Re: [RFC v1 0/8] vhost-vdpa: add support for iommufd

From: Michael S. Tsirkin
Date: Wed Jan 10 2024 - 17:25:34 EST


On Sat, Nov 04, 2023 at 01:16:33AM +0800, Cindy Lu wrote:
>
> Hi All
> This code provides the iommufd support for vdpa device
> This code fixes the bugs from the last version and also add the asid support. rebase on kernel
> v6,6-rc3
> Test passed in the physical device (vp_vdpa), but there are still some problems in the emulated device (vdpa_sim_net),
> I will continue working on it
>
> The kernel code is
> https://gitlab.com/lulu6/vhost/-/tree/iommufdRFC_v1
>
> Signed-off-by: Cindy Lu <lulu@xxxxxxxxxx>

Was this abandoned?

>
> Cindy Lu (8):
> vhost/iommufd: Add the functions support iommufd
> Kconfig: Add the new file vhost/iommufd
> vhost: Add 3 new uapi to support iommufd
> vdpa: Add new vdpa_config_ops to support iommufd
> vdpa_sim :Add support for iommufd
> vdpa: change the map/unmap process to support iommufd
> vp_vdpa::Add support for iommufd
> iommu: expose the function iommu_device_use_default_domain
>
> drivers/iommu/iommu.c | 2 +
> drivers/vdpa/vdpa_sim/vdpa_sim.c | 8 ++
> drivers/vdpa/virtio_pci/vp_vdpa.c | 4 +
> drivers/vhost/Kconfig | 1 +
> drivers/vhost/Makefile | 1 +
> drivers/vhost/iommufd.c | 178 +++++++++++++++++++++++++
> drivers/vhost/vdpa.c | 210 +++++++++++++++++++++++++++++-
> drivers/vhost/vhost.h | 21 +++
> include/linux/vdpa.h | 38 +++++-
> include/uapi/linux/vhost.h | 66 ++++++++++
> 10 files changed, 525 insertions(+), 4 deletions(-)
> create mode 100644 drivers/vhost/iommufd.c
>
> --
> 2.34.3