diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcport.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcport.c | 1962 |
1 files changed, 0 insertions, 1962 deletions
diff --git a/drivers/scsi/bfa/bfa_fcport.c b/drivers/scsi/bfa/bfa_fcport.c deleted file mode 100644 index 76867b5577f..00000000000 --- a/drivers/scsi/bfa/bfa_fcport.c +++ /dev/null @@ -1,1962 +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. - */ - -#include <bfa.h> -#include <bfa_svc.h> -#include <bfi/bfi_pport.h> -#include <bfi/bfi_pbc.h> -#include <cs/bfa_debug.h> -#include <aen/bfa_aen.h> -#include <cs/bfa_plog.h> -#include <aen/bfa_aen_port.h> - -BFA_TRC_FILE(HAL, FCPORT); -BFA_MODULE(fcport); - -/* - * The port is considered disabled if corresponding physical port or IOC are - * disabled explicitly - */ -#define BFA_PORT_IS_DISABLED(bfa) \ - ((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \ - (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE)) - -/* - * forward declarations - */ -static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport); -static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport); -static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport); -static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport); -static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport); -static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete); -static void bfa_fcport_callback(struct bfa_fcport_s *fcport, - enum bfa_pport_linkstate event); -static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, - enum bfa_pport_linkstate event); -static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete); -static void bfa_fcport_stats_get_timeout(void *cbarg); -static void bfa_fcport_stats_clr_timeout(void *cbarg); - -/** - * bfa_pport_private - */ - -/** - * BFA port state machine events - */ -enum bfa_fcport_sm_event { - BFA_FCPORT_SM_START = 1, /* start port state machine */ - BFA_FCPORT_SM_STOP = 2, /* stop port state machine */ - BFA_FCPORT_SM_ENABLE = 3, /* enable port */ - BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */ - BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */ - BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */ - BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */ - BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */ - BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */ -}; - -/** - * BFA port link notification state machine events - */ - -enum bfa_fcport_ln_sm_event { - BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */ - BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */ - BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */ -}; - -static void bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); -static void bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event); - -static void bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); -static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); - -static struct bfa_sm_table_s hal_pport_sm_table[] = { - {BFA_SM(bfa_fcport_sm_uninit), BFA_PPORT_ST_UNINIT}, - {BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT}, - {BFA_SM(bfa_fcport_sm_enabling), BFA_PPORT_ST_ENABLING}, - {BFA_SM(bfa_fcport_sm_linkdown), BFA_PPORT_ST_LINKDOWN}, - {BFA_SM(bfa_fcport_sm_linkup), BFA_PPORT_ST_LINKUP}, - {BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PPORT_ST_DISABLING_QWAIT}, - {BFA_SM(bfa_fcport_sm_disabling), BFA_PPORT_ST_DISABLING}, - {BFA_SM(bfa_fcport_sm_disabled), BFA_PPORT_ST_DISABLED}, - {BFA_SM(bfa_fcport_sm_stopped), BFA_PPORT_ST_STOPPED}, - {BFA_SM(bfa_fcport_sm_iocdown), BFA_PPORT_ST_IOCDOWN}, - {BFA_SM(bfa_fcport_sm_iocfail), BFA_PPORT_ST_IOCDOWN}, -}; - -static void -bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event) -{ - union bfa_aen_data_u aen_data; - struct bfa_log_mod_s *logmod = fcport->bfa->logm; - wwn_t pwwn = fcport->pwwn; - char pwwn_ptr[BFA_STRING_32]; - - memset(&aen_data, 0, sizeof(aen_data)); - wwn2str(pwwn_ptr, pwwn); - bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, event), pwwn_ptr); - - aen_data.port.ioc_type = bfa_get_type(fcport->bfa); - aen_data.port.pwwn = pwwn; -} - -static void -bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_START: - /** - * Start event after IOC is configured and BFA is started. - */ - if (bfa_fcport_send_enable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait); - break; - - case BFA_FCPORT_SM_ENABLE: - /** - * Port is persistently configured to be in enabled state. Do - * not change state. Port enabling is done when START event is - * received. - */ - break; - - case BFA_FCPORT_SM_DISABLE: - /** - * If a port is persistently configured to be disabled, the - * first event will a port disable request. - */ - bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_QRESUME: - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); - bfa_fcport_send_enable(fcport); - break; - - case BFA_FCPORT_SM_STOP: - bfa_reqq_wcancel(&fcport->reqq_wait); - bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); - break; - - case BFA_FCPORT_SM_ENABLE: - /** - * Already enable is in progress. - */ - break; - - case BFA_FCPORT_SM_DISABLE: - /** - * Just send disable request to firmware when room becomes - * available in request queue. - */ - bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); - bfa_reqq_wcancel(&fcport->reqq_wait); - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); - break; - - case BFA_FCPORT_SM_LINKUP: - case BFA_FCPORT_SM_LINKDOWN: - /** - * Possible to get link events when doing back-to-back - * enable/disables. - */ - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_reqq_wcancel(&fcport->reqq_wait); - bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_FWRSP: - case BFA_FCPORT_SM_LINKDOWN: - bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown); - break; - - case BFA_FCPORT_SM_LINKUP: - bfa_fcport_update_linkinfo(fcport); - bfa_sm_set_state(fcport, bfa_fcport_sm_linkup); - - bfa_assert(fcport->event_cbfn); - bfa_fcport_callback(fcport, BFA_PPORT_LINKUP); - break; - - case BFA_FCPORT_SM_ENABLE: - /** - * Already being enabled. - */ - break; - - case BFA_FCPORT_SM_DISABLE: - if (bfa_fcport_send_disable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait); - - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); - break; - - case BFA_FCPORT_SM_STOP: - bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event; - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_LINKUP: - bfa_fcport_update_linkinfo(fcport); - bfa_sm_set_state(fcport, bfa_fcport_sm_linkup); - bfa_assert(fcport->event_cbfn); - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup"); - - if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) { - - bfa_trc(fcport->bfa, - pevent->link_state.vc_fcf.fcf.fipenabled); - bfa_trc(fcport->bfa, - pevent->link_state.vc_fcf.fcf.fipfailed); - - if (pevent->link_state.vc_fcf.fcf.fipfailed) - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_FIP_FCF_DISC, 0, - "FIP FCF Discovery Failed"); - else - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_FIP_FCF_DISC, 0, - "FIP FCF Discovered"); - } - - bfa_fcport_callback(fcport, BFA_PPORT_LINKUP); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE); - /** - * If QoS is enabled and it is not online, - * Send a separate event. - */ - if ((fcport->cfg.qos_enabled) - && (bfa_os_ntohl(fcport->qos_attr.state) != BFA_QOS_ONLINE)) - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG); - - break; - - case BFA_FCPORT_SM_LINKDOWN: - /** - * Possible to get link down event. - */ - break; - - case BFA_FCPORT_SM_ENABLE: - /** - * Already enabled. - */ - break; - - case BFA_FCPORT_SM_DISABLE: - if (bfa_fcport_send_disable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait); - - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); - break; - - case BFA_FCPORT_SM_STOP: - bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_ENABLE: - /** - * Already enabled. - */ - break; - - case BFA_FCPORT_SM_DISABLE: - if (bfa_fcport_send_disable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait); - - bfa_fcport_reset_linkinfo(fcport); - bfa_fcport_callback(fcport, BFA_PPORT_LINKDOWN); - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_DISABLE, 0, "Port Disable"); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE); - break; - - case BFA_FCPORT_SM_LINKDOWN: - bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown); - bfa_fcport_reset_linkinfo(fcport); - bfa_fcport_callback(fcport, BFA_PPORT_LINKDOWN); - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown"); - if (BFA_PORT_IS_DISABLED(fcport->bfa)) - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); - else - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); - break; - - case BFA_FCPORT_SM_STOP: - bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); - bfa_fcport_reset_linkinfo(fcport); - if (BFA_PORT_IS_DISABLED(fcport->bfa)) - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); - else - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); - bfa_fcport_reset_linkinfo(fcport); - bfa_fcport_callback(fcport, BFA_PPORT_LINKDOWN); - if (BFA_PORT_IS_DISABLED(fcport->bfa)) - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE); - else - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_QRESUME: - bfa_sm_set_state(fcport, bfa_fcport_sm_disabling); - bfa_fcport_send_disable(fcport); - break; - - case BFA_FCPORT_SM_STOP: - bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); - bfa_reqq_wcancel(&fcport->reqq_wait); - break; - - case BFA_FCPORT_SM_DISABLE: - /** - * Already being disabled. - */ - break; - - case BFA_FCPORT_SM_LINKUP: - case BFA_FCPORT_SM_LINKDOWN: - /** - * Possible to get link events when doing back-to-back - * enable/disables. - */ - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); - bfa_reqq_wcancel(&fcport->reqq_wait); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_FWRSP: - bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); - break; - - case BFA_FCPORT_SM_DISABLE: - /** - * Already being disabled. - */ - break; - - case BFA_FCPORT_SM_ENABLE: - if (bfa_fcport_send_enable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait); - - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE); - break; - - case BFA_FCPORT_SM_STOP: - bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); - break; - - case BFA_FCPORT_SM_LINKUP: - case BFA_FCPORT_SM_LINKDOWN: - /** - * Possible to get link events when doing back-to-back - * enable/disables. - */ - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_START: - /** - * Ignore start event for a port that is disabled. - */ - break; - - case BFA_FCPORT_SM_STOP: - bfa_sm_set_state(fcport, bfa_fcport_sm_stopped); - break; - - case BFA_FCPORT_SM_ENABLE: - if (bfa_fcport_send_enable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait); - - bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL, - BFA_PL_EID_PORT_ENABLE, 0, "Port Enable"); - bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE); - break; - - case BFA_FCPORT_SM_DISABLE: - /** - * Already disabled. - */ - break; - - case BFA_FCPORT_SM_HWFAIL: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail); - break; - - default: - bfa_sm_fault(fcport->bfa, event); - } -} - -static void -bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_START: - if (bfa_fcport_send_enable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait); - break; - - default: - /** - * Ignore all other events. - */ - ; - } -} - -/** - * Port is enabled. IOC is down/failed. - */ -static void -bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_START: - if (bfa_fcport_send_enable(fcport)) - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling); - else - bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait); - break; - - default: - /** - * Ignore all events. - */ - ; - } -} - -/** - * Port is disabled. IOC is down/failed. - */ -static void -bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport, - enum bfa_fcport_sm_event event) -{ - bfa_trc(fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_SM_START: - bfa_sm_set_state(fcport, bfa_fcport_sm_disabled); - break; - - case BFA_FCPORT_SM_ENABLE: - bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown); - break; - - default: - /** - * Ignore all events. - */ - ; - } -} - -/** - * Link state is down - */ -static void -bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event) -{ - bfa_trc(ln->fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_LN_SM_LINKUP: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf); - bfa_fcport_queue_cb(ln, BFA_PPORT_LINKUP); - break; - - default: - bfa_sm_fault(ln->fcport->bfa, event); - } -} - -/** - * Link state is waiting for down notification - */ -static void -bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event) -{ - bfa_trc(ln->fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_LN_SM_LINKUP: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf); - break; - - case BFA_FCPORT_LN_SM_NOTIFICATION: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn); - break; - - default: - bfa_sm_fault(ln->fcport->bfa, event); - } -} - -/** - * Link state is waiting for down notification and there is a pending up - */ -static void -bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event) -{ - bfa_trc(ln->fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_LN_SM_LINKDOWN: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf); - break; - - case BFA_FCPORT_LN_SM_NOTIFICATION: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf); - bfa_fcport_queue_cb(ln, BFA_PPORT_LINKUP); - break; - - default: - bfa_sm_fault(ln->fcport->bfa, event); - } -} - -/** - * Link state is up - */ -static void -bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event) -{ - bfa_trc(ln->fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_LN_SM_LINKDOWN: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf); - bfa_fcport_queue_cb(ln, BFA_PPORT_LINKDOWN); - break; - - default: - bfa_sm_fault(ln->fcport->bfa, event); - } -} - -/** - * Link state is waiting for up notification - */ -static void -bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event) -{ - bfa_trc(ln->fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_LN_SM_LINKDOWN: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf); - break; - - case BFA_FCPORT_LN_SM_NOTIFICATION: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_up); - break; - - default: - bfa_sm_fault(ln->fcport->bfa, event); - } -} - -/** - * Link state is waiting for up notification and there is a pending down - */ -static void -bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event) -{ - bfa_trc(ln->fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_LN_SM_LINKUP: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf); - break; - - case BFA_FCPORT_LN_SM_NOTIFICATION: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf); - bfa_fcport_queue_cb(ln, BFA_PPORT_LINKDOWN); - break; - - default: - bfa_sm_fault(ln->fcport->bfa, event); - } -} - -/** - * Link state is waiting for up notification and there are pending down and up - */ -static void -bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event) -{ - bfa_trc(ln->fcport->bfa, event); - - switch (event) { - case BFA_FCPORT_LN_SM_LINKDOWN: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf); - break; - - case BFA_FCPORT_LN_SM_NOTIFICATION: - bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf); - bfa_fcport_queue_cb(ln, BFA_PPORT_LINKDOWN); - break; - - default: - bfa_sm_fault(ln->fcport->bfa, event); - } -} - -/** - * bfa_pport_private - */ - -static void -__bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete) -{ - struct bfa_fcport_ln_s *ln = cbarg; - - if (complete) - ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event); - else - bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION); -} - -static void -bfa_fcport_callback(struct bfa_fcport_s *fcport, enum bfa_pport_linkstate event) -{ - if (fcport->bfa->fcs) { - fcport->event_cbfn(fcport->event_cbarg, event); - return; - } - - switch (event) { - case BFA_PPORT_LINKUP: - bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP); - break; - case BFA_PPORT_LINKDOWN: - bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN); - break; - default: - bfa_assert(0); - } -} - -static void -bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_pport_linkstate event) -{ - ln->ln_event = event; - bfa_cb_queue(ln->fcport->bfa, &ln->ln_qe, __bfa_cb_fcport_event, ln); -} - -#define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \ - BFA_CACHELINE_SZ)) - -static void -bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, - u32 *dm_len) -{ - *dm_len += FCPORT_STATS_DMA_SZ; -} - -static void -bfa_fcport_qresume(void *cbarg) -{ - struct bfa_fcport_s *fcport = cbarg; - - bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME); -} - -static void -bfa_fcport_mem_claim(struct bfa_fcport_s *fcport, struct bfa_meminfo_s *meminfo) -{ - u8 *dm_kva; - u64 dm_pa; - - dm_kva = bfa_meminfo_dma_virt(meminfo); - dm_pa = bfa_meminfo_dma_phys(meminfo); - - fcport->stats_kva = dm_kva; - fcport->stats_pa = dm_pa; - fcport->stats = (union bfa_fcport_stats_u *)dm_kva; - - dm_kva += FCPORT_STATS_DMA_SZ; - dm_pa += FCPORT_STATS_DMA_SZ; - - bfa_meminfo_dma_virt(meminfo) = dm_kva; - bfa_meminfo_dma_phys(meminfo) = dm_pa; -} - -/** - * Memory initialization. - */ -static void -bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, - struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) -{ - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); - struct bfa_pport_cfg_s *port_cfg = &fcport->cfg; - struct bfa_fcport_ln_s *ln = &fcport->ln; - struct bfa_timeval_s tv; - - bfa_os_memset(fcport, 0, sizeof(struct bfa_fcport_s)); - fcport->bfa = bfa; - ln->fcport = fcport; - - bfa_fcport_mem_claim(fcport, meminfo); - - bfa_sm_set_state(fcport, bfa_fcport_sm_uninit); - bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn); - - /** - * initialize time stamp for stats reset - */ - bfa_os_gettimeofday(&tv); - fcport->stats_reset_time = tv.tv_sec; - - /** - * initialize and set default configuration - */ - port_cfg->topology = BFA_PPORT_TOPOLOGY_P2P; - port_cfg->speed = BFA_PPORT_SPEED_AUTO; - port_cfg->trunked = BFA_FALSE; - port_cfg->maxfrsize = 0; - - port_cfg->trl_def_speed = BFA_PPORT_SPEED_1GBPS; - - bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport); -} - -static void -bfa_fcport_detach(struct bfa_s *bfa) -{ -} - -/** - * Called when IOC is ready. - */ -static void -bfa_fcport_start(struct bfa_s *bfa) -{ - bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START); -} - -/** - * Called before IOC is stopped. - */ -static void -bfa_fcport_stop(struct bfa_s *bfa) -{ - bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_STOP); -} - -/** - * Called when IOC failure is detected. - */ -static void -bfa_fcport_iocdisable(struct bfa_s *bfa) -{ - bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_HWFAIL); -} - -static void -bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport) -{ - struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event; - - fcport->speed = pevent->link_state.speed; - fcport->topology = pevent->link_state.topology; - - if (fcport->topology == BFA_PPORT_TOPOLOGY_LOOP) - fcport->myalpa = 0; - - /* - * QoS Details - */ - bfa_os_assign(fcport->qos_attr, pevent->link_state.qos_attr); - bfa_os_assign(fcport->qos_vc_attr, - pevent->link_state.vc_fcf.qos_vc_attr); - - - bfa_trc(fcport->bfa, fcport->speed); - bfa_trc(fcport->bfa, fcport->topology); -} - -static void -bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport) -{ - fcport->speed = BFA_PPORT_SPEED_UNKNOWN; - fcport->topology = BFA_PPORT_TOPOLOGY_NONE; -} - -/** - * Send port enable message to firmware. - */ -static bfa_boolean_t -bfa_fcport_send_enable(struct bfa_fcport_s *fcport) -{ - struct bfi_fcport_enable_req_s *m; - - /** - * Increment message tag before queue check, so that responses to old - * requests are discarded. - */ - fcport->msgtag++; - - /** - * check for room in queue to send request now - */ - m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); - if (!m) { - bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT, - &fcport->reqq_wait); - return BFA_FALSE; - } - - bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ, - bfa_lpuid(fcport->bfa)); - m->nwwn = fcport->nwwn; - m->pwwn = fcport->pwwn; - m->port_cfg = fcport->cfg; - m->msgtag = fcport->msgtag; - m->port_cfg.maxfrsize = bfa_os_htons(fcport->cfg.maxfrsize); - bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa); - bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo); - bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi); - - /** - * queue I/O message to firmware - */ - bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT); - return BFA_TRUE; -} - -/** - * Send port disable message to firmware. - */ -static bfa_boolean_t -bfa_fcport_send_disable(struct bfa_fcport_s *fcport) -{ - struct bfi_fcport_req_s *m; - - /** - * Increment message tag before queue check, so that responses to old - * requests are discarded. - */ - fcport->msgtag++; - - /** - * check for room in queue to send request now - */ - m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); - if (!m) { - bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT, - &fcport->reqq_wait); - return BFA_FALSE; - } - - bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ, - bfa_lpuid(fcport->bfa)); - m->msgtag = fcport->msgtag; - - /** - * queue I/O message to firmware - */ - bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT); - - return BFA_TRUE; -} - -static void -bfa_fcport_set_wwns(struct bfa_fcport_s *fcport) -{ - fcport->pwwn = bfa_ioc_get_pwwn(&fcport->bfa->ioc); - fcport->nwwn = bfa_ioc_get_nwwn(&fcport->bfa->ioc); - - bfa_trc(fcport->bfa, fcport->pwwn); - bfa_trc(fcport->bfa, fcport->nwwn); -} - -static void -bfa_fcport_send_txcredit(void *port_cbarg) -{ - - struct bfa_fcport_s *fcport = port_cbarg; - struct bfi_fcport_set_svc_params_req_s *m; - - /** - * check for room in queue to send request now - */ - m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); - if (!m) { - bfa_trc(fcport->bfa, fcport->cfg.tx_bbcredit); - return; - } - - bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ, - bfa_lpuid(fcport->bfa)); - m->tx_bbcredit = bfa_os_htons((u16) fcport->cfg.tx_bbcredit); - - /** - * queue I/O message to firmware - */ - bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT); -} - -static void -bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d, - struct bfa_qos_stats_s *s) -{ - u32 *dip = (u32 *) d; - u32 *sip = (u32 *) s; - int i; - - /* Now swap the 32 bit fields */ - for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i) - dip[i] = bfa_os_ntohl(sip[i]); -} - -static void -bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d, - struct bfa_fcoe_stats_s *s) -{ - u32 *dip = (u32 *) d; - u32 *sip = (u32 *) s; - int i; - - for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32)); - i = i + 2) { -#ifdef __BIGENDIAN - dip[i] = bfa_os_ntohl(sip[i]); - dip[i + 1] = bfa_os_ntohl(sip[i + 1]); -#else - dip[i] = bfa_os_ntohl(sip[i + 1]); - dip[i + 1] = bfa_os_ntohl(sip[i]); -#endif - } -} - -static void -__bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete) -{ - struct bfa_fcport_s *fcport = cbarg; - - if (complete) { - if (fcport->stats_status == BFA_STATUS_OK) { - struct bfa_timeval_s tv; - - /* Swap FC QoS or FCoE stats */ - if (bfa_ioc_get_fcmode(&fcport->bfa->ioc)) { - bfa_fcport_qos_stats_swap( - &fcport->stats_ret->fcqos, - &fcport->stats->fcqos); - } else { - bfa_fcport_fcoe_stats_swap( - &fcport->stats_ret->fcoe, - &fcport->stats->fcoe); - - bfa_os_gettimeofday(&tv); - fcport->stats_ret->fcoe.secs_reset = - tv.tv_sec - fcport->stats_reset_time; - } - } - fcport->stats_cbfn(fcport->stats_cbarg, fcport->stats_status); - } else { - fcport->stats_busy = BFA_FALSE; - fcport->stats_status = BFA_STATUS_OK; - } -} - -static void -bfa_fcport_stats_get_timeout(void *cbarg) -{ - struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; - - bfa_trc(fcport->bfa, fcport->stats_qfull); - - if (fcport->stats_qfull) { - bfa_reqq_wcancel(&fcport->stats_reqq_wait); - fcport->stats_qfull = BFA_FALSE; - } - - fcport->stats_status = BFA_STATUS_ETIMER; - bfa_cb_queue(fcport->bfa, &fcport->hcb_qe, __bfa_cb_fcport_stats_get, - fcport); -} - -static void -bfa_fcport_send_stats_get(void *cbarg) -{ - struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; - struct bfi_fcport_req_s *msg; - - msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); - - if (!msg) { - fcport->stats_qfull = BFA_TRUE; - bfa_reqq_winit(&fcport->stats_reqq_wait, - bfa_fcport_send_stats_get, fcport); - bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT, - &fcport->stats_reqq_wait); - return; - } - fcport->stats_qfull = BFA_FALSE; - - bfa_os_memset(msg, 0, sizeof(struct bfi_fcport_req_s)); - bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ, - bfa_lpuid(fcport->bfa)); - bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT); -} - -static void -__bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete) -{ - struct bfa_fcport_s *fcport = cbarg; - - if (complete) { - struct bfa_timeval_s tv; - - /** - * re-initialize time stamp for stats reset - */ - bfa_os_gettimeofday(&tv); - fcport->stats_reset_time = tv.tv_sec; - - fcport->stats_cbfn(fcport->stats_cbarg, fcport->stats_status); - } else { - fcport->stats_busy = BFA_FALSE; - fcport->stats_status = BFA_STATUS_OK; - } -} - -static void -bfa_fcport_stats_clr_timeout(void *cbarg) -{ - struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg; - - bfa_trc(fcport->bfa, fcport->stats_qfull); - - if (fcport->stats_qfull) { - bfa_reqq_wcancel(&fcport->stats_reqq_wait); - fcport->stats_qfull = BFA_FALSE; - } |