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[Qemu-devel] [PATCH 1/6] x86_iommu: move the kernel-irqchip check in com
From: |
Brijesh Singh |
Subject: |
[Qemu-devel] [PATCH 1/6] x86_iommu: move the kernel-irqchip check in common code |
Date: |
Tue, 11 Sep 2018 11:49:44 -0500 |
Interrupt remapping needs kernel-irqchip={off|split} on both Intel and AMD
platforms. Move the check in common place.
Cc: "Michael S. Tsirkin" <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Richard Henderson <address@hidden>
Cc: Eduardo Habkost <address@hidden>
Cc: Marcel Apfelbaum <address@hidden>
Cc: Tom Lendacky <address@hidden>
Cc: Suravee Suthikulpanit <address@hidden>
Signed-off-by: Brijesh Singh <address@hidden>
---
hw/i386/intel_iommu.c | 7 -------
hw/i386/x86-iommu.c | 9 +++++++++
2 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 3dfada1..84dbc20 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -3248,13 +3248,6 @@ static bool vtd_decide_config(IntelIOMMUState *s, Error
**errp)
{
X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(s);
- /* Currently Intel IOMMU IR only support "kernel-irqchip={off|split}" */
- if (x86_iommu->intr_supported && kvm_irqchip_in_kernel() &&
- !kvm_irqchip_is_split()) {
- error_setg(errp, "Intel Interrupt Remapping cannot work with "
- "kernel-irqchip=on, please use 'split|off'.");
- return false;
- }
if (s->intr_eim == ON_OFF_AUTO_ON && !x86_iommu->intr_supported) {
error_setg(errp, "eim=on cannot be selected without intremap=on");
return false;
diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c
index 8a01a2d..7440cb8 100644
--- a/hw/i386/x86-iommu.c
+++ b/hw/i386/x86-iommu.c
@@ -25,6 +25,7 @@
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "trace.h"
+#include "sysemu/kvm.h"
void x86_iommu_iec_register_notifier(X86IOMMUState *iommu,
iec_notify_fn fn, void *data)
@@ -94,6 +95,14 @@ static void x86_iommu_realize(DeviceState *dev, Error **errp)
return;
}
+ /* Both Intel and AMD IOMMU IR only support "kernel-irqchip={off|split}" */
+ if (x86_iommu->intr_supported && kvm_irqchip_in_kernel() &&
+ !kvm_irqchip_is_split()) {
+ error_setg(errp, "Interrupt Remapping cannot work with "
+ "kernel-irqchip=on, please use 'split|off'.");
+ return;
+ }
+
if (x86_class->realize) {
x86_class->realize(dev, errp);
}
--
2.7.4
- Re: [Qemu-devel] [PATCH 6/6] x86_iommu/amd: Enable Guest virtual APIC support, (continued)
[Qemu-devel] [PATCH 1/6] x86_iommu: move the kernel-irqchip check in common code,
Brijesh Singh <=
[Qemu-devel] [PATCH 3/6] x86_iommu/amd: Add interrupt remap support when VAPIC is not enabled, Brijesh Singh, 2018/09/11
[Qemu-devel] [PATCH 2/6] x86_iommu/amd: Prepare for interrupt remap support, Brijesh Singh, 2018/09/11