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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright © 2016 Intel Corporation
*
* Authors:
* Rafael Antognolli <rafael.antognolli@intel.com>
* Scott Bauer <scott.bauer@intel.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*/
#ifndef _SED_OPAL_H
#define _SED_OPAL_H
#include <linux/types.h>
#define OPAL_KEY_MAX 256
#define OPAL_MAX_LRS 9
enum opal_mbr {
OPAL_MBR_ENABLE = 0x0,
OPAL_MBR_DISABLE = 0x01,
};
enum opal_user {
OPAL_ADMIN1 = 0x0,
OPAL_USER1 = 0x01,
OPAL_USER2 = 0x02,
OPAL_USER3 = 0x03,
OPAL_USER4 = 0x04,
OPAL_USER5 = 0x05,
OPAL_USER6 = 0x06,
OPAL_USER7 = 0x07,
OPAL_USER8 = 0x08,
OPAL_USER9 = 0x09,
};
enum opal_lock_state {
OPAL_RO = 0x01, /* 0001 */
OPAL_RW = 0x02, /* 0010 */
OPAL_LK = 0x04, /* 0100 */
};
struct opal_key {
__u8 lr;
__u8 key_len;
__u8 __align[6];
__u8 key[OPAL_KEY_MAX];
};
struct opal_lr_act {
struct opal_key key;
__u32 sum;
__u8 num_lrs;
__u8 lr[OPAL_MAX_LRS];
__u8 align[2]; /* Align to 8 byte boundary */
};
struct opal_session_info {
__u32 sum;
__u32 who;
struct opal_key opal_key;
};
struct opal_user_lr_setup {
__u64 range_start;
__u64 range_length;
__u32 RLE; /* Read Lock enabled */
__u32 WLE; /* Write Lock Enabled */
struct opal_session_info session;
};
struct opal_lock_unlock {
struct opal_session_info session;
__u32 l_state;
__u8 __align[4];
};
struct opal_new_pw {
struct opal_session_info session;
/* When we're not operating in sum, and we first set
* passwords we need to set them via ADMIN authority.
* After passwords are changed, we can set them via,
* User authorities.
* Because of this restriction we need to know about
* Two different users. One in 'session' which we will use
* to start the session and new_userr_pw as the user we're
* chaning the pw for.
*/
struct opal_session_info new_user_pw;
};
struct opal_mbr_data {
struct opal_key key;
__u8 enable_disable;
__u8 __align[7];
};
#define IOC_OPAL_SAVE _IOW('p', 220, struct opal_lock_unlock)
#define IOC_OPAL_LOCK_UNLOCK _IOW('p', 221, struct opal_lock_unlock)
#define IOC_OPAL_TAKE_OWNERSHIP _IOW('p', 222, struct opal_key)
#define IOC_OPAL_ACTIVATE_LSP _IOW('p', 223, struct opal_lr_act)
#define IOC_OPAL_SET_PW _IOW('p', 224, struct opal_new_pw)
#define IOC_OPAL_ACTIVATE_USR _IOW('p', 225, struct opal_session_info)
#define IOC_OPAL_REVERT_TPR _IOW('p', 226, struct opal_key)
#define IOC_OPAL_LR_SETUP _IOW('p', 227, struct opal_user_lr_setup)
#define IOC_OPAL_ADD_USR_TO_LR _IOW('p', 228, struct opal_lock_unlock)
#define IOC_OPAL_ENABLE_DISABLE_MBR _IOW('p', 229, struct opal_mbr_data)
#define IOC_OPAL_ERASE_LR _IOW('p', 230, struct opal_session_info)
#define IOC_OPAL_SECURE_ERASE_LR _IOW('p', 231, struct opal_session_info)
#endif /* _SED_OPAL_H */
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