From 2fffc9355e6240466d1af764b0dcdede52085f7c Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Tue, 5 Feb 2008 16:50:35 +0100 Subject: [PATCH] [S390] cio: Update documentation. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- Documentation/DocBook/s390-drivers.tmpl | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/Documentation/DocBook/s390-drivers.tmpl b/Documentation/DocBook/s390-drivers.tmpl index 3d2f31b99dd..4acc73240a6 100644 --- a/Documentation/DocBook/s390-drivers.tmpl +++ b/Documentation/DocBook/s390-drivers.tmpl @@ -59,7 +59,7 @@ Introduction This document describes the interfaces available for device drivers that - drive s390 based channel attached devices. This includes interfaces for + drive s390 based channel attached I/O devices. This includes interfaces for interaction with the hardware and interfaces for interacting with the common driver core. Those interfaces are provided by the s390 common I/O layer. @@ -86,9 +86,10 @@ The ccw bus typically contains the majority of devices available to a s390 system. Named after the channel command word (ccw), the basic command structure used to address its devices, the ccw bus contains - so-called channel attached devices. They are addressed via subchannels, - visible on the css bus. A device driver, however, will never interact - with the subchannel directly, but only via the device on the ccw bus, + so-called channel attached devices. They are addressed via I/O + subchannels, visible on the css bus. A device driver for + channel-attached devices, however, will never interact with the + subchannel directly, but only via the I/O device on the ccw bus, the ccw device. @@ -116,7 +117,6 @@ !Iinclude/asm-s390/ccwdev.h !Edrivers/s390/cio/device.c !Edrivers/s390/cio/device_ops.c -!Edrivers/s390/cio/airq.c The channel-measurement facility @@ -147,4 +147,15 @@ + + Generic interfaces + + Some interfaces are available to other drivers that do not necessarily + have anything to do with the busses described above, but still are + indirectly using basic infrastructure in the common I/O layer. + One example is the support for adapter interrupts. + +!Edrivers/s390/cio/airq.c + + -- 2.41.0