xref: /linux/arch/x86/mm/pf_in.h (revision 8fa5723aa7e053d498336b48448b292fc2e0458b)
1 /*
2  *  Fault Injection Test harness (FI)
3  *  Copyright (C) Intel Crop.
4  *
5  *  This program is free software; you can redistribute it and/or
6  *  modify it under the terms of the GNU General Public License
7  *  as published by the Free Software Foundation; either version 2
8  *  of the License, or (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,
18  *  USA.
19  *
20  */
21 
22 #ifndef __PF_H_
23 #define __PF_H_
24 
25 enum reason_type {
26 	NOT_ME,	/* page fault is not in regions */
27 	NOTHING,	/* access others point in regions */
28 	REG_READ,	/* read from addr to reg */
29 	REG_WRITE,	/* write from reg to addr */
30 	IMM_WRITE,	/* write from imm to addr */
31 	OTHERS	/* Other instructions can not intercept */
32 };
33 
34 enum reason_type get_ins_type(unsigned long ins_addr);
35 unsigned int get_ins_mem_width(unsigned long ins_addr);
36 unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs);
37 unsigned long get_ins_imm_val(unsigned long ins_addr);
38 
39 #endif /* __PF_H_ */
40