sys/types.h is taken out from "ifdef __OpenBSD__" guard. It should be
safe for other systems, according to following survey:
http://hacks.owlfolio.org/header-survey/
This fixes build for CONFIG_IOVEC-less systems (mingw).
Signed-off-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This changes the model number of 486 to 8 (DX4) which matches the
feature set presented, and actually has the CPUID instruction.
This adds a compatibility property, to keep model=0 on pc-*-1.4 and older.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
[AF: Add compat_props entry]
Tested-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reuse it in qdev_prop_set_globals().
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
[AF: Renamed from qdev_prop_set_custom_globals()]
Signed-off-by: Andreas Färber <afaerber@suse.de>
The bus name is wrong since the refactoring.
This keeps the behaviour of the command line.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1367330931-12994-6-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This adds the possibility to create a scsi-bus with a specified name.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1367330931-12994-4-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add virtio_device_set_child_bus_name function.
It will be used with virtio-serial-x and virtio-scsi-x to set the
child bus name before calling virtio-x-device's init.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1367330931-12994-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The Linux nbd driver recently increased the maximum supported request
size up to 32 MB:
commit 078be02b80359a541928c899c2631f39628f56df
Author: Michal Belczyk <belczyk@bsd.krakow.pl>
Date: Tue Apr 30 15:28:28 2013 -0700
nbd: increase default and max request sizes
Raise the default max request size for nbd to 128KB (from 127KB) to get it
4KB aligned. This patch also allows the max request size to be increased
(via /sys/block/nbd<x>/queue/max_sectors_kb) to 32MB.
QEMU's 1 MB buffers are too small to handle these requests.
This patch allocates data buffers dynamically and allows up to 32 MB per
request.
Reported-by: Nick Thomas <nick@bytemark.co.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This adds the Castagnoli CRC32C algorithm, using the 0x11EDC6F41
polynomial.
This is extracted from the linux kernel cryptographic crc32.c module.
The algorithm is based on:
Castagnoli93: Guy Castagnoli and Stefan Braeuer and Martin Herrman
"Optimization of Cyclic Redundancy-Check Codes with 24
and 32 Parity Bits", IEEE Transactions on Communication,
Volume 41, Number 6, June 1993
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
# By Igor Mammedov (21) and others
# Via Andreas Färber
* afaerber/qom-cpu: (29 commits)
Drop redundant resume_all_vcpus() from main()
cpus: Fix pausing TCG CPUs while in vCPU thread
target-i386: Replace cpuid_*features fields with a feature word array
target-i386: Break CPUID feature definition lines
target-i386/kvm.c: Code formatting changes
target-i386: Group together level, xlevel, xlevel2 fields
pc: Implement QEMUMachine::hot_add_cpu hook
QMP: Add cpu-add command
Add hot_add_cpu hook to QEMUMachine
target-i386: Move APIC to ICC bus
target-i386: Attach ICC bus to CPU on its creation
target-i386: Introduce ICC bus/device/bridge
cpu: Move cpu_write_elfXX_note() functions to CPUState
kvmvapic: Make dependency on sysbus.h explicit
target-i386: Replace MSI_SPACE_SIZE with APIC_SPACE_SIZE
target-i386: Do not allow to set apic-id once CPU is realized
target-i386: Introduce apic-id CPU property
target-i386: Introduce feat2prop() for CPU properties
acpi_piix4: Add infrastructure to send CPU hot-plug GPE to guest
cpu: Add helper cpu_exists(), to check if CPU with specified id exists
...
similiar -> similar
recieve -> receive
transfered -> transferred
preperation -> preparation
Most changes are in comments, one modifies a parameter name in a function
prototype.
The spelling fixes were made using codespell.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Hook should be set by machines that implement CPU hot-add
via cpu-add QMP command.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
It allows APIC to be hotplugged.
* map APIC's mmio at board level if it is present
* do not register mmio region for each APIC, since
only one is used/mapped
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
X86CPU should have parent bus so it could provide bus for child APIC.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Provides a hotpluggable bus for APIC and CPU.
* icc-bridge will serve as a parent for icc-bus and provide
mmio mapping services to child icc-devices.
* icc-device will replace SysBusDevice as a parent of APIC
and IOAPIC devices.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Put APIC_SPACE_SIZE in a public header so that it can be
reused elsewhere later.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Wrapper to avoid open-coded loops and to make CPUState iteration
independent of CPUArchState.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
get_arch_id() adds possibility for generic code to get a guest-visible
CPU ID without accessing CPUArchState.
If derived classes don't override it, it will return cpu_index.
Override it on target-i386 in X86CPU to return the APIC ID.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: liguang <lig.fnst@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
It provides updated currently available CPUs count to BIOS on reboot.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Hot-add CPU event will be distributed to acpi_piix4 and rtc_cmos.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Also add a stub for it, to make possible to use it in qom/cpu.c,
which is shared with user emulators.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
If hotplugged, synchronize CPU state to KVM.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
It will provide stubs for *-user targets once softmmu-specific calls
are attempted from common CPU code.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
No user in sight.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-id: 20130430094149.GA29094@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
If fw_cfg.h is included alone, gcc gives error messages like these:
error: unknown type name ‘uint32_t’
error: unknown type name ‘size_t’
error: unknown type name ‘hwaddr’
...
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: d63f8bcdbfbec8135b1b57f9247c513a3e25762c.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This event will be emited when qemu detects guest panic.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: cf0bc45ecf9ecd3699bc72dc39f8cbab8ed79d8c.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The guest will be in this state when it is panicked.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 0255f263ffdc2a3716f73e89098b96fd79a235b3.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Several targets can have wavcapture/-soundhw support via PCI cards.
HAS_AUDIO is a useless limitation, remove it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1366303444-24620-4-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-16-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-14-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-9-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Eliminate DO_UPCAST() for PICCommonState. Prepares for ISA realizefn.
Also give the i8259_common type registration functions unique names
while at it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-6-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Reuse type constant for PC machine compatibility settings.
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-4-git-send-email-afaerber@suse.de
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Paolo Bonzini
# Via Paolo Bonzini
* bonzini/migration-writev:
win32: add readv/writev emulation
win32: generate console executable again
win32: move Makefile dependencies on version-obj-y to rules.mak
win32: add generic RC rules to rules.mak
Message-id: 1367230284-24612-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Commit e9d8fbf (qemu-file: do not use stdio for qemu_fdopen, 2013-03-27)
introduced a usage of writev, which mingw32 does not have. Even though
qemu_fdopen itself is not used on mingw32, the future-proof solution is
to add an implementation of it. This is simple and similar to how we
emulate sendmsg/recvmsg in util/iov.c.
Some files include osdep.h without qemu-common.h, so move the definition
of iovec to osdep.h too, and include osdep.h from qemu-common.h
unconditionally (protection against including files when NEED_CPU_H is
defined is not needed since the removal of AREG0).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move the slow path out of line, as the TODO's mention.
This allows the fast path to be unconditional, which can
speed up the fast path as well, depending on the core.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Instead of manually parsing the boot_list as character stream,
we can access the nth boot device, specified by the position in the
boot order.
Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
sys/param.h was included to define __FreeBSD_version, but the conditional
using it was removed by commit d05ef16045
(Brad Smith, "Allow clock_gettime() monotonic clock to be utilized on more
OS's"), so the include is no longer needed here.
Signed-off-by: Ed Maste <emaste@freebsd.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1366906631-2680-1-git-send-email-emaste@freebsd.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Use of a flash memory device for the BIOS was added in series "[PATCH
v10 0/8] PC system flash support", commit 4732dca..1b89faf, v1.1.
Flash vs. ROM is a guest-visible difference. Thus, flash use had to
be suppressed for machine types pc-1.0 and older. This was
accomplished by adding a dummy device "pc-sysfw" with property
"rom_only":
* Non-zero rom_only means "use ROM". Default for pc-1.0 and older.
* Zero rom_only means "maybe use flash". Default for newer machines.
Not only is the dummy device ugly, it was also retroactively added to
the older machine types! Fortunately, it's not guest-visible (thus no
immediate guest ABI breakage), and has no vmstate (thus no immediate
migration breakage). Breakage occurs only if the user unwisely
enables flash by setting rom_only to zero. Patch review FAIL #1.
Why "maybe use flash"? Flash didn't (and still doesn't) work with
KVM. Therefore, rom_only=0 really means "use flash, except when KVM
is enabled, use ROM". This is a Bad Idea, because it makes enabling/
disabling KVM guest-visible. Patch review FAIL #2.
Aside: it also precludes migrating between KVM on and off, but that's
not possible for other reasons anyway.
Fix as follows:
1. Change the meaning of rom_only=0 to mean "use flash, no ifs, buts,
or maybes" for pc-i440fx-1.5 and pc-q35-1.5. Don't change anything
for older machines (to remain bug-compatible).
2. Change the default value from 0 to 1 for these machines.
Necessary, because 0 doesn't work with KVM. Once it does, we can flip
the default back to 0.
3. Don't revert the retroactive addition of device "pc-sysfw" to older
machine types. Seems not worth the trouble.
4. Add a TODO comment asking for device "pc-sysfw" to be dropped once
flash works with KVM.
Net effect is that you get a BIOS ROM again even when KVM is disabled,
just like for machines predating the introduction of flash.
To get flash instead, use "--global pc-sysfw.rom_only=0".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1365780303-26398-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Alon Levy (15) and others
# Via Alon Levy
* alon/libcacard_ccid.1: (28 commits)
libcacard/cac: change big switch functions to single return point
dev-smartcard-reader: empty implementation for Mechanical (fail correctly)
libcacard: move atr setting from macro to function
libcacard/vreader: add debugging messages for apdu
dev-smartcard-reader: copy atr protocol to ccid parameters
dev-smartcard-reader: change default protocol to T=0
dev-smartcard-reader: define structs for CCID_Parameter internals
ccid-card-passthru, dev-smartcard-reader: add debug environment variables
ccid-card-passthru: add atr check
libcacard: change default ATR
dev-smartcard-reader: reuse usb.h definitions
dev-smartcard-reader: support windows guest
dev-smartcard-reader: remove aborts (never triggered, but just in case)
dev-smartcard-reader: nicer debug messages
dev-smartcard-reader: white space fixes
libcacard: remove default libcoolkey loading
libcacard: remove sql: prefix
libcacard: teach vscclient to use GMainLoop for portability
libcacard: vscclient to use QemuThread for portability
libcacard: split vscclient main() from socket reading
...
Message-id: 921423767.1475937.1366790789930.JavaMail.root@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This clean the init and the exit functions and rename virtio_common_cleanup
to virtio_cleanup.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This remove virtio-bindings, and use class instead.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-6-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This remove the function pointer in VirtIODevice, and use only
VirtioDeviceClass function pointer.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-5-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This add two functions:
* virtio_bus_set_vdev_config.
* virtio_bus_set_vdev_feature.
Needed by virtio-ccw.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
As the virtio-rng-pci, virtio-rng-s390 and virtio-rng-ccw are
switched to the new API, we can use QOM casts.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-9-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The qdev field is no longer needed, just drop it.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-8-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This remove old init and exit function as they are no longer needed.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Create virtio-rng-device which extends virtio-device, so it can be connected on
virtio-bus.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The configuration field must not be a pointer as it will be used for
virtio-rng properties. So *conf is replaced by conf.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add a linked list of keyboard handlers. Added handlers will go
to the head of the list. Removed handlers will be zapped from
the list. The head of the list will be used for events.
This fixes the keyboard-dead-after-usb-kbd-unplug issue, key events
will be re-routed to the ps/2 kbd instead of being discarded.
[ v2: fix cut+paste bug found my Markus ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1366798118-3248-3-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
There is no need for anybody outside ui/input.c to access the
struct elements. Move the definitions, leaving only the typedefs
in the header files.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1366798118-3248-2-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduces a new utility function: parse_debug_env to avoid code
duplication.
This overrides whatever debug value is set on the corresponding devices
from the command line, and is meant to ease the usage with any
management stack. For libvirt you can set environment variables by
extending the dom namespace, i.e:
<domain type='kvm' id='3' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
<qemu:commandline>
<qemu:env name='QEMU_CCID_PASSTHRU_DEBUG' value='4'/>
<qemu:env name='QEMU_CCID_DEBUG' value='4'/>
</qemu:commandline>
</domain>
Signed-off-by: Alon Levy <alevy@redhat.com>
Reviewed-by: Marc-André Lureau <mlureau@redhat.com>
Move the TPM passthrough specific command line options to the passthrough
backend implementation and attach them to the backend's interface structure.
Add code to tpm.c for validating the TPM command line options.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Corey Bryan <coreyb@linux.vnet.ibm.com>
Message-id: 1366641699-21420-1-git-send-email-stefanb@linux.vnet.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
In certain scenario, latency induced by paging is significant and
memory locking is needed. Also, in the scenario with untrusted
guests, latency improvement due to mlock is desired.
This patch introduces a following new option to mlock guest and
qemu memory:
-realtime mlock=on|off
Signed-off-by: Satoru Moriya <satoru.moriya@hds.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1366382526-26146-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Kevin Wolf (16) and Stefan Hajnoczi (4)
# Via Kevin Wolf
* kwolf/for-anthony:
qemu-iotests: add 053 unaligned compressed image size test
block: Allow overriding backing.file.filename
block: Remove filename parameter from .bdrv_file_open()
vvfat: Use bdrv_open options instead of filename
sheepdog: Use bdrv_open options instead of filename
rbd: Use bdrv_open options instead of filename
iscsi: Use bdrv_open options instead of filename
gluster: Use bdrv_open options instead of filename
curl: Use bdrv_open options instead of filename
blkverify: Use bdrv_open options instead of filename
blkdebug: Use bdrv_open options instead of filename
raw-win32: Use bdrv_open options instead of filename
raw-posix: Use bdrv_open options instead of filename
block: Enable filename option
block: Add driver-specific options for backing files
block: Fail gracefully when using a format driver on protocol level
qemu-iotests: Fix _filter_qemu
qemu-img: do not zero-pad the compressed write buffer
qcow: allow sub-cluster compressed write to last cluster
qcow2: allow sub-cluster compressed write to last cluster
Message-id: 1366630294-18984-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Paolo Bonzini (5) and others
# Via Paolo Bonzini
* bonzini/scsi-next:
vhost-scsi-s390: new device supporting the tcm_vhost Linux kernel module
vhost-scsi-ccw: new device supporting the tcm_vhost Linux kernel module
vhost-scsi-pci: new device supporting the tcm_vhost Linux kernel module
vhost-scsi: new device supporting the tcm_vhost Linux kernel module
virtio: simplify Makefile conditionals
virtio-scsi: create VirtIOSCSICommon
vhost: Add vhost_commit callback for SeaBIOS ROM region re-mapping
scsi: VMWare PVSCSI paravirtual device implementation
scsi: avoid assertion failure on VERIFY command
Message-id: 1366381460-6041-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Options starting in "backing." are passed to the backing file now. If
you don't need to specify the filename for the backing file, you can add
it on the command line instead of in the image file:
$ qemu-nbd -t /tmp/test.img
$ qemu-img create -f qcow2 empty.qcow2 1G
$ qemu-system-x86_64 -drive file=empty.qcow2,backing.file.driver=nbd,\
backing.file.host=localhost
Note that this doesn't override the backing filename from the image. If
the image has one, this will fail because NBD doesn't want the options
and a filename at the same time.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Drop all the infrastructure for taddr properties (ie ones which
are 'hwaddr' sized). These are now unused, and any further desired
use would be rather questionable since device properties shouldn't
generally depend on a type that is conceptually variable based on
the target CPU. 32 or 64 bit integer properties should be used instead
as appropriate for the specific device.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The WWPN specified in configfs is passed to "-device vhost-scsi-pci".
The tgpt field of the SET_ENDPOINT ioctl is obsolete now, so it is not
available from the QEMU command-line. Instead, I hardcode it to zero.
Changes in Patch-v2:
- Add vhost_scsi_get_features() in order to determine feature bits
supports by host kernel (mst + nab)
- Re-enable usage of DEFINE_VIRTIO_COMMON_FEATURES, and allow
EVENT_IDX to be disabled by host in vhost_scsi_get_features()
- Drop unused hotplug bit in DEFINE_VHOST_SCSI_PROPERTIES
Changes in Patch-v1:
- Set event_idx=off by default (nab, thanks asias)
- Disable hotplug feature bit for v3.9 tcm_vhost kernel code, need to
re-enable in v3.10 (nab)
- Update to latest qemu.git/master HEAD
Changes in WIP-V3:
- Drop ioeventfd vhost_scsi_properties (asias, thanks stefanha)
- Add CONFIG_VHOST_SCSI (asias, thanks stefanha)
- Add hotplug feature bit
Changes in WIP-V2:
- Add backend guest masking support (nab)
- Bump ABI_VERSION to 1 (nab)
- Set up set_guest_notifiers (asias)
- Set up vs->dev.vq_index (asias)
- Drop vs->vs.vdev.{set,clear}_vhost_endpoint (asias)
- Drop VIRTIO_CONFIG_S_DRIVER check in vhost_scsi_set_status (asias)
Howto:
Use the latest seabios, at least commit b44a7be17b
git clone git://git.seabios.org/seabios.git
make
cp out/bios.bin /usr/share/qemu/bios.bin
qemu -device vhost-scsi-pci,wwpn=naa.6001405bd4e8476d,event_idx=off
...
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Asias He <asias@redhat.com>
[ Rebase on top of VirtIOSCSICommon patch, fix bugs in feature
negotiation and irqfd masking - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch refactors existing virtio-scsi code into VirtIOSCSICommon
in order to allow virtio_scsi_init_common() to be used by both internal
virtio_scsi_init() and external vhost-scsi-pci code.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Asias He <asias@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
# By Stefan Weil (3) and others
# Via Stefan Hajnoczi
* stefanha/trivial-patches:
m25p80: Remove bogus include of devices.h
ssh: Remove unnecessary use of strlen function.
block/ssh: Add missing gcc format attributes
linux-user: change do_semop to return target errno when unsuccessful
w64: Fix compiler warnings (wrong format specifier)
Remove unneeded type casts
virtio.h: drop unused function prototypes
bswap: fix compiler warning
Message-id: 1366371241-23430-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This adds a new device that we can use for testing PCI PIO and MMIO, with and
without ioeventfd in different configurations. FAST_MMIO will be added if/when
kvm supports it. Also included are minor cleanups in kvm APIs that it needs.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci: add pci test device
This adds a new device that we can use for testing PCI PIO and MMIO, with and
without ioeventfd in different configurations. FAST_MMIO will be added if/when
kvm supports it. Also included are minor cleanups in kvm APIs that it needs.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 15 Apr 2013 05:42:24 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pci: add pci test device
kvm: support non datamatch ioeventfd
kvm: support any size for pio eventfd
kvm: remove unused APIs
Message-id: cover.1366272004.git.mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The bswap functions use memcpy but the bswap.h header itself does not seem to
include it in some configuration such as cross compiling for powerpc64
on x86_64 machine.
The patch explicitly includes string.h.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This patch follows MST's recommendation to move checks for
vhost_verify_ring_mappings() -> cpu_physical_memory_map() operations
from MemoryListener->region_[add,del]() -> vhost_set_memory() into
final MemoryListener->commit() -> vhost_commit() callback.
It addresses the case where virtio-scsi vq ioport RAM re-mapping
to read-only SeaBIOS ROM triggers a cpu_physical_memory_map()
NIL MemoryRegionSection pointer failure.
Also save vhost_dev->mem_changed_[start,end]_addr values in
vhost_set_memory() for final ranges_overlap checks. (Thanks Paolo!)
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Asias He <asias@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Yan Vugenfirer <yan@daynix.com>
[ Rename files to vmw_pvscsi, fix setting of hostStatus in
pvscsi_request_cancelled - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We already define it in Makefile.target. But we need to avoid a
curious double negation in order to eliminate it.
Tested-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
The alignment is a characteristic of the ABI, not the CPU.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Previously, this was done for target_long/ulong, and propagated to
abi_long/ulong via a typedef. But target_long/ulong should not
have any specific alignment, it is never used to access guest
memory.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
The alignment is a characteristic of the ABI, not the CPU.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
The alignment is a characteristic of the ABI, not the CPU.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
As the virtio-net-pci and virtio-net-s390 are switched to the new API,
we can use QOM casts.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1365690602-22729-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Create virtio-net-device which extends virtio-device, so it can be connected on
virtio-bus.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1365690602-22729-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Recent changes need two functions to VirtioDevice. This just add them
into VirtioDeviceClass.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1365690602-22729-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Memory chardev driver is no longer used, and Commit:
4bf0bb8014 has droped
it but the headers, so clean it up.
Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
Message-id: 1366188414-24214-1-git-send-email-lilei@linux.vnet.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Hans de Goede (5) and others
# Via Gerd Hoffmann
* spice/spice.v69:
spice-qemu-char: vmc_write: Don't write more bytes then we're asked too
spice-qemu-char: Remove intermediate buffer
spice-qemu-char: Add watch support
spice-qemu-char: Remove #ifdef-ed code for old spice-server compat
virtio-console: Remove any pending watches on close
virtio-console: Also throttle when less was written then requested
spice: (32 bit only) fix surface cmd tracking destruction
qxl: add 2000x2000 and 2048x2048 video modes
qxl: add 4k + 8k resolutions
Message-id: 1366106194-28826-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Igor Mammedov (8) and others
# Via Andreas Färber
* afaerber/qom-cpu:
target-cris: Override do_interrupt for pre-v32 CPU cores
qdev: Set device's parent before calling realize() down inheritance chain
cpu: Pass CPUState to *cpu_synchronize_post*()
target-i386: Split out CPU creation and features parsing
target-i386/cpu.c: Coding style fixes
ioapic: Replace FROM_SYSBUS() with QOM type cast
kvmvapic: Replace FROM_SYSBUS() with QOM type cast
target-i386: Split APIC creation from initialization in x86_cpu_realizefn()
target-i386: Consolidate error propagation in x86_cpu_realizefn()
qdev: Add qdev property for bool type
target-i386: Improve -cpu ? features output
target-i386: Fix including "host" in -cpu ? output
This is necessary so that we get properly woken up to write the rest.
This patch also changes the len argument to the have_data callback, to
avoid doing an unsigned signed comparison.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The uint32_t *app argument doesn't exist in real hardware. It was a hack in
xilinx_axidma/enet to fake the (secondary) control stream connection. Removed
the argument and added the second stream to axienet/dma.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Add basic flow control to stream. A stream slave may return short, indicating
that it is not capable of accepting any more data at the present time. Polling
or a callback can be used via the can_push() function to determine when the
slave can receive again.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
DisplayChangeListener gets a new QemuConsole field, which can be set to
non-NULL before registering. This will pin the QemuConsole, so that
particular DisplayChangeListener will not follow console switches.
spice+gtk (which don't support text console input anyway) are switched
over to be pinned to console 0, which usually is the graphical display.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
xenfb informs the guest about the gui refresh interval so it can avoid
pointless work. That logic was temporarely disabled for the
DisplayState reorganization. Restore it now, with a proper interface
for it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Make gui update rate adaption code in gui_update() actually work.
Sprinkle in a tracepoint so you can see the code at work. Remove
the update rate adaption code in vnc and make vnc simply use the
generic bits instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Pass a single GraphicHwOps struct pointer to graphic_console_init,
instead of a bunch of function pointers.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
With gui_* being moved to console.c nobody outside console.c needs
access to DisplayState fields any more. Make the struct private.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Screendumps are alot simpler as we can update non-active
QemuConsoles now. So we only need to update the QemuConsole
we want write out, then dump the DisplaySurface content into
a ppm file. Done.
No console switching needed. No special support code in the
gfx card emulation needed. Zap it all. Also move ppm_save
out of the vga code and next to the qmp_screendump function.
For now screen dumping is limited to console #0 (like it used
to be), even though it is dead simple to extend it to other
consoles. I wanna finish the console cleanup before setting
new qapi interfaces into stone.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Go away from the global DisplaySurface, give one to each QemuConsole
instead. With this patch applied it is possible to call
graphics_hw_* functions with qemu consoles which are not the current
foreground console.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add QemuConsole parameter to vga_hw_*, so the interface allows to update
non-active consoles (the actual code can't handle this yet, see next
patch). Passing NULL is allowed and updates the active console, like
the functions do today.
While touching all vga_hw_* calls anyway rename that to the functions to
hardware-neutral graphics_hw_*
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
We have only one DisplayState, so there is no need for the "next"
linking, rip it. Also consolidate all displaystate initialization
into init_displaystate(). This function is called by vl.c after
creating the devices (and thus all QemuConsoles) and before
initializing DisplayChangeListensers (aka gtk/sdl/vnc/spice ui).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add helper functions to create pixman mask images for glyphs
and to render these glyphs into a pixman image.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
... so it could be called without requiring CPUArchState.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This device is used for kvm unit tests,
currently it supports testing performance of ioeventfd.
Using updated kvm unittest, here's an example output:
mmio-no-eventfd:pci-mem 8796
mmio-wildcard-eventfd:pci-mem 3609
mmio-datamatch-eventfd:pci-mem 3685
portio-no-eventfd:pci-io 5287
portio-wildcard-eventfd:pci-io 1762
portio-datamatch-eventfd:pci-io 1777
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* bonzini/hw-dirs:
exec: remove useless declarations from memory-internal.h
memory: move core typedefs to qemu/typedefs.h
include: avoid useless includes of exec/ headers
sysemu: avoid proliferation of include/ subdirectories
tpm: reorganize headers and split hardware part
configure: fix TPM logic
acpi.h: make it self contained
acpi: move declarations from pc.h to acpi.h
hw: Add lost ARM core again
Fix failure to create q35 machine
Add linux-headers to QEMU_INCLUDES
arm: fix location of some include files
Conflicts:
configure
aliguori: trivial conflict in configure output
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Since commit 249d41720b (qdev: Prepare
"realized" property) setting realized = true would register the device's
VMStateDescription, but realized = false would not unregister it. Fix that.
Moving the code from unparenting also revealed that we were calling
DeviceClass::init through DeviceClass::realize as interim solution but
DeviceClass::exit still at unparenting time with a realized check.
Make this symmetrical by implementing DeviceClass::unrealize to call it,
while we're setting realized = false in the unparenting path.
The only other unrealize user is mac_nvram, which can safely override it.
Thus, mark DeviceClass::exit as obsolete, new devices should implement
DeviceClass::unrealize instead.
Cc: qemu-stable@nongnu.org
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1366043650-9719-1-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The TPM subsystem does not have a full front-end/back-end separation.
The sole available backend, tpm_passthrough, depends on the data
structures of the sole available frontend, tpm_tis.
However, we can at least try to split the user interface (tpm.c) from the
implementation (hw/tpm). The patches makes tpm.c not include tpm_int.h,
which is shared between tpm_tis.c and tpm_passthrough.c; instead it
moves more stuff to tpm_backend.h.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The qdev field is no longer needed, just drop it.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1365512016-21944-8-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
As the virtio-serial-pci and virtio-serial-s390 are switched to the new
API, we can use QOM casts.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1365512016-21944-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Create virtio-serial which extends virtio-device, so it can be connected
on virtio-bus.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1365512016-21944-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This fix the broken aliases, by renaming the devices.
So: * virtio-blk => virtio-blk-device.
* virtio-balloon => virtio-balloon-device.
* virtio-scsi => virtio-scsi-device.
All virtio-*-pci, virtio-*-s390, virtio-*-ccw didn't change.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1365501888-14602-1-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Headers shouldn't assume another header is included,
pull in everything necessary.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20130415081250.GA7374@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Headers shouldn't assume another header is included,
pull in everything necessary.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Functions defined in acpi/ should be declared in
acpi.h
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The recent rearrangement of include files had some minor errors:
devices.h is not ARM specific and should not be in arm/
arm.h should be in arm/
Move these two headers to correct this.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Directly pass the QEMUIOVector on instead of linearising it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Instead of breaking up RAM state into many small chunks, pass the iovec
to the block layer for better performance.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Remove static attribute to Td[0-5] and Te[0-5] tables so that they
can be used outside of aes.c. Change their type from u32 to uint32_t,
to keep the u32 udef local to aes.c. Prefix them with AES_ so that they
do not conflict with other symbols.
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Move aes.h from include/block to include/qemu to show it can be reused
by other subsystems.
Cc: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This brings us a step closer to QOM'ified SH7750 SoC and
fixes b350ab75 (target-sh4: Move PVR/PRR/CVR into SuperHCPUClass)
assuming SuperHCPU type for SUPERH_CPU_GET_CLASS().
Fix Coding Style issues while at it (indentation, braces).
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
# By Paolo Bonzini
# Via Paolo Bonzini
* bonzini/hw-dirs: (35 commits)
hw: move private headers to hw/ subdirectories.
MAINTAINERS: update for source code movement
hw: move last file to hw/arm/
hw: move hw/kvm/ to hw/i386/kvm
hw: move ARM CPU cores to hw/cpu/, configure with default-configs/
hw: move other devices to hw/misc/, configure with default-configs/
hw: move NVRAM interfaces to hw/nvram/, configure with default-configs/
hw: move GPIO interfaces to hw/gpio/, configure with default-configs/
hw: move interrupt controllers to hw/intc/, configure with default-configs/
hw: move DMA controllers to hw/dma/, configure with default-configs/
hw: move VFIO and ivshmem to hw/misc/
hw: move PCI bridges to hw/pci-* or hw/ARCH
hw: move SD/MMC devices to hw/sd/, configure with default-configs/
hw: move timer devices to hw/timer/, configure with default-configs/
hw: move ISA bridges and devices to hw/isa/, configure with default-configs/
hw: move char devices to hw/char/, configure via default-configs/
hw: move more files to hw/xen/
hw: move SCSI controllers to hw/scsi/, configure via default-configs/
hw: move SSI controllers to hw/ssi/, configure via default-configs/
hw: move I2C controllers to hw/i2c/, configure via default-configs/
...
Message-id: 1365442249-18259-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Many of these should be cleaned up with proper qdev-/QOM-ification.
Right now there are many catch-all headers in include/hw/ARCH depending
on cpu.h, and this makes it necessary to compile these files per-target.
However, fixing this does not belong in these patches.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* 'arm-devs.next' of git://git.linaro.org/people/pmaydell/qemu-arm:
hw/nand.c: Fix nand erase operation
cadence_uart: Flush queued characters on reset
pl330: Don't inhibit ES bits on INTEN
pflash_cfi01: Implement migration support
pflash_cfi01: Drop unused 'bypass' field
hw/arm_gic_common: Use vmstate struct rather than save/load functions
arm_gic: Fix sizes of state fields in preparation for vmstate support
vmstate: Add support for two dimensional arrays
hw/onenand.c: fix migration of dynamically allocated buffer "otp"
hw/sd.c: fix migration of dynamically allocated buffer "buf"
vmstate.h: introduce VMSTATE_BUFFER_POINTER_UNSAFE macro
hw/arm_mptimer: Save the timer state
pl050: Don't send always-constant is_mouse field
hw/arm/nseries: don't print to stdout or stderr
# By Stefan Hajnoczi (4) and Kevin Wolf (3)
# Via Kevin Wolf
* kwolf/for-anthony:
qcow2: Fix L1 write error handling in qcow2_update_snapshot_refcount
qcow2: Return real error in qcow2_update_snapshot_refcount
block: clean up I/O throttling wait_time code
block: drop duplicated slice extension code
block: keep I/O throttling slice time constant
block: fix I/O throttling accounting blind spot
usb-storage: Forward serial number to scsi-disk
It is not necessary to adjust the slice time at runtime. We already
extend the current slice in order to carry over accounting into the next
slice. Changing the actual slice time value introduces oscillations.
The guest may experience large changes in throughput or IOPS from one
moment to the next when slice times are adjusted.
Reported-by: Benoît Canet <benoit@irqsave.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-By: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
I/O throttling relies on bdrv_acct_done() which is called when a request
completes. This leaves a blind spot since we only charge for completed
requests, not submitted requests.
For example, if there is 1 operation remaining in this time slice the
guest could submit 3 operations and they will all be submitted
successfully since they don't actually get accounted for until they
complete.
Originally we probably thought this is okay since the requests will be
accounted when the time slice is extended. In practice it causes
fluctuations since the guest can exceed its I/O limit and it will be
punished for this later on.
Account for I/O upon submission so that I/O limits are enforced
properly.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-By: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add support for migrating two dimensional arrays, by defining
a set of new macros VMSTATE_*_2DARRAY paralleling the existing
VMSTATE_*_ARRAY macros. 2D arrays are handled the same for actual
state serialization; the only difference is that the type check
has to change for a 2D array.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Message-id: 1363975375-3166-2-git-send-email-peter.maydell@linaro.org
Macro could be used to migrate a dynamically allocated buffer of known size.
Signed-off-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1362923278-4080-2-git-send-email-i.mitsyanko@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allow the clock_gettime() code using monotonic clock to be utilized on
more POSIX compliannt OS's. This started as a fix for OpenBSD which was
listed in one function as part of the previous hard coded list of OS's
for the functions to support but not in the other.
Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20130405003748.GH884@rox.home.comstyle.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
As one consequence, strtok() -- which modifies its argument -- is replaced
with g_strsplit().
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-6-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add qemu_chr_fe_claim / _release helper functions for properly dealing with
avail_connections.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364412581-3672-2-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The fcntl(fd, F_SETFL, O_NONBLOCK) flag is not specific to sockets.
Rename to qemu_set_nonblock() just like qemu_set_cloexec().
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
QOM-ified the TPM support with much code borrowed from the rng implementation.
All other TPM related code moves will be provided in a subsequent patch.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Message-id: 1364469981.24703.1.camel@d941e-10
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Most frontends can't really determine if the guest actually has the frontend
side open. So lets automatically generate fe_open / fe_close as soon as a
frontend becomes ready (as signalled by calling qemu_chr_add_handlers) /
becomes non ready (as signalled by setting all handlers to NULL).
And allow frontends which can actually determine if the guest is listening to
opt-out of this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364292483-16564-5-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add tracking of the fe_open state to struct CharDriverState.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364292483-16564-4-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
To better reflect that it is for handling a backend being opened.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364292483-16564-3-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Rename the opened variable to be_open to reflect that it contains the
opened state of the backend.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364292483-16564-2-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
GCC 4.8.0 introduces a new warning:
block/qcow2-snapshot.c: In function 'qcow2_write_snapshots’:
block/qcow2-snapshot.c:252:18: error: typedef 'qemu_build_bug_on__253'
locally defined but not used [-Werror=unused-local-typedefs]
QEMU_BUILD_BUG_ON(offsetof(QCowHeader, snapshots_offset) !=
^
cc1: all warnings being treated as errors
(Caret diagnostics aren't perfect yet with macros... :)) Work around it
with __attribute__((unused)).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1364391272-1128-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Work by Alex to support VGA assignment,
pci and virtio fixes by Stefan, Jason and myself, and a
new qmp event for hotplug support by myself.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
virtio,pci,qom
Work by Alex to support VGA assignment,
pci and virtio fixes by Stefan, Jason and myself, and a
new qmp event for hotplug support by myself.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 26 Mar 2013 02:02:24 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Alex Williamson (13) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony: (23 commits)
pcie: Add endpoint capability initialization wrapper
roms: switch oldnoconfig to olddefconfig
pcie: Mangle types to match topology
pci: Create and use API to determine root buses
pci: Create pci_bus_is_express helper
pci: Q35, Root Ports, and Switches create PCI Express buses
pci: Allow PCI bus creation interfaces to specify the type of bus
pci: Move PCI and PCIE type defines
pci: Create and register a new PCI Express TypeInfo
exec: assert that RAMBlock size is non-zero
pci: refuse empty ROM files
pci_bridge: Remove duplicate IRQ swizzle function
pci_bridge: Use a default map_irq function
pci: Fix INTx routing notifier recursion
pci_bridge: drop formatting from source
pci_bridge: factor out common code
pci: Teach PCI Bridges about VGA routing
pci: Add PCI VGA helpers
virtio-pci: guest notifier mask without non-irqfd
virtio-net: remove layout assumptions for mq ctrl
...
# By Peter Lieven (9) and others
# Via Juan Quintela
* quintela/migration.next: (22 commits)
Use qemu_put_buffer_async for guest memory pages
Add qemu_put_buffer_async
Use writev ops if available
Store the data to send also in iovec
Update bytes_xfer in qemu_put_byte
Add socket_writev_buffer function
Add QemuFileWritevBuffer QemuFileOps
migration: use XBZRLE only after bulk stage
migration: do not search dirty pages in bulk stage
migration: do not sent zero pages in bulk stage
migration: add an indicator for bulk state of ram migration
migration: search for zero instead of dup pages
bitops: unroll while loop in find_next_bit()
buffer_is_zero: use vector optimizations if possible
cutils: add a function to find non-zero content in a buffer
move vector definitions to qemu-common.h
savevm: Fix bugs in the VMSTATE_VBUFFER_MULTIPLY definition
savevm: Add VMSTATE_STRUCT_VARRAY_POINTER_UINT32
savevm: Add VMSTATE_FLOAT64 helpers
savevm: Add VMSTATE_UINTTL_EQUAL helper
...
This allows us to add a buffer to the iovec to send without copying it
into the static buffer, the buffer will be sent later when qemu_fflush is called.
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This will allow us to write an iovec
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
during bulk stage of ram migration if a page is a
zero page do not send it at all.
the memory at the destination reads as zero anyway.
even if there is an madvise with QEMU_MADV_DONTNEED
at the target upon receipt of a zero page I have observed
that the target starts swapping if the memory is overcommitted.
it seems that the pages are dropped asynchronously.
this patch also updates QMP to return the number of
skipped pages in MigrationStats.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
this adds buffer_find_nonzero_offset() which is a SSE2/Altivec
optimized function that searches for non-zero content in a
buffer.
the function starts full unrolling only after the first few chunks have
been checked one by one. analyzing real memory page data has revealed
that non-zero pages are non-zero within the first 256-512 bits in
most cases. as this function is also heavily used to check for zero memory
pages this tweak has been made to avoid the high setup costs of the fully
unrolled check for non-zero pages.
due to the optimizations used in the function there are restrictions
on buffer address and search length. the function
can_use_buffer_find_nonzero_content() can be used to check if
the function can be used safely.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
vector optimizations will now be used at various places
not just in is_dup_page() in arch_init.c
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
The VMSTATE_BUFFER_MULTIPLY macro is misnamed - it actually specifies
a variably sized buffer with VMS_VBUFFER, so should be named
VMSTATE_VBUFFER_MULTIPLY. This patch fixes this (the macro had no current
users under either name).
In addition, unlike the other VMSTATE_VBUFFER variants, this macro did not
specify VMS_POINTER. This patch fixes this bug as well.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Currently the savevm code contains a VMSTATE_STRUCT_VARRAY_POINTER_INT32
helper (a variably sized array with the number of elements in an int32_t),
but not VMSTATE_STRUCT_VARRAY_POINTER_UINT32 (... with the number of
elements in a uint32_t). This patch (trivially) fixes the deficiency.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Juan Quintela <quintela@redhat.com>
The current savevm code includes VMSTATE helpers for a number of commonly
used data types, but not for the float64 type used by the internal floating
point emulation code. This patch fixes the deficiency.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This adds an _EQUAL VMSTATE helper for target_ulongs, defined in terms of
VMSTATE_UINT32_EQUAL or VMSTATE_UINT64_EQUAL as appropriate.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Juan Quintela <quintela@redhat.com>
The savevm code already includes a number of *_EQUAL helpers which act as
sanity checks verifying that the configuration of the saved state matches
that of the machine we're loading into to work. Variants already exist
for 8 bit 16 bit and 32 bit integers, but not 64 bit integers. This patch
fills that hole, adding a UINT64 version.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Juan Quintela <quintela@redhat.com>
# By Dmitry Fleytman (5) and others
# Via Stefan Hajnoczi
* stefanha/net:
net: increase buffer size to accommodate Jumbo frame pkts
VMXNET3 device implementation
Packet abstraction for VMWARE network devices
Common definitions for VMWARE devices
net: iovec checksum calculator
Checksum-related utility functions
net: use socket_set_nodelay() for -netdev socket
Socket buffer sizes were hard-coded to 4K for VDE and socket netdevs. Bump this
up to 68K (ala tap netdev) to handle maximum GSO packet size (64k) plus plenty
of room for the ethernet and virtio_net headers.
Originally, ran into this limitation when using -netdev UDP sockets to connect
VM-to-VM, where VM interface is configure with MTU=9000. (Using virtio_net
NIC model). Test is simple: ping -M do -s 8500 <target>. This test will
attempt to ping with unfragmented packet of given size. Without patch, size
is limited to < 4K (minus protocol hdrs). With patch, ping test works with pkt
size up to 9000 (again, minus protocol hdrs).
v2: per Stefan, increase buf size to (4096+65536) as done in tap and apply
to vde and socket netdevs.
v1: increase buf size to 12K just for -netdev UDP sockets
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
net_checksum_add_cont()
checksum calculation for scattered data with odd chunk sizes
net_raw_checksum()
checksum calculation for a buffer
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Yan Vugenfirer <yan@daynix.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
# By Kevin Wolf (12) and Peter Lieven (2)
# Via Kevin Wolf
* kwolf/for-anthony:
nbd: Check against invalid option combinations
nbd: Use default port if only host is specified
block: Allow omitting the file name when using driver-specific options
block: Make find_image_format safe with NULL filename
block: Rename variable to avoid shadowing
block: Introduce .bdrv_parse_filename callback
nbd: Accept -drive options for the network connection
nbd: Remove unused functions
nbd: Keep hostname and port separate
qemu-socket: Make socket_optslist public
block: Pass bdrv_file_open() options to block drivers
block: Add options QDict to bdrv_file_open() prototypes
block: complete all IOs before resizing a device
Revert "block: complete all IOs before .bdrv_truncate"
After this patch, using -drive with an empty file name continues to open
the file if driver-specific options are used. If no driver-specific
options are specified, the semantics stay as it was: It defines a drive
without an inserted medium.
In order to achieve this, bdrv_open() must be made safe to work with a
NULL filename parameter. The assumption that is made is that only block
drivers which implement bdrv_parse_filename() support using driver
specific options and could therefore work without a filename. These
drivers must make sure to cope with NULL in their implementation of
.bdrv_open() (this is only NBD for now). For all other drivers, the
block layer code will make sure to error out before calling into their
code - they can't possibly work without a filename.
Now an NBD connection can be opened like this:
qemu-system-x86_64 -drive file.driver=nbd,file.port=1234,file.host=::1
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
If a driver needs structured data and not just a string, it can provide
a .bdrv_parse_filename callback now that parses the command line string
into separate options. Keeping this separate from .bdrv_open_filename
ensures that the preferred way of directly specifying the options always
works as well if parsing the string works.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The NBD block supports an URL syntax, for which a URL parser returns
separate hostname and port fields. It also supports the traditional qemu
syntax encoded in a filename. Until now, after parsing the URL to get
each piece of information, a new string is built to be fed to socket
functions.
Instead of building a string in the URL case that is immediately parsed
again, parse the string in both cases and use the QemuOpts interface to
qemu-sockets.c.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Allow other users to create the QemuOpts needed for inet_connect_opts().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Fix various typos and misspellings. The bulk of these were found with
codespell.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
qemu_chr_fe_add_watch() can return negative errors, therefore it must
not have an unsigned return type. For consistency with other
qemu_chr_fe_* functions, this uses a standard C int instead of glib
types.
In situations where qemu_chr_fe_add_watch() is falsely assumed to have
succeeded, the serial ports would go into a state where it never becomes
ready for transmitting more data; this is fixed by this patch.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Switch the few remaining ds_get_* uses in console.c over to the new
surface_* accessors.
While doing so tripped over a few leftovers from commit
a93a4a226a (code using depth == 0
as indicator for textmode rendering). Fixed them up.
Finally dropped ds_get_* helper helpers.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Now that nobody depends on DisplayState in DisplayChangeListener
callbacks any more we can remove the parameter from all callbacks.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add convinence wrappers to query DisplaySurface properties.
Simliar to ds_get_*, but operating in the DisplaySurface
not the DisplayState.
With this patch in place ui frontents can stop using DisplayState
in the rendering code paths, they can simply operate using the
DisplaySurface passed in via dpy_gfx_switch callback.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Replace the dpy_gfx_resize and dpy_gfx_setdata DisplayChangeListener
callbacks with a dpy_gfx_switch callback which notifies the ui code
when the framebuffer backing storage changes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Decouple DisplaySurface allocation & deallocation from DisplayState.
Replace dpy_gfx_resize + dpy_gfx_setdata with a dpy_gfx_replace_surface
function.
This handles the graphic hardware emulation.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
It's broken by design. There can be multiple DisplayChangeListener
instances, so they simply can't store state in the (single) DisplayState
struct. Try 'qemu -display gtk -vnc :0', watch it crash & burn.
With DisplayChangeListenerOps having a more sane interface now we can
simply use the DisplayChangeListener pointer to get access to our
private data instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Split callbacks into separate Ops struct. Pass DisplayChangeListener
pointer as first argument to all callbacks. Uninline a bunch of
display functions and move them from console.h to console.c
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
libvirt has a long-standing bug: when removing the device,
it can request removal but does not know when the
removal completes. Add an event so we can fix this in a robust way.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Factor out the hexdumper functionality from iov for all to use. Useful for
creating verbose debug printfery that dumps packet data.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: faaac219c55ea586d3f748befaf5a2788fd271b8.1361853677.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
CoQueue uses a BH to awake coroutines that were made ready to run again
using qemu_co_queue_next() or qemu_co_queue_restart_all(). The BH
currently runs in the iothread AioContext and would break coroutines
that run in a different AioContext.
This is a slightly tricky problem because the lifetime of the BH exceeds
that of the CoQueue. This means coroutines can be awoken after CoQueue
itself has been freed. Also, there is no qemu_co_queue_destroy()
function which we could use to handle freeing resources.
Introducing qemu_co_queue_destroy() has a ripple effect of requiring us
to also add qemu_co_mutex_destroy() and qemu_co_rwlock_destroy(), as
well as updating all callers. Avoid doing that.
We also cannot switch from BH to GIdle function because aio_poll() does
not dispatch GIdle functions. (GIdle functions make memory management
slightly easier because they free themselves.)
Finally, I don't want to move unlock_queue and unlock_bh into
AioContext. That would break encapsulation - AioContext isn't supposed
to know about CoQueue.
This patch implements a different solution: each qemu_co_queue_next() or
qemu_co_queue_restart_all() call creates a new BH and list of coroutines
to wake up. Callers tend to invoke qemu_co_queue_next() and
qemu_co_queue_restart_all() occasionally after blocking I/O, so creating
a new BH for each call shouldn't be massively inefficient.
Note that this patch does not add an interface for specifying the
AioContext. That is left to future patches which will convert CoQueue,
CoMutex, and CoRwlock to expose AioContext.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Now that each AioContext has a ThreadPool and the main loop AioContext
can be fetched with bdrv_get_aio_context(), we can eliminate the concept
of a global thread pool from thread-pool.c.
The submit functions must take a ThreadPool* argument.
block/raw-posix.c and block/raw-win32.c use
aio_get_thread_pool(bdrv_get_aio_context(bs)) to fetch the main loop's
ThreadPool.
tests/test-thread-pool.c must be updated to reflect the new
thread_pool_submit() function prototypes.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
For now bdrv_get_aio_context() is just a stub that calls
qemu_aio_get_context() since the block layer is currently tied to the
main loop AioContext.
Add the stub now so that the block layer can begin accessing its
AioContext.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
This patch adds a ThreadPool to AioContext. It's possible that some
AioContext instances will never use the ThreadPool, so defer creation
until aio_get_thread_pool().
The reason why AioContext should have the ThreadPool is because the
ThreadPool is bound to a AioContext instance where the work item's
callback function is invoked. It doesn't make sense to keep the
ThreadPool pointer anywhere other than AioContext. For example,
block/raw-posix.c can get its AioContext's ThreadPool and submit work.
Special note about headers: I used struct ThreadPool in aio.h because
there is a circular dependency if aio.h includes thread-pool.h.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
ThreadPool is tied to an AioContext through its event notifier, which
dictates in which AioContext the work item's callback function will be
invoked.
In order to support multiple AioContexts we need to support multiple
ThreadPool instances.
This patch adds the new/free functions. The free function deserves
special attention because it quiesces remaining worker threads. This
requires a new condition variable and a "stopping" flag to let workers
know they should terminate once idle.
We never needed to do this before since the global threadpool was not
explicitly destroyed until process termination.
Also stash the AioContext pointer in ThreadPool so that we can call
aio_set_event_notifier() in thread_pool_free(). We didn't need to hold
onto AioContext previously since there was no free function.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
It is very useful to get the main loop AioContext, which is a static
variable in main-loop.c.
I'm not sure whether qemu_get_aio_context() will be necessary in the
future once devices focus on using their own AioContext instead of the
main loop AioContext, but for now it allows us to refactor code to
support multiple AioContext while actually passing the main loop
AioContext.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Pointing to a QemuOpts element is surprising and can lead to subtle
use-after-free errors when the QemuOpts is freed after all options are
parsed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This adds a function that adds all entries of a QDict to a QemuOpts if
the keys are known, and leaves only the rest in the QDict.
This way a single QDict of -drive options can be processed in multiple
places (generic block layer, block driver, backing file block driver,
etc.), where each part picks the options it knows. If at the end of the
process the QDict isn't empty, the user specified an invalid option.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
It doesn't do anything yet except storing the options QDict in the
BlockDriverState.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* kraxel/chardev.5:
spice-qemu-char: Remove dead debugging code
spice-qemu-char: Fix name parameter issues after qapi-ifying
qemu-char.c: fix waiting for telnet connection message
Revert "hmp: Disable chardev-add and chardev-remove"
chardev: add udp support to qapi
chardev: add memory (ringbuf) support to qapi
chardev: add vc support to qapi
chardev: add spice support to qapi
chardev: add pipe support to qapi
chardev: add console support to qapi
chardev: switch pty init to qapi
chardev: switch parallel init to qapi
chardev: switch serial/tty init to qapi
chardev: add stdio support to qapi
chardev: switch file init to qapi
chardev: add braille support to qapi
chardev: add msmouse support to qapi
chardev: switch null init to qapi
chardev: add mux chardev support to qapi
chardev: add support for qapi-based chardev initialization
Conflicts:
ui/console.c
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Andreas Färber (16) and Igor Mammedov (1)
# Via Andreas Färber
* afaerber/qom-cpu:
target-lm32: Update VMStateDescription to LM32CPU
target-arm: Override do_interrupt for ARMv7-M profile
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
cpu: Pass CPUState to cpu_interrupt()
exec: Pass CPUState to cpu_reset_interrupt()
cpu: Move halted and interrupt_request fields to CPUState
target-cris/helper.c: Update Coding Style
target-i386: Update VMStateDescription to X86CPU
cpu: Introduce cpu_class_set_vmsd()
cpu: Register VMStateDescription through CPUState
stubs: Add a vmstate_dummy struct for CONFIG_USER_ONLY
vmstate: Make vmstate_register() static inline
target-sh4: Move PVR/PRR/CVR into SuperHCPUClass
target-sh4: Introduce SuperHCPU subclasses
cpus: Replace open-coded CPU loop in qmp_memsave() with qemu_get_cpu()
monitor: Use qemu_get_cpu() in monitor_set_cpu()
cpu: Fix qemu_get_cpu() to return NULL if CPU not found
This patch adds 'vc' support to qapi and also switches over the
vc chardev initialization to the new qapi code path.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch adds 'braille' support to qapi and also switches over
the braille chardev initialization to the new qapi code path.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch adds 'msmouse' support to qapi and also switches over
the msmouse chardev initialization to the new qapi code path.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch add support for a new way to initialize chardev devices.
Instead of calling a initialization function with a QemuOpts we will
now create a (qapi) ChardevBackend, optionally call a function to
fill ChardevBackend from QemuOpts, then go create the chardev using
the new qapi code path which is also used by chardev-add.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch is based of off version 9 of Stefan Berger's patch series
"QEMU Trusted Platform Module (TPM) integration"
and adds a new backend driver for it.
This patch adds a passthrough backend driver for passing commands sent to the
emulated TPM device directly to a TPM device opened on the host machine.
Thus it is possible to use a hardware TPM device in a system running on QEMU,
providing the ability to access a TPM in a special state (e.g. after a Trusted
Boot).
This functionality is being used in the acTvSM Trusted Virtualization Platform
which is available on [1].
Usage example:
qemu-system-x86_64 -tpmdev passthrough,id=tpm0,path=/dev/tpm0 \
-device tpm-tis,tpmdev=tpm0 \
-cdrom test.iso -boot d
Some notes about the host TPM:
The TPM needs to be enabled and activated. If that's not the case one
has to go through the BIOS/UEFI and enable and activate that TPM for TPM
commands to work as expected.
It may be necessary to boot the kernel using tpm_tis.force=1 in the boot
command line or 'modprobe tpm_tis force=1' in case of using it as a module.
Regards,
Andreas Niederl, Stefan Berger
[1] http://trustedjava.sourceforge.net/
Signed-off-by: Andreas Niederl <andreas.niederl@iaik.tugraz.at>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
Message-id: 1361987275-26289-6-git-send-email-stefanb@linux.vnet.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This patch adds support for TPM command line options.
The command line options supported here are
./qemu-... -tpmdev passthrough,path=<path to TPM device>,id=<id>
-device tpm-tis,tpmdev=<id>,id=<other id>
and
./qemu-... -tpmdev help
where the latter works similar to -soundhw help and shows a list of
available TPM backends (for example 'passthrough').
Using the type parameter, the backend is chosen, i.e., 'passthrough' for the
passthrough driver. The interpretation of the other parameters along
with determining whether enough parameters were provided is pushed into
the backend driver, which needs to implement the interface function
'create' and return a TPMDriverOpts structure if the VM can be started or
'NULL' if not enough or bad parameters were provided.
Monitor support for 'info tpm' has been added. It for example prints the
following:
(qemu) info tpm
TPM devices:
tpm0: model=tpm-tis
\ tpm0: type=passthrough,path=/dev/tpm0,cancel-path=/sys/devices/pnp0/00:09/cancel
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
Message-id: 1361987275-26289-2-git-send-email-stefanb@linux.vnet.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This removes a global per-target function and thus takes us one step
closer to compiling multiple targets into one executable.
It will also allow to override the interrupt handling for certain CPU
families.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Move it to qom/cpu.h to avoid issues with include order.
Change pc_acpi_smi_interrupt() opaque to X86CPU.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Move it to qom/cpu.c to avoid build failures depending on include order
of cpu-qom.h and exec/cpu-all.h.
Change opaques of various ..._irq_handler() functions to the
appropriate CPU type to facilitate using cpu_reset_interrupt().
Fix Coding Style issues while at it (missing braces, indentation).
Signed-off-by: Andreas Färber <afaerber@suse.de>
Both fields are used in VMState, thus need to be moved together.
Explicitly zero them on reset since they were located before
breakpoints.
Pass PowerPCCPU to kvmppc_handle_halt().
Signed-off-by: Andreas Färber <afaerber@suse.de>
This setter avoids redefining each VMStateDescription value to
vmstate_dummy by not referencing the value for CONFIG_USER_ONLY.
Suggested-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
In comparison to DeviceClass::vmsd, CPU VMState is split in two,
"cpu_common" and "cpu", and uses cpu_index as instance_id instead of -1.
Therefore add a CPU-specific CPUClass::vmsd field.
Unlike the legacy CPUArchState registration, rather register CPUState.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
This avoids adding a duplicate stub for CONFIG_USER_ONLY.
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The page cache frees all data on finish, on resize and
if there is collision on insert. So it should be the caches
responsibility to dup the data that is stored in the cache.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
The indirection is useless now. Backends can open s->file directly.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Rate limiting is now simply a byte counter; client call
qemu_file_rate_limit() manually to determine if they have to exit.
So it is possible and simple to move the functionality to QEMUFile.
This makes the remaining functionality of s->file redundant;
in the next patch we can remove it and write directly to s->migration_file.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Second, drop the file descriptor indirection, and write directly to the
QEMUFile.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
As a start, use QEMUFile to store the destination and close it.
qemu_get_fd gets a file descriptor that will be used by the write
callbacks.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This is what exec_close does. Move this to the underlying QEMUFile.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
There is no reason for outgoing exec migration to do popen manually
anymore (the reason used to be that we needed the FILE* to make it
non-blocking). Use qemu_popen_cmd.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Buffering was needed because blocking writes could take a long time
and starve other threads seeking to grab the big QEMU mutex.
Now that all writes (except within _complete callbacks) are done
outside the big QEMU mutex, we do not need buffering at all.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Only the migration_bitmap_sync() call needs the iothread lock.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This makes it possible to do blocking writes directly to the socket,
with no buffer in the middle. For RAM, only the migration_bitmap_sync()
call needs the iothread lock. For block migration, it is needed by
the block layer (including bdrv_drain_all and dirty bitmap access),
but because some code is shared between iterate and complete, all of
mig_save_device_dirty is run with the lock taken.
In the savevm case, the iterate callback runs within the big lock.
This is annoying because it complicates the rules. Luckily we do not
need to do anything about it: the RAM iterate callback does not need
the iothread lock, and block migration never runs during savevm.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This groups together the callbacks that later will have similar
locking rules.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Some state is shared between the block migration code and its AIO
callbacks. Once block migration will run outside the iothread,
the block migration code and the AIO callbacks will be able to
run concurrently. Protect the critical sections with a separate
lock. Do the same for completed_sectors, which can be used from
the monitor.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Perform final cleanup in a bottom half, and add joining the thread to
the series of cleanup actions.
migrate_fd_error remains for connection error, but it doesn't need
to cleanup anything anymore.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Always use qemu_file_get_error to detect errors, since that is how
QEMUFile itself drops I/O after an error occurs. There is no need
to propagate and check return values all the time.
Also remove the "complete" member, since we know that it is set (via
migrate_fd_cleanup) only when the state changes.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Right now, migration cannot entirely rely on QEMUFile's automatic
drop of I/O after an error, because it does its "real" I/O outside
the put_buffer callback. To fix this until buffering is gone, expose
qemu_file_set_error which we will use in buffered_flush.
Similarly, buffered_flush is not a complete flush because some data may
still reside in the QEMUFile's own buffer. This somewhat complicates the
process of closing the migration thread. Again, when buffering is gone
buffered_flush will disappear and calling qemu_fflush will not be needed;
in the meanwhile, we expose the function for use in migration.c.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
* origin/master: (75 commits)
tcg: Don't make exitreq flag a local temporary
Makefile: Add subdir dependency on config-devices-all.mak
make_device_config.sh: Emit dependency file to directory where included
Revert "make_device_config.sh: Fix target path in generated dependency file"
s390/virtio-ccw: remove redundant call to blockdev_mark_auto_del
s390/css: Fix subchannel detection
Allow virtio-net features for legacy s390 virtio bus
s390: virtio-ccw maintainer
s390: simplify kvm cpu init
pseries: Add compatible property to root of device tree
target-ppc: Move CPU aliases out of translate_init.c
target-ppc: Report CPU aliases for QMP
target-ppc: List alias names alongside CPU models
target-ppc: Make host CPU a subclass of the host's CPU model
PPC: xnu kernel expects FLUSH to be cleared on STOP
PPC: Fix dma interrupt
target-ppc: Fix PPC_DUMP_SPR_ACCESS build
target-ppc: Synchronize FPU state with KVM
target-ppc: Add mechanism for synchronizing SPRs with KVM
Save memory allocation in the elf loader
...
* bonzini/hw-dirs:
sh: move files referencing CPU to hw/sh4/
ppc: move more files to hw/ppc
ppc: move files referencing CPU to hw/ppc/
m68k: move files referencing CPU to hw/m68k/
i386: move files referencing CPU to hw/i386/
arm: move files referencing CPU to hw/arm/
hw: move boards and other isolated files to hw/ARCH
ppc: express FDT dependency of pSeries and e500 boards via default-configs/
build: always link device_tree.o into emulators if libfdt available
hw: include hw header files with full paths
ppc: do not use ../ in include files
vt82c686: vt82c686 is not a PCI host bridge
virtio-9p: remove PCI dependencies from hw/9pfs/
virtio-9p: use CONFIG_VIRTFS, not CONFIG_LINUX
hw: move device-hotplug.o to toplevel, compile it once
hw: move qdev-monitor.o to toplevel directory
hw: move fifo.[ch] to libqemuutil
hw: move char backends to backends/
Conflicts:
backends/baum.c
backends/msmouse.c
hw/a15mpcore.c
hw/arm/Makefile.objs
hw/arm/pic_cpu.c
hw/dataplane/event-poll.c
hw/dataplane/virtio-blk.c
include/char/baum.h
include/char/msmouse.h
qemu-char.c
vl.c
Resolve conflicts caused by header movements.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The value is not actually live across basic blocks, so there's no
need for the local property. This eliminates storing the temporary
to its home location at the branch.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
