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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
// $Header: /Alaska/SOURCE/Modules/OpalSecurity/OPALSECURITY/IDEOpalSec.c 4 12/21/11 8:33p Rajkumarkc $
//
// $Revision: 4 $
//
// $Date: 12/21/11 8:33p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/OpalSecurity/OPALSECURITY/IDEOpalSec.c $
//
// 4 12/21/11 8:33p Rajkumarkc
// [TAG] EIP77142
// [Category] BUG FIX & IMPROVEMENT
// [Description] BUG FIX - Changed Little Endian format to Big Endian
// format while sending commands.
// IMPROVEMENT - Added support to Lock the Opal hdd if it's
// unlocked on Bios POST.
// [Files] IdeOpalSec.c, AhciOpalSec.c, OpalSecurity.c,
// OpalSecurity.h, OpalSecurity.sdl
//
// 3 8/22/11 4:03a Anandakrishnanl
// [TAG] EIP64040
// [Category] Improvement
// [Description] Opal Security - Changes requested for CodeReview by
// customer
// [Files] IdeOpalSec.c
// AhciOpalSec.c
//
// 2 8/22/11 3:03a Anandakrishnanl
// [TAG] EIP62912
// [Category] Improvement
// [Description] Opal Security Definitions Should be Moved to PIDEBUS.h
// from StorageSecurityProtocol.h
// StorageSecurityProtocol.h included in OPAL security driver module will
// give build error when disabled without sdl token #if
// OpalSecurity_SUPPORT properly placed in Ahcibus and IdeBus drivers. But
// Bus driver should not depend on any tokens. For this reason need to
// move OPAL_SEC_INIT_PROTOCOL_GUID in Pidebus.h
// [Files] IdeBus.c
// Pidebus.h
// OpalSecurity.cif
// OpalSecurity.h
// IdeOpalSec.c
// AhciOpalSec.c
//
// 1 5/19/11 2:07a Anandakrishnanl
// Opal Security Module Initial Check In
//
//
//<AMI_FHDR_START>
//---------------------------------------------------------------------------
//
// Name: IDEOpalSec.c
//
// Description: IDE Opal Security Support
//
//---------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "OpalSecurity.h"
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: IdeSendData
//
// Description: Send a security protocol command to a device.
//
// Input:
// This - Indicates a pointer to the calling context. Type
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL is defined in the
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL description.
// MediaId - ID of the medium to send data to.
// Timeout - The timeout, in 100ns units, to use for the execution of the
// security protocol command. A Timeout value of 0 means that this
// function will wait indefinitely for the security protocol command
// to execute. If Timeout is greater than zero, then this function
// will return EFI_TIMEOUT if the time required to execute the
// receive data command is greater than Timeout.
// SecurityProtocolId - Security protocol ID of the security protocol
// command to be sent.
// SecurityProtocolSpecificData - Security protocol specific portion of
// the security protocol command.
// PayloadBufferSize - Size in bytes of the payload data buffer.
// PayloadBuffer - A pointer to a buffer containing the security protocol
// command specific payload data for the security protocol command.
// Output:
// EFI_SUCCESS - The security protocol command completed successfully.
// EFI_UNSUPPORTED - The given MediaId does not support security
// protocol commands.
// EFI_DEVICE_ERROR - The security protocol command completed with an error.
// EFI_INVALID_PARAMETER - The PayloadBuffer or PayloadTransferSize is
// NULL and PayloadBufferSize is non-zero.
//
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS IdeSendData(
IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,
IN UINT32 MediaId,
IN UINT64 Timeout,
IN UINT8 SecurityProtocolId,
IN UINT16 SecurityProtocolSpecificData,
IN UINTN PayloadBufferSize,
IN VOID *PayloadBuffer )
{
EFI_STATUS Status;
UINT8 SectorCountL = 0;
UINT8 SectorCountH = 0;
STORAGE_SECURITY_COMMAND_PROTOCOL *StorageSecurityProtocol = (STORAGE_SECURITY_COMMAND_PROTOCOL*)This;
IDE_BUS_PROTOCOL *IdeBusInterface = (IDE_BUS_PROTOCOL*)StorageSecurityProtocol->BusInterface;
EFI_BLOCK_IO_PROTOCOL *Blockio = &(IdeBusInterface->IdeBlkIo->BlkIo);
// Check for BlkIo presence
if(Blockio == NULL) {
return EFI_UNSUPPORTED;
}
// Check for Media change
if(Blockio->Media->MediaId != MediaId) {
return EFI_MEDIA_CHANGED;
}
SectorCountL = (UINT8)(PayloadBufferSize / Blockio->Media->BlockSize);
SectorCountH = (UINT8)((PayloadBufferSize / Blockio->Media->BlockSize)/0x100);
if(PayloadBufferSize != 0){
// For PayloadBufferSize non zero, Trusted Send command should be used
if(PayloadBuffer == NULL) {
return EFI_INVALID_PARAMETER;
}
Status = IdeBusInterface->AtaPioDataOut(
IdeBusInterface,
PayloadBuffer,
(UINT32)PayloadBufferSize,
SecurityProtocolId,
SectorCountL, // Sector count - 512 bytes multiples
SectorCountH,//TransferLength
0,
(UINT8)(SecurityProtocolSpecificData >> 8) , //Com ID
0,
(UINT8)SecurityProtocolSpecificData,
0,
IdeBusInterface->IdeDevice.Device << 4,
TRUSTED_SEND,
TRUE,
FALSE );
}else{
// For PayloadBufferSize zero, Trusted Non Data command should be used
// BIT 24 indicates Trusted Receive/Send
Status = IdeBusInterface->IdeNonDataCommand(IdeBusInterface,
SecurityProtocolId,
0, // Reserved if command is Trusted Non-Data
0, // Reserved if command is Trusted Non-Data
0, // Reserved if command is Trusted Non-Data
0, // Reserved if command is Trusted Non-Data
(UINT8)(SecurityProtocolSpecificData >> 8),//Com Id
0,
(UINT8)SecurityProtocolSpecificData,
0,
IdeBusInterface->IdeDevice.Device << 4,
TRUSTED_NON_DATA
);
}
return Status;
}
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: IdeReceiveData
//
// Description: Send a security protocol command to a device that receives
// data and/or the result of one or more commands sent by
// SendData.
//
// Input:
// This -Indicates a pointer to the calling context. Type
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL is defined in the
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL description.
// MediaId - ID of the medium to receive data from.
// Timeout - The timeout, in 100ns units, to use for the execution of the
// security protocol command. A Timeout value of 0 means that this
// function will wait indefinitely for the security protocol command to
// execute. If Timeout is greater than zero, then this function will
// return.
// SecurityProtocolId - Security protocol ID of the security protocol
// command to be sent.
// SecurityProtocolSpecificData - Security protocol specific portion of
// the security protocol command.
// PayloadBufferSize - Size in bytes of the payload data buffer.
// PayloadBuffer - A pointer to a destination buffer to store the security
// protocol command specific payload data for the security protocol
// command. The caller is responsible for either having implicit or
// explicit ownership of the buffer.
// PayloadTransferSize - A pointer to a buffer to store the size in bytes
// of the data written to the payload data buffer.
//
// Output:
// EFI_SUCCESS - The security protocol command completed successfully.
// EFI_UNSUPPORTED - The given MediaId does not support security
// protocol commands.
// EFI_DEVICE_ERROR - The security protocol command completed with an error.
// EFI_INVALID_PARAMETER - The PayloadBuffer or PayloadTransferSize is
// NULL and PayloadBufferSize is non-zero.
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS IdeReceiveData(
IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,
IN UINT32 MediaId,
IN UINT64 Timeout,
IN UINT8 SecurityProtocolId,
IN UINT16 SecurityProtocolSpecificData,
IN UINTN PayloadBufferSize,
OUT VOID *PayloadBuffer,
OUT UINTN *PayloadTransferSize
)
{
EFI_STATUS Status;
UINT8 Device = 0;
UINT8 SectorCountL = 0;
UINT8 SectorCountH = 0;
STORAGE_SECURITY_COMMAND_PROTOCOL *StorageSecurityProtocol = (STORAGE_SECURITY_COMMAND_PROTOCOL*)This;
IDE_BUS_PROTOCOL *IdeBusInterface = (IDE_BUS_PROTOCOL*)StorageSecurityProtocol->BusInterface;
EFI_BLOCK_IO_PROTOCOL *Blockio = &(IdeBusInterface->IdeBlkIo->BlkIo);
// Check for BlkIo presence
if(Blockio == NULL) {
return EFI_UNSUPPORTED;
}
if(Blockio->Media->MediaId != MediaId) {
return EFI_MEDIA_CHANGED;
}
SectorCountL = (UINT8)(PayloadBufferSize / Blockio->Media->BlockSize);
SectorCountH = (UINT8)((PayloadBufferSize / Blockio->Media->BlockSize)/0x100);
if(PayloadBufferSize != 0){
// For PayloadBufferSize non zero, Trusted Receive command should be used
if(PayloadTransferSize == NULL || PayloadBuffer == NULL) {
return EFI_INVALID_PARAMETER;
}
Status = IdeBusInterface->AtaPioDataIn(
IdeBusInterface,
PayloadBuffer,
(UINT32)PayloadBufferSize,
SecurityProtocolId,
SectorCountL, // Sector count - 512 bytes multiples
SectorCountH,//TransferLength
(UINT8)(SecurityProtocolSpecificData >> 8) , //Com ID
(UINT8)SecurityProtocolSpecificData,
IdeBusInterface->IdeDevice.Device << 4,
TRUSTED_RECEIVE,
FALSE );
}else{
// For PayloadBufferSize zero, Trusted Non Data command should be used
// BIT 24 indicates Trusted Receive/Send
UINT32 LBA = 0;
// IdeNonDataCommand supports only for 24 bits of LBA(Low, Mid and High). For 28 bit LBA
// we use device to fill remanining 4 bits (24:27).
// Needed since bit 24 indicates Trusted Receive/Send.
LBA = (SecurityProtocolSpecificData << 8) | (1 << 24);
Device = ((UINT8) ((UINT32) LBA >> 24 ) & 0x0f) | (IdeBusInterface->IdeDevice.Device << 4) | 0x40;
Status = IdeBusInterface->IdeNonDataCommand(
IdeBusInterface,
SecurityProtocolId,
0, // Reserved if command is Trusted Non-Data
0, // Reserved if command is Trusted Non-Data
0, // Reserved if command is Trusted Non-Data
0x01, // Trusted Receive
(UINT8)(SecurityProtocolSpecificData >> 8) , //Com ID - Discovery 0
0,
(UINT8)SecurityProtocolSpecificData,
0,
Device,
TRUSTED_NON_DATA );
}
if (!EFI_ERROR( Status) ) {
*PayloadTransferSize = PayloadBufferSize;
} else {
*PayloadTransferSize = 0;
}
return Status;
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
