4 * SCSI sysfs interface routines.
6 * Created to pull SCSI mid layer sysfs routines into one file.
9 #include <linux/config.h>
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/blkdev.h>
13 #include <linux/device.h>
15 #include <scsi/scsi.h>
16 #include <scsi/scsi_device.h>
17 #include <scsi/scsi_host.h>
18 #include <scsi/scsi_tcq.h>
19 #include <scsi/scsi_transport.h>
21 #include "scsi_priv.h"
22 #include "scsi_logging.h"
25 enum scsi_device_state value
;
28 { SDEV_CREATED
, "created" },
29 { SDEV_RUNNING
, "running" },
30 { SDEV_CANCEL
, "cancel" },
31 { SDEV_DEL
, "deleted" },
32 { SDEV_QUIESCE
, "quiesce" },
33 { SDEV_OFFLINE
, "offline" },
34 { SDEV_BLOCK
, "blocked" },
37 const char *scsi_device_state_name(enum scsi_device_state state
)
42 for (i
= 0; i
< sizeof(sdev_states
)/sizeof(sdev_states
[0]); i
++) {
43 if (sdev_states
[i
].value
== state
) {
44 name
= sdev_states
[i
].name
;
52 enum scsi_host_state value
;
55 { SHOST_CREATED
, "created" },
56 { SHOST_RUNNING
, "running" },
57 { SHOST_CANCEL
, "cancel" },
58 { SHOST_DEL
, "deleted" },
59 { SHOST_RECOVERY
, "recovery" },
60 { SHOST_CANCEL_RECOVERY
, "cancel/recovery" },
61 { SHOST_DEL_RECOVERY
, "deleted/recovery", },
63 const char *scsi_host_state_name(enum scsi_host_state state
)
68 for (i
= 0; i
< sizeof(shost_states
)/sizeof(shost_states
[0]); i
++) {
69 if (shost_states
[i
].value
== state
) {
70 name
= shost_states
[i
].name
;
77 static int check_set(unsigned int *val
, char *src
)
81 if (strncmp(src
, "-", 20) == 0) {
82 *val
= SCAN_WILD_CARD
;
85 * Doesn't check for int overflow
87 *val
= simple_strtoul(src
, &last
, 0);
94 static int scsi_scan(struct Scsi_Host
*shost
, const char *str
)
96 char s1
[15], s2
[15], s3
[15], junk
;
97 unsigned int channel
, id
, lun
;
100 res
= sscanf(str
, "%10s %10s %10s %c", s1
, s2
, s3
, &junk
);
103 if (check_set(&channel
, s1
))
105 if (check_set(&id
, s2
))
107 if (check_set(&lun
, s3
))
109 if (shost
->transportt
->user_scan
)
110 res
= shost
->transportt
->user_scan(shost
, channel
, id
, lun
);
112 res
= scsi_scan_host_selected(shost
, channel
, id
, lun
, 1);
117 * shost_show_function: macro to create an attr function that can be used to
118 * show a non-bit field.
120 #define shost_show_function(name, field, format_string) \
122 show_##name (struct class_device *class_dev, char *buf) \
124 struct Scsi_Host *shost = class_to_shost(class_dev); \
125 return snprintf (buf, 20, format_string, shost->field); \
129 * shost_rd_attr: macro to create a function and attribute variable for a
132 #define shost_rd_attr2(name, field, format_string) \
133 shost_show_function(name, field, format_string) \
134 static CLASS_DEVICE_ATTR(name, S_IRUGO, show_##name, NULL);
136 #define shost_rd_attr(field, format_string) \
137 shost_rd_attr2(field, field, format_string)
140 * Create the actual show/store functions and data structures.
143 static ssize_t
store_scan(struct class_device
*class_dev
, const char *buf
,
146 struct Scsi_Host
*shost
= class_to_shost(class_dev
);
149 res
= scsi_scan(shost
, buf
);
154 static CLASS_DEVICE_ATTR(scan
, S_IWUSR
, NULL
, store_scan
);
157 store_shost_state(struct class_device
*class_dev
, const char *buf
, size_t count
)
160 struct Scsi_Host
*shost
= class_to_shost(class_dev
);
161 enum scsi_host_state state
= 0;
163 for (i
= 0; i
< sizeof(shost_states
)/sizeof(shost_states
[0]); i
++) {
164 const int len
= strlen(shost_states
[i
].name
);
165 if (strncmp(shost_states
[i
].name
, buf
, len
) == 0 &&
167 state
= shost_states
[i
].value
;
174 if (scsi_host_set_state(shost
, state
))
180 show_shost_state(struct class_device
*class_dev
, char *buf
)
182 struct Scsi_Host
*shost
= class_to_shost(class_dev
);
183 const char *name
= scsi_host_state_name(shost
->shost_state
);
188 return snprintf(buf
, 20, "%s\n", name
);
191 static CLASS_DEVICE_ATTR(state
, S_IRUGO
| S_IWUSR
, show_shost_state
, store_shost_state
);
193 shost_rd_attr(unique_id
, "%u\n");
194 shost_rd_attr(host_busy
, "%hu\n");
195 shost_rd_attr(cmd_per_lun
, "%hd\n");
196 shost_rd_attr(sg_tablesize
, "%hu\n");
197 shost_rd_attr(unchecked_isa_dma
, "%d\n");
198 shost_rd_attr2(proc_name
, hostt
->proc_name
, "%s\n");
200 static struct class_device_attribute
*scsi_sysfs_shost_attrs
[] = {
201 &class_device_attr_unique_id
,
202 &class_device_attr_host_busy
,
203 &class_device_attr_cmd_per_lun
,
204 &class_device_attr_sg_tablesize
,
205 &class_device_attr_unchecked_isa_dma
,
206 &class_device_attr_proc_name
,
207 &class_device_attr_scan
,
208 &class_device_attr_state
,
212 static void scsi_device_cls_release(struct class_device
*class_dev
)
214 struct scsi_device
*sdev
;
216 sdev
= class_to_sdev(class_dev
);
217 put_device(&sdev
->sdev_gendev
);
220 static void scsi_device_dev_release(struct device
*dev
)
222 struct scsi_device
*sdev
;
223 struct device
*parent
;
224 struct scsi_target
*starget
;
227 parent
= dev
->parent
;
228 sdev
= to_scsi_device(dev
);
229 starget
= to_scsi_target(parent
);
231 spin_lock_irqsave(sdev
->host
->host_lock
, flags
);
233 list_del(&sdev
->siblings
);
234 list_del(&sdev
->same_target_siblings
);
235 list_del(&sdev
->starved_entry
);
236 spin_unlock_irqrestore(sdev
->host
->host_lock
, flags
);
238 if (sdev
->request_queue
) {
239 sdev
->request_queue
->queuedata
= NULL
;
240 scsi_free_queue(sdev
->request_queue
);
241 /* temporary expedient, try to catch use of queue lock
242 * after free of sdev */
243 sdev
->request_queue
= NULL
;
246 scsi_target_reap(scsi_target(sdev
));
248 kfree(sdev
->inquiry
);
255 static struct class sdev_class
= {
256 .name
= "scsi_device",
257 .release
= scsi_device_cls_release
,
260 /* all probing is done in the individual ->probe routines */
261 static int scsi_bus_match(struct device
*dev
, struct device_driver
*gendrv
)
263 struct scsi_device
*sdp
= to_scsi_device(dev
);
264 if (sdp
->no_uld_attach
)
266 return (sdp
->inq_periph_qual
== SCSI_INQ_PQ_CON
)? 1: 0;
269 static int scsi_bus_suspend(struct device
* dev
, pm_message_t state
)
271 struct scsi_device
*sdev
= to_scsi_device(dev
);
272 struct scsi_host_template
*sht
= sdev
->host
->hostt
;
275 err
= scsi_device_quiesce(sdev
);
280 err
= sht
->suspend(sdev
);
285 static int scsi_bus_resume(struct device
* dev
)
287 struct scsi_device
*sdev
= to_scsi_device(dev
);
288 struct scsi_host_template
*sht
= sdev
->host
->hostt
;
292 err
= sht
->resume(sdev
);
294 scsi_device_resume(sdev
);
298 struct bus_type scsi_bus_type
= {
300 .match
= scsi_bus_match
,
301 .suspend
= scsi_bus_suspend
,
302 .resume
= scsi_bus_resume
,
305 int scsi_sysfs_register(void)
309 error
= bus_register(&scsi_bus_type
);
311 error
= class_register(&sdev_class
);
313 bus_unregister(&scsi_bus_type
);
319 void scsi_sysfs_unregister(void)
321 class_unregister(&sdev_class
);
322 bus_unregister(&scsi_bus_type
);
326 * sdev_show_function: macro to create an attr function that can be used to
327 * show a non-bit field.
329 #define sdev_show_function(field, format_string) \
331 sdev_show_##field (struct device *dev, struct device_attribute *attr, char *buf) \
333 struct scsi_device *sdev; \
334 sdev = to_scsi_device(dev); \
335 return snprintf (buf, 20, format_string, sdev->field); \
339 * sdev_rd_attr: macro to create a function and attribute variable for a
342 #define sdev_rd_attr(field, format_string) \
343 sdev_show_function(field, format_string) \
344 static DEVICE_ATTR(field, S_IRUGO, sdev_show_##field, NULL);
348 * sdev_rd_attr: create a function and attribute variable for a
351 #define sdev_rw_attr(field, format_string) \
352 sdev_show_function(field, format_string) \
355 sdev_store_##field (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
357 struct scsi_device *sdev; \
358 sdev = to_scsi_device(dev); \
359 snscanf (buf, 20, format_string, &sdev->field); \
362 static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, sdev_show_##field, sdev_store_##field);
364 /* Currently we don't export bit fields, but we might in future,
365 * so leave this code in */
368 * sdev_rd_attr: create a function and attribute variable for a
369 * read/write bit field.
371 #define sdev_rw_attr_bit(field) \
372 sdev_show_function(field, "%d\n") \
375 sdev_store_##field (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
378 struct scsi_device *sdev; \
379 ret = scsi_sdev_check_buf_bit(buf); \
381 sdev = to_scsi_device(dev); \
387 static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, sdev_show_##field, sdev_store_##field);
390 * scsi_sdev_check_buf_bit: return 0 if buf is "0", return 1 if buf is "1",
391 * else return -EINVAL.
393 static int scsi_sdev_check_buf_bit(const char *buf
)
395 if ((buf
[1] == '\0') || ((buf
[1] == '\n') && (buf
[2] == '\0'))) {
398 else if (buf
[0] == '0')
407 * Create the actual show/store functions and data structures.
409 sdev_rd_attr (device_blocked
, "%d\n");
410 sdev_rd_attr (queue_depth
, "%d\n");
411 sdev_rd_attr (type
, "%d\n");
412 sdev_rd_attr (scsi_level
, "%d\n");
413 sdev_rd_attr (vendor
, "%.8s\n");
414 sdev_rd_attr (model
, "%.16s\n");
415 sdev_rd_attr (rev
, "%.4s\n");
418 sdev_show_timeout (struct device
*dev
, struct device_attribute
*attr
, char *buf
)
420 struct scsi_device
*sdev
;
421 sdev
= to_scsi_device(dev
);
422 return snprintf (buf
, 20, "%d\n", sdev
->timeout
/ HZ
);
426 sdev_store_timeout (struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
428 struct scsi_device
*sdev
;
430 sdev
= to_scsi_device(dev
);
431 sscanf (buf
, "%d\n", &timeout
);
432 sdev
->timeout
= timeout
* HZ
;
435 static DEVICE_ATTR(timeout
, S_IRUGO
| S_IWUSR
, sdev_show_timeout
, sdev_store_timeout
);
438 store_rescan_field (struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
440 scsi_rescan_device(dev
);
443 static DEVICE_ATTR(rescan
, S_IWUSR
, NULL
, store_rescan_field
);
445 static ssize_t
sdev_store_delete(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
448 scsi_remove_device(to_scsi_device(dev
));
451 static DEVICE_ATTR(delete, S_IWUSR
, NULL
, sdev_store_delete
);
454 store_state_field(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
457 struct scsi_device
*sdev
= to_scsi_device(dev
);
458 enum scsi_device_state state
= 0;
460 for (i
= 0; i
< sizeof(sdev_states
)/sizeof(sdev_states
[0]); i
++) {
461 const int len
= strlen(sdev_states
[i
].name
);
462 if (strncmp(sdev_states
[i
].name
, buf
, len
) == 0 &&
464 state
= sdev_states
[i
].value
;
471 if (scsi_device_set_state(sdev
, state
))
477 show_state_field(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
479 struct scsi_device
*sdev
= to_scsi_device(dev
);
480 const char *name
= scsi_device_state_name(sdev
->sdev_state
);
485 return snprintf(buf
, 20, "%s\n", name
);
488 static DEVICE_ATTR(state
, S_IRUGO
| S_IWUSR
, show_state_field
, store_state_field
);
491 show_queue_type_field(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
493 struct scsi_device
*sdev
= to_scsi_device(dev
);
494 const char *name
= "none";
496 if (sdev
->ordered_tags
)
498 else if (sdev
->simple_tags
)
501 return snprintf(buf
, 20, "%s\n", name
);
504 static DEVICE_ATTR(queue_type
, S_IRUGO
, show_queue_type_field
, NULL
);
507 show_iostat_counterbits(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
509 return snprintf(buf
, 20, "%d\n", (int)sizeof(atomic_t
) * 8);
512 static DEVICE_ATTR(iocounterbits
, S_IRUGO
, show_iostat_counterbits
, NULL
);
514 #define show_sdev_iostat(field) \
516 show_iostat_##field(struct device *dev, struct device_attribute *attr, char *buf) \
518 struct scsi_device *sdev = to_scsi_device(dev); \
519 unsigned long long count = atomic_read(&sdev->field); \
520 return snprintf(buf, 20, "0x%llx\n", count); \
522 static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL)
524 show_sdev_iostat(iorequest_cnt
);
525 show_sdev_iostat(iodone_cnt
);
526 show_sdev_iostat(ioerr_cnt
);
529 /* Default template for device attributes. May NOT be modified */
530 static struct device_attribute
*scsi_sysfs_sdev_attrs
[] = {
531 &dev_attr_device_blocked
,
532 &dev_attr_queue_depth
,
533 &dev_attr_queue_type
,
535 &dev_attr_scsi_level
,
543 &dev_attr_iocounterbits
,
544 &dev_attr_iorequest_cnt
,
545 &dev_attr_iodone_cnt
,
550 static ssize_t
sdev_store_queue_depth_rw(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
554 struct scsi_device
*sdev
= to_scsi_device(dev
);
555 struct scsi_host_template
*sht
= sdev
->host
->hostt
;
557 if (!sht
->change_queue_depth
)
560 depth
= simple_strtoul(buf
, NULL
, 0);
565 retval
= sht
->change_queue_depth(sdev
, depth
);
572 static struct device_attribute sdev_attr_queue_depth_rw
=
573 __ATTR(queue_depth
, S_IRUGO
| S_IWUSR
, sdev_show_queue_depth
,
574 sdev_store_queue_depth_rw
);
576 static ssize_t
sdev_store_queue_type_rw(struct device
*dev
, struct device_attribute
*attr
, const char *buf
,
579 struct scsi_device
*sdev
= to_scsi_device(dev
);
580 struct scsi_host_template
*sht
= sdev
->host
->hostt
;
581 int tag_type
= 0, retval
;
582 int prev_tag_type
= scsi_get_tag_type(sdev
);
584 if (!sdev
->tagged_supported
|| !sht
->change_queue_type
)
587 if (strncmp(buf
, "ordered", 7) == 0)
588 tag_type
= MSG_ORDERED_TAG
;
589 else if (strncmp(buf
, "simple", 6) == 0)
590 tag_type
= MSG_SIMPLE_TAG
;
591 else if (strncmp(buf
, "none", 4) != 0)
594 if (tag_type
== prev_tag_type
)
597 retval
= sht
->change_queue_type(sdev
, tag_type
);
604 static struct device_attribute sdev_attr_queue_type_rw
=
605 __ATTR(queue_type
, S_IRUGO
| S_IWUSR
, show_queue_type_field
,
606 sdev_store_queue_type_rw
);
608 static struct device_attribute
*attr_changed_internally(
609 struct Scsi_Host
*shost
,
610 struct device_attribute
* attr
)
612 if (!strcmp("queue_depth", attr
->attr
.name
)
613 && shost
->hostt
->change_queue_depth
)
614 return &sdev_attr_queue_depth_rw
;
615 else if (!strcmp("queue_type", attr
->attr
.name
)
616 && shost
->hostt
->change_queue_type
)
617 return &sdev_attr_queue_type_rw
;
622 static struct device_attribute
*attr_overridden(
623 struct device_attribute
**attrs
,
624 struct device_attribute
*attr
)
630 for (i
= 0; attrs
[i
]; i
++)
631 if (!strcmp(attrs
[i
]->attr
.name
, attr
->attr
.name
))
636 static int attr_add(struct device
*dev
, struct device_attribute
*attr
)
638 struct device_attribute
*base_attr
;
641 * Spare the caller from having to copy things it's not interested in.
643 base_attr
= attr_overridden(scsi_sysfs_sdev_attrs
, attr
);
645 /* extend permissions */
646 attr
->attr
.mode
|= base_attr
->attr
.mode
;
648 /* override null show/store with default */
650 attr
->show
= base_attr
->show
;
652 attr
->store
= base_attr
->store
;
655 return device_create_file(dev
, attr
);
659 * scsi_sysfs_add_sdev - add scsi device to sysfs
660 * @sdev: scsi_device to add
663 * 0 on Success / non-zero on Failure
665 int scsi_sysfs_add_sdev(struct scsi_device
*sdev
)
669 if ((error
= scsi_device_set_state(sdev
, SDEV_RUNNING
)) != 0)
672 error
= device_add(&sdev
->sdev_gendev
);
674 put_device(sdev
->sdev_gendev
.parent
);
675 printk(KERN_INFO
"error 1\n");
678 error
= class_device_add(&sdev
->sdev_classdev
);
680 printk(KERN_INFO
"error 2\n");
684 /* take a reference for the sdev_classdev; this is
685 * released by the sdev_class .release */
686 get_device(&sdev
->sdev_gendev
);
687 if (sdev
->host
->hostt
->sdev_attrs
) {
688 for (i
= 0; sdev
->host
->hostt
->sdev_attrs
[i
]; i
++) {
689 error
= attr_add(&sdev
->sdev_gendev
,
690 sdev
->host
->hostt
->sdev_attrs
[i
]);
692 __scsi_remove_device(sdev
);
698 for (i
= 0; scsi_sysfs_sdev_attrs
[i
]; i
++) {
699 if (!attr_overridden(sdev
->host
->hostt
->sdev_attrs
,
700 scsi_sysfs_sdev_attrs
[i
])) {
701 struct device_attribute
* attr
=
702 attr_changed_internally(sdev
->host
,
703 scsi_sysfs_sdev_attrs
[i
]);
704 error
= device_create_file(&sdev
->sdev_gendev
, attr
);
706 __scsi_remove_device(sdev
);
712 transport_add_device(&sdev
->sdev_gendev
);
717 scsi_device_set_state(sdev
, SDEV_CANCEL
);
719 device_del(&sdev
->sdev_gendev
);
720 transport_destroy_device(&sdev
->sdev_gendev
);
721 put_device(&sdev
->sdev_gendev
);
726 void __scsi_remove_device(struct scsi_device
*sdev
)
728 struct device
*dev
= &sdev
->sdev_gendev
;
730 if (scsi_device_set_state(sdev
, SDEV_CANCEL
) != 0)
733 class_device_unregister(&sdev
->sdev_classdev
);
734 transport_remove_device(dev
);
736 scsi_device_set_state(sdev
, SDEV_DEL
);
737 if (sdev
->host
->hostt
->slave_destroy
)
738 sdev
->host
->hostt
->slave_destroy(sdev
);
739 transport_destroy_device(dev
);
744 * scsi_remove_device - unregister a device from the scsi bus
745 * @sdev: scsi_device to unregister
747 void scsi_remove_device(struct scsi_device
*sdev
)
749 struct Scsi_Host
*shost
= sdev
->host
;
751 mutex_lock(&shost
->scan_mutex
);
752 __scsi_remove_device(sdev
);
753 mutex_unlock(&shost
->scan_mutex
);
755 EXPORT_SYMBOL(scsi_remove_device
);
757 void __scsi_remove_target(struct scsi_target
*starget
)
759 struct Scsi_Host
*shost
= dev_to_shost(starget
->dev
.parent
);
761 struct scsi_device
*sdev
;
763 spin_lock_irqsave(shost
->host_lock
, flags
);
766 list_for_each_entry(sdev
, &shost
->__devices
, siblings
) {
767 if (sdev
->channel
!= starget
->channel
||
768 sdev
->id
!= starget
->id
||
769 sdev
->sdev_state
== SDEV_DEL
)
771 spin_unlock_irqrestore(shost
->host_lock
, flags
);
772 scsi_remove_device(sdev
);
773 spin_lock_irqsave(shost
->host_lock
, flags
);
776 spin_unlock_irqrestore(shost
->host_lock
, flags
);
777 scsi_target_reap(starget
);
780 static int __remove_child (struct device
* dev
, void * data
)
782 if (scsi_is_target_device(dev
))
783 __scsi_remove_target(to_scsi_target(dev
));
788 * scsi_remove_target - try to remove a target and all its devices
789 * @dev: generic starget or parent of generic stargets to be removed
791 * Note: This is slightly racy. It is possible that if the user
792 * requests the addition of another device then the target won't be
795 void scsi_remove_target(struct device
*dev
)
799 if (scsi_is_target_device(dev
)) {
800 __scsi_remove_target(to_scsi_target(dev
));
804 rdev
= get_device(dev
);
805 device_for_each_child(dev
, NULL
, __remove_child
);
808 EXPORT_SYMBOL(scsi_remove_target
);
810 int scsi_register_driver(struct device_driver
*drv
)
812 drv
->bus
= &scsi_bus_type
;
814 return driver_register(drv
);
816 EXPORT_SYMBOL(scsi_register_driver
);
818 int scsi_register_interface(struct class_interface
*intf
)
820 intf
->class = &sdev_class
;
822 return class_interface_register(intf
);
824 EXPORT_SYMBOL(scsi_register_interface
);
827 static struct class_device_attribute
*class_attr_overridden(
828 struct class_device_attribute
**attrs
,
829 struct class_device_attribute
*attr
)
835 for (i
= 0; attrs
[i
]; i
++)
836 if (!strcmp(attrs
[i
]->attr
.name
, attr
->attr
.name
))
841 static int class_attr_add(struct class_device
*classdev
,
842 struct class_device_attribute
*attr
)
844 struct class_device_attribute
*base_attr
;
847 * Spare the caller from having to copy things it's not interested in.
849 base_attr
= class_attr_overridden(scsi_sysfs_shost_attrs
, attr
);
851 /* extend permissions */
852 attr
->attr
.mode
|= base_attr
->attr
.mode
;
854 /* override null show/store with default */
856 attr
->show
= base_attr
->show
;
858 attr
->store
= base_attr
->store
;
861 return class_device_create_file(classdev
, attr
);
865 * scsi_sysfs_add_host - add scsi host to subsystem
866 * @shost: scsi host struct to add to subsystem
867 * @dev: parent struct device pointer
869 int scsi_sysfs_add_host(struct Scsi_Host
*shost
)
873 if (shost
->hostt
->shost_attrs
) {
874 for (i
= 0; shost
->hostt
->shost_attrs
[i
]; i
++) {
875 error
= class_attr_add(&shost
->shost_classdev
,
876 shost
->hostt
->shost_attrs
[i
]);
882 for (i
= 0; scsi_sysfs_shost_attrs
[i
]; i
++) {
883 if (!class_attr_overridden(shost
->hostt
->shost_attrs
,
884 scsi_sysfs_shost_attrs
[i
])) {
885 error
= class_device_create_file(&shost
->shost_classdev
,
886 scsi_sysfs_shost_attrs
[i
]);
892 transport_register_device(&shost
->shost_gendev
);
896 void scsi_sysfs_device_initialize(struct scsi_device
*sdev
)
899 struct Scsi_Host
*shost
= sdev
->host
;
900 struct scsi_target
*starget
= sdev
->sdev_target
;
902 device_initialize(&sdev
->sdev_gendev
);
903 sdev
->sdev_gendev
.bus
= &scsi_bus_type
;
904 sdev
->sdev_gendev
.release
= scsi_device_dev_release
;
905 sprintf(sdev
->sdev_gendev
.bus_id
,"%d:%d:%d:%d",
906 sdev
->host
->host_no
, sdev
->channel
, sdev
->id
,
909 class_device_initialize(&sdev
->sdev_classdev
);
910 sdev
->sdev_classdev
.dev
= &sdev
->sdev_gendev
;
911 sdev
->sdev_classdev
.class = &sdev_class
;
912 snprintf(sdev
->sdev_classdev
.class_id
, BUS_ID_SIZE
,
913 "%d:%d:%d:%d", sdev
->host
->host_no
,
914 sdev
->channel
, sdev
->id
, sdev
->lun
);
915 sdev
->scsi_level
= SCSI_2
;
916 transport_setup_device(&sdev
->sdev_gendev
);
917 spin_lock_irqsave(shost
->host_lock
, flags
);
918 list_add_tail(&sdev
->same_target_siblings
, &starget
->devices
);
919 list_add_tail(&sdev
->siblings
, &shost
->__devices
);
920 spin_unlock_irqrestore(shost
->host_lock
, flags
);
923 int scsi_is_sdev_device(const struct device
*dev
)
925 return dev
->release
== scsi_device_dev_release
;
927 EXPORT_SYMBOL(scsi_is_sdev_device
);
929 /* A blank transport template that is used in drivers that don't
930 * yet implement Transport Attributes */
931 struct scsi_transport_template blank_transport_template
= { { { {NULL
, }, }, }, };