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Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The facility to use/unuse vectors dynamically is helpful
for virtio but little else: everyone just seems to use
vectors in their init function.
Avoid clearing msix vector use info on reset and load.
For virtio, clear it explicitly.
This should fix regressions reported with ivshmem - though
I didn't test this, I verified that virtio keeps
working like it did.
Tested-by: Cam Macdonell <cam@cs.ualberta.ca>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The bug causes Windows + OVMF hang after reboot since OVMF
checks PMREGMISC to see if IO space is enabled and skip
configuration if it is.
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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setup_ioeventfds() is unnecessary and actually causes a segfault when used
ioeventfd=on is used on the command-line. Since ioeventfds are handled within
the memory API, it can be removed.
Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Add the missing .class_size definition to the arm_gic_info TypeInfo.
This fixes the memory corruption and possible segfault that otherwise
results when the class struct is allocated at too small a size and
the class init function writes off the end of it.
Reported-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Commit 0384783 (scsi-block: remove properties that are not relevant for
passthrough, 2012-07-09) removed one property that should have been
left there, "bootindex".
It also did not touch scsi-generic, while it should have.
Fix both problems.
Reported-by: Alexandre DERUMIER <aderumier@odiso.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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SeaBIOS will issue requests for more than 64k when loading a CD-ROM
image into memory. Support the TCHI register from the AMD PCscsi
spec.
Acked-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add a 'hba_serial' property to the megasas driver. Originally
it would be using a pointer value which would break migration.
Reported-by: Stefan Weil <sw@weilnetz.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This reverts commit 145c7c880ff520a9348cc2401ba291330b9606fe.
Signed-off-by: malc <av1474@comtv.ru>
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This reverts commit 482f7bf86b43af9f6903c52726fedf82b28bf953.
Signed-off-by: malc <av1474@comtv.ru>
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This reverts commit f278d4947fff814dcde2ef2acad36d172ff8be35.
Signed-off-by: malc <av1474@comtv.ru>
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This patch provides a way to optionally suppress spurious interrupts,
as a workaround for systems described below:
Some old operating systems do not handle spurious interrupts well,
and qemu tends to generate them significantly more often than
real hardware.
Examples:
- Microport UNIX System V/386 v 2.1 (ca 1987)
(The main problem I'm fixing: Without this patch, it panics
sporadically when accessing the hard disk.)
- AT&T UNIX System V/386 Release 4.0 Version 2.1a (ca 1991)
See screenshot in "QEMU Official OS Support List":
http://www.claunia.com/qemu/objectManager.php?sClass=application&iId=9
(I don't have this system to test.)
- A report about OS/2 boot lockup from 2004 by Hampa Hug:
http://lists.nongnu.org/archive/html/qemu-devel/2004-09/msg00367.html
(My patch was partially inspired by his.)
Also: http://lists.nongnu.org/archive/html/qemu-devel/2005-06/msg00243.html
(I don't have this system to test.)
Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net>
Signed-off-by: malc <av1474@comtv.ru>
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This patch adds some optional compatibility hacks (default
disabled) to allow Microport UNIX to function under qemu.
I've tried to structure it to be easy to add more hacks for other
old CGA programs, if anyone ever needs them.
Microport UNIX System V/386 v 2.1 (ca 1987) tries to program
the CGA registers directly with neither the assistance of BIOS, nor
with proper handling of EGA/VGA-only registers. Note that it didn't
work on real VGA hardware, either (although in that case, the most
obvious problems seemed to be out-of-range hsync and/or vsync
signalling, rather than the issues in this patch).
Eventually real MDA and/or CGA support might provide an alternative to
this patch, although a hybrid approach like this patch might still
be useful in marginal cases.
Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net>
Signed-off-by: malc <av1474@comtv.ru>
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These are normally ifdefed out and don't matter. But if you enable
them, they ought to be correct.
Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net>
Signed-off-by: malc <av1474@comtv.ru>
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We do not register ioeventfds unless the IVSHMEM_IOEVENTFD feature
is set. The same feature must be checked before releasing the eventfds.
Regression introduced by commit 563027c (ivshmem: use EventNotifier and
memory API, 2012-07-05).
Reported-by: Cam Macdonnell <cam@cs.ualberta.ca>
Tested-by: Cam Macdonnell <cam@cs.ualberta.ca>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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object_deinit is only called when the reference count goes to zero,
and yet tries to do an object_unparent. Now, object_unparent
either does nothing or it will decrease the reference count.
Because we know the reference count is zero, the object_unparent
call in object_deinit is useless.
Instead, we need to disconnect the object from its parent just
before we remove the last reference apart from the parent's. This
happens in object_delete. Once we do this, all calls to
object_unparent peppered through QEMU can go away.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This allows any QEMU binary to be executed with:
$QEMU_BINARY -M none -qmp stdio
Without errors from missing options that are required by various boards. This
also provides a mode that we can use in the future to construct machines
entirely through QMP commands.
Cc: Daniel Berrange <berrange@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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* bonzini/scsi-next:
virtio-scsi: add backwards-compatibility properties for 1.1 and earlier machines
iscsi: fix races between task completion and abort
iscsi: simplify iscsi_schedule_bh
iscsi: move iscsi_schedule_bh and iscsi_readv_writev_bh_cb
Revert "iscsi: Fix NULL dereferences / races between task completion and abort"
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* kwolf/for-anthony:
virtio-blk: hide VIRTIO_BLK_F_CONFIG_WCE from old machine types
Documentation: Warn against qemu-img on active image
vmdk: Read footer for streamOptimized images
vmdk: Fix header structure
Conflicts:
hw/virtio-blk.c
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* kraxel/usb.59:
ehci: Fix setting of halt bit from usbcmd register updates
ehci: fix Interrupt Threshold Control implementation
usb: update uas product id
usb: async control xfer fixup
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Adopt the QOM parent field name and enforce QOM-style access via casts.
Don't just typedef PCIHostState, either use it directly or embed it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Use PCIHostState and PCI_HOST_BRIDGE() where appropriate.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The preceding commits fixed misuses of FROM_SYSBUS() that led people to
add a bogus busdev field. For qdev the field order was less relevant but
for QOM the PCIHostState field (including the SysBusDevice actually
initialized with a value) must be placed first within the state struct.
To facilitate accessing the PCIHostState fields, derive all PCI host
bridges from TYPE_PCI_HOST_BRIDGE rather than TYPE_SYS_BUS_DEVICE.
We can now access PCIHostState QOM-style, with PCI_HOST_BRIDGE() macro.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constants and cast macros.
Avoid accessing parent fields directly.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant. Introduce cast macro to drop bogus busdev field
that would've broken SYS_BUS_DEVICE(). Avoid accessing parent fields
directly.
Free the identifier phb as acronym for PCI_HOST_BRIDGE.
Updated against conflicting merge from branch 'agraf/ppc-for-upstream'
(0d16fdd732d1b211842fa96b7c90ddf9e6bde0e4), which removed busdev field
differently, moved some code around and added new occurrences of 'phb'.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant and cast macro. Avoid accessing parent fields
directly.
Also add missing space and braces.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant and cast macro. Avoid accessing parent fields
directly.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant and cast macro. Avoid accessing its parent field
directly.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant. Introduce cast macro to drop dummy busdev field
used with FROM_SYSBUS() macro that would've broken SYS_BUS_DEVICE().
Avoid accessing DeviceState indirectly through PCIHostState.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant. Introduce cast macro to drop dummy busdev field
used with FROM_SYSBUS() that would've broken SYS_BUS_DEVICE().
Avoid accessing parent fields directly.
Drop no-op reset function.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant. Introduce cast macro and drop dummy busdev
field used with FROM_SYSBUS() that would've broken SYS_BUS_DEVICE().
Avoid accessing parent fields directly.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant. Avoid accessing DeviceState or SysBusDevice
indirectly through PCIHostState field.
Drop global state by passing BonitoState as opaque and adding the IRQs
and a pointer to PCIBonitoState to its state.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant and cast macro. Don't access DeviceState
or PCIHostState indirectly through parent fields.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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During the QOM migration they were amended with further info but this is
no longer the case. All static TypeInfos can be const these days.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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QEMU has a policy of keeping a stable guest device ABI. When new guest device
features are introduced they must not change hardware info seen by existing
guests. This is important because operating systems or applications may
"fingerprint" the hardware and refuse to run when the hardware changes. To
always get the latest guest device ABI, run with x86 machine type "pc".
This patch hides the new VIRTIO_BLK_F_CONFIG_WCE virtio feature bit from
existing machine types. Only pc-1.2 and later will expose this feature
by default.
For more info on the VIRTIO_BLK_F_CONFIG_WCE feature bit, see:
commit 13e3dce068773c971ff2f19d986378c55897c4a3
Author: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu Aug 9 16:07:19 2012 +0200
virtio-blk: support VIRTIO_BLK_F_CONFIG_WCE
Also rename VIRTIO_BLK_F_WCACHE to VIRTIO_BLK_F_WCE for consistency with
the spec.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Anthony Liguori <aliguori@us.ibm.com> reported:
This broke qemu-test because it changed the pc-1.0 machine type:
Setting guest RANDOM seed to 47167
*** Running tests ***
Running test /tests/finger-print.sh... OK
--- fingerprints/pc-1.0.x86_64 2011-12-18 13:08:40.000000000 -0600
+++ fingerprint.txt 2012-08-12 13:30:48.000000000 -0500
@@ -55,7 +55,7 @@
/sys/bus/pci/devices/0000:00:06.0/subsystem_device=0x0002
/sys/bus/pci/devices/0000:00:06.0/class=0x010000
/sys/bus/pci/devices/0000:00:06.0/revision=0x00
-/sys/bus/pci/devices/0000:00:06.0/virtio/host-features=0x710006d4
+/sys/bus/pci/devices/0000:00:06.0/virtio/host-features=0x71000ed4
/sys/class/dmi/id/bios_vendor=Bochs
/sys/class/dmi/id/bios_date=01/01/2007
/sys/class/dmi/id/bios_version=Bochs
Guest fingerprint changed for pc-1.0!
Reported-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This MMIO area is an entry gate to legacy PC ISA devices, addressed via
PIO over there. Quite a few of the PIO ports have side effects on access
like starting/stopping timers that must be executed properly ordered
/wrt the CPU. So we have to remove the coalescing mark.
Acked-by: Hervé Poussineau <hpoussin@reactos.org>
Acked-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Hotplug and parameter change are new in 1.2, disable them via compat
properties for pc-1.1 and earlier.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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pc_cmos_init() always claims 640KiB base memory, and ram_size - 1MiB
extended memory. The latter can underflow to "lots of extended
memory". Fix both, and clean up some.
Note: SeaBIOS currently requires 1MiB of RAM, and doesn't check
whether it got enough.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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hw/scsi-bus.c:758: warning: ‘xfer’ may be used uninitialized in this
function
Isn't true, but older gcc versions (for example 4.1 as shipped in rhel5)
are not clever enougth to figure, so sprinkle in a default: line to make
them happy.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Use g_strdup_printf() instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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QEMU has a policy of keeping a stable guest device ABI. When new guest device
features are introduced they must not change hardware info seen by existing
guests. This is important because operating systems or applications may
"fingerprint" the hardware and refuse to run when the hardware changes. To
always get the latest guest device ABI, run with x86 machine type "pc".
This patch hides the new VIRTIO_BLK_F_CONFIG_WCE virtio feature bit from
existing machine types. Only pc-1.2 and later will expose this feature
by default.
For more info on the VIRTIO_BLK_F_CONFIG_WCE feature bit, see:
commit 13e3dce068773c971ff2f19d986378c55897c4a3
Author: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu Aug 9 16:07:19 2012 +0200
virtio-blk: support VIRTIO_BLK_F_CONFIG_WCE
Also rename VIRTIO_BLK_F_WCACHE to VIRTIO_BLK_F_WCE for consistency with
the spec.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Anthony Liguori <aliguori@us.ibm.com> reported:
This broke qemu-test because it changed the pc-1.0 machine type:
Setting guest RANDOM seed to 47167
*** Running tests ***
Running test /tests/finger-print.sh... OK
--- fingerprints/pc-1.0.x86_64 2011-12-18 13:08:40.000000000 -0600
+++ fingerprint.txt 2012-08-12 13:30:48.000000000 -0500
@@ -55,7 +55,7 @@
/sys/bus/pci/devices/0000:00:06.0/subsystem_device=0x0002
/sys/bus/pci/devices/0000:00:06.0/class=0x010000
/sys/bus/pci/devices/0000:00:06.0/revision=0x00
-/sys/bus/pci/devices/0000:00:06.0/virtio/host-features=0x710006d4
+/sys/bus/pci/devices/0000:00:06.0/virtio/host-features=0x71000ed4
/sys/class/dmi/id/bios_vendor=Bochs
/sys/class/dmi/id/bios_date=01/01/2007
/sys/class/dmi/id/bios_version=Bochs
Guest fingerprint changed for pc-1.0!
Reported-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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qemu_system_reset() function always performs the same basic actions on
all machines. This includes running all the reset handler hooks,
however the order in which these will run is not always easily predictable.
This patch splits the core of qemu_system_reset() - the invocation of
the reset handlers - out into a new qemu_devices_reset() function.
qemu_system_reset() will usually call qemu_devices_reset(), but that
can be now overriden by a new reset method in the QEMUMachine
structure.
Individual machines can use this reset method, if necessary, to
perform any extra, machine specific initializations which have to
occur before or after the bulk of the reset handlers. It's expected
that the method will call qemu_devices_reset() at some point, but if
the machine has really strange ordering requirements between devices
resets it could even override that with it's own reset sequence (with
great care, obviously).
For a specific example of when this might be needed: a number of
machines (but not PC) load images specified with -kernel or -initrd
directly into the machine RAM before booting the guest. This mostly
works at the moment, but to make this actually safe requires that this
load occurs after peripheral devices are reset - otherwise they could
have active DMAs in progress which would clobber the in memory images.
Some machines (notably pseries) also have other entry conditions which
need to be set up as the last thing before executing in guest space -
some of this could be considered "emulated firmware" in the sense that
the actions of the firmware are emulated directly by qemu rather than
by executing a firmware image within the guest. When the platform's
firmware to OS interface is sufficiently well specified, this saves
time both in implementing the "firmware" and executing it.
aliguori: don't unconditionally dereference current_machine
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The pseries machine already supports the -vga std option, creating a
graphics adapter. However, this is not very useful without being able to
add a keyboard and mouse as well. This patch addresses this by adding
a USB interface when requested, and automatically adding a USB keyboard
and mouse when VGA is enabled.
This is a stop gap measure to get usable graphics mode on pseries while
waiting for Li Zhang's rework of USB options to go in after 1.2.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This fixes linux guests started without any USB devices not seeing newly
plugged devices until "lsusb" is done inside the guest.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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First, not all interrupts are subject to Interrupt Threshold Control,
some of them must be delivered without delay.
Second, Interrupt Threshold Control state must be part of vmstate,
otherwise we might loose IRQs on migration.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Pick other product id to fix clash with audio.
Current usage list (after applying this patch):
46f4:0001 -- usb-storage
46f4:0002 -- usb-audio
46f4:0003 -- usb-uas
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Need to clear p->result after copying setup data using usb_packet_copy()
because we'll reuse the USBPacket for the data transfer.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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* agraf/ppc-for-upstream: (24 commits)
openpic: Added BRR1 register
pseries: Update SLOF firmware image
pseries dma: DMA window params added to PHB and DT population changed
pseries: Add PCI MSI/MSI-X support
pseries: Add trace event for PCI irqs
pseries: Export find_phb() utility function for PCI code
pseries: added allocator for a block of IRQs
pseries: Separate PCI RTAS setup from common from emulation specific PCI setup
pseries: Rework irq assignment to avoid carrying qemu_irqs around
pseries: Remove extraneous prints
pseries: Update SLOF
PPC: spapr: Remove global variable
PPC: spapr: Rework VGA select logic
xbzrle: fix compilation on ppc32
spapr: Add support for -vga option
Add one new file vga-pci.h and cleanup on all platforms
Revert "PPC: e500: Use new MPIC dt format"
ppc: Fix bug in handling of PAPR hypercall exits
PPC: e500: add generic e500 platform
PPC: e500: split mpc8544ds machine from generic e500 code
...
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* stefanha/trivial-patches:
ivshmem, qdev-monitor: fix order of qerror parameters
iov_send_recv(): Handle zero bytes case even if OS does not
framebuffer: Fix spelling in comment (leight -> height)
Spelling fix in comment (peripherans -> peripherals)
docs: Fix spelling (propery -> property)
trace: Fix "Qemu" -> "QEMU"
cputlb.c: Fix out of date comment
ehci: fix assertion typo
Makefile: Avoid explicit list of directories in clean target
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Linux mpic driver uses (changes may be in pipeline to get upstreamed soon)
BRR1. This patch adds the support to emulate readonly FSL BRR1 register.
Currently QEMU does not fully emulate any version on MPIC, so the MPIC
Major number and Minor number are set to 0.
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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