usr/src/uts/common/sys/mem.h

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