audk/SecurityPkg/Tcg/Opal/OpalPasswordDxe/OpalDriverPrivate.h

103 lines
3.7 KiB
C
Raw Normal View History

/** @file
Private structures and functions used within OPAL_DRIVER
Copyright (c) 2016, 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.
**/
#ifndef _OPAL_DRIVER_PRIVATE_H_
#define _OPAL_DRIVER_PRIVATE_H_
#include "OpalDriver.h"
#define OPAL_MSID_LENGHT 128
#pragma pack(1)
//
// Structure that is used to represent an OPAL_DISK.
//
typedef struct {
UINT32 MsidLength; // Byte length of MSID Pin for device
UINT8 Msid[OPAL_MSID_LENGHT]; // MSID Pin for device
EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *Sscp;
UINT32 MediaId; // MediaId is used by Ssc Protocol.
EFI_DEVICE_PATH_PROTOCOL *OpalDevicePath;
UINT16 OpalBaseComId; // Opal SSC 1 base com id.
OPAL_OWNER_SHIP Owner;
OPAL_DISK_SUPPORT_ATTRIBUTE SupportedAttributes;
TCG_LOCKING_FEATURE_DESCRIPTOR LockingFeature; // Locking Feature Descriptor retrieved from performing a Level 0 Discovery
} OPAL_DISK;
//
// Device with block IO protocol
//
typedef struct _OPAL_DRIVER_DEVICE OPAL_DRIVER_DEVICE;
struct _OPAL_DRIVER_DEVICE {
OPAL_DRIVER_DEVICE *Next; ///< Linked list pointer
EFI_HANDLE Handle; ///< Device handle
OPAL_DISK OpalDisk; ///< User context
CHAR16 *Name16; ///< Allocated/freed by UEFI Filter Driver at device creation/removal
CHAR8 *NameZ; ///< Allocated/freed by UEFI Filter Driver at device creation/removal
UINT32 MediaId; ///< Required parameter for EFI_STORAGE_SECURITY_COMMAND_PROTOCOL, from BLOCK_IO_MEDIA
EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *Sscp; /// Device protocols consumed
EFI_DEVICE_PATH_PROTOCOL *OpalDevicePath;
};
//
// Opal Driver UEFI Driver Model
//
typedef struct {
EFI_HANDLE Handle; ///< Driver image handle
OPAL_DRIVER_DEVICE *DeviceList; ///< Linked list of controllers owned by this Driver
} OPAL_DRIVER;
#pragma pack()
//
// Retrieves a OPAL_DRIVER_DEVICE based on the pointer to its StorageSecurity protocol.
//
#define DRIVER_DEVICE_FROM_OPALDISK(OpalDiskPointer) (OPAL_DRIVER_DEVICE*)(BASE_CR(OpalDiskPointer, OPAL_DRIVER_DEVICE, OpalDisk))
/**
Get devcie list info.
@retval return the device list pointer.
**/
OPAL_DRIVER_DEVICE*
OpalDriverGetDeviceList(
VOID
);
/**
Get devcie name through the component name protocol.
@param[in] Dev The device which need to get name.
@retval TRUE Find the name for this device.
@retval FALSE Not found the name for this device.
**/
BOOLEAN
OpalDriverGetDriverDeviceName(
OPAL_DRIVER_DEVICE *Dev
);
/**
Get current device count.
@retval return the current created device count.
**/
UINT8
GetDeviceCount (
VOID
);
#endif // _OPAL_DRIVER_P_H_