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 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  * Copyright 2018 Joyent, Inc.
  26  */
  27 
  28 #ifndef _VM_SEG_MF_H
  29 #define _VM_SEG_MF_H
  30 
  31 
  32 #include <sys/types.h>
  33 #include <vm/seg.h>
  34 #include <sys/hypervisor.h>
  35 
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39 
  40 struct segmf_crargs {
  41         dev_t           dev;
  42         uchar_t         prot;
  43         uchar_t         maxprot;
  44 };
  45 
  46 extern int segmf_create(struct seg **, void *);
  47 
  48 extern int segmf_add_mfns(struct seg *, caddr_t, mfn_t, pgcnt_t, domid_t);
  49 
  50 /* max grefs which can be passed into segmf_add_grefs */
  51 #define SEGMF_MAX_GREFS         0x10
  52 
  53 /* segmf_add_grefs flags */
  54 #define SEGMF_GREF_WR           0x1     /* Map gref writable */
  55 
  56 extern int segmf_add_grefs(struct seg *, caddr_t, uint_t, grant_ref_t *,
  57     uint_t, domid_t);
  58 extern int segmf_release_grefs(struct seg *, caddr_t, uint_t);
  59 extern void segmf_add_gref_pte(struct seg *, caddr_t, uint64_t);
  60 
  61 #ifdef __cplusplus
  62 }
  63 #endif
  64 
  65 #endif /* _VM_SEG_MF_H */