usr/src/cmd/cdrw/trackio.h

   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
  33 extern "C" {
  34 #endif
  35
  36 #include <sys/types.h>
  37 #include "bstream.h"
  38 #include "misc_scsi.h"
  39
  40 struct 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
  63 struct 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
  78 int 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 */