nsc_mem.h revision fcf3ce441efd61da9bb2884968af01cb7c1452cc
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _NSC_MEM_H
#define _NSC_MEM_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __NSC_GEN__
Error: Illegal #include - private file.
#endif
/*
* Macro definitions.
*/
/*
* Definition of control structure.
*/
typedef struct nsc_mem_s {
struct nsc_mem_s *next; /* Link to next type */
char *name; /* Description */
int type; /* Memory type */
int flag; /* Allocation flags */
size_t used; /* Current usage */
size_t hwm; /* High Water Mark */
int pages; /* Usage in pages */
int pagehwm; /* Page High Water Mark */
caddr_t base; /* Base address of RM area */
int nalloc; /* Number of allocates */
int nfree; /* Number of frees */
int pend; /* Operation pending */
} nsc_mem_t;
/*
* Definition of global memory header
*/
#define _NSCTL_HDRMAGIC 0x5344474c /* Magic number for header */
#define _NSCTL_HDRVER 2 /* Version number for header */
#define _NSCTL_HDRVER3 3 /* Version number for header */
#define _NSC_GLSLOT 125 /* Number of global slots */
#define _NSC_GLALIGN 4095 /* Alignment between areas */
typedef struct nsc_rmhdr_s {
uint32_t magic; /* Magic number */
uint32_t ver; /* Version number of header */
uint32_t size; /* Size of header section */
int32_t rh_dirty; /* dirty bit for nvmem */
int32_t maxdev; /* Configured nsc_max_devices */
int32_t pad[14]; /* Future expansion */
nsc_rmmap_t map[1]; /* Start of map array */
} nsc_rmhdr_t;
extern nsc_rmmap_t *_nsc_global_nvmemmap_lookup(nsc_rmmap_t *);
extern int _nsc_get_global_sizes(void *, int *);
extern int _nsc_get_global_data(void *, int *);
extern int _nsc_clear_dirty(int);
extern int _nsc_check_mapinuse(void);
extern int _nsc_is_nsctl_map(char *);
extern caddr_t _nsc_rm_base;
#ifdef __cplusplus
}
#endif
#endif /* _NSC_MEM_H */