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

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Message-ID: <20240110172459-mutt-send-email-mst@kernel.org>
Date: Wed, 10 Jan 2024 17:25:19 -0500
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Cindy Lu <lulu@...hat.com>
Cc: jasowang@...hat.com, yi.l.liu@...el.com, jgg@...dia.com,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [RFC v1 0/8] vhost-vdpa: add support for iommufd

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@...hat.com>

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