valgrind complains about a memory leak in irq setup of sclpconsole:
==42117== 8 bytes in 1 blocks are definitely lost in loss record 89of 833
==42117== at 0x4031AFE: malloc (vg_replace_malloc.c:292)
==42117== by 0x8022F855: malloc_and_trace (vl.c:2715)
==42117== by 0x4145569: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==42117== by 0x800F696D: qemu_extend_irqs (irq.c:51)
==42117== by 0x800F6AF7: qemu_allocate_irqs (irq.c:68)
==42117== by 0x800F5685: console_init (sclpconsole.c:235)
==42117== by 0x80297C79: event_realize (event-facility.c:386)
==42117== by 0x80105071: device_set_realized (qdev.c:693)
==42117== by 0x801CDC4B: property_set_bool (object.c:1337)
==42117== by 0x801CBD7F: object_property_set (object.c:819)
[...]
We dont need the indirection of an qemu irq to inject an slcp interrupt.
Fixes a valgrind error and makes the code simpler.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
valgrind complains about a memory leak in irq setup of sclpconsole:
==42117== 8 bytes in 1 blocks are definitely lost in loss record 89 of 833
==42117== at 0x4031AFE: malloc (vg_replace_malloc.c:292)
==42117== by 0x8022F855: malloc_and_trace (vl.c:2715)
==42117== by 0x4145569: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==42117== by 0x800F696D: qemu_extend_irqs (irq.c:51)
==42117== by 0x800F6AF7: qemu_allocate_irqs (irq.c:68)
==42117== by 0x800F5685: console_init (sclpconsole.c:235)
==42117== by 0x80297C79: event_realize (event-facility.c:386)
==42117== by 0x80105071: device_set_realized (qdev.c:693)
==42117== by 0x801CDC4B: property_set_bool (object.c:1337)
==42117== by 0x801CBD7F: object_property_set (object.c:819)
[...]
Turns out that we actually dont need the indirection, so trigger the
sclp interrupt directly.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Commit 0399a3819b (virtio-console: QOM
cast cleanup for VirtConsole) broke virtserialport since it shares
functions and state struct with virtconsole. Let virtconsole inherit
from virtserialport, and use virtserialport type for casting.
Note that virtio-serial-port is the abstract base type in
virtio-serial-bus.c, whereas virtserialport is the user-instantiatable
type in virtio-console.c. Therefore using TYPE_VIRTIO_CONSOLE_SERIAL_PORT.
Reported-by: Richard W.M. Jones <rjones@redhat.com>
Acked-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
* QTest cleanups and test cases for PCI NICs
* NAND fix for "info qtree"
* Cleanup and extension of QOM machine tests
* IndustryPack test cases and conversion to QOM realize
* I2C cleanups
* Cleanups of legacy qdev properties
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Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging
QOM infrastructure fixes and device conversions
* QTest cleanups and test cases for PCI NICs
* NAND fix for "info qtree"
* Cleanup and extension of QOM machine tests
* IndustryPack test cases and conversion to QOM realize
* I2C cleanups
* Cleanups of legacy qdev properties
# gpg: Signature made Mon 17 Feb 2014 22:15:37 GMT 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: (49 commits)
qtest: Include system headers before user headers
qapi: Refine human printing of sizes
qdev: Use QAPI type names for properties
qdev: Add enum property types to QAPI schema
block: Handle "rechs" and "large" translation options
qdev: Remove hex8/32/64 property types
qdev: Remove most legacy printers
qdev: Use human mode in "info qtree"
qapi: Add human mode to StringOutputVisitor
qdev: Inline qdev_prop_parse()
qdev: Legacy properties are just strings
qdev: Legacy properties are now read-only
qdev: Remove legacy parsers for hex8/32/64
qdev: Sizes are now parsed by StringInputVisitor
qapi: Add size parser to StringInputVisitor
qtest: Don't segfault with invalid -qtest option
ipack: Move IndustryPack out of hw/char/
ipoctal232: QOM parent field cleanup
ipack: QOM parent field cleanup for IPackDevice
ipack: QOM parent field cleanup for IPackBus
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This was guarding against a full fifo rather than an empty fifo when
popping. Fix.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Replace them with uint8/32/64.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Move the header defining an IPackBus and IPackDevice base class into
a new include/ directory and move their implementation and a
PCI-IndustryPack bridge out of hw/char/ directory into a new hw/ipack/.
Acked-by: Alberto Garcia <agarcia@igalia.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Clean up accesses to IPOctalState::dev field and rename it.
Acked-by: Alberto Garcia <agarcia@igalia.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Rename the IPackDevice::qdev field to avoid accidental use.
Acked-by: Alberto Garcia <agarcia@igalia.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Clean up the only user of IPackBus::qbus field and rename it.
Acked-by: Alberto Garcia <agarcia@igalia.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
qemu_chr_fe_write() may return EAGAIN. Therefore, use
qemu_chr_fe_write_all().
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
qemu_chr_fe_write() is capable of returning 0
to indicate EAGAIN (and friends) and we don't
handle this.
Just change it to qemu_chr_fe_write_all() to fix.
Reported-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
* mjt/trivial-patches:
acpi unit-test: Remove temporary disk after test
mainstone: Fix duplicate array values for key 'space'
pxa27x: Add 'const' attribute to keyboard maps
pxa27x: Reduce size of keyboard matrix mapping
doc: Mention chardev:id in available devices for -serial
configure: Python tests must be done before help message
configure: Rewrite code for help message
fix -boot strict regressed in commit 6ef4716
vl: make boot_strict variable static (not used outside vl.c)
x86: only allow real mode to access 32bit without LMA
linux-user: Use macro TARGET_NSIG_WORDS where possible
exynos4210: Use macro ARRAY_SIZE where possible
ui/cocoa: Use macro ARRAY_SIZE where possible
misc: Use macro ARRAY_SIZE where possible
openrisc: Fix spelling in comment (transaltion -> translation)
hw/arm/highbank: Simplify code (memory region in device state)
Message-id: 1388182050-10270-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
If the UART back-end blocks, buffer in the Tx FIFO to try again later.
This stops the IO-thread busy waiting on char back-ends (which causes
all sorts of performance problems).
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 4bea048b3ab38425701d82ccc1ab92545c26b79c.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The can_receive logic was only taking into account the RxFIFO
occupancy. RxFIFO population is only used for the echo and normal modes
however. Improve the logic to correctly return the true number of
receivable characters based on the current mode:
Normal mode: RxFIFO vacancy.
Remote loopback: TxFIFO vacancy.
Echo mode: The min of the TxFIFO and RxFIFO vacancies.
Local Loopback: Return non-zero (to implement droppage)
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 36a58440c9ca5080151e95765c2c81342de8a8df.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This tx timer implementation is flawed. Despite the controller
attempting to time the guest visable assertion of the TX-empty status
bit (and corresponding interrupt) the controller is still transmitting
characters instantaneously. There is also no sense of multiple character
delay.
The only side effect of this timer is assertion of tx-empty status. So
just remove the timer completely and hold tx-empty as permanently
asserted (its reset status). This matches the actual behaviour of
instantaneous transmission.
While we are VMSD version bumping, add the tx_fifo as device state to
prepare for upcomming TxFIFO flow control. Implement the interrupt
generation logic for the TxFIFO occupancy.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 7a208a7eb8d79d6429fe28b1396c3104371807b2.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Some (interrupt) status register bits relating to the TxFIFO path were
not defined. Define them. This prepares support for proper Tx data path
flow control.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 2068b963f0af8cc834c353944e9fa816d950b163.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The status register bits are always pure functions of other device
state. Move the generation of these bits to the update_status()
function to simplify. Makes developing much easier as theres now no need
to recheck status bits on all the changes to rx/tx fifo state.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 321994929f789096975104f99c55732774be4cae.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This should be rechecked on bus write accesses as such accesses may
change the underlying state that generates the interrupt. Particular
relevant for when the guest touches the interrupt status or mask.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1c250cd61b7b8de492fbc8b79b8370958a56d83b.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This improves readability and simplifies the code.
Cc: Dmitry Solodkiy <d.solodkiy@samsung.com>
Cc: Evgeny Voevodin <e.voevodin@samsung.com>
Cc: Igor Mitsyanko <i.mitsyanko@gmail.com>
Cc: Maksim Kozlov <m.kozlov@samsung.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This ensures hot-unplug is handled properly by the proxy, and avoids
leaking bus_name which is freed by virtio_device_exit.
Cc: qemu-stable@nongnu.org
Acked-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Most code already used QEMUTimer without the redundant 'struct' keyword.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
In order to get devices appear in output of
"./qemu-system-ppc64 -device ?",
they must be assigned to one of DEVICE_CATEGORY_XXXX.
This puts VIO devices classes to corresponding categories.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Use of SysBusDevice::init is deprecated. Use Device::realize instead.
Also introduce TypeInfo::instance_init milkymist_uart_init().
Reported-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci, pc, acpi fixes, enhancements
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 15 Oct 2013 07:33:48 AM CEST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
* mst/tags/for_anthony: (39 commits)
ssdt-proc: update generated file
ssdt: fix PBLK length
i386: ACPI table generation code from seabios
pc: use new api to add builtin tables
acpi: add interface to access user-installed tables
hpet: add API to find it
pvpanic: add API to access io port
ich9: APIs for pc guest info
piix: APIs for pc guest info
acpi/piix: add macros for acpi property names
i386: define pc guest info
loader: allow adding ROMs in done callbacks
i386: add bios linker/loader
loader: use file path size from fw_cfg.h
acpi: ssdt pcihp: updat generated file
acpi: pre-compiled ASL files
acpi: add rules to compile ASL source
i386: add ACPI table files from seabios
q35: expose mmcfg size as a property
q35: use macro for MCFG property name
...
Message-id: 1381818560-18367-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
pci_set_irq and the other pci irq wrappers use
PCI_INTERRUPT_PIN config register to compute device
INTx pin to assert/deassert.
An irq is allocated using pci_allocate_irq wrapper
only if is needed by non pci devices.
Removed irq related fields from state if not used anymore.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
With Linux kernel version 3.3 or later, qemu fails with the following message:
sh_serial: unsupported read from 0x18
Aborted
Reported-and-analyzed-by: Rob Landley <rob@landley.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Add simple support for SCLP line-mode also known as operating
system messages. This can be added in addition to or instead of
the SCLP full screen console with -device sclplmconsole.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Currently all handlers (quiesce, console) only handle one event type.
Some drivers will handle multiple (compatible) event types. Rework the
code accordingly.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
The event_type variable is never used. Get rid of it.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Add reset() functions for event-facility, sclpconsole, and sclpquiesce.
The reset() functions perform variable initialization
at IPL and e.g. when monitor system_reset is called.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This patch adds the necessary life migration pieces to the sclp code
by using vmstate_register.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
To use VMState for migration, we need to adapt some sclp code:
- allocate console buffer as part of the console
- change semantic of sclpconsole offset fields
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
* Fix QOM and ISA documentation errors
* Extend object_initialize() et al. to check the instance size
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Merge remote-tracking branch 'afaerber/tags/qom-devices-for-anthony' into staging
QOM device refactorings
* Fix QOM and ISA documentation errors
* Extend object_initialize() et al. to check the instance size
# gpg: Signature made Fri 30 Aug 2013 02:19:48 PM CDT using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found
# By Andreas Färber (14) and others
# Via Andreas Färber
* afaerber/tags/qom-devices-for-anthony:
isa: Fix documentation of isa_register_portio_list()
qom: Assert instance size in object_initialize_with_type()
qom: Pass available size to object_initialize()
qdev: Pass size to qbus_create_inplace()
virtio-mmio: Pass size to virtio_mmio_bus_new()
virtio-ccw: Pass size to virtio_ccw_bus_new()
s390-virtio-bus: Pass size to virtio_s390_bus_new()
virtio-pci: Pass size to virtio_pci_bus_new()
usb: Pass size to usb_bus_new()
scsi: Pass size to scsi_bus_new()
pci: Pass size to pci_bus_new_inplace()
ide: Pass size to ide_bus_new()
ipack: Pass size to ipack_bus_new_inplace()
intel-hda: Pass size to hda_codec_bus_init()
qom: Fix object_initialize_with_type() argument name in documentation
virtio: Remove unnecessary OBJECT() casts
object: Fix typo in qom/object.h
A number of users are reporting stalls when using the pseries
hypervisor virtual console.
A simple test case is to paste 15 or 17 characters at a time
into the console. Pasting 15 characters at a time works fine
but pasting 17 characters hangs for a random amount of time.
Other activity (network, qemu monitor etc) unblocks it.
If qemu-char tries to send more than 16 characters at once,
vty_can_receive returns false. At this point we have to
wait for the guest to consume that output. Everything is good
so far.
The problem occurs when the the guest does consume the output.
We need to signal back to the qemu-char layer that we are
ready for more input. Without this we block until something
else kicks us (eg network activity).
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
To be passed to object_initialize().
Since commit 39355c3826 the argument is
void*, so drop some superfluous (BusState *) casts or direct parent
field usages.
Signed-off-by: Andreas Färber <afaerber@suse.de>
To be passed to qbus_create_inplace().
Simplify DEVICE() cast to avoid parent field access.
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
