linux/drivers/scsi/bfa/bfa_fcport.c

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/*
* 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 <cs/bfa_debug.h>
#include <aen/bfa_aen.h>
#include <cs/bfa_plog.h>
#include <aen/bfa_aen_port.h>
BFA_TRC_FILE(HAL, PPORT);
BFA_MODULE(pport);
/*
* The port is considered disabled if corresponding physical port or IOC are
* disabled explicitly
*/
#define BFA_PORT_IS_DISABLED(bfa) \
((bfa_pport_is_disabled(bfa) == BFA_TRUE) || \
(bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
/*
* forward declarations
*/
static bfa_boolean_t bfa_pport_send_enable(struct bfa_pport_s *port);
static bfa_boolean_t bfa_pport_send_disable(struct bfa_pport_s *port);
static void bfa_pport_update_linkinfo(struct bfa_pport_s *pport);
static void bfa_pport_reset_linkinfo(struct bfa_pport_s *pport);
static void bfa_pport_set_wwns(struct bfa_pport_s *port);
static void __bfa_cb_port_event(void *cbarg, bfa_boolean_t complete);
static void __bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete);
static void __bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete);
static void bfa_port_stats_timeout(void *cbarg);
static void bfa_port_stats_clr_timeout(void *cbarg);
static void bfa_pport_callback(struct bfa_pport_s *pport,
enum bfa_pport_linkstate event);
static void bfa_pport_queue_cb(struct bfa_pport_ln_s *ln,
enum bfa_pport_linkstate event);
/**
* bfa_pport_private
*/
/**
* BFA port state machine events
*/
enum bfa_pport_sm_event {
BFA_PPORT_SM_START = 1, /* start port state machine */
BFA_PPORT_SM_STOP = 2, /* stop port state machine */
BFA_PPORT_SM_ENABLE = 3, /* enable port */
BFA_PPORT_SM_DISABLE = 4, /* disable port state machine */
BFA_PPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */
BFA_PPORT_SM_LINKUP = 6, /* firmware linkup event */
BFA_PPORT_SM_LINKDOWN = 7, /* firmware linkup down */
BFA_PPORT_SM_QRESUME = 8, /* CQ space available */
BFA_PPORT_SM_HWFAIL = 9, /* IOC h/w failure */
};
/**
* BFA port link notification state machine events
*/
enum bfa_pport_ln_sm_event {
BFA_PPORT_LN_SM_LINKUP = 1, /* linkup event */
BFA_PPORT_LN_SM_LINKDOWN = 2, /* linkdown event */
BFA_PPORT_LN_SM_NOTIFICATION = 3 /* done notification */
};
static void bfa_pport_sm_uninit(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_enabling(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_linkdown(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_linkup(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_disabling(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_disabled(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_stopped(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_iocdown(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_sm_iocfail(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event);
static void bfa_pport_ln_sm_dn(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event);
static void bfa_pport_ln_sm_dn_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event);
static void bfa_pport_ln_sm_dn_up_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event);
static void bfa_pport_ln_sm_up(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event);
static void bfa_pport_ln_sm_up_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event);
static void bfa_pport_ln_sm_up_dn_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event);
static void bfa_pport_ln_sm_up_dn_up_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event);
static struct bfa_sm_table_s hal_pport_sm_table[] = {
{BFA_SM(bfa_pport_sm_uninit), BFA_PPORT_ST_UNINIT},
{BFA_SM(bfa_pport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT},
{BFA_SM(bfa_pport_sm_enabling), BFA_PPORT_ST_ENABLING},
{BFA_SM(bfa_pport_sm_linkdown), BFA_PPORT_ST_LINKDOWN},
{BFA_SM(bfa_pport_sm_linkup), BFA_PPORT_ST_LINKUP},
{BFA_SM(bfa_pport_sm_disabling_qwait),
BFA_PPORT_ST_DISABLING_QWAIT},
{BFA_SM(bfa_pport_sm_disabling), BFA_PPORT_ST_DISABLING},
{BFA_SM(bfa_pport_sm_disabled), BFA_PPORT_ST_DISABLED},
{BFA_SM(bfa_pport_sm_stopped), BFA_PPORT_ST_STOPPED},
{BFA_SM(bfa_pport_sm_iocdown), BFA_PPORT_ST_IOCDOWN},
{BFA_SM(bfa_pport_sm_iocfail), BFA_PPORT_ST_IOCDOWN},
};
static void
bfa_pport_aen_post(struct bfa_pport_s *pport, enum bfa_port_aen_event event)
{
union bfa_aen_data_u aen_data;
struct bfa_log_mod_s *logmod = pport->bfa->logm;
wwn_t pwwn = pport->pwwn;
char pwwn_ptr[BFA_STRING_32];
struct bfa_ioc_attr_s ioc_attr;
memset(&aen_data, 0, sizeof(aen_data));
wwn2str(pwwn_ptr, pwwn);
switch (event) {
case BFA_PORT_AEN_ONLINE:
bfa_log(logmod, BFA_AEN_PORT_ONLINE, pwwn_ptr);
break;
case BFA_PORT_AEN_OFFLINE:
bfa_log(logmod, BFA_AEN_PORT_OFFLINE, pwwn_ptr);
break;
case BFA_PORT_AEN_ENABLE:
bfa_log(logmod, BFA_AEN_PORT_ENABLE, pwwn_ptr);
break;
case BFA_PORT_AEN_DISABLE:
bfa_log(logmod, BFA_AEN_PORT_DISABLE, pwwn_ptr);
break;
case BFA_PORT_AEN_DISCONNECT:
bfa_log(logmod, BFA_AEN_PORT_DISCONNECT, pwwn_ptr);
break;
case BFA_PORT_AEN_QOS_NEG:
bfa_log(logmod, BFA_AEN_PORT_QOS_NEG, pwwn_ptr);
break;
default:
break;
}
bfa_ioc_get_attr(&pport->bfa->ioc, &ioc_attr);
aen_data.port.ioc_type = ioc_attr.ioc_type;
aen_data.port.pwwn = pwwn;
}
static void
bfa_pport_sm_uninit(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_START:
/**
* Start event after IOC is configured and BFA is started.
*/
if (bfa_pport_send_enable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_enabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
break;
case BFA_PPORT_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_PPORT_SM_DISABLE:
/**
* If a port is persistently configured to be disabled, the
* first event will a port disable request.
*/
bfa_sm_set_state(pport, bfa_pport_sm_disabled);
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_QRESUME:
bfa_sm_set_state(pport, bfa_pport_sm_enabling);
bfa_pport_send_enable(pport);
break;
case BFA_PPORT_SM_STOP:
bfa_reqq_wcancel(&pport->reqq_wait);
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
break;
case BFA_PPORT_SM_ENABLE:
/**
* Already enable is in progress.
*/
break;
case BFA_PPORT_SM_DISABLE:
/**
* Just send disable request to firmware when room becomes
* available in request queue.
*/
bfa_sm_set_state(pport, bfa_pport_sm_disabled);
bfa_reqq_wcancel(&pport->reqq_wait);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
break;
case BFA_PPORT_SM_LINKUP:
case BFA_PPORT_SM_LINKDOWN:
/**
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_PPORT_SM_HWFAIL:
bfa_reqq_wcancel(&pport->reqq_wait);
bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_enabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_FWRSP:
case BFA_PPORT_SM_LINKDOWN:
bfa_sm_set_state(pport, bfa_pport_sm_linkdown);
break;
case BFA_PPORT_SM_LINKUP:
bfa_pport_update_linkinfo(pport);
bfa_sm_set_state(pport, bfa_pport_sm_linkup);
bfa_assert(pport->event_cbfn);
bfa_pport_callback(pport, BFA_PPORT_LINKUP);
break;
case BFA_PPORT_SM_ENABLE:
/**
* Already being enabled.
*/
break;
case BFA_PPORT_SM_DISABLE:
if (bfa_pport_send_disable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_disabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
break;
case BFA_PPORT_SM_STOP:
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_linkdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_LINKUP:
bfa_pport_update_linkinfo(pport);
bfa_sm_set_state(pport, bfa_pport_sm_linkup);
bfa_assert(pport->event_cbfn);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
bfa_pport_callback(pport, BFA_PPORT_LINKUP);
bfa_pport_aen_post(pport, BFA_PORT_AEN_ONLINE);
/**
* If QoS is enabled and it is not online,
* Send a separate event.
*/
if ((pport->cfg.qos_enabled)
&& (bfa_os_ntohl(pport->qos_attr.state) != BFA_QOS_ONLINE))
bfa_pport_aen_post(pport, BFA_PORT_AEN_QOS_NEG);
break;
case BFA_PPORT_SM_LINKDOWN:
/**
* Possible to get link down event.
*/
break;
case BFA_PPORT_SM_ENABLE:
/**
* Already enabled.
*/
break;
case BFA_PPORT_SM_DISABLE:
if (bfa_pport_send_disable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_disabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
break;
case BFA_PPORT_SM_STOP:
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_linkup(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_ENABLE:
/**
* Already enabled.
*/
break;
case BFA_PPORT_SM_DISABLE:
if (bfa_pport_send_disable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_disabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
bfa_pport_reset_linkinfo(pport);
bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
break;
case BFA_PPORT_SM_LINKDOWN:
bfa_sm_set_state(pport, bfa_pport_sm_linkdown);
bfa_pport_reset_linkinfo(pport);
bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
if (BFA_PORT_IS_DISABLED(pport->bfa))
bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
else
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
break;
case BFA_PPORT_SM_STOP:
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
bfa_pport_reset_linkinfo(pport);
if (BFA_PORT_IS_DISABLED(pport->bfa))
bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
else
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
bfa_pport_reset_linkinfo(pport);
bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
if (BFA_PORT_IS_DISABLED(pport->bfa))
bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
else
bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport,
enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_QRESUME:
bfa_sm_set_state(pport, bfa_pport_sm_disabling);
bfa_pport_send_disable(pport);
break;
case BFA_PPORT_SM_STOP:
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
bfa_reqq_wcancel(&pport->reqq_wait);
break;
case BFA_PPORT_SM_DISABLE:
/**
* Already being disabled.
*/
break;
case BFA_PPORT_SM_LINKUP:
case BFA_PPORT_SM_LINKDOWN:
/**
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
bfa_reqq_wcancel(&pport->reqq_wait);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_disabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_FWRSP:
bfa_sm_set_state(pport, bfa_pport_sm_disabled);
break;
case BFA_PPORT_SM_DISABLE:
/**
* Already being disabled.
*/
break;
case BFA_PPORT_SM_ENABLE:
if (bfa_pport_send_enable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_enabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE);
break;
case BFA_PPORT_SM_STOP:
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
break;
case BFA_PPORT_SM_LINKUP:
case BFA_PPORT_SM_LINKDOWN:
/**
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_disabled(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_START:
/**
* Ignore start event for a port that is disabled.
*/
break;
case BFA_PPORT_SM_STOP:
bfa_sm_set_state(pport, bfa_pport_sm_stopped);
break;
case BFA_PPORT_SM_ENABLE:
if (bfa_pport_send_enable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_enabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE);
break;
case BFA_PPORT_SM_DISABLE:
/**
* Already disabled.
*/
break;
case BFA_PPORT_SM_HWFAIL:
bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
break;
default:
bfa_sm_fault(pport->bfa, event);
}
}
static void
bfa_pport_sm_stopped(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_START:
if (bfa_pport_send_enable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_enabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
break;
default:
/**
* Ignore all other events.
*/
;
}
}
/**
* Port is enabled. IOC is down/failed.
*/
static void
bfa_pport_sm_iocdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_START:
if (bfa_pport_send_enable(pport))
bfa_sm_set_state(pport, bfa_pport_sm_enabling);
else
bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
break;
default:
/**
* Ignore all events.
*/
;
}
}
/**
* Port is disabled. IOC is down/failed.
*/
static void
bfa_pport_sm_iocfail(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
{
bfa_trc(pport->bfa, event);
switch (event) {
case BFA_PPORT_SM_START:
bfa_sm_set_state(pport, bfa_pport_sm_disabled);
break;
case BFA_PPORT_SM_ENABLE:
bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
break;
default:
/**
* Ignore all events.
*/
;
}
}
/**
* Link state is down
*/
static void
bfa_pport_ln_sm_dn(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event)
{
bfa_trc(ln->pport->bfa, event);
switch (event) {
case BFA_PPORT_LN_SM_LINKUP:
bfa_sm_set_state(ln, bfa_pport_ln_sm_up_nf);
bfa_pport_queue_cb(ln, BFA_PPORT_LINKUP);
break;
default:
bfa_sm_fault(ln->pport->bfa, event);
}
}
/**
* Link state is waiting for down notification
*/
static void
bfa_pport_ln_sm_dn_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event)
{
bfa_trc(ln->pport->bfa, event);
switch (event) {
case BFA_PPORT_LN_SM_LINKUP:
bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_up_nf);
break;
case BFA_PPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_pport_ln_sm_dn);
break;
default:
bfa_sm_fault(ln->pport->bfa, event);
}
}
/**
* Link state is waiting for down notification and there is a pending up
*/
static void
bfa_pport_ln_sm_dn_up_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event)
{
bfa_trc(ln->pport->bfa, event);
switch (event) {
case BFA_PPORT_LN_SM_LINKDOWN:
bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_nf);
break;
case BFA_PPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_pport_ln_sm_up_nf);
bfa_pport_queue_cb(ln, BFA_PPORT_LINKUP);
break;
default:
bfa_sm_fault(ln->pport->bfa, event);
}
}
/**
* Link state is up
*/
static void
bfa_pport_ln_sm_up(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event)
{
bfa_trc(ln->pport->bfa, event);
switch (event) {
case BFA_PPORT_LN_SM_LINKDOWN:
bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_nf);
bfa_pport_queue_cb(ln, BFA_PPORT_LINKDOWN);
break;
default:
bfa_sm_fault(ln->pport->bfa, event);
}
}
/**
* Link state is waiting for up notification
*/
static void
bfa_pport_ln_sm_up_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event)
{
bfa_trc(ln->pport->bfa, event);
switch (event) {
case BFA_PPORT_LN_SM_LINKDOWN:
bfa_sm_set_state(ln, bfa_pport_ln_sm_up_dn_nf);
break;
case BFA_PPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_pport_ln_sm_up);
break;
default:
bfa_sm_fault(ln->pport->bfa, event);
}
}
/**
* Link state is waiting for up notification and there is a pending down
*/
static void
bfa_pport_ln_sm_up_dn_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event)
{
bfa_trc(ln->pport->bfa, event);
switch (event) {
case BFA_PPORT_LN_SM_LINKUP:
bfa_sm_set_state(ln, bfa_pport_ln_sm_up_dn_up_nf);
break;
case BFA_PPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_nf);
bfa_pport_queue_cb(ln, BFA_PPORT_LINKDOWN);
break;
default:
bfa_sm_fault(ln->pport->bfa, event);
}
}
/**
* Link state is waiting for up notification and there are pending down and up
*/
static void
bfa_pport_ln_sm_up_dn_up_nf(struct bfa_pport_ln_s *ln,
enum bfa_pport_ln_sm_event event)
{
bfa_trc(ln->pport->bfa, event);
switch (event) {
case BFA_PPORT_LN_SM_LINKDOWN:
bfa_sm_set_state(ln, bfa_pport_ln_sm_up_dn_nf);
break;
case BFA_PPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_pport_ln_sm_dn_up_nf);
bfa_pport_queue_cb(ln, BFA_PPORT_LINKDOWN);
break;
default:
bfa_sm_fault(ln->pport->bfa, event);
}
}
/**
* bfa_pport_private
*/
static void
__bfa_cb_port_event(void *cbarg, bfa_boolean_t complete)
{
struct bfa_pport_ln_s *ln = cbarg;
if (complete)
ln->pport->event_cbfn(ln->pport->event_cbarg, ln->ln_event);
else
bfa_sm_send_event(ln, BFA_PPORT_LN_SM_NOTIFICATION);
}
#define PPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_pport_stats_u), \
BFA_CACHELINE_SZ))
static void
bfa_pport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
u32 *dm_len)
{
*dm_len += PPORT_STATS_DMA_SZ;
}
static void
bfa_pport_qresume(void *cbarg)
{
struct bfa_pport_s *port = cbarg;
bfa_sm_send_event(port, BFA_PPORT_SM_QRESUME);
}
static void
bfa_pport_mem_claim(struct bfa_pport_s *pport, 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);
pport->stats_kva = dm_kva;
pport->stats_pa = dm_pa;
pport->stats = (union bfa_pport_stats_u *)dm_kva;
dm_kva += PPORT_STATS_DMA_SZ;
dm_pa += PPORT_STATS_DMA_SZ;
bfa_meminfo_dma_virt(meminfo) = dm_kva;
bfa_meminfo_dma_phys(meminfo) = dm_pa;
}
/**
* Memory initialization.
*/
static void
bfa_pport_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_pport_s *pport = BFA_PORT_MOD(bfa);
struct bfa_pport_cfg_s *port_cfg = &pport->cfg;
struct bfa_pport_ln_s *ln = &pport->ln;
bfa_os_memset(pport, 0, sizeof(struct bfa_pport_s));
pport->bfa = bfa;
ln->pport = pport;
bfa_pport_mem_claim(pport, meminfo);
bfa_sm_set_state(pport, bfa_pport_sm_uninit);
bfa_sm_set_state(ln, bfa_pport_ln_sm_dn);
/**
* 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(&pport->reqq_wait, bfa_pport_qresume, pport);
}
static void
bfa_pport_initdone(struct bfa_s *bfa)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
/**
* Initialize port attributes from IOC hardware data.
*/
bfa_pport_set_wwns(pport);
if (pport->cfg.maxfrsize == 0)
pport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
pport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
pport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
bfa_assert(pport->cfg.maxfrsize);
bfa_assert(pport->cfg.rx_bbcredit);
bfa_assert(pport->speed_sup);
}
static void
bfa_pport_detach(struct bfa_s *bfa)
{
}
/**
* Called when IOC is ready.
*/
static void
bfa_pport_start(struct bfa_s *bfa)
{
bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_START);
}
/**
* Called before IOC is stopped.
*/
static void
bfa_pport_stop(struct bfa_s *bfa)
{
bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_STOP);
}
/**
* Called when IOC failure is detected.
*/
static void
bfa_pport_iocdisable(struct bfa_s *bfa)
{
bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_HWFAIL);
}
static void
bfa_pport_update_linkinfo(struct bfa_pport_s *pport)
{
struct bfi_pport_event_s *pevent = pport->event_arg.i2hmsg.event;
pport->speed = pevent->link_state.speed;
pport->topology = pevent->link_state.topology;
if (pport->topology == BFA_PPORT_TOPOLOGY_LOOP)
pport->myalpa = pevent->link_state.tl.loop_info.myalpa;
/*
* QoS Details
*/
bfa_os_assign(pport->qos_attr, pevent->link_state.qos_attr);
bfa_os_assign(pport->qos_vc_attr, pevent->link_state.qos_vc_attr);
bfa_trc(pport->bfa, pport->speed);
bfa_trc(pport->bfa, pport->topology);
}
static void
bfa_pport_reset_linkinfo(struct bfa_pport_s *pport)
{
pport->speed = BFA_PPORT_SPEED_UNKNOWN;
pport->topology = BFA_PPORT_TOPOLOGY_NONE;
}
/**
* Send port enable message to firmware.
*/
static bfa_boolean_t
bfa_pport_send_enable(struct bfa_pport_s *port)
{
struct bfi_pport_enable_req_s *m;
/**
* Increment message tag before queue check, so that responses to old
* requests are discarded.
*/
port->msgtag++;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
if (!m) {
bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_ENABLE_REQ,
bfa_lpuid(port->bfa));
m->nwwn = port->nwwn;
m->pwwn = port->pwwn;
m->port_cfg = port->cfg;
m->msgtag = port->msgtag;
m->port_cfg.maxfrsize = bfa_os_htons(port->cfg.maxfrsize);
bfa_dma_be_addr_set(m->stats_dma_addr, port->stats_pa);
bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_lo);
bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_hi);
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
return BFA_TRUE;
}
/**
* Send port disable message to firmware.
*/
static bfa_boolean_t
bfa_pport_send_disable(struct bfa_pport_s *port)
{
bfi_pport_disable_req_t *m;
/**
* Increment message tag before queue check, so that responses to old
* requests are discarded.
*/
port->msgtag++;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
if (!m) {
bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_DISABLE_REQ,
bfa_lpuid(port->bfa));
m->msgtag = port->msgtag;
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
return BFA_TRUE;
}
static void
bfa_pport_set_wwns(struct bfa_pport_s *port)
{
port->pwwn = bfa_ioc_get_pwwn(&port->bfa->ioc);
port->nwwn = bfa_ioc_get_nwwn(&port->bfa->ioc);
bfa_trc(port->bfa, port->pwwn);
bfa_trc(port->bfa, port->nwwn);
}
static void
bfa_port_send_txcredit(void *port_cbarg)
{
struct bfa_pport_s *port = port_cbarg;
struct bfi_pport_set_svc_params_req_s *m;
/**
* check for room in queue to send request now
*/
m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
if (!m) {
bfa_trc(port->bfa, port->cfg.tx_bbcredit);
return;
}
bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_SET_SVC_PARAMS_REQ,
bfa_lpuid(port->bfa));
m->tx_bbcredit = bfa_os_htons((u16) port->cfg.tx_bbcredit);
/**
* queue I/O message to firmware
*/
bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
}
/**
* bfa_pport_public
*/
/**
* Firmware message handler.
*/
void
bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
union bfi_pport_i2h_msg_u i2hmsg;
i2hmsg.msg = msg;
pport->event_arg.i2hmsg = i2hmsg;
switch (msg->mhdr.msg_id) {
case BFI_PPORT_I2H_ENABLE_RSP:
if (pport->msgtag == i2hmsg.enable_rsp->msgtag)
bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP);
break;
case BFI_PPORT_I2H_DISABLE_RSP:
if (pport->msgtag == i2hmsg.enable_rsp->msgtag)
bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP);
break;
case BFI_PPORT_I2H_EVENT:
switch (i2hmsg.event->link_state.linkstate) {
case BFA_PPORT_LINKUP:
bfa_sm_send_event(pport, BFA_PPORT_SM_LINKUP);
break;
case BFA_PPORT_LINKDOWN:
bfa_sm_send_event(pport, BFA_PPORT_SM_LINKDOWN);
break;
case BFA_PPORT_TRUNK_LINKDOWN:
/** todo: event notification */
break;
}
break;
case BFI_PPORT_I2H_GET_STATS_RSP:
case BFI_PPORT_I2H_GET_QOS_STATS_RSP:
/*
* check for timer pop before processing the rsp
*/
if (pport->stats_busy == BFA_FALSE
|| pport->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&pport->timer);
pport->stats_status = i2hmsg.getstats_rsp->status;
bfa_cb_queue(pport->bfa, &pport->hcb_qe, __bfa_cb_port_stats,
pport);
break;
case BFI_PPORT_I2H_CLEAR_STATS_RSP:
case BFI_PPORT_I2H_CLEAR_QOS_STATS_RSP:
/*
* check for timer pop before processing the rsp
*/
if (pport->stats_busy == BFA_FALSE
|| pport->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&pport->timer);
pport->stats_status = BFA_STATUS_OK;
bfa_cb_queue(pport->bfa, &pport->hcb_qe,
__bfa_cb_port_stats_clr, pport);
break;
default:
bfa_assert(0);
}
}
/**
* bfa_pport_api
*/
/**
* Registered callback for port events.
*/
void
bfa_pport_event_register(struct bfa_s *bfa,
void (*cbfn) (void *cbarg, bfa_pport_event_t event),
void *cbarg)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
pport->event_cbfn = cbfn;
pport->event_cbarg = cbarg;
}
bfa_status_t
bfa_pport_enable(struct bfa_s *bfa)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
if (pport->diag_busy)
return BFA_STATUS_DIAG_BUSY;
else if (bfa_sm_cmp_state
(BFA_PORT_MOD(bfa), bfa_pport_sm_disabling_qwait))
return BFA_STATUS_DEVBUSY;
bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_ENABLE);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_pport_disable(struct bfa_s *bfa)
{
bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_DISABLE);
return BFA_STATUS_OK;
}
/**
* Configure port speed.
*/
bfa_status_t
bfa_pport_cfg_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, speed);
if ((speed != BFA_PPORT_SPEED_AUTO) && (speed > pport->speed_sup)) {
bfa_trc(bfa, pport->speed_sup);
return BFA_STATUS_UNSUPP_SPEED;
}
pport->cfg.speed = speed;
return BFA_STATUS_OK;
}
/**
* Get current speed.
*/
enum bfa_pport_speed
bfa_pport_get_speed(struct bfa_s *bfa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
return port->speed;
}
/**
* Configure port topology.
*/
bfa_status_t
bfa_pport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, topology);
bfa_trc(bfa, pport->cfg.topology);
switch (topology) {
case BFA_PPORT_TOPOLOGY_P2P:
case BFA_PPORT_TOPOLOGY_LOOP:
case BFA_PPORT_TOPOLOGY_AUTO:
break;
default:
return BFA_STATUS_EINVAL;
}
pport->cfg.topology = topology;
return BFA_STATUS_OK;
}
/**
* Get current topology.
*/
enum bfa_pport_topology
bfa_pport_get_topology(struct bfa_s *bfa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
return port->topology;
}
bfa_status_t
bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, alpa);
bfa_trc(bfa, pport->cfg.cfg_hardalpa);
bfa_trc(bfa, pport->cfg.hardalpa);
pport->cfg.cfg_hardalpa = BFA_TRUE;
pport->cfg.hardalpa = alpa;
return BFA_STATUS_OK;
}
bfa_status_t
bfa_pport_clr_hardalpa(struct bfa_s *bfa)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, pport->cfg.cfg_hardalpa);
bfa_trc(bfa, pport->cfg.hardalpa);
pport->cfg.cfg_hardalpa = BFA_FALSE;
return BFA_STATUS_OK;
}
bfa_boolean_t
bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
*alpa = port->cfg.hardalpa;
return port->cfg.cfg_hardalpa;
}
u8
bfa_pport_get_myalpa(struct bfa_s *bfa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
return port->myalpa;
}
bfa_status_t
bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, maxfrsize);
bfa_trc(bfa, pport->cfg.maxfrsize);
/*
* with in range
*/
if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ))
return BFA_STATUS_INVLD_DFSZ;
/*
* power of 2, if not the max frame size of 2112
*/
if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
return BFA_STATUS_INVLD_DFSZ;
pport->cfg.maxfrsize = maxfrsize;
return BFA_STATUS_OK;
}
u16
bfa_pport_get_maxfrsize(struct bfa_s *bfa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
return port->cfg.maxfrsize;
}
u32
bfa_pport_mypid(struct bfa_s *bfa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
return port->mypid;
}
u8
bfa_pport_get_rx_bbcredit(struct bfa_s *bfa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
return port->cfg.rx_bbcredit;
}
void
bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
port->cfg.tx_bbcredit = (u8) tx_bbcredit;
bfa_port_send_txcredit(port);
}
/**
* Get port attributes.
*/
wwn_t
bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
if (node)
return pport->nwwn;
else
return pport->pwwn;
}
void
bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_os_memset(attr, 0, sizeof(struct bfa_pport_attr_s));
attr->nwwn = pport->nwwn;
attr->pwwn = pport->pwwn;
bfa_os_memcpy(&attr->pport_cfg, &pport->cfg,
sizeof(struct bfa_pport_cfg_s));
/*
* speed attributes
*/
attr->pport_cfg.speed = pport->cfg.speed;
attr->speed_supported = pport->speed_sup;
attr->speed = pport->speed;
attr->cos_supported = FC_CLASS_3;
/*
* topology attributes
*/
attr->pport_cfg.topology = pport->cfg.topology;
attr->topology = pport->topology;
/*
* beacon attributes
*/
attr->beacon = pport->beacon;
attr->link_e2e_beacon = pport->link_e2e_beacon;
attr->plog_enabled = bfa_plog_get_setting(pport->bfa->plog);
attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
attr->port_state = bfa_sm_to_state(hal_pport_sm_table, pport->sm);
if (bfa_ioc_is_disabled(&pport->bfa->ioc))
attr->port_state = BFA_PPORT_ST_IOCDIS;
else if (bfa_ioc_fw_mismatch(&pport->bfa->ioc))
attr->port_state = BFA_PPORT_ST_FWMISMATCH;
}
static void
bfa_port_stats_query(void *cbarg)
{
struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
bfi_pport_get_stats_req_t *msg;
msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
if (!msg) {
port->stats_qfull = BFA_TRUE;
bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_query,
port);
bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
return;
}
port->stats_qfull = BFA_FALSE;
bfa_os_memset(msg, 0, sizeof(bfi_pport_get_stats_req_t));
bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_GET_STATS_REQ,
bfa_lpuid(port->bfa));
bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
return;
}
static void
bfa_port_stats_clear(void *cbarg)
{
struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
bfi_pport_clear_stats_req_t *msg;
msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
if (!msg) {
port->stats_qfull = BFA_TRUE;
bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_clear,
port);
bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
return;
}
port->stats_qfull = BFA_FALSE;
bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_stats_req_t));
bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_STATS_REQ,
bfa_lpuid(port->bfa));
bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
return;
}
static void
bfa_port_qos_stats_clear(void *cbarg)
{
struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
bfi_pport_clear_qos_stats_req_t *msg;
msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
if (!msg) {
port->stats_qfull = BFA_TRUE;
bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_qos_stats_clear,
port);
bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
return;
}
port->stats_qfull = BFA_FALSE;
bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_qos_stats_req_t));
bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ,
bfa_lpuid(port->bfa));
bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
return;
}
static void
bfa_pport_stats_swap(union bfa_pport_stats_u *d, union bfa_pport_stats_u *s)
{
u32 *dip = (u32 *) d;
u32 *sip = (u32 *) s;
int i;
/*
* Do 64 bit fields swap first
*/
for (i = 0;
i <
((sizeof(union bfa_pport_stats_u) -
sizeof(struct bfa_qos_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
}
/*
* Now swap the 32 bit fields
*/
for (; i < (sizeof(union bfa_pport_stats_u) / sizeof(u32)); ++i)
dip[i] = bfa_os_ntohl(sip[i]);
}
static void
__bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete)
{
struct bfa_pport_s *port = cbarg;
if (complete) {
port->stats_cbfn(port->stats_cbarg, port->stats_status);
} else {
port->stats_busy = BFA_FALSE;
port->stats_status = BFA_STATUS_OK;
}
}
static void
bfa_port_stats_clr_timeout(void *cbarg)
{
struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
bfa_trc(port->bfa, port->stats_qfull);
if (port->stats_qfull) {
bfa_reqq_wcancel(&port->stats_reqq_wait);
port->stats_qfull = BFA_FALSE;
}
port->stats_status = BFA_STATUS_ETIMER;
bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats_clr, port);
}
static void
bfa_pport_callback(struct bfa_pport_s *pport, enum bfa_pport_linkstate event)
{
if (pport->bfa->fcs) {
pport->event_cbfn(pport->event_cbarg, event);
return;
}
switch (event) {
case BFA_PPORT_LINKUP:
bfa_sm_send_event(&pport->ln, BFA_PPORT_LN_SM_LINKUP);
break;
case BFA_PPORT_LINKDOWN:
bfa_sm_send_event(&pport->ln, BFA_PPORT_LN_SM_LINKDOWN);
break;
default:
bfa_assert(0);
}
}
static void
bfa_pport_queue_cb(struct bfa_pport_ln_s *ln, enum bfa_pport_linkstate event)
{
ln->ln_event = event;
bfa_cb_queue(ln->pport->bfa, &ln->ln_qe, __bfa_cb_port_event, ln);
}
static void
__bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete)
{
struct bfa_pport_s *port = cbarg;
if (complete) {
if (port->stats_status == BFA_STATUS_OK)
bfa_pport_stats_swap(port->stats_ret, port->stats);
port->stats_cbfn(port->stats_cbarg, port->stats_status);
} else {
port->stats_busy = BFA_FALSE;
port->stats_status = BFA_STATUS_OK;
}
}
static void
bfa_port_stats_timeout(void *cbarg)
{
struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
bfa_trc(port->bfa, port->stats_qfull);
if (port->stats_qfull) {
bfa_reqq_wcancel(&port->stats_reqq_wait);
port->stats_qfull = BFA_FALSE;
}
port->stats_status = BFA_STATUS_ETIMER;
bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats, port);
}
#define BFA_PORT_STATS_TOV 1000
/**
* Fetch port attributes.
*/
bfa_status_t
bfa_pport_get_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats,
bfa_cb_pport_t cbfn, void *cbarg)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
if (port->stats_busy) {
bfa_trc(bfa, port->stats_busy);
return BFA_STATUS_DEVBUSY;
}
port->stats_busy = BFA_TRUE;
port->stats_ret = stats;
port->stats_cbfn = cbfn;
port->stats_cbarg = cbarg;
bfa_port_stats_query(port);
bfa_timer_start(bfa, &port->timer, bfa_port_stats_timeout, port,
BFA_PORT_STATS_TOV);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
if (port->stats_busy) {
bfa_trc(bfa, port->stats_busy);
return BFA_STATUS_DEVBUSY;
}
port->stats_busy = BFA_TRUE;
port->stats_cbfn = cbfn;
port->stats_cbarg = cbarg;
bfa_port_stats_clear(port);
bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port,
BFA_PORT_STATS_TOV);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, bitmap);
bfa_trc(bfa, pport->cfg.trunked);
bfa_trc(bfa, pport->cfg.trunk_ports);
if (!bitmap || (bitmap & (bitmap - 1)))
return BFA_STATUS_EINVAL;
pport->cfg.trunked = BFA_TRUE;
pport->cfg.trunk_ports = bitmap;
return BFA_STATUS_OK;
}
void
bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
qos_attr->state = bfa_os_ntohl(pport->qos_attr.state);
qos_attr->total_bb_cr = bfa_os_ntohl(pport->qos_attr.total_bb_cr);
}
void
bfa_pport_qos_get_vc_attr(struct bfa_s *bfa,
struct bfa_qos_vc_attr_s *qos_vc_attr)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
struct bfa_qos_vc_attr_s *bfa_vc_attr = &pport->qos_vc_attr;
u32 i = 0;
qos_vc_attr->total_vc_count = bfa_os_ntohs(bfa_vc_attr->total_vc_count);
qos_vc_attr->shared_credit = bfa_os_ntohs(bfa_vc_attr->shared_credit);
qos_vc_attr->elp_opmode_flags =
bfa_os_ntohl(bfa_vc_attr->elp_opmode_flags);
/*
* Individual VC info
*/
while (i < qos_vc_attr->total_vc_count) {
qos_vc_attr->vc_info[i].vc_credit =
bfa_vc_attr->vc_info[i].vc_credit;
qos_vc_attr->vc_info[i].borrow_credit =
bfa_vc_attr->vc_info[i].borrow_credit;
qos_vc_attr->vc_info[i].priority =
bfa_vc_attr->vc_info[i].priority;
++i;
}
}
/**
* Fetch QoS Stats.
*/
bfa_status_t
bfa_pport_get_qos_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats,
bfa_cb_pport_t cbfn, void *cbarg)
{
/*
* QoS stats is embedded in port stats
*/
return bfa_pport_get_stats(bfa, stats, cbfn, cbarg);
}
bfa_status_t
bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
if (port->stats_busy) {
bfa_trc(bfa, port->stats_busy);
return BFA_STATUS_DEVBUSY;
}
port->stats_busy = BFA_TRUE;
port->stats_cbfn = cbfn;
port->stats_cbarg = cbarg;
bfa_port_qos_stats_clear(port);
bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port,
BFA_PORT_STATS_TOV);
return BFA_STATUS_OK;
}
/**
* Fetch port attributes.
*/
bfa_status_t
bfa_pport_trunk_disable(struct bfa_s *bfa)
{
return BFA_STATUS_OK;
}
bfa_boolean_t
bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
*bitmap = port->cfg.trunk_ports;
return port->cfg.trunked;
}
bfa_boolean_t
bfa_pport_is_disabled(struct bfa_s *bfa)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
return bfa_sm_to_state(hal_pport_sm_table, port->sm) ==
BFA_PPORT_ST_DISABLED;
}
bfa_boolean_t
bfa_pport_is_ratelim(struct bfa_s *bfa)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
return pport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
}
void
bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, on_off);
bfa_trc(bfa, pport->cfg.qos_enabled);
pport->cfg.qos_enabled = on_off;
}
void
bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, on_off);
bfa_trc(bfa, pport->cfg.ratelimit);
pport->cfg.ratelimit = on_off;
if (pport->cfg.trl_def_speed == BFA_PPORT_SPEED_UNKNOWN)
pport->cfg.trl_def_speed = BFA_PPORT_SPEED_1GBPS;
}
/**
* Configure default minimum ratelim speed
*/
bfa_status_t
bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, speed);
/*
* Auto and speeds greater than the supported speed, are invalid
*/
if ((speed == BFA_PPORT_SPEED_AUTO) || (speed > pport->speed_sup)) {
bfa_trc(bfa, pport->speed_sup);
return BFA_STATUS_UNSUPP_SPEED;
}
pport->cfg.trl_def_speed = speed;
return BFA_STATUS_OK;
}
/**
* Get default minimum ratelim speed
*/
enum bfa_pport_speed
bfa_pport_get_ratelim_speed(struct bfa_s *bfa)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, pport->cfg.trl_def_speed);
return pport->cfg.trl_def_speed;
}
void
bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, status);
bfa_trc(bfa, pport->diag_busy);
pport->diag_busy = status;
}
void
bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon,
bfa_boolean_t link_e2e_beacon)
{
struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
bfa_trc(bfa, beacon);
bfa_trc(bfa, link_e2e_beacon);
bfa_trc(bfa, pport->beacon);
bfa_trc(bfa, pport->link_e2e_beacon);
pport->beacon = beacon;
pport->link_e2e_beacon = link_e2e_beacon;
}
bfa_boolean_t
bfa_pport_is_linkup(struct bfa_s *bfa)
{
return bfa_sm_cmp_state(BFA_PORT_MOD(bfa), bfa_pport_sm_linkup);
}