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Manage BlockDriverState lifecycle with refcnt, so bdrv_delete() is no
longer public and should be called by bdrv_unref() if refcnt is
decreased to 0.
This is an identical change because effectively, there's no multiple
reference of BDS now: no caller of bdrv_ref() yet, only bdrv_new() sets
bs->refcnt to 1, so all bdrv_unref() now actually delete the BDS.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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QOM CPUState refactorings / X86CPU
* Conversion of global CPU list to QTAILQ - preparing for CPU hot-unplug
* Document X86CPU magic numbers for CPUID cache info
# gpg: Signature made Tue 03 Sep 2013 10:59:22 AM CDT using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found
# By Andreas Färber (3) and Eduardo Habkost (1)
# Via Andreas Färber
* afaerber/tags/qom-cpu-for-anthony:
target-i386: Use #defines instead of magic numbers for CPUID cache info
cpu: Replace qemu_for_each_cpu()
cpu: Use QTAILQ for CPU list
a15mpcore: Use qemu_get_cpu() for generic timers
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# By Stefan Weil (6) and others
# Via Michael Tokarev
* mjt/trivial-patches:
aio / timers: use g_usleep() not sleep()
adlib: sort offsets in portio registration
qmp: fix integer usage in examples
tci: Remove function tcg_out64 (fix broken build)
target-arm: Report unimplemented opcodes (LOG_UNIMP)
pflash_cfi02.c: fix debug macro
configure: Remove unneeded redirections of stderr (pkg-config --exists)
configure: Remove unneeded redirections of stderr (pkg-config --cflags, --libs)
configure: Don't write .pyc files by default (python -B)
curl: qemu_bh_new() can never return NULL
slirp/arp_table.c: Avoid shifting into sign bit of signed integers
configure: disable clang -Wstring-plus-int warning
rdma: silly ipv6 bugfix
misc: Fix some typos in names and comments
slirp: Port redirection option behave differently on Linux and Windows
Message-id: 1378119695-14568-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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# By Gerd Hoffmann (10) and Marcel Apfelbaum (1)
# Via Gerd Hoffmann
* kraxel/usb.88:
usb/dev-hid: Modified usb-tablet category from Misc to Input
Revert "usb-hub: report status changes only once"
usb-hub: add tracepoint for status reports
usb: parallelize usb3 streams
uas: add property for request logging
xhci: reset port when disabling slot
xhci: emulate intr endpoint intervals correctly
xhci: fix endpoint interval calculation
xhci: add port to slot_address tracepoint
xhci: add tracepoint for endpoint state changes
xhci: remove leftover debug printf
Message-id: 1378117055-29620-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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pc,pci,virtio fixes and cleanups
This includes pc and pci cleanups and enhancements,
and a virtio bugfix for level interrupts.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 01 Sep 2013 03:15:36 AM CDT 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:
virtio_pci: fix level interrupts with irqfd
pc: reduce duplication, fix PIIX descriptions
hw: Clean up bogus default boot order
pci: add config space access traces
pc: fix regression for 64 bit PCI memory
pci: Introduce helper to retrieve a PCI device's DMA address space
Message-id: 1378023590-11109-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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staging
QOM device refactorings
* Fix QOM and ISA documentation errors
* Extend object_initialize() et al. to check the instance size
# gpg: Signature made Fri 30 Aug 2013 02:19:48 PM CDT using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found
# By Andreas Färber (14) and others
# Via Andreas Färber
* afaerber/tags/qom-devices-for-anthony:
isa: Fix documentation of isa_register_portio_list()
qom: Assert instance size in object_initialize_with_type()
qom: Pass available size to object_initialize()
qdev: Pass size to qbus_create_inplace()
virtio-mmio: Pass size to virtio_mmio_bus_new()
virtio-ccw: Pass size to virtio_ccw_bus_new()
s390-virtio-bus: Pass size to virtio_s390_bus_new()
virtio-pci: Pass size to virtio_pci_bus_new()
usb: Pass size to usb_bus_new()
scsi: Pass size to scsi_bus_new()
pci: Pass size to pci_bus_new_inplace()
ide: Pass size to ide_bus_new()
ipack: Pass size to ipack_bus_new_inplace()
intel-hda: Pass size to hda_codec_bus_init()
qom: Fix object_initialize_with_type() argument name in documentation
virtio: Remove unnecessary OBJECT() casts
object: Fix typo in qom/object.h
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It was introduced to loop over CPUs from target-independent code, but
since commit 182735efaf956ccab50b6d74a4fed163e0f35660 target-independent
CPUState is used.
A loop can be considered more efficient than function calls in a loop,
and CPU_FOREACH() hides implementation details just as well, so use that
instead.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Introduce CPU_FOREACH(), CPU_FOREACH_SAFE() and CPU_NEXT() shorthand
macros.
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This simplifies the loop and aids with refactoring of CPU list.
Requested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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usb-tablet device was wrongly assigned to Misc category
Reported-by: Markus Armbruster <armbru@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This reverts commit a309ee6e0a256f690760abfba44fceaa52a7c2f3.
This isn't in line with the usb specification and adds regressions,
win7 fails to drive the usb hub for example.
Was added because it "solved" the issue of hubs interacting badly
with the xhci host controller. Now with the root cause being fixed
in xhci (commit <FIXME>) we can revert this one.
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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usb3 bulk endpoints with streams are implicitly pipelined now,
so the requests will actually be processed in parallel. Also
allow them to complete out-of-order.
Fixes stalls in the uas driver.
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Respect the interval for interrupt endpoints, so we don't finish
transfers as fast as possible but at the rate configured by the guest.
Fixes guest deadlocks triggered by interrupt storms.
Cc:
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This converts old style fprintf to traces.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: change patch subject]
Signed-off-by: Alexander Graf <agraf@suse.de>
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PAPR+ requires two RTAS calls to be supported by the hypervisor in
order to allow hotplugging VCPUs from the guest. The "start-cpu" RTAS
call was already there but "stop-self" was not.
This adds the "stop-self" RTAS call.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
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H_SET_MODE is used for controlling various partition settings. One
of these settings is the endianness a guest takes its exceptions in.
Signed-off-by: Anton Blanchard <anton@samba.org>
[agraf: fix whitespace]
Signed-off-by: Alexander Graf <agraf@suse.de>
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Registration of global state belongs into realize so move it there.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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On the sPAPR platform a guest allocates MSI/MSIX vectors via RTAS
hypercalls which return global IRQ numbers to a guest so it only
operates with those and never touches MSIMessage.
Therefore MSIMessage handling is completely hidden in QEMU.
Previously every sPAPR PCI host bridge implemented its own MSI window
to catch msi_notify()/msix_notify() calls from QEMU devices (virtio-pci
or vfio) and route them to the guest via qemu_pulse_irq().
MSIMessage used to be encoded as:
.addr - address within the PHB MSI window;
.data - the device index on PHB plus vector number.
The MSI MR write function translated this MSIMessage to a global IRQ
number and called qemu_pulse_irq().
However the total number of IRQs is not really big (at the moment it is
1024 IRQs starting from 4096) and even 16bit data field of MSIMessage
seems to be enough to store an IRQ number there.
This simplifies MSI handling in sPAPR PHB. Specifically, this does:
1. remove a MSI window from a PHB;
2. add a single memory region for all MSIs to sPAPREnvironment
and spapr_pci_msi_init() to initialize it;
3. encode MSIMessage as:
* .addr - a fixed address of SPAPR_PCI_MSI_WINDOW==0x40000000000ULL;
* .data as an IRQ number.
4. change IRQ allocator to align first IRQ number in a block for MSI.
MSI uses lower bits to specify the vector number so the first IRQ has to
be aligned. MSIX does not need any special allocator though.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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spapr-pci config space accessors use find_dev() to find a PCI device.
However find_dev() only searched on a primary bus and did not do
recursive search through secondary buses so config space access was not
possible for devices other that on a primary bus.
This fixed find_dev() by using the PCI API pci_find_device() function.
This effectively enabled pci bridges on spapr.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Adopt error_report() while at it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Also move one stray debug output into an #ifdef.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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QEMU has 'dtb' option for specifing the device tree file for the kernel.
The patch adds support for this option to the 'virtex_ml507' machine
implementation.
Signed-off-by: Efimov Vasily <real@ispras.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
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A number of users are reporting stalls when using the pseries
hypervisor virtual console.
A simple test case is to paste 15 or 17 characters at a time
into the console. Pasting 15 characters at a time works fine
but pasting 17 characters hangs for a random amount of time.
Other activity (network, qemu monitor etc) unblocks it.
If qemu-char tries to send more than 16 characters at once,
vty_can_receive returns false. At this point we have to
wait for the guest to consume that output. Everything is good
so far.
The problem occurs when the the guest does consume the output.
We need to signal back to the qemu-char layer that we are
ready for more input. Without this we block until something
else kicks us (eg network activity).
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Today we generate the device tree once on machine initialization and then
store the finalized blob in memory to reload it on reset.
This is bad for 2 reasons. First we potentially waste a bunch of RAM for no
good reason, as we have all information required to regenerate the device
tree available anyways.
The second reason is even more important. On machine init when we generate
the device tree for the first time, we don't have all of the devices fully
initialized yet. But the device tree needs to potentially walk devices to
put information about them into the device tree.
Move the generation into a reset function. That way we just generate it new
every time we reset, solving both of the above issues.
Signed-off-by: Alexander Graf <agraf@suse.de>
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This fixes the following assert when -device adlib is used:
ioport.c:240: portio_list_add: Assertion `pio->offset >= off_last' failed.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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If PFLASH_DEBUG is enabled then we have some build errors:
hw/block/pflash_cfi02.c: In function ‘pflash_timer’:
hw/block/pflash_cfi02.c:128:5: error: expected ‘)’ before string constant
hw/block/pflash_cfi02.c:128:5: error: too few arguments to function ‘fprintf’
This patch fixes the problem.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Most typos were found using a modified version of codespell:
accross -> across
issueing -> issuing
TICNT_THRESHHOLD -> TICNT_THRESHOLD
bandwith -> bandwidth
VCARD_7816_PROPIETARY -> VCARD_7816_PROPRIETARY
occured -> occurred
gaurantee -> guarantee
sofware -> software
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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commit 62c96360ae7f2c7a8b029277fbb7cb082fdef7fd
virtio-pci: fix level interrupts
only helps systems without irqfd: on systems with irqfd support we
passed in flag requesting irqfd even when msix is disabled.
As a result, for level interrupts we didn't install an fd handler so
unmasking an fd had no effect.
Fix this up.
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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We have a lot of code duplication between machine types,
this increases with each new machine type
and each new field.
This has already introduced a minor bug: description
for pc-1.3 says "Standard PC" while description for
pc-1.4 is "Standard PC (i440FX + PIIX, 1996)"
which makes you think 1.3 is somehow more standard,
or newer, while in fact it's a revision of the same PC.
This patch addresses this issue by using macros, along
the lines used by PC_COMPAT_X_X - only for
non-property options.
The approach can extend to non-PC machine types.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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To be passed on to object_initialize_with_type().
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> (virtio-ccw)
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to object_initialize().
Since commit 39355c3826f5d9a2eb1ce3dc9b4cdd68893769d6 the argument is
void*, so drop some superfluous (BusState *) casts or direct parent
field usages.
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_initialize().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Use DEVICE() cast to avoid a direct parent field access.
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Use DEVICE() casts instead of direct parent field access.
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Simplify DEVICE() cast to avoid parent field access.
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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There's no need to cast the first argument of object_initialize()
to Object. Remove these unnecessary casts.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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