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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _CVC_H 28 #define _CVC_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #define cvc_username "ssp" 37 #define CVCD_SERVICE "cvc_hostd" 38 #define CVC_CONN_SERVICE "cvc" 39 #define MAX_CVC_CONN 100 40 #define MAXPKTSZ 4096 41 42 #define TRUE 1 43 #define FALSE 0 44 45 /* 46 * Network Redirection driver ioctl to jump into debugger. 47 */ 48 #define CVC 'N' 49 #define CVC_BREAK (CVC<<8) 50 #define CVC_DISCONNECT ((CVC<<8)|0x1) 51 52 #define CVC_CONN_BREAK 0x1 /* Break to OBP or kmdb */ 53 #define CVC_CONN_DIS 0x2 /* disconnect */ 54 #define CVC_CONN_STAT 0x4 /* status of CVC connects */ 55 #define CVC_CONN_WRITE 0x8 /* ask write permission */ 56 #define CVC_CONN_RELW 0x10 /* release write permission */ 57 #define CVC_CONN_WRLK 0x20 /* Lock the Write */ 58 #define CVC_CONN_PRIVATE 0x40 /* Only one session is allowed */ 59 #define CVC_CONN_SWITCH 0x41 /* Switch communication path */ 60 61 62 #define TCP_DEV "/dev/tcp" 63 #define CVCREDIR_DEV "/devices/pseudo/cvcredir@0:cvcredir" 64 65 /* 66 * Layout of BBSRAM input and output buffers: 67 * 68 * 69 * |---------------| 70 * 0x1f400 | control msg | Receive buffer is reduced by two bytes to 71 * | 1 byte | accomodate a control msg area in which 72 * |---------------| information is sent from obp_helper to the 73 * | send buffer | cvc driver (e.g. break to obp) when 74 * | | communication is over BBSRAM. 75 * | 1020 bytes | 76 * |---------------| 77 * | send count | 78 * 0x1f7fe | 2 bytes | 79 * |---------------| 80 * | receive buffer| 81 * | | 82 * | 1022 bytes | 83 * |---------------| 84 * | output count | 85 * 0x1fbfe | 2 bytes | 86 * |---------------| 87 * 88 */ 89 90 #define BBSRAM_COUNT_SIZE sizeof (short) 91 #define CVC_IN_SIZE 256 92 #define CVC_OUT_SIZE 1024 93 #define MAX_XFER_INPUT (CVC_IN_SIZE - BBSRAM_COUNT_SIZE) 94 #define MAX_XFER_OUTPUT (CVC_OUT_SIZE - BBSRAM_COUNT_SIZE) 95 96 #define BBSRAM_OUTPUT_COUNT_OFF (CVC_OUT_SIZE - BBSRAM_COUNT_SIZE) 97 #define BBSRAM_INPUT_COUNT_OFF (CVC_OUT_SIZE + CVC_IN_SIZE - BBSRAM_COUNT_SIZE) 98 99 /* 100 * Control msgs sent across BBSRAM from obp_helper to cvc driver 101 */ 102 #define CVC_BBSRAM_BREAK 1 103 #define CVC_BBSRAM_DISCONNECT 2 104 #define CVC_BBSRAM_VIA_NET 3 105 #define CVC_BBSRAM_VIA_BBSRAM 4 106 #define CVC_BBSRAM_CLOSE_NET 5 107 108 #ifdef _KERNEL 109 extern void cvc_assign_iocpu(int cpu_id); 110 #endif /* _KERNEL */ 111 112 #ifdef __cplusplus 113 } 114 #endif 115 116 #endif /* _CVC_H */ 117