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Otherwise we'll see the packet free twice in the trace log even though
it actually happens only once.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Reported packets which have completed before being cancelled as such to the
host. Note that the new code path this patch adds is untested since it I've
been unable to actually trigger the race which needs this code path.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Update copyright headers to reflect all the work Gerd and I have been doing
on the EHCI emulation.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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-combine the qh check with the check for devaddr changes
-also ensure that p gets set to NULL when the queue gets cancelled on
devaddr change, which was not done properly before this patch
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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This reverts commit 9bc3a3a216e2689bfcdd36c3e079333bbdbf3ba0, which got
added to fix an issue where the real, underlying cause was not stopping
the ep queue on an error.
Now that the underlying cause is fixed by the "usb: Halt ep queue and
cancel pending packets on a packet error" patch, the "don't flush" fix
is no longer needed.
Not only is it not needed, it causes us to see cancellations (unlinks)
done by the Linux EHCI driver too late, which in combination with the new
usb-core packet-id generation where qtd addresses are used as ids, causes
duplicate ids for in flight packets.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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This can happen with usb-redir live-migration when the packet gets re-queued
after the migration and the original queuing from the migration source side
has already finished.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This way the hcd can re-use the same packet to retry without needing
to re-init it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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If an (emulated) usb-device tries to write more data to a packet then
its iov len, this will trigger an assert in usb_packet_copy(), and if
a driver somehow circumvents that check and writes more data to the
iov then there is space, we have a much bigger problem then not correctly
reporting babble to the guest.
In practice babble will only happen with (real) redirected devices, and there
both the usb-host os and the qemu usb-device code already check for it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This is not used anymore and only written to.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch makes rtc_set_time and rtc_set_cmos work without reading
s->current_tm. In the case of rtc_set_time I introduce a new
function that retrieves the time and stores into a given struct tm
(not hard-coded to s->current_tm). In the case of rtc_set_cmos, the
current time is similarly taken from a struct tm rather than
s->current_tm.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch limits further the usage of a periodic timer. It computes the
time of the next alarm, and uses it to skip all intermediate occurrences
of the timer.
Cc: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The first update cycle begins one-half seconds after divider
reset is removed. This feature is useful for testing.
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Calculate guest RTC based on the time of the last update, instead of
using timers. The formula is
(base_rtc + guest_time_now - guest_time_last_update + offset)
Base_rtc is the RTC value when the RTC was last updated.
Guest_time_now is the guest time when the access happens.
Guest_time_last_update was the guest time when the RTC was last updated.
Offset is used when divider reset happens or the set bit is toggled.
The timer is kept in order to signal interrupts, but it only needs to
run when either UF or AF is cleared. When the bits are both set, the
timer does not run.
UIP is now synthesized when reading register A. If the timer is not set,
or if there is more than one second before it (as is the case at the
end of this series), the leading edge of UIP is computed and the rising
edge occurs 220us later. If the update timer occurs within one second,
however, the rising edge of the AF and UF bits should coincide withe
the falling edge of UIP. We do not know exactly when this will happen
because there could be delays in the servicing of the timer. Hence, in
this case reading register A only computes for the rising edge of UIP,
and latches the bit until the timer is fired and clears it.
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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If an interrupt flag is already set when the interrupt becomes enabled,
raise an interrupt immediately, and vice versa if interrupts become
disabled.
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Changing the DM (binary/BCD) and 24/12 control bit doesn't affect the internal
registers. It only indicates what format is used for those registers.
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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* qemu-kvm/uq/master:
kvm: i386: Add classic PCI device assignment
kvm: i386: Add services required for PCI device assignment
kvm: Introduce kvm_has_intx_set_mask
kvm: Introduce kvm_irqchip_update_msi_route
kvm: Clean up irqfd API
qemu: Use valgrind annotations to mark kvm guest memory as defined
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* mst/tags/for_anthony:
vhost: Pass device path to vhost_dev_init()
monitor: Rename+move net_handle_fd_param -> monitor_handle_fd_param
pcie_aer: clear cmask for Advanced Error Interrupt Message Number
pcie: drop version_id field for live migration
qemu: add .exrc
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* 'spice.v59' of git://anongit.freedesktop.org/spice/qemu:
Remove #ifdef QXL_COMMAND_FLAG_COMPAT_16BPP
qxl: Add set_client_capabilities() interface to QXLInterface
spice: make number of surfaces runtime-configurable.
configure: print spice-protocol and spice-server versions
qxl: add QXL_IO_MONITORS_CONFIG_ASYNC
qxl: disallow unknown revisions
qxl/update_area_io: guest_bug on invalid parameters
spice: increase the verbosity of spice section in "qemu --help"
spice: adding seamless-migration option to the command line
spice: add 'migrated' flag to spice info
spice migration: add QEVENT_SPICE_MIGRATE_COMPLETED
spice: notify on vm state change only via spice_server_vm_start/stop
spice: notify spice server on vm start/stop
spice: abort on invalid streaming cmdline params
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* 'queue/qmp' of git://repo.or.cz/qemu/qmp-unstable:
tcx: tcx_screen_dump(): add error handling
tcx: tcx24_screen_dump(): add error handling
g364fb: g364fb_screen_dump(): add error handling
omap_lcdc: omap_ppm_save(): add error handling
omap_lcdc: rename ppm_save() to omap_ppm_save()
vga: ppm_save(): add error handling
qapi: convert screendump
console: vga_hw_screen_dump_ptr: take Error argument
error: add error_setg()
json-parser: Fix potential NULL pointer segfault
qapi: Fix potential NULL pointer segfault
qapi: convert sendkey
monitor: move key_defs[] table and introduce two help functions
qapi: add the QKeyCode enum
qapi: generate list struct and visit_list for enum
hmp: rename arguments
monitor: rename keyname '<' to 'less'
fix doc of using raw values with sendkey
Add support for pretty-printing response in qmp-shell
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Report from smatch:
mcf5206.c:384 m5206_mbar_readb(7) error: buffer overflow 'm5206_mbar_width' 128 <= 128
mcf5206.c:403 m5206_mbar_readw(8) error: buffer overflow 'm5206_mbar_width' 128 <= 128
mcf5206.c:427 m5206_mbar_readl(8) error: buffer overflow 'm5206_mbar_width' 128 <= 128
mcf5206.c:451 m5206_mbar_writeb(9) error: buffer overflow 'm5206_mbar_width' 128 <= 128
mcf5206.c:475 m5206_mbar_writew(9) error: buffer overflow 'm5206_mbar_width' 128 <= 128
mcf5206.c:503 m5206_mbar_writel(9) error: buffer overflow 'm5206_mbar_width' 128 <= 128
m5206_mbar_width has 0x80 elements and supports 0 <= offset < 0x200.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Report from smatch:
hw/wm8750.c:369 wm8750_tx(12) error: buffer overflow 's->i2c_data' 2 <= 2
It looks like the preprocessor statements were simply misplaced.
Replace also __FUNCTION__ by __func__ to please checkpatch.pl.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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This adds PCI device assignment for i386 targets using the classic KVM
interfaces. This version is 100% identical to what is being maintained
in qemu-kvm for several years and is supported by libvirt as well. It is
expected to remain relevant for another couple of years until kernels
without full-features and performance-wise equivalent VFIO support are
obsolete.
A refactoring to-do that should be done in-tree is to model MSI and
MSI-X support via the generic PCI layer, similar to what VFIO is already
doing for MSI-X. This should improve the correctness and clean up the
code from duplicate logic.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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No need to expose the fd-based interface, everyone will already be fine
with the more handy EventNotifier variant. Rename the latter to clarify
that we are still talking about irqfds here.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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The old arithmetic assumed 32 physical address bits which is no longer
true for ARM since 3cc0cd61f4.
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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The lan9118 emulation tries to compute the multicast index by calling
directly the crc32() function from zlib, but fails to get the correct
result.
Use the common compute_mcast_idx() function instead, which gives the
correct result. This fixes IPv6 support.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Find a hopefully proper patch attached. Take it or leave it.
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Henning Schild <henning@hennsch.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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The path to /dev/vhost-net is currently hardcoded in vhost_dev_init().
This needs to be changed so that /dev/vhost-scsi can be used. Pass in
the device path instead of hardcoding it.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The Advanced Error Interrupt Message Number (bits 31:27 of the Root
Error Status Register) is updated when the number of msi messages assigned to a
device changes. Migration of windows 7 on q35 chipset failed because the check
in get_pci_config_device() fails due to cmask being set on these bits. Its valid
to update these bits and we must restore this state across migration.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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While testing q35 live migration, I found that the migration would abort with
the following error: "Unknown savevm section type 76".
The error is due to this check failing in 'vmstate_load_state()':
while(field->name) {
if ((field->field_exists &&
field->field_exists(opaque, version_id)) ||
(!field->field_exists &&
field->version_id <= version_id)) {
The VMSTATE_PCIE_DEVICE() currently has a 'version_id' set to 2. However,
'version_id' in the above check is 1. And thus we fail to load the pcie device
field. Further the code returns to 'qemu_loadvm_state()' which produces the
error that I saw.
I'm proposing to fix this by simply dropping the 'version_id' field from
VMSTATE_PCIE_DEVICE(). VMSTATE_PCI_DEVICE() defines no such field and further
the vmstate_pcie_device that VMSTATE_PCI_DEVICE() refers to is already
versioned. Thus, any versioning issues could be detected at the vmsd level.
Taking a step back, I think that the 'field->version_id' should be compared
against a saved version number for the field not the 'version_id'. Futhermore,
once vmstate_load_state() is called recursively on another vmsd, the check of:
if (version_id > vmsd->version_id) {
return -EINVAL;
}
Will never fail since version_id is always equal to vmsd->version_id. So I'm
wondering why we aren't storing the vmsd version id of the source in the
migration stream?
This patch also renames the 'name' field of vmstate_pcie_device from:
PCIDevice -> PCIEDevice to differentiate it from vmstate_pci_device.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Fix the spelling of 'palette' used in various local variables,
structure members and comments.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Avoids confusion with the global ppm_save() defined in hw/vga.c.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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All devices that register a screen dump callback via
graphic_console_init() are updated.
The new argument is not used in this commit. Error handling will
be added to each device individually later.
This change is a preparation to convert the screendump command
to the QAPI.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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We require spice >= 0.8 now, so this flag is always present.
Signed-off-by: Soren Sandmann <ssp@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This new interface lets spice server inform the guest whether
(a) a client is connected
(b) what capabilities the client has
There is a fixed number (464) of bits reserved for capabilities, and
when the capabilities bits change, the QXL_INTERRUPT_CLIENT interrupt
is generated.
Signed-off-by: Soren Sandmann <ssp@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Revision bumped to 4 for new IO support, enabled for spice-server >=
0.11.1. New io enabled if revision is 4. Revision can be set to 4.
[ kraxel: 3 continues to be the default revision. Once we have a new
stable spice-server release and the qemu patches to enable
the new bits merged we'll go flip the switch and make rev4
the default ]
This io calls the corresponding new spice api
spice_qxl_monitors_config_async to let spice-server read a new guest set
monitors config and notify the client.
On migration reissue spice_qxl_monitors_config_async.
RHBZ: 770842
Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
fixup
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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QXLWorker->start/stop are deprecated since spice-server 0.11.2
Signed-off-by: Yonit Halperin <yhalperi@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Kick next scsi transfer from request release callback instead of command
completion callback, otherwise we might get stuck in case scsi_req_unref()
doesn't release the request instantly due to someone else holding a
reference too.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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One of the recent changes (likely the addition of queuing support) has broken
interrupt endpoints, this patch fixes this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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