usr/src/cmd/cdrw/misc_scsi.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _MISC_SCSI_H
  27 #define _MISC_SCSI_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #ifdef  __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 #include "device.h"
  36
  37 struct track_info {
  38         uint32_t ti_flags;              /* flags, see below */
  39         int ti_track_no;                /* Track number */
  40         int ti_session_no;              /* session no. 0 if cannot find that */
  41         uchar_t ti_track_mode;          /* track ctrl nibble, see READ TOC */
  42         uchar_t ti_data_mode;           /* Mode 0,1,2 or FF */
  43         uint32_t ti_start_address;      /* Start LBA */
  44         uint32_t ti_track_size;         /* Size in blocks */
  45         uint32_t ti_packet_size;        /* If a packet written track */
  46         uint32_t ti_free_blocks;        /* For an incomplete track */
  47         uint32_t ti_lra;                /* LBA of Last written user datablock */
  48         uint32_t ti_nwa;                /* Next writable address */
  49 };
  50
  51 /*
  52  * track_info_flags
  53  */
  54 #define TI_FIXED_PACKET         1
  55 #define TI_PACKET_MODE          2
  56 #define TI_BLANK_TRACK          4
  57 #define TI_RESERVED_TRACK       8
  58 #define TI_COPY                 0x10
  59 #define TI_DAMAGED_TRACK        0x20
  60 #define TI_NWA_VALID            0x100
  61 #define TI_LRA_VALID            0x200
  62 #define TI_SESSION_NO_VALID     0x1000
  63 #define TI_FREE_BLOCKS_VALID    0x2000
  64
  65 /*
  66  * Track mode nibble
  67  */
  68 #define TRACK_MODE_DATA         0x06
  69 #define TRACK_MODE_AUDIO        0x02
  70
  71 /* 74 minutes, each second is 75 blocks */
  72 #define MAX_CD_BLKS             (74*60*75)
  73 #define MAX_DVD_BLKS            2295100
  74
  75 /*
  76  * Macros to translate between a bandwidth ("RATE") and a Speed ("X")
  77  * for CDs.  Eg, "1X == 176,400 bytes/second".
  78  *
  79  * Some devices just multiply speed by 176. But more accurate ones
  80  * multiply speed by 176.4.
  81  */
  82 #define CD_RATE_TO_X(r) ((r) % 176 ? ((uint_t)(((double)(r)*10)/1764 + 0.5)) :\
  83                 (r) / 176)
  84 #define CD_X_TO_RATE(s) ((((s)*1764)+5)/10)
  85
  86 /*
  87  * Macros to translate between a bandwidth ("RATE") and a Speed ("X")
  88  * for DVDs. Eg, "1X == 1,385,000 bytes/second".
  89  */
  90 #define DVD_RATE_TO_X(r)        (((ulong_t)(r)*1000)/1385000)
  91 #define DVD_X_TO_RATE(s)        (((s)*1385000)/1000)
  92
  93
  94 #define FINALIZE_TIMEOUT                (6 * 12)        /* Six minutes */
  95
  96 uint32_t read_scsi32(void *addr);
  97 uint16_t read_scsi16(void *addr);
  98 void load_scsi32(void *addr, uint32_t val);
  99 void load_scsi16(void *addr, uint16_t val);
 100
 101 int get_mode_page(int fd, int page_no, int pc, int buf_len, uchar_t *buffer);
 102 int set_mode_page(int fd, uchar_t *buffer);
 103 int build_track_info(cd_device *dev, int trackno, struct track_info *t_info);
 104 uchar_t get_data_mode(int fd, uint32_t lba);
 105 int prepare_for_write(cd_device *dev, int track_mode, int test_write,
 106     int keep_disc_open);
 107 int finalize(cd_device *dev);
 108 uint32_t get_last_possible_lba(cd_device *dev);
 109 int read_audio_through_read_cd(cd_device *dev, uint_t start_lba, uint_t nblks,
 110     uchar_t *buf);
 111 int eject_media(cd_device *dev);
 112 int cd_speed_ctrl(cd_device *dev, int cmd, int speed);
 113 int rt_streaming_ctrl(cd_device *dev, int cmd, int speed);
 114
 115 void tao_init(int mode);
 116 void tao_fini(void);
 117 void write_init(int mode);
 118 void write_fini(void);
 119
 120 #ifdef  __cplusplus
 121 }
 122 #endif
 123
 124 #endif /* _MISC_SCSI_H */