diag.h

 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2/*
 3 * Diag ioctls and its associated structures definitions.
 4 *
 5 * Copyright IBM Corp. 2024
 6 */
 7
 8#ifndef __S390_UAPI_ASM_DIAG_H
 9#define __S390_UAPI_ASM_DIAG_H
10
11#include <linux/types.h>
12
13#define DIAG_MAGIC_STR 'D'
14
15struct diag324_pib {
16	__u64 address;
17	__u64 sequence;
18};
19
20struct diag310_memtop {
21	__u64 address;
22	__u64 nesting_lvl;
23};
24
25/* Diag ioctl definitions */
26#define DIAG324_GET_PIBBUF	_IOWR(DIAG_MAGIC_STR, 0x77, struct diag324_pib)
27#define DIAG324_GET_PIBLEN	_IOR(DIAG_MAGIC_STR, 0x78, size_t)
28#define DIAG310_GET_STRIDE	_IOR(DIAG_MAGIC_STR, 0x79, size_t)
29#define DIAG310_GET_MEMTOPLEN	_IOWR(DIAG_MAGIC_STR, 0x7a, size_t)
30#define DIAG310_GET_MEMTOPBUF	_IOWR(DIAG_MAGIC_STR, 0x7b, struct diag310_memtop)
31
32#endif /* __S390_UAPI_ASM_DIAG_H */