Commit Graph

71153 Commits

Author SHA1 Message Date
Kővágó, Zoltán
8a435f7478 paaudio: do not move stream when sink/source name is specified
Unless we disable stream moving, pulseaudio can easily move the stream
on connect, effectively ignoring the source/sink specified by the user.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: c245929463e6e46a48b2875a150815e2ccba11b4.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Kővágó, Zoltán
af2041ed2d audio: audiodev= parameters no longer optional when -audiodev present
This means you should probably stop using -soundhw (as it doesn't allow
you to specify any options) and add the device manually with -device.
The exception is pcspk, it's currently not possible to manually add it.
To use it with audiodev, use something like this:

    -audiodev id=foo,... -global isa-pcspk.audiodev=foo -soundhw pcspk

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 9072b955acffda13976bca7b61f86d7f708c9269.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Kővágó, Zoltán
9d34e6d8a1 paaudio: prepare for multiple audiodev
Have a pool of refcounted connections per server, so if the user creates
multiple audiodevs to the same pa server, it will use a single connection.  (It
will still create different streams, so the user can manage those streams
separately in pulseaudio.)

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: d43218f327c62cdbd16ea0c922612025fbc4805e.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Kővágó, Zoltán
88e47b9a45 audio: add audiodev properties to frontends
Finally add audiodev= options to audio frontends so users can specify
which backend to use when multiple backends exist.  Not specifying an
audiodev= option currently causes the first audiodev to be used, this is
fixed in the next commit.

Example usage: -audiodev pa,id=foo -device AC97,audiodev=foo

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: d64db52dda2d0e9d97bc5ab1dd9adf724280fea1.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Kővágó, Zoltán
f0b9f36d71 audio: add audiodev property to vnc and wav_capture
Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 8cbc9e865bbf40850c14340fc0549e6ac2d5fe9c.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Kővágó, Zoltán
ecd97e9592 audio: basic support for multi backend audio
Audio functions no longer access glob_audio_state, instead they get an
AudioState as a parameter.  This is required in order to support
multiple backends.

glob_audio_state is also gone, and replaced with a tailq so we can store
more than one states.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 67aef54f9e729a7160fe95c465351115e392164b.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Kővágó, Zoltán
526fb0581e audio: reduce glob_audio_state usage
Remove glob_audio_state from functions, where possible without breaking
the API.  This means that most static functions in audio.c now take an
AudioState pointer instead of implicitly using glob_audio_state.  Also
included a pointer in SWVoice*, HWVoice* structs, so that functions
dealing them can know the audio state without having to pass it around
separately.

This is required in order to support multiple simultaneous audio
backends (added in a later commit).

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: b5e241f24e795267b145bcde7c6a72dd5e6037ea.1566168923.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:13:37 +02:00
Stefan Weil
e463494145 audio: Add missing fall through comments
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190718193441.12490-1-sw@weilnetz.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-21 09:12:32 +02:00
Peter Maydell
17dc579903 - Improvements for the Kconfig switches and Makefiles
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2019-08-20' into staging

- Improvements for the Kconfig switches and Makefiles

# gpg: Signature made Tue 20 Aug 2019 08:26:41 BST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2019-08-20:
  hw/core: Add a config switch for the generic loader device
  hw/misc: Add a config switch for the "unimplemented" device
  hw/core: Add a config switch for the "split-irq" device
  hw/core: Add a config switch for the "or-irq" device
  hw/core: Add a config switch for the "register" device
  hw/dma: Do not build the xlnx_dpdma device for the MicroBlaze machines
  hw/intc: Only build the xlnx-iomod-intc device for the MicroBlaze PMU
  hw/Kconfig: Move the generic XLNX_ZYNQMP to the root hw/Kconfig

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-20 14:14:20 +01:00
Peter Maydell
bbd69d36d1 MIPS queue for August 20th, 2019
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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-aug-20-2019' into staging

MIPS queue for August 20th, 2019

# gpg: Signature made Mon 19 Aug 2019 19:07:18 BST
# gpg:                using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [unknown]
# 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: 8526 FBF1 5DA3 811F 4A01  DD75 D497 2A89 67F7 5A65

* remotes/amarkovic/tags/mips-queue-aug-20-2019:
  target/mips: tests/tcg: Fix target configurations for MSA tests
  target/mips: tests/tcg: Add optional printing of more detailed failure info
  target/mips: Style improvements in mips_mipssim.c
  target/mips: Style improvements in mips_malta.c
  target/mips: Style improvements in mips_int.c
  target/mips: Style improvements in mips_fulong2e.c
  target/mips: Style improvements in cps.c
  target/mips: Style improvements in translate.c
  target/mips: Style improvements in machine.c
  target/mips: Style improvements in cpu.c
  target/mips: Style improvements in cp0_timer.c

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-20 13:40:48 +01:00
Peter Maydell
156d320349 Block patches:
- preallocation=falloc/full support for LUKS
 - Various minor fixes
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Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2019-08-19' into staging

Block patches:
- preallocation=falloc/full support for LUKS
- Various minor fixes

# gpg: Signature made Mon 19 Aug 2019 16:36:45 BST
# gpg:                using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40
# gpg:                issuer "mreitz@redhat.com"
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2019-08-19:
  doc: Preallocation does not require writing zeroes
  iotests: Fix 141 when run with qed
  vpc: Do not return RAW from block_status
  vmdk: Make block_status recurse for flat extents
  vdi: Make block_status recurse for fixed images
  iotests: Full mirror to existing non-zero image
  iotests: Test convert -n to pre-filled image
  iotests: Convert to preallocated encrypted qcow2
  vhdx: Fix .bdrv_has_zero_init()
  vdi: Fix .bdrv_has_zero_init()
  qcow2: Fix .bdrv_has_zero_init()
  block: Use bdrv_has_zero_init_truncate()
  block: Implement .bdrv_has_zero_init_truncate()
  block: Add bdrv_has_zero_init_truncate()
  mirror: Fix bdrv_has_zero_init() use
  qemu-img: Fix bdrv_has_zero_init() use in convert
  LUKS: support preallocation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-20 10:27:24 +01:00
Thomas Huth
f874d72935 hw/core: Add a config switch for the generic loader device
The generic loader device is completely optional. Let's add a proper
config switch for it so that people can disable it if they don't need
it and want to create a minimalistic QEMU binary.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190817101931.28386-9-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-20 09:11:17 +02:00
Thomas Huth
5aa78a8957 hw/misc: Add a config switch for the "unimplemented" device
The device is only used by some few boards. Let's use a proper Kconfig
switch so that we only compile this code if we really need it.

Message-Id: <20190817101931.28386-8-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-20 09:11:17 +02:00
Thomas Huth
853c01672b hw/core: Add a config switch for the "split-irq" device
The "split-irq" device is currently only used by machines that use
CONFIG_ARMSSE. Let's add a proper CONFIG_SPLIT_IRQ switch for this
so that it only gets compiled when we really need it.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190817101931.28386-7-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-20 09:11:17 +02:00
Thomas Huth
282467f419 hw/core: Add a config switch for the "or-irq" device
The "or-irq" device is only used by certain machines. Let's add
a proper config switch for it so that it only gets compiled when we
really need it.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190817101931.28386-6-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-20 09:11:17 +02:00
Thomas Huth
883e150f62 hw/core: Add a config switch for the "register" device
The "register" device is only used by certain machines. Let's add
a proper config switch for it so that it only gets compiled when we
really need it.

Message-Id: <20190817101931.28386-5-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-20 09:11:05 +02:00
Philippe Mathieu-Daudé
f78bf4f941 hw/dma: Do not build the xlnx_dpdma device for the MicroBlaze machines
The xlnx_dpdma device is only used by the ZynqMP AArch64 machine
(not the MicroBlaze PMU). Remove it from the ZynqMP generic objects.
(Note, this entry was duplicated for the AArch64).

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190427141459.19728-4-philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-19 21:28:25 +02:00
Philippe Mathieu-Daudé
604b3a7c51 hw/intc: Only build the xlnx-iomod-intc device for the MicroBlaze PMU
The Xilinx I/O Module Interrupt Controller is only used by the
MicroBlaze PMU, not by the AArch64 machine.
Move it from the generic ZynqMP object list to the PMU specific.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190427141459.19728-3-philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-19 21:28:25 +02:00
Philippe Mathieu-Daudé
193d78a19a hw/Kconfig: Move the generic XLNX_ZYNQMP to the root hw/Kconfig
The XLNX_ZYNQMP config is used in multiple subdirectories
(timer, intc). Move it to the root hw/Kconfig.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190427141459.19728-2-philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2019-08-19 21:28:25 +02:00
Aleksandar Markovic
6eed53f71b target/mips: tests/tcg: Fix target configurations for MSA tests
At this moment, the only MIPS CPUs that are emulated in QEMU and
support MSA extension are R5600 (mips32r5), and I6400/I6500 (mips64r6).
Therefore, mips32r5 and mips64r6 are the only ISAs that could support
MSA in QEMU. This means mips32r6 currently do not make much sense, and
mips32r5 support for MSA tests is needed, which is done by this patch.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-38-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
d7059fd737 target/mips: tests/tcg: Add optional printing of more detailed failure info
There is a need for printing input and output data for failure cases,
for debugging purpose. This is achieved by this patch, and only if a
preprocessor constant is manually set to 1. (Assumption is that the
need for such printout is relatively rare.)

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-37-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
33dd6f442d target/mips: Style improvements in mips_mipssim.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-17-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
94818443cf target/mips: Style improvements in mips_malta.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-16-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
6c06ea4cec target/mips: Style improvements in mips_int.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-15-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
a4cbd0da37 target/mips: Style improvements in mips_fulong2e.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-14-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
f5c3fbfca5 target/mips: Style improvements in cps.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-13-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
71375b5924 target/mips: Style improvements in translate.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1566216496-17375-12-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
eca3cbb847 target/mips: Style improvements in machine.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1566216496-17375-10-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
cf02a11648 target/mips: Style improvements in cpu.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1566216496-17375-8-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Aleksandar Markovic
2f0d019672 target/mips: Style improvements in cp0_timer.c
Fixes mostly errors and warnings reported by 'checkpatch.pl -f'.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1566216496-17375-7-git-send-email-aleksandar.markovic@rt-rk.com>
2019-08-19 19:53:37 +02:00
Peter Maydell
6894576347 Implement parameter fields.
Push warning pragmas into the generated code.
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Merge remote-tracking branch 'remotes/rth/tags/pull-dt-20190819' into staging

Implement parameter fields.
Push warning pragmas into the generated code.

# gpg: Signature made Mon 19 Aug 2019 16:14:41 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-dt-20190819:
  target/riscv: Remove redundant declaration pragmas
  decodetree: Suppress redundant declaration warnings
  decodetree: Allow !function with no input bits

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-19 16:55:30 +01:00
Max Reitz
fa27c47810 doc: Preallocation does not require writing zeroes
When preallocating an encrypted qcow2 image, it just lets the protocol
driver write data and then does not mark the clusters as zero.
Therefore, reading this image will yield effectively random data.

As such, we have not fulfilled the promise of always writing zeroes when
preallocating an image in a while.  It seems that nobody has really
cared, so change the documentation to conform to qemu's actual behavior.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190711132935.13070-1-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
9c46f4a06d iotests: Fix 141 when run with qed
69f47505ee has changed qcow2 in such a way that the commit job run in
test 141 (and 144[1]) returns before it emits the READY event.  However,
141 also runs with qed, where the order is still the other way around.
Just filter out the {"return": {}} so the test passes for qed again.

[1] 144 only runs with qcow2, so it is fine as it is.

Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Fixes: 69f47505ee
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190809185253.17535-1-mreitz@redhat.com
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
fbc8e1b7e4 vpc: Do not return RAW from block_status
vpc is not really a passthrough driver, even when using the fixed
subformat (where host and guest offsets are equal).  It should handle
preallocation like all other drivers do, namely by returning
DATA | RECURSE instead of RAW.

There is no tangible difference but the fact that bdrv_is_allocated() no
longer falls through to the protocol layer.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190725155512.9827-4-mreitz@redhat.com
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
4dd84ac9a7 vmdk: Make block_status recurse for flat extents
Fixes: 69f47505ee
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190725155512.9827-3-mreitz@redhat.com
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
ad6434dc62 vdi: Make block_status recurse for fixed images
Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Fixes: 69f47505ee
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190725155512.9827-2-mreitz@redhat.com
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
9463ee1f5f iotests: Full mirror to existing non-zero image
The result of a sync=full mirror should always be the equal to the
input.  Therefore, existing images should be treated as potentially
non-zero and thus should be explicitly initialized to be zero
beforehand.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-12-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
c2acc95bef iotests: Test convert -n to pre-filled image
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-11-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
5a840549ee iotests: Convert to preallocated encrypted qcow2
Add a test case for converting an empty image (which only returns zeroes
when read) to a preallocated encrypted qcow2 image.
qcow2_has_zero_init() should return 0 then, thus forcing qemu-img
convert to create zero clusters.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Tested-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20190724171239.8764-10-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
9956688a8f vhdx: Fix .bdrv_has_zero_init()
Fixed VHDX images cannot guarantee to be zero-initialized.  If the image
has the "fixed" subformat, forward the call to the underlying storage
node.

Reported-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-9-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
0a28bf2826 vdi: Fix .bdrv_has_zero_init()
Static VDI images cannot guarantee to be zero-initialized.  If the image
has been statically allocated, forward the call to the underlying
storage node.

Reported-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Tested-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20190724171239.8764-8-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
38841dcd27 qcow2: Fix .bdrv_has_zero_init()
If a qcow2 file is preallocated, it can no longer guarantee that it
initially appears as filled with zeroes.

So implement .bdrv_has_zero_init() by checking whether the file is
preallocated; if so, forward the call to the underlying storage node,
except for when it is encrypted: Encrypted preallocated images always
return effectively random data, so .bdrv_has_zero_init() must always
return 0 for them.

.bdrv_has_zero_init_truncate() can remain bdrv_has_zero_init_1(),
because it presupposes PREALLOC_MODE_OFF.

Reported-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-7-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
b647d69adc block: Use bdrv_has_zero_init_truncate()
vhdx and parallels call bdrv_has_zero_init() when they do not really
care about an image's post-create state but only about what happens when
you grow an image.  That is a bit ugly, and also overly safe when
growing preallocated images without preallocating the new areas.

Let them use bdrv_has_zero_init_truncate() instead.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-6-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
[mreitz: Added commit message]
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
1dcaf52760 block: Implement .bdrv_has_zero_init_truncate()
We need to implement .bdrv_has_zero_init_truncate() for every block
driver that supports truncation and has a .bdrv_has_zero_init()
implementation.

Implement it the same way each driver implements .bdrv_has_zero_init().
This is at least not any more unsafe than what we had before.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-5-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
ceaca56fee block: Add bdrv_has_zero_init_truncate()
No .bdrv_has_zero_init() implementation returns 1 if growing the file
would add non-zero areas (at least with PREALLOC_MODE_OFF), so using it
in lieu of this new function was always safe.

But on the other hand, it is possible that growing an image that is not
zero-initialized would still add a zero-initialized area, like when
using nonpreallocating truncation on a preallocated image.  For callers
that care only about truncation, not about creation with potential
preallocation, this new function is useful.

Alternatively, we could have added a PreallocMode parameter to
bdrv_has_zero_init().  But the only user would have been qemu-img
convert, which does not have a plain PreallocMode value right now -- it
would have to parse the creation option to obtain it.  Therefore, the
simpler solution is to let bdrv_has_zero_init() inquire the
preallocation status and add the new bdrv_has_zero_init_truncate() that
presupposes PREALLOC_MODE_OFF.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-4-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
cdf3bc934a mirror: Fix bdrv_has_zero_init() use
bdrv_has_zero_init() only has meaning for newly created images or image
areas.  If the mirror job itself did not create the image, it cannot
rely on bdrv_has_zero_init()'s result to carry any meaning.

This is the case for drive-mirror with mode=existing and always for
blockdev-mirror.

Note that we only have to zero-initialize the target with sync=full,
because other modes actually do not promise that the target will contain
the same data as the source after the job -- sync=top only promises to
copy anything allocated in the top layer, and sync=none will only copy
new I/O.  (Which is how mirror has always handled it.)

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-3-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Max Reitz
4d7c487eac qemu-img: Fix bdrv_has_zero_init() use in convert
bdrv_has_zero_init() only has meaning for newly created images or image
areas.  If qemu-img convert did not create the image itself, it cannot
rely on bdrv_has_zero_init()'s result to carry any meaning.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-2-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Maxim Levitsky
672de729a1 LUKS: support preallocation
preallocation=off and preallocation=metadata
both allocate luks header only, and preallocation=falloc/full
is passed to underlying file.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1534951

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20190716161901.1430-1-mlevitsk@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2019-08-19 17:13:26 +02:00
Richard Henderson
59a3a1c0c2 target/riscv: Remove redundant declaration pragmas
These are now generated by decodetree itself.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-08-19 08:13:14 -07:00
Richard Henderson
c692079597 decodetree: Suppress redundant declaration warnings
We can tell that a decodetree input file is "secondary" when it
uses an argument set marked "!extern".  This indicates that at
least one of the insn translation functions will have already
been declared by the "primary" input file, but given only the
secondary we cannot tell which.

Avoid redundant declaration warnings by suppressing them with pragmas.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Suggested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-08-19 08:13:14 -07:00