For the v8M security extension, some exceptions must be banked
between security states. Add the new vecinfo array which holds
the state for the banked exceptions and migrate it if the
CPU the NVIC is attached to implements the security extension.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
now cpu_mips_init() reimplements subset of cpu_generic_init()
tasks, so just drop it and use cpu_generic_init() directly.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: use internal.h instead of cpu.h]
Tested-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
This timer is a required part of the MIPS32/MIPS64 System Control coprocessor
(CP0). Moving it with the other architecture related files will allow an opaque
use of CPUMIPSState* in the next commit (introduce "internal.h").
also remove it from 'user' targets, remove an unnecessary include.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
We should guarantee that RAM will not be modified while VM has a stopped
state, otherwise it can lead to negative consequences during post-copy
migration. In RUN_STATE_FINISH_MIGRATE step, it's expected that RAM on
source side will not be modified as this could lead to non-consistent vm state
on the destination side. Also RAM access during postcopy-ram migration with
enabled release-ram capability can lead to sad consequences.
Let's add enable_backend() callback to avoid undesirable virtioqueue changes
in the guest memory.
Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Message-Id: <20170919120733.22020-1-pbutsykin@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Enable it by default for the sparc64-softmmu configuration.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
When a MSI interrupt is bound to a guest using
xc_domain_update_msi_irq (XEN_DOMCTL_bind_pt_irq) the interrupt is
left masked by default.
This causes problems with guests that first configure interrupts and
clean the per-entry MSIX table mask bit and afterwards enable MSIX
globally. In such scenario the Xen internal msixtbl handlers would not
detect the unmasking of MSIX entries because vectors are not yet
registered since MSIX is not enabled, and vectors would be left
masked.
Introduce a new flag in the gflags field to signal Xen whether a MSI
interrupt should be unmasked after being bound.
This also requires to track the mask register for MSI interrupts, so
QEMU can also notify to Xen whether the MSI interrupt should be bound
masked or unmasked
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reported-by: Andreas Kinzler <hfp@posteo.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
g_malloc0_n is available since glib-2.24. To allow build with older glib
versions use the generic g_new0, which is already used in many other
places in the code.
Fixes commit 3284fad728 ("xen-disk: add support for multi-page shared rings")
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging
These patches fix regressions in 2.10
# gpg: Signature made Wed 20 Sep 2017 07:51:07 BST
# gpg: using DSA key 0x02FC3AEB0101DBC2
# gpg: Good signature from "Greg Kurz <groug@kaod.org>"
# gpg: aka "Greg Kurz <groug@free.fr>"
# gpg: aka "Greg Kurz <gkurz@linux.vnet.ibm.com>"
# gpg: aka "Gregory Kurz (Groug) <groug@free.fr>"
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# gpg: WARNING: This key is not certified with a trusted signature!
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# Primary key fingerprint: 2BD4 3B44 535E C0A7 9894 DBA2 02FC 3AEB 0101 DBC2
* remotes/gkurz/tags/for-upstream:
9pfs: check the size of transport buffer before marshaling
9pfs: fix name_to_path assertion in v9fs_complete_rename()
9pfs: fix readdir() for 9p2000.u
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging
Machine/CPU/NUMA queue, 2017-09-19
# gpg: Signature made Tue 19 Sep 2017 21:17:01 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/machine-next-pull-request:
MAINTAINERS: Update git URLs for my trees
hw/acpi-build: Fix SRAT memory building in case of node 0 without RAM
NUMA: Replace MAX_NODES with nb_numa_nodes in for loop
numa: cpu: calculate/set default node-ids after all -numa CLI options are parsed
arm: drop intermediate cpu_model -> cpu type parsing and use cpu type directly
pc: use generic cpu_model parsing
vl.c: convert cpu_model to cpu type and set of global properties before machine_init()
cpu: make cpu_generic_init() abort QEMU on error
qom: cpus: split cpu_generic_init() on feature parsing and cpu creation parts
hostmem-file: Add "discard-data" option
osdep: Define QEMU_MADV_REMOVE
vl: Clean up user-creatable objects when exiting
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
v9fs_do_readdir_with_stat() should check for a maximum buffer size
before an attempt to marshal gathered data. Otherwise, buffers assumed
as misconfigured and the transport would be broken.
The patch brings v9fs_do_readdir_with_stat() in conformity with
v9fs_do_readdir() behavior.
Signed-off-by: Jan Dakinevich <jan.dakinevich@gmail.com>
[groug, regression caused my commit 8d37de41ca # 2.10]
Signed-off-by: Greg Kurz <groug@kaod.org>
The third parameter of v9fs_co_name_to_path() must not contain `/'
character.
The issue is most likely related to 9p2000.u protocol only.
Signed-off-by: Jan Dakinevich <jan.dakinevich@gmail.com>
[groug, regression caused by commit f57f587857 # 2.10]
Signed-off-by: Greg Kurz <groug@kaod.org>
If the client is using 9p2000.u, the following occurs:
$ cd ${virtfs_shared_dir}
$ mkdir -p a/b/c
$ ls a/b
ls: cannot access 'a/b/a': No such file or directory
ls: cannot access 'a/b/b': No such file or directory
a b c
instead of the expected:
$ ls a/b
c
This is a regression introduced by commit f57f5878578a;
local_name_to_path() now resolves ".." and "." in paths,
and v9fs_do_readdir_with_stat()->stat_to_v9stat() then
copies the basename of the resulting path to the response.
With the example above, this means that "." and ".." are
turned into "b" and "a" respectively...
stat_to_v9stat() currently assumes it is passed a full
canonicalized path and uses it to do two different things:
1) to pass it to v9fs_co_readlink() in case the file is a symbolic
link
2) to set the name field of the V9fsStat structure to the basename
part of the given path
It only has two users: v9fs_stat() and v9fs_do_readdir_with_stat().
v9fs_stat() really needs 1) and 2) to be performed since it starts
with the full canonicalized path stored in the fid. It is different
for v9fs_do_readdir_with_stat() though because the name we want to
put into the V9fsStat structure is the d_name field of the dirent
actually (ie, we want to keep the "." and ".." special names). So,
we only need 1) in this case.
This patch hence adds a basename argument to stat_to_v9stat(), to
be used to set the name field of the V9fsStat structure, and moves
the basename logic to v9fs_stat().
Signed-off-by: Jan Dakinevich <jan.dakinevich@gmail.com>
(groug, renamed old name argument to path and updated changelog)
Signed-off-by: Greg Kurz <groug@kaod.org>
Currently, Using the fisrt node without memory on the machine makes
QEMU unhappy. With this example command line:
... \
-m 1024M,slots=4,maxmem=32G \
-numa node,nodeid=0 \
-numa node,mem=1024M,nodeid=1 \
-numa node,nodeid=2 \
-numa node,nodeid=3 \
Guest reports "No NUMA configuration found" and the NUMA topology is
wrong.
This is because when QEMU builds ACPI SRAT, it regards node 0 as the
default node to deal with the memory hole(640K-1M). this means the
node0 must have some memory(>1M), but, actually it can have no
memory.
Fix this problem by cut out the 640K hole in the same way the PCI
4G hole does.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Message-Id: <1504231805-30957-2-git-send-email-douly.fnst@cn.fujitsu.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Calculating default node-ids for CPUs in possible_cpu_arch_ids()
is rather fragile since defaults calculation uses nb_numa_nodes but
callback might be potentially called early before all -numa CLI
options are parsed, which would lead to cpus assigned only upto
nb_numa_nodes at the time possible_cpu_arch_ids() is called.
Issue was introduced by
(7c88e65 numa: mirror cpu to node mapping in MachineState::possible_cpus)
and for example CLI:
-smp 4 -numa node,cpus=0 -numa node
would set props.node-id in possible_cpus array for every non
explicitly mapped CPU to the first node.
Issue is not visible to guest nor to mgmt interface due to
1) implictly mapped cpus are forced to the first node in
case of partial mapping
2) in case of default mapping possible_cpu_arch_ids() is
called after all -numa options are parsed (resulting
in correct mapping).
However it's fragile to rely on late execution of
possible_cpu_arch_ids(), therefore add machine specific
callback that returns node-id for CPU and use it to calculate/
set defaults at machine_numa_finish_init() time when all -numa
options are parsed.
Reported-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1496314408-163972-1-git-send-email-imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Wire up the virtio-gpu device for the CCW bus. The virtio-gpu
is a virtio-1 device, so disable revision 0.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <6c53f939cf2d64b66d2a6878b29c9bf3820f3d5b.1505485574.git.alifm@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Virtio GPU code currently only supports litte endian format,
and so using the Virtio GPU device on a big endian machine
does not work.
Let's fix it by supporting the correct host cpu byte order.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Message-Id: <dc748e15f36db808f90b4f2393bc29ba7556a9f6.1505485574.git.alifm@linux.vnet.ibm.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
We have two stale comments suggesting one should think about virtio
config space endianness a bit longer. We have just done that, and came to
the conclusion we are fine as is: it's the responsibility of the virtio
device and not of the transport (and that is how it works now). Putting
the responsibility into the transport isn't even possible, because the
transport would have to know about the config space layout of each
device.
Let us remove the stale comments.
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20170914105535.47941-1-pasic@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This is the first step to allow hot plugging of CPUs in a non-sequential
order. If a cpu is available ("plugged") can directly be decided by
looking at the cpu state pointer.
This makes sure, that really only cpus attached to the machine are
reported.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-22-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Now that there is only one user of cpu_s390x_create() left, make cpu
creation look like on x86.
- Perform the model/properties split and checks in s390_init_cpus()
- Parse features only once without having to remember if already parsed
- Pass only the typename to s390x_new_cpu()
- Use the typename of an existing CPU for hotplug via cpu-add
Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-21-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Now that we have possible_cpus, we can get rid of the global variable
and rewrite s390_cpu_addr2state() to use it.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-20-david@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
CPU hotplug is only possible on a per core basis on s390x. So let's
add possible_cpus and wire everything up properly.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-19-david@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
device_del on a CPU will currently do nothing. Let's emit an error
telling that this is will currently not work (there is no architecture
support on s390x). Error message copied from ppc.
(qemu) device_del cpu1
device_del cpu1
CPU hot unplug not supported on this machine
Reviewed-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-18-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Some time ago we discussed that using "id" as property name is not the
right thing to do, as it is a reserved property for other devices and
will not work with device_add.
Switch to the term "core-id" instead, and use it as an equivalent to
"CPU address" mentioned in the PoP. There is no such thing as cpu number,
so rename env.cpu_num to env.core_id. We use "core-id" as this is the
common term to use for device_add later on (x86 and ppc).
We can get rid of cpu->id now. Keep cpu_index and env->core_id in sync.
cpu_index was already implicitly used by e.g. cpu_exists(), so keeping
both in sync seems to be the right thing to do.
cpu_index will now no longer automatically get set via
cpu_exec_realizefn(). For now, we were lucky that both implicitly stayed
in sync.
Our new cpu property "core-id" can be a static property. Range checks can
be avoided by using the correct type and the "setting after realized"
check is done implicitly.
device_add will later need the reserved "id" property. Hotplugging a CPU
on s390x will then be: "device_add host-s390-cpu,id=cpu2,core-id=2".
Reviewed-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-14-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Specifying more than 1 CPU (e.g. -smp 5) leads to SIGP errors (the
guest tries to bring these CPUs up but fails), because we don't support
multiple CPUs on s390x under TCG.
Let's bail out if more than 1 is specified, so we don't raise people's
hope.
Tested-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-12-david@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Implemented in hw/s390x/s390-virtio-hcall.c, so let's move it to the
right header file.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-6-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The only interface left, so let's properly rename it.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-5-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
It is a leftover from the days where we had still the !ccw virtio
machine. As this one is long gone, let's move everything to
s390-virtio-ccw.c.
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-4-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The case in question actually never happens. Let us get rid of the dead
code.
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Message-Id: <20170908152446.14606-4-pasic@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Back then in the time of df1fe5bb49 ("s390: Virtual channel subsystem
support.", 2013-01-24) -EIO used to map to a channel-program check (via
the default label of the switch statement). Then 2dc95b4cac
("s390x/3270: 3270 data stream handling", 2016-04-01) came along
and that changed dramatically.
Let us roll back this undesired side effect, and go back to
channel-program check.
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Fixes: 2dc95b4cac "s390x/3270: 3270 data stream handling"
Message-Id: <20170908152446.14606-3-pasic@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The architecture says that channel-data check is indicating that
an uncorrected storage (memory) error has been detected in regard
to the data residing in main storage (memory) that is currently
used for an I/O operation. The described detection is done using
the CBC technology.
The ccw interpretation code is however generating a channel-data check
effectively when the (device specific) ccw_cb returns -EFAULT. In case
of virtio-ccw devices this happens when mapping memory fails, or when a
NULL pointer is encountered. So this behavior is not architecture
conform.
Furthermore the best fit for these situations (null pointer, mapping a
piece of guest memory fails) from architectural perspective the condition
described as the channel subsystem refers to a location that is not
available, which when encountered shall result in a channel-program
check.
To fix this, all we have to do is to get rid of the switch case matching
-EFAULT: the default is generating a channel-program check.
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Message-Id: <20170908152446.14606-2-pasic@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The "slow" ivshmem-tests currently fail when they are running on a
big endian host:
$ uname -m
ppc64
$ V=1 QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 tests/ivshmem-test -m slow
/x86_64/ivshmem/single: OK
/x86_64/ivshmem/hotplug: OK
/x86_64/ivshmem/memdev: OK
/x86_64/ivshmem/pair: OK
/x86_64/ivshmem/server-msi: qemu-system-x86_64:
-device ivshmem-doorbell,chardev=chr0,vectors=2: server sent invalid ID message
Broken pipe
The problem is that the server side code in ivshmem_server_send_one_msg()
correctly translates all messages IDs into little endian 64-bit values,
but the client side code in the ivshmem_recv_msg() function does not swap
the byte order back. Fix it by passing the value through le64_to_cpu().
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1504100343-26607-1-git-send-email-thuth@redhat.com>
Tested-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Let's introduce iommu replay callback for s390 pci iommu memory region.
Currently we don't need any dma mapping replay. So let it return
directly. This implementation will avoid meaningless loops calling
translation callback.
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Message-Id: <1504606380-49341-4-git-send-email-zyimin@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
PCIDevice pointer has been a parameter of kvm_arch_fixup_msi_route().
So we don't need to store zpci idx in msix message data to find out the
specific zpci device. Instead, we could use pci device id to find its
corresponding zpci device.
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Message-Id: <1504606380-49341-2-git-send-email-zyimin@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The function ioinst_handle_xsch is presenting cc 2 when it's supposed to
present cc 1 and the other way around, because css_do_xsch has the error
codes mixed up. Because cc 1 has precedence over cc 2 we also have to
swap the two checks.
Let us fix this.
Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reported-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Message-Id: <20170831121828.85885-1-pasic@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Tidy up some of the warn_report() messages after having converted them
to use warn_report().
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <9cb1d23551898c9c9a5f84da6773e99871285120.1505158760.git.alistair.francis@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Convert all the multi-line uses of fprintf(stderr, "warning:"..."\n"...
to use warn_report() instead. This helps standardise on a single
method of printing warnings to the user.
All of the warnings were changed using these commands:
find ./* -type f -exec sed -i \
'N; {s|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig}' \
{} +
find ./* -type f -exec sed -i \
'N;N; {s|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig}' \
{} +
find ./* -type f -exec sed -i \
'N;N;N; {s|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig}' \
{} +
find ./* -type f -exec sed -i \
'N;N;N;N {s|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig}' \
{} +
find ./* -type f -exec sed -i \
'N;N;N;N;N {s|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig}' \
{} +
find ./* -type f -exec sed -i \
'N;N;N;N;N;N {s|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig}' \
{} +
find ./* -type f -exec sed -i \
'N;N;N;N;N;N;N; {s|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig}' \
{} +
Indentation fixed up manually afterwards.
Some of the lines were manually edited to reduce the line length to below
80 charecters. Some of the lines with newlines in the middle of the
string were also manually edit to avoid checkpatch errrors.
The #include lines were manually updated to allow the code to compile.
Several of the warning messages can be improved after this patch, to
keep this patch mechanical this has been moved into a later patch.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Yongbok Kim <yongbok.kim@imgtec.com>
Cc: Cornelia Huck <cohuck@redhat.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Jason Wang <jasowang@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <5def63849ca8f551630c6f2b45bcb1c482f765a6.1505158760.git.alistair.francis@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Convert all the single line uses of fprintf(stderr, "warning:"..."\n"...
to use warn_report() instead. This helps standardise on a single
method of printing warnings to the user.
All of the warnings were changed using this command:
find ./* -type f -exec sed -i \
's|fprintf(.*".*warning[,:] \(.*\)\\n"\(.*\));|warn_report("\1"\2);|Ig' \
{} +
Some of the lines were manually edited to reduce the line length to below
80 charecters.
The #include lines were manually updated to allow the code to compile.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Yongbok Kim <yongbok.kim@imgtec.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com> [mips]
Message-Id: <ae8f8a7f0a88ded61743dff2adade21f8122a9e7.1505158760.git.alistair.francis@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While loading kernel via multiboot-v1 image, (flags & 0x00010000)
indicates that multiboot header contains valid addresses to load
the kernel image. These addresses are used to compute kernel
size and kernel text offset in the OS image. Validate these
address values to avoid an OOB access issue.
This is CVE-2017-14167.
Reported-by: Thomas Garnier <thgarnie@google.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20170907063256.7418-1-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
SunOS defines ESP (x86 register) in <sys/regset.h> as 7.
This fixes build on SmartOS (Joyent).
Signed-off-by: Kamil Rytarowski <n54@gmx.com>
Message-Id: <20170909142116.26816-1-n54@gmx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
there are 2 use cases to deal with:
1: fixed CPU models per board/soc
2: boards with user configurable cpu_model and fallback to
default cpu_model if user hasn't specified one explicitly
For the 1st
drop intermediate cpu_model parsing and use const cpu type
directly, which replaces:
typename = object_class_get_name(
cpu_class_by_name(TYPE_ARM_CPU, cpu_model))
object_new(typename)
with
object_new(FOO_CPU_TYPE_NAME)
or
cpu_generic_init(BASE_CPU_TYPE, "my cpu model")
with
cpu_create(FOO_CPU_TYPE_NAME)
as result 1st use case doesn't have to invoke not necessary
translation and not needed code is removed.
For the 2nd
1: set default cpu type with MachineClass::default_cpu_type and
2: use generic cpu_model parsing that done before machine_init()
is run and:
2.1: drop custom cpu_model parsing where pattern is:
typename = object_class_get_name(
cpu_class_by_name(TYPE_ARM_CPU, cpu_model))
[parse_features(typename, cpu_model, &err) ]
2.2: or replace cpu_generic_init() which does what
2.1 does + create_cpu(typename) with just
create_cpu(machine->cpu_type)
as result cpu_name -> cpu_type translation is done using
generic machine code one including parsing optional features
if supported/present (removes a bunch of duplicated cpu_model
parsing code) and default cpu type is defined in an uniform way
within machine_class_init callbacks instead of adhoc places
in boadr's machine_init code.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1505318697-77161-6-git-send-email-imammedo@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
define default CPU type in generic way in pc_machine_class_init()
and let common machine code to handle cpu_model parsing
Patch also introduces TARGET_DEFAULT_CPU_TYPE define for 2 purposes:
* make foo_machine_class_init() look uniform on every target
* use define in [bsd|linux]-user targets to pick default
cpu type
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1505318697-77161-5-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Almost every user of cpu_generic_init() checks for
returned NULL and then reports failure in a custom way
and aborts process.
Some users assume that call can't fail and don't check
for failure, though they should have checked for it.
In either cases cpu_generic_init() failure is fatal,
so instead of checking for failure and reporting
it various ways, make cpu_generic_init() report
errors in consistent way and terminate QEMU on failure.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1505318697-77161-3-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Complete the transition by renaming this header, which was
shared by block/iscsi.c and the SCSI emulation code.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move more knowledge of SG_IO out of hw/scsi/scsi-generic.c, for
reusability.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move more knowledge of sense data format out of hw/scsi/scsi-bus.c
for reusability.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
util/scsi.c includes some SCSI code that is shared by block/iscsi.c and
hw/scsi, but the introduction of the persistent reservation helper
will add many more instances of this. There is also include/block/scsi.h,
which actually is not part of the core block layer.
The persistent reservation manager will also need a home. A scsi/
directory provides one for both the aforementioned shared code and
the PR manager code.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
After introducing the scsi/ subdirectory, there will be a scsi_build_sense
function that is the same as scsi_req_build_sense but without needing
a SCSIRequest. The existing scsi_build_sense function gets in the way,
remove it.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This makes the werror/rerror options available on the scsi-block device,
to allow user specify error handling policy similar to scsi-hd.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170821141008.19383-5-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
According to SPC-3 INQUIRY and REQUEST SENSE should return GOOD
even on unsupported LUNS.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Message-Id: <1503049022-14749-1-git-send-email-hare@suse.de>
Reported-by: Laszlo Ersek <lersek@redhat.com>
Fixes: ded6ddc5a7
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Since Linux switched to blk-mq as the default in Linux commit
5c279bd9e406 ("scsi: default to scsi-mq"), virtio-scsi LUNs consume
about 10x as much guest kernel memory.
This commit allows you to choose the virtqueue size for each
virtio-scsi-pci controller like this:
-device virtio-scsi-pci,id=scsi,virtqueue_size=16
The default is still 128 as before. Using smaller virtqueue_size
allows many more disks to be added to small memory virtual machines.
For a 1 vCPU, 500 MB, no swap VM I observed:
With scsi-mq enabled (upstream kernel): 175 disks
-"- ditto -"- virtqueue_size=64: 318 disks
-"- ditto -"- virtqueue_size=16: 775 disks
With scsi-mq disabled (kernel before 5c279bd9e406): 1755 disks
Note that to have any effect, this requires a kernel patch:
https://lkml.org/lkml/2017/8/10/689
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Message-Id: <20170810165255.20865-1-rjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Convert floppy_drive_init() to realize and rename it to
floppy_drive_realize().
Cc: John Snow <jsnow@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 87119b34f32e2acf7166165fb5d8e6fca787b3bc.1505737465.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: John Snow <jsnow@redhat.com>
Replace init with realize in IDEDeviceClass, which has errp
as a parameter. So all the implementations now use error_setg
instead of error_report for reporting error.
Cc: John Snow <jsnow@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: c4d27b4b5d9e37468e63e35214ce4833ca271542.1505737465.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-10-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
The current FIS printing routines dump the FIS to screen. adjust this
such that it dumps to buffer instead, then use this ability to have
FIS dump mechanisms via trace-events instead of compiled defines.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170901001502.29915-9-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Create a new enum so that we can name the IRQ bits, which will make debugging
them a little nicer if we can print them out. Not handled in this patch, but
this will make it possible to get a nice debug printf detailing exactly which
status bits are set, as it can be multiple at any given time.
As a consequence of this patch, it is no longer possible to set multiple IRQ
codes at once, but nothing was utilizing this ability anyway.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-8-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
There are a few hangers-on that will be dealt with individually
in forthcoming patches.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-7-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170901001502.29915-6-jsnow@redhat.com
[Edited enum conditional for Clang --js]
Signed-off-by: John Snow <jsnow@redhat.com>
As part of the ongoing effort to modernize the tracing facilities for
the IDE family of devices, remove PRINTFs in the ATAPI device with
actual tracing events.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170901001502.29915-5-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
To be used sparingly, but still interesting in the case of small
firmwares designed to reproduce bugs in QEMU IDE.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Name the registers for tracing purposes.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Remove the DEBUG_IDE preprocessor definition with something more
appropriately flexible, using the trace-events subsystem.
This will be less prone to bitrot and will more effectively allow
us to target just the functions we care about.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
QEMU currently aborts with an assertion message when the user is trying
to remove a dscm1xxxx again:
$ aarch64-softmmu/qemu-system-aarch64 -S -M integratorcp -nographic
QEMU 2.9.93 monitor - type 'help' for more information
(qemu) device_add dscm1xxxx,id=xyz
(qemu) device_del xyz
**
ERROR:qemu/qdev-monitor.c:872:qdev_unplug: assertion failed: (hotplug_ctrl)
Aborted (core dumped)
Looks like this device has to be wired up in code and is not meant
to be hot-pluggable, so let's mark it with user_creatable = false.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1503543783-17192-1-git-send-email-thuth@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Fixes read after freeing error reported
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg04243.html
Message-Id: <59a56959-ca12-ea75-33fa-ff07eba1b090@redhat.com>
ich9-ahci device creates ide buses and attaches them as QOM children
at realize time, however it forgets to properly clean them up
at unrealize time and frees memory containing these children,
with following call-chain:
qdev_device_add()
object_property_set_bool('realized', true)
device_set_realized()
...
pci_qdev_realize() -> pci_ich9_ahci_realize() -> ahci_realize()
...
s->dev = g_new0(AHCIDevice, ports);
...
AHCIDevice *ad = &s->dev[i];
ide_bus_new(&ad->port, sizeof(ad->port), qdev, i, 1);
^^^ creates bus in memory allocated by above gnew()
and adds it as child propety to ahci device
...
hotplug_handler_plug(); -> goto post_realize_fail;
pci_qdev_unrealize() -> pci_ich9_uninit() -> ahci_uninit()
...
g_free(s->dev);
^^^ free memory that holds children busses
return with error from device_set_realized()
As result later when qdev_device_add() tries to unparent ich9-ahci
after failed device_set_realized(),
object_unparent() -> object_property_del_child()
iterates over existing QOM children including buses added by
ide_bus_new() and tries to unparent them, which causes access to
freed memory where they where located.
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1503938085-169486-1-git-send-email-imammedo@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
intel-hda is currently using the old_mmio accessors for io.
This updates the device to use .read and .write accessors instead.
Signed-off-by: Matt Parker <mtparkr@gmail.com>
Message-id: 20170827192038.28930-1-mtparkr@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Here's the current batch of accumulated ppc patches. These are all
pretty simple bugfixes or cleanups, no big new features here.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.11-20170915' into staging
ppc patch queue 2017-09-15
Here's the current batch of accumulated ppc patches. These are all
pretty simple bugfixes or cleanups, no big new features here.
# gpg: Signature made Fri 15 Sep 2017 04:50:00 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-2.11-20170915:
ppc/kvm: use kvm_vm_check_extension() in kvmppc_is_pr()
spapr_events: use QTAILQ_FOREACH_SAFE() in spapr_clear_pending_events()
spapr_cpu_core: cleaning up qdev_get_machine() calls
spapr_pci: don't create 64-bit MMIO window if we don't need to
spapr_pci: convert sprintf() to g_strdup_printf()
spapr_cpu_core: fail gracefully with non-pseries machine types
xics: fix several error leaks
vfio, spapr: Fix levels calculation
spapr_pci: handle FDT creation errors with _FDT()
spapr_pci: use the common _FDT() helper
spapr: fix CAS-generated reset
ppc/xive: fix OV5_XIVE_EXPLOIT bits
spapr: only update SDR1 once per-cpu during CAS
spapr_pci: use g_strdup_printf()
spapr_pci: drop useless check in spapr_populate_pci_child_dt()
spapr_pci: drop useless check in spapr_phb_vfio_get_loc_code()
hw/ppc/spapr.c: cleaning up qdev_get_machine() calls
net: Add SunGEM device emulation as found on Apple UniNorth
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
QTAILQ_FOREACH_SAFE() must be used when removing the current element
inside the loop block.
This fixes a user-after-free error introduced by commit 5625817423
and reported by Coverity (CID 1381017).
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch removes the qdev_get_machine() calls that are made
in spapr_cpu_core.c in situations where we can get an existing
pointer for the MachineState by either passing it as an argument
to the function or by using other already available pointers.
Credits to Daniel Henrique Barboza for the idea and the changelog
text.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When running a pseries-2.2 or older machine type, we get the following
lines in info mtree:
address-space: memory
...
ffffffffffffffff-ffffffffffffffff (prio 0, i/o): alias
pci@800000020000000.mmio64-alias @pci@800000020000000.mmio
ffffffffffffffff-ffffffffffffffff
address-space: cpu-memory
...
ffffffffffffffff-ffffffffffffffff (prio 0, i/o): alias
pci@800000020000000.mmio64-alias @pci@800000020000000.mmio
ffffffffffffffff-ffffffffffffffff
The same thing occurs when running a pseries-2.7 with
-global spapr-pci-host-bridge.mem_win_size=2147483648
This happens because we always create a 64-bit MMIO window, even if
we didn't explicitely requested it (ie, mem64_win_size == 0) and the
32-bit window is below 2GiB. It doesn't seem to have an impact on the
guest though because spapr_populate_pci_dt() doesn't advertise the
bogus windows when mem64_win_size == 0.
Since these memory regions don't induce any state, we can safely
choose to not create them when their address is equal to -1,
without breaking migration from existing setups.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Since commit 7cca3e466e ("ppc: spapr: Move VCPU ID calculation into
sPAPR"), QEMU aborts when started with a *-spapr-cpu-core device and
a non-pseries machine.
Let's rely on the already existing call to object_dynamic_cast() instead
of using the SPAPR_MACHINE() macro.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
If object_property_get_link() fails then it allocates an error, which
must be freed before returning. The error_get_pretty() function is
merely an accessor to the error message and doesn't free anything.
The error.h header indicates how to do it right:
* Pass an existing error to the caller with the message modified:
* error_propagate(errp, err);
* error_prepend(errp, "Could not frobnicate '%s': ", name);
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The existing tries to round up the number of pages but @pages is always
calculated as the rounded up value minus one which makes ctz64() always
return 0 and have create.levels always set 1.
This removes wrong "-1" and allows having more than 1 levels. This becomes
handy for >128GB guests with standard 64K pages as this requires blocks
with zone order 9 and the popular limit of CONFIG_FORCE_MAX_ZONEORDER=9
means that only blocks up to order 8 are allowed.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
libfdt failures when creating the FDT should cause QEMU to terminate.
Let's use the _FDT() macro which does just that instead of propagating
the error to the caller. spapr_populate_pci_child_dt() no longer needs
to return a value in this case.
Note that, on the way, this get rids of the following nonsensical lines:
g_assert(!ret);
if (ret) {
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
All other users in hw/ppc already consider an error when building
the FDT to be fatal, even on hotplug paths. There's no valid reason
for spapr_pci to behave differently. So let's used the common _FDT()
helper which terminates QEMU when libfdt fails.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The OV5_MMU_RADIX_300 requires special handling in the CAS negotiation
process. It is cleared from the option vector of the guest before
evaluating the changes and re-added later. But, when testing for a
possible CAS reset :
spapr->cas_reboot = spapr_ovec_diff(ov5_updates,
ov5_cas_old, spapr->ov5_cas);
the bit OV5_MMU_RADIX_300 will each time be seen as removed from the
previous OV5 set, hence generating a reset loop.
Fix this problem by also clearing the same bit in the ov5_cas_old set.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
On POWER9, the Client Architecture Support (CAS) negotiation process
determines whether the guest operates in XIVE Legacy compatibility or
in XIVE exploitation mode. Now that we have initial guest support for
the XIVE interrupt controller, let's fix the bits definition which have
evolved in the latest specs.
The platform advertises the XIVE Exploitation Mode support using the
property "ibm,arch-vec-5-platform-support-vec-5", byte 23 bits 0-1 :
- 0b00 XIVE legacy mode Only
- 0b01 XIVE exploitation mode Only
- 0b10 XIVE legacy or exploitation mode
The OS asks for XIVE Exploitation Mode support using the property
"ibm,architecture-vec-5", byte 23 bits 0-1:
- 0b00 XIVE legacy mode Only
- 0b01 XIVE exploitation mode Only
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Commit b55d295e3e added the possibility to support HPT resizing with KVM.
In the case of PR, we need to pass the userspace address of the HPT to KVM
using the SDR1 slot.
This is handled by kvmppc_update_sdr1() which uses CPU_FOREACH() to update
all CPUs. It is hence not needed to call kvmppc_update_sdr1() for each CPU.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Building strings with g_strdup_printf() instead of snprintf() is
a QEMU common practice.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
spapr_phb_get_loc_code() either returns a non-null pointer, or aborts
if g_strdup_printf() failed to allocate memory.
Signed-off-by: Greg Kurz <groug@kaod.org>
[dwg: Grammatical fix to commit message]
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
g_strdup_printf() either returns a non-null pointer, or aborts if it
failed to allocate memory.
Signed-off-by: Greg Kurz <groug@kaod.org>
[dwg: Grammatical fix to commit message]
Acked-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch removes the qdev_get_machine() calls that are made in
spapr.c in situations where we can get an existing pointer for
the MachineState by either passing it as an argument to the function
or by using other already available pointers.
The following changes were made:
- spapr_node0_size: static function that is called two times:
at spapr_setup_hpt_and_vrma and ppc_spapr_init. In both cases we can
pass an existing MachineState pointer to it.
- spapr_build_fdt: MachineState pointer can be retrieved from
the existing sPAPRMachineState pointer.
- spapr_boot_set: the opaque in the first arg is a sPAPRMachineState
pointer as we can see inside ppc_spapr_init:
qemu_register_boot_set(spapr_boot_set, spapr);
We can get a MachineState pointer from it.
- spapr_machine_device_plug and spapr_machine_device_unplug_request: the
MachineState, sPAPRMachineState, MachineClass and sPAPRMachineClass pointers
can all be retrieved from the HotplugHandler pointer.
Signed-off-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This adds a simplistic emulation of the Sun GEM ethernet controller
found in Apple ASICs.
Currently we only support the Apple UniNorth 1.x variant, but the
other Apple or Sun variants should mostly be a matter of adding
PCI IDs options.
We have a very primitive emulation of a single Broadcom 5201 PHY
which is supported by the MacOS driver.
This model brings out-of-the-box networking to MacOS 9, and all
versions of OS X I tried with the mac99 platform.
Further improvements from Mark:
- Remove sungem.h file, moving constants into sungem.c as required
- Switch to using tracepoints for debugging
- Split register blocks into separate memory regions
- Use arrays in SunGEMState to hold register values
- Add state-saving support
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Fix an error that meant we were wiring every UART's overflow
interrupts into the same inputs 0 and 1 of the OR gate,
rather than giving each its own input.
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1505232834-20890-1-git-send-email-peter.maydell@linaro.org
Now we are able to retrieve the gsi from the INTx pin, let's
enable intx_to_irq routing. From that point on, irqfd becomes
usable along with INTx when assigning a PCIe device.
Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Tested-by: Feng Kan <fkan@apm.com>
Message-id: 1505296004-6798-4-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Let's provide the GPEX host bridge with the INTx/gsi mapping. This is
needed for INTx/gsi routing.
Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Tested-by: Feng Kan <fkan@apm.com>
Message-id: 1505296004-6798-3-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
To implement INTx to gsi routing we need to pass the gpex host
bridge the gsi associated to each INTx index. Let's introduce
irq_num array and gpex_set_irq_num setter function.
Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Feng Kan <fkan@apm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 1505296004-6798-2-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The EP108 is the same as the ZCU102, mark it as deprecated as we don't
need two machines.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a machine level virtualization property. This defaults to false and can be
set to true using this machine command line argument:
-machine xlnx-zcu102,virtualization=on
This follows what the ARM virt machine does.
This property only applies to the ZCU102 machine. The EP108 machine does
not have this property.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a machine level secure property. This defaults to false and can be
set to true using this machine command line argument:
-machine xlnx-zcu102,secure=on
This follows what the ARM virt machine does.
This property only applies to the ZCU102 machine. The EP108 machine does
not have this property.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In preperation for future work let's manually create the Xilnx machines.
This will allow us to set properties for the machines in the future.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The EP108 is a early access development board. Now that silicon is in
production people have access to the ZCU102. Let's rename the internal
QEMU files and variables to use the ZCU102.
There is no functional change here as the EP108 is still a valid board
option.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In several places we were unconditionally applying the
nvic_gprio_mask() to a priority value. This is incorrect
if the priority is one of the fixed negative priority
values (for NMI and HardFault), so don't do it.
This bug would have caused both NMI and HardFault to be
considered as the same priority and so NMI wouldn't
correctly preempt HardFault.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 1505137930-13255-5-git-send-email-peter.maydell@linaro.org
Add a new query-memory-size-summary command which provides the
following memory information in bytes:
* base-memory - size of "base" memory specified with command line option -m.
* plugged-memory - amount of memory that was hot-plugged.
If target does not have CONFIG_MEM_HOTPLUG enabled, no
value is reported.
Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com>
Signed-off-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
Signed-off-by: Vadim Galitsyn <vadim.galitsyn@profitbricks.com>
Reviewed-by: Eugene Crosser <evgenii.cherkashin@profitbricks.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: qemu-devel@nongnu.org
Message-Id: <20170829153022.27004-3-vadim.galitsyn@profitbricks.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixup comments as per Igor's review
Added 'of' from Vadim's reply
Nowdays we use libusb for usb-host, so we don't have different code
for linux vs. bsd any more. So there is little reason to have the
HOST_USB variable, we can just write things directly into the Makefile
and avoid a pointless indirection.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20170908111217.21985-2-kraxel@redhat.com
The existing XHCI code reads the Event Ring Segment Table Base Address
Register (ERSTBA) every time when it is changed. However zero is its
default state so one would think that zero there means it is not in use.
This adds a check for ERSTBA in addition to the existing check for
the Event Ring Segment Table Size Register (ERSTSZ).
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-id: 20170911065606.40600-1-aik@ozlabs.ru
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Don't reset window layout information (passed via virtio_gpu_ui_info) on
device reset, so the user interface window layout will be kept intact
over reboots. The head size and position was commented out already, so
this patch just drops the dead code. Additionally the enabled head mask
must be kept so multihead setups work properly too.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1460595
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170906142058.2460-1-kraxel@redhat.com
A bunch of stuff that was posted before the 2.10 timeframe,
mostly fixes/cleanups. New PCI bridges.
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, virtio: patches queued before 2.10
A bunch of stuff that was posted before the 2.10 timeframe,
mostly fixes/cleanups. New PCI bridges.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 08 Sep 2017 14:15:34 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:
fw_cfg: rename read callback
pci: add reserved slot check to do_pci_register_device()
pci: move check for existing devfn into new pci_bus_devfn_available() helper
vmgenid: replace x-write-pointer-available hack
vhost-user-bridge: fix resume regression (since 2.9)
libvhost-user: support resuming vq->last_avail_idx based on used_idx
acpi/vmgenid: change device category to misc
intel_iommu: fix missing BQL in pt fast path
docs: update documentation considering PCIE-PCI bridge
hw/pci: add QEMU-specific PCI capability to the Generic PCI Express Root Port
hw/pci: introduce bridge-only vendor-specific capability to provide some hints to firmware
hw/pci: introduce pcie-pci-bridge device
Revert "ACPI: don't call acpi_pcihp_device_plug_cb on xen"
hw/acpi: Move acpi_set_pci_info to pcihp
hw/acpi: Limit hotplug to root bus on legacy mode
pc: add 2.11 machine types
vhost: Release memory references on cleanup
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is the first batch of ppc related patches for qemu-2.11, and it's
accumulated quite a few things. Includes:
* A cleanup to handling of ppc cpu models from Igor
* First parts of fixes to handling of guest vs. host SMT modes from
Sam Bobroff
* Preliminary patches towards supporting the Sam460 board from
Balaton Zoltan
* Several fixes for hotplug logic
* Assorted other fixes and cleanups
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.11-20170908' into staging
ppc patch queue 2017-09-08
This is the first batch of ppc related patches for qemu-2.11, and it's
accumulated quite a few things. Includes:
* A cleanup to handling of ppc cpu models from Igor
* First parts of fixes to handling of guest vs. host SMT modes from
Sam Bobroff
* Preliminary patches towards supporting the Sam460 board from
Balaton Zoltan
* Several fixes for hotplug logic
* Assorted other fixes and cleanups
# gpg: Signature made Fri 08 Sep 2017 06:28:42 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-2.11-20170908: (40 commits)
ppc: spapr: Move VCPU ID calculation into sPAPR
ppc: remove non implemented cpu models
ppc: drop caching ObjectClass from PowerPCCPUAlias
ppc: simplify cpu model lookup by PVR
ppc: replace inter-function cyclic dependency/recurssion with 2 simple lookups
ppc: make cpu alias point only to real cpu models
ppc: make cpu_model translation to type consistent
ppc: use macros to make cpu type name from string literal
target/ppc: Remove old STATUS file
PPC: KVM: Support machine option to set VSMT mode
spapr: fallback to raw mode if best compat mode cannot be set during CAS
hw/nvram/spapr_nvram: Device can not be created by the users
hw/ppc/spapr_cpu_core: Add a proper check for spapr machine
ppc4xx: Export ECB and PLB emulation
ppc4xx_i2c: Move to hw/i2c
ppc4xx_i2c: QOMify
ppc4xx: Split off 4xx I2C emulation from ppc405_uc to its own file
ppc4xx: Make MAL emulation more generic
ppc4xx: Move MAL from ppc405_uc to ppc4xx_devs
spapr_iommu: Realloc guest visible TCE table when hot(un)plugging vfio-pci
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The callback is called on select.
Furthermore, the next patch introduced a new callback, so rename the
function type with a generic name.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add a new slot_reserved_mask bitmask to PCIBus indicating whether or not each
PCI slot on the bus is reserved. Ensure that it is initialised to zero to
maintain the existing behaviour that all slots are available by default, and
add the additional check with appropriate error reporting to
do_pci_register_device().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Also touch up the logic in do_pci_register_device() accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This compat property sole function is to prevent the device from being
instantiated. Instead of requiring an extra compat property, check if
fw_cfg has DMA enabled.
fw_cfg is a built-in device that is initialized very early by the
machine init code. We have at least one other device that also
assumes fw_cfg_find() can be safely used on realize: pvpanic.
This has the additional benefit of handling other cases properly, like:
$ qemu-system-x86_64 -device vmgenid -machine none
qemu-system-x86_64: -device vmgenid: vmgenid requires DMA write support in fw_cfg, which this machine type does not provide
$ qemu-system-x86_64 -device vmgenid -machine pc-i440fx-2.9 -global fw_cfg.dma_enabled=off
qemu-system-x86_64: -device vmgenid: vmgenid requires DMA write support in fw_cfg, which this machine type does not provide
$ qemu-system-x86_64 -device vmgenid -machine pc-i440fx-2.6 -global fw_cfg.dma_enabled=on
[boots normally]
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Ben Warren <ben@skyportsystems.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Moved vmgenid from uncategorized to misc category in QEMU help menu
Signed-off-by: Yoni Bettan <ybettan@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In vtd_switch_address_space() we did the memory region switch, however
it's possible that the caller of it has not taken the BQL at all. Make
sure we have it.
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
To enable hotplugging of a newly created pcie-pci-bridge,
we need to tell firmware (e.g. SeaBIOS) to reserve
additional buses or IO/MEM/PREF space for pcie-root-port.
Additional bus reservation allows us to hotplug pcie-pci-bridge into this root port.
The number of buses and IO/MEM/PREF space to reserve are provided to the device via
a corresponding property, and to the firmware via new PCI capability.
The properties' default values are -1 to keep default behavior unchanged.
Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
On PCI init PCI bridges may need some extra info about bus number,
IO, memory and prefetchable memory to reserve. QEMU can provide this
with a special vendor-specific PCI capability.
Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Introduce a new PCIExpress-to-PCI Bridge device,
which is a hot-pluggable PCI Express device and
supports devices hot-plug with SHPC.
This device is intended to replace the DMI-to-PCI Bridge.
Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts commit 153eba4726.
This patch prevents PCI passthrough hotplug on Xen. Even if the Xen tool
stack prepares its own ACPI tables, we still rely on QEMU for hotplug
ACPI notifications.
The original issue is fixed by the two previous patch:
hw/acpi: Limit hotplug to root bus on legacy mode
hw/acpi: Move acpi_set_pci_info to pcihp
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
HW part of ACPI PCI hotplug in QEMU depends on ACPI_PCIHP_PROP_BSEL
being set on a PCI bus that supports ACPI hotplug. It should work
regardless of the source of ACPI tables (QEMU generator/legacy SeaBIOS/Xen).
So move ACPI_PCIHP_PROP_BSEL initialization into HW ACPI implementation
part from QEMU's ACPI table generator.
To do PCI passthrough with Xen, the property ACPI_PCIHP_PROP_BSEL needs
to be set, but this was done only when ACPI tables are built which is
not needed for a Xen guest. The need for the property starts with commit
"pc: pcihp: avoid adding ACPI_PCIHP_PROP_BSEL twice"
(f0c9d64a68).
Adding find_i440fx into stubs so that mips-softmmu target can be built.
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
vhost registers a MemoryListener where it adds and removes references
to MemoryRegions as the MemoryRegionSections pass through. The
region_add callback is invoked for each existing section when the
MemoryListener is registered, but unregistering the MemoryListener
performs no reciprocal region_del callback. It's therefore the
owner of the MemoryListener's responsibility to cleanup any persistent
changes, such as these memory references, after unregistering.
The consequence of this bug is that if we have both a vhost device
and a vfio device, the vhost device will reference any mmap'd MMIO of
the vfio device via this MemoryListener. If the vhost device is then
removed, those references remain outstanding. If we then attempt to
remove the vfio device, it never gets finalized and the only way to
release the kernel file descriptors is to terminate the QEMU process.
Fixes: dfde4e6e1a ("memory: add ref/unref calls")
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org # v1.6.0+
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
SunOS defines SEC in <sys/time.h> as 1 (commonly used time symbols).
This fixes build on SmartOS (Joyent).
Patch cherry-picked from pkgsrc by jperkin (Joyent).
Signed-off-by: Kamil Rytarowski <n54@gmx.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Both io and memory use the same mmio functions in the rtl8139 device.
This patch removes the separate MemoryRegionOps and old_mmio accessors
for memory, and replaces it with an alias to the io memory region.
Signed-off-by: Matt Parker <mtparkr@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The rocker device still implements the old PCIDeviceClass .init()
instead of the new .realize(). All devices need to be converted to
.realize().
.init() reports errors with fprintf() and return 0 on success, negative
number on failure. Meanwhile, when -device rocker fails, it first report
a specific error, then a generic one, like this:
$ x86_64-softmmu/qemu-system-x86_64 -device rocker,name=qemu-rocker
rocker: name too long; please shorten to at most 9 chars
qemu-system-x86_64: -device rocker,name=qemu-rocker: Device initialization failed
Now, convert it to .realize() that passes errors to its callers via its
errp argument. Also avoid the superfluous second error message. After
the patch, effect like this:
$ x86_64-softmmu/qemu-system-x86_64 -device rocker,name=qemu-rocker
qemu-system-x86_64: -device rocker,name=qemu-rocker: name too long; please shorten to at most 9 chars
Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
pci_rocker_init() leaks a World when the name more than 9 chars,
then return a negative value directly, doesn't make a correct
cleanup. So add a new goto label to fix it.
Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Memory allocation functions like world_alloc, desc_ring_alloc etc,
they are all wrappers around g_malloc, g_new etc. But g_malloc and
similar functions doesn't return null. Because they ignore the fact
that g_malloc() of 0 bytes returns null. So error checks for these
allocation failure are superfluous. Now, remove them entirely.
Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Move the calculation of a CPU's VCPU ID out of the generic PPC code
(ppc_cpu_realizefn()) and into sPAPR specific code
(spapr_cpu_core_realize()) where it belongs.
Unfortunately, due to the way things are ordered, we still need to
default the VCPU ID in ppc_cpu_realizfn() but at least doing that
doesn't require any interaction with sPAPR.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
PPC handles -cpu FOO rather incosistently,
i.e. it does case-insensitive matching of FOO to
a CPU type (see: ppc_cpu_compare_class_name) but
handles alias names as case-sensitive, as result:
# qemu-system-ppc64 -M mac99 -cpu g3
qemu-system-ppc64: unable to find CPU model ' kN�U'
# qemu-system-ppc64 -cpu 970MP_V1.1
qemu-system-ppc64: Unable to find sPAPR CPU Core definition
while
# qemu-system-ppc64 -M mac99 -cpu G3
# qemu-system-ppc64 -cpu 970MP_v1.1
start up just fine.
Considering we can't take case-insensitive matching away,
make it case-insensitive for all alias/type/core_type
lookups.
As side effect it allows to remove duplicate core types
which are the same except of using different cased letters in name.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
KVM now allows writing to KVM_CAP_PPC_SMT which has previously been
read only. Doing so causes KVM to act, for that VM, as if the host's
SMT mode was the given value. This is particularly important on Power
9 systems because their default value is 1, but they are able to
support values up to 8.
This patch introduces a way to control this capability via a new
machine property called VSMT ("Virtual SMT"). If the value is not set
on the command line a default is chosen that is, when possible,
compatible with legacy systems.
Note that the intialization of KVM_CAP_PPC_SMT has changed slightly
because it has changed (in KVM) from a global capability to a
VM-specific one. This won't cause a problem on older KVMs because VM
capabilities fall back to global ones.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
KVM PR doesn't allow to set a compat mode. This causes ppc_set_compat_all()
to fail and we return H_HARDWARE to the guest right away.
This is excessive: even if we favor compat mode since commit 152ef803ce,
we should at least fallback to raw mode if the guest supports it.
This patch modifies cas_check_pvr() so that it also reports that the real
PVR was found in the table supplied by the guest. Note that this is only
makes sense if raw mode isn't explicitely disabled (ie, the user didn't
set the machine "max-cpu-compat" property). If this is the case, we can
simply ignore ppc_set_compat_all() failures, and let the guest run in raw
mode.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Trying to add a spapr-nvram device currently aborts QEMU like this:
$ ppc64-softmmu/qemu-system-ppc64 -device spapr-nvram
qemu-system-ppc64: hw/ppc/spapr_rtas.c:407: spapr_rtas_register:
Assertion `!rtas_table[token].name' failed.
Aborted (core dumped)
This NVRAM device registers RTAS calls during its realize function
and thus can only be used once - and that's internally from spapr.c.
So let's mark the device with user_creatable = false to avoid that
the users can crash their QEMU this way.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
QEMU currently crashes when the user tries to add a spapr-cpu-core
on a non-pseries machine:
$ qemu-system-ppc64 -S -machine ppce500,accel=tcg \
-device POWER5+_v2.1-spapr-cpu-core
hw/ppc/spapr_cpu_core.c:178:spapr_cpu_core_realize_child:
Object 0x55cee1f55160 is not an instance of type spapr-machine
Aborted (core dumped)
So let's add a proper check for the correct machine time with
a more friendly error message here.
Reported-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Make these device models available outside ppc405_uc.c for reuse in
460EX emulation. They are left in their current place for now because
they are used mostly unchanged and I'm not sure these correctly model
the components in 440 SoCs (but they seem to be good enough). These
functions could be moved in a subsequent clean up series when this is
confirmed.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This device appears in other SoCs as well not just in 405 ones and
subsequent patches will modify it, so move it out of ppc405_uc.c in
preparation
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Allow MAL with more RX and TX channels as found in newer versions.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This device appears in other SoCs as well not just in 405 ones
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This replaces g_malloc() with spapr_tce_alloc_table() as this is
the standard way of allocating tables and this allows moving the table
back to KVM when unplugging a VFIO PCI device and VFIO TCE acceleration
support is not present in the KVM.
Although spapr_tce_alloc_table() is expected to fail with EBUSY
if called when previous fd is not closed yet, in practice we will not
see it because cap_spapr_vfio is false at the moment.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The concept of a VCPU ID that differs from the CPU's index
(cpu->cpu_index) exists only within SPAPR machines so, move the
functions ppc_get_vcpu_id() and ppc_get_cpu_by_vcpu_id() into spapr.c
and rename them appropriately.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This field actually records the VCPU ID used by KVM and, although the
value is also used in the device tree it is primarily the VCPU ID so
rename it as such.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
[dwg: Updated comment missed in cpu.h]
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The e500 platform code uses the function ppc_get_vcpu_dt_id() to get
an id to put in its device tree. Which seems like it makes sense, but
ppc_get_vcpu_dt_id() is actually badly named - it only differs from
cpu_index in cases where you're running on KVM HV and the host's
number of threads differs from the guests. Since KVM HV only supports
PAPR, not e500, it doesn't make sense to use it here.
Simply use the cpu_index instead (which is 'i' in this context
because qemu_get_cpu(i) returns the cpu with cpu_index == i).
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
[dwg: Rewrote commit message]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
TCE table objects attach themselves to an owner as a child
property. unref afterward to allow them to be finalized
when their owner is finalized.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
DRC objects attach themselves to an owner as a child
property. unref afterward to allow them to be finalized
when their owner is finalized.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When hot-unplugging a PHB, all its PCI DRC connectors get unrealized. This
patch adds an unrealize method to the physical DRC class, in order to undo
registrations performed in realize_physical().
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This memory region should be owned by the PHB. This ensures the PHB
cannot be finalized as long as the the region is guest visible, or
used by a CPU or a device.
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Peter Maydell
Igor Mammedov
Philippe Mathieu-Daudé
Pavel Butsykin
Mark Cave-Ayland
Roger Pau Monne
Olaf Hering
Jan Dakinevich
Eduardo Habkost
Farhan Ali
Halil Pasic
David Hildenbrand
Thomas Huth
Yi Min Zhao
Eric Blake
Alistair Francis
Prasad J Pandit
Kamil Rytarowski
Paolo Bonzini
Fam Zheng
Hannes Reinecke
Richard W.M. Jones
Mao Zhongyi
John Snow
Matt Parker
Gerd Hoffmann
Greg Kurz
Alexey Kardashevskiy
Cédric Le Goater
Daniel Henrique Barboza
Benjamin Herrenschmidt
Pranavkumar Sawargaonkar
Vadim Galitsyn
Marc-André Lureau
Yoni Bettan
Peter Xu
Aleksandr Bezzubikov
Anthony PERARD
Marcel Apfelbaum
Alex Williamson
Sam Bobroff
BALATON Zoltan
Michael Roth