Commit Graph

56494 Commits

Author SHA1 Message Date
Peter Xu
82d90705fe iothread: export iothread_stop()
So that internal iothread users can explicitly stop one iothread without
destroying it.

Since at it, fix iothread_stop() to allow it to be called multiple
times.  Before this patch we may call iothread_stop() more than once on
single iothread, while that may not be correct since qemu_thread_join()
is not allowed to run twice.  From manual of pthread_join():

  Joining with a thread that has previously been joined results in
  undefined behavior.

Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-id: 20170928025958.1420-4-peterx@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-10-03 14:36:16 -04:00
Peter Xu
0173e21b61 iothread: provide helpers for internal use
IOThread is a general framework that contains IO loop environment and a
real thread behind.  It's also good to be used internally inside qemu.
Provide some helpers for it to create iothreads to be used internally.

Put all the internal used iothreads into the internal object container.

Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-id: 20170928025958.1420-3-peterx@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-10-03 14:26:15 -04:00
Peter Xu
7c47c4ead7 qom: provide root container for internal objs
We have object_get_objects_root() to keep user created objects, however
no place for objects that will be used internally.  Create such a
container for internal objects.

CC: Andreas Färber <afaerber@suse.de>
CC: Markus Armbruster <armbru@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
Suggested-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20170928025958.1420-2-peterx@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-10-03 14:26:15 -04:00
Peter Maydell
d147f7e815 * iothread bugfix (Eduardo)
* Linux headers sync (Dave)
 * .gitignore fix (Eric)
 * KVM capability check fixes (Greg)
 * kvmclock fix (Jim)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* iothread bugfix (Eduardo)
* Linux headers sync (Dave)
* .gitignore fix (Eric)
* KVM capability check fixes (Greg)
* kvmclock fix (Jim)

# gpg: Signature made Mon 02 Oct 2017 14:31:09 BST
# gpg:                using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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/tags/for-upstream:
  kvmclock: use the updated system_timer_msr
  kvm: check KVM_CAP_NR_VCPUS with kvm_vm_check_extension()
  kvm: check KVM_CAP_SYNC_MMU with kvm_vm_check_extension()
  linux-headers: sync against v4.14-rc1
  iothread: Make iothread_stop() idempotent
  scsi: Ignore executable for in-tree builds

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-03 16:27:24 +01:00
Peter Maydell
0b7fe5aed7 QAPI patches for 2017-10-02
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-10-02' into staging

QAPI patches for 2017-10-02

# gpg: Signature made Mon 02 Oct 2017 12:09:32 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2017-10-02:
  watchdog: Allow setting action on the fly
  watchdog.h: Drop local redefinition of actions enum
  qapi: Rename WatchdogExpirationAction enum

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-03 15:11:00 +01:00
Peter Maydell
2c94822167 ui and input patches.
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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20170929-pull-request' into staging

ui and input patches.

# gpg: Signature made Fri 29 Sep 2017 11:21:45 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20170929-pull-request:
  ui: add tracing of VNC authentication process
  ui: add tracing of VNC operations related to QIOChannel
  virtio-input: send rel-wheel events for wheel buttons
  egl: misc framebuffer helper improvements.
  console: purge curses bits from console.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-03 13:50:10 +01:00
Peter Maydell
be9d199751 -----BEGIN PGP SIGNATURE-----
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 =E/ew
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/famz/tags/docker-testing-pull-request' into staging

# gpg: Signature made Fri 29 Sep 2017 04:17:37 BST
# gpg:                using RSA key 0xCA35624C6A9171C6
# gpg: Good signature from "Fam Zheng <famz@redhat.com>"
# 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: 5003 7CB7 9706 0F76 F021  AD56 CA35 624C 6A91 71C6

* remotes/famz/tags/docker-testing-pull-request:
  docker: Don't mount ccache db if NOUSER=1
  docker: test-block: Don't continue if build fails
  tests/docker/run: don't source /etc/profile
  docker: Fix test-mingw
  docker: add installation to build tests

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-03 12:43:03 +01:00
Jim Somerville
346b1215b1 kvmclock: use the updated system_timer_msr
Fixes e2b6c17 (kvmclock: update system_time_msr address forcibly)
which makes a call to get the latest value of the address
stored in system_timer_msr, but then uses the old address anyway.

Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
Message-Id: <59b67db0bd15a46ab47c3aa657c81a4c11f168ea.1506702472.git.Jim.Somerville@windriver.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-10-02 14:39:51 +02:00
Greg Kurz
11748ba72e kvm: check KVM_CAP_NR_VCPUS with kvm_vm_check_extension()
On a modern server-class ppc host with the following CPU topology:

Architecture:          ppc64le
Byte Order:            Little Endian
CPU(s):                32
On-line CPU(s) list:   0,8,16,24
Off-line CPU(s) list:  1-7,9-15,17-23,25-31
Thread(s) per core:    1

If both KVM PR and KVM HV loaded and we pass:

        -machine pseries,accel=kvm,kvm-type=PR -smp 8

We expect QEMU to warn that this exceeds the number of online CPUs:

Warning: Number of SMP cpus requested (8) exceeds the recommended
 cpus supported by KVM (4)
Warning: Number of hotpluggable cpus requested (8) exceeds the
 recommended cpus supported by KVM (4)

but nothing is printed...

This happens because on ppc the KVM_CAP_NR_VCPUS capability is VM
specific  ndreally depends on the KVM type, but we currently use it
as a global capability. And KVM returns a fallback value based on
KVM HV being present. Maybe KVM on POWER shouldn't presume anything
as long as it doesn't have a VM, but in all cases, we should call
KVM_CREATE_VM first and use KVM_CAP_NR_VCPUS as a VM capability.

This patch hence changes kvm_recommended_vcpus() accordingly and
moves the sanity checking of smp_cpus after the VM creation.

It is okay for the other archs that also implement KVM_CAP_NR_VCPUS,
ie, mips, s390, x86 and arm, because they don't depend on the VM
being created or not.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <150600966286.30533.10909862523552370889.stgit@bahia.lan>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-10-02 14:38:06 +02:00
Greg Kurz
62dd4edaaf kvm: check KVM_CAP_SYNC_MMU with kvm_vm_check_extension()
On a server-class ppc host, this capability depends on the KVM type,
ie, HV or PR. If both KVM are present in the kernel, we will always
get the HV specific value, even if we explicitely requested PR on
the command line.

This can have an impact if we're using hugepages or a balloon device.

Since we've already created the VM at the time any user calls
kvm_has_sync_mmu(), switching to kvm_vm_check_extension() is
enough to fix any potential issue.

It is okay for the other archs that also implement KVM_CAP_SYNC_MMU,
ie, mips, s390, x86 and arm, because they don't depend on the VM being
created or not.

While here, let's cache the state of this extension in a bool variable,
since it has several users in the code, as suggested by Thomas Huth.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <150600965332.30533.14702405809647835716.stgit@bahia.lan>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-10-02 14:38:06 +02:00
Michal Privoznik
f0df84c6c4 watchdog: Allow setting action on the fly
Currently, the only time that users can set watchdog action is at
the start as all we expose is this -watchdog-action command line
argument. This is suboptimal when users want to plug the device
later via monitor. Alternatively, they might want to change the
action for already existing device on the fly.

Inspired by: https://bugzilla.redhat.com/show_bug.cgi?id=1447169

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <35d6ce6fe3d357122d73b8272bc8198134c74104.1504771369.git.mprivozn@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
[Missing colon in doc comment fixed]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-10-02 13:09:09 +02:00
Michal Privoznik
4c7f4426c4 watchdog.h: Drop local redefinition of actions enum
We already have enum that enumerates all the actions that a
watchdog can take when hitting its timeout: WatchdogAction.
Use that instead of inventing our own.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <ce2790634e6a1b3b6cf90462399d17bad83f0290.1504771369.git.mprivozn@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-10-02 08:41:03 +02:00
Michal Privoznik
14d53b4f4a qapi: Rename WatchdogExpirationAction enum
The new name is WatchdogAction which is shorter,

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <dbd61a0928821348486d0d6260be2bd3b02b6402.1504771369.git.mprivozn@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-10-02 08:40:01 +02:00
Fam Zheng
13787d59cf usb: Use angle brackets for cacard include directive
This is a library header, so angle brackets are more appropriate; also
move the line to before QEMU headers, as is recommended in HACKING.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 20170920085952.3872-1-famz@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-09-29 12:28:26 +02:00
Gerd Hoffmann
275d477a1a usb: fix libusb config variable name.
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Fixes: 4e5ee5b21c
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-id: 20170926063820.30773-1-kraxel@redhat.com
2017-09-29 12:27:30 +02:00
Thomas Huth
f3b2bea3c7 hw/usb/bus: Remove bad object_unparent() from usb_try_create_simple()
Valgrind detects an invalid read operation when hot-plugging of an
USB device fails:

$ valgrind x86_64-softmmu/qemu-system-x86_64 -device usb-ehci -nographic -S
==30598== Memcheck, a memory error detector
==30598== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==30598== Using Valgrind-3.12.0 and LibVEX; rerun with -h for copyright info
==30598== Command: x86_64-softmmu/qemu-system-x86_64 -device usb-ehci -nographic -S
==30598==
QEMU 2.10.50 monitor - type 'help' for more information
(qemu) device_add usb-tablet
(qemu) device_add usb-tablet
(qemu) device_add usb-tablet
(qemu) device_add usb-tablet
(qemu) device_add usb-tablet
(qemu) device_add usb-tablet
==30598== Invalid read of size 8
==30598==    at 0x60EF50: object_unparent (object.c:445)
==30598==    by 0x580F0D: usb_try_create_simple (bus.c:346)
==30598==    by 0x581BEB: usb_claim_port (bus.c:451)
==30598==    by 0x582310: usb_qdev_realize (bus.c:257)
==30598==    by 0x4CB399: device_set_realized (qdev.c:914)
==30598==    by 0x60E26D: property_set_bool (object.c:1886)
==30598==    by 0x61235E: object_property_set_qobject (qom-qobject.c:27)
==30598==    by 0x61000F: object_property_set_bool (object.c:1162)
==30598==    by 0x4567C3: qdev_device_add (qdev-monitor.c:630)
==30598==    by 0x456D52: qmp_device_add (qdev-monitor.c:807)
==30598==    by 0x470A99: hmp_device_add (hmp.c:1933)
==30598==    by 0x3679C3: handle_hmp_command (monitor.c:3123)

The object_unparent() here is not necessary anymore since commit
69382d8b3e ("qdev: Fix object reference leak in case device.realize()
fails"), so let's remove it now.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1506526106-30971-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-09-29 12:23:12 +02:00
Alexey Perevalov
d4083f50e0 linux-headers: sync against v4.14-rc1
Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com>
Message-Id: <1506085187-24259-2-git-send-email-a.perevalov@samsung.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-29 10:58:31 +02:00
Eduardo Habkost
65072c157e iothread: Make iothread_stop() idempotent
Currently, iothread_stop_all() makes all iothread objects unsafe
to be destroyed, because qemu_thread_join() ends up being called
twice.

To fix this, make iothread_stop() idempotent by checking
thread->stopped.

Fixes the following crash:

  qemu-system-x86_64 -object iothread,id=iothread0 -monitor stdio -display none
  QEMU 2.10.50 monitor - type 'help' for more information
  (qemu) quit
  qemu: qemu_thread_join: No such process
  Aborted (core dumped)

Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170926130028.12471-1-ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-29 10:56:56 +02:00
Eric Blake
cff3e8b8d6 scsi: Ignore executable for in-tree builds
The new qemu-pr-helper (commit b855f8d17) should not be checked in,
even when doing in-tree builds.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20170926151421.14557-1-eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-29 10:56:56 +02:00
Daniel P. Berrange
7364dbdabb ui: add tracing of VNC authentication process
Trace anything related to authentication in the VNC protocol
handshake

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170921121528.23935-3-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-09-29 10:36:34 +02:00
Daniel P. Berrange
ad6374c43e ui: add tracing of VNC operations related to QIOChannel
Trace anything which opens/closes/wraps a QIOChannel in the
VNC server.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170921121528.23935-2-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-09-29 10:36:33 +02:00
Gerd Hoffmann
f4924974c7 virtio-input: send rel-wheel events for wheel buttons
qemu uses wheel-up/down button events for mouse wheel input, however
linux applications typically want REL_WHEEL events.

This fixes wheel with linux guests. Tested with X11/wayland, and
windows virtio-input driver.

Based on a patch from Marc.
Added property to enable/disable wheel axis.

Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170926113243.26081-1-kraxel@redhat.com
2017-09-29 10:36:33 +02:00
Gerd Hoffmann
74083f9c01 egl: misc framebuffer helper improvements.
Rename the functions to to say "setup" instead of "create" because they
support being called multiple times on the same egl framebuffer.

Properly delete unused textures, update function interfaces to support
this.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170927115031.12063-1-kraxel@redhat.com
2017-09-29 10:36:33 +02:00
Gerd Hoffmann
e2f82e924d console: purge curses bits from console.h
Handle the translation from vga chars to curses chars in curses_update()
instead of console_write_ch().  Purge any curses support bits from
ui/console.h include file.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170927103811.19249-1-kraxel@redhat.com
2017-09-29 10:36:33 +02:00
Fam Zheng
36ac78e65a docker: Don't mount ccache db if NOUSER=1
With NOUSER=1 the container runs code as root, which may create
privileged files that will not be be accssible next time. Skip ccache
dir mount in this case.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170925075458.18047-1-famz@redhat.com>
Acked-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-09-29 11:14:15 +08:00
Fam Zheng
12b25a7d96 docker: test-block: Don't continue if build fails
Report error and exit upon compiling error, otherwise the iotests output
will be pure noise.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170926110134.2786-1-famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-09-29 11:14:15 +08:00
Alex Bennée
bcd7f06f57 tests/docker/run: don't source /etc/profile
The usual behaviour of /etc/profile is to set the default PATH for
users. This runs into problems when we have updated PATH in our
dockerfile e.g. to access a cross-compiler in a non-standard
location. It shouldn't be needed anyway as we inherit the env from the
image when it was setup.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
CC: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170926133622.14991-1-alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-09-29 11:14:15 +08:00
Fam Zheng
299d296ea9 docker: Fix test-mingw
Feature "dtc" is explicitly required by test-mingw, but is not detected
by the run script since we switched to archive-source.sh in b7f404201e.
Since it isn't available in the Fedora image which runs this test on
patchew, the way we get dtc is still from submodule.

archive-source.sh takes care of bundling the submodule files already, so
what we need to do is just checking if files are there. Makefile is
chosen because it is one that is unlikely to get renamed in the future.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170925082913.22089-1-famz@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-09-29 11:14:14 +08:00
Paolo Bonzini
6283847857 docker: add installation to build tests
Basic test that "make install" works; this requires msgfmt so add
gettext to the packages.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1506095371-23160-1-git-send-email-pbonzini@redhat.com>
[Rebase to master. - Fam]
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-09-29 11:14:14 +08:00
Peter Maydell
ab16152926 Migration pull 2017-09-27
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20170927a' into staging

Migration pull 2017-09-27

# gpg: Signature made Wed 27 Sep 2017 14:56:23 BST
# gpg:                using RSA key 0x0516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>"
# 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: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-migration-20170927a:
  migration: Route more error paths
  migration: Route errors up through vmstate_save
  migration: wire vmstate_save_state errors up to vmstate_subsection_save
  migration: Check field save returns
  migration: check pre_save return in vmstate_save_state
  migration: pre_save return int
  migration: disable auto-converge during bulk block migration

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-27 22:44:51 +01:00
Peter Maydell
1d89344081 ppc patch queue 2017-09-27
Contains
  * a number of Mac machine type fixes
  * a number of embedded machine type fixes (preliminary to adding the
    Sam460ex board)
  * a important fix for handling of migration with KVM PR
  * assorted other minor fixes and cleanups
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.11-20170927' into staging

ppc patch queue 2017-09-27

Contains
 * a number of Mac machine type fixes
 * a number of embedded machine type fixes (preliminary to adding the
   Sam460ex board)
 * a important fix for handling of migration with KVM PR
 * assorted other minor fixes and cleanups

# gpg: Signature made Wed 27 Sep 2017 08:40:48 BST
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.11-20170927: (26 commits)
  macio: use object link between MACIO_IDE and MAC_DBDMA object
  macio: pass channel into MACIOIDEState via qdev property
  mac_dbdma: remove DBDMA_init() function
  mac_dbdma: QOMify
  mac_dbdma: remove unused IO fields from DBDMAState
  spapr: fix the value of SDR1 in kvmppc_put_books_sregs()
  ppc/pnv: check for OPAL firmware file presence
  ppc: remove all unused CPU definitions
  ppc: remove unused CPU definitions
  spapr_pci: make index property mandatory
  macio: convert pmac_ide_ops from old_mmio
  ppc/pnv: Improve macro parenthesization
  spapr: introduce helpers to migrate HPT chunks and the end marker
  ppc/kvm: generalize the use of kvmppc_get_htab_fd()
  ppc/kvm: change kvmppc_get_htab_fd() to return -errno on error
  ppc: Fix OpenPIC model
  ppc/ide/macio: Add missing registers
  ppc/mac: More rework of the DBDMA emulation
  ppc/mac: Advertise a high clock frequency for NewWorld Macs
  ppc: QOMify g3beige machine
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-27 18:20:31 +01:00
Peter Maydell
cfe4cade05 Block layer patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches

# gpg: Signature made Tue 26 Sep 2017 14:52:32 BST
# gpg:                using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream: (24 commits)
  block/qcow2-bitmap: fix use of uninitialized pointer
  qemu-iotests: add shrinking image test
  qcow2: add shrink image support
  qcow2: add qcow2_cache_discard
  qemu-img: add --shrink flag for resize
  iotests: fix 181: enable postcopy-ram capability on target
  qemu-iotests: Test change-backing-file command
  block: Fix permissions after bdrv_reopen()
  block: reopen: Queue children after their parents
  block: Base permissions on rw state after reopen
  block: Add reopen queue to bdrv_check_perm()
  block: Add reopen_queue to bdrv_child_perm()
  qemu-io: Drop write permissions before read-only reopen
  block: Clean up some bad code in the vvfat driver
  block/throttle-groups.c: allocate RestartData on the heap
  throttle: Assert that bkt->max is valid in throttle_compute_wait()
  iotests: Print full path of bad output if mismatch
  iotests: use virtio aliases for 067
  iotests: use -ccw on s390x for 051
  iotests: use -ccw on s390x for 040, 139, and 182
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-27 16:48:39 +01:00
Peter Maydell
d666cacaea Another s390x compat fix that should make it into 2.10.1.
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170927' into staging

Another s390x compat fix that should make it into 2.10.1.

# gpg: Signature made Wed 27 Sep 2017 10:30:16 BST
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20170927:
  s390x/cpumodel: remove ais from z14 default model-> also for 2.10.1

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-27 15:59:35 +01:00
Dr. David Alan Gilbert
2f168d0708 migration: Route more error paths
vmstate_save_state is called in lots of places.
Route error returns from the easier cases back up;  there are lots
of more complex cases where their own error paths need fixing.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170925112917.21340-7-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Commit message fix up as Peter's review
2017-09-27 11:44:18 +01:00
Dr. David Alan Gilbert
687433f611 migration: Route errors up through vmstate_save
Route the errors from vsmtate_save_state back up through
vmstate_save and out to the normal device state path.
That's the normal error path done.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170925112917.21340-6-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-09-27 11:41:03 +01:00
Dr. David Alan Gilbert
f3cadd39c4 migration: wire vmstate_save_state errors up to vmstate_subsection_save
Route the errors from vmstate_save_state up through
vmstate_subsection_save (and back down, all rather recursive).

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170925112917.21340-5-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Commit message fixed up as per Peter's review
2017-09-27 11:38:21 +01:00
Dr. David Alan Gilbert
88b0faf185 migration: Check field save returns
Check the return values from vmstate_save_state for fields and also the
return values from 'put' for fields that use that.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170925112917.21340-4-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-09-27 11:37:11 +01:00
Dr. David Alan Gilbert
551dbd0846 migration: check pre_save return in vmstate_save_state
Check the return value of pre_save state and fail vmstate_save_state
if the pre_save failed.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170925112917.21340-3-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-09-27 11:36:31 +01:00
Dr. David Alan Gilbert
44b1ff319c migration: pre_save return int
Modify the pre_save method on VMStateDescription to return an int
rather than void so that it potentially can fail.

Changed zillions of devices to make them return 0; the only
case I've made it return non-0 is hw/intc/s390_flic_kvm.c that already
had an error_report/return case.

Note: If you add an error exit in your pre_save you must emit
an error_report to say why.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170925112917.21340-2-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-09-27 11:35:59 +01:00
Peter Lieven
9ac78b6171 migration: disable auto-converge during bulk block migration
auto-converge and block migration currently do not play well together.
During block migration the auto-converge logic detects that ram
migration makes no progress and thus throttles down the vm until
it nearly stalls completely. Avoid this by disabling the throttling
logic during the bulk phase of the block migration.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Lieven <pl@kamp.de>
Message-Id: <1506421996-12513-1-git-send-email-pl@kamp.de>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-09-27 11:27:14 +01:00
Christian Borntraeger
9dacc90846 s390x/cpumodel: remove ais from z14 default model-> also for 2.10.1
We disabled ais for 2.10, so let's also remove it from the z14
default model.

Fixes: 3f2d07b3b0 ("s390x/ais: for 2.10 stable: disable ais facility")
CC: qemu-stable@nongnu.org
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20170927072030.35737-2-borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2017-09-27 11:13:32 +02:00
Mark Cave-Ayland
e451b85f1b macio: use object link between MACIO_IDE and MAC_DBDMA object
Using a standard QOM object link we can pass a reference to the MAC_DBDMA
controller to the MACIO_IDE object which removes the last external parameter
to macio_ide_register_dma().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
Mark Cave-Ayland
0fc84331d6 macio: pass channel into MACIOIDEState via qdev property
One of the reasons macio_ide_register_dma() needs to exist is because the
channel id isn't passed into the MACIO_IDE object. Pass in the channel id
using a qdev property to remove this requirement.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
Mark Cave-Ayland
ecba28dbf2 mac_dbdma: remove DBDMA_init() function
Instead we can now instantiate the MAC_DBDMA object directly within the
macio device. We also add the DBDMA device as a child property so that
it is possible to retrieve later.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
Mark Cave-Ayland
1d27f351af mac_dbdma: QOMify
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
Mark Cave-Ayland
2bb4a98f90 mac_dbdma: remove unused IO fields from DBDMAState
These fields were used to manually handle IO requests that weren't aligned
to a sector boundary before this feature was supported by the block API.

Once the block API changed to support byte-aligned IO requests, the macio
controller was switched over to use it in commit be1e343 but these fields
were accidentally left behind. Remove them, including the initialisation
in DBDMA_init().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
Greg Kurz
1ec26c757d spapr: fix the value of SDR1 in kvmppc_put_books_sregs()
When running with KVM PR, if a new HPT is allocated we need to inform
KVM about the HPT address and size. This is currently done by hacking
the value of SDR1 and pushing it to KVM in several places.

Also, migration breaks the guest since it is very unlikely the HPT has
the same address in source and destination, but we push the incoming
value of SDR1 to KVM anyway.

This patch introduces a new virtual hypervisor hook so that the spapr
code can provide the correct value of SDR1 to be pushed to KVM each
time kvmppc_put_books_sregs() is called.

It allows to get rid of all the hacking in the spapr/kvmppc code and
it fixes migration of nested KVM PR.

Suggested-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
Cédric Le Goater
15fcedb26f ppc/pnv: check for OPAL firmware file presence
and exit before uselessly trying to load it if the file does not
exists.

Issue discovered by Coverity Scan.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
John Snow
5aec066c41 ppc: remove all unused CPU definitions
Remove *all* unused CPU definitions as indicated by compile-time
`#if 0` constructs.

Signed-off-by: John Snow <jsnow@redhat.com>
[dwg: Removed some additional now-useless comments]
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00
John Snow
53a04e8e79 ppc: remove unused CPU definitions
Following commit aef77960, remove now-unused definitions from
cpu-models.h.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-27 13:05:41 +10:00