Commit Graph

17506 Commits

Author SHA1 Message Date
Cédric Le Goater 74af4eec29 aspeed: add a memory region for SRAM
The size of the SRAM depends on the SoC model, so use a per-soc
definition when creating the region.

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: 1480434248-27138-9-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:27 +00:00
Cédric Le Goater ef17f83661 aspeed: add support for the romulus-bmc board
The Romulus machine is an OpenPOWER system with an AST2500 SoC for
the BMC and a POWER9 chip for the host. It does not make much
difference for qemu a part from the fact that the FMC controller has
two SPI flash module.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 1480434248-27138-8-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:27 +00:00
Cédric Le Goater 6a0e947b12 aspeed: extend the board configuration with flash models
Future machine will use different flash models for the FMC and the SPI
controllers.

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: 1480434248-27138-7-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:27 +00:00
Cédric Le Goater bd673bd8ab aspeed: attach the second SPI controller object to the SoC
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1480434248-27138-6-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:27 +00:00
Cédric Le Goater 4c3386f421 aspeed: remove cannot_destroy_with_object_finalize_yet
With commit ce5b1bbf62 ("exec: move cpu_exec_init() calls to realize
functions"), we can now remove cannot_destroy_with_object_finalize_yet.

Suggested-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1480434248-27138-5-git-send-email-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:26 +00:00
Cédric Le Goater 2d105bd6b5 aspeed: QOMify the CPU object and attach it to the SoC
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: 1480434248-27138-4-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:26 +00:00
Cédric Le Goater e03192fd62 m25p80: add support for the mx66l1g45g
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Marcin Krzeminski <marcin.krzeminski@nokia.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1480434248-27138-3-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:26 +00:00
Peter Maydell e353aac51b hw/arm/virt: add 2.9 machine type
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
2016-12-27 14:59:26 +00:00
Peter Maydell 0bfa02595a hw/intc/arm_gicv3: Don't signal Pending+Active interrupts to CPU
The GICv3 requires that we only signal Pending interrupts to
the CPU. This category does not include Pending+Active interrupts,
which means we need to check whether the interrupt is Active in
the gicr_int_pending() and gicd_int_pending() functions.

Interrupts are rarely in the Active+Pending state, but KVM
uses this as part of its handling of the virtual timer, so
this bug was causing KVM to go into an infinite loop of
taking the vtimer interrupt when the guest first triggered it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2016-12-27 14:59:25 +00:00
Peter Maydell e971fa0422 hw/intc/arm_gicv3: Remove incorrect usage of fieldoffset
In the ARMCPRegInfo definitions for the GICv3 CPU interface
registers, we were trying to use .fieldoffset to specify
the locations of data fields within the GICv3CPUState struct.
This is completely broken, because .fieldoffset is for offsets
into the CPUARMState struct. We didn't notice because we
were only using this for reads to BPR0, AP0R<n>, IGRPEN0
and CTLR_EL3, and Linux doesn't use these registers.

Replace the .fieldoffset uses with explicit read functions.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2016-12-27 14:59:25 +00:00
Andrew Jones 92204403ef hw/intc/arm_gicv3_common: fix aff3 in typer
Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-id: 20161209143703.29457-1-drjones@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:24 +00:00
Andrew Gacek 2494c9f640 cadence_uart: Check if receiver timeout counter is disabled
When register Rcvr_timeout_reg0 (R_RTOR in cadence_uart.c) is set to
0, the receiver timeout counter should be disabled. See page 1801 of
"Zynq-7000 AP SoC Technical Reference Manual". This commit adds a
such a check before setting the receive timeout interrupt.

Signed-off-by: Andrew Gacek <andrew.gacek@gmail.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:23 +00:00
Alistair Francis 450aaae863 cadence_uart: Check baud rate generator and divider values on migration
The Cadence UART device emulator calculates speed by dividing the
baud rate by a 'baud rate generator' & 'baud rate divider' value.
The device specification defines these register values to be
non-zero and within certain limits. Checks were recently added when
writing to these registers but not when restoring from migration.

This patch adds checks when restoring from migration to avoid divide by
zero errors.

Reported-by: Huawei PSIRT <psirt@huawei.com>
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 04ae30ed8ee1758cd2d2af880da4d28f74c67738.1481132150.git.alistair.francis@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-27 14:59:22 +00:00
Marcelo Tosatti 6053a86fe7 kvmclock: reduce kvmclock difference on migration
Check for KVM_CAP_ADJUST_CLOCK capability KVM_CLOCK_TSC_STABLE, which
indicates that KVM_GET_CLOCK returns a value as seen by the guest at
that moment.

For new machine types, use this value rather than reading
from guest memory.

This reduces kvmclock difference on migration from 5s to 0.1s
(when max_downtime == 5s).

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Message-Id: <20161121105052.598267440@redhat.com>
[Add comment explaining what is going on. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:56 +01:00
Paolo Bonzini 166dbda7e1 scsi-disk: fix VERIFY for scsi-block
When a scsi-disk object receives VERIFY command with BYTCHK bit being zero,
scsi_block_is_passthrough returns false and finally makes req being proceeded
by scsi_block_dma_command. Because scsi_block_dma_command has removed process
of VERIFY, QEMU will abort in this function.

Reported-by: Junlian Bell <zhongjun@sangfor.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:26 +01:00
Ziyue Yang 8929fc3a55 hw/block/pflash_cfi*.c: fix confusing assert fail message
The patch is to fix the confusing assert fail message caused by
un-initialized device structure (from bite sized tasks).

The bug can be reproduced by

./qemu-system-x86_64 -nographic -device cfi.pflash01

The CFI hardware is dynamically loaded by QOM realizing mechanism,
however the realizing function in pflash_cfi01_realize function
requires the device being initialized manually before calling, like

./qemu-system-x86_64 -nographic
-device cfi.pflash01,num-blocks=1024,sector-length=4096,name=testcard

Once the initializing parameters are left off in the command, it will
leave the device structure not initialized, which makes
pflash_cfi01_realize try to realize a zero-volume card, causing

/mnt/EXT_volume/projects/qemu/qemu-dev/exec.c:1378:
find_ram_offset: Assertion `size != 0\' failed.

Through my test, at least the flash device's block-number, sector-length
and its name is needed for pflash_cfi01_realize to behave correctly. So
I think the new asserts are needed to hint the QEMU user to specify
the device's parameters correctly.

Signed-off-by: Ziyue Yang <skiver.cloud.yzy@gmail.com>
Message-Id: <1481810693-13733-1-git-send-email-skiver.cloud.yzy@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Ziyue Yang <yzylivezh@hotmail.com>
2016-12-22 16:00:26 +01:00
Vlad Lungu 96a3d39277 multiboot: copy the cmdline verbatim, unescape module strings
get_opt_value() truncates the value at the first comma
Use memcpy() instead so that -append works correctly in the
presence of commas.  For -initrd to work right, instead,
unescape the module filename and parameters with get_opt_value()
before calling mb_add_cmdline().

Signed-off-by: Vlad Lungu <vlad.lungu@windriver.com>
Message-Id: <1481805124-16242-1-git-send-email-vlad.lungu@windriver.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:26 +01:00
Chao Peng feddd2fd91 pc: make pit configurable
Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
Message-Id: <1478330391-74060-4-git-send-email-chao.p.peng@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:25 +01:00
Chao Peng 272f042877 pc: make sata configurable
Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
Message-Id: <1478330391-74060-3-git-send-email-chao.p.peng@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:25 +01:00
Chao Peng be232eb076 pc: make smbus configurable
Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
Message-Id: <1478330391-74060-2-git-send-email-chao.p.peng@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:25 +01:00
Paolo Bonzini e7a9f35321 virtio-scsi: introduce virtio_scsi_acquire/release
These will be used more as soon as the acquire/release is pushed down to
the ioeventfd handlers.

Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:24 +01:00
Li Qiang eb7a20a361 watchdog: 6300esb: add exit function
When the Intel 6300ESB watchdog is hot unplug. The timer allocated
in realize isn't freed thus leaking memory leak. This patch avoid
this through adding the exit function.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-Id: <583cde9c.3223ed0a.7f0c2.886e@mx.google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22 16:00:23 +01:00
Thomas Huth fcf5ef2ab5 Move target-* CPU file into a target/ folder
We've currently got 18 architectures in QEMU, and thus 18 target-xxx
folders in the root folder of the QEMU source tree. More architectures
(e.g. RISC-V, AVR) are likely to be included soon, too, so the main
folder of the QEMU sources slowly gets quite overcrowded with the
target-xxx folders.
To disburden the main folder a little bit, let's move the target-xxx
folders into a dedicated target/ folder, so that target-xxx/ simply
becomes target/xxx/ instead.

Acked-by: Laurent Vivier <laurent@vivier.eu> [m68k part]
Acked-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> [tricore part]
Acked-by: Michael Walle <michael@walle.cc> [lm32 part]
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x part]
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> [s390x part]
Acked-by: Eduardo Habkost <ehabkost@redhat.com> [i386 part]
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com> [sparc part]
Acked-by: Richard Henderson <rth@twiddle.net> [alpha part]
Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa part]
Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [ppc part]
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> [cris&microblaze part]
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> [unicore32 part]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2016-12-20 21:52:12 +01:00
Maxime Coquelin 66d1c4c19f virtio-pci: Fix cross-version migration with older machines
This patch fixes a cross-version migration regression introduced
by commit d1b4259f ("virtio-bus: Plug devices after features are
negotiated").

The problem is encountered when host's vhost backend does not support
VIRTIO_F_VERSION_1, and migration is initiated from a v2.7 or prior
machine with virtio-pci modern capabilities enabled to a v2.8 machine.

In this case, modern capabilities get exposed to the guest by the source,
whereas the target will detect version 1 is not supported so will only
expose legacy capabilities.

The problem is fixed by introducing a new "x-ignore-backend-features"
property, which is set in v2.7 and prior compatibility modes. Doing this,
v2.7 machine keeps its broken behaviour (enabling modern while version
is not supported), and newer machines will behave correctly.

Reported-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Message-id: 20161214163035.3297-1-maxime.coquelin@redhat.com
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-12-15 07:35:19 +00:00
Stefan Hajnoczi ce1f3e88f8 -----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'jasowang/tags/net-pull-request' into staging

# gpg: Signature made Tue 06 Dec 2016 02:24:23 AM GMT
# gpg:                using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* jasowang/tags/net-pull-request:
  fsl_etsec: Fix various small problems in hexdump code
  fsl_etsec: Pad short payloads with zeros
  net: mcf: check receive buffer size register value

Message-id: 1480991552-14360-1-git-send-email-jasowang@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-12-06 10:24:24 +00:00
Andrey Smirnov 9f5832d34b fsl_etsec: Fix various small problems in hexdump code
Fix various small problems in hexdump code, such as:
    - Reference to non-existing field etsec->nic->nc.name is replaced
    with nc->name

    - Type mismatch warnings

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-12-06 10:23:50 +08:00
Prasad J Pandit 4299b90e9b display: cirrus: check vga bits per pixel(bpp) value
In Cirrus CLGD 54xx VGA Emulator, if cirrus graphics mode is VGA,
'cirrus_get_bpp' returns zero(0), which could lead to a divide
by zero error in while copying pixel data. The same could occur
via blit pitch values. Add check to avoid it.

Reported-by: Huawei PSIRT <psirt@huawei.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 1476776717-24807-1-git-send-email-ppandit@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-12-05 11:01:55 +01:00
Andrey Smirnov 64f441d2e5 fsl_etsec: Pad short payloads with zeros
Depending on QEMU network setup it is possible for us to receive a
complete Ethernet packet that is less 64 bytes long. One such example is
when QEMU is configured to use a standalone TAP device (not set to be a
part of any bridge) receives and ARP packet. In cases like that we need
to add more than just 4-bytes of CRC padding and ensure that our payload
is at least 60 bytes long, such that, when combined with CRC padding
bytes the resulting size is at least 802.3 minimum MTU bytes
long (64). Failing to do that results in code in etsec_walk_rx_ring()
setting BD_RX_SH which, in turn, makes corresponding Linux driver of
emulated host to reject buffer as a runt packet

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-12-05 17:45:14 +08:00
Prasad J Pandit 77d54985b8 net: mcf: check receive buffer size register value
ColdFire Fast Ethernet Controller uses a receive buffer size
register(EMRBR) to hold maximum size of all receive buffers.
It is set by a user before any operation. If it was set to be
zero, ColdFire emulator would go into an infinite loop while
receiving data in mcf_fec_receive. Add check to avoid it.

Reported-by: Wjjzhang <wjjzhang@tencent.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-12-05 17:45:14 +08:00
Li Qiang 2d1cd6c7a9 virtio-gpu: fix memory leak in update_cursor_data_virgl
In update_cursor_data_virgl function, if the 'width'/ 'height'
is not equal to current cursor's width/height it will return
without free the 'data' allocated previously. This will lead
a memory leak issue. This patch fix this issue.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-id: 58187760.41d71c0a.cca75.4cb9@mx.google.com
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-12-05 09:37:52 +01:00
Li Qiang 42a8dadc74 virtio-gpu: fix information leak in getting capset info dispatch
In virgl_cmd_get_capset_info dispatch function, the 'resp' hasn't
been full initialized before writing to the guest. This will leak
the 'resp.padding' and 'resp.hdr.padding' fieds to the guest. This
patch fix this issue.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-id: 5818661e.0860240a.77264.7a56@mx.google.com
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-12-05 09:37:52 +01:00
Christophe Fergeau 6c7565028c qxl: Only emit QXL_INTERRUPT_CLIENT_MONITORS_CONFIG on config changes
Currently if the client keeps sending the same monitor config to
QEMU/spice-server, QEMU will always raise
a QXL_INTERRUPT_CLIENT_MONITORS_CONFIG regardless of whether there was a
change or not.
Guest-side (with fedora 25), the kernel QXL KMS driver will also forward the
event to user-space without checking if there were actual changes.
Next in line are gnome-shell/mutter (on a default f25 install), which
will try to reconfigure everything without checking if there is anything
to do.
Where this gets ugly is that when applying the resolution changes,
gnome-shell/mutter will call drmModeRmFB, drmModeAddFB, and
drmModeSetCrtc, which will cause the primary surface to be destroyed and
recreated by the QXL KMS driver. This in turn will cause the client to
resend a client monitors config message, which will cause QEMU to reemit
an interrupt with an unchanged monitors configuration, ...
This causes https://bugzilla.redhat.com/show_bug.cgi?id=1266484

This commit makes sure that we only emit
QXL_INTERRUPT_CLIENT_MONITORS_CONFIG when there are actual configuration
changes the guest should act on.

Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
Message-id: 20161028144840.18326-1-cfergeau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-12-05 09:37:52 +01:00
Stefan Hajnoczi bd8ef5060d ppc patch queue 2016-12-01
Just a single migration / hotplug fix in this set.  I believe it's
 important enough to go in this late in the 2.8 release process.
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 UgCOwKmXp0ZCuQ8Zzep3nyuZsCNxQKk5BR/nRG9LTu6skwED9BQZzEKxcKj6DpTu
 ipPNrHyfM+s4MX1nURZreX1+HHLxAacxfdGZxuN6s+69acILui4igRiyscl8KJyn
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 UwZSmf8kse3UQn+HgSCn
 =Kar4
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'dgibson/tags/ppc-for-2.8-20161201' into staging

ppc patch queue 2016-12-01

Just a single migration / hotplug fix in this set.  I believe it's
important enough to go in this late in the 2.8 release process.

# gpg: Signature made Thu 01 Dec 2016 04:43:49 AM GMT
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* dgibson/tags/ppc-for-2.8-20161201:
  spapr: fix default DRC state for coldplugged LMBs

Message-id: 20161201044441.14365-1-david@gibson.dropbear.id.au
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-12-01 13:39:29 +00:00
Michael Roth 5c0139a8c2 spapr: fix default DRC state for coldplugged LMBs
Currently we set the initial isolation/allocation state for DRCs
associated with coldplugged LMBs to ISOLATED/UNUSABLE,
respectively, under the assumption that the guest will move this
state to UNISOLATED/USABLE.

In fact, this is only the case for LMBs added via hotplug. For
coldplugged LMBs, the guest actually assumes the initial state to
be UNISOLATED/USABLE.

In practice, this only becomes an issue when we attempt to unplug
one of these LMBs, where the guest kernel will issue an
rtas-get-sensor-state call to check that the corresponding DRC is
in an USABLE state before it will release the LMB back to
QEMU. If the returned state is otherwise, the guest will assume no
further action is needed, which bypasses the QEMU-side cleanup that
occurs during the USABLE->UNUSABLE transition. This results in
LMBs and their corresponding pc-dimm devices to stick around
indefinitely.

This patch fixes the issue by manually setting DRCs associated with
cold-plugged LMBs to UNISOLATED/ALLOCATED, but leaving the hotplug
state untouched. As it turns out, this is analogous to the handling
for cold-plugged CPUs in spapr_core_plug().

Cc: qemu-ppc@nongnu.org
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-12-01 13:41:00 +11:00
Gonglei 9730280d54 virtio-crypto: fix uninitialized variables
Though crypto_cfg.reserve is an unused field, let me
initialize the structure in order to make coverity happy.

*** CID 1365923:  Uninitialized variables  (UNINIT)
/hw/virtio/virtio-crypto.c: 851 in virtio_crypto_get_config()
845         stl_le_p(&crypto_cfg.mac_algo_h, c->conf.mac_algo_h);
846         stl_le_p(&crypto_cfg.aead_algo, c->conf.aead_algo);
847         stl_le_p(&crypto_cfg.max_cipher_key_len, c->conf.max_cipher_key_len);
848         stl_le_p(&crypto_cfg.max_auth_key_len, c->conf.max_auth_key_len);
849         stq_le_p(&crypto_cfg.max_size, c->conf.max_size);
850
>>>     CID 1365923:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "crypto_cfg". Field "crypto_cfg.reserve"
       is uninitialized when calling "memcpy".
      [Note: The source code implementation of the function
       has been overridden by a builtin model.]
851         memcpy(config, &crypto_cfg, c->config_size);
852     }
853

Rported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-11-30 04:22:18 +02:00
Laszlo Ersek 1b57bd4f2f loader: fix undefined behavior in rom_order_compare()
According to ISO C99 / N1256 (referenced in HACKING):

> 6.5.8 Relational operators
>
> 4 For the purposes of these operators, a pointer to an object that is
>   not an element of an array behaves the same as a pointer to the first
>   element of an array of length one with the type of the object as its
>   element type.
>
> 5 When two pointers are compared, the result depends on the relative
>   locations in the address space of the objects pointed to. If two
>   pointers to object or incomplete types both point to the same object,
>   or both point one past the last element of the same array object, they
>   compare equal. If the objects pointed to are members of the same
>   aggregate object, pointers to structure members declared later compare
>   greater than pointers to members declared earlier in the structure,
>   and pointers to array elements with larger subscript values compare
>   greater than pointers to elements of the same array with lower
>   subscript values. All pointers to members of the same union object
>   compare equal. If the expression /P/ points to an element of an array
>   object and the expression /Q/ points to the last element of the same
>   array object, the pointer expression /Q+1/ compares greater than /P/.
>   In all other cases, the behavior is undefined.

Our AddressSpace objects are allocated generally individually, and kept in
the "address_spaces" linked list, so we mustn't compare their addresses
with relops.

Convert the pointers subjected to the relop in rom_order_compare() to
"uintptr_t":

> 7.18.1.4 Integer types capable of holding object pointers
>
> 1 [...]
>
>   The following type designates an unsigned integer type with the
>   property that any valid pointer to void can be converted to this type,
>   then converted back to pointer to void, and the result will compare
>   equal to the original pointer:
>
>   /uintptr_t/
>
>   These types are optional.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alistair Francis <alistair.francis@xilinx.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org
Fixes: 3e76099aac
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-11-30 04:22:18 +02:00
Laszlo Ersek aa6c6ae843 loader: fix handling of custom address spaces when adding ROM blobs
* Commit 3e76099aac ("loader: Allow a custom AddressSpace when loading
  ROMs") introduced the "Rom.as" field:

  (1) It modified the utility callers of rom_insert() to take "as" as a
      new parameter from *their* callers, and set "rom->as" from that
      parameter. The functions covered were rom_add_file() and
      rom_add_elf_program().

  (2) It also modified rom_insert() itself, to auto-assign
      "&address_space_memory", in case the external caller passed -- and
      the utility caller forwarded -- as=NULL.

  Except, commit 3e76099aac forgot to update the third utility caller of
  rom_insert(), under point (1), namely rom_add_blob().

* Later, commit 5e774eb3bd ("loader: Add AddressSpace loading support
  to uImages") added the load_uimage_as() function, and the
  rom_add_blob_fixed_as() function-like macro, with the necessary changes
  elsewhere to propagate the new "as" parameter to rom_add_blob():

    load_uimage_as()
      load_uboot_image()
        rom_add_blob_fixed_as()
          rom_add_blob()

  At this point, the signature (and workings) of rom_add_blob() had been
  broken already, and the rom_add_blob_fixed_as() macro passed its "_as"
  parameter to rom_add_blob() as "callback_opaque". Given that the
  "fw_callback" parameter itself was set to NULL (correctly), this did no
  additional damage (the opaque arg would never be used), but ultimately
  it broke the new functionality of load_uimage_as().

* The load_uimage_as() function would be put to use in one of the later
  patches, commit e481a1f63c ("generic-loader: Add a generic loader").

* We can fix this only in a unified patch now. Append "AddressSpace *as"
  to the signature of rom_add_blob(), and handle the new parameter. Pass
  NULL from all current callers, except from rom_add_blob_fixed_as(),
  where "_as" has to be bumped to the proper position.

* Note that rom_add_file() rejects the case when both "mr" and "as" are
  passed in as non-NULL. The action that this is apparently supposed to
  prevent is the

    rom->mr = mr;

  assignment (that's the only place where the "mr" parameter is used in
  rom_add_file()). In rom_add_blob() though, we have no "mr" parameter,
  and the actions done on the fw_cfg branch:

    if (fw_file_name && fw_cfg) {
        if (mc->rom_file_has_mr) {
            data = rom_set_mr(rom, OBJECT(fw_cfg), devpath);
            mr = rom->mr;
        } else {
            data = rom->data;
        }

  reflect those that are performed by rom_add_file() too (with mr==NULL):

    if (rom->fw_file && fw_cfg) {
        if ((!option_rom || mc->option_rom_has_mr) &&
            mc->rom_file_has_mr) {
            data = rom_set_mr(rom, OBJECT(fw_cfg), devpath);
        } else {
            data = rom->data;
        }

  Hence we need no additional restrictions in rom_add_blob().

* Stable is not affected as both problematic commits appeared first in
  v2.8.0-rc0.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alistair Francis <alistair.francis@xilinx.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
Cc: qemu-devel@nongnu.org
Fixes: 3e76099aac
Fixes: 5e774eb3bd
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-11-30 04:20:57 +02:00
Peter Xu 6cb99acc28 intel_iommu: fix incorrect device invalidate
"mask" needs to be inverted before use.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-11-30 04:20:57 +02:00
Stefan Hajnoczi c5b95f6be7 Small fixes for rc2.
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Merge remote-tracking branch 'bonzini/tags/for-upstream' into staging

Small fixes for rc2.

# gpg: Signature made Mon 28 Nov 2016 03:45:20 PM 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

* bonzini/tags/for-upstream:
  rules.mak: Use -r instead of -Wl, -r to fix building when PIE is default
  migration/pcspk: Turn migration of pcspk off for 2.7 and older
  migration/pcspk: Add a property to state if pcspk is migrated
  pci-assign: sync MSI/MSI-X cap and table with PCIDevice
  megasas: clean up and fix request completion/cancellation
  megasas: do not call pci_dma_unmap after having freed the frame once

Message-id: 1480372837-109736-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-29 10:05:07 +00:00
Stefan Hajnoczi 5a55760226 Xen 2016/11/28
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 =3ryE
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'sstabellini/tags/xen-20161128-tag' into staging

Xen 2016/11/28

# gpg: Signature made Mon 28 Nov 2016 07:37:33 PM GMT
# gpg:                using RSA key 0x894F8F4870E1AE90
# gpg: Good signature from "Stefano Stabellini <sstabellini@kernel.org>"
# gpg:                 aka "Stefano Stabellini <stefano.stabellini@eu.citrix.com>"
# Primary key fingerprint: D04E 33AB A51F 67BA 07D3  0AEA 894F 8F48 70E1 AE90

* sstabellini/tags/xen-20161128-tag:
  xen: ignore direction in bufioreq handling
  xen: slightly simplify bufioreq handling
  xen: fix quad word bufioreq handling
  xen_disk: split discard input to match internal representation

Message-id: alpine.DEB.2.10.1611281137590.21858@sstabellini-ThinkPad-X260
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-29 09:28:51 +00:00
Stefan Hajnoczi 517dcb8785 target-arm queue:
* hw/arm/boot: fix crash handling device trees with no /chosen
    or /memory nodes
  * generic-loader: only set PC if a CPU is specified
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'pm215/tags/pull-target-arm-20161128' into staging

target-arm queue:
 * hw/arm/boot: fix crash handling device trees with no /chosen
   or /memory nodes
 * generic-loader: only set PC if a CPU is specified

# gpg: Signature made Mon 28 Nov 2016 01:47:21 PM GMT
# gpg:                using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* pm215/tags/pull-target-arm-20161128:
  arm: Create /chosen and /memory devicetree nodes if necessary
  generic-loader: file: Only set a PC if a CPU is specified

Message-id: 1480341071-5367-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-29 09:28:24 +00:00
Dr. David Alan Gilbert 04e27c6bb0 migration/pcspk: Add a property to state if pcspk is migrated
Allow us to turn migration of pcspk off for compatibility.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20161128133201.16104-2-dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-11-28 16:45:12 +01:00
Peter Xu 64e184e260 pci-assign: sync MSI/MSI-X cap and table with PCIDevice
Since commit e1d4fb2d ("kvm-irqchip: x86: add msi route notify fn"),
kvm_irqchip_add_msi_route() starts to use pci_get_msi_message() to fetch
MSI info. This requires that we setup MSI related fields in PCIDevice.
For most devices, that won't be a problem, as long as we are using
general interfaces like msi_init()/msix_init().

However, for pci-assign devices, MSI/MSI-X is treated differently - PCI
assign devices are maintaining its own MSI table and cap information in
AssignedDevice struct. however that's not synced up with PCIDevice's
fields. That will leads to pci_get_msi_message() failed to find correct
MSI capability, even with an NULL msix_table.

A quick fix is to sync up the two places: both the capability bits and
table address for MSI/MSI-X.

Reported-by: Changlimin <changlimin@h3c.com>
Tested-by: Changlimin <changlimin@h3c.com>
Cc: qemu-stable@nongnu.org
Fixes: e1d4fb2d ("kvm-irqchip: x86: add msi route notify fn")
Signed-off-by: Peter Xu <peterx@redhat.com>

Message-Id: <1480042522-16551-1-git-send-email-peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-11-28 15:11:17 +01:00
Paolo Bonzini 9e55d58806 megasas: clean up and fix request completion/cancellation
megasas_command_cancel is a callback; it should report the abort in
the frame, not try another abort!  Compare for instance with
mptsas_request_cancelled.

So extract the common bits for request completion in a new function
megasas_complete_command, call it from both the .complete and .cancel
callbacks, and remove duplicate pieces from the DCMD path.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20161110152751.4267-2-pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-11-28 15:11:17 +01:00
Paolo Bonzini 75f19f8c30 megasas: do not call pci_dma_unmap after having freed the frame once
Commit 8cc4678 ("megasas: remove useless check for cmd->frame", 2016-07-17) was
wrong because I trusted Coverity too much.  It turns out that there _is_ a
path through which cmd->frame can become NULL.  After megasas_handle_frame's
switch (md->frame->header.frame_cmd), megasas_init_firmware can be called.
From there, megasas_reset_frames will call megasas_unmap_frame which resets
cmd->frame = NULL.

However, there is another bug to fix in there, because megasas_unmap_frame
is called again after setting the command status.  In this case QEMU should
not do anything, instead it calls pci_dma_unmap again.  Harmless, but
better fix it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-11-28 15:11:17 +01:00
Guenter Roeck b77257d7ba arm: Create /chosen and /memory devicetree nodes if necessary
While customary, the /chosen and /memory devicetree nodes do not have to
exist. Create if necessary. Also create the /memory/device_type property
if needed.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 1479346221-18474-1-git-send-email-linux@roeck-us.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-11-28 11:32:34 +00:00
Alistair Francis 6aa3a61657 generic-loader: file: Only set a PC if a CPU is specified
This patch fixes the generic-loader file loading to only set the program
counter if a CPU is specified. This follows what is written in the
documentation and was always part of the original intention.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 537bf4d08be7acf7a89b590cff69e19db7f0a6cd.1478908712.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-11-28 11:25:58 +00:00
Stefan Hajnoczi 0fecd0292c This pull request fixes some leaks (memory, fd) in the handle and proxy
backends.
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Merge remote-tracking branch 'gkurz/tags/for-upstream' into staging

This pull request fixes some leaks (memory, fd) in the handle and proxy
backends.

 # gpg: Signature made Wed 23 Nov 2016 12:53:41 PM GMT
 # gpg:                using DSA key 0x02FC3AEB0101DBC2
 # gpg: Good signature from "Greg Kurz <groug@kaod.org>"
 # gpg:                 aka "Greg Kurz <groug@free.fr>"
 # gpg:                 aka "Greg Kurz <gkurz@fr.ibm.com>"
 # gpg:                 aka "Greg Kurz <gkurz@linux.vnet.ibm.com>"
 # gpg:                 aka "Gregory Kurz (Groug) <groug@free.fr>"
 # gpg:                 aka "Gregory Kurz (Cimai Technology) <gkurz@cimai.com>"
 # gpg:                 aka "Gregory Kurz (Meiosys Technology) <gkurz@meiosys.com>"
 # gpg: WARNING: This key is not certified with a trusted signature!
 # gpg:          There is no indication that the signature belongs to the owner.
 # Primary key fingerprint: 2BD4 3B44 535E C0A7 9894  DBA2 02FC 3AEB 0101 DBC2

* gkurz/tags/for-upstream:
  9pfs: add cleanup operation for proxy backend driver
  9pfs: add cleanup operation for handle backend driver
  9pfs: add cleanup operation in FileOperations
  9pfs: adjust the order of resource cleanup in device unrealize

Message-id: 1479920298-24983-1-git-send-email-groug@kaod.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-24 10:16:23 +00:00
Stefan Hajnoczi 801edfcbb5 Fix alpha smp interrupt masking
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Merge remote-tracking branch 'rth/tags/pull-axp-20161123' into staging

Fix alpha smp interrupt masking

# gpg: Signature made Wed 23 Nov 2016 12:42:45 PM GMT
# gpg:                using RSA key 0xAD1270CC4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"
# Primary key fingerprint: 9CB1 8DDA F8E8 49AD 2AFC  16A4 AD12 70CC 4DD0 279B

* rth/tags/pull-axp-20161123:
  target-alpha: Fix interrupt mask for cpu1

Message-id: 1479905195-7424-1-git-send-email-rth@twiddle.net
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-24 09:50:32 +00:00
Olaf Hering 7875efb9f6 xen_disk: split discard input to match internal representation
The guest sends discard requests as u64 sector/count pairs, but the
block layer operates internally with s64/s32 pairs. The conversion
leads to IO errors in the guest, the discard request is not processed.

  domU.cfg:
  'vdev=xvda, format=qcow2, backendtype=qdisk, target=/x.qcow2'
  domU:
  mkfs.ext4 -F /dev/xvda
  Discarding device blocks: failed - Input/output error

Fix this by splitting the request into chunks of BDRV_REQUEST_MAX_SECTORS.
Add input range checking to avoid overflow.

Fixes f313520 ("xen_disk: add discard support")

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
2016-11-23 10:47:48 -08:00