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/** @file
Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "HstiDxe.h"
/**
Returns the current state information for the adapter.
This function returns information of type InformationType from the adapter.
If an adapter does not support the requested informational type, then
EFI_UNSUPPORTED is returned. If an adapter does not contain Information for
the requested InformationType, it fills InformationBlockSize with 0 and
returns EFI_NOT_FOUND.
@param[in] This A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
@param[in] InformationType A pointer to an EFI_GUID that defines the contents of InformationBlock.
@param[out] InformationBlock The service returns a pointer to the buffer with the InformationBlock
structure which contains details about the data specific to InformationType.
@param[out] InformationBlockSize The driver returns the size of the InformationBlock in bytes.
@retval EFI_SUCCESS The InformationType information was retrieved.
@retval EFI_UNSUPPORTED The InformationType is not known.
@retval EFI_NOT_FOUND Information is not available for the requested information type.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER InformationBlock is NULL.
@retval EFI_INVALID_PARAMETER InformationBlockSize is NULL.
**/
EFI_STATUS
EFIAPI
HstiAipGetInfo (
IN EFI_ADAPTER_INFORMATION_PROTOCOL *This,
IN EFI_GUID *InformationType,
OUT VOID **InformationBlock,
OUT UINTN *InformationBlockSize
)
{
HSTI_AIP_PRIVATE_DATA *HstiAip;
if ((This == NULL) || (InformationBlock == NULL) || (InformationBlockSize == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (!CompareGuid (InformationType, &gAdapterInfoPlatformSecurityGuid)) {
return EFI_UNSUPPORTED;
}
HstiAip = HSTI_AIP_PRIVATE_DATA_FROM_THIS (This);
*InformationBlock = AllocateCopyPool (HstiAip->HstiSize, HstiAip->Hsti);
if (*InformationBlock == NULL) {
return EFI_OUT_OF_RESOURCES;
}
*InformationBlockSize = HstiAip->HstiSize;
return EFI_SUCCESS;
}
/**
Sets state information for an adapter.
This function sends information of type InformationType for an adapter.
If an adapter does not support the requested information type, then EFI_UNSUPPORTED
is returned.
@param[in] This A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
@param[in] InformationType A pointer to an EFI_GUID that defines the contents of InformationBlock.
@param[in] InformationBlock A pointer to the InformationBlock structure which contains details
about the data specific to InformationType.
@param[in] InformationBlockSize The size of the InformationBlock in bytes.
@retval EFI_SUCCESS The information was received and interpreted successfully.
@retval EFI_UNSUPPORTED The InformationType is not known.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER InformationBlock is NULL.
@retval EFI_WRITE_PROTECTED The InformationType cannot be modified using EFI_ADAPTER_INFO_SET_INFO().
**/
EFI_STATUS
EFIAPI
HstiAipSetInfo (
IN EFI_ADAPTER_INFORMATION_PROTOCOL *This,
IN EFI_GUID *InformationType,
IN VOID *InformationBlock,
IN UINTN InformationBlockSize
)
{
HSTI_AIP_PRIVATE_DATA *HstiAip;
VOID *NewHsti;
if ((This == NULL) || (InformationBlock == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (!CompareGuid (InformationType, &gAdapterInfoPlatformSecurityGuid)) {
return EFI_UNSUPPORTED;
}
if (!InternalHstiIsValidTable (InformationBlock, InformationBlockSize)) {
return EFI_VOLUME_CORRUPTED;
}
HstiAip = HSTI_AIP_PRIVATE_DATA_FROM_THIS (This);
if (InformationBlockSize > HstiAip->HstiMaxSize) {
NewHsti = AllocateZeroPool (InformationBlockSize);
if (NewHsti == NULL) {
return EFI_OUT_OF_RESOURCES;
}
FreePool (HstiAip->Hsti);
HstiAip->Hsti = NewHsti;
HstiAip->HstiSize = 0;
HstiAip->HstiMaxSize = InformationBlockSize;
}
CopyMem (HstiAip->Hsti, InformationBlock, InformationBlockSize);
HstiAip->HstiSize = InformationBlockSize;
return EFI_SUCCESS;
}
/**
Get a list of supported information types for this instance of the protocol.
This function returns a list of InformationType GUIDs that are supported on an
adapter with this instance of EFI_ADAPTER_INFORMATION_PROTOCOL. The list is returned
in InfoTypesBuffer, and the number of GUID pointers in InfoTypesBuffer is returned in
InfoTypesBufferCount.
@param[in] This A pointer to the EFI_ADAPTER_INFORMATION_PROTOCOL instance.
@param[out] InfoTypesBuffer A pointer to the array of InformationType GUIDs that are supported
by This.
@param[out] InfoTypesBufferCount A pointer to the number of GUIDs present in InfoTypesBuffer.
@retval EFI_SUCCESS The list of information type GUIDs that are supported on this adapter was
returned in InfoTypesBuffer. The number of information type GUIDs was
returned in InfoTypesBufferCount.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER InfoTypesBuffer is NULL.
@retval EFI_INVALID_PARAMETER InfoTypesBufferCount is NULL.
@retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the results.
**/
EFI_STATUS
EFIAPI
HstiAipGetSupportedTypes (
IN EFI_ADAPTER_INFORMATION_PROTOCOL *This,
OUT EFI_GUID **InfoTypesBuffer,
OUT UINTN *InfoTypesBufferCount
)
{
if ((This == NULL) || (InfoTypesBuffer == NULL) || (InfoTypesBufferCount == NULL)) {
return EFI_INVALID_PARAMETER;
}
*InfoTypesBuffer = AllocateCopyPool (sizeof (gAdapterInfoPlatformSecurityGuid), &gAdapterInfoPlatformSecurityGuid);
if (*InfoTypesBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
*InfoTypesBufferCount = 1;
return EFI_SUCCESS;
}
EFI_ADAPTER_INFORMATION_PROTOCOL mAdapterInformationProtocol = {
HstiAipGetInfo,
HstiAipSetInfo,
HstiAipGetSupportedTypes,
};
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