kernel/swap/us_manager/probes/probe_info_new.h

   1 #ifndef _PROBE_INFO_NEW_H
   2 #define _PROBE_INFO_NEW_H
   3
   4 /*
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  *
  19  * Copyright (C) Samsung Electronics, 2015
  20  *
  21  * 2015         Vyacheslav Cherkashin <v.cherkashin@samsung.com>
  22  *
  23  */
  24
  25
  26 #include <kprobe/swap_kprobes.h>
  27 #include <uprobe/swap_uprobes.h>
  28 #include "probes.h"
  29
  30
  31 struct dentry;
  32 struct pf_group;
  33
  34
  35 struct probe_info_new {
  36         enum probe_t type;
  37         union {
  38                 struct {
  39                         kprobe_pre_handler_t handler;
  40                 } p;
  41
  42                 struct {
  43                         uretprobe_handler_t entry_handler;
  44                         uretprobe_handler_t ret_handler;
  45                         /*
  46                          * FIXME: make dynamic size,
  47                          *        currently data_size = sizeof(void *)
  48                          */
  49                         size_t data_size;
  50                 } rp;
  51         } u;
  52
  53         /* private */
  54         struct probe_info *info;
  55 };
  56
  57
  58 struct probe_new {
  59         unsigned long offset;
  60         struct probe_info_new *info;
  61 };
  62
  63
  64 #define MAKE_UPROBE(_handler)                           \
  65         {                                               \
  66                 .type = SWAP_NEW_UP,                    \
  67                 .u.p.handler = _handler                 \
  68         }
  69
  70 #define MAKE_URPROBE(_entry, _ret, _size)               \
  71         {                                               \
  72                 .type = SWAP_NEW_URP,                   \
  73                 .u.rp.entry_handler = _entry,           \
  74                 .u.rp.ret_handler = _ret,               \
  75                 .u.rp.data_size = _size                 \
  76         }
  77
  78 struct probe_info_otg {
  79         struct probe_info info;
  80         struct probe_info_new *data;    /* field 'data[0]' in probe_info struct */
  81 };
  82
  83 void pin_set_probe(struct probe_info_otg *otg, unsigned long vaddr);
  84
  85 int pin_register(struct probe_new *probe, struct pf_group *pfg,
  86                  struct dentry *dentry);
  87 int pin_unregister(struct probe_new *probe, struct pf_group *pfg,
  88                    struct dentry *dentry);
  89
  90
  91 int pin_init(void);
  92 void pin_exit(void);
  93
  94
  95 #endif /* _PROBE_INFO_NEW_H */