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/*
* Copyright (c) 2018 Citrix Systems Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_XEN_BLOCK_H
#define HW_XEN_BLOCK_H
#include "hw/xen/xen-bus.h"
#include "hw/block/block.h"
#include "hw/block/dataplane/xen-block.h"
#include "sysemu/iothread.h"
#include "qom/object.h"
typedef enum XenBlockVdevType {
XEN_BLOCK_VDEV_TYPE_INVALID,
XEN_BLOCK_VDEV_TYPE_DP,
XEN_BLOCK_VDEV_TYPE_XVD,
XEN_BLOCK_VDEV_TYPE_HD,
XEN_BLOCK_VDEV_TYPE_SD,
XEN_BLOCK_VDEV_TYPE__MAX
} XenBlockVdevType;
typedef struct XenBlockVdev {
XenBlockVdevType type;
unsigned long disk;
unsigned long partition;
unsigned long number;
} XenBlockVdev;
typedef struct XenBlockProperties {
XenBlockVdev vdev;
BlockConf conf;
unsigned int max_ring_page_order;
IOThread *iothread;
} XenBlockProperties;
typedef struct XenBlockDrive {
char *id;
char *node_name;
} XenBlockDrive;
typedef struct XenBlockIOThread {
char *id;
} XenBlockIOThread;
struct XenBlockDevice {
XenDevice xendev;
XenBlockProperties props;
const char *device_type;
unsigned int info;
XenBlockDataPlane *dataplane;
XenBlockDrive *drive;
XenBlockIOThread *iothread;
};
typedef struct XenBlockDevice XenBlockDevice;
typedef void (*XenBlockDeviceRealize)(XenBlockDevice *blockdev, Error **errp);
typedef void (*XenBlockDeviceUnrealize)(XenBlockDevice *blockdev);
struct XenBlockDeviceClass {
/*< private >*/
XenDeviceClass parent_class;
/*< public >*/
XenBlockDeviceRealize realize;
XenBlockDeviceUnrealize unrealize;
};
#define TYPE_XEN_BLOCK_DEVICE "xen-block"
OBJECT_DECLARE_TYPE(XenBlockDevice, XenBlockDeviceClass, XEN_BLOCK_DEVICE)
struct XenDiskDevice {
XenBlockDevice blockdev;
};
#define TYPE_XEN_DISK_DEVICE "xen-disk"
OBJECT_DECLARE_SIMPLE_TYPE(XenDiskDevice, XEN_DISK_DEVICE)
struct XenCDRomDevice {
XenBlockDevice blockdev;
};
#define TYPE_XEN_CDROM_DEVICE "xen-cdrom"
OBJECT_DECLARE_SIMPLE_TYPE(XenCDRomDevice, XEN_CDROM_DEVICE)
#endif /* HW_XEN_BLOCK_H */
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