Commit graph

70102 commits

Author SHA1 Message Date
Alex Bennée acc5c5061d tests/docker: Update the Fedora cross compile images to 30
While at it remove the bogus :latest tag for cris cross compiler. It
tends to break caching and cause confusion.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-06-12 17:53:22 +01:00
Philippe Mathieu-Daudé c87e38399c tests/docker: Update the Fedora image to Fedora 30
Fedora 30 got released:

  https://fedoramagazine.org/announcing-fedora-30/

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20190528153304.27157-1-philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-06-12 17:53:22 +01:00
Alex Bennée 50290c002c qemu-io-cmds: use clock_gettime for benchmarking
The previous use of gettimeofday() ran into undefined behaviour when
we ended up doing a div 0 for a very short operation. This is because
gettimeofday only works at the microsecond level as well as being
prone to discontinuous jumps in system time. Using clock_gettime with
CLOCK_MONOTONIC gives greater precision and alleviates some of the
potential problems with time jumping around.

We could use CLOCK_MONOTONIC_RAW to avoid being tripped up by NTP and
adjtime but that is Linux specific so I decided it would do for now.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-06-12 17:53:22 +01:00
Alex Bennée 9b109f566a editorconfig: add setting for shell scripts
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-12 17:53:22 +01:00
Markus Armbruster 157dd36395 qapi: Simplify how QAPIDoc implements its state machine
QAPIDoc uses a state machine to for processing of documentation lines.
Its state is encoded as an enum QAPIDoc._state (well, as enum-like
class actually, thanks to our infatuation with Python 2).

All we ever do with the state is calling the state's function to
process a line of documentation.  The enum values effectively serve as
handles for the functions.

Eliminate the rather wordy indirection: store the function to call in
QAPIDoc._append_line.  Update and improve comments.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190606153803.5278-8-armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
[Commit message typo fixed]
2019-06-12 18:37:17 +02:00
Kevin Wolf c9d4070991 file-posix: Add dynamic-auto-read-only QAPI feature
In commit 23dece19da ('file-posix: Make auto-read-only dynamic') ,
auto-read-only=on changed its behaviour in file-posix for the 4.0
release. This change cannot be detected through the usual mechanisms
like schema introspection. Add a new feature flag to the schema to
allow libvirt to detect the presence of the new behaviour.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-7-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Comment tweaked on Eric Blake's advice]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:36:39 +02:00
Kevin Wolf f3ed93d545 qapi: Allow documentation for features
Features will be documented in a new part introduced by a "Features:"
line, after arguments and before named sections.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-6-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:35:57 +02:00
Kevin Wolf 03bf06bdc1 qapi: Disentangle QAPIDoc code
Documentation comments follow a certain structure: First, we have a text
with a general description (called QAPIDoc.body). After this,
descriptions of the arguments follow. Finally, we have a part that
contains various named sections.

The code doesn't show this structure, but just checks various attributes
that indicate indirectly which part is being processed, so it happens to
do the right set of things in the right phase. This is hard to follow,
and adding support for documentation of features would be even harder.

This patch restructures the code so that the three parts are clearly
separated. The code becomes a bit longer, but easier to follow. The
resulting output remains unchanged.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-5-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:35:31 +02:00
Kevin Wolf a00af40425 tests/qapi-schema: Error case tests for features in structs
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-4-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:35:26 +02:00
Kevin Wolf 8aa3a33e44 tests/qapi-schema: Test for good feature lists in structs
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-3-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:35:17 +02:00
Kevin Wolf 6a8c0b5102 qapi: Add feature flags to struct types
Sometimes, the behaviour of QEMU changes without a change in the QMP
syntax (usually by allowing values or operations that previously
resulted in an error). QMP clients may still need to know whether
they can rely on the changed behavior.

Let's add feature flags to the QAPI schema language, so that we can make
such changes visible with schema introspection.

An example for a schema definition using feature flags looks like this:

    { 'struct': 'TestType',
      'data': { 'number': 'int' },
      'features': [ 'allow-negative-numbers' ] }

Introspection information then looks like this:

    { "name": "TestType", "meta-type": "object",
      "members": [
          { "name": "number", "type": "int" } ],
      "features": [ "allow-negative-numbers" ] }

This patch implements feature flags only for struct types. We'll
implement them more widely as needed.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-2-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:34:26 +02:00
Stefano Garzarella 2ea8e96da2 block/gluster: update .help of BLOCK_OPT_PREALLOC option
Add missing 'falloc' among the allowed values of 'preallocation'
option; show it and 'full' only when they are supported.
('falloc' is supported if defined CONFIG_GLUSTERFS_FALLOCATE,
'full' is supported if defined CONFIG_GLUSTERFS_ZEROFILL)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190524075848.23781-4-sgarzare@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:32:32 +02:00
Stefano Garzarella abea00533f block/file-posix: update .help of BLOCK_OPT_PREALLOC option
Show 'falloc' among the allowed values of 'preallocation'
option, only when it is supported (if defined CONFIG_POSIX_FALLOCATE)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190524075848.23781-3-sgarzare@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:31:46 +02:00
Stefano Garzarella 64c7580c2e qapi/block-core: update documentation of preallocation parameter
Add default and available values in the documentation block of
each block device or protocol that supports the 'preallocation'
parameter during the image creation.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190524075848.23781-2-sgarzare@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 18:31:31 +02:00
Markus Armbruster 4d2091023a qdev: Delete unused LostTickPolicy "merge"
Commit 4e4fa398db "qdev: Introduce lost tick policy property"
(v1.1.0) created PropertyType PROP_TYPE_LOSTTICKPOLICY with values
"discard", "delay", "merge", and "slew".  Value "merge" has never been
used.  Delete it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190401150140.29151-1-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-06-12 18:24:27 +02:00
Peter Maydell a050901d4b ppc patch queue 2019-06-12
Next pull request against qemu-4.1.  The big thing here is adding
 support for hot plug of P2P bridges, and PCI devices under P2P bridges
 on the "pseries" machine (which doesn't use SHPC).  Other than that
 there's just a handful of fixes and small enhancements.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-4.1-20190612' into staging

ppc patch queue 2019-06-12

Next pull request against qemu-4.1.  The big thing here is adding
support for hot plug of P2P bridges, and PCI devices under P2P bridges
on the "pseries" machine (which doesn't use SHPC).  Other than that
there's just a handful of fixes and small enhancements.

# gpg: Signature made Wed 12 Jun 2019 06:47:56 BST
# gpg:                using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-4.1-20190612:
  ppc/xive: Make XIVE generate the proper interrupt types
  ppc/pnv: activate the "dumpdtb" option on the powernv machine
  target/ppc: Use tcg_gen_gvec_bitsel
  spapr: Allow hot plug/unplug of PCI bridges and devices under PCI bridges
  spapr: Direct all PCI hotplug to host bridge, rather than P2P bridge
  spapr: Don't use bus number for building DRC ids
  spapr: Clean up DRC index construction
  spapr: Clean up spapr_drc_populate_dt()
  spapr: Clean up dt creation for PCI buses
  spapr: Clean up device tree construction for PCI devices
  spapr: Clean up device node name generation for PCI devices
  target/ppc: Fix lxvw4x, lxvh8x and lxvb16x
  spapr_pci: Improve error message

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-06-12 14:43:47 +01:00
Peter Maydell 59c58f96b2 Miscellaneous patches for 2019-06-11
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Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2019-06-11-v3' into staging

Miscellaneous patches for 2019-06-11

# gpg: Signature made Wed 12 Jun 2019 12:20:41 BST
# 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-misc-2019-06-11-v3:
  MAINTAINERS: Polish headline decorations
  MAINTAINERS: Improve section headlines
  MAINTAINERS: Remove duplicate entries of qemu-devel@nongnu.org
  Clean up a header guard symbols (again)
  Supply missing header guards
  Clean up a few header guard symbols
  scripts/clean-header-guards: Fix handling of trailing comments
  Normalize position of header guard
  Include qemu-common.h exactly where needed
  Include qemu/module.h where needed, drop it from qemu-common.h
  qemu-common: Move qemu_isalnum() etc. to qemu/ctype.h
  qemu-common: Move tcg_enabled() etc. to sysemu/tcg.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-06-12 13:50:02 +01:00
Markus Armbruster 84995ea219 MAINTAINERS: Polish headline decorations
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190606172408.18399-4-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-06-12 13:20:21 +02:00
Markus Armbruster 6347e1f1cc MAINTAINERS: Improve section headlines
When scripts/get_maintainer.pl reports something like

    John Doe <jdoe@example.org> (maintainer:Overall)

the user is left to wonder *which* of our three "Overall" sections
applies: the one under "Guest CPU cores (TCG)", or the one under
"Guest CPU Cores (KVM)", or the one under "Usermode emulation".

Rename sections under

* "Guest CPU cores (TCG)" from "FOO" to "FOO TCG CPUs"

* "Guest CPU Cores (KVM)" from "FOO" to "FOO KVM CPUs"

* "Guest CPU Cores (Xen)" from "FOO" to "FOO Xen CPUs"

* "Architecture support" from "FOO" to "FOO general architecture
  support"

* "Usermode Emulation" from "Overall" to "Overall usermode emulation"

* "Tiny Code Generator (TCG)" from "FOO target" to "FOO TCG target",
  and from "Common code" to "Common TCG code"

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190606172408.18399-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-06-12 13:20:21 +02:00
Philippe Mathieu-Daudé 30aec7d331 MAINTAINERS: Remove duplicate entries of qemu-devel@nongnu.org
The list is always selected by the 'All patches CC here' section.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[Conflicts resolved by redoing the patch]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-12 13:20:21 +02:00
Markus Armbruster fe2611b016 Clean up a header guard symbols (again)
Commit d52c454aad "contrib: add vhost-user-gpu" and "c68082c43a
virtio-gpu: split virtio-gpu-pci & virtio-vga" created headers with
unusual header guard symbols.  Clean them up

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190607141321.9726-1-armbru@redhat.com>
2019-06-12 13:20:21 +02:00
Markus Armbruster f91005e195 Supply missing header guards
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604181618.19980-5-armbru@redhat.com>
2019-06-12 13:20:21 +02:00
Markus Armbruster 37677d7db3 Clean up a few header guard symbols
Commit 58ea30f514 "Clean up header guards that don't match their file
name" messed up contrib/elf2dmp/qemu_elf.h and
tests/migration/migration-test.h.

It missed target/cris/opcode-cris.h and
tests/uefi-test-tools/UefiTestToolsPkg/Include/Guid/BiosTablesTest.h
due to the scripts/clean-header-guards.pl bug fixed in the previous
commit.

Commit a8b991b52d "Clean up ill-advised or unusual header guards"
missed include/hw/xen/io/ring.h for the same reason.

Commit 3979fca4b6 "disas: Rename include/disas/bfd.h back to
include/disas/dis-asm.h" neglected to update the guard symbol for the
rename.

Commit a331c6d774 "semihosting: implement a semihosting console"
created include/hw/semihosting/console.h with an ill-advised guard
symbol.

Clean them up.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604181618.19980-4-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-06-12 13:20:20 +02:00
Markus Armbruster c0a9956b32 scripts/clean-header-guards: Fix handling of trailing comments
clean-header-guards.pl fails to recognize a header guard #endif when
it's followed by a // comment, or multiple comments.  Fix that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604181618.19980-3-armbru@redhat.com>
2019-06-12 13:20:20 +02:00
Markus Armbruster 0553d895f9 Normalize position of header guard
This is the common header guard idiom:

    /*
     * File comment
     */

    #ifndef GUARD_SYMBOL_H
    #define GUARD_SYMBOL_H

    ... actual contents ...

    #endif

A few of our headers have some #include before the guard.
target/tilegx/spr_def_64.h has #ifndef __DOXYGEN__ outside the guard.
A few more have the #define elsewhere.

Change them to match the common idiom.  For spr_def_64.h, that means
dropping #ifndef __DOXYGEN__.  While there, rename guard symbols to
make scripts/clean-header-guards.pl happy.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604181618.19980-2-armbru@redhat.com>
[Rebased with conflicts resolved automatically]
2019-06-12 13:20:20 +02:00
Markus Armbruster a8d2532645 Include qemu-common.h exactly where needed
No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
2019-06-12 13:20:20 +02:00
Markus Armbruster 0b8fa32f55 Include qemu/module.h where needed, drop it from qemu-common.h
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-4-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c
hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c;
ui/cocoa.m fixed up]
2019-06-12 13:18:33 +02:00
Peter Maydell d3e3413bd6 Python queue, 2019-06-11
* New boot_linux_console test cases (Philippe Mathieu-Daudé)
 * Make check-acceptance Travis job more verbose (Eduardo Habkost)
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Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2019-06-11

* New boot_linux_console test cases (Philippe Mathieu-Daudé)
* Make check-acceptance Travis job more verbose (Eduardo Habkost)

# gpg: Signature made Tue 11 Jun 2019 18:13:35 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/python-next-pull-request:
  travis: Make check-acceptance job more verbose
  BootLinuxConsoleTest: Run kerneltests BusyBox on Malta
  BootLinuxConsoleTest: Test nanoMIPS kernels on the I7200 CPU
  BootLinuxConsoleTest: Test the SmartFusion2 board
  BootLinuxConsoleTest: Do not log empty lines
  tests/boot_linux_console: Let extract_from_deb handle various compressions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-06-12 11:49:08 +01:00
Benjamin Herrenschmidt 4aca978654 ppc/xive: Make XIVE generate the proper interrupt types
It should be generic Hypervisor Virtualization interrupts for HV
directed rings and traditional External Interrupts for the OS directed
ring.

Don't generate anything for the user ring as it isn't actually
supported.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190606174409.12502-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-06-12 10:41:50 +10:00
Cédric Le Goater 8d40926141 ppc/pnv: activate the "dumpdtb" option on the powernv machine
This is a good way to debug the DT creation for current PowerNV
machines and new ones to come.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190606174732.13051-1-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-06-12 10:41:50 +10:00
Richard Henderson fe2d169614 target/ppc: Use tcg_gen_gvec_bitsel
Replace the target-specific implementation of XXSEL.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190603164927.8336-1-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-06-12 10:41:50 +10:00
David Gibson 14e714900f spapr: Allow hot plug/unplug of PCI bridges and devices under PCI bridges
The pseries machine type already allows PCI hotplug and unplug via the
PAPR mechanism, but only on the root bus of each PHB.  This patch extends
this to allow PCI to PCI bridges to be hotplugged, and devices to be
hotplugged or unplugged under P2P bridges.

For now we disallow hot unplugging P2P bridges.  I tried doing that, but
haven't managed to get it working, I think due to some guest side problems
that need further investigation.

To do this we dynamically construct DRCs when bridges are hot (or cold)
added, which can in turn be used to hotplug devices under the bridge.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
David Gibson cb60008706 spapr: Direct all PCI hotplug to host bridge, rather than P2P bridge
A P2P bridge will attempt to handle the hotplug with SHPC, which doesn't
work in the PAPR environment.  Instead we want to direct all PCI hotplug
actions to the PAPR specific host bridge which will use the PAPR hotplug
mechanism.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
David Gibson 05929a6c5d spapr: Don't use bus number for building DRC ids
DRC ids are more or less arbitrary, as long as they're consistent.  For
PCI, we notionally build them from the phb's index along with PCI bus
number, slot and function number.

Using bus number is broken, however, because it can change if the guest
re-enumerates the PCI topology for whatever reason (e.g. due to hotplug
of a bridge, which we don't support yet but want to).

Fortunately, there's an alternative.  Bridges are required to have a unique
non-zero "chassis number" that we can use instead.  Adjust the code to
use that instead.

This looks like it would introduce a guest visible breaking change, but
in fact it does not because we don't yet ever use non-zero bus numbers.
Both chassis and bus number are always 0 for the root bus, so there's no
change for the existing cases.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
David Gibson a1ec25b287 spapr: Clean up DRC index construction
spapr_pci.c currently has several confusingly similarly named functions for
various conversions between representations of DRCs.  Make things clearer
by renaming things in a more consistent XXX_from_YYY() manner and remove
some called-only-once variants in favour of open coding.

While we're at it, move this code together in the file to avoid some extra
forward references, and split out construction and removal of DRCs for the
host bridge into helper functions.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
David Gibson 9e7d38e8a3 spapr: Clean up spapr_drc_populate_dt()
This makes some minor cleanups to spapr_drc_populate_dt(), renaming it to
the shorter and more idiomatic spapr_dt_drc() along the way.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
David Gibson 466e883185 spapr: Clean up dt creation for PCI buses
Device nodes for PCI bridges (both host and P2P) describe both the bridge
device itself and the bus hanging off it, handling of this is a bit of a
mess.

spapr_dt_pci_device() has a few things it only adds for non-bridges, but
always adds #address-cells and #size-cells which should only appear for
bridges.  But the walking down the subordinate PCI bus is done in one of
its callers spapr_populate_pci_devices_dt().  The PHB dt creation in
spapr_populate_pci_dt() open codes some similar logic to the bridge case.

This patch consolidates things in a bunch of ways:
 * Bus specific dt info is now created in spapr_dt_pci_bus() used for both
   P2P bridges and the host bridge.  This includes walking subordinate
   devices
 * spapr_dt_pci_device() now calls spapr_dt_pci_bus() when called on a
   P2P bridge
 * We do detection of bridges with the is_bridge field of the device class,
   rather than checking PCI config space directly, for consistency with
   qemu's core PCI code.
 * Several things are renamed for brevity and clarity

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
David Gibson 9d2134d81d spapr: Clean up device tree construction for PCI devices
spapr_create_pci_child_dt() is a trivial wrapper around
spapr_populate_pci_child_dt(), but is the latter's only caller.  So fold
them together into spapr_dt_pci_device(), which closer matches our modern
naming convention.

While there, make a number of cleanups to the function itself.  This is
mostly using more temporary locals to avoid awkwardly long lines, and in
some cases avoiding double reads of PCI config space variables.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
David Gibson 4782a8bb81 spapr: Clean up device node name generation for PCI devices
spapr_populate_pci_child_dt() adds a 'name' property to the device tree
node for PCI devices.  This is never necessary for a flattened device tree,
it is implicit in the name added when the node is constructed.  In fact
anything we do add to a 'name' property will be overwritten with something
derived from the structural name in the guest firmware (but in fact it is
exactly the same bytes).

So, remove that.  In addition, pci_get_node_name() is very simple, so fold
it into its (also simple) sole caller spapr_create_pci_child_dt().

While we're there rename pci_find_device_name() to the shorter and more
accurate dt_name_from_class().

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
2019-06-12 10:41:49 +10:00
Anton Blanchard 2a12243590 target/ppc: Fix lxvw4x, lxvh8x and lxvb16x
During the conversion these instructions were incorrectly treated as
stores. We need to use set_cpu_vsr* and not get_cpu_vsr*.

Fixes: 8b3b2d75c7 ("introduce get_cpu_vsr{l,h}() and set_cpu_vsr{l,h}() helpers for VSR register access")
Signed-off-by: Anton Blanchard <anton@ozlabs.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20190524065345.25591-1-mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-06-12 10:41:49 +10:00
Greg Kurz 7028293017 spapr_pci: Improve error message
Every PHB must have a unique index. This is checked at realize but when
a duplicate index is detected, an error message mentioning BUIDs is
printed. This doesn't help much, especially since BUID is an internal
concept that is no longer exposed to the user.

Fix the message to mention the index property instead of BUID. As a bonus
print a list of indexes already in use.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155915010892.2061314.10485622810149098411.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-06-12 10:41:49 +10:00
Markus Armbruster 856dfd8a03 qemu-common: Move qemu_isalnum() etc. to qemu/ctype.h
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-3-armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-11 20:22:09 +02:00
Markus Armbruster 14a48c1d0d qemu-common: Move tcg_enabled() etc. to sysemu/tcg.h
Other accelerators have their own headers: sysemu/hax.h, sysemu/hvf.h,
sysemu/kvm.h, sysemu/whpx.h.  Only tcg_enabled() & friends sit in
qemu-common.h.  This necessitates inclusion of qemu-common.h into
headers, which is against the rules spelled out in qemu-common.h's
file comment.

Move tcg_enabled() & friends into their own header sysemu/tcg.h, and
adjust #include directives.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-2-armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[Rebased with conflicts resolved automatically, except for
accel/tcg/tcg-all.c]
2019-06-11 20:22:09 +02:00
Eduardo Habkost 6d7a134da4 travis: Make check-acceptance job more verbose
It will help us debug issues when tests fail.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-06-11 14:13:09 -03:00
Philippe Mathieu-Daudé 8936867349 BootLinuxConsoleTest: Run kerneltests BusyBox on Malta
This tests boots a Linux kernel on a Malta machine up to a
busybox shell on the serial console. Few commands are executed
before halting the machine (via reboot).

We use the initrd cpio image from the kerneltests project:
https://kerneltests.org/

If MIPS is a target being built, "make check-acceptance" will
automatically include this test by the use of the "arch:mips" tags.

Alternatively, this test can be run using:

  $ avocado --show=console run -t arch:mips tests/acceptance/boot_linux_console.py
  [...]
  console: Boot successful.
  [...]
  console: / # uname -a
  console: Linux buildroot 4.5.0-2-4kc-malta #1 Debian 4.5.5-1 (2016-05-29) mips GNU/Linux
  console: / # reboot
  console: / # reboot: Restarting system

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20190520231910.12184-4-f4bug@amsat.org>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-06-11 14:13:09 -03:00
Philippe Mathieu-Daudé f375ad6a0d BootLinuxConsoleTest: Test nanoMIPS kernels on the I7200 CPU
Similar to the x86_64/pc test, it boots a Linux kernel on a Malta
machine and verify the serial is working.

Use the documentation added in commit f7d257cb4a to test
nanoMIPS kernels and the I7200 CPU.

This test can be run using:

  $ avocado --show=console run -t arch:mipsel tests/acceptance/boot_linux_console.py
  console: [    0.000000] Linux version 4.15.18-00432-gb2eb9a8b (emubuild@mipscs563) (gcc version 6.3.0 (Codescape GNU Tools 2018.04-02 for nanoMIPS Linux)) #1 SMP Wed Jun 27 11:10:08 PDT 2018
  console: [    0.000000] GCRs appear to have been moved (expected them at 0x1fbf8000)!
  console: [    0.000000] GCRs appear to have been moved (expected them at 0x1fbf8000)!
  console: [    0.000000] CPU0 revision is: 00010000 (MIPS GENERIC QEMU)
  console: [    0.000000] MIPS: machine is mti,malta
  console: [    0.000000] Determined physical RAM map:
  console: [    0.000000]  memory: 08000000 @ 00000000 (usable)
  console: [    0.000000] earlycon: ns16550a0 at I/O port 0x3f8 (options '38400n8')
  console: [    0.000000] bootconsole [ns16550a0] enabled
  console: [    0.000000] User-defined physical RAM map:
  console: [    0.000000]  memory: 10000000 @ 00000000 (usable)
  console: [    0.000000] Initrd not found or empty - disabling initrd
  console: [    0.000000] MIPS CPS SMP unable to proceed without a CM
  console: [    0.000000] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
  console: [    0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
  console: [    0.000000] This processor doesn't support highmem. -262144k highmem ignored
  console: [    0.000000] Zone ranges:
  console: [    0.000000]   Normal   [mem 0x0000000000000000-0x000000000fffffff]
  console: [    0.000000]   HighMem  empty
  console: [    0.000000] Movable zone start for each node
  console: [    0.000000] Early memory node ranges
  console: [    0.000000]   node   0: [mem 0x0000000000000000-0x000000000fffffff]
  console: [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000000fffffff]
  console: [    0.000000] random: get_random_bytes called from start_kernel+0x60/0x2f0 with crng_init=0
  console: [    0.000000] percpu: Embedded 16 pages/cpu @(ptrval) s36620 r8192 d20724 u65536
  console: [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 64960
  console: [    0.000000] Kernel command line: printk.time=0 mem=256m@@0x0 console=ttyS0 earlycon

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20190520231910.12184-3-f4bug@amsat.org>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-06-11 14:13:09 -03:00
Philippe Mathieu-Daudé 77ead6b83a BootLinuxConsoleTest: Test the SmartFusion2 board
Similar to the x86_64/pc test, it boots a Linux kernel on an
Emcraft board and verify the serial is working.

If ARM is a target being built, "make check-acceptance" will
automatically include this test by the use of the "arch:arm" tags.

Alternatively, this test can be run using:

  $ avocado run -t arch:arm tests/acceptance
  $ avocado run -t machine:emcraft_sf2 tests/acceptance

Based on the recommended test setup from Subbaraya Sundeep:
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03810.html

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20190520220635.10961-3-f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-06-11 14:13:09 -03:00
Philippe Mathieu-Daudé da77bc919d BootLinuxConsoleTest: Do not log empty lines
Avoid to log empty lines in console debug logs.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20190520220635.10961-2-f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-06-11 14:13:09 -03:00
Philippe Mathieu-Daudé 6c1c4c33b5 tests/boot_linux_console: Let extract_from_deb handle various compressions
Debian binary package format supports various compressions.

Per man deb(5):

  NAME
    deb - Debian binary package format

  FORMAT
    ...
    The third, last required member is named data.tar.  It contains the
    filesystem as a tar archive, either not compressed (supported since
    dpkg 1.10.24), or compressed with gzip (with .gz extension),
    xz (with .xz extension, supported since dpkg 1.15.6),
    bzip2 (with .bz2 extension, supported since dpkg 1.10.24) or
    lzma (with .lzma extension, supported since dpkg 1.13.25).

List the archive files to have the 3rd name with the correct extension.

The function avocado.utils.archive.extract() will handle the different
compression format for us.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190312234541.2887-2-philmd@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-06-11 14:13:00 -03:00
Peter Maydell 219dca61eb x86 queue, 2019-06-11
* "unavailable-features" QOM property (Eduardo Habkost)
 * Save EFER for 32-bit targets (Pavel Dovgalyuk)
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging

x86 queue, 2019-06-11

* "unavailable-features" QOM property (Eduardo Habkost)
* Save EFER for 32-bit targets (Pavel Dovgalyuk)

# gpg: Signature made Tue 11 Jun 2019 14:41:45 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-next-pull-request:
  i386: Save EFER for 32-bit targets
  i386: "unavailable-features" QOM property
  i386: x86_cpu_list_feature_names() function

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-06-11 16:02:07 +01:00