satip-axe/kernel/drivers/scsi/bfa/include/defs/bfa_defs_qos.h
2015-03-26 17:24:57 +01:00

100 lines
2.5 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.
*/
#ifndef __BFA_DEFS_QOS_H__
#define __BFA_DEFS_QOS_H__
/**
* QoS states
*/
enum bfa_qos_state {
BFA_QOS_ONLINE = 1, /* QoS is online */
BFA_QOS_OFFLINE = 2, /* QoS is offline */
};
/**
* QoS Priority levels.
*/
enum bfa_qos_priority {
BFA_QOS_UNKNOWN = 0,
BFA_QOS_HIGH = 1, /* QoS Priority Level High */
BFA_QOS_MED = 2, /* QoS Priority Level Medium */
BFA_QOS_LOW = 3, /* QoS Priority Level Low */
};
/**
* QoS bandwidth allocation for each priority level
*/
enum bfa_qos_bw_alloc {
BFA_QOS_BW_HIGH = 60, /* bandwidth allocation for High */
BFA_QOS_BW_MED = 30, /* bandwidth allocation for Medium */
BFA_QOS_BW_LOW = 10, /* bandwidth allocation for Low */
};
/**
* QoS attribute returned in QoS Query
*/
struct bfa_qos_attr_s {
enum bfa_qos_state state; /* QoS current state */
u32 total_bb_cr; /* Total BB Credits */
};
/**
* These fields should be displayed only from the CLI.
* There will be a separate BFAL API (get_qos_vc_attr ?)
* to retrieve this.
*
*/
#define BFA_QOS_MAX_VC 16
struct bfa_qos_vc_info_s {
u8 vc_credit;
u8 borrow_credit;
u8 priority;
u8 resvd;
};
struct bfa_qos_vc_attr_s {
u16 total_vc_count; /* Total VC Count */
u16 shared_credit;
u32 elp_opmode_flags;
struct bfa_qos_vc_info_s vc_info[BFA_QOS_MAX_VC]; /* as many as
* total_vc_count */
};
/**
* QoS statistics
*/
struct bfa_qos_stats_s {
u32 flogi_sent; /* QoS Flogi sent */
u32 flogi_acc_recvd; /* QoS Flogi Acc received */
u32 flogi_rjt_recvd; /* QoS Flogi rejects received */
u32 flogi_retries; /* QoS Flogi retries */
u32 elp_recvd; /* QoS ELP received */
u32 elp_accepted; /* QoS ELP Accepted */
u32 elp_rejected; /* QoS ELP rejected */
u32 elp_dropped; /* QoS ELP dropped */
u32 qos_rscn_recvd; /* QoS RSCN received */
u32 rsvd; /* padding for 64 bit alignment */
};
#endif /* __BFA_DEFS_QOS_H__ */