arch/x86/kernel/platform/i86pc/include/sys/dr_util.h

   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 2006 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_DR_UTIL_H_
  27 #define _SYS_DR_UTIL_H_
  28 #include <sys/types.h>
  29 #include <sys/kmem.h>
  30 #include <sys/memlist.h>
  31 #include <sys/varargs.h>
  32 #include <sys/sbd_ioctl.h>
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 #define GETSTRUCT(t, n) \
  39                 ((t *)kmem_zalloc((size_t)(n) * sizeof (t), KM_SLEEP))
  40 #define FREESTRUCT(p, t, n) \
  41                 (kmem_free((caddr_t)(p), sizeof (t) * (size_t)(n)))
  42
  43 #define DRERR_SET_C(epps, eppn)         \
  44         if (*(epps) == NULL)            \
  45                 *(epps) = *(eppn);      \
  46         else                            \
  47                 sbd_err_clear(eppn)
  48
  49 #ifdef DEBUG
  50 #define MEMLIST_DUMP(ml) memlist_dump(ml)
  51 #else
  52 #define MEMLIST_DUMP(ml)
  53 #endif
  54
  55 extern sbd_error_t      *sbd_err_new(int e_code, char *fmt, va_list args);
  56 extern void             sbd_err_log(sbd_error_t *ep, int ce);
  57 extern void             sbd_err_clear(sbd_error_t **ep);
  58 extern void             sbd_err_set_c(sbd_error_t **ep, int ce,
  59                                 int e_code, char *fmt, ...);
  60 extern void             sbd_err_set(sbd_error_t **ep, int ce,
  61                                 int e_code, char *fmt, ...);
  62
  63 extern sbd_error_t      *drerr_new(int log, int e_code, char *fmt, ...);
  64 extern sbd_error_t      *drerr_new_v(int e_code, char *fmt, va_list args);
  65 extern void             drerr_set_c(int log, sbd_error_t **ep,
  66                                 int e_code, char *fmt, ...);
  67
  68 extern void             dr_memlist_delete(struct memlist *mlist);
  69 extern void             memlist_dump(struct memlist *mlist);
  70 extern int              dr_memlist_intersect(struct memlist *al,
  71                                 struct memlist *bl);
  72 extern void             dr_memlist_coalesce(struct memlist *mlist);
  73 extern struct memlist   *dr_memlist_dup(struct memlist *mlist);
  74 extern struct memlist   *dr_memlist_add_span(struct memlist *mlist,
  75                                 uint64_t base, uint64_t len);
  76 extern struct memlist   *dr_memlist_del_span(struct memlist *mlist,
  77                                 uint64_t base, uint64_t len);
  78 extern struct memlist   *dr_memlist_cat_span(struct memlist *mlist,
  79                                 uint64_t base, uint64_t len);
  80
  81 /*
  82  * These are all utilities internal for DR.  There are
  83  * similar functions in kernel/os which have similar names.
  84  * We rename them to make sure there is no name space
  85  * conflict.
  86  */
  87 #define memlist_delete          dr_memlist_delete
  88 #define memlist_intersect       dr_memlist_intersect
  89 #define memlist_coalesce        dr_memlist_coalesce
  90 #define memlist_dup             dr_memlist_dup
  91 #define memlist_add_span        dr_memlist_add_span
  92 #define memlist_del_span        dr_memlist_del_span
  93 #define memlist_cat_span        dr_memlist_cat_span
  94
  95 #ifdef __cplusplus
  96 }
  97 #endif
  98
  99 #endif /* _SYS_DR_UTIL_H_ */