[OpenWrt-Devel] Hyper-V Support for X86 or X86_64
Thomas Heil
heil at terminal-consulting.de
Wed Oct 8 16:20:27 EDT 2014
Hi,
On 08.10.2014 14:08, Ning Ye wrote:
> Sorry for the late reply. To answer your questions, first I am trying to
> save the hassle with another target, but hyper-v supports are enabled either
> by manually selecting the hyper-v modules under virtualization or build VHD
> disk output. If you are using default x86 or x86_64 target, it wouldn't
> added hyper-v unless you turned them on.
>
> I couldn't make hyper-v module support work, especially the disk module. It
> hangs if it is kernel module only. My guess is that it needs the disk
> support in order to load other modules. Because the hyper-v is only enabled
> for hyper-v environment, building it into the kernel doesn't seem to waste
> any resources.
I think its better to create a seperate subtarget for x86_64? Do you
have any test images
for hyper-v that I could test?
> Best,
>
> Ning
cheers
thomas
>
> -----Original Message-----
> From: Hauke Mehrtens [mailto:hauke at hauke-m.de]
> Sent: Saturday, September 13, 2014 4:05 PM
> To: Ning Ye; 'OpenWrt Development List'
> Subject: Re: [OpenWrt-Devel] Hyper-V Support for X86 or X86_64
>
> On 07/28/2014 12:37 AM, Ning Ye wrote:
>> Hi All,
>>
>> Hyper-V support for X86 or X86_64 were noticeably missing. There is a
> previous patch for Kernel 3.3 but never maintained or merged into trunk.
> Here's my take on adding the Hyper-V support for the current kernel. No new
> sub targets or profiles are created, as long as the target is x86 or x86_64.
> The generic works well or any other profiles.
>> Also added a new VHD target image menu . The latest stable qemu-img
> supports Hyper-V vhd and vhdx. The old & current qemu 0.14.1 builds invalid
> vhd images. I am working on updating it to 2.0.0. Currently I am
> converting vmdk into vhd using third party tools.
>> Ning Ye
>> Signed-off-by: Ning Ye <ning at oaklight.us>
>>
>> ------------
>> diff --git a/config/Config-images.in b/config/Config-images.in old
>> mode 100644 new mode 100755 index 39e51e4..7020f84
>> --- a/config/Config-images.in
>> +++ b/config/Config-images.in
>> @@ -239,6 +239,16 @@ menu "Target Images"
>> select TARGET_IMAGES_PAD
>> select PACKAGE_kmod-e1000
>>
>> + config VHD_IMAGES
>> + bool "Build Hyper-V image files (VHD)"
>> + depends on TARGET_x86 || TARGET_x86_64
>> + select GRUB_IMAGES
>> + select TARGET_IMAGES_PAD
>> + select PACKAGE_kmod-hyperv-balloon
>> + select PACKAGE_kmod-hyperv-net-vsc
>> + select PACKAGE_kmod-hyperv-util
>> + select PACKAGE_kmod-hyperv-storage
>> +
>> config TARGET_IMAGES_PAD
>> bool "Pad images to filesystem size (for JFFS2)"
>> depends on OLPC_BOOTSCRIPT_IMAGES || GRUB_IMAGES diff --git
>> a/package/kernel/linux/modules/virtual.mk
>> b/package/kernel/linux/modules/virtual.mk
>> old mode 100644
>> new mode 100755
>> index 190d844..a67d71c
>> --- a/package/kernel/linux/modules/virtual.mk
>> +++ b/package/kernel/linux/modules/virtual.mk
>> @@ -186,3 +186,85 @@ define KernelPackage/xen-pcidev/description
>> endef
>>
>> $(eval $(call KernelPackage,xen-pcidev))
>> +
>> +#
>> +# Hyper-V Drives depends on x86 or x86_64.
>> +#
>> +define KernelPackage/hyperv-balloon
>> + SUBMENU:=$(VIRTUAL_MENU)
>> + DEPENDS:=@(TARGET_x86||TARGET_x86_64)
>> + TITLE:=Microsoft Hyper-V Balloon Driver
>> + KCONFIG:= \
>> + CONFIG_HYPERV_BALLOON \
>> + CONFIG_HYPERVISOR_GUEST=y \
> This adds some code to the kernel. I think it should be better to just
> extend the kvm_guest subtarget and the x86_64 target with support for
> Hyper-V.
>
>> + CONFIG_PARAVIRT=n \
>> + CONFIG_HYPERV=y
> It is possible to build this as a module why is it build into the kernel?
>
>> + FILES:=$(LINUX_DIR)/drivers/hv/hv_balloon.ko
>> + AUTOLOAD:=$(call AutoLoad,06,hv_balloon) endef
>> +
>> +define KernelPackage/hyperv-balloon/description
>> + Microsofot Hyper-V balloon driver.
>> +endef
>> +
>> +$(eval $(call KernelPackage,hyperv-balloon))
>> +
>> +define KernelPackage/hyperv-net-vsc
>> + SUBMENU:=$(VIRTUAL_MENU)
>> + DEPENDS:=@(TARGET_x86||TARGET_x86_64)
>> + TITLE:=Microsoft Hyper-V Network Driver
>> + KCONFIG:= \
>> + CONFIG_HYPERV_NET \
>> + CONFIG_HYPERVISOR_GUEST=y \
>> + CONFIG_PARAVIRT=n \
>> + CONFIG_HYPERV=y
>> + FILES:=$(LINUX_DIR)/drivers/net/hyperv/hv_netvsc.ko
>> + AUTOLOAD:=$(call AutoLoad,35,hv_netvsc) endef
>> +
>> +define KernelPackage/hyperv-net-vsc/description
>> + Microsoft Hyper-V Network Driver
>> +endef
>> +
>> +$(eval $(call KernelPackage,hyperv-net-vsc))
>> +
>> +define KernelPackage/hyperv-util
>> + SUBMENU:=$(VIRTUAL_MENU)
>> + DEPENDS:=@(TARGET_x86||TARGET_x86_64)
>> + TITLE:=Microsoft Hyper-V Utility Driver
>> + KCONFIG:= \
>> + CONFIG_HYPERV_UTILS \
>> + CONFIG_HYPERVISOR_GUEST=y \
>> + CONFIG_PARAVIRT=n \
>> + CONFIG_HYPERV=y
>> + FILES:=$(LINUX_DIR)/drivers/hv/hv_util.ko
>> + AUTOLOAD:=$(call AutoLoad,10,hv_util) endef
>> +
>> +define KernelPackage/hyperv-util/description
>> + Microsoft Hyper-V Utility Driver
>> +endef
>> +
>> +$(eval $(call KernelPackage,hyperv-util))
>> +
>> +#
>> +# Hyper-V Storage Drive needs to be in kernel rather than module to load
> the root fs.
>> +#
>> +define KernelPackage/hyperv-storage
>> + SUBMENU:=$(VIRTUAL_MENU)
>> + DEPENDS:=@(TARGET_x86||TARGET_x86_64) +kmod-scsi-core
>> + TITLE:=Microsoft Hyper-V Storage Driver
>> + KCONFIG:= \
>> + CONFIG_HYPERV_STORAGE=y \
>> + CONFIG_HYPERVISOR_GUEST=y \
>> + CONFIG_PARAVIRT=n \
>> + CONFIG_HYPERV=y
>> + FILES:=$(LINUX_DIR)/drivers/scsi/hv_storvsc.ko
>> + AUTOLOAD:=$(call AutoLoad,40,hv_storvsc) endef
>> +
>> +define KernelPackage/hyperv-storage/description
>> + Microsoft Hyper-V Storage Driver
>> +endef
>> +
>> +$(eval $(call KernelPackage,hyperv-storage))
>> diff --git a/target/linux/x86/config-3.10
>> b/target/linux/x86/config-3.10 old mode 100644 new mode 100755 index
>> 69f2f08..3fa6344
>> --- a/target/linux/x86/config-3.10
>> +++ b/target/linux/x86/config-3.10
>> @@ -193,6 +193,14 @@ CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_GEODE=y
>> CONFIG_HW_RANDOM_VIA=y # CONFIG_HYPERVISOR_GUEST is not set
>> +# CONFIG_HYPERV is not set
>> +# CONFIG_HYPERV_BALLOON is not set
>> +# CONFIG_HYPERV_NET is not set
>> +# CONFIG_HYPERV_STORAGE is not set
>> +# CONFIG_HYPERV_UTILS is not set
>> +# CONFIG_FB_HYPERV is not set
>> +# CONFIG_HID_HYPERV_MOUSE is not set
>> +# CONFIG_VMWARE_BALLOON is not set
>> CONFIG_HZ_PERIODIC=y
>> CONFIG_I8253_LOCK=y
>> # CONFIG_I8K is not set
>> diff --git a/target/linux/x86/image/Makefile
>> b/target/linux/x86/image/Makefile old mode 100644 new mode 100755
>> index 5983718..80ef5cf
>> --- a/target/linux/x86/image/Makefile
>> +++ b/target/linux/x86/image/Makefile
>> @@ -178,6 +178,15 @@ ifneq ($(CONFIG_VMDK_IMAGES),)
>> endef
>> endif
>>
>> +ifneq ($(CONFIG_VHD_IMAGES),)
>> + define Image/Build/vhd
>> + rm $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vhd || true
>> + qemu-img convert -f raw -O vpc \
>> + $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
>> + $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vhd
>> + endef
>> +endif
>> +
>> define Image/Build/gzip
>> gzip -f9 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img
>> gzip -f9 $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
>> @@ -252,6 +261,7 @@ define Image/Build
>> $(call Image/Build/grub2,$(1))
>> $(call Image/Build/vdi,$(1))
>> $(call Image/Build/vmdk,$(1))
>> + $(call Image/Build/vhd,$(1))
>> $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
>> else
>> $(CP) $(KDIR)/root.iso $(BIN_DIR)/$(IMG_PREFIX).iso diff --git
>> a/target/linux/x86_64/config-default
>> b/target/linux/x86_64/config-default
>> old mode 100644
>> new mode 100755
>> index 48145be..865aa81
>> --- a/target/linux/x86_64/config-default
>> +++ b/target/linux/x86_64/config-default
>> @@ -258,6 +258,13 @@ CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_INTEL=y #
>> CONFIG_HW_RANDOM_VIRTIO is not set CONFIG_HYPERVISOR_GUEST=y
>> +# CONFIG_HYPERV is not set
>> +# CONFIG_HYPERV_BALLOON is not set
>> +# CONFIG_HYPERV_NET is not set
>> +# CONFIG_HYPERV_STORAGE is not set
>> +# CONFIG_HYPERV_UTILS is not set
>> +# CONFIG_FB_HYPERV is not set
>> +# CONFIG_HID_HYPERV_MOUSE is not set
>> CONFIG_HZ_PERIODIC=y
>> # CONFIG_I7300_IDLE is not set
>> CONFIG_I8253_LOCK=y
>> diff --git a/target/linux/x86_64/image/Makefile
>> b/target/linux/x86_64/image/Makefile
>> old mode 100644
>> new mode 100755
>> index c2f1ce9..efa5fa9
>> --- a/target/linux/x86_64/image/Makefile
>> +++ b/target/linux/x86_64/image/Makefile
>> @@ -156,6 +156,16 @@ ifneq ($(CONFIG_VMDK_IMAGES),)
>> endef
>> endif
>>
>> +ifneq ($(CONFIG_VHD_IMAGES),)
>> + define Image/Build/vhd
>> + rm $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vhd || true
>> + qemu-img convert -f raw -O vpc \
>> + $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
>> + $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vhd
>> + endef
>> +endif
>> +
>> +
>> define Image/Build/gzip
>> gzip -f9 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img
>> gzip -f9 $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
>> @@ -199,6 +209,7 @@ define Image/Build
>> $(call Image/Build/grub2,$(1))
>> $(call Image/Build/vdi,$(1))
>> $(call Image/Build/vmdk,$(1))
>> + $(call Image/Build/vhd,$(1))
>> $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
>> else
>> $(CP) $(KDIR)/root.iso $(BIN_DIR)/$(IMG_PREFIX).iso
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