^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2001-2003 Hewlett-Packard Co
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Stephane Eranian <eranian@hpl.hp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef _ASM_IA64_PERFMON_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define _ASM_IA64_PERFMON_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <uapi/asm/perfmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) extern long perfmonctl(int fd, int cmd, void *arg, int narg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) void (*handler)(int irq, void *arg, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) } pfm_intr_handler_desc_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern void pfm_save_regs (struct task_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) extern void pfm_load_regs (struct task_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) extern void pfm_exit_thread(struct task_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) extern int pfm_use_debug_registers(struct task_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) extern int pfm_release_debug_registers(struct task_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) extern void pfm_syst_wide_update_task(struct task_struct *, unsigned long info, int is_ctxswin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) extern void pfm_inherit(struct task_struct *task, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) extern void pfm_init_percpu(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) extern void pfm_handle_work(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) extern int pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) extern int pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * Reset PMD register flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define PFM_PMD_SHORT_RESET 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define PFM_PMD_LONG_RESET 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) typedef union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) unsigned int notify_user:1; /* notify user program of overflow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) unsigned int reset_ovfl_pmds:1; /* reset overflowed PMDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) unsigned int block_task:1; /* block monitored task on kernel exit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned int mask_monitoring:1; /* mask monitors via PMCx.plm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) unsigned int reserved:28; /* for future use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) } bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) } pfm_ovfl_ctrl_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) unsigned char ovfl_pmd; /* index of overflowed PMD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) unsigned char ovfl_notify; /* =1 if monitor requested overflow notification */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) unsigned short active_set; /* event set active at the time of the overflow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) pfm_ovfl_ctrl_t ovfl_ctrl; /* return: perfmon controls to set by handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) unsigned long pmd_last_reset; /* last reset value of of the PMD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) unsigned long smpl_pmds[4]; /* bitmask of other PMD of interest on overflow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) unsigned long smpl_pmds_values[PMU_MAX_PMDS]; /* values for the other PMDs of interest */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) unsigned long pmd_value; /* current 64-bit value of the PMD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) unsigned long pmd_eventid; /* eventid associated with PMD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) } pfm_ovfl_arg_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) char *fmt_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) pfm_uuid_t fmt_uuid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) size_t fmt_arg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) unsigned long fmt_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) int (*fmt_validate)(struct task_struct *task, unsigned int flags, int cpu, void *arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int (*fmt_getsize)(struct task_struct *task, unsigned int flags, int cpu, void *arg, unsigned long *size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int (*fmt_init)(struct task_struct *task, void *buf, unsigned int flags, int cpu, void *arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int (*fmt_handler)(struct task_struct *task, void *buf, pfm_ovfl_arg_t *arg, struct pt_regs *regs, unsigned long stamp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int (*fmt_restart)(struct task_struct *task, pfm_ovfl_ctrl_t *ctrl, void *buf, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int (*fmt_restart_active)(struct task_struct *task, pfm_ovfl_ctrl_t *ctrl, void *buf, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int (*fmt_exit)(struct task_struct *task, void *buf, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct list_head fmt_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) } pfm_buffer_fmt_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) extern int pfm_register_buffer_fmt(pfm_buffer_fmt_t *fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) extern int pfm_unregister_buffer_fmt(pfm_uuid_t uuid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * perfmon interface exported to modules
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) extern int pfm_mod_read_pmds(struct task_struct *, void *req, unsigned int nreq, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) extern int pfm_mod_write_pmcs(struct task_struct *, void *req, unsigned int nreq, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) extern int pfm_mod_write_ibrs(struct task_struct *task, void *req, unsigned int nreq, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) extern int pfm_mod_write_dbrs(struct task_struct *task, void *req, unsigned int nreq, struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * describe the content of the local_cpu_date->pfm_syst_info field
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define PFM_CPUINFO_SYST_WIDE 0x1 /* if set a system wide session exists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define PFM_CPUINFO_DCR_PP 0x2 /* if set the system wide session has started */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define PFM_CPUINFO_EXCL_IDLE 0x4 /* the system wide session excludes the idle task */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * sysctl control structure. visible to sampling formats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) typedef struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) int debug; /* turn on/off debugging via syslog */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int debug_ovfl; /* turn on/off debug printk in overflow handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int fastctxsw; /* turn on/off fast (unsecure) ctxsw */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) int expert_mode; /* turn on/off value checking */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) } pfm_sysctl_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) extern pfm_sysctl_t pfm_sysctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #endif /* _ASM_IA64_PERFMON_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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