The automatic dependency handling for Sphinx manuals only makes the output
depend on the input documentation files. This means that if you edit
the Python source of an extension then the documentation won't be
rebuilt.
Create a list of all the source files for the extensions and add
it to the dependencies for the manuals. This is similar to how we
handle the qapi_gen_depends list.
Because we don't try to identify which manuals are using which
Sphinx extensions, a change to the source of one extension will
always rebuild the entire manual set, not merely the manuals
which have changed. This is acceptable because we don't change
the extensions all that often.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-15-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Re rebuilding the enitre manual set being acceptable "because we
don't change the extensions all that often": we also rebuild it when
the QAPI generator code the qapidoc extension depends on changes.
This will inconvenience QAPI developers. Can't be helped now.]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
We're going to want to use SPHINX_ARGS in both docs/meson.build
and tests/qapi-schema/meson.build. Move the definition up to the
top level file so it is available to both subdirectories.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-14-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
doc-good.json currently uses the old *strong* and _emphasis_ markup.
As part of the conversion to rST this needs to switch to **strong**
and *emphasis*, because rST uses underscores as part of its markup
of hyperlinks and will otherwise warn about the syntax error.
In commit a660eed482 we fixed up the in-tree uses of the
old markup:
1) _this_ was replaced with *this*
2) the only in-tree use of *this* was left alone (turning
a 'strong' into an 'emphasis')
(and so currently in-tree nothing is using either new-style
**strong** or old-style _emphasis_).
Update doc-good.json in a similar way:
1) replace _this_ with *this*
2) remove the usage of old-style *this*
(This slightly reduces the coverage for the old Texinfo generator,
which is about to go away, but is fine for the new rST generator
because that does not need to handle strong/emphasis itself because
it is simply passing the entire text as raw rST to Sphinx.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-13-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Add some section headings to the QGA json; this is purely so that we
have some H1 headings, as otherwise each command ends up being
visible in the interop/ manual's table of contents. In an ideal
world there might be a proper 'Introduction' section the way there is
in qapi/qapi-schema.json.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-12-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
There are exactly two places in our json doc comments where we
use the markup accepted by the texi doc generator where a '|' in
the first line of a doc comment means the line should be emitted
as a literal block (fixed-width font, whitespace preserved).
Since we use this syntax so rarely, instead of making the rST
generator support it, instead just convert the two uses to
rST-format literal blocks, which are indented and introduced
with '::'.
(The rST generator doesn't complain about the old style syntax,
it just emits it with the '|' and with the whitespace not
preserved, which looks odd, but means we can safely leave this
change until after we've stopped generating texinfo.)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-11-peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Convert qemu-qmp-ref to rST format. This includes dropping
the plain-text, pdf and info format outputs for this document;
as with all our other Sphinx-based documentation, we provide
HTML and manpage only.
The qemu-qmp-ref.rst is somewhat more stripped down than
the .texi was, because we do not (currently) attempt to
generate indexes for the commands, events and data types
being documented.
Again, we drop the direct link from index.html.in now that
the QMP ref is part of the interop manual.
This commit removes the code from the root meson.build file that
handled the various Texinfo-based outputs, because we no longer
generate any documentation except for the Sphinx HTML manuals and the
manpages, and the code can't handle having an empty list of files
to process.. We'll do further cleanup of the remainders of
Texinfo support in subsequent commits.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-10-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Unicode legacy literal dumbed down to plain string literal, TODO
comment on displaying QEMU version added, "make html" fixed,
storage-daemon/qapi/meson.build updated]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Convert qemu-ga-ref to rST format. This includes dropping
the plain-text, pdf and info format outputs for this document;
as with all our other Sphinx-based documentation, we provide
HTML and manpage only.
The qemu-ga-ref.rst is somewhat more stripped down than
the .texi was, because we do not (currently) attempt to
generate indexes for the commands, events and data types
being documented.
As the GA ref is now part of the Sphinx 'interop' manual,
we can delete the direct link from index.html.in.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-9-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Unicode legacy literal dumbed down to plain string literal, TODO
comment on displaying QEMU version added]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Some of our documentation is auto-generated from documentation
comments in the JSON schema.
For Sphinx, rather than creating a file to include, the most natural
way to handle this is to have a small custom Sphinx extension which
processes the JSON file and inserts documentation into the rST
file being processed.
This is the same approach that kerneldoc and hxtool use.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-8-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Comment and doc string formatting tweaked, unused method dropped,
a few line breaks tweaked to follow PEP 8 more closely, MAINTAINERS
section QAPI updated]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
For rST, '*' is a kind of inline markup (for emphasis), so
"*-softmmu" is a syntax error because of the missing closing '*'.
Escape the '*' with a '\'.
The texinfo document generator will leave the '\' in the
output, which is not ideal, but that generator is going to
go away in a subsequent commit.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-7-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Make the handling of indentation in doc comments more sophisticated,
so that when we see a section like:
Notes: some text
some more text
indented line 3
we save it for the doc-comment processing code as:
some text
some more text
indented line 3
and when we see a section with the heading on its own line:
Notes:
some text
some more text
indented text
we also accept that and save it in the same form.
If we detect that the comment document text is not indented as much
as we expect it to be, we throw a parse error. (We don't complain
about over-indented sections, because for rST this can be legitimate
markup.)
The golden reference for the doc comment text is updated to remove
the two 'wrong' indents; these now form a test case that we correctly
stripped leading whitespace from an indented multi-line argument
definition.
We update the documentation in docs/devel/qapi-code-gen.txt to
describe the new indentation rules.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-6-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Whitespace between sentences tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
As we accumulate lines from doc comments when parsing the JSON, the
QAPIDoc class generally strips leading and trailing whitespace using
line.strip() when it calls _append_freeform(). This is fine for
Texinfo, but for rST leading whitespace is significant. We'd like to
move to having the text in doc comments be rST format rather than a
custom syntax, so move the removal of leading whitespace from the
QAPIDoc class to the texinfo-specific processing code in
texi_format() in qapi/doc.py.
(Trailing whitespace will always be stripped by the rstrip() in
Section::append regardless.)
In a followup commit we will make the whitespace in the lines of doc
comment sections more consistently follow the input source.
There is no change to the generated .texi files before and after this
commit.
Because the qapi-schema test checks the exact values of the
documentation comments against a reference, we need to update that
reference to match the new whitespace. In the first four places this
is now correctly checking that we did put in the amount of whitespace
to pass a rST-formatted list to the backend; in the last two places
the extra whitespace is 'wrong' and will go away again in the
following commit.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-5-peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
doc-good.json tests doc comment parser corner cases. We're about to
largely replace it by a Sphinx extension, which will have different
corner cases. Tweak the test so it passes both with the old parser
and the Sphinx extension, by making it match the more restrictive
rST syntax:
* in a single list the bullet types must all match
* lists must have leading and following blank lines
* the rules on when and where indentation matters differ
* the '|' example syntax is going to go away entirely, so stop
testing it
This will avoid the tests spuriously breaking when we tighten up the
parser code in the following commits.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-4-peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
The block-latency-histogram-set command is the only one which uses
the Example/Examples section with the first line of the documentation
immediately following the ':'. Bring it into line with the rest.
This will allow us to avoid special-casing the indentation handling
for "Examples" sections; instead for Examples as for any other section
header these two indentations will be equivalent:
Examples:
Line one
Line two
Examples: Line one
Line two
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-3-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
In commit 26ec4e53f2 and similar commits we fixed the indentation
for doc comments in our qapi json files to follow a new stricter
standard for indentation, which permits only:
@arg: description line 1
description line 2
or:
@arg:
line 1
line 2
but because the script updates that enforce this are not yet in the
tree we have had a steady trickle of subsequent changes which didn't
follow the new rules.
Fix the latest round of mis-indented doc comments.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200925162316.21205-2-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Updated for commit 4c437254b8 and a83e24ba1a]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.
Extracting the PCI commands to their own schema reduces the size of
the qapi-misc* headers generated, and pulls less QAPI-generated code
into user-mode.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-9-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.
Extracting the ACPI commands to their own schema reduces the size of
the qapi-misc* headers generated, and pulls less QAPI-generated code
into user-mode.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-8-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.
Restricting the memory commands to machine.json pulls less
QAPI-generated code into user-mode.
Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-7-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.
Restricting the query-uuid command to machine.json pulls less
QAPI-generated code into user-mode.
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-6-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.
Restricting the query-vm-generation-id command to machine.json pulls
less QAPI-generated code into user-mode.
Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-5-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.
Restricting the balloon-related commands to machine.json pulls less
QAPI-generated code into user-mode.
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-4-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
The documentation incorrectly uses the "size of the balloon"
description when it should be "logical size of the VM". Fix it.
The relation between both values is:
logical_vm_size = vm_ram_size - balloon_size
Reported-by: David Hildenbrand <david@redhat.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-3-philmd@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Restricting LostTickPolicy to machine.json pulls slightly less
QAPI-generated code into user-mode.
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-2-philmd@redhat.com>
[Add rationale to commit message]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
My last pull included a ton of useless files by mistake.
Drop them all.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
acpi: fixup
My last pull included a ton of useless files by mistake.
Drop them all.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 29 Sep 2020 12:12:20 BST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream:
tests/acpi: drop unnecessary files
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The last pull added a ton of useless files by mistake.
Drop them all.
Fixes: 0ed93f4c05 ("update golden master DSDT binary table blobs for q35")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fixes and tests all over the place.
Batch iommu updates for vdpa.
Removal of deprecated cpu hotplug commands.
SMBIOS OEM string support.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio,pc,acpi: fixes, tests
Fixes and tests all over the place.
Batch iommu updates for vdpa.
Removal of deprecated cpu hotplug commands.
SMBIOS OEM string support.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 29 Sep 2020 08:09:21 BST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (48 commits)
libvhost-user: return on error in vu_log_queue_fill()
libvhost-user: return early on virtqueue errors
hw: virtio-pmem: detach the element fromt the virtqueue when error occurs
tests/acpi: update golden master DSDT binary table blobs for q35
piix4: don't reserve hw resources when hotplug is off globally
Add ACPI DSDT tables for q35 that are being updated by the next patch
tests/acpi: add newly added acpi DSDT table blob for pci bridge hotplug flag
tests/acpi: unit test for 'acpi-pci-hotplug-with-bridge-support' bridge flag
tests/acpi: list added acpi table binary file for pci bridge hotplug test
i440fx/acpi: do not add hotplug related amls for cold plugged bridges
Fix a gap where acpi_pcihp_find_hotplug_bus() returns a non-hotpluggable bus
tests/acpi: add a new ACPI table in order to test root pci hotplug on/off
tests/acpi: add new unit test to test hotplug off/on feature on the root pci bus
tests/acpi: mark addition of table DSDT.roothp for unit testing root pci hotplug
vhost-user: save features of multiqueues if chardev is closed
qemu-options: document SMBIOS type 11 settings
hw/smbios: report error if table size is too large
hw/smbios: support loading OEM strings values from a file
tests: acpi: update acpi blobs with new AML
x68: acpi: trigger SMI before sending hotplug Notify event to OSPM
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
One patch in the last pull broke test 068 which
does a pair of vmload's.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20200928a' into staging
Migration: Revert one patch for 068 fix
One patch in the last pull broke test 068 which
does a pair of vmload's.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
# gpg: Signature made Mon 28 Sep 2020 16:19:17 BST
# gpg: using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7
* remotes/dgilbert/tags/pull-migration-20200928a:
Revert "migration: Properly destroy variables on incoming side"
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allows to switch the (vga mode) framebuffer into bigendian mode
by setting the property, simliar to stdvga.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200928085335.21961-2-kraxel@redhat.com
With upcoming Spice server version 0.14.4, the monitor configuration can
contain additional fields for the monitor physical dimensions.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-6-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Introduced in commit 9c956e6461 ("spice:
prepare for upcoming spice-server change"), the new logic never
materialized in the spice server source tree. Let's remove it for now,
until it actually changes in Spice.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-5-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The following patch is going to introduce extra fields / details to
UIInfo. Add a getter and keep the current values, instead of memset(0)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-4-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Replace dpi with width_mm/height_mm in qemu_edid_info.
Use it when set (non-zero) to compute the DPI and generate the EDID.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-3-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Divide the resolution by the DPI, and multiply to mm.
Note the computation done for edid[21/22] is correct (in cm).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-2-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When resetting virtio-gpu, virgl_renderer_reset() should be
called to ensure that the virglrenderer status is correct.
Signed-off-by: Guoqing Zhang <zhangguoqing.kernel@bytedance.com>
Reviewed-by: Qi Liu<liuqi.16@bytedance.com>
Message-id: 20200918111632.37354-1-zhangguoqing.kernel@bytedance.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
vu_panic() is not guaranteed to exit the program. Return early when
errors are encountered.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200921113420.154378-3-stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
vu_panic() is not guaranteed to exit the program. Return early when
errors are encountered.
Note that libvhost-user does not have an "unmap" operation for mapped
descriptors. Therefore it is correct to return without explicit cleanup.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200921113420.154378-2-stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
If error occurs while processing the virtio request we should call
'virtqueue_detach_element' to detach the element from the virtqueue
before free the elem.
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20200813165125.59928-1-liq3ea@163.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fixes: 5f503cd9f3 ("virtio-pmem: add virtio device")
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
In the previously applied commit ("piix4: don't reserve hw resources when
hotplug is off globally"), we make changes to the ACPI DSDT tables
such that some ACPI code are not generated when bsel is absent. Since
as of this point in time, in q35 machines, we do not use bsel for pci
buses, we need to update the DSDT table blobs.
This patch updates the DSDT golden master tables for q35 machines.
At the same time, we clear bios-tables-test-allowed-diff.h for future
changes which update tables.
Following is a typical diff between the q35 acpi DSDT table blobs:
@@ -1,30 +1,30 @@
/*
* Intel ACPI Component Architecture
* AML/ASL+ Disassembler version 20180105 (64-bit version)
* Copyright (c) 2000 - 2018 Intel Corporation
*
* Disassembling to symbolic ASL+ operators
*
- * Disassembly of tests/data/acpi/q35/DSDT, Tue Sep 15 18:52:47 2020
+ * Disassembly of /tmp/aml-3O0DR0, Tue Sep 15 18:52:47 2020
*
* Original Table Header:
* Signature "DSDT"
- * Length 0x00001DFE (7678)
+ * Length 0x00001DF6 (7670)
* Revision 0x01 **** 32-bit table (V1), no 64-bit math support
- * Checksum 0xAC
+ * Checksum 0x17
* OEM ID "BOCHS "
* OEM Table ID "BXPCDSDT"
* OEM Revision 0x00000001 (1)
* Compiler ID "BXPC"
* Compiler Version 0x00000001 (1)
*/
DefinitionBlock ("", "DSDT", 1, "BOCHS ", "BXPCDSDT", 0x00000001)
{
Scope (\)
{
OperationRegion (DBG, SystemIO, 0x0402, One)
Field (DBG, ByteAcc, NoLock, Preserve)
{
DBGB, 8
}
@@ -3113,24 +3113,20 @@
Name (_ADR, 0x00010000) // _ADR: Address
Method (_S1D, 0, NotSerialized) // _S1D: S1 Device State
{
Return (Zero)
}
Method (_S2D, 0, NotSerialized) // _S2D: S2 Device State
{
Return (Zero)
}
Method (_S3D, 0, NotSerialized) // _S3D: S3 Device State
{
Return (Zero)
}
}
-
- Method (PCNT, 0, NotSerialized)
- {
- }
}
}
}
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-12-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When acpi hotplug is turned off for both root pci bus as well as for pci
bridges, we should not generate the related ACPI code for DSDT table or
initialize related hw ports or reserve hw resources. This change makes
sure all those operations are turned off in the case ACPI pci hotplug is
off globally.
In this change, we also make sure ACPI code for the PCNT method are only
added when bsel is enabled for the corresponding pci bus or bridge hotplug
is turned on.
As q35 machines do not use bsel for it's pci buses at this point in time, this
change affects DSDT acpi table for q35 machines as well. Therefore, we will
also need to commit the updated golden master DSDT table acpi binary blobs as
well. Following is the list of blobs which needs updating:
tests/data/acpi/q35/DSDT
tests/data/acpi/q35/DSDT.acpihmat
tests/data/acpi/q35/DSDT.bridge
tests/data/acpi/q35/DSDT.cphp
tests/data/acpi/q35/DSDT.dimmpxm
tests/data/acpi/q35/DSDT.ipmibt
tests/data/acpi/q35/DSDT.memhp
tests/data/acpi/q35/DSDT.mmio64
tests/data/acpi/q35/DSDT.numamem
tests/data/acpi/q35/DSDT.tis
These tables are updated in the following commit. Without the updated table
blobs, the unit tests would fail with this patch.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-11-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The following patch ("piix4: don't reserve hw resources when
hotplug is off globally") modifies certain ACPI tables for q35 machines.
This patch adds those table names to tests/qtest/bios-tables-test-allowed-diff.h
so that unit tests continue to pass and bisection is not broken.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-10-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This change adds a new unit test for the global flag
'acpi-pci-hotplug-with-bridge-support' which is available for cold plugged pci
bridges in i440fx. The flag can be used to turn off ACPI based hotplug support
on all pci bridges.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-8-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The file 'tests/data/acpi/pc/DSDT.hpbridge' is a newly added acpi table file
for testing the pci bridge option 'acpi-pci-hotplug-with-bridge-support' under
i440fx. This change documents this fact.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-7-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cold plugged bridges are not hot unpluggable, even when their hotplug
property (acpi-pci-hotplug-with-bridge-support) is turned off. Please see
the function acpi_pcihp_pc_no_hotplug(). However, with
the current implementaton, Windows would try to hot-unplug a pci bridge when
it's hotplug switch is off. This is regardless of whether there are devices
attached to the bridge. This is because we add ACPI code like _EJ0 etc for the
pci slot where the bridge is cold plugged.
In this fix, we identify a cold plugged bridge and for cold plugged bridges,
we do not add the appropriate ACPI methods that are used by the OS
to identify a hot-pluggable/unpluggable pci device. After this change, Windows
does not detect the cold plugged pci bridge as ejectable.
As a result of the patch, the following are the changes to the DSDT ACPI
table:
@@ -858,38 +858,33 @@
Return (Zero)
}
Method (_S2D, 0, NotSerialized) // _S2D: S2 Device State
{
Return (Zero)
}
Method (_S3D, 0, NotSerialized) // _S3D: S3 Device State
{
Return (Zero)
}
}
Device (S18)
{
- Name (_SUN, 0x03) // _SUN: Slot User Number
Name (_ADR, 0x00030000) // _ADR: Address
- Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device
- {
- PCEJ (BSEL, _SUN)
- }
}
Device (S20)
{
Name (_SUN, 0x04) // _SUN: Slot User Number
Name (_ADR, 0x00040000) // _ADR: Address
Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device
{
PCEJ (BSEL, _SUN)
}
}
Device (S28)
{
Name (_SUN, 0x05) // _SUN: Slot User Number
Name (_ADR, 0x00050000) // _ADR: Address
@@ -1148,37 +1143,32 @@
PCEJ (BSEL, _SUN)
}
}
Device (SF8)
{
Name (_SUN, 0x1F) // _SUN: Slot User Number
Name (_ADR, 0x001F0000) // _ADR: Address
Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device
{
PCEJ (BSEL, _SUN)
}
}
Method (DVNT, 2, NotSerialized)
{
- If ((Arg0 & 0x08))
- {
- Notify (S18, Arg1)
- }
-
If ((Arg0 & 0x10))
{
Notify (S20, Arg1)
}
If ((Arg0 & 0x20))
{
Notify (S28, Arg1)
}
If ((Arg0 & 0x40))
{
Notify (S30, Arg1)
}
If ((Arg0 & 0x80))
While at it, I have also updated a stale comment.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Suggested-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-6-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When ACPI hotplug for the root bus is disabled, the bsel property for that
bus is not set. Please see the following commit:
3d7e78aa77 ("Introduce a new flag for i440fx to disable PCI hotplug on the
root bus").
As a result, when acpi_pcihp_find_hotplug_bus() is called
with bsel set to 0, it may return the root bus. This can cause devices
attached to the root bus to get hot-unplugged if the user issues the following
set of commmands:
outl 0xae10 0
outl 0xae08 your_slot
Thanks to Julia for pointing this out here:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg734548.html
In this patch, we fix the issue in this function by checking if the bus which
is returned by the function is actually hotpluggable. If not, we simply return
NULL. This avoids the scenario where we were returning a non-hotpluggable bus.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-5-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Ability to turn hotplug off on the pci root bus for i440fx was added in commit:
3d7e78aa77 ("Introduce a new flag for i440fx to disable PCI hotplug on the
root bus")
This change adds a unit test in order to test this feature.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-3-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A new binary acpi table tests/data/acpi/pc/DSDT.roothp is added in order to
unit test the feature flag that can disable/enable root pci bus hotplug on
i440fx. This feature was added with the commit:
3d7e78aa77 ("Introduce a new flag for i440fx to disable PCI hotplug on
the root bus")
This change documents the fact that this new file addition was made as a part
of the unit test change.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-2-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
