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 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _GMEM_PAGE_H 27 #define _GMEM_PAGE_H 28 29 30 /* 31 * Routines for the creation of page retirement faults and for the management of 32 * page-related state. 33 */ 34 35 #include <gmem_state.h> 36 #include <gmem_fmri.h> 37 38 #include <fm/fmd_api.h> 39 #include <sys/types.h> 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 #define PAGE_MKVERSION(version) (version) 46 47 #define CMD_PAGE_VERSION_0 PAGE_MKVERSION(0) 48 #define CMD_PAGE_VERSION CMD_PAGE_VERSION_0 49 50 #define CMD_PAGE_VERSIONED(page) ((page)->page_version) 51 52 typedef struct gmem_page_pers { 53 gmem_header_t pagep_header; /* Nodetype must be CMD_NT_PAGE */ 54 uint_t pagep_version; 55 gmem_fmri_t pagep_asru; /* ASRU for this DIMM */ 56 uint64_t pagep_physbase; /* base phys addr for page */ 57 uint64_t pagep_offset; /* page offset */ 58 uint_t pagep_flags; /* CMD_MEM_F_* */ 59 } gmem_page_pers_t; 60 61 typedef struct gmem_page { 62 gmem_page_pers_t page_pers; 63 gmem_case_t page_case; /* Open CE case against this page */ 64 } gmem_page_t; 65 66 #define CMD_PAGE_MAXSIZE sizeof (gmem_page_pers_t) 67 #define CMD_PAGE_MINSIZE sizeof (gmem_page_pers_t) 68 69 #define page_header page_pers.pagep_header 70 #define page_nodetype page_pers.pagep_header.hdr_nodetype 71 #define page_bufname page_pers.pagep_header.hdr_bufname 72 #define page_version page_pers.pagep_version 73 #define page_asru page_pers.pagep_asru 74 #define page_asru_nvl page_pers.pagep_asru.fmri_nvl 75 #define page_flags page_pers.pagep_flags 76 #define page_physbase page_pers.pagep_physbase 77 #define page_offset page_pers.pagep_offset 78 #define page_list page_header.hdr_list 79 80 /* 81 * Page retirement 82 * 83 * When a page is to be retired, these routines are called to generate and 84 * manage a fault.memory.page against the page. 85 */ 86 extern int gmem_page_fault(fmd_hdl_t *, nvlist_t *, nvlist_t *, fmd_event_t *, 87 uint64_t, uint64_t); 88 extern void gmem_page_close(fmd_hdl_t *, void *); 89 90 extern gmem_page_t *gmem_page_create(fmd_hdl_t *, nvlist_t *, uint64_t, 91 uint64_t); 92 extern gmem_page_t *gmem_page_lookup(uint64_t); 93 94 extern void gmem_page_dirty(fmd_hdl_t *, gmem_page_t *); 95 extern void *gmem_page_restore(fmd_hdl_t *, fmd_case_t *, gmem_case_ptr_t *); 96 extern void gmem_page_validate(fmd_hdl_t *); 97 extern void gmem_page_destroy(fmd_hdl_t *, gmem_page_t *); 98 extern void gmem_page_fini(fmd_hdl_t *); 99 100 #ifdef __cplusplus 101 } 102 #endif 103 104 #endif /* _GMEM_PAGE_H */ 105