/** @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 |