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hw/virtio: Add support for VDPA network simulation devices

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This patch adds support for VDPA network simulation devices.
The device is developed based on virtio-net and tap backend,
and supports hardware live migration function.

For more details, please refer to "docs/system/devices/vdpa-net.rst"

Signed-off-by: Hao Chen <chenh@yusur.tech>
Message-Id: <20240221073802.2888022-1-chenh@yusur.tech>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Hao Chen 2024-02-21 15:38:02 +08:00 • committed by Michael S. Tsirkin
parent 043e127a12
commit cd341fd1ff
9 changed files with 399 additions and 3 deletions
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7
include/standard-headers/linux/virtio_pci.h
View file

@ -221,6 +221,13 @@ struct virtio_pci_cfg_cap {
#define VIRTIO_PCI_COMMON_ADM_Q_IDX 60
#define VIRTIO_PCI_COMMON_ADM_Q_NUM 62
#define LM_LOGGING_CTRL 0
#define LM_BASE_ADDR_LOW 4
#define LM_BASE_ADDR_HIGH 8
#define LM_END_ADDR_LOW 12
#define LM_END_ADDR_HIGH 16
#define LM_VRING_STATE_OFFSET 0x20
#endif /* VIRTIO_PCI_NO_MODERN */
/* Admin command status. */