2 * Serial Attached SCSI (SAS) Event processing
4 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
5 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
7 * This file is licensed under GPLv2.
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 #include <scsi/scsi_host.h>
26 #include "sas_internal.h"
29 static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event)
31 BUG_ON(event >= HA_NUM_EVENTS);
33 sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending,
34 &sas_ha->ha_events[event].work, sas_ha->core.shost);
37 static void notify_port_event(struct asd_sas_phy *phy, enum port_event event)
39 struct sas_ha_struct *ha = phy->ha;
41 BUG_ON(event >= PORT_NUM_EVENTS);
43 sas_queue_event(event, &ha->event_lock, &phy->port_events_pending,
44 &phy->port_events[event].work, ha->core.shost);
47 static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event)
49 struct sas_ha_struct *ha = phy->ha;
51 BUG_ON(event >= PHY_NUM_EVENTS);
53 sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending,
54 &phy->phy_events[event].work, ha->core.shost);
57 int sas_init_events(struct sas_ha_struct *sas_ha)
59 static const work_func_t sas_ha_event_fns[HA_NUM_EVENTS] = {
60 [HAE_RESET] = sas_hae_reset,
65 spin_lock_init(&sas_ha->event_lock);
67 for (i = 0; i < HA_NUM_EVENTS; i++) {
68 INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]);
69 sas_ha->ha_events[i].ha = sas_ha;
72 sas_ha->notify_ha_event = notify_ha_event;
73 sas_ha->notify_port_event = notify_port_event;
74 sas_ha->notify_phy_event = notify_phy_event;