include/qemu/pmem.h

   1 /*
   2  * QEMU header file for libpmem.
   3  *
   4  * Copyright (c) 2018 Intel Corporation.
   5  *
   6  * Author: Haozhong Zhang <address@hidden>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   9  * See the COPYING file in the top-level directory.
  10  */
  11
  12 #ifndef QEMU_PMEM_H
  13 #define QEMU_PMEM_H
  14
  15 #ifdef CONFIG_LIBPMEM
  16 #include <libpmem.h>
  17 #else  /* !CONFIG_LIBPMEM */
  18
  19 static inline void *
  20 pmem_memcpy_persist(void *pmemdest, const void *src, size_t len)
  21 {
  22     /* If 'pmem' option is 'on', we should always have libpmem support,
  23        or qemu will report a error and exit, never come here. */
  24     g_assert_not_reached();
  25     return NULL;
  26 }
  27
  28 static inline void
  29 pmem_persist(const void *addr, size_t len)
  30 {
  31     g_assert_not_reached();
  32 }
  33
  34 #endif /* CONFIG_LIBPMEM */
  35
  36 #endif /* QEMU_PMEM_H */