diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs.h')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs.h | 880 |
1 files changed, 880 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs.h b/drivers/scsi/bfa/bfa_fcs.h new file mode 100644 index 000000000..e60f72b76 --- /dev/null +++ b/drivers/scsi/bfa/bfa_fcs.h @@ -0,0 +1,880 @@ +/* + * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. + * Copyright (c) 2014- QLogic Corporation. + * All rights reserved + * www.qlogic.com + * + * Linux driver for QLogic BR-series 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_FCS_H__ +#define __BFA_FCS_H__ + +#include "bfa_cs.h" +#include "bfa_defs.h" +#include "bfa_defs_fcs.h" +#include "bfa_modules.h" +#include "bfa_fc.h" + +#define BFA_FCS_OS_STR_LEN 64 + +/* + * lps_pvt BFA LPS private functions + */ + +enum bfa_lps_event { + BFA_LPS_SM_LOGIN = 1, /* login request from user */ + BFA_LPS_SM_LOGOUT = 2, /* logout request from user */ + BFA_LPS_SM_FWRSP = 3, /* f/w response to login/logout */ + BFA_LPS_SM_RESUME = 4, /* space present in reqq queue */ + BFA_LPS_SM_DELETE = 5, /* lps delete from user */ + BFA_LPS_SM_OFFLINE = 6, /* Link is offline */ + BFA_LPS_SM_RX_CVL = 7, /* Rx clear virtual link */ + BFA_LPS_SM_SET_N2N_PID = 8, /* Set assigned PID for n2n */ +}; + + +/* + * !!! Only append to the enums defined here to avoid any versioning + * !!! needed between trace utility and driver version + */ +enum { + BFA_TRC_FCS_FCS = 1, + BFA_TRC_FCS_PORT = 2, + BFA_TRC_FCS_RPORT = 3, + BFA_TRC_FCS_FCPIM = 4, +}; + + +struct bfa_fcs_s; + +#define __fcs_min_cfg(__fcs) ((__fcs)->min_cfg) + +#define BFA_FCS_BRCD_SWITCH_OUI 0x051e +#define N2N_LOCAL_PID 0x010000 +#define N2N_REMOTE_PID 0x020000 +#define BFA_FCS_RETRY_TIMEOUT 2000 +#define BFA_FCS_MAX_NS_RETRIES 5 +#define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0) +#define BFA_FCS_MAX_RPORT_LOGINS 1024 + +struct bfa_fcs_lport_ns_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_lport_s *port; /* parent port */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; + u8 num_rnnid_retries; + u8 num_rsnn_nn_retries; +}; + + +struct bfa_fcs_lport_scn_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_lport_s *port; /* parent port */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; +}; + + +struct bfa_fcs_lport_fdmi_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_lport_ms_s *ms; /* parent ms */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; + u8 retry_cnt; /* retry count */ + u8 rsvd[3]; +}; + + +struct bfa_fcs_lport_ms_s { + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; + struct bfa_fcs_lport_s *port; /* parent port */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; + struct bfa_fcs_lport_fdmi_s fdmi; /* FDMI component of MS */ + u8 retry_cnt; /* retry count */ + u8 rsvd[3]; +}; + + +struct bfa_fcs_lport_fab_s { + struct bfa_fcs_lport_ns_s ns; /* NS component of port */ + struct bfa_fcs_lport_scn_s scn; /* scn component of port */ + struct bfa_fcs_lport_ms_s ms; /* MS component of port */ +}; + +#define MAX_ALPA_COUNT 127 + +struct bfa_fcs_lport_loop_s { + u8 num_alpa; /* Num of ALPA entries in the map */ + u8 alpabm_valid; /* alpa bitmap valid or not (1 or 0) */ + u8 alpa_pos_map[MAX_ALPA_COUNT]; /* ALPA Positional Map */ + struct bfa_fcs_lport_s *port; /* parent port */ +}; + +struct bfa_fcs_lport_n2n_s { + u32 rsvd; + __be16 reply_oxid; /* ox_id from the req flogi to be + *used in flogi acc */ + wwn_t rem_port_wwn; /* Attached port's wwn */ +}; + + +union bfa_fcs_lport_topo_u { + struct bfa_fcs_lport_fab_s pfab; + struct bfa_fcs_lport_loop_s ploop; + struct bfa_fcs_lport_n2n_s pn2n; +}; + + +struct bfa_fcs_lport_s { + struct list_head qe; /* used by port/vport */ + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_fabric_s *fabric; /* parent fabric */ + struct bfa_lport_cfg_s port_cfg; /* port configuration */ + struct bfa_timer_s link_timer; /* timer for link offline */ + u32 pid:24; /* FC address */ + u8 lp_tag; /* lport tag */ + u16 num_rports; /* Num of r-ports */ + struct list_head rport_q; /* queue of discovered r-ports */ + struct bfa_fcs_s *fcs; /* FCS instance */ + union bfa_fcs_lport_topo_u port_topo; /* fabric/loop/n2n details */ + struct bfad_port_s *bfad_port; /* driver peer instance */ + struct bfa_fcs_vport_s *vport; /* NULL for base ports */ + struct bfa_fcxp_s *fcxp; + struct bfa_fcxp_wqe_s fcxp_wqe; + struct bfa_lport_stats_s stats; + struct bfa_wc_s wc; /* waiting counter for events */ +}; +#define BFA_FCS_GET_HAL_FROM_PORT(port) (port->fcs->bfa) +#define BFA_FCS_GET_NS_FROM_PORT(port) (&port->port_topo.pfab.ns) +#define BFA_FCS_GET_SCN_FROM_PORT(port) (&port->port_topo.pfab.scn) +#define BFA_FCS_GET_MS_FROM_PORT(port) (&port->port_topo.pfab.ms) +#define BFA_FCS_GET_FDMI_FROM_PORT(port) (&port->port_topo.pfab.ms.fdmi) +#define BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \ + (port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) + +/* + * forward declaration + */ +struct bfad_vf_s; + +enum bfa_fcs_fabric_type { + BFA_FCS_FABRIC_UNKNOWN = 0, + BFA_FCS_FABRIC_SWITCHED = 1, + BFA_FCS_FABRIC_N2N = 2, + BFA_FCS_FABRIC_LOOP = 3, +}; + + +struct bfa_fcs_fabric_s { + struct list_head qe; /* queue element */ + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_s *fcs; /* FCS instance */ + struct bfa_fcs_lport_s bport; /* base logical port */ + enum bfa_fcs_fabric_type fab_type; /* fabric type */ + enum bfa_port_type oper_type; /* current link topology */ + u8 is_vf; /* is virtual fabric? */ + u8 is_npiv; /* is NPIV supported ? */ + u8 is_auth; /* is Security/Auth supported ? */ + u16 bb_credit; /* BB credit from fabric */ + u16 vf_id; /* virtual fabric ID */ + u16 num_vports; /* num vports */ + u16 rsvd; + struct list_head vport_q; /* queue of virtual ports */ + struct list_head vf_q; /* queue of virtual fabrics */ + struct bfad_vf_s *vf_drv; /* driver vf structure */ + struct bfa_timer_s link_timer; /* Link Failure timer. Vport */ + wwn_t fabric_name; /* attached fabric name */ + bfa_boolean_t auth_reqd; /* authentication required */ + struct bfa_timer_s delay_timer; /* delay timer */ + union { + u16 swp_vfid;/* switch port VF id */ + } event_arg; + struct bfa_wc_s wc; /* wait counter for delete */ + struct bfa_vf_stats_s stats; /* fabric/vf stats */ + struct bfa_lps_s *lps; /* lport login services */ + u8 fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; + /* attached fabric's ip addr */ + struct bfa_wc_s stop_wc; /* wait counter for stop */ +}; + +#define bfa_fcs_fabric_npiv_capable(__f) ((__f)->is_npiv) +#define bfa_fcs_fabric_is_switched(__f) \ + ((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED) + +/* + * The design calls for a single implementation of base fabric and vf. + */ +#define bfa_fcs_vf_t struct bfa_fcs_fabric_s + +struct bfa_vf_event_s { + u32 undefined; +}; + +struct bfa_fcs_s; +struct bfa_fcs_fabric_s; + +/* + * @todo : need to move to a global config file. + * Maximum Rports supported per port (physical/logical). + */ +#define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */ + +#define bfa_fcs_lport_t struct bfa_fcs_lport_s + +/* + * Symbolic Name related defines + * Total bytes 255. + * Physical Port's symbolic name 128 bytes. + * For Vports, Vport's symbolic name is appended to the Physical port's + * Symbolic Name. + * + * Physical Port's symbolic name Format : (Total 128 bytes) + * Adapter Model number/name : 16 bytes + * Driver Version : 10 bytes + * Host Machine Name : 30 bytes + * Host OS Info : 44 bytes + * Host OS PATCH Info : 16 bytes + * ( remaining 12 bytes reserved to be used for separator) + */ +#define BFA_FCS_PORT_SYMBNAME_SEPARATOR " | " + +#define BFA_FCS_PORT_SYMBNAME_MODEL_SZ 16 +#define BFA_FCS_PORT_SYMBNAME_VERSION_SZ 10 +#define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ 30 +#define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 44 +#define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 + +/* + * Get FC port ID for a logical port. + */ +#define bfa_fcs_lport_get_fcid(_lport) ((_lport)->pid) +#define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) +#define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) +#define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) +#define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name) +#define bfa_fcs_lport_is_initiator(_lport) \ + ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) +#define bfa_fcs_lport_get_nrports(_lport) \ + ((_lport) ? (_lport)->num_rports : 0) + +static inline struct bfad_port_s * +bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port) +{ + return port->bfad_port; +} + +#define bfa_fcs_lport_get_opertype(_lport) ((_lport)->fabric->oper_type) +#define bfa_fcs_lport_get_fabric_name(_lport) ((_lport)->fabric->fabric_name) +#define bfa_fcs_lport_get_fabric_ipaddr(_lport) \ + ((_lport)->fabric->fabric_ip_addr) + +/* + * bfa fcs port public functions + */ + +bfa_boolean_t bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port); +struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs); +void bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port, + struct bfa_rport_qualifier_s rport[], int *nrports); +wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, + int index, int nrports, bfa_boolean_t bwwn); + +struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, + u16 vf_id, wwn_t lpwwn); + +void bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port, char *symname); +void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, + struct bfa_lport_info_s *port_info); +void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port, + struct bfa_lport_attr_s *port_attr); +void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, + struct bfa_lport_stats_s *port_stats); +void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port); +enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed( + struct bfa_fcs_lport_s *port); + +/* MS FCS routines */ +void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port); +void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port); +void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port); +void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port); + +/* FDMI FCS routines */ +void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms); +void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms); +void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms); +void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs, + u16 len); +void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_fcs_vport_s *vport); +void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, + struct bfa_lport_cfg_s *port_cfg); +void bfa_fcs_lport_online(struct bfa_fcs_lport_s *port); +void bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port); +void bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port); +void bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port); +struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid( + struct bfa_fcs_lport_s *port, u32 pid); +struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_old_pid( + struct bfa_fcs_lport_s *port, u32 pid); +struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn( + struct bfa_fcs_lport_s *port, wwn_t pwwn); +struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn( + struct bfa_fcs_lport_s *port, wwn_t nwwn); +struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_qualifier( + struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 pid); +void bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port, + struct bfa_fcs_rport_s *rport); +void bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port, + struct bfa_fcs_rport_s *rport); +void bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport); +void bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport); +void bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport); +void bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port); +void bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, + struct bfa_fcxp_s *fcxp_alloced); +void bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport); +void bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport); +void bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport); +void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, + struct fchs_s *rx_frame, u32 len); +void bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port); + +struct bfa_fcs_vport_s { + struct list_head qe; /* queue elem */ + bfa_sm_t sm; /* state machine */ + bfa_fcs_lport_t lport; /* logical port */ + struct bfa_timer_s timer; + struct bfad_vport_s *vport_drv; /* Driver private */ + struct bfa_vport_stats_s vport_stats; /* vport statistics */ + struct bfa_lps_s *lps; /* Lport login service*/ + int fdisc_retries; +}; + +#define bfa_fcs_vport_get_port(vport) \ + ((struct bfa_fcs_lport_s *)(&vport->port)) + +/* + * bfa fcs vport public functions + */ +bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, + struct bfa_fcs_s *fcs, u16 vf_id, + struct bfa_lport_cfg_s *port_cfg, + struct bfad_vport_s *vport_drv); +bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, + struct bfa_fcs_s *fcs, u16 vf_id, + struct bfa_lport_cfg_s *port_cfg, + struct bfad_vport_s *vport_drv); +bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport); +bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport); +bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport); +bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, + struct bfa_vport_attr_s *vport_attr); +struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, + u16 vf_id, wwn_t vpwwn); +void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport); +void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport); + +#define BFA_FCS_RPORT_DEF_DEL_TIMEOUT 90 /* in secs */ +#define BFA_FCS_RPORT_MAX_RETRIES (5) + +/* + * forward declarations + */ +struct bfad_rport_s; + +struct bfa_fcs_itnim_s; +struct bfa_fcs_tin_s; +struct bfa_fcs_iprp_s; + +/* Rport Features (RPF) */ +struct bfa_fcs_rpf_s { + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_rport_s *rport; /* parent rport */ + struct bfa_timer_s timer; /* general purpose timer */ + struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ + struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ + int rpsc_retries; /* max RPSC retry attempts */ + enum bfa_port_speed rpsc_speed; + /* Current Speed from RPSC. O if RPSC fails */ + enum bfa_port_speed assigned_speed; + /* + * Speed assigned by the user. will be used if RPSC is + * not supported by the rport. + */ +}; + +struct bfa_fcs_rport_s { + struct list_head qe; /* used by port/vport */ + struct bfa_fcs_lport_s *port; /* parent FCS port */ + struct bfa_fcs_s *fcs; /* fcs instance */ + struct bfad_rport_s *rp_drv; /* driver peer instance */ + u32 pid; /* port ID of rport */ + u32 old_pid; /* PID before rport goes offline */ + u16 maxfrsize; /* maximum frame size */ + __be16 reply_oxid; /* OX_ID of inbound requests */ + enum fc_cos fc_cos; /* FC classes of service supp */ + bfa_boolean_t cisc; /* CISC capable device */ + bfa_boolean_t prlo; /* processing prlo or LOGO */ + bfa_boolean_t plogi_pending; /* Rx Plogi Pending */ + wwn_t pwwn; /* port wwn of rport */ + wwn_t nwwn; /* node wwn of rport */ + struct bfa_rport_symname_s psym_name; /* port symbolic name */ + bfa_sm_t sm; /* state machine */ + struct bfa_timer_s timer; /* general purpose timer */ + struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ + struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ + struct bfa_fcs_iprp_s *iprp; /* IP/FC role */ + struct bfa_rport_s *bfa_rport; /* BFA Rport */ + struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ + int plogi_retries; /* max plogi retry attempts */ + int ns_retries; /* max NS query retry attempts */ + struct bfa_fcxp_wqe_s fcxp_wqe; /* fcxp wait queue element */ + struct bfa_rport_stats_s stats; /* rport stats */ + enum bfa_rport_function scsi_function; /* Initiator/Target */ + struct bfa_fcs_rpf_s rpf; /* Rport features module */ + bfa_boolean_t scn_online; /* SCN online flag */ +}; + +static inline struct bfa_rport_s * +bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport) +{ + return rport->bfa_rport; +} + +/* + * bfa fcs rport API functions + */ +void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, + struct bfa_rport_attr_s *attr); +struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, + wwn_t rpwwn); +struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn( + struct bfa_fcs_lport_s *port, wwn_t rnwwn); +void bfa_fcs_rport_set_del_timeout(u8 rport_tmo); +void bfa_fcs_rport_set_max_logins(u32 max_logins); +void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, + struct fchs_s *fchs, u16 len); +void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport); + +struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, + u32 pid); +void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, + struct fc_logi_s *plogi_rsp); +void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, + struct fchs_s *rx_fchs, + struct fc_logi_s *plogi); +void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, + struct fc_logi_s *plogi); +void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id); + +void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport); +int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport); +struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn( + struct bfa_fcs_lport_s *port, wwn_t wwn); +void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport); +void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); + +/* + * forward declarations + */ +struct bfad_itnim_s; + +struct bfa_fcs_itnim_s { + bfa_sm_t sm; /* state machine */ + struct bfa_fcs_rport_s *rport; /* parent remote rport */ + struct bfad_itnim_s *itnim_drv; /* driver peer instance */ + struct bfa_fcs_s *fcs; /* fcs instance */ + struct bfa_timer_s timer; /* timer functions */ + struct bfa_itnim_s *bfa_itnim; /* BFA itnim struct */ + u32 prli_retries; /* max prli retry attempts */ + bfa_boolean_t seq_rec; /* seq recovery support */ + bfa_boolean_t rec_support; /* REC supported */ + bfa_boolean_t conf_comp; /* FCP_CONF support */ + bfa_boolean_t task_retry_id; /* task retry id supp */ + struct bfa_fcxp_wqe_s fcxp_wqe; /* wait qelem for fcxp */ + struct bfa_fcxp_s *fcxp; /* FCXP in use */ + struct bfa_itnim_stats_s stats; /* itn statistics */ +}; +#define bfa_fcs_fcxp_alloc(__fcs, __req) \ + bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0, \ + NULL, NULL, NULL, NULL, __req) +#define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ + __alloc_cbarg, __req) \ + bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ + __alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req) + +static inline struct bfad_port_s * +bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->port->bfad_port; +} + + +static inline struct bfa_fcs_lport_s * +bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->port; +} + + +static inline wwn_t +bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->nwwn; +} + + +static inline wwn_t +bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->pwwn; +} + + +static inline u32 +bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->pid; +} + + +static inline u32 +bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->maxfrsize; +} + + +static inline enum fc_cos +bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->rport->fc_cos; +} + + +static inline struct bfad_itnim_s * +bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->itnim_drv; +} + + +static inline struct bfa_itnim_s * +bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim) +{ + return itnim->bfa_itnim; +} + +/* + * bfa fcs FCP Initiator mode API functions + */ +void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim, + struct bfa_itnim_attr_s *attr); +void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim, + struct bfa_itnim_stats_s *stats); +struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port, + wwn_t rpwwn); +bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, + struct bfa_itnim_attr_s *attr); +bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, + struct bfa_itnim_stats_s *stats); +bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port, + wwn_t rpwwn); +struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport); +void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_itnim_brp_online(struct bfa_fcs_itnim_s *itnim); +bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim); +void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, + struct fchs_s *fchs, u16 len); + +#define BFA_FCS_FDMI_SUPP_SPEEDS_4G (FDMI_TRANS_SPEED_1G | \ + FDMI_TRANS_SPEED_2G | \ + FDMI_TRANS_SPEED_4G) + +#define BFA_FCS_FDMI_SUPP_SPEEDS_8G (FDMI_TRANS_SPEED_1G | \ + FDMI_TRANS_SPEED_2G | \ + FDMI_TRANS_SPEED_4G | \ + FDMI_TRANS_SPEED_8G) + +#define BFA_FCS_FDMI_SUPP_SPEEDS_16G (FDMI_TRANS_SPEED_2G | \ + FDMI_TRANS_SPEED_4G | \ + FDMI_TRANS_SPEED_8G | \ + FDMI_TRANS_SPEED_16G) + +#define BFA_FCS_FDMI_SUPP_SPEEDS_10G FDMI_TRANS_SPEED_10G + +#define BFA_FCS_FDMI_VENDOR_INFO_LEN 8 +#define BFA_FCS_FDMI_FC4_TYPE_LEN 32 + +/* + * HBA Attribute Block : BFA internal representation. Note : Some variable + * sizes have been trimmed to suit BFA For Ex : Model will be "QLogic ". Based + * on this the size has been reduced to 16 bytes from the standard's 64 bytes. + */ +struct bfa_fcs_fdmi_hba_attr_s { + wwn_t node_name; + u8 manufacturer[64]; + u8 serial_num[64]; + u8 model[16]; + u8 model_desc[128]; + u8 hw_version[8]; + u8 driver_version[BFA_VERSION_LEN]; + u8 option_rom_ver[BFA_VERSION_LEN]; + u8 fw_version[BFA_VERSION_LEN]; + u8 os_name[256]; + __be32 max_ct_pyld; + struct bfa_lport_symname_s node_sym_name; + u8 vendor_info[BFA_FCS_FDMI_VENDOR_INFO_LEN]; + __be32 num_ports; + wwn_t fabric_name; + u8 bios_ver[BFA_VERSION_LEN]; +}; + +/* + * Port Attribute Block + */ +struct bfa_fcs_fdmi_port_attr_s { + u8 supp_fc4_types[BFA_FCS_FDMI_FC4_TYPE_LEN]; + __be32 supp_speed; /* supported speed */ + __be32 curr_speed; /* current Speed */ + __be32 max_frm_size; /* max frame size */ + u8 os_device_name[256]; /* OS device Name */ + u8 host_name[256]; /* host name */ + wwn_t port_name; + wwn_t node_name; + struct bfa_lport_symname_s port_sym_name; + __be32 port_type; + enum fc_cos scos; + wwn_t port_fabric_name; + u8 port_act_fc4_type[BFA_FCS_FDMI_FC4_TYPE_LEN]; + __be32 port_state; + __be32 num_ports; +}; + +struct bfa_fcs_stats_s { + struct { + u32 untagged; /* untagged receive frames */ + u32 tagged; /* tagged receive frames */ + u32 vfid_unknown; /* VF id is unknown */ + } uf; +}; + +struct bfa_fcs_driver_info_s { + u8 version[BFA_VERSION_LEN]; /* Driver Version */ + u8 host_machine_name[BFA_FCS_OS_STR_LEN]; + u8 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */ + u8 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */ + u8 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */ +}; + +struct bfa_fcs_s { + struct bfa_s *bfa; /* corresponding BFA bfa instance */ + struct bfad_s *bfad; /* corresponding BDA driver instance */ + struct bfa_trc_mod_s *trcmod; /* tracing module */ + bfa_boolean_t vf_enabled; /* VF mode is enabled */ + bfa_boolean_t fdmi_enabled; /* FDMI is enabled */ + bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ + u16 port_vfid; /* port default VF ID */ + struct bfa_fcs_driver_info_s driver_info; + struct bfa_fcs_fabric_s fabric; /* base fabric state machine */ + struct bfa_fcs_stats_s stats; /* FCS statistics */ + struct bfa_wc_s wc; /* waiting counter */ + int fcs_aen_seq; + u32 num_rport_logins; +}; + +/* + * fcs_fabric_sm fabric state machine functions + */ + +/* + * Fabric state machine events + */ +enum bfa_fcs_fabric_event { + BFA_FCS_FABRIC_SM_CREATE = 1, /* create from driver */ + BFA_FCS_FABRIC_SM_DELETE = 2, /* delete from driver */ + BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ + BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ + BFA_FCS_FABRIC_SM_CONT_OP = 5, /* flogi/auth continue op */ + BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* flogi/auth retry op */ + BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* from flogi/auth */ + BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* from flogi/auth */ + BFA_FCS_FABRIC_SM_ISOLATE = 9, /* from EVFP processing */ + BFA_FCS_FABRIC_SM_NO_TAGGING = 10, /* no VFT tagging from EVFP */ + BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ + BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* auth failed */ + BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* auth successful */ + BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ + BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ + BFA_FCS_FABRIC_SM_START = 16, /* from driver */ + BFA_FCS_FABRIC_SM_STOP = 17, /* Stop from driver */ + BFA_FCS_FABRIC_SM_STOPCOMP = 18, /* Stop completion */ + BFA_FCS_FABRIC_SM_LOGOCOMP = 19, /* FLOGO completion */ +}; + +/* + * fcs_rport_sm FCS rport state machine events + */ + +enum rport_event { + RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ + RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ + RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ + RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ + RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ + RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ + RPSM_EVENT_DELETE = 7, /* RPORT delete request */ + RPSM_EVENT_FAB_SCN = 8, /* state change notification */ + RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ + RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ + RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ + RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ + RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ + RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ + RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ + RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ + RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ + RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continuously */ + RPSM_EVENT_SCN_OFFLINE = 19, /* loop scn offline */ + RPSM_EVENT_SCN_ONLINE = 20, /* loop scn online */ + RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */ +}; + +/* + * fcs_itnim_sm FCS itnim state machine events + */ +enum bfa_fcs_itnim_event { + BFA_FCS_ITNIM_SM_FCS_ONLINE = 1, /* rport online event */ + BFA_FCS_ITNIM_SM_OFFLINE = 2, /* rport offline */ + BFA_FCS_ITNIM_SM_FRMSENT = 3, /* prli frame is sent */ + BFA_FCS_ITNIM_SM_RSP_OK = 4, /* good response */ + BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /* error response */ + BFA_FCS_ITNIM_SM_TIMEOUT = 6, /* delay timeout */ + BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /* BFA online callback */ + BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /* BFA offline callback */ + BFA_FCS_ITNIM_SM_INITIATOR = 9, /* rport is initiator */ + BFA_FCS_ITNIM_SM_DELETE = 10, /* delete event from rport */ + BFA_FCS_ITNIM_SM_PRLO = 11, /* delete event from rport */ + BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */ + BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */ +}; + +/* + * bfa fcs API functions + */ +void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, + struct bfad_s *bfad, + bfa_boolean_t min_cfg); +void bfa_fcs_init(struct bfa_fcs_s *fcs); +void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs); +void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs); +void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, + struct bfa_fcs_driver_info_s *driver_info); +void bfa_fcs_exit(struct bfa_fcs_s *fcs); +void bfa_fcs_stop(struct bfa_fcs_s *fcs); + +/* + * bfa fcs vf public functions + */ +bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id); +void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports); + +/* + * fabric protected interface functions + */ +void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs); +void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport); +void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport); +struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup( + struct bfa_fcs_fabric_s *fabric, wwn_t pwwn); +void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); +void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len); +void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, + wwn_t fabric_name); +u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs); +void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); + +/* + * BFA FCS callback interfaces + */ + +/* + * fcb Main fcs callbacks + */ + +struct bfad_port_s; +struct bfad_vf_s; +struct bfad_vport_s; +struct bfad_rport_s; + +/* + * lport callbacks + */ +struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad, + struct bfa_fcs_lport_s *port, + enum bfa_lport_role roles, + struct bfad_vf_s *vf_drv, + struct bfad_vport_s *vp_drv); + +/* + * vport callbacks + */ +void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s); + +/* + * rport callbacks + */ +bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad, + struct bfa_fcs_rport_s **rport, + struct bfad_rport_s **rport_drv); + +/* + * itnim callbacks + */ +int bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, + struct bfad_itnim_s **itnim_drv); +void bfa_fcb_itnim_free(struct bfad_s *bfad, + struct bfad_itnim_s *itnim_drv); +void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv); +void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv); + +#endif /* __BFA_FCS_H__ */ |