+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * 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.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 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/ptllnd_wire.h
- *
- * Author: PJ Kirner <pjkirner@clusterfs.com>
- */
-
-/* Minimum buffer size that any peer will post to receive ptllnd messages */
-#define PTLLND_MIN_BUFFER_SIZE 256
-
-/************************************************************************
- * Tunable defaults that {u,k}lnds/ptllnd should have in common.
- */
-
-#define PTLLND_PORTAL 9 /* The same portal PTLPRC used when talking to cray portals */
-#define PTLLND_PID 9 /* The Portals PID */
-#define PTLLND_PEERCREDITS 8 /* concurrent sends to 1 peer */
-
-/* Default buffer size for kernel ptllnds (guaranteed eager) */
-#define PTLLND_MAX_KLND_MSG_SIZE 512
-
-/* Default buffer size for catamount ptllnds (not guaranteed eager) - large
- * enough to avoid RDMA for anything sent while control is not in liblustre */
-#define PTLLND_MAX_ULND_MSG_SIZE 512
-
-/************************************************************************
- * Portals LND Wire message format.
- * These are sent in sender's byte order (i.e. receiver flips).
- */
-
-#define PTL_RESERVED_MATCHBITS 0x100 /* below this value is reserved
- * above is for bulk data transfer */
-#define LNET_MSG_MATCHBITS 0 /* the value for the message channel */
-
-typedef struct {
- lnet_hdr_t kptlim_hdr; /* portals header */
- char kptlim_payload[0]; /* piggy-backed payload */
-} WIRE_ATTR kptl_immediate_msg_t;
-
-typedef struct {
- lnet_hdr_t kptlrm_hdr; /* portals header */
- __u64 kptlrm_matchbits; /* matchbits */
-} WIRE_ATTR kptl_rdma_msg_t;
-
-typedef struct {
- __u64 kptlhm_matchbits; /* matchbits */
- __u32 kptlhm_max_msg_size; /* max message size */
-} WIRE_ATTR kptl_hello_msg_t;
-
-typedef struct {
- /* First 2 fields fixed FOR ALL TIME */
- __u32 ptlm_magic; /* I'm a Portals LND message */
- __u16 ptlm_version; /* this is my version number */
- __u8 ptlm_type; /* the message type */
- __u8 ptlm_credits; /* returned credits */
- __u32 ptlm_nob; /* # bytes in whole message */
- __u32 ptlm_cksum; /* checksum (0 == no checksum) */
- __u64 ptlm_srcnid; /* sender's NID */
- __u64 ptlm_srcstamp; /* sender's incarnation */
- __u64 ptlm_dstnid; /* destination's NID */
- __u64 ptlm_dststamp; /* destination's incarnation */
- __u32 ptlm_srcpid; /* sender's PID */
- __u32 ptlm_dstpid; /* destination's PID */
-
- union {
- kptl_immediate_msg_t immediate;
- kptl_rdma_msg_t rdma;
- kptl_hello_msg_t hello;
- } WIRE_ATTR ptlm_u;
-
-} kptl_msg_t;
-
-/* kptl_msg_t::ptlm_credits is only a __u8 */
-#define PTLLND_MSG_MAX_CREDITS ((typeof(((kptl_msg_t *)0)->ptlm_credits)) - 1)
-
-#define PTLLND_MSG_MAGIC LNET_PROTO_PTL_MAGIC
-#define PTLLND_MSG_VERSION 0x04
-
-#define PTLLND_RDMA_OK 0x00
-#define PTLLND_RDMA_FAIL 0x01
-
-#define PTLLND_MSG_TYPE_INVALID 0x00
-#define PTLLND_MSG_TYPE_PUT 0x01
-#define PTLLND_MSG_TYPE_GET 0x02
-#define PTLLND_MSG_TYPE_IMMEDIATE 0x03 /* No bulk data xfer*/
-#define PTLLND_MSG_TYPE_NOOP 0x04
-#define PTLLND_MSG_TYPE_HELLO 0x05
-#define PTLLND_MSG_TYPE_NAK 0x06
Code Review / kvmfornfv.git / blobdiff