Commit Graph

72619 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
d93884e89b mc146818rtc: Include mc146818rtc_regs.h directly in mc146818rtc.c
Devices/boards wanting to use the MC146818 RTC don't need
the knowledge its internal registers. Move the "mc146818rtc_regs.h"
inclusion to mc146818rtc.c where it is required.

We can not move this file from include/hw/timer/ to hw/timer/ for
local inclusion because the ACPI FADT table use the RTC_CENTURY
register address.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191018133547.10936-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2019-10-24 14:24:55 +02:00
Philippe Mathieu-Daudé
d578f7dfb4 mc146818rtc: Move RTC_ISA_IRQ definition
The ISA default number for the RTC devices is not related to its
registers neither. Move this definition to "hw/timer/mc146818rtc.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191018133547.10936-3-philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2019-10-24 14:24:55 +02:00
Hervé Poussineau
53e4b8018e mc146818rtc: move structure to header file
We are now able to embed a timer in another object.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-Id: <20171216090228.28505-4-hpoussin@reactos.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191018133547.10936-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-24 14:24:54 +02:00
Philippe Mathieu-Daudé
b4de58a4e1 hw/i386/pc: Remove kvm_i386.h include
By extracting pc_gsi_create() and pc_i8259_create() we removed
the access to "kvm_i386.h" from the machine code. We can now
remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191015162705.28087-25-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-24 14:24:54 +02:00
Philippe Mathieu-Daudé
4501d317b5 hw/i386/pc: Extract pc_i8259_create()
The i8259 creation code is common to all PC machines, extract the
common code.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191018135910.24286-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-24 14:24:54 +02:00
Philippe Mathieu-Daudé
b00c6f18a6 hw/i386/pc: Move gsi_state creation code
The code block related to IRQ starts few lines later. Move
the comment and the pc_gsi_create() invocation where we start
to use the IRQs.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191018135910.24286-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-24 14:24:54 +02:00
Philippe Mathieu-Daudé
417258f139 hw/i386/pc: Extract pc_gsi_create()
The GSI creation code is common to all PC machines, extract the
common code.

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191018135910.24286-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-24 14:24:34 +02:00
Tao Xu
6508799707 target/i386: Add support for save/load IA32_UMWAIT_CONTROL MSR
UMWAIT and TPAUSE instructions use 32bits IA32_UMWAIT_CONTROL at MSR
index E1H to determines the maximum time in TSC-quanta that the processor
can reside in either C0.1 or C0.2.

This patch is to Add support for save/load IA32_UMWAIT_CONTROL MSR in
guest.

Co-developed-by: Jingqi Liu <jingqi.liu@intel.com>
Signed-off-by: Jingqi Liu <jingqi.liu@intel.com>
Signed-off-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <20191011074103.30393-3-tao3.xu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-23 17:50:27 +02:00
Tao Xu
67192a298f x86/cpu: Add support for UMONITOR/UMWAIT/TPAUSE
UMONITOR, UMWAIT and TPAUSE are a set of user wait instructions.
This patch adds support for user wait instructions in KVM. Availability
of the user wait instructions is indicated by the presence of the CPUID
feature flag WAITPKG CPUID.0x07.0x0:ECX[5]. User wait instructions may
be executed at any privilege level, and use IA32_UMWAIT_CONTROL MSR to
set the maximum time.

The patch enable the umonitor, umwait and tpause features in KVM.
Because umwait and tpause can put a (psysical) CPU into a power saving
state, by default we dont't expose it to kvm and enable it only when
guest CPUID has it. And use QEMU command-line "-overcommit cpu-pm=on"
(enable_cpu_pm is enabled), a VM can use UMONITOR, UMWAIT and TPAUSE
instructions. If the instruction causes a delay, the amount of time
delayed is called here the physical delay. The physical delay is first
computed by determining the virtual delay (the time to delay relative to
the VM’s timestamp counter). Otherwise, UMONITOR, UMWAIT and TPAUSE cause
an invalid-opcode exception(#UD).

The release document ref below link:
https://software.intel.com/sites/default/files/\
managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf

Co-developed-by: Jingqi Liu <jingqi.liu@intel.com>
Signed-off-by: Jingqi Liu <jingqi.liu@intel.com>
Signed-off-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <20191011074103.30393-2-tao3.xu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-23 17:50:27 +02:00
Philippe Mathieu-Daudé
3c13c4be22 hw/timer/mc146818rtc: Only include qapi-commands-misc on I386
Commit a6c7040fb0 restricted the rtc-reset-reinjection command
to the I386 target.
Restrict the "qapi/qapi-commands-misc-target.h" header to it too.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191017162614.21327-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-23 17:50:27 +02:00
Laurent Vivier
1bd71dce4b runstate: ignore exit request in finish migrate state
Trying to reboot a VM while a migration is running can
move to the prelaunch state (because of the reset) while
the runstate is in finish migrate state.
As the logical step after the finish migrate is postmigrate,
this can create an invalid state transition from prelaunch state
to postmigrate state and this raises an error and aborts:

    invalid runstate transition: 'prelaunch' -> 'postmigrate'

As we are not able to manage reset in finish migrate state the
best we can do is to ignore any changes and delay them until
the next state which should be postmigrate and which should allow
this kind of transition.

Reported-by: Lukáš Doktor <ldoktor@redhat.com>
Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20191017101806.3644-1-lvivier@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-23 17:50:27 +02:00
Wei Yang
e31db8aabe checkpatch: suggest qemu_real_host_page_size instead of getpagesize() or sysconf(_SC_PAGESIZE)
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
CC: Richard Henderson <richard.henderson@linaro.org>
CC: Stefan Hajnoczi <stefanha@redhat.com>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20191017004633.13229-1-richardw.yang@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-23 17:50:27 +02:00
Sergio Lopez
5cb48f05dd MAINTAINERS: add microvm related files
Add a new "microvm" section under "X86 Machines" with the new files
related to this machine type.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-10-22 09:39:54 +02:00
Sergio Lopez
0ebf007dda hw/i386: Introduce the microvm machine type
microvm is a machine type inspired by Firecracker and constructed
after its machine model.

It's a minimalist machine type without PCI nor ACPI support, designed
for short-lived guests. microvm also establishes a baseline for
benchmarking and optimizing both QEMU and guest operating systems,
since it is optimized for both boot time and footprint.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:39:54 +02:00
Sergio Lopez
e00803aab4 docs/microvm.rst: document the new microvm machine type
Document the new microvm machine type.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-10-22 09:39:54 +02:00
Sergio Lopez
0d5fae3e52 roms: add microvm-bios (qboot) as binary and git submodule
qboot is a minimalist x86 firmware for booting Linux kernels. It does
the mininum amount of work required for the task, and it's able to
boot both PVH images and bzImages without relying on option roms.

This characteristics make it an ideal companion for the microvm
machine type.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:39:54 +02:00
Sergio Lopez
78cafff810 hw/intc/apic: reject pic ints if isa_pic == NULL
In apic_accept_pic_intr(), reject PIC interruptions if a i8259 PIC has
not been instantiated (isa_pic == NULL).

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:39:54 +02:00
Sergio Lopez
e5f6aa319f fw_cfg: add "modify" functions for all types
This allows to alter the contents of an already added item.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-10-22 09:39:54 +02:00
Sergio Lopez
703a548aa9 hw/i386: make x86.c independent from PCMachineState
As a last step into splitting PCMachineState and deriving
X86MachineState from it, make the functions previously extracted from
pc.c to x86.c independent from PCMachineState, using X86MachineState
instead.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:39:54 +02:00
Paolo Bonzini
f0bb276bf8 hw/i386: split PCMachineState deriving X86MachineState from it
Split up PCMachineState and PCMachineClass and derive X86MachineState
and X86MachineClass from them. This allows sharing code with non-PC
x86 machine types.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:39:50 +02:00
Sergio Lopez
549e984e67 hw/i386/pc: move shared x86 functions to x86.c and export them
Move x86 functions that will be shared between PC and non-PC machine
types to x86.c, along with their helpers.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:38:42 +02:00
Sergio Lopez
86a9a7916b hw/i386/pc: remove commented out code from x86_load_linux()
Follow checkpatch.pl recommendation and remove commented out code from
x86_load_linux().

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-10-22 09:38:42 +02:00
Sergio Lopez
350f5233d7 hw/i386/pc: avoid an assignment in if condition in x86_load_linux()
Follow checkpatch.pl recommendation and avoid an assignment in if
condition in x86_load_linux().

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-10-22 09:38:42 +02:00
Sergio Lopez
133ef074bd hw/i386/pc: replace use of strtol with qemu_strtoui in x86_load_linux()
Follow checkpatch.pl recommendation and replace the use of strtol with
qemu_strtoui in x86_load_linux().

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-10-22 09:38:42 +02:00
Sergio Lopez
62a188546f hw/i386/pc: fix code style issues on functions that will be moved out
Fix code style issues detected by checkpatch.pl on functions that will
be moved out to x86.c.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-10-22 09:38:42 +02:00
Sergio Lopez
81ef68e44c hw/i386/pc: rename functions shared with non-PC machines
The following functions are named *pc* but are not PC-machine specific
but generic to the X86 architecture, rename them:

  load_linux                 -> x86_load_linux
  pc_new_cpu                 -> x86_new_cpu
  pc_cpus_init               -> x86_cpus_init
  pc_cpu_index_to_props      -> x86_cpu_index_to_props
  pc_get_default_cpu_node_id -> x86_get_default_cpu_node_id
  pc_possible_cpu_arch_ids   -> x86_possible_cpu_arch_ids
  old_pc_system_rom_init     -> x86_system_rom_init

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:38:42 +02:00
Sergio Lopez
bca964bcea hw/virtio: Factorize virtio-mmio headers
Put QOM and main struct definition in a separate header file, so it
can be accessed from other components.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-22 09:38:42 +02:00
Paolo Bonzini
7320c8b4ae memory-device: simplify Makefile.objs conditions
hw/mem/ is only included if CONFIG_MEM_DEVICE is true, so we need not
specify the condition again in hw/mem/Makefile.objs.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22 09:38:42 +02:00
Thomas Huth
372a87a1d9 Do not use %m in common code to print error messages
The %m format specifier is an extension from glibc - and when compiling
QEMU for NetBSD, the compiler correctly complains, e.g.:

/home/qemu/qemu-test.ELjfrQ/src/util/main-loop.c: In function 'sigfd_handler':
/home/qemu/qemu-test.ELjfrQ/src/util/main-loop.c:64:13: warning: %m is only
 allowed in syslog(3) like functions [-Wformat=]
             printf("read from sigfd returned %zd: %m\n", len);
             ^
Let's use g_strerror() here instead, which is an easy-to-use wrapper
around the thread-safe strerror_r() function.

While we're at it, also convert the "printf()" in main-loop.c into
the preferred "error_report()".

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191018130716.25438-1-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22 09:38:42 +02:00
Vitaly Kuznetsov
30d6ff662d i386/kvm: add NoNonArchitecturalCoreSharing Hyper-V enlightenment
Hyper-V TLFS specifies this enlightenment as:
"NoNonArchitecturalCoreSharing - Indicates that a virtual processor will never
share a physical core with another virtual processor, except for virtual
processors that are reported as sibling SMT threads. This can be used as an
optimization to avoid the performance overhead of STIBP".

However, STIBP is not the only implication. It was found that Hyper-V on
KVM doesn't pass MD_CLEAR bit to its guests if it doesn't see
NoNonArchitecturalCoreSharing bit.

KVM reports NoNonArchitecturalCoreSharing in KVM_GET_SUPPORTED_HV_CPUID to
indicate that SMT on the host is impossible (not supported of forcefully
disabled).

Implement NoNonArchitecturalCoreSharing support in QEMU as tristate:
'off' - the feature is disabled (default)
'on' - the feature is enabled. This is only safe if vCPUS are properly
 pinned and correct topology is exposed. As CPU pinning is done outside
 of QEMU the enablement decision will be made on a higher level.
'auto' - copy KVM setting. As during live migration SMT settings on the
source and destination host may differ this requires us to add a migration
blocker.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20191018163908.10246-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22 09:38:42 +02:00
Alexander Shopov
f173374970 Updated Bulgarian translation (19) - 4.1.0
Signed-off-by: Alexander Shopov <ash@kambanaria.org>
Message-Id: <20191019120534.27479-2-ash@kambanaria.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22 09:38:42 +02:00
Marcelo Tosatti
b429de7301 mc146818rtc: fix timer interrupt reinjection
commit 369b41359a broke timer interrupt
reinjection when there is no period change by the guest.

In that case, old_period is 0, which ends up zeroing irq_coalesced
(counter of reinjected interrupts).

The consequence is Windows 7 is unable to synchronize time via NTP.
Easily reproducible by playing a fullscreen video with cirrus and VNC.

Fix by not updating s->irq_coalesced when old_period is 0.

V2: reorganize code (Paolo Bonzini)

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Message-Id: <20191010123008.GA19158@amt.cnet>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22 09:38:38 +02:00
Mario Smarduch
73284563dc target/i386: log MCE guest and host addresses
Patch logs MCE AO, AR messages injected to guest or taken by QEMU itself.
We print the QEMU address for guest MCEs, helps on hypervisors that have
another source of MCE logging like mce log, and when they go missing.

For example we found these QEMU logs:

September 26th 2019, 17:36:02.309        Droplet-153258224: Guest MCE Memory Error at qemu addr 0x7f8ce14f5000 and guest 3d6f5000 addr of type BUS_MCEERR_AR injected   qemu-system-x86_64      amsN    ams3nodeNNNN

September 27th 2019, 06:25:03.234        Droplet-153258224: Guest MCE Memory Error at qemu addr 0x7f8ce14f5000 and guest 3d6f5000 addr of type BUS_MCEERR_AR injected   qemu-system-x86_64      amsN    ams3nodeNNNN

The first log had a corresponding mce log entry, the second didnt (logging
thresholds) we can infer from second entry same PA and mce type.

Signed-off-by: Mario Smarduch <msmarduch@digitalocean.com>
Message-Id: <20191009164459.8209-3-msmarduch@digitalocean.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22 09:38:38 +02:00
Peter Maydell
e9d4246192 audio: bugfixes, pa connection and stream naming.
audio: 5.1/7.1 support for alsa, pa and usb-audio.
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20191018-pull-request' into staging

audio: bugfixes, pa connection and stream naming.
audio: 5.1/7.1 support for alsa, pa and usb-audio.

# gpg: Signature made Fri 18 Oct 2019 08:41:26 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/audio-20191018-pull-request:
  paaudio: fix channel order for usb-audio 5.1 and 7.1 streams
  usbaudio: change playback counters to 64 bit
  usb-audio: support more than two channels of audio
  usb-audio: do not count on avail bytes actually available
  audio: basic support for multichannel audio
  audio: replace shift in audio_pcm_info with bytes_per_frame
  audio: support more than two channels in volume setting
  paaudio: get/put_buffer functions
  audio: make mixeng optional
  audio: add mixing-engine option (documentation)
  audio: paaudio: ability to specify stream name
  audio: paaudio: fix connection and stream name
  audio: fix parameter dereference before NULL check

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-10-18 14:13:11 +01:00
Peter Maydell
ca32646d41 pull request
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Merge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into staging

pull request

# gpg: Signature made Thu 17 Oct 2019 22:54:14 BST
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jnsnow/tags/bitmaps-pull-request:
  dirty-bitmaps: remove deprecated autoload parameter
  MAINTAINERS: Add Vladimir as a reviewer for bitmaps
  qcow2-bitmap: move bitmap reopen-rw code to qcow2_reopen_commit
  block/qcow2-bitmap: fix and improve qcow2_reopen_bitmaps_rw
  iotests: add test 260 to check bitmap life after snapshot + commit
  block/qcow2-bitmap: do not remove bitmaps on reopen-ro
  block/qcow2-bitmap: drop qcow2_reopen_bitmaps_rw_hint()
  block/qcow2-bitmap: get rid of bdrv_has_changed_persistent_bitmaps
  iotests: add test-case to 165 to test reopening qcow2 bitmaps to RW
  block: reverse order for reopen commits
  block: switch reopen queue from QSIMPLEQ to QTAILQ
  block/dirty-bitmap: refactor bdrv_dirty_bitmap_next
  block/dirty-bitmap: drop BdrvDirtyBitmap.mutex
  block/dirty-bitmap: add bs link
  block/dirty-bitmap: drop meta
  block/qcow2: proper locking on bitmap add/remove paths
  block/dirty-bitmap: return int from bdrv_remove_persistent_dirty_bitmap
  block: move bdrv_can_store_new_dirty_bitmap to block/dirty-bitmap.c
  util/hbitmap: strict hbitmap_reset

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-10-18 12:53:52 +01:00
Peter Maydell
51cd65b18f ui: bugfixes for cocoa, curses and input-barrier.
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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20191018-pull-request' into staging

ui: bugfixes for cocoa, curses and input-barrier.

# gpg: Signature made Fri 18 Oct 2019 11:16:53 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20191018-pull-request:
  ui: fix keymap file search in input-barrier object
  curses: correctly pass the color pair to setcchar()
  curses: use the bit mask constants provided by curses
  ui: Fix hanging up Cocoa display on macOS 10.15 (Catalina)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-10-18 11:52:05 +01:00
Laurent Vivier
707f75070a ui: fix keymap file search in input-barrier object
If we try to start QEMU with "-k en-us", qemu prints a message and exits
with:

    qemu-system-i386: could not read keymap file: 'en-us'

It's because this function is called way too early, before
qemu_add_data_dir() is called, and so qemu_find_file() fails.

To fix that, move init_keyboard_layout() from the class init function to the
instance init function.

Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-id: 20190923220658.27007-1-laurent@vivier.eu
Fixes: 6105683da3 ("ui: add an embedded Barrier client")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 10:40:46 +02:00
Matthew Kilgore
30f5a9dd7a curses: correctly pass the color pair to setcchar()
The current code does not correctly pass the color pair information to
setcchar(), it instead always passes zero. This results in the curses
output always being in white on black.

This patch fixes this by using PAIR_NUMBER() to retrieve the color pair
number from the chtype value, and then passes that value as an argument
to setcchar().

Signed-off-by: Matthew Kilgore <mattkilgore12@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20191004035338.25601-3-mattkilgore12@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 10:39:12 +02:00
Matthew Kilgore
cd54ea456d curses: use the bit mask constants provided by curses
The curses API provides the A_ATTRIBUTES and A_CHARTEXT bit masks for
getting the attributes and character parts of a chtype, respectively. We
should use provided constants instead of using 0xff.

Signed-off-by: Matthew Kilgore <mattkilgore12@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20191004035338.25601-2-mattkilgore12@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 10:39:12 +02:00
Hikaru Nishida
dff742ad27 ui: Fix hanging up Cocoa display on macOS 10.15 (Catalina)
macOS API documentation says that before applicationDidFinishLaunching
is called, any events will not be processed. However, some events are
fired before it is called in macOS Catalina. This causes deadlock of
iothread_lock in handleEvent while it will be released after the
app_started_sem is posted.
This patch avoids processing events before the app_started_sem is
posted to prevent this deadlock.

Buglink: https://bugs.launchpad.net/qemu/+bug/1847906
Signed-off-by: Hikaru Nishida <hikarupsp@gmail.com>
Message-id: 20191015010734.85229-1-hikarupsp@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 10:35:31 +02:00
Kővágó, Zoltán
0cf13e367a paaudio: fix channel order for usb-audio 5.1 and 7.1 streams
Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 2900e462d27bd73277ae083d037c32b1b4451ee2.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
670777a915 usbaudio: change playback counters to 64 bit
With stereo playback, they need about 375 minutes of continuous audio
playback to overflow, which is usually not a problem (as stopping and
later resuming playback resets the counters).  But with 7.1 audio, they
only need about 95 minutes to overflow.

After the overflow, the buf->prod % USBAUDIO_PACKET_SIZE(channels)
assertion no longer holds true, which will result in overflowing the
buffer.  With 64 bit variables, it would take about 762000 years to
overflow.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: ff866985ed369f1e18ea7c70da6a7fce8e241deb.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
3e44607e93 usb-audio: support more than two channels of audio
This commit adds support for 5.1 and 7.1 audio playback.  This commit
adds a new property to usb-audio:

* multi=on|off
  Whether to enable the 5.1 and 7.1 audio support.  When off (default)
  it continues to emulate the old stereo-only device.  When on, it
  emulates a slightly different audio device that supports 5.1 and 7.1
  audio.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 98e96606228afa907fa238eac26573d5af63434a.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
2c6a740f6b usb-audio: do not count on avail bytes actually available
This assumption is no longer true when mixeng is turned off.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: d63f4d39a0ee7a2e4e7e4a2eb005ba79120eaf1d.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
b5c7db3eef audio: basic support for multichannel audio
Which currently only means removing some checks.  Old code won't require
more than two channels, but new code will need it.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 7e53be1f97e939ed3bb729ef39e76b775643118a.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
2b9cce8c8c audio: replace shift in audio_pcm_info with bytes_per_frame
The bit shifting trick worked because the number of bytes per frame was
always a power-of-two (since QEMU only supports mono, stereo and 8, 16
and 32 bit samples).  But if we want to add support for surround sound,
this no longer holds true.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 1351fd9bcce0ff20d81850c5292722194329de02.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
cecc1e79bf audio: support more than two channels in volume setting
Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 5d3dd2ee3baaa62805e79c3901abb7415ae32461.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
337e8de6fb paaudio: get/put_buffer functions
This lets us avoid some buffer copying when using mixeng.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: d03d30138b9b5a9681cc90cbfbfec0a197cac88c.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
1930616b98 audio: make mixeng optional
Implementation of the previously added mixing-engine option.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: c05bc258889ed289e8ee1bdbcc5e84174ec221e7.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00
Kővágó, Zoltán
8efac073a5 audio: add mixing-engine option (documentation)
This will allow us to disable mixeng when we use a decent backend.

Disabling mixeng have a few advantages:
* we no longer convert the audio output from one format to another, when
  the underlying audio system would just convert it to a third format.
  We no longer convert, only the underlying system, when needed.
* the underlying system probably has better resampling and sample format
  converting methods anyway...
* we may support formats that the mixeng currently does not support (S24
  or float samples, more than two channels)
* when using an audio server (like pulseaudio) different sound card
  outputs will show up as separate streams, even if we use only one
  backend

Disadvantages:
* audio capturing no longer works (wavcapture, and vnc audio extension)
* some backends only support a single playback stream or very picky
  about the audio format.  In this case we can't disable mixeng.

Originally thw two main use cases of the disabled option was: using
unsupported audio formats (5.1 and 7.1 audio) and having different
pulseaudio streams per audio frontend.  Since we can have multiple
-audiodevs, the latter is not that important, so currently you only need
this option if you want to use 5.1 or 7.1 audio (implemented in a later
patch), otherwise it's probably better to stick to the old and tried
mixeng, since it's less picky about the backends.

The ideal solution would be to port as much as possible to gstreamer,
but this is currently out of scope:
https://wiki.qemu.org/Internships/ProjectIdeas/AudioGStreamer

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 5765186a7aadd51a72bc7d3e804307f0ee8a34ce.1570996490.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-10-18 08:14:05 +02:00