arch/powerpc/perf/isa207-common.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright 2009 Paul Mackerras, IBM Corporation.
  * Copyright 2013 Michael Ellerman, IBM Corporation.
  * Copyright 2016 Madhavan Srinivasan, IBM Corporation.
  */

 #ifndef _LINUX_POWERPC_PERF_ISA207_COMMON_H_
 #define _LINUX_POWERPC_PERF_ISA207_COMMON_H_

 #include <linux/kernel.h>
 #include <linux/perf_event.h>
 #include <asm/firmware.h>
 #include <asm/cputable.h>

 #include "internal.h"

 #define EVENT_EBB_MASK		1ull
 #define EVENT_EBB_SHIFT		PERF_EVENT_CONFIG_EBB_SHIFT
 #define EVENT_BHRB_MASK		1ull
 #define EVENT_BHRB_SHIFT	62
 #define EVENT_WANTS_BHRB	(EVENT_BHRB_MASK << EVENT_BHRB_SHIFT)
 #define EVENT_IFM_MASK		3ull
 #define EVENT_IFM_SHIFT		60
 #define EVENT_THR_CMP_SHIFT	40	/* Threshold CMP value */
 #define EVENT_THR_CMP_MASK	0x3ff
 #define EVENT_THR_CTL_SHIFT	32	/* Threshold control value (start/stop) */
 #define EVENT_THR_CTL_MASK	0xffull
 #define EVENT_THR_SEL_SHIFT	29	/* Threshold select value */
 #define EVENT_THR_SEL_MASK	0x7
 #define EVENT_THRESH_SHIFT	29	/* All threshold bits */
 #define EVENT_THRESH_MASK	0x1fffffull
 #define EVENT_SAMPLE_SHIFT	24	/* Sampling mode & eligibility */
 #define EVENT_SAMPLE_MASK	0x1f
 #define EVENT_CACHE_SEL_SHIFT	20	/* L2/L3 cache select */
 #define EVENT_CACHE_SEL_MASK	0xf
 #define EVENT_IS_L1		(4 << EVENT_CACHE_SEL_SHIFT)
 #define EVENT_PMC_SHIFT		16	/* PMC number (1-based) */
 #define EVENT_PMC_MASK		0xf
 #define EVENT_UNIT_SHIFT	12	/* Unit */
 #define EVENT_UNIT_MASK		0xf
 #define EVENT_COMBINE_SHIFT	11	/* Combine bit */
 #define EVENT_COMBINE_MASK	0x1
 #define EVENT_COMBINE(v)	(((v) >> EVENT_COMBINE_SHIFT) & EVENT_COMBINE_MASK)
 #define EVENT_MARKED_SHIFT	8	/* Marked bit */
 #define EVENT_MARKED_MASK	0x1
 #define EVENT_IS_MARKED		(EVENT_MARKED_MASK << EVENT_MARKED_SHIFT)
 #define EVENT_PSEL_MASK		0xff	/* PMCxSEL value */

 /* Bits defined by Linux */
 #define EVENT_LINUX_MASK	\
 	((EVENT_EBB_MASK  << EVENT_EBB_SHIFT)			|	\
 	 (EVENT_BHRB_MASK << EVENT_BHRB_SHIFT)			|	\
 	 (EVENT_IFM_MASK  << EVENT_IFM_SHIFT))

 #define EVENT_VALID_MASK	\
 	((EVENT_THRESH_MASK    << EVENT_THRESH_SHIFT)		|	\
 	 (EVENT_SAMPLE_MASK    << EVENT_SAMPLE_SHIFT)		|	\
 	 (EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT)	|	\
 	 (EVENT_PMC_MASK       << EVENT_PMC_SHIFT)		|	\
 	 (EVENT_UNIT_MASK      << EVENT_UNIT_SHIFT)		|	\
 	 (EVENT_COMBINE_MASK   << EVENT_COMBINE_SHIFT)		|	\
 	 (EVENT_MARKED_MASK    << EVENT_MARKED_SHIFT)		|	\
 	  EVENT_LINUX_MASK					|	\
 	  EVENT_PSEL_MASK)

 #define ONLY_PLM \
 	(PERF_SAMPLE_BRANCH_USER        |\
 	 PERF_SAMPLE_BRANCH_KERNEL      |\
 	 PERF_SAMPLE_BRANCH_HV)

 /* Contants to support power9 raw encoding format */
 #define p9_EVENT_COMBINE_SHIFT	10	/* Combine bit */
 #define p9_EVENT_COMBINE_MASK	0x3ull
 #define p9_EVENT_COMBINE(v)	(((v) >> p9_EVENT_COMBINE_SHIFT) & p9_EVENT_COMBINE_MASK)
 #define p9_SDAR_MODE_SHIFT	50
 #define p9_SDAR_MODE_MASK	0x3ull
 #define p9_SDAR_MODE(v)		(((v) >> p9_SDAR_MODE_SHIFT) & p9_SDAR_MODE_MASK)

 #define p9_EVENT_VALID_MASK		\
 	((p9_SDAR_MODE_MASK   << p9_SDAR_MODE_SHIFT		|	\
 	(EVENT_THRESH_MASK    << EVENT_THRESH_SHIFT)		|	\
 	(EVENT_SAMPLE_MASK    << EVENT_SAMPLE_SHIFT)		|	\
 	(EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT)		|	\
 	(EVENT_PMC_MASK       << EVENT_PMC_SHIFT)		|	\
 	(EVENT_UNIT_MASK      << EVENT_UNIT_SHIFT)		|	\
 	(p9_EVENT_COMBINE_MASK << p9_EVENT_COMBINE_SHIFT)	|	\
 	(EVENT_MARKED_MASK    << EVENT_MARKED_SHIFT)		|	\
 	 EVENT_LINUX_MASK					|	\
 	 EVENT_PSEL_MASK))

 /* Contants to support power10 raw encoding format */
 #define p10_SDAR_MODE_SHIFT		22
 #define p10_SDAR_MODE_MASK		0x3ull
 #define p10_SDAR_MODE(v)		(((v) >> p10_SDAR_MODE_SHIFT) & \
 					p10_SDAR_MODE_MASK)
 #define p10_EVENT_L2L3_SEL_MASK		0x1f
 #define p10_L2L3_SEL_SHIFT		3
 #define p10_L2L3_EVENT_SHIFT		40
 #define p10_EVENT_THRESH_MASK		0xffffull
 #define p10_EVENT_CACHE_SEL_MASK	0x3ull
 #define p10_EVENT_MMCR3_MASK		0x7fffull
 #define p10_EVENT_MMCR3_SHIFT		45

 #define p10_EVENT_VALID_MASK		\
 	((p10_SDAR_MODE_MASK   << p10_SDAR_MODE_SHIFT		|	\
 	(p10_EVENT_THRESH_MASK  << EVENT_THRESH_SHIFT)		|	\
 	(EVENT_SAMPLE_MASK     << EVENT_SAMPLE_SHIFT)		|	\
 	(p10_EVENT_CACHE_SEL_MASK  << EVENT_CACHE_SEL_SHIFT)	|	\
 	(EVENT_PMC_MASK        << EVENT_PMC_SHIFT)		|	\
 	(EVENT_UNIT_MASK       << EVENT_UNIT_SHIFT)		|	\
 	(p9_EVENT_COMBINE_MASK << p9_EVENT_COMBINE_SHIFT)	|	\
 	(p10_EVENT_MMCR3_MASK  << p10_EVENT_MMCR3_SHIFT)	|	\
 	(EVENT_MARKED_MASK     << EVENT_MARKED_SHIFT)		|	\
 	 EVENT_LINUX_MASK					|	\
 	EVENT_PSEL_MASK))
 /*
  * Layout of constraint bits:
  *
  *        60        56        52        48        44        40        36        32
  * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
  *   [   fab_match   ]         [       thresh_cmp      ] [   thresh_ctl    ] [   ]
  *                                                                             |
  *                                                                 thresh_sel -*
  *
  *        28        24        20        16        12         8         4         0
  * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
  *               [ ] |   [ ]   [  sample ]   [     ]   [6] [5]   [4] [3]   [2] [1]
  *                |  |    |                     |
  *      BHRB IFM -*  |    |                     |      Count of events for each PMC.
  *              EBB -*    |                     |        p1, p2, p3, p4, p5, p6.
  *      L1 I/D qualifier -*                     |
  *                     nc - number of counters -*
  *
  * The PMC fields P1..P6, and NC, are adder fields. As we accumulate constraints
  * we want the low bit of each field to be added to any existing value.
  *
  * Everything else is a value field.
  */

 #define CNST_FAB_MATCH_VAL(v)	(((v) & EVENT_THR_CTL_MASK) << 56)
 #define CNST_FAB_MATCH_MASK	CNST_FAB_MATCH_VAL(EVENT_THR_CTL_MASK)

 /* We just throw all the threshold bits into the constraint */
 #define CNST_THRESH_VAL(v)	(((v) & EVENT_THRESH_MASK) << 32)
 #define CNST_THRESH_MASK	CNST_THRESH_VAL(EVENT_THRESH_MASK)

 #define CNST_EBB_VAL(v)		(((v) & EVENT_EBB_MASK) << 24)
 #define CNST_EBB_MASK		CNST_EBB_VAL(EVENT_EBB_MASK)

 #define CNST_IFM_VAL(v)		(((v) & EVENT_IFM_MASK) << 25)
 #define CNST_IFM_MASK		CNST_IFM_VAL(EVENT_IFM_MASK)

 #define CNST_L1_QUAL_VAL(v)	(((v) & 3) << 22)
 #define CNST_L1_QUAL_MASK	CNST_L1_QUAL_VAL(3)

 #define CNST_SAMPLE_VAL(v)	(((v) & EVENT_SAMPLE_MASK) << 16)
 #define CNST_SAMPLE_MASK	CNST_SAMPLE_VAL(EVENT_SAMPLE_MASK)

 #define CNST_CACHE_GROUP_VAL(v)	(((v) & 0xffull) << 55)
 #define CNST_CACHE_GROUP_MASK	CNST_CACHE_GROUP_VAL(0xff)
 #define CNST_CACHE_PMC4_VAL	(1ull << 54)
 #define CNST_CACHE_PMC4_MASK	CNST_CACHE_PMC4_VAL

 #define CNST_L2L3_GROUP_VAL(v)	(((v) & 0x1full) << 55)
 #define CNST_L2L3_GROUP_MASK	CNST_L2L3_GROUP_VAL(0x1f)

 /*
  * For NC we are counting up to 4 events. This requires three bits, and we need
  * the fifth event to overflow and set the 4th bit. To achieve that we bias the
  * fields by 3 in test_adder.
  */
 #define CNST_NC_SHIFT		12
 #define CNST_NC_VAL		(1 << CNST_NC_SHIFT)
 #define CNST_NC_MASK		(8 << CNST_NC_SHIFT)
 #define ISA207_TEST_ADDER	(3 << CNST_NC_SHIFT)

 /*
  * For the per-PMC fields we have two bits. The low bit is added, so if two
  * events ask for the same PMC the sum will overflow, setting the high bit,
  * indicating an error. So our mask sets the high bit.
  */
 #define CNST_PMC_SHIFT(pmc)	((pmc - 1) * 2)
 #define CNST_PMC_VAL(pmc)	(1 << CNST_PMC_SHIFT(pmc))
 #define CNST_PMC_MASK(pmc)	(2 << CNST_PMC_SHIFT(pmc))

 /* Our add_fields is defined as: */
 #define ISA207_ADD_FIELDS	\
 	CNST_PMC_VAL(1) | CNST_PMC_VAL(2) | CNST_PMC_VAL(3) | \
 	CNST_PMC_VAL(4) | CNST_PMC_VAL(5) | CNST_PMC_VAL(6) | CNST_NC_VAL

 /* Bits in MMCR1 for PowerISA v2.07 */
 #define MMCR1_UNIT_SHIFT(pmc)		(60 - (4 * ((pmc) - 1)))
 #define MMCR1_COMBINE_SHIFT(pmc)	(35 - ((pmc) - 1))
 #define MMCR1_PMCSEL_SHIFT(pmc)		(24 - (((pmc) - 1)) * 8)
 #define MMCR1_FAB_SHIFT			36
 #define MMCR1_DC_IC_QUAL_MASK		0x3
 #define MMCR1_DC_IC_QUAL_SHIFT		46

 /* MMCR1 Combine bits macro for power9 */
 #define p9_MMCR1_COMBINE_SHIFT(pmc)	(38 - ((pmc - 1) * 2))

 /* Bits in MMCRA for PowerISA v2.07 */
 #define MMCRA_SAMP_MODE_SHIFT		1
 #define MMCRA_SAMP_ELIG_SHIFT		4
 #define MMCRA_THR_CTL_SHIFT		8
 #define MMCRA_THR_SEL_SHIFT		16
 #define MMCRA_THR_CMP_SHIFT		32
 #define MMCRA_SDAR_MODE_SHIFT		42
 #define MMCRA_SDAR_MODE_TLB		(1ull << MMCRA_SDAR_MODE_SHIFT)
 #define MMCRA_SDAR_MODE_NO_UPDATES	~(0x3ull << MMCRA_SDAR_MODE_SHIFT)
 #define MMCRA_SDAR_MODE_DCACHE		(2ull << MMCRA_SDAR_MODE_SHIFT)
 #define MMCRA_IFM_SHIFT			30
 #define MMCRA_THR_CTR_MANT_SHIFT	19
 #define MMCRA_THR_CTR_MANT_MASK		0x7Ful
 #define MMCRA_THR_CTR_MANT(v)		(((v) >> MMCRA_THR_CTR_MANT_SHIFT) &\
 						MMCRA_THR_CTR_MANT_MASK)

 #define MMCRA_THR_CTR_EXP_SHIFT		27
 #define MMCRA_THR_CTR_EXP_MASK		0x7ul
 #define MMCRA_THR_CTR_EXP(v)		(((v) >> MMCRA_THR_CTR_EXP_SHIFT) &\
 						MMCRA_THR_CTR_EXP_MASK)

 /* MMCRA Threshold Compare bit constant for power9 */
 #define p9_MMCRA_THR_CMP_SHIFT	45

 /* Bits in MMCR2 for PowerISA v2.07 */
 #define MMCR2_FCS(pmc)			(1ull << (63 - (((pmc) - 1) * 9)))
 #define MMCR2_FCP(pmc)			(1ull << (62 - (((pmc) - 1) * 9)))
 #define MMCR2_FCH(pmc)			(1ull << (57 - (((pmc) - 1) * 9)))

 #define MAX_ALT				2
 #define MAX_PMU_COUNTERS		6

 /* Bits in MMCR3 for PowerISA v3.10 */
 #define MMCR3_SHIFT(pmc)		(49 - (15 * ((pmc) - 1)))

 #define ISA207_SIER_TYPE_SHIFT		15
 #define ISA207_SIER_TYPE_MASK		(0x7ull << ISA207_SIER_TYPE_SHIFT)

 #define ISA207_SIER_LDST_SHIFT		1
 #define ISA207_SIER_LDST_MASK		(0x7ull << ISA207_SIER_LDST_SHIFT)

 #define ISA207_SIER_DATA_SRC_SHIFT	53
 #define ISA207_SIER_DATA_SRC_MASK	(0x7ull << ISA207_SIER_DATA_SRC_SHIFT)

 #define P(a, b)				PERF_MEM_S(a, b)
 #define PH(a, b)			(P(LVL, HIT) | P(a, b))
 #define PM(a, b)			(P(LVL, MISS) | P(a, b))

 int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp);
 int isa207_compute_mmcr(u64 event[], int n_ev,
 				unsigned int hwc[], struct mmcr_regs *mmcr,
 				struct perf_event *pevents[]);
 void isa207_disable_pmc(unsigned int pmc, struct mmcr_regs *mmcr);
 int isa207_get_alternatives(u64 event, u64 alt[], int size, unsigned int flags,
 					const unsigned int ev_alt[][MAX_ALT]);
 void isa207_get_mem_data_src(union perf_mem_data_src *dsrc, u32 flags,
 							struct pt_regs *regs);
 void isa207_get_mem_weight(u64 *weight);

 #endif
	/* SPDX-License-Identifier: GPL-2.0-or-later */
	/*
	* Copyright 2009 Paul Mackerras, IBM Corporation.
	* Copyright 2013 Michael Ellerman, IBM Corporation.
	* Copyright 2016 Madhavan Srinivasan, IBM Corporation.
	*/

	#ifndef _LINUX_POWERPC_PERF_ISA207_COMMON_H_
	#define _LINUX_POWERPC_PERF_ISA207_COMMON_H_

	#include <linux/kernel.h>
	#include <linux/perf_event.h>
	#include <asm/firmware.h>
	#include <asm/cputable.h>

	#include "internal.h"

	#define EVENT_EBB_MASK 1ull
	#define EVENT_EBB_SHIFT PERF_EVENT_CONFIG_EBB_SHIFT
	#define EVENT_BHRB_MASK 1ull
	#define EVENT_BHRB_SHIFT 62
	#define EVENT_WANTS_BHRB (EVENT_BHRB_MASK << EVENT_BHRB_SHIFT)
	#define EVENT_IFM_MASK 3ull
	#define EVENT_IFM_SHIFT 60
	#define EVENT_THR_CMP_SHIFT 40 /* Threshold CMP value */
	#define EVENT_THR_CMP_MASK 0x3ff
	#define EVENT_THR_CTL_SHIFT 32 /* Threshold control value (start/stop) */
	#define EVENT_THR_CTL_MASK 0xffull
	#define EVENT_THR_SEL_SHIFT 29 /* Threshold select value */
	#define EVENT_THR_SEL_MASK 0x7
	#define EVENT_THRESH_SHIFT 29 /* All threshold bits */
	#define EVENT_THRESH_MASK 0x1fffffull
	#define EVENT_SAMPLE_SHIFT 24 /* Sampling mode & eligibility */
	#define EVENT_SAMPLE_MASK 0x1f
	#define EVENT_CACHE_SEL_SHIFT 20 /* L2/L3 cache select */
	#define EVENT_CACHE_SEL_MASK 0xf
	#define EVENT_IS_L1 (4 << EVENT_CACHE_SEL_SHIFT)
	#define EVENT_PMC_SHIFT 16 /* PMC number (1-based) */
	#define EVENT_PMC_MASK 0xf
	#define EVENT_UNIT_SHIFT 12 /* Unit */
	#define EVENT_UNIT_MASK 0xf
	#define EVENT_COMBINE_SHIFT 11 /* Combine bit */
	#define EVENT_COMBINE_MASK 0x1
	#define EVENT_COMBINE(v) (((v) >> EVENT_COMBINE_SHIFT) & EVENT_COMBINE_MASK)
	#define EVENT_MARKED_SHIFT 8 /* Marked bit */
	#define EVENT_MARKED_MASK 0x1
	#define EVENT_IS_MARKED (EVENT_MARKED_MASK << EVENT_MARKED_SHIFT)
	#define EVENT_PSEL_MASK 0xff /* PMCxSEL value */

	/* Bits defined by Linux */
	#define EVENT_LINUX_MASK \
	((EVENT_EBB_MASK << EVENT_EBB_SHIFT) \| \
	(EVENT_BHRB_MASK << EVENT_BHRB_SHIFT) \| \
	(EVENT_IFM_MASK << EVENT_IFM_SHIFT))

	#define EVENT_VALID_MASK \
	((EVENT_THRESH_MASK << EVENT_THRESH_SHIFT) \| \
	(EVENT_SAMPLE_MASK << EVENT_SAMPLE_SHIFT) \| \
	(EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT) \| \
	(EVENT_PMC_MASK << EVENT_PMC_SHIFT) \| \
	(EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) \| \
	(EVENT_COMBINE_MASK << EVENT_COMBINE_SHIFT) \| \
	(EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) \| \
	EVENT_LINUX_MASK \| \
	EVENT_PSEL_MASK)

	#define ONLY_PLM \
	(PERF_SAMPLE_BRANCH_USER \|\
	PERF_SAMPLE_BRANCH_KERNEL \|\
	PERF_SAMPLE_BRANCH_HV)

	/* Contants to support power9 raw encoding format */
	#define p9_EVENT_COMBINE_SHIFT 10 /* Combine bit */
	#define p9_EVENT_COMBINE_MASK 0x3ull
	#define p9_EVENT_COMBINE(v) (((v) >> p9_EVENT_COMBINE_SHIFT) & p9_EVENT_COMBINE_MASK)
	#define p9_SDAR_MODE_SHIFT 50
	#define p9_SDAR_MODE_MASK 0x3ull
	#define p9_SDAR_MODE(v) (((v) >> p9_SDAR_MODE_SHIFT) & p9_SDAR_MODE_MASK)

	#define p9_EVENT_VALID_MASK \
	((p9_SDAR_MODE_MASK << p9_SDAR_MODE_SHIFT \| \
	(EVENT_THRESH_MASK << EVENT_THRESH_SHIFT) \| \
	(EVENT_SAMPLE_MASK << EVENT_SAMPLE_SHIFT) \| \
	(EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT) \| \
	(EVENT_PMC_MASK << EVENT_PMC_SHIFT) \| \
	(EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) \| \
	(p9_EVENT_COMBINE_MASK << p9_EVENT_COMBINE_SHIFT) \| \
	(EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) \| \
	EVENT_LINUX_MASK \| \
	EVENT_PSEL_MASK))

	/* Contants to support power10 raw encoding format */
	#define p10_SDAR_MODE_SHIFT 22
	#define p10_SDAR_MODE_MASK 0x3ull
	#define p10_SDAR_MODE(v) (((v) >> p10_SDAR_MODE_SHIFT) & \
	p10_SDAR_MODE_MASK)
	#define p10_EVENT_L2L3_SEL_MASK 0x1f
	#define p10_L2L3_SEL_SHIFT 3
	#define p10_L2L3_EVENT_SHIFT 40
	#define p10_EVENT_THRESH_MASK 0xffffull
	#define p10_EVENT_CACHE_SEL_MASK 0x3ull
	#define p10_EVENT_MMCR3_MASK 0x7fffull
	#define p10_EVENT_MMCR3_SHIFT 45

	#define p10_EVENT_VALID_MASK \
	((p10_SDAR_MODE_MASK << p10_SDAR_MODE_SHIFT \| \
	(p10_EVENT_THRESH_MASK << EVENT_THRESH_SHIFT) \| \
	(EVENT_SAMPLE_MASK << EVENT_SAMPLE_SHIFT) \| \
	(p10_EVENT_CACHE_SEL_MASK << EVENT_CACHE_SEL_SHIFT) \| \
	(EVENT_PMC_MASK << EVENT_PMC_SHIFT) \| \
	(EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) \| \
	(p9_EVENT_COMBINE_MASK << p9_EVENT_COMBINE_SHIFT) \| \
	(p10_EVENT_MMCR3_MASK << p10_EVENT_MMCR3_SHIFT) \| \
	(EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) \| \
	EVENT_LINUX_MASK \| \
	EVENT_PSEL_MASK))
	/*
	* Layout of constraint bits:
	*
	* 60 56 52 48 44 40 36 32
	* \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \|
	* [ fab_match ] [ thresh_cmp ] [ thresh_ctl ] [ ]
	* \|
	* thresh_sel -*
	*
	* 28 24 20 16 12 8 4 0
	* \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \| - - - - \|
	* [ ] \| [ ] [ sample ] [ ] [6] [5] [4] [3] [2] [1]
	* \| \| \| \|
	* BHRB IFM -* \| \| \| Count of events for each PMC.
	* EBB -* \| \| p1, p2, p3, p4, p5, p6.
	* L1 I/D qualifier -* \|
	* nc - number of counters -*
	*
	* The PMC fields P1..P6, and NC, are adder fields. As we accumulate constraints
	* we want the low bit of each field to be added to any existing value.
	*
	* Everything else is a value field.
	*/

	#define CNST_FAB_MATCH_VAL(v) (((v) & EVENT_THR_CTL_MASK) << 56)
	#define CNST_FAB_MATCH_MASK CNST_FAB_MATCH_VAL(EVENT_THR_CTL_MASK)

	/* We just throw all the threshold bits into the constraint */
	#define CNST_THRESH_VAL(v) (((v) & EVENT_THRESH_MASK) << 32)
	#define CNST_THRESH_MASK CNST_THRESH_VAL(EVENT_THRESH_MASK)

	#define CNST_EBB_VAL(v) (((v) & EVENT_EBB_MASK) << 24)
	#define CNST_EBB_MASK CNST_EBB_VAL(EVENT_EBB_MASK)

	#define CNST_IFM_VAL(v) (((v) & EVENT_IFM_MASK) << 25)
	#define CNST_IFM_MASK CNST_IFM_VAL(EVENT_IFM_MASK)

	#define CNST_L1_QUAL_VAL(v) (((v) & 3) << 22)
	#define CNST_L1_QUAL_MASK CNST_L1_QUAL_VAL(3)

	#define CNST_SAMPLE_VAL(v) (((v) & EVENT_SAMPLE_MASK) << 16)
	#define CNST_SAMPLE_MASK CNST_SAMPLE_VAL(EVENT_SAMPLE_MASK)

	#define CNST_CACHE_GROUP_VAL(v) (((v) & 0xffull) << 55)
	#define CNST_CACHE_GROUP_MASK CNST_CACHE_GROUP_VAL(0xff)
	#define CNST_CACHE_PMC4_VAL (1ull << 54)
	#define CNST_CACHE_PMC4_MASK CNST_CACHE_PMC4_VAL

	#define CNST_L2L3_GROUP_VAL(v) (((v) & 0x1full) << 55)
	#define CNST_L2L3_GROUP_MASK CNST_L2L3_GROUP_VAL(0x1f)

	/*
	* For NC we are counting up to 4 events. This requires three bits, and we need
	* the fifth event to overflow and set the 4th bit. To achieve that we bias the
	* fields by 3 in test_adder.
	*/
	#define CNST_NC_SHIFT 12
	#define CNST_NC_VAL (1 << CNST_NC_SHIFT)
	#define CNST_NC_MASK (8 << CNST_NC_SHIFT)
	#define ISA207_TEST_ADDER (3 << CNST_NC_SHIFT)

	/*
	* For the per-PMC fields we have two bits. The low bit is added, so if two
	* events ask for the same PMC the sum will overflow, setting the high bit,
	* indicating an error. So our mask sets the high bit.
	*/
	#define CNST_PMC_SHIFT(pmc) ((pmc - 1) * 2)
	#define CNST_PMC_VAL(pmc) (1 << CNST_PMC_SHIFT(pmc))
	#define CNST_PMC_MASK(pmc) (2 << CNST_PMC_SHIFT(pmc))

	/* Our add_fields is defined as: */
	#define ISA207_ADD_FIELDS \
	CNST_PMC_VAL(1) \| CNST_PMC_VAL(2) \| CNST_PMC_VAL(3) \| \
	CNST_PMC_VAL(4) \| CNST_PMC_VAL(5) \| CNST_PMC_VAL(6) \| CNST_NC_VAL

	/* Bits in MMCR1 for PowerISA v2.07 */
	#define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1)))
	#define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1))
	#define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8)
	#define MMCR1_FAB_SHIFT 36
	#define MMCR1_DC_IC_QUAL_MASK 0x3
	#define MMCR1_DC_IC_QUAL_SHIFT 46

	/* MMCR1 Combine bits macro for power9 */
	#define p9_MMCR1_COMBINE_SHIFT(pmc) (38 - ((pmc - 1) * 2))

	/* Bits in MMCRA for PowerISA v2.07 */
	#define MMCRA_SAMP_MODE_SHIFT 1
	#define MMCRA_SAMP_ELIG_SHIFT 4
	#define MMCRA_THR_CTL_SHIFT 8
	#define MMCRA_THR_SEL_SHIFT 16
	#define MMCRA_THR_CMP_SHIFT 32
	#define MMCRA_SDAR_MODE_SHIFT 42
	#define MMCRA_SDAR_MODE_TLB (1ull << MMCRA_SDAR_MODE_SHIFT)
	#define MMCRA_SDAR_MODE_NO_UPDATES ~(0x3ull << MMCRA_SDAR_MODE_SHIFT)
	#define MMCRA_SDAR_MODE_DCACHE (2ull << MMCRA_SDAR_MODE_SHIFT)
	#define MMCRA_IFM_SHIFT 30
	#define MMCRA_THR_CTR_MANT_SHIFT 19
	#define MMCRA_THR_CTR_MANT_MASK 0x7Ful
	#define MMCRA_THR_CTR_MANT(v) (((v) >> MMCRA_THR_CTR_MANT_SHIFT) &\
	MMCRA_THR_CTR_MANT_MASK)

	#define MMCRA_THR_CTR_EXP_SHIFT 27
	#define MMCRA_THR_CTR_EXP_MASK 0x7ul
	#define MMCRA_THR_CTR_EXP(v) (((v) >> MMCRA_THR_CTR_EXP_SHIFT) &\
	MMCRA_THR_CTR_EXP_MASK)

	/* MMCRA Threshold Compare bit constant for power9 */
	#define p9_MMCRA_THR_CMP_SHIFT 45

	/* Bits in MMCR2 for PowerISA v2.07 */
	#define MMCR2_FCS(pmc) (1ull << (63 - (((pmc) - 1) * 9)))
	#define MMCR2_FCP(pmc) (1ull << (62 - (((pmc) - 1) * 9)))
	#define MMCR2_FCH(pmc) (1ull << (57 - (((pmc) - 1) * 9)))

	#define MAX_ALT 2
	#define MAX_PMU_COUNTERS 6

	/* Bits in MMCR3 for PowerISA v3.10 */
	#define MMCR3_SHIFT(pmc) (49 - (15 * ((pmc) - 1)))

	#define ISA207_SIER_TYPE_SHIFT 15
	#define ISA207_SIER_TYPE_MASK (0x7ull << ISA207_SIER_TYPE_SHIFT)

	#define ISA207_SIER_LDST_SHIFT 1
	#define ISA207_SIER_LDST_MASK (0x7ull << ISA207_SIER_LDST_SHIFT)

	#define ISA207_SIER_DATA_SRC_SHIFT 53
	#define ISA207_SIER_DATA_SRC_MASK (0x7ull << ISA207_SIER_DATA_SRC_SHIFT)

	#define P(a, b) PERF_MEM_S(a, b)
	#define PH(a, b) (P(LVL, HIT) \| P(a, b))
	#define PM(a, b) (P(LVL, MISS) \| P(a, b))

	int isa207_get_constraint(u64 event, unsigned long maskp, unsigned long valp);
	int isa207_compute_mmcr(u64 event[], int n_ev,
	unsigned int hwc[], struct mmcr_regs *mmcr,
	struct perf_event *pevents[]);
	void isa207_disable_pmc(unsigned int pmc, struct mmcr_regs *mmcr);
	int isa207_get_alternatives(u64 event, u64 alt[], int size, unsigned int flags,
	const unsigned int ev_alt[][MAX_ALT]);
	void isa207_get_mem_data_src(union perf_mem_data_src *dsrc, u32 flags,
	struct pt_regs *regs);
	void isa207_get_mem_weight(u64 *weight);

	#endif