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 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_SC_CVCIO_H 28 #define _SYS_SC_CVCIO_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Layout of console IOSRAM chunks 38 * |---------------| 39 * CONC | cvc_ctl_t | 40 * | 128 bytes | 41 * |---------------| 42 * 43 * |---------------| 44 * CONI | input count | 45 * | 2 bytes | 46 * |---------------| 47 * | receive buffer| 48 * | 1022 bytes | 49 * |---------------| 50 * 51 * |---------------| 52 * CONO | output count | 53 * | 2 bytes | 54 * |---------------| 55 * | send buffer | 56 * | 1022 bytes | 57 * |---------------| 58 */ 59 60 #define IOSRAM_KEY_CONC 0x434F4E43 61 #define IOSRAM_KEY_CONI 0x434F4E49 62 #define IOSRAM_KEY_CONO 0x434F4E4F 63 64 #define CONSBUF_IN_SIZE 1024 65 #define CONSBUF_OUT_SIZE 1024 66 #define CONSBUF_COUNT_SIZE (sizeof (short)) 67 68 #define MAX_XFER_CINPUT (CONSBUF_IN_SIZE - CONSBUF_COUNT_SIZE) 69 #define MAX_XFER_COUTPUT (CONSBUF_OUT_SIZE - CONSBUF_COUNT_SIZE) 70 #define COUNT_OFFSET 0 71 #define DATA_OFFSET (CONSBUF_COUNT_SIZE) 72 73 #define cvc_username "sms" 74 #define CVCD_SERVICE "cvc_hostd" 75 #define MAX_CONS_CONN 100 76 #define MAXPKTSZ 4096 77 78 #define TCP_DEV "/dev/tcp" 79 #define CVCREDIR_DEV "/devices/pseudo/cvcredir@0:cvcredir" 80 81 82 /* 83 * ioctl commands passed to cvcredir (and possibly on to cvc from there) by cvcd 84 */ 85 #define CVC 'N' 86 #define CVC_BREAK ((CVC<<8) | 0x00) 87 #define CVC_DISCONNECT ((CVC<<8) | 0x01) 88 89 /* 90 * DXS (the SC-side console traffic application) may send a few of these codes 91 * to cvcd as expedited TLI traffic. The rest are not used in domain-side 92 * software, but SC-side software may use them. 93 */ 94 #define CVC_CONN_BREAK 0x1 /* Break to OBP or kmdb */ 95 #define CVC_CONN_DIS 0x2 /* disconnect */ 96 #define CVC_CONN_STAT 0x4 /* status of CVC connects */ 97 #define CVC_CONN_WRITE 0x8 /* ask write permission */ 98 #define CVC_CONN_RELW 0x10 /* release write permission */ 99 #define CVC_CONN_WRLK 0x20 /* Lock the Write */ 100 #define CVC_CONN_PRIVATE 0x40 /* Only one session is allowed */ 101 #define CVC_CONN_SWITCH 0x41 /* Switch communication path */ 102 103 /* 104 * This structure represents the layout of control data in the CONC chunk. 105 * It should NOT grow beyond 128 bytes, as that is the max size that was 106 * identified for the CONC chunk. 107 */ 108 typedef struct cvc_ctl { 109 uint8_t command; /* CVC_IOSRAM_BREAK, etc */ 110 uint8_t version; /* currently unused */ 111 uint8_t unused1[2]; /* currently unused */ 112 uint16_t winsize_rows; 113 uint16_t winsize_cols; 114 uint16_t winsize_xpixels; 115 uint16_t winsize_ypixels; 116 uint8_t unused2[116]; /* currently unused */ 117 } cvc_ctl_t; 118 119 /* 120 * These macros can be used to determine the offset or size of any field in the 121 * CONC chunk. 122 */ 123 #define CVC_CTL_OFFSET(field) ((uint32_t)&(((cvc_ctl_t *)0)->field)) 124 #define CVC_CTL_SIZE(field) (sizeof (((cvc_ctl_t *)0)->field)) 125 126 /* 127 * Commands sent across IOSRAM from domain_server to cvc driver 128 */ 129 #define CVC_IOSRAM_BREAK 1 130 #define CVC_IOSRAM_DISCONNECT 2 131 #define CVC_IOSRAM_VIA_NET 3 132 #define CVC_IOSRAM_VIA_IOSRAM 4 133 #define CVC_IOSRAM_WIN_RESIZE 5 134 135 #ifdef __cplusplus 136 } 137 #endif 138 139 #endif /* _SYS_SC_CVCIO_H */ 140