Merge commit 'v2.6.34-rc2' into perf/core
[linux-2.6-block.git] / drivers / scsi / bfa / fcs_lport.h
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1/*
2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
18/**
19 * fcs_lport.h FCS logical port interfaces
20 */
21
22#ifndef __FCS_LPORT_H__
23#define __FCS_LPORT_H__
24
25#define __VPORT_H__
26#include <defs/bfa_defs_port.h>
27#include <bfa_svc.h>
28#include <fcs/bfa_fcs_lport.h>
29#include <fcs/bfa_fcs_rport.h>
30#include <fcs/bfa_fcs_vport.h>
31#include <fcs_fabric.h>
32#include <fcs_ms.h>
33#include <cs/bfa_q.h>
34#include <fcbuild.h>
35
36/*
37 * PID used in P2P/N2N ( In Big Endian)
38 */
39#define N2N_LOCAL_PID 0x010000
40#define N2N_REMOTE_PID 0x020000
41
42/*
43 * Misc Timeouts
44 */
45/*
46 * To be used when spawning a timer before retrying a failed command. Milli
47 * Secs.
48 */
49#define BFA_FCS_RETRY_TIMEOUT 2000
50
51/*
52 * Check for Port/Vport Mode/Role
53 */
54#define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \
55 (port->port_cfg.roles & BFA_PORT_ROLE_FCP_IM)
56
57#define BFA_FCS_VPORT_IS_TARGET_MODE(port) \
58 (port->port_cfg.roles & BFA_PORT_ROLE_FCP_TM)
59
60#define BFA_FCS_VPORT_IS_IPFC_MODE(port) \
61 (port->port_cfg.roles & BFA_PORT_ROLE_FCP_IPFC)
62
63/*
64 * Is this a Well Known Address
65 */
66#define BFA_FCS_PID_IS_WKA(pid) ((bfa_os_ntoh3b(pid) > 0xFFF000) ? 1 : 0)
67
68/*
69 * Pointer to elements within Port
70 */
71#define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa)
72#define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns)
73#define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn)
74#define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms)
75#define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi)
76
77/*
78 * handler for unsolicied frames
79 */
80void bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs,
81 u16 len);
82
83/*
84 * Following routines will be called by Fabric to indicate port
85 * online/offline to vport.
86 */
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87void bfa_fcs_lport_attach(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
88 uint16_t vf_id, struct bfa_fcs_vport_s *vport);
89void bfa_fcs_lport_init(struct bfa_fcs_port_s *lport,
90 struct bfa_port_cfg_s *port_cfg);
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91void bfa_fcs_port_online(struct bfa_fcs_port_s *port);
92void bfa_fcs_port_offline(struct bfa_fcs_port_s *port);
93void bfa_fcs_port_delete(struct bfa_fcs_port_s *port);
94bfa_boolean_t bfa_fcs_port_is_online(struct bfa_fcs_port_s *port);
95
96/*
97 * Lookup rport based on PID
98 */
99struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pid(
100 struct bfa_fcs_port_s *port, u32 pid);
101
102/*
103 * Lookup rport based on PWWN
104 */
105struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_pwwn(
106 struct bfa_fcs_port_s *port, wwn_t pwwn);
107struct bfa_fcs_rport_s *bfa_fcs_port_get_rport_by_nwwn(
108 struct bfa_fcs_port_s *port, wwn_t nwwn);
109void bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port,
110 struct bfa_fcs_rport_s *rport);
111void bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port,
112 struct bfa_fcs_rport_s *rport);
113
114void bfa_fcs_port_modinit(struct bfa_fcs_s *fcs);
115void bfa_fcs_port_modexit(struct bfa_fcs_s *fcs);
116void bfa_fcs_port_lip(struct bfa_fcs_port_s *port);
117
118#endif /* __FCS_LPORT_H__ */