diff options
Diffstat (limited to 'drivers/scsi/bfa/fcpim.c')
| -rw-r--r-- | drivers/scsi/bfa/fcpim.c | 812 |
1 files changed, 0 insertions, 812 deletions
diff --git a/drivers/scsi/bfa/fcpim.c b/drivers/scsi/bfa/fcpim.c deleted file mode 100644 index 8ae4a2cfa85b..000000000000 --- a/drivers/scsi/bfa/fcpim.c +++ /dev/null @@ -1,812 +0,0 @@ -/* - * 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. - */ - -/** - * fcpim.c - FCP initiator mode i-t nexus state machine - */ - -#include <bfa.h> -#include <bfa_svc.h> -#include "fcs_fcpim.h" -#include "fcs_rport.h" -#include "fcs_lport.h" -#include "fcs_trcmod.h" -#include "fcs_fcxp.h" -#include "fcs.h" -#include <fcs/bfa_fcs_fcpim.h> -#include <fcb/bfa_fcb_fcpim.h> -#include <aen/bfa_aen_itnim.h> - -BFA_TRC_FILE(FCS, FCPIM); - -/* - * forward declarations - */ -static void bfa_fcs_itnim_timeout(void *arg); -static void bfa_fcs_itnim_free(struct bfa_fcs_itnim_s *itnim); -static void bfa_fcs_itnim_send_prli(void *itnim_cbarg, - struct bfa_fcxp_s *fcxp_alloced); -static void bfa_fcs_itnim_prli_response(void *fcsarg, - struct bfa_fcxp_s *fcxp, - void *cbarg, - bfa_status_t req_status, - u32 rsp_len, - u32 resid_len, - struct fchs_s *rsp_fchs); -static void bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim, - enum bfa_itnim_aen_event event); - -/** - * fcs_itnim_sm FCS itnim state machine events - */ - -enum bfa_fcs_itnim_event { - BFA_FCS_ITNIM_SM_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 */ -}; - -static void bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); -static void bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); -static void bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); -static void bfa_fcs_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); -static void bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); -static void bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); -static void bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); -static void bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); - -static struct bfa_sm_table_s itnim_sm_table[] = { - {BFA_SM(bfa_fcs_itnim_sm_offline), BFA_ITNIM_OFFLINE}, - {BFA_SM(bfa_fcs_itnim_sm_prli_send), BFA_ITNIM_PRLI_SEND}, - {BFA_SM(bfa_fcs_itnim_sm_prli), BFA_ITNIM_PRLI_SENT}, - {BFA_SM(bfa_fcs_itnim_sm_prli_retry), BFA_ITNIM_PRLI_RETRY}, - {BFA_SM(bfa_fcs_itnim_sm_hcb_online), BFA_ITNIM_HCB_ONLINE}, - {BFA_SM(bfa_fcs_itnim_sm_online), BFA_ITNIM_ONLINE}, - {BFA_SM(bfa_fcs_itnim_sm_hcb_offline), BFA_ITNIM_HCB_OFFLINE}, - {BFA_SM(bfa_fcs_itnim_sm_initiator), BFA_ITNIM_INITIATIOR}, -}; - -/** - * fcs_itnim_sm FCS itnim state machine - */ - -static void -bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_ONLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send); - bfa_fcs_itnim_send_prli(itnim, NULL); - break; - - case BFA_FCS_ITNIM_SM_OFFLINE: - bfa_fcs_rport_itnim_ack(itnim->rport); - break; - - case BFA_FCS_ITNIM_SM_INITIATOR: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } - -} - -static void -bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_FRMSENT: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli); - break; - - case BFA_FCS_ITNIM_SM_INITIATOR: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); - bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe); - break; - - case BFA_FCS_ITNIM_SM_OFFLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe); - bfa_fcs_rport_itnim_ack(itnim->rport); - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcxp_walloc_cancel(itnim->fcs->bfa, &itnim->fcxp_wqe); - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } -} - -static void -bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_RSP_OK: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_online); - bfa_itnim_online(itnim->bfa_itnim, itnim->seq_rec); - break; - - case BFA_FCS_ITNIM_SM_RSP_ERROR: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_retry); - bfa_timer_start(itnim->fcs->bfa, &itnim->timer, - bfa_fcs_itnim_timeout, itnim, - BFA_FCS_RETRY_TIMEOUT); - break; - - case BFA_FCS_ITNIM_SM_OFFLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcxp_discard(itnim->fcxp); - bfa_fcs_rport_itnim_ack(itnim->rport); - break; - - case BFA_FCS_ITNIM_SM_INITIATOR: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); - /* - * dont discard fcxp. accept will reach same state - */ - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcxp_discard(itnim->fcxp); - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } -} - -static void -bfa_fcs_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_TIMEOUT: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_send); - bfa_fcs_itnim_send_prli(itnim, NULL); - break; - - case BFA_FCS_ITNIM_SM_OFFLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_timer_stop(&itnim->timer); - bfa_fcs_rport_itnim_ack(itnim->rport); - break; - - case BFA_FCS_ITNIM_SM_INITIATOR: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator); - bfa_timer_stop(&itnim->timer); - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_timer_stop(&itnim->timer); - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } -} - -static void -bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_HCB_ONLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_online); - bfa_fcb_itnim_online(itnim->itnim_drv); - bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_ONLINE); - break; - - case BFA_FCS_ITNIM_SM_OFFLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_itnim_offline(itnim->bfa_itnim); - bfa_fcs_rport_itnim_ack(itnim->rport); - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } -} - -static void -bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_OFFLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_offline); - bfa_fcb_itnim_offline(itnim->itnim_drv); - bfa_itnim_offline(itnim->bfa_itnim); - if (bfa_fcs_port_is_online(itnim->rport->port) == BFA_TRUE) - bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_DISCONNECT); - else - bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_OFFLINE); - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } -} - -static void -bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_HCB_OFFLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcs_rport_itnim_ack(itnim->rport); - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } -} - -/* - * This state is set when a discovered rport is also in intiator mode. - * This ITN is marked as no_op and is not active and will not be truned into - * online state. - */ -static void -bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event) -{ - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_trc(itnim->fcs, event); - - switch (event) { - case BFA_FCS_ITNIM_SM_OFFLINE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcs_rport_itnim_ack(itnim->rport); - break; - - case BFA_FCS_ITNIM_SM_RSP_ERROR: - case BFA_FCS_ITNIM_SM_ONLINE: - case BFA_FCS_ITNIM_SM_INITIATOR: - break; - - case BFA_FCS_ITNIM_SM_DELETE: - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - bfa_fcs_itnim_free(itnim); - break; - - default: - bfa_sm_fault(itnim->fcs, event); - } -} - - - -/** - * itnim_private FCS ITNIM private interfaces - */ - -static void -bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim, - enum bfa_itnim_aen_event event) -{ - struct bfa_fcs_rport_s *rport = itnim->rport; - union bfa_aen_data_u aen_data; - struct bfa_log_mod_s *logmod = rport->fcs->logm; - wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port); - wwn_t rpwwn = rport->pwwn; - char lpwwn_ptr[BFA_STRING_32]; - char rpwwn_ptr[BFA_STRING_32]; - - /* - * Don't post events for well known addresses - */ - if (BFA_FCS_PID_IS_WKA(rport->pid)) - return; - - wwn2str(lpwwn_ptr, lpwwn); - wwn2str(rpwwn_ptr, rpwwn); - - bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_ITNIM, event), - rpwwn_ptr, lpwwn_ptr); - - aen_data.itnim.vf_id = rport->port->fabric->vf_id; - aen_data.itnim.ppwwn = - bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(itnim->fcs)); - aen_data.itnim.lpwwn = lpwwn; - aen_data.itnim.rpwwn = rpwwn; -} - -static void -bfa_fcs_itnim_send_prli(void *itnim_cbarg, struct bfa_fcxp_s *fcxp_alloced) -{ - struct bfa_fcs_itnim_s *itnim = itnim_cbarg; - struct bfa_fcs_rport_s *rport = itnim->rport; - struct bfa_fcs_port_s *port = rport->port; - struct fchs_s fchs; - struct bfa_fcxp_s *fcxp; - int len; - - bfa_trc(itnim->fcs, itnim->rport->pwwn); - - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); - if (!fcxp) { - itnim->stats.fcxp_alloc_wait++; - bfa_fcxp_alloc_wait(port->fcs->bfa, &itnim->fcxp_wqe, - bfa_fcs_itnim_send_prli, itnim); - return; - } - itnim->fcxp = fcxp; - - len = fc_prli_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), itnim->rport->pid, - bfa_fcs_port_get_fcid(port), 0); - - bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, port->lp_tag, - BFA_FALSE, FC_CLASS_3, len, &fchs, - bfa_fcs_itnim_prli_response, (void *)itnim, FC_MAX_PDUSZ, - FC_RA_TOV); - - itnim->stats.prli_sent++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_FRMSENT); -} - -static void -bfa_fcs_itnim_prli_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, - bfa_status_t req_status, u32 rsp_len, - u32 resid_len, struct fchs_s *rsp_fchs) -{ - struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cbarg; - struct fc_els_cmd_s *els_cmd; - struct fc_prli_s *prli_resp; - struct fc_ls_rjt_s *ls_rjt; - struct fc_prli_params_s *sparams; - - bfa_trc(itnim->fcs, req_status); - - /* - * Sanity Checks - */ - if (req_status != BFA_STATUS_OK) { - itnim->stats.prli_rsp_err++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_ERROR); - return; - } - - els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); - - if (els_cmd->els_code == FC_ELS_ACC) { - prli_resp = (struct fc_prli_s *) els_cmd; - - if (fc_prli_rsp_parse(prli_resp, rsp_len) != FC_PARSE_OK) { - bfa_trc(itnim->fcs, rsp_len); - /* - * Check if this r-port is also in Initiator mode. - * If so, we need to set this ITN as a no-op. - */ - if (prli_resp->parampage.servparams.initiator) { - bfa_trc(itnim->fcs, prli_resp->parampage.type); - itnim->rport->scsi_function = - BFA_RPORT_INITIATOR; - itnim->stats.prli_rsp_acc++; - bfa_sm_send_event(itnim, - BFA_FCS_ITNIM_SM_INITIATOR); - return; - } - - itnim->stats.prli_rsp_parse_err++; - return; - } - itnim->rport->scsi_function = BFA_RPORT_TARGET; - - sparams = &prli_resp->parampage.servparams; - itnim->seq_rec = sparams->retry; - itnim->rec_support = sparams->rec_support; - itnim->task_retry_id = sparams->task_retry_id; - itnim->conf_comp = sparams->confirm; - - itnim->stats.prli_rsp_acc++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_OK); - } else { - ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); - - bfa_trc(itnim->fcs, ls_rjt->reason_code); - bfa_trc(itnim->fcs, ls_rjt->reason_code_expl); - - itnim->stats.prli_rsp_rjt++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_RSP_ERROR); - } -} - -static void -bfa_fcs_itnim_timeout(void *arg) -{ - struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)arg; - - itnim->stats.timeout++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_TIMEOUT); -} - -static void -bfa_fcs_itnim_free(struct bfa_fcs_itnim_s *itnim) -{ - bfa_itnim_delete(itnim->bfa_itnim); - bfa_fcb_itnim_free(itnim->fcs->bfad, itnim->itnim_drv); -} - - - -/** - * itnim_public FCS ITNIM public interfaces - */ - -/** - * Called by rport when a new rport is created. - * - * @param[in] rport - remote port. - */ -struct bfa_fcs_itnim_s * -bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport) -{ - struct bfa_fcs_port_s *port = rport->port; - struct bfa_fcs_itnim_s *itnim; - struct bfad_itnim_s *itnim_drv; - struct bfa_itnim_s *bfa_itnim; - - /* - * call bfad to allocate the itnim - */ - bfa_fcb_itnim_alloc(port->fcs->bfad, &itnim, &itnim_drv); - if (itnim == NULL) { - bfa_trc(port->fcs, rport->pwwn); - return NULL; - } - - /* - * Initialize itnim - */ - itnim->rport = rport; - itnim->fcs = rport->fcs; - itnim->itnim_drv = itnim_drv; - - /* - * call BFA to create the itnim - */ - bfa_itnim = bfa_itnim_create(port->fcs->bfa, rport->bfa_rport, itnim); - - if (bfa_itnim == NULL) { - bfa_trc(port->fcs, rport->pwwn); - bfa_fcb_itnim_free(port->fcs->bfad, itnim_drv); - bfa_assert(0); - return NULL; - } - - itnim->bfa_itnim = bfa_itnim; - itnim->seq_rec = BFA_FALSE; - itnim->rec_support = BFA_FALSE; - itnim->conf_comp = BFA_FALSE; - itnim->task_retry_id = BFA_FALSE; - - /* - * Set State machine - */ - bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline); - - return itnim; -} - -/** - * Called by rport to delete the instance of FCPIM. - * - * @param[in] rport - remote port. - */ -void -bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim) -{ - bfa_trc(itnim->fcs, itnim->rport->pid); - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_DELETE); -} - -/** - * Notification from rport that PLOGI is complete to initiate FC-4 session. - */ -void -bfa_fcs_itnim_rport_online(struct bfa_fcs_itnim_s *itnim) -{ - itnim->stats.onlines++; - - if (!BFA_FCS_PID_IS_WKA(itnim->rport->pid)) { - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_ONLINE); - } else { - /* - * For well known addresses, we set the itnim to initiator - * state - */ - itnim->stats.initiator++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_INITIATOR); - } -} - -/** - * Called by rport to handle a remote device offline. - */ -void -bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim) -{ - itnim->stats.offlines++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_OFFLINE); -} - -/** - * Called by rport when remote port is known to be an initiator from - * PRLI received. - */ -void -bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim) -{ - bfa_trc(itnim->fcs, itnim->rport->pid); - itnim->stats.initiator++; - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_INITIATOR); -} - -/** - * Called by rport to check if the itnim is online. - */ -bfa_status_t -bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim) -{ - bfa_trc(itnim->fcs, itnim->rport->pid); - switch (bfa_sm_to_state(itnim_sm_table, itnim->sm)) { - case BFA_ITNIM_ONLINE: - case BFA_ITNIM_INITIATIOR: - return BFA_STATUS_OK; - - default: - return BFA_STATUS_NO_FCPIM_NEXUS; - - } -} - -/** - * BFA completion callback for bfa_itnim_online(). - */ -void -bfa_cb_itnim_online(void *cbarg) -{ - struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cbarg; - - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_HCB_ONLINE); -} - -/** - * BFA completion callback for bfa_itnim_offline(). - */ -void -bfa_cb_itnim_offline(void *cb_arg) -{ - struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; - - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_HCB_OFFLINE); -} - -/** - * Mark the beginning of PATH TOV handling. IO completion callbacks - * are still pending. - */ -void -bfa_cb_itnim_tov_begin(void *cb_arg) -{ - struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; - - bfa_trc(itnim->fcs, itnim->rport->pwwn); -} - -/** - * Mark the end of PATH TOV handling. All pending IOs are already cleaned up. - */ -void -bfa_cb_itnim_tov(void *cb_arg) -{ - struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; - - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_fcb_itnim_tov(itnim->itnim_drv); -} - -/** - * BFA notification to FCS/driver for second level error recovery. - * - * Atleast one I/O request has timedout and target is unresponsive to - * repeated abort requests. Second level error recovery should be initiated - * by starting implicit logout and recovery procedures. - */ -void -bfa_cb_itnim_sler(void *cb_arg) -{ - struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg; - - itnim->stats.sler++; - bfa_trc(itnim->fcs, itnim->rport->pwwn); - bfa_fcs_rport_logo_imp(itnim->rport); -} - -struct bfa_fcs_itnim_s * -bfa_fcs_itnim_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn) -{ - struct bfa_fcs_rport_s *rport; - rport = bfa_fcs_rport_lookup(port, rpwwn); - - if (!rport) - return NULL; - - bfa_assert(rport->itnim != NULL); - return rport->itnim; -} - -bfa_status_t -bfa_fcs_itnim_attr_get(struct bfa_fcs_port_s *port, wwn_t rpwwn, - struct bfa_itnim_attr_s *attr) -{ - struct bfa_fcs_itnim_s *itnim = NULL; - - itnim = bfa_fcs_itnim_lookup(port, rpwwn); - - if (itnim == NULL) - return BFA_STATUS_NO_FCPIM_NEXUS; - - attr->state = bfa_sm_to_state(itnim_sm_table, itnim->sm); - attr->retry = itnim->seq_rec; - attr->rec_support = itnim->rec_support; - attr->conf_comp = itnim->conf_comp; - attr->task_retry_id = itnim->task_retry_id; - - return BFA_STATUS_OK; -} - -bfa_status_t -bfa_fcs_itnim_stats_get(struct bfa_fcs_port_s *port, wwn_t rpwwn, - struct bfa_itnim_stats_s *stats) -{ - struct bfa_fcs_itnim_s *itnim = NULL; - - bfa_assert(port != NULL); - - itnim = bfa_fcs_itnim_lookup(port, rpwwn); - - if (itnim == NULL) - return BFA_STATUS_NO_FCPIM_NEXUS; - - bfa_os_memcpy(stats, &itnim->stats, sizeof(struct bfa_itnim_stats_s)); - - return BFA_STATUS_OK; -} - -bfa_status_t -bfa_fcs_itnim_stats_clear(struct bfa_fcs_port_s *port, wwn_t rpwwn) -{ - struct bfa_fcs_itnim_s *itnim = NULL; - - bfa_assert(port != NULL); - - itnim = bfa_fcs_itnim_lookup(port, rpwwn); - - if (itnim == NULL) - return BFA_STATUS_NO_FCPIM_NEXUS; - - bfa_os_memset(&itnim->stats, 0, sizeof(struct bfa_itnim_stats_s)); - return BFA_STATUS_OK; -} - -void -bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, struct fchs_s *fchs, - u16 len) -{ - struct fc_els_cmd_s *els_cmd; - - bfa_trc(itnim->fcs, fchs->type); - - if (fchs->type != FC_TYPE_ELS) - return; - - els_cmd = (struct fc_els_cmd_s *) (fchs + 1); - - bfa_trc(itnim->fcs, els_cmd->els_code); - - switch (els_cmd->els_code) { - case FC_ELS_PRLO: - /* bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_PRLO); */ - break; - - default: - bfa_assert(0); - } -} - -void -bfa_fcs_itnim_pause(struct bfa_fcs_itnim_s *itnim) -{ -} - -void -bfa_fcs_itnim_resume(struct bfa_fcs_itnim_s *itnim) -{ -} |