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 */