[UR][Offload] Add some default returns for device info queries. (#19623)

Typically these are cribbed from the CUDA + Hip adapters, but only when
it makes sense as a default for l0 as well (or pertains to something
we're already reporting no support for in the case of the device
partition stuff).

Author: aarongreig

unified-runtime/source/adapters/offload/device.cpp

@@ -107,11 +107,13 @@ UR_APIEXPORT ur_result_t UR_APICALL urDeviceGetInfo(ur_device_handle_t hDevice,
   }
   // Unimplemented features
   case UR_DEVICE_INFO_PROGRAM_SET_SPECIALIZATION_CONSTANTS:
+  case UR_DEVICE_INFO_KERNEL_SET_SPECIALIZATION_CONSTANTS:
   case UR_DEVICE_INFO_USM_POOL_SUPPORT:
   case UR_DEVICE_INFO_COMMAND_BUFFER_SUPPORT_EXP:
   case UR_DEVICE_INFO_IMAGE_SUPPORT:
   case UR_DEVICE_INFO_VIRTUAL_MEMORY_SUPPORT:
   case UR_DEVICE_INFO_MEM_CHANNEL_SUPPORT:
+  case UR_DEVICE_INFO_HOST_PIPE_READ_WRITE_SUPPORT:
   // TODO: Atomic queries in Offload
   case UR_DEVICE_INFO_ATOMIC_64:
   case UR_DEVICE_INFO_IMAGE_SRGB:
@@ -134,6 +136,71 @@ UR_APIEXPORT ur_result_t UR_APICALL urDeviceGetInfo(ur_device_handle_t hDevice,
     }
     return UR_RESULT_SUCCESS;
   }
+  case UR_DEVICE_INFO_PARTITION_MAX_SUB_DEVICES: {
+    return ReturnValue(0u);
+  }
+  case UR_DEVICE_INFO_PARTITION_AFFINITY_DOMAIN: {
+    return ReturnValue(0u);
+  }
+  case UR_DEVICE_INFO_PARTITION_TYPE: {
+    if (pPropSizeRet) {
+      *pPropSizeRet = 0;
+    }
+    return UR_RESULT_SUCCESS;
+  }
+  case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_CHAR: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_SHORT: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_INT: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_LONG: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_FLOAT: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_PREFERRED_VECTOR_WIDTH_DOUBLE: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_CHAR: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_SHORT: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_INT: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_LONG: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_FLOAT: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_NATIVE_VECTOR_WIDTH_DOUBLE: {
+    return ReturnValue(1u);
+  }
+  case UR_DEVICE_INFO_SINGLE_FP_CONFIG:
+  case UR_DEVICE_INFO_DOUBLE_FP_CONFIG: {
+    // This minimal set of flags will at least signal to sycl that we support
+    // the basic FP types.
+    ur_device_fp_capability_flags_t SupportedFlags =
+        UR_DEVICE_FP_CAPABILITY_FLAG_INF_NAN |
+        UR_DEVICE_FP_CAPABILITY_FLAG_ROUND_TO_NEAREST;
+    return ReturnValue(SupportedFlags);
+  }
+  case UR_DEVICE_INFO_AVAILABLE: {
+    return ReturnValue(ur_bool_t{true});
+  }
+  case UR_DEVICE_INFO_BUILT_IN_KERNELS: {
+    // An empty string is returned if no built-in kernels are supported by the
+    // device.
+    return ReturnValue("");
+  }
   default:
     return UR_RESULT_ERROR_UNSUPPORTED_ENUMERATION;
   }