diff options
Diffstat (limited to 'hw')
-rw-r--r-- | hw/virtio/virtio-pci.c | 150 | ||||
-rw-r--r-- | hw/virtio/virtio-pci.h | 14 |
2 files changed, 74 insertions, 90 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 4860db1d8a..1269a22800 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -257,15 +257,6 @@ static void virtio_pci_stop_ioeventfd(VirtIOPCIProxy *proxy) proxy->ioeventfd_started = false; } -static void virtio_pci_reset(DeviceState *d) -{ - VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d); - virtio_pci_stop_ioeventfd(proxy); - virtio_reset(proxy->vdev); - msix_unuse_all_vectors(&proxy->pci_dev); - proxy->flags &= ~VIRTIO_PCI_FLAG_BUS_MASTER_BUG; -} - static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val) { VirtIOPCIProxy *proxy = opaque; @@ -943,79 +934,6 @@ static void virtio_exit_pci(PCIDevice *pci_dev) msix_uninit_exclusive_bar(pci_dev); } -static int virtio_rng_init_pci(PCIDevice *pci_dev) -{ - VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev); - VirtIODevice *vdev; - - if (proxy->rng.rng == NULL) { - proxy->rng.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM)); - - object_property_add_child(OBJECT(pci_dev), - "default-backend", - OBJECT(proxy->rng.default_backend), - NULL); - - object_property_set_link(OBJECT(pci_dev), - OBJECT(proxy->rng.default_backend), - "rng", NULL); - } - - vdev = virtio_rng_init(&pci_dev->qdev, &proxy->rng); - if (!vdev) { - return -1; - } - virtio_init_pci(proxy, vdev); - return 0; -} - -static void virtio_rng_exit_pci(PCIDevice *pci_dev) -{ - VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev); - - virtio_pci_stop_ioeventfd(proxy); - virtio_rng_exit(proxy->vdev); - virtio_exit_pci(pci_dev); -} - -static void virtio_rng_initfn(Object *obj) -{ - PCIDevice *pci_dev = PCI_DEVICE(obj); - VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev); - - object_property_add_link(obj, "rng", TYPE_RNG_BACKEND, - (Object **)&proxy->rng.rng, NULL); -} - -static Property virtio_rng_properties[] = { - DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features), - DEFINE_VIRTIO_RNG_PROPERTIES(VirtIOPCIProxy, rng), - DEFINE_PROP_END_OF_LIST(), -}; - -static void virtio_rng_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->init = virtio_rng_init_pci; - k->exit = virtio_rng_exit_pci; - k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; - k->device_id = PCI_DEVICE_ID_VIRTIO_RNG; - k->revision = VIRTIO_PCI_ABI_VERSION; - k->class_id = PCI_CLASS_OTHERS; - dc->reset = virtio_pci_reset; - dc->props = virtio_rng_properties; -} - -static const TypeInfo virtio_rng_info = { - .name = "virtio-rng-pci", - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(VirtIOPCIProxy), - .instance_init = virtio_rng_initfn, - .class_init = virtio_rng_class_init, -}; - #ifdef CONFIG_VIRTFS static int virtio_9p_init_pci(VirtIOPCIProxy *vpci_dev) { @@ -1137,11 +1055,7 @@ static void virtio_pci_exit(PCIDevice *pci_dev) virtio_exit_pci(pci_dev); } -/* - * This will be renamed virtio_pci_reset at the end of the series. - * virtio_pci_reset is still in use at this moment. - */ -static void virtio_pci_rst(DeviceState *qdev) +static void virtio_pci_reset(DeviceState *qdev) { VirtIOPCIProxy *proxy = VIRTIO_PCI(qdev); VirtioBusState *bus = VIRTIO_BUS(&proxy->bus); @@ -1161,7 +1075,7 @@ static void virtio_pci_class_init(ObjectClass *klass, void *data) k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; k->revision = VIRTIO_PCI_ABI_VERSION; k->class_id = PCI_CLASS_OTHERS; - dc->reset = virtio_pci_rst; + dc->reset = virtio_pci_reset; } static const TypeInfo virtio_pci_info = { @@ -1550,6 +1464,64 @@ static const TypeInfo virtio_net_pci_info = { .class_init = virtio_net_pci_class_init, }; +/* virtio-rng-pci */ + +static Property virtio_rng_pci_properties[] = { + DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features), + DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORngPCI, vdev.conf), + DEFINE_PROP_END_OF_LIST(), +}; + +static int virtio_rng_pci_init(VirtIOPCIProxy *vpci_dev) +{ + VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&vrng->vdev); + + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); + if (qdev_init(vdev) < 0) { + return -1; + } + + object_property_set_link(OBJECT(vrng), + OBJECT(vrng->vdev.conf.default_backend), "rng", + NULL); + + return 0; +} + +static void virtio_rng_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + + k->init = virtio_rng_pci_init; + dc->props = virtio_rng_pci_properties; + + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_RNG; + pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; + pcidev_k->class_id = PCI_CLASS_OTHERS; +} + +static void virtio_rng_initfn(Object *obj) +{ + VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj); + object_initialize(OBJECT(&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, NULL); + +} + +static const TypeInfo virtio_rng_pci_info = { + .name = TYPE_VIRTIO_RNG_PCI, + .parent = TYPE_VIRTIO_PCI, + .instance_size = sizeof(VirtIORngPCI), + .instance_init = virtio_rng_initfn, + .class_init = virtio_rng_pci_class_init, +}; + /* virtio-pci-bus */ void virtio_pci_bus_new(VirtioBusState *bus, VirtIOPCIProxy *dev) @@ -1588,7 +1560,7 @@ static const TypeInfo virtio_pci_bus_info = { static void virtio_pci_register_types(void) { - type_register_static(&virtio_rng_info); + type_register_static(&virtio_rng_pci_info); type_register_static(&virtio_pci_bus_info); type_register_static(&virtio_pci_info); #ifdef CONFIG_VIRTFS diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h index db0185c3a6..ac718248e1 100644 --- a/hw/virtio/virtio-pci.h +++ b/hw/virtio/virtio-pci.h @@ -38,6 +38,7 @@ typedef struct VirtIOBalloonPCI VirtIOBalloonPCI; typedef struct VirtIOSerialPCI VirtIOSerialPCI; typedef struct VirtIONetPCI VirtIONetPCI; typedef struct VHostSCSIPCI VHostSCSIPCI; +typedef struct VirtIORngPCI VirtIORngPCI; /* virtio-pci-bus */ @@ -87,7 +88,6 @@ struct VirtIOPCIProxy { uint32_t class_code; uint32_t nvectors; uint32_t host_features; - VirtIORNGConf rng; bool ioeventfd_disabled; bool ioeventfd_started; VirtIOIRQFD *vector_irqfd; @@ -188,6 +188,18 @@ typedef struct V9fsPCIState { #endif +/* + * virtio-rng-pci: This extends VirtioPCIProxy. + */ +#define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci" +#define VIRTIO_RNG_PCI(obj) \ + OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI) + +struct VirtIORngPCI { + VirtIOPCIProxy parent_obj; + VirtIORNG vdev; +}; + void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev); void virtio_pci_bus_new(VirtioBusState *bus, VirtIOPCIProxy *dev); |