1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_TRAP_PF_H
3#define _ASM_X86_TRAP_PF_H
4
5#include <linux/bits.h>
6
7/*
8 * Page fault error code bits:
9 *
10 *   bit 0 ==	 0: no page found	1: protection fault
11 *   bit 1 ==	 0: read access		1: write access
12 *   bit 2 ==	 0: kernel-mode access	1: user-mode access
13 *   bit 3 ==				1: use of reserved bit detected
14 *   bit 4 ==				1: fault was an instruction fetch
15 *   bit 5 ==				1: protection keys block access
16 *   bit 6 ==				1: shadow stack access fault
17 *   bit 15 ==				1: SGX MMU page-fault
18 *   bit 31 ==				1: fault was due to RMP violation
19 */
20enum x86_pf_error_code {
21	X86_PF_PROT	=		BIT(0),
22	X86_PF_WRITE	=		BIT(1),
23	X86_PF_USER	=		BIT(2),
24	X86_PF_RSVD	=		BIT(3),
25	X86_PF_INSTR	=		BIT(4),
26	X86_PF_PK	=		BIT(5),
27	X86_PF_SHSTK	=		BIT(6),
28	X86_PF_SGX	=		BIT(15),
29	X86_PF_RMP	=		BIT(31),
30};
31
32#endif /* _ASM_X86_TRAP_PF_H */
33