Commit Graph

5241 Commits

Author SHA1 Message Date
Igor Mammedov
80e5db303d machine: Make possible_cpu_arch_ids() return const pointer
make sure that external callers won't try to modify
possible_cpus and owner of possible_cpus can access
it directly when it modifies it.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1484759609-264075-5-git-send-email-imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-01-23 21:25:37 -02:00
Eduardo Habkost
726401be06 arch_init: Remove unnecessary default_config_files table
The existing default_config_files table in arch_init.c has a
single entry, making it completely unnecessary. The whole code
can be replaced by a single qemu_read_config_file() call in vl.c.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170117180051.11958-1-ehabkost@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-01-23 21:25:36 -02:00
Daniel P. Berrange
c1b412f1d9 io: introduce a DNS resolver API
Currently DNS resolution is done automatically as part
of the creation of a QIOChannelSocket object instance.
This works ok for network clients where you just end
up a single network socket, but for servers, the results
of DNS resolution may require creation of multiple
sockets.

Introducing a DNS resolver API allows DNS resolution
to be separated from the socket object creation. This
will make it practical to create multiple QIOChannelSocket
instances for servers.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-01-23 15:32:46 +00:00
Daniel P. Berrange
59de517d8d io: remove Error parameter from QIOTask thread worker
Now that task objects have a directly associated error,
there's no need for an an Error **errp parameter to
the QIOTask thread worker function. It already has a
QIOTask object, so can directly set the error on it.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-01-23 15:32:19 +00:00
Daniel P. Berrange
60e705c51c io: change the QIOTask callback signature
Currently the QIOTaskFunc signature takes an Object * for
the source, and an Error * for any error. We also need to
be able to provide a result pointer. Rather than continue
to add parameters to QIOTaskFunc, remove the existing
ones and simply pass the QIOTask object instead. This
has methods to access all the other data items required
in the callback impl.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-01-23 15:32:18 +00:00
Daniel P. Berrange
1a447e4f02 io: add ability to associate an error with a task
Currently when a task fails, the error is never explicitly
associated with the task object, it is just passed along
through the completion callback. This adds the ability to
explicitly associate an error with the task.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-01-23 15:32:18 +00:00
Daniel P. Berrange
52dd99e8a4 io: add ability to associate an opaque "result" with with a task
Currently there is no data associated with a successful
task completion. This adds an opaque pointer to the task
to store an arbitrary result.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-01-23 15:32:18 +00:00
Daniel P. Berrange
e8c8adecad io: fix typo in docs for QIOTask
The GDestroyNotify parameter is already a pointer, so does
not need a '*' suffix on the type.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-01-23 15:32:18 +00:00
Daniel P. Berrange
937470bb54 io: stop incrementing reference in qio_task_get_source
Incrementing the reference in qio_task_get_source is
not necessary, since we're not running concurrently
with any other code touching the QIOTask. This
minimizes chances of further memory leaks.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-01-23 15:32:18 +00:00
Peter Maydell
598cf1c805 * QOM interface fix (Eduardo)
* RTC fixes (Gaohuai, Igor)
 * Memory leak fixes (Li Qiang, me)
 * Ctrl-a b regression (Marc-André)
 * Stubs cleanups and fixes (Leif, me)
 * hxtool tweak (me)
 * HAX support (Vincent)
 * QemuThread, exec.c and SCSI fixes (Roman, Xinhua, me)
 * PC_COMPAT_2_8 fix (Marcelo)
 * stronger bitmap assertions (Peter)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* QOM interface fix (Eduardo)
* RTC fixes (Gaohuai, Igor)
* Memory leak fixes (Li Qiang, me)
* Ctrl-a b regression (Marc-André)
* Stubs cleanups and fixes (Leif, me)
* hxtool tweak (me)
* HAX support (Vincent)
* QemuThread, exec.c and SCSI fixes (Roman, Xinhua, me)
* PC_COMPAT_2_8 fix (Marcelo)
* stronger bitmap assertions (Peter)

# gpg: Signature made Fri 20 Jan 2017 12:49:01 GMT
# gpg:                using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (35 commits)
  pc.h: move x-mach-use-reliable-get-clock compat entry to PC_COMPAT_2_8
  bitmap: assert that start and nr are non negative
  Revert "win32: don't run subprocess tests on Mingw32 platform"
  hax: add Darwin support
  Plumb the HAXM-based hardware acceleration support
  target/i386: Add Intel HAX files
  kvm: move cpu synchronization code
  KVM: PPC: eliminate unnecessary duplicate constants
  ramblock-notifier: new
  char: fix ctrl-a b not working
  exec: Add missing rcu_read_unlock
  x86: ioapic: fix fail migration when irqchip=split
  x86: ioapic: dump version for "info ioapic"
  x86: ioapic: add traces for ioapic
  hxtool: emit Texinfo headings as @subsection
  qemu-thread: fix qemu_thread_set_name() race in qemu_thread_create()
  serial: fix memory leak in serial exit
  scsi-block: fix direction of BYTCHK test for VERIFY commands
  pc: fix crash in rtc_set_memory() if initial cpu is marked as hotplugged
  acpi: filter based on CONFIG_ACPI_X86 rather than TARGET
  ...

# Conflicts:
#	include/hw/i386/pc.h
2017-01-20 16:42:07 +00:00
Peter Maydell
d1c82f7cc3 First set of s390x patches for 2.9:
- rework of the zpci code, giving us proper multibus support
 - introduction of the 2.9 machine
 - fixes and improvements
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 =fzmu
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170120-v2' into staging

First set of s390x patches for 2.9:
- rework of the zpci code, giving us proper multibus support
- introduction of the 2.9 machine
- fixes and improvements

# gpg: Signature made Fri 20 Jan 2017 09:11:58 GMT
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20170120-v2:
  virtio-ccw: fix ring sizing
  s390x/pci: merge msix init functions
  s390x/pci: handle PCIBridge bus number
  s390x/pci: use hashtable to look up zpci via fh
  s390x/pci: PCI multibus bridge handling
  s390x/pci: optimize calling s390_get_phb()
  s390x/pci: change the device array to a list
  s390x/pci: dynamically allocate iommu
  s390x/pci: make S390PCIIOMMU inherit Object
  s390x/kvm: use kvm_gsi_routing_enabled in flic
  s390x: add compat machine for 2.9
  s390x: remove double compat statement

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-20 15:53:58 +00:00
Peter Maydell
db655a9653 -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
 
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 =gkbh
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Fri 20 Jan 2017 02:58:57 GMT
# gpg:                using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  tap: fix memory leak on failure in net_init_tap()
  hw/pci: use-after-free in pci_nic_init_nofail when nic device fails to initialize
  hw/net/dp8393x: Avoid unintentional sign extensions on addresses
  m68k: QOMify the MCF Fast Ethernet Controller device
  net: optimize checksum computation
  docs: Fix description of the sentence

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-20 14:56:40 +00:00
Peter Maydell
4383fa7c80 virtio, vhost, pc: fixes, features
writeable fw cfg blobs which will be used for guest to host
 communication
 fixes and cleanups all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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 =7hNY
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, vhost, pc: fixes, features

writeable fw cfg blobs which will be used for guest to host
communication
fixes and cleanups all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Thu 19 Jan 2017 21:08:04 GMT
# gpg:                using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  virtio: force VIRTIO_F_IOMMU_PLATFORM
  virtio: fix up max size checks
  vhost: drop VHOST_F_DEVICE_IOTLB
  update-linux-headers.sh: support __bitwise
  virtio_crypto: header update
  pci_regs: update to latest linux
  virtio-mmio: switch to linux headers
  virtio_mmio: add standard header file
  virtio: drop an obsolete comment
  fw-cfg: bump "x-file-slots" to 0x20 for 2.9+ machine types
  pc: Add 2.9 machine-types
  fw-cfg: turn FW_CFG_FILE_SLOTS into a device property
  fw-cfg: support writeable blobs
  vhost_net: device IOTLB support
  virtio: disable notifications again after poll succeeded
  Revert "virtio: turn vq->notification into a nested counter"
  virtio-net: enable ioeventfd even if vhost=off

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-20 14:05:44 +00:00
Peter Maydell
6ffefe7ff7 Error reporting patches for 2017-01-19
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Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2017-01-19' into staging

Error reporting patches for 2017-01-19

# gpg: Signature made Thu 19 Jan 2017 14:51:17 GMT
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2017-01-19:
  error: Report certain hints on stderr when no monitor
  error: error_setg_errno(): errno gets preserved

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-20 12:35:10 +00:00
Marcelo Tosatti
abc62c89f3 pc.h: move x-mach-use-reliable-get-clock compat entry to PC_COMPAT_2_8
As noticed by David Gilbert, commit 6053a86 'kvmclock: reduce kvmclock
differences on migration' added 'x-mach-use-reliable-get-clock' and a
compatibility entry that turns it off; however it got merged after 2.8.0
was released but the entry has gone into PC_COMPAT_2_7 where it should
have gone into PC_COMPAT_2_8.

Fix it by moving the entry to PC_COMPAT_2_8.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170118175343.GA26873@amt.cnet>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-20 13:22:57 +01:00
Peter Maydell
f29cacfb5f hw/arm/virt: Add board property to enable EL2
Add a board level property to the virt board which will
enable EL2 on the CPU if the user asks for it. The
default is not to provide EL2. If EL2 is enabled then
we will use SMC as our PSCI conduit, and report the
virtualization support in the GICv3 device tree node
and the ACPI tables.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1483977924-14522-19-git-send-email-peter.maydell@linaro.org
2017-01-20 11:15:11 +00:00
Peter Maydell
2013c5665c hw/arm/virt: Support using SMC for PSCI
If we are giving the guest a CPU with EL2, it is likely to
want to use the HVC instruction itself, for instance for
providing PSCI to inner guest VMs. This makes using HVC
as the PSCI conduit for the outer QEMU a bad idea. We will
want to use SMC instead is this case: this makes sense
because QEMU's PSCI implementation is effectively an
emulation of functionality provided by EL3 firmware.

Add code to support selecting the PSCI conduit to use,
rather than hardcoding use of HVC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 1483977924-14522-15-git-send-email-peter.maydell@linaro.org
2017-01-20 11:15:10 +00:00
Peter Maydell
c5fc89b36c hw/intc/arm_gicv3: Implement gicv3_cpuif_virt_update()
Implement the function which signals virtual interrupts to the
CPU as appropriate following CPU interface state changes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1483977924-14522-13-git-send-email-peter.maydell@linaro.org
2017-01-20 11:15:10 +00:00
Peter Maydell
4eb833b5df hw/intc/gicv3: Add data fields for virtualization support
As the first step in adding support for the virtualization
extensions to the GICv3 emulation:
 * add the necessary data fields to the state structures
 * add the fields to the migration state, as a subsection
   which is only present if virtualization is enabled

The use of a subsection means we retain migration
compatibility as EL2 is not enabled on any CPUs currently.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1483977924-14522-8-git-send-email-peter.maydell@linaro.org
2017-01-20 11:15:09 +00:00
Peter Maydell
5454006a7c hw/arm/virt: Wire VIRQ, VFIQ, maintenance irq lines from GIC to CPU
Wire the new VIRQ, VFIQ and maintenance interrupt lines from the
GIC to each CPU.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1483977924-14522-5-git-send-email-peter.maydell@linaro.org
2017-01-20 11:15:09 +00:00
Peter Maydell
6a22895908 hw/intc/arm_gic: Add external IRQ lines for VIRQ and VFIQ
Augment the GIC's QOM device interface by adding two
new sets of sysbus IRQ lines, to signal VIRQ and VFIQ to
each CPU.

We never use these, but it's helpful to keep the v2-and-earlier
GIC's external interface in line with that of the GICv3 to
avoid board code having to add extra code conditional on which
version of the GIC is in use.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1483977924-14522-3-git-send-email-peter.maydell@linaro.org
2017-01-20 11:15:09 +00:00
Peter Maydell
b53db42bc0 hw/intc/arm_gicv3: Add external IRQ lines for VIRQ and VFIQ
Augment the GICv3's QOM device interface by adding two
new sets of sysbus IRQ lines, to signal VIRQ and VFIQ to
each CPU.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1483977924-14522-2-git-send-email-peter.maydell@linaro.org
2017-01-20 11:15:08 +00:00
Cédric Le Goater
fcdf2c5945 aspeed/smc: handle SPI flash Command mode
The Aspeed SMC controllers have a mode (Command mode) in which
accesses to the flash content are no different than doing MMIOs. The
controller generates all the necessary commands to load (or store)
data in memory.

However, accesses are restricted to the segment window assigned the
the flash module by the controller. This window is defined by the
Segment Address Register.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1483979087-32663-8-git-send-email-clg@kaod.org
[PMM: Deleted now-unused aspeed_smc_is_usermode() function]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-20 11:15:08 +00:00
Cédric Le Goater
087b57c993 aspeed/smc: adjust the size of the register region
The SPI controller of the AST2400 SoC has less registers. So we can
adjust the size of the memory region holding the registers depending
on the controller type. We can also remove the guest_error logging
which is useless as the range of the region is strict enough.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 1483979087-32663-7-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-20 11:15:08 +00:00
Cédric Le Goater
d09dc5b75b aspeed/smc: unfold the AspeedSMCController array
This is getting difficult to read. Also add a 'has_dma' field for each
controller type.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1483979087-32663-6-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-20 11:15:07 +00:00
Michael S. Tsirkin
8c797e758a virtio-ccw: fix ring sizing
Current code seems to assume ring size is
always decreased but this is not required by spec:
what spec says is just that size can not exceed
the maximum. Fix it up.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <1484256243-1982-1-git-send-email-mst@redhat.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2017-01-20 10:02:02 +01:00
Thomas Huth
6ac38ed42b m68k: QOMify the MCF Fast Ethernet Controller device
When running qemu-system-m68k with the "-net" parameter (for example
simply "-net nic -net user"), there is currently a confusing warning
message saying:

 Warning: requested NIC (anonymous, model mcf_fec) was not created
 (not supported by this machine?)

This seems to happen because the MCF NIC has never been adapted to
the currently expected QEMU device behavior. Thus let's QOMify the
NIC now to get rid of the warning message.

Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-01-20 10:36:38 +08:00
Vincent Palatin
b0cb0a66d6 Plumb the HAXM-based hardware acceleration support
Use the Intel HAX is kernel-based hardware acceleration module for
Windows (similar to KVM on Linux).

Based on the "target/i386: Add Intel HAX to android emulator" patch
from David Chou <david.j.chou@intel.com>

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Message-Id: <7b9cae28a0c379ab459c7a8545c9a39762bd394f.1484045952.git.vpalatin@chromium.org>
[Drop hax_populate_ram stub. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-19 22:07:46 +01:00
Vincent Palatin
47c1c8c12f target/i386: Add Intel HAX files
That's a forward port of the core HAX interface code from the
emu-2.2-release branch in the external/qemu-android repository as used by
the Android emulator.

The original commit was "target/i386: Add Intel HAX to android emulator"
saying:
"""
  Backport of 2b3098ff27bab079caab9b46b58546b5036f5c0c
  from studio-1.4-dev into emu-master-dev

    Intel HAX (harware acceleration) will enhance android emulator performance
    in Windows and Mac OS X in the systems powered by Intel processors with
    "Intel Hardware Accelerated Execution Manager" package installed when
    user runs android emulator with Intel target.

    Signed-off-by: David Chou <david.j.chou@intel.com>
"""

It has been modified to build and run along with the current code base.
The formatting has been fixed to go through scripts/checkpatch.pl,
and the DPRINTF macros have been updated to get the instanciations checked by
the compiler.

The FPU registers saving/restoring has been updated to match the current
QEMU registers layout.

The implementation has been simplified by doing the following modifications:
- removing the code for supporting the hardware without Unrestricted Guest (UG)
  mode (including all the code to fallback on TCG emulation).
- not including the Darwin support (which is not yet debugged/tested).
- simplifying the initialization by removing the leftovers from the Android
  specific code, then trimming down the remaining logic.
- removing the unused MemoryListener callbacks.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Message-Id: <e1023837f8d0e4c470f6c4a3bf643971b2bca5be.1484045952.git.vpalatin@chromium.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-19 22:07:46 +01:00
Vincent Palatin
b39466269b kvm: move cpu synchronization code
Move the generic cpu_synchronize_ functions to the common hw_accel.h header,
in order to prepare for the addition of a second hardware accelerator.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Message-Id: <f5c3cffe8d520011df1c2e5437bb814989b48332.1484045952.git.vpalatin@chromium.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-19 22:07:46 +01:00
Sascha Silbe
98cb89af4d error: error_setg_errno(): errno gets preserved
C11 allows errno to be clobbered by pretty much any library function
call, so in general callers need to take care to save errno before
calling other functions.

However, for error reporting functions this is rather awkward and can
make the code on the caller side more complicated than
necessary. error_setg_errno() already takes care of preserving errno
and some functions rely on that, so just promise that we continue to
do so in the future.

Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Message-Id: <1469611466-31574-1-git-send-email-silbe@linux.vnet.ibm.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-01-19 15:42:36 +01:00
Artyom Tarasenko
fff54d2269
target-sparc: move common cpu initialisation routines to sparc64.c
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2017-01-18 22:03:44 +01:00
Artyom Tarasenko
a0e893039c
target-sparc: implement sun4v RTC
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
2017-01-18 22:03:44 +01:00
Michael S. Tsirkin
f43c007605 virtio_crypto: header update
Update header from latest linux driver.  Session creation structs gain
padding to make them same size. Formatting cleanups.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
2017-01-18 22:59:53 +02:00
Michael S. Tsirkin
0084248348 pci_regs: update to latest linux
this drops a duplicate definition of
PCI_EXT_CAP_ATS_SIZEOF

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-01-18 22:59:53 +02:00
Michael S. Tsirkin
5878b13642 virtio_mmio: add standard header file
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-01-18 22:59:53 +02:00
Laszlo Ersek
a5b3ebfd23 fw-cfg: bump "x-file-slots" to 0x20 for 2.9+ machine types
More precisely, the "x-file-slots" count is bumped for all machine types
that:
(a) use fw_cfg, and
(b) are not versioned (hence migration is not expected to work for them
    across QEMU releases anyway), or have version 2.9.

This affects machine types implemented in the following source files:

- "hw/arm/virt.c". The "virt-*" machine type is versioned, and the <= 2.8
  versions already depend on HW_COMPAT_2_8 (see commit e353aac51b).
  Therefore adding the "x-file-slots" compat values to HW_COMPAT_2_8
  suffices.

- "hw/i386/pc.c". The "pc-i440fx-*" (including "pc-*") and "pc-q35-*"
  machine types are versioned. Modifying HW_COMPAT_2_8 is sufficient here
  too (see commit "pc: Add 2.9 machine-types"). The "isapc" machtype is
  not versioned. The "xenfv" machine type, which uses fw_cfg for direct
  kernel booting, is also not versioned.

- "hw/ppc/mac_newworld.c". The "mac99" machine type is not versioned.

- "hw/ppc/mac_oldworld.c". The "g3beige" machine type is not versioned.

- "hw/sparc/sun4m.c". None of the 9 machine types defined in this file
  appear versioned.

- "hw/sparc64/sun4u.c". None of the 3 machine types defined in this file
  appear versioned.

Cc: "Gabriel L. Somlo" <somlo@cmu.edu>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Artyom Tarasenko <atar4qemu@gmail.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Gabriel Somlo <somlo@cmu.edu>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
2017-01-18 22:59:53 +02:00
Eduardo Habkost
d580bd4b73 pc: Add 2.9 machine-types
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Gabriel Somlo <somlo@cmu.edu>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
Cc: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
2017-01-18 22:59:53 +02:00
Laszlo Ersek
e12f3a13e2 fw-cfg: turn FW_CFG_FILE_SLOTS into a device property
We'd like to raise the value of FW_CFG_FILE_SLOTS. Doing it naively could
lead to problems with backward migration: a more recent QEMU (running an
older machine type) would allow the guest, in fw_cfg_select(), to select a
high key value that is unavailable in the same machine type implemented by
the older (target) QEMU. On the target host, fw_cfg_data_read() for
example could dereference nonexistent entries.

As first step, size the FWCfgState.entries[*] and FWCfgState.entry_order
arrays dynamically. All three array sizes will be influenced by the new
field FWCfgState.file_slots (and matching device property).

Make the following changes:

- Replace the FW_CFG_FILE_SLOTS macro with FW_CFG_FILE_SLOTS_MIN (minimum
  count of fw_cfg file slots) in the header file. The value remains 0x10.

- Replace all uses of FW_CFG_FILE_SLOTS with a helper function called
  fw_cfg_file_slots(), returning the new property.

- Eliminate the macro FW_CFG_MAX_ENTRY, and replace all its uses with a
  helper function called fw_cfg_max_entry().

- In the MMIO- and IO-mapped realize functions both, allocate all three
  arrays dynamically, based on the new property.

- The new property defaults to FW_CFG_FILE_SLOTS_MIN. This is going to be
  customized in the following patches.

Cc: "Gabriel L. Somlo" <somlo@cmu.edu>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Gabriel Somlo <somlo@cmu.edu>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
2017-01-18 22:59:53 +02:00
Michael S. Tsirkin
baf2d5bfba fw-cfg: support writeable blobs
Useful to send guest data back to QEMU.

Changes from Laszlo Ersek <lersek@redhat.com>:
- rebase the patch from Michael Tsirkin's original postings at [1] and [2]
  to the following patches:
  - loader: Allow a custom AddressSpace when loading ROMs
  - loader: Add AddressSpace loading support to uImages
  - loader: fix handling of custom address spaces when adding ROM blobs
- reject such writes immediately that would exceed the end of the array,
  rather than performing a partial write before setting the error bit: see
  the (len != dma.length) condition
- document the write interface

[1] http://lists.nongnu.org/archive/html/qemu-devel/2016-02/msg04968.html
[2] http://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg02735.html

Cc: "Gabriel L. Somlo" <somlo@cmu.edu>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Shannon Zhao <zhaoshenglong@huawei.com>
Cc: qemu-arm@nongnu.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Acked-by: Gabriel Somlo <somlo@cmu.edu>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
2017-01-18 22:59:53 +02:00
Jason Wang
c471ad0e9b vhost_net: device IOTLB support
This patches implements Device IOTLB support for vhost kernel. This is
done through:

1) switch to use dma helpers when map/unmap vrings from vhost codes
2) introduce a set of VhostOps to:
   - setting up device IOTLB request callback
   - processing device IOTLB request
   - processing device IOTLB invalidation
2) kernel support for Device IOTLB API:

- allow vhost-net to query the IOMMU IOTLB entry through eventfd
- enable the ability for qemu to update a specified mapping of vhost
- through ioctl.
- enable the ability to invalidate a specified range of iova for the
  device IOTLB of vhost through ioctl. In x86/intel_iommu case this is
  triggered through iommu memory region notifier from device IOTLB
  invalidation descriptor processing routine.

With all the above, kernel vhost_net can co-operate with userspace
IOMMU. For vhost-user, the support could be easily done on top by
implementing the VhostOps.

Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-01-18 22:59:53 +02:00
Peter Maydell
02b351d846 -----BEGIN PGP SIGNATURE-----
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 =rI8q
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Mon 16 Jan 2017 13:38:52 GMT
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  async: optimize aio_bh_poll
  aio: document locking
  aio-win32: remove walking_handlers, protecting AioHandler list with list_lock
  aio-posix: remove walking_handlers, protecting AioHandler list with list_lock
  aio: tweak walking in dispatch phase
  aio-posix: split aio_dispatch_handlers out of aio_dispatch
  qemu-thread: optimize QemuLockCnt with futexes on Linux
  aio: make ctx->list_lock a QemuLockCnt, subsuming ctx->walking_bh
  qemu-thread: introduce QemuLockCnt
  aio: rename bh_lock to list_lock
  block: get rid of bdrv_io_unplugged_begin/end

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-17 11:20:27 +00:00
Peter Maydell
a8c611e113 This is the same as the v3 posted except a re-base and a few extra signoffs
-----BEGIN PGP SIGNATURE-----
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 AULpWrezYveKy71eFhHVtGxnPeCJ8J4GVECMK0P0cdxzprIXFh1kZezyM4bxAGk=
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-tcg-common-tlb-reset-20170113-r1' into staging

This is the same as the v3 posted except a re-base and a few extra signoffs

# gpg: Signature made Fri 13 Jan 2017 14:26:46 GMT
# gpg:                using RSA key 0xFBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>"
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-tcg-common-tlb-reset-20170113-r1:
  cputlb: drop flush_global flag from tlb_flush
  cpu_common_reset: wrap TCG specific code in tcg_enabled()
  qom/cpu: move tlb_flush to cpu_common_reset

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-16 18:23:02 +00:00
Paolo Bonzini
0987d735a3 ramblock-notifier: new
This adds a notify interface of ram block additions and removals.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16 17:52:35 +01:00
Paolo Bonzini
9f57061c35 acpi: filter based on CONFIG_ACPI_X86 rather than TARGET
Copy the mechanism of hw/smbios/smbios-stub.c to implement an ACPI-stub
instead, so that -acpitable can be later extended to ARM.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16 17:52:35 +01:00
Paolo Bonzini
d6da1e9eca event_notifier: cleanups around event_notifier_set_handler
Remove the useless is_external argument.  Since the iohandler
AioContext is never used for block devices, aio_disable_external
is never called on it.  This lets us remove stubs/iohandler.c.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16 17:52:35 +01:00
Paolo Bonzini
2f7b92a03f hw: move reset handlers from vl.c to hw/core
They are small, it is not worth stubbing them.  Just include them
in user-mode emulators and unit tests as well.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16 17:52:35 +01:00
Leif Lindholm
1007a37e20 smbios: filter based on CONFIG_SMBIOS rather than TARGET
-smbios command line options were accepted but silently ignored on
TARGET_ARM, due to a test for TARGET_I386 in arch_init.c.

Copy the mechanism of hw/pci/pci-stub.c to implement an smbios-stub
instead, enabled for all targets without CONFIG_SMBIOS.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Message-Id: <20161222151828.28292-1-leif.lindholm@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16 17:52:34 +01:00
Paolo Bonzini
7c690fd193 aio: document locking
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20170112180800.21085-10-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-16 13:25:18 +00:00
Paolo Bonzini
fbcc3e5004 qemu-thread: optimize QemuLockCnt with futexes on Linux
This is complex, but I think it is reasonably documented in the source.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170112180800.21085-5-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-16 13:25:18 +00:00