Archipelago » qemu

#ifndef SCSI_DISK_H

#define SCSI_DISK_H

#include "qdev.h"

/* scsi-disk.c */

enum scsi_reason {

    SCSI_REASON_DONE, /* Command complete.  */

    SCSI_REASON_DATA  /* Transfer complete, more data required.  */

};

typedef struct SCSIBus SCSIBus;

typedef struct SCSIDevice SCSIDevice;

typedef struct SCSIDeviceInfo SCSIDeviceInfo;

typedef void (*scsi_completionfn)(SCSIBus *bus, int reason, uint32_t tag,

                                  uint32_t arg);

struct SCSIDevice

{

    DeviceState qdev;

    uint32_t id;

    SCSIDeviceInfo *info;

};

/* cdrom.c */

int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track);

int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num);

/* scsi-bus.c */

typedef int (*scsi_qdev_initfn)(SCSIDevice *dev);

struct SCSIDeviceInfo {

    DeviceInfo qdev;

    scsi_qdev_initfn init;

    void (*destroy)(SCSIDevice *s);

    int32_t (*send_command)(SCSIDevice *s, uint32_t tag, uint8_t *buf,

                            int lun);

    void (*read_data)(SCSIDevice *s, uint32_t tag);

    int (*write_data)(SCSIDevice *s, uint32_t tag);

    void (*cancel_io)(SCSIDevice *s, uint32_t tag);

    uint8_t *(*get_buf)(SCSIDevice *s, uint32_t tag);

};

typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv,

              int unit);

struct SCSIBus {

    BusState qbus;

    int busnr;

    int tcq, ndev;

    scsi_completionfn complete;

    SCSIDevice *devs[8];

};

void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev,

                  scsi_completionfn complete);

void scsi_qdev_register(SCSIDeviceInfo *info);

static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)

{

    return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);

}

SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, DriveInfo *dinfo, int unit);

void scsi_bus_legacy_handle_cmdline(SCSIBus *bus);

#endif