84595f1c78
Unfinished JEGA emulation based on akm's DOSVAX (AX-emulating fork of DOSBox), not yet hooked into the reset of the emulator.
59 lines
1.4 KiB
C
59 lines
1.4 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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* Emulation of SCSI fixed and removable disks.
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*
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* Version: @(#)scsi_disk.h 1.0.0 2017/05/30
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*
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* Author: Miran Grca, <mgrca8@gmail.com>
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* Copyright 2017-2017 Miran Grca.
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*/
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#pragma pack(push,1)
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typedef struct {
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/* Stuff for SCSI hard disks. */
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uint8_t cdb[16];
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uint8_t current_cdb[16];
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uint8_t max_cdb_len;
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int requested_blocks;
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int max_blocks_at_once;
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uint16_t request_length;
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int block_total;
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int all_blocks_total;
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uint32_t packet_len;
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int packet_status;
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uint8_t status;
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uint8_t phase;
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uint32_t pos;
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int callback;
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int total_read;
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int unit_attention;
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uint8_t sense[256];
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uint8_t previous_command;
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uint8_t error;
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uint32_t sector_pos;
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uint32_t sector_len;
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uint32_t last_sector;
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uint32_t seek_pos;
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int data_pos;
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int old_len;
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int cdb_len_setting;
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int cdb_len;
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int request_pos;
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uint64_t base;
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uint8_t hd_cdb[16];
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} scsi_hard_disk_t;
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#pragma pack(pop)
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extern scsi_hard_disk_t shdc[HDC_NUM];
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extern void scsi_disk_insert(uint8_t id);
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extern void scsi_loadhd(int scsi_id, int scsi_lun, int id);
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extern void scsi_reloadhd(int id);
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extern void scsi_unloadhd(int scsi_id, int scsi_lun, int id);
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extern FILE *shdf[HDC_NUM];
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