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authorLu Baolu <baolu.lu@linux.intel.com>2017-11-03 10:51:33 -0600
committerAlex Williamson <alex.williamson@redhat.com>2017-11-03 10:51:33 -0600
commit973b546451fdf11e518cc96d1b137af893a38db5 (patch)
treecf60bbbf85f1a4dd632669c60119ea382a8decdc /include/linux/intel-iommu.h
parent2e2e35d512798193b4165ed884a5d1d9b181e231 (diff)
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iommu/vt-d: Clear Page Request Overflow fault bit
Currently Page Request Overflow bit in IOMMU Fault Status register is not cleared. Not clearing this bit would mean that any future page-request is going to be automatically dropped by IOMMU. Suggested-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/intel-iommu.h')
-rw-r--r--include/linux/intel-iommu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 485a5b48f038..f3274d9f46a2 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -212,6 +212,7 @@
#define DMA_FSTS_IQE (1 << 4)
#define DMA_FSTS_ICE (1 << 5)
#define DMA_FSTS_ITE (1 << 6)
+#define DMA_FSTS_PRO (1 << 7)
#define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff)
/* FRCD_REG, 32 bits access */