KernelLand/Modules/Storage/AHCI/sata.h

   1 /*
   2  * Acess2 Kernel - AHCI Driver
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * sata.h
   6  * - SATA Structures
   7  */
   8 #ifndef _AHCI__SATA_H_
   9 #define _AHCI__SATA_H_
  10
  11 enum eSATA_FIS_Types
  12 {
  13         SATA_FIS_D2HRegister = 0x34,
  14         SATA_FIS_DMASetup = 0x41,
  15         SATA_FIS_PIOSetup = 0x5F,
  16 };
  17
  18 struct sSATA_FIS_DMASetup
  19 {
  20         Uint8   Type;   // = 0x41
  21         Uint8   Flags;  // [6]: Interrupt, [5]: Direction
  22         Uint8   _resvd1[2];
  23         Uint32  DMABufIdLow;
  24         Uint32  DMABufIdHigh;
  25         Uint32  _resvd2[1];
  26         Uint32  DMABufOfs;
  27         Uint32  DMATransferCount;
  28         Uint32  _resvd[1];
  29 } PACKED;
  30 struct sSATA_FIS_PIOSetup
  31 {
  32         Uint8   Type;   // = 0x5F
  33         Uint8   Flags;
  34         Uint8   Status;
  35         Uint8   Error;
  36         Uint8   SectorNum;
  37         Uint8   CylLow;
  38         Uint8   CylHigh;
  39         Uint8   Dev_Head;
  40         Uint8   SectorNumExp;
  41         Uint8   CylLowExp;
  42         Uint8   CylHighExp;
  43         Uint8   _resvd1[1];
  44         Uint8   SectorCount;
  45         Uint8   SectorCountExp;
  46         Uint8   _resvd2[1];
  47         Uint8   E_Status;
  48         Uint16  TransferCount;
  49         Uint8   _resvd3[2];
  50 } PACKED;
  51 struct sSATA_FIS_D2HRegister
  52 {
  53         Uint8   Type;   // = 0x34
  54         Uint8   IntResvd;       // [6]: Interrupt bit
  55         Uint8   Status;
  56         Uint8   Error;
  57         Uint8   SectorNum;
  58         Uint8   CylLow;
  59         Uint8   CylHigh;
  60         Uint8   Dev_Head;
  61         Uint8   SectorNumExp;
  62         Uint8   CylLowExp;
  63         Uint8   CylHighExp;
  64         Uint8   _resvd1[1];
  65         Uint8   SectorCount;
  66         Uint8   SectorCountExp;
  67         Uint8   _resvd[6];
  68 } PACKED;
  69 struct sSATA_FIS_SDB
  70 {
  71         Uint8   Type;   // = 0xA1
  72         Uint8   IntResvd;
  73         Uint8   Status;
  74         Uint8   Error;
  75         Uint32  _resvd[1];
  76 } PACKED;
  77
  78 #endif
  79