diff options
Diffstat (limited to 'qemu/hw/s390x/s390-virtio-bus.c')
| -rw-r--r-- | qemu/hw/s390x/s390-virtio-bus.c | 763 |
1 files changed, 0 insertions, 763 deletions
diff --git a/qemu/hw/s390x/s390-virtio-bus.c b/qemu/hw/s390x/s390-virtio-bus.c deleted file mode 100644 index 77aec8a5b..000000000 --- a/qemu/hw/s390x/s390-virtio-bus.c +++ /dev/null @@ -1,763 +0,0 @@ -/* - * 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 "sysemu/block-backend.h" -#include "sysemu/sysemu.h" -#include "hw/boards.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 - -#define VIRTIO_S390_QUEUE_MAX 64 - -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; - address_space_stw(&address_space_memory, idx_addr, 0, - MEMTXATTRS_UNSPECIFIED, NULL); - idx_addr = virtio_queue_get_avail_addr(dev->vdev, i) + - virtio_queue_get_avail_size(dev->vdev, i); - address_space_stw(&address_space_memory, idx_addr, 0, - MEMTXATTRS_UNSPECIFIED, NULL); - idx_addr = virtio_queue_get_used_addr(dev->vdev, i) + - VIRTIO_VRING_USED_IDX_OFFS; - address_space_stw(&address_space_memory, idx_addr, 0, - MEMTXATTRS_UNSPECIFIED, NULL); - idx_addr = virtio_queue_get_used_addr(dev->vdev, i) + - virtio_queue_get_used_size(dev->vdev, i); - address_space_stw(&address_space_memory, idx_addr, 0, - MEMTXATTRS_UNSPECIFIED, NULL); - } -} - -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 */ - qbus_set_hotplug_handler(_bus, dev, &error_abort); - - /* 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 void 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; - - s390_virtio_device_sync(dev); - s390_virtio_reset_idx(dev); - if (dev->qdev.hotplugged) { - s390_virtio_irq(VIRTIO_PARAM_DEV_ADD, dev->dev_offs); - } -} - -static void s390_virtio_net_realize(VirtIOS390Device *s390_dev, Error **errp) -{ - DeviceState *qdev = DEVICE(s390_dev); - VirtIONetS390 *dev = VIRTIO_NET_S390(s390_dev); - DeviceState *vdev = DEVICE(&dev->vdev); - Error *err = NULL; - - virtio_net_set_netclient_name(&dev->vdev, qdev->id, - object_get_typename(OBJECT(qdev))); - qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); - object_property_set_bool(OBJECT(vdev), true, "realized", &err); - if (err) { - error_propagate(errp, err); - 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); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VIRTIO_NET); - object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), - "bootindex", &error_abort); -} - -static void s390_virtio_blk_realize(VirtIOS390Device *s390_dev, Error **errp) -{ - VirtIOBlkS390 *dev = VIRTIO_BLK_S390(s390_dev); - DeviceState *vdev = DEVICE(&dev->vdev); - Error *err = NULL; - - qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); - object_property_set_bool(OBJECT(vdev), true, "realized", &err); - if (err) { - error_propagate(errp, err); - 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); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VIRTIO_BLK); - object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", - &error_abort); - object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), - "bootindex", &error_abort); -} - -static void s390_virtio_serial_realize(VirtIOS390Device *s390_dev, Error **errp) -{ - VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(s390_dev); - DeviceState *vdev = DEVICE(&dev->vdev); - DeviceState *qdev = DEVICE(s390_dev); - Error *err = NULL; - VirtIOS390Bus *bus; - 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)); - object_property_set_bool(OBJECT(vdev), true, "realized", &err); - if (err) { - error_propagate(errp, err); - return; - } - - s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); - bus->console = s390_dev; -} - -static void s390_virtio_serial_instance_init(Object *obj) -{ - VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VIRTIO_SERIAL); -} - -static void s390_virtio_scsi_realize(VirtIOS390Device *s390_dev, Error **errp) -{ - VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev); - DeviceState *vdev = DEVICE(&dev->vdev); - DeviceState *qdev = DEVICE(s390_dev); - Error *err = NULL; - 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)); - object_property_set_bool(OBJECT(vdev), true, "realized", &err); - if (err) { - error_propagate(errp, err); - 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); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VIRTIO_SCSI); -} - -#ifdef CONFIG_VHOST_SCSI -static void s390_vhost_scsi_realize(VirtIOS390Device *s390_dev, Error **errp) -{ - VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev); - DeviceState *vdev = DEVICE(&dev->vdev); - Error *err = NULL; - - qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); - object_property_set_bool(OBJECT(vdev), true, "realized", &err); - if (err) { - error_propagate(errp, err); - 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); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VHOST_SCSI); -} -#endif - - -static void s390_virtio_rng_realize(VirtIOS390Device *s390_dev, Error **errp) -{ - VirtIORNGS390 *dev = VIRTIO_RNG_S390(s390_dev); - DeviceState *vdev = DEVICE(&dev->vdev); - Error *err = NULL; - - qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); - object_property_set_bool(OBJECT(vdev), true, "realized", &err); - if (err) { - error_propagate(errp, err); - return; - } - - object_property_set_link(OBJECT(dev), - OBJECT(dev->vdev.conf.rng), "rng", - NULL); - - s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); -} - -static void s390_virtio_rng_instance_init(Object *obj) -{ - VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj); - - virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), - TYPE_VIRTIO_RNG); - object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), - "rng", &error_abort); -} - -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 address_space_ldq_be(&address_space_memory, token_off, - MEMTXATTRS_UNSPECIFIED, NULL); -} - -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_S390_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 */ - address_space_stb(&address_space_memory, - dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, - dev->vdev->device_id, - MEMTXATTRS_UNSPECIFIED, - NULL); - - address_space_stb(&address_space_memory, - dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, - s390_virtio_device_num_vq(dev), - MEMTXATTRS_UNSPECIFIED, - NULL); - address_space_stb(&address_space_memory, - dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, - dev->feat_len, - MEMTXATTRS_UNSPECIFIED, - NULL); - - address_space_stb(&address_space_memory, - dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, - dev->vdev->config_len, - MEMTXATTRS_UNSPECIFIED, - NULL); - - num_vq = s390_virtio_device_num_vq(dev); - address_space_stb(&address_space_memory, - dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq, - MEMTXATTRS_UNSPECIFIED, NULL); - - /* 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); - address_space_stq_be(&address_space_memory, - vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring, - MEMTXATTRS_UNSPECIFIED, NULL); - address_space_stw_be(&address_space_memory, - vq + VIRTIO_VQCONFIG_OFFS_NUM, - virtio_queue_get_num(dev->vdev, i), - MEMTXATTRS_UNSPECIFIED, - NULL); - } - - cur_offs = dev->dev_offs; - cur_offs += VIRTIO_DEV_OFFS_CONFIG; - cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; - - /* Sync feature bitmap */ - address_space_stl_le(&address_space_memory, cur_offs, - dev->vdev->host_features, - MEMTXATTRS_UNSPECIFIED, NULL); - - 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, - address_space_ldub(&address_space_memory, - dev->dev_offs + VIRTIO_DEV_OFFS_STATUS, - MEMTXATTRS_UNSPECIFIED, NULL)); - - /* Update guest supported feature bitmap */ - - features = bswap32(address_space_ldl_be(&address_space_memory, - dev->feat_offs, - MEMTXATTRS_UNSPECIFIED, NULL)); - virtio_set_features(vdev, features); -} - -/* 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_S390_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 void virtio_s390_device_plugged(DeviceState *d, Error **errp) -{ - VirtIOS390Device *dev = to_virtio_s390_device(d); - VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); - int n = virtio_get_num_queues(vdev); - - if (n > VIRTIO_S390_QUEUE_MAX) { - error_setg(errp, "The nubmer of virtqueues %d " - "exceeds s390 limit %d", n, - VIRTIO_S390_QUEUE_MAX); - } -} - -/**************** S390 Virtio Bus Device Descriptions *******************/ - -static void s390_virtio_net_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); - - k->realize = s390_virtio_net_realize; - set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); -} - -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); - DeviceClass *dc = DEVICE_CLASS(klass); - - k->realize = s390_virtio_blk_realize; - set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); -} - -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_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->realize = s390_virtio_serial_realize; - dc->props = s390_virtio_serial_properties; - set_bit(DEVICE_CATEGORY_INPUT, dc->categories); -} - -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 void s390_virtio_rng_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); - - k->realize = s390_virtio_rng_realize; - set_bit(DEVICE_CATEGORY_MISC, dc->categories); -} - -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 void s390_virtio_busdev_realize(DeviceState *dev, Error **errp) -{ - VirtIOS390Device *_dev = (VirtIOS390Device *)dev; - VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev); - - virtio_s390_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); - - _info->realize(_dev, errp); -} - -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->realize = s390_virtio_busdev_realize; - dc->bus_type = TYPE_S390_VIRTIO_BUS; - 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 void s390_virtio_scsi_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); - - k->realize = s390_virtio_scsi_realize; - set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); -} - -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 void s390_vhost_scsi_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); - - k->realize = s390_vhost_scsi_realize; - set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); -} - -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); - DeviceClass *dc = DEVICE_CLASS(klass); - - k->init = s390_virtio_bridge_init; - set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); -} - -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, - .interfaces = (InterfaceInfo[]) { - { TYPE_HOTPLUG_HANDLER }, - { } - } -}; - -/* virtio-s390-bus */ - -static void virtio_s390_bus_new(VirtioBusState *bus, size_t bus_size, - VirtIOS390Device *dev) -{ - DeviceState *qdev = DEVICE(dev); - char virtio_bus_name[] = "virtio-bus"; - - qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_S390_BUS, - qdev, virtio_bus_name); -} - -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->device_plugged = virtio_s390_device_plugged; -} - -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) |