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2020-09-23qemu/atomic.h: rename atomic_ to qatomic_Stefan Hajnoczi
clang's C11 atomic_fetch_*() functions only take a C11 atomic type pointer argument. QEMU uses direct types (int, etc) and this causes a compiler error when a QEMU code calls these functions in a source file that also included <stdatomic.h> via a system header file: $ CC=clang CXX=clang++ ./configure ... && make ../util/async.c:79:17: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned int *' invalid) Avoid using atomic_*() names in QEMU's atomic.h since that namespace is used by <stdatomic.h>. Prefix QEMU's APIs with 'q' so that atomic.h and <stdatomic.h> can co-exist. I checked /usr/include on my machine and searched GitHub for existing "qatomic_" users but there seem to be none. This patch was generated using: $ git grep -h -o '\<atomic\(64\)\?_[a-z0-9_]\+' include/qemu/atomic.h | \ sort -u >/tmp/changed_identifiers $ for identifier in $(</tmp/changed_identifiers); do sed -i "s%\<$identifier\>%q$identifier%g" \ $(git grep -I -l "\<$identifier\>") done I manually fixed line-wrap issues and misaligned rST tables. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200923105646.47864-1-stefanha@redhat.com>
2020-09-23docs/system: clarify deprecation scheduleStefan Hajnoczi
The sentence explaining the deprecation schedule is ambiguous. Make it clear that a feature deprecated in the Nth release is guaranteed to remain available in the N+1th release. Removal can occur in the N+2nd release or later. As an example of this in action, see commit 25956af3fe5dd0385ad8017bc768a6afe41e2a74 ("block: Finish deprecation of 'qemu-img convert -n -o'"). The feature was deprecated in QEMU 4.2.0. It was present in the 5.0.0 release and removed in the 5.1.0 release. Suggested-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20200915150734.711426-1-stefanha@redhat.com>
2020-09-22Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier2/tags/trivial-branch-for-5.2-pull-request' into staging Pull request trivial patches 20200919 # gpg: Signature made Sat 19 Sep 2020 19:43:35 BST # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/trivial-branch-for-5.2-pull-request: contrib/: fix some comment spelling errors qapi/: fix some comment spelling errors disas/: fix some comment spelling errors linux-user/: fix some comment spelling errors util/: fix some comment spelling errors scripts/: fix some comment spelling errors docs/: fix some comment spelling errors migration/: fix some comment spelling errors qemu/: fix some comment spelling errors scripts/git.orderfile: Display meson files along with buildsys ones hw/timer/hpet: Fix debug format strings hw/timer/hpet: Remove unused functions hpet_ram_readb, hpet_ram_readw meson: remove empty else and duplicated gio deps manual: escape backslashes in "parsed-literal" blocks ui/spice-input: Remove superfluous forward declaration hw/ppc/ppc4xx_pci: Replace magic value by the PCI_NUM_PINS definition hw/gpio/max7310: Remove impossible check Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-18i386/kvm: correct the meaning of '0xffffffff' value for hv-spinlocksVitaly Kuznetsov
Hyper-V TLFS prior to version 6.0 had a mistake in it: special value '0xffffffff' for CPUID 0x40000004.EBX was called 'never to retry', this looked weird (like why it's not '0' which supposedly have the same effect?) but nobody raised the question. In TLFS version 6.0 the mistake was corrected to 'never notify' which sounds logical. Fix QEMU accordingly. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20200515114847.74523-1-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18hw/arm/aspeed: Add machine properties to define the flash modelsCédric Le Goater
Some machines don't have much differences a part from the flash model being used. Introduce new machine properties to change them from the command line. For instance, to start the ast2500-evb machine with a different FMC chip and a 64M SPI chip, use : -M ast2500-evb,fmc-model=mx25l25635e,spi-model=mx66u51235f Cc: 郁雷 <yulei.sh@bytedance.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Tested-by: Lei YU <yulei.sh@bytedance.com> Message-Id: <20200915054859.2338477-1-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2020-09-17docs/: fix some comment spelling errorszhaolichang
I found that there are many spelling errors in the comments of qemu, so I used the spellcheck tool to check the spelling errors and finally found some spelling errors in the docs folder. Signed-off-by: zhaolichang <zhaolichang@huawei.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20200917075029.313-4-zhaolichang@huawei.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-16manual: escape backslashes in "parsed-literal" blocksLaszlo Ersek
According to <https://docutils.sourceforge.io/docs/ref/rst/directives.html#parsed-literal>, "inline markup is recognized and there is no protection from parsing. Backslash-escapes may be necessary to prevent unintended parsing". The qemu(1) manual page (formatted with Sphinx 2.2.2) has several overlong lines on my system. A stand-alone backslash at EOL serves as line continuation in a "parsed-literal" block. Therefore, escape the backslashes that we want to appear as such in the formatted documentation. Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200908172111.19072-1-lersek@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-14docs/system: Add Nuvoton machine documentationHavard Skinnemoen
Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com> Message-id: 20200911052101.2602693-14-hskinnemoen@google.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-14Deprecate lm32 portPeter Maydell
Deprecate our lm32 target support. Michael Walle (former lm32 maintainer) suggested that we do this in 2019: https://www.mail-archive.com/qemu-devel@nongnu.org/msg605024.html because the only public user of the architecture is the many-years-dead milkymist project. (The Linux port to lm32 was never merged upstream.) In commit 4b4d96c776f552e (March 2020) we marked it as 'orphan' in the MAINTAINERS file, but didn't officially deprecate it. Mark it deprecated now, with the intention of removing it from QEMU in mid-2021 before the 6.1 release. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Acked-by: Michael Walle <michael@walle.cc> Message-id: 20200827113259.25064-1-peter.maydell@linaro.org
2020-09-14Deprecate Unicore32 portPeter Maydell
Deprecate our Unicore32 target support: * the Linux kernel dropped support for unicore32 in commit 05119217a9bd199c for its 5.9 release (with rationale in the cover letter: https://lkml.org/lkml/2020/8/3/232 ) * there is apparently no upstream toolchain that can create unicore32 binaries * the maintainer doesn't seem to have made any contributions to QEMU since the port first landed in 2012 * nobody else seems to have made changes to the unicore code except for generic cleanups either Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-id: 20200825172719.19422-1-peter.maydell@linaro.org
2020-09-14docs/system/arm/mps2.rst: Make board list consistentPeter Maydell
Make the list of MPS2 boards consistent in the phrasing of each entry, use the correct casing of "Arm", and move the mps2-an511 entry so the list is in numeric order. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20200903202048.15370-4-peter.maydell@linaro.org
2020-09-14hw/arm/mps2: New board model mps2-an500Peter Maydell
Implement a model of the MPS2 with the AN500 firmware. This is similar to the AN385, with the following differences: * Cortex-M7 CPU * PSRAM is at 0x6000_0000 * Ethernet is at 0xa000_0000 * No zbt_boot_ctrl remapping of the low 16K (but QEMU doesn't implement this anyway) * no "block RAM" at 0x01000000 Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20200903202048.15370-3-peter.maydell@linaro.org
2020-09-14hw/arm/mps2: New board model mps2-an386Peter Maydell
Implement a model of the MPS2 with the AN386 firmware. This is essentially identical to the AN385 firmware, but it has a Cortex-M4 rather than a Cortex-M3. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20200903202048.15370-2-peter.maydell@linaro.org
2020-09-14target/arm: Remove KVM support for 32-bit Arm hostsPeter Maydell
We deprecated the support for KVM on 32-bit Arm hosts in time for release 5.0, which means that our deprecation policy allows us to drop it in release 5.2. Remove the code. To repeat the rationale from the deprecation note: the Linux kernel dropped support for 32-bit Arm KVM hosts in 5.7. Running 32-bit guests on a 64-bit Arm host remains supported. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200904154156.31943-2-peter.maydell@linaro.org
2020-09-10plugins: move the more involved plugins to contribAlex Bennée
We have an exploding complexity problem in the testing so lets just move the more involved plugins into contrib. tests/plugins still exist for the basic plugins that exercise the API. We restore the old pre-meson style Makefile for contrib as it also doubles as a guide for out-of-tree plugin builds. While we are at it add some examples to the documentation and a specific plugins build target. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20200909112742.25730-11-alex.bennee@linaro.org>
2020-09-10docs/system/deprecated: mark ppc64abi32-linux-user for deprecationAlex Bennée
It's buggy and we are not sure anyone uses it. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20200909112742.25730-6-alex.bennee@linaro.org>
2020-09-08Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2020-09-08' into ↵Peter Maydell
staging QAPI patches patches for 2020-09-08 # gpg: Signature made Tue 08 Sep 2020 07:06:52 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-2020-09-08: qapi/block-core.json: Fix nbd-server-start docs qapi: Fix indentation, again qapi/migration.json: Fix indentation qapi: Make section headings start a new doc comment block qapi: Reject section markup in definition documentation Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-08docs: update build system documentationPaolo Bonzini
Most of the Makefile bits are obsolete and can be removed. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-08docs: suggest Meson replacements for various configure functionsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-08configure: do not look for install(1)Paolo Bonzini
It is not used anymore, so there is no Solaris-specific check to perform. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-08Makefile: inline the relevant parts of rules.makPaolo Bonzini
Most of rules.mak is not used anymore, just inline what's needed. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-07qapi: Reject section markup in definition documentationMarkus Armbruster
Section markup in definition documentation makes no sense and can produce invalid Texinfo. Reject. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200320091805.5585-2-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2020-09-03docs/qdev-device-use: Don't suggest -drive and -net can do USBMarkus Armbruster
Commit 480324ec8d "docs/qdev-device-use: Clean up the sentences related to -usbdevice" deleted the information on syntax that no longer works. Unfortunately, the resulting text suggests you can configure USB block devices with -drive, and USB network devices with -net, which is misleading. Instead of rephrasing the now misleading text, I'm putting the information back, and just make clear it's about old versions of QEMU. Cc: Thomas Huth <thuth@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200806081147.3123652-4-armbru@redhat.com>
2020-09-03docs/interop/qmp-spec: Point to the QEMU QMP reference manualMarkus Armbruster
Commit 4d8bb958fa0..231aaf3a821 integrated the contents of docs/qmp-events.txt into QAPI schema doc comments. It left dangling references to qmp-events.txt behind. Fix to point to the QEMU QMP reference manual generated from the QAPI schema. Add a similar reference for commands. Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200806081147.3123652-2-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2020-09-03qapi: enable use of g_autoptr with QAPI typesDaniel P. Berrangé
Currently QAPI generates a type and function for free'ing it: typedef struct QCryptoBlockCreateOptions QCryptoBlockCreateOptions; void qapi_free_QCryptoBlockCreateOptions(QCryptoBlockCreateOptions *obj); This is used in the traditional manner: QCryptoBlockCreateOptions *opts = NULL; opts = g_new0(QCryptoBlockCreateOptions, 1); ....do stuff with opts... qapi_free_QCryptoBlockCreateOptions(opts); Since bumping the min glib to 2.48, QEMU has incrementally adopted the use of g_auto/g_autoptr. This allows the compiler to run a function to free a variable when it goes out of scope, the benefit being the compiler can guarantee it is freed in all possible code ptahs. This benefit is applicable to QAPI types too, and given the seriously long method names for some qapi_free_XXXX() functions, is much less typing. This change thus makes the code generator emit: G_DEFINE_AUTOPTR_CLEANUP_FUNC(QCryptoBlockCreateOptions, qapi_free_QCryptoBlockCreateOptions) The above code example now becomes g_autoptr(QCryptoBlockCreateOptions) opts = NULL; opts = g_new0(QCryptoBlockCreateOptions, 1); ....do stuff with opts... Note, if the local pointer needs to live beyond the scope holding the variable, then g_steal_pointer can be used. This is useful to return the pointer to the caller in the success codepath, while letting it be freed in all error codepaths. return g_steal_pointer(&opts); The crypto/block.h header needs updating to avoid symbol clash now that the g_autoptr support is a standard QAPI feature. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20200723153845.2934357-1-berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-09-01Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into ↵Peter Maydell
staging meson fixes: * bump submodule to 0.55.1 * SDL, pixman and zlib fixes * firmwarepath fix * fix firmware builds meson related: * move install to Meson * move NSIS to Meson * do not make meson use cmake * add description to options # gpg: Signature made Tue 01 Sep 2020 17:11:03 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: (26 commits) Makefile: Fix in-tree clean/distclean Makefile: Add back TAGS/ctags/cscope rules meson: add description to options build: fix recurse-all target meson: use pkg-config method to find dependencies configure: do not include ${prefix} in firmwarepath meson: add pixman dependency to UI modules meson: add pixman dependency to chardev/baum module meson: add NSIS building meson: use meson mandir instead of qemu_mandir meson: pass docdir option meson: use meson datadir instead of qemu_datadir meson: pass qemu_suffix option configure: build docdir like other suffixed directories configure: always /-seperate directory from qemu_suffix configure: rename confsuffix option meson: move zlib detection to meson build-sys: remove install target from Makefile meson: install $localstatedir/run for qga meson: install desktop file ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-01Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier2/tags/trivial-branch-for-5.2-pull-request' into staging Pull request trivial patches 20200901 # gpg: Signature made Tue 01 Sep 2020 15:08:59 BST # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/trivial-branch-for-5.2-pull-request: (44 commits) docs/system: Fix grammar in documentation main-loop: Fix comment hw/display/vga:Remove redundant statement in vga_draw_graphic() hw/intc: fix default registers value in exynos4210_combiner_read() usb/bus: Remove dead assignment in usb_get_fw_dev_path() vfio/platform: Remove dead assignment in vfio_intp_interrupt() hw/net/virtio-net:Remove redundant statement in virtio_net_rsc_tcp_ctrl_check() hw/virtio/vhost-user:Remove dead assignment in scrub_shadow_regions() target/arm/translate-a64:Remove redundant statement in disas_simd_two_reg_misc_fp16() target/arm/translate-a64:Remove dead assignment in handle_scalar_simd_shli() hw/arm/omap1:Remove redundant statement in omap_clkdsp_read() hw/arm/virt-acpi-build:Remove dead assignment in build_madt() linux-user: Add strace support for printing OFD fcntl operations util/vfio-helpers: Unify trace-events size format hw/net/xilinx_axienet: Remove unused code hw/scsi/scsi-disk: Replace magic '512' value by BDRV_SECTOR_SIZE hw/ide/pci: Replace magic '512' value by BDRV_SECTOR_SIZE hw/ide/atapi: Replace magic '512' value by BDRV_SECTOR_SIZE hw/ide/ahci: Replace magic '512' value by BDRV_SECTOR_SIZE hw/ide/core: Trivial typo fix ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-01meson: use pkg-config method to find dependenciesPaolo Bonzini
We do not need to ask cmake for the dependencies, so just use the pkg-config mechanism. Keep "auto" for SDL so that it tries using sdl-config too. The documentation is adjusted to use SDL2_image as the example, rather than SDL which does not use the "pkg-config" method. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-01meson: pass docdir optionMarc-André Lureau
When cross-compiling, by default qemu_docdir is 'c:\Program Files\QEMU\' which is not recognized as being an absolute path, and meson will end up adding the prefix again. Add an option to pass docdir location to meson, pre-prefixed like we do with other directories, build qemu_docdir with the common suffix and use that instead of config_host['qemu_docdir']. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200826110419.528931-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-01docs/system: Fix grammar in documentationStefan Weil
Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200827173051.31050-1-sw@weilnetz.de> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-01docs/system/target-avr: Improve the AVR docs and add to MAINTAINERSThomas Huth
The examples look nicer when using "::" code blocks. Also mention that "-d in_asm" only outputs instructions that have not been translated by the JIT layer yet. And while we're at it, also add the AVR doc file to the MAINTAINERS file. Signed-off-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Michael Rolnik <mrolnik@gmail.com> Message-Id: <20200812155304.18016-1-huth@tuxfamily.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-01docs: Fix broken linksHan Han
Signed-off-by: Han Han <hhan@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200807101736.3544506-1-hhan@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-08-31hw/usb: Add U2F device autoscan to passthru modeCésar Belley
This patch adds an autoscan to let u2f-passthru choose the first U2F device it finds. The autoscan is performed using libudev with an enumeration of all the hidraw devices present on the host. The first device which happens to be a U2F device is taken to do the passtru. Signed-off-by: César Belley <cesar.belley@lse.epita.fr> Message-id: 20200826114209.28821-13-cesar.belley@lse.epita.fr Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-08-31docs/qdev-device-use.txt: Add USB U2F key to the QDEV devices examplesCésar Belley
Signed-off-by: César Belley <cesar.belley@lse.epita.fr> Message-id: 20200826114209.28821-10-cesar.belley@lse.epita.fr Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-08-31docs/system: Add U2F key to the USB devices examplesCésar Belley
Signed-off-by: César Belley <cesar.belley@lse.epita.fr> Message-id: 20200826114209.28821-9-cesar.belley@lse.epita.fr Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-08-31docs: Add USB U2F key device documentationCésar Belley
Add USB U2F key device documentation: - USB U2F key device - Building - Using u2f-emulated - Using u2f-passthru - Libu2f-emu Signed-off-by: César Belley <cesar.belley@lse.epita.fr> Message-id: 20200826114209.28821-3-cesar.belley@lse.epita.fr Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-08-28virtiofsd: Remove "norace" from cmdline help and docsSergio Lopez
Commit 93bb3d8d4cda ("virtiofsd: remove symlink fallbacks") removed the implementation of the "norace" option, so remove it from the cmdline help and the documentation too. Signed-off-by: Sergio Lopez <slp@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20200717121110.50580-1-slp@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-08-28virtiofsd: Disable remote posix locks by defaultVivek Goyal
Right now we enable remote posix locks by default. That means when guest does a posix lock it sends request to server (virtiofsd). But currently we only support non-blocking posix lock and return -EOPNOTSUPP for blocking version. This means that existing applications which are doing blocking posix locks get -EOPNOTSUPP and fail. To avoid this, people have been running virtiosd with option "-o no_posix_lock". For new users it is still a surprise and trial and error takes them to this option. Given posix lock implementation is not complete in virtiofsd, disable it by default. This means that posix locks will work with-in applications in a guest but not across guests. Anyway we don't support sharing filesystem among different guests yet in virtiofs so this should not lead to any kind of surprise or regression and will make life little easier for virtiofs users. Reported-by: Aa Aa <jimbothom@yandex.com> Suggested-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-08-27docs/system/s390x: Add a chapter about s390x boot devicesThomas Huth
Booting on s390x is a little bit different compared to other architectures. Let's add some information for people who are not yet used to this. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20200806150507.12073-1-thuth@redhat.com> [CH: minor wording tweaks] Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-08-25qcow2: Document the Extended L2 Entries featureAlberto Garcia
Subcluster allocation in qcow2 is implemented by extending the existing L2 table entries and adding additional information to indicate the allocation status of each subcluster. This patch documents the changes to the qcow2 format and how they affect the calculation of the L2 cache size. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <5199f2e1c717bcaa58b48142c9062b803145ff7f.1594396418.git.berto@igalia.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-08-24Merge remote-tracking branch ↵Peter Maydell
'remotes/pmaydell/tags/pull-target-arm-20200824' into staging target-arm queue: * hw/cpu/a9mpcore: Verify the machine use Cortex-A9 cores * hw/arm/smmuv3: Implement SMMUv3.2 range-invalidation * docs/system/arm: Document the Xilinx Versal Virt board * target/arm: Make M-profile NOCP take precedence over UNDEF * target/arm: Use correct FPST for VCMLA, VCADD on fp16 * target/arm: Various cleanups preparing for fp16 support # gpg: Signature made Mon 24 Aug 2020 10:47:14 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-20200824: (27 commits) target/arm: Use correct FPST for VCMLA, VCADD on fp16 target/arm: Implement FPST_STD_F16 fpstatus target/arm: Make A32/T32 use new fpstatus_ptr() API target/arm: Replace A64 get_fpstatus_ptr() with generic fpstatus_ptr() target/arm: Delete unused ARM_FEATURE_CRC target/arm/translate.c: Delete/amend incorrect comments target/arm: Delete unused VFP_DREG macros target/arm: Remove ARCH macro target/arm: Convert T32 coprocessor insns to decodetree target/arm: Do M-profile NOCP checks early and via decodetree target/arm: Tidy up disas_arm_insn() target/arm: Convert A32 coprocessor insns to decodetree target/arm: Separate decode from handling of coproc insns target/arm: Pull handling of XScale insns out of disas_coproc_insn() docs/system/arm: Document the Xilinx Versal Virt board hw/arm/smmuv3: Advertise SMMUv3.2 range invalidation hw/arm/smmuv3: Support HAD and advertise SMMUv3.1 support hw/arm/smmuv3: Let AIDR advertise SMMUv3.0 support hw/arm/smmuv3: Fix IIDR offset hw/arm/smmuv3: Get prepared for range invalidation ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-08-24docs/system/arm: Document the Xilinx Versal Virt boardEdgar E. Iglesias
Document the Xilinx Versal Virt board. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 20200803164749.301971-2-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-08-24Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.2-20200818' ↵Peter Maydell
into staging ppc patch queue 2020-08-18 Here's my first pull request for qemu-5.2, which has quite a few accumulated things. Highlights are: * Preliminary support for POWER10 (Power ISA 3.1) instruction emulation * Add documentation on the (very confusing) pseries NUMA configuration * Fix some bugs handling edge cases with XICS, XIVE and kernel_irqchip * Fix icount for a number of POWER registers * Many cleanups to error handling in XIVE code * Validate size of -prom-env data # gpg: Signature made Tue 18 Aug 2020 05:18:36 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/dgibson/tags/ppc-for-5.2-20200818: (40 commits) spapr/xive: Use xive_source_esb_len() nvram: Exit QEMU if NVRAM cannot contain all -prom-env data spapr/xive: Simplify error handling of kvmppc_xive_cpu_synchronize_state() ppc/xive: Simplify error handling in xive_tctx_realize() spapr/xive: Simplify error handling in kvmppc_xive_connect() ppc/xive: Fix error handling in vmstate_xive_tctx_*() callbacks spapr/xive: Fix error handling in kvmppc_xive_post_load() spapr/kvm: Fix error handling in kvmppc_xive_pre_save() spapr/xive: Rework error handling of kvmppc_xive_set_source_config() spapr/xive: Rework error handling in kvmppc_xive_get_queues() spapr/xive: Rework error handling of kvmppc_xive_[gs]et_queue_config() spapr/xive: Rework error handling of kvmppc_xive_cpu_[gs]et_state() spapr/xive: Rework error handling of kvmppc_xive_mmap() spapr/xive: Rework error handling of kvmppc_xive_source_reset() spapr/xive: Rework error handling of kvmppc_xive_cpu_connect() spapr: Simplify error handling in spapr_phb_realize() spapr/xive: Convert KVM device fd checks to assert() ppc/xive: Introduce dedicated kvm_irqchip_in_kernel() wrappers ppc/xive: Rework setup of XiveSource::esb_mmio target/ppc: Integrate icount to purr, vtb, and tbu40 ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-08-21docs: convert build system documentation to rSTPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: update build-system documentationPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21rules.mak: drop unneeded macrosPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: build texi docPaolo Bonzini
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21docs: automatically track manual dependenciesPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: sphinx-buildPaolo Bonzini
For now, sphinx is run on every invocation of make. The previous mechanism using $(wildcard) is not reproducible in Meson and was also brittle; for example some .rst.inc files were left out. The next patch will introduce a Sphinx extension to emit a depfile. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: link emulators without Makefile.targetPaolo Bonzini
The binaries move to the root directory, e.g. qemu-system-i386 or qemu-arm. This requires changes to qtests, CI, etc. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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