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_
33 * This is due to us being out of kernel and the way the OpenSFS branch
37 # include <uapi/linux/lnet/libcfs_ioctl.h>
38 # include <uapi/linux/lnet/lnet-types.h>
40 # include <linux/lnet/libcfs_ioctl.h>
41 # include <linux/lnet/lnet-types.h>
44 #define MAX_NUM_SHOW_ENTRIES 32
45 #define LNET_MAX_STR_LEN 128
46 #define LNET_MAX_SHOW_NUM_CPT 128
47 #define LNET_MAX_SHOW_NUM_NID 128
48 #define LNET_UNDEFINED_HOPS ((__u32) -1)
51 * To allow for future enhancements to extend the tunables
52 * add a hdr to this structure, so that the version can be set
53 * and checked for backwards compatibility. Newer versions of LNet
54 * can still work with older versions of lnetctl. The restriction is
55 * that the structure can be added to and not removed from in order
56 * to not invalidate older lnetctl utilities. Moreover, the order of
57 * fields must remain the same, and new fields appended to the structure
59 * That said all existing LND tunables will be added in this structure
60 * to avoid future changes.
62 struct lnet_ioctl_config_lnd_cmn_tunables {
64 __s32 lct_peer_timeout;
65 __s32 lct_peer_tx_credits;
66 __s32 lct_peer_rtr_credits;
67 __s32 lct_max_tx_credits;
70 struct lnet_ioctl_config_o2iblnd_tunables {
72 __u32 lnd_peercredits_hiw;
73 __u32 lnd_map_on_demand;
74 __u32 lnd_concurrent_sends;
75 __u32 lnd_fmr_pool_size;
76 __u32 lnd_fmr_flush_trigger;
78 __u16 lnd_conns_per_peer;
82 struct lnet_lnd_tunables {
84 struct lnet_ioctl_config_o2iblnd_tunables lnd_o2ib;
88 struct lnet_ioctl_config_lnd_tunables {
89 struct lnet_ioctl_config_lnd_cmn_tunables lt_cmn;
90 struct lnet_lnd_tunables lt_tun;
93 struct lnet_ioctl_net_config {
94 char ni_interfaces[LNET_INTERFACES_NUM][LNET_MAX_STR_LEN];
96 __u32 ni_cpts[LNET_MAX_SHOW_NUM_CPT];
100 #define LNET_TINY_BUF_IDX 0
101 #define LNET_SMALL_BUF_IDX 1
102 #define LNET_LARGE_BUF_IDX 2
104 /* # different router buffer pools */
105 #define LNET_NRBPOOLS (LNET_LARGE_BUF_IDX + 1)
107 struct lnet_ioctl_pool_cfg {
113 } pl_pools[LNET_NRBPOOLS];
117 struct lnet_ioctl_ping_data {
118 struct libcfs_ioctl_hdr ping_hdr;
124 struct lnet_process_id ping_id;
125 struct lnet_process_id __user *ping_buf;
128 struct lnet_ioctl_config_data {
129 struct libcfs_ioctl_hdr cfg_hdr;
143 char net_intf[LNET_MAX_STR_LEN];
144 __s32 net_peer_timeout;
145 __s32 net_peer_tx_credits;
146 __s32 net_peer_rtr_credits;
147 __s32 net_max_tx_credits;
148 __u32 net_cksum_algo;
149 __u32 net_interface_count;
162 struct lnet_ioctl_comm_count {
165 __u32 ico_reply_count;
167 __u32 ico_hello_count;
170 struct lnet_ioctl_element_stats {
171 __u32 iel_send_count;
172 __u32 iel_recv_count;
173 __u32 iel_drop_count;
176 enum lnet_health_type {
177 LNET_HEALTH_TYPE_LOCAL_NI = 0,
178 LNET_HEALTH_TYPE_PEER_NI,
181 struct lnet_ioctl_local_ni_hstats {
182 struct libcfs_ioctl_hdr hlni_hdr;
184 __u32 hlni_local_interrupt;
185 __u32 hlni_local_dropped;
186 __u32 hlni_local_aborted;
187 __u32 hlni_local_no_route;
188 __u32 hlni_local_timeout;
189 __u32 hlni_local_error;
190 __s32 hlni_health_value;
193 struct lnet_ioctl_peer_ni_hstats {
194 __u32 hlpni_remote_dropped;
195 __u32 hlpni_remote_timeout;
196 __u32 hlpni_remote_error;
197 __u32 hlpni_network_timeout;
198 __s32 hlpni_health_value;
201 struct lnet_ioctl_element_msg_stats {
202 struct libcfs_ioctl_hdr im_hdr;
204 struct lnet_ioctl_comm_count im_send_stats;
205 struct lnet_ioctl_comm_count im_recv_stats;
206 struct lnet_ioctl_comm_count im_drop_stats;
210 * lnet_ioctl_config_ni
211 * This structure describes an NI configuration. There are multiple components
212 * when configuring an NI: Net, Interfaces, CPT list and LND tunables
213 * A network is passed as a string to the DLC and translated using
215 * An interface is the name of the system configured interface
217 * CPT is the list of CPTS LND tunables are passed in the lic_bulk area
219 struct lnet_ioctl_config_ni {
220 struct libcfs_ioctl_hdr lic_cfg_hdr;
222 char lic_ni_intf[LNET_INTERFACES_NUM][LNET_MAX_STR_LEN];
223 char lic_legacy_ip2nets[LNET_MAX_STR_LEN];
224 __u32 lic_cpts[LNET_MAX_SHOW_NUM_CPT];
227 __u32 lic_tcp_bonding;
234 struct lnet_peer_ni_credit_info {
235 char cr_aliveness[LNET_MAX_STR_LEN];
237 __s32 cr_ni_peer_tx_credits;
238 __s32 cr_peer_tx_credits;
239 __s32 cr_peer_min_tx_credits;
240 __u32 cr_peer_tx_qnob;
241 __s32 cr_peer_rtr_credits;
242 __s32 cr_peer_min_rtr_credits;
246 struct lnet_ioctl_peer {
247 struct libcfs_ioctl_hdr pr_hdr;
253 struct lnet_peer_ni_credit_info pr_peer_credits;
257 struct lnet_ioctl_peer_cfg {
258 struct libcfs_ioctl_hdr prcfg_hdr;
259 lnet_nid_t prcfg_prim_nid;
260 lnet_nid_t prcfg_cfg_nid;
265 void __user *prcfg_bulk;
268 struct lnet_ioctl_reset_health_cfg {
269 struct libcfs_ioctl_hdr rh_hdr;
270 enum lnet_health_type rh_type;
276 struct lnet_ioctl_recovery_list {
277 struct libcfs_ioctl_hdr rlst_hdr;
278 enum lnet_health_type rlst_type;
280 lnet_nid_t rlst_nid_array[LNET_MAX_SHOW_NUM_NID];
283 struct lnet_ioctl_set_value {
284 struct libcfs_ioctl_hdr sv_hdr;
288 struct lnet_ioctl_lnet_stats {
289 struct libcfs_ioctl_hdr st_hdr;
290 struct lnet_counters st_cntrs;
293 #endif /* _LNET_DLC_H_ */