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Diffstat (limited to 'src/hw/s390x/virtio-ccw.h')
| -rw-r--r-- | src/hw/s390x/virtio-ccw.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/hw/s390x/virtio-ccw.h b/src/hw/s390x/virtio-ccw.h new file mode 100644 index 0000000..7ab8367 --- /dev/null +++ b/src/hw/s390x/virtio-ccw.h @@ -0,0 +1,218 @@ +/* + * virtio ccw target definitions + * + * Copyright 2012,2015 IBM Corp. + * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> + * Pierre Morel <pmorel@linux.vnet.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> +#include <hw/s390x/s390_flic.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 CCW_CMD_SET_IND_ADAPTER 0x73 +#define CCW_CMD_SET_VIRTIO_REV 0x83 + +#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; + void (*realize)(VirtioCcwDevice *dev, Error **errp); + int (*exit)(VirtioCcwDevice *dev); +} VirtIOCCWDeviceClass; + +/* 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) + +typedef struct IndAddr { + hwaddr addr; + uint64_t map; + unsigned long refcnt; + int len; + QTAILQ_ENTRY(IndAddr) sibling; +} IndAddr; + +struct VirtioCcwDevice { + DeviceState parent_obj; + SubchDev *sch; + char *bus_id; + int revision; + uint32_t max_rev; + VirtioBusState bus; + bool ioeventfd_started; + bool ioeventfd_disabled; + uint32_t flags; + uint8_t thinint_isc; + AdapterRoutes routes; + /* Guest provided values: */ + IndAddr *indicators; + IndAddr *indicators2; + IndAddr *summary_indicator; + uint64_t ind_bit; +}; + +/* The maximum virtio revision we support. */ +#define VIRTIO_CCW_MAX_REV 1 +static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev) +{ + return dev->max_rev; +} + +/* 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; +} 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); + +#ifdef CONFIG_VIRTFS +#include "hw/9pfs/virtio-9p.h" + +#define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw" +#define VIRTIO_9P_CCW(obj) \ + OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW) + +typedef struct V9fsCCWState { + VirtioCcwDevice parent_obj; + V9fsState vdev; +} V9fsCCWState; + +#endif /* CONFIG_VIRTFS */ + +#endif |
