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      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 */
    138