xref: /openbmc/linux/arch/s390/include/asm/sclp.h (revision 9a69abf8)
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 
12 #define SCLP_CHP_INFO_MASK_SIZE		32
13 
14 struct sclp_chp_info {
15 	u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
16 	u8 standby[SCLP_CHP_INFO_MASK_SIZE];
17 	u8 configured[SCLP_CHP_INFO_MASK_SIZE];
18 };
19 
20 #define LOADPARM_LEN 8
21 
22 struct sclp_ipl_info {
23 	int is_valid;
24 	int has_dump;
25 	char loadparm[LOADPARM_LEN];
26 };
27 
28 struct sclp_cpu_entry {
29 	u8 address;
30 	u8 reserved0[13];
31 	u8 type;
32 	u8 reserved1;
33 } __attribute__((packed));
34 
35 struct sclp_cpu_info {
36 	unsigned int configured;
37 	unsigned int standby;
38 	unsigned int combined;
39 	int has_cpu_type;
40 	struct sclp_cpu_entry cpu[255];
41 };
42 
43 int sclp_get_cpu_info(struct sclp_cpu_info *info);
44 int sclp_cpu_configure(u8 cpu);
45 int sclp_cpu_deconfigure(u8 cpu);
46 void sclp_facilities_detect(void);
47 unsigned long long sclp_get_rnmax(void);
48 unsigned long long sclp_get_rzm(void);
49 int sclp_sdias_blk_count(void);
50 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
51 int sclp_chp_configure(struct chp_id chpid);
52 int sclp_chp_deconfigure(struct chp_id chpid);
53 int sclp_chp_read_info(struct sclp_chp_info *info);
54 void sclp_get_ipl_info(struct sclp_ipl_info *info);
55 bool sclp_has_linemode(void);
56 bool sclp_has_vt220(void);
57 int sclp_pci_configure(u32 fid);
58 int sclp_pci_deconfigure(u32 fid);
59 
60 #endif /* _ASM_S390_SCLP_H */
61