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// SPDX-License-Identifier: GPL-2.0-only
/*
* Shared Memory Communications over RDMA (SMC-R) and RoCE
*
* SMC statistics netlink routines
*
* Copyright IBM Corp. 2021
*
* Author(s): Guvenc Gulce
*/
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/percpu.h>
#include <linux/ctype.h>
#include "smc_stats.h"
/* serialize fallback reason statistic gathering */
DEFINE_MUTEX(smc_stat_fback_rsn);
struct smc_stats __percpu *smc_stats; /* per cpu counters for SMC */
struct smc_stats_reason fback_rsn;
int __init smc_stats_init(void)
{
memset(&fback_rsn, 0, sizeof(fback_rsn));
smc_stats = alloc_percpu(struct smc_stats);
if (!smc_stats)
return -ENOMEM;
return 0;
}
void smc_stats_exit(void)
{
free_percpu(smc_stats);
}
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