| config_intrhook.9 (162638) | config_intrhook.9 (162877) |
|---|---|
| 1.\" | 1.\" |
| 2.\" Copyright (C) 2006 M. Warner Losh <imp@freebsd.org>. All rights reserved. | 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 9.\" the first lines of this file unmodified other than the possible 10.\" addition of one or more copyright notices. --- 8 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.\" | 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 9.\" the first lines of this file unmodified other than the possible 10.\" addition of one or more copyright notices. --- 8 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 162638 2006-09-25 20:12:13Z imp $ | 27.\" $FreeBSD: head/share/man/man9/config_intrhook.9 162877 2006-09-30 17:09:59Z ru $ |
| 28.\" 29.Dd September 24, 2006 30.Dt CONFIG_INTRHOOK 9 31.Os 32.Sh NAME 33.Nm config_intrhook | 28.\" 29.Dd September 24, 2006 30.Dt CONFIG_INTRHOOK 9 31.Os 32.Sh NAME 33.Nm config_intrhook |
| 34.Nd schedules a function to be run after interrupts have been enabled, 35but before root is mounted. | 34.Nd schedule a function to be run after interrupts have been enabled, 35but before root is mounted |
| 36.Sh SYNOPSIS 37.In sys/kernel.h | 36.Sh SYNOPSIS 37.In sys/kernel.h |
| 38.Ft "int" | 38.Ft int |
| 39.Fn config_intrhook_establish "struct intr_config_hook *hook" | 39.Fn config_intrhook_establish "struct intr_config_hook *hook" |
| 40.Ft "void" | 40.Ft void |
| 41.Fn config_intrhook_disestablish "struct intr_config_hook *hook" 42.Sh DESCRIPTION 43The 44.Fn config_intrhook_establish 45function schedules a function to be run after interrupts have been 46enabled, but before root is mounted. 47If the system has already passed this point in its initialization, 48the function is called immediately. --- 11 unchanged lines hidden (view full) --- 60system. 61Any driver that can potentially provide devices they wish to be 62mounted as root must use either this hook, or probe all these devices 63in the initial probe. 64Since interrupts are disabled during the probe process, many drivers 65need a method to probe for devices with interrupts enabled. 66.Pp 67The requests are made with the | 41.Fn config_intrhook_disestablish "struct intr_config_hook *hook" 42.Sh DESCRIPTION 43The 44.Fn config_intrhook_establish 45function schedules a function to be run after interrupts have been 46enabled, but before root is mounted. 47If the system has already passed this point in its initialization, 48the function is called immediately. --- 11 unchanged lines hidden (view full) --- 60system. 61Any driver that can potentially provide devices they wish to be 62mounted as root must use either this hook, or probe all these devices 63in the initial probe. 64Since interrupts are disabled during the probe process, many drivers 65need a method to probe for devices with interrupts enabled. 66.Pp 67The requests are made with the |
| 68.Vt "intr_config_hook" | 68.Vt intr_config_hook |
| 69structure. 70This structure is defined as follows: 71.Bd -literal 72struct intr_config_hook { 73 TAILQ_ENTRY(intr_config_hook) ich_links;/* Private */ 74 void (*ich_func)(void *arg); /* function to call */ 75 void *ich_arg; /* Argument to call */ 76}; --- 14 unchanged lines hidden (view full) --- 91Non-zero return values mean failure. 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 | 69structure. 70This structure is defined as follows: 71.Bd -literal 72struct intr_config_hook { 73 TAILQ_ENTRY(intr_config_hook) ich_links;/* Private */ 74 void (*ich_func)(void *arg); /* function to call */ 75 void *ich_arg; /* Argument to call */ 76}; --- 14 unchanged lines hidden (view full) --- 91Non-zero return values mean failure. 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 |
|
| 99The functions were written by | 100The functions were written by |
| 100.An Justin Gibbs Aq gibbs@freebsd.org . | 101.An Justin Gibbs Aq gibbs@FreeBSD.org . |
| 101This manual page was written by | 102This manual page was written by |
| 102.An M. Warner Losh Aq imp@freebsd.org . | 103.An M. Warner Losh Aq imp@FreeBSD.org . |