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5045 use atomic_{inc,dec}_* instead of atomic_add_*
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--- old/usr/src/uts/common/io/comstar/port/fct/fct.c
+++ new/usr/src/uts/common/io/comstar/port/fct/fct.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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
23 23 * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
24 24 */
25 25
26 26 #include <sys/conf.h>
27 27 #include <sys/file.h>
28 28 #include <sys/ddi.h>
29 29 #include <sys/sunddi.h>
30 30 #include <sys/modctl.h>
31 31 #include <sys/scsi/scsi.h>
32 32 #include <sys/scsi/impl/scsi_reset_notify.h>
33 33 #include <sys/disp.h>
34 34 #include <sys/byteorder.h>
35 35 #include <sys/varargs.h>
36 36 #include <sys/atomic.h>
37 37 #include <sys/sdt.h>
38 38
39 39 #include <sys/stmf.h>
40 40 #include <sys/stmf_ioctl.h>
41 41 #include <sys/portif.h>
42 42 #include <sys/fct.h>
43 43 #include <sys/fctio.h>
44 44
45 45 #include "fct_impl.h"
46 46 #include "discovery.h"
47 47
48 48 static int fct_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
49 49 static int fct_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
50 50 static int fct_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg,
51 51 void **result);
52 52 static int fct_open(dev_t *devp, int flag, int otype, cred_t *credp);
53 53 static int fct_close(dev_t dev, int flag, int otype, cred_t *credp);
54 54 static int fct_ioctl(dev_t dev, int cmd, intptr_t data, int mode,
55 55 cred_t *credp, int *rval);
56 56 static int fct_fctiocmd(intptr_t data, int mode);
57 57 void fct_init_kstats(fct_i_local_port_t *iport);
58 58
59 59 static dev_info_t *fct_dip;
60 60 static struct cb_ops fct_cb_ops = {
61 61 fct_open, /* open */
62 62 fct_close, /* close */
63 63 nodev, /* strategy */
64 64 nodev, /* print */
65 65 nodev, /* dump */
66 66 nodev, /* read */
67 67 nodev, /* write */
68 68 fct_ioctl, /* ioctl */
69 69 nodev, /* devmap */
70 70 nodev, /* mmap */
71 71 nodev, /* segmap */
72 72 nochpoll, /* chpoll */
73 73 ddi_prop_op, /* cb_prop_op */
74 74 0, /* streamtab */
75 75 D_NEW | D_MP, /* cb_flag */
76 76 CB_REV, /* rev */
77 77 nodev, /* aread */
78 78 nodev /* awrite */
79 79 };
80 80
81 81 static struct dev_ops fct_ops = {
82 82 DEVO_REV,
83 83 0,
84 84 fct_getinfo,
85 85 nulldev, /* identify */
86 86 nulldev, /* probe */
87 87 fct_attach,
88 88 fct_detach,
89 89 nodev, /* reset */
90 90 &fct_cb_ops,
91 91 NULL, /* bus_ops */
92 92 NULL /* power */
93 93 };
94 94
95 95 #define FCT_NAME "COMSTAR FCT"
96 96 #define FCT_MODULE_NAME "fct"
97 97
98 98 extern struct mod_ops mod_driverops;
99 99 static struct modldrv modldrv = {
100 100 &mod_driverops,
101 101 FCT_NAME,
102 102 &fct_ops
103 103 };
104 104
105 105 static struct modlinkage modlinkage = {
106 106 MODREV_1,
107 107 &modldrv,
108 108 NULL
109 109 };
110 110
111 111 static uint32_t rportid_table_size = FCT_HASH_TABLE_SIZE;
112 112 static int max_cached_ncmds = FCT_MAX_CACHED_CMDS;
113 113 static fct_i_local_port_t *fct_iport_list = NULL;
114 114 static kmutex_t fct_global_mutex;
115 115 uint32_t fct_rscn_options = RSCN_OPTION_VERIFY;
116 116
117 117 int
118 118 _init(void)
119 119 {
120 120 int ret;
121 121
122 122 ret = mod_install(&modlinkage);
123 123 if (ret)
124 124 return (ret);
125 125 /* XXX */
126 126 mutex_init(&fct_global_mutex, NULL, MUTEX_DRIVER, NULL);
127 127 return (ret);
128 128 }
129 129
130 130 int
131 131 _fini(void)
132 132 {
133 133 int ret;
134 134
135 135 ret = mod_remove(&modlinkage);
136 136 if (ret)
137 137 return (ret);
138 138 /* XXX */
139 139 mutex_destroy(&fct_global_mutex);
140 140 return (ret);
141 141 }
142 142
143 143 int
144 144 _info(struct modinfo *modinfop)
145 145 {
146 146 return (mod_info(&modlinkage, modinfop));
147 147 }
148 148
149 149 /* ARGSUSED */
150 150 static int
151 151 fct_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result)
152 152 {
153 153 switch (cmd) {
154 154 case DDI_INFO_DEVT2DEVINFO:
155 155 *result = fct_dip;
156 156 break;
157 157 case DDI_INFO_DEVT2INSTANCE:
158 158 *result = (void *)(uintptr_t)ddi_get_instance(fct_dip);
159 159 break;
160 160 default:
161 161 return (DDI_FAILURE);
162 162 }
163 163
164 164 return (DDI_SUCCESS);
165 165 }
166 166
167 167 static int
168 168 fct_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
169 169 {
170 170 switch (cmd) {
171 171 case DDI_ATTACH:
172 172 fct_dip = dip;
173 173
174 174 if (ddi_create_minor_node(dip, "admin", S_IFCHR, 0,
175 175 DDI_NT_STMF_PP, 0) != DDI_SUCCESS) {
176 176 break;
177 177 }
178 178 ddi_report_dev(dip);
179 179 return (DDI_SUCCESS);
180 180 }
181 181
182 182 return (DDI_FAILURE);
183 183 }
184 184
185 185 static int
186 186 fct_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
187 187 {
188 188 switch (cmd) {
189 189 case DDI_DETACH:
190 190 ddi_remove_minor_node(dip, 0);
191 191 return (DDI_SUCCESS);
192 192 }
193 193
194 194 return (DDI_FAILURE);
195 195 }
196 196
197 197 /* ARGSUSED */
198 198 static int
199 199 fct_open(dev_t *devp, int flag, int otype, cred_t *credp)
200 200 {
201 201 if (otype != OTYP_CHR)
202 202 return (EINVAL);
203 203 return (0);
204 204 }
205 205
206 206 /* ARGSUSED */
207 207 static int
208 208 fct_close(dev_t dev, int flag, int otype, cred_t *credp)
209 209 {
210 210 return (0);
211 211 }
212 212
213 213 /* ARGSUSED */
214 214 static int
215 215 fct_ioctl(dev_t dev, int cmd, intptr_t data, int mode,
216 216 cred_t *credp, int *rval)
217 217 {
218 218 int ret = 0;
219 219
220 220 if ((cmd & 0xff000000) != FCT_IOCTL) {
221 221 return (ENOTTY);
222 222 }
223 223
224 224 if (drv_priv(credp) != 0) {
225 225 return (EPERM);
226 226 }
227 227
228 228 switch (cmd) {
229 229 case FCTIO_CMD:
230 230 ret = fct_fctiocmd(data, mode);
231 231 break;
232 232 default:
233 233 ret = ENOTTY;
234 234 break;
235 235 }
236 236
237 237 return (ret);
238 238 }
239 239
240 240 int
241 241 fct_copyin_iocdata(intptr_t data, int mode, fctio_t **fctio,
242 242 void **ibuf, void **abuf, void **obuf)
243 243 {
244 244 int ret = 0;
245 245
246 246 *ibuf = NULL;
247 247 *abuf = NULL;
248 248 *obuf = NULL;
249 249 *fctio = kmem_zalloc(sizeof (fctio_t), KM_SLEEP);
250 250 if (ddi_copyin((void *)data, *fctio, sizeof (fctio_t), mode)) {
251 251 ret = EFAULT;
252 252 goto copyin_iocdata_done;
253 253 }
254 254
255 255 if ((*fctio)->fctio_ilen) {
256 256 *ibuf = kmem_zalloc((*fctio)->fctio_ilen, KM_SLEEP);
257 257 if (ddi_copyin((void *)(unsigned long)(*fctio)->fctio_ibuf,
258 258 *ibuf, (*fctio)->fctio_ilen, mode)) {
259 259 ret = EFAULT;
260 260 goto copyin_iocdata_done;
261 261 }
262 262 }
263 263 if ((*fctio)->fctio_alen) {
264 264 *abuf = kmem_zalloc((*fctio)->fctio_alen, KM_SLEEP);
265 265 if (ddi_copyin((void *)(unsigned long)(*fctio)->fctio_abuf,
266 266 *abuf, (*fctio)->fctio_alen, mode)) {
267 267 ret = EFAULT;
268 268 goto copyin_iocdata_done;
269 269 }
270 270 }
271 271 if ((*fctio)->fctio_olen)
272 272 *obuf = kmem_zalloc((*fctio)->fctio_olen, KM_SLEEP);
273 273 if (ret == 0)
274 274 return (0);
275 275 ret = EFAULT;
276 276 copyin_iocdata_done:
277 277 if (*obuf) {
278 278 kmem_free(*obuf, (*fctio)->fctio_olen);
279 279 *obuf = NULL;
280 280 }
281 281 if (*abuf) {
282 282 kmem_free(*abuf, (*fctio)->fctio_alen);
283 283 *abuf = NULL;
284 284 }
285 285 if (*ibuf) {
286 286 kmem_free(*ibuf, (*fctio)->fctio_ilen);
287 287 *ibuf = NULL;
288 288 }
289 289 kmem_free(*fctio, sizeof (fctio_t));
290 290 return (ret);
291 291 }
292 292
293 293 int
294 294 fct_copyout_iocdata(intptr_t data, int mode, fctio_t *fctio, void *obuf)
295 295 {
296 296 int ret = 0;
297 297
298 298 if (fctio->fctio_olen) {
299 299 ret = ddi_copyout(obuf,
300 300 (void *)(unsigned long)fctio->fctio_obuf, fctio->fctio_olen,
301 301 mode);
302 302 if (ret) {
303 303 return (EFAULT);
304 304 }
305 305 }
306 306 ret = ddi_copyout(fctio, (void *)data, sizeof (fctio_t), mode);
307 307 if (ret) {
308 308 return (EFAULT);
309 309 }
310 310 return (0);
311 311 }
312 312
313 313 int
314 314 fct_get_port_list(char *pathList, int count)
315 315 {
316 316 fct_i_local_port_t *iport;
317 317 int i = 0, maxPorts = 0;
318 318
319 319 ASSERT(pathList != NULL);
320 320
321 321 mutex_enter(&fct_global_mutex);
322 322 for (iport = fct_iport_list; iport; iport = iport->iport_next) {
323 323 if (i < count)
324 324 bcopy(iport->iport_port->port_pwwn,
325 325 pathList + 8 * i, 8);
326 326 maxPorts ++;
327 327 i++;
328 328 }
329 329 mutex_exit(&fct_global_mutex);
330 330 return (maxPorts);
331 331 }
332 332
333 333 /* invoked with fct_global_mutex locked */
334 334 fct_i_local_port_t *
335 335 fct_get_iport_per_wwn(uint8_t *pwwn)
336 336 {
337 337 fct_i_local_port_t *iport;
338 338
339 339 ASSERT(mutex_owned(&fct_global_mutex));
340 340 for (iport = fct_iport_list; iport; iport = iport->iport_next) {
341 341 if (bcmp(iport->iport_port->port_pwwn, pwwn, 8) == 0)
342 342 return (iport);
343 343 }
344 344 return (NULL);
345 345 }
346 346
347 347 int
348 348 fct_get_adapter_attr(uint8_t *pwwn, fc_tgt_hba_adapter_attributes_t *hba_attr,
349 349 uint32_t *err_detail)
350 350 {
351 351 fct_i_local_port_t *iport;
352 352 fct_port_attrs_t *attr;
353 353
354 354 hba_attr->version = FCT_HBA_ADAPTER_ATTRIBUTES_VERSION;
355 355 iport = fct_get_iport_per_wwn(pwwn);
356 356 if (!iport) {
357 357 *err_detail = FCTIO_BADWWN;
358 358 return (ENXIO);
359 359 }
360 360
361 361 attr = (fct_port_attrs_t *)kmem_zalloc(sizeof (fct_port_attrs_t),
362 362 KM_SLEEP);
363 363 mutex_exit(&fct_global_mutex);
364 364 iport->iport_port->port_populate_hba_details(iport->iport_port, attr);
365 365 mutex_enter(&fct_global_mutex);
366 366
367 367 bcopy(attr->manufacturer, hba_attr->Manufacturer,
368 368 sizeof (hba_attr->Manufacturer));
369 369 bcopy(attr->serial_number, hba_attr->SerialNumber,
370 370 sizeof (hba_attr->SerialNumber));
371 371 bcopy(attr->model, hba_attr->Model, sizeof (hba_attr->Model));
372 372 bcopy(attr->model_description, hba_attr->ModelDescription,
373 373 sizeof (hba_attr->ModelDescription));
374 374 if (iport->iport_port->port_sym_node_name)
375 375 bcopy(iport->iport_port->port_sym_node_name,
376 376 hba_attr->NodeSymbolicName,
377 377 strlen(iport->iport_port->port_sym_node_name));
378 378 else
379 379 bcopy(utsname.nodename, hba_attr->NodeSymbolicName,
380 380 strlen(utsname.nodename));
381 381 bcopy(attr->hardware_version, hba_attr->HardwareVersion,
382 382 sizeof (hba_attr->HardwareVersion));
383 383 bcopy(attr->option_rom_version, hba_attr->OptionROMVersion,
384 384 sizeof (hba_attr->OptionROMVersion));
385 385 bcopy(attr->firmware_version, hba_attr->FirmwareVersion,
386 386 sizeof (hba_attr->FirmwareVersion));
387 387 hba_attr->VendorSpecificID = attr->vendor_specific_id;
388 388 bcopy(iport->iport_port->port_nwwn, hba_attr->NodeWWN,
389 389 sizeof (hba_attr->NodeWWN));
390 390
391 391 bcopy(attr->driver_name, hba_attr->DriverName,
392 392 sizeof (hba_attr->DriverName));
393 393 bcopy(attr->driver_version, hba_attr->DriverVersion,
394 394 sizeof (hba_attr->DriverVersion));
395 395
396 396
397 397 /* hba_attr->NumberOfPorts = fct_count_fru_ports(iport); */
398 398 hba_attr->NumberOfPorts = 1;
399 399
400 400 kmem_free(attr, sizeof (fct_port_attrs_t));
401 401 return (0);
402 402 }
403 403
404 404 int
405 405 fct_get_adapter_port_attr(fct_i_local_port_t *ilport, uint8_t *pwwn,
406 406 fc_tgt_hba_port_attributes_t *port_attr, uint32_t *err_detail)
407 407 {
408 408 fct_i_local_port_t *iport = ilport;
409 409 fct_i_remote_port_t *irp = NULL;
410 410 fct_port_attrs_t *attr;
411 411 int i = 0;
412 412
413 413 port_attr->version = FCT_HBA_PORT_ATTRIBUTES_VERSION;
414 414
415 415 if (!ilport) {
416 416 iport = fct_get_iport_per_wwn(pwwn);
417 417 if (!iport) {
418 418 *err_detail = FCTIO_BADWWN;
419 419 return (ENXIO);
420 420 }
421 421 }
422 422
423 423 attr = (fct_port_attrs_t *)kmem_zalloc(sizeof (fct_port_attrs_t),
424 424 KM_SLEEP);
425 425 mutex_exit(&fct_global_mutex);
426 426 iport->iport_port->port_populate_hba_details(iport->iport_port, attr);
427 427 mutex_enter(&fct_global_mutex);
428 428
429 429 port_attr->lastChange = iport->iport_last_change;
430 430 bcopy(iport->iport_port->port_nwwn, port_attr->NodeWWN,
431 431 sizeof (port_attr->NodeWWN));
432 432 bcopy(iport->iport_port->port_pwwn, port_attr->PortWWN,
433 433 sizeof (port_attr->PortWWN));
434 434 bzero(port_attr->FabricName, sizeof (port_attr->FabricName));
435 435 port_attr->PortFcId = iport->iport_link_info.portid;
436 436 if ((iport->iport_link_state & S_LINK_ONLINE) ||
437 437 (iport->iport_link_state & S_RCVD_LINK_UP)) {
438 438 port_attr->PortState = FC_HBA_PORTSTATE_ONLINE;
439 439 } else {
440 440 port_attr->PortState = FC_HBA_PORTSTATE_OFFLINE;
441 441 }
442 442 switch (iport->iport_link_info.port_topology) {
443 443 case PORT_TOPOLOGY_PT_TO_PT:
444 444 port_attr->PortType = FC_HBA_PORTTYPE_PTP;
445 445 break;
446 446 case PORT_TOPOLOGY_PRIVATE_LOOP:
447 447 port_attr->PortType = FC_HBA_PORTTYPE_LPORT;
448 448 break;
449 449 case PORT_TOPOLOGY_PUBLIC_LOOP:
450 450 port_attr->PortType = FC_HBA_PORTTYPE_NLPORT;
451 451 break;
452 452 case PORT_TOPOLOGY_FABRIC_PT_TO_PT:
453 453 port_attr->PortType = FC_HBA_PORTTYPE_FPORT;
454 454 break;
455 455 default:
456 456 port_attr->PortType = FC_HBA_PORTTYPE_UNKNOWN;
457 457 break;
458 458 }
459 459 port_attr->PortSupportedClassofService = attr->supported_cos;
460 460 port_attr->PortSupportedFc4Types[0] = 0;
461 461 port_attr->PortActiveFc4Types[2] = 1;
462 462 if (iport->iport_port->port_sym_port_name)
463 463 bcopy(iport->iport_port->port_sym_port_name,
464 464 port_attr->PortSymbolicName,
465 465 strlen(iport->iport_port->port_sym_port_name));
466 466 else if (iport->iport_port->port_default_alias)
467 467 bcopy(iport->iport_port->port_default_alias,
468 468 port_attr->PortSymbolicName,
469 469 strlen(iport->iport_port->port_default_alias));
470 470 else
471 471 port_attr->PortSymbolicName[0] = 0;
472 472 /* the definition is different so need to translate */
473 473 if (attr->supported_speed & PORT_SPEED_1G)
474 474 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_1GBIT;
475 475 if (attr->supported_speed & PORT_SPEED_2G)
476 476 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_2GBIT;
477 477 if (attr->supported_speed & PORT_SPEED_4G)
478 478 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_4GBIT;
479 479 if (attr->supported_speed & PORT_SPEED_8G)
480 480 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_8GBIT;
481 481 if (attr->supported_speed & PORT_SPEED_10G)
482 482 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_10GBIT;
483 483 switch (iport->iport_link_info.port_speed) {
484 484 case PORT_SPEED_1G:
485 485 port_attr->PortSpeed = FC_HBA_PORTSPEED_1GBIT;
486 486 break;
487 487 case PORT_SPEED_2G:
488 488 port_attr->PortSpeed = FC_HBA_PORTSPEED_2GBIT;
489 489 break;
490 490 case PORT_SPEED_4G:
491 491 port_attr->PortSpeed = FC_HBA_PORTSPEED_4GBIT;
492 492 break;
493 493 case PORT_SPEED_8G:
494 494 port_attr->PortSpeed = FC_HBA_PORTSPEED_8GBIT;
495 495 break;
496 496 case PORT_SPEED_10G:
497 497 port_attr->PortSpeed = FC_HBA_PORTSPEED_10GBIT;
498 498 break;
499 499 default:
500 500 port_attr->PortSpeed = FC_HBA_PORTSPEED_UNKNOWN;
501 501 break;
502 502 }
503 503 port_attr->PortMaxFrameSize = attr->max_frame_size;
504 504 rw_enter(&iport->iport_lock, RW_READER);
505 505 port_attr->NumberofDiscoveredPorts = iport->iport_nrps_login;
506 506 for (; i < iport->iport_port->port_max_logins; i++) {
507 507 irp = iport->iport_rp_slots[i];
508 508 if (irp && irp->irp_flags & IRP_PLOGI_DONE) {
509 509 if (FC_WELL_KNOWN_ADDR(irp->irp_portid))
510 510 port_attr->NumberofDiscoveredPorts --;
511 511 }
512 512 }
513 513 rw_exit(&iport->iport_lock);
514 514
515 515 kmem_free(attr, sizeof (fct_port_attrs_t));
516 516
517 517 return (0);
518 518 }
519 519
520 520 int
521 521 fct_get_discovered_port_attr(fct_i_remote_port_t *remote_port,
522 522 uint8_t *port_wwn, uint32_t index, fc_tgt_hba_port_attributes_t *port_attr,
523 523 uint32_t *error_detail)
524 524 {
525 525 fct_i_local_port_t *iport;
526 526 fct_i_remote_port_t *irp = remote_port;
527 527 int count = 0, i = 0;
528 528
529 529 port_attr->version = FCT_HBA_PORT_ATTRIBUTES_VERSION;
530 530 if (!remote_port) {
531 531 iport = fct_get_iport_per_wwn(port_wwn);
532 532 if (!iport) {
533 533 *error_detail = FCTIO_BADWWN;
534 534 return (ENXIO);
535 535 }
536 536
537 537 rw_enter(&iport->iport_lock, RW_READER);
538 538
539 539 if (index >= iport->iport_nrps_login) {
540 540 rw_exit(&iport->iport_lock);
541 541 *error_detail = FCTIO_OUTOFBOUNDS;
542 542 return (EINVAL);
543 543 }
544 544 for (; i < iport->iport_port->port_max_logins; i++) {
545 545 irp = iport->iport_rp_slots[i];
546 546 if (irp && irp->irp_flags & IRP_PLOGI_DONE &&
547 547 !FC_WELL_KNOWN_ADDR(irp->irp_portid)) {
548 548 count ++;
549 549 if ((index + 1) <= count)
550 550 break;
551 551 }
552 552 }
553 553 if (i >= iport->iport_port->port_max_logins) {
554 554 rw_exit(&iport->iport_lock);
555 555 *error_detail = FCTIO_OUTOFBOUNDS;
556 556 return (EINVAL);
557 557 }
558 558 ASSERT(irp);
559 559 } else {
560 560 iport = (fct_i_local_port_t *)
561 561 irp->irp_rp->rp_port->port_fct_private;
562 562 }
563 563 port_attr->lastChange = iport->iport_last_change;
564 564 rw_enter(&irp->irp_lock, RW_READER);
565 565 bcopy(irp->irp_rp->rp_pwwn, port_attr->PortWWN,
566 566 sizeof (port_attr->PortWWN));
567 567 bcopy(irp->irp_rp->rp_nwwn, port_attr->NodeWWN,
568 568 sizeof (port_attr->NodeWWN));
569 569 port_attr->PortFcId = irp->irp_portid;
570 570 if (irp->irp_spn)
571 571 (void) strncpy(port_attr->PortSymbolicName, irp->irp_spn,
572 572 strlen(irp->irp_spn));
573 573 else
574 574 port_attr->PortSymbolicName[0] = '\0';
575 575 port_attr->PortSupportedClassofService = irp->irp_cos;
576 576 bcopy((caddr_t)irp->irp_fc4types, port_attr->PortActiveFc4Types,
577 577 sizeof (irp->irp_fc4types));
578 578 bcopy((caddr_t)irp->irp_fc4types, port_attr->PortSupportedFc4Types,
579 579 sizeof (irp->irp_fc4types));
580 580 if (irp->irp_flags & IRP_PLOGI_DONE)
581 581 port_attr->PortState = FC_HBA_PORTSTATE_ONLINE;
582 582 else
583 583 port_attr->PortState = FC_HBA_PORTSTATE_UNKNOWN;
584 584
585 585 port_attr->PortType = FC_HBA_PORTTYPE_UNKNOWN;
586 586 port_attr->PortSupportedSpeed = FC_HBA_PORTSPEED_UNKNOWN;
587 587 port_attr->PortSpeed = FC_HBA_PORTSPEED_UNKNOWN;
588 588 port_attr->PortMaxFrameSize = 0;
589 589 port_attr->NumberofDiscoveredPorts = 0;
590 590 rw_exit(&irp->irp_lock);
591 591 if (!remote_port) {
592 592 rw_exit(&iport->iport_lock);
593 593 }
594 594 return (0);
595 595 }
596 596
597 597 int
598 598 fct_get_port_attr(uint8_t *port_wwn,
599 599 fc_tgt_hba_port_attributes_t *port_attr, uint32_t *error_detail)
600 600 {
601 601 fct_i_local_port_t *iport;
602 602 fct_i_remote_port_t *irp;
603 603 int i, ret;
604 604
605 605 iport = fct_get_iport_per_wwn(port_wwn);
606 606 if (iport) {
607 607 return (fct_get_adapter_port_attr(iport, port_wwn,
608 608 port_attr, error_detail));
609 609 }
610 610 /* else */
611 611 for (iport = fct_iport_list; iport; iport = iport->iport_next) {
612 612 rw_enter(&iport->iport_lock, RW_READER);
613 613 for (i = 0; i < rportid_table_size; i++) {
614 614 irp = iport->iport_rp_tb[i];
615 615 while (irp) {
616 616 if (bcmp(irp->irp_rp->rp_pwwn,
617 617 port_wwn, 8) == 0 &&
618 618 irp->irp_flags & IRP_PLOGI_DONE) {
619 619 ret = fct_get_discovered_port_attr(
620 620 irp, NULL, 0, port_attr,
621 621 error_detail);
622 622 rw_exit(&iport->iport_lock);
623 623 return (ret);
624 624 }
625 625 irp = irp->irp_next;
626 626 }
627 627 }
628 628 rw_exit(&iport->iport_lock);
629 629 }
630 630 *error_detail = FCTIO_BADWWN;
631 631 return (ENXIO);
632 632 }
633 633
634 634 /* ARGSUSED */
635 635 int
636 636 fct_get_port_stats(uint8_t *port_wwn,
637 637 fc_tgt_hba_adapter_port_stats_t *port_stats, uint32_t *error_detail)
638 638 {
639 639 int ret;
640 640 fct_i_local_port_t *iport = fct_get_iport_per_wwn(port_wwn);
641 641 fct_port_link_status_t stat;
642 642 uint32_t buf_size = sizeof (fc_tgt_hba_adapter_port_stats_t);
643 643
644 644 if (!iport)
645 645 return (ENXIO);
646 646 port_stats->version = FCT_HBA_ADAPTER_PORT_STATS_VERSION;
647 647
648 648 if (iport->iport_port->port_info == NULL) {
649 649 *error_detail = FCTIO_FAILURE;
650 650 return (EIO);
651 651 }
652 652 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS,
653 653 iport->iport_port, NULL, (uint8_t *)&stat, &buf_size);
654 654 if (ret != STMF_SUCCESS) {
655 655 *error_detail = FCTIO_FAILURE;
656 656 return (EIO);
657 657 }
658 658
659 659 port_stats->SecondsSinceLastReset = 0;
660 660 port_stats->TxFrames = 0;
661 661 port_stats->TxWords = 0;
662 662 port_stats->RxFrames = 0;
663 663 port_stats->RxWords = 0;
664 664 port_stats->LIPCount = 0;
665 665 port_stats->NOSCount = 0;
666 666 port_stats->ErrorFrames = 0;
667 667 port_stats->DumpedFrames = 0;
668 668 port_stats->LinkFailureCount = stat.LinkFailureCount;
669 669 port_stats->LossOfSyncCount = stat.LossOfSyncCount;
670 670 port_stats->LossOfSignalCount = stat.LossOfSignalsCount;
671 671 port_stats->PrimitiveSeqProtocolErrCount =
672 672 stat.PrimitiveSeqProtocolErrorCount;
673 673 port_stats->InvalidTxWordCount =
674 674 stat.InvalidTransmissionWordCount;
675 675 port_stats->InvalidCRCCount = stat.InvalidCRCCount;
676 676
677 677 return (ret);
678 678 }
679 679
680 680 int
681 681 fct_get_link_status(uint8_t *port_wwn, uint64_t *dest_id,
682 682 fct_port_link_status_t *link_status, uint32_t *error_detail)
683 683 {
684 684 fct_i_local_port_t *iport = fct_get_iport_per_wwn(port_wwn);
685 685 fct_i_remote_port_t *irp = NULL;
686 686 uint32_t buf_size = sizeof (fct_port_link_status_t);
687 687 stmf_status_t ret = 0;
688 688 int i;
689 689 fct_cmd_t *cmd = NULL;
690 690
691 691 if (!iport) {
692 692 *error_detail = FCTIO_BADWWN;
693 693 return (ENXIO);
694 694 }
695 695
696 696 /*
697 697 * If what we are requesting is zero or same as local port,
698 698 * then we use port_info()
699 699 */
700 700 if (dest_id == NULL || *dest_id == iport->iport_link_info.portid) {
701 701 if (iport->iport_port->port_info == NULL) {
702 702 *error_detail = FCTIO_FAILURE;
703 703 return (EIO);
704 704 }
705 705 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS,
706 706 iport->iport_port, NULL,
707 707 (uint8_t *)link_status, &buf_size);
708 708 if (ret == STMF_SUCCESS) {
709 709 return (0);
710 710 } else {
711 711 *error_detail = FCTIO_FAILURE;
712 712 return (EIO);
713 713 }
714 714 }
715 715
716 716 /*
717 717 * For remote port, we will send RLS
718 718 */
719 719 for (i = 0; i < rportid_table_size; i++) {
720 720 irp = iport->iport_rp_tb[i];
721 721 while (irp) {
722 722 if (irp->irp_rp->rp_id == *dest_id &&
723 723 irp->irp_flags & IRP_PLOGI_DONE) {
724 724 goto SEND_RLS_ELS;
725 725 }
726 726 irp = irp->irp_next;
727 727 }
728 728 }
729 729 return (ENXIO);
730 730
731 731 SEND_RLS_ELS:
732 732 cmd = fct_create_solels(iport->iport_port,
733 733 irp->irp_rp, 0, ELS_OP_RLS,
734 734 0, fct_rls_cb);
735 735 if (!cmd)
736 736 return (ENOMEM);
737 737 iport->iport_rls_cb_data.fct_link_status = link_status;
738 738 CMD_TO_ICMD(cmd)->icmd_cb_private = &iport->iport_rls_cb_data;
739 739 fct_post_to_solcmd_queue(iport->iport_port, cmd);
740 740 sema_p(&iport->iport_rls_sema);
741 741 if (iport->iport_rls_cb_data.fct_els_res != FCT_SUCCESS)
742 742 ret = EIO;
743 743 return (ret);
744 744 }
745 745
746 746 static int
747 747 fct_forcelip(uint8_t *port_wwn, uint32_t *fctio_errno)
748 748 {
749 749 fct_status_t rval;
750 750 fct_i_local_port_t *iport;
751 751
752 752 mutex_enter(&fct_global_mutex);
753 753 iport = fct_get_iport_per_wwn(port_wwn);
754 754 mutex_exit(&fct_global_mutex);
755 755 if (iport == NULL) {
756 756 return (-1);
757 757 }
758 758
759 759 iport->iport_port->port_ctl(iport->iport_port,
760 760 FCT_CMD_FORCE_LIP, &rval);
761 761 if (rval != FCT_SUCCESS) {
762 762 *fctio_errno = FCTIO_FAILURE;
763 763 } else {
764 764 *fctio_errno = 0;
765 765 }
766 766
767 767 return (0);
768 768 }
769 769
770 770 static int
771 771 fct_fctiocmd(intptr_t data, int mode)
772 772 {
773 773 int ret = 0;
774 774 void *ibuf = NULL;
775 775 void *obuf = NULL;
776 776 void *abuf = NULL;
777 777 fctio_t *fctio;
778 778 uint32_t attr_length;
779 779
780 780 ret = fct_copyin_iocdata(data, mode, &fctio, &ibuf, &abuf, &obuf);
781 781 if (ret) {
782 782 return (ret);
783 783 }
784 784
785 785 switch (fctio->fctio_cmd) {
786 786 case FCTIO_ADAPTER_LIST: {
787 787 fc_tgt_hba_list_t *list = (fc_tgt_hba_list_t *)obuf;
788 788 int count;
789 789
790 790 if (fctio->fctio_olen < sizeof (fc_tgt_hba_list_t)) {
791 791 ret = EINVAL;
792 792 break;
793 793 }
794 794 list->numPorts = (fctio->fctio_olen -
795 795 sizeof (fc_tgt_hba_list_t))/8 + 1;
796 796
797 797 list->version = FCT_HBA_LIST_VERSION;
798 798 count = fct_get_port_list((char *)list->port_wwn,
799 799 list->numPorts);
800 800 if (count < 0) {
801 801 ret = ENXIO;
802 802 break;
803 803 }
804 804 if (count > list->numPorts) {
805 805 fctio->fctio_errno = FCTIO_MOREDATA;
806 806 ret = ENOSPC;
807 807 }
808 808 list->numPorts = count;
809 809 break;
810 810 }
811 811 case FCTIO_GET_ADAPTER_ATTRIBUTES: {
812 812 fc_tgt_hba_adapter_attributes_t *hba_attr;
813 813 uint8_t *port_wwn = (uint8_t *)ibuf;
814 814
815 815 attr_length = sizeof (fc_tgt_hba_adapter_attributes_t);
816 816 if (fctio->fctio_olen < attr_length ||
817 817 fctio->fctio_xfer != FCTIO_XFER_READ) {
818 818 ret = EINVAL;
819 819 break;
820 820 }
821 821 hba_attr = (fc_tgt_hba_adapter_attributes_t *)obuf;
822 822
823 823 mutex_enter(&fct_global_mutex);
824 824 ret = fct_get_adapter_attr(port_wwn, hba_attr,
825 825 &fctio->fctio_errno);
826 826 mutex_exit(&fct_global_mutex);
827 827
828 828 break;
829 829 }
830 830 case FCTIO_GET_ADAPTER_PORT_ATTRIBUTES: {
831 831 fc_tgt_hba_port_attributes_t *port_attr;
832 832
833 833 uint8_t *port_wwn = (uint8_t *)ibuf;
834 834
835 835 attr_length = sizeof (fc_tgt_hba_port_attributes_t);
836 836 if (fctio->fctio_olen < attr_length ||
837 837 fctio->fctio_xfer != FCTIO_XFER_READ) {
838 838 ret = EINVAL;
839 839 break;
840 840 }
841 841 port_attr = (fc_tgt_hba_port_attributes_t *)obuf;
842 842
843 843 mutex_enter(&fct_global_mutex);
844 844 ret = fct_get_adapter_port_attr(NULL, port_wwn, port_attr,
845 845 &fctio->fctio_errno);
846 846 mutex_exit(&fct_global_mutex);
847 847
848 848 break;
849 849 }
850 850 case FCTIO_GET_DISCOVERED_PORT_ATTRIBUTES: {
851 851 uint8_t *port_wwn = (uint8_t *)ibuf;
852 852 uint32_t *port_index = (uint32_t *)abuf;
853 853 fc_tgt_hba_port_attributes_t *port_attr;
854 854
855 855 attr_length = sizeof (fc_tgt_hba_port_attributes_t);
856 856 if (fctio->fctio_olen < attr_length ||
857 857 fctio->fctio_xfer != FCTIO_XFER_READ) {
858 858 ret = EINVAL;
859 859 break;
860 860 }
861 861 port_attr = (fc_tgt_hba_port_attributes_t *)obuf;
862 862
863 863 mutex_enter(&fct_global_mutex);
864 864 ret = fct_get_discovered_port_attr(NULL, port_wwn,
865 865 *port_index, port_attr, &fctio->fctio_errno);
866 866 mutex_exit(&fct_global_mutex);
867 867
868 868 break;
869 869 }
870 870 case FCTIO_GET_PORT_ATTRIBUTES: {
871 871 uint8_t *port_wwn = (uint8_t *)ibuf;
872 872 fc_tgt_hba_port_attributes_t *port_attr;
873 873
874 874 attr_length = sizeof (fc_tgt_hba_port_attributes_t);
875 875 if (fctio->fctio_olen < attr_length ||
876 876 fctio->fctio_xfer != FCTIO_XFER_READ) {
877 877 ret = EINVAL;
878 878 break;
879 879 }
880 880
881 881 port_attr = (fc_tgt_hba_port_attributes_t *)obuf;
882 882
883 883 mutex_enter(&fct_global_mutex);
884 884 ret = fct_get_port_attr(port_wwn, port_attr,
885 885 &fctio->fctio_errno);
886 886 mutex_exit(&fct_global_mutex);
887 887
888 888 break;
889 889 }
890 890 case FCTIO_GET_ADAPTER_PORT_STATS: {
891 891 uint8_t *port_wwn = (uint8_t *)ibuf;
892 892 fc_tgt_hba_adapter_port_stats_t *port_stats =
893 893 (fc_tgt_hba_adapter_port_stats_t *)obuf;
894 894 mutex_enter(&fct_global_mutex);
895 895 ret = fct_get_port_stats(port_wwn, port_stats,
896 896 &fctio->fctio_errno);
897 897 mutex_exit(&fct_global_mutex);
898 898 break;
899 899 }
900 900 case FCTIO_GET_LINK_STATUS: {
901 901 uint8_t *port_wwn = (uint8_t *)ibuf;
902 902 fct_port_link_status_t *link_status =
903 903 (fct_port_link_status_t *)obuf;
904 904 uint64_t *dest_id = abuf;
905 905
906 906 mutex_enter(&fct_global_mutex);
907 907 ret = fct_get_link_status(port_wwn, dest_id, link_status,
908 908 &fctio->fctio_errno);
909 909 mutex_exit(&fct_global_mutex);
910 910 break;
911 911 }
912 912
913 913 case FCTIO_FORCE_LIP:
914 914 ret = fct_forcelip((uint8_t *)ibuf, &fctio->fctio_errno);
915 915 break;
916 916
917 917 default:
918 918 break;
919 919 }
920 920 if (ret == 0) {
921 921 ret = fct_copyout_iocdata(data, mode, fctio, obuf);
922 922 } else if (fctio->fctio_errno) {
923 923 (void) fct_copyout_iocdata(data, mode, fctio, obuf);
924 924 }
925 925
926 926 if (obuf) {
927 927 kmem_free(obuf, fctio->fctio_olen);
928 928 obuf = NULL;
929 929 }
930 930 if (abuf) {
931 931 kmem_free(abuf, fctio->fctio_alen);
932 932 abuf = NULL;
933 933 }
934 934
935 935 if (ibuf) {
936 936 kmem_free(ibuf, fctio->fctio_ilen);
937 937 ibuf = NULL;
938 938 }
939 939 kmem_free(fctio, sizeof (fctio_t));
940 940 return (ret);
941 941 }
942 942
943 943 typedef struct {
944 944 void *bp; /* back pointer from internal struct to main struct */
945 945 int alloc_size;
946 946 fct_struct_id_t struct_id;
947 947 } __ifct_t;
948 948
949 949 typedef struct {
950 950 __ifct_t *fp; /* Framework private */
951 951 void *cp; /* Caller private */
952 952 void *ss; /* struct specific */
953 953 } __fct_t;
954 954
955 955 static struct {
956 956 int shared;
957 957 int fw_private;
958 958 int struct_specific;
959 959 } fct_sizes[] = { { 0, 0, 0 },
960 960 { GET_STRUCT_SIZE(fct_local_port_t),
961 961 GET_STRUCT_SIZE(fct_i_local_port_t), 0 },
962 962 { GET_STRUCT_SIZE(fct_remote_port_t),
963 963 GET_STRUCT_SIZE(fct_i_remote_port_t), 0 },
964 964 { GET_STRUCT_SIZE(fct_cmd_t),
965 965 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_els_t) },
966 966 { GET_STRUCT_SIZE(fct_cmd_t),
967 967 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_els_t) },
968 968 { GET_STRUCT_SIZE(fct_cmd_t),
969 969 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_sol_ct_t) },
970 970 { GET_STRUCT_SIZE(fct_cmd_t), GET_STRUCT_SIZE(fct_i_cmd_t),
971 971 GET_STRUCT_SIZE(fct_rcvd_abts_t) },
972 972 { GET_STRUCT_SIZE(fct_cmd_t), /* FCT_STRUCT_CMD_FCP_XCHG */
973 973 GET_STRUCT_SIZE(fct_i_cmd_t), 0 },
974 974 { GET_STRUCT_SIZE(fct_dbuf_store_t),
975 975 GET_STRUCT_SIZE(__ifct_t), 0 }
976 976 };
977 977
978 978 void *
979 979 fct_alloc(fct_struct_id_t struct_id, int additional_size, int flags)
980 980 {
981 981 int fct_size;
982 982 int kmem_flag;
983 983 __fct_t *sh;
984 984
985 985 if ((struct_id == 0) || (struct_id >= FCT_MAX_STRUCT_IDS))
986 986 return (NULL);
987 987
988 988 if ((curthread->t_flag & T_INTR_THREAD) || (flags & AF_FORCE_NOSLEEP)) {
989 989 kmem_flag = KM_NOSLEEP;
990 990 } else {
991 991 kmem_flag = KM_SLEEP;
992 992 }
993 993
994 994 additional_size = (additional_size + 7) & (~7);
995 995 fct_size = fct_sizes[struct_id].shared +
996 996 fct_sizes[struct_id].fw_private +
997 997 fct_sizes[struct_id].struct_specific + additional_size;
998 998
999 999 if (struct_id == FCT_STRUCT_LOCAL_PORT) {
1000 1000 stmf_local_port_t *lport;
1001 1001
1002 1002 lport = (stmf_local_port_t *)stmf_alloc(
1003 1003 STMF_STRUCT_STMF_LOCAL_PORT, fct_size, flags);
1004 1004 if (lport) {
1005 1005 sh = (__fct_t *)lport->lport_port_private;
1006 1006 sh->ss = lport;
1007 1007 } else {
1008 1008 return (NULL);
1009 1009 }
1010 1010 } else if (struct_id == FCT_STRUCT_DBUF_STORE) {
1011 1011 stmf_dbuf_store_t *ds;
1012 1012
1013 1013 ds = (stmf_dbuf_store_t *)stmf_alloc(STMF_STRUCT_DBUF_STORE,
1014 1014 fct_size, flags);
1015 1015 if (ds) {
1016 1016 sh = (__fct_t *)ds->ds_port_private;
1017 1017 sh->ss = ds;
1018 1018 } else {
1019 1019 return (NULL);
1020 1020 }
1021 1021 } else {
1022 1022 sh = (__fct_t *)kmem_zalloc(fct_size, kmem_flag);
1023 1023 }
1024 1024
1025 1025 if (sh == NULL)
1026 1026 return (NULL);
1027 1027
1028 1028 sh->fp = (__ifct_t *)GET_BYTE_OFFSET(sh, fct_sizes[struct_id].shared);
1029 1029 sh->cp = GET_BYTE_OFFSET(sh->fp, fct_sizes[struct_id].fw_private);
1030 1030 if (fct_sizes[struct_id].struct_specific)
1031 1031 sh->ss = GET_BYTE_OFFSET(sh->cp, additional_size);
1032 1032
1033 1033 sh->fp->bp = sh;
1034 1034 sh->fp->alloc_size = fct_size;
1035 1035 sh->fp->struct_id = struct_id;
1036 1036
1037 1037 if (struct_id == FCT_STRUCT_CMD_FCP_XCHG) {
1038 1038 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_FCP_XCHG;
1039 1039 } else if (struct_id == FCT_STRUCT_CMD_RCVD_ELS) {
1040 1040 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_RCVD_ELS;
1041 1041 } else if (struct_id == FCT_STRUCT_CMD_SOL_ELS) {
1042 1042 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_SOL_ELS;
1043 1043 } else if (struct_id == FCT_STRUCT_CMD_RCVD_ABTS) {
1044 1044 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_RCVD_ABTS;
1045 1045 } else if (struct_id == FCT_STRUCT_CMD_SOL_CT) {
1046 1046 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_SOL_CT;
1047 1047 }
1048 1048
1049 1049 return (sh);
1050 1050 }
1051 1051
1052 1052 void
1053 1053 fct_free(void *ptr)
1054 1054 {
1055 1055 __fct_t *sh = (__fct_t *)ptr;
1056 1056 fct_struct_id_t struct_id = sh->fp->struct_id;
1057 1057
1058 1058 if (struct_id == FCT_STRUCT_CMD_SOL_CT) {
1059 1059 fct_sol_ct_t *ct = (fct_sol_ct_t *)
1060 1060 ((fct_cmd_t *)ptr)->cmd_specific;
1061 1061
1062 1062 if (ct->ct_req_alloc_size) {
1063 1063 kmem_free(ct->ct_req_payload, ct->ct_req_alloc_size);
1064 1064 }
1065 1065 if (ct->ct_resp_alloc_size) {
1066 1066 kmem_free(ct->ct_resp_payload, ct->ct_resp_alloc_size);
1067 1067 }
1068 1068 } else if ((struct_id == FCT_STRUCT_CMD_RCVD_ELS) ||
1069 1069 (struct_id == FCT_STRUCT_CMD_SOL_ELS)) {
1070 1070 fct_els_t *els = (fct_els_t *)
1071 1071 ((fct_cmd_t *)ptr)->cmd_specific;
1072 1072 if (els->els_req_alloc_size)
1073 1073 kmem_free(els->els_req_payload,
1074 1074 els->els_req_alloc_size);
1075 1075 if (els->els_resp_alloc_size)
1076 1076 kmem_free(els->els_resp_payload,
1077 1077 els->els_resp_alloc_size);
1078 1078 }
1079 1079
1080 1080 if (struct_id == FCT_STRUCT_LOCAL_PORT) {
1081 1081 stmf_free(((fct_local_port_t *)ptr)->port_lport);
1082 1082 } else if (struct_id == FCT_STRUCT_DBUF_STORE) {
1083 1083 stmf_free(((fct_dbuf_store_t *)ptr)->fds_ds);
1084 1084 } else {
1085 1085 kmem_free(ptr, sh->fp->alloc_size);
1086 1086 }
1087 1087 }
1088 1088
1089 1089 stmf_data_buf_t *
1090 1090 fct_alloc_dbuf(scsi_task_t *task, uint32_t size, uint32_t *pminsize,
1091 1091 uint32_t flags)
1092 1092 {
1093 1093 fct_local_port_t *port = (fct_local_port_t *)
1094 1094 task->task_lport->lport_port_private;
1095 1095
1096 1096 return (port->port_fds->fds_alloc_data_buf(port, size,
1097 1097 pminsize, flags));
1098 1098 }
1099 1099
1100 1100 stmf_status_t
1101 1101 fct_setup_dbuf(scsi_task_t *task, stmf_data_buf_t *dbuf, uint32_t flags)
1102 1102 {
1103 1103 fct_local_port_t *port = (fct_local_port_t *)
1104 1104 task->task_lport->lport_port_private;
1105 1105
1106 1106 ASSERT(port->port_fds->fds_setup_dbuf != NULL);
1107 1107 if (port->port_fds->fds_setup_dbuf == NULL)
1108 1108 return (STMF_FAILURE);
1109 1109
1110 1110 return (port->port_fds->fds_setup_dbuf(port, dbuf, flags));
1111 1111 }
1112 1112
1113 1113 void
1114 1114 fct_teardown_dbuf(stmf_dbuf_store_t *ds, stmf_data_buf_t *dbuf)
1115 1115 {
1116 1116 fct_dbuf_store_t *fds = ds->ds_port_private;
1117 1117
1118 1118 fds->fds_teardown_dbuf(fds, dbuf);
1119 1119 }
1120 1120
1121 1121 void
1122 1122 fct_free_dbuf(stmf_dbuf_store_t *ds, stmf_data_buf_t *dbuf)
1123 1123 {
1124 1124 fct_dbuf_store_t *fds;
1125 1125
1126 1126 fds = (fct_dbuf_store_t *)ds->ds_port_private;
1127 1127
1128 1128 fds->fds_free_data_buf(fds, dbuf);
1129 1129 }
1130 1130
1131 1131 static uint32_t taskq_cntr = 0;
1132 1132
1133 1133 fct_status_t
1134 1134 fct_register_local_port(fct_local_port_t *port)
1135 1135 {
1136 1136 fct_i_local_port_t *iport;
1137 1137 stmf_local_port_t *lport;
1138 1138 fct_cmd_slot_t *slot;
1139 1139 int i;
1140 1140 char taskq_name[FCT_TASKQ_NAME_LEN];
1141 1141
1142 1142 iport = (fct_i_local_port_t *)port->port_fct_private;
1143 1143 if (port->port_fca_version != FCT_FCA_MODREV_1) {
1144 1144 cmn_err(CE_WARN,
1145 1145 "fct: %s driver version mismatch",
1146 1146 port->port_default_alias);
1147 1147 return (FCT_FAILURE);
1148 1148 }
1149 1149 if (port->port_default_alias) {
1150 1150 int l = strlen(port->port_default_alias);
1151 1151
1152 1152 if (l < 16) {
1153 1153 iport->iport_alias = iport->iport_alias_mem;
1154 1154 } else {
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1155 1155 iport->iport_alias =
1156 1156 (char *)kmem_zalloc(l+1, KM_SLEEP);
1157 1157 }
1158 1158 (void) strcpy(iport->iport_alias, port->port_default_alias);
1159 1159 } else {
1160 1160 iport->iport_alias = NULL;
1161 1161 }
1162 1162 stmf_wwn_to_devid_desc((scsi_devid_desc_t *)iport->iport_id,
1163 1163 port->port_pwwn, PROTOCOL_FIBRE_CHANNEL);
1164 1164 (void) snprintf(taskq_name, sizeof (taskq_name), "stmf_fct_taskq_%d",
1165 - atomic_add_32_nv(&taskq_cntr, 1));
1165 + atomic_inc_32_nv(&taskq_cntr));
1166 1166 if ((iport->iport_worker_taskq = ddi_taskq_create(NULL,
1167 1167 taskq_name, 1, TASKQ_DEFAULTPRI, 0)) == NULL) {
1168 1168 return (FCT_FAILURE);
1169 1169 }
1170 1170 mutex_init(&iport->iport_worker_lock, NULL, MUTEX_DRIVER, NULL);
1171 1171 cv_init(&iport->iport_worker_cv, NULL, CV_DRIVER, NULL);
1172 1172 rw_init(&iport->iport_lock, NULL, RW_DRIVER, NULL);
1173 1173 sema_init(&iport->iport_rls_sema, 0, NULL, SEMA_DRIVER, NULL);
1174 1174
1175 1175 /* Remote port mgmt */
1176 1176 iport->iport_rp_slots = (fct_i_remote_port_t **)kmem_zalloc(
1177 1177 port->port_max_logins * sizeof (fct_i_remote_port_t *), KM_SLEEP);
1178 1178 iport->iport_rp_tb = kmem_zalloc(rportid_table_size *
1179 1179 sizeof (fct_i_remote_port_t *), KM_SLEEP);
1180 1180
1181 1181 /* fct_cmds for SCSI traffic */
1182 1182 iport->iport_total_alloced_ncmds = 0;
1183 1183 iport->iport_cached_ncmds = 0;
1184 1184 port->port_fca_fcp_cmd_size =
1185 1185 (port->port_fca_fcp_cmd_size + 7) & ~7;
1186 1186 iport->iport_cached_cmdlist = NULL;
1187 1187 mutex_init(&iport->iport_cached_cmd_lock, NULL, MUTEX_DRIVER, NULL);
1188 1188
1189 1189 /* Initialize cmd slots */
1190 1190 iport->iport_cmd_slots = (fct_cmd_slot_t *)kmem_zalloc(
1191 1191 port->port_max_xchges * sizeof (fct_cmd_slot_t), KM_SLEEP);
1192 1192 iport->iport_next_free_slot = 0;
1193 1193 for (i = 0; i < port->port_max_xchges; ) {
1194 1194 slot = &iport->iport_cmd_slots[i];
1195 1195 slot->slot_no = (uint16_t)i;
1196 1196 slot->slot_next = (uint16_t)(++i);
1197 1197 }
1198 1198 slot->slot_next = FCT_SLOT_EOL;
1199 1199 iport->iport_nslots_free = port->port_max_xchges;
1200 1200
1201 1201 iport->iport_task_green_limit =
1202 1202 (port->port_max_xchges * FCT_TASK_GREEN_LIMIT) / 100;
1203 1203 iport->iport_task_yellow_limit =
1204 1204 (port->port_max_xchges * FCT_TASK_YELLOW_LIMIT) / 100;
1205 1205 iport->iport_task_red_limit =
1206 1206 (port->port_max_xchges * FCT_TASK_RED_LIMIT) / 100;
1207 1207
1208 1208 /* Start worker thread */
1209 1209 atomic_and_32(&iport->iport_flags, ~IPORT_TERMINATE_WORKER);
1210 1210 (void) ddi_taskq_dispatch(iport->iport_worker_taskq,
1211 1211 fct_port_worker, port, DDI_SLEEP);
1212 1212 /* Wait for taskq to start */
1213 1213 while ((iport->iport_flags & IPORT_WORKER_RUNNING) == 0) {
1214 1214 delay(1);
1215 1215 }
1216 1216
1217 1217 lport = port->port_lport;
1218 1218 lport->lport_id = (scsi_devid_desc_t *)iport->iport_id;
1219 1219 lport->lport_alias = iport->iport_alias;
1220 1220 lport->lport_pp = port->port_pp;
1221 1221 port->port_fds->fds_ds->ds_alloc_data_buf = fct_alloc_dbuf;
1222 1222 port->port_fds->fds_ds->ds_free_data_buf = fct_free_dbuf;
1223 1223 port->port_fds->fds_ds->ds_setup_dbuf = fct_setup_dbuf;
1224 1224 port->port_fds->fds_ds->ds_teardown_dbuf = fct_teardown_dbuf;
1225 1225 lport->lport_ds = port->port_fds->fds_ds;
1226 1226 lport->lport_xfer_data = fct_xfer_scsi_data;
1227 1227 lport->lport_send_status = fct_send_scsi_status;
1228 1228 lport->lport_task_free = fct_scsi_task_free;
1229 1229 lport->lport_abort = fct_scsi_abort;
1230 1230 lport->lport_ctl = fct_ctl;
1231 1231 lport->lport_info = fct_info;
1232 1232 lport->lport_event_handler = fct_event_handler;
1233 1233 /* set up as alua participating port */
1234 1234 stmf_set_port_alua(lport);
1235 1235 if (stmf_register_local_port(port->port_lport) != FCT_SUCCESS) {
1236 1236 goto fct_regport_fail1;
1237 1237 }
1238 1238 (void) stmf_lport_add_event(lport, LPORT_EVENT_INITIAL_LUN_MAPPED);
1239 1239
1240 1240 mutex_enter(&fct_global_mutex);
1241 1241 iport->iport_next = fct_iport_list;
1242 1242 iport->iport_prev = NULL;
1243 1243 if (iport->iport_next)
1244 1244 iport->iport_next->iport_prev = iport;
1245 1245 fct_iport_list = iport;
1246 1246 mutex_exit(&fct_global_mutex);
1247 1247
1248 1248 fct_init_kstats(iport);
1249 1249
1250 1250 fct_log_local_port_event(port, ESC_SUNFC_PORT_ATTACH);
1251 1251
1252 1252 return (FCT_SUCCESS);
1253 1253
1254 1254 fct_regport_fail1:;
1255 1255 /* Stop the taskq 1st */
1256 1256 if (iport->iport_flags & IPORT_WORKER_RUNNING) {
1257 1257 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER);
1258 1258 cv_broadcast(&iport->iport_worker_cv);
1259 1259 while (iport->iport_flags & IPORT_WORKER_RUNNING) {
1260 1260 delay(1);
1261 1261 }
1262 1262 }
1263 1263 ddi_taskq_destroy(iport->iport_worker_taskq);
1264 1264 if (iport->iport_rp_tb) {
1265 1265 kmem_free(iport->iport_rp_tb, rportid_table_size *
1266 1266 sizeof (fct_i_remote_port_t *));
1267 1267 }
1268 1268 return (FCT_FAILURE);
1269 1269 }
1270 1270
1271 1271 fct_status_t
1272 1272 fct_deregister_local_port(fct_local_port_t *port)
1273 1273 {
1274 1274 fct_i_local_port_t *iport;
1275 1275 fct_i_cmd_t *icmd, *next_icmd;
1276 1276 int ndx;
1277 1277
1278 1278 iport = (fct_i_local_port_t *)port->port_fct_private;
1279 1279
1280 1280 if ((iport->iport_state != FCT_STATE_OFFLINE) ||
1281 1281 iport->iport_state_not_acked) {
1282 1282 return (FCT_FAILURE);
1283 1283 }
1284 1284
1285 1285 /* Stop the taskq 1st */
1286 1286 if (iport->iport_flags & IPORT_WORKER_RUNNING) {
1287 1287 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER);
1288 1288 cv_broadcast(&iport->iport_worker_cv);
1289 1289 for (ndx = 0; ndx < 100; ndx++) {
1290 1290 if ((iport->iport_flags & IPORT_WORKER_RUNNING)
1291 1291 == 0) {
1292 1292 break;
1293 1293 }
1294 1294 delay(drv_usectohz(10000));
1295 1295 }
1296 1296 if (ndx == 100) {
1297 1297 atomic_and_32(&iport->iport_flags,
1298 1298 ~IPORT_TERMINATE_WORKER);
1299 1299 return (FCT_WORKER_STUCK);
1300 1300 }
1301 1301 }
1302 1302
1303 1303 if (stmf_deregister_local_port(port->port_lport) != FCT_SUCCESS) {
1304 1304 goto fct_deregport_fail1;
1305 1305 }
1306 1306
1307 1307 mutex_enter(&fct_global_mutex);
1308 1308 if (iport->iport_next)
1309 1309 iport->iport_next->iport_prev = iport->iport_prev;
1310 1310 if (iport->iport_prev)
1311 1311 iport->iport_prev->iport_next = iport->iport_next;
1312 1312 else
1313 1313 fct_iport_list = iport->iport_next;
1314 1314 mutex_exit(&fct_global_mutex);
1315 1315 /*
1316 1316 * At this time, there should be no outstanding and pending
1317 1317 * I/Os, so we can just release resources.
1318 1318 */
1319 1319 ASSERT(iport->iport_total_alloced_ncmds == iport->iport_cached_ncmds);
1320 1320 for (icmd = iport->iport_cached_cmdlist; icmd; icmd = next_icmd) {
1321 1321 next_icmd = icmd->icmd_next;
1322 1322 fct_free(icmd->icmd_cmd);
1323 1323 }
1324 1324 mutex_destroy(&iport->iport_cached_cmd_lock);
1325 1325 kmem_free(iport->iport_cmd_slots, port->port_max_xchges *
1326 1326 sizeof (fct_cmd_slot_t));
1327 1327 kmem_free(iport->iport_rp_slots, port->port_max_logins *
1328 1328 sizeof (fct_i_remote_port_t *));
1329 1329 rw_destroy(&iport->iport_lock);
1330 1330 cv_destroy(&iport->iport_worker_cv);
1331 1331 sema_destroy(&iport->iport_rls_sema);
1332 1332 mutex_destroy(&iport->iport_worker_lock);
1333 1333 ddi_taskq_destroy(iport->iport_worker_taskq);
1334 1334 if (iport->iport_rp_tb) {
1335 1335 kmem_free(iport->iport_rp_tb, rportid_table_size *
1336 1336 sizeof (fct_i_remote_port_t *));
1337 1337 }
1338 1338
1339 1339 if (iport->iport_kstat_portstat) {
1340 1340 kstat_delete(iport->iport_kstat_portstat);
1341 1341 }
1342 1342
1343 1343 fct_log_local_port_event(port, ESC_SUNFC_PORT_DETACH);
1344 1344 return (FCT_SUCCESS);
1345 1345
1346 1346 fct_deregport_fail1:;
1347 1347 /* Restart the worker */
1348 1348 atomic_and_32(&iport->iport_flags, ~IPORT_TERMINATE_WORKER);
1349 1349 (void) ddi_taskq_dispatch(iport->iport_worker_taskq,
1350 1350 fct_port_worker, port, DDI_SLEEP);
1351 1351 /* Wait for taskq to start */
1352 1352 while ((iport->iport_flags & IPORT_WORKER_RUNNING) == 0) {
1353 1353 delay(1);
1354 1354 }
1355 1355 return (FCT_FAILURE);
1356 1356 }
1357 1357
1358 1358 /* ARGSUSED */
1359 1359 void
1360 1360 fct_handle_event(fct_local_port_t *port, int event_id, uint32_t event_flags,
1361 1361 caddr_t arg)
1362 1362 {
1363 1363 char info[FCT_INFO_LEN];
1364 1364 fct_i_event_t *e;
1365 1365 fct_i_local_port_t *iport = (fct_i_local_port_t *)
1366 1366 port->port_fct_private;
1367 1367
1368 1368 e = kmem_zalloc(sizeof (fct_i_event_t), KM_NOSLEEP);
1369 1369
1370 1370 if (e == NULL) {
1371 1371 /*
1372 1372 * XXX Throw HBA fatal error event
1373 1373 */
1374 1374 (void) snprintf(info, sizeof (info),
1375 1375 "fct_handle_event: iport-%p, allocation "
1376 1376 "of fct_i_event failed", (void *)iport);
1377 1377 (void) fct_port_shutdown(iport->iport_port,
1378 1378 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info);
1379 1379 return;
1380 1380 }
1381 1381 /* Just queue the event */
1382 1382 e->event_type = event_id;
1383 1383 mutex_enter(&iport->iport_worker_lock);
1384 1384 if (iport->iport_event_head == NULL) {
1385 1385 iport->iport_event_head = iport->iport_event_tail = e;
1386 1386 } else {
1387 1387 iport->iport_event_tail->event_next = e;
1388 1388 iport->iport_event_tail = e;
1389 1389 }
1390 1390 if (IS_WORKER_SLEEPING(iport))
1391 1391 cv_signal(&iport->iport_worker_cv);
1392 1392 mutex_exit(&iport->iport_worker_lock);
1393 1393 }
1394 1394
1395 1395 /*
1396 1396 * Called with iport_lock held as reader.
1397 1397 */
1398 1398 fct_i_remote_port_t *
1399 1399 fct_portid_to_portptr(fct_i_local_port_t *iport, uint32_t portid)
1400 1400 {
1401 1401 fct_i_remote_port_t *irp;
1402 1402
1403 1403 irp = iport->iport_rp_tb[FCT_PORTID_HASH_FUNC(portid)];
1404 1404 for (; irp != NULL; irp = irp->irp_next) {
1405 1405 if (irp->irp_portid == portid)
1406 1406 return (irp);
1407 1407 }
1408 1408
1409 1409 return (NULL);
1410 1410
1411 1411 }
1412 1412
1413 1413 /*
1414 1414 * Called with irp_lock held as writer.
1415 1415 */
1416 1416 void
1417 1417 fct_queue_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp)
1418 1418 {
1419 1419 int hash_key =
1420 1420 FCT_PORTID_HASH_FUNC(irp->irp_portid);
1421 1421
1422 1422 irp->irp_next = iport->iport_rp_tb[hash_key];
1423 1423 iport->iport_rp_tb[hash_key] = irp;
1424 1424 iport->iport_nrps++;
1425 1425 }
1426 1426
1427 1427 /*
1428 1428 * Called with irp_lock and iport_lock held as writer.
1429 1429 */
1430 1430 void
1431 1431 fct_deque_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp)
1432 1432 {
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1433 1433 fct_i_remote_port_t *irp_next = NULL;
1434 1434 fct_i_remote_port_t *irp_last = NULL;
1435 1435 int hash_key =
1436 1436 FCT_PORTID_HASH_FUNC(irp->irp_portid);
1437 1437
1438 1438 irp_next = iport->iport_rp_tb[hash_key];
1439 1439 irp_last = NULL;
1440 1440 while (irp_next != NULL) {
1441 1441 if (irp == irp_next) {
1442 1442 if (irp->irp_flags & IRP_PLOGI_DONE) {
1443 - atomic_add_32(&iport->iport_nrps_login, -1);
1443 + atomic_dec_32(&iport->iport_nrps_login);
1444 1444 }
1445 1445 atomic_and_32(&irp->irp_flags,
1446 1446 ~(IRP_PLOGI_DONE | IRP_PRLI_DONE));
1447 1447 break;
1448 1448 }
1449 1449 irp_last = irp_next;
1450 1450 irp_next = irp_next->irp_next;
1451 1451 }
1452 1452
1453 1453 if (irp_next) {
1454 1454 if (irp_last == NULL) {
1455 1455 iport->iport_rp_tb[hash_key] =
1456 1456 irp->irp_next;
1457 1457 } else {
1458 1458 irp_last->irp_next = irp->irp_next;
1459 1459 }
1460 1460 irp->irp_next = NULL;
1461 1461 iport->iport_nrps--;
1462 1462 }
1463 1463 }
1464 1464
1465 1465 int
1466 1466 fct_is_irp_logging_out(fct_i_remote_port_t *irp, int force_implicit)
1467 1467 {
1468 1468 int logging_out = 0;
1469 1469
1470 1470 rw_enter(&irp->irp_lock, RW_WRITER);
1471 1471 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) {
1472 1472 logging_out = 0;
1473 1473 goto ilo_done;
1474 1474 }
1475 1475 if ((irp->irp_els_list == NULL) && (irp->irp_deregister_timer)) {
1476 1476 if (force_implicit && irp->irp_nonfcp_xchg_count) {
1477 1477 logging_out = 0;
1478 1478 } else {
1479 1479 logging_out = 1;
1480 1480 }
1481 1481 goto ilo_done;
1482 1482 }
1483 1483 if (irp->irp_els_list) {
1484 1484 fct_i_cmd_t *icmd;
1485 1485 /* Last session affecting ELS should be a LOGO */
1486 1486 for (icmd = irp->irp_els_list; icmd; icmd = icmd->icmd_next) {
1487 1487 uint8_t op = (ICMD_TO_ELS(icmd))->els_req_payload[0];
1488 1488 if (op == ELS_OP_LOGO) {
1489 1489 if (force_implicit) {
1490 1490 if (icmd->icmd_flags & ICMD_IMPLICIT)
1491 1491 logging_out = 1;
1492 1492 else
1493 1493 logging_out = 0;
1494 1494 } else {
1495 1495 logging_out = 1;
1496 1496 }
1497 1497 } else if ((op == ELS_OP_PLOGI) ||
1498 1498 (op == ELS_OP_PRLI) ||
1499 1499 (op == ELS_OP_PRLO) || (op == ELS_OP_TPRLO)) {
1500 1500 logging_out = 0;
1501 1501 }
1502 1502 }
1503 1503 }
1504 1504 ilo_done:;
1505 1505 rw_exit(&irp->irp_lock);
1506 1506
1507 1507 return (logging_out);
1508 1508 }
1509 1509
1510 1510 /*
1511 1511 * The force_implicit flag enforces the implicit semantics which may be
1512 1512 * needed if a received logout got stuck e.g. a response to a received
1513 1513 * LOGO never came back from the FCA.
1514 1514 */
1515 1515 int
1516 1516 fct_implicitly_logo_all(fct_i_local_port_t *iport, int force_implicit)
1517 1517 {
1518 1518 fct_i_remote_port_t *irp = NULL;
1519 1519 fct_cmd_t *cmd = NULL;
1520 1520 int i = 0;
1521 1521 int nports = 0;
1522 1522
1523 1523 if (!iport->iport_nrps) {
1524 1524 return (nports);
1525 1525 }
1526 1526
1527 1527 rw_enter(&iport->iport_lock, RW_WRITER);
1528 1528 for (i = 0; i < rportid_table_size; i++) {
1529 1529 irp = iport->iport_rp_tb[i];
1530 1530 while (irp) {
1531 1531 if ((!(irp->irp_flags & IRP_PLOGI_DONE)) &&
1532 1532 (fct_is_irp_logging_out(irp, force_implicit))) {
1533 1533 irp = irp->irp_next;
1534 1534 continue;
1535 1535 }
1536 1536
1537 1537 cmd = fct_create_solels(iport->iport_port, irp->irp_rp,
1538 1538 1, ELS_OP_LOGO, 0, fct_logo_cb);
1539 1539 if (cmd == NULL) {
1540 1540 stmf_trace(iport->iport_alias,
1541 1541 "fct_implictly_logo_all: cmd null");
1542 1542 rw_exit(&iport->iport_lock);
1543 1543
1544 1544 return (nports);
1545 1545 }
1546 1546
1547 1547 fct_post_implicit_logo(cmd);
1548 1548 nports++;
1549 1549 irp = irp->irp_next;
1550 1550 }
1551 1551 }
1552 1552 rw_exit(&iport->iport_lock);
1553 1553
1554 1554 return (nports);
1555 1555 }
1556 1556
1557 1557 void
1558 1558 fct_rehash(fct_i_local_port_t *iport)
1559 1559 {
1560 1560 fct_i_remote_port_t **iport_rp_tb_tmp;
1561 1561 fct_i_remote_port_t **iport_rp_tb_new;
1562 1562 fct_i_remote_port_t *irp;
1563 1563 fct_i_remote_port_t *irp_next;
1564 1564 int i;
1565 1565
1566 1566 iport_rp_tb_new = kmem_zalloc(rportid_table_size *
1567 1567 sizeof (fct_i_remote_port_t *), KM_SLEEP);
1568 1568 rw_enter(&iport->iport_lock, RW_WRITER);
1569 1569 /* reconstruct the hash table */
1570 1570 iport_rp_tb_tmp = iport->iport_rp_tb;
1571 1571 iport->iport_rp_tb = iport_rp_tb_new;
1572 1572 iport->iport_nrps = 0;
1573 1573 for (i = 0; i < rportid_table_size; i++) {
1574 1574 irp = iport_rp_tb_tmp[i];
1575 1575 while (irp) {
1576 1576 irp_next = irp->irp_next;
1577 1577 fct_queue_rp(iport, irp);
1578 1578 irp = irp_next;
1579 1579 }
1580 1580 }
1581 1581 rw_exit(&iport->iport_lock);
1582 1582 kmem_free(iport_rp_tb_tmp, rportid_table_size *
1583 1583 sizeof (fct_i_remote_port_t *));
1584 1584
1585 1585 }
1586 1586
1587 1587 uint8_t
1588 1588 fct_local_port_cleanup_done(fct_i_local_port_t *iport)
1589 1589 {
1590 1590 fct_i_remote_port_t *irp;
1591 1591 int i;
1592 1592
1593 1593 if (iport->iport_nrps_login)
1594 1594 return (0);
1595 1595 /* loop all rps to check if the cmd have already been drained */
1596 1596 for (i = 0; i < rportid_table_size; i++) {
1597 1597 irp = iport->iport_rp_tb[i];
1598 1598 while (irp) {
1599 1599 if (irp->irp_fcp_xchg_count ||
1600 1600 irp->irp_nonfcp_xchg_count)
1601 1601 return (0);
1602 1602 irp = irp->irp_next;
1603 1603 }
1604 1604 }
1605 1605 return (1);
1606 1606 }
1607 1607
1608 1608 fct_cmd_t *
1609 1609 fct_scsi_task_alloc(fct_local_port_t *port, uint16_t rp_handle,
1610 1610 uint32_t rportid, uint8_t *lun, uint16_t cdb_length,
1611 1611 uint16_t task_ext)
1612 1612 {
1613 1613 fct_cmd_t *cmd;
1614 1614 fct_i_cmd_t *icmd;
1615 1615 fct_i_local_port_t *iport =
1616 1616 (fct_i_local_port_t *)port->port_fct_private;
1617 1617 fct_i_remote_port_t *irp;
1618 1618 scsi_task_t *task;
1619 1619 fct_remote_port_t *rp;
1620 1620 uint16_t cmd_slot;
1621 1621
1622 1622 rw_enter(&iport->iport_lock, RW_READER);
1623 1623 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) {
1624 1624 rw_exit(&iport->iport_lock);
1625 1625 stmf_trace(iport->iport_alias, "cmd alloc called while the port"
1626 1626 " was offline");
1627 1627 return (NULL);
1628 1628 }
1629 1629
1630 1630 if (rp_handle == FCT_HANDLE_NONE) {
1631 1631 irp = fct_portid_to_portptr(iport, rportid);
1632 1632 if (irp == NULL) {
1633 1633 rw_exit(&iport->iport_lock);
1634 1634 stmf_trace(iport->iport_alias, "cmd received from "
1635 1635 "non existent port %x", rportid);
1636 1636 return (NULL);
1637 1637 }
1638 1638 } else {
1639 1639 if ((rp_handle >= port->port_max_logins) ||
1640 1640 ((irp = iport->iport_rp_slots[rp_handle]) == NULL)) {
1641 1641 rw_exit(&iport->iport_lock);
1642 1642 stmf_trace(iport->iport_alias, "cmd received from "
1643 1643 "invalid port handle %x", rp_handle);
1644 1644 return (NULL);
1645 1645 }
1646 1646 }
1647 1647 rp = irp->irp_rp;
1648 1648
1649 1649 rw_enter(&irp->irp_lock, RW_READER);
1650 1650 if ((irp->irp_flags & IRP_PRLI_DONE) == 0) {
1651 1651 rw_exit(&irp->irp_lock);
1652 1652 rw_exit(&iport->iport_lock);
1653 1653 stmf_trace(iport->iport_alias, "cmd alloc called while fcp "
1654 1654 "login was not done. portid=%x, rp=%p", rp->rp_id, rp);
1655 1655 return (NULL);
1656 1656 }
1657 1657
1658 1658 mutex_enter(&iport->iport_cached_cmd_lock);
1659 1659 if ((icmd = iport->iport_cached_cmdlist) != NULL) {
1660 1660 iport->iport_cached_cmdlist = icmd->icmd_next;
1661 1661 iport->iport_cached_ncmds--;
1662 1662 cmd = icmd->icmd_cmd;
1663 1663 } else {
1664 1664 icmd = NULL;
1665 1665 }
1666 1666 mutex_exit(&iport->iport_cached_cmd_lock);
1667 1667 if (icmd == NULL) {
1668 1668 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_FCP_XCHG,
1669 1669 port->port_fca_fcp_cmd_size, 0);
1670 1670 if (cmd == NULL) {
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1671 1671 rw_exit(&irp->irp_lock);
1672 1672 rw_exit(&iport->iport_lock);
1673 1673 stmf_trace(iport->iport_alias, "Ran out of "
1674 1674 "memory, port=%p", port);
1675 1675 return (NULL);
1676 1676 }
1677 1677
1678 1678 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
1679 1679 icmd->icmd_next = NULL;
1680 1680 cmd->cmd_port = port;
1681 - atomic_add_32(&iport->iport_total_alloced_ncmds, 1);
1681 + atomic_inc_32(&iport->iport_total_alloced_ncmds);
1682 1682 }
1683 1683
1684 1684 /*
1685 1685 * The accuracy of iport_max_active_ncmds is not important
1686 1686 */
1687 1687 if ((iport->iport_total_alloced_ncmds - iport->iport_cached_ncmds) >
1688 1688 iport->iport_max_active_ncmds) {
1689 1689 iport->iport_max_active_ncmds =
1690 1690 iport->iport_total_alloced_ncmds -
1691 1691 iport->iport_cached_ncmds;
1692 1692 }
1693 1693
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1694 1694 /* Lets get a slot */
1695 1695 cmd_slot = fct_alloc_cmd_slot(iport, cmd);
1696 1696 if (cmd_slot == FCT_SLOT_EOL) {
1697 1697 rw_exit(&irp->irp_lock);
1698 1698 rw_exit(&iport->iport_lock);
1699 1699 stmf_trace(iport->iport_alias, "Ran out of xchg resources");
1700 1700 cmd->cmd_handle = 0;
1701 1701 fct_cmd_free(cmd);
1702 1702 return (NULL);
1703 1703 }
1704 - atomic_add_16(&irp->irp_fcp_xchg_count, 1);
1704 + atomic_inc_16(&irp->irp_fcp_xchg_count);
1705 1705 cmd->cmd_rp = rp;
1706 1706 icmd->icmd_flags |= ICMD_IN_TRANSITION | ICMD_KNOWN_TO_FCA;
1707 1707 rw_exit(&irp->irp_lock);
1708 1708 rw_exit(&iport->iport_lock);
1709 1709
1710 1710 icmd->icmd_start_time = ddi_get_lbolt();
1711 1711
1712 1712 cmd->cmd_specific = stmf_task_alloc(port->port_lport, irp->irp_session,
1713 1713 lun, cdb_length, task_ext);
1714 1714 if ((task = (scsi_task_t *)cmd->cmd_specific) != NULL) {
1715 1715 task->task_port_private = cmd;
1716 1716 return (cmd);
1717 1717 }
1718 1718
1719 1719 fct_cmd_free(cmd);
1720 1720
1721 1721 return (NULL);
1722 1722 }
1723 1723
1724 1724 void
1725 1725 fct_scsi_task_free(scsi_task_t *task)
1726 1726 {
1727 1727 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private;
1728 1728
1729 1729 cmd->cmd_comp_status = task->task_completion_status;
1730 1730 fct_cmd_free(cmd);
1731 1731 }
1732 1732
1733 1733 void
1734 1734 fct_post_rcvd_cmd(fct_cmd_t *cmd, stmf_data_buf_t *dbuf)
1735 1735 {
1736 1736 fct_dbuf_store_t *fds;
1737 1737
1738 1738 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) {
1739 1739 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
1740 1740 fct_i_local_port_t *iport =
1741 1741 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private;
1742 1742 fct_i_remote_port_t *irp =
1743 1743 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private;
1744 1744 scsi_task_t *task = (scsi_task_t *)cmd->cmd_specific;
1745 1745
1746 1746 uint16_t irp_task = irp->irp_fcp_xchg_count;
1747 1747 uint32_t load = iport->iport_total_alloced_ncmds -
1748 1748 iport->iport_cached_ncmds;
1749 1749
1750 1750 DTRACE_FC_4(scsi__command,
1751 1751 fct_cmd_t, cmd,
1752 1752 fct_i_local_port_t, iport,
1753 1753 scsi_task_t, task,
1754 1754 fct_i_remote_port_t, irp);
1755 1755
1756 1756 if (load >= iport->iport_task_green_limit) {
1757 1757 if ((load < iport->iport_task_yellow_limit &&
1758 1758 irp_task >= 4) ||
1759 1759 (load >= iport->iport_task_yellow_limit &&
1760 1760 load < iport->iport_task_red_limit &&
1761 1761 irp_task >= 1) ||
1762 1762 (load >= iport->iport_task_red_limit))
1763 1763 task->task_additional_flags |=
1764 1764 TASK_AF_PORT_LOAD_HIGH;
1765 1765 }
1766 1766 /*
1767 1767 * If the target driver accepts sglists, fill in task fields.
1768 1768 */
1769 1769 fds = cmd->cmd_port->port_fds;
1770 1770 if (fds->fds_setup_dbuf != NULL) {
1771 1771 task->task_additional_flags |= TASK_AF_ACCEPT_LU_DBUF;
1772 1772 task->task_copy_threshold = fds->fds_copy_threshold;
1773 1773 task->task_max_xfer_len = fds->fds_max_sgl_xfer_len;
1774 1774 /*
1775 1775 * A single stream load encounters a little extra
1776 1776 * latency if large xfers are done in 1 chunk.
1777 1777 * Give a hint to the LU that starting the xfer
1778 1778 * with a smaller chunk would be better in this case.
1779 1779 * For any other load, use maximum chunk size.
1780 1780 */
1781 1781 if (load == 1) {
1782 1782 /* estimate */
1783 1783 task->task_1st_xfer_len = 128*1024;
1784 1784 } else {
1785 1785 /* zero means no hint */
1786 1786 task->task_1st_xfer_len = 0;
1787 1787 }
1788 1788 }
1789 1789
1790 1790 stmf_post_task((scsi_task_t *)cmd->cmd_specific, dbuf);
1791 1791 atomic_and_32(&icmd->icmd_flags, ~ICMD_IN_TRANSITION);
1792 1792 return;
1793 1793 }
1794 1794 /* We dont need dbuf for other cmds */
1795 1795 if (dbuf) {
1796 1796 cmd->cmd_port->port_fds->fds_free_data_buf(
1797 1797 cmd->cmd_port->port_fds, dbuf);
1798 1798 dbuf = NULL;
1799 1799 }
1800 1800 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) {
1801 1801 fct_handle_els(cmd);
1802 1802 return;
1803 1803 }
1804 1804 if (cmd->cmd_type == FCT_CMD_RCVD_ABTS) {
1805 1805 fct_handle_rcvd_abts(cmd);
1806 1806 return;
1807 1807 }
1808 1808
1809 1809 ASSERT(0);
1810 1810 }
1811 1811
1812 1812 /*
1813 1813 * This function bypasses fct_handle_els()
1814 1814 */
1815 1815 void
1816 1816 fct_post_implicit_logo(fct_cmd_t *cmd)
1817 1817 {
1818 1818 fct_local_port_t *port = cmd->cmd_port;
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1819 1819 fct_i_local_port_t *iport =
1820 1820 (fct_i_local_port_t *)port->port_fct_private;
1821 1821 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
1822 1822 fct_remote_port_t *rp = cmd->cmd_rp;
1823 1823 fct_i_remote_port_t *irp = (fct_i_remote_port_t *)rp->rp_fct_private;
1824 1824
1825 1825 icmd->icmd_start_time = ddi_get_lbolt();
1826 1826
1827 1827 rw_enter(&irp->irp_lock, RW_WRITER);
1828 1828 atomic_or_32(&icmd->icmd_flags, ICMD_IMPLICIT_CMD_HAS_RESOURCE);
1829 - atomic_add_16(&irp->irp_nonfcp_xchg_count, 1);
1830 - atomic_add_16(&irp->irp_sa_elses_count, 1);
1829 + atomic_inc_16(&irp->irp_nonfcp_xchg_count);
1830 + atomic_inc_16(&irp->irp_sa_elses_count);
1831 1831 /*
1832 1832 * An implicit LOGO can also be posted to a irp where a PLOGI might
1833 1833 * be in process. That PLOGI will reset this flag and decrement the
1834 1834 * iport_nrps_login counter.
1835 1835 */
1836 1836 if (irp->irp_flags & IRP_PLOGI_DONE) {
1837 - atomic_add_32(&iport->iport_nrps_login, -1);
1837 + atomic_dec_32(&iport->iport_nrps_login);
1838 1838 }
1839 1839 atomic_and_32(&irp->irp_flags, ~(IRP_PLOGI_DONE | IRP_PRLI_DONE));
1840 1840 atomic_or_32(&icmd->icmd_flags, ICMD_SESSION_AFFECTING);
1841 1841 fct_post_to_discovery_queue(iport, irp, icmd);
1842 1842 rw_exit(&irp->irp_lock);
1843 1843 }
1844 1844
1845 1845 /*
1846 1846 * called with iport_lock held, return the slot number
1847 1847 */
1848 1848 uint16_t
1849 1849 fct_alloc_cmd_slot(fct_i_local_port_t *iport, fct_cmd_t *cmd)
1850 1850 {
1851 1851 uint16_t cmd_slot;
1852 1852 uint32_t old, new;
1853 1853 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
1854 1854
1855 1855 do {
1856 1856 old = iport->iport_next_free_slot;
1857 1857 cmd_slot = old & 0xFFFF;
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1858 1858 if (cmd_slot == FCT_SLOT_EOL)
1859 1859 return (cmd_slot);
1860 1860 /*
1861 1861 * We use high order 16 bits as a counter which keeps on
1862 1862 * incrementing to avoid ABA issues with atomic lists.
1863 1863 */
1864 1864 new = ((old + (0x10000)) & 0xFFFF0000);
1865 1865 new |= iport->iport_cmd_slots[cmd_slot].slot_next;
1866 1866 } while (atomic_cas_32(&iport->iport_next_free_slot, old, new) != old);
1867 1867
1868 - atomic_add_16(&iport->iport_nslots_free, -1);
1868 + atomic_dec_16(&iport->iport_nslots_free);
1869 1869 iport->iport_cmd_slots[cmd_slot].slot_cmd = icmd;
1870 1870 cmd->cmd_handle = (uint32_t)cmd_slot | 0x80000000 |
1871 1871 (((uint32_t)(iport->iport_cmd_slots[cmd_slot].slot_uniq_cntr))
1872 1872 << 24);
1873 1873 return (cmd_slot);
1874 1874 }
1875 1875
1876 1876 /*
1877 1877 * If icmd is not NULL, irp_lock must be held
1878 1878 */
1879 1879 void
1880 1880 fct_post_to_discovery_queue(fct_i_local_port_t *iport,
1881 1881 fct_i_remote_port_t *irp, fct_i_cmd_t *icmd)
1882 1882 {
1883 1883 fct_i_cmd_t **p;
1884 1884
1885 1885 ASSERT(!MUTEX_HELD(&iport->iport_worker_lock));
1886 1886 if (icmd) {
1887 1887 icmd->icmd_next = NULL;
1888 1888 for (p = &irp->irp_els_list; *p != NULL;
1889 1889 p = &((*p)->icmd_next))
1890 1890 ;
1891 1891
1892 1892 *p = icmd;
1893 1893 atomic_or_32(&icmd->icmd_flags, ICMD_IN_IRP_QUEUE);
1894 1894 }
1895 1895
1896 1896 mutex_enter(&iport->iport_worker_lock);
1897 1897 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) {
1898 1898
1899 1899 /*
1900 1900 * CAUTION: do not grab local_port/remote_port locks after
1901 1901 * grabbing the worker lock.
1902 1902 */
1903 1903 irp->irp_discovery_next = NULL;
1904 1904 if (iport->iport_rpwe_tail) {
1905 1905 iport->iport_rpwe_tail->irp_discovery_next = irp;
1906 1906 iport->iport_rpwe_tail = irp;
1907 1907 } else {
1908 1908 iport->iport_rpwe_head = iport->iport_rpwe_tail = irp;
1909 1909 }
1910 1910
1911 1911 atomic_or_32(&irp->irp_flags, IRP_IN_DISCOVERY_QUEUE);
1912 1912 }
1913 1913
1914 1914 /*
1915 1915 * We need always signal the port worker irrespective of the fact that
1916 1916 * irp is already in discovery queue or not.
1917 1917 */
1918 1918 if (IS_WORKER_SLEEPING(iport)) {
1919 1919 cv_signal(&iport->iport_worker_cv);
1920 1920 }
1921 1921 mutex_exit(&iport->iport_worker_lock);
1922 1922 }
1923 1923
1924 1924 stmf_status_t
1925 1925 fct_xfer_scsi_data(scsi_task_t *task, stmf_data_buf_t *dbuf, uint32_t ioflags)
1926 1926 {
1927 1927 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private;
1928 1928
1929 1929 DTRACE_FC_5(xfer__start,
1930 1930 fct_cmd_t, cmd,
1931 1931 fct_i_local_port_t, cmd->cmd_port->port_fct_private,
1932 1932 scsi_task_t, task,
1933 1933 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private,
1934 1934 stmf_data_buf_t, dbuf);
1935 1935
1936 1936 return (cmd->cmd_port->port_xfer_scsi_data(cmd, dbuf, ioflags));
1937 1937 }
1938 1938
1939 1939 void
1940 1940 fct_scsi_data_xfer_done(fct_cmd_t *cmd, stmf_data_buf_t *dbuf, uint32_t ioflags)
1941 1941 {
1942 1942 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
1943 1943 uint32_t old, new;
1944 1944 uint32_t iof = 0;
1945 1945
1946 1946 DTRACE_FC_5(xfer__done,
1947 1947 fct_cmd_t, cmd,
1948 1948 fct_i_local_port_t, cmd->cmd_port->port_fct_private,
1949 1949 scsi_task_t, ((scsi_task_t *)cmd->cmd_specific),
1950 1950 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private,
1951 1951 stmf_data_buf_t, dbuf);
1952 1952
1953 1953 if (ioflags & FCT_IOF_FCA_DONE) {
1954 1954 do {
1955 1955 old = new = icmd->icmd_flags;
1956 1956 if (old & ICMD_BEING_ABORTED) {
1957 1957 return;
1958 1958 }
1959 1959 new &= ~ICMD_KNOWN_TO_FCA;
1960 1960 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old);
1961 1961 iof = STMF_IOF_LPORT_DONE;
1962 1962 cmd->cmd_comp_status = dbuf->db_xfer_status;
1963 1963 }
1964 1964
1965 1965 if (icmd->icmd_flags & ICMD_BEING_ABORTED)
1966 1966 return;
1967 1967 stmf_data_xfer_done((scsi_task_t *)cmd->cmd_specific, dbuf, iof);
1968 1968 }
1969 1969
1970 1970 stmf_status_t
1971 1971 fct_send_scsi_status(scsi_task_t *task, uint32_t ioflags)
1972 1972 {
1973 1973 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private;
1974 1974
1975 1975 DTRACE_FC_4(scsi__response,
1976 1976 fct_cmd_t, cmd,
1977 1977 fct_i_local_port_t,
1978 1978 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private,
1979 1979 scsi_task_t, task,
1980 1980 fct_i_remote_port_t,
1981 1981 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private);
1982 1982
1983 1983 return (cmd->cmd_port->port_send_cmd_response(cmd, ioflags));
1984 1984 }
1985 1985
1986 1986 void
1987 1987 fct_send_response_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags)
1988 1988 {
1989 1989 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
1990 1990 fct_local_port_t *port = cmd->cmd_port;
1991 1991 fct_i_local_port_t *iport = (fct_i_local_port_t *)
1992 1992 port->port_fct_private;
1993 1993 uint32_t old, new;
1994 1994
1995 1995 if ((ioflags & FCT_IOF_FCA_DONE) == 0) {
1996 1996 /* Until we support confirmed completions, this is an error */
1997 1997 fct_queue_cmd_for_termination(cmd, s);
1998 1998 return;
1999 1999 }
2000 2000 do {
2001 2001 old = new = icmd->icmd_flags;
2002 2002 if (old & ICMD_BEING_ABORTED) {
2003 2003 return;
2004 2004 }
2005 2005 new &= ~ICMD_KNOWN_TO_FCA;
2006 2006 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old);
2007 2007
2008 2008 cmd->cmd_comp_status = s;
2009 2009 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) {
2010 2010 stmf_send_status_done((scsi_task_t *)cmd->cmd_specific, s,
2011 2011 STMF_IOF_LPORT_DONE);
2012 2012 return;
2013 2013 }
2014 2014
2015 2015 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) {
2016 2016 fct_cmd_free(cmd);
2017 2017 return;
2018 2018 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) {
2019 2019 fct_handle_sol_els_completion(iport, icmd);
2020 2020 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) {
2021 2021 /* Tell the caller that we are done */
2022 2022 atomic_or_32(&icmd->icmd_flags, ICMD_CMD_COMPLETE);
2023 2023 } else {
2024 2024 ASSERT(0);
2025 2025 }
2026 2026 }
2027 2027
2028 2028 void
2029 2029 fct_cmd_free(fct_cmd_t *cmd)
2030 2030 {
2031 2031 char info[FCT_INFO_LEN];
2032 2032 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
2033 2033 fct_local_port_t *port = cmd->cmd_port;
2034 2034 fct_i_local_port_t *iport = (fct_i_local_port_t *)
2035 2035 port->port_fct_private;
2036 2036 fct_i_remote_port_t *irp = NULL;
2037 2037 int do_abts_acc = 0;
2038 2038 uint32_t old, new;
2039 2039
2040 2040 ASSERT(!mutex_owned(&iport->iport_worker_lock));
2041 2041 /* Give the slot back */
2042 2042 if (CMD_HANDLE_VALID(cmd->cmd_handle)) {
2043 2043 uint16_t n = CMD_HANDLE_SLOT_INDEX(cmd->cmd_handle);
2044 2044 fct_cmd_slot_t *slot;
2045 2045
2046 2046 /*
2047 2047 * If anything went wrong, grab the lock as writer. This is
2048 2048 * probably unnecessary.
2049 2049 */
2050 2050 if ((cmd->cmd_comp_status != FCT_SUCCESS) ||
2051 2051 (icmd->icmd_flags & ICMD_ABTS_RECEIVED)) {
2052 2052 rw_enter(&iport->iport_lock, RW_WRITER);
2053 2053 } else {
2054 2054 rw_enter(&iport->iport_lock, RW_READER);
2055 2055 }
2056 2056
2057 2057 if ((icmd->icmd_flags & ICMD_ABTS_RECEIVED) &&
2058 2058 (cmd->cmd_link != NULL)) {
2059 2059 do_abts_acc = 1;
2060 2060 }
2061 2061
2062 2062 /* XXX Validate slot before freeing */
2063 2063
2064 2064 slot = &iport->iport_cmd_slots[n];
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2065 2065 slot->slot_uniq_cntr++;
2066 2066 slot->slot_cmd = NULL;
2067 2067 do {
2068 2068 old = iport->iport_next_free_slot;
2069 2069 slot->slot_next = old & 0xFFFF;
2070 2070 new = (old + 0x10000) & 0xFFFF0000;
2071 2071 new |= slot->slot_no;
2072 2072 } while (atomic_cas_32(&iport->iport_next_free_slot,
2073 2073 old, new) != old);
2074 2074 cmd->cmd_handle = 0;
2075 - atomic_add_16(&iport->iport_nslots_free, 1);
2075 + atomic_inc_16(&iport->iport_nslots_free);
2076 2076 if (cmd->cmd_rp) {
2077 2077 irp = (fct_i_remote_port_t *)
2078 2078 cmd->cmd_rp->rp_fct_private;
2079 2079 if (cmd->cmd_type == FCT_CMD_FCP_XCHG)
2080 - atomic_add_16(&irp->irp_fcp_xchg_count, -1);
2080 + atomic_dec_16(&irp->irp_fcp_xchg_count);
2081 2081 else
2082 - atomic_add_16(&irp->irp_nonfcp_xchg_count, -1);
2082 + atomic_dec_16(&irp->irp_nonfcp_xchg_count);
2083 2083 }
2084 2084 rw_exit(&iport->iport_lock);
2085 2085 } else if ((icmd->icmd_flags & ICMD_IMPLICIT) &&
2086 2086 (icmd->icmd_flags & ICMD_IMPLICIT_CMD_HAS_RESOURCE)) {
2087 2087 /* for implicit cmd, no cmd slot is used */
2088 2088 if (cmd->cmd_rp) {
2089 2089 irp = (fct_i_remote_port_t *)
2090 2090 cmd->cmd_rp->rp_fct_private;
2091 2091 if (cmd->cmd_type == FCT_CMD_FCP_XCHG)
2092 - atomic_add_16(&irp->irp_fcp_xchg_count, -1);
2092 + atomic_dec_16(&irp->irp_fcp_xchg_count);
2093 2093 else
2094 - atomic_add_16(&irp->irp_nonfcp_xchg_count, -1);
2094 + atomic_dec_16(&irp->irp_nonfcp_xchg_count);
2095 2095 }
2096 2096 }
2097 2097
2098 2098 if (do_abts_acc) {
2099 2099 fct_cmd_t *lcmd = cmd->cmd_link;
2100 2100 fct_fill_abts_acc(lcmd);
2101 2101 if (port->port_send_cmd_response(lcmd,
2102 2102 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) {
2103 2103 /*
2104 2104 * XXX Throw HBA fatal error event
2105 2105 * Later shutdown svc will terminate the ABTS in the end
2106 2106 */
2107 2107 (void) snprintf(info, sizeof (info),
2108 2108 "fct_cmd_free: iport-%p, ABTS_ACC"
2109 2109 " port_send_cmd_response failed", (void *)iport);
2110 2110 (void) fct_port_shutdown(iport->iport_port,
2111 2111 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info);
2112 2112 return;
2113 2113 } else {
2114 2114 fct_cmd_free(lcmd);
2115 2115 cmd->cmd_link = NULL;
2116 2116 }
2117 2117 }
2118 2118
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2119 2119 /* Free the cmd */
2120 2120 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) {
2121 2121 if (iport->iport_cached_ncmds < max_cached_ncmds) {
2122 2122 icmd->icmd_flags = 0;
2123 2123 mutex_enter(&iport->iport_cached_cmd_lock);
2124 2124 icmd->icmd_next = iport->iport_cached_cmdlist;
2125 2125 iport->iport_cached_cmdlist = icmd;
2126 2126 iport->iport_cached_ncmds++;
2127 2127 mutex_exit(&iport->iport_cached_cmd_lock);
2128 2128 } else {
2129 - atomic_add_32(&iport->iport_total_alloced_ncmds, -1);
2129 + atomic_dec_32(&iport->iport_total_alloced_ncmds);
2130 2130 fct_free(cmd);
2131 2131 }
2132 2132 } else {
2133 2133 fct_free(cmd);
2134 2134 }
2135 2135 }
2136 2136
2137 2137 /* ARGSUSED */
2138 2138 stmf_status_t
2139 2139 fct_scsi_abort(stmf_local_port_t *lport, int abort_cmd, void *arg,
2140 2140 uint32_t flags)
2141 2141 {
2142 2142 stmf_status_t ret = STMF_SUCCESS;
2143 2143 scsi_task_t *task;
2144 2144 fct_cmd_t *cmd;
2145 2145 fct_i_cmd_t *icmd;
2146 2146 fct_local_port_t *port;
2147 2147 uint32_t old, new;
2148 2148
2149 2149 ASSERT(abort_cmd == STMF_LPORT_ABORT_TASK);
2150 2150
2151 2151 task = (scsi_task_t *)arg;
2152 2152 cmd = (fct_cmd_t *)task->task_port_private;
2153 2153 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
2154 2154 port = (fct_local_port_t *)lport->lport_port_private;
2155 2155
2156 2156 do {
2157 2157 old = new = icmd->icmd_flags;
2158 2158 if ((old & ICMD_KNOWN_TO_FCA) == 0)
2159 2159 return (STMF_NOT_FOUND);
2160 2160 ASSERT((old & ICMD_FCA_ABORT_CALLED) == 0);
2161 2161 new |= ICMD_BEING_ABORTED | ICMD_FCA_ABORT_CALLED;
2162 2162 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old);
2163 2163 ret = port->port_abort_cmd(port, cmd, 0);
2164 2164 if ((ret == FCT_NOT_FOUND) || (ret == FCT_ABORT_SUCCESS)) {
2165 2165 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA);
2166 2166 } else if (ret == FCT_BUSY) {
2167 2167 atomic_and_32(&icmd->icmd_flags, ~ICMD_FCA_ABORT_CALLED);
2168 2168 }
2169 2169
2170 2170 return (ret);
2171 2171 }
2172 2172
2173 2173 void
2174 2174 fct_ctl(struct stmf_local_port *lport, int cmd, void *arg)
2175 2175 {
2176 2176 fct_local_port_t *port;
2177 2177 fct_i_local_port_t *iport;
2178 2178 stmf_change_status_t st;
2179 2179 stmf_change_status_t *pst;
2180 2180
2181 2181 ASSERT((cmd == STMF_CMD_LPORT_ONLINE) ||
2182 2182 (cmd == STMF_ACK_LPORT_ONLINE_COMPLETE) ||
2183 2183 (cmd == STMF_CMD_LPORT_OFFLINE) ||
2184 2184 (cmd == STMF_ACK_LPORT_OFFLINE_COMPLETE) ||
2185 2185 (cmd == FCT_CMD_PORT_ONLINE_COMPLETE) ||
2186 2186 (cmd == FCT_CMD_PORT_OFFLINE_COMPLETE));
2187 2187
2188 2188 port = (fct_local_port_t *)lport->lport_port_private;
2189 2189 pst = (stmf_change_status_t *)arg;
2190 2190 st.st_completion_status = STMF_SUCCESS;
2191 2191 st.st_additional_info = NULL;
2192 2192
2193 2193 iport = (fct_i_local_port_t *)port->port_fct_private;
2194 2194 /*
2195 2195 * We are mostly a passthrough, except during offline.
2196 2196 */
2197 2197 switch (cmd) {
2198 2198 case STMF_CMD_LPORT_ONLINE:
2199 2199 if (iport->iport_state == FCT_STATE_ONLINE)
2200 2200 st.st_completion_status = STMF_ALREADY;
2201 2201 else if (iport->iport_state != FCT_STATE_OFFLINE)
2202 2202 st.st_completion_status = STMF_INVALID_ARG;
2203 2203 if (st.st_completion_status != STMF_SUCCESS) {
2204 2204 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport,
2205 2205 &st);
2206 2206 break;
2207 2207 }
2208 2208 iport->iport_state_not_acked = 1;
2209 2209 iport->iport_state = FCT_STATE_ONLINING;
2210 2210 port->port_ctl(port, FCT_CMD_PORT_ONLINE, arg);
2211 2211 break;
2212 2212 case FCT_CMD_PORT_ONLINE_COMPLETE:
2213 2213 ASSERT(iport->iport_state == FCT_STATE_ONLINING);
2214 2214 if (pst->st_completion_status != FCT_SUCCESS) {
2215 2215 iport->iport_state = FCT_STATE_OFFLINE;
2216 2216 iport->iport_state_not_acked = 0;
2217 2217 } else {
2218 2218 iport->iport_state = FCT_STATE_ONLINE;
2219 2219 }
2220 2220 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport, arg);
2221 2221 break;
2222 2222 case STMF_ACK_LPORT_ONLINE_COMPLETE:
2223 2223 ASSERT(iport->iport_state == FCT_STATE_ONLINE);
2224 2224 iport->iport_state_not_acked = 0;
2225 2225 port->port_ctl(port, FCT_ACK_PORT_ONLINE_COMPLETE, arg);
2226 2226 break;
2227 2227
2228 2228 case STMF_CMD_LPORT_OFFLINE:
2229 2229 if (iport->iport_state == FCT_STATE_OFFLINE)
2230 2230 st.st_completion_status = STMF_ALREADY;
2231 2231 else if (iport->iport_state != FCT_STATE_ONLINE)
2232 2232 st.st_completion_status = STMF_INVALID_ARG;
2233 2233 if (st.st_completion_status != STMF_SUCCESS) {
2234 2234 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport,
2235 2235 &st);
2236 2236 break;
2237 2237 }
2238 2238 iport->iport_state_not_acked = 1;
2239 2239 iport->iport_state = FCT_STATE_OFFLINING;
2240 2240 port->port_ctl(port, FCT_CMD_PORT_OFFLINE, arg);
2241 2241 break;
2242 2242 case FCT_CMD_PORT_OFFLINE_COMPLETE:
2243 2243 ASSERT(iport->iport_state == FCT_STATE_OFFLINING);
2244 2244 if (pst->st_completion_status != FCT_SUCCESS) {
2245 2245 iport->iport_state = FCT_STATE_ONLINE;
2246 2246 iport->iport_state_not_acked = 0;
2247 2247 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport,
2248 2248 pst);
2249 2249 break;
2250 2250 }
2251 2251
2252 2252 /*
2253 2253 * If FCA's offline was successful, we dont tell stmf yet.
2254 2254 * Becasue now we have to do the cleanup before we go upto
2255 2255 * stmf. That cleanup is done by the worker thread.
2256 2256 */
2257 2257
2258 2258 /* FCA is offline, post a link down, its harmless anyway */
2259 2259 fct_handle_event(port, FCT_EVENT_LINK_DOWN, 0, 0);
2260 2260
2261 2261 /* Trigger port offline processing by the worker */
2262 2262 iport->iport_offline_prstate = FCT_OPR_START;
2263 2263 break;
2264 2264 case STMF_ACK_LPORT_OFFLINE_COMPLETE:
2265 2265 ASSERT(iport->iport_state == FCT_STATE_OFFLINE);
2266 2266 iport->iport_state_not_acked = 0;
2267 2267 port->port_ctl(port, FCT_ACK_PORT_OFFLINE_COMPLETE, arg);
2268 2268 break;
2269 2269 }
2270 2270 }
2271 2271
2272 2272 /* ARGSUSED */
2273 2273 stmf_status_t
2274 2274 fct_info(uint32_t cmd, stmf_local_port_t *lport, void *arg, uint8_t *buf,
2275 2275 uint32_t *bufsizep)
2276 2276 {
2277 2277 return (STMF_NOT_SUPPORTED);
2278 2278 }
2279 2279
2280 2280 /*
2281 2281 * implicit: if it's true, it means it will only be used in fct module, or else
2282 2282 * it will be sent to the link.
2283 2283 */
2284 2284 fct_cmd_t *
2285 2285 fct_create_solels(fct_local_port_t *port, fct_remote_port_t *rp, int implicit,
2286 2286 uchar_t elsop, uint32_t wkdid, fct_icmd_cb_t icmdcb)
2287 2287 {
2288 2288 fct_cmd_t *cmd = NULL;
2289 2289 fct_i_cmd_t *icmd = NULL;
2290 2290 fct_els_t *els = NULL;
2291 2291 fct_i_remote_port_t *irp = NULL;
2292 2292 uint8_t *p = NULL;
2293 2293 uint32_t ptid = 0;
2294 2294
2295 2295 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_SOL_ELS,
2296 2296 port->port_fca_sol_els_private_size, 0);
2297 2297 if (!cmd) {
2298 2298 return (NULL);
2299 2299 }
2300 2300
2301 2301 if (rp) {
2302 2302 irp = RP_TO_IRP(rp);
2303 2303 } else if (((irp = fct_portid_to_portptr(PORT_TO_IPORT(port),
2304 2304 wkdid)) == NULL) && (elsop != ELS_OP_PLOGI)) {
2305 2305 stmf_trace(PORT_TO_IPORT(port)->iport_alias,
2306 2306 "fct_create_solels: Must PLOGI to %x first", wkdid);
2307 2307 fct_free(cmd);
2308 2308 return (NULL);
2309 2309 }
2310 2310
2311 2311 cmd->cmd_port = port;
2312 2312 cmd->cmd_oxid = PTR2INT(cmd, uint16_t);
2313 2313 cmd->cmd_rxid = 0xFFFF;
2314 2314 cmd->cmd_handle = 0;
2315 2315 icmd = CMD_TO_ICMD(cmd);
2316 2316 els = ICMD_TO_ELS(icmd);
2317 2317 icmd->icmd_cb = icmdcb;
2318 2318 if (irp) {
2319 2319 cmd->cmd_rp = irp->irp_rp;
2320 2320 cmd->cmd_rp_handle = irp->irp_rp->rp_handle;
2321 2321 cmd->cmd_rportid = irp->irp_rp->rp_id;
2322 2322 } else {
2323 2323 cmd->cmd_rp_handle = FCT_HANDLE_NONE;
2324 2324 cmd->cmd_rportid = wkdid;
2325 2325 }
2326 2326 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid;
2327 2327
2328 2328 if (implicit) {
2329 2329 /*
2330 2330 * Since we will not send it to FCA, so we only allocate space
2331 2331 */
2332 2332 ASSERT(elsop & (ELS_OP_LOGO | ELS_OP_PLOGI));
2333 2333 icmd->icmd_flags |= ICMD_IMPLICIT;
2334 2334 if (elsop == ELS_OP_LOGO) {
2335 2335 /*
2336 2336 * Handling implicit LOGO should dependent on as less
2337 2337 * as resources. So a trick here.
2338 2338 */
2339 2339 els->els_req_size = 1;
2340 2340 els->els_req_payload = cmd->cmd_fca_private;
2341 2341 } else {
2342 2342 els->els_req_alloc_size = els->els_req_size = 116;
2343 2343 els->els_resp_alloc_size = els->els_resp_size = 116;
2344 2344 els->els_req_payload = (uint8_t *)
2345 2345 kmem_zalloc(els->els_req_size, KM_SLEEP);
2346 2346 els->els_resp_payload = (uint8_t *)
2347 2347 kmem_zalloc(els->els_resp_size, KM_SLEEP);
2348 2348 }
2349 2349 } else {
2350 2350 /*
2351 2351 * Allocate space for its request and response
2352 2352 * Fill the request payload according to spec.
2353 2353 */
2354 2354 switch (elsop) {
2355 2355 case ELS_OP_LOGO:
2356 2356 els->els_resp_alloc_size = els->els_resp_size = 4;
2357 2357 els->els_resp_payload = (uint8_t *)kmem_zalloc(
2358 2358 els->els_resp_size, KM_SLEEP);
2359 2359 els->els_req_alloc_size = els->els_req_size = 16;
2360 2360 els->els_req_payload = (uint8_t *)kmem_zalloc(
2361 2361 els->els_req_size, KM_SLEEP);
2362 2362 ptid = PORT_TO_IPORT(port)->iport_link_info.portid;
2363 2363 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3);
2364 2364 bcopy(port->port_pwwn, els->els_req_payload + 8, 8);
2365 2365 break;
2366 2366
2367 2367 case ELS_OP_RSCN:
2368 2368 els->els_resp_alloc_size = els->els_resp_size = 4;
2369 2369 els->els_resp_payload = (uint8_t *)kmem_zalloc(
2370 2370 els->els_resp_size, KM_SLEEP);
2371 2371 els->els_req_size = els->els_req_alloc_size = 8;
2372 2372 els->els_req_payload = (uint8_t *)kmem_zalloc(
2373 2373 els->els_req_size, KM_SLEEP);
2374 2374 els->els_req_payload[1] = 0x04;
2375 2375 els->els_req_payload[3] = 0x08;
2376 2376 els->els_req_payload[4] |= 0x80;
2377 2377 ptid = PORT_TO_IPORT(port)->iport_link_info.portid;
2378 2378 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3);
2379 2379 break;
2380 2380
2381 2381 case ELS_OP_PLOGI:
2382 2382 els->els_resp_alloc_size = els->els_resp_size = 116;
2383 2383 els->els_resp_payload = (uint8_t *)
2384 2384 kmem_zalloc(els->els_resp_size, KM_SLEEP);
2385 2385 els->els_req_alloc_size = els->els_req_size = 116;
2386 2386 p = els->els_req_payload = (uint8_t *)
2387 2387 kmem_zalloc(els->els_req_size, KM_SLEEP);
2388 2388 bcopy(port->port_pwwn, p + 20, 8);
2389 2389 bcopy(port->port_nwwn, p + 28, 8);
2390 2390
2391 2391 /*
2392 2392 * Common service parameters
2393 2393 */
2394 2394 p[0x04] = 0x09; /* high version */
2395 2395 p[0x05] = 0x08; /* low version */
2396 2396 p[0x06] = 0x00; /* BB credit: 0x0065 */
2397 2397 p[0x07] = 0x65;
2398 2398
2399 2399 /* CI0: Continuously Increasing Offset - 1 */
2400 2400 /* RRO: Randomly Relative Offset - 0 */
2401 2401 /* VVV: Vendor Version Level - 0 */
2402 2402 /* N-F: N or F Port Payload Sender - 0 (N) */
2403 2403 /* BBM: BB Credit Management - 0 (Normal) */
2404 2404 p[0x08] = 0x80;
2405 2405 p[0x09] = 0x00;
2406 2406
2407 2407 /* Max RX size */
2408 2408 p[0x0A] = 0x08;
2409 2409 p[0x0B] = 0x00;
2410 2410
2411 2411 /* NPTCS: N Port Total Concurrent Sequences - 0x0000 */
2412 2412 p[0x0C] = 0x00;
2413 2413 p[0x0D] = 0x00;
2414 2414
2415 2415 /* ROIC: Relative Offset By Info - 0xFFFF */
2416 2416 p[0x0E] = 0xFF;
2417 2417 p[0x0F] = 0xFF;
2418 2418
2419 2419 /* EDTOV: Error Detect Timeout - 0x000007D0 */
2420 2420 p[0x10] = 0x00;
2421 2421 p[0x11] = 0x00;
2422 2422 p[0x12] = 0x07;
2423 2423 p[0x13] = 0xD0;
2424 2424
2425 2425 /*
2426 2426 * Class-3 Parameters
2427 2427 */
2428 2428 /* C3-VAL: Class 3 Value - 1 */
2429 2429 /* C3-XID: X_ID Reassignment - 0 */
2430 2430 /* C3-IPA: Initial Process Assignment */
2431 2431 /* C3-AI-DCC: Data compression capable */
2432 2432 /* C3-AI-DC-HB: Data compression history buffer size */
2433 2433 /* C3-AI-DCE: Data encrytion capable */
2434 2434 /* C3-AI-CSC: Clock synchronization capable */
2435 2435 /* C3-ErrPol: Error pliciy */
2436 2436 /* C3-CatSeq: Information Cat. Per Sequence */
2437 2437 /* C3-AR-DCC: */
2438 2438 /* C3-AR-DC-HB: */
2439 2439 /* C3-AR-DCE: */
2440 2440 /* C3-AR-CSC */
2441 2441 p[0x44] = 0x80;
2442 2442 p[0x45] = 0x00;
2443 2443 p[0x46] = 0x00;
2444 2444 p[0x47] = 0x00;
2445 2445 p[0x48] = 0x00;
2446 2446 p[0x49] = 0x00;
2447 2447
2448 2448 /* C3-RxSize: Class 3 receive data size */
2449 2449 p[0x4A] = 0x08;
2450 2450 p[0x4B] = 0x00;
2451 2451
2452 2452 /* C3-ConSeq: Class 3 Concourrent sequences */
2453 2453 p[0x4C] = 0x00;
2454 2454 p[0x4D] = 0xFF;
2455 2455
2456 2456 /* C3-OSPE: Class 3 open sequence per exchange */
2457 2457 p[0x50] = 0x00;
2458 2458 p[0x51] = 0x01;
2459 2459
2460 2460 break;
2461 2461
2462 2462 case ELS_OP_SCR:
2463 2463 els->els_resp_alloc_size = els->els_resp_size = 4;
2464 2464 els->els_resp_payload = (uint8_t *)
2465 2465 kmem_zalloc(els->els_resp_size, KM_SLEEP);
2466 2466 els->els_req_alloc_size = els->els_req_size = 8;
2467 2467 p = els->els_req_payload = (uint8_t *)
2468 2468 kmem_zalloc(els->els_req_size, KM_SLEEP);
2469 2469 p[7] = FC_SCR_FULL_REGISTRATION;
2470 2470 break;
2471 2471 case ELS_OP_RLS:
2472 2472 els->els_resp_alloc_size = els->els_resp_size = 28;
2473 2473 els->els_resp_payload = (uint8_t *)
2474 2474 kmem_zalloc(els->els_resp_size, KM_SLEEP);
2475 2475 els->els_req_alloc_size = els->els_req_size = 8;
2476 2476 p = els->els_req_payload = (uint8_t *)
2477 2477 kmem_zalloc(els->els_req_size, KM_SLEEP);
2478 2478 ptid = PORT_TO_IPORT(port)->iport_link_info.portid;
2479 2479 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3);
2480 2480 break;
2481 2481
2482 2482 default:
2483 2483 ASSERT(0);
2484 2484 }
2485 2485 }
2486 2486
2487 2487 els->els_req_payload[0] = elsop;
2488 2488 return (cmd);
2489 2489 }
2490 2490
2491 2491 fct_cmd_t *
2492 2492 fct_create_solct(fct_local_port_t *port, fct_remote_port_t *query_rp,
2493 2493 uint16_t ctop, fct_icmd_cb_t icmdcb)
2494 2494 {
2495 2495 fct_cmd_t *cmd = NULL;
2496 2496 fct_i_cmd_t *icmd = NULL;
2497 2497 fct_sol_ct_t *ct = NULL;
2498 2498 uint8_t *p = NULL;
2499 2499 fct_i_remote_port_t *irp = NULL;
2500 2500 fct_i_local_port_t *iport = NULL;
2501 2501 char *nname = NULL;
2502 2502 int namelen = 0;
2503 2503
2504 2504 /*
2505 2505 * Allocate space
2506 2506 */
2507 2507 cmd = fct_alloc(FCT_STRUCT_CMD_SOL_CT,
2508 2508 port->port_fca_sol_ct_private_size, 0);
2509 2509 if (!cmd) {
2510 2510 return (NULL);
2511 2511 }
2512 2512
2513 2513 /*
2514 2514 * We should have PLOGIed to the name server (0xFFFFFC)
2515 2515 * Caution: this irp is not query_rp->rp_fct_private.
2516 2516 */
2517 2517 irp = fct_portid_to_portptr((fct_i_local_port_t *)
2518 2518 port->port_fct_private, FS_NAME_SERVER);
2519 2519 if (irp == NULL) {
2520 2520 stmf_trace(PORT_TO_IPORT(port)->iport_alias,
2521 2521 "fct_create_solct: Must PLOGI name server first");
2522 2522 fct_free(cmd);
2523 2523 return (NULL);
2524 2524 }
2525 2525
2526 2526 cmd->cmd_port = port;
2527 2527 cmd->cmd_rp = irp->irp_rp;
2528 2528 cmd->cmd_rp_handle = irp->irp_rp->rp_handle;
2529 2529 cmd->cmd_rportid = irp->irp_rp->rp_id;
2530 2530 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid;
2531 2531 cmd->cmd_oxid = PTR2INT(cmd, uint16_t);
2532 2532 cmd->cmd_rxid = 0xFFFF;
2533 2533 cmd->cmd_handle = 0;
2534 2534 icmd = CMD_TO_ICMD(cmd);
2535 2535 ct = ICMD_TO_CT(icmd);
2536 2536 icmd->icmd_cb = icmdcb;
2537 2537 iport = ICMD_TO_IPORT(icmd);
2538 2538
2539 2539 switch (ctop) {
2540 2540 case NS_GSNN_NN:
2541 2541 /*
2542 2542 * Allocate max space for its sybolic name
2543 2543 */
2544 2544 ct->ct_resp_alloc_size = ct->ct_resp_size = 272;
2545 2545 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2546 2546 KM_SLEEP);
2547 2547
2548 2548 ct->ct_req_size = ct->ct_req_alloc_size = 24;
2549 2549 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2550 2550 KM_SLEEP);
2551 2551
2552 2552 bcopy(query_rp->rp_nwwn, p + 16, 8);
2553 2553 break;
2554 2554
2555 2555 case NS_RNN_ID:
2556 2556 ct->ct_resp_alloc_size = ct->ct_resp_size = 16;
2557 2557 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2558 2558 KM_SLEEP);
2559 2559 ct->ct_req_size = ct->ct_req_alloc_size = 28;
2560 2560 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2561 2561 KM_SLEEP);
2562 2562
2563 2563 /*
2564 2564 * Port Identifier
2565 2565 */
2566 2566 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF;
2567 2567 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF;
2568 2568 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF;
2569 2569
2570 2570 /*
2571 2571 * Node Name
2572 2572 */
2573 2573 bcopy(port->port_nwwn, p + 20, 8);
2574 2574 break;
2575 2575
2576 2576 case NS_RCS_ID:
2577 2577 ct->ct_resp_alloc_size = ct->ct_resp_size = 16;
2578 2578 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2579 2579 KM_SLEEP);
2580 2580 ct->ct_req_size = ct->ct_req_alloc_size = 24;
2581 2581 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2582 2582 KM_SLEEP);
2583 2583
2584 2584 /*
2585 2585 * Port Identifier
2586 2586 */
2587 2587 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF;
2588 2588 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF;
2589 2589 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF;
2590 2590
2591 2591 /*
2592 2592 * Class of Service
2593 2593 */
2594 2594 *(p + 23) = FC_NS_CLASS3;
2595 2595 break;
2596 2596
2597 2597 case NS_RFT_ID:
2598 2598 ct->ct_resp_alloc_size = ct->ct_resp_size = 16;
2599 2599 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2600 2600 KM_SLEEP);
2601 2601 ct->ct_req_size = ct->ct_req_alloc_size = 52;
2602 2602 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2603 2603 KM_SLEEP);
2604 2604
2605 2605 /*
2606 2606 * Port Identifier
2607 2607 */
2608 2608 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF;
2609 2609 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF;
2610 2610 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF;
2611 2611
2612 2612 /*
2613 2613 * FC-4 Protocol Types
2614 2614 */
2615 2615 *(p + 22) = 0x1; /* 0x100 */
2616 2616 break;
2617 2617
2618 2618 case NS_RSPN_ID:
2619 2619 /*
2620 2620 * If we get here, port->port_sym_port_name is always not NULL.
2621 2621 */
2622 2622 ASSERT(port->port_sym_port_name);
2623 2623 namelen = strlen(port->port_sym_port_name);
2624 2624 ct->ct_resp_alloc_size = ct->ct_resp_size = 16;
2625 2625 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2626 2626 KM_SLEEP);
2627 2627 ct->ct_req_size = ct->ct_req_alloc_size =
2628 2628 (21 + namelen + 3) & ~3;
2629 2629 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2630 2630 KM_SLEEP);
2631 2631
2632 2632 /*
2633 2633 * Port Identifier
2634 2634 */
2635 2635 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF;
2636 2636 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF;
2637 2637 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF;
2638 2638
2639 2639 /*
2640 2640 * String length
2641 2641 */
2642 2642 p[20] = namelen;
2643 2643
2644 2644 /*
2645 2645 * Symbolic port name
2646 2646 */
2647 2647 bcopy(port->port_sym_port_name, p + 21, ct->ct_req_size - 21);
2648 2648 break;
2649 2649
2650 2650 case NS_RSNN_NN:
2651 2651 namelen = port->port_sym_node_name == NULL ?
2652 2652 strlen(utsname.nodename) :
2653 2653 strlen(port->port_sym_node_name);
2654 2654 nname = port->port_sym_node_name == NULL ?
2655 2655 utsname.nodename : port->port_sym_node_name;
2656 2656
2657 2657 ct->ct_resp_alloc_size = ct->ct_resp_size = 16;
2658 2658 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2659 2659 KM_SLEEP);
2660 2660 ct->ct_req_size = ct->ct_req_alloc_size =
2661 2661 (25 + namelen + 3) & ~3;
2662 2662 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2663 2663 KM_SLEEP);
2664 2664
2665 2665 /*
2666 2666 * Node name
2667 2667 */
2668 2668 bcopy(port->port_nwwn, p + 16, 8);
2669 2669
2670 2670 /*
2671 2671 * String length
2672 2672 */
2673 2673 p[24] = namelen;
2674 2674
2675 2675 /*
2676 2676 * Symbolic node name
2677 2677 */
2678 2678 bcopy(nname, p + 25, ct->ct_req_size - 25);
2679 2679 break;
2680 2680
2681 2681 case NS_GSPN_ID:
2682 2682 ct->ct_resp_alloc_size = ct->ct_resp_size = 272;
2683 2683 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2684 2684 KM_SLEEP);
2685 2685 ct->ct_req_size = ct->ct_req_alloc_size = 20;
2686 2686 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2687 2687 KM_SLEEP);
2688 2688 /*
2689 2689 * Port Identifier
2690 2690 */
2691 2691 p[17] = (query_rp->rp_id >> 16) & 0xFF;
2692 2692 p[18] = (query_rp->rp_id >> 8) & 0xFF;
2693 2693 p[19] = (query_rp->rp_id >> 0) & 0xFF;
2694 2694 break;
2695 2695
2696 2696 case NS_GCS_ID:
2697 2697 ct->ct_resp_alloc_size = ct->ct_resp_size = 20;
2698 2698 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2699 2699 KM_SLEEP);
2700 2700 ct->ct_req_size = ct->ct_req_alloc_size = 20;
2701 2701 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2702 2702 KM_SLEEP);
2703 2703 /*
2704 2704 * Port Identifier
2705 2705 */
2706 2706 p[17] = (query_rp->rp_id >> 16) & 0xFF;
2707 2707 p[18] = (query_rp->rp_id >> 8) & 0xFF;
2708 2708 p[19] = (query_rp->rp_id >> 0) & 0xFF;
2709 2709 break;
2710 2710
2711 2711 case NS_GFT_ID:
2712 2712 ct->ct_resp_alloc_size = ct->ct_resp_size = 48;
2713 2713 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2714 2714 KM_SLEEP);
2715 2715 ct->ct_req_size = ct->ct_req_alloc_size = 20;
2716 2716 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2717 2717 KM_SLEEP);
2718 2718 /*
2719 2719 * Port Identifier
2720 2720 */
2721 2721 p[17] = (query_rp->rp_id >> 16) & 0xFF;
2722 2722 p[18] = (query_rp->rp_id >> 8) & 0xFF;
2723 2723 p[19] = (query_rp->rp_id >> 0) & 0xFF;
2724 2724 break;
2725 2725
2726 2726 case NS_GID_PN:
2727 2727 ct->ct_resp_alloc_size = ct->ct_resp_size = 20;
2728 2728 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size,
2729 2729 KM_SLEEP);
2730 2730
2731 2731 ct->ct_req_size = ct->ct_req_alloc_size = 24;
2732 2732 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size,
2733 2733 KM_SLEEP);
2734 2734
2735 2735 bcopy(query_rp->rp_pwwn, p + 16, 8);
2736 2736 break;
2737 2737
2738 2738 default:
2739 2739 /* CONSTCOND */
2740 2740 ASSERT(0);
2741 2741 }
2742 2742
2743 2743 FCT_FILL_CTIU_PREAMBLE(p, ctop);
2744 2744 return (cmd);
2745 2745 }
2746 2746
2747 2747 /*
2748 2748 * Cmd can only be solicited CT/ELS. They will be dispatched to the discovery
2749 2749 * queue eventually too.
2750 2750 * We queue solicited cmds here to track solicited cmds and to take full use
2751 2751 * of single thread mechanism.
2752 2752 * But in current implmentation, we don't use this mechanism on SOL_CT, PLOGI.
2753 2753 * To avoid to interrupt current flow, ICMD_IN_SOLCMD_QUEUE is used here.
2754 2754 */
2755 2755 void
2756 2756 fct_post_to_solcmd_queue(fct_local_port_t *port, fct_cmd_t *cmd)
2757 2757 {
2758 2758 fct_i_local_port_t *iport = (fct_i_local_port_t *)
2759 2759 port->port_fct_private;
2760 2760 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
2761 2761
2762 2762 mutex_enter(&iport->iport_worker_lock);
2763 2763 icmd->icmd_solcmd_next = iport->iport_solcmd_queue;
2764 2764 iport->iport_solcmd_queue = icmd;
2765 2765 atomic_or_32(&icmd->icmd_flags, ICMD_IN_SOLCMD_QUEUE | ICMD_SOLCMD_NEW);
2766 2766 if (IS_WORKER_SLEEPING(iport)) {
2767 2767 cv_signal(&iport->iport_worker_cv);
2768 2768 }
2769 2769 mutex_exit(&iport->iport_worker_lock);
2770 2770 }
2771 2771
2772 2772 /* ARGSUSED */
2773 2773 void
2774 2774 fct_event_handler(stmf_local_port_t *lport, int eventid, void *arg,
2775 2775 uint32_t flags)
2776 2776 {
2777 2777 fct_local_port_t *port = (fct_local_port_t *)
2778 2778 lport->lport_port_private;
2779 2779 fct_i_local_port_t *iport = (fct_i_local_port_t *)
2780 2780 port->port_fct_private;
2781 2781 stmf_scsi_session_t *ss;
2782 2782 fct_i_remote_port_t *irp;
2783 2783
2784 2784 switch (eventid) {
2785 2785 case LPORT_EVENT_INITIAL_LUN_MAPPED:
2786 2786 ss = (stmf_scsi_session_t *)arg;
2787 2787 irp = (fct_i_remote_port_t *)ss->ss_port_private;
2788 2788 stmf_trace(iport->iport_alias,
2789 2789 "Initial LUN mapped to session ss-%p, irp-%p", ss, irp);
2790 2790 break;
2791 2791
2792 2792 default:
2793 2793 stmf_trace(iport->iport_alias,
2794 2794 "Unknown event received, %d", eventid);
2795 2795 }
2796 2796 }
2797 2797
2798 2798 void
2799 2799 fct_send_cmd_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags)
2800 2800 {
2801 2801 /* XXX For now just call send_resp_done() */
2802 2802 fct_send_response_done(cmd, s, ioflags);
2803 2803 }
2804 2804
2805 2805 void
2806 2806 fct_cmd_fca_aborted(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags)
2807 2807 {
2808 2808 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
2809 2809 char info[FCT_INFO_LEN];
2810 2810 unsigned long long st;
2811 2811
2812 2812 st = s; /* To make gcc happy */
2813 2813 ASSERT(icmd->icmd_flags & ICMD_BEING_ABORTED);
2814 2814 if ((((s != FCT_ABORT_SUCCESS) && (s != FCT_NOT_FOUND))) ||
2815 2815 ((ioflags & FCT_IOF_FCA_DONE) == 0)) {
2816 2816 (void) snprintf(info, sizeof (info),
2817 2817 "fct_cmd_fca_aborted: cmd-%p, "
2818 2818 "s-%llx, iofalgs-%x", (void *)cmd, st, ioflags);
2819 2819 (void) fct_port_shutdown(cmd->cmd_port,
2820 2820 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info);
2821 2821 return;
2822 2822 }
2823 2823
2824 2824 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA);
2825 2825 /* For non FCP Rest of the work is done by the terminator */
2826 2826 /* For FCP stuff just call stmf */
2827 2827 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) {
2828 2828 stmf_task_lport_aborted((scsi_task_t *)cmd->cmd_specific,
2829 2829 s, STMF_IOF_LPORT_DONE);
2830 2830 }
2831 2831 }
2832 2832
2833 2833 /*
2834 2834 * FCA drivers will use it, when they want to abort some FC transactions
2835 2835 * due to lack of resource.
2836 2836 */
2837 2837 uint16_t
2838 2838 fct_get_rp_handle(fct_local_port_t *port, uint32_t rportid)
2839 2839 {
2840 2840 fct_i_remote_port_t *irp;
2841 2841
2842 2842 irp = fct_portid_to_portptr(
2843 2843 (fct_i_local_port_t *)(port->port_fct_private), rportid);
2844 2844 if (irp == NULL) {
2845 2845 return (0xFFFF);
2846 2846 } else {
2847 2847 return (irp->irp_rp->rp_handle);
2848 2848 }
2849 2849 }
2850 2850
2851 2851 fct_cmd_t *
2852 2852 fct_handle_to_cmd(fct_local_port_t *port, uint32_t fct_handle)
2853 2853 {
2854 2854 fct_cmd_slot_t *slot;
2855 2855 uint16_t ndx;
2856 2856
2857 2857 if (!CMD_HANDLE_VALID(fct_handle))
2858 2858 return (NULL);
2859 2859 if ((ndx = CMD_HANDLE_SLOT_INDEX(fct_handle)) >= port->port_max_xchges)
2860 2860 return (NULL);
2861 2861
2862 2862 slot = &((fct_i_local_port_t *)port->port_fct_private)->iport_cmd_slots[
2863 2863 ndx];
2864 2864
2865 2865 if ((slot->slot_uniq_cntr | 0x80) != (fct_handle >> 24))
2866 2866 return (NULL);
2867 2867 return (slot->slot_cmd->icmd_cmd);
2868 2868 }
2869 2869
2870 2870 void
2871 2871 fct_queue_scsi_task_for_termination(fct_cmd_t *cmd, fct_status_t s)
2872 2872 {
2873 2873 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
2874 2874
2875 2875 uint32_t old, new;
2876 2876
2877 2877 do {
2878 2878 old = icmd->icmd_flags;
2879 2879 if ((old & (ICMD_BEING_ABORTED | ICMD_KNOWN_TO_FCA)) !=
2880 2880 ICMD_KNOWN_TO_FCA)
2881 2881 return;
2882 2882 new = old | ICMD_BEING_ABORTED;
2883 2883 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old);
2884 2884 stmf_abort(STMF_QUEUE_TASK_ABORT, (scsi_task_t *)cmd->cmd_specific,
2885 2885 s, NULL);
2886 2886 }
2887 2887
2888 2888 void
2889 2889 fct_fill_abts_acc(fct_cmd_t *cmd)
2890 2890 {
2891 2891 fct_rcvd_abts_t *abts = (fct_rcvd_abts_t *)cmd->cmd_specific;
2892 2892 uint8_t *p;
2893 2893
2894 2894 abts->abts_resp_rctl = BLS_OP_BA_ACC;
2895 2895 p = abts->abts_resp_payload;
2896 2896 bzero(p, 12);
2897 2897 *((uint16_t *)(p+4)) = BE_16(cmd->cmd_oxid);
2898 2898 *((uint16_t *)(p+6)) = BE_16(cmd->cmd_rxid);
2899 2899 p[10] = p[11] = 0xff;
2900 2900 }
2901 2901
2902 2902 void
2903 2903 fct_handle_rcvd_abts(fct_cmd_t *cmd)
2904 2904 {
2905 2905 char info[FCT_INFO_LEN];
2906 2906 fct_local_port_t *port = cmd->cmd_port;
2907 2907 fct_i_local_port_t *iport =
2908 2908 (fct_i_local_port_t *)port->port_fct_private;
2909 2909 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
2910 2910 fct_i_remote_port_t *irp;
2911 2911 fct_cmd_t *c = NULL;
2912 2912 fct_i_cmd_t *ic = NULL;
2913 2913 int found = 0;
2914 2914 int i;
2915 2915
2916 2916 icmd->icmd_start_time = ddi_get_lbolt();
2917 2917 icmd->icmd_flags |= ICMD_KNOWN_TO_FCA;
2918 2918
2919 2919 rw_enter(&iport->iport_lock, RW_WRITER);
2920 2920 /* Make sure local port is sane */
2921 2921 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) {
2922 2922 rw_exit(&iport->iport_lock);
2923 2923 stmf_trace(iport->iport_alias, "ABTS not posted becasue"
2924 2924 "port state was %x", iport->iport_link_state);
2925 2925 fct_queue_cmd_for_termination(cmd, FCT_LOCAL_PORT_OFFLINE);
2926 2926 return;
2927 2927 }
2928 2928
2929 2929 if (cmd->cmd_rp_handle == FCT_HANDLE_NONE)
2930 2930 irp = fct_portid_to_portptr(iport, cmd->cmd_rportid);
2931 2931 else if (cmd->cmd_rp_handle < port->port_max_logins)
2932 2932 irp = iport->iport_rp_slots[cmd->cmd_rp_handle];
2933 2933 else
2934 2934 irp = NULL;
2935 2935 if (irp == NULL) {
2936 2936 /* XXX Throw a logout to the initiator */
2937 2937 rw_exit(&iport->iport_lock);
2938 2938 stmf_trace(iport->iport_alias, "ABTS received from"
2939 2939 " %x without a session", cmd->cmd_rportid);
2940 2940 fct_queue_cmd_for_termination(cmd, FCT_NOT_LOGGED_IN);
2941 2941 return;
2942 2942 }
2943 2943
2944 2944 DTRACE_FC_3(abts__receive,
2945 2945 fct_cmd_t, cmd,
2946 2946 fct_local_port_t, port,
2947 2947 fct_i_remote_port_t, irp);
2948 2948
2949 2949 cmd->cmd_rp = irp->irp_rp;
2950 2950
2951 2951 /*
2952 2952 * No need to allocate an xchg resource. ABTSes use the same
2953 2953 * xchg resource as the cmd they are aborting.
2954 2954 */
2955 2955 rw_enter(&irp->irp_lock, RW_WRITER);
2956 2956 mutex_enter(&iport->iport_worker_lock);
2957 2957 /* Lets find the command first */
2958 2958 for (i = 0; i < port->port_max_xchges; i++) {
2959 2959 if ((ic = iport->iport_cmd_slots[i].slot_cmd) == NULL)
2960 2960 continue;
2961 2961 if ((ic->icmd_flags & ICMD_KNOWN_TO_FCA) == 0)
2962 2962 continue;
2963 2963 c = ic->icmd_cmd;
2964 2964 if (!CMD_HANDLE_VALID(c->cmd_handle))
2965 2965 continue;
2966 2966 if ((c->cmd_rportid != cmd->cmd_rportid) ||
2967 2967 (c->cmd_oxid != cmd->cmd_oxid))
2968 2968 continue;
2969 2969 /* Found the command */
2970 2970 found = 1;
2971 2971 break;
2972 2972 }
2973 2973 if (!found) {
2974 2974 mutex_exit(&iport->iport_worker_lock);
2975 2975 rw_exit(&irp->irp_lock);
2976 2976 rw_exit(&iport->iport_lock);
2977 2977 /* Dont even bother queueing it. Just respond */
2978 2978 fct_fill_abts_acc(cmd);
2979 2979 if (port->port_send_cmd_response(cmd,
2980 2980 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) {
2981 2981 /*
2982 2982 * XXX Throw HBA fatal error event
2983 2983 * Later shutdown svc will terminate the ABTS in the end
2984 2984 */
2985 2985 (void) snprintf(info, sizeof (info),
2986 2986 "fct_handle_rcvd_abts: iport-%p, "
2987 2987 "ABTS_ACC port_send_cmd_response failed",
2988 2988 (void *)iport);
2989 2989 (void) fct_port_shutdown(iport->iport_port,
2990 2990 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info);
2991 2991 } else {
2992 2992 fct_cmd_free(cmd);
2993 2993 }
2994 2994 return;
2995 2995 }
2996 2996
2997 2997 /* Check if this an abts retry */
2998 2998 if (c->cmd_link && (ic->icmd_flags & ICMD_ABTS_RECEIVED)) {
2999 2999 /* Kill this abts. */
3000 3000 fct_q_for_termination_lock_held(iport, icmd, FCT_ABORTED);
3001 3001 if (IS_WORKER_SLEEPING(iport))
3002 3002 cv_signal(&iport->iport_worker_cv);
3003 3003 mutex_exit(&iport->iport_worker_lock);
3004 3004 rw_exit(&irp->irp_lock);
3005 3005 rw_exit(&iport->iport_lock);
3006 3006 return;
3007 3007 }
3008 3008 c->cmd_link = cmd;
3009 3009 atomic_or_32(&ic->icmd_flags, ICMD_ABTS_RECEIVED);
3010 3010 cmd->cmd_link = c;
3011 3011 mutex_exit(&iport->iport_worker_lock);
3012 3012 rw_exit(&irp->irp_lock);
3013 3013 fct_queue_cmd_for_termination(c, FCT_ABTS_RECEIVED);
3014 3014 rw_exit(&iport->iport_lock);
3015 3015 }
3016 3016
3017 3017 void
3018 3018 fct_queue_cmd_for_termination(fct_cmd_t *cmd, fct_status_t s)
3019 3019 {
3020 3020 fct_local_port_t *port = cmd->cmd_port;
3021 3021 fct_i_local_port_t *iport = (fct_i_local_port_t *)
3022 3022 port->port_fct_private;
3023 3023 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private;
3024 3024
3025 3025 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) {
3026 3026 fct_queue_scsi_task_for_termination(cmd, s);
3027 3027 return;
3028 3028 }
3029 3029 mutex_enter(&iport->iport_worker_lock);
3030 3030 fct_q_for_termination_lock_held(iport, icmd, s);
3031 3031 if (IS_WORKER_SLEEPING(iport))
3032 3032 cv_signal(&iport->iport_worker_cv);
3033 3033 mutex_exit(&iport->iport_worker_lock);
3034 3034 }
3035 3035
3036 3036 /*
3037 3037 * This function will not be called for SCSI CMDS
3038 3038 */
3039 3039 void
3040 3040 fct_q_for_termination_lock_held(fct_i_local_port_t *iport, fct_i_cmd_t *icmd,
3041 3041 fct_status_t s)
3042 3042 {
3043 3043 uint32_t old, new;
3044 3044 fct_i_cmd_t **ppicmd;
3045 3045
3046 3046 do {
3047 3047 old = icmd->icmd_flags;
3048 3048 if (old & ICMD_BEING_ABORTED)
3049 3049 return;
3050 3050 new = old | ICMD_BEING_ABORTED;
3051 3051 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old);
3052 3052
3053 3053 icmd->icmd_start_time = ddi_get_lbolt();
3054 3054 icmd->icmd_cmd->cmd_comp_status = s;
3055 3055
3056 3056 icmd->icmd_next = NULL;
3057 3057 for (ppicmd = &(iport->iport_abort_queue); *ppicmd != NULL;
3058 3058 ppicmd = &((*ppicmd)->icmd_next))
3059 3059 ;
3060 3060
3061 3061 *ppicmd = icmd;
3062 3062 }
3063 3063
3064 3064 /*
3065 3065 * For those cmds, for which we called fca_abort but it has not yet completed,
3066 3066 * reset the FCA_ABORT_CALLED flag, so that abort can be called again.
3067 3067 * This is done after a FCA offline. The reason is that after offline, the
3068 3068 * firmware is not running so abort will never complete. But if we call it
3069 3069 * again, the FCA will detect that it is not offline and it will
3070 3070 * not call the firmware at all. Most likely it will abort in a synchronous
3071 3071 * manner i.e. return FCT_ABORT_SUCCESS or FCT_NOT_FOUND.
3072 3072 */
3073 3073 void
3074 3074 fct_reset_flag_abort_called(fct_i_local_port_t *iport)
3075 3075 {
3076 3076 fct_i_cmd_t *icmd;
3077 3077 uint32_t old, new;
3078 3078 int i, do_clear;
3079 3079
3080 3080 ASSERT(mutex_owned(&iport->iport_worker_lock));
3081 3081 mutex_exit(&iport->iport_worker_lock);
3082 3082 rw_enter(&iport->iport_lock, RW_WRITER);
3083 3083 mutex_enter(&iport->iport_worker_lock);
3084 3084
3085 3085 for (i = 0; i < iport->iport_port->port_max_xchges; i++) {
3086 3086 if (iport->iport_cmd_slots[i].slot_cmd == NULL)
3087 3087 continue;
3088 3088
3089 3089 icmd = iport->iport_cmd_slots[i].slot_cmd;
3090 3090
3091 3091 do {
3092 3092 old = new = icmd->icmd_flags;
3093 3093 if ((old & (ICMD_KNOWN_TO_FCA |
3094 3094 ICMD_FCA_ABORT_CALLED)) == (ICMD_KNOWN_TO_FCA |
3095 3095 ICMD_FCA_ABORT_CALLED)) {
3096 3096 new &= ~ICMD_FCA_ABORT_CALLED;
3097 3097 do_clear = 1;
3098 3098 } else {
3099 3099 do_clear = 0;
3100 3100 break;
3101 3101 }
3102 3102 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old);
3103 3103 if (do_clear &&
3104 3104 (icmd->icmd_cmd->cmd_type == FCT_CMD_FCP_XCHG)) {
3105 3105 stmf_abort(STMF_REQUEUE_TASK_ABORT_LPORT,
3106 3106 icmd->icmd_cmd->cmd_specific, 0, NULL);
3107 3107 }
3108 3108 }
3109 3109
3110 3110 rw_exit(&iport->iport_lock);
3111 3111 }
3112 3112
3113 3113 /*
3114 3114 * Modify the irp_deregister_timer such that the ports start deregistering
3115 3115 * quickly.
3116 3116 */
3117 3117 void
3118 3118 fct_irp_deregister_speedup(fct_i_local_port_t *iport)
3119 3119 {
3120 3120 fct_i_remote_port_t *irp;
3121 3121 int i;
3122 3122
3123 3123 if (!iport->iport_nrps)
3124 3124 return;
3125 3125
3126 3126 for (i = 0; i < rportid_table_size; i++) {
3127 3127 irp = iport->iport_rp_tb[i];
3128 3128 while (irp) {
3129 3129 irp->irp_deregister_timer = ddi_get_lbolt() - 1;
3130 3130 irp = irp->irp_next;
3131 3131 }
3132 3132 }
3133 3133 }
3134 3134
3135 3135 disc_action_t
3136 3136 fct_handle_port_offline(fct_i_local_port_t *iport)
3137 3137 {
3138 3138 if (iport->iport_offline_prstate == FCT_OPR_START) {
3139 3139 fct_reset_flag_abort_called(iport);
3140 3140 iport->iport_offline_prstate = FCT_OPR_CMD_CLEANUP_WAIT;
3141 3141 /* fct_ctl has already submitted a link offline event */
3142 3142 return (DISC_ACTION_DELAY_RESCAN);
3143 3143 }
3144 3144 if (iport->iport_offline_prstate == FCT_OPR_CMD_CLEANUP_WAIT) {
3145 3145 if (iport->iport_link_state != PORT_STATE_LINK_DOWN)
3146 3146 return (DISC_ACTION_DELAY_RESCAN);
3147 3147 /*
3148 3148 * All I/Os have been killed at this time. Lets speedup
3149 3149 * the port deregister process.
3150 3150 */
3151 3151 mutex_exit(&iport->iport_worker_lock);
3152 3152 rw_enter(&iport->iport_lock, RW_WRITER);
3153 3153 fct_irp_deregister_speedup(iport);
3154 3154 rw_exit(&iport->iport_lock);
3155 3155 mutex_enter(&iport->iport_worker_lock);
3156 3156 iport->iport_offline_prstate = FCT_OPR_INT_CLEANUP_WAIT;
3157 3157 return (DISC_ACTION_RESCAN);
3158 3158 }
3159 3159 if (iport->iport_offline_prstate == FCT_OPR_INT_CLEANUP_WAIT) {
3160 3160 stmf_change_status_t st;
3161 3161
3162 3162 if (iport->iport_solcmd_queue) {
3163 3163 return (DISC_ACTION_DELAY_RESCAN);
3164 3164 }
3165 3165
3166 3166 if (iport->iport_nrps) {
3167 3167 /*
3168 3168 * A port logout may have gone when implicit logo all
3169 3169 * was retried. So do the port speedup again here.
3170 3170 */
3171 3171 mutex_exit(&iport->iport_worker_lock);
3172 3172 rw_enter(&iport->iport_lock, RW_WRITER);
3173 3173 fct_irp_deregister_speedup(iport);
3174 3174 rw_exit(&iport->iport_lock);
3175 3175 mutex_enter(&iport->iport_worker_lock);
3176 3176 return (DISC_ACTION_DELAY_RESCAN);
3177 3177 }
3178 3178
3179 3179 if (iport->iport_event_head != NULL) {
3180 3180 return (DISC_ACTION_DELAY_RESCAN);
3181 3181 }
3182 3182
3183 3183 st.st_completion_status = STMF_SUCCESS;
3184 3184 st.st_additional_info = NULL;
3185 3185 iport->iport_offline_prstate = FCT_OPR_DONE;
3186 3186 iport->iport_state = FCT_STATE_OFFLINE;
3187 3187 mutex_exit(&iport->iport_worker_lock);
3188 3188 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE,
3189 3189 iport->iport_port->port_lport, &st);
3190 3190 mutex_enter(&iport->iport_worker_lock);
3191 3191 return (DISC_ACTION_DELAY_RESCAN);
3192 3192 }
3193 3193
3194 3194 /* NOTREACHED */
3195 3195 return (0);
3196 3196 }
3197 3197
3198 3198 /*
3199 3199 * See stmf.h for information on rflags. Additional info is just a text
3200 3200 * description of the reason for this call. Additional_info can be NULL.
3201 3201 * Also the caller can declare additional info on the stack. stmf_ctl
3202 3202 * makes a copy of it before returning.
3203 3203 */
3204 3204 fct_status_t
3205 3205 fct_port_initialize(fct_local_port_t *port, uint32_t rflags,
3206 3206 char *additional_info)
3207 3207 {
3208 3208 stmf_state_change_info_t st;
3209 3209
3210 3210 st.st_rflags = rflags;
3211 3211 st.st_additional_info = additional_info;
3212 3212 stmf_trace(NULL, "fct_port_initialize: port-%p, %s", port,
3213 3213 additional_info? additional_info : "no more information");
3214 3214 return (stmf_ctl(STMF_CMD_LPORT_ONLINE, port->port_lport, &st));
3215 3215 }
3216 3216
3217 3217 fct_status_t
3218 3218 fct_port_shutdown(fct_local_port_t *port, uint32_t rflags,
3219 3219 char *additional_info)
3220 3220 {
3221 3221 stmf_state_change_info_t st;
3222 3222
3223 3223 st.st_rflags = rflags;
3224 3224 st.st_additional_info = additional_info;
3225 3225 stmf_trace(NULL, "fct_port_shutdown: port-%p, %s", port,
3226 3226 additional_info? additional_info : "no more information");
3227 3227 return (stmf_ctl(STMF_CMD_LPORT_OFFLINE, port->port_lport, &st));
3228 3228 }
3229 3229
3230 3230 /*
3231 3231 * Called by worker thread. The aim is to terminate the command
3232 3232 * using whatever means it takes.
3233 3233 * Called with worker lock held.
3234 3234 */
3235 3235 disc_action_t
3236 3236 fct_cmd_terminator(fct_i_local_port_t *iport)
3237 3237 {
3238 3238 char info[FCT_INFO_LEN];
3239 3239 clock_t endtime;
3240 3240 fct_i_cmd_t **ppicmd;
3241 3241 fct_i_cmd_t *icmd;
3242 3242 fct_cmd_t *cmd;
3243 3243 fct_local_port_t *port = iport->iport_port;
3244 3244 disc_action_t ret = DISC_ACTION_NO_WORK;
3245 3245 fct_status_t abort_ret;
3246 3246 int fca_done, fct_done, cmd_implicit = 0;
3247 3247 int flags;
3248 3248 unsigned long long st;
3249 3249
3250 3250 /* Lets Limit each run to 20ms max. */
3251 3251 endtime = ddi_get_lbolt() + drv_usectohz(20000);
3252 3252
3253 3253 /* Start from where we left off last time */
3254 3254 if (iport->iport_ppicmd_term) {
3255 3255 ppicmd = iport->iport_ppicmd_term;
3256 3256 iport->iport_ppicmd_term = NULL;
3257 3257 } else {
3258 3258 ppicmd = &iport->iport_abort_queue;
3259 3259 }
3260 3260
3261 3261 /*
3262 3262 * Once a command gets on discovery queue, this is the only thread
3263 3263 * which can access it. So no need for the lock here.
3264 3264 */
3265 3265 mutex_exit(&iport->iport_worker_lock);
3266 3266
3267 3267 while ((icmd = *ppicmd) != NULL) {
3268 3268 cmd = icmd->icmd_cmd;
3269 3269
3270 3270 /* Always remember that cmd->cmd_rp can be NULL */
3271 3271 if ((icmd->icmd_flags & (ICMD_KNOWN_TO_FCA |
3272 3272 ICMD_FCA_ABORT_CALLED)) == ICMD_KNOWN_TO_FCA) {
3273 3273 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED);
3274 3274 if (CMD_HANDLE_VALID(cmd->cmd_handle))
3275 3275 flags = 0;
3276 3276 else
3277 3277 flags = FCT_IOF_FORCE_FCA_DONE;
3278 3278 abort_ret = port->port_abort_cmd(port, cmd, flags);
3279 3279 if ((abort_ret != FCT_SUCCESS) &&
3280 3280 (abort_ret != FCT_ABORT_SUCCESS) &&
3281 3281 (abort_ret != FCT_NOT_FOUND)) {
3282 3282 if (flags & FCT_IOF_FORCE_FCA_DONE) {
3283 3283 /*
3284 3284 * XXX trigger port fatal,
3285 3285 * Abort the termination, and shutdown
3286 3286 * svc will trigger fct_cmd_termination
3287 3287 * again.
3288 3288 */
3289 3289 (void) snprintf(info, sizeof (info),
3290 3290 "fct_cmd_terminator:"
3291 3291 " iport-%p, port_abort_cmd with "
3292 3292 "FORCE_FCA_DONE failed",
3293 3293 (void *)iport);
3294 3294 (void) fct_port_shutdown(
3295 3295 iport->iport_port,
3296 3296 STMF_RFLAG_FATAL_ERROR |
3297 3297 STMF_RFLAG_RESET, info);
3298 3298
3299 3299 mutex_enter(&iport->iport_worker_lock);
3300 3300 iport->iport_ppicmd_term = ppicmd;
3301 3301 return (DISC_ACTION_DELAY_RESCAN);
3302 3302 }
3303 3303 atomic_and_32(&icmd->icmd_flags,
3304 3304 ~ICMD_FCA_ABORT_CALLED);
3305 3305 } else if ((flags & FCT_IOF_FORCE_FCA_DONE) ||
3306 3306 (abort_ret == FCT_ABORT_SUCCESS) ||
3307 3307 (abort_ret == FCT_NOT_FOUND)) {
3308 3308 atomic_and_32(&icmd->icmd_flags,
3309 3309 ~ICMD_KNOWN_TO_FCA);
3310 3310 }
3311 3311 ret |= DISC_ACTION_DELAY_RESCAN;
3312 3312 } else if (icmd->icmd_flags & ICMD_IMPLICIT) {
3313 3313 if (cmd->cmd_type == FCT_CMD_SOL_ELS)
3314 3314 cmd->cmd_comp_status = FCT_ABORTED;
3315 3315 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED);
3316 3316 cmd_implicit = 1;
3317 3317 }
3318 3318 if ((icmd->icmd_flags & ICMD_KNOWN_TO_FCA) == 0)
3319 3319 fca_done = 1;
3320 3320 else
3321 3321 fca_done = 0;
3322 3322 if ((icmd->icmd_flags & ICMD_IN_IRP_QUEUE) == 0)
3323 3323 fct_done = 1;
3324 3324 else
3325 3325 fct_done = 0;
3326 3326 if ((fca_done || cmd_implicit) && fct_done) {
3327 3327 mutex_enter(&iport->iport_worker_lock);
3328 3328 ASSERT(*ppicmd == icmd);
3329 3329 *ppicmd = (*ppicmd)->icmd_next;
3330 3330 mutex_exit(&iport->iport_worker_lock);
3331 3331 if ((cmd->cmd_type == FCT_CMD_RCVD_ELS) ||
3332 3332 (cmd->cmd_type == FCT_CMD_RCVD_ABTS)) {
3333 3333 /* Free the cmd */
3334 3334 fct_cmd_free(cmd);
3335 3335 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) {
3336 3336 fct_handle_sol_els_completion(iport, icmd);
3337 3337 if (icmd->icmd_flags & ICMD_IMPLICIT) {
3338 3338 if (IS_LOGO_ELS(icmd)) {
3339 3339 /* IMPLICIT LOGO is special */
3340 3340 fct_cmd_free(cmd);
3341 3341 }
3342 3342 }
3343 3343 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) {
3344 3344 fct_sol_ct_t *ct = ICMD_TO_CT(icmd);
3345 3345
3346 3346 /* Tell the caller that we are done */
3347 3347 atomic_or_32(&icmd->icmd_flags,
3348 3348 ICMD_CMD_COMPLETE);
3349 3349 if (fct_netbuf_to_value(
3350 3350 ct->ct_req_payload + 8, 2) == NS_GID_PN) {
3351 3351 fct_i_remote_port_t *irp;
3352 3352
3353 3353 rw_enter(&iport->iport_lock, RW_READER);
3354 3354 irp = fct_lookup_irp_by_portwwn(iport,
3355 3355 ct->ct_req_payload + 16);
3356 3356
3357 3357 if (irp) {
3358 3358 atomic_and_32(&irp->irp_flags,
3359 3359 ~IRP_RSCN_QUEUED);
3360 3360 }
3361 3361 rw_exit(&iport->iport_lock);
3362 3362 }
3363 3363 } else {
3364 3364 ASSERT(0);
3365 3365 }
3366 3366 } else {
3367 3367 clock_t timeout_ticks;
3368 3368 if (port->port_fca_abort_timeout)
3369 3369 timeout_ticks = drv_usectohz(
3370 3370 port->port_fca_abort_timeout*1000);
3371 3371 else
3372 3372 /* 10 seconds by default */
3373 3373 timeout_ticks = drv_usectohz(10 * 1000000);
3374 3374 if ((ddi_get_lbolt() >
3375 3375 (icmd->icmd_start_time+timeout_ticks)) &&
3376 3376 iport->iport_state == FCT_STATE_ONLINE) {
3377 3377 /* timeout, reset the port */
3378 3378 char cmd_type[10];
3379 3379 if (cmd->cmd_type == FCT_CMD_RCVD_ELS ||
3380 3380 cmd->cmd_type == FCT_CMD_SOL_ELS) {
3381 3381 fct_els_t *els = cmd->cmd_specific;
3382 3382 (void) snprintf(cmd_type,
3383 3383 sizeof (cmd_type), "%x.%x",
3384 3384 cmd->cmd_type,
3385 3385 els->els_req_payload[0]);
3386 3386 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) {
3387 3387 fct_sol_ct_t *ct = cmd->cmd_specific;
3388 3388 (void) snprintf(cmd_type,
3389 3389 sizeof (cmd_type), "%x.%02x%02x",
3390 3390 cmd->cmd_type,
3391 3391 ct->ct_req_payload[8],
3392 3392 ct->ct_req_payload[9]);
3393 3393 } else {
3394 3394 cmd_type[0] = 0;
3395 3395 }
3396 3396 st = cmd->cmd_comp_status; /* gcc fix */
3397 3397 (void) snprintf(info, sizeof (info),
3398 3398 "fct_cmd_terminator:"
3399 3399 " iport-%p, cmd_type(0x%s),"
3400 3400 " reason(%llx)", (void *)iport, cmd_type,
3401 3401 st);
3402 3402 (void) fct_port_shutdown(port,
3403 3403 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET,
3404 3404 info);
3405 3405 }
3406 3406 ppicmd = &((*ppicmd)->icmd_next);
3407 3407 }
3408 3408
3409 3409 if (ddi_get_lbolt() > endtime) {
3410 3410 mutex_enter(&iport->iport_worker_lock);
3411 3411 iport->iport_ppicmd_term = ppicmd;
3412 3412 return (DISC_ACTION_DELAY_RESCAN);
3413 3413 }
3414 3414 }
3415 3415 mutex_enter(&iport->iport_worker_lock);
3416 3416 if (iport->iport_abort_queue)
3417 3417 return (DISC_ACTION_DELAY_RESCAN);
3418 3418 if (ret == DISC_ACTION_NO_WORK)
3419 3419 return (DISC_ACTION_RESCAN);
3420 3420 return (ret);
3421 3421 }
3422 3422
3423 3423 /*
3424 3424 * Send a syslog event for adapter port level events.
3425 3425 */
3426 3426 void
3427 3427 fct_log_local_port_event(fct_local_port_t *port, char *subclass)
3428 3428 {
3429 3429 nvlist_t *attr_list;
3430 3430 int port_instance;
3431 3431
3432 3432 if (!fct_dip)
3433 3433 return;
3434 3434 port_instance = ddi_get_instance(fct_dip);
3435 3435
3436 3436 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE,
3437 3437 KM_SLEEP) != DDI_SUCCESS) {
3438 3438 goto alloc_failed;
3439 3439 }
3440 3440
3441 3441 if (nvlist_add_uint32(attr_list, "instance", port_instance)
3442 3442 != DDI_SUCCESS) {
3443 3443 goto error;
3444 3444 }
3445 3445
3446 3446 if (nvlist_add_byte_array(attr_list, "port-wwn",
3447 3447 port->port_pwwn, 8) != DDI_SUCCESS) {
3448 3448 goto error;
3449 3449 }
3450 3450
3451 3451 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC,
3452 3452 subclass, attr_list, NULL, DDI_SLEEP);
3453 3453
3454 3454 nvlist_free(attr_list);
3455 3455 return;
3456 3456
3457 3457 error:
3458 3458 nvlist_free(attr_list);
3459 3459 alloc_failed:
3460 3460 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias,
3461 3461 "Unable to send %s event", subclass);
3462 3462 }
3463 3463
3464 3464 void
3465 3465 fct_log_remote_port_event(fct_local_port_t *port, char *subclass,
3466 3466 uint8_t *rp_pwwn, uint32_t rp_id)
3467 3467 {
3468 3468 nvlist_t *attr_list;
3469 3469 int port_instance;
3470 3470
3471 3471 if (!fct_dip)
3472 3472 return;
3473 3473 port_instance = ddi_get_instance(fct_dip);
3474 3474
3475 3475 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE,
3476 3476 KM_SLEEP) != DDI_SUCCESS) {
3477 3477 goto alloc_failed;
3478 3478 }
3479 3479
3480 3480 if (nvlist_add_uint32(attr_list, "instance", port_instance)
3481 3481 != DDI_SUCCESS) {
3482 3482 goto error;
3483 3483 }
3484 3484
3485 3485 if (nvlist_add_byte_array(attr_list, "port-wwn",
3486 3486 port->port_pwwn, 8) != DDI_SUCCESS) {
3487 3487 goto error;
3488 3488 }
3489 3489
3490 3490 if (nvlist_add_byte_array(attr_list, "target-port-wwn",
3491 3491 rp_pwwn, 8) != DDI_SUCCESS) {
3492 3492 goto error;
3493 3493 }
3494 3494
3495 3495 if (nvlist_add_uint32(attr_list, "target-port-id",
3496 3496 rp_id) != DDI_SUCCESS) {
3497 3497 goto error;
3498 3498 }
3499 3499
3500 3500 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC,
3501 3501 subclass, attr_list, NULL, DDI_SLEEP);
3502 3502
3503 3503 nvlist_free(attr_list);
3504 3504 return;
3505 3505
3506 3506 error:
3507 3507 nvlist_free(attr_list);
3508 3508 alloc_failed:
3509 3509 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias,
3510 3510 "Unable to send %s event", subclass);
3511 3511 }
3512 3512
3513 3513 uint64_t
3514 3514 fct_netbuf_to_value(uint8_t *buf, uint8_t nbytes)
3515 3515 {
3516 3516 uint64_t ret = 0;
3517 3517 uint8_t idx = 0;
3518 3518
3519 3519 do {
3520 3520 ret |= (buf[idx] << (8 * (nbytes -idx - 1)));
3521 3521 } while (++idx < nbytes);
3522 3522
3523 3523 return (ret);
3524 3524 }
3525 3525
3526 3526 void
3527 3527 fct_value_to_netbuf(uint64_t value, uint8_t *buf, uint8_t nbytes)
3528 3528 {
3529 3529 uint8_t idx = 0;
3530 3530
3531 3531 for (idx = 0; idx < nbytes; idx++) {
3532 3532 buf[idx] = 0xFF & (value >> (8 * (nbytes - idx - 1)));
3533 3533 }
3534 3534 }
3535 3535
3536 3536 /*
3537 3537 * from_ptr: ptr to uchar_t array of size WWN_SIZE
3538 3538 * to_ptr: char ptr to string of size WWN_SIZE*2+1
3539 3539 */
3540 3540 void
3541 3541 fct_wwn_to_str(char *to_ptr, const uint8_t *from_ptr)
3542 3542 {
3543 3543 ASSERT(to_ptr != NULL && from_ptr != NULL);
3544 3544
3545 3545 (void) sprintf(to_ptr, "%02x%02x%02x%02x%02x%02x%02x%02x",
3546 3546 from_ptr[0], from_ptr[1], from_ptr[2], from_ptr[3],
3547 3547 from_ptr[4], from_ptr[5], from_ptr[6], from_ptr[7]);
3548 3548 }
3549 3549
3550 3550 static int
3551 3551 fct_update_stats(kstat_t *ks, int rw)
3552 3552 {
3553 3553 fct_i_local_port_t *iport;
3554 3554 fct_port_stat_t *port_kstat;
3555 3555 fct_port_link_status_t stat;
3556 3556 uint32_t buf_size = sizeof (stat);
3557 3557 int ret;
3558 3558
3559 3559 if (rw == KSTAT_WRITE)
3560 3560 return (EACCES);
3561 3561
3562 3562 iport = (fct_i_local_port_t *)ks->ks_private;
3563 3563 port_kstat = (fct_port_stat_t *)ks->ks_data;
3564 3564
3565 3565 if (iport->iport_port->port_info == NULL) {
3566 3566 return (EIO);
3567 3567 }
3568 3568 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS,
3569 3569 iport->iport_port, NULL, (uint8_t *)&stat, &buf_size);
3570 3570 if (ret != STMF_SUCCESS) {
3571 3571 return (EIO);
3572 3572 }
3573 3573
3574 3574 port_kstat->link_failure_cnt.value.ui32 =
3575 3575 stat.LinkFailureCount;
3576 3576 port_kstat->loss_of_sync_cnt.value.ui32 =
3577 3577 stat.LossOfSyncCount;
3578 3578 port_kstat->loss_of_signals_cnt.value.ui32 =
3579 3579 stat.LossOfSignalsCount;
3580 3580 port_kstat->prim_seq_protocol_err_cnt.value.ui32 =
3581 3581 stat.PrimitiveSeqProtocolErrorCount;
3582 3582 port_kstat->invalid_tx_word_cnt.value.ui32 =
3583 3583 stat.InvalidTransmissionWordCount;
3584 3584 port_kstat->invalid_crc_cnt.value.ui32 =
3585 3585 stat.InvalidCRCCount;
3586 3586
3587 3587 return (0);
3588 3588 }
3589 3589
3590 3590 void
3591 3591 fct_init_kstats(fct_i_local_port_t *iport)
3592 3592 {
3593 3593 kstat_t *ks;
3594 3594 fct_port_stat_t *port_kstat;
3595 3595 char name[256];
3596 3596
3597 3597 if (iport->iport_alias)
3598 3598 (void) sprintf(name, "iport_%s", iport->iport_alias);
3599 3599 else
3600 3600 (void) sprintf(name, "iport_%"PRIxPTR"", (uintptr_t)iport);
3601 3601 ks = kstat_create(FCT_MODULE_NAME, 0, name, "rawdata",
3602 3602 KSTAT_TYPE_NAMED, sizeof (fct_port_stat_t) / sizeof (kstat_named_t),
3603 3603 0);
3604 3604
3605 3605 if (ks == NULL) {
3606 3606 return;
3607 3607 }
3608 3608 port_kstat = (fct_port_stat_t *)ks->ks_data;
3609 3609
3610 3610 iport->iport_kstat_portstat = ks;
3611 3611 kstat_named_init(&port_kstat->link_failure_cnt,
3612 3612 "Link_failure_cnt", KSTAT_DATA_UINT32);
3613 3613 kstat_named_init(&port_kstat->loss_of_sync_cnt,
3614 3614 "Loss_of_sync_cnt", KSTAT_DATA_UINT32);
3615 3615 kstat_named_init(&port_kstat->loss_of_signals_cnt,
3616 3616 "Loss_of_signals_cnt", KSTAT_DATA_UINT32);
3617 3617 kstat_named_init(&port_kstat->prim_seq_protocol_err_cnt,
3618 3618 "Prim_seq_protocol_err_cnt", KSTAT_DATA_UINT32);
3619 3619 kstat_named_init(&port_kstat->invalid_tx_word_cnt,
3620 3620 "Invalid_tx_word_cnt", KSTAT_DATA_UINT32);
3621 3621 kstat_named_init(&port_kstat->invalid_crc_cnt,
3622 3622 "Invalid_crc_cnt", KSTAT_DATA_UINT32);
3623 3623 ks->ks_update = fct_update_stats;
3624 3624 ks->ks_private = (void *)iport;
3625 3625 kstat_install(ks);
3626 3626
3627 3627 }
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