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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dm-audit.h (1814B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Creating audit records for mapped devices.
      4 *
      5 * Copyright (C) 2021 Fraunhofer AISEC. All rights reserved.
      6 *
      7 * Authors: Michael Weiß <michael.weiss@aisec.fraunhofer.de>
      8 */
      9
     10#ifndef DM_AUDIT_H
     11#define DM_AUDIT_H
     12
     13#include <linux/device-mapper.h>
     14#include <linux/audit.h>
     15
     16#ifdef CONFIG_DM_AUDIT
     17void dm_audit_log_bio(const char *dm_msg_prefix, const char *op,
     18		      struct bio *bio, sector_t sector, int result);
     19
     20/*
     21 * dm_audit_log_ti() is not intended to be used directly in dm modules,
     22 * the wrapper functions below should be called by dm modules instead.
     23 */
     24void dm_audit_log_ti(int audit_type, const char *dm_msg_prefix, const char *op,
     25		     struct dm_target *ti, int result);
     26
     27static inline void dm_audit_log_ctr(const char *dm_msg_prefix,
     28				    struct dm_target *ti, int result)
     29{
     30	dm_audit_log_ti(AUDIT_DM_CTRL, dm_msg_prefix, "ctr", ti, result);
     31}
     32
     33static inline void dm_audit_log_dtr(const char *dm_msg_prefix,
     34				    struct dm_target *ti, int result)
     35{
     36	dm_audit_log_ti(AUDIT_DM_CTRL, dm_msg_prefix, "dtr", ti, result);
     37}
     38
     39static inline void dm_audit_log_target(const char *dm_msg_prefix, const char *op,
     40				       struct dm_target *ti, int result)
     41{
     42	dm_audit_log_ti(AUDIT_DM_EVENT, dm_msg_prefix, op, ti, result);
     43}
     44#else
     45static inline void dm_audit_log_bio(const char *dm_msg_prefix, const char *op,
     46				    struct bio *bio, sector_t sector,
     47				    int result)
     48{
     49}
     50static inline void dm_audit_log_target(const char *dm_msg_prefix,
     51				       const char *op, struct dm_target *ti,
     52				       int result)
     53{
     54}
     55static inline void dm_audit_log_ctr(const char *dm_msg_prefix,
     56				    struct dm_target *ti, int result)
     57{
     58}
     59
     60static inline void dm_audit_log_dtr(const char *dm_msg_prefix,
     61				    struct dm_target *ti, int result)
     62{
     63}
     64#endif
     65
     66#endif