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| author | Li-Wen Hsu <lwhsu@FreeBSD.org> | 2021-06-01 04:33:12 +0000 |
|---|---|---|
| committer | Li-Wen Hsu <lwhsu@FreeBSD.org> | 2021-06-10 15:28:29 +0000 |
| commit | 90372d8ec305d75143378666a578d9ddc73f9ac1 (patch) | |
| tree | d8caa130e67523cc025f320cb866775815ba39b6 | |
| parent | 21d163f8a1013278ecdded77abf6c0dfda554a46 (diff) | |
| download | src-90372d8ec305d75143378666a578d9ddc73f9ac1.tar.gz src-90372d8ec305d75143378666a578d9ddc73f9ac1.zip | |
Add freeze/thaw description to devctl(8)
This is a follow-up to 5fa29797910346fc0c54829bd979856e83b9b7ea .
PR: 256311
Reviewed by: imp
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D29867
(cherry picked from commit 315674fb6acc4fa54cf82de3863c349c5a71f498)
| -rw-r--r-- | usr.sbin/devctl/devctl.8 | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/usr.sbin/devctl/devctl.8 b/usr.sbin/devctl/devctl.8 index 17f480bd66ee..965c310d0868 100644 --- a/usr.sbin/devctl/devctl.8 +++ b/usr.sbin/devctl/devctl.8 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd April 4, 2019 +.Dd June 1, 2021 .Dt DEVCTL 8 .Os .Sh NAME @@ -67,6 +67,10 @@ .Op Fl f .Ar device .Nm +.Cm freeze +.Nm +.Cm thaw +.Nm .Cm reset .Op Fl d .Ar device @@ -170,6 +174,23 @@ the device will be deleted even if it is physically present. This command should be used with care as a device that is deleted but present can no longer be used unless the parent bus device rediscovers the device via a rescan request. +.It Cm freeze +Freeze probe and attach processing initiated in response to drivers being +loaded. +Drivers are placed on a +.Do +frozen list +.Dc +and processed when a later +.Do +thaw +.Dc +occurs. +.It Cm thaw +Resume (thaw the freeze) probe and attach initiated in response to drivers +being loaded. +In addition to resuming, all pending actions that were frozen during the freeze +are performed. .It Xo Cm reset .Op Fl d .Ar device |