The configure script breaks when the qemu source directory is in a path
containing white spaces, in particular the list of targets is not
correctly generated when calling "./configure --help" because of how the
default_target_list variable is built.
In addition to that, *building* qemu from a directory with spaces breaks
some assumptions in the Makefiles, even if the original source path does
not contain spaces like in the case of an out-of-tree build, or when
symlinks are involved.
To avoid these issues, refuse to run the configure script and the
Makefile if there are spaces or colons in the source path or the build
path, taking as inspiration what the kbuild system in linux does.
Buglink: https://bugs.launchpad.net/qemu/+bug/1817345
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Antonio Ospite <antonio.ospite@collabora.com>
Message-Id: <20190526144747.30019-3-ao2@ao2.it>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Now we have some rST format docs in the docs/specs/ manual, we should
actually build and install it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-id: 20190610152444.20859-3-peter.maydell@linaro.org
Add a vhost-user gpu backend, based on virtio-gpu/3d device. It is
associated with a vhost-user-gpu device.
Various TODO and nice to have items:
- multi-head support
- crash & resume handling
- accelerated rendering/display that avoids the waiting round trips
- edid support
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190524130946.31736-6-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Commit 337f2311f actually claimed to do this in the commit log but
didn't actually. Oops.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Use qemu_guest_getrandom in aspeed, nrf51, bcm2835, exynos4210 rng devices.
Use qemu_guest_getrandom in target/ppc darn instruction.
Support ARMv8.5-RNG extension.
Support x86 RDRAND extension.
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Laurent Vivier <laurent@vivier.eu>
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Merge remote-tracking branch 'remotes/rth/tags/pull-rng-20190522' into staging
Introduce qemu_guest_getrandom.
Use qemu_guest_getrandom in aspeed, nrf51, bcm2835, exynos4210 rng devices.
Use qemu_guest_getrandom in target/ppc darn instruction.
Support ARMv8.5-RNG extension.
Support x86 RDRAND extension.
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Laurent Vivier <laurent@vivier.eu>
# gpg: Signature made Wed 22 May 2019 19:36:43 BST
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth/tags/pull-rng-20190522: (25 commits)
target/i386: Implement CPUID_EXT_RDRAND
target/ppc: Use qemu_guest_getrandom for DARN
target/ppc: Use gen_io_start/end around DARN
target/arm: Implement ARMv8.5-RNG
target/arm: Put all PAC keys into a structure
hw/misc/exynos4210_rng: Use qemu_guest_getrandom
hw/misc/bcm2835_rng: Use qemu_guest_getrandom_nofail
hw/misc/nrf51_rng: Use qemu_guest_getrandom_nofail
aspeed/scu: Use qemu_guest_getrandom_nofail
linux-user: Remove srand call
linux-user/aarch64: Use qemu_guest_getrandom for PAUTH keys
linux-user: Use qemu_guest_getrandom_nofail for AT_RANDOM
linux-user: Call qcrypto_init if not using -seed
linux-user: Initialize pseudo-random seeds for all guest cpus
cpus: Initialize pseudo-random seeds for all guest cpus
util: Add qemu_guest_getrandom and associated routines
ui/vnc: Use gcrypto_random_bytes for start_auth_vnc
ui/vnc: Split out authentication_failed
crypto: Change the qcrypto_random_bytes buffer type to void*
crypto: Use getrandom for qcrypto_random_bytes
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For user-only, we require only the random number bits of the
crypto subsystem. Rename crypto-aes-obj-y to crypto-user-obj-y,
and add the random number objects, plus init.o to handle any
extra stuff the crypto library requires.
Move the crypto libraries from libs_softmmu and libs_tools to
LIBS, so that they are universally used.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add a vhost-user input backend example, based on virtio-input-host
device. It takes an evdev path as argument, and can be associated with
a vhost-user-input device via a UNIX socket:
$ vhost-user-input -p /dev/input/eventX -s /tmp/vui.sock
$ qemu ... -chardev socket,id=vuic,path=/tmp/vui.sock
-device vhost-user-input-pci,chardev=vuic
This example is intentionally not included in $TOOLS, and not
installed by default.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190514104126.6294-4-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Some objects are only needed for system emulation and tools.
We can ignore them for the user mode case
Update tests to run accordingly: conditionally build some tests
on CONFIG_BLOCK.
Some tests use components that are only built when softmmu or
block tools are enabled, not for linux-user. So, if these components
are not available, disable the tests.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20190401141222.30034-6-lvivier@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Move the dependency from SUBDIR_RULES to SOFTMMU_SUBDIR_RULES
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20190401141222.30034-5-lvivier@redhat.com>
When possible use generated-files-$(FLAG) to disable
some targets (like KEYCODEMAP_FILES).
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20190401141222.30034-3-lvivier@redhat.com>
The Makefile tries to include device Kconfig dependencies via
-include $(SUBDIR_DEVICES_MAK_DEP)
and thus expects files that match *-softmmu/config-devices.mak.d ...
however, the minikconf script currently generates files a la
"*-softmmu-config.devices.mak.d" instead, so the dependency files
simply got ignored so far. For example, after a "touch hw/arm/Kconfig",
the arm-softmmu/config-devices.mak file is currently not re-generated.
Fix it by putting the dependency files in the *-softmmu folders now.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This new chapter in the QEMU documentation covers the security
requirements that QEMU is designed to meet and principles for securely
deploying QEMU.
It is just a starting point that can be extended in the future with more
information.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Message-id: 20190509121820.16294-3-stefanha@redhat.com
Message-Id: <20190509121820.16294-3-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Commit 48ff7a625b added the QEMU Guest Agent tool with the
optional ".exe" suffix for Windows hosts, but forgot to use
this suffix in the 'clean' rule. Calling this rule let a dangling
executable in the build directory.
Correct this by using the proper optional suffix.
Fixes: 48ff7a625b
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20190427161322.24642-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Use a CONFDIR variable to show the configured sysconf path in the
generated documentations (html, man pages etc).
Related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1644985
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20181126105125.30973-1-marcandre.lureau@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
CFLAGS/LDFLAGS have debug and sanitizers flags, which should be passed
to slirp compilation.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190424110041.8175-2-marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
If we add references that don't resolve (or accidentally remove them),
it will be helpful to have warning messages alerting us to that.
Further, turn those warnings into errors so we can be alerted to these
problems sooner rather than later.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20190426221528.30293-2-jsnow@redhat.com
[adjusted commit message. --js]
Signed-off-by: John Snow <jsnow@redhat.com>
Decompress and install the edk2 firmware blobs as part of "make install",
unless blob installation was disabled with configure's "--disable-blobs"
option.
Additionally, decompress the blobs as a pre-requisite for building softmmu
binaries -- this is helpful for both "make check" and other ad-hoc tests
one might want to run in the build directory.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Philippe Mathieu-Daud <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Philippe Mathieu-Daud <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
This ensures that softmmu directories are culled after a
"./configure --target-list=x86_64-linux-user".
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
For devices that require msi_init/msix_init to succeed, add a
dependency on CONFIG_MSI_NONBROKEN. This will prevent those devices
from appearing in a binary that cannot instantiate them.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- various CI tweaks and fixes
- fixes for some tcg tests
- addition of system tcg tests
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-for-4.0-120319-1' into staging
Final testing fixes for 4.0
- various CI tweaks and fixes
- fixes for some tcg tests
- addition of system tcg tests
# gpg: Signature made Tue 12 Mar 2019 17:07:24 GMT
# 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-testing-for-4.0-120319-1: (26 commits)
.travis.yml: add softmmu check-tcg tests
.travis.yml: separate softfloat from check-tcg
tests/tcg/arm: account for pauth randomness
tests/tcg/i386: add memory test to exercise softmmu
tests/tcg/i386: add system mode Hello World test
tests/tcg: provide a minilib for system tests
tests/tcg: enable cris base user-mode tests
tests/tcg/cris: align mul operations
tests/tcg/cris: comment out the ccs test
tests/tcg: split cris tests into bare and libc directories
tests/tcg/cris: cleanup sys.c
tests/docker: add fedora-cris-cross compilers
tests/tcg/arm: add ARMv6-M UNDEFINED 32-bit instruction test
tests/tcg/xtensa: enable system tests
tests/docker: add debian-xtensa-cross image
tests/tcg/mips: fix hello-mips compilation
tests/tcg: add gdb runner variant
tests/tcg: split run-test into user and system variants
tests/tcg: add QEMU_OPT option for test runner
tests/tcg: enable tcg tests for softmmu
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch adds support for VHOST_USER_GET_INFLIGHT_FD and
VHOST_USER_SET_INFLIGHT_FD message to set/get shared buffer
to/from qemu. Then backend can track inflight I/O in this buffer.
Signed-off-by: Xie Yongji <xieyongji@baidu.com>
Signed-off-by: Zhang Yu <zhangyu31@baidu.com>
Message-Id: <20190228085355.9614-5-xieyongji@baidu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Best to be explicit about where to find things.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
In an out-of-tree build gcovr can get quite confused about what is
going on otherwise.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
If we're doing an out-of-tree build of Sphinx, then we
copy some extra spurious files to the install directory
as part of 'make install':
qemu-ga-qapi.texi
qemu-ga-ref.7
qemu-ga-ref.7.pod
qemu-ga-ref.html
qemu-ga-ref.txt
qemu-qmp-qapi.texi
qemu-qmp-ref.7
qemu-qmp-ref.7.pod
qemu-qmp-ref.html
qemu-qmp-ref.txt
because these have been built into build/docs/interop along
with the Sphinx interop documents. Filter them out of the
set of files we install when we're installing the Sphinx-built
manual files. (They are installed into their correct locations
as part of the main install-doc target already.)
Fixes: 5f71eac06e ("Makefile, configure: Support building rST documentation")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190308135744.6480-4-peter.maydell@linaro.org
We forgot the '-r' option on the rm command to clean up the
Sphinx .doctrees working directory, which meant that
"make distclean" fails:
rm: cannot remove '.doctrees': Is a directory
Add the missing option.
Fixes: 5f71eac06e ("Makefile, configure: Support building rST documentation")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190308135744.6480-3-peter.maydell@linaro.org
The Sphinx build-sphinx tool does not permit building a manual
into the same directory as its source files. This meant that
commit 5f71eac06e broke QEMU in-source-tree
builds, which would fail with:
Error: source directory and destination directory are same.
Fix this by making in-tree builds build the Sphinx manuals
into a subdirectory of docs/.
Fixes: 5f71eac06e ("Makefile, configure: Support building rST documentation")
Reported-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190308135744.6480-2-peter.maydell@linaro.org
Apart from defconfig (which is a no-op),
allyesconfig/allnoconfig/randcondfig can be implemented simply by ignoring
the RHS of assignments and "default" statements. The RHS is replaced
respectively by "true", "false" or a random value.
However, allyesconfig and randconfig do not quite work, because all the
files for hw/ARCH/Kconfig are sourced and therefore you could end up
enabling some ARM boards in x86 or things like that. This is left for
future work, but I am leaving it in to help debugging minikconf itself.
allnoconfig mode is tied to a new configure option, --without-default-devices.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The make_device_config.sh script is replaced by minikconf, which
is modified to support the same command line as its predecessor.
The roots of the parsing are default-configs/*.mak, Kconfig.host and
hw/Kconfig. One difference with make_device_config.sh is that all symbols
have to be defined in a Kconfig file, including those coming from the
configure script. This is the reason for the Kconfig.host file introduced
in the previous patch. Whenever a file in default-configs/*.mak used
$(...) to refer to a config-host.mak symbol, this is replaced by a
Kconfig dependency; this part must be done already in this patch
for bisectability.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190123065618.3520-28-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Don't hard-code the QEMU version number into conf.py. Instead
we either pass it to sphinx-build on the command line, or
(if doing a standalone Sphinx run in a readthedocs.org setup)
extract it from the VERSION file.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190305172139.32662-12-peter.maydell@linaro.org
Message-id: 20190228145624.24885-12-peter.maydell@linaro.org
Abstract out the "identify the pkgversion" code from the
rule for creating qemu-version.h, so it sets makefile
variables for QEMU_PKGVERSION and QEMU_FULL_VERSION.
(We will want to use these when building the Sphinx docs.)
NB: As we abstract this out, we use -e to check for .git
rather than -d, since in some situations .git may be a file
rather than a directory.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190305172139.32662-11-peter.maydell@linaro.org
Message-id: 20190228145624.24885-11-peter.maydell@linaro.org
Add support to our configure and makefile machinery for building
our rST docs into HTML files.
Building the documentation now requires that sphinx-build is
available; this seems better than allowing half the docs to
be built if it is not present but having half of them missing.
(In particular it means that assuming that distros configured with
--enable-docs they'll get a helpful error from configure telling
them the new build dependency.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190305172139.32662-10-peter.maydell@linaro.org
Message-id: 20190228145624.24885-10-peter.maydell@linaro.org
Use the "system" libslirp if its present or requested.
Else build with a static libslirp.a if slirp/ is checked
out ("internal") or a submodule ("git").
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190212162524.31504-7-marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Lots of work on tests: BiosTablesTest UEFI app,
vhost-user testing for non-Linux hosts.
Misc cleanups and fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio: fixes, cleanups, tests
Lots of work on tests: BiosTablesTest UEFI app,
vhost-user testing for non-Linux hosts.
Misc cleanups and fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 22 Feb 2019 15:51:40 GMT
# gpg: using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (26 commits)
pci: Sanity test minimum downstream LNKSTA
hw/smbios: fix offset of type 3 sku field
pci: Move NVIDIA vendor id to the rest of ids
virtio-balloon: Safely handle BALLOON_PAGE_SIZE < host page size
virtio-balloon: Use ram_block_discard_range() instead of raw madvise()
virtio-balloon: Rework ballon_page() interface
virtio-balloon: Corrections to address verification
virtio-balloon: Remove unnecessary MADV_WILLNEED on deflate
i386/kvm: ignore masked irqs when update msi routes
contrib/vhost-user-blk: fix the compilation issue
Revert "contrib/vhost-user-blk: fix the compilation issue"
pc-dimm: use same mechanism for [get|set]_addr
tests/data: introduce "uefi-boot-images" with the "bios-tables-test" ISOs
tests/uefi-test-tools: add build scripts
tests: introduce "uefi-test-tools" with the BiosTablesTest UEFI app
roms: build the EfiRom utility from the roms/edk2 submodule
roms: add the edk2 project as a git submodule
vhost-user-test: create a temporary directory per TestServer
vhost-user-test: small changes to init_hugepagefs
vhost-user-test: create a main loop per TestServer
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The current qemu_acl module provides a simple access control list
facility inside QEMU, which is used via a set of monitor commands
acl_show, acl_policy, acl_add, acl_remove & acl_reset.
Note there is no ability to create ACLs - the network services (eg VNC
server) were expected to create ACLs that they want to check.
There is also no way to define ACLs on the command line, nor potentially
integrate with external authorization systems like polkit, pam, ldap
lookup, etc.
The QAuthZ object defines a minimal abstract QOM class that can be
subclassed for creating different authorization providers.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The roms/edk2 submodule can help with three goals:
- build the OVMF and ArmVirtQemu virtual UEFI firmware platforms (to be
implemented later),
- build the EfiRom tool on the fly, which is used in roms/Makefile, for
building the "efirom" target,
- build UEFI test applications (to be run in guests), for qtest support.
Edk2 commit 85588389222a3636baf0f9ed8227f2434af4c3f9 stands for the latest
"stable tag", namely "edk2-stable201811".
The edk2 repository tracks some binary files that should not be removed by
QEMU's top-level "make clean"; exempt the full pathnames from the "find"
command.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Cc: Shannon Zhao <shannon.zhaosl@gmail.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20190204160325.4914-2-lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Adding QAPI's .o to util-obj-y, common-obj-y and obj-y is spread over
three places: Makefile.objs takes care of target-independent generated
code, Makefile.target of target-dependent generated code, and
qapi/Makefile.objs of (target-independent) hand-written code.
Do everything in qapi/Makefile.objs.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190214152251.2073-8-armbru@redhat.com>
Having to include qapi-events.h just for QAPIEvent is suboptimal, but
quite tolerable now. It'll become problematic when we have events
conditional on the target, because then qapi-events.h won't be usable
from target-independent code anymore. Avoid that by generating it
into separate files.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190214152251.2073-6-armbru@redhat.com>
After this patch contrib/elf2dmp can be built for Windows x86 and x86_64
hosts by mingw.
Signed-off-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Message-Id: <20181220012441.13694-7-viktor.prutyanov@phystech.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The new pvh.bin option rom can be used with SeaBIOS to boot
uncompressed kernel using the x86/HVM direct boot ABI.
pvh.S contains the entry point of the option rom. It runs
in real mode, loads the e820 table querying the BIOS, and
then it switches to 32bit protected mode and jumps to the
pvh_load_kernel() written in pvh_main.c.
pvh_load_kernel() loads the cmdline and kernel entry_point
using fw_cfg, then it looks for RSDP, fills the
hvm_start_info required by x86/HVM ABI, and finally jumps
to the kernel entry_point.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Autogenerated code in trace.h/trace.c and friends is specific to the
config-host.mak TRACE_BACKENDS setting and must be regenerated when
./configure --enable-trace-backend= changes settings.
This patch ensures that changes to TRACE_BACKENDS are detected. For
example, the trace-root.h file is now updated after switching trace
backends:
$ ./configure && make
$ cp trace-root.h /tmp/old-trace-root.h
$ ./configure --enable-trace-backend=simple && make
$ diff -u /tmp/old-trace-root.h trace-root.h
Reported-by: Christophe Lyon <christophe.lyon@st.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: 20190129025343.4788-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The dtrace systemtap trace backend for QEMU is very powerful but it is
also somewhat unfriendly to users who aren't familiar with systemtap,
or who don't need its power right now.
stap -e "....some strange script...."
The 'log' backend for QEMU by comparison is very crude but incredibly
easy to use:
$ qemu -d trace:qio* ...some args...
23266@1547735759.137292:qio_channel_socket_new Socket new ioc=0x563a8a39d400
23266@1547735759.137305:qio_task_new Task new task=0x563a891d0570 source=0x563a8a39d400 func=0x563a86f1e6c0 opaque=0x563a89078000
23266@1547735759.137326:qio_task_thread_start Task thread start task=0x563a891d0570 worker=0x563a86f1ce50 opaque=0x563a891d9d90
23273@1547735759.137491:qio_task_thread_run Task thread run task=0x563a891d0570
23273@1547735759.137503:qio_channel_socket_connect_sync Socket connect sync ioc=0x563a8a39d400 addr=0x563a891d9d90
23273@1547735759.138108:qio_channel_socket_connect_fail Socket connect fail ioc=0x563a8a39d400
This commit introduces a way to do simple printf style logging of probe
points using systemtap. In particular it creates another set of tapsets,
one per emulator:
/usr/share/systemtap/tapset/qemu-*-log.stp
These pre-define probe functions which simply call printf() on their
arguments. The printf() format string is taken from the normal
trace-events files, with a little munging to the format specifiers
to cope with systemtap's more restrictive syntax.
With this you can now do
$ stap -e 'probe qemu.system.x86_64.log.qio*{}'
22806@1547735341399856820 qio_channel_socket_new Socket new ioc=0x56135d1d7c00
22806@1547735341399862570 qio_task_new Task new task=0x56135cd66eb0 source=0x56135d1d7c00 func=0x56135af746c0 opaque=0x56135bf06400
22806@1547735341399865943 qio_task_thread_start Task thread start task=0x56135cd66eb0 worker=0x56135af72e50 opaque=0x56135c071d70
22806@1547735341399976816 qio_task_thread_run Task thread run task=0x56135cd66eb0
We go one step further though and introduce a 'qemu-trace-stap' tool to
make this even easier
$ qemu-trace-stap run qemu-system-x86_64 'qio*'
22806@1547735341399856820 qio_channel_socket_new Socket new ioc=0x56135d1d7c00
22806@1547735341399862570 qio_task_new Task new task=0x56135cd66eb0 source=0x56135d1d7c00 func=0x56135af746c0 opaque=0x56135bf06400
22806@1547735341399865943 qio_task_thread_start Task thread start task=0x56135cd66eb0 worker=0x56135af72e50 opaque=0x56135c071d70
22806@1547735341399976816 qio_task_thread_run Task thread run task=0x56135cd66eb0
This tool is clever in that it will automatically change the
SYSTEMTAP_TAPSET env variable to point to the directory containing the
right set of probes for the QEMU binary path you give it. This is useful
if you have QEMU installed in /usr but are trying to test and trace a
binary in /home/berrange/usr/qemu-git. In that case you'd do
$ qemu-trace-stap run /home/berrange/usr/qemu-git/bin/qemu-system-x86_64 'qio*'
And it'll make sure /home/berrange/usr/qemu-git/share/systemtap/tapset
is used for the trace session
The 'qemu-trace-stap' script takes a verbose arg so you can understand
what it is running
$ qemu-trace-stap run /home/berrange/usr/qemu-git/bin/qemu-system-x86_64 'qio*'
Using tapset dir '/home/berrange/usr/qemu-git/share/systemtap/tapset' for binary '/home/berrange/usr/qemu-git/bin/qemu-system-x86_64'
Compiling script 'probe qemu.system.x86_64.log.qio* {}'
Running script, <Ctrl>-c to quit
...trace output...
It can enable multiple probes at once
$ qemu-trace-stap run qemu-system-x86_64 'qio*' 'qcrypto*' 'buffer*'
By default it monitors all existing running processes and all future
launched proceses. This can be restricted to a specific PID using the
--pid arg
$ qemu-trace-stap run --pid 2532 qemu-system-x86_64 'qio*'
Finally if you can't remember what probes are valid it can tell you
$ qemu-trace-stap list qemu-system-x86_64
ahci_check_irq
ahci_cmd_done
ahci_dma_prepare_buf
ahci_dma_prepare_buf_fail
ahci_dma_rw_buf
ahci_irq_lower
...snip...
Or list just those matching a prefix pattern
$ qemu-trace-stap list -v qemu-system-x86_64 'qio*'
Using tapset dir '/home/berrange/usr/qemu-git/share/systemtap/tapset' for binary '/home/berrange/usr/qemu-git/bin/qemu-system-x86_64'
Listing probes with name 'qemu.system.x86_64.log.qio*'
qio_channel_command_abort
qio_channel_command_new_pid
qio_channel_command_new_spawn
qio_channel_command_wait
qio_channel_file_new_fd
...snip...
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20190123120016.4538-5-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The next commit will add an EXAMPLES section to qemu-nbd.8;
for that to work, we need to recognize EXAMPLES in texi2pod.
We also need to add a dependency from all man pages against
the generator script, since a change to the generator may
cause the resulting man page to differ.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Message-Id: <20190117193658.16413-3-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
The icon associated with a GtkWindow is just a hint to window managers
and not all of them will honour it. Some will instead want to show the
icon listed by the .desktop file. The desktop file is located based on
the application ID, which is set using g_set_prgname. QEMU has not
historically provided a desktop file or set its app ID, so it got a
broken icon in GNOME shell, which is now fixed.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20190110120047.25369-3-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
