From: Tim Wiederhake <twiederh@redhat.com>
Date: Mon, 11 Oct 2021 09:52:22 +0000 (+0200)
Subject: cpu_arm: Implement virCPUDataIsIdentical for arm
X-Git-Tag: v7.10.0-rc1~188
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad30d8601978f93bd6cea41f43b12353209c8973;p=thirdparty%2Flibvirt.git

cpu_arm: Implement virCPUDataIsIdentical for arm

Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
---

diff --git a/src/cpu/cpu_arm.c b/src/cpu/cpu_arm.c
index ac174891b7..c9114d53bf 100644
--- a/src/cpu/cpu_arm.c
+++ b/src/cpu/cpu_arm.c
@@ -124,6 +124,32 @@ virCPUarmDataClear(virCPUarmData *data)
     g_strfreev(data->features);
 }
 
+static virCPUCompareResult
+virCPUarmDataIsIdentical(const virCPUData *a,
+                         const virCPUData *b)
+{
+    size_t i;
+
+    if (!a || !b)
+        return VIR_CPU_COMPARE_ERROR;
+
+    if (a->arch != b->arch)
+        return VIR_CPU_COMPARE_INCOMPATIBLE;
+
+    if (a->data.arm.pvr != b->data.arm.pvr)
+        return VIR_CPU_COMPARE_INCOMPATIBLE;
+
+    if (a->data.arm.vendor_id != b->data.arm.vendor_id)
+        return VIR_CPU_COMPARE_INCOMPATIBLE;
+
+    for (i = 0; i < MAX_CPU_FLAGS; ++i) {
+        if (STRNEQ(a->data.arm.features[i], b->data.arm.features[i]))
+            return VIR_CPU_COMPARE_INCOMPATIBLE;
+    }
+
+    return VIR_CPU_COMPARE_IDENTICAL;
+}
+
 static void
 virCPUarmDataFree(virCPUData *cpuData)
 {
@@ -674,4 +700,5 @@ struct cpuArchDriver cpuDriverArm = {
     .baseline = virCPUarmBaseline,
     .update = virCPUarmUpdate,
     .validateFeatures = virCPUarmValidateFeatures,
+    .dataIsIdentical = virCPUarmDataIsIdentical,
 };