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authorSingh, Brijesh <brijesh.singh@amd.com>2018-10-01 19:44:27 +0000
committerMichael S. Tsirkin <mst@redhat.com>2018-11-05 13:24:02 -0500
commit50662ce16da37479533e7ae9f515d4e9d49b9d14 (patch)
tree41ba7f991287ba7d48eeca6a889c4a0af8719217 /hw/i386
parent110b9463d5c820120c8311db79f55a64c9d81ebe (diff)
x86_iommu: move the kernel-irqchip check in common code
Interrupt remapping needs kernel-irqchip={off|split} on both Intel and AMD platforms. Move the check in common place. Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Reviewed-by: Peter Xu <peterx@redhat.com> Cc: Peter Xu <peterx@redhat.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Cc: Tom Lendacky <Thomas.Lendacky@amd.com> Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386')
-rw-r--r--hw/i386/intel_iommu.c7
-rw-r--r--hw/i386/x86-iommu.c9
2 files changed, 9 insertions, 7 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index f24ebfca1c..015a6fc492 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -3262,13 +3262,6 @@ 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 8a01a2dd25..7440cb8d60 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);
}