add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/include/asm/perf_event_server.h
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@@ -1,12 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * Performance event support - PowerPC classic/server specific definitions.
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  *
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  * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #include <linux/types.h>
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@@ -21,6 +17,13 @@
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 struct perf_event;
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+struct mmcr_regs {
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+	unsigned long mmcr0;
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+	unsigned long mmcr1;
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+	unsigned long mmcr2;
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+	unsigned long mmcra;
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+	unsigned long mmcr3;
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+};
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 /*
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  * This struct provides the constants and functions needed to
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  * describe the PMU on a particular POWER-family CPU.
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@@ -32,7 +35,7 @@
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 	unsigned long	add_fields;
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 	unsigned long	test_adder;
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 	int		(*compute_mmcr)(u64 events[], int n_ev,
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-				unsigned int hwc[], unsigned long mmcr[],
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+				unsigned int hwc[], struct mmcr_regs *mmcr,
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 				struct perf_event *pevents[]);
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 	int		(*get_constraint)(u64 event_id, unsigned long *mskp,
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 				unsigned long *valp);
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@@ -41,15 +44,17 @@
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 	void		(*get_mem_data_src)(union perf_mem_data_src *dsrc,
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 				u32 flags, struct pt_regs *regs);
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 	void		(*get_mem_weight)(u64 *weight);
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+	unsigned long	group_constraint_mask;
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+	unsigned long	group_constraint_val;
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 	u64             (*bhrb_filter_map)(u64 branch_sample_type);
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 	void            (*config_bhrb)(u64 pmu_bhrb_filter);
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-	void		(*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
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+	void		(*disable_pmc)(unsigned int pmc, struct mmcr_regs *mmcr);
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 	int		(*limited_pmc_event)(u64 event_id);
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 	u32		flags;
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 	const struct attribute_group	**attr_groups;
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 	int		n_generic;
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 	int		*generic_events;
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-	int		(*cache_events)[PERF_COUNT_HW_CACHE_MAX]
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+	u64		(*cache_events)[PERF_COUNT_HW_CACHE_MAX]
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 			       [PERF_COUNT_HW_CACHE_OP_MAX]
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 			       [PERF_COUNT_HW_CACHE_RESULT_MAX];
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@@ -57,6 +62,11 @@
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 	int 		*blacklist_ev;
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 	/* BHRB entries in the PMU */
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 	int		bhrb_nr;
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+	/*
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+	 * set this flag with `PERF_PMU_CAP_EXTENDED_REGS` if
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+	 * the pmu supports extended perf regs capability
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+	 */
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+	int		capabilities;
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 };
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 /*
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@@ -71,6 +81,7 @@
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 #define PPMU_HAS_SIER		0x00000040 /* Has SIER */
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 #define PPMU_ARCH_207S		0x00000080 /* PMC is architecture v2.07S */
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 #define PPMU_NO_SIAR		0x00000100 /* Do not use SIAR */
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+#define PPMU_ARCH_31		0x00000200 /* Has MMCR3, SIER2 and SIER3 */
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 /*
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  * Values for flags to get_alternatives()