arch/all-hosted/devs/hostdisk/hostdisk_device.h

   1 #ifndef FDSK_DEVICE_H
   2 #define FDSK_DEVICE_H
   3
   4 /*
   5     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   6     $Id$
   7 */
   8
   9 #include <aros/libcall.h>
  10 #include <exec/devices.h>
  11 #include <exec/semaphores.h>
  12 #include <exec/lists.h>
  13 #include <exec/ports.h>
  14 #include <dos/dos.h>
  15
  16 struct HostDiskBase
  17 {
  18     struct Device               device;
  19     struct SignalSemaphore      sigsem;
  20     struct List                 units;
  21     BPTR                        segList;
  22     STRPTR                      DiskDevice;
  23     ULONG                       unitBase;
  24     APTR                        HostLibBase;
  25     APTR                        KernelHandle;
  26     struct HostInterface       *iface;
  27     int                        *errnoPtr;
  28 };
  29
  30 #define HostLibBase hdskBase->HostLibBase
  31
  32 struct unit
  33 {
  34     struct Node                 n;
  35     struct HostDiskBase         *hdskBase;
  36     ULONG                       usecount;
  37     struct MsgPort              *port;
  38     file_t                      file;
  39     UBYTE                       flags;
  40     ULONG                       changecount;
  41     struct MinList              changeints;
  42 };
  43
  44 #define filename n.ln_Name
  45
  46 /* Unit flags */
  47 #define UNIT_READONLY 0x01
  48 #define UNIT_DEVICE   0x02
  49 #define UNIT_FREENAME 0x04
  50
  51 ULONG Host_Open(struct unit *Unit);
  52 void Host_Close(struct unit *Unit);
  53 LONG Host_Read(struct unit *Unit, APTR buf, ULONG size, ULONG *ioerr);
  54 LONG Host_Write(struct unit *Unit, APTR buf, ULONG size, ULONG *ioerr);
  55 ULONG Host_Seek(struct unit *Unit, ULONG pos);
  56 ULONG Host_Seek64(struct unit *Unit, ULONG pos, ULONG pos_hi);
  57 ULONG Host_GetGeometry(struct unit *Unit, struct DriveGeometry *dg);
  58 int Host_ProbeGeometry(struct HostDiskBase *hdskBase, char *name, struct DriveGeometry *dg);
  59
  60 #endif