Commit Graph

71612 Commits (61cc872456492da24e36cfbd668abfbe127c739f)

Author SHA1 Message Date
Alexey Kardashevskiy 00eaad2e29 pseries: Update SLOF firmware image
This allocates space for FWNMI log in RTAS and fixes phandles at
the ibm,client-architecture-support stage.

The full list is:
 * libnet: Fix the check of the argument lengths of the "ping" command
 * fdt: Update phandles after H_CAS
 * rtas: Reserve space for FWNMI log

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Stefan Brankovic 897b639789 target/ppc: Refactor emulation of vmrgew and vmrgow instructions
Since I found this two instructions implemented with tcg, I refactored
them so they are consistent with other similar implementations that
I introduced in this patch.

Also, a new dual macro GEN_VXFORM_TRANS_DUAL is added. This macro is
used if one instruction is realized with direct translation, and second
one with a helper.

Signed-off-by: Stefan Brankovic <stefan.brankovic@rt-rk.com>
Message-Id: <1566898663-25858-4-git-send-email-stefan.brankovic@rt-rk.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Richard Henderson 16ce2fffa6 target/ppc: Fix do_float_check_status vs inexact
The underflow and inexact exceptions are not mutually exclusive.
Check for both of them.  Tidy the reset of FPSCR[FI].

Fixes: https://bugs.launchpad.net/bugs/1841442
Reported-by: Paul Clarke <pc@us.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Paul Clarke <pc@us.ibm.com>
Message-Id: <20190826165434.18403-2-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Richard Henderson cbc65a8f22 target/ppc: Set float_tininess_before_rounding at cpu reset
As defined in Power 3.0 section 4.4.4 "Underflow Exception",
a tiny result is detected before rounding.

Fixes: https://bugs.launchpad.net/qemu/+bug/1841491
Reported-by: Paul Clarke <pc@us.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190827020013.27154-1-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Laurent Vivier ce03a193e1 pseries: Fix compat_pvr on reset
If we a migrate P8 machine to a P9 machine, the migration fails on
destination with:

  error while loading state for instance 0x1 of device 'cpu'
  load of migration failed: Operation not permitted

This is caused because the compat_pvr field is only present for the first
CPU.
Originally, spapr_machine_reset() calls ppc_set_compat() to set the value
max_compat_pvr for the first cpu and this was propagated to all CPUs by
spapr_cpu_reset().  Now, as spapr_cpu_reset() is called before that, the
value is not propagated to all CPUs and the migration fails.

To fix that, propagate the new value to all CPUs in spapr_machine_reset().

Fixes: 25c9780d38 ("spapr: Reset CAS & IRQ subsystem after devices")
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20190826090812.19080-1-lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Daniel Henrique Barboza 02a1536eee spapr_pci: remove all child functions in function zero unplug
There is nothing wrong with how sPAPR handles multifunction PCI
hot unplugs. The problem is that x86 does it simpler. Instead of
removing each non-zero function and then removing function zero,
x86 can remove any function of the slot to trigger the hot unplug.

Libvirt will be directly impacted by this difference, in the
(hopefully soon) PCI Multifunction hot plug/unplug support. For
hot plugs, both x86 and sPAPR will operate the same way: a XML
with all desired functions to be added, then consecutive hotplugs
of all non-zero functions first, zero last. For hot unplugs, at
least in the current state, a XML with the devices to be removed
must also be provided because of how sPAPR operates - x86 does
not need it - since any function unplug will unplug the whole
PCIe slot. This difference puts extra strain in the management
layer, which needs to either handle both archs differently in
the unplug scenario or choose treat x86 like sPAPR, forcing x86
users to cope with sPAPR internals.

This patch changes spapr_pci_unplug_request to handle the
unplug of function zero differently. When removing function zero,
instead of error-ing out if there are any remaining function
DRCs which needs detaching, detach those. This has no effect in
any existing scripts that are detaching the non-zero functions
before function zero, and can be used by management as a shortcut
to remove the whole PCI multifunction device without specifying
each child function.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20190822195918.3307-1-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Paul A. Clarke fa7d9cb960 ppc: Fix xscvdpspn for SNAN
The xscvdpspn instruction implements a non-arithmetic conversion.
In particular, NaNs are not silenced and rounding is not performed.

Rewrite to match the pseudocode for ConvertDPtoSP_NS() in the
Power 3.0B manual.

Signed-off-by: Paul A. Clarke <pc@us.ibm.com>
Message-Id: <1566321964-1447-1-git-send-email-pc@us.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[dwg: Replaced description with clearer version from rth]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Paul A. Clarke 256be7d07a ppc: Fix xsmaddmdp and friends
A class of instructions of the form:
  op Target,A,B
which operate like:
  Target = Target * A + B
have a bit set which distinguishes them from instructions that operate as:
  Target = Target * B + A

This bit is not being checked properly (using PPC_BIT macro), so all
instructions in this class are operating incorrectly as the second form
above.  The bit was being checked as if it were part of a 64-bit
instruction opcode, rather than a proper 32-bit opcode.  Fix by using the
macro (PPC_BIT32) which treats the opcode as a 32-bit quantity.

Fixes: c9f4e4d8b6 ("target/ppc: improve VSX_FMADD with new GEN_VSX_HELPER_VSX_MADD macro")

Signed-off-by: Paul A. Clarke <pc@us.ibm.com>
Message-Id: <1566401321-22419-1-git-send-email-pc@us.ibm.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Cédric Le Goater 5185a5b6c7 tests/boot-serial-test: add support for all the PowerNV machines
Use the machine names specifiying the CPU type, POWER8 and POWER9.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190731141233.1340-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:46:07 +10:00
Cédric Le Goater f30c843ced ppc/pnv: Introduce PowerNV machines with fixed CPU models
Make the current "powernv" machine an abstract type and derive from it
new machines with specific CPU models: power8 and power9.

The "powernv" machine is now an alias on the "powernv9" machine.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190731141233.1340-2-clg@kaod.org>
[dwg: Adjust pnv-xscom-test to cope with this change]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:45:53 +10:00
Cédric Le Goater f47a08d1a7 ppc/pnv: Generate phandle for the "interrupt-parent" property
Devices such as the BT or serial devices require a valid
"interrupt-parent" phandle in the device tree and it is currently
empty (0x0). It was not a problem until now but since OpenFirmare
started using a recent libdft (>= 1.4.7), petitboot fails to boot the
system image with error :

   dtc_resize: fdt_open_into returned FDT_ERR_BADMAGIC

Provide a phandle for the LPC bus.

Suggested-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190723090138.30623-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:45:18 +10:00
Cédric Le Goater 45a73a1960 ppc/pnv: add more dummy XSCOM addresses for the P9 CAPP
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190718115420.19919-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:45:18 +10:00
Joel Stanley 892609056d ppc/pnv: update skiboot to v6.4
Currently we fail to boot a qemu powernv machine with a Power9
processor:

 PLAT: Detected generic platform
 PLAT: Detected BMC platform generic
 CPU: All 1 processors called in...
 CHIPTOD: Unknown TOD type !
 CHIPTOD: Failed ChipTOD detection !
 Aborting!

With v6.4 we can boot both a Power8 and Power9 powernv machine.

Built from submodule with powerpc64le-linux-gnu-gcc (Debian 8.3.0-2).

Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-Id: <20190718054218.9581-1-joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:45:18 +10:00
Joel Stanley f1d18b0a7e ppc/pnv: Set default ram size to 1.75GB
This makes the powernv machine easier for end users as the default
initrd address (1.5GB) is now within RAM.

This uses less than 2GB of RAM to ensure 32 bit Qemu still works.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-Id: <20190821030945.473-1-joel@jms.id.au>
[dwg: Fix comment style for checkpatch]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-08-29 09:44:58 +10:00
Kővágó, Zoltán 4b3b7793e1 audio: omitting audiodev= parameter is only deprecated
Unfortunately, changes introduced in af2041ed2d "audio: audiodev=
parameters no longer optional when -audiodev present" breaks backward
compatibility.  This patch changes the error into a deprecation warning.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: 02d4328c33455742d01e0b62395013e95293c3ba.1566847960.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-28 11:57:45 +02:00
Kővágó, Zoltán 725662d6db audio: fix invalid malloc size in audio_create_pdos
The code used sizeof(AudiodevAlsaPerDirectionOptions) instead of the
appropriate per direction options for the audio backend.  If the size of
the actual audiodev's per direction options are larger than alsa's, it
could cause a buffer overflow.

However, alsa has three fields in per direction options: a string, an
uint32 and a bool.  Oss has the same fields, coreaudio has a single
uint32, paaudio has a string and an uint32, all other backends only use
the common options, so currently no per direction options struct should
be larger than alsa's.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-Id: <7808bc816ba7da8b8de8a214713444d85f7af3c6.1566847960.git.DirtY.iCE.hu@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-08-28 11:56:56 +02:00
Sandra Loosemore c6ee95216b gdbstub: Fix handler for 'F' packet
Handling of the 'F' packet has been broken since commit
4b20fab101, which converted it to use
the new packet parsing infrastructure.  Per the GDB RSP specification

https://sourceware.org/gdb/current/onlinedocs/gdb/The-F-Reply-Packet.html

the second parameter may be omitted, but the rewritten implementation
was failing to recognize this case.  The result was that QEMU was
repeatedly resending the fileio request and ignoring GDB's replies of
successful completion.  This patch restores the behavior of the
previous code in allowing the errno parameter to be omitted and
passing 0 to the callback in that case.

Signed-off-by: Sandra Loosemore <sandra@codesourcery.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190827223317.8614-1-sandra@codesourcery.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-08-28 10:11:15 +01:00
Ramiro Polla 2bdec39848 gdbstub: Fix handling of '!' packet with new infra
Since the '!' packet is not handled by the new infrastructure,
gdb_handle_packet() would call run_cmd_parser() with a NULL cmd_parser
value, which would lead to an unsupported packet ("$#00") being sent,
which could confuse the gdb client.

This also has a side-effect of speeding up the initial connection with
gdb.

Fixes: 3e2c12615b ("gdbstub: Implement deatch (D pkt) with new infra")
Signed-off-by: Ramiro Polla <ramiro.polla@gmail.com>
Message-Id: <20190805190901.14072-1-ramiro.polla@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-08-28 10:11:06 +01:00
Cleber Rosa 406ab2f331 configure: more resilient Python version capture
The current approach to capture the Python version is fragile, as it
was demonstrated by a very specific build of Python 3 on Fedora 29
that, under non-interactive shells would print multiline version
information.

The (badly) stripped version output would be sent to config-host.mak,
producing bad syntax and rendering the makefiles unusable.  Now, the
Python versions is printed by configure, but only a simple (and better
controlled variable) indicating whether the build system is using
Python 2 is kept on config-host.mak.

Signed-off-by: Cleber Rosa <crosa@redhat.com>

Message-Id: <20190826155832.17427-1-crosa@redhat.com>
Reviewed-by: Tony Nguyen <tony.nguyen@bt.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-08-27 16:57:24 -03:00
Philippe Mathieu-Daudé 73a5a775d2 BootLinuxSshTest: Only use 'test' for unittest.TestCase method names
In commit f6e501a28e, Eduardo started to use "check_" as a
prefix for methods of similar purpose. Follow this prior art,
since it might become the conventions when writting Avocado
tests.

Suggested-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190607174953.22342-1-philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-08-27 16:57:15 -03:00
Marc-André Lureau d39b626343 tests: fix modules-test with no default machine
Fixes: eb062cfa73 ("tests: add module loading test")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20190827140241.20818-2-marcandre.lureau@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-27 17:15:04 +01:00
Marc-André Lureau f54d432e9a build-sys: build ui-spice-app as a module
This reverts commit 45db1ac157 ("modules-test: ui-spice-app is not
built as module") and fixes commit d8aec9d9f1 ("display: add -display
spice-app launching a Spice client").

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20190827140241.20818-1-marcandre.lureau@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-27 17:15:04 +01:00
Peter Maydell 23919ddfd5 Xen queue
* Fixes for xen-bus and exit cleanup.
 * Build fix.
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Merge remote-tracking branch 'remotes/aperard/tags/pull-xen-20190827' into staging

Xen queue

* Fixes for xen-bus and exit cleanup.
* Build fix.

# gpg: Signature made Tue 27 Aug 2019 14:31:10 BST
# gpg:                using RSA key F80C006308E22CFD8A92E7980CF5572FD7FB55AF
# gpg:                issuer "anthony.perard@citrix.com"
# gpg: Good signature from "Anthony PERARD <anthony.perard@gmail.com>" [marginal]
# gpg:                 aka "Anthony PERARD <anthony.perard@citrix.com>" [marginal]
# 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: 5379 2F71 024C 600F 778A  7161 D8D5 7199 DF83 42C8
#      Subkey fingerprint: F80C 0063 08E2 2CFD 8A92  E798 0CF5 572F D7FB 55AF

* remotes/aperard/tags/pull-xen-20190827:
  xen-bus: Avoid rewriting identical values to xenstore
  xen-bus: Fix backend state transition on device reset
  xen: cleanup IOREQ server on exit
  xen: Fix ring.h header

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-27 15:52:36 +01:00
Philippe Mathieu-Daudé 9f591a5d95 trace: Clarify DTrace/SystemTap help message
Most tracing backends are implemented within QEMU, except the
DTrace/SystemTap backends.

One side effect is when running 'qemu -trace help', an incomplete
list of trace events is displayed when using the DTrace/SystemTap
backends.

This is partly due to trace events registered as modules with
trace_init(), and since the events are not used within QEMU,
the linker optimize and remove the unused modules (which is
OK in this particular case).
Currently only the events compiled in trace-root.o and in the
last trace.o member of libqemuutil.a are linked, resulting in
an incomplete list of events.

To avoid confusion, improve the help message, recommending to
use the proper systemtap script to display the events list.

Before:

  $ lm32-softmmu/qemu-system-lm32 -trace help 2>&1 | wc -l
  70

After:

  $ lm32-softmmu/qemu-system-lm32 -trace help
  Run 'qemu-trace-stap list qemu-system-lm32' to print a list
  of names of trace points with the DTrace/SystemTap backends.

  $ qemu-trace-stap list qemu-system-lm32 | wc -l
  1136

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190823142203.5210-1-philmd@redhat.com
Message-Id: <20190823142203.5210-1-philmd@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 15:12:36 +01:00
Vladimir Sementsov-Ogievskiy 5396234b96 block/qcow2: implement .bdrv_co_pwritev(_compressed)_part
Implement and use new interface to get rid of hd_qiov.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-13-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-13-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy df893d25ce block/qcow2: implement .bdrv_co_preadv_part
Implement and use new interface to get rid of hd_qiov.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-12-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-12-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy 00721a3529 block/qcow2: refactor qcow2_co_preadv to use buffer-based io
Use buffer based io in encrypted case.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-11-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-11-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy 1acc3466a2 block/io: introduce bdrv_co_p{read, write}v_part
Introduce extended variants of bdrv_co_preadv and bdrv_co_pwritev
with qiov_offset parameter.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-10-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-10-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy 28c4da2869 block/io: bdrv_aligned_pwritev: use and support qiov_offset
Use and support new API in bdrv_aligned_pwritev.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-9-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-9-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy 65cd4424b9 block/io: bdrv_aligned_preadv: use and support qiov_offset
Use and support new API in bdrv_co_do_copy_on_readv.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-8-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-8-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy 2275cc90a1 block/io: bdrv_co_do_copy_on_readv: lazy allocation
Allocate bounce_buffer only if it is really needed. Also, sub-optimize
allocation size (why not?).

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-7-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-7-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy 1143ec5ebf block/io: bdrv_co_do_copy_on_readv: use and support qiov_offset
Use and support new API in bdrv_co_do_copy_on_readv. Note that in case
of allocated-in-top we need to shrink read size to MIN(..) by hand, as
pre-patch this was actually done implicitly by qemu_iovec_concat (and
we used local_qiov.size).

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-6-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-6-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy ac850bf099 block: define .*_part io handlers in BlockDriver
Add handlers supporting qiov_offset parameter:
    bdrv_co_preadv_part
    bdrv_co_pwritev_part
    bdrv_co_pwritev_compressed_part
This is used to reduce need of defining local_qiovs and hd_qiovs in all
corners of block layer code. The following patches will increase usage
of this new API part by part.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-5-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-5-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:42 +01:00
Vladimir Sementsov-Ogievskiy 7a3f542fbd block/io: refactor padding
We have similar padding code in bdrv_co_pwritev,
bdrv_co_do_pwrite_zeroes and bdrv_co_preadv. Let's combine and unify
it.

[Squashed in Vladimir's qemu-iotests 077 fix
--Stefan]

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-4-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-4-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:58:12 +01:00
Vladimir Sementsov-Ogievskiy f76889e7b9 util/iov: improve qemu_iovec_is_zero
We'll need to check a part of qiov soon, so implement it now.

Optimization with align down to 4 * sizeof(long) is dropped due to:
1. It is strange: it aligns length of the buffer, but where is a
   guarantee that buffer pointer is aligned itself?
2. buffer_is_zero() is a better place for optimizations and it has
   them.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-3-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-3-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:52:45 +01:00
Vladimir Sementsov-Ogievskiy d953169d48 util/iov: introduce qemu_iovec_init_extended
Introduce new initialization API, to create requests with padding. Will
be used in the following patch. New API uses qemu_iovec_init_buf if
resulting io vector has only one element, to avoid extra allocations.
So, we need to update qemu_iovec_destroy to support destroying such
QIOVs.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190604161514.262241-2-vsementsov@virtuozzo.com
Message-Id: <20190604161514.262241-2-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-27 14:52:45 +01:00
Anthony PERARD 705be57094 xen-bus: Avoid rewriting identical values to xenstore
When QEMU receives a xenstore watch event suggesting that the "state"
of the frontend changed, it records this in its own state but it also
re-write the value back into xenstore even so there were no change.
This triggers an unnecessary xenstore watch event which QEMU will
process again (and maybe the frontend as well). Also QEMU could
potentially write an already old value.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Message-Id: <20190823101534.465-3-anthony.perard@citrix.com>
2019-08-27 14:18:28 +01:00
Anthony PERARD cb32314607 xen-bus: Fix backend state transition on device reset
When a frontend wants to reset its state and the backend one, it
starts with setting "Closing", then waits for the backend (QEMU) to do
the same.

But when QEMU is setting "Closing" to its state, it triggers an event
(xenstore watch) that re-execute xen_device_backend_changed() and set
the backend state to "Closed". QEMU should wait for the frontend to
set "Closed" before doing the same.

Before setting "Closed" to the backend_state, we are also going to
check if there is a frontend. If that the case, when the backend state
is set to "Closing" the frontend should react and sets its state to
"Closing" then "Closed". The backend should wait for that to happen.

Fixes: b6af8926fb
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Message-Id: <20190823101534.465-2-anthony.perard@citrix.com>
2019-08-27 14:18:28 +01:00
Igor Druzhinin ba7fdd64b6 xen: cleanup IOREQ server on exit
Device model is supposed to destroy IOREQ server for itself.

Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Acked-by: Paul Durrant <paul.durrant@citrix.com>
Message-Id: <1564428563-1006-1-git-send-email-igor.druzhinin@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2019-08-27 14:18:28 +01:00
Anthony PERARD d297e533a5 xen: Fix ring.h header
The xen_[rw]?mb() macros defined in ring.h can't be used and the fact
that there are gated behind __XEN_INTERFACE_VERSION__ means that it
needs to be defined somewhere. QEMU doesn't implement interfaces with
the Xen hypervisor so defining __XEN_INTERFACE_VERSION__ is pointless.
This leads to:
    include/hw/xen/io/ring.h:47:5: error: "__XEN_INTERFACE_VERSION__"
        is not defined, evaluates to 0 [-Werror=undef]

Cleanup ring.h. The xen_*mb() macros are already defined in xenctrl.h
which is included in xen_common.h.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190704153605.4140-1-anthony.perard@citrix.com>
[aperard: Adding the comment proposed upstream]
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
2019-08-27 14:18:28 +01:00
Peter Maydell dac03af5d5 Fix for alpha_cpu_tlb_fill
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 =7saY
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/rth/tags/pull-axp-20190825' into staging

Fix for alpha_cpu_tlb_fill

# gpg: Signature made Sun 25 Aug 2019 20:35:22 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-axp-20190825:
  target/alpha: fix tlb_fill trap_arg2 value for instruction fetch

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-27 10:00:51 +01:00
Aurelien Jarno cb1de55a83 target/alpha: fix tlb_fill trap_arg2 value for instruction fetch
Commit e41c945297 ("target/alpha: Convert to CPUClass::tlb_fill")
slightly changed the way the trap_arg2 value is computed in case of TLB
fill. The type of the variable used in the ternary operator has been
changed from an int to an enum. This causes the -1 value to not be
sign-extended to 64-bit in case of an instruction fetch. The trap_arg2
ends up with 0xffffffff instead of 0xffffffffffffffff. Fix that by
changing the -1 into -1LL.

This fixes the execution of user space processes in qemu-system-alpha.

Fixes: e41c945297
Cc: qemu-stable@nongnu.org
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
[rth: Test MMU_DATA_LOAD and MMU_DATA_STORE instead of implying them.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-08-25 12:30:48 -07:00
Peter Maydell 5428e12d52 Pull request
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

# gpg: Signature made Thu 22 Aug 2019 16:52:45 BST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  vhost-user-scsi: prevent using uninitialized vqs
  util/async: hold AioContext ref to prevent use-after-free

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-23 16:11:35 +01:00
Peter Maydell 586f3dced9 s390x updates:
- fix a bug in tcg vector handling
 - improved skey handling
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 =8914
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20190822' into staging

s390x updates:
- fix a bug in tcg vector handling
- improved skey handling

# gpg: Signature made Thu 22 Aug 2019 14:43:30 BST
# gpg:                using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg:                issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown]
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>" [unknown]
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>" [unknown]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20190822:
  s390x/mmu: Factor out storage key handling
  s390x/mmu: Better storage key reference and change bit handling
  s390x/tcg: Flush the TLB of all CPUs on SSKE and RRBE
  s390x/tcg: Rework MMU selection for instruction fetches
  s390x/mmu: ASC selection in s390_cpu_get_phys_page_debug()
  s390x/mmu: Trace the right value if setting/getting the storage key fails
  s390x/tcg: Fix VERIM with 32/64 bit elements

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-23 15:15:44 +01:00
Paolo Bonzini 45db1ac157 modules-test: ui-spice-app is not built as module
$(call land, $(CONFIG_SPICE), $(CONFIG_GIO)) will never return "m" so
ui-spice-app is always linked into QEMU.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Miroslav Rezanina <mrezanin@redhat.com>
Message-id: 1566495734-23297-2-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-23 14:07:00 +01:00
Paolo Bonzini 0712c1b15b modules-test: fix const cast
Add a missing cast; this fixes a build failure with --enable-modules.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Miroslav Rezanina <mrezanin@redhat.com>
Message-id: 1566495734-23297-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-23 13:36:26 +01:00
Peter Maydell 61146e9cb4 tests/docker: add podman support
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Merge remote-tracking branch 'remotes/elmarco/tags/podman-pull-request' into staging

tests/docker: add podman support

# gpg: Signature made Thu 22 Aug 2019 14:46:51 BST
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/podman-pull-request:
  test: skip tests if socket_check_protocol_support() failed
  test-char: skip tcp tests if ipv4 check failed
  tests: specify the address family when checking bind
  tests/docker: add podman support
  docker.py: add podman support
  docker.py: add --run-as-current-user

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-23 10:58:28 +01:00
Peter Maydell 3590b27c7a require newer glib2 to enable autofree'ing of stack variables exiting scope
* Bump minium glib2 version to 2.48
 * Convert much of the crypto code to use automatic memory free functions
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Merge remote-tracking branch 'remotes/berrange/tags/autofree-pull-request' into staging

require newer glib2 to enable autofree'ing of stack variables exiting scope

* Bump minium glib2 version to 2.48
* Convert much of the crypto code to use automatic memory free functions

# gpg: Signature made Thu 22 Aug 2019 11:51:59 BST
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/autofree-pull-request:
  crypto: use auto cleanup for many stack variables
  crypto: define cleanup functions for use with g_autoptr
  glib: bump min required glib library version to 2.48

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-22 17:57:09 +01:00
Peter Maydell d013d220c7 Converted target/tricore to translate_loop
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Merge remote-tracking branch 'remotes/bkoppelmann2/tags/pull-tricore-20190822-1' into staging

Converted target/tricore to translate_loop

# gpg: Signature made Thu 22 Aug 2019 11:17:37 BST
# gpg:                using RSA key 6E636A7E83F2DD0CFA6E6E370AD2C6396B69CA14
# gpg:                issuer "kbastian@mail.uni-paderborn.de"
# gpg: Good signature from "Bastian Koppelmann <kbastian@mail.uni-paderborn.de>" [full]
# Primary key fingerprint: 6E63 6A7E 83F2 DD0C FA6E  6E37 0AD2 C639 6B69 CA14

* remotes/bkoppelmann2/tags/pull-tricore-20190822-1:
  target/tricore: Fix tricore_tr_translate_insn
  target/tricore: Implement a qemu excptions helper
  target/tricore: Use translate_loop
  target-tricore: Make env a member of DisasContext
  target/tricore: Use DisasContextBase API

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-08-22 17:01:30 +01:00
Raphael Norwitz 5d4c1ed3d4 vhost-user-scsi: prevent using uninitialized vqs
Of the 3 virtqueues, seabios only sets cmd, leaving ctrl
and event without a physical address. This can cause
vhost_verify_ring_part_mapping to return ENOMEM, causing
the following logs:

qemu-system-x86_64: Unable to map available ring for ring 0
qemu-system-x86_64: Verify ring failure on region 0

The qemu commit e6cc11d64f
has already resolved the issue for vhost scsi devices but
the fix was never applied to vhost-user scsi devices.

Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1560299717-177734-1-git-send-email-raphael.norwitz@nutanix.com
Message-Id: <1560299717-177734-1-git-send-email-raphael.norwitz@nutanix.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-08-22 16:52:23 +01:00