439 lines
19 KiB
C
439 lines
19 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for the generic SCSI device command handler.
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*
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*
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Fred N. van Kempen, <decwiz@yahoo.com>
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*
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* Copyright 2016-2019 Miran Grca.
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* Copyright 2017-2019 Fred N. van Kempen.
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*/
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#ifndef SCSI_DEVICE_H
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#define SCSI_DEVICE_H
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/* Configuration. */
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#define SCSI_LUN_USE_CDB 0xff
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#ifdef WALTJE
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# define SCSI_TIME 50.0
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#else
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# define SCSI_TIME 500.0
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#endif
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/* Bits of 'status' */
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#define ERR_STAT 0x01
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#define DRQ_STAT 0x08 /* Data request */
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#define DSC_STAT 0x10
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#define SERVICE_STAT 0x10
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#define READY_STAT 0x40
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#define BUSY_STAT 0x80
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/* Bits of 'error' */
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#define ABRT_ERR 0x04 /* Command aborted */
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#define MCR_ERR 0x08 /* Media change request */
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/* SCSI commands. */
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#define GPCMD_TEST_UNIT_READY 0x00
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#define GPCMD_REZERO_UNIT 0x01
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#define GPCMD_REQUEST_SENSE 0x03
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#define GPCMD_FORMAT_UNIT 0x04
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#define GPCMD_IOMEGA_SENSE 0x06
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#define GPCMD_READ_6 0x08
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#define GPCMD_WRITE_6 0x0a
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#define GPCMD_SEEK_6 0x0b
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#define GPCMD_IOMEGA_SET_PROTECTION_MODE 0x0c
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#define GPCMD_IOMEGA_EJECT 0x0d /* ATAPI only? */
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#define GPCMD_NO_OPERATION_TOSHIBA 0x0d /* Toshiba Vendor Unique command */
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#define GPCMD_NO_OPERATION_NEC 0x0d /* NEC Vendor Unique command */
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#define GPCMD_INQUIRY 0x12
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#define GPCMD_VERIFY_6 0x13
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#define GPCMD_MODE_SELECT_6 0x15
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#define GPCMD_SCSI_RESERVE 0x16
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#define GPCMD_SCSI_RELEASE 0x17
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#define GPCMD_MODE_SENSE_6 0x1a
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#define GPCMD_START_STOP_UNIT 0x1b
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#define GPCMD_SEND_DIAGNOSTIC 0x1d
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#define GPCMD_PREVENT_REMOVAL 0x1e
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#define GPCMD_READ_FORMAT_CAPACITIES 0x23
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#define GPCMD_READ_CDROM_CAPACITY 0x25
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#define GPCMD_UNKNOWN_CHINON 0x26 /*Chinon Vendor Unique command*/
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#define GPCMD_READ_10 0x28
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#define GPCMD_READ_GENERATION 0x29
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#define GPCMD_WRITE_10 0x2a
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#define GPCMD_SEEK_10 0x2b
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#define GPCMD_ERASE_10 0x2c
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#define GPCMD_WRITE_AND_VERIFY_10 0x2e
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#define GPCMD_VERIFY_10 0x2f
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#define GPCMD_READ_BUFFER 0x3c
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#define GPCMD_WRITE_SAME_10 0x41
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#define GPCMD_READ_SUBCHANNEL 0x42
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#define GPCMD_READ_TOC_PMA_ATIP 0x43
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#define GPCMD_READ_HEADER 0x44
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#define GPCMD_PLAY_AUDIO_10 0x45
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#define GPCMD_GET_CONFIGURATION 0x46
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#define GPCMD_PLAY_AUDIO_MSF 0x47
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#define GPCMD_PLAY_AUDIO_TRACK_INDEX 0x48
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#define GPCMD_PLAY_AUDIO_TRACK_RELATIVE_10 0x49
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#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
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#define GPCMD_PAUSE_RESUME 0x4b
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#define GPCMD_STOP_PLAY_SCAN 0x4e
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#define GPCMD_READ_DISC_INFORMATION 0x51
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#define GPCMD_READ_TRACK_INFORMATION 0x52
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#define GPCMD_MODE_SELECT_10 0x55
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#define GPCMD_MODE_SENSE_10 0x5a
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#define GPCMD_PLAY_AUDIO_12 0xa5
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#define GPCMD_READ_12 0xa8
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#define GPCMD_PLAY_AUDIO_TRACK_RELATIVE_12 0xa9
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#define GPCMD_WRITE_12 0xaa
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#define GPCMD_ERASE_12 0xac
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#define GPCMD_READ_DVD_STRUCTURE 0xad /* For reading. */
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#define GPCMD_WRITE_AND_VERIFY_12 0xae
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#define GPCMD_VERIFY_12 0xaf
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#define GPCMD_PLAY_CD_OLD 0xb4
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#define GPCMD_READ_CD_OLD 0xb8
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#define GPCMD_READ_CD_MSF 0xb9
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#define GPCMD_AUDIO_SCAN 0xba
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#define GPCMD_SET_SPEED 0xbb
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#define GPCMD_PLAY_CD 0xbc
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#define GPCMD_MECHANISM_STATUS 0xbd
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#define GPCMD_READ_CD 0xbe
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#define GPCMD_SEND_DVD_STRUCTURE 0xbf /* This is for writing only, irrelevant to 86Box. */
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#define GPCMD_EJECT_CHINON 0xc0 /* Chinon Vendor Unique command */
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#define GPCMD_AUDIO_TRACK_SEARCH_TOSHIBA 0xc0 /* Toshiba Vendor Unique command */
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#define GPCMD_UNKNOWN_SONY 0xc0 /* Sony Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_TOSHIBA 0xc1 /* Toshiba Vendor Unique command */
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#define GPCMD_READ_TOC_SONY 0xc1 /* Sony Vendor Unique command */
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#define GPCMD_PAUSE_RESUME_ALT 0xc2
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#define GPCMD_READ_SUBCHANNEL_MATSUSHITA 0xc2 /* Matsushita Vendor Unique command */
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#define GPCMD_READ_SUBCHANNEL_SONY 0xc2 /* Sony Vendor Unique command */
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#define GPCMD_STILL_TOSHIBA 0xc2 /* Toshiba Vendor Unique command */
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#define GPCMD_READ_TOC_MATSUSHITA 0xc3 /* Matsushita Vendor Unique command */
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#define GPCMD_READ_HEADER_SONY 0xc3 /* Sony Vendor Unique command */
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#define GPCMD_SET_STOP_TIME_TOSHIBA 0xc3 /* Toshiba Vendor Unique command */
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#define GPCMD_READ_HEADER_MATSUSHITA 0xc4 /* Matsushita Vendor Unique command */
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#define GPCMD_PLAYBACK_STATUS_TOSHIBA 0xc4 /* Sony Vendor Unique command */
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#define GPCMD_CADDY_EJECT_TOSHIBA 0xc4 /* Toshiba Vendor Unique command */
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#define GPCMD_PAUSE_SONY 0xc5 /* Sony Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_MATSUSHITA 0xc5 /* Matsushita Vendor Unique command */
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#define GPCMD_STOP_CHINON 0xc6 /* Chinon Vendor Unique command */
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#define GPCMD_PLAT_TRACK_SONY 0xc6 /* Sony Vendor Unique command */
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#define GPCMD_READ_SUBCODEQ_PLAYING_STATUS_TOSHIBA 0xc6 /* Toshiba Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_MSF_MATSUSHITA 0xc7 /* Matsushita Vendor Unique command*/
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#define GPCMD_PLAY_MSF_SONY 0xc7 /* Sony Vendor Unique command*/
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#define GPCMD_READ_DISC_INFORMATION_TOSHIBA 0xc7 /* Toshiba Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_TRACK_INDEX_MATSUSHITA 0xc8 /* Matsushita Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_SONY 0xc8 /* Sony Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_TRACK_RELATIVE_10_MATSUSHITA 0xc9 /*Matsushita Vendor Unique command */
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#define GPCMD_PLAYBACK_CONTROL_SONY 0xc9 /* Sony Vendor Unique command */
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#define GPCMD_PAUSE_RESUME_MATSUSHITA 0xcb /* Matsushita Vendor Unique command */
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#define GPCMD_SCAN_PIONEER 0xcd /* Should be equivalent to 0xba */
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#define GPCMD_AUDIO_TRACK_SEARCH_NEC 0xd8 /* NEC Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_NEC 0xd9 /* NEC Vendor Unique command */
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#define GPCMD_STILL_NEC 0xda /* NEC Vendor Unique command */
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#define GPCMD_SET_SPEED_ALT 0xda /* Should be equivalent to 0xbb */
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#define GPCMD_SET_STOP_TIME_NEC 0xdb /* NEC Vendor Unique command */
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#define GPCMD_CADDY_EJECT_NEC 0xdc /* NEC Vendor Unique command */
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#define GPCMD_READ_SUBCODEQ_PLAYING_STATUS_NEC 0xdd /* NEC Vendor Unique command */
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#define GPCMD_READ_DISC_INFORMATION_NEC 0xde /* NEC Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_12_MATSUSHITA 0xe5 /* Matsushita Vendor Unique command */
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#define GPCMD_PLAY_AUDIO_TRACK_RELATIVE_12_MATSUSHITA 0xe9 /* Matsushita Vendor Unique command */
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/* Mode page codes for mode sense/set */
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#define GPMODE_R_W_ERROR_PAGE 0x01
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#define GPMODE_DISCONNECT_PAGE 0x02 /* Disconnect/reconnect page */
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#define GPMODE_FORMAT_DEVICE_PAGE 0x03
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#define GPMODE_RIGID_DISK_PAGE 0x04 /* Rigid disk geometry page */
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#define GPMODE_FLEXIBLE_DISK_PAGE 0x05
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#define GPMODE_CACHING_PAGE 0x08
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#define GPMODE_CDROM_PAGE_SONY 0x08
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#define GPMODE_CDROM_AUDIO_PAGE_SONY 0x09
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#define GPMODE_CDROM_PAGE 0x0d
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#define GPMODE_CDROM_AUDIO_PAGE 0x0e
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#define GPMODE_CAPABILITIES_PAGE 0x2a
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#define GPMODE_IOMEGA_PAGE 0x2f
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#define GPMODE_UNK_VENDOR_PAGE 0x30
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#define GPMODE_ALL_PAGES 0x3f
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/* Mode page codes for presence */
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#define GPMODEP_R_W_ERROR_PAGE 0x0000000000000002LL
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#define GPMODEP_DISCONNECT_PAGE 0x0000000000000004LL
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#define GPMODEP_FORMAT_DEVICE_PAGE 0x0000000000000008LL
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#define GPMODEP_RIGID_DISK_PAGE 0x0000000000000010LL
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#define GPMODEP_FLEXIBLE_DISK_PAGE 0x0000000000000020LL
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#define GPMODEP_CACHING_PAGE 0x0000000000000100LL
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#define GPMODEP_CDROM_PAGE_SONY 0x0000000000000200LL
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#define GPMODEP_CDROM_AUDIO_PAGE_SONY 0x0000000000000400LL
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#define GPMODEP_CDROM_PAGE 0x0000000000002000LL
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#define GPMODEP_CDROM_AUDIO_PAGE 0x0000000000004000LL
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#define GPMODEP_CAPABILITIES_PAGE 0x0000040000000000LL
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#define GPMODEP_IOMEGA_PAGE 0x0000800000000000LL
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#define GPMODEP_UNK_VENDOR_PAGE 0x0001000000000000LL
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#define GPMODEP_ALL_PAGES 0x8000000000000000LL
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/* SCSI Status Codes */
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#define SCSI_STATUS_OK 0
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#define SCSI_STATUS_CHECK_CONDITION 2
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/* SCSI Sense Keys */
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#define SENSE_NONE 0
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#define SENSE_NOT_READY 2
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#define SENSE_ILLEGAL_REQUEST 5
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#define SENSE_UNIT_ATTENTION 6
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/* SCSI Additional Sense Codes */
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#define ASC_NONE 0x00
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#define ASC_AUDIO_PLAY_OPERATION 0x00
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#define ASC_NOT_READY 0x04
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#define ASC_ILLEGAL_OPCODE 0x20
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#define ASC_LBA_OUT_OF_RANGE 0x21
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#define ASC_INV_FIELD_IN_CMD_PACKET 0x24
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#define ASC_INV_LUN 0x25
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#define ASC_INV_FIELD_IN_PARAMETER_LIST 0x26
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#define ASC_WRITE_PROTECTED 0x27
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#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
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#define ASC_CAPACITY_DATA_CHANGED 0x2A
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#define ASC_INCOMPATIBLE_FORMAT 0x30
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#define ASC_MEDIUM_NOT_PRESENT 0x3a
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#define ASC_DATA_PHASE_ERROR 0x4b
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#define ASC_ILLEGAL_MODE_FOR_THIS_TRACK 0x64
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#define ASCQ_NONE 0x00
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#define ASCQ_UNIT_IN_PROCESS_OF_BECOMING_READY 0x01
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#define ASCQ_INITIALIZING_COMMAND_REQUIRED 0x02
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#define ASCQ_CAPACITY_DATA_CHANGED 0x09
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#define ASCQ_AUDIO_PLAY_OPERATION_IN_PROGRESS 0x11
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#define ASCQ_AUDIO_PLAY_OPERATION_PAUSED 0x12
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#define ASCQ_AUDIO_PLAY_OPERATION_COMPLETED 0x13
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/* Tell RISC OS that we have a 4x CD-ROM drive (600kb/sec data, 706kb/sec raw).
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Not that it means anything */
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#define CDROM_SPEED 706 /* 0x2C2 */
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#define BUFFER_SIZE (256 * 1024)
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#define RW_DELAY (TIMER_USEC * 500)
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/* Some generally useful CD-ROM information */
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#define CD_MINS 75 /* max. minutes per CD */
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#define CD_SECS 60 /* seconds per minute */
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#define CD_FRAMES 75 /* frames per second */
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#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
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#define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
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#define CD_MAX_SECTORS (CD_MAX_BYTES / 512)
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/* Event notification classes for GET EVENT STATUS NOTIFICATION */
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#define GESN_NO_EVENTS 0
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#define GESN_OPERATIONAL_CHANGE 1
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#define GESN_POWER_MANAGEMENT 2
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#define GESN_EXTERNAL_REQUEST 3
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#define GESN_MEDIA 4
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#define GESN_MULTIPLE_HOSTS 5
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#define GESN_DEVICE_BUSY 6
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/* Event codes for MEDIA event status notification */
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#define MEC_NO_CHANGE 0
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#define MEC_EJECT_REQUESTED 1
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#define MEC_NEW_MEDIA 2
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#define MEC_MEDIA_REMOVAL 3 /* only for media changers */
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#define MEC_MEDIA_CHANGED 4 /* only for media changers */
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#define MEC_BG_FORMAT_COMPLETED 5 /* MRW or DVD+RW b/g format completed */
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#define MEC_BG_FORMAT_RESTARTED 6 /* MRW or DVD+RW b/g format restarted */
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#define MS_TRAY_OPEN 1
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#define MS_MEDIA_PRESENT 2
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/*
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* The MMC values are not IDE specific and might need to be moved
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* to a common header if they are also needed for the SCSI emulation
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*/
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/* Profile list from MMC-6 revision 1 table 91 */
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#define MMC_PROFILE_NONE 0x0000
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#define MMC_PROFILE_CD_ROM 0x0008
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#define MMC_PROFILE_CD_R 0x0009
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#define MMC_PROFILE_CD_RW 0x000A
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#define MMC_PROFILE_DVD_ROM 0x0010
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#define MMC_PROFILE_DVD_R_SR 0x0011
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#define MMC_PROFILE_DVD_RAM 0x0012
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#define MMC_PROFILE_DVD_RW_RO 0x0013
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#define MMC_PROFILE_DVD_RW_SR 0x0014
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#define MMC_PROFILE_DVD_R_DL_SR 0x0015
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#define MMC_PROFILE_DVD_R_DL_JR 0x0016
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#define MMC_PROFILE_DVD_RW_DL 0x0017
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#define MMC_PROFILE_DVD_DDR 0x0018
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#define MMC_PROFILE_DVD_PLUS_RW 0x001A
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#define MMC_PROFILE_DVD_PLUS_R 0x001B
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#define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A
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#define MMC_PROFILE_DVD_PLUS_R_DL 0x002B
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#define MMC_PROFILE_BD_ROM 0x0040
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#define MMC_PROFILE_BD_R_SRM 0x0041
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#define MMC_PROFILE_BD_R_RRM 0x0042
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#define MMC_PROFILE_BD_RE 0x0043
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#define MMC_PROFILE_HDDVD_ROM 0x0050
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#define MMC_PROFILE_HDDVD_R 0x0051
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#define MMC_PROFILE_HDDVD_RAM 0x0052
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#define MMC_PROFILE_HDDVD_RW 0x0053
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#define MMC_PROFILE_HDDVD_R_DL 0x0058
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#define MMC_PROFILE_HDDVD_RW_DL 0x005A
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#define MMC_PROFILE_INVALID 0xFFFF
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#define EARLY_ONLY 64
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#define SCSI_ONLY 32
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#define ATAPI_ONLY 16
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#define IMPLEMENTED 8
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#define NONDATA 4
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#define CHECK_READY 2
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#define ALLOW_UA 1
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#define MSFtoLBA(m, s, f) ((((m * 60) + s) * 75) + f)
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#define MSG_COMMAND_COMPLETE 0x00
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#define BUS_DBP 0x01
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#define BUS_SEL 0x02
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#define BUS_IO 0x04
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#define BUS_CD 0x08
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#define BUS_MSG 0x10
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#define BUS_REQ 0x20
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#define BUS_BSY 0x40
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#define BUS_RST 0x80
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#define BUS_ACK 0x200
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#define BUS_ATN 0x200
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#define BUS_ARB 0x8000
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#define BUS_SETDATA(val) ((uint32_t) val << 16)
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#define BUS_GETDATA(val) ((val >> 16) & 0xff)
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#define BUS_DATAMASK 0xff0000
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#define BUS_IDLE (1 << 31)
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#define PHASE_IDLE 0x00
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#define PHASE_COMMAND 0x01
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#define PHASE_DATA_IN 0x02
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#define PHASE_DATA_OUT 0x03
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#define PHASE_DATA_IN_DMA 0x04
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#define PHASE_DATA_OUT_DMA 0x05
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#define PHASE_COMPLETE 0x06
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#define PHASE_ERROR 0x80
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#define PHASE_NONE 0xff
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#define SCSI_PHASE_DATA_OUT 0
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#define SCSI_PHASE_DATA_IN BUS_IO
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#define SCSI_PHASE_COMMAND BUS_CD
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#define SCSI_PHASE_STATUS (BUS_CD | BUS_IO)
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#define SCSI_PHASE_MESSAGE_OUT (BUS_MSG | BUS_CD)
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#define SCSI_PHASE_MESSAGE_IN (BUS_MSG | BUS_CD | BUS_IO)
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#define MODE_SELECT_PHASE_IDLE 0
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#define MODE_SELECT_PHASE_HEADER 1
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#define MODE_SELECT_PHASE_BLOCK_DESC 2
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#define MODE_SELECT_PHASE_PAGE_HEADER 3
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#define MODE_SELECT_PHASE_PAGE 4
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typedef struct mode_sense_pages_t {
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uint8_t pages[0x40][0x40];
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} mode_sense_pages_t;
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/* This is so we can access the common elements to all SCSI device structs
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without knowing the device type. */
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typedef struct scsi_common_s {
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mode_sense_pages_t ms_pages_saved;
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void *priv;
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uint8_t *temp_buffer;
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uint8_t atapi_cdb[16]; /* This is atapi_cdb in ATAPI-supporting devices,
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and pad in SCSI-only devices. */
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uint8_t current_cdb[16];
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uint8_t sense[256];
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uint8_t status;
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uint8_t phase;
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uint8_t error;
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uint8_t id;
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uint8_t features;
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uint8_t cur_lun;
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uint8_t pad0;
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uint8_t pad1;
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uint16_t request_length;
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uint16_t max_transfer_len;
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int requested_blocks;
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int packet_status;
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int total_length;
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int do_page_save;
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int unit_attention;
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int request_pos;
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int old_len;
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int media_status;
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uint32_t sector_pos;
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uint32_t sector_len;
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uint32_t packet_len;
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uint32_t pos;
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double callback;
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} scsi_common_t;
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typedef struct scsi_device_t {
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int32_t buffer_length;
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uint8_t status;
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uint8_t phase;
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uint16_t type;
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scsi_common_t *sc;
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void (*command)(scsi_common_t *sc, uint8_t *cdb);
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void (*request_sense)(scsi_common_t *sc, uint8_t *buffer, uint8_t alloc_length);
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void (*reset)(scsi_common_t *sc);
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uint8_t (*phase_data_out)(scsi_common_t *sc);
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void (*command_stop)(scsi_common_t *sc);
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} scsi_device_t;
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/* These are based on the INQUIRY values. */
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#define SCSI_NONE 0x0060
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#define SCSI_FIXED_DISK 0x0000
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#define SCSI_REMOVABLE_DISK 0x8000
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#define SCSI_REMOVABLE_CDROM 0x8005
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#ifdef EMU_SCSI_H
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extern scsi_device_t scsi_devices[SCSI_BUS_MAX][SCSI_ID_MAX];
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#endif /* EMU_SCSI_H */
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extern int cdrom_add_error_and_subchannel(uint8_t *b, int real_sector_type);
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extern int cdrom_LBAtoMSF_accurate(void);
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extern int mode_select_init(uint8_t command, uint16_t pl_length, uint8_t do_save);
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extern int mode_select_terminate(int force);
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extern int mode_select_write(uint8_t val);
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extern uint8_t *scsi_device_sense(scsi_device_t *dev);
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extern double scsi_device_get_callback(scsi_device_t *dev);
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extern void scsi_device_request_sense(scsi_device_t *dev, uint8_t *buffer,
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uint8_t alloc_length);
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extern void scsi_device_reset(scsi_device_t *dev);
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extern int scsi_device_present(scsi_device_t *dev);
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extern int scsi_device_valid(scsi_device_t *dev);
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extern int scsi_device_cdb_length(scsi_device_t *dev);
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extern void scsi_device_command_phase0(scsi_device_t *dev, uint8_t *cdb);
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extern void scsi_device_command_phase1(scsi_device_t *dev);
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extern void scsi_device_command_stop(scsi_device_t *dev);
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extern void scsi_device_identify(scsi_device_t *dev, uint8_t lun);
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extern void scsi_device_close_all(void);
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extern void scsi_device_init(void);
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extern void scsi_reset(void);
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extern uint8_t scsi_get_bus(void);
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#endif /*SCSI_DEVICE_H*/
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