public IPC class and update the docs

Signed-off-by: Zhan Xue <zhan.xue@intel.com>

Author: zxue2

docs/doc_sources/api_reference/dpctl/memory.rst

@@ -66,6 +66,27 @@ Should the USM allocation fail, the following Python exception will be raised:
 
     USMAllocationError
 
+.. rubric:: IPC (Inter-Process Communication) Memory
+
+Classes and functions for sharing USM device allocations across processes
+using IPC memory handles.
+
+.. autosummary::
+    :toctree: generated
+    :template: autosummary/usmmemory.rst
+    :nosignatures:
+
+    IPCMemoryHandle
+    MemoryIPCDevice
+
+.. autosummary::
+    :toctree: generated
+    :nosignatures:
+
+    SyclIPCGetMemHandle
+    SyclIPCOpenMemHandle
+    SyclIPCCloseMemHandle
+
 .. toctree::
     :hidden:
 

dpctl/memory/__init__.py

@@ -30,6 +30,7 @@
 """
 
 from ._memory import (
+    IPCMemoryHandle,
     MemoryIPCDevice,
     MemoryUSMDevice,
     MemoryUSMHost,
@@ -42,6 +43,7 @@
 )
 
 __all__ = [
+    "IPCMemoryHandle",
     "MemoryIPCDevice",
     "MemoryUSMDevice",
     "MemoryUSMHost",

dpctl/memory/_memory.pyx

@@ -79,6 +79,7 @@ __all__ = [
     "MemoryUSMHost",
     "MemoryUSMDevice",
     "MemoryIPCDevice",
+    "IPCMemoryHandle",
     "USMAllocationError",
     "SyclIPCGetMemHandle",
     "SyclIPCOpenMemHandle",