[RFC v1 0/8] vhost-vdpa: add support for iommufd
From: Cindy Lu <hidden>
Date: 2023-11-03 17:17:46
Also in:
lkml
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 <redacted> 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