// SPDX-License-Identifier: GPL-2.0-only /* * 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. */ /* * bfa_fcs.c BFA FCS main */ #include "bfad_drv.h" #include "bfad_im.h" #include "bfa_fcs.h" #include "bfa_fcbuild.h" BFA_TRC_FILE(…); /* * fcs_api BFA FCS API */ static void bfa_fcs_exit_comp(void *fcs_cbarg) { … } /* * fcs initialization, called once after bfa initialization is complete */ void bfa_fcs_init(struct bfa_fcs_s *fcs) { … } /* * fcs_api BFA FCS API */ /* * FCS update cfg - reset the pwwn/nwwn of fabric base logical port * with values learned during bfa_init firmware GETATTR REQ. */ void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs) { … } /* * Stop FCS operations. */ void bfa_fcs_stop(struct bfa_fcs_s *fcs) { … } /* * fcs pbc vport initialization */ void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs) { … } /* * brief * FCS driver details initialization. * * param[in] fcs FCS instance * param[in] driver_info Driver Details * * return None */ void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, struct bfa_fcs_driver_info_s *driver_info) { … } /* * brief * FCS instance cleanup and exit. * * param[in] fcs FCS instance * return None */ void bfa_fcs_exit(struct bfa_fcs_s *fcs) { … } /* * Fabric module implementation. */ #define BFA_FCS_FABRIC_RETRY_DELAY … #define BFA_FCS_FABRIC_CLEANUP_DELAY … #define bfa_fcs_fabric_set_opertype(__fabric) … /* * forward declarations */ static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_delay(void *cbarg); static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_delete_comp(void *cbarg); static void bfa_fcs_fabric_stop(struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_stop_comp(void *cbarg); static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, u16 len); static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, u16 len); static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t status, u32 rsp_len, u32 resid_len, struct fchs_s *rspfchs); static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_stopping(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); static void bfa_fcs_fabric_sm_cleanup(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); /* * Beginning state before fabric creation. */ static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Beginning state before fabric creation. */ static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Link is down, awaiting LINK UP event from port. This is also the * first state at fabric creation. */ static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * FLOGI is in progress, awaiting FLOGI reply. */ static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Authentication is in progress, awaiting authentication results. */ static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Authentication failed */ void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Port is in loopback mode. */ void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * There is no attached fabric - private loop or NPort-to-NPort topology. */ static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Fabric is online - normal operating state. */ void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Exchanging virtual fabric parameters. */ static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * EVFP exchange complete and VFT tagging is enabled. */ static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Port is isolated after EVFP exchange due to VF_ID mismatch (N and F). */ static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Fabric is being deleted, awaiting vport delete completions. */ static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Fabric is being stopped, awaiting vport stop completions. */ static void bfa_fcs_fabric_sm_stopping(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * Fabric is being stopped, cleanup without FLOGO */ static void bfa_fcs_fabric_sm_cleanup(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event) { … } /* * fcs_fabric_private fabric private functions */ static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric) { … } /* * Port Symbolic Name Creation for base port. */ void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) { … } /* * Node Symbolic Name Creation for base port and all vports */ void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric) { … } /* * bfa lps login completion callback */ void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status) { … } /* * Allocate and send FLOGI. */ static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric) { … } static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric) { … } static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric) { … } static void bfa_fcs_fabric_delay(void *cbarg) { … } /* * Stop all vports and wait for vport stop completions. */ static void bfa_fcs_fabric_stop(struct bfa_fcs_fabric_s *fabric) { … } /* * Delete all vports and wait for vport delete completions. */ static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric) { … } static void bfa_fcs_fabric_delete_comp(void *cbarg) { … } static void bfa_fcs_fabric_stop_comp(void *cbarg) { … } /* * fcs_fabric_public fabric public functions */ /* * Fabric module stop -- stop FCS actions */ void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs) { … } /* * Fabric module start -- kick starts FCS actions */ void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs) { … } /* * Link up notification from BFA physical port module. */ void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric) { … } /* * Link down notification from BFA physical port module. */ void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric) { … } /* * A child vport is being created in the fabric. * * Call from vport module at vport creation. A list of base port and vports * belonging to a fabric is maintained to propagate link events. * * param[in] fabric - Fabric instance. This can be a base fabric or vf. * param[in] vport - Vport being created. * * @return None (always succeeds) */ void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, struct bfa_fcs_vport_s *vport) { … } /* * A child vport is being deleted from fabric. * * Vport is being deleted. */ void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, struct bfa_fcs_vport_s *vport) { … } /* * Lookup for a vport within a fabric given its pwwn */ struct bfa_fcs_vport_s * bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn) { … } /* * Get OUI of the attached switch. * * Note : Use of this function should be avoided as much as possible. * This function should be used only if there is any requirement * to check for FOS version below 6.3. * To check if the attached fabric is a brocade fabric, use * bfa_lps_is_brcd_fabric() which works for FOS versions 6.3 * or above only. */ u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric) { … } /* * Unsolicited frame receive handling. */ void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, u16 len) { … } /* * Unsolicited frames to be processed by fabric. */ static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, u16 len) { … } /* * Process incoming FLOGI */ static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, u16 len) { … } static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) { … } /* * Flogi Acc completion callback. */ static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t status, u32 rsp_len, u32 resid_len, struct fchs_s *rspfchs) { … } /* * Send AEN notification */ static void bfa_fcs_fabric_aen_post(struct bfa_fcs_lport_s *port, enum bfa_port_aen_event event) { … } /* * * @param[in] fabric - fabric * @param[in] wwn_t - new fabric name * * @return - none */ void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, wwn_t fabric_name) { … } void bfa_cb_lps_flogo_comp(void *bfad, void *uarg) { … } /* * Returns FCS vf structure for a given vf_id. * * param[in] vf_id - VF_ID * * return * If lookup succeeds, retuns fcs vf object, otherwise returns NULL */ bfa_fcs_vf_t * bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id) { … } /* * Return the list of local logical ports present in the given VF. * * @param[in] vf vf for which logical ports are returned * @param[out] lpwwn returned logical port wwn list * @param[in,out] nlports in:size of lpwwn list; * out:total elements present, * actual elements returned is limited by the size */ void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t lpwwn[], int *nlports) { … } /* * BFA FCS PPORT ( physical port) */ static void bfa_fcs_port_event_handler(void *cbarg, enum bfa_port_linkstate event) { … } /* * BFA FCS UF ( Unsolicited Frames) */ /* * BFA callback for unsolicited frame receive handler. * * @param[in] cbarg callback arg for receive handler * @param[in] uf unsolicited frame descriptor * * @return None */ static void bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf) { … } /* * fcs attach -- called once to initialize data structures at driver attach time */ void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad, bfa_boolean_t min_cfg) { … }
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