/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_TRAP_PF_H #define _ASM_X86_TRAP_PF_H /* * Page fault error code bits: * * bit 0 == 0: no page found 1: protection fault * bit 1 == 0: read access 1: write access * bit 2 == 0: kernel-mode access 1: user-mode access * bit 3 == 1: use of reserved bit detected * bit 4 == 1: fault was an instruction fetch * bit 5 == 1: protection keys block access * bit 15 == 1: SGX MMU page-fault */ enum x86_pf_error_code { X86_PF_PROT = 1 << 0, X86_PF_WRITE = 1 << 1, X86_PF_USER = 1 << 2, X86_PF_RSVD = 1 << 3, X86_PF_INSTR = 1 << 4, X86_PF_PK = 1 << 5, X86_PF_SGX = 1 << 15, }; #endif /* _ASM_X86_TRAP_PF_H */