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
30extern "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
50typedef 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)
57typedef 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
92typedef 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)
103typedef 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
114typedef 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
127extern pfn_t impl_obmem_pfnum(pfn_t);
128
129extern 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