xref: /titanic_41/usr/src/uts/sun4v/sys/niagara2regs.h (revision 9404882939d18ddd3c94a5bd3da7a0449c195a5d)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _SYS_NIAGARA2REGS_H
27 #define	_SYS_NIAGARA2REGS_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 #define	MB(n)	((n) * 1024 * 1024)
36 
37 #define	L2CACHE_SIZE		MB(4)
38 #define	L2CACHE_LINESIZE	64
39 #define	L2CACHE_ASSOCIATIVITY	16
40 
41 #define	NIAGARA2_HSVC_MAJOR	1
42 #define	NIAGARA2_HSVC_MINOR	0
43 
44 #define	NIAGARA2_PREALLOC_BASE	MB(196)
45 
46 /* PIC overflow range is -16 to -1 */
47 #define	PIC_IN_OV_RANGE(x)	(((uint32_t)x >= 0xfffffff0) ? 1 : 0)
48 
49 /*
50  * Niagara2 SPARC Performance Instrumentation Counter
51  */
52 #define	PIC0_MASK	(((uint64_t)1 << 32) - 1)	/* pic0 in bits 31:0 */
53 #define	PIC1_SHIFT	32				/* pic1 in bits 64:32 */
54 
55 /*
56  * Niagara2 SPARC Performance Control Register
57  */
58 #define	CPC_NIAGARA2_PCR_PRIV_SHIFT	0
59 #define	CPC_NIAGARA2_PCR_ST_SHIFT	1
60 #define	CPC_NIAGARA2_PCR_UT_SHIFT	2
61 
62 #define	CPC_NIAGARA2_PCR_HT_SHIFT	3
63 #define	CPC_NIAGARA2_PCR_HT		(1ull << CPC_NIAGARA2_PCR_HT_SHIFT)
64 
65 #define	CPC_NIAGARA2_PCR_TOE0_SHIFT	4
66 #define	CPC_NIAGARA2_PCR_TOE1_SHIFT	5
67 #define	CPC_NIAGARA2_PCR_TOE0		(1ull << CPC_NIAGARA2_PCR_TOE0_SHIFT)
68 #define	CPC_NIAGARA2_PCR_TOE1		(1ull << CPC_NIAGARA2_PCR_TOE1_SHIFT)
69 
70 #define	CPC_NIAGARA2_PCR_PIC0_SHIFT	6
71 #define	CPC_NIAGARA2_PCR_PIC1_SHIFT	19
72 #define	CPC_NIAGARA2_PCR_PIC0_MASK	UINT64_C(0xfff)
73 #define	CPC_NIAGARA2_PCR_PIC1_MASK	UINT64_C(0xfff)
74 
75 #define	CPC_NIAGARA2_PCR_OV0_SHIFT	18
76 #define	CPC_NIAGARA2_PCR_OV1_SHIFT	30
77 #define	CPC_NIAGARA2_PCR_OV0_MASK	UINT64_C(0x40000)
78 #define	CPC_NIAGARA2_PCR_OV1_MASK	UINT64_C(0x80000000)
79 
80 #define	CPC_NIAGARA2_PCR_HOLDOV0_SHIFT  62
81 #define	CPC_NIAGARA2_PCR_HOLDOV1_SHIFT  63
82 #define	CPC_NIAGARA2_PCR_HOLDOV0	(1ull << CPC_NIAGARA2_PCR_HOLDOV0_SHIFT)
83 #define	CPC_NIAGARA2_PCR_HOLDOV1	(1ull << CPC_NIAGARA2_PCR_HOLDOV1_SHIFT)
84 
85 /*
86  * Hypervisor FAST_TRAP API function numbers to get/set DRAM
87  * performance counters
88  */
89 #define	HV_NIAGARA2_GETPERF		0x104
90 #define	HV_NIAGARA2_SETPERF		0x105
91 
92 /*
93  * Niagara2 DRAM performance counters
94  */
95 #define	NIAGARA_DRAM_BANKS		0x4
96 
97 #define	NIAGARA_DRAM_PIC0_SEL_SHIFT	0x4
98 #define	NIAGARA_DRAM_PIC1_SEL_SHIFT	0x0
99 
100 #define	NIAGARA_DRAM_PIC0_SHIFT		0x20
101 #define	NIAGARA_DRAM_PIC0_MASK		0x7fffffff
102 #define	NIAGARA_DRAM_PIC1_SHIFT		0x0
103 #define	NIAGARA_DRAM_PIC1_MASK		0x7fffffff
104 
105 /*
106  * SPARC/DRAM performance counter register numbers for HV_NIAGARA2_GETPERF
107  * and HV_NIAGARA2_SETPERF
108  */
109 #define	HV_NIAGARA_SPARC_CTL		0x0
110 #define	HV_NIAGARA_DRAM_CTL0		0x1
111 #define	HV_NIAGARA_DRAM_COUNT0		0x2
112 #define	HV_NIAGARA_DRAM_CTL1		0x3
113 #define	HV_NIAGARA_DRAM_COUNT1		0x4
114 #define	HV_NIAGARA_DRAM_CTL2		0x5
115 #define	HV_NIAGARA_DRAM_COUNT2		0x6
116 #define	HV_NIAGARA_DRAM_CTL3		0x7
117 #define	HV_NIAGARA_DRAM_COUNT3		0x8
118 
119 #ifndef _ASM
120 /*
121  * prototypes for hypervisor interface to get/set SPARC and DRAM
122  * performance counters
123  */
124 extern uint64_t hv_niagara_setperf(uint64_t regnum, uint64_t val);
125 extern uint64_t hv_niagara_getperf(uint64_t regnum, uint64_t *val);
126 #endif
127 
128 #ifdef __cplusplus
129 }
130 #endif
131 
132 #endif /* _SYS_NIAGARA2REGS_H */
133