diff options
Diffstat (limited to 'drivers/scsi/bfa/include/bfa_svc.h')
| -rw-r--r-- | drivers/scsi/bfa/include/bfa_svc.h | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/include/bfa_svc.h b/drivers/scsi/bfa/include/bfa_svc.h new file mode 100644 index 000000000000..0c80b74f72ef --- /dev/null +++ b/drivers/scsi/bfa/include/bfa_svc.h @@ -0,0 +1,324 @@ +/* + * 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_SVC_H__ +#define __BFA_SVC_H__ + +/* + * forward declarations + */ +struct bfa_fcxp_s; + +#include <defs/bfa_defs_status.h> +#include <defs/bfa_defs_pport.h> +#include <defs/bfa_defs_rport.h> +#include <defs/bfa_defs_qos.h> +#include <cs/bfa_sm.h> +#include <bfa.h> + +/** + * BFA rport information. + */ +struct bfa_rport_info_s { + u16 max_frmsz; /* max rcv pdu size */ + u32 pid : 24, /* remote port ID */ + lp_tag : 8; + u32 local_pid : 24, /* local port ID */ + cisc : 8; /* CIRO supported */ + u8 fc_class; /* supported FC classes. enum fc_cos */ + u8 vf_en; /* virtual fabric enable */ + u16 vf_id; /* virtual fabric ID */ + enum bfa_pport_speed speed; /* Rport's current speed */ +}; + +/** + * BFA rport data structure + */ +struct bfa_rport_s { + struct list_head qe; /* queue element */ + bfa_sm_t sm; /* state machine */ + struct bfa_s *bfa; /* backpointer to BFA */ + void *rport_drv; /* fcs/driver rport object */ + u16 fw_handle; /* firmware rport handle */ + u16 rport_tag; /* BFA rport tag */ + struct bfa_rport_info_s rport_info; /* rport info from *fcs/driver */ + struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ + struct bfa_cb_qe_s hcb_qe; /* BFA callback qelem */ + struct bfa_rport_hal_stats_s stats; /* BFA rport statistics */ + struct bfa_rport_qos_attr_s qos_attr; + union a { + bfa_status_t status; /* f/w status */ + void *fw_msg; /* QoS scn event */ + } event_arg; +}; +#define BFA_RPORT_FC_COS(_rport) ((_rport)->rport_info.fc_class) + +/** + * Send completion callback. + */ +typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp, + void *cbarg, enum bfa_status req_status, + u32 rsp_len, u32 resid_len, + struct fchs_s *rsp_fchs); + +/** + * BFA fcxp allocation (asynchronous) + */ +typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp); + +struct bfa_fcxp_wqe_s { + struct list_head qe; + bfa_fcxp_alloc_cbfn_t alloc_cbfn; + void *alloc_cbarg; +}; + +typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid); +typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid); + +#define BFA_UF_BUFSZ (2 * 1024 + 256) + +/** + * @todo private + */ +struct bfa_uf_buf_s { + u8 d[BFA_UF_BUFSZ]; +}; + + +struct bfa_uf_s { + struct list_head qe; /* queue element */ + struct bfa_s *bfa; /* bfa instance */ + u16 uf_tag; /* identifying tag f/w messages */ + u16 vf_id; + u16 src_rport_handle; + u16 rsvd; + u8 *data_ptr; + u16 data_len; /* actual receive length */ + u16 pb_len; /* posted buffer length */ + void *buf_kva; /* buffer virtual address */ + u64 buf_pa; /* buffer physical address */ + struct bfa_cb_qe_s hcb_qe; /* comp: BFA comp qelem */ + struct bfa_sge_s sges[BFI_SGE_INLINE_MAX]; +}; + +typedef void (*bfa_cb_pport_t) (void *cbarg, enum bfa_status status); + +/** + * bfa lport login/logout service interface + */ +struct bfa_lps_s { + struct list_head qe; /* queue element */ + struct bfa_s *bfa; /* parent bfa instance */ + bfa_sm_t sm; /* finite state machine */ + u8 lp_tag; /* lport tag */ + u8 reqq; /* lport request queue */ + u8 alpa; /* ALPA for loop topologies */ + u32 lp_pid; /* lport port ID */ + bfa_boolean_t fdisc; /* send FDISC instead of FLOGI*/ + bfa_boolean_t auth_en; /* enable authentication */ + bfa_boolean_t auth_req; /* authentication required */ + bfa_boolean_t npiv_en; /* NPIV is allowed by peer */ + bfa_boolean_t fport; /* attached peer is F_PORT */ + bfa_boolean_t brcd_switch;/* attached peer is brcd switch */ + bfa_status_t status; /* login status */ + u16 pdusz; /* max receive PDU size */ + u16 pr_bbcred; /* BB_CREDIT from peer */ + u8 lsrjt_rsn; /* LSRJT reason */ + u8 lsrjt_expl; /* LSRJT explanation */ + wwn_t pwwn; /* port wwn of lport */ + wwn_t nwwn; /* node wwn of lport */ + wwn_t pr_pwwn; /* port wwn of lport peer */ + wwn_t pr_nwwn; /* node wwn of lport peer */ + mac_t lp_mac; /* fpma/spma MAC for lport */ + mac_t fcf_mac; /* FCF MAC of lport */ + struct bfa_reqq_wait_s wqe; /* request wait queue element */ + void *uarg; /* user callback arg */ + struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ + struct bfi_lps_login_rsp_s *loginrsp; + bfa_eproto_status_t ext_status; +}; + +/* + * bfa pport API functions + */ +bfa_status_t bfa_pport_enable(struct bfa_s *bfa); +bfa_status_t bfa_pport_disable(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_speed(struct bfa_s *bfa, + enum bfa_pport_speed speed); +enum bfa_pport_speed bfa_pport_get_speed(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_topology(struct bfa_s *bfa, + enum bfa_pport_topology topo); +enum bfa_pport_topology bfa_pport_get_topology(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa); +bfa_boolean_t bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa); +u8 bfa_pport_get_myalpa(struct bfa_s *bfa); +bfa_status_t bfa_pport_clr_hardalpa(struct bfa_s *bfa); +bfa_status_t bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize); +u16 bfa_pport_get_maxfrsize(struct bfa_s *bfa); +u32 bfa_pport_mypid(struct bfa_s *bfa); +u8 bfa_pport_get_rx_bbcredit(struct bfa_s *bfa); +bfa_status_t bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap); +bfa_status_t bfa_pport_trunk_disable(struct bfa_s *bfa); +bfa_boolean_t bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap); +void bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr); +wwn_t bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node); +bfa_status_t bfa_pport_get_stats(struct bfa_s *bfa, + union bfa_pport_stats_u *stats, + bfa_cb_pport_t cbfn, void *cbarg); +bfa_status_t bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, + void *cbarg); +void bfa_pport_event_register(struct bfa_s *bfa, + void (*event_cbfn) (void *cbarg, + bfa_pport_event_t event), void *event_cbarg); +bfa_boolean_t bfa_pport_is_disabled(struct bfa_s *bfa); +void bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off); +void bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off); +bfa_status_t bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, + enum bfa_pport_speed speed); +enum bfa_pport_speed bfa_pport_get_ratelim_speed(struct bfa_s *bfa); + +void bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit); +void bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status); +void bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon, + bfa_boolean_t link_e2e_beacon); +void bfa_cb_pport_event(void *cbarg, bfa_pport_event_t event); +void bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr); +void bfa_pport_qos_get_vc_attr(struct bfa_s *bfa, + struct bfa_qos_vc_attr_s *qos_vc_attr); +bfa_status_t bfa_pport_get_qos_stats(struct bfa_s *bfa, + union bfa_pport_stats_u *stats, + bfa_cb_pport_t cbfn, void *cbarg); +bfa_status_t bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, + void *cbarg); +bfa_boolean_t bfa_pport_is_ratelim(struct bfa_s *bfa); +bfa_boolean_t bfa_pport_is_linkup(struct bfa_s *bfa); + +/* + * bfa rport API functions + */ +struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv); +void bfa_rport_delete(struct bfa_rport_s *rport); +void bfa_rport_online(struct bfa_rport_s *rport, + struct bfa_rport_info_s *rport_info); +void bfa_rport_offline(struct bfa_rport_s *rport); +void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_pport_speed speed); +void bfa_rport_get_stats(struct bfa_rport_s *rport, + struct bfa_rport_hal_stats_s *stats); +void bfa_rport_clear_stats(struct bfa_rport_s *rport); +void bfa_cb_rport_online(void *rport); +void bfa_cb_rport_offline(void *rport); +void bfa_cb_rport_qos_scn_flowid(void *rport, + struct bfa_rport_qos_attr_s old_qos_attr, + struct bfa_rport_qos_attr_s new_qos_attr); +void bfa_cb_rport_qos_scn_prio(void *rport, + struct bfa_rport_qos_attr_s old_qos_attr, + struct bfa_rport_qos_attr_s new_qos_attr); +void bfa_rport_get_qos_attr(struct bfa_rport_s *rport, + struct bfa_rport_qos_attr_s *qos_attr); + +/* + * bfa fcxp API functions + */ +struct bfa_fcxp_s *bfa_fcxp_alloc(void *bfad_fcxp, struct bfa_s *bfa, + int nreq_sgles, int nrsp_sgles, + bfa_fcxp_get_sgaddr_t get_req_sga, + bfa_fcxp_get_sglen_t get_req_sglen, + bfa_fcxp_get_sgaddr_t get_rsp_sga, + bfa_fcxp_get_sglen_t get_rsp_sglen); +void bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, + bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *cbarg); +void bfa_fcxp_walloc_cancel(struct bfa_s *bfa, + struct bfa_fcxp_wqe_s *wqe); +void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp); + +void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp); +void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp); + +void bfa_fcxp_free(struct bfa_fcxp_s *fcxp); + +void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, + struct bfa_rport_s *rport, u16 vf_id, u8 lp_tag, + bfa_boolean_t cts, enum fc_cos cos, + u32 reqlen, struct fchs_s *fchs, + bfa_cb_fcxp_send_t cbfn, + void *cbarg, + u32 rsp_maxlen, u8 rsp_timeout); +bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp); +u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp); +u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa); + +static inline void * +bfa_uf_get_frmbuf(struct bfa_uf_s *uf) +{ + return uf->data_ptr; +} + +static inline u16 +bfa_uf_get_frmlen(struct bfa_uf_s *uf) +{ + return uf->data_len; +} + +/** + * Callback prototype for unsolicited frame receive handler. + * + * @param[in] cbarg callback arg for receive handler + * @param[in] uf unsolicited frame descriptor + * + * @return None + */ +typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf); + +/* + * bfa uf API functions + */ +void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, + void *cbarg); +void bfa_uf_free(struct bfa_uf_s *uf); + +/** + * bfa lport service api + */ + +struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa); +void bfa_lps_delete(struct bfa_lps_s *lps); +void bfa_lps_discard(struct bfa_lps_s *lps); +void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz, + wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en); +void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn, + wwn_t nwwn); +void bfa_lps_flogo(struct bfa_lps_s *lps); +void bfa_lps_fdisclogo(struct bfa_lps_s *lps); +u8 bfa_lps_get_tag(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_npiv_en(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_fport(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_brcd_fabric(struct bfa_lps_s *lps); +bfa_boolean_t bfa_lps_is_authreq(struct bfa_lps_s *lps); +bfa_eproto_status_t bfa_lps_get_extstatus(struct bfa_lps_s *lps); +u32 bfa_lps_get_pid(struct bfa_lps_s *lps); +u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid); +u16 bfa_lps_get_peer_bbcredit(struct bfa_lps_s *lps); +wwn_t bfa_lps_get_peer_pwwn(struct bfa_lps_s *lps); +wwn_t bfa_lps_get_peer_nwwn(struct bfa_lps_s *lps); +u8 bfa_lps_get_lsrjt_rsn(struct bfa_lps_s *lps); +u8 bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps); +void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status); +void bfa_cb_lps_flogo_comp(void *bfad, void *uarg); +void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status); +void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg); + +#endif /* __BFA_SVC_H__ */ + |