|  | /* | 
|  | * Copyright 2009 Paul Mackerras, IBM Corporation. | 
|  | * Copyright 2013 Michael Ellerman, IBM Corporation. | 
|  | * Copyright 2016 Madhavan Srinivasan, IBM Corporation. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU General Public License | 
|  | * as published by the Free Software Foundation; either version | 
|  | * 2 of the License, or any later version. | 
|  | */ | 
|  |  | 
|  | #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> | 
|  |  | 
|  | #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)) | 
|  |  | 
|  | /* | 
|  | * 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 | 
|  |  | 
|  | /* | 
|  | * 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) | 
|  |  | 
|  | /* MMCR1 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 | 
|  |  | 
|  | #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[], unsigned long mmcr[], | 
|  | struct perf_event *pevents[]); | 
|  | void isa207_disable_pmc(unsigned int pmc, unsigned long 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 |