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authorWei Wang <wei.wang2@amd.com>2012-01-12 13:52:37 +0100
committerWei Wang <wei.wang2@amd.com>2012-01-12 13:52:37 +0100
commit716419c5b4864842dc054996344a34b13587d9bc (patch)
treeebf41315957f67ec4849669281e0442a68f820cc /xen/include/asm-x86/amd-iommu.h
parent4547137c3e31bae4c6c89d1fad63b1928681715f (diff)
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amd iommu: Enable ppr log
IOMMUv2 writes peripheral page service request (PPR) records into ppr log to report guest OS pending DMA page requests from ATS devices. Signed-off-by: Wei Wang <wei.wang2@amd.com> Committed-by: Jan Beulich <jbeulich@suse.com>
Diffstat (limited to 'xen/include/asm-x86/amd-iommu.h')
-rw-r--r--xen/include/asm-x86/amd-iommu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/xen/include/asm-x86/amd-iommu.h b/xen/include/asm-x86/amd-iommu.h
index 17546043c7..41e0a05ca7 100644
--- a/xen/include/asm-x86/amd-iommu.h
+++ b/xen/include/asm-x86/amd-iommu.h
@@ -93,6 +93,7 @@ struct amd_iommu {
struct table_struct dev_table;
struct ring_buffer cmd_buffer;
struct ring_buffer event_log;
+ struct ring_buffer ppr_log;
int exclusion_enable;
int exclusion_allow_all;