diff options
| author | Jason J. Herne <jjherne@linux.ibm.com> | 2019-04-04 10:34:24 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2019-04-12 12:40:35 +0200 |
| commit | 120d04103e3f870d0fcd2a23c2ada0a4a4f036cc (patch) | |
| tree | 1283b5381bf4f745a2202e601e53cf9172f48e3e /pc-bios/s390-ccw/cio.h | |
| parent | d96c5db77f1058ee9509554f43b945c66b3aa7c9 (diff) | |
s390-bios: Decouple channel i/o logic from virtio
Create a separate library for channel i/o related code. This decouples
channel i/o operations from virtio and allows us to make use of them for
the real dasd boot path.
Signed-off-by: Jason J. Herne <jjherne@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1554388475-18329-6-git-send-email-jjherne@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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h index ed5b2cbf72..218fd96ea3 100644 --- a/pc-bios/s390-ccw/cio.h +++ b/pc-bios/s390-ccw/cio.h @@ -213,6 +213,9 @@ typedef struct irb { __u32 emw[8]; } __attribute__ ((packed, aligned(4))) Irb; +int enable_mss_facility(void); +void enable_subchannel(SubChannelId schid); + /* * Some S390 specific IO instructions as inline */ |