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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SC_CVCIO_H
#define _SYS_SC_CVCIO_H
#include <sys/sysmacros.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Layout of console IOSRAM chunks
* |---------------|
* CONC | cvc_ctl_t |
* | 128 bytes |
* |---------------|
*
* |---------------|
* CONI | input count |
* | 2 bytes |
* |---------------|
* | receive buffer|
* | 1022 bytes |
* |---------------|
*
* |---------------|
* CONO | output count |
* | 2 bytes |
* |---------------|
* | send buffer |
* | 1022 bytes |
* |---------------|
*/
#define IOSRAM_KEY_CONC 0x434F4E43
#define IOSRAM_KEY_CONI 0x434F4E49
#define IOSRAM_KEY_CONO 0x434F4E4F
#define CONSBUF_IN_SIZE 1024
#define CONSBUF_OUT_SIZE 1024
#define CONSBUF_COUNT_SIZE (sizeof (short))
#define MAX_XFER_CINPUT (CONSBUF_IN_SIZE - CONSBUF_COUNT_SIZE)
#define MAX_XFER_COUTPUT (CONSBUF_OUT_SIZE - CONSBUF_COUNT_SIZE)
#define COUNT_OFFSET 0
#define DATA_OFFSET (CONSBUF_COUNT_SIZE)
#define cvc_username "sms"
#define CVCD_SERVICE "cvc_hostd"
#define MAX_CONS_CONN 100
#define MAXPKTSZ 4096
#define TCP_DEV "/dev/tcp"
#define CVCREDIR_DEV "/devices/pseudo/cvcredir@0:cvcredir"
/*
* ioctl commands passed to cvcredir (and possibly on to cvc from there) by cvcd
*/
#define CVC 'N'
#define CVC_BREAK ((CVC<<8) | 0x00)
#define CVC_DISCONNECT ((CVC<<8) | 0x01)
/*
* DXS (the SC-side console traffic application) may send a few of these codes
* to cvcd as expedited TLI traffic. The rest are not used in domain-side
* software, but SC-side software may use them.
*/
#define CVC_CONN_BREAK 0x1 /* Break to OBP or kmdb */
#define CVC_CONN_DIS 0x2 /* disconnect */
#define CVC_CONN_STAT 0x4 /* status of CVC connects */
#define CVC_CONN_WRITE 0x8 /* ask write permission */
#define CVC_CONN_RELW 0x10 /* release write permission */
#define CVC_CONN_WRLK 0x20 /* Lock the Write */
#define CVC_CONN_PRIVATE 0x40 /* Only one session is allowed */
#define CVC_CONN_SWITCH 0x41 /* Switch communication path */
/*
* This structure represents the layout of control data in the CONC chunk.
* It should NOT grow beyond 128 bytes, as that is the max size that was
* identified for the CONC chunk.
*/
typedef struct cvc_ctl {
uint8_t command; /* CVC_IOSRAM_BREAK, etc */
uint8_t version; /* currently unused */
uint8_t unused1[2]; /* currently unused */
uint16_t winsize_rows;
uint16_t winsize_cols;
uint16_t winsize_xpixels;
uint16_t winsize_ypixels;
uint8_t unused2[116]; /* currently unused */
} cvc_ctl_t;
/*
* These macros can be used to determine the offset or size of any field in the
* CONC chunk.
*/
#define CVC_CTL_OFFSET(field) offsetof(cvc_ctl_t, field)
#define CVC_CTL_SIZE(field) (sizeof (((cvc_ctl_t *)0)->field))
/*
* Commands sent across IOSRAM from domain_server to cvc driver
*/
#define CVC_IOSRAM_BREAK 1
#define CVC_IOSRAM_DISCONNECT 2
#define CVC_IOSRAM_VIA_NET 3
#define CVC_IOSRAM_VIA_IOSRAM 4
#define CVC_IOSRAM_WIN_RESIZE 5
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SC_CVCIO_H */
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