xref: /titanic_50/usr/src/uts/common/avs/ns/nsctl/nsc_mem.h (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
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 _NSC_MEM_H
27 #define	_NSC_MEM_H
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 #ifndef __NSC_GEN__
34 Error: Illegal #include - private file.
35 #endif
36 
37 
38 /*
39  * Macro definitions.
40  */
41 
42 
43 /*
44  * Definition of control structure.
45  */
46 typedef struct nsc_mem_s {
47 	struct nsc_mem_s *next;		/* Link to next type */
48 	char	*name;			/* Description */
49 	int	type;			/* Memory type */
50 	int	flag;			/* Allocation flags */
51 	size_t	used;			/* Current usage */
52 	size_t	hwm;			/* High Water Mark */
53 	int	pages;			/* Usage in pages */
54 	int	pagehwm;		/* Page High Water Mark */
55 	caddr_t base;			/* Base address of RM area */
56 	int	nalloc;			/* Number of allocates */
57 	int	nfree;			/* Number of frees */
58 	int	pend;			/* Operation pending */
59 } nsc_mem_t;
60 
61 
62 /*
63  * Definition of global memory header
64  */
65 
66 #define	_NSCTL_HDRMAGIC	0x5344474c	/* Magic number for header */
67 #define	_NSCTL_HDRVER	2		/* Version number for header */
68 #define	_NSCTL_HDRVER3	3		/* Version number for header */
69 #define	_NSC_GLSLOT	125		/* Number of global slots */
70 #define	_NSC_GLALIGN	4095		/* Alignment between areas */
71 
72 
73 typedef struct nsc_rmhdr_s {
74 	uint32_t	magic;		/* Magic number */
75 	uint32_t	ver;		/* Version number of header */
76 	uint32_t	size;		/* Size of header section */
77 	int32_t		rh_dirty;	/* dirty bit for nvmem */
78 	int32_t		maxdev;		/* Configured nsc_max_devices */
79 	int32_t		pad[14];	/* Future expansion */
80 	nsc_rmmap_t	map[1];		/* Start of map array */
81 } nsc_rmhdr_t;
82 
83 extern nsc_rmmap_t *_nsc_global_nvmemmap_lookup(nsc_rmmap_t *);
84 
85 extern int _nsc_get_global_sizes(void *, int *);
86 extern int _nsc_get_global_data(void *, int *);
87 extern int _nsc_clear_dirty(int);
88 extern int _nsc_check_mapinuse(void);
89 extern int _nsc_is_nsctl_map(char *);
90 
91 extern caddr_t _nsc_rm_base;
92 
93 #ifdef __cplusplus
94 }
95 #endif
96 
97 #endif /* _NSC_MEM_H */
98