[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v3 04/10] vdpa-dev: implement the instance_init/class_init interf
From: |
Longpeng(Mike) |
Subject: |
[PATCH v3 04/10] vdpa-dev: implement the instance_init/class_init interface |
Date: |
Sat, 19 Mar 2022 15:20:06 +0800 |
From: Longpeng <longpeng2@huawei.com>
Implements the .instance_init and the .class_init interface.
Signed-off-by: Longpeng <longpeng2@huawei.com>
---
hw/virtio/vdpa-dev-pci.c | 22 +++++++++++-
hw/virtio/vdpa-dev.c | 69 ++++++++++++++++++++++++++++++++++--
include/hw/virtio/vdpa-dev.h | 3 ++
3 files changed, 91 insertions(+), 3 deletions(-)
diff --git a/hw/virtio/vdpa-dev-pci.c b/hw/virtio/vdpa-dev-pci.c
index 9c0f25a02d..9eb590ce8c 100644
--- a/hw/virtio/vdpa-dev-pci.c
+++ b/hw/virtio/vdpa-dev-pci.c
@@ -38,13 +38,33 @@ struct VhostVdpaDevicePCI {
};
static void vhost_vdpa_device_pci_instance_init(Object *obj)
+{
+ VhostVdpaDevicePCI *dev = VHOST_VDPA_DEVICE_PCI(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VHOST_VDPA_DEVICE);
+ object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
+ "bootindex");
+}
+
+static Property vhost_vdpa_device_pci_properties[] = {
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void
+vhost_vdpa_device_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
{
return;
}
static void vhost_vdpa_device_pci_class_init(ObjectClass *klass, void *data)
{
- return;
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
+
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+ device_class_set_props(dc, vhost_vdpa_device_pci_properties);
+ k->realize = vhost_vdpa_device_pci_realize;
}
static const VirtioPCIDeviceTypeInfo vhost_vdpa_device_pci_info = {
diff --git a/hw/virtio/vdpa-dev.c b/hw/virtio/vdpa-dev.c
index 5c506ff304..993cbc7d11 100644
--- a/hw/virtio/vdpa-dev.c
+++ b/hw/virtio/vdpa-dev.c
@@ -29,16 +29,81 @@
#include "sysemu/sysemu.h"
#include "sysemu/runstate.h"
-static void vhost_vdpa_device_class_init(ObjectClass *klass, void *data)
+static void vhost_vdpa_device_realize(DeviceState *dev, Error **errp)
{
return;
}
-static void vhost_vdpa_device_instance_init(Object *obj)
+static void vhost_vdpa_device_unrealize(DeviceState *dev)
+{
+ return;
+}
+
+static void
+vhost_vdpa_device_get_config(VirtIODevice *vdev, uint8_t *config)
+{
+ return;
+}
+
+static void
+vhost_vdpa_device_set_config(VirtIODevice *vdev, const uint8_t *config)
{
return;
}
+static uint64_t vhost_vdpa_device_get_features(VirtIODevice *vdev,
+ uint64_t features,
+ Error **errp)
+{
+ return (uint64_t)-1;
+}
+
+static void vhost_vdpa_device_set_status(VirtIODevice *vdev, uint8_t status)
+{
+ return;
+}
+
+static Property vhost_vdpa_device_properties[] = {
+ DEFINE_PROP_STRING("vdpa-dev", VhostVdpaDevice, vdpa_dev),
+ DEFINE_PROP_INT32("vdpa-dev-fd", VhostVdpaDevice, vdpa_dev_fd, -1),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static const VMStateDescription vmstate_vhost_vdpa_device = {
+ .name = "vhost-vdpa-device",
+ .minimum_version_id = 1,
+ .version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_VIRTIO_DEVICE,
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+static void vhost_vdpa_device_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
+
+ device_class_set_props(dc, vhost_vdpa_device_properties);
+ dc->desc = "VDPA-based generic device assignment";
+ dc->vmsd = &vmstate_vhost_vdpa_device;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+ vdc->realize = vhost_vdpa_device_realize;
+ vdc->unrealize = vhost_vdpa_device_unrealize;
+ vdc->get_config = vhost_vdpa_device_get_config;
+ vdc->set_config = vhost_vdpa_device_set_config;
+ vdc->get_features = vhost_vdpa_device_get_features;
+ vdc->set_status = vhost_vdpa_device_set_status;
+}
+
+static void vhost_vdpa_device_instance_init(Object *obj)
+{
+ VhostVdpaDevice *s = VHOST_VDPA_DEVICE(obj);
+
+ device_add_bootindex_property(obj, &s->bootindex, "bootindex",
+ NULL, DEVICE(obj));
+}
+
static const TypeInfo vhost_vdpa_device_info = {
.name = TYPE_VHOST_VDPA_DEVICE,
.parent = TYPE_VIRTIO_DEVICE,
diff --git a/include/hw/virtio/vdpa-dev.h b/include/hw/virtio/vdpa-dev.h
index bd60367793..476bda0873 100644
--- a/include/hw/virtio/vdpa-dev.h
+++ b/include/hw/virtio/vdpa-dev.h
@@ -25,6 +25,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(VhostVdpaDevice, VHOST_VDPA_DEVICE)
struct VhostVdpaDevice {
VirtIODevice parent_obj;
+ char *vdpa_dev;
+ int vdpa_dev_fd;
+ int32_t bootindex;
};
#endif
--
2.23.0
- [PATCH v3 00/10] add generic vDPA device support, Longpeng(Mike), 2022/03/19
- [PATCH v3 04/10] vdpa-dev: implement the instance_init/class_init interface,
Longpeng(Mike) <=
- [PATCH v3 02/10] update linux headers, Longpeng(Mike), 2022/03/19
- [PATCH v3 08/10] vdpa-dev: implement the get_features interface, Longpeng(Mike), 2022/03/19
- [PATCH v3 06/10] vdpa-dev: implement the unrealize interface, Longpeng(Mike), 2022/03/19
- [PATCH v3 03/10] vdpa: add the infrastructure of vdpa-dev, Longpeng(Mike), 2022/03/19
- [PATCH v3 10/10] vdpa-dev: mark the device as unmigratable, Longpeng(Mike), 2022/03/19
- [PATCH v3 07/10] vdpa-dev: implement the get_config/set_config interface, Longpeng(Mike), 2022/03/19
- [PATCH v3 09/10] vdpa-dev: implement the set_status interface, Longpeng(Mike), 2022/03/19
- Re: [PATCH v3 00/10] add generic vDPA device support, Stefano Garzarella, 2022/03/28