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[ats_vtd,v5,01/22] intel_iommu: fix FRCD construction macro.

Message ID 20240603055917.18735-2-clement.mathieu--drif@eviden.com (mailing list archive)
State New, archived
Headers show
Series ATS support for VT-d | expand

Commit Message

CLEMENT MATHIEU--DRIF June 3, 2024, 5:59 a.m. UTC 
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

Signed-off-by: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
---
 hw/i386/intel_iommu_internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h
index 7d0420e15d..1e37b98c65 100644
--- a/hw/i386/intel_iommu_internal.h
+++ b/hw/i386/intel_iommu_internal.h
@@ -272,7 +272,7 @@ 
 /* 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 */