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71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/** @file
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NvmExpressDxe driver is used to manage non-volatile memory subsystem which follows
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NVM Express specification.
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(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
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Copyright (c) 2013 - 2015, 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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#ifndef _NVME_HCI_H_
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#define _NVME_HCI_H_
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#define NVME_BAR 0
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//
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// Offset from the beginning of private data queue buffer
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//
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#define NVME_ASQ_BUF_OFFSET EFI_PAGE_SIZE
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/**
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Initialize the Nvm Express controller.
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@param[in] Private The pointer to the NVME_CONTROLLER_PRIVATE_DATA data structure.
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@retval EFI_SUCCESS The NVM Express Controller is initialized successfully.
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@retval Others A device error occurred while initializing the controller.
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**/
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EFI_STATUS
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NvmeControllerInit (
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IN NVME_CONTROLLER_PRIVATE_DATA *Private
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);
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/**
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Get identify controller data.
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@param Private The pointer to the NVME_CONTROLLER_PRIVATE_DATA data structure.
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@param Buffer The buffer used to store the identify controller data.
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@return EFI_SUCCESS Successfully get the identify controller data.
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@return EFI_DEVICE_ERROR Fail to get the identify controller data.
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**/
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EFI_STATUS
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NvmeIdentifyController (
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IN NVME_CONTROLLER_PRIVATE_DATA *Private,
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IN VOID *Buffer
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);
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/**
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Get specified identify namespace data.
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@param Private The pointer to the NVME_CONTROLLER_PRIVATE_DATA data structure.
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@param NamespaceId The specified namespace identifier.
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@param Buffer The buffer used to store the identify namespace data.
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@return EFI_SUCCESS Successfully get the identify namespace data.
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@return EFI_DEVICE_ERROR Fail to get the identify namespace data.
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**/
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EFI_STATUS
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NvmeIdentifyNamespace (
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IN NVME_CONTROLLER_PRIVATE_DATA *Private,
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IN UINT32 NamespaceId,
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IN VOID *Buffer
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);
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#endif
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