[OpenWrt-Devel] [PATCH] kernel: Hyper-V support for Linux 3.18
Ning Ye
ning at oaklight.us
Fri Nov 27 11:25:46 EST 2015
kernel: Update Hyper-V support for Linux 3.18 and OpenWRT trunk. Now
requires at least 96 MB memory for VM.
Signed-off-by: Ning Ye <ning at oaklight.us>
---
config/Config-images.in | 10 ++++
package/kernel/linux/modules/virtual.mk | 86
+++++++++++++++++++++++++++++++++
target/linux/x86/config-3.18 | 9 ++++
target/linux/x86/image/Makefile | 10 ++++
4 files changed, 115 insertions(+)
diff --git a/config/Config-images.in b/config/Config-images.in index
a60dd50..ff16ef0 100644
--- a/config/Config-images.in
+++ b/config/Config-images.in
@@ -238,6 +238,16 @@ 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 GRUB_IMAGES
diff --git a/package/kernel/linux/modules/virtual.mk
b/package/kernel/linux/modules/virtual.mk
index 61a8a87..2d9f8dd 100644
--- a/package/kernel/linux/modules/virtual.mk
+++ b/package/kernel/linux/modules/virtual.mk
@@ -169,3 +169,89 @@ 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 \
+ CONFIG_PARAVIRT=n \
+ CONFIG_HYPERV=y
+ FILES:=$(LINUX_DIR)/drivers/hv/hv_balloon.ko \
+ $(LINUX_DIR)/drivers/hv/hv_vmbus.ko
+ AUTOLOAD:=$(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 \
+ $(LINUX_DIR)/drivers/hv/hv_vmbus.ko
+ AUTOLOAD:=$(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 \
+ $(LINUX_DIR)/drivers/hv/hv_vmbus.ko
+ AUTOLOAD:=$(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 \
+ $(LINUX_DIR)/drivers/hv/hv_vmbus.ko
+ AUTOLOAD:=$(call AutoLoad,40,hv_storvsc) endef
+
+define KernelPackage/hyperv-storage/description
+ Microsoft Hyper-V Storage Driver
+endef
+
+$(eval $(call KernelPackage,hyperv-storage))
diff --git a/target/linux/x86/config-3.18 b/target/linux/x86/config-3.18
index bb647c8..8ac3709 100644
--- a/target/linux/x86/config-3.18
+++ b/target/linux/x86/config-3.18
@@ -204,6 +204,15 @@ CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_GEODE=y
CONFIG_HW_RANDOM_VIA=y
# CONFIG_HYPERVISOR_GUEST is not set
+# CONFIG_HYPERV is not set
+# CONFIG_HYPERV_BALLOON is not set
+# CONFIG_HYPERV_NET is not set
+# CONFIG_HYPERV_STORAGE is not set
+# CONFIG_HYPERV_UTILS is not set
+# CONFIG_HYPERV_KEYBOARD is not set
+# CONFIG_FB_HYPERV is not set
+# CONFIG_HID_HYPERV_MOUSE is not set
+# CONFIG_VMWARE_BALLOON is not set
CONFIG_HZ_PERIODIC=y
CONFIG_I8253_LOCK=y
# CONFIG_I8K is not set
diff --git a/target/linux/x86/image/Makefile
b/target/linux/x86/image/Makefile index 8e56372..50507a7 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -148,6 +148,15 @@ ifneq ($(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 -f9n $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img
gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
@@ -219,6 +228,7 @@ 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
--
1.9.1
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