2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
19 * bfa_attr.c Linux driver configuration interface module.
22 #include <linux/slab.h>
25 #include "bfad_trcmod.h"
26 #include "bfad_attr.h"
29 * FC_transport_template FC transport template
33 * FC transport template entry, get SCSI target port ID.
36 bfad_im_get_starget_port_id(struct scsi_target *starget)
38 struct Scsi_Host *shost;
39 struct bfad_im_port_s *im_port;
41 struct bfad_itnim_s *itnim = NULL;
45 shost = bfad_os_starget_to_shost(starget);
46 im_port = (struct bfad_im_port_s *) shost->hostdata[0];
48 spin_lock_irqsave(&bfad->bfad_lock, flags);
50 itnim = bfad_os_get_itnim(im_port, starget->id);
52 fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);
54 fc_starget_port_id(starget) = fc_id;
55 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
59 * FC transport template entry, get SCSI target nwwn.
62 bfad_im_get_starget_node_name(struct scsi_target *starget)
64 struct Scsi_Host *shost;
65 struct bfad_im_port_s *im_port;
67 struct bfad_itnim_s *itnim = NULL;
71 shost = bfad_os_starget_to_shost(starget);
72 im_port = (struct bfad_im_port_s *) shost->hostdata[0];
74 spin_lock_irqsave(&bfad->bfad_lock, flags);
76 itnim = bfad_os_get_itnim(im_port, starget->id);
78 node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);
80 fc_starget_node_name(starget) = bfa_os_htonll(node_name);
81 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
85 * FC transport template entry, get SCSI target pwwn.
88 bfad_im_get_starget_port_name(struct scsi_target *starget)
90 struct Scsi_Host *shost;
91 struct bfad_im_port_s *im_port;
93 struct bfad_itnim_s *itnim = NULL;
97 shost = bfad_os_starget_to_shost(starget);
98 im_port = (struct bfad_im_port_s *) shost->hostdata[0];
100 spin_lock_irqsave(&bfad->bfad_lock, flags);
102 itnim = bfad_os_get_itnim(im_port, starget->id);
104 port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
106 fc_starget_port_name(starget) = bfa_os_htonll(port_name);
107 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
111 * FC transport template entry, get SCSI host port ID.
114 bfad_im_get_host_port_id(struct Scsi_Host *shost)
116 struct bfad_im_port_s *im_port =
117 (struct bfad_im_port_s *) shost->hostdata[0];
118 struct bfad_port_s *port = im_port->port;
120 fc_host_port_id(shost) =
121 bfa_os_hton3b(bfa_fcs_port_get_fcid(port->fcs_port));
129 bfad_os_starget_to_shost(struct scsi_target *starget)
131 return dev_to_shost(starget->dev.parent);
135 * FC transport template entry, get SCSI host port type.
138 bfad_im_get_host_port_type(struct Scsi_Host *shost)
140 struct bfad_im_port_s *im_port =
141 (struct bfad_im_port_s *) shost->hostdata[0];
142 struct bfad_s *bfad = im_port->bfad;
143 struct bfa_pport_attr_s attr;
145 bfa_fcport_get_attr(&bfad->bfa, &attr);
147 switch (attr.port_type) {
148 case BFA_PPORT_TYPE_NPORT:
149 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
151 case BFA_PPORT_TYPE_NLPORT:
152 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
154 case BFA_PPORT_TYPE_P2P:
155 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
157 case BFA_PPORT_TYPE_LPORT:
158 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
161 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
167 * FC transport template entry, get SCSI host port state.
170 bfad_im_get_host_port_state(struct Scsi_Host *shost)
172 struct bfad_im_port_s *im_port =
173 (struct bfad_im_port_s *) shost->hostdata[0];
174 struct bfad_s *bfad = im_port->bfad;
175 struct bfa_pport_attr_s attr;
177 bfa_fcport_get_attr(&bfad->bfa, &attr);
179 switch (attr.port_state) {
180 case BFA_PPORT_ST_LINKDOWN:
181 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
183 case BFA_PPORT_ST_LINKUP:
184 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
186 case BFA_PPORT_ST_UNINIT:
187 case BFA_PPORT_ST_ENABLING_QWAIT:
188 case BFA_PPORT_ST_ENABLING:
189 case BFA_PPORT_ST_DISABLING_QWAIT:
190 case BFA_PPORT_ST_DISABLING:
191 case BFA_PPORT_ST_DISABLED:
192 case BFA_PPORT_ST_STOPPED:
193 case BFA_PPORT_ST_IOCDOWN:
195 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
201 * FC transport template entry, get SCSI host active fc4s.
204 bfad_im_get_host_active_fc4s(struct Scsi_Host *shost)
206 struct bfad_im_port_s *im_port =
207 (struct bfad_im_port_s *) shost->hostdata[0];
208 struct bfad_port_s *port = im_port->port;
210 memset(fc_host_active_fc4s(shost), 0,
211 sizeof(fc_host_active_fc4s(shost)));
213 if (port->supported_fc4s &
214 (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM))
215 fc_host_active_fc4s(shost)[2] = 1;
217 if (port->supported_fc4s & BFA_PORT_ROLE_FCP_IPFC)
218 fc_host_active_fc4s(shost)[3] = 0x20;
220 fc_host_active_fc4s(shost)[7] = 1;
224 * FC transport template entry, get SCSI host link speed.
227 bfad_im_get_host_speed(struct Scsi_Host *shost)
229 struct bfad_im_port_s *im_port =
230 (struct bfad_im_port_s *) shost->hostdata[0];
231 struct bfad_s *bfad = im_port->bfad;
232 struct bfa_pport_attr_s attr;
235 spin_lock_irqsave(shost->host_lock, flags);
236 bfa_fcport_get_attr(&bfad->bfa, &attr);
237 switch (attr.speed) {
238 case BFA_PPORT_SPEED_8GBPS:
239 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
241 case BFA_PPORT_SPEED_4GBPS:
242 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
244 case BFA_PPORT_SPEED_2GBPS:
245 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
247 case BFA_PPORT_SPEED_1GBPS:
248 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
251 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
254 spin_unlock_irqrestore(shost->host_lock, flags);
258 * FC transport template entry, get SCSI host port type.
261 bfad_im_get_host_fabric_name(struct Scsi_Host *shost)
263 struct bfad_im_port_s *im_port =
264 (struct bfad_im_port_s *) shost->hostdata[0];
265 struct bfad_port_s *port = im_port->port;
266 wwn_t fabric_nwwn = 0;
268 fabric_nwwn = bfa_fcs_port_get_fabric_name(port->fcs_port);
270 fc_host_fabric_name(shost) = bfa_os_htonll(fabric_nwwn);
275 * FC transport template entry, get BFAD statistics.
277 static struct fc_host_statistics *
278 bfad_im_get_stats(struct Scsi_Host *shost)
280 struct bfad_im_port_s *im_port =
281 (struct bfad_im_port_s *) shost->hostdata[0];
282 struct bfad_s *bfad = im_port->bfad;
283 struct bfad_hal_comp fcomp;
284 struct fc_host_statistics *hstats;
288 hstats = &bfad->link_stats;
289 init_completion(&fcomp.comp);
290 spin_lock_irqsave(&bfad->bfad_lock, flags);
291 memset(hstats, 0, sizeof(struct fc_host_statistics));
292 rc = bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
293 (union bfa_pport_stats_u *) hstats,
294 bfad_hcb_comp, &fcomp);
295 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
296 if (rc != BFA_STATUS_OK)
299 wait_for_completion(&fcomp.comp);
305 * FC transport template entry, reset BFAD statistics.
308 bfad_im_reset_stats(struct Scsi_Host *shost)
310 struct bfad_im_port_s *im_port =
311 (struct bfad_im_port_s *) shost->hostdata[0];
312 struct bfad_s *bfad = im_port->bfad;
313 struct bfad_hal_comp fcomp;
317 init_completion(&fcomp.comp);
318 spin_lock_irqsave(&bfad->bfad_lock, flags);
319 rc = bfa_port_clear_stats(BFA_FCPORT(&bfad->bfa), bfad_hcb_comp,
321 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
323 if (rc != BFA_STATUS_OK)
326 wait_for_completion(&fcomp.comp);
332 * FC transport template entry, get rport loss timeout.
335 bfad_im_get_rport_loss_tmo(struct fc_rport *rport)
337 struct bfad_itnim_data_s *itnim_data = rport->dd_data;
338 struct bfad_itnim_s *itnim = itnim_data->itnim;
339 struct bfad_s *bfad = itnim->im->bfad;
342 spin_lock_irqsave(&bfad->bfad_lock, flags);
343 rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
344 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
348 * FC transport template entry, set rport loss timeout.
351 bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
353 struct bfad_itnim_data_s *itnim_data = rport->dd_data;
354 struct bfad_itnim_s *itnim = itnim_data->itnim;
355 struct bfad_s *bfad = itnim->im->bfad;
359 spin_lock_irqsave(&bfad->bfad_lock, flags);
360 bfa_fcpim_path_tov_set(&bfad->bfa, timeout);
361 rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
362 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
367 struct fc_function_template bfad_im_fc_function_template = {
369 /* Target dynamic attributes */
370 .get_starget_port_id = bfad_im_get_starget_port_id,
371 .show_starget_port_id = 1,
372 .get_starget_node_name = bfad_im_get_starget_node_name,
373 .show_starget_node_name = 1,
374 .get_starget_port_name = bfad_im_get_starget_port_name,
375 .show_starget_port_name = 1,
377 /* Host dynamic attribute */
378 .get_host_port_id = bfad_im_get_host_port_id,
379 .show_host_port_id = 1,
381 /* Host fixed attributes */
382 .show_host_node_name = 1,
383 .show_host_port_name = 1,
384 .show_host_supported_classes = 1,
385 .show_host_supported_fc4s = 1,
386 .show_host_supported_speeds = 1,
387 .show_host_maxframe_size = 1,
389 /* More host dynamic attributes */
390 .show_host_port_type = 1,
391 .get_host_port_type = bfad_im_get_host_port_type,
392 .show_host_port_state = 1,
393 .get_host_port_state = bfad_im_get_host_port_state,
394 .show_host_active_fc4s = 1,
395 .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
396 .show_host_speed = 1,
397 .get_host_speed = bfad_im_get_host_speed,
398 .show_host_fabric_name = 1,
399 .get_host_fabric_name = bfad_im_get_host_fabric_name,
401 .show_host_symbolic_name = 1,
404 .get_fc_host_stats = bfad_im_get_stats,
405 .reset_fc_host_stats = bfad_im_reset_stats,
407 /* Allocation length for host specific data */
408 .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
410 /* Remote port fixed attributes */
411 .show_rport_maxframe_size = 1,
412 .show_rport_supported_classes = 1,
413 .show_rport_dev_loss_tmo = 1,
414 .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
415 .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
419 * Scsi_Host_attrs SCSI host attributes
422 bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
425 struct Scsi_Host *shost = class_to_shost(dev);
426 struct bfad_im_port_s *im_port =
427 (struct bfad_im_port_s *) shost->hostdata[0];
428 struct bfad_s *bfad = im_port->bfad;
429 char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
431 bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
432 return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
436 bfad_im_model_show(struct device *dev, struct device_attribute *attr,
439 struct Scsi_Host *shost = class_to_shost(dev);
440 struct bfad_im_port_s *im_port =
441 (struct bfad_im_port_s *) shost->hostdata[0];
442 struct bfad_s *bfad = im_port->bfad;
443 char model[BFA_ADAPTER_MODEL_NAME_LEN];
445 bfa_get_adapter_model(&bfad->bfa, model);
446 return snprintf(buf, PAGE_SIZE, "%s\n", model);
450 bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
453 struct Scsi_Host *shost = class_to_shost(dev);
454 struct bfad_im_port_s *im_port =
455 (struct bfad_im_port_s *) shost->hostdata[0];
456 struct bfad_s *bfad = im_port->bfad;
457 char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
459 bfa_get_adapter_model(&bfad->bfa, model_descr);
460 return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
464 bfad_im_node_name_show(struct device *dev, struct device_attribute *attr,
467 struct Scsi_Host *shost = class_to_shost(dev);
468 struct bfad_im_port_s *im_port =
469 (struct bfad_im_port_s *) shost->hostdata[0];
470 struct bfad_port_s *port = im_port->port;
473 nwwn = bfa_fcs_port_get_nwwn(port->fcs_port);
474 return snprintf(buf, PAGE_SIZE, "0x%llx\n", bfa_os_htonll(nwwn));
478 bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
481 struct Scsi_Host *shost = class_to_shost(dev);
482 struct bfad_im_port_s *im_port =
483 (struct bfad_im_port_s *) shost->hostdata[0];
484 struct bfad_s *bfad = im_port->bfad;
485 char model[BFA_ADAPTER_MODEL_NAME_LEN];
486 char fw_ver[BFA_VERSION_LEN];
488 bfa_get_adapter_model(&bfad->bfa, model);
489 bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
490 return snprintf(buf, PAGE_SIZE, "Brocade %s FV%s DV%s\n",
491 model, fw_ver, BFAD_DRIVER_VERSION);
495 bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
498 struct Scsi_Host *shost = class_to_shost(dev);
499 struct bfad_im_port_s *im_port =
500 (struct bfad_im_port_s *) shost->hostdata[0];
501 struct bfad_s *bfad = im_port->bfad;
502 char hw_ver[BFA_VERSION_LEN];
504 bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
505 return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
509 bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
512 return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
516 bfad_im_optionrom_version_show(struct device *dev,
517 struct device_attribute *attr, char *buf)
519 struct Scsi_Host *shost = class_to_shost(dev);
520 struct bfad_im_port_s *im_port =
521 (struct bfad_im_port_s *) shost->hostdata[0];
522 struct bfad_s *bfad = im_port->bfad;
523 char optrom_ver[BFA_VERSION_LEN];
525 bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
526 return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
530 bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
533 struct Scsi_Host *shost = class_to_shost(dev);
534 struct bfad_im_port_s *im_port =
535 (struct bfad_im_port_s *) shost->hostdata[0];
536 struct bfad_s *bfad = im_port->bfad;
537 char fw_ver[BFA_VERSION_LEN];
539 bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
540 return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
544 bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
547 struct Scsi_Host *shost = class_to_shost(dev);
548 struct bfad_im_port_s *im_port =
549 (struct bfad_im_port_s *) shost->hostdata[0];
550 struct bfad_s *bfad = im_port->bfad;
552 return snprintf(buf, PAGE_SIZE, "%d\n",
553 bfa_get_nports(&bfad->bfa));
557 bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
560 return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
564 bfad_im_num_of_discovered_ports_show(struct device *dev,
565 struct device_attribute *attr, char *buf)
567 struct Scsi_Host *shost = class_to_shost(dev);
568 struct bfad_im_port_s *im_port =
569 (struct bfad_im_port_s *) shost->hostdata[0];
570 struct bfad_port_s *port = im_port->port;
571 struct bfad_s *bfad = im_port->bfad;
573 wwn_t *rports = NULL;
576 rports = kzalloc(sizeof(wwn_t) * nrports , GFP_ATOMIC);
580 spin_lock_irqsave(&bfad->bfad_lock, flags);
581 bfa_fcs_port_get_rports(port->fcs_port, rports, &nrports);
582 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
585 return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
588 static DEVICE_ATTR(serial_number, S_IRUGO,
589 bfad_im_serial_num_show, NULL);
590 static DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
591 static DEVICE_ATTR(model_description, S_IRUGO,
592 bfad_im_model_desc_show, NULL);
593 static DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
594 static DEVICE_ATTR(symbolic_name, S_IRUGO,
595 bfad_im_symbolic_name_show, NULL);
596 static DEVICE_ATTR(hardware_version, S_IRUGO,
597 bfad_im_hw_version_show, NULL);
598 static DEVICE_ATTR(driver_version, S_IRUGO,
599 bfad_im_drv_version_show, NULL);
600 static DEVICE_ATTR(option_rom_version, S_IRUGO,
601 bfad_im_optionrom_version_show, NULL);
602 static DEVICE_ATTR(firmware_version, S_IRUGO,
603 bfad_im_fw_version_show, NULL);
604 static DEVICE_ATTR(number_of_ports, S_IRUGO,
605 bfad_im_num_of_ports_show, NULL);
606 static DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
607 static DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
608 bfad_im_num_of_discovered_ports_show, NULL);
610 struct device_attribute *bfad_im_host_attrs[] = {
611 &dev_attr_serial_number,
613 &dev_attr_model_description,
615 &dev_attr_symbolic_name,
616 &dev_attr_hardware_version,
617 &dev_attr_driver_version,
618 &dev_attr_option_rom_version,
619 &dev_attr_firmware_version,
620 &dev_attr_number_of_ports,
621 &dev_attr_driver_name,
622 &dev_attr_number_of_discovered_ports,
626 struct device_attribute *bfad_im_vport_attrs[] = {
627 &dev_attr_serial_number,
629 &dev_attr_model_description,
631 &dev_attr_symbolic_name,
632 &dev_attr_hardware_version,
633 &dev_attr_driver_version,
634 &dev_attr_option_rom_version,
635 &dev_attr_firmware_version,
636 &dev_attr_number_of_ports,
637 &dev_attr_driver_name,
638 &dev_attr_number_of_discovered_ports,