diff options
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassDiskInfo.c')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassDiskInfo.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassDiskInfo.c b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassDiskInfo.c new file mode 100644 index 0000000000..1fa8543e2b --- /dev/null +++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassDiskInfo.c @@ -0,0 +1,162 @@ +/** @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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