We can tell from the program interrupt code, whether a program interrupt
has to forward the address in the PGM new PSW
(suppressing/terminated/completed) to point at the next instruction, or
if it is nullifying and the PSW address does not have to be incremented.
So let's not modify the PSW address outside of the injection path and
handle this internally. We just have to handle instruction length
auto detection if no valid instruction length can be provided.
This should fix various program interrupt injection paths, where the
PSW was not properly forwarded.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170609142156.18767-3-david@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170609142156.18767-2-david@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
* vITS: Support save/restore
* timer/aspeed: Fix timer enablement when reload is not set
* aspped: add temperature sensor device
* timer.h: Provide better monotonic time on ARM hosts
* exynos4210: various cleanups
* exynos4210: support system poweroff
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20170613' into staging
target-arm queue:
* vITS: Support save/restore
* timer/aspeed: Fix timer enablement when reload is not set
* aspped: add temperature sensor device
* timer.h: Provide better monotonic time on ARM hosts
* exynos4210: various cleanups
* exynos4210: support system poweroff
# gpg: Signature made Tue 13 Jun 2017 15:05:49 BST
# gpg: using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg: aka "Peter Maydell <pmaydell@gmail.com>"
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20170613:
hw/intc/arm_gicv3_its: Allow save/restore
hw/intc/arm_gicv3_kvm: Implement pending table save
hw/intc/arm_gicv3_its: Implement state save/restore
kvm-all: Pass an error object to kvm_device_access
timer/aspeed: fix timer enablement when a reload is not set
aspeed: add a temp sensor device on I2C bus 3
hw/misc: add a TMP42{1, 2, 3} device model
timer.h: Provide better monotonic time
hw/misc/exynos4210_pmu: Add support for system poweroff
hw/intc/exynos4210_gic: Constify array of combiner interrupts
hw/arm/exynos: Use type define instead of hard-coded a9mpcore_priv string
hw/arm/exynos: Declare local variables in some order
hw/arm/exynos: Move DRAM initialization next boards
hw/timer/exynos4210_mct: Remove unused defines
hw/timer/exynos4210_mct: Cleanup indentation and empty new lines
hw/timer/exynos4210_mct: Fix checkpatch style errors
hw/intc/exynos4210_gic: Use more meaningful name for local variable
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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>
This patch adds the flush of the LPI pending bits into the
redistributor pending tables. This happens on VM stop.
There is no explicit restore as the tables are implicitly sync'ed
on ITS table restore and on LPI enable at redistributor level.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1497023553-18411-4-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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>
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>
When a timer is enabled before a reload value is set, the controller
waits for a reload value to be set before starting decrementing. This
fix tries to cover that case by changing the timer expiry only when
a reload value is valid.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1496739312-32304-1-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Temperatures can be changed from the monitor with :
(qemu) qom-set /machine/unattached/device[2] temperature0 12000
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1496739230-32109-3-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Largely inspired by the TMP105 temperature sensor, here is a model for
the TMP42{1,2,3} temperature sensors.
Specs can be found here :
http://www.ti.com/lit/gpn/tmp421
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1496739230-32109-2-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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>
On all Exynos-based boards, the system powers down itself by driving
PS_HOLD signal low - eight bit in PS_HOLD_CONTROL register of PMU.
Handle writing to respective PMU register to fix power off failure:
reboot: Power down
Unable to poweroff system
shutdown: 31 output lines suppressed due to ratelimiting
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000
CPU: 0 PID: 1 Comm: shutdown Not tainted 4.11.0-rc8 #846
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[<c031050c>] (unwind_backtrace) from [<c030ba6c>] (show_stack+0x10/0x14)
[<c030ba6c>] (show_stack) from [<c05b2800>] (dump_stack+0x88/0x9c)
[<c05b2800>] (dump_stack) from [<c03d3140>] (panic+0xdc/0x268)
[<c03d3140>] (panic) from [<c0343614>] (do_exit+0xa90/0xab4)
[<c0343614>] (do_exit) from [<c035f2dc>] (SyS_reboot+0x164/0x1d0)
[<c035f2dc>] (SyS_reboot) from [<c0307c80>] (ret_fast_syscall+0x0/0x3c)
Additionally the initial value of PS_HOLD has to be changed because
recent Linux kernel (v4.12-rc1) uses regmap cache for this access.
When the register is kept at reset value, the kernel will not issue a
write to it. Usually the bootloader sets the eight bit of PS_HOLD high
so mimic its existence here.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The static array of interrupt combiner mappings is not modified so it
can be made const for code safeness.
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>
Use a define for a9mpcore_priv device type name instead of hard-coded
string.
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>
Bring some more readability by declaring local function variables: first
initialized ones and then the rest (with reversed-christmas-tree order).
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>
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>
Remove defines not used anywhere.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Statements under 'case' were in some places wrongly indented bringing
confusion and making the code less readable. Remove also few unneeded
blank lines. No functional changes.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fix checkpatch errors:
1. ERROR: spaces required around that '+' (ctx:VxV)
2. ERROR: spaces required around that '&' (ctx:VxV)
No functional changes.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
There are to SysBusDevice variables in exynos4210_gic_realize()
function: one for the device itself and second for arm_gic device. Add
a prefix "gic" to the second one so it will be easier to understand the
code.
While at it, put local uninitialized 'i' variable at the end, next to
other uninitialized ones.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Commit 104fc30279 ("qmp: Drop duplicated
QMP command object checks") removed the call to
trace_handle_qmp_command() while eliminating code duplication.
This patch brings the trace event back so QEMU-internal trace events can
be correlated with the QMP commands that caused them.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170605104216.22429-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
It is often useful to correlate QEMU-internal events with monitor
commands that caused them. Trace the full HMP command being executed.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20170605104216.22429-2-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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>
Can happen with usb-storage devices: ehci_work_bh calls usb-storage,
usb-storage calls into block layer, block layer may run BHs.
Add a simple bool and just do nothing in case we figure ehci_work_bh is
active.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170612073109.25930-1-kraxel@redhat.com
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>
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>
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>
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>
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>
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>
All callers were calling migrate_get_current(), so do it inside the function.
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>
Merge them.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Once there, create populate_disk_info.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
--
- create populate_disk_info instead of "abusing" populate_ram_info
Assigning directly to *errp is not valid, as errp may be NULL,
&error_fatal, or &error_abort. Use error_propagate() instead.
Cc: Juan Quintela <quintela@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
There are some places that binded "return path" with postcopy. Let's be
prepared for its usage even without postcopy. This patch mainly did this
on source side.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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-----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>
The dequeue pointer should only be updated in case the transfer
is actually completed. If we update it for inflight transfers
we will not pick them up again after migration, which easily
triggers with HID devices as they typically have a pending
transfer, waiting for user input to happen.
Fixes: 243afe858b
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1451631
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Message-id: 20170608074122.32099-1-kraxel@redhat.com
In qemu_gluster_parse_json(), the call to qdict_array_entries()
could return a negative error code, which we were ignoring
because we assigned the result to an unsigned variable.
Fix this by using the 'int' type instead, which matches the
return type of qdict_array_entries() and also the type
we use for the loop enumeration variable 'i'.
(Spotted by Coverity, CID 1360960.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 1496682098-1540-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Jeff Cody <jcody@redhat.com>
In external_snapshot_abort(), we try to undo what was done in
external_snapshot_prepare() calling bdrv_replace_node() to swap the
nodes back. However, we receive a permissions error as writers are
blocked on the old node, which is now the new node backing file.
An easy fix (initially suggested by Kevin Wolf) is to call
bdrv_set_backing_hd() on the new node, to set the backing node to NULL.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
