linux_dsm_epyc7002/arch/sh/include/asm/hw_breakpoint.h
Frederic Weisbecker cffbb3bd44 perf/hw_breakpoint: Remove default hw_breakpoint_arch_parse()
All architectures have implemented it, we can now remove the poor weak
version.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joel Fernandes <joel.opensrc@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/1529981939-8231-11-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-06-26 09:07:58 +02:00

74 lines
1.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_HW_BREAKPOINT_H
#define __ASM_SH_HW_BREAKPOINT_H
#include <uapi/asm/hw_breakpoint.h>
#define __ARCH_HW_BREAKPOINT_H
#include <linux/kdebug.h>
#include <linux/types.h>
struct arch_hw_breakpoint {
unsigned long address;
u16 len;
u16 type;
};
enum {
SH_BREAKPOINT_READ = (1 << 1),
SH_BREAKPOINT_WRITE = (1 << 2),
SH_BREAKPOINT_RW = SH_BREAKPOINT_READ | SH_BREAKPOINT_WRITE,
SH_BREAKPOINT_LEN_1 = (1 << 12),
SH_BREAKPOINT_LEN_2 = (1 << 13),
SH_BREAKPOINT_LEN_4 = SH_BREAKPOINT_LEN_1 | SH_BREAKPOINT_LEN_2,
SH_BREAKPOINT_LEN_8 = (1 << 14),
};
struct sh_ubc {
const char *name;
unsigned int num_events;
unsigned int trap_nr;
void (*enable)(struct arch_hw_breakpoint *, int);
void (*disable)(struct arch_hw_breakpoint *, int);
void (*enable_all)(unsigned long);
void (*disable_all)(void);
unsigned long (*active_mask)(void);
unsigned long (*triggered_mask)(void);
void (*clear_triggered_mask)(unsigned long);
struct clk *clk; /* optional interface clock / MSTP bit */
};
struct perf_event_attr;
struct perf_event;
struct task_struct;
struct pmu;
/* Maximum number of UBC channels */
#define HBP_NUM 2
static inline int hw_breakpoint_slots(int type)
{
return HBP_NUM;
}
/* arch/sh/kernel/hw_breakpoint.c */
extern int arch_check_bp_in_kernelspace(struct arch_hw_breakpoint *hw);
extern int hw_breakpoint_arch_parse(struct perf_event *bp,
const struct perf_event_attr *attr,
struct arch_hw_breakpoint *hw);
extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
unsigned long val, void *data);
int arch_install_hw_breakpoint(struct perf_event *bp);
void arch_uninstall_hw_breakpoint(struct perf_event *bp);
void hw_breakpoint_pmu_read(struct perf_event *bp);
extern void arch_fill_perf_breakpoint(struct perf_event *bp);
extern int register_sh_ubc(struct sh_ubc *);
extern struct pmu perf_ops_bp;
#endif /* __ASM_SH_HW_BREAKPOINT_H */