mcamd_dimmcfg.h revision 9dd0f810214fdc8e1af881a9a5c4b6927629ff9e
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _MCAMD_DIMMCFG_H
#define _MCAMD_DIMMCFG_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/mc_amd.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct mcdcfg_csl mcdcfg_csl_t;
typedef struct mcdcfg_rslt mcdcfg_rslt_t;
/*
* Chip-select line representation.
*/
struct mcdcfg_csl {
uint8_t csl_chan; /* 0 = A, 1 = B */
uint8_t csl_slot; /* dimm slot on channel, 0/1/2/3 (pair #) */
uint8_t csl_rank; /* dimm rank in slot, 0/1/2/3 */
};
/*
* Results structure for mdcfg_lookup
*/
struct mcdcfg_rslt {
int ldimm; /* logical DIMM number */
int ndimm; /* # of associated physical dimms */
struct {
int toponum; /* dimm instance in topology */
const mcdcfg_csl_t *cslp; /* chip-select parameters */
} dimm[MC_CHIP_DIMMPERCS]; /* ndimm entries are valid */
};
/*
* Chip-select line name maximum string length
*/
#define MCDCFG_CSNAMELEN 32
extern int mcdcfg_lookup(uint32_t, int, int, int, uint32_t, int, int,
mcdcfg_rslt_t *);
extern void mcdcfg_csname(uint32_t, const mcdcfg_csl_t *, char *, int);
#ifdef __cplusplus
}
#endif
#endif /* _MCAMD_DIMMCFG_H */