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[PATCH v2 1/3] intel_iommu: fix FRCD construction macro.
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From: |
CLEMENT MATHIEU--DRIF |
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Subject: |
[PATCH v2 1/3] intel_iommu: fix FRCD construction macro. |
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Date: |
Thu, 4 Jul 2024 15:12:47 +0000 |
From: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
The constant must be unsigned, otherwise the two's complement
overrides the other fields when a PASID is present
Fixes: 1b2b12376c ("intel-iommu: PASID support")
Signed-off-by: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
---
hw/i386/intel_iommu_internal.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h
index f8cf99bddf..cbc4030031 100644
--- a/hw/i386/intel_iommu_internal.h
+++ b/hw/i386/intel_iommu_internal.h
@@ -267,7 +267,7 @@
/* For the low 64-bit of 128-bit */
#define VTD_FRCD_FI(val) ((val) & ~0xfffULL)
#define VTD_FRCD_PV(val) (((val) & 0xffffULL) << 40)
-#define VTD_FRCD_PP(val) (((val) & 0x1) << 31)
+#define VTD_FRCD_PP(val) (((val) & 0x1ULL) << 31)
#define VTD_FRCD_IR_IDX(val) (((val) & 0xffffULL) << 48)
/* DMA Remapping Fault Conditions */
--
2.45.2