X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lnet%2Finclude%2Flnet%2Fsocklnd.h;h=e2c19f2a4ed354413ed78956e7232f7cf7f6dd4a;hb=1d94a29dbc018fd00aa1c8a7a7ae343e0c9a4b83;hp=fbeea157970b5328602c221889d29f6013ff6fb9;hpb=19205dfea419bac6f3bc58ed1b579b8caf79b895;p=fs%2Flustre-release.git diff --git a/lnet/include/lnet/socklnd.h b/lnet/include/lnet/socklnd.h index fbeea15..e2c19f2 100644 --- a/lnet/include/lnet/socklnd.h +++ b/lnet/include/lnet/socklnd.h @@ -1,57 +1,80 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * #defines shared between socknal implementation and utilities + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. + * + * This program 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 + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.gnu.org/licenses/gpl-2.0.html + * + * GPL HEADER END + */ +/* + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + * + * lnet/include/lnet/socklnd.h */ #ifndef __LNET_LNET_SOCKLND_H__ #define __LNET_LNET_SOCKLND_H__ -#include -#include - -#define SOCKLND_CONN_NONE (-1) -#define SOCKLND_CONN_ANY 0 -#define SOCKLND_CONN_CONTROL 1 -#define SOCKLND_CONN_BULK_IN 2 -#define SOCKLND_CONN_BULK_OUT 3 -#define SOCKLND_CONN_NTYPES 4 - -typedef struct { - __u32 kshm_magic; /* magic number of socklnd message */ - __u32 kshm_version; /* version of socklnd message */ - lnet_nid_t kshm_src_nid; /* sender's nid */ - lnet_nid_t kshm_dst_nid; /* destination nid */ - lnet_pid_t kshm_src_pid; /* sender's pid */ - lnet_pid_t kshm_dst_pid; /* destination pid */ - __u64 kshm_src_incarnation; /* sender's incarnation */ - __u64 kshm_dst_incarnation; /* destination's incarnation */ - __u32 kshm_ctype; /* connection type */ - __u32 kshm_nips; /* # IP addrs */ - __u32 kshm_ips[0]; /* IP addrs */ -} WIRE_ATTR ksock_hello_msg_t; - -typedef struct { - lnet_hdr_t ksnm_hdr; /* lnet hdr */ - char ksnm_payload[0];/* lnet payload */ -} WIRE_ATTR ksock_lnet_msg_t; - -typedef struct { - __u32 ksm_type; /* type of socklnd message */ - __u32 ksm_csum; /* checksum if != 0 */ - __u64 ksm_zc_req_cookie; /* ack required if != 0 */ - __u64 ksm_zc_ack_cookie; /* ack if != 0 */ - union { - ksock_lnet_msg_t lnetmsg; /* lnet message, it's empty if it's NOOP */ - } WIRE_ATTR ksm_u; -} WIRE_ATTR ksock_msg_t; - -#define KSOCK_MSG_NOOP 0xc0 /* ksm_u empty */ -#define KSOCK_MSG_LNET 0xc1 /* lnet msg */ +#include +#include + +struct ksock_hello_msg { + __u32 kshm_magic; /* magic number of socklnd message */ + __u32 kshm_version; /* version of socklnd message */ + lnet_nid_t kshm_src_nid; /* sender's nid */ + lnet_nid_t kshm_dst_nid; /* destination nid */ + lnet_pid_t kshm_src_pid; /* sender's pid */ + lnet_pid_t kshm_dst_pid; /* destination pid */ + __u64 kshm_src_incarnation; /* sender's incarnation */ + __u64 kshm_dst_incarnation; /* destination's incarnation */ + __u32 kshm_ctype; /* connection type */ + __u32 kshm_nips; /* # IP addrs */ + __u32 kshm_ips[0]; /* IP addrs */ +} WIRE_ATTR; + +struct ksock_lnet_msg { + struct lnet_hdr ksnm_hdr; /* lnet hdr */ + + /* + * ksnm_payload is removed because of winnt compiler's limitation: + * zero-sized array can only be placed at the tail of [nested] + * structure definitions. lnet payload will be stored just after + * the body of structure struct ksock_lnet_msg + */ +} WIRE_ATTR; + +struct ksock_msg { + __u32 ksm_type; /* type of socklnd message */ + __u32 ksm_csum; /* checksum if != 0 */ + __u64 ksm_zc_cookies[2]; /* Zero-Copy request/ACK cookie */ + union { + struct ksock_lnet_msg lnetmsg; /* lnet message, it's empty if it's NOOP */ + } WIRE_ATTR ksm_u; +} WIRE_ATTR; + +#define KSOCK_MSG_NOOP 0xc0 /* ksm_u empty */ +#define KSOCK_MSG_LNET 0xc1 /* lnet msg */ /* We need to know this number to parse hello msg from ksocklnd in - * other LND (usocklnd, for example) */ -#define KSOCK_PROTO_V2 2 + * other LND (usocklnd, for example) */ +#define KSOCK_PROTO_V2 2 +#define KSOCK_PROTO_V3 3 #endif