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[Qemu-devel] [RFC PATCH V4 4/6] virtio-pci : Introduce virtio-pci device
From: |
fred . konrad |
Subject: |
[Qemu-devel] [RFC PATCH V4 4/6] virtio-pci : Introduce virtio-pci device. |
Date: |
Fri, 30 Nov 2012 18:12:08 +0100 |
From: KONRAD Frederic <address@hidden>
Signed-off-by: KONRAD Frederic <address@hidden>
---
hw/virtio-pci.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
hw/virtio-pci.h | 15 +++++++++++++++
2 files changed, 62 insertions(+), 1 deletions(-)
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index a73704d..1fb1905 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -1119,6 +1119,52 @@ static TypeInfo virtio_scsi_info = {
.class_init = virtio_scsi_class_init,
};
+/*
+ * virtio-pci : This is the PCIDevice which have a virtio-pci-bus.
+ */
+
+static int virtio_pci_init(PCIDevice *pci_dev)
+{
+ VirtIOPCIProxy *dev = VIRTIO_PCI(pci_dev);
+ dev->bus = virtio_pci_bus_new(dev);
+ return 0;
+}
+
+static void virtio_pci_exit(PCIDevice *pci_dev)
+{
+ VirtIOPCIProxy *dev = VIRTIO_PCI(pci_dev);
+ /*
+ * TODO:
+ * -> Destroy the bus.
+ * -> Destroy the device.
+ *
+ */
+}
+
+static void virtio_pci_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = virtio_pci_init;
+ k->exit = virtio_pci_exit;
+ /*
+ k->exit = virtio_scsi_exit_pci;
+ k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
+ k->revision = 0x00;
+ k->class_id = PCI_CLASS_STORAGE_SCSI;
+ dc->reset = virtio_pci_reset;
+ dc->props = virtio_scsi_properties;*/
+}
+
+static const TypeInfo virtio_pci_info = {
+ .name = TYPE_VIRTIO_PCI,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(VirtIOPCIProxy),
+ .class_init = virtio_pci_class_init,
+};
+
/* virtio-pci-bus */
VirtioBusState *virtio_pci_bus_new(VirtIOPCIProxy *dev)
@@ -1154,7 +1200,7 @@ static void virtio_pci_bus_class_init(ObjectClass *klass,
void *data)
*/
}
-static TypeInfo virtio_pci_bus_info = {
+static const TypeInfo virtio_pci_bus_info = {
.name = TYPE_VIRTIO_PCI_BUS,
.parent = TYPE_VIRTIO_BUS,
.instance_size = sizeof(VirtioBusState),
diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
index 0e3288e..62c9198 100644
--- a/hw/virtio-pci.h
+++ b/hw/virtio-pci.h
@@ -46,6 +46,17 @@ typedef struct {
unsigned int users;
} VirtIOIRQFD;
+/*
+ * virtio-pci : This is the PCIDevice which have a virtio-pci-bus.
+ */
+#define TYPE_VIRTIO_PCI "virtio-pci"
+#define VIRTIO_PCI_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(VirtioPCIClass, obj, TYPE_VIRTIO_PCI)
+#define VIRTIO_PCI_CLASS(klass) \
+ OBJECT_CLASS_CHECK(VirtioPCIClass, klass, TYPE_VIRTIO_PCI)
+#define VIRTIO_PCI(obj) \
+ OBJECT_CHECK(VirtIOPCIProxy, (obj), TYPE_VIRTIO_PCI)
+
struct VirtIOPCIProxy {
PCIDevice pci_dev;
VirtIODevice *vdev;
@@ -66,6 +77,10 @@ struct VirtIOPCIProxy {
bool ioeventfd_disabled;
bool ioeventfd_started;
VirtIOIRQFD *vector_irqfd;
+
+ /* That's the virtio-bus on which VirtioDevice will be connected. */
+ VirtioBusState *bus;
+ /* Nothing more for the moment. */
};
void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
--
1.7.1
- [Qemu-devel] [RFC PATCH V4 0/6] Virtio refactoring., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 1/6] qdev : add a maximum device allowed field for the bus., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 4/6] virtio-pci : Introduce virtio-pci device.,
fred . konrad <=
- [Qemu-devel] [RFC PATCH V4 3/6] virtio-pci-bus : Introduce virtio-pci-bus., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 5/6] virtio-device : Introduce virtio-device., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 2/6] virtio-bus : Introduce virtio-bus, fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 6/6] virtio-blk : Refactoring virtio-blk., fred . konrad, 2012/11/30
- Re: [Qemu-devel] [RFC PATCH V4 0/6] Virtio refactoring., Peter Maydell, 2012/11/30