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};
44
45struct sysinfo_1_2_1 {
46	char reserved_0[80];
47	char sequence[16];
48	char plant[4];
49	char reserved_1[2];
50	unsigned short cpu_address;
51};
52
53struct sysinfo_1_2_2 {
54	char format;
55	char reserved_0[1];
56	unsigned short acc_offset;
57	unsigned char mt_installed :1;
58	unsigned char :2;
59	unsigned char mt_stid :5;
60	unsigned char :3;
61	unsigned char mt_gtid :5;
62	char reserved_1[18];
63	unsigned int nominal_cap;
64	unsigned int secondary_cap;
65	unsigned int capability;
66	unsigned short cpus_total;
67	unsigned short cpus_configured;
68	unsigned short cpus_standby;
69	unsigned short cpus_reserved;
70	unsigned short adjustment[];
71};
72
73struct sysinfo_1_2_2_extension {
74	unsigned int alt_capability;
75	unsigned short alt_adjustment[];
76};
77
78struct sysinfo_2_2_1 {
79	char reserved_0[80];
80	char sequence[16];
81	char plant[4];
82	unsigned short cpu_id;
83	unsigned short cpu_address;
84};
85
86struct sysinfo_2_2_2 {
87	char reserved_0[32];
88	unsigned short lpar_number;
89	char reserved_1;
90	unsigned char characteristics;
91	unsigned short cpus_total;
92	unsigned short cpus_configured;
93	unsigned short cpus_standby;
94	unsigned short cpus_reserved;
95	char name[8];
96	unsigned int caf;
97	char reserved_2[8];
98	unsigned char mt_installed :1;
99	unsigned char :2;
100	unsigned char mt_stid :5;
101	unsigned char :3;
102	unsigned char mt_gtid :5;
103	unsigned char :3;
104	unsigned char mt_psmtid :5;
105	char reserved_3[5];
106	unsigned short cpus_dedicated;
107	unsigned short cpus_shared;
108	char reserved_4[3];
109	unsigned char vsne;
110	uuid_t uuid;
111	char reserved_5[160];
112	char ext_name[256];
113};
114
115#define LPAR_CHAR_DEDICATED	(1 << 7)
116#define LPAR_CHAR_SHARED	(1 << 6)
117#define LPAR_CHAR_LIMITED	(1 << 5)
118
119struct sysinfo_3_2_2 {
120	char reserved_0[31];
121	unsigned char :4;
122	unsigned char count:4;
123	struct {
124		char reserved_0[4];
125		unsigned short cpus_total;
126		unsigned short cpus_configured;
127		unsigned short cpus_standby;
128		unsigned short cpus_reserved;
129		char name[8];
130		unsigned int caf;
131		char cpi[16];
132		char reserved_1[3];
133		unsigned char evmne;
134		unsigned int reserved_2;
135		uuid_t uuid;
136	} vm[8];
137	char reserved_3[1504];
138	char ext_names[8][256];
139};
140
141extern int topology_max_mnest;
142
143/*
144 * Returns the maximum nesting level supported by the cpu topology code.
145 * The current maximum level is 4 which is the drawer level.
146 */
147static inline unsigned char topology_mnest_limit(void)
148{
149	return min(topology_max_mnest, 4);
150}
151
152#define TOPOLOGY_NR_MAG		6
153
154struct topology_core {
155	unsigned char nl;
156	unsigned char reserved0[3];
157	unsigned char :5;
158	unsigned char d:1;
159	unsigned char pp:2;
160	unsigned char reserved1;
161	unsigned short origin;
162	unsigned long mask;
163};
164
165struct topology_container {
166	unsigned char nl;
167	unsigned char reserved[6];
168	unsigned char id;
169};
170
171union topology_entry {
172	unsigned char nl;
173	struct topology_core cpu;
174	struct topology_container container;
175};
176
177struct sysinfo_15_1_x {
178	unsigned char reserved0[2];
179	unsigned short length;
180	unsigned char mag[TOPOLOGY_NR_MAG];
181	unsigned char reserved1;
182	unsigned char mnest;
183	unsigned char reserved2[4];
184	union topology_entry tle[];
185};
186
187int stsi(void *sysinfo, int fc, int sel1, int sel2);
188
189/*
190 * Service level reporting interface.
191 */
192struct service_level {
193	struct list_head list;
194	void (*seq_print)(struct seq_file *, struct service_level *);
195};
196
197int register_service_level(struct service_level *);
198int unregister_service_level(struct service_level *);
199
200int sthyi_fill(void *dst, u64 *rc);
201#endif /* __ASM_S390_SYSINFO_H */
202