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/* C:B**************************************************************************
This software is Copyright 2014-2017 Bright Plaza Inc. <drivetrust@drivetrust.com>
This file is part of sedutil.
sedutil is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
sedutil is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with sedutil. If not, see <http://www.gnu.org/licenses/>.
* C:E********************************************************************** */
#pragma once
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0)
#include <linux/nvme_ioctl.h>
#else
#include <linux/nvme.h>
#endif
#include "DtaStructures.h"
#include "DtaDevLinuxDrive.h"
/** Linux specific implementation of DtaDevOS.
* Uses the NVMe to send commands to the
* device
*/
#define is_aligned(POINTER, BYTE_COUNT) \
(((uintptr_t)(const void *)(POINTER)) % (BYTE_COUNT) == 0)
class DtaDevLinuxNvme: public DtaDevLinuxDrive{
public:
/** Default constructor */
DtaDevLinuxNvme();
/** Destructor */
~DtaDevLinuxNvme();
/** NVMe specific initialization.
* This function should perform the necessary authority and environment checking
* to allow proper functioning of the program, open the device, perform an ATA
* identify, add the fields from the identify response to the disk info structure
* and if the device is an ATA device perform a call to Discovery0() to complete
* the disk_info structure
* @param devref character representation of the device is standard OS lexicon
*/
bool init(const char * devref);
/** NVMe specific method to send a command to the device
* @param cmd command to be sent to the device
* @param protocol security protocol to be used in the command
* @param comID communications ID to be used
* @param buffer input/output buffer
* @param bufferlen length of the input/output buffer
*/
uint8_t sendCmd(ATACOMMAND cmd, uint8_t protocol, uint16_t comID,
void * buffer, uint32_t bufferlen);
/** NVMe specific routine to send an identify to the device */
void identify(OPAL_DiskInfo& disk_info);
int fd; /**< Linux handle for the device */
};
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