ceph/src/tools/rbd_ggate/Driver.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_RBD_GGATE_DRIVER_H
   5 #define CEPH_RBD_GGATE_DRIVER_H
   6
   7 #include <list>
   8 #include <string>
   9
  10 #include "ggate_drv.h"
  11
  12 namespace rbd {
  13 namespace ggate {
  14
  15 struct Request;
  16
  17 class Driver {
  18 public:
  19   static int load();
  20   static int kill(const std::string &devname);
  21   static int list(std::list<std::string> &devs);
  22
  23   Driver(const std::string &devname, size_t sectorsize, size_t mediasize,
  24          bool readonly, const std::string &info);
  25
  26   int init();
  27   void shut_down();
  28
  29   std::string get_devname() const;
  30
  31   int recv(Request **req);
  32   int send(Request *req);
  33
  34   int resize(size_t newsize);
  35
  36 private:
  37   std::string m_devname;
  38   size_t m_sectorsize;
  39   size_t m_mediasize;
  40   bool m_readonly;
  41   std::string m_info;
  42   ggate_drv_t m_drv = 0;
  43 };
  44
  45 } // namespace ggate
  46 } // namespace rbd
  47
  48 #endif // CEPH_RBD_GGATE_DRIVER_H
  49