fix(hwmapping): enable nested USB hubs (#2636)

Signed-off-by: martin <menzelm98+bpg_terraform@gmail.com>
Signed-off-by: Pavel Boldyrev <pavel@bpg.sh>
Co-authored-by: martin <menzelm98+bpg_terraform@gmail.com>
Co-authored-by: Pavel Boldyrev <pavel@bpg.sh>

Author: 3 people

fwprovider/types/hardwaremapping/path.go

@@ -44,7 +44,7 @@ var (
 	PathPCIValueRegEx = regexp.MustCompile(`^[a-f0-9]{4,}:[a-f0-9]{2}:[a-f0-9]{2}(\.[a-f0-9])?$`)
 
 	// PathUSBValueRegEx is the regular expression for a USB hardware mapping path.
-	PathUSBValueRegEx = regexp.MustCompile(`^\d+-(\d+)(\.\d+)?$`)
+	PathUSBValueRegEx = regexp.MustCompile(`^\d+-(\d+)(\.\d+)*$`)
 )
 
 // PathType is a type that represents a path of a hardware mapping.

fwprovider/types/hardwaremapping/path_test.go

@@ -44,6 +44,12 @@ func TestPathValueFromTerraform(t *testing.T) {
 				return val.ValueString() == "1-5.2"
 			},
 		},
+		"Valid for USB Hub": {
+			val: tftypes.NewValue(tftypes.String, "1-5.2.4"),
+			expected: func(val PathValue) bool {
+				return val.ValueString() == "1-5.2.4"
+			},
+		},
 	}
 
 	for name, test := range tests {