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/usr/src/linux-headers-5.15.0-181/arch/s390/include/uapi/asm/

/usr/src/linux-headers-5.15.0-181/arch/s390/include/uapi/asm

Name	Size	Mode	Actions
auxvec.h	214	0644	edit dl rm
bitsperlong.h	293	0644	edit dl rm
bpf_perf_event.h	250	0644	edit dl rm
byteorder.h	188	0644	edit dl rm
chpid.h	456	0644	edit dl rm
chsc.h	2903	0644	edit dl rm
clp.h	549	0644	edit dl rm
cmb.h	1919	0644	edit dl rm
dasd.h	12658	0644	edit dl rm
guarded_storage.h	1208	0644	edit dl rm
hwctrset.h	1689	0644	edit dl rm
hypfs.h	1382	0644	edit dl rm
ioctls.h	191	0644	edit dl rm
ipcbuf.h	770	0644	edit dl rm
ipl.h	3297	0644	edit dl rm
Kbuild	90	0644	edit dl rm
kvm.h	8269	0644	edit dl rm
kvm_para.h	224	0644	edit dl rm
kvm_perf.h	474	0644	edit dl rm
monwriter.h	939	0644	edit dl rm
perf_regs.h	887	0644	edit dl rm
pkey.h	20741	0644	edit dl rm
posix_types.h	1594	0644	edit dl rm
ptrace.h	11719	0644	edit dl rm
qeth.h	3119	0644	edit dl rm
runtime_instr.h	1424	0644	edit dl rm
schid.h	380	0644	edit dl rm
sclp_ctl.h	465	0644	edit dl rm
setup.h	256	0644	edit dl rm
sie.h	9469	0644	edit dl rm
sigcontext.h	1772	0644	edit dl rm
signal.h	3056	0644	edit dl rm
stat.h	2966	0644	edit dl rm
statfs.h	1058	0644	edit dl rm
sthyi.h	178	0644	edit dl rm
tape390.h	2830	0644	edit dl rm
termios.h	1170	0644	edit dl rm
types.h	525	0644	edit dl rm
ucontext.h	1207	0644	edit dl rm
unistd.h	326	0644	edit dl rm
uvdevice.h	1668	0644	edit dl rm
virtio-ccw.h	444	0644	edit dl rm
vmcp.h	737	0644	edit dl rm
vtoc.h	7539	0644	edit dl rm
zcrypt.h	11426	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/s390/include/uapi/asm/hwctrset.h (1689B)

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright IBM Corp. 2021
 * Interface implementation for communication with the CPU Measurement
 * counter facility device driver.
 *
 * Author(s): Thomas Richter <tmricht@linux.ibm.com>
 *
 * Define for ioctl() commands to communicate with the CPU Measurement
 * counter facility device driver.
 */

#ifndef _PERF_CPUM_CF_DIAG_H
#define _PERF_CPUM_CF_DIAG_H

#include <linux/ioctl.h>
#include <linux/types.h>

#define S390_HWCTR_DEVICE		"hwctr"
#define S390_HWCTR_START_VERSION	1

struct s390_ctrset_start {		/* Set CPUs to operate on */
	__u64 version;			/* Version of interface */
	__u64 data_bytes;		/* # of bytes required */
	__u64 cpumask_len;		/* Length of CPU mask in bytes */
	__u64 *cpumask;			/* Pointer to CPU mask */
	__u64 counter_sets;		/* Bit mask of counter sets to get */
};

struct s390_ctrset_setdata {		/* Counter set data */
	__u32 set;			/* Counter set number */
	__u32 no_cnts;			/* # of counters stored in cv[] */
	__u64 cv[0];			/* Counter values (variable length) */
};

struct s390_ctrset_cpudata {		/* Counter set data per CPU */
	__u32 cpu_nr;			/* CPU number */
	__u32 no_sets;			/* # of counters sets in data[] */
	struct s390_ctrset_setdata data[0];
};

struct s390_ctrset_read {		/* Structure to get all ctr sets */
	__u64 no_cpus;			/* Total # of CPUs data taken from */
	struct s390_ctrset_cpudata data[0];
};

#define S390_HWCTR_MAGIC	'C'	/* Random magic # for ioctls */
#define	S390_HWCTR_START	_IOWR(S390_HWCTR_MAGIC, 1, struct s390_ctrset_start)
#define	S390_HWCTR_STOP		_IO(S390_HWCTR_MAGIC, 2)
#define	S390_HWCTR_READ		_IOWR(S390_HWCTR_MAGIC, 3, struct s390_ctrset_read)
#endif

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