Commit Graph

344 Commits

Author SHA1 Message Date
Lluís Vilanova
b160d7f84a trace: [tracetool] Show list of frontends and backends sorted by name
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-07 19:07:18 +02:00
Lluís Vilanova
53158adc23 trace: [tracetool] Cosmetic changes
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-07 19:07:17 +02:00
Lluís Vilanova
9c24a52e29 trace: [tracetool] Spacing changes
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-07 19:07:17 +02:00
Lluís Vilanova
ad7443e40a trace: [tracetool] Add methods 'Event.copy' and 'Arguments.copy'
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-07 19:07:17 +02:00
Lluís Vilanova
7d08f0da90 trace: [tracetool] Add method 'Event.api' to build event names
Makes it easier to ensure proper naming across the different frontends and backends.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-07 19:07:17 +02:00
Paolo Bonzini
e40cdb0e6e scripts: add sample model file for Coverity Scan
This is the model file that is being used for the QEMU project's scans
on scan.coverity.com.  It fixed about 30 false positives (10% of the
total) and exposed about 60 new memory leaks.

The file is not automatically used; changes to it must be propagated
to the website manually by an admin (right now Markus, Peter and me
are admins).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-04-18 10:33:36 +04:00
Andreas Färber
8648fcd52a make-release: Record SeaBIOS version
Before deleting .git, determine the version and save it in .version file.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1395277315-7806-1-git-send-email-afaerber@suse.de
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-31 15:02:04 +01:00
Peter Maydell
1ed27a17cd scripts/qemu-binfmt-conf.sh: Add AArch64 registration
Add the binfmt-misc magic needed to register QEMU for handling AArch64
ELF binaries.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-id: 1394822294-14837-26-git-send-email-peter.maydell@linaro.org
2014-03-17 16:31:53 +00:00
Cole Robinson
379e21c258 scripts/make-release: Don't distribute .git directories
[crobinso@localhost qemu-2.0.0-rc0]$ find . -name .git
./dtc/.git
./pixman/.git

This is already done for the rom submodules.

https://bugs.launchpad.net/qemu/+bug/1224414
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-03-15 13:54:18 +04:00
Wenchao Xia
5d371f41b4 qapi script: do not add "_" for every capitalized char in enum
Now "enum AIOContext" will generate AIO_CONTEXT instead of A_I_O_CONTEXT,
"X86CPU" will generate X86_CPU instead of X86_C_P_U.

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
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
Wenchao Xia
b0b58195e4 qapi script: use same function to generate enum string
Prior to this patch, qapi-visit.py used custom code to generate enum
names used for handling a qapi union. Fix it to instead reuse common
code, with identical generated results, and allowing future updates to
generation to only need to touch one place.

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
6299659f54 qapi script: code move for generate_enum_name()
Later both qapi-types.py and qapi-visit.py need a common function
for enum name generation.

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
b86b05ed60 qapi script: check correctness of union
Since line info is remembered as QAPISchema.line now, this patch
uses it as additional info for every expr in QAPISchema inside qapi.py,
then improves error message with it in checking of exprs.

For common union the patch will check whether base is a valid complex
type if specified. For flat union it will check whether base presents,
whether discriminator is found in base, whether the key of every branch
is correct when discriminator is an enum type.

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 09:07:41 -04:00
Wenchao Xia
515b943a91 qapi script: remember line number in schema parsing
Before this patch, 'QAPISchemaError' scans whole input until 'pos'
to get error line number. After this patch, the scan is avoided since
line number is remembered in schema parsing. This patch also benefits
other error report functions, which would be introduced later.

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 09:07:41 -04:00
Wenchao Xia
4b35991a3b qapi script: add check for duplicated key
It is bad that same key was specified twice, especially when a union has
two branches with same condition. This patch can prevent it.

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 09:07:41 -04:00
Wenchao Xia
dad1fcab91 qapi script: remember explicitly defined enum values
Later other scripts will need to check the enum values.

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 09:07:41 -04:00
Markus Armbruster
949ceeb31b qapi: Clean up null checking in generated visitors
Visitors get passed a pointer to the visited object.  The generated
visitors try to cope with this pointer being null in some places, for
instance like this:

    visit_start_optional(m, obj ? &(*obj)->has_name : NULL, "name", &err);

visit_start_optional() passes its second argument to Visitor method
start_optional.  Three out of three methods dereference it
unconditionally.

I fail to see how this pointer could legitimately be null.

All this useless null checking is highly redundant, which Coverity
duly reports.  About 200 times.

Remove the useless null checks.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-03 11:17:20 -05:00
Markus Armbruster
56bed4135f qapi: Drop unused code in qapi-commands.py
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-03 11:16:46 -05:00
Markus Armbruster
a105acbce3 qapi: Drop nonsensical header guard in generated qapi-visit.c
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-03 11:16:45 -05:00
Markus Armbruster
678e48a2e4 qapi: Fix licensing of scripts
The scripts carry this copyright notice:

    # This work is licensed under the terms of the GNU GPLv2.
    # See the COPYING.LIB file in the top-level directory.

The sentences contradict each other, as COPYING.LIB contains the LGPL
2.1.  Michael Roth says this was a simple pasto, and he meant to refer
COPYING.  Let's fix that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-03 11:16:45 -05:00
Fam Zheng
4864512389 qmp: Check for returned data from __json_read in get_events
When QEMU process aborts and socket is closed, qmp client will not
detect it. When this happens, some qemu-iotests scripts will enter an
endless loop waiting for qmp events.

It's better we raise an exception in qmp.py to catch this and make the
test script stop.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 13:35:53 -05:00
Fam Zheng
cd159d0954 QMP: Allow dot separated dict path arguments in qmp-shell
As another convenience to allow using commands that expect a dict as
argument, this patch adds support for foo.bar=value syntax, similar to
command line argument style:

  (QEMU) blockdev-add options.driver=file options.id=drive1 options.filename=...

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-28 11:41:43 -05:00
Peter Maydell
6dedf0522c Merge remote-tracking branch 'remotes/bonzini/configure' into staging
* remotes/bonzini/configure:
  build: softmmu targets do not have a "main.o" file
  configure: Disable libtool if -fPIE does not work with it (bug #1257099)
  block: convert block drivers linked with libs to modules
  Makefile: introduce common-obj-m and block-obj-m for DSO
  Makefile: install modules with "make install"
  module: implement module loading
  rules.mak: introduce DSO rules
  darwin: do not use -mdynamic-no-pic
  block: use per-object cflags and libs
  rules.mak: allow per object cflags and libs
  rules.mak: fix $(obj) to a real relative path
  util: Split out exec_dir from os_find_datadir

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-24 15:38:00 +00:00
Peter Maydell
7a87a7b3e4 Tracing pull request
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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

Tracing pull request

# gpg: Signature made Wed 19 Feb 2014 15:42:20 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.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: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/tracing-pull-request:
  trace-events: Fix typo in "offset"
  Add ust generated files to .gitignore
  Update documentation for LTTng ust tracing
  Adapt Makefiles to the new LTTng ust interface
  Modified the tracetool framework for LTTng 2.x
  Fix configure script for LTTng 2.x

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-21 14:38:23 +00:00
Fam Zheng
e26110cfc6 module: implement module loading
This patch adds loading, stamp checking and initialization of modules.

The init function of dynamic module is no longer directly called as
__attribute__((constructor)) in static linked version, it is called
only after passed the checking of presense of stamp symbol:

    qemu_stamp_$RELEASEHASH

where $RELEASEHASH is generated by hashing version strings and content
of configure script.

With this, modules built from a different tree/version/configure will
not be loaded.

The module loading code requires gmodule-2.0.

Modules are searched under
 - CONFIG_MODDIR
 - executable folder (to allow running qemu-{img,io} in the build
   directory)
 - ../ of executable folder (to allow running system emulator in the
   build directory)

Modules are linked under their subdir respectively, then copied to top
level of build directory for above convinience, e.g.:
    $(BUILD_DIR)/block/curl.so -> $(BUILD_DIR)/block-curl.so

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-20 13:14:18 +01:00
Peter Maydell
4c0c9bbe78 Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
* remotes/qmp-unstable/queue/qmp:
  monitor: Add object_add class argument completion.
  monitor: Add object_del id argument completion.
  monitor: Add device_add device argument completion.
  monitor: Add device_del id argument completion.
  qmp: expose list of supported character device backends
  Use error_is_set() only when necessary
  QMP: allow JSON dict arguments in qmp-shell
  hmp: migrate command (without -d) now blocks correctly

Conflicts:
	blockdev.c

[PMM: resolved trivial conflict in blockdev.c]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-20 12:10:23 +00:00
Mohamad Gebai
9530570fa5 Modified the tracetool framework for LTTng 2.x
* A new format is required to generate definitions for ust tracepoints.
  Files ust_events_h.py and ust_events_c.py define common macros, while
  new function ust_events_h in events.py does the actual definition of
  each tracepoint.
* ust.py generates the new interface for calling userspace tracepoints
  with LTTng 2.x, replacing trace_name(args) to tracepoint(name, args).
* As explained in ust_events_c.py, -Wredundant-decls gives a warning
  when compiling with gcc 4.7 or older. This is specific to lttng-ust so
  for now use a pragma clause to avoid getting a warning.

Signed-off-by: Mohamad Gebai <mohamad.gebai@polymtl.ca>
Reviewed-by: Alex Bennée <alex@bennee.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-02-19 11:08:53 +01:00
Stefan Hajnoczi
ff9ec34de8 QMP: allow JSON dict arguments in qmp-shell
qmp-shell hides the QMP wire protocol JSON encoding from the user.  Most
of the time this is helpful and makes the command-line human-friendly.

Some QMP commands take a dict as an argument.  In order to express this
we need to revert back to JSON notation.

This patch allows JSON dict arguments in qmp-shell so commands like
blockdev-add and nbd-server-start can be invoked:

  (QEMU) blockdev-add options={"driver":"file","id":"drive1",...}

Note that spaces are not allowed since str.split() is used to break up
the command-line arguments first.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-17 11:57:23 -05:00
Stefan Weil
a63e5e0c0d misc: Fix case Qemu -> QEMU
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-02-15 16:10:25 +04:00
Peter Maydell
89e4a51ca9 Tracing pull request
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Merge remote-tracking branch 'stefanha/tags/tracing-pull-request' into staging

Tracing pull request

# gpg: Signature made Mon 27 Jan 2014 14:51:09 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.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: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* stefanha/tags/tracing-pull-request:
  trace: fix simple trace "disable" keyword
  trace: add glib 2.32+ static GMutex support
  trace: [simple] Do not include "trace/simple.h" in generated tracer headers
  tracing: start trace processing thread in final child process

Message-id: 1390834386-23139-1-git-send-email-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 11:13:08 +00:00
Stefan Hajnoczi
736ec1677f trace: fix simple trace "disable" keyword
The trace-events "disable" keyword turns an event into a nop at
compile-time.  This is important for high-frequency events that can
impact performance.

The "disable" keyword is currently broken in the simple trace backend.
This patch fixes the problem as follows:

Trace events are identified by their TraceEventID number.  When events
are disabled there are two options for assigning TraceEventID numbers:
1. Skip disabled events and don't assign them a number.
2. Assign numbers for all events regardless of the disabled keyword.

The simple trace backend and its binary file format uses approach #1.

The tracetool infrastructure has been using approach #2 for a while.

The result is that the numbers used in simple trace files do not
correspond with TraceEventIDs.  In trace/simple.c we assumed that they
are identical and therefore emitted bogus numbers.

This patch fixes the bug by using TraceEventID for trace_event_id()
while sticking to approach #1 for simple trace file numbers.  This
preserves simple trace file format compatibility.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-01-27 15:49:39 +01:00
Lluís Vilanova
b618c28831 trace: [simple] Do not include "trace/simple.h" in generated tracer headers
The header is not necessary, given that the simple backend does not define any
inlined tracing routines.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-01-27 15:49:39 +01:00
Marcel Apfelbaum
9dd6cabdd3 configure: add CONFIG_IASL to config-host.h
Acpi unit-tests will extract iasl executable
from CONFIG_IASL define.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:49 +02:00
Laszlo Ersek
3e16d14fd9 Python-lang gdb script to extract x86_64 guest vmcore from qemu coredump
When qemu dies unexpectedly, for example in response to an explicit
abort() call, or (more importantly) when an external signal is delivered
to it that results in a coredump, sometimes it is useful to extract the
guest vmcore from the qemu process' memory image. The guest vmcore might
help understand an emulation problem in qemu, or help debug the guest.

This script reimplements (and cuts many features of) the
qmp_dump_guest_memory() command in gdb/Python,

  https://sourceware.org/gdb/current/onlinedocs/gdb/Python-API.html

working off the saved memory image of the qemu process. The docstring in
the patch (serving as gdb help text) describes the limitations relative to
the QMP command.

Dependencies of qmp_dump_guest_memory() have been reimplemented as needed.
I sought to follow the general structure, sticking to original function
names where possible. However, keeping it simple prevailed in some places.

The patch has been tested with a 4 VCPU, 768 MB, RHEL-6.4
(2.6.32-358.el6.x86_64) guest:

- The script printed

> guest RAM blocks:
> target_start     target_end       host_addr        message count
> ---------------- ---------------- ---------------- ------- -----
> 0000000000000000 00000000000a0000 00007f95d0000000 added       1
> 00000000000a0000 00000000000b0000 00007f960ac00000 added       2
> 00000000000c0000 00000000000ca000 00007f95d00c0000 added       3
> 00000000000ca000 00000000000cd000 00007f95d00ca000 joined      3
> 00000000000cd000 00000000000d0000 00007f95d00cd000 joined      3
> 00000000000d0000 00000000000f0000 00007f95d00d0000 joined      3
> 00000000000f0000 0000000000100000 00007f95d00f0000 joined      3
> 0000000000100000 0000000030000000 00007f95d0100000 joined      3
> 00000000fc000000 00000000fc800000 00007f960ac00000 added       4
> 00000000fffe0000 0000000100000000 00007f9618800000 added       5
> dumping range at 00007f95d0000000 for length 00000000000a0000
> dumping range at 00007f960ac00000 for length 0000000000010000
> dumping range at 00007f95d00c0000 for length 000000002ff40000
> dumping range at 00007f960ac00000 for length 0000000000800000
> dumping range at 00007f9618800000 for length 0000000000020000

- The vmcore was checked with "readelf", comparing the results against a
  vmcore written by qmp_dump_guest_memory():

> --- theirs      2013-09-12 17:38:59.797289404 +0200
> +++ mine        2013-09-12 17:39:03.820289404 +0200
> @@ -27,16 +27,16 @@
>    Type           Offset             VirtAddr           PhysAddr
>                   FileSiz            MemSiz              Flags  Align
>    NOTE           0x0000000000000190 0x0000000000000000 0x0000000000000000
> -                 0x0000000000000ca0 0x0000000000000ca0         0
> -  LOAD           0x0000000000000e30 0x0000000000000000 0x0000000000000000
> +                 0x000000000000001c 0x000000000000001c         0
> +  LOAD           0x00000000000001ac 0x0000000000000000 0x0000000000000000
>                   0x00000000000a0000 0x00000000000a0000         0
> -  LOAD           0x00000000000a0e30 0x0000000000000000 0x00000000000a0000
> +  LOAD           0x00000000000a01ac 0x0000000000000000 0x00000000000a0000
>                   0x0000000000010000 0x0000000000010000         0
> -  LOAD           0x00000000000b0e30 0x0000000000000000 0x00000000000c0000
> +  LOAD           0x00000000000b01ac 0x0000000000000000 0x00000000000c0000
>                   0x000000002ff40000 0x000000002ff40000         0
> -  LOAD           0x000000002fff0e30 0x0000000000000000 0x00000000fc000000
> +  LOAD           0x000000002fff01ac 0x0000000000000000 0x00000000fc000000
>                   0x0000000000800000 0x0000000000800000         0
> -  LOAD           0x00000000307f0e30 0x0000000000000000 0x00000000fffe0000
> +  LOAD           0x00000000307f01ac 0x0000000000000000 0x00000000fffe0000
>                   0x0000000000020000 0x0000000000020000         0
>
>  There is no dynamic section in this file.
> @@ -47,13 +47,6 @@
>
>  No version information found in this file.
>
> -Notes at offset 0x00000190 with length 0x00000ca0:
> +Notes at offset 0x00000190 with length 0x0000001c:
>    Owner                Data size       Description
> -  CORE         0x00000150      NT_PRSTATUS (prstatus structure)
> -  CORE         0x00000150      NT_PRSTATUS (prstatus structure)
> -  CORE         0x00000150      NT_PRSTATUS (prstatus structure)
> -  CORE         0x00000150      NT_PRSTATUS (prstatus structure)
> -  QEMU         0x000001b0      Unknown note type: (0x00000000)
> -  QEMU         0x000001b0      Unknown note type: (0x00000000)
> -  QEMU         0x000001b0      Unknown note type: (0x00000000)
> -  QEMU         0x000001b0      Unknown note type: (0x00000000)
> +  NONE         0x00000005      Unknown note type: (0x00000000)

- The vmcore was checked with "crash" too, again comparing the results
  against a vmcore written by qmp_dump_guest_memory():

> --- guest.vmcore.log2   2013-09-12 17:52:27.074289201 +0200
> +++ example.dump.log2   2013-09-12 17:52:15.904289203 +0200
> @@ -22,11 +22,11 @@
>  This GDB was configured as "x86_64-unknown-linux-gnu"...
>
>       KERNEL: /usr/lib/debug/lib/modules/2.6.32-358.el6.x86_64/vmlinux
> -    DUMPFILE: /home/lacos/tmp/guest.vmcore
> +    DUMPFILE: /home/lacos/tmp/example.dump
>          CPUS: 4
> -        DATE: Thu Sep 12 17:16:11 2013
> -      UPTIME: 00:01:09
> -LOAD AVERAGE: 0.07, 0.03, 0.00
> +        DATE: Thu Sep 12 17:17:41 2013
> +      UPTIME: 00:00:38
> +LOAD AVERAGE: 0.18, 0.05, 0.01
>         TASKS: 130
>      NODENAME: localhost.localdomain
>       RELEASE: 2.6.32-358.el6.x86_64
> @@ -38,12 +38,12 @@
>       COMMAND: "swapper"
>          TASK: ffffffff81a8d020  (1 of 4)  [THREAD_INFO: ffffffff81a00000]
>           CPU: 0
> -       STATE: TASK_RUNNING (PANIC)
> +       STATE: TASK_RUNNING (ACTIVE)
> +     WARNING: panic task not found
>
>  crash> bt
>  PID: 0      TASK: ffffffff81a8d020  CPU: 0   COMMAND: "swapper"
> - #0 [ffffffff81a01ed0] default_idle at ffffffff8101495d
> - #1 [ffffffff81a01ef0] cpu_idle at ffffffff81009fc6
> + #0 [ffffffff81a01ef0] cpu_idle at ffffffff81009fc6
>  crash> task ffffffff81a8d020
>  PID: 0      TASK: ffffffff81a8d020  CPU: 0   COMMAND: "swapper"
>  struct task_struct {
> @@ -75,7 +75,7 @@
>        prev = 0xffffffff81a8d080
>      },
>      on_rq = 0,
> -    exec_start = 8618466836,
> +    exec_start = 7469214014,
>      sum_exec_runtime = 0,
>      vruntime = 0,
>      prev_sum_exec_runtime = 0,
> @@ -149,7 +149,7 @@
>    },
>    tasks = {
>      next = 0xffff88002d621948,
> -    prev = 0xffff880029618f28
> +    prev = 0xffff880023b74488
>    },
>    pushable_tasks = {
>      prio = 140,
> @@ -165,7 +165,7 @@
>      }
>    },
>    mm = 0x0,
> -  active_mm = 0xffff88002929b780,
> +  active_mm = 0xffff8800297eb980,
>    exit_state = 0,
>    exit_code = 0,
>    exit_signal = 0,
> @@ -177,7 +177,7 @@
>    sched_reset_on_fork = 0,
>    pid = 0,
>    tgid = 0,
> -  stack_canary = 2483693585637059287,
> +  stack_canary = 7266362296181431986,
>    real_parent = 0xffffffff81a8d020,
>    parent = 0xffffffff81a8d020,
>    children = {
> @@ -224,14 +224,14 @@
>    set_child_tid = 0x0,
>    clear_child_tid = 0x0,
>    utime = 0,
> -  stime = 3,
> +  stime = 2,
>    utimescaled = 0,
> -  stimescaled = 3,
> +  stimescaled = 2,
>    gtime = 0,
>    prev_utime = 0,
>    prev_stime = 0,
>    nvcsw = 0,
> -  nivcsw = 1000,
> +  nivcsw = 1764,
>    start_time = {
>      tv_sec = 0,
>      tv_nsec = 0

- <name_dropping>I asked for Dave Anderson's help with verifying the
  extracted vmcore, and his comments make me think I should post
  this.</name_dropping>

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:48 +02:00
Max Reitz
8592a545b6 qapi: Add "errno" to the list of polluted words
Using "errno" directly as an identifier results in various syntax
errors; therefore it should be added to the list of polluted words.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-01-22 12:07:18 +01:00
Richard Henderson
7b75d9d61b Adjust qapi-visit for python-2.4.3
We say we support python 2.4, but python 2.4.3 does not
support the "expr if test else expr" syntax used here.

This allows QEMU to compile on RHEL 5.3, the last release for ia64.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-11-11 10:02:21 -05:00
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>
 -----BEGIN PGP SIGNATURE-----
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 =CVfs
 -----END PGP SIGNATURE-----

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
Michael S. Tsirkin
a31a864273 acpi: add rules to compile ASL source
Detect presence of IASL compiler and use it
to process ASL source. If not there, use pre-compiled
files in-tree. Add script to update the in-tree files.

Note: distros are known to silently update iasl
so detect correct iasl flags for the installed version on each run as
opposed to at configure time.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14 17:48:51 +03:00
Michael S. Tsirkin
74523b8501 i386: add ACPI table files from seabios
This adds ASL code as well as scripts for processing it,
imported from seabios git tree
commit 51684b7ced75fb76776e8ee84833fcfb6ecf12dd

Will be used for runtime acpi table generation.

Note:
This patch reuses some code from SeaBIOS, which was originally under
LGPLv2 and then relicensed to GPLv3 or LGPLv3, in QEMU under GPLv2+. This
relicensing has been acked by all contributors that had contributed to the
code since the v2->v3 relicense. ACKs approving the v2+ relicensing are
listed below. The list might include ACKs from people not holding
copyright on any parts of the reused code, but it's better to err on the
side of caution and include them.

Affected SeaBIOS files (GPLv2+ license headers added)
<http://thread.gmane.org/gmane.comp.bios.coreboot.seabios/5949>:

 src/acpi-dsdt-cpu-hotplug.dsl
 src/acpi-dsdt-dbug.dsl
 src/acpi-dsdt-hpet.dsl
 src/acpi-dsdt-isa.dsl
 src/acpi-dsdt-pci-crs.dsl
 src/acpi.c
 src/acpi.h
 src/ssdt-misc.dsl
 src/ssdt-pcihp.dsl
 src/ssdt-proc.dsl
 tools/acpi_extract.py
 tools/acpi_extract_preprocess.py

Each one of the listed people agreed to the following:

> If you allow the use of your contribution in QEMU under the
> terms of GPLv2 or later as proposed by this patch,
> please respond to this mail including the line:
>
> Acked-by: Name <email address>

  Acked-by: Gerd Hoffmann <kraxel@redhat.com>
  Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
  Acked-by: Jason Baron <jbaron@akamai.com>
  Acked-by: David Woodhouse <David.Woodhouse@intel.com>
  Acked-by: Gleb Natapov <gleb@redhat.com>
  Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
  Acked-by: Dave Frodin <dave.frodin@se-eng.com>
  Acked-by: Paolo Bonzini <pbonzini@redhat.com>
  Acked-by: Kevin O'Connor <kevin@koconnor.net>
  Acked-by: Laszlo Ersek <lersek@redhat.com>
  Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
  Acked-by: Isaku Yamahata <yamahata@valinux.co.jp>
  Acked-by: Magnus Christensson <magnus.christensson@intel.com>
  Acked-by: Hu Tao <hutao@cn.fujitsu.com>
  Acked-by: Eduardo Habkost <ehabkost@redhat.com>

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14 17:48:51 +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
Kevin Wolf
14d36307ff qapi-types/visit.py: Pass whole expr dict for structs
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-10-11 16:50:01 +02:00
Gerd Hoffmann
93a2b3c470 roms: rewrite scripts/refresh-pxe-roms.sh
Just use the Makefile in roms/

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-09-30 09:44:35 +02:00
Luiz Capitulino
22f3946bc5 QMP: add scripts/qmp
Populate it with all scripts stored in QMP/. Also fixes trailing
whitespaces in qmp-shell and qmp.py.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-09-18 08:57:02 -04:00
Anthony Liguori
6f52e51bb7 Merge remote-tracking branch 'luiz/queue/qmp' into staging
# By Cole Robinson
# Via Luiz Capitulino
* luiz/queue/qmp:
  qapi-types.py: Fix enum struct sizes on i686

Message-id: 1378822364-13887-1-git-send-email-lcapitulino@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-09-11 14:46:44 -05:00
Cole Robinson
02dc4bf568 qapi-types.py: Fix enum struct sizes on i686
Unlike other list types, enum wasn't adding any padding, which caused
a mismatch between the generated struct size and GenericList struct
size. More details in a678e26cbe

This crashed qemu if calling qmp query-tpm-types for example, which
upsets libvirt capabilities probing. Reproducer on i686:

(sleep 5; printf '{"execute":"qmp_capabilities"}\n{"execute":"query-tpm-types"}\n') | ./i386-softmmu/qemu-system-i386 -S -nodefaults -nographic -M none -qmp stdio

https://bugs.launchpad.net/qemu/+bug/1219207

Cc: qemu-stable@nongnu.org
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-09-10 10:09:04 -04:00
Tomoki Sekiyama
24482749c7 Add a script to extract VSS SDK headers on POSIX system
VSS SDK(*) setup.exe is only runnable on Windows. This adds a script
to extract VSS SDK headers on POSIX-systems using msitools.

  * http://www.microsoft.com/en-us/download/details.aspx?id=23490

From: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2013-09-09 14:17:56 -05:00
Tomoki Sekiyama
69d5d21f90 checkpatch.pl: Check .cpp files
Enable checkpatch.pl to apply the same checks as C source files for
C++ files with .cpp extensions. It also adds some exceptions for C++
sources to suppress errors for:
  - <> used in C++ template arguments (e.g. template <class T>)
  - :: used to represent namespaces   (e.g. SomeClass::method())
  - : used in class declaration       (e.g. class T : public Super)
  - ~ used in destructor method name  (e.g. T::~T())
  - spacing around 'catch'            (e.g. catch (...))

Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2013-09-09 14:17:56 -05:00
Tomoki Sekiyama
6f88009ee5 Add c++ keywords to QAPI helper script
Add c++ keywords to avoid errors in compiling with c++ compiler.
This also renames class member of PciDeviceInfo to q_class.

Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2013-09-09 14:17:56 -05:00
Kevin Wolf
015370301f qapi-types.py: Split off generate_struct_fields()
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-08-30 15:28:52 +02:00
Anthony Liguori
f7ad538e1e Merge remote-tracking branch 'stefanha/block' into staging
# By Alex Bligh (32) and others
# Via Stefan Hajnoczi
* stefanha/block: (42 commits)
  win32-aio: drop win32_aio_flush_cb()
  aio-win32: replace incorrect AioHandler->opaque usage with ->e
  aio / timers: remove dummy_io_handler_flush from tests/test-aio.c
  aio / timers: Remove legacy interface
  aio / timers: Switch entire codebase to the new timer API
  aio / timers: Add scripts/switch-timer-api
  aio / timers: Add test harness for AioContext timers
  aio / timers: convert block_job_sleep_ns and co_sleep_ns to new API
  aio / timers: Convert rtc_clock to be a QEMUClockType
  aio / timers: Remove main_loop_timerlist
  aio / timers: Rearrange timer.h & make legacy functions call non-legacy
  aio / timers: Add qemu_clock_get_ms and qemu_clock_get_ms
  aio / timers: Remove legacy qemu_clock_deadline & qemu_timerlist_deadline
  aio / timers: Remove alarm timers
  aio / timers: Add documentation and new format calls
  aio / timers: Use all timerlists in icount warp calculations
  aio / timers: Introduce new API timer_new and friends
  aio / timers: On timer modification, qemu_notify or aio_notify
  aio / timers: Convert mainloop to use timeout
  aio / timers: Convert aio_poll to use AioContext timers' deadline
  ...

Message-id: 1377202298-22896-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-08-26 09:19:50 -05:00
Richard Henderson
42eed424e1 disas-objdump: Pass --adjust-vma to objdump
This gives the dumped blob its correct address during disassembly,
which makes pc-relative insns much easier to interpret.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2013-08-24 07:26:45 +02:00
Richard Henderson
8dc6d24091 disas: Add disas-objdump.pl
The script massages the output produced for architectures that are
not supported internally by qemu though an external objdump program
for disassembly.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2013-08-24 07:26:45 +02:00
Alex Bligh
fe10ab540b aio / timers: Add scripts/switch-timer-api
Add scripts/switch-timer-api to programatically rewrite source
files to use the new timer system.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-08-22 19:14:24 +02:00
Peter Maydell
21e0043bad scripts/qapi.py: Avoid syntax not supported by Python 2.4
The Python "except Foo as x" syntax was only introduced in
Python 2.6, but we aim to support Python 2.4 and later.
Use the old-style "except Foo, x" syntax instead, thus
fixing configure/compile on systems with older Python.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-08-20 11:52:00 -04:00
Markus Armbruster
f1a145e154 qapi.py: Permit comments starting anywhere on the line
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1374939721-7876-10-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29 10:37:11 -05:00
Markus Armbruster
28b8bd4c75 qapi.py: Rename expr_eval to expr in parse_schema()
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1374939721-7876-9-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29 10:37:11 -05:00
Markus Armbruster
5f3cd2b717 qapi.py: Fix diagnosing non-objects at a schema's top-level
Report syntax error instead of crashing.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1374939721-7876-8-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29 10:37:11 -05:00
Markus Armbruster
6974ccd542 qapi.py: Fix schema parser to check syntax systematically
Fixes at least the following parser bugs:

* accepts any token in place of a colon

* treats comma as optional

* crashes when closing braces or brackets are missing

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1374939721-7876-7-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29 10:37:11 -05:00
Markus Armbruster
9213aa5391 qapi.py: Reject invalid characters in schema file
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1374939721-7876-6-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29 10:37:11 -05:00
Markus Armbruster
2caba36cc6 qapi.py: Decent syntax error reporting
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1374939721-7876-5-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29 10:37:10 -05:00
Markus Armbruster
c7a3f25200 qapi.py: Restructure lexer and parser
The parser has a rather unorthodox structure:

    Until EOF:

        Read a section:

            Generator function get_expr() yields one section after the
            other, as a string.  An unindented, non-empty line that
            isn't a comment starts a new section.

        Lexing:

            Split section into a list of tokens (strings), with help
            of generator function tokenize().

        Parsing:

            Parse the first expression from the list of tokens, with
            parse(), throw away any remaining tokens.

            In parse_schema(): record value of an enum, union or
            struct key (if any) in the appropriate global table,
            append expression to the list of expressions.

    Return list of expressions.

Known issues:

(1) Indentation is significant, unlike in real JSON.

(2) Neither lexer nor parser have any idea of source positions.  Error
    reporting is hard, let's go shopping.

(3) The one error we bother to detect, we "report" via raise.

(4) The lexer silently ignores invalid characters.

(5) If everything in a section gets ignored, the parser crashes.

(6) The lexer treats a string containing a structural character exactly
    like the structural character.

(7) Tokens trailing the first expression in a section are silently
    ignored.

(8) The parser accepts any token in place of a colon.

(9) The parser treats comma as optional.

(10) parse() crashes on unexpected EOF.

(11) parse_schema() crashes when a section's expression isn't a JSON
    object.

Replace this piece of original art by a thoroughly unoriginal design.
Takes care of (1), (2), (5), (6) and (7), and lays the groundwork for
addressing the others.  Generated source files remain unchanged.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1374939721-7876-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29 10:37:10 -05:00
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
ea66c6d881 qapi.py: Maintain a list of union types
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
0aef92b90d qapi-visit.py: Implement 'base' for unions
This implements the visitor part of base types for unions. Parsed into
QMP, this example schema definition...

    { 'type': 'BlockOptionsBase', 'data': { 'read-only': 'bool' } }
    { 'type': 'BlockOptionsQcow2, 'data': { 'lazy-refcounts': 'bool' } }

    { 'union': 'BlockOptions',
      'base': 'BlockOptionsBase',
      'data': {
          'raw': 'BlockOptionsRaw'
          'qcow2': 'BlockOptionsQcow2'
      } }

...would describe the following JSON object:

    { "type": "qcow2",
      "read-only": true,
      "data": { "lazy-refcounts": false } }

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26 20:17:15 +02:00
Kevin Wolf
d131c897f3 qapi-visit.py: Split off generate_visit_struct_fields()
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26 20:17:15 +02:00
Kevin Wolf
e2503f5e21 qapi-types.py: Implement 'base' for unions
The new 'base' key in a union definition refers to a struct type, which
is inlined into the union definition and can represent fields common to
all kinds.

For example the following schema definition...

    { 'type': 'BlockOptionsBase', 'data': { 'read-only': 'bool' } }

    { 'union': 'BlockOptions',
      'base': 'BlockOptionsBase',
      'data': {
          'raw': 'BlockOptionsRaw'
          'qcow2': 'BlockOptionsQcow2'
      } }

...would result in this generated C struct:

    struct BlockOptions
    {
        BlockOptionsKind kind;
        union {
            void *data;
            BlockOptionsRaw * raw;
            BlockOptionsQcow2 * qcow2;
        };
        bool read_only;
    };

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26 20:17:15 +02:00
Anthony Liguori
90c66f587c Merge remote-tracking branch 'stefanha/tracing' into staging
# By Markus Armbruster
# Via Stefan Hajnoczi
* stefanha/tracing:
  trace-events: Fix up source file comments
  trace-events: Drop unused events
  milkymist-minimac2: Fix minimac2_read/_write tracepoints
  slavio_misc: Fix slavio_led_mem_readw/_writew tracepoints
  cleanup-trace-events.pl: New

Message-id: 1374119369-26496-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-22 10:13:15 -05:00
Markus Armbruster
f0c03c8cf6 cleanup-trace-events.pl: New
Simple script to drop unused events and fix up source file comments.
The next few commits put it to use.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-07-18 11:44:42 +08:00
Luiz Capitulino
8f91ad8a1b qapi: qapi-commands: fix possible leaks on visitor dealloc
In qmp-marshal.c the dealloc visitor calls use the same errp
pointer of the input visitor calls. This means that if any of
the input visitor calls fails, then the dealloc visitor will
return early, before freeing the object's memory.

Here's an example, consider this code:

int qmp_marshal_input_block_passwd(Monitor *mon, const QDict *qdict, QObject **ret)
{
	[...]

    char * device = NULL;
    char * password = NULL;

    mi = qmp_input_visitor_new_strict(QOBJECT(args));
    v = qmp_input_get_visitor(mi);
    visit_type_str(v, &device, "device", errp);
    visit_type_str(v, &password, "password", errp);
    qmp_input_visitor_cleanup(mi);

    if (error_is_set(errp)) {
        goto out;
    }
    qmp_block_passwd(device, password, errp);

out:
    md = qapi_dealloc_visitor_new();
    v = qapi_dealloc_get_visitor(md);
    visit_type_str(v, &device, "device", errp);
    visit_type_str(v, &password, "password", errp);
    qapi_dealloc_visitor_cleanup(md);

	[...]

    return 0;
}

Consider errp != NULL when the out label is reached, we're going
to leak device and password.

This patch fixes this by always passing errp=NULL for dealloc
visitors, meaning that we always try to free them regardless of
any previous failure. The above example would then be:

out:
    md = qapi_dealloc_visitor_new();
    v = qapi_dealloc_get_visitor(md);
    visit_type_str(v, &device, "device", NULL);
    visit_type_str(v, &password, "password", NULL);
    qapi_dealloc_visitor_cleanup(md);

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2013-07-16 09:15:06 -04:00
Kevin Wolf
b35284ea20 qapi.py: Allow top-level type reference for command definitions
If 'data' for a command definition isn't a dict, but a string, it is
taken as a (struct) type name and the fields of this struct are directly
used as parameters.

This is useful for transactionable commands that can use the same type
definition for both the transaction action and the arguments of the
standalone command.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-07-10 13:39:37 -04:00
Kevin Wolf
bd9927fee4 qapi.py: Avoid code duplication
The code that interprets the read JSON expression and appends types to
the respective global variables was duplicated. We can avoid that by
splitting off the part that reads from the file.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-07-10 13:39:37 -04:00
Paolo Bonzini
2e59915d43 main: use TARGET_ARCH only for the target-specific #define
Everything else needs to match the executable name, which is
TARGET_NAME.

Before:
    $ sh4eb-linux-user/qemu-sh4eb --help
    usage: qemu-sh4 [options] program [arguments...]
    Linux CPU emulator (compiled for sh4 emulation)

After:
    $ sh4eb-linux-user/qemu-sh4eb --help
    usage: qemu-sh4eb [options] program [arguments...]
    Linux CPU emulator (compiled for sh4eb emulation)

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1370349928-20419-5-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-06-14 15:33:11 +01:00
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
Paolo Bonzini
c1799a8462 build: rename TARGET_ARCH2 to TARGET_NAME
Do not introduce any new use yet.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1370349928-20419-3-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-06-14 15:33:10 +01:00
Fam Zheng
b64ec4e4ad block: add block driver read only whitelist
We may want to include a driver in the whitelist for read only tasks
such as diagnosing or exporting guest data (with libguestfs as a good
example). This patch introduces a readonly whitelist option, and for
backward compatibility, the old configure option --block-drv-whitelist
is now an alias to rw whitelist.

Drivers in readonly list is only permitted to open file readonly, and
returns -ENOTSUP for RW opening.

E.g. To include vmdk readonly, and others read+write:
    ./configure --target-list=x86_64-softmmu \
                --block-drv-rw-whitelist=qcow2,raw,file,qed \
                --block-drv-ro-whitelist=vmdk

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-06-04 12:11:58 +02:00
Michael Roth
a678e26cbe qapi: pad GenericList value fields to 64 bits
With the introduction of native list types, we now have types such as
int64List where the 'value' field is not a pointer, but the actual
64-bit value.

On 32-bit architectures, this can lead to situations where 'next' field
offset in GenericList does not correspond to the 'next' field in the
types that we cast to GenericList when using the visit_next_list()
interface, causing issues when we attempt to traverse linked list
structures of these types.

To fix this, pad the 'value' field of GenericList and other
schema-defined/native *List types out to 64-bits.

This is less memory-efficient for 32-bit architectures, but allows us to
continue to rely on list-handling interfaces that target GenericList to
simply visitor implementations.

In the future we can improve efficiency by defaulting to using native C
array backends to handle list of non-pointer types, which would be more
memory efficient in itself and allow us to roll back this change.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-05-30 09:08:38 -04:00
Michael Roth
7c946bc418 qapi: qapi-visit.py, native list support
Teach visitor generators about native types so they can generate the
appropriate visitor routines.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-05-23 09:44:20 -04:00
Michael Roth
c664aef551 qapi: qapi-visit.py, fix list handling for union types
Currently we assume non-list types when generating visitor routines for
union types. This is broken, since values like ['Type'] need to mapped
to 'TypeList'.

We already have a type_name() function to handle this that we use for
generating struct visitors, so use that here as well.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-05-23 09:44:20 -04:00
Michael Roth
c0afa9c5f7 qapi: qapi-types.py, native list support
Teach type generators about native types so they can generate the
appropriate linked list types.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-05-23 09:44:20 -04:00
Eiichi Tsukata
781e9545db trace: Add ftrace tracing backend
This patch adds a ftrace tracing backend which sends trace event to
ftrace marker file. You can effectively compare qemu trace data and
kernel(especially, kvm.ko when using KVM) trace data.
The ftrace backend is restricted to Linux only.

To try out the ftrace backend:

 $ ./configure --trace-backend=ftrace
 $ make

if you use KVM, enable kvm events in ftrace:

 # sudo echo 1 > /sys/kernel/debug/tracing/events/kvm/enable

After running qemu by root user, you can get the trace:

 # cat /sys/kernel/debug/tracing/trace

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
Jan Kiszka
007e986ff2 vmxcap: Update according to SDM of January 2013
This adds reporting of VMCS shadowing, #VE, IA32_SMBASE, unrestricted
VMWRITE and fixes the range of the MSEG revision ID.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2013-04-17 23:27:24 -03:00
Jan Kiszka
614413f7f9 vmxcap: Report APIC register emulation and RDTSCP control
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2013-04-17 23:27:24 -03:00
Jan Kiszka
ea4ee28399 vmxcap: Augment reported information
Parse the Basic VMX Information MSR and add the bit for the new posted
interrupts.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-04-17 23:27:24 -03:00
Jan Kiszka
f505a4d74a vmxcap: Open MSR file in unbuffered mode
Python may otherwise decide to to read larger chunks, applying the seek
only on the software buffer. This will return results from the wrong
MSRs.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-04-17 23:27:23 -03:00
Lluís Vilanova
c6f18b9195 trace: [stderr] Port to generic event information and new control interface
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-28 14:19:57 +01:00
Lluís Vilanova
60481e210d trace: [simple] Port to generic event information and new control interface
The backend is forced to dump event numbers using 64 bits, as TraceEventID is
an enum.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-28 14:19:57 +01:00
Lluís Vilanova
45be2f5d0d trace: Provide a generic tracing event descriptor
Uses tracetool to generate a backend-independent tracing event description
(struct TraceEvent).

The values for such structure are generated with the non-public "events"
backend ("events-c" frontend).

The generation of the defines to check if an event is statically enabled is also
moved to the "events" backend ("events-h" frontend).

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-28 14:19:57 +01:00
Lluís Vilanova
93fba1618d trace: [tracetool] Explicitly identify public backends
Public backends are those printed by "--list-backends" and thus considered valid
by the configure script.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-28 14:19:57 +01:00
Andreas Färber
8807080133 make_device_config.sh: Emit dependency file to directory where included
Placing the config-devices.mak.d file alongside the config-devices.mak
file in *-softmmu/ lead to it getting included into through
*-softmmu/Makefile in addition to ./Makefile, leading to confusion.

Instead, emit it to ./%-config-devices.mak.d, where it is included.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-03-09 12:00:03 +00:00
Andreas Färber
1b3048170a Revert "make_device_config.sh: Fix target path in generated dependency file"
This reverts commit 23bf49b5ec.

While *-softmmu/config-devices.mak.d is included through *.d pattern via
Makefile.target, the make_devices_config.sh call these dependencies are
for is in ./Makefile. Therefore revert to original behavior.

This should unbreak pci.mak dependencies not propagating.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-03-09 12:00:03 +00:00
Gerd Hoffmann
f4ece40463 fix scripts/make_device_config.sh
Make it handle multiple include statements in a file:

 (1) The printf needs a space so the include files will be separated.
 (2) Also $f can contain multiple failes, so redirection will not work
     and we have to use cat to process all files.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-02-19 11:53:49 +01:00
Anthony Liguori
0893d46014 Merge remote-tracking branch 'qemu-kvm/uq/master' into staging
* qemu-kvm/uq/master:
  target-i386: kvm: prevent buffer overflow if -cpu foo, [x]level is too big
  vmxcap: bit 9 of VMX_PROCBASED_CTLS2 is 'virtual interrupt delivery'

Conflicts:
	target-i386/kvm.c

Trivial merge resolution due to lack of context.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-29 16:57:41 -06:00
Andreas Färber
23bf49b5ec make_device_config.sh: Fix target path in generated dependency file
config-devices.mak.d is included from Makefile.target, i.e. from inside
the *-softmmu/ directory. It included the directory path, so never
applied to the actual ./config-devices.mak. Symptoms were spurious
build failures due to missing dependency on default-configs/pci.mak.

Fix this by using `basename` to strip the directory path.

Reported-by: Gerhard Wiesinger <lists@wiesinger.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-26 13:26:29 +00:00
Marcelo Tosatti
f9e90c798d vmxcap: bit 9 of VMX_PROCBASED_CTLS2 is 'virtual interrupt delivery'
Bit 9 of MSR_IA32_VMX_PROCBASED_CTLS2 is
virtual interrupt delivery.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2013-01-21 23:11:27 -02:00
Blue Swirl
02e079c79c Merge branch 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf
* 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf: (31 commits)
  PPC: linux-user: Calculate context pointer explicitly
  target-ppc: Error out for -cpu host on unknown PVR
  target-ppc: Slim conversion of model definitions to QOM subclasses
  PPC: Bring EPR support closer to reality
  PPC: KVM: set has-idle in guest device tree
  kvm: Update kernel headers
  openpic: fix CTPR and de-assertion of interrupts
  openpic: move IACK to its own function
  openpic: IRQ_check: search the queue a word at a time
  openpic: fix sense and priority bits
  openpic: add some bounds checking for IRQ numbers
  openpic: use standard bitmap operations
  Revert "openpic: Accelerate pending irq search"
  openpic: always call IRQ_check from IRQ_get_next
  openpic/fsl: critical interrupts ignore mask before v4.1
  openpic: make ctpr signed
  openpic: rework critical interrupt support
  openpic: make register names correspond better with hw docs
  ppc/booke: fix crit/mcheck/debug exceptions
  openpic: lower interrupt when reading the MSI register
  ...
2013-01-12 12:47:02 +00:00
Tomoki Sekiyama
96610da210 qemu-ga: sample fsfreeze hooks
Adds sample hook scripts for --fsfreeze-hook option of qemu-ga.
  - fsfreeze-hook : execute scripts in fsfreeze-hook.d/
  - fsfreeze-hook.d/mysql-flush.sh.sample : quiesce MySQL before snapshot

Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama.qu@hitachi.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2013-01-08 16:38:12 -06:00
Bharat Bhushan
d56af005dc powerpc: linux header sync script includes epapr_hcalls.h
epapr_hcalls.h is now referenced by kvm_para.h. so this is needed for
QEMU to get compiled on powerpc.

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-01-07 17:37:09 +01:00
Lluís Vilanova
eac236ea7b build: Use separate makefile for "trace/"
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
--
Changes in v2:

* Do not depend on "qemu-timer-common.o".
* Use "$(obj)" in rules to refer to the build sub-directory.
* Remove dependencies against "$(GENERATED_HEADERS)".

Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-12-23 14:28:02 -06:00
Paolo Bonzini
1de7afc984 misc: move include files to include/qemu/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:32:39 +01:00
Paolo Bonzini
022c62cbbc exec: move include files to include/exec/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:31:31 +01:00
Paolo Bonzini
7b1b5d1913 qapi: move include files to include/qobject/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:31:31 +01:00
Paolo Bonzini
4167c42c5e qapi: remove qapi/qapi-types-core.h
The file is only including error.h and qerror.h.  Prefer explicit
inclusion of whatever files are needed.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:31:30 +01:00
Paolo Bonzini
79ee7df885 qapi: move inclusions of qemu-common.h from headers to .c files
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:31:30 +01:00
Michael S. Tsirkin
c84a2b1aa5 get_maintainer.pl: update from linix 3.8
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-12-12 23:41:03 +02:00
Anthony Liguori
c562d15d31 Merge remote-tracking branch 'stefanha/tracing' into staging
* stefanha/tracing:
  trace: Remove "info trace" from documents
  trace: document '-' syntax for disabling events
  trace: allow disabling events in events file
  Avoid all systemtap reserved words

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-11-19 08:32:03 -06:00
Daniel P. Berrange
81dee729c1 Avoid all systemtap reserved words
Over time various systemtap reserved words have been blacklisted
in the trace backend generator. The list is not complete though,
so there is continued risk of problems in the future. Preempt
such problems by specifying the full list of systemtap keywords
listed in its parser as identified here:

  http://sourceware.org/ml/systemtap/2012-q4/msg00157.html

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2012-11-16 13:12:13 +01:00
Igor Mammedov
da4fea066d qapi-types.h: Don't include qemu-common.h
Needed to prevent build breakage when CPUState becomes a child of
DeviceState.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
[ehabkost: include <stdbool.h> too]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-11-15 02:46:20 +01:00
Peter Maydell
b55f546eef update-linux-headers.sh: Handle new kernel uapi/ directories
Recent kernels have moved to keeping the userspace headers
in uapi/ subdirectories. This breaks the detection of whether an
architecture has KVM support in the kernel because kvm.h has
moved in the kernel source tree. Update the check to support
both the old and new locations.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-10-30 23:39:53 -02:00
Heinz Graalfs
1b3e6f88dc s390/kvm_stat: correct sys_perf_event_open syscall number
Correct sys_perf_event_open syscall number for s390 architecture
   - the hardcoded syscall number 298 is for x86 but should
     be different for other architectures.
     In case we figure out via /proc/cpuinfo that we are running
     on s390 the appropriate syscall number is used from map
     syscall_numbers; other architectures can extend this.

Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-10-29 19:41:55 +01:00
Anthony Liguori
97f3461555 Merge remote-tracking branch 'qmp/queue/qmp' into staging
* qmp/queue/qmp:
  block: live snapshot documentation tweaks
  input: index_from_key(): drop unused code
  qmp: qmp_send_key(): accept key codes in hex
  input: qmp_send_key(): simplify
  hmp: dump-guest-memory: hardcode protocol argument to "file:"
  qmp: dump-guest-memory: don't spin if non-blocking fd would block
  qmp: dump-guest-memory: improve schema doc (again)
  qapi: convert add_client
  monitor: add Error * argument to monitor_get_fd
  pci-assign: use monitor_handle_fd_param
  qapi: add "unix" to the set of reserved words
  qapi: do not protect enum values from namespace pollution
  Add qemu-ga-client script
  Support settimeout in QEMUMonitorProtocol
  Make negotiation optional in QEMUMonitorProtocol
2012-10-04 19:52:09 -05:00
Alex Williamson
df8c1b0207 Update kernel header script to include vfio
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-01 08:04:22 -05:00
Paolo Bonzini
1057725f66 qapi: add "unix" to the set of reserved words
It is #defined to 1.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-26 10:45:02 -03:00
Paolo Bonzini
eda50a656f qapi: do not protect enum values from namespace pollution
Enum values are always preceded by the uppercase name of the enum, so
they do not conflict with reserved words.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-26 10:45:02 -03:00
Alon Levy
d8f8a860f2 dtrace backend: add function to reserved words
Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-09-23 07:11:28 +01:00
Peter Maydell
2879636d55 update-linux-headers.sh: Don't hard code list of architectures
Rather than hardcoding the list of architectures in the kernel
header update script, just import headers for every architecture
which supports KVM (with a blacklist exception for ia64 which
has KVM headers but is dead). This reduces the number of QEMU
files which need to be updated to add support for a new KVM
architecture.

Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-09-11 18:14:49 -03:00
Aurelien Jarno
e22b1e9907 Merge branch 'queue/qmp' of git://repo.or.cz/qemu/qmp-unstable
* 'queue/qmp' of git://repo.or.cz/qemu/qmp-unstable:
  tcx: tcx_screen_dump(): add error handling
  tcx: tcx24_screen_dump(): add error handling
  g364fb: g364fb_screen_dump(): add error handling
  omap_lcdc: omap_ppm_save(): add error handling
  omap_lcdc: rename ppm_save() to omap_ppm_save()
  vga: ppm_save(): add error handling
  qapi: convert screendump
  console: vga_hw_screen_dump_ptr: take Error argument
  error: add error_setg()
  json-parser: Fix potential NULL pointer segfault
  qapi: Fix potential NULL pointer segfault
  qapi: convert sendkey
  monitor: move key_defs[] table and introduce two help functions
  qapi: add the QKeyCode enum
  qapi: generate list struct and visit_list for enum
  hmp: rename arguments
  monitor: rename keyname '<' to 'less'
  fix doc of using raw values with sendkey
  Add support for pretty-printing response in qmp-shell
2012-09-10 15:04:36 +02:00
Don Slutz
dfe7053a34 CHECKPATCH: Add warning for single else statement.
For an example:

WARNING: braces {} are necessary even for single statement blocks
+    } else
+        return env->regs[R_EAX];

total: 0 errors, 1 warnings, 41 lines checked
Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-05 19:17:49 +00:00
Don Slutz
69402a6944 CHECKPATCH: Add --debug adv_apw
Add debug options to find this issue.  They were not listed
in the help because the are not simple to understand the output of.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-05 19:17:49 +00:00
Don Slutz
5424302e56 CHECKPATCH: Add --debug adv_checking
Add debug options to find this issue.  They were not listed
in the help because the are not simple to understand the output of.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-05 19:17:49 +00:00
Don Slutz
a99ac041e9 CHECKPATCH: Add --debug adv_dcs
Add debug options to find this issue.  They were not listed
in the help because the are not simple to understand the output of.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-05 19:17:49 +00:00
Stefan Weil
227ccf6bff qapi: Fix potential NULL pointer segfault
Report from smatch:

qapi-visit.c:1640 visit_type_BlockdevAction(8) error:
 we previously assumed 'obj' could be null (see line 1639)
qapi-visit.c:2432 visit_type_NetClientOptions(8) error:
 we previously assumed 'obj' could be null (see line 2431)

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-05 15:48:57 -03:00
Amos Kong
b9c4b48d50 qapi: generate list struct and visit_list for enum
Currently, if we define an 'enum' and use it in one command's
data, list struct for enum could not be generated, but it's
used in qmp function.

For example: KeyCodesList could not be generated.
>>> qapi-schema.json:
{ 'enum': 'KeyCodes',
  'data': [ 'shift', 'alt' ... ] }
{ 'command': 'sendkey',
  'data': { 'keys': ['KeyCodes'], '*hold-time': 'int' } }

>>> qmp-command.h:
void qmp_sendkey(KeyCodesList * keys, bool has_hold_time, int64_t
hold_time, Error **errp);

This patch lets qapi generate list struct and visit_list for enum.

Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-05 15:48:56 -03:00
Anthony Liguori
d1186a33ef Merge remote-tracking branch 'stefanha/trivial-patches' into staging
* stefanha/trivial-patches:
  ivshmem, qdev-monitor: fix order of qerror parameters
  iov_send_recv(): Handle zero bytes case even if OS does not
  framebuffer: Fix spelling in comment (leight -> height)
  Spelling fix in comment (peripherans -> peripherals)
  docs: Fix spelling (propery -> property)
  trace: Fix "Qemu" -> "QEMU"
  cputlb.c: Fix out of date comment
  ehci: fix assertion typo
  Makefile: Avoid explicit list of directories in clean target
2012-08-15 13:25:54 -05:00
Anthony Liguori
cc92186773 Merge remote-tracking branch 'qemu-kvm/uq/master' into staging
* qemu-kvm/uq/master:
  update-linux-headers.sh: Pull in asm-generic/kvm_para.h
  kvmvapic: Disable if there is insufficient memory
  kvm: i8254: Finish time conversion fix
  kvm: i8254: Cache kernel clock offset in KVMPITState
2012-08-15 11:15:02 -05:00
Stefan Weil
eda5edd12d trace: Fix "Qemu" -> "QEMU"
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-08-15 15:18:54 +01:00
Peter Maydell
256d046ca7 update-linux-headers.sh: Pull in asm-generic/kvm_para.h
Add asm-generic/kvm_para.h to the set of non-architecture specific
KVM kernel headers we copy into QEMU. This header may be included
by an architecture's kvm_para.h header.

Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-08-14 19:23:17 -03:00
Stefan Weil
964d0a7b2b trace/simple: Fix compiler warning for 32 bit hosts
gcc complains when a 32 bit pointer is casted to a 64 bit integer.

Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-08-14 13:19:54 +01:00
Luiz Capitulino
08b76b9fc3 scripts: qapi-commands.py: qmp-commands.h: include qdict.h
qmp-commands.h declares several functions that have arguments of
type QDict. However, qdict.h is not included. This will cause a
build breakage when a file includes qmp-commands.h but doesn't
include qdict.h.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-08-13 16:10:18 -03:00
Luiz Capitulino
ac4ff701d8 qapi: don't convert enum strings to lowercase
Next commit will introduce enum strings in camel case.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13 13:21:06 -03:00
Luiz Capitulino
f01f594b63 qapi: generate correct enum names for camel case enums
An enum like GenericError in the schema, should generate
GENERIC_ERROR and not GENERICERROR.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13 13:21:02 -03:00
Luiz Capitulino
b68a8472c1 qapi: qapi-types.h: don't include qapi/qapi-types-core.h
qapi-types.h needs only qemu-common.h. Including qapi-types-core.h
causes problems when qerror.h or error.h includes qapi-types.h.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2012-08-13 13:20:58 -03:00
Blue Swirl
427a1a2cb1 qapi: avoid reserved keywords
Clang compiler complained about use of reserved word 'restrict' in SLIRP
and QAPI.

Prefix C keywords with "q_", adjust SLIRP accordingly.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-09 18:34:57 +00:00
Luiz Capitulino
e0d45df7a5 qapi: qapi.py: allow the "'" character to be escaped
Support escaping the escape character, and make more robust (don't die
for '', handle ' without matching '.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-08-01 18:09:29 -03:00
Anthony Liguori
a21143486b Merge remote-tracking branch 'stefanha/net' into staging
* stefanha/net:
  remove unused QemuOpts parameter from net init functions
  convert net_init_bridge() to NetClientOptions
  convert net_init_tap() to NetClientOptions
  convert net_init_vde() to NetClientOptions
  convert net_init_socket() to NetClientOptions
  convert net_init_slirp() to NetClientOptions
  convert net_init_dump() to NetClientOptions
  convert net_init_nic() to NetClientOptions
  convert net_client_init() to OptsVisitor
  hw, net: "net_client_type" -> "NetClientOptionsKind" (qapi-generated)
  qapi schema: add Netdev types
  qapi schema: remove trailing whitespace
  qapi: introduce OptsVisitor
  expose QemuOpt and QemuOpts struct definitions to interested parties
  qapi: introduce "size" type
  qapi: generate C types for fixed-width integers
  qapi: add test case for deallocating traversal of incomplete structure
  qapi: fix error propagation
  MAINTAINERS: Replace net maintainer Mark McLoughlin with Stefan Hajnoczi
2012-07-23 13:15:34 -05:00
Laszlo Ersek
092705d4eb qapi: introduce "size" type
v1->v2:
- fall back to uint64 rather than int

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-07-23 11:55:17 +01:00
Laszlo Ersek
c46f18ce2b qapi: generate C types for fixed-width integers
(Long line folded using parens:
<http://www.python.org/dev/peps/pep-0008/#maximum-line-length>.)

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-07-23 11:55:17 +01:00
Paolo Bonzini
d195325b05 qapi: fix error propagation
Don't overwrite / leak previously set errors.
Make traversal cope with missing mandatory sub-structs.
Don't try to end a container that could not be started.

v1->v2:
- unchanged

v2->v3:
- instead of examining, assert that we never overwrite errors with
  error_set()
- allow visitors to set a NULL struct pointer successfully, so traversal
  of incomplete objects can continue
- check for a NULL "obj" before accessing "(*obj)->has_XXX" (this is not a
  typo, "obj != NULL" implies "*obj != NULL" here)
- fix start_struct / end_struct balance for unions as well

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-07-23 11:55:17 +01:00
Harsh Prateek Bora
90a147a275 Update simpletrace.py for new log format
Support new tracelog format for multiple arguments and strings.

Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-07-19 11:34:33 +01:00
Harsh Prateek Bora
62bab73213 Simpletrace v2: Support multiple arguments, strings.
Existing simpletrace backend allows to trace at max 6 args and does not
support strings. This newer tracelog format gets rid of fixed size records
and therefore allows to trace variable number of args including strings.

Sample trace with strings:
v9fs_version 0.000 tag=0xffff id=0x64 msize=0x2000 version=9P2000.L
v9fs_version_return 6.705 tag=0xffff id=0x64 msize=0x2000 version=9P2000.L

Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-07-19 11:34:33 +01:00
Anthony Liguori
34bb443ee7 build: add make dist target (v2)
Let's stop screwing up releases by having a script do the work that Anthony's
fat fingers can't seem to get right.

Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-07-17 15:43:16 -05:00
Anthony Liguori
e0a3dc7cde Merge remote-tracking branch 'stefanha/trivial-patches' into staging
* stefanha/trivial-patches:
  tci: Support INDEX_op_bswap64_i64
  target-i386: Use QEMU instead of Qemu
  Makefile.hw: avoid overly large 'make clean' rm command
  configure: Fix typo
  arm_gic: Send dbg msgs to stderr not stdout
  checkpatch: Add QEMU specific rule
  qemu-config: Use QEMU instead of Qemu
  libqtest: Fix socket_accept() to pass address_len
  Makefile.user: Define CONFIG_USER_ONLY for libuser/
  Makefile: Remove macro qapi-dir
  Makefile: Remove BUILD_DIR from qapi-dir
  Install 'bepo' keymap already included in Qemu source
2012-06-26 15:09:47 -05:00
Stefan Weil
9964d8f942 checkpatch: Add QEMU specific rule
The new rule detects two wrong variants of QEMU.
It was tested with commit b5a8fe5e.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-06-22 09:41:31 +01:00
Jens Freimann
c5854acb75 s390: make kvm_stat work on s390
Add s390_exit_reasons so kvm_stat doesn't crash when called on s390.
Look for 'vendor_id' in /proc/cpuinfo as well, instead of just for
'flags', so we can determine if we run on S390.

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-18 15:32:45 +02:00
Anthony Liguori
74f4d2279b Merge remote-tracking branch 'qemu-kvm/uq/master' into staging
* qemu-kvm/uq/master:
  virtio/vhost: Add support for KVM in-kernel MSI injection
  msix: Add msix_nr_vectors_allocated
  kvm: Enable use of kvm_irqchip_in_kernel in hwlib code
  kvm: Introduce kvm_irqchip_add/remove_irqfd
  kvm: Make kvm_irqchip_commit_routes an internal service
  kvm: Publicize kvm_irqchip_release_virq
  kvm: Introduce kvm_irqchip_add_msi_route
  kvm: Rename kvm_irqchip_add_route to kvm_irqchip_add_irq_route
  msix: Introduce vector notifiers
  msix: Invoke msix_handle_mask_update on msix_mask_all
  msix: Factor out msix_get_message
  kvm: update vmxcap for EPT A/D, INVPCID, RDRAND, VMFUNC
  kvm: Enable in-kernel irqchip support by default
  kvm: Add support for direct MSI injections
  kvm: Update kernel headers
  kvm: x86: Wire up MSI support for in-kernel irqchip
  pc: Enable MSI support at APIC level
  kvm: Introduce basic MSI support for in-kernel irqchips
  Introduce MSIMessage structure
  kvm: Refactor KVMState::max_gsi to gsi_count
2012-06-03 07:56:23 +08:00
Avi Kivity
287d55c676 kvm: update vmxcap for EPT A/D, INVPCID, RDRAND, VMFUNC
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-05-17 23:30:02 -03:00
Luiz Capitulino
d34b867d81 qapi: add support for command options
Options allow for changes in commands behavior. This commit introduces
the QCO_NO_SUCCESS_RESP option, which causes a command to not emit a
success response.

This is needed by commands such as qemu-ga's guest-shutdown, which
may not be able to complete before the VM vanishes. In this case, it's
useful and simpler not to bother sending a success response.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2012-05-15 09:15:16 -05:00