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
rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats * stats,bool enable)14 int 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
rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats * stats,char * page,size_t len)26 ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats,
27 char *page, size_t len)
28 {
29 struct rtrs_srv_stats_rdma_stats *r = &stats->rdma_stats;
30 struct rtrs_srv_sess *sess = stats->sess;
31
32 return scnprintf(page, len, "%lld %lld %lld %lld %u\n",
33 (s64)atomic64_read(&r->dir[READ].cnt),
34 (s64)atomic64_read(&r->dir[READ].size_total),
35 (s64)atomic64_read(&r->dir[WRITE].cnt),
36 (s64)atomic64_read(&r->dir[WRITE].size_total),
37 atomic_read(&sess->ids_inflight));
38 }
39