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7#ifndef _ASM_S390_SCLP_H
8#define _ASM_S390_SCLP_H
9
10#include <linux/types.h>
11
12#define SCLP_CHP_INFO_MASK_SIZE 32
13#define EARLY_SCCB_SIZE PAGE_SIZE
14#define SCLP_MAX_CORES 512
15
16#define EXT_SCCB_READ_SCP (3 * PAGE_SIZE)
17
18#define EXT_SCCB_READ_CPU (3 * PAGE_SIZE)
19
20#ifndef __ASSEMBLY__
21#include <asm/chpid.h>
22#include <asm/cpu.h>
23
24struct sclp_chp_info {
25 u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
26 u8 standby[SCLP_CHP_INFO_MASK_SIZE];
27 u8 configured[SCLP_CHP_INFO_MASK_SIZE];
28};
29
30#define LOADPARM_LEN 8
31
32struct sclp_ipl_info {
33 int is_valid;
34 int has_dump;
35 char loadparm[LOADPARM_LEN];
36};
37
38struct sclp_core_entry {
39 u8 core_id;
40 u8 reserved0;
41 u8 : 4;
42 u8 sief2 : 1;
43 u8 skey : 1;
44 u8 : 2;
45 u8 : 2;
46 u8 gpere : 1;
47 u8 siif : 1;
48 u8 sigpif : 1;
49 u8 : 3;
50 u8 reserved2[3];
51 u8 : 2;
52 u8 ib : 1;
53 u8 cei : 1;
54 u8 : 4;
55 u8 reserved3[6];
56 u8 type;
57 u8 reserved1;
58} __attribute__((packed));
59
60struct sclp_core_info {
61 unsigned int configured;
62 unsigned int standby;
63 unsigned int combined;
64 struct sclp_core_entry core[SCLP_MAX_CORES];
65};
66
67struct sclp_info {
68 unsigned char has_linemode : 1;
69 unsigned char has_vt220 : 1;
70 unsigned char has_siif : 1;
71 unsigned char has_sigpif : 1;
72 unsigned char has_core_type : 1;
73 unsigned char has_sprp : 1;
74 unsigned char has_hvs : 1;
75 unsigned char has_esca : 1;
76 unsigned char has_sief2 : 1;
77 unsigned char has_64bscao : 1;
78 unsigned char has_gpere : 1;
79 unsigned char has_cmma : 1;
80 unsigned char has_gsls : 1;
81 unsigned char has_ib : 1;
82 unsigned char has_cei : 1;
83 unsigned char has_pfmfi : 1;
84 unsigned char has_ibs : 1;
85 unsigned char has_skey : 1;
86 unsigned char has_kss : 1;
87 unsigned char has_gisaf : 1;
88 unsigned char has_diag318 : 1;
89 unsigned char has_sipl : 1;
90 unsigned char has_dirq : 1;
91 unsigned int ibc;
92 unsigned int mtid;
93 unsigned int mtid_cp;
94 unsigned int mtid_prev;
95 unsigned long rzm;
96 unsigned long rnmax;
97 unsigned long hamax;
98 unsigned int max_cores;
99 unsigned long hsa_size;
100 unsigned long facilities;
101 unsigned int hmfai;
102};
103extern struct sclp_info sclp;
104
105struct zpci_report_error_header {
106 u8 version;
107 u8 action;
108
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111
112
113
114 u16 length;
115 u8 data[0];
116} __packed;
117
118extern char *sclp_early_sccb;
119
120void sclp_early_set_buffer(void *sccb);
121int sclp_early_read_info(void);
122int sclp_early_read_storage_info(void);
123int sclp_early_get_core_info(struct sclp_core_info *info);
124void sclp_early_get_ipl_info(struct sclp_ipl_info *info);
125void sclp_early_detect(void);
126void sclp_early_printk(const char *s);
127void __sclp_early_printk(const char *s, unsigned int len);
128
129int sclp_early_get_memsize(unsigned long *mem);
130int sclp_early_get_hsa_size(unsigned long *hsa_size);
131int _sclp_get_core_info(struct sclp_core_info *info);
132int sclp_core_configure(u8 core);
133int sclp_core_deconfigure(u8 core);
134int sclp_sdias_blk_count(void);
135int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
136int sclp_chp_configure(struct chp_id chpid);
137int sclp_chp_deconfigure(struct chp_id chpid);
138int sclp_chp_read_info(struct sclp_chp_info *info);
139int sclp_pci_configure(u32 fid);
140int sclp_pci_deconfigure(u32 fid);
141int sclp_ap_configure(u32 apid);
142int sclp_ap_deconfigure(u32 apid);
143int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
144int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
145int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
146void sclp_ocf_cpc_name_copy(char *dst);
147
148static inline int sclp_get_core_info(struct sclp_core_info *info, int early)
149{
150 if (early)
151 return sclp_early_get_core_info(info);
152 return _sclp_get_core_info(info);
153}
154
155#endif
156#endif
157