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Differential D31297

lua loader: Add disable-device to disable a device.
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Authored by imp on Jul 24 2021, 4:36 AM.
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dab

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Reviewers
tsoome
kevans
Group Reviewers
manpages
Commits
rG27eae8241527: lua loader: Add disable-device to disable a device.
rG25b4b24edf46: lua loader: Add disable-device to disable a device.
rG07c4b78d0a1d: lua loader: Add disable-device to disable a device.
Summary

disable-device fooX will set hint.foo.X.disabled=1 as a way to easily
disable a device attaching during boot.

Sponsored by: Netflix

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 40658
Build 37547: arc lint + arc unit

Event Timeline

imp created this revision.Jul 24 2021, 4:36 AM
Herald added a reviewer: manpages. · View Herald TranscriptJul 24 2021, 4:36 AM
Herald added a subscriber: dab. · View Herald Transcript
imp requested review of this revision.Jul 24 2021, 4:36 AM
Harbormaster completed remote builds in B40658: Diff 92702.Jul 24 2021, 4:37 AM
imp added reviewers: tsoome, kevans.Jul 24 2021, 3:06 PM
tsoome accepted this revision.Jul 24 2021, 3:11 PM
tsoome added inline comments.
stand/lua/cli.lua
248

is it worth it to list disabled devices here?

This revision is now accepted and ready to land.Jul 24 2021, 3:11 PM
imp added inline comments.Jul 28 2021, 10:43 PM
stand/lua/cli.lua
248

I don't think there's enough demand for that...and I'm not sure the proper interface for it anyway....

Closed by commit rG07c4b78d0a1d: lua loader: Add disable-device to disable a device. (authored by imp). · Explain WhyJul 28 2021, 10:54 PM
This revision was automatically updated to reflect the committed changes.
imp added a commit: rG07c4b78d0a1d: lua loader: Add disable-device to disable a device..
imp added a commit: rG25b4b24edf46: lua loader: Add disable-device to disable a device..Sep 12 2021, 4:36 PM
imp added a commit: rG27eae8241527: lua loader: Add disable-device to disable a device..Sep 12 2021, 6:32 PM

Revision Contents
Changeset List

PathSize
stand/
lua/
15 lines
10 lines

Diff 92702

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stand/lua/cli.lua

Show All 14 Lines
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\" .\"
.\" Sponsored in part by the Defense Advanced Research Projects .\" Sponsored in part by the Defense Advanced Research Projects
.\" Agency (DARPA) and Air Force Research Laboratory, Air Force .\" Agency (DARPA) and Air Force Research Laboratory, Air Force
.\" Materiel Command, USAF, under agreement number F39502-99-1-0512. .\" Materiel Command, USAF, under agreement number F39502-99-1-0512.
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd July 5, 2004 .Dd March 5, 2020
.Dt FTW 3 .Dt FTW 3
.Os .Os
.Sh NAME .Sh NAME
.Nm ftw , nftw .Nm ftw , nftw
.Nd traverse (walk) a file tree .Nd traverse (walk) a file tree
.Sh SYNOPSIS .Sh SYNOPSIS
.In ftw.h .In ftw.h
.Ft int .Ft int
▲ Show 20 Lines • Show All 120 Lines • ▼ Show 20 Lines
.Fa fn .Fa fn
returns a non-zero value, returns a non-zero value,
.Fn ftw .Fn ftw
and and
.Fn nftw .Fn nftw
will stop processing the tree and return the value from will stop processing the tree and return the value from
.Fa fn . .Fa fn .
Both functions return \-1 if an error is detected. Both functions return \-1 if an error is detected.
.Sh EXAMPLES
Following there is an example that shows how
.Nm nftw
can be used.
It traverses the file tree starting at the directory pointed
by the only program argument and shows the complete path and a brief
indicator about the file type.
.Bd -literal -offset 2n
#include <ftw.h>
#include <stdio.h>
#include <sysexits.h>
int
nftw_callback(const char *path, const struct stat *sb, int typeflag, struct FTW *ftw)
{
char type;
switch(typeflag) {
case FTW_F:
type = 'F';
break;
case FTW_D:
type = 'D';
break;
case FTW_DNR:
type = '-';
break;
case FTW_DP:
type = 'd';
break;
case FTW_NS:
type = 'X';
break;
case FTW_SL:
type = 'S';
break;
case FTW_SLN:
type = 's';
break;
default:
type = '?';
break;
}
printf("[%c] %s\\n", type, path);
return (0);
}
int
main(int argc, char **argv)
{
if (argc != 2) {
printf("Usage %s <directory>\\n", argv[0]);
return (EX_USAGE);
} else
return (nftw(argv[1], nftw_callback, /* UNUSED */ 1, 0));
}
.Ed
.Sh ERRORS .Sh ERRORS
The The
.Fn ftw .Fn ftw
and and
.Fn nftw .Fn nftw
functions may fail and set functions may fail and set
.Va errno .Va errno
for any of the errors specified for the library functions for any of the errors specified for the library functions
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stand/lua/cli.lua.8

Show All 14 Lines
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\" .\"
.\" Sponsored in part by the Defense Advanced Research Projects .\" Sponsored in part by the Defense Advanced Research Projects
.\" Agency (DARPA) and Air Force Research Laboratory, Air Force .\" Agency (DARPA) and Air Force Research Laboratory, Air Force
.\" Materiel Command, USAF, under agreement number F39502-99-1-0512. .\" Materiel Command, USAF, under agreement number F39502-99-1-0512.
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd July 5, 2004 .Dd March 5, 2020
.Dt FTW 3 .Dt FTW 3
.Os .Os
.Sh NAME .Sh NAME
.Nm ftw , nftw .Nm ftw , nftw
.Nd traverse (walk) a file tree .Nd traverse (walk) a file tree
.Sh SYNOPSIS .Sh SYNOPSIS
.In ftw.h .In ftw.h
.Ft int .Ft int
▲ Show 20 Lines • Show All 120 Lines • ▼ Show 20 Lines
.Fa fn .Fa fn
returns a non-zero value, returns a non-zero value,
.Fn ftw .Fn ftw
and and
.Fn nftw .Fn nftw
will stop processing the tree and return the value from will stop processing the tree and return the value from
.Fa fn . .Fa fn .
Both functions return \-1 if an error is detected. Both functions return \-1 if an error is detected.
.Sh EXAMPLES
Following there is an example that shows how
.Nm nftw
can be used.
It traverses the file tree starting at the directory pointed
by the only program argument and shows the complete path and a brief
indicator about the file type.
.Bd -literal -offset 2n
#include <ftw.h>
#include <stdio.h>
#include <sysexits.h>
int
nftw_callback(const char *path, const struct stat *sb, int typeflag, struct FTW *ftw)
{
char type;
switch(typeflag) {
case FTW_F:
type = 'F';
break;
case FTW_D:
type = 'D';
break;
case FTW_DNR:
type = '-';
break;
case FTW_DP:
type = 'd';
break;
case FTW_NS:
type = 'X';
break;
case FTW_SL:
type = 'S';
break;
case FTW_SLN:
type = 's';
break;
default:
type = '?';
break;
}
printf("[%c] %s\\n", type, path);
return (0);
}
int
main(int argc, char **argv)
{
if (argc != 2) {
printf("Usage %s <directory>\\n", argv[0]);
return (EX_USAGE);
} else
return (nftw(argv[1], nftw_callback, /* UNUSED */ 1, 0));
}
.Ed
.Sh ERRORS .Sh ERRORS
The The
.Fn ftw .Fn ftw
and and
.Fn nftw .Fn nftw
functions may fail and set functions may fail and set
.Va errno .Va errno
for any of the errors specified for the library functions for any of the errors specified for the library functions
▲ Show 20 Lines • Show All 51 Lines • Show Last 20 Lines