Commit Graph

74021 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé 0ee8b24a69 target/arm: Display helpful message when hflags mismatch
Instead of crashing in a confuse way, give some hint to the user
about why we aborted. He might report the issue without having
to use a debugger.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20191209134552.27733-1-philmd@redhat.com
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Simon Veith b255cafb59 hw/arm/smmuv3: Report F_STE_FETCH fault address in correct word position
The smmuv3_record_event() function that generates the F_STE_FETCH error
uses the EVT_SET_ADDR macro to record the fetch address, placing it in
32-bit words 4 and 5.

The correct position for this address is in words 6 and 7, per the
SMMUv3 Architecture Specification.

Update the function to use the EVT_SET_ADDR2 macro instead, which is the
macro intended for writing to these words.

ref. ARM IHI 0070C, section 7.3.4.

Signed-off-by: Simon Veith <sveith@amazon.de>
Acked-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1576509312-13083-7-git-send-email-sveith@amazon.de
Cc: Eric Auger <eric.auger@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Acked-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Simon Veith a7f65ceb85 hw/arm/smmuv3: Use correct bit positions in EVT_SET_ADDR2 macro
The bit offsets in the EVT_SET_ADDR2 macro do not match those specified
in the ARM SMMUv3 Architecture Specification. In all events that use
this macro, e.g. F_WALK_EABT, the faulting fetch address or IPA actually
occupies the 32-bit words 6 and 7 in the event record contiguously, with
the upper and lower unused bits clear due to alignment or maximum
supported address bits. How many bits are clear depends on the
individual event type.

Update the macro to write to the correct words in the event record so
that guest drivers can obtain accurate address information on events.

ref. ARM IHI 0070C, sections 7.3.12 through 7.3.16.

Signed-off-by: Simon Veith <sveith@amazon.de>
Acked-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1576509312-13083-6-git-send-email-sveith@amazon.de
Cc: Eric Auger <eric.auger@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Acked-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Simon Veith 41678c33aa hw/arm/smmuv3: Align stream table base address to table size
Per the specification, and as observed in hardware, the SMMUv3 aligns
the SMMU_STRTAB_BASE address to the size of the table by masking out the
respective least significant bits in the ADDR field.

Apply this masking logic to our smmu_find_ste() lookup function per the
specification.

ref. ARM IHI 0070C, section 6.3.23.

Signed-off-by: Simon Veith <sveith@amazon.de>
Acked-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1576509312-13083-5-git-send-email-sveith@amazon.de
Cc: Eric Auger <eric.auger@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Simon Veith 05ff2fb80c hw/arm/smmuv3: Check stream IDs against actual table LOG2SIZE
When checking whether a stream ID is in range of the stream table, we
have so far been only checking it against our implementation limit
(SMMU_IDR1_SIDSIZE). However, the guest can program the
STRTAB_BASE_CFG.LOG2SIZE field to a size that is smaller than this
limit.

Check the stream ID against this limit as well to match the hardware
behavior of raising C_BAD_STREAMID events in case the limit is exceeded.
Also, ensure that we do not go one entry beyond the end of the table by
checking that its index is strictly smaller than the table size.

ref. ARM IHI 0070C, section 6.3.24.

Signed-off-by: Simon Veith <sveith@amazon.de>
Acked-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1576509312-13083-4-git-send-email-sveith@amazon.de
Cc: Eric Auger <eric.auger@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Simon Veith 3293b9f514 hw/arm/smmuv3: Correct SMMU_BASE_ADDR_MASK value
There are two issues with the current value of SMMU_BASE_ADDR_MASK:

- At the lower end, we are clearing bits [4:0]. Per the SMMUv3 spec,
  we should also be treating bit 5 as zero in the base address.
- At the upper end, we are clearing bits [63:48]. Per the SMMUv3 spec,
  only bits [63:52] must be explicitly treated as zero.

Update the SMMU_BASE_ADDR_MASK value to mask out bits [63:52] and [5:0].

ref. ARM IHI 0070C, section 6.3.23.

Signed-off-by: Simon Veith <sveith@amazon.de>
Acked-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1576509312-13083-3-git-send-email-sveith@amazon.de
Cc: Eric Auger <eric.auger@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Simon Veith 3d44c60500 hw/arm/smmuv3: Apply address mask to linear strtab base address
In the SMMU_STRTAB_BASE register, the stream table base address only
occupies bits [51:6]. Other bits, such as RA (bit [62]), must be masked
out to obtain the base address.

The branch for 2-level stream tables correctly applies this mask by way
of SMMU_BASE_ADDR_MASK, but the one for linear stream tables does not.

Apply the missing mask in that case as well so that the correct stream
base address is used by guests which configure a linear stream table.

Linux guests are unaffected by this change because they choose a 2-level
stream table layout for the QEMU SMMUv3, based on the size of its stream
ID space.

ref. ARM IHI 0070C, section 6.3.23.

Signed-off-by: Simon Veith <sveith@amazon.de>
Acked-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1576509312-13083-2-git-send-email-sveith@amazon.de
Cc: Eric Auger <eric.auger@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Acked-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Andrew Jeffery 058d095532 ast2600: Configure CNTFRQ at 1125MHz
This matches the configuration set by u-boot on the AST2600.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 080ca1267a09381c43cf3c50d434fb6c186f2b6e.1576215453.git-series.andrew@aj.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:03:00 +00:00
Andrew Jeffery 96eec6b2b3 target/arm: Prepare generic timer for per-platform CNTFRQ
The ASPEED AST2600 clocks the generic timer at the rate of HPLL. On
recent firmwares this is at 1125MHz, which is considerably quicker than
the assumed 62.5MHz of the current generic timer implementation. The
delta between the value as read from CNTFRQ and the true rate of the
underlying QEMUTimer leads to sticky behaviour in AST2600 guests.

Add a feature-gated property exposing CNTFRQ for ARM CPUs providing the
generic timer. This allows platforms to configure CNTFRQ (and the
associated QEMUTimer) to the appropriate frequency prior to starting the
guest.

As the platform can now determine the rate of CNTFRQ we're exposed to
limitations of QEMUTimer that didn't previously materialise: In the
course of emulation we need to arbitrarily and accurately convert
between guest ticks and time, but we're constrained by QEMUTimer's use
of an integer scaling factor. The effect is QEMUTimer cannot exactly
capture the period of frequencies that do not cleanly divide
NANOSECONDS_PER_SECOND for scaling ticks to time. As such, provide an
equally inaccurate scaling factor for scaling time to ticks so at least
a self-consistent inverse relationship holds.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: a22db9325f96e39f76e3c2baddcb712149f46bf2.1576215453.git-series.andrew@aj.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:02:59 +00:00
Andrew Jeffery 7def875482 target/arm: Abstract the generic timer frequency
Prepare for SoCs such as the ASPEED AST2600 whose firmware configures
CNTFRQ to values significantly larger than the static 62.5MHz value
currently derived from GTIMER_SCALE. As the OS potentially derives its
timer periods from the CNTFRQ value the lack of support for running
QEMUTimers at the appropriate rate leads to sticky behaviour in the
guest.

Substitute the GTIMER_SCALE constant with use of a helper to derive the
period from gt_cntfrq_hz stored in struct ARMCPU. Initially set
gt_cntfrq_hz to the frequency associated with GTIMER_SCALE so current
behaviour is maintained.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 40bd8df043f66e1ccfb3e9482999d099ac72bb2e.1576215453.git-series.andrew@aj.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:02:59 +00:00
Andrew Jeffery 4a0245b625 target/arm: Remove redundant scaling of nexttick
The corner-case codepath was adjusting nexttick such that overflow
wouldn't occur when timer_mod() scaled the value back up. Remove a use
of GTIMER_SCALE and avoid unnecessary operations by calling
timer_mod_ns() directly.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: f8c680720e3abe55476e6d9cb604ad27fdbeb2e0.1576215453.git-series.andrew@aj.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:02:59 +00:00
Peter Maydell f59b31e6d0 Various testing and logging updates
- test tci with Travis
   - enable multiarch testing in Travis
   - default to out-of-tree builds
   - make changing logfile safe via RCU
   - remove redundant tests
   - remove gtester test from docker
   - convert DEBUG_MMAP to tracepoints
   - remove hand rolled glob function
   - trigger tcg re-configure when needed
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-tesing-and-misc-191219-1' into staging

Various testing and logging updates

  - test tci with Travis
  - enable multiarch testing in Travis
  - default to out-of-tree builds
  - make changing logfile safe via RCU
  - remove redundant tests
  - remove gtester test from docker
  - convert DEBUG_MMAP to tracepoints
  - remove hand rolled glob function
  - trigger tcg re-configure when needed

# gpg: Signature made Thu 19 Dec 2019 08:24:08 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-tesing-and-misc-191219-1: (25 commits)
  tests/tcg: ensure we re-configure if configure.sh is updated
  trace: replace hand-crafted pattern_glob with g_pattern_match_simple
  linux-user: convert target_munmap debug to a tracepoint
  linux-user: log page table changes under -d page
  linux-user: add target_mmap_complete tracepoint
  linux-user: convert target_mmap debug to tracepoint
  linux-user: convert target_mprotect debug to tracepoint
  travis.yml: Remove the redundant clang-with-MAIN_SOFTMMU_TARGETS entry
  docker: gtester is no longer used
  Added tests for close and change of logfile.
  Add use of RCU for qemu_logfile.
  qemu_log_lock/unlock now preserves the qemu_logfile handle.
  Add a mutex to guarantee single writer to qemu_logfile handle.
  Cleaned up flow of code in qemu_set_log(), to simplify and clarify.
  Fix double free issue in qemu_set_log_filename().
  ci: build out-of-tree
  travis.yml: Enable builds on arm64, ppc64le and s390x
  tests/test-util-filemonitor: Skip test on non-x86 Travis containers
  tests/hd-geo-test: Skip test when images can not be created
  iotests: Skip test 079 if it is not possible to create large files
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 14:00:49 +00:00
Peter Maydell 8e5943260a Trivial fixes (20191218)
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging

Trivial fixes (20191218)

# gpg: Signature made Wed 18 Dec 2019 13:00:34 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
  qemu-doc: Remove the unused "Guest Agent" node
  Revert "qemu-options.hx: Update for reboot-timeout parameter"
  target/sparc: Remove old TODO file
  test-keyval: Tighten test of trailing crap after size
  util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON()
  monitor: Remove unused define
  MAINTAINERS: Add hw/sd/ssi-sd.c in the SD section

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 12:46:10 +00:00
Peter Maydell 4800819827 * More uses of RCU_READ_LOCK_GUARD (Dave, myself)
* QOM doc improvments (Greg)
 * Cleanups from the Meson conversion (Marc-André)
 * Support for multiple -accel options (myself)
 * Many x86 machine cleanup (Philippe, myself)
 * tests/migration-test cleanup (Juan)
 * PC machine removal and next round of deprecation (Thomas)
 * kernel-doc integration (Peter, myself)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =hyYX
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* More uses of RCU_READ_LOCK_GUARD (Dave, myself)
* QOM doc improvments (Greg)
* Cleanups from the Meson conversion (Marc-André)
* Support for multiple -accel options (myself)
* Many x86 machine cleanup (Philippe, myself)
* tests/migration-test cleanup (Juan)
* PC machine removal and next round of deprecation (Thomas)
* kernel-doc integration (Peter, myself)

# gpg: Signature made Wed 18 Dec 2019 01:35:02 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# 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: (87 commits)
  vga: cleanup mapping of VRAM for non-PCI VGA
  hw/display: Remove "rombar" hack from vga-pci and vmware_vga
  hw/pci: Remove the "command_serr_enable" property
  hw/audio: Remove the "use_broken_id" hack from the AC97 device
  hw/i386: Remove the deprecated machines 0.12 up to 0.15
  hw/pci-host: Add Kconfig entry to select the IGD Passthrough Host Bridge
  hw/pci-host/i440fx: Extract the IGD passthrough host bridge device
  hw/pci-host/i440fx: Use definitions instead of magic values
  hw/pci-host/i440fx: Use size_t to iterate over ARRAY_SIZE()
  hw/pci-host/i440fx: Extract PCII440FXState to "hw/pci-host/i440fx.h"
  hw/pci-host/i440fx: Correct the header description
  Fix some comment spelling errors.
  target/i386: remove unused pci-assign codes
  WHPX: refactor load library
  migration: check length directly to make sure the range is aligned
  memory: include MemoryListener documentation and some missing function parameters
  docs: add memory API reference
  memory.h: Silence kernel-doc complaints
  docs: Create bitops.rst as example of kernel-docs
  bitops.h: Silence kernel-doc complaints
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-20 11:20:25 +00:00
Gerd Hoffmann db211f245b seabios: update to 1.13.0 final
Update to the final 1.13 release.  No code changes.

git shortlog
============

Kevin O'Connor (1):
      docs: Note v1.13.0 release

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-12-20 07:06:39 +01:00
Cameron Esfahani 0d82411d0e display/bochs-display: fix memory leak
Fix memory leak in bochs_display_update().  Leaks 304 bytes per frame.

Fixes: 33ebad5405
Signed-off-by: Cameron Esfahani <dirty@apple.com>
Message-Id: <d6c26e68db134c7b0c7ce8b61596ca2e65e01e12.1576013209.git.dirty@apple.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-12-20 07:05:46 +01:00
Cole Robinson ca26b032e5 vhost-user-gpu: Drop trailing json comma
Trailing comma is not valid json:

$ cat contrib/vhost-user-gpu/50-qemu-gpu.json.in | jq
parse error: Expected another key-value pair at line 5, column 1

Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 7f5dd2ac9f3504e2699f23e69bc3d8051b729832.1568925097.git.crobinso@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-12-20 06:56:37 +01:00
Igor Mammedov fcd3f2cc12 numa: properly check if numa is supported
Commit aa57020774, by mistake used MachineClass::numa_mem_supported
to check if NUMA is supported by machine and also as unrelated change
set it to true for sbsa-ref board.

Luckily change didn't break machines that support NUMA, as the field
is set to true for them.

But the field is not intended for checking if NUMA is supported and
will be flipped to false within this release for new machine types.

Fix it:
 - by using previously used condition
      !mc->cpu_index_to_instance_props || !mc->get_default_cpu_node_id
   the first time and then use MachineState::numa_state down the road
   to check if NUMA is supported
 - dropping stray sbsa-ref chunk

Fixes: aa57020774
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1576154936-178362-3-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-12-19 14:57:14 -03:00
Igor Mammedov 5275db59aa numa: remove not needed check
Currently parse_numa_node() is always called from already numa
enabled context.
Drop unnecessary check if numa is supported.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1576154936-178362-2-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-12-19 14:54:11 -03:00
Eduardo Habkost ad18392892 i386: Resolve CPU models to v1 by default
When using `query-cpu-definitions` using `-machine none`,
QEMU is resolving all CPU models to their latest versions.  The
actual CPU model version being used by another machine type (e.g.
`pc-q35-4.0`) might be different.

In theory, this was OK because the correct CPU model
version is returned when using the correct `-machine` argument.

Except that in practice, this breaks libvirt expectations:
libvirt always use `-machine none` when checking if a CPU model
is runnable, because runnability is not expected to be affected
when the machine type is changed.

For example, when running on a Haswell host without TSX,
Haswell-v4 is runnable, but Haswell-v1 is not.  On those hosts,
`query-cpu-definitions` says Haswell is runnable if using
`-machine none`, but Haswell is actually not runnable using any
of the `pc-*` machine types (because they resolve Haswell to
Haswell-v1).  In other words, we're breaking the "runnability
guarantee" we promised to not break for a few releases (see
qemu-deprecated.texi).

To address this issue, change the default CPU model version to v1
on all machine types, so we make `query-cpu-definitions` output
when using `-machine none` match the results when using `pc-*`.
This will change in the future (the plan is to always return the
latest CPU model version if using `-machine none`), but only
after giving libvirt the opportunity to adapt.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1779078
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20191205223339.764534-1-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-12-19 14:38:51 -03:00
Kevin Wolf f62f08ab7a iotests: Test external snapshot with VM state
This tests creating an external snapshot with VM state (which results in
an active overlay over an inactive backing file, which is also the root
node of an inactive BlockBackend), re-activating the images and
performing some operations to test that the re-activation worked as
intended.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 18:04:25 +01:00
Kevin Wolf 89b6fc4561 hmp: Allow using qdev ID for qemu-io command
In order to issue requests on an existing BlockBackend with the
'qemu-io' HMP command, allow specifying the BlockBackend not only with a
BlockBackend name, but also with a qdev ID/QOM path for a device that
owns the (possibly anonymous) BlockBackend.

Because qdev names could be conflicting with BlockBackend and node
names, introduce a -d option to explicitly address a device. If the
option is not given, a BlockBackend or a node is addressed.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 18:04:25 +01:00
Kevin Wolf 7bb4941ace block: Activate recursively even for already active nodes
bdrv_invalidate_cache_all() assumes that all nodes in a given subtree
are either active or inactive when it starts. Therefore, as soon as it
arrives at an already active node, it stops.

However, this assumption is wrong. For example, it's possible to take a
snapshot of an inactive node, which results in an active overlay over an
inactive backing file. The active overlay is probably also the root node
of an inactive BlockBackend (blk->disable_perm == true).

In this case, bdrv_invalidate_cache_all() does not need to do anything
to activate the overlay node, but it still needs to recurse into the
children and the parents to make sure that after returning success,
really everything is activated.

Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2019-12-19 18:04:25 +01:00
Li Hangjing 725fe5d10d virtio-blk: fix out-of-bounds access to bitmap in notify_guest_bh
When the number of a virtio-blk device's virtqueues is larger than
BITS_PER_LONG, the out-of-bounds access to bitmap[ ] will occur.

Fixes: e21737ab15 ("virtio-blk: multiqueue batch notify")
Cc: qemu-stable@nongnu.org
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Li Hangjing <lihangjing@baidu.com>
Reviewed-by: Xie Yongji <xieyongji@baidu.com>
Reviewed-by: Chai Wen <chaiwen@baidu.com>
Message-id: 20191216023050.48620-1-lihangjing@baidu.com
Message-Id: <20191216023050.48620-1-lihangjing@baidu.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-12-19 16:20:25 +00:00
Stefan Hajnoczi f21673c35e docs: fix rst syntax errors in unbuilt docs
The .rst files outside docs/{devel,interop,specs} aren't built yet and
therefore a few syntax errors have slipped through.  Fix them.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20191111094411.427174-1-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-12-19 16:20:21 +00:00
Stefan Hajnoczi 5847c750f3 virtio-blk: deprecate SCSI passthrough
The Linux virtio_blk.ko guest driver is removing legacy SCSI passthrough
support.  Deprecate this feature in QEMU too.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20191213144626.1208237-1-stefanha@redhat.com
Message-Id: <20191213144626.1208237-1-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-12-19 16:20:21 +00:00
Kevin Wolf 7fe6bb7a34 iotests: 211: Remove duplication with VM.blockdev_create()
The blockdev_create() function in this test case adds an error check
that skips the test in case of failure because of memory shortage, but
provides otherwise the same functionality as VM.blockdev_create() from
iotests.py. Make it a thin wrapper around the iotests.py function.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf 6055cdf3d9 iotests: 207: Remove duplication with VM.blockdev_create()
The blockdev_create() function in this test case adds another filter to
the logging, but provides otherwise the same functionality as
VM.blockdev_create() from iotests.py. Make it a thin wrapper around the
iotests.py function.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf de1ff674a0 iotests: 266: Convert to VM.blockdev_create()
Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf 59f61afa7e iotests: 237: Convert to VM.blockdev_create()
Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf 5568933840 iotests: 213: Convert to VM.blockdev_create()
Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf 08b171380c iotests: 212: Convert to VM.blockdev_create()
Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf e55c24138b iotests: 210: Convert to VM.blockdev_create()
Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf f6da17366a iotests: 206: Convert to VM.blockdev_create()
Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf a0de1e5330 iotests: 255: Drop blockdev_create()
blockdev_create() is completely unused in this test case, so we can just
drop it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Kevin Wolf e9dbd1cae8 iotests: Create VM.blockdev_create()
We have several almost identical copies of a blockdev_create() function
in different test cases. Time to create one unified function in
iotests.py.

To keep the diff managable, this patch only creates the function and
follow-up patches will convert the individual test cases.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:32:43 +01:00
Tuguoyi 66be5c3e78 qcow2: Move error check of local_err near its assignment
The local_err check outside of the if block was necessary
when it was introduced in commit d1258dd0c8 because it needed to be
executed even if qcow2_load_autoloading_dirty_bitmaps() returned false.

After some modifications that all required the error check to remain
where it is, commit 9c98f145df finally moved the
qcow2_load_dirty_bitmaps() call into the if block, so now the error
check should be there, too.

Signed-off-by: Guoyi Tu <tu.guoyi@h3c.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 14:31:52 +01:00
Max Reitz eb4ea9aaa0 iotests: Fix IMGOPTSSYNTAX for nbd
There is no $SOCKDIR, only $SOCK_DIR.

Fixes: f3923a72f1
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 13:23:58 +01:00
Max Reitz d6f2c0b5a2 iotests/273: Filter format-specific information
Doing this allows running this test with e.g. -o compat=0.10 or
-o compat=refcount_bits=1.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 13:20:10 +01:00
Thomas Huth c85c6d9ec1 iotests: Add more "_require_drivers" checks to the shell-based tests
Test 051 should be skipped if nbd is not available, and 267 should
be skipped if copy-on-read is not enabled.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 12:55:31 +01:00
Peter Maydell 31b2bd89b9 Error reporting patches for 2019-12-17
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Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2019-12-17-v2' into staging

Error reporting patches for 2019-12-17

# gpg: Signature made Wed 18 Dec 2019 07:45:24 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2019-12-17-v2: (35 commits)
  nbd: assert that Error** is not NULL in nbd_iter_channel_error
  hw/vfio/ap: drop local_err from vfio_ap_realize
  backends/cryptodev: drop local_err from cryptodev_backend_complete()
  include/qom/object.h: rename Error ** parameter to more common errp
  hw/usb: rename Error ** parameter to more common errp
  hw/tpm: rename Error ** parameter to more common errp
  hw/sd: drop extra whitespace in sdhci_sysbus_realize() header
  hw/s390x: rename Error ** parameter to more common errp
  monitor/qmp-cmds: rename Error ** parameter to more common errp
  qga: rename Error ** parameter to more common errp
  hw/i386/amd_iommu: rename Error ** parameter to more common errp
  block/snapshot: rename Error ** parameter to more common errp
  hw/core/qdev: cleanup Error ** variables
  9pfs: make Error **errp const where it is appropriate
  ppc: make Error **errp const where it is appropriate
  Revert "ppc: well form kvmppc_hint_smt_possible error hint helper"
  qdev-monitor: make Error **errp const where it is appropriate
  vnc: drop Error pointer indirection in vnc_client_io_error
  hmp: drop Error pointer indirection in hmp_handle_error
  error: make Error **errp const where it is appropriate
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-19 11:39:21 +00:00
Vladimir Sementsov-Ogievskiy 00637c6b0b MAINTAINERS: fix qcow2-bitmap.c under Dirty Bitmaps header
Somehow I wrote not full path to the file. Fix that.

Also, while being here, rearrange entries, so that includes go first,
then block, than migration, than util.

Fixes: 052db8e714
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-12-19 12:27:05 +01:00
Alex Bennée 380976f40f tests/tcg: ensure we re-configure if configure.sh is updated
We were only doing this if docker was enabled which isn't quite right.

Fixes: fc76c56d3f
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191211170520.7747-17-alex.bennee@linaro.org>
2019-12-19 08:20:16 +00:00
Alex Bennée e66eae7a8b trace: replace hand-crafted pattern_glob with g_pattern_match_simple
We already use g_pattern_match elsewhere so remove the duplication.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20191205122518.10010-7-alex.bennee@linaro.org>
2019-12-19 08:20:16 +00:00
Alex Bennée b7b18d2680 linux-user: convert target_munmap debug to a tracepoint
Convert the final bit of DEBUG_MMAP to a tracepoint and remove the
last remanents of the #ifdef hackery.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-6-alex.bennee@linaro.org>
2019-12-19 08:20:16 +00:00
Alex Bennée 10d0d505de linux-user: log page table changes under -d page
The CPU_LOG_PAGE flag is woefully underused and could stand to do
extra duty tracking page changes. If the user doesn't want to see the
details as things change they still have the tracepoints available.

We push the locking into log_page_dump and pass a reason for the
banner text.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-5-alex.bennee@linaro.org>
2019-12-19 08:20:16 +00:00
Alex Bennée d0e165ae2b linux-user: add target_mmap_complete tracepoint
For full details we also want to see where the mmaps end up.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-4-alex.bennee@linaro.org>
2019-12-19 08:20:16 +00:00
Alex Bennée 5a67bb96b0 linux-user: convert target_mmap debug to tracepoint
It is a pain to re-compile when you need to debug and tracepoints are
a fairly low impact way to instrument QEMU.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-3-alex.bennee@linaro.org>
2019-12-19 08:20:16 +00:00
Alex Bennée 11d9605623 linux-user: convert target_mprotect debug to tracepoint
It is a pain to re-compile when you need to debug and tracepoints are
a fairly low impact way to instrument QEMU.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-2-alex.bennee@linaro.org>
2019-12-19 08:20:16 +00:00
Thomas Huth 88893f7c94 travis.yml: Remove the redundant clang-with-MAIN_SOFTMMU_TARGETS entry
We test clang with the MAIN_SOFTMMU_TARGETS twice, once without
sanitizers and once with sanitizers enabled. That's somewhat redundant
since if compilation and tests succeeded with sanitizers enabled, it
should also work fine without sanitizers. Thus remove the clang entry
without sanitizers to speed up the CI testing a little bit.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20191119092147.4260-1-thuth@redhat.com>
2019-12-19 08:20:11 +00:00