/** @file This file is used to implement the EFI_DISK_INFO_PROTOCOL interface. Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.
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; }