xref: /illumos-gate/usr/src/uts/i86pc/sys/dr_util.h (revision a3114836)
1*a3114836SGerry Liu /*
2*a3114836SGerry Liu  * CDDL HEADER START
3*a3114836SGerry Liu  *
4*a3114836SGerry Liu  * The contents of this file are subject to the terms of the
5*a3114836SGerry Liu  * Common Development and Distribution License (the "License").
6*a3114836SGerry Liu  * You may not use this file except in compliance with the License.
7*a3114836SGerry Liu  *
8*a3114836SGerry Liu  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*a3114836SGerry Liu  * or http://www.opensolaris.org/os/licensing.
10*a3114836SGerry Liu  * See the License for the specific language governing permissions
11*a3114836SGerry Liu  * and limitations under the License.
12*a3114836SGerry Liu  *
13*a3114836SGerry Liu  * When distributing Covered Code, include this CDDL HEADER in each
14*a3114836SGerry Liu  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*a3114836SGerry Liu  * If applicable, add the following below this CDDL HEADER, with the
16*a3114836SGerry Liu  * fields enclosed by brackets "[]" replaced with your own identifying
17*a3114836SGerry Liu  * information: Portions Copyright [yyyy] [name of copyright owner]
18*a3114836SGerry Liu  *
19*a3114836SGerry Liu  * CDDL HEADER END
20*a3114836SGerry Liu  */
21*a3114836SGerry Liu /*
22*a3114836SGerry Liu  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23*a3114836SGerry Liu  * Use is subject to license terms.
24*a3114836SGerry Liu  */
25*a3114836SGerry Liu 
26*a3114836SGerry Liu #ifndef _SYS_DR_UTIL_H_
27*a3114836SGerry Liu #define	_SYS_DR_UTIL_H_
28*a3114836SGerry Liu #include <sys/types.h>
29*a3114836SGerry Liu #include <sys/kmem.h>
30*a3114836SGerry Liu #include <sys/memlist.h>
31*a3114836SGerry Liu #include <sys/varargs.h>
32*a3114836SGerry Liu #include <sys/sbd_ioctl.h>
33*a3114836SGerry Liu 
34*a3114836SGerry Liu #ifdef	__cplusplus
35*a3114836SGerry Liu extern "C" {
36*a3114836SGerry Liu #endif
37*a3114836SGerry Liu 
38*a3114836SGerry Liu #define	GETSTRUCT(t, n) \
39*a3114836SGerry Liu 		((t *)kmem_zalloc((size_t)(n) * sizeof (t), KM_SLEEP))
40*a3114836SGerry Liu #define	FREESTRUCT(p, t, n) \
41*a3114836SGerry Liu 		(kmem_free((caddr_t)(p), sizeof (t) * (size_t)(n)))
42*a3114836SGerry Liu 
43*a3114836SGerry Liu #define	DRERR_SET_C(epps, eppn)		\
44*a3114836SGerry Liu 	if (*(epps) == NULL)		\
45*a3114836SGerry Liu 		*(epps) = *(eppn);	\
46*a3114836SGerry Liu 	else				\
47*a3114836SGerry Liu 		sbd_err_clear(eppn)
48*a3114836SGerry Liu 
49*a3114836SGerry Liu #ifdef DEBUG
50*a3114836SGerry Liu #define	MEMLIST_DUMP(ml) memlist_dump(ml)
51*a3114836SGerry Liu #else
52*a3114836SGerry Liu #define	MEMLIST_DUMP(ml)
53*a3114836SGerry Liu #endif
54*a3114836SGerry Liu 
55*a3114836SGerry Liu extern sbd_error_t	*sbd_err_new(int e_code, char *fmt, va_list args);
56*a3114836SGerry Liu extern void		sbd_err_log(sbd_error_t *ep, int ce);
57*a3114836SGerry Liu extern void		sbd_err_clear(sbd_error_t **ep);
58*a3114836SGerry Liu extern void		sbd_err_set_c(sbd_error_t **ep, int ce,
59*a3114836SGerry Liu 				int e_code, char *fmt, ...);
60*a3114836SGerry Liu extern void		sbd_err_set(sbd_error_t **ep, int ce,
61*a3114836SGerry Liu 				int e_code, char *fmt, ...);
62*a3114836SGerry Liu 
63*a3114836SGerry Liu extern sbd_error_t	*drerr_new(int log, int e_code, char *fmt, ...);
64*a3114836SGerry Liu extern sbd_error_t	*drerr_new_v(int e_code, char *fmt, va_list args);
65*a3114836SGerry Liu extern void		drerr_set_c(int log, sbd_error_t **ep,
66*a3114836SGerry Liu 				int e_code, char *fmt, ...);
67*a3114836SGerry Liu 
68*a3114836SGerry Liu extern void		dr_memlist_delete(struct memlist *mlist);
69*a3114836SGerry Liu extern void		memlist_dump(struct memlist *mlist);
70*a3114836SGerry Liu extern int		dr_memlist_intersect(struct memlist *al,
71*a3114836SGerry Liu 				struct memlist *bl);
72*a3114836SGerry Liu extern void		dr_memlist_coalesce(struct memlist *mlist);
73*a3114836SGerry Liu extern struct memlist	*dr_memlist_dup(struct memlist *mlist);
74*a3114836SGerry Liu extern struct memlist	*dr_memlist_add_span(struct memlist *mlist,
75*a3114836SGerry Liu 				uint64_t base, uint64_t len);
76*a3114836SGerry Liu extern struct memlist	*dr_memlist_del_span(struct memlist *mlist,
77*a3114836SGerry Liu 				uint64_t base, uint64_t len);
78*a3114836SGerry Liu extern struct memlist	*dr_memlist_cat_span(struct memlist *mlist,
79*a3114836SGerry Liu 				uint64_t base, uint64_t len);
80*a3114836SGerry Liu 
81*a3114836SGerry Liu /*
82*a3114836SGerry Liu  * These are all utilities internal for DR.  There are
83*a3114836SGerry Liu  * similar functions in common/os which have similar names.
84*a3114836SGerry Liu  * We rename them to make sure there is no name space
85*a3114836SGerry Liu  * conflict.
86*a3114836SGerry Liu  */
87*a3114836SGerry Liu #define	memlist_delete		dr_memlist_delete
88*a3114836SGerry Liu #define	memlist_intersect	dr_memlist_intersect
89*a3114836SGerry Liu #define	memlist_coalesce	dr_memlist_coalesce
90*a3114836SGerry Liu #define	memlist_dup		dr_memlist_dup
91*a3114836SGerry Liu #define	memlist_add_span	dr_memlist_add_span
92*a3114836SGerry Liu #define	memlist_del_span	dr_memlist_del_span
93*a3114836SGerry Liu #define	memlist_cat_span	dr_memlist_cat_span
94*a3114836SGerry Liu 
95*a3114836SGerry Liu #ifdef __cplusplus
96*a3114836SGerry Liu }
97*a3114836SGerry Liu #endif
98*a3114836SGerry Liu 
99*a3114836SGerry Liu #endif /* _SYS_DR_UTIL_H_ */
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