149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* This file is part of the 86Box distribution.
|
|
*
|
|
* Implementation of the Iomega ZIP drive with SCSI(-like)
|
|
* commands, for both ATAPI and SCSI usage.
|
|
*
|
|
*
|
|
*
|
|
* Authors: Miran Grca, <mgrca8@gmail.com>
|
|
*
|
|
* Copyright 2018-2025 Miran Grca.
|
|
*/
|
|
|
|
#ifndef EMU_ZIP_H
|
|
#define EMU_ZIP_H
|
|
|
|
#define ZIP_NUM 4
|
|
|
|
#define BUF_SIZE 32768
|
|
|
|
#define ZIP_TIME 10.0
|
|
|
|
#define ZIP_SECTORS (96 * 2048)
|
|
|
|
#define ZIP_250_SECTORS (489532)
|
|
|
|
#define ZIP_IMAGE_HISTORY 10
|
|
|
|
enum {
|
|
ZIP_BUS_DISABLED = 0,
|
|
ZIP_BUS_ATAPI = 5,
|
|
ZIP_BUS_SCSI = 6,
|
|
ZIP_BUS_USB = 7
|
|
};
|
|
|
|
typedef struct zip_drive_t {
|
|
uint8_t id;
|
|
|
|
union {
|
|
uint8_t res;
|
|
/* Reserved for other ID's. */
|
|
uint8_t res0;
|
|
uint8_t res1;
|
|
uint8_t ide_channel;
|
|
uint8_t scsi_device_id;
|
|
};
|
|
|
|
uint8_t bus_type; /* 0 = ATAPI, 1 = SCSI */
|
|
uint8_t bus_mode; /* Bit 0 = PIO suported;
|
|
Bit 1 = DMA supportd. */
|
|
uint8_t read_only; /* Struct variable reserved for
|
|
media status. */
|
|
uint8_t pad;
|
|
uint8_t pad0;
|
|
|
|
FILE * fp;
|
|
void * priv;
|
|
|
|
char image_path[1024];
|
|
char prev_image_path[1024];
|
|
|
|
char * image_history[ZIP_IMAGE_HISTORY];
|
|
|
|
uint32_t is_250;
|
|
uint32_t medium_size;
|
|
uint32_t base;
|
|
} zip_drive_t;
|
|
|
|
typedef struct zip_t {
|
|
mode_sense_pages_t ms_pages_saved;
|
|
|
|
zip_drive_t * drv;
|
|
#ifdef EMU_IDE_H
|
|
ide_tf_t * tf;
|
|
#else
|
|
void * tf;
|
|
#endif
|
|
|
|
void * log;
|
|
|
|
uint8_t * buffer;
|
|
uint8_t atapi_cdb[16];
|
|
uint8_t current_cdb[16];
|
|
uint8_t sense[256];
|
|
|
|
uint8_t id;
|
|
uint8_t cur_lun;
|
|
uint8_t pad0;
|
|
uint8_t pad1;
|
|
|
|
uint16_t max_transfer_len;
|
|
uint16_t pad2;
|
|
|
|
int requested_blocks;
|
|
int packet_status;
|
|
int total_length;
|
|
int do_page_save;
|
|
int unit_attention;
|
|
int request_pos;
|
|
int old_len;
|
|
int transition;
|
|
|
|
uint32_t sector_pos;
|
|
uint32_t sector_len;
|
|
uint32_t packet_len;
|
|
|
|
double callback;
|
|
|
|
uint8_t (*ven_cmd)(void *sc, uint8_t *cdb, int32_t *BufLen);
|
|
} zip_t;
|
|
|
|
extern zip_t *zip[ZIP_NUM];
|
|
extern zip_drive_t zip_drives[ZIP_NUM];
|
|
extern uint8_t atapi_zip_drives[8];
|
|
extern uint8_t scsi_zip_drives[16];
|
|
|
|
#define zip_sense_error dev->sense[0]
|
|
#define zip_sense_key dev->sense[2]
|
|
#define zip_info *(uint32_t *) &(dev->sense[3])
|
|
#define zip_asc dev->sense[12]
|
|
#define zip_ascq dev->sense[13]
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern void zip_disk_close(const zip_t *dev);
|
|
extern void zip_disk_reload(const zip_t *dev);
|
|
extern void zip_insert(zip_t *dev);
|
|
|
|
extern void zip_global_init(void);
|
|
extern void zip_hard_reset(void);
|
|
|
|
extern void zip_reset(scsi_common_t *sc);
|
|
extern int zip_is_empty(const uint8_t id);
|
|
extern void zip_load(const zip_t *dev, const char *fn, const int skip_insert);
|
|
extern void zip_close(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /*EMU_ZIP_H*/
|