[mirror_ubuntu-jammy-kernel.git] / arch / s390 / include / asm / sysinfo.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * definition for store system information stsi
 *
 * Copyright IBM Corp. 2001, 2008
 *
 *    Author(s): Ulrich Weigand <weigand@de.ibm.com>
 *		 Christian Borntraeger <borntraeger@de.ibm.com>
 */

#ifndef __ASM_S390_SYSINFO_H
#define __ASM_S390_SYSINFO_H

#include <asm/bitsperlong.h>
#include <linux/uuid.h>

struct sysinfo_1_1_1 {
	unsigned char p:1;
	unsigned char :6;
	unsigned char t:1;
	unsigned char :8;
	unsigned char ccr;
	unsigned char cai;
	char reserved_0[28];
	char manufacturer[16];
	char type[4];
	char reserved_1[12];
	char model_capacity[16];
	char sequence[16];
	char plant[4];
	char model[16];
	char model_perm_cap[16];
	char model_temp_cap[16];
	unsigned int model_cap_rating;
	unsigned int model_perm_cap_rating;
	unsigned int model_temp_cap_rating;
	unsigned char typepct[5];
	unsigned char reserved_2[3];
	unsigned int ncr;
	unsigned int npr;
	unsigned int ntr;
};

struct sysinfo_1_2_1 {
	char reserved_0[80];
	char sequence[16];
	char plant[4];
	char reserved_1[2];
	unsigned short cpu_address;
};

struct sysinfo_1_2_2 {
	char format;
	char reserved_0[1];
	unsigned short acc_offset;
	unsigned char mt_installed :1;
	unsigned char :2;
	unsigned char mt_stid :5;
	unsigned char :3;
	unsigned char mt_gtid :5;
	char reserved_1[18];
	unsigned int nominal_cap;
	unsigned int secondary_cap;
	unsigned int capability;
	unsigned short cpus_total;
	unsigned short cpus_configured;
	unsigned short cpus_standby;
	unsigned short cpus_reserved;
	unsigned short adjustment[0];
};

struct sysinfo_1_2_2_extension {
	unsigned int alt_capability;
	unsigned short alt_adjustment[0];
};

struct sysinfo_2_2_1 {
	char reserved_0[80];
	char sequence[16];
	char plant[4];
	unsigned short cpu_id;
	unsigned short cpu_address;
};

struct sysinfo_2_2_2 {
	char reserved_0[32];
	unsigned short lpar_number;
	char reserved_1;
	unsigned char characteristics;
	unsigned short cpus_total;
	unsigned short cpus_configured;
	unsigned short cpus_standby;
	unsigned short cpus_reserved;
	char name[8];
	unsigned int caf;
	char reserved_2[8];
	unsigned char mt_installed :1;
	unsigned char :2;
	unsigned char mt_stid :5;
	unsigned char :3;
	unsigned char mt_gtid :5;
	unsigned char :3;
	unsigned char mt_psmtid :5;
	char reserved_3[5];
	unsigned short cpus_dedicated;
	unsigned short cpus_shared;
	char reserved_4[3];
	unsigned char vsne;
	uuid_t uuid;
	char reserved_5[160];
	char ext_name[256];
};

#define LPAR_CHAR_DEDICATED	(1 << 7)
#define LPAR_CHAR_SHARED	(1 << 6)
#define LPAR_CHAR_LIMITED	(1 << 5)

struct sysinfo_3_2_2 {
	char reserved_0[31];
	unsigned char :4;
	unsigned char count:4;
	struct {
		char reserved_0[4];
		unsigned short cpus_total;
		unsigned short cpus_configured;
		unsigned short cpus_standby;
		unsigned short cpus_reserved;
		char name[8];
		unsigned int caf;
		char cpi[16];
		char reserved_1[3];
		unsigned char evmne;
		unsigned int reserved_2;
		uuid_t uuid;
	} vm[8];
	char reserved_3[1504];
	char ext_names[8][256];
};

extern int topology_max_mnest;

/*
 * Returns the maximum nesting level supported by the cpu topology code.
 * The current maximum level is 4 which is the drawer level.
 */
static inline unsigned char topology_mnest_limit(void)
{
	return min(topology_max_mnest, 4);
}

#define TOPOLOGY_NR_MAG		6

struct topology_core {
	unsigned char nl;
	unsigned char reserved0[3];
	unsigned char :5;
	unsigned char d:1;
	unsigned char pp:2;
	unsigned char reserved1;
	unsigned short origin;
	unsigned long mask;
};

struct topology_container {
	unsigned char nl;
	unsigned char reserved[6];
	unsigned char id;
};

union topology_entry {
	unsigned char nl;
	struct topology_core cpu;
	struct topology_container container;
};

struct sysinfo_15_1_x {
	unsigned char reserved0[2];
	unsigned short length;
	unsigned char mag[TOPOLOGY_NR_MAG];
	unsigned char reserved1;
	unsigned char mnest;
	unsigned char reserved2[4];
	union topology_entry tle[0];
};

int stsi(void *sysinfo, int fc, int sel1, int sel2);

/*
 * Service level reporting interface.
 */
struct service_level {
	struct list_head list;
	void (*seq_print)(struct seq_file *, struct service_level *);
};

int register_service_level(struct service_level *);
int unregister_service_level(struct service_level *);

int sthyi_fill(void *dst, u64 *rc);
#endif /* __ASM_S390_SYSINFO_H */
Commit	Line	Data
0b73214f	1	/* SPDX-License-Identifier: GPL-2.0 */
aa24f7f0 CB	2	/*
	3	* definition for store system information stsi
	4	*
a53c8fab	5	* Copyright IBM Corp. 2001, 2008
aa24f7f0	6	*
aa24f7f0 CB	7	* Author(s): Ulrich Weigand <weigand@de.ibm.com>
	8	* Christian Borntraeger <borntraeger@de.ibm.com>
	9	*/
	10
f291e172 HC	11	#ifndef __ASM_S390_SYSINFO_H
	12	#define __ASM_S390_SYSINFO_H
	13
c30f91b6	14	#include <asm/bitsperlong.h>
f3d0bd6c	15	#include <linux/uuid.h>
c30f91b6	16
aa24f7f0	17	struct sysinfo_1_1_1 {
25502f00 HC	18	unsigned char p:1;
	19	unsigned char :6;
	20	unsigned char t:1;
	21	unsigned char :8;
7aca2eda HC	22	unsigned char ccr;
	23	unsigned char cai;
	24	char reserved_0[28];
aa24f7f0 CB	25	char manufacturer[16];
	26	char type[4];
	27	char reserved_1[12];
	28	char model_capacity[16];
	29	char sequence[16];
	30	char plant[4];
	31	char model[16];
cbce70e6 MS	32	char model_perm_cap[16];
cbce70e6 MS	33	char model_temp_cap[16];
25502f00 HC	34	unsigned int model_cap_rating;
	35	unsigned int model_perm_cap_rating;
	36	unsigned int model_temp_cap_rating;
	37	unsigned char typepct[5];
	38	unsigned char reserved_2[3];
	39	unsigned int ncr;
	40	unsigned int npr;
	41	unsigned int ntr;
aa24f7f0 CB	42	};
	43
	44	struct sysinfo_1_2_1 {
	45	char reserved_0[80];
	46	char sequence[16];
	47	char plant[4];
	48	char reserved_1[2];
	49	unsigned short cpu_address;
	50	};
	51
	52	struct sysinfo_1_2_2 {
	53	char format;
	54	char reserved_0[1];
	55	unsigned short acc_offset;
7022ec49 HC	56	unsigned char mt_installed :1;
	57	unsigned char :2;
	58	unsigned char mt_stid :5;
	59	unsigned char :3;
	60	unsigned char mt_gtid :5;
	61	char reserved_1[18];
25502f00 HC	62	unsigned int nominal_cap;
25502f00 HC	63	unsigned int secondary_cap;
aa24f7f0 CB	64	unsigned int capability;
	65	unsigned short cpus_total;
	66	unsigned short cpus_configured;
	67	unsigned short cpus_standby;
	68	unsigned short cpus_reserved;
	69	unsigned short adjustment[0];
	70	};
	71
	72	struct sysinfo_1_2_2_extension {
	73	unsigned int alt_capability;
	74	unsigned short alt_adjustment[0];
	75	};
	76
	77	struct sysinfo_2_2_1 {
	78	char reserved_0[80];
	79	char sequence[16];
	80	char plant[4];
	81	unsigned short cpu_id;
	82	unsigned short cpu_address;
	83	};
	84
	85	struct sysinfo_2_2_2 {
	86	char reserved_0[32];
	87	unsigned short lpar_number;
	88	char reserved_1;
	89	unsigned char characteristics;
	90	unsigned short cpus_total;
	91	unsigned short cpus_configured;
	92	unsigned short cpus_standby;
	93	unsigned short cpus_reserved;
	94	char name[8];
	95	unsigned int caf;
10ad34bc	96	char reserved_2[8];
7022ec49 HC	97	unsigned char mt_installed :1;
	98	unsigned char :2;
	99	unsigned char mt_stid :5;
	100	unsigned char :3;
	101	unsigned char mt_gtid :5;
	102	unsigned char :3;
	103	unsigned char mt_psmtid :5;
10ad34bc	104	char reserved_3[5];
aa24f7f0 CB	105	unsigned short cpus_dedicated;
aa24f7f0 CB	106	unsigned short cpus_shared;
e32eae10 VM	107	char reserved_4[3];
e32eae10 VM	108	unsigned char vsne;
e64e17a5	109	uuid_t uuid;
e32eae10 VM	110	char reserved_5[160];
e32eae10 VM	111	char ext_name[256];
aa24f7f0 CB	112	};
	113
	114	#define LPAR_CHAR_DEDICATED (1 << 7)
	115	#define LPAR_CHAR_SHARED (1 << 6)
	116	#define LPAR_CHAR_LIMITED (1 << 5)
	117
	118	struct sysinfo_3_2_2 {
	119	char reserved_0[31];
8387c736 HC	120	unsigned char :4;
8387c736 HC	121	unsigned char count:4;
aa24f7f0 CB	122	struct {
	123	char reserved_0[4];
	124	unsigned short cpus_total;
	125	unsigned short cpus_configured;
	126	unsigned short cpus_standby;
	127	unsigned short cpus_reserved;
	128	char name[8];
	129	unsigned int caf;
	130	char cpi[16];
f3d0bd6c	131	char reserved_1[3];
e32eae10	132	unsigned char evmne;
f3d0bd6c	133	unsigned int reserved_2;
e64e17a5	134	uuid_t uuid;
aa24f7f0	135	} vm[8];
f3d0bd6c ET	136	char reserved_3[1504];
f3d0bd6c ET	137	char ext_names[8][256];
aa24f7f0 CB	138	};
aa24f7f0 CB	139
fade4dc4 HC	140	extern int topology_max_mnest;
fade4dc4 HC	141
ae5ca67a HC	142	/*
	143	* Returns the maximum nesting level supported by the cpu topology code.
	144	* The current maximum level is 4 which is the drawer level.
	145	*/
80ba3846	146	static inline unsigned char topology_mnest_limit(void)
ae5ca67a HC	147	{
	148	return min(topology_max_mnest, 4);
	149	}
	150
c30f91b6 HC	151	#define TOPOLOGY_NR_MAG 6
c30f91b6 HC	152
10ad34bc MS	153	struct topology_core {
	154	unsigned char nl;
	155	unsigned char reserved0[3];
1887aa07 MS	156	unsigned char :5;
1887aa07 MS	157	unsigned char d:1;
c30f91b6 HC	158	unsigned char pp:2;
	159	unsigned char reserved1;
	160	unsigned short origin;
251ea0ca	161	unsigned long mask;
c30f91b6 HC	162	};
	163
	164	struct topology_container {
10ad34bc MS	165	unsigned char nl;
10ad34bc MS	166	unsigned char reserved[6];
c30f91b6 HC	167	unsigned char id;
	168	};
	169
	170	union topology_entry {
	171	unsigned char nl;
10ad34bc	172	struct topology_core cpu;
c30f91b6 HC	173	struct topology_container container;
	174	};
	175
	176	struct sysinfo_15_1_x {
	177	unsigned char reserved0[2];
	178	unsigned short length;
	179	unsigned char mag[TOPOLOGY_NR_MAG];
	180	unsigned char reserved1;
	181	unsigned char mnest;
	182	unsigned char reserved2[4];
	183	union topology_entry tle[0];
	184	};
	185
caf757c6	186	int stsi(void *sysinfo, int fc, int sel1, int sel2);
f291e172	187
6bcac508 MS	188	/*
	189	* Service level reporting interface.
	190	*/
	191	struct service_level {
	192	struct list_head list;
	193	void (seq_print)(struct seq_file , struct service_level *);
	194	};
	195
	196	int register_service_level(struct service_level *);
	197	int unregister_service_level(struct service_level *);
	198
b7c92f1a	199	int sthyi_fill(void dst, u64 rc);
f291e172	200	#endif /* __ASM_S390_SYSINFO_H */