/* SPDX-License-Identifier: GPL-2.0-only */ /* * s390x processor specific defines */ #ifndef SELFTEST_KVM_PROCESSOR_H #define SELFTEST_KVM_PROCESSOR_H #include <linux/compiler.h> /* Bits in the region/segment table entry */ #define REGION_ENTRY_ORIGIN ~0xfffUL /* region/segment table origin */ #define REGION_ENTRY_PROTECT 0x200 /* region protection bit */ #define REGION_ENTRY_NOEXEC 0x100 /* region no-execute bit */ #define REGION_ENTRY_OFFSET 0xc0 /* region table offset */ #define REGION_ENTRY_INVALID 0x20 /* invalid region table entry */ #define REGION_ENTRY_TYPE 0x0c /* region/segment table type mask */ #define REGION_ENTRY_LENGTH 0x03 /* region third length */ /* Bits in the page table entry */ #define PAGE_INVALID 0x400 /* HW invalid bit */ #define PAGE_PROTECT 0x200 /* HW read-only bit */ #define PAGE_NOEXEC 0x100 /* HW no-execute bit */ /* Is there a portable way to do this? */ static inline void cpu_relax(void) { barrier(); } #endif