[EM] Support mmap backed ellpack. (#10602)

- Support resource view in ellpack.
- Define the CUDA version of MMAP resource.
- Define the CUDA version of malloc resource.
- Refactor cuda runtime API wrappers, and add memory access related wrappers.
- gather windows macros into a single header.

tests/cpp/plugin/federated/test_federated_coll.cu

@@ -6,7 +6,7 @@
 #include <xgboost/collective/result.h>  // for Result
 
 #include "../../../../src/collective/allreduce.h"
-#include "../../../../src/common/common.h"            // for AllVisibleGPUs
+#include "../../../../src/common/cuda_rt_utils.h"     // for AllVisibleGPUs
 #include "../../../../src/common/device_helpers.cuh"  // for device_vector
 #include "../../../../src/common/type.h"              // for EraseType
 #include "../../collective/test_worker.h"             // for SocketTest

tests/cpp/plugin/federated/test_federated_comm_group.cc

@@ -1,11 +1,11 @@
 /**
- * Copyright 2023, XGBoost Contributors
+ * Copyright 2023-2024, XGBoost Contributors
  */
 #include <gtest/gtest.h>
 #include <xgboost/json.h>  // for Json
 
 #include "../../../../src/collective/comm_group.h"
-#include "../../helpers.h"
+#include "../../../../src/common/cuda_rt_utils.h"  // for AllVisibleGPUs
 #include "test_worker.h"
 
 namespace xgboost::collective {

tests/cpp/plugin/federated/test_federated_comm_group.cu

@@ -1,10 +1,11 @@
 /**
- * Copyright 2023, XGBoost Contributors
+ * Copyright 2023-2024, XGBoost Contributors
  */
 #include <gtest/gtest.h>
 #include <xgboost/json.h>  // for Json
 
 #include "../../../../src/collective/comm_group.h"
+#include "../../../../src/common/cuda_rt_utils.h"  // for AllVisibleGPUs
 #include "../../helpers.h"
 #include "test_worker.h"