Commit Graph

5915 Commits

Author SHA1 Message Date
Marc-André Lureau
85bbd1e7a4 qdev: Rename DEFINE_PROP_DEFAULT() to DEFINE_PROP_SIGNED()
The rename prepares for the patch after next's DEFINE_PROP_UNSIGNED().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-16-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-20 14:31:32 +02:00
Marc-André Lureau
3152779cd6 object: add uint property setter/getter
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170607163635.17635-13-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-20 14:31:32 +02:00
Marc-André Lureau
61a8f418b2 qnum: add uint type
In order to store integer values between INT64_MAX and UINT64_MAX, add
a uint64_t internal representation.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170607163635.17635-10-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-20 14:31:31 +02:00
Marc-André Lureau
60390d2dc8 qapi: Remove visit_start_alternate() parameter promote_int
Before the previous commit, parameter promote_int = true made
visit_start_alternate() with an input visitor avoid QTYPE_QINT
variants and create QTYPE_QFLOAT variants instead.  This was used
where QTYPE_QINT variants were invalid.

The previous commit fused QTYPE_QINT with QTYPE_QFLOAT, rendering
promote_int useless and unused.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170607163635.17635-8-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-20 14:31:31 +02:00
Marc-André Lureau
01b2ffcedd qapi: merge QInt and QFloat in QNum
We would like to use a same QObject type to represent numbers, whether
they are int, uint, or floats. Getters will allow some compatibility
between the various types if the number fits other representations.

Add a few more tests while at it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-7-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[parse_stats_intervals() simplified a bit, comment in
test_visitor_in_int_overflow() tidied up, suppress bogus warnings]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-20 14:31:31 +02:00
Marc-André Lureau
a2740ad584 qdev: remove PropertyInfo.qtype field
Remove dependency on qapi qtype, replace a field by a few PropertyInfo
callbacks to set the default value type (introduced in commit 4f2d3d7).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170607163635.17635-2-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-06-19 14:56:29 +02:00
Juan Quintela
1adc1ceef7 migration: Remove unneeded includes
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
2017-06-14 11:10:19 +02:00
Juan Quintela
68a4a2fda1 migration: Fix compilation with older compilers
That typedefs are needed on both files.  New compilers (F25 where I
work) don't complain about repeating a typedef.  But older ones
complain.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
2017-06-14 11:08:55 +02:00
Eric Auger
252a7a6a96 hw/intc/arm_gicv3_its: Allow save/restore
We change the restoration priority of both the GICv3 and ITS. The
GICv3 must be restored before the ITS and the ITS needs to be restored
before PCIe devices since it translates their MSI transactions.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-id: 1497023553-18411-5-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 14:57:01 +01:00
Eric Auger
cddafd8f35 hw/intc/arm_gicv3_its: Implement state save/restore
We need to handle both registers and ITS tables. While
register handling is standard, ITS table handling is more
challenging since the kernel API is devised so that the
tables are flushed into guest RAM and not in vmstate buffers.

Flushing the ITS tables on device pre_save() is too late
since the guest RAM is already saved at this point.

Table flushing needs to happen when we are sure the vcpus
are stopped and before the last dirty page saving. The
right point is RUN_STATE_FINISH_MIGRATE but sometimes the
VM gets stopped before migration launch so let's simply
flush the tables each time the VM gets stopped.

For regular ITS registers we just can use vmstate pre_save()
and post_load() callbacks.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1497023553-18411-3-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 14:57:00 +01:00
Eric Auger
556969e938 kvm-all: Pass an error object to kvm_device_access
In some circumstances, we don't want to abort if the
kvm_device_access fails. This will be the case during ITS
migration, in case the ITS table save/restore fails because
the guest did not program the vITS correctly. So let's pass an
error object to the function and return the ioctl value. New
callers will be able to make a decision upon this returned
value.

Existing callers pass &error_abort which will cause the
function to abort on failure.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-id: 1497023553-18411-2-git-send-email-eric.auger@redhat.com
[PMM: wrapped long line]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 14:57:00 +01:00
Pranith Kumar
d1bb099f63 timer.h: Provide better monotonic time
Tested and confirmed that the stretch i386 debian qcow2 image on a
raspberry pi 2 works.

Fixes: LP#: 893208 <https://bugs.launchpad.net/qemu/+bug/893208/>
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170418191817.10430-1-bobby.prani@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 14:56:59 +01:00
Krzysztof Kozlowski
a2f2f6249b hw/arm/exynos: Move DRAM initialization next boards
Before QOM-ifying the Exynos4 SoC model, move the DRAM initialization
from exynos4210.c to exynos4_boards.c because DRAM is board specific,
not SoC.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 14:56:57 +01:00
Peter Maydell
735286a4f8 migration/next for 20170613
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20170613' into staging

migration/next for 20170613

# gpg: Signature made Tue 13 Jun 2017 10:01:45 BST
# gpg:                using RSA key 0xF487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg:                 aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* remotes/juanquintela/tags/migration/20170613:
  migration: Move migration.h to migration/
  migration: Move remaining exported functions to migration/misc.h
  migration: create global_state.c
  migration: ram_control_* are implemented in qemu_file
  migration: Commands are only used inside migration.c
  migration: Move constants to savevm.h
  migration: Move dump_vmsate_json_to_file() to misc.h
  migration: Split registration functions from vmstate.h
  migration: Move self_announce_delay() to misc.h
  migration: Remove MigrationState from migration_channel_incomming()
  ram: Now POSTCOPY_ACTIVE is the same that STATUS_ACTIVE
  ram: Print block stats also in the complete case
  migration: Don't try to set *errp directly
  migration: isolate return path on src

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 13:51:29 +01:00
Peter Maydell
9746211baa ppc patch queue 2017-06-09
This batch contains more patches to rework the pseries machine hotplug
 infrastructure, plus an assorted batch of bugfixes.
 
 It contains a start on fixes to restore migration from older machine
 types on older versions which was broken by some xics changes.  There
 are still a few missing pieces here, though.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.10-20170609' into staging

ppc patch queue 2017-06-09

This batch contains more patches to rework the pseries machine hotplug
infrastructure, plus an assorted batch of bugfixes.

It contains a start on fixes to restore migration from older machine
types on older versions which was broken by some xics changes.  There
are still a few missing pieces here, though.

# gpg: Signature made Fri 09 Jun 2017 06:26:03 BST
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.10-20170609:
  Revert "spapr: fix memory hot-unplugging"
  xics: drop ICPStateClass::cpu_setup() handler
  xics: setup cpu at realize time
  xics: pass appropriate types to realize() handlers.
  xics: introduce macros for ICP/ICS link properties
  hw/cpu: core.c can be compiled as common object
  hw/ppc/spapr: Adjust firmware name for PCI bridges
  xics: add reset() handler to ICPStateClass
  pnv_core: drop reference on ICPState object during CPU realization
  spapr: Rework DRC name handling
  spapr: Fold spapr_phb_{add,remove}_pci_device() into their only callers
  spapr: Change DRC attach & detach methods to functions
  spapr: Clean up handling of DR-indicator
  spapr: Clean up RTAS set-indicator
  spapr: Don't misuse DR-indicator in spapr_recover_pending_dimm_state()
  spapr: Clean up DR entity sense handling
  pseries: Correct panic behaviour for pseries machine type
  spapr: fix memory leak in spapr_memory_pre_plug()
  target/ppc: fix memory leak in kvmppc_is_mem_backend_page_size_ok()
  target/ppc: pass const string to kvmppc_is_mem_backend_page_size_ok()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 11:56:00 +01:00
Peter Maydell
8e3cf49c47 pc, pci, vhost: fixes
Some fixes all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, pci, vhost: fixes

Some fixes all over the place.

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

# gpg: Signature made Thu 08 Jun 2017 20:04:24 BST
# gpg:                using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  hw/pcie: fix the generic pcie root port to support migration
  nvdimm acpi: fix region format interface code
  vhost-user-bridge: fix iov_restore_front() warning

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 11:14:07 +01:00
Juan Quintela
6666c96aac migration: Move migration.h to migration/
Nothing uses it outside of migration.h

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
c4b63b7cc5 migration: Move remaining exported functions to migration/misc.h
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
84a899de8c migration: create global_state.c
It don't belong anywhere else, just the global state where everybody
can stick other things.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
2ce3bf1aa9 migration: ram_control_* are implemented in qemu_file
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
da6f17903f migration: Commands are only used inside migration.c
So, move them there.  Notice that we export functions that send
commands, not the command themselves.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
c3d2e2e76c migration: Move constants to savevm.h
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
b7722747e4 migration: Move dump_vmsate_json_to_file() to misc.h
It was not from vmstate.c to start with.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:45 +02:00
Juan Quintela
f2a8f0a631 migration: Split registration functions from vmstate.h
They are indpendent, and nowadays almost every device register things
with qdev->vmsd.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
2017-06-13 11:00:44 +02:00
Juan Quintela
f8d806c992 migration: Move self_announce_delay() to misc.h
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
2017-06-13 11:00:44 +02:00
Peter Maydell
f4f3082b0c s390x: misc fixes
bunch of fixes
 - reject MIDA accesses for CCWs
 - cpumodel fixes
 - cross-build fix for bios
 - migration improvements
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Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20170608' into staging

s390x: misc fixes

bunch of fixes
- reject MIDA accesses for CCWs
- cpumodel fixes
- cross-build fix for bios
- migration improvements

# gpg: Signature made Thu 08 Jun 2017 14:10:29 BST
# gpg:                using RSA key 0x117BBC80B5A61C7C
# gpg: Good signature from "Christian Borntraeger (IBM) <borntraeger@de.ibm.com>"
# Primary key fingerprint: F922 9381 A334 08F9 DBAB  FBCA 117B BC80 B5A6 1C7C

* remotes/borntraeger/tags/s390x-20170608:
  s390x/cpumodel: improve defintion search without an IBC
  s390x/cpumodel: take care of the cpuid format bit for KVM
  pc-bios/s390-ccw: use STRIP variable in Makefile
  s390x/css: fence off MIDA
  s390x/css: catch section mismatch on load

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-13 09:27:17 +01:00
Peter Maydell
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 =CXN6
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/elmarco/tags/char-pull-request' into staging

# gpg: Signature made Thu 08 Jun 2017 15:12:11 BST
# gpg:                using RSA key 0xDAE8E10975969CE5
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>"
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/char-pull-request:
  test-char: start a /char/serial test
  chardev: don't use alias names in parse_compat()
  char: fix alias devices regression

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-12 19:26:49 +01:00
Laurent Vivier
593080936a Revert "spapr: fix memory hot-unplugging"
This reverts commit fe6824d126.

Conflicts hw/ppc/spapr_drc.c, because get_index() has been renamed
spapr_get_index().

This didn't fix the problem. Once the hotplug has been started
some memory is allocated and some structures are allocated.
We don't free it when we ignore the unplug, and we can't because
they can be in use by the kernel.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Tested-by: Daniel Barboza <danielhb@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-06-09 12:35:46 +10:00
Greg Kurz
b1fd36c363 xics: drop ICPStateClass::cpu_setup() handler
The cpu_setup() handler is only implemented by xics_kvm, where it really
does a typical "realize" job. Moreover, the realize() handler is called
shortly after cpu_setup(), on the same path.

This patch converts xics_kvm to implement realize() instead of cpu_setup().

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-06-09 12:17:59 +10:00
Greg Kurz
9ed656631d xics: setup cpu at realize time
Until recently, spapr used to allocate ICPState objects for the lifetime
of the machine. They would only be associated to vCPUs in xics_cpu_setup()
when plugging a CPU core.

Now that ICPState objects have the same lifecycle as vCPUs, it is
possible to associate them during realization.

This patch hence open-codes xics_cpu_setup() in icp_realize(). The vCPU
is passed as a property. Note that vCPU now needs to be realized first
for the IRQs to be allocated. It also needs to resetted before ICPState
realization in order to synchronize with KVM.

Since ICPState objects are freed when unrealized, xics_cpu_destroy() isn't
needed anymore and can be safely dropped.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-06-09 12:15:57 +10:00
Greg Kurz
100f738850 xics: pass appropriate types to realize() handlers.
It makes more sense to pass an IPCState * to handlers of ICPStateClass
instead of a DeviceState *, if only to benefit from compile time type
checking. The same goes with ICSStateClass.

While here, we also change the declaration of ICPStateClass in xics.h
for consistency.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-06-09 12:12:34 +10:00
Greg Kurz
ad265631c0 xics: introduce macros for ICP/ICS link properties
These properties are part of the XICS API. They deserve to appear
explicitely in the XICS header file.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-06-09 12:12:34 +10:00
Marcel Apfelbaum
bc277a52fb hw/pcie: fix the generic pcie root port to support migration
Add msix state to pcie-root-ports's vmstate
in order to support migration.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-06-08 22:02:37 +03:00
Marc-André Lureau
d203c64398 char: fix alias devices regression
Fix regression from commit 4d43a603c7, where the serial and parallel
headers got removed from char.c, which broke the alias table.

Move the HAVE_CHARDEV_SERIAL/HAVE_CHARDEV_PARPORT to osdep.h instead
of being in separate headers.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2017-06-08 17:57:36 +04:00
Greg Kurz
a4d4edce7a xics: add reset() handler to ICPStateClass
Taking into account that qemu_set_irq() returns immediatly if its first
argument is NULL, icp_kvm_reset() largely duplicates icp_reset().

This patch introduces a reset() handler, so that the common logic can
be implemented in icp_reset() only.

While there we can also drop icp_kvm_realize() and icp_kvm_unrealize(). This
causes icp-kvm to be realized in icp_realize(), which sets icp->xics, but
it has no impact.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-06-08 14:38:27 +10:00
David Gibson
7980833619 spapr: Rework DRC name handling
DRC objects have a get_name method which returns the DRC name generated
when the DRC is created.  Replace that with a fixed spapr_drc_name()
function which generates the name on the fly from other information.  This
means:
  * We get rid of a method with only one implementation, and only local
    callers
  * We don't have to carry the name string around for the lifetime of the
    DRC
  * We use information added to the class structure to generate the name
    in standard format, so we don't need an explicit switch on drc type
    any more

We also eliminate the 'name' property; it's basically useless since the
only information in it can easily be deduced from other things.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-08 14:38:27 +10:00
David Gibson
0be4e88621 spapr: Change DRC attach & detach methods to functions
DRC objects have attach & detach methods, but there's only one
implementation.  Although there are some differences in its behaviour for
different DRC types, the overall structure is the same, so while we might
want different method implementations for some parts, we're unlikely to
want them for the top-level functions.

So, replace them with direct function calls.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-08 14:38:26 +10:00
David Gibson
cd74d27e42 spapr: Clean up handling of DR-indicator
There are 3 types of "indicator" associated with hotplug in the PAPR spec
the "allocation state", "isolation state" and "DR-indicator".  The first
two are intimately tied to the various state transitions associated with
hotplug.  The DR-indicator, however, is different and simpler.

It's basically just a guest controlled variable which can be used by the
guest to flag state or problems associated with a device.  The idea is that
the hypervisor can use it to present information back on management
consoles (on some machines with PowerVM it may even control physical LEDs
on the machine case associated with the relevant device).

For that reason, there's only ever likely to be a single update
implementation so the set_indicator_state method isn't useful.  Replace it
with a direct function call.

While we're there, make some small associated cleanups:
  * PAPR doesn't use the term "indicator state", just "DR-indicator" and
the allocation state and isolation state are also considered "indicators".
Rename things to be less confusing
  * Fold set_indicator_state() and rtas_set_indicator_state() into a single
rtas_set_dr_indicator() function.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-08 14:38:26 +10:00
David Gibson
f224d35be9 spapr: Clean up DR entity sense handling
DRC classes have an entity_sense method to determine (in a specific PAPR
sense) the presence or absence of a device plugged into a DRC.  However,
we only have one implementation of the method, which explicitly tests for
different DRC types.  This changes it to instead have different method
implementations for the two cases: "logical" and "physical" DRCs.

While we're at it, the entity sense method always returns RTAS_OUT_SUCCESS,
and the interesting value is returned via pass-by-reference.  Simplify this
to directly return the value we care about

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-08 14:38:26 +10:00
Vladimir Sementsov-Ogievskiy
be41c100c0 nbd/client.c: use errp instead of LOG
Move to modern errp scheme from just LOGging errors.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20170526110913.89098-1-vsementsov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-06 20:18:36 +02:00
Vladimir Sementsov-Ogievskiy
f260956536 nbd: add errp parameter to nbd_wr_syncv()
Will be used in following patch to provide actual error message in
some cases.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20170516094533.6160-4-vsementsov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-06 20:18:36 +02:00
Xiao Guangrong
bd618eab76 qtest: add rtc periodic timer test
It tests the accuracy of rtc periodic timer which is recently
improved & fixed by commit 7ffcb539a3 ("mc146818rtc: precisely count
the clock for periodic timer", 2017-05-19).

Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
Message-Id: <20170527025301.23499-1-xiaoguangrong@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-06 20:18:35 +02:00
Peter Maydell
e02bbe1956 ppc patch queue 2017-06-06
Accumulated patches for ppc targets and the pseries machine type.
 
 The big thing in this batch is a start on a substantial cleanup of the
 pseries hotplug mechanisms, which were pretty confusing.  For now
 these shouldn't cause substantial behavioural changes, but I am hoping
 these lead to clearer code and eventually to fixes for the bugs we
 have in hotplug handling, particularly when hotplug and migration are
 combined.
 
 The remaining patches are mostly bugfixes.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.10-20170606' into staging

ppc patch queue 2017-06-06

Accumulated patches for ppc targets and the pseries machine type.

The big thing in this batch is a start on a substantial cleanup of the
pseries hotplug mechanisms, which were pretty confusing.  For now
these shouldn't cause substantial behavioural changes, but I am hoping
these lead to clearer code and eventually to fixes for the bugs we
have in hotplug handling, particularly when hotplug and migration are
combined.

The remaining patches are mostly bugfixes.

# gpg: Signature made Tue 06 Jun 2017 03:48:50 BST
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.10-20170606:
  spapr: Remove some non-useful properties on DRC objects
  spapr: Eliminate spapr_drc_get_type_str()
  spapr: Move configure-connector state into DRC
  spapr: Clean up spapr_dr_connector_by_*()
  spapr: Introduce DRC subclasses
  spapr/drc: don't migrate DRC of cold-plugged CPUs and LMBs
  spapr: Allow boot from vhost-*-scsi backends
  ppc/pnv: check the return value of fdt_setprop()
  spapr_nvram: Check return value from blk_getlength()
  target/ppc: Fixup set_spr error in h_register_process_table
  target-ppc: Fix openpic timer read register offset
  spapr: Make DRC get_index and get_type methods into plain functions
  spapr: Abolish DRC set_configured method
  spapr: Abolish DRC get_fdt method
  spapr: Move DRC RTAS calls into spapr_drc.c
  migration: Mark CPU states dirty before incoming migration/loadvm
  migration: remove register_savevm()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-06 14:30:06 +01:00
Peter Maydell
a65afaae0f x86 and machine queue, 2017-06-05
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-and-machine-pull-request' into staging

x86 and machine queue, 2017-06-05

# gpg: Signature made Mon 05 Jun 2017 19:58:01 BST
# gpg:                using RSA key 0x2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-and-machine-pull-request:
  scripts: Test script to look for -device crashes
  qemu.py: Add QEMUMachine.exitcode() method
  qemu.py: Don't set _popen=None on error/shutdown
  spapr: cleanup spapr_fixup_cpu_numa_dt() usage
  numa: move numa_node from CPUState into target specific classes
  numa: make hmp 'info numa' fetch numa nodes from qmp_query_cpus() result
  numa: make sure that all cpus have has_node_id set if numa is enabled
  numa: move default mapping init to machine
  numa: consolidate cpu_preplug fixups/checks for pc/arm/spapr
  pc: Use "min-[x]level" on compat_props

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-06 10:00:34 +01:00
Cornelia Huck
4e19b57b0e s390x/css: fence off MIDA
MIDA (modified indirect data addressing) is an optional facility, and
we (currently) don't support it. Let's post an operand exception if
the guest tries to set it in the orb and a channel program check
if it is set in a ccw, as specified in the Principles of Operation.

Reviewed-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2017-06-06 10:17:11 +02:00
David Gibson
1693ea1685 spapr: Eliminate spapr_drc_get_type_str()
This function was used in generating the device tree.  However, now that
we have different QOM types for different DRC types we can easily store
the information we need in the class structure and avoid this specialized
lookup function.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-06 09:24:21 +10:00
David Gibson
b8fdd530be spapr: Move configure-connector state into DRC
Currently the sPAPRMachineState contains a list of sPAPRConfigureConnector
structures which store intermediate state for the ibm,configure-connector
RTAS call.

This was an attempt to separate this state from the core of the DRC state.
However the configure connector process is intimately tied to the DRC
model, so there's really no point trying to have two levels of interface
here.

Moving the configure-connector state into its corresponding DRC allows
removal of a number of helpers for maintaining the anciliary list.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-06 09:24:17 +10:00
David Gibson
fbf5539718 spapr: Clean up spapr_dr_connector_by_*()
* Change names to something less ludicrously verbose
 * Now that we have QOM subclasses for the different DRC types, use a QOM
   typename instead of a PAPR type value parameter

The latter allows removal of the get_type_shift() helper.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-06 09:24:08 +10:00
David Gibson
2d33581899 spapr: Introduce DRC subclasses
Currently we only have a single QOM type for all DRCs, but lots of
places where we switch behaviour based on the DRC's PAPR defined type.
This is a poor use of our existing type system.

So, instead create QOM subclasses for each PAPR defined DRC type.  We
also introduce intermediate subclasses for physical and logical DRCs,
a division which will be useful later on.

Instead of being stored in the DRC object itself, the PAPR type is now
stored in the class structure.  There are still many places where we
switch directly on the PAPR type value, but this at least provides the
basis to start to remove those.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2017-06-06 09:23:46 +10:00
David Gibson
0b55aa91c9 spapr: Make DRC get_index and get_type methods into plain functions
These two methods only have one implementation, and the spec they're
implementing means any other implementation is unlikely, verging on
impossible.

So replace them with simple functions.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Tested-by: Daniel Barboza <danielhb@linux.vnet.ibm.com>
2017-06-06 08:53:24 +10:00