1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * definition for store system information stsi
4 *
5 * Copyright IBM Corp. 2001, 2008
6 *
7 *    Author(s): Ulrich Weigand <weigand@de.ibm.com>
8 *		 Christian Borntraeger <borntraeger@de.ibm.com>
9 */
10
11#ifndef __ASM_S390_SYSINFO_H
12#define __ASM_S390_SYSINFO_H
13
14#include <asm/bitsperlong.h>
15#include <linux/uuid.h>
16
17struct sysinfo_1_1_1 {
18	unsigned char p:1;
19	unsigned char :6;
20	unsigned char t:1;
21	unsigned char :8;
22	unsigned char ccr;
23	unsigned char cai;
24	char reserved_0[20];
25	unsigned long lic;
26	char manufacturer[16];
27	char type[4];
28	char reserved_1[12];
29	char model_capacity[16];
30	char sequence[16];
31	char plant[4];
32	char model[16];
33	char model_perm_cap[16];
34	char model_temp_cap[16];
35	unsigned int model_cap_rating;
36	unsigned int model_perm_cap_rating;
37	unsigned int model_temp_cap_rating;
38	unsigned char typepct[5];
39	unsigned char reserved_2[3];
40	unsigned int ncr;
41	unsigned int npr;
42	unsigned int ntr;
43	char reserved_3[4];
44	char model_var_cap[16];
45	unsigned int model_var_cap_rating;
46	unsigned int nvr;
47};
48
49struct sysinfo_1_2_1 {
50	char reserved_0[80];
51	char sequence[16];
52	char plant[4];
53	char reserved_1[2];
54	unsigned short cpu_address;
55};
56
57struct sysinfo_1_2_2 {
58	char format;
59	char reserved_0[1];
60	unsigned short acc_offset;
61	unsigned char mt_installed :1;
62	unsigned char :2;
63	unsigned char mt_stid :5;
64	unsigned char :3;
65	unsigned char mt_gtid :5;
66	char reserved_1[18];
67	unsigned int nominal_cap;
68	unsigned int secondary_cap;
69	unsigned int capability;
70	unsigned short cpus_total;
71	unsigned short cpus_configured;
72	unsigned short cpus_standby;
73	unsigned short cpus_reserved;
74	unsigned short adjustment[];
75};
76
77struct sysinfo_1_2_2_extension {
78	unsigned int alt_capability;
79	unsigned short alt_adjustment[];
80};
81
82struct sysinfo_2_2_1 {
83	char reserved_0[80];
84	char sequence[16];
85	char plant[4];
86	unsigned short cpu_id;
87	unsigned short cpu_address;
88};
89
90struct sysinfo_2_2_2 {
91	char reserved_0[32];
92	unsigned short lpar_number;
93	char reserved_1;
94	unsigned char characteristics;
95	unsigned short cpus_total;
96	unsigned short cpus_configured;
97	unsigned short cpus_standby;
98	unsigned short cpus_reserved;
99	char name[8];
100	unsigned int caf;
101	char reserved_2[8];
102	unsigned char mt_installed :1;
103	unsigned char :2;
104	unsigned char mt_stid :5;
105	unsigned char :3;
106	unsigned char mt_gtid :5;
107	unsigned char :3;
108	unsigned char mt_psmtid :5;
109	char reserved_3[5];
110	unsigned short cpus_dedicated;
111	unsigned short cpus_shared;
112	char reserved_4[3];
113	unsigned char vsne;
114	uuid_t uuid;
115	char reserved_5[160];
116	char ext_name[256];
117};
118
119#define LPAR_CHAR_DEDICATED	(1 << 7)
120#define LPAR_CHAR_SHARED	(1 << 6)
121#define LPAR_CHAR_LIMITED	(1 << 5)
122
123struct sysinfo_3_2_2 {
124	char reserved_0[31];
125	unsigned char :4;
126	unsigned char count:4;
127	struct {
128		char reserved_0[4];
129		unsigned short cpus_total;
130		unsigned short cpus_configured;
131		unsigned short cpus_standby;
132		unsigned short cpus_reserved;
133		char name[8];
134		unsigned int caf;
135		char cpi[16];
136		char reserved_1[3];
137		unsigned char evmne;
138		unsigned int reserved_2;
139		uuid_t uuid;
140	} vm[8];
141	char reserved_3[1504];
142	char ext_names[8][256];
143};
144
145extern int topology_max_mnest;
146
147/*
148 * Returns the maximum nesting level supported by the cpu topology code.
149 * The current maximum level is 4 which is the drawer level.
150 */
151static inline unsigned char topology_mnest_limit(void)
152{
153	return min(topology_max_mnest, 4);
154}
155
156#define TOPOLOGY_NR_MAG		6
157
158struct topology_core {
159	unsigned char nl;
160	unsigned char reserved0[3];
161	unsigned char :5;
162	unsigned char d:1;
163	unsigned char pp:2;
164	unsigned char reserved1;
165	unsigned short origin;
166	unsigned long mask;
167};
168
169struct topology_container {
170	unsigned char nl;
171	unsigned char reserved[6];
172	unsigned char id;
173};
174
175union topology_entry {
176	unsigned char nl;
177	struct topology_core cpu;
178	struct topology_container container;
179};
180
181struct sysinfo_15_1_x {
182	unsigned char reserved0[2];
183	unsigned short length;
184	unsigned char mag[TOPOLOGY_NR_MAG];
185	unsigned char reserved1;
186	unsigned char mnest;
187	unsigned char reserved2[4];
188	union topology_entry tle[];
189};
190
191int stsi(void *sysinfo, int fc, int sel1, int sel2);
192
193/*
194 * Service level reporting interface.
195 */
196struct service_level {
197	struct list_head list;
198	void (*seq_print)(struct seq_file *, struct service_level *);
199};
200
201int register_service_level(struct service_level *);
202int unregister_service_level(struct service_level *);
203
204int sthyi_fill(void *dst, u64 *rc);
205#endif /* __ASM_S390_SYSINFO_H */
206