1c0dd49bdSEiji Ota /*
216e76cddSagiri * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
3c0dd49bdSEiji Ota */
416e76cddSagiri
5c0dd49bdSEiji Ota /*
616e76cddSagiri * This file contains code imported from the OFED rds source file ib_stats.c
716e76cddSagiri * Oracle elects to have and use the contents of ib_stats.c under and governed
816e76cddSagiri * by the OpenIB.org BSD license (see below for full license text). However,
916e76cddSagiri * the following notice accompanied the original version of this file:
10c0dd49bdSEiji Ota */
11c0dd49bdSEiji Ota
12c0dd49bdSEiji Ota /*
13c0dd49bdSEiji Ota * Copyright (c) 2006 Oracle. All rights reserved.
14c0dd49bdSEiji Ota *
15c0dd49bdSEiji Ota * This software is available to you under a choice of one of two
16c0dd49bdSEiji Ota * licenses. You may choose to be licensed under the terms of the GNU
17c0dd49bdSEiji Ota * General Public License (GPL) Version 2, available from the file
18c0dd49bdSEiji Ota * COPYING in the main directory of this source tree, or the
19c0dd49bdSEiji Ota * OpenIB.org BSD license below:
20c0dd49bdSEiji Ota *
21c0dd49bdSEiji Ota * Redistribution and use in source and binary forms, with or
22c0dd49bdSEiji Ota * without modification, are permitted provided that the following
23c0dd49bdSEiji Ota * conditions are met:
24c0dd49bdSEiji Ota *
25c0dd49bdSEiji Ota * - Redistributions of source code must retain the above
26c0dd49bdSEiji Ota * copyright notice, this list of conditions and the following
27c0dd49bdSEiji Ota * disclaimer.
28c0dd49bdSEiji Ota *
29c0dd49bdSEiji Ota * - Redistributions in binary form must reproduce the above
30c0dd49bdSEiji Ota * copyright notice, this list of conditions and the following
31c0dd49bdSEiji Ota * disclaimer in the documentation and/or other materials
32c0dd49bdSEiji Ota * provided with the distribution.
33c0dd49bdSEiji Ota *
34c0dd49bdSEiji Ota * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35c0dd49bdSEiji Ota * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
36c0dd49bdSEiji Ota * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37c0dd49bdSEiji Ota * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
38c0dd49bdSEiji Ota * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
39c0dd49bdSEiji Ota * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
40c0dd49bdSEiji Ota * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
41c0dd49bdSEiji Ota * SOFTWARE.
42c0dd49bdSEiji Ota *
43c0dd49bdSEiji Ota */
44c0dd49bdSEiji Ota #include <sys/rds.h>
45c0dd49bdSEiji Ota
46c0dd49bdSEiji Ota #include <sys/ib/clients/rdsv3/rdsv3.h>
47c0dd49bdSEiji Ota #include <sys/ib/clients/rdsv3/ib.h>
48c0dd49bdSEiji Ota #include <sys/ib/clients/rdsv3/rdsv3_debug.h>
49c0dd49bdSEiji Ota
50a530e0a9Sagiri struct rdsv3_ib_statistics *rdsv3_ib_stats = NULL;
51c0dd49bdSEiji Ota
52c0dd49bdSEiji Ota static char *rdsv3_ib_stat_names[] = {
53c0dd49bdSEiji Ota "ib_connect_raced",
54c0dd49bdSEiji Ota "ib_listen_closed_stale",
55*5e12ddadSEiji Ota "ib_evt_handler_call",
56*5e12ddadSEiji Ota "ib_tasklet_call",
57c0dd49bdSEiji Ota "ib_tx_cq_event",
58c0dd49bdSEiji Ota "ib_tx_ring_full",
59c0dd49bdSEiji Ota "ib_tx_throttle",
60c0dd49bdSEiji Ota "ib_tx_sg_mapping_failure",
61c0dd49bdSEiji Ota "ib_tx_stalled",
62c0dd49bdSEiji Ota "ib_tx_credit_updates",
63c0dd49bdSEiji Ota "ib_rx_cq_event",
64c0dd49bdSEiji Ota "ib_rx_ring_empty",
65c0dd49bdSEiji Ota "ib_rx_refill_from_cq",
66c0dd49bdSEiji Ota "ib_rx_refill_from_thread",
67c0dd49bdSEiji Ota "ib_rx_alloc_limit",
68c0dd49bdSEiji Ota "ib_rx_credit_updates",
69c0dd49bdSEiji Ota "ib_ack_sent",
70c0dd49bdSEiji Ota "ib_ack_send_failure",
71c0dd49bdSEiji Ota "ib_ack_send_delayed",
72c0dd49bdSEiji Ota "ib_ack_send_piggybacked",
73c0dd49bdSEiji Ota "ib_ack_received",
74c0dd49bdSEiji Ota "ib_rdma_mr_alloc",
75c0dd49bdSEiji Ota "ib_rdma_mr_free",
76c0dd49bdSEiji Ota "ib_rdma_mr_used",
77c0dd49bdSEiji Ota "ib_rdma_mr_pool_flush",
78c0dd49bdSEiji Ota "ib_rdma_mr_pool_wait",
79c0dd49bdSEiji Ota "ib_rdma_mr_pool_depleted",
80c0dd49bdSEiji Ota };
81c0dd49bdSEiji Ota
82c0dd49bdSEiji Ota unsigned int
rdsv3_ib_stats_info_copy(struct rdsv3_info_iterator * iter,unsigned int avail)83c0dd49bdSEiji Ota rdsv3_ib_stats_info_copy(struct rdsv3_info_iterator *iter,
84c0dd49bdSEiji Ota unsigned int avail)
85c0dd49bdSEiji Ota {
86c0dd49bdSEiji Ota struct rdsv3_ib_statistics stats = {0, };
87c0dd49bdSEiji Ota uint64_t *src;
88c0dd49bdSEiji Ota uint64_t *sum;
89c0dd49bdSEiji Ota size_t i;
90c0dd49bdSEiji Ota int cpu;
91c0dd49bdSEiji Ota
92c0dd49bdSEiji Ota RDSV3_DPRINTF4("rdsv3_ib_stats_info_copy", "iter: %p, avail: %d",
93c0dd49bdSEiji Ota iter, avail);
94c0dd49bdSEiji Ota
95c0dd49bdSEiji Ota if (avail < ARRAY_SIZE(rdsv3_ib_stat_names))
96c0dd49bdSEiji Ota goto out;
97c0dd49bdSEiji Ota
98a530e0a9Sagiri for (cpu = 0; cpu < nr_cpus; cpu++) {
99c0dd49bdSEiji Ota src = (uint64_t *)&(rdsv3_per_cpu(rdsv3_ib_stats, cpu));
100c0dd49bdSEiji Ota sum = (uint64_t *)&stats;
101c0dd49bdSEiji Ota for (i = 0; i < sizeof (stats) / sizeof (uint64_t); i++)
102c0dd49bdSEiji Ota *(sum++) += *(src++);
103c0dd49bdSEiji Ota }
104c0dd49bdSEiji Ota
105c0dd49bdSEiji Ota rdsv3_stats_info_copy(iter, (uint64_t *)&stats, rdsv3_ib_stat_names,
106c0dd49bdSEiji Ota ARRAY_SIZE(rdsv3_ib_stat_names));
107c0dd49bdSEiji Ota
108c0dd49bdSEiji Ota RDSV3_DPRINTF4("rdsv3_ib_stats_info_copy",
109c0dd49bdSEiji Ota "Return: iter: %p, avail: %d", iter, avail);
110c0dd49bdSEiji Ota out:
111c0dd49bdSEiji Ota return (ARRAY_SIZE(rdsv3_ib_stat_names));
112c0dd49bdSEiji Ota }
113