/**
* store_hibernate - Initiate partition hibernation
* @dev: subsys root device
* @attr: device attribute struct
* @buf: buffer
* @count: buffer size
*
* Write the stream ID received from the HMC to this file
* to trigger hibernating the partition
*
* Return value:
* number of bytes printed to buffer / other on failure
**/
static ssize_t store_hibernate(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int rc;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
stream_id = simple_strtoul(buf, NULL, 16);
do {
rc = pseries_suspend_begin(PM_SUSPEND_MEM);
if (rc == -EAGAIN)
ssleep(1);
} while (rc == -EAGAIN);
if (!rc)
rc = pm_suspend(PM_SUSPEND_MEM);
stream_id = 0;
if (!rc)
rc = count;
return rc;
}
/**
* store_hibernate - Initiate partition hibernation
* @classdev: sysdev class struct
* @attr: class device attribute struct
* @buf: buffer
* @count: buffer size
*
* Write the stream ID received from the HMC to this file
* to trigger hibernating the partition
*
* Return value:
* number of bytes printed to buffer / other on failure
**/
static ssize_t store_hibernate(struct sysdev_class *classdev,
const char *buf, size_t count)
{
int rc;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
stream_id = simple_strtoul(buf, NULL, 16);
do {
rc = pseries_suspend_begin(PM_SUSPEND_MEM);
if (rc == -EAGAIN)
ssleep(1);
} while (rc == -EAGAIN);
if (!rc) {
stop_topology_update();
rc = pm_suspend(PM_SUSPEND_MEM);
start_topology_update();
}
stream_id = 0;
if (!rc)
rc = count;
return rc;
}
