/* * LGPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. * * LGPL HEADER END * */ /* * Copyright (c) 2014, 2017, Intel Corporation. */ /* * Author: Amir Shehata */ #ifndef __UAPI_LNET_DLC_H_ #define __UAPI_LNET_DLC_H_ #include /* * This is due to us being out of kernel and the way the OpenSFS branch * handles CFLAGS. */ #ifdef __KERNEL__ # include # include #else # include # include #endif #define MAX_NUM_SHOW_ENTRIES 32 #define LNET_MAX_STR_LEN 128 #define LNET_MAX_SHOW_NUM_CPT 128 #define LNET_MAX_SHOW_NUM_NID 128 #define LNET_UNDEFINED_HOPS ((__u32) -1) /* * To allow for future enhancements to extend the tunables * add a hdr to this structure, so that the version can be set * and checked for backwards compatibility. Newer versions of LNet * can still work with older versions of lnetctl. The restriction is * that the structure can be added to and not removed from in order * to not invalidate older lnetctl utilities. Moreover, the order of * fields must remain the same, and new fields appended to the structure * * That said all existing LND tunables will be added in this structure * to avoid future changes. */ struct lnet_ioctl_config_lnd_cmn_tunables { __u32 lct_version; __s32 lct_peer_timeout; __s32 lct_peer_tx_credits; __s32 lct_peer_rtr_credits; __s32 lct_max_tx_credits; }; struct lnet_ioctl_config_o2iblnd_tunables { __u32 lnd_version; __u32 lnd_peercredits_hiw; __u32 lnd_map_on_demand; __u32 lnd_concurrent_sends; __u32 lnd_fmr_pool_size; __u32 lnd_fmr_flush_trigger; __u32 lnd_fmr_cache; __u16 lnd_conns_per_peer; __u16 lnd_ntx; }; struct lnet_lnd_tunables { union { struct lnet_ioctl_config_o2iblnd_tunables lnd_o2ib; } lnd_tun_u; }; struct lnet_ioctl_config_lnd_tunables { struct lnet_ioctl_config_lnd_cmn_tunables lt_cmn; struct lnet_lnd_tunables lt_tun; }; struct lnet_ioctl_net_config { char ni_interfaces[LNET_INTERFACES_NUM][LNET_MAX_STR_LEN]; __u32 ni_status; __u32 ni_cpts[LNET_MAX_SHOW_NUM_CPT]; char cfg_bulk[0]; }; #define LNET_TINY_BUF_IDX 0 #define LNET_SMALL_BUF_IDX 1 #define LNET_LARGE_BUF_IDX 2 /* # different router buffer pools */ #define LNET_NRBPOOLS (LNET_LARGE_BUF_IDX + 1) struct lnet_ioctl_pool_cfg { struct { __u32 pl_npages; __u32 pl_nbuffers; __u32 pl_credits; __u32 pl_mincredits; } pl_pools[LNET_NRBPOOLS]; __u32 pl_routing; }; struct lnet_ioctl_ping_data { struct libcfs_ioctl_hdr ping_hdr; __u32 op_param; __u32 ping_count; __u32 ping_flags; bool mr_info; struct lnet_process_id ping_id; struct lnet_process_id __user *ping_buf; }; struct lnet_ioctl_config_data { struct libcfs_ioctl_hdr cfg_hdr; __u32 cfg_net; __u32 cfg_count; __u64 cfg_nid; __u32 cfg_ncpts; union { struct { __u32 rtr_hop; __u32 rtr_priority; __u32 rtr_flags; __u32 rtr_sensitivity; } cfg_route; struct { char net_intf[LNET_MAX_STR_LEN]; __s32 net_peer_timeout; __s32 net_peer_tx_credits; __s32 net_peer_rtr_credits; __s32 net_max_tx_credits; __u32 net_cksum_algo; __u32 net_interface_count; } cfg_net; struct { __u32 buf_enable; __s32 buf_tiny; __s32 buf_small; __s32 buf_large; } cfg_buffers; } cfg_config_u; char cfg_bulk[0]; }; struct lnet_ioctl_comm_count { __u32 ico_get_count; __u32 ico_put_count; __u32 ico_reply_count; __u32 ico_ack_count; __u32 ico_hello_count; }; struct lnet_ioctl_element_stats { __u32 iel_send_count; __u32 iel_recv_count; __u32 iel_drop_count; }; enum lnet_health_type { LNET_HEALTH_TYPE_LOCAL_NI = 0, LNET_HEALTH_TYPE_PEER_NI, }; struct lnet_ioctl_local_ni_hstats { struct libcfs_ioctl_hdr hlni_hdr; lnet_nid_t hlni_nid; __u32 hlni_local_interrupt; __u32 hlni_local_dropped; __u32 hlni_local_aborted; __u32 hlni_local_no_route; __u32 hlni_local_timeout; __u32 hlni_local_error; __s32 hlni_health_value; }; struct lnet_ioctl_peer_ni_hstats { __u32 hlpni_remote_dropped; __u32 hlpni_remote_timeout; __u32 hlpni_remote_error; __u32 hlpni_network_timeout; __s32 hlpni_health_value; }; struct lnet_ioctl_element_msg_stats { struct libcfs_ioctl_hdr im_hdr; __u32 im_idx; struct lnet_ioctl_comm_count im_send_stats; struct lnet_ioctl_comm_count im_recv_stats; struct lnet_ioctl_comm_count im_drop_stats; }; /* * lnet_ioctl_config_ni * This structure describes an NI configuration. There are multiple components * when configuring an NI: Net, Interfaces, CPT list and LND tunables * A network is passed as a string to the DLC and translated using * libcfs_str2net() * An interface is the name of the system configured interface * (ex eth0, ib1) * CPT is the list of CPTS LND tunables are passed in the lic_bulk area */ struct lnet_ioctl_config_ni { struct libcfs_ioctl_hdr lic_cfg_hdr; lnet_nid_t lic_nid; char lic_ni_intf[LNET_INTERFACES_NUM][LNET_MAX_STR_LEN]; char lic_legacy_ip2nets[LNET_MAX_STR_LEN]; __u32 lic_cpts[LNET_MAX_SHOW_NUM_CPT]; __u32 lic_ncpts; __u32 lic_status; __u32 lic_tcp_bonding; __u32 lic_idx; __s32 lic_dev_cpt; char pad[4]; char lic_bulk[0]; }; struct lnet_peer_ni_credit_info { char cr_aliveness[LNET_MAX_STR_LEN]; __u32 cr_refcount; __s32 cr_ni_peer_tx_credits; __s32 cr_peer_tx_credits; __s32 cr_peer_min_tx_credits; __u32 cr_peer_tx_qnob; __s32 cr_peer_rtr_credits; __s32 cr_peer_min_rtr_credits; __u32 cr_ncpt; }; struct lnet_ioctl_peer { struct libcfs_ioctl_hdr pr_hdr; __u32 pr_count; __u32 pr_pad; lnet_nid_t pr_nid; union { struct lnet_peer_ni_credit_info pr_peer_credits; } pr_lnd_u; }; struct lnet_ioctl_peer_cfg { struct libcfs_ioctl_hdr prcfg_hdr; lnet_nid_t prcfg_prim_nid; lnet_nid_t prcfg_cfg_nid; __u32 prcfg_count; bool prcfg_mr; __u32 prcfg_state; __u32 prcfg_size; void __user *prcfg_bulk; }; struct lnet_ioctl_reset_health_cfg { struct libcfs_ioctl_hdr rh_hdr; enum lnet_health_type rh_type; bool rh_all; int rh_value; lnet_nid_t rh_nid; }; struct lnet_ioctl_recovery_list { struct libcfs_ioctl_hdr rlst_hdr; enum lnet_health_type rlst_type; int rlst_num_nids; lnet_nid_t rlst_nid_array[LNET_MAX_SHOW_NUM_NID]; }; struct lnet_ioctl_set_value { struct libcfs_ioctl_hdr sv_hdr; __u32 sv_value; }; struct lnet_ioctl_lnet_stats { struct libcfs_ioctl_hdr st_hdr; struct lnet_counters st_cntrs; }; #endif /* _LNET_DLC_H_ */