Fam Zheng [Thu, 4 Jun 2015 06:45:16 +0000 (14:45 +0800)]
net/socket: Drop net_socket_can_send
This callback is called by main loop before polling s->fd, if it returns
false, the fd will not be polled in this iteration.
This is redundant with checks inside read callback. After this patch,
the data will be sent to peer when it arrives. If the device can't
receive, it will be queued to incoming_queue, and when the device status
changes, this queue will be flushed.
If the peer is not ready, disable the read poll until send completes.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id:
1433400324-7358-6-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Fam Zheng [Thu, 4 Jun 2015 06:45:15 +0000 (14:45 +0800)]
netmap: Drop netmap_can_send
This callback is called by main loop before polling s->fd, if it returns
false, the fd will not be polled in this iteration.
This is redundant with checks inside read callback. After this patch,
the data will be copied from s->fd to s->iov when it arrives. If the
device can't receive, it will be queued to incoming_queue, and when the
device status changes, this queue will be flushed.
Also remove the qemu_can_send_packet() check in netmap_send. If it's
true, we are good; if it's false, the qemu_sendv_packet_async would
return 0 and read poll will be disabled until netmap_send_completed is
called.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id:
1433400324-7358-5-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Fam Zheng [Thu, 4 Jun 2015 06:45:14 +0000 (14:45 +0800)]
l2tpv3: Drop l2tpv3_can_send
This callback is called by main loop before polling s->fd, if it returns
false, the fd will not be polled in this iteration.
This is redundant with checks inside read callback. After this patch,
the data will be copied from s->fd to s->msgvec when it arrives. If the
device can't receive, it will be queued to incoming_queue, and when the
device status changes, this queue will be flushed.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id:
1433400324-7358-4-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Fam Zheng [Thu, 4 Jun 2015 06:45:12 +0000 (14:45 +0800)]
stubs: Add qemu_set_fd_handler
Some qemu_set_fd_handler2 stub callers will be converted to
call qemu_set_fd_handler, add this stub for them before making the
change.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id:
1433400324-7358-2-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Peter Maydell [Thu, 11 Jun 2015 14:33:38 +0000 (15:33 +0100)]
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, acpi, virtio
Most notably this includes virtio 1 patches
Still not all devices converted, and not fully spec compliant,
so disabled by default.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu Jun 11 12:53:08 2015 BST using RSA key ID
D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream: (42 commits)
i386/acpi-build: fix PXB workarounds for unsupported BIOSes
i386/acpi-build: more traditional _UID and _HID for PXB root buses
vhost-scsi: move qdev properties into vhost-scsi.c
virtio-9p-device: move qdev properties into virtio-9p-device.c
virtio-serial-bus: move qdev properties into virtio-serial-bus.c
virtio-rng: move qdev properties into virtio-rng.c
virtio-scsi: move qdev properties into virtio-scsi.c
virtio-net.h: Remove unsed DEFINE_VIRTIO_NET_PROPERTIES
virtio-net: move qdev properties into virtio-net.c
virtio-input: emulated devices [pci]
virtio-input: core code & base class [pci]
pci: add PCI_CLASS_INPUT_*
virtio-pci: fill VirtIOPCIRegions early.
virtio-pci: drop identical virtio_pci_cap
virtio-pci: move cap type to VirtIOPCIRegion
virtio-pci: move virtio_pci_add_mem_cap call to virtio_pci_modern_region_map
virtio-pci: add virtio_pci_modern_region_map()
virtio-pci: add virtio_pci_modern_regions_init()
virtio-pci: add struct VirtIOPCIRegion for virtio-1 regions
virtio-balloon: switch to virtio_add_feature
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Thu, 11 Jun 2015 13:40:25 +0000 (14:40 +0100)]
Merge remote-tracking branch 'remotes/kraxel/tags/pull-sdl-
20150611-1' into staging
sdl2: fix crash in handle_windowevent() when restoring the screen size
# gpg: Signature made Thu Jun 11 08:57:38 2015 BST using RSA key ID
D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-sdl-
20150611-1:
sdl2: fix crash in handle_windowevent() when restoring the screen size
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Eric Auger [Thu, 11 Jun 2015 08:44:40 +0000 (09:44 +0100)]
hw/vfio/platform: replace g_malloc0_n by g_new0
g_malloc0_n() is introduced since glib-2.24 while QEMU currently
requires glib-2.22. This may cause a link error on some distributions.
Signed-off-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Thu, 11 Jun 2015 11:12:58 +0000 (12:12 +0100)]
Merge remote-tracking branch 'remotes/spice/tags/pull-spice-
20150611-1' into staging
spice: fix segfault in qemu_spice_create_update, ui_info tweaks.
# gpg: Signature made Thu Jun 11 08:48:49 2015 BST using RSA key ID
D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/spice/tags/pull-spice-
20150611-1:
spice: ui_info tweaks
spice-display: fix segfault in qemu_spice_create_update
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Laszlo Ersek [Thu, 11 Jun 2015 00:37:59 +0000 (02:37 +0200)]
i386/acpi-build: fix PXB workarounds for unsupported BIOSes
The patch
apci: fix PXB behaviour if used with unsupported BIOS
uses the following condition to see if a "PXB mem/IO chunk" has *not* been
configured by the BIOS:
(!range_base || range_base > range_limit)
When this condition evaluates to true, said patch *omits* the
corresponding entry from the _CRS.
Later on the patch checks for the opposite condition (with the intent of
*adding* entries to the _CRS if the "PXB mem/IO chunks" *have* been
configured). Unfortunately, the condition was negated incorrectly: only
the first ! operator was removed, which led to the nonsensical expression
(range_base || range_base > range_limit)
leading to bogus entries in the _CRS, and causing BSOD in Windows Server
2012 R2 when it runs on OVMF.
The correct negative of the condition seen at the top is
(range_base && range_base <= range_limit)
Fix the expressions.
Cc: Marcel Apfelbaum <marcel@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Laszlo Ersek [Thu, 11 Jun 2015 00:37:58 +0000 (02:37 +0200)]
i386/acpi-build: more traditional _UID and _HID for PXB root buses
The ACPI specification permits the _HID and _UID objects to evaluate to
strings. (See "6.1.5 _HID (Hardware ID)" and "6.1.12 _UID (Unique ID)" in
the ACPI v6.0 spec.)
With regard to related standards, the UEFI specification can also express
a device address composed from string _HID and _UID identifiers, inside
the Expanded ACPI Device Path Node. (See "9.3.3 ACPI Device Path", Table
49, in the UEFI v2.5 spec.)
However, numeric (integer) contents for both _HID and _UID are more
traditional. They are recommended by the UEFI spec for size reasons:
[...] the ACPI Device Path node is smaller and should be used if
possible to reduce the size of device paths that may potentially be
stored in nonvolatile storage [...]
External tools support them better (for example the --acpi_hid and
--acpi_uid options of "efibootmgr" only take numeric identifiers).
Finally, numeric _HID and _UID contents are existing practice in the QEMU
source.
This patch was tested with a Fedora 20 LiveCD and a preexistent Windows
Server 2012 R2 guest. Using "acpidump" and "iasl" in the Fedora guest, we
get, in the SSDT:
> Scope (\_SB)
> {
> Device (PC04)
> {
> Name (_UID, 0x04) // _UID: Unique ID
> Name (_HID, EisaId ("PNP0A03") /* PCI Bus */) // _HID: Hardware ID
Cc: Marcel Apfelbaum <marcel@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Peter Maydell [Thu, 11 Jun 2015 10:18:11 +0000 (11:18 +0100)]
Merge remote-tracking branch 'remotes/kraxel/tags/pull-gtk-
20150611-1' into staging
gtk: don't exit early in case gtk init fails
# gpg: Signature made Thu Jun 11 10:38:29 2015 BST using RSA key ID
D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-gtk-
20150611-1:
gtk: don't exit early in case gtk init fails
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Gerd Hoffmann [Fri, 5 Jun 2015 11:07:58 +0000 (13:07 +0200)]
gtk: don't exit early in case gtk init fails
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Gerd Hoffmann [Fri, 13 Mar 2015 11:21:50 +0000 (12:21 +0100)]
spice: ui_info tweaks
Use the new dpy_ui_info_supported function.
Clarifies the control flow.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gerd Hoffmann [Tue, 9 Jun 2015 19:08:47 +0000 (21:08 +0200)]
spice-display: fix segfault in qemu_spice_create_update
Although it is pretty unusual the stride for the guest image and the
mirror image maintained by spice-display can be different. So use
separate variables for them.
https://bugzilla.redhat.com/show_bug.cgi?id=1163047
Cc: qemu-stable@nongnu.org
Reported-by: perrier vincent <clownix@clownix.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Peter Maydell [Wed, 10 Jun 2015 17:13:58 +0000 (18:13 +0100)]
Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-
20150610-1' into staging
stdvga: factor out mmio subregion init
virtio-gpu: add virtio gpu core code, 2d mode
# gpg: Signature made Wed Jun 10 10:03:11 2015 BST using RSA key ID
D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-vga-
20150610-1:
virtio-gpu/2d: add virtio gpu core code
virtio: update headers, add virtio-gpu (2d)
stdvga: factor out mmio subregion init
stdvga: pass VGACommonState instead of PCIVGAState
stdvga: fix offset in pci_vga_ioport_read
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Shannon Zhao [Wed, 10 Jun 2015 15:04:36 +0000 (23:04 +0800)]
vhost-scsi: move qdev properties into vhost-scsi.c
As only one place in vhost-scsi.c uses DEFINE_VHOST_SCSI_PROPERTIES,
there is no need to expose it. Inline it into vhost-scsi.c to avoid
wrongly use.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Shannon Zhao [Wed, 10 Jun 2015 15:04:35 +0000 (23:04 +0800)]
virtio-9p-device: move qdev properties into virtio-9p-device.c
As only one place in virtio-9p-device.c uses
DEFINE_VIRTIO_9P_PROPERTIES, there is no need to expose it. Inline it
into virtio-9p-device.c to avoid wrongly use.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Shannon Zhao [Wed, 10 Jun 2015 15:04:34 +0000 (23:04 +0800)]
virtio-serial-bus: move qdev properties into virtio-serial-bus.c
As only one place in virtio-serial-bus.c uses
DEFINE_VIRTIO_SERIAL_PROPERTIES, there is no need to expose it. Inline
it into virtio-serial-bus.c to avoid wrongly use.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Shannon Zhao [Wed, 10 Jun 2015 15:04:33 +0000 (23:04 +0800)]
virtio-rng: move qdev properties into virtio-rng.c
As only one place in virtio-rng.c uses DEFINE_VIRTIO_RNG_PROPERTIES,
there is no need to expose it. Inline it into virtio-rng.c to avoid
wrongly use.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Shannon Zhao [Wed, 10 Jun 2015 15:04:32 +0000 (23:04 +0800)]
virtio-scsi: move qdev properties into virtio-scsi.c
As only one place in virtio-scsi.c uses DEFINE_VIRTIO_SCSI_PROPERTIES
and DEFINE_VIRTIO_SCSI_FEATURES, there is no need to expose them. Inline
them into virtio-scsi.c to avoid wrongly use.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Shannon Zhao [Wed, 10 Jun 2015 15:04:31 +0000 (23:04 +0800)]
virtio-net.h: Remove unsed DEFINE_VIRTIO_NET_PROPERTIES
Remove unsed DEFINE_VIRTIO_NET_PROPERTIES in virtio-net.h and delete a
space typo.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Shannon Zhao [Wed, 10 Jun 2015 15:04:30 +0000 (23:04 +0800)]
virtio-net: move qdev properties into virtio-net.c
As only one place in virtio-net.c uses DEFINE_VIRTIO_NET_FEATURES,
there is no need to expose it. Inline it into virtio-net.c to avoid
wrongly use.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:42 +0000 (12:34 +0200)]
virtio-input: emulated devices [pci]
This patch adds virtio-pci support for the emulated virtio-input
devices. Using them is as simple as adding "-device virtio-tablet-pci"
to your command line. If you want add multiple devices but don't want
waste a pci slot for each you can compose a multifunction device this way:
qemu -device virtio-keyboard-pci,addr=0d.0,multifunction=on \
-device virtio-tablet-pci,addr=0d.1,multifunction=on
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:41 +0000 (12:34 +0200)]
virtio-input: core code & base class [pci]
This patch adds the virtio-pci support bits for virtio-input-device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:40 +0000 (12:34 +0200)]
pci: add PCI_CLASS_INPUT_*
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:39 +0000 (12:34 +0200)]
virtio-pci: fill VirtIOPCIRegions early.
Initialize the modern bar and the VirtIOPCIRegion fields early, in
realize. Also add a size field to VirtIOPCIRegion and variables for
pci bars to VirtIOPCIProxy.
This allows virtio-pci subclasses to change things before the
device_plugged callback applies them. virtio-vga will use that to
arrange regions in a way that virtio-vga is compatible to both stdvga
(in vga mode) and virtio-gpu-pci (in pci mode).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:38 +0000 (12:34 +0200)]
virtio-pci: drop identical virtio_pci_cap
Now the three struct virtio_pci_caps are identical,
lets drop two of them ;)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:37 +0000 (12:34 +0200)]
virtio-pci: move cap type to VirtIOPCIRegion
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:36 +0000 (12:34 +0200)]
virtio-pci: move virtio_pci_add_mem_cap call to virtio_pci_modern_region_map
Also fill offset and length automatically,
from VirtIOPCIRegion->offset and region size.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:35 +0000 (12:34 +0200)]
virtio-pci: add virtio_pci_modern_region_map()
Add function to map modern virtio regions.
Add offset to VirtIOPCIRegion.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:34 +0000 (12:34 +0200)]
virtio-pci: add virtio_pci_modern_regions_init()
Add init function for the modern pci regions,
move over the init code.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:33 +0000 (12:34 +0200)]
virtio-pci: add struct VirtIOPCIRegion for virtio-1 regions
For now just place the MemoryRegion there,
following patches will add more.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:32 +0000 (12:34 +0200)]
virtio-balloon: switch to virtio_add_feature
This was missed during the conversion of feature bit manipulation.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Thu, 4 Jun 2015 10:34:31 +0000 (12:34 +0200)]
virtio_balloon: header update
add modern header
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Jason Wang [Thu, 4 Jun 2015 10:34:30 +0000 (12:34 +0200)]
virtio-pci: correctly set host notifiers for modern bar
Currently, during host notifier set. We only add eventfd for legacy
bar, this is not correct since:
- Non-transitional device does not have legacy bar, so qemu will crash
since proxy->bar was not initialized.
- Modern device uses modern bar and notify cap to notify the device,
we should add eventfd for proxy->notify.
So this patch fixes the above two issues by adding eventfd based on
whether legacy or modern device were supported.
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>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:29 +0000 (12:34 +0200)]
virtio-pci: make modern bar 64bit + prefetchable
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:28 +0000 (12:34 +0200)]
virtio-pci: change & document virtio pci bar layout.
This patch adds variables for the pci bars (to get rid of the magic
numbers in the code) and moves the modern virtio bar to region 4 so
regions 2+3 are kept free. virtio-vga wants use them.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:27 +0000 (12:34 +0200)]
virtio-pci: make QEMU_VIRTIO_PCI_QUEUE_MEM_MULT smaller
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Gerd Hoffmann [Thu, 4 Jun 2015 10:34:26 +0000 (12:34 +0200)]
virtio-pci: add flags to enable/disable legacy/modern
Add VIRTIO_PCI_FLAG_DISABLE_LEGACY and VIRTIO_PCI_FLAG_DISABLE_MODERN
for VirtIOPCIProxy->flags. Also add properties for them. They can be
used to disable modern (virtio 1.0) or legacy (virtio 0.9) modes.
By default only legacy is advertized, modern will be turned on by
default once all remaining spec compilance issues are addressed.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Thu, 4 Jun 2015 10:34:25 +0000 (12:34 +0200)]
virtio-pci: switch to modern accessors for 1.0
virtio 1.0 config space is in LE format for all
devices, use modern wrappers when accessed through
the 1.0 BAR.
Reported-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Thu, 4 Jun 2015 10:34:24 +0000 (12:34 +0200)]
virtio: add modern config accessors
virtio 1.0 defines config space as LE,
as opposed to pre-1.0 which was native endian.
Add API for transports to execute word/dword accesses in
little endian format - will be useful for mmio
and pci (byte access is also wrapped, for completeness).
For simplicity, we still keep config in host native
endian format, byteswap to LE on guest access.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Thu, 4 Jun 2015 10:34:23 +0000 (12:34 +0200)]
virtio: generation counter support
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Thu, 4 Jun 2015 10:34:22 +0000 (12:34 +0200)]
virtio-pci: initial virtio 1.0 support
This is somewhat functional. With this, and linux driver from my tree,
I was able to use virtio net as virtio 1.0 device for light browsing.
At the moment, dataplane and vhost code is
still missing.
Based on Cornelia's virtio 1.0 patchset:
Date: Thu, 11 Dec 2014 14:25:02 +0100
From: Cornelia Huck <cornelia.huck@de.ibm.com>
To: virtualization@lists.linux-foundation.org, qemu-devel@nongnu.org
Cc: rusty@rustcorp.com.au, thuth@linux.vnet.ibm.com, mst@redhat.com,
Cornelia Huck <cornelia.huck@de.ibm.com>
Subject: [PATCH RFC v6 00/20] qemu: towards virtio-1 host support
Message-Id: <
1418304322-7546-1-git-send-email-cornelia.huck@de.ibm.com>
which is itself still missing some core bits.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Thu, 4 Jun 2015 10:34:21 +0000 (12:34 +0200)]
linux-headers: add virtio_pci
Easier than duplicating code.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:20 +0000 (12:34 +0200)]
vhost: 64 bit features
Make sure that all vhost interfaces use 64 bit features, as the virtio
core does, and make sure to use ULL everywhere possible to be on the
safe side.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Thu, 4 Jun 2015 10:34:19 +0000 (12:34 +0200)]
vhost_net: add version_1 feature
Add VERSION_1 to list of features that we should
test at the backend.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:18 +0000 (12:34 +0200)]
virtio-net: enable virtio 1.0
virtio-net (non-vhost) now should have everything in place to support
virtio 1.0: let's enable the feature bit for it.
Note that VIRTIO_F_VERSION_1 is technically a transport feature; once
every device is ready for virtio 1.0, we can move setting this
feature bit out of the individual devices.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:17 +0000 (12:34 +0200)]
virtio-net: support longer header
virtio-1 devices always use num_buffers in the header, even if
mergeable rx buffers have not been negotiated.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:16 +0000 (12:34 +0200)]
virtio-net: no writeable mac for virtio-1
Devices operating as virtio 1.0 may not allow writes to the mac
address in config space.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:15 +0000 (12:34 +0200)]
virtio: allow to fail setting status
virtio-1 allow setting of the FEATURES_OK status bit to fail if
the negotiated feature bits are inconsistent: let's fail
virtio_set_status() in that case and update virtio-ccw to post an
error to the guest.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:14 +0000 (12:34 +0200)]
virtio: disallow late feature changes for virtio-1
For virtio-1 devices, the driver must not attempt to set feature bits
after it set FEATURES_OK in the device status. Simply reject it in
that case.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:13 +0000 (12:34 +0200)]
dataplane: allow virtio-1 devices
Handle endianness conversion for virtio-1 virtqueues correctly.
Note that dataplane now needs to be built per-target.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:12 +0000 (12:34 +0200)]
virtio: allow virtio-1 queue layout
For virtio-1 devices, we allow a more complex queue layout that doesn't
require descriptor table and rings on a physically-contigous memory area:
add virtio_queue_set_rings() to allow transports to set this up.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Cornelia Huck [Thu, 4 Jun 2015 10:34:11 +0000 (12:34 +0200)]
virtio: endianness checks for virtio 1.0 devices
Add code that checks for the VERSION_1 feature bit in order to make
decisions about the device's endianness. This allows us to support
transitional devices.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Peter Maydell [Wed, 10 Jun 2015 15:52:34 +0000 (16:52 +0100)]
Merge remote-tracking branch 'remotes/kraxel/tags/pull-fw_cfg-
20150610-1' into staging
fw_cfg: drop write support, qemu cmdline support, bugfixes.
bios-tables-test: fix smbios test.
# gpg: Signature made Wed Jun 10 07:29:53 2015 BST using RSA key ID
D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-fw_cfg-
20150610-1:
bios-tables-test: handle false-positive smbios signature matches
fw_cfg: insert fw_cfg file blobs via qemu cmdline
fw_cfg: prohibit insertion of duplicate fw_cfg file names
fw_cfg: prevent selector key conflict
fw_cfg: remove support for guest-side data writes
fw_cfg: fix FW_CFG_BOOT_DEVICE update on ppc and sparc
fw_cfg: add fw_cfg_modify_i16 (update) method
QemuOpts: increase number of vm_config_groups
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Wed, 10 Jun 2015 14:46:39 +0000 (15:46 +0100)]
Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-
20150609.0' into staging
Initial VFIO platform device support, v2 (Eric Auger, et al.)
# gpg: Signature made Tue Jun 9 15:25:40 2015 BST using RSA key ID
3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg: aka "Alex Williamson <alex@shazbot.org>"
# gpg: aka "Alex Williamson <alwillia@redhat.com>"
# gpg: aka "Alex Williamson <alex.l.williamson@gmail.com>"
* remotes/awilliam/tags/vfio-update-
20150609.0:
hw/vfio/platform: calxeda xgmac device
hw/vfio/platform: add irq assignment
hw/vfio/platform: vfio-platform skeleton
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Wed, 10 Jun 2015 14:10:14 +0000 (15:10 +0100)]
Merge remote-tracking branch 'remotes/stefanha/tags/CVE-2015-3209-pcnet-tx-buffer-fix-pull-request' into staging
# gpg: Signature made Wed Jun 10 15:04:11 2015 BST using RSA key ID
81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/CVE-2015-3209-pcnet-tx-buffer-fix-pull-request:
pcnet: force the buffer access to be in bounds during tx
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Petr Matousek [Sun, 24 May 2015 08:53:44 +0000 (10:53 +0200)]
pcnet: force the buffer access to be in bounds during tx
4096 is the maximum length per TMD and it is also currently the size of
the relay buffer pcnet driver uses for sending the packet data to QEMU
for further processing. With packet spanning multiple TMDs it can
happen that the overall packet size will be bigger than sizeof(buffer),
which results in memory corruption.
Fix this by only allowing to queue maximum sizeof(buffer) bytes.
This is CVE-2015-3209.
[Fixed 3-space indentation to QEMU's 4-space coding standard.
--Stefan]
Signed-off-by: Petr Matousek <pmatouse@redhat.com>
Reported-by: Matt Tait <matttait@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Jason Wang [Fri, 5 Jun 2015 03:05:58 +0000 (23:05 -0400)]
vhost: put log correctly in vhost_dev_start()
We allocate an dummy log even if the size is zero. So we should put it
unconditionally too.
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>
Gerd Hoffmann [Wed, 10 Sep 2014 12:12:28 +0000 (14:12 +0200)]
virtio-gpu/2d: add virtio gpu core code
This patch adds the core code for virtio gpu emulation,
covering 2d support.
Written by Dave Airlie and Gerd Hoffmann.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gerd Hoffmann [Fri, 22 May 2015 13:37:33 +0000 (15:37 +0200)]
virtio: update headers, add virtio-gpu (2d)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gerd Hoffmann [Wed, 8 Apr 2015 07:50:46 +0000 (09:50 +0200)]
stdvga: factor out mmio subregion init
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gerd Hoffmann [Wed, 8 Apr 2015 07:09:49 +0000 (09:09 +0200)]
stdvga: pass VGACommonState instead of PCIVGAState
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gerd Hoffmann [Wed, 8 Apr 2015 07:03:54 +0000 (09:03 +0200)]
stdvga: fix offset in pci_vga_ioport_read
Simliar to pci_vga_ioport_write.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gabriel L. Somlo [Mon, 18 May 2015 12:47:24 +0000 (08:47 -0400)]
bios-tables-test: handle false-positive smbios signature matches
It has been reported that sometimes the .rodata section of SeaBIOS,
containing the constant string against which the SMBIOS signature
ends up being compared, also falls within the guest f-segment. In
that case, the test obviously fails, unless we continue searching
for the *real* SMBIOS entry point.
Rather than stopping at the first match for the SMBIOS signature
("_SM_") in the f-segment (0xF0000-0xFFFFF), continue scanning
until either a valid entry point table is found, or the f-segment
has been exhausted.
Reported-by: Bruce Rogers <brogers@suse.com>
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Tested-by: Bruce Rogers <brogers@suse.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gabriel L. Somlo [Wed, 29 Apr 2015 15:21:53 +0000 (11:21 -0400)]
fw_cfg: insert fw_cfg file blobs via qemu cmdline
Allow user supplied files to be inserted into the fw_cfg
device before starting the guest. Since fw_cfg_add_file()
already disallows duplicate fw_cfg file names, qemu will
exit with an error message if the user supplies multiple
blobs with the same fw_cfg file name, or if a blob name
collides with a fw_cfg name programmatically added from
within the QEMU source code. A warning message will be
printed if the fw_cfg item name does not begin with the
prefix "opt/", which is recommended for external, user
provided blobs.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gabriel L. Somlo [Wed, 29 Apr 2015 15:21:52 +0000 (11:21 -0400)]
fw_cfg: prohibit insertion of duplicate fw_cfg file names
Exit with an error (instead of simply logging a trace event)
whenever the same fw_cfg file name is added multiple times via
one of the fw_cfg_add_file[_callback]() host-side API calls.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gabriel L. Somlo [Wed, 29 Apr 2015 15:21:51 +0000 (11:21 -0400)]
fw_cfg: prevent selector key conflict
Enforce a single assignment of data for each distinct selector key.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gabriel L. Somlo [Wed, 29 Apr 2015 15:21:50 +0000 (11:21 -0400)]
fw_cfg: remove support for guest-side data writes
From this point forward, any guest-side writes to the fw_cfg
data register will be treated as no-ops. This patch also removes
the unused host-side API function fw_cfg_add_callback(), which
allowed the registration of a callback to be executed each time
the guest completed a full overwrite of a given fw_cfg data item.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gabriel L. Somlo [Mon, 8 Jun 2015 18:10:45 +0000 (14:10 -0400)]
fw_cfg: fix FW_CFG_BOOT_DEVICE update on ppc and sparc
On ppc, sparc, and sparc64, the value of the FW_CFG_BOOT_DEVICE 16bit
fw_cfg entry is repeatedly modified from a series of callbacks, which
currently results in the previous value's dynamically allocated memory
being leaked.
This patch switches updating to the new fw_cfg_modify_i16() call, which
does not cause memory leaks.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gabriel L. Somlo [Mon, 8 Jun 2015 18:10:44 +0000 (14:10 -0400)]
fw_cfg: add fw_cfg_modify_i16 (update) method
Allow the ability to modify the value of an existing 16-bit integer
fw_cfg item.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Gerd Hoffmann [Fri, 29 May 2015 12:37:54 +0000 (14:37 +0200)]
QemuOpts: increase number of vm_config_groups
Adding the fw_cfg cmd line support patch by
Gabriel L. Somlo hits the limit.
Fix this by making the array larger.
Cc: Gabriel L. Somlo <somlo@cmu.edu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Peter Maydell [Tue, 9 Jun 2015 14:29:34 +0000 (15:29 +0100)]
Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-
20150609' into staging
Collected TCG patches
# gpg: Signature made Tue Jun 9 15:06:18 2015 BST using RSA key ID
4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg: aka "Richard Henderson <rth@redhat.com>"
# gpg: aka "Richard Henderson <rth@twiddle.net>"
* remotes/rth/tags/pull-tcg-
20150609:
tcg/optimize: rename tcg_constant_folding
tcg/optimize: fold constant test in tcg_opt_gen_mov
tcg/optimize: fold temp copies test in tcg_opt_gen_mov
tcg/optimize: remove opc argument from tcg_opt_gen_mov
tcg/optimize: remove opc argument from tcg_opt_gen_movi
tcg: fix dead computation for repeated input arguments
tcg: fix register allocation with two aliased dead inputs
tcg: Handle MO_AMASK in tcg_dump_ops
tcg: Mask TCGMemOp appropriately for indexing
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Eric Auger [Tue, 9 Jun 2015 08:00:07 +0000 (09:00 +0100)]
hw/vfio/platform: calxeda xgmac device
The platform device class has become abstract. This patch introduces
a calxeda xgmac device that derives from it.
Signed-off-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Aurelien Jarno [Thu, 4 Jun 2015 19:53:27 +0000 (21:53 +0200)]
tcg/optimize: rename tcg_constant_folding
The tcg_constant_folding folding ends up doing all the optimizations
(which is a good thing to avoid looping on all ops multiple time), so
make it clear and just rename it tcg_optimize.
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
1433447607-31184-6-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Aurelien Jarno [Fri, 5 Jun 2015 09:19:18 +0000 (11:19 +0200)]
tcg/optimize: fold constant test in tcg_opt_gen_mov
Most of the calls to tcg_opt_gen_mov are preceeded by a test to check if
the source temp is a constant. Fold that into the tcg_opt_gen_mov
function.
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
1433495958-9508-1-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Aurelien Jarno [Thu, 4 Jun 2015 19:53:25 +0000 (21:53 +0200)]
tcg/optimize: fold temp copies test in tcg_opt_gen_mov
Each call to tcg_opt_gen_mov is preceeded by a test to check if the
source and destination temps are copies. Fold that into the
tcg_opt_gen_mov function.
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
1433447607-31184-4-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Aurelien Jarno [Thu, 4 Jun 2015 19:53:24 +0000 (21:53 +0200)]
tcg/optimize: remove opc argument from tcg_opt_gen_mov
We can get the opcode using the TCGOp pointer. It needs to be
dereferenced, but it's anyway done a few lines below to write
the new value.
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
1433447607-31184-3-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Aurelien Jarno [Thu, 4 Jun 2015 19:53:23 +0000 (21:53 +0200)]
tcg/optimize: remove opc argument from tcg_opt_gen_movi
We can get the opcode using the TCGOp pointer. It needs to be
dereferenced, but it's anyway done a few lines below to write
the new value.
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
1433447607-31184-2-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Aurelien Jarno [Thu, 4 Jun 2015 19:47:08 +0000 (21:47 +0200)]
tcg: fix dead computation for repeated input arguments
When the same temp is used twice or more as an input argument to a TCG
instruction, the dead computation code doesn't recognize the second use
as a dead temp. This is because the temp is marked as live in the same
loop where dead inputs are checked.
The fix is to split the loop in two parts. This avoid emitting a move
and using a register for the movcond instruction when used as "move if
true" on x86-64. This might bring more improvements on RISC TCG targets
which don't have outputs aliased to inputs.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
1433447228-29425-3-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Aurelien Jarno [Thu, 4 Jun 2015 19:47:07 +0000 (21:47 +0200)]
tcg: fix register allocation with two aliased dead inputs
For TCG ops with two outputs registers (add2, sub2, div2, div2u), when
the same input temp is used for the two inputs aliased to the two
outputs, and when these inputs are both dead, the register allocation
code wrongly assigned the same register to the same output.
This happens for example with sub2 t1, t2, t3, t3, t4, t5, when t3 is
not used anymore after the TCG op. In that case the same register is
used for t1, t2 and t3.
The fix is to look for already allocated aliased input when allocating
a dead aliased input and check that the register is not already
used.
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <
1433447228-29425-2-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Richard Henderson [Mon, 1 Jun 2015 21:38:56 +0000 (14:38 -0700)]
tcg: Handle MO_AMASK in tcg_dump_ops
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
Tested-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Richard Henderson [Fri, 29 May 2015 16:16:51 +0000 (09:16 -0700)]
tcg: Mask TCGMemOp appropriately for indexing
The addition of MO_AMASK means that places that used inverted masks
need to be changed to use positive masks, and places that failed to
mask the intended bits need updating.
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
Tested-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Peter Maydell [Tue, 9 Jun 2015 10:07:41 +0000 (11:07 +0100)]
Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-
20150609' into staging
s390x/virtio-ccw: migration and virtio for 2.4
1. Migration fixups
2. virtio 9pfs
# gpg: Signature made Tue Jun 9 09:00:05 2015 BST using RSA key ID
B5A61C7C
# gpg: Good signature from "Christian Borntraeger (IBM) <borntraeger@de.ibm.com>"
* remotes/borntraeger/tags/s390x-
20150609:
s390x/migration: add comment about floating point migration
s390x/kvm: always ignore empty vcpu interrupt state
virtio-ccw/migration: Migrate config vector for virtio devices
virtio-ccw: add support for 9pfs
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Tue, 9 Jun 2015 09:05:29 +0000 (10:05 +0100)]
Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2015-06-09' into staging
Error reporting patches
# gpg: Signature made Tue Jun 9 06:42:15 2015 BST using RSA key ID
EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
* remotes/armbru/tags/pull-error-2015-06-09:
vhost-user: Improve -netdev/netdev_add/-net/... error reporting
QemuOpts: Convert qemu_opt_foreach() to Error
QemuOpts: Drop qemu_opt_foreach() parameter abort_on_failure
blkdebug: Simplify passing of Error through qemu_opts_foreach()
QemuOpts: Convert qemu_opts_foreach() to Error
QemuOpts: Drop qemu_opts_foreach() parameter abort_on_failure
vl: Fail right after first bad -object
vl: Print -device help at most once
vl: Report failure to sandbox at most once
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Alberto Garcia [Mon, 8 Jun 2015 09:12:15 +0000 (11:12 +0200)]
sdl2: fix crash in handle_windowevent() when restoring the screen size
The Ctrl-Alt-u keyboard shortcut restores the screen to its original
size. In the SDL2 UI this is done by destroying the window and
creating a new one. The old window emits SDL_WINDOWEVENT_HIDDEN when
it's destroyed, but trying to call SDL_GetWindowFromID() from that
event's window ID returns a null pointer. handle_windowevent() assumes
that the pointer is never null so it results in a crash.
Cc: qemu-stable@nongnu.org
Signed-off-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Christian Borntraeger [Mon, 8 Jun 2015 10:21:24 +0000 (12:21 +0200)]
s390x/migration: add comment about floating point migration
commit
46c804def4bd ("s390x: move fpu regs into a subsection
of the vmstate") moved the fprs into a subsection and bumped
the version number. This will allow to not transfer fprs in
the future if necessary. Add a comment to mark the return true
as intentional.
CC: Juan Quintela <quintela@redhat.com>
CC: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <
1433758884-2997-1-git-send-email-borntraeger@de.ibm.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Markus Armbruster [Fri, 13 Mar 2015 13:17:16 +0000 (14:17 +0100)]
vhost-user: Improve -netdev/netdev_add/-net/... error reporting
When -netdev vhost-user fails, it first reports a specific error, then
one or more generic ones, like this:
$ qemu-system-x86_64 -netdev vhost-user,id=foo,chardev=xxx
qemu-system-x86_64: -netdev vhost-user,id=foo,chardev=xxx: chardev "xxx" not found
qemu-system-x86_64: -netdev vhost-user,id=foo,chardev=xxx: No suitable chardev found
qemu-system-x86_64: -netdev vhost-user,id=foo,chardev=xxx: Device 'vhost-user' could not be initialized
With the command line, the messages go to stderr. In HMP, they go to
the monitor. In QMP, the last one becomes the error reply, and the
others go to stderr.
Convert net_init_vhost_user() and its helpers to Error. This
suppresses the unwanted unspecific error messages, and makes the
specific error the QMP error reply.
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Markus Armbruster [Thu, 12 Mar 2015 07:40:25 +0000 (08:40 +0100)]
QemuOpts: Convert qemu_opt_foreach() to Error
Retain the function value for now, to permit selective conversion of
its callers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Markus Armbruster [Thu, 12 Mar 2015 06:45:10 +0000 (07:45 +0100)]
QemuOpts: Drop qemu_opt_foreach() parameter abort_on_failure
When the argument is non-zero, qemu_opt_foreach() stops on callback
returning non-zero, and returns that value.
When the argument is zero, it doesn't stop, and returns the callback's
value from the last iteration.
The two callers that pass zero could just as well pass one:
* qemu_spice_init()'s callback add_channel() either returns zero or
exit()s.
* config_write_opts()'s callback config_write_opt() always returns
zero.
Drop the parameter, and always stop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Markus Armbruster [Fri, 13 Mar 2015 12:38:42 +0000 (13:38 +0100)]
blkdebug: Simplify passing of Error through qemu_opts_foreach()
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-block@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Markus Armbruster [Fri, 13 Mar 2015 12:35:14 +0000 (13:35 +0100)]
QemuOpts: Convert qemu_opts_foreach() to Error
Retain the function value for now, to permit selective conversion of
its callers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Markus Armbruster [Fri, 13 Mar 2015 10:07:24 +0000 (11:07 +0100)]
QemuOpts: Drop qemu_opts_foreach() parameter abort_on_failure
When the argument is non-zero, qemu_opts_foreach() stops on callback
returning non-zero, and returns that value.
When the argument is zero, it doesn't stop, and returns the bit-wise
inclusive or of all the return values. Funky :)
The callers that pass zero could just as well pass one, because their
callbacks can't return anything but zero:
* qemu_add_globals()'s callback qdev_add_one_global()
* qemu_config_write()'s callback config_write_opts()
* main()'s callbacks default_driver_check(), drive_enable_snapshot(),
vnc_init_func()
Drop the parameter, and always stop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Markus Armbruster [Fri, 13 Mar 2015 12:08:36 +0000 (13:08 +0100)]
vl: Fail right after first bad -object
Failure to create an object with -object is a fatal error. However,
we delay the actual exit until all -object are processed. On the one
hand, this permits detection of genuine additional errors. On the
other hand, it can muddy the waters with uninteresting additional
errors, e.g. when a later -object tries to reference a prior one that
failed.
We generally stop right on the first bad option, so do that for
-object as well.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Markus Armbruster [Fri, 13 Mar 2015 12:02:03 +0000 (13:02 +0100)]
vl: Print -device help at most once
We print it once for each -device help. Not helpful. Stop after the
first one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Markus Armbruster [Fri, 13 Mar 2015 11:59:43 +0000 (12:59 +0100)]
vl: Report failure to sandbox at most once
It's reported once per -sandbox on. Stop on the first failure, like
we do for other options.
Not fixed: "-sandbox on -sandbox off" should leave the sandbox off.
It doesn't.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Eric Auger [Mon, 8 Jun 2015 15:25:26 +0000 (09:25 -0600)]
hw/vfio/platform: add irq assignment
This patch adds the code requested to assign interrupts to
a guest. The interrupts are mediated through user handled
eventfds only.
Signed-off-by: Eric Auger <eric.auger@linaro.org>
Tested-by: Vikram Sethi <vikrams@codeaurora.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Eric Auger [Mon, 8 Jun 2015 15:25:25 +0000 (09:25 -0600)]
hw/vfio/platform: vfio-platform skeleton
Minimal VFIO platform implementation supporting register space
user mapping but not IRQ assignment.
Signed-off-by: Kim Phillips <kim.phillips@linaro.org>
Signed-off-by: Eric Auger <eric.auger@linaro.org>
Tested-by: Vikram Sethi <vikrams@codeaurora.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Peter Maydell [Mon, 8 Jun 2015 14:57:41 +0000 (15:57 +0100)]
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* KVM error improvement from Laurent
* CONFIG_PARALLEL fix from Mirek
* Atomic/optimized dirty bitmap access from myself and Stefan
* BUILD_DIR convenience/bugfix from Peter C
* Memory leak fix from Shannon
* SMM improvements (though still TCG only) from myself and Gerd, acked by mst
# gpg: Signature made Fri Jun 5 18:45:20 2015 BST using RSA key ID
78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (62 commits)
update Linux headers from kvm/next
atomics: add explicit compiler fence in __atomic memory barriers
ich9: implement SMI_LOCK
q35: implement TSEG
q35: add test for SMRAM.D_LCK
q35: implement SMRAM.D_LCK
q35: add config space wmask for SMRAM and ESMRAMC
q35: fix ESMRAMC default
q35: implement high SMRAM
hw/i386: remove smram_update
target-i386: use memory API to implement SMRAM
hw/i386: add a separate region that tracks the SMRAME bit
target-i386: create a separate AddressSpace for each CPU
vl: run "late" notifiers immediately
qom: add object_property_add_const_link
vl: allow full-blown QemuOpts syntax for -global
pflash_cfi01: add secure property
pflash_cfi01: change to new-style MMIO accessors
pflash_cfi01: change big-endian property to BIT type
target-i386: wake up processors that receive an SMI
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Mon, 8 Jun 2015 13:07:32 +0000 (14:07 +0100)]
Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging
# gpg: Signature made Fri Jun 5 20:59:07 2015 BST using RSA key ID
AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E
* remotes/jnsnow/tags/ide-pull-request:
macio: remove remainder_len DBDMA_io property
macio: update comment/constants to reflect the new code
macio: switch pmac_dma_write() over to new offset/len implementation
macio: switch pmac_dma_read() over to new offset/len implementation
fdc-test: Test state for existing cases more thoroughly
fdc: Fix MSR.RQM flag
fdc: Disentangle phases in fdctrl_read_data()
fdc: Code cleanup in fdctrl_write_data()
fdc: Use phase in fdctrl_write_data()
fdc: Introduce fdctrl->phase
fdc: Rename fdctrl_set_fifo() to fdctrl_to_result_phase()
fdc: Rename fdctrl_reset_fifo() to fdctrl_to_command_phase()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>