diff options
| author | David Woodhouse <dwmw@amazon.co.uk> | 2022-03-14 14:25:42 +0000 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-05-16 04:38:39 -0400 |
| commit | 8646d9c773d88c3f9a20919a96afa35e6230c1ee (patch) | |
| tree | 7e9883f6dc99ebfe2cccd9cde44778dd16954c65 /block/amend.c | |
| parent | dc89f32d92bba795b0665f075b78d8881cf67ab3 (diff) | |
intel_iommu: Support IR-only mode without DMA translation
By setting none of the SAGAW bits we can indicate to a guest that DMA
translation isn't supported. Tested by booting Windows 10, as well as
Linux guests with the fix at https://git.kernel.org/torvalds/c/c40aaaac10
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220314142544.150555-2-dwmw2@infradead.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'block/amend.c')
0 files changed, 0 insertions, 0 deletions