diff options
| author | Janosch Frank <frankja@linux.ibm.com> | 2020-06-24 03:52:18 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2020-07-02 09:59:51 +0200 |
| commit | e6d393d097ac09c9146772a829fff1bfaf61eb9d (patch) | |
| tree | 1b952764d6eeb7313a6cfb8a3a7db249cfc45681 /pc-bios/s390-ccw/cio.h | |
| parent | 12ea90dbd8fc38ca937acb53c730818077bf86fe (diff) | |
pc-bios: s390x: Get rid of magic offsets into the lowcore
If we have a lowcore struct that has members for offsets that we want
to touch, why not use it?
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200624075226.92728-5-frankja@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'pc-bios/s390-ccw/cio.h')
| -rw-r--r-- | pc-bios/s390-ccw/cio.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h index aaa432dedd..1e5d4e92e1 100644 --- a/pc-bios/s390-ccw/cio.h +++ b/pc-bios/s390-ccw/cio.h @@ -122,12 +122,17 @@ typedef struct schib { } __attribute__ ((packed, aligned(4))) Schib; typedef struct subchannel_id { - __u32 cssid:8; - __u32:4; - __u32 m:1; - __u32 ssid:2; - __u32 one:1; - __u32 sch_no:16; + union { + struct { + __u16 cssid:8; + __u16 reserved:4; + __u16 m:1; + __u16 ssid:2; + __u16 one:1; + }; + __u16 sch_id; + }; + __u16 sch_no; } __attribute__ ((packed, aligned(4))) SubChannelId; struct chsc_header { |