xref: /titanic_41/usr/src/uts/sun4v/sys/niagararegs.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_NIAGARAREGS_H
28 #define	_SYS_NIAGARAREGS_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * Niagara SPARC Performance Instrumentation Counter
38  */
39 #define	PIC0_MASK (((uint64_t)1 << 32) - 1)	/* pic0 in bits 31:0 */
40 #define	PIC1_SHIFT 32				/* pic1 in bits 64:32 */
41 
42 /*
43  * Niagara SPARC Performance Control Register
44  */
45 
46 #define	CPC_NIAGARA_PCR_PRIVPIC		0
47 #define	CPC_NIAGARA_PCR_SYS		1
48 #define	CPC_NIAGARA_PCR_USR		2
49 
50 #define	CPC_NIAGARA_PCR_PIC0_SHIFT	4
51 #define	CPC_NIAGARA_PCR_PIC1_SHIFT	0
52 #define	CPC_NIAGARA_PCR_PIC0_MASK	UINT64_C(0x7)
53 #define	CPC_NIAGARA_PCR_PIC1_MASK	UINT64_C(0)
54 
55 #define	CPC_NIAGARA_PCR_OVF_MASK	UINT64_C(0x300)
56 #define	CPC_NIAGARA_PCR_OVF_SHIFT	8
57 
58 /*
59  * Niagara DRAM performance counters
60  */
61 #define	NIAGARA_DRAM_BANKS		0x4
62 
63 #define	NIAGARA_DRAM_PIC0_SEL_SHIFT	0x4
64 #define	NIAGARA_DRAM_PIC1_SEL_SHIFT	0x0
65 
66 #define	NIAGARA_DRAM_PIC0_SHIFT		0x20
67 #define	NIAGARA_DRAM_PIC0_MASK		0x7fffffff
68 #define	NIAGARA_DRAM_PIC1_SHIFT		0x0
69 #define	NIAGARA_DRAM_PIC1_MASK		0x7fffffff
70 
71 /*
72  * Niagara JBUS performance counters
73  */
74 #define	NIAGARA_JBUS_PIC0_SEL_SHIFT	0x4
75 #define	NIAGARA_JBUS_PIC1_SEL_SHIFT	0x0
76 
77 #define	NIAGARA_JBUS_PIC0_SHIFT		0x20
78 #define	NIAGARA_JBUS_PIC0_MASK		0x7fffffff
79 #define	NIAGARA_JBUS_PIC1_SHIFT		0x0
80 #define	NIAGARA_JBUS_PIC1_MASK		0x7fffffff
81 
82 
83 /*
84  * Hypervisor FAST_TRAP API function numbers to get/set DRAM and
85  * JBUS performance counters
86  */
87 #define	HV_NIAGARA_GETPERF	0x100
88 #define	HV_NIAGARA_SETPERF	0x101
89 
90 
91 /*
92  * DRAM/JBUS performance counter register numbers for HV_NIAGARA_GETPERF
93  * and HV_NIAGARA_SETPERF
94  */
95 #define	HV_NIAGARA_JBUS_CTL		0x0
96 #define	HV_NIAGARA_JBUS_COUNT		0x1
97 #define	HV_NIAGARA_DRAM_CTL0		0x2
98 #define	HV_NIAGARA_DRAM_COUNT0		0x3
99 #define	HV_NIAGARA_DRAM_CTL1		0x4
100 #define	HV_NIAGARA_DRAM_COUNT1		0x5
101 #define	HV_NIAGARA_DRAM_CTL2		0x6
102 #define	HV_NIAGARA_DRAM_COUNT2		0x7
103 #define	HV_NIAGARA_DRAM_CTL3		0x8
104 #define	HV_NIAGARA_DRAM_COUNT3		0x9
105 
106 /*
107  * prototypes for hypervisor interface to get/set DRAM and JBUS
108  * performance counters
109  */
110 #ifndef _ASM
111 extern uint64_t hv_niagara_setperf(uint64_t regnum, uint64_t val);
112 extern uint64_t hv_niagara_getperf(uint64_t regnum, uint64_t *val);
113 #endif
114 
115 #ifdef __cplusplus
116 }
117 #endif
118 
119 #endif /* _SYS_NIAGARAREGS_H */
120