Merge pull request #4859 from dcantah/update-hcsshim-winio

Update hcsshim and go-winio vendoring
2020-12-28 22:40:11 +09:00 · 2020-12-28 22:40:11 +09:00 · 9d98f882b9
commit 9d98f882b9
parent cf62a557a8 a551492e99
52 changed files with 1822 additions and 266 deletions
--- a/go.mod
+++ b/go.mod
@ -4,9 +4,9 @@ go 1.15

 require (
 	github.com/BurntSushi/toml v0.3.1
-	github.com/Microsoft/go-winio v0.4.15
-	github.com/Microsoft/hcsshim v0.8.10
-	github.com/Microsoft/hcsshim/test v0.0.0-20201119174602-966bebae11b4
+	github.com/Microsoft/go-winio v0.4.16
+	github.com/Microsoft/hcsshim v0.8.14
+	github.com/Microsoft/hcsshim/test v0.0.0-20201218223536-d3e5debf77da
 	github.com/containerd/aufs v0.0.0-20200908144142-dab0cbea06f4
 	github.com/containerd/btrfs v0.0.0-20201111183144-404b9149801e
 	github.com/containerd/cgroups v0.0.0-20200824123100-0b889c03f102
--- a/go.sum
+++ b/go.sum
@ -31,17 +31,17 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
-github.com/Microsoft/go-winio v0.4.15-0.20200908182639-5b44b70ab3ab/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
-github.com/Microsoft/go-winio v0.4.15 h1:qkLXKzb1QoVatRyd/YlXZ/Kg0m5K3SPuoD82jjSOaBc=
-github.com/Microsoft/go-winio v0.4.15/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
+github.com/Microsoft/go-winio v0.4.16 h1:FtSW/jqD+l4ba5iPBj9CODVtgfYAD8w2wS923g/cFDk=
+github.com/Microsoft/go-winio v0.4.16/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
 github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
 github.com/Microsoft/hcsshim v0.8.7-0.20190325164909-8abdbb8205e4/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
 github.com/Microsoft/hcsshim v0.8.7/go.mod h1:OHd7sQqRFrYd3RmSgbgji+ctCwkbq2wbEYNSzOYtcBQ=
 github.com/Microsoft/hcsshim v0.8.9/go.mod h1:5692vkUqntj1idxauYlpoINNKeqCiG6Sg38RRsjT5y8=
-github.com/Microsoft/hcsshim v0.8.10 h1:k5wTrpnVU2/xv8ZuzGkbXVd3js5zJ8RnumPo5RxiIxU=
-github.com/Microsoft/hcsshim v0.8.10/go.mod h1:g5uw8EV2mAlzqe94tfNBNdr89fnbD/n3HV0OhsddkmM=
-github.com/Microsoft/hcsshim/test v0.0.0-20201119174602-966bebae11b4 h1:1Q14MTWJKwTKSXQqAumktvGuUZ5dZflHNm/sMgGa7/4=
-github.com/Microsoft/hcsshim/test v0.0.0-20201119174602-966bebae11b4/go.mod h1:IrOsC3sbIiki4idDR4z1Plxm8vAUM5dKN/HEVkRU0GI=
+github.com/Microsoft/hcsshim v0.8.14 h1:lbPVK25c1cu5xTLITwpUcxoA9vKrKErASPYygvouJns=
+github.com/Microsoft/hcsshim v0.8.14/go.mod h1:NtVKoYxQuTLx6gEq0L96c9Ju4JbRJ4nY2ow3VK6a9Lg=
+github.com/Microsoft/hcsshim/test v0.0.0-20201218223536-d3e5debf77da h1:sqPBuX6WumurdHaSRbS8xyyyP8Rf7kUpLUlJaN7rztw=
+github.com/Microsoft/hcsshim/test v0.0.0-20201218223536-d3e5debf77da/go.mod h1:5hlzMzRKMLyo42nCZ9oml8AdTlq/0cvIaBv6tK1RehU=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
--- a/vendor/github.com/Microsoft/go-winio/go.mod
+++ b/vendor/github.com/Microsoft/go-winio/go.mod
@ -3,7 +3,7 @@ module github.com/Microsoft/go-winio
 go 1.12

 require (
-	github.com/pkg/errors v0.8.1
+	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.4.1
 	golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3
 )
--- a/vendor/github.com/Microsoft/go-winio/go.sum
+++ b/vendor/github.com/Microsoft/go-winio/go.sum
@ -2,8 +2,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
-github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.4.1 h1:GL2rEmy6nsikmW0r8opw9JIRScdMF5hA8cOYLH7In1k=
@ -12,7 +12,5 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b h1:ag/x1USPSsqHud38I9BAC88qdNLDHHtQ4mlgQIZPPNA=
-golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3 h1:7TYNF4UdlohbFwpNH04CoPMp1cHUZgO1Ebq5r2hIjfo=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
--- a/vendor/github.com/Microsoft/go-winio/pipe.go
+++ b/vendor/github.com/Microsoft/go-winio/pipe.go
@ -429,10 +429,10 @@ type PipeConfig struct {
 	// when the pipe is in message mode.
 	MessageMode bool

-	// InputBufferSize specifies the size the input buffer, in bytes.
+	// InputBufferSize specifies the size of the input buffer, in bytes.
 	InputBufferSize int32

-	// OutputBufferSize specifies the size the input buffer, in bytes.
+	// OutputBufferSize specifies the size of the output buffer, in bytes.
 	OutputBufferSize int32
 }

--- a/vendor/github.com/Microsoft/go-winio/vhd/vhd.go
+++ b/vendor/github.com/Microsoft/go-winio/vhd/vhd.go
@ -2,150 +2,323 @@

 package vhd

-import "syscall"
+import (
+	"fmt"
+	"syscall"
+
+	"github.com/Microsoft/go-winio/pkg/guid"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/windows"
+)

 //go:generate go run mksyscall_windows.go -output zvhd.go vhd.go

-//sys createVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, flags uint32, providerSpecificFlags uint32, parameters *createVirtualDiskParameters, o *syscall.Overlapped, handle *syscall.Handle) (err error) [failretval != 0] = VirtDisk.CreateVirtualDisk
-//sys openVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, flags uint32, parameters *openVirtualDiskParameters, handle *syscall.Handle) (err error) [failretval != 0] = VirtDisk.OpenVirtualDisk
-//sys detachVirtualDisk(handle syscall.Handle, flags uint32, providerSpecificFlags uint32) (err error) [failretval != 0] = VirtDisk.DetachVirtualDisk
-
-type virtualStorageType struct {
-	DeviceID uint32
-	VendorID [16]byte
-}
+//sys createVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) [failretval != 0] = virtdisk.CreateVirtualDisk
+//sys openVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) [failretval != 0] = virtdisk.OpenVirtualDisk
+//sys attachVirtualDisk(handle syscall.Handle, securityDescriptor *uintptr, attachVirtualDiskFlag uint32, providerSpecificFlags uint32, parameters *AttachVirtualDiskParameters, overlapped *syscall.Overlapped) (err error) [failretval != 0] = virtdisk.AttachVirtualDisk
+//sys detachVirtualDisk(handle syscall.Handle, detachVirtualDiskFlags uint32, providerSpecificFlags uint32) (err error) [failretval != 0] = virtdisk.DetachVirtualDisk
+//sys getVirtualDiskPhysicalPath(handle syscall.Handle, diskPathSizeInBytes *uint32, buffer *uint16) (err error) [failretval != 0] = virtdisk.GetVirtualDiskPhysicalPath

 type (
-	createVirtualDiskFlag uint32
-	VirtualDiskAccessMask uint32
+	CreateVirtualDiskFlag uint32
 	VirtualDiskFlag       uint32
+	AttachVirtualDiskFlag uint32
+	DetachVirtualDiskFlag uint32
+	VirtualDiskAccessMask uint32
 )

-const (
-	// Flags for creating a VHD (not exported)
-	createVirtualDiskFlagNone                        createVirtualDiskFlag = 0
-	createVirtualDiskFlagFullPhysicalAllocation      createVirtualDiskFlag = 1
-	createVirtualDiskFlagPreventWritesToSourceDisk   createVirtualDiskFlag = 2
-	createVirtualDiskFlagDoNotCopyMetadataFromParent createVirtualDiskFlag = 4
+type VirtualStorageType struct {
+	DeviceID uint32
+	VendorID guid.GUID
+}

-	// Access Mask for opening a VHD
-	VirtualDiskAccessNone     VirtualDiskAccessMask = 0
-	VirtualDiskAccessAttachRO VirtualDiskAccessMask = 65536
-	VirtualDiskAccessAttachRW VirtualDiskAccessMask = 131072
-	VirtualDiskAccessDetach   VirtualDiskAccessMask = 262144
-	VirtualDiskAccessGetInfo  VirtualDiskAccessMask = 524288
-	VirtualDiskAccessCreate   VirtualDiskAccessMask = 1048576
-	VirtualDiskAccessMetaOps  VirtualDiskAccessMask = 2097152
-	VirtualDiskAccessRead     VirtualDiskAccessMask = 851968
-	VirtualDiskAccessAll      VirtualDiskAccessMask = 4128768
-	VirtualDiskAccessWritable VirtualDiskAccessMask = 3276800
-
-	// Flags for opening a VHD
-	OpenVirtualDiskFlagNone                        VirtualDiskFlag = 0
-	OpenVirtualDiskFlagNoParents                   VirtualDiskFlag = 0x1
-	OpenVirtualDiskFlagBlankFile                   VirtualDiskFlag = 0x2
-	OpenVirtualDiskFlagBootDrive                   VirtualDiskFlag = 0x4
-	OpenVirtualDiskFlagCachedIO                    VirtualDiskFlag = 0x8
-	OpenVirtualDiskFlagCustomDiffChain             VirtualDiskFlag = 0x10
-	OpenVirtualDiskFlagParentCachedIO              VirtualDiskFlag = 0x20
-	OpenVirtualDiskFlagVhdSetFileOnly              VirtualDiskFlag = 0x40
-	OpenVirtualDiskFlagIgnoreRelativeParentLocator VirtualDiskFlag = 0x80
-	OpenVirtualDiskFlagNoWriteHardening            VirtualDiskFlag = 0x100
-)
-
-type createVersion2 struct {
-	UniqueID                 [16]byte // GUID
+type CreateVersion2 struct {
+	UniqueID                 guid.GUID
 	MaximumSize              uint64
 	BlockSizeInBytes         uint32
 	SectorSizeInBytes        uint32
+	PhysicalSectorSizeInByte uint32
 	ParentPath               *uint16 // string
 	SourcePath               *uint16 // string
 	OpenFlags                uint32
-	ParentVirtualStorageType virtualStorageType
-	SourceVirtualStorageType virtualStorageType
-	ResiliencyGUID           [16]byte // GUID
+	ParentVirtualStorageType VirtualStorageType
+	SourceVirtualStorageType VirtualStorageType
+	ResiliencyGUID           guid.GUID
 }

-type createVirtualDiskParameters struct {
+type CreateVirtualDiskParameters struct {
 	Version  uint32 // Must always be set to 2
-	Version2 createVersion2
+	Version2 CreateVersion2
 }

-type openVersion2 struct {
-	GetInfoOnly    int32    // bool but 4-byte aligned
-	ReadOnly       int32    // bool but 4-byte aligned
-	ResiliencyGUID [16]byte // GUID
+type OpenVersion2 struct {
+	GetInfoOnly    bool
+	ReadOnly       bool
+	ResiliencyGUID guid.GUID
 }

-type openVirtualDiskParameters struct {
+type OpenVirtualDiskParameters struct {
 	Version  uint32 // Must always be set to 2
-	Version2 openVersion2
+	Version2 OpenVersion2
 }

-// CreateVhdx will create a simple vhdx file at the given path using default values.
+type AttachVersion2 struct {
+	RestrictedOffset uint64
+	RestrictedLength uint64
+}
+
+type AttachVirtualDiskParameters struct {
+	Version  uint32 // Must always be set to 2
+	Version2 AttachVersion2
+}
+
+const (
+	VIRTUAL_STORAGE_TYPE_DEVICE_VHDX = 0x3
+
+	// Access Mask for opening a VHD
+	VirtualDiskAccessNone     VirtualDiskAccessMask = 0x00000000
+	VirtualDiskAccessAttachRO VirtualDiskAccessMask = 0x00010000
+	VirtualDiskAccessAttachRW VirtualDiskAccessMask = 0x00020000
+	VirtualDiskAccessDetach   VirtualDiskAccessMask = 0x00040000
+	VirtualDiskAccessGetInfo  VirtualDiskAccessMask = 0x00080000
+	VirtualDiskAccessCreate   VirtualDiskAccessMask = 0x00100000
+	VirtualDiskAccessMetaOps  VirtualDiskAccessMask = 0x00200000
+	VirtualDiskAccessRead     VirtualDiskAccessMask = 0x000d0000
+	VirtualDiskAccessAll      VirtualDiskAccessMask = 0x003f0000
+	VirtualDiskAccessWritable VirtualDiskAccessMask = 0x00320000
+
+	// Flags for creating a VHD
+	CreateVirtualDiskFlagNone                              CreateVirtualDiskFlag = 0x0
+	CreateVirtualDiskFlagFullPhysicalAllocation            CreateVirtualDiskFlag = 0x1
+	CreateVirtualDiskFlagPreventWritesToSourceDisk         CreateVirtualDiskFlag = 0x2
+	CreateVirtualDiskFlagDoNotCopyMetadataFromParent       CreateVirtualDiskFlag = 0x4
+	CreateVirtualDiskFlagCreateBackingStorage              CreateVirtualDiskFlag = 0x8
+	CreateVirtualDiskFlagUseChangeTrackingSourceLimit      CreateVirtualDiskFlag = 0x10
+	CreateVirtualDiskFlagPreserveParentChangeTrackingState CreateVirtualDiskFlag = 0x20
+	CreateVirtualDiskFlagVhdSetUseOriginalBackingStorage   CreateVirtualDiskFlag = 0x40
+	CreateVirtualDiskFlagSparseFile                        CreateVirtualDiskFlag = 0x80
+	CreateVirtualDiskFlagPmemCompatible                    CreateVirtualDiskFlag = 0x100
+	CreateVirtualDiskFlagSupportCompressedVolumes          CreateVirtualDiskFlag = 0x200
+
+	// Flags for opening a VHD
+	OpenVirtualDiskFlagNone                        VirtualDiskFlag = 0x00000000
+	OpenVirtualDiskFlagNoParents                   VirtualDiskFlag = 0x00000001
+	OpenVirtualDiskFlagBlankFile                   VirtualDiskFlag = 0x00000002
+	OpenVirtualDiskFlagBootDrive                   VirtualDiskFlag = 0x00000004
+	OpenVirtualDiskFlagCachedIO                    VirtualDiskFlag = 0x00000008
+	OpenVirtualDiskFlagCustomDiffChain             VirtualDiskFlag = 0x00000010
+	OpenVirtualDiskFlagParentCachedIO              VirtualDiskFlag = 0x00000020
+	OpenVirtualDiskFlagVhdsetFileOnly              VirtualDiskFlag = 0x00000040
+	OpenVirtualDiskFlagIgnoreRelativeParentLocator VirtualDiskFlag = 0x00000080
+	OpenVirtualDiskFlagNoWriteHardening            VirtualDiskFlag = 0x00000100
+	OpenVirtualDiskFlagSupportCompressedVolumes    VirtualDiskFlag = 0x00000200
+
+	// Flags for attaching a VHD
+	AttachVirtualDiskFlagNone                          AttachVirtualDiskFlag = 0x00000000
+	AttachVirtualDiskFlagReadOnly                      AttachVirtualDiskFlag = 0x00000001
+	AttachVirtualDiskFlagNoDriveLetter                 AttachVirtualDiskFlag = 0x00000002
+	AttachVirtualDiskFlagPermanentLifetime             AttachVirtualDiskFlag = 0x00000004
+	AttachVirtualDiskFlagNoLocalHost                   AttachVirtualDiskFlag = 0x00000008
+	AttachVirtualDiskFlagNoSecurityDescriptor          AttachVirtualDiskFlag = 0x00000010
+	AttachVirtualDiskFlagBypassDefaultEncryptionPolicy AttachVirtualDiskFlag = 0x00000020
+	AttachVirtualDiskFlagNonPnp                        AttachVirtualDiskFlag = 0x00000040
+	AttachVirtualDiskFlagRestrictedRange               AttachVirtualDiskFlag = 0x00000080
+	AttachVirtualDiskFlagSinglePartition               AttachVirtualDiskFlag = 0x00000100
+	AttachVirtualDiskFlagRegisterVolume                AttachVirtualDiskFlag = 0x00000200
+
+	// Flags for detaching a VHD
+	DetachVirtualDiskFlagNone DetachVirtualDiskFlag = 0x0
+)
+
+// CreateVhdx is a helper function to create a simple vhdx file at the given path using
+// default values.
 func CreateVhdx(path string, maxSizeInGb, blockSizeInMb uint32) error {
-	var (
-		defaultType virtualStorageType
-		handle      syscall.Handle
-	)
-
-	parameters := createVirtualDiskParameters{
+	params := CreateVirtualDiskParameters{
 		Version: 2,
-		Version2: createVersion2{
+		Version2: CreateVersion2{
 			MaximumSize:      uint64(maxSizeInGb) * 1024 * 1024 * 1024,
 			BlockSizeInBytes: blockSizeInMb * 1024 * 1024,
 		},
 	}

-	if err := createVirtualDisk(
-		&defaultType,
-		path,
-		uint32(VirtualDiskAccessNone),
-		nil,
-		uint32(createVirtualDiskFlagNone),
-		0,
-		&parameters,
-		nil,
-		&handle); err != nil {
+	handle, err := CreateVirtualDisk(path, VirtualDiskAccessNone, CreateVirtualDiskFlagNone, &params)
+	if err != nil {
 		return err
 	}

 	if err := syscall.CloseHandle(handle); err != nil {
 		return err
 	}
-
 	return nil
 }

-// DetachVhd detaches a mounted container layer vhd found at `path`.
+// DetachVirtualDisk detaches a virtual hard disk by handle.
+func DetachVirtualDisk(handle syscall.Handle) (err error) {
+	if err := detachVirtualDisk(handle, 0, 0); err != nil {
+		return errors.Wrap(err, "failed to detach virtual disk")
+	}
+	return nil
+}
+
+// DetachVhd detaches a vhd found at `path`.
 func DetachVhd(path string) error {
 	handle, err := OpenVirtualDisk(
 		path,
 		VirtualDiskAccessNone,
-		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator)
-
+		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator,
+	)
 	if err != nil {
 		return err
 	}
 	defer syscall.CloseHandle(handle)
-	return detachVirtualDisk(handle, 0, 0)
+	return DetachVirtualDisk(handle)
+}
+
+// AttachVirtualDisk attaches a virtual hard disk for use.
+func AttachVirtualDisk(handle syscall.Handle, attachVirtualDiskFlag AttachVirtualDiskFlag, parameters *AttachVirtualDiskParameters) (err error) {
+	if parameters.Version != 2 {
+		return fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
+	if err := attachVirtualDisk(
+		handle,
+		nil,
+		uint32(attachVirtualDiskFlag),
+		0,
+		parameters,
+		nil,
+	); err != nil {
+		return errors.Wrap(err, "failed to attach virtual disk")
+	}
+	return nil
+}
+
+// AttachVhd attaches a virtual hard disk at `path` for use.
+func AttachVhd(path string) (err error) {
+	handle, err := OpenVirtualDisk(
+		path,
+		VirtualDiskAccessNone,
+		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator,
+	)
+	if err != nil {
+		return err
+	}
+
+	defer syscall.CloseHandle(handle)
+	params := AttachVirtualDiskParameters{Version: 2}
+	if err := AttachVirtualDisk(
+		handle,
+		AttachVirtualDiskFlagNone,
+		&params,
+	); err != nil {
+		return errors.Wrap(err, "failed to attach virtual disk")
+	}
+	return nil
 }

 // OpenVirtualDisk obtains a handle to a VHD opened with supplied access mask and flags.
-func OpenVirtualDisk(path string, accessMask VirtualDiskAccessMask, flag VirtualDiskFlag) (syscall.Handle, error) {
-	var (
-		defaultType virtualStorageType
-		handle      syscall.Handle
-	)
-	parameters := openVirtualDiskParameters{Version: 2}
-	if err := openVirtualDisk(
-		&defaultType,
-		path,
-		uint32(accessMask),
-		uint32(flag),
+func OpenVirtualDisk(vhdPath string, virtualDiskAccessMask VirtualDiskAccessMask, openVirtualDiskFlags VirtualDiskFlag) (syscall.Handle, error) {
+	parameters := OpenVirtualDiskParameters{Version: 2}
+	handle, err := OpenVirtualDiskWithParameters(
+		vhdPath,
+		virtualDiskAccessMask,
+		openVirtualDiskFlags,
 		&parameters,
-		&handle); err != nil {
+	)
+	if err != nil {
 		return 0, err
 	}
 	return handle, nil
 }
+
+// OpenVirtualDiskWithParameters obtains a handle to a VHD opened with supplied access mask, flags and parameters.
+func OpenVirtualDiskWithParameters(vhdPath string, virtualDiskAccessMask VirtualDiskAccessMask, openVirtualDiskFlags VirtualDiskFlag, parameters *OpenVirtualDiskParameters) (syscall.Handle, error) {
+	var (
+		handle      syscall.Handle
+		defaultType VirtualStorageType
+	)
+	if parameters.Version != 2 {
+		return handle, fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
+	if err := openVirtualDisk(
+		&defaultType,
+		vhdPath,
+		uint32(virtualDiskAccessMask),
+		uint32(openVirtualDiskFlags),
+		parameters,
+		&handle,
+	); err != nil {
+		return 0, errors.Wrap(err, "failed to open virtual disk")
+	}
+	return handle, nil
+}
+
+// CreateVirtualDisk creates a virtual harddisk and returns a handle to the disk.
+func CreateVirtualDisk(path string, virtualDiskAccessMask VirtualDiskAccessMask, createVirtualDiskFlags CreateVirtualDiskFlag, parameters *CreateVirtualDiskParameters) (syscall.Handle, error) {
+	var (
+		handle      syscall.Handle
+		defaultType VirtualStorageType
+	)
+	if parameters.Version != 2 {
+		return handle, fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
+
+	if err := createVirtualDisk(
+		&defaultType,
+		path,
+		uint32(virtualDiskAccessMask),
+		nil,
+		uint32(createVirtualDiskFlags),
+		0,
+		parameters,
+		nil,
+		&handle,
+	); err != nil {
+		return handle, errors.Wrap(err, "failed to create virtual disk")
+	}
+	return handle, nil
+}
+
+// GetVirtualDiskPhysicalPath takes a handle to a virtual hard disk and returns the physical
+// path of the disk on the machine. This path is in the form \\.\PhysicalDriveX where X is an integer
+// that represents the particular enumeration of the physical disk on the caller's system.
+func GetVirtualDiskPhysicalPath(handle syscall.Handle) (_ string, err error) {
+	var (
+		diskPathSizeInBytes uint32 = 256 * 2 // max path length 256 wide chars
+		diskPhysicalPathBuf [256]uint16
+	)
+	if err := getVirtualDiskPhysicalPath(
+		handle,
+		&diskPathSizeInBytes,
+		&diskPhysicalPathBuf[0],
+	); err != nil {
+		return "", errors.Wrap(err, "failed to get disk physical path")
+	}
+	return windows.UTF16ToString(diskPhysicalPathBuf[:]), nil
+}
+
+// CreateDiffVhd is a helper function to create a differencing virtual disk.
+func CreateDiffVhd(diffVhdPath, baseVhdPath string, blockSizeInMB uint32) error {
+	// Setting `ParentPath` is how to signal to create a differencing disk.
+	createParams := &CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: CreateVersion2{
+			ParentPath:       windows.StringToUTF16Ptr(baseVhdPath),
+			BlockSizeInBytes: blockSizeInMB * 1024 * 1024,
+			OpenFlags:        uint32(OpenVirtualDiskFlagCachedIO),
+		},
+	}
+
+	vhdHandle, err := CreateVirtualDisk(
+		diffVhdPath,
+		VirtualDiskAccessNone,
+		CreateVirtualDiskFlagNone,
+		createParams,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create differencing vhd: %s", err)
+	}
+	if err := syscall.CloseHandle(vhdHandle); err != nil {
+		return fmt.Errorf("failed to close differencing vhd handle: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/go-winio/vhd/zvhd.go
+++ b/vendor/github.com/Microsoft/go-winio/vhd/zvhd.go
@ -37,24 +37,26 @@ func errnoErr(e syscall.Errno) error {
 }

 var (
-	modVirtDisk = windows.NewLazySystemDLL("VirtDisk.dll")
+	modvirtdisk = windows.NewLazySystemDLL("virtdisk.dll")

-	procCreateVirtualDisk = modVirtDisk.NewProc("CreateVirtualDisk")
-	procOpenVirtualDisk   = modVirtDisk.NewProc("OpenVirtualDisk")
-	procDetachVirtualDisk = modVirtDisk.NewProc("DetachVirtualDisk")
+	procCreateVirtualDisk          = modvirtdisk.NewProc("CreateVirtualDisk")
+	procOpenVirtualDisk            = modvirtdisk.NewProc("OpenVirtualDisk")
+	procAttachVirtualDisk          = modvirtdisk.NewProc("AttachVirtualDisk")
+	procDetachVirtualDisk          = modvirtdisk.NewProc("DetachVirtualDisk")
+	procGetVirtualDiskPhysicalPath = modvirtdisk.NewProc("GetVirtualDiskPhysicalPath")
 )

-func createVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, flags uint32, providerSpecificFlags uint32, parameters *createVirtualDiskParameters, o *syscall.Overlapped, handle *syscall.Handle) (err error) {
+func createVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) {
 	var _p0 *uint16
 	_p0, err = syscall.UTF16PtrFromString(path)
 	if err != nil {
 		return
 	}
-	return _createVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, securityDescriptor, flags, providerSpecificFlags, parameters, o, handle)
+	return _createVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, securityDescriptor, createVirtualDiskFlags, providerSpecificFlags, parameters, overlapped, handle)
 }

-func _createVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, virtualDiskAccessMask uint32, securityDescriptor *uintptr, flags uint32, providerSpecificFlags uint32, parameters *createVirtualDiskParameters, o *syscall.Overlapped, handle *syscall.Handle) (err error) {
-	r1, _, e1 := syscall.Syscall9(procCreateVirtualDisk.Addr(), 9, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(flags), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(handle)))
+func _createVirtualDisk(virtualStorageType *VirtualStorageType, path *uint16, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall9(procCreateVirtualDisk.Addr(), 9, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(createVirtualDiskFlags), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(handle)))
 	if r1 != 0 {
 		if e1 != 0 {
 			err = errnoErr(e1)
@ -65,17 +67,17 @@ func _createVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, vi
 	return
 }

-func openVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, flags uint32, parameters *openVirtualDiskParameters, handle *syscall.Handle) (err error) {
+func openVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) {
 	var _p0 *uint16
 	_p0, err = syscall.UTF16PtrFromString(path)
 	if err != nil {
 		return
 	}
-	return _openVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, flags, parameters, handle)
+	return _openVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, openVirtualDiskFlags, parameters, handle)
 }

-func _openVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, virtualDiskAccessMask uint32, flags uint32, parameters *openVirtualDiskParameters, handle *syscall.Handle) (err error) {
-	r1, _, e1 := syscall.Syscall6(procOpenVirtualDisk.Addr(), 6, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(flags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(handle)))
+func _openVirtualDisk(virtualStorageType *VirtualStorageType, path *uint16, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall6(procOpenVirtualDisk.Addr(), 6, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(openVirtualDiskFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(handle)))
 	if r1 != 0 {
 		if e1 != 0 {
 			err = errnoErr(e1)
@ -86,8 +88,32 @@ func _openVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, virt
 	return
 }

-func detachVirtualDisk(handle syscall.Handle, flags uint32, providerSpecificFlags uint32) (err error) {
-	r1, _, e1 := syscall.Syscall(procDetachVirtualDisk.Addr(), 3, uintptr(handle), uintptr(flags), uintptr(providerSpecificFlags))
+func attachVirtualDisk(handle syscall.Handle, securityDescriptor *uintptr, attachVirtualDiskFlag uint32, providerSpecificFlags uint32, parameters *AttachVirtualDiskParameters, overlapped *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall6(procAttachVirtualDisk.Addr(), 6, uintptr(handle), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(attachVirtualDiskFlag), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(overlapped)))
+	if r1 != 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func detachVirtualDisk(handle syscall.Handle, detachVirtualDiskFlags uint32, providerSpecificFlags uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procDetachVirtualDisk.Addr(), 3, uintptr(handle), uintptr(detachVirtualDiskFlags), uintptr(providerSpecificFlags))
+	if r1 != 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func getVirtualDiskPhysicalPath(handle syscall.Handle, diskPathSizeInBytes *uint32, buffer *uint16) (err error) {
+	r1, _, e1 := syscall.Syscall(procGetVirtualDiskPhysicalPath.Addr(), 3, uintptr(handle), uintptr(unsafe.Pointer(diskPathSizeInBytes)), uintptr(unsafe.Pointer(buffer)))
 	if r1 != 0 {
 		if e1 != 0 {
 			err = errnoErr(e1)
--- a/vendor/github.com/Microsoft/hcsshim/.gitattributes
+++ b/vendor/github.com/Microsoft/hcsshim/.gitattributes
@ -0,0 +1 @@
+* text=auto eol=lf
--- a/vendor/github.com/Microsoft/hcsshim/CODEOWNERS
+++ b/vendor/github.com/Microsoft/hcsshim/CODEOWNERS
@ -1,3 +1,3 @@
-* @microsoft/containerplat
-
+* @microsoft/containerplat
+
 /hcn/* @nagiesek
--- a/vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/next.pb.txt
+++ b/vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/next.pb.txt
@ -108,6 +108,13 @@ file {
      type: TYPE_STRING
      json_name: "GPUVHDPath"
    }
+    field {
+      name: "scale_cpu_limits_to_sandbox"
+      number: 11
+      label: LABEL_OPTIONAL
+      type: TYPE_BOOL
+      json_name: "scaleCpuLimitsToSandbox"
+    }
    enum_type {
      name: "DebugType"
      value {
--- a/vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/runhcs.pb.go
+++ b/vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/runhcs.pb.go
@ -5,14 +5,15 @@ package options

 import (
 	fmt "fmt"
-	proto "github.com/gogo/protobuf/proto"
-	_ "github.com/gogo/protobuf/types"
-	github_com_gogo_protobuf_types "github.com/gogo/protobuf/types"
 	io "io"
 	math "math"
 	reflect "reflect"
 	strings "strings"
 	time "time"
+
+	proto "github.com/gogo/protobuf/proto"
+	_ "github.com/gogo/protobuf/types"
+	github_com_gogo_protobuf_types "github.com/gogo/protobuf/types"
 )

 // Reference imports to suppress errors if they are not otherwise used.
@ -115,7 +116,23 @@ type Options struct {
 	VmMemorySizeInMb int32 `protobuf:"varint,9,opt,name=vm_memory_size_in_mb,json=vmMemorySizeInMb,proto3" json:"vm_memory_size_in_mb,omitempty"`
 	// GPUVHDPath is the path to the gpu vhd to add to the uvm
 	// when a container requests a gpu
-	GPUVHDPath           string   `protobuf:"bytes,10,opt,name=GPUVHDPath,proto3" json:"GPUVHDPath,omitempty"`
+	GPUVHDPath string `protobuf:"bytes,10,opt,name=GPUVHDPath,proto3" json:"GPUVHDPath,omitempty"`
+	// scale_cpu_limits_to_sandbox indicates that container CPU limits should
+	// be adjusted to account for the difference in number of cores between the
+	// host and UVM.
+	ScaleCpuLimitsToSandbox bool `protobuf:"varint,11,opt,name=scale_cpu_limits_to_sandbox,json=scaleCpuLimitsToSandbox,proto3" json:"scale_cpu_limits_to_sandbox,omitempty"`
+	// default_container_scratch_size_in_gb is the default scratch size (sandbox.vhdx)
+	// to be used for containers. Every container will get a sandbox of `size_in_gb` assigned
+	// instead of the familiar 20GB as usual.
+	DefaultContainerScratchSizeInGb int32 `protobuf:"varint,12,opt,name=default_container_scratch_size_in_gb,json=defaultContainerScratchSizeInGb,proto3" json:"default_container_scratch_size_in_gb,omitempty"`
+	// default_container_scratch_size_in_gb is the default scratch size (sandbox.vhdx)
+	// to be used for the UVM. This only applies to WCOW as LCOW doesn't mount a scratch
+	// specifically for the UVM.
+	DefaultVmScratchSizeInGb int32 `protobuf:"varint,13,opt,name=default_vm_scratch_size_in_gb,json=defaultVmScratchSizeInGb,proto3" json:"default_vm_scratch_size_in_gb,omitempty"`
+	// share_scratch specifies if we'd like to reuse scratch space between multiple containers.
+	// This currently only affects LCOW. The sandbox containers scratch space is re-used for all
+	// subsequent containers launched in the pod.
+	ShareScratch         bool     `protobuf:"varint,14,opt,name=share_scratch,json=shareScratch,proto3" json:"share_scratch,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@ -214,56 +231,63 @@ func init() {
 }

 var fileDescriptor_b643df6839c75082 = []byte{
-	// 775 bytes of a gzipped FileDescriptorProto
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-	0x1f, 0x14, 0xf4, 0x33, 0x05, 0x00, 0x00,
+	// 883 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x94, 0xdb, 0x6e, 0xdb, 0x36,
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+	0x08, 0x7b, 0x9b, 0xbd, 0x42, 0x2e, 0x77, 0x39, 0x60, 0x40, 0xb6, 0xfa, 0x49, 0x06, 0x52, 0x94,
+	0xbb, 0x05, 0xc1, 0x6e, 0x76, 0x65, 0xea, 0xff, 0xfd, 0xf8, 0xe7, 0xc7, 0xc3, 0xdf, 0x70, 0x91,
+	0x50, 0x39, 0x99, 0x85, 0x6e, 0xc4, 0x99, 0x77, 0x46, 0xa3, 0x9c, 0x0b, 0x3e, 0x96, 0xde, 0x24,
+	0x12, 0x62, 0x42, 0x99, 0x17, 0xb1, 0xd8, 0x8b, 0x78, 0x2a, 0x03, 0x9a, 0x92, 0x3c, 0x3e, 0x52,
+	0xda, 0x51, 0x3e, 0x4b, 0x27, 0x91, 0x38, 0x9a, 0x9f, 0x78, 0x3c, 0x93, 0x94, 0xa7, 0xc2, 0x2b,
+	0x14, 0x37, 0xcb, 0xb9, 0xe4, 0xa8, 0xf1, 0x81, 0x77, 0x4d, 0x61, 0x7e, 0xb2, 0xdf, 0x48, 0x78,
+	0xc2, 0x35, 0xe0, 0xa9, 0x51, 0xc1, 0xee, 0xb7, 0x12, 0xce, 0x93, 0x29, 0xf1, 0xf4, 0x57, 0x38,
+	0x1b, 0x7b, 0x92, 0x32, 0x22, 0x64, 0xc0, 0xb2, 0x02, 0x38, 0xf8, 0xb5, 0x0a, 0x9b, 0x17, 0xc5,
+	0x2a, 0xa8, 0x01, 0x1b, 0x31, 0x09, 0x67, 0x89, 0x63, 0xb5, 0xad, 0xc3, 0x2d, 0xbf, 0xf8, 0x40,
+	0xa7, 0x00, 0x7a, 0x80, 0xe5, 0x22, 0x23, 0xce, 0x83, 0xb6, 0x75, 0xb8, 0xfb, 0xe2, 0xa9, 0x7b,
+	0x5f, 0x0f, 0xae, 0x31, 0x72, 0x7b, 0x8a, 0xbf, 0x5c, 0x64, 0xc4, 0xb7, 0xe3, 0x72, 0x88, 0x9e,
+	0x40, 0x2d, 0x27, 0x09, 0x15, 0x32, 0x5f, 0xe0, 0x9c, 0x73, 0xe9, 0xac, 0xb5, 0xad, 0x43, 0xdb,
+	0xdf, 0x29, 0x45, 0x9f, 0x73, 0xa9, 0x20, 0x11, 0xa4, 0x71, 0xc8, 0xaf, 0x31, 0x65, 0x41, 0x42,
+	0x9c, 0xf5, 0x02, 0x32, 0xe2, 0x40, 0x69, 0xe8, 0x19, 0xd4, 0x4b, 0x28, 0x9b, 0x06, 0x72, 0xcc,
+	0x73, 0xe6, 0x6c, 0x68, 0xee, 0xa1, 0xd1, 0x87, 0x46, 0x46, 0x3f, 0xc2, 0xde, 0xca, 0x4f, 0xf0,
+	0x69, 0xa0, 0xfa, 0x73, 0xaa, 0x7a, 0x0f, 0xee, 0x7f, 0xef, 0x61, 0x64, 0x56, 0x2c, 0x67, 0xf9,
+	0xe5, 0x9a, 0x2b, 0x05, 0x79, 0xd0, 0x08, 0x39, 0x97, 0x78, 0x4c, 0xa7, 0x44, 0xe8, 0x3d, 0xe1,
+	0x2c, 0x90, 0x13, 0x67, 0x53, 0xf7, 0xb2, 0xa7, 0x6a, 0xa7, 0xaa, 0xa4, 0x76, 0x36, 0x0c, 0xe4,
+	0x04, 0x3d, 0x07, 0x34, 0x67, 0x38, 0xcb, 0x79, 0x44, 0x84, 0xe0, 0x39, 0x8e, 0xf8, 0x2c, 0x95,
+	0xce, 0x56, 0xdb, 0x3a, 0xdc, 0xf0, 0xeb, 0x73, 0x36, 0x2c, 0x0b, 0x5d, 0xa5, 0x23, 0x17, 0x1a,
+	0x73, 0x86, 0x19, 0x61, 0x3c, 0x5f, 0x60, 0x41, 0xdf, 0x11, 0x4c, 0x53, 0xcc, 0x42, 0xc7, 0x2e,
+	0xf9, 0x33, 0x5d, 0x1a, 0xd1, 0x77, 0x64, 0x90, 0x9e, 0x85, 0xa8, 0x09, 0xf0, 0x72, 0xf8, 0xed,
+	0xd5, 0xab, 0x9e, 0x5a, 0xcb, 0x01, 0xdd, 0xc4, 0x3f, 0x14, 0xf4, 0x25, 0x3c, 0x12, 0x51, 0x30,
+	0x25, 0x38, 0xca, 0x66, 0x78, 0x4a, 0x19, 0x95, 0x02, 0x4b, 0x8e, 0xcd, 0xb6, 0x9c, 0x6d, 0x7d,
+	0xe9, 0x1f, 0x6b, 0xa4, 0x9b, 0xcd, 0x5e, 0x6b, 0xe0, 0x92, 0x9b, 0x73, 0x40, 0x67, 0xf0, 0x69,
+	0x4c, 0xc6, 0xc1, 0x6c, 0x2a, 0xf1, 0xea, 0xdc, 0xb0, 0x88, 0xf2, 0x40, 0x46, 0x93, 0x55, 0x77,
+	0x49, 0xe8, 0xec, 0xe8, 0xee, 0x5a, 0x86, 0xed, 0x96, 0xe8, 0xa8, 0x20, 0x8b, 0x66, 0x5f, 0x86,
+	0xe8, 0x2b, 0x78, 0x5c, 0xda, 0xcd, 0xd9, 0x7d, 0x3e, 0x35, 0xed, 0xe3, 0x18, 0xe8, 0x8a, 0xdd,
+	0x35, 0x50, 0x2f, 0x65, 0x12, 0xe4, 0xa4, 0x9c, 0xeb, 0xec, 0xea, 0xfe, 0x77, 0xb4, 0x68, 0xe0,
+	0x83, 0x67, 0x60, 0xaf, 0xde, 0x22, 0xb2, 0x61, 0xe3, 0x7c, 0x38, 0x18, 0xf6, 0xeb, 0x15, 0xb4,
+	0x05, 0xeb, 0xa7, 0x83, 0xd7, 0xfd, 0xba, 0x85, 0x36, 0x61, 0xad, 0x7f, 0xf9, 0xa6, 0xfe, 0xe0,
+	0xc0, 0x83, 0xfa, 0xdd, 0x2b, 0x47, 0xdb, 0xb0, 0x39, 0xf4, 0x2f, 0xba, 0xfd, 0xd1, 0xa8, 0x5e,
+	0x41, 0xbb, 0x00, 0xaf, 0xbe, 0x1f, 0xf6, 0xfd, 0xab, 0xc1, 0xe8, 0xc2, 0xaf, 0x5b, 0x07, 0x7f,
+	0xac, 0xc1, 0xae, 0xb9, 0xb1, 0x1e, 0x91, 0x01, 0x9d, 0x0a, 0xf4, 0x18, 0x40, 0xbf, 0x5a, 0x9c,
+	0x06, 0x8c, 0xe8, 0x14, 0xd9, 0xbe, 0xad, 0x95, 0xf3, 0x80, 0x11, 0xd4, 0x05, 0x88, 0x72, 0x12,
+	0x48, 0x12, 0xe3, 0x40, 0xea, 0x24, 0x6d, 0xbf, 0xd8, 0x77, 0x8b, 0x84, 0xba, 0x65, 0x42, 0xdd,
+	0xcb, 0x32, 0xa1, 0x9d, 0xad, 0x9b, 0xdb, 0x56, 0xe5, 0x97, 0x3f, 0x5b, 0x96, 0x6f, 0x9b, 0x79,
+	0x5f, 0x4b, 0xf4, 0x19, 0xa0, 0xb7, 0x24, 0x4f, 0xc9, 0x14, 0xab, 0x28, 0xe3, 0x93, 0xe3, 0x63,
+	0x9c, 0x0a, 0x9d, 0xa5, 0x75, 0xff, 0x61, 0x51, 0x51, 0x0e, 0x27, 0xc7, 0xc7, 0xe7, 0x02, 0xb9,
+	0xf0, 0x91, 0x79, 0x3f, 0x11, 0x67, 0x8c, 0x4a, 0x1c, 0x2e, 0x24, 0x11, 0x3a, 0x54, 0xeb, 0xfe,
+	0x5e, 0x51, 0xea, 0xea, 0x4a, 0x47, 0x15, 0xd0, 0x29, 0xb4, 0x0d, 0xff, 0x13, 0xcf, 0xdf, 0xd2,
+	0x34, 0xc1, 0x82, 0x48, 0x9c, 0xe5, 0x74, 0x1e, 0x48, 0x62, 0x26, 0x6f, 0xe8, 0xc9, 0x9f, 0x14,
+	0xdc, 0x9b, 0x02, 0x1b, 0x11, 0x39, 0x2c, 0xa0, 0xc2, 0xa7, 0x07, 0xad, 0x7b, 0x7c, 0xf4, 0xd5,
+	0xc4, 0xc6, 0xa6, 0xaa, 0x6d, 0x1e, 0xdd, 0xb5, 0x19, 0x69, 0xa6, 0x70, 0x79, 0x0e, 0x60, 0xb2,
+	0x82, 0x69, 0xac, 0x53, 0x55, 0xeb, 0xd4, 0x96, 0xb7, 0x2d, 0xdb, 0x1c, 0xfb, 0xa0, 0xe7, 0xdb,
+	0x06, 0x18, 0xc4, 0xe8, 0x29, 0xd4, 0x67, 0x82, 0xe4, 0xff, 0x3a, 0x96, 0x2d, 0xbd, 0x48, 0x4d,
+	0xe9, 0x1f, 0x0e, 0xe5, 0x09, 0x6c, 0x92, 0x6b, 0x12, 0x29, 0x4f, 0x15, 0x25, 0xbb, 0x03, 0xcb,
+	0xdb, 0x56, 0xb5, 0x7f, 0x4d, 0xa2, 0x41, 0xcf, 0xaf, 0xaa, 0xd2, 0x20, 0xee, 0xc4, 0x37, 0xef,
+	0x9b, 0x95, 0xdf, 0xdf, 0x37, 0x2b, 0x3f, 0x2f, 0x9b, 0xd6, 0xcd, 0xb2, 0x69, 0xfd, 0xb6, 0x6c,
+	0x5a, 0x7f, 0x2d, 0x9b, 0xd6, 0x0f, 0xdf, 0xfc, 0xff, 0xff, 0xf3, 0x2f, 0xcc, 0xef, 0x77, 0x95,
+	0xb0, 0xaa, 0xef, 0xfd, 0xf3, 0xbf, 0x03, 0x00, 0x00, 0xff, 0xff, 0xbb, 0xb6, 0x6d, 0x09, 0x26,
+	0x06, 0x00, 0x00,
 }

 func (m *Options) Marshal() (dAtA []byte, err error) {
@ -341,6 +365,36 @@ func (m *Options) MarshalTo(dAtA []byte) (int, error) {
 		i = encodeVarintRunhcs(dAtA, i, uint64(len(m.GPUVHDPath)))
 		i += copy(dAtA[i:], m.GPUVHDPath)
 	}
+	if m.ScaleCpuLimitsToSandbox {
+		dAtA[i] = 0x58
+		i++
+		if m.ScaleCpuLimitsToSandbox {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.DefaultContainerScratchSizeInGb != 0 {
+		dAtA[i] = 0x60
+		i++
+		i = encodeVarintRunhcs(dAtA, i, uint64(m.DefaultContainerScratchSizeInGb))
+	}
+	if m.DefaultVmScratchSizeInGb != 0 {
+		dAtA[i] = 0x68
+		i++
+		i = encodeVarintRunhcs(dAtA, i, uint64(m.DefaultVmScratchSizeInGb))
+	}
+	if m.ShareScratch {
+		dAtA[i] = 0x70
+		i++
+		if m.ShareScratch {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
 	}
@ -468,6 +522,18 @@ func (m *Options) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovRunhcs(uint64(l))
 	}
+	if m.ScaleCpuLimitsToSandbox {
+		n += 2
+	}
+	if m.DefaultContainerScratchSizeInGb != 0 {
+		n += 1 + sovRunhcs(uint64(m.DefaultContainerScratchSizeInGb))
+	}
+	if m.DefaultVmScratchSizeInGb != 0 {
+		n += 1 + sovRunhcs(uint64(m.DefaultVmScratchSizeInGb))
+	}
+	if m.ShareScratch {
+		n += 2
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@ -542,6 +608,10 @@ func (this *Options) String() string {
 		`VmProcessorCount:` + fmt.Sprintf("%v", this.VmProcessorCount) + `,`,
 		`VmMemorySizeInMb:` + fmt.Sprintf("%v", this.VmMemorySizeInMb) + `,`,
 		`GPUVHDPath:` + fmt.Sprintf("%v", this.GPUVHDPath) + `,`,
+		`ScaleCpuLimitsToSandbox:` + fmt.Sprintf("%v", this.ScaleCpuLimitsToSandbox) + `,`,
+		`DefaultContainerScratchSizeInGb:` + fmt.Sprintf("%v", this.DefaultContainerScratchSizeInGb) + `,`,
+		`DefaultVmScratchSizeInGb:` + fmt.Sprintf("%v", this.DefaultVmScratchSizeInGb) + `,`,
+		`ShareScratch:` + fmt.Sprintf("%v", this.ShareScratch) + `,`,
 		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
 		`}`,
 	}, "")
@ -859,6 +929,84 @@ func (m *Options) Unmarshal(dAtA []byte) error {
 			}
 			m.GPUVHDPath = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 11:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ScaleCpuLimitsToSandbox", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunhcs
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.ScaleCpuLimitsToSandbox = bool(v != 0)
+		case 12:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field DefaultContainerScratchSizeInGb", wireType)
+			}
+			m.DefaultContainerScratchSizeInGb = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunhcs
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.DefaultContainerScratchSizeInGb |= int32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 13:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field DefaultVmScratchSizeInGb", wireType)
+			}
+			m.DefaultVmScratchSizeInGb = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunhcs
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.DefaultVmScratchSizeInGb |= int32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 14:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ShareScratch", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRunhcs
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.ShareScratch = bool(v != 0)
 		default:
 			iNdEx = preIndex
 			skippy, err := skipRunhcs(dAtA[iNdEx:])
--- a/vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/runhcs.proto
+++ b/vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/runhcs.proto
@ -62,7 +62,27 @@ message Options {

 	// GPUVHDPath is the path to the gpu vhd to add to the uvm
 	// when a container requests a gpu
-	string GPUVHDPath = 10; 
+	string GPUVHDPath = 10;
+
+	// scale_cpu_limits_to_sandbox indicates that container CPU limits should
+	// be adjusted to account for the difference in number of cores between the
+	// host and UVM.
+	bool scale_cpu_limits_to_sandbox = 11;
+
+	// default_container_scratch_size_in_gb is the default scratch size (sandbox.vhdx) 
+	// to be used for containers. Every container will get a sandbox of `size_in_gb` assigned
+	// instead of the default of 20GB. 
+	int32 default_container_scratch_size_in_gb = 12;
+
+	// default_vm_scratch_size_in_gb is the default scratch size (sandbox.vhdx) 
+	// to be used for the UVM. This only applies to WCOW as LCOW doesn't mount a scratch 
+	// specifically for the UVM.
+	int32 default_vm_scratch_size_in_gb = 13;
+
+	// share_scratch specifies if we'd like to reuse scratch space between multiple containers. 
+	// This currently only affects LCOW. The sandbox containers scratch space is re-used for all
+	// subsequent containers launched in the pod.  
+	bool share_scratch = 14;
 }

 // ProcessDetails contains additional information about a process. This is the additional
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/attach.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/attach.go
@ -0,0 +1,38 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// AttachLayerStorageFilter sets up the layer storage filter on a writable
+// container layer.
+//
+// `layerPath` is a path to a directory the writable layer is mounted. If the
+// path does not end in a `\` the platform will append it automatically.
+//
+// `layerData` is the parent read-only layer data.
+func AttachLayerStorageFilter(ctx context.Context, layerPath string, layerData LayerData) (err error) {
+	title := "hcsshim.AttachLayerStorageFilter"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	err = hcsAttachLayerStorageFilter(layerPath, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to attach layer storage filter: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/destroy.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/destroy.go
@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// DestroyLayer deletes a container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+func DestroyLayer(ctx context.Context, layerPath string) (err error) {
+	title := "hcsshim.DestroyLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(trace.StringAttribute("layerPath", layerPath))
+
+	err = hcsDestroyLayer(layerPath)
+	if err != nil {
+		return fmt.Errorf("failed to destroy layer: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/detach.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/detach.go
@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// DetachLayerStorageFilter detaches the layer storage filter on a writable container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+func DetachLayerStorageFilter(ctx context.Context, layerPath string) (err error) {
+	title := "hcsshim.DetachLayerStorageFilter"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(trace.StringAttribute("layerPath", layerPath))
+
+	err = hcsDetachLayerStorageFilter(layerPath)
+	if err != nil {
+		return fmt.Errorf("failed to detach layer storage filter: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/export.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/export.go
@ -0,0 +1,46 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// ExportLayer exports a container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+//
+// `exportFolderPath` is a pre-existing folder to export the layer to.
+//
+// `layerData` is the parent layer data.
+//
+// `options` are the export options applied to the exported layer.
+func ExportLayer(ctx context.Context, layerPath, exportFolderPath string, layerData LayerData, options ExportLayerOptions) (err error) {
+	title := "hcsshim.ExportLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("exportFolderPath", exportFolderPath),
+	)
+
+	ldbytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	obytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsExportLayer(layerPath, exportFolderPath, string(ldbytes), string(obytes))
+	if err != nil {
+		return fmt.Errorf("failed to export layer: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/format.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/format.go
@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// FormatWritableLayerVhd formats a virtual disk for use as a writable container layer.
+//
+// If the VHD is not mounted it will be temporarily mounted.
+func FormatWritableLayerVhd(ctx context.Context, vhdHandle windows.Handle) (err error) {
+	title := "hcsshim.FormatWritableLayerVhd"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+
+	err = hcsFormatWritableLayerVhd(vhdHandle)
+	if err != nil {
+		return fmt.Errorf("failed to format writable layer vhd: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/helpers.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/helpers.go
@ -0,0 +1,197 @@
+package computestorage
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"syscall"
+
+	"github.com/Microsoft/go-winio/pkg/security"
+	"github.com/Microsoft/go-winio/vhd"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/windows"
+)
+
+const defaultVHDXBlockSizeInMB = 1
+
+// SetupContainerBaseLayer is a helper to setup a containers scratch. It
+// will create and format the vhdx's inside and the size is configurable with the sizeInGB
+// parameter.
+//
+// `layerPath` is the path to the base container layer on disk.
+//
+// `baseVhdPath` is the path to where the base vhdx for the base layer should be created.
+//
+// `diffVhdPath` is the path where the differencing disk for the base layer should be created.
+//
+// `sizeInGB` is the size in gigabytes to make the base vhdx.
+func SetupContainerBaseLayer(ctx context.Context, layerPath, baseVhdPath, diffVhdPath string, sizeInGB uint64) (err error) {
+	var (
+		hivesPath  = filepath.Join(layerPath, "Hives")
+		layoutPath = filepath.Join(layerPath, "Layout")
+	)
+
+	// We need to remove the hives directory and layout file as `SetupBaseOSLayer` fails if these files
+	// already exist. `SetupBaseOSLayer` will create these files internally. We also remove the base and
+	// differencing disks if they exist in case we're asking for a different size.
+	if _, err := os.Stat(hivesPath); err == nil {
+		if err := os.RemoveAll(hivesPath); err != nil {
+			return errors.Wrap(err, "failed to remove prexisting hives directory")
+		}
+	}
+	if _, err := os.Stat(layoutPath); err == nil {
+		if err := os.RemoveAll(layoutPath); err != nil {
+			return errors.Wrap(err, "failed to remove prexisting layout file")
+		}
+	}
+
+	if _, err := os.Stat(baseVhdPath); err == nil {
+		if err := os.RemoveAll(baseVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove base vhdx path")
+		}
+	}
+	if _, err := os.Stat(diffVhdPath); err == nil {
+		if err := os.RemoveAll(diffVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove differencing vhdx")
+		}
+	}
+
+	createParams := &vhd.CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: vhd.CreateVersion2{
+			MaximumSize:      sizeInGB * 1024 * 1024 * 1024,
+			BlockSizeInBytes: defaultVHDXBlockSizeInMB * 1024 * 1024,
+		},
+	}
+	handle, err := vhd.CreateVirtualDisk(baseVhdPath, vhd.VirtualDiskAccessNone, vhd.CreateVirtualDiskFlagNone, createParams)
+	if err != nil {
+		return errors.Wrap(err, "failed to create vhdx")
+	}
+
+	defer func() {
+		if err != nil {
+			syscall.CloseHandle(handle)
+			os.RemoveAll(baseVhdPath)
+			if os.Stat(diffVhdPath); err == nil {
+				os.RemoveAll(diffVhdPath)
+			}
+		}
+	}()
+
+	if err = FormatWritableLayerVhd(ctx, windows.Handle(handle)); err != nil {
+		return err
+	}
+	// Base vhd handle must be closed before calling SetupBaseLayer in case of Container layer
+	if err = syscall.CloseHandle(handle); err != nil {
+		return errors.Wrap(err, "failed to close vhdx handle")
+	}
+
+	options := OsLayerOptions{
+		Type: OsLayerTypeContainer,
+	}
+
+	// SetupBaseOSLayer expects an empty vhd handle for a container layer and will
+	// error out otherwise.
+	if err = SetupBaseOSLayer(ctx, layerPath, 0, options); err != nil {
+		return err
+	}
+	// Create the differencing disk that will be what's copied for the final rw layer
+	// for a container.
+	if err = vhd.CreateDiffVhd(diffVhdPath, baseVhdPath, defaultVHDXBlockSizeInMB); err != nil {
+		return errors.Wrap(err, "failed to create differencing disk")
+	}
+
+	if err = security.GrantVmGroupAccess(baseVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", baseVhdPath)
+	}
+	if err = security.GrantVmGroupAccess(diffVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", diffVhdPath)
+	}
+	return nil
+}
+
+// SetupUtilityVMBaseLayer is a helper to setup a UVMs scratch space. It will create and format
+// the vhdx inside and the size is configurable by the sizeInGB parameter.
+//
+// `uvmPath` is the path to the UtilityVM filesystem.
+//
+// `baseVhdPath` is the path to where the base vhdx for the UVM should be created.
+//
+// `diffVhdPath` is the path where the differencing disk for the UVM should be created.
+//
+// `sizeInGB` specifies the size in gigabytes to make the base vhdx.
+func SetupUtilityVMBaseLayer(ctx context.Context, uvmPath, baseVhdPath, diffVhdPath string, sizeInGB uint64) (err error) {
+	// Remove the base and differencing disks if they exist in case we're asking for a different size.
+	if _, err := os.Stat(baseVhdPath); err == nil {
+		if err := os.RemoveAll(baseVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove base vhdx")
+		}
+	}
+	if _, err := os.Stat(diffVhdPath); err == nil {
+		if err := os.RemoveAll(diffVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove differencing vhdx")
+		}
+	}
+
+	// Just create the vhdx for utilityVM layer, no need to format it.
+	createParams := &vhd.CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: vhd.CreateVersion2{
+			MaximumSize:      sizeInGB * 1024 * 1024 * 1024,
+			BlockSizeInBytes: defaultVHDXBlockSizeInMB * 1024 * 1024,
+		},
+	}
+	handle, err := vhd.CreateVirtualDisk(baseVhdPath, vhd.VirtualDiskAccessNone, vhd.CreateVirtualDiskFlagNone, createParams)
+	if err != nil {
+		return errors.Wrap(err, "failed to create vhdx")
+	}
+
+	defer func() {
+		if err != nil {
+			syscall.CloseHandle(handle)
+			os.RemoveAll(baseVhdPath)
+			if os.Stat(diffVhdPath); err == nil {
+				os.RemoveAll(diffVhdPath)
+			}
+		}
+	}()
+
+	// If it is a UtilityVM layer then the base vhdx must be attached when calling
+	// `SetupBaseOSLayer`
+	attachParams := &vhd.AttachVirtualDiskParameters{
+		Version: 2,
+	}
+	if err := vhd.AttachVirtualDisk(handle, vhd.AttachVirtualDiskFlagNone, attachParams); err != nil {
+		return errors.Wrapf(err, "failed to attach virtual disk")
+	}
+
+	options := OsLayerOptions{
+		Type: OsLayerTypeVM,
+	}
+	if err := SetupBaseOSLayer(ctx, uvmPath, windows.Handle(handle), options); err != nil {
+		return err
+	}
+
+	// Detach and close the handle after setting up the layer as we don't need the handle
+	// for anything else and we no longer need to be attached either.
+	if err = vhd.DetachVirtualDisk(handle); err != nil {
+		return errors.Wrap(err, "failed to detach vhdx")
+	}
+	if err = syscall.CloseHandle(handle); err != nil {
+		return errors.Wrap(err, "failed to close vhdx handle")
+	}
+
+	// Create the differencing disk that will be what's copied for the final rw layer
+	// for a container.
+	if err = vhd.CreateDiffVhd(diffVhdPath, baseVhdPath, defaultVHDXBlockSizeInMB); err != nil {
+		return errors.Wrap(err, "failed to create differencing disk")
+	}
+
+	if err := security.GrantVmGroupAccess(baseVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", baseVhdPath)
+	}
+	if err := security.GrantVmGroupAccess(diffVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", diffVhdPath)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/import.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/import.go
@ -0,0 +1,41 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// ImportLayer imports a container layer.
+//
+// `layerPath` is a path to a directory to import the layer to. If the directory
+// does not exist it will be automatically created.
+//
+// `sourceFolderpath` is a pre-existing folder that contains the layer to
+// import.
+//
+// `layerData` is the parent layer data.
+func ImportLayer(ctx context.Context, layerPath, sourceFolderPath string, layerData LayerData) (err error) {
+	title := "hcsshim.ImportLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("sourceFolderPath", sourceFolderPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	err = hcsImportLayer(layerPath, sourceFolderPath, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to import layer: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/initialize.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/initialize.go
@ -0,0 +1,38 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// InitializeWritableLayer initializes a writable layer for a container.
+//
+// `layerPath` is a path to a directory the layer is mounted. If the
+// path does not end in a `\` the platform will append it automatically.
+//
+// `layerData` is the parent read-only layer data.
+func InitializeWritableLayer(ctx context.Context, layerPath string, layerData LayerData) (err error) {
+	title := "hcsshim.InitializeWritableLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	// Options are not used in the platform as of RS5
+	err = hcsInitializeWritableLayer(layerPath, string(bytes), "")
+	if err != nil {
+		return fmt.Errorf("failed to intitialize container layer: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/mount.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/mount.go
@ -0,0 +1,27 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/interop"
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// GetLayerVhdMountPath returns the volume path for a virtual disk of a writable container layer.
+func GetLayerVhdMountPath(ctx context.Context, vhdHandle windows.Handle) (path string, err error) {
+	title := "hcsshim.GetLayerVhdMountPath"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+
+	var mountPath *uint16
+	err = hcsGetLayerVhdMountPath(vhdHandle, &mountPath)
+	if err != nil {
+		return "", fmt.Errorf("failed to get vhd mount path: %s", err)
+	}
+	path = interop.ConvertAndFreeCoTaskMemString(mountPath)
+	return path, nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go
@ -0,0 +1,75 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/Microsoft/hcsshim/osversion"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// SetupBaseOSLayer sets up a layer that contains a base OS for a container.
+//
+// `layerPath` is a path to a directory containing the layer.
+//
+// `vhdHandle` is an empty file handle of `options.Type == OsLayerTypeContainer`
+// or else it is a file handle to the 'SystemTemplateBase.vhdx' if `options.Type
+// == OsLayerTypeVm`.
+//
+// `options` are the options applied while processing the layer.
+func SetupBaseOSLayer(ctx context.Context, layerPath string, vhdHandle windows.Handle, options OsLayerOptions) (err error) {
+	title := "hcsshim.SetupBaseOSLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsSetupBaseOSLayer(layerPath, vhdHandle, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to setup base OS layer: %s", err)
+	}
+	return nil
+}
+
+// SetupBaseOSVolume sets up a volume that contains a base OS for a container.
+//
+// `layerPath` is a path to a directory containing the layer.
+//
+// `volumePath` is the path to the volume to be used for setup.
+//
+// `options` are the options applied while processing the layer.
+func SetupBaseOSVolume(ctx context.Context, layerPath, volumePath string, options OsLayerOptions) (err error) {
+	if osversion.Get().Build < 19645 {
+		return errors.New("SetupBaseOSVolume is not present on builds older than 19645")
+	}
+	title := "hcsshim.SetupBaseOSVolume"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("volumePath", volumePath),
+	)
+
+	bytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsSetupBaseOSVolume(layerPath, volumePath, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to setup base OS layer: %s", err)
+	}
+	return nil
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/storage.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/storage.go
@ -0,0 +1,50 @@
+// Package computestorage is a wrapper around the HCS storage APIs. These are new storage APIs introduced
+// separate from the original graphdriver calls intended to give more freedom around creating
+// and managing container layers and scratch spaces.
+package computestorage
+
+import (
+	hcsschema "github.com/Microsoft/hcsshim/internal/schema2"
+)
+
+//go:generate go run ../mksyscall_windows.go -output zsyscall_windows.go storage.go
+
+//sys hcsImportLayer(layerPath string, sourceFolderPath string, layerData string) (hr error) = computestorage.HcsImportLayer?
+//sys hcsExportLayer(layerPath string, exportFolderPath string, layerData string, options string) (hr error) = computestorage.HcsExportLayer?
+//sys hcsDestroyLayer(layerPath string) (hr error) = computestorage.HcsDestoryLayer?
+//sys hcsSetupBaseOSLayer(layerPath string, handle windows.Handle, options string) (hr error) = computestorage.HcsSetupBaseOSLayer?
+//sys hcsInitializeWritableLayer(writableLayerPath string, layerData string, options string) (hr error) = computestorage.HcsInitializeWritableLayer?
+//sys hcsAttachLayerStorageFilter(layerPath string, layerData string) (hr error) = computestorage.HcsAttachLayerStorageFilter?
+//sys hcsDetachLayerStorageFilter(layerPath string) (hr error) = computestorage.HcsDetachLayerStorageFilter?
+//sys hcsFormatWritableLayerVhd(handle windows.Handle) (hr error) = computestorage.HcsFormatWritableLayerVhd?
+//sys hcsGetLayerVhdMountPath(vhdHandle windows.Handle, mountPath **uint16) (hr error) = computestorage.HcsGetLayerVhdMountPath?
+//sys hcsSetupBaseOSVolume(layerPath string, volumePath string, options string) (hr error) = computestorage.HcsSetupBaseOSVolume?
+
+// LayerData is the data used to describe parent layer information.
+type LayerData struct {
+	SchemaVersion hcsschema.Version `json:"SchemaVersion,omitempty"`
+	Layers        []hcsschema.Layer `json:"Layers,omitempty"`
+}
+
+// ExportLayerOptions are the set of options that are used with the `computestorage.HcsExportLayer` syscall.
+type ExportLayerOptions struct {
+	IsWritableLayer bool `json:"IsWritableLayer,omitempty"`
+}
+
+// OsLayerType is the type of layer being operated on.
+type OsLayerType string
+
+const (
+	// OsLayerTypeContainer is a container layer.
+	OsLayerTypeContainer OsLayerType = "Container"
+	// OsLayerTypeVM is a virtual machine layer.
+	OsLayerTypeVM OsLayerType = "Vm"
+)
+
+// OsLayerOptions are the set of options that are used with the `SetupBaseOSLayer` and
+// `SetupBaseOSVolume` calls.
+type OsLayerOptions struct {
+	Type                       OsLayerType `json:"Type,omitempty"`
+	DisableCiCacheOptimization bool        `json:"DisableCiCacheOptimization,omitempty"`
+	SkipUpdateBcdForBoot       bool        `json:"SkipUpdateBcdForBoot,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/computestorage/zsyscall_windows.go
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/zsyscall_windows.go
@ -0,0 +1,319 @@
+// Code generated mksyscall_windows.exe DO NOT EDIT
+
+package computestorage
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return nil
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modcomputestorage = windows.NewLazySystemDLL("computestorage.dll")
+
+	procHcsImportLayer              = modcomputestorage.NewProc("HcsImportLayer")
+	procHcsExportLayer              = modcomputestorage.NewProc("HcsExportLayer")
+	procHcsDestoryLayer             = modcomputestorage.NewProc("HcsDestoryLayer")
+	procHcsSetupBaseOSLayer         = modcomputestorage.NewProc("HcsSetupBaseOSLayer")
+	procHcsInitializeWritableLayer  = modcomputestorage.NewProc("HcsInitializeWritableLayer")
+	procHcsAttachLayerStorageFilter = modcomputestorage.NewProc("HcsAttachLayerStorageFilter")
+	procHcsDetachLayerStorageFilter = modcomputestorage.NewProc("HcsDetachLayerStorageFilter")
+	procHcsFormatWritableLayerVhd   = modcomputestorage.NewProc("HcsFormatWritableLayerVhd")
+	procHcsGetLayerVhdMountPath     = modcomputestorage.NewProc("HcsGetLayerVhdMountPath")
+	procHcsSetupBaseOSVolume        = modcomputestorage.NewProc("HcsSetupBaseOSVolume")
+)
+
+func hcsImportLayer(layerPath string, sourceFolderPath string, layerData string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(sourceFolderPath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	return _hcsImportLayer(_p0, _p1, _p2)
+}
+
+func _hcsImportLayer(layerPath *uint16, sourceFolderPath *uint16, layerData *uint16) (hr error) {
+	if hr = procHcsImportLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsImportLayer.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(sourceFolderPath)), uintptr(unsafe.Pointer(layerData)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsExportLayer(layerPath string, exportFolderPath string, layerData string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(exportFolderPath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	var _p3 *uint16
+	_p3, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsExportLayer(_p0, _p1, _p2, _p3)
+}
+
+func _hcsExportLayer(layerPath *uint16, exportFolderPath *uint16, layerData *uint16, options *uint16) (hr error) {
+	if hr = procHcsExportLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall6(procHcsExportLayer.Addr(), 4, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(exportFolderPath)), uintptr(unsafe.Pointer(layerData)), uintptr(unsafe.Pointer(options)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsDestroyLayer(layerPath string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	return _hcsDestroyLayer(_p0)
+}
+
+func _hcsDestroyLayer(layerPath *uint16) (hr error) {
+	if hr = procHcsDestoryLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsDestoryLayer.Addr(), 1, uintptr(unsafe.Pointer(layerPath)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsSetupBaseOSLayer(layerPath string, handle windows.Handle, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsSetupBaseOSLayer(_p0, handle, _p1)
+}
+
+func _hcsSetupBaseOSLayer(layerPath *uint16, handle windows.Handle, options *uint16) (hr error) {
+	if hr = procHcsSetupBaseOSLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsSetupBaseOSLayer.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(handle), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsInitializeWritableLayer(writableLayerPath string, layerData string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(writableLayerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsInitializeWritableLayer(_p0, _p1, _p2)
+}
+
+func _hcsInitializeWritableLayer(writableLayerPath *uint16, layerData *uint16, options *uint16) (hr error) {
+	if hr = procHcsInitializeWritableLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsInitializeWritableLayer.Addr(), 3, uintptr(unsafe.Pointer(writableLayerPath)), uintptr(unsafe.Pointer(layerData)), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsAttachLayerStorageFilter(layerPath string, layerData string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	return _hcsAttachLayerStorageFilter(_p0, _p1)
+}
+
+func _hcsAttachLayerStorageFilter(layerPath *uint16, layerData *uint16) (hr error) {
+	if hr = procHcsAttachLayerStorageFilter.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsAttachLayerStorageFilter.Addr(), 2, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(layerData)), 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsDetachLayerStorageFilter(layerPath string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	return _hcsDetachLayerStorageFilter(_p0)
+}
+
+func _hcsDetachLayerStorageFilter(layerPath *uint16) (hr error) {
+	if hr = procHcsDetachLayerStorageFilter.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsDetachLayerStorageFilter.Addr(), 1, uintptr(unsafe.Pointer(layerPath)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsFormatWritableLayerVhd(handle windows.Handle) (hr error) {
+	if hr = procHcsFormatWritableLayerVhd.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsFormatWritableLayerVhd.Addr(), 1, uintptr(handle), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsGetLayerVhdMountPath(vhdHandle windows.Handle, mountPath **uint16) (hr error) {
+	if hr = procHcsGetLayerVhdMountPath.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsGetLayerVhdMountPath.Addr(), 2, uintptr(vhdHandle), uintptr(unsafe.Pointer(mountPath)), 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsSetupBaseOSVolume(layerPath string, volumePath string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(volumePath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsSetupBaseOSVolume(_p0, _p1, _p2)
+}
+
+func _hcsSetupBaseOSVolume(layerPath *uint16, volumePath *uint16, options *uint16) (hr error) {
+	if hr = procHcsSetupBaseOSVolume.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsSetupBaseOSVolume.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(volumePath)), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
--- a/vendor/github.com/Microsoft/hcsshim/go.mod
+++ b/vendor/github.com/Microsoft/hcsshim/go.mod
@ -3,7 +3,7 @@ module github.com/Microsoft/hcsshim
 go 1.13

 require (
-	github.com/Microsoft/go-winio v0.4.15-0.20200908182639-5b44b70ab3ab
+	github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331
 	github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59
 	github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1
 	github.com/containerd/containerd v1.3.2
@ -26,7 +26,7 @@ require (
 	go.opencensus.io v0.22.0
 	golang.org/x/net v0.0.0-20191004110552-13f9640d40b9 // indirect
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
-	golang.org/x/sys v0.0.0-20200120151820-655fe14d7479
+	golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3
 	google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873 // indirect
 	google.golang.org/grpc v1.23.1
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
--- a/vendor/github.com/Microsoft/hcsshim/go.sum
+++ b/vendor/github.com/Microsoft/hcsshim/go.sum
@ -3,6 +3,8 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/Microsoft/go-winio v0.4.15-0.20200908182639-5b44b70ab3ab h1:9pygWVFqbY9lPxM0peffumuVDyMuIMzNLyO9uFjJuQo=
 github.com/Microsoft/go-winio v0.4.15-0.20200908182639-5b44b70ab3ab/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331 h1:3YnB7Hpmh1lPecPE8doMOtYCrMdrpedZOvxfuNES/Vk=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
 github.com/cilium/ebpf v0.0.0-20200110133405-4032b1d8aae3/go.mod h1:MA5e5Lr8slmEg9bt0VpxxWqJlO4iwu3FBdHUzV7wQVg=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59 h1:qWj4qVYZ95vLWwqyNJCQg7rDsG5wPdze0UaPolH7DUk=
@ -121,6 +123,8 @@ golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191022100944-742c48ecaeb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200120151820-655fe14d7479 h1:LhLiKguPgZL+Tglay4GhVtfF0kb8cvOJ0dHTCBO8YNI=
 golang.org/x/sys v0.0.0-20200120151820-655fe14d7479/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3 h1:kzM6+9dur93BcC2kVlYl34cHU+TYZLanmpSJHVMmL64=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
--- a/vendor/github.com/Microsoft/hcsshim/hcn/hcnglobals.go
+++ b/vendor/github.com/Microsoft/hcsshim/hcn/hcnglobals.go
@ -63,8 +63,14 @@ var (
 	// HNS 10.3 allows for VXLAN ports
 	VxlanPortVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 10, Minor: 3}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}

-	//HNS 13.1 allows for L4Proxy Policy support
-	L4ProxyPolicyVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 13, Minor: 1}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}
+	//HNS 9.5 through 10.0(not included), 10.5 through 11.0(not included), 11.11 through 12.0(not included), 12.1 through 13.0(not included), 13.1+ allows for Network L4Proxy Policy support
+	L4ProxyPolicyVersion = VersionRanges{
+		VersionRange{MinVersion: Version{Major: 9, Minor: 5}, MaxVersion: Version{Major: 9, Minor: math.MaxInt32}},
+		VersionRange{MinVersion: Version{Major: 10, Minor: 5}, MaxVersion: Version{Major: 10, Minor: math.MaxInt32}},
+		VersionRange{MinVersion: Version{Major: 11, Minor: 11}, MaxVersion: Version{Major: 11, Minor: math.MaxInt32}},
+		VersionRange{MinVersion: Version{Major: 12, Minor: 1}, MaxVersion: Version{Major: 12, Minor: math.MaxInt32}},
+		VersionRange{MinVersion: Version{Major: 13, Minor: 1}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}},
+	}

 	//HNS 13.2 allows for L4WfpProxy Policy support
 	L4WfpProxyPolicyVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 13, Minor: 2}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}
--- a/vendor/github.com/Microsoft/hcsshim/hcn/hcnpolicy.go
+++ b/vendor/github.com/Microsoft/hcsshim/hcn/hcnpolicy.go
@ -154,9 +154,10 @@ type FiveTuple struct {

 // L4WfpProxyPolicySetting sets Layer-4 Proxy on an endpoint.
 type L4WfpProxyPolicySetting struct {
-	Port        string    `json:",omitempty"`
-	FilterTuple FiveTuple `json:",omitempty"`
-	UserSID     string    `json:",omitempty"`
+	InboundProxyPort  string    `json:",omitempty"`
+	OutboundProxyPort string    `json:",omitempty"`
+	FilterTuple       FiveTuple `json:",omitempty"`
+	UserSID           string    `json:",omitempty"`
 }

 // PortnameEndpointPolicySetting sets the port name for an endpoint.
--- a/vendor/github.com/Microsoft/hcsshim/internal/hcs/syscall.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hcs/syscall.go
@ -1,5 +0,0 @@
-package hcs
-
-//go:generate go run ../../mksyscall_windows.go -output zsyscall_windows.go syscall.go
-
-//sys hcsFormatWritableLayerVhd(handle uintptr) (hr error) = computestorage.HcsFormatWritableLayerVhd
--- a/vendor/github.com/Microsoft/hcsshim/internal/hcs/utils.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hcs/utils.go
@ -7,6 +7,7 @@ import (

 	"github.com/Microsoft/go-winio"
 	diskutil "github.com/Microsoft/go-winio/vhd"
+	"github.com/Microsoft/hcsshim/computestorage"
 	"github.com/pkg/errors"
 	"golang.org/x/sys/windows"
 )
@ -36,7 +37,7 @@ func makeOpenFiles(hs []syscall.Handle) (_ []io.ReadWriteCloser, err error) {
 	return fs, nil
 }

-// creates a VHD formatted with NTFS of size `sizeGB` at the given `vhdPath`.
+// CreateNTFSVHD creates a VHD formatted with NTFS of size `sizeGB` at the given `vhdPath`.
 func CreateNTFSVHD(ctx context.Context, vhdPath string, sizeGB uint32) (err error) {
 	if err := diskutil.CreateVhdx(vhdPath, sizeGB, 1); err != nil {
 		return errors.Wrap(err, "failed to create VHD")
@ -53,7 +54,7 @@ func CreateNTFSVHD(ctx context.Context, vhdPath string, sizeGB uint32) (err erro
 		}
 	}()

-	if err := hcsFormatWritableLayerVhd(uintptr(vhd)); err != nil {
+	if err := computestorage.FormatWritableLayerVhd(ctx, windows.Handle(vhd)); err != nil {
 		return errors.Wrap(err, "failed to format VHD")
 	}

--- a/vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go
@ -1,54 +0,0 @@
-// Code generated mksyscall_windows.exe DO NOT EDIT
-
-package hcs
-
-import (
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-var _ unsafe.Pointer
-
-// Do the interface allocations only once for common
-// Errno values.
-const (
-	errnoERROR_IO_PENDING = 997
-)
-
-var (
-	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e syscall.Errno) error {
-	switch e {
-	case 0:
-		return nil
-	case errnoERROR_IO_PENDING:
-		return errERROR_IO_PENDING
-	}
-	// TODO: add more here, after collecting data on the common
-	// error values see on Windows. (perhaps when running
-	// all.bat?)
-	return e
-}
-
-var (
-	modcomputestorage = windows.NewLazySystemDLL("computestorage.dll")
-
-	procHcsFormatWritableLayerVhd = modcomputestorage.NewProc("HcsFormatWritableLayerVhd")
-)
-
-func hcsFormatWritableLayerVhd(handle uintptr) (hr error) {
-	r0, _, _ := syscall.Syscall(procHcsFormatWritableLayerVhd.Addr(), 1, uintptr(handle), 0, 0)
-	if int32(r0) < 0 {
-		if r0&0x1fff0000 == 0x00070000 {
-			r0 &= 0xffff
-		}
-		hr = syscall.Errno(r0)
-	}
-	return
-}
--- a/vendor/github.com/Microsoft/hcsshim/internal/hns/namespace.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hns/namespace.go
@ -27,9 +27,10 @@ type namespaceResourceRequest struct {
 }

 type Namespace struct {
-	ID           string
-	IsDefault    bool                `json:",omitempty"`
-	ResourceList []NamespaceResource `json:",omitempty"`
+	ID            string
+	IsDefault     bool                `json:",omitempty"`
+	ResourceList  []NamespaceResource `json:",omitempty"`
+	CompartmentId uint32              `json:",omitempty"`
 }

 func issueNamespaceRequest(id *string, method, subpath string, request interface{}) (*Namespace, error) {
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group.go
@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// CPU groups allow Hyper-V administrators to better manage and allocate the host's CPU resources across guest virtual machines
+type CpuGroup struct {
+	Id string `json:"Id,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_affinity.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_affinity.go
@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CpuGroupAffinity struct {
+	LogicalProcessorCount int32   `json:"LogicalProcessorCount,omitempty"`
+	LogicalProcessors     []int32 `json:"LogicalProcessors,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_config.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_config.go
@ -0,0 +1,18 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CpuGroupConfig struct {
+	GroupId         string             `json:"GroupId,omitempty"`
+	Affinity        *CpuGroupAffinity  `json:"Affinity,omitempty"`
+	GroupProperties []CpuGroupProperty `json:"GroupProperties,omitempty"`
+	// Hypervisor CPU group IDs exposed to clients
+	HypervisorGroupId int32 `json:"HypervisorGroupId,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_configurations.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_configurations.go
@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Structure used to return cpu groups for a Service property query
+type CpuGroupConfigurations struct {
+	CpuGroups []CpuGroupConfig `json:"CpuGroups,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_operations.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_operations.go
@ -0,0 +1,18 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CPUGroupOperation string
+
+const (
+	CreateGroup CPUGroupOperation = "CreateGroup"
+	DeleteGroup CPUGroupOperation = "DeleteGroup"
+	SetProperty CPUGroupOperation = "SetProperty"
+)
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_property.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_property.go
@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CpuGroupProperty struct {
+	PropertyCode  uint32 `json:"PropertyCode,omitempty"`
+	PropertyValue uint32 `json:"PropertyValue,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/create_group_operation.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/create_group_operation.go
@ -0,0 +1,17 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Create group operation settings
+type CreateGroupOperation struct {
+	GroupId               string   `json:"GroupId,omitempty"`
+	LogicalProcessorCount uint32   `json:"LogicalProcessorCount,omitempty"`
+	LogicalProcessors     []uint32 `json:"LogicalProcessors,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/delete_group_operation.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/delete_group_operation.go
@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Delete group operation settings
+type DeleteGroupOperation struct {
+	GroupId string `json:"GroupId,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/host_processor_modify_request.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/host_processor_modify_request.go
@ -0,0 +1,16 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Structure used to request a service processor modification
+type HostProcessorModificationRequest struct {
+	Operation        CPUGroupOperation `json:"Operation,omitempty"`
+	OperationDetails interface{}       `json:"OperationDetails,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_service_config.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_service_config.go
@ -19,4 +19,10 @@ type HvSocketServiceConfig struct {

 	//  If true, HvSocket will process wildcard binds for this service/system combination.  Wildcard binds are secured in the registry at  SOFTWARE/Microsoft/Windows NT/CurrentVersion/Virtualization/HvSocket/WildcardDescriptors
 	AllowWildcardBinds bool `json:"AllowWildcardBinds,omitempty"`
+
+	// Disabled controls whether the HvSocket service is accepting connection requests.
+	// This set to true will make the service refuse all incoming connections as well as cancel
+	// any connections already established. The service itself will still be active however
+	// and can be re-enabled at a future time.
+	Disabled bool `json:"Disabled,omitempty"`
 }
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/property_type.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/property_type.go
@ -22,4 +22,5 @@ const (
 	PTGuestConnection             PropertyType = "GuestConnection"
 	PTICHeartbeatStatus           PropertyType = "ICHeartbeatStatus"
 	PTProcessorTopology           PropertyType = "ProcessorTopology"
+	PTCPUGroup                    PropertyType = "CpuGroup"
 )
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/vm_processor_limits.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/vm_processor_limits.go
@ -0,0 +1,22 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// ProcessorLimits is used when modifying processor scheduling limits of a virtual machine.
+type ProcessorLimits struct {
+	// Maximum amount of host CPU resources that the virtual machine can use.
+	Limit uint64 `json:"Limit,omitempty"`
+	// Value describing the relative priority of this virtual machine compared to other virtual machines.
+	Weight uint64 `json:"Weight,omitempty"`
+	// Minimum amount of host CPU resources that the virtual machine is guaranteed.
+	Reservation uint64 `json:"Reservation,omitempty"`
+	// Provides the target maximum CPU frequency, in MHz, for a virtual machine.
+	MaximumFrequencyMHz uint32 `json:"MaximumFrequencyMHz,omitempty"`
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/winapi/filesystem.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/filesystem.go
@ -31,6 +31,43 @@ const (
 	STATUS_NO_MORE_ENTRIES = 0x8000001a
 )

+// Select entries from FILE_INFO_BY_HANDLE_CLASS.
+//
+// C declaration:
+//   typedef enum _FILE_INFO_BY_HANDLE_CLASS {
+//       FileBasicInfo,
+//       FileStandardInfo,
+//       FileNameInfo,
+//       FileRenameInfo,
+//       FileDispositionInfo,
+//       FileAllocationInfo,
+//       FileEndOfFileInfo,
+//       FileStreamInfo,
+//       FileCompressionInfo,
+//       FileAttributeTagInfo,
+//       FileIdBothDirectoryInfo,
+//       FileIdBothDirectoryRestartInfo,
+//       FileIoPriorityHintInfo,
+//       FileRemoteProtocolInfo,
+//       FileFullDirectoryInfo,
+//       FileFullDirectoryRestartInfo,
+//       FileStorageInfo,
+//       FileAlignmentInfo,
+//       FileIdInfo,
+//       FileIdExtdDirectoryInfo,
+//       FileIdExtdDirectoryRestartInfo,
+//       FileDispositionInfoEx,
+//       FileRenameInfoEx,
+//       FileCaseSensitiveInfo,
+//       FileNormalizedNameInfo,
+//       MaximumFileInfoByHandleClass
+//   } FILE_INFO_BY_HANDLE_CLASS, *PFILE_INFO_BY_HANDLE_CLASS;
+//
+// Documentation: https://docs.microsoft.com/en-us/windows/win32/api/minwinbase/ne-minwinbase-file_info_by_handle_class
+const (
+	FileIdInfo = 18
+)
+
 type FileDispositionInformationEx struct {
 	Flags uintptr
 }
@ -59,3 +96,15 @@ type FileLinkInformation struct {
 	FileNameLength  uint32
 	FileName        [1]uint16
 }
+
+// C declaration:
+//   typedef struct _FILE_ID_INFO {
+//       ULONGLONG   VolumeSerialNumber;
+//       FILE_ID_128 FileId;
+//   } FILE_ID_INFO, *PFILE_ID_INFO;
+//
+// Documentation: https://docs.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_id_info
+type FILE_ID_INFO struct {
+	VolumeSerialNumber uint64
+	FileID             [16]byte
+}
--- a/vendor/github.com/Microsoft/hcsshim/internal/winapi/iocp.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/iocp.go
@ -0,0 +1,3 @@
+package winapi
+
+//sys GetQueuedCompletionStatus(cphandle windows.Handle, qty *uint32, key *uintptr, overlapped **windows.Overlapped, timeout uint32) (err error)
--- a/vendor/github.com/Microsoft/hcsshim/internal/winapi/jobobject.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/jobobject.go
@ -1,22 +1,24 @@
 package winapi

 import (
+	"unsafe"
+
 	"golang.org/x/sys/windows"
 )

 // Messages that can be received from an assigned io completion port.
 // https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_associate_completion_port
 const (
-	JOB_OBJECT_MSG_END_OF_JOB_TIME       = 1
-	JOB_OBJECT_MSG_END_OF_PROCESS_TIME   = 2
-	JOB_OBJECT_MSG_ACTIVE_PROCESS_LIMIT  = 3
-	JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO   = 4
-	JOB_OBJECT_MSG_NEW_PROCESS           = 6
-	JOB_OBJECT_MSG_EXIT_PROCESS          = 7
-	JOB_OBJECT_MSG_ABNORMAL_EXIT_PROCESS = 8
-	JOB_OBJECT_MSG_PROCESS_MEMORY_LIMIT  = 9
-	JOB_OBJECT_MSG_JOB_MEMORY_LIMIT      = 10
-	JOB_OBJECT_MSG_NOTIFICATION_LIMIT    = 11
+	JOB_OBJECT_MSG_END_OF_JOB_TIME       uint32 = 1
+	JOB_OBJECT_MSG_END_OF_PROCESS_TIME   uint32 = 2
+	JOB_OBJECT_MSG_ACTIVE_PROCESS_LIMIT  uint32 = 3
+	JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO   uint32 = 4
+	JOB_OBJECT_MSG_NEW_PROCESS           uint32 = 6
+	JOB_OBJECT_MSG_EXIT_PROCESS          uint32 = 7
+	JOB_OBJECT_MSG_ABNORMAL_EXIT_PROCESS uint32 = 8
+	JOB_OBJECT_MSG_PROCESS_MEMORY_LIMIT  uint32 = 9
+	JOB_OBJECT_MSG_JOB_MEMORY_LIMIT      uint32 = 10
+	JOB_OBJECT_MSG_NOTIFICATION_LIMIT    uint32 = 11
 )

 // IO limit flags
@ -24,9 +26,11 @@ const (
 // https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/ns-jobapi2-jobobject_io_rate_control_information
 const JOB_OBJECT_IO_RATE_CONTROL_ENABLE = 0x1

+const JOBOBJECT_IO_ATTRIBUTION_CONTROL_ENABLE uint32 = 0x1
+
 // https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_cpu_rate_control_information
 const (
-	JOB_OBJECT_CPU_RATE_CONTROL_ENABLE = 1 << iota
+	JOB_OBJECT_CPU_RATE_CONTROL_ENABLE uint32 = 1 << iota
 	JOB_OBJECT_CPU_RATE_CONTROL_WEIGHT_BASED
 	JOB_OBJECT_CPU_RATE_CONTROL_HARD_CAP
 	JOB_OBJECT_CPU_RATE_CONTROL_NOTIFY
@ -41,7 +45,9 @@ const (
 	JobObjectBasicProcessIdList              uint32 = 3
 	JobObjectBasicAndIoAccountingInformation uint32 = 8
 	JobObjectLimitViolationInformation       uint32 = 13
+	JobObjectMemoryUsageInformation          uint32 = 28
 	JobObjectNotificationLimitInformation2   uint32 = 33
+	JobObjectIoAttribution                   uint32 = 42
 )

 // https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_limit_information
@ -60,7 +66,7 @@ type JOBOBJECT_BASIC_LIMIT_INFORMATION struct {
 // https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_cpu_rate_control_information
 type JOBOBJECT_CPU_RATE_CONTROL_INFORMATION struct {
 	ControlFlags uint32
-	Rate         uint32
+	Value        uint32
 }

 // https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/ns-jobapi2-jobobject_io_rate_control_information
@ -80,9 +86,68 @@ type JOBOBJECT_BASIC_PROCESS_ID_LIST struct {
 	ProcessIdList             [1]uintptr
 }

+// AllPids returns all the process Ids in the job object.
+func (p *JOBOBJECT_BASIC_PROCESS_ID_LIST) AllPids() []uintptr {
+	return (*[(1 << 27) - 1]uintptr)(unsafe.Pointer(&p.ProcessIdList[0]))[:p.NumberOfProcessIdsInList]
+}
+
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_accounting_information
+type JOBOBJECT_BASIC_ACCOUNTING_INFORMATION struct {
+	TotalUserTime             int64
+	TotalKernelTime           int64
+	ThisPeriodTotalUserTime   int64
+	ThisPeriodTotalKernelTime int64
+	TotalPageFaultCount       uint32
+	TotalProcesses            uint32
+	ActiveProcesses           uint32
+	TotalTerminateProcesses   uint32
+}
+
+//https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_and_io_accounting_information
+type JOBOBJECT_BASIC_AND_IO_ACCOUNTING_INFORMATION struct {
+	BasicInfo JOBOBJECT_BASIC_ACCOUNTING_INFORMATION
+	IoInfo    windows.IO_COUNTERS
+}
+
+// typedef struct _JOBOBJECT_MEMORY_USAGE_INFORMATION {
+//     ULONG64 JobMemory;
+//     ULONG64 PeakJobMemoryUsed;
+// } JOBOBJECT_MEMORY_USAGE_INFORMATION, *PJOBOBJECT_MEMORY_USAGE_INFORMATION;
+//
+type JOBOBJECT_MEMORY_USAGE_INFORMATION struct {
+	JobMemory         uint64
+	PeakJobMemoryUsed uint64
+}
+
+// typedef struct _JOBOBJECT_IO_ATTRIBUTION_STATS {
+//     ULONG_PTR IoCount;
+//     ULONGLONG TotalNonOverlappedQueueTime;
+//     ULONGLONG TotalNonOverlappedServiceTime;
+//     ULONGLONG TotalSize;
+// } JOBOBJECT_IO_ATTRIBUTION_STATS, *PJOBOBJECT_IO_ATTRIBUTION_STATS;
+//
+type JOBOBJECT_IO_ATTRIBUTION_STATS struct {
+	IoCount                       uintptr
+	TotalNonOverlappedQueueTime   uint64
+	TotalNonOverlappedServiceTime uint64
+	TotalSize                     uint64
+}
+
+// typedef struct _JOBOBJECT_IO_ATTRIBUTION_INFORMATION {
+//     ULONG ControlFlags;
+//     JOBOBJECT_IO_ATTRIBUTION_STATS ReadStats;
+//     JOBOBJECT_IO_ATTRIBUTION_STATS WriteStats;
+// } JOBOBJECT_IO_ATTRIBUTION_INFORMATION, *PJOBOBJECT_IO_ATTRIBUTION_INFORMATION;
+//
+type JOBOBJECT_IO_ATTRIBUTION_INFORMATION struct {
+	ControlFlags uint32
+	ReadStats    JOBOBJECT_IO_ATTRIBUTION_STATS
+	WriteStats   JOBOBJECT_IO_ATTRIBUTION_STATS
+}
+
 // https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_associate_completion_port
 type JOBOBJECT_ASSOCIATE_COMPLETION_PORT struct {
-	CompletionKey  uintptr
+	CompletionKey  windows.Handle
 	CompletionPort windows.Handle
 }

--- a/vendor/github.com/Microsoft/hcsshim/internal/winapi/net.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/net.go
@ -0,0 +1,3 @@
+package winapi
+
+//sys SetJobCompartmentId(handle windows.Handle, compartmentId uint32) (win32Err error) = iphlpapi.SetJobCompartmentId
--- a/vendor/github.com/Microsoft/hcsshim/internal/winapi/winapi.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/winapi.go
@ -2,4 +2,4 @@
 // be thought of as an extension to golang.org/x/sys/windows.
 package winapi

-//go:generate go run ..\..\mksyscall_windows.go -output zsyscall_windows.go jobobject.go path.go logon.go memory.go processor.go devices.go filesystem.go errors.go
+//go:generate go run ..\..\mksyscall_windows.go -output zsyscall_windows.go net.go iocp.go jobobject.go path.go logon.go memory.go processor.go devices.go filesystem.go errors.go
--- a/vendor/github.com/Microsoft/hcsshim/internal/winapi/zsyscall_windows.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/zsyscall_windows.go
@ -37,15 +37,18 @@ func errnoErr(e syscall.Errno) error {
 }

 var (
+	modiphlpapi = windows.NewLazySystemDLL("iphlpapi.dll")
 	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
 	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
 	modcfgmgr32 = windows.NewLazySystemDLL("cfgmgr32.dll")
 	modntdll    = windows.NewLazySystemDLL("ntdll.dll")

+	procSetJobCompartmentId                  = modiphlpapi.NewProc("SetJobCompartmentId")
 	procIsProcessInJob                       = modkernel32.NewProc("IsProcessInJob")
 	procQueryInformationJobObject            = modkernel32.NewProc("QueryInformationJobObject")
 	procOpenJobObjectW                       = modkernel32.NewProc("OpenJobObjectW")
 	procSetIoRateControlInformationJobObject = modkernel32.NewProc("SetIoRateControlInformationJobObject")
+	procGetQueuedCompletionStatus            = modkernel32.NewProc("GetQueuedCompletionStatus")
 	procSearchPathW                          = modkernel32.NewProc("SearchPathW")
 	procLogonUserW                           = modadvapi32.NewProc("LogonUserW")
 	procRtlMoveMemory                        = modkernel32.NewProc("RtlMoveMemory")
@ -63,6 +66,14 @@ var (
 	procRtlNtStatusToDosError                = modntdll.NewProc("RtlNtStatusToDosError")
 )

+func SetJobCompartmentId(handle windows.Handle, compartmentId uint32) (win32Err error) {
+	r0, _, _ := syscall.Syscall(procSetJobCompartmentId.Addr(), 2, uintptr(handle), uintptr(compartmentId), 0)
+	if r0 != 0 {
+		win32Err = syscall.Errno(r0)
+	}
+	return
+}
+
 func IsProcessInJob(procHandle windows.Handle, jobHandle windows.Handle, result *bool) (err error) {
 	r1, _, e1 := syscall.Syscall(procIsProcessInJob.Addr(), 3, uintptr(procHandle), uintptr(jobHandle), uintptr(unsafe.Pointer(result)))
 	if r1 == 0 {
@ -119,6 +130,18 @@ func SetIoRateControlInformationJobObject(jobHandle windows.Handle, ioRateContro
 	return
 }

+func GetQueuedCompletionStatus(cphandle windows.Handle, qty *uint32, key *uintptr, overlapped **windows.Overlapped, timeout uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(cphandle), uintptr(unsafe.Pointer(qty)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(overlapped)), uintptr(timeout), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
 func SearchPath(lpPath *uint16, lpFileName *uint16, lpExtension *uint16, nBufferLength uint32, lpBuffer *uint16, lpFilePath **uint16) (size uint32, err error) {
 	r0, _, e1 := syscall.Syscall6(procSearchPathW.Addr(), 6, uintptr(unsafe.Pointer(lpPath)), uintptr(unsafe.Pointer(lpFileName)), uintptr(unsafe.Pointer(lpExtension)), uintptr(nBufferLength), uintptr(unsafe.Pointer(lpBuffer)), uintptr(unsafe.Pointer(lpFilePath)))
 	size = uint32(r0)
--- a/vendor/github.com/Microsoft/hcsshim/osversion/windowsbuilds.go
+++ b/vendor/github.com/Microsoft/hcsshim/osversion/windowsbuilds.go
@ -32,4 +32,7 @@ const (
 	// V20H1 (version 2004) corresponds to Windows Server 2004 (semi-annual
 	// channel).
 	V20H1 = 19041
+
+	// V20H2 corresponds to Windows Server 20H2 (semi-annual channel).
+	V20H2 = 19042
 )
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@ -1,7 +1,7 @@
 # github.com/BurntSushi/toml v0.3.1
 ## explicit
 github.com/BurntSushi/toml
-# github.com/Microsoft/go-winio v0.4.15
+# github.com/Microsoft/go-winio v0.4.16
 ## explicit
 github.com/Microsoft/go-winio
 github.com/Microsoft/go-winio/backuptar
@ -11,11 +11,12 @@ github.com/Microsoft/go-winio/pkg/fs
 github.com/Microsoft/go-winio/pkg/guid
 github.com/Microsoft/go-winio/pkg/security
 github.com/Microsoft/go-winio/vhd
-# github.com/Microsoft/hcsshim v0.8.10
+# github.com/Microsoft/hcsshim v0.8.14
 ## explicit
 github.com/Microsoft/hcsshim
 github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options
 github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/stats
+github.com/Microsoft/hcsshim/computestorage
 github.com/Microsoft/hcsshim/ext4/internal/compactext4
 github.com/Microsoft/hcsshim/ext4/internal/format
 github.com/Microsoft/hcsshim/ext4/tar2ext4
@ -42,7 +43,7 @@ github.com/Microsoft/hcsshim/internal/wclayer
 github.com/Microsoft/hcsshim/internal/winapi
 github.com/Microsoft/hcsshim/osversion
 github.com/Microsoft/hcsshim/pkg/go-runhcs
-# github.com/Microsoft/hcsshim/test v0.0.0-20201119174602-966bebae11b4
+# github.com/Microsoft/hcsshim/test v0.0.0-20201218223536-d3e5debf77da
 ## explicit
 github.com/Microsoft/hcsshim/test/functional/manifest
 # github.com/beorn7/perks v1.0.1