Commit Graph

51175 Commits

Author SHA1 Message Date
Philipp Gesang
20f8a1392f docs: update manpage for stderr->log rename
With commit ed7f5f1d8d the name of
this backend changed from “stderr” to “log”.

Signed-off-by: Philipp Gesang <philipp.gesang@intra2net.com>
Message-id: 20170202114101.2655-1-philipp.gesang@intra2net.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-13 13:38:31 +00:00
Peter Maydell
6311b19b5c target-arm queue:
* aspeed: minor fixes
  * virt: declare fwcfg and virtio-mmio as DMA coherent in DT & ACPI
  * arm: enable basic TCG emulation of PMU for AArch64
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20170210' into staging

target-arm queue:
 * aspeed: minor fixes
 * virt: declare fwcfg and virtio-mmio as DMA coherent in DT & ACPI
 * arm: enable basic TCG emulation of PMU for AArch64

# gpg: Signature made Fri 10 Feb 2017 18:06:30 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

* remotes/pmaydell/tags/pull-target-arm-20170210:
  aspeed/smc: use a modulo to check segment limits
  aspeed/smc: handle dummies only in fast read mode
  aspeed: remove useless comment on controller segment size
  aspeed: check for negative values returned by blk_getlength()
  hw/arm/virt: Declare fwcfg as dma cache coherent in dt
  hw/arm/virt: Declare fwcfg as dma cache coherent in ACPI
  hw/arm/virt: Declare virtio-mmio as dma cache coherent in ACPI
  target-arm: Declare virtio-mmio as dma-coherent in dt
  target-arm: Enable vPMU support under TCG mode
  target-arm: Add support for PMU register PMINTENSET_EL1
  target-arm: Add support for AArch64 PMU register PMXEVTYPER_EL0
  target-arm: Add support for PMU register PMSELR_EL0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 18:54:30 +00:00
Peter Maydell
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Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging

# gpg: Signature made Fri 10 Feb 2017 16:47:54 GMT
# gpg:                using RSA key 0x7DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>"
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jnsnow/tags/ide-pull-request:
  ahci: advertise HOST_CAP_64

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 18:07:02 +00:00
Cédric Le Goater
b4cc583f02 aspeed/smc: use a modulo to check segment limits
The size of a segment is not necessarily a power of 2.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1486648058-520-5-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:30 +00:00
Cédric Le Goater
1a6d4fc27d aspeed/smc: handle dummies only in fast read mode
HW works fine in normal read mode with dummy bytes being set. So let's
check this case to not transfer bytes.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1486648058-520-4-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:29 +00:00
Cédric Le Goater
93bf276d5f aspeed: remove useless comment on controller segment size
The flash devices used for the FMC controller (BMC firmware) are well
defined for each Aspeed machine and are all smaller than the default
mapping window size, at least for CE0 which is the chip the SoC boots
from.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1486648058-520-3-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:29 +00:00
Cédric Le Goater
0c7209bee8 aspeed: check for negative values returned by blk_getlength()
write_boot_rom() does not check for negative values. This is more a
problem for coverity than the actual code as the size of the flash
device is checked when the m25p80 object is created. If there is
anything wrong with the backing file, we should not even reach that
path.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1486648058-520-2-git-send-email-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:29 +00:00
Alexander Graf
14efdb5cb3 hw/arm/virt: Declare fwcfg as dma cache coherent in dt
Fw-cfg recently learned how to directly access guest memory and does so in
cache coherent fashion. Tell the guest about that fact when it's using DT.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 1486644810-33181-5-git-send-email-agraf@suse.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:29 +00:00
Alexander Graf
3b5c492b1c hw/arm/virt: Declare fwcfg as dma cache coherent in ACPI
Fw-cfg recently learned how to directly access guest memory and does so in
cache coherent fashion. Tell the guest about that fact when it's using ACPI.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 1486644810-33181-4-git-send-email-agraf@suse.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:29 +00:00
Alexander Graf
76266d9913 hw/arm/virt: Declare virtio-mmio as dma cache coherent in ACPI
Virtio-mmio devices can directly access guest memory and do so in cache
coherent fashion. Tell the guest about that fact when it's using ACPI.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 1486644810-33181-3-git-send-email-agraf@suse.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:29 +00:00
Alexander Graf
054bb7b215 target-arm: Declare virtio-mmio as dma-coherent in dt
QEMU emulated hardware is always dma coherent with its guest. We do
annotate that correctly on the PCI host controller, but left out
virtio-mmio.

Recent kernels have started to interpret that flag rather than take
dma coherency as granted with virtio-mmio. While that is considered
a kernel bug, as it breaks previously working systems, it showed that
our dt description is incomplete.

This patch adds the respective marker that allows guest OSs to evaluate
that our virtio-mmio devices are indeed cache coherent.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1486644810-33181-2-git-send-email-agraf@suse.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:29 +00:00
Wei Huang
d6f02ce3b8 target-arm: Enable vPMU support under TCG mode
This patch contains several fixes to enable vPMU under TCG mode. It
first removes the checking of kvm_enabled() while unsetting
ARM_FEATURE_PMU. With it, the .pmu option can be used to turn on/off vPMU
under TCG mode. Secondly the PMU node of DT table is now created under TCG.
The last fix is to disable the masking of PMUver field of ID_AA64DFR0_EL1.

Signed-off-by: Wei Huang <wei@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1486504171-26807-5-git-send-email-wei@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:28 +00:00
Wei Huang
e6ec54571e target-arm: Add support for PMU register PMINTENSET_EL1
This patch adds access support for PMINTENSET_EL1.

Signed-off-by: Wei Huang <wei@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1486504171-26807-4-git-send-email-wei@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:28 +00:00
Wei Huang
fdb8665672 target-arm: Add support for AArch64 PMU register PMXEVTYPER_EL0
In order to support Linux perf, which uses PMXEVTYPER register,
this patch adds read/write access support for PMXEVTYPER. The access
is CONSTRAINED UNPREDICTABLE when PMSELR is not 0x1f. Additionally
this patch adds support for PMXEVTYPER_EL0.

Signed-off-by: Wei Huang <wei@redhat.com>
Message-id: 1486504171-26807-3-git-send-email-wei@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:28 +00:00
Wei Huang
6b0407805d target-arm: Add support for PMU register PMSELR_EL0
This patch adds support for AArch64 register PMSELR_EL0. The existing
PMSELR definition is revised accordingly.

Signed-off-by: Wei Huang <wei@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: Moved #ifndef CONFIG_USER_ONLY to cover new regdefs]
Message-id: 1486504171-26807-2-git-send-email-wei@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 17:40:28 +00:00
Ladi Prosek
98cb5dccb1 ahci: advertise HOST_CAP_64
The AHCI emulation code supports 64-bit addressing and should advertise this
fact in the Host Capabilities register. Both Linux and Windows drivers test
this bit to decide if the upper 32 bits of various registers may be written
to, and at least some versions of Windows have a bug where DMA is attempted
with an address above 4GB but, in the absence of HOST_CAP_64, the upper 32
bits are left unititialized which leads to a memory corruption.

[Maintainer edit:

This fixes https://bugzilla.redhat.com/show_bug.cgi?id=1411105,
which affects Windows Server 2008 SP2 in some cases.]

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Message-id: 1484305370-6220-1-git-send-email-lprosek@redhat.com
[Amended commit message --js]
Signed-off-by: John Snow <jsnow@redhat.com>
2017-02-10 11:47:11 -05:00
Thomas Huth
61eedf7aec tests/prom-env: Ease time-out problems on slow hosts
Peter Maydell recently ran into time-out problems with the
prom-env test on a rather slow ARM board. To tackle this issue,
we can speed up the test by running QEMU with "-nodefaults" for
the pseries machine, so that SLOF has less devices to scan during
boot, and by using the "nvramrc" environment variable instead of
"boot-command", since this variable is evaluated earlier in the
boot process.
And to be really sure that we do not face such time out problems
again, let's also increase the time out value from 100s to 120s
instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1486739699-1076-1-git-send-email-thuth@redhat.com
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 15:44:53 +00:00
Peter Maydell
33d076ebd0 One minor fix and a build split to reduce timeouts.
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-travis-10022017-1' into staging

One minor fix and a build split to reduce timeouts.

# gpg: Signature made Fri 10 Feb 2017 14:46:52 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-travis-10022017-1:
  .travis.yml: split VM based builds
  .travis.yml: don't specify CONFIG twice

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-10 15:05:37 +00:00
Alex Bennée
78a22af040 .travis.yml: split VM based builds
The Trusty based builds run a little slower than the main container
based ones. This is also true for the latest version of Clang. The
builds are getting very close (and occasionally run over) the 50 minute
timeout. Rather than partitioning by target I just split them into
linux-user and system builds.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-10 13:19:56 +00:00
Alex Bennée
fed5364971 .travis.yml: don't specify CONFIG twice
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-10 13:19:56 +00:00
Peter Maydell
8b1897725d vnc: add support for multiple listening sockets.
vnc: misc fixes and cleanups.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-ui-20170209-2' into staging

vnc: add support for multiple listening sockets.
vnc: misc fixes and cleanups.

# gpg: Signature made Thu 09 Feb 2017 16:45:02 GMT
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/pull-ui-20170209-2:
  ui: add ability to specify multiple VNC listen addresses
  util: add iterators for QemuOpts values
  ui: let VNC server listen on all resolved IP addresses
  ui: extract code to connect/listen from vnc_display_open
  ui: refactor code for populating SocketAddress from vnc_display_open
  ui: refactor VncDisplay to allow multiple listening sockets
  ui: fix reporting of VNC auth in query-vnc-servers
  ui: fix regression handling bare 'websocket' option to -vnc
  vnc: do not disconnect on EAGAIN
  ui/vnc: Drop unused vnc_has_job() and vnc_jobs_clear()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-09 16:58:39 +00:00
Daniel P. Berrange
396f935a9a ui: add ability to specify multiple VNC listen addresses
This change allows the listen address and websocket address
options for -vnc to be repeated. This causes the VNC server
to listen on multiple addresses. e.g.

 $ $QEMU -vnc vnc=localhost:1,vnc=unix:/tmp/vnc,\
              websocket=127.0.0.1:8080,websocket=[::]:8081

results in listening on

127.0.0.1:5901, 127.0.0.1:8080, ::1:5901, :::8081 & /tmp/vnc

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-9-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:49 +01:00
Daniel P. Berrange
e998e2090f util: add iterators for QemuOpts values
To iterate over all QemuOpts currently requires using a callback
function which is inconvenient for control flow. Add support for
using iterator functions more directly

  QemuOptsIter iter;
  QemuOpt *opt;

  qemu_opts_iter_init(&iter, opts, "repeated-key");
  while ((opt = qemu_opts_iter_next(&iter)) != NULL) {
      ....do something...
  }

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-8-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:49 +01:00
Daniel P. Berrange
57a6d6d538 ui: let VNC server listen on all resolved IP addresses
Remove the limitation that the VNC server can only listen on
a single resolved IP address. This uses the new DNS resolver
API to resolve a SocketAddress struct into an array of
SocketAddress structs containing raw IP addresses. The VNC
server will then attempt to listen on all resolved IP addresses.
The server must successfully listen on at least one of the
resolved IP addresses, otherwise an error will be reported.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-7-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:49 +01:00
Daniel P. Berrange
8bd22f477f ui: extract code to connect/listen from vnc_display_open
The code which takes a SocketAddress and connects/listens on the
network is going to get more complicated to deal with multiple
listeners. Pull it out into a separate method to avoid making the
vnc_display_open method even more complex.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-6-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:49 +01:00
Daniel P. Berrange
275e0d616b ui: refactor code for populating SocketAddress from vnc_display_open
The code which interprets the CLI args to populate the SocketAddress
objects for plain & websockets VNC is quite complex already and will
need further enhancements shortly. Refactor it into separate methods
to avoid vnc_display_open getting even larger. As a side effect of
the refactoring, it is now possible to specify a listen address for
the websocket server explicitly. e.g,

  -vnc localhost:5900,websockets=0.0.0.0:8080

will listen on localhost for the plain VNC server, but expose the
websockets VNC server on the public interface. This refactoring
also removes the restriction that prevents enabling websockets
when the plain VNC server is listening on a UNIX socket.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-5-berrange@redhat.com

[ kraxel: squashed clang build fix ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-09 17:28:45 +01:00
Daniel P. Berrange
4ee74fa708 ui: refactor VncDisplay to allow multiple listening sockets
Currently there is only a single listener for plain VNC and
a single listener for websockets VNC. This means that if
getaddrinfo() returns multiple IP addresses, for a hostname,
the VNC server can only listen on one of them. This is
just bearable if listening on wildcard interface, or if
the host only has a single network interface to listen on,
but if there are multiple NICs and the VNC server needs
to listen on 2 or more specific IP addresses, it can't be
done.

This refactors the VncDisplay state so that it holds an
array of listening sockets, but still only listens on
one socket.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-4-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:37 +01:00
Daniel P. Berrange
2a7e6857cd ui: fix reporting of VNC auth in query-vnc-servers
Currently the VNC authentication info is emitted at the
top level of the query-vnc-servers data. This is wrong
because the authentication scheme differs between plain
and websockets when TLS is enabled. We should instead
report auth against the individual servers. e.g.

(QEMU) query-vnc-servers
{
    "return": [
        {
            "clients": [],
            "id": "default",
            "auth": "vencrypt",
            "vencrypt": "x509-vnc",
            "server": [
                {
                    "host": "127.0.0.1"
                    "service": "5901",
                    "websocket": false,
                    "family": "ipv4",
                    "auth": "vencrypt",
                    "vencrypt": "x509-vnc"
                },
                {
                    "host": "127.0.0.1",
                    "service": "5902",
                    "websocket": true,
                    "family": "ipv4",
                    "auth": "vnc"
                }
            ]
        }
    ]
}

This also future proofs the QMP schema so that we can
cope with multiple VNC server instances, listening on
different interfaces or ports, with different auth
setup.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-3-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:37 +01:00
Daniel P. Berrange
1b1aeb5828 ui: fix regression handling bare 'websocket' option to -vnc
The -vnc argument is documented as accepting two syntaxes for
the 'websocket' option, either a bare option name, or a port
number. If using the bare option name, it is supposed to apply
the display number as an offset to base port 5700. e.g.

  -vnc localhost:3,websocket

should listen on port 5703, however, this was broken in 2.3.0 since

  commit 4db14629c3
  Author: Gerd Hoffmann <kraxel@redhat.com>
  Date:   Tue Sep 16 12:33:03 2014 +0200

    vnc: switch to QemuOpts, allow multiple servers

instead qemu tries to listen on port "on" which gets looked up in
/etc/services and fails.

Fixes bug: #1455912

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170203120649.15637-2-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:37 +01:00
Michael Tokarev
537848ee62 vnc: do not disconnect on EAGAIN
When qemu vnc server is trying to send large update to clients,
there might be a situation when system responds with something
like EAGAIN, indicating that there's no system memory to send
that much data (depending on the network speed, client and server
and what is happening).  In this case, something like this happens
on qemu side (from strace):

sendmsg(16, {msg_name(0)=NULL,
        msg_iov(1)=[{"\244\"..., 729186}],
        msg_controllen=0, msg_flags=0}, 0) = 103950
sendmsg(16, {msg_name(0)=NULL,
        msg_iov(1)=[{"lz\346"..., 1559618}],
        msg_controllen=0, msg_flags=0}, 0) = -1 EAGAIN
sendmsg(-1, {msg_name(0)=NULL,
        msg_iov(1)=[{"lz\346"..., 1559618}],
        msg_controllen=0, msg_flags=0}, 0) = -1 EBADF

qemu closes the socket before the retry, and obviously it gets EBADF
when trying to send to -1.

This is because there WAS a special handling for EAGAIN, but now it doesn't
work anymore, after commit 04d2529da2, because
now in all error-like cases we initiate vnc disconnect.

This change were introduced in qemu 2.6, and caused numerous grief for many
people, resulting in their vnc clients reporting sporadic random disconnects
from vnc server.

Fix that by doing the disconnect only when necessary, i.e. omitting this
very case of EAGAIN.

Hopefully the existing condition (comparing with QIO_CHANNEL_ERR_BLOCK)
is sufficient, as the original code (before the above commit) were
checking for other errno values too.

Apparently there's another (semi?)bug exist somewhere here, since the
code tries to write to fd# -1, it probably should check if the connection
is open before. But this isn't important.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1486115549-9398-1-git-send-email-mjt@msgid.tls.msk.ru
Fixes: 04d2529da2
Cc: Daniel P. Berrange <berrange@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:36 +01:00
Peter Maydell
c3ff04b60d ui/vnc: Drop unused vnc_has_job() and vnc_jobs_clear()
The functions vnc_has_job() and vnc_jobs_clear() are
never used; remove them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Message-id: 1486146260-8092-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-08 14:59:36 +01:00
Peter Maydell
f073cd3a2b target-arm:
* new "unimplemented" device for stubbing out devices in a
    system model so accesses can be logged
  * stellaris: document the SoC memory map
  * arm: create instruction syndromes for AArch32 data aborts
  * arm: Correctly handle watchpoints for BE32 CPUs
  * Fix Thumb-1 BE32 execution and disassembly
  * arm: Add cfgend parameter for ARM CPU selection
  * sd: sdhci: check data length during dma_memory_read
  * aspeed: add a watchdog controller
  * integratorcp: adding vmstate for save/restore
 -----BEGIN PGP SIGNATURE-----
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20170207-1' into staging

target-arm:
 * new "unimplemented" device for stubbing out devices in a
   system model so accesses can be logged
 * stellaris: document the SoC memory map
 * arm: create instruction syndromes for AArch32 data aborts
 * arm: Correctly handle watchpoints for BE32 CPUs
 * Fix Thumb-1 BE32 execution and disassembly
 * arm: Add cfgend parameter for ARM CPU selection
 * sd: sdhci: check data length during dma_memory_read
 * aspeed: add a watchdog controller
 * integratorcp: adding vmstate for save/restore

# gpg: Signature made Tue 07 Feb 2017 19:20:19 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

* remotes/pmaydell/tags/pull-target-arm-20170207-1:
  stellaris: Use the 'unimplemented' device for parts we don't implement
  hw/misc: New "unimplemented" sysbus device
  stellaris: Document memory map and which SoC devices are unimplemented
  target/arm: A32, T32: Create Instruction Syndromes for Data Aborts
  target/arm: Abstract out pbit/wbit tests in ARM ldr/str decode
  arm: Correctly handle watchpoints for BE32 CPUs
  Fix Thumb-1 BE32 execution and disassembly.
  target/arm: Add cfgend parameter for ARM CPU selection.
  hw/arm/integratorcp: Support specifying features via -cpu
  sd: sdhci: check data length during dma_memory_read
  aspeed: add a watchdog controller
  wdt: Add Aspeed watchdog device model
  integratorcp: adding vmstate for save/restore

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 19:21:30 +00:00
Peter Maydell
aecfbbc97a stellaris: Use the 'unimplemented' device for parts we don't implement
Use the 'unimplemented' dummy device to cover regions of the
SoC device memory map which we don't have proper device
implementations for yet.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1484247815-15279-4-git-send-email-peter.maydell@linaro.org
2017-02-07 18:55:15 +00:00
Peter Maydell
f5095aa380 hw/misc: New "unimplemented" sysbus device
Create a new "unimplemented" sysbus device, which simply accepts
all read and write accesses, and implements them as read-as-zero,
write-ignored, with logging of the access as LOG_UNIMP.

This is useful for stubbing out bits of an SoC or board model
which haven't been written yet.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1484247815-15279-3-git-send-email-peter.maydell@linaro.org
2017-02-07 18:55:15 +00:00
Peter Maydell
394c8bbfb7 stellaris: Document memory map and which SoC devices are unimplemented
Add a comment documenting the memory map of the SoC devices and which
are not implemented.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1484247815-15279-2-git-send-email-peter.maydell@linaro.org
2017-02-07 18:55:15 +00:00
Peter Maydell
9bb6558a21 target/arm: A32, T32: Create Instruction Syndromes for Data Aborts
Add support for generating the ISS (Instruction Specific Syndrome)
for Data Abort exceptions taken from AArch32. These syndromes are
used by hypervisors for example to trap and emulate memory accesses.

This is the equivalent for AArch32 guests of the work done for AArch64
guests in commit aaa1f954d4.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2017-02-07 18:30:00 +00:00
Peter Maydell
63f26fcfda target/arm: Abstract out pbit/wbit tests in ARM ldr/str decode
In the ARM ldr/str decode path, rather than directly testing
"insn & (1 << 21)" and "insn & (1 << 24)", abstract these
bits out into wbit and pbit local flags. (We will want to
do more tests against them to determine whether we need to
provide syndrome information.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2017-02-07 18:29:59 +00:00
Julian Brown
4061200059 arm: Correctly handle watchpoints for BE32 CPUs
In BE32 mode, sub-word size watchpoints can fail to trigger because the
address of the access is adjusted in the opcode helpers before being
compared with the watchpoint registers.  This patch reverses the address
adjustment before performing the comparison with the help of a new CPUClass
hook.

This version of the patch augments and tidies up comments a little.

Signed-off-by: Julian Brown <julian@codesourcery.com>
Message-id: caaf64ffc72f6ae183015337b7afdbd4b8989cb6.1484929304.git.julian@codesourcery.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:59 +00:00
Julian Brown
f7478a92dd Fix Thumb-1 BE32 execution and disassembly.
Thumb-1 code has some issues in BE32 mode (as currently implemented). In
short, since bytes are swapped within words at load time for BE32
executables, this also swaps pairs of adjacent Thumb-1 instructions.

This patch un-swaps those pairs of instructions again, both for execution,
and for disassembly. (The previous version of the patch always read four
bytes in arm_read_memory_func and then extracted the proper two bytes,
in a probably misguided attempt to match the behaviour of actual hardware
as described by e.g. the ARM9TDMI TRM, section 3.3 "Endian effects for
instruction fetches". It's less complicated to just read the correct
two bytes though.)

Signed-off-by: Julian Brown <julian@codesourcery.com>
Message-id: ca20462a044848000370318a8bd41dd0a4ed273f.1484929304.git.julian@codesourcery.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:59 +00:00
Julian Brown
3a062d5730 target/arm: Add cfgend parameter for ARM CPU selection.
Add a new "cfgend" property which selects whether the CPU resets into
big-endian mode or not.  This setting affects whether we reset with
SCTLR_B (ARMv6 and earlier) or SCTLR_EE (ARMv7 and later) set.

Signed-off-by: Julian Brown <julian@codesourcery.com>
Message-id: 11420d1c49636c1790e60578ee996e51f0f0b835.1484929304.git.julian@codesourcery.com
[PMM: use error_report_err() rather than error_report();
 move the integratorcp changes to their own patch;
 drop an unnecessary extra #include;
 rephrase commit message accordingly;
 move setting of reset_sctlr above registration of cpregs
 so it actually has an effect]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:59 +00:00
Julian Brown
00909b5858 hw/arm/integratorcp: Support specifying features via -cpu
Since the integratorcp board creates the CPU object directly
rather than via cpu_arm_init(), we have to call the CPU
class parse_features() method ourselves if we want to
support the user passing features via the -cpu command
line argument as well as just the cpu name. Do so.

Signed-off-by: Julian Brown <julian@codesourcery.com>
[PMM: split out into its own patch]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:59 +00:00
Prasad J Pandit
42922105be sd: sdhci: check data length during dma_memory_read
While doing multi block SDMA transfer in routine
'sdhci_sdma_transfer_multi_blocks', the 's->fifo_buffer' starting
index 'begin' and data length 's->data_count' could end up to be same.
This could lead to an OOB access issue. Correct transfer data length
to avoid it.

Cc: qemu-stable@nongnu.org
Reported-by: Jiang Xin <jiangxin1@huawei.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20170130064736.9236-1-ppandit@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:59 +00:00
Cédric Le Goater
013befe1ca aspeed: add a watchdog controller
This enables reboot of a guest from U-Boot and Linux.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 1485452251-1593-3-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:59 +00:00
Cédric Le Goater
854123bf8d wdt: Add Aspeed watchdog device model
The Aspeed SoC includes a set of watchdog timers using 32-bit
decrement counters, which can be based either on the APB clock or
a 1 MHz clock.

The watchdog timer is designed to prevent system deadlock and, in
general, it should be restarted before timeout. When a timeout occurs,
different types of signals can be generated, ARM reset, SOC reset,
System reset, CPU Interrupt, external signal or boot from alternate
block. The current model only performs the system reset function as
this is used by U-Boot and Linux.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-id: 1485452251-1593-2-git-send-email-clg@kaod.org
[clg: - fixed compile breakage
      - fixed io region size
      - added watchdog_perform_action() on timer expiry
      - wrote a commit log
      - merged fixes from Andrew Jeffery to scale the reload value ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:59 +00:00
Pavel Dovgalyuk
26d3202207 integratorcp: adding vmstate for save/restore
VMState added by this patch preserves correct
loading of the integratorcp device state.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-id: 20170131114310.6768.79416.stgit@PASHA-ISP
[PMM: removed unnecessary minimum_version_id_old lines]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 18:29:58 +00:00
Peter Maydell
d0dff238a8 migration/next for 20170206
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 =R5kr
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20170206' into staging

migration/next for 20170206

# gpg: Signature made Mon 06 Feb 2017 16:13:26 GMT
# gpg:                using RSA key 0xF487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg:                 aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* remotes/juanquintela/tags/migration/20170206:
  postcopy: Recover block devices on early failure
  Postcopy: Reset state to avoid cleanup assert
  vmstate registration: check return values
  migration: Check for ID length
  vmstate_register_with_alias_id: Take an Error **
  migration: create Migration Incoming State at init time

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 15:29:26 +00:00
Peter Maydell
3c457da147 Misc hppa fixes.
-----BEGIN PGP SIGNATURE-----
 
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 =7mkL
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/rth/tags/pull-hppa-20170206' into staging

Misc hppa fixes.

# gpg: Signature made Tue 07 Feb 2017 02:28:40 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

* remotes/rth/tags/pull-hppa-20170206:
  target/hppa: Fix gdb_write_register
  target/hppa: Tidy do_cbranch
  linux-user: define correct UTS machine name for hppa
  linux-user: fix "apt-get update" on linux-user hppa
  linux-user: add hppa magic numbers in qemu-binfmt-conf.sh

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 14:11:52 +00:00
Daniel P. Berrange
ac7568bd3f rules: don't try to create missing include dirs
In

  commit ba78db44f6
  Author: Daniel P. Berrange <berrange@redhat.com>
  Date:   Wed Jan 25 16:14:10 2017 +0000

  make: move top level dir to end of include search path

The dir $(BUILD_DIR)/$(@D) was added to the include
path. This would sometimes point to a non-existant
directory, if the sub-dir in question did not contain
any target-independant files (eg tcg/). To deal with
this the rules.mak attempted to create the directory.

While this was succesful, it also caused accidental
creation of files in the parent of the build dir.
e.g. when building common source files into target
specific output files.

Rather than trying to workaround this, just revert
the code that attempted to mkdir the missing include
directories. Instead just turn off the compiler warning
in question as the missing dir is expected & harmless
in general.

NB: you can clean up a build directory parent that has
been filled with empty directories by commit ba78db44f6
using this GNU find command in that parent directory:
  find audio backends block chardev crypto disas fsdev hw io linux-user \
    migration nbd net qapi qom replay slirp target ui util \
    -type d -empty -delete

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Tested-by: Alberto Garcia <berto@igalia.com>
[PMM: added note about how to clean up a polluted directory]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-07 11:52:34 +00:00
Richard Henderson
6836a8fb96 target/hppa: Fix gdb_write_register
Add a missing break, detected by Coverity.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-02-06 18:25:31 -08:00
Richard Henderson
a881c8e73f target/hppa: Tidy do_cbranch
Removes some dead code detected by Covarity.

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-02-06 18:24:40 -08:00