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Improve the descriptions of the detach and activate/deactivate interfaces.

This commit is contained in:
gmcgarry 2001-10-18 19:35:25 +00:00
parent d9e921bd84
commit f599563f29
1 changed files with 16 additions and 2 deletions
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18
share/man/man9/autoconf.9
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@ -1,4 +1,4 @@
.\" $NetBSD: autoconf.9,v 1.5 2001/09/13 21:41:01 briggs Exp $ .\" $NetBSD: autoconf.9,v 1.6 2001/10/18 19:35:25 gmcgarry Exp $
.\" .\"
.\" Copyright (c) 2001 The NetBSD Foundation, Inc. .\" Copyright (c) 2001 The NetBSD Foundation, Inc.
.\" All rights reserved. .\" All rights reserved.
@ -224,12 +224,26 @@ detachment (eg. because of hardware removal) and DETACH_QUIET (do not
print a notice). print a notice).
.Fn config_detach .Fn config_detach
returns zero if successful and an error code otherwise. returns zero if successful and an error code otherwise.
.Fn config_detach
is always called from a thread context, allowing
.Xr sleep 9
to be called while the device detaches itself.
.It Fn config_activate "dev" .It Fn config_activate "dev"
Called by the parent to activate the child device Called by the parent to activate the child device
.Fa dev . .Fa dev .
It is called to activate resources and initialise other kernel
subsystems (such as the network subsystem).
.Fn config_activate
is called from interrupt contect after the device has been attached.
.It Fn config_deactivate "dev" .It Fn config_deactivate "dev"
Called by the parent to deactivate the child device Called by the parent to deactivate the child device
.Fa dev . .Fa dev .
.Fn config_deactivate
is called from interrupt context to immediately relinquish resources
and notify dependent kernel subsystems that the device is about to be
detached. At some later point
.Fn config_detach
will be called to finalise the removal of the device.
.It Fn config_defer "dev" "func" .It Fn config_defer "dev" "func"
Called by the child to defer the remainder of its configuration until Called by the child to defer the remainder of its configuration until
all its parent's devices have been attached. At this point, the all its parent's devices have been attached. At this point, the
@ -275,5 +289,5 @@ Autoconfiguration first appeared in
.Bx 4.1 . .Bx 4.1 .
The autoconfiguration framework was completely revised in The autoconfiguration framework was completely revised in
.Bx 4.4 . .Bx 4.4 .
The detach and activate interfaces appeared in The detach and activate/deactivate interfaces appeared in
.Nx 1.5 . .Nx 1.5 .