CloverBootloader/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassDiskInfo.c

/** @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;
}