86Box/src/include/86box/scsi_disk.h

/*
 * 86Box    A hypervisor and IBM PC system emulator that specializes in
 *          running old operating systems and software designed for IBM
 *          PC systems and compatibles from 1981 through fairly recent
 *          system designs based on the PCI bus.
 *
 *          Emulation of SCSI fixed and removable disks.
 *
 *
 *
 * Authors: Miran Grca, <mgrca8@gmail.com>
 *
 *          Copyright 2017-2018 Miran Grca.
 */

#ifndef SCSI_DISK_H
#define SCSI_DISK_H

typedef struct {
    mode_sense_pages_t ms_pages_saved;

    hard_disk_t *drv;

    uint8_t *temp_buffer,
        pad[16], /* This is atapi_cdb in ATAPI-supporting devices,
                    and pad in SCSI-only devices. */
        current_cdb[16],
        sense[256];

    uint8_t status, phase,
        error, id,
        pad0, cur_lun,
        pad1, pad2;

    uint16_t request_length, pad4;

    int requested_blocks, packet_status,
        total_length, do_page_save,
        unit_attention, pad5,
        pad6, pad7;

    uint32_t sector_pos, sector_len,
        packet_len, pos;

    double callback;
} scsi_disk_t;

extern scsi_disk_t *scsi_disk[HDD_NUM];

extern void scsi_disk_hard_reset(void);
extern void scsi_disk_close(void);

#endif /*SCSI_DISK_H*/