AHCI.h File Reference

AHCI support. More...

#include <NeKit/Defines.h>
#include <modules/ACPI/ACPI.h>

Go to the source code of this file.

Classes
struct	FisRegH2D
struct	FisRegD2H
struct	FisData
struct	FisPioSetup
struct	FisDmaSetup
struct	FisDevBits
struct	HbaPort
	ifndef kSATAGHC_AE More...
struct	HbaMem
struct	HbaCmdHeader
union	HbaCmdHeader::HbaFlags
struct	HbaCmdHeader::HbaFlags::HbaFlags_
union	HbaFlags
struct	HbaFlags::HbaFlags_
struct	HbaFis
struct	HbaPrdtEntry
struct	HbaCmdTbl

Macros
#define	kAHCISectorSize   (512)
#define	kSATAGHC_AE   (31)
	Enable AHCI device bit in GHC register.

Typedefs
typedef struct FisRegH2D	FisRegH2D
typedef struct FisRegD2H	FisRegD2H
typedef struct FisData	FisData
typedef struct FisPioSetup	FisPioSetup
typedef struct FisDmaSetup	FisDmaSetup
typedef struct FisDevBits	FisDevBits
typedef struct HbaPort	HbaPort
	ifndef kSATAGHC_AE
typedef struct HbaMem	HbaMem
typedef HbaMem *	HbaMemRef
typedef struct HbaFis	HbaFis
typedef struct HbaPrdtEntry	HbaPrdtEntry
typedef struct HbaCmdTbl	HbaCmdTbl

Enumerations
enum	{   kFISTypeRegH2D = 0x27 , kFISTypeRegD2H = 0x34 , kFISTypeDMAAct = 0x39 , kFISTypeDMASetup = 0x41 ,   kFISTypeData = 0x46 , kFISTypeBIST = 0x58 , kFISTypePIOSetup = 0x5F , kFISTypeDevBits = 0xA1 }
	Frame information type. More...
enum	{   kAHCICmdIdentify = 0xEC , kAHCICmdReadDma = 0xC8 , kAHCICmdReadDmaEx = 0x25 , kAHCICmdWriteDma = 0xCA ,   kAHCICmdWriteDmaEx = 0x35 }

Functions
struct HbaCmdHeader	ATTRIBUTE (packed, aligned(32)) HbaCmdHeader
Kernel::Boolean	drv_std_init (Kernel::UInt16 &PortsImplemented)
	Initializes an AHCI disk.
Kernel::Boolean	drv_std_detected (Kernel::Void)
Kernel::Void	drv_std_read (Kernel::UInt64 lba, Kernel::Char *buf, Kernel::SizeT sector_sz, Kernel::SizeT buf_sz)
	Read from AHCI disk.
Kernel::Void	drv_std_write (Kernel::UInt64 lba, Kernel::Char *buf, Kernel::SizeT sector_sz, Kernel::SizeT buf_sz)
	Write to AHCI disk.
Kernel::SizeT	drv_std_get_sector_count ()
	Gets the sector count from AHCI disk.
Kernel::SizeT	drv_std_get_size ()
	Gets the AHCI disk size.
Kernel::Bool	drv_is_ready (void)
	Checks if the drive has completed the command.

Variables
union HbaFlags	HbaFlags
Kernel::UInt16	Prdtl
Kernel::UInt32	Prdbc
Kernel::UInt32	Ctba
Kernel::UInt32	Ctbau
Kernel::UInt32	Rsv [4]

Detailed Description

AHCI support.

Macro Definition Documentation

kAHCISectorSize

#define kAHCISectorSize   (512)

kSATAGHC_AE

#define kSATAGHC_AE   (31)

Enable AHCI device bit in GHC register.

Typedef Documentation

FisData

typedef struct FisData FisData

FisDevBits

typedef struct FisDevBits FisDevBits

FisDmaSetup

typedef struct FisDmaSetup FisDmaSetup

FisPioSetup

typedef struct FisPioSetup FisPioSetup

FisRegD2H

typedef struct FisRegD2H FisRegD2H

FisRegH2D

typedef struct FisRegH2D FisRegH2D

HbaCmdTbl

typedef struct HbaCmdTbl HbaCmdTbl

HbaFis

typedef struct HbaFis HbaFis

HbaMem

typedef struct HbaMem HbaMem

HbaMemRef

typedef HbaMem* HbaMemRef

HbaPort

typedef struct HbaPort HbaPort

ifndef kSATAGHC_AE

HbaPrdtEntry

typedef struct HbaPrdtEntry HbaPrdtEntry

Enumeration Type Documentation

anonymous enum

anonymous enum

Frame information type.

Enumerator
kFISTypeRegH2D
kFISTypeRegD2H
kFISTypeDMAAct
kFISTypeDMASetup
kFISTypeData
kFISTypeBIST
kFISTypePIOSetup
kFISTypeDevBits

anonymous enum

anonymous enum

Enumerator
kAHCICmdIdentify
kAHCICmdReadDma
kAHCICmdReadDmaEx
kAHCICmdWriteDma
kAHCICmdWriteDmaEx

Function Documentation

ATTRIBUTE()

struct HbaCmdHeader ATTRIBUTE	(	packed	,
		aligned(32)	)

drv_is_ready()

Kernel::Bool drv_is_ready

(

void

)

Checks if the drive has completed the command.

drv_std_detected()

Kernel::Boolean drv_std_detected

(

Kernel::Void

)

drv_std_get_sector_count()

Kernel::SizeT drv_std_get_sector_count

(

)

Gets the sector count from AHCI disk.

drv_std_get_size()

Kernel::SizeT drv_std_get_size

(

)

Gets the AHCI disk size.

drv_std_init()

Kernel::Boolean drv_std_init

(

Kernel::UInt16 &

PortsImplemented

)

Initializes an AHCI disk.

Parameters

PortsImplemented

the amount of port that have been detected.

Returns

drv_std_read()

Kernel::Void drv_std_read	(	Kernel::UInt64	lba,
		Kernel::Char *	buf,
		Kernel::SizeT	sector_sz,
		Kernel::SizeT	buf_sz )

Read from AHCI disk.

Parameters

lba
buf
sector_sz
buf_sz

Returns

drv_std_write()

Kernel::Void drv_std_write	(	Kernel::UInt64	lba,
		Kernel::Char *	buf,
		Kernel::SizeT	sector_sz,
		Kernel::SizeT	buf_sz )

Write to AHCI disk.

Parameters

lba
buf
sector_sz
buf_sz

Returns

Variable Documentation

Ctba

Kernel::UInt32 Ctba

Ctbau

Kernel::UInt32 Ctbau

HbaFlags

union HbaFlags HbaFlags

Prdbc

Kernel::UInt32 Prdbc

Prdtl

Kernel::UInt16 Prdtl

Rsv

Kernel::UInt32 Rsv[4]