linux/drivers/scsi/bfa/include/fcb/bfa_fcb_port.h
Jing Huang 7725ccfda5 [SCSI] bfa: Brocade BFA FC SCSI driver
Add new driver for Brocade Hardware

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-10-02 09:47:40 -05:00

114 lines
3.6 KiB
C

/*
* 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.
*/
/**
* bfa_fcb_port.h BFA FCS virtual port driver interfaces
*/
#ifndef __BFA_FCB_PORT_H__
#define __BFA_FCB_PORT_H__
#include <fcb/bfa_fcb_vport.h>
/**
* fcs_port_fcb FCS port driver interfaces
*/
/*
* Forward declarations
*/
struct bfad_port_s;
/*
* Callback functions from BFA FCS to driver
*/
/**
* Call from FCS to driver module when a port is instantiated. The port
* can be a base port or a virtual port with in the base fabric or
* a virtual fabric.
*
* On this callback, driver is supposed to create scsi_host, scsi_tgt or
* network interfaces bases on ports personality/roles.
*
* base port of base fabric: vf_drv == NULL && vp_drv == NULL
* vport of base fabric: vf_drv == NULL && vp_drv != NULL
* base port of VF: vf_drv != NULL && vp_drv == NULL
* vport of VF: vf_drv != NULL && vp_drv != NULL
*
* @param[in] bfad - driver instance
* @param[in] port - FCS port instance
* @param[in] roles - port roles: IM, TM, IP
* @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF)
* @param[in] vp_drv - vport driver instance, NULL if base port
*
* @return None
*/
struct bfad_port_s *bfa_fcb_port_new(struct bfad_s *bfad,
struct bfa_fcs_port_s *port,
enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
struct bfad_vport_s *vp_drv);
/**
* Call from FCS to driver module when a port is deleted. The port
* can be a base port or a virtual port with in the base fabric or
* a virtual fabric.
*
* @param[in] bfad - driver instance
* @param[in] roles - port roles: IM, TM, IP
* @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF)
* @param[in] vp_drv - vport driver instance, NULL if base port
*
* @return None
*/
void bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv);
/**
* Notification when port transitions to ONLINE state.
*
* Online notification is a logical link up for the local port. This
* notification is sent after a successfull FLOGI, or a successful
* link initialization in proviate-loop or N2N topologies.
*
* @param[in] bfad - driver instance
* @param[in] roles - port roles: IM, TM, IP
* @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF)
* @param[in] vp_drv - vport driver instance, NULL if base port
*
* @return None
*/
void bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv);
/**
* Notification when port transitions to OFFLINE state.
*
* Offline notification is a logical link down for the local port.
*
* @param[in] bfad - driver instance
* @param[in] roles - port roles: IM, TM, IP
* @param[in] vf_drv - VF driver instance, NULL if base fabric (no VF)
* @param[in] vp_drv - vport driver instance, NULL if base port
*
* @return None
*/
void bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv);
#endif /* __BFA_FCB_PORT_H__ */