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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/s390/include/uapi/asm/runtime_instr.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef _S390_UAPI_RUNTIME_INSTR_H

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#define _S390_UAPI_RUNTIME_INSTR_H

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#include <linux/types.h>

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#define S390_RUNTIME_INSTR_START	0x1

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#define S390_RUNTIME_INSTR_STOP		0x2

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struct runtime_instr_cb {

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	__u64 rca;

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	__u64 roa;

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	__u64 rla;

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	__u32 v			: 1;

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	__u32 s			: 1;

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	__u32 k			: 1;

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	__u32 h			: 1;

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	__u32 a			: 1;

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	__u32 reserved1		: 3;

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	__u32 ps		: 1;

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	__u32 qs		: 1;

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	__u32 pc		: 1;

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	__u32 qc		: 1;

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	__u32 reserved2		: 1;

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	__u32 g			: 1;

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	__u32 u			: 1;

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	__u32 l			: 1;

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	__u32 key		: 4;

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	__u32 reserved3		: 8;

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	__u32 t			: 1;

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	__u32 rgs		: 3;

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	__u32 m			: 4;

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	__u32 n			: 1;

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	__u32 mae		: 1;

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	__u32 reserved4		: 2;

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	__u32 c			: 1;

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	__u32 r			: 1;

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	__u32 b			: 1;

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	__u32 j			: 1;

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	__u32 e			: 1;

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	__u32 x			: 1;

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	__u32 reserved5		: 2;

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	__u32 bpxn		: 1;

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	__u32 bpxt		: 1;

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	__u32 bpti		: 1;

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	__u32 bpni		: 1;

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	__u32 reserved6		: 2;

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	__u32 d			: 1;

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	__u32 f			: 1;

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	__u32 ic		: 4;

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	__u32 dc		: 4;

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	__u64 reserved7;

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	__u64 sf;

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	__u64 rsic;

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	__u64 reserved8;

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} __attribute__((__packed__, __aligned__(8)));

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static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)

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{

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	asm volatile(".insn	rsy,0xeb0000000060,0,0,%0"	/* LRIC */

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		: : "Q" (*cb));

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}

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static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)

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{

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	asm volatile(".insn	rsy,0xeb0000000061,0,0,%0"	/* STRIC */

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		: "=Q" (*cb) : : "cc");

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}

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#endif /* _S390_UAPI_RUNTIME_INSTR_H */

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