18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
28c2ecf20Sopenharmony_ci#ifndef _S390_UAPI_RUNTIME_INSTR_H
38c2ecf20Sopenharmony_ci#define _S390_UAPI_RUNTIME_INSTR_H
48c2ecf20Sopenharmony_ci
58c2ecf20Sopenharmony_ci#include <linux/types.h>
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ci#define S390_RUNTIME_INSTR_START	0x1
88c2ecf20Sopenharmony_ci#define S390_RUNTIME_INSTR_STOP		0x2
98c2ecf20Sopenharmony_ci
108c2ecf20Sopenharmony_cistruct runtime_instr_cb {
118c2ecf20Sopenharmony_ci	__u64 rca;
128c2ecf20Sopenharmony_ci	__u64 roa;
138c2ecf20Sopenharmony_ci	__u64 rla;
148c2ecf20Sopenharmony_ci
158c2ecf20Sopenharmony_ci	__u32 v			: 1;
168c2ecf20Sopenharmony_ci	__u32 s			: 1;
178c2ecf20Sopenharmony_ci	__u32 k			: 1;
188c2ecf20Sopenharmony_ci	__u32 h			: 1;
198c2ecf20Sopenharmony_ci	__u32 a			: 1;
208c2ecf20Sopenharmony_ci	__u32 reserved1		: 3;
218c2ecf20Sopenharmony_ci	__u32 ps		: 1;
228c2ecf20Sopenharmony_ci	__u32 qs		: 1;
238c2ecf20Sopenharmony_ci	__u32 pc		: 1;
248c2ecf20Sopenharmony_ci	__u32 qc		: 1;
258c2ecf20Sopenharmony_ci	__u32 reserved2		: 1;
268c2ecf20Sopenharmony_ci	__u32 g			: 1;
278c2ecf20Sopenharmony_ci	__u32 u			: 1;
288c2ecf20Sopenharmony_ci	__u32 l			: 1;
298c2ecf20Sopenharmony_ci	__u32 key		: 4;
308c2ecf20Sopenharmony_ci	__u32 reserved3		: 8;
318c2ecf20Sopenharmony_ci	__u32 t			: 1;
328c2ecf20Sopenharmony_ci	__u32 rgs		: 3;
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_ci	__u32 m			: 4;
358c2ecf20Sopenharmony_ci	__u32 n			: 1;
368c2ecf20Sopenharmony_ci	__u32 mae		: 1;
378c2ecf20Sopenharmony_ci	__u32 reserved4		: 2;
388c2ecf20Sopenharmony_ci	__u32 c			: 1;
398c2ecf20Sopenharmony_ci	__u32 r			: 1;
408c2ecf20Sopenharmony_ci	__u32 b			: 1;
418c2ecf20Sopenharmony_ci	__u32 j			: 1;
428c2ecf20Sopenharmony_ci	__u32 e			: 1;
438c2ecf20Sopenharmony_ci	__u32 x			: 1;
448c2ecf20Sopenharmony_ci	__u32 reserved5		: 2;
458c2ecf20Sopenharmony_ci	__u32 bpxn		: 1;
468c2ecf20Sopenharmony_ci	__u32 bpxt		: 1;
478c2ecf20Sopenharmony_ci	__u32 bpti		: 1;
488c2ecf20Sopenharmony_ci	__u32 bpni		: 1;
498c2ecf20Sopenharmony_ci	__u32 reserved6		: 2;
508c2ecf20Sopenharmony_ci
518c2ecf20Sopenharmony_ci	__u32 d			: 1;
528c2ecf20Sopenharmony_ci	__u32 f			: 1;
538c2ecf20Sopenharmony_ci	__u32 ic		: 4;
548c2ecf20Sopenharmony_ci	__u32 dc		: 4;
558c2ecf20Sopenharmony_ci
568c2ecf20Sopenharmony_ci	__u64 reserved7;
578c2ecf20Sopenharmony_ci	__u64 sf;
588c2ecf20Sopenharmony_ci	__u64 rsic;
598c2ecf20Sopenharmony_ci	__u64 reserved8;
608c2ecf20Sopenharmony_ci} __attribute__((__packed__, __aligned__(8)));
618c2ecf20Sopenharmony_ci
628c2ecf20Sopenharmony_cistatic inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)
638c2ecf20Sopenharmony_ci{
648c2ecf20Sopenharmony_ci	asm volatile(".insn	rsy,0xeb0000000060,0,0,%0"	/* LRIC */
658c2ecf20Sopenharmony_ci		: : "Q" (*cb));
668c2ecf20Sopenharmony_ci}
678c2ecf20Sopenharmony_ci
688c2ecf20Sopenharmony_cistatic inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)
698c2ecf20Sopenharmony_ci{
708c2ecf20Sopenharmony_ci	asm volatile(".insn	rsy,0xeb0000000061,0,0,%0"	/* STRIC */
718c2ecf20Sopenharmony_ci		: "=Q" (*cb) : : "cc");
728c2ecf20Sopenharmony_ci}
738c2ecf20Sopenharmony_ci
748c2ecf20Sopenharmony_ci#endif /* _S390_UAPI_RUNTIME_INSTR_H */
75