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/** @file
NvmExpressDxe driver is used to manage non-volatile memory subsystem which follows
NVM Express specification.
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _NVME_HCI_H_
#define _NVME_HCI_H_
#define NVME_BAR 0
//
// Offset from the beginning of private data queue buffer
//
#define NVME_ASQ_BUF_OFFSET EFI_PAGE_SIZE
/**
Initialize the Nvm Express controller.
@param[in] Private The pointer to the NVME_CONTROLLER_PRIVATE_DATA data structure.
@retval EFI_SUCCESS The NVM Express Controller is initialized successfully.
@retval Others A device error occurred while initializing the controller.
**/
EFI_STATUS
NvmeControllerInit (
IN NVME_CONTROLLER_PRIVATE_DATA *Private
);
/**
Get identify controller data.
@param Private The pointer to the NVME_CONTROLLER_PRIVATE_DATA data structure.
@param Buffer The buffer used to store the identify controller data.
@return EFI_SUCCESS Successfully get the identify controller data.
@return EFI_DEVICE_ERROR Fail to get the identify controller data.
**/
EFI_STATUS
NvmeIdentifyController (
IN NVME_CONTROLLER_PRIVATE_DATA *Private,
IN VOID *Buffer
);
/**
Get specified identify namespace data.
@param Private The pointer to the NVME_CONTROLLER_PRIVATE_DATA data structure.
@param NamespaceId The specified namespace identifier.
@param Buffer The buffer used to store the identify namespace data.
@return EFI_SUCCESS Successfully get the identify namespace data.
@return EFI_DEVICE_ERROR Fail to get the identify namespace data.
**/
EFI_STATUS
NvmeIdentifyNamespace (
IN NVME_CONTROLLER_PRIVATE_DATA *Private,
IN UINT32 NamespaceId,
IN VOID *Buffer
);
#endif
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