a28d8391e3
Currently, virtio-ccw uses its own interfaces to keep indicators mapped just once even if the same address has been registered multiple times. These interfaces fit the PCI use case as well. Therefore, move them to css and make them generic interfaces. Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
212 lines
5.7 KiB
C
212 lines
5.7 KiB
C
/*
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* virtio ccw target definitions
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*
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* Copyright 2012,2015 IBM Corp.
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* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
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* Pierre Morel <pmorel@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#ifndef HW_S390X_VIRTIO_CCW_H
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#define HW_S390X_VIRTIO_CCW_H
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#include <hw/virtio/virtio-blk.h>
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#include <hw/virtio/virtio-net.h>
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#include <hw/virtio/virtio-serial.h>
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#include <hw/virtio/virtio-scsi.h>
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#ifdef CONFIG_VHOST_SCSI
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#include <hw/virtio/vhost-scsi.h>
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#endif
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#include <hw/virtio/virtio-balloon.h>
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#include <hw/virtio/virtio-rng.h>
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#include <hw/virtio/virtio-bus.h>
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#include "css.h"
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#define VIRTUAL_CSSID 0xfe
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#define VIRTIO_CCW_CU_TYPE 0x3832
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#define VIRTIO_CCW_CHPID_TYPE 0x32
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#define CCW_CMD_SET_VQ 0x13
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#define CCW_CMD_VDEV_RESET 0x33
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#define CCW_CMD_READ_FEAT 0x12
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#define CCW_CMD_WRITE_FEAT 0x11
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#define CCW_CMD_READ_CONF 0x22
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#define CCW_CMD_WRITE_CONF 0x21
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#define CCW_CMD_WRITE_STATUS 0x31
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#define CCW_CMD_SET_IND 0x43
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#define CCW_CMD_SET_CONF_IND 0x53
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#define CCW_CMD_READ_VQ_CONF 0x32
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#define CCW_CMD_SET_IND_ADAPTER 0x73
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#define CCW_CMD_SET_VIRTIO_REV 0x83
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#define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device"
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#define VIRTIO_CCW_DEVICE(obj) \
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OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE)
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#define VIRTIO_CCW_DEVICE_CLASS(klass) \
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OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE)
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#define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \
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OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE)
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typedef struct VirtioBusState VirtioCcwBusState;
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typedef struct VirtioBusClass VirtioCcwBusClass;
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#define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus"
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#define VIRTIO_CCW_BUS(obj) \
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OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS)
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#define VIRTIO_CCW_BUS_GET_CLASS(obj) \
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OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS)
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#define VIRTIO_CCW_BUS_CLASS(klass) \
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OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS)
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typedef struct VirtioCcwDevice VirtioCcwDevice;
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typedef struct VirtIOCCWDeviceClass {
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DeviceClass parent_class;
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void (*realize)(VirtioCcwDevice *dev, Error **errp);
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int (*exit)(VirtioCcwDevice *dev);
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} VirtIOCCWDeviceClass;
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/* Performance improves when virtqueue kick processing is decoupled from the
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* vcpu thread using ioeventfd for some devices. */
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#define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1
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#define VIRTIO_CCW_FLAG_USE_IOEVENTFD (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT)
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struct VirtioCcwDevice {
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DeviceState parent_obj;
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SubchDev *sch;
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char *bus_id;
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int revision;
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uint32_t max_rev;
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VirtioBusState bus;
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bool ioeventfd_started;
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bool ioeventfd_disabled;
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uint32_t flags;
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uint8_t thinint_isc;
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AdapterRoutes routes;
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/* Guest provided values: */
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IndAddr *indicators;
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IndAddr *indicators2;
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IndAddr *summary_indicator;
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uint64_t ind_bit;
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};
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/* The maximum virtio revision we support. */
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#define VIRTIO_CCW_MAX_REV 1
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static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
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{
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return dev->max_rev;
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}
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/* virtual css bus type */
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typedef struct VirtualCssBus {
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BusState parent_obj;
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} VirtualCssBus;
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#define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
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#define VIRTUAL_CSS_BUS(obj) \
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OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
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/* virtio-scsi-ccw */
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#define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw"
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#define VIRTIO_SCSI_CCW(obj) \
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OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW)
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typedef struct VirtIOSCSICcw {
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VirtioCcwDevice parent_obj;
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VirtIOSCSI vdev;
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} VirtIOSCSICcw;
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#ifdef CONFIG_VHOST_SCSI
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/* vhost-scsi-ccw */
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#define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw"
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#define VHOST_SCSI_CCW(obj) \
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OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW)
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typedef struct VHostSCSICcw {
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VirtioCcwDevice parent_obj;
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VHostSCSI vdev;
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} VHostSCSICcw;
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#endif
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/* virtio-blk-ccw */
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#define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw"
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#define VIRTIO_BLK_CCW(obj) \
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OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW)
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typedef struct VirtIOBlkCcw {
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VirtioCcwDevice parent_obj;
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VirtIOBlock vdev;
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} VirtIOBlkCcw;
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/* virtio-balloon-ccw */
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#define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw"
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#define VIRTIO_BALLOON_CCW(obj) \
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OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW)
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typedef struct VirtIOBalloonCcw {
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VirtioCcwDevice parent_obj;
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VirtIOBalloon vdev;
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} VirtIOBalloonCcw;
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/* virtio-serial-ccw */
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#define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw"
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#define VIRTIO_SERIAL_CCW(obj) \
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OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW)
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typedef struct VirtioSerialCcw {
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VirtioCcwDevice parent_obj;
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VirtIOSerial vdev;
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} VirtioSerialCcw;
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/* virtio-net-ccw */
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#define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
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#define VIRTIO_NET_CCW(obj) \
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OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW)
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typedef struct VirtIONetCcw {
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VirtioCcwDevice parent_obj;
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VirtIONet vdev;
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} VirtIONetCcw;
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/* virtio-rng-ccw */
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#define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw"
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#define VIRTIO_RNG_CCW(obj) \
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OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW)
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typedef struct VirtIORNGCcw {
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VirtioCcwDevice parent_obj;
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VirtIORNG vdev;
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} VirtIORNGCcw;
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VirtualCssBus *virtual_css_bus_init(void);
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void virtio_ccw_device_update_status(SubchDev *sch);
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VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
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#ifdef CONFIG_VIRTFS
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#include "hw/9pfs/virtio-9p.h"
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#define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
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#define VIRTIO_9P_CCW(obj) \
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OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
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typedef struct V9fsCCWState {
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VirtioCcwDevice parent_obj;
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V9fsVirtioState vdev;
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} V9fsCCWState;
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#endif /* CONFIG_VIRTFS */
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#endif
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