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| author | Peter Xu <peterx@redhat.com> | 2016-07-14 13:56:15 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-07-20 19:30:27 +0300 |
| commit | b79104722fc77974a222929f5590c3bea2941dd7 (patch) | |
| tree | 42ff52b043533460b656ca614f7104c52ba49b4f /hw/i386/intel_iommu.c | |
| parent | d46114f9ec40e714ae3fa17c446890d369c32812 (diff) | |
| download | qemu-b79104722fc77974a222929f5590c3bea2941dd7.zip qemu-b79104722fc77974a222929f5590c3bea2941dd7.tar.gz qemu-b79104722fc77974a222929f5590c3bea2941dd7.tar.bz2 | |
intel_iommu: allow queued invalidation for IR
Queued invalidation is required for IR. This patch add basic support for
interrupt cache invalidate requests. Since we currently have no IR cache
implemented yet, we can just skip all interrupt cache invalidation
requests for now.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/intel_iommu.c')
| -rw-r--r-- | hw/i386/intel_iommu.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 3ee5782..26e322a 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -1404,6 +1404,15 @@ static bool vtd_process_inv_desc(IntelIOMMUState *s) } break; + case VTD_INV_DESC_IEC: + VTD_DPRINTF(INV, "Interrupt Entry Cache Invalidation " + "not implemented yet"); + /* + * Since currently we do not cache interrupt entries, we can + * just mark this descriptor as "good" and move on. + */ + break; + default: VTD_DPRINTF(GENERAL, "error: unkonw Invalidation Descriptor type " "hi 0x%"PRIx64 " lo 0x%"PRIx64 " type %"PRIu8, |