rom/filesys/SFS/FS/deviceio.h

   1 #ifndef _DEVICEIO_H
   2 #define _DEVICEIO_H
   3
   4 #include <devices/scsidisk.h>
   5
   6 struct SCSI10Cmd {
   7   UBYTE Opcode;
   8   UBYTE Lun;
   9   ULONG LBA;
  10   UBYTE Reserved;
  11   UBYTE Length[2];
  12   UBYTE Control;
  13 };
  14
  15 struct Read10Cmd {
  16   UBYTE Opcode;
  17   UBYTE Lun;
  18   ULONG LBA;
  19   UBYTE Reserved;
  20   UBYTE Length[2];
  21   UBYTE Control;
  22 };
  23
  24 struct Write10Cmd {
  25   UBYTE Opcode;
  26   UBYTE Lun;
  27   ULONG LBA;
  28   UBYTE Reserved;
  29   UBYTE Length[2];
  30   UBYTE Control;
  31 };
  32
  33 #define SCSICMD_READ10   0x28
  34 #define SCSICMD_WRITE10  0x2a
  35
  36 #define DIO_READ  (1)
  37 #define DIO_WRITE (2)
  38
  39 /* Errorcodes returned by device io functions, in addition to the
  40    errors which can be returned by the OpenDevice() call when
  41    calling initdeviceio(): */
  42
  43 #define ERROR_NO_64BIT_SUPPORT    (95)    /* Returned when the partition requires 64-bit support
  44                                              to function, but no 64-bit support is present. */
  45 #define ERROR_OUTSIDE_PARTITION   (99)
  46
  47
  48 /* Values returned by deviceapiused() */
  49
  50 #define DAU_NORMAL     (0)
  51 #define DAU_NSD        (1)
  52 #define DAU_TD64       (2)
  53 #define DAU_SCSIDIRECT (3)
  54
  55 struct fsIORequest {
  56   struct fsIORequest *next;
  57   struct IOStdReq *ioreq;
  58   struct SCSICmd scsicmd;
  59   struct SCSI10Cmd scsi10cmd;
  60   UWORD action;
  61 };
  62
  63 #endif // _DEVICEIO_H