| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_X86_TRAP_PF_H |
| #define _ASM_X86_TRAP_PF_H |
| |
| #include <linux/bits.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 6 == 1: shadow stack access fault |
| * bit 15 == 1: SGX MMU page-fault |
| * bit 31 == 1: fault was due to RMP violation |
| */ |
| enum x86_pf_error_code { |
| X86_PF_PROT = BIT(0), |
| X86_PF_WRITE = BIT(1), |
| X86_PF_USER = BIT(2), |
| X86_PF_RSVD = BIT(3), |
| X86_PF_INSTR = BIT(4), |
| X86_PF_PK = BIT(5), |
| X86_PF_SHSTK = BIT(6), |
| X86_PF_SGX = BIT(15), |
| X86_PF_RMP = BIT(31), |
| }; |
| |
| #endif /* _ASM_X86_TRAP_PF_H */ |
