aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSairaj Kodilkar <sarunkod@amd.com>2025-02-07 10:23:53 +0530
committerMichael S. Tsirkin <mst@redhat.com>2025-02-21 07:18:42 -0500
commit63dc0b8647391b372f3bb38ff1066f6b4a5e6ea1 (patch)
tree2c8ba6899dc7296d0b24eb171167ed561ba3c563
parent1456e90653c46aceb3dd83a7b9889a32aad7700d (diff)
downloadqemu-63dc0b8647391b372f3bb38ff1066f6b4a5e6ea1.zip
qemu-63dc0b8647391b372f3bb38ff1066f6b4a5e6ea1.tar.gz
qemu-63dc0b8647391b372f3bb38ff1066f6b4a5e6ea1.tar.bz2
amd_iommu: Use correct DTE field for interrupt passthrough
Interrupt passthrough is determine by the bits 191,190,187-184. These bits are part of the 3rd quad word (i.e. index 2) in DTE. Hence replace dte[3] by dte[2]. Fixes: b44159fe0 ("x86_iommu/amd: Add interrupt remap support when VAPIC is not enabled") Signed-off-by: Sairaj Kodilkar <sarunkod@amd.com> Reviewed-by: Vasant Hegde <vasant.hegde@amd.com> Message-Id: <20250207045354.27329-2-sarunkod@amd.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--hw/i386/amd_iommu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 6b13ce8..98f1209 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -1309,15 +1309,15 @@ static int amdvi_int_remap_msi(AMDVIState *iommu,
ret = -AMDVI_IR_ERR;
break;
case AMDVI_IOAPIC_INT_TYPE_NMI:
- pass = dte[3] & AMDVI_DEV_NMI_PASS_MASK;
+ pass = dte[2] & AMDVI_DEV_NMI_PASS_MASK;
trace_amdvi_ir_delivery_mode("nmi");
break;
case AMDVI_IOAPIC_INT_TYPE_INIT:
- pass = dte[3] & AMDVI_DEV_INT_PASS_MASK;
+ pass = dte[2] & AMDVI_DEV_INT_PASS_MASK;
trace_amdvi_ir_delivery_mode("init");
break;
case AMDVI_IOAPIC_INT_TYPE_EINT:
- pass = dte[3] & AMDVI_DEV_EINT_PASS_MASK;
+ pass = dte[2] & AMDVI_DEV_EINT_PASS_MASK;
trace_amdvi_ir_delivery_mode("eint");
break;
default: