Commit Graph

58862 Commits

Author SHA1 Message Date
Paolo Bonzini
57615ed56c cpus: kvm: unregister thread with RCU
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:25 +01:00
Paolo Bonzini
9857c2d2f7 cpus: hax: register/unregister thread with RCU, exit loop on unplug
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:25 +01:00
Ladi Prosek
a40227911c ivshmem: Disable irqfd on device reset
The effects of ivshmem_enable_irqfd() was not undone on device reset.

This manifested as:
ivshmem_add_kvm_msi_virq: Assertion `!s->msi_vectors[vector].pdev' failed.

when irqfd was enabled before reset and then enabled again after reset, making
ivshmem_enable_irqfd() run for the second time.

To reproduce, run:

  ivshmem-server

and QEMU with:

  -device ivshmem-doorbell,chardev=iv
  -chardev socket,path=/tmp/ivshmem_socket,id=iv

then install the Windows driver, at the time of writing available at:

https://github.com/virtio-win/kvm-guest-drivers-windows/tree/master/ivshmem

and crash-reboot the guest by inducing a BSOD.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Message-Id: <20171211072110.9058-5-lprosek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Ladi Prosek
0b88dd9420 ivshmem: Improve MSI irqfd error handling
Adds a rollback path to ivshmem_enable_irqfd() and fixes
ivshmem_disable_irqfd() to bail if irqfd has not been enabled.

To reproduce, run:

  ivshmem-server -n 0

and QEMU with:

  -device ivshmem-doorbell,chardev=iv
  -chardev socket,path=/tmp/ivshmem_socket,id=iv

then load, unload, and load again the Windows driver, at the time of writing
available at:

https://github.com/virtio-win/kvm-guest-drivers-windows/tree/master/ivshmem

The issue is believed to have been masked by other guest drivers, notably
Linux ones, not enabling MSI-X on the device.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171211072110.9058-4-lprosek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Ladi Prosek
089fd80376 ivshmem: Always remove irqfd notifiers
As of commit 660c97eef6 ("ivshmem: use kvm irqfd for msi notifications"),
QEMU crashes with:

ivshmem: msix_set_vector_notifiers failed
msix_unset_vector_notifiers: Assertion `dev->msix_vector_use_notifier && dev->msix_vector_release_notifier' failed.

if MSI-X is repeatedly enabled and disabled on the ivshmem device, for example
by loading and unloading the Windows ivshmem driver. This is because
msix_unset_vector_notifiers() doesn't call any of the release notifier callbacks
since MSI-X is already disabled at that point (msix_enabled() returning false
is how this transition is detected in the first place). Thus ivshmem_vector_mask()
doesn't run and when MSI-X is subsequently enabled again ivshmem_vector_unmask()
fails.

This is fixed by keeping track of unmasked vectors and making sure that
ivshmem_vector_mask() always runs on MSI-X disable.

Fixes: 660c97eef6 ("ivshmem: use kvm irqfd for msi notifications")
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171211072110.9058-3-lprosek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Ladi Prosek
e6a354be6e ivshmem: Don't update non-existent MSI routes
As of commit 660c97eef6 ("ivshmem: use kvm irqfd for msi notifications"),
QEMU crashes with:

  kvm_irqchip_commit_routes: Assertion `ret == 0' failed.

if the ivshmem device is configured with more vectors than what the server
supports. This is caused by the ivshmem_vector_unmask() being called on
vectors that have not been initialized by ivshmem_add_kvm_msi_virq().

This commit fixes it by adding a simple check to the mask and unmask
callbacks.

Note that the opposite mismatch, if the server supplies more vectors than
what the device is configured for, is already handled and leads to output
like:

  Too many eventfd received, device has 1 vectors

To reproduce the assert, run:

  ivshmem-server -n 0

and QEMU with:

  -device ivshmem-doorbell,chardev=iv
  -chardev socket,path=/tmp/ivshmem_socket,id=iv

then load the Windows driver, at the time of writing available at:

https://github.com/virtio-win/kvm-guest-drivers-windows/tree/master/ivshmem

The issue is believed to have been masked by other guest drivers, notably
Linux ones, not enabling MSI-X on the device.

Fixes: 660c97eef6 ("ivshmem: use kvm irqfd for msi notifications")
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171211072110.9058-2-lprosek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Klim Kireev
a8aa6197a2 chardev/char-socket: add POLLHUP handler
The following behavior was observed for QEMU configured by libvirt
to use guest agent as usual for the guests without virtio-serial
driver (Windows or the guest remaining in BIOS stage).

In QEMU on first connect to listen character device socket
the listen socket is removed from poll just after the accept().
virtio_serial_guest_ready() returns 0 and the descriptor
of the connected Unix socket is removed from poll and it will
not be present in poll() until the guest will initialize the driver
and change the state of the serial to "guest connected".

In libvirt connect() to guest agent is performed on restart and
is run under VM state lock. Connect() is blocking and can
wait forever.
In this case libvirt can not perform ANY operation on that VM.

The bug can be easily reproduced this way:

Terminal 1:
qemu-system-x86_64 -m 512 -device pci-serial,chardev=serial1 -chardev socket,id=serial1,path=/tmp/console.sock,server,nowait
(virtio-serial and isa-serial also fit)

Terminal 2:
minicom -D unix\#/tmp/console.sock
(type something and press enter)
C-a x (to exit)

Do 3 times:
minicom -D unix\#/tmp/console.sock
C-a x

It needs 4 connections, because the first one is accepted by QEMU, then two are queued by
the kernel, and the 4th blocks.

The problem is that QEMU doesn't add a read watcher after succesful read
until the guest device wants to acquire recieved data, so
I propose to install a separate pullhup watcher regardless of
whether the device waits for data or not.

Signed-off-by: Klim Kireev <klim.kireev@virtuozzo.com>
Message-Id: <20180125135129.9305-1-klim.kireev@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Peter Xu
d25836cafd memory: do explicit cleanup when remove listeners
When unregister memory listeners, we should call, e.g.,
region_del() (and possibly other undo operations) on every existing
memory region sections there, otherwise we may leak resources that are
held during the region_add(). This patch undo the stuff for the
listeners, which emulates the case when the address space is set from
current to an empty state.

I found this problem when debugging a refcount leak issue that leads to
a device unplug event lost (please see the "Bug:" line below).  In that
case, the leakage of resource is the PCI BAR memory region refcount.
And since memory regions are not keeping their own refcount but onto
their owners, so the vfio-pci device's (who is the owner of the PCI BAR
memory regions) refcount is leaked, and event missing.

We had encountered similar issues before and fixed in other
way (ee4c112846, "vhost: Release memory references on cleanup"). This
patch can be seen as a more high-level fix of similar problems that are
caused by the resource leaks from memory listeners. So now we can remove
the explicit unref of memory regions since that'll be done altogether
during unregistering of listeners now.

Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1531393
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180122060244.29368-5-peterx@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Peter Xu
369686267a vfio: listener unregister before unset container
After next patch, listener unregister will need the container to be
alive.  Let's move this unregister phase to be before unset container,
since that operation will free the backend container in kernel,
otherwise we'll get these after next patch:

qemu-system-x86_64: VFIO_UNMAP_DMA: -22
qemu-system-x86_64: vfio_dma_unmap(0x559bf53a4590, 0x0, 0xa0000) = -22 (Invalid argument)

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180122060244.29368-4-peterx@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Peter Xu
0bbe435410 arm: postpone device listener unregister
It's a preparation for follow-up patch to call region_del() in
memory_listener_unregister(), otherwise all device addr attached with
kvm_devices_head will be reset before calling kvm_arm_set_device_addr.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180122060244.29368-3-peterx@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Peter Xu
0750b06021 vhost: add traces for memory listeners
Trace these operations on two memory listeners.  It helps to verify the
new memory listener fix, and good to keep them there.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180122060244.29368-2-peterx@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Marc-André Lureau
d83414e1fd ucontext: annotate coroutine stack for ASAN
It helps ASAN to detect more leaks on coroutine stacks, and to get rid
of some extra warnings.

Before:

tests/test-coroutine -p
/basic/lifecycle
/basic/lifecycle: ==20781==WARNING: ASan doesn't fully support
makecontext/swapcontext functions and may produce false positives in
some cases!
==20781==WARNING: ASan is ignoring requested __asan_handle_no_return:
stack top: 0x7ffcb184d000; bottom 0x7ff6c4cfd000; size: 0x0005ecb50000
(25446121472)
False positive error reports may follow
For details see https://github.com/google/sanitizers/issues/189
OK

After:

tests/test-coroutine -p /basic/lifecycle
/basic/lifecycle: ==21110==WARNING: ASan doesn't fully support
makecontext/swapcontext functions and may produce false positives in
some cases!
OK

A similar work would need to be done for sigaltstack & windows fibers
to have similar coverage. Since ucontext is preferred, I didn't bother
checking the other coroutine implementations for now.

Update travis to fix the build with ASAN annotations.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180116151152.4040-4-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:24 +01:00
Marc-André Lureau
247724cb30 build-sys: add --enable-sanitizers
Typical slowdown introduced by AddressSanitizer is 2x.
UBSan shouldn't have much impact on runtime cost.

Enable it by default when --enable-debug, unless --disable-sanitizers.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180116151152.4040-3-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-07 14:09:20 +01:00
Peter Maydell
0833df03f4 Migration pull 2018-02-06
This is based off Juan's last pull with a few extras, but
 also removing:
    Add migration xbzrle test
    Add migration precopy test
 
 As well as my normal test boxes, I also gave it a test
 on a 32 bit ARM box and it seems happy (a Calxeda highbank)
 and a big-endian power box.
 
 Dave
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20180206a' into staging

Migration pull 2018-02-06

This is based off Juan's last pull with a few extras, but
also removing:
   Add migration xbzrle test
   Add migration precopy test

As well as my normal test boxes, I also gave it a test
on a 32 bit ARM box and it seems happy (a Calxeda highbank)
and a big-endian power box.

Dave

# gpg: Signature made Tue 06 Feb 2018 15:33:31 GMT
# gpg:                using RSA key 0516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>"
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-migration-20180206a:
  migration: incoming postcopy advise sanity checks
  migration: Don't leak IO channels
  migration: Recover block devices if failure in device state
  tests: Adjust sleeps for migration test
  tests: Create migrate-start-postcopy command
  tests: Add deprecated commands migration test
  tests: Use consistent names for migration
  tests: Consolidate accelerators declaration
  tests: Remove deprecated migration tests commands
  migration: Drop current address parameter from save_zero_page()
  migration: use s->threshold_size inside migration_update_counters
  migration/savevm.c: set MAX_VM_CMD_PACKAGED_SIZE to 1ul << 32
  migration: Route errors down through migration_channel_connect
  migration: Allow migrate_fd_connect to take an Error *

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-07 12:07:23 +00:00
Peter Maydell
bc2943d6ca Python queue, 2018-02-05
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Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2018-02-05

# gpg: Signature made Mon 05 Feb 2018 23:07:57 GMT
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/python-next-pull-request: (21 commits)
  docker: change Fedora images to run with python3
  travis: improve python version test coverage
  ui: update keycodemapdb to get py3 fixes
  input: add missing JIS keys to virtio input
  qemu.py: don't launch again before shutdown()
  qemu.py: cleanup redundant calls in launch()
  qemu.py: use poll() instead of 'returncode'
  qemu.py: always cleanup on shutdown()
  qemu.py: refactor launch()
  qemu.py: better control of created files
  qemu.py: remove unused import
  configure: allow use of python 3
  scripts: ensure signrom treats data as bytes
  qapi: force a UTF-8 locale for running Python
  qapi: ensure stable sort ordering when checking QAPI entities
  qapi: remove '-q' arg to diff when comparing QAPI output
  qapi: Adapt to moved location of 'maketrans' function in py3
  qapi: adapt to moved location of StringIO module in py3
  qapi: Use OrderedDict from standard library if available
  qapi: use items()/values() intead of iteritems()/itervalues()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-06 19:28:08 +00:00
Alex Williamson
db32d0f438 vfio/pci: Add option to disable GeForce quirks
These quirks are necessary for GeForce, but not for Quadro/GRID/Tesla
assignment.  Leaving them enabled is fully functional and provides the
most compatibility, but due to the unique NVIDIA MSI ACK behavior[1],
it also introduces latency in re-triggering the MSI interrupt.  This
overhead is typically negligible, but has been shown to adversely
affect some (very) high interrupt rate applications.  This adds the
vfio-pci device option "x-no-geforce-quirks=" which can be set to
"on" to disable this additional overhead.

A follow-on optimization for GeForce might be to make use of an
ioeventfd to allow KVM to trigger an irqfd in the kernel vfio-pci
driver, avoiding the bounce through userspace to handle this device
write.

[1] Background: the NVIDIA driver has been observed to issue a write
to the MMIO mirror of PCI config space in BAR0 in order to allow the
MSI interrupt for the device to retrigger.  Older reports indicated a
write of 0xff to the (read-only) MSI capability ID register, while
more recently a write of 0x0 is observed at config space offset 0x704,
non-architected, extended config space of the device (BAR0 offset
0x88704).  Virtualization of this range is only required for GeForce.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:27 -07:00
Alexey Kardashevskiy
a5b04f7c53 vfio/common: Remove redundant copy of local variable
There is already @hostwin in vfio_listener_region_add() so there is no
point in having the other one.

Fixes: 2e4109de8e ("vfio/spapr: Create DMA window dynamically (SPAPR IOMMU v2)")
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:27 -07:00
Eric Auger
89202c6fa8 hw/vfio/platform: Init the interrupt mutex
Add the initialization of the mutex protecting the interrupt list.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:26 -07:00
Alex Williamson
89d5202edc vfio/pci: Allow relocating MSI-X MMIO
Recently proposed vfio-pci kernel changes (v4.16) remove the
restriction preventing userspace from mmap'ing PCI BARs in areas
overlapping the MSI-X vector table.  This change is primarily intended
to benefit host platforms which make use of system page sizes larger
than the PCI spec recommendation for alignment of MSI-X data
structures (ie. not x86_64).  In the case of POWER systems, the SPAPR
spec requires the VM to program MSI-X using hypercalls, rendering the
MSI-X vector table unused in the VM view of the device.  However,
ARM64 platforms also support 64KB pages and rely on QEMU emulation of
MSI-X.  Regardless of the kernel driver allowing mmaps overlapping
the MSI-X vector table, emulation of the MSI-X vector table also
prevents direct mapping of device MMIO spaces overlapping this page.
Thanks to the fact that PCI devices have a standard self discovery
mechanism, we can try to resolve this by relocating the MSI-X data
structures, either by creating a new PCI BAR or extending an existing
BAR and updating the MSI-X capability for the new location.  There's
even a very slim chance that this could benefit devices which do not
adhere to the PCI spec alignment guidelines on x86_64 systems.

This new x-msix-relocation option accepts the following choices:

  off: Disable MSI-X relocation, use native device config (default)
  auto: Use a known good combination for the platform/device (none yet)
  bar0..bar5: Specify the target BAR for MSI-X data structures

If compatible, the target BAR will either be created or extended and
the new portion will be used for MSI-X emulation.

The first obvious user question with this option is how to determine
whether a given platform and device might benefit from this option.
In most cases, the answer is that it won't, especially on x86_64.
Devices often dedicate an entire BAR to MSI-X and therefore no
performance sensitive registers overlap the MSI-X area.  Take for
example:

# lspci -vvvs 0a:00.0
0a:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection
	...
	Region 0: Memory at db680000 (32-bit, non-prefetchable) [size=512K]
	Region 3: Memory at db7f8000 (32-bit, non-prefetchable) [size=16K]
	...
	Capabilities: [70] MSI-X: Enable+ Count=10 Masked-
		Vector table: BAR=3 offset=00000000
		PBA: BAR=3 offset=00002000

This device uses the 16K bar3 for MSI-X with the vector table at
offset zero and the pending bits arrary at offset 8K, fully honoring
the PCI spec alignment guidance.  The data sheet specifically refers
to this as an MSI-X BAR.  This device would not see a benefit from
MSI-X relocation regardless of the platform, regardless of the page
size.

However, here's another example:

# lspci -vvvs 02:00.0
02:00.0 Serial Attached SCSI controller: xxxxxxxx
	...
	Region 0: I/O ports at c000 [size=256]
	Region 1: Memory at ef640000 (64-bit, non-prefetchable) [size=64K]
	Region 3: Memory at ef600000 (64-bit, non-prefetchable) [size=256K]
	...
	Capabilities: [c0] MSI-X: Enable+ Count=16 Masked-
		Vector table: BAR=1 offset=0000e000
		PBA: BAR=1 offset=0000f000

Here the MSI-X data structures are placed on separate 4K pages at the
end of a 64KB BAR.  If our host page size is 4K, we're likely fine,
but at 64KB page size, MSI-X emulation at that location prevents the
entire BAR from being directly mapped into the VM address space.
Overlapping performance sensitive registers then starts to be a very
likely scenario on such a platform.  At this point, the user could
enable tracing on vfio_region_read and vfio_region_write to determine
more conclusively if device accesses are being trapped through QEMU.

Upon finding a device and platform in need of MSI-X relocation, the
next problem is how to choose target PCI BAR to host the MSI-X data
structures.  A few key rules to keep in mind for this selection
include:

 * There are only 6 BAR slots, bar0..bar5
 * 64-bit BARs occupy two BAR slots, 'lspci -vvv' lists the first slot
 * PCI BARs are always a power of 2 in size, extending == doubling
 * The maximum size of a 32-bit BAR is 2GB
 * MSI-X data structures must reside in an MMIO BAR

Using these rules, we can evaluate each BAR of the second example
device above as follows:

 bar0: I/O port BAR, incompatible with MSI-X tables
 bar1: BAR could be extended, incurring another 64KB of MMIO
 bar2: Unavailable, bar1 is 64-bit, this register is used by bar1
 bar3: BAR could be extended, incurring another 256KB of MMIO
 bar4: Unavailable, bar3 is 64bit, this register is used by bar3
 bar5: Available, empty BAR, minimum additional MMIO

A secondary optimization we might wish to make in relocating MSI-X
is to minimize the additional MMIO required for the device, therefore
we might test the available choices in order of preference as bar5,
bar1, and finally bar3.  The original proposal for this feature
included an 'auto' option which would choose bar5 in this case, but
various drivers have been found that make assumptions about the
properties of the "first" BAR or the size of BARs such that there
appears to be no foolproof automatic selection available, requiring
known good combinations to be sourced from users.  This patch is
pre-enabled for an 'auto' selection making use of a validated lookup
table, but no entries are yet identified.

Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:26 -07:00
Alex Williamson
c3bbbdbf4b qapi: Create DEFINE_PROP_OFF_AUTO_PCIBAR
Add an option which allows the user to specify a PCI BAR number,
including an 'off' and 'auto' selection.

Cc: Markus Armbruster <armbru@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:26 -07:00
Alex Williamson
04f336b05f vfio/pci: Emulate BARs
The kernel provides similar emulation of PCI BAR register access to
QEMU, so up until now we've used that for things like BAR sizing and
storing the BAR address.  However, if we intend to resize BARs or add
BARs that don't exist on the physical device, we need to switch to the
pure QEMU emulation of the BAR.

Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:25 -07:00
Alex Williamson
3a286732d1 vfio/pci: Add base BAR MemoryRegion
Add one more layer to our stack of MemoryRegions, this base region
allows us to register BARs independently of the vfio region or to
extend the size of BARs which do map to a region.  This will be
useful when we want hypervisor defined BARs or sections of BARs,
for purposes such as relocating MSI-X emulation.  We therefore call
msix_init() based on this new base MemoryRegion, while the quirks,
which only modify regions still operate on those sub-MemoryRegions.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:25 -07:00
Alex Williamson
edd0927893 vfio/pci: Fixup VFIOMSIXInfo comment
The fields were removed in the referenced commit, but the comment
still mentions them.

Fixes: 2fb9636ebf ("vfio-pci: Remove unused fields from VFIOMSIXInfo")
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:25 -07:00
Alexey Kardashevskiy
9ded780c4c spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device
In order to enable TCE operations support in KVM, we have to inform
the KVM about VFIO groups being attached to specific LIOBNs;
the necessary bits are implemented already by IOMMU MR and VFIO.

This defines get_attr() for the SPAPR TCE IOMMU MR which makes VFIO
call the KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE ioctl and establish
LIOBN-to-IOMMU link.

This changes spapr_tce_set_need_vfio() to avoid TCE table reallocation
if the kernel supports the TCE acceleration.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
[aw - remove unnecessary sys/ioctl.h include]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:24 -07:00
Alexey Kardashevskiy
07bc681a33 vfio/spapr: Use iommu memory region's get_attr()
In order to enable TCE operations support in KVM, we have to inform
the KVM about VFIO groups being attached to specific LIOBNs. The KVM
already knows about VFIO groups, the only bit missing is which
in-kernel TCE table (the one with user visible TCEs) should update
the attached broups. There is an KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE
attribute of the VFIO KVM device which receives a groupfd/tablefd couple.

This uses a new memory_region_iommu_get_attr() helper to get the IOMMU fd
and calls KVM to establish the link.

As get_attr() is not implemented yet, this should cause no behavioural
change.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:24 -07:00
Alexey Kardashevskiy
f1334de60b memory/iommu: Add get_attr()
This adds get_attr() to IOMMUMemoryRegionClass, like
iommu_ops::domain_get_attr in the Linux kernel.

This defines the first attribute - IOMMU_ATTR_SPAPR_TCE_FD - which
will be used between the pSeries machine and VFIO-PCI.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-02-06 11:08:24 -07:00
Alistair Francis
493d89bf74 tcg: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Stefan Weil <sw@weilnetz.de>

Conversions that aren't followed by exit() dropped, because they might
be inappropriate.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-14-armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2018-02-06 18:29:46 +01:00
Alistair Francis
47d17c0ac3 hw/xen*: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

xen_pt_log() was left with an fprintf(stderr,

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Anthony Perard <anthony.perard@citrix.com>

Conversions that aren't followed by exit() dropped, because they might
be inappropriate.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-13-armbru@redhat.com>
2018-02-06 18:29:46 +01:00
Alistair Francis
29bd723171 hw/sparc*: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Fabien Chouteau <chouteau@adacore.com>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-12-armbru@redhat.com>
2018-02-06 18:29:46 +01:00
Alistair Francis
4e82512586 hw/sd: Replace fprintf(stderr, "*\n" with DPRINTF()
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
[Most of original patch dropped, commit message replaced to match
what's left]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-11-armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2018-02-06 18:29:26 +01:00
Alistair Francis
6f76b817b5 hw/ppc: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines were then manually tweaked to pass checkpatch and some curly
braces were added to match QEMU style.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: qemu-ppc@nongnu.org

Conversions that aren't followed by exit() dropped, because they might
be inappropriate.

Also trim trailing punctuation from error messages.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-10-armbru@redhat.com>
2018-02-06 18:29:26 +01:00
Alistair Francis
0151abe4f5 hw/pci*: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

A trailing '.' was removed in hw/pci/pci.c

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>

Conversions that aren't followed by exit() dropped, because they might
be inappropriate.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-9-armbru@redhat.com>
2018-02-06 18:29:26 +01:00
Alistair Francis
fe2d93c88a hw/openrisc: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Jia Liu <proljc@gmail.com>
Cc: Stafford Horne <shorne@gmail.com>
Acked-by: Stafford Horne <shorne@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-8-armbru@redhat.com>
2018-02-06 18:29:26 +01:00
Alistair Francis
2ecdc2c364 hw/moxie: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Anthony Green <green@moxielogic.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-7-armbru@redhat.com>
2018-02-06 18:29:26 +01:00
Alistair Francis
bd6e1d81bb hw/mips: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Yongbok Kim <yongbok.kim@imgtec.com>
Cc: "Hervé Poussineau" <hpoussin@reactos.org>

Conversions that aren't followed by exit() dropped, because they might
be inappropriate.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-6-armbru@redhat.com>
2018-02-06 18:29:26 +01:00
Alistair Francis
0a094a54c8 hw/lm32: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Michael Walle <michael@walle.cc>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Michael Walle <michael@walle.cc>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-5-armbru@redhat.com>
2018-02-06 18:29:26 +01:00
Alistair Francis
7f69a433d2 hw/dma: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>

Conversions that aren't followed by exit() dropped, because they might
be inappropriate.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-4-armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2018-02-06 18:29:09 +01:00
Alistair Francis
c0dbca36dc hw/arm: Replace fprintf(stderr, "*\n" with error_report()
Replace a large number of the fprintf(stderr, "*\n" calls with
error_report(). The functions were renamed with these commands and then
compiler issues where manually fixed.

find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N;N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +
find ./* -type f -exec sed -i \
    'N; {s|fprintf(stderr, "\(.*\)\\n"\(.*\));|error_report("\1"\2);|Ig}' \
    {} +

Some lines where then manually tweaked to pass checkpatch.

The 'qemu: ' prefix was manually removed from the hw/arm/boot.c file.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: qemu-arm@nongnu.org

Conversions that aren't followed by exit() dropped, because they might
be inappropriate.

Also trim trailing punctuation from error messages.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-3-armbru@redhat.com>
2018-02-06 18:26:42 +01:00
Alistair Francis
470bcabd8f audio: Replace AUDIO_FUNC with __func__
Apparently we don't use __MSC_VER as a compiler anymore and we always
require a C99 compiler (which means we always have __func__) so we don't
need a special AUDIO_FUNC macro. We can just replace AUDIO_FUNC with
__func__ instead.

Checkpatch failures were manually fixed.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180203084315.20497-2-armbru@redhat.com>
2018-02-06 18:26:42 +01:00
Markus Armbruster
508de4780c error: Improve documentation of error_append_hint()
Suggested-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1502359588-29451-1-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
2018-02-06 18:24:43 +01:00
Greg Kurz
875fcd013a migration: incoming postcopy advise sanity checks
If postcopy-ram was set on the source but not on the destination,
migration doesn't occur, the destination prints an error and boots
the guest:

qemu-system-ppc64: Expected vmdescription section, but got 0

We end up with two running instances.

This behaviour was introduced in 2.11 by commit 58110f0acb "migration:
split common postcopy out of ram postcopy" to prepare ground for the
upcoming dirty bitmap postcopy support. It adds a new case where the
source may send an empty postcopy advise because dirty bitmap doesn't
need to check page sizes like RAM postcopy does.

If the source has enabled postcopy-ram, then it sends an advise with
the page size values. If the destination hasn't enabled postcopy-ram,
then loadvm_postcopy_handle_advise() leaves the page size values on
the stream and returns. This confuses qemu_loadvm_state() later on
and causes the destination to start execution.

As discussed several times, postcopy-ram should be enabled both sides
to be functional. This patch changes the destination to perform some
extra checks on the advise length to ensure this is the case. Otherwise
an error is returned and migration is aborted.

Reported-by: Balamuruhan S <bala24@linux.vnet.ibm.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <151791621042.19120.3103118434734245776.stgit@bahia>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 14:53:02 +00:00
Ross Lagerwall
032b79f717 migration: Don't leak IO channels
Since qemu_fopen_channel_{in,out}put take references on the underlying
IO channels, make sure to release our references to them.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Message-Id: <20171101142526.1006-2-ross.lagerwall@citrix.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 14:53:02 +00:00
Dr. David Alan Gilbert
6039dd5b1c migration: Recover block devices if failure in device state
In e91d895 I added the new pause-before-switchover mechanism
to allow migration completion to be delayed; this changes the
last state prior to completion to MIGRATE_STATUS_DEVICE rather
than MIGRATE_STATUS_ACTIVE.

Fix the failure path in migration_completion to recover the block
devices if it fails in MIGRATE_STATUS_DEVICE, not just the
MIGRATE_STATUS_ACTIVE that it previously had.

This corresponds to rh bz:
  https://bugzilla.redhat.com/show_bug.cgi?id=1538494
whose symptom is an occasional source crash on a failed migration.

Fixes: e91d8951d5
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 14:53:02 +00:00
Juan Quintela
6a7724e9a2 tests: Adjust sleeps for migration test
Also reorder code to not sleep when event already happened.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 14:53:02 +00:00
Juan Quintela
eb665d7d92 tests: Create migrate-start-postcopy command
This way, it is like the rest of commands

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 14:53:02 +00:00
Peter Maydell
20e0d439a6 hppa-softmmu update
-----BEGIN PGP SIGNATURE-----
 
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 H2I9Oi3E7CXxj1QaUj9ae9SO+aGDK4pY3TIuoeREet5TTyJSHRbj1qXTSSDlUwLI
 WdP8vJC+SQVSvHCQOHSAo/iXoolV1okgEPxp+ReT/ZWTml2ZIPzmj4NbEIIHg9vy
 fVolKvSWStYXLRp00Nnn8obk5HNo2NGV++fD6UrThXzGaUhI4aEOuJTSRNn6iIc+
 HLVL5z5KmMk6u/urnDh2RlCM0ptxE9VsCYc2hVgnLm1E2W9HNCwDiGEfalLn1Aas
 3tzDFRC0lMjF0QHWUfO9hOAKyWJ2nny+S3CCWd3EHKshdrS7G92qEI5SYhZ6h+Y=
 =rvuR
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/rth/tags/pull-hppa-20180204' into staging

hppa-softmmu update

# gpg: Signature made Sun 04 Feb 2018 22:20:40 GMT
# gpg:                using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-hppa-20180204:
  roms/seabios-hppa: Update submodule and image
  tests: Enable boot-serial-test for hppa
  hw/hppa: Use qemu_log_mask instead of fprintf to stderr

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-02-06 14:21:41 +00:00
Juan Quintela
4c27486dc7 tests: Add deprecated commands migration test
We add deprecated commands on a new test, so we don't have to add it
on normal tests.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 10:55:13 +00:00
Juan Quintela
31a6bb74fa tests: Use consistent names for migration
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 10:55:13 +00:00
Juan Quintela
63b2d935f7 tests: Consolidate accelerators declaration
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 10:55:13 +00:00
Juan Quintela
1f90d79711 tests: Remove deprecated migration tests commands
We move to use migration_set_parameter() for everything.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-02-06 10:55:13 +00:00