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>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
|
|
* Serial Attached SCSI (SAS) Event processing
|
|
*
|
|
* Copyright (C) 2005 Adaptec, Inc. All rights reserved.
|
|
* Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
|
|
*
|
|
* This file is licensed under GPLv2.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <scsi/scsi_host.h>
|
|
#include "sas_internal.h"
|
|
#include "sas_dump.h"
|
|
|
|
static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event)
|
|
{
|
|
BUG_ON(event >= HA_NUM_EVENTS);
|
|
|
|
sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending,
|
|
&sas_ha->ha_events[event].work, sas_ha);
|
|
}
|
|
|
|
static void notify_port_event(struct asd_sas_phy *phy, enum port_event event)
|
|
{
|
|
struct sas_ha_struct *ha = phy->ha;
|
|
|
|
BUG_ON(event >= PORT_NUM_EVENTS);
|
|
|
|
sas_queue_event(event, &ha->event_lock, &phy->port_events_pending,
|
|
&phy->port_events[event].work, ha);
|
|
}
|
|
|
|
static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event)
|
|
{
|
|
struct sas_ha_struct *ha = phy->ha;
|
|
|
|
BUG_ON(event >= PHY_NUM_EVENTS);
|
|
|
|
sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending,
|
|
&phy->phy_events[event].work, ha);
|
|
}
|
|
|
|
int sas_init_events(struct sas_ha_struct *sas_ha)
|
|
{
|
|
static const work_func_t sas_ha_event_fns[HA_NUM_EVENTS] = {
|
|
[HAE_RESET] = sas_hae_reset,
|
|
};
|
|
|
|
int i;
|
|
|
|
spin_lock_init(&sas_ha->event_lock);
|
|
|
|
for (i = 0; i < HA_NUM_EVENTS; i++) {
|
|
INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]);
|
|
sas_ha->ha_events[i].ha = sas_ha;
|
|
}
|
|
|
|
sas_ha->notify_ha_event = notify_ha_event;
|
|
sas_ha->notify_port_event = notify_port_event;
|
|
sas_ha->notify_phy_event = notify_phy_event;
|
|
|
|
return 0;
|
|
}
|