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

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Message-Id: <20231103171641.1703146-1-lulu@redhat.com>
Date: Sat,  4 Nov 2023 01:16:33 +0800
From: Cindy Lu <lulu@...hat.com>
To: lulu@...hat.com,
	jasowang@...hat.com,
	mst@...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: [RFC v1 0/8] vhost-vdpa: add support for iommufd


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>


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