diff options
Diffstat (limited to 'qemu/hw/s390x/s390-virtio-bus.h')
| -rw-r--r-- | qemu/hw/s390x/s390-virtio-bus.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/qemu/hw/s390x/s390-virtio-bus.h b/qemu/hw/s390x/s390-virtio-bus.h new file mode 100644 index 000000000..7ad295e68 --- /dev/null +++ b/qemu/hw/s390x/s390-virtio-bus.h @@ -0,0 +1,186 @@ +/* + * QEMU S390x VirtIO BUS definitions + * + * Copyright (c) 2009 Alexander Graf <agraf@suse.de> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ +#ifndef HW_S390_VIRTIO_BUS_H +#define HW_S390_VIRTIO_BUS_H 1 + +#include <stddef.h> + +#include "standard-headers/asm-s390/kvm_virtio.h" +#include "standard-headers/linux/virtio_ring.h" +#include "hw/virtio/virtio-blk.h" +#include "hw/virtio/virtio-net.h" +#include "hw/virtio/virtio-rng.h" +#include "hw/virtio/virtio-serial.h" +#include "hw/virtio/virtio-scsi.h" +#include "hw/virtio/virtio-bus.h" +#ifdef CONFIG_VHOST_SCSI +#include "hw/virtio/vhost-scsi.h" +#endif + +typedef struct kvm_device_desc KvmDeviceDesc; + +#define VIRTIO_DEV_OFFS_TYPE offsetof(KvmDeviceDesc, type) +#define VIRTIO_DEV_OFFS_NUM_VQ offsetof(KvmDeviceDesc, num_vq) +#define VIRTIO_DEV_OFFS_FEATURE_LEN offsetof(KvmDeviceDesc, feature_len) +#define VIRTIO_DEV_OFFS_CONFIG_LEN offsetof(KvmDeviceDesc, config_len) +#define VIRTIO_DEV_OFFS_STATUS offsetof(KvmDeviceDesc, status) +#define VIRTIO_DEV_OFFS_CONFIG offsetof(KvmDeviceDesc, config) + +typedef struct kvm_vqconfig KvmVqConfig; +#define VIRTIO_VQCONFIG_OFFS_TOKEN offsetof(KvmVqConfig,token) /* 64 bit */ +#define VIRTIO_VQCONFIG_OFFS_ADDRESS offsetof(KvmVqConfig, address) /* 64 bit */ +#define VIRTIO_VQCONFIG_OFFS_NUM offsetof(KvmVqConfig, num) /* 16 bit */ +#define VIRTIO_VQCONFIG_LEN sizeof(KvmVqConfig) + +#define VIRTIO_RING_LEN (TARGET_PAGE_SIZE * 3) +#define VIRTIO_VRING_AVAIL_IDX_OFFS offsetof(struct vring_avail, idx) +#define VIRTIO_VRING_USED_IDX_OFFS offsetof(struct vring_used, idx) +#define S390_DEVICE_PAGES 512 + +#define TYPE_VIRTIO_S390_DEVICE "virtio-s390-device" +#define VIRTIO_S390_DEVICE(obj) \ + OBJECT_CHECK(VirtIOS390Device, (obj), TYPE_VIRTIO_S390_DEVICE) +#define VIRTIO_S390_DEVICE_CLASS(klass) \ + OBJECT_CLASS_CHECK(VirtIOS390DeviceClass, (klass), TYPE_VIRTIO_S390_DEVICE) +#define VIRTIO_S390_DEVICE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VirtIOS390DeviceClass, (obj), TYPE_VIRTIO_S390_DEVICE) + +#define TYPE_S390_VIRTIO_BUS "s390-virtio-bus" +#define S390_VIRTIO_BUS(obj) \ + OBJECT_CHECK(VirtIOS390Bus, (obj), TYPE_S390_VIRTIO_BUS) + +/* virtio-s390-bus */ + +typedef struct VirtioBusState VirtioS390BusState; +typedef struct VirtioBusClass VirtioS390BusClass; + +#define TYPE_VIRTIO_S390_BUS "virtio-s390-bus" +#define VIRTIO_S390_BUS(obj) \ + OBJECT_CHECK(VirtioS390BusState, (obj), TYPE_VIRTIO_S390_BUS) +#define VIRTIO_S390_BUS_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VirtioS390BusClass, obj, TYPE_VIRTIO_S390_BUS) +#define VIRTIO_S390_BUS_CLASS(klass) \ + OBJECT_CLASS_CHECK(VirtioS390BusClass, klass, TYPE_VIRTIO_S390_BUS) + + +typedef struct VirtIOS390Device VirtIOS390Device; + +typedef struct VirtIOS390DeviceClass { + DeviceClass qdev; + void (*realize)(VirtIOS390Device *dev, Error **errp); +} VirtIOS390DeviceClass; + +struct VirtIOS390Device { + DeviceState qdev; + ram_addr_t dev_offs; + ram_addr_t feat_offs; + uint8_t feat_len; + VirtIODevice *vdev; + VirtioBusState bus; +}; + +typedef struct VirtIOS390Bus { + BusState bus; + + VirtIOS390Device *console; + ram_addr_t dev_page; + ram_addr_t dev_offs; + ram_addr_t next_ring; +} VirtIOS390Bus; + + +void s390_virtio_device_update_status(VirtIOS390Device *dev); + +VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size); + +VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, + ram_addr_t mem, int *vq_num); +VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem); +void s390_virtio_device_sync(VirtIOS390Device *dev); +void s390_virtio_reset_idx(VirtIOS390Device *dev); + +/* virtio-blk-s390 */ + +#define TYPE_VIRTIO_BLK_S390 "virtio-blk-s390" +#define VIRTIO_BLK_S390(obj) \ + OBJECT_CHECK(VirtIOBlkS390, (obj), TYPE_VIRTIO_BLK_S390) + +typedef struct VirtIOBlkS390 { + VirtIOS390Device parent_obj; + VirtIOBlock vdev; +} VirtIOBlkS390; + +/* virtio-scsi-s390 */ + +#define TYPE_VIRTIO_SCSI_S390 "virtio-scsi-s390" +#define VIRTIO_SCSI_S390(obj) \ + OBJECT_CHECK(VirtIOSCSIS390, (obj), TYPE_VIRTIO_SCSI_S390) + +typedef struct VirtIOSCSIS390 { + VirtIOS390Device parent_obj; + VirtIOSCSI vdev; +} VirtIOSCSIS390; + +/* virtio-serial-s390 */ + +#define TYPE_VIRTIO_SERIAL_S390 "virtio-serial-s390" +#define VIRTIO_SERIAL_S390(obj) \ + OBJECT_CHECK(VirtIOSerialS390, (obj), TYPE_VIRTIO_SERIAL_S390) + +typedef struct VirtIOSerialS390 { + VirtIOS390Device parent_obj; + VirtIOSerial vdev; +} VirtIOSerialS390; + +/* virtio-net-s390 */ + +#define TYPE_VIRTIO_NET_S390 "virtio-net-s390" +#define VIRTIO_NET_S390(obj) \ + OBJECT_CHECK(VirtIONetS390, (obj), TYPE_VIRTIO_NET_S390) + +typedef struct VirtIONetS390 { + VirtIOS390Device parent_obj; + VirtIONet vdev; +} VirtIONetS390; + +/* vhost-scsi-s390 */ + +#ifdef CONFIG_VHOST_SCSI +#define TYPE_VHOST_SCSI_S390 "vhost-scsi-s390" +#define VHOST_SCSI_S390(obj) \ + OBJECT_CHECK(VHostSCSIS390, (obj), TYPE_VHOST_SCSI_S390) + +typedef struct VHostSCSIS390 { + VirtIOS390Device parent_obj; + VHostSCSI vdev; +} VHostSCSIS390; +#endif + +/* virtio-rng-s390 */ + +#define TYPE_VIRTIO_RNG_S390 "virtio-rng-s390" +#define VIRTIO_RNG_S390(obj) \ + OBJECT_CHECK(VirtIORNGS390, (obj), TYPE_VIRTIO_RNG_S390) + +typedef struct VirtIORNGS390 { + VirtIOS390Device parent_obj; + VirtIORNG vdev; +} VirtIORNGS390; + +#endif |