On 2021/03/13 16:38, [email protected] wrote:
> >Synopsis: Undocumented change of struct usb_device_info
> >Category: documentation kernel
> >Environment:
> System : OpenBSD 6.8
> Details : OpenBSD 6.8 (GENERIC.MP) #98: Sun Oct 4 18:13:26 MDT 2020
>
> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> Architecture: OpenBSD.amd64
> Machine : amd64
> >Description:
> struct usb_device_info has been changed in sys/dev/usb/usb.h from
> version
> 1.59 to 1.60 on 2018-07-10 most probably resizing it and relocating its
> last member udi_serial in memory.
That is not unusual, OpenBSD doesn't have particularly stable ABIs.
> This change is not documented in usb(4).
That needs fixing.
Index: usb.4
===================================================================
RCS file: /cvs/src/share/man/man4/usb.4,v
retrieving revision 1.205
diff -u -p -r1.205 usb.4
--- usb.4 4 Feb 2021 16:25:38 -0000 1.205
+++ usb.4 13 Mar 2021 16:19:14 -0000
@@ -431,9 +431,11 @@ struct usb_device_info {
u_int8_t udi_protocol;
u_int8_t udi_config;
u_int8_t udi_speed;
-#define USB_SPEED_LOW 1
-#define USB_SPEED_FULL 2
-#define USB_SPEED_HIGH 3
+#define USB_SPEED_LOW 1
+#define USB_SPEED_FULL 2
+#define USB_SPEED_HIGH 3
+#define USB_SPEED_SUPER 4
+ u_int8_t udi_port;
int udi_power; /* power consumption */
int udi_nports;
char udi_devnames[USB_MAX_DEVNAMES]
