Lines Matching +full:d +full:- +full:phy
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2005-2006 Dell Inc.
13 * introduces two additional intermediate objects: The SAS PHY
14 * as represented by struct sas_phy defines an "outgoing" PHY on
15 * a SAS HBA or Expander, and the SAS remote PHY represented by
16 * struct sas_rphy defines an "incoming" PHY on a SAS Expander or
18 * underlying hardware for a PHY and a remote PHY is the exactly
53 #define to_sas_host_attrs(host) ((struct sas_host_attrs *)(host)->shost_data)
102 return -EINVAL; \
151 { SAS_PHY_DISABLED, "Phy disabled" },
153 { SAS_SATA_SPINUP_HOLD, "Spin-up hold" },
165 struct sas_rphy *rphy = target_to_rphy(sdev->sdev_target); in sas_bitfield_name_search()
168 BUG_ON(rphy->identify.device_type != SAS_END_DEVICE); in sas_bitfield_name_search()
176 struct Scsi_Host *shost = dev_to_shost(job->dev); in sas_smp_dispatch()
179 if (!scsi_is_host_device(job->dev)) in sas_smp_dispatch()
180 rphy = dev_to_rphy(job->dev); in sas_smp_dispatch()
182 if (!job->reply_payload.payload_len) { in sas_smp_dispatch()
183 dev_warn(job->dev, "space for a smp response is missing\n"); in sas_smp_dispatch()
184 bsg_job_done(job, -EINVAL, 0); in sas_smp_dispatch()
188 to_sas_internal(shost->transportt)->f->smp_handler(job, shost, rphy); in sas_smp_dispatch()
196 if (!to_sas_internal(shost->transportt)->f->smp_handler) { in sas_bsg_initialize()
197 printk("%s can't handle SMP requests\n", shost->hostt->name); in sas_bsg_initialize()
202 q = bsg_setup_queue(&rphy->dev, dev_name(&rphy->dev), NULL, in sas_bsg_initialize()
206 rphy->q = q; in sas_bsg_initialize()
210 snprintf(name, sizeof(name), "sas_host%d", shost->host_no); in sas_bsg_initialize()
211 q = bsg_setup_queue(&shost->shost_gendev, name, NULL, in sas_bsg_initialize()
215 to_sas_host_attrs(shost)->q = q; in sas_bsg_initialize()
230 struct device *dma_dev = shost->dma_dev; in sas_host_setup()
232 INIT_LIST_HEAD(&sas_host->rphy_list); in sas_host_setup()
233 mutex_init(&sas_host->lock); in sas_host_setup()
234 sas_host->next_target_id = 0; in sas_host_setup()
235 sas_host->next_expander_id = 0; in sas_host_setup()
236 sas_host->next_port_id = 0; in sas_host_setup()
239 dev_printk(KERN_ERR, dev, "fail to a bsg device %d\n", in sas_host_setup()
240 shost->host_no); in sas_host_setup()
242 if (dma_dev->dma_mask) { in sas_host_setup()
243 shost->opt_sectors = min_t(unsigned int, shost->max_sectors, in sas_host_setup()
254 struct request_queue *q = to_sas_host_attrs(shost)->q; in sas_host_remove()
273 if (!shost->transportt) in sas_host_match()
275 if (shost->transportt->host_attrs.ac.class != in sas_host_match()
279 i = to_sas_internal(shost->transportt); in sas_host_match()
280 return &i->t.host_attrs.ac == cont; in sas_host_match()
295 * sas_remove_children - tear down a devices SAS data structures
308 * sas_remove_host - tear down a Scsi_Host's SAS data structures
319 sas_remove_children(&shost->shost_gendev); in sas_remove_host()
325 * sas_get_address - return the SAS address of the device
334 return rdev->rphy.identify.sas_address; in sas_get_address()
339 * sas_tlr_supported - checking TLR bit in vpd 0x90
370 rdev->tlr_supported = ret; in sas_tlr_supported()
377 * sas_disable_tlr - setting TLR flags
388 rdev->tlr_enabled = 0; in sas_disable_tlr()
393 * sas_enable_tlr - setting TLR flags
407 rdev->tlr_enabled = 1; in sas_enable_tlr()
417 return rdev->tlr_enabled; in sas_is_tlr_enabled()
422 * sas_ata_ncq_prio_supported - Check for ATA NCQ command priority support
435 vpd = rcu_dereference(sdev->vpd_pg89); in sas_ata_ncq_prio_supported()
436 if (vpd && vpd->len >= 214) in sas_ata_ncq_prio_supported()
437 ncq_prio_supported = (vpd->data[213] >> 4) & 1; in sas_ata_ncq_prio_supported()
445 * SAS Phy attributes
453 struct sas_phy *phy = transport_class_to_phy(dev); \
455 return snprintf(buf, 20, format_string, cast phy->field); \
467 struct sas_phy *phy = transport_class_to_phy(dev); \
469 if (!phy->field) \
471 return get_sas_protocol_names(phy->field, buf); \
483 struct sas_phy *phy = transport_class_to_phy(dev); \
485 return get_sas_linkspeed_names(phy->field, buf); \
495 struct sas_phy *phy = transport_class_to_phy(dev); \
496 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); \
497 struct sas_internal *i = to_sas_internal(shost->transportt); \
506 error = i->f->set_phy_speed(phy, &rates); \
527 struct sas_phy *phy = transport_class_to_phy(dev); \
528 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); \
529 struct sas_internal *i = to_sas_internal(shost->transportt); \
532 error = i->f->get_linkerrors ? i->f->get_linkerrors(phy) : 0; \
535 return snprintf(buf, 20, "%u\n", phy->field); \
547 struct sas_phy *phy = transport_class_to_phy(dev); in show_sas_device_type() local
549 if (!phy->identify.device_type) in show_sas_device_type()
551 return get_sas_device_type_names(phy->identify.device_type, buf); in show_sas_device_type()
558 struct sas_phy *phy = transport_class_to_phy(dev); in do_sas_phy_enable() local
559 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); in do_sas_phy_enable()
560 struct sas_internal *i = to_sas_internal(shost->transportt); in do_sas_phy_enable()
563 error = i->f->phy_enable(phy, enable); in do_sas_phy_enable()
566 phy->enabled = enable; in do_sas_phy_enable()
575 return -EINVAL; in store_sas_phy_enable()
585 return -EINVAL; in store_sas_phy_enable()
595 struct sas_phy *phy = transport_class_to_phy(dev); in show_sas_phy_enable() local
597 return snprintf(buf, 20, "%d\n", phy->enabled); in show_sas_phy_enable()
606 struct sas_phy *phy = transport_class_to_phy(dev); in do_sas_phy_reset() local
607 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); in do_sas_phy_reset()
608 struct sas_internal *i = to_sas_internal(shost->transportt); in do_sas_phy_reset()
611 error = i->f->phy_reset(phy, hard_reset); in do_sas_phy_reset()
614 phy->enabled = 1; in do_sas_phy_reset()
640 sas_phy_simple_attr(identify.phy_identifier, phy_identifier, "%d\n", u8);
654 struct sas_phy *phy = dev_to_phy(dev); in sas_phy_setup() local
655 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); in sas_phy_setup()
656 struct sas_internal *i = to_sas_internal(shost->transportt); in sas_phy_setup()
658 if (i->f->phy_setup) in sas_phy_setup()
659 i->f->phy_setup(phy); in sas_phy_setup()
674 shost = dev_to_shost(dev->parent); in sas_phy_match()
676 if (!shost->transportt) in sas_phy_match()
678 if (shost->transportt->host_attrs.ac.class != in sas_phy_match()
682 i = to_sas_internal(shost->transportt); in sas_phy_match()
683 return &i->phy_attr_cont.ac == cont; in sas_phy_match()
688 struct sas_phy *phy = dev_to_phy(dev); in sas_phy_release() local
689 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); in sas_phy_release()
690 struct sas_internal *i = to_sas_internal(shost->transportt); in sas_phy_release()
692 if (i->f->phy_release) in sas_phy_release()
693 i->f->phy_release(phy); in sas_phy_release()
694 put_device(dev->parent); in sas_phy_release()
695 kfree(phy); in sas_phy_release()
699 * sas_phy_alloc - allocates and initialize a SAS PHY structure
701 * @number: Phy index
703 * Allocates an SAS PHY structure. It will be added in the device tree
708 * SAS PHY allocated or %NULL if the allocation failed.
713 struct sas_phy *phy; in sas_phy_alloc() local
715 phy = kzalloc(sizeof(*phy), GFP_KERNEL); in sas_phy_alloc()
716 if (!phy) in sas_phy_alloc()
719 phy->number = number; in sas_phy_alloc()
720 phy->enabled = 1; in sas_phy_alloc()
722 device_initialize(&phy->dev); in sas_phy_alloc()
723 phy->dev.parent = get_device(parent); in sas_phy_alloc()
724 phy->dev.release = sas_phy_release; in sas_phy_alloc()
725 INIT_LIST_HEAD(&phy->port_siblings); in sas_phy_alloc()
728 dev_set_name(&phy->dev, "phy-%d:%d:%d", shost->host_no, in sas_phy_alloc()
729 rphy->scsi_target_id, number); in sas_phy_alloc()
731 dev_set_name(&phy->dev, "phy-%d:%d", shost->host_no, number); in sas_phy_alloc()
733 transport_setup_device(&phy->dev); in sas_phy_alloc()
735 return phy; in sas_phy_alloc()
740 * sas_phy_add - add a SAS PHY to the device hierarchy
741 * @phy: The PHY to be added
743 * Publishes a SAS PHY to the rest of the system.
745 int sas_phy_add(struct sas_phy *phy) in sas_phy_add() argument
749 error = device_add(&phy->dev); in sas_phy_add()
753 error = transport_add_device(&phy->dev); in sas_phy_add()
755 device_del(&phy->dev); in sas_phy_add()
758 transport_configure_device(&phy->dev); in sas_phy_add()
765 * sas_phy_free - free a SAS PHY
766 * @phy: SAS PHY to free
768 * Frees the specified SAS PHY.
771 * This function must only be called on a PHY that has not
774 void sas_phy_free(struct sas_phy *phy) in sas_phy_free() argument
776 transport_destroy_device(&phy->dev); in sas_phy_free()
777 put_device(&phy->dev); in sas_phy_free()
782 * sas_phy_delete - remove SAS PHY
783 * @phy: SAS PHY to remove
785 * Removes the specified SAS PHY. If the SAS PHY has an
786 * associated remote PHY it is removed before.
789 sas_phy_delete(struct sas_phy *phy) in sas_phy_delete() argument
791 struct device *dev = &phy->dev; in sas_phy_delete()
793 /* this happens if the phy is still part of a port when deleted */ in sas_phy_delete()
794 BUG_ON(!list_empty(&phy->port_siblings)); in sas_phy_delete()
804 * scsi_is_sas_phy - check if a struct device represents a SAS PHY
808 * %1 if the device represents a SAS PHY, %0 else
812 return dev->release == sas_phy_release; in scsi_is_sas_phy()
826 return snprintf(buf, 20, format_string, cast port->field); \
833 sas_port_simple_attr(num_phys, num_phys, "%d\n", int);
845 shost = dev_to_shost(dev->parent); in sas_port_match()
847 if (!shost->transportt) in sas_port_match()
849 if (shost->transportt->host_attrs.ac.class != in sas_port_match()
853 i = to_sas_internal(shost->transportt); in sas_port_match()
854 return &i->port_attr_cont.ac == cont; in sas_port_match()
862 BUG_ON(!list_empty(&port->phy_list)); in sas_port_release()
864 put_device(dev->parent); in sas_port_release()
869 struct sas_phy *phy) in sas_port_create_link() argument
873 res = sysfs_create_link(&port->dev.kobj, &phy->dev.kobj, in sas_port_create_link()
874 dev_name(&phy->dev)); in sas_port_create_link()
877 res = sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port"); in sas_port_create_link()
882 printk(KERN_ERR "%s: Cannot create port links, err=%d\n", in sas_port_create_link()
887 struct sas_phy *phy) in sas_port_delete_link() argument
889 sysfs_remove_link(&port->dev.kobj, dev_name(&phy->dev)); in sas_port_delete_link()
890 sysfs_remove_link(&phy->dev.kobj, "port"); in sas_port_delete_link()
894 * sas_port_alloc - allocate and initialize a SAS port structure
914 port->port_identifier = port_id; in sas_port_alloc()
916 device_initialize(&port->dev); in sas_port_alloc()
918 port->dev.parent = get_device(parent); in sas_port_alloc()
919 port->dev.release = sas_port_release; in sas_port_alloc()
921 mutex_init(&port->phy_list_mutex); in sas_port_alloc()
922 INIT_LIST_HEAD(&port->phy_list); in sas_port_alloc()
926 dev_set_name(&port->dev, "port-%d:%d:%d", shost->host_no, in sas_port_alloc()
927 rphy->scsi_target_id, port->port_identifier); in sas_port_alloc()
929 dev_set_name(&port->dev, "port-%d:%d", shost->host_no, in sas_port_alloc()
930 port->port_identifier); in sas_port_alloc()
932 transport_setup_device(&port->dev); in sas_port_alloc()
939 * sas_port_alloc_num - allocate and initialize a SAS port structure
958 mutex_lock(&sas_host->lock); in sas_port_alloc_num()
963 index = exp->next_port_id++; in sas_port_alloc_num()
965 index = sas_host->next_port_id++; in sas_port_alloc_num()
966 mutex_unlock(&sas_host->lock); in sas_port_alloc_num()
972 * sas_port_add - add a SAS port to the device hierarchy
982 BUG_ON(!list_empty(&port->phy_list)); in sas_port_add()
984 error = device_add(&port->dev); in sas_port_add()
989 transport_add_device(&port->dev); in sas_port_add()
990 transport_configure_device(&port->dev); in sas_port_add()
997 * sas_port_free - free a SAS PORT
1008 transport_destroy_device(&port->dev); in sas_port_free()
1009 put_device(&port->dev); in sas_port_free()
1014 * sas_port_delete - remove SAS PORT
1022 struct device *dev = &port->dev; in sas_port_delete()
1023 struct sas_phy *phy, *tmp_phy; in sas_port_delete() local
1025 if (port->rphy) { in sas_port_delete()
1026 sas_rphy_delete(port->rphy); in sas_port_delete()
1027 port->rphy = NULL; in sas_port_delete()
1030 mutex_lock(&port->phy_list_mutex); in sas_port_delete()
1031 list_for_each_entry_safe(phy, tmp_phy, &port->phy_list, in sas_port_delete()
1033 sas_port_delete_link(port, phy); in sas_port_delete()
1034 list_del_init(&phy->port_siblings); in sas_port_delete()
1036 mutex_unlock(&port->phy_list_mutex); in sas_port_delete()
1038 if (port->is_backlink) { in sas_port_delete()
1039 struct device *parent = port->dev.parent; in sas_port_delete()
1041 sysfs_remove_link(&port->dev.kobj, dev_name(parent)); in sas_port_delete()
1042 port->is_backlink = 0; in sas_port_delete()
1053 * scsi_is_sas_port - check if a struct device represents a SAS port
1061 return dev->release == sas_port_release; in scsi_is_sas_port()
1066 * sas_port_get_phy - try to take a reference on a port member
1071 struct sas_phy *phy; in sas_port_get_phy() local
1073 mutex_lock(&port->phy_list_mutex); in sas_port_get_phy()
1074 if (list_empty(&port->phy_list)) in sas_port_get_phy()
1075 phy = NULL; in sas_port_get_phy()
1077 struct list_head *ent = port->phy_list.next; in sas_port_get_phy()
1079 phy = list_entry(ent, typeof(*phy), port_siblings); in sas_port_get_phy()
1080 get_device(&phy->dev); in sas_port_get_phy()
1082 mutex_unlock(&port->phy_list_mutex); in sas_port_get_phy()
1084 return phy; in sas_port_get_phy()
1089 * sas_port_add_phy - add another phy to a port to form a wide port
1090 * @port: port to add the phy to
1091 * @phy: phy to add
1094 * ports must have at least one phy to operated, and all wide ports
1100 void sas_port_add_phy(struct sas_port *port, struct sas_phy *phy) in sas_port_add_phy() argument
1102 mutex_lock(&port->phy_list_mutex); in sas_port_add_phy()
1103 if (unlikely(!list_empty(&phy->port_siblings))) { in sas_port_add_phy()
1107 list_for_each_entry(tmp, &port->phy_list, port_siblings) in sas_port_add_phy()
1108 if (tmp == phy) in sas_port_add_phy()
1110 /* If this trips, you added a phy that was already in sas_port_add_phy()
1112 if (unlikely(tmp != phy)) { in sas_port_add_phy()
1113 …dev_printk(KERN_ERR, &port->dev, "trying to add phy %s fails: it's already part of another port\n", in sas_port_add_phy()
1114 dev_name(&phy->dev)); in sas_port_add_phy()
1118 sas_port_create_link(port, phy); in sas_port_add_phy()
1119 list_add_tail(&phy->port_siblings, &port->phy_list); in sas_port_add_phy()
1120 port->num_phys++; in sas_port_add_phy()
1122 mutex_unlock(&port->phy_list_mutex); in sas_port_add_phy()
1127 * sas_port_delete_phy - remove a phy from a port or wide port
1128 * @port: port to remove the phy from
1129 * @phy: phy to remove
1134 void sas_port_delete_phy(struct sas_port *port, struct sas_phy *phy) in sas_port_delete_phy() argument
1136 mutex_lock(&port->phy_list_mutex); in sas_port_delete_phy()
1137 sas_port_delete_link(port, phy); in sas_port_delete_phy()
1138 list_del_init(&phy->port_siblings); in sas_port_delete_phy()
1139 port->num_phys--; in sas_port_delete_phy()
1140 mutex_unlock(&port->phy_list_mutex); in sas_port_delete_phy()
1147 struct device *parent = port->dev.parent->parent->parent; in sas_port_mark_backlink()
1149 if (port->is_backlink) in sas_port_mark_backlink()
1151 port->is_backlink = 1; in sas_port_mark_backlink()
1152 res = sysfs_create_link(&port->dev.kobj, &parent->kobj, in sas_port_mark_backlink()
1158 printk(KERN_ERR "%s: Cannot create port backlink, err=%d\n", in sas_port_mark_backlink()
1165 * SAS remote PHY attributes.
1175 return snprintf(buf, 20, format_string, cast rphy->field); \
1190 if (!rphy->field) \
1192 return get_sas_protocol_names(rphy->field, buf); \
1206 if (!rphy->identify.device_type) in show_sas_rphy_device_type()
1209 rphy->identify.device_type, buf); in show_sas_rphy_device_type()
1220 struct sas_phy *phy = dev_to_phy(rphy->dev.parent); in show_sas_rphy_enclosure_identifier() local
1221 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); in show_sas_rphy_enclosure_identifier()
1222 struct sas_internal *i = to_sas_internal(shost->transportt); in show_sas_rphy_enclosure_identifier()
1226 error = i->f->get_enclosure_identifier(rphy, &identifier); in show_sas_rphy_enclosure_identifier()
1240 struct sas_phy *phy = dev_to_phy(rphy->dev.parent); in show_sas_rphy_bay_identifier() local
1241 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); in show_sas_rphy_bay_identifier()
1242 struct sas_internal *i = to_sas_internal(shost->transportt); in show_sas_rphy_bay_identifier()
1245 val = i->f->get_bay_identifier(rphy); in show_sas_rphy_bay_identifier()
1248 return sprintf(buf, "%d\n", val); in show_sas_rphy_bay_identifier()
1259 sas_rphy_simple_attr(identify.phy_identifier, phy_identifier, "%d\n", u8);
1260 sas_rphy_simple_attr(scsi_target_id, scsi_target_id, "%d\n", u32);
1273 return -ENOMEM; in sas_read_port_mode_page()
1284 if (msdata - buffer > BUF_SIZE - 8) in sas_read_port_mode_page()
1289 rdev->ready_led_meaning = msdata[2] & 0x10 ? 1 : 0; in sas_read_port_mode_page()
1290 rdev->I_T_nexus_loss_timeout = (msdata[4] << 8) + msdata[5]; in sas_read_port_mode_page()
1291 rdev->initiator_response_timeout = (msdata[6] << 8) + msdata[7]; in sas_read_port_mode_page()
1310 return snprintf(buf, 20, format_string, cast rdev->field); \
1318 sas_end_dev_simple_attr(ready_led_meaning, ready_led_meaning, "%d\n", int);
1320 "%d\n", int);
1322 "%d\n", int);
1324 "%d\n", int);
1326 "%d\n", int);
1339 return snprintf(buf, 20, format_string, cast edev->field); \
1355 sas_expander_simple_attr(level, level, "%d\n", int);
1367 shost = dev_to_shost(dev->parent->parent); in sas_rphy_match()
1369 if (!shost->transportt) in sas_rphy_match()
1371 if (shost->transportt->host_attrs.ac.class != in sas_rphy_match()
1375 i = to_sas_internal(shost->transportt); in sas_rphy_match()
1376 return &i->rphy_attr_cont.ac == cont; in sas_rphy_match()
1388 shost = dev_to_shost(dev->parent->parent); in sas_end_dev_match()
1391 if (!shost->transportt) in sas_end_dev_match()
1393 if (shost->transportt->host_attrs.ac.class != in sas_end_dev_match()
1397 i = to_sas_internal(shost->transportt); in sas_end_dev_match()
1398 return &i->end_dev_attr_cont.ac == cont && in sas_end_dev_match()
1399 rphy->identify.device_type == SAS_END_DEVICE; in sas_end_dev_match()
1411 shost = dev_to_shost(dev->parent->parent); in sas_expander_match()
1414 if (!shost->transportt) in sas_expander_match()
1416 if (shost->transportt->host_attrs.ac.class != in sas_expander_match()
1420 i = to_sas_internal(shost->transportt); in sas_expander_match()
1421 return &i->expander_attr_cont.ac == cont && in sas_expander_match()
1422 (rphy->identify.device_type == SAS_EDGE_EXPANDER_DEVICE || in sas_expander_match()
1423 rphy->identify.device_type == SAS_FANOUT_EXPANDER_DEVICE); in sas_expander_match()
1431 put_device(dev->parent); in sas_expander_release()
1440 put_device(dev->parent); in sas_end_device_release()
1445 * sas_rphy_initialize - common rphy initialization
1453 INIT_LIST_HEAD(&rphy->list); in sas_rphy_initialize()
1457 * sas_end_device_alloc - allocate an rphy for an end device
1460 * Allocates an SAS remote PHY structure, connected to @parent.
1463 * SAS PHY allocated or %NULL if the allocation failed.
1467 struct Scsi_Host *shost = dev_to_shost(&parent->dev); in sas_end_device_alloc()
1475 device_initialize(&rdev->rphy.dev); in sas_end_device_alloc()
1476 rdev->rphy.dev.parent = get_device(&parent->dev); in sas_end_device_alloc()
1477 rdev->rphy.dev.release = sas_end_device_release; in sas_end_device_alloc()
1478 if (scsi_is_sas_expander_device(parent->dev.parent)) { in sas_end_device_alloc()
1479 struct sas_rphy *rphy = dev_to_rphy(parent->dev.parent); in sas_end_device_alloc()
1480 dev_set_name(&rdev->rphy.dev, "end_device-%d:%d:%d", in sas_end_device_alloc()
1481 shost->host_no, rphy->scsi_target_id, in sas_end_device_alloc()
1482 parent->port_identifier); in sas_end_device_alloc()
1484 dev_set_name(&rdev->rphy.dev, "end_device-%d:%d", in sas_end_device_alloc()
1485 shost->host_no, parent->port_identifier); in sas_end_device_alloc()
1486 rdev->rphy.identify.device_type = SAS_END_DEVICE; in sas_end_device_alloc()
1487 sas_rphy_initialize(&rdev->rphy); in sas_end_device_alloc()
1488 transport_setup_device(&rdev->rphy.dev); in sas_end_device_alloc()
1490 return &rdev->rphy; in sas_end_device_alloc()
1495 * sas_expander_alloc - allocate an rphy for an end device
1499 * Allocates an SAS remote PHY structure, connected to @parent.
1502 * SAS PHY allocated or %NULL if the allocation failed.
1507 struct Scsi_Host *shost = dev_to_shost(&parent->dev); in sas_expander_alloc()
1519 device_initialize(&rdev->rphy.dev); in sas_expander_alloc()
1520 rdev->rphy.dev.parent = get_device(&parent->dev); in sas_expander_alloc()
1521 rdev->rphy.dev.release = sas_expander_release; in sas_expander_alloc()
1522 mutex_lock(&sas_host->lock); in sas_expander_alloc()
1523 rdev->rphy.scsi_target_id = sas_host->next_expander_id++; in sas_expander_alloc()
1524 mutex_unlock(&sas_host->lock); in sas_expander_alloc()
1525 dev_set_name(&rdev->rphy.dev, "expander-%d:%d", in sas_expander_alloc()
1526 shost->host_no, rdev->rphy.scsi_target_id); in sas_expander_alloc()
1527 rdev->rphy.identify.device_type = type; in sas_expander_alloc()
1528 sas_rphy_initialize(&rdev->rphy); in sas_expander_alloc()
1529 transport_setup_device(&rdev->rphy.dev); in sas_expander_alloc()
1531 return &rdev->rphy; in sas_expander_alloc()
1536 * sas_rphy_add - add a SAS remote PHY to the device hierarchy
1537 * @rphy: The remote PHY to be added
1539 * Publishes a SAS remote PHY to the rest of the system.
1543 struct sas_port *parent = dev_to_sas_port(rphy->dev.parent); in sas_rphy_add()
1544 struct Scsi_Host *shost = dev_to_shost(parent->dev.parent); in sas_rphy_add()
1546 struct sas_identify *identify = &rphy->identify; in sas_rphy_add()
1549 if (parent->rphy) in sas_rphy_add()
1550 return -ENXIO; in sas_rphy_add()
1551 parent->rphy = rphy; in sas_rphy_add()
1553 error = device_add(&rphy->dev); in sas_rphy_add()
1556 transport_add_device(&rphy->dev); in sas_rphy_add()
1557 transport_configure_device(&rphy->dev); in sas_rphy_add()
1559 printk("fail to a bsg device %s\n", dev_name(&rphy->dev)); in sas_rphy_add()
1562 mutex_lock(&sas_host->lock); in sas_rphy_add()
1563 list_add_tail(&rphy->list, &sas_host->rphy_list); in sas_rphy_add()
1564 if (identify->device_type == SAS_END_DEVICE && in sas_rphy_add()
1565 (identify->target_port_protocols & in sas_rphy_add()
1567 rphy->scsi_target_id = sas_host->next_target_id++; in sas_rphy_add()
1568 else if (identify->device_type == SAS_END_DEVICE) in sas_rphy_add()
1569 rphy->scsi_target_id = -1; in sas_rphy_add()
1570 mutex_unlock(&sas_host->lock); in sas_rphy_add()
1572 if (identify->device_type == SAS_END_DEVICE && in sas_rphy_add()
1573 rphy->scsi_target_id != -1) { in sas_rphy_add()
1576 if (identify->target_port_protocols & SAS_PROTOCOL_SSP) in sas_rphy_add()
1581 scsi_scan_target(&rphy->dev, 0, rphy->scsi_target_id, lun, in sas_rphy_add()
1590 * sas_rphy_free - free a SAS remote PHY
1591 * @rphy: SAS remote PHY to free
1593 * Frees the specified SAS remote PHY.
1597 * PHY that has not successfully been added using
1598 * sas_rphy_add() (or has been sas_rphy_remove()'d)
1602 struct device *dev = &rphy->dev; in sas_rphy_free()
1603 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); in sas_rphy_free()
1606 mutex_lock(&sas_host->lock); in sas_rphy_free()
1607 list_del(&rphy->list); in sas_rphy_free()
1608 mutex_unlock(&sas_host->lock); in sas_rphy_free()
1617 * sas_rphy_delete - remove and free SAS remote PHY
1618 * @rphy: SAS remote PHY to remove and free
1620 * Removes the specified SAS remote PHY and frees it.
1631 * sas_rphy_unlink - unlink SAS remote PHY
1632 * @rphy: SAS remote phy to unlink from its parent port
1638 struct sas_port *parent = dev_to_sas_port(rphy->dev.parent); in sas_rphy_unlink()
1640 parent->rphy = NULL; in sas_rphy_unlink()
1645 * sas_rphy_remove - remove SAS remote PHY
1646 * @rphy: SAS remote phy to remove
1648 * Removes the specified SAS remote PHY.
1653 struct device *dev = &rphy->dev; in sas_rphy_remove()
1655 switch (rphy->identify.device_type) { in sas_rphy_remove()
1668 bsg_remove_queue(rphy->q); in sas_rphy_remove()
1675 * scsi_is_sas_rphy - check if a struct device represents a SAS remote PHY
1679 * %1 if the device represents a SAS remote PHY, %0 else
1683 return dev->release == sas_end_device_release || in scsi_is_sas_rphy()
1684 dev->release == sas_expander_release; in scsi_is_sas_rphy()
1693 list_for_each_entry(rphy, &sas_host->rphy_list, list) { in scan_channel_zero()
1694 if (rphy->identify.device_type != SAS_END_DEVICE || in scan_channel_zero()
1695 rphy->scsi_target_id == -1) in scan_channel_zero()
1698 if (id == SCAN_WILD_CARD || id == rphy->scsi_target_id) { in scan_channel_zero()
1699 scsi_scan_target(&rphy->dev, 0, rphy->scsi_target_id, in scan_channel_zero()
1718 mutex_lock(&sas_host->lock); in sas_user_scan()
1720 mutex_unlock(&sas_host->lock); in sas_user_scan()
1724 mutex_lock(&sas_host->lock); in sas_user_scan()
1726 mutex_unlock(&sas_host->lock); in sas_user_scan()
1728 for (i = 1; i <= shost->max_channel; i++) { in sas_user_scan()
1737 if (channel < shost->max_channel) { in sas_user_scan()
1741 res = -EINVAL; in sas_user_scan()
1756 i->private_##attrb[count] = dev_attr_##field; \
1757 i->private_##attrb[count].attr.mode = perm; \
1758 i->attrb[count] = &i->private_##attrb[count]; \
1763 i->private_##attrb[count] = dev_attr_##field; \
1764 i->private_##attrb[count].attr.mode = perm; \
1766 i->private_##attrb[count].attr.mode = ro_perm; \
1767 i->private_##attrb[count].store = NULL; \
1769 i->attrb[count] = &i->private_##attrb[count]; \
1777 SETUP_TEMPLATE(rphy_attrs, field, S_IRUGO, i->f->func)
1784 !i->f->set_phy_speed, S_IRUGO)
1788 !i->f->func, S_IRUGO)
1794 SETUP_TEMPLATE(phy_attrs, field, S_IRUGO, i->f->func)
1800 SETUP_TEMPLATE(phy_attrs, field, S_IWUSR, i->f->func)
1809 * sas_attach_transport - instantiate SAS transport template
1822 i->t.user_scan = sas_user_scan; in sas_attach_transport()
1824 i->t.host_attrs.ac.attrs = &i->host_attrs[0]; in sas_attach_transport()
1825 i->t.host_attrs.ac.class = &sas_host_class.class; in sas_attach_transport()
1826 i->t.host_attrs.ac.match = sas_host_match; in sas_attach_transport()
1827 transport_container_register(&i->t.host_attrs); in sas_attach_transport()
1828 i->t.host_size = sizeof(struct sas_host_attrs); in sas_attach_transport()
1830 i->phy_attr_cont.ac.class = &sas_phy_class.class; in sas_attach_transport()
1831 i->phy_attr_cont.ac.attrs = &i->phy_attrs[0]; in sas_attach_transport()
1832 i->phy_attr_cont.ac.match = sas_phy_match; in sas_attach_transport()
1833 transport_container_register(&i->phy_attr_cont); in sas_attach_transport()
1835 i->port_attr_cont.ac.class = &sas_port_class.class; in sas_attach_transport()
1836 i->port_attr_cont.ac.attrs = &i->port_attrs[0]; in sas_attach_transport()
1837 i->port_attr_cont.ac.match = sas_port_match; in sas_attach_transport()
1838 transport_container_register(&i->port_attr_cont); in sas_attach_transport()
1840 i->rphy_attr_cont.ac.class = &sas_rphy_class.class; in sas_attach_transport()
1841 i->rphy_attr_cont.ac.attrs = &i->rphy_attrs[0]; in sas_attach_transport()
1842 i->rphy_attr_cont.ac.match = sas_rphy_match; in sas_attach_transport()
1843 transport_container_register(&i->rphy_attr_cont); in sas_attach_transport()
1845 i->end_dev_attr_cont.ac.class = &sas_end_dev_class.class; in sas_attach_transport()
1846 i->end_dev_attr_cont.ac.attrs = &i->end_dev_attrs[0]; in sas_attach_transport()
1847 i->end_dev_attr_cont.ac.match = sas_end_dev_match; in sas_attach_transport()
1848 transport_container_register(&i->end_dev_attr_cont); in sas_attach_transport()
1850 i->expander_attr_cont.ac.class = &sas_expander_class.class; in sas_attach_transport()
1851 i->expander_attr_cont.ac.attrs = &i->expander_attrs[0]; in sas_attach_transport()
1852 i->expander_attr_cont.ac.match = sas_expander_match; in sas_attach_transport()
1853 transport_container_register(&i->expander_attr_cont); in sas_attach_transport()
1855 i->f = ft; in sas_attach_transport()
1876 i->phy_attrs[count] = NULL; in sas_attach_transport()
1880 i->port_attrs[count] = NULL; in sas_attach_transport()
1893 i->rphy_attrs[count] = NULL; in sas_attach_transport()
1901 i->end_dev_attrs[count] = NULL; in sas_attach_transport()
1911 i->expander_attrs[count] = NULL; in sas_attach_transport()
1913 return &i->t; in sas_attach_transport()
1918 * sas_release_transport - release SAS transport template instance
1925 transport_container_unregister(&i->t.host_attrs); in sas_release_transport()
1926 transport_container_unregister(&i->phy_attr_cont); in sas_release_transport()
1927 transport_container_unregister(&i->port_attr_cont); in sas_release_transport()
1928 transport_container_unregister(&i->rphy_attr_cont); in sas_release_transport()
1929 transport_container_unregister(&i->end_dev_attr_cont); in sas_release_transport()
1930 transport_container_unregister(&i->expander_attr_cont); in sas_release_transport()