Commit Graph

38412 Commits

Author SHA1 Message Date
Bastian Koppelmann
f69c24e458 target-tricore: properly fix dvinit_b/h_13
The TriCore documentation was wrong on how to calculate ovf bits for those two
instructions, which I confirmed with real hardware (TC1796 chip). An ovf
actually happens, if the result (without remainder) does not fit into 8/16 bits.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
2015-03-24 09:45:28 +01:00
Bastian Koppelmann
00e1754ff1 target-tricore: fix RRPW_DEXTR using wrong reg
RRPW_DEXTR used r1 for the low part and r2 for the high part. It should be the
other way round. This also fixes that the result of the first shift was not
saved in a temp and could overwrite registers that were needed for the second
shift.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
2015-03-24 09:45:28 +01:00
Bastian Koppelmann
2b9d09bb3c target-tricore: fix DVINIT_HU/BU calculating overflow before result
dvinit_hu/bu for ISA v1.3 calculate the higher part of the result, that is needed
for the overflow bits, after calculating the overflow bits.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
2015-03-24 09:45:28 +01:00
Stefan Weil
30a0d72f94 target-tricore: Fix two helper functions (clang warnings)
clang report:

target-tricore/op_helper.c:1247:24: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1248:25: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1249:19: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1297:24: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1298:25: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]
target-tricore/op_helper.c:1299:19: warning:
  taking the absolute value of unsigned type 'uint32_t' (aka 'unsigned int')
  has no effect [-Wabsolute-value]

Fix also the divisor which was taken from the wrong register
(thanks to Peter Maydell for this hint).

Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <1425739412-8144-1-git-send-email-sw@weilnetz.de>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
2015-03-24 09:45:28 +01:00
Peter Maydell
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Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging

# gpg: Signature made Mon Mar 23 16:51:45 2015 GMT using RSA key ID AAFC390E
# gpg: Can't check signature: public key not found

* remotes/jnsnow/tags/ide-pull-request:
  ahci-test: improve rw buffer patterns
  ahci: Fix sglist offset manipulation for BE machines
  ide: fix cmd_read_pio when nsectors > 1
  ide: fix cmd_write_pio when nsectors > 1

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-23 17:02:12 +00:00
John Snow
54fced034e ahci-test: improve rw buffer patterns
My pattern was cyclical every 256 bytes, so it missed a fairly obvious
failure case. Add some rand() pepper into the test pattern, and for large
patterns that exceed 256 sectors, start writing an ID per-sector so that
we never generate identical sector patterns.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Message-id: 1426811056-2202-5-git-send-email-jsnow@redhat.com
2015-03-23 12:24:16 -04:00
John Snow
ac38123609 ahci: Fix sglist offset manipulation for BE machines
This does not bother DMA, because DMA generally transfers
the entire SGList in one shot if it can.

PIO, on the other hand, tries to transfer just one sector
at a time, and will make multiple visits to the sglist
to fetch memory addresses.

Fix the memory address calculaton when we have an offset
by moving the offset addition OUTSIDE of the le64_to_cpu
calculation.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Message-id: 1426811056-2202-4-git-send-email-jsnow@redhat.com
2015-03-23 12:24:16 -04:00
John Snow
dd0bf7baab ide: fix cmd_read_pio when nsectors > 1
Similar to the cmd_write_pio fix, update the nsector count and
ide sector before we invoke ide_transfer_start.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Message-id: 1426811056-2202-3-git-send-email-jsnow@redhat.com
2015-03-23 12:24:16 -04:00
John Snow
6aff22c013 ide: fix cmd_write_pio when nsectors > 1
We need to adjust the sector being written to
prior to calling ide_transfer_start, otherwise
we'll write to the same sector again.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Message-id: 1426811056-2202-2-git-send-email-jsnow@redhat.com
2015-03-23 12:24:16 -04:00
Peter Maydell
e7aab6d6e3 linux-user patches for 2.3-rc1
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Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20150323' into staging

linux-user patches for 2.3-rc1

# gpg: Signature made Mon Mar 23 13:51:56 2015 GMT using RSA key ID DE3C9BC0
# gpg: Good signature from "Riku Voipio <riku.voipio@iki.fi>"
# gpg:                 aka "Riku Voipio <riku.voipio@linaro.org>"

* remotes/riku/tags/pull-linux-user-20150323:
  linux-user: fix broken cpu_copy()
  linux-user: fix emulation of splice syscall
  linux-user/main.c: Remove redundant end_exclusive() in arm_kernel_cmpxchg64_helper()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-23 15:11:29 +00:00
Leon Alrae
61c7480fa3 linux-user: fix broken cpu_copy()
New threads always point at the same env which is incorrect and usually
leads to a crash.

Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2015-03-23 15:26:42 +02:00
Andreas Schwab
17644b3627 linux-user: fix emulation of splice syscall
The second and fourth argument are in/out parameters, store them back
after the syscall.  Also, the fourth argument was mishandled, and EFAULT
handling was missing.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2015-03-22 15:18:51 +02:00
Chen Gang S
92bed463d1 linux-user/main.c: Remove redundant end_exclusive() in arm_kernel_cmpxchg64_helper()
start/end_exclusive() need be pairs, except the start_exclusive() in
stop_all_tasks() which is only used by force_sig(), which will be abort.
So at present, start_exclusive() in stop_all_task() need not be paired.

queue_signal() may call force_sig(), or return after kill pid (or queue
signal). If could return from queue_signal(), stop_all_task() would not
be called in time, the next end_exclusive() would be issue.

So in arm_kernel_cmpxchg64_helper() for ARM, need remove end_exclusive()
after queue_signal(). The related commit: "97cc756 linux-user: Implement
new ARM 64 bit cmpxchg kernel helper".

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2015-03-22 15:16:55 +02:00
Peter Maydell
3c6c9fe034 X86 queue 2015-03-19
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into staging

X86 queue 2015-03-19

# gpg: Signature made Thu Mar 19 19:40:17 2015 GMT using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@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: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-pull-request:
  target-i386: Haswell-noTSX and Broadwell-noTSX
  Revert "target-i386: Disable HLE and RTM on Haswell & Broadwell"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-20 12:26:09 +00:00
Peter Maydell
4eef86486d NUMA queue 2015-03-19
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Merge remote-tracking branch 'remotes/ehabkost/tags/work/numa-verify-cpus-pull-request' into staging

NUMA queue 2015-03-19

# gpg: Signature made Thu Mar 19 19:25:53 2015 GMT using RSA key ID 984DC5A6
# gpg: Can't check signature: public key not found

* remotes/ehabkost/tags/work/numa-verify-cpus-pull-request:
  numa: Print warning if no node is assigned to a CPU
  pc: fix default VCPU to NUMA node mapping
  numa: introduce machine callback for VCPU to node mapping
  numa: Reject configuration if CPU appears on multiple nodes
  numa: Reject CPU indexes > max_cpus
  numa: Fix off-by-one error at MAX_CPUMASK_BITS check

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-20 10:37:03 +00:00
Peter Maydell
e7e9b49f8e usb: bugfix collection.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20150320-1' into staging

usb: bugfix collection.

# gpg: Signature made Fri Mar 20 07:51:19 2015 GMT using RSA key ID D3E87138
# 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>"

* remotes/kraxel/tags/pull-usb-20150320-1:
  ehci: fix segfault when hot-unplugging ehci controller
  ohci: fix resource cleanup leak
  uhci: fix segfault when hot-unplugging uhci controller
  hw/usb: Include USB files only if necessary
  usb/dev-storage: Avoid qerror_report_err() outside QMP handlers
  usb/dev-storage: Fix QMP device_add missing encryption key failure
  monitor usb: Inline monitor_read_bdrv_key_start()'s first part
  monitor: Plug memory leak in monitor_read_bdrv_key_start()
  monitor: Drop dead QMP check from monitor_read_password()
  uhci: Convert to realize
  ohci: Complete conversion to realize
  usb: Improve companion configuration error messages
  usb: Propagate errors through usb_register_companion()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-20 09:50:08 +00:00
Gonglei
4e289b1b62 ehci: fix segfault when hot-unplugging ehci controller
When hot-unplugging the usb controllers (ehci/uhci),
we have to clean all resouce of these devices,
involved registered reset handler. Otherwise, it
may cause NULL pointer access and/or segmentation fault
if we reboot the guest os after hot-unplugging.

Let's hook up reset via DeviceClass->reset() and drop
the qemu_register_reset() call. Then Qemu will register
and unregister the reset handler automatically.

Cc: qemu-stable <qemu-stable@nongnu.org>
Reported-by: Lidonglin <lidonglin@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-20 08:50:12 +01:00
Gonglei
88dd1b8d00 ohci: fix resource cleanup leak
When hot-unplugging the usb controllers (ehci/uhci),
we have to clean all resouce of these devices,
involved registered reset handler. Otherwise, it
may cause NULL pointer access and/or segmentation fault
if we reboot the guest os after hot-unplugging.

Let's hook up reset via DeviceClass->reset() and drop
the qemu_register_reset() call. Then Qemu will register
and unregister the reset handler automatically.

Ohci does't support hotplugging/hotunplugging yet, but
existing resource cleanup leak logic likes ehci/uhci.

Cc: qemu-stable <qemu-stable@nongnu.org>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-20 08:50:06 +01:00
Gonglei
537e572a7f uhci: fix segfault when hot-unplugging uhci controller
When hot-unplugging the usb controllers (ehci/uhci),
we have to clean all resouce of these devices,
involved registered reset handler. Otherwise, it
may cause NULL pointer access and/or segmentation fault
if we reboot the guest os after hot-unplugging.

Let's hook up reset via DeviceClass->reset() and drop
the qemu_register_reset() call. Then Qemu will register
and unregister the reset handler automatically.

Cc: qemu-stable <qemu-stable@nongnu.org>
Reported-by: Lidonglin <lidonglin@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-20 08:50:01 +01:00
Eduardo Habkost
a356850b80 target-i386: Haswell-noTSX and Broadwell-noTSX
With the Intel microcode update that removed HLE and RTM, there will be
different kinds of Haswell and Broadwell CPUs out there: some that still
have the HLE and RTM features, and some that don't have the HLE and RTM
features. On both cases people may be willing to use the pc-*-2.3
machine-types.

So, to cover both cases, introduce Haswell-noTSX and Broadwell-noTSX CPU
models, for hosts that have Haswell and Broadwell CPUs without TSX support.

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-03-19 16:35:14 -03:00
Eduardo Habkost
1ee9159882 Revert "target-i386: Disable HLE and RTM on Haswell & Broadwell"
This reverts commit 13704e4c45.

With the Intel microcode update that removed HLE and RTM, there will be
different kinds of Haswell and Broadwell CPUs out there: some that still
have the HLE and RTM features, and some that don't have the HLE and RTM
features. On both cases people may be willing to use the pc-*-2.3
machine-types.

So instead of making the CPU model results confusing by making it depend
on the machine-type, keep HLE and RTM on the existing Haswell and
Broadwell CPU models. The plan is to introduce "Haswell-noTSX" and
"Broadwell-noTSX" CPU models later, for people who have CPUs that don't
have TSX feature available.

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-03-19 16:35:14 -03:00
Eduardo Habkost
549fc54b8c numa: Print warning if no node is assigned to a CPU
We need all possible CPUs (including hotplug ones) to be present in the
SRAT when QEMU starts. QEMU already does that correctly today, the only
problem is that when a CPU is omitted from the NUMA configuration, it is
silently assigned to node 0.

Check if all CPUs up to max_cpus are present in the NUMA configuration
and warn about missing CPUs.

Make it just a warning, to allow management software to be updated if
necessary. In the future we may make it a fatal error instead.

Command-line examples:

* Correct, no warning:

  $ qemu-system-x86_64 -smp 2,maxcpus=4
  $ qemu-system-x86_64 -smp 2,maxcpus=4 -numa node,cpus=0-3

* Incomplete, with warnings:

  $ qemu-system-x86_64 -smp 2,maxcpus=4 -numa node,cpus=0
  qemu-system-x86_64: warning: CPU(s) not present in any NUMA nodes: 1 2 3
  qemu-system-x86_64: warning: All CPU(s) up to maxcpus should be described in NUMA config

  $ qemu-system-x86_64 -smp 2,maxcpus=4 -numa node,cpus=0-2
  qemu-system-x86_64: warning: CPU(s) not present in any NUMA nodes: 3
  qemu-system-x86_64: warning: All CPU(s) up to maxcpus should be described in NUMA config

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
v1 -> v2: (no changes)

v2 -> v3:
 * Use enumerate_cpus() and error_report() for error message
 * Simplify logic using bitmap_full()

v3 -> v4:
 * Clarify error message, mention that all CPUs up to
   maxcpus need to be described in NUMA config

v4 -> v5:
 * Commit log update, to make problem description clearer
2015-03-19 16:20:15 -03:00
Igor Mammedov
fb43b73b92 pc: fix default VCPU to NUMA node mapping
Since commit
   dd0247e0 pc: acpi: mark all possible CPUs as enabled in SRAT
Linux kernel actually tries to use CPU to Node mapping from
QEMU provided SRAT table instead of discarding it, and that
in some cases breaks build_sched_domains() which expects
sane mapping where cores/threads belonging to the same socket
are on the same NUMA node.

With current default round-robin mapping of VCPUs to nodes
guest ends-up with cores/threads belonging to the same socket
being on different NUMA nodes.

For example with following CLI:

   qemu-system-x86_64 -m 4G \
         -cpu Opteron_G3,vendor=AuthenticAMD \
         -smp 5,sockets=1,cores=4,threads=1,maxcpus=8 \
         -numa node,nodeid=0 -numa node,nodeid=1

2.6.32 based kernels will hang on boot due to incorrectly built
sched_group-s list in update_sd_lb_stats()

Replacing default mapping with a manual, where VCPUs belonging to
the same socket are on the same NUMA node, fixes the issue for
guests which can't handle nonsense topology i.e. changing CLI to:
  -numa node,nodeid=0,cpus=0-3 -numa node,nodeid=1,cpus=4-7

So instead of simply scattering VCPUs around nodes, provide
callback to map the same socket VCPUs to the same NUMA node,
which is what guests would expect from a sane hardware/BIOS.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-03-19 16:12:09 -03:00
Igor Mammedov
57924bcd87 numa: introduce machine callback for VCPU to node mapping
Current default round-robin way of distributing VCPUs among
NUMA nodes might be wrong in case on multi-core/threads
CPUs. Making guests confused wrt topology where cores from
the same socket are on different nodes.

Allow a machine to override default mapping by providing
 MachineClass::cpu_index_to_socket_id()
callback which would allow it group VCPUs from a socket
on the same NUMA node.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-03-19 16:12:09 -03:00
Eduardo Habkost
3ef7197505 numa: Reject configuration if CPU appears on multiple nodes
Each CPU can appear in only one NUMA node on the NUMA config. Reject
configuration if a CPU appears in multiple nodes.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-03-19 16:01:22 -03:00
Eduardo Habkost
8979c945c1 numa: Reject CPU indexes > max_cpus
CPU index is always less than max_cpus, as documented at sysemu.h:

> The following shall be true for all CPUs:
>   cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS

Reject configuration which uses invalid CPU indexes.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-03-19 16:01:22 -03:00
Eduardo Habkost
ed26b92290 numa: Fix off-by-one error at MAX_CPUMASK_BITS check
Fix the CPU index check to ensure we don't go beyond the size of the
node_cpu bitmap.

CPU index is always less than MAX_CPUMASK_BITS, as documented at
sysemu.h:

> The following shall be true for all CPUs:
>   cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-03-19 16:01:22 -03:00
Peter Maydell
3e5f6234b4 Block patches for 2.3.0-rc1
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches for 2.3.0-rc1

# gpg: Signature made Thu Mar 19 15:03:26 2015 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream:
  block: Fix blockdev-backup not to use funky error class
  raw-posix: Deprecate aio=threads fallback without O_DIRECT
  raw-posix: Deprecate host floppy passthrough

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-19 17:47:08 +00:00
Peter Maydell
33a8d5b72d virtio-serial api: guest_writable callback for users
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Merge remote-tracking branch 'remotes/amit/tags/vser-for-2.3-3' into staging

virtio-serial api: guest_writable callback for users

# gpg: Signature made Thu Mar 19 12:06:55 2015 GMT using RSA key ID 854083B6
# gpg: Good signature from "Amit Shah <amit@amitshah.net>"
# gpg:                 aka "Amit Shah <amit@kernel.org>"
# gpg:                 aka "Amit Shah <amitshah@gmx.net>"

* remotes/amit/tags/vser-for-2.3-3:
  virtio: serial: expose a 'guest_writable' callback for users

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-19 16:46:32 +00:00
Markus Armbruster
5b347c5410 block: Fix blockdev-backup not to use funky error class
Error classes are a leftover from the days of "rich" error objects.
New code should always use ERROR_CLASS_GENERIC_ERROR.  Commit
b7b9d39..7c6a4ab added uses of ERROR_CLASS_DEVICE_NOT_FOUND.  Replace
them.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-19 16:02:59 +01:00
Peter Maydell
7a9a5e72e8 trivial patches for 2015-03-19
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Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-03-19' into staging

trivial patches for 2015-03-19

# gpg: Signature made Thu Mar 19 08:57:54 2015 GMT using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"

* remotes/mjt/tags/pull-trivial-patches-2015-03-19: (24 commits)
  qga/commands-posix: Fix resource leak
  elf-loader: Add missing error handling for call of lseek
  elf-loader: Fix truncation warning from coverity
  hmp: Fix texinfo documentation
  Fix typos in comments
  qtest/ahci: Fix a bit mask expression
  vl: fix resource leak with monitor_fdset_add_fd
  smbios: add max speed comdline option for type-17 (meory device) structure
  pc-dimm: Add description for device list.
  configure: enable kvm on x32
  error: Replace error_report() & error_free() with error_report_err()
  arm: fix memory leak
  qmp: Drop unused .user_print from command definitions
  hmp: Fix definition of command quit
  target-moxie: Fix warnings from Sparse (one-bit signed bitfield)
  block/qapi: Fix Sparse warning
  Fix remaining warnings from Sparse (void return)
  qom: Fix warning from Sparse
  target-mips: Fix warning from Sparse
  arm/nseries: Fix warnings from Sparse
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-19 14:10:20 +00:00
Peter Maydell
d88aec88cd MIPS patches 2015-03-18
Changes:
 * bug fixes
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Merge remote-tracking branch 'remotes/lalrae/tags/mips-20150318' into staging

MIPS patches 2015-03-18

Changes:
* bug fixes

# gpg: Signature made Wed Mar 18 10:06:00 2015 GMT using RSA key ID 0B29DA6B
# gpg: Can't check signature: public key not found

* remotes/lalrae/tags/mips-20150318:
  target-mips: save cpu state before calling MSA load and store helpers
  target-mips: fix hflags modified in delay / forbidden slot
  target-mips: fix CP0.BadVAddr by stopping translation on Address Error

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-19 13:04:07 +00:00
Peter Maydell
1cfa7e0ab2 vnc: fix websockets & QMP.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-vnc-20150318-1' into staging

vnc: fix websockets & QMP.

# gpg: Signature made Wed Mar 18 13:12:35 2015 GMT using RSA key ID D3E87138
# 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>"

* remotes/kraxel/tags/pull-vnc-20150318-1:
  ui: ensure VNC websockets server checks the ACL if requested
  ui: remove separate gnutls_session for websockets server
  ui: enforce TLS when using websockets server
  ui: fix setup of VNC websockets auth scheme with TLS
  ui: split setup of VNC auth scheme into separate method
  ui: report error if user requests VNC option that is unsupported
  ui: replace printf() calls with VNC_DEBUG
  ui: remove unused 'wiremode' variable in VncState struct
  vnc: Fix QMP change not to use funky error class

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-19 12:12:21 +00:00
Amit Shah
4add73aa60 virtio: serial: expose a 'guest_writable' callback for users
Users of virtio-serial may want to know when a port becomes writable.  A
port can stop accepting writes if the guest port is open but not being
read from.  In this case, data gets queued up in the virtqueue, and
after the vq is full, writes to the port do not succeed.

When the guest reads off a vq element, and adds a new one for the host
to put data in, we can tell users the port is available for more writes,
via the new ->guest_writable() callback.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
2015-03-19 17:35:40 +05:30
Kevin Wolf
965182549c raw-posix: Deprecate aio=threads fallback without O_DIRECT
Currently, if the user requests aio=native, but forgets to choose a
cache mode that sets O_DIRECT, that request is silently ignored and raw
falls back to aio=threads.

Deprecate that behaviour so we can make it an error in future qemu
versions.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2015-03-19 12:30:56 +01:00
Peter Maydell
2259c16dc2 pci, virtio bugfixes for 2.3
Just a bunch of bugfixes. Should be nothing remarkable here.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pci, virtio bugfixes for 2.3

Just a bunch of bugfixes. Should be nothing remarkable here.

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

# gpg: Signature made Wed Mar 18 12:31:03 2015 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.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: 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:
  pcie_aer: fix comment to match pcie spec
  pci: fix several trivial typos in comment
  aer: fix a wrong init PCI_ERR_COR_STATUS w1cmask type register
  pcie_aer: fix typos in pcie_aer_inject_error comment
  aer: fix wrong check on expose aer tlp prefix log
  pcie: correct mistaken register bit for End-End TLP Prefix Blocking
  virtio: Fix memory leaks reported by Coverity
  virtio: validate the existence of handle_output before calling it

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-19 11:12:22 +00:00
Markus Armbruster
92a539d22e raw-posix: Deprecate host floppy passthrough
Raise your hand if you have a physical floppy drive in a computer
you've powered on in 2015.  Okay, I see we got a few weirdos in the
audience.  That's okay, weirdos are welcome here.

Kidding aside, media change detection doesn't fully work, isn't going
to be fixed, and floppy passthrough just isn't earning its keep
anymore.

Deprecate block driver host_floppy now, so we can drop it after a
grace period.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-19 11:43:02 +01:00
Peter Maydell
1f3500976d - kvm: ioeventfd fix for PPC64LE
- virtio-scsi: misc fixes
 - fix for --enable-profiler
 - nbd: fixes from Max
 - build: fix for scripts/make_device_config.sh
 - exec: fix for address_space_translate
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

- kvm: ioeventfd fix for PPC64LE
- virtio-scsi: misc fixes
- fix for --enable-profiler
- nbd: fixes from Max
- build: fix for scripts/make_device_config.sh
- exec: fix for address_space_translate

# gpg: Signature made Wed Mar 18 11:11:08 2015 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.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: 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:
  exec: Respect as_tranlsate_internal length clamp
  virtio-scsi-dataplane: fix memory leak in virtio_scsi_vring_init
  profiler: Reenable built-in profiler
  kvm: fix ioeventfd endianness on bi-endian architectures
  virtio-scsi: Fix assert in virtio_scsi_push_event
  build: pass .d file name to scripts/make_device_config.sh, fix makefile target
  coroutine-io: Return -errno in case of error
  nbd: Drop unexpected data for NBD_OPT_LIST
  nbd: Fix interpretation of the export flags
  nbd: Fix nbd_receive_options()
  nbd: Set block size to BDRV_SECTOR_SIZE
  nbd: Fix potential signed overflow issues
  qemu-nbd: fork() can fail
  nbd: Handle blk_getlength() failure
  nbd: Pass return value from nbd_handle_list()
  nbd: Fix nbd_establish_connection()'s return value
  qemu-nbd: Detect unused partitions by system == 0
  util/uri: Add overflow check to rfc3986_parse_port
  nbd: Fix overflow return value

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-19 10:07:23 +00:00
Shannon Zhao
8ce1ee4618 qga/commands-posix: Fix resource leak
It's detected by coverity. Close the dirfd.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:39:18 +03:00
Stefan Weil
23bf2e7680 elf-loader: Add missing error handling for call of lseek
This fixes a warning from Coverity.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:37:40 +03:00
Stefan Weil
6cbfb86f4c elf-loader: Fix truncation warning from coverity
Coverity reports a truncation due to cast operation on operand
reltab->sh_size from 64 bits to 32 bits for calls of load_at.

Fix the types of the function arguments to match their use in
function load_at: the offset is used for lseek which takes an
off_t parameter, the size is used for g_malloc and read.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:36:52 +03:00
Markus Armbruster
b76d799ea5 hmp: Fix texinfo documentation
Several issues:

* Commands i and o lack @item.  Their one-liner documentation gets
  squashed into the preceding command print.  Add the obvious @item.

* Commands i, o and cpu-add lack @findex.  The function index doesn't
  have them.  Add the obvious @findex.

* Commit 727f005 put block_set_io_throttle was added in the middle of
  block_passwd.  Move it.

* Correct spelling of commands chardev-add and chardev-remove in @item
  and @findex.

* Some commands have a blank line between @item/@findex and the text,
  most don't.  Normalize to no blank line.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:35:52 +03:00
Viswesh
de7ad4ce1f Fix typos in comments
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Viswesh <visweshn92@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:30:37 +03:00
John Snow
7e7d49d68b qtest/ahci: Fix a bit mask expression
A thinko that clang 3.5.0 caught.
Thankfully does not introduce any new failures.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:27:43 +03:00
Paolo Bonzini
636a30a890 vl: fix resource leak with monitor_fdset_add_fd
monitor_fdset_add_fd returns an AddfdInfo struct (used by the QMP
command add_fd).  Free it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:24:44 +03:00
Gabriel L. Somlo
3ebd6cc8d3 smbios: add max speed comdline option for type-17 (meory device) structure
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:18:51 +03:00
Paulo Vital
bdd09778a0 pc-dimm: Add description for device list.
The pc-dimm option presented on device list (by argument "-device \?")
is the unique option that don't have any information about it. This
patch adds a description for the pc-dimm device to help users to
identify it.

Signed-off-by: Paulo Vital <paulo.vital@profitbricks.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:17:36 +03:00
Michael Tokarev
18b8263e4e configure: enable kvm on x32
Here's a trivial change to enable kvm on x32 architecture.
I'm not 100% sure the result works correctly in all cases,
but this is a good start and in theory everything should
work.

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-19 11:17:27 +03:00
zhanghailiang
198675491f error: Replace error_report() & error_free() with error_report_err()
This is a continuation of the work started in commit 565f65d27:
"error: Use error_report_err() where appropriate"

Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:11:55 +03:00
Gonglei
6e05a12f8f arm: fix memory leak
Cc: Michael Tokarev <mjt@tls.msk.ru>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-19 11:11:55 +03:00