path: root/drivers/scsi/bfa/bfad_attr.c

/*
 * 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.
 */

/*
 *  bfa_attr.c Linux driver configuration interface module.
 */

#include "bfad_drv.h"
#include "bfad_im.h"

/*
 * FC transport template entry, get SCSI target port ID.
 */
static void
bfad_im_get_starget_port_id(struct scsi_target *starget)
{
	struct Scsi_Host *shost;
	struct bfad_im_port_s *im_port;
	struct bfad_s         *bfad;
	struct bfad_itnim_s   *itnim = NULL;
	u32        fc_id = -1;
	unsigned long   flags;

	shost = dev_to_shost(starget->dev.parent);
	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
	bfad = im_port->bfad;
	spin_lock_irqsave(&bfad->bfad_lock, flags);

	itnim = bfad_get_itnim(im_port, starget->id);
	if (itnim)
		fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);

	fc_starget_port_id(starget) = fc_id;
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}

/*
 * FC transport template entry, get SCSI target nwwn.
 */
static void
bfad_im_get_starget_node_name(struct scsi_target *starget)
{
	struct Scsi_Host *shost;
	struct bfad_im_port_s *im_port;
	struct bfad_s         *bfad;
	struct bfad_itnim_s   *itnim = NULL;
	u64             node_name = 0;
	unsigned long   flags;

	shost = dev_to_shost(starget->dev.parent);
	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
	bfad = im_port->bfad;
	spin_lock_irqsave(&bfad->bfad_lock, flags);

	itnim = bfad_get_itnim(im_port, starget->id);
	if (itnim)
		node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);

	fc_starget_node_name(starget) = cpu_to_be64(node_name);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}

/*
 * FC transport template entry, get SCSI target pwwn.
 */
static void
bfad_im_get_starget_port_name(struct scsi_target *starget)
{
	struct Scsi_Host *shost;
	struct bfad_im_port_s *im_port;
	struct bfad_s         *bfad;
	struct bfad_itnim_s   *itnim = NULL;
	u64             port_name = 0;
	unsigned long   flags;

	shost = dev_to_shost(starget->dev.parent);
	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
	bfad = im_port->bfad;
	spin_lock_irqsave(&bfad->bfad_lock, flags);

	itnim = bfad_get_itnim(im_port, starget->id);
	if (itnim)
		port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);

	fc_starget_port_name(starget) = cpu_to_be64(port_name);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}

/*
 * FC transport template entry, get SCSI host port ID.
 */
static void
bfad_im_get_host_port_id(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_port_s    *port = im_port->port;

	fc_host_port_id(shost) =
			bfa_hton3b(bfa_fcs_lport_get_fcid(port->fcs_port));
}

/*
 * FC transport template entry, get SCSI host port type.
 */
static void
bfad_im_get_host_port_type(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s         *bfad = im_port->bfad;
	struct bfa_lport_attr_s port_attr;

	bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);

	switch (port_attr.port_type) {
	case BFA_PORT_TYPE_NPORT:
		fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
		break;
	case BFA_PORT_TYPE_NLPORT:
		fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
		break;
	case BFA_PORT_TYPE_P2P:
		fc_host_port_type(shost) = FC_PORTTYPE_PTP;
		break;
	case BFA_PORT_TYPE_LPORT:
		fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
		break;
	default:
		fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
		break;
	}
}

/*
 * FC transport template entry, get SCSI host port state.
 */
static void
bfad_im_get_host_port_state(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s         *bfad = im_port->bfad;
	struct bfa_port_attr_s attr;

	bfa_fcport_get_attr(&bfad->bfa, &attr);

	switch (attr.port_state) {
	case BFA_PORT_ST_LINKDOWN:
		fc_host_port_state