mirror of https://github.com/acidanthera/audk.git
157 lines
4.9 KiB
C
157 lines
4.9 KiB
C
/** @file
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This file is used to implement the EFI_DISK_INFO_PROTOCOL interface..
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Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "NvmExpress.h"
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EFI_DISK_INFO_PROTOCOL gNvmExpressDiskInfoProtocolTemplate = {
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EFI_DISK_INFO_NVME_INTERFACE_GUID,
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NvmExpressDiskInfoInquiry,
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NvmExpressDiskInfoIdentify,
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NvmExpressDiskInfoSenseData,
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NvmExpressDiskInfoWhichIde
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};
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/**
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Initialize the installation of DiskInfo protocol.
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This function prepares for the installation of DiskInfo protocol on the child handle.
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By default, it installs DiskInfo protocol with NVME interface GUID.
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@param[in] Device The pointer of NVME_DEVICE_PRIVATE_DATA.
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**/
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VOID
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InitializeDiskInfo (
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IN NVME_DEVICE_PRIVATE_DATA *Device
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)
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{
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CopyMem (&Device->DiskInfo, &gNvmExpressDiskInfoProtocolTemplate, sizeof (EFI_DISK_INFO_PROTOCOL));
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}
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/**
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Provides inquiry information for the controller type.
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This function is used to get inquiry data. Data format
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of Identify data is defined by the Interface GUID.
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@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
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@param[in, out] InquiryData Pointer to a buffer for the inquiry data.
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@param[in, out] InquiryDataSize Pointer to the value for the inquiry data size.
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@retval EFI_SUCCESS The command was accepted without any errors.
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@retval EFI_NOT_FOUND Device does not support this data class
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@retval EFI_DEVICE_ERROR Error reading InquiryData from device
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@retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough
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**/
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EFI_STATUS
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EFIAPI
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NvmExpressDiskInfoInquiry (
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IN EFI_DISK_INFO_PROTOCOL *This,
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IN OUT VOID *InquiryData,
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IN OUT UINT32 *InquiryDataSize
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)
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{
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return EFI_NOT_FOUND;
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}
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/**
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Provides identify information for the controller type.
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This function is used to get identify data. Data format
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of Identify data is defined by the Interface GUID.
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@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL
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instance.
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@param[in, out] IdentifyData Pointer to a buffer for the identify data.
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@param[in, out] IdentifyDataSize Pointer to the value for the identify data
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size.
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@retval EFI_SUCCESS The command was accepted without any errors.
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@retval EFI_NOT_FOUND Device does not support this data class
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@retval EFI_DEVICE_ERROR Error reading IdentifyData from device
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@retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough
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**/
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EFI_STATUS
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EFIAPI
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NvmExpressDiskInfoIdentify (
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IN EFI_DISK_INFO_PROTOCOL *This,
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IN OUT VOID *IdentifyData,
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IN OUT UINT32 *IdentifyDataSize
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)
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{
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EFI_STATUS Status;
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NVME_DEVICE_PRIVATE_DATA *Device;
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Device = NVME_DEVICE_PRIVATE_DATA_FROM_DISK_INFO (This);
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Status = EFI_BUFFER_TOO_SMALL;
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if (*IdentifyDataSize >= sizeof (Device->NamespaceData)) {
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Status = EFI_SUCCESS;
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CopyMem (IdentifyData, &Device->NamespaceData, sizeof (Device->NamespaceData));
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}
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*IdentifyDataSize = sizeof (Device->NamespaceData);
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return Status;
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}
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/**
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Provides sense data information for the controller type.
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This function is used to get sense data.
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Data format of Sense data is defined by the Interface GUID.
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@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
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@param[in, out] SenseData Pointer to the SenseData.
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@param[in, out] SenseDataSize Size of SenseData in bytes.
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@param[out] SenseDataNumber Pointer to the value for the sense data size.
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@retval EFI_SUCCESS The command was accepted without any errors.
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@retval EFI_NOT_FOUND Device does not support this data class.
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@retval EFI_DEVICE_ERROR Error reading SenseData from device.
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@retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough.
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**/
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EFI_STATUS
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EFIAPI
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NvmExpressDiskInfoSenseData (
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IN EFI_DISK_INFO_PROTOCOL *This,
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IN OUT VOID *SenseData,
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IN OUT UINT32 *SenseDataSize,
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OUT UINT8 *SenseDataNumber
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)
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{
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return EFI_NOT_FOUND;
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}
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/**
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This function is used to get controller information.
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@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
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@param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.
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@param[out] IdeDevice Pointer to the Ide Device number. Master or slave.
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@retval EFI_SUCCESS IdeChannel and IdeDevice are valid.
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@retval EFI_UNSUPPORTED This is not an IDE device.
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**/
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EFI_STATUS
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EFIAPI
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NvmExpressDiskInfoWhichIde (
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IN EFI_DISK_INFO_PROTOCOL *This,
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OUT UINT32 *IdeChannel,
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OUT UINT32 *IdeDevice
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)
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{
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return EFI_UNSUPPORTED;
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}
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