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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2001-2003 Hewlett-Packard Co
 *               Stephane Eranian <eranian@hpl.hp.com>
 */
#ifndef _ASM_IA64_PERFMON_H
#define _ASM_IA64_PERFMON_H

#include <uapi/asm/perfmon.h>


extern long perfmonctl(int fd, int cmd, void *arg, int narg);

typedef struct {
	void (*handler)(int irq, void *arg, struct pt_regs *regs);
} pfm_intr_handler_desc_t;

extern void pfm_save_regs (struct task_struct *);
extern void pfm_load_regs (struct task_struct *);

extern void pfm_exit_thread(struct task_struct *);
extern int  pfm_use_debug_registers(struct task_struct *);
extern int  pfm_release_debug_registers(struct task_struct *);
extern void pfm_syst_wide_update_task(struct task_struct *, unsigned long info, int is_ctxswin);
extern void pfm_inherit(struct task_struct *task, struct pt_regs *regs);
extern void pfm_init_percpu(void);
extern void pfm_handle_work(void);
extern int  pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);
extern int  pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);



/*
 * Reset PMD register flags
 */
#define PFM_PMD_SHORT_RESET	0
#define PFM_PMD_LONG_RESET	1

typedef union {
	unsigned int val;
	struct {
		unsigned int notify_user:1;	/* notify user program of overflow */
		unsigned int reset_ovfl_pmds:1;	/* reset overflowed PMDs */
		unsigned int block_task:1;	/* block monitored task on kernel exit */
		unsigned int mask_monitoring:1; /* mask monitors via PMCx.plm */
		unsigned int reserved:28;	/* for future use */
	} bits;
} pfm_ovfl_ctrl_t;

typedef struct {
	unsigned char	ovfl_pmd;			/* index of overflowed PMD  */
	unsigned char   ovfl_notify;			/* =1 if monitor requested overflow notification */
	unsigned short  active_set;			/* event set active at the time of the overflow */
	pfm_ovfl_ctrl_t ovfl_ctrl;			/* return: perfmon controls to set by handler */

	unsigned long   pmd_last_reset;			/* last reset value of of the PMD */
	unsigned long	smpl_pmds[4];			/* bitmask of other PMD of interest on overflow */
	unsigned long   smpl_pmds_values[PMU_MAX_PMDS]; /* values for the other PMDs of interest */
	unsigned long   pmd_value;			/* current 64-bit value of the PMD */
	unsigned long	pmd_eventid;			/* eventid associated with PMD */
} pfm_ovfl_arg_t;


typedef struct {
	char		*fmt_name;
	pfm_uuid_t	fmt_uuid;
	size_t		fmt_arg_size;
	unsigned long	fmt_flags;

	int		(*fmt_validate)(struct task_struct *task, unsigned int flags, int cpu, void *arg);
	int		(*fmt_getsize)(struct task_struct *task, unsigned int flags, int cpu, void *arg, unsigned long *size);
	int 		(*fmt_init)(struct task_struct *task, void *buf, unsigned int flags, int cpu, void *arg);
	int		(*fmt_handler)(struct task_struct *task, void *buf, pfm_ovfl_arg_t *arg, struct pt_regs *regs, unsigned long stamp);
	int		(*fmt_restart)(struct task_struct *task, pfm_ovfl_ctrl_t *ctrl, void *buf, struct pt_regs *regs);
	int		(*fmt_restart_active)(struct task_struct *task, pfm_ovfl_ctrl_t *ctrl, void *buf, struct pt_regs *regs);
	int		(*fmt_exit)(struct task_struct *task, void *buf, struct pt_regs *regs);

	struct list_head fmt_list;
} pfm_buffer_fmt_t;

extern int pfm_register_buffer_fmt(pfm_buffer_fmt_t *fmt);
extern int pfm_unregister_buffer_fmt(pfm_uuid_t uuid);

/*
 * perfmon interface exported to modules
 */
extern int pfm_mod_read_pmds(struct task_struct *, void *req, unsigned int nreq, struct pt_regs *regs);
extern int pfm_mod_write_pmcs(struct task_struct *, void *req, unsigned int nreq, struct pt_regs *regs);
extern int pfm_mod_write_ibrs(struct task_struct *task, void *req, unsigned int nreq, struct pt_regs *regs);
extern int pfm_mod_write_dbrs(struct task_struct *task, void *req, unsigned int nreq, struct pt_regs *regs);

/*
 * describe the content of the local_cpu_date->pfm_syst_info field
 */
#define PFM_CPUINFO_SYST_WIDE	0x1	/* if set a system wide session exists */
#define PFM_CPUINFO_DCR_PP	0x2	/* if set the system wide session has started */
#define PFM_CPUINFO_EXCL_IDLE	0x4	/* the system wide session excludes the idle task */

/*
 * sysctl control structure. visible to sampling formats
 */
typedef struct {
	int	debug;		/* turn on/off debugging via syslog */
	int	debug_ovfl;	/* turn on/off debug printk in overflow handler */
	int	fastctxsw;	/* turn on/off fast (unsecure) ctxsw */
	int	expert_mode;	/* turn on/off value checking */
} pfm_sysctl_t;
extern pfm_sysctl_t pfm_sysctl;


#endif /* _ASM_IA64_PERFMON_H */

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native Folder 0755
sn Folder 0755
uv Folder 0755
Kbuild File 224 B 0644
acenv.h File 1.27 KB 0644
acpi-ext.h File 590 B 0644
acpi.h File 4.1 KB 0644
agp.h File 857 B 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 890 B 0644
asmmacro.h File 3.29 KB 0644
atomic.h File 9.47 KB 0644
barrier.h File 2.36 KB 0644
bitops.h File 10.84 KB 0644
bug.h File 404 B 0644
bugs.h File 436 B 0644
cache.h File 771 B 0644
cacheflush.h File 1.71 KB 0644
checksum.h File 2.1 KB 0644
clocksource.h File 276 B 0644
cpu.h File 456 B 0644
cputime.h File 855 B 0644
current.h File 418 B 0644
cyclone.h File 442 B 0644
delay.h File 1.7 KB 0644
device.h File 323 B 0644
div64.h File 31 B 0644
dma-mapping.h File 1.17 KB 0644
dma.h File 466 B 0644
dmi.h File 343 B 0644
early_ioremap.h File 428 B 0644
elf.h File 9.83 KB 0644
emergency-restart.h File 149 B 0644
esi.h File 887 B 0644
exception.h File 1.13 KB 0644
export.h File 115 B 0644
extable.h File 330 B 0644
fb.h File 569 B 0644
fpswa.h File 1.88 KB 0644
ftrace.h File 748 B 0644
futex.h File 2.56 KB 0644
gcc_intrin.h File 368 B 0644
hardirq.h File 564 B 0644
hpsim.h File 364 B 0644
hugetlb.h File 1.67 KB 0644
hw_irq.h File 6.33 KB 0644
idle.h File 200 B 0644
intrinsics.h File 306 B 0644
io.h File 11.77 KB 0644
iommu.h File 555 B 0644
iommu_table.h File 175 B 0644
iosapic.h File 3.16 KB 0644
irq.h File 1.02 KB 0644
irq_regs.h File 34 B 0644
irq_remapping.h File 142 B 0644
irqflags.h File 2.11 KB 0644
kdebug.h File 1.64 KB 0644
kexec.h File 1.57 KB 0644
kmap_types.h File 260 B 0644
kprobes.h File 3.82 KB 0644
kregs.h File 6.73 KB 0644
libata-portmap.h File 225 B 0644
linkage.h File 398 B 0644
local.h File 31 B 0644
local64.h File 33 B 0644
machvec.h File 12.1 KB 0644
machvec_dig.h File 449 B 0644
machvec_dig_vtd.h File 558 B 0644
machvec_hpsim.h File 544 B 0644
machvec_hpzx1.h File 544 B 0644
machvec_hpzx1_swiotlb.h File 632 B 0644
machvec_init.h File 1.33 KB 0644
machvec_sn2.h File 4.71 KB 0644
machvec_uv.h File 684 B 0644
mca.h File 5.91 KB 0644
mca_asm.h File 7.18 KB 0644
meminit.h File 2.24 KB 0644
mman.h File 432 B 0644
mmu.h File 374 B 0644
mmu_context.h File 5.29 KB 0644
mmzone.h File 1.1 KB 0644
module.h File 1.1 KB 0644
msidef.h File 1.4 KB 0644
nodedata.h File 1.85 KB 0644
numa.h File 2.18 KB 0644
page.h File 6.49 KB 0644
pal.h File 53.39 KB 0644
param.h File 439 B 0644
parport.h File 534 B 0644
patch.h File 1.19 KB 0644
pci.h File 2.83 KB 0644
percpu.h File 1.32 KB 0644
perfmon.h File 4.33 KB 0644
pgalloc.h File 2.84 KB 0644
pgtable.h File 20.92 KB 0644
processor.h File 17.98 KB 0644
ptrace.h File 5.2 KB 0644
rwsem.h File 3.82 KB 0644
sal.h File 26.51 KB 0644
sections.h File 1.35 KB 0644
segment.h File 162 B 0644
serial.h File 446 B 0644
shmparam.h File 445 B 0644
signal.h File 749 B 0644
smp.h File 3.21 KB 0644
sparsemem.h File 621 B 0644
spinlock.h File 6.92 KB 0644
spinlock_types.h File 475 B 0644
string.h File 659 B 0644
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xor.h File 1.12 KB 0644