1 files changed, 75 insertions, 0 deletions

diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c
new file mode 100644
index 000000000000..19110ed1c89c
--- /dev/null
+++ b/drivers/scsi/libsas/sas_event.c
@@ -0,0 +1,75 @@
+/*
+ * 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], sas_ha->core.shost);
+}
+
+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], ha->core.shost);
+}
+
+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], ha->core.shost);
+}
+
+int sas_init_events(struct sas_ha_struct *sas_ha)
+{
+        static void (*sas_ha_event_fns[HA_NUM_EVENTS])(void *) = {
+                [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], sas_ha_event_fns[i], 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;
+}