search for: mvnet

...late virtio net device > over virtio mdev transport. The device is implemented through vringh > and workqueue. > > Signed-off-by: Jason Wang <jasowang at redhat.com> > --- > samples/Kconfig | 7 + > samples/vfio-mdev/Makefile | 1 + > samples/vfio-mdev/mvnet.c | 766 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 774 insertions(+) > create mode 100644 samples/vfio-mdev/mvnet.c So for a POC, this is a bit too rough to be able to judge whether the approach is workable. Can you get it a bit more into shape esp wrt UAPI? > diff --git...

...ple driver creates mdev device that simulate virtio net device over virtio mdev transport. The device is implemented through vringh and workqueue. Signed-off-by: Jason Wang <jasowang at redhat.com> --- samples/Kconfig | 7 + samples/vfio-mdev/Makefile | 1 + samples/vfio-mdev/mvnet.c | 766 +++++++++++++++++++++++++++++++++++++ 3 files changed, 774 insertions(+) create mode 100644 samples/vfio-mdev/mvnet.c diff --git a/samples/Kconfig b/samples/Kconfig index c8dacb4dda80..a1a1ca2c00b7 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -131,6 +131,13 @@ config SAMPLE_VFI...

...res some virtual IOMMU implemented in this sample driver. Acked-by: Cornelia Huck <cohuck at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- MAINTAINERS | 1 + samples/Kconfig | 10 + samples/vfio-mdev/Makefile | 1 + samples/vfio-mdev/mvnet.c | 686 +++++++++++++++++++++++++++++++++++++ 4 files changed, 698 insertions(+) create mode 100644 samples/vfio-mdev/mvnet.c diff --git a/MAINTAINERS b/MAINTAINERS index 4997957443df..6e9ad105a28f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17249,6 +17249,7 @@ F: include/uapi/linux/virtio_*...

...res some virtual IOMMU implemented in this sample driver. Acked-by: Cornelia Huck <cohuck at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- MAINTAINERS | 1 + samples/Kconfig | 10 + samples/vfio-mdev/Makefile | 1 + samples/vfio-mdev/mvnet.c | 686 +++++++++++++++++++++++++++++++++++++ 4 files changed, 698 insertions(+) create mode 100644 samples/vfio-mdev/mvnet.c diff --git a/MAINTAINERS b/MAINTAINERS index 4997957443df..6e9ad105a28f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17249,6 +17249,7 @@ F: include/uapi/linux/virtio_*...

...I plan to add 'vhost' type on top which requires some virtual IOMMU implemented in this sample driver. Signed-off-by: Jason Wang <jasowang at redhat.com> --- MAINTAINERS | 1 + samples/Kconfig | 7 + samples/vfio-mdev/Makefile | 1 + samples/vfio-mdev/mvnet.c | 685 +++++++++++++++++++++++++++++++++++++ 4 files changed, 694 insertions(+) create mode 100644 samples/vfio-mdev/mvnet.c diff --git a/MAINTAINERS b/MAINTAINERS index f661d13344d6..35e9204d5c68 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17248,6 +17248,7 @@ F: include/linux/virtio*.h F:...

...I plan to add 'vhost' type on top which requires some virtual IOMMU implemented in this sample driver. Signed-off-by: Jason Wang <jasowang at redhat.com> --- MAINTAINERS | 1 + samples/Kconfig | 7 + samples/vfio-mdev/Makefile | 1 + samples/vfio-mdev/mvnet.c | 691 +++++++++++++++++++++++++++++++++++++ 4 files changed, 700 insertions(+) create mode 100644 samples/vfio-mdev/mvnet.c diff --git a/MAINTAINERS b/MAINTAINERS index 9e10ae9c2b4d..8b17927a81fd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17248,6 +17248,7 @@ F: include/linux/virtio*.h F:...

...to add 'vhost' type > on top which requires some virtual IOMMU implemented in this sample > driver. > > Acked-by: Cornelia Huck <cohuck at redhat.com> > Signed-off-by: Jason Wang <jasowang at redhat.com> I'd prefer it that we call this something else, e.g. mvnet-loopback. Just so people don't expect a fully functional device somehow. Can be renamed when applying? > --- > MAINTAINERS | 1 + > samples/Kconfig | 10 + > samples/vfio-mdev/Makefile | 1 + > samples/vfio-mdev/mvnet.c | 686 +++++++++++++++++++...

...to add 'vhost' type > on top which requires some virtual IOMMU implemented in this sample > driver. > > Acked-by: Cornelia Huck <cohuck at redhat.com> > Signed-off-by: Jason Wang <jasowang at redhat.com> I'd prefer it that we call this something else, e.g. mvnet-loopback. Just so people don't expect a fully functional device somehow. Can be renamed when applying? > --- > MAINTAINERS | 1 + > samples/Kconfig | 10 + > samples/vfio-mdev/Makefile | 1 + > samples/vfio-mdev/mvnet.c | 686 +++++++++++++++++++...

...' type on top which requires some virtual IOMMU implemented in this sample driver. Signed-off-by: Jason Wang <jasowang at redhat.com> --- MAINTAINERS | 1 + samples/Kconfig | 10 + samples/vfio-mdev/Makefile | 1 + samples/vfio-mdev/mvnet_loopback.c | 687 +++++++++++++++++++++++++++++ 4 files changed, 699 insertions(+) create mode 100644 samples/vfio-mdev/mvnet_loopback.c diff --git a/MAINTAINERS b/MAINTAINERS index 4997957443df..62c3eafa99b0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17249,6 +17249,7 @@ F: include/uapi/linux...

...7 + drivers/vfio/mdev/virtio_mdev.c | 500 ++++++++++++++++++++ drivers/vhost/vringh.c | 8 +- include/linux/mdev.h | 2 + include/uapi/linux/virtio_mdev.h | 131 ++++++ samples/Kconfig | 7 + samples/vfio-mdev/Makefile | 1 + samples/vfio-mdev/mvnet.c | 766 +++++++++++++++++++++++++++++++ 10 files changed, 1429 insertions(+), 1 deletion(-) create mode 100644 drivers/vfio/mdev/virtio_mdev.c create mode 100644 include/uapi/linux/virtio_mdev.h create mode 100644 samples/vfio-mdev/mvnet.c -- 2.19.1

...port other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific ops out of the common ones for implementing class specific operations over mdev bus. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/11/5/424 [2] https://lkml.org/lkml/2019/11/5/227 Changes from V9: - Tweak the help text for virito-mdev kconfig Changes from V8: - try silent checkpatch, some are still there becuase they were inherited from virtio_config_ops whi...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. Changes from V1: - rename device id to class id - add docs for class id and device specific ops (device_ops) - split device_ops into seperate headers - drop the mdev_set_dma_ops() - use device_ops to implement the transport API, then it's not a part of UAPI...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/10/29/335 [2] https://lkml.org/lkml/2019/10/15/1226 Changes from V5: - use dev_warn() instead of WARN(1) when class id is not set - validate id_table before trying to do matching between device and driver - add wildcard for modpo...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/11/5/424 [2] https://lkml.org/lkml/2019/11/5/227 Changes from V8: - try silent checkpatch, some are still there becuase they were inherited from virtio_config_ops which needs to be resolved in an independent series - tweak on the...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/10/31/440 [2] https://lkml.org/lkml/2019/10/15/1226 Changes from V7: - drop {set|get}_mdev_features for virtio - typo and comment style fixes Changes from V6: - rename ops files and compile guard Changes from V5: - use dev_warn(...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/10/31/440 [2] https://lkml.org/lkml/2019/10/15/1226 Changes from V7: - drop {set|get}_mdev_features for virtio - typo and comment style fixes Changes from V6: - rename ops files and compile guard Changes from V5: - use dev_warn(...

...port other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific ops out of the common ones for implementing class specific operations over mdev bus. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/11/5/424 [2] https://lkml.org/lkml/2019/11/5/227 Changes from V10: - rename mvnet to mvnet_loopback - fix typo in the help text for sample Kconfig Changes from V9: - Tweak the help text for virito-mdev kconfig Changes from V8: - t...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/10/22/262 [2] https://lkml.org/lkml/2019/10/15/1226 Changes from V4: - keep mdev_set_class() for the device that doesn't use device ops - use union for device ops pointer in mdev_device - introduce class specific helper for get...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/10/22/262 [2] https://lkml.org/lkml/2019/10/15/1226 Changes from V4: - keep mdev_set_class() for the device that doesn't use device ops - use union for device ops pointer in mdev_device - introduce class specific helper for get...

...iver right now, this series also extend it to support other types. This is done through introducing class id to the device and pairing it with id_talbe claimed by the driver. On top, this seris also decouple device specific parents ops out of the common ones. Pktgen test was done with virito-net + mvnet loop back device. Please review. [1] https://lkml.org/lkml/2019/9/26/15 Changes from V2: - fail when class_id is not specified - drop the vringh patch - match the doc to the code - tweak the commit log - move device_ops from parent to mdev device - remove the unused MDEV_ID_VHOST Changes from...