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Implement detach_kernel_driver command in usbconfig(8).

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Submitted by:	Kevin Zheng <kevinz5000@gmail.com>
PR:		239916
MFC after:	1 week
This commit is contained in:
hselasky 2019-08-16 21:17:56 +00:00
parent ffea06a831
commit fb50acc6c6
2 changed files with 23 additions and 2 deletions
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9
usr.sbin/usbconfig/usbconfig.8
View File

@ -23,7 +23,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.Dd April 29, 2018
.Dd August 16, 2019
.Dt USBCONFIG 8
.Os
.Sh NAME
@ -52,6 +52,9 @@ Should only be used in conjunction with the unit argument.
.It Fl d Ar [ugen]<unit>.<addr>
Limit device range to USB devices connected to the given unit and address.
The unit and address coordinates may be prefixed by the lowercased word "ugen".
.It Fl i Ar interface_index
Specify interface index as indicated by the command description.
If this argument is not specified a value of zero will be used for the interface index.
.It Fl h
Show help and available commands.
.El
@ -71,7 +74,7 @@ the interface drivers and reducing the power consumption to minimum,
but without going into power saving mode or detaching from the bus.
In some cases, it prevents the device from charging.
.It Cm set_alt Ar alt_index
Choose the alternate interface for the USB device.
Choose the alternate interface for the selected interface and USB device.
Alternative settings for the current configuration are available as the
.Ar bAlternateSetting
in
@ -119,6 +122,8 @@ Display the list of interface drivers (such as
or
.Xr u3g 4 )
currently attached to the device.
.It Cm detach_kernel_driver
Detach kernel driver for the selected interface and USB device.
.It Cm suspend
Force the device to suspend.
.It Cm resume

16
usr.sbin/usbconfig/usbconfig.c
View File

@ -89,6 +89,7 @@ struct options {
uint8_t got_add_quirk:1;
uint8_t got_dump_string:1;
uint8_t got_do_request:1;
uint8_t got_detach_kernel_driver:1;
};
struct token {
@ -111,6 +112,7 @@ enum {
T_ADD_QUIRK,
T_REMOVE_QUIRK,
T_SHOW_IFACE_DRIVER,
T_DETACH_KERNEL_DRIVER,
T_DUMP_QUIRK_NAMES,
T_DUMP_DEVICE_QUIRKS,
T_DUMP_ALL_DESC,
@ -144,6 +146,7 @@ static const struct token token[] = {
{"remove_dev_quirk_vplh", T_REMOVE_DEVICE_QUIRK, 5},
{"add_quirk", T_ADD_QUIRK, 1},
{"remove_quirk", T_REMOVE_QUIRK, 1},
{"detach_kernel_driver", T_DETACH_KERNEL_DRIVER, 0},
{"dump_quirk_names", T_DUMP_QUIRK_NAMES, 0},
{"dump_device_quirks", T_DUMP_DEVICE_QUIRKS, 0},
{"dump_all_desc", T_DUMP_ALL_DESC, 0},
@ -284,6 +287,7 @@ usage(void)
" remove_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
" add_quirk <quirk>" "\n"
" remove_quirk <quirk>" "\n"
" detach_kernel_driver" "\n"
" dump_quirk_names" "\n"
" dump_device_quirks" "\n"
" dump_all_desc" "\n"
@ -492,6 +496,11 @@ flush_command(struct libusb20_backend *pbe, struct options *opt)
err(1, "could not set power ON");
}
}
if (opt->got_detach_kernel_driver) {
if (libusb20_dev_detach_kernel_driver(pdev, opt->iface)) {
err(1, "could not detach kernel driver");
}
}
dump_any =
(opt->got_dump_all_desc ||
opt->got_dump_device_desc ||
@ -611,6 +620,13 @@ main(int argc, char **argv)
opt->got_any++;
break;
case T_DETACH_KERNEL_DRIVER:
if (opt->got_detach_kernel_driver)
duplicate_option(argv[n]);
opt->got_detach_kernel_driver = 1;
opt->got_any++;
break;
case T_DUMP_QUIRK_NAMES:
if (opt->got_dump_quirk_names)
duplicate_option(argv[n]);