do { } while (0)
#endif
-struct BusInfo s390_virtio_bus_info = {
- .name = "s390-virtio",
- .size = sizeof(VirtIOS390Bus),
-};
-
-typedef struct {
- DeviceInfo qdev;
- int (*init)(VirtIOS390Device *dev);
-} VirtIOS390DeviceInfo;
+#define VIRTIO_EXT_CODE 0x2603
+static const TypeInfo s390_virtio_bus_info = {
+ .name = TYPE_S390_VIRTIO_BUS,
+ .parent = TYPE_BUS,
+ .instance_size = sizeof(VirtIOS390Bus),
+};
static const VirtIOBindings virtio_s390_bindings;
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(idx_addr, 0);
+ idx_addr = virtio_queue_get_used_addr(dev->vdev, i) +
+ VIRTIO_VRING_USED_IDX_OFFS;
+ stw_phys(idx_addr, 0);
+ }
+}
+
VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
{
VirtIOS390Bus *bus;
/* Create bus on bridge device */
- _bus = qbus_create(&s390_virtio_bus_info, dev, "s390-virtio");
+ _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 void s390_virtio_irq(CPUS390XState *env, int config_change, uint64_t token)
+{
+ if (kvm_enabled()) {
+ kvm_s390_virtio_irq(env, config_change, token);
+ } else {
+ cpu_inject_ext(env, VIRTIO_EXT_CODE, config_change, token);
+ }
+}
+
static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev)
{
VirtIOS390Bus *bus;
virtio_bind_device(vdev, &virtio_s390_bindings, dev);
dev->host_features = vdev->get_features(vdev, dev->host_features);
s390_virtio_device_sync(dev);
+ s390_virtio_reset_idx(dev);
+ if (dev->qdev.hotplugged) {
+ S390CPU *cpu = s390_cpu_addr2state(0);
+ CPUS390XState *env = &cpu->env;
+ s390_virtio_irq(env, VIRTIO_PARAM_DEV_ADD, dev->dev_offs);
+ }
return 0;
}
{
VirtIODevice *vdev;
- vdev = virtio_blk_init((DeviceState *)dev, &dev->block);
+ vdev = virtio_blk_init((DeviceState *)dev, &dev->blk);
if (!vdev) {
return -1;
}
return r;
}
+static int s390_virtio_scsi_init(VirtIOS390Device *dev)
+{
+ VirtIODevice *vdev;
+
+ vdev = virtio_scsi_init((DeviceState *)dev, &dev->scsi);
+ if (!vdev) {
+ return -1;
+ }
+
+ return s390_virtio_device_init(dev, vdev);
+}
+
static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq)
{
ram_addr_t token_off;
(vq * VIRTIO_VQCONFIG_LEN) +
VIRTIO_VQCONFIG_OFFS_TOKEN;
- return ldq_phys(token_off);
+ return ldq_be_phys(token_off);
}
static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
vring = s390_virtio_next_ring(bus);
virtio_queue_set_addr(dev->vdev, i, vring);
virtio_queue_set_vector(dev->vdev, i, i);
- stq_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring);
- stw_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i));
+ stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring);
+ stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i));
}
cur_offs = dev->dev_offs;
cur_offs += num_vq * VIRTIO_VQCONFIG_LEN;
/* Sync feature bitmap */
- stl_phys(cur_offs, bswap32(dev->host_features));
+ stl_le_phys(cur_offs, dev->host_features);
dev->feat_offs = cur_offs + dev->feat_len;
cur_offs += dev->feat_len * 2;
dev->vdev->get_config(dev->vdev, dev->vdev->config);
}
- cpu_physical_memory_rw(cur_offs, dev->vdev->config, dev->vdev->config_len, 1);
+ cpu_physical_memory_write(cur_offs,
+ dev->vdev->config, dev->vdev->config_len);
cur_offs += dev->vdev->config_len;
}
/* Update guest supported feature bitmap */
- features = bswap32(ldl_phys(dev->feat_offs));
- if (vdev->set_features) {
- vdev->set_features(vdev, features);
- }
- vdev->guest_features = features;
+ features = bswap32(ldl_be_phys(dev->feat_offs));
+ virtio_set_features(vdev, features);
}
VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus)
ram_addr_t mem,
int *vq_num)
{
- VirtIOS390Device *_dev;
- DeviceState *dev;
+ BusChild *kid;
int i;
- QLIST_FOREACH(dev, &bus->bus.children, sibling) {
- _dev = (VirtIOS390Device *)dev;
+ 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))
+ if (!virtio_queue_get_addr(dev->vdev, i))
break;
- if (virtio_queue_get_addr(_dev->vdev, i) == mem) {
+ if (virtio_queue_get_addr(dev->vdev, i) == mem) {
if (vq_num) {
*vq_num = i;
}
- return _dev;
+ return dev;
}
}
}
/* Find a device by device descriptor location */
VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem)
{
- VirtIOS390Device *_dev;
- DeviceState *dev;
+ BusChild *kid;
- QLIST_FOREACH(dev, &bus->bus.children, sibling) {
- _dev = (VirtIOS390Device *)dev;
- if (_dev->dev_offs == mem) {
- return _dev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ VirtIOS390Device *dev = (VirtIOS390Device *)kid->child;
+ if (dev->dev_offs == mem) {
+ return dev;
}
}
{
VirtIOS390Device *dev = (VirtIOS390Device*)opaque;
uint64_t token = s390_virtio_device_vq_token(dev, vector);
+ S390CPU *cpu = s390_cpu_addr2state(0);
+ CPUS390XState *env = &cpu->env;
- /* XXX kvm dependency! */
- kvm_s390_virtio_irq(s390_cpu_addr2state(0), 0, token);
+ s390_virtio_irq(env, 0, token);
}
static unsigned virtio_s390_get_features(void *opaque)
.get_features = virtio_s390_get_features,
};
-static VirtIOS390DeviceInfo s390_virtio_net = {
- .init = s390_virtio_net_init,
- .qdev.name = "virtio-net-s390",
- .qdev.alias = "virtio-net",
- .qdev.size = sizeof(VirtIOS390Device),
- .qdev.props = (Property[]) {
- DEFINE_NIC_PROPERTIES(VirtIOS390Device, nic),
- DEFINE_PROP_UINT32("x-txtimer", VirtIOS390Device,
- net.txtimer, TX_TIMER_INTERVAL),
- DEFINE_PROP_INT32("x-txburst", VirtIOS390Device,
- net.txburst, TX_BURST),
- DEFINE_PROP_STRING("tx", VirtIOS390Device, net.tx),
- DEFINE_PROP_END_OF_LIST(),
- },
+static Property s390_virtio_net_properties[] = {
+ DEFINE_NIC_PROPERTIES(VirtIOS390Device, nic),
+ DEFINE_PROP_UINT32("x-txtimer", VirtIOS390Device,
+ net.txtimer, TX_TIMER_INTERVAL),
+ DEFINE_PROP_INT32("x-txburst", VirtIOS390Device,
+ net.txburst, TX_BURST),
+ DEFINE_PROP_STRING("tx", VirtIOS390Device, net.tx),
+ DEFINE_PROP_END_OF_LIST(),
};
-static VirtIOS390DeviceInfo s390_virtio_blk = {
- .init = s390_virtio_blk_init,
- .qdev.name = "virtio-blk-s390",
- .qdev.alias = "virtio-blk",
- .qdev.size = sizeof(VirtIOS390Device),
- .qdev.props = (Property[]) {
- DEFINE_BLOCK_PROPERTIES(VirtIOS390Device, block),
- 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 TypeInfo s390_virtio_net = {
+ .name = "virtio-net-s390",
+ .parent = TYPE_VIRTIO_S390_DEVICE,
+ .instance_size = sizeof(VirtIOS390Device),
+ .class_init = s390_virtio_net_class_init,
+};
+
+static Property s390_virtio_blk_properties[] = {
+ DEFINE_BLOCK_PROPERTIES(VirtIOS390Device, blk.conf),
+ DEFINE_BLOCK_CHS_PROPERTIES(VirtIOS390Device, blk.conf),
+ DEFINE_PROP_STRING("serial", VirtIOS390Device, blk.serial),
+#ifdef __linux__
+ DEFINE_PROP_BIT("scsi", VirtIOS390Device, blk.scsi, 0, true),
+#endif
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void s390_virtio_blk_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
+
+ k->init = s390_virtio_blk_init;
+ dc->props = s390_virtio_blk_properties;
+}
+
+static TypeInfo s390_virtio_blk = {
+ .name = "virtio-blk-s390",
+ .parent = TYPE_VIRTIO_S390_DEVICE,
+ .instance_size = sizeof(VirtIOS390Device),
+ .class_init = s390_virtio_blk_class_init,
};
-static VirtIOS390DeviceInfo s390_virtio_serial = {
- .init = s390_virtio_serial_init,
- .qdev.name = "virtio-serial-s390",
- .qdev.alias = "virtio-serial",
- .qdev.size = sizeof(VirtIOS390Device),
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("max_ports", VirtIOS390Device,
- serial.max_virtserial_ports, 31),
- DEFINE_PROP_END_OF_LIST(),
- },
+static Property s390_virtio_serial_properties[] = {
+ DEFINE_PROP_UINT32("max_ports", VirtIOS390Device,
+ serial.max_virtserial_ports, 31),
+ DEFINE_PROP_END_OF_LIST(),
};
-static int s390_virtio_busdev_init(DeviceState *dev, DeviceInfo *info)
+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 TypeInfo s390_virtio_serial = {
+ .name = "virtio-serial-s390",
+ .parent = TYPE_VIRTIO_S390_DEVICE,
+ .instance_size = sizeof(VirtIOS390Device),
+ .class_init = s390_virtio_serial_class_init,
+};
+
+static int s390_virtio_busdev_init(DeviceState *dev)
{
- VirtIOS390DeviceInfo *_info = (VirtIOS390DeviceInfo *)info;
VirtIOS390Device *_dev = (VirtIOS390Device *)dev;
+ VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev);
return _info->init(_dev);
}
-static void s390_virtio_bus_register_withprop(VirtIOS390DeviceInfo *info)
+static void virtio_s390_device_class_init(ObjectClass *klass, void *data)
{
- info->qdev.init = s390_virtio_busdev_init;
- info->qdev.bus_info = &s390_virtio_bus_info;
+ DeviceClass *dc = DEVICE_CLASS(klass);
- assert(info->qdev.size >= sizeof(VirtIOS390Device));
- qdev_register(&info->qdev);
+ dc->init = s390_virtio_busdev_init;
+ dc->bus_type = TYPE_S390_VIRTIO_BUS;
+ dc->unplug = qdev_simple_unplug_cb;
}
-static void s390_virtio_register(void)
+static 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(VirtIOS390Device, host_features, scsi),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void s390_virtio_scsi_class_init(ObjectClass *klass, void *data)
{
- s390_virtio_bus_register_withprop(&s390_virtio_serial);
- s390_virtio_bus_register_withprop(&s390_virtio_blk);
- s390_virtio_bus_register_withprop(&s390_virtio_net);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
+
+ k->init = s390_virtio_scsi_init;
+ dc->props = s390_virtio_scsi_properties;
}
-device_init(s390_virtio_register);
+static TypeInfo s390_virtio_scsi = {
+ .name = "virtio-scsi-s390",
+ .parent = TYPE_VIRTIO_S390_DEVICE,
+ .instance_size = sizeof(VirtIOS390Device),
+ .class_init = s390_virtio_scsi_class_init,
+};
/***************** S390 Virtio Bus Bridge Device *******************/
/* Only required to have the virtio bus as child in the system bus */
return 0;
}
-static SysBusDeviceInfo s390_virtio_bridge_info = {
- .init = s390_virtio_bridge_init,
- .qdev.name = "s390-virtio-bridge",
- .qdev.size = sizeof(SysBusDevice),
- .qdev.no_user = 1,
+static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = s390_virtio_bridge_init;
+ dc->no_user = 1;
+}
+
+static 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,
};
-static void s390_virtio_register_devices(void)
+static void s390_virtio_register_types(void)
{
- sysbus_register_withprop(&s390_virtio_bridge_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);
+ type_register_static(&s390_virtio_bridge_info);
}
-device_init(s390_virtio_register_devices)
+type_init(s390_virtio_register_types)
projects / qemu.git / blobdiff