Problem was introduced in commit c8a6ae8b. The last terminating
'\0' was lost, use the right length 5 ("HALT\0").
Reported-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAmos Kong <akong@redhat.com>
Message-id: 1363774594-21001-1-git-send-email-akong@redhat.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

vfio-pci pull request 20130401

# gpg: Signature made Mon 01 Apr 2013 02:40:45 PM CDT using RSA key ID 3BB08B22
# gpg: Can't check signature: public key not found

# By Alex Williamson
# Via Alex Williamson
* awilliam/tags/vfio-pci-for-qemu-20130401.0:
  vfio: cleanup includes
  vfio: Add bootindex support
  vfio-pci: Move devices to D0 on reset
  vfio-pci: Add extra debugging
  qemu vfio-pci: Graphics device quirks
  qemu vfio-pci: Add support for VGA MMIO and I/O port access
  vfio-pci: Add PCIe capability mangling based on bus type
  vfio-pci: Generalize PCI config mangling
  linux-headers: Update to v3.9-rc2

Signed-off-by: NEdgar E. Iglesias <edgar.iglesias@xilinx.com>

Starting to get messy, put the back in alphabetical order.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Guests may leave devices in a low power state at reboot, but we expect
devices to be woken up for the next boot.  Make this happen.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Often when debugging it's useful to be able to disable bypass paths
so no interactions with the device are missed.  Add some extra debug
options to do this.  Also add device info on read/write BAR accesses,
which is useful when debugging more than one assigned device.  A
couple DPRINTFs also had redundant "vfio:" prefixes.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Graphics cards have a number of different backdoors.  Some of these
are alternative ways to get PCI BAR addresses, some of them are
complete mirrors of PCI config space available through MMIO and
I/O port access.  These quirks cover a number of ATI Radeon and
Nvidia devices.  On the ATI/AMD side, this should enable HD5450
and HD7850 and hopefully a host of devices around those generations.
For Nvidia, my card selection is much more dated.  A 8400gs works
well with both the Window shipped driver and the Nvidia downloaded
driver.  A 7300le works as well, with the caveat that generating
the Window experience index with the Nvidia driver causes the card
to reset several times before generating a BSOD.  An NVS 290 card
seems to run well with the shipped Windows driver, but generates
a BSOD with the Nvidia driver.  All of the Nvidia devices work with
the Linux Nvidia proprietary driver and nouveau, the HD5450 works
with either radeon or fglrx, HD7850 works with vesa and fglrx (not
supported by radeon).  Extremely limited 3D testing.

Device reset is also an issue with graphics.  It's unfortunately
very common that the devices offer no means to reset the card or
doesn't seem effective.  Nvidia devices are pretty good about being
able to get the device to a working state through the VGA BIOS init,
Radeon devices less so, and often require a host reboot.  Work
remains to be done here.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Most VGA cards need some kind of quirk to fully operate since they
hide backdoors to get to other registers outside of PCI config space
within the registers, but this provides the base infrastructure.  If
we could identity map PCI resources for assigned devices we would need
a lot fewer quirks.

To enable this, use a kernel side vfio-pci driver that incorporates
VGA support (v3.9), and use the -vga none option and add the x-vga=on
option for the vfio-pci device.  The "x-" denotes this as an
experimental feature.  You may also need to use a cached copy of the
VGA BIOS for your device, passing it to vfio-pci using the romfile=
option.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Windows seems to pay particular interest to the PCIe header type of
devices and will fail to load drivers if we attach Endpoint devices or
Legacy Endpoint devices to the Root Complex.  We can use
pci_bus_is_express and pci_bus_is_root to determine the bus type and
mangle the type appropriately:

* Legacy PCI
  * No change, capability is unmodified for compatibility.
* PCI Express
  * Integrated Root Complex Endpoint -> Endpoint
* PCI Express Root Complex
  * Endpoint -> Integrated Root Complex Endpoint
  * Legacy Endpoint -> none, capability hidden

We also take this opportunity to explicitly limit supported devices
to Endpoints, Legacy Endpoints, and Root Complex Integrated Endpoints.
We don't currently have support for other types and users often cause
themselves problems by assigning them.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Kernel-side vfio virtualizes all of config space, but some parts are
unique to Qemu.  For instance we may or may not expose the ROM BAR,
Qemu manages MSI/MSIX, and Qemu manages the multi-function bit so that
single function devices can appear as multi-function and vica versa.
Generalize this into a bitmap of Qemu emulated bits.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Unedited scripts/update-linux-headers.sh run against v3.9-rc2 tag
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>

Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

valids can equals to -1 if the reg/mem string is empty. Change the
expression to have an empty xor mask in that case.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

The inner loop should only change the current bit of the result, instead
of the whole result.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

pcmpXstrX instructions in "Equal each" mode force both invalid element
pair to true. It means (upper - MAX(valids, validd)) bits should be set
to 1, not (upper - MAX(valids, validd) + 1).
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

Fix the order of the of the comparisons to match the "Intel 64 and
IA-32 Architectures Software Developer's Manual".
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

pcmpXstrm instructions returns their result in the XMM0 register and
not in the first operand.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

ffs1 returns the first bit set to one starting counting from the most
significant bit.

pcmpXstri returns the most significant bit set to one, starting counting
from the least significant bit.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

The "Intel 64 and IA-32 Architectures Software Developer's Manual" (at
least recent versions) clearly says that the comparison is signed.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

gen_op_mov_TN_reg() loads the value in cpu_T[0], so this temporary should
be used instead of cpu_tmp0.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

# By Dunrong Huang (1) and others
# Via Stefan Hajnoczi
* stefanha/trivial-patches:
  hw/tcx: Remove unused 'addr' field and the property that sets it
  hw/i386/pc: format load_linux function
  configure: show debug-info option in --help output

Remove the sysbus_add_memory and sysbus_del_memory functions. These
are trivial wrappers for mapping a memory region into the system
memory space, and have no users now.  Sysbus devices should never map
their own memory regions anyway; the correct API for mapping an mmio
region is for the creator of the device to use sysbus_mmio_map.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Message-id: 1363358063-23973-6-git-send-email-peter.maydell@linaro.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Make sure we set the buffer to something in the softusb_read_{dmem,pmem}
error paths, since the caller will use the buffer unconditionally.
(Newer gcc is smart enough to spot this and complain about 'may be
used uninitialized'.)
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Message-id: 1364496184-11994-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Don't map the pmem and dmem RAM memory regions in the milkymist-softusb
device itself. Instead just expose them as sysbus mmio regions which
the device creator can map appropriately. This allows us to drop the
pmem_base and dmem_base properties. Instead of going via
cpu_physical_memory_read/_write when the device wants to access the
RAMs, we just keep a host pointer to the memory and use that.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NMichael Walle <michael@walle.cc>
Message-id: 1363358063-23973-5-git-send-email-peter.maydell@linaro.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Just expose the register buffers memory as a standard sysbus mmio
region which the creator of the device can map, rather than
providing a qdev property which the creator has to set to the
base address and then doing the mapping in the device's own
init function.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NMichael Walle <michael@walle.cc>
Message-id: 1363358063-23973-4-git-send-email-peter.maydell@linaro.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Make musicpal-misc into its own (trivial) qdev device, so we
can get rid of the abuse of sysbus_add_memory().
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Message-id: 1363358063-23973-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Make the SysBusDeviceClass::init optional, for devices which
genuinely don't need to do anything here. In particular, simple
devices which can do all their initialization in their
instance_init method don't need either a DeviceClass::realize
or SysBusDeviceClass::init method.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Acked-by: NAndreas Färber <afaerber@suse.de>
Reviewed-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1363358063-23973-2-git-send-email-peter.maydell@linaro.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

The value of "do_interrupt" member of CPUClass shoule be set to a
target-specific function, or it will lead to a segfault like below:

$ moxie-softmmu/qemu-system-moxie -M moxiesim
Segmentation fault

Cc: Anthony Green <green@moxielogic.com>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Andreas Färber <afaerber@suse.de>
Signed-off-by: NDunrong Huang <huangdr@cloud-times.com>
Signed-of-by: NAnthony Green <green@moxielogic.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

The cross i586-mingw32msvc-gcc 4.4.4 from Debian Squeeze does not support
__sync_val_compare_and_swap by default.

Using -march=i686 fixes that and should also result in better code.
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

The type cast must use tcg_target_long instead of long.
This makes a difference for hosts where sizeof(long) != sizeof(void *).

Cc: Anthony Green <green@moxielogic.com>
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NAnthony Green <green@moxielogic.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Tested-by: NLaszlo Ersek <lersek@redhat.com>
Reviewed-by: NLaszlo Ersek <lersek@redhat.com>
Message-id: 1361580039-4459-4-git-send-email-dwmw2@infradead.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Tested-by: NLaszlo Ersek <lersek@redhat.com>
Reviewed-by: NLaszlo Ersek <lersek@redhat.com>
Message-id: 1361580039-4459-3-git-send-email-dwmw2@infradead.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Define and use I440FX_PCI_DEVICE() instead of using DO_UPCAST().
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Tested-by: NLaszlo Ersek <lersek@redhat.com>
Reviewed-by: NLaszlo Ersek <lersek@redhat.com>
Message-id: 1361580039-4459-2-git-send-email-dwmw2@infradead.org
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Linux uses the lowest enslaved MAC address as the MAC address of
the bridge.  Set MAC address to a high value so that it does not
affect the MAC address of the bridge.

Changing the MAC address of the bridge could cause a few seconds
of network downtime.

Cc: qemu-stable@nongnu.org
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Message-id: 1363971468-21154-1-git-send-email-pbonzini@redhat.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

The qdev field is no longer needed, just drop it.
Signed-off-by: NKONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Tested-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1364377755-15508-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

As the virtio-balloon-pci is switched to the new API, we can use QOM
casts.
Signed-off-by: NKONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Tested-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1364377755-15508-6-git-send-email-fred.konrad@greensocs.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

This remove old init and exit function as they are no longer needed.
Signed-off-by: NKONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Tested-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1364377755-15508-5-git-send-email-fred.konrad@greensocs.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>