Commit Graph

2108 Commits

Author SHA1 Message Date
Thomas Huth
14dc58e3e0 docs: reSTify virtio-balloon-stats documentation and move to docs/interop
The virtio-balloon-stats documentation might be useful for people that
are implementing software that talks to QEMU via QMP, so this should
reside in the docs/interop/ directory. While we're at it, also convert
the file to restructured text and mention it in the MAINTAINERS file.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220105115245.420945-1-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-01-07 19:30:13 -05:00
Thomas Huth
057dc9a635 docs/tools/qemu-trace-stap.rst: Do not hard-code the QEMU binary name
In downstream, we want to use a different name for the QEMU binary,
and some people might also use the docs for non-x86 binaries, that's
why we already created the |qemu_system| placeholder in the past.
Use it now in the stap trace doc, too.

Message-Id: <20220104103319.179870-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-01-05 11:10:13 +01:00
Marc-André Lureau
9a50594761 docs/sphinx: fix compatibility with sphinx < 1.8
SphinxDirective was added with sphinx 1.8 (2018-09-13).

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220104074649.1712440-1-marcandre.lureau@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-01-05 11:10:13 +01:00
Thomas Huth
fe86fe237c qemu-options: Remove the deprecated -no-quit option
This option was just a wrapper around the -display ...,window-close=off
parameter, and the name "no-quit" is rather confusing compared to
"window-close" (since there are still other means to quit the emulator),
so let's remove this now.

Message-Id: <20211215082417.180735-1-thuth@redhat.com>
Acked-by: Michal Prívozník <mprivozn@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-01-05 11:10:13 +01:00
Marc-André Lureau
ef20c5ba08 docs: add dbus-display documentation
Wire up the dbus-display documentation. The interface and feature is
implemented next.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-12-21 10:50:21 +04:00
Marc-André Lureau
d2f25776ca docs: move D-Bus VMState documentation to source XML
Use the source XML document as single reference, importing its
documentation via the dbus-doc directive.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-12-21 10:50:21 +04:00
Marc-André Lureau
2668dc7b5d docs/sphinx: add sphinx modules to include D-Bus documentation
Add a new dbus-doc directive to import D-Bus interfaces documentation
from the introspection XML. The comments annotations follow the
gtkdoc/kerneldoc style, and should be formatted with reST.

Note: I realize after the fact that I was implementing those modules
with sphinx 4, and that we have much lower requirements. Instead of
lowering the features and code (removing type annotations etc), let's
have a warning in the documentation when the D-Bus modules can't be
used, and point to the source XML file in that case.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-12-21 10:50:21 +04:00
Paolo Bonzini
b20a7ee6f0 meson: add "check" argument to run_command
Meson is planning to change the default of the "check" argument to
run_command (from false to true).  Be explicit and include it in
all invocations.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-12-18 10:57:36 +01:00
Richard Henderson
90978e15bc Trivial patches pull request 20211217
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Merge tag 'trivial-branch-for-7.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Trivial patches pull request 20211217

# gpg: Signature made Fri 17 Dec 2021 12:09:51 PM PST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [unknown]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [unknown]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.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: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-7.0-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  checkpatch: Do not allow deprecated g_memdup()
  tests/qtest: Replace g_memdup() by g_memdup2()
  glib-compat: Introduce g_memdup2() wrapper
  docs/block-replication.txt: Fix replication top-id command demo
  hw/virtio/vhost: Fix typo in comment.
  hw/avr: Realize AVRCPU qdev object using qdev_realize()
  qemu-keymap: Add license in generated files
  target/i386/kvm: Replace use of __u32 type
  configure: Symlink binaries using .exe suffix with MinGW

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-12-17 13:15:38 -08:00
Richard Henderson
93dc314c92 ppc 7.0 queue:
* General cleanup for Mac machines (Peter)
 * Fixes for FPU exceptions (Lucas)
 * Support for new ISA31 instructions (Matheus)
 * Fixes for ivshmem (Daniel)
 * Cleanups for PowerNV PHB (Christophe and Cedric)
 * Updates of PowerNV and pSeries documentation (Leonardo and Daniel)
 * Fixes for PowerNV (Daniel)
 * Large cleanup of FPU implementation (Richard)
 * Removal of SoftTLBs support for PPC74x CPUs (Fabiano)
 * Fixes for exception models in MPCx and 60x CPUs (Fabiano)
 * Removal of 401/403 CPUs (Cedric)
 * Deprecation of taihu machine (Thomas)
 * Large rework of PPC405 machine (Cedric)
 * Fixes for VSX instructions (Victor and Matheus)
 * Fix for e6500 CPU (Fabiano)
 * Initial support for PMU (Daniel)
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Merge tag 'pull-ppc-20211217' of https://github.com/legoater/qemu into staging

ppc 7.0 queue:

* General cleanup for Mac machines (Peter)
* Fixes for FPU exceptions (Lucas)
* Support for new ISA31 instructions (Matheus)
* Fixes for ivshmem (Daniel)
* Cleanups for PowerNV PHB (Christophe and Cedric)
* Updates of PowerNV and pSeries documentation (Leonardo and Daniel)
* Fixes for PowerNV (Daniel)
* Large cleanup of FPU implementation (Richard)
* Removal of SoftTLBs support for PPC74x CPUs (Fabiano)
* Fixes for exception models in MPCx and 60x CPUs (Fabiano)
* Removal of 401/403 CPUs (Cedric)
* Deprecation of taihu machine (Thomas)
* Large rework of PPC405 machine (Cedric)
* Fixes for VSX instructions (Victor and Matheus)
* Fix for e6500 CPU (Fabiano)
* Initial support for PMU (Daniel)

# gpg: Signature made Fri 17 Dec 2021 09:20:31 AM PST
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-ppc-20211217' of https://github.com/legoater/qemu: (101 commits)
  ppc/pnv: Use QOM hierarchy to scan PEC PHB4 devices
  ppc/pnv: Move realize of PEC stacks under the PEC model
  ppc/pnv: Remove "system-memory" property from PHB4 PEC
  ppc/pnv: Compute the PHB index from the PHB4 PEC model
  ppc/pnv: Introduce a num_stack class attribute
  ppc/pnv: Introduce a "chip" property under the PHB4 model
  ppc/pnv: Introduce version and device_id class atributes for PHB4 devices
  ppc/pnv: Introduce a num_pecs class attribute for PHB4 PEC devices
  ppc/pnv: Use QOM hierarchy to scan PHB3 devices
  ppc/pnv: Move mapping of the PHB3 CQ regions under pnv_pbcq_realize()
  ppc/pnv: Drop the "num-phbs" property
  ppc/pnv: Use the chip class to check the index of PHB3 devices
  ppc/pnv: Introduce a "chip" property under PHB3
  PPC64/TCG: Implement 'rfebb' instruction
  target/ppc/power8-pmu.c: add PM_RUN_INST_CMPL (0xFA) event
  target/ppc: enable PMU instruction count
  target/ppc: enable PMU counter overflow with cycle events
  target/ppc: PMU: update counters on MMCR1 write
  target/ppc: PMU: update counters on PMCs r/w
  target/ppc: PMU basic cycle count for pseries TCG
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-12-17 09:55:14 -08:00
Thomas Huth
26e8bed611 ppc: Mark the 'taihu' machine as deprecated
The PPC 405 CPU is a system-on-a-chip, so all 405 machines are very similar,
except for some external periphery. However, the periphery of the 'taihu'
machine is hardly emulated at all (e.g. neither the LCD nor the USB part had
been implemented), so there is not much value added by this board. The users
can use the 'ref405ep' machine to test their PPC405 code instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20211203164904.290954-2-thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211206103712.1866296-3-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:17 +01:00
Leonardo Garcia
9befbe4f62 Link new ppc-spapr-hcalls.rst file to pseries.rst.
Signed-off-by: Leonardo Garcia <lagarcia@br.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <7d3c8bad1ca76eb13d6ce2b16dd9a821edcdb27b.1638982486.git.lagarcia@br.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:14 +01:00
Leonardo Garcia
d55b123d14 docs: Rename ppc-spapr-hcalls.txt to ppc-spapr-hcalls.rst.
Signed-off-by: Leonardo Garcia <lagarcia@br.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <7f13e40e05ddb411697b0777b0e37757f76905e9.1638982486.git.lagarcia@br.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:13 +01:00
Leonardo Garcia
d483f2b53a docs: rSTify ppc-spapr-hcalls.txt
Signed-off-by: Leonardo Garcia <lagarcia@br.ibm.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
[ clg: - replaced lingua by terminology
       - add a new line at EOF ]
Message-Id: <e20319dcf0ec37bedd915c740c3813eb0e58ead4.1638982486.git.lagarcia@br.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:13 +01:00
Leonardo Garcia
88581cc43b docs: Introducing pseries documentation.
The purpose of this document is to substitute the content currently
available in the QEMU wiki at [0]. This initial version does contain
some additional content as well. Whenever this documentation gets
upstream and is reflected in [1], the QEMU wiki will be edited to point
to this documentation, so that we only need to keep it updated in one
place.

0. https://wiki.qemu.org/Documentation/Platforms/POWER
1. https://qemu.readthedocs.io/en/latest/system/ppc/pseries.html

Signed-off-by: Leonardo Garcia <lagarcia@br.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <66b6fdde52062fdf4f4b4dc35a9f06a899c88293.1638981899.git.lagarcia@br.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:13 +01:00
Daniel Henrique Barboza
3e8f715815 docs/system/ppc/powernv.rst: document KVM support status
Put in a more accessible place the reasoning behind our decision
to officially drop KVM support in the powernv machine.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20211130133153.444601-3-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:13 +01:00
Leonardo Garcia
58c49ef5c4 docs: Minor updates on the powernv documentation.
Signed-off-by: Leonardo Garcia <lagarcia@br.ibm.com>
[ clg: replaced Power9 by POWER9 ]
Message-Id: <c387f883b3db34d9fcb44ccac2ef11c35a25e18c.1637669345.git.lagarcia@br.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:13 +01:00
Zhang Chen
036ef344b6 docs/block-replication.txt: Fix replication top-id command demo
This demo not correct, the original childs1 can't pass the
the bdrv_is_root_node check in replcation_start().
Keep consistent with docs/COLO-FT.txt

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20211018085044.2788276-1-chen.zhang@intel.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-12-17 11:35:00 +01:00
Richard Henderson
29eb5c2c86 * improve compatibility for macOS scripts/entitlement.sh (Evan)
* add support for KVM_GUESTDBG_BLOCKIRQ (Maxim)
 * update linux-headers to Linux 5.16 (myself)
 * configure cleanups (myself)
 * lsi53c895a assertion failure fix (Philippe)
 * fix incorrect description for die-id (Yanan)
 * support for NUMA in SGX enclave memory (Yang Zhong)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* improve compatibility for macOS scripts/entitlement.sh (Evan)
* add support for KVM_GUESTDBG_BLOCKIRQ (Maxim)
* update linux-headers to Linux 5.16 (myself)
* configure cleanups (myself)
* lsi53c895a assertion failure fix (Philippe)
* fix incorrect description for die-id (Yanan)
* support for NUMA in SGX enclave memory (Yang Zhong)

# gpg: Signature made Wed 15 Dec 2021 02:49:44 AM PST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [unknown]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.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: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  configure: remove dead variables
  doc: Add the SGX numa description
  numa: Support SGX numa in the monitor and Libvirt interfaces
  numa: Enable numa for SGX EPC sections
  kvm: add support for KVM_GUESTDBG_BLOCKIRQ
  gdbstub, kvm: let KVM report supported singlestep flags
  gdbstub: reject unsupported flags in handle_set_qemu_sstep
  linux-headers: update to 5.16-rc1
  virtio-gpu: do not byteswap padding
  scripts/entitlement.sh: Use backward-compatible cp flags
  qapi/machine.json: Fix incorrect description for die-id
  tests/qtest: Add fuzz-lsi53c895a-test
  hw/scsi/lsi53c895a: Do not abort when DMA requested and no data queued

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-12-16 08:39:20 -08:00
Joel Stanley
b662fac6aa docs: aspeed: ADC is now modelled
Move it to the supported list.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-id: 20211117065752.330632-5-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-12-15 10:11:34 +00:00
Joel Stanley
9d5dcb8512 docs: aspeed: Give an example of booting a kernel
A common use case for the ASPEED machine is to boot a Linux kernel.
Provide a full example command line.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-id: 20211117065752.330632-4-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-12-15 10:11:34 +00:00
Joel Stanley
38b1ed6c90 docs: aspeed: Update OpenBMC image URL
This is the latest URL for the OpenBMC CI. The old URL still works, but
redirects.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-id: 20211117065752.330632-3-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-12-15 10:11:34 +00:00
Joel Stanley
0b052414bd docs: aspeed: Add new boards
Add X11, FP5280G2, G220A, Rainier and Fuji. Mention that Swift will be
removed in v7.0.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20211117065752.330632-2-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-12-15 10:11:34 +00:00
Yang Zhong
d1889b3609 doc: Add the SGX numa description
Add the SGX numa reference command and how to check if
SGX numa is support or not with multiple EPC sections.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20211101162009.62161-5-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-12-10 09:47:18 +01:00
Richard Henderson
3c87012e38 * Documentation updates
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Merge tag 'pull-request-2021-11-22' of https://gitlab.com/thuth/qemu into staging

* Documentation updates

# gpg: Signature made Mon 22 Nov 2021 03:05:39 PM CET
# 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 <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]

* tag 'pull-request-2021-11-22' of https://gitlab.com/thuth/qemu:
  docs: Render binary names as monospaced text
  docs: Use double quotes instead of single quotes for COLO
  docs: Drop deprecated 'props' from object-add
  Fix some typos in documentation (found by codespell)
  docs: List more commit-message tags in "submitting-a-patch"
  docs: Fix botched rST conversion of 'submitting-a-patch.rst'

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-22 23:21:28 +01:00
Philippe Mathieu-Daudé
c5ba621954 docs: Render binary names as monospaced text
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211118192744.64325-1-philmd@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-22 15:02:38 +01:00
Rao, Lei
eff708a876 docs: Use double quotes instead of single quotes for COLO
Signed-off-by: Lei Rao <lei.rao@intel.com>
Message-Id: <1637567387-28250-2-git-send-email-lei.rao@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-22 15:02:38 +01:00
Rao, Lei
8f75cae2dd docs: Drop deprecated 'props' from object-add
In commit 5024340745 "qapi/qom: Drop deprecated 'props' from
object-add" (v6.0.0), we also should update documents.

Signed-off-by: Lei Rao <lei.rao@intel.com>
Message-Id: <1637567387-28250-1-git-send-email-lei.rao@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-22 15:02:38 +01:00
Stefan Weil
b980c1aec6 Fix some typos in documentation (found by codespell)
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20211117210702.1393570-1-sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[thuth: "what's" --> "what is" as suggested by philmd]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-22 15:02:38 +01:00
Kashyap Chamarthy
93e86b1664 docs: List more commit-message tags in "submitting-a-patch"
Add some more examples of commonly used commit-message tags.

(Thanks: Alex Bennée)

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20211119193118.949698-3-kchamart@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-22 15:02:38 +01:00
Kashyap Chamarthy
cd6b1674d6 docs: Fix botched rST conversion of 'submitting-a-patch.rst'
I completely botched up the merged[0] rST conversion of this document by
accidentally dropping entire hunks (!) of text. :-(  I made it very hard
for reviewers to spot it, as the omitted text was buried deep in the
document.  To fix my hatchet job, I reconverted the "SubmitAPatch"
wiki[1] page from scratch and replaced the existing rST with it, while
making sure I incorporated previous feedback.

In summary, in this reconverted edition:

- I did a careful (to the extent my eyes allowed) para-by-para
  comparison of the wiki and the rST to make sure I didn't omit
  anything accidentally.

- I made sure to work in the cosmetic feedback[2] that Thomas Huth
  pointed out in the merged (and botched) edition:

   - fix the hyperlinks in "Split up long patches"

   - replace ".". with "does not end with a dot" (in "Write a meaningful
     commit message" section)

   - replace "---" with ``---`` so that it doesn't render as an em-dash
     (there were two other occurrences; I fixed those too)

- Use "QEMU" spelling consistently in prose usage

- Add a consistent "refer to git-config" link where appropriate

Thanks to Thomas Huth and Alex Bennée for noticing it on IRC.  And sorry
for my sloppiness.

Fixes: 9f73de8df0 ("docs: rSTify the "SubmitAPatch" wiki")

[0] https://gitlab.com/qemu-project/qemu/-/commit/9f73de8df033
[1] https://wiki.qemu.org/index.php?title=Contribute/SubmitAPatch&oldid=10387
[2] https://lists.nongnu.org/archive/html/qemu-devel/2021-11/msg03600.html

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20211119193118.949698-2-kchamart@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[thuth: Some more cosmetical changes, fixed links from external to internal]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-22 15:02:38 +01:00
Thomas Huth
6b717a8d44 hw/misc/sifive_u_otp: Use IF_PFLASH for the OTP device instead of IF_NONE
Configuring a drive with "if=none" is meant for creation of a backend
only, it should not get automatically assigned to a device frontend.
Use "if=pflash" for the One-Time-Programmable device instead (like
it is e.g. also done for the efuse device in hw/arm/xlnx-zcu102.c).

Since the old way of configuring the device has already been published
with the previous QEMU versions, we cannot remove this immediately, but
have to deprecate it and support it for at least two more releases.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20211119102549.217755-1-thuth@redhat.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-11-22 10:43:54 +10:00
Richard Henderson
8627edfb3f Bugfixes for 6.2.
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

Bugfixes for 6.2.

# gpg: Signature made Fri 19 Nov 2021 10:33:29 AM CET
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  chardev/wctable: don't free the instance in wctablet_chr_finalize
  meson.build: Support ncurses on MacOS and OpenBSD
  docs: Spell QEMU all caps
  qtest/am53c974-test: add test for reset before transfer
  esp: ensure that async_len is reset to 0 during esp_hard_reset()
  nvmm: Fix support for stable version
  meson: fix botched compile check conversions

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-19 17:16:57 +01:00
Philippe Mathieu-Daudé
5135fe7110 docs: Spell QEMU all caps
Replace Qemu -> QEMU.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20211118143401.4101497-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-19 10:16:58 +01:00
Klaus Jensen
916b0f0b52 hw/nvme: change nvme-ns 'shared' default
Change namespaces to be shared namespaces by default (parameter
shared=on). Keep shared=off for older machine types.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2021-11-19 07:31:56 +01:00
Kashyap Chamarthy
9f73de8df0 docs: rSTify the "SubmitAPatch" wiki
- The original wiki is here[1]. I copied the wiki source[2] into a .wiki
  file, and used `pandoc` to convert it to rST:

    $> pandoc -f Mediawiki -t rst submitting-a-patch.wiki -o
       submitting-a-patch.rst

- The only minor touch-ups I did was to fix URLs.  But 99%, it is a 1-1
  conversion.

  (An example of a "touch-up": under the section "Patch emails must
  include a Signed-off-by: line", I updated the "see SubmittingPatches
  1.12"  to "1.12) Sign your work")

- I have also converted a couple other related wiki pages (included in
  this patch series) that were hyperlinked within the SubmitAPatch page,
  or a page that it refers to:

  - SubmitAPullRequest: https://wiki.qemu.org/Contribute/SubmitAPullRequest
  - TrivialPatches: https://wiki.qemu.org/Contribute/TrivialPatches

- Over time, many people contributed to this wiki page; you can find all
  the authors in the wiki history[3].

[1] https://wiki.qemu.org/Contribute/SubmitAPatch
[2] http://wiki.qemu.org/index.php?title=Contribute/SubmitAPatch&action=edit
[3] http://wiki.qemu.org/index.php?title=Contribute/SubmitAPatch&action=history

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20211110144902.388183-4-kchamart@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[thuth: Cosmetic fixes]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-17 10:17:28 +01:00
Kashyap Chamarthy
0ff0dcf6b5 docs: rSTify the "SubmitAPullRequest" wiki
The original wiki is here[1].  I converted by copying the wiki source
into a .wiki file and convert to rST using `pandoc`:

    $ pandoc -f Mediawiki -t rst submitting-a-pull-request.wiki \
        -o submitting-a-pull-request.rst

This is a 1-1 conversion; no content changes.

[1] https://wiki.qemu.org/Contribute/SubmitAPullRequest

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211110144902.388183-3-kchamart@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-17 10:17:28 +01:00
Kashyap Chamarthy
0c8c45140c docs: rSTify the "TrivialPatches" wiki
The original wiki is here[1].  I converted by copying the wiki source
into a .wiki file and convert to rST using `pandoc`:

        $ pandoc -f Mediawiki -t rst trivial-patches.wiki -o trivial-patches.rst

Update the active maintainer names (and drop Michael Tokarev's inactive
repo) to reflect current reality.

[1] https://wiki.qemu.org/Contribute/TrivialPatches

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211110144902.388183-2-kchamart@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-11-17 10:17:28 +01:00
Cleber Rosa
d7c2e2b3f4 Jobs based on custom runners: add CentOS Stream 8
This introduces three different parts of a job designed to run
on a custom runner managed by Red Hat.  The goals include:

  a) propose a model for other organizations that want to onboard
     their own runners, with their specific platforms, build
     configuration and tests.

  b) bring awareness to the differences between upstream QEMU and the
     version available under CentOS Stream, which is "A preview of
     upcoming Red Hat Enterprise Linux minor and major releases".

  c) because of b), it should be easier to identify and reduce the gap
     between Red Hat's downstream and upstream QEMU.

The components of this custom job are:

  I) OS build environment setup code:

     - additions to the existing "build-environment.yml" playbook
       that can be used to set up CentOS/EL 8 systems.

     - a CentOS Stream 8 specific "build-environment.yml" playbook
       that adds to the generic one.

 II) QEMU build configuration: a script that will produce binaries with
     features as similar as possible to the ones built and packaged on
     CentOS stream 8.

III) Scripts that define the minimum amount of testing that the
     binaries built with the given configuration (point II) under the
     given OS build environment (point I) should be subjected to.

 IV) Job definition: GitLab CI jobs that will dispatch the build/test
     jobs (see points #II and #III) to the machine specifically
     configured according to #I.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20211111160501.862396-2-crosa@redhat.com>
Message-Id: <20211115142915.3797652-6-alex.bennee@linaro.org>
2021-11-16 16:19:53 +00:00
Kevin Wolf
4d8b0f0a95 docs: Deprecate incorrectly typed device_add arguments
While introducing a non-QemuOpts code path for device creation for JSON
-device, we noticed that QMP device_add doesn't check its input
correctly (accepting arguments that should have been rejected), and that
users may be relying on this behaviour (libvirt did until it was fixed
recently).

Let's use a deprecation period before we fix this bug in QEMU to avoid
nasty surprises for users.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20211111143530.18985-1-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20211115145409.176785-12-kwolf@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-11-16 09:43:50 +01:00
Philippe Mathieu-Daudé
f1f727ac8a tcg: Remove TCI experimental status
The following commits (released in v6.0.0) made raised the
quality of the TCI backend to the other TCG architectures,
thus is is not considerated experimental anymore:
- c6fbea47664..2f74f45e32b
- dc09f047edd..9e9acb7b348
- b6139eb0578..2fc6f16ca5e
- dbcbda2cd84..5e8892db93f

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211106111457.517546-1-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-11 11:47:01 +01:00
Richard Henderson
b30187ef02 QAPI patches patches for 2021-11-10
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Merge tag 'pull-qapi-2021-11-10' of git://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2021-11-10

# gpg: Signature made Wed 10 Nov 2021 06:21:23 AM CET
# 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]

* tag 'pull-qapi-2021-11-10' of git://repo.or.cz/qemu/armbru:
  qapi: Belatedly mark unstable QMP parts with feature 'unstable'
  docs/devel/qapi-code-gen: Belatedly document feature documentation
  docs/devel/qapi-code-gen: Drop a duplicate paragraph

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-10 11:25:03 +01:00
Markus Armbruster
53e9e547d2 docs/devel/qapi-code-gen: Belatedly document feature documentation
Commit 6a8c0b5102 "qapi: Add feature flags to struct types" neglected
to document how to document feature flags.  Make up for that.

Cc: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20211026111023.76937-3-armbru@redhat.com>
[Editing accident fixed]
2021-11-10 06:10:11 +01:00
Markus Armbruster
13b86cbd2c docs/devel/qapi-code-gen: Drop a duplicate paragraph
Commit 55ec69f8b1 "docs/devel/qapi-code-gen.txt: Update to new rST
backend conventions" accidentally duplicated a paragraph.  Drop it.

Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20211026111023.76937-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2021-11-10 06:10:11 +01:00
Vladimir Sementsov-Ogievskiy
1084159b31 qapi: deprecate drive-backup
Modern way is using blockdev-add + blockdev-backup, which provides a
lot more control on how target is opened.

As example of drive-backup problems consider the following:

User of drive-backup expects that target will be opened in the same
cache and aio mode as source. Corresponding logic is in
drive_backup_prepare(), where we take bs->open_flags of source.

It works rather bad if source was added by blockdev-add. Assume source
is qcow2 image. On blockdev-add we should specify aio and cache options
for file child of qcow2 node. What happens next:

drive_backup_prepare() looks at bs->open_flags of qcow2 source node.
But there no BDRV_O_NOCAHE neither BDRV_O_NATIVE_AIO: BDRV_O_NOCAHE is
places in bs->file->bs->open_flags, and BDRV_O_NATIVE_AIO is nowhere,
as file-posix parse options and simply set s->use_linux_aio.

The documentation is updated in a minimal way, so that drive-backup is
noted only as a deprecated command, and blockdev-backup used in most of
places.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2021-11-09 18:21:19 +01:00
Vladimir Sementsov-Ogievskiy
24d6cc1fa1 docs/interop/bitmaps: use blockdev-backup
We are going to deprecate drive-backup, so use modern interface here.
In examples where target image creation is shown, show blockdev-add as
well. If target creation omitted, omit blockdev-add as well.

Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2021-11-09 18:20:47 +01:00
Vladimir Sementsov-Ogievskiy
9a599217a4 docs/block-replication: use blockdev-backup
We are going to deprecate drive-backup, so don't mention it here.
Moreover, blockdev-backup seems more correct in the context.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2021-11-09 18:20:39 +01:00
Philippe Mathieu-Daudé
66d96a1901 docs/about/deprecated: Remove empty 'related binaries' section
Commit 497a30dbb0 ("qemu-img: Require -F with -b backing image")
removed the content of the "Related binaries" section but forgot
to remove the section title. Since it is now empty, remove it too.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Joaquin de Andres <me@xcancerberox.com.ar>
Message-Id: <20211105142656.145791-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-11-09 10:11:27 +01:00
Richard Henderson
114f3c8cc4 Integration testing patches
- Rename tests/acceptance/ -> tests/avocado/
 - Rename avocado_qemu.Test -> avocado_qemu.QemuSystemTest
 - Introduce QemuUserTest class
 - Add the first linux-user test, covering the bFLT loader
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Merge remote-tracking branch 'remotes/philmd/tags/avocado-20211108' into staging

Integration testing patches

- Rename tests/acceptance/ -> tests/avocado/
- Rename avocado_qemu.Test -> avocado_qemu.QemuSystemTest
- Introduce QemuUserTest class
- Add the first linux-user test, covering the bFLT loader

# gpg: Signature made Mon 08 Nov 2021 05:16:46 PM CET
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* remotes/philmd/tags/avocado-20211108:
  tests/avocado: Remove p7zip binary availability check
  tests/avocado: Rename avocado_qemu.Test -> QemuSystemTest
  tests/avocado: Add bFLT loader linux-user test
  tests/avocado: Share useful helpers from virtiofs_submounts test
  tests/avocado: Introduce QemuUserTest base class
  tests/avocado: Make pick_default_qemu_bin() more generic
  tests/avocado: Extract QemuBaseTest from Test
  tests/acceptance: rename tests acceptance to tests avocado
  tests/acceptance: introduce new check-avocado target

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-08 18:50:09 +01:00
Philippe Mathieu-Daudé
2283b627bc tests/avocado: Rename avocado_qemu.Test -> QemuSystemTest
To run user-mode emulation tests, we introduced the
avocado_qemu.QemuUserTest which inherits from avocado_qemu.QemuBaseTest.
System-mode emulation tests are based on the avocado_qemu.Test class,
which also inherits avocado_qemu.QemuBaseTest. To avoid confusion,
rename it as avocado_qemu.QemuSystemTest.

Suggested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211105143416.148332-7-f4bug@amsat.org>
2021-11-08 17:00:22 +01:00
Willian Rampazzo
bbbd9b6ec6 tests/acceptance: rename tests acceptance to tests avocado
In the discussion about renaming the `tests/acceptance` [1], the
conclusion was that the folders inside `tests` are related to the
framework running the tests and not directly related to the type of
the tests.

This changes the folder to `tests/avocado` and adjusts the MAKEFILE, the
CI related files and the documentation.

[1] https://lists.gnu.org/archive/html/qemu-devel/2021-05/msg06553.html

Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20211105155354.154864-3-willianr@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2021-11-08 17:00:22 +01:00
Richard Henderson
5e10ccc270 * Fix off-by-one in MODE SELECT commands
* extend --extra-*flags behavior to meson-based tests
 * allow using snappy in static builds
 * i386 TCG fixes
 * fix build failure when libgbm is not available
 -----BEGIN PGP SIGNATURE-----
 
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 =GH6j
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Fix off-by-one in MODE SELECT commands
* extend --extra-*flags behavior to meson-based tests
* allow using snappy in static builds
* i386 TCG fixes
* fix build failure when libgbm is not available

# gpg: Signature made Mon 08 Nov 2021 12:20:24 PM CET
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* remotes/bonzini/tags/for-upstream:
  ui/gtk-egl: Fix build failure when libgbm is not available
  configure: ignore preexisting QEMU_*FLAGS envvars
  configure: propagate --extra-cflags and --extra-ldflags to meson compile tests
  configure: preserve CFLAGS, CXXFLAGS and LDFLAGS in config.status
  configure: simplify calls to meson_quote
  docs: adjust for demise of scripts/create_config
  meson: perform snappy test with the C++ compiler if used
  hw/scsi/scsi-disk: MODE_PAGE_ALLS not allowed in MODE SELECT commands
  target-i386: mmu: fix handling of noncanonical virtual addresses
  target-i386: mmu: use pg_mode instead of HF_LMA_MASK

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-08 16:23:32 +01:00
Paolo Bonzini
4933436f6a docs: adjust for demise of scripts/create_config
The config-host.h, $TARGET_NAME-config-target.h,
$TARGET_NAME-config-devices.h files are now generated by
configure_file() rather than scripts/create_config.  Adjust
he relevant paragraph in docs/devel/build-system.rst, and take
the occasion to fix a preexisting confusion of *.h vs *.mak.

Reported-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 10:55:59 +01:00
John Snow
c11b3a1dd3 docs/sphinx: change default role to "any"
This interprets single-backtick syntax in all of our Sphinx docs as a
cross-reference to *something*, including Python symbols.

From here on out, new uses of `backticks` will cause a build failure if
the target cannot be referenced.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20211004215238.1523082-4-jsnow@redhat.com>
2021-11-08 12:27:23 +04:00
John Snow
ca0a0d122c docs: (further) remove non-reference uses of single backticks
The series rotted already. Here's the new changes.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
[ extra backticks fixes ]
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20211004215238.1523082-3-jsnow@redhat.com>
2021-11-08 12:27:23 +04:00
John Snow
450e0f28a4 docs: remove non-reference uses of single backticks
The single backtick markup in ReST is the "default role". Currently,
Sphinx's default role is called "content". Sphinx suggests you can use
the "Any" role instead to turn any single-backtick enclosed item into a
cross-reference.

This is useful for things like autodoc for Python docstrings, where it's
often nicer to reference other types with `foo` instead of the more
laborious :py:meth:`foo`. It's also useful in multi-domain cases to
easily reference definitions from other Sphinx domains, such as
referencing C code definitions from outside of kerneldoc comments.

Before we do that, though, we'll need to turn all existing usages of the
"content" role to inline verbatim markup wherever it does not correctly
resolve into a cross-refernece by using double backticks instead.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20211004215238.1523082-2-jsnow@redhat.com>
2021-11-08 12:27:23 +04:00
Marc-André Lureau
9423751645 docs/sphinx: add 's' keyboard binding to focus search
This is pretty ubiquitous. ('/' is already taken by some browsers for
quick search)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 12:27:23 +04:00
Marc-André Lureau
96871b3854 docs/sphinx: set navigation_with_keys=True
Allow navigating to the previous/next page using the keyboard's left and
right arrows. I wish this would be the default, and that the themes
would provide more key navigation, but that doesn't seem on the roadmap.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 12:27:23 +04:00
Marc-André Lureau
ed9e6d65ed meson: drop sphinx_template_files
Static files dependencies is now handled by depfile.py.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 12:27:23 +04:00
Marc-André Lureau
89bcfe780a meson: drop sphinx_extn_depends
Module dependencies is now handled by depfile.py.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 12:27:23 +04:00
Marc-André Lureau
0dd35c1629 docs/sphinx: add templates files to generated depfile
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 12:27:23 +04:00
Marc-André Lureau
905655ea6a docs/sphinx: add static files to generated depfile
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 12:27:23 +04:00
Marc-André Lureau
cd0a9e983c docs/sphinx: add loaded modules to generated depfile
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-08 12:27:23 +04:00
Mahmoud Mandour
b8312e04c8 docs/tcg-plugins: add L2 arguments to cache docs
cache plugin now allows optional L2 per-core cache emulation that can be
configured through plugin arguments, this commit adds this functionality
to the docs.

While I'm at it, I editted the bullet point for cache plugin to say:
    contrib/plugins/cache.c
instead of
    contrib/plugins/cache
to match other plugins.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210810134844.166490-6-ma.mandourr@gmail.com>
Message-Id: <20211026102234.3961636-18-alex.bennee@linaro.org>
2021-11-04 10:32:01 +00:00
Richard Henderson
b1fd92137e * Build system fixes and cleanups
* DMA support in the multiboot option ROM
 * Rename default-bus-bypass-iommu
 * Deprecate -watchdog and cleanup -watchdog-action
 * HVF fix for <PAGE_SIZE regions
 * Support TSC scaling for AMD nested virtualization
 * Fix for ESP fuzzing bug
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 =a2mC
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Build system fixes and cleanups
* DMA support in the multiboot option ROM
* Rename default-bus-bypass-iommu
* Deprecate -watchdog and cleanup -watchdog-action
* HVF fix for <PAGE_SIZE regions
* Support TSC scaling for AMD nested virtualization
* Fix for ESP fuzzing bug

# gpg: Signature made Tue 02 Nov 2021 10:57:37 AM EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* remotes/bonzini/tags/for-upstream: (27 commits)
  configure: fix --audio-drv-list help message
  configure: Remove the check for the __thread keyword
  Move the l2tpv3 test from configure to meson.build
  meson: remove unnecessary coreaudio test program
  meson: remove pointless warnings
  meson.build: Allow to disable OSS again
  meson: bump submodule to 0.59.3
  qtest/am53c974-test: add test for cancelling in-flight requests
  esp: ensure in-flight SCSI requests are always cancelled
  KVM: SVM: add migration support for nested TSC scaling
  hw/i386: fix vmmouse registration
  watchdog: remove select_watchdog_action
  vl: deprecate -watchdog
  watchdog: add information from -watchdog help to -device help
  hw/i386: Rename default_bus_bypass_iommu
  hvf: Avoid mapping regions < PAGE_SIZE as ram
  configure: do not duplicate CPU_CFLAGS into QEMU_LDFLAGS
  configure: remove useless NPTL probe
  target/i386: use DMA-enabled multiboot ROM for new-enough QEMU machine types
  optionrom: add a DMA-enabled multiboot ROM
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-03 13:07:30 -04:00
Richard Henderson
e86e00a249 Initial conversion of HMP debugging commands to QMP
This introduces a new policy that all HMP commands will be converted to
 have QMP equivalents, marked unstable if no formal QAPI modelling is
 intended to be done.
 
 New unstable commands are added as follows:
 
   - HMP "info roms" => QMP "x-query-roms"
   - HMP "info profile" => QMP "x-query-profile"
   - HMP "info numa" => QMP "x-query-numa"
   - HMP "info usb" => QMP "x-query-usb"
   - HMP "info rdma" => QMP "x-query-rdma"
   - HMP "info ramblock" => QMP "x-query-ramblock"
   - HMP "info irq" => QMP "x-query-irq"
   - HMP "info jit" => QMP "x-query-jit"
   - HMP "info opcount" => QMP "x-query-opcount"
 -----BEGIN PGP SIGNATURE-----
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/berrange/tags/hmp-x-qmp-620-pull-request' into staging

Initial conversion of HMP debugging commands to QMP

This introduces a new policy that all HMP commands will be converted to
have QMP equivalents, marked unstable if no formal QAPI modelling is
intended to be done.

New unstable commands are added as follows:

  - HMP "info roms" => QMP "x-query-roms"
  - HMP "info profile" => QMP "x-query-profile"
  - HMP "info numa" => QMP "x-query-numa"
  - HMP "info usb" => QMP "x-query-usb"
  - HMP "info rdma" => QMP "x-query-rdma"
  - HMP "info ramblock" => QMP "x-query-ramblock"
  - HMP "info irq" => QMP "x-query-irq"
  - HMP "info jit" => QMP "x-query-jit"
  - HMP "info opcount" => QMP "x-query-opcount"

# gpg: Signature made Tue 02 Nov 2021 01:54:28 PM EDT
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]

* remotes/berrange/tags/hmp-x-qmp-620-pull-request:
  qapi: introduce x-query-opcount QMP command
  qapi: introduce x-query-jit QMP command
  qapi: introduce x-query-irq QMP command
  qapi: introduce x-query-ramblock QMP command
  qapi: introduce x-query-rdma QMP command
  qapi: introduce x-query-usb QMP command
  qapi: introduce x-query-numa QMP command
  qapi: introduce x-query-profile QMP command
  qapi: introduce x-query-roms QMP command
  docs/devel: document expectations for HMP commands in the future
  docs/devel: add example of command returning unstructured text
  docs/devel: document expectations for QAPI data modelling for QMP
  monitor: introduce HumanReadableText and HMP support
  docs/devel: update error handling guidance for HMP commands
  docs/devel: tweak headings in monitor command docs
  docs/devel: rename file for writing monitor commands
  monitor: make hmp_handle_error return a boolean
  monitor: remove 'info ioapic' HMP command

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-03 08:04:32 -04:00
Richard Henderson
58b6476164 MAINTAINERS: audio updates
microvm: device tree support
 console: chardev fixes
 misc: deprecate sga
 usb: fix struct usb_msd_csw
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 =cLSX
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/misc-20211102-pull-request' into staging

MAINTAINERS: audio updates
microvm: device tree support
console: chardev fixes
misc: deprecate sga
usb: fix struct usb_msd_csw

# gpg: Signature made Tue 02 Nov 2021 12:26:07 PM EDT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]

* remotes/kraxel/tags/misc-20211102-pull-request:
  usb-storage: tag usb_msd_csw as packed struct
  hw/misc: deprecate the 'sga' device
  ui/console: remove chardev frontend connected test
  ui/console: replace kbd_timer with chr_accept_input callback
  ui/console: replace QEMUFIFO with Fifo8
  ui/gtk: skip any extra draw of same guest scanout blob res
  ui/gtk: Update the refresh rate for gl-area too
  microvm: add device tree support.
  MAINTAINERS: add myself as partial audio reviewer
  MAINTAINERS: Add myself as a reviewer for SDL audio

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-03 02:28:14 -04:00
Daniel P. Berrangé
7c8d295b27 hw/misc: deprecate the 'sga' device
This is obsolete since SeaBIOS 1.11.0 introduced native support for
sending messages to the serial console. The new support can be
activated using -machine graphics=off on x86 targets.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20210909123219.862652-1-berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-11-02 17:24:18 +01:00
Daniel P. Berrangé
3d312f417d docs/devel: document expectations for HMP commands in the future
We no longer wish to have commands implemented in HMP only. All commands
should start with a QMP implementation and the HMP merely be a shim
around this. To reduce the burden of implementing QMP commands where
there is low expectation of machine usage, requirements for QAPI
modelling are relaxed provided the command is under the "x-" name
prefix.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02 15:55:13 +00:00
Daniel P. Berrangé
a45cfcbb01 docs/devel: add example of command returning unstructured text
This illustrates how to add a QMP command returning unstructured text,
following the guidelines added in the previous patch. The example uses
a simplified version of 'info roms'.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02 15:55:13 +00:00
Daniel P. Berrangé
f2de406f29 docs/devel: document expectations for QAPI data modelling for QMP
Traditionally we have required that newly added QMP commands will model
any returned data using fine grained QAPI types. This is good for
commands that are intended to be consumed by machines, where clear data
representation is very important. Commands that don't satisfy this have
generally been added to HMP only.

In effect the decision of whether to add a new command to QMP vs HMP has
been used as a proxy for the decision of whether the cost of designing a
fine grained QAPI type is justified by the potential benefits.

As a result the commands present in QMP and HMP are non-overlapping
sets, although HMP comamnds can be accessed indirectly via the QMP
command 'human-monitor-command'.

One of the downsides of 'human-monitor-command' is that the QEMU monitor
APIs remain tied into various internal parts of the QEMU code. For
example any exclusively HMP command will need to use 'monitor_printf'
to get data out. It would be desirable to be able to fully isolate the
monitor implementation from QEMU internals, however, this is only
possible if all commands are exclusively based on QAPI with direct
QMP exposure.

The way to achieve this desired end goal is to finese the requirements
for QMP command design. For cases where the output of a command is only
intended for human consumption, it is reasonable to want to simplify
the implementation by returning a plain string containing formatted
data instead of designing a fine grained QAPI data type. This can be
permitted if-and-only-if the command is exposed under the 'x-' name
prefix. This indicates that the command data format is liable to
future change and that it is not following QAPI design best practice.

The poster child example for this would be the 'info registers' HMP
command which returns printf formatted data representing CPU state.
This information varies enourmously across target architectures and
changes relatively frequently as new CPU features are implemented.
It is there as debugging data for human operators, and any machine
usage would treat it as an opaque blob. It is thus reasonable to
expose this in QMP as 'x-query-registers' returning a 'str' field.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02 15:55:13 +00:00
Daniel P. Berrangé
6fa6b54f5b docs/devel: update error handling guidance for HMP commands
Best practice is to use the 'hmp_handle_error' function, not
'monitor_printf' or 'error_report_err'. This ensures that the
message always gets an 'Error: ' prefix, distinguishing it
from normal command output.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02 15:55:13 +00:00
Daniel P. Berrangé
fa2613afa1 docs/devel: tweak headings in monitor command docs
The new headings reflect the intended structure of the document and will
better suit additions that follow.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02 15:55:13 +00:00
Daniel P. Berrangé
0e33e3d2c4 docs/devel: rename file for writing monitor commands
The file already covers writing HMP commands, in addition to
the QMP commands, so it deserves a more general name.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02 15:55:13 +00:00
Paolo Bonzini
d12b64eaeb vl: deprecate -watchdog
-watchdog is the same as -device except that it is case insensitive (and it
allows only watchdog devices of course).  Now that "-device help" can list
as such the available watchdog devices, we can deprecate it.

Note that even though -watchdog tries to be case insensitive, it fails
at that: "-watchdog i6300xyz" fails with "Unknown -watchdog device",
but "-watchdog i6300ESB" also fails (when the generated -device option
is processed) with an error "'i6300ESB' is not a valid device model name".
For this reason, the documentation update does not mention the case
insensitivity of -watchdog.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-02 15:57:27 +01:00
Eric Blake
9a5d135267 qemu-img: Consistent docs for convert -F
Use consistent capitalization, and fix a missed line (we duplicate the
qemu-img synopses in too many places).

Fixes: 1899bf4737 (qemu-img: Add -F shorthand to convert)
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210921142812.2631605-1-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-11-02 12:47:51 +01:00
Markus Armbruster
a3c45b3e62 qapi: New special feature flag "unstable"
By convention, names starting with "x-" are experimental.  The parts
of external interfaces so named may be withdrawn or changed
incompatibly in future releases.

The naming convention makes unstable interfaces easy to recognize.
Promoting something from experimental to stable involves a name
change.  Client code needs to be updated.  Occasionally bothersome.

Worse, the convention is not universally observed:

* QOM type "input-barrier" has properties "x-origin", "y-origin".
  Looks accidental, but it's ABI since 4.2.

* QOM types "memory-backend-file", "memory-backend-memfd",
  "memory-backend-ram", and "memory-backend-epc" have a property
  "x-use-canonical-path-for-ramblock-id" that is documented to be
  stable despite its name.

We could document these exceptions, but documentation helps only
humans.  We want to recognize "unstable" in code, like "deprecated".

So support recognizing it the same way: introduce new special feature
flag "unstable".  It will be treated specially by the QAPI generator,
like the existing feature flag "deprecated", and unlike regular
feature flags.

This commit updates documentation and prepares tests.  The next commit
updates the QAPI schema.  The remaining patches update the QAPI
generator and wire up -compat policy checking.

Management applications can then use query-qmp-schema and -compat to
manage or guard against use of unstable interfaces the same way as for
deprecated interfaces.

docs/devel/qapi-code-gen.txt no longer mandates the naming convention.
Using it anyway might help writers of programs that aren't
full-fledged management applications.  Not using it can save us
bothersome renames.  We'll see how that shakes out.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20211028102520.747396-2-armbru@redhat.com>
2021-10-29 15:55:52 +02:00
Markus Armbruster
b6c18755e4 qapi: Add feature flags to enum members
This is quite similar to commit 84ab008687 "qapi: Add feature flags to
struct members", only for enums instead of structs.

Special feature flag 'deprecated' is silently ignored there.  This is
okay only because it will be implemented shortly.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20211025042405.3762351-3-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2021-10-27 17:18:55 +02:00
Markus Armbruster
75ecee7262 qapi: Enable enum member introspection to show more than name
The next commit will add feature flags to enum members.  There's a
problem, though: query-qmp-schema shows an enum type's members as an
array of member names (SchemaInfoEnum member @values).  If it showed
an array of objects with a name member, we could simply add more
members to these objects.  Since it's just strings, we can't.

I can see three ways to correct this design mistake:

1. Do it the way we should have done it, plus compatibility goo.

   We want a ['SchemaInfoEnumMember'] member in SchemaInfoEnum.  Since
   changing @values would be a compatibility break, add a new member
   @members instead.

   @values is now redundant.  In my testing, output of
   qemu-system-x86_64's query-qmp-schema grows by 11% (18.5KiB).

   We can deprecate @values now and drop it later.  This will break
   outmoded clients.  Well-behaved clients such as libvirt are
   expected to break cleanly.

2. Like 1, but omit "boring" elements of @member, and empty @member.

   @values does not become redundant.  @members augments it.  Somewhat
   cumbersome, but output of query-qmp-schema grows only as we make
   enum members non-boring.

   There is nothing to deprecate here.

3. Versioned query-qmp-schema.

   query-qmp-schema provides either @values or @members.  The QMP
   client can select which version it wants.  There is no redundant
   output.

   We can deprecate old versions and eventually drop them.  This will
   break outmoded clients.  Breaking cleanly is easier than for 1.

   While 1 and 2 operate within the common rules for compatible
   evolution apply (section "Compatibility considerations" in
   docs/devel/qapi-code-gen.rst), 3 bypasses them.  Attractive when
   operating within the rules is just too awkward.  Not the case here.

This commit implements 1.  Libvirt developers prefer it.

Deprecate @values in favour of @members.  Since query-qmp-schema
compatibility is pretty fundamental for management applications, an
extended grace period is advised.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Peter Krempa <pkrempa@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Message-Id: <20211025042405.3762351-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2021-10-27 17:18:43 +02:00
Vivek Goyal
5afc8df46c virtiofsd: xattr mapping add a new type "unsupported"
Right now for xattr remapping, we support types of "prefix", "ok" or "bad".
Type "bad" returns -EPERM on setxattr and hides xattr in listxattr. For
getxattr, mapping code returns -EPERM but getxattr code converts it to -ENODATA.

I need a new semantics where if an xattr is unsupported, then
getxattr()/setxattr() return -ENOTSUP and listxattr() should hide the xattr.
This is needed to simulate that security.selinux is not supported by
virtiofs filesystem and in that case client falls back to some default
label specified by policy.

So add a new type "unsupported" which returns -ENOTSUP on getxattr() and
setxattr() and hides xattrs in listxattr().

For example, one can use following mapping rule to not support
security.selinux xattr and allow others.

"-o xattrmap=/unsupported/all/security.selinux/security.selinux//ok/all///"

Suggested-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Message-Id: <YUt9qbmgAfCFfg5t@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-10-25 18:48:23 +01:00
Mathieu Poirier
c47d4fa0c8 docs: Add documentation for vhost based RNG implementation
Add description and example for the vhost-user based RNG implementation.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Message-Id: <20211012205904.4106769-4-mathieu.poirier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-10-20 04:37:55 -04:00
Paolo Bonzini
3b4da13293 configure: automatically parse command line for meson -D options
Right now meson_options.txt lists about 90 options.  Each option
needs code in configure to parse it and pass the option down to Meson as
a -D command-line argument; in addition the default must be duplicated
between configure and meson_options.txt.  This series tries to remove
the code duplication by generating the case statement for those --enable
and --disable options, as well as the corresponding help text.

About 80% of the options can be handled completely by the new mechanism.
Eight meson options are not of the --enable/--disable kind.  Six more need
to be parsed in configure for various reasons documented in the patch,
but they still have their help automatically generated.

The advantages are:

- less code in configure

- parsing and help is more consistent (for example --enable-blobs was
  not supported)

- options are described entirely in one place, meson_options.txt.
  This make it more attractive to use Meson options instead of
  hand-crafted configure options and config-host.mak

A few options change name: --enable-tcmalloc and --enable-jemalloc
become --enable-malloc={tcmalloc,jemalloc}; --disable-blobs becomes
--disable-install-blobs; --enable-trace-backend becomes
--enable-trace-backends.  However, the old names are allowed
for backwards compatibility.

Message-Id: <20211007130829.632254-19-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-14 09:51:06 +02:00
Paolo Bonzini
9c29b74100 trace: move configuration from configure to Meson
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20211007130829.632254-4-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-14 09:50:56 +02:00
Richard Henderson
f83bcecb1f accel/tcg: Add cpu_{ld,st}*_mmu interfaces
These functions are much closer to the softmmu helper
functions, in that they take the complete MemOpIdx,
and from that they may enforce required alignment.

The previous cpu_ldst.h functions did not have alignment info,
and so did not enforce it.  Retain this by adding MO_UNALN to
the MemOp that we create in calling the new functions.

Note that we are not yet enforcing alignment for user-only,
but we now have the information with which to do so.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-10-13 08:09:53 -07:00
Paolo Bonzini
654d6b0453 meson: switch minimum meson version to 0.58.2, minimum recommended to 0.59.2
Meson 0.58.2 does not need b_staticpic=$pie anymore, and has
stabilized the keyval module.  Remove the workaround and use a few
replacements for features deprecated in the 0.57.0 release cycle.

One feature that we would like to use is passing dependencies to
summary.  However, that was broken in 0.59.0 and 0.59.1.  Therefore,
use the embedded Meson if the host has anything older than 0.59.2,
but allow --meson= to use 0.58.2.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-05 13:10:29 +02:00
Vitaly Kuznetsov
7f7c8d0ce3 i386: docs: Briefly describe KVM PV features
KVM PV features don't seem to be documented anywhere, in particular, the
fact that some of the features are enabled by default and some are not can
only be figured out from the code.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20211004140445.624875-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-05 12:47:24 +02:00
Paolo Bonzini
16e79e1b01 docs: reorganize testing.rst
Clean up the heading levels to use === --- ~~~ ^^^ '''.  Reorganize the
outline for the Avocado part, and always include headings for the
class names.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
9fce360176 docs: move gcov section at the end of testing.rst
gcov testing applies to all tests, not just make check.  Move it
out of the make check section.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
e9adb4ace2 docs: reorganize tcg-plugins.rst
Clean up the heading levels to use === --- ~~~, and create a new "writing
plugins" section.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
768f14f94e docs: reorganize qgraph.rst
Clean up the heading levels to use === --- ~~~, and move the command line
building near to the other execution steps.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
8b8939e44f docs: put "make" information together in build-system.rst
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
f9df7aac75 docs: move notes inside the body of the document
Make all documents start with a heading.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Paolo Bonzini
bcfdfae78f docs: name included files ".rst.inc"
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Vitaly Kuznetsov
f701ecec2b i386: Change the default Hyper-V version to match WS2016
KVM implements some Hyper-V 2016 functions so providing WS2008R2 version
is somewhat incorrect. While generally guests shouldn't care about it
and always check feature bits, it is known that some tools in Windows
actually check version info.

For compatibility reasons make the change for 6.2 machine types only.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210902093530.345756-9-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Vitaly Kuznetsov
af7228b88d i386: Make Hyper-V version id configurable
Currently, we hardcode Hyper-V version id (CPUID 0x40000002) to
WS2008R2 and it is known that certain tools in Windows check this. It
seems useful to provide some flexibility by making it possible to change
this info at will. CPUID information is defined in TLFS as:

EAX: Build Number
EBX Bits 31-16: Major Version
    Bits 15-0: Minor Version
ECX Service Pack
EDX Bits 31-24: Service Branch
    Bits 23-0: Service Number

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210902093530.345756-8-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Vitaly Kuznetsov
e1f9a8e8c9 i386: Implement pseudo 'hv-avic' ('hv-apicv') enlightenment
The enlightenment allows to use Hyper-V SynIC with hardware APICv/AVIC
enabled. Normally, Hyper-V SynIC disables these hardware features and
suggests the guest to use paravirtualized AutoEOI feature. Linux-4.15
gains support for conditional APICv/AVIC disablement, the feature
stays on until the guest tries to use AutoEOI feature with SynIC. With
'HV_DEPRECATING_AEOI_RECOMMENDED' bit exposed, modern enough Windows/
Hyper-V versions should follow the recommendation and not use the
(unwanted) feature.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210902093530.345756-7-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Vitaly Kuznetsov
70367f0917 i386: Support KVM_CAP_HYPERV_ENFORCE_CPUID
By default, KVM allows the guest to use all currently supported Hyper-V
enlightenments when Hyper-V CPUID interface was exposed, regardless of if
some features were not announced in guest visible CPUIDs. hv-enforce-cpuid
feature alters this behavior and only allows the guest to use exposed
Hyper-V enlightenments. The feature is supported by Linux >= 5.14 and is
not enabled by default in QEMU.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210902093530.345756-5-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 19:04:45 +02:00
Yanan Wang
c2511b1632 machine: Deprecate "parameter=0" SMP configurations
In the SMP configuration, we should either provide a topology
parameter with a reasonable value (greater than zero) or just
omit it and QEMU will compute the missing value.

The users shouldn't provide a configuration with any parameter
of it specified as zero (e.g. -smp 8,sockets=0) which could
possibly cause unexpected results in the -smp parsing. So we
deprecate this kind of configurations since 6.2 by adding the
explicit sanity check.

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210929025816.21076-3-wangyanan55@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 15:27:56 +02:00
Peter Maydell
bb4aa8f59e target-arm queue:
* allwinner-h3: Switch to SMC as PSCI conduit
  * arm: tcg: Adhere to SMCCC 1.3 section 5.2
  * xlnx-zcu102, xlnx-versal-virt: Support BBRAM and eFUSE devices
  * gdbstub related code cleanups
  * Don't put FPEXC and FPSID in org.gnu.gdb.arm.vfp XML
  * Use _init vs _new convention in bus creation function names
  * sabrelite: Connect SPI flash CS line to GPIO3_19
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210930' into staging

target-arm queue:
 * allwinner-h3: Switch to SMC as PSCI conduit
 * arm: tcg: Adhere to SMCCC 1.3 section 5.2
 * xlnx-zcu102, xlnx-versal-virt: Support BBRAM and eFUSE devices
 * gdbstub related code cleanups
 * Don't put FPEXC and FPSID in org.gnu.gdb.arm.vfp XML
 * Use _init vs _new convention in bus creation function names
 * sabrelite: Connect SPI flash CS line to GPIO3_19

# gpg: Signature made Thu 30 Sep 2021 16:11:20 BST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20210930: (22 commits)
  hw/arm: sabrelite: Connect SPI flash CS line to GPIO3_19
  ide: Rename ide_bus_new() to ide_bus_init()
  qbus: Rename qbus_create() to qbus_new()
  qbus: Rename qbus_create_inplace() to qbus_init()
  pci: Rename pci_root_bus_new_inplace() to pci_root_bus_init()
  ipack: Rename ipack_bus_new_inplace() to ipack_bus_init()
  scsi: Replace scsi_bus_new() with scsi_bus_init(), scsi_bus_init_named()
  target/arm: Don't put FPEXC and FPSID in org.gnu.gdb.arm.vfp XML
  target/arm: Move gdbstub related code out of helper.c
  target/arm: Fix coding style issues in gdbstub code in helper.c
  configs: Don't include 32-bit-only GDB XML in aarch64 linux configs
  docs/system/arm: xlnx-versal-virt: BBRAM and eFUSE Usage
  hw/arm: xlnx-zcu102: Add Xilinx eFUSE device
  hw/arm: xlnx-zcu102: Add Xilinx BBRAM device
  hw/arm: xlnx-versal-virt: Add Xilinx eFUSE device
  hw/arm: xlnx-versal-virt: Add Xilinx BBRAM device
  hw/nvram: Introduce Xilinx battery-backed ram
  hw/nvram: Introduce Xilinx ZynqMP eFuse device
  hw/nvram: Introduce Xilinx Versal eFuse device
  hw/nvram: Introduce Xilinx eFuse QOM
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-30 21:16:54 +01:00
Peter Maydell
0021c4765a * SGX implementation for x86
* Miscellaneous bugfixes
 * Fix dependencies from ROMs to qtests
 -----BEGIN PGP SIGNATURE-----
 
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 y4OrmrhCyCKDwPghnjHUEVGHnNKqKpCLoIvtvFZ7xX/qezpMtZxVUliOVNQGmioR
 MZU/DbdlvVL/t8yKjfz1ljshk55hnSJ7rAv8LBA+B3uNzyJ+LZU9+Kbvmei5oyex
 nenCtXnoVNBJMvTBE/KfJbp0UasEb1OTvPBa0Y7mHyDub28FDPKr9WZbloCLUtE+
 uXwbZ34VRDsxbLnXh+BJ+ljOQLdsJErAkiPKTnW1/3W8Ti7PzOzvLpbSIVdBv/9A
 U1qOEm48BjCrG/tFJvTUm0ZM7AHmqYfvmwpenDpL0FhReohMdUa3pycQ9g==
 =Hicy
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* SGX implementation for x86
* Miscellaneous bugfixes
* Fix dependencies from ROMs to qtests

# gpg: Signature made Thu 30 Sep 2021 14:30:35 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (33 commits)
  meson_options.txt: Switch the default value for the vnc option to 'auto'
  build-sys: add HAVE_IPPROTO_MPTCP
  memory: Add tracepoint for dirty sync
  memory: Name all the memory listeners
  target/i386: Fix memory leak in sev_read_file_base64()
  tests: qtest: bios-tables-test depends on the unpacked edk2 ROMs
  meson: unpack edk2 firmware even if --disable-blobs
  target/i386: Add the query-sgx-capabilities QMP command
  target/i386: Add HMP and QMP interfaces for SGX
  docs/system: Add SGX documentation to the system manual
  sgx-epc: Add the fill_device_info() callback support
  i440fx: Add support for SGX EPC
  q35: Add support for SGX EPC
  i386: acpi: Add SGX EPC entry to ACPI tables
  i386/pc: Add e820 entry for SGX EPC section(s)
  hw/i386/pc: Account for SGX EPC sections when calculating device memory
  hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly
  Adjust min CPUID level to 0x12 when SGX is enabled
  i386: Propagate SGX CPUID sub-leafs to KVM
  i386: kvm: Add support for exposing PROVISIONKEY to guest
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-30 17:38:31 +01:00
Peter Maydell
fce8f7735f ppc patch queue for 2021-09-30
Here's the next batch of ppc related patches for qemu-6.2.  Highlights
 are:
  * Fixes for several TCG math instructions from the El Dorado Institute
  * A number of improvements to the powernv machine type
  * Support for a new DEVICE_UNPLUG_GUEST_ERROR QAPI event from Daniel
    Barboza
  * Support for the new FORM2 PAPR NUMA representation.  This allows
    more specific NUMA distances, as well as asymmetric configurations
  * Fix for 64-bit decrementer (used on MicroWatt CPUs)
  * Assorted fixes and cleanups
  * A number of updates to MAINTAINERS
 
 Note that the DEVICE_UNPLUG_GUEST_ERROR stuff includes changes to
 files outside my normal area, but has suitable Acks.
 
 The MAINTAINERS updates are mostly about marking minor platforms
 unmaintained / orphaned, and moving some pieces away from myself and
 Greg.  As we move onto other projects, we're going to need to drop
 more of the ppc maintainership, though we're hoping we can avoid too
 abrupt a change.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEdfRlhq5hpmzETofcbDjKyiDZs5IFAmFVTlEACgkQbDjKyiDZ
 s5IATRAAi3qB5riIXQEO41SoG5EjwJ9+2VQmagMkgwyNTQp5SyrqiWpTJ7Cq8IMF
 inEgV8vHv40GFJLdXXjTvdsRkAxh1siVZR7okmbd144ZdwL/ntJ4FFiGG5BjFgf2
 DajbDW/RgNDsWkTFbnhKVDNTzFbxHgeGf/g+KOPmQ5MtPPJk/Og2jJVOVE+CCY+Q
 FsF7xe9ehffrGP4ObkwKM8pNMWEaJ8KP+Z1ZV5WQwQSHPZD4x1qb6aaH8JQWv7Fl
 pqep5nlUv0KNsRPFj4hGhzjB9JUMMnWtSEuw5GNL0bQAj1v6tPNESRMw6fInAR/A
 JlvG6iYba2ZKZ7+SGipwYyVzBPnE7ur9i2E5MaANTSQF1zgsSwcYT6J5dYSCZmNH
 XrEZYYm1MyCTem8PNKrP44QRQAQz+vfHb8hUkwzNsZC7DLLsZ3JQ2AWcAvWFOKRe
 /s3WyODeXa3gZMCBFbvCWVAPiKNNFGQMsa2/bkF7FpvNGl99xL3o6MDskA2dSdTK
 0oreMT9OKdDS2W2LpDCasq6HHVsoJ+hc+TkWCEshEEPb7jUAIOnKqhHh/aqlXVf7
 J3r68FFbNbBoPR0SgdLc4teBmUKDJIGpZT8gaJ7Vbx6IiHXH21ZzOHKuTjbJZWWN
 u1vcjBBqvbQmrwhCyi6Fe5gGM63GcB/ulizM1rNyqIpTUuzyx9I=
 =shYQ
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210930' into staging

ppc patch queue for 2021-09-30

Here's the next batch of ppc related patches for qemu-6.2.  Highlights
are:
 * Fixes for several TCG math instructions from the El Dorado Institute
 * A number of improvements to the powernv machine type
 * Support for a new DEVICE_UNPLUG_GUEST_ERROR QAPI event from Daniel
   Barboza
 * Support for the new FORM2 PAPR NUMA representation.  This allows
   more specific NUMA distances, as well as asymmetric configurations
 * Fix for 64-bit decrementer (used on MicroWatt CPUs)
 * Assorted fixes and cleanups
 * A number of updates to MAINTAINERS

Note that the DEVICE_UNPLUG_GUEST_ERROR stuff includes changes to
files outside my normal area, but has suitable Acks.

The MAINTAINERS updates are mostly about marking minor platforms
unmaintained / orphaned, and moving some pieces away from myself and
Greg.  As we move onto other projects, we're going to need to drop
more of the ppc maintainership, though we're hoping we can avoid too
abrupt a change.

# gpg: Signature made Thu 30 Sep 2021 06:42:41 BST
# 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/dg-gitlab/tags/ppc-for-6.2-20210930: (44 commits)
  MAINTAINERS: Demote sPAPR from "Supported" to "Maintained"
  MAINTAINERS: Add information for OpenPIC
  MAINTAINERS: Remove David & Greg as reviewers/co-maintainers of powernv
  MAINTAINERS: Orphan obscure ppc platforms
  MAINTAINERS: Remove David & Greg as reviewers for a number of boards
  MAINTAINERS: Remove machine specific files from ppc TCG CPUs entry
  spapr/xive: Fix kvm_xive_source_reset trace event
  spapr_numa.c: fixes in spapr_numa_FORM2_write_rtas_tables()
  hw/intc: openpic: Clean up the styles
  hw/intc: openpic: Drop Raven related codes
  hw/intc: openpic: Correct the reset value of IPIDR for FSL chipset
  target/ppc: Fix 64-bit decrementer
  target/ppc: Convert debug to trace events (decrementer and IRQ)
  spapr_numa.c: handle auto NUMA node with no distance info
  spapr_numa.c: FORM2 NUMA affinity support
  spapr: move FORM1 verifications to post CAS
  spapr_numa.c: rename numa_assoc_array to FORM1_assoc_array
  spapr_numa.c: parametrize FORM1 macros
  spapr_numa.c: scrap 'legacy_numa' concept
  spapr_numa.c: split FORM1 code into helpers
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-30 16:13:04 +01:00
Sean Christopherson
c5348c6a16 docs/system: Add SGX documentation to the system manual
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210719112136.57018-34-yang.zhong@intel.com>
[Convert to reStructuredText, and adopt the standard === --- ~~~ headings
 suggested for example by Linux. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-30 15:30:24 +02:00
Tong Ho
09e010aede docs/system/arm: xlnx-versal-virt: BBRAM and eFUSE Usage
Add BBRAM and eFUSE usage to the Xilinx Versal Virt board
document.

Signed-off-by: Tong Ho <tong.ho@xilinx.com>
Message-id: 20210917052400.1249094-10-tong.ho@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-30 13:42:10 +01:00
Daniel Henrique Barboza
d43f1670c7 qapi/qdev.json: add DEVICE_UNPLUG_GUEST_ERROR QAPI event
At this moment we only provide one event to report a hotunplug error,
MEM_UNPLUG_ERROR. As of Linux kernel 5.12 and QEMU 6.0.0, the pseries
machine is now able to report unplug errors for other device types, such
as CPUs.

Instead of creating a (device_type)_UNPLUG_ERROR for each new device,
create a generic DEVICE_UNPLUG_GUEST_ERROR event that can be used by all
guest side unplug errors in the future. This event has a similar API as
the existing DEVICE_DELETED event, always providing the QOM path of the
device and dev->id if there's any.

With this new generic event, MEM_UNPLUG_ERROR is now marked as deprecated.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210907004755.424931-6-danielhb413@gmail.com>
[dwg: Correct missing ')' in stubs/qdev.c]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-09-30 12:25:51 +10:00
Nir Soffer
0961525705 qemu-nbd: Change default cache mode to writeback
Both qemu and qemu-img use writeback cache mode by default, which is
already documented in qemu(1). qemu-nbd uses writethrough cache mode by
default, and the default cache mode is not documented.

According to the qemu-nbd(8):

   --cache=CACHE
          The  cache  mode  to be used with the file.  See the
          documentation of the emulator's -drive cache=... option for
          allowed values.

qemu(1) says:

    The default mode is cache=writeback.

So users have no reason to assume that qemu-nbd is using writethough
cache mode. The only hint is the painfully slow writing when using the
defaults.

Looking in git history, it seems that qemu used writethrough in the past
to support broken guests that did not flush data properly, or could not
flush due to limitations in qemu. But qemu-nbd clients can use
NBD_CMD_FLUSH to flush data, so using writethrough does not help anyone.

Change the default cache mode to writback, and document the default and
available values properly in the online help and manual.

With this change converting image via qemu-nbd is 3.5 times faster.

    $ qemu-img create dst.img 50g
    $ qemu-nbd -t -f raw -k /tmp/nbd.sock dst.img

Before this change:

    $ hyperfine -r3 "./qemu-img convert -p -f raw -O raw -T none -W fedora34.img nbd+unix:///?socket=/tmp/nbd.sock"
    Benchmark #1: ./qemu-img convert -p -f raw -O raw -T none -W fedora34.img nbd+unix:///?socket=/tmp/nbd.sock
      Time (mean ± σ):     83.639 s ±  5.970 s    [User: 2.733 s, System: 6.112 s]
      Range (min … max):   76.749 s … 87.245 s    3 runs

After this change:

    $ hyperfine -r3 "./qemu-img convert -p -f raw -O raw -T none -W fedora34.img nbd+unix:///?socket=/tmp/nbd.sock"
    Benchmark #1: ./qemu-img convert -p -f raw -O raw -T none -W fedora34.img nbd+unix:///?socket=/tmp/nbd.sock
      Time (mean ± σ):     23.522 s ±  0.433 s    [User: 2.083 s, System: 5.475 s]
      Range (min … max):   23.234 s … 24.019 s    3 runs

Users can avoid the issue by using --cache=writeback[1] but the defaults
should give good performance for the common use case.

[1] https://bugzilla.redhat.com/1990656

Signed-off-by: Nir Soffer <nsoffer@redhat.com>
Message-Id: <20210813205519.50518-1-nsoffer@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
2021-09-29 13:46:31 -05:00
Cédric Le Goater
325ba52a4e docs/system: ppc: Update the URL for OpenPOWER firmware images
This also fixes a small skiboot/skiroot typo and removes the links to
the specific POWER8 and POWER9 images since the firmware images can be
used to run all machines.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210902130928.528803-2-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-09-29 19:37:38 +10:00
Willian Rampazzo
94c714620b tests/Makefile: add AVOCADO_TESTS option to make check-acceptance
Add the possibility of running all the tests from a single file, or
multiple files, running a single test within a file or multiple tests
within multiple files using `make check-acceptance` and the
AVOCADO_TESTS environment variable.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210923161141.232208-4-willianr@redhat.com>
2021-09-27 19:06:47 +02:00
Willian Rampazzo
6676f18fa5 docs/devel/testing: add instruction to run a single acceptance test
Add instructions to the Acceptance tests section about running a
single test file or a test within the test file.

Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210923161141.232208-3-willianr@redhat.com>
2021-09-27 19:06:47 +02:00
Willian Rampazzo
23022794de tests/Makefile: allow control over tags during check-acceptance
Although it is possible to run a specific test using the avocado
command-line, a user may want to use a specific tag while running the
``make check-acceptance`` during the development or debugging.

This allows using the AVOCADO_TAGS environment variable where the user
takes total control of which tests should run based on the tags defined.

This also makes the check-acceptance command flexible to restrict tests
based on tags while running on CI.

e.g.:

AVOCADO_TAGS="foo bar baz" make check-acceptance

Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210923161141.232208-2-willianr@redhat.com>
2021-09-27 19:06:47 +02:00
Peter Maydell
de8ed1055c QAPI patches patches for 2021-09-25
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-09-25-v2' into staging

QAPI patches patches for 2021-09-25

# gpg: Signature made Mon 27 Sep 2021 13:44:23 BST
# 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-2021-09-25-v2: (25 commits)
  tests/qapi-schema: Make test-qapi.py -u work when files are absent
  tests/qapi-schema: Use Python OSError instead of outmoded IOError
  test-clone-visitor: Correct an accidental rename
  tests/qapi-schema: Rename flat-union-* test cases to union-*
  qapi: Drop simple unions
  tests/qapi-schema: Purge simple unions from tests
  tests/qapi-schema: Drop simple union __org.qemu_x-Union1
  test-clone-visitor: Wean off __org.qemu_x-Union1
  tests/qapi-schema: Rewrite simple union TestIfUnion to be flat
  tests/qapi-schema: Simple union UserDefListUnion is now unused, drop
  tests/qapi-schema: Wean off UserDefListUnion
  test-clone-visitor: Wean off UserDefListUnion
  test-qobject-output-visitor: Wean off UserDefListUnion
  test-qobject-input-visitor: Wean off UserDefListUnion
  tests/qapi-schema: Prepare for simple union UserDefListUnion removal
  qapi: Convert simple union TransactionAction to flat one
  qapi: Convert simple union ImageInfoSpecific to flat one
  qapi: Convert simple union SocketAddressLegacy to flat one
  qapi: Convert simple union ChardevBackend to flat one
  qapi: Convert simple union MemoryDeviceInfo to flat one
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-27 15:03:42 +01:00
Dongli Zhang
45b09cb12f multi-process: fix usage information
From source code, the 'devid' of x-remote-object should be one of devices
in remote QEMU process.

Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210713004718.20381-1-dongli.zhang@oracle.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-09-27 10:57:21 +02:00
Pankaj Gupta
ca577afc68 docs/nvdimm: Update nvdimm option value in machine example
Update nvdimm option value in example command from "-machine pc,nvdimm"
to "-machine pc,nvdimm=on" as former complains with the below error:

"qemu-system-x86_64: -machine pc,nvdimm: Expected '=' after parameter 'nvdimm'"

Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Message-Id: <20210923103015.135262-1-pankaj.gupta.linux@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-09-27 10:57:21 +02:00
Markus Armbruster
4e99f4b12c qapi: Drop simple unions
Simple unions predate flat unions.  Having both complicates the QAPI
schema language and the QAPI generator.  We haven't been using simple
unions in new code for a long time, because they are less flexible and
somewhat awkward on the wire.

The previous commits eliminated simple union from the tree.  Now drop
them from the QAPI schema language entirely, and update mentions of
"flat union" to just "union".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210917143134.412106-22-armbru@redhat.com>
2021-09-27 08:23:25 +02:00
Markus Armbruster
4cfd6537e4 qapi: Tidy up unusual line breaks
Break lines between members instead of within members.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210917143134.412106-2-armbru@redhat.com>
2021-09-25 06:55:54 +02:00
Bin Meng
758c07c9fc docs/system/riscv: sifive_u: Update U-Boot instructions
In U-Boot v2021.07 release, there were 2 major changes for the
SiFive Unleashed board support:

- Board config name was changed from sifive_fu540_defconfig to
  sifive_unleashed_defconfig
- The generic binman tool was used to generate the FIT image
  (combination of U-Boot proper, DTB and OpenSBI firmware)

which make the existing U-Boot instructions out of date.

Update the doc with latest instructions.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210911153431.10362-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-09-21 07:56:49 +10:00
Anup Patel
954886ea6d hw/riscv: virt: Add optional ACLINT support to virt machine
We extend virt machine to emulate ACLINT devices only when "aclint=on"
parameter is passed along with machine name in QEMU command-line.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210831110603.338681-5-anup.patel@wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-09-21 07:56:49 +10:00
Alistair Francis
ea6eaa0604 sifive_u: Connect the SiFive PWM device
Connect the SiFive PWM device and expose it via the device tree.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 22f98648b4e012f78529a56f5ca60b0b27852a4d.1631159656.git.alistair.francis@wdc.com
2021-09-21 07:56:49 +10:00
Eric Blake
1899bf4737 qemu-img: Add -F shorthand to convert
Although we have long supported 'qemu-img convert -o
backing_file=foo,backing_fmt=bar', the fact that we have a shortcut -B
for backing_file but none for backing_fmt has made it more likely that
users accidentally run into:

qemu-img: warning: Deprecated use of backing file without explicit backing format

when using -B instead of -o.  For similarity with other qemu-img
commands, such as create and compare, add '-F $fmt' as the shorthand
for '-o backing_fmt=$fmt'.  Update iotest 122 for coverage of both
spellings.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210913131735.1948339-1-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-15 18:42:38 +02:00
Marc-André Lureau
7f800d34aa docs: add supported host CPU architectures section
I was looking for such documentation, but couldn't find it. Add it to
the build-platform.rst document.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-14 16:51:58 +04:00
Peter Maydell
c6f5e042d8 target-arm queue:
* mark MPS2/MPS3 board-internal i2c buses as 'full' so that command
    line user-created devices are not plugged into them
  * Take an exception if PSTATE.IL is set
  * Support an emulated ITS in the virt board
  * Add support for kudo-bmc board
  * Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating scratch VM
  * cadence_uart: Fix clock handling issues that prevented
    u-boot from running
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210913-3' into staging

target-arm queue:
 * mark MPS2/MPS3 board-internal i2c buses as 'full' so that command
   line user-created devices are not plugged into them
 * Take an exception if PSTATE.IL is set
 * Support an emulated ITS in the virt board
 * Add support for kudo-bmc board
 * Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating scratch VM
 * cadence_uart: Fix clock handling issues that prevented
   u-boot from running

# gpg: Signature made Mon 13 Sep 2021 21:04:52 BST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20210913-3: (23 commits)
  hw/arm/mps2.c: Mark internal-only I2C buses as 'full'
  hw/arm/mps2-tz.c: Mark internal-only I2C buses as 'full'
  hw/arm/mps2-tz.c: Add extra data parameter to MakeDevFn
  qdev: Support marking individual buses as 'full'
  target/arm: Merge disas_a64_insn into aarch64_tr_translate_insn
  target/arm: Take an exception if PSTATE.IL is set
  tests/data/acpi/virt: Update IORT files for ITS
  hw/arm/virt: add ITS support in virt GIC
  tests/data/acpi/virt: Add IORT files for ITS
  hw/intc: GICv3 redistributor ITS processing
  hw/intc: GICv3 ITS Feature enablement
  hw/intc: GICv3 ITS Command processing
  hw/intc: GICv3 ITS command queue framework
  hw/intc: GICv3 ITS register definitions added
  hw/intc: GICv3 ITS initial framework
  hw/arm: Add support for kudo-bmc board.
  hw/arm/virt: KVM: Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating scratch VM
  hw/char: cadence_uart: Log a guest error when device is unclocked or in reset
  hw/char: cadence_uart: Ignore access when unclocked or in reset for uart_{read, write}()
  hw/char: cadence_uart: Convert to memop_with_attrs() ops
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-13 21:06:15 +01:00
Chris Rauer
3b8a4733d1 hw/arm: Add support for kudo-bmc board.
kudo-bmc is a board supported by OpenBMC.
https://github.com/openbmc/openbmc/tree/master/meta-fii/meta-kudo

Since v1:
- hyphenated Cortex-A9

Tested: Booted kudo firmware.
Signed-off-by: Chris Rauer <crauer@google.com>
Reviewed-by: Patrick Venture <venture@google.com>
Message-id: 20210907223234.1165705-1-crauer@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-13 16:07:54 +01:00
Peter Maydell
7d79344d4f * Fixes for "-cpu max" on i386 TCG (Daniel)
* vVMLOAD/VMSAVE and vGIF implementation (Lara)
 * Reorganize i386 targets documentation in preparation for SGX (myself)
 * Meson cleanups (myself, Thomas)
 * NVMM fixes (Reinoud)
 * Suppress bogus -Wstringop-overflow (Richard)
 -----BEGIN PGP SIGNATURE-----
 
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* Fixes for "-cpu max" on i386 TCG (Daniel)
* vVMLOAD/VMSAVE and vGIF implementation (Lara)
* Reorganize i386 targets documentation in preparation for SGX (myself)
* Meson cleanups (myself, Thomas)
* NVMM fixes (Reinoud)
* Suppress bogus -Wstringop-overflow (Richard)

# gpg: Signature made Mon 13 Sep 2021 12:56:33 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (21 commits)
  docs: link to archived Fedora code of conduct
  Fix nvmm_ram_block_added() function arguments
  Only check CONFIG_NVMM when NEED_CPU_H is defined
  util: Suppress -Wstringop-overflow in qemu_thread_start
  fw_cfg: add etc/msr_feature_control
  meson: remove dead variable
  meson: do not use python.full_path() unnecessarily
  meson: look up cp and dtrace with find_program()
  meson.build: Do not look for VNC-related libraries if have_system is not set
  docs/system: move x86 CPU configuration to a separate document
  docs/system: standardize man page sections to --- with overline
  docs: standardize directory index to --- with overline
  docs: standardize book titles to === with overline
  target/i386: Added vVMLOAD and vVMSAVE feature
  target/i386: Added changed priority check for VIRQ
  target/i386: Added ignore TPR check in ctl_has_irq
  target/i386: Added VGIF V_IRQ masking capability
  target/i386: Moved int_ctl into CPUX86State structure
  target/i386: Added VGIF feature
  target/i386: VMRUN and VMLOAD canonicalizations
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-13 13:33:21 +01:00
Paolo Bonzini
d97327342e docs: link to archived Fedora code of conduct
Fedora has switched to a different CoC.  QEMU's own code of conduct
is based on the previous version and cites it as a source.  Replace
the link with one to the Wayback Machine.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-13 13:56:26 +02:00
Paolo Bonzini
c2c7f3351a docs/system: move x86 CPU configuration to a separate document
Currently, cpu-models-x86.rst.inc is included in target-i386.rst directly.
To make the toctree more homogeneous when adding more documentation,
include it through a first-class .rst file.

Together with the previous changes to the man page skeletons, this also
frees "===" for the headings, so that cpu-models-x86.rst.inc need not
assume anything about the headings used by target-i386.rst.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-13 13:56:26 +02:00
Paolo Bonzini
f0c1507a2b docs/system: standardize man page sections to --- with overline
Man pages in docs/system use file inclusion heavily.  Use headings with
overlines in the main files, so that the same included file work well
from both manuals and man pages.

This style of heading is a bit more heavy-weight, so it is not used by
the other man pages in interop/ and tools/.  If in the future they
are changed to use include files, for example to avoid having sections
named "synopsis" or "description", they can switch to --- with overline
as well.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-13 13:56:26 +02:00
Paolo Bonzini
06905f6402 docs: standardize directory index to --- with overline
Use a standard heading format for the index.rst file in a directory.
Using overlines makes it clear that individual documents can use e.g.
=== for chapter titles and --- for section titles, as suggested in the
Linux kernel guidelines[1].  They could do it anyway, because documents
included in a toctree are parsed separately and therefore are not tied
to the same conventions for headings.  However, keeping some consistency is
useful since sometimes files are included from multiple places.

[1] https://www.kernel.org/doc/html/latest/doc-guide/sphinx.html

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-13 13:56:26 +02:00
Paolo Bonzini
8a1f7d299c docs: standardize book titles to === with overline
Documents within a Sphinx manual are separate files and therefore can use
different conventions for headings.  However, keeping some consistency is
useful so that included files are easy to get right.

This patch uses a standard heading format for book titles, so that it is
obvious when a file sits at the top level toctree of a book or man page.
The heading is irrelevant for man pages, but keep it consistent as well.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-13 13:56:26 +02:00
Peter Maydell
f383eb80f6 tcg: Drop gen_io_end()
Now we have removed all the uses of gen_io_end() from target frontends,
the only callsite is inside gen_tb_start(). Inline the code there,
and remove the reference to it from the documentation.

While we are inlining the code, switch it to use tcg_constant_i32()
so we don't have to manually create and destroy a TCG temporary.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210724134902.7785-3-peter.maydell@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2021-09-08 11:09:45 +01:00
Thomas Huth
6695e4c0fd softmmu/vl: Deprecate the -sdl and -curses option
It's not that much complicated to type "-display sdl" or "-display curses",
so we should not clutter our main option name space with such simple
wrapper options and rather present the users with a concise interface
instead. Thus let's deprecate the "-sdl" and "-curses" wrapper options now.

Message-Id: <20210825092023.81396-4-thuth@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-09-06 10:00:14 +02:00
Thomas Huth
d46156fdcc softmmu/vl: Deprecate the old grab options
The alt_grab and ctrl_grab parameter of the -display sdl option prevent
the QAPIfication of the "sdl" part of the -display option, so we should
eventually remove them. And since this feature is also rather niche anyway,
we should not clutter the top-level option list with these, so let's
also deprecate the "-alt-grab" and the "-ctrl-grab" options while we're
at it.

Once the deprecation period of "alt_grab" and "ctrl_grab" is over, we
then can finally switch the -display sdl option to use QAPI internally,
too.

Message-Id: <20210825092023.81396-3-thuth@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-09-06 10:00:14 +02:00
Willian Rampazzo
1ea47ede63 docs: add definitions of terms for CI/testing
To understand the current state of QEMU CI/testing and have a base to
discuss the plans for the future, it is important to define some usual
terms. This patch defines the terms for "Automated tests", "Unit
testing", "Functional testing", "System testing", "Flaky tests",
"Gating", and "Continuous Integration".

Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210831152939.97570-2-willianr@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-09-06 09:07:00 +02:00
Peter Maydell
9c03aa87e5 Testing and plugin updates:
- fix typo in execlog plugin
   - clean-up and document gitlab FOO_RUNNER_AVAILABLE vars
   - fix plugin build issue on OSX and modules
   - add multi-core support to cache modelling plugin
   - clean-ups for plugin arg=FOO handling
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-for-6.2-020921-1' into staging

Testing and plugin updates:

  - fix typo in execlog plugin
  - clean-up and document gitlab FOO_RUNNER_AVAILABLE vars
  - fix plugin build issue on OSX and modules
  - add multi-core support to cache modelling plugin
  - clean-ups for plugin arg=FOO handling

# gpg: Signature made Thu 02 Sep 2021 11:33:02 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-for-6.2-020921-1: (22 commits)
  docs/devel: be consistent about example plugin names
  docs/deprecated: deprecate passing plugin args through `arg=`
  tests/plugins/syscalls: adhere to new arg-passing scheme
  tests/plugins/mem: introduce "track" arg and make args not positional
  tests/plugins/insn: made arg inline not positional and parse it as bool
  tests/plugins/bb: adapt to the new arg passing scheme
  docs/tcg-plugins: new passing parameters scheme for cache docs
  plugins/howvec: adapting to the new argument passing scheme
  plugins/hwprofile: adapt to the new plugin arguments scheme
  plugins/lockstep: make socket path not positional & parse bool arg
  plugins/hotblocks: Added correct boolean argument parsing
  plugins/hotpages: introduce sortby arg and parsed bool args correctly
  plugins/api: added a boolean parsing plugin api
  plugins: allow plugin arguments to be passed directly
  docs/devel/tcg-plugins: added cores arg to cache plugin
  plugins: sort exported symbol list
  plugins/cache: supported multicore cache modelling
  plugins: do not limit exported symbols if modules are active
  gitlab-ci: Fix ..._RUNNER_AVAILABLE variables and document them
  gitlab-ci: Remove superfluous "dnf install" statement
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-03 14:23:36 +01:00
Peter Maydell
9093028dd4 Block patches:
- Make the backup-top filter driver available for user-created block
   nodes (i.e. via blockdev-add)
 - Allow running iotests with gdb or valgrind being attached to qemu
   instances
 - Fix the raw format driver's permissions: There is no metadata, so we
   only need WRITE or RESIZE when the parent needs it
 - Basic reopen implementation for win32 files (file-win32.c) so that
   qemu-img commit can work
 - uclibc/musl build fix for the FUSE export code
 - Some iotests delinting
 - block-hmp-cmds.c refactoring
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/hreitz/tags/pull-block-2021-09-01' into staging

Block patches:
- Make the backup-top filter driver available for user-created block
  nodes (i.e. via blockdev-add)
- Allow running iotests with gdb or valgrind being attached to qemu
  instances
- Fix the raw format driver's permissions: There is no metadata, so we
  only need WRITE or RESIZE when the parent needs it
- Basic reopen implementation for win32 files (file-win32.c) so that
  qemu-img commit can work
- uclibc/musl build fix for the FUSE export code
- Some iotests delinting
- block-hmp-cmds.c refactoring

# gpg: Signature made Wed 01 Sep 2021 16:01:54 BST
# gpg:                using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
# gpg:                issuer "hreitz@redhat.com"
# gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: CB62 D7A0 EE38 29E4 5F00  4D34 A1FA 40D0 9801 9CDF

* remotes/hreitz/tags/pull-block-2021-09-01: (56 commits)
  block/file-win32: add reopen handlers
  block/export/fuse.c: fix fuse-lseek on uclibc or musl
  block/block-copy: block_copy_state_new(): drop extra arguments
  iotests/image-fleecing: add test-case for copy-before-write filter
  iotests/image-fleecing: prepare for adding new test-case
  iotests/image-fleecing: rename tgt_node
  iotests/image-fleecing: proper source device
  iotests.py: hmp_qemu_io: support qdev
  iotests: move 222 to tests/image-fleecing
  iotests/222: constantly use single quotes for strings
  iotests/222: fix pylint and mypy complains
  python:QEMUMachine: template typing for self returning methods
  python/qemu/machine: QEMUMachine: improve qmp() method
  python/qemu/machine.py: refactor _qemu_args()
  qapi: publish copy-before-write filter
  block/copy-before-write: make public block driver
  block/block-copy: make setting progress optional
  block/copy-before-write: initialize block-copy bitmap
  block/copy-before-write: cbw_init(): use options
  block/copy-before-write: bdrv_cbw_append(): drop unused compress arg
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-02 13:00:52 +01:00
Mahmoud Mandour
a35af836d1 docs/devel: be consistent about example plugin names
Some plugins were prefixed with `.c`, some were not. Since the name is
essentially the full-name of the plugin file, it's logical to include
the extension.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210830121534.656559-1-ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
67f145745f docs/deprecated: deprecate passing plugin args through arg=
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210802134414.52037-1-ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[AJB: fixed up move of deprecated.rst]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
2dd3fef8a6 docs/tcg-plugins: new passing parameters scheme for cache docs
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-9-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
d852535859 plugins/howvec: adapting to the new argument passing scheme
Correctly parsing plugin argument since they now must be provided as
full-form boolean parameters, e.g.:
    -plugin ./contrib/plugins/libhowvec.so,verbose=on,inline=on

Also, introduced the argument "count" that accepts one opt to count
individually at a time.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-8-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
60753843f6 plugins/hwprofile: adapt to the new plugin arguments scheme
Parsing boolean arguments correctly (e.g. pattern=on or source=false).
Introduced a new "track" argument that takes a [read|write] value. This
substitutes passing read or write to "arg=" that is deprecated.

Also, matches are now taken one by one through the "match" argument.

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-7-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
b18a0cad81 plugins/lockstep: make socket path not positional & parse bool arg
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-6-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
f698d5ef1c plugins/hotpages: introduce sortby arg and parsed bool args correctly
Since plugin arguments now expect boolean arguments, a plugin argument
name "sortby" now expects a value of "read", "write", or "address".

"io" arg is now expected to be passed as a full-form boolean parameter,
i.e. "io=on|true|yes|off|false|no"

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-4-ma.mandourr@gmail.com>
2021-09-02 11:29:34 +01:00
Mahmoud Mandour
5397acb8a6 docs/devel/tcg-plugins: added cores arg to cache plugin
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210803151301.123581-3-ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Thomas Huth
40e916b4bc gitlab-ci: Fix ..._RUNNER_AVAILABLE variables and document them
The patch that recently introduced the S390X_RUNNER_AVAILABLE variable
in custom-runners.yml missed that the bottom half of the file is rather
about aarch64 than s390x. Thus rename the S390X_RUNNER_AVAILABLE to
AARCH64_RUNNER_AVAILABLE in those jobs.

Finally mention both variables in our CI documentation, too.

Fixes: c5dd0f0342 ("Improve rules for the staging branch")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210730143809.717079-4-thuth@redhat.com>
[AJB: moved due to docu changes]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210806141015.2487502-5-alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Emanuele Giuseppe Esposito
8ffcda2a70 docs/devel/testing: add -p option to the debug section of QEMU iotests
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210809090114.64834-17-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Emanuele Giuseppe Esposito
bd10a7397e docs/devel/testing: add -valgrind option to the debug section of QEMU iotests
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210809090114.64834-15-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Emanuele Giuseppe Esposito
e92ecc322c docs/devel/testing: add -gdb option to the debugging section of QEMU iotests
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210809090114.64834-10-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Emanuele Giuseppe Esposito
0193767b25 docs/devel/testing: add debug section to the QEMU iotests chapter
Introduce the "Debugging a test case" section, in preparation
to the additional flags that will be added in the next patches.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210809090114.64834-5-eesposit@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-09-01 12:57:31 +02:00
Peter Maydell
99abcbc760 clock: Provide builtin multiplier/divider
It is quite common for a clock tree to involve possibly programmable
clock multipliers or dividers, where the frequency of a clock is for
instance divided by 8 to produce a slower clock to feed to a
particular device.

Currently we provide no convenient mechanism for modelling this.  You
can implement it by having an input Clock and an output Clock, and
manually setting the period of the output clock in the period-changed
callback of the input clock, but that's quite clunky.

This patch adds support in the Clock objects themselves for setting a
multiplier or divider.  The effect of setting this on a clock is that
when the clock's period is changed, all the children of the clock are
set to period * multiplier / divider, rather than being set to the
same period as the parent clock.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Message-id: 20210812093356.1946-10-peter.maydell@linaro.org
2021-09-01 11:08:19 +01:00
Shuuichirou Ishii
4d39fcd8af hw/arm/virt: target-arm: Add A64FX processor support to virt machine
Add -cpu a64fx to use A64FX processor when -machine virt option is
specified.  In addition, add a64fx to the Supported guest CPU types
in the virt.rst document.

Signed-off-by: Shuuichirou Ishii <ishii.shuuichir@fujitsu.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-01 11:08:18 +01:00
Philippe Mathieu-Daudé
57469ed384 hw/arm/raspi: Remove deprecated raspi2/raspi3 aliases
Remove the raspi2/raspi3 machine aliases,
deprecated since commit 155e1c82ed.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210827060815.2384760-3-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-01 11:08:15 +01:00
Philippe Mathieu-Daudé
cd066eea60 tests: Remove uses of deprecated raspi2/raspi3 machine names
Commit 155e1c82ed deprecated the raspi2/raspi3 machine names.
Use the recommended new names: raspi2b and raspi3b.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20210827060815.2384760-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-01 11:08:15 +01:00