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/*
* virtio ccw target definitions
*
* Copyright 2012 IBM Corp.
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
* directory.
*/
#ifndef HW_S390X_VIRTIO_CCW_H
#define HW_S390X_VIRTIO_CCW_H
#include <hw/virtio/virtio-blk.h>
#include <hw/virtio/virtio-net.h>
#include <hw/virtio/virtio-serial.h>
#include <hw/virtio/virtio-scsi.h>
#ifdef CONFIG_VHOST_SCSI
#include <hw/virtio/vhost-scsi.h>
#endif
#include <hw/virtio/virtio-balloon.h>
#include <hw/virtio/virtio-rng.h>
#include <hw/virtio/virtio-bus.h>
#define VIRTUAL_CSSID 0xfe
#define VIRTIO_CCW_CU_TYPE 0x3832
#define VIRTIO_CCW_CHPID_TYPE 0x32
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
#define CCW_CMD_READ_FEAT 0x12
#define CCW_CMD_WRITE_FEAT 0x11
#define CCW_CMD_READ_CONF 0x22
#define CCW_CMD_WRITE_CONF 0x21
#define CCW_CMD_WRITE_STATUS 0x31
#define CCW_CMD_SET_IND 0x43
#define CCW_CMD_SET_CONF_IND 0x53
#define CCW_CMD_READ_VQ_CONF 0x32
#define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
#define VIRTIO_CCW_DEVICE(obj) \
OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
#define VIRTIO_CCW_DEVICE_CLASS(klass) \
OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
#define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
typedef struct VirtioBusState VirtioCcwBusState;
typedef struct VirtioBusClass VirtioCcwBusClass;
#define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
#define VIRTIO_CCW_BUS(obj) \
OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
#define VIRTIO_CCW_BUS_GET_CLASS(obj) \
OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
#define VIRTIO_CCW_BUS_CLASS(klass) \
OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
typedef struct VirtioCcwDevice VirtioCcwDevice;
typedef struct VirtIOCCWDeviceClass {
DeviceClass parent_class;
int (*init)(VirtioCcwDevice *dev);
int (*exit)(VirtioCcwDevice *dev);
} VirtIOCCWDeviceClass;
/* Change here if we want to support more feature bits. */
#define VIRTIO_CCW_FEATURE_SIZE 1
/* Performance improves when virtqueue kick processing is decoupled from the
* vcpu thread using ioeventfd for some devices. */
#define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
#define VIRTIO_CCW_FLAG_USE_IOEVENTFD (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
struct VirtioCcwDevice {
DeviceState parent_obj;
SubchDev *sch;
VirtIODevice *vdev;
char *bus_id;
uint32_t host_features[VIRTIO_CCW_FEATURE_SIZE];
VirtioBusState bus;
bool ioeventfd_started;
uint32_t flags;
/* Guest provided values: */
hwaddr indicators;
hwaddr indicators2;
};
/* virtual css bus type */
typedef struct VirtualCssBus {
BusState parent_obj;
} VirtualCssBus;
#define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
#define VIRTUAL_CSS_BUS(obj) \
OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
/* virtio-scsi-ccw */
#define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
#define VIRTIO_SCSI_CCW(obj) \
OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
typedef struct VirtIOSCSICcw {
VirtioCcwDevice parent_obj;
VirtIOSCSI vdev;
} VirtIOSCSICcw;
#ifdef CONFIG_VHOST_SCSI
/* vhost-scsi-ccw */
#define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
#define VHOST_SCSI_CCW(obj) \
OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
typedef struct VHostSCSICcw {
VirtioCcwDevice parent_obj;
VHostSCSI vdev;
} VHostSCSICcw;
#endif
/* virtio-blk-ccw */
#define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
#define VIRTIO_BLK_CCW(obj) \
OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
typedef struct VirtIOBlkCcw {
VirtioCcwDevice parent_obj;
VirtIOBlock vdev;
VirtIOBlkConf blk;
} VirtIOBlkCcw;
/* virtio-balloon-ccw */
#define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
#define VIRTIO_BALLOON_CCW(obj) \
OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
typedef struct VirtIOBalloonCcw {
VirtioCcwDevice parent_obj;
VirtIOBalloon vdev;
} VirtIOBalloonCcw;
/* virtio-serial-ccw */
#define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
#define VIRTIO_SERIAL_CCW(obj) \
OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
typedef struct VirtioSerialCcw {
VirtioCcwDevice parent_obj;
VirtIOSerial vdev;
} VirtioSerialCcw;
/* virtio-net-ccw */
#define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
#define VIRTIO_NET_CCW(obj) \
OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
typedef struct VirtIONetCcw {
VirtioCcwDevice parent_obj;
VirtIONet vdev;
} VirtIONetCcw;
/* virtio-rng-ccw */
#define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
#define VIRTIO_RNG_CCW(obj) \
OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
typedef struct VirtIORNGCcw {
VirtioCcwDevice parent_obj;
VirtIORNG vdev;
} VirtIORNGCcw;
VirtualCssBus *virtual_css_bus_init(void);
void virtio_ccw_device_update_status(SubchDev *sch);
VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
#endif
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