xref: /illumos-gate/usr/src/uts/sun4u/daktari/sys/daktari.h (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
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	_DAKTARI_H
28 #define	_DAKTARI_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * daktari.h - Daktari common header file
38  *
39  * This header file contains the common definitions and macros for the
40  * Daktari platform. We define them all here to avoid them being redefined
41  * in numerous different drivers and daemons.
42  */
43 
44 
45 #define	DAK_SBD_SLOTS		4
46 #define	DAK_CPUS_PER_BOARD	2
47 #define	DAK_MAX_CPUS		(DAK_SBD_SLOTS * DAK_CPUS_PER_BOARD)
48 #define	DAK_BANKS_PER_MC	4
49 #define	DAK_MAX_SLICE		(DAK_MAX_CPUS * DAK_BANKS_PER_MC)
50 
51 /*
52  * Daktari CPU numbering is...unusual:
53  *   Slot SlotID  Agent ID
54  *   ---- ------  --------
55  *    0     0  <==>  0
56  *    0     1  <==>  2
57  *    1     0  <==>  1
58  *    1     1  <==>  3
59  *    2     0  <==>  4
60  *    2     1  <==>  6
61  *    3     0  <==>  5
62  *    3     1  <==>  7
63  */
64 #define	DAK_GETSLOT(AID)		(((AID&4)>>1)|(AID&1))
65 #define	DAK_GETSLOT_LABEL(AID)		('A' + DAK_GETSLOT(AID))
66 #define	DAK_GETSID(AID)			((AID&2)>>1)
67 #define	DAK_GETAID(SLOT, RELCPU)	(((SLOT&2)<<1)|(SLOT&1)|((RELCPU)<<1))
68 
69 #define	DAK_GET_SBD_APID(BUF, SZ, SLOT)	(void) snprintf((BUF), (SZ), "SB%c", \
70 						'a'+(SLOT))
71 #define	DAK_SBD_APID_SZ			4
72 
73 #define	DAK_GET_PCI_APID(BUF, SZ, SLOT) (void) snprintf((BUF), \
74 						(SZ), "PCI%d", \
75 						(SLOT))
76 
77 /*
78  * These values are taken from Appendices R and U of the UltraSPARC-III
79  * JPS1 Implementation Supplement.
80  */
81 #define	MC_VALID_SHIFT		63
82 #define	MC_UK_SHIFT		41
83 #define	MC_UM_SHIFT		20
84 #define	MC_LK_SHIFT		14
85 #define	MC_LM_SHIFT		8
86 #define	PHYS2UM_SHIFT		26
87 #define	MC_UK(memdec)		(((memdec) >> MC_UK_SHIFT) & 0xfffu)
88 #define	MC_LK(memdec)		(((memdec) >> MC_LK_SHIFT)& 0x3fu)
89 #define	MC_INTLV(memdec)	((~(MC_LK(memdec)) & 0xfu) + 1)
90 #define	MC_UK2SPAN(memdec)	((MC_UK(memdec) + 1) << PHYS2UM_SHIFT)
91 #define	MC_SPANMB(memdec)	(MC_UK2SPAN(memdec) >> 20)
92 #define	MC_UM(memdec)		(((memdec) >> MC_UM_SHIFT) & 0x1fffffu)
93 #define	MC_LM(memdec)		(((memdec) >> MC_LM_SHIFT) & 0x3f)
94 #define	MC_BASE(memdec)		(MC_UM(memdec) & ~(MC_UK(memdec)))
95 #define	MC_BASE2UM(base)	(((base) & 0x1fffffu) << MC_UM_SHIFT)
96 #define	SAF_MASK		0x000007ffff800000ull
97 #define	MC_OFFSET_MASK		0xffu
98 
99 /*
100  * Daktari slices are defined by bits 36..39 of the physical address space
101  */
102 
103 #define	PA_SLICE_SHIFT		(36)
104 #define	PFN_SLICE_SHIFT		(PA_SLICE_SHIFT - MMU_PAGESHIFT)
105 #define	PA_2_SLICE(pa)		(((pa) >> PA_SLICE_SHIFT) & \
106 					DAK_SLICE_MASK)
107 #define	PFN_2_SLICE(pfn)	(((pfn) >> PFN_SLICE_SHIFT) & \
108 					DAK_SLICE_MASK)
109 
110 /* Define the number of possible slices for the span of slice bits */
111 #define	DAK_SLICE_MASK		(0xf)
112 
113 extern uint64_t lddsafaddr(uint64_t physaddr);
114 extern uint64_t lddmcdecode(uint64_t physaddr);
115 
116 #ifdef	__cplusplus
117 }
118 #endif
119 
120 #endif /* _DAKTARI_H */
121