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 /* 27 * Copyright (c) 2015, Joyent, Inc. All rights reserved. 28 * Copyright (c) 2017 James S Blachly, MD <james.blachly@gmail.com> 29 */ 30 31 #ifndef _SYS_MEM_H 32 #define _SYS_MEM_H 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include <sys/types.h> 39 #include <sys/uio.h> 40 41 /* 42 * Memory Device Minor Numbers 43 */ 44 #define M_MEM 0 /* /dev/mem - physical main memory */ 45 #define M_KMEM 1 /* /dev/kmem - virtual kernel memory */ 46 #define M_NULL 2 /* /dev/null - EOF & Rathole */ 47 #define M_ALLKMEM 3 /* /dev/allkmem - virtual kernel memory & I/O */ 48 #define M_ZERO 12 /* /dev/zero - source of private memory */ 49 #define M_FULL 13 /* /dev/full - write always ret ENOSPC */ 50 51 /* 52 * Private ioctl for libkvm: translate virtual address to physical address. 53 */ 54 #define MEM_VTOP (('M' << 8) | 0x01) 55 56 typedef struct mem_vtop { 57 struct as *m_as; 58 void *m_va; 59 pfn_t m_pfn; 60 } mem_vtop_t; 61 62 #if defined(_SYSCALL32) 63 typedef struct mem_vtop32 { 64 uint32_t m_as; 65 uint32_t m_va; 66 uint32_t m_pfn; 67 } mem_vtop32_t; 68 #endif 69 70 /* 71 * Private ioctls for fmd(1M). These interfaces are Sun Private. Applications 72 * and drivers should not make use of these interfaces: they can change without 73 * notice and programs that consume them will fail to run on future releases. 74 */ 75 #define MEM_NAME (('M' << 8) | 0x04) 76 #define MEM_INFO (('M' << 8) | 0x05) 77 78 #define MEM_PAGE_RETIRE (('M' << 8) | 0x02) 79 #define MEM_PAGE_ISRETIRED (('M' << 8) | 0x03) 80 #define MEM_PAGE_UNRETIRE (('M' << 8) | 0x06) 81 #define MEM_PAGE_GETERRORS (('M' << 8) | 0x07) 82 #define MEM_PAGE_RETIRE_MCE (('M' << 8) | 0x08) 83 #define MEM_PAGE_RETIRE_UE (('M' << 8) | 0x09) 84 #define MEM_PAGE_RETIRE_TEST (('M' << 8) | 0x0A) 85 86 #define MEM_SID (('M' << 8) | 0x0B) 87 88 /* 89 * Bits returned from MEM_PAGE_GETERRORS ioctl for use by fmd(1M). 90 */ 91 #define MEM_PAGE_ERR_NONE 0x0 92 #define MEM_PAGE_ERR_MULTI_CE 0x1 93 #define MEM_PAGE_ERR_UE 0x2 94 #define MEM_PAGE_ERR_FMA_REQ 0x8 95 96 #define MEM_FMRI_MAX_BUFSIZE 8192 /* maximum allowed packed FMRI size */ 97 98 typedef struct mem_name { 99 uint64_t m_addr; /* memory address */ 100 uint64_t m_synd; /* architecture-specific syndrome */ 101 uint64_t m_type[2]; /* architecture-specific type */ 102 caddr_t m_name; /* memory name buffer */ 103 size_t m_namelen; /* memory name buffer length */ 104 caddr_t m_sid; /* memory serial id buffer */ 105 size_t m_sidlen; /* memory serial id buffer length */ 106 } mem_name_t; 107 108 #if defined(_SYSCALL32) 109 typedef struct mem_name32 { 110 uint64_t m_addr; 111 uint64_t m_synd; 112 uint64_t m_type[2]; 113 caddr32_t m_name; 114 size32_t m_namelen; 115 caddr32_t m_sid; 116 size32_t m_sidlen; 117 } mem_name32_t; 118 #endif /* _SYSCALL32 */ 119 120 typedef struct mem_info { 121 uint64_t m_addr; /* memory address */ 122 uint64_t m_synd; /* architecture-specific syndrome */ 123 uint64_t m_mem_size; /* total memory size */ 124 uint64_t m_seg_size; /* segment size */ 125 uint64_t m_bank_size; /* bank size */ 126 int m_segments; /* # of segments */ 127 int m_banks; /* # of banks in segment */ 128 int m_mcid; /* associated memory controller id */ 129 } mem_info_t; 130 131 #ifdef _KERNEL 132 133 extern pfn_t impl_obmem_pfnum(pfn_t); 134 135 extern int plat_mem_do_mmio(struct uio *, enum uio_rw); 136 137 typedef struct mm_logentry { 138 uintptr_t mle_vaddr; /* vaddr being written to */ 139 size_t mle_len; /* length of write */ 140 timespec_t mle_hrestime; /* hrestime at time of write */ 141 hrtime_t mle_hrtime; /* hrtime at time of write */ 142 pid_t mle_pid; /* pid of writing process */ 143 char mle_psargs[80]; /* psargs of writing process */ 144 } mm_logentry_t; 145 146 #endif /* _KERNEL */ 147 148 #ifdef __cplusplus 149 } 150 #endif 151 152 #endif /* _SYS_MEM_H */ 153