mirror of https://github.com/acidanthera/audk.git
103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/** @file
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Private structures and functions used within OPAL_DRIVER
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _OPAL_DRIVER_PRIVATE_H_
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#define _OPAL_DRIVER_PRIVATE_H_
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#include "OpalDriver.h"
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#define OPAL_MSID_LENGHT 128
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#pragma pack(1)
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//
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// Structure that is used to represent an OPAL_DISK.
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//
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typedef struct {
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UINT32 MsidLength; // Byte length of MSID Pin for device
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UINT8 Msid[OPAL_MSID_LENGHT]; // MSID Pin for device
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EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *Sscp;
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UINT32 MediaId; // MediaId is used by Ssc Protocol.
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EFI_DEVICE_PATH_PROTOCOL *OpalDevicePath;
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UINT16 OpalBaseComId; // Opal SSC 1 base com id.
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OPAL_OWNER_SHIP Owner;
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OPAL_DISK_SUPPORT_ATTRIBUTE SupportedAttributes;
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TCG_LOCKING_FEATURE_DESCRIPTOR LockingFeature; // Locking Feature Descriptor retrieved from performing a Level 0 Discovery
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} OPAL_DISK;
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//
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// Device with block IO protocol
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//
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typedef struct _OPAL_DRIVER_DEVICE OPAL_DRIVER_DEVICE;
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struct _OPAL_DRIVER_DEVICE {
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OPAL_DRIVER_DEVICE *Next; ///< Linked list pointer
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EFI_HANDLE Handle; ///< Device handle
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OPAL_DISK OpalDisk; ///< User context
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CHAR16 *Name16; ///< Allocated/freed by UEFI Filter Driver at device creation/removal
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CHAR8 *NameZ; ///< Allocated/freed by UEFI Filter Driver at device creation/removal
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UINT32 MediaId; ///< Required parameter for EFI_STORAGE_SECURITY_COMMAND_PROTOCOL, from BLOCK_IO_MEDIA
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EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *Sscp; /// Device protocols consumed
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EFI_DEVICE_PATH_PROTOCOL *OpalDevicePath;
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};
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//
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// Opal Driver UEFI Driver Model
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//
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typedef struct {
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EFI_HANDLE Handle; ///< Driver image handle
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OPAL_DRIVER_DEVICE *DeviceList; ///< Linked list of controllers owned by this Driver
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} OPAL_DRIVER;
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#pragma pack()
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//
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// Retrieves a OPAL_DRIVER_DEVICE based on the pointer to its StorageSecurity protocol.
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//
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#define DRIVER_DEVICE_FROM_OPALDISK(OpalDiskPointer) (OPAL_DRIVER_DEVICE*)(BASE_CR(OpalDiskPointer, OPAL_DRIVER_DEVICE, OpalDisk))
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/**
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Get devcie list info.
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@retval return the device list pointer.
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**/
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OPAL_DRIVER_DEVICE*
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OpalDriverGetDeviceList(
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VOID
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);
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/**
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Get devcie name through the component name protocol.
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@param[in] Dev The device which need to get name.
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@retval TRUE Find the name for this device.
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@retval FALSE Not found the name for this device.
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**/
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BOOLEAN
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OpalDriverGetDriverDeviceName(
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OPAL_DRIVER_DEVICE *Dev
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);
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/**
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Get current device count.
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@retval return the current created device count.
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**/
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UINT8
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GetDeviceCount (
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VOID
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);
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#endif // _OPAL_DRIVER_P_H_
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