1. NAME▲

struct_ccw1 - channel command word

2. SYNOPSIS ▲



 
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struct ccw1 {
  __u8 cmd_code;
  __u8 flags;
  __u16 count;
  __u32 cda;
};

3. MEMBERS ▲

cmd_code
    command code

flags
    flags, like IDA addressing, etc.

count
    byte count

cda
    data address

4. DESCRIPTION ▲

The ccw is the basic structure to build channel programs that perform operations with the device or the control unit. Only Format-1 channel command words are supported.

5. AUTHOR ▲

Cornelia Huck <>
    Author.

6. COPYRIGHT ▲