1*1414Scindi /* 2*1414Scindi * CDDL HEADER START 3*1414Scindi * 4*1414Scindi * The contents of this file are subject to the terms of the 5*1414Scindi * Common Development and Distribution License, Version 1.0 only 6*1414Scindi * (the "License"). You may not use this file except in compliance 7*1414Scindi * with the License. 8*1414Scindi * 9*1414Scindi * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*1414Scindi * or http://www.opensolaris.org/os/licensing. 11*1414Scindi * See the License for the specific language governing permissions 12*1414Scindi * and limitations under the License. 13*1414Scindi * 14*1414Scindi * When distributing Covered Code, include this CDDL HEADER in each 15*1414Scindi * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*1414Scindi * If applicable, add the following below this CDDL HEADER, with the 17*1414Scindi * fields enclosed by brackets "[]" replaced with your own identifying 18*1414Scindi * information: Portions Copyright [yyyy] [name of copyright owner] 19*1414Scindi * 20*1414Scindi * CDDL HEADER END 21*1414Scindi * 22*1414Scindi * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23*1414Scindi * Use is subject to license terms. 24*1414Scindi */ 25*1414Scindi 26*1414Scindi #ifndef _SYS_MC_H 27*1414Scindi #define _SYS_MC_H 28*1414Scindi 29*1414Scindi #pragma ident "%Z%%M% %I% %E% SMI" 30*1414Scindi 31*1414Scindi /* 32*1414Scindi * Public interfaces exposed by the memory controller driver 33*1414Scindi */ 34*1414Scindi 35*1414Scindi #include <sys/cpuvar.h> 36*1414Scindi 37*1414Scindi #ifdef __cplusplus 38*1414Scindi extern "C" { 39*1414Scindi #endif 40*1414Scindi 41*1414Scindi #define MC_UNUM_NAMLEN 192 42*1414Scindi #define MC_UNUM_NDIMM 8 43*1414Scindi 44*1414Scindi typedef struct mc_unum { 45*1414Scindi int unum_board; 46*1414Scindi int unum_chip; 47*1414Scindi int unum_mc; 48*1414Scindi int unum_cs; 49*1414Scindi uint64_t unum_offset; 50*1414Scindi int unum_dimms[MC_UNUM_NDIMM]; 51*1414Scindi } mc_unum_t; 52*1414Scindi 53*1414Scindi #define MC_AMD_DEV_OFFSET 24 /* node ID + offset == PCI dev num */ 54*1414Scindi 55*1414Scindi #define MC_IOC (0x4d43 << 16) 56*1414Scindi #define MC_IOC_SNAPSHOT_INFO (MC_IOC | 1) 57*1414Scindi #define MC_IOC_SNAPSHOT (MC_IOC | 2) 58*1414Scindi 59*1414Scindi /* 60*1414Scindi * Prior to requesting a copy of the snapshot, consumers are advised to request 61*1414Scindi * information regarding the snapshot. An mc_snapshot_info_t will be returned, 62*1414Scindi * containing the snapshot size as well as the snapshot generation number. Note 63*1414Scindi * that, due to the potentially dynamic nature of the system, the snapshot may 64*1414Scindi * change at any time. As such, the information in the mc_snapshot_info_t may 65*1414Scindi * be out of date by the time it is used. The generation number is used to 66*1414Scindi * track snapshot changes. That is, the generation number will be updated each 67*1414Scindi * time the source data for the snapshot is updated. The consumer should not 68*1414Scindi * attach any meaning to the magnitude of a generation number change, and pay 69*1414Scindi * attention only to the fact that the number has changed. 70*1414Scindi */ 71*1414Scindi typedef struct mc_snapshot_info { 72*1414Scindi uint32_t mcs_size; /* snapshot size */ 73*1414Scindi uint_t mcs_gen; /* snapshot generation number */ 74*1414Scindi } mc_snapshot_info_t; 75*1414Scindi 76*1414Scindi #ifdef __cplusplus 77*1414Scindi } 78*1414Scindi #endif 79*1414Scindi 80*1414Scindi #endif /* _SYS_MC_H */ 81