From patchwork Tue Mar 5 03:47:37 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 2216941 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 68A39DF24C for ; Tue, 5 Mar 2013 03:57:33 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UCixg-00013q-0g; Tue, 05 Mar 2013 03:54:44 +0000 Received: from inca-roads.misterjones.org ([213.251.177.50]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UCix9-0000jb-7D for linux-arm-kernel@lists.infradead.org; Tue, 05 Mar 2013 03:54:12 +0000 Received: from [118.143.64.134] (helo=why.wild-wind.fr.eu.org) by inca-roads.misterjones.org with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1UCis1-0002NK-9q; Tue, 05 Mar 2013 04:48:54 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Subject: [PATCH 21/29] arm64: KVM: Build system integration Date: Tue, 5 Mar 2013 03:47:37 +0000 Message-Id: <1362455265-24165-22-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1362455265-24165-1-git-send-email-marc.zyngier@arm.com> References: <1362455265-24165-1-git-send-email-marc.zyngier@arm.com> X-SA-Exim-Connect-IP: 118.143.64.134 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, catalin.marinas@arm.com X-SA-Exim-Mail-From: marc.zyngier@arm.com X-SA-Exim-Scanned: No (on inca-roads.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130304_225411_451850_C35A3388 X-CRM114-Status: GOOD ( 12.79 ) X-Spam-Score: -1.2 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: catalin.marinas@arm.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Marc Zyngier --- arch/arm64/Kconfig | 2 ++ arch/arm64/Makefile | 2 +- arch/arm64/kvm/Kconfig | 59 +++++++++++++++++++++++++++++++++++++++++++++++++ arch/arm64/kvm/Makefile | 18 +++++++++++++++ 4 files changed, 80 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/kvm/Kconfig create mode 100644 arch/arm64/kvm/Makefile diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 536611a..cff688b 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -241,6 +241,8 @@ source "drivers/Kconfig" source "fs/Kconfig" +source "arch/arm64/kvm/Kconfig" + source "arch/arm64/Kconfig.debug" source "security/Kconfig" diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index c95c5cb..ae89e63 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -36,7 +36,7 @@ TEXT_OFFSET := 0x00080000 export TEXT_OFFSET GZFLAGS -core-y += arch/arm64/kernel/ arch/arm64/mm/ +core-y += arch/arm64/kernel/ arch/arm64/mm/ arch/arm64/kvm/ libs-y := arch/arm64/lib/ $(libs-y) libs-y += $(LIBGCC) diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig new file mode 100644 index 0000000..a76be8b --- /dev/null +++ b/arch/arm64/kvm/Kconfig @@ -0,0 +1,59 @@ +# +# KVM configuration +# + +source "virt/kvm/Kconfig" + +menuconfig VIRTUALIZATION + bool "Virtualization" + ---help--- + Say Y here to get to see options for using your Linux host to run + other operating systems inside virtual machines (guests). + This option alone does not add any kernel code. + + If you say N, all options in this submenu will be skipped and + disabled. + +if VIRTUALIZATION + +config KVM + bool "Kernel-based Virtual Machine (KVM) support" + select PREEMPT_NOTIFIERS + select ANON_INODES + select KVM_MMIO + select KVM_ARM_HOST + select KVM_ARM_VGIC + select KVM_ARM_TIMER + ---help--- + Support hosting virtualized guest machines. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + If unsure, say N. + +config KVM_ARM_HOST + bool + depends on KVM + depends on MMU + select MMU_NOTIFIER + ---help--- + Provides host support for ARM processors. + +config KVM_ARM_VGIC + bool + depends on KVM_ARM_HOST && OF + select HAVE_KVM_IRQCHIP + ---help--- + Adds support for a hardware assisted, in-kernel GIC emulation. + +config KVM_ARM_TIMER + bool + depends on KVM_ARM_VGIC + select HAVE_KVM_IRQCHIP + ---help--- + Adds support for the Architected Timers in virtual machines + +source drivers/virtio/Kconfig + +endif # VIRTUALIZATION diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile new file mode 100644 index 0000000..14ba38d --- /dev/null +++ b/arch/arm64/kvm/Makefile @@ -0,0 +1,18 @@ +# +# Makefile for Kernel-based Virtual Machine module +# + +ccflags-y += -Ivirt/kvm -Iarch/arm64/kvm +CFLAGS_arm.o := -I. +CFLAGS_mmu.o := -I. + +obj-$(CONFIG_KVM_ARM_HOST) += $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o) + +obj-$(CONFIG_KVM_ARM_HOST) += $(addprefix ../../../arch/arm/kvm/, arm.o mmu.o mmio.o psci.o perf.o) + +obj-$(CONFIG_KVM_ARM_HOST) += inject_fault.o +obj-$(CONFIG_KVM_ARM_HOST) += hyp.o hyp-init.o handle_exit.o idmap.o +obj-$(CONFIG_KVM_ARM_HOST) += guest.o reset.o sys_regs.o sys_regs_a57.o + +obj-$(CONFIG_KVM_ARM_VGIC) += $(addprefix ../../../arch/arm/kvm/, vgic.o) +obj-$(CONFIG_KVM_ARM_TIMER) += $(addprefix ../../../arch/arm/kvm/, arch_timer.o)