Name

struct ccw0 — channel command word

Synopsis

struct ccw0 {
  __u8 cmd_code;
  __u32 cda:24;
  __u8 flags;
  __u8 reserved;
  __u16 count;
};  

Members

__u8 cmd_code

command code

__u32:24 cda

data address

__u8 flags

flags, like IDA addressing, etc.

__u8 reserved

will be ignored

__u16 count

byte count

Description

The format-0 ccw structure.