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 _TRACKIO_H
28#define	_TRACKIO_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36#include <sys/types.h>
37#include "bstream.h"
38#include "misc_scsi.h"
39
40struct trackio_error {
41	int	err_type;
42/* File I/O errors */
43	int	te_errno;
44/* Transport Errors */
45	uchar_t	status, key, asc, ascq;
46};
47
48/*
49 * trackio error types
50 */
51#define	TRACKIO_ERR_SYSTEM	1
52#define	TRACKIO_ERR_TRANSPORT	2
53#define	TRACKIO_ERR_USER_ABORT	3
54
55/*
56 * iob state
57 */
58#define	IOBS_UNDER_FILE_IO	1
59#define	IOBS_UNDER_DEVICE_IO	2
60#define	IOBS_READY		3
61#define	IOBS_EMPTY		4
62
63struct iobuf {
64	uchar_t *iob_buf;
65	uint32_t iob_total_size; /* total size of the buf */
66	uint32_t iob_data_size;	 /* size of the data in buf */
67	uint32_t iob_start_blk;	 /* starting block address on the device */
68	uint16_t iob_nblks;	 /* number of data blocks in this buf */
69	int iob_state;		 /* state of buf */
70};
71
72/* Use small buffers. Some drives do not behave well with large buffers */
73#define	NIOBS			8
74#define	NBLKS_PER_BUF		24	/* < 64K in all cases */
75#define	DATA_TRACK_BLKSIZE	2048
76#define	AUDIO_TRACK_BLKSIZE	2352
77
78int write_track(cd_device *dev, struct track_info *ti, bstreamhandle h,
79		int (*cb)(int64_t, int64_t), int64_t arg, struct
80		trackio_error *te);
81
82#ifdef	__cplusplus
83}
84#endif
85
86#endif /* _TRACKIO_H */
87