include/linux/kcore.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * /proc/kcore definitions
   4  */
   5 #ifndef _LINUX_KCORE_H
   6 #define _LINUX_KCORE_H
   7
   8 enum kcore_type {
   9         KCORE_TEXT,
  10         KCORE_VMALLOC,
  11         KCORE_RAM,
  12         KCORE_VMEMMAP,
  13         KCORE_USER,
  14 };
  15
  16 struct kcore_list {
  17         struct list_head list;
  18         unsigned long addr;
  19         size_t size;
  20         int type;
  21 };
  22
  23 struct vmcore {
  24         struct list_head list;
  25         unsigned long long paddr;
  26         unsigned long long size;
  27         loff_t offset;
  28 };
  29
  30 struct vmcoredd_node {
  31         struct list_head list;  /* List of dumps */
  32         void *buf;              /* Buffer containing device's dump */
  33         unsigned int size;      /* Size of the buffer */
  34 };
  35
  36 #ifdef CONFIG_PROC_KCORE
  37 void __init kclist_add(struct kcore_list *, void *, size_t, int type);
  38
  39 extern int __init register_mem_pfn_is_ram(int (*fn)(unsigned long pfn));
  40 #else
  41 static inline
  42 void kclist_add(struct kcore_list *new, void *addr, size_t size, int type)
  43 {
  44 }
  45 #endif
  46
  47 #endif /* _LINUX_KCORE_H */