55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/** @file
|
|
DXE Chipset Services Library.
|
|
|
|
This file contains only one function that is DxeCsSvcSataComReset().
|
|
The function DxeCsSvcSataComReset() use chipset services to reset specified SATA port.
|
|
|
|
***************************************************************************
|
|
* Copyright (c) 2012, Insyde Software Corp. All Rights Reserved.
|
|
*
|
|
* You may not reproduce, distribute, publish, display, perform, modify, adapt,
|
|
* transmit, broadcast, present, recite, release, license or otherwise exploit
|
|
* any part of this publication in any form, by any means, without the prior
|
|
* written permission of Insyde Software Corporation.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
#include <PiDxe.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Protocol/H2ODxeChipsetServices.h>
|
|
|
|
//
|
|
// Global Variables (This Source File Only)
|
|
//
|
|
extern H2O_CHIPSET_SERVICES_PROTOCOL *mChipsetSvc;
|
|
|
|
/**
|
|
This routine issues SATA COM reset on the specified SATA port
|
|
|
|
@param[in] PortNumber The SATA port number to be reset
|
|
|
|
@retval EFI_SUCCESS The SATA port has been reset successfully
|
|
@retval EFI_DEVICE_ERROR 1.SATA controller isn't in IDE, AHCI or RAID mode.
|
|
2.Get error when getting PortNumberMapTable.
|
|
@retval EFI_UNSUPPORTED If the function is not implemented.
|
|
*/
|
|
EFI_STATUS
|
|
DxeCsSvcSataComReset (
|
|
IN UINTN PortNumber
|
|
)
|
|
{
|
|
//
|
|
// Verify that the protocol interface structure contains the function
|
|
// pointer and whether that function pointer is non-NULL. If not, return
|
|
// an error.
|
|
//
|
|
if (mChipsetSvc == NULL ||
|
|
mChipsetSvc->Size < (OFFSET_OF(H2O_CHIPSET_SERVICES_PROTOCOL, SataComReset) + sizeof(VOID*)) ||
|
|
mChipsetSvc->SataComReset == NULL) {
|
|
DEBUG ((EFI_D_ERROR, "H2O DXE Chipset Services can not be found or member SataComReset() isn't implement!\n"));
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
return mChipsetSvc->SataComReset (PortNumber);
|
|
}
|