cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rtrs-srv-stats.c (999B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * RDMA Transport Layer
      4 *
      5 * Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
      6 * Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
      7 * Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved.
      8 */
      9#undef pr_fmt
     10#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt
     11
     12#include "rtrs-srv.h"
     13
     14int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable)
     15{
     16	if (enable) {
     17		struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats;
     18
     19		memset(r, 0, sizeof(*r));
     20		return 0;
     21	}
     22
     23	return -EINVAL;
     24}
     25
     26ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats, char *page)
     27{
     28	struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats;
     29
     30	return sysfs_emit(page, "%lld %lld %lld %lldn %u\n",
     31			  (s64)atomic64_read(&r->dir[READ].cnt),
     32			  (s64)atomic64_read(&r->dir[READ].size_total),
     33			  (s64)atomic64_read(&r->dir[WRITE].cnt),
     34			  (s64)atomic64_read(&r->dir[WRITE].size_total), 0);
     35}