1/*-
2 * Copyright (c) 2010 Fabien Thomas
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/10.3/sys/dev/hwpmc/hwpmc_uncore.h 266452 2014-05-19 19:49:06Z markj $
27 */
28
29#ifndef _DEV_HWPMC_UNCORE_H_
30#define	_DEV_HWPMC_UNCORE_H_ 1
31
32/*
33 * Fixed-function PMCs.
34 */
35struct pmc_md_ucf_op_pmcallocate {
36	uint16_t	pm_ucf_flags;	/* additional flags */
37};
38
39#define	UCF_EN		0x1
40#define	UCF_PMI		0x4
41
42/*
43 * Programmable PMCs.
44 */
45struct pmc_md_ucp_op_pmcallocate {
46	uint32_t	pm_ucp_config;
47};
48
49#define	UCP_EVSEL(C)	((C) & 0xFF)
50#define	UCP_UMASK(C)	((C) & 0xFF00)
51#define	UCP_CTRR	(1 << 17)
52#define	UCP_EDGE	(1 << 18)
53#define	UCP_INT		(1 << 20)
54#define	UCP_EN		(1 << 22)
55#define	UCP_INV		(1 << 23)
56#define	UCP_CMASK(C)	(((C) & 0xFF) << 24)
57
58#ifdef	_KERNEL
59
60#define	DCTL_FLAG_UNC_PMI	(1ULL << 13)
61
62/*
63 * Fixed-function counters.
64 */
65
66#define	UCF_MASK				0xF
67
68#define	UCF_CTR0				0x394
69
70#define	UCF_OFFSET				32
71#define UCF_OFFSET_SB				29
72#define	UCF_CTRL				0x395
73
74/*
75 * Programmable counters.
76 */
77
78#define	UCP_PMC0				0x3B0
79#define	UCP_EVSEL0				0x3C0
80#define UCP_OPCODE_MATCH			0x396
81#define UCP_CB0_EVSEL0				0x700
82
83/*
84 * Simplified programming interface in Intel Performance Architecture
85 * v2 and later.
86 */
87
88#define	UC_GLOBAL_STATUS			0x392
89#define	UC_GLOBAL_CTRL				0x391
90#define	UC_GLOBAL_OVF_CTRL			0x393
91
92#define	UC_GLOBAL_STATUS_FLAG_CLRCHG		(1ULL << 63)
93#define	UC_GLOBAL_STATUS_FLAG_OVFPMI		(1ULL << 61)
94#define	UC_GLOBAL_CTRL_FLAG_FRZ			(1ULL << 63)
95#define	UC_GLOBAL_CTRL_FLAG_ENPMICORE0		(1ULL << 48)
96
97/*
98 * Model specific registers.
99 */
100
101#define MSR_GQ_SNOOP_MESF			0x301
102
103struct pmc_md_ucf_pmc {
104	uint64_t	pm_ucf_ctrl;
105};
106
107struct pmc_md_ucp_pmc {
108	uint32_t	pm_ucp_evsel;
109};
110
111/*
112 * Prototypes.
113 */
114
115int	pmc_uncore_initialize(struct pmc_mdep *_md, int _maxcpu);
116void	pmc_uncore_finalize(struct pmc_mdep *_md);
117
118int	pmc_ucf_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width);
119void	pmc_ucf_finalize(struct pmc_mdep *_md);
120
121int	pmc_ucp_initialize(struct pmc_mdep *_md, int _maxcpu, int _npmc, int _width,
122	    int _flags);
123void	pmc_ucp_finalize(struct pmc_mdep *_md);
124
125#endif	/* _KERNEL */
126#endif	/* _DEV_HWPMC_UNCORE_H */
127