284 lines
11 KiB
C
284 lines
11 KiB
C
/* 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_RADIX_SCOPE_QUAL_SHIFT 9
|
|
#define p10_EVENT_RADIX_SCOPE_QUAL_MASK 0x1
|
|
#define p10_MMCR1_RADIX_SCOPE_QUAL_SHIFT 45
|
|
|
|
/* Event Threshold Compare bit constant for power10 in config1 attribute */
|
|
#define p10_EVENT_THR_CMP_SHIFT 0
|
|
#define p10_EVENT_THR_CMP_MASK 0x3FFFFull
|
|
|
|
#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) | \
|
|
(p10_EVENT_RADIX_SCOPE_QUAL_MASK << p10_EVENT_RADIX_SCOPE_QUAL_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_cmp bits for p10] thresh_sel -*
|
|
*
|
|
* 28 24 20 16 12 8 4 0
|
|
* | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
|
|
* [ ] | [ ] | [ sample ] [ ] [6] [5] [4] [3] [2] [1]
|
|
* | | | | |
|
|
* BHRB IFM -* | | |*radix_scope | 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_THRESH_CTL_SEL_VAL(v) (((v) & 0x7ffull) << 32)
|
|
#define CNST_THRESH_CTL_SEL_MASK CNST_THRESH_CTL_SEL_VAL(0x7ff)
|
|
|
|
#define p10_CNST_THRESH_CMP_VAL(v) (((v) & 0x7ffull) << 43)
|
|
#define p10_CNST_THRESH_CMP_MASK p10_CNST_THRESH_CMP_VAL(0x7ff)
|
|
|
|
#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)
|
|
|
|
#define CNST_RADIX_SCOPE_GROUP_VAL(v) (((v) & 0x1ull) << 21)
|
|
#define CNST_RADIX_SCOPE_GROUP_MASK CNST_RADIX_SCOPE_GROUP_VAL(1)
|
|
|
|
/*
|
|
* 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)
|
|
|
|
#define P10_MMCRA_THR_CTR_MANT_MASK 0xFFul
|
|
#define P10_MMCRA_THR_CTR_MANT(v) (((v) >> MMCRA_THR_CTR_MANT_SHIFT) &\
|
|
P10_MMCRA_THR_CTR_MANT_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, u64 event_config1);
|
|
int isa207_compute_mmcr(u64 event[], int n_ev,
|
|
unsigned int hwc[], struct mmcr_regs *mmcr,
|
|
struct perf_event *pevents[], u32 flags);
|
|
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
|