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authorcodeworkx <daniel.hillenbrand@codeworkx.de>2012-06-02 13:09:29 +0200
committercodeworkx <daniel.hillenbrand@codeworkx.de>2012-06-02 13:09:29 +0200
commitc6da2cfeb05178a11c6d062a06f8078150ee492f (patch)
treef3b4021d252c52d6463a9b3c1bb7245e399b009c /arch/arm/mvp/commkm/check_kconfig.c
parentc6d7c4dbff353eac7919342ae6b3299a378160a6 (diff)
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Diffstat (limited to 'arch/arm/mvp/commkm/check_kconfig.c')
-rw-r--r--arch/arm/mvp/commkm/check_kconfig.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/arm/mvp/commkm/check_kconfig.c b/arch/arm/mvp/commkm/check_kconfig.c
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+++ b/arch/arm/mvp/commkm/check_kconfig.c
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+/*
+ * Linux 2.6.32 and later Kernel module for VMware MVP Guest Communications
+ *
+ * Copyright (C) 2010-2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING. If not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#line 5
+
+/**
+ * @file
+ * @brief Check for required kernel configuration
+ *
+ * Check to make sure that the kernel options that the MVP hypervisor requires
+ * have been enabled in the kernel that this kernel module is being built
+ * against.
+ */
+#include <linux/version.h>
+
+/*
+ * Minimum kernel version
+ * - network namespace support is only really functional starting in 2.6.29
+ * - Android Gingerbread requires 2.6.35
+ */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
+#error "MVP requires a host kernel newer than 2.6.35"
+#endif
+
+/* module loading ability */
+#ifndef CONFIG_MODULES
+#error "MVP requires kernel loadable module support be enabled (CONFIG_MODULES)"
+#endif
+#ifndef CONFIG_MODULE_UNLOAD
+#error "MVP requires kernel module unload support be enabled (CONFIG_MODULE_UNLOAD)"
+#endif
+
+/* sysfs */
+#ifndef CONFIG_SYSFS
+#error "MVP requires sysfs support (CONFIG_SYSFS)"
+#endif
+
+/* network traffic isolation */
+#ifndef CONFIG_NAMESPACES
+#error "MVP networking support requires namespace support (CONFIG_NAMESPACES)"
+#endif
+#ifndef CONFIG_NET_NS
+#error "MVP networking support requires Network Namespace support to be enabled (CONFIG_NET_NS)"
+#endif
+
+/* TCP/IP networking */
+#ifndef CONFIG_INET
+#error "MVP networking requires IPv4 support (CONFIG_INET)"
+#endif
+#ifndef CONFIG_IPV6
+#error "MVP networking requires IPv6 support (CONFIG_IPV6)"
+#endif
+
+/* VPN support */
+#if !defined(CONFIG_TUN) && !defined(CONFIG_TUN_MODULE)
+#error "MVP VPN support requires TUN device support (CONFIG_TUN)"
+#endif
+
+#if !defined(CONFIG_NETFILTER) && !defined(PVTCP_DISABLE_NETFILTER)
+#error "MVP networking support requires netfilter support (CONFIG_NETFILTER)"
+#endif
+
+/* Force /proc/config.gz support for eng/userdebug builds */
+#ifdef MVP_DEBUG
+#if !defined(CONFIG_IKCONFIG) || !defined(CONFIG_IKCONFIG_PROC)
+#error "MVP kernel /proc/config.gz support required for debuggability (CONFIG_IKCONFIG_PROC)"
+#endif
+#endif
+
+/* Sanity check we're only dealing with the memory hotplug + migrate and/or
+ * compaction combo */
+#ifdef CONFIG_MIGRATION
+#if defined(CONFIG_NUMA) || defined(CONFIG_CPUSETS) || defined(CONFIG_MEMORY_FAILURE)
+#error "MVP not tested with migration features other than CONFIG_MEMORY_HOTPLUG and CONFIG_COMPACTION"
+#endif
+#endif