MFC r328194:

Add sysctls to control device side USB identifiers. This makes it
possible to change string and numeric vendor and product identifiers,
as well as anything else there might be to change for a particular
device side template, eg the MAC address.

Relnotes:	yes

1 files changed, 29 insertions, 6 deletions

diff --git a/share/man/man4/usb_template.4 b/share/man/man4/usb_template.4
index 786f323..c9a6815 100644
--- a/share/man/man4/usb_template.4
+++ b/share/man/man4/usb_template.4
@@ -61,11 +61,12 @@ descriptors.
 .
 USB templates are selected using the
 .Va hw.usb.template
-sysctl and tunable.
-.
-The
-.Va hw.usb.template
-value can be changed at any time, but will not
+sysctl and tunable,
+or by using the
+.Xr usbconfig 8
+.Cm set_template
+subcommand.
+The sysctl values can be changed at any time, but will not
 have any effect until the USB device has been re-enumerated.
 .
 Available templates are:
@@ -83,10 +84,32 @@ Available templates are:
 .It Dv 9 Ta USB MIDI
 .El
 .
+.Sh SYSCTL VARIABLES
+The following variables are available as both
+.Xr sysctl 8
+variables and
+.Xr loader 8
+tunables:
+.Bl -tag -width indent
+.It Va hw.usb.template
+Currently selected template.
+.It Va hw.usb.templates.N
+Configuration for template number
+.Va N .
+.It Va hw.usb.templates.N.vendor_id
+16-bit vendor identifier (VID), usually assigned by USB-IF.
+.It Va hw.usb.templates.N.product_id
+16-bit product identifier (PID).
+.It Va hw.usb.templates.N.manufacturer
+String containing human-readable manufacturer name.
+.It Va hw.usb.templates.N.product
+String containing human-readable product name.
+.El
 .Sh SEE ALSO
 .Xr cfumass 4 ,
 .Xr usb 4 ,
-.Xr usfs 4
+.Xr usfs 4 ,
+.Xr usbconfig 8
 .Sh STANDARDS
 The
 .Nm