Commit Graph

159 Commits

Author SHA1 Message Date
Eric Blake
cc1626556d qapi: Document optional arguments' backwards compatibility
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-05-09 09:11:32 -04:00
Markus Armbruster
e940f543ae qmp hmp: Consistently name Error * objects err, and not errp
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-05-08 14:20:00 -04:00
Lluís Vilanova
a719a27c82 qapi: Add a primitive to include other files from a QAPI schema file
The primitive uses JSON syntax, and include paths are relative to the file using the directive:

  { 'include': 'path/to/file.json' }

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-05-08 14:19:58 -04:00
Lluís Vilanova
33aaad529e qapi: Use an explicit input file
Use an explicit input file on the command-line instead of reading from standard
input.

It also outputs the proper file name when there's an error.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-05-08 14:19:58 -04:00
Fam Zheng
edc1ba7a7a docs/memory.txt: Fix document on MMIO operations
.impl.valid should be .impl.unaligned and the description needs some
fixes.

.old_portio is removed since commit b40acf99b (ioport: Switch
dispatching to memory core layer).

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-05-07 21:00:44 +04:00
Peter Maydell
767adce2d9 savevm: Ignore minimum_version_id_old if there is no load_state_old
At the moment we require vmstate definitions to set minimum_version_id_old
to the same value as minimum_version_id if they do not provide a
load_state_old handler. Since the load_state_old functionality is
required only for a handful of devices that need to retain migration
compatibility with a pre-vmstate implementation, this means the bulk
of devices have pointless boilerplate. Relax the definition so that
minimum_version_id_old is ignored if there is no load_state_old handler.

Note that under the old scheme we would segfault if the vmstate
specified a minimum_version_id_old that was less than minimum_version_id
but did not provide a load_state_old function, and the incoming state
specified a version number between minimum_version_id_old and
minimum_version_id. Under the new scheme this will just result in
our failing the migration.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-05-05 22:15:03 +02:00
Peter Maydell
87f6ede9bb vga: add secondary stdvga variant
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-2' into staging

vga: add secondary stdvga variant

# gpg: Signature made Mon 28 Apr 2014 10:11:44 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-vga-2:
  add secondary-vga to display-vga test
  add display-vga test
  vga: add secondary stdvga variant
  vga: allow non-global vmstate

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-05-01 16:02:45 +01:00
Gerd Hoffmann
63e3e24db2 vga: add secondary stdvga variant
Add a standard vga variant which doesn't occupy any legacy
resources and thus can easily be used as secondary (or legacy-free)
graphics adapter.  Programming must be done using the MMIO bar.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-04-28 11:03:32 +02:00
Markus Armbruster
0fb6395c0c Use error_is_set() only when necessary (again)
error_is_set(&var) is the same as var != NULL, but it takes
whole-program analysis to figure that out.  Unnecessarily hard for
optimizers, static checkers, and human readers.  Commit 84d18f0 dumbed
it down to obvious, but a few more have crept in since, and
documentation was overlooked.  Dumb these down, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-04-25 18:05:06 +02:00
Peter Maydell
01ac27ce7f Docs: Introduce multiport serial support in qemupciserial.inf.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-misc-1' into staging

Docs: Introduce multiport serial support in qemupciserial.inf.

# gpg: Signature made Wed 12 Mar 2014 09:35:55 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-misc-1:
  Docs: Introduce multiport serial support in qemupciserial.inf.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-12 15:03:42 +00:00
Miki Mishael
dc9528fdf9 Docs: Introduce multiport serial support in qemupciserial.inf.
Support for pci-serial-2x and pci-serial-4x
      was added to the inf file.
      Standard Windows driver mf.sys used to
      split single function device into per-port nodes.

Signed-off-by: Miki Mishael <mmishael@redhat.com>
Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-12 10:33:23 +01:00
Wenchao Xia
5223070c47 qapi script: do not allow string discriminator
Since enum based discriminators provide better type-safety and
ensure that future qapi additions do not forget to adjust dependent
unions, forbid using string as discriminator from now on.

Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-11 09:07:42 -04:00
Wenchao Xia
bceae7697f qapi script: support enum type as discriminator in union
By default, any union will automatically generate a enum type as
"[UnionName]Kind" in C code, and it is duplicated when the discriminator
is specified as a pre-defined enum type in schema. After this patch,
the pre-defined enum type will be really used as the switch case
condition in generated C code, if discriminator is an enum field.

Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-11 09:07:42 -04:00
Benoît Canet
0c762736df qmp: Make Quorum error events more palatable.
Insert quorum QMP events documentation alphabetically.

Also change the "ret" errno value by an optional "error" being an strerror(-ret)
in the QUORUM_REPORT_BAD qmp event.

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-02-28 18:59:06 +01:00
Michael R. Hines
41310c6878 rdma: rename 'x-rdma' => 'rdma'
As far as we can tell, all known bugs have been fixed:

1. Parallel migrations are working
2. IPv6 migration is working
3. virt-test is working

I'm not comfortable sending the revised libvirt patch
until this is accepted or review suggestions are addressed,
(including pin-all support. It does not make sense to
remove experimental for one thing and not the other. That's
too many trips through the libvirt community).

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-02-25 14:30:28 +01:00
Benoît Canet
95c6bff356 quorum: Add quorum mechanism.
This patchset enables the core of the quorum mechanism.
The num_children reads are compared to get the majority version and if this
version exists more than threshold times the guest won't see the error at all.

If a block is corrupted or if an error occurs during an IO or if the quorum
cannot be established QMP events are used to report to the management.

Use gnutls's SHA-256 to compare versions.

--enable-quorum must be used to enable the feature.

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-02-21 22:29:50 +01:00
Mohamad Gebai
ef3ef4a040 Update documentation for LTTng ust tracing
Signed-off-by: Mohamad Gebai <mohamad.gebai@polymtl.ca>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-02-19 11:08:54 +01:00
Peter Maydell
0159a64397 acpi,pci,pc,virtio fixes and enhancements
This includes new unit-tests for acpi by Marcel,
 hotplug for pci bridges by myself (piix only so far)
 and cpu hotplug for q35.
 And a bunch of fixes all over the place as usual.
 
 I included the patch to fix memory alignment for q35
 as well - even though it limits 32 bit guests to 3G (they
 previously could address more memory with PAE).
 To remove the limit, this will have to be fixed in seabios.
 
 I also added self as virtio co-maintainer so I don't need
 to troll the list for patches to review.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging

acpi,pci,pc,virtio fixes and enhancements

This includes new unit-tests for acpi by Marcel,
hotplug for pci bridges by myself (piix only so far)
and cpu hotplug for q35.
And a bunch of fixes all over the place as usual.

I included the patch to fix memory alignment for q35
as well - even though it limits 32 bit guests to 3G (they
previously could address more memory with PAE).
To remove the limit, this will have to be fixed in seabios.

I also added self as virtio co-maintainer so I don't need
to troll the list for patches to review.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 26 Jan 2014 11:12:09 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* mst/tags/for_anthony: (35 commits)
  MAINTAINERS: add self as virtio co-maintainer
  q35: document gigabyte_align
  q35: gigabyte alignment for ram
  acpi: Fix PCI hole handling on build_srat()
  pc: Save size of RAM below 4GB
  hw/pci: fix error flow in pci multifunction init
  acpi-test: update expected AML since recent changes
  pc: ACPI: update acpi-dsdt.hex.generated q35-acpi-dsdt.hex.generated
  pc: ACPI: unify source of CPU hotplug IO base/len
  pc: ACPI: expose PRST IO range via _CRS
  pc: Q35 DSDT: exclude CPU hotplug IO range from PCI bus resources
  pc: PIIX DSDT: exclude CPU/PCI hotplug & GPE0 IO range from PCI bus resources
  pc: set PRST base in DSDT depending on chipset
  acpi: ich9: add CPU hotplug handling to Q35 machine
  acpi: factor out common cpu hotplug code for PIIX4/Q35
  acpi-build: enable hotplug for PCI bridges
  piix4: add acpi pci hotplug support
  pcihp: generalization of piix4 acpi
  pci: add pci_for_each_bus_depth_first
  pc: make: fix dependencies: rebuild when included file is changed
  ...

Message-id: 1390735289-15563-1-git-send-email-mst@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 00:23:27 +00:00
Igor Mammedov
d6610bc2ad acpi: ich9: add CPU hotplug handling to Q35 machine
.. use IO port 0cd8-0xcf7 range for CPU present bitmap

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Namhyung Kim
7af6f46c61 docs: Fix typo in QMP WAKEUP example
Cc: qemu-trivial@nongnu.org
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-01-15 23:34:17 +04:00
Peter Maydell
6f1ce94a29 docs/memory.txt: Clarify and expand priority/overlap documentation
The documentation of how overlapping memory regions behave and how
the priority system works was rather brief, and confusion about
priorities seems to be quite common for developers trying to understand
how the memory region system works, so expand and clarify it.
This includes a worked example with overlaps, documentation of the
behaviour when an overlapped container has "holes", and mention
that it's valid for a region to have both MMIO callbacks and
subregions (and how this interacts with priorities when it does).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1381848154-31602-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-05 19:59:24 -08:00
Anthony Liguori
ef5cfe5bbd Merge remote-tracking branch 'mjt/trivial-patches' into staging
* mjt/trivial-patches:
  audio/mixeng_template.h: fix inline declaration
  misc: Spelling and grammar fixes in comments
  docs/ccid.txt: fix the typo
  qapi: fix documentation example
  .gitignore: ignore qmp-commands.txt
  misc: New spelling fixes in comments
  configure: create fsdev/ directory

Message-id: 1382779887-15971-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-10-31 17:01:43 +01:00
Anthony Liguori
b0eb759fb2 pci, pc, acpi fixes, enhancements
This includes some pretty big changes:
 - pci master abort support by Marcel
 - pci IRQ API rework by Marcel
 - acpi generation support by myself
 
 Everything has gone through several revisions, latest versions have been on
 list for a while without any more comments, tested by several
 people.
 
 Please pull for 1.7.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging

pci, pc, acpi fixes, enhancements

This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself

Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.

Please pull for 1.7.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Tue 15 Oct 2013 07:33:48 AM CEST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found

* mst/tags/for_anthony: (39 commits)
  ssdt-proc: update generated file
  ssdt: fix PBLK length
  i386: ACPI table generation code from seabios
  pc: use new api to add builtin tables
  acpi: add interface to access user-installed tables
  hpet: add API to find it
  pvpanic: add API to access io port
  ich9: APIs for pc guest info
  piix: APIs for pc guest info
  acpi/piix: add macros for acpi property names
  i386: define pc guest info
  loader: allow adding ROMs in done callbacks
  i386: add bios linker/loader
  loader: use file path size from fw_cfg.h
  acpi: ssdt pcihp: updat generated file
  acpi: pre-compiled ASL files
  acpi: add rules to compile ASL source
  i386: add ACPI table files from seabios
  q35: expose mmcfg size as a property
  q35: use macro for MCFG property name
  ...

Message-id: 1381818560-18367-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-10-31 16:58:32 +01:00
WengFan
5f32804c79 docs/ccid.txt: fix the typo
Signed-off-by: WengFan <wengfan-fnst@cn.fujitsu.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-10-26 13:04:12 +04:00
Eric Blake
63922c6477 qapi: fix documentation example
The QMP wire format uses "", not '', around strings.

* docs/qapi-code-gen.txt: Fix typo.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-10-26 13:01:58 +04:00
Marcel Apfelbaum
8002ccd6e4 docs/memory: Explictly state that MemoryRegion priority is signed
When memory regions overlap, priority can be used to specify
which of them takes priority. By making the priority values signed
rather than unsigned, we make it more convenient to implement
a situation where one "background" region should appear only
where no other region exists: rather than having to explicitly
specify a high priority for all the other regions, we can let them take
the default (zero) priority and specify a negative priority for the
background region.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14 17:11:44 +03:00
Stefan Hajnoczi
8593898109 Use qemu-project.org domain name
qemu.org is held by a third-party and no core community contributor has
access to the DNS configuration.  This leaves the website exposed to
outages due to DNS issues or IP address changes.  For example, if the
web server IP address needs to change we cannot guarantee qemu.org will
point to it!

The newer qemu-project.org domain name is owned by Anthony Liguori
<anthony@codemonkey.ws>.  You can confirm this by querying the whois
information.  Also note that the #qemu IRC channel topic already
references qemu-project.org.

Short of having a dedicated legal entity to hold the domain name on
behalf of the community, qemu-project.org seems like the safest bet.

Let's replace references to qemu.org with qemu-project.org.

Note that git-submodule(1) does not detect URL changes.  The following
commands clear out and re-initialize all submodules to ensure you are
using the latest URLs:

  $ git submodule deinit . # you'll be warned if you have local changes
  $ rm -rf .git/modules    # also clear cached .git/ directories
  $ git submodule update --init

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1381495958-8306-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-10-11 09:34:56 -07:00
Kevin Wolf
622f557f5a qapi-types/visit.py: Inheritance for structs
This introduces a new 'base' key for struct definitions that refers to
another struct type. On the JSON level, the fields of the base type are
included directly into the same namespace as the fields of the defined
type, like with unions. On the C level, a pointer to a struct of the
base type is included.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-10-11 16:50:01 +02:00
Max Reitz
f252080453 qcow2: Alignment of snapshot table entries
The qcow2 specification does not explicitly state so far that every
snapshot table entry is aligned to 8 bytes. QEMU, in contrast, does this
alignment, thus it should be properly documented (which this patch
does).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11 16:49:58 +02:00
Anthony Liguori
2e6ae666c8 Merge remote-tracking branch 'mjt/trivial-patches' into staging
# By Stefan Weil (8) and others
# Via Michael Tokarev
* mjt/trivial-patches:
  tests/.gitignore: ignore test-throttle
  exec: Fix broken build for MinGW (regression)
  kvm: Fix compiler warning (clang)
  tcg-sparc: Fix parenthesis warning
  Makefile: Remove some more files when cleaning
  target-i386: Fix segment cache dump
  iov: avoid "orig_len may be used unitialized" warning
  vscclient: remove unnecessary use of uninitialized variable
  trace-events: Clean up with scripts/cleanup-trace-events.pl again
  tci: Fix qemu-alpha on 32 bit hosts (wrong assertions)
  *-user: Improve documentation for lock_user function
  MAINTAINERS: Add missing entry to filelist for TCI target
  translate-all: Fix formatting of dump output
  *-user: Fix typo in comment (ulocking -> unlocking)
  docs: Fix IO port number for CPU present bitmap.
  q35: Fix typo in constant DEFUALT -> DEFAULT.
  configure: Undefine _FORTIFY_SOURCE prior using it

Message-id: 1379696296-32105-1-git-send-email-mjt@msgid.tls.msk.ru
2013-09-23 11:52:55 -05:00
Anthony PERARD
314b5d4bb6 docs: Fix IO port number for CPU present bitmap.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewd-By: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20 20:09:24 +04:00
Luiz Capitulino
7b5ce8db60 QMP: qmp-events.txt: alphabetical order fix and other minor changes
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-09-18 08:57:02 -04:00
Luiz Capitulino
715c18600c QMP: Update qmp-spec.txt
Simplify the text, fix some of the examples.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-09-18 08:57:02 -04:00
Luiz Capitulino
52bbff77c4 QMP: Update README file
Drop unneeded info, fix some of the examples and rename QEMU Monitor
Protocol to QEMU Machine Protocol.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-09-18 08:57:02 -04:00
Luiz Capitulino
7537fe0487 QMP: QMP/ -> docs/qmp/
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-09-18 08:57:02 -04:00
Max Reitz
69c9872653 qcow2: Add corrupt bit
This adds an incompatible bit indicating corruption to qcow2. Any image
with this bit set may not be written to unless for repairing (and
subsequently clearing the bit if the repair has been successful).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-08-30 15:48:43 +02:00
Alex Williamson
4b38e989b4 q35: Add PCIe switch to example q35 configuration
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-08-21 12:39:15 +03:00
Stefan Weil
52f350227f misc: Fix new typos in comments and strings
All these typos were found by codespell.

sould -> should
emperical -> empirical
intialization -> initialization
successfuly -> successfully
gaurantee -> guarantee

Fix also another error (before before) in the same context.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-07-27 11:22:54 +04:00
Kevin Wolf
69dd62dfd6 qapi: Anonymous unions
The discriminator for anonymous unions is the data type. This allows to
have a union type that allows both of these:

    { 'file': 'my_existing_block_device_id' }
    { 'file': { 'filename': '/tmp/mydisk.qcow2', 'read-only': true } }

Unions like this are specified in the schema with an empty dict as
discriminator. For this example you could take:

    { 'union': 'BlockRef',
      'discriminator': {},
      'data': { 'definition': 'BlockOptions',
                'reference': 'str' } }
    { 'type': 'ExampleObject',
      'data: { 'file': 'BlockRef' } }

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26 21:10:11 +02:00
Kevin Wolf
50f2bdc75c qapi: Flat unions with arbitrary discriminator
Instead of the rather verbose syntax that distinguishes base and
subclass fields...

  { "type": "file",
    "read-only": true,
    "data": {
        "filename": "test"
    } }

...we can now have both in the same namespace, allowing a more direct
mapping of the command line, and moving fields between the common base
and subclasses without breaking the API:

  { "driver": "file",
    "read-only": true,
    "filename": "test" }

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26 21:09:37 +02:00
Kevin Wolf
51631493e4 docs: Document QAPI union types
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26 20:17:15 +02:00
Michael R. Hines
a5f56b906e rdma: update documentation to reflect new unpin support
As requested, the protocol now includes memory unpinning support.
This has been implemented in a non-optimized manner, in such a way
that one could devise an LRU or other workload-specific information
on top of the basic mechanism to influence the way unpinning happens
during runtime.

The feature is not yet user-facing, and is thus can only be enabled
at compile-time.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2013-07-23 11:11:59 +02:00
Paolo Bonzini
5444e768ee add a header file for atomic operations
We're already using them in several places, but __sync builtins are just
too ugly to type, and do not provide seqcst load/store operations.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-07-04 17:42:49 +02:00
Michael R. Hines
f4abc9d621 rdma: add documentation
docs/rdma.txt contains full documentation,
wiki links, github url and contact information.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Chegu Vinod <chegu_vinod@hp.com>
Tested-by: Chegu Vinod <chegu_vinod@hp.com>
Tested-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2013-06-27 02:38:35 +02:00
Paolo Bonzini
b9a7b74f77 build: do not use TARGET_ARCH
TARGET_ARCH is generally wrong to use, there are better variables
provided in config-target.mak.  The right one is usually TARGET_NAME
(previously TARGET_ARCH2), but for bsd-user we can also use TARGET_ABI_DIR
for consistency with linux-user.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1370349928-20419-4-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-06-14 15:33:10 +01:00
Lei Li
7465dfeca0 docs: Fix typo and update file in migration
This patch fix some typo and update the file that already
moved.

Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-06-01 14:25:38 +04:00
Paolo Bonzini
2d40178a33 docs: mention AddressSpaces in docs/memory.txt
Reported-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-05-12 13:25:55 +04:00
Eiichi Tsukata
e64dd5efb2 trace: document ftrace backend
Add documentation of ftrace backend.

Signed-off-by: Eiichi Tsukata <eiichi.tsukata.xh@hitachi.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-05-03 13:58:09 +02:00
Igor Mammedov
b8622725cf acpi_piix4: Add infrastructure to send CPU hot-plug GPE to guest
* introduce processor status bitmask visible to guest at 0xaf00 addr,
  where ACPI asl code expects it
* set bit corresponding to APIC ID in processor status bitmask on
  receiving CPU hot-plug notification
* trigger CPU hot-plug SCI, to notify guest about CPU hot-plug event

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01 13:04:18 +02:00
Hu Tao
b42ffe60d8 pvpanic: add document of pvpanic
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: a5db4ce406647e8f4663b639eae62d880531df8b.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-30 10:30:01 -05:00