postgres hook 测试成功

src/daemon/spdk_engine.h

@@ -0,0 +1,68 @@
+#ifndef __ZVFS_SPDK_ENGINE_H__
+#define __ZVFS_SPDK_ENGINE_H__
+
+#include "common/uthash.h"
+#include "proto/ipc_proto.h"
+#include <stdint.h>
+#include <sys/types.h>
+#include <stdatomic.h>
+#include <spdk/blob.h>
+
+
+// blob_handle 结构体：底层 blob 信息，不含文件级 size（上层维护）
+typedef struct zvfs_blob_handle {
+    spdk_blob_id         blob_id;
+    struct spdk_blob    *blob;         
+    void                *dma_buf;      
+    uint64_t             dma_buf_size; 
+    atomic_uint          ref_count;
+} zvfs_blob_handle_t;
+
+struct zvfs_io_thread {
+    struct spdk_thread     *thread;
+    struct spdk_io_channel *channel;   // 每个 io 线程独占一个 channel
+    pthread_t               tid;
+    bool                    ready;
+};
+
+typedef uint64_t    zvfs_handle_id_t;
+
+struct zvfs_blob_cache_entry {
+    zvfs_handle_id_t              handle_id;   // key != blob_id
+    struct zvfs_blob_handle *handle;
+    UT_hash_handle           hh;
+};
+
+typedef struct zvfs_spdk_io_engine {
+    struct spdk_bs_dev      *bs_dev;
+    struct spdk_blob_store  *bs;
+
+
+    /* 线程池：thread_pool[0] 固定为 md 线程，其余为 io 线程 */
+    struct zvfs_io_thread   *thread_pool;       // 线程池
+    int                      thread_count;      // 总线程数 (= CPU 核心数)
+    int                      io_thread_count;   // 线程数量
+
+    struct zvfs_blob_cache_entry *handle_cache;   // handle_id -> handle 映射
+    pthread_mutex_t               cache_mu;
+
+    uint64_t                 io_unit_size;
+    uint64_t                 cluster_size;
+} zvfs_spdk_io_engine_t;
+
+
+int engine_cache_insert(struct zvfs_blob_handle *handle, zvfs_handle_id_t *out_id);
+struct zvfs_blob_handle *engine_cache_lookup(zvfs_handle_id_t handle_id);
+void engine_cache_remove(zvfs_handle_id_t handle_id);
+
+int io_engine_init(const char *bdev_name, const char *json_file, int thread_num);
+int blob_create(struct zvfs_req *req);
+int blob_open(struct zvfs_req *req);
+int blob_write(struct zvfs_req *req);
+int blob_read(struct zvfs_req *req);
+int blob_resize(struct zvfs_req *req);
+int blob_sync_md(struct zvfs_req *req);
+int blob_close(struct zvfs_req *req);
+int blob_delete(struct zvfs_req *req);
+
+#endif // __ZVFS_IO_ENGINE_H__