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[S390] pm: zfcp driver power management callbacks

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Signed-off-by: Martin Petermann <martin.petermann@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Petermann 2009-06-16 10:30:34 +02:00 committed by Martin Schwidefsky
parent 88efc2c503
commit daa70fa960
1 changed files with 33 additions and 0 deletions
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33
drivers/s390/scsi/zfcp_ccw.c
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@ -13,6 +13,36 @@
#define ZFCP_MODEL_PRIV 0x4
static int zfcp_ccw_suspend(struct ccw_device *cdev)
{
struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);
down(&zfcp_data.config_sema);
zfcp_erp_adapter_shutdown(adapter, 0, "ccsusp1", NULL);
zfcp_erp_wait(adapter);
up(&zfcp_data.config_sema);
return 0;
}
static int zfcp_ccw_activate(struct ccw_device *cdev)
{
struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);
zfcp_erp_modify_adapter_status(adapter, "ccresu1", NULL,
ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
"ccresu2", NULL);
zfcp_erp_wait(adapter);
flush_work(&adapter->scan_work);
return 0;
}
static struct ccw_device_id zfcp_ccw_device_id[] = {
{ CCW_DEVICE_DEVTYPE(0x1731, 0x3, 0x1732, 0x3) },
{ CCW_DEVICE_DEVTYPE(0x1731, 0x3, 0x1732, ZFCP_MODEL_PRIV) },
@ -227,6 +257,9 @@ static struct ccw_driver zfcp_ccw_driver = {
.set_offline = zfcp_ccw_set_offline,
.notify = zfcp_ccw_notify,
.shutdown = zfcp_ccw_shutdown,
.freeze = zfcp_ccw_suspend,
.thaw = zfcp_ccw_activate,
.restore = zfcp_ccw_activate,
};
/**