4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library.
23 * Copyright (c) 2014, 2017, Intel Corporation.
26 * Author: Amir Shehata <amir.shehata@intel.com>
29 #ifndef __UAPI_LNET_DLC_H_
30 #define __UAPI_LNET_DLC_H_
32 #include <linux/types.h>
34 * This is due to us being out of kernel and the way the OpenSFS branch
38 # include <uapi/linux/lnet/libcfs_ioctl.h>
39 # include <uapi/linux/lnet/lnet-types.h>
41 # include <linux/lnet/libcfs_ioctl.h>
42 # include <linux/lnet/lnet-types.h>
45 #define MAX_NUM_SHOW_ENTRIES 32
46 #define LNET_MAX_STR_LEN 128
47 #define LNET_MAX_SHOW_NUM_CPT 128
48 #define LNET_MAX_SHOW_NUM_NID 128
49 #define LNET_UNDEFINED_HOPS ((__u32) -1)
51 #define LNET_RT_ALIVE (1 << 0)
52 #define LNET_RT_MULTI_HOP (1 << 1)
55 * To allow for future enhancements to extend the tunables
56 * add a hdr to this structure, so that the version can be set
57 * and checked for backwards compatibility. Newer versions of LNet
58 * can still work with older versions of lnetctl. The restriction is
59 * that the structure can be added to and not removed from in order
60 * to not invalidate older lnetctl utilities. Moreover, the order of
61 * fields must remain the same, and new fields appended to the structure
63 * That said all existing LND tunables will be added in this structure
64 * to avoid future changes.
66 struct lnet_ioctl_config_lnd_cmn_tunables {
68 __s32 lct_peer_timeout;
69 __s32 lct_peer_tx_credits;
70 __s32 lct_peer_rtr_credits;
71 __s32 lct_max_tx_credits;
74 struct lnet_ioctl_config_o2iblnd_tunables {
76 __u32 lnd_peercredits_hiw;
77 __u32 lnd_map_on_demand;
78 __u32 lnd_concurrent_sends;
79 __u32 lnd_fmr_pool_size;
80 __u32 lnd_fmr_flush_trigger;
82 __u16 lnd_conns_per_peer;
86 struct lnet_lnd_tunables {
88 struct lnet_ioctl_config_o2iblnd_tunables lnd_o2ib;
92 struct lnet_ioctl_config_lnd_tunables {
93 struct lnet_ioctl_config_lnd_cmn_tunables lt_cmn;
94 struct lnet_lnd_tunables lt_tun;
97 struct lnet_ioctl_net_config {
98 char ni_interfaces[LNET_INTERFACES_NUM][LNET_MAX_STR_LEN];
100 __u32 ni_cpts[LNET_MAX_SHOW_NUM_CPT];
104 #define LNET_TINY_BUF_IDX 0
105 #define LNET_SMALL_BUF_IDX 1
106 #define LNET_LARGE_BUF_IDX 2
108 /* # different router buffer pools */
109 #define LNET_NRBPOOLS (LNET_LARGE_BUF_IDX + 1)
111 struct lnet_ioctl_pool_cfg {
117 } pl_pools[LNET_NRBPOOLS];
121 struct lnet_ioctl_ping_data {
122 struct libcfs_ioctl_hdr ping_hdr;
128 struct lnet_process_id ping_id;
129 struct lnet_process_id __user *ping_buf;
132 struct lnet_ioctl_config_data {
133 struct libcfs_ioctl_hdr cfg_hdr;
145 __u32 rtr_sensitivity;
148 char net_intf[LNET_MAX_STR_LEN];
149 __s32 net_peer_timeout;
150 __s32 net_peer_tx_credits;
151 __s32 net_peer_rtr_credits;
152 __s32 net_max_tx_credits;
153 __u32 net_cksum_algo;
154 __u32 net_interface_count;
167 struct lnet_ioctl_comm_count {
170 __u32 ico_reply_count;
172 __u32 ico_hello_count;
175 struct lnet_ioctl_element_stats {
176 __u32 iel_send_count;
177 __u32 iel_recv_count;
178 __u32 iel_drop_count;
181 enum lnet_health_type {
182 LNET_HEALTH_TYPE_LOCAL_NI = 0,
183 LNET_HEALTH_TYPE_PEER_NI,
186 struct lnet_ioctl_local_ni_hstats {
187 struct libcfs_ioctl_hdr hlni_hdr;
189 __u32 hlni_local_interrupt;
190 __u32 hlni_local_dropped;
191 __u32 hlni_local_aborted;
192 __u32 hlni_local_no_route;
193 __u32 hlni_local_timeout;
194 __u32 hlni_local_error;
195 __s32 hlni_health_value;
198 struct lnet_ioctl_peer_ni_hstats {
199 __u32 hlpni_remote_dropped;
200 __u32 hlpni_remote_timeout;
201 __u32 hlpni_remote_error;
202 __u32 hlpni_network_timeout;
203 __s32 hlpni_health_value;
206 struct lnet_ioctl_element_msg_stats {
207 struct libcfs_ioctl_hdr im_hdr;
209 struct lnet_ioctl_comm_count im_send_stats;
210 struct lnet_ioctl_comm_count im_recv_stats;
211 struct lnet_ioctl_comm_count im_drop_stats;
215 * lnet_ioctl_config_ni
216 * This structure describes an NI configuration. There are multiple components
217 * when configuring an NI: Net, Interfaces, CPT list and LND tunables
218 * A network is passed as a string to the DLC and translated using
220 * An interface is the name of the system configured interface
222 * CPT is the list of CPTS LND tunables are passed in the lic_bulk area
224 struct lnet_ioctl_config_ni {
225 struct libcfs_ioctl_hdr lic_cfg_hdr;
227 char lic_ni_intf[LNET_INTERFACES_NUM][LNET_MAX_STR_LEN];
228 char lic_legacy_ip2nets[LNET_MAX_STR_LEN];
229 __u32 lic_cpts[LNET_MAX_SHOW_NUM_CPT];
232 __u32 lic_tcp_bonding;
239 struct lnet_peer_ni_credit_info {
240 char cr_aliveness[LNET_MAX_STR_LEN];
242 __s32 cr_ni_peer_tx_credits;
243 __s32 cr_peer_tx_credits;
244 __s32 cr_peer_min_tx_credits;
245 __u32 cr_peer_tx_qnob;
246 __s32 cr_peer_rtr_credits;
247 __s32 cr_peer_min_rtr_credits;
251 struct lnet_ioctl_peer {
252 struct libcfs_ioctl_hdr pr_hdr;
258 struct lnet_peer_ni_credit_info pr_peer_credits;
262 struct lnet_ioctl_peer_cfg {
263 struct libcfs_ioctl_hdr prcfg_hdr;
264 lnet_nid_t prcfg_prim_nid;
265 lnet_nid_t prcfg_cfg_nid;
270 void __user *prcfg_bulk;
273 struct lnet_ioctl_reset_health_cfg {
274 struct libcfs_ioctl_hdr rh_hdr;
275 enum lnet_health_type rh_type;
281 struct lnet_ioctl_recovery_list {
282 struct libcfs_ioctl_hdr rlst_hdr;
283 enum lnet_health_type rlst_type;
285 lnet_nid_t rlst_nid_array[LNET_MAX_SHOW_NUM_NID];
288 struct lnet_ioctl_set_value {
289 struct libcfs_ioctl_hdr sv_hdr;
293 struct lnet_ioctl_lnet_stats {
294 struct libcfs_ioctl_hdr st_hdr;
295 struct lnet_counters st_cntrs;
298 #endif /* _LNET_DLC_H_ */