tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * include/asm-s390/sclp.h
3 *
4 * Copyright IBM Corp. 2007
5 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
6 */
7
8#ifndef _ASM_S390_SCLP_H
9#define _ASM_S390_SCLP_H
10
11#include <linux/types.h>
12
13struct sccb_header {
14 u16 length;
15 u8 function_code;
16 u8 control_mask[3];
17 u16 response_code;
18} __attribute__((packed));
19
20#define LOADPARM_LEN 8
21
22struct sclp_readinfo_sccb {
23 struct sccb_header header; /* 0-7 */
24 u16 rnmax; /* 8-9 */
25 u8 rnsize; /* 10 */
26 u8 _reserved0[24 - 11]; /* 11-23 */
27 u8 loadparm[LOADPARM_LEN]; /* 24-31 */
28 u8 _reserved1[91 - 32]; /* 32-90 */
29 u8 flags; /* 91 */
30 u8 _reserved2[100 - 92]; /* 92-99 */
31 u32 rnsize2; /* 100-103 */
32 u64 rnmax2; /* 104-111 */
33 u8 _reserved3[4096 - 112]; /* 112-4095 */
34} __attribute__((packed, aligned(4096)));
35
36extern struct sclp_readinfo_sccb s390_readinfo_sccb;
37extern void sclp_readinfo_early(void);
38
39#endif /* _ASM_S390_SCLP_H */