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/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _MCAMD_DIMMCFG_H
28#define	_MCAMD_DIMMCFG_H
29
30#include <sys/types.h>
31#include <sys/mc_amd.h>
32
33#ifdef __cplusplus
34extern "C" {
35#endif
36
37typedef struct mcdcfg_csl mcdcfg_csl_t;
38typedef struct mcdcfg_rslt mcdcfg_rslt_t;
39
40/*
41 * Chip-select line representation.
42 */
43struct mcdcfg_csl {
44	uint8_t	csl_chan;	/* 0 = A, 1 = B */
45	uint8_t	csl_slot;	/* dimm slot on channel, 0/1/2/3 (pair #) */
46	uint8_t	csl_rank;	/* dimm rank in slot, 0/1/2/3 */
47};
48
49/*
50 * Results structure for mdcfg_lookup
51 */
52struct mcdcfg_rslt {
53	int	ldimm;			/* logical DIMM number */
54	int	ndimm;			/* # of associated physical dimms */
55	struct {
56		int	toponum;		/* dimm instance in topology */
57		const mcdcfg_csl_t *cslp;	/* chip-select parameters */
58	} dimm[MC_CHIP_DIMMPERCS];	/* ndimm entries are valid */
59};
60
61/*
62 * Chip-select line name maximum string length
63 */
64#define	MCDCFG_CSNAMELEN 32
65
66extern int mcdcfg_lookup(uint32_t, int, int, int, uint32_t, int, int,
67    mcdcfg_rslt_t *);
68extern void mcdcfg_csname(uint32_t, const mcdcfg_csl_t *, char *, int);
69
70
71#ifdef __cplusplus
72}
73#endif
74
75#endif /* _MCAMD_DIMMCFG_H */
76