On 2020/12/5 上午1:12, Randy Dunlap wrote:
On 12/4/20 7:20 AM, Stefano Garzarella wrote:
On Fri, Dec 04, 2020 at 12:03:53PM +0800, Jason Wang wrote:
This patch introduce a vDPA driver for virtio-pci device. It bridges
the virtio-pci control command to the vDPA bus. This will be used for
features prototyping and testing.
Note that get/restore virtqueue state is not supported which needs
extension on the virtio specification.
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
drivers/vdpa/Kconfig | 6 +
drivers/vdpa/Makefile | 1 +
drivers/vdpa/virtio_pci/Makefile | 2 +
drivers/vdpa/virtio_pci/vp_vdpa.c | 455 ++++++++++++++++++++++++++++++
4 files changed, 464 insertions(+)
create mode 100644 drivers/vdpa/virtio_pci/Makefile
create mode 100644 drivers/vdpa/virtio_pci/vp_vdpa.c
diff --git a/drivers/vdpa/Kconfig b/drivers/vdpa/Kconfig
index 358f6048dd3c..18cad14f533e 100644
--- a/drivers/vdpa/Kconfig
+++ b/drivers/vdpa/Kconfig
@@ -48,4 +48,10 @@ config MLX5_VDPA_NET
be executed by the hardware. It also supports a variety of stateless
offloads depending on the actual device used and firmware version.
+config VP_VDPA
+ tristate "Virtio PCI bridge vDPA driver"
+ depends on PCI_MSI && VIRTIO_PCI_MODERN
+ help
+ This kernel module that bridges virtio PCI device to vDPA bus.
^
Without 'that' maybe sound better, but I'm not a native speaker :-)
Yes, drop 'that', please.
Will fix.
Thanks
+
endif # VDPA
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