LXR linux/drivers/staging/lustre/include/linux/lnet/lib-dlc.h

   1/*
   2 * LGPL HEADER START
   3 *
   4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5 *
   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.
  10 *
  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.
  15 *
  16 * You should have received a copy of the GNU Lesser General Public
  17 * License along with this library.
  18 *
  19 * LGPL HEADER END
  20 *
  21 */
  22/*
  23 * Copyright (c) 2014, Intel Corporation.
  24 */
  25/*
  26 * Author: Amir Shehata <amir.shehata@intel.com>
  27 */
  28
  29#ifndef LNET_DLC_H
  30#define LNET_DLC_H
  31
  32#include "../libcfs/libcfs_ioctl.h"
  33#include "types.h"
  34
  35#define MAX_NUM_SHOW_ENTRIES    32
  36#define LNET_MAX_STR_LEN        128
  37#define LNET_MAX_SHOW_NUM_CPT   128
  38#define LNET_UNDEFINED_HOPS     ((__u32)(-1))
  39
  40struct lnet_ioctl_config_lnd_cmn_tunables {
  41        __u32 lct_version;
  42        __u32 lct_peer_timeout;
  43        __u32 lct_peer_tx_credits;
  44        __u32 lct_peer_rtr_credits;
  45        __u32 lct_max_tx_credits;
  46};
  47
  48struct lnet_ioctl_config_o2iblnd_tunables {
  49        __u32 lnd_version;
  50        __u32 lnd_peercredits_hiw;
  51        __u32 lnd_map_on_demand;
  52        __u32 lnd_concurrent_sends;
  53        __u32 lnd_fmr_pool_size;
  54        __u32 lnd_fmr_flush_trigger;
  55        __u32 lnd_fmr_cache;
  56        __u32 pad;
  57};
  58
  59struct lnet_ioctl_config_lnd_tunables {
  60        struct lnet_ioctl_config_lnd_cmn_tunables lt_cmn;
  61        union {
  62                struct lnet_ioctl_config_o2iblnd_tunables lt_o2ib;
  63        } lt_tun_u;
  64};
  65
  66struct lnet_ioctl_net_config {
  67        char ni_interfaces[LNET_MAX_INTERFACES][LNET_MAX_STR_LEN];
  68        __u32 ni_status;
  69        __u32 ni_cpts[LNET_MAX_SHOW_NUM_CPT];
  70        char cfg_bulk[0];
  71};
  72
  73#define LNET_TINY_BUF_IDX       0
  74#define LNET_SMALL_BUF_IDX      1
  75#define LNET_LARGE_BUF_IDX      2
  76
  77/* # different router buffer pools */
  78#define LNET_NRBPOOLS           (LNET_LARGE_BUF_IDX + 1)
  79
  80struct lnet_ioctl_pool_cfg {
  81        struct {
  82                __u32 pl_npages;
  83                __u32 pl_nbuffers;
  84                __u32 pl_credits;
  85                __u32 pl_mincredits;
  86        } pl_pools[LNET_NRBPOOLS];
  87        __u32 pl_routing;
  88};
  89
  90struct lnet_ioctl_config_data {
  91        struct libcfs_ioctl_hdr cfg_hdr;
  92
  93        __u32 cfg_net;
  94        __u32 cfg_count;
  95        __u64 cfg_nid;
  96        __u32 cfg_ncpts;
  97
  98        union {
  99                struct {
 100                        __u32 rtr_hop;
 101                        __u32 rtr_priority;
 102                        __u32 rtr_flags;
 103                } cfg_route;
 104                struct {
 105                        char net_intf[LNET_MAX_STR_LEN];
 106                        __s32 net_peer_timeout;
 107                        __s32 net_peer_tx_credits;
 108                        __s32 net_peer_rtr_credits;
 109                        __s32 net_max_tx_credits;
 110                        __u32 net_cksum_algo;
 111                        __u32 net_interface_count;
 112                } cfg_net;
 113                struct {
 114                        __u32 buf_enable;
 115                        __s32 buf_tiny;
 116                        __s32 buf_small;
 117                        __s32 buf_large;
 118                } cfg_buffers;
 119        } cfg_config_u;
 120
 121        char cfg_bulk[0];
 122};
 123
 124struct lnet_ioctl_peer {
 125        struct libcfs_ioctl_hdr pr_hdr;
 126        __u32 pr_count;
 127        __u32 pr_pad;
 128        __u64 pr_nid;
 129
 130        union {
 131                struct {
 132                        char cr_aliveness[LNET_MAX_STR_LEN];
 133                        __u32 cr_refcount;
 134                        __u32 cr_ni_peer_tx_credits;
 135                        __u32 cr_peer_tx_credits;
 136                        __u32 cr_peer_rtr_credits;
 137                        __u32 cr_peer_min_rtr_credits;
 138                        __u32 cr_peer_tx_qnob;
 139                        __u32 cr_ncpt;
 140                } pr_peer_credits;
 141        } pr_lnd_u;
 142};
 143
 144struct lnet_ioctl_lnet_stats {
 145        struct libcfs_ioctl_hdr st_hdr;
 146        struct lnet_counters st_cntrs;
 147};
 148
 149#endif /* LNET_DLC_H */
 150