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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util.c (1624B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/******************************************************************************
      3*******************************************************************************
      4**
      5**  Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
      6**
      7**
      8*******************************************************************************
      9******************************************************************************/
     10
     11#include "dlm_internal.h"
     12#include "rcom.h"
     13#include "util.h"
     14
     15#define DLM_ERRNO_EDEADLK		35
     16#define DLM_ERRNO_EBADR			53
     17#define DLM_ERRNO_EBADSLT		57
     18#define DLM_ERRNO_EPROTO		71
     19#define DLM_ERRNO_EOPNOTSUPP		95
     20#define DLM_ERRNO_ETIMEDOUT	       110
     21#define DLM_ERRNO_EINPROGRESS	       115
     22
     23/* higher errno values are inconsistent across architectures, so select
     24   one set of values for on the wire */
     25
     26int to_dlm_errno(int err)
     27{
     28	switch (err) {
     29	case -EDEADLK:
     30		return -DLM_ERRNO_EDEADLK;
     31	case -EBADR:
     32		return -DLM_ERRNO_EBADR;
     33	case -EBADSLT:
     34		return -DLM_ERRNO_EBADSLT;
     35	case -EPROTO:
     36		return -DLM_ERRNO_EPROTO;
     37	case -EOPNOTSUPP:
     38		return -DLM_ERRNO_EOPNOTSUPP;
     39	case -ETIMEDOUT:
     40		return -DLM_ERRNO_ETIMEDOUT;
     41	case -EINPROGRESS:
     42		return -DLM_ERRNO_EINPROGRESS;
     43	}
     44	return err;
     45}
     46
     47int from_dlm_errno(int err)
     48{
     49	switch (err) {
     50	case -DLM_ERRNO_EDEADLK:
     51		return -EDEADLK;
     52	case -DLM_ERRNO_EBADR:
     53		return -EBADR;
     54	case -DLM_ERRNO_EBADSLT:
     55		return -EBADSLT;
     56	case -DLM_ERRNO_EPROTO:
     57		return -EPROTO;
     58	case -DLM_ERRNO_EOPNOTSUPP:
     59		return -EOPNOTSUPP;
     60	case -DLM_ERRNO_ETIMEDOUT:
     61		return -ETIMEDOUT;
     62	case -DLM_ERRNO_EINPROGRESS:
     63		return -EINPROGRESS;
     64	}
     65	return err;
     66}