ADXL数据结构

enum MemType {
  MEM_DEVICE,
  MEM_HOST
}

enum TransferOp {
  READ,
  WRITE
}

struct MemDesc {
  uintptr_t addr;
  size_t len;
  uint8_t reserved[128] = {};
}

struct TransferOpDesc {
  uintptr_t local_addr;
  uintptr_t remote_addr;
  size_t len;
}

using MemHandle = void *;