
#define MAX_TOTAL_DEVICES 8
#define DEVICE_SCSI_BUFSIZE 4096

//#define device_debug write_log
#define device_debug

#define	INQ_DASD	0x00		/* Direct-access device (disk) */
#define	INQ_SEQD	0x01		/* Sequential-access device (tape) */
#define	INQ_PRTD	0x02 		/* Printer device */
#define	INQ_PROCD	0x03 		/* Processor device */
#define	INQ_OPTD	0x04		/* Write once device (optical disk) */
#define	INQ_WORM	0x04		/* Write once device (optical disk) */
#define	INQ_ROMD	0x05		/* CD-ROM device */
#define	INQ_SCAN	0x06		/* Scanner device */
#define	INQ_OMEM	0x07		/* Optical Memory device */
#define	INQ_JUKE	0x08		/* Medium Changer device (jukebox) */
#define	INQ_COMM	0x09		/* Communications device */
#define	INQ_IT8_1	0x0A		/* IT8 */
#define	INQ_IT8_2	0x0B		/* IT8 */
#define	INQ_STARR	0x0C		/* Storage array device */
#define	INQ_ENCL	0x0D		/* Enclosure services device */
#define	INQ_NODEV	0x1F		/* Unknown or no device */
#define	INQ_NOTPR	0x1F		/* Logical unit not present (SCSI-1) */

#define DEVICE_TYPE_ANY 1
#define DEVICE_TYPE_SCSI 2

#define DF_SCSI 0
#define DF_IOCTL 1

struct device_info {
    int type;
    int media_inserted;
    int write_protected;
    int cylinders;
    int trackspercylinder;
    int sectorspertrack;
    int bytespersector;
    int bus, target, lun;
    int id;
    char *label;
};

struct device_scsi_info {
    uae_u8 *buffer;
    int bufsize;
};

typedef int (*open_bus_func)(int flags);
typedef void (*close_bus_func)(void);
typedef int (*open_device_func)(int);
typedef void (*close_device_func)(int);
typedef struct device_info* (*info_device_func)(int, struct device_info*);
typedef struct device_scsi_info* (*scsiinfo_func)(int, struct device_scsi_info*);
typedef uae_u8* (*execscsicmd_out_func)(int, uae_u8*, int);
typedef uae_u8* (*execscsicmd_in_func)(int, uae_u8*, int, int*);
typedef int (*execscsicmd_direct_func)(int, uaecptr);

typedef int (*pause_func)(int, int);
typedef int (*stop_func)(int);
typedef int (*play_func)(int, uae_u32, uae_u32, int);
typedef uae_u8* (*qcode_func)(int);
typedef uae_u8* (*toc_func)(int);
typedef uae_u8* (*read_func)(int, int);
typedef int (*write_func)(int, int);
typedef int (*isatapi_func)(int);

struct device_functions {
    open_bus_func openbus;
    close_bus_func closebus;
    open_device_func opendev;
    close_device_func closedev;
    info_device_func info;
    execscsicmd_out_func exec_out;
    execscsicmd_in_func exec_in;
    execscsicmd_direct_func exec_direct;

    pause_func pause;
    stop_func stop;
    play_func play;
    qcode_func qcode;
    toc_func toc;
    read_func read;
    write_func write;

    isatapi_func isatapi;

    scsiinfo_func scsiinfo;

    
};

extern struct device_functions *device_func[2];

extern int device_func_init(int flags);
extern int sys_command_open (int mode, int unitnum);
extern void sys_command_close (int mode, int unitnum);
extern struct device_info *sys_command_info (int mode, int unitnum, struct device_info *di);
extern struct device_scsi_info *sys_command_scsi_info (int mode, int unitnum, struct device_scsi_info *di);
extern void sys_command_cd_pause (int mode, int unitnum, int paused);
extern void sys_command_cd_stop (int mode, int unitnum);
extern int sys_command_cd_play (int mode, int unitnum, uae_u32 startmsf, uae_u32 endmsf, int);
extern uae_u8 *sys_command_cd_qcode (int mode, int unitnum);
extern uae_u8 *sys_command_cd_toc (int mode, int unitnum);
extern uae_u8 *sys_command_cd_read (int mode, int unitnum, int offset);
extern uae_u8 *sys_command_read (int mode, int unitnum, int offset);
extern int sys_command_write (int mode, int unitnum, int offset);
extern int sys_command_scsi_direct (int unitnum, uaecptr request);

void scsi_atapi_fixup_pre (uae_u8 *scsi_cmd, int *len, uae_u8 **data, int *datalen, int *parm);
void scsi_atapi_fixup_post (uae_u8 *scsi_cmd, int len, uae_u8 *olddata, uae_u8 *data, int *datalen, int parm);

void scsi_log_before (uae_u8 *cdb, int cdblen, uae_u8 *data, int datalen);
void scsi_log_after (uae_u8 *data, int datalen, uae_u8 *sense, int senselen);
