Michael Mueller 201ae986ea KVM: s390: protvirt: Implement interrupt injection
This defines the necessary data structures in the SIE control block to
inject machine checks,external and I/O interrupts. We first define the
the interrupt injection control, which defines the next interrupt to
inject. Then we define the fields that contain the payload for machine
checks,external and I/O interrupts.
This is then used to implement interruption injection for the following
list of interruption types:

   - I/O (uses inject io interruption)
     __deliver_io

   - External (uses inject external interruption)
     __deliver_cpu_timer
     __deliver_ckc
     __deliver_emergency_signal
     __deliver_external_call

   - cpu restart (uses inject restart interruption)
     __deliver_restart

   - machine checks (uses mcic, failing address and external damage)
     __write_machine_check

Please note that posted interrupts (GISA) are not used for protected
guests as of today.

The service interrupt is handled in a followup patch.

Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[borntraeger@de.ibm.com: patch merging, splitting, fixing]
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2020-02-27 19:47:11 +01:00
2020-02-13 16:30:22 +01:00
2020-01-18 09:19:18 -05:00
2020-02-16 13:16:59 -08:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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