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sclp.h
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1 /*
2  * Copyright IBM Corp. 2007
3  * Author(s): Heiko Carstens <[email protected]>
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 u8 sclp_get_fac85(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 sclp_has_linemode(void);
57 bool sclp_has_vt220(void);
58 
59 #endif /* _ASM_S390_SCLP_H */
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