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-rw-r--r--qemu/hw/s390x/s390-virtio-bus.h186
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