xref: /onnv-gate/usr/src/uts/common/sys/mem.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _SYS_MEM_H
28*0Sstevel@tonic-gate #define	_SYS_MEM_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #include <sys/types.h>
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate  * Memory Device Minor Numbers
40*0Sstevel@tonic-gate  */
41*0Sstevel@tonic-gate #define	M_MEM		0	/* /dev/mem - physical main memory */
42*0Sstevel@tonic-gate #define	M_KMEM		1	/* /dev/kmem - virtual kernel memory */
43*0Sstevel@tonic-gate #define	M_NULL		2	/* /dev/null - EOF & Rathole */
44*0Sstevel@tonic-gate #define	M_ALLKMEM	3	/* /dev/allkmem - virtual kernel memory & I/O */
45*0Sstevel@tonic-gate #define	M_ZERO		12	/* /dev/zero - source of private memory */
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate /*
48*0Sstevel@tonic-gate  * Private ioctl for libkvm: translate virtual address to physical address.
49*0Sstevel@tonic-gate  */
50*0Sstevel@tonic-gate #define	MEM_VTOP		(('M' << 8) | 0x01)
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate typedef struct mem_vtop {
53*0Sstevel@tonic-gate 	struct as	*m_as;
54*0Sstevel@tonic-gate 	void		*m_va;
55*0Sstevel@tonic-gate 	pfn_t		m_pfn;
56*0Sstevel@tonic-gate } mem_vtop_t;
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate /*
59*0Sstevel@tonic-gate  * Private ioctls for fmd(1M).  These interfaces are Sun Private.  Applications
60*0Sstevel@tonic-gate  * and drivers should not make use of these interfaces: they can change without
61*0Sstevel@tonic-gate  * notice and programs that consume them will fail to run on future releases.
62*0Sstevel@tonic-gate  */
63*0Sstevel@tonic-gate #define	MEM_PAGE_RETIRE		(('M' << 8) | 0x02)
64*0Sstevel@tonic-gate #define	MEM_PAGE_ISRETIRED	(('M' << 8) | 0x03)
65*0Sstevel@tonic-gate #define	MEM_NAME		(('M' << 8) | 0x04)
66*0Sstevel@tonic-gate #define	MEM_INFO		(('M' << 8) | 0x05)
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate typedef struct mem_name {
69*0Sstevel@tonic-gate 	uint64_t	m_addr;		/* memory address */
70*0Sstevel@tonic-gate 	uint64_t	m_synd;		/* architecture-specific syndrome */
71*0Sstevel@tonic-gate 	uint64_t	m_type[2];	/* architecture-specific type */
72*0Sstevel@tonic-gate 	caddr_t		m_name;		/* memory name buffer */
73*0Sstevel@tonic-gate 	size_t		m_namelen;	/* memory name buffer length */
74*0Sstevel@tonic-gate } mem_name_t;
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate #if	defined(_SYSCALL32)
77*0Sstevel@tonic-gate typedef struct mem_name32 {
78*0Sstevel@tonic-gate 	uint64_t	m_addr;
79*0Sstevel@tonic-gate 	uint64_t	m_synd;
80*0Sstevel@tonic-gate 	uint64_t	m_type[2];
81*0Sstevel@tonic-gate 	caddr32_t	m_name;
82*0Sstevel@tonic-gate 	size32_t	m_namelen;
83*0Sstevel@tonic-gate } mem_name32_t;
84*0Sstevel@tonic-gate #endif	/* _SYSCALL32 */
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate typedef struct mem_info {
87*0Sstevel@tonic-gate 	uint64_t	m_addr;		/* memory address */
88*0Sstevel@tonic-gate 	uint64_t	m_synd;		/* architecture-specific syndrome */
89*0Sstevel@tonic-gate 	uint64_t	m_mem_size;	/* total memory size */
90*0Sstevel@tonic-gate 	uint64_t	m_seg_size;	/* segment size */
91*0Sstevel@tonic-gate 	uint64_t	m_bank_size;	/* bank size */
92*0Sstevel@tonic-gate 	int		m_segments;	/* # of segments */
93*0Sstevel@tonic-gate 	int		m_banks;	/* # of banks in segment */
94*0Sstevel@tonic-gate 	int		m_mcid;		/* associated memory controller id */
95*0Sstevel@tonic-gate } mem_info_t;
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate #ifdef	_KERNEL
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate extern pfn_t impl_obmem_pfnum(pfn_t);
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate #endif	/* _KERNEL */
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate #ifdef	__cplusplus
104*0Sstevel@tonic-gate }
105*0Sstevel@tonic-gate #endif
106*0Sstevel@tonic-gate 
107*0Sstevel@tonic-gate #endif	/* _SYS_MEM_H */
108