diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index b3bccd4ed5f..37c56a9a6ff 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -16102,6 +16102,10 @@
     "io.k8s.api.storage.v1beta1.CSINodeDriver": {
       "description": "CSINodeDriver holds information about the specification of one CSI driver installed on a node",
       "properties": {
+        "allocatable": {
+          "$ref": "#/definitions/io.k8s.api.storage.v1beta1.VolumeNodeResources",
+          "description": "allocatable represents the volume resources of a node that are available for scheduling."
+        },
         "name": {
           "description": "This is the name of the CSI driver that this object refers to. This MUST be the same name returned by the CSI GetPluginName() call for that driver.",
           "type": "string"
@@ -16427,6 +16431,17 @@
       },
       "type": "object"
     },
+    "io.k8s.api.storage.v1beta1.VolumeNodeResources": {
+      "description": "VolumeNodeResources is a set of resource limits for scheduling of volumes.",
+      "properties": {
+        "count": {
+          "description": "Maximum number of unique volumes managed by the CSI driver that can be used on a node. A volume that is both attached and mounted on a node is considered to be used once, not twice. The same rule applies for a unique volume that is shared among multiple pods on the same node. If this field is nil, then the supported number of volumes on this node is unbounded.",
+          "format": "int32",
+          "type": "integer"
+        }
+      },
+      "type": "object"
+    },
     "io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1beta1.CustomResourceColumnDefinition": {
       "description": "CustomResourceColumnDefinition specifies a column for server side printing.",
       "properties": {
diff --git a/pkg/apis/storage/v1beta1/zz_generated.conversion.go b/pkg/apis/storage/v1beta1/zz_generated.conversion.go
index 47189b9ed3d..516710c07fa 100644
--- a/pkg/apis/storage/v1beta1/zz_generated.conversion.go
+++ b/pkg/apis/storage/v1beta1/zz_generated.conversion.go
@@ -189,6 +189,16 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
+	if err := s.AddGeneratedConversionFunc((*v1beta1.VolumeNodeResources)(nil), (*storage.VolumeNodeResources)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1beta1_VolumeNodeResources_To_storage_VolumeNodeResources(a.(*v1beta1.VolumeNodeResources), b.(*storage.VolumeNodeResources), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddGeneratedConversionFunc((*storage.VolumeNodeResources)(nil), (*v1beta1.VolumeNodeResources)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_storage_VolumeNodeResources_To_v1beta1_VolumeNodeResources(a.(*storage.VolumeNodeResources), b.(*v1beta1.VolumeNodeResources), scope)
+	}); err != nil {
+		return err
+	}
 	return nil
 }
 
@@ -292,6 +302,7 @@ func autoConvert_v1beta1_CSINodeDriver_To_storage_CSINodeDriver(in *v1beta1.CSIN
 	out.Name = in.Name
 	out.NodeID = in.NodeID
 	out.TopologyKeys = *(*[]string)(unsafe.Pointer(&in.TopologyKeys))
+	out.Allocatable = (*storage.VolumeNodeResources)(unsafe.Pointer(in.Allocatable))
 	return nil
 }
 
@@ -304,6 +315,7 @@ func autoConvert_storage_CSINodeDriver_To_v1beta1_CSINodeDriver(in *storage.CSIN
 	out.Name = in.Name
 	out.NodeID = in.NodeID
 	out.TopologyKeys = *(*[]string)(unsafe.Pointer(&in.TopologyKeys))
+	out.Allocatable = (*v1beta1.VolumeNodeResources)(unsafe.Pointer(in.Allocatable))
 	return nil
 }
 
@@ -597,3 +609,23 @@ func autoConvert_storage_VolumeError_To_v1beta1_VolumeError(in *storage.VolumeEr
 func Convert_storage_VolumeError_To_v1beta1_VolumeError(in *storage.VolumeError, out *v1beta1.VolumeError, s conversion.Scope) error {
 	return autoConvert_storage_VolumeError_To_v1beta1_VolumeError(in, out, s)
 }
+
+func autoConvert_v1beta1_VolumeNodeResources_To_storage_VolumeNodeResources(in *v1beta1.VolumeNodeResources, out *storage.VolumeNodeResources, s conversion.Scope) error {
+	out.Count = (*int32)(unsafe.Pointer(in.Count))
+	return nil
+}
+
+// Convert_v1beta1_VolumeNodeResources_To_storage_VolumeNodeResources is an autogenerated conversion function.
+func Convert_v1beta1_VolumeNodeResources_To_storage_VolumeNodeResources(in *v1beta1.VolumeNodeResources, out *storage.VolumeNodeResources, s conversion.Scope) error {
+	return autoConvert_v1beta1_VolumeNodeResources_To_storage_VolumeNodeResources(in, out, s)
+}
+
+func autoConvert_storage_VolumeNodeResources_To_v1beta1_VolumeNodeResources(in *storage.VolumeNodeResources, out *v1beta1.VolumeNodeResources, s conversion.Scope) error {
+	out.Count = (*int32)(unsafe.Pointer(in.Count))
+	return nil
+}
+
+// Convert_storage_VolumeNodeResources_To_v1beta1_VolumeNodeResources is an autogenerated conversion function.
+func Convert_storage_VolumeNodeResources_To_v1beta1_VolumeNodeResources(in *storage.VolumeNodeResources, out *v1beta1.VolumeNodeResources, s conversion.Scope) error {
+	return autoConvert_storage_VolumeNodeResources_To_v1beta1_VolumeNodeResources(in, out, s)
+}
diff --git a/pkg/apis/storage/validation/BUILD b/pkg/apis/storage/validation/BUILD
index 54e9a1c53cc..a3f234b1ffe 100644
--- a/pkg/apis/storage/validation/BUILD
+++ b/pkg/apis/storage/validation/BUILD
@@ -36,6 +36,7 @@ go_test(
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
         "//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",
+        "//vendor/k8s.io/utils/pointer:go_default_library",
     ],
 )
 
diff --git a/pkg/apis/storage/zz_generated.deepcopy.go b/pkg/apis/storage/zz_generated.deepcopy.go
index 33232756c26..55c5583cf2e 100644
--- a/pkg/apis/storage/zz_generated.deepcopy.go
+++ b/pkg/apis/storage/zz_generated.deepcopy.go
@@ -146,6 +146,11 @@ func (in *CSINodeDriver) DeepCopyInto(out *CSINodeDriver) {
 		*out = make([]string, len(*in))
 		copy(*out, *in)
 	}
+	if in.Allocatable != nil {
+		in, out := &in.Allocatable, &out.Allocatable
+		*out = new(VolumeNodeResources)
+		(*in).DeepCopyInto(*out)
+	}
 	return
 }
 
@@ -461,3 +466,24 @@ func (in *VolumeError) DeepCopy() *VolumeError {
 	in.DeepCopyInto(out)
 	return out
 }
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *VolumeNodeResources) DeepCopyInto(out *VolumeNodeResources) {
+	*out = *in
+	if in.Count != nil {
+		in, out := &in.Count, &out.Count
+		*out = new(int32)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new VolumeNodeResources.
+func (in *VolumeNodeResources) DeepCopy() *VolumeNodeResources {
+	if in == nil {
+		return nil
+	}
+	out := new(VolumeNodeResources)
+	in.DeepCopyInto(out)
+	return out
+}
diff --git a/pkg/registry/storage/csinode/BUILD b/pkg/registry/storage/csinode/BUILD
index fdf1f063d09..1c90ff26a87 100644
--- a/pkg/registry/storage/csinode/BUILD
+++ b/pkg/registry/storage/csinode/BUILD
@@ -12,9 +12,11 @@ go_library(
         "//pkg/api/legacyscheme:go_default_library",
         "//pkg/apis/storage:go_default_library",
         "//pkg/apis/storage/validation:go_default_library",
+        "//pkg/features:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
         "//staging/src/k8s.io/apiserver/pkg/storage/names:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
     ],
 )
 
@@ -41,8 +43,12 @@ go_test(
     embed = [":go_default_library"],
     deps = [
         "//pkg/apis/storage:go_default_library",
+        "//pkg/features:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
         "//staging/src/k8s.io/apiserver/pkg/endpoints/request:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
+        "//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",
+        "//vendor/k8s.io/utils/pointer:go_default_library",
     ],
 )
diff --git a/staging/src/k8s.io/api/storage/v1beta1/generated.pb.go b/staging/src/k8s.io/api/storage/v1beta1/generated.pb.go
index d76a35e6557..20cbb9bf15b 100644
--- a/staging/src/k8s.io/api/storage/v1beta1/generated.pb.go
+++ b/staging/src/k8s.io/api/storage/v1beta1/generated.pb.go
@@ -39,6 +39,7 @@ limitations under the License.
 		VolumeAttachmentSpec
 		VolumeAttachmentStatus
 		VolumeError
+		VolumeNodeResources
 */
 package v1beta1
 
@@ -126,6 +127,10 @@ func (m *VolumeError) Reset()                    { *m = VolumeError{} }
 func (*VolumeError) ProtoMessage()               {}
 func (*VolumeError) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{14} }
 
+func (m *VolumeNodeResources) Reset()                    { *m = VolumeNodeResources{} }
+func (*VolumeNodeResources) ProtoMessage()               {}
+func (*VolumeNodeResources) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{15} }
+
 func init() {
 	proto.RegisterType((*CSIDriver)(nil), "k8s.io.api.storage.v1beta1.CSIDriver")
 	proto.RegisterType((*CSIDriverList)(nil), "k8s.io.api.storage.v1beta1.CSIDriverList")
@@ -142,6 +147,7 @@ func init() {
 	proto.RegisterType((*VolumeAttachmentSpec)(nil), "k8s.io.api.storage.v1beta1.VolumeAttachmentSpec")
 	proto.RegisterType((*VolumeAttachmentStatus)(nil), "k8s.io.api.storage.v1beta1.VolumeAttachmentStatus")
 	proto.RegisterType((*VolumeError)(nil), "k8s.io.api.storage.v1beta1.VolumeError")
+	proto.RegisterType((*VolumeNodeResources)(nil), "k8s.io.api.storage.v1beta1.VolumeNodeResources")
 }
 func (m *CSIDriver) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
@@ -325,6 +331,16 @@ func (m *CSINodeDriver) MarshalTo(dAtA []byte) (int, error) {
 			i += copy(dAtA[i:], s)
 		}
 	}
+	if m.Allocatable != nil {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintGenerated(dAtA, i, uint64(m.Allocatable.Size()))
+		n6, err := m.Allocatable.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n6
+	}
 	return i, nil
 }
 
@@ -346,11 +362,11 @@ func (m *CSINodeList) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.ListMeta.Size()))
-	n6, err := m.ListMeta.MarshalTo(dAtA[i:])
+	n7, err := m.ListMeta.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n6
+	i += n7
 	if len(m.Items) > 0 {
 		for _, msg := range m.Items {
 			dAtA[i] = 0x12
@@ -414,11 +430,11 @@ func (m *StorageClass) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.ObjectMeta.Size()))
-	n7, err := m.ObjectMeta.MarshalTo(dAtA[i:])
+	n8, err := m.ObjectMeta.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n7
+	i += n8
 	dAtA[i] = 0x12
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Provisioner)))
@@ -515,11 +531,11 @@ func (m *StorageClassList) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.ListMeta.Size()))
-	n8, err := m.ListMeta.MarshalTo(dAtA[i:])
+	n9, err := m.ListMeta.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n8
+	i += n9
 	if len(m.Items) > 0 {
 		for _, msg := range m.Items {
 			dAtA[i] = 0x12
@@ -553,27 +569,27 @@ func (m *VolumeAttachment) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.ObjectMeta.Size()))
-	n9, err := m.ObjectMeta.MarshalTo(dAtA[i:])
-	if err != nil {
-		return 0, err
-	}
-	i += n9
-	dAtA[i] = 0x12
-	i++
-	i = encodeVarintGenerated(dAtA, i, uint64(m.Spec.Size()))
-	n10, err := m.Spec.MarshalTo(dAtA[i:])
+	n10, err := m.ObjectMeta.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
 	i += n10
-	dAtA[i] = 0x1a
+	dAtA[i] = 0x12
 	i++
-	i = encodeVarintGenerated(dAtA, i, uint64(m.Status.Size()))
-	n11, err := m.Status.MarshalTo(dAtA[i:])
+	i = encodeVarintGenerated(dAtA, i, uint64(m.Spec.Size()))
+	n11, err := m.Spec.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
 	i += n11
+	dAtA[i] = 0x1a
+	i++
+	i = encodeVarintGenerated(dAtA, i, uint64(m.Status.Size()))
+	n12, err := m.Status.MarshalTo(dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n12
 	return i, nil
 }
 
@@ -595,11 +611,11 @@ func (m *VolumeAttachmentList) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.ListMeta.Size()))
-	n12, err := m.ListMeta.MarshalTo(dAtA[i:])
+	n13, err := m.ListMeta.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n12
+	i += n13
 	if len(m.Items) > 0 {
 		for _, msg := range m.Items {
 			dAtA[i] = 0x12
@@ -640,11 +656,11 @@ func (m *VolumeAttachmentSource) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(m.InlineVolumeSpec.Size()))
-		n13, err := m.InlineVolumeSpec.MarshalTo(dAtA[i:])
+		n14, err := m.InlineVolumeSpec.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n13
+		i += n14
 	}
 	return i, nil
 }
@@ -671,11 +687,11 @@ func (m *VolumeAttachmentSpec) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0x12
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.Source.Size()))
-	n14, err := m.Source.MarshalTo(dAtA[i:])
+	n15, err := m.Source.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n14
+	i += n15
 	dAtA[i] = 0x1a
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(len(m.NodeName)))
@@ -732,21 +748,21 @@ func (m *VolumeAttachmentStatus) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x1a
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(m.AttachError.Size()))
-		n15, err := m.AttachError.MarshalTo(dAtA[i:])
+		n16, err := m.AttachError.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n15
+		i += n16
 	}
 	if m.DetachError != nil {
 		dAtA[i] = 0x22
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(m.DetachError.Size()))
-		n16, err := m.DetachError.MarshalTo(dAtA[i:])
+		n17, err := m.DetachError.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n16
+		i += n17
 	}
 	return i, nil
 }
@@ -769,11 +785,11 @@ func (m *VolumeError) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.Time.Size()))
-	n17, err := m.Time.MarshalTo(dAtA[i:])
+	n18, err := m.Time.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n17
+	i += n18
 	dAtA[i] = 0x12
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Message)))
@@ -781,6 +797,29 @@ func (m *VolumeError) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *VolumeNodeResources) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *VolumeNodeResources) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Count != nil {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintGenerated(dAtA, i, uint64(*m.Count))
+	}
+	return i, nil
+}
+
 func encodeVarintGenerated(dAtA []byte, offset int, v uint64) int {
 	for v >= 1<<7 {
 		dAtA[offset] = uint8(v&0x7f | 0x80)
@@ -849,6 +888,10 @@ func (m *CSINodeDriver) Size() (n int) {
 			n += 1 + l + sovGenerated(uint64(l))
 		}
 	}
+	if m.Allocatable != nil {
+		l = m.Allocatable.Size()
+		n += 1 + l + sovGenerated(uint64(l))
+	}
 	return n
 }
 
@@ -1018,6 +1061,15 @@ func (m *VolumeError) Size() (n int) {
 	return n
 }
 
+func (m *VolumeNodeResources) Size() (n int) {
+	var l int
+	_ = l
+	if m.Count != nil {
+		n += 1 + sovGenerated(uint64(*m.Count))
+	}
+	return n
+}
+
 func sovGenerated(x uint64) (n int) {
 	for {
 		n++
@@ -1083,6 +1135,7 @@ func (this *CSINodeDriver) String() string {
 		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
 		`NodeID:` + fmt.Sprintf("%v", this.NodeID) + `,`,
 		`TopologyKeys:` + fmt.Sprintf("%v", this.TopologyKeys) + `,`,
+		`Allocatable:` + strings.Replace(fmt.Sprintf("%v", this.Allocatable), "VolumeNodeResources", "VolumeNodeResources", 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -1226,6 +1279,16 @@ func (this *VolumeError) String() string {
 	}, "")
 	return s
 }
+func (this *VolumeNodeResources) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&VolumeNodeResources{`,
+		`Count:` + valueToStringGenerated(this.Count) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func valueToStringGenerated(v interface{}) string {
 	rv := reflect.ValueOf(v)
 	if rv.IsNil() {
@@ -1773,6 +1836,39 @@ func (m *CSINodeDriver) Unmarshal(dAtA []byte) error {
 			}
 			m.TopologyKeys = append(m.TopologyKeys, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Allocatable", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Allocatable == nil {
+				m.Allocatable = &VolumeNodeResources{}
+			}
+			if err := m.Allocatable.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
@@ -3330,6 +3426,76 @@ func (m *VolumeError) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *VolumeNodeResources) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenerated
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: VolumeNodeResources: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: VolumeNodeResources: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Count", wireType)
+			}
+			var v int32
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Count = &v
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenerated(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipGenerated(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
@@ -3440,83 +3606,87 @@ func init() {
 }
 
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+	0x19, 0x7c, 0x7c, 0x80, 0x96, 0x39, 0xb8, 0x6d, 0xea, 0x07, 0x3b, 0xac, 0xed, 0xbb, 0x87, 0x9a,
+	0x9a, 0x8b, 0xce, 0x56, 0xdc, 0xab, 0x2c, 0x93, 0xac, 0xe2, 0xa8, 0x57, 0xb9, 0x31, 0xfa, 0xaa,
+	0xd9, 0x3b, 0xc0, 0x85, 0x2f, 0x24, 0x84, 0x32, 0x21, 0xec, 0x80, 0x0f, 0x19, 0xc4, 0x56, 0x77,
+	0x27, 0x50, 0x9b, 0xe5, 0x71, 0x24, 0x7d, 0x16, 0x8a, 0xe2, 0x6c, 0x7a, 0x77, 0x1a, 0x19, 0x39,
+	0x19, 0xb0, 0xc2, 0x8f, 0xd0, 0xaa, 0xa2, 0xf9, 0x97, 0x49, 0x80, 0xad, 0xaf, 0x22, 0x1a, 0xaa,
+	0x56, 0x15, 0xe7, 0xf4, 0x22, 0x2b, 0xc6, 0xbd, 0xca, 0xea, 0xc6, 0x18, 0x3d, 0x19, 0xeb, 0x85,
+	0x3f, 0x43, 0x2b, 0x5d, 0x2d, 0x72, 0xfc, 0xd0, 0xf3, 0xc3, 0x56, 0x83, 0x79, 0x50, 0x9c, 0xd7,
+	0x45, 0x5f, 0x8d, 0x7b, 0x95, 0x95, 0x27, 0xc3, 0xca, 0xa3, 0x71, 0x42, 0x32, 0x0a, 0x82, 0x5f,
+	0xa0, 0x15, 0x1d, 0x11, 0x3c, 0xb3, 0x08, 0x7c, 0x10, 0xc5, 0x05, 0x3d, 0xbf, 0xf5, 0xec, 0xfc,
+	0x54, 0xeb, 0x14, 0x91, 0x8e, 0xd7, 0xc5, 0x2e, 0xb4, 0xc1, 0x95, 0x8c, 0xef, 0x01, 0x0f, 0x9c,
+	0xf7, 0xcc, 0xbc, 0x56, 0x36, 0x86, 0xa1, 0xc8, 0x28, 0x7a, 0xe9, 0x63, 0x74, 0x71, 0x68, 0xe0,
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+	0x0e, 0x24, 0x0c, 0x24, 0xc9, 0xe1, 0xde, 0xf4, 0x5d, 0xab, 0xfa, 0x9b, 0x85, 0x0a, 0x59, 0xf6,
+	0x9c, 0xc3, 0xda, 0x68, 0x0c, 0xae, 0x8d, 0xf5, 0xd3, 0x12, 0x7b, 0xc2, 0xee, 0xf8, 0x71, 0x1a,
+	0x15, 0x92, 0xe1, 0x24, 0xef, 0x60, 0x00, 0xa1, 0x3c, 0x87, 0xab, 0x4d, 0x06, 0xde, 0xaa, 0x1b,
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+	0xbc, 0x42, 0xbd, 0x75, 0x26, 0x54, 0xed, 0x99, 0x3e, 0x5a, 0xc9, 0x99, 0x18, 0xc4, 0xea, 0xef,
+	0x16, 0x5a, 0x1d, 0x76, 0x39, 0x87, 0x61, 0x7f, 0x3a, 0x38, 0xec, 0x6b, 0x67, 0xa9, 0x68, 0xc2,
+	0xc0, 0xff, 0xb4, 0xd0, 0x3b, 0x23, 0xc5, 0xeb, 0xe7, 0x51, 0xed, 0x89, 0x68, 0x68, 0x1b, 0x6d,
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+	0xb4, 0x90, 0x7c, 0xcf, 0x01, 0x37, 0x65, 0xf4, 0xdb, 0xbd, 0x61, 0xe4, 0xa4, 0x6f, 0xa1, 0x19,
+	0xa4, 0x5b, 0x61, 0x12, 0x3d, 0x1b, 0x83, 0xb4, 0x67, 0x86, 0x41, 0xfa, 0x4c, 0x0c, 0xa2, 0xca,
+	0x44, 0x7d, 0x00, 0xe9, 0x86, 0xe6, 0x06, 0x33, 0xd9, 0x36, 0x72, 0xd2, 0xb7, 0xa8, 0xfe, 0x9b,
+	0x1b, 0x33, 0x25, 0x4d, 0xc5, 0x4c, 0x49, 0xc7, 0x9f, 0xb1, 0xc3, 0x25, 0x79, 0xfd, 0x92, 0x3c,
+	0xfc, 0x83, 0x85, 0x30, 0xed, 0x43, 0x34, 0x8e, 0xa9, 0x9a, 0xf0, 0xe9, 0xc1, 0xd9, 0x6f, 0x88,
+	0xbd, 0x31, 0x02, 0x96, 0xbc, 0x93, 0x25, 0x93, 0x04, 0x1e, 0x35, 0x20, 0x63, 0x32, 0xc0, 0x3e,
+	0xca, 0x27, 0xd2, 0x2d, 0xce, 0x19, 0x37, 0x57, 0xf6, 0xf2, 0xc9, 0x09, 0x69, 0x73, 0xa7, 0xac,
+	0x3f, 0xe4, 0x52, 0xff, 0xa3, 0x5e, 0x25, 0x9f, 0xd1, 0x93, 0x2c, 0xb6, 0x0a, 0xe5, 0x41, 0x1a,
+	0x6a, 0xe6, 0x7f, 0x84, 0xba, 0x0f, 0x93, 0x43, 0x65, 0xb0, 0x4b, 0x5b, 0xe8, 0xdd, 0x09, 0x0d,
+	0x3a, 0xd3, 0xbb, 0xf2, 0x8d, 0x85, 0xb2, 0x31, 0xf0, 0x23, 0x34, 0xa3, 0xfe, 0x6a, 0x9a, 0x0d,
+	0x73, 0xf5, 0x74, 0x1b, 0x66, 0xcf, 0x0f, 0x20, 0x5d, 0x94, 0xea, 0x44, 0x34, 0x0a, 0xbe, 0x82,
+	0xe6, 0x03, 0x10, 0x82, 0xb6, 0x4c, 0xe4, 0xf4, 0xab, 0xaf, 0x91, 0x88, 0xc9, 0xb1, 0xbe, 0x7a,
+	0x07, 0x5d, 0x1a, 0xf3, 0x1d, 0x8d, 0x2b, 0x68, 0xd6, 0xd5, 0xff, 0x85, 0x54, 0x42, 0xb3, 0xce,
+	0xa2, 0xda, 0x32, 0x9b, 0xfa, 0x2f, 0x50, 0x22, 0x77, 0xae, 0xbf, 0x7c, 0x53, 0x9e, 0x7a, 0xf5,
+	0xa6, 0x3c, 0xf5, 0xfa, 0x4d, 0x79, 0xea, 0xeb, 0xb8, 0x6c, 0xbd, 0x8c, 0xcb, 0xd6, 0xab, 0xb8,
+	0x6c, 0xbd, 0x8e, 0xcb, 0xd6, 0x5f, 0x71, 0xd9, 0xfa, 0xee, 0xef, 0xf2, 0xd4, 0xd3, 0x79, 0xd3,
+	0xef, 0xff, 0x02, 0x00, 0x00, 0xff, 0xff, 0xce, 0x65, 0xbb, 0xc7, 0x7f, 0x10, 0x00, 0x00,
 }
diff --git a/staging/src/k8s.io/api/storage/v1beta1/generated.proto b/staging/src/k8s.io/api/storage/v1beta1/generated.proto
index b78d59aa58a..3bcc2139cad 100644
--- a/staging/src/k8s.io/api/storage/v1beta1/generated.proto
+++ b/staging/src/k8s.io/api/storage/v1beta1/generated.proto
@@ -144,6 +144,10 @@ message CSINodeDriver {
   // This can be empty if driver does not support topology.
   // +optional
   repeated string topologyKeys = 3;
+
+  // allocatable represents the volume resources of a node that are available for scheduling.
+  // +optional
+  optional VolumeNodeResources allocatable = 4;
 }
 
 // CSINodeList is a collection of CSINode objects.
@@ -330,3 +334,13 @@ message VolumeError {
   optional string message = 2;
 }
 
+// VolumeNodeResources is a set of resource limits for scheduling of volumes.
+message VolumeNodeResources {
+  // Maximum number of unique volumes managed by the CSI driver that can be used on a node.
+  // A volume that is both attached and mounted on a node is considered to be used once, not twice.
+  // The same rule applies for a unique volume that is shared among multiple pods on the same node.
+  // If this field is nil, then the supported number of volumes on this node is unbounded.
+  // +optional
+  optional int32 count = 1;
+}
+
diff --git a/staging/src/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go b/staging/src/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go
index ec741ecf702..0bc3456b977 100644
--- a/staging/src/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go
@@ -72,6 +72,7 @@ var map_CSINodeDriver = map[string]string{
 	"name":         "This is the name of the CSI driver that this object refers to. This MUST be the same name returned by the CSI GetPluginName() call for that driver.",
 	"nodeID":       "nodeID of the node from the driver point of view. This field enables Kubernetes to communicate with storage systems that do not share the same nomenclature for nodes. For example, Kubernetes may refer to a given node as \"node1\", but the storage system may refer to the same node as \"nodeA\". When Kubernetes issues a command to the storage system to attach a volume to a specific node, it can use this field to refer to the node name using the ID that the storage system will understand, e.g. \"nodeA\" instead of \"node1\". This field is required.",
 	"topologyKeys": "topologyKeys is the list of keys supported by the driver. When a driver is initialized on a cluster, it provides a set of topology keys that it understands (e.g. \"company.com/zone\", \"company.com/region\"). When a driver is initialized on a node, it provides the same topology keys along with values. Kubelet will expose these topology keys as labels on its own node object. When Kubernetes does topology aware provisioning, it can use this list to determine which labels it should retrieve from the node object and pass back to the driver. It is possible for different nodes to use different topology keys. This can be empty if driver does not support topology.",
+	"allocatable":  "allocatable represents the volume resources of a node that are available for scheduling.",
 }
 
 func (CSINodeDriver) SwaggerDoc() map[string]string {
@@ -186,4 +187,13 @@ func (VolumeError) SwaggerDoc() map[string]string {
 	return map_VolumeError
 }
 
+var map_VolumeNodeResources = map[string]string{
+	"":      "VolumeNodeResources is a set of resource limits for scheduling of volumes.",
+	"count": "Maximum number of unique volumes managed by the CSI driver that can be used on a node. A volume that is both attached and mounted on a node is considered to be used once, not twice. The same rule applies for a unique volume that is shared among multiple pods on the same node. If this field is nil, then the supported number of volumes on this node is unbounded.",
+}
+
+func (VolumeNodeResources) SwaggerDoc() map[string]string {
+	return map_VolumeNodeResources
+}
+
 // AUTO-GENERATED FUNCTIONS END HERE
diff --git a/staging/src/k8s.io/api/storage/v1beta1/zz_generated.deepcopy.go b/staging/src/k8s.io/api/storage/v1beta1/zz_generated.deepcopy.go
index 30594233207..6b4726559fa 100644
--- a/staging/src/k8s.io/api/storage/v1beta1/zz_generated.deepcopy.go
+++ b/staging/src/k8s.io/api/storage/v1beta1/zz_generated.deepcopy.go
@@ -146,6 +146,11 @@ func (in *CSINodeDriver) DeepCopyInto(out *CSINodeDriver) {
 		*out = make([]string, len(*in))
 		copy(*out, *in)
 	}
+	if in.Allocatable != nil {
+		in, out := &in.Allocatable, &out.Allocatable
+		*out = new(VolumeNodeResources)
+		(*in).DeepCopyInto(*out)
+	}
 	return
 }
 
@@ -461,3 +466,24 @@ func (in *VolumeError) DeepCopy() *VolumeError {
 	in.DeepCopyInto(out)
 	return out
 }
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *VolumeNodeResources) DeepCopyInto(out *VolumeNodeResources) {
+	*out = *in
+	if in.Count != nil {
+		in, out := &in.Count, &out.Count
+		*out = new(int32)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new VolumeNodeResources.
+func (in *VolumeNodeResources) DeepCopy() *VolumeNodeResources {
+	if in == nil {
+		return nil
+	}
+	out := new(VolumeNodeResources)
+	in.DeepCopyInto(out)
+	return out
+}
diff --git a/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.json b/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.json
index 9f53116e08e..1c24dfcd984 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.json
+++ b/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.json
@@ -47,7 +47,10 @@
         "nodeID": "25",
         "topologyKeys": [
           "26"
-        ]
+        ],
+        "allocatable": {
+          "count": -1821918122
+        }
       }
     ]
   }
diff --git a/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.pb b/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.pb
index a56b23c3c73..6b743d404f3 100644
Binary files a/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.pb and b/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.pb differ
diff --git a/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.yaml b/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.yaml
index b7d87ac5c9c..e8015e9590e 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.yaml
+++ b/staging/src/k8s.io/api/testdata/HEAD/storage.k8s.io.v1beta1.CSINode.yaml
@@ -33,7 +33,9 @@ metadata:
   uid: ą飋īqJ枊a8衍`Ĩɘ.蘯6ċV夸e
 spec:
   drivers:
-  - name: "24"
+  - allocatable:
+      count: -1821918122
+    name: "24"
     nodeID: "25"
     topologyKeys:
     - "26"