153 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			153 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
/* 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>
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef _UAPI_SED_OPAL_H
 | 
						|
#define _UAPI_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_mbr_done_flag {
 | 
						|
	OPAL_MBR_NOT_DONE = 0x0,
 | 
						|
	OPAL_MBR_DONE = 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];
 | 
						|
};
 | 
						|
 | 
						|
struct opal_mbr_done {
 | 
						|
	struct opal_key key;
 | 
						|
	__u8 done_flag;
 | 
						|
	__u8 __align[7];
 | 
						|
};
 | 
						|
 | 
						|
struct opal_shadow_mbr {
 | 
						|
	struct opal_key key;
 | 
						|
	const __u64 data;
 | 
						|
	__u64 offset;
 | 
						|
	__u64 size;
 | 
						|
};
 | 
						|
 | 
						|
/* Opal table operations */
 | 
						|
enum opal_table_ops {
 | 
						|
	OPAL_READ_TABLE,
 | 
						|
	OPAL_WRITE_TABLE,
 | 
						|
};
 | 
						|
 | 
						|
#define OPAL_UID_LENGTH 8
 | 
						|
struct opal_read_write_table {
 | 
						|
	struct opal_key key;
 | 
						|
	const __u64 data;
 | 
						|
	const __u8 table_uid[OPAL_UID_LENGTH];
 | 
						|
	__u64 offset;
 | 
						|
	__u64 size;
 | 
						|
#define OPAL_TABLE_READ (1 << OPAL_READ_TABLE)
 | 
						|
#define OPAL_TABLE_WRITE (1 << OPAL_WRITE_TABLE)
 | 
						|
	__u64 flags;
 | 
						|
	__u64 priv;
 | 
						|
};
 | 
						|
 | 
						|
#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)
 | 
						|
#define IOC_OPAL_PSID_REVERT_TPR    _IOW('p', 232, struct opal_key)
 | 
						|
#define IOC_OPAL_MBR_DONE           _IOW('p', 233, struct opal_mbr_done)
 | 
						|
#define IOC_OPAL_WRITE_SHADOW_MBR   _IOW('p', 234, struct opal_shadow_mbr)
 | 
						|
#define IOC_OPAL_GENERIC_TABLE_RW   _IOW('p', 235, struct opal_read_write_table)
 | 
						|
 | 
						|
#endif /* _UAPI_SED_OPAL_H */
 |