Merge pull request #1786 from JackAKirk/l0-fix-enable-p2p

[L0] Return success on enable/disable p2p.

Author: kbenzie

source/adapters/hip/device.cpp

@@ -549,6 +549,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urDeviceGetInfo(ur_device_handle_t hDevice,
     // native asserts are in progress
     std::string SupportedExtensions = "";
     SupportedExtensions += "pi_ext_intel_devicelib_assert ";
+    SupportedExtensions += "ur_exp_usm_p2p ";
 
     int RuntimeVersion = 0;
     UR_CHECK_ERROR(hipRuntimeGetVersion(&RuntimeVersion));

source/adapters/level_zero/device.cpp

@@ -247,6 +247,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urDeviceGetInfo(
     SupportedExtensions += ("ur_exp_command_buffer ");
     // Return supported for the UR multi-device compile experimental feature
     SupportedExtensions += ("ur_exp_multi_device_compile ");
+    SupportedExtensions += ("ur_exp_usm_p2p ");
 
     return ReturnValue(SupportedExtensions.c_str());
   }

source/adapters/level_zero/usm_p2p.cpp

@@ -17,9 +17,8 @@ UR_APIEXPORT ur_result_t UR_APICALL urUsmP2PEnablePeerAccessExp(
   std::ignore = commandDevice;
   std::ignore = peerDevice;
 
-  logger::error(logger::LegacyMessage("[UR][L0] {} function not implemented!"),
-                "{} function not implemented!", __FUNCTION__);
-  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+  // L0 has peer devices enabled by default
+  return UR_RESULT_SUCCESS;
 }
 
 UR_APIEXPORT ur_result_t UR_APICALL urUsmP2PDisablePeerAccessExp(
@@ -28,9 +27,8 @@ UR_APIEXPORT ur_result_t UR_APICALL urUsmP2PDisablePeerAccessExp(
   std::ignore = commandDevice;
   std::ignore = peerDevice;
 
-  logger::error(logger::LegacyMessage("[UR][L0] {} function not implemented!"),
-                "{} function not implemented!", __FUNCTION__);
-  return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+  // L0 has peer devices enabled by default
+  return UR_RESULT_SUCCESS;
 }
 
 UR_APIEXPORT ur_result_t UR_APICALL urUsmP2PPeerAccessGetInfoExp(