#include <linux/kthread.h>
#include <linux/mutex.h>
#include <asm/s390_rdev.h>
+#include <asm/reset.h>
#include "ap_bus.h"
/* Some prototypes. */
-static void ap_scan_bus(void *);
+static void ap_scan_bus(struct work_struct *);
static void ap_poll_all(unsigned long);
static void ap_poll_timeout(unsigned long);
static int ap_poll_thread_start(void);
static struct workqueue_struct *ap_work_queue;
static struct timer_list ap_config_timer;
static int ap_config_time = AP_CONFIG_TIME;
-static DECLARE_WORK(ap_config_work, ap_scan_bus, NULL);
+static DECLARE_WORK(ap_config_work, ap_scan_bus);
/**
* Tasklet & timer for AP request polling.
ap_dev->device_type);
if (buffer_size - length <= 0)
return -ENOMEM;
- envp[1] = 0;
+ buffer += length;
+ buffer_size -= length;
+ /* Add MODALIAS= */
+ envp[1] = buffer;
+ length = scnprintf(buffer, buffer_size, "MODALIAS=ap:t%02X",
+ ap_dev->device_type);
+ if (buffer_size - length <= 0)
+ return -ENOMEM;
+ envp[2] = NULL;
return 0;
}
* Flush all requests from the request/pending queue of an AP device.
* @ap_dev: pointer to the AP device.
*/
-static inline void __ap_flush_queue(struct ap_device *ap_dev)
+static void __ap_flush_queue(struct ap_device *ap_dev)
{
struct ap_message *ap_msg, *next;
/**
* Pick one of the 16 ap domains.
*/
-static inline int ap_select_domain(void)
+static int ap_select_domain(void)
{
int queue_depth, device_type, count, max_count, best_domain;
int rc, i, j;
kfree(ap_dev);
}
-static void ap_scan_bus(void *data)
+static void ap_scan_bus(struct work_struct *unused)
{
struct ap_device *ap_dev;
struct device *dev;
* required, bit 2^1 is set if the poll timer needs to get armed
* Returns 0 if the device is still present, -ENODEV if not.
*/
-static inline int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
+static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
{
struct ap_queue_status status;
struct ap_message *ap_msg;
* required, bit 2^1 is set if the poll timer needs to get armed
* Returns 0 if the device is still present, -ENODEV if not.
*/
-static inline int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
+static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
{
struct ap_queue_status status;
struct ap_message *ap_msg;
mutex_unlock(&ap_poll_thread_mutex);
}
+static void ap_reset_domain(void)
+{
+ int i;
+
+ for (i = 0; i < AP_DEVICES; i++)
+ ap_reset_queue(AP_MKQID(i, ap_domain_index));
+}
+
+static void ap_reset_all(void)
+{
+ int i, j;
+
+ for (i = 0; i < AP_DOMAINS; i++)
+ for (j = 0; j < AP_DEVICES; j++)
+ ap_reset_queue(AP_MKQID(j, i));
+}
+
+static struct reset_call ap_reset_call = {
+ .fn = ap_reset_all,
+};
+
/**
* The module initialization code.
*/
printk(KERN_WARNING "AP instructions not installed.\n");
return -ENODEV;
}
+ register_reset_call(&ap_reset_call);
/* Create /sys/bus/ap. */
rc = bus_register(&ap_bus_type);
bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
bus_unregister(&ap_bus_type);
out:
+ unregister_reset_call(&ap_reset_call);
return rc;
}
int i;
struct device *dev;
+ ap_reset_domain();
ap_poll_thread_stop();
del_timer_sync(&ap_config_timer);
del_timer_sync(&ap_poll_timer);
destroy_workqueue(ap_work_queue);
+ tasklet_kill(&ap_tasklet);
s390_root_dev_unregister(ap_root_device);
while ((dev = bus_find_device(&ap_bus_type, NULL, NULL,
__ap_match_all)))
for (i = 0; ap_bus_attrs[i]; i++)
bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
bus_unregister(&ap_bus_type);
+ unregister_reset_call(&ap_reset_call);
}
#ifndef CONFIG_ZCRYPT_MONOLITHIC