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/** @file
Implement the EFI_DISK_INFO_PROTOCOL interface on EMMC devices.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "EmmcDxe.h"
/**
Provides inquiry information for the controller type.
This function is used by the driver entity to get inquiry data. Data format of
Identify data is defined by the Interface GUID.
@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
@param[in,out] InquiryData Pointer to a buffer for the inquiry data.
@param[in,out] InquiryDataSize Pointer to the value for the inquiry data size.
@retval EFI_SUCCESS The command was accepted without any errors.
@retval EFI_NOT_FOUND Device does not support this data class.
@retval EFI_DEVICE_ERROR Error reading InquiryData from device.
@retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough.
**/
EFI_STATUS
EFIAPI
EmmcDiskInfoInquiry (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *InquiryData,
IN OUT UINT32 *InquiryDataSize
)
{
EFI_STATUS Status;
EMMC_PARTITION *Partition;
EMMC_DEVICE *Device;
Partition = EMMC_PARTITION_DATA_FROM_DISKINFO (This);
Device = Partition->Device;
if (*InquiryDataSize >= sizeof (Device->Cid)) {
Status = EFI_SUCCESS;
CopyMem (InquiryData, &Device->Cid, sizeof (Device->Cid));
} else {
Status = EFI_BUFFER_TOO_SMALL;
}
*InquiryDataSize = sizeof (Device->Cid);
return Status;
}
/**
Provides identify information for the controller type.
This function is used by the driver entity to get identify data. Data format
of Identify data is defined by the Interface GUID.
@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL
instance.
@param[in,out] IdentifyData Pointer to a buffer for the identify data.
@param[in,out] IdentifyDataSize Pointer to the value for the identify data
size.
@retval EFI_SUCCESS The command was accepted without any errors.
@retval EFI_NOT_FOUND Device does not support this data class.
@retval EFI_DEVICE_ERROR Error reading IdentifyData from device.
@retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough.
**/
EFI_STATUS
EFIAPI
EmmcDiskInfoIdentify (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *IdentifyData,
IN OUT UINT32 *IdentifyDataSize
)
{
return EFI_NOT_FOUND;
}
/**
Provides sense data information for the controller type.
This function is used by the driver entity to get sense data. Data format of
Sense data is defined by the Interface GUID.
@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
@param[in,out] SenseData Pointer to the SenseData.
@param[in,out] SenseDataSize Size of SenseData in bytes.
@param[out] SenseDataNumber Pointer to the value for the sense data size.
@retval EFI_SUCCESS The command was accepted without any errors.
@retval EFI_NOT_FOUND Device does not support this data class.
@retval EFI_DEVICE_ERROR Error reading SenseData from device.
@retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough.
**/
EFI_STATUS
EFIAPI
EmmcDiskInfoSenseData (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *SenseData,
IN OUT UINT32 *SenseDataSize,
OUT UINT8 *SenseDataNumber
)
{
return EFI_NOT_FOUND;
}
/**
Provides IDE channel and device information for the interface.
This function is used by the driver entity to get controller information.
@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
@param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.
@param[out] IdeDevice Pointer to the Ide Device number. Master or slave.
@retval EFI_SUCCESS IdeChannel and IdeDevice are valid.
@retval EFI_UNSUPPORTED This is not an IDE device.
**/
EFI_STATUS
EFIAPI
EmmcDiskInfoWhichIde (
IN EFI_DISK_INFO_PROTOCOL *This,
OUT UINT32 *IdeChannel,
OUT UINT32 *IdeDevice
)
{
return EFI_UNSUPPORTED;
}
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