cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sed-opal.h (3777B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/*
      3 * Copyright © 2016 Intel Corporation
      4 *
      5 * Authors:
      6 *    Rafael Antognolli <rafael.antognolli@intel.com>
      7 *    Scott  Bauer      <scott.bauer@intel.com>
      8 */
      9
     10#ifndef _UAPI_SED_OPAL_H
     11#define _UAPI_SED_OPAL_H
     12
     13#include <linux/types.h>
     14
     15#define OPAL_KEY_MAX 256
     16#define OPAL_MAX_LRS 9
     17
     18enum opal_mbr {
     19	OPAL_MBR_ENABLE = 0x0,
     20	OPAL_MBR_DISABLE = 0x01,
     21};
     22
     23enum opal_mbr_done_flag {
     24	OPAL_MBR_NOT_DONE = 0x0,
     25	OPAL_MBR_DONE = 0x01
     26};
     27
     28enum opal_user {
     29	OPAL_ADMIN1 = 0x0,
     30	OPAL_USER1 = 0x01,
     31	OPAL_USER2 = 0x02,
     32	OPAL_USER3 = 0x03,
     33	OPAL_USER4 = 0x04,
     34	OPAL_USER5 = 0x05,
     35	OPAL_USER6 = 0x06,
     36	OPAL_USER7 = 0x07,
     37	OPAL_USER8 = 0x08,
     38	OPAL_USER9 = 0x09,
     39};
     40
     41enum opal_lock_state {
     42	OPAL_RO = 0x01, /* 0001 */
     43	OPAL_RW = 0x02, /* 0010 */
     44	OPAL_LK = 0x04, /* 0100 */
     45};
     46
     47struct opal_key {
     48	__u8 lr;
     49	__u8 key_len;
     50	__u8 __align[6];
     51	__u8 key[OPAL_KEY_MAX];
     52};
     53
     54struct opal_lr_act {
     55	struct opal_key key;
     56	__u32 sum;
     57	__u8 num_lrs;
     58	__u8 lr[OPAL_MAX_LRS];
     59	__u8 align[2]; /* Align to 8 byte boundary */
     60};
     61
     62struct opal_session_info {
     63	__u32 sum;
     64	__u32 who;
     65	struct opal_key opal_key;
     66};
     67
     68struct opal_user_lr_setup {
     69	__u64 range_start;
     70	__u64 range_length;
     71	__u32 RLE; /* Read Lock enabled */
     72	__u32 WLE; /* Write Lock Enabled */
     73	struct opal_session_info session;
     74};
     75
     76struct opal_lock_unlock {
     77	struct opal_session_info session;
     78	__u32 l_state;
     79	__u8 __align[4];
     80};
     81
     82struct opal_new_pw {
     83	struct opal_session_info session;
     84
     85	/* When we're not operating in sum, and we first set
     86	 * passwords we need to set them via ADMIN authority.
     87	 * After passwords are changed, we can set them via,
     88	 * User authorities.
     89	 * Because of this restriction we need to know about
     90	 * Two different users. One in 'session' which we will use
     91	 * to start the session and new_userr_pw as the user we're
     92	 * chaning the pw for.
     93	 */
     94	struct opal_session_info new_user_pw;
     95};
     96
     97struct opal_mbr_data {
     98	struct opal_key key;
     99	__u8 enable_disable;
    100	__u8 __align[7];
    101};
    102
    103struct opal_mbr_done {
    104	struct opal_key key;
    105	__u8 done_flag;
    106	__u8 __align[7];
    107};
    108
    109struct opal_shadow_mbr {
    110	struct opal_key key;
    111	const __u64 data;
    112	__u64 offset;
    113	__u64 size;
    114};
    115
    116/* Opal table operations */
    117enum opal_table_ops {
    118	OPAL_READ_TABLE,
    119	OPAL_WRITE_TABLE,
    120};
    121
    122#define OPAL_UID_LENGTH 8
    123struct opal_read_write_table {
    124	struct opal_key key;
    125	const __u64 data;
    126	const __u8 table_uid[OPAL_UID_LENGTH];
    127	__u64 offset;
    128	__u64 size;
    129#define OPAL_TABLE_READ (1 << OPAL_READ_TABLE)
    130#define OPAL_TABLE_WRITE (1 << OPAL_WRITE_TABLE)
    131	__u64 flags;
    132	__u64 priv;
    133};
    134
    135#define IOC_OPAL_SAVE		    _IOW('p', 220, struct opal_lock_unlock)
    136#define IOC_OPAL_LOCK_UNLOCK	    _IOW('p', 221, struct opal_lock_unlock)
    137#define IOC_OPAL_TAKE_OWNERSHIP	    _IOW('p', 222, struct opal_key)
    138#define IOC_OPAL_ACTIVATE_LSP       _IOW('p', 223, struct opal_lr_act)
    139#define IOC_OPAL_SET_PW             _IOW('p', 224, struct opal_new_pw)
    140#define IOC_OPAL_ACTIVATE_USR       _IOW('p', 225, struct opal_session_info)
    141#define IOC_OPAL_REVERT_TPR         _IOW('p', 226, struct opal_key)
    142#define IOC_OPAL_LR_SETUP           _IOW('p', 227, struct opal_user_lr_setup)
    143#define IOC_OPAL_ADD_USR_TO_LR      _IOW('p', 228, struct opal_lock_unlock)
    144#define IOC_OPAL_ENABLE_DISABLE_MBR _IOW('p', 229, struct opal_mbr_data)
    145#define IOC_OPAL_ERASE_LR           _IOW('p', 230, struct opal_session_info)
    146#define IOC_OPAL_SECURE_ERASE_LR    _IOW('p', 231, struct opal_session_info)
    147#define IOC_OPAL_PSID_REVERT_TPR    _IOW('p', 232, struct opal_key)
    148#define IOC_OPAL_MBR_DONE           _IOW('p', 233, struct opal_mbr_done)
    149#define IOC_OPAL_WRITE_SHADOW_MBR   _IOW('p', 234, struct opal_shadow_mbr)
    150#define IOC_OPAL_GENERIC_TABLE_RW   _IOW('p', 235, struct opal_read_write_table)
    151
    152#endif /* _UAPI_SED_OPAL_H */