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 #include "ata.h"
  12
  13 enum eSATA_FIS_Types
  14 {
  15         SATA_FIS_H2DRegister = 0x27,
  16         SATA_FIS_D2HRegister = 0x34,
  17         SATA_FIS_DMASetup = 0x41,
  18         SATA_FIS_Data = 0x46,
  19         SATA_FIS_PIOSetup = 0x5F,
  20 };
  21
  22 struct sSATA_FIS_DMASetup
  23 {
  24         Uint8   Type;   // = 0x41
  25         Uint8   Flags;  // [6]: Interrupt, [5]: Direction
  26         Uint8   _resvd1[2];
  27         Uint32  DMABufIdLow;
  28         Uint32  DMABufIdHigh;
  29         Uint32  _resvd2[1];
  30         Uint32  DMABufOfs;
  31         Uint32  DMATransferCount;
  32         Uint32  _resvd[1];
  33 } PACKED;
  34 struct sSATA_FIS_Data
  35 {
  36         Uint8   Type;   // = 0x46
  37         Uint8   _resvd[3];
  38         Uint32  Data[1];
  39 } PACKED;
  40 struct sSATA_FIS_PIOSetup
  41 {
  42         Uint8   Type;   // = 0x5F
  43         Uint8   Flags;
  44         Uint8   Status;
  45         Uint8   Error;
  46         Uint8   SectorNum;
  47         Uint8   CylLow;
  48         Uint8   CylHigh;
  49         Uint8   Dev_Head;
  50         Uint8   SectorNumExp;
  51         Uint8   CylLowExp;
  52         Uint8   CylHighExp;
  53         Uint8   _resvd1[1];
  54         Uint8   SectorCount;
  55         Uint8   SectorCountExp;
  56         Uint8   _resvd2[1];
  57         Uint8   E_Status;
  58         Uint16  TransferCount;
  59         Uint8   _resvd3[2];
  60 } PACKED;
  61 struct sSATA_FIS_H2DRegister
  62 {
  63         Uint8   Type;   // = 0x27
  64         Uint8   Flags;  // [7]: Update to command register
  65         Uint8   Command;
  66         Uint8   Features;
  67         Uint8   SectorNum;
  68         Uint8   CylLow;
  69         Uint8   CylHigh;
  70         Uint8   Dev_Head;
  71         Uint8   SectorNumExp;
  72         Uint8   CylLowExp;
  73         Uint8   CylHighExp;
  74         Uint8   FeaturesExp;
  75         Uint8   SectorCount;
  76         Uint8   SectorCountExp;
  77         Uint8   _resvd1;
  78         Uint8   Control;
  79         Uint8   _resvd2[4];
  80 } PACKED;
  81 struct sSATA_FIS_D2HRegister
  82 {
  83         Uint8   Type;   // = 0x34
  84         Uint8   IntResvd;       // [6]: Interrupt bit
  85         Uint8   Status;
  86         Uint8   Error;
  87         Uint8   SectorNum;
  88         Uint8   CylLow;
  89         Uint8   CylHigh;
  90         Uint8   Dev_Head;
  91         Uint8   SectorNumExp;
  92         Uint8   CylLowExp;
  93         Uint8   CylHighExp;
  94         Uint8   _resvd1[1];
  95         Uint8   SectorCount;
  96         Uint8   SectorCountExp;
  97         Uint8   _resvd[6];
  98 } PACKED;
  99 struct sSATA_FIS_SDB
 100 {
 101         Uint8   Type;   // = 0xA1
 102         Uint8   IntResvd;
 103         Uint8   Status;
 104         Uint8   Error;
 105         Uint32  _resvd[1];
 106 } PACKED;
 107
 108 #endif
 109