On 2024-02-21 15:38:02+0800, Hao Chen wrote:
> 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 <ch...@yusur.tech>
> ---
> MAINTAINERS | 5 +
> docs/system/device-emulation.rst | 1 +
> docs/system/devices/vdpa-net.rst | 121 +++++++++++++
> hw/net/virtio-net.c | 16 ++
> hw/virtio/virtio-pci.c | 189 +++++++++++++++++++-
> hw/virtio/virtio.c | 39 ++++
> include/hw/virtio/virtio-pci.h | 5 +
> include/hw/virtio/virtio.h | 19 ++
> include/standard-headers/linux/virtio_pci.h | 7 +
> 9 files changed, 399 insertions(+), 3 deletions(-)
> create mode 100644 docs/system/devices/vdpa-net.rst
[..]
> diff --git a/include/standard-headers/linux/virtio_pci.h
> b/include/standard-headers/linux/virtio_pci.h
> index b7fdfd0668..fb5391cef6 100644
> --- a/include/standard-headers/linux/virtio_pci.h
> +++ b/include/standard-headers/linux/virtio_pci.h
> @@ -216,6 +216,13 @@ struct virtio_pci_cfg_cap {
> #define VIRTIO_PCI_COMMON_Q_NDATA 56
> #define VIRTIO_PCI_COMMON_Q_RESET 58
>
> +#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
These changes are not in upstream Linux and will be undone by
./scripts/update-linux-headers.sh.
Are they intentionally in this header?
> +
> #endif /* VIRTIO_PCI_NO_MODERN */
>
> #endif
