7725ccfda5
Add new driver for Brocade Hardware Signed-off-by: Jing Huang <huangj@brocade.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
181 lines
4.2 KiB
C
181 lines
4.2 KiB
C
/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <bfa.h>
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#include <bfa_svc.h>
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#include "fcs_vport.h"
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#include "fcs_lport.h"
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#include "fcs_rport.h"
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#include "fcs_trcmod.h"
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BFA_TRC_FILE(FCS, RPORT_API);
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/**
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* rport_api.c Remote port implementation.
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*/
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/**
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* fcs_rport_api FCS rport API.
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*/
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/**
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* Direct API to add a target by port wwn. This interface is used, for
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* example, by bios when target pwwn is known from boot lun configuration.
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*/
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bfa_status_t
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bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn,
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struct bfa_fcs_rport_s *rport,
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struct bfad_rport_s *rport_drv)
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{
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bfa_trc(port->fcs, *pwwn);
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return BFA_STATUS_OK;
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}
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/**
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* Direct API to remove a target and its associated resources. This
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* interface is used, for example, by vmware driver to remove target
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* ports from the target list for a VM.
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*/
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bfa_status_t
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bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in)
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{
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struct bfa_fcs_rport_s *rport;
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bfa_trc(rport_in->fcs, rport_in->pwwn);
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rport = bfa_fcs_port_get_rport_by_pwwn(rport_in->port, rport_in->pwwn);
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if (rport == NULL) {
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/*
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* TBD Error handling
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*/
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bfa_trc(rport_in->fcs, rport_in->pid);
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return BFA_STATUS_UNKNOWN_RWWN;
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}
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/*
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* TBD if this remote port is online, send a logo
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*/
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return BFA_STATUS_OK;
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}
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/**
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* Remote device status for display/debug.
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*/
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void
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bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
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struct bfa_rport_attr_s *rport_attr)
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{
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struct bfa_rport_qos_attr_s qos_attr;
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struct bfa_fcs_port_s *port = rport->port;
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bfa_os_memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s));
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rport_attr->pid = rport->pid;
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rport_attr->pwwn = rport->pwwn;
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rport_attr->nwwn = rport->nwwn;
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rport_attr->cos_supported = rport->fc_cos;
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rport_attr->df_sz = rport->maxfrsize;
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rport_attr->state = bfa_fcs_rport_get_state(rport);
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rport_attr->fc_cos = rport->fc_cos;
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rport_attr->cisc = rport->cisc;
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rport_attr->scsi_function = rport->scsi_function;
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rport_attr->curr_speed = rport->rpf.rpsc_speed;
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rport_attr->assigned_speed = rport->rpf.assigned_speed;
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bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr);
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rport_attr->qos_attr = qos_attr;
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rport_attr->trl_enforced = BFA_FALSE;
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if (bfa_pport_is_ratelim(port->fcs->bfa)) {
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if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) ||
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(rport->rpf.rpsc_speed <
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bfa_fcs_port_get_rport_max_speed(port)))
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rport_attr->trl_enforced = BFA_TRUE;
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}
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/*
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* TODO
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* rport->symname
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*/
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}
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/**
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* Per remote device statistics.
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*/
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void
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bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport,
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struct bfa_rport_stats_s *stats)
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{
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*stats = rport->stats;
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}
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void
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bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport)
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{
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bfa_os_memset((char *)&rport->stats, 0,
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sizeof(struct bfa_rport_stats_s));
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}
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struct bfa_fcs_rport_s *
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bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn)
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{
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struct bfa_fcs_rport_s *rport;
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rport = bfa_fcs_port_get_rport_by_pwwn(port, rpwwn);
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if (rport == NULL) {
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/*
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* TBD Error handling
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*/
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}
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return rport;
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}
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struct bfa_fcs_rport_s *
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bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_port_s *port, wwn_t rnwwn)
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{
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struct bfa_fcs_rport_s *rport;
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rport = bfa_fcs_port_get_rport_by_nwwn(port, rnwwn);
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if (rport == NULL) {
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/*
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* TBD Error handling
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*/
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}
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return rport;
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}
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/*
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* This API is to set the Rport's speed. Should be used when RPSC is not
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* supported by the rport.
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*/
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void
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bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport,
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enum bfa_pport_speed speed)
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{
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rport->rpf.assigned_speed = speed;
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/* Set this speed in f/w only if the RPSC speed is not available */
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if (rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN)
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bfa_rport_speed(rport->bfa_rport, speed);
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}
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