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# Date Author Comment
91b0a8f3 02/13/2013 07:56 pm Cornelia Huck

s390: Fix handling of iscs.

There are two ways to express an interruption subclass:
- As a bitmask, as used in cr6.
- As a number, as used in the I/O interruption word.

Unfortunately, we have treated to I/O interruption word as if it
contained the bitmask as well, which went unnoticed so far as...
50c8d9bf 01/29/2013 10:50 pm Cornelia Huck

s390: Use s390_cpu_physical_memory_map for tpi.

Map the I/O interruption code before calling into css.

Signed-off-by: Cornelia Huck <>
Signed-off-by: Alexander Graf <>
db1c8f53 01/29/2013 10:50 pm Cornelia Huck

s390: Channel I/O basic definitions.

Basic channel I/O structures and helper function.

Signed-off-by: Cornelia Huck <>
Signed-off-by: Alexander Graf <>
7b18aad5 01/29/2013 10:50 pm Cornelia Huck

s390: Add channel I/O instructions.

Provide handlers for (most) channel I/O instructions.

Signed-off-by: Cornelia Huck <>
Signed-off-by: Alexander Graf <>