1 1.7 riastrad /* $NetBSD: tasklet.h,v 1.7 2022/07/17 14:11:07 riastradh Exp $ */ 2 1.1 riastrad 3 1.1 riastrad /*- 4 1.5 riastrad * Copyright (c) 2018, 2020 The NetBSD Foundation, Inc. 5 1.1 riastrad * All rights reserved. 6 1.1 riastrad * 7 1.1 riastrad * This code is derived from software contributed to The NetBSD Foundation 8 1.1 riastrad * by Taylor R. Campbell. 9 1.1 riastrad * 10 1.1 riastrad * Redistribution and use in source and binary forms, with or without 11 1.1 riastrad * modification, are permitted provided that the following conditions 12 1.1 riastrad * are met: 13 1.1 riastrad * 1. Redistributions of source code must retain the above copyright 14 1.1 riastrad * notice, this list of conditions and the following disclaimer. 15 1.1 riastrad * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 riastrad * notice, this list of conditions and the following disclaimer in the 17 1.1 riastrad * documentation and/or other materials provided with the distribution. 18 1.1 riastrad * 19 1.1 riastrad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 riastrad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 riastrad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 riastrad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 riastrad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 riastrad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 riastrad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 riastrad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 riastrad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 riastrad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 riastrad * POSSIBILITY OF SUCH DAMAGE. 30 1.1 riastrad */ 31 1.1 riastrad 32 1.1 riastrad #ifndef _LINUX_TASKLET_H_ 33 1.1 riastrad #define _LINUX_TASKLET_H_ 34 1.1 riastrad 35 1.1 riastrad /* namespace */ 36 1.5 riastrad #define __tasklet_disable_sync_once linux___tasklet_disable_sync_once 37 1.5 riastrad #define __tasklet_enable linux___tasklet_enable 38 1.5 riastrad #define __tasklet_enable_sync_once linux___tasklet_enable_sync_once 39 1.5 riastrad #define __tasklet_is_enabled linux___tasklet_is_enabled 40 1.5 riastrad #define __tasklet_is_scheduled linux___tasklet_is_scheduled 41 1.3 riastrad #define tasklet_disable linux_tasklet_disable 42 1.7 riastrad #define tasklet_disable_nosync linux_tasklet_disable_nosync 43 1.3 riastrad #define tasklet_enable linux_tasklet_enable 44 1.3 riastrad #define tasklet_hi_schedule linux_tasklet_hi_schedule 45 1.3 riastrad #define tasklet_init linux_tasklet_init 46 1.5 riastrad #define tasklet_is_locked linux_tasklet_is_locked 47 1.3 riastrad #define tasklet_kill linux_tasklet_kill 48 1.3 riastrad #define tasklet_schedule linux_tasklet_schedule 49 1.3 riastrad #define tasklet_struct linux_tasklet_struct 50 1.5 riastrad #define tasklet_trylock linux_tasklet_trylock 51 1.5 riastrad #define tasklet_unlock linux_tasklet_unlock 52 1.5 riastrad #define tasklet_unlock_wait linux_tasklet_unlock_wait 53 1.1 riastrad 54 1.1 riastrad struct tasklet_struct { 55 1.1 riastrad SIMPLEQ_ENTRY(tasklet_struct) tl_entry; 56 1.1 riastrad volatile unsigned tl_state; 57 1.1 riastrad volatile unsigned tl_disablecount; 58 1.1 riastrad /* begin Linux API */ 59 1.1 riastrad void (*func)(unsigned long); 60 1.1 riastrad unsigned long data; 61 1.1 riastrad /* end Linux API */ 62 1.1 riastrad }; 63 1.1 riastrad 64 1.1 riastrad #define DEFINE_TASKLET(name, func, data) \ 65 1.1 riastrad struct tasklet_struct name = { \ 66 1.1 riastrad .tl_state = 0, \ 67 1.1 riastrad .tl_disablecount = 0, \ 68 1.1 riastrad .func = (func), \ 69 1.1 riastrad .data = (data), \ 70 1.1 riastrad } 71 1.1 riastrad 72 1.1 riastrad #define DEFINE_TASKLET_DISABLED(name, func, data) \ 73 1.1 riastrad struct tasklet_struct name = { \ 74 1.1 riastrad .tl_state = 0, \ 75 1.1 riastrad .tl_disablecount = 1, \ 76 1.1 riastrad .func = (func), \ 77 1.1 riastrad .data = (data), \ 78 1.1 riastrad } 79 1.1 riastrad 80 1.1 riastrad int linux_tasklets_init(void); 81 1.1 riastrad void linux_tasklets_fini(void); 82 1.1 riastrad 83 1.1 riastrad void tasklet_init(struct tasklet_struct *, void (*)(unsigned long), 84 1.1 riastrad unsigned long); 85 1.6 riastrad void tasklet_disable_nosync(struct tasklet_struct *); 86 1.1 riastrad void tasklet_disable(struct tasklet_struct *); 87 1.1 riastrad void tasklet_enable(struct tasklet_struct *); 88 1.1 riastrad void tasklet_schedule(struct tasklet_struct *); 89 1.1 riastrad void tasklet_hi_schedule(struct tasklet_struct *); 90 1.1 riastrad void tasklet_kill(struct tasklet_struct *); 91 1.1 riastrad 92 1.5 riastrad bool tasklet_is_locked(const struct tasklet_struct *); 93 1.5 riastrad bool tasklet_trylock(struct tasklet_struct *); 94 1.5 riastrad void tasklet_unlock(struct tasklet_struct *); 95 1.5 riastrad void tasklet_unlock_wait(const struct tasklet_struct *); 96 1.5 riastrad 97 1.5 riastrad /* i915 hacks */ 98 1.5 riastrad void __tasklet_disable_sync_once(struct tasklet_struct *); 99 1.5 riastrad void __tasklet_enable_sync_once(struct tasklet_struct *); 100 1.5 riastrad bool __tasklet_is_enabled(const struct tasklet_struct *); 101 1.5 riastrad bool __tasklet_is_scheduled(const struct tasklet_struct *); 102 1.5 riastrad bool __tasklet_enable(struct tasklet_struct *); 103 1.4 riastrad 104 1.1 riastrad #endif /* _LINUX_TASKLET_H_ */ 105
Indexes created Tue Sep 23 13:09:54 GMT 2025