From 74a59c2b1a4b23978ac9aad56540aec64cc3f3e0 Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Mon, 12 Aug 2019 14:01:46 +0200
Subject: [vmware-version-check] CPU support check helper

---
 .../opt/openslx/bin/vmware-get-supported-version   | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 core/modules/vmware-version-check/data/opt/openslx/bin/vmware-get-supported-version

(limited to 'core/modules/vmware-version-check/data/opt/openslx/bin/vmware-get-supported-version')

diff --git a/core/modules/vmware-version-check/data/opt/openslx/bin/vmware-get-supported-version b/core/modules/vmware-version-check/data/opt/openslx/bin/vmware-get-supported-version
new file mode 100755
index 00000000..82bd7d50
--- /dev/null
+++ b/core/modules/vmware-version-check/data/opt/openslx/bin/vmware-get-supported-version
@@ -0,0 +1,22 @@
+#!/bin/ash
+# This script checks whether given VMware version supports the CPU:
+# * Intel: check for "VMX Unrestricted Guest" CPU flag
+# * AMD:   check if CPU family is Bulldozer or newer
+
+export PATH=$PATH:/opt/openslx/sbin:/opt/openslx/bin
+
+get_supported_version() {
+	local vendor="$( awk '$1 == "vendor_id" {print $NF;exit}' /proc/cpuinfo )"
+	local version=12
+	if [ "$vendor" = "GenuineIntel" ]; then
+		modprobe msr
+		flag="$( rdmsr --bitfield 5:5 0x485 )"
+		[ "$flag" = 1 ] && version=15
+	elif [ "$vendor" = "AuthenticAMD" ]; then
+		family="$( awk '$1$2 == "cpufamily" {print $NF;exit}' /proc/cpuinfo )"
+		[ "$family" -ge 21 ] && version=15
+	fi
+	echo "$version"
+}
+
+get_supported_version
-- 
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