adapt to vllm-ascend v0.18.0

Signed-off-by: Jing Wang <jingwang96@qq.com>

csrc/vnpu_offload/shm_manager.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "shm_helper.h"
+
+class ShmManager {
+ public:
+  ShmManager();
+  ~ShmManager();
+
+  void set_gpu_info(int gpu_id, uint64_t vmem_size, uint64_t shared_handle);
+
+  // request
+  void process_requests();
+  // heart beat
+  void check_heart_beats();
+
+  void run_busy_loop();
+
+  void stop_busy_loop() {
+    stop_loop_flag.store(true, std::memory_order_release);
+  }
+
+  void register_callback_on_worker_change(
+      std::function<void(const std::vector<int32_t> &)> cb) {
+    cb_on_worker_change = std::move(cb);
+  }
+
+ private:
+  ShmHelper *shm_helper;
+  std::vector<int32_t> local_worker_tgids;
+  std::vector<int32_t> alive_worker_tgids;
+  std::vector<int> valid_gpu_ids;
+  std::atomic<bool> stop_loop_flag;
+  std::function<void(const std::vector<int32_t> &)> cb_on_worker_change;
+};