xref: /openbmc/linux/arch/s390/include/asm/sclp.h (revision e0bf6c5c)
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 
15 struct sclp_chp_info {
16 	u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
17 	u8 standby[SCLP_CHP_INFO_MASK_SIZE];
18 	u8 configured[SCLP_CHP_INFO_MASK_SIZE];
19 };
20 
21 #define LOADPARM_LEN 8
22 
23 struct sclp_ipl_info {
24 	int is_valid;
25 	int has_dump;
26 	char loadparm[LOADPARM_LEN];
27 };
28 
29 struct sclp_cpu_entry {
30 	u8 core_id;
31 	u8 reserved0[2];
32 	u8 : 3;
33 	u8 siif : 1;
34 	u8 sigpif : 1;
35 	u8 : 3;
36 	u8 reserved2[10];
37 	u8 type;
38 	u8 reserved1;
39 } __attribute__((packed));
40 
41 struct sclp_cpu_info {
42 	unsigned int configured;
43 	unsigned int standby;
44 	unsigned int combined;
45 	int has_cpu_type;
46 	struct sclp_cpu_entry cpu[MAX_CPU_ADDRESS + 1];
47 };
48 
49 int sclp_get_cpu_info(struct sclp_cpu_info *info);
50 int sclp_cpu_configure(u8 cpu);
51 int sclp_cpu_deconfigure(u8 cpu);
52 unsigned long long sclp_get_rnmax(void);
53 unsigned long long sclp_get_rzm(void);
54 unsigned int sclp_get_max_cpu(void);
55 unsigned int sclp_get_mtid(u8 cpu_type);
56 unsigned int sclp_get_mtid_max(void);
57 unsigned int sclp_get_mtid_prev(void);
58 int sclp_sdias_blk_count(void);
59 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
60 int sclp_chp_configure(struct chp_id chpid);
61 int sclp_chp_deconfigure(struct chp_id chpid);
62 int sclp_chp_read_info(struct sclp_chp_info *info);
63 void sclp_get_ipl_info(struct sclp_ipl_info *info);
64 bool __init sclp_has_linemode(void);
65 bool __init sclp_has_vt220(void);
66 bool sclp_has_sprp(void);
67 int sclp_pci_configure(u32 fid);
68 int sclp_pci_deconfigure(u32 fid);
69 int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
70 unsigned long sclp_get_hsa_size(void);
71 void sclp_early_detect(void);
72 int sclp_has_siif(void);
73 int sclp_has_sigpif(void);
74 unsigned int sclp_get_ibc(void);
75 
76 long _sclp_print_early(const char *);
77 
78 #endif /* _ASM_S390_SCLP_H */
79