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