scsi_transport_fc.c revision f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4
19ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FiberChannel transport specific attributes exported to sysfs. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2003 Silicon Graphics, Inc. All rights reserved. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ======== 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Copyright (C) 2004-2007 James Smart, Emulex Corporation 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Rewrite for host, target, device, and remote port attributes, 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * statistics, and service functions... 259ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart * Add vports, etc 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <scsi/scsi_device.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <scsi/scsi_host.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <scsi/scsi_transport.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <scsi/scsi_transport_fc.h> 34c829c394165f981d49f05a9be228404d7a9398d4James Smart#include <scsi/scsi_cmnd.h> 3584314fd4740ad73550c76dee4a9578979d84af48James Smart#include <linux/netlink.h> 3684314fd4740ad73550c76dee4a9578979d84af48James Smart#include <net/netlink.h> 3784314fd4740ad73550c76dee4a9578979d84af48James Smart#include <scsi/scsi_netlink_fc.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "scsi_priv.h" 397525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori#include "scsi_transport_fc_internal.h" 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartstatic int fc_queue_work(struct Scsi_Host *, struct work_struct *); 429ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smartstatic void fc_vport_sched_delete(struct work_struct *work); 43a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquezstatic int fc_vport_setup(struct Scsi_Host *shost, int channel, 44a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct device *pdev, struct fc_vport_identifiers *ids, 45a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport **vport); 46a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 47a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Redefine so that we can have same named attributes in the 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sdev/starget/host objects. 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 51ee959b00c335d7780136c5abda37809191fe52c3Tony Jones#define FC_DEVICE_ATTR(_prefix,_name,_mode,_show,_store) \ 52ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstruct device_attribute device_attr_##_prefix##_##_name = \ 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __ATTR(_name,_mode,_show,_store) 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_enum_name_search(title, table_type, table) \ 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const char *get_fc_##title##_name(enum table_type table_key) \ 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; \ 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name = NULL; \ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds \ 616391a11375de5e2bb1eb8481e54619761dc65d9fTobias Klauser for (i = 0; i < ARRAY_SIZE(table); i++) { \ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (table[i].value == table_key) { \ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds name = table[i].name; \ 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; \ 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return name; \ 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_enum_name_match(title, table_type, table) \ 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int get_fc_##title##_match(const char *table_key, \ 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum table_type *value) \ 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; \ 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds \ 766391a11375de5e2bb1eb8481e54619761dc65d9fTobias Klauser for (i = 0; i < ARRAY_SIZE(table); i++) { \ 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (strncmp(table_key, table[i].name, \ 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds table[i].matchlen) == 0) { \ 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *value = table[i].value; \ 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* success */ \ 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; /* failure */ \ 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Convert fc_port_type values to ascii string name */ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct { 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum fc_port_type value; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} fc_port_type_names[] = { 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTTYPE_UNKNOWN, "Unknown" }, 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTTYPE_OTHER, "Other" }, 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTTYPE_NOTPRESENT, "Not Present" }, 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTTYPE_NPORT, "NPort (fabric via point-to-point)" }, 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTTYPE_NLPORT, "NLPort (fabric via loop)" }, 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTTYPE_LPORT, "LPort (private loop)" }, 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTTYPE_PTP, "Point-To-Point (direct nport connection" }, 99a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_PORTTYPE_NPIV, "NPIV VPORT" }, 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_enum_name_search(port_type, fc_port_type, fc_port_type_names) 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_PORTTYPE_MAX_NAMELEN 50 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 104a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Reuse fc_port_type enum function for vport_type */ 105a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define get_fc_vport_type_name get_fc_port_type_name 106a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10884314fd4740ad73550c76dee4a9578979d84af48James Smart/* Convert fc_host_event_code values to ascii string name */ 10984314fd4740ad73550c76dee4a9578979d84af48James Smartstatic const struct { 11084314fd4740ad73550c76dee4a9578979d84af48James Smart enum fc_host_event_code value; 11184314fd4740ad73550c76dee4a9578979d84af48James Smart char *name; 11284314fd4740ad73550c76dee4a9578979d84af48James Smart} fc_host_event_code_names[] = { 11384314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_LIP, "lip" }, 11484314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_LINKUP, "link_up" }, 11584314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_LINKDOWN, "link_down" }, 11684314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_LIPRESET, "lip_reset" }, 11784314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_RSCN, "rscn" }, 11884314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_ADAPTER_CHANGE, "adapter_chg" }, 11984314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_PORT_UNKNOWN, "port_unknown" }, 12084314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_PORT_ONLINE, "port_online" }, 12184314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_PORT_OFFLINE, "port_offline" }, 12284314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_PORT_FABRIC, "port_fabric" }, 12384314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_LINK_UNKNOWN, "link_unknown" }, 12484314fd4740ad73550c76dee4a9578979d84af48James Smart { FCH_EVT_VENDOR_UNIQUE, "vendor_unique" }, 12584314fd4740ad73550c76dee4a9578979d84af48James Smart}; 12684314fd4740ad73550c76dee4a9578979d84af48James Smartfc_enum_name_search(host_event_code, fc_host_event_code, 12784314fd4740ad73550c76dee4a9578979d84af48James Smart fc_host_event_code_names) 12884314fd4740ad73550c76dee4a9578979d84af48James Smart#define FC_HOST_EVENT_CODE_MAX_NAMELEN 30 12984314fd4740ad73550c76dee4a9578979d84af48James Smart 13084314fd4740ad73550c76dee4a9578979d84af48James Smart 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Convert fc_port_state values to ascii string name */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct { 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum fc_port_state value; 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} fc_port_state_names[] = { 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_UNKNOWN, "Unknown" }, 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_NOTPRESENT, "Not Present" }, 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_ONLINE, "Online" }, 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_OFFLINE, "Offline" }, 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_BLOCKED, "Blocked" }, 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_BYPASSED, "Bypassed" }, 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_DIAGNOSTICS, "Diagnostics" }, 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_LINKDOWN, "Linkdown" }, 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_ERROR, "Error" }, 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSTATE_LOOPBACK, "Loopback" }, 14642e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com { FC_PORTSTATE_DELETED, "Deleted" }, 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_enum_name_search(port_state, fc_port_state, fc_port_state_names) 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_PORTSTATE_MAX_NAMELEN 20 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 152a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Convert fc_vport_state values to ascii string name */ 153a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic struct { 154a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart enum fc_vport_state value; 155a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart char *name; 156a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} fc_vport_state_names[] = { 157a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_UNKNOWN, "Unknown" }, 158a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_ACTIVE, "Active" }, 159a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_DISABLED, "Disabled" }, 160a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_LINKDOWN, "Linkdown" }, 161a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_INITIALIZING, "Initializing" }, 162a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_NO_FABRIC_SUPP, "No Fabric Support" }, 163a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_NO_FABRIC_RSCS, "No Fabric Resources" }, 164a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_FABRIC_LOGOUT, "Fabric Logout" }, 165a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_FABRIC_REJ_WWN, "Fabric Rejected WWN" }, 166a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_VPORT_FAILED, "VPort Failed" }, 167a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart}; 168a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_enum_name_search(vport_state, fc_vport_state, fc_vport_state_names) 169a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define FC_VPORTSTATE_MAX_NAMELEN 24 170a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 171a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Reuse fc_vport_state enum function for vport_last_state */ 172a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define get_fc_vport_last_state_name get_fc_vport_state_name 173a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 174a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Convert fc_tgtid_binding_type values to ascii string name */ 1760ad78200baf1f85a21e6b26c225717ad80980d8fArjan van de Venstatic const struct { 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum fc_tgtid_binding_type value; 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int matchlen; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} fc_tgtid_binding_type_names[] = { 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_TGTID_BIND_NONE, "none", 4 }, 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_TGTID_BIND_BY_WWPN, "wwpn (World Wide Port Name)", 4 }, 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_TGTID_BIND_BY_WWNN, "wwnn (World Wide Node Name)", 4 }, 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_TGTID_BIND_BY_ID, "port_id (FC Address)", 7 }, 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_enum_name_search(tgtid_bind_type, fc_tgtid_binding_type, 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_tgtid_binding_type_names) 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_enum_name_match(tgtid_bind_type, fc_tgtid_binding_type, 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_tgtid_binding_type_names) 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_BINDTYPE_MAX_NAMELEN 30 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_bitfield_name_search(title, table) \ 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsget_fc_##title##_names(u32 table_key, char *buf) \ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *prefix = ""; \ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ssize_t len = 0; \ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; \ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds \ 2016391a11375de5e2bb1eb8481e54619761dc65d9fTobias Klauser for (i = 0; i < ARRAY_SIZE(table); i++) { \ 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (table[i].value & table_key) { \ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len += sprintf(buf + len, "%s%s", \ 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prefix, table[i].name); \ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prefix = ", "; \ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len += sprintf(buf + len, "\n"); \ 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return len; \ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Convert FC_COS bit values to ascii string name */ 2140ad78200baf1f85a21e6b26c225717ad80980d8fArjan van de Venstatic const struct { 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 value; 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} fc_cos_names[] = { 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_COS_CLASS1, "Class 1" }, 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_COS_CLASS2, "Class 2" }, 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_COS_CLASS3, "Class 3" }, 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_COS_CLASS4, "Class 4" }, 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_COS_CLASS6, "Class 6" }, 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_bitfield_name_search(cos, fc_cos_names) 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Convert FC_PORTSPEED bit values to ascii string name */ 2280ad78200baf1f85a21e6b26c225717ad80980d8fArjan van de Venstatic const struct { 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 value; 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} fc_port_speed_names[] = { 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSPEED_1GBIT, "1 Gbit" }, 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSPEED_2GBIT, "2 Gbit" }, 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSPEED_4GBIT, "4 Gbit" }, 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSPEED_10GBIT, "10 Gbit" }, 236c3d2350a8420dbf9d48f5f8a0fb72117bfcbc1b0James Smart { FC_PORTSPEED_8GBIT, "8 Gbit" }, 237c3d2350a8420dbf9d48f5f8a0fb72117bfcbc1b0James Smart { FC_PORTSPEED_16GBIT, "16 Gbit" }, 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { FC_PORTSPEED_NOT_NEGOTIATED, "Not Negotiated" }, 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_bitfield_name_search(port_speed, fc_port_speed_names) 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fc_fc4s (char *buf, u8 *fc4_list) 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, len=0; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < FC_FC4_LIST_SIZE; i++, fc4_list++) 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len += sprintf(buf + len , "0x%02x ", *fc4_list); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len += sprintf(buf + len, "\n"); 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return len; 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 255a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Convert FC_PORT_ROLE bit values to ascii string name */ 2560ad78200baf1f85a21e6b26c225717ad80980d8fArjan van de Venstatic const struct { 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 value; 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 259a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} fc_port_role_names[] = { 260a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_PORT_ROLE_FCP_TARGET, "FCP Target" }, 261a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_PORT_ROLE_FCP_INITIATOR, "FCP Initiator" }, 262a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart { FC_PORT_ROLE_IP_PORT, "IP Port" }, 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 264a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_bitfield_name_search(port_roles, fc_port_role_names) 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Define roles that are specific to port_id. Values are relative to ROLE_MASK. 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_WELLKNOWN_PORTID_MASK 0xfffff0 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_WELLKNOWN_ROLE_MASK 0x00000f 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_FPORT_PORTID 0x00000e 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_FABCTLR_PORTID 0x00000d 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_DIRSRVR_PORTID 0x00000c 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_TIMESRVR_PORTID 0x00000b 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_MGMTSRVR_PORTID 0x00000a 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 278c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsstatic void fc_timeout_deleted_rport(struct work_struct *work); 279c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsstatic void fc_timeout_fail_rport_io(struct work_struct *work); 280c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsstatic void fc_scsi_scan_rport(struct work_struct *work); 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Attribute counts pre object type... 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Increase these values if you add attributes 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FC_STARGET_NUM_ATTRS 3 2870f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart#define FC_RPORT_NUM_ATTRS 10 288a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define FC_VPORT_NUM_ATTRS 9 289a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define FC_HOST_NUM_ATTRS 21 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct fc_internal { 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scsi_transport_template t; 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_function_template *f; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For attributes : each object has : 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * An array of the actual attributes structures 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * An array of null-terminated pointers to the attribute 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * structures - used for mid-layer interaction. 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The attribute containers for the starget and host are are 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * part of the midlayer. As the remote port is specific to the 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * fc transport, we must provide the attribute container. 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 305ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute private_starget_attrs[ 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FC_STARGET_NUM_ATTRS]; 307ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *starget_attrs[FC_STARGET_NUM_ATTRS + 1]; 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 309ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute private_host_attrs[FC_HOST_NUM_ATTRS]; 310ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *host_attrs[FC_HOST_NUM_ATTRS + 1]; 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct transport_container rport_attr_cont; 313ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute private_rport_attrs[FC_RPORT_NUM_ATTRS]; 314ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *rport_attrs[FC_RPORT_NUM_ATTRS + 1]; 315a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 316a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct transport_container vport_attr_cont; 317ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute private_vport_attrs[FC_VPORT_NUM_ATTRS]; 318ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *vport_attrs[FC_VPORT_NUM_ATTRS + 1]; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define to_fc_internal(tmpl) container_of(tmpl, struct fc_internal, t) 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 323d0a7e574007fd547d72ec693bfa35778623d0738James Bottomleystatic int fc_target_setup(struct transport_container *tc, struct device *dev, 324ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device *cdev) 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scsi_target *starget = to_scsi_target(dev); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_rport *rport = starget_to_rport(starget); 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if parent is remote port, use values from remote port. 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Otherwise, this host uses the fc_transport, but not the 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * remote port interface. As such, initialize to known non-values. 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rport) { 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_node_name(starget) = rport->node_name; 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_port_name(starget) = rport->port_name; 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_port_id(starget) = rport->port_id; 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_node_name(starget) = -1; 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_port_name(starget) = -1; 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_port_id(starget) = -1; 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DECLARE_TRANSPORT_CLASS(fc_transport_class, 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "fc_transport", 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_target_setup, 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL, 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL); 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 353d0a7e574007fd547d72ec693bfa35778623d0738James Bottomleystatic int fc_host_setup(struct transport_container *tc, struct device *dev, 354ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device *cdev) 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost = dev_to_shost(dev); 357aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3599ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart /* 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Set default values easily detected by the midlayer as 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * failure cases. The scsi lldd is responsible for initializing 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * all transport attributes to valid values per host. 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 364aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->node_name = -1; 365aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->port_name = -1; 366aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->permanent_port_name = -1; 367aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->supported_classes = FC_COS_UNSPECIFIED; 368aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart memset(fc_host->supported_fc4s, 0, 369aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart sizeof(fc_host->supported_fc4s)); 370aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->supported_speeds = FC_PORTSPEED_UNKNOWN; 371aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->maxframe_size = -1; 372a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_host->max_npiv_vports = 0; 373aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart memset(fc_host->serial_number, 0, 374aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart sizeof(fc_host->serial_number)); 375aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 376aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->port_id = -1; 377aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->port_type = FC_PORTTYPE_UNKNOWN; 378aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->port_state = FC_PORTSTATE_UNKNOWN; 379aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart memset(fc_host->active_fc4s, 0, 380aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart sizeof(fc_host->active_fc4s)); 381aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->speed = FC_PORTSPEED_UNKNOWN; 382aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->fabric_name = -1; 383b8d08210126a7b769b857720a59721a453a57a1eJames Smart memset(fc_host->symbolic_name, 0, sizeof(fc_host->symbolic_name)); 384b8d08210126a7b769b857720a59721a453a57a1eJames Smart memset(fc_host->system_hostname, 0, sizeof(fc_host->system_hostname)); 385aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 386aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->tgtid_bind_type = FC_TGTID_BIND_BY_WWPN; 387aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 388aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart INIT_LIST_HEAD(&fc_host->rports); 389aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart INIT_LIST_HEAD(&fc_host->rport_bindings); 390a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart INIT_LIST_HEAD(&fc_host->vports); 391aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->next_rport_number = 0; 392aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->next_target_id = 0; 393a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_host->next_vport_number = 0; 394a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_host->npiv_vports_inuse = 0; 395aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 396aab0de245150c09e61c30962feb16aacde508dc3Kay Sievers snprintf(fc_host->work_q_name, sizeof(fc_host->work_q_name), 397aab0de245150c09e61c30962feb16aacde508dc3Kay Sievers "fc_wq_%d", shost->host_no); 398aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->work_q = create_singlethread_workqueue( 399aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->work_q_name); 400aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (!fc_host->work_q) 401aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return -ENOMEM; 402aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 403aab0de245150c09e61c30962feb16aacde508dc3Kay Sievers snprintf(fc_host->devloss_work_q_name, 404aab0de245150c09e61c30962feb16aacde508dc3Kay Sievers sizeof(fc_host->devloss_work_q_name), 405aab0de245150c09e61c30962feb16aacde508dc3Kay Sievers "fc_dl_%d", shost->host_no); 406aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->devloss_work_q = create_singlethread_workqueue( 407aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->devloss_work_q_name); 408aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (!fc_host->devloss_work_q) { 409aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart destroy_workqueue(fc_host->work_q); 410aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->work_q = NULL; 411aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return -ENOMEM; 412aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 413aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DECLARE_TRANSPORT_CLASS(fc_host_class, 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "fc_host", 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_host_setup, 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL, 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL); 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Setup and Remove actions for remote ports are handled 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in the service functions below. 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DECLARE_TRANSPORT_CLASS(fc_rport_class, 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "fc_remote_ports", 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL, 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL, 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL); 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 434a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Setup and Remove actions for virtual ports are handled 435a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * in the service functions below. 436a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 437a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic DECLARE_TRANSPORT_CLASS(fc_vport_class, 438a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart "fc_vports", 439a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart NULL, 440a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart NULL, 441a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart NULL); 442a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 443a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Module Parameters 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dev_loss_tmo: the default number of seconds that the FC transport 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * should insulate the loss of a remote port. 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The maximum will be capped by the value of SCSI_DEVICE_BLOCK_MAX_TIMEOUT. 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4521c9e16e47a22c61d99aabb1c154e5106ddbf3575James Smartstatic unsigned int fc_dev_loss_tmo = 60; /* seconds */ 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 45410f4b89a0f0586a67f57efb2f5d12fffbb371490Masatake YAMATOmodule_param_named(dev_loss_tmo, fc_dev_loss_tmo, uint, S_IRUGO|S_IWUSR); 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(dev_loss_tmo, 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Maximum number of seconds that the FC transport should" 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " insulate the loss of a remote port. Once this value is" 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " exceeded, the scsi target is removed. Value should be" 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds " between 1 and SCSI_DEVICE_BLOCK_MAX_TIMEOUT."); 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 461eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley/* 46284314fd4740ad73550c76dee4a9578979d84af48James Smart * Netlink Infrastructure 463eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 46484314fd4740ad73550c76dee4a9578979d84af48James Smart 46584314fd4740ad73550c76dee4a9578979d84af48James Smartstatic atomic_t fc_event_seq; 46684314fd4740ad73550c76dee4a9578979d84af48James Smart 46784314fd4740ad73550c76dee4a9578979d84af48James Smart/** 46884314fd4740ad73550c76dee4a9578979d84af48James Smart * fc_get_event_number - Obtain the next sequential FC event number 46984314fd4740ad73550c76dee4a9578979d84af48James Smart * 47084314fd4740ad73550c76dee4a9578979d84af48James Smart * Notes: 471eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * We could have inlined this, but it would have required fc_event_seq to 47284314fd4740ad73550c76dee4a9578979d84af48James Smart * be exposed. For now, live with the subroutine call. 47384314fd4740ad73550c76dee4a9578979d84af48James Smart * Atomic used to avoid lock/unlock... 474eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 47584314fd4740ad73550c76dee4a9578979d84af48James Smartu32 47684314fd4740ad73550c76dee4a9578979d84af48James Smartfc_get_event_number(void) 47784314fd4740ad73550c76dee4a9578979d84af48James Smart{ 47884314fd4740ad73550c76dee4a9578979d84af48James Smart return atomic_add_return(1, &fc_event_seq); 47984314fd4740ad73550c76dee4a9578979d84af48James Smart} 48084314fd4740ad73550c76dee4a9578979d84af48James SmartEXPORT_SYMBOL(fc_get_event_number); 48184314fd4740ad73550c76dee4a9578979d84af48James Smart 48284314fd4740ad73550c76dee4a9578979d84af48James Smart 48384314fd4740ad73550c76dee4a9578979d84af48James Smart/** 48484314fd4740ad73550c76dee4a9578979d84af48James Smart * fc_host_post_event - called to post an even on an fc_host. 48584314fd4740ad73550c76dee4a9578979d84af48James Smart * @shost: host the event occurred on 48684314fd4740ad73550c76dee4a9578979d84af48James Smart * @event_number: fc event number obtained from get_fc_event_number() 48784314fd4740ad73550c76dee4a9578979d84af48James Smart * @event_code: fc_host event being posted 48884314fd4740ad73550c76dee4a9578979d84af48James Smart * @event_data: 32bits of data for the event being posted 48984314fd4740ad73550c76dee4a9578979d84af48James Smart * 49084314fd4740ad73550c76dee4a9578979d84af48James Smart * Notes: 49184314fd4740ad73550c76dee4a9578979d84af48James Smart * This routine assumes no locks are held on entry. 492eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 49384314fd4740ad73550c76dee4a9578979d84af48James Smartvoid 49484314fd4740ad73550c76dee4a9578979d84af48James Smartfc_host_post_event(struct Scsi_Host *shost, u32 event_number, 49584314fd4740ad73550c76dee4a9578979d84af48James Smart enum fc_host_event_code event_code, u32 event_data) 49684314fd4740ad73550c76dee4a9578979d84af48James Smart{ 49784314fd4740ad73550c76dee4a9578979d84af48James Smart struct sk_buff *skb; 49884314fd4740ad73550c76dee4a9578979d84af48James Smart struct nlmsghdr *nlh; 49984314fd4740ad73550c76dee4a9578979d84af48James Smart struct fc_nl_event *event; 50084314fd4740ad73550c76dee4a9578979d84af48James Smart const char *name; 50184314fd4740ad73550c76dee4a9578979d84af48James Smart u32 len, skblen; 50284314fd4740ad73550c76dee4a9578979d84af48James Smart int err; 50384314fd4740ad73550c76dee4a9578979d84af48James Smart 50484314fd4740ad73550c76dee4a9578979d84af48James Smart if (!scsi_nl_sock) { 50584314fd4740ad73550c76dee4a9578979d84af48James Smart err = -ENOENT; 50684314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_fail; 50784314fd4740ad73550c76dee4a9578979d84af48James Smart } 50884314fd4740ad73550c76dee4a9578979d84af48James Smart 50984314fd4740ad73550c76dee4a9578979d84af48James Smart len = FC_NL_MSGALIGN(sizeof(*event)); 51084314fd4740ad73550c76dee4a9578979d84af48James Smart skblen = NLMSG_SPACE(len); 51184314fd4740ad73550c76dee4a9578979d84af48James Smart 51284314fd4740ad73550c76dee4a9578979d84af48James Smart skb = alloc_skb(skblen, GFP_KERNEL); 51384314fd4740ad73550c76dee4a9578979d84af48James Smart if (!skb) { 51484314fd4740ad73550c76dee4a9578979d84af48James Smart err = -ENOBUFS; 51584314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_fail; 51684314fd4740ad73550c76dee4a9578979d84af48James Smart } 51784314fd4740ad73550c76dee4a9578979d84af48James Smart 51884314fd4740ad73550c76dee4a9578979d84af48James Smart nlh = nlmsg_put(skb, 0, 0, SCSI_TRANSPORT_MSG, 51984314fd4740ad73550c76dee4a9578979d84af48James Smart skblen - sizeof(*nlh), 0); 52084314fd4740ad73550c76dee4a9578979d84af48James Smart if (!nlh) { 52184314fd4740ad73550c76dee4a9578979d84af48James Smart err = -ENOBUFS; 52284314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_fail_skb; 52384314fd4740ad73550c76dee4a9578979d84af48James Smart } 52484314fd4740ad73550c76dee4a9578979d84af48James Smart event = NLMSG_DATA(nlh); 52584314fd4740ad73550c76dee4a9578979d84af48James Smart 52684314fd4740ad73550c76dee4a9578979d84af48James Smart INIT_SCSI_NL_HDR(&event->snlh, SCSI_NL_TRANSPORT_FC, 52784314fd4740ad73550c76dee4a9578979d84af48James Smart FC_NL_ASYNC_EVENT, len); 52884314fd4740ad73550c76dee4a9578979d84af48James Smart event->seconds = get_seconds(); 52984314fd4740ad73550c76dee4a9578979d84af48James Smart event->vendor_id = 0; 53084314fd4740ad73550c76dee4a9578979d84af48James Smart event->host_no = shost->host_no; 53184314fd4740ad73550c76dee4a9578979d84af48James Smart event->event_datalen = sizeof(u32); /* bytes */ 53284314fd4740ad73550c76dee4a9578979d84af48James Smart event->event_num = event_number; 53384314fd4740ad73550c76dee4a9578979d84af48James Smart event->event_code = event_code; 53484314fd4740ad73550c76dee4a9578979d84af48James Smart event->event_data = event_data; 53584314fd4740ad73550c76dee4a9578979d84af48James Smart 5361b73c4bb063c4aa0cdc25425809bb87f65ee75afJames Bottomley err = nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS, 5371b73c4bb063c4aa0cdc25425809bb87f65ee75afJames Bottomley GFP_KERNEL); 53884314fd4740ad73550c76dee4a9578979d84af48James Smart if (err && (err != -ESRCH)) /* filter no recipient errors */ 53984314fd4740ad73550c76dee4a9578979d84af48James Smart /* nlmsg_multicast already kfree_skb'd */ 54084314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_fail; 54184314fd4740ad73550c76dee4a9578979d84af48James Smart 54284314fd4740ad73550c76dee4a9578979d84af48James Smart return; 54384314fd4740ad73550c76dee4a9578979d84af48James Smart 54484314fd4740ad73550c76dee4a9578979d84af48James Smartsend_fail_skb: 54584314fd4740ad73550c76dee4a9578979d84af48James Smart kfree_skb(skb); 54684314fd4740ad73550c76dee4a9578979d84af48James Smartsend_fail: 54784314fd4740ad73550c76dee4a9578979d84af48James Smart name = get_fc_host_event_code_name(event_code); 54884314fd4740ad73550c76dee4a9578979d84af48James Smart printk(KERN_WARNING 54984314fd4740ad73550c76dee4a9578979d84af48James Smart "%s: Dropped Event : host %d %s data 0x%08x - err %d\n", 550cadbd4a5e36dde7e6c49b587b2c419103c0b7218Harvey Harrison __func__, shost->host_no, 55184314fd4740ad73550c76dee4a9578979d84af48James Smart (name) ? name : "<unknown>", event_data, err); 55284314fd4740ad73550c76dee4a9578979d84af48James Smart return; 55384314fd4740ad73550c76dee4a9578979d84af48James Smart} 55484314fd4740ad73550c76dee4a9578979d84af48James SmartEXPORT_SYMBOL(fc_host_post_event); 55584314fd4740ad73550c76dee4a9578979d84af48James Smart 55684314fd4740ad73550c76dee4a9578979d84af48James Smart 55784314fd4740ad73550c76dee4a9578979d84af48James Smart/** 558eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * fc_host_post_vendor_event - called to post a vendor unique event on an fc_host 55984314fd4740ad73550c76dee4a9578979d84af48James Smart * @shost: host the event occurred on 56084314fd4740ad73550c76dee4a9578979d84af48James Smart * @event_number: fc event number obtained from get_fc_event_number() 56184314fd4740ad73550c76dee4a9578979d84af48James Smart * @data_len: amount, in bytes, of vendor unique data 56284314fd4740ad73550c76dee4a9578979d84af48James Smart * @data_buf: pointer to vendor unique data 563eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * @vendor_id: Vendor id 56484314fd4740ad73550c76dee4a9578979d84af48James Smart * 56584314fd4740ad73550c76dee4a9578979d84af48James Smart * Notes: 56684314fd4740ad73550c76dee4a9578979d84af48James Smart * This routine assumes no locks are held on entry. 567eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 56884314fd4740ad73550c76dee4a9578979d84af48James Smartvoid 56984314fd4740ad73550c76dee4a9578979d84af48James Smartfc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number, 570f14e2e29cdd07f80de6dec168dc2bb39de37eec3James Smart u32 data_len, char * data_buf, u64 vendor_id) 57184314fd4740ad73550c76dee4a9578979d84af48James Smart{ 57284314fd4740ad73550c76dee4a9578979d84af48James Smart struct sk_buff *skb; 57384314fd4740ad73550c76dee4a9578979d84af48James Smart struct nlmsghdr *nlh; 57484314fd4740ad73550c76dee4a9578979d84af48James Smart struct fc_nl_event *event; 57584314fd4740ad73550c76dee4a9578979d84af48James Smart u32 len, skblen; 57684314fd4740ad73550c76dee4a9578979d84af48James Smart int err; 57784314fd4740ad73550c76dee4a9578979d84af48James Smart 57884314fd4740ad73550c76dee4a9578979d84af48James Smart if (!scsi_nl_sock) { 57984314fd4740ad73550c76dee4a9578979d84af48James Smart err = -ENOENT; 58084314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_vendor_fail; 58184314fd4740ad73550c76dee4a9578979d84af48James Smart } 58284314fd4740ad73550c76dee4a9578979d84af48James Smart 58384314fd4740ad73550c76dee4a9578979d84af48James Smart len = FC_NL_MSGALIGN(sizeof(*event) + data_len); 58484314fd4740ad73550c76dee4a9578979d84af48James Smart skblen = NLMSG_SPACE(len); 58584314fd4740ad73550c76dee4a9578979d84af48James Smart 58684314fd4740ad73550c76dee4a9578979d84af48James Smart skb = alloc_skb(skblen, GFP_KERNEL); 58784314fd4740ad73550c76dee4a9578979d84af48James Smart if (!skb) { 58884314fd4740ad73550c76dee4a9578979d84af48James Smart err = -ENOBUFS; 58984314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_vendor_fail; 59084314fd4740ad73550c76dee4a9578979d84af48James Smart } 59184314fd4740ad73550c76dee4a9578979d84af48James Smart 59284314fd4740ad73550c76dee4a9578979d84af48James Smart nlh = nlmsg_put(skb, 0, 0, SCSI_TRANSPORT_MSG, 59384314fd4740ad73550c76dee4a9578979d84af48James Smart skblen - sizeof(*nlh), 0); 59484314fd4740ad73550c76dee4a9578979d84af48James Smart if (!nlh) { 59584314fd4740ad73550c76dee4a9578979d84af48James Smart err = -ENOBUFS; 59684314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_vendor_fail_skb; 59784314fd4740ad73550c76dee4a9578979d84af48James Smart } 59884314fd4740ad73550c76dee4a9578979d84af48James Smart event = NLMSG_DATA(nlh); 59984314fd4740ad73550c76dee4a9578979d84af48James Smart 60084314fd4740ad73550c76dee4a9578979d84af48James Smart INIT_SCSI_NL_HDR(&event->snlh, SCSI_NL_TRANSPORT_FC, 60184314fd4740ad73550c76dee4a9578979d84af48James Smart FC_NL_ASYNC_EVENT, len); 60284314fd4740ad73550c76dee4a9578979d84af48James Smart event->seconds = get_seconds(); 60384314fd4740ad73550c76dee4a9578979d84af48James Smart event->vendor_id = vendor_id; 60484314fd4740ad73550c76dee4a9578979d84af48James Smart event->host_no = shost->host_no; 60584314fd4740ad73550c76dee4a9578979d84af48James Smart event->event_datalen = data_len; /* bytes */ 60684314fd4740ad73550c76dee4a9578979d84af48James Smart event->event_num = event_number; 60784314fd4740ad73550c76dee4a9578979d84af48James Smart event->event_code = FCH_EVT_VENDOR_UNIQUE; 60884314fd4740ad73550c76dee4a9578979d84af48James Smart memcpy(&event->event_data, data_buf, data_len); 60984314fd4740ad73550c76dee4a9578979d84af48James Smart 6101b73c4bb063c4aa0cdc25425809bb87f65ee75afJames Bottomley err = nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS, 6111b73c4bb063c4aa0cdc25425809bb87f65ee75afJames Bottomley GFP_KERNEL); 61284314fd4740ad73550c76dee4a9578979d84af48James Smart if (err && (err != -ESRCH)) /* filter no recipient errors */ 61384314fd4740ad73550c76dee4a9578979d84af48James Smart /* nlmsg_multicast already kfree_skb'd */ 61484314fd4740ad73550c76dee4a9578979d84af48James Smart goto send_vendor_fail; 61584314fd4740ad73550c76dee4a9578979d84af48James Smart 61684314fd4740ad73550c76dee4a9578979d84af48James Smart return; 61784314fd4740ad73550c76dee4a9578979d84af48James Smart 61884314fd4740ad73550c76dee4a9578979d84af48James Smartsend_vendor_fail_skb: 61984314fd4740ad73550c76dee4a9578979d84af48James Smart kfree_skb(skb); 62084314fd4740ad73550c76dee4a9578979d84af48James Smartsend_vendor_fail: 62184314fd4740ad73550c76dee4a9578979d84af48James Smart printk(KERN_WARNING 62284314fd4740ad73550c76dee4a9578979d84af48James Smart "%s: Dropped Event : host %d vendor_unique - err %d\n", 623cadbd4a5e36dde7e6c49b587b2c419103c0b7218Harvey Harrison __func__, shost->host_no, err); 62484314fd4740ad73550c76dee4a9578979d84af48James Smart return; 62584314fd4740ad73550c76dee4a9578979d84af48James Smart} 62684314fd4740ad73550c76dee4a9578979d84af48James SmartEXPORT_SYMBOL(fc_host_post_vendor_event); 62784314fd4740ad73550c76dee4a9578979d84af48James Smart 62884314fd4740ad73550c76dee4a9578979d84af48James Smart 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic __init int fc_transport_init(void) 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 63284314fd4740ad73550c76dee4a9578979d84af48James Smart int error; 63384314fd4740ad73550c76dee4a9578979d84af48James Smart 63484314fd4740ad73550c76dee4a9578979d84af48James Smart atomic_set(&fc_event_seq, 0); 63584314fd4740ad73550c76dee4a9578979d84af48James Smart 63684314fd4740ad73550c76dee4a9578979d84af48James Smart error = transport_class_register(&fc_host_class); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (error) 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 639a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart error = transport_class_register(&fc_vport_class); 640a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (error) 641a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return error; 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = transport_class_register(&fc_rport_class); 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (error) 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return transport_class_register(&fc_transport_class); 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit fc_transport_exit(void) 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_class_unregister(&fc_transport_class); 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_class_unregister(&fc_rport_class); 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_class_unregister(&fc_host_class); 653a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_class_unregister(&fc_vport_class); 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FC Remote Port Attribute Management 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_rport_show_function(field, format_string, sz, cast) \ 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 662ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_rport_##field (struct device *dev, \ 663ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 665ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); \ 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost = rport_to_shost(rport); \ 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); \ 66819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if ((i->f->get_rport_##field) && \ 66919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com !((rport->port_state == FC_PORTSTATE_BLOCKED) || \ 67042e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com (rport->port_state == FC_PORTSTATE_DELETED) || \ 67119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com (rport->port_state == FC_PORTSTATE_NOTPRESENT))) \ 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->get_rport_##field(rport); \ 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, sz, format_string, cast rport->field); \ 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_rport_store_function(field) \ 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 678ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_rport_##field(struct device *dev, \ 679ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 680ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) \ 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val; \ 683ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); \ 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost = rport_to_shost(rport); \ 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); \ 6860f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart char *cp; \ 68719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if ((rport->port_state == FC_PORTSTATE_BLOCKED) || \ 68842e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com (rport->port_state == FC_PORTSTATE_DELETED) || \ 68919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com (rport->port_state == FC_PORTSTATE_NOTPRESENT)) \ 69019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return -EBUSY; \ 6910f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart val = simple_strtoul(buf, &cp, 0); \ 6920f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (*cp && (*cp != '\n')) \ 6930f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return -EINVAL; \ 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->set_rport_##field(rport, val); \ 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_rport_rd_attr(field, format_string, sz) \ 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_rport_show_function(field, format_string, sz, ) \ 700ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, field, S_IRUGO, \ 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_##field, NULL) 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_rport_rd_attr_cast(field, format_string, sz, cast) \ 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_rport_show_function(field, format_string, sz, (cast)) \ 705ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, field, S_IRUGO, \ 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_##field, NULL) 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_rport_rw_attr(field, format_string, sz) \ 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_rport_show_function(field, format_string, sz, ) \ 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_rport_store_function(field) \ 711ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, field, S_IRUGO | S_IWUSR, \ 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_##field, \ 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds store_fc_rport_##field) 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_private_rport_show_function(field, format_string, sz, cast) \ 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 718ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_rport_##field (struct device *dev, \ 719ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 721ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); \ 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, sz, format_string, cast rport->field); \ 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_private_rport_rd_attr(field, format_string, sz) \ 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_private_rport_show_function(field, format_string, sz, ) \ 727ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, field, S_IRUGO, \ 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_##field, NULL) 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_private_rport_rd_attr_cast(field, format_string, sz, cast) \ 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_private_rport_show_function(field, format_string, sz, (cast)) \ 732ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, field, S_IRUGO, \ 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_##field, NULL) 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_private_rport_rd_enum_attr(title, maxlen) \ 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 738ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_rport_##title (struct device *dev, \ 739ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 741ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); \ 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *name; \ 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds name = get_fc_##title##_name(rport->title); \ 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!name) \ 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; \ 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, maxlen, "%s\n", name); \ 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 748ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, title, S_IRUGO, \ 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_##title, NULL) 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_RPORT_ATTRIBUTE_RD(field) \ 753ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_rport_attrs[count] = device_attr_rport_##field; \ 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_rport_attrs[count].attr.mode = S_IRUGO; \ 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_rport_attrs[count].store = NULL; \ 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->rport_attrs[count] = &i->private_rport_attrs[count]; \ 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->show_rport_##field) \ 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(field) \ 761ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_rport_attrs[count] = device_attr_rport_##field; \ 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_rport_attrs[count].attr.mode = S_IRUGO; \ 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_rport_attrs[count].store = NULL; \ 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->rport_attrs[count] = &i->private_rport_attrs[count]; \ 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_RPORT_ATTRIBUTE_RW(field) \ 768ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_rport_attrs[count] = device_attr_rport_##field; \ 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i->f->set_rport_##field) { \ 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_rport_attrs[count].attr.mode = S_IRUGO; \ 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_rport_attrs[count].store = NULL; \ 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->rport_attrs[count] = &i->private_rport_attrs[count]; \ 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->show_rport_##field) \ 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7770f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart#define SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(field) \ 7780f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart{ \ 779ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_rport_attrs[count] = device_attr_rport_##field; \ 7800f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart i->rport_attrs[count] = &i->private_rport_attrs[count]; \ 7810f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart count++; \ 7820f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart} 7830f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* The FC Transport Remote Port Attributes: */ 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Fixed Remote Port Attributes */ 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_rport_rd_attr(maxframe_size, "%u bytes\n", 20); 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 792ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_rport_supported_classes (struct device *dev, 793ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 795ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rport->supported_classes == FC_COS_UNSPECIFIED) 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 20, "unspecified\n"); 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return get_fc_cos_names(rport->supported_classes, buf); 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 800ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, supported_classes, S_IRUGO, 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_supported_classes, NULL); 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Dynamic Remote Port Attributes */ 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 80519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com/* 80619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * dev_loss_tmo attribute 80719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com */ 80819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Comfc_rport_show_function(dev_loss_tmo, "%d\n", 20, ) 80919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Comstatic ssize_t 810ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_rport_dev_loss_tmo(struct device *dev, struct device_attribute *attr, 811ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) 81219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com{ 81319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com int val; 814ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); 81519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com struct Scsi_Host *shost = rport_to_shost(rport); 81619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com struct fc_internal *i = to_fc_internal(shost->transportt); 8170f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart char *cp; 81819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if ((rport->port_state == FC_PORTSTATE_BLOCKED) || 81942e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com (rport->port_state == FC_PORTSTATE_DELETED) || 82019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com (rport->port_state == FC_PORTSTATE_NOTPRESENT)) 82119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return -EBUSY; 8220f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart val = simple_strtoul(buf, &cp, 0); 8230f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if ((*cp && (*cp != '\n')) || 8240f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart (val < 0) || (val > SCSI_DEVICE_BLOCK_MAX_TIMEOUT)) 82519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return -EINVAL; 82619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com i->f->set_rport_dev_loss_tmo(rport, val); 82719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return count; 82819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com} 829ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, dev_loss_tmo, S_IRUGO | S_IWUSR, 83019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com show_fc_rport_dev_loss_tmo, store_fc_rport_dev_loss_tmo); 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Private Remote Port Attributes */ 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_rport_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long); 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_rport_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long); 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_rport_rd_attr(port_id, "0x%06x\n", 20); 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 840ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_rport_roles (struct device *dev, struct device_attribute *attr, 841ee959b00c335d7780136c5abda37809191fe52c3Tony Jones char *buf) 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 843ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* identify any roles that are port_id specific */ 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((rport->port_id != -1) && 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (rport->port_id & FC_WELLKNOWN_PORTID_MASK) == 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FC_WELLKNOWN_PORTID_MASK) { 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (rport->port_id & FC_WELLKNOWN_ROLE_MASK) { 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_FPORT_PORTID: 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 30, "Fabric Port\n"); 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_FABCTLR_PORTID: 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 30, "Fabric Controller\n"); 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_DIRSRVR_PORTID: 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 30, "Directory Server\n"); 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_TIMESRVR_PORTID: 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 30, "Time Server\n"); 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_MGMTSRVR_PORTID: 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 30, "Management Server\n"); 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 30, "Unknown Fabric Entity\n"); 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 864a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (rport->roles == FC_PORT_ROLE_UNKNOWN) 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 20, "unknown\n"); 866a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return get_fc_port_roles_names(rport->roles, buf); 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 869ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, roles, S_IRUGO, 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_rport_roles, NULL); 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_rport_rd_enum_attr(port_state, FC_PORTSTATE_MAX_NAMELEN); 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_rport_rd_attr(scsi_target_id, "%d\n", 20); 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8750f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart/* 8760f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart * fast_io_fail_tmo attribute 8770f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart */ 8780f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smartstatic ssize_t 879ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_rport_fast_io_fail_tmo (struct device *dev, 880ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 8810f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart{ 882ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); 8830f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 8840f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (rport->fast_io_fail_tmo == -1) 8850f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return snprintf(buf, 5, "off\n"); 8860f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return snprintf(buf, 20, "%d\n", rport->fast_io_fail_tmo); 8870f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart} 8880f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 8890f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smartstatic ssize_t 890ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_rport_fast_io_fail_tmo(struct device *dev, 891ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, const char *buf, 892ee959b00c335d7780136c5abda37809191fe52c3Tony Jones size_t count) 8930f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart{ 8940f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart int val; 8950f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart char *cp; 896ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_rport *rport = transport_class_to_rport(dev); 8970f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 8980f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if ((rport->port_state == FC_PORTSTATE_BLOCKED) || 8990f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart (rport->port_state == FC_PORTSTATE_DELETED) || 9000f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart (rport->port_state == FC_PORTSTATE_NOTPRESENT)) 9010f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return -EBUSY; 9020f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (strncmp(buf, "off", 3) == 0) 9030f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart rport->fast_io_fail_tmo = -1; 9040f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart else { 9050f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart val = simple_strtoul(buf, &cp, 0); 9060f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if ((*cp && (*cp != '\n')) || 9070f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart (val < 0) || (val >= rport->dev_loss_tmo)) 9080f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return -EINVAL; 9090f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart rport->fast_io_fail_tmo = val; 9100f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart } 9110f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return count; 9120f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart} 913ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(rport, fast_io_fail_tmo, S_IRUGO | S_IWUSR, 9140f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart show_fc_rport_fast_io_fail_tmo, store_fc_rport_fast_io_fail_tmo); 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FC SCSI Target Attribute Management 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Note: in the target show function we recognize when the remote 923a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * port is in the heirarchy and do not allow the driver to get 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * involved in sysfs functions. The driver only gets involved if 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it's the "old" style that doesn't use rports. 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_starget_show_function(field, format_string, sz, cast) \ 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 929ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_starget_##field (struct device *dev, \ 930ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 932ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct scsi_target *starget = transport_class_to_starget(dev); \ 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); \ 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); \ 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_rport *rport = starget_to_rport(starget); \ 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rport) \ 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_##field(starget) = rport->field; \ 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (i->f->get_starget_##field) \ 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->get_starget_##field(starget); \ 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, sz, format_string, \ 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cast fc_starget_##field(starget)); \ 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_starget_rd_attr(field, format_string, sz) \ 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_show_function(field, format_string, sz, ) \ 946ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(starget, field, S_IRUGO, \ 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_starget_##field, NULL) 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_starget_rd_attr_cast(field, format_string, sz, cast) \ 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_starget_show_function(field, format_string, sz, (cast)) \ 951ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(starget, field, S_IRUGO, \ 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_starget_##field, NULL) 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_STARGET_ATTRIBUTE_RD(field) \ 955ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_starget_attrs[count] = device_attr_starget_##field; \ 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_starget_attrs[count].attr.mode = S_IRUGO; \ 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_starget_attrs[count].store = NULL; \ 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->starget_attrs[count] = &i->private_starget_attrs[count]; \ 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->show_starget_##field) \ 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_STARGET_ATTRIBUTE_RW(field) \ 963ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_starget_attrs[count] = device_attr_starget_##field; \ 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i->f->set_starget_##field) { \ 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_starget_attrs[count].attr.mode = S_IRUGO; \ 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_starget_attrs[count].store = NULL; \ 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->starget_attrs[count] = &i->private_starget_attrs[count]; \ 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->show_starget_##field) \ 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* The FC Transport SCSI Target Attributes: */ 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_starget_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long); 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_starget_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long); 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_starget_rd_attr(port_id, "0x%06x\n", 20); 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 979a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * FC Virtual Port Attribute Management 980a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 981a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 982a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_vport_show_function(field, format_string, sz, cast) \ 983a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t \ 984ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_vport_##field (struct device *dev, \ 985ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 986a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ \ 987ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); \ 988a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct Scsi_Host *shost = vport_to_shost(vport); \ 989a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_internal *i = to_fc_internal(shost->transportt); \ 990a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if ((i->f->get_vport_##field) && \ 991a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart !(vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING))) \ 992a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->f->get_vport_##field(vport); \ 993a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return snprintf(buf, sz, format_string, cast vport->field); \ 994a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 995a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 996a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_vport_store_function(field) \ 997a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t \ 998ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_vport_##field(struct device *dev, \ 999ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 1000ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) \ 1001a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ \ 1002a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart int val; \ 1003ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); \ 1004a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct Scsi_Host *shost = vport_to_shost(vport); \ 1005a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_internal *i = to_fc_internal(shost->transportt); \ 1006a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart char *cp; \ 1007a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) \ 1008a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EBUSY; \ 1009a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart val = simple_strtoul(buf, &cp, 0); \ 1010a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (*cp && (*cp != '\n')) \ 1011a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; \ 1012a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->f->set_vport_##field(vport, val); \ 1013a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return count; \ 1014a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1015a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1016a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_vport_store_str_function(field, slen) \ 1017a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t \ 1018ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_vport_##field(struct device *dev, \ 1019ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 1020ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) \ 1021a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ \ 1022ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); \ 1023a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct Scsi_Host *shost = vport_to_shost(vport); \ 1024a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_internal *i = to_fc_internal(shost->transportt); \ 1025a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned int cnt=count; \ 1026a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart \ 1027a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* count may include a LF at end of string */ \ 1028a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (buf[cnt-1] == '\n') \ 1029a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart cnt--; \ 1030a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (cnt > ((slen) - 1)) \ 1031a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; \ 1032a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart memcpy(vport->field, buf, cnt); \ 1033a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->f->set_vport_##field(vport); \ 1034a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return count; \ 1035a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1036a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1037a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_vport_rd_attr(field, format_string, sz) \ 1038a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_vport_show_function(field, format_string, sz, ) \ 1039ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, field, S_IRUGO, \ 1040a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_##field, NULL) 1041a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1042a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_vport_rd_attr_cast(field, format_string, sz, cast) \ 1043a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_vport_show_function(field, format_string, sz, (cast)) \ 1044ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, field, S_IRUGO, \ 1045a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_##field, NULL) 1046a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1047a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_vport_rw_attr(field, format_string, sz) \ 1048a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_vport_show_function(field, format_string, sz, ) \ 1049a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_vport_store_function(field) \ 1050ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, field, S_IRUGO | S_IWUSR, \ 1051a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_##field, \ 1052a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart store_fc_vport_##field) 1053a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1054a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_private_vport_show_function(field, format_string, sz, cast) \ 1055a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t \ 1056ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_vport_##field (struct device *dev, \ 1057ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 1058a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ \ 1059ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); \ 1060a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return snprintf(buf, sz, format_string, cast vport->field); \ 1061a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1062a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1063a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_private_vport_store_u32_function(field) \ 1064a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t \ 1065ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_vport_##field(struct device *dev, \ 1066ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 1067ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) \ 1068a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ \ 1069a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart u32 val; \ 1070ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); \ 1071a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart char *cp; \ 1072a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) \ 1073a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EBUSY; \ 1074a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart val = simple_strtoul(buf, &cp, 0); \ 1075a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (*cp && (*cp != '\n')) \ 1076a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; \ 1077a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->field = val; \ 1078a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return count; \ 1079a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1080a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1081a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1082a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_private_vport_rd_attr(field, format_string, sz) \ 1083a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_private_vport_show_function(field, format_string, sz, ) \ 1084ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, field, S_IRUGO, \ 1085a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_##field, NULL) 1086a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1087a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_private_vport_rd_attr_cast(field, format_string, sz, cast) \ 1088a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_private_vport_show_function(field, format_string, sz, (cast)) \ 1089ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, field, S_IRUGO, \ 1090a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_##field, NULL) 1091a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1092a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_private_vport_rw_u32_attr(field, format_string, sz) \ 1093a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_private_vport_show_function(field, format_string, sz, ) \ 1094a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_private_vport_store_u32_function(field) \ 1095ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, field, S_IRUGO | S_IWUSR, \ 1096a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_##field, \ 1097a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart store_fc_vport_##field) 1098a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1099a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1100a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define fc_private_vport_rd_enum_attr(title, maxlen) \ 1101a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t \ 1102ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_vport_##title (struct device *dev, \ 1103ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 1104ee959b00c335d7780136c5abda37809191fe52c3Tony Jones char *buf) \ 1105a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ \ 1106ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); \ 1107a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart const char *name; \ 1108a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart name = get_fc_##title##_name(vport->title); \ 1109a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (!name) \ 1110a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; \ 1111a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return snprintf(buf, maxlen, "%s\n", name); \ 1112a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} \ 1113ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, title, S_IRUGO, \ 1114a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_##title, NULL) 1115a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1116a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1117a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define SETUP_VPORT_ATTRIBUTE_RD(field) \ 1118ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_vport_attrs[count] = device_attr_vport_##field; \ 1119a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_vport_attrs[count].attr.mode = S_IRUGO; \ 1120a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_vport_attrs[count].store = NULL; \ 1121a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attrs[count] = &i->private_vport_attrs[count]; \ 1122a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (i->f->get_##field) \ 1123a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart count++ 1124a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* NOTE: Above MACRO differs: checks function not show bit */ 1125a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1126a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(field) \ 1127ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_vport_attrs[count] = device_attr_vport_##field; \ 1128a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_vport_attrs[count].attr.mode = S_IRUGO; \ 1129a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_vport_attrs[count].store = NULL; \ 1130a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attrs[count] = &i->private_vport_attrs[count]; \ 1131a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart count++ 1132a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1133a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define SETUP_VPORT_ATTRIBUTE_WR(field) \ 1134ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_vport_attrs[count] = device_attr_vport_##field; \ 1135a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attrs[count] = &i->private_vport_attrs[count]; \ 1136a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (i->f->field) \ 1137a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart count++ 1138a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* NOTE: Above MACRO differs: checks function */ 1139a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1140a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define SETUP_VPORT_ATTRIBUTE_RW(field) \ 1141ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_vport_attrs[count] = device_attr_vport_##field; \ 1142a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (!i->f->set_vport_##field) { \ 1143a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_vport_attrs[count].attr.mode = S_IRUGO; \ 1144a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_vport_attrs[count].store = NULL; \ 1145a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } \ 1146a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attrs[count] = &i->private_vport_attrs[count]; \ 1147a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart count++ 1148a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* NOTE: Above MACRO differs: does not check show bit */ 1149a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1150a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define SETUP_PRIVATE_VPORT_ATTRIBUTE_RW(field) \ 1151a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ \ 1152ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_vport_attrs[count] = device_attr_vport_##field; \ 1153a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attrs[count] = &i->private_vport_attrs[count]; \ 1154a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart count++; \ 1155a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1156a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1157a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1158a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* The FC Transport Virtual Port Attributes: */ 1159a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1160a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Fixed Virtual Port Attributes */ 1161a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1162a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Dynamic Virtual Port Attributes */ 1163a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1164a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Private Virtual Port Attributes */ 1165a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1166a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_vport_rd_enum_attr(vport_state, FC_VPORTSTATE_MAX_NAMELEN); 1167a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_vport_rd_enum_attr(vport_last_state, FC_VPORTSTATE_MAX_NAMELEN); 1168a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_vport_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long); 1169a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_vport_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long); 1170a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1171a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t 1172ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_vport_roles (struct device *dev, struct device_attribute *attr, 1173ee959b00c335d7780136c5abda37809191fe52c3Tony Jones char *buf) 1174a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1175ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); 1176a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1177a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->roles == FC_PORT_ROLE_UNKNOWN) 1178a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return snprintf(buf, 20, "unknown\n"); 1179a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return get_fc_port_roles_names(vport->roles, buf); 1180a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1181ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, roles, S_IRUGO, show_fc_vport_roles, NULL); 1182a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1183a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_vport_rd_enum_attr(vport_type, FC_PORTTYPE_MAX_NAMELEN); 1184a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1185a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_vport_show_function(symbolic_name, "%s\n", 1186a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart FC_VPORT_SYMBOLIC_NAMELEN + 1, ) 1187a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_vport_store_str_function(symbolic_name, FC_VPORT_SYMBOLIC_NAMELEN) 1188ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, symbolic_name, S_IRUGO | S_IWUSR, 1189a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart show_fc_vport_symbolic_name, store_fc_vport_symbolic_name); 1190a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1191a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t 1192ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_vport_delete(struct device *dev, struct device_attribute *attr, 1193ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) 1194a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1195ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); 11969ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart struct Scsi_Host *shost = vport_to_shost(vport); 1197a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 11989ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart fc_queue_work(shost, &vport->vport_delete_work); 1199a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return count; 1200a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1201ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, vport_delete, S_IWUSR, 1202a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart NULL, store_fc_vport_delete); 1203a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1204a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1205a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* 1206a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Enable/Disable vport 1207a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Write "1" to disable, write "0" to enable 1208a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 1209a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t 1210ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_vport_disable(struct device *dev, struct device_attribute *attr, 1211ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, 1212a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart size_t count) 1213a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1214ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct fc_vport *vport = transport_class_to_vport(dev); 1215a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct Scsi_Host *shost = vport_to_shost(vport); 1216a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_internal *i = to_fc_internal(shost->transportt); 1217a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart int stat; 1218a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1219a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) 1220a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EBUSY; 1221a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1222a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (*buf == '0') { 1223a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->vport_state != FC_VPORT_DISABLED) 1224a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EALREADY; 1225a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } else if (*buf == '1') { 1226a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->vport_state == FC_VPORT_DISABLED) 1227a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EALREADY; 1228a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } else 1229a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; 1230a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1231a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = i->f->vport_disable(vport, ((*buf == '0') ? false : true)); 1232a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat ? stat : count; 1233a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1234ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(vport, vport_disable, S_IWUSR, 1235a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart NULL, store_fc_vport_disable); 1236a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1237a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1238a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Host Attribute Management 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_host_show_function(field, format_string, sz, cast) \ 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 1244ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_##field (struct device *dev, \ 1245ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 1247ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); \ 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); \ 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->get_host_##field) \ 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->get_host_##field(shost); \ 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, sz, format_string, cast fc_host_##field(shost)); \ 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_host_store_function(field) \ 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 1256ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_host_##field(struct device *dev, \ 1257ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 1258ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) \ 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val; \ 1261ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); \ 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); \ 12630f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart char *cp; \ 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds \ 12650f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart val = simple_strtoul(buf, &cp, 0); \ 12660f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (*cp && (*cp != '\n')) \ 12670f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return -EINVAL; \ 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->set_host_##field(shost, val); \ 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1272b8d08210126a7b769b857720a59721a453a57a1eJames Smart#define fc_host_store_str_function(field, slen) \ 1273b8d08210126a7b769b857720a59721a453a57a1eJames Smartstatic ssize_t \ 1274ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_host_##field(struct device *dev, \ 1275ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 1276ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) \ 1277b8d08210126a7b769b857720a59721a453a57a1eJames Smart{ \ 1278ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); \ 1279b8d08210126a7b769b857720a59721a453a57a1eJames Smart struct fc_internal *i = to_fc_internal(shost->transportt); \ 1280b8d08210126a7b769b857720a59721a453a57a1eJames Smart unsigned int cnt=count; \ 1281b8d08210126a7b769b857720a59721a453a57a1eJames Smart \ 1282b8d08210126a7b769b857720a59721a453a57a1eJames Smart /* count may include a LF at end of string */ \ 1283b8d08210126a7b769b857720a59721a453a57a1eJames Smart if (buf[cnt-1] == '\n') \ 1284b8d08210126a7b769b857720a59721a453a57a1eJames Smart cnt--; \ 1285b8d08210126a7b769b857720a59721a453a57a1eJames Smart if (cnt > ((slen) - 1)) \ 1286b8d08210126a7b769b857720a59721a453a57a1eJames Smart return -EINVAL; \ 1287b8d08210126a7b769b857720a59721a453a57a1eJames Smart memcpy(fc_host_##field(shost), buf, cnt); \ 1288b8d08210126a7b769b857720a59721a453a57a1eJames Smart i->f->set_host_##field(shost); \ 1289b8d08210126a7b769b857720a59721a453a57a1eJames Smart return count; \ 1290b8d08210126a7b769b857720a59721a453a57a1eJames Smart} 1291b8d08210126a7b769b857720a59721a453a57a1eJames Smart 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_host_rd_attr(field, format_string, sz) \ 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_host_show_function(field, format_string, sz, ) \ 1294ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, field, S_IRUGO, \ 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_##field, NULL) 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_host_rd_attr_cast(field, format_string, sz, cast) \ 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_host_show_function(field, format_string, sz, (cast)) \ 1299ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, field, S_IRUGO, \ 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_##field, NULL) 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_host_rw_attr(field, format_string, sz) \ 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_host_show_function(field, format_string, sz, ) \ 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_host_store_function(field) \ 1305ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, field, S_IRUGO | S_IWUSR, \ 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_##field, \ 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds store_fc_host_##field) 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_host_rd_enum_attr(title, maxlen) \ 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 1311ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_##title (struct device *dev, \ 1312ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 1314ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); \ 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); \ 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *name; \ 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->get_host_##title) \ 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->get_host_##title(shost); \ 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds name = get_fc_##title##_name(fc_host_##title(shost)); \ 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!name) \ 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; \ 13221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, maxlen, "%s\n", name); \ 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 1324ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, title, S_IRUGO, show_fc_host_##title, NULL) 13251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_HOST_ATTRIBUTE_RD(field) \ 1327ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_host_attrs[count] = device_attr_host_##field; \ 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_host_attrs[count].attr.mode = S_IRUGO; \ 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_host_attrs[count].store = NULL; \ 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->host_attrs[count] = &i->private_host_attrs[count]; \ 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->show_host_##field) \ 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1334a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart#define SETUP_HOST_ATTRIBUTE_RD_NS(field) \ 1335ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_host_attrs[count] = device_attr_host_##field; \ 1336a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_host_attrs[count].attr.mode = S_IRUGO; \ 1337a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->private_host_attrs[count].store = NULL; \ 1338a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->host_attrs[count] = &i->private_host_attrs[count]; \ 1339a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart count++ 1340a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_HOST_ATTRIBUTE_RW(field) \ 1342ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_host_attrs[count] = device_attr_host_##field; \ 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i->f->set_host_##field) { \ 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_host_attrs[count].attr.mode = S_IRUGO; \ 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_host_attrs[count].store = NULL; \ 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->host_attrs[count] = &i->private_host_attrs[count]; \ 13481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->show_host_##field) \ 13491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 13501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_private_host_show_function(field, format_string, sz, cast) \ 13531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t \ 1354ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_##field (struct device *dev, \ 1355ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) \ 13561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 1357ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); \ 13581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, sz, format_string, cast fc_host_##field(shost)); \ 13591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_private_host_rd_attr(field, format_string, sz) \ 13621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_private_host_show_function(field, format_string, sz, ) \ 1363ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, field, S_IRUGO, \ 13641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_##field, NULL) 13651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_private_host_rd_attr_cast(field, format_string, sz, cast) \ 13671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_private_host_show_function(field, format_string, sz, (cast)) \ 1368ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, field, S_IRUGO, \ 13691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_##field, NULL) 13701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_PRIVATE_HOST_ATTRIBUTE_RD(field) \ 1372ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_host_attrs[count] = device_attr_host_##field; \ 13731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_host_attrs[count].attr.mode = S_IRUGO; \ 13741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->private_host_attrs[count].store = NULL; \ 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->host_attrs[count] = &i->private_host_attrs[count]; \ 13761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++ 13771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SETUP_PRIVATE_HOST_ATTRIBUTE_RW(field) \ 137991ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez{ \ 1380ee959b00c335d7780136c5abda37809191fe52c3Tony Jones i->private_host_attrs[count] = device_attr_host_##field; \ 13811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->host_attrs[count] = &i->private_host_attrs[count]; \ 138291ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez count++; \ 138391ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez} 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Fixed Host Attributes */ 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1389ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_supported_classes (struct device *dev, 1390ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1392ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (fc_host_supported_classes(shost) == FC_COS_UNSPECIFIED) 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 20, "unspecified\n"); 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return get_fc_cos_names(fc_host_supported_classes(shost), buf); 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1399ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, supported_classes, S_IRUGO, 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_supported_classes, NULL); 14011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1403ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_supported_fc4s (struct device *dev, 1404ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1406ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (ssize_t)show_fc_fc4s(buf, fc_host_supported_fc4s(shost)); 14081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1409ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, supported_fc4s, S_IRUGO, 14101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_supported_fc4s, NULL); 14111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1413ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_supported_speeds (struct device *dev, 1414ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1416ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 14171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (fc_host_supported_speeds(shost) == FC_PORTSPEED_UNKNOWN) 14191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 20, "unknown\n"); 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return get_fc_port_speed_names(fc_host_supported_speeds(shost), buf); 14221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1423ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, supported_speeds, S_IRUGO, 14241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_supported_speeds, NULL); 14251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_host_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long); 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_host_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long); 14296b7281d0a0f8f99d39808088a036459f6f7906a6Andreas Herrmannfc_private_host_rd_attr_cast(permanent_port_name, "0x%llx\n", 20, 14306b7281d0a0f8f99d39808088a036459f6f7906a6Andreas Herrmann unsigned long long); 14311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_host_rd_attr(maxframe_size, "%u bytes\n", 20); 1432a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_host_rd_attr(max_npiv_vports, "%u\n", 20); 14331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_private_host_rd_attr(serial_number, "%s\n", (FC_SERIAL_NUMBER_SIZE +1)); 14341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Dynamic Host Attributes */ 14371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1439ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_active_fc4s (struct device *dev, 1440ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 14411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1442ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 14431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); 14441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->get_host_active_fc4s) 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->get_host_active_fc4s(shost); 14471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (ssize_t)show_fc_fc4s(buf, fc_host_active_fc4s(shost)); 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1450ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, active_fc4s, S_IRUGO, 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_active_fc4s, NULL); 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1454ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_host_speed (struct device *dev, 1455ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1457ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->get_host_speed) 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->get_host_speed(shost); 14621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (fc_host_speed(shost) == FC_PORTSPEED_UNKNOWN) 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, 20, "unknown\n"); 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return get_fc_port_speed_names(fc_host_speed(shost), buf); 14671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1468ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, speed, S_IRUGO, 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_host_speed, NULL); 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_rd_attr(port_id, "0x%06x\n", 20); 14731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_rd_enum_attr(port_type, FC_PORTTYPE_MAX_NAMELEN); 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_rd_enum_attr(port_state, FC_PORTSTATE_MAX_NAMELEN); 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_rd_attr_cast(fabric_name, "0x%llx\n", 20, unsigned long long); 1476016131b8fffa1085b4ad165ab228116fdc278ebeJames Smartfc_host_rd_attr(symbolic_name, "%s\n", FC_SYMBOLIC_NAME_SIZE + 1); 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1478b8d08210126a7b769b857720a59721a453a57a1eJames Smartfc_private_host_show_function(system_hostname, "%s\n", 1479b8d08210126a7b769b857720a59721a453a57a1eJames Smart FC_SYMBOLIC_NAME_SIZE + 1, ) 1480b8d08210126a7b769b857720a59721a453a57a1eJames Smartfc_host_store_str_function(system_hostname, FC_SYMBOLIC_NAME_SIZE) 1481ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, system_hostname, S_IRUGO | S_IWUSR, 1482b8d08210126a7b769b857720a59721a453a57a1eJames Smart show_fc_host_system_hostname, store_fc_host_system_hostname); 1483b8d08210126a7b769b857720a59721a453a57a1eJames Smart 14841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Private Host Attributes */ 14861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1488ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesshow_fc_private_host_tgtid_bind_type(struct device *dev, 1489ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, char *buf) 14901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1491ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 14921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *name; 14931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds name = get_fc_tgtid_bind_type_name(fc_host_tgtid_bind_type(shost)); 14951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!name) 14961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 14971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snprintf(buf, FC_BINDTYPE_MAX_NAMELEN, "%s\n", name); 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1500d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com#define get_list_head_entry(pos, head, member) \ 1501d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com pos = list_entry((head)->next, typeof(*pos), member) 1502d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com 15031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1504ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_private_host_tgtid_bind_type(struct device *dev, 1505ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, const char *buf, size_t count) 15061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1507ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 1508d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com struct fc_rport *rport; 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds enum fc_tgtid_binding_type val; 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (get_fc_tgtid_bind_type_match(buf, &val)) 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* if changing bind type, purge all unused consistent bindings */ 15161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val != fc_host_tgtid_bind_type(shost)) { 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(shost->host_lock, flags); 1518d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com while (!list_empty(&fc_host_rport_bindings(shost))) { 1519d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com get_list_head_entry(rport, 1520d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com &fc_host_rport_bindings(shost), peers); 1521aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_del(&rport->peers); 1522aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->port_state = FC_PORTSTATE_DELETED; 1523aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_queue_work(shost, &rport->rport_delete_work); 1524d16794f6ac8d9b50f62e02a6e6175ae1a30d0ccdJames.Smart@Emulex.Com } 15251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(shost->host_lock, flags); 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_host_tgtid_bind_type(shost) = val; 15291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1532ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, tgtid_bind_type, S_IRUGO | S_IWUSR, 15331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fc_private_host_tgtid_bind_type, 15341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds store_fc_private_host_tgtid_bind_type); 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 153691ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquezstatic ssize_t 1537ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_private_host_issue_lip(struct device *dev, 1538ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, const char *buf, size_t count) 153991ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez{ 1540ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 154191ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez struct fc_internal *i = to_fc_internal(shost->transportt); 154291ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez int ret; 154391ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez 154491ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez /* ignore any data value written to the attribute */ 154591ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez if (i->f->issue_fc_host_lip) { 154691ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez ret = i->f->issue_fc_host_lip(shost); 154791ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez return ret ? ret: count; 154891ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez } 154991ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez 155091ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez return -ENOENT; 155191ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez} 155291ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez 1553ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, issue_lip, S_IWUSR, NULL, 155491ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez store_fc_private_host_issue_lip); 155591ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez 1556a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_private_host_rd_attr(npiv_vports_inuse, "%u\n", 20); 1557a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1558a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 15601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Host Statistics Management 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Show a given an attribute in the statistics group */ 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1565ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesfc_stat_show(const struct device *dev, char *buf, unsigned long offset) 15661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1567ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 15681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_host_statistics *stats; 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ssize_t ret = -ENOENT; 15711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (offset > sizeof(struct fc_host_statistics) || 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset % sizeof(u64) != 0) 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WARN_ON(1); 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->get_fc_host_stats) { 15771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds stats = (i->f->get_fc_host_stats)(shost); 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (stats) 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = snprintf(buf, 20, "0x%llx\n", 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (unsigned long long)*(u64 *)(((u8 *) stats) + offset)); 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 15831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* generate a read-only statistics attribute */ 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fc_host_statistic(name) \ 1588ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic ssize_t show_fcstat_##name(struct device *cd, \ 1589ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct device_attribute *attr, \ 1590ee959b00c335d7780136c5abda37809191fe52c3Tony Jones char *buf) \ 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 15921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return fc_stat_show(cd, buf, \ 15931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offsetof(struct fc_host_statistics, name)); \ 15941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 1595ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, name, S_IRUGO, show_fcstat_##name, NULL) 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(seconds_since_last_reset); 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(tx_frames); 15991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(tx_words); 16001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(rx_frames); 16011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(rx_words); 16021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(lip_count); 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(nos_count); 16041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(error_frames); 16051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(dumped_frames); 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(link_failure_count); 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(loss_of_sync_count); 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(loss_of_signal_count); 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(prim_seq_protocol_err_count); 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(invalid_tx_word_count); 16111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(invalid_crc_count); 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(fcp_input_requests); 16131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(fcp_output_requests); 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(fcp_control_requests); 16151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(fcp_input_megabytes); 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_host_statistic(fcp_output_megabytes); 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t 1619ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesfc_reset_statistics(struct device *dev, struct device_attribute *attr, 1620ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) 16211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1622ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 16231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(shost->transportt); 16241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* ignore any data value written to the attribute */ 16261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i->f->reset_fc_host_stats) { 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f->reset_fc_host_stats(shost); 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 16291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOENT; 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1633ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, reset_statistics, S_IWUSR, NULL, 16341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fc_reset_statistics); 16351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct attribute *fc_statistics_attrs[] = { 1637ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_seconds_since_last_reset.attr, 1638ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_tx_frames.attr, 1639ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_tx_words.attr, 1640ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_rx_frames.attr, 1641ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_rx_words.attr, 1642ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_lip_count.attr, 1643ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_nos_count.attr, 1644ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_error_frames.attr, 1645ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_dumped_frames.attr, 1646ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_link_failure_count.attr, 1647ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_loss_of_sync_count.attr, 1648ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_loss_of_signal_count.attr, 1649ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_prim_seq_protocol_err_count.attr, 1650ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_invalid_tx_word_count.attr, 1651ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_invalid_crc_count.attr, 1652ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_fcp_input_requests.attr, 1653ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_fcp_output_requests.attr, 1654ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_fcp_control_requests.attr, 1655ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_fcp_input_megabytes.attr, 1656ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_fcp_output_megabytes.attr, 1657ee959b00c335d7780136c5abda37809191fe52c3Tony Jones &device_attr_host_reset_statistics.attr, 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct attribute_group fc_statistics_group = { 16621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "statistics", 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .attrs = fc_statistics_attrs, 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1666a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1667a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* Host Vport Attributes */ 1668a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1669a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic int 1670a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_parse_wwn(const char *ns, u64 *nm) 1671a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1672a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned int i, j; 1673a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart u8 wwn[8]; 1674a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1675a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart memset(wwn, 0, sizeof(wwn)); 1676a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1677a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* Validate and store the new name */ 1678a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart for (i=0, j=0; i < 16; i++) { 1679a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if ((*ns >= 'a') && (*ns <= 'f')) 1680a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart j = ((j << 4) | ((*ns++ -'a') + 10)); 1681a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart else if ((*ns >= 'A') && (*ns <= 'F')) 1682a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart j = ((j << 4) | ((*ns++ -'A') + 10)); 1683a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart else if ((*ns >= '0') && (*ns <= '9')) 1684a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart j = ((j << 4) | (*ns++ -'0')); 1685a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart else 1686a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; 1687a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (i % 2) { 1688a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart wwn[i/2] = j & 0xff; 1689a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart j = 0; 1690a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 1691a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 1692a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1693a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart *nm = wwn_to_u64(wwn); 1694a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1695a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return 0; 1696a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1697a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1698a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1699a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* 1700a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * "Short-cut" sysfs variable to create a new vport on a FC Host. 1701a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Input is a string of the form "<WWPN>:<WWNN>". Other attributes 1702a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * will default to a NPIV-based FCP_Initiator; The WWNs are specified 1703a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * as hex characters, and may *not* contain any prefixes (e.g. 0x, x, etc) 1704a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 1705a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t 1706ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_host_vport_create(struct device *dev, struct device_attribute *attr, 1707ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) 1708a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1709ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 1710a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport_identifiers vid; 1711a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport *vport; 1712a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned int cnt=count; 1713a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart int stat; 1714a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1715a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart memset(&vid, 0, sizeof(vid)); 1716a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1717a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* count may include a LF at end of string */ 1718a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (buf[cnt-1] == '\n') 1719a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart cnt--; 1720a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1721a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* validate we have enough characters for WWPN */ 1722a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if ((cnt != (16+1+16)) || (buf[16] != ':')) 1723a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; 1724a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1725a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = fc_parse_wwn(&buf[0], &vid.port_name); 1726a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (stat) 1727a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat; 1728a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1729a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = fc_parse_wwn(&buf[17], &vid.node_name); 1730a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (stat) 1731a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat; 1732a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1733a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vid.roles = FC_PORT_ROLE_FCP_INITIATOR; 1734a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vid.vport_type = FC_PORTTYPE_NPIV; 1735a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* vid.symbolic_name is already zero/NULL's */ 1736a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vid.disable = false; /* always enabled */ 1737a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1738a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* we only allow support on Channel 0 !!! */ 1739a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez stat = fc_vport_setup(shost, 0, &shost->shost_gendev, &vid, &vport); 1740a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat ? stat : count; 1741a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1742ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL, 1743a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart store_fc_host_vport_create); 1744a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1745a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1746a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/* 1747a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * "Short-cut" sysfs variable to delete a vport on a FC Host. 1748a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Vport is identified by a string containing "<WWPN>:<WWNN>". 1749a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * The WWNs are specified as hex characters, and may *not* contain 1750a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * any prefixes (e.g. 0x, x, etc) 1751a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 1752a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic ssize_t 1753ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstore_fc_host_vport_delete(struct device *dev, struct device_attribute *attr, 1754ee959b00c335d7780136c5abda37809191fe52c3Tony Jones const char *buf, size_t count) 1755a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1756ee959b00c335d7780136c5abda37809191fe52c3Tony Jones struct Scsi_Host *shost = transport_class_to_shost(dev); 1757a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 1758a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport *vport; 1759a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart u64 wwpn, wwnn; 1760a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned long flags; 1761a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned int cnt=count; 1762a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart int stat, match; 1763a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1764a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* count may include a LF at end of string */ 1765a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (buf[cnt-1] == '\n') 1766a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart cnt--; 1767a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1768a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* validate we have enough characters for WWPN */ 1769a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if ((cnt != (16+1+16)) || (buf[16] != ':')) 1770a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EINVAL; 1771a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1772a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = fc_parse_wwn(&buf[0], &wwpn); 1773a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (stat) 1774a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat; 1775a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1776a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = fc_parse_wwn(&buf[17], &wwnn); 1777a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (stat) 1778a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat; 1779a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1780a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_lock_irqsave(shost->host_lock, flags); 1781a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart match = 0; 1782a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* we only allow support on Channel 0 !!! */ 1783a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart list_for_each_entry(vport, &fc_host->vports, peers) { 1784a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if ((vport->channel == 0) && 1785a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart (vport->port_name == wwpn) && (vport->node_name == wwnn)) { 1786a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart match = 1; 1787a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart break; 1788a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 1789a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 1790a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 1791a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1792a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (!match) 1793a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -ENODEV; 1794a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1795a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = fc_vport_terminate(vport); 1796a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat ? stat : count; 1797a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1798ee959b00c335d7780136c5abda37809191fe52c3Tony Jonesstatic FC_DEVICE_ATTR(host, vport_delete, S_IWUSR, NULL, 1799a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart store_fc_host_vport_delete); 1800a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1801a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 18021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int fc_host_match(struct attribute_container *cont, 18031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct device *dev) 18041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost; 18061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i; 18071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!scsi_is_host_device(dev)) 18091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 18101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds shost = dev_to_shost(dev); 18121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!shost->transportt || shost->transportt->host_attrs.ac.class 18131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds != &fc_host_class.class) 18141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 18151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = to_fc_internal(shost->transportt); 18171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return &i->t.host_attrs.ac == cont; 18191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int fc_target_match(struct attribute_container *cont, 18221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct device *dev) 18231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost; 18251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i; 18261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!scsi_is_target_device(dev)) 18281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 18291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds shost = dev_to_shost(dev->parent); 18311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!shost->transportt || shost->transportt->host_attrs.ac.class 18321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds != &fc_host_class.class) 18331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 18341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = to_fc_internal(shost->transportt); 18361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return &i->t.target_attrs.ac == cont; 18381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void fc_rport_dev_release(struct device *dev) 18411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_rport *rport = dev_to_rport(dev); 18431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds put_device(dev->parent); 18441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(rport); 18451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint scsi_is_fc_rport(const struct device *dev) 18481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return dev->release == fc_rport_dev_release; 18501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(scsi_is_fc_rport); 18521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int fc_rport_match(struct attribute_container *cont, 18541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct device *dev) 18551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost; 18571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i; 18581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!scsi_is_fc_rport(dev)) 18601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 18611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds shost = dev_to_shost(dev->parent); 18631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!shost->transportt || shost->transportt->host_attrs.ac.class 18641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds != &fc_host_class.class) 18651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 18661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = to_fc_internal(shost->transportt); 18681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return &i->rport_attr_cont.ac == cont; 18701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18725c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com 1873a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic void fc_vport_dev_release(struct device *dev) 1874a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1875a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport *vport = dev_to_vport(dev); 1876a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart put_device(dev->parent); /* release kobj parent */ 1877a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart kfree(vport); 1878a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1879a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1880a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartint scsi_is_fc_vport(const struct device *dev) 1881a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1882a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return dev->release == fc_vport_dev_release; 1883a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1884a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James SmartEXPORT_SYMBOL(scsi_is_fc_vport); 1885a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1886a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic int fc_vport_match(struct attribute_container *cont, 1887a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct device *dev) 1888a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 1889a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport *vport; 1890a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct Scsi_Host *shost; 1891a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_internal *i; 1892a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1893a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (!scsi_is_fc_vport(dev)) 1894a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return 0; 1895a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport = dev_to_vport(dev); 1896a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1897a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart shost = vport_to_shost(vport); 1898a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (!shost->transportt || shost->transportt->host_attrs.ac.class 1899a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart != &fc_host_class.class) 1900a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return 0; 1901a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1902a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i = to_fc_internal(shost->transportt); 1903a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return &i->vport_attr_cont.ac == cont; 1904a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 1905a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1906a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 1907c829c394165f981d49f05a9be228404d7a9398d4James Smart/** 1908c829c394165f981d49f05a9be228404d7a9398d4James Smart * fc_timed_out - FC Transport I/O timeout intercept handler 1909c829c394165f981d49f05a9be228404d7a9398d4James Smart * @scmd: The SCSI command which timed out 1910c829c394165f981d49f05a9be228404d7a9398d4James Smart * 1911c829c394165f981d49f05a9be228404d7a9398d4James Smart * This routine protects against error handlers getting invoked while a 1912c829c394165f981d49f05a9be228404d7a9398d4James Smart * rport is in a blocked state, typically due to a temporarily loss of 1913c829c394165f981d49f05a9be228404d7a9398d4James Smart * connectivity. If the error handlers are allowed to proceed, requests 1914c829c394165f981d49f05a9be228404d7a9398d4James Smart * to abort i/o, reset the target, etc will likely fail as there is no way 1915c829c394165f981d49f05a9be228404d7a9398d4James Smart * to communicate with the device to perform the requested function. These 1916c829c394165f981d49f05a9be228404d7a9398d4James Smart * failures may result in the midlayer taking the device offline, requiring 1917c829c394165f981d49f05a9be228404d7a9398d4James Smart * manual intervention to restore operation. 1918c829c394165f981d49f05a9be228404d7a9398d4James Smart * 1919c829c394165f981d49f05a9be228404d7a9398d4James Smart * This routine, called whenever an i/o times out, validates the state of 1920c829c394165f981d49f05a9be228404d7a9398d4James Smart * the underlying rport. If the rport is blocked, it returns 1921c829c394165f981d49f05a9be228404d7a9398d4James Smart * EH_RESET_TIMER, which will continue to reschedule the timeout. 1922c829c394165f981d49f05a9be228404d7a9398d4James Smart * Eventually, either the device will return, or devloss_tmo will fire, 1923c829c394165f981d49f05a9be228404d7a9398d4James Smart * and when the timeout then fires, it will be handled normally. 1924c829c394165f981d49f05a9be228404d7a9398d4James Smart * If the rport is not blocked, normal error handling continues. 1925c829c394165f981d49f05a9be228404d7a9398d4James Smart * 1926c829c394165f981d49f05a9be228404d7a9398d4James Smart * Notes: 1927c829c394165f981d49f05a9be228404d7a9398d4James Smart * This routine assumes no locks are held on entry. 1928eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 1929242f9dcb8ba6f68fcd217a119a7648a4f69290e9Jens Axboestatic enum blk_eh_timer_return 1930c829c394165f981d49f05a9be228404d7a9398d4James Smartfc_timed_out(struct scsi_cmnd *scmd) 1931c829c394165f981d49f05a9be228404d7a9398d4James Smart{ 1932c829c394165f981d49f05a9be228404d7a9398d4James Smart struct fc_rport *rport = starget_to_rport(scsi_target(scmd->device)); 1933c829c394165f981d49f05a9be228404d7a9398d4James Smart 1934c829c394165f981d49f05a9be228404d7a9398d4James Smart if (rport->port_state == FC_PORTSTATE_BLOCKED) 1935242f9dcb8ba6f68fcd217a119a7648a4f69290e9Jens Axboe return BLK_EH_RESET_TIMER; 1936c829c394165f981d49f05a9be228404d7a9398d4James Smart 1937242f9dcb8ba6f68fcd217a119a7648a4f69290e9Jens Axboe return BLK_EH_NOT_HANDLED; 1938c829c394165f981d49f05a9be228404d7a9398d4James Smart} 1939c829c394165f981d49f05a9be228404d7a9398d4James Smart 19405c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com/* 1941bda232531f0c117921690ee3c060953c8f12e5a1James Smart * Called by fc_user_scan to locate an rport on the shost that 1942bda232531f0c117921690ee3c060953c8f12e5a1James Smart * matches the channel and target id, and invoke scsi_scan_target() 1943bda232531f0c117921690ee3c060953c8f12e5a1James Smart * on the rport. 19445c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com */ 1945bda232531f0c117921690ee3c060953c8f12e5a1James Smartstatic void 1946bda232531f0c117921690ee3c060953c8f12e5a1James Smartfc_user_scan_tgt(struct Scsi_Host *shost, uint channel, uint id, uint lun) 19475c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com{ 19485c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com struct fc_rport *rport; 1949bda232531f0c117921690ee3c060953c8f12e5a1James Smart unsigned long flags; 1950bda232531f0c117921690ee3c060953c8f12e5a1James Smart 1951bda232531f0c117921690ee3c060953c8f12e5a1James Smart spin_lock_irqsave(shost->host_lock, flags); 19525c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com 1953e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig list_for_each_entry(rport, &fc_host_rports(shost), peers) { 1954e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig if (rport->scsi_target_id == -1) 1955e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig continue; 19565c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com 19570d2fcd9f9858a34f7056b3b1cb60ce0f883d06b6Hannes Reinecke if (rport->port_state != FC_PORTSTATE_ONLINE) 19580d2fcd9f9858a34f7056b3b1cb60ce0f883d06b6Hannes Reinecke continue; 19590d2fcd9f9858a34f7056b3b1cb60ce0f883d06b6Hannes Reinecke 1960bda232531f0c117921690ee3c060953c8f12e5a1James Smart if ((channel == rport->channel) && 1961bda232531f0c117921690ee3c060953c8f12e5a1James Smart (id == rport->scsi_target_id)) { 1962bda232531f0c117921690ee3c060953c8f12e5a1James Smart spin_unlock_irqrestore(shost->host_lock, flags); 1963bda232531f0c117921690ee3c060953c8f12e5a1James Smart scsi_scan_target(&rport->dev, channel, id, lun, 1); 1964bda232531f0c117921690ee3c060953c8f12e5a1James Smart return; 1965e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig } 1966e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig } 1967e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig 1968bda232531f0c117921690ee3c060953c8f12e5a1James Smart spin_unlock_irqrestore(shost->host_lock, flags); 1969bda232531f0c117921690ee3c060953c8f12e5a1James Smart} 1970bda232531f0c117921690ee3c060953c8f12e5a1James Smart 1971bda232531f0c117921690ee3c060953c8f12e5a1James Smart/* 1972bda232531f0c117921690ee3c060953c8f12e5a1James Smart * Called via sysfs scan routines. Necessary, as the FC transport 1973bda232531f0c117921690ee3c060953c8f12e5a1James Smart * wants to place all target objects below the rport object. So this 1974bda232531f0c117921690ee3c060953c8f12e5a1James Smart * routine must invoke the scsi_scan_target() routine with the rport 1975bda232531f0c117921690ee3c060953c8f12e5a1James Smart * object as the parent. 1976bda232531f0c117921690ee3c060953c8f12e5a1James Smart */ 1977bda232531f0c117921690ee3c060953c8f12e5a1James Smartstatic int 1978bda232531f0c117921690ee3c060953c8f12e5a1James Smartfc_user_scan(struct Scsi_Host *shost, uint channel, uint id, uint lun) 1979bda232531f0c117921690ee3c060953c8f12e5a1James Smart{ 1980bda232531f0c117921690ee3c060953c8f12e5a1James Smart uint chlo, chhi; 1981bda232531f0c117921690ee3c060953c8f12e5a1James Smart uint tgtlo, tgthi; 1982bda232531f0c117921690ee3c060953c8f12e5a1James Smart 1983bda232531f0c117921690ee3c060953c8f12e5a1James Smart if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) || 1984bda232531f0c117921690ee3c060953c8f12e5a1James Smart ((id != SCAN_WILD_CARD) && (id >= shost->max_id)) || 1985bda232531f0c117921690ee3c060953c8f12e5a1James Smart ((lun != SCAN_WILD_CARD) && (lun > shost->max_lun))) 1986bda232531f0c117921690ee3c060953c8f12e5a1James Smart return -EINVAL; 1987bda232531f0c117921690ee3c060953c8f12e5a1James Smart 1988bda232531f0c117921690ee3c060953c8f12e5a1James Smart if (channel == SCAN_WILD_CARD) { 1989bda232531f0c117921690ee3c060953c8f12e5a1James Smart chlo = 0; 1990bda232531f0c117921690ee3c060953c8f12e5a1James Smart chhi = shost->max_channel + 1; 1991bda232531f0c117921690ee3c060953c8f12e5a1James Smart } else { 1992bda232531f0c117921690ee3c060953c8f12e5a1James Smart chlo = channel; 1993bda232531f0c117921690ee3c060953c8f12e5a1James Smart chhi = channel + 1; 1994bda232531f0c117921690ee3c060953c8f12e5a1James Smart } 1995bda232531f0c117921690ee3c060953c8f12e5a1James Smart 1996bda232531f0c117921690ee3c060953c8f12e5a1James Smart if (id == SCAN_WILD_CARD) { 1997bda232531f0c117921690ee3c060953c8f12e5a1James Smart tgtlo = 0; 1998bda232531f0c117921690ee3c060953c8f12e5a1James Smart tgthi = shost->max_id; 1999bda232531f0c117921690ee3c060953c8f12e5a1James Smart } else { 2000bda232531f0c117921690ee3c060953c8f12e5a1James Smart tgtlo = id; 2001bda232531f0c117921690ee3c060953c8f12e5a1James Smart tgthi = id + 1; 2002bda232531f0c117921690ee3c060953c8f12e5a1James Smart } 2003bda232531f0c117921690ee3c060953c8f12e5a1James Smart 2004bda232531f0c117921690ee3c060953c8f12e5a1James Smart for ( ; chlo < chhi; chlo++) 2005bda232531f0c117921690ee3c060953c8f12e5a1James Smart for ( ; tgtlo < tgthi; tgtlo++) 2006bda232531f0c117921690ee3c060953c8f12e5a1James Smart fc_user_scan_tgt(shost, chlo, tgtlo, lun); 2007bda232531f0c117921690ee3c060953c8f12e5a1James Smart 2008e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig return 0; 20095c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com} 20105c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com 20117525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonoristatic int fc_tsk_mgmt_response(struct Scsi_Host *shost, u64 nexus, u64 tm_id, 20127525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori int result) 20137525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori{ 20147525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori struct fc_internal *i = to_fc_internal(shost->transportt); 20157525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori return i->f->tsk_mgmt_response(shost, nexus, tm_id, result); 20167525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori} 20177525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori 20187525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonoristatic int fc_it_nexus_response(struct Scsi_Host *shost, u64 nexus, int result) 20197525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori{ 20207525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori struct fc_internal *i = to_fc_internal(shost->transportt); 20217525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori return i->f->it_nexus_response(shost, nexus, result); 20227525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori} 20237525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori 20241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct scsi_transport_template * 20251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_attach_transport(struct fc_function_template *ft) 20261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 20271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int count; 202824669f75a3231fa37444977c92d1f4838bec1233Jes Sorensen struct fc_internal *i = kzalloc(sizeof(struct fc_internal), 202924669f75a3231fa37444977c92d1f4838bec1233Jes Sorensen GFP_KERNEL); 20301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (unlikely(!i)) 20321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 20331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.target_attrs.ac.attrs = &i->starget_attrs[0]; 20351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.target_attrs.ac.class = &fc_transport_class.class; 20361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.target_attrs.ac.match = fc_target_match; 20371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.target_size = sizeof(struct fc_starget_attrs); 20381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_container_register(&i->t.target_attrs); 20391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.host_attrs.ac.attrs = &i->host_attrs[0]; 20411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.host_attrs.ac.class = &fc_host_class.class; 20421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.host_attrs.ac.match = fc_host_match; 20431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.host_size = sizeof(struct fc_host_attrs); 20441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ft->get_fc_host_stats) 20451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.host_attrs.statistics = &fc_statistics_group; 20461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_container_register(&i->t.host_attrs); 20471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->rport_attr_cont.ac.attrs = &i->rport_attrs[0]; 20491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->rport_attr_cont.ac.class = &fc_rport_class.class; 20501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->rport_attr_cont.ac.match = fc_rport_match; 20511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_container_register(&i->rport_attr_cont); 20521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2053a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attr_cont.ac.attrs = &i->vport_attrs[0]; 2054a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attr_cont.ac.class = &fc_vport_class.class; 2055a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attr_cont.ac.match = fc_vport_match; 2056a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_container_register(&i->vport_attr_cont); 2057a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 20581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->f = ft; 20591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Transport uses the shost workq for scsi scanning */ 20611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->t.create_work_queue = 1; 20625c44cd2afad3f7b015542187e147a820600172f1James.Smart@Emulex.Com 2063c829c394165f981d49f05a9be228404d7a9398d4James Smart i->t.eh_timed_out = fc_timed_out; 2064c829c394165f981d49f05a9be228404d7a9398d4James Smart 2065e02f3f59225d8c3b2a0ad0dc941a09865e27da61Christoph Hellwig i->t.user_scan = fc_user_scan; 20669ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart 20677525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori /* target-mode drivers' functions */ 20687525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori i->t.tsk_mgmt_response = fc_tsk_mgmt_response; 20697525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori i->t.it_nexus_response = fc_it_nexus_response; 20707525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori 20711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 20721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Setup SCSI Target Attributes. 20731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 20741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = 0; 20751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_STARGET_ATTRIBUTE_RD(node_name); 20761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_STARGET_ATTRIBUTE_RD(port_name); 20771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_STARGET_ATTRIBUTE_RD(port_id); 20781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(count > FC_STARGET_NUM_ATTRS); 20801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->starget_attrs[count] = NULL; 20821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 20851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Setup SCSI Host Attributes. 20861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 20871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count=0; 20881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(node_name); 20891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(port_name); 20906b7281d0a0f8f99d39808088a036459f6f7906a6Andreas Herrmann SETUP_HOST_ATTRIBUTE_RD(permanent_port_name); 20911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(supported_classes); 20921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(supported_fc4s); 20931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(supported_speeds); 20941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(maxframe_size); 2095a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (ft->vport_create) { 2096a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_HOST_ATTRIBUTE_RD_NS(max_npiv_vports); 2097a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_HOST_ATTRIBUTE_RD_NS(npiv_vports_inuse); 2098a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 20991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(serial_number); 21001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(port_id); 21021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(port_type); 21031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(port_state); 21041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(active_fc4s); 21051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(speed); 21061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_HOST_ATTRIBUTE_RD(fabric_name); 2107016131b8fffa1085b4ad165ab228116fdc278ebeJames Smart SETUP_HOST_ATTRIBUTE_RD(symbolic_name); 2108b8d08210126a7b769b857720a59721a453a57a1eJames Smart SETUP_HOST_ATTRIBUTE_RW(system_hostname); 21091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Transport-managed attributes */ 21111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_PRIVATE_HOST_ATTRIBUTE_RW(tgtid_bind_type); 211291ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez if (ft->issue_fc_host_lip) 211391ca7b01ecc916632202180569a7ddbfccfc3f05Andrew Vasquez SETUP_PRIVATE_HOST_ATTRIBUTE_RW(issue_lip); 2114a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (ft->vport_create) 2115a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_HOST_ATTRIBUTE_RW(vport_create); 2116a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (ft->vport_delete) 2117a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_HOST_ATTRIBUTE_RW(vport_delete); 21181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(count > FC_HOST_NUM_ATTRS); 21201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->host_attrs[count] = NULL; 21221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 21241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Setup Remote Port Attributes. 21251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 21261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count=0; 21271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_RPORT_ATTRIBUTE_RD(maxframe_size); 21281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_RPORT_ATTRIBUTE_RD(supported_classes); 21291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_RPORT_ATTRIBUTE_RW(dev_loss_tmo); 21301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(node_name); 21311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_name); 21321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_id); 21331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(roles); 21341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_state); 21351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(scsi_target_id); 2136fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo); 21371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BUG_ON(count > FC_RPORT_NUM_ATTRS); 21391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i->rport_attrs[count] = NULL; 21411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2142a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* 2143a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Setup Virtual Port Attributes. 2144a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 2145a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart count=0; 2146a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(vport_state); 2147a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(vport_last_state); 2148a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(node_name); 2149a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(port_name); 2150a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(roles); 2151a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(vport_type); 2152a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_VPORT_ATTRIBUTE_RW(symbolic_name); 2153a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_VPORT_ATTRIBUTE_WR(vport_delete); 2154a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart SETUP_VPORT_ATTRIBUTE_WR(vport_disable); 2155a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 2156a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart BUG_ON(count > FC_VPORT_NUM_ATTRS); 2157a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 2158a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart i->vport_attrs[count] = NULL; 2159a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 21601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return &i->t; 21611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 21621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(fc_attach_transport); 21631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid fc_release_transport(struct scsi_transport_template *t) 21651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 21661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *i = to_fc_internal(t); 21671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_container_unregister(&i->t.target_attrs); 21691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_container_unregister(&i->t.host_attrs); 21701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_container_unregister(&i->rport_attr_cont); 2171a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_container_unregister(&i->vport_attr_cont); 21721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(i); 21741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 21751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(fc_release_transport); 21761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2177aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart/** 2178aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * fc_queue_work - Queue work to the fc_host workqueue. 2179aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * @shost: Pointer to Scsi_Host bound to fc_host. 2180aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * @work: Work to queue for execution. 2181aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * 2182aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * Return value: 2183a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart * 1 - work queued for execution 2184a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart * 0 - work is already queued 2185a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart * -EINVAL - work queue doesn't exist 2186eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 2187aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartstatic int 2188aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartfc_queue_work(struct Scsi_Host *shost, struct work_struct *work) 2189aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart{ 2190aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (unlikely(!fc_host_work_q(shost))) { 2191aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart printk(KERN_ERR 2192aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "ERROR: FC host '%s' attempted to queue work, " 2193aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "when no workqueue created.\n", shost->hostt->name); 2194aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart dump_stack(); 2195aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2196aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return -EINVAL; 2197aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 2198aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2199aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return queue_work(fc_host_work_q(shost), work); 2200aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart} 2201aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2202aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart/** 2203aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * fc_flush_work - Flush a fc_host's workqueue. 2204aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * @shost: Pointer to Scsi_Host bound to fc_host. 2205eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 2206aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartstatic void 2207aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartfc_flush_work(struct Scsi_Host *shost) 2208aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart{ 2209aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (!fc_host_work_q(shost)) { 2210aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart printk(KERN_ERR 2211aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "ERROR: FC host '%s' attempted to flush work, " 2212aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "when no workqueue created.\n", shost->hostt->name); 2213aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart dump_stack(); 2214aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return; 2215aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 2216aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2217aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart flush_workqueue(fc_host_work_q(shost)); 2218aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart} 2219aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2220aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart/** 2221aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * fc_queue_devloss_work - Schedule work for the fc_host devloss workqueue. 2222aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * @shost: Pointer to Scsi_Host bound to fc_host. 2223aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * @work: Work to queue for execution. 2224aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * @delay: jiffies to delay the work queuing 2225aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * 2226aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * Return value: 22270f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart * 1 on success / 0 already queued / < 0 for error 2228eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 2229aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartstatic int 2230c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsfc_queue_devloss_work(struct Scsi_Host *shost, struct delayed_work *work, 2231aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart unsigned long delay) 2232aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart{ 2233aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (unlikely(!fc_host_devloss_work_q(shost))) { 2234aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart printk(KERN_ERR 2235aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "ERROR: FC host '%s' attempted to queue work, " 2236aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "when no workqueue created.\n", shost->hostt->name); 2237aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart dump_stack(); 2238aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2239aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return -EINVAL; 2240aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 2241aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2242aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return queue_delayed_work(fc_host_devloss_work_q(shost), work, delay); 2243aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart} 2244aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2245aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart/** 2246aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * fc_flush_devloss - Flush a fc_host's devloss workqueue. 2247aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * @shost: Pointer to Scsi_Host bound to fc_host. 2248eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 2249aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartstatic void 2250aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartfc_flush_devloss(struct Scsi_Host *shost) 2251aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart{ 2252aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (!fc_host_devloss_work_q(shost)) { 2253aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart printk(KERN_ERR 2254aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "ERROR: FC host '%s' attempted to flush work, " 2255aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "when no workqueue created.\n", shost->hostt->name); 2256aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart dump_stack(); 2257aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart return; 2258aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 2259aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2260aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart flush_workqueue(fc_host_devloss_work_q(shost)); 2261aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart} 2262aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 22631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 2265eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * fc_remove_host - called to terminate any fc_transport-related elements for a scsi host. 2266eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * @shost: Which &Scsi_Host 22671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine is expected to be called immediately preceeding the 22691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a driver's call to scsi_remove_host(). 22701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * WARNING: A driver utilizing the fc_transport, which fails to call 2272eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * this routine prior to scsi_remove_host(), will leave dangling 22731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * objects in /sys/class/fc_remote_ports. Access to any of these 22741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * objects can result in a system crash !!! 22751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 22761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Notes: 22771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine assumes no locks are held on entry. 2278eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 22791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 22801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_remove_host(struct Scsi_Host *shost) 22811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2282a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport *vport = NULL, *next_vport = NULL; 2283a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_rport *rport = NULL, *next_rport = NULL; 2284aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct workqueue_struct *work_q; 2285aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 2286a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned long flags; 2287a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 2288a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_lock_irqsave(shost->host_lock, flags); 2289a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 2290a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* Remove any vports */ 22919ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers) 22929ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart fc_queue_work(shost, &vport->vport_delete_work); 22931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Remove any remote ports */ 22951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds list_for_each_entry_safe(rport, next_rport, 2296aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart &fc_host->rports, peers) { 2297aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_del(&rport->peers); 2298aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->port_state = FC_PORTSTATE_DELETED; 2299aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_queue_work(shost, &rport->rport_delete_work); 2300aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 2301aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 23021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds list_for_each_entry_safe(rport, next_rport, 2303aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart &fc_host->rport_bindings, peers) { 2304aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_del(&rport->peers); 2305aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->port_state = FC_PORTSTATE_DELETED; 2306aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_queue_work(shost, &rport->rport_delete_work); 2307aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 2308aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2309a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 2310a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 2311aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart /* flush all scan work items */ 2312aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart scsi_flush_work(shost); 2313aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2314aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart /* flush all stgt delete, and rport delete work items, then kill it */ 2315aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (fc_host->work_q) { 2316aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart work_q = fc_host->work_q; 2317aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->work_q = NULL; 2318aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart destroy_workqueue(work_q); 2319aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 2320aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2321aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart /* flush all devloss work items, then kill it */ 2322aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (fc_host->devloss_work_q) { 2323aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart work_q = fc_host->devloss_work_q; 2324aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_host->devloss_work_q = NULL; 2325aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart destroy_workqueue(work_q); 2326aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 23271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 23281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(fc_remove_host); 23291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2330fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christiestatic void fc_terminate_rport_io(struct fc_rport *rport) 2331fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie{ 2332fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie struct Scsi_Host *shost = rport_to_shost(rport); 2333fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie struct fc_internal *i = to_fc_internal(shost->transportt); 2334fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie 2335fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie /* Involve the LLDD if possible to terminate all io on the rport. */ 2336fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie if (i->f->terminate_rport_io) 2337fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie i->f->terminate_rport_io(rport); 2338fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie 2339fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie /* 2340fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie * must unblock to flush queued IO. The caller will have set 2341fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie * the port_state or flags, so that fc_remote_port_chkready will 2342fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie * fail IO. 2343fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie */ 2344fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie scsi_target_unblock(&rport->dev); 2345fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie} 2346aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2347aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart/** 2348aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * fc_starget_delete - called to delete the scsi decendents of an rport 2349c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells * @work: remote port to be operated on. 2350eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * 2351eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * Deletes target and all sdevs. 2352eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 235319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Comstatic void 2354c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsfc_starget_delete(struct work_struct *work) 235519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com{ 2356c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells struct fc_rport *rport = 2357c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells container_of(work, struct fc_rport, stgt_delete_work); 235819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 2359fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie fc_terminate_rport_io(rport); 236019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com scsi_remove_target(&rport->dev); 236119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com} 236219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 2363aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2364aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart/** 2365aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * fc_rport_final_delete - finish rport termination and delete it. 2366c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells * @work: remote port to be deleted. 2367eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 2368aedf349773e5877d716a89368d512b9baa3e8c7bJames Smartstatic void 2369c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsfc_rport_final_delete(struct work_struct *work) 2370aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart{ 2371c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells struct fc_rport *rport = 2372c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells container_of(work, struct fc_rport, rport_delete_work); 2373aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct device *dev = &rport->dev; 2374aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct Scsi_Host *shost = rport_to_shost(rport); 23750f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart struct fc_internal *i = to_fc_internal(shost->transportt); 237692740b24ce6ddac6534fae985aab602548692186James Smart unsigned long flags; 2377aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2378aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart /* 23799ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart * if a scan is pending, flush the SCSI Host work_q so that 2380aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * that we can reclaim the rport scan work element. 2381aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart */ 2382aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (rport->flags & FC_RPORT_SCAN_PENDING) 2383aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart scsi_flush_work(shost); 2384aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2385fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie fc_terminate_rport_io(rport); 238692740b24ce6ddac6534fae985aab602548692186James Smart /* 238792740b24ce6ddac6534fae985aab602548692186James Smart * Cancel any outstanding timers. These should really exist 238892740b24ce6ddac6534fae985aab602548692186James Smart * only when rmmod'ing the LLDD and we're asking for 238992740b24ce6ddac6534fae985aab602548692186James Smart * immediate termination of the rports 239092740b24ce6ddac6534fae985aab602548692186James Smart */ 239192740b24ce6ddac6534fae985aab602548692186James Smart spin_lock_irqsave(shost->host_lock, flags); 239292740b24ce6ddac6534fae985aab602548692186James Smart if (rport->flags & FC_RPORT_DEVLOSS_PENDING) { 239392740b24ce6ddac6534fae985aab602548692186James Smart spin_unlock_irqrestore(shost->host_lock, flags); 239492740b24ce6ddac6534fae985aab602548692186James Smart if (!cancel_delayed_work(&rport->fail_io_work)) 239592740b24ce6ddac6534fae985aab602548692186James Smart fc_flush_devloss(shost); 239692740b24ce6ddac6534fae985aab602548692186James Smart if (!cancel_delayed_work(&rport->dev_loss_work)) 239792740b24ce6ddac6534fae985aab602548692186James Smart fc_flush_devloss(shost); 239892740b24ce6ddac6534fae985aab602548692186James Smart spin_lock_irqsave(shost->host_lock, flags); 239992740b24ce6ddac6534fae985aab602548692186James Smart rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; 240092740b24ce6ddac6534fae985aab602548692186James Smart } 240192740b24ce6ddac6534fae985aab602548692186James Smart spin_unlock_irqrestore(shost->host_lock, flags); 240292740b24ce6ddac6534fae985aab602548692186James Smart 24030f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart /* Delete SCSI target and sdevs */ 24040f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (rport->scsi_target_id != -1) 2405c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells fc_starget_delete(&rport->stgt_delete_work); 240692740b24ce6ddac6534fae985aab602548692186James Smart 240792740b24ce6ddac6534fae985aab602548692186James Smart /* 240892740b24ce6ddac6534fae985aab602548692186James Smart * Notify the driver that the rport is now dead. The LLDD will 240992740b24ce6ddac6534fae985aab602548692186James Smart * also guarantee that any communication to the rport is terminated 241092740b24ce6ddac6534fae985aab602548692186James Smart */ 241192740b24ce6ddac6534fae985aab602548692186James Smart if (i->f->dev_loss_tmo_callbk) 24120f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart i->f->dev_loss_tmo_callbk(rport); 24130f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 2414aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart transport_remove_device(dev); 2415aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart device_del(dev); 2416aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart transport_destroy_device(dev); 24173bdad7bd253f17ead00b4af2e82f84e9522c95acJames Smart put_device(&shost->shost_gendev); /* for fc_host->rport list */ 24183bdad7bd253f17ead00b4af2e82f84e9522c95acJames Smart put_device(dev); /* for self-reference */ 2419aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart} 2420aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2421aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 24221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 24231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * fc_rport_create - allocates and creates a remote FC port. 24241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @shost: scsi host the remote port is connected to. 24251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @channel: Channel on shost port connected to. 24261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @ids: The world wide names, fc address, and FC4 port 24271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * roles for the remote port. 24281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 24291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Allocates and creates the remoter port structure, including the 24301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * class and sysfs creation. 24311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 24321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Notes: 24331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine assumes no locks are held on entry. 2434eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 243544818efbad185eea75adad0e8cab97650a7370abAdrian Bunkstatic struct fc_rport * 24361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_rport_create(struct Scsi_Host *shost, int channel, 24371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_rport_identifiers *ids) 24381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2439aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 24401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_internal *fci = to_fc_internal(shost->transportt); 24411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_rport *rport; 24421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct device *dev; 24431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 24441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 24451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t size; 24461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = (sizeof(struct fc_rport) + fci->f->dd_fcrport_size); 244824669f75a3231fa37444977c92d1f4838bec1233Jes Sorensen rport = kzalloc(size, GFP_KERNEL); 24491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (unlikely(!rport)) { 2450cadbd4a5e36dde7e6c49b587b2c419103c0b7218Harvey Harrison printk(KERN_ERR "%s: allocation failure\n", __func__); 24511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 24521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 24531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->maxframe_size = -1; 24551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->supported_classes = FC_COS_UNSPECIFIED; 24561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->dev_loss_tmo = fc_dev_loss_tmo; 24571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&rport->node_name, &ids->node_name, sizeof(rport->node_name)); 24581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&rport->port_name, &ids->port_name, sizeof(rport->port_name)); 24591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->port_id = ids->port_id; 24601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->roles = ids->roles; 24611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->port_state = FC_PORTSTATE_ONLINE; 24621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (fci->f->dd_fcrport_size) 24631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->dd_data = &rport[1]; 24641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->channel = channel; 24650f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart rport->fast_io_fail_tmo = -1; 24661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2467c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells INIT_DELAYED_WORK(&rport->dev_loss_work, fc_timeout_deleted_rport); 2468c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells INIT_DELAYED_WORK(&rport->fail_io_work, fc_timeout_fail_rport_io); 2469c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells INIT_WORK(&rport->scan_work, fc_scsi_scan_rport); 2470c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells INIT_WORK(&rport->stgt_delete_work, fc_starget_delete); 2471c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells INIT_WORK(&rport->rport_delete_work, fc_rport_final_delete); 24721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(shost->host_lock, flags); 24741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->number = fc_host->next_rport_number++; 2476a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (rport->roles & FC_PORT_ROLE_FCP_TARGET) 24771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->scsi_target_id = fc_host->next_target_id++; 24781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 24791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->scsi_target_id = -1; 2480aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_add_tail(&rport->peers, &fc_host->rports); 24813bdad7bd253f17ead00b4af2e82f84e9522c95acJames Smart get_device(&shost->shost_gendev); /* for fc_host->rport list */ 24821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(shost->host_lock, flags); 24841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev = &rport->dev; 24863bdad7bd253f17ead00b4af2e82f84e9522c95acJames Smart device_initialize(dev); /* takes self reference */ 24873bdad7bd253f17ead00b4af2e82f84e9522c95acJames Smart dev->parent = get_device(&shost->shost_gendev); /* parent reference */ 24881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->release = fc_rport_dev_release; 24891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sprintf(dev->bus_id, "rport-%d:%d-%d", 24901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds shost->host_no, channel, rport->number); 24911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_setup_device(dev); 24921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = device_add(dev); 24941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (error) { 24951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "FC Remote Port device_add failed\n"); 24961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto delete_rport; 24971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 24981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_add_device(dev); 24991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_configure_device(dev); 25001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2501a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (rport->roles & FC_PORT_ROLE_FCP_TARGET) { 25021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* initiate a scan of the target */ 2503aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->flags |= FC_RPORT_SCAN_PENDING; 25041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds scsi_queue_work(shost, &rport->scan_work); 2505aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart } 25061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rport; 25081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdelete_rport: 25101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds transport_destroy_device(dev); 25111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(shost->host_lock, flags); 25121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds list_del(&rport->peers); 25133bdad7bd253f17ead00b4af2e82f84e9522c95acJames Smart put_device(&shost->shost_gendev); /* for fc_host->rport list */ 25141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(shost->host_lock, flags); 25151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds put_device(dev->parent); 25161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(rport); 25171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 25181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 25191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 2521eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * fc_remote_port_add - notify fc transport of the existence of a remote FC port. 25221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @shost: scsi host the remote port is connected to. 25231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @channel: Channel on shost port connected to. 25241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @ids: The world wide names, fc address, and FC4 port 25251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * roles for the remote port. 25261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LLDD calls this routine to notify the transport of the existence 25281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of a remote port. The LLDD provides the unique identifiers (wwpn,wwn) 25291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of the port, it's FC address (port_id), and the FC4 roles that are 25301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * active for the port. 25311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For ports that are FCP targets (aka scsi targets), the FC transport 25331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * maintains consistent target id bindings on behalf of the LLDD. 25341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A consistent target id binding is an assignment of a target id to 25351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a remote port identifier, which persists while the scsi host is 25361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * attached. The remote port can disappear, then later reappear, and 25371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it's target id assignment remains the same. This allows for shifts 25381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in FC addressing (if binding by wwpn or wwnn) with no apparent 25391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * changes to the scsi subsystem which is based on scsi host number and 25401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * target id values. Bindings are only valid during the attachment of 25411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the scsi host. If the host detaches, then later re-attaches, target 25421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * id bindings may change. 25431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine is responsible for returning a remote port structure. 25451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The routine will search the list of remote ports it maintains 25461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * internally on behalf of consistent target id mappings. If found, the 25471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * remote port structure will be reused. Otherwise, a new remote port 25481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * structure will be allocated. 25491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Whenever a remote port is allocated, a new fc_remote_port class 25511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * device is created. 25521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Should not be called from interrupt context. 25541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 25551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Notes: 25561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine assumes no locks are held on entry. 2557eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 25581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct fc_rport * 25591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_remote_port_add(struct Scsi_Host *shost, int channel, 25601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_rport_identifiers *ids) 25611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 256219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com struct fc_internal *fci = to_fc_internal(shost->transportt); 2563aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 25641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fc_rport *rport; 25651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 25661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int match = 0; 25671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2568aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart /* ensure any stgt delete functions are done */ 2569aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_flush_work(shost); 2570aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 257119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* 257219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * Search the list of "active" rports, for an rport that has been 257319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * deleted, but we've held off the real delete while the target 257419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * is in a "blocked" state. 257519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com */ 257619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com spin_lock_irqsave(shost->host_lock, flags); 257719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 2578aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_for_each_entry(rport, &fc_host->rports, peers) { 257919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 258019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if ((rport->port_state == FC_PORTSTATE_BLOCKED) && 258119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com (rport->channel == channel)) { 258219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 2583aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart switch (fc_host->tgtid_bind_type) { 258419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_BY_WWPN: 258519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_NONE: 258619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (rport->port_name == ids->port_name) 258719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com match = 1; 258819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com break; 258919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_BY_WWNN: 259019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (rport->node_name == ids->node_name) 259119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com match = 1; 259219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com break; 259319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_BY_ID: 259419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (rport->port_id == ids->port_id) 259519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com match = 1; 259619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com break; 259719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 259819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 259919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (match) { 260019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 260119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com memcpy(&rport->node_name, &ids->node_name, 260219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com sizeof(rport->node_name)); 260319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com memcpy(&rport->port_name, &ids->port_name, 260419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com sizeof(rport->port_name)); 260519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->port_id = ids->port_id; 260619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 260719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->port_state = FC_PORTSTATE_ONLINE; 260819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->roles = ids->roles; 260919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 261019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com spin_unlock_irqrestore(shost->host_lock, flags); 261119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 261219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (fci->f->dd_fcrport_size) 261319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com memset(rport->dd_data, 0, 261419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com fci->f->dd_fcrport_size); 261519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 261619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* 261792740b24ce6ddac6534fae985aab602548692186James Smart * If we were not a target, cancel the 261892740b24ce6ddac6534fae985aab602548692186James Smart * io terminate and rport timers, and 261992740b24ce6ddac6534fae985aab602548692186James Smart * we're done. 262092740b24ce6ddac6534fae985aab602548692186James Smart * 262192740b24ce6ddac6534fae985aab602548692186James Smart * If we were a target, but our new role 262292740b24ce6ddac6534fae985aab602548692186James Smart * doesn't indicate a target, leave the 262392740b24ce6ddac6534fae985aab602548692186James Smart * timers running expecting the role to 262492740b24ce6ddac6534fae985aab602548692186James Smart * change as the target fully logs in. If 262592740b24ce6ddac6534fae985aab602548692186James Smart * it doesn't, the target will be torn down. 262692740b24ce6ddac6534fae985aab602548692186James Smart * 262792740b24ce6ddac6534fae985aab602548692186James Smart * If we were a target, and our role shows 262892740b24ce6ddac6534fae985aab602548692186James Smart * we're still a target, cancel the timers 262992740b24ce6ddac6534fae985aab602548692186James Smart * and kick off a scan. 263019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com */ 263119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 263292740b24ce6ddac6534fae985aab602548692186James Smart /* was a target, not in roles */ 263392740b24ce6ddac6534fae985aab602548692186James Smart if ((rport->scsi_target_id != -1) && 2634a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart (!(ids->roles & FC_PORT_ROLE_FCP_TARGET))) 263592740b24ce6ddac6534fae985aab602548692186James Smart return rport; 263619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 263719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* 263892740b24ce6ddac6534fae985aab602548692186James Smart * Stop the fail io and dev_loss timers. 263992740b24ce6ddac6534fae985aab602548692186James Smart * If they flush, the port_state will 264092740b24ce6ddac6534fae985aab602548692186James Smart * be checked and will NOOP the function. 264119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com */ 26420f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (!cancel_delayed_work(&rport->fail_io_work)) 26430f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart fc_flush_devloss(shost); 264492740b24ce6ddac6534fae985aab602548692186James Smart if (!cancel_delayed_work(&rport->dev_loss_work)) 2645aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_flush_devloss(shost); 2646aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2647aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_lock_irqsave(shost->host_lock, flags); 2648aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2649fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT | 2650fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie FC_RPORT_DEVLOSS_PENDING); 265119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 265292740b24ce6ddac6534fae985aab602548692186James Smart /* if target, initiate a scan */ 265392740b24ce6ddac6534fae985aab602548692186James Smart if (rport->scsi_target_id != -1) { 265492740b24ce6ddac6534fae985aab602548692186James Smart rport->flags |= FC_RPORT_SCAN_PENDING; 265592740b24ce6ddac6534fae985aab602548692186James Smart scsi_queue_work(shost, 265692740b24ce6ddac6534fae985aab602548692186James Smart &rport->scan_work); 265792740b24ce6ddac6534fae985aab602548692186James Smart spin_unlock_irqrestore(shost->host_lock, 265892740b24ce6ddac6534fae985aab602548692186James Smart flags); 265992740b24ce6ddac6534fae985aab602548692186James Smart scsi_target_unblock(&rport->dev); 266092740b24ce6ddac6534fae985aab602548692186James Smart } else 266192740b24ce6ddac6534fae985aab602548692186James Smart spin_unlock_irqrestore(shost->host_lock, 266292740b24ce6ddac6534fae985aab602548692186James Smart flags); 2663a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart 266419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return rport; 266519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 266619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 266719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 266819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 266992740b24ce6ddac6534fae985aab602548692186James Smart /* 267092740b24ce6ddac6534fae985aab602548692186James Smart * Search the bindings array 267192740b24ce6ddac6534fae985aab602548692186James Smart * Note: if never a FCP target, you won't be on this list 267292740b24ce6ddac6534fae985aab602548692186James Smart */ 2673aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if (fc_host->tgtid_bind_type != FC_TGTID_BIND_NONE) { 26741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* search for a matching consistent binding */ 26761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2677aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_for_each_entry(rport, &fc_host->rport_bindings, 26781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds peers) { 26791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rport->channel != channel) 26801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 26811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2682aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart switch (fc_host->tgtid_bind_type) { 26831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_TGTID_BIND_BY_WWPN: 26841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rport->port_name == ids->port_name) 26851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds match = 1; 26861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 26871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_TGTID_BIND_BY_WWNN: 26881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rport->node_name == ids->node_name) 26891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds match = 1; 26901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 26911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_TGTID_BIND_BY_ID: 26921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rport->port_id == ids->port_id) 26931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds match = 1; 26941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 26951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FC_TGTID_BIND_NONE: /* to keep compiler happy */ 26961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 26971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 26981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 26991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (match) { 2700aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_move_tail(&rport->peers, &fc_host->rports); 27011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 27021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (match) { 27061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&rport->node_name, &ids->node_name, 27071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sizeof(rport->node_name)); 27081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&rport->port_name, &ids->port_name, 27091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sizeof(rport->port_name)); 27101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->port_id = ids->port_id; 27111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->roles = ids->roles; 27121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport->port_state = FC_PORTSTATE_ONLINE; 2713fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT; 27141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 271519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (fci->f->dd_fcrport_size) 271619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com memset(rport->dd_data, 0, 271719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com fci->f->dd_fcrport_size); 271819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 2719a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (rport->roles & FC_PORT_ROLE_FCP_TARGET) { 27201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* initiate a scan of the target */ 2721aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->flags |= FC_RPORT_SCAN_PENDING; 27221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds scsi_queue_work(shost, &rport->scan_work); 2723a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 2724a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart scsi_target_unblock(&rport->dev); 2725a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart } else 2726a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 27271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rport; 27291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 27311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 273219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com spin_unlock_irqrestore(shost->host_lock, flags); 273319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 27341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* No consistent binding found - create new remote port entry */ 27351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rport = fc_rport_create(shost, channel, ids); 27361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rport; 27381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 27391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(fc_remote_port_add); 27401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 2743eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * fc_remote_port_delete - notifies the fc transport that a remote port is no longer in existence. 27441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @rport: The remote port that no longer exists 27451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 27461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LLDD calls this routine to notify the transport that a remote 27471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * port is no longer part of the topology. Note: Although a port 27481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * may no longer be part of the topology, it may persist in the remote 274919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * ports displayed by the fc_host. We do this under 2 conditions: 2750eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * 1) If the port was a scsi target, we delay its deletion by "blocking" it. 275119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * This allows the port to temporarily disappear, then reappear without 275219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * disrupting the SCSI device tree attached to it. During the "blocked" 275319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * period the port will still exist. 2754eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * 2) If the port was a scsi target and disappears for longer than we 275519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * expect, we'll delete the port and the tear down the SCSI device tree 275619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * attached to it. However, we want to semi-persist the target id assigned 275719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * to that port if it eventually does exist. The port structure will 275819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * remain (although with minimal information) so that the target id 275919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * bindings remails. 27601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 27611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If the remote port is not an FCP Target, it will be fully torn down 27621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and deallocated, including the fc_remote_port class device. 27631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 276419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * If the remote port is an FCP Target, the port will be placed in a 276519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * temporary blocked state. From the LLDD's perspective, the rport no 276619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * longer exists. From the SCSI midlayer's perspective, the SCSI target 276719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * exists, but all sdevs on it are blocked from further I/O. The following 2768eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * is then expected. 2769eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * 277019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * If the remote port does not return (signaled by a LLDD call to 277119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * fc_remote_port_add()) within the dev_loss_tmo timeout, then the 277219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * scsi target is removed - killing all outstanding i/o and removing the 277319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * scsi devices attached ot it. The port structure will be marked Not 277419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * Present and be partially cleared, leaving only enough information to 277519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * recognize the remote port relative to the scsi target id binding if 277619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * it later appears. The port will remain as long as there is a valid 277719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * binding (e.g. until the user changes the binding type or unloads the 277819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * scsi host with the binding). 27791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 278019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * If the remote port returns within the dev_loss_tmo value (and matches 278119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * according to the target id binding type), the port structure will be 278219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * reused. If it is no longer a SCSI target, the target will be torn 278319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * down. If it continues to be a SCSI target, then the target will be 278419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * unblocked (allowing i/o to be resumed), and a scan will be activated 278519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * to ensure that all luns are detected. 278619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * 278719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * Called from normal process context only - cannot be called from interrupt. 27881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 27891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Notes: 27901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine assumes no locks are held on entry. 2791eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 27921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 27931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_remote_port_delete(struct fc_rport *rport) 27941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2795aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct Scsi_Host *shost = rport_to_shost(rport); 279619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com int timeout = rport->dev_loss_tmo; 2797aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart unsigned long flags; 2798aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2799aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart /* 2800aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * No need to flush the fc_host work_q's, as all adds are synchronous. 2801aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * 2802aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * We do need to reclaim the rport scan work element, so eventually 2803aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * (in fc_rport_final_delete()) we'll flush the scsi host work_q if 2804aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart * there's still a scan pending. 2805aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart */ 2806aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2807aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_lock_irqsave(shost->host_lock, flags); 28081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 280992740b24ce6ddac6534fae985aab602548692186James Smart if (rport->port_state != FC_PORTSTATE_ONLINE) { 2810aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 28111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 28121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 28131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 281492740b24ce6ddac6534fae985aab602548692186James Smart /* 281592740b24ce6ddac6534fae985aab602548692186James Smart * In the past, we if this was not an FCP-Target, we would 281692740b24ce6ddac6534fae985aab602548692186James Smart * unconditionally just jump to deleting the rport. 281792740b24ce6ddac6534fae985aab602548692186James Smart * However, rports can be used as node containers by the LLDD, 281892740b24ce6ddac6534fae985aab602548692186James Smart * and its not appropriate to just terminate the rport at the 281992740b24ce6ddac6534fae985aab602548692186James Smart * first sign of a loss in connectivity. The LLDD may want to 282092740b24ce6ddac6534fae985aab602548692186James Smart * send ELS traffic to re-validate the login. If the rport is 282192740b24ce6ddac6534fae985aab602548692186James Smart * immediately deleted, it makes it inappropriate for a node 282292740b24ce6ddac6534fae985aab602548692186James Smart * container. 282392740b24ce6ddac6534fae985aab602548692186James Smart * So... we now unconditionally wait dev_loss_tmo before 282492740b24ce6ddac6534fae985aab602548692186James Smart * destroying an rport. 282592740b24ce6ddac6534fae985aab602548692186James Smart */ 282692740b24ce6ddac6534fae985aab602548692186James Smart 2827aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->port_state = FC_PORTSTATE_BLOCKED; 2828aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2829aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->flags |= FC_RPORT_DEVLOSS_PENDING; 2830aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2831aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 2832aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 28337525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori if (rport->roles & FC_PORT_ROLE_FCP_INITIATOR && 28347525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori shost->active_mode & MODE_TARGET) 28357525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori fc_tgt_it_nexus_destroy(shost, (unsigned long)rport); 28367525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori 283719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com scsi_target_block(&rport->dev); 28381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28390f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart /* see if we need to kill io faster than waiting for device loss */ 28400f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if ((rport->fast_io_fail_tmo != -1) && 2841fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie (rport->fast_io_fail_tmo < timeout)) 28420f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart fc_queue_devloss_work(shost, &rport->fail_io_work, 28430f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart rport->fast_io_fail_tmo * HZ); 28440f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 284519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* cap the length the devices can be blocked until they are deleted */ 2846aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_queue_devloss_work(shost, &rport->dev_loss_work, timeout * HZ); 28471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 28481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(fc_remote_port_delete); 28491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 2851eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * fc_remote_port_rolechg - notifies the fc transport that the roles on a remote may have changed. 28521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @rport: The remote port that changed. 2853eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * @roles: New roles for this port. 28541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2855eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * Description: The LLDD calls this routine to notify the transport that the 2856eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * roles on a remote port may have changed. The largest effect of this is 28571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if a port now becomes a FCP Target, it must be allocated a 28581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * scsi target id. If the port is no longer a FCP target, any 28591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * scsi target id value assigned to it will persist in case the 28601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * role changes back to include FCP Target. No changes in the scsi 28611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * midlayer will be invoked if the role changes (in the expectation 28621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that the role will be resumed. If it doesn't normal error processing 28631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * will take place). 28641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 28651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Should not be called from interrupt context. 28661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 28671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Notes: 28681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This routine assumes no locks are held on entry. 2869eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 28701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 28711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsfc_remote_port_rolechg(struct fc_rport *rport, u32 roles) 28721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 28731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *shost = rport_to_shost(rport); 2874aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 28751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 28761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int create = 0; 28777525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori int ret; 28781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(shost->host_lock, flags); 2880a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (roles & FC_PORT_ROLE_FCP_TARGET) { 288119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (rport->scsi_target_id == -1) { 288219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->scsi_target_id = fc_host->next_target_id++; 288319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com create = 1; 2884a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } else if (!(rport->roles & FC_PORT_ROLE_FCP_TARGET)) 288519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com create = 1; 28867525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori } else if (shost->active_mode & MODE_TARGET) { 28877525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori ret = fc_tgt_it_nexus_create(shost, (unsigned long)rport, 28887525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori (char *)&rport->node_name); 28897525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori if (ret) 28907525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori printk(KERN_ERR "FC Remore Port tgt nexus failed %d\n", 28917525236d0bc7ad17eb5e0733417896cab745d6c8FUJITA Tomonori ret); 28921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 28931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 289419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->roles = roles; 289519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 2896aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 2897aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 289819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (create) { 289919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* 290019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * There may have been a delete timer running on the 290119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * port. Ensure that it is cancelled as we now know 290219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * the port is an FCP Target. 290319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * Note: we know the rport is exists and in an online 290419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * state as the LLDD would not have had an rport 290519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * reference to pass us. 290619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * 290719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * Take no action on the del_timer failure as the state 290819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * machine state change will validate the 290919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * transaction. 291019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com */ 29110f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (!cancel_delayed_work(&rport->fail_io_work)) 29120f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart fc_flush_devloss(shost); 291319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (!cancel_delayed_work(&rport->dev_loss_work)) 2914aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_flush_devloss(shost); 2915aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2916aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_lock_irqsave(shost->host_lock, flags); 2917fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT | 2918fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie FC_RPORT_DEVLOSS_PENDING); 2919aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 2920aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 2921aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart /* ensure any stgt delete functions are done */ 2922aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_flush_work(shost); 292319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 29241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* initiate a scan of the target */ 2925aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_lock_irqsave(shost->host_lock, flags); 2926aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->flags |= FC_RPORT_SCAN_PENDING; 29271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds scsi_queue_work(shost, &rport->scan_work); 2928aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 2929a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart scsi_target_unblock(&rport->dev); 293019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 29311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 29321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(fc_remote_port_rolechg); 29331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 29341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 2935eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * fc_timeout_deleted_rport - Timeout handler for a deleted remote port. 293692740b24ce6ddac6534fae985aab602548692186James Smart * @work: rport target that failed to reappear in the allotted time. 2937eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * 2938eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * Description: An attempt to delete a remote port blocks, and if it fails 2939eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * to return in the allotted time this gets called. 2940eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 29411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 2942c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsfc_timeout_deleted_rport(struct work_struct *work) 29431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2944c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells struct fc_rport *rport = 2945c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells container_of(work, struct fc_rport, dev_loss_work.work); 294619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com struct Scsi_Host *shost = rport_to_shost(rport); 2947aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 294819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com unsigned long flags; 29491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 295019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com spin_lock_irqsave(shost->host_lock, flags); 29511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2952aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; 2953aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 29541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 295592740b24ce6ddac6534fae985aab602548692186James Smart * If the port is ONLINE, then it came back. If it was a SCSI 295692740b24ce6ddac6534fae985aab602548692186James Smart * target, validate it still is. If not, tear down the 295792740b24ce6ddac6534fae985aab602548692186James Smart * scsi_target on it. 29581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2959aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if ((rport->port_state == FC_PORTSTATE_ONLINE) && 296092740b24ce6ddac6534fae985aab602548692186James Smart (rport->scsi_target_id != -1) && 2961a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart !(rport->roles & FC_PORT_ROLE_FCP_TARGET)) { 296219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com dev_printk(KERN_ERR, &rport->dev, 2963aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart "blocked FC remote port time out: no longer" 2964aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart " a FCP target, removing starget\n"); 2965aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 2966a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart scsi_target_unblock(&rport->dev); 2967a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart fc_queue_work(shost, &rport->stgt_delete_work); 296819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return; 296919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 29701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 297192740b24ce6ddac6534fae985aab602548692186James Smart /* NOOP state - we're flushing workq's */ 297219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com if (rport->port_state != FC_PORTSTATE_BLOCKED) { 297319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com spin_unlock_irqrestore(shost->host_lock, flags); 297419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com dev_printk(KERN_ERR, &rport->dev, 297592740b24ce6ddac6534fae985aab602548692186James Smart "blocked FC remote port time out: leaving" 297692740b24ce6ddac6534fae985aab602548692186James Smart " rport%s alone\n", 297792740b24ce6ddac6534fae985aab602548692186James Smart (rport->scsi_target_id != -1) ? " and starget" : ""); 297819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return; 297919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 29801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 298192740b24ce6ddac6534fae985aab602548692186James Smart if ((fc_host->tgtid_bind_type == FC_TGTID_BIND_NONE) || 298292740b24ce6ddac6534fae985aab602548692186James Smart (rport->scsi_target_id == -1)) { 2983aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_del(&rport->peers); 2984aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->port_state = FC_PORTSTATE_DELETED; 298519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com dev_printk(KERN_ERR, &rport->dev, 298692740b24ce6ddac6534fae985aab602548692186James Smart "blocked FC remote port time out: removing" 298792740b24ce6ddac6534fae985aab602548692186James Smart " rport%s\n", 298892740b24ce6ddac6534fae985aab602548692186James Smart (rport->scsi_target_id != -1) ? " and starget" : ""); 2989aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart fc_queue_work(shost, &rport->rport_delete_work); 2990aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_unlock_irqrestore(shost->host_lock, flags); 299119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com return; 299219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 29931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 299419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com dev_printk(KERN_ERR, &rport->dev, 299519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com "blocked FC remote port time out: removing target and " 299619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com "saving binding\n"); 299719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 2998aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart list_move_tail(&rport->peers, &fc_host->rport_bindings); 29991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 30001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 300119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * Note: We do not remove or clear the hostdata area. This allows 300219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * host-specific target data to persist along with the 300319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * scsi_target_id. It's up to the host to manage it's hostdata area. 30041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 30051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 300619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* 300719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * Reinitialize port attributes that may change if the port comes back. 300819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com */ 300919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->maxframe_size = -1; 301019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->supported_classes = FC_COS_UNSPECIFIED; 3011a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart rport->roles = FC_PORT_ROLE_UNKNOWN; 3012aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->port_state = FC_PORTSTATE_NOTPRESENT; 3013fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT; 30141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3015f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart /* 3016f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart * Pre-emptively kill I/O rather than waiting for the work queue 3017f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart * item to teardown the starget. (FCOE libFC folks prefer this 3018f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart * and to have the rport_port_id still set when it's done). 3019f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart */ 3020f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3021f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart fc_terminate_rport_io(rport); 3022f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart 3023f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart BUG_ON(rport->port_state != FC_PORTSTATE_NOTPRESENT); 3024f78badb1ae07e7f8b835ab2ea0b456ed3fc4caf4James Smart 302519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* remove the identifiers that aren't used in the consisting binding */ 3026aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart switch (fc_host->tgtid_bind_type) { 302719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_BY_WWPN: 302819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->node_name = -1; 302919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->port_id = -1; 303019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com break; 303119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_BY_WWNN: 303219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->port_name = -1; 303319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->port_id = -1; 303419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com break; 303519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_BY_ID: 303619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->node_name = -1; 303719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com rport->port_name = -1; 303819a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com break; 303919a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com case FC_TGTID_BIND_NONE: /* to keep compiler happy */ 304019a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com break; 304119a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com } 304219a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com 304319a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com /* 304419a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * As this only occurs if the remote port (scsi target) 304519a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * went away and didn't come back - we'll remove 304619a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com * all attached scsi devices. 304719a7b4aebf9ad435c69a7e39930338499af4d152James.Smart@Emulex.Com */ 3048a0785edff7b316cad566bdc369d3d034c4c1a39cJames Smart fc_queue_work(shost, &rport->stgt_delete_work); 30491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 30501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 30511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3052eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley * fc_timeout_fail_rport_io - Timeout handler for a fast io failing on a disconnected SCSI target. 3053c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells * @work: rport to terminate io on. 30540f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart * 30550f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart * Notes: Only requests the failure of the io, not that all are flushed 30560f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart * prior to returning. 3057eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 30580f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smartstatic void 3059c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsfc_timeout_fail_rport_io(struct work_struct *work) 30600f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart{ 3061c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells struct fc_rport *rport = 3062c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells container_of(work, struct fc_rport, fail_io_work.work); 30630f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 30640f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart if (rport->port_state != FC_PORTSTATE_BLOCKED) 30650f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart return; 30660f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 3067fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie rport->flags |= FC_RPORT_FAST_FAIL_TIMEDOUT; 3068fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3Mike Christie fc_terminate_rport_io(rport); 30690f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart} 30700f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart 30710f29b966d60e9a4f5ecff9f3832257b38aea4f13James Smart/** 30721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * fc_scsi_scan_rport - called to perform a scsi scan on a remote port. 3073c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells * @work: remote port to be scanned. 3074eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 30751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 3076c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howellsfc_scsi_scan_rport(struct work_struct *work) 30771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3078c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells struct fc_rport *rport = 3079c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells container_of(work, struct fc_rport, scan_work); 3080aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart struct Scsi_Host *shost = rport_to_shost(rport); 308103f002f778e58e9056e8e9a22952c5c6f4d76269Christof Schmitt struct fc_internal *i = to_fc_internal(shost->transportt); 308242e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com unsigned long flags; 308342e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com 3084aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart if ((rport->port_state == FC_PORTSTATE_ONLINE) && 308503f002f778e58e9056e8e9a22952c5c6f4d76269Christof Schmitt (rport->roles & FC_PORT_ROLE_FCP_TARGET) && 308603f002f778e58e9056e8e9a22952c5c6f4d76269Christof Schmitt !(i->f->disable_target_scan)) { 3087aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart scsi_scan_target(&rport->dev, rport->channel, 3088aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->scsi_target_id, SCAN_WILD_CARD, 1); 308942e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com } 3090aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart 3091aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart spin_lock_irqsave(shost->host_lock, flags); 3092aedf349773e5877d716a89368d512b9baa3e8c7bJames Smart rport->flags &= ~FC_RPORT_SCAN_PENDING; 309342e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com spin_unlock_irqrestore(shost->host_lock, flags); 309442e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com} 309542e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com 309642e33148df38c60b99d984b76b302c64397ebe4cJames.Smart@Emulex.Com 3097a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/** 3098a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * fc_vport_setup - allocates and creates a FC virtual port. 3099a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * @shost: scsi host the virtual port is connected to. 3100a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * @channel: Channel on shost port connected to. 3101a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * @pdev: parent device for vport 3102a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * @ids: The world wide names, FC4 port roles, etc for 3103a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * the virtual port. 3104a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * @ret_vport: The pointer to the created vport. 3105a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * 3106a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Allocates and creates the vport structure, calls the parent host 3107a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * to instantiate the vport, the completes w/ class and sysfs creation. 3108a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * 3109a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Notes: 3110a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * This routine assumes no locks are held on entry. 3111eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 3112a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartstatic int 3113a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquezfc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev, 3114a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport_identifiers *ids, struct fc_vport **ret_vport) 3115a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 3116a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 3117a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_internal *fci = to_fc_internal(shost->transportt); 3118a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_vport *vport; 3119a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct device *dev; 3120a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned long flags; 3121a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart size_t size; 3122a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart int error; 3123a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3124a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart *ret_vport = NULL; 3125a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3126a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if ( ! fci->f->vport_create) 3127a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -ENOENT; 3128a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3129a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart size = (sizeof(struct fc_vport) + fci->f->dd_fcvport_size); 3130a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport = kzalloc(size, GFP_KERNEL); 3131a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (unlikely(!vport)) { 3132cadbd4a5e36dde7e6c49b587b2c419103c0b7218Harvey Harrison printk(KERN_ERR "%s: allocation failure\n", __func__); 3133a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -ENOMEM; 3134a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3135a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3136a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->vport_state = FC_VPORT_UNKNOWN; 3137a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->vport_last_state = FC_VPORT_UNKNOWN; 3138a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->node_name = ids->node_name; 3139a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->port_name = ids->port_name; 3140a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->roles = ids->roles; 3141a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->vport_type = ids->vport_type; 3142a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (fci->f->dd_fcvport_size) 3143a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->dd_data = &vport[1]; 3144a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->shost = shost; 3145a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->channel = channel; 3146a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->flags = FC_VPORT_CREATING; 31479ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart INIT_WORK(&vport->vport_delete_work, fc_vport_sched_delete); 3148a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3149a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_lock_irqsave(shost->host_lock, flags); 3150a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3151a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (fc_host->npiv_vports_inuse >= fc_host->max_npiv_vports) { 3152a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3153a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart kfree(vport); 3154a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -ENOSPC; 3155a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3156a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_host->npiv_vports_inuse++; 3157a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->number = fc_host->next_vport_number++; 3158a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart list_add_tail(&vport->peers, &fc_host->vports); 3159a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart get_device(&shost->shost_gendev); /* for fc_host->vport list */ 3160a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3161a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3162a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3163a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart dev = &vport->dev; 3164a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart device_initialize(dev); /* takes self reference */ 3165a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart dev->parent = get_device(pdev); /* takes parent reference */ 3166a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart dev->release = fc_vport_dev_release; 3167a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart sprintf(dev->bus_id, "vport-%d:%d-%d", 3168a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart shost->host_no, channel, vport->number); 3169a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_setup_device(dev); 3170a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3171a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart error = device_add(dev); 3172a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (error) { 3173a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart printk(KERN_ERR "FC Virtual Port device_add failed\n"); 3174a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart goto delete_vport; 3175a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3176a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_add_device(dev); 3177a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_configure_device(dev); 3178a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3179a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart error = fci->f->vport_create(vport, ids->disable); 3180a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (error) { 3181a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart printk(KERN_ERR "FC Virtual Port LLDD Create failed\n"); 3182a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart goto delete_vport_all; 3183a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3184a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3185a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* 3186a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * if the parent isn't the physical adapter's Scsi_Host, ensure 3187a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * the Scsi_Host at least contains ia symlink to the vport. 3188a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 3189a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (pdev != &shost->shost_gendev) { 3190a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart error = sysfs_create_link(&shost->shost_gendev.kobj, 3191a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart &dev->kobj, dev->bus_id); 3192a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (error) 3193a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart printk(KERN_ERR 3194a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart "%s: Cannot create vport symlinks for " 3195a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart "%s, err=%d\n", 3196cadbd4a5e36dde7e6c49b587b2c419103c0b7218Harvey Harrison __func__, dev->bus_id, error); 3197a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3198a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_lock_irqsave(shost->host_lock, flags); 3199a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->flags &= ~FC_VPORT_CREATING; 3200a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3201a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3202a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart dev_printk(KERN_NOTICE, pdev, 3203a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart "%s created via shost%d channel %d\n", dev->bus_id, 3204a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart shost->host_no, channel); 3205a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3206a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart *ret_vport = vport; 3207a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3208a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return 0; 3209a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3210a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartdelete_vport_all: 3211a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_remove_device(dev); 3212a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart device_del(dev); 3213a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartdelete_vport: 3214a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_destroy_device(dev); 3215a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_lock_irqsave(shost->host_lock, flags); 3216a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart list_del(&vport->peers); 3217a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart put_device(&shost->shost_gendev); /* for fc_host->vport list */ 3218a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_host->npiv_vports_inuse--; 3219a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3220a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart put_device(dev->parent); 3221a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart kfree(vport); 3222a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3223a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return error; 3224a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 3225a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3226a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez/** 3227a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * fc_vport_create - Admin App or LLDD requests creation of a vport 3228a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * @shost: scsi host the virtual port is connected to. 3229a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * @channel: channel on shost port connected to. 3230a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * @ids: The world wide names, FC4 port roles, etc for 3231a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * the virtual port. 3232a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * 3233a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * Notes: 3234a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez * This routine assumes no locks are held on entry. 3235a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez */ 3236a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquezstruct fc_vport * 3237a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquezfc_vport_create(struct Scsi_Host *shost, int channel, 3238a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez struct fc_vport_identifiers *ids) 3239a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez{ 3240a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez int stat; 3241a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez struct fc_vport *vport; 3242a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez 3243a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez stat = fc_vport_setup(shost, channel, &shost->shost_gendev, 3244a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez ids, &vport); 3245a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez return stat ? NULL : vport; 3246a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew Vasquez} 3247a30c3f69e6336cb9b09a989595e417367e4e9b1bAndrew VasquezEXPORT_SYMBOL(fc_vport_create); 3248a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3249a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart/** 3250a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * fc_vport_terminate - Admin App or LLDD requests termination of a vport 3251a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * @vport: fc_vport to be terminated 3252a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * 3253a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Calls the LLDD vport_delete() function, then deallocates and removes 3254a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * the vport from the shost and object tree. 3255a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * 3256a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Notes: 3257a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * This routine assumes no locks are held on entry. 3258eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 3259a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartint 3260a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smartfc_vport_terminate(struct fc_vport *vport) 3261a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart{ 3262a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct Scsi_Host *shost = vport_to_shost(vport); 3263a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 3264a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct fc_internal *i = to_fc_internal(shost->transportt); 3265a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart struct device *dev = &vport->dev; 3266a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart unsigned long flags; 3267a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart int stat; 3268a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3269a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_lock_irqsave(shost->host_lock, flags); 3270a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->flags & FC_VPORT_CREATING) { 3271a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3272a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EBUSY; 3273a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3274a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (vport->flags & (FC_VPORT_DEL)) { 3275a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3276a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return -EALREADY; 3277a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3278a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->flags |= FC_VPORT_DELETING; 3279a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3280a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3281a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (i->f->vport_delete) 3282a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = i->f->vport_delete(vport); 3283a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart else 3284a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart stat = -ENOENT; 3285a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3286a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_lock_irqsave(shost->host_lock, flags); 3287a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->flags &= ~FC_VPORT_DELETING; 3288a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (!stat) { 3289a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart vport->flags |= FC_VPORT_DELETED; 3290a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart list_del(&vport->peers); 3291a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart fc_host->npiv_vports_inuse--; 3292a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart put_device(&shost->shost_gendev); /* for fc_host->vport list */ 3293a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart } 3294a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart spin_unlock_irqrestore(shost->host_lock, flags); 3295a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3296a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (stat) 3297a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return stat; 3298a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3299a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart if (dev->parent != &shost->shost_gendev) 3300a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart sysfs_remove_link(&shost->shost_gendev.kobj, dev->bus_id); 3301a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_remove_device(dev); 3302a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart device_del(dev); 3303a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart transport_destroy_device(dev); 3304a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3305a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart /* 3306a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * Removing our self-reference should mean our 3307a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * release function gets called, which will drop the remaining 3308a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart * parent reference and free the data structure. 3309a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart */ 3310a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart put_device(dev); /* for self-reference */ 3311a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 3312a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart return 0; /* SUCCESS */ 3313a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart} 3314a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James SmartEXPORT_SYMBOL(fc_vport_terminate); 3315a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 33169ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart/** 33179ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart * fc_vport_sched_delete - workq-based delete request for a vport 33189ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart * @work: vport to be deleted. 3319eb44820c28bc9a042e1157b41c677018a8fdfc74Rob Landley */ 33209ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smartstatic void 33219ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smartfc_vport_sched_delete(struct work_struct *work) 33229ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart{ 33239ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart struct fc_vport *vport = 33249ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart container_of(work, struct fc_vport, vport_delete_work); 33259ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart int stat; 33269ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart 33279ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart stat = fc_vport_terminate(vport); 33289ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart if (stat) 33299ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart dev_printk(KERN_ERR, vport->dev.parent, 33309ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart "%s: %s could not be deleted created via " 3331cadbd4a5e36dde7e6c49b587b2c419103c0b7218Harvey Harrison "shost%d channel %d - error %d\n", __func__, 33329ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart vport->dev.bus_id, vport->shost->host_no, 33339ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart vport->channel, stat); 33349ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart} 33359ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart 3336a53eb5e060c0ec7245c8f93b9dcd94afa6041e06James Smart 33379ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames Smart/* Original Author: Martin Hicks */ 33389ef3e4a4527e1f65b8776287c6d4fd1fca5ba98fJames SmartMODULE_AUTHOR("James Smart"); 33391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("FC Transport Attributes"); 33401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 33411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 33421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(fc_transport_init); 33431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(fc_transport_exit); 3344