1*591e0e13SSebastien Roy /* 2*591e0e13SSebastien Roy * CDDL HEADER START 3*591e0e13SSebastien Roy * 4*591e0e13SSebastien Roy * The contents of this file are subject to the terms of the 5*591e0e13SSebastien Roy * Common Development and Distribution License (the "License"). 6*591e0e13SSebastien Roy * You may not use this file except in compliance with the License. 7*591e0e13SSebastien Roy * 8*591e0e13SSebastien Roy * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*591e0e13SSebastien Roy * or http://www.opensolaris.org/os/licensing. 10*591e0e13SSebastien Roy * See the License for the specific language governing permissions 11*591e0e13SSebastien Roy * and limitations under the License. 12*591e0e13SSebastien Roy * 13*591e0e13SSebastien Roy * When distributing Covered Code, include this CDDL HEADER in each 14*591e0e13SSebastien Roy * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*591e0e13SSebastien Roy * If applicable, add the following below this CDDL HEADER, with the 16*591e0e13SSebastien Roy * fields enclosed by brackets "[]" replaced with your own identifying 17*591e0e13SSebastien Roy * information: Portions Copyright [yyyy] [name of copyright owner] 18*591e0e13SSebastien Roy * 19*591e0e13SSebastien Roy * CDDL HEADER END 20*591e0e13SSebastien Roy */ 21*591e0e13SSebastien Roy /* 22*591e0e13SSebastien Roy * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23*591e0e13SSebastien Roy * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24*591e0e13SSebastien Roy * Copyright (c) 2012, 2017 by Delphix. All rights reserved. 25*591e0e13SSebastien Roy * Copyright (c) 2012, Joyent, Inc. All rights reserved. 26*591e0e13SSebastien Roy */ 27*591e0e13SSebastien Roy 28*591e0e13SSebastien Roy #ifndef _ZFS_TASKQ_H 29*591e0e13SSebastien Roy #define _ZFS_TASKQ_H 30*591e0e13SSebastien Roy 31*591e0e13SSebastien Roy #include <stdint.h> 32*591e0e13SSebastien Roy #include <umem.h> 33*591e0e13SSebastien Roy 34*591e0e13SSebastien Roy #ifdef __cplusplus 35*591e0e13SSebastien Roy extern "C" { 36*591e0e13SSebastien Roy #endif 37*591e0e13SSebastien Roy 38*591e0e13SSebastien Roy typedef struct zfs_taskq zfs_taskq_t; 39*591e0e13SSebastien Roy typedef uintptr_t zfs_taskqid_t; 40*591e0e13SSebastien Roy typedef void (ztask_func_t)(void *); 41*591e0e13SSebastien Roy 42*591e0e13SSebastien Roy #define ZFS_TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */ 43*591e0e13SSebastien Roy 44*591e0e13SSebastien Roy #define ZFS_TASKQ_PREPOPULATE 0x0001 45*591e0e13SSebastien Roy 46*591e0e13SSebastien Roy #define ZFS_TQ_SLEEP UMEM_NOFAIL /* Can block for memory */ 47*591e0e13SSebastien Roy #define ZFS_TQ_NOSLEEP UMEM_DEFAULT /* cannot block for memory; may fail */ 48*591e0e13SSebastien Roy #define ZFS_TQ_FRONT 0x08 /* Queue in front */ 49*591e0e13SSebastien Roy 50*591e0e13SSebastien Roy extern zfs_taskq_t *zfs_taskq_create(const char *, int, pri_t, int, 51*591e0e13SSebastien Roy int, uint_t); 52*591e0e13SSebastien Roy extern void zfs_taskq_destroy(zfs_taskq_t *); 53*591e0e13SSebastien Roy 54*591e0e13SSebastien Roy extern zfs_taskqid_t zfs_taskq_dispatch(zfs_taskq_t *, ztask_func_t, 55*591e0e13SSebastien Roy void *, uint_t); 56*591e0e13SSebastien Roy 57*591e0e13SSebastien Roy extern void zfs_taskq_wait(zfs_taskq_t *); 58*591e0e13SSebastien Roy 59*591e0e13SSebastien Roy #ifdef __cplusplus 60*591e0e13SSebastien Roy } 61*591e0e13SSebastien Roy #endif 62*591e0e13SSebastien Roy 63*591e0e13SSebastien Roy #endif /* _ZFS_TASKQ_H */ 64