xref: /openbmc/linux/arch/s390/include/asm/sysinfo.h (revision a36954f5)
1 /*
2  * definition for store system information stsi
3  *
4  * Copyright IBM Corp. 2001, 2008
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License (version 2 only)
8  * as published by the Free Software Foundation.
9  *
10  *    Author(s): Ulrich Weigand <weigand@de.ibm.com>
11  *		 Christian Borntraeger <borntraeger@de.ibm.com>
12  */
13 
14 #ifndef __ASM_S390_SYSINFO_H
15 #define __ASM_S390_SYSINFO_H
16 
17 #include <asm/bitsperlong.h>
18 #include <linux/uuid.h>
19 
20 struct sysinfo_1_1_1 {
21 	unsigned char p:1;
22 	unsigned char :6;
23 	unsigned char t:1;
24 	unsigned char :8;
25 	unsigned char ccr;
26 	unsigned char cai;
27 	char reserved_0[28];
28 	char manufacturer[16];
29 	char type[4];
30 	char reserved_1[12];
31 	char model_capacity[16];
32 	char sequence[16];
33 	char plant[4];
34 	char model[16];
35 	char model_perm_cap[16];
36 	char model_temp_cap[16];
37 	unsigned int model_cap_rating;
38 	unsigned int model_perm_cap_rating;
39 	unsigned int model_temp_cap_rating;
40 	unsigned char typepct[5];
41 	unsigned char reserved_2[3];
42 	unsigned int ncr;
43 	unsigned int npr;
44 	unsigned int ntr;
45 };
46 
47 struct sysinfo_1_2_1 {
48 	char reserved_0[80];
49 	char sequence[16];
50 	char plant[4];
51 	char reserved_1[2];
52 	unsigned short cpu_address;
53 };
54 
55 struct sysinfo_1_2_2 {
56 	char format;
57 	char reserved_0[1];
58 	unsigned short acc_offset;
59 	unsigned char mt_installed :1;
60 	unsigned char :2;
61 	unsigned char mt_stid :5;
62 	unsigned char :3;
63 	unsigned char mt_gtid :5;
64 	char reserved_1[18];
65 	unsigned int nominal_cap;
66 	unsigned int secondary_cap;
67 	unsigned int capability;
68 	unsigned short cpus_total;
69 	unsigned short cpus_configured;
70 	unsigned short cpus_standby;
71 	unsigned short cpus_reserved;
72 	unsigned short adjustment[0];
73 };
74 
75 struct sysinfo_1_2_2_extension {
76 	unsigned int alt_capability;
77 	unsigned short alt_adjustment[0];
78 };
79 
80 struct sysinfo_2_2_1 {
81 	char reserved_0[80];
82 	char sequence[16];
83 	char plant[4];
84 	unsigned short cpu_id;
85 	unsigned short cpu_address;
86 };
87 
88 struct sysinfo_2_2_2 {
89 	char reserved_0[32];
90 	unsigned short lpar_number;
91 	char reserved_1;
92 	unsigned char characteristics;
93 	unsigned short cpus_total;
94 	unsigned short cpus_configured;
95 	unsigned short cpus_standby;
96 	unsigned short cpus_reserved;
97 	char name[8];
98 	unsigned int caf;
99 	char reserved_2[8];
100 	unsigned char mt_installed :1;
101 	unsigned char :2;
102 	unsigned char mt_stid :5;
103 	unsigned char :3;
104 	unsigned char mt_gtid :5;
105 	unsigned char :3;
106 	unsigned char mt_psmtid :5;
107 	char reserved_3[5];
108 	unsigned short cpus_dedicated;
109 	unsigned short cpus_shared;
110 	char reserved_4[3];
111 	unsigned char vsne;
112 	uuid_be uuid;
113 	char reserved_5[160];
114 	char ext_name[256];
115 };
116 
117 #define LPAR_CHAR_DEDICATED	(1 << 7)
118 #define LPAR_CHAR_SHARED	(1 << 6)
119 #define LPAR_CHAR_LIMITED	(1 << 5)
120 
121 struct sysinfo_3_2_2 {
122 	char reserved_0[31];
123 	unsigned char :4;
124 	unsigned char count:4;
125 	struct {
126 		char reserved_0[4];
127 		unsigned short cpus_total;
128 		unsigned short cpus_configured;
129 		unsigned short cpus_standby;
130 		unsigned short cpus_reserved;
131 		char name[8];
132 		unsigned int caf;
133 		char cpi[16];
134 		char reserved_1[3];
135 		unsigned char evmne;
136 		unsigned int reserved_2;
137 		uuid_be uuid;
138 	} vm[8];
139 	char reserved_3[1504];
140 	char ext_names[8][256];
141 };
142 
143 extern int topology_max_mnest;
144 
145 /*
146  * Returns the maximum nesting level supported by the cpu topology code.
147  * The current maximum level is 4 which is the drawer level.
148  */
149 static inline unsigned char topology_mnest_limit(void)
150 {
151 	return min(topology_max_mnest, 4);
152 }
153 
154 #define TOPOLOGY_NR_MAG		6
155 
156 struct topology_core {
157 	unsigned char nl;
158 	unsigned char reserved0[3];
159 	unsigned char :6;
160 	unsigned char pp:2;
161 	unsigned char reserved1;
162 	unsigned short origin;
163 	unsigned long mask;
164 };
165 
166 struct topology_container {
167 	unsigned char nl;
168 	unsigned char reserved[6];
169 	unsigned char id;
170 };
171 
172 union topology_entry {
173 	unsigned char nl;
174 	struct topology_core cpu;
175 	struct topology_container container;
176 };
177 
178 struct sysinfo_15_1_x {
179 	unsigned char reserved0[2];
180 	unsigned short length;
181 	unsigned char mag[TOPOLOGY_NR_MAG];
182 	unsigned char reserved1;
183 	unsigned char mnest;
184 	unsigned char reserved2[4];
185 	union topology_entry tle[0];
186 };
187 
188 int stsi(void *sysinfo, int fc, int sel1, int sel2);
189 
190 /*
191  * Service level reporting interface.
192  */
193 struct service_level {
194 	struct list_head list;
195 	void (*seq_print)(struct seq_file *, struct service_level *);
196 };
197 
198 int register_service_level(struct service_level *);
199 int unregister_service_level(struct service_level *);
200 
201 #endif /* __ASM_S390_SYSINFO_H */
202