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The seek command just sends step pulses to the drive and doesn't care if
there is a medium inserted of if it is banging the head against the drive.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The programmed rate has to be the same as the required rate for the
floppy format ; if that's not the case, the transfer should abort.
This check can be disabled by using the 'check_media_rate' property.
Save media rate value only if media rate check is enabled.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Set it to true for current Qemu versions, and false for previous ones
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Floppies must be read at a specific transfer rate, depending of its own format.
Update floppy description table to include required transfer rate.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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DIR and CCR registers share the same address ; DIR is read-only
while CCR is write-only
CCR register is used to change media transfer rate, which will be
checked in following changes.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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A real floppy doesn't attempt to write to read-only media either.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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In fact, only three control commands generate an interrupt:
read_id, recalibrate and seek
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This bit must be active while a command is currently executed.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Floppies can be simple or double-sided. However, current code
was only taking the common case into account (ie 2 sides).
This repairs single-sided floppies, which where totally broken
before this patch : for track > 0, wrong sector number was
calculated, and data was read/written at wrong place on
underlying device.
Fortunately, only some 360 kB floppies are single-sided, so
this bug was probably not seen much.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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* aneesh/for-upstream:
hw/9pfs: Endian fixes for virtfs
./configure: add option for disabling VirtFS
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The guest network stack might DHCPREQUEST an address that the slirp built
in dhcp server can't let it have - for example if the guest has an old
leases file from another network configuration. In this case the dhcp
server should and does reject the request and prepares to send a DHCPNAK
to the client.
However, in this case the daddr variable in bootp_reply() is set to
0.0.0.0. Shortly afterwards, it unconditionally attempts to pre-insert the
new client address into the ARP table. This causes an assertion failure in
arp_address_add() because of the 0.0.0.0 address.
According to RFC2131, DHCPNAK messages for clients on the same subnet
must be sent to the broadcast address (S3.2, subpoint 2).
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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Replace gotos with a while loop, fix coding style.
CC: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
CC: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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In case we requeued a packet that was the head of a longer session
queue, we failed to restore this ordering. Also, we did not properly
deal with changes to Slirp::next_m.
Instead of a cumbersome roll back, this fix simply avoids any changes
until we know if the packet was actually sent. Both fixes crashes due
to inconsistent queues and simplifies the logic.
Thanks to Zhi Yong Wu who found the reason for these crashes.
CC: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
CC: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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Remove duplicate ifs_init macros, reimplement the logic as static inline
in mbuf.h.
CC: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
CC: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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Static code analysers expect these comments for case statements without
a break statement.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: malc <av1474@comtv.ru>
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On some systems (notably ARM Linux) glibc provides implementations
of makecontext(), getcontext() and friends which are stubs which
always return failure. Make the configure test for makecontext()
also check for the presence of the __stub_makecontext macro which
indicates the presence of these stubs, so we can avoid trying to use
them and fall back to a different coroutine implementation instead.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Fix a bug (introduced in commit a0abe47) where a command line which
specified no machine arguments (either explicitly or implicitly via
-kernel &co) would result in a segfault because of a NULL pointer
returned from qemu_opts_find(qemu_find_opts("machine"), 0).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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These days one just needs to specify the romfile in PCiDeviceInfo and
everything magically works. It also allows to disable pxe rom loading
via "romfile=<emptystring>" like it is possible for all other nics.
[ v2: rebased & adapted to qom changes ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch adds --{enable,disable}-debug-info switches to configure
which allows to include/exclude the '-g' switch on the gcc & ld
command lines. Not building debug info reduces ressource usage
(especially disk) alot and is quite useful for test builds.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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switch console only if needed, also pass down whenever the console was
switched or not because a displaysurface redraw is only needed in case
the console was switched.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The code in console.c verifies whenever a screen_dump function
pointer is present before calling it, so there is no need to supply an
dummy function. Remove them. Also report an error to notify the user
that he didn't got a screenshot.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The displaychangelistener isn't needed at all, we can simply save the
image when vga_hw_update is done instead of hooking into the update
process.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Send qmp events on suspend and wakeup so libvirt
has a chance to track the vm state.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Make the acpi timer wake up the guest.
Guests can enable/disable this via acpi too.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Make the rtc wake up the guest when the alarm fires.
Add acpi windup to property support RTC_EN, so guests
can enable and disable this.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Add a 'wakeup' property to the serial port. It is off by default. When
enabled any incoming character on the serial line will wake up the
guest. Useful for guests which have a serial console configured.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch adds wakeup support to ps/2 emulation. Any key press on the
ps/2 keyboard will wakeup the guest. Likewise any mouse button press
will wakeup the guest. Mouse moves are ignored, so the guest will not
wakeup in case your mouse crosses the vnc window of a suspended guest by
accident.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch adds the system_wakeup monitor command which will simply
wake up suspended guests.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch switches pc s3 suspend over to the new infrastructure.
The cmos_s3 qemu_irq is killed, the new notifier is used instead.
The xen hack goes away with that too, the hypercall can simply be
done in a notifier function now.
This patch also makes the guest actually stay suspended instead
of leaving suspend instantly, so it is useful for more than just
testing whenever the suspend/resume cycle actually works.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch adds some infrastructure to handle suspend and resume to
qemu. First there are two functions to switch state and second there
is a suspend notifier:
* qemu_system_suspend_request is supposed to be called when the
guest asks for being be suspended, for example via ACPI.
* qemu_system_wakeup_request is supposed to be called on events
which should wake up the guest.
* qemu_register_suspend_notifier can be used to register a notifier
which will be called when the guest is suspended. Machine types
and device models can hook in there to modify state if needed.
* qemu_register_wakeup_notifier can be used to register a notifier
which will be called when the guest is woken up. Machine types
and device models can hook in there to modify state if needed.
* qemu_system_wakeup_enable can be used to enable/disable wakeup
events.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Do APCIREGS->pm1.evt.en updates using the new acpi_pm1_evt_write_en
function, so the acpi code will see those updates.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Pretty pointless, can easily be reached via ACPIREGS now.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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All those acpi structs are not independent from each other.
Various acpi functions expecting multiple acpi structs passed
in are a clean indicator for that ;)
So this patch bundles all acpi structs in the new ACPIREGS
struct, then use it everythere pass around acpi state.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Group all structs at the top of hw/acpi.h.
Just moving around lines, no code changes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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* stefanha/trivial-patches:
slirp/misc: fix gcc __warn_memset_zero_len warnings
vl.c: Increase width of machine name column in "-M ?" output
tcg: Remove unneeded include statements
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* mdroth/qga-win32-pull-2-23-12:
qemu-ga: add win32 guest-shutdown command
qemu-ga: add Windows service integration
qemu-ga: add initial win32 support
qemu-ga: fixes for win32 build of qemu-ga
qemu-ga: rename guest-agent-commands.c -> commands-posix.c
qemu-ga: separate out common commands from posix-specific ones
qemu-ga: move channel/transport functionality into wrapper class
qemu-ga: Add schema documentation for types
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* qmp/queue/qmp:
qmp: add DEVICE_TRAY_MOVED event
ide: drop ide_tray_state_post_load()
block: Don't call bdrv_eject() if the tray state didn't change
block: bdrv_eject(): Make eject_flag a real bool
block: Rename bdrv_mon_event() & BlockMonEventAction
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* kwolf/for-anthony: (46 commits)
qemu-iotests: common.config: Allow use of arbitrary qemu* paths
qemu-iotests: check: print relevant path information
qemu-iotests: test loading internal snapshots
qemu-iotests: Update filter for default cluster size
qemu-iotests: add qed support to 025 image resize test
qemu-iotests: Update rbd support
qemu-iotests: common.config: Fix no $TEST_DIR directory
qemu-iotests: only run 016 for file and sheepdog protocols
qemu-iotests: Use zero-based offsets for IO patterns
qemu-iotests: add support for rbd and sheepdog protocols
qemu-iotests: filter IMGFMT correctly in 019
qemu-iotests: README: Fix spelling
qemu-iotests: add support for qed format
qemu-iotests: filter TEST_DIR correctly in 019
qemu-iotests: fix 019 golden output
qemu-iotests: update expected results after qemu-img changes
qemu-iotests: add read/write from smaller backing image test
qemu-iotests: add sub-cluster allocating write test for sparse image formats
qemu-iotests: improve test for qemu-img convert with backing file
qemu-iotests: consider more cases in parsing qemu-io output
...
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* bonzini/virtio-scsi:
scsi-block: always use scsi_generic_ops for cache != none
scsi: fix searching for an empty id
scsi: fix wrong return for target INQUIRY
virtio-scsi: add migration support
virtio-scsi: process control queue requests
virtio-scsi: add basic SCSI bus operation
virtio-scsi: Add basic request processing infrastructure
virtio-scsi: Add virtio-scsi stub device
scsi-disk: add migration support
scsi-generic: add migration support
scsi: add SCSIDevice vmstate definitions
scsi-disk: enable scatter/gather functionality
scsi: add scatter/gather functionality
scsi: pass residual amount to command_complete
ahci: use new DMA helpers
dma-helpers: add accounting wrappers
dma-helpers: add dma_buf_read and dma_buf_write
dma-helpers: make QEMUSGList target independent
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Move the logic to transform the 48-char model ID into the 12-word model
value into a helper.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Move the logic for setting the stepping field into a helper function.
To make the function self-contained and to prepare for future
unordered/multiple uses, mask out any previous stepping values first.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Move the logic for setting the model and extended model fields
into a helper function.
To make the function self-contained and to prepare for future
unordered/multiple uses, mask out any previous model values first.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Move the logic for setting the family and extended family into a
helper function.
To make the helper self-contained and in preparation of future
unordered/multiple uses, mask out any previous family values first.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Simply use consoles[] instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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I'm trying to improve this code's error reporting, and the debug code
is getting in my way: it clutters the code, it clobbers errno in
inconvenient places, and it uses the same fprintf() both for error
reporting and debug output in a few places.
Get rid of it. Once decent error reporting is in place, adding back
whatever debug code we need shouldn't be hard.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Stash away the option argument with add_device_config(), so we still
have its location when we get around to parsing it.
This doesn't improve any messages I can see just yet, but that'll
change shortly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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These are -bt, -serial, -virtcon, -parallel, -debugcon, -usbdevice.
Improves messages emitted via proper error reporting interfaces. For
instance:
$ qemu-system-x86_64 -nodefaults -S -usb -usbdevice net:vlan=xxx
qemu-system-x86_64: Parameter 'vlan' expects a number
becomes:
qemu-system-x86_64: -usbdevice net:vlan=xxx: Parameter 'vlan' expects a number
Many more remain unimproved, because they're fprintf()ed. The next
few commits will take care of that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Cleaned up silently in commit aad04cd0, but that just got reverted.
Re-apply this part.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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