1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * FMA ETM-to-ETM Protocol header 29 * 30 * const/type defns for protocol used between two event transport 31 * modules (ETMs) 32 */ 33 34 #ifndef _ETM_PROTO_H 35 #define _ETM_PROTO_H 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #include <sys/types.h> 42 43 #define ETM_DELIM "\177ETM" /* Start of header delimiter */ 44 #define ETM_DELIMLEN 4 /* Length of header deimiter */ 45 46 typedef struct etm_proto_header { 47 char hdr_delim[ETM_DELIMLEN]; /* Start of header delimiter */ 48 uint8_t hdr_ver; /* ETM protocol version */ 49 uint8_t hdr_type; /* Header type */ 50 uint8_t hdr_pad1; /* reserved/padding/alignment */ 51 uint8_t hdr_pad2; /* reserved/padding/alignment */ 52 uint32_t hdr_msglen; /* Length of following message */ 53 } etm_proto_hdr_t; 54 55 typedef enum etm_proto_header_type { 56 ETM_HDR_TYPE_TOO_LOW = 0, /* Range check place holder */ 57 ETM_HDR_MSG, /* FMA event to follow */ 58 ETM_HDR_S_RESTART, /* Server re-start indication */ 59 ETM_HDR_C_HELLO, /* Client startup indication */ 60 ETM_HDR_S_HELLO, /* Server response to C_HELLO */ 61 ETM_HDR_ACK, /* Acknowledgement */ 62 ETM_HDR_NAK, /* Negative acknowledgement */ 63 ETM_HDR_SHUTDOWN, /* Notify remote ETM of shutdown */ 64 ETM_HDR_TYPE_TOO_HIGH /* Range check place holder */ 65 } etm_proto_hdr_type_t; 66 67 #define ETM_HDRLEN sizeof (etm_proto_hdr_t) 68 #define ETM_PROTO_V1 1 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif /* _ETM_PROTO_H */ 75