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![Hendrik Brueckner](/assets/img/avatar_default.png)
With z14, the store system information instruction provides an licensed internal code identifier. Display it in /proc/sysinfo. For more information, see the z/Architecture Principles of Operation. (SA22-7832-11). Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
201 lines
4.2 KiB
C
201 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* definition for store system information stsi
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*
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* Copyright IBM Corp. 2001, 2008
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*
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* Author(s): Ulrich Weigand <weigand@de.ibm.com>
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* Christian Borntraeger <borntraeger@de.ibm.com>
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*/
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#ifndef __ASM_S390_SYSINFO_H
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#define __ASM_S390_SYSINFO_H
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#include <asm/bitsperlong.h>
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#include <linux/uuid.h>
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struct sysinfo_1_1_1 {
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unsigned char p:1;
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unsigned char :6;
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unsigned char t:1;
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unsigned char :8;
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unsigned char ccr;
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unsigned char cai;
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char reserved_0[20];
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unsigned long lic;
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char manufacturer[16];
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char type[4];
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char reserved_1[12];
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char model_capacity[16];
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char sequence[16];
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char plant[4];
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char model[16];
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char model_perm_cap[16];
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char model_temp_cap[16];
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unsigned int model_cap_rating;
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unsigned int model_perm_cap_rating;
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unsigned int model_temp_cap_rating;
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unsigned char typepct[5];
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unsigned char reserved_2[3];
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unsigned int ncr;
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unsigned int npr;
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unsigned int ntr;
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};
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struct sysinfo_1_2_1 {
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char reserved_0[80];
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char sequence[16];
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char plant[4];
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char reserved_1[2];
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unsigned short cpu_address;
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};
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struct sysinfo_1_2_2 {
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char format;
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char reserved_0[1];
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unsigned short acc_offset;
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unsigned char mt_installed :1;
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unsigned char :2;
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unsigned char mt_stid :5;
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unsigned char :3;
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unsigned char mt_gtid :5;
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char reserved_1[18];
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unsigned int nominal_cap;
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unsigned int secondary_cap;
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unsigned int capability;
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unsigned short cpus_total;
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unsigned short cpus_configured;
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unsigned short cpus_standby;
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unsigned short cpus_reserved;
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unsigned short adjustment[0];
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};
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struct sysinfo_1_2_2_extension {
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unsigned int alt_capability;
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unsigned short alt_adjustment[0];
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};
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struct sysinfo_2_2_1 {
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char reserved_0[80];
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char sequence[16];
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char plant[4];
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unsigned short cpu_id;
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unsigned short cpu_address;
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};
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struct sysinfo_2_2_2 {
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char reserved_0[32];
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unsigned short lpar_number;
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char reserved_1;
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unsigned char characteristics;
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unsigned short cpus_total;
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unsigned short cpus_configured;
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unsigned short cpus_standby;
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unsigned short cpus_reserved;
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char name[8];
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unsigned int caf;
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char reserved_2[8];
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unsigned char mt_installed :1;
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unsigned char :2;
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unsigned char mt_stid :5;
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unsigned char :3;
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unsigned char mt_gtid :5;
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unsigned char :3;
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unsigned char mt_psmtid :5;
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char reserved_3[5];
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unsigned short cpus_dedicated;
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unsigned short cpus_shared;
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char reserved_4[3];
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unsigned char vsne;
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uuid_t uuid;
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char reserved_5[160];
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char ext_name[256];
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};
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#define LPAR_CHAR_DEDICATED (1 << 7)
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#define LPAR_CHAR_SHARED (1 << 6)
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#define LPAR_CHAR_LIMITED (1 << 5)
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struct sysinfo_3_2_2 {
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char reserved_0[31];
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unsigned char :4;
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unsigned char count:4;
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struct {
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char reserved_0[4];
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unsigned short cpus_total;
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unsigned short cpus_configured;
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unsigned short cpus_standby;
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unsigned short cpus_reserved;
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char name[8];
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unsigned int caf;
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char cpi[16];
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char reserved_1[3];
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unsigned char evmne;
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unsigned int reserved_2;
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uuid_t uuid;
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} vm[8];
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char reserved_3[1504];
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char ext_names[8][256];
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};
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extern int topology_max_mnest;
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/*
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* Returns the maximum nesting level supported by the cpu topology code.
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* The current maximum level is 4 which is the drawer level.
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*/
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static inline unsigned char topology_mnest_limit(void)
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{
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return min(topology_max_mnest, 4);
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}
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#define TOPOLOGY_NR_MAG 6
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struct topology_core {
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unsigned char nl;
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unsigned char reserved0[3];
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unsigned char :5;
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unsigned char d:1;
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unsigned char pp:2;
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unsigned char reserved1;
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unsigned short origin;
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unsigned long mask;
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};
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struct topology_container {
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unsigned char nl;
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unsigned char reserved[6];
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unsigned char id;
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};
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union topology_entry {
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unsigned char nl;
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struct topology_core cpu;
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struct topology_container container;
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};
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struct sysinfo_15_1_x {
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unsigned char reserved0[2];
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unsigned short length;
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unsigned char mag[TOPOLOGY_NR_MAG];
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unsigned char reserved1;
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unsigned char mnest;
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unsigned char reserved2[4];
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union topology_entry tle[0];
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};
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int stsi(void *sysinfo, int fc, int sel1, int sel2);
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/*
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* Service level reporting interface.
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*/
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struct service_level {
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struct list_head list;
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void (*seq_print)(struct seq_file *, struct service_level *);
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};
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int register_service_level(struct service_level *);
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int unregister_service_level(struct service_level *);
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int sthyi_fill(void *dst, u64 *rc);
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#endif /* __ASM_S390_SYSINFO_H */
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