src/system/kernel/device_manager/BaseDevice.h

   1 /*
   2  * Copyright 2008-2009, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef BASE_DEVICE_H
   6 #define BASE_DEVICE_H
   7
   8
   9 #include <device_manager.h>
  10
  11
  12 namespace BPrivate {
  13
  14
  15 class BaseDevice {
  16 public:
  17                                                         BaseDevice();
  18         virtual                                 ~BaseDevice();
  19
  20                         void                    SetID(ino_t id) { fID = id; }
  21                         ino_t                   ID() const              { return fID; }
  22
  23         virtual status_t                InitDevice();
  24         virtual void                    UninitDevice();
  25
  26         virtual void                    Removed();
  27
  28         virtual bool                    HasSelect() const;
  29         virtual bool                    HasDeselect() const;
  30         virtual bool                    HasRead() const;
  31         virtual bool                    HasWrite() const;
  32         virtual bool                    HasIO() const;
  33
  34         virtual status_t                Open(const char* path, int openMode,
  35                                                                 void** _cookie) = 0;
  36         virtual status_t                Read(void* cookie, off_t pos, void* buffer,
  37                                                                 size_t* _length);
  38         virtual status_t                Write(void* cookie, off_t pos, const void* buffer,
  39                                                                 size_t* _length);
  40         virtual status_t                IO(void* cookie, io_request* request);
  41         virtual status_t                Control(void* cookie, int32 op, void* buffer,
  42                                                                 size_t length);
  43         virtual status_t                Select(void* cookie, uint8 event, selectsync* sync);
  44         virtual status_t                Deselect(void* cookie, uint8 event,
  45                                                                 selectsync* sync);
  46
  47         virtual status_t                Close(void* cookie) = 0;
  48         virtual status_t                Free(void* cookie) = 0;
  49
  50 protected:
  51         ino_t                                   fID;
  52 };
  53
  54
  55 } // namespace BPrivate
  56
  57
  58 using BPrivate::BaseDevice;
  59
  60
  61 #endif  // BASE_DEVICE_H