325 lines
12 KiB
C
325 lines
12 KiB
C
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/*
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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_SVC_H__
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#define __BFA_SVC_H__
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/*
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* forward declarations
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*/
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struct bfa_fcxp_s;
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#include <defs/bfa_defs_status.h>
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#include <defs/bfa_defs_pport.h>
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#include <defs/bfa_defs_rport.h>
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#include <defs/bfa_defs_qos.h>
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#include <cs/bfa_sm.h>
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#include <bfa.h>
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/**
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* BFA rport information.
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*/
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struct bfa_rport_info_s {
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u16 max_frmsz; /* max rcv pdu size */
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u32 pid : 24, /* remote port ID */
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lp_tag : 8;
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u32 local_pid : 24, /* local port ID */
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cisc : 8; /* CIRO supported */
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u8 fc_class; /* supported FC classes. enum fc_cos */
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u8 vf_en; /* virtual fabric enable */
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u16 vf_id; /* virtual fabric ID */
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enum bfa_pport_speed speed; /* Rport's current speed */
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};
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/**
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* BFA rport data structure
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*/
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struct bfa_rport_s {
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struct list_head qe; /* queue element */
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bfa_sm_t sm; /* state machine */
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struct bfa_s *bfa; /* backpointer to BFA */
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void *rport_drv; /* fcs/driver rport object */
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u16 fw_handle; /* firmware rport handle */
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u16 rport_tag; /* BFA rport tag */
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struct bfa_rport_info_s rport_info; /* rport info from *fcs/driver */
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struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
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struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */
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struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */
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struct bfa_rport_qos_attr_s qos_attr;
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union a {
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bfa_status_t status; /* f/w status */
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void *fw_msg; /* QoS scn event */
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} event_arg;
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};
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#define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class)
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/**
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* Send completion callback.
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*/
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typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp,
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void *cbarg, enum bfa_status req_status,
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u32 rsp_len, u32 resid_len,
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struct fchs_s *rsp_fchs);
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/**
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* BFA fcxp allocation (asynchronous)
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*/
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typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);
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struct bfa_fcxp_wqe_s {
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struct list_head qe;
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bfa_fcxp_alloc_cbfn_t alloc_cbfn;
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void *alloc_cbarg;
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};
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typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);
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typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);
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#define BFA_UF_BUFSZ (2 * 1024 + 256)
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/**
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* @todo private
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*/
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struct bfa_uf_buf_s {
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u8 d[BFA_UF_BUFSZ];
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};
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struct bfa_uf_s {
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struct list_head qe; /* queue element */
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struct bfa_s *bfa; /* bfa instance */
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u16 uf_tag; /* identifying tag f/w messages */
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u16 vf_id;
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u16 src_rport_handle;
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u16 rsvd;
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u8 *data_ptr;
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u16 data_len; /* actual receive length */
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u16 pb_len; /* posted buffer length */
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void *buf_kva; /* buffer virtual address */
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u64 buf_pa; /* buffer physical address */
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struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */
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struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];
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};
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typedef void (*bfa_cb_pport_t) (void *cbarg, enum bfa_status status);
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/**
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* bfa lport login/logout service interface
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*/
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struct bfa_lps_s {
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struct list_head qe; /* queue element */
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struct bfa_s *bfa; /* parent bfa instance */
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bfa_sm_t sm; /* finite state machine */
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u8 lp_tag; /* lport tag */
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u8 reqq; /* lport request queue */
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u8 alpa; /* ALPA for loop topologies */
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u32 lp_pid; /* lport port ID */
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bfa_boolean_t fdisc; /* send FDISC instead of FLOGI*/
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bfa_boolean_t auth_en; /* enable authentication */
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bfa_boolean_t auth_req; /* authentication required */
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bfa_boolean_t npiv_en; /* NPIV is allowed by peer */
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bfa_boolean_t fport; /* attached peer is F_PORT */
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bfa_boolean_t brcd_switch;/* attached peer is brcd switch */
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bfa_status_t status; /* login status */
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u16 pdusz; /* max receive PDU size */
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u16 pr_bbcred; /* BB_CREDIT from peer */
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u8 lsrjt_rsn; /* LSRJT reason */
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u8 lsrjt_expl; /* LSRJT explanation */
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wwn_t pwwn; /* port wwn of lport */
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wwn_t nwwn; /* node wwn of lport */
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wwn_t pr_pwwn; /* port wwn of lport peer */
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wwn_t pr_nwwn; /* node wwn of lport peer */
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mac_t lp_mac; /* fpma/spma MAC for lport */
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mac_t fcf_mac; /* FCF MAC of lport */
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struct bfa_reqq_wait_s wqe; /* request wait queue element */
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void *uarg; /* user callback arg */
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struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */
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struct bfi_lps_login_rsp_s *loginrsp;
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bfa_eproto_status_t ext_status;
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};
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/*
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* bfa pport API functions
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*/
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bfa_status_t bfa_pport_enable(struct bfa_s *bfa);
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bfa_status_t bfa_pport_disable(struct bfa_s *bfa);
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bfa_status_t bfa_pport_cfg_speed(struct bfa_s *bfa,
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enum bfa_pport_speed speed);
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enum bfa_pport_speed bfa_pport_get_speed(struct bfa_s *bfa);
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bfa_status_t bfa_pport_cfg_topology(struct bfa_s *bfa,
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enum bfa_pport_topology topo);
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enum bfa_pport_topology bfa_pport_get_topology(struct bfa_s *bfa);
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bfa_status_t bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
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bfa_boolean_t bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
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u8 bfa_pport_get_myalpa(struct bfa_s *bfa);
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bfa_status_t bfa_pport_clr_hardalpa(struct bfa_s *bfa);
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bfa_status_t bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
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u16 bfa_pport_get_maxfrsize(struct bfa_s *bfa);
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u32 bfa_pport_mypid(struct bfa_s *bfa);
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u8 bfa_pport_get_rx_bbcredit(struct bfa_s *bfa);
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bfa_status_t bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap);
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bfa_status_t bfa_pport_trunk_disable(struct bfa_s *bfa);
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bfa_boolean_t bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap);
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void bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr);
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wwn_t bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
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bfa_status_t bfa_pport_get_stats(struct bfa_s *bfa,
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union bfa_pport_stats_u *stats,
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bfa_cb_pport_t cbfn, void *cbarg);
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bfa_status_t bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn,
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void *cbarg);
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void bfa_pport_event_register(struct bfa_s *bfa,
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void (*event_cbfn) (void *cbarg,
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bfa_pport_event_t event), void *event_cbarg);
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bfa_boolean_t bfa_pport_is_disabled(struct bfa_s *bfa);
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void bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off);
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void bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off);
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bfa_status_t bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa,
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enum bfa_pport_speed speed);
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enum bfa_pport_speed bfa_pport_get_ratelim_speed(struct bfa_s *bfa);
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void bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);
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void bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status);
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void bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon,
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bfa_boolean_t link_e2e_beacon);
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void bfa_cb_pport_event(void *cbarg, bfa_pport_event_t event);
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void bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr);
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void bfa_pport_qos_get_vc_attr(struct bfa_s *bfa,
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struct bfa_qos_vc_attr_s *qos_vc_attr);
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bfa_status_t bfa_pport_get_qos_stats(struct bfa_s *bfa,
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union bfa_pport_stats_u *stats,
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bfa_cb_pport_t cbfn, void *cbarg);
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bfa_status_t bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn,
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void *cbarg);
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bfa_boolean_t bfa_pport_is_ratelim(struct bfa_s *bfa);
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bfa_boolean_t bfa_pport_is_linkup(struct bfa_s *bfa);
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/*
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* bfa rport API functions
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*/
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struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);
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void bfa_rport_delete(struct bfa_rport_s *rport);
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void bfa_rport_online(struct bfa_rport_s *rport,
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struct bfa_rport_info_s *rport_info);
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void bfa_rport_offline(struct bfa_rport_s *rport);
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void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_pport_speed speed);
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void bfa_rport_get_stats(struct bfa_rport_s *rport,
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struct bfa_rport_hal_stats_s *stats);
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void bfa_rport_clear_stats(struct bfa_rport_s *rport);
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void bfa_cb_rport_online(void *rport);
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void bfa_cb_rport_offline(void *rport);
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void bfa_cb_rport_qos_scn_flowid(void *rport,
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struct bfa_rport_qos_attr_s old_qos_attr,
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struct bfa_rport_qos_attr_s new_qos_attr);
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void bfa_cb_rport_qos_scn_prio(void *rport,
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struct bfa_rport_qos_attr_s old_qos_attr,
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struct bfa_rport_qos_attr_s new_qos_attr);
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void bfa_rport_get_qos_attr(struct bfa_rport_s *rport,
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struct bfa_rport_qos_attr_s *qos_attr);
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/*
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* bfa fcxp API functions
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*/
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struct bfa_fcxp_s *bfa_fcxp_alloc(void *bfad_fcxp, struct bfa_s *bfa,
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int nreq_sgles, int nrsp_sgles,
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bfa_fcxp_get_sgaddr_t get_req_sga,
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bfa_fcxp_get_sglen_t get_req_sglen,
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bfa_fcxp_get_sgaddr_t get_rsp_sga,
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bfa_fcxp_get_sglen_t get_rsp_sglen);
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void bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
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bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *cbarg);
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void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,
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struct bfa_fcxp_wqe_s *wqe);
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void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);
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void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);
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void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);
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void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);
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void bfa_fcxp_send(struct bfa_fcxp_s *fcxp,
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struct bfa_rport_s *rport, u16 vf_id, u8 lp_tag,
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bfa_boolean_t cts, enum fc_cos cos,
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u32 reqlen, struct fchs_s *fchs,
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bfa_cb_fcxp_send_t cbfn,
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void *cbarg,
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u32 rsp_maxlen, u8 rsp_timeout);
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bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);
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u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);
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u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);
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static inline void *
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bfa_uf_get_frmbuf(struct bfa_uf_s *uf)
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{
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return uf->data_ptr;
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}
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static inline u16
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bfa_uf_get_frmlen(struct bfa_uf_s *uf)
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{
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return uf->data_len;
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}
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/**
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* Callback prototype for unsolicited frame receive handler.
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*
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* @param[in] cbarg callback arg for receive handler
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* @param[in] uf unsolicited frame descriptor
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*
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* @return None
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*/
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typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);
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/*
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* bfa uf API functions
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*/
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void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,
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void *cbarg);
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void bfa_uf_free(struct bfa_uf_s *uf);
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/**
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* bfa lport service api
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*/
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struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
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void bfa_lps_delete(struct bfa_lps_s *lps);
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void bfa_lps_discard(struct bfa_lps_s *lps);
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void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
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wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en);
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void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
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wwn_t nwwn);
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void bfa_lps_flogo(struct bfa_lps_s *lps);
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void bfa_lps_fdisclogo(struct bfa_lps_s *lps);
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u8 bfa_lps_get_tag(struct bfa_lps_s *lps);
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bfa_boolean_t bfa_lps_is_npiv_en(struct bfa_lps_s *lps);
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bfa_boolean_t bfa_lps_is_fport(struct bfa_lps_s *lps);
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bfa_boolean_t bfa_lps_is_brcd_fabric(struct bfa_lps_s *lps);
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bfa_boolean_t bfa_lps_is_authreq(struct bfa_lps_s *lps);
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bfa_eproto_status_t bfa_lps_get_extstatus(struct bfa_lps_s *lps);
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u32 bfa_lps_get_pid(struct bfa_lps_s *lps);
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u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);
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u16 bfa_lps_get_peer_bbcredit(struct bfa_lps_s *lps);
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wwn_t bfa_lps_get_peer_pwwn(struct bfa_lps_s *lps);
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wwn_t bfa_lps_get_peer_nwwn(struct bfa_lps_s *lps);
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u8 bfa_lps_get_lsrjt_rsn(struct bfa_lps_s *lps);
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u8 bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps);
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void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
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void bfa_cb_lps_flogo_comp(void *bfad, void *uarg);
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void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
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void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
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#endif /* __BFA_SVC_H__ */
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