Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
zfcp_sysfs.c
Go to the documentation of this file.
1 /*
2  * zfcp device driver
3  *
4  * sysfs attributes.
5  *
6  * Copyright IBM Corp. 2008, 2010
7  */
8 
9 #define KMSG_COMPONENT "zfcp"
10 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
11 
12 #include <linux/slab.h>
13 #include "zfcp_ext.h"
14 
15 #define ZFCP_DEV_ATTR(_feat, _name, _mode, _show, _store) \
16 struct device_attribute dev_attr_##_feat##_##_name = __ATTR(_name, _mode,\
17  _show, _store)
18 #define ZFCP_DEFINE_ATTR(_feat_def, _feat, _name, _format, _value) \
19 static ssize_t zfcp_sysfs_##_feat##_##_name##_show(struct device *dev, \
20  struct device_attribute *at,\
21  char *buf) \
22 { \
23  struct _feat_def *_feat = container_of(dev, struct _feat_def, dev); \
24  \
25  return sprintf(buf, _format, _value); \
26 } \
27 static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \
28  zfcp_sysfs_##_feat##_##_name##_show, NULL);
29 
30 #define ZFCP_DEFINE_A_ATTR(_name, _format, _value) \
31 static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \
32  struct device_attribute *at,\
33  char *buf) \
34 { \
35  struct ccw_device *cdev = to_ccwdev(dev); \
36  struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev); \
37  int i; \
38  \
39  if (!adapter) \
40  return -ENODEV; \
41  \
42  i = sprintf(buf, _format, _value); \
43  zfcp_ccw_adapter_put(adapter); \
44  return i; \
45 } \
46 static ZFCP_DEV_ATTR(adapter, _name, S_IRUGO, \
47  zfcp_sysfs_adapter_##_name##_show, NULL);
48 
49 ZFCP_DEFINE_A_ATTR(status, "0x%08x\n", atomic_read(&adapter->status));
50 ZFCP_DEFINE_A_ATTR(peer_wwnn, "0x%016llx\n",
51  (unsigned long long) adapter->peer_wwnn);
52 ZFCP_DEFINE_A_ATTR(peer_wwpn, "0x%016llx\n",
53  (unsigned long long) adapter->peer_wwpn);
54 ZFCP_DEFINE_A_ATTR(peer_d_id, "0x%06x\n", adapter->peer_d_id);
55 ZFCP_DEFINE_A_ATTR(card_version, "0x%04x\n", adapter->hydra_version);
56 ZFCP_DEFINE_A_ATTR(lic_version, "0x%08x\n", adapter->fsf_lic_version);
57 ZFCP_DEFINE_A_ATTR(hardware_version, "0x%08x\n", adapter->hardware_version);
58 ZFCP_DEFINE_A_ATTR(in_recovery, "%d\n", (atomic_read(&adapter->status) &
59  ZFCP_STATUS_COMMON_ERP_INUSE) != 0);
60 
61 ZFCP_DEFINE_ATTR(zfcp_port, port, status, "0x%08x\n",
62  atomic_read(&port->status));
63 ZFCP_DEFINE_ATTR(zfcp_port, port, in_recovery, "%d\n",
64  (atomic_read(&port->status) &
65  ZFCP_STATUS_COMMON_ERP_INUSE) != 0);
66 ZFCP_DEFINE_ATTR(zfcp_port, port, access_denied, "%d\n",
67  (atomic_read(&port->status) &
68  ZFCP_STATUS_COMMON_ACCESS_DENIED) != 0);
69 
70 ZFCP_DEFINE_ATTR(zfcp_unit, unit, status, "0x%08x\n",
71  zfcp_unit_sdev_status(unit));
72 ZFCP_DEFINE_ATTR(zfcp_unit, unit, in_recovery, "%d\n",
73  (zfcp_unit_sdev_status(unit) &
74  ZFCP_STATUS_COMMON_ERP_INUSE) != 0);
75 ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_denied, "%d\n",
76  (zfcp_unit_sdev_status(unit) &
77  ZFCP_STATUS_COMMON_ACCESS_DENIED) != 0);
78 ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_shared, "%d\n",
79  (zfcp_unit_sdev_status(unit) &
80  ZFCP_STATUS_LUN_SHARED) != 0);
81 ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_readonly, "%d\n",
82  (zfcp_unit_sdev_status(unit) &
83  ZFCP_STATUS_LUN_READONLY) != 0);
84 
85 static ssize_t zfcp_sysfs_port_failed_show(struct device *dev,
86  struct device_attribute *attr,
87  char *buf)
88 {
89  struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
90 
91  if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
92  return sprintf(buf, "1\n");
93 
94  return sprintf(buf, "0\n");
95 }
96 
97 static ssize_t zfcp_sysfs_port_failed_store(struct device *dev,
98  struct device_attribute *attr,
99  const char *buf, size_t count)
100 {
101  struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
102  unsigned long val;
103 
104  if (strict_strtoul(buf, 0, &val) || val != 0)
105  return -EINVAL;
106 
107  zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_RUNNING);
108  zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, "sypfai2");
109  zfcp_erp_wait(port->adapter);
110 
111  return count;
112 }
113 static ZFCP_DEV_ATTR(port, failed, S_IWUSR | S_IRUGO,
114  zfcp_sysfs_port_failed_show,
115  zfcp_sysfs_port_failed_store);
116 
117 static ssize_t zfcp_sysfs_unit_failed_show(struct device *dev,
118  struct device_attribute *attr,
119  char *buf)
120 {
121  struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev);
122  struct scsi_device *sdev;
123  unsigned int status, failed = 1;
124 
125  sdev = zfcp_unit_sdev(unit);
126  if (sdev) {
127  status = atomic_read(&sdev_to_zfcp(sdev)->status);
128  failed = status & ZFCP_STATUS_COMMON_ERP_FAILED ? 1 : 0;
129  scsi_device_put(sdev);
130  }
131 
132  return sprintf(buf, "%d\n", failed);
133 }
134 
135 static ssize_t zfcp_sysfs_unit_failed_store(struct device *dev,
136  struct device_attribute *attr,
137  const char *buf, size_t count)
138 {
139  struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev);
140  unsigned long val;
141  struct scsi_device *sdev;
142 
143  if (strict_strtoul(buf, 0, &val) || val != 0)
144  return -EINVAL;
145 
146  sdev = zfcp_unit_sdev(unit);
147  if (sdev) {
148  zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING);
149  zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED,
150  "syufai2");
151  zfcp_erp_wait(unit->port->adapter);
152  } else
153  zfcp_unit_scsi_scan(unit);
154 
155  return count;
156 }
157 static ZFCP_DEV_ATTR(unit, failed, S_IWUSR | S_IRUGO,
158  zfcp_sysfs_unit_failed_show,
159  zfcp_sysfs_unit_failed_store);
160 
161 static ssize_t zfcp_sysfs_adapter_failed_show(struct device *dev,
162  struct device_attribute *attr,
163  char *buf)
164 {
165  struct ccw_device *cdev = to_ccwdev(dev);
166  struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
167  int i;
168 
169  if (!adapter)
170  return -ENODEV;
171 
172  if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
173  i = sprintf(buf, "1\n");
174  else
175  i = sprintf(buf, "0\n");
176 
177  zfcp_ccw_adapter_put(adapter);
178  return i;
179 }
180 
181 static ssize_t zfcp_sysfs_adapter_failed_store(struct device *dev,
182  struct device_attribute *attr,
183  const char *buf, size_t count)
184 {
185  struct ccw_device *cdev = to_ccwdev(dev);
186  struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
187  unsigned long val;
188  int retval = 0;
189 
190  if (!adapter)
191  return -ENODEV;
192 
193  if (strict_strtoul(buf, 0, &val) || val != 0) {
194  retval = -EINVAL;
195  goto out;
196  }
197 
198  zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);
199  zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
200  "syafai2");
201  zfcp_erp_wait(adapter);
202 out:
203  zfcp_ccw_adapter_put(adapter);
204  return retval ? retval : (ssize_t) count;
205 }
206 static ZFCP_DEV_ATTR(adapter, failed, S_IWUSR | S_IRUGO,
207  zfcp_sysfs_adapter_failed_show,
208  zfcp_sysfs_adapter_failed_store);
209 
210 static ssize_t zfcp_sysfs_port_rescan_store(struct device *dev,
211  struct device_attribute *attr,
212  const char *buf, size_t count)
213 {
214  struct ccw_device *cdev = to_ccwdev(dev);
215  struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
216 
217  if (!adapter)
218  return -ENODEV;
219 
220  /* sync the user-space- with the kernel-invocation of scan_work */
221  queue_work(adapter->work_queue, &adapter->scan_work);
222  flush_work(&adapter->scan_work);
223  zfcp_ccw_adapter_put(adapter);
224 
225  return (ssize_t) count;
226 }
227 static ZFCP_DEV_ATTR(adapter, port_rescan, S_IWUSR, NULL,
228  zfcp_sysfs_port_rescan_store);
229 
230 DEFINE_MUTEX(zfcp_sysfs_port_units_mutex);
231 
232 static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
233  struct device_attribute *attr,
234  const char *buf, size_t count)
235 {
236  struct ccw_device *cdev = to_ccwdev(dev);
237  struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
238  struct zfcp_port *port;
239  u64 wwpn;
240  int retval = -EINVAL;
241 
242  if (!adapter)
243  return -ENODEV;
244 
245  if (strict_strtoull(buf, 0, (unsigned long long *) &wwpn))
246  goto out;
247 
248  port = zfcp_get_port_by_wwpn(adapter, wwpn);
249  if (!port)
250  goto out;
251  else
252  retval = 0;
253 
254  mutex_lock(&zfcp_sysfs_port_units_mutex);
255  if (atomic_read(&port->units) > 0) {
256  retval = -EBUSY;
257  mutex_unlock(&zfcp_sysfs_port_units_mutex);
258  goto out;
259  }
260  /* port is about to be removed, so no more unit_add */
261  atomic_set(&port->units, -1);
262  mutex_unlock(&zfcp_sysfs_port_units_mutex);
263 
264  write_lock_irq(&adapter->port_list_lock);
265  list_del(&port->list);
266  write_unlock_irq(&adapter->port_list_lock);
267 
268  put_device(&port->dev);
269 
270  zfcp_erp_port_shutdown(port, 0, "syprs_1");
271  zfcp_device_unregister(&port->dev, &zfcp_sysfs_port_attrs);
272  out:
273  zfcp_ccw_adapter_put(adapter);
274  return retval ? retval : (ssize_t) count;
275 }
276 static ZFCP_DEV_ATTR(adapter, port_remove, S_IWUSR, NULL,
277  zfcp_sysfs_port_remove_store);
278 
279 static struct attribute *zfcp_adapter_attrs[] = {
280  &dev_attr_adapter_failed.attr,
281  &dev_attr_adapter_in_recovery.attr,
282  &dev_attr_adapter_port_remove.attr,
283  &dev_attr_adapter_port_rescan.attr,
284  &dev_attr_adapter_peer_wwnn.attr,
285  &dev_attr_adapter_peer_wwpn.attr,
286  &dev_attr_adapter_peer_d_id.attr,
287  &dev_attr_adapter_card_version.attr,
288  &dev_attr_adapter_lic_version.attr,
289  &dev_attr_adapter_status.attr,
290  &dev_attr_adapter_hardware_version.attr,
291  NULL
292 };
293 
294 struct attribute_group zfcp_sysfs_adapter_attrs = {
295  .attrs = zfcp_adapter_attrs,
296 };
297 
298 static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
299  struct device_attribute *attr,
300  const char *buf, size_t count)
301 {
302  struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
303  u64 fcp_lun;
304  int retval;
305 
306  if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun))
307  return -EINVAL;
308 
309  retval = zfcp_unit_add(port, fcp_lun);
310  if (retval)
311  return retval;
312 
313  return count;
314 }
315 static DEVICE_ATTR(unit_add, S_IWUSR, NULL, zfcp_sysfs_unit_add_store);
316 
317 static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
318  struct device_attribute *attr,
319  const char *buf, size_t count)
320 {
321  struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
322  u64 fcp_lun;
323 
324  if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun))
325  return -EINVAL;
326 
327  if (zfcp_unit_remove(port, fcp_lun))
328  return -EINVAL;
329 
330  return count;
331 }
332 static DEVICE_ATTR(unit_remove, S_IWUSR, NULL, zfcp_sysfs_unit_remove_store);
333 
334 static struct attribute *zfcp_port_attrs[] = {
335  &dev_attr_unit_add.attr,
336  &dev_attr_unit_remove.attr,
337  &dev_attr_port_failed.attr,
338  &dev_attr_port_in_recovery.attr,
339  &dev_attr_port_status.attr,
340  &dev_attr_port_access_denied.attr,
341  NULL
342 };
343 
347 struct attribute_group zfcp_sysfs_port_attrs = {
348  .attrs = zfcp_port_attrs,
349 };
350 
351 static struct attribute *zfcp_unit_attrs[] = {
352  &dev_attr_unit_failed.attr,
353  &dev_attr_unit_in_recovery.attr,
354  &dev_attr_unit_status.attr,
355  &dev_attr_unit_access_denied.attr,
356  &dev_attr_unit_access_shared.attr,
357  &dev_attr_unit_access_readonly.attr,
358  NULL
359 };
360 
361 struct attribute_group zfcp_sysfs_unit_attrs = {
362  .attrs = zfcp_unit_attrs,
363 };
364 
365 #define ZFCP_DEFINE_LATENCY_ATTR(_name) \
366 static ssize_t \
367 zfcp_sysfs_unit_##_name##_latency_show(struct device *dev, \
368  struct device_attribute *attr, \
369  char *buf) { \
370  struct scsi_device *sdev = to_scsi_device(dev); \
371  struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); \
372  struct zfcp_latencies *lat = &zfcp_sdev->latencies; \
373  struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; \
374  unsigned long long fsum, fmin, fmax, csum, cmin, cmax, cc; \
375  \
376  spin_lock_bh(&lat->lock); \
377  fsum = lat->_name.fabric.sum * adapter->timer_ticks; \
378  fmin = lat->_name.fabric.min * adapter->timer_ticks; \
379  fmax = lat->_name.fabric.max * adapter->timer_ticks; \
380  csum = lat->_name.channel.sum * adapter->timer_ticks; \
381  cmin = lat->_name.channel.min * adapter->timer_ticks; \
382  cmax = lat->_name.channel.max * adapter->timer_ticks; \
383  cc = lat->_name.counter; \
384  spin_unlock_bh(&lat->lock); \
385  \
386  do_div(fsum, 1000); \
387  do_div(fmin, 1000); \
388  do_div(fmax, 1000); \
389  do_div(csum, 1000); \
390  do_div(cmin, 1000); \
391  do_div(cmax, 1000); \
392  \
393  return sprintf(buf, "%llu %llu %llu %llu %llu %llu %llu\n", \
394  fmin, fmax, fsum, cmin, cmax, csum, cc); \
395 } \
396 static ssize_t \
397 zfcp_sysfs_unit_##_name##_latency_store(struct device *dev, \
398  struct device_attribute *attr, \
399  const char *buf, size_t count) \
400 { \
401  struct scsi_device *sdev = to_scsi_device(dev); \
402  struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); \
403  struct zfcp_latencies *lat = &zfcp_sdev->latencies; \
404  unsigned long flags; \
405  \
406  spin_lock_irqsave(&lat->lock, flags); \
407  lat->_name.fabric.sum = 0; \
408  lat->_name.fabric.min = 0xFFFFFFFF; \
409  lat->_name.fabric.max = 0; \
410  lat->_name.channel.sum = 0; \
411  lat->_name.channel.min = 0xFFFFFFFF; \
412  lat->_name.channel.max = 0; \
413  lat->_name.counter = 0; \
414  spin_unlock_irqrestore(&lat->lock, flags); \
415  \
416  return (ssize_t) count; \
417 } \
418 static DEVICE_ATTR(_name##_latency, S_IWUSR | S_IRUGO, \
419  zfcp_sysfs_unit_##_name##_latency_show, \
420  zfcp_sysfs_unit_##_name##_latency_store);
421 
422 ZFCP_DEFINE_LATENCY_ATTR(read);
423 ZFCP_DEFINE_LATENCY_ATTR(write);
424 ZFCP_DEFINE_LATENCY_ATTR(cmd);
425 
426 #define ZFCP_DEFINE_SCSI_ATTR(_name, _format, _value) \
427 static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, \
428  struct device_attribute *attr,\
429  char *buf) \
430 { \
431  struct scsi_device *sdev = to_scsi_device(dev); \
432  struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); \
433  struct zfcp_port *port = zfcp_sdev->port; \
434  \
435  return sprintf(buf, _format, _value); \
436 } \
437 static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL);
438 
439 ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n",
440  dev_name(&port->adapter->ccw_device->dev));
441 ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n",
442  (unsigned long long) port->wwpn);
443 
444 static ssize_t zfcp_sysfs_scsi_fcp_lun_show(struct device *dev,
445  struct device_attribute *attr,
446  char *buf)
447 {
448  struct scsi_device *sdev = to_scsi_device(dev);
449 
450  return sprintf(buf, "0x%016llx\n", zfcp_scsi_dev_lun(sdev));
451 }
452 static DEVICE_ATTR(fcp_lun, S_IRUGO, zfcp_sysfs_scsi_fcp_lun_show, NULL);
453 
454 struct device_attribute *zfcp_sysfs_sdev_attrs[] = {
455  &dev_attr_fcp_lun,
456  &dev_attr_wwpn,
457  &dev_attr_hba_id,
458  &dev_attr_read_latency,
459  &dev_attr_write_latency,
460  &dev_attr_cmd_latency,
461  NULL
462 };
463 
464 static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
465  struct device_attribute *attr,
466  char *buf)
467 {
468  struct Scsi_Host *scsi_host = dev_to_shost(dev);
469  struct fsf_qtcb_bottom_port *qtcb_port;
470  struct zfcp_adapter *adapter;
471  int retval;
472 
473  adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
474  if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
475  return -EOPNOTSUPP;
476 
477  qtcb_port = kzalloc(sizeof(struct fsf_qtcb_bottom_port), GFP_KERNEL);
478  if (!qtcb_port)
479  return -ENOMEM;
480 
481  retval = zfcp_fsf_exchange_port_data_sync(adapter->qdio, qtcb_port);
482  if (!retval)
483  retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
484  qtcb_port->cb_util, qtcb_port->a_util);
485  kfree(qtcb_port);
486  return retval;
487 }
488 static DEVICE_ATTR(utilization, S_IRUGO, zfcp_sysfs_adapter_util_show, NULL);
489 
490 static int zfcp_sysfs_adapter_ex_config(struct device *dev,
491  struct fsf_statistics_info *stat_inf)
492 {
493  struct Scsi_Host *scsi_host = dev_to_shost(dev);
494  struct fsf_qtcb_bottom_config *qtcb_config;
495  struct zfcp_adapter *adapter;
496  int retval;
497 
498  adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
499  if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
500  return -EOPNOTSUPP;
501 
502  qtcb_config = kzalloc(sizeof(struct fsf_qtcb_bottom_config),
503  GFP_KERNEL);
504  if (!qtcb_config)
505  return -ENOMEM;
506 
507  retval = zfcp_fsf_exchange_config_data_sync(adapter->qdio, qtcb_config);
508  if (!retval)
509  *stat_inf = qtcb_config->stat_info;
510 
511  kfree(qtcb_config);
512  return retval;
513 }
514 
515 #define ZFCP_SHOST_ATTR(_name, _format, _arg...) \
516 static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \
517  struct device_attribute *attr,\
518  char *buf) \
519 { \
520  struct fsf_statistics_info stat_info; \
521  int retval; \
522  \
523  retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info); \
524  if (retval) \
525  return retval; \
526  \
527  return sprintf(buf, _format, ## _arg); \
528 } \
529 static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_adapter_##_name##_show, NULL);
530 
531 ZFCP_SHOST_ATTR(requests, "%llu %llu %llu\n",
532  (unsigned long long) stat_info.input_req,
533  (unsigned long long) stat_info.output_req,
534  (unsigned long long) stat_info.control_req);
535 
536 ZFCP_SHOST_ATTR(megabytes, "%llu %llu\n",
537  (unsigned long long) stat_info.input_mb,
538  (unsigned long long) stat_info.output_mb);
539 
540 ZFCP_SHOST_ATTR(seconds_active, "%llu\n",
541  (unsigned long long) stat_info.seconds_act);
542 
543 static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
544  struct device_attribute *attr,
545  char *buf)
546 {
547  struct Scsi_Host *scsi_host = class_to_shost(dev);
548  struct zfcp_qdio *qdio =
549  ((struct zfcp_adapter *) scsi_host->hostdata[0])->qdio;
550  u64 util;
551 
552  spin_lock_bh(&qdio->stat_lock);
553  util = qdio->req_q_util;
554  spin_unlock_bh(&qdio->stat_lock);
555 
556  return sprintf(buf, "%d %llu\n", atomic_read(&qdio->req_q_full),
557  (unsigned long long)util);
558 }
559 static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);
560 
561 struct device_attribute *zfcp_sysfs_shost_attrs[] = {
562  &dev_attr_utilization,
563  &dev_attr_requests,
564  &dev_attr_megabytes,
565  &dev_attr_seconds_active,
566  &dev_attr_queue_full,
567  NULL
568 };
Generated on Thu Jan 10 2013 14:18:26 for Linux Kernel by   doxygen 1.8.2