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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 */
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
19struct sysinfo_1_1_1 {
20 unsigned short :16;
21 unsigned char ccr;
22 unsigned char cai;
23 char reserved_0[28];
24 char manufacturer[16];
25 char type[4];
26 char reserved_1[12];
27 char model_capacity[16];
28 char sequence[16];
29 char plant[4];
30 char model[16];
31 char model_perm_cap[16];
32 char model_temp_cap[16];
33 char model_cap_rating[4];
34 char model_perm_cap_rating[4];
35 char model_temp_cap_rating[4];
36};
37
38struct sysinfo_1_2_1 {
39 char reserved_0[80];
40 char sequence[16];
41 char plant[4];
42 char reserved_1[2];
43 unsigned short cpu_address;
44};
45
46struct sysinfo_1_2_2 {
47 char format;
48 char reserved_0[1];
49 unsigned short acc_offset;
50 char reserved_1[24];
51 unsigned int secondary_capability;
52 unsigned int capability;
53 unsigned short cpus_total;
54 unsigned short cpus_configured;
55 unsigned short cpus_standby;
56 unsigned short cpus_reserved;
57 unsigned short adjustment[0];
58};
59
60struct sysinfo_1_2_2_extension {
61 unsigned int alt_capability;
62 unsigned short alt_adjustment[0];
63};
64
65struct sysinfo_2_2_1 {
66 char reserved_0[80];
67 char sequence[16];
68 char plant[4];
69 unsigned short cpu_id;
70 unsigned short cpu_address;
71};
72
73struct sysinfo_2_2_2 {
74 char reserved_0[32];
75 unsigned short lpar_number;
76 char reserved_1;
77 unsigned char characteristics;
78 unsigned short cpus_total;
79 unsigned short cpus_configured;
80 unsigned short cpus_standby;
81 unsigned short cpus_reserved;
82 char name[8];
83 unsigned int caf;
84 char reserved_2[16];
85 unsigned short cpus_dedicated;
86 unsigned short cpus_shared;
87};
88
89#define LPAR_CHAR_DEDICATED (1 << 7)
90#define LPAR_CHAR_SHARED (1 << 6)
91#define LPAR_CHAR_LIMITED (1 << 5)
92
93struct sysinfo_3_2_2 {
94 char reserved_0[31];
95 unsigned char :4;
96 unsigned char count:4;
97 struct {
98 char reserved_0[4];
99 unsigned short cpus_total;
100 unsigned short cpus_configured;
101 unsigned short cpus_standby;
102 unsigned short cpus_reserved;
103 char name[8];
104 unsigned int caf;
105 char cpi[16];
106 char reserved_1[24];
107
108 } vm[8];
109 char reserved_544[3552];
110};
111
112#define TOPOLOGY_CPU_BITS 64
113#define TOPOLOGY_NR_MAG 6
114
115struct topology_cpu {
116 unsigned char reserved0[4];
117 unsigned char :6;
118 unsigned char pp:2;
119 unsigned char reserved1;
120 unsigned short origin;
121 unsigned long mask[TOPOLOGY_CPU_BITS / BITS_PER_LONG];
122};
123
124struct topology_container {
125 unsigned char reserved[7];
126 unsigned char id;
127};
128
129union topology_entry {
130 unsigned char nl;
131 struct topology_cpu cpu;
132 struct topology_container container;
133};
134
135struct sysinfo_15_1_x {
136 unsigned char reserved0[2];
137 unsigned short length;
138 unsigned char mag[TOPOLOGY_NR_MAG];
139 unsigned char reserved1;
140 unsigned char mnest;
141 unsigned char reserved2[4];
142 union topology_entry tle[0];
143};
144
145static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
146{
147 register int r0 asm("0") = (fc << 28) | sel1;
148 register int r1 asm("1") = sel2;
149
150 asm volatile(
151 " stsi 0(%2)\n"
152 "0: jz 2f\n"
153 "1: lhi %0,%3\n"
154 "2:\n"
155 EX_TABLE(0b, 1b)
156 : "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
157 : "cc", "memory");
158 return r0;
159}
160
161/*
162 * Service level reporting interface.
163 */
164struct service_level {
165 struct list_head list;
166 void (*seq_print)(struct seq_file *, struct service_level *);
167};
168
169int register_service_level(struct service_level *);
170int unregister_service_level(struct service_level *);
171
172#endif /* __ASM_S390_SYSINFO_H */