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/** @file
This file is used to implement the EFI_DISK_INFO_PROTOCOL interface..
Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "NvmExpress.h"
EFI_DISK_INFO_PROTOCOL gNvmExpressDiskInfoProtocolTemplate = {
EFI_DISK_INFO_NVME_INTERFACE_GUID,
NvmExpressDiskInfoInquiry,
NvmExpressDiskInfoIdentify,
NvmExpressDiskInfoSenseData,
NvmExpressDiskInfoWhichIde
};
/**
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 NVME interface GUID.
@param[in] Device The pointer of NVME_DEVICE_PRIVATE_DATA.
**/
VOID
InitializeDiskInfo (
IN NVME_DEVICE_PRIVATE_DATA *Device
)
{
CopyMem (&Device->DiskInfo, &gNvmExpressDiskInfoProtocolTemplate, sizeof (EFI_DISK_INFO_PROTOCOL));
}
/**
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
NvmExpressDiskInfoInquiry (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *InquiryData,
IN OUT UINT32 *InquiryDataSize
)
{
return EFI_NOT_FOUND;
}
/**
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
NvmExpressDiskInfoIdentify (
IN EFI_DISK_INFO_PROTOCOL *This,
IN OUT VOID *IdentifyData,
IN OUT UINT32 *IdentifyDataSize
)
{
EFI_STATUS Status;
NVME_DEVICE_PRIVATE_DATA *Device;
Device = NVME_DEVICE_PRIVATE_DATA_FROM_DISK_INFO (This);
Status = EFI_BUFFER_TOO_SMALL;
if (*IdentifyDataSize >= sizeof (Device->NamespaceData)) {
Status = EFI_SUCCESS;
CopyMem (IdentifyData, &Device->NamespaceData, sizeof (Device->NamespaceData));
}
*IdentifyDataSize = sizeof (Device->NamespaceData);
return Status;
}
/**
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
NvmExpressDiskInfoSenseData (
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
NvmExpressDiskInfoWhichIde (
IN EFI_DISK_INFO_PROTOCOL *This,
OUT UINT32 *IdeChannel,
OUT UINT32 *IdeDevice
)
{
return EFI_UNSUPPORTED;
}
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