From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/powerpc/include/asm/kvm_para.h | 69 ++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 kernel/arch/powerpc/include/asm/kvm_para.h (limited to 'kernel/arch/powerpc/include/asm/kvm_para.h') diff --git a/kernel/arch/powerpc/include/asm/kvm_para.h b/kernel/arch/powerpc/include/asm/kvm_para.h new file mode 100644 index 000000000..336a91acb --- /dev/null +++ b/kernel/arch/powerpc/include/asm/kvm_para.h @@ -0,0 +1,69 @@ +/* + * 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; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright IBM Corp. 2008 + * + * Authors: Hollis Blanchard + */ +#ifndef __POWERPC_KVM_PARA_H__ +#define __POWERPC_KVM_PARA_H__ + +#include + +#ifdef CONFIG_KVM_GUEST + +#include + +static inline int kvm_para_available(void) +{ + struct device_node *hyper_node; + + hyper_node = of_find_node_by_path("/hypervisor"); + if (!hyper_node) + return 0; + + if (!of_device_is_compatible(hyper_node, "linux,kvm")) + return 0; + + return 1; +} + +#else + +static inline int kvm_para_available(void) +{ + return 0; +} + +#endif + +static inline unsigned int kvm_arch_para_features(void) +{ + unsigned long r; + + if (!kvm_para_available()) + return 0; + + if(epapr_hypercall0_1(KVM_HCALL_TOKEN(KVM_HC_FEATURES), &r)) + return 0; + + return r; +} + +static inline bool kvm_check_and_clear_guest_paused(void) +{ + return false; +} + +#endif /* __POWERPC_KVM_PARA_H__ */ -- cgit 1.2.3-korg