huawei-mrd-kernel/drivers/hwzerohung/watchpoint/hung_wp_fence.c

44 lines
1 KiB
C

/**********************************************************
* Filename: hung_wp_fence.c
*
* Discription: fence timeout watchpoint implementation file.
*
* When baseline update, that file that this interface located
* deleted everytime, because the fence src changed obviously. so
* reconstruct this watchpoint to new file.
*
* Copyright: (C) 2018 huawei.
*
* Author: huanghuijin
*
**********************************************************/
#include <linux/kernel.h>
#include <linux/jiffies.h>
#include <linux/version.h>
#include "chipset_common/hwzrhung/zrhung.h"
#ifdef CONFIG_SW_SYNC
extern void sync_dump(void);
#endif
/* 4.14 kernel, there is no fence.c */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0))
void fencewp_report(long timeout, bool dump)
{
char fence_buf[128] = {0};
if (dump == true) {
#ifdef CONFIG_SW_SYNC
sync_dump();
#else
;
#endif
}
snprintf(fence_buf, sizeof(fence_buf), "fence timeout after %dms\n", jiffies_to_msecs(timeout));
zrhung_send_event(ZRHUNG_WP_FENCE, "K", fence_buf);
}
#endif