This reverts commit 830d70db69.
The interface isn't fully backwards-compatible, which is bad.
Let's redo this properly after 2.4.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
RHEL7 and others are stuck with libiscsi 1.9.0 since there
unfortunately was an ABI breakage after that release.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1435313881-19366-1-git-send-email-pl@kamp.de
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
libiscsi starting with 1.15 will properly support timeout of iscsi
commands. The default will remain no timeout, but this can
be changed via cmdline parameters, e.g.:
qemu -iscsi timeout=30 -drive file=iscsi://...
If a timeout occurs a reconnect is scheduled and the timed out command
will be requeued for processing after a successful reconnect.
The required API call iscsi_set_timeout is present since libiscsi
1.10 which was released in October 2013. However, due to some bugs
in the libiscsi code the use is not recommended before version 1.15.
Please note that this patch bumps the libiscsi requirement to 1.10
to have all function and macros defined. The patch fixes also a
off-by-one error in the NOP timeout calculation which was fixed
while touching these code parts.
Signed-off-by: Peter Lieven <pl@kamp.de>
Message-id: 1434455107-19328-1-git-send-email-pl@kamp.de
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add UHI semihosting support for MIPS. QEMU run with "-semihosting" option
will alter the behaviour of SDBBP 1 instruction -- UHI operation will be
called instead of generating a debug exception.
Also tweak Malta's pseudo-bootloader. On CPU reset the $4 register is set
to -1 if semihosting arguments are passed to indicate that the UHI
operations should be used to obtain input arguments.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Doesn't appear to make a difference, but let's use it consistently.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Recent commit 3751d7c "vl: allow full-blown QemuOpts syntax for
-global" overloaded its existing argument syntax DRIVER.PROP=VALUE
with QemuOpts syntax. Unambigious as long as no DRIVER contains '='.
Its documentation claims that "the two syntaxes are equivalent."
Improve it to spell out how exactly the old syntax gets desugared into
the new one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* Changes to name string ownership for alias properties
* Improvements around enum properties
* Cleanups around -object handling
* New helper functions
* Cleanups of qdev init helper functions
* Add path argument to qom-tree script
* QTest cleanup to use new qtest_add_data_func() consistently
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Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging
QOM infrastructure fixes and device conversions
* Changes to name string ownership for alias properties
* Improvements around enum properties
* Cleanups around -object handling
* New helper functions
* Cleanups of qdev init helper functions
* Add path argument to qom-tree script
* QTest cleanup to use new qtest_add_data_func() consistently
# gpg: Signature made Fri Jun 19 18:14:38 2015 BST using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg: aka "Andreas Färber <afaerber@suse.com>"
* remotes/afaerber/tags/qom-devices-for-peter:
qdev: Un-deprecate qdev_init_nofail()
qdev: Deprecated qdev_init() is finally unused, drop
qom: Don't pass string table to object_get_enum() function
qom: Add an object_property_add_enum() helper function
qom: Make enum string tables const-correct
qom: Add object_new_with_props() / object_new_withpropv() helpers
qom: Add helper function for getting user objects root
vl: Create (most) objects before creating chardev backends
doc: Document user creatable object types in help text
backends: Fix typename of 'policy' enum property in hostmem obj
scripts: Add support for path as argument of qom-tree
tests: Use qtest_add_data_func() consistently
qdev: Free property names after registering gpio aliases
qom: strdup() target property name on object_property_add_alias()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The QEMU help for -object is essentially useless, just giving users
the generic syntax. Move it down into its own section and introduce
a nested table where each user creatable object can be documented.
The existing memory-backend-file, rng-random and rng-egd object
types are documented.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Add new "arg" sub-argument to the --semihosting-config allowing the user
to pass multiple input arguments separately. It is required for example
by UHI semihosting to construct argc and argv.
Also, update ARM semihosting to support new option (at the moment it is
the only target which cares about arguments).
If the semihosting is enabled and no semihosting args have been specified,
then fall back to -kernel/-append. The -append string is split on whitespace
before initializing semihosting.argv[1..n]; this is different from what
QEMU MIPS machines' pseudo-bootloaders do (i.e. argv[1] contains the whole
-append), but is more intuitive from UHI user's point of view and Linux
kernel just does not care as it concatenates argv[1..n] into single cmdline
string anyway.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Message-id: 1434643256-16858-3-git-send-email-leon.alrae@imgtec.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The throttle group support use a cooperative round robin scheduling
algorithm.
The principles of the algorithm are simple:
- Each BDS of the group is used as a token in a circular way.
- The active BDS computes if a wait must be done and arms the right
timer.
- If a wait must be done the token timer will be armed so the token
will become the next active BDS.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: f0082a86f3ac01c46170f7eafe2101a92e8fde39.1433779731.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Some convinience fluff: Add support for '-vga virtio', also add
virtio-vga to the list of vga cards so '-device virtio-vga' will
turn off the default vga.
Written by Dave Airlie and Gerd Hoffmann.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch introduces a new diag288 watchdog device that will, just like
other watchdogs, monitor a guest and take corresponding actions when it
detects that the guest is not responding.
diag288 is s390x specific. The wiring to s390x KVM will be done in
separate patches.
Signed-off-by: Xu Wang <gesaint@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[split out qemu-option.hx base changes]
We will introduce a new watchdog for s390x. Lets adopt
qemu-options.hx to allow more watchdog devices.
Signed-off-by: Xu Wang <gesaint@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[split out qemu-option.hx base changes]
Allow user supplied files to be inserted into the fw_cfg
device before starting the guest. Since fw_cfg_add_file()
already disallows duplicate fw_cfg file names, qemu will
exit with an error message if the user supplies multiple
blobs with the same fw_cfg file name, or if a blob name
collides with a fw_cfg name programmatically added from
within the QEMU source code. A warning message will be
printed if the fw_cfg item name does not begin with the
prefix "opt/", which is recommended for external, user
provided blobs.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* CONFIG_PARALLEL fix from Mirek
* Atomic/optimized dirty bitmap access from myself and Stefan
* BUILD_DIR convenience/bugfix from Peter C
* Memory leak fix from Shannon
* SMM improvements (though still TCG only) from myself and Gerd, acked by mst
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* KVM error improvement from Laurent
* CONFIG_PARALLEL fix from Mirek
* Atomic/optimized dirty bitmap access from myself and Stefan
* BUILD_DIR convenience/bugfix from Peter C
* Memory leak fix from Shannon
* SMM improvements (though still TCG only) from myself and Gerd, acked by mst
# gpg: Signature made Fri Jun 5 18:45:20 2015 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (62 commits)
update Linux headers from kvm/next
atomics: add explicit compiler fence in __atomic memory barriers
ich9: implement SMI_LOCK
q35: implement TSEG
q35: add test for SMRAM.D_LCK
q35: implement SMRAM.D_LCK
q35: add config space wmask for SMRAM and ESMRAMC
q35: fix ESMRAMC default
q35: implement high SMRAM
hw/i386: remove smram_update
target-i386: use memory API to implement SMRAM
hw/i386: add a separate region that tracks the SMRAME bit
target-i386: create a separate AddressSpace for each CPU
vl: run "late" notifiers immediately
qom: add object_property_add_const_link
vl: allow full-blown QemuOpts syntax for -global
pflash_cfi01: add secure property
pflash_cfi01: change to new-style MMIO accessors
pflash_cfi01: change big-endian property to BIT type
target-i386: wake up processors that receive an SMI
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
As of commit 076b35b5a (machine: add default_ram_size to machine
class) we no longer have a global default ram size, but instead
machine specific defaults. When invoking qemu --help we don't know
which machine you selected, so we can't tell the user the default RAM
size in the help text anymore now.
Thus I don't see an easy way to expose the default ram size to the
user in the help text. The easiest option IMHO is to just drop this
piece of information.
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Acked-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Message-id: 1433495103-62084-1-git-send-email-agraf@suse.de
[PMM: rewrapped long commit message lines]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-global does not work for drivers that have a dot in their name, such as
cfi.pflash01. This is just a parsing limitation, because such globals
can be declared easily inside a -readconfig file.
To allow this usage, support the full QemuOpts key/value syntax for -global
too, for example "-global driver=cfi.pflash01,property=secure,value=on".
The two formats do not conflict, because the key/value syntax does not have
a period before the first equal sign.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The 'sleep' parameter sets the icount_sleep mode, which is enabled by
default. To disable it, add the 'sleep=no' parameter (or 'nosleep') to the
qemu -icount option.
Signed-off-by: Victor CLEMENT <victor.clement@openwide.fr>
Message-Id: <1432912446-9811-3-git-send-email-victor.clement@openwide.fr>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The help/man text for
-incoming defer
didn't make it through the merge of the code that implemented it.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Based on patch by Nikolay Nikolaev:
Vhost-user will implement the multi queue support in a similar way
to what vhost already has - a separate thread for each queue.
To enable the multi queue functionality - a new command line parameter
"queues" is introduced for the vhost-user netdev.
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Introduce a preliminary framework in virt-acpi-build.c with the main
ACPI build functions. It exposes the generated ACPI contents to
guest over fw_cfg.
The required ACPI v5.1 tables for ARM are:
- RSDP: Initial table that points to XSDT
- RSDT: Points to FADT GTDT MADT tables
- FADT: Generic information about the machine
- GTDT: Generic timer description table
- MADT: Multiple APIC description table
- DSDT: Holds all information about system devices/peripherals, pointed by FADT
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 1432522520-8068-5-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Looking at the output of "qemu-system-xxx -help", you easily get
the impression that "-net" is the preferred way instead of "-netdev"
to specify host network interface, since the "-net" option is
omnipresent but the "-netdev" option is only listed as a one-liner
at the end. This is ugly since "-net" is considered as legacy and
even might be removed one day. Thus, this patch switches the output
to explain the host network interfaces with the "-netdev" option
instead, moving the old "-net" option into some few lines at
the end.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1431701904-12230-1-git-send-email-thuth@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Raise your hand if you have a physical floppy drive in a computer
you've powered on in 2015. Okay, I see we got a few weirdos in the
audience. That's okay, weirdos are welcome here.
Kidding aside, media change detection doesn't fully work, isn't going
to be fixed, and floppy passthrough just isn't earning its keep
anymore.
Deprecate block driver host_floppy now, so we can drop it after a
grace period.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
We now always send a JSON blob describing the migration file format as part
of the migration stream. However, some tools built around QEMU have proven
to stumble over this.
This patch gives the user the chance to disable said self-describing part of
the migration stream. To disable vmdesc submission, just add
-machine suppress-vmdesc=on
to your QEMU command line.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Check for the aes_key_wrap and dea_key_wrap machine options and set the
appropriate KVM device attribute(s) to tell the kernel to enable or disable
the AES/DEA protected key functions for the guest domain.
This patch introduces two new machine options for indicating the state of
AES/DEA key wrapping functions. This controls whether the guest will
have access to the AES/DEA crypto functions.
aes_key_wrap="on | off" is changed to aes-key-wrap="on | off"
dea_key_wrap="on | off" is changed to dea-key-wrap="on | off"
Check for the aes-key-wrap and dea-key-wrap machine options and set the
appropriate KVM device attribute(s) to tell the kernel to enable or disable
the AES/DEA protected key functions for the guest domain.
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1426164834-38648-4-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Add memory hotplug options to the command-line format. Also,
add a complete command-line example and improve description.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paulo Vital <paulo.vital@profitbricks.com>
Teach qemu to set up a Spice server with a UNIX socket using the
following arguments -spice unix,addr=path.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* pass semihosting exit code out to system
* more TrustZone support code (still not enabled yet)
* allow user to direct semihosting to gdb or native explicitly
rather than always auto-guessing the destination
* fix memory leak in realview_init
* fix coverity warning in hw/arm/boot
* get state migration working for AArch64 CPUs
* check errors in kvm_arm_reset_vcpu
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20141211' into staging
target-arm queue:
* pass semihosting exit code out to system
* more TrustZone support code (still not enabled yet)
* allow user to direct semihosting to gdb or native explicitly
rather than always auto-guessing the destination
* fix memory leak in realview_init
* fix coverity warning in hw/arm/boot
* get state migration working for AArch64 CPUs
* check errors in kvm_arm_reset_vcpu
# gpg: Signature made Thu 11 Dec 2014 12:16:19 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20141211: (33 commits)
target-arm: Check error conditions on kvm_arm_reset_vcpu
target-arm: Support save/load for 64 bit CPUs
target-arm/kvm: make reg sync code common between kvm32/64
arm_gic_kvm: Tell kernel about number of IRQs
hw/arm/boot: fix uninitialized scalar variable warning reported by coverity
hw/arm/realview.c: Fix memory leak in realview_init()
target-arm: make MAIR0/1 banked
target-arm: make c13 cp regs banked (FCSEIDR, ...)
target-arm: make VBAR banked
target-arm: make PAR banked
target-arm: make IFAR/DFAR banked
target-arm: make DFSR banked
target-arm: make IFSR banked
target-arm: make DACR banked
target-arm: make TTBCR banked
target-arm: make TTBR0/1 banked
target-arm: make CSSELR banked
target-arm: respect SCR.FW, SCR.AW and SCTLR.NMFI
target-arm: add SCTLR_EL3 and make SCTLR banked
target-arm: add MVBAR support
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The usual semihosting behaviour is to process the system calls locally and
return; unfortuantelly the initial implementation dinamically changed the
target to GDB during debug sessions, which, for the usual arm-none-eabi-gdb,
is not implemented. The result was that during debug sessions the semihosting
calls were discarded.
This patch adds a configuration variable and an option to set it on the
command line:
-semihosting-config [enable=on|off,]target=native|gdb|auto
This option enables semihosting and defines where the semihosting calls will
be addressed, to QEMU ('native') or to GDB ('gdb'). The default is auto, which
means 'gdb' during debug sessions and 'native' otherwise.
Signed-off-by: Liviu Ionescu <ilg@livius.net>
Message-id: 1416341957-9796-1-git-send-email-ilg@livius.net
[PMM: moved declaration and definition of semihosting_target to
gdbstub.h and gdbstub.c to fix build failure on linux-user]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a command line option for adding a QMP monitor using pretty JSON
formatting.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
c/s 9b23cfb76b
or
c/s b154537ad0
moved the testing of xen_enabled() from pc_init1() to
pc_machine_initfn().
xen_enabled() does not return the correct value in
pc_machine_initfn().
Changed vmport from a bool to an enum. Added the value "auto" to do
the old way. Move check of xen_enabled() back to pc_init1().
Acked-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Don Slutz <dslutz@verizon.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is a pc & q35 only machine opt.
VMWare apparently doesn't like running under QEMU due to our
incomplete emulation of it's special IO Port. This adds a
pc & q35 property to allow it to be turned off.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Don Slutz <dslutz@verizon.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 6d32717 "aio / timers: Remove alarm timers" has issues:
1. It silently ignores -clock for backward compatibility.
Incompatible change: -clock help no longer terminates the program.
Tolerable.
2. Failed to update option documentation. In particular, -help still
advises users to try -clock help for available timers. Drop all
documentation on -clock.
3. The 'query-alarm-clock' example in docs/writing-commands.txt no
longer works, and needs to be redone. Can't do that right now, so I
just stick in a FIXME.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Adds a "reconnect" option to socket backends that gives a reconnect
timeout. This only applies to client sockets. If the other end
of a socket closes the connection, qemu will attempt to reconnect
after the given number of seconds.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
A bunch of bugfixes - these will make sense for 2.1.1
Initial Intel IOMMU support.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc fixes, features
A bunch of bugfixes - these will make sense for 2.1.1
Initial Intel IOMMU support.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 02 Sep 2014 16:05:04 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream:
vhost_net: start/stop guest notifiers properly
pci: avoid losing config updates to MSI/MSIX cap regs
virtio-net: don't run bh on vm stopped
ioh3420: remove unused ioh3420_init() declaration
vhost_net: cleanup start/stop condition
intel-iommu: add IOTLB using hash table
intel-iommu: add context-cache to cache context-entry
intel-iommu: add supports for queued invalidation interface
intel-iommu: fix coding style issues around in q35.c and machine.c
intel-iommu: add Intel IOMMU emulation to q35 and add a machine option "iommu" as a switch
intel-iommu: add DMAR table to ACPI tables
intel-iommu: introduce Intel IOMMU (VT-d) emulation
iommu: add is_write as a parameter to the translate function of MemoryRegionIOMMUOps
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1. s390x/kvm: avoid synchronize_rcu's in kernel
----------------------------------------------
The first patches change s390x/kvm code to issue VCPU specific ioctls
from the VCPU thread. This will avoid unnecessary synchronize_rcu in
the kernel, which caused a noticably slowdown with many guest CPUs.
It speeds up all start/restart/reset operations involving cpus
drastically.
2. s390-ccw.img: block size and DASD format support
---------------------------------------------------
The second part changes the s390-ccw bios to IPL (boot) more disk
formats than before. Furthermore a small fix is made to the console
output of the bios.
3. s390: Support for Hotplug of Standby Memory
----------------------------------------------
The third part adds support in s390 for a pool of standby memory,
which can be set online/offline by the guest (ie, via chmem).
The standby pool of memory is allocated as the difference between
the initial memory setting and the maxmem setting.
As part of this work, additional results are provided for the
Read SCP Information SCLP, and new implentation is added for the
Read Storage Element Information, Attach Storage Element,
Assign Storage and Unassign Storage SCLPs, which enables the s390
guest to manipulate the standby memory pool.
This patchset is based on work originally done by Jeng-Fang (Nick)
Wang.
Sample qemu command snippet:
qemu -machine s390-ccw-virtio -m 1024M,maxmem=2048M,slots=32 -enable-kvm
This will allocate 1024M of active memory, and another 1024M
of standby memory. Example output from s390-tools lsmem:
=============================================================================
0x0000000000000000-0x000000000fffffff 256 online no 0-127
0x0000000010000000-0x000000001fffffff 256 online yes 128-255
0x0000000020000000-0x000000003fffffff 512 online no 256-511
0x0000000040000000-0x000000007fffffff 1024 offline - 512-1023
Memory device size : 2 MB
Memory block size : 256 MB
Total online memory : 1024 MB
Total offline memory: 1024 MB
The guest can dynamically enable part or all of the standby pool
via the s390-tools chmem, for example:
chmem -e 512M
And can attempt to dynamically disable:
chmem -d 512M
4. s390x/gdb: various fixes
---------------------------
* Patch 1 fixes a bug where the cc was changed accidentally.
* Patch 2 adds the gdb feature XML files for s390x
* Patch 3 Define acr and fpr registers as coprocessor registers. This allows us
to reuse the feature XML files.
* Patch 4 whitespace fixes
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Merge remote-tracking branch 'remotes/borntraeger/tags/kvm-s390-20140901' into staging
s390x/kvm: Several updates/fixes/features
1. s390x/kvm: avoid synchronize_rcu's in kernel
----------------------------------------------
The first patches change s390x/kvm code to issue VCPU specific ioctls
from the VCPU thread. This will avoid unnecessary synchronize_rcu in
the kernel, which caused a noticably slowdown with many guest CPUs.
It speeds up all start/restart/reset operations involving cpus
drastically.
2. s390-ccw.img: block size and DASD format support
---------------------------------------------------
The second part changes the s390-ccw bios to IPL (boot) more disk
formats than before. Furthermore a small fix is made to the console
output of the bios.
3. s390: Support for Hotplug of Standby Memory
----------------------------------------------
The third part adds support in s390 for a pool of standby memory,
which can be set online/offline by the guest (ie, via chmem).
The standby pool of memory is allocated as the difference between
the initial memory setting and the maxmem setting.
As part of this work, additional results are provided for the
Read SCP Information SCLP, and new implentation is added for the
Read Storage Element Information, Attach Storage Element,
Assign Storage and Unassign Storage SCLPs, which enables the s390
guest to manipulate the standby memory pool.
This patchset is based on work originally done by Jeng-Fang (Nick)
Wang.
Sample qemu command snippet:
qemu -machine s390-ccw-virtio -m 1024M,maxmem=2048M,slots=32 -enable-kvm
This will allocate 1024M of active memory, and another 1024M
of standby memory. Example output from s390-tools lsmem:
=============================================================================
0x0000000000000000-0x000000000fffffff 256 online no 0-127
0x0000000010000000-0x000000001fffffff 256 online yes 128-255
0x0000000020000000-0x000000003fffffff 512 online no 256-511
0x0000000040000000-0x000000007fffffff 1024 offline - 512-1023
Memory device size : 2 MB
Memory block size : 256 MB
Total online memory : 1024 MB
Total offline memory: 1024 MB
The guest can dynamically enable part or all of the standby pool
via the s390-tools chmem, for example:
chmem -e 512M
And can attempt to dynamically disable:
chmem -d 512M
4. s390x/gdb: various fixes
---------------------------
* Patch 1 fixes a bug where the cc was changed accidentally.
* Patch 2 adds the gdb feature XML files for s390x
* Patch 3 Define acr and fpr registers as coprocessor registers. This allows us
to reuse the feature XML files.
* Patch 4 whitespace fixes
# gpg: Signature made Mon 01 Sep 2014 12:53:39 BST using RSA key ID B5A61C7C
# gpg: Can't check signature: public key not found
* remotes/borntraeger/tags/kvm-s390-20140901:
s390x/gdb: coding style fixes
s390x/gdb: generate target.xml and handle fp/ac as coprocessors
s390x/gdb: add the feature xml files for s390x
s390x/gdb: don't touch the cc if tcg is not enabled
sclp-s390: Add memory hotplug SCLPs
s390-virtio: Apply same memory boundaries as virtio-ccw
virtio-ccw: Include standby memory when calculating storage increment
sclp-s390: Add device to manage s390 memory hotplug
pc-bios/s390-ccw.img binary update
pc-bios/s390-ccw: Do proper console setup
pc-bios/s390-ccw: IPL from DASD with format variations
pc-bios/s390-ccw Really big EAV ECKD DASD handling
pc-bios/s390-ccw Improve ECKD informational message
pc-bios/s390-ccw: handle more ECKD DASD block sizes
pc-bios/s390-ccw: support all virtio block size
s390x/kvm: execute the first cpu reset on the vcpu thread
s390x/kvm: execute "system reset" cpu resets on the vcpu thread
s390x/kvm: execute sigp orders on the target vcpu thread
s390x/kvm: run guest triggered resets on the target vcpu thread
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When determining the memory increment size, use the maxmem size if
it was specified.
Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
In order to access VMware ESX efficiently, we need to send a session
cookie. This patch is very simple and just allows you to send that
session cookie. It punts on the question of how you get the session
cookie in the first place, but in practice you can just run a `curl'
command against the server and extract the cookie that way.
To use it, add file.cookie to the curl URL. For example:
$ qemu-img info 'json: {
"file.driver":"https",
"file.url":"https://vcenter/folder/Windows%202003/Windows%202003-flat.vmdk?dcPath=Datacenter&dsName=datastore1",
"file.sslverify":"off",
"file.cookie":"vmware_soap_session=\"52a01262-bf93-ccce-d379-8dabb3e55560\""}'
image: [...]
file format: raw
virtual size: 8.0G (8589934592 bytes)
disk size: unavailable
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The curl hardcoded timeout (5 seconds) sometimes is not long
enough depending on the remote server configuration and network
traffic. The user should be able to set how much long he is
willing to wait for the connection.
Adding a new option to set this timeout gives the user this
flexibility. The previous default timeout of 5 seconds will be
used if this option is not present.
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
Reviewed-by: Benoit Canet <benoit.canet@nodalink.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add Intel IOMMU emulation to q35 chipset and expose it to the guest.
1. Add a machine option. Users can use "-machine iommu=on|off" in the command
line to enable/disable Intel IOMMU. The default is off.
2. Accroding to the machine option, q35 will initialize the Intel IOMMU and
use pci_setup_iommu() to setup q35_host_dma_iommu() as the IOMMU function for
the pci bus.
3. q35_host_dma_iommu() will return different address space according to the
bus_num and devfn of the device.
Signed-off-by: Le Tan <tamlokveer@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request
# gpg: Signature made Fri 15 Aug 2014 18:04:23 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request: (55 commits)
qcow2: fix new_blocks double-free in alloc_refcount_block()
image-fuzzer: Reduce number of generator functions in __init__
image-fuzzer: Add generators of L1/L2 tables
image-fuzzer: Add fuzzing functions for L1/L2 table entries
docs: Expand the list of supported image elements with L1/L2 tables
image-fuzzer: Public API for image-fuzzer/runner/runner.py
image-fuzzer: Generator of fuzzed qcow2 images
image-fuzzer: Fuzzing functions for qcow2 images
image-fuzzer: Tool for fuzz tests execution
docs: Specification for the image fuzzer
ide: only constrain read/write requests to drive size, not other types
virtio-blk: Correct bug in support for flexible descriptor layout
libqos: Change free function called in malloc
libqos: Correct mask to align size to PAGE_SIZE in malloc-pc
libqtest: add QTEST_LOG for debugging qtest testcases
ide: Fix segfault when flushing a device that doesn't exist
qemu-options: add missing -drive discard option to cmdline help
parallels: 2TB+ parallels images support
parallels: split check for parallels format in parallels_open
parallels: replace tabs with spaces in block/parallels.c
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
