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/*
* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_FCS_H__
#define __BFA_FCS_H__
#include "bfa_cs.h"
#include "bfa_defs.h"
#include "bfa_defs_fcs.h"
#include "bfa_modules.h"
#include "bfa_fc.h"
#define BFA_FCS_OS_STR_LEN 64
/*
* lps_pvt BFA LPS private functions
*/
enum bfa_lps_event {
BFA_LPS_SM_LOGIN = 1, /* login request from user */
BFA_LPS_SM_LOGOUT = 2, /* logout request from user */
BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */
BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */
BFA_LPS_SM_DELETE = 5, /* lps delete from user */
BFA_LPS_SM_OFFLINE = 6, /* Link is offline */
BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */
BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */
};
/*
* !!! Only append to the enums defined here to avoid any versioning
* !!! needed between trace utility and driver version
*/
enum {
BFA_TRC_FCS_FCS = 1,
BFA_TRC_FCS_PORT = 2,
BFA_TRC_FCS_RPORT = 3,
BFA_TRC_FCS_FCPIM = 4,
};
struct bfa_fcs_s;
#define __fcs_min_cfg(__fcs) ((__fcs)->min_cfg)
#define BFA_FCS_BRCD_SWITCH_OUI 0x051e
#define N2N_LOCAL_PID 0x010000
#define N2N_REMOTE_PID 0x020000
#define BFA_FCS_RETRY_TIMEOUT 2000
#define BFA_FCS_MAX_NS_RETRIES 5
#define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0)
#define BFA_FCS_MAX_RPORT_LOGINS 1024
struct bfa_fcs_lport_ns_s {
bfa_sm_t sm; /* state machine */
struct bfa_timer_s timer;
struct bfa_fcs_lport_s *port; /* parent port */
struct bfa_fcxp_s *fcxp;
struct bfa_fcxp_wqe_s fcxp_wqe;
u8 num_rnnid_retries;
u8 num_rsnn_nn_retries;
};
struct bfa_fcs_lport_scn_s {
bfa_sm_t sm; /* state machine */
struct bfa_timer_s timer;
struct bfa_fcs_lport_s *port; /* parent port */
struct bfa_fcxp_s *fcxp;
struct bfa_fcxp_wqe_s fcxp_wqe;
};
struct bfa_fcs_lport_fdmi_s {
bfa_sm_t sm; /* state machine */
struct bfa_timer_s timer;
struct bfa_fcs_lport_ms_s *ms; /* parent ms */
struct bfa_fcxp_s *fcxp;
struct bfa_fcxp_wqe_s fcxp_wqe;
u8 retry_cnt; /* retry count */
u8 rsvd[3];
};
struct bfa_fcs_lport_ms_s {
bfa_sm_t sm; /* state machine */
struct bfa_timer_s timer;
struct bfa_fcs_lport_s *port; /* parent port */
struct bfa_fcxp_s *fcxp;
struct bfa_fcxp_wqe_s fcxp_wqe;
struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */
u8 retry_cnt; /* retry count */
u8 rsvd[3];
};
struct bfa_fcs_lport_fab_s {
struct bfa_fcs_lport_ns_s ns; /* NS component of port */
struct bfa_fcs_lport_scn_s scn; /* scn component of port */
struct bfa_fcs_lport_ms_s ms; /* MS component of port */
};
#define MAX_ALPA_COUNT 127
struct bfa_fcs_lport_loop_s {
u8 num_alpa; /* Num of ALPA entries in the map */
u8 alpabm_valid; /* alpa bitmap valid or not (1 or 0) */
u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional Map */
struct bfa_fcs_lport_s *port; /* parent port */
};
struct bfa_fcs_lport_n2n_s {
u32 rsvd;
__be16 reply_oxid; /* ox_id from the req flogi to be
*used in flogi acc */
wwn_t rem_port_wwn; /* Attached port's wwn */
};
union bfa_fcs_lport_topo_u {
struct bfa_fcs_lport_fab_s pfab;
struct bfa_fcs_lport_loop_s ploop;
struct bfa_fcs_lport_n2n_s pn2n;
};
struct bfa_fcs_lport_s {
struct list_head qe; /* used by port/vport */
bfa_sm_t sm; /* state machine */
struct bfa_fcs_fabric_s *fabric; /* parent fabric */
struct bfa_lport_cfg_s port_cfg; /* port configuration */
struct bfa_timer_s link_timer; /* timer for link offline */
u32 pid:24; /* FC address */
u8 lp_tag; /* lport tag */
u16 num_rports; /* Num of r-ports */
struct list_head rport_q; /* queue of discovered r-ports */
struct bfa_fcs_s *fcs; /* FCS instance */
union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */
struct bfad_port_s *bfad_port; /* driver peer instance */
struct bfa_fcs_vport_s *vport; /* NULL for base ports */
struct bfa_fcxp_s *fcxp;
struct bfa_fcxp_wqe_s fcxp_wqe;
struct bfa_lport_stats_s stats;
struct bfa_wc_s wc; /* waiting counter for events */
};
#define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa)
#define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns)
#define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn)
#define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms)
#define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi)
#define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \
(port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM)
/*
* forward declaration
*/
struct bfad_vf_s;
enum bfa_fcs_fabric_type {
BFA_FCS_FABRIC_UNKNOWN = 0,
BFA_FCS_FABRIC_SWITCHED = 1,
BFA_FCS_FABRIC_N2N = 2,
BFA_FCS_FABRIC_LOOP = 3,
};
struct bfa_fcs_fabric_s {
struct list_head qe; /* queue element */
bfa_sm_t sm; /* state machine */
struct bfa_fcs_s *fcs; /* FCS instance */
struct bfa_fcs_lport_s bport; /* base logical port */
enum bfa_fcs_fabric_type fab_type; /* fabric type */
enum bfa_port_type oper_type; /* current link topology */
u8 is_vf; /* is virtual fabric? */
u8 is_npiv; /* is NPIV supported ? */
u8 is_auth; /* is Security/Auth supported ? */
u16 bb_credit; /* BB credit from fabric */
u16 vf_id; /* virtual fabric ID */
u16 num_vports; /* num vports */
u16 rsvd;
struct list_head vport_q; /* queue of virtual ports */
struct list_head vf_q; /* queue of virtual fabrics */
struct bfad_vf_s *vf_drv; /* driver vf structure */
struct bfa_timer_s link_timer; /* Link Failure timer. Vport */
wwn_t fabric_name; /* attached fabric name */
bfa_boolean_t auth_reqd<
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