1. NAME▲

struct_ccw_dev_id - unique identifier for ccw devices

2. SYNOPSIS ▲



 
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struct ccw_dev_id {
  u8 ssid;
  u16 devno;
};

3. MEMBERS ▲

ssid
    subchannel set id

devno
    device number

4. 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.

5. AUTHOR ▲

Cornelia Huck < >
    Author.

6. COPYRIGHT ▲