xref: /openbmc/linux/arch/s390/include/asm/sclp.h (revision b34e08d5)
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 address;
31 	u8 reserved0[13];
32 	u8 type;
33 	u8 reserved1;
34 } __attribute__((packed));
35 
36 struct sclp_cpu_info {
37 	unsigned int configured;
38 	unsigned int standby;
39 	unsigned int combined;
40 	int has_cpu_type;
41 	struct sclp_cpu_entry cpu[MAX_CPU_ADDRESS + 1];
42 };
43 
44 int sclp_get_cpu_info(struct sclp_cpu_info *info);
45 int sclp_cpu_configure(u8 cpu);
46 int sclp_cpu_deconfigure(u8 cpu);
47 unsigned long long sclp_get_rnmax(void);
48 unsigned long long sclp_get_rzm(void);
49 unsigned int sclp_get_max_cpu(void);
50 int sclp_sdias_blk_count(void);
51 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
52 int sclp_chp_configure(struct chp_id chpid);
53 int sclp_chp_deconfigure(struct chp_id chpid);
54 int sclp_chp_read_info(struct sclp_chp_info *info);
55 void sclp_get_ipl_info(struct sclp_ipl_info *info);
56 bool __init sclp_has_linemode(void);
57 bool __init sclp_has_vt220(void);
58 bool sclp_has_sprp(void);
59 int sclp_pci_configure(u32 fid);
60 int sclp_pci_deconfigure(u32 fid);
61 int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
62 unsigned long sclp_get_hsa_size(void);
63 void sclp_early_detect(void);
64 
65 #endif /* _ASM_S390_SCLP_H */
66