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