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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 #define SCLP_MAX_CORES			256
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_core_entry {
31 	u8 core_id;
32 	u8 reserved0[2];
33 	u8 : 3;
34 	u8 siif : 1;
35 	u8 sigpif : 1;
36 	u8 : 3;
37 	u8 reserved2[10];
38 	u8 type;
39 	u8 reserved1;
40 } __attribute__((packed));
41 
42 struct sclp_core_info {
43 	unsigned int configured;
44 	unsigned int standby;
45 	unsigned int combined;
46 	struct sclp_core_entry core[SCLP_MAX_CORES];
47 };
48 
49 struct sclp_info {
50 	unsigned char has_linemode : 1;
51 	unsigned char has_vt220 : 1;
52 	unsigned char has_siif : 1;
53 	unsigned char has_sigpif : 1;
54 	unsigned char has_core_type : 1;
55 	unsigned char has_sprp : 1;
56 	unsigned int ibc;
57 	unsigned int mtid;
58 	unsigned int mtid_cp;
59 	unsigned int mtid_prev;
60 	unsigned long long rzm;
61 	unsigned long long rnmax;
62 	unsigned long long hamax;
63 	unsigned int max_cores;
64 	unsigned long hsa_size;
65 	unsigned long long facilities;
66 };
67 extern struct sclp_info sclp;
68 
69 int sclp_get_core_info(struct sclp_core_info *info);
70 int sclp_core_configure(u8 core);
71 int sclp_core_deconfigure(u8 core);
72 int sclp_sdias_blk_count(void);
73 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
74 int sclp_chp_configure(struct chp_id chpid);
75 int sclp_chp_deconfigure(struct chp_id chpid);
76 int sclp_chp_read_info(struct sclp_chp_info *info);
77 void sclp_get_ipl_info(struct sclp_ipl_info *info);
78 int sclp_pci_configure(u32 fid);
79 int sclp_pci_deconfigure(u32 fid);
80 int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
81 void sclp_early_detect(void);
82 int _sclp_print_early(const char *);
83 
84 #endif /* _ASM_S390_SCLP_H */
85