From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756735AbbCSPDz (ORCPT ); Thu, 19 Mar 2015 11:03:55 -0400 Received: from mail-wi0-f170.google.com ([209.85.212.170]:38120 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751577AbbCSO61 (ORCPT ); Thu, 19 Mar 2015 10:58:27 -0400 From: Eric Auger To: eric.auger@st.com, eric.auger@linaro.org, christoffer.dall@linaro.org, marc.zyngier@arm.com, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, alex.williamson@redhat.com Cc: linux-kernel@vger.kernel.org, patches@linaro.org, pbonzini@redhat.com, kim.phillips@freescale.com, b.reynal@virtualopensystems.com, feng.wu@intel.com, Kim Phillips Subject: [RFC v5 01/13] KVM: arm/arm64: Enable the KVM-VFIO device Date: Thu, 19 Mar 2015 15:55:39 +0100 Message-Id: <1426776951-24901-2-git-send-email-eric.auger@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1426776951-24901-1-git-send-email-eric.auger@linaro.org> References: <1426776951-24901-1-git-send-email-eric.auger@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kim Phillips The KVM-VFIO device is used by the QEMU VFIO device. It is used to record the list of in-use VFIO groups so that KVM can manipulate them. With this series, it will also be used to record the forwarded IRQs. Signed-off-by: Kim Phillips Signed-off-by: Eric Auger --- v4 -> v5: - reword the commit message to explain both usages of the KVM-VFIO device in QEMU - squash both arm and arm64 enables --- arch/arm/kvm/Kconfig | 1 + arch/arm/kvm/Makefile | 2 +- arch/arm64/kvm/Kconfig | 1 + arch/arm64/kvm/Makefile | 2 +- 4 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig index f1f79d1..bfb915d 100644 --- a/arch/arm/kvm/Kconfig +++ b/arch/arm/kvm/Kconfig @@ -28,6 +28,7 @@ config KVM select KVM_GENERIC_DIRTYLOG_READ_PROTECT select SRCU select MMU_NOTIFIER + select KVM_VFIO select HAVE_KVM_EVENTFD select HAVE_KVM_IRQFD depends on ARM_VIRT_EXT && ARM_LPAE && ARM_ARCH_TIMER diff --git a/arch/arm/kvm/Makefile b/arch/arm/kvm/Makefile index a093bf1..a4dbb97 100644 --- a/arch/arm/kvm/Makefile +++ b/arch/arm/kvm/Makefile @@ -15,7 +15,7 @@ AFLAGS_init.o := -Wa,-march=armv7-a$(plus_virt) AFLAGS_interrupts.o := -Wa,-march=armv7-a$(plus_virt) KVM := ../../../virt/kvm -kvm-arm-y = $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o +kvm-arm-y = $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o $(KVM)/vfio.o obj-y += kvm-arm.o init.o interrupts.o obj-y += arm.o handle_exit.o guest.o mmu.o emulate.o reset.o diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 5105e29..bfffe8f 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -28,6 +28,7 @@ config KVM select KVM_ARM_HOST select KVM_GENERIC_DIRTYLOG_READ_PROTECT select SRCU + select KVM_VFIO select HAVE_KVM_EVENTFD select HAVE_KVM_IRQFD ---help--- diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile index b22c636..7104ca1 100644 --- a/arch/arm64/kvm/Makefile +++ b/arch/arm64/kvm/Makefile @@ -11,7 +11,7 @@ ARM=../../../arch/arm/kvm obj-$(CONFIG_KVM_ARM_HOST) += kvm.o -kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o +kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o $(KVM)/vfio.o kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/arm.o $(ARM)/mmu.o $(ARM)/mmio.o kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/psci.o $(ARM)/perf.o -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric.auger@linaro.org (Eric Auger) Date: Thu, 19 Mar 2015 15:55:39 +0100 Subject: [RFC v5 01/13] KVM: arm/arm64: Enable the KVM-VFIO device In-Reply-To: <1426776951-24901-1-git-send-email-eric.auger@linaro.org> References: <1426776951-24901-1-git-send-email-eric.auger@linaro.org> Message-ID: <1426776951-24901-2-git-send-email-eric.auger@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Kim Phillips The KVM-VFIO device is used by the QEMU VFIO device. It is used to record the list of in-use VFIO groups so that KVM can manipulate them. With this series, it will also be used to record the forwarded IRQs. Signed-off-by: Kim Phillips Signed-off-by: Eric Auger --- v4 -> v5: - reword the commit message to explain both usages of the KVM-VFIO device in QEMU - squash both arm and arm64 enables --- arch/arm/kvm/Kconfig | 1 + arch/arm/kvm/Makefile | 2 +- arch/arm64/kvm/Kconfig | 1 + arch/arm64/kvm/Makefile | 2 +- 4 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig index f1f79d1..bfb915d 100644 --- a/arch/arm/kvm/Kconfig +++ b/arch/arm/kvm/Kconfig @@ -28,6 +28,7 @@ config KVM select KVM_GENERIC_DIRTYLOG_READ_PROTECT select SRCU select MMU_NOTIFIER + select KVM_VFIO select HAVE_KVM_EVENTFD select HAVE_KVM_IRQFD depends on ARM_VIRT_EXT && ARM_LPAE && ARM_ARCH_TIMER diff --git a/arch/arm/kvm/Makefile b/arch/arm/kvm/Makefile index a093bf1..a4dbb97 100644 --- a/arch/arm/kvm/Makefile +++ b/arch/arm/kvm/Makefile @@ -15,7 +15,7 @@ AFLAGS_init.o := -Wa,-march=armv7-a$(plus_virt) AFLAGS_interrupts.o := -Wa,-march=armv7-a$(plus_virt) KVM := ../../../virt/kvm -kvm-arm-y = $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o +kvm-arm-y = $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o $(KVM)/vfio.o obj-y += kvm-arm.o init.o interrupts.o obj-y += arm.o handle_exit.o guest.o mmu.o emulate.o reset.o diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 5105e29..bfffe8f 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -28,6 +28,7 @@ config KVM select KVM_ARM_HOST select KVM_GENERIC_DIRTYLOG_READ_PROTECT select SRCU + select KVM_VFIO select HAVE_KVM_EVENTFD select HAVE_KVM_IRQFD ---help--- diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile index b22c636..7104ca1 100644 --- a/arch/arm64/kvm/Makefile +++ b/arch/arm64/kvm/Makefile @@ -11,7 +11,7 @@ ARM=../../../arch/arm/kvm obj-$(CONFIG_KVM_ARM_HOST) += kvm.o -kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o +kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o $(KVM)/vfio.o kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/arm.o $(ARM)/mmu.o $(ARM)/mmio.o kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/psci.o $(ARM)/perf.o -- 1.9.1