KernelLand/Modules/Storage/AHCI/ahci.h

   1 /*
   2  * Acess2 Kernel - AHCI Driver
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * ahci.h
   6  * - Driver header
   7  */
   8 #ifndef _AHCI__AHCI_H_
   9 #define _AHCI__AHCI_H_
  10
  11 #include "ahci_hw.h"
  12 #include <Storage/LVM/include/lvm.h>
  13 #include <stdbool.h>
  14 #include <mutex.h>
  15 #include <semaphore.h>
  16 #include <events.h>
  17
  18 typedef struct sAHCI_Ctrlr      tAHCI_Ctrlr;
  19 typedef struct sAHCI_Port       tAHCI_Port;
  20
  21 struct sAHCI_Ctrlr
  22 {
  23          int    ID;     // Controller ID
  24
  25          int    IRQ;
  26         tPAddr  PMemBase;
  27         tAHCI_MemSpace  *MMIO;
  28
  29         bool    Supports64Bit;
  30
  31          int    NCS;
  32
  33          int    PortCount;
  34         tAHCI_Port      *Ports;
  35 };
  36
  37 struct sAHCI_Port
  38 {
  39          int    Idx;    // Hardware index
  40         tAHCI_Ctrlr     *Ctrlr;
  41         volatile struct s_port  *MMIO;
  42
  43         tMutex  lCommandSlots;
  44         Uint32  IssuedCommands;
  45         volatile struct sAHCI_CmdHdr    *CmdList;
  46         struct sAHCI_CmdTable   *CommandTables[32];
  47         tThread *CommandThreads[32];
  48         volatile struct sAHCI_RcvdFIS   *RcvdFIS;
  49
  50         tSemaphore      InterruptSem;
  51         Uint32  LastIS;
  52
  53         bool    bHotplug;
  54         bool    bPresent;
  55         bool    bATAPI;
  56
  57         void    *LVMHandle;
  58         Uint64  SectorCount;
  59 };
  60
  61 #endif
  62