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4b5e759dca
BFA UF module did not hold lock when seding uf post buffer message to firmware causing CPE-Q corruption. Fix is to check present of FCS and if FCS present hold lock while posting UF buffers. Handle PRLO with sending acc to it and relogin with rport. Discard fcxp before any state change. Signed-off-by: Jing Huang <huangj@brocade.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
106 lines
4.0 KiB
C
106 lines
4.0 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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#ifndef __BFA_FCS_RPORT_H__
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#define __BFA_FCS_RPORT_H__
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#include <defs/bfa_defs_status.h>
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#include <cs/bfa_q.h>
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#include <fcs/bfa_fcs.h>
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#include <defs/bfa_defs_rport.h>
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#define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */
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/*
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* forward declarations
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*/
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struct bfad_rport_s;
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struct bfa_fcs_itnim_s;
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struct bfa_fcs_tin_s;
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struct bfa_fcs_iprp_s;
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/* Rport Features (RPF) */
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struct bfa_fcs_rpf_s {
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bfa_sm_t sm; /* state machine */
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struct bfa_fcs_rport_s *rport; /* parent rport */
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struct bfa_timer_s timer; /* general purpose timer */
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struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */
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struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */
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int rpsc_retries; /* max RPSC retry attempts */
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enum bfa_pport_speed rpsc_speed; /* Current Speed from RPSC.
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* O if RPSC fails */
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enum bfa_pport_speed assigned_speed; /* Speed assigned by the user.
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* will be used if RPSC is not
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* supported by the rport */
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};
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struct bfa_fcs_rport_s {
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struct list_head qe; /* used by port/vport */
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struct bfa_fcs_port_s *port; /* parent FCS port */
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struct bfa_fcs_s *fcs; /* fcs instance */
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struct bfad_rport_s *rp_drv; /* driver peer instance */
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u32 pid; /* port ID of rport */
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u16 maxfrsize; /* maximum frame size */
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u16 reply_oxid; /* OX_ID of inbound requests */
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enum fc_cos fc_cos; /* FC classes of service supp */
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bfa_boolean_t cisc; /* CISC capable device */
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bfa_boolean_t prlo; /* processing prlo or LOGO */
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wwn_t pwwn; /* port wwn of rport */
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wwn_t nwwn; /* node wwn of rport */
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struct bfa_rport_symname_s psym_name; /* port symbolic name */
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bfa_sm_t sm; /* state machine */
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struct bfa_timer_s timer; /* general purpose timer */
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struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */
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struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */
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struct bfa_fcs_iprp_s *iprp; /* IP/FC role */
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struct bfa_rport_s *bfa_rport; /* BFA Rport */
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struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */
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int plogi_retries; /* max plogi retry attempts */
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int ns_retries; /* max NS query retry attempts */
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struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */
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struct bfa_rport_stats_s stats; /* rport stats */
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enum bfa_rport_function scsi_function; /* Initiator/Target */
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struct bfa_fcs_rpf_s rpf; /* Rport features module */
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};
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static inline struct bfa_rport_s *
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bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport)
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{
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return rport->bfa_rport;
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}
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/**
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* bfa fcs rport API functions
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*/
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bfa_status_t 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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bfa_status_t bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport);
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void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
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struct bfa_rport_attr_s *attr);
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void 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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void bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport);
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struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port,
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wwn_t rpwwn);
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struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn(
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struct bfa_fcs_port_s *port, wwn_t rnwwn);
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void bfa_fcs_rport_set_del_timeout(u8 rport_tmo);
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void bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport,
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enum bfa_pport_speed speed);
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#endif /* __BFA_FCS_RPORT_H__ */
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