1/*
2 *    Copyright IBM Corp. 2007
3 *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
4 */
5
6#ifndef _ASM_S390_SCLP_H
7#define _ASM_S390_SCLP_H
8
9#include <linux/types.h>
10#include <asm/chpid.h>
11#include <asm/cpu.h>
12
13#define SCLP_CHP_INFO_MASK_SIZE		32
14#define SCLP_MAX_CORES			256
15
16struct sclp_chp_info {
17	u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
18	u8 standby[SCLP_CHP_INFO_MASK_SIZE];
19	u8 configured[SCLP_CHP_INFO_MASK_SIZE];
20};
21
22#define LOADPARM_LEN 8
23
24struct sclp_ipl_info {
25	int is_valid;
26	int has_dump;
27	char loadparm[LOADPARM_LEN];
28};
29
30struct sclp_core_entry {
31	u8 core_id;
32	u8 reserved0[2];
33	u8 : 3;
34	u8 siif : 1;
35	u8 sigpif : 1;
36	u8 : 3;
37	u8 reserved2[10];
38	u8 type;
39	u8 reserved1;
40} __attribute__((packed));
41
42struct sclp_core_info {
43	unsigned int configured;
44	unsigned int standby;
45	unsigned int combined;
46	struct sclp_core_entry core[SCLP_MAX_CORES];
47};
48
49struct sclp_info {
50	unsigned char has_linemode : 1;
51	unsigned char has_vt220 : 1;
52	unsigned char has_siif : 1;
53	unsigned char has_sigpif : 1;
54	unsigned char has_core_type : 1;
55	unsigned char has_sprp : 1;
56	unsigned int ibc;
57	unsigned int mtid;
58	unsigned int mtid_cp;
59	unsigned int mtid_prev;
60	unsigned long long rzm;
61	unsigned long long rnmax;
62	unsigned long long hamax;
63	unsigned int max_cores;
64	unsigned long hsa_size;
65	unsigned long long facilities;
66};
67extern struct sclp_info sclp;
68
69int sclp_get_core_info(struct sclp_core_info *info);
70int sclp_core_configure(u8 core);
71int sclp_core_deconfigure(u8 core);
72int sclp_sdias_blk_count(void);
73int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
74int sclp_chp_configure(struct chp_id chpid);
75int sclp_chp_deconfigure(struct chp_id chpid);
76int sclp_chp_read_info(struct sclp_chp_info *info);
77void sclp_get_ipl_info(struct sclp_ipl_info *info);
78int sclp_pci_configure(u32 fid);
79int sclp_pci_deconfigure(u32 fid);
80int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
81void sclp_early_detect(void);
82int _sclp_print_early(const char *);
83
84#endif /* _ASM_S390_SCLP_H */
85