[SYCL][UR] Bump UR and implement adapter handles (#10349)

Bump the Unified Runtime commit, and make adapter changes needed for the
newly added adapter handles (see
#715 for details)

This fixes #10066 by providing an implementation of
`piPluginGetLastError` in pi2ur.

Author: callumfare

sycl/plugins/unified_runtime/ur/adapters/native_cpu/adapter.cpp

@@ -0,0 +1,64 @@
+//===---------------- runtime.cpp - Native CPU Adapter --------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "common.hpp"
+#include "ur_api.h"
+
+struct ur_adapter_handle_t_ {
+  std::atomic<uint32_t> RefCount = 0;
+} Adapter;
+
+UR_APIEXPORT ur_result_t UR_APICALL urInit(ur_device_init_flags_t,
+                                           ur_loader_config_handle_t) {
+  return UR_RESULT_SUCCESS;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urTearDown(void *) {
+  return UR_RESULT_SUCCESS;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urAdapterGet(
+    uint32_t, ur_adapter_handle_t *phAdapters, uint32_t *pNumAdapters) {
+  if (phAdapters) {
+    Adapter.RefCount++;
+    *phAdapters = &Adapter;
+  }
+  if (pNumAdapters) {
+    *pNumAdapters = 1;
+  }
+  return UR_RESULT_SUCCESS;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urAdapterRelease(ur_adapter_handle_t) {
+  Adapter.RefCount--;
+  return UR_RESULT_SUCCESS;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urAdapterRetain(ur_adapter_handle_t) {
+  Adapter.RefCount++;
+  return UR_RESULT_SUCCESS;
+}
+
+UR_APIEXPORT ur_result_t UR_APICALL urAdapterGetInfo(ur_adapter_handle_t,
+                                                     ur_adapter_info_t propName,
+                                                     size_t propSize,
+                                                     void *pPropValue,
+                                                     size_t *pPropSizeRet) {
+  UrReturnHelper ReturnValue(propSize, pPropValue, pPropSizeRet);
+
+  switch (propName) {
+  case UR_ADAPTER_INFO_BACKEND:
+    return ReturnValue(UR_ADAPTER_BACKEND_NATIVE_CPU);
+  case UR_ADAPTER_INFO_REFERENCE_COUNT:
+    return ReturnValue(Adapter.RefCount.load());
+  default:
+    return UR_RESULT_ERROR_INVALID_ENUMERATION;
+  }
+
+  return UR_RESULT_SUCCESS;
+}

sycl/plugins/unified_runtime/ur/adapters/native_cpu/runtime.cpp

@@ -200,6 +200,10 @@ UR_DLLEXPORT ur_result_t UR_APICALL urGetGlobalProcAddrTable(
   }
   pDdiTable->pfnInit = urInit;
   pDdiTable->pfnTearDown = urTearDown;
+  pDdiTable->pfnAdapterGet = urAdapterGet;
+  pDdiTable->pfnAdapterGetInfo = urAdapterGetInfo;
+  pDdiTable->pfnAdapterRelease = urAdapterRelease;
+  pDdiTable->pfnAdapterRetain = urAdapterRetain;
   return UR_RESULT_SUCCESS;
 }