| /* |
| * QEMU S390 virtio target |
| * |
| * 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/>. |
| */ |
| |
| #include "hw/hw.h" |
| #include "block/block.h" |
| #include "sysemu/sysemu.h" |
| #include "hw/boards.h" |
| #include "monitor/monitor.h" |
| #include "hw/loader.h" |
| #include "elf.h" |
| #include "hw/virtio/virtio.h" |
| #include "hw/virtio/virtio-rng.h" |
| #include "hw/virtio/virtio-serial.h" |
| #include "hw/virtio/virtio-net.h" |
| #include "hw/virtio/vhost-scsi.h" |
| #include "hw/sysbus.h" |
| #include "sysemu/kvm.h" |
| |
| #include "hw/s390x/s390-virtio-bus.h" |
| #include "hw/virtio/virtio-bus.h" |
| |
| /* #define DEBUG_S390 */ |
| |
| #ifdef DEBUG_S390 |
| #define DPRINTF(fmt, ...) \ |
| do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
| #else |
| #define DPRINTF(fmt, ...) \ |
| do { } while (0) |
| #endif |
| |
| static void virtio_s390_bus_new(VirtioBusState *bus, size_t bus_size, |
| VirtIOS390Device *dev); |
| |
| static const TypeInfo s390_virtio_bus_info = { |
| .name = TYPE_S390_VIRTIO_BUS, |
| .parent = TYPE_BUS, |
| .instance_size = sizeof(VirtIOS390Bus), |
| }; |
| |
| static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev); |
| |
| /* length of VirtIO device pages */ |
| const hwaddr virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE; |
| |
| static void s390_virtio_bus_reset(void *opaque) |
| { |
| VirtIOS390Bus *bus = opaque; |
| bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
| } |
| |
| void s390_virtio_reset_idx(VirtIOS390Device *dev) |
| { |
| int i; |
| hwaddr idx_addr; |
| uint8_t num_vq; |
| |
| num_vq = s390_virtio_device_num_vq(dev); |
| for (i = 0; i < num_vq; i++) { |
| idx_addr = virtio_queue_get_avail_addr(dev->vdev, i) + |
| VIRTIO_VRING_AVAIL_IDX_OFFS; |
| stw_phys(&address_space_memory, idx_addr, 0); |
| idx_addr = virtio_queue_get_used_addr(dev->vdev, i) + |
| VIRTIO_VRING_USED_IDX_OFFS; |
| stw_phys(&address_space_memory, idx_addr, 0); |
| } |
| } |
| |
| VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size) |
| { |
| VirtIOS390Bus *bus; |
| BusState *_bus; |
| DeviceState *dev; |
| |
| /* Create bridge device */ |
| dev = qdev_create(NULL, "s390-virtio-bridge"); |
| qdev_init_nofail(dev); |
| |
| /* Create bus on bridge device */ |
| |
| _bus = qbus_create(TYPE_S390_VIRTIO_BUS, dev, "s390-virtio"); |
| bus = DO_UPCAST(VirtIOS390Bus, bus, _bus); |
| |
| bus->dev_page = *ram_size; |
| bus->dev_offs = bus->dev_page; |
| bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
| |
| /* Enable hotplugging */ |
| _bus->allow_hotplug = 1; |
| |
| /* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */ |
| *ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE; |
| |
| qemu_register_reset(s390_virtio_bus_reset, bus); |
| return bus; |
| } |
| |
| static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) |
| { |
| VirtIOS390Bus *bus; |
| int dev_len; |
| |
| bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
| dev->vdev = vdev; |
| dev->dev_offs = bus->dev_offs; |
| dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */ |
| |
| dev_len = VIRTIO_DEV_OFFS_CONFIG; |
| dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN; |
| dev_len += dev->feat_len * 2; |
| dev_len += virtio_bus_get_vdev_config_len(&dev->bus); |
| |
| bus->dev_offs += dev_len; |
| |
| dev->host_features = virtio_bus_get_vdev_features(&dev->bus, |
| dev->host_features); |
| s390_virtio_device_sync(dev); |
| s390_virtio_reset_idx(dev); |
| if (dev->qdev.hotplugged) { |
| s390_virtio_irq(VIRTIO_PARAM_DEV_ADD, dev->dev_offs); |
| } |
| |
| return 0; |
| } |
| |
| static int s390_virtio_net_init(VirtIOS390Device *s390_dev) |
| { |
| DeviceState *qdev = DEVICE(s390_dev); |
| VirtIONetS390 *dev = VIRTIO_NET_S390(s390_dev); |
| DeviceState *vdev = DEVICE(&dev->vdev); |
| |
| virtio_net_set_config_size(&dev->vdev, s390_dev->host_features); |
| virtio_net_set_netclient_name(&dev->vdev, qdev->id, |
| object_get_typename(OBJECT(qdev))); |
| qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
| if (qdev_init(vdev) < 0) { |
| return -1; |
| } |
| |
| return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
| } |
| |
| static void s390_virtio_net_instance_init(Object *obj) |
| { |
| VirtIONetS390 *dev = VIRTIO_NET_S390(obj); |
| object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_NET); |
| object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
| } |
| |
| static int s390_virtio_blk_init(VirtIOS390Device *s390_dev) |
| { |
| VirtIOBlkS390 *dev = VIRTIO_BLK_S390(s390_dev); |
| DeviceState *vdev = DEVICE(&dev->vdev); |
| qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
| if (qdev_init(vdev) < 0) { |
| return -1; |
| } |
| return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
| } |
| |
| static void s390_virtio_blk_instance_init(Object *obj) |
| { |
| VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj); |
| object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BLK); |
| object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
| object_unref(OBJECT(&dev->vdev)); |
| qdev_alias_all_properties(DEVICE(&dev->vdev), obj); |
| object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", |
| &error_abort); |
| } |
| |
| static int s390_virtio_serial_init(VirtIOS390Device *s390_dev) |
| { |
| VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(s390_dev); |
| DeviceState *vdev = DEVICE(&dev->vdev); |
| DeviceState *qdev = DEVICE(s390_dev); |
| VirtIOS390Bus *bus; |
| int r; |
| char *bus_name; |
| |
| bus = DO_UPCAST(VirtIOS390Bus, bus, qdev->parent_bus); |
| |
| /* |
| * For command line compatibility, this sets the virtio-serial-device bus |
| * name as before. |
| */ |
| if (qdev->id) { |
| bus_name = g_strdup_printf("%s.0", qdev->id); |
| virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); |
| g_free(bus_name); |
| } |
| |
| qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
| if (qdev_init(vdev) < 0) { |
| return -1; |
| } |
| |
| r = s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
| if (!r) { |
| bus->console = s390_dev; |
| } |
| |
| return r; |
| } |
| |
| static void s390_virtio_serial_instance_init(Object *obj) |
| { |
| VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj); |
| object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL); |
| object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
| } |
| |
| static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev) |
| { |
| VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev); |
| DeviceState *vdev = DEVICE(&dev->vdev); |
| DeviceState *qdev = DEVICE(s390_dev); |
| char *bus_name; |
| |
| /* |
| * For command line compatibility, this sets the virtio-scsi-device bus |
| * name as before. |
| */ |
| if (qdev->id) { |
| bus_name = g_strdup_printf("%s.0", qdev->id); |
| virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); |
| g_free(bus_name); |
| } |
| |
| qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
| if (qdev_init(vdev) < 0) { |
| return -1; |
| } |
| |
| return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
| } |
| |
| static void s390_virtio_scsi_instance_init(Object *obj) |
| { |
| VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj); |
| object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI); |
| object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
| } |
| |
| #ifdef CONFIG_VHOST_SCSI |
| static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev) |
| { |
| VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev); |
| DeviceState *vdev = DEVICE(&dev->vdev); |
| |
| qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
| if (qdev_init(vdev) < 0) { |
| return -1; |
| } |
| |
| return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
| } |
| |
| static void s390_vhost_scsi_instance_init(Object *obj) |
| { |
| VHostSCSIS390 *dev = VHOST_SCSI_S390(obj); |
| object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI); |
| object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
| } |
| #endif |
| |
| |
| static int s390_virtio_rng_init(VirtIOS390Device *s390_dev) |
| { |
| VirtIORNGS390 *dev = VIRTIO_RNG_S390(s390_dev); |
| DeviceState *vdev = DEVICE(&dev->vdev); |
| |
| qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
| if (qdev_init(vdev) < 0) { |
| return -1; |
| } |
| |
| object_property_set_link(OBJECT(dev), |
| OBJECT(dev->vdev.conf.rng), "rng", |
| NULL); |
| |
| return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
| } |
| |
| static void s390_virtio_rng_instance_init(Object *obj) |
| { |
| VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj); |
| object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG); |
| object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
| object_property_add_link(obj, "rng", TYPE_RNG_BACKEND, |
| (Object **)&dev->vdev.conf.rng, |
| qdev_prop_allow_set_link_before_realize, |
| OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL); |
| } |
| |
| static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq) |
| { |
| ram_addr_t token_off; |
| |
| token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
| (vq * VIRTIO_VQCONFIG_LEN) + |
| VIRTIO_VQCONFIG_OFFS_TOKEN; |
| |
| return ldq_be_phys(&address_space_memory, token_off); |
| } |
| |
| static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev) |
| { |
| VirtIODevice *vdev = dev->vdev; |
| int num_vq; |
| |
| for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) { |
| if (!virtio_queue_get_num(vdev, num_vq)) { |
| break; |
| } |
| } |
| |
| return num_vq; |
| } |
| |
| static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus) |
| { |
| ram_addr_t r = bus->next_ring; |
| |
| bus->next_ring += VIRTIO_RING_LEN; |
| return r; |
| } |
| |
| void s390_virtio_device_sync(VirtIOS390Device *dev) |
| { |
| VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
| ram_addr_t cur_offs; |
| uint8_t num_vq; |
| int i; |
| |
| virtio_reset(dev->vdev); |
| |
| /* Sync dev space */ |
| stb_phys(&address_space_memory, |
| dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id); |
| |
| stb_phys(&address_space_memory, |
| dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, |
| s390_virtio_device_num_vq(dev)); |
| stb_phys(&address_space_memory, |
| dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len); |
| |
| stb_phys(&address_space_memory, |
| dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len); |
| |
| num_vq = s390_virtio_device_num_vq(dev); |
| stb_phys(&address_space_memory, |
| dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq); |
| |
| /* Sync virtqueues */ |
| for (i = 0; i < num_vq; i++) { |
| ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
| (i * VIRTIO_VQCONFIG_LEN); |
| ram_addr_t vring; |
| |
| vring = s390_virtio_next_ring(bus); |
| virtio_queue_set_addr(dev->vdev, i, vring); |
| virtio_queue_set_vector(dev->vdev, i, i); |
| stq_be_phys(&address_space_memory, |
| vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring); |
| stw_be_phys(&address_space_memory, |
| vq + VIRTIO_VQCONFIG_OFFS_NUM, |
| virtio_queue_get_num(dev->vdev, i)); |
| } |
| |
| cur_offs = dev->dev_offs; |
| cur_offs += VIRTIO_DEV_OFFS_CONFIG; |
| cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; |
| |
| /* Sync feature bitmap */ |
| stl_le_phys(&address_space_memory, cur_offs, dev->host_features); |
| |
| dev->feat_offs = cur_offs + dev->feat_len; |
| cur_offs += dev->feat_len * 2; |
| |
| /* Sync config space */ |
| virtio_bus_get_vdev_config(&dev->bus, dev->vdev->config); |
| |
| cpu_physical_memory_write(cur_offs, |
| dev->vdev->config, dev->vdev->config_len); |
| cur_offs += dev->vdev->config_len; |
| } |
| |
| void s390_virtio_device_update_status(VirtIOS390Device *dev) |
| { |
| VirtIODevice *vdev = dev->vdev; |
| uint32_t features; |
| |
| virtio_set_status(vdev, ldub_phys(&address_space_memory, |
| dev->dev_offs + VIRTIO_DEV_OFFS_STATUS)); |
| |
| /* Update guest supported feature bitmap */ |
| |
| features = bswap32(ldl_be_phys(&address_space_memory, dev->feat_offs)); |
| virtio_set_features(vdev, features); |
| } |
| |
| VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus) |
| { |
| return bus->console; |
| } |
| |
| /* Find a device by vring address */ |
| VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, |
| ram_addr_t mem, |
| int *vq_num) |
| { |
| BusChild *kid; |
| int i; |
| |
| QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
| VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; |
| |
| for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { |
| if (!virtio_queue_get_addr(dev->vdev, i)) |
| break; |
| if (virtio_queue_get_addr(dev->vdev, i) == mem) { |
| if (vq_num) { |
| *vq_num = i; |
| } |
| return dev; |
| } |
| } |
| } |
| |
| return NULL; |
| } |
| |
| /* Find a device by device descriptor location */ |
| VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) |
| { |
| BusChild *kid; |
| |
| QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
| VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; |
| if (dev->dev_offs == mem) { |
| return dev; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| /* DeviceState to VirtIOS390Device. Note: used on datapath, |
| * be careful and test performance if you change this. |
| */ |
| static inline VirtIOS390Device *to_virtio_s390_device_fast(DeviceState *d) |
| { |
| return container_of(d, VirtIOS390Device, qdev); |
| } |
| |
| /* DeviceState to VirtIOS390Device. TODO: use QOM. */ |
| static inline VirtIOS390Device *to_virtio_s390_device(DeviceState *d) |
| { |
| return container_of(d, VirtIOS390Device, qdev); |
| } |
| |
| static void virtio_s390_notify(DeviceState *d, uint16_t vector) |
| { |
| VirtIOS390Device *dev = to_virtio_s390_device_fast(d); |
| uint64_t token = s390_virtio_device_vq_token(dev, vector); |
| |
| s390_virtio_irq(0, token); |
| } |
| |
| static unsigned virtio_s390_get_features(DeviceState *d) |
| { |
| VirtIOS390Device *dev = to_virtio_s390_device(d); |
| return dev->host_features; |
| } |
| |
| /**************** S390 Virtio Bus Device Descriptions *******************/ |
| |
| static Property s390_virtio_net_properties[] = { |
| DEFINE_NIC_PROPERTIES(VirtIONetS390, vdev.nic_conf), |
| DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
| DEFINE_VIRTIO_NET_FEATURES(VirtIOS390Device, host_features), |
| DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetS390, vdev.net_conf), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void s390_virtio_net_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
| |
| k->init = s390_virtio_net_init; |
| dc->props = s390_virtio_net_properties; |
| } |
| |
| static const TypeInfo s390_virtio_net = { |
| .name = TYPE_VIRTIO_NET_S390, |
| .parent = TYPE_VIRTIO_S390_DEVICE, |
| .instance_size = sizeof(VirtIONetS390), |
| .instance_init = s390_virtio_net_instance_init, |
| .class_init = s390_virtio_net_class_init, |
| }; |
| |
| static void s390_virtio_blk_class_init(ObjectClass *klass, void *data) |
| { |
| VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
| |
| k->init = s390_virtio_blk_init; |
| } |
| |
| static const TypeInfo s390_virtio_blk = { |
| .name = "virtio-blk-s390", |
| .parent = TYPE_VIRTIO_S390_DEVICE, |
| .instance_size = sizeof(VirtIOBlkS390), |
| .instance_init = s390_virtio_blk_instance_init, |
| .class_init = s390_virtio_blk_class_init, |
| }; |
| |
| static Property s390_virtio_serial_properties[] = { |
| DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void s390_virtio_serial_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
| |
| k->init = s390_virtio_serial_init; |
| dc->props = s390_virtio_serial_properties; |
| } |
| |
| static const TypeInfo s390_virtio_serial = { |
| .name = TYPE_VIRTIO_SERIAL_S390, |
| .parent = TYPE_VIRTIO_S390_DEVICE, |
| .instance_size = sizeof(VirtIOSerialS390), |
| .instance_init = s390_virtio_serial_instance_init, |
| .class_init = s390_virtio_serial_class_init, |
| }; |
| |
| static Property s390_virtio_rng_properties[] = { |
| DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
| DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGS390, vdev.conf), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void s390_virtio_rng_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
| |
| k->init = s390_virtio_rng_init; |
| dc->props = s390_virtio_rng_properties; |
| } |
| |
| static const TypeInfo s390_virtio_rng = { |
| .name = TYPE_VIRTIO_RNG_S390, |
| .parent = TYPE_VIRTIO_S390_DEVICE, |
| .instance_size = sizeof(VirtIORNGS390), |
| .instance_init = s390_virtio_rng_instance_init, |
| .class_init = s390_virtio_rng_class_init, |
| }; |
| |
| static int s390_virtio_busdev_init(DeviceState *dev) |
| { |
| VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
| VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev); |
| |
| virtio_s390_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); |
| |
| return _info->init(_dev); |
| } |
| |
| static void s390_virtio_busdev_reset(DeviceState *dev) |
| { |
| VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
| |
| virtio_reset(_dev->vdev); |
| } |
| |
| static void virtio_s390_device_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| |
| dc->init = s390_virtio_busdev_init; |
| dc->bus_type = TYPE_S390_VIRTIO_BUS; |
| dc->unplug = qdev_simple_unplug_cb; |
| dc->reset = s390_virtio_busdev_reset; |
| } |
| |
| static const TypeInfo virtio_s390_device_info = { |
| .name = TYPE_VIRTIO_S390_DEVICE, |
| .parent = TYPE_DEVICE, |
| .instance_size = sizeof(VirtIOS390Device), |
| .class_init = virtio_s390_device_class_init, |
| .class_size = sizeof(VirtIOS390DeviceClass), |
| .abstract = true, |
| }; |
| |
| static Property s390_virtio_scsi_properties[] = { |
| DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf), |
| DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
| DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void s390_virtio_scsi_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
| |
| k->init = s390_virtio_scsi_init; |
| dc->props = s390_virtio_scsi_properties; |
| } |
| |
| static const TypeInfo s390_virtio_scsi = { |
| .name = TYPE_VIRTIO_SCSI_S390, |
| .parent = TYPE_VIRTIO_S390_DEVICE, |
| .instance_size = sizeof(VirtIOSCSIS390), |
| .instance_init = s390_virtio_scsi_instance_init, |
| .class_init = s390_virtio_scsi_class_init, |
| }; |
| |
| #ifdef CONFIG_VHOST_SCSI |
| static Property s390_vhost_scsi_properties[] = { |
| DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
| DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void s390_vhost_scsi_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
| |
| k->init = s390_vhost_scsi_init; |
| dc->props = s390_vhost_scsi_properties; |
| } |
| |
| static const TypeInfo s390_vhost_scsi = { |
| .name = TYPE_VHOST_SCSI_S390, |
| .parent = TYPE_VIRTIO_S390_DEVICE, |
| .instance_size = sizeof(VHostSCSIS390), |
| .instance_init = s390_vhost_scsi_instance_init, |
| .class_init = s390_vhost_scsi_class_init, |
| }; |
| #endif |
| |
| /***************** S390 Virtio Bus Bridge Device *******************/ |
| /* Only required to have the virtio bus as child in the system bus */ |
| |
| static int s390_virtio_bridge_init(SysBusDevice *dev) |
| { |
| /* nothing */ |
| return 0; |
| } |
| |
| static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data) |
| { |
| SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
| |
| k->init = s390_virtio_bridge_init; |
| } |
| |
| static const TypeInfo s390_virtio_bridge_info = { |
| .name = "s390-virtio-bridge", |
| .parent = TYPE_SYS_BUS_DEVICE, |
| .instance_size = sizeof(SysBusDevice), |
| .class_init = s390_virtio_bridge_class_init, |
| }; |
| |
| /* virtio-s390-bus */ |
| |
| static void virtio_s390_bus_new(VirtioBusState *bus, size_t bus_size, |
| VirtIOS390Device *dev) |
| { |
| DeviceState *qdev = DEVICE(dev); |
| BusState *qbus; |
| char virtio_bus_name[] = "virtio-bus"; |
| |
| qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_S390_BUS, |
| qdev, virtio_bus_name); |
| qbus = BUS(bus); |
| qbus->allow_hotplug = 1; |
| } |
| |
| static void virtio_s390_bus_class_init(ObjectClass *klass, void *data) |
| { |
| VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); |
| BusClass *bus_class = BUS_CLASS(klass); |
| bus_class->max_dev = 1; |
| k->notify = virtio_s390_notify; |
| k->get_features = virtio_s390_get_features; |
| } |
| |
| static const TypeInfo virtio_s390_bus_info = { |
| .name = TYPE_VIRTIO_S390_BUS, |
| .parent = TYPE_VIRTIO_BUS, |
| .instance_size = sizeof(VirtioS390BusState), |
| .class_init = virtio_s390_bus_class_init, |
| }; |
| |
| static void s390_virtio_register_types(void) |
| { |
| type_register_static(&virtio_s390_bus_info); |
| type_register_static(&s390_virtio_bus_info); |
| type_register_static(&virtio_s390_device_info); |
| type_register_static(&s390_virtio_serial); |
| type_register_static(&s390_virtio_blk); |
| type_register_static(&s390_virtio_net); |
| type_register_static(&s390_virtio_scsi); |
| #ifdef CONFIG_VHOST_SCSI |
| type_register_static(&s390_vhost_scsi); |
| #endif |
| type_register_static(&s390_virtio_rng); |
| type_register_static(&s390_virtio_bridge_info); |
| } |
| |
| type_init(s390_virtio_register_types) |