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_Data = 0x46,
  16         SATA_FIS_PIOSetup = 0x5F,
  17 };
  18
  19 struct sSATA_FIS_DMASetup
  20 {
  21         Uint8   Type;   // = 0x41
  22         Uint8   Flags;  // [6]: Interrupt, [5]: Direction
  23         Uint8   _resvd1[2];
  24         Uint32  DMABufIdLow;
  25         Uint32  DMABufIdHigh;
  26         Uint32  _resvd2[1];
  27         Uint32  DMABufOfs;
  28         Uint32  DMATransferCount;
  29         Uint32  _resvd[1];
  30 } PACKED;
  31 struct sSATA_FIS_Data
  32 {
  33         Uint8   Type;   // = 0x46
  34         Uint8   _resvd[3];
  35         Uint32  Data[1];
  36 } PACKED;
  37 struct sSATA_FIS_PIOSetup
  38 {
  39         Uint8   Type;   // = 0x5F
  40         Uint8   Flags;
  41         Uint8   Status;
  42         Uint8   Error;
  43         Uint8   SectorNum;
  44         Uint8   CylLow;
  45         Uint8   CylHigh;
  46         Uint8   Dev_Head;
  47         Uint8   SectorNumExp;
  48         Uint8   CylLowExp;
  49         Uint8   CylHighExp;
  50         Uint8   _resvd1[1];
  51         Uint8   SectorCount;
  52         Uint8   SectorCountExp;
  53         Uint8   _resvd2[1];
  54         Uint8   E_Status;
  55         Uint16  TransferCount;
  56         Uint8   _resvd3[2];
  57 } PACKED;
  58 struct sSATA_FIS_H2DRegister
  59 {
  60         Uint8   Type;   // = 0x27
  61         Uint8   Flags;  // [7]: Update to command register
  62         Uint8   Command;
  63         Uint8   Features;
  64         Uint8   SectorNum;
  65         Uint8   CylLow;
  66         Uint8   CylHigh;
  67         Uint8   Dev_Head;
  68         Uint8   SectorNumExp;
  69         Uint8   CylLowExp;
  70         Uint8   CylHighExp;
  71         Uint8   FeaturesExp;
  72         Uint8   SectorCount;
  73         Uint8   SectorCountExp;
  74         Uint8   _resvd1;
  75         Uint8   Control;
  76         Uint8   _resvd2[4];
  77 } PACKED;
  78 struct sSATA_FIS_D2HRegister
  79 {
  80         Uint8   Type;   // = 0x34
  81         Uint8   IntResvd;       // [6]: Interrupt bit
  82         Uint8   Status;
  83         Uint8   Error;
  84         Uint8   SectorNum;
  85         Uint8   CylLow;
  86         Uint8   CylHigh;
  87         Uint8   Dev_Head;
  88         Uint8   SectorNumExp;
  89         Uint8   CylLowExp;
  90         Uint8   CylHighExp;
  91         Uint8   _resvd1[1];
  92         Uint8   SectorCount;
  93         Uint8   SectorCountExp;
  94         Uint8   _resvd[6];
  95 } PACKED;
  96 struct sSATA_FIS_SDB
  97 {
  98         Uint8   Type;   // = 0xA1
  99         Uint8   IntResvd;
 100         Uint8   Status;
 101         Uint8   Error;
 102         Uint32  _resvd[1];
 103 } PACKED;
 104
 105 #endif
 106