/** @file | |
This file is used to implement the EFI_DISK_INFO_PROTOCOL interface. | |
Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#include "UsbMass.h" | |
EFI_DISK_INFO_PROTOCOL gUsbDiskInfoProtocolTemplate = { | |
EFI_DISK_INFO_USB_INTERFACE_GUID, | |
UsbDiskInfoInquiry, | |
UsbDiskInfoIdentify, | |
UsbDiskInfoSenseData, | |
UsbDiskInfoWhichIde | |
}; | |
/** | |
Initialize the installation of DiskInfo protocol. | |
This function prepares for the installation of DiskInfo protocol on the child handle. | |
By default, it installs DiskInfo protocol with USB interface GUID. | |
@param[in] UsbMass The pointer of USB_MASS_DEVICE. | |
**/ | |
VOID | |
InitializeDiskInfo ( | |
IN USB_MASS_DEVICE *UsbMass | |
) | |
{ | |
CopyMem (&UsbMass->DiskInfo, &gUsbDiskInfoProtocolTemplate, sizeof (gUsbDiskInfoProtocolTemplate)); | |
} | |
/** | |
Provides inquiry information for the controller type. | |
This function is used 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 | |
UsbDiskInfoInquiry ( | |
IN EFI_DISK_INFO_PROTOCOL *This, | |
IN OUT VOID *InquiryData, | |
IN OUT UINT32 *InquiryDataSize | |
) | |
{ | |
EFI_STATUS Status; | |
USB_MASS_DEVICE *UsbMass; | |
UsbMass = USB_MASS_DEVICE_FROM_DISK_INFO (This); | |
Status = EFI_BUFFER_TOO_SMALL; | |
if (*InquiryDataSize >= sizeof (UsbMass->InquiryData)) { | |
Status = EFI_SUCCESS; | |
CopyMem (InquiryData, &UsbMass->InquiryData, sizeof (UsbMass->InquiryData)); | |
} | |
*InquiryDataSize = sizeof (UsbMass->InquiryData); | |
return Status; | |
} | |
/** | |
Provides identify information for the controller type. | |
This function is used 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 | |
UsbDiskInfoIdentify ( | |
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 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 | |
UsbDiskInfoSenseData ( | |
IN EFI_DISK_INFO_PROTOCOL *This, | |
IN OUT VOID *SenseData, | |
IN OUT UINT32 *SenseDataSize, | |
OUT UINT8 *SenseDataNumber | |
) | |
{ | |
return EFI_NOT_FOUND; | |
} | |
/** | |
This function is used 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 | |
UsbDiskInfoWhichIde ( | |
IN EFI_DISK_INFO_PROTOCOL *This, | |
OUT UINT32 *IdeChannel, | |
OUT UINT32 *IdeDevice | |
) | |
{ | |
return EFI_UNSUPPORTED; | |
} |