xref: /openbmc/linux/arch/s390/include/asm/sclp.h (revision 7fe2f639)
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 #include <asm/chpid.h>
13 
14 #define SCLP_CHP_INFO_MASK_SIZE		32
15 
16 struct 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 
24 struct sclp_ipl_info {
25 	int is_valid;
26 	int has_dump;
27 	char loadparm[LOADPARM_LEN];
28 };
29 
30 struct sclp_cpu_entry {
31 	u8 address;
32 	u8 reserved0[13];
33 	u8 type;
34 	u8 reserved1;
35 } __attribute__((packed));
36 
37 struct sclp_cpu_info {
38 	unsigned int configured;
39 	unsigned int standby;
40 	unsigned int combined;
41 	int has_cpu_type;
42 	struct sclp_cpu_entry cpu[255];
43 };
44 
45 int sclp_get_cpu_info(struct sclp_cpu_info *info);
46 int sclp_cpu_configure(u8 cpu);
47 int sclp_cpu_deconfigure(u8 cpu);
48 void sclp_facilities_detect(void);
49 unsigned long long sclp_get_rnmax(void);
50 unsigned long long sclp_get_rzm(void);
51 int sclp_sdias_blk_count(void);
52 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
53 int sclp_chp_configure(struct chp_id chpid);
54 int sclp_chp_deconfigure(struct chp_id chpid);
55 int sclp_chp_read_info(struct sclp_chp_info *info);
56 void sclp_get_ipl_info(struct sclp_ipl_info *info);
57 
58 #endif /* _ASM_S390_SCLP_H */
59