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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* FMA ETM-to-ETM Protocol header
*
* const/type defns for protocol used between two event transport
* modules (ETMs)
*/
#ifndef _ETM_PROTO_H
#define _ETM_PROTO_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#define ETM_DELIM "\177ETM" /* Start of header delimiter */
#define ETM_DELIMLEN 4 /* Length of header deimiter */
typedef struct etm_proto_header {
char hdr_delim[ETM_DELIMLEN]; /* Start of header delimiter */
uint8_t hdr_ver; /* ETM protocol version */
uint8_t hdr_type; /* Header type */
uint8_t hdr_pad1; /* reserved/padding/alignment */
uint8_t hdr_pad2; /* reserved/padding/alignment */
uint32_t hdr_msglen; /* Length of following message */
} etm_proto_hdr_t;
typedef enum etm_proto_header_type {
ETM_HDR_TYPE_TOO_LOW = 0, /* Range check place holder */
ETM_HDR_MSG, /* FMA event to follow */
ETM_HDR_S_RESTART, /* Server re-start indication */
ETM_HDR_C_HELLO, /* Client startup indication */
ETM_HDR_S_HELLO, /* Server response to C_HELLO */
ETM_HDR_ACK, /* Acknowledgement */
ETM_HDR_NAK, /* Negative acknowledgement */
ETM_HDR_SHUTDOWN, /* Notify remote ETM of shutdown */
ETM_HDR_TYPE_TOO_HIGH /* Range check place holder */
} etm_proto_hdr_type_t;
#define ETM_HDRLEN sizeof (etm_proto_hdr_t)
#define ETM_PROTO_V1 1
#ifdef __cplusplus
}
#endif
#endif /* _ETM_PROTO_H */
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