| config_intrhook.9 (162877) | config_intrhook.9 (164605) |
|---|---|
| 1.\" 2.\" Copyright (C) 2006 M. Warner Losh <imp@FreeBSD.org>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as --- 10 unchanged lines hidden (view full) --- 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25.\" DAMAGE. 26.\" | 1.\" 2.\" Copyright (C) 2006 M. Warner Losh <imp@FreeBSD.org>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as --- 10 unchanged lines hidden (view full) --- 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25.\" DAMAGE. 26.\" |
| 27.\" $FreeBSD: head/share/man/man9/config_intrhook.9 162877 2006-09-30 17:09:59Z ru $ | 27.\" $FreeBSD: head/share/man/man9/config_intrhook.9 164605 2006-11-25 22:34:01Z imp $ |
| 28.\" 29.Dd September 24, 2006 30.Dt CONFIG_INTRHOOK 9 31.Os 32.Sh NAME 33.Nm config_intrhook 34.Nd schedule a function to be run after interrupts have been enabled, 35but before root is mounted --- 46 unchanged lines hidden (view full) --- 82It must be stable from just before the hook is established until 83after the hook is disestablished. 84.Pp 85Specifically, hooks are run at 86.Fn SI_SUB_INT_CONFIG_HOOKS , 87which is immeidately after the scheduler is started, 88and just before the root file system device is discovered. 89.Sh RETURN VALUES | 28.\" 29.Dd September 24, 2006 30.Dt CONFIG_INTRHOOK 9 31.Os 32.Sh NAME 33.Nm config_intrhook 34.Nd schedule a function to be run after interrupts have been enabled, 35but before root is mounted --- 46 unchanged lines hidden (view full) --- 82It must be stable from just before the hook is established until 83after the hook is disestablished. 84.Pp 85Specifically, hooks are run at 86.Fn SI_SUB_INT_CONFIG_HOOKS , 87which is immeidately after the scheduler is started, 88and just before the root file system device is discovered. 89.Sh RETURN VALUES |
| 90Zero return values mean success. 91Non-zero return values mean failure. | 90A zero return value means the hook was successfully added to the queue 91(with either deferred or immediate execution). 92A non-zero return value means the hook could not be added to the queue 93because it was already on the queue. |
| 92.Sh SEE ALSO 93.Xr DEVICE_ATTACH 9 94.Sh HISTORY 95These functions were introduced in 96.Fx 3.0 97with the CAM subsystem, but are available for any driver to use. 98.Sh AUTHORS 99.An -nosplit 100The functions were written by 101.An Justin Gibbs Aq gibbs@FreeBSD.org . 102This manual page was written by 103.An M. Warner Losh Aq imp@FreeBSD.org . | 94.Sh SEE ALSO 95.Xr DEVICE_ATTACH 9 96.Sh HISTORY 97These functions were introduced in 98.Fx 3.0 99with the CAM subsystem, but are available for any driver to use. 100.Sh AUTHORS 101.An -nosplit 102The functions were written by 103.An Justin Gibbs Aq gibbs@FreeBSD.org . 104This manual page was written by 105.An M. Warner Losh Aq imp@FreeBSD.org . |