Scroll to navigation

STRUCT CCW_DEV_ID(9) The ccw bus STRUCT CCW_DEV_ID(9)

NAME

struct_ccw_dev_id - unique identifier for ccw devices

SYNOPSIS

struct ccw_dev_id {

u8 ssid;
u16 devno; };

MEMBERS

u8 ssid

subchannel set id

u16 devno

device number

DESCRIPTION

This structure is not directly based on any hardware structure. The hardware identifies a device by its device number and its subchannel, which is in turn identified by its id. In order to get a unique identifier for ccw devices across subchannel sets, struct ccw_dev_id has been introduced.

AUTHOR

Cornelia Huck <cornelia.huck@de.ibm.com>

Author.

COPYRIGHT

June 2017 Kernel Hackers Manual 4.11