Commit Graph

1212 Commits

Author SHA1 Message Date
Peter Maydell
bf3f857342 docs: Require Sphinx 1.6 or better
Versions of Sphinx older than 1.6 can't build all of our documentation,
because they are too picky about the syntax of the argument to the
option:: directive; see Sphinx bugs #646, #3366:

  https://github.com/sphinx-doc/sphinx/issues/646
  https://github.com/sphinx-doc/sphinx/issues/3366

Trying to build with a 1.4.x Sphinx fails with
 docs/system/images.rst:4: SEVERE: Duplicate ID: "cmdoption-qcow2-arg-encrypt"
and a 1.5.x Sphinx fails with
 docs/system/invocation.rst:544: WARNING: Malformed option description '[enable=]PATTERN', should look like "opt", "-opt
args", "--opt args", "/opt args" or "+opt args"

Update our needs_sphinx setting to indicate that we require at least
1.6.  This will allow configure to fall back to "don't build the
docs" rather than causing the build to fail entirely, which is
probably what most users building on a host old enough to have such
an old Sphinx would want; if they do want the docs then they'll have
a useful indication of what they need to do (upgrade Sphinx!) rather
than a confusing error message.

In theory our distro support policy would suggest that we should
support building on the Sphinx shipped in those distros, but:
 * EPEL7 has Sphinx 1.2.3 (which we've never supported!)
 * Debian Stretch has Sphinx 1.4.8

Trying to get our docs to work with Sphinx 1.4 is not tractable
for the 5.0 release and I'm not sure it's worthwhile effort anyway;
at least with this change the build as a whole now succeeds.

Thanks to John Snow for doing the investigation and testing to
confirm what Sphinx versions fail in what ways and what distros
shipped what.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2020-04-14 17:19:38 +01:00
Peter Maydell
152d1967f6 kernel-doc: Use c:struct for Sphinx 3.0 and later
The kernel-doc Sphinx plugin and associated script currently emit
'c:type' directives for "struct foo" documentation.

Sphinx 3.0 warns about this:
  /home/petmay01/linaro/qemu-from-laptop/qemu/docs/../include/exec/memory.h:3: WARNING: Type must be either just a name or a typedef-like declaration.
  If just a name:
    Error in declarator or parameters
    Invalid C declaration: Expected identifier in nested name, got keyword: struct [error at 6]
      struct MemoryListener
      ------^
  If typedef-like declaration:
    Error in declarator or parameters
    Invalid C declaration: Expected identifier in nested name. [error at 21]
      struct MemoryListener
      ---------------------^

because it wants us to use the new-in-3.0 'c:struct' instead.

Plumb the Sphinx version through to the kernel-doc script
and use it to select 'c:struct' for newer versions than 3.0.

Fixes: LP:1872113
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2020-04-14 17:15:33 +01:00
Peter Maydell
e5910d42dd docs: Improve our gdbstub documentation
The documentation of our -s and -gdb options is quite old; in
particular it still claims that it will cause QEMU to stop and wait
for the gdb connection, when this has not been true for some time:
you also need to pass -S if you want to make QEMU not launch the
guest on startup.

Improve the documentation to mention this requirement in the
executable's --help output, the documentation of the -gdb option in
the manual, and in the "GDB usage" chapter.

Includes some minor tweaks to these paragraphs of documentation
since I was editing them anyway (such as dropping the description
of our gdb support as "primitive").

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200403094014.9589-1-peter.maydell@linaro.org
2020-04-14 13:15:40 +01:00
Paolo Bonzini
fb8a9677b1 rcu: do not mention atomic_mb_read/set in documentation
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-13 02:56:18 -04:00
Paolo Bonzini
de99dab06f atomics: update documentation
Some of the constraints on operand sizes have been relaxed, so adjust the
documentation.

Deprecate atomic_mb_read and atomic_mb_set; it is not really possible to
use them correctly because they do not interoperate with sequentially-consistent
RMW operations.

Finally, extend the memory barrier pairing section to cover acquire and
release semantics in general, roughly based on the KVM Forum 2016 talk,
"<atomic.h> weapons".

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-13 02:56:03 -04:00
Paolo Bonzini
15e8699f00 atomics: convert to reStructuredText
No attempts to fix or update the text; these are left for the next
patch in the series.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-11 08:49:25 -04:00
Peter Maydell
e22684e34d docs/conf.py: Raise ConfigError for bad Sphinx Python version
Raise ConfigError rather than VersionRequirementError when we detect
that the Python being used by Sphinx is too old.

Currently the way we flag the Python version problem up to the user
causes Sphinx to print an unnecessary Python stack trace as well as
the information about the problem; in most versions of Sphinx this is
unavoidable.

The upstream Sphinx developers kindly added a feature to allow
conf.py to report errors to the user without the backtrace:
  be608ca231
but the exception type they chose for this was ConfigError.

Switch to ConfigError, which won't make any difference with currently
deployed Sphinx versions, but will be prettier one day when the user
is using a Sphinx version with the new feature.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20200313163616.30674-1-peter.maydell@linaro.org
2020-03-30 13:18:59 +01:00
Eric Blake
bb40ebce2c qcow2: List autoclear bit names in header
The feature table is supposed to advertise the name of all feature
bits that we support; however, we forgot to update the table for
autoclear bits.  While at it, move the table to read-only memory in
code, and tweak the qcow2 spec to name the second autoclear bit.
Update iotests that are affected by the longer header length.

Fixes: 88ddffae
Fixes: 93c24936
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200324174233.1622067-3-eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-03-26 14:44:33 +01:00
Mao Zhongyi
06b1c6f8b7 xbzrle: update xbzrle doc
Add new parameter description, also:
1. Remove unsociable space.
2. Nit picking: s/two/2 in report

Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20200320143216.423374-1-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-25 12:31:38 +00:00
Stefan Hajnoczi
7b46aadbbf qemu-ga: document vsock-listen in the man page
Although qemu-ga has supported vsock since 2016 it was not documented on
the man page.

Also add the socket address representation to the qga --help output.

Fixes: 586ef5dee7
       ("qga: add vsock-listen method")
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2020-03-24 11:32:19 -05:00
Cornelia Huck
f58f084e71 Documentation: create/move s390x documentation
Create a subdirectory for s390x under docs/system/ and move the
existing vfio-ap documentation there.

Create an initial document describing s390x system emulation.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20200318103940.1169-1-cohuck@redhat.com>
2020-03-23 12:36:27 +01:00
Peter Maydell
9b26a61093 Update copyright date for user-facing copyright strings
Update the copyright date to 2020 for the copyright strings which are
user-facing and represent overall copyright info for all of QEMU.

Reported-by: John Arbuckle <programmingkidx@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200316112006.19107-1-peter.maydell@linaro.org
2020-03-22 11:16:21 +00:00
Peter Maydell
f57587c7d4 QAPI patches for 2020-03-17
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2020-03-17' into staging

QAPI patches for 2020-03-17

# gpg: Signature made Tue 17 Mar 2020 20:50:54 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2020-03-17: (30 commits)
  net: Track netdevs in NetClientState rather than QemuOpt
  net: Complete qapi-fication of netdev_add
  qmp: constify QmpCommand and list
  qapi: Mark deprecated QMP parts with feature 'deprecated'
  qapi: New special feature flag "deprecated"
  qapi: Replace qmp_dispatch()'s TODO comment by an explanation
  qapi: Simplify how qmp_dispatch() gets the request ID
  qapi: Simplify how qmp_dispatch() deals with QCO_NO_SUCCESS_RESP
  qapi: Inline do_qmp_dispatch() into qmp_dispatch()
  qapi: Add feature flags to struct members
  qapi/schema: Call QAPIDoc.connect_member() in just one place
  qapi/schema: Rename QAPISchemaObjectType{Variant,Variants}
  qapi/schema: Reorder classes so related ones are together
  qapi/schema: Change _make_features() to a take feature list
  qapi/introspect: Factor out _make_tree()
  qapi/introspect: Rename *qlit* to reduce confusion
  qapi: Consistently put @features parameter right after @ifcond
  qapi: Add feature flags to remaining definitions
  qapi/schema: Clean up around QAPISchemaEntity.connect_doc()
  tests/test-qmp-event: Check event is actually emitted
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-19 10:18:07 +00:00
Peter Maydell
b319df5537 ppc patch queue 2020-03-17
Here's my final pull request for the qemu-5.0 soft freeze.  Sorry this
 is just under the wire - I hit some last minute problems that took a
 while to fix up and retest.
 
 Highlights are:
  * Numerous fixes for the FWNMI feature
  * A handful of cleanups to the device tree construction code
  * Numerous fixes for the spapr-vscsi device
  * A number of fixes and cleanups for real mode (MMU off) softmmu
    handling
  * Fixes for handling of the PAPR RMA
  * Better handling of hotplug/unplug events during boot
  * Assorted other fixes
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.0-20200317' into staging

ppc patch queue 2020-03-17

Here's my final pull request for the qemu-5.0 soft freeze.  Sorry this
is just under the wire - I hit some last minute problems that took a
while to fix up and retest.

Highlights are:
 * Numerous fixes for the FWNMI feature
 * A handful of cleanups to the device tree construction code
 * Numerous fixes for the spapr-vscsi device
 * A number of fixes and cleanups for real mode (MMU off) softmmu
   handling
 * Fixes for handling of the PAPR RMA
 * Better handling of hotplug/unplug events during boot
 * Assorted other fixes

# gpg: Signature made Tue 17 Mar 2020 09:55:07 GMT
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-5.0-20200317: (45 commits)
  pseries: Update SLOF firmware image
  ppc/spapr: Ignore common "ibm,nmi-interlock" Linux bug
  ppc/spapr: Implement FWNMI System Reset delivery
  target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector
  ppc/spapr: Allow FWNMI on TCG
  ppc/spapr: Fix FWNMI machine check interrupt delivery
  ppc/spapr: Add FWNMI System Reset state
  ppc/spapr: Change FWNMI names
  ppc/spapr: Fix FWNMI machine check failure handling
  spapr: Rename DT functions to newer naming convention
  spapr: Move creation of ibm,architecture-vec-5 property
  spapr: Move creation of ibm,dynamic-reconfiguration-memory dt node
  spapr/rtas: Reserve space for RTAS blob and log
  pseries: Update SLOF firmware image
  ppc/spapr: Move GPRs setup to one place
  target/ppc: Fix rlwinm on ppc64
  spapr/xive: use SPAPR_IRQ_IPI to define IPI ranges exposed to the guest
  hw/scsi/spapr_vscsi: Convert debug fprintf() to trace event
  hw/scsi/spapr_vscsi: Prevent buffer overflow
  hw/scsi/spapr_vscsi: Do not mix SRP IU size with DMA buffer size
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-18 15:07:57 +00:00
Markus Armbruster
f965e8fea6 qapi: New special feature flag "deprecated"
Unlike regular feature flags, the new special feature flag
"deprecated" is recognized by the QAPI generator.  For now, it's only
permitted with commands, events, and struct members.  It will be put
to use shortly.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200317115459.31821-26-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Doc typo fixed]
2020-03-17 21:42:47 +01:00
Markus Armbruster
84ab008687 qapi: Add feature flags to struct members
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200317115459.31821-21-armbru@redhat.com>
2020-03-17 21:25:47 +01:00
Markus Armbruster
013b4efc9b qapi: Add feature flags to remaining definitions
In v4.1.0, we added feature flags just to struct types (commit
6a8c0b5102^..f3ed93d545), to satisfy an immediate need (commit
c9d4070991 "file-posix: Add dynamic-auto-read-only QAPI feature").  In
v4.2.0, we added them to commands (commit 23394b4c39 "qapi: Add
feature flags to commands") to satisfy another immediate need (commit
d76744e65e "qapi: Allow introspecting fix for savevm's cooperation
with blockdev").

Add them to the remaining definitions: enumeration types, union types,
alternate types, and events.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-13-armbru@redhat.com>
2020-03-17 19:58:34 +01:00
Markus Armbruster
86014c64f9 docs/devel/qapi-code-gen: Document 'features' introspection
Commit 6a8c0b5102 "qapi: Add feature flags to struct types" neglected
to update section "Client JSON Protocol introspection", and commit
23394b4c39 "qapi: Add feature flags to commands" didn't either.  Make
up for that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-5-armbru@redhat.com>
2020-03-17 19:58:34 +01:00
Markus Armbruster
ad52292ea1 docs/devel/qapi-code-gen: Clarify allow-oob introspection
Mention SchemaInfo variant member "allow-oob" defaults to false.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-4-armbru@redhat.com>
2020-03-17 19:58:34 +01:00
Markus Armbruster
73756ae3e3 qemu-doc: Belatedly document QMP command arg & result deprecation
A number of deprecated QMP arguments and results were missed in commit
eb22aeca65 "docs: document deprecation policy & deprecated features in
appendix" (v2.10.0):

* Commit b33945cfff "block: Accept device model name for
  blockdev-open/close-tray" (v2.8.0) deprecated blockdev-open-tray,
  blockdev-close-tray argument @device.

* Commit fbe2d8163e "block: Accept device model name for eject"
  (v2.8.0) deprecated eject argument @device.

* Commit 70e2cb3bd7 "block: Accept device model name for
  blockdev-change-medium" (v2.8.0) deprecated blockdev-change-medium
  argument @device.

* Commit 7a9877a026 "block: Accept device model name for
  block_set_io_throttle" (v2.8.0) deprecated block_set_io_throttle
  argument @device.

* Commit c01c214b69 "block: remove all encryption handling APIs"
  (v2.10.0) deprecated query-named-block-nodes result
  @encryption_key_missing and query-block result @inserted member
  @encryption_key_missing.

* Commit c42e8742f5 "block: Use JSON null instead of "" to disable
  backing file" (v2.10.0) deprecated blockdev-add empty string
  argument @backing.

Since then, we missed a few more:

* Commit 3c605f4074 "commit: Add top-node/base-node options" (v3.1.0)
  deprecated block-commit arguments @base and @top.

* Commit 4db6ceb0b5 "block/dirty-bitmap: add recording and busy
  properties" (v4.0.0) deprecated query-named-block-nodes result
  @dirty-bitmaps member @status, not just query-block.

Make up for all that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200317115459.31821-2-armbru@redhat.com>
2020-03-17 19:58:34 +01:00
Markus Armbruster
942ab6865a docs/devel/qapi-code-gen: Fix typo in grammar
An ALTERNATIVE's value can only be a type name.  Arrays are not
supported, yet.  The text gets it right: "The form STRING is shorthand
for { 'type': STRING }."  The grammar doesn't.  Fix it.

Fixes: b6c37ebaaf
Reported-by: John Snow <jsnow@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200309142638.19988-1-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2020-03-17 17:34:21 +01:00
Greg Kurz
22062e54bb ppc: Officially deprecate the CPU "compat" property
Server class POWER CPUs have a "compat" property, which was obsoleted
by commit 7843c0d60d and replaced by a "max-cpu-compat" property on the
pseries machine type. A hack was introduced so that passing "compat" to
-cpu would still produce the desired effect, for the sake of backward
compatibility : it strips the "compat" option from the CPU properties
and applies internally it to the pseries machine. The accessors of the
"compat" property were updated to do nothing but warn the user about the
deprecated status when doing something like:

$ qemu-system-ppc64 -global POWER9-family-powerpc64-cpu.compat=power9
qemu-system-ppc64: warning: CPU 'compat' property is deprecated and has no
 effect; use max-cpu-compat machine property instead

This was merged during the QEMU 2.10 timeframe, a few weeks before we
formalized our deprecation process. As a consequence, the "compat"
property fell through the cracks and was never listed in the officialy
deprecated features.

We are now eight QEMU versions later, it is largely time to mention it
in qemu-deprecated.texi. Also, since -global XXX-powerpc64-cpu.compat=
has been emitting warnings since QEMU 2.10 and the usual way of setting
CPU properties is with -cpu, completely remove the "compat" property.
Keep the hack so that -cpu XXX,compat= stays functional some more time,
as required by our deprecation process.

The now empty powerpc_servercpu_properties[] list which was introduced
for "compat" and never had any other use is removed on the way. We can
re-add it in the future if the need for a server class POWER CPU specific
property arises again.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158274357799.140275.12263135811731647490.stgit@bahia.lan>
[dwg: Convert from .texi to .rst to match upstream change]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-03-17 09:41:14 +11:00
Kashyap Chamarthy
3b2c52c017 qemu-cpu-models.rst: Document -noTSX, mds-no, taa-no, and tsx-ctrl
- Add the '-noTSX' variants for CascadeLake and SkyLake.

- Document the three MSR bits: 'mds-no', 'taa-no', and 'tsx-ctrl'

  Two confusing things about 'mds-no' (and the first point applies to
  the other two MSRs too):

  (1) The 'mds-no' bit will _not_ show up in the guest's /proc/cpuinfo.
      Rather it is used to fill in the guest's sysfs:

        /sys/devices/system/cpu/vulnerabilities/mds:Not affected

      Paolo confirmed on IRC as such.

  (2) There are _three_ variants[+] of CascadeLake CPUs, with different
      stepping levels: 5, 6, and 7.  To quote wikichip.org[*]:

        "note that while steppings 6 & 7 are fully mitigated, earlier
        stepping 5 is not protected against MSBDS, MLPDS, nor MDSUM"

      The above is also indicated in the Intel's document[+], as
      indicated by "No" under the three columns of MFBDS, MSBDS, and
      MLPDS.

  I've expressed this in the docs without belabouring the details.

      [+] https://software.intel.com/security-software-guidance/insights/processors-affected-microarchitectural-data-sampling
      [*] https://en.wikichip.org/wiki/intel/microarchitectures/cascade_lake#Key_changes_from_Skylake

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20200225165618.6571-3-kchamart@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 23:02:25 +01:00
Philippe Mathieu-Daudé
880a7817c1 misc: Replace zero-length arrays with flexible array member (manual)
Description copied from Linux kernel commit from Gustavo A. R. Silva
(see [3]):

--v-- description start --v--

  The current codebase makes use of the zero-length array language
  extension to the C90 standard, but the preferred mechanism to
  declare variable-length types such as these ones is a flexible
  array member [1], introduced in C99:

  struct foo {
      int stuff;
      struct boo array[];
  };

  By making use of the mechanism above, we will get a compiler
  warning in case the flexible array does not occur last in the
  structure, which will help us prevent some kind of undefined
  behavior bugs from being unadvertenly introduced [2] to the
  Linux codebase from now on.

--^-- description end --^--

Do the similar housekeeping in the QEMU codebase (which uses
C99 since commit 7be41675f7).

All these instances of code were found with the help of the
following command (then manual analysis, without modifying
structures only having a single flexible array member, such
QEDTable in block/qed.h):

  git grep -F '[0];'

[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76497732932f
[3] https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=17642a2fbd2c1

Inspired-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 22:07:42 +01:00
Niek Linnenbank
0553ef4257 docs: add Orange Pi PC document
The Xunlong Orange Pi PC machine is a functional ARM machine
based on the Allwinner H3 System-on-Chip. It supports mainline
Linux, U-Boot, NetBSD and is covered by acceptance tests.

This commit adds a documentation text file with a description
of the machine and instructions for the user.

Signed-off-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200311221854.30370-19-nieklinnenbank@gmail.com
[PMM: moved file into docs/system/arm to match the reorg
of the arm target part of the docs; tweaked heading to
match other boards]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-12 16:27:33 +00:00
Peter Maydell
6fe6d6c9a9 docs: Be consistent about capitalization of 'Arm'
The company 'Arm' went through a rebranding some years back
involving a recapitalization from 'ARM' to 'Arm'. As a result
our documentation is a bit inconsistent between the two forms.
It's not worth trying to update everywhere in QEMU, but it's
easy enough to make docs/ consistent.

Note that "ARMv8" and similar architecture names, and
older CPU names like "ARM926" still retain all-caps.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200309215818.2021-6-peter.maydell@linaro.org
2020-03-12 11:20:20 +00:00
Peter Maydell
34f18ab14d docs: Move arm-cpu-features.rst into the system manual
Now we have somewhere to put arm-specific rst documentation,
we can move arm-cpu-features.rst from the docs/ top level
directory into docs/system/arm/.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200309215818.2021-5-peter.maydell@linaro.org
2020-03-12 11:20:20 +00:00
Peter Maydell
d3149c590d docs/system/target-arm.rst: Add some introductory text
Now we've moved the various bits of per-board documentation into
their own files, the top level document is a little bare. Add
some introductory information, including a note that many
of the board models we support are currently undocumented.

(Most sections of this new text were originally written by me
for the wiki page https://wiki.qemu.org/Documentation/Platforms/ARM)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200309215818.2021-4-peter.maydell@linaro.org
2020-03-12 11:20:20 +00:00
Peter Maydell
c11a8e890c docs/system: Split target-arm.rst into sub-documents
Currently the documentation for Arm system emulator targets is in a
single target-arm.rst.  This describes only some of the boards and
often in a fairly abbreviated fashion. Restructure it so that each
board has its own documentation file in the docs/system/arm/
subdirectory.

This will hopefully encourage us to write board documentation that
describes the board in detail, rather than a few brief paragraphs
in a single long page. The table of contents should also help users
to find the board they care about faster.

Once the structure is in place we'll be able to move microvm.rst
from the top-level docs/ directory.

All the text from the old page is retained, except for the final
paragraph ("A Linux 2.6 test image is available on the QEMU web site.
More information is available in the QEMU mailing-list archive."),
which is deleted. The git history shows this was originally added
in reference to the integratorcp board (at that time the only
Arm board that was supported), and has subsequently gradually been
further and further separated from the integratorcp documentation
by the insertion of other board documentation sections. It's
extremely out of date and no longer accurate, since AFAICT there
isn't an integratorcp kernel on the website any more; so better
deleted than retained.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200309215818.2021-3-peter.maydell@linaro.org
2020-03-12 11:20:20 +00:00
Peter Maydell
3290e12d6c docs/qemu-option-trace.rst.inc: Remove redundant comment
The Texinfo version of the tracing options documentation has now
been deleted, so we can remove the now-redundant comment at the top
of the rST version that was reminding us that the two should be
kept in sync.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200306171749.10756-8-peter.maydell@linaro.org
2020-03-12 11:14:06 +00:00
Peter Maydell
b29a59fb66 docs/index.rst, docs/index.html.in: Reorder manuals
Now that qemu-doc.html is no longer present, the ordering of manuals
within the top-level index page looks a bit odd. Reshuffle so that
the manuals the user is most likely to be interested in are at the
top of the list, and the reference material is at the bottom.

Similarly, we reorder the index.rst file used as the base of
the "all manuals in one" documentation for readthedocs.

The new order is:
 * system
 * user
 * tools
 * interop
 * specs
 * QMP reference (if present)
 * Guest agent protocol reference (if present)
 * devel (if present)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200306171749.10756-7-peter.maydell@linaro.org
2020-03-12 11:14:06 +00:00
Peter Maydell
80a046c51a docs/sphinx/hxtool.py: Remove STEXI/ETEXI support
Now that none of our input .hx files have STEXI/ETEXI blocks,
we can remove the code in the Sphinx hxtool extension that
supported parsing them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200306171749.10756-5-peter.maydell@linaro.org
2020-03-12 11:14:06 +00:00
Thomas Huth
b4983c570c net: Remove deprecated [hub_id name] tuple of 'hostfwd_add' / 'hostfwd_remove'
It's been deprecated since QEMU v3.1.0. Time to finally remove it now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191205104109.18680-1-thuth@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Reworked Thomas's deprecated.texi to the rst
2020-03-09 18:44:04 +00:00
Kevin Wolf
5f07c4d60d qapi: Flatten object-add
Mapping object-add to the command line as is doesn't result in nice
syntax because of the nesting introduced with 'props'. This becomes
nicer and more consistent with device_add and netdev_add when we accept
properties for the object on the top level instead.

'props' is still accepted after this patch, but marked as deprecated.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-8-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:21:27 +01:00
Peter Maydell
3a8273b1ab docs: Remove old texinfo sources
We can now delete the old .texi files, which we have been keeping in
the tree as a parallel set of documentation to the new rST sources.
The only remaining use of Texinfo is the autogenerated manuals
and HTML documents created from the QAPI JSON doc comments.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-33-peter.maydell@linaro.org
2020-03-06 11:06:55 +00:00
Peter Maydell
5b1d0e9249 docs: Stop building qemu-doc
Stop building the old texinfo qemu-doc; all its contents are
now available in the Sphinx-generated manuals and manpages.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-32-peter.maydell@linaro.org
2020-03-06 11:06:55 +00:00
Peter Maydell
d06118bfbd docs: Generate qemu.1 manpage with Sphinx
Generate the qemu.1 manpage using Sphinx; we do this with a new
top-level rst source file which is just the skeleton of the manpage
and which includes .rst.inc fragments where it needs to incorporate
sections from the larger HTML manuals.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-30-peter.maydell@linaro.org
2020-03-06 11:06:55 +00:00
Peter Maydell
bf87bef091 docs: Split out sections for the manpage into .rst.inc files
Sphinx doesn't have very good facilities for marking chunks
of documentation as "put this in the manpage only". So instead
we move the parts we want to put into both the HTML manuals
and the manpage into their own .rst.inc files, which we can
include from both the main manual rst files and a new toplevel
rst file that will be the skeleton of the qemu.1 manpage.

In this commit, just split out the parts of the documentation
that go in the manpage.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-29-peter.maydell@linaro.org
2020-03-06 11:06:55 +00:00
Peter Maydell
09ce5f2d6b qemu-options.hx: Fix up the autogenerated rST
This commit contains hand-written fixes for some issues with the
autogenerated rST fragments in qemu-options.hx:

 * Sphinx complains about the UTF-8 art table in the documentation of
   the -drive option.  Replace it with a proper rST format table.

 * rST does not like definition list entries with no actual
   definition, but it is possible to work around this by putting a
   single escaped literal space as the definition line.

 * The "-g widthxheight" option documentation suffers particularly
   badly from losing the distinction between italics and fixed-width
   as a result of the auto conversion, so put it back in again.

 * The script missed some places that use the |qemu_system| etc
   macros and need to be marked up as parsed-literal blocks.

 * The script autogenerated an expanded out version of the
   contents of qemu-option-trace.texi; replace it with an
   qemu-option-trace.rst.inc include.

This is sufficient that we can enable inclusion of the
option documentation from invocation.rst.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-28-peter.maydell@linaro.org
2020-03-06 11:06:55 +00:00
Peter Maydell
196afbb094 docs: Roll -prom-env and -g target-specific info into qemu-options.hx
The SPARC and PPC targets currently have a fragment of target-specific
information about the -g and -prom options which would be better placed
as part of the general documentation of those options in qemu-options.hx.
Move the relevant information to those locations.

SPARC also has a bit of text about the -M option which is out of
date and provides no useful information over the generic documentation
of that option, so just delete it.

The motivation here is again to avoid having to awkwardly include
this text into the rST version of the qemu.1 manpage.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-25-peter.maydell@linaro.org
2020-03-06 10:05:18 +00:00
Peter Maydell
44d79a6bd7 docs: Roll semihosting option information into qemu-options.hx
Currently the per-target documentation for those targets that
implement semihosting includes a bit of text that goes into both the
manual and the manpage about options specific to the target.  This
text is redundant with the earlier generic option description of the
semihosting option produced from qemu-options.hx. To avoid having
to create a lot of stub include files to include into the rST
generated qemu.1 manpage, roll target-specific bits of information
into the qemu-options.hx text, so the user doesn't have to look
in two places for this information.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-24-peter.maydell@linaro.org
2020-03-06 10:05:12 +00:00
Peter Maydell
705f48cc22 doc/scripts/hxtool.py: Strip trailing ':' from DEFHEADING/ARCHHEADING
In hxtool files, section headings defined with the DEFHEADING
and ARCHHEADING macros have a trailing ':'
  DEFHEADING(Standard options:)

This is for the benefit of the --help output. For consistency
with the rest of the rST documentation, strip any trailing ':'
when we construct headings with the Sphinx hxtool extension.
This makes the table of contents look neater.

This only affects generation of documentation from qemu-options.hx,
which we will start doing in a later commit.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-23-peter.maydell@linaro.org
2020-03-06 10:05:12 +00:00
Peter Maydell
a12e74cc52 hmp-commands-info.hx: Add rST documentation fragments
Add the rST versions of the documentation fragments.  Once we've
converted fully from Texinfo to rST we can remove the ETEXI
fragments; for the moment we need both.

Note that most of the SRST fragments are 2-space indented so that the
'info foo' documentation entries appear as a sublist under the 'info'
entry in the top level list.

Again, all we need to do to put the documentation in the Sphinx manual
is a one-line hxtool-doc invocation.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-22-peter.maydell@linaro.org
2020-03-06 10:05:12 +00:00
Peter Maydell
a6b30bcae6 hmp-commands.hx: Add rST documentation fragments
Add the rST versions of the documentation fragments.  Once we've
converted fully from Texinfo to rST we can remove the ETEXI
fragments; for the moment we need both.

Since the only consumer of the hmp-commands hxtool documentation
is the HTML manual, all we need to do for the monitor command
documentation to appear in the Sphinx system manual is add the
one line that invokes the hxtool extension on the .hx file.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-21-peter.maydell@linaro.org
2020-03-06 10:05:12 +00:00
Paolo Bonzini
324b2298fe docs/system: convert Texinfo documentation to rST
Apart from targets.rst, which was written by hand, this is an automated
conversion obtained with the following command:

  makeinfo --force -o - --docbook \
    -D 'qemu_system_x86 QEMU_SYSTEM_X86_MACRO' \
    -D 'qemu_system     QEMU_SYSTEM_MACRO' \
    $texi | pandoc -f docbook -t rst+smart | perl -e '
      $/=undef;
      $_ = <>;
      s/^-  − /-  /gm;
      s/QEMU_SYSTEM_MACRO/|qemu_system|/g;
      s/QEMU_SYSTEM_X86_MACRO/|qemu_system_x86|/g;
      s/(?=::\n\n +\|qemu)/.. parsed-literal/g;
      s/:\n\n::$/::/gm;
      print' > $rst

In addition, the following changes were made manually:

- target-i386.rst and target-mips.rst: replace CPU model documentation with
  an include directive

- monitor.rst: replace the command section with a comment

- images.rst: add toctree

- target-arm.rst: Replace use of :math: (which Sphinx complains
  about) with :sup:, and hide it behind |I2C| and |I2C| substitutions.

Content that is not @included remains exclusive to qemu-doc.texi.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200228153619.9906-20-peter.maydell@linaro.org
Message-id: 20200226113034.6741-19-pbonzini@redhat.com
[PMM: Fixed target-arm.rst use of :math:; remove out of date
 note about images.rst from commit message; fixed expansion
 of |qemu_system_x86|; use parsed-literal in invocation.rst
 when we want to use |qemu_system_x86|; fix incorrect subsection
 level for "OS requirements" in target-i386.rst; fix incorrect
 syntax for making links to other sections of the manual]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-06 10:05:12 +00:00
Peter Maydell
41fba1618b docs/system: convert the documentation of deprecated features to rST.
We put the whole of this document into the system manual, though
technically a few parts of it apply to qemu-img or qemu-nbd which are
otherwise documented in tools/.

We only make formatting fixes, except for one use of 'appendix' which
we change to 'section' because this isn't an appendix in the Sphinx
manual.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-19-peter.maydell@linaro.org
Message-id: 20200226113034.6741-18-pbonzini@redhat.com
2020-03-06 10:05:12 +00:00
Peter Maydell
2f4325df9e docs/system: convert managed startup to rST.
Fix one typo in the process and format more option and
command names as literal text, but make no significant
changes to the content.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-18-peter.maydell@linaro.org
Message-id: 20200226113034.6741-17-pbonzini@redhat.com
2020-03-06 10:05:12 +00:00
Peter Maydell
c02c112a2c docs/system: Convert security.texi to rST format
security.texi is included from qemu-doc.texi but is not used
in the qemu.1 manpage. So we can do a straightforward conversion
of the contents, which go into the system manual.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-17-peter.maydell@linaro.org
Message-id: 20200226113034.6741-16-pbonzini@redhat.com
2020-03-06 10:05:12 +00:00
Kashyap Chamarthy
1bf84a1e2e docs/system: Convert qemu-cpu-models.texi to rST
This doc was originally written by Daniel P. Berrangé
<berrange@redhat.com>, introduced via commit[1]: 2544e9e4aa (docs: add
guidance on configuring CPU models for x86, 2018-06-27).

In this patch:

  - 1-1 conversion of Texinfo to rST, besides a couple of minor
    tweaks that are too trivial to mention.   (Thanks to Stephen
    Finucane on IRC for the suggestion to use rST "definition lists"
    instead of bullets in some places.)

    Further modifications will be done via a separate patch.

  - rST and related infra changes: manual page generation, Makefile
    fixes, clean up references to qemu-cpu-models.texi, update year in
    the copyright notice, etc.

[1] https://git.qemu.org/?p=qemu.git;a=commit;h=2544e9e4aa

As part of the conversion, we use a more generic 'author' attribution
for the manpage than we previously had, as agreed with the original
author Dan Berrange.

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200228153619.9906-16-peter.maydell@linaro.org
Message-id: 20200226113034.6741-15-pbonzini@redhat.com
[Move macros to defs.rst.inc, split in x86 and MIPS parts,
 make qemu-cpu-models.rst a standalone document. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[PMM: Move defs.rst.inc setup to its own commit;
 fix minor issues with MAINTAINERS file updates;
 drop copyright date change; keep capitalization of
 "QEMU Project developers" consistent with other uses;
 minor Makefile fixups]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-06 10:05:12 +00:00
Peter Maydell
de1572ca49 docs: Create defs.rst.inc as a place to define substitutions
Rather than accumulating generally useful rST substitution
definitions in individual rST files, create a defs.rst.inc where we
can define these.  To start with it has the |qemu_system| definition
from qemu-block-drivers.rst.

Add a comment noting a pitfall where putting literal markup in the
definition of |qemu_system| makes it misrender manpage output; this
means the point-of-use must handle the literal markup (which is
almost always done by having it inside a parsed-literal block).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200228153619.9906-15-peter.maydell@linaro.org
2020-03-06 10:04:58 +00:00