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From 8af3d229190faed68beda2a1493badc1eb78e108 Mon Sep 17 00:00:00 2001
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Message-Id: <8af3d229190faed68beda2a1493badc1eb78e108@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Mon, 4 Dec 2017 13:38:50 +0100
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Subject: [PATCH] numa: Introduce virDomainNumaNodeDistanceIsUsingDefaults
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https://bugzilla.redhat.com/show_bug.cgi?id=1454889
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The function returns true/false depending on distance
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configuration being present in the domain XML.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: John Ferlan <jferlan@redhat.com>
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(cherry picked from commit ab9baab7290a4a009e4e8ddfb63a2ddd19bb8091)
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/conf/numa_conf.c | 21 +++++++++++++++++++++
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src/conf/numa_conf.h | 4 ++++
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src/libvirt_private.syms | 1 +
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3 files changed, 26 insertions(+)
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diff --git a/src/conf/numa_conf.c b/src/conf/numa_conf.c
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index c2f0d1ca8c..8fc3b0a196 100644
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--- a/src/conf/numa_conf.c
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+++ b/src/conf/numa_conf.c
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@@ -1137,6 +1137,27 @@ virDomainNumaSetNodeCount(virDomainNumaPtr numa, size_t nmem_nodes)
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return numa->nmem_nodes;
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}
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+
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+bool
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+virDomainNumaNodeDistanceIsUsingDefaults(virDomainNumaPtr numa,
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+ size_t node,
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+ size_t sibling)
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+{
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+ if (node >= numa->nmem_nodes ||
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+ sibling >= numa->nmem_nodes)
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+ return false;
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+
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+ if (!numa->mem_nodes[node].distances)
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+ return true;
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+
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+ if (numa->mem_nodes[node].distances[sibling].value == LOCAL_DISTANCE ||
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+ numa->mem_nodes[node].distances[sibling].value == REMOTE_DISTANCE)
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+ return true;
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+
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+ return false;
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+}
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+
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+
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size_t
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virDomainNumaGetNodeDistance(virDomainNumaPtr numa,
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size_t node,
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diff --git a/src/conf/numa_conf.h b/src/conf/numa_conf.h
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index 4655de3aa7..7947fdb219 100644
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--- a/src/conf/numa_conf.h
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+++ b/src/conf/numa_conf.h
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@@ -87,6 +87,10 @@ int virDomainNumatuneMaybeGetNodeset(virDomainNumaPtr numatune,
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size_t virDomainNumaGetNodeCount(virDomainNumaPtr numa);
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+bool virDomainNumaNodeDistanceIsUsingDefaults(virDomainNumaPtr numa,
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+ size_t node,
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+ size_t sibling)
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+ ATTRIBUTE_NONNULL(1);
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size_t virDomainNumaGetNodeDistance(virDomainNumaPtr numa,
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size_t node,
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size_t sibling)
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diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
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index 19543e06ae..0449b0185f 100644
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--- a/src/libvirt_private.syms
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+++ b/src/libvirt_private.syms
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@@ -727,6 +727,7 @@ virDomainNumaGetNodeDistance;
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virDomainNumaGetNodeMemoryAccessMode;
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virDomainNumaGetNodeMemorySize;
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virDomainNumaNew;
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+virDomainNumaNodeDistanceIsUsingDefaults;
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virDomainNumaSetNodeCount;
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virDomainNumaSetNodeCpumask;
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virDomainNumaSetNodeDistance;
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--
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2.15.1
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