11414Scindi /* 21414Scindi * CDDL HEADER START 31414Scindi * 41414Scindi * The contents of this file are subject to the terms of the 52869Sgavinm * Common Development and Distribution License (the "License"). 62869Sgavinm * You may not use this file except in compliance with the License. 71414Scindi * 81414Scindi * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 91414Scindi * or http://www.opensolaris.org/os/licensing. 101414Scindi * See the License for the specific language governing permissions 111414Scindi * and limitations under the License. 121414Scindi * 131414Scindi * When distributing Covered Code, include this CDDL HEADER in each 141414Scindi * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 151414Scindi * If applicable, add the following below this CDDL HEADER, with the 161414Scindi * fields enclosed by brackets "[]" replaced with your own identifying 171414Scindi * information: Portions Copyright [yyyy] [name of copyright owner] 181414Scindi * 191414Scindi * CDDL HEADER END 201414Scindi * 21*5254Sgavinm * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 221414Scindi * Use is subject to license terms. 231414Scindi */ 241414Scindi 251414Scindi #ifndef _SYS_MC_H 261414Scindi #define _SYS_MC_H 271414Scindi 281414Scindi #pragma ident "%Z%%M% %I% %E% SMI" 291414Scindi 301414Scindi /* 311414Scindi * Public interfaces exposed by the memory controller driver 321414Scindi */ 331414Scindi 341414Scindi #include <sys/cpuvar.h> 351414Scindi 361414Scindi #ifdef __cplusplus 371414Scindi extern "C" { 381414Scindi #endif 391414Scindi 401414Scindi #define MC_UNUM_NAMLEN 192 412869Sgavinm #define MC_UNUM_NDIMM 2 421414Scindi 431414Scindi typedef struct mc_unum { 44*5254Sgavinm int unum_board; /* system board */ 45*5254Sgavinm int unum_chip; /* chip/socket */ 46*5254Sgavinm int unum_mc; /* memory-controller or branch */ 47*5254Sgavinm int unum_chan; /* DRAM channel */ 48*5254Sgavinm int unum_cs; /* chip-select */ 49*5254Sgavinm int unum_rank; /* rank */ 50*5254Sgavinm uint64_t unum_offset; /* row, column, bank-select etc */ 511414Scindi int unum_dimms[MC_UNUM_NDIMM]; 521414Scindi } mc_unum_t; 531414Scindi 542869Sgavinm /* 552869Sgavinm * Invalid marker used in some numeric properties 562869Sgavinm */ 572869Sgavinm #define MC_INVALNUM ((uint32_t)-1) 582869Sgavinm 592869Sgavinm /* 602869Sgavinm * /dev/mc/mc* ioctl cmds 612869Sgavinm */ 621414Scindi #define MC_IOC (0x4d43 << 16) 631414Scindi #define MC_IOC_SNAPSHOT_INFO (MC_IOC | 1) 641414Scindi #define MC_IOC_SNAPSHOT (MC_IOC | 2) 652869Sgavinm #define MC_IOC_ONLINESPARE_EN (MC_IOC | 4) 661414Scindi 671414Scindi /* 681414Scindi * Prior to requesting a copy of the snapshot, consumers are advised to request 691414Scindi * information regarding the snapshot. An mc_snapshot_info_t will be returned, 701414Scindi * containing the snapshot size as well as the snapshot generation number. Note 711414Scindi * that, due to the potentially dynamic nature of the system, the snapshot may 721414Scindi * change at any time. As such, the information in the mc_snapshot_info_t may 731414Scindi * be out of date by the time it is used. The generation number is used to 741414Scindi * track snapshot changes. That is, the generation number will be updated each 751414Scindi * time the source data for the snapshot is updated. The consumer should not 761414Scindi * attach any meaning to the magnitude of a generation number change, and pay 771414Scindi * attention only to the fact that the number has changed. 781414Scindi */ 791414Scindi typedef struct mc_snapshot_info { 801414Scindi uint32_t mcs_size; /* snapshot size */ 811414Scindi uint_t mcs_gen; /* snapshot generation number */ 821414Scindi } mc_snapshot_info_t; 831414Scindi 841414Scindi #ifdef __cplusplus 851414Scindi } 861414Scindi #endif 871414Scindi 881414Scindi #endif /* _SYS_MC_H */ 89