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6b0efb8516
Track sas_ha_struct state so that we ignore events that come in while we're shutting things down. Signed-off-by: Malahal Naineni <malahal@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
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* Serial Attached SCSI (SAS) Event processing
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*
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* Copyright (C) 2005 Adaptec, Inc. All rights reserved.
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* Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
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*
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* This file is licensed under GPLv2.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <scsi/scsi_host.h>
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#include "sas_internal.h"
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#include "sas_dump.h"
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static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event)
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{
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BUG_ON(event >= HA_NUM_EVENTS);
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sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending,
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&sas_ha->ha_events[event].work, sas_ha);
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}
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static void notify_port_event(struct asd_sas_phy *phy, enum port_event event)
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{
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struct sas_ha_struct *ha = phy->ha;
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BUG_ON(event >= PORT_NUM_EVENTS);
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sas_queue_event(event, &ha->event_lock, &phy->port_events_pending,
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&phy->port_events[event].work, ha);
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}
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static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event)
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{
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struct sas_ha_struct *ha = phy->ha;
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BUG_ON(event >= PHY_NUM_EVENTS);
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sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending,
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&phy->phy_events[event].work, ha);
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}
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int sas_init_events(struct sas_ha_struct *sas_ha)
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{
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static const work_func_t sas_ha_event_fns[HA_NUM_EVENTS] = {
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[HAE_RESET] = sas_hae_reset,
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};
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int i;
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spin_lock_init(&sas_ha->event_lock);
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for (i = 0; i < HA_NUM_EVENTS; i++) {
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INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]);
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sas_ha->ha_events[i].ha = sas_ha;
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}
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sas_ha->notify_ha_event = notify_ha_event;
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sas_ha->notify_port_event = notify_port_event;
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sas_ha->notify_phy_event = notify_phy_event;
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return 0;
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}
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