1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright IBM Corp. 2007
4 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
7 #ifndef _ASM_S390_SCLP_H
8 #define _ASM_S390_SCLP_H
10 #include <linux/types.h>
11 #include <asm/chpid.h>
14 #define SCLP_CHP_INFO_MASK_SIZE 32
15 #define SCLP_MAX_CORES 256
17 struct sclp_chp_info {
18 u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
19 u8 standby[SCLP_CHP_INFO_MASK_SIZE];
20 u8 configured[SCLP_CHP_INFO_MASK_SIZE];
23 #define LOADPARM_LEN 8
25 struct sclp_ipl_info {
28 char loadparm[LOADPARM_LEN];
31 struct sclp_core_entry {
51 } __attribute__((packed));
53 struct sclp_core_info {
54 unsigned int configured;
56 unsigned int combined;
57 struct sclp_core_entry core[SCLP_MAX_CORES];
61 unsigned char has_linemode : 1;
62 unsigned char has_vt220 : 1;
63 unsigned char has_siif : 1;
64 unsigned char has_sigpif : 1;
65 unsigned char has_core_type : 1;
66 unsigned char has_sprp : 1;
67 unsigned char has_hvs : 1;
68 unsigned char has_esca : 1;
69 unsigned char has_sief2 : 1;
70 unsigned char has_64bscao : 1;
71 unsigned char has_gpere : 1;
72 unsigned char has_cmma : 1;
73 unsigned char has_gsls : 1;
74 unsigned char has_ib : 1;
75 unsigned char has_cei : 1;
76 unsigned char has_pfmfi : 1;
77 unsigned char has_ibs : 1;
78 unsigned char has_skey : 1;
79 unsigned char has_kss : 1;
83 unsigned int mtid_prev;
87 unsigned int max_cores;
88 unsigned long hsa_size;
89 unsigned long facilities;
92 extern struct sclp_info sclp;
94 struct zpci_report_error_header {
95 u8 version; /* Interface version byte */
96 u8 action; /* Action qualifier byte
97 * 1: Deconfigure and repair action requested
98 * (OpenCrypto Problem Call Home)
99 * 2: Informational Report
100 * (OpenCrypto Successful Diagnostics Execution)
102 u16 length; /* Length of Subsequent Data (up to 4K – SCLP header */
103 u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */
106 int sclp_early_get_core_info(struct sclp_core_info *info);
107 void sclp_early_get_ipl_info(struct sclp_ipl_info *info);
108 void sclp_early_detect(void);
109 void sclp_early_printk(const char *s);
110 void __sclp_early_printk(const char *s, unsigned int len);
112 int _sclp_get_core_info(struct sclp_core_info *info);
113 int sclp_core_configure(u8 core);
114 int sclp_core_deconfigure(u8 core);
115 int sclp_sdias_blk_count(void);
116 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
117 int sclp_chp_configure(struct chp_id chpid);
118 int sclp_chp_deconfigure(struct chp_id chpid);
119 int sclp_chp_read_info(struct sclp_chp_info *info);
120 int sclp_pci_configure(u32 fid);
121 int sclp_pci_deconfigure(u32 fid);
122 int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
123 int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
124 int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
125 void sclp_ocf_cpc_name_copy(char *dst);
127 static inline int sclp_get_core_info(struct sclp_core_info *info, int early)
130 return sclp_early_get_core_info(info);
131 return _sclp_get_core_info(info);
134 #endif /* _ASM_S390_SCLP_H */