diff options
Diffstat (limited to 'Documentation/DocBook')
| -rw-r--r-- | Documentation/DocBook/s390-drivers.tmpl | 21 |
1 files 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 @@ <title>Introduction</title> <para> 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. </para> <sect1 id="channelIO"> @@ -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 </sect1> <sect1 id="cmf"> <title>The channel-measurement facility</title> @@ -147,4 +147,15 @@ </sect1> </chapter> + <chapter id="genericinterfaces"> + <title>Generic interfaces</title> + <para> + 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. + </para> +!Edrivers/s390/cio/airq.c + </chapter> + </book> |