136
2137 2137 return (rval);
2138 2138 }
2139 2139
2140 2140
2141 2141 /*
2142 2142 * scsa2usb_cpr_resume:
2143 2143 * restore device's state
2144 2144 */
2145 2145 static void
2146 2146 scsa2usb_cpr_resume(dev_info_t *dip)
2147 2147 {
2148 2148 scsa2usb_state_t *scsa2usbp =
2149 2149 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip));
2150 2150
2151 2151 ASSERT(scsa2usbp != NULL);
2152 2152
2153 2153 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2154 2154 "scsa2usb_cpr_resume: dip = 0x%p", (void *)dip);
2155 2155
2156 2156 scsa2usb_restore_device_state(dip, scsa2usbp);
2157 2157
2158 2158 if (scsa2usbp->scsa2usb_ugen_hdl) {
2159 2159 (void) usb_ugen_attach(scsa2usbp->scsa2usb_ugen_hdl,
2160 2160 DDI_RESUME);
2161 2161 }
2162 2162 }
2163 2163
2164 2164
2165 2165 /*
2166 2166 * scsa2usb_restore_device_state:
2167 2167 * - raise the device's power
2168 2168 * - reopen all the pipes
2169 2169 */
2170 2170 static void
2171 2171 scsa2usb_restore_device_state(dev_info_t *dip, scsa2usb_state_t *scsa2usbp)
2172 2172 {
2173 2173 uint_t prev_state;
2174 2174
2175 2175 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2176 2176 "scsa2usb_restore_device_state:");
2177 2177
2178 2178 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2179 2179 prev_state = scsa2usbp->scsa2usb_dev_state;
2180 2180
2181 2181 scsa2usb_raise_power(scsa2usbp);
2182 2182
2183 2183 ASSERT((prev_state == USB_DEV_DISCONNECTED) ||
2184 2184 (prev_state == USB_DEV_SUSPENDED));
2185 2185
2186 2186 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2187 2187
2188 2188 /* Check for the same device */
2189 2189 if (usb_check_same_device(dip, scsa2usbp->scsa2usb_log_handle,
2190 2190 USB_LOG_L0, DPRINT_MASK_ALL, USB_CHK_ALL, NULL) != USB_SUCCESS) {
2191 2191
2192 2192 /* change the flags to active */
2193 2193 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2194 2194 scsa2usbp->scsa2usb_dev_state = USB_DEV_DISCONNECTED;
2195 2195 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2196 2196
2197 2197 scsa2usb_pm_idle_component(scsa2usbp);
2198 2198
2199 2199 return;
2200 2200 }
2201 2201
2202 2202 /*
2203 2203 * if the device had remote wakeup earlier,
2204 2204 * enable it again
2205 2205 */
2206 2206 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2207 2207 if (scsa2usbp->scsa2usb_pm &&
2208 2208 scsa2usbp->scsa2usb_pm->scsa2usb_wakeup_enabled) {
2209 2209 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2210 2210 (void) usb_handle_remote_wakeup(scsa2usbp->scsa2usb_dip,
2211 2211 USB_REMOTE_WAKEUP_ENABLE);
2212 2212 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2213 2213 }
2214 2214
2215 2215 scsa2usbp->scsa2usb_dev_state = USB_DEV_ONLINE;
2216 2216 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE;
2217 2217 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2218 2218
2219 2219 scsa2usb_pm_idle_component(scsa2usbp);
2220 2220 }
2221 2221
2222 2222
2223 2223 /*
2224 2224 * SCSA entry points:
2225 2225 *
2226 2226 * scsa2usb_scsi_tgt_probe:
2227 2227 * scsa functions are exported by means of the transport table
2228 2228 * Issue a probe to get the inquiry data.
2229 2229 */
2230 2230 /* ARGSUSED */
2231 2231 static int
2232 2232 scsa2usb_scsi_tgt_probe(struct scsi_device *sd, int (*waitfunc)(void))
2233 2233 {
2234 2234 scsi_hba_tran_t *tran;
2235 2235 scsa2usb_state_t *scsa2usbp;
2236 2236 dev_info_t *dip = ddi_get_parent(sd->sd_dev);
2237 2237 int rval;
2238 2238
2239 2239 ASSERT(dip);
2240 2240
2241 2241 tran = ddi_get_driver_private(dip);
2242 2242 ASSERT(tran != NULL);
2243 2243 scsa2usbp = (scsa2usb_state_t *)tran->tran_hba_private;
2244 2244 ASSERT(scsa2usbp);
2245 2245
2246 2246 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2247 2247 "scsa2usb_scsi_tgt_probe:");
2248 2248
2249 2249 /* if device is disconnected (ie. pipes closed), fail immediately */
2250 2250 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2251 2251 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) {
2252 2252 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2253 2253
2254 2254 return (SCSIPROBE_FAILURE);
2255 2255 }
2256 2256 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2257 2257
2258 2258 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2259 2259 "scsa2usb_scsi_tgt_probe: scsi_device = 0x%p", (void *)sd);
2260 2260
2261 2261 if ((rval = scsi_hba_probe(sd, waitfunc)) == SCSIPROBE_EXISTS) {
2262 2262 /*
2263 2263 * respect the removable bit on all USB storage devices
2264 2264 * unless overridden by a scsa2usb.conf entry
2265 2265 */
2266 2266 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2267 2267 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_RMB)) {
2268 2268 _NOTE(SCHEME_PROTECTS_DATA("unshared", scsi_inquiry))
2269 2269 sd->sd_inq->inq_rmb = 1;
2270 2270 }
2271 2271 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2272 2272 }
2273 2273
2274 2274 return (rval);
2275 2275 }
2276 2276
2277 2277
2278 2278 /*
2279 2279 * scsa2usb_scsi_tgt_init:
2280 2280 * check whether we created this child ourselves
2281 2281 */
2282 2282 /* ARGSUSED */
2283 2283 static int
2284 2284 scsa2usb_scsi_tgt_init(dev_info_t *dip, dev_info_t *cdip,
2285 2285 scsi_hba_tran_t *tran, struct scsi_device *sd)
2286 2286 {
2287 2287 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)
2288 2288 tran->tran_hba_private;
2289 2289 int lun;
2290 2290 int t_len = sizeof (lun);
2291 2291
2292 2292 if (ddi_prop_op(DDI_DEV_T_ANY, cdip, PROP_LEN_AND_VAL_BUF,
2293 2293 DDI_PROP_DONTPASS|DDI_PROP_CANSLEEP, "lun", (caddr_t)&lun,
2294 2294 &t_len) != DDI_PROP_SUCCESS) {
2295 2295
2296 2296 return (DDI_FAILURE);
2297 2297 }
2298 2298
2299 2299 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2300 2300 "scsa2usb_scsi_tgt_init: %s, lun%d", ddi_driver_name(cdip), lun);
2301 2301
2302 2302 /* is this a child we created? */
2303 2303 if (scsa2usb_is_usb(cdip) == 0) {
2304 2304
2305 2305 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2306 2306 "scsa2usb_scsi_tgt_init: new child %s%d",
2307 2307 ddi_driver_name(cdip), ddi_get_instance(cdip));
2308 2308
2309 2309 /*
2310 2310 * add property "usb" so we can always verify that it
2311 2311 * is our child
2312 2312 */
2313 2313 if (ndi_prop_create_boolean(DDI_DEV_T_NONE, cdip, "usb") !=
2314 2314 DDI_PROP_SUCCESS) {
2315 2315 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
2316 2316 scsa2usbp->scsa2usb_log_handle,
2317 2317 "ndi_prop_create_boolean failed");
2318 2318
2319 2319 return (DDI_FAILURE);
2320 2320 }
2321 2321
2322 2322 usba_set_usba_device(cdip,
2323 2323 usba_get_usba_device(scsa2usbp->scsa2usb_dip));
2324 2324
2325 2325 /*
2326 2326 * we don't store this dip in scsa2usb_lun_dip, there
2327 2327 * might be multiple dips for the same device
2328 2328 */
2329 2329
2330 2330 return (DDI_SUCCESS);
2331 2331 }
2332 2332
2333 2333 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2334 2334 if ((lun >= scsa2usbp->scsa2usb_n_luns) ||
2335 2335 (scsa2usbp->scsa2usb_lun_dip[lun] != NULL)) {
2336 2336 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2337 2337
2338 2338 return (DDI_FAILURE);
2339 2339 }
2340 2340
2341 2341 scsa2usbp->scsa2usb_lun_dip[lun] = cdip;
2342 2342 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2343 2343
2344 2344 return (DDI_SUCCESS);
2345 2345 }
2346 2346
2347 2347
2348 2348 /*
2349 2349 * scsa2usb_scsi_tgt_free:
2350 2350 */
2351 2351 /* ARGSUSED */
2352 2352 static void
2353 2353 scsa2usb_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *cdip,
2354 2354 scsi_hba_tran_t *tran, struct scsi_device *sd)
2355 2355 {
2356 2356 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)
2357 2357 tran->tran_hba_private;
2358 2358 int lun;
2359 2359 int t_len = sizeof (lun);
2360 2360
2361 2361 /* is this our child? */
2362 2362 if (scsa2usb_is_usb(cdip) == 0) {
2363 2363
2364 2364 return;
2365 2365 }
2366 2366
2367 2367 if (ddi_prop_op(DDI_DEV_T_ANY, cdip, PROP_LEN_AND_VAL_BUF,
2368 2368 DDI_PROP_DONTPASS|DDI_PROP_CANSLEEP, "lun", (caddr_t)&lun,
2369 2369 &t_len) != DDI_PROP_SUCCESS) {
2370 2370
2371 2371 return;
2372 2372 }
2373 2373
2374 2374 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2375 2375 "scsa2usb_scsi_tgt_free: %s lun%d", ddi_driver_name(cdip), lun);
2376 2376
2377 2377 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2378 2378 if (lun < scsa2usbp->scsa2usb_n_luns) {
2379 2379 if (scsa2usbp->scsa2usb_lun_dip[lun] == cdip) {
2380 2380 scsa2usbp->scsa2usb_lun_dip[lun] = NULL;
2381 2381 }
2382 2382 }
2383 2383 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2384 2384 }
2385 2385
2386 2386
2387 2387 /*
2388 2388 * bus enumeration entry points
2389 2389 */
2390 2390 static int
2391 2391 scsa2usb_scsi_bus_config(dev_info_t *dip, uint_t flag, ddi_bus_config_op_t op,
2392 2392 void *arg, dev_info_t **child)
2393 2393 {
2394 2394 int circ;
2395 2395 int rval;
2396 2396
2397 2397 scsa2usb_state_t *scsa2usbp =
2398 2398 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip));
2399 2399
2400 2400 ASSERT(scsa2usbp != NULL);
2401 2401
2402 2402 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2403 2403 "scsa2usb_scsi_bus_config: op=%d", op);
2404 2404
2405 2405 if (scsa2usb_scsi_bus_config_debug) {
2406 2406 flag |= NDI_DEVI_DEBUG;
2407 2407 }
2408 2408
2409 2409 ndi_devi_enter(dip, &circ);
2410 2410 /* create children if necessary */
2411 2411 if (DEVI(dip)->devi_child == NULL) {
2412 2412 scsa2usb_create_luns(scsa2usbp);
2413 2413 }
2414 2414
2415 2415 rval = ndi_busop_bus_config(dip, flag, op, arg, child, 0);
2416 2416
2417 2417 ndi_devi_exit(dip, circ);
2418 2418
2419 2419 return (rval);
2420 2420 }
2421 2421
2422 2422
2423 2423 static int
2424 2424 scsa2usb_scsi_bus_unconfig(dev_info_t *dip, uint_t flag, ddi_bus_config_op_t op,
2425 2425 void *arg)
2426 2426 {
2427 2427 scsa2usb_state_t *scsa2usbp =
2428 2428 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip));
2429 2429
2430 2430 int circular_count;
2431 2431 int rval = NDI_SUCCESS;
2432 2432 uint_t save_flag = flag;
2433 2433
2434 2434 ASSERT(scsa2usbp != NULL);
2435 2435
2436 2436 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2437 2437 "scsa2usb_scsi_bus_unconfig: op=%d", op);
2438 2438
2439 2439 if (scsa2usb_scsi_bus_config_debug) {
2440 2440 flag |= NDI_DEVI_DEBUG;
2441 2441 }
2442 2442
2443 2443 /*
2444 2444 * first offline and if offlining successful, then
2445 2445 * remove children
2446 2446 */
2447 2447 if (op == BUS_UNCONFIG_ALL) {
2448 2448 flag &= ~(NDI_DEVI_REMOVE | NDI_UNCONFIG);
2449 2449 }
2450 2450
2451 2451 ndi_devi_enter(dip, &circular_count);
2452 2452 rval = ndi_busop_bus_unconfig(dip, flag, op, arg);
2453 2453
2454 2454 /*
2455 2455 * If unconfig is successful and not part of modunload
2456 2456 * daemon, attempt to remove children.
2457 2457 */
2458 2458 if (op == BUS_UNCONFIG_ALL && rval == NDI_SUCCESS &&
2459 2459 (flag & NDI_AUTODETACH) == 0) {
2460 2460 flag |= NDI_DEVI_REMOVE;
2461 2461 rval = ndi_busop_bus_unconfig(dip, flag, op, arg);
2462 2462 }
2463 2463 ndi_devi_exit(dip, circular_count);
2464 2464
2465 2465 if ((rval != NDI_SUCCESS) && (op == BUS_UNCONFIG_ALL) &&
2466 2466 (save_flag & NDI_DEVI_REMOVE)) {
2467 2467 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2468 2468 if (scsa2usbp->scsa2usb_warning_given != B_TRUE) {
2469 2469 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
2470 2470 scsa2usbp->scsa2usb_log_handle,
2471 2471 "Disconnected device was busy, "
2472 2472 "please reconnect.");
2473 2473 scsa2usbp->scsa2usb_warning_given = B_TRUE;
2474 2474 }
2475 2475 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2476 2476 }
2477 2477
2478 2478 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2479 2479 "scsa2usb_scsi_bus_unconfig: rval=%d", rval);
2480 2480
2481 2481 return (rval);
2482 2482 }
2483 2483
2484 2484
2485 2485 /*
2486 2486 * scsa2usb_scsi_init_pkt:
2487 2487 * Set up the scsi_pkt for transport. Also initialize
2488 2488 * scsa2usb_cmd struct for the transport.
2489 2489 * NOTE: We do not do any DMA setup here as USBA framework
2490 2490 * does that for us.
2491 2491 */
2492 2492 static struct scsi_pkt *
2493 2493 scsa2usb_scsi_init_pkt(struct scsi_address *ap,
2494 2494 struct scsi_pkt *pkt, struct buf *bp, int cmdlen, int statuslen,
2495 2495 int tgtlen, int flags, int (*callback)(), caddr_t arg)
2496 2496 {
2497 2497 scsa2usb_cmd_t *cmd;
2498 2498 scsa2usb_state_t *scsa2usbp;
2499 2499 struct scsi_pkt *in_pkt = pkt;
2500 2500
2501 2501 ASSERT(callback == NULL_FUNC || callback == SLEEP_FUNC);
2502 2502
2503 2503 scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap);
2504 2504
2505 2505 /* Print sync message */
2506 2506 if (ddi_in_panic()) {
2507 2507 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2508 2508 SCSA2USB_PRINT_SYNC_MSG(scsa2usb_sync_message, scsa2usbp);
2509 2509 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2510 2510 /* continue so caller will not hang or complain */
2511 2511 }
2512 2512
2513 2513 /* allocate a pkt, if none already allocated */
2514 2514 if (pkt == NULL) {
2515 2515 if (statuslen < sizeof (struct scsi_arq_status)) {
2516 2516 statuslen = sizeof (struct scsi_arq_status);
2517 2517 }
2518 2518
2519 2519 pkt = scsi_hba_pkt_alloc(scsa2usbp->scsa2usb_dip, ap, cmdlen,
2520 2520 statuslen, tgtlen, sizeof (scsa2usb_cmd_t),
2521 2521 callback, arg);
2522 2522 if (pkt == NULL) {
2523 2523
2524 2524 return (NULL);
2525 2525 }
2526 2526
2527 2527 cmd = PKT2CMD(pkt);
2528 2528 cmd->cmd_pkt = pkt; /* back link to pkt */
2529 2529 cmd->cmd_scblen = statuslen;
2530 2530 cmd->cmd_cdblen = (uchar_t)cmdlen;
2531 2531
2532 2532 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2533 2533 cmd->cmd_tag = scsa2usbp->scsa2usb_tag++;
2534 2534 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2535 2535
2536 2536 cmd->cmd_bp = bp;
2537 2537 /*
2538 2538 * The buffer size of cmd->cmd_scb is constrained
2539 2539 * to sizeof (struct scsi_arq_status), if the scblen
2540 2540 * is bigger than that, we use pkt->pkt_scbp directly.
2541 2541 */
2542 2542 if (cmd->cmd_scblen == sizeof (struct scsi_arq_status)) {
2543 2543 pkt->pkt_scbp = (opaque_t)&cmd->cmd_scb;
2544 2544 }
2545 2545
2546 2546 usba_init_list(&cmd->cmd_waitQ, (usb_opaque_t)cmd,
2547 2547 scsa2usbp->scsa2usb_dev_data->dev_iblock_cookie);
2548 2548 } else {
2549 2549 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2550 2550 "scsa2usb: pkt != NULL");
2551 2551
2552 2552 /* nothing to do */
2553 2553 }
2554 2554
2555 2555 if (bp && (bp->b_bcount != 0)) {
2556 2556 if ((bp_mapin_common(bp, (callback == SLEEP_FUNC) ?
2557 2557 VM_SLEEP : VM_NOSLEEP)) == NULL) {
2558 2558 if (pkt != in_pkt) {
2559 2559 scsi_hba_pkt_free(ap, pkt);
2560 2560 }
2561 2561
2562 2562 return (NULL);
2563 2563 }
2564 2564
2565 2565 USB_DPRINTF_L3(DPRINT_MASK_SCSA,
2566 2566 scsa2usbp->scsa2usb_log_handle,
2567 2567 "scsa2usb_scsi_init_pkt: mapped in 0x%p, addr=0x%p",
2568 2568 (void *)bp, (void *)bp->b_un.b_addr);
2569 2569 }
2570 2570
2571 2571 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2572 2572 "scsa2usb_scsi_init_pkt: ap = 0x%p pkt: 0x%p\n\t"
2573 2573 "bp = 0x%p cmdlen = %x stlen = 0x%x tlen = 0x%x flags = 0x%x",
2574 2574 (void *)ap, (void *)pkt, (void *)bp, cmdlen, statuslen,
2575 2575 tgtlen, flags);
2576 2576
2577 2577 return (pkt);
2578 2578 }
2579 2579
2580 2580
2581 2581 /*
2582 2582 * scsa2usb_scsi_destroy_pkt:
2583 2583 * We are done with the packet. Get rid of it.
2584 2584 */
2585 2585 static void
2586 2586 scsa2usb_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
2587 2587 {
2588 2588 scsa2usb_cmd_t *cmd = PKT2CMD(pkt);
2589 2589 scsa2usb_state_t *scsa2usbp = ADDR2SCSA2USB(ap);
2590 2590
2591 2591 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2592 2592 "scsa2usb_scsi_destroy_pkt: pkt=0x%p", (void *)pkt);
2593 2593
2594 2594 usba_destroy_list(&cmd->cmd_waitQ);
2595 2595 scsi_hba_pkt_free(ap, pkt);
2596 2596 }
2597 2597
2598 2598
2599 2599 /*
2600 2600 * scsa2usb_scsi_start:
2601 2601 * For each command being issued, build up the CDB
2602 2602 * and call scsi_transport to issue the command. This
2603 2603 * function is based on the assumption that USB allows
2604 2604 * a subset of SCSI commands. Other SCSI commands we fail.
2605 2605 */
2606 2606 static int
2607 2607 scsa2usb_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt)
2608 2608 {
2609 2609 scsa2usb_cmd_t *cmd;
2610 2610 scsa2usb_state_t *scsa2usbp = ADDR2SCSA2USB(ap);
2611 2611 uint_t lun = ap->a_lun;
2612 2612
2613 2613 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2614 2614
2615 2615 cmd = PKT2CMD(pkt);
2616 2616 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2617 2617 "scsa2usb_scsi_start:\n\t"
2618 2618 "bp: 0x%p ap: 0x%p pkt: 0x%p flag: 0x%x time: 0x%x\n\tcdb0: 0x%x "
2619 2619 "dev_state: 0x%x pkt_state: 0x%x flags: 0x%x pipe_state: 0x%x",
2620 2620 (void *)cmd->cmd_bp, (void *)ap, (void *)pkt, pkt->pkt_flags,
2621 2621 pkt->pkt_time, pkt->pkt_cdbp[0], scsa2usbp->scsa2usb_dev_state,
2622 2622 scsa2usbp->scsa2usb_pkt_state, scsa2usbp->scsa2usb_flags,
2623 2623 scsa2usbp->scsa2usb_pipe_state);
2624 2624
2625 2625 if (pkt->pkt_time == 0) {
2626 2626 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2627 2627 "pkt submitted with 0 timeout which may cause indefinite "
2628 2628 "hangs");
2629 2629 }
2630 2630
2631 2631 /*
2632 2632 * if we are in panic, we are in polled mode, so we can just
2633 2633 * accept the request, drop it and return
2634 2634 * if we fail this request, the rest of the file systems do not
2635 2635 * get synced
2636 2636 */
2637 2637 if (ddi_in_panic()) {
2638 2638 extern int do_polled_io;
2639 2639
2640 2640 ASSERT(do_polled_io);
2641 2641 scsa2usb_prepare_pkt(scsa2usbp, pkt);
2642 2642 SCSA2USB_PRINT_SYNC_MSG(scsa2usb_sync_message, scsa2usbp);
2643 2643 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2644 2644
2645 2645 return (TRAN_ACCEPT);
2646 2646 }
2647 2647
2648 2648 /* we cannot do polling, this should not happen */
2649 2649 if (pkt->pkt_flags & FLAG_NOINTR) {
2650 2650 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2651 2651 "NOINTR packet: opcode = 0%x", pkt->pkt_cdbp[0]);
2652 2652 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2653 2653
2654 2654 return (TRAN_BADPKT);
2655 2655 }
2656 2656
2657 2657 /* prepare packet */
2658 2658 scsa2usb_prepare_pkt(scsa2usbp, pkt);
2659 2659
2660 2660 /* just queue up the requests in the waitQ if below max */
2661 2661 if (usba_list_entry_count(&scsa2usbp->scsa2usb_waitQ[lun]) >
2662 2662 SCSA2USB_MAX_REQ_PER_LUN) {
2663 2663 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
2664 2664 scsa2usbp->scsa2usb_log_handle,
2665 2665 "scsa2usb_scsi_start: limit (%d) exceeded",
2666 2666 SCSA2USB_MAX_REQ_PER_LUN);
2667 2667 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2668 2668
2669 2669 return (TRAN_BUSY);
2670 2670 }
2671 2671
2672 2672 usba_add_to_list(&scsa2usbp->scsa2usb_waitQ[lun], &cmd->cmd_waitQ);
2673 2673
2674 2674 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2675 2675 "scsa2usb_work_thread_id=0x%p, count=%d, lun=%d",
2676 2676 (void *)scsa2usbp->scsa2usb_work_thread_id,
2677 2677 usba_list_entry_count(&scsa2usbp->scsa2usb_waitQ[lun]), lun);
2678 2678
2679 2679 /* fire up a thread to start executing the protocol */
2680 2680 if (scsa2usbp->scsa2usb_work_thread_id == 0) {
2681 2681 if ((usb_async_req(scsa2usbp->scsa2usb_dip,
2682 2682 scsa2usb_work_thread,
2683 2683 (void *)scsa2usbp, USB_FLAGS_SLEEP)) != USB_SUCCESS) {
2684 2684 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
2685 2685 scsa2usbp->scsa2usb_log_handle,
2686 2686 "no work thread started");
2687 2687
2688 2688 if (usba_rm_from_list(
2689 2689 &scsa2usbp->scsa2usb_waitQ[lun],
2690 2690 &cmd->cmd_waitQ) == USB_SUCCESS) {
2691 2691 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2692 2692
2693 2693 return (TRAN_BUSY);
2694 2694 } else {
2695 2695
2696 2696 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2697 2697
2698 2698 return (TRAN_ACCEPT);
2699 2699 }
2700 2700 }
2701 2701 scsa2usbp->scsa2usb_work_thread_id = (kthread_t *)1;
2702 2702 }
2703 2703
2704 2704 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2705 2705
2706 2706 return (TRAN_ACCEPT);
2707 2707 }
2708 2708
2709 2709
2710 2710 /*
2711 2711 * scsa2usb_scsi_abort:
2712 2712 * Issue SCSI abort command. This function is a NOP.
2713 2713 */
2714 2714 /* ARGSUSED */
2715 2715 static int
2716 2716 scsa2usb_scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt)
2717 2717 {
2718 2718 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap);
2719 2719
2720 2720 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2721 2721 "scsa2usb_scsi_abort: pkt = %p", (void *)pkt);
2722 2722
2723 2723 /* if device is disconnected (ie. pipes closed), fail immediately */
2724 2724 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2725 2725 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) {
2726 2726 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2727 2727
2728 2728 return (0);
2729 2729 }
2730 2730
2731 2731 /* flush waitQ if target and lun match */
2732 2732 if ((ap->a_target == pkt->pkt_address.a_target) &&
2733 2733 (ap->a_lun == pkt->pkt_address.a_lun)) {
2734 2734 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2735 2735 scsa2usb_flush_waitQ(scsa2usbp, ap->a_lun, CMD_ABORTED);
2736 2736 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2737 2737 }
2738 2738 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2739 2739
2740 2740 return (0);
2741 2741 }
2742 2742
2743 2743
2744 2744 /*
2745 2745 * scsa2usb_scsi_reset:
2746 2746 * device reset may turn the device into a brick and bus reset
2747 2747 * is not applicable.
2748 2748 * just flush the waitQ
2749 2749 * We return success, always.
2750 2750 */
2751 2751 /* ARGSUSED */
2752 2752 static int
2753 2753 scsa2usb_scsi_reset(struct scsi_address *ap, int level)
2754 2754 {
2755 2755 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap);
2756 2756
2757 2757 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2758 2758 "scsa2usb_scsi_reset: ap = 0x%p, level = %d", (void *)ap, level);
2759 2759
2760 2760 /* flush waitQ */
2761 2761 scsa2usb_flush_waitQ(scsa2usbp, ap->a_lun, CMD_RESET);
2762 2762
2763 2763 return (1);
2764 2764 }
2765 2765
2766 2766
2767 2767 /*
2768 2768 * scsa2usb_scsi_getcap:
2769 2769 * Get SCSI capabilities.
2770 2770 */
2771 2771 /* ARGSUSED */
2772 2772 static int
2773 2773 scsa2usb_scsi_getcap(struct scsi_address *ap, char *cap, int whom)
2774 2774 {
2775 2775 int rval = -1;
2776 2776 uint_t cidx;
2777 2777 size_t dev_bsize_cap;
2778 2778 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap);
2779 2779 ASSERT(scsa2usbp);
2780 2780
2781 2781 if (cap == NULL) {
2782 2782 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2783 2783 "scsa2usb_scsi_getcap: invalid arg, "
2784 2784 "cap = 0x%p whom = %d", (void *)cap, whom);
2785 2785
2786 2786 return (rval);
2787 2787 }
2788 2788
2789 2789 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2790 2790 "scsa2usb_scsi_getcap: cap = %s", cap);
2791 2791
2792 2792 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2793 2793
2794 2794 /* if device is disconnected (ie. pipes closed), fail immediately */
2795 2795 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) {
2796 2796
2797 2797 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2798 2798
2799 2799 return (rval);
2800 2800 }
2801 2801
2802 2802 cidx = scsi_hba_lookup_capstr(cap);
2803 2803 switch (cidx) {
2804 2804 case SCSI_CAP_GEOMETRY:
2805 2805 /* Just check and fail immediately if zero, rarely happens */
2806 2806 if (scsa2usbp->scsa2usb_secsz[ap->a_lun] == 0) {
2807 2807 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
2808 2808 scsa2usbp->scsa2usb_log_handle,
2809 2809 "scsa2usb_scsi_getcap failed:"
2810 2810 "scsa2usbp->scsa2usb_secsz[ap->a_lun] == 0");
2811 2811 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2812 2812
2813 2813 return (rval);
2814 2814 }
2815 2815
2816 2816 dev_bsize_cap = scsa2usbp->scsa2usb_totalsec[ap->a_lun];
2817 2817
2818 2818 if (scsa2usbp->scsa2usb_secsz[ap->a_lun] > DEV_BSIZE) {
2819 2819 dev_bsize_cap *=
2820 2820 scsa2usbp->scsa2usb_secsz[ap->a_lun] / DEV_BSIZE;
2821 2821 } else if (scsa2usbp->scsa2usb_secsz[ap->a_lun] <
2822 2822 DEV_BSIZE) {
2823 2823 dev_bsize_cap /=
2824 2824 DEV_BSIZE / scsa2usbp->scsa2usb_secsz[ap->a_lun];
2825 2825 }
2826 2826
2827 2827 if (dev_bsize_cap < 65536 * 2 * 18) { /* < ~1GB */
2828 2828 /* unlabeled floppy, 18k per cylinder */
2829 2829 rval = ((2 << 16) | 18);
2830 2830 } else if (dev_bsize_cap < 65536 * 64 * 32) { /* < 64GB */
2831 2831 /* 1024k per cylinder */
2832 2832 rval = ((64 << 16) | 32);
2833 2833 } else if (dev_bsize_cap < 65536 * 255 * 63) { /* < ~500GB */
2834 2834 /* ~8m per cylinder */
2835 2835 rval = ((255 << 16) | 63);
2836 2836 } else { /* .. 8TB */
2837 2837 /* 64m per cylinder */
2838 2838 rval = ((512 << 16) | 256);
2839 2839 }
2840 2840 break;
2841 2841
2842 2842 case SCSI_CAP_DMA_MAX:
2843 2843 rval = scsa2usbp->scsa2usb_max_bulk_xfer_size;
2844 2844 break;
2845 2845 case SCSI_CAP_SCSI_VERSION:
2846 2846 rval = SCSI_VERSION_2;
2847 2847 break;
2848 2848 case SCSI_CAP_INTERCONNECT_TYPE:
2849 2849 rval = INTERCONNECT_USB;
2850 2850 break;
2851 2851 case SCSI_CAP_ARQ:
2852 2852 /* FALLTHRU */
2853 2853 case SCSI_CAP_UNTAGGED_QING:
2854 2854 rval = 1;
2855 2855 break;
2856 2856 default:
2857 2857 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2858 2858 "scsa2usb_scsi_getcap: unsupported cap = %s", cap);
2859 2859 break;
2860 2860 }
2861 2861
2862 2862 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2863 2863 "scsa2usb_scsi_getcap: cap = %s, returned = %d", cap, rval);
2864 2864
2865 2865 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2866 2866
2867 2867 return (rval);
2868 2868 }
2869 2869
2870 2870
2871 2871 /*
2872 2872 * scsa2usb_scsi_setcap:
2873 2873 * Set SCSI capabilities.
2874 2874 */
2875 2875 /* ARGSUSED */
2876 2876 static int
2877 2877 scsa2usb_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom)
2878 2878 {
2879 2879 int rval = -1; /* default is cap undefined */
2880 2880 uint_t cidx;
2881 2881 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)ADDR2SCSA2USB(ap);
2882 2882 ASSERT(scsa2usbp);
2883 2883
2884 2884 if (cap == NULL || whom == 0) {
2885 2885 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2886 2886 "scsa2usb_scsi_setcap: invalid arg");
2887 2887
2888 2888 return (rval);
2889 2889 }
2890 2890
2891 2891 mutex_enter(&scsa2usbp->scsa2usb_mutex);
2892 2892 /* if device is disconnected (ie. pipes closed), fail immediately */
2893 2893 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) {
2894 2894 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2895 2895
2896 2896 return (rval);
2897 2897 }
2898 2898
2899 2899 cidx = scsi_hba_lookup_capstr(cap);
2900 2900 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2901 2901 "scsa2usb_scsi_setcap: ap = 0x%p value = 0x%x whom = 0x%x "
2902 2902 "cidx = 0x%x", (void *)ap, value, whom, cidx);
2903 2903
2904 2904 switch (cidx) {
2905 2905 case SCSI_CAP_SECTOR_SIZE:
2906 2906 if (value) {
2907 2907 scsa2usbp->scsa2usb_secsz[ap->a_lun] = value;
2908 2908 }
2909 2909 break;
2910 2910 case SCSI_CAP_TOTAL_SECTORS:
2911 2911 if (value) {
2912 2912 scsa2usbp->scsa2usb_totalsec[ap->a_lun] = value;
2913 2913 }
2914 2914 break;
2915 2915 case SCSI_CAP_ARQ:
2916 2916 rval = 1;
2917 2917 break;
2918 2918 case SCSI_CAP_DMA_MAX:
2919 2919 case SCSI_CAP_SCSI_VERSION:
2920 2920 case SCSI_CAP_INTERCONNECT_TYPE:
2921 2921 case SCSI_CAP_UNTAGGED_QING:
2922 2922 /* supported but not settable */
2923 2923 rval = 0;
2924 2924 break;
2925 2925 default:
2926 2926 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2927 2927 "scsa2usb_scsi_setcap: unsupported cap = %s", cap);
2928 2928 break;
2929 2929 }
2930 2930
2931 2931 mutex_exit(&scsa2usbp->scsa2usb_mutex);
2932 2932
2933 2933 return (rval);
2934 2934 }
2935 2935
2936 2936
2937 2937 /*
2938 2938 * scsa2usb - cmd and transport stuff
2939 2939 */
2940 2940 /*
2941 2941 * scsa2usb_prepare_pkt:
2942 2942 * initialize some fields of the pkt and cmd
2943 2943 * (the pkt may have been resubmitted/retried)
2944 2944 */
2945 2945 static void
2946 2946 scsa2usb_prepare_pkt(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt)
2947 2947 {
2948 2948 scsa2usb_cmd_t *cmd = PKT2CMD(pkt);
2949 2949
2950 2950 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2951 2951 "scsa2usb_prepare_pkt: pkt=0x%p cdb: 0x%x (%s)",
2952 2952 (void *)pkt, pkt->pkt_cdbp[0],
2953 2953 scsi_cname(pkt->pkt_cdbp[0], scsa2usb_cmds));
2954 2954
2955 2955 pkt->pkt_reason = CMD_CMPLT; /* Set reason to pkt_complete */
2956 2956 pkt->pkt_state = 0; /* Reset next three fields */
2957 2957 pkt->pkt_statistics = 0;
2958 2958 pkt->pkt_resid = 0;
2959 2959 bzero(pkt->pkt_scbp, cmd->cmd_scblen); /* Set status to good */
2960 2960
2961 2961 if (cmd) {
2962 2962 cmd->cmd_timeout = pkt->pkt_time;
2963 2963 cmd->cmd_xfercount = 0; /* Reset the fields */
2964 2964 cmd->cmd_total_xfercount = 0;
2965 2965 cmd->cmd_lba = 0;
2966 2966 cmd->cmd_done = 0;
2967 2967 cmd->cmd_dir = 0;
2968 2968 cmd->cmd_offset = 0;
2969 2969 cmd->cmd_actual_len = cmd->cmd_cdblen;
2970 2970 }
2971 2971 }
2972 2972
2973 2973
2974 2974 /*
2975 2975 * scsa2usb_force_invalid_request
2976 2976 */
2977 2977 static void
2978 2978 scsa2usb_force_invalid_request(scsa2usb_state_t *scsa2usbp,
2979 2979 scsa2usb_cmd_t *cmd)
2980 2980 {
2981 2981 struct scsi_arq_status *arqp;
2982 2982
2983 2983 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
2984 2984 "scsa2usb_force_invalid_request: pkt = 0x%p", (void *)cmd->cmd_pkt);
2985 2985
2986 2986 if (cmd->cmd_scblen >= sizeof (struct scsi_arq_status)) {
2987 2987 arqp = (struct scsi_arq_status *)cmd->cmd_pkt->pkt_scbp;
2988 2988 bzero(arqp, cmd->cmd_scblen);
2989 2989
2990 2990 arqp->sts_status.sts_chk = 1;
2991 2991 arqp->sts_rqpkt_reason = CMD_CMPLT;
2992 2992 arqp->sts_rqpkt_state = STATE_XFERRED_DATA |
2993 2993 STATE_GOT_BUS | STATE_GOT_STATUS;
2994 2994 arqp->sts_sensedata.es_valid = 1;
2995 2995 arqp->sts_sensedata.es_class = 7;
2996 2996 arqp->sts_sensedata.es_key = KEY_ILLEGAL_REQUEST;
2997 2997
2998 2998 cmd->cmd_pkt->pkt_state = STATE_ARQ_DONE |
2999 2999 STATE_GOT_BUS | STATE_GOT_BUS | STATE_GOT_BUS |
3000 3000 STATE_GOT_STATUS;
3001 3001 #ifdef DEBUG
3002 3002 {
3003 3003 uchar_t *p = (uchar_t *)(&arqp->sts_sensedata);
3004 3004 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
3005 3005 scsa2usbp->scsa2usb_log_handle,
3006 3006 "cdb: %x rqsense: "
3007 3007 "%x %x %x %x %x %x %x %x %x %x "
3008 3008 "%x %x %x %x %x %x %x %x %x %x",
3009 3009 cmd->cmd_pkt->pkt_cdbp[0],
3010 3010 p[0], p[1], p[2], p[3], p[4],
3011 3011 p[5], p[6], p[7], p[8], p[9],
3012 3012 p[10], p[11], p[12], p[13], p[14],
3013 3013 p[15], p[16], p[17], p[18], p[19]);
3014 3014 }
3015 3015 #endif
3016 3016
3017 3017 }
3018 3018 }
3019 3019
3020 3020
3021 3021 /*
3022 3022 * scsa2usb_cmd_transport:
3023 3023 */
3024 3024 static int
3025 3025 scsa2usb_cmd_transport(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd)
3026 3026 {
3027 3027 int rval, transport;
3028 3028 struct scsi_pkt *pkt;
3029 3029
3030 3030 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3031 3031 "scsa2usb_cmd_transport: pkt: 0x%p, cur_pkt = 0x%p",
3032 3032 (void *)cmd->cmd_pkt, (void *)scsa2usbp->scsa2usb_cur_pkt);
3033 3033
3034 3034 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3035 3035 ASSERT(scsa2usbp->scsa2usb_cur_pkt == NULL);
3036 3036
3037 3037 pkt = scsa2usbp->scsa2usb_cur_pkt = cmd->cmd_pkt;
3038 3038
3039 3039 /* check black-listed attrs first */
3040 3040 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) {
3041 3041 transport = scsa2usb_check_bulkonly_blacklist_attrs(scsa2usbp,
3042 3042 cmd, pkt->pkt_cdbp[0]);
3043 3043 } else if (SCSA2USB_IS_CB(scsa2usbp) || SCSA2USB_IS_CBI(scsa2usbp)) {
3044 3044 transport = scsa2usb_check_ufi_blacklist_attrs(scsa2usbp,
3045 3045 pkt->pkt_cdbp[0], cmd);
3046 3046 }
3047 3047
3048 3048 /* just accept the command or return error */
3049 3049 if (transport == SCSA2USB_JUST_ACCEPT) {
3050 3050 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp);
3051 3051
3052 3052 return (TRAN_ACCEPT);
3053 3053 } else if (transport == SCSA2USB_REJECT) {
3054 3054 return (TRAN_FATAL_ERROR);
3055 3055 }
3056 3056
3057 3057 /* check command set next */
3058 3058 if (SCSA2USB_IS_SCSI_CMDSET(scsa2usbp) ||
3059 3059 SCSA2USB_IS_ATAPI_CMDSET(scsa2usbp)) {
3060 3060 transport =
3061 3061 scsa2usb_handle_scsi_cmd_sub_class(scsa2usbp, cmd, pkt);
3062 3062 } else if (SCSA2USB_IS_UFI_CMDSET(scsa2usbp)) {
3063 3063 transport =
3064 3064 scsa2usb_handle_ufi_subclass_cmd(scsa2usbp, cmd, pkt);
3065 3065 } else {
3066 3066 transport = SCSA2USB_REJECT;
3067 3067 }
3068 3068
3069 3069 switch (transport) {
3070 3070 case SCSA2USB_TRANSPORT:
3071 3071 if (SCSA2USB_IS_BULK_ONLY(scsa2usbp)) {
3072 3072 rval = scsa2usb_bulk_only_transport(scsa2usbp, cmd);
3073 3073 } else if (SCSA2USB_IS_CB(scsa2usbp) ||
3074 3074 SCSA2USB_IS_CBI(scsa2usbp)) {
3075 3075 rval = scsa2usb_cbi_transport(scsa2usbp, cmd);
3076 3076 } else {
3077 3077 rval = TRAN_FATAL_ERROR;
3078 3078 }
3079 3079 break;
3080 3080 case SCSA2USB_JUST_ACCEPT:
3081 3081 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp);
3082 3082 rval = TRAN_ACCEPT;
3083 3083 break;
3084 3084 default:
3085 3085 rval = TRAN_FATAL_ERROR;
3086 3086 }
3087 3087
3088 3088 return (rval);
3089 3089 }
3090 3090
3091 3091
3092 3092 /*
3093 3093 * scsa2usb_check_bulkonly_blacklist_attrs:
3094 3094 * validate "scsa2usb_blacklist_attrs" (see scsa2usb.h)
3095 3095 * if blacklisted attrs match accept the request
3096 3096 * attributes checked are:-
3097 3097 * SCSA2USB_ATTRS_START_STOP
3098 3098 */
3099 3099 int
3100 3100 scsa2usb_check_bulkonly_blacklist_attrs(scsa2usb_state_t *scsa2usbp,
3101 3101 scsa2usb_cmd_t *cmd, uchar_t opcode)
3102 3102 {
3103 3103 struct scsi_inquiry *inq =
3104 3104 &scsa2usbp->scsa2usb_lun_inquiry[cmd->cmd_pkt->pkt_address.a_lun];
3105 3105
3106 3106 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3107 3107 "scsa2usb_check_bulkonly_blacklist_attrs: opcode = %s",
3108 3108 scsi_cname(opcode, scsa2usb_cmds));
3109 3109
3110 3110 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3111 3111
3112 3112 /*
3113 3113 * decode and convert the packet
3114 3114 * for most cmds, we can bcopy the cdb
3115 3115 */
3116 3116 switch (opcode) {
3117 3117 case SCMD_DOORLOCK:
3118 3118 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_DOORLOCK)) {
3119 3119
3120 3120 return (SCSA2USB_JUST_ACCEPT);
3121 3121
3122 3122 /*
3123 3123 * only lock the door for CD and DVD drives
3124 3124 */
3125 3125 } else if ((inq->inq_dtype == DTYPE_RODIRECT) ||
3126 3126 (inq->inq_dtype == DTYPE_OPTICAL)) {
3127 3127
3128 3128 if (inq->inq_rmb) {
3129 3129
3130 3130 break;
3131 3131 }
3132 3132 }
3133 3133
3134 3134 return (SCSA2USB_JUST_ACCEPT);
3135 3135
3136 3136 case SCMD_START_STOP: /* SCMD_LOAD for sequential devices */
3137 3137 /*
3138 3138 * these devices don't have mechanics that spin the
3139 3139 * media up and down. So, it doesn't make much sense
3140 3140 * to issue this cmd.
3141 3141 *
3142 3142 * Furthermore, Hagiwara devices do not handle these
3143 3143 * cmds well. just accept this command as success.
3144 3144 */
3145 3145 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_START_STOP)) {
3146 3146
3147 3147 return (SCSA2USB_JUST_ACCEPT);
3148 3148
3149 3149 } else if (inq->inq_dtype == DTYPE_SEQUENTIAL) {
3150 3150 /*
3151 3151 * In case of USB tape device, we need to send the
3152 3152 * command to the device to unload the media.
3153 3153 */
3154 3154 break;
3155 3155
3156 3156 } else if (cmd->cmd_pkt->pkt_cdbp[4] & LOEJECT) {
3157 3157 /*
3158 3158 * if the device is really a removable then
3159 3159 * pass it on to the device, else just accept
3160 3160 */
3161 3161 if (inq->inq_rmb) {
3162 3162
3163 3163 break;
3164 3164 }
3165 3165
3166 3166 return (SCSA2USB_JUST_ACCEPT);
3167 3167
3168 3168 } else if (!scsa2usbp->scsa2usb_rcvd_not_ready) {
3169 3169 /*
3170 3170 * if we have not received a NOT READY condition,
3171 3171 * just accept since some device choke on this too.
3172 3172 * we do have to let EJECT get through though
3173 3173 */
3174 3174 return (SCSA2USB_JUST_ACCEPT);
3175 3175 }
3176 3176
3177 3177 break;
3178 3178 case SCMD_INQUIRY:
3179 3179 /*
3180 3180 * Some devices do not handle the inquiry cmd well
3181 3181 * so build an inquiry and accept this command as
3182 3182 * success.
3183 3183 */
3184 3184 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_INQUIRY)) {
3185 3185 uchar_t evpd = 0x01;
3186 3186 unsigned int bufsize;
3187 3187 int count;
3188 3188
3189 3189 if (cmd->cmd_pkt->pkt_cdbp[1] & evpd)
3190 3190 return (SCSA2USB_REJECT);
3191 3191
3192 3192 scsa2usb_fake_inquiry(scsa2usbp, inq);
3193 3193
3194 3194 /* Copy no more than requested */
3195 3195 count = MIN(cmd->cmd_bp->b_bcount,
3196 3196 sizeof (struct scsi_inquiry));
3197 3197 bufsize = cmd->cmd_pkt->pkt_cdbp[4];
3198 3198 count = MIN(count, bufsize);
3199 3199 bcopy(inq, cmd->cmd_bp->b_un.b_addr, count);
3200 3200
3201 3201 cmd->cmd_pkt->pkt_resid = bufsize - count;
3202 3202 cmd->cmd_pkt->pkt_state |= STATE_XFERRED_DATA;
3203 3203
3204 3204 return (SCSA2USB_JUST_ACCEPT);
3205 3205 } else if (!(scsa2usbp->scsa2usb_attrs &
3206 3206 SCSA2USB_ATTRS_INQUIRY_EVPD)) {
3207 3207 /*
3208 3208 * Some devices do not handle the inquiry cmd with
3209 3209 * evpd bit set well, e.g. some devices return the
3210 3210 * same page 0x83 data which will cause the generated
3211 3211 * devid by sd is not unique, thus return CHECK
3212 3212 * CONDITION directly to sd.
3213 3213 */
3214 3214 uchar_t evpd = 0x01;
3215 3215
3216 3216 if (!(cmd->cmd_pkt->pkt_cdbp[1] & evpd))
3217 3217 break;
3218 3218
3219 3219 if (cmd->cmd_bp) {
3220 3220 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->
3221 3221 b_bcount;
3222 3222 }
3223 3223 scsa2usb_force_invalid_request(scsa2usbp, cmd);
3224 3224
3225 3225 return (SCSA2USB_JUST_ACCEPT);
3226 3226 }
3227 3227 break;
3228 3228 /*
3229 3229 * Fake accepting the following Opcodes
3230 3230 * (as most drives don't support these)
3231 3231 * These are needed by format command.
3232 3232 */
3233 3233 case SCMD_RESERVE:
3234 3234 case SCMD_RELEASE:
3235 3235 case SCMD_PERSISTENT_RESERVE_IN:
3236 3236 case SCMD_PERSISTENT_RESERVE_OUT:
3237 3237
3238 3238 return (SCSA2USB_JUST_ACCEPT);
3239 3239
3240 3240 case SCMD_MODE_SENSE:
3241 3241 case SCMD_MODE_SELECT:
3242 3242 case SCMD_MODE_SENSE_G1:
3243 3243 case SCMD_MODE_SELECT_G1:
3244 3244 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_MODE_SENSE)) {
3245 3245 if (cmd->cmd_bp) {
3246 3246 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->
3247 3247 b_bcount;
3248 3248 }
3249 3249 scsa2usb_force_invalid_request(scsa2usbp, cmd);
3250 3250
3251 3251 return (SCSA2USB_JUST_ACCEPT);
3252 3252 }
3253 3253
3254 3254 break;
3255 3255 default:
3256 3256
3257 3257 break;
3258 3258 }
3259 3259
3260 3260 return (SCSA2USB_TRANSPORT);
3261 3261 }
3262 3262
3263 3263
3264 3264 /*
3265 3265 * scsa2usb_handle_scsi_cmd_sub_class:
3266 3266 * prepare a scsi cmd
3267 3267 * returns SCSA2USB_TRANSPORT, SCSA2USB_REJECT, SCSA2USB_JUST_ACCEPT
3268 3268 */
3269 3269 int
3270 3270 scsa2usb_handle_scsi_cmd_sub_class(scsa2usb_state_t *scsa2usbp,
3271 3271 scsa2usb_cmd_t *cmd, struct scsi_pkt *pkt)
3272 3272 {
3273 3273 uchar_t evpd = 0x01;
3274 3274 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3275 3275 "scsa2usb_handle_scsi_cmd_sub_class: cmd = 0x%p pkt = 0x%p",
3276 3276 (void *)cmd, (void *)pkt);
3277 3277
3278 3278 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3279 3279
3280 3280 bzero(&cmd->cmd_cdb, SCSI_CDB_SIZE);
3281 3281 cmd->cmd_cdb[SCSA2USB_OPCODE] = pkt->pkt_cdbp[0]; /* Set the opcode */
3282 3282 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1];
3283 3283
3284 3284 /*
3285 3285 * decode and convert the packet
3286 3286 * for most cmds, we can bcopy the cdb
3287 3287 */
3288 3288 switch (pkt->pkt_cdbp[0]) {
3289 3289 case SCMD_FORMAT:
3290 3290 /*
3291 3291 * SCMD_FORMAT used to limit cmd->cmd_xfercount
3292 3292 * to 4 bytes, but this hangs
3293 3293 * formatting dvd media using cdrecord (that is,
3294 3294 * a SCSI FORMAT UNIT command with a parameter list > 4 bytes)
3295 3295 * (bit 4 in cdb1 is the Fmtdata bit)
3296 3296 */
3297 3297 if ((pkt->pkt_cdbp[1] & 0x10) && cmd->cmd_bp) {
3298 3298 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount;
3299 3299 } else {
3300 3300 cmd->cmd_xfercount = 4;
3301 3301 }
3302 3302 cmd->cmd_dir = CBW_DIR_OUT;
3303 3303 cmd->cmd_actual_len = CDB_GROUP0;
3304 3304 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3305 3305 break;
3306 3306
3307 3307 case SCMD_INQUIRY:
3308 3308 cmd->cmd_dir = CBW_DIR_IN;
3309 3309 cmd->cmd_actual_len = CDB_GROUP0;
3310 3310 cmd->cmd_cdb[SCSA2USB_LBA_0] = pkt->pkt_cdbp[2];
3311 3311
3312 3312 /*
3313 3313 * If vpd pages data is limited to maximum SCSA2USB_MAX_INQ_LEN,
3314 3314 * the page data may be truncated, which may cause some issues
3315 3315 * such as making the unique page 0x83 or 0x80 data from
3316 3316 * different devices become the same. So don't limit return
3317 3317 * length for vpd page inquiry cmd.
3318 3318 * Another, in order to maintain compatibility, the original
3319 3319 * length limitation for standard inquiry retains here. It
3320 3320 * can be removed in future if it is verified that enough
3321 3321 * devices can work well.
3322 3322 */
3323 3323 if (pkt->pkt_cdbp[1] & evpd) {
3324 3324 cmd->cmd_cdb[SCSA2USB_LBA_2] = cmd->cmd_xfercount =
3325 3325 (cmd->cmd_bp ? cmd->cmd_bp->b_bcount : 0);
3326 3326 } else {
3327 3327 cmd->cmd_cdb[SCSA2USB_LBA_2] = cmd->cmd_xfercount =
3328 3328 min(SCSA2USB_MAX_INQ_LEN,
3329 3329 cmd->cmd_bp ? cmd->cmd_bp->b_bcount : 0);
3330 3330 }
3331 3331 break;
3332 3332
3333 3333 case SCMD_READ_CAPACITY:
3334 3334 cmd->cmd_dir = CBW_DIR_IN;
3335 3335 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3336 3336 cmd->cmd_xfercount = sizeof (scsa2usb_read_cap_t);
3337 3337 break;
3338 3338
3339 3339 /*
3340 3340 * SCMD_READ/SCMD_WRITE are converted to G1 cmds
3341 3341 * (as ATAPI devices don't recognize G0 commands)
3342 3342 *
3343 3343 * SCMD_READ_LONG/SCMD_WRITE_LONG are handled in
3344 3344 * scsa2usb_rw_transport() along with other commands.
3345 3345 *
3346 3346 * USB Host Controllers cannot handle large (read/write)
3347 3347 * xfers. We split the large request to chunks of
3348 3348 * smaller ones to meet the HCD limitations.
3349 3349 */
3350 3350 case SCMD_READ:
3351 3351 case SCMD_WRITE:
3352 3352 case SCMD_READ_G1:
3353 3353 case SCMD_WRITE_G1:
3354 3354 case SCMD_READ_G5:
3355 3355 case SCMD_WRITE_G5:
3356 3356 case SCMD_READ_LONG:
3357 3357 case SCMD_WRITE_LONG:
3358 3358 case SCMD_READ_CD:
3359 3359 switch (scsa2usbp->
3360 3360 scsa2usb_lun_inquiry[pkt->pkt_address.a_lun].
3361 3361 inq_dtype & DTYPE_MASK) {
3362 3362 case DTYPE_DIRECT:
3363 3363 case DTYPE_RODIRECT:
3364 3364 case DTYPE_OPTICAL:
3365 3365 return (scsa2usb_rw_transport(
3366 3366 scsa2usbp, pkt));
3367 3367 default:
3368 3368 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3369 3369 if (cmd->cmd_bp) {
3370 3370 cmd->cmd_dir =
3371 3371 (cmd->cmd_bp->b_flags & B_READ) ?
3372 3372 CBW_DIR_IN : CBW_DIR_OUT;
3373 3373 cmd->cmd_xfercount =
3374 3374 cmd->cmd_bp->b_bcount;
3375 3375 }
3376 3376 break;
3377 3377 }
3378 3378 break;
3379 3379
3380 3380 case SCMD_REQUEST_SENSE:
3381 3381 cmd->cmd_dir = CBW_DIR_IN;
3382 3382 cmd->cmd_xfercount = pkt->pkt_cdbp[4];
3383 3383 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4];
3384 3384 cmd->cmd_actual_len = CDB_GROUP0;
3385 3385 break;
3386 3386
3387 3387 case SCMD_DOORLOCK:
3388 3388 case SCMD_START_STOP:
3389 3389 case SCMD_TEST_UNIT_READY:
3390 3390 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3391 3391 break;
3392 3392
3393 3393 /*
3394 3394 * Needed by zip protocol to reset the device
3395 3395 */
3396 3396 case SCMD_SDIAG:
3397 3397 case SCMD_REZERO_UNIT:
3398 3398 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3399 3399 cmd->cmd_actual_len = CDB_GROUP1;
3400 3400 break;
3401 3401
3402 3402 case SCMD_WRITE_VERIFY:
3403 3403 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3404 3404 cmd->cmd_dir = CBW_DIR_OUT;
3405 3405 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8];
3406 3406 cmd->cmd_actual_len = CDB_GROUP1;
3407 3407 break;
3408 3408
3409 3409 /*
3410 3410 * Next command does not have a SCSI equivalent as
3411 3411 * it is vendor specific.
3412 3412 * It was listed in the vendor's ATAPI Zip specs.
3413 3413 */
3414 3414 case SCMD_READ_FORMAT_CAP:
3415 3415 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3416 3416 cmd->cmd_dir = CBW_DIR_IN;
3417 3417 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8];
3418 3418 cmd->cmd_actual_len = CDB_GROUP1;
3419 3419 break;
3420 3420 case IOMEGA_CMD_CARTRIDGE_PROTECT:
3421 3421 cmd->cmd_dir = CBW_DIR_OUT;
3422 3422 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4];
3423 3423 cmd->cmd_cdb[SCSA2USB_LBA_2] &= ~1; /* Make it even */
3424 3424 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1];
3425 3425 cmd->cmd_actual_len = CDB_GROUP0;
3426 3426 cmd->cmd_xfercount = pkt->pkt_cdbp[4]; /* Length of password */
3427 3427 break;
3428 3428
3429 3429 /*
3430 3430 * Do not convert SCMD_MODE_SENSE/SELECT to G1 cmds because
3431 3431 * the mode header is different as well. USB devices don't
3432 3432 * support 0x03 & 0x04 mode pages, which are already obsoleted
3433 3433 * by SPC-2 specification.
3434 3434 */
3435 3435 case SCMD_MODE_SENSE:
3436 3436 case SCMD_MODE_SELECT:
3437 3437 if (((pkt->pkt_cdbp[2] & SD_MODE_SENSE_PAGE_MASK)
3438 3438 == SD_MODE_SENSE_PAGE3_CODE) ||
3439 3439 ((pkt->pkt_cdbp[2] & SD_MODE_SENSE_PAGE_MASK)
3440 3440 == SD_MODE_SENSE_PAGE4_CODE)) {
3441 3441 if (cmd->cmd_bp) {
3442 3442 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->b_bcount;
3443 3443 }
3444 3444 scsa2usb_force_invalid_request(scsa2usbp, cmd);
3445 3445 return (SCSA2USB_JUST_ACCEPT);
3446 3446 }
3447 3447 /* FALLTHROUGH */
3448 3448
3449 3449 default:
3450 3450 /*
3451 3451 * an unknown command may be a uscsi cmd which we
3452 3452 * should let go thru without mapping
3453 3453 */
3454 3454 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3455 3455 if (cmd->cmd_bp) {
3456 3456 cmd->cmd_dir = (cmd->cmd_bp->b_flags & B_READ) ?
3457 3457 CBW_DIR_IN : CBW_DIR_OUT;
3458 3458 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount;
3459 3459 }
3460 3460
3461 3461 break;
3462 3462 } /* end of switch */
3463 3463
3464 3464 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3465 3465 "scsa2usb_handle_scsi_cmd_sub_class: opcode = 0x%x count = 0x%lx",
3466 3466 pkt->pkt_cdbp[SCSA2USB_OPCODE], cmd->cmd_xfercount);
3467 3467
3468 3468 cmd->cmd_total_xfercount = cmd->cmd_xfercount;
3469 3469
3470 3470 return (SCSA2USB_TRANSPORT);
3471 3471 }
3472 3472
3473 3473
3474 3474 /*
3475 3475 * scsa2usb_do_tur is performed before READ CAPACITY command is issued.
3476 3476 * It returns media status, 0 for media ready, -1 for media not ready
3477 3477 * or other errors.
3478 3478 */
3479 3479 static int
3480 3480 scsa2usb_do_tur(scsa2usb_state_t *scsa2usbp, struct scsi_address *ap)
3481 3481 {
3482 3482 struct scsi_pkt *pkt;
3483 3483 scsa2usb_cmd_t *turcmd;
3484 3484 int rval = -1;
3485 3485
3486 3486 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3487 3487 "scsa2usb_do_tur:");
3488 3488
3489 3489 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3490 3490
3491 3491 mutex_exit(&scsa2usbp->scsa2usb_mutex);
3492 3492 if ((pkt = scsi_init_pkt(ap, NULL, NULL, CDB_GROUP0, 1,
3493 3493 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL)) == NULL) {
3494 3494 mutex_enter(&scsa2usbp->scsa2usb_mutex);
3495 3495 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
3496 3496 scsa2usbp->scsa2usb_log_handle,
3497 3497 "scsa2usb_do_tur: init pkt failed");
3498 3498
3499 3499 return (rval);
3500 3500 }
3501 3501
3502 3502 RQ_MAKECOM_G0(pkt, FLAG_HEAD | FLAG_NODISCON,
3503 3503 (char)SCMD_TEST_UNIT_READY, 0, 0);
3504 3504
3505 3505 pkt->pkt_comp = NULL;
3506 3506 pkt->pkt_time = PKT_DEFAULT_TIMEOUT;
3507 3507 turcmd = PKT2CMD(pkt);
3508 3508
3509 3509 mutex_enter(&scsa2usbp->scsa2usb_mutex);
3510 3510 scsa2usb_prepare_pkt(scsa2usbp, turcmd->cmd_pkt);
3511 3511
3512 3512 if (scsa2usb_cmd_transport(scsa2usbp, turcmd) != TRAN_ACCEPT) {
3513 3513 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
3514 3514 scsa2usbp->scsa2usb_log_handle,
3515 3515 "scsa2usb_do_tur: cmd transport failed, "
3516 3516 "pkt_reason=0x%x", turcmd->cmd_pkt->pkt_reason);
3517 3517 } else if (*(turcmd->cmd_pkt->pkt_scbp) != STATUS_GOOD) {
3518 3518 /*
3519 3519 * Theoretically, the sense data should be retrieved and
3520 3520 * sense key be checked when check condition happens. If
3521 3521 * the sense key is UNIT ATTENTION, TEST UNIT READY cmd
3522 3522 * needs to be sent again to clear the UNIT ATTENTION and
3523 3523 * another TUR to be sent to get the real media status.
3524 3524 * But the AMI virtual floppy device simply cannot recover
3525 3525 * from UNIT ATTENTION by re-sending a TUR cmd, so it
3526 3526 * doesn't make any difference whether to check sense key
3527 3527 * or not. Just ignore sense key checking here and assume
3528 3528 * the device is NOT READY.
3529 3529 */
3530 3530 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
3531 3531 scsa2usbp->scsa2usb_log_handle,
3532 3532 "scsa2usb_do_tur: media not ready");
3533 3533 } else {
3534 3534 rval = 0;
3535 3535 }
3536 3536
3537 3537 mutex_exit(&scsa2usbp->scsa2usb_mutex);
3538 3538 scsi_destroy_pkt(pkt);
3539 3539 mutex_enter(&scsa2usbp->scsa2usb_mutex);
3540 3540
3541 3541 return (rval);
3542 3542 }
3543 3543
3544 3544
3545 3545 /*
3546 3546 * scsa2usb_check_ufi_blacklist_attrs:
3547 3547 * validate "scsa2usb_blacklist_attrs" (see scsa2usb.h)
3548 3548 * if blacklisted attrs match accept the request
3549 3549 * attributes checked are:-
3550 3550 * SCSA2USB_ATTRS_GET_CONF
3551 3551 * SCSA2USB_ATTRS_GET_PERF
3552 3552 * SCSA2USB_ATTRS_GET_START_STOP
3553 3553 */
3554 3554 static int
3555 3555 scsa2usb_check_ufi_blacklist_attrs(scsa2usb_state_t *scsa2usbp, uchar_t opcode,
3556 3556 scsa2usb_cmd_t *cmd)
3557 3557 {
3558 3558 int rval = SCSA2USB_TRANSPORT;
3559 3559
3560 3560 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3561 3561
3562 3562 switch (opcode) {
3563 3563 case SCMD_PRIN:
3564 3564 case SCMD_PROUT:
3565 3565 rval = SCSA2USB_JUST_ACCEPT;
3566 3566 break;
3567 3567 case SCMD_MODE_SENSE:
3568 3568 case SCMD_MODE_SELECT:
3569 3569 if (cmd->cmd_bp) {
3570 3570 cmd->cmd_pkt->pkt_resid = cmd->cmd_bp->b_bcount;
3571 3571 }
3572 3572 scsa2usb_force_invalid_request(scsa2usbp, cmd);
3573 3573 rval = SCSA2USB_JUST_ACCEPT;
3574 3574 break;
3575 3575 case SCMD_GET_CONFIGURATION:
3576 3576 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_CONF)) {
3577 3577 rval = SCSA2USB_JUST_ACCEPT;
3578 3578 }
3579 3579 break;
3580 3580 case SCMD_GET_PERFORMANCE:
3581 3581 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_GET_PERF)) {
3582 3582 rval = SCSA2USB_JUST_ACCEPT;
3583 3583 }
3584 3584 break;
3585 3585 case SCMD_START_STOP:
3586 3586 /*
3587 3587 * some CB/CBI devices don't have mechanics that spin the
3588 3588 * media up and down. So, it doesn't make much sense
3589 3589 * to issue this cmd to those devices.
3590 3590 */
3591 3591 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_START_STOP)) {
3592 3592 rval = SCSA2USB_JUST_ACCEPT;
3593 3593 }
3594 3594 break;
3595 3595 case SCMD_READ_CAPACITY:
3596 3596 /*
3597 3597 * Some devices don't support READ CAPACITY command
3598 3598 * when media is not ready. Need to check media status
3599 3599 * before issuing the cmd to such device.
3600 3600 */
3601 3601 if (!(scsa2usbp->scsa2usb_attrs &
3602 3602 SCSA2USB_ATTRS_NO_MEDIA_CHECK)) {
3603 3603 struct scsi_pkt *pkt = cmd->cmd_pkt;
3604 3604
3605 3605 ASSERT(scsa2usbp->scsa2usb_cur_pkt == pkt);
3606 3606 scsa2usbp->scsa2usb_cur_pkt = NULL;
3607 3607
3608 3608 if (scsa2usb_do_tur(scsa2usbp,
3609 3609 &pkt->pkt_address) != 0) {
3610 3610 /* media not ready, force cmd invalid */
3611 3611 if (cmd->cmd_bp) {
3612 3612 cmd->cmd_pkt->pkt_resid =
3613 3613 cmd->cmd_bp->b_bcount;
3614 3614 }
3615 3615 scsa2usb_force_invalid_request(scsa2usbp, cmd);
3616 3616 rval = SCSA2USB_JUST_ACCEPT;
3617 3617 }
3618 3618
3619 3619 scsa2usbp->scsa2usb_cur_pkt = pkt;
3620 3620 }
3621 3621 break;
3622 3622 default:
3623 3623 break;
3624 3624 }
3625 3625
3626 3626 return (rval);
3627 3627 }
3628 3628
3629 3629
3630 3630 /*
3631 3631 * scsa2usb_handle_ufi_subclass_cmd:
3632 3632 * prepare a UFI cmd
3633 3633 * returns SCSA2USB_TRANSPORT, SCSA2USB_REJECT
3634 3634 */
3635 3635 int
3636 3636 scsa2usb_handle_ufi_subclass_cmd(scsa2usb_state_t *scsa2usbp,
3637 3637 scsa2usb_cmd_t *cmd, struct scsi_pkt *pkt)
3638 3638 {
3639 3639 uchar_t opcode = pkt->pkt_cdbp[0];
3640 3640
3641 3641 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3642 3642 "scsa2usb_handle_ufi_subclass_cmd: cmd = 0x%p pkt = 0x%p",
3643 3643 (void *)cmd, (void *)pkt);
3644 3644
3645 3645 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3646 3646
3647 3647 bzero(&cmd->cmd_cdb, SCSI_CDB_SIZE);
3648 3648 cmd->cmd_cdb[SCSA2USB_OPCODE] = opcode; /* Set the opcode */
3649 3649 cmd->cmd_cdb[SCSA2USB_LUN] = pkt->pkt_cdbp[1];
3650 3650
3651 3651 /*
3652 3652 * decode and convert the packet if necessary
3653 3653 * for most cmds, we can bcopy the cdb
3654 3654 */
3655 3655 switch (opcode) {
3656 3656 case SCMD_FORMAT:
3657 3657 /* if parameter list is specified */
3658 3658 if (pkt->pkt_cdbp[1] & 0x10) {
3659 3659 cmd->cmd_xfercount =
3660 3660 (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8];
3661 3661 cmd->cmd_dir = USB_EP_DIR_OUT;
3662 3662 cmd->cmd_actual_len = CDB_GROUP5;
3663 3663 }
3664 3664 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3665 3665 break;
3666 3666 case SCMD_INQUIRY:
3667 3667 cmd->cmd_dir = USB_EP_DIR_IN;
3668 3668 cmd->cmd_actual_len = CDB_GROUP0;
3669 3669 cmd->cmd_cdb[SCSA2USB_LBA_0] = pkt->pkt_cdbp[2];
3670 3670 cmd->cmd_cdb[SCSA2USB_LBA_2] = cmd->cmd_xfercount =
3671 3671 min(SCSA2USB_MAX_INQ_LEN,
3672 3672 cmd->cmd_bp ? cmd->cmd_bp->b_bcount : 0);
3673 3673 break;
3674 3674 case SCMD_READ_CAPACITY:
3675 3675 cmd->cmd_dir = USB_EP_DIR_IN;
3676 3676 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3677 3677 cmd->cmd_xfercount = sizeof (scsa2usb_read_cap_t);
3678 3678 break;
3679 3679 case SCMD_REQUEST_SENSE:
3680 3680 cmd->cmd_dir = USB_EP_DIR_IN;
3681 3681 cmd->cmd_xfercount = pkt->pkt_cdbp[4];
3682 3682 cmd->cmd_cdb[SCSA2USB_LBA_2] = pkt->pkt_cdbp[4];
3683 3683 cmd->cmd_actual_len = CDB_GROUP0;
3684 3684 break;
3685 3685
3686 3686 /*
3687 3687 * do not convert SCMD_MODE_SENSE/SELECT because the
3688 3688 * mode header is different as well
3689 3689 */
3690 3690
3691 3691 /*
3692 3692 * see usb_bulkonly.c for comments on the next set of commands
3693 3693 */
3694 3694 case SCMD_READ:
3695 3695 case SCMD_WRITE:
3696 3696 case SCMD_READ_G1:
3697 3697 case SCMD_WRITE_G1:
3698 3698 case SCMD_READ_G5:
3699 3699 case SCMD_WRITE_G5:
3700 3700 case SCMD_READ_LONG:
3701 3701 case SCMD_WRITE_LONG:
3702 3702 case SCMD_READ_CD:
3703 3703
3704 3704 return (scsa2usb_rw_transport(scsa2usbp, pkt));
3705 3705
3706 3706 case SCMD_TEST_UNIT_READY:
3707 3707 /*
3708 3708 * Some CB/CBI devices may not support TUR.
3709 3709 */
3710 3710 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3711 3711 break;
3712 3712 case SCMD_READ_FORMAT_CAP:
3713 3713 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3714 3714 cmd->cmd_dir = USB_EP_DIR_IN;
3715 3715 cmd->cmd_actual_len = CDB_GROUP1;
3716 3716 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8];
3717 3717 break;
3718 3718 case SCMD_WRITE_VERIFY:
3719 3719 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3720 3720 cmd->cmd_dir = USB_EP_DIR_OUT;
3721 3721 cmd->cmd_actual_len = CDB_GROUP1;
3722 3722 cmd->cmd_xfercount = (pkt->pkt_cdbp[7] << 8) | pkt->pkt_cdbp[8];
3723 3723 break;
3724 3724 case SCMD_START_STOP:
3725 3725 /* A larger timeout is needed for 'flaky' CD-RW devices */
3726 3726 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_BIG_TIMEOUT)) {
3727 3727 cmd->cmd_timeout = max(cmd->cmd_timeout,
3728 3728 20 * SCSA2USB_BULK_PIPE_TIMEOUT);
3729 3729 }
3730 3730 /* FALLTHRU */
3731 3731 default:
3732 3732 /*
3733 3733 * all other commands don't need special mapping
3734 3734 */
3735 3735 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3736 3736 if (cmd->cmd_bp) {
3737 3737 cmd->cmd_dir = (cmd->cmd_bp->b_flags & B_READ) ?
3738 3738 CBW_DIR_IN : CBW_DIR_OUT;
3739 3739 cmd->cmd_xfercount = cmd->cmd_bp->b_bcount;
3740 3740 }
3741 3741 break;
3742 3742
3743 3743 } /* end of switch */
3744 3744
3745 3745 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3746 3746 "scsa2usb_handle_ufi_subclass_cmd: opcode = 0x%x count = 0x%lx",
3747 3747 opcode, cmd->cmd_xfercount);
3748 3748
3749 3749 cmd->cmd_total_xfercount = cmd->cmd_xfercount;
3750 3750
3751 3751 return (SCSA2USB_TRANSPORT);
3752 3752 }
3753 3753
3754 3754
3755 3755 /*
3756 3756 * scsa2usb_rw_transport:
3757 3757 * Handle splitting READ and WRITE requests to the
3758 3758 * device to a size that the host controller allows.
3759 3759 *
3760 3760 * returns TRAN_* values and not USB_SUCCESS/FAILURE
3761 3761 *
3762 3762 * To support CD-R/CD-RW/DVD media, we need to support a
3763 3763 * variety of block sizes for the different types of CD
3764 3764 * data (audio, data, video, CD-XA, yellowbook, redbook etc.)
3765 3765 *
3766 3766 * Some of the block sizes used are:- 512, 1k, 2k, 2056, 2336
3767 3767 * 2340, 2352, 2368, 2448, 2646, 2647 etc.
3768 3768 *
3769 3769 * NOTE: the driver could be entertaining a SCSI CDB that uses
3770 3770 * any of the above listed block sizes at a given time, and a
3771 3771 * totally different block size at any other given time for a
3772 3772 * different CDB.
3773 3773 *
3774 3774 * We need to compute block size every time and figure out
3775 3775 * matching LBA and LEN accordingly.
3776 3776 *
3777 3777 * Also UHCI has a limitation that it can only xfer 32k at a
3778 3778 * given time. So, with "odd" sized blocks and a limitation of
3779 3779 * how much we can xfer per shot, we need to compute xfer_count
3780 3780 * as well each time.
3781 3781 *
3782 3782 * The same computation is also done in the function
3783 3783 * scsa2usb_setup_next_xfer(). To save computing block_size in
3784 3784 * this function, I am saving block_size in "cmd" now.
3785 3785 */
3786 3786 int
3787 3787 scsa2usb_rw_transport(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt)
3788 3788 {
3789 3789 scsa2usb_cmd_t *cmd = PKT2CMD(pkt);
3790 3790 int lba, dir, opcode;
3791 3791 struct buf *bp = cmd->cmd_bp;
3792 3792 size_t len, xfer_count;
3793 3793 size_t blk_size; /* calculate the block size to be used */
3794 3794 int sz;
3795 3795
3796 3796 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3797 3797 "scsa2usb_rw_transport:");
3798 3798
3799 3799 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3800 3800
3801 3801 opcode = pkt->pkt_cdbp[0];
3802 3802 blk_size = scsa2usbp->scsa2usb_lbasize[pkt->pkt_address.a_lun];
3803 3803 /* set to default */
3804 3804
3805 3805 switch (opcode) {
3806 3806 case SCMD_READ:
3807 3807 /*
3808 3808 * Note that READ/WRITE(6) are not supported by the drive.
3809 3809 * convert it into a 10 byte read/write.
3810 3810 */
3811 3811 lba = SCSA2USB_LBA_6BYTE(pkt);
3812 3812 len = SCSA2USB_LEN_6BYTE(pkt);
3813 3813 opcode = SCMD_READ_G1; /* Overwrite it w/ byte 10 cmd val */
3814 3814 dir = USB_EP_DIR_IN;
3815 3815 break;
3816 3816 case SCMD_WRITE:
3817 3817 lba = SCSA2USB_LBA_6BYTE(pkt);
3818 3818 len = SCSA2USB_LEN_6BYTE(pkt);
3819 3819 opcode = SCMD_WRITE_G1; /* Overwrite it w/ byte 10 cmd val */
3820 3820 dir = USB_EP_DIR_OUT;
3821 3821 break;
3822 3822 case SCMD_READ_G1:
3823 3823 case SCMD_READ_LONG:
3824 3824 lba = SCSA2USB_LBA_10BYTE(pkt);
3825 3825 len = SCSA2USB_LEN_10BYTE(pkt);
3826 3826 dir = USB_EP_DIR_IN;
3827 3827 break;
3828 3828 case SCMD_WRITE_G1:
3829 3829 case SCMD_WRITE_LONG:
3830 3830 lba = SCSA2USB_LBA_10BYTE(pkt);
3831 3831 len = SCSA2USB_LEN_10BYTE(pkt);
3832 3832 dir = USB_EP_DIR_OUT;
3833 3833 if (len) {
3834 3834 sz = SCSA2USB_CDRW_BLKSZ(bp ? bp->b_bcount : 0, len);
3835 3835 if (SCSA2USB_VALID_CDRW_BLKSZ(sz)) {
3836 3836 blk_size = sz; /* change it accordingly */
3837 3837 }
3838 3838 }
3839 3839 break;
3840 3840 case SCMD_READ_CD:
3841 3841 lba = SCSA2USB_LBA_10BYTE(pkt);
3842 3842 len = SCSA2USB_LEN_READ_CD(pkt);
3843 3843 dir = USB_EP_DIR_IN;
3844 3844
3845 3845 /* Figure out the block size */
3846 3846 blk_size = scsa2usb_read_cd_blk_size(pkt->pkt_cdbp[1] >> 2);
3847 3847 break;
3848 3848 case SCMD_READ_G5:
3849 3849 lba = SCSA2USB_LBA_12BYTE(pkt);
3850 3850 len = SCSA2USB_LEN_12BYTE(pkt);
3851 3851 dir = USB_EP_DIR_IN;
3852 3852 break;
3853 3853 case SCMD_WRITE_G5:
3854 3854 lba = SCSA2USB_LBA_12BYTE(pkt);
3855 3855 len = SCSA2USB_LEN_12BYTE(pkt);
3856 3856 dir = USB_EP_DIR_OUT;
3857 3857 break;
3858 3858 }
3859 3859
3860 3860 cmd->cmd_total_xfercount = xfer_count = len * blk_size;
3861 3861
3862 3862 /* reduce xfer count if necessary */
3863 3863 if (blk_size &&
3864 3864 (xfer_count > scsa2usbp->scsa2usb_max_bulk_xfer_size)) {
3865 3865 /*
3866 3866 * For CD-RW devices reduce the xfer count based
3867 3867 * on the block size used by these devices. The
3868 3868 * block size could change for READ_CD and WRITE
3869 3869 * opcodes.
3870 3870 *
3871 3871 * Also as UHCI allows a max xfer of 32k at a time;
3872 3872 * compute the xfer_count based on the new block_size.
3873 3873 *
3874 3874 * The len part of the cdb changes as a result of that.
3875 3875 */
3876 3876 if (SCSA2USB_VALID_CDRW_BLKSZ(blk_size)) {
3877 3877 xfer_count = ((scsa2usbp->scsa2usb_max_bulk_xfer_size/
3878 3878 blk_size) * blk_size);
3879 3879 len = xfer_count/blk_size;
3880 3880 xfer_count = blk_size * len;
3881 3881 } else {
3882 3882 xfer_count = scsa2usbp->scsa2usb_max_bulk_xfer_size;
3883 3883 len = xfer_count/blk_size;
3884 3884 }
3885 3885 }
3886 3886
3887 3887 cmd->cmd_xfercount = xfer_count;
3888 3888 cmd->cmd_dir = (uchar_t)dir;
3889 3889 cmd->cmd_blksize = (int)blk_size;
3890 3890
3891 3891 /*
3892 3892 * Having figure out the 'partial' xfer len based on he
3893 3893 * block size; fill it in to the cmd->cmd_cdb
3894 3894 */
3895 3895 cmd->cmd_cdb[SCSA2USB_OPCODE] = (uchar_t)opcode;
3896 3896 switch (opcode) {
3897 3897 case SCMD_READ_CD:
3898 3898 bcopy(pkt->pkt_cdbp, &cmd->cmd_cdb, cmd->cmd_cdblen);
3899 3899 scsa2usb_fill_up_ReadCD_cdb_len(cmd, len, CDB_GROUP5);
3900 3900 break;
3901 3901 case SCMD_WRITE_G5:
3902 3902 case SCMD_READ_G5:
3903 3903 scsa2usb_fill_up_12byte_cdb_len(cmd, len, CDB_GROUP5);
3904 3904 break;
3905 3905 default:
3906 3906 scsa2usb_fill_up_cdb_len(cmd, len);
3907 3907 cmd->cmd_actual_len = CDB_GROUP1;
3908 3908 break;
3909 3909 }
3910 3910
3911 3911 scsa2usb_fill_up_cdb_lba(cmd, lba);
3912 3912
3913 3913 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3914 3914 "bcount=0x%lx lba=0x%x len=0x%lx xfercount=0x%lx total=0x%lx",
3915 3915 bp ? bp->b_bcount : 0, lba, len, cmd->cmd_xfercount,
3916 3916 cmd->cmd_total_xfercount);
3917 3917
3918 3918 /* Set the timeout value as per command request */
3919 3919 if ((opcode == SCMD_WRITE_G1) && SCSA2USB_VALID_CDRW_BLKSZ(blk_size)) {
3920 3920 /*
3921 3921 * We increase the time as CD-RW writes have two things
3922 3922 * to do. After writing out the data to the media, a
3923 3923 * TOC needs to be filled up at the beginning of the media
3924 3924 * This is when the write gets "finalized".
3925 3925 * Hence the actual write could take longer than the
3926 3926 * value specified in cmd->cmd_timeout.
3927 3927 */
3928 3928 cmd->cmd_timeout *= 4;
3929 3929
3930 3930 USB_DPRINTF_L4(DPRINT_MASK_SCSA,
3931 3931 scsa2usbp->scsa2usb_log_handle,
3932 3932 "new timeout value = 0x%x", cmd->cmd_timeout);
3933 3933 }
3934 3934
3935 3935 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3936 3936 "lba 0x%x len 0x%lx xfercount 0x%lx total 0x%lx",
3937 3937 lba, len, cmd->cmd_xfercount, cmd->cmd_total_xfercount);
3938 3938
3939 3939 return (SCSA2USB_TRANSPORT);
3940 3940 }
3941 3941
3942 3942
3943 3943 /*
3944 3944 * scsa2usb_setup_next_xfer:
3945 3945 * For READs and WRITEs we split up the transfer in terms of
3946 3946 * HCD understood units. This function handles the split transfers.
3947 3947 *
3948 3948 * See comments in the previous function scsa2usb_rw_transport
3949 3949 *
3950 3950 * The lba computation was being done based on scsa2usb_max_bulk_xfer_size
3951 3951 * earlier. With CD-RW devices, the xfer_count and the block_size may
3952 3952 * no longer be a multiple of scsa2usb_max_bulk_xfer_size. So compute
3953 3953 * xfer_count all over again. Adjust lba, based on the previous requests'
3954 3954 * len. Find out the len and add it to cmd->cmd_lba to get the new lba
3955 3955 */
3956 3956 void
3957 3957 scsa2usb_setup_next_xfer(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd)
3958 3958 {
3959 3959 int xfer_len = min(scsa2usbp->scsa2usb_max_bulk_xfer_size,
3960 3960 cmd->cmd_total_xfercount);
3961 3961 int cdb_len;
3962 3962 size_t blk_size;
3963 3963
3964 3964 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
3965 3965
3966 3966 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
3967 3967 "scsa2usb_setup_next_xfer: opcode = 0x%x lba = 0x%x "
3968 3968 "total count = 0x%lx", cmd->cmd_cdb[SCSA2USB_OPCODE],
3969 3969 cmd->cmd_lba, cmd->cmd_total_xfercount);
3970 3970
3971 3971 ASSERT(cmd->cmd_total_xfercount > 0);
3972 3972 cmd->cmd_xfercount = xfer_len;
3973 3973 blk_size = scsa2usbp->scsa2usb_lbasize[
3974 3974 cmd->cmd_pkt->pkt_address.a_lun];
3975 3975
3976 3976 /*
3977 3977 * For CD-RW devices reduce the xfer count based on the
3978 3978 * block_size used by these devices. See changes below
3979 3979 * where xfer_count is being adjusted.
3980 3980 *
3981 3981 * Also adjust len/lba based on the block_size and xfer_count.
3982 3982 * NOTE: Always calculate lba first, as it based on previous
3983 3983 * commands' values.
3984 3984 */
3985 3985 switch (cmd->cmd_cdb[SCSA2USB_OPCODE]) {
3986 3986 case SCMD_READ_CD:
3987 3987 /* calculate lba = current_lba + len_of_prev_cmd */
3988 3988 cmd->cmd_lba += (cmd->cmd_cdb[6] << 16) +
3989 3989 (cmd->cmd_cdb[7] << 8) + cmd->cmd_cdb[8];
3990 3990 cdb_len = xfer_len/cmd->cmd_blksize;
3991 3991 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_2] = (uchar_t)cdb_len;
3992 3992 /* re-adjust xfer count */
3993 3993 cmd->cmd_xfercount = cdb_len * cmd->cmd_blksize;
3994 3994 break;
3995 3995 case SCMD_WRITE_G5:
3996 3996 case SCMD_READ_G5:
3997 3997 /* calculate lba = current_lba + len_of_prev_cmd */
3998 3998 cmd->cmd_lba += (cmd->cmd_cdb[6] << 24) +
3999 3999 (cmd->cmd_cdb[7] << 16) + (cmd->cmd_cdb[8] << 8) +
4000 4000 cmd->cmd_cdb[9];
4001 4001 if (blk_size) {
4002 4002 xfer_len /= blk_size;
4003 4003 }
4004 4004 scsa2usb_fill_up_12byte_cdb_len(cmd, xfer_len, CDB_GROUP5);
4005 4005 break;
4006 4006 case SCMD_WRITE_G1:
4007 4007 case SCMD_WRITE_LONG:
4008 4008 /* calculate lba = current_lba + len_of_prev_cmd */
4009 4009 cmd->cmd_lba += (cmd->cmd_cdb[7] << 8) + cmd->cmd_cdb[8];
4010 4010 if (SCSA2USB_VALID_CDRW_BLKSZ(cmd->cmd_blksize)) {
4011 4011 blk_size = cmd->cmd_blksize;
4012 4012 }
4013 4013 cdb_len = xfer_len/blk_size;
4014 4014 scsa2usb_fill_up_cdb_len(cmd, cdb_len);
4015 4015 /* re-adjust xfer count */
4016 4016 cmd->cmd_xfercount = cdb_len * blk_size;
4017 4017 break;
4018 4018 default:
4019 4019 if (blk_size) {
4020 4020 xfer_len /= blk_size;
4021 4021 }
4022 4022 scsa2usb_fill_up_cdb_len(cmd, xfer_len);
4023 4023 cmd->cmd_lba += scsa2usbp->scsa2usb_max_bulk_xfer_size/blk_size;
4024 4024 }
4025 4025
4026 4026 /* fill in the lba */
4027 4027 scsa2usb_fill_up_cdb_lba(cmd, cmd->cmd_lba);
4028 4028
4029 4029 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4030 4030 "scsa2usb_setup_next_xfer:\n\tlba = 0x%x xfer_len = 0x%x "
4031 4031 "xfercount = 0x%lx total = 0x%lx", cmd->cmd_lba, xfer_len,
4032 4032 cmd->cmd_xfercount, cmd->cmd_total_xfercount);
4033 4033 }
4034 4034
4035 4035
4036 4036 /*
4037 4037 * take one request from the lun's waitQ and transport it
4038 4038 */
4039 4039 static void
4040 4040 scsa2usb_transport_request(scsa2usb_state_t *scsa2usbp, uint_t lun)
4041 4041 {
4042 4042 int rval;
4043 4043 struct scsi_pkt *pkt;
4044 4044 struct scsa2usb_cmd *cmd, *arqcmd;
4045 4045
4046 4046 if ((cmd = (scsa2usb_cmd_t *)
4047 4047 usba_rm_first_pvt_from_list(
4048 4048 &scsa2usbp->scsa2usb_waitQ[lun])) == NULL) {
4049 4049
4050 4050 return;
4051 4051 }
4052 4052 pkt = cmd->cmd_pkt;
4053 4053
4054 4054 /*
4055 4055 * if device has been disconnected, just complete it
4056 4056 */
4057 4057 if (scsa2usbp->scsa2usb_dev_state == USB_DEV_DISCONNECTED) {
4058 4058 USB_DPRINTF_L2(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4059 4059 "device not accessible");
4060 4060 pkt->pkt_reason = CMD_DEV_GONE;
4061 4061 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp);
4062 4062 scsa2usb_pkt_completion(scsa2usbp, pkt);
4063 4063
4064 4064 return;
4065 4065 }
4066 4066
4067 4067 USB_DPRINTF_L4(DPRINT_MASK_SCSA,
4068 4068 scsa2usbp->scsa2usb_log_handle,
4069 4069 "scsa2usb_transport_request: cmd=0x%p bp=0x%p addr=0x%p",
4070 4070 (void *)cmd, (void *)cmd->cmd_bp,
4071 4071 (void *)(cmd->cmd_bp ? cmd->cmd_bp->b_un.b_addr : NULL));
4072 4072
4073 4073 rval = scsa2usb_cmd_transport(scsa2usbp, cmd);
4074 4074
4075 4075 USB_DPRINTF_L3(DPRINT_MASK_SCSA,
4076 4076 scsa2usbp->scsa2usb_log_handle,
4077 4077 "scsa2usb_transport_request: transport rval = %d",
4078 4078 rval);
4079 4079
4080 4080 if (scsa2usbp->scsa2usb_cur_pkt == NULL) {
4081 4081
4082 4082 return;
4083 4083 }
4084 4084
4085 4085 ASSERT(pkt == scsa2usbp->scsa2usb_cur_pkt);
4086 4086
4087 4087 if (ddi_in_panic()) {
4088 4088 pkt->pkt_reason = CMD_CMPLT;
4089 4089 scsa2usb_pkt_completion(scsa2usbp, pkt);
4090 4090
4091 4091 return;
4092 4092 }
4093 4093
4094 4094 /*
4095 4095 * start an auto-request sense iff
4096 4096 * there was a check condition, we have enough
4097 4097 * space in the status block, and we have not
4098 4098 * faked an auto request sense
4099 4099 */
4100 4100 if ((*(pkt->pkt_scbp) == STATUS_CHECK) &&
4101 4101 (cmd->cmd_scblen >= sizeof (struct scsi_arq_status)) &&
4102 4102 ((pkt->pkt_state & STATE_ARQ_DONE) == 0) &&
4103 4103 (scsa2usb_create_arq_pkt(scsa2usbp,
4104 4104 &pkt->pkt_address) == USB_SUCCESS)) {
4105 4105 arqcmd = scsa2usbp->scsa2usb_arq_cmd;
4106 4106
4107 4107 /*
4108 4108 * copy the timeout from the
4109 4109 * original packet
4110 4110 * for lack of a better value
4111 4111 */
4112 4112 arqcmd->cmd_pkt->pkt_time = pkt->pkt_time;
4113 4113 scsa2usb_prepare_pkt(scsa2usbp,
4114 4114 arqcmd->cmd_pkt);
4115 4115
4116 4116 scsa2usbp->scsa2usb_cur_pkt = NULL;
4117 4117 if (scsa2usb_cmd_transport(
4118 4118 scsa2usbp, arqcmd) == TRAN_ACCEPT) {
4119 4119
4120 4120 /* finish w/ this packet */
4121 4121 scsa2usb_complete_arq_pkt(
4122 4122 scsa2usbp, arqcmd->cmd_pkt, cmd,
4123 4123 scsa2usbp->scsa2usb_arq_bp);
4124 4124
4125 4125 /*
4126 4126 * we have valid request sense
4127 4127 * data so clear the pkt_reason
4128 4128 */
4129 4129 pkt->pkt_reason = CMD_CMPLT;
4130 4130 }
4131 4131 scsa2usbp->scsa2usb_cur_pkt = pkt;
4132 4132 scsa2usb_delete_arq_pkt(scsa2usbp);
4133 4133 }
4134 4134
4135 4135 if ((rval != TRAN_ACCEPT) &&
4136 4136 (pkt->pkt_reason == CMD_CMPLT)) {
4137 4137 pkt->pkt_reason = CMD_TRAN_ERR;
4138 4138 }
4139 4139
4140 4140 SCSA2USB_SET_PKT_DO_COMP_STATE(scsa2usbp);
4141 4141 scsa2usb_pkt_completion(scsa2usbp, pkt);
4142 4142
4143 4143 ASSERT(scsa2usbp->scsa2usb_cur_pkt == NULL);
4144 4144 }
4145 4145
4146 4146
4147 4147 /*
4148 4148 * scsa2usb_work_thread:
4149 4149 * The taskq thread that kicks off the transport (BO and CB/CBI)
4150 4150 */
4151 4151 static void
4152 4152 scsa2usb_work_thread(void *arg)
4153 4153 {
4154 4154 scsa2usb_state_t *scsa2usbp = (scsa2usb_state_t *)arg;
4155 4155 uint_t lun;
4156 4156 uint_t count;
4157 4157
4158 4158 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4159 4159 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4160 4160 "scsa2usb_work_thread start: thread_id=0x%p",
4161 4161 (void *)scsa2usbp->scsa2usb_work_thread_id);
4162 4162
4163 4163 ASSERT(scsa2usbp->scsa2usb_work_thread_id == (kthread_t *)1);
4164 4164 scsa2usbp->scsa2usb_work_thread_id = curthread;
4165 4165
4166 4166 /* exclude ugen accesses */
4167 4167 while (scsa2usbp->scsa2usb_transport_busy) {
4168 4168 cv_wait(&scsa2usbp->scsa2usb_transport_busy_cv,
4169 4169 &scsa2usbp->scsa2usb_mutex);
4170 4170 }
4171 4171 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0);
4172 4172 scsa2usbp->scsa2usb_transport_busy++;
4173 4173 scsa2usbp->scsa2usb_busy_proc = curproc;
4174 4174
4175 4175 scsa2usb_raise_power(scsa2usbp);
4176 4176
4177 4177 /* reopen the pipes if necessary */
4178 4178 (void) scsa2usb_open_usb_pipes(scsa2usbp);
4179 4179
4180 4180 for (;;) {
4181 4181 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0);
4182 4182 for (lun = 0; lun < scsa2usbp->scsa2usb_n_luns; lun++) {
4183 4183 scsa2usb_transport_request(scsa2usbp, lun);
4184 4184 }
4185 4185 count = 0;
4186 4186 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) {
4187 4187 count += usba_list_entry_count(
4188 4188 &scsa2usbp->scsa2usb_waitQ[lun]);
4189 4189 }
4190 4190
4191 4191 if (count == 0) {
4192 4192
4193 4193 break;
4194 4194 }
4195 4195 }
4196 4196
4197 4197 scsa2usbp->scsa2usb_work_thread_id = 0;
4198 4198
4199 4199 ASSERT(scsa2usbp->scsa2usb_ugen_open_count == 0);
4200 4200
4201 4201 scsa2usbp->scsa2usb_transport_busy--;
4202 4202 scsa2usbp->scsa2usb_busy_proc = NULL;
4203 4203 cv_signal(&scsa2usbp->scsa2usb_transport_busy_cv);
4204 4204
4205 4205 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4206 4206 "scsa2usb_work_thread: exit");
4207 4207
4208 4208 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4209 4209
4210 4210 scsa2usb_pm_idle_component(scsa2usbp);
4211 4211 }
4212 4212
4213 4213
4214 4214 /*
4215 4215 * scsa2usb_flush_waitQ:
4216 4216 * empties the entire waitQ with errors asap.
4217 4217 *
4218 4218 * It is called from scsa2usb_scsi_reset and scsa2usb_panic_callb.
4219 4219 * If the device is reset; we should empty the waitQ right away.
4220 4220 * If the system has paniced; we should empty the waitQ right away.
4221 4221 *
4222 4222 * CPR suspend will only succeed if device is idle. No need to call
4223 4223 * this function for CPR suspend case.
4224 4224 */
4225 4225 static void
4226 4226 scsa2usb_flush_waitQ(scsa2usb_state_t *scsa2usbp, uint_t lun,
4227 4227 uchar_t error)
4228 4228 {
4229 4229 struct scsi_pkt *pkt;
4230 4230 struct scsa2usb_cmd *cmd;
4231 4231 usba_list_entry_t head;
4232 4232
4233 4233 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4234 4234
4235 4235 usba_move_list(&scsa2usbp->scsa2usb_waitQ[lun], &head,
4236 4236 scsa2usbp->scsa2usb_dev_data->dev_iblock_cookie);
4237 4237 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4238 4238
4239 4239 while ((cmd = (scsa2usb_cmd_t *)usba_rm_first_pvt_from_list(&head)) !=
4240 4240 NULL) {
4241 4241 pkt = cmd->cmd_pkt;
4242 4242 pkt->pkt_reason = error; /* set error */
4243 4243
4244 4244 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4245 4245 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_DO_COMP;
4246 4246 scsa2usb_pkt_completion(scsa2usbp, pkt);
4247 4247 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4248 4248 } /* end of while */
4249 4249 }
4250 4250
4251 4251
4252 4252 /*
4253 4253 * scsa2usb_do_inquiry is performed before INIT CHILD and we have
4254 4254 * to fake a few things normally done by SCSA
4255 4255 */
4256 4256 static void
4257 4257 scsa2usb_do_inquiry(scsa2usb_state_t *scsa2usbp, uint_t target, uint_t lun)
4258 4258 {
4259 4259 struct buf *bp;
4260 4260 struct scsi_pkt *pkt;
4261 4261 struct scsi_address ap;
4262 4262 int len = SCSA2USB_MAX_INQ_LEN;
4263 4263
4264 4264 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4265 4265 "scsa2usb_do_inquiry: %d bytes", len);
4266 4266
4267 4267 /* is it inquiry-challenged? */
4268 4268 if (!(scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_INQUIRY)) {
4269 4269 scsa2usb_fake_inquiry(scsa2usbp,
4270 4270 &scsa2usbp->scsa2usb_lun_inquiry[lun]);
4271 4271 return;
4272 4272 }
4273 4273
4274 4274 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4275 4275
4276 4276 bzero(&ap, sizeof (struct scsi_address));
4277 4277 ap.a_hba_tran = scsa2usbp->scsa2usb_tran;
4278 4278 ap.a_target = (ushort_t)target;
4279 4279 ap.a_lun = (uchar_t)lun;
4280 4280
4281 4281 /* limit inquiry to 36 bytes */
4282 4282 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4283 4283 if ((bp = scsi_alloc_consistent_buf(&ap, (struct buf *)NULL,
4284 4284 len, B_READ, SLEEP_FUNC, NULL)) == NULL) {
4285 4285 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4286 4286 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
4287 4287 scsa2usbp->scsa2usb_log_handle,
4288 4288 "scsa2usb_do_inquiry: failed");
4289 4289
4290 4290 return;
4291 4291 }
4292 4292
4293 4293 pkt = scsi_init_pkt(&ap, NULL, bp, CDB_GROUP0, 1,
4294 4294 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL);
4295 4295
4296 4296 RQ_MAKECOM_G0(pkt, FLAG_NOINTR, (char)SCMD_INQUIRY, 0, (char)len);
4297 4297
4298 4298 pkt->pkt_comp = NULL;
4299 4299 pkt->pkt_time = 5;
4300 4300 bzero(bp->b_un.b_addr, len);
4301 4301
4302 4302 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4303 4303 "scsa2usb_do_inquiry:INQUIRY");
4304 4304
4305 4305 (void) scsi_transport(pkt);
4306 4306
4307 4307 if (pkt->pkt_reason) {
4308 4308 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
4309 4309 scsa2usbp->scsa2usb_log_handle,
4310 4310 "INQUIRY failed, cannot determine device type, "
4311 4311 "pkt_reason=0x%x", pkt->pkt_reason);
4312 4312
4313 4313 /* not much hope for other cmds, reduce */
4314 4314 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4315 4315 scsa2usbp->scsa2usb_attrs &=
4316 4316 ~SCSA2USB_ATTRS_REDUCED_CMD;
4317 4317 scsa2usb_fake_inquiry(scsa2usbp,
4318 4318 &scsa2usbp->scsa2usb_lun_inquiry[lun]);
4319 4319 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4320 4320 }
4321 4321
4322 4322 scsi_destroy_pkt(pkt);
4323 4323 scsi_free_consistent_buf(bp);
4324 4324
4325 4325 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4326 4326 }
4327 4327
4328 4328
4329 4329 /*
4330 4330 * scsa2usb_fake_inquiry:
4331 4331 * build an inquiry for a given device that doesnt like inquiry
4332 4332 * commands.
4333 4333 */
4334 4334 static void
4335 4335 scsa2usb_fake_inquiry(scsa2usb_state_t *scsa2usbp, struct scsi_inquiry *inqp)
4336 4336 {
4337 4337 usb_client_dev_data_t *dev_data = scsa2usbp->scsa2usb_dev_data;
4338 4338 int len;
4339 4339
4340 4340 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4341 4341 "scsa2usb_fake_inquiry:");
4342 4342
4343 4343 bzero(inqp, sizeof (struct scsi_inquiry));
4344 4344 for (len = 0; len < sizeof (inqp->inq_vid); len++) {
4345 4345 *(inqp->inq_vid + len) = ' ';
4346 4346 }
4347 4347
4348 4348 for (len = 0; len < sizeof (inqp->inq_pid); len++) {
4349 4349 *(inqp->inq_pid + len) = ' ';
4350 4350 }
4351 4351
4352 4352 inqp->inq_dtype = DTYPE_DIRECT;
4353 4353 inqp->inq_rmb = 1;
4354 4354 inqp->inq_ansi = 2;
4355 4355 inqp->inq_rdf = RDF_SCSI2;
4356 4356 inqp->inq_len = sizeof (struct scsi_inquiry)-4;
4357 4357
4358 4358 /* Fill in the Vendor id/Product id strings */
4359 4359 if (dev_data->dev_mfg) {
4360 4360 if ((len = strlen(dev_data->dev_mfg)) >
4361 4361 sizeof (inqp->inq_vid)) {
4362 4362 len = sizeof (inqp->inq_vid);
4363 4363 }
4364 4364 bcopy(dev_data->dev_mfg, inqp->inq_vid, len);
4365 4365 }
4366 4366
4367 4367 if (dev_data->dev_product) {
4368 4368 if ((len = strlen(dev_data->dev_product)) >
4369 4369 sizeof (inqp->inq_pid)) {
4370 4370 len = sizeof (inqp->inq_pid);
4371 4371 }
4372 4372 bcopy(dev_data->dev_product, inqp->inq_pid, len);
4373 4373 }
4374 4374
4375 4375 /* Set the Revision to the Device */
4376 4376 inqp->inq_revision[0] = 0x30 +
4377 4377 ((dev_data->dev_descr->bcdDevice>>12) & 0xF);
4378 4378 inqp->inq_revision[1] = 0x30 +
4379 4379 ((dev_data->dev_descr->bcdDevice>>8) & 0xF);
4380 4380 inqp->inq_revision[2] = 0x30 +
4381 4381 ((dev_data->dev_descr->bcdDevice>>4) & 0xF);
4382 4382 inqp->inq_revision[3] = 0x30 +
4383 4383 ((dev_data->dev_descr->bcdDevice) & 0xF);
4384 4384 }
4385 4385
4386 4386
4387 4387 /*
4388 4388 * scsa2usb_create_arq_pkt:
4389 4389 * Create and ARQ packet to get request sense data
4390 4390 */
4391 4391 static int
4392 4392 scsa2usb_create_arq_pkt(scsa2usb_state_t *scsa2usbp, struct scsi_address *ap)
4393 4393 {
4394 4394 struct buf *bp;
4395 4395 scsa2usb_cmd_t *arq_cmd;
4396 4396
4397 4397 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4398 4398 "scsa2usb_create_arq_pkt: scsa2usbp: %p, ap: %p",
4399 4399 (void *)scsa2usbp, (void *)ap);
4400 4400
4401 4401 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4402 4402
4403 4403 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4404 4404 if ((bp = scsi_alloc_consistent_buf(ap, (struct buf *)NULL,
4405 4405 SENSE_LENGTH, B_READ, SLEEP_FUNC, NULL)) == NULL) {
4406 4406 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4407 4407
4408 4408 return (USB_FAILURE);
4409 4409 }
4410 4410
4411 4411 arq_cmd = PKT2CMD(scsi_init_pkt(ap, NULL, bp, CDB_GROUP0, 1,
4412 4412 PKT_PRIV_LEN, PKT_CONSISTENT, SLEEP_FUNC, NULL));
4413 4413 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4414 4414
4415 4415 RQ_MAKECOM_G0(arq_cmd->cmd_pkt,
4416 4416 FLAG_SENSING | FLAG_HEAD | FLAG_NODISCON,
4417 4417 (char)SCMD_REQUEST_SENSE, 0, (char)SENSE_LENGTH);
4418 4418
4419 4419 arq_cmd->cmd_pkt->pkt_ha_private = arq_cmd;
4420 4420 scsa2usbp->scsa2usb_arq_cmd = arq_cmd;
4421 4421 scsa2usbp->scsa2usb_arq_bp = bp;
4422 4422 arq_cmd->cmd_pkt->pkt_comp = NULL;
4423 4423 bzero(bp->b_un.b_addr, SENSE_LENGTH);
4424 4424
4425 4425 return (USB_SUCCESS);
4426 4426 }
4427 4427
4428 4428
4429 4429 /*
4430 4430 * scsa2usb_delete_arq_pkt:
4431 4431 * Destroy the ARQ packet
4432 4432 */
4433 4433 static void
4434 4434 scsa2usb_delete_arq_pkt(scsa2usb_state_t *scsa2usbp)
4435 4435 {
4436 4436 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4437 4437 "scsa2usb_delete_arq_pkt: cmd: 0x%p",
4438 4438 (void *)scsa2usbp->scsa2usb_arq_cmd);
4439 4439
4440 4440 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4441 4441
4442 4442 if (scsa2usbp->scsa2usb_arq_cmd != NULL) {
4443 4443 scsi_destroy_pkt(scsa2usbp->scsa2usb_arq_cmd->cmd_pkt);
4444 4444 scsi_free_consistent_buf(scsa2usbp->scsa2usb_arq_bp);
4445 4445 }
4446 4446 scsa2usbp->scsa2usb_arq_cmd = NULL;
4447 4447 scsa2usbp->scsa2usb_arq_bp = NULL;
4448 4448 }
4449 4449
4450 4450
4451 4451 /*
4452 4452 * scsa2usb_complete_arq_pkt:
4453 4453 * finish processing the arq packet
4454 4454 */
4455 4455 static void
4456 4456 scsa2usb_complete_arq_pkt(scsa2usb_state_t *scsa2usbp,
4457 4457 struct scsi_pkt *pkt, scsa2usb_cmd_t *ssp, struct buf *bp)
4458 4458 {
4459 4459 scsa2usb_cmd_t *sp = pkt->pkt_ha_private;
4460 4460 struct scsi_arq_status *arqp;
4461 4461
4462 4462 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4463 4463
4464 4464 arqp = (struct scsi_arq_status *)(ssp->cmd_pkt->pkt_scbp);
4465 4465 arqp->sts_rqpkt_status = *((struct scsi_status *)
4466 4466 (sp->cmd_pkt->pkt_scbp));
4467 4467 arqp->sts_rqpkt_reason = CMD_CMPLT;
4468 4468 arqp->sts_rqpkt_state |= STATE_XFERRED_DATA;
4469 4469 arqp->sts_rqpkt_statistics = arqp->sts_rqpkt_resid = 0;
4470 4470
4471 4471 /* is this meaningful sense data */
4472 4472 if (*(bp->b_un.b_addr) != 0) {
4473 4473 bcopy(bp->b_un.b_addr, &arqp->sts_sensedata, SENSE_LENGTH);
4474 4474 ssp->cmd_pkt->pkt_state |= STATE_ARQ_DONE;
4475 4475 }
4476 4476
4477 4477 /* we will not sense start cmd until we receive a NOT READY */
4478 4478 if (arqp->sts_sensedata.es_key == KEY_NOT_READY) {
4479 4479 scsa2usbp->scsa2usb_rcvd_not_ready = B_TRUE;
4480 4480 }
4481 4481 }
4482 4482
4483 4483
4484 4484 /*
4485 4485 * Miscellaneous functions for any command/transport
4486 4486 */
4487 4487 /*
4488 4488 * scsa2usb_open_usb_pipes:
4489 4489 * set up a pipe policy
4490 4490 * open usb bulk pipes (BO and CB/CBI)
4491 4491 * open usb interrupt pipe (CBI)
4492 4492 */
4493 4493 static int
4494 4494 scsa2usb_open_usb_pipes(scsa2usb_state_t *scsa2usbp)
4495 4495 {
4496 4496 int rval;
4497 4497 usb_pipe_policy_t policy; /* bulk pipe policy */
4498 4498 size_t sz;
4499 4499
4500 4500 ASSERT(scsa2usbp);
4501 4501 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4502 4502
4503 4503 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4504 4504 "scsa2usb_open_usb_pipes: dip = 0x%p flag = 0x%x",
4505 4505 (void *)scsa2usbp->scsa2usb_dip, scsa2usbp->scsa2usb_flags);
4506 4506
4507 4507 if (!(scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_PIPES_OPENED)) {
4508 4508
4509 4509 /*
4510 4510 * one pipe policy for all bulk pipes
4511 4511 */
4512 4512 bzero(&policy, sizeof (usb_pipe_policy_t));
4513 4513 /* at least 2, for the normal and exceptional callbacks */
4514 4514 policy.pp_max_async_reqs = 1;
4515 4515
4516 4516 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4517 4517 "scsa2usb_open_usb_pipes: opening bulk pipes");
4518 4518
4519 4519 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4520 4520
4521 4521 /* Open the USB bulk-in pipe */
4522 4522 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip,
4523 4523 &scsa2usbp->scsa2usb_bulkin_ept, &policy, USB_FLAGS_SLEEP,
4524 4524 &scsa2usbp->scsa2usb_bulkin_pipe)) != USB_SUCCESS) {
4525 4525 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4526 4526 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
4527 4527 scsa2usbp->scsa2usb_log_handle,
4528 4528 "scsa2usb_open_usb_pipes: bulk/in pipe open "
4529 4529 " failed rval = %d", rval);
4530 4530
4531 4531 return (USB_FAILURE);
4532 4532 }
4533 4533
4534 4534 /* Open the bulk-out pipe using the same policy */
4535 4535 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip,
4536 4536 &scsa2usbp->scsa2usb_bulkout_ept, &policy, USB_FLAGS_SLEEP,
4537 4537 &scsa2usbp->scsa2usb_bulkout_pipe)) != USB_SUCCESS) {
4538 4538 usb_pipe_close(scsa2usbp->scsa2usb_dip,
4539 4539 scsa2usbp->scsa2usb_bulkin_pipe,
4540 4540 USB_FLAGS_SLEEP, NULL, NULL);
4541 4541
4542 4542 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4543 4543 scsa2usbp->scsa2usb_bulkin_pipe = NULL;
4544 4544
4545 4545 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
4546 4546 scsa2usbp->scsa2usb_log_handle,
4547 4547 "scsa2usb_open_usb_pipes: bulk/out pipe open"
4548 4548 " failed rval = %d", rval);
4549 4549
4550 4550 return (USB_FAILURE);
4551 4551 }
4552 4552
4553 4553 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4554 4554
4555 4555 /* open interrupt pipe for CBI protocol */
4556 4556 if (SCSA2USB_IS_CBI(scsa2usbp)) {
4557 4557 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4558 4558
4559 4559 if ((rval = usb_pipe_open(scsa2usbp->scsa2usb_dip,
4560 4560 &scsa2usbp->scsa2usb_intr_ept, &policy,
4561 4561 USB_FLAGS_SLEEP, &scsa2usbp->scsa2usb_intr_pipe)) !=
4562 4562 USB_SUCCESS) {
4563 4563 usb_pipe_close(scsa2usbp->scsa2usb_dip,
4564 4564 scsa2usbp->scsa2usb_bulkin_pipe,
4565 4565 USB_FLAGS_SLEEP, NULL, NULL);
4566 4566
4567 4567 usb_pipe_close(scsa2usbp->scsa2usb_dip,
4568 4568 scsa2usbp->scsa2usb_bulkout_pipe,
4569 4569 USB_FLAGS_SLEEP, NULL, NULL);
4570 4570
4571 4571 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4572 4572 scsa2usbp->scsa2usb_bulkin_pipe = NULL;
4573 4573 scsa2usbp->scsa2usb_bulkout_pipe = NULL;
4574 4574
4575 4575 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
4576 4576 scsa2usbp->scsa2usb_log_handle,
4577 4577 "scsa2usb_open_usb_pipes: intr pipe open"
4578 4578 " failed rval = %d", rval);
4579 4579
4580 4580 return (USB_FAILURE);
4581 4581 }
4582 4582
4583 4583 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4584 4584 }
4585 4585
4586 4586 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4587 4587
4588 4588 /* get the max transfer size of the bulk pipe */
4589 4589 if (usb_pipe_get_max_bulk_transfer_size(scsa2usbp->scsa2usb_dip,
4590 4590 &sz) == USB_SUCCESS) {
4591 4591 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4592 4592 scsa2usbp->scsa2usb_max_bulk_xfer_size = sz;
4593 4593 } else {
4594 4594 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4595 4595 scsa2usbp->scsa2usb_max_bulk_xfer_size = DEV_BSIZE;
4596 4596 }
4597 4597
4598 4598 /* limit the xfer size */
4599 4599 scsa2usbp->scsa2usb_max_bulk_xfer_size = min(
4600 4600 scsa2usbp->scsa2usb_max_bulk_xfer_size,
4601 4601 scsa2usb_max_bulk_xfer_size);
4602 4602
4603 4603 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4604 4604 "scsa2usb_open_usb_pipes: max bulk transfer size = %lx",
4605 4605 scsa2usbp->scsa2usb_max_bulk_xfer_size);
4606 4606
4607 4607 /* Set the pipes opened flag */
4608 4608 scsa2usbp->scsa2usb_flags |= SCSA2USB_FLAGS_PIPES_OPENED;
4609 4609
4610 4610 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_NORMAL;
4611 4611
4612 4612 /* Set the state to NONE */
4613 4613 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE;
4614 4614 }
4615 4615
4616 4616 return (USB_SUCCESS);
4617 4617 }
4618 4618
4619 4619
4620 4620 /*
4621 4621 * scsa2usb_close_usb_pipes:
4622 4622 * close all pipes synchronously
4623 4623 */
4624 4624 void
4625 4625 scsa2usb_close_usb_pipes(scsa2usb_state_t *scsa2usbp)
4626 4626 {
4627 4627 usb_flags_t flags = USB_FLAGS_SLEEP;
4628 4628
4629 4629 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4630 4630 "scsa2usb_close_usb_pipes: scsa2usb_state = 0x%p",
4631 4631 (void *)scsa2usbp);
4632 4632
4633 4633 ASSERT(scsa2usbp);
4634 4634 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4635 4635
4636 4636 if ((scsa2usbp->scsa2usb_flags & SCSA2USB_FLAGS_PIPES_OPENED) == 0) {
4637 4637
4638 4638 return;
4639 4639 }
4640 4640
4641 4641 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_CLOSING;
4642 4642 /* to avoid races, reset the flag first */
4643 4643 scsa2usbp->scsa2usb_flags &= ~SCSA2USB_FLAGS_PIPES_OPENED;
4644 4644
4645 4645 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4646 4646
4647 4647 usb_pipe_close(scsa2usbp->scsa2usb_dip,
4648 4648 scsa2usbp->scsa2usb_bulkout_pipe, flags, NULL, NULL);
4649 4649
4650 4650 usb_pipe_close(scsa2usbp->scsa2usb_dip,
4651 4651 scsa2usbp->scsa2usb_bulkin_pipe, flags, NULL, NULL);
4652 4652
4653 4653 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4654 4654 if (SCSA2USB_IS_CBI(scsa2usbp)) {
4655 4655 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4656 4656 usb_pipe_close(scsa2usbp->scsa2usb_dip,
4657 4657 scsa2usbp->scsa2usb_intr_pipe, flags, NULL, NULL);
4658 4658 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4659 4659 }
4660 4660 scsa2usbp->scsa2usb_bulkout_pipe = NULL;
4661 4661 scsa2usbp->scsa2usb_bulkin_pipe = NULL;
4662 4662 scsa2usbp->scsa2usb_intr_pipe = NULL;
4663 4663
4664 4664 scsa2usbp->scsa2usb_pipe_state = SCSA2USB_PIPE_NORMAL;
4665 4665 }
4666 4666
4667 4667
4668 4668 /*
4669 4669 * scsa2usb_fill_up_cdb_lba:
4670 4670 * fill up command CDBs' LBA part
4671 4671 */
4672 4672 static void
4673 4673 scsa2usb_fill_up_cdb_lba(scsa2usb_cmd_t *cmd, int lba)
4674 4674 {
4675 4675 /* zero cdb1, lba bits so they won't get copied in the new cdb */
4676 4676 cmd->cmd_cdb[SCSA2USB_LUN] &= 0xE0;
4677 4677 cmd->cmd_cdb[SCSA2USB_LBA_0] = lba >> 24;
4678 4678 cmd->cmd_cdb[SCSA2USB_LBA_1] = lba >> 16;
4679 4679 cmd->cmd_cdb[SCSA2USB_LBA_2] = lba >> 8;
4680 4680 cmd->cmd_cdb[SCSA2USB_LBA_3] = (uchar_t)lba;
4681 4681 cmd->cmd_lba = lba;
4682 4682 }
4683 4683
4684 4684
4685 4685 /*
4686 4686 * scsa2usb_fill_up_ReadCD_cdb_len:
4687 4687 * fill up READ_CD command CDBs' len part
4688 4688 */
4689 4689 static void
4690 4690 scsa2usb_fill_up_ReadCD_cdb_len(scsa2usb_cmd_t *cmd, int len, int actual_len)
4691 4691 {
4692 4692 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_0] = len >> 16;
4693 4693 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_1] = len >> 8;
4694 4694 cmd->cmd_cdb[SCSA2USB_READ_CD_LEN_2] = (uchar_t)len;
4695 4695 cmd->cmd_actual_len = (uchar_t)actual_len;
4696 4696 }
4697 4697
4698 4698
4699 4699 /*
4700 4700 * scsa2usb_fill_up_12byte_cdb_len:
4701 4701 * fill up generic 12-byte command CDBs' len part
4702 4702 */
4703 4703 static void
4704 4704 scsa2usb_fill_up_12byte_cdb_len(scsa2usb_cmd_t *cmd, int len, int actual_len)
4705 4705 {
4706 4706 cmd->cmd_cdb[6] = len >> 24;
4707 4707 cmd->cmd_cdb[7] = len >> 16;
4708 4708 cmd->cmd_cdb[8] = len >> 8;
4709 4709 cmd->cmd_cdb[9] = (uchar_t)len;
4710 4710 cmd->cmd_actual_len = (uchar_t)actual_len;
4711 4711 }
4712 4712
4713 4713
4714 4714 /*
4715 4715 * scsa2usb_fill_up_cdb_len:
4716 4716 * fill up generic 10-byte command CDBs' len part
4717 4717 */
4718 4718 static void
4719 4719 scsa2usb_fill_up_cdb_len(scsa2usb_cmd_t *cmd, int len)
4720 4720 {
4721 4721 cmd->cmd_cdb[SCSA2USB_LEN_0] = len >> 8;
4722 4722 cmd->cmd_cdb[SCSA2USB_LEN_1] = (uchar_t)len;
4723 4723 }
4724 4724
4725 4725
4726 4726 /*
4727 4727 * scsa2usb_read_cd_blk_size:
4728 4728 * For SCMD_READ_CD opcode (0xbe). Figure out the
4729 4729 * block size based on expected sector type field
4730 4730 * definition. See MMC SCSI Specs section 6.1.15
4731 4731 *
4732 4732 * Based on the value of the "expected_sector_type"
4733 4733 * field, the block size could be different.
4734 4734 */
4735 4735 static int
4736 4736 scsa2usb_read_cd_blk_size(uchar_t expected_sector_type)
4737 4737 {
4738 4738 int blk_size;
4739 4739
4740 4740 switch (expected_sector_type) {
4741 4741 case READ_CD_EST_CDDA:
4742 4742 blk_size = CDROM_BLK_2352;
4743 4743 break;
4744 4744 case READ_CD_EST_MODE2:
4745 4745 blk_size = CDROM_BLK_2336;
4746 4746 break;
4747 4747 case READ_CD_EST_MODE2FORM2:
4748 4748 blk_size = CDROM_BLK_2324;
4749 4749 break;
4750 4750 case READ_CD_EST_MODE2FORM1:
4751 4751 case READ_CD_EST_ALLTYPE:
4752 4752 case READ_CD_EST_MODE1:
4753 4753 default:
4754 4754 blk_size = CDROM_BLK_2048;
4755 4755 }
4756 4756
4757 4757 USB_DPRINTF_L4(DPRINT_MASK_SCSA, NULL, "scsa2usb_read_cd_blk_size: "
4758 4758 "est = 0x%x blk_size = %d", expected_sector_type, blk_size);
4759 4759
4760 4760 return (blk_size);
4761 4761 }
4762 4762
4763 4763
4764 4764 /*
4765 4765 * scsa2usb_bp_to_mblk:
4766 4766 * Convert a bp to mblk_t. USBA framework understands mblk_t.
4767 4767 */
4768 4768 static mblk_t *
4769 4769 scsa2usb_bp_to_mblk(scsa2usb_state_t *scsa2usbp)
4770 4770 {
4771 4771 size_t size;
4772 4772 mblk_t *mp;
4773 4773 struct buf *bp;
4774 4774 scsa2usb_cmd_t *cmd = PKT2CMD(scsa2usbp->scsa2usb_cur_pkt);
4775 4775
4776 4776 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4777 4777 "scsa2usb_bp_to_mblk: ");
4778 4778
4779 4779 ASSERT(scsa2usbp->scsa2usb_cur_pkt);
4780 4780 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4781 4781
4782 4782 bp = cmd->cmd_bp;
4783 4783
4784 4784 if (bp && (bp->b_bcount > 0)) {
4785 4785 size = ((bp->b_bcount > cmd->cmd_xfercount) ?
4786 4786 cmd->cmd_xfercount : bp->b_bcount);
4787 4787 } else {
4788 4788
4789 4789 return (NULL);
4790 4790 }
4791 4791
4792 4792 mp = esballoc_wait((uchar_t *)bp->b_un.b_addr + cmd->cmd_offset,
4793 4793 size, BPRI_LO, &frnop);
4794 4794
4795 4795 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4796 4796 "scsa2usb_bp_to_mblk: "
4797 4797 "mp=0x%p bp=0x%p pkt=0x%p off=0x%lx sz=%lu add=0x%p",
4798 4798 (void *)mp, (void *)bp, (void *)scsa2usbp->scsa2usb_cur_pkt,
4799 4799 cmd->cmd_offset, bp->b_bcount - cmd->cmd_offset,
4800 4800 (void *)bp->b_un.b_addr);
4801 4801
4802 4802 mp->b_wptr += size;
4803 4803 cmd->cmd_offset += size;
4804 4804
4805 4805 return (mp);
4806 4806 }
4807 4807
4808 4808
4809 4809 /*
4810 4810 * scsa2usb_handle_data_start:
4811 4811 * Initiate the data xfer. It could be IN/OUT direction.
4812 4812 *
4813 4813 * Data IN:
4814 4814 * Send out the bulk-xfer request
4815 4815 * if rval implies STALL
4816 4816 * clear endpoint stall and reset bulk-in pipe
4817 4817 * handle data read in so far; set cmd->cmd_done
4818 4818 * also adjust data xfer length accordingly
4819 4819 * else other error
4820 4820 * report back to transport
4821 4821 * typically transport will call reset recovery
4822 4822 * else (no error)
4823 4823 * return success
4824 4824 *
4825 4825 * Data OUT:
4826 4826 * Send out the bulk-xfer request
4827 4827 * if rval implies STALL
4828 4828 * clear endpoint stall and reset bulk-in pipe
4829 4829 * adjust data xfer length
4830 4830 * else other error
4831 4831 * report back to transport
4832 4832 * typically transport will call reset recovery
4833 4833 * else (no error)
4834 4834 * return success
4835 4835 *
4836 4836 * NOTE: We call this function only if there is xfercount.
4837 4837 */
4838 4838 int
4839 4839 scsa2usb_handle_data_start(scsa2usb_state_t *scsa2usbp,
4840 4840 scsa2usb_cmd_t *cmd, usb_bulk_req_t *req)
4841 4841 {
4842 4842 int rval = USB_SUCCESS;
4843 4843 uint_t ept_addr;
4844 4844 usb_flags_t flags = USB_FLAGS_SLEEP;
4845 4845 #ifdef SCSA2USB_BULK_ONLY_TEST
4846 4846 usb_req_attrs_t attrs = 0;
4847 4847 #else
4848 4848 usb_req_attrs_t attrs = USB_ATTRS_SHORT_XFER_OK;
4849 4849 #endif
4850 4850
4851 4851 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
4852 4852 "scsa2usb_handle_data_start: BEGIN cmd = %p, req = %p",
4853 4853 (void *)cmd, (void *)req);
4854 4854
4855 4855 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
4856 4856
4857 4857 switch (cmd->cmd_dir) {
4858 4858 case USB_EP_DIR_IN:
4859 4859 #ifdef SCSA2USB_BULK_ONLY_TEST
4860 4860 /*
4861 4861 * This case occurs when the host expects to receive
4862 4862 * more data than the device actually transfers. Hi > Di
4863 4863 */
4864 4864 if (scsa2usb_test_case_5) {
4865 4865 usb_bulk_req_t *req2;
4866 4866
4867 4867 req->bulk_len = cmd->cmd_xfercount - 1;
4868 4868 req->bulk_attributes = 0;
4869 4869 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4870 4870 SCSA2USB_FREE_MSG(req->bulk_data);
4871 4871 req->bulk_data = allocb_wait(req->bulk_len, BPRI_LO,
4872 4872 STR_NOSIG, NULL);
4873 4873
4874 4874 ASSERT(req->bulk_timeout);
4875 4875 rval = usb_pipe_bulk_xfer(
4876 4876 scsa2usbp->scsa2usb_bulkin_pipe, req, flags);
4877 4877 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4878 4878 USB_DPRINTF_L1(DPRINT_MASK_SCSA,
4879 4879 scsa2usbp->scsa2usb_log_handle, "rval = %x", rval);
4880 4880
4881 4881 req2 = scsa2usb_init_bulk_req(scsa2usbp,
4882 4882 cmd->cmd_xfercount + 2,
4883 4883 cmd->cmd_timeout, 0, flags);
4884 4884 req2->bulk_len = cmd->cmd_xfercount + 2;
4885 4885 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4886 4886
4887 4887 ASSERT(req2->bulk_timeout);
4888 4888 rval = usb_pipe_bulk_xfer(
4889 4889 scsa2usbp->scsa2usb_bulkin_pipe, req2, flags);
4890 4890 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4891 4891
4892 4892 USB_DPRINTF_L1(DPRINT_MASK_SCSA,
4893 4893 scsa2usbp->scsa2usb_log_handle,
4894 4894 "TEST 5: Hi > Di: rval = 0x%x", rval);
4895 4895 scsa2usb_test_case_5 = 0;
4896 4896 usb_free_bulk_req(req2);
4897 4897
4898 4898 return (rval);
4899 4899 }
4900 4900
4901 4901 /*
4902 4902 * This happens when the host expects to send data to the
4903 4903 * device while the device intends to send data to the host.
4904 4904 */
4905 4905 if (scsa2usb_test_case_8 && (cmd->cmd_cdb[0] == SCMD_READ_G1)) {
4906 4906 USB_DPRINTF_L1(DPRINT_MASK_SCSA,
4907 4907 scsa2usbp->scsa2usb_log_handle,
4908 4908 "TEST 8: Hi <> Do: Step 2");
4909 4909 scsa2usb_test_mblk(scsa2usbp, B_TRUE);
4910 4910 scsa2usb_test_case_8 = 0;
4911 4911
4912 4912 return (rval);
4913 4913 }
4914 4914 #endif /* SCSA2USB_BULK_ONLY_TEST */
4915 4915
4916 4916 ept_addr = scsa2usbp->scsa2usb_bulkin_ept.bEndpointAddress;
4917 4917 req->bulk_len = cmd->cmd_xfercount;
4918 4918 req->bulk_attributes = attrs;
4919 4919 SCSA2USB_FREE_MSG(req->bulk_data);
4920 4920 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4921 4921
4922 4922 req->bulk_data = esballoc_wait(
4923 4923 (uchar_t *)cmd->cmd_bp->b_un.b_addr +
4924 4924 cmd->cmd_offset,
4925 4925 req->bulk_len, BPRI_LO, &frnop);
4926 4926
4927 4927 ASSERT(req->bulk_timeout);
4928 4928 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkin_pipe,
4929 4929 req, flags);
4930 4930 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4931 4931
4932 4932 break;
4933 4933
4934 4934 case USB_EP_DIR_OUT:
4935 4935 #ifdef SCSA2USB_BULK_ONLY_TEST
4936 4936 /*
4937 4937 * This happens when the host expects to receive data
4938 4938 * from the device while the device intends to receive
4939 4939 * data from the host.
4940 4940 */
4941 4941 if (scsa2usb_test_case_10 &&
4942 4942 (cmd->cmd_cdb[0] == SCMD_WRITE_G1)) {
4943 4943 req->bulk_len = CSW_LEN;
4944 4944 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4945 4945
4946 4946 ASSERT(req->bulk_timeout);
4947 4947 rval = usb_pipe_bulk_xfer(
4948 4948 scsa2usbp->scsa2usb_bulkin_pipe, req, flags);
4949 4949 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4950 4950
4951 4951 USB_DPRINTF_L1(DPRINT_MASK_SCSA,
4952 4952 scsa2usbp->scsa2usb_log_handle,
4953 4953 "TEST 10: Ho <> Di: done rval = 0x%x", rval);
4954 4954 scsa2usb_test_case_10 = 0;
4955 4955
4956 4956 return (rval);
4957 4957 }
4958 4958 #endif /* SCSA2USB_BULK_ONLY_TEST */
4959 4959
4960 4960 req->bulk_data = scsa2usb_bp_to_mblk(scsa2usbp);
4961 4961 if (req->bulk_data == NULL) {
4962 4962
4963 4963 return (USB_FAILURE);
4964 4964 }
4965 4965
4966 4966 #ifdef SCSA2USB_BULK_ONLY_TEST
4967 4967 if (scsa2usb_test_case_11) {
4968 4968 /*
4969 4969 * Host expects to send data to the device and
4970 4970 * device doesn't expect to receive any data
4971 4971 */
4972 4972 USB_DPRINTF_L1(DPRINT_MASK_SCSA,
4973 4973 scsa2usbp->scsa2usb_log_handle, "TEST 11: Ho > Do");
4974 4974
4975 4975 scsa2usb_test_mblk(scsa2usbp, B_FALSE);
4976 4976 scsa2usb_test_case_11 = 0;
4977 4977 }
4978 4978 #endif /* SCSA2USB_BULK_ONLY_TEST */
4979 4979
4980 4980 ept_addr = scsa2usbp->scsa2usb_bulkout_ept.bEndpointAddress;
4981 4981 req->bulk_len = MBLKL(req->bulk_data);
4982 4982 req->bulk_timeout = scsa2usb_bulk_timeout(cmd->cmd_timeout);
4983 4983 mutex_exit(&scsa2usbp->scsa2usb_mutex);
4984 4984
4985 4985 ASSERT(req->bulk_timeout);
4986 4986 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkout_pipe,
4987 4987 req, flags);
4988 4988 mutex_enter(&scsa2usbp->scsa2usb_mutex);
4989 4989 break;
4990 4990 }
4991 4991
4992 4992 USB_DPRINTF_L3(DPRINT_MASK_SCSA,
4993 4993 scsa2usbp->scsa2usb_log_handle,
4994 4994 "scsa2usb_handle_data_start: rval=%d cr=%d", rval,
4995 4995 req->bulk_completion_reason);
4996 4996
4997 4997 if (rval != USB_SUCCESS) {
4998 4998 /* Handle Errors now */
4999 4999 if (req->bulk_completion_reason == USB_CR_STALL) {
5000 5000 if (cmd->cmd_dir == USB_EP_DIR_IN) {
5001 5001 (void) scsa2usb_clear_ept_stall(
5002 5002 scsa2usbp, ept_addr,
5003 5003 scsa2usbp-> scsa2usb_bulkin_pipe,
5004 5004 "bulk-in");
5005 5005 } else {
5006 5006 (void) scsa2usb_clear_ept_stall(
5007 5007 scsa2usbp, ept_addr,
5008 5008 scsa2usbp-> scsa2usb_bulkout_pipe,
5009 5009 "bulk-out");
5010 5010 }
5011 5011 }
5012 5012
5013 5013 /* no more data to transfer after this */
5014 5014 cmd->cmd_done = 1;
5015 5015 }
5016 5016
5017 5017 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5018 5018 "scsa2usb_handle_data_start: END %s data rval = %d",
5019 5019 (cmd->cmd_dir == USB_EP_DIR_IN) ? "bulk-in" : "bulk-out", rval);
5020 5020
5021 5021 return (rval);
5022 5022 }
5023 5023
5024 5024
5025 5025 /*
5026 5026 * scsa2usb_handle_data_done:
5027 5027 * This function handles the completion of the data xfer.
5028 5028 * It also massages the inquiry data. This function may
5029 5029 * also be called after a stall.
5030 5030 */
5031 5031 void
5032 5032 scsa2usb_handle_data_done(scsa2usb_state_t *scsa2usbp,
5033 5033 scsa2usb_cmd_t *cmd, usb_bulk_req_t *req)
5034 5034 {
5035 5035 struct buf *bp = cmd->cmd_bp;
5036 5036 struct scsi_pkt *pkt = scsa2usbp->scsa2usb_cur_pkt;
5037 5037 mblk_t *data = req->bulk_data;
5038 5038 int len = data ? MBLKL(data) : 0;
5039 5039 uint32_t max_lba;
5040 5040
5041 5041 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5042 5042
5043 5043 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5044 5044 "scsa2usb_handle_data_done:\n\tcmd = 0x%p data = 0x%p len = 0x%x",
5045 5045 (void *)cmd, (void *)data, len);
5046 5046
5047 5047 cmd->cmd_resid_xfercount = cmd->cmd_xfercount - len;
5048 5048
5049 5049 if (len) {
5050 5050 uchar_t *p;
5051 5051 uchar_t dtype;
5052 5052 scsa2usb_read_cap_t *cap;
5053 5053 struct scsi_inquiry *inq;
5054 5054
5055 5055 switch (cmd->cmd_cdb[SCSA2USB_OPCODE]) {
5056 5056 case SCMD_INQUIRY:
5057 5057 /*
5058 5058 * cache a copy of the inquiry data for our own use
5059 5059 * but ensure that we have at least up to
5060 5060 * inq_revision, inq_serial is not required.
5061 5061 * ignore inquiry data returned for inquiry commands
5062 5062 * with SCSI-3 EVPD, CmdDt bits set.
5063 5063 */
5064 5064 if (((cmd->cmd_cdb[SCSA2USB_LUN] & 0x1f) == 0) &&
5065 5065 (len >= SCSA2USB_MAX_INQ_LEN)) {
5066 5066 inq = (struct scsi_inquiry *)data->b_rptr;
5067 5067 dtype = inq->inq_dtype & DTYPE_MASK;
5068 5068 /*
5069 5069 * scsi framework sends zero byte write(10) cmd
5070 5070 * to (Simplified) direct-access devices with
5071 5071 * inquiry version > 2 for reservation changes.
5072 5072 * But some USB devices don't support zero byte
5073 5073 * write(10) even though they have inquiry
5074 5074 * version > 2. Considering scsa2usb driver
5075 5075 * doesn't support reservation and all the
5076 5076 * reservation cmds are being faked, we fake
5077 5077 * the inquiry version to 0 to make scsi
5078 5078 * framework send test unit ready cmd which is
5079 5079 * supported by all the usb devices.
5080 5080 */
5081 5081 if (((dtype == DTYPE_DIRECT) ||
5082 5082 (dtype == DTYPE_RBC)) &&
5083 5083 (inq->inq_ansi > 2)) {
5084 5084 inq->inq_ansi = 0;
5085 5085 }
5086 5086
5087 5087 bzero(&scsa2usbp->scsa2usb_lun_inquiry
5088 5088 [pkt->pkt_address.a_lun],
5089 5089 sizeof (struct scsi_inquiry));
5090 5090 bcopy(data->b_rptr,
5091 5091 &scsa2usbp->scsa2usb_lun_inquiry
5092 5092 [pkt->pkt_address.a_lun], len);
5093 5093 }
5094 5094
5095 5095 USB_DPRINTF_L3(DPRINT_MASK_SCSA,
5096 5096 scsa2usbp->scsa2usb_log_handle,
5097 5097 "scsi inquiry type = 0x%x",
5098 5098 scsa2usbp->scsa2usb_lun_inquiry
5099 5099 [pkt->pkt_address.a_lun].inq_dtype);
5100 5100
5101 5101 cmd->cmd_done = 1;
5102 5102 goto handle_data;
5103 5103
5104 5104 case SCMD_READ_CAPACITY:
5105 5105 cap = (scsa2usb_read_cap_t *)data->b_rptr;
5106 5106
5107 5107 /* Figure out the logical block size */
5108 5108 if ((len >= sizeof (struct scsa2usb_read_cap)) &&
5109 5109 (req->bulk_completion_reason == USB_CR_OK)) {
5110 5110 scsa2usbp->
5111 5111 scsa2usb_lbasize[pkt->pkt_address.a_lun] =
5112 5112 SCSA2USB_MK_32BIT(
5113 5113 cap->scsa2usb_read_cap_blen3,
5114 5114 cap->scsa2usb_read_cap_blen2,
5115 5115 cap->scsa2usb_read_cap_blen1,
5116 5116 cap->scsa2usb_read_cap_blen0);
5117 5117
5118 5118 max_lba = SCSA2USB_MK_32BIT(
5119 5119 cap->scsa2usb_read_cap_lba3,
5120 5120 cap->scsa2usb_read_cap_lba2,
5121 5121 cap->scsa2usb_read_cap_lba1,
5122 5122 cap->scsa2usb_read_cap_lba0);
5123 5123
5124 5124 /*
5125 5125 * Some devices return total logical block
5126 5126 * number instead of highest logical block
5127 5127 * address. Adjust the value by minus 1.
5128 5128 */
5129 5129 if (max_lba > 0 && (scsa2usbp->scsa2usb_attrs &
5130 5130 SCSA2USB_ATTRS_NO_CAP_ADJUST) == 0) {
5131 5131 max_lba -= 1;
5132 5132 cap->scsa2usb_read_cap_lba0 =
5133 5133 (uchar_t)(max_lba & 0xFF);
5134 5134 cap->scsa2usb_read_cap_lba1 =
5135 5135 (uchar_t)(max_lba >> 8 & 0xFF);
5136 5136 cap->scsa2usb_read_cap_lba2 =
5137 5137 (uchar_t)(max_lba >> 16 & 0xFF);
5138 5138 cap->scsa2usb_read_cap_lba3 =
5139 5139 (uchar_t)(max_lba >> 24 & 0xFF);
5140 5140 }
5141 5141
5142 5142 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
5143 5143 scsa2usbp->scsa2usb_log_handle,
5144 5144 "bytes in each logical block=0x%lx,"
5145 5145 "number of total logical blocks=0x%x",
5146 5146 scsa2usbp->
5147 5147 scsa2usb_lbasize[pkt->pkt_address.a_lun],
5148 5148 max_lba + 1);
5149 5149 }
5150 5150 cmd->cmd_done = 1;
5151 5151 goto handle_data;
5152 5152
5153 5153 case SCMD_REQUEST_SENSE:
5154 5154 p = data->b_rptr;
5155 5155 USB_DPRINTF_L2(DPRINT_MASK_SCSA,
5156 5156 scsa2usbp->scsa2usb_log_handle,
5157 5157 "cdb: %x rqsense: "
5158 5158 "%x %x %x %x %x %x %x %x %x %x\n\t"
5159 5159 "%x %x %x %x %x %x %x %x %x %x",
5160 5160 cmd->cmd_cdb[0],
5161 5161 p[0], p[1], p[2], p[3], p[4],
5162 5162 p[5], p[6], p[7], p[8], p[9],
5163 5163 p[10], p[11], p[12], p[13], p[14],
5164 5164 p[15], p[16], p[17], p[18], p[19]);
5165 5165
5166 5166 scsa2usbp->scsa2usb_last_cmd.status = p[2];
5167 5167 cmd->cmd_done = 1;
5168 5168 /* FALLTHROUGH */
5169 5169
5170 5170 default:
5171 5171 handle_data:
5172 5172 if (bp && len && (cmd->cmd_dir == USB_EP_DIR_IN)) {
5173 5173 /*
5174 5174 * we don't have to copy the data, the
5175 5175 * data pointers for the mblk_t for
5176 5176 * the bulk-in xfer points to the
5177 5177 * struct buf * data.
5178 5178 */
5179 5179 cmd->cmd_offset += len;
5180 5180 }
5181 5181
5182 5182 USB_DPRINTF_L3(DPRINT_MASK_SCSA,
5183 5183 scsa2usbp->scsa2usb_log_handle,
5184 5184 "len = 0x%x total = 0x%lx offset = 0x%lx",
5185 5185 len, cmd->cmd_total_xfercount, cmd->cmd_offset);
5186 5186
5187 5187 /*
5188 5188 * update total_xfercount now but it may be
5189 5189 * adjusted after receiving the residue
5190 5190 */
5191 5191 cmd->cmd_total_xfercount -= len;
5192 5192
5193 5193 if ((req->bulk_completion_reason != USB_CR_OK) ||
5194 5194 (cmd->cmd_resid_xfercount != 0) ||
5195 5195 (cmd->cmd_total_xfercount == 0)) {
5196 5196 /* set pkt_resid to total to be sure */
5197 5197 pkt->pkt_resid = cmd->cmd_total_xfercount;
5198 5198 cmd->cmd_done = 1;
5199 5199 }
5200 5200
5201 5201 break;
5202 5202 }
5203 5203 } else {
5204 5204 if (cmd->cmd_dir == USB_EP_DIR_OUT) {
5205 5205 if (cmd->cmd_total_xfercount == 0) {
5206 5206 cmd->cmd_done = 1;
5207 5207 }
5208 5208 }
5209 5209 }
5210 5210 }
5211 5211
5212 5212
5213 5213 /*
5214 5214 * scsa2usb_init_bulk_req:
5215 5215 * Allocate (synchronously) and fill in a bulk-request
5216 5216 */
5217 5217 usb_bulk_req_t *
5218 5218 scsa2usb_init_bulk_req(scsa2usb_state_t *scsa2usbp, size_t length,
5219 5219 uint_t timeout, usb_req_attrs_t attrs, usb_flags_t flags)
5220 5220 {
5221 5221 usb_bulk_req_t *req;
5222 5222
5223 5223 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5224 5224
5225 5225 req = usb_alloc_bulk_req(scsa2usbp->scsa2usb_dip, length,
5226 5226 flags | USB_FLAGS_SLEEP);
5227 5227
5228 5228 req->bulk_len = (uint_t)length; /* xfer length */
5229 5229 req->bulk_timeout = scsa2usb_bulk_timeout(timeout); /* xfer timeout */
5230 5230 req->bulk_attributes = attrs; /* xfer attrs */
5231 5231 req->bulk_client_private = (usb_opaque_t)scsa2usbp; /* statep */
5232 5232
5233 5233 return (req);
5234 5234 }
5235 5235
5236 5236
5237 5237 /*
5238 5238 * scsa2usb_bulk_timeout:
5239 5239 * ensure that bulk requests do not have infinite timeout values
5240 5240 */
5241 5241 int
5242 5242 scsa2usb_bulk_timeout(int timeout)
5243 5243 {
5244 5244 return ((timeout == 0) ? scsa2usb_long_timeout : timeout);
5245 5245 }
5246 5246
5247 5247
5248 5248 /*
5249 5249 * scsa2usb_clear_ept_stall:
5250 5250 * clear endpoint stall and reset pipes
5251 5251 */
5252 5252 int
5253 5253 scsa2usb_clear_ept_stall(scsa2usb_state_t *scsa2usbp, uint_t ept_addr,
5254 5254 usb_pipe_handle_t ph, char *what)
5255 5255 {
5256 5256 int rval;
5257 5257 dev_info_t *dip = scsa2usbp->scsa2usb_dip;
5258 5258
5259 5259 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5260 5260 if (!(SCSA2USB_DEVICE_ACCESS_OK(scsa2usbp))) {
5261 5261
5262 5262 return (USB_FAILURE);
5263 5263 }
5264 5264
5265 5265 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5266 5266 rval = usb_clr_feature(dip, USB_DEV_REQ_RCPT_EP, 0, ept_addr,
5267 5267 USB_FLAGS_SLEEP, NULL, NULL);
5268 5268
5269 5269 usb_pipe_reset(dip, ph, USB_FLAGS_SLEEP, NULL, NULL);
5270 5270
5271 5271 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5272 5272 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5273 5273 "scsa2usb_clear_ept_stall: on %s: ept = 0x%x rval = %d",
5274 5274 what, ept_addr, rval);
5275 5275
5276 5276 return (rval);
5277 5277 }
5278 5278
5279 5279
5280 5280 /*
5281 5281 * scsa2usb_pkt_completion:
5282 5282 * Handle pkt completion.
5283 5283 */
5284 5284 static void
5285 5285 scsa2usb_pkt_completion(scsa2usb_state_t *scsa2usbp, struct scsi_pkt *pkt)
5286 5286 {
5287 5287 scsa2usb_cmd_t *cmd = PKT2CMD(pkt);
5288 5288 size_t len;
5289 5289
5290 5290 ASSERT(pkt);
5291 5291 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5292 5292
5293 5293 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5294 5294 "scsa2usb_pkt_completion:\n\tscsa2usbp = 0x%p "
5295 5295 "reason=%d, status=%d state=0x%x stats=0x%x resid=0x%lx",
5296 5296 (void *)scsa2usbp, pkt->pkt_reason, *(pkt->pkt_scbp),
5297 5297 pkt->pkt_state, pkt->pkt_statistics, pkt->pkt_resid);
5298 5298
5299 5299 if (pkt->pkt_reason == CMD_CMPLT) {
5300 5300 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET |
5301 5301 STATE_SENT_CMD | STATE_GOT_STATUS;
5302 5302 if (cmd->cmd_xfercount) {
5303 5303 pkt->pkt_state |= STATE_XFERRED_DATA;
5304 5304 }
5305 5305 } else {
5306 5306 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET |
5307 5307 STATE_SENT_CMD;
5308 5308 }
5309 5309
5310 5310 /*
5311 5311 * don't zap the current state when in panic as this will
5312 5312 * make debugging harder
5313 5313 */
5314 5314 if ((scsa2usbp->scsa2usb_cur_pkt == pkt) && !ddi_in_panic()) {
5315 5315 SCSA2USB_RESET_CUR_PKT(scsa2usbp);
5316 5316
5317 5317 len = sizeof (scsa2usbp->scsa2usb_last_cmd.cdb);
5318 5318 bzero(scsa2usbp->scsa2usb_last_cmd.cdb, len);
5319 5319
5320 5320 len = (len < cmd->cmd_cdblen) ? len : cmd->cmd_cdblen;
5321 5321 USB_DPRINTF_L3(DPRINT_MASK_SCSA,
5322 5322 scsa2usbp->scsa2usb_log_handle,
5323 5323 "scsa2usb_pkt_completion: save last cmd, len=%ld", len);
5324 5324
5325 5325 /* save the last command */
5326 5326 bcopy(pkt->pkt_cdbp, scsa2usbp->scsa2usb_last_cmd.cdb, len);
5327 5327
5328 5328 /* reset the scsa2usb_last_cmd.status value */
5329 5329 if ((pkt->pkt_cdbp[0] != SCMD_REQUEST_SENSE) &&
5330 5330 (pkt->pkt_cdbp[0] != SCMD_INQUIRY)) {
5331 5331 scsa2usbp->scsa2usb_last_cmd.status = 0;
5332 5332 }
5333 5333
5334 5334 /*
5335 5335 * set pkt state to NONE *before* calling back as the target
5336 5336 * driver will immediately submit the next packet
5337 5337 */
5338 5338 scsa2usbp->scsa2usb_pkt_state = SCSA2USB_PKT_NONE;
5339 5339 }
5340 5340
5341 5341 if (pkt->pkt_comp) {
5342 5342 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5343 5343 scsi_hba_pkt_comp(pkt);
5344 5344 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5345 5345
5346 5346 }
5347 5347 }
5348 5348
5349 5349
5350 5350 /*
5351 5351 * Even handling functions:
5352 5352 *
5353 5353 * scsa2usb_reconnect_event_cb:
5354 5354 * event handling
5355 5355 */
5356 5356 static int
5357 5357 scsa2usb_reconnect_event_cb(dev_info_t *dip)
5358 5358 {
5359 5359 scsa2usb_state_t *scsa2usbp =
5360 5360 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip));
5361 5361 dev_info_t *cdip;
5362 5362 int circ;
5363 5363 int rval = USB_SUCCESS;
5364 5364
5365 5365 ASSERT(scsa2usbp != NULL);
5366 5366
5367 5367 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5368 5368 "scsa2usb_reconnect_event_cb: dip = 0x%p", (void *)dip);
5369 5369
5370 5370 scsa2usb_restore_device_state(dip, scsa2usbp);
5371 5371
5372 5372 USB_DPRINTF_L0(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5373 5373 "Reinserted device is accessible again.");
5374 5374
5375 5375 ndi_devi_enter(dip, &circ);
5376 5376 for (cdip = ddi_get_child(dip); cdip; ) {
5377 5377 dev_info_t *next = ddi_get_next_sibling(cdip);
5378 5378
5379 5379 mutex_enter(&DEVI(cdip)->devi_lock);
5380 5380 DEVI_SET_DEVICE_REINSERTED(cdip);
5381 5381 mutex_exit(&DEVI(cdip)->devi_lock);
5382 5382
5383 5383 cdip = next;
5384 5384 }
5385 5385 ndi_devi_exit(dip, circ);
5386 5386
5387 5387 /* stop suppressing warnings */
5388 5388 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5389 5389 scsa2usbp->scsa2usb_warning_given = B_FALSE;
5390 5390 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5391 5391
5392 5392 if (scsa2usbp->scsa2usb_ugen_hdl) {
5393 5393 rval = usb_ugen_reconnect_ev_cb(
5394 5394 scsa2usbp->scsa2usb_ugen_hdl);
5395 5395 }
5396 5396
5397 5397 return (rval);
5398 5398 }
5399 5399
5400 5400
5401 5401 /*
5402 5402 * scsa2usb_all_waitQs_empty:
5403 5403 * check if all waitQs empty
5404 5404 */
5405 5405 static int
5406 5406 scsa2usb_all_waitQs_empty(scsa2usb_state_t *scsa2usbp)
5407 5407 {
5408 5408 uint_t lun;
5409 5409
5410 5410 for (lun = 0; lun < SCSA2USB_MAX_LUNS; lun++) {
5411 5411 if (usba_list_entry_count(
5412 5412 &scsa2usbp->scsa2usb_waitQ[lun])) {
5413 5413
5414 5414 return (USB_FAILURE);
5415 5415 }
5416 5416 }
5417 5417
5418 5418 return (USB_SUCCESS);
5419 5419 }
5420 5420
5421 5421
5422 5422 /*
5423 5423 * scsa2usb_disconnect_event_cb:
5424 5424 * callback for disconnect events
5425 5425 */
5426 5426 static int
5427 5427 scsa2usb_disconnect_event_cb(dev_info_t *dip)
5428 5428 {
5429 5429 scsa2usb_state_t *scsa2usbp =
5430 5430 ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip));
5431 5431 dev_info_t *cdip;
5432 5432 int circ, i;
5433 5433 int rval = USB_SUCCESS;
5434 5434
5435 5435 ASSERT(scsa2usbp != NULL);
5436 5436
5437 5437 USB_DPRINTF_L4(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5438 5438 "scsa2usb_disconnect_event_cb: dip = 0x%p", (void *)dip);
5439 5439
5440 5440 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5441 5441 scsa2usbp->scsa2usb_dev_state = USB_DEV_DISCONNECTED;
5442 5442
5443 5443 /*
5444 5444 * wait till the work thread is done, carry on regardless
5445 5445 * if not.
5446 5446 */
5447 5447 for (i = 0; i < SCSA2USB_DRAIN_TIMEOUT; i++) {
5448 5448 if ((scsa2usbp->scsa2usb_work_thread_id == NULL) &&
5449 5449 (scsa2usbp->scsa2usb_cur_pkt == NULL) &&
5450 5450 (scsa2usb_all_waitQs_empty(scsa2usbp) ==
5451 5451 USB_SUCCESS)) {
5452 5452
5453 5453 break;
5454 5454 }
5455 5455 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5456 5456 delay(drv_usectohz(1000000));
5457 5457 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5458 5458 }
5459 5459 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5460 5460
5461 5461 ndi_devi_enter(dip, &circ);
5462 5462 for (cdip = ddi_get_child(dip); cdip; ) {
5463 5463 dev_info_t *next = ddi_get_next_sibling(cdip);
5464 5464
5465 5465 mutex_enter(&DEVI(cdip)->devi_lock);
5466 5466 DEVI_SET_DEVICE_REMOVED(cdip);
5467 5467 mutex_exit(&DEVI(cdip)->devi_lock);
5468 5468
5469 5469 cdip = next;
5470 5470 }
5471 5471 ndi_devi_exit(dip, circ);
5472 5472
5473 5473 if (scsa2usbp->scsa2usb_ugen_hdl) {
5474 5474 rval = usb_ugen_disconnect_ev_cb(
5475 5475 scsa2usbp->scsa2usb_ugen_hdl);
5476 5476 }
5477 5477
5478 5478 return (rval);
5479 5479 }
5480 5480
5481 5481
5482 5482 /*
5483 5483 * PM support
5484 5484 *
5485 5485 * scsa2usb_create_pm_components:
5486 5486 * create the pm components required for power management
5487 5487 * no mutex is need when calling USBA interfaces
5488 5488 */
5489 5489 static void
5490 5490 scsa2usb_create_pm_components(dev_info_t *dip, scsa2usb_state_t *scsa2usbp)
5491 5491 {
5492 5492 scsa2usb_power_t *pm;
5493 5493 uint_t pwr_states;
5494 5494
5495 5495 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5496 5496
5497 5497 USB_DPRINTF_L4(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle,
5498 5498 "scsa2usb_create_pm_components: dip = 0x%p, scsa2usbp = 0x%p",
5499 5499 (void *)dip, (void *)scsa2usbp);
5500 5500
5501 5501 /*
5502 5502 * determine if this device is on the blacklist
5503 5503 * or if a conf file entry has disabled PM
5504 5504 */
5505 5505 if ((scsa2usbp->scsa2usb_attrs & SCSA2USB_ATTRS_PM) == 0) {
5506 5506 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle,
5507 5507 "device cannot be power managed");
5508 5508
5509 5509 return;
5510 5510 }
5511 5511
5512 5512 /* Allocate the PM state structure */
5513 5513 pm = kmem_zalloc(sizeof (scsa2usb_power_t), KM_SLEEP);
5514 5514
5515 5515 scsa2usbp->scsa2usb_pm = pm;
5516 5516 pm->scsa2usb_current_power = USB_DEV_OS_FULL_PWR;
5517 5517 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5518 5518
5519 5519 if (usb_create_pm_components(dip, &pwr_states) ==
5520 5520 USB_SUCCESS) {
5521 5521 if (usb_handle_remote_wakeup(dip,
5522 5522 USB_REMOTE_WAKEUP_ENABLE) == USB_SUCCESS) {
5523 5523 pm->scsa2usb_wakeup_enabled = 1;
5524 5524 }
5525 5525
5526 5526 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5527 5527 pm->scsa2usb_pwr_states = (uint8_t)pwr_states;
5528 5528 scsa2usb_raise_power(scsa2usbp);
5529 5529 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5530 5530 }
5531 5531
5532 5532 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5533 5533 }
5534 5534
5535 5535
5536 5536 /*
5537 5537 * scsa2usb_raise_power:
5538 5538 * check if the device is using full power or not
5539 5539 */
5540 5540 static void
5541 5541 scsa2usb_raise_power(scsa2usb_state_t *scsa2usbp)
5542 5542 {
5543 5543 USB_DPRINTF_L4(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle,
5544 5544 "scsa2usb_raise_power:");
5545 5545
5546 5546 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5547 5547
5548 5548 if (scsa2usbp->scsa2usb_pm) {
5549 5549 scsa2usb_pm_busy_component(scsa2usbp);
5550 5550 if (scsa2usbp->scsa2usb_pm->scsa2usb_current_power !=
5551 5551 USB_DEV_OS_FULL_PWR) {
5552 5552 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5553 5553 (void) pm_raise_power(scsa2usbp->scsa2usb_dip,
5554 5554 0, USB_DEV_OS_FULL_PWR);
5555 5555 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5556 5556 }
5557 5557 }
5558 5558 }
5559 5559
5560 5560
5561 5561 /*
5562 5562 * functions to handle power transition for OS levels 0 -> 3
5563 5563 */
5564 5564 static int
5565 5565 scsa2usb_pwrlvl0(scsa2usb_state_t *scsa2usbp)
5566 5566 {
5567 5567 int rval;
5568 5568
5569 5569 switch (scsa2usbp->scsa2usb_dev_state) {
5570 5570 case USB_DEV_ONLINE:
5571 5571 /* Deny the powerdown request if the device is busy */
5572 5572 if (scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy != 0) {
5573 5573
5574 5574 return (USB_FAILURE);
5575 5575 }
5576 5576
5577 5577 /*
5578 5578 * stop polling on interrupt pipe
5579 5579 */
5580 5580 scsa2usb_cbi_stop_intr_polling(scsa2usbp);
5581 5581
5582 5582 /* Issue USB D3 command to the device here */
5583 5583 rval = usb_set_device_pwrlvl3(scsa2usbp->scsa2usb_dip);
5584 5584 ASSERT(rval == USB_SUCCESS);
5585 5585
5586 5586 scsa2usbp->scsa2usb_dev_state = USB_DEV_PWRED_DOWN;
5587 5587
5588 5588 /* FALLTHRU */
5589 5589 case USB_DEV_DISCONNECTED:
5590 5590 case USB_DEV_SUSPENDED:
5591 5591 case USB_DEV_PWRED_DOWN:
5592 5592 default:
5593 5593 scsa2usbp->scsa2usb_pm->scsa2usb_current_power =
5594 5594 USB_DEV_OS_PWR_OFF;
5595 5595
5596 5596 return (USB_SUCCESS);
5597 5597 }
5598 5598 }
5599 5599
5600 5600
5601 5601 static int
5602 5602 scsa2usb_pwrlvl1(scsa2usb_state_t *scsa2usbp)
5603 5603 {
5604 5604 int rval;
5605 5605
5606 5606 /* Issue USB D2 command to the device here */
5607 5607 rval = usb_set_device_pwrlvl2(scsa2usbp->scsa2usb_dip);
5608 5608 ASSERT(rval == USB_SUCCESS);
5609 5609
5610 5610 return (DDI_FAILURE);
5611 5611 }
5612 5612
5613 5613
5614 5614 static int
5615 5615 scsa2usb_pwrlvl2(scsa2usb_state_t *scsa2usbp)
5616 5616 {
5617 5617 int rval;
5618 5618
5619 5619 /* Issue USB D1 command to the device here */
5620 5620 rval = usb_set_device_pwrlvl1(scsa2usbp->scsa2usb_dip);
5621 5621 ASSERT(rval == USB_SUCCESS);
5622 5622
5623 5623 return (DDI_FAILURE);
5624 5624 }
5625 5625
5626 5626
5627 5627 static int
5628 5628 scsa2usb_pwrlvl3(scsa2usb_state_t *scsa2usbp)
5629 5629 {
5630 5630 int rval;
5631 5631
5632 5632 /*
5633 5633 * PM framework tries to put us in full power
5634 5634 * during system shutdown. If we are disconnected
5635 5635 * return success anyways
5636 5636 */
5637 5637 if (scsa2usbp->scsa2usb_dev_state != USB_DEV_DISCONNECTED) {
5638 5638 /* Issue USB D0 command to the device here */
5639 5639 rval = usb_set_device_pwrlvl0(scsa2usbp->scsa2usb_dip);
5640 5640 ASSERT(rval == USB_SUCCESS);
5641 5641
5642 5642 scsa2usbp->scsa2usb_dev_state = USB_DEV_ONLINE;
5643 5643 }
5644 5644 scsa2usbp->scsa2usb_pm->scsa2usb_current_power = USB_DEV_OS_FULL_PWR;
5645 5645
5646 5646 return (DDI_SUCCESS);
5647 5647 }
5648 5648
5649 5649
5650 5650 /*
5651 5651 * scsa2usb_power:
5652 5652 * power entry point
5653 5653 */
5654 5654 /* ARGSUSED */
5655 5655 static int
5656 5656 scsa2usb_power(dev_info_t *dip, int comp, int level)
5657 5657 {
5658 5658 scsa2usb_state_t *scsa2usbp;
5659 5659 scsa2usb_power_t *pm;
5660 5660 int rval = DDI_FAILURE;
5661 5661
5662 5662 scsa2usbp = ddi_get_soft_state(scsa2usb_statep, ddi_get_instance(dip));
5663 5663
5664 5664 USB_DPRINTF_L3(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle,
5665 5665 "scsa2usb_power: Begin scsa2usbp (%p): level = %d",
5666 5666 (void *)scsa2usbp, level);
5667 5667
5668 5668 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5669 5669 if (SCSA2USB_BUSY(scsa2usbp)) {
5670 5670 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle,
5671 5671 "scsa2usb_power: busy");
5672 5672 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5673 5673
5674 5674 return (rval);
5675 5675 }
5676 5676
5677 5677 pm = scsa2usbp->scsa2usb_pm;
5678 5678 if (pm == NULL) {
5679 5679 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle,
5680 5680 "scsa2usb_power: pm NULL");
5681 5681 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5682 5682
5683 5683 return (rval);
5684 5684 }
5685 5685
5686 5686 /* check if we are transitioning to a legal power level */
5687 5687 if (USB_DEV_PWRSTATE_OK(pm->scsa2usb_pwr_states, level)) {
5688 5688 USB_DPRINTF_L2(DPRINT_MASK_PM, scsa2usbp->scsa2usb_log_handle,
5689 5689 "scsa2usb_power: illegal power level = %d "
5690 5690 "pwr_states: %x", level, pm->scsa2usb_pwr_states);
5691 5691 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5692 5692
5693 5693 return (rval);
5694 5694 }
5695 5695
5696 5696 switch (level) {
5697 5697 case USB_DEV_OS_PWR_OFF :
5698 5698 rval = scsa2usb_pwrlvl0(scsa2usbp);
5699 5699 break;
5700 5700 case USB_DEV_OS_PWR_1 :
5701 5701 rval = scsa2usb_pwrlvl1(scsa2usbp);
5702 5702 break;
5703 5703 case USB_DEV_OS_PWR_2 :
5704 5704 rval = scsa2usb_pwrlvl2(scsa2usbp);
5705 5705 break;
5706 5706 case USB_DEV_OS_FULL_PWR :
5707 5707 rval = scsa2usb_pwrlvl3(scsa2usbp);
5708 5708 break;
5709 5709 }
5710 5710
5711 5711 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5712 5712
5713 5713 return ((rval == USB_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
5714 5714 }
5715 5715
5716 5716
5717 5717 static void
5718 5718 scsa2usb_pm_busy_component(scsa2usb_state_t *scsa2usbp)
5719 5719 {
5720 5720 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5721 5721
5722 5722 if (scsa2usbp->scsa2usb_pm) {
5723 5723 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy++;
5724 5724
5725 5725 USB_DPRINTF_L4(DPRINT_MASK_PM,
5726 5726 scsa2usbp->scsa2usb_log_handle,
5727 5727 "scsa2usb_pm_busy_component: %d",
5728 5728 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy);
5729 5729
5730 5730 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5731 5731
5732 5732 if (pm_busy_component(scsa2usbp->scsa2usb_dip, 0) !=
5733 5733 DDI_SUCCESS) {
5734 5734 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5735 5735 ASSERT(scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy > 0);
5736 5736 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy--;
5737 5737
5738 5738 USB_DPRINTF_L2(DPRINT_MASK_PM,
5739 5739 scsa2usbp->scsa2usb_log_handle,
5740 5740 "scsa2usb_pm_busy_component failed: %d",
5741 5741 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy);
5742 5742
5743 5743 return;
5744 5744 }
5745 5745 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5746 5746 }
5747 5747 }
5748 5748
5749 5749
5750 5750 /*
5751 5751 * scsa2usb_pm_idle_component:
5752 5752 * idles the device
5753 5753 */
5754 5754 static void
5755 5755 scsa2usb_pm_idle_component(scsa2usb_state_t *scsa2usbp)
5756 5756 {
5757 5757 ASSERT(!mutex_owned(&scsa2usbp->scsa2usb_mutex));
5758 5758
5759 5759 if (scsa2usbp->scsa2usb_pm) {
5760 5760 if (pm_idle_component(scsa2usbp->scsa2usb_dip, 0) ==
5761 5761 DDI_SUCCESS) {
5762 5762 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5763 5763 ASSERT(scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy > 0);
5764 5764 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy--;
5765 5765
5766 5766 USB_DPRINTF_L4(DPRINT_MASK_PM,
5767 5767 scsa2usbp->scsa2usb_log_handle,
5768 5768 "scsa2usb_pm_idle_component: %d",
5769 5769 scsa2usbp->scsa2usb_pm->scsa2usb_pm_busy);
5770 5770
5771 5771 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5772 5772 }
5773 5773 }
5774 5774 }
5775 5775
5776 5776
5777 5777 #ifdef DEBUG
5778 5778 /*
5779 5779 * scsa2usb_print_cdb:
5780 5780 * prints CDB
5781 5781 */
5782 5782 void
5783 5783 scsa2usb_print_cdb(scsa2usb_state_t *scsa2usbp, scsa2usb_cmd_t *cmd)
5784 5784 {
5785 5785 uchar_t *c = (uchar_t *)&cmd->cmd_cdb;
5786 5786
5787 5787 USB_DPRINTF_L3(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5788 5788 "cmd = 0x%p opcode=%s "
5789 5789 "cdb: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",
5790 5790 (void *)cmd,
5791 5791 scsi_cname(cmd->cmd_cdb[SCSA2USB_OPCODE], scsa2usb_cmds),
5792 5792 c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8],
5793 5793 c[9], c[10], c[11], c[12], c[13], c[14], c[15]);
5794 5794 }
5795 5795 #endif /* DEBUG */
5796 5796
5797 5797
5798 5798 #ifdef SCSA2USB_BULK_ONLY_TEST
5799 5799 /*
5800 5800 * scsa2usb_test_mblk:
5801 5801 * This function sends a dummy data mblk_t to simulate
5802 5802 * the following test cases: 5 and 11.
5803 5803 */
5804 5804 static void
5805 5805 scsa2usb_test_mblk(scsa2usb_state_t *scsa2usbp, boolean_t large)
5806 5806 {
5807 5807 int i, rval;
5808 5808 size_t len;
5809 5809 usb_flags_t flags = USB_FLAGS_SLEEP;
5810 5810 usb_bulk_req_t *req;
5811 5811
5812 5812 ASSERT(mutex_owned(&scsa2usbp->scsa2usb_mutex));
5813 5813
5814 5814 /* should we create a larger mblk? */
5815 5815 len = (large == B_TRUE) ? DEV_BSIZE : USB_BULK_CBWCMD_LEN;
5816 5816
5817 5817 req = scsa2usb_init_bulk_req(scsa2usbp, len,
5818 5818 SCSA2USB_BULK_PIPE_TIMEOUT, 0, flags);
5819 5819
5820 5820 /* fill up the data mblk */
5821 5821 for (i = 0; i < len; i++) {
5822 5822 *req->bulk_data->b_wptr++ = (uchar_t)i;
5823 5823 }
5824 5824
5825 5825 mutex_exit(&scsa2usbp->scsa2usb_mutex);
5826 5826 ASSERT(req->bulk_timeout);
5827 5827 rval = usb_pipe_bulk_xfer(scsa2usbp->scsa2usb_bulkout_pipe, req, flags);
5828 5828 mutex_enter(&scsa2usbp->scsa2usb_mutex);
5829 5829
5830 5830 USB_DPRINTF_L1(DPRINT_MASK_SCSA, scsa2usbp->scsa2usb_log_handle,
5831 5831 "scsa2usb_test_mblk: Sent Data Out rval = 0x%x", rval);
5832 5832
5833 5833 usb_free_bulk_req(req);
5834 5834 }
5835 5835 #endif /* SCSA2USB_BULK_ONLY_TEST */
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