Add PciBus & IdeBus

PciBus cannot build for now for some definition missing.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2852 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
2007-06-28 14:02:17 +00:00
parent 83f6d1a03b
commit ead42efc6b
44 changed files with 32023 additions and 1 deletions

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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "idebus.h"
//
// EFI Component Name Protocol
//
EFI_COMPONENT_NAME_PROTOCOL gIDEBusComponentName = {
IDEBusComponentNameGetDriverName,
IDEBusComponentNameGetControllerName,
"eng"
};
STATIC EFI_UNICODE_STRING_TABLE mIDEBusDriverNameTable[] = {
{ "eng", (CHAR16 *) L"PCI IDE/ATAPI Bus Driver" },
{ NULL , NULL }
};
STATIC EFI_UNICODE_STRING_TABLE mIDEBusControllerNameTable[] = {
{ "eng", (CHAR16 *) L"PCI IDE/ATAPI Controller" },
{ NULL , NULL }
};
/**
Retrieves a Unicode string that is the user readable name of the EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language A pointer to a three character ISO 639-2 language identifier.
This is the language of the driver name that that the caller
is requesting, and it must match one of the languages specified
in SupportedLanguages. The number of languages supported by a
driver is up to the driver writer.
@param DriverName A pointer to the Unicode string to return. This Unicode string
is the name of the driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by This
and the language specified by Language was returned
in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
**/
EFI_STATUS
EFIAPI
IDEBusComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString (
Language,
gIDEBusComponentName.SupportedLanguages,
mIDEBusDriverNameTable,
DriverName
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by an EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle The handle of a controller that the driver specified by
This is managing. This handle specifies the controller
whose name is to be returned.
@param ChildHandle The handle of the child controller to retrieve the name
of. This is an optional parameter that may be NULL. It
will be NULL for device drivers. It will also be NULL
for a bus drivers that wish to retrieve the name of the
bus controller. It will not be NULL for a bus driver
that wishes to retrieve the name of a child controller.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language of the controller name
that that the caller is requesting, and it must match one
of the languages specified in SupportedLanguages. The
number of languages supported by a driver is up to the
driver writer.
@param ControllerName A pointer to the Unicode string to return. This Unicode
string is the name of the controller specified by
ControllerHandle and ChildHandle in the language
specified by Language from the point of view of the
driver specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in the
language specified by Language for the driver
specified by This was returned in DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
**/
EFI_STATUS
EFIAPI
IDEBusComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
IDE_BLK_IO_DEV *IdeBlkIoDevice;
//
// Make sure this driver is currently managing ControllHandle
//
Status = EfiTestManagedDevice (
ControllerHandle,
gIDEBusDriverBinding.DriverBindingHandle,
&gEfiIdeControllerInitProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
if (ChildHandle == NULL) {
return LookupUnicodeString (
Language,
gIDEBusComponentName.SupportedLanguages,
mIDEBusControllerNameTable,
ControllerName
);
}
Status = EfiTestChildHandle (
ControllerHandle,
ChildHandle,
&gEfiPciIoProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get the child context
//
Status = gBS->OpenProtocol (
ChildHandle,
&gEfiBlockIoProtocolGuid,
(VOID **) &BlockIo,
gIDEBusDriverBinding.DriverBindingHandle,
ChildHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlockIo);
return LookupUnicodeString (
Language,
gIDEBusComponentName.SupportedLanguages,
IdeBlkIoDevice->ControllerNameTable,
ControllerName
);
}
/**
Add the component name for the IDE/ATAPI device
@param IdeBlkIoDevicePtr A pointer to the IDE_BLK_IO_DEV instance.
**/
VOID
AddName (
IN IDE_BLK_IO_DEV *IdeBlkIoDevicePtr
)
{
UINTN StringIndex;
CHAR16 ModelName[41];
//
// Add Component Name for the IDE/ATAPI device that was discovered.
//
IdeBlkIoDevicePtr->ControllerNameTable = NULL;
for (StringIndex = 0; StringIndex < 41; StringIndex++) {
ModelName[StringIndex] = IdeBlkIoDevicePtr->ModelName[StringIndex];
}
AddUnicodeString (
"eng",
gIDEBusComponentName.SupportedLanguages,
&IdeBlkIoDevicePtr->ControllerNameTable,
ModelName
);
}

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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _IDE_BUS_COMPONENT_NAME_H
#define _IDE_BUS_COMPONENT_NAME_H
#define ADD_NAME(x) AddName ((x));
extern EFI_COMPONENT_NAME_PROTOCOL gIDEBusComponentName;
//
// EFI Component Name Functions
//
/**
TODO: Add function description
@param This TODO: add argument description
@param Language TODO: add argument description
@param DriverName TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBusComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param ControllerHandle TODO: add argument description
@param ChildHandle TODO: add argument description
@param Language TODO: add argument description
@param ControllerName TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBusComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
;
/**
TODO: Add function description
@param IdeBlkIoDevicePtr TODO: add argument description
TODO: add return values
**/
VOID
AddName (
IN IDE_BLK_IO_DEV *IdeBlkIoDevicePtr
)
;
#endif

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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "idebus.h"
CHAR16 *OptionString[4] = {
L"Enable Primary Master (Y/N)? -->",
L"Enable Primary Slave (Y/N)? -->",
L"Enable Secondary Master (Y/N)? -->",
L"Enable Secondary Slave (Y/N)? -->"
};
//
// EFI Driver Configuration Protocol
//
EFI_DRIVER_CONFIGURATION_PROTOCOL gIDEBusDriverConfiguration = {
IDEBusDriverConfigurationSetOptions,
IDEBusDriverConfigurationOptionsValid,
IDEBusDriverConfigurationForceDefaults,
"eng"
};
/**
TODO: Add function description
@retval EFI_ABORTED TODO: Add description for return value
@retval EFI_SUCCESS TODO: Add description for return value
@retval EFI_NOT_FOUND TODO: Add description for return value
**/
STATIC
EFI_STATUS
GetResponse (
VOID
)
{
EFI_STATUS Status;
EFI_INPUT_KEY Key;
while (TRUE) {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
if (!EFI_ERROR (Status)) {
if (Key.ScanCode == SCAN_ESC) {
return EFI_ABORTED;
}
switch (Key.UnicodeChar) {
//
// fall through
//
case L'y':
case L'Y':
gST->ConOut->OutputString (gST->ConOut, L"Y\n");
return EFI_SUCCESS;
//
// fall through
//
case L'n':
case L'N':
gST->ConOut->OutputString (gST->ConOut, L"N\n");
return EFI_NOT_FOUND;
}
}
}
}
/**
Allows the user to set controller specific options for a controller that a
driver is currently managing.
@param This A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL
instance.
@param ControllerHandle The handle of the controller to set options on.
@param ChildHandle The handle of the child controller to set options on.
This is an optional parameter that may be NULL.
It will be NULL for device drivers, and for a bus drivers
that wish to set options for the bus controller.
It will not be NULL for a bus driver that wishes to set
options for one of its child controllers.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language of the user interface
that should be presented to the user, and it must match
one of the languages specified in SupportedLanguages.
The number of languages supported by a driver is up to
the driver writer.
@param ActionRequired A pointer to the action that the calling agent is
required to perform when this function returns.
See "Related Definitions" for a list of the actions that
the calling agent is required to perform prior to
accessing ControllerHandle again.
@retval EFI_SUCCESS The driver specified by This successfully set the
configuration options for the controller specified
by ControllerHandle..
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ActionRequired is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
setting configuration options for the controller
specified by ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
@retval EFI_DEVICE_ERROR A device error occurred while attempt to set the
configuration options for the controller specified
by ControllerHandle and ChildHandle.
@retval EFI_OUT_RESOURCES There are not enough resources available to set the
configuration options for the controller specified
by ControllerHandle and ChildHandle.
**/
EFI_STATUS
IDEBusDriverConfigurationSetOptions (
IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
)
{
EFI_STATUS Status;
UINT8 Value;
UINT8 NewValue;
UINTN DataSize;
UINTN Index;
if (ChildHandle != NULL) {
return EFI_UNSUPPORTED;
}
*ActionRequired = EfiDriverConfigurationActionNone;
DataSize = sizeof (Value);
Status = gRT->GetVariable (
L"Configuration",
&gEfiCallerIdGuid,
NULL,
&DataSize,
&Value
);
gST->ConOut->OutputString (gST->ConOut, L"IDE Bus Driver Configuration\n");
gST->ConOut->OutputString (gST->ConOut, L"===============================\n");
NewValue = 0;
for (Index = 0; Index < 4; Index++) {
gST->ConOut->OutputString (gST->ConOut, OptionString[Index]);
Status = GetResponse ();
if (Status == EFI_ABORTED) {
return EFI_SUCCESS;
}
if (!EFI_ERROR (Status)) {
NewValue = (UINT8) (NewValue | (1 << Index));
}
}
if (EFI_ERROR (Status) || (NewValue != Value)) {
gRT->SetVariable (
L"Configuration",
&gEfiCallerIdGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof (NewValue),
&NewValue
);
*ActionRequired = EfiDriverConfigurationActionRestartController;
} else {
*ActionRequired = EfiDriverConfigurationActionNone;
}
return EFI_SUCCESS;
}
/**
Tests to see if a controller's current configuration options are valid.
@param This A pointer to the EFI_DRIVER_CONFIGURATION_PROTOCOL
instance.
@param ControllerHandle The handle of the controller to test if it's current
configuration options are valid.
@param ChildHandle The handle of the child controller to test if it's
current
configuration options are valid. This is an optional
parameter that may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers that
wish to test the configuration options for the bus
controller. It will not be NULL for a bus driver that
wishes to test configuration options for one of
its child controllers.
@retval EFI_SUCCESS The controller specified by ControllerHandle and
ChildHandle that is being managed by the driver
specified by This has a valid set of configuration
options.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and
ChildHandle that is being managed by the driver
specified by This has an invalid set of
configuration options.
**/
EFI_STATUS
IDEBusDriverConfigurationOptionsValid (
IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL
)
{
EFI_STATUS Status;
UINT8 Value;
UINTN DataSize;
if (ChildHandle != NULL) {
return EFI_UNSUPPORTED;
}
DataSize = sizeof (Value);
Status = gRT->GetVariable (
L"Configuration",
&gEfiCallerIdGuid,
NULL,
&DataSize,
&Value
);
if (EFI_ERROR (Status) || Value > 0x0f) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
/**
Forces a driver to set the default configuration options for a controller.
@param This A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL
instance.
@param ControllerHandle The handle of the controller to force default
configuration options on.
@param ChildHandle The handle of the child controller to force default
configuration options on This is an optional parameter
that may be NULL. It will be NULL for device drivers.
It will also be NULL for a bus drivers that wish to
force default configuration options for the bus
controller. It will not be NULL for a bus driver that
wishes to force default configuration options for one
of its child controllers.
@param DefaultType The type of default configuration options to force on
the controller specified by ControllerHandle and
ChildHandle. See Table 9-1 for legal values.
A DefaultType of 0x00000000 must be supported
by this protocol.
@param ActionRequired A pointer to the action that the calling agent
is required to perform when this function returns.
@retval EFI_SUCCESS The driver specified by This successfully forced
the default configuration options on the
controller specified by ControllerHandle and
ChildHandle.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ActionRequired is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
forcing the default configuration options on
the controller specified by ControllerHandle
and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the configuration type specified by DefaultType.
@retval EFI_DEVICE_ERROR A device error occurred while attempt to force
the default configuration options on the controller
specified by ControllerHandle and ChildHandle.
@retval EFI_OUT_RESOURCES There are not enough resources available to force
the default configuration options on the controller
specified by ControllerHandle and ChildHandle.
**/
EFI_STATUS
IDEBusDriverConfigurationForceDefaults (
IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN UINT32 DefaultType,
OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
)
{
UINT8 Value;
if (ChildHandle != NULL) {
return EFI_UNSUPPORTED;
}
Value = 0x0f;
gRT->SetVariable (
L"Configuration",
&gEfiCallerIdGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof (Value),
&Value
);
*ActionRequired = EfiDriverConfigurationActionRestartController;
return EFI_SUCCESS;
}

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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "idebus.h"
#define IDE_BUS_DIAGNOSTIC_ERROR L"PCI IDE/ATAPI Driver Diagnostics Failed"
//
// EFI Driver Diagnostics Protocol
//
EFI_DRIVER_DIAGNOSTICS_PROTOCOL gIDEBusDriverDiagnostics = {
IDEBusDriverDiagnosticsRunDiagnostics,
"eng"
};
/**
Runs diagnostics on a controller.
@param This A pointer to the EFI_DRIVER_DIAGNOSTICS_PROTOCOL
instance.
@param ControllerHandle The handle of the controller to run diagnostics on.
@param ChildHandle The handle of the child controller to run diagnostics on
This is an optional parameter that may be NULL. It will
be NULL for device drivers. It will also be NULL for a
bus drivers that wish to run diagnostics on the bus
controller. It will not be NULL for a bus driver that
wishes to run diagnostics on one of its child
controllers.
@param DiagnosticType Indicates type of diagnostics to perform on the
controller specified by ControllerHandle and ChildHandle.
See "Related Definitions" for the list of supported
types.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language in which the optional
error message should be returned in Buffer, and it must
match one of the languages specified in
SupportedLanguages. The number of languages supported by
a driver is up to the driver writer.
@param ErrorType A GUID that defines the format of the data returned in
Buffer.
@param BufferSize The size, in bytes, of the data returned in Buffer.
@param Buffer A buffer that contains a Null-terminated Unicode string
plus some additional data whose format is defined by
ErrorType. Buffer is allocated by this function with
AllocatePool(), and it is the caller's responsibility
to free it with a call to FreePool().
@retval EFI_SUCCESS The controller specified by ControllerHandle and
ChildHandle passed the diagnostic.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ErrorType is NULL.
@retval EFI_INVALID_PARAMETER BufferType is NULL.
@retval EFI_INVALID_PARAMETER Buffer is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
running diagnostics for the controller specified
by ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
type of diagnostic specified by DiagnosticType.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to complete
the diagnostics.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to return
the status information in ErrorType, BufferSize,
and Buffer.
@retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and
ChildHandle did not pass the diagnostic.
**/
EFI_STATUS
IDEBusDriverDiagnosticsRunDiagnostics (
IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
IN CHAR8 *Language,
OUT EFI_GUID **ErrorType,
OUT UINTN *BufferSize,
OUT CHAR16 **Buffer
)
{
EFI_STATUS Status;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_BLOCK_IO_PROTOCOL *BlkIo;
IDE_BLK_IO_DEV *IdeBlkIoDevice;
UINT32 VendorDeviceId;
VOID *BlockBuffer;
*ErrorType = NULL;
*BufferSize = 0;
if (ChildHandle == NULL) {
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiCallerIdGuid,
NULL,
gIDEBusDriverBinding.DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
gIDEBusDriverBinding.DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
//
// Use services of PCI I/O Protocol to test the PCI IDE/ATAPI Controller
// The following test simply reads the Device ID and Vendor ID.
// It should never fail. A real test would perform more advanced
// diagnostics.
//
Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0, 1, &VendorDeviceId);
if (EFI_ERROR (Status) || VendorDeviceId == 0xffffffff) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
Status = gBS->OpenProtocol (
ChildHandle,
&gEfiBlockIoProtocolGuid,
(VOID **) &BlkIo,
gIDEBusDriverBinding.DriverBindingHandle,
ChildHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);
//
// Use services available from IdeBlkIoDevice to test the IDE/ATAPI device
//
Status = gBS->AllocatePool (
EfiBootServicesData,
IdeBlkIoDevice->BlkMedia.BlockSize,
(VOID **) &BlockBuffer
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = IdeBlkIoDevice->BlkIo.ReadBlocks (
&IdeBlkIoDevice->BlkIo,
IdeBlkIoDevice->BlkMedia.MediaId,
0,
IdeBlkIoDevice->BlkMedia.BlockSize,
BlockBuffer
);
if (EFI_ERROR (Status)) {
*ErrorType = &gEfiCallerIdGuid;
*BufferSize = sizeof (IDE_BUS_DIAGNOSTIC_ERROR);
Status = gBS->AllocatePool (
EfiBootServicesData,
(UINTN) (*BufferSize),
(VOID **) Buffer
);
if (EFI_ERROR (Status)) {
return Status;
}
CopyMem (*Buffer, IDE_BUS_DIAGNOSTIC_ERROR, *BufferSize);
Status = EFI_DEVICE_ERROR;
}
gBS->FreePool (BlockBuffer);
return Status;
}

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/** @file
Header file for IDE Bus Driver.
Copyright (c) 2006 - 2007 Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _IDE_BUS_H
#define _IDE_BUS_H
//
// The package level header files this module uses
//
#include <PiDxe.h>
#include <Common/FrameworkStatusCode.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Protocol/IdeControllerInit.h>
#include <Protocol/BlockIo.h>
#include <Protocol/PciIo.h>
#include <Protocol/DiskInfo.h>
#include <Protocol/DevicePath.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PerformanceLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <IndustryStandard/pci22.h>
#include "idedata.h"
//
// Extra Definition to porting
//
#define EFI_MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX_IDE_DEVICE 4
#define MAX_IDE_CHANNELS 2
#define MAX_IDE_DRIVES 2
#define INVALID_DEVICE_TYPE 0xff
#define ATA_DEVICE_TYPE 0x00
#define ATAPI_DEVICE_TYPE 0x01
typedef struct {
BOOLEAN HaveScannedDevice[MAX_IDE_DEVICE];
BOOLEAN DeviceFound[MAX_IDE_DEVICE];
BOOLEAN DeviceProcessed[MAX_IDE_DEVICE];
} IDE_BUS_DRIVER_PRIVATE_DATA;
#define IDE_BLK_IO_DEV_SIGNATURE EFI_SIGNATURE_32 ('i', 'b', 'i', 'd')
typedef struct {
UINT32 Signature;
EFI_HANDLE Handle;
EFI_BLOCK_IO_PROTOCOL BlkIo;
EFI_BLOCK_IO_MEDIA BlkMedia;
EFI_DISK_INFO_PROTOCOL DiskInfo;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_PCI_IO_PROTOCOL *PciIo;
IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;
//
// Local Data for IDE interface goes here
//
EFI_IDE_CHANNEL Channel;
EFI_IDE_DEVICE Device;
UINT16 Lun;
IDE_DEVICE_TYPE Type;
IDE_BASE_REGISTERS *IoPort;
UINT16 AtapiError;
INQUIRY_DATA *pInquiryData;
EFI_IDENTIFY_DATA *pIdData;
ATA_PIO_MODE PioMode;
EFI_ATA_MODE UdmaMode;
CHAR8 ModelName[41];
REQUEST_SENSE_DATA *SenseData;
UINT8 SenseDataNumber;
UINT8 *Cache;
//
// ExitBootService Event, it is used to clear pending IDE interrupt
//
EFI_EVENT ExitBootServiceEvent;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
} IDE_BLK_IO_DEV;
#include "ComponentName.h"
#define IDE_BLOCK_IO_DEV_FROM_THIS(a) CR (a, IDE_BLK_IO_DEV, BlkIo, IDE_BLK_IO_DEV_SIGNATURE)
#define IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS(a) CR (a, IDE_BLK_IO_DEV, DiskInfo, IDE_BLK_IO_DEV_SIGNATURE)
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gIDEBusDriverBinding;
#include "ide.h"
//
// Prototypes
// Driver model protocol interface
//
/**
TODO: Add function description
@param ImageHandle TODO: add argument description
@param SystemTable TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBusControllerDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param RemainingDevicePath TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBusDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param RemainingDevicePath TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBusDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param NumberOfChildren TODO: add argument description
@param ChildHandleBuffer TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBusDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
;
//
// EFI Driver Configuration Functions
//
EFI_STATUS
IDEBusDriverConfigurationSetOptions (
IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
);
EFI_STATUS
IDEBusDriverConfigurationOptionsValid (
IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL
);
EFI_STATUS
IDEBusDriverConfigurationForceDefaults (
IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN UINT32 DefaultType,
OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
);
//
// EFI Driver Diagnostics Functions
//
EFI_STATUS
IDEBusDriverDiagnosticsRunDiagnostics (
IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
IN CHAR8 *Language,
OUT EFI_GUID **ErrorType,
OUT UINTN *BufferSize,
OUT CHAR16 **Buffer
);
//
// Block I/O Protocol Interface
//
/**
TODO: Add function description
@param This TODO: add argument description
@param ExtendedVerification TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBlkIoReset (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param MediaId TODO: add argument description
@param LBA TODO: add argument description
@param BufferSize TODO: add argument description
@param Buffer TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBlkIoReadBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA LBA,
IN UINTN BufferSize,
OUT VOID *Buffer
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param MediaId TODO: add argument description
@param LBA TODO: add argument description
@param BufferSize TODO: add argument description
@param Buffer TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBlkIoWriteBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA LBA,
IN UINTN BufferSize,
IN VOID *Buffer
)
;
/**
TODO: Add function description
@param This TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEBlkIoFlushBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This
)
;
/**
TODO: Add function description
@param PciIo TODO: add argument description
@param Enable TODO: add argument description
TODO: add return values
**/
EFI_STATUS
IDERegisterDecodeEnableorDisable (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN BOOLEAN Enable
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param InquiryData TODO: add argument description
@param IntquiryDataSize TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEDiskInfoInquiry (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *InquiryData,
IN OUT UINT32 *IntquiryDataSize
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param IdentifyData TODO: add argument description
@param IdentifyDataSize TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEDiskInfoIdentify (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *IdentifyData,
IN OUT UINT32 *IdentifyDataSize
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param SenseData TODO: add argument description
@param SenseDataSize TODO: add argument description
@param SenseDataNumber TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEDiskInfoSenseData (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *SenseData,
IN OUT UINT32 *SenseDataSize,
OUT UINT8 *SenseDataNumber
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param IdeChannel TODO: add argument description
@param IdeDevice TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
IDEDiskInfoWhichIde (
IN EFI_DISK_INFO_PROTOCOL *This,
OUT UINT32 *IdeChannel,
OUT UINT32 *IdeDevice
)
;
#endif

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@@ -0,0 +1,135 @@
#/** @file
# Component description file for PS2 keyboard module.
#
# IDE bus driver. This driver will enumerate IDE device and export the blockIo
# protocol for every device.
# Copyright (c) 2006 - 2007, Intel Corporation
#
# All rights reserved. This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#
#**/
################################################################################
#
# Defines Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = IdeBus
FILE_GUID = 69FD8E47-A161-4550-B01A-5594CEB2B2B2
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
ENTRY_POINT = InitializeIdeBus
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
# DRIVER_BINDING = gIDEBusDriverBinding
# COMPONENT_NAME = gIDEBusComponentName
# Variable Guid C Name: gConfigurationGuid Variable Name: L"Configuration"
#
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources.common]
DriverDiagnostics.c
DriverConfiguration.c
ComponentName.h
ComponentName.c
atapi.c
ata.c
ide.c
idebus.c
idedata.h
ide.h
idebus.h
################################################################################
#
# Includes Section - list of Include locations that are required for
# this module.
#
################################################################################
[Includes]
$(WORKSPACE)/MdePkg/Include
$(WORKSPACE)/MdeModulePkg/Include
$(WORKSPACE)/IntelFrameworkPkg/Include
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec
################################################################################
#
# Library Class Section - list of Library Classes that are required for
# this module.
#
################################################################################
[LibraryClasses]
DevicePathLib
UefiRuntimeServicesTableLib
UefiBootServicesTableLib
PerformanceLib
MemoryAllocationLib
ReportStatusCodeLib
BaseMemoryLib
UefiLib
BaseLib
UefiDriverEntryPoint
DebugLib
################################################################################
#
# Guid C Name Section - list of Guids that this module uses or produces.
#
################################################################################
[Guids]
gEfiDiskInfoIdeInterfaceGuid # SOMETIMES_CONSUMED
################################################################################
#
# Protocol C Name Section - list of Protocol and Protocol Notify C Names
# that this module uses or produces.
#
################################################################################
[Protocols]
gEfiDiskInfoProtocolGuid # PROTOCOL BY_START
gEfiBlockIoProtocolGuid # PROTOCOL BY_START
gEfiIdeControllerInitProtocolGuid # PROTOCOL TO_START
gEfiPciIoProtocolGuid # PROTOCOL TO_START
gEfiDevicePathProtocolGuid # PROTOCOL TO_START

View File

@@ -0,0 +1,114 @@
<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>IdeBus</ModuleName>
<ModuleType>DXE_DRIVER</ModuleType>
<GuidValue>69FD8E47-A161-4550-B01A-5594CEB2B2B2</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for PS2 keyboard module.</Abstract>
<Description>IDE bus driver. This driver will enumerate IDE device and export the blockIo
protocol for every device.</Description>
<Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
<License>All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>IdeBus</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiDriverEntryPoint</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseMemoryLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>ReportStatusCodeLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>MemoryAllocationLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PerformanceLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiRuntimeServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DevicePathLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>idebus.h</Filename>
<Filename>ide.h</Filename>
<Filename>idedata.h</Filename>
<Filename>idebus.c</Filename>
<Filename>ide.c</Filename>
<Filename>ata.c</Filename>
<Filename>atapi.c</Filename>
<Filename>ComponentName.c</Filename>
<Filename>ComponentName.h</Filename>
<Filename>DriverConfiguration.c</Filename>
<Filename>DriverDiagnostics.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="1E73767F-8F52-4603-AEB4-F29B510B6766"/>
<Package PackageGuid="2759ded5-bb57-4b06-af4f-c398fa552719"/>
<Package PackageGuid="BA0D78D6-2CAF-414b-BD4D-B6762A894288"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="TO_START">
<ProtocolCName>gEfiDevicePathProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="TO_START">
<ProtocolCName>gEfiPciIoProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="TO_START">
<ProtocolCName>gEfiIdeControllerInitProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="BY_START">
<ProtocolCName>gEfiBlockIoProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="BY_START">
<ProtocolCName>gEfiDiskInfoProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<Variables>
<Variable Usage="ALWAYS_CONSUMED">
<VariableName>0x0043 0x006F 0x006E 0x0066 0x0069 0x0067 0x0075 0x0072 0x0061 0x0074 0x0069 0x006F 0x006E</VariableName>
<GuidC_Name>gConfigurationGuid</GuidC_Name>
</Variable>
</Variables>
<Guids>
<GuidCNames Usage="SOMETIMES_CONSUMED">
<GuidCName>gEfiDiskInfoIdeInterfaceGuid</GuidCName>
</GuidCNames>
</Guids>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<DriverBinding>gIDEBusDriverBinding</DriverBinding>
<ComponentName>gIDEBusComponentName</ComponentName>
</Extern>
</Externs>
</ModuleSurfaceArea>

View File

@@ -0,0 +1,893 @@
/** @file
Header file for IDE Bus Driver's Data Structures
Copyright (c) 2006 - 2007 Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _IDE_DATA_H
#define _IDE_DATA_H
//
// bit definition
//
#define bit0 (1 << 0)
#define bit1 (1 << 1)
#define bit2 (1 << 2)
#define bit3 (1 << 3)
#define bit4 (1 << 4)
#define bit5 (1 << 5)
#define bit6 (1 << 6)
#define bit7 (1 << 7)
#define bit8 (1 << 8)
#define bit9 (1 << 9)
#define bit10 (1 << 10)
#define bit11 (1 << 11)
#define bit12 (1 << 12)
#define bit13 (1 << 13)
#define bit14 (1 << 14)
#define bit15 (1 << 15)
#define bit16 (1 << 16)
#define bit17 (1 << 17)
#define bit18 (1 << 18)
#define bit19 (1 << 19)
#define bit20 (1 << 20)
#define bit21 (1 << 21)
#define bit22 (1 << 22)
#define bit23 (1 << 23)
#define bit24 (1 << 24)
#define bit25 (1 << 25)
#define bit26 (1 << 26)
#define bit27 (1 << 27)
#define bit28 (1 << 28)
#define bit29 (1 << 29)
#define bit30 (1 << 30)
#define bit31 (1 << 31)
//
// common constants
//
#define STALL_1_MILLI_SECOND 1000 // stall 1 ms
#define STALL_1_SECOND 1000000 // stall 1 second
typedef enum {
IdePrimary = 0,
IdeSecondary = 1,
IdeMaxChannel = 2
} EFI_IDE_CHANNEL;
typedef enum {
IdeMaster = 0,
IdeSlave = 1,
IdeMaxDevice = 2
} EFI_IDE_DEVICE;
typedef enum {
IdeMagnetic, /* ZIP Drive or LS120 Floppy Drive */
IdeCdRom, /* ATAPI CDROM */
IdeHardDisk, /* Hard Disk */
Ide48bitAddressingHardDisk, /* Hard Disk larger than 120GB */
IdeUnknown
} IDE_DEVICE_TYPE;
typedef enum {
SenseNoSenseKey,
SenseDeviceNotReadyNoRetry,
SenseDeviceNotReadyNeedRetry,
SenseNoMedia,
SenseMediaChange,
SenseMediaError,
SenseOtherSense
} SENSE_RESULT;
typedef enum {
AtaUdmaReadOp,
AtaUdmaReadExtOp,
AtaUdmaWriteOp,
AtaUdmaWriteExtOp
} ATA_UDMA_OPERATION;
//
// IDE Registers
//
typedef union {
UINT16 Command; /* when write */
UINT16 Status; /* when read */
} IDE_CMD_OR_STATUS;
typedef union {
UINT16 Error; /* when read */
UINT16 Feature; /* when write */
} IDE_ERROR_OR_FEATURE;
typedef union {
UINT16 AltStatus; /* when read */
UINT16 DeviceControl; /* when write */
} IDE_AltStatus_OR_DeviceControl;
//
// IDE registers set
//
typedef struct {
UINT16 Data;
IDE_ERROR_OR_FEATURE Reg1;
UINT16 SectorCount;
UINT16 SectorNumber;
UINT16 CylinderLsb;
UINT16 CylinderMsb;
UINT16 Head;
IDE_CMD_OR_STATUS Reg;
IDE_AltStatus_OR_DeviceControl Alt;
UINT16 DriveAddress;
UINT16 MasterSlave;
UINT16 BusMasterBaseAddr;
} IDE_BASE_REGISTERS;
//
// IDE registers' base addresses
//
typedef struct {
UINT16 CommandBlockBaseAddr;
UINT16 ControlBlockBaseAddr;
UINT16 BusMasterBaseAddr;
} IDE_REGISTERS_BASE_ADDR;
//
// Bit definitions in Programming Interface byte of the Class Code field
// in PCI IDE controller's Configuration Space
//
#define IDE_PRIMARY_OPERATING_MODE bit0
#define IDE_PRIMARY_PROGRAMMABLE_INDICATOR bit1
#define IDE_SECONDARY_OPERATING_MODE bit2
#define IDE_SECONDARY_PROGRAMMABLE_INDICATOR bit3
//
// IDE registers bit definitions
//
//
// Err Reg
//
#define BBK_ERR bit7 /* Bad block detected */
#define UNC_ERR bit6 /* Uncorrectable Data */
#define MC_ERR bit5 /* Media Change */
#define IDNF_ERR bit4 /* ID Not Found */
#define MCR_ERR bit3 /* Media Change Requested */
#define ABRT_ERR bit2 /* Aborted Command */
#define TK0NF_ERR bit1 /* Track 0 Not Found */
#define AMNF_ERR bit0 /* Address Mark Not Found */
//
// Device/Head Reg
//
#define LBA_MODE bit6
#define DEV bit4
#define HS3 bit3
#define HS2 bit2
#define HS1 bit1
#define HS0 bit0
#define CHS_MODE (0)
#define DRV0 (0)
#define DRV1 (1)
#define MST_DRV DRV0
#define SLV_DRV DRV1
//
// Status Reg
//
#define BSY bit7 /* Controller Busy */
#define DRDY bit6 /* Drive Ready */
#define DWF bit5 /* Drive Write Fault */
#define DSC bit4 /* Disk Seek Complete */
#define DRQ bit3 /* Data Request */
#define CORR bit2 /* Corrected Data */
#define IDX bit1 /* Index */
#define ERR bit0 /* Error */
//
// Device Control Reg
//
#define SRST bit2 /* Software Reset */
#define IEN_L bit1 /* Interrupt Enable #*/
//
// Bus Master Reg
//
#define BMIC_nREAD bit3
#define BMIC_START bit0
#define BMIS_INTERRUPT bit2
#define BMIS_ERROR bit1
#define BMICP_OFFSET 0x00
#define BMISP_OFFSET 0x02
#define BMIDP_OFFSET 0x04
#define BMICS_OFFSET 0x08
#define BMISS_OFFSET 0x0A
#define BMIDS_OFFSET 0x0C
//
// Time Out Value For IDE Device Polling
//
//
// ATATIMEOUT is used for waiting time out for ATA device
//
//
// 1 second
//
#define ATATIMEOUT 1000
//
// ATAPITIMEOUT is used for waiting operation
// except read and write time out for ATAPI device
//
//
// 1 second
//
#define ATAPITIMEOUT 1000
//
// ATAPILONGTIMEOUT is used for waiting read and
// write operation timeout for ATAPI device
//
//
// 2 seconds
//
#define CDROMLONGTIMEOUT 2000
//
// 5 seconds
//
#define ATAPILONGTIMEOUT 5000
//
// 10 seconds
//
#define ATASMARTTIMEOUT 10000
//
// ATA Commands Code
//
#define ATA_INITIALIZE_DEVICE 0x91
//
// Class 1
//
#define IDENTIFY_DRIVE_CMD 0xec
#define READ_BUFFER_CMD 0xe4
#define READ_SECTORS_CMD 0x20
#define READ_SECTORS_WITH_RETRY_CMD 0x21
#define READ_LONG_CMD 0x22
#define READ_LONG_WITH_RETRY_CMD 0x23
//
// Class 1 - Atapi6 enhanced commands
//
#define READ_SECTORS_EXT_CMD 0x24
//
// Class 2
//
#define FORMAT_TRACK_CMD 0x50
#define WRITE_BUFFER_CMD 0xe8
#define WRITE_SECTORS_CMD 0x30
#define WRITE_SECTORS_WITH_RETRY_CMD 0x31
#define WRITE_LONG_CMD 0x32
#define WRITE_LONG_WITH_RETRY_CMD 0x33
#define WRITE_VERIFY_CMD 0x3c
//
// Class 2 - Atapi6 enhanced commands
//
#define WRITE_SECTORS_EXT_CMD 0x34
//
// Class 3
//
#define ACK_MEDIA_CHANGE_CMD 0xdb
#define BOOT_POST_BOOT_CMD 0xdc
#define BOOT_PRE_BOOT_CMD 0xdd
#define CHECK_POWER_MODE_CMD 0x98
#define CHECK_POWER_MODE_CMD_ALIAS 0xe5
#define DOOR_LOCK_CMD 0xde
#define DOOR_UNLOCK_CMD 0xdf
#define EXEC_DRIVE_DIAG_CMD 0x90
#define IDLE_CMD_ALIAS 0x97
#define IDLE_CMD 0xe3
#define IDLE_IMMEDIATE_CMD 0x95
#define IDLE_IMMEDIATE_CMD_ALIAS 0xe1
#define INIT_DRIVE_PARAM_CMD 0x91
#define RECALIBRATE_CMD 0x10 /* aliased to 1x */
#define READ_DRIVE_STATE_CMD 0xe9
#define SET_MULTIPLE_MODE_CMD 0xC6
#define READ_DRIVE_STATE_CMD 0xe9
#define READ_VERIFY_CMD 0x40
#define READ_VERIFY_WITH_RETRY_CMD 0x41
#define SEEK_CMD 0x70 /* aliased to 7x */
#define SET_FEATURES_CMD 0xef
#define STANDBY_CMD 0x96
#define STANDBY_CMD_ALIAS 0xe2
#define STANDBY_IMMEDIATE_CMD 0x94
#define STANDBY_IMMEDIATE_CMD_ALIAS 0xe0
//
// Class 4
//
#define READ_DMA_CMD 0xc8
#define READ_DMA_WITH_RETRY_CMD 0xc9
#define READ_DMA_EXT_CMD 0x25
#define WRITE_DMA_CMD 0xca
#define WRITE_DMA_WITH_RETRY_CMD 0xcb
#define WRITE_DMA_EXT_CMD 0x35
//
// Class 5
//
#define READ_MULTIPLE_CMD 0xc4
#define REST_CMD 0xe7
#define RESTORE_DRIVE_STATE_CMD 0xea
#define SET_SLEEP_MODE_CMD 0x99
#define SET_SLEEP_MODE_CMD_ALIAS 0xe6
#define WRITE_MULTIPLE_CMD 0xc5
#define WRITE_SAME_CMD 0xe9
//
// Class 6 - Host protected area access feature set
//
#define READ_NATIVE_MAX_ADDRESS_CMD 0xf8
#define SET_MAX_ADDRESS_CMD 0xf9
//
// Class 6 - ATA/ATAPI-6 enhanced commands
//
#define READ_NATIVE_MAX_ADDRESS_EXT_CMD 0x27
#define SET_MAX_ADDRESS_CMD_EXT 0x37
//
// Class 6 - SET_MAX related sub command (in feature register)
//
#define PARTIES_SET_MAX_ADDRESS_SUB_CMD 0x00
#define PARTIES_SET_PASSWORD_SUB_CMD 0x01
#define PARTIES_LOCK_SUB_CMD 0x02
#define PARTIES_UNLOCK_SUB_CMD 0x03
#define PARTIES_FREEZE_SUB_CMD 0x04
//
// S.M.A.R.T
//
#define ATA_SMART_CMD 0xb0
#define ATA_CONSTANT_C2 0xc2
#define ATA_CONSTANT_4F 0x4f
#define ATA_SMART_ENABLE_OPERATION 0xd8
#define ATA_SMART_RETURN_STATUS 0xda
//
// Error codes for Exec Drive Diag
//
#define DRIV_DIAG_NO_ERROR (0x01)
#define DRIV_DIAG_FORMATTER_ERROR (0x02)
#define DRIV_DIAG_DATA_BUFFER_ERROR (0x03)
#define DRIV_DIAG_ECC_CKT_ERRROR (0x04)
#define DRIV_DIAG_UP_ERROR (0x05)
#define DRIV_DIAG_SLAVE_DRV_ERROR (0x80) /* aliased to 0x8x */
//
// Codes for Format Track
//
#define FORMAT_GOOD_SECTOR (0x00)
#define FORMAT_SUSPEND_ALLOC (0x01)
#define FORMAT_REALLOC_SECTOR (0x02)
#define FORMAT_MARK_SECTOR_DEFECTIVE (0x03)
//
// IDE_IDENTIFY bits
// config bits :
//
#define ID_CONFIG_RESERVED0 bit0
#define ID_CONFIG_HARD_SECTORED_DRIVE bit1
#define ID_CONFIG_SOFT_SECTORED_DRIVE bit2
#define ID_CONFIG_NON_MFM bit3
#define ID_CONFIG_15uS_HEAD_SWITCHING bit4
#define ID_CONFIG_SPINDLE_MOTOR_CONTROL bit5
#define ID_CONFIG_HARD_DRIVE bit6
#define ID_CONFIG_CHANGEABLE_MEDIUM bit7
#define ID_CONFIG_DATA_RATE_TO_5MHZ bit8
#define ID_CONFIG_DATA_RATE_5_TO_10MHZ bit9
#define ID_CONFIG_DATA_RATE_ABOVE_10MHZ bit10
#define ID_CONFIG_MOTOR_SPEED_TOLERANCE_ABOVE_0_5_PERC bit11
#define ID_CONFIG_DATA_CLK_OFFSET_AVAIL bit12
#define ID_CONFIG_TRACK_OFFSET_AVAIL bit13
#define ID_CONFIG_SPEED_TOLERANCE_GAP_NECESSARY bit14
#define ID_CONFIG_RESERVED1 bit15
#define ID_DOUBLE_WORD_IO_POSSIBLE bit01
#define ID_LBA_SUPPORTED bit9
#define ID_DMA_SUPPORTED bit8
#define SET_FEATURE_ENABLE_8BIT_TRANSFER (0x01)
#define SET_FEATURE_ENABLE_WRITE_CACHE (0x02)
#define SET_FEATURE_TRANSFER_MODE (0x03)
#define SET_FEATURE_WRITE_SAME_WRITE_SPECIFIC_AREA (0x22)
#define SET_FEATURE_DISABLE_RETRIES (0x33)
//
// for Read & Write Longs
//
#define SET_FEATURE_VENDOR_SPEC_ECC_LENGTH (0x44)
#define SET_FEATURE_PLACE_NO_OF_CACHE_SEGMENTS_IN_SECTOR_NO_REG (0x54)
#define SET_FEATURE_DISABLE_READ_AHEAD (0x55)
#define SET_FEATURE_MAINTAIN_PARAM_AFTER_RESET (0x66)
#define SET_FEATURE_DISABLE_ECC (0x77)
#define SET_FEATURE_DISABLE_8BIT_TRANSFER (0x81)
#define SET_FEATURE_DISABLE_WRITE_CACHE (0x82)
#define SET_FEATURE_ENABLE_ECC (0x88)
#define SET_FEATURE_ENABLE_RETRIES (0x99)
#define SET_FEATURE_ENABLE_READ_AHEAD (0xaa)
#define SET_FEATURE_SET_SECTOR_CNT_REG_AS_NO_OF_READ_AHEAD_SECTORS (0xab)
#define SET_FEATURE_ALLOW_REST_MODE (0xac)
//
// for Read & Write Longs
//
#define SET_FEATURE_4BYTE_ECC (0xbb)
#define SET_FEATURE_DEFALUT_FEATURES_ON_SOFTWARE_RESET (0xcc)
#define SET_FEATURE_WRITE_SAME_TO_WRITE_ENTIRE_MEDIUM (0xdd)
#define BLOCK_TRANSFER_MODE (0x00)
#define SINGLE_WORD_DMA_TRANSFER_MODE (0x10)
#define MULTI_WORD_DMA_TRANSFER_MODE (0x20)
#define TRANSFER_MODE_MASK (0x07) // 3 LSBs
//
// Drive 0 - Head 0
//
#define DEFAULT_DRIVE (0x00)
#define DEFAULT_CMD (0xa0)
//
// default content of device control register, disable INT
//
#define DEFAULT_CTL (0x0a)
#define DEFAULT_IDE_BM_IO_BASE_ADR (0xffa0)
//
// ATAPI6 related data structure definition
//
//
// The maximum sectors count in 28 bit addressing mode
//
#define MAX_28BIT_ADDRESSING_CAPACITY 0xfffffff
//
// Move the IDENTIFY section to DXE\Protocol\IdeControllerInit
//
//
// ATAPI Command
//
#define ATAPI_SOFT_RESET_CMD 0x08
#define ATAPI_PACKET_CMD 0xA0
#define PACKET_CMD 0xA0
#define ATAPI_IDENTIFY_DEVICE_CMD 0xA1
#define ATAPI_SERVICE_CMD 0xA2
//
// ATAPI Packet Command
//
#pragma pack(1)
typedef struct {
UINT8 opcode;
UINT8 reserved_1;
UINT8 reserved_2;
UINT8 reserved_3;
UINT8 reserved_4;
UINT8 reserved_5;
UINT8 reserved_6;
UINT8 reserved_7;
UINT8 reserved_8;
UINT8 reserved_9;
UINT8 reserved_10;
UINT8 reserved_11;
} TEST_UNIT_READY_CMD;
typedef struct {
UINT8 opcode;
UINT8 reserved_1 : 4;
UINT8 lun : 4;
UINT8 page_code;
UINT8 reserved_3;
UINT8 allocation_length;
UINT8 reserved_5;
UINT8 reserved_6;
UINT8 reserved_7;
UINT8 reserved_8;
UINT8 reserved_9;
UINT8 reserved_10;
UINT8 reserved_11;
} INQUIRY_CMD;
typedef struct {
UINT8 opcode;
UINT8 reserved_1 : 4;
UINT8 lun : 4;
UINT8 reserved_2;
UINT8 reserved_3;
UINT8 allocation_length;
UINT8 reserved_5;
UINT8 reserved_6;
UINT8 reserved_7;
UINT8 reserved_8;
UINT8 reserved_9;
UINT8 reserved_10;
UINT8 reserved_11;
} REQUEST_SENSE_CMD;
typedef struct {
UINT8 opcode;
UINT8 reserved_1 : 4;
UINT8 lun : 4;
UINT8 page_code : 4;
UINT8 page_control : 4;
UINT8 reserved_3;
UINT8 reserved_4;
UINT8 reserved_5;
UINT8 reserved_6;
UINT8 parameter_list_length_hi;
UINT8 parameter_list_length_lo;
UINT8 reserved_9;
UINT8 reserved_10;
UINT8 reserved_11;
} MODE_SENSE_CMD;
typedef struct {
UINT8 opcode;
UINT8 reserved_1 : 5;
UINT8 lun : 3;
UINT8 Lba0;
UINT8 Lba1;
UINT8 Lba2;
UINT8 Lba3;
UINT8 reserved_6;
UINT8 TranLen0;
UINT8 TranLen1;
UINT8 reserved_9;
UINT8 reserved_10;
UINT8 reserved_11;
} READ10_CMD;
typedef struct {
UINT8 opcode;
UINT8 reserved_1;
UINT8 reserved_2;
UINT8 reserved_3;
UINT8 reserved_4;
UINT8 reserved_5;
UINT8 reserved_6;
UINT8 allocation_length_hi;
UINT8 allocation_length_lo;
UINT8 reserved_9;
UINT8 reserved_10;
UINT8 reserved_11;
} READ_FORMAT_CAP_CMD;
typedef union {
UINT16 Data16[6];
TEST_UNIT_READY_CMD TestUnitReady;
READ10_CMD Read10;
REQUEST_SENSE_CMD RequestSence;
INQUIRY_CMD Inquiry;
MODE_SENSE_CMD ModeSense;
READ_FORMAT_CAP_CMD ReadFormatCapacity;
} ATAPI_PACKET_COMMAND;
typedef struct {
UINT32 RegionBaseAddr;
UINT16 ByteCount;
UINT16 EndOfTable;
} IDE_DMA_PRD;
#define MAX_DMA_EXT_COMMAND_SECTORS 0x10000
#define MAX_DMA_COMMAND_SECTORS 0x100
#pragma pack()
//
// Packet Command Code
//
#define TEST_UNIT_READY 0x00
#define REZERO 0x01
#define REQUEST_SENSE 0x03
#define FORMAT_UNIT 0x04
#define REASSIGN_BLOCKS 0x07
#define INQUIRY 0x12
#define START_STOP_UNIT 0x1B
#define PREVENT_ALLOW_MEDIA_REMOVAL 0x1E
#define READ_FORMAT_CAPACITY 0x23
#define OLD_FORMAT_UNIT 0x24
#define READ_CAPACITY 0x25
#define READ_10 0x28
#define WRITE_10 0x2A
#define SEEK 0x2B
#define SEND_DIAGNOSTICS 0x3D
#define WRITE_VERIFY 0x2E
#define VERIFY 0x2F
#define READ_DEFECT_DATA 0x37
#define WRITE_BUFFER 0x38
#define READ_BUFFER 0x3C
#define READ_LONG 0x3E
#define WRITE_LONG 0x3F
#define MODE_SELECT 0x55
#define MODE_SENSE 0x5A
#define READ_12 0xA8
#define WRITE_12 0xAA
#define MAX_ATAPI_BYTE_COUNT (0xfffe)
//
// Sense Key
//
#define REQUEST_SENSE_ERROR (0x70)
#define SK_NO_SENSE (0x0)
#define SK_RECOVERY_ERROR (0x1)
#define SK_NOT_READY (0x2)
#define SK_MEDIUM_ERROR (0x3)
#define SK_HARDWARE_ERROR (0x4)
#define SK_ILLEGAL_REQUEST (0x5)
#define SK_UNIT_ATTENTION (0x6)
#define SK_DATA_PROTECT (0x7)
#define SK_BLANK_CHECK (0x8)
#define SK_VENDOR_SPECIFIC (0x9)
#define SK_RESERVED_A (0xA)
#define SK_ABORT (0xB)
#define SK_RESERVED_C (0xC)
#define SK_OVERFLOW (0xD)
#define SK_MISCOMPARE (0xE)
#define SK_RESERVED_F (0xF)
//
// Additional Sense Codes
//
#define ASC_NOT_READY (0x04)
#define ASC_MEDIA_ERR1 (0x10)
#define ASC_MEDIA_ERR2 (0x11)
#define ASC_MEDIA_ERR3 (0x14)
#define ASC_MEDIA_ERR4 (0x30)
#define ASC_MEDIA_UPSIDE_DOWN (0x06)
#define ASC_INVALID_CMD (0x20)
#define ASC_LBA_OUT_OF_RANGE (0x21)
#define ASC_INVALID_FIELD (0x24)
#define ASC_WRITE_PROTECTED (0x27)
#define ASC_MEDIA_CHANGE (0x28)
#define ASC_RESET (0x29) /* Power On Reset or Bus Reset occurred */
#define ASC_ILLEGAL_FIELD (0x26)
#define ASC_NO_MEDIA (0x3A)
#define ASC_ILLEGAL_MODE_FOR_THIS_TRACK (0x64)
//
// Additional Sense Code Qualifier
//
#define ASCQ_IN_PROGRESS (0x01)
#define SETFEATURE TRUE
#define CLEARFEATURE FALSE
//
// ATAPI Data structure
//
#pragma pack(1)
typedef struct {
UINT8 peripheral_type;
UINT8 RMB;
UINT8 version;
UINT8 response_data_format;
UINT8 addnl_length;
UINT8 reserved_5;
UINT8 reserved_6;
UINT8 reserved_7;
UINT8 vendor_info[8];
UINT8 product_id[12];
UINT8 eeprom_product_code[4];
UINT8 firmware_rev_level[4];
UINT8 firmware_sub_rev_level[1];
UINT8 reserved_37;
UINT8 reserved_38;
UINT8 reserved_39;
UINT8 max_capacity_hi;
UINT8 max_capacity_mid;
UINT8 max_capacity_lo;
UINT8 reserved_43_95[95 - 43 + 1];
} INQUIRY_DATA;
typedef struct {
UINT8 peripheral_type;
UINT8 RMB;
UINT8 version;
UINT8 response_data_format;
UINT8 addnl_length;
UINT8 reserved_5;
UINT8 reserved_6;
UINT8 reserved_7;
UINT8 vendor_info[8];
UINT8 product_id[16];
UINT8 product_revision_level[4];
UINT8 vendor_specific[20];
UINT8 reserved_56_95[40];
} CDROM_INQUIRY_DATA;
typedef struct {
UINT8 error_code : 7;
UINT8 valid : 1;
UINT8 reserved_1;
UINT8 sense_key : 4;
UINT8 reserved_21 : 1;
UINT8 ILI : 1;
UINT8 reserved_22 : 2;
UINT8 vendor_specific_3;
UINT8 vendor_specific_4;
UINT8 vendor_specific_5;
UINT8 vendor_specific_6;
UINT8 addnl_sense_length; // n - 7
UINT8 vendor_specific_8;
UINT8 vendor_specific_9;
UINT8 vendor_specific_10;
UINT8 vendor_specific_11;
UINT8 addnl_sense_code; // mandatory
UINT8 addnl_sense_code_qualifier; // mandatory
UINT8 field_replaceable_unit_code; // optional
UINT8 reserved_15;
UINT8 reserved_16;
UINT8 reserved_17;
//
// Followed by additional sense bytes : FIXME
//
} REQUEST_SENSE_DATA;
typedef struct {
UINT8 LastLba3;
UINT8 LastLba2;
UINT8 LastLba1;
UINT8 LastLba0;
UINT8 BlockSize3;
UINT8 BlockSize2;
UINT8 BlockSize1;
UINT8 BlockSize0;
} READ_CAPACITY_DATA;
typedef struct {
UINT8 reserved_0;
UINT8 reserved_1;
UINT8 reserved_2;
UINT8 Capacity_Length;
UINT8 LastLba3;
UINT8 LastLba2;
UINT8 LastLba1;
UINT8 LastLba0;
UINT8 DesCode : 2;
UINT8 reserved_9 : 6;
UINT8 BlockSize2;
UINT8 BlockSize1;
UINT8 BlockSize0;
} READ_FORMAT_CAPACITY_DATA;
#pragma pack()
//
// PIO mode definition
//
typedef enum {
ATA_PIO_MODE_BELOW_2,
ATA_PIO_MODE_2,
ATA_PIO_MODE_3,
ATA_PIO_MODE_4
} ATA_PIO_MODE;
//
// Multi word DMA definition
//
typedef enum {
ATA_MDMA_MODE_0,
ATA_MDMA_MODE_1,
ATA_MDMA_MODE_2
} ATA_MDMA_MODE;
//
// UDMA mode definition
//
typedef enum {
ATA_UDMA_MODE_0,
ATA_UDMA_MODE_1,
ATA_UDMA_MODE_2,
ATA_UDMA_MODE_3,
ATA_UDMA_MODE_4,
ATA_UDMA_MODE_5
} ATA_UDMA_MODE;
#define ATA_MODE_CATEGORY_DEFAULT_PIO 0x00
#define ATA_MODE_CATEGORY_FLOW_PIO 0x01
#define ATA_MODE_CATEGORY_MDMA 0x04
#define ATA_MODE_CATEGORY_UDMA 0x08
#pragma pack(1)
typedef struct {
UINT8 ModeNumber : 3;
UINT8 ModeCategory : 5;
} ATA_TRANSFER_MODE;
typedef struct {
UINT8 Sector;
UINT8 Heads;
UINT8 MultipleSector;
} ATA_DRIVE_PARMS;
#pragma pack()
//
// IORDY Sample Point field value
//
#define ISP_5_CLK 0
#define ISP_4_CLK 1
#define ISP_3_CLK 2
#define ISP_2_CLK 3
//
// Recovery Time field value
//
#define RECVY_4_CLK 0
#define RECVY_3_CLK 1
#define RECVY_2_CLK 2
#define RECVY_1_CLK 3
//
// Slave IDE Timing Register Enable
//
#define SITRE bit14
//
// DMA Timing Enable Only Select 1
//
#define DTE1 bit7
//
// Pre-fetch and Posting Enable Select 1
//
#define PPE1 bit6
//
// IORDY Sample Point Enable Select 1
//
#define IE1 bit5
//
// Fast Timing Bank Drive Select 1
//
#define TIME1 bit4
//
// DMA Timing Enable Only Select 0
//
#define DTE0 bit3
//
// Pre-fetch and Posting Enable Select 0
//
#define PPE0 bit2
//
// IOREY Sample Point Enable Select 0
//
#define IE0 bit1
//
// Fast Timing Bank Drive Select 0
//
#define TIME0 bit0
#endif