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/** @file
Callbacks required by the HII of the Opal UEFI Driver to help display
Opal device information and to send password to SMM handler.
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.
**/
#include "OpalHii.h"
#include "OpalDriver.h"
#include "OpalDriverPrivate.h"
/**
Get Opal var name.
The return Value must be freed by caller if not NULL
@param OpalDisk The disk.
@param Prefix The prefix string.
@retval The var name string.
**/
CHAR16*
OpalDriverGetOpalVarName(
OPAL_DISK *OpalDisk,
const CHAR16 *Prefix
)
{
OPAL_DRIVER_DEVICE* Dev;
UINTN PrefixLen;
UINTN NameLen;
UINTN VarNameLen;
CHAR16* VarName;
Dev = DRIVER_DEVICE_FROM_OPALDISK(OpalDisk);
if (Dev == NULL) {
return NULL;
}
PrefixLen = StrLen(Prefix);
NameLen = 0;
if (Dev->Name16 != NULL) {
NameLen = StrLen(Dev->Name16);
}
VarNameLen = PrefixLen + NameLen;
VarName = (CHAR16*)AllocateZeroPool((VarNameLen + 1) * sizeof(CHAR16));
if (VarName == NULL) {
return NULL;
}
CopyMem(VarName, Prefix, PrefixLen * sizeof(CHAR16));
if (Dev->Name16 != NULL) {
CopyMem(VarName + PrefixLen, Dev->Name16, NameLen * sizeof(CHAR16));
}
VarName[VarNameLen] = 0;
return VarName;
}
/**
Get the driver image handle.
@retval the driver image handle.
**/
EFI_HANDLE
HiiGetDriverImageHandleCB(
VOID
)
{
return gImageHandle;
}
/**
Check whether enable feature or not.
@retval Return the disk number.
**/
UINT8
HiiGetNumConfigRequiredOpalDisksCB(
VOID
)
{
UINT8 NumDisks;
UINT8 NumLockedOpalDisks;
OPAL_DISK *OpalDisk;
UINT8 Index;
NumLockedOpalDisks = 0;
NumDisks = GetDeviceCount();
for (Index = 0; Index < NumDisks; Index++) {
OpalDisk = HiiGetOpalDiskCB(Index);
if (OpalDisk != NULL) {
if (!OpalFeatureEnabled (&OpalDisk->SupportedAttributes, &OpalDisk->LockingFeature)) {
DEBUG ((DEBUG_INFO, "Ignoring disk %u because feature is disabled or health has already been inspected\n", Index));
} else if (OpalDeviceLocked (&OpalDisk->SupportedAttributes, &OpalDisk->LockingFeature)) {
NumLockedOpalDisks++;
}
}
}
return NumLockedOpalDisks;
}
/**
Returns the opaque pointer to a physical disk context.
@param DiskIndex Input the disk index.
@retval The device pointer.
**/
VOID *
HiiGetDiskContextCB(
UINT8 DiskIndex
)
{
OPAL_DRIVER_DEVICE* Dev;
UINT8 CurrentDisk;
Dev = OpalDriverGetDeviceList();
CurrentDisk = 0;
if (DiskIndex >= GetDeviceCount()) {
return NULL;
}
while (Dev != NULL) {
if (CurrentDisk == DiskIndex) {
return Dev;
} else {
Dev = Dev->Next;
CurrentDisk++;
}
}
return NULL;
}
/**
Returns the opaque pointer to a physical disk context.
@param DiskIndex Input the disk index.
@retval The device pointer.
**/
OPAL_DISK*
HiiGetOpalDiskCB(
UINT8 DiskIndex
)
{
VOID *Ctx;
OPAL_DRIVER_DEVICE *Tmp;
Ctx = HiiGetDiskContextCB (DiskIndex);
if (Ctx == NULL) {
return NULL;
}
Tmp = (OPAL_DRIVER_DEVICE*) Ctx;
return &Tmp->OpalDisk;
}
/**
Returns the disk name.
@param DiskIndex Input the disk index.
@retval Returns the disk name.
**/
CHAR8*
HiiDiskGetNameCB(
UINT8 DiskIndex
)
{
OPAL_DRIVER_DEVICE* Ctx;
Ctx = (OPAL_DRIVER_DEVICE*) HiiGetDiskContextCB (DiskIndex);
if (Ctx != NULL) {
if (Ctx->NameZ == NULL) {
OpalDriverGetDriverDeviceName (Ctx);
}
return Ctx->NameZ;
}
return NULL;
}
/**
Returns the driver name.
@retval Returns the driver name.
**/
CHAR16*
HiiGetDriverNameCB(
VOID
)
{
return (CHAR16*)EFI_DRIVER_NAME_UNICODE;
}
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