Searched hist:"8646 d9c773d88c3f9a20919a96afa35e6230c1ee" (Results 1 – 2 of 2) sorted by relevance
| /openbmc/qemu/include/hw/i386/ |
| H A D | intel_iommu.h | diff 8646d9c773d88c3f9a20919a96afa35e6230c1ee Mon Mar 14 09:25:42 CDT 2022 David Woodhouse <dwmw@amazon.co.uk> 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>
|
| /openbmc/qemu/hw/i386/ |
| H A D | intel_iommu.c | diff 8646d9c773d88c3f9a20919a96afa35e6230c1ee Mon Mar 14 09:25:42 CDT 2022 David Woodhouse <dwmw@amazon.co.uk> 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>
|