1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or https://opensource.org/licenses/CDDL-1.0. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2014 by Chunwei Chen. All rights reserved. 24 * Copyright (c) 2016, 2019 by Delphix. All rights reserved. 25 */ 26 27 #ifndef _ABD_OS_H 28 #define _ABD_OS_H 29 30 #ifdef _KERNEL 31 #include <sys/vm.h> 32 #include <vm/vm_page.h> 33 #endif 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 struct abd; 40 41 struct abd_scatter { 42 uint_t abd_offset; 43 void *abd_chunks[1]; /* actually variable-length */ 44 }; 45 46 struct abd_linear { 47 void *abd_buf; 48 #if defined(_KERNEL) 49 struct sf_buf *sf; /* for LINEAR_PAGE FreeBSD */ 50 #endif 51 }; 52 53 #ifdef _KERNEL 54 __attribute__((malloc)) 55 struct abd *abd_alloc_from_pages(vm_page_t *, unsigned long, uint64_t); 56 #endif 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* _ABD_H */ 63