/*
* Copyright (c) 2005-2009 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.
*/
#include <bfa.h>
#include <bfa_svc.h>
#include "fcs_vport.h"
#include "fcs_lport.h"
#include "fcs_rport.h"
#include "fcs_trcmod.h"
BFA_TRC_FILE(FCS, RPORT_API);
/**
* rport_api.c Remote port implementation.
*/
/**
* fcs_rport_api FCS rport API.
*/
/**
* Direct API to add a target by port wwn. This interface is used, for
* example, by bios when target pwwn is known from boot lun configuration.
*/
bfa_status_t
bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn,
struct bfa_fcs_rport_s *rport,
struct bfad_rport_s *rport_drv)
{
bfa_trc(port->fcs, *pwwn);
return BFA_STATUS_OK;
}
/**
* Direct API to remove a target and its associated resources. This
* interface is used, for example, by vmware driver to remove target
* ports from the target list for a VM.
*/
bfa_status_t
bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in)
{
struct bfa_fcs_rport_s *rport;
bfa_trc(rport_in->fcs, rport_in->pwwn);
rport = bfa_fcs_port_get_rport_by_pwwn(rport_in->port, rport_in->pwwn);
if (rport == NULL) {
/*
* TBD Error handling
*/
bfa_trc(rport_in->fcs, rport_in->pid);
return BFA_STATUS_UNKNOWN_RWWN;
}
/*
* TBD if this remote port is online, send a logo
*/
return BFA_STATUS_OK;
}
/**
* Remote device status for display/debug.
*/
void
bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
struct bfa_rport_attr_s *rport_attr)
{
struct bfa_rport_qos_attr_s qos_attr;
struct bfa_fcs_port_s *port = rport->port;
enum bfa_pport_speed rport_speed = rport->rpf.rpsc_speed;
bfa_os_memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s));
rport_attr->pid = rport->pid;
rport_attr->pwwn = rport->pwwn;
rport_attr->nwwn = rport->nwwn;
rport_attr->cos_supported = rport->fc_cos;
rport_attr->df_sz = rport->maxfrsize;
rport_attr->state = bfa_fcs_rport_get_state(rport);
rport_attr->fc_cos = rport->fc_cos;
rport_attr->cisc = rport->cisc;
rport_attr->scsi_function = rport->scsi_function;
rport_attr->curr_speed = rport->rpf.rpsc_speed;
rport_attr->assigned_speed = rport->rpf.assigned_speed;
bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr);
rport_attr->qos_attr = qos_attr;
rport_attr->trl_enforced = BFA_FALSE;
if (bfa_fcport_is_ratelim(port->fcs->bfa)) {
if (rport_speed == BFA_PPORT_SPEED_UNKNOWN) {
/* Use default ratelim speed setting */
rport_speed =
bfa_fcport_get_ratelim_speed(rport->fcs->bfa);
}
if (rport_speed < bfa_fcs_port_get_rport_max_speed(port))
rport_attr->trl_enforced = BFA_TRUE;
}
/*
* TODO
* rport->symname
*/
}
/**
* Per remote device statistics.
*/
void
bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport,
struct bfa_rport_stats_s *stats)
{
*stats = rport->stats;
}
void
bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport)
{
bfa_os_memset((char *)&rport->stats, 0,
sizeof(struct bfa_rport_stats_s));
}
struct bfa_fcs_rport_s *
bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn)
{
struct bfa_fcs_rport_s *rport;
rport = bfa_fcs_port_get_rport_by_pwwn(port, rpwwn);
if (rport == NULL) {
/*
* TBD Error handling
*/
}
return rport;
}
struct bfa_fcs_rport_s *
bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_port_s *port, wwn_t rnwwn)
{
struct bfa_fcs_rport_s *rport;
rport = bfa_fcs_port_get_rport_by_nwwn(port, rnwwn);
if (rport == NULL) {
/*
* TBD Error handling
*/
}
return rport;
}
/*
* This API is to set the Rport's speed. Should be used when RPSC is not
* supported by the rport.
*/
void
bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport,
enum bfa_pport_speed speed)
{
rport->rpf.assigned_speed = speed;
/* Set this speed in f/w only if the RPSC speed is not available */
if (rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN)
bfa_rport_speed(rport->bfa_rport, speed);
}
