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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 22 * Use is subject to license terms. 23 */ 24 25 #ifndef _SYS_MC_H 26 #define _SYS_MC_H 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 /* 31 * Public interfaces exposed by the memory controller driver 32 */ 33 34 #include <sys/cpuvar.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #define MC_UNUM_NAMLEN 192 41 #define MC_UNUM_NDIMM 2 42 43 typedef struct mc_unum { 44 int unum_board; 45 int unum_chip; 46 int unum_mc; 47 int unum_cs; 48 int unum_rank; 49 uint64_t unum_offset; 50 int unum_dimms[MC_UNUM_NDIMM]; 51 } mc_unum_t; 52 53 /* 54 * Invalid marker used in some numeric properties 55 */ 56 #define MC_INVALNUM ((uint32_t)-1) 57 58 #define MC_AMD_DEV_OFFSET 24 /* node ID + offset == PCI dev num */ 59 60 /* 61 * /dev/mc/mc* ioctl cmds 62 */ 63 #define MC_IOC (0x4d43 << 16) 64 #define MC_IOC_SNAPSHOT_INFO (MC_IOC | 1) 65 #define MC_IOC_SNAPSHOT (MC_IOC | 2) 66 #define MC_IOC_ONLINESPARE_EN (MC_IOC | 4) 67 68 /* 69 * Prior to requesting a copy of the snapshot, consumers are advised to request 70 * information regarding the snapshot. An mc_snapshot_info_t will be returned, 71 * containing the snapshot size as well as the snapshot generation number. Note 72 * that, due to the potentially dynamic nature of the system, the snapshot may 73 * change at any time. As such, the information in the mc_snapshot_info_t may 74 * be out of date by the time it is used. The generation number is used to 75 * track snapshot changes. That is, the generation number will be updated each 76 * time the source data for the snapshot is updated. The consumer should not 77 * attach any meaning to the magnitude of a generation number change, and pay 78 * attention only to the fact that the number has changed. 79 */ 80 typedef struct mc_snapshot_info { 81 uint32_t mcs_size; /* snapshot size */ 82 uint_t mcs_gen; /* snapshot generation number */ 83 } mc_snapshot_info_t; 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _SYS_MC_H */ 90