| /* |
| * 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 "qom/object.h" |
| #include "hw/virtio/virtio-bus.h" |
| #include "hw/s390x/s390_flic.h" |
| #include "hw/s390x/css.h" |
| #include "ccw-device.h" |
| #include "hw/s390x/css-bridge.h" |
| |
| #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_READ_STATUS 0x72 |
| #define CCW_CMD_SET_IND_ADAPTER 0x73 |
| #define CCW_CMD_SET_VIRTIO_REV 0x83 |
| |
| #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device" |
| OBJECT_DECLARE_TYPE(VirtioCcwDevice, VirtIOCCWDeviceClass, VIRTIO_CCW_DEVICE) |
| |
| typedef struct VirtioBusState VirtioCcwBusState; |
| typedef struct VirtioBusClass VirtioCcwBusClass; |
| |
| #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus" |
| DECLARE_OBJ_CHECKERS(VirtioCcwBusState, VirtioCcwBusClass, |
| VIRTIO_CCW_BUS, TYPE_VIRTIO_CCW_BUS) |
| |
| /* |
| * modules can reference this symbol to avoid being loaded |
| * into system emulators without ccw support |
| */ |
| extern bool have_virtio_ccw; |
| |
| struct VirtIOCCWDeviceClass { |
| CCWDeviceClass parent_class; |
| void (*realize)(VirtioCcwDevice *dev, Error **errp); |
| void (*unrealize)(VirtioCcwDevice *dev); |
| void (*parent_reset)(DeviceState *dev); |
| }; |
| |
| /* 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 { |
| CcwDevice parent_obj; |
| int revision; |
| uint32_t max_rev; |
| VirtioBusState bus; |
| uint32_t flags; |
| uint8_t thinint_isc; |
| AdapterRoutes routes; |
| /* Guest provided values: */ |
| IndAddr *indicators; |
| IndAddr *indicators2; |
| IndAddr *summary_indicator; |
| uint64_t ind_bit; |
| bool force_revision_1; |
| }; |
| |
| /* The maximum virtio revision we support. */ |
| #define VIRTIO_CCW_MAX_REV 2 |
| static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev) |
| { |
| return dev->max_rev; |
| } |
| |
| VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch); |
| |
| #endif |