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

[Cindy Lu]

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>


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

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2.34.3