diff options
Diffstat (limited to 'usr/src/uts/intel/sys/mc.h')
| -rw-r--r-- | usr/src/uts/intel/sys/mc.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/usr/src/uts/intel/sys/mc.h b/usr/src/uts/intel/sys/mc.h new file mode 100644 index 0000000000..416f323c86 --- /dev/null +++ b/usr/src/uts/intel/sys/mc.h @@ -0,0 +1,80 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (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 _SYS_MC_H +#define _SYS_MC_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * Public interfaces exposed by the memory controller driver + */ + +#include <sys/cpuvar.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define MC_UNUM_NAMLEN 192 +#define MC_UNUM_NDIMM 8 + +typedef struct mc_unum { + int unum_board; + int unum_chip; + int unum_mc; + int unum_cs; + uint64_t unum_offset; + int unum_dimms[MC_UNUM_NDIMM]; +} mc_unum_t; + +#define MC_AMD_DEV_OFFSET 24 /* node ID + offset == PCI dev num */ + +#define MC_IOC (0x4d43 << 16) +#define MC_IOC_SNAPSHOT_INFO (MC_IOC | 1) +#define MC_IOC_SNAPSHOT (MC_IOC | 2) + +/* + * Prior to requesting a copy of the snapshot, consumers are advised to request + * information regarding the snapshot. An mc_snapshot_info_t will be returned, + * containing the snapshot size as well as the snapshot generation number. Note + * that, due to the potentially dynamic nature of the system, the snapshot may + * change at any time. As such, the information in the mc_snapshot_info_t may + * be out of date by the time it is used. The generation number is used to + * track snapshot changes. That is, the generation number will be updated each + * time the source data for the snapshot is updated. The consumer should not + * attach any meaning to the magnitude of a generation number change, and pay + * attention only to the fact that the number has changed. + */ +typedef struct mc_snapshot_info { + uint32_t mcs_size; /* snapshot size */ + uint_t mcs_gen; /* snapshot generation number */ +} mc_snapshot_info_t; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_MC_H */ |