"Match a single C-language char (octet) even if that is part of a larger
UTF-8 character. Thus it breaks up characters into their UTF-8 bytes,
so you may end up with malformed pieces of UTF-8."
Just use a period instead.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Replace ad-hoc declarations with the linux header.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1442585920-28373-1-git-send-email-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Steve Ellcey / Leon Alrae reported that QEMU fails to build when
the VPATH directory is outside of the GIT tree, and the system
emulators & tools build is disabled. eg
cd ..
mkdir build
cd build
../qemu/configure --disable-system --disable-tools
make
(...)
make[1]: *** No rule to make target `../qom/object.o', needed by `qemu-aarch64'. Stop.
make: *** [subdir-aarch64-linux-user] Error 2
The problem is due to the fact that some sub directory deps
were listed against SOFTMMU_SUBDIR_RULES instead of SUBDIR_RULES,
so were only processed for system emulators, not user emalutors.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1442570495-22029-1-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Passed-through SCSI devices can be opened with the readonly=on option.
When this happens, Linux filters away write commands so that the guest
cannot overwrite the contents of the device.
However, the guest does not know that the device is read-only, and
accepts writes. The writes only fail later when the page cache is
flushed.
This patch modifies scsi-generic to modify the MODE SENSE data and
set the read-only bit in the device-specific parameters, so that
the guest OS treats the disk as write protected.
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While reading the function I decided to write some tests.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1442419377-9309-2-git-send-email-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Not only it makes sense, but it gets rid of checkpatch warning:
WARNING: consider using qemu_strtosz in preference to strtosz
Also remove get rid of tabs to please checkpatch.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1442419377-9309-1-git-send-email-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The qemu-nbd program currently uses a QemuOpts objects
when setting up sockets. Switch it over to use the
QAPI SocketAddress objects instead.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1442411543-28513-3-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The nbd block driver currently uses a QemuOpts object
when setting up sockets. Switch it over to use the
QAPI SocketAddress object instead.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1442411543-28513-2-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge remote-tracking branch 'remotes/weil/tags/pull-wxx-20150924' into staging
wxx patch queue
# gpg: Signature made Thu 24 Sep 2015 20:24:50 BST using RSA key ID 677450AD
# gpg: Good signature from "Stefan Weil <sw@weilnetz.de>"
# gpg: aka "Stefan Weil <stefan.weil@weilnetz.de>"
# gpg: aka "Stefan Weil <stefan.weil@bib.uni-mannheim.de>"
# 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: 4923 6FEA 75C9 5D69 8EC2 B78A E08C 21D5 6774 50AD
* remotes/weil/tags/pull-wxx-20150924:
oslib-win32: only provide localtime_r/gmtime_r if missing
gtk: avoid redefining _WIN32_WINNT macro
qemu-thread: add a fast path to the Win32 QemuEvent
slirp: Fix non blocking connect for w32
nsis: Add QEMU version information to Windows registry
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The oslib-win32 file currently provides a localtime_r and
gmtime_r replacement unconditionally. Some versions of
Mingw-w64 would provide crude macros for localtime_r/gmtime_r
which QEMU takes care to disable. Latest versions of Mingw-w64
now provide actual functions for localtime_r/gmtime_r, but
with a twist that you have to include unistd.h or pthread.h
before including time.h. By luck some files in QEMU have
such an include order, resulting in compile errors:
CC util/osdep.o
In file included from include/qemu-common.h:48:0,
from util/osdep.c:48:
include/sysemu/os-win32.h:77:12: error: redundant redeclaration of 'gmtime_r' [-Werror=redundant-decls]
struct tm *gmtime_r(const time_t *timep, struct tm *result);
^
In file included from include/qemu-common.h:35:0,
from util/osdep.c:48:
/usr/i686-w64-mingw32/sys-root/mingw/include/time.h:272:107: note: previous definition of 'gmtime_r' was here
In file included from include/qemu-common.h:48:0,
from util/osdep.c:48:
include/sysemu/os-win32.h:79:12: error: redundant redeclaration of 'localtime_r' [-Werror=redundant-decls]
struct tm *localtime_r(const time_t *timep, struct tm *result);
^
In file included from include/qemu-common.h:35:0,
from util/osdep.c:48:
/usr/i686-w64-mingw32/sys-root/mingw/include/time.h:269:107: note: previous definition of 'localtime_r' was here
This change adds a configure test to see if localtime_r
exits, and only enables the QEMU impl if missing. We also
re-arrange qemu-common.h try attempt to guarantee that all
source files get unistd.h before time.h and thus see the
localtime_r/gmtime_r defs.
[sw: Use "official" spellings for Mingw-w64, MinGW in comments.]
[sw: Terminate sentences with a dot in comments.]
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
When building for Mingw64 target on Fedora 22 a warning
is issued about _WIN32_WINNT being redefined.
In file included from ui/gtk.c:40:0:
include/ui/gtk.h:5:0: warning: "_WIN32_WINNT" redefined
# define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
^
In file included from /usr/i686-w64-mingw32/sys-root/mingw/include/crtdefs.h:10:0,
from /usr/i686-w64-mingw32/sys-root/mingw/include/stdio.h:9,
from /home/berrange/src/virt/qemu/include/qemu/fprintf-fn.h:12,
from /home/berrange/src/virt/qemu/include/qemu-common.h:18,
from ui/gtk.c:37:
/usr/i686-w64-mingw32/sys-root/mingw/include/_mingw.h:225:0: note: this is the location of the previous definition
#define _WIN32_WINNT 0x502
^
Rather than try to get MAPVK_VK_TO_VSC defined indirectly
by defining _WIN32_WINNT, instead just define it explicitly
if missing.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
QemuEvents are used heavily by call_rcu. We do not want them to be slow,
but the current implementation does a kernel call on every invocation
of qemu_event_* and won't cut it.
So, wrap a Win32 manual-reset event with a fast userspace path. The
states and transitions are the same as for the futex and mutex/condvar
implementations, but the slow path is different of course. The idea
is to reset the Win32 event lazily, as part of a test-reset-test-wait
sequence. Such a sequence is, indeed, how QemuEvents are used by
RCU and other subsystems!
The patch includes a formal model of the algorithm.
Tested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
The uninstall keys include an option key "DisplayVersion" which we set
now. By default the version value is read from file VERSION, but it is
also possible to pass VERSION=#.#.# to make.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Change the maintainer for Allwinner A10 to myself as Li Guang's mail
address bounces. While at it, extend the file pattern for the entry to
include allwinner_emac.[ch].
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 1442865156-5598-1-git-send-email-b.galvani@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
While virt machine creates two flash devices with total size 0x08000000,
the ACPI table generation code was wrongly using this total size as the
size of each flash device, so it would overlap other MMIO spaces.
Make each device entry in the table half the total; this brings the
ACPI table into line with the code which generates the device tree
and which creates the flash devices themselves.
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Wei Huang <wei@redhat.com>
Tested-by: Graeme Gregory <graeme.gregory@linaro.org>
Message-id: 1442455041-6596-1-git-send-email-shannon.zhao@linaro.org
[PMM: edited commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add gic_version to VirtMachineState, set it to value of the option
and pass it around where necessary. Instantiate devices and fdt
nodes according to the choice.
max_cpus for virt machine increased to 123 (calculated from redistributor
space available in the memory map). GICv2 compatibility check happens
inside arm_gic_common_realize().
ITS region is added to the memory map too, however currently it not used,
just reserved.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Tested-by: Ashok kumar <ashoks@broadcom.com>
[PMM: Added missing cpu_to_le* calls, thanks to Shannon Zhao]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is the initial version of KVM-accelerated GICv3 support.
State load and save are not yet supported, live migration is
not possible.
In order to get correct class name in a simpler way, gicv3_class_name()
function is implemented, similar to gic_class_name().
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Ashok kumar <ashoks@broadcom.com>
Message-id: 69d8f01d14994d7a1a140e96aef59fd332d02293.1441784344.git.p.fedin@samsung.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This allows us to use different GIC types from v2. There are no kernels
which could advertise KVM_CAP_DEVICE_CTRL without the actual ability to
create GIC with it.
GIC version probe code moved to kvm_arm_vgic_probe() which will be used
later.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Tested-by: Ashok kumar <ashoks@broadcom.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 015f4d9e4a8a50dfbdd734c4730558e24a69c6dc.1441784344.git.p.fedin@samsung.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Some functions previously used only by vGICv2 are useful also for vGICv3
implementation. Untie them from GICState and make accessible from within
other modules:
- kvm_arm_gic_set_irq()
- kvm_gic_supports_attr() - moved to common code and renamed to
kvm_device_check_attr()
- kvm_gic_access() - turned into GIC-independent kvm_device_access().
Data pointer changed to void * because some GICv3 registers are
64-bit wide
Some of these changes are not used right now, but they will be helpful for
implementing live migration.
Actually kvm_dist_get() and kvm_dist_put() could also be made reusable, but
they would require two extra parameters (s->dev_fd and s->num_cpu) as well as
lots of typecasts of 's' to DeviceState * and back to GICState *. This makes
the code very ugly so i decided to stop at this point. I tried also an
approach with making a base class for all possible GICs, but it would contain
only three variables (dev_fd, cpu_num and irq_num), and accessing them through
the rest of the code would be again tedious (either ugly casts or qemu-style
separate object pointer). So i disliked it too.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Tested-by: Ashok kumar <ashoks@broadcom.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 2ef56d1dd64ffb75ed02a10dcdaf605e5b8ff4f8.1441784344.git.p.fedin@samsung.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This class is to be used by both software and KVM implementations of GICv3
Currently it is mostly a placeholder, but in future it is supposed to hold
qemu's representation of GICv3 state, which is necessary for migration.
The interface of this class is fully compatible with GICv2 one. This is
done in order to simplify integration with existing code.
Signed-off-by: Shlomo Pongratz <shlomo.pongratz@huawei.com>
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Tested-by: Ashok kumar <ashoks@broadcom.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: aff8baaee493cdcab0694b4a1d4dd5ff27c37ed2.1441784344.git.p.fedin@samsung.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
libcacard is now a standalone project hosted with the Spice project (see
the 2.5.0 release announcement), remove it from qemu tree.
Use the library if found during configure or if --enable-smartcard.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Paolo Bonzini <pbonzini@redhat.com>
- Tracing improvements to use common prefixes for functional areas
- Quirks overhaul:
- Split PCI quirks to separate file
- Make them understandable and more extensible
- Improve use of MemoryRegions and eliminate use of target pagesize
- Eliminate build-time debugging, everything migrated to runtime opts
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Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20150923.0' into staging
VFIO updates 2015-09-23
- Tracing improvements to use common prefixes for functional areas
- Quirks overhaul:
- Split PCI quirks to separate file
- Make them understandable and more extensible
- Improve use of MemoryRegions and eliminate use of target pagesize
- Eliminate build-time debugging, everything migrated to runtime opts
# gpg: Signature made Wed 23 Sep 2015 21:09:05 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-20150923.0:
vfio/pci: Add emulated PCI IDs
vfio/pci: Cache vendor and device ID
vfio/pci: Move AMD device specific reset to quirks
vfio/pci: Remove old config window and mirror quirks
vfio/pci: Config mirror quirk
vfio/pci: Config window quirks
vfio/pci: Rework RTL8168 quirk
vfio/pci: Cleanup Nvidia 0x3d0 quirk
vfio/pci: Cleanup ATI 0x3c3 quirk
vfio/pci: Foundation for new quirk structure
vfio/pci: Cleanup ROM blacklist quirk
vfio/pci: Split quirks to a separate file
vfio/pci: Extract PCI structures to a separate header
vfio: Change polarity of our no-mmap option
vfio/pci: Make interrupt bypass runtime configurable
vfio/pci: Rename MSI/X functions for easier tracing
vfio/pci: Rename INTx functions for easier tracing
vfio/pci: Cleanup vfio_early_setup_msix() error path
vfio/pci: Cleanup RTL8168 quirk and tracing
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Specifying an emulated PCI vendor/device ID can be useful for testing
various quirk paths, even though the behavior and functionality of
the device with bogus IDs is fully unsupportable. We need to use a
uint32_t for the vendor/device IDs, even though the registers
themselves are only 16-bit in order to be able to determine whether
the value is valid and user set.
The same support is added for subsystem vendor/device ID, though these
have the possibility of being useful and supported for more than a
testing tool. An emulated platform might want to impose their own
subsystem IDs or at least hide the physical subsystem ID. Windows
guests will often reinstall drivers due to a change in subsystem IDs,
something that VM users may want to avoid. Of course careful
attention would be required to ensure that guest drivers do not rely
on the subsystem ID as a basis for device driver quirks.
All of these options are added using the standard experimental option
prefix and should not be considered stable.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Simplify access to commonly referenced PCI vendor and device ID by
caching it on the VFIOPCIDevice struct.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This is just another quirk, for reset rather than affecting memory
regions. Move it to our new quirks file.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Config windows make use of an address register and a data register.
In VGA cards, these are often used to provide real mode code in the
BIOS an easy way to access MMIO registers since the window often
resides in an I/O port register. When the MMIO register has a mirror
of PCI config space, we need to trap those accesses and redirect them
to emulated config space.
The previous version of this functionality made use of a single
MemoryRegion and single match address. This version uses separate
MemoryRegions for each of the address and data registers and allows
for multiple match addresses. This is useful for Nvidia cards which
have two ranges which index into PCI config space.
The previous implementation is left for the follow-on patch for a more
reviewable diff.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Another rework of this quirk, this time to update to the new quirk
structure. We can handle the address and data registers with
separate MemoryRegions and a quirk specific data structure, making the
code much more understandable.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The Nvidia 0x3d0 quirk makes use of a two separate registers and gives
us our first chance to make use of separate memory regions for each to
simplify the code a bit.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This is an easy quirk that really doesn't need a data structure if
its own. We can pass vdev as the opaque data and access to the
MemoryRegion isn't required.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
VFIOQuirk hosts a single memory region and a fixed set of data fields
that try to handle all the quirk cases, but end up making those that
don't exactly match really confusing. This patch introduces a struct
intended to provide more flexibility and simpler code. VFIOQuirk is
stripped to its basics, an opaque data pointer for quirk specific
data and a pointer to an array of MemoryRegions with a counter. This
still allows us to have common teardown routines, but adds much
greater flexibility to support multiple memory regions and quirk
specific data structures that are easier to maintain. The existing
VFIOQuirk is transformed into VFIOLegacyQuirk, which further patches
will eliminate entirely.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Create a vendor:device ID helper that we'll also use as we rework the
rest of the quirks. Re-reading the config entries, even if we get
more blacklist entries, is trivial overhead and only incurred during
device setup. There's no need to typedef the blacklist structure,
it's a static private data type used once. The elements get bumped
up to uint32_t to avoid future maintenance issues if PCI_ANY_ID gets
used for a blacklist entry (avoiding an actual hardware match). Our
test loop is also crying out to be simplified as a for loop.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The default should be to allow mmap and new drivers shouldn't need to
expose an option or set it to other than the allocation default in
their initfn. Take advantage of the experimental flag to change this
option to the correct polarity.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Tracing is more effective when we can completely disable all KVM
bypass paths. Make these runtime rather than build-time configurable.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This allows vfio_msi* tracing. The MSI/X interrupt tracing is also
pulled out of #ifdef DEBUG_VFIO to avoid a recompile for tracing this
path. A few cycles to read the message is hardly anything if we're
already in QEMU.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Rename functions and tracing callbacks so that we can trace vfio_intx*
to see all the INTx related activities.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
With the addition of the Chelsio quirk we have an error path out of
vfio_early_setup_msix() that doesn't free the allocated VFIOMSIXInfo
struct. This doesn't introduce a leak as it still gets freed in the
vfio_put_device() path, but it's complicated and sloppy to rely on
that. Restructure to free the allocated data on error and only link
it into the vdev on success.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
