Reordered DPCTL_USM_HOST and DPCTL_USM_SHARED

DEVICE<SHARED<HOST

Author: oleksandr-pavlyk

dpctl/_backend.pxd

@@ -37,8 +37,8 @@ cdef extern from "syclinterface/dpctl_sycl_enum_types.h":
     ctypedef enum _usm_type 'DPCTLSyclUSMType':
         _USM_UNKNOWN     'DPCTL_USM_UNKNOWN'
         _USM_DEVICE      'DPCTL_USM_DEVICE'
-        _USM_HOST        'DPCTL_USM_HOST'
         _USM_SHARED      'DPCTL_USM_SHARED'
+        _USM_HOST        'DPCTL_USM_HOST'
 
     ctypedef enum _backend_type 'DPCTLSyclBackendType':
         _ALL_BACKENDS    'DPCTL_ALL_BACKENDS'

dpctl/enum_types.py

@@ -113,3 +113,14 @@ class global_mem_cache_type(Enum):
     none = auto()
     read_only = auto()
     read_write = auto()
+
+
+class usm_type(Enum):
+    """
+    An enumeration of USM allocation types.
+    """
+
+    unknown = auto()
+    device = auto()
+    shared = auto()
+    host = auto()

libsyclinterface/include/dpctl_sycl_enum_types.h

@@ -39,8 +39,8 @@ typedef enum
 {
     DPCTL_USM_UNKNOWN = 0,
     DPCTL_USM_DEVICE,
-    DPCTL_USM_HOST,
-    DPCTL_USM_SHARED
+    DPCTL_USM_SHARED,
+    DPCTL_USM_HOST
 } DPCTLSyclUSMType;
 
 /*!