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/** @file
This file is used to implement the EFI_DISK_INFO_PROTOCOL interface.
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
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 "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;
}
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