2 * FiberChannel transport specific attributes exported to sysfs.
4 * Copyright (c) 2003 Silicon Graphics, Inc. All rights reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * Copyright (C) 2004-2007 James Smart, Emulex Corporation
23 * Rewrite for host, target, device, and remote port attributes,
24 * statistics, and service functions...
27 #ifndef SCSI_TRANSPORT_FC_H
28 #define SCSI_TRANSPORT_FC_H
30 #include <linux/sched.h>
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_netlink.h>
34 struct scsi_transport_template;
38 * FC Port definitions - Following FC HBAAPI guidelines
40 * Note: Not all binary values for the different fields match HBAAPI.
41 * Instead, we use densely packed ordinal values or enums.
42 * We get away with this as we never present the actual binary values
43 * externally. For sysfs, we always present the string that describes
44 * the value. Thus, an admin doesn't need a magic HBAAPI decoder ring
45 * to understand the values. The HBAAPI user-space library is free to
46 * convert the strings into the HBAAPI-specified binary values.
48 * Note: Not all HBAAPI-defined values are contained in the definitions
49 * below. Those not appropriate to an fc_host (e.g. FCP initiator) have
54 * fc_port_type: If you alter this, you also need to alter scsi_transport_fc.c
55 * (for the ascii descriptions).
60 FC_PORTTYPE_NOTPRESENT,
61 FC_PORTTYPE_NPORT, /* Attached to FPort */
62 FC_PORTTYPE_NLPORT, /* (Public) Loop w/ FLPort */
63 FC_PORTTYPE_LPORT, /* (Private) Loop w/o FLPort */
64 FC_PORTTYPE_PTP, /* Point to Point w/ another NPort */
65 FC_PORTTYPE_NPIV, /* VPORT based on NPIV */
70 * fc_port_state: If you alter this, you also need to alter scsi_transport_fc.c
71 * (for the ascii descriptions).
75 FC_PORTSTATE_NOTPRESENT,
77 FC_PORTSTATE_OFFLINE, /* User has taken Port Offline */
79 FC_PORTSTATE_BYPASSED,
80 FC_PORTSTATE_DIAGNOSTICS,
81 FC_PORTSTATE_LINKDOWN,
83 FC_PORTSTATE_LOOPBACK,
89 * fc_vport_state: If you alter this, you also need to alter
90 * scsi_transport_fc.c (for the ascii descriptions).
97 FC_VPORT_INITIALIZING,
98 FC_VPORT_NO_FABRIC_SUPP,
99 FC_VPORT_NO_FABRIC_RSCS,
100 FC_VPORT_FABRIC_LOGOUT,
101 FC_VPORT_FABRIC_REJ_WWN,
108 * FC Classes of Service
109 * Note: values are not enumerated, as they can be "or'd" together
110 * for reporting (e.g. report supported_classes). If you alter this list,
111 * you also need to alter scsi_transport_fc.c (for the ascii descriptions).
113 #define FC_COS_UNSPECIFIED 0
114 #define FC_COS_CLASS1 2
115 #define FC_COS_CLASS2 4
116 #define FC_COS_CLASS3 8
117 #define FC_COS_CLASS4 0x10
118 #define FC_COS_CLASS6 0x40
122 * Note: values are not enumerated, as they can be "or'd" together
123 * for reporting (e.g. report supported_speeds). If you alter this list,
124 * you also need to alter scsi_transport_fc.c (for the ascii descriptions).
126 #define FC_PORTSPEED_UNKNOWN 0 /* Unknown - transceiver
127 incapable of reporting */
128 #define FC_PORTSPEED_1GBIT 1
129 #define FC_PORTSPEED_2GBIT 2
130 #define FC_PORTSPEED_4GBIT 4
131 #define FC_PORTSPEED_10GBIT 8
132 #define FC_PORTSPEED_8GBIT 0x10
133 #define FC_PORTSPEED_16GBIT 0x20
134 #define FC_PORTSPEED_NOT_NEGOTIATED (1 << 15) /* Speed not established */
137 * fc_tgtid_binding_type: If you alter this, you also need to alter
138 * scsi_transport_fc.c (for the ascii descriptions).
140 enum fc_tgtid_binding_type {
142 FC_TGTID_BIND_BY_WWPN,
143 FC_TGTID_BIND_BY_WWNN,
149 * Note: values are not enumerated, as they can be "or'd" together
150 * for reporting (e.g. report roles). If you alter this list,
151 * you also need to alter scsi_transport_fc.c (for the ascii descriptions).
153 #define FC_PORT_ROLE_UNKNOWN 0x00
154 #define FC_PORT_ROLE_FCP_TARGET 0x01
155 #define FC_PORT_ROLE_FCP_INITIATOR 0x02
156 #define FC_PORT_ROLE_IP_PORT 0x04
158 /* The following are for compatibility */
159 #define FC_RPORT_ROLE_UNKNOWN FC_PORT_ROLE_UNKNOWN
160 #define FC_RPORT_ROLE_FCP_TARGET FC_PORT_ROLE_FCP_TARGET
161 #define FC_RPORT_ROLE_FCP_INITIATOR FC_PORT_ROLE_FCP_INITIATOR
162 #define FC_RPORT_ROLE_IP_PORT FC_PORT_ROLE_IP_PORT
165 /* Macro for use in defining Virtual Port attributes */
166 #define FC_VPORT_ATTR(_name,_mode,_show,_store) \
167 struct class_device_attribute class_device_attr_vport_##_name = \
168 __ATTR(_name,_mode,_show,_store)
172 * FC Virtual Port Attributes
174 * This structure exists for each FC port is a virtual FC port. Virtual
175 * ports share the physical link with the Physical port. Each virtual
176 * ports has a unique presense on the SAN, and may be instantiated via
177 * NPIV, Virtual Fabrics, or via additional ALPAs. As the vport is a
178 * unique presense, each vport has it's own view of the fabric,
179 * authentication priviledge, and priorities.
181 * A virtual port may support 1 or more FC4 roles. Typically it is a
182 * FCP Initiator. It could be a FCP Target, or exist sole for an IP over FC
183 * roles. FC port attributes for the vport will be reported on any
184 * fc_host class object allocated for an FCP Initiator.
188 * Fixed attributes are not expected to change. The driver is
189 * expected to set these values after receiving the fc_vport structure
190 * via the vport_create() call from the transport.
191 * The transport fully manages all get functions w/o driver interaction.
193 * Dynamic attributes are expected to change. The driver participates
194 * in all get/set operations via functions provided by the driver.
196 * Private attributes are transport-managed values. They are fully
197 * managed by the transport w/o driver interaction.
200 #define FC_VPORT_SYMBOLIC_NAMELEN 64
202 /* Fixed Attributes */
204 /* Dynamic Attributes */
206 /* Private (Transport-managed) Attributes */
207 enum fc_vport_state vport_state;
208 enum fc_vport_state vport_last_state;
212 u32 vport_id; /* Admin Identifier for the vport */
213 enum fc_port_type vport_type;
214 char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
217 void *dd_data; /* Used for driver-specific storage */
220 struct Scsi_Host *shost; /* Physical Port Parent */
221 unsigned int channel;
224 struct list_head peers;
226 } __attribute__((aligned(sizeof(unsigned long))));
228 /* bit field values for struct fc_vport "flags" field: */
229 #define FC_VPORT_CREATING 0x01
230 #define FC_VPORT_DELETING 0x02
231 #define FC_VPORT_DELETED 0x04
232 #define FC_VPORT_DEL 0x06 /* Any DELETE state */
234 #define dev_to_vport(d) \
235 container_of(d, struct fc_vport, dev)
236 #define transport_class_to_vport(classdev) \
237 dev_to_vport(classdev->dev)
238 #define vport_to_shost(v) \
240 #define vport_to_shost_channel(v) \
242 #define vport_to_parent(v) \
246 /* Error return codes for vport_create() callback */
247 #define VPCERR_UNSUPPORTED -ENOSYS /* no driver/adapter
249 #define VPCERR_BAD_WWN -ENOTUNIQ /* driver validation
251 #define VPCERR_NO_FABRIC_SUPP -EOPNOTSUPP /* Fabric connection
257 * fc_rport_identifiers: This set of data contains all elements
258 * to uniquely identify a remote FC port. The driver uses this data
259 * to report the existence of a remote FC port in the topology. Internally,
260 * the transport uses this data for attributes and to manage consistent
261 * target id bindings.
263 struct fc_rport_identifiers {
271 /* Macro for use in defining Remote Port attributes */
272 #define FC_RPORT_ATTR(_name,_mode,_show,_store) \
273 struct class_device_attribute class_device_attr_rport_##_name = \
274 __ATTR(_name,_mode,_show,_store)
278 * FC Remote Port Attributes
280 * This structure exists for each remote FC port that a LLDD notifies
281 * the subsystem of. A remote FC port may or may not be a SCSI Target,
282 * also be a SCSI initiator, IP endpoint, etc. As such, the remote
283 * port is considered a separate entity, independent of "role" (such
288 * Attributes are based on HBAAPI V2.0 definitions. Only those
289 * attributes that are determinable by the local port (aka Host)
292 * Fixed attributes are not expected to change. The driver is
293 * expected to set these values after successfully calling
294 * fc_remote_port_add(). The transport fully manages all get functions
295 * w/o driver interaction.
297 * Dynamic attributes are expected to change. The driver participates
298 * in all get/set operations via functions provided by the driver.
300 * Private attributes are transport-managed values. They are fully
301 * managed by the transport w/o driver interaction.
304 struct fc_rport { /* aka fc_starget_attrs */
305 /* Fixed Attributes */
307 u32 supported_classes;
309 /* Dynamic Attributes */
310 u32 dev_loss_tmo; /* Remote Port loss timeout in seconds. */
312 /* Private (Transport-managed) Attributes */
317 enum fc_port_state port_state; /* Will only be ONLINE or UNKNOWN */
319 u32 fast_io_fail_tmo;
322 void *dd_data; /* Used for driver-specific storage */
325 unsigned int channel;
328 struct list_head peers;
330 struct delayed_work dev_loss_work;
331 struct work_struct scan_work;
332 struct delayed_work fail_io_work;
333 struct work_struct stgt_delete_work;
334 struct work_struct rport_delete_work;
335 } __attribute__((aligned(sizeof(unsigned long))));
337 /* bit field values for struct fc_rport "flags" field: */
338 #define FC_RPORT_DEVLOSS_PENDING 0x01
339 #define FC_RPORT_SCAN_PENDING 0x02
341 #define dev_to_rport(d) \
342 container_of(d, struct fc_rport, dev)
343 #define transport_class_to_rport(classdev) \
344 dev_to_rport(classdev->dev)
345 #define rport_to_shost(r) \
346 dev_to_shost(r->dev.parent)
349 * FC SCSI Target Attributes
351 * The SCSI Target is considered an extention of a remote port (as
352 * a remote port can be more than a SCSI Target). Within the scsi
353 * subsystem, we leave the Target as a separate entity. Doing so
354 * provides backward compatibility with prior FC transport api's,
355 * and lets remote ports be handled entirely within the FC transport
356 * and independently from the scsi subsystem. The drawback is that
357 * some data will be duplicated.
360 struct fc_starget_attrs { /* aka fc_target_attrs */
361 /* Dynamic Attributes */
367 #define fc_starget_node_name(x) \
368 (((struct fc_starget_attrs *)&(x)->starget_data)->node_name)
369 #define fc_starget_port_name(x) \
370 (((struct fc_starget_attrs *)&(x)->starget_data)->port_name)
371 #define fc_starget_port_id(x) \
372 (((struct fc_starget_attrs *)&(x)->starget_data)->port_id)
374 #define starget_to_rport(s) \
375 scsi_is_fc_rport(s->dev.parent) ? dev_to_rport(s->dev.parent) : NULL
379 * FC Local Port (Host) Statistics
382 /* FC Statistics - Following FC HBAAPI v2.0 guidelines */
383 struct fc_host_statistics {
384 /* port statistics */
385 u64 seconds_since_last_reset;
394 u64 link_failure_count;
395 u64 loss_of_sync_count;
396 u64 loss_of_signal_count;
397 u64 prim_seq_protocol_err_count;
398 u64 invalid_tx_word_count;
399 u64 invalid_crc_count;
401 /* fc4 statistics (only FCP supported currently) */
402 u64 fcp_input_requests;
403 u64 fcp_output_requests;
404 u64 fcp_control_requests;
405 u64 fcp_input_megabytes;
406 u64 fcp_output_megabytes;
411 * FC Event Codes - Polled and Async, following FC HBAAPI v2.0 guidelines
415 * fc_host_event_code: If you alter this, you also need to alter
416 * scsi_transport_fc.c (for the ascii descriptions).
418 enum fc_host_event_code {
420 FCH_EVT_LINKUP = 0x2,
421 FCH_EVT_LINKDOWN = 0x3,
422 FCH_EVT_LIPRESET = 0x4,
424 FCH_EVT_ADAPTER_CHANGE = 0x103,
425 FCH_EVT_PORT_UNKNOWN = 0x200,
426 FCH_EVT_PORT_OFFLINE = 0x201,
427 FCH_EVT_PORT_ONLINE = 0x202,
428 FCH_EVT_PORT_FABRIC = 0x204,
429 FCH_EVT_LINK_UNKNOWN = 0x500,
430 FCH_EVT_VENDOR_UNIQUE = 0xffff,
435 * FC Local Port (Host) Attributes
437 * Attributes are based on HBAAPI V2.0 definitions.
438 * Note: OSDeviceName is determined by user-space library
440 * Fixed attributes are not expected to change. The driver is
441 * expected to set these values after successfully calling scsi_add_host().
442 * The transport fully manages all get functions w/o driver interaction.
444 * Dynamic attributes are expected to change. The driver participates
445 * in all get/set operations via functions provided by the driver.
447 * Private attributes are transport-managed values. They are fully
448 * managed by the transport w/o driver interaction.
451 #define FC_FC4_LIST_SIZE 32
452 #define FC_SYMBOLIC_NAME_SIZE 256
453 #define FC_VERSION_STRING_SIZE 64
454 #define FC_SERIAL_NUMBER_SIZE 80
456 struct fc_host_attrs {
457 /* Fixed Attributes */
460 u64 permanent_port_name;
461 u32 supported_classes;
462 u8 supported_fc4s[FC_FC4_LIST_SIZE];
463 u32 supported_speeds;
466 char serial_number[FC_SERIAL_NUMBER_SIZE];
468 /* Dynamic Attributes */
470 enum fc_port_type port_type;
471 enum fc_port_state port_state;
472 u8 active_fc4s[FC_FC4_LIST_SIZE];
475 char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
476 char system_hostname[FC_SYMBOLIC_NAME_SIZE];
478 /* Private (Transport-managed) Attributes */
479 enum fc_tgtid_binding_type tgtid_bind_type;
482 struct list_head rports;
483 struct list_head rport_bindings;
484 struct list_head vports;
485 u32 next_rport_number;
487 u32 next_vport_number;
488 u16 npiv_vports_inuse;
490 /* work queues for rport state manipulation */
491 char work_q_name[KOBJ_NAME_LEN];
492 struct workqueue_struct *work_q;
493 char devloss_work_q_name[KOBJ_NAME_LEN];
494 struct workqueue_struct *devloss_work_q;
497 #define shost_to_fc_host(x) \
498 ((struct fc_host_attrs *)(x)->shost_data)
500 #define fc_host_node_name(x) \
501 (((struct fc_host_attrs *)(x)->shost_data)->node_name)
502 #define fc_host_port_name(x) \
503 (((struct fc_host_attrs *)(x)->shost_data)->port_name)
504 #define fc_host_permanent_port_name(x) \
505 (((struct fc_host_attrs *)(x)->shost_data)->permanent_port_name)
506 #define fc_host_supported_classes(x) \
507 (((struct fc_host_attrs *)(x)->shost_data)->supported_classes)
508 #define fc_host_supported_fc4s(x) \
509 (((struct fc_host_attrs *)(x)->shost_data)->supported_fc4s)
510 #define fc_host_supported_speeds(x) \
511 (((struct fc_host_attrs *)(x)->shost_data)->supported_speeds)
512 #define fc_host_maxframe_size(x) \
513 (((struct fc_host_attrs *)(x)->shost_data)->maxframe_size)
514 #define fc_host_max_npiv_vports(x) \
515 (((struct fc_host_attrs *)(x)->shost_data)->max_npiv_vports)
516 #define fc_host_serial_number(x) \
517 (((struct fc_host_attrs *)(x)->shost_data)->serial_number)
518 #define fc_host_port_id(x) \
519 (((struct fc_host_attrs *)(x)->shost_data)->port_id)
520 #define fc_host_port_type(x) \
521 (((struct fc_host_attrs *)(x)->shost_data)->port_type)
522 #define fc_host_port_state(x) \
523 (((struct fc_host_attrs *)(x)->shost_data)->port_state)
524 #define fc_host_active_fc4s(x) \
525 (((struct fc_host_attrs *)(x)->shost_data)->active_fc4s)
526 #define fc_host_speed(x) \
527 (((struct fc_host_attrs *)(x)->shost_data)->speed)
528 #define fc_host_fabric_name(x) \
529 (((struct fc_host_attrs *)(x)->shost_data)->fabric_name)
530 #define fc_host_symbolic_name(x) \
531 (((struct fc_host_attrs *)(x)->shost_data)->symbolic_name)
532 #define fc_host_system_hostname(x) \
533 (((struct fc_host_attrs *)(x)->shost_data)->system_hostname)
534 #define fc_host_tgtid_bind_type(x) \
535 (((struct fc_host_attrs *)(x)->shost_data)->tgtid_bind_type)
536 #define fc_host_rports(x) \
537 (((struct fc_host_attrs *)(x)->shost_data)->rports)
538 #define fc_host_rport_bindings(x) \
539 (((struct fc_host_attrs *)(x)->shost_data)->rport_bindings)
540 #define fc_host_vports(x) \
541 (((struct fc_host_attrs *)(x)->shost_data)->vports)
542 #define fc_host_next_rport_number(x) \
543 (((struct fc_host_attrs *)(x)->shost_data)->next_rport_number)
544 #define fc_host_next_target_id(x) \
545 (((struct fc_host_attrs *)(x)->shost_data)->next_target_id)
546 #define fc_host_next_vport_number(x) \
547 (((struct fc_host_attrs *)(x)->shost_data)->next_vport_number)
548 #define fc_host_npiv_vports_inuse(x) \
549 (((struct fc_host_attrs *)(x)->shost_data)->npiv_vports_inuse)
550 #define fc_host_work_q_name(x) \
551 (((struct fc_host_attrs *)(x)->shost_data)->work_q_name)
552 #define fc_host_work_q(x) \
553 (((struct fc_host_attrs *)(x)->shost_data)->work_q)
554 #define fc_host_devloss_work_q_name(x) \
555 (((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q_name)
556 #define fc_host_devloss_work_q(x) \
557 (((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q)
560 /* The functions by which the transport class and the driver communicate */
561 struct fc_function_template {
562 void (*get_rport_dev_loss_tmo)(struct fc_rport *);
563 void (*set_rport_dev_loss_tmo)(struct fc_rport *, u32);
565 void (*get_starget_node_name)(struct scsi_target *);
566 void (*get_starget_port_name)(struct scsi_target *);
567 void (*get_starget_port_id)(struct scsi_target *);
569 void (*get_host_port_id)(struct Scsi_Host *);
570 void (*get_host_port_type)(struct Scsi_Host *);
571 void (*get_host_port_state)(struct Scsi_Host *);
572 void (*get_host_active_fc4s)(struct Scsi_Host *);
573 void (*get_host_speed)(struct Scsi_Host *);
574 void (*get_host_fabric_name)(struct Scsi_Host *);
575 void (*get_host_symbolic_name)(struct Scsi_Host *);
576 void (*set_host_system_hostname)(struct Scsi_Host *);
578 struct fc_host_statistics * (*get_fc_host_stats)(struct Scsi_Host *);
579 void (*reset_fc_host_stats)(struct Scsi_Host *);
581 int (*issue_fc_host_lip)(struct Scsi_Host *);
583 void (*dev_loss_tmo_callbk)(struct fc_rport *);
584 void (*terminate_rport_io)(struct fc_rport *);
586 void (*set_vport_symbolic_name)(struct fc_vport *);
587 int (*vport_create)(struct fc_vport *, bool);
588 int (*vport_disable)(struct fc_vport *, bool);
589 int (*vport_delete)(struct fc_vport *);
591 /* allocation lengths for host-specific data */
596 * The driver sets these to tell the transport class it
597 * wants the attributes displayed in sysfs. If the show_ flag
598 * is not set, the attribute will be private to the transport
602 /* remote port fixed attributes */
603 unsigned long show_rport_maxframe_size:1;
604 unsigned long show_rport_supported_classes:1;
605 unsigned long show_rport_dev_loss_tmo:1;
608 * target dynamic attributes
609 * These should all be "1" if the driver uses the remote port
610 * add/delete functions (so attributes reflect rport values).
612 unsigned long show_starget_node_name:1;
613 unsigned long show_starget_port_name:1;
614 unsigned long show_starget_port_id:1;
616 /* host fixed attributes */
617 unsigned long show_host_node_name:1;
618 unsigned long show_host_port_name:1;
619 unsigned long show_host_permanent_port_name:1;
620 unsigned long show_host_supported_classes:1;
621 unsigned long show_host_supported_fc4s:1;
622 unsigned long show_host_supported_speeds:1;
623 unsigned long show_host_maxframe_size:1;
624 unsigned long show_host_serial_number:1;
625 /* host dynamic attributes */
626 unsigned long show_host_port_id:1;
627 unsigned long show_host_port_type:1;
628 unsigned long show_host_port_state:1;
629 unsigned long show_host_active_fc4s:1;
630 unsigned long show_host_speed:1;
631 unsigned long show_host_fabric_name:1;
632 unsigned long show_host_symbolic_name:1;
633 unsigned long show_host_system_hostname:1;
638 * fc_remote_port_chkready - called to validate the remote port state
639 * prior to initiating io to the port.
641 * Returns a scsi result code that can be returned by the LLDD.
643 * @rport: remote port to be checked
646 fc_remote_port_chkready(struct fc_rport *rport)
650 switch (rport->port_state) {
651 case FC_PORTSTATE_ONLINE:
652 if (rport->roles & FC_PORT_ROLE_FCP_TARGET)
654 else if (rport->flags & FC_RPORT_DEVLOSS_PENDING)
655 result = DID_IMM_RETRY << 16;
657 result = DID_NO_CONNECT << 16;
659 case FC_PORTSTATE_BLOCKED:
660 result = DID_IMM_RETRY << 16;
663 result = DID_NO_CONNECT << 16;
669 static inline u64 wwn_to_u64(u8 *wwn)
671 return (u64)wwn[0] << 56 | (u64)wwn[1] << 48 |
672 (u64)wwn[2] << 40 | (u64)wwn[3] << 32 |
673 (u64)wwn[4] << 24 | (u64)wwn[5] << 16 |
674 (u64)wwn[6] << 8 | (u64)wwn[7];
677 static inline void u64_to_wwn(u64 inm, u8 *wwn)
679 wwn[0] = (inm >> 56) & 0xff;
680 wwn[1] = (inm >> 48) & 0xff;
681 wwn[2] = (inm >> 40) & 0xff;
682 wwn[3] = (inm >> 32) & 0xff;
683 wwn[4] = (inm >> 24) & 0xff;
684 wwn[5] = (inm >> 16) & 0xff;
685 wwn[6] = (inm >> 8) & 0xff;
690 * fc_vport_set_state() - called to set a vport's state. Saves the old state,
691 * excepting the transitory states of initializing and sending the ELS
692 * traffic to instantiate the vport on the link.
694 * Assumes the driver has surrounded this with the proper locking to ensure
695 * a coherent state change.
697 * @vport: virtual port whose state is changing
698 * @new_state: new state
701 fc_vport_set_state(struct fc_vport *vport, enum fc_vport_state new_state)
703 if ((new_state != FC_VPORT_UNKNOWN) &&
704 (new_state != FC_VPORT_INITIALIZING))
705 vport->vport_last_state = vport->vport_state;
706 vport->vport_state = new_state;
710 struct scsi_transport_template *fc_attach_transport(
711 struct fc_function_template *);
712 void fc_release_transport(struct scsi_transport_template *);
713 void fc_remove_host(struct Scsi_Host *);
714 struct fc_rport *fc_remote_port_add(struct Scsi_Host *shost,
715 int channel, struct fc_rport_identifiers *ids);
716 void fc_remote_port_delete(struct fc_rport *rport);
717 void fc_remote_port_rolechg(struct fc_rport *rport, u32 roles);
718 int scsi_is_fc_rport(const struct device *);
719 u32 fc_get_event_number(void);
720 void fc_host_post_event(struct Scsi_Host *shost, u32 event_number,
721 enum fc_host_event_code event_code, u32 event_data);
722 void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
723 u32 data_len, char * data_buf, u64 vendor_id);
724 /* Note: when specifying vendor_id to fc_host_post_vendor_event()
725 * be sure to read the Vendor Type and ID formatting requirements
726 * specified in scsi_netlink.h
728 int fc_vport_terminate(struct fc_vport *vport);
730 #endif /* SCSI_TRANSPORT_FC_H */