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From 170a9c7dc044a0094b48c658e0d57c97c4b854e0 Mon Sep 17 00:00:00 2001
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From: Eric Auger <eric.auger@redhat.com>
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Date: Wed, 30 Jun 2021 13:38:03 +0200
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Subject: [PATCH 03/13] arm/virt: Enable ARM RAS support
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RH-Author: Eric Auger <eric.auger@redhat.com>
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RH-MergeRequest: 19: arm/virt: Support RAS
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RH-Commit: [3/3] 1572368bb0f47463a1f6ffa3f5baa97242440c98 (eauger1/centos-qemu-kvm)
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RH-Bugzilla: 1838608
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RH-Acked-by: Gavin Shan <gshan@redhat.com>
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RH-Acked-by: Andrew Jones <drjones@redhat.com>
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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We want to support ARM RAS (Reliability, Availability & Serviceability).
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So let's register the RAS property as a class property. It is
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unset by default.
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/arm/virt.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/hw/arm/virt.c b/hw/arm/virt.c
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index fe1111d527..0084935ec8 100644
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--- a/hw/arm/virt.c
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+++ b/hw/arm/virt.c
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@@ -2281,7 +2281,6 @@ static void virt_set_acpi(Object *obj, Visitor *v, const char *name,
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visit_type_OnOffAuto(v, name, &vms->acpi, errp);
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}
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-#if 0 /* Disabled for Red Hat Enterprise Linux */
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static bool virt_get_ras(Object *obj, Error **errp)
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{
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VirtMachineState *vms = VIRT_MACHINE(obj);
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@@ -2296,6 +2295,7 @@ static void virt_set_ras(Object *obj, bool value, Error **errp)
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vms->ras = value;
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}
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+#if 0 /* Disabled for Red Hat Enterprise Linux */
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static bool virt_get_mte(Object *obj, Error **errp)
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{
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VirtMachineState *vms = VIRT_MACHINE(obj);
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@@ -3013,6 +3013,12 @@ static void rhel_machine_class_init(ObjectClass *oc, void *data)
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"Set the IOMMU type. "
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"Valid values are none and smmuv3");
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+ object_class_property_add_bool(oc, "ras", virt_get_ras,
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+ virt_set_ras);
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+ object_class_property_set_description(oc, "ras",
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+ "Set on/off to enable/disable reporting host memory errors "
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+ "to a KVM guest using ACPI and guest external abort exceptions");
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+
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object_class_property_add_bool(oc, "its", virt_get_its,
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virt_set_its);
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object_class_property_set_description(oc, "its",
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@@ -3063,7 +3069,7 @@ static void rhel_virt_instance_init(Object *obj)
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/* Default disallows iommu instantiation */
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vms->iommu = VIRT_IOMMU_NONE;
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- /* Default disallows RAS instantiation and is non-configurable for RHEL */
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+ /* Default disallows RAS instantiation */
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vms->ras = false;
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/* MTE is disabled by default and non-configurable for RHEL */
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--
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2.27.0
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