Note this code is not as KISS as I would like, the reason for this is that
the Linux kernel interface wants streams on eps belonging to one interface
to be allocated in one call. Things will also work if we do this one ep at a
time (as long as all eps support the same amount of streams), but lets stick
to the kernel API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The various uas data structures are called IU-s, which is short for
Information Unit, rather then UI-s.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch mirrors a patch to the Linux uas kernel driver which I've just
submitted. It looks like the qemu uas struct definitions were taken from
the Linux kernel driver, and have inherited the same mistake.
Besides fixing the response iu struct, the patch also drops the add_info
parameter from the usb_uas_queue_response() function, it is always 0 anyways,
and expressing 3 zero-bytes as a function argument is a bit hard.
Below is the long explanation for this change taken from the kernel commit:
The response iu struct before this patch has a size of 7 bytes, which is weird
since all other iu-s are explictly padded to a multiple of 4 bytes.
Submitting a 7 byte bulk transfer to the status endpoint of a real uasp device
when expecting a response iu results in an USB babble error, as the device
actually sends 8 bytes.
Up on closer reading of the UAS spec:
http://www.t10.org/cgi-bin/ac.pl?t=f&f=uas2r00.pdf
The reason for this becomes clear, the 2 entries in "Table 17 — RESPONSE IU"
are numbered 4 and 6, looking at other iu definitions in the spec, esp.
multi-byte fields, this indicates that the ADDITIONAL RESPONSE INFORMATION
field is not a 2 byte field as one might assume at a first look, but is
a multi-byte field containing 3 bytes.
This also aligns with the SCSI Architecture Model 4 spec, which UAS is based
on which states in paragraph "7.1 Task management function procedure calls"
that the "Additional Response Information" output argument for a Task
management function procedure call is 3 bytes.
Last but not least I've verified this by sending a logical unit reset task
management call with an invalid lun to an actual uasp device, and received
back a response-iu with byte 6 being 0, and byte 7 being 9, which is the
responce code for an invalid iu, which confirms that the response code is
being reported in byte 7 of the response iu rather then in byte 6.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Disallow the guest to cause us to address the data3 and status3 arrays
out of bounds.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
It is easier to simply make the arrays one larger, rather then
substracting one everywhere.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-The correct error if we cannot find the dev is INCORRECT_LUN rather then
INVALID_INFO_UNIT
-Move the device not found check to the top so we only need to do it once
-Remove the dev->lun != lun checks, dev is returned by scsi_device_find
which searches by lun, so this will never trigger
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Regular scsi cmds should always report their status using a sense-iu, using
the sense code to report any errors.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The OS can ask the xhci controller to save and restore its
internal state, which is used by the OS when the system is
suspended and resumed.
This patch handles writes to the save + restore bits in the
command register. Only thing it does is updating the
restore error bit in the status register to signal an error
on restore. The guest OS should do a full reinitialization
after resume then.
This is the minimal patch which gets S3 going with xhci.
Implementing full save/restore support is TBD.
https://bugzilla.redhat.com/show_bug.cgi?id=1012365
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
One of the reworks of qemu's usb core made changes to usb-port's disconnect
handling. Now ports with a device will always have a non 0 dev member, but
if the device is not attached (which is possible with usb redirection),
dev->attached will be 0.
So supplement all checks for dev to also check dev->attached, and add an
extra check in a path where a device check was completely missing.
This fixes various crashes (asserts triggering) I've been seeing when xhci
attached usb devices get disconnected at the wrong time.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The default granularity for the FIT timer on 440 is on every 0x1000th
transition of TB from 0 to 1. Translated that means 48828 times a second.
Since interrupts are quite expensive for 440 and we don't really care
about the accuracy of the FIT to that significance, let's force FIT and
WDT to at best millisecond granularity.
This basically restores behavior as it was in QEMU 1.6, where timers
could only deal with millisecond granularities at all.
This patch greatly improves performance with the 440 target and restores
roughly the same performance level that QEMU 1.6 had for me.
Signed-off-by: Alexander Graf <agraf@suse.de>
Message-id: 1385416015-22775-3-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Today we fire FIT and WDT timer events every time the respective bit
position in TB flips from 0 -> 1.
However, there is no need to do this if the end result would be that
we're changing a TSR bit that is set to 1 to 1 again. No guest visible
change would have occured.
So whenever we see that the TSR bit to our timer is already set, don't
even bother to update the timer that would potentially fire it off.
However, we do need to make sure that we update our timer that notifies
us of the TB flip when the respective TSR bit gets unset. In that case
we do care about the flip and need to notify the guest again. So add
a callback into our timer handlers when TSR bits get unset.
This improves performance for me when the guest is busy processing things.
Signed-off-by: Alexander Graf <agraf@suse.de>
Message-id: 1385416015-22775-2-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
glib < 2.22 does not have g_array_get_element_size,
limit it's use (to check all elements are 1 byte
in size) to newer glib.
This fixes build on RHEL 5.3.
Reported-by: Richard Henderson <rth@redhat.com>
Reported-by: Erik Rull <erik.rull@rdsoftware.de>
Tested-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20131125220039.GA16386@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This has a fix for a crasher bug with pci bridges,
boot failure fix for s390 on 32 bit hosts,
and fixes build for hosts with old glib.
There's also a fix for --iasl configure flag - it can be used
to work around broken iasl on some systems either
by using a non-standard iasl or by disabling it.
I've also reverted a e1000/rtl mac programming change
that seems slightly wrong and too risky for 1.8.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pc very last minute fixes for 1.7
This has a fix for a crasher bug with pci bridges,
boot failure fix for s390 on 32 bit hosts,
and fixes build for hosts with old glib.
There's also a fix for --iasl configure flag - it can be used
to work around broken iasl on some systems either
by using a non-standard iasl or by disabling it.
I've also reverted a e1000/rtl mac programming change
that seems slightly wrong and too risky for 1.8.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 25 Nov 2013 03:40:07 AM PST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (5) and Bandan Das (1)
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
configure: make --iasl option actually work
Revert "e1000/rtl8139: update HMP NIC when every bit is written"
acpi-build: fix build on glib < 2.14
acpi-build: fix build on glib < 2.22
pci: unregister vmstate_pcibus on unplug
s390x: fix flat file load on 32 bit systems
Message-id: 1385379990-32093-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
were getting forgotten or that did not have a clear maintainer responsible
for making a pull request.
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Merge remote-tracking branch 'bonzini/tags/for-anthony' into staging
Here are a bunch of 1.7-tagged patches that I was afraid
were getting forgotten or that did not have a clear maintainer responsible
for making a pull request.
# gpg: Signature made Thu 21 Nov 2013 08:40:59 AM PST using RSA key ID 9B4D86F2
# gpg: Can't check signature: public key not found
# By Peter Maydell (3) and others
# Via Paolo Bonzini
* bonzini/tags/for-anthony:
qga: Fix compiler warnings (missing format attribute, wrong format strings)
mips jazz: do not raise data bus exception when accessing invalid addresses
target-i386: yield to another VCPU on PAUSE
rng-egd: offset the point when repeatedly read from the buffer
rng-egd: remove redundant free
target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid()
vfio-pci: Fix multifunction=on
atomic.h: Fix build with clang
pc: get rid of builtin pvpanic for "-M pc-1.5"
configure: Explicitly set ARFLAGS so we can build with GNU Make 4.0
sun4m: Add FCode ROM for TCX framebuffer
Message-id: 1385052578-32352-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
It is currently possible to specify things like:
-device e1000,netdev=foo,vlan=1
With this usage, whichever argument was specified last (vlan or netdev)
overwrites what was previousely set and results in a non-working
configuration. Even worse, when used with multiqueue devices,
it causes a segmentation fault on exit in qemu_free_net_client.
That patch treates the above command line options as invalid and
generates an error at start-up.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
MIPS Jazz chipset doesn't seem to raise data bus exceptions on invalid accesses.
However, there is no easy way to prevent them. Creating a big memory region
for the whole address space doesn't prevent memory core to directly call
unassigned_mem_read/write which in turn call cpu->do_unassigned_access,
which (for MIPS CPU) raise an data bus exception.
This fixes a MIPS Jazz regression introduced in c658b94f6e.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When an assigned device is initialized it copies the device config
space into the emulated config space. Unfortunately multifunction is
setup prior to the device initfn and gets clobbered. We need to
restore it just like pci-assign does.
Cc: qemu-stable@nongnu.org
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This causes two slight backwards-incompatibilities between "-M pc-1.5"
and 1.5's "-M pc":
(1) a fw_cfg file is removed with this patch. This is only a problem
if migration stops the virtual machine exactly during fw_cfg enumeration.
(2) after migration, a VM created without an explicit "-device pvpanic"
will stop reporting panics to management.
The first problem only occurs if migration is done at a very, very
early point (and I'm not sure it can happen in practice for reasonable-size
VMs, since it will likely take more time to send the RAM to destination,
than it will take for BIOS to scan fw_cfg).
The second problem only occurs if the guest panics _and_ has a guest
driver _and_ management knows to look at the crash event, so it is
mostly theoretical at this point in time.
Thus keep the code simple, and pretend it was never broken.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Upstream OpenBIOS now implements SBus probing in order to determine the
contents of a physical bus slot, which is required to allow OpenBIOS to
identify the framebuffer without help from the fw_cfg interface.
SBus probing works by detecting the presence of an FCode program
(effectively tokenised Forth) at the base address of each slot, and if
present executes it so that it creates its own device node in the
OpenBIOS device tree.
The FCode ROM is generated as part of the OpenBIOS build and should
generally be updated at the same time.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: Blue Swirl <blauwirbel@gmail.com>
CC: Bob Breuer <breuerr@mc.net>
CC: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When an assigned device is initialized it copies the device config
space into the emulated config space. Unfortunately multifunction is
setup prior to the device initfn and gets clobbered. We need to
restore it just like pci-assign does.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Bandan Das <bsd@redhat.com>
Message-id: 20131112185059.7262.33780.stgit@bling.home
Cc: qemu-stable@nongnu.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
MIPS Jazz chipset doesn't seem to raise data bus exceptions on invalid accesses.
However, there is no easy way to prevent them. Creating a big memory region
for the whole address space doesn't prevent memory core to directly call
unassigned_mem_read/write which in turn call cpu->do_unassigned_access,
which (for MIPS CPU) raise an data bus exception.
This fixes a MIPS Jazz regression introduced in c658b94f6e.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-id: 1383603977-7003-1-git-send-email-hpoussin@reactos.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
If period is assigned to 0, limit timer will expire immediately.
It causes a qemu warning:
"main-loop: WARNING: I/O thread spun for 1000 iterations"
This limit is meaningless. This patch forbids to assign 0 to period.
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Message-id: 1385031203-23790-1-git-send-email-akong@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
pc-bios/s390-zipl.rom is a flat image so it's expected that
loading it as elf will fail.
It should fall back on loading a flat file, but doesn't
on 32 bit systems, instead it fails printing:
qemu: hardware error: could not load bootloader 's390-zipl.rom'
The result is boot failure.
The reason is that a 64 bit unsigned interger which is set
to -1 on error is compared to -1UL which on a 32 bit system
with gcc is a 32 bit unsigned interger.
Since both are unsigned, no sign extension takes place and
comparison evaluates to non-equal.
There's no reason to do clever tricks: all functions
we call actually return int so just use int.
And then we can use == -1 everywhere, consistently.
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20131121133426.GA30827@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
g_array_get_element_size was only added in glib 2.14.
Fortunately we don't use it for any arrays where
element size is > 1, so just add an assert.
Reported-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1385036128-8753-2-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
g_string_vprintf was only introduced in 2.24 so switch to vsnprintf
instead. A bit uglier but name size is fixed at 4 bytes here so it's
easy.
Reported-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1385036128-8753-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Jan Kiszka (1) and others
# Via Gleb Natapov
* qemu-kvm/uq/master:
kvm: Fix uninitialized cpuid_data
pci-assign: Remove dead code for direct I/O region access from userspace
KVM: x86: fix typo in KVM_GET_XCRS
Message-id: cover.1385040432.git.gleb@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This reverts commit cd5be5829c.
Digging into hardware specs shows this does not
actually make QEMU behave more like hardware:
There are valid arguments backed by the spec to indicate why the version
of e1000 prior to cd5be582 was more correct: the high byte actually
includes a valid bit, this is why all guests write it last.
For rtl8139 there's actually a separate undocumented valid bit, but we
don't implement it yet.
To summarize all the drivers we know about behave in one way
that allows us to make an assumption about write order and avoid
spurious, incorrect mac address updates to the monitor.
Let's stick to the tried heuristic for 1.7 and
possibly revisit for 1.8.
Reported-by: Vlad Yasevich <vyasevic@redhat.com>
Reviewed-by: Vlad Yasevich <vyasevic@redhat.com>
Cc: Amos Kong <akong@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
g_array_get_element_size was only added in glib 2.14,
there's no way to find element size in with an older glib.
Fortunately we only use a single table (linker) where element size > 1.
Switch element size to 1 everywhere, then we can just look at len field
to get table size in bytes.
Add an assert to make sure we catch any violations of this rule.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reported-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
g_string_vprintf was only introduced in 2.24 so switch to vsnprintf
instead. A bit uglier but name size is fixed at 4 bytes here so it's
easy.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reported-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
PCIBus registers a vmstate during init. Unregister it upon
removal/unplug.
Signed-off-by: Bandan Das <bsd@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pc-bios/s390-zipl.rom is a flat image so it's expected that
loading it as elf will fail.
It should fall back on loading a flat file, but doesn't
on 32 bit systems, instead it fails printing:
qemu: hardware error: could not load bootloader 's390-zipl.rom'
The result is boot failure.
The reason is that a 64 bit unsigned interger which is set
to -1 on error is compared to -1UL which on a 32 bit system
with gcc is a 32 bit unsigned interger.
Since both are unsigned, no sign extension takes place and
comparison evaluates to non-equal.
There's no reason to do clever tricks: all functions
we call actually return int so just use int.
And then we can use == -1 everywhere, consistently.
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The clock value is only evaluated when really necessary reducing
the overhead of the timer handling.
This also solves a problem in the way the Linux kernel
handles the timer and the expected accuracy.
The old version could lead to inaccurate timings.
Signed-off-by: Sebastian Macke <sebastian@macke.de>
Reviewed-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Jia Liu <proljc@gmail.com>
This has a patch that drops an unused FW CFG entry.
I think it's best to include it before 1.7 to avoid
the need to maintain it in compat machine types.
There's also a doc bugfix by Amos: I'm guessing
doc fixes are still fair game even at this late stage.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pc last minute fixes for 1.8
This has a patch that drops an unused FW CFG entry.
I think it's best to include it before 1.7 to avoid
the need to maintain it in compat machine types.
There's also a doc bugfix by Amos: I'm guessing
doc fixes are still fair game even at this late stage.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 18 Nov 2013 03:48:14 AM PST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Amos Kong (1) and Igor Mammedov (1)
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
doc: fix hardcoded helper path
pc: disable pci-info
Message-id: 1384775449-6693-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Jan Krupa (4) and others
# Via Michael Tokarev
* mjt/trivial-patches:
hw/i386/Makefile.obj: use $(PYTHON) to run .py scripts consistently
configure: Use -B switch only for Python versions which support it
qga: Fix shutdown command of guest agent to work with SysV
console: Remove unused debug code
qga: Fix compilation for old versions of MinGW
.travis.yml: basic compile and check recipes
pci-assign: Fix error_report of pci-stub message
qapi: Fix comment for create-type to match code.
vl: fix build when configured with no graphic support
usb: drop unused USBNetState.inpkt field
qemu-char: add missing characters used in keymaps
qemu-char: add support for U-prefixed symbols
qemu-char: add Czech keymap file
qemu-char: add Czech characters to VNC keysyms
Message-id: 1384684850-6777-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Amos Kong (1) and Sebastian Huber (1)
# Via Stefan Hajnoczi
* stefanha/net:
virtio-net: fix the memory leak in rxfilter_notify()
smc91c111: Fix receive starvation
Message-id: 1384532032-19057-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
These are two patches that will hopefully make it into 1.7. The SLOF update
fixes -append kernel command line argument passing into the guest kernel. The
other patch makes VIO devices appear when using -device '?'.
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Merge remote-tracking branch 'agraf/tags/signed-ppc-for-upstream-1.7' into staging
Patch queue for ppc - 2013-11-08
These are two patches that will hopefully make it into 1.7. The SLOF update
fixes -append kernel command line argument passing into the guest kernel. The
other patch makes VIO devices appear when using -device '?'.
# gpg: Signature made Thu 07 Nov 2013 07:34:54 PM PST using RSA key ID 03FEDC60
# gpg: Can't check signature: public key not found
# By Alexey Kardashevskiy
# Via Alexander Graf
* agraf/tags/signed-ppc-for-upstream-1.7:
pseries: Update SLOF firmware image
spapr: add vio-bus devices to categories
Message-id: 1383881766-13958-1-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
object_get_canonical_path() returns a gchar*, it should be freed by the
caller.
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Vlad Yasevich <vyasevic@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
$(PYTHON) is a Make variable which is set by configure.
In all other places over the tree, .py files are run from
Makefiles using this variable, except of a single leftover
in hw/i386/Makefile.obj (and a nearby place in there uses
$(PYTHON) correctly). Fix this leftover too.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: Luigi Rizzo <rizzo@iet.unipi.it>
Reviewed-by:: Stefan Weil <sw@weilnetz.de>
In case the smc91c111 interface signals that it cannot receive more
packets the packets are queued and further reception will be disabled.
In case the interface is again ready to receive packets notify the upper
layer.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The BIOS that we ship in 1.7 does not use pci info
from host and so far isn't going to use it.
Taking in account problems it caused see 9604f70fdf and
to avoid future incompatibility issues, it's safest to
disable that interface by default for all machine types
including 1.7 as it was never exposed/used by guest.
And properly remove/cleanup it during 1.8 development cycle.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts PCI master abort support - we'll want it
eventually but it exposes too many core bugs to be safe for 1.7.
This also reverts a recent exec.c change that was an
attempt to work-around some of these core bugs.
Also included are small fixes in pc and virtio,
and a core loader fix for PPC bamboo.
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, virtio bug fixes
This reverts PCI master abort support - we'll want it
eventually but it exposes too many core bugs to be safe for 1.7.
This also reverts a recent exec.c change that was an
attempt to work-around some of these core bugs.
Also included are small fixes in pc and virtio,
and a core loader fix for PPC bamboo.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 10 Nov 2013 05:13:22 AM PST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (3) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
Revert "exec: limit system memory size"
Revert "hw/pci: partially handle pci master abort"
loader: drop return value for rom_add_blob_fixed
acpi-build: disable with -no-acpi
virtio-net: only delete bh that existed
Fix pc migration from qemu <= 1.5
Message-id: 1384159176-31662-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Using multiple calls to error_report here means every line is
prefaced with the (potentially long) pci-assign command line
arguments.
Use a single error_printf to preserve the intended formatting.
Since this code path is always preceded by an error_report call,
we don't lose the command line reporting.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This reverts commit a53ae8e934.
The patch being reverted introduced a low-priority memory region
covering all 64 bit pci address space. This exposed the following bugs
elsewhere in the code:
1. Some memory regions have INT64_MAX size, where the
intent was all 64 bit address space.
This results in a sub-page region, should be UINT64_MAX.
2. page table rendering in exec.c ignores physical address bits
above TARGET_PHYS_ADDR_SPACE_BITS.
Access outside this range (e.g. from device DMA, or gdb stub)
ends up with a wrong region. Registering a region outside this
range leads to page table corruption.
3. Some regions overlap PCI hole and have same priority.
This only works as long as no device uses the overlapping address.
It doesn't look like we can resolve all issues in time for 1.7.
Let's fix the bugs first and apply afterwards for 1.8.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
rom_add_blob never fails, and neither does rom_add_blob_fixed,
so there's no need to return value from it.
In fact, rom_add_blob_fixed was erroneously returning -1 unconditionally
which made the only system that checked the return value -M bamboo fail
to start.
Drop the return value and drop checks from ppc440_bamboo to
fix this failure.
Reported-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
QEMU will currently crash if started with -no-acpi flag
since acpi build code probes the PM device which isn't present
in this configuration.
To fix, don't expose ACPI tables to guest when acpi has been
disabled from command line.
Fixes LP# 1248854
https://bugs.launchpad.net/qemu/+bug/1248854
Reported-by: chao zhou <chao.zhou@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
We delete without check whether it existed during exit. This will lead NULL
pointer deference since it was created conditionally depends on guest driver
status and features. So add a check of existence before trying to delete it.
Cc: qemu-stable@nongnu.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The following commit introduced a migration incompatibility:
commit 568f0690fd
Author: David Gibson <david@gibson.dropbear.id.au>
Date: Thu Jun 6 18:48:49 2013 +1000
pci: Replace pci_find_domain() with more general pci_root_bus_path()
The issue is that i440fx savevm idstr went from 0000:00:00.0/I440FX to
0000:00.0/I440FX. Unfortunately we are stuck with the breakage for
1.6 machine types.
Add a compat property to maintain the busted idstr for the 1.6 machine
types, but revert to the old style format for 1.7+, and <= 1.5.
Tested with migration from qemu 1.5, qemu 1.6, and qemu.git.
Cc: qemu-stable@nongnu.org
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Upon processing of VIRTIO_NET_CTRL_MAC_TABLE_SET command
multicast list overwrites unicast list in mac_table.
This leads to broken logic for both unicast and multicast RX filtering.
Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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>
This feature was already deprecated back then in qemu-kvm, ie. before
pci-assign went upstream. assigned_dev_ioport_rw will never be invoked
with resource_fd < 0.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
We currently just update the HMP NIC info when the last bit of macaddr
is written. This assumes that guest driver will write all the macaddr
from bit 0 to bit 5 when it changes the macaddr, this is the current
behavior of linux driver (e1000/rtl8139cp), but we can't do this
assumption.
The macaddr that is used for rx-filter will be updated when every bit
is changed. This patch updates the e1000/rtl8139 nic to update HMP NIC
info when every bit is changed. It will be same as virtio-net.
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Message-id: 1383650238-16015-1-git-send-email-akong@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
We delete without check whether it existed during exit. This will lead NULL
pointer deference since it was created conditionally depends on guest driver
status and features. So add a check of existence before trying to delete it.
Cc: qemu-stable@nongnu.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383728288-28469-1-git-send-email-jasowang@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This was once introduced by commit 100d9891d6 but was never used in-tree
and then got broken by commit 32e0c8260d. Time to clean up.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-id: 520B6A27.4040207@siemens.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
After calling dpy_gfx_replace_surface(s->con, surface), the outer
surface is invalid.
==5370== Invalid read of size 4
==5370== at 0x460229: surface_bits_per_pixel (console.h:250)
==5370== by 0x466A81: get_depth_index (vga.c:1173)
==5370== by 0x467EC2: vga_draw_graphic (vga.c:1718)
==5370== by 0x4687A5: vga_update_display (vga.c:1914)
==5370== by 0x2A782E: qxl_hw_update (qxl.c:1766)
==5370== by 0x3EB83B: graphic_hw_update (console.c:254)
==5370== by 0x3FBE31: qemu_spice_display_refresh (spice-display.c:418)
==5370== by 0x2A7D01: display_refresh (qxl.c:1886)
==5370== by 0x3EEE1C: dpy_refresh (console.c:1436)
==5370== by 0x3EB543: gui_update (console.c:192)
==5370== by 0x3C43B3: timerlist_run_timers (qemu-timer.c:488)
==5370== by 0x3C4416: qemu_clock_run_timers (qemu-timer.c:499)
==5370== Address 0x22ffb1e0 is 0 bytes inside a block of size 56 free'd
==5370== at 0x4A074C4: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==5370== by 0x4245FC: free_and_trace (vl.c:2771)
==5370== by 0x50899AE: g_free (gmem.c:252)
==5370== by 0x3EE8D3: qemu_free_displaysurface (console.c:1332)
==5370== by 0x3EEDB7: dpy_gfx_replace_surface (console.c:1427)
==5370== by 0x467EB6: vga_draw_graphic (vga.c:1714)
==5370== by 0x4687A5: vga_update_display (vga.c:1914)
==5370== by 0x2A782E: qxl_hw_update (qxl.c:1766)
==5370== by 0x3EB83B: graphic_hw_update (console.c:254)
==5370== by 0x3FBE31: qemu_spice_display_refresh (spice-display.c:418)
==5370== by 0x2A7D01: display_refresh (qxl.c:1886)
==5370== by 0x3EEE1C: dpy_refresh (console.c:1436)
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1383664554-15248-1-git-send-email-marcandre.lureau@gmail.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_32wu() with stl_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-10-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_be32wu() with stl_be_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-8-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_be16wu() with stw_be_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-7-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy be32_to_cpupu() with ldl_be_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-6-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy le32_to_cpupu() with ldl_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-5-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy le16_to_cpupu() with lduw_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-4-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_le32wu() with stl_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_le16wu() with stw_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-2-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
* QTest coverage for all machines
* QOM realize for Milkymist UART
* QOM realize for ARM MPCore
* device_add bug fixes and cleanups
* QOM for PCMCIA/MicroDrive (last legacy IDE device)
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Merge remote-tracking branch 'afaerber/tags/qom-devices-for-anthony' into staging
QOM device refactorings
* QTest coverage for all machines
* QOM realize for Milkymist UART
* QOM realize for ARM MPCore
* device_add bug fixes and cleanups
* QOM for PCMCIA/MicroDrive (last legacy IDE device)
# gpg: Signature made Tue 05 Nov 2013 09:07:03 AM PST using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found
# By Andreas Färber (49) and others
# Via Andreas Färber
* afaerber/tags/qom-devices-for-anthony: (54 commits)
pcmcia/pxa2xx: QOM'ify PXA2xxPCMCIAState
ide: Drop ide_init2_with_non_qdev_drives()
microdrive: Coding Style cleanups
pcmcia: QOM'ify PCMCIACardState and MicroDriveState
pxa: Fix typo "dettach"
qom: Fix pointer to int property helpers' documentation
qdev-monitor: Inline qdev_init() for device_add
qdev-monitor: Avoid qdev as variable name
qdev: Drop misleading qdev_free() function
qdev-monitor: Unref device when device_add fails
qdev-monitor: Fix crash when device_add is called with abstract driver
qdev-monitor: Clean up qdev_device_add() variable naming
arm11mpcore: Split off RealView MPCore
arm11mpcore: Prepare for QOM embedding
arm11mpcore: Convert mpcore_rirq_state to QOM realize
realview_gic: Prepare for QOM embedding
realview_gic: Convert to QOM realize
arm11mpcore: Convert ARM11MPCorePriveState to QOM realize
arm11mpcore: Split off SCU device
arm11mpcore: Create container MemoryRegion in instance_init
...
Turn it into a SysBusDevice and use a container MemoryRegion.
Add a link<pcmcia-card> property to the PCMCIACardState.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Turn PCMCIACardState into a device.
Move callbacks to new PCMCIACardClass.
Derive TYPE_MICRODRIVE from TYPE_PCMCIA_CARD.
Replace ide_init2_with_non_qdev_drives().
Signed-off-by: Othmar Pasteka <pasteka@kabsi.at>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The qdev_free() function name is misleading since all the function does
is unlink the device from its parent. The device is not necessarily
freed.
The device will be freed when its QObject refcount reaches zero. It is
usual for the parent (bus) to hold the final reference but there are
cases where something else holds a reference so "free" is a misleading
name.
Call object_unparent(obj) directly instead of having a qdev wrapper
function.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Move state struct, type constant and cast macro to a new header.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Embed ARM11MPCorePriveState and RealViewGICState and replace SysBus
initfn with realizefn.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Move state struct, type constant and cast macro to a new header.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Embed GICState and replace SysBus initfn with realizefn.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Embed child devices and replace SysBus initfn with realizefn.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This allows to map the region directly after object initialization.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Turn SysBusDevice initfn into a QOM realizefn.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
This covers both emulated and KVM GIC.
Prepares for QOM realize.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Split the SysBusDevice initfn into instance_init and realizefn.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Rename A9SCUState::busdev field to parent_obj and turn realizefn into an
instance_init function to allow early MMIO mapping.
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Rename NCPU to GIC_NCPU and move GICState away from gic_internal.h.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@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>
Adopt error_report() while at it.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This fixes strange pvpanic behaviour: you had to
pause to let VM continue (and potentially reboot on panic
if enabled).
This also fixes two bugs reported by Andreas.
One is a long-standing bug exposed by recent pci changes,
the other affects old piix machine types and was caused
by recent acpi changes.
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, pvpanic bug fixes
This fixes strange pvpanic behaviour: you had to
pause to let VM continue (and potentially reboot on panic
if enabled).
This also fixes two bugs reported by Andreas.
One is a long-standing bug exposed by recent pci changes,
the other affects old piix machine types and was caused
by recent acpi changes.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 04 Nov 2013 05:42:46 AM PST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (2) and Paolo Bonzini (1)
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
vl: allow "cont" from panicked state
exec: limit system memory size
pc: disable acpi info for isapc and old pc machine
Message-id: 1383572851-28326-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Disable acpi build for isapc and no_kvmclock machine
types (used by xen), since acpi build currently expects pci.
Reported-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
qxl creates a pipe, then writes something to it to wake up the iothread
from the spice server thread to raise an irq. These days qemu bottom
halves can be scheduled from threads and signals, so there is no reason
to do this any more. Time to clean it up.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Unlike the existing FW_CFG_E820_TABLE entry which carries reservations
only the new etc/e820 file also has entries for RAM.
Format is simliar to the FW_CFG_E820_TABLE, it is a simple list of
e820_entry structs. Unlike FW_CFG_E820_TABLE it has no count though
as the number of entries can be figured from the file size.
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Merge remote-tracking branch 'kwolf/tags/for-anthony' into staging
Block patches for 1.7.0-rc0 (v2)
# gpg: Signature made Thu 31 Oct 2013 04:44:39 PM CET using RSA key ID C88F2FD6
# gpg: Can't check signature: public key not found
* kwolf/tags/for-anthony: (30 commits)
vmdk: Implment bdrv_get_specific_info
qapi: Add optional field 'compressed' to ImageInfo
qemu-iotests: prefill some data to test image
sheepdog: check simultaneous create in resend_aioreq
sheepdog: cancel aio requests if possible
sheepdog: make add_aio_request and send_aioreq void functions
sheepdog: try to reconnect to sheepdog after network error
coroutine: add co_aio_sleep_ns() to allow sleep in block drivers
sheepdog: reload inode outside of resend_aioreq
sheepdog: handle vdi objects in resend_aio_req
sheepdog: check return values of qemu_co_recv/send correctly
qemu-iotests: Test case for backing file deletion
qemu-iotests: drop duplicated "create_image"
qemu-iotests: Fix 051 reference output
block: Avoid unecessary drv->bdrv_getlength() calls
block: Disable BDRV_O_COPY_ON_READ for the backing file
ahci: fix win7 hang on boot
sheepdog: pass copy_policy in the request
sheepdog: explicitly set copies as type uint8_t
block: Don't copy backing file name on error
...
Message-id: 1383064269-27720-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
* agraf/ppc-for-upstream: (29 commits)
spapr: Use DeviceClass::fw_name for device tree CPU node
target-ppc: Fill in OpenFirmware names for some PowerPCCPU families
target-ppc: dump-guest-memory support
dump-guest-memory: Check for the correct return value
target-ppc: Use #define for max slb entries
target-ppc: Check for error on address translation in memsave command
target-ppc: Update slb array with correct index values.
spapr-pci: enable irqfd for INTx
xics-kvm: enable irqfd for MSI
xics: Implement H_XIRR_X
xics: Implement H_IPOLL
xics-kvm: Support for in-kernel XICS interrupt controller
xics: add cpu_setup callback
xics: split to xics and xics-common
xics: add missing const specifiers to TypeInfo
xics: convert init() to realize()
xics: add pre_save/post_load dispatchers
xics: replace fprintf with error_report
spapr: move cpu_setup after kvmppc_set_papr
xics: move reset and cpu_setup
...
Message-id: 1382736474-32128-1-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
* kraxel/usb.91:
usb-hcd-xhci: Update endpoint context dequeue pointer for streams too
usb-hcd-xhci: Report completion of active transfer with CC_STOPPED on ep stop
usb-hcd-xhci: Remove unused cancelled member from XHCITransfer
usb-hcd-xhci: Remove unused sstreamsm member from XHCIStreamContext
usb-host-libusb: Detach kernel drivers earlier
usb-host-libusb: Configuration 0 may be a valid configuration
usb-host-libusb: Fix reset handling
Message-id: 1382620267-18065-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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>
Commit 9b8c69243 (since reverted) broke the ability to boot the kernel
as the value returned by unassigned_mem_read returned non-zero and left
the kernel looping forever waiting for it to change (see
integrator_led_set in the kernel code).
Relying on a varying implementation detail is incorrect anyway so this
introduces a basic stub of a memory region for the debug/LED section
on the integrator board.
Signed-off-by: Alex Bennée <alex@bennee.com>
Message-id: 1382451366-9539-1-git-send-email-alex.bennee@linaro.org
[PMM: removed three unused fields from struct IntegratorDebugState]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Now that arm_load_kernel doesn't insist on a kernel filename
being present, we can remove some unnecessary conditionals
in board models.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1379980897-21277-3-git-send-email-peter.maydell@linaro.org
Typically ARM boards will have some kind of flash which might contain
a boot ROM; it's therefore a valid use case to provide only an
image for the boot ROM and not require QEMU's internal boot loader
at all. Remove the fatal error if -kernel isn't specified.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1379980897-21277-2-git-send-email-peter.maydell@linaro.org
When AHCI executes an asynchronous IDE command, it checked DRDY without
checking either DRQ or BSY. This sometimes caused interrupt to be sent
before command is actually completed.
This resulted in a race condition: if guest then managed to access the
device before command has completed, it would hang waiting for an
interrupt.
This was observed with windows 7 guests.
To fix, check for DRQ or BSY in additiona to DRDY, if set,
the command is asynchronous so delay the interrupt until
asynchronous done callback is invoked.
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
compatiblity -> compatibility
continously -> continuously
existance -> existence
usefull -> useful
shoudl -> should
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Instead of relying on cpu_model, obtain the device tree node label
per CPU. Use DeviceClass::fw_name as source.
Whenever DeviceClass::fw_name is unknown, default to "PowerPC,UNKNOWN".
As a consequence, spapr_fixup_cpu_dt() can operate on each CPU's fw_name,
obsoleting sPAPREnvironment::cpu_model, and spapr_create_fdt_skel() can
drop its cpu_model argument.
Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This enables IRQFD for LSI (level triggered INTx interrupts) by adding
a spapr_route_intx_pin_to_irq() callback to the sPAPR PCI host bus. This
callback is called to know the global interrupt number to link resampling fd
with IRQFD's fd in KVM.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This enables IRQFD support for sPAPR. The feature decreases the latency
of interrupt handling.
To enable IRQFD for MSI, this sets kvm_gsi_direct_mapping to true which
enables direct MSI mapping.
To enable IRQFD for LSI (level triggered INTx interrupts), a PCI host bus
callback is required. The patch for that is coming next.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This implements H_XIRR_X hypercall in addition to H_XIRR as
it is mandatory for PAPR+ and there is no way for the guest to
detect whether it is supported or not so just add it.
As the Partition Adjunct Option is not supported at the moment,
the CPPR parameter of the hypercall is ignored.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds support for the H_IPOLL hypercall which the guest
uses to poll for a pending interrupt. This hypercall is
mandatory for PAPR+ and there is no way for the guest to
detect whether it is supported or not so just add it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Recent (host) kernels support emulating the PAPR defined "XICS" interrupt
controller system within KVM. This patch allows qemu to initialize and
configure the in-kernel XICS, and keep its state in sync with qemu's XICS
state as necessary.
This should give considerable performance improvements. e.g. on a simple
IPI ping-pong test between hardware threads, using qemu XICS gives us
around 5,000 irqs/second, whereas the in-kernel XICS gives us around
70,000 irqs/s on the same hardware configuration.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[Mike Qiu <qiudayu@linux.vnet.ibm.com>: fixed mistype which caused ics_set_kvm_state() to fail]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds a cpu_setup callback to the XICS device class (as XICS-KVM
will do it different), xics_cpu_setup() will call it if it is set.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
The upcoming XICS-KVM support will use bits of emulated XICS code.
So this introduces new level of hierarchy - "xics-common" class. Both
emulated XICS and XICS-KVM will inherit from it and override class
callbacks when required.
The new "xics-common" class implements:
1. replaces static "nr_irqs" and "nr_servers" properties with
the dynamic ones and adds callbacks to be executed when properties
are set.
2. xics_cpu_setup() callback renamed to xics_common_cpu_setup() as
it is a common part for both XICS'es
3. xics_reset() renamed to xics_common_reset() for the same reason.
The emulated XICS changes:
1. the part of xics_realize() which creates ICPs is moved to
the "nr_servers" property callback as realize() is too late to
create/initialize devices and instance_init() is too early to create
devices as the number of child devices comes via the "nr_servers"
property.
2. added ics_initfn() which does a little part of what xics_realize() did.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds missing const specifiers to ICS and ICP TypeInfo's.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This fixes XICS according new QOM rules.
This converts ICS's init() callbacks to realize().
This converts legacy qdev_init_nofail() to property_set(realized).
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The upcoming support of in-kernel XICS will redefine migration callbacks
for both ICS and ICP so classes and callback pointers are added.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This replaces old-style fprintf with new style error_report.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This moves the xics_cpu_setup() call after kvmppc_set_papr()
in order to get VCPUs initialized as this is required by upcoming
XICS-KVM.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This simple change makes following patches nicer.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
On the real hardware, RTAS is called in real mode and therefore
top 4 bits of the address passed in the call are ignored.
So does the patch.
This converts h_rtas() to use existing rtas_ld() handlers.
This fixed rtas_ld()/rtas_st() to ignore top 4 bits.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
PAPR+ says that no "ibm,purr" tells the guest that H_PURR is not
supported. However some guests still try calling H_PURR on POWER7 unless
the property is present and equal to 0. This adds the property for CPUs
supporting the PURR special register.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
At the moment the size of the buffer is set to 64K which is
enough for approximately 150 VCPUs which is not the limit.
This increases the buffer up to 256K which allows having
a tree for approximately 600 VCPUs which is way beyond the real
number we need.
As only the real size of the tree is copied to the guest, there
will be no impact on existing configurations.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Try loading the kernel as little endian if it fails big endian.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
With streams the endpoint context dequeue pointer should point to the
dequeue value for the currently active stream.
At least Linux guests expect it to point to value set by an set_ep_dequeue
upon completion of the set_ep_dequeue (before kicking the ep).
Otherwise the Linux kernel will complain (and things won't work):
xhci_hcd 0000:00:05.0: Mismatch between completed Set TR Deq Ptr command & xHCI internal state.
xhci_hcd 0000:00:05.0: ep deq seg = ffff8800366f0880, deq ptr = ffff8800366ec010
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
As we should per the XHCI spec "4.6.9 Stop Endpoint".
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Since qemu's USB model is geared towards emulated devices cancellation
is instanteneous, so no need to wait for cancellation to complete, as
such there is no wait for cancellation code, and the cancelled bool
as well as the bogus comment about it can be removed.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
If we detach the kernel drivers on the first set_config, then they will
be still attached when the device gets its initial reset. Causing the drivers
to re-initialize the device after the reset, dirtying the device state.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Quoting from: linux/Documentation/ABI/stable/sysfs-bus-usb:
Note that some devices, in violation of the USB spec, have a
configuration with a value equal to 0. Writing 0 to
bConfigurationValue for these devices will install that
configuration, rather then unconfigure the device.
So don't compare the configuration value against 0 to check for unconfigured
devices, instead check for a LIBUSB_ERROR_NOT_FOUND return from
libusb_get_active_config_descriptor().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The guest will issue an initial device reset when the device is attached, but
since the current usb-host-libusb code only actually does the reset when
udev->configuration != 0, and on attach the device is not yet configured,
the reset gets ignored. This means that the device gets passed to the guest
in an unknown state, which is not good.
The udev->configuration check is there because of the release / claim
interfaces done around the libusb_device_reset call, but these are not
necessary. If interfaces are claimed when libusb_device_reset gets called
libusb will release + reclaim them itself.
The usb_host_ep_update call also is not necessary. If the reset succeeds the
original config and interface alt settings will be restored.
Last if the reset fails, that means the device has either disconnected or
morphed into an another device and has been completely re-enumerated,
so it is treated by the host as a new device and our handle is invalid,
so on reset failure we need to call usb_host_nodev().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
# By Paolo Bonzini (2) and Jan Kiszka (1)
# Via Gleb Natapov
* qemu-kvm/uq/master:
kvmvapic: Prevent reading beyond the end of guest RAM
x86: cpuid: reconstruct leaf 0Dh data
x86: fix migration from pre-version 12
Message-id: 1382108641-4862-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Amos Kong
# Via Stefan Hajnoczi
* stefanha/net:
net/rtl8139: update network information when macaddr is changed in guest
net/e1000: update network information when macaddr is changed in guest
net: update nic info during device reset
Message-id: 1382103314-21608-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Fam Zheng (3) and others
# Via Stefan Hajnoczi
* stefanha/block:
vmdk: fix VMFS extent parsing
vmdk: Only read cid from image file when opening
virtio: Remove unneeded memcpy
block/raw-win32: Always use -errno in hdev_open
blockdev: fix cdrom read_only flag
sd: Avoid access to NULL BlockDriverState
hmp: drop bogus "[not inserted]"
Message-id: 1382105915-27735-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Paolo Bonzini (10) and others
# Via Paolo Bonzini
* bonzini/iommu-for-anthony:
exec: remove qemu_safe_ram_ptr
icount: make it thread-safe
icount: document (future) locking rules for icount
icount: prepare the code for future races in calling qemu_clock_warp
icount: reorganize icount_warp_rt
icount: use cpu_get_icount() directly
timer: add timer_mod_anticipate and timer_mod_anticipate_ns
timer: extract timer_mod_ns_locked and timerlist_rearm
timer: make qemu_clock_enable sync between disable and timer's cb
qemu-thread: add QemuEvent
timer: protect timers_state's clock with seqlock
seqlock: introduce read-write seqlock
vga: Mark relevant portio lists regions as coalesced MMIO flushing
cirrus: Mark vga io region as coalesced MMIO flushing
portio: Allow to mark portio lists as coalesced MMIO flushing
compatfd: switch to QemuThread
memory: fix 128 arithmetic in info mtree
Message-id: 1382024935-28297-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Peter Maydell (3) and Ákos Kovács (2)
# Via Paolo Bonzini
* bonzini/configure:
ui/Makefile.objs: delete unnecessary cocoa.o dependency
default-configs/: CONFIG_GDBSTUB_XML removed
Makefile.target: CONFIG_NO_* variables removed
rules.mak: New string testing functions
rules.mak: New logical functions for handling y/n values
rtl8139 has same problem as e1000, nic info isn't updated when macaddr
is changed in guest.
This patch updates the nic info when the last bit of macaddr is written.
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
If we change macaddr in guest by 'ifconfig eth0 hw ether 12:12:12:34:35:36',
the mac register of e1000 is already updated, but we don't update
network information in qemu. Therefor, the information in monitor
is wrong.
This patch updates nic info when the second part of macaddr is written.
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
macaddr is reset during device reset, but nic info
isn't updated, this problem exists in e1000 & rtl8139
Signed-off-by: Amos Kong <akong@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Report from valgrind:
==19521== Source and destination overlap in memcpy(0x31d38938, 0x31d38938, 64)
==19521== at 0x4A0A343: memcpy@@GLIBC_2.14 (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==19521== by 0x42774E: virtio_blk_device_init (virtio-blk.c:686)
==19521== by 0x46EE9E: virtio_device_init (virtio.c:1158)
==19521== by 0x25405E: device_realize (qdev.c:178)
==19521== by 0x2559B5: device_set_realized (qdev.c:699)
==19521== by 0x3A819B: property_set_bool (object.c:1315)
==19521== by 0x3A6CE0: object_property_set (object.c:803)
Valgrind is right: blk == &s->blks, so it is a memcpy of 64 byte with
source == destination which can be removed.
Reported-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This allows to remove the explicit qemu_flush_coalesced_mmio_buffer
calls.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This allows to remove the explicit qemu_flush_coalesced_mmio_buffer
calls - the memory core will invoke them now.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We have a fw_cfg entry to pass e820 entries from qemu to the firmware.
Today it's used to pass reservations only. This patch makes qemu pass
entries for RAM too.
This allows to pass RAM sizes larger than 1TB to the firmware and it
will also allow to pass non-contignous memory ramges should we decide
to implement that some day, say for our virtual numa nodes.
Obviously this needs some extra care to not break existing firware.
SeaBIOS loads the entries and happily adds them without looking at the
type. Which is problematic for memory below 4g as this will overwrite
reservations added for bios memory etc. For memory above 4g it works
just fine, seabios will merge the entry derived from cmos with the one
loaded from fw_cfg.
OVMF doesn't look at the fw_cfg e820 table.
coreboot doesn't look at the fw_cfg e820 table.
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-By: Igor Mammedov <imammedo@redhat.com>
This patch fixes spice display initialization to handle
multihead properly.
spice-core now keeps track of which QemuConsole has a spice
display channel attached to it and which has not. It also
manages display channel ids.
spice-display looks at all QemuConsoles and will pick up any
graphic console not yet bound to a spice channel (which in practice
are all non-qxl graphic devices).
Result is that
(a) you'll get a spice client window for each graphical device
now (first only without this patch), and
(b) mixing qxl and non-qxl vga cards works properly.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Commit 4f8a066b5f (blockdev: Remove IF_*
check for read-only blockdev_init) added a usage of bdrv_is_read_only()
to sd_init(), which is called for versatilepb, versatileab and
xilinx-zynq-a9 machines among others with NULL argument by default,
causing the new qom-test to fail.
Add a check to prevent this.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
CONFIG_NO_* variables replaced with the lnot logical function
Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
[PMM: fixed a few CONFIG_NO_* uses that were missed]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Forgotten MSI affinity patch posted several months ago
- Lazy option ROM loading to delay load until after device/bus resets
- Error reporting cleanups
- PCI hot reset support introduced with Linux v3.12 development kernels
- Debug build fix for int128
The lazy ROM loading and hot reset should help VGA assignment as we can
now do a bus reset when there are multiple devices on the bus, ex.
multi-function graphics and audio cards.
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Merge remote-tracking branch 'awilliam/tags/vfio-pci-for-qemu-20131010.0' into staging
vfio-pci updates include:
- Forgotten MSI affinity patch posted several months ago
- Lazy option ROM loading to delay load until after device/bus resets
- Error reporting cleanups
- PCI hot reset support introduced with Linux v3.12 development kernels
- Debug build fix for int128
The lazy ROM loading and hot reset should help VGA assignment as we can
now do a bus reset when there are multiple devices on the bus, ex.
multi-function graphics and audio cards.
# gpg: Signature made Thu 10 Oct 2013 11:26:39 AM PDT using RSA key ID 3BB08B22
# gpg: Can't check signature: public key not found
# By Alex Williamson (7) and Alexey Kardashevskiy (1)
# Via Alex Williamson
* awilliam/tags/vfio-pci-for-qemu-20131010.0:
vfio-pci: Fix endian issues in vfio_pci_size_rom()
vfio-pci: Add dummy PCI ROM write accessor
vfio: Fix debug output for int128 values
vfio-pci: Implement PCI hot reset
vfio-pci: Cleanup error_reports
vfio-pci: Lazy PCI option ROM loading
vfio-pci: Test device reset capabilities
vfio-pci: Add support for MSI affinity
Message-id: 20131010184122.31667.28382.stgit@bling.home
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
We don't really support CPU throttling, so supply 0 PBLK length.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds C code for generating ACPI tables at runtime,
imported from seabios git tree
commit 51684b7ced75fb76776e8ee84833fcfb6ecf12dd
Although ACPI tables come from a system BIOS on real hw,
it makes sense that the ACPI tables are coupled with the
virtual machine, since they have to abstract the x86 machine to
the OS's.
This is widely desired as a way to avoid the churn
and proliferation of QEMU-specific interfaces
associated with ACPI tables in bios code.
Notes:
As BIOS can reprogram devices prior to loading
ACPI tables, we pre-format ACPI tables but defer loading
hardware configuration there until tables are loaded.
The code structure was intentionally kept as close
to the seabios original as possible, to simplify
comparison and making sure we didn't lose anything
in translation.
Minor code duplication results, to help ensure there are no functional
regressions, I think it's better to merge it like this and do more code
changes in follow-up patches.
Cross-version compatibility concerns have been addressed:
ACPI tables are exposed to guest as FW_CFG entries.
When running with -M 1.5 and older, this patch disables ACPI
table generation, and doesn't expose ACPI
tables to guest.
As table content is likely to change over time,
the following measures are taken to simplify
cross-version migration:
- All tables besides the RSDP are packed in a single FW CFG entry.
This entry size is currently 23K. We round it up to 64K
to avoid too much churn there.
- Tables are placed in special ROM blob (not mapped into guest memory)
which is automatically migrated together with the guest, same
as BIOS code.
- Offsets where hardware configuration is loaded in ACPI tables
are also migrated, this is in case future ACPI changes make us
rearrange the tables in memory.
This patch reuses some code from SeaBIOS, which was originally under
LGPLv2 and then relicensed to GPLv3 or LGPLv3, in QEMU under GPLv2+. This
relicensing has been acked by all contributors that had contributed to the
code since the v2->v3 relicense. ACKs approving the v2+ relicensing are
listed below. The list might include ACKs from people not holding
copyright on any parts of the reused code, but it's better to err on the
side of caution and include them.
Affected SeaBIOS files (GPLv2+ license headers added)
<http://thread.gmane.org/gmane.comp.bios.coreboot.seabios/5949>:
src/acpi-dsdt-cpu-hotplug.dsl
src/acpi-dsdt-dbug.dsl
src/acpi-dsdt-hpet.dsl
src/acpi-dsdt-isa.dsl
src/acpi-dsdt-pci-crs.dsl
src/acpi.c
src/acpi.h
src/ssdt-misc.dsl
src/ssdt-pcihp.dsl
src/ssdt-proc.dsl
tools/acpi_extract.py
tools/acpi_extract_preprocess.py
Each one of the listed people agreed to the following:
> If you allow the use of your contribution in QEMU under the
> terms of GPLv2 or later as proposed by this patch,
> please respond to this mail including the line:
>
> Acked-by: Name <email address>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Jason Baron <jbaron@akamai.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Dave Frodin <dave.frodin@se-eng.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Kevin O'Connor <kevin@koconnor.net>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Acked-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Magnus Christensson <magnus.christensson@intel.com>
Acked-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add API to find HPET using QOM.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add API to find pvpanic device and get its io port.
Will be used to fill in guest info structure.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds APIs that will be used to fill in
acpi tables, implemented using QOM,
to various ich9 components.
Some information is still missing in QOM,
so we fall back on lookups by type instead.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds APIs that will be used to fill in guest acpi tables.
Some required information is still lacking in QOM, so we
fall back on lookups by type and returning explicit types.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This defines a structure that will be used to fill in acpi tables
where relevant properties are not yet available using QOM.
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds a dynamic bios linker/loader.
This will be used by acpi table generation
code to:
- load each table in the appropriate memory segment
- link tables to each other
- fix up checksums after said linking
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Avoid a bit of code duplication, make
max file path constant reusable.
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
update generated file, not sure what changed
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add pre-compiled ASL files. Useful for systems that
do not have IASL.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Detect presence of IASL compiler and use it
to process ASL source. If not there, use pre-compiled
files in-tree. Add script to update the in-tree files.
Note: distros are known to silently update iasl
so detect correct iasl flags for the installed version on each run as
opposed to at configure time.
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds ASL code as well as scripts for processing it,
imported from seabios git tree
commit 51684b7ced75fb76776e8ee84833fcfb6ecf12dd
Will be used for runtime acpi table generation.
Note:
This patch reuses some code from SeaBIOS, which was originally under
LGPLv2 and then relicensed to GPLv3 or LGPLv3, in QEMU under GPLv2+. This
relicensing has been acked by all contributors that had contributed to the
code since the v2->v3 relicense. ACKs approving the v2+ relicensing are
listed below. The list might include ACKs from people not holding
copyright on any parts of the reused code, but it's better to err on the
side of caution and include them.
Affected SeaBIOS files (GPLv2+ license headers added)
<http://thread.gmane.org/gmane.comp.bios.coreboot.seabios/5949>:
src/acpi-dsdt-cpu-hotplug.dsl
src/acpi-dsdt-dbug.dsl
src/acpi-dsdt-hpet.dsl
src/acpi-dsdt-isa.dsl
src/acpi-dsdt-pci-crs.dsl
src/acpi.c
src/acpi.h
src/ssdt-misc.dsl
src/ssdt-pcihp.dsl
src/ssdt-proc.dsl
tools/acpi_extract.py
tools/acpi_extract_preprocess.py
Each one of the listed people agreed to the following:
> If you allow the use of your contribution in QEMU under the
> terms of GPLv2 or later as proposed by this patch,
> please respond to this mail including the line:
>
> Acked-by: Name <email address>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Jason Baron <jbaron@akamai.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Dave Frodin <dave.frodin@se-eng.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Kevin O'Connor <kevin@koconnor.net>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Acked-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Magnus Christensson <magnus.christensson@intel.com>
Acked-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Address is already exposed, expose size for symmetry.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Useful to make it accessible through QOM.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Callers pass in the address so it's helpful for
them to be able to decode it.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Make it possible to test unmapped status through QMP.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Support ROM blobs not mapped into guest memory:
same as ROM files really but use caller's buffer.
Support invoking callback on access and
return memory pointer making it easier
for caller to update memory if necessary.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
BAR base was calculated incorrectly.
Use existing pci_bar_address to get it right.
Tested-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Instead of exposing the the irq field,
pci wrappers to qemu_set_irq or qemu_irq_*
can be used.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The fields hpev_intx and aer_intx were removed because
both AER and hot-plug events must use device's interrupt.
Assert/deassert interrupts using pci irq wrappers instead.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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>
pci_set_irq and the other pci irq wrappers use
PCI_INTERRUPT_PIN config register to compute device
INTx pin to assert/deassert.
save INTX pin into the config register before calling
pci_set_irq
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci_set_irq uses PCI_INTERRUPT_PIN config register
to compute device INTx pin to assert/deassert.
An assert is used to ensure that intx received
from the quest OS corresponds to PCI_INTERRUPT_PIN.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The PCI_INTERRUPT_PIN will be used by shpc init, so
was moved before the call to shpc_init.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Interrupt pin is selected and saved into PCI_INTERRUPT_PIN
register during device initialization. Devices should not call
directly qemu_set_irq and specify the INTx pin on each call.
Added pci_* wrappers to replace qemu_set_irq, qemu_irq_raise,
qemu_irq_lower and qemu_irq_pulse, setting the irq
based on PCI_INTERRUPT_PIN.
Added pci_allocate_irq wrapper to be used by devices that
still need PCIDevice infrastructure to assert irqs.
Renamed a static method which was named already pci_set_irq.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
qemu_allocate_irq returns a single qemu_irq.
The interface allows to specify an interrupt number.
qemu_free_irq frees it.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A MemoryRegion with negative priority was created and
it spans over all the pci address space.
It "intercepts" the accesses to unassigned pci
address space and will follow the pci spec:
1. returns -1 on read
2. does nothing on write
Note: setting the RECEIVED MASTER ABORT bit in the STATUS register
of the device that initiated the transaction will be
implemented in another series
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When memory regions overlap, priority can be used to specify
which of them takes priority. By making the priority values signed
rather than unsigned, we make it more convenient to implement
a situation where one "background" region should appear only
where no other region exists: rather than having to explicitly
specify a high priority for all the other regions, we can let them take
the default (zero) priority and specify a negative priority for the
background region.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
IF_NONE allows read-only, which makes forbidding it in this place
for other types pretty much pointless.
Instead, make sure that all devices for which the check would have
errored out check in their init function that they don't get a read-only
BlockDriverState. This catches even cases where IF_NONE and -device is
used.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
ATM we set AHCI mode on 1st GHC write.
Spec says we should set it on reset.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
# By Matthew Daley (1) and Roger Pau Monné (1)
# Via Stefano Stabellini
* sstabellini/xen-2013-10-10:
qemu/xen: make use of xenstore relative paths
xen_disk: mark ioreq as mapped before unmapping in error case
# By Asias He (1) and Peter Lieven (1)
# Via Paolo Bonzini
* bonzini/scsi-next:
scsi: Allocate SCSITargetReq r->buf dynamically [CVE-2013-4344]
block/iscsi: reenable iscsi_co_get_block_status
Message-id: 1381332391-8781-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Qemu has several hardcoded xenstore paths that are only valid on Dom0.
Attempts to launch a Qemu instance (to act as a userspace backend for
PV disks) will fail because Qemu is not able to access those paths
when running on a domain different than Dom0.
Instead make the xenstore paths relative to the domain where Qemu is
actually running.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Cc: xen-devel@lists.xenproject.org
Cc: Anthony PERARD <anthony.perard@citrix.com>
Commit 4472beae modified the semantics of ioreq_{un,}map so that they are
idempotent if called when they're not needed (ie., twice in a row). However,
it neglected to handle the case where batch mapping is not being used (the
default), and one of the grants fails to map. In this case, ioreq_unmap will
be called to unwind and unmap any mappings already performed, but ioreq_unmap
simply returns due to the aforementioned change (the ioreq has not already
been marked as mapped).
The frontend user can therefore force xen_disk to leak grant mappings, a
per-domain limited resource.
Fix by marking the ioreq as mapped before calling ioreq_unmap in this
situation.
Signed-off-by: Matthew Daley <mattjd@gmail.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
r->buf is hardcoded to 2056 which is (256 + 1) * 8, allowing 256 luns at
most. If more than 256 luns are specified by user, we have buffer
overflow in scsi_target_emulate_report_luns.
To fix, we allocate the buffer dynamically.
Signed-off-by: Asias He <asias@redhat.com>
Tested-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If there is no operation driver for the xattr type the
functions return '-1' and set errno to '-EOPNOTSUPP'.
When the calling code sets 'ret = -errno' this turns
into a large positive number.
In Linux 3.11, the kernel has switched to using 9p
version 9p2000.L, instead of 9p2000.u, which enables
support for xattr operations. This on its own is harmless,
but for another change which makes it request the xattr
with a name 'security.capability'.
The result is that the guest sees a succesful return
of 95 bytes of data, instead of a failure with errno
set to 95. Since the kernel expects a maximum of 20
bytes for an xattr return this gets translated to the
unexpected errno ERANGE.
This all means that when running a binary off a 9p fs
in 3.11 kernels you get a fun result of:
# ./date
sh: ./date: Numerical result out of range
The only workaround is to pass 'version=9p2000.u' when
mounting the 9p fs in the guest, to disable all use of
xattrs.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
VFIO is always little endian so do byte swapping of our mask on the
way in and byte swapping of the size on the way out.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Just to be sure we don't jump off any NULL pointer cliffs.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
rom_state_paddr is guest provided (caller address of outw(VAPIC_PORT) +
writen 16-bit value) and can be influenced to point beyond the end of
the host memory backing the guest's RAM. Make sure we do not use this
pointer to actually read beyond the limits.
Reading arbitrary guest bytes is harmless, the guest kernel has to
manage access to this I/O port anyway.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Memory regions can easily be 2^64 byte long and therefore overflow
for just a bit but that is enough for int128_get64() to assert.
This takes care of debug printing of huge section sizes.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Now that VFIO has a PCI hot reset interface, take advantage of it.
There are two modes that we need to consider. The first is when only
one device within the set of devices affected is actually assigned to
the guest. In this case the other devices are are just held by VFIO
for isolation and we can pretend they're not there, doing an entire
bus reset whenever the device reset callback is triggered. Supporting
this case separately allows us to do the best reset we can do of the
device even if the device is hotplugged.
The second mode is when multiple affected devices are all exposed to
the guest. In this case we can only do a hot reset when the entire
system is being reset. However, this also allows us to track which
individual devices are affected by a reset and only do them once.
We split our reset function into pre- and post-reset helper functions
prioritize the types of device resets available to us, and create
separate _one vs _multi reset interfaces to handle the distinct cases
above.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Device communication errors need to be reported to driver.
Add a debug message while at it.
Signed-off-by: Jan Vesely <jano.vesely@gmail.com>
Acked-by: Gerd Hoffmann <kraxel@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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>
From buildbot default_i386_rhel61:
CC alpha-softmmu/hw/alpha/typhoon.o
hw/alpha/typhoon.c: In function 'typhoon_translate_iommu':
hw/alpha/typhoon.c:703: warning: integer constant is too large for 'long' type
hw/alpha/typhoon.c:703: warning: integer constant is too large for 'long' type
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
During vfio-pci initfn, the device is not always in a state where the
option ROM can be read. In the case of graphics cards, there's often
no per function reset, which means we have host driver state affecting
whether the option ROM is usable. Ideally we want to move reading the
option ROM past any co-assigned device resets to the point where the
guest first tries to read the ROM itself.
To accomplish this, we switch the memory region for the option rom to
an I/O region rather than a memory mapped region. This has the side
benefit that we don't waste KVM memory slots for a BAR where we don't
care about performance. This also allows us to delay loading the ROM
from the device until the first read by the guest. We then use the
PCI config space size of the ROM BAR when setting up the BAR through
QEMU PCI.
Another benefit of this approach is that previously when a user set
the ROM to a file using the romfile= option, we still probed VFIO for
the parameters of the ROM, which can result in dmesg errors about an
invalid ROM. We now only probe VFIO to get the ROM contents if the
guest actually tries to read the ROM.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Not all resets are created equal. PM reset is not very reliable,
especially for GPUs, so we might want to opt for a bus reset if a
standard reset will only do a D3hot->D0 transition. We can also
use this to tell if the standard reset will do a bus reset (if
neither has_pm_reset or has_flr is probed, but the device still
supports reset).
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
When MSI is accelerated through KVM the vectors are only programmed
when the guest first enables MSI support. Subsequent writes to the
vector address or data fields are ignored. Unfortunately that means
we're ignore updates done to adjust SMP affinity of the vectors.
MSI SMP affinity already works in non-KVM mode because the address
and data fields are read from their backing store on each interrupt.
This patch stores the MSIMessage programmed into KVM so that we can
determine when changes are made and update the routes.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This includes pc and pci cleanups and enhancements,
and a virtio-net bugfix related to softmac programming.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pc,pci,virtio fixes and cleanups
This includes pc and pci cleanups and enhancements,
and a virtio-net bugfix related to softmac programming.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 29 Sep 2013 01:51:16 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (8) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
smbios: Factor out smbios_maybe_add_str()
smbios: Make multiple -smbios type= accumulate sanely
smbios: Improve diagnostics for conflicting entries
smbios: Convert to QemuOpts
smbios: Normalize smbios_entry_add()'s error handling to exit(1)
virtio-net: fix up HMP NIC info string on reset
pci: remove explicit check to 64K ioport size
piix4: disable io on reset
piix: use 64 bit window programmed by guest
q35: use 64 bit window programmed by guest
pci: add helper to retrieve the 64-bit range
range: add min/max operations on ranges
range: add Range to typedefs
q35: make pci window address/size match guest cfg
Message-id: 1380437951-21788-1-git-send-email-mst@redhat.com
# By Bandan Das (3) and Gerd Hoffmann (1)
# Via Gerd Hoffmann
* kraxel/audio.1:
audio: remove CONFIG_MIXEMU configure option
hda-codec: make mixemu selectable at runtime
hda-codec: refactor common definitions into a header file
audio maintainers update
Message-id: 1380011943-15083-1-git-send-email-kraxel@redhat.com
contains the fixes from the previous pull request, which did not make
it yet.
Overall it contains
- a fix for kexec without kdump (which uses diag308 subcode 0 instead of 1)
- several sclp related fixes
- some initial sclp migration code
- the sclp line mode console
- A fix for a boot problem with the virtio ccw ipl bios
- zeroed out padding bytes for the notes section of dump-guest-memory
- some cleanups
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Merge remote-tracking branch 'borntraeger/tags/s390-next-20130924' into staging
This is a bunch of fixes/changes for the s390 architecture. It also
contains the fixes from the previous pull request, which did not make
it yet.
Overall it contains
- a fix for kexec without kdump (which uses diag308 subcode 0 instead of 1)
- several sclp related fixes
- some initial sclp migration code
- the sclp line mode console
- A fix for a boot problem with the virtio ccw ipl bios
- zeroed out padding bytes for the notes section of dump-guest-memory
- some cleanups
# gpg: Signature made Tue 24 Sep 2013 02:18:44 AM CDT using RSA key ID B5A61C7C
# gpg: Can't check signature: public key not found
# By Christian Borntraeger (6) and others
# Via Christian Borntraeger
* borntraeger/tags/s390-next-20130924:
s390/sclplmconsole: Add support for SCLP line-mode console
s390/ebcdic: Move conversion tables to header file
s390/eventfacility: allow childs to handle more than 1 event type
s390/eventfacility: remove unused event_type variable
s390/eventfacility: Fix receive/send masks
s390/eventfacility: fix multiple Read Event Data sources
s390/sclp: add reset() functions
s390/sclpquiesce: Add code to support live migration
s390/sclpconsole: Add code to support live migration for sclpconsole
s390/sclpconsole: modify definition of input buffer
s390/kexec: Implement diag308 subcode 0
s390/ioinst: Moved the CC setting to the IO instruction handlers
s390/cpu: Make setcc() function available to other files
s390/ipl: Update the s390-ccw.img rom
s390/ipl: Fix waiting for virtio processing
s390/dump: zero out padding bytes in notes sections
s390/kvm: Add check for priviledged SCLP handler
Message-id: 1380007671-18976-1-git-send-email-borntraeger@de.ibm.com
Currently, -smbios type=T,NAME=VAL,... adds one field (T,NAME) with
value VAL to fw_cfg for each unique NAME. If NAME occurs multiple
times, the last one's VAL is used (before the QemuOpts conversion, the
first one was used).
Multiple -smbios can add multiple fields with the same (T, NAME).
SeaBIOS reads all of them from fw_cfg, but uses only the first field
(T, NAME). The others are ignored.
"First one wins, subsequent ones get ignored silently" isn't nice. We
commonly let the last option win. Useful, because it lets you
-readconfig first, then selectively override with command line
options.
Clean up -smbios to work the common way. Accumulate the settings,
with later ones overwriting earlier ones. Put the result into fw_cfg
(no more useless duplicates).
Bonus cleanup: qemu_uuid_parse() no longer sets SMBIOS system uuid by
side effect.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We allow either tables or fields for the same type. Makes sense,
because SeaBIOS uses fields only when no tables are present.
We do this by searching the SMBIOS blob for a previously added table
or field. Error messages look like this:
qemu-system-x86_64: -smbios type=1,serial=42: SMBIOS type 1 table already defined, cannot add field
User needs to know that "table" is defined by -smbios file=..., and
"field" by -smbios type=...
Instead of searching the blob, record additions of interest, and check
that. Simpler, and makes better error messages possible:
qemu-system-x86_64: -smbios file=smbios_type_1.bin: Can't mix file= and type= for same type
qemu-system-x86_64: -smbios type=1,serial=42,serial=99: This is the conflicting setting
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
So that it can be set in config file for -readconfig.
This tightens parsing of -smbios, and makes it more consistent with
other options: unknown parameters are rejected, numbers with trailing
junk are rejected, when a parameter is given multiple times, last
rather than first wins, ...
MST: drop one chunk to fix build errors
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It exits on all error conditions but one, where it returns -1.
Normalize, and return void.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently Xen hvm s3 has a bug coming from the difference between
qemu-traditioanl and qemu-xen. For qemu-traditional, the way to
resume from hvm s3 is via 'xl trigger' command. However, for
qemu-xen, the way to resume from hvm s3 inherited from standard
qemu, i.e. via QMP, and it doesn't work under Xen.
The root cause is, for qemu-xen, 'xl trigger' command didn't reset
devices, while QMP didn't unpause hvm domain though they did qemu
system reset.
We have two qemu patches and one xl patch to fix Xen hvm s3 bug.
This patch is the qemu patch 1. It adjusts qemu wakeup so that
Xen s3 resume logic (which will be implemented at qemu patch 2)
will be notified after qemu system reset.
Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Define PARAM so that we have two versions of the "desc_codec
and family" structs. Add a property called "mixer" whose default
value depends on whether CONFIG_MIXEMU is defined or not which
will help us call the appropriate instance init functions.
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Move common defines and structs to a header file.
The next commit will include it twice, once for a device with a
mixer, and once for device without a mixer.
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
# By Aurelien Jarno (1) and Vincenzo Maffione (1)
# Via Stefan Hajnoczi
* stefanha/net:
e1000: NetClientInfo.receive_iov implemented
pcnet-pci: mark I/O and MMIO as LITTLE_ENDIAN
Message-id: 1379699613-5338-1-git-send-email-stefanha@redhat.com
# By Stefan Hajnoczi (4) and others
# Via Stefan Hajnoczi
* stefanha/block:
virtio-blk: do not relay a previous driver's WCE configuration to the current
blockdev: do not default cache.no-flush to true
block: don't lose data from last incomplete sector
qcow2: Correct snapshots size for overlap check
coroutine: fix /perf/nesting coroutine benchmark
coroutine: add qemu_coroutine_yield benchmark
qemu-timer: do not take the lock in timer_pending
qemu-timer: make qemu_timer_mod_ns() and qemu_timer_del() thread-safe
qemu-timer: drop outdated signal safety comments
osdep: warn if open(O_DIRECT) on fails with EINVAL
libcacard: link against qemu-error.o for error_report()
Message-id: 1379698931-946-1-git-send-email-stefanha@redhat.com
# By Stefan Weil (8) and others
# Via Michael Tokarev
* mjt/trivial-patches:
tests/.gitignore: ignore test-throttle
exec: Fix broken build for MinGW (regression)
kvm: Fix compiler warning (clang)
tcg-sparc: Fix parenthesis warning
Makefile: Remove some more files when cleaning
target-i386: Fix segment cache dump
iov: avoid "orig_len may be used unitialized" warning
vscclient: remove unnecessary use of uninitialized variable
trace-events: Clean up with scripts/cleanup-trace-events.pl again
tci: Fix qemu-alpha on 32 bit hosts (wrong assertions)
*-user: Improve documentation for lock_user function
MAINTAINERS: Add missing entry to filelist for TCI target
translate-all: Fix formatting of dump output
*-user: Fix typo in comment (ulocking -> unlocking)
docs: Fix IO port number for CPU present bitmap.
q35: Fix typo in constant DEFUALT -> DEFAULT.
configure: Undefine _FORTIFY_SOURCE prior using it
Message-id: 1379696296-32105-1-git-send-email-mjt@msgid.tls.msk.ru
# By Alexey Kardashevskiy (3) and others
# Via Paolo Bonzini
* qemu-kvm/uq/master:
target-i386: add feature kvm_pv_unhalt
linux-headers: update to 3.12-rc1
target-i386: forward CPUID cache leaves when -cpu host is used
linux-headers: update to 3.11
kvm: fix traces to use %x instead of %d
kvmvapic: Clear also physical ROM address when entering INACTIVE state
kvmvapic: Enter inactive state on hardware reset
kvmvapic: Catch invalid ROM size
kvm irqfd: support direct msimessage to irq translation
fix steal time MSR vmsd callback to proper opaque type
kvm: warn if num cpus is greater than num recommended
cpu: Move cpu state syncs up into cpu_dump_state()
exec: always use MADV_DONTFORK
Message-id: 1379694292-1601-1-git-send-email-pbonzini@redhat.com
# By Hervé Poussineau (5) and Stefan Weil (1)
# Via Paolo Bonzini
* bonzini/scsi-next:
block/iscsi: Drop iscsi_co_get_block_status for older versions of libiscsi
lsi: add 53C810 variant
lsi: remove todo
lsi: ignore write accesses to CTEST0 registers
lsi: check ssid versus sdid only if ssid is valid
lsi: use constant name instead of its value
