Reorder check_strtox_error() to make it obvious that we always store
through a non-null @endptr.
Transform
if (some error) {
error case ...
err = value for error case;
} else {
normal case ...
err = value for normal case;
}
return err;
to
if (some error) {
error case ...
return value for error case;
}
normal case ...
return value for normal case;
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487708048-2131-9-git-send-email-armbru@redhat.com>
Name same things the same, different things differently.
* qemu_strtol()'s parameter @nptr is called @p in
check_strtox_error(). Rename the latter.
* qemu_strtol()'s parameter @endptr is called @next in
check_strtox_error(). Rename the latter.
* qemu_strtol()'s variable @p is called @endptr in
check_strtox_error(). Rename both to @ep.
* qemu_strtol()'s variable @err is *negative* errno,
check_strtox_error()'s parameter @err is *positive*. Rename the
latter to @libc_errno.
Same for qemu_strtoul(), qemu_strtoi64(), qemu_strtou64(), of course.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487708048-2131-8-git-send-email-armbru@redhat.com>
The name qemu_strtoll() suggests conversion to long long, but it
actually converts to int64_t. Rename to qemu_strtoi64().
The name qemu_strtoull() suggests conversion to unsigned long long,
but it actually converts to uint64_t. Rename to qemu_strtou64().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1487708048-2131-7-git-send-email-armbru@redhat.com>
Fixes the following documentation bugs:
* Fails to document that null @nptr is safe.
* Fails to document that we return -EINVAL when no conversion could be
performed (commit 47d4be1).
* Confuses long long with int64_t, and unsigned long long with
uint64_t.
* Claims the unsigned conversions can underflow. They can't.
While there, mark problematic assumptions that int64_t is long long,
and uint64_t is unsigned long long with FIXME comments.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1487708048-2131-6-git-send-email-armbru@redhat.com>
Use unsigned comparisons to check the result of qemu_strtoul() and
strtoull().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487708048-2131-5-git-send-email-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1487708048-2131-4-git-send-email-armbru@redhat.com>
Plenty of code relies on QemuOpt member @str not being null, including
qemu_opts_print(), qemu_opts_to_qdict(), and callbacks passed to
qemu_opt_foreach().
Begs the question whether it can be null. Only opt_set() creates
QemuOpt. It sets member @str to its argument @value. Passing null
for @value would plant a time bomb. Callers:
* opts_do_parse() can't pass null.
* qemu_opt_set() passes its argument @value. Callers:
- qemu_opts_from_qdict_1() can't pass null
- qemu_opts_set() passes its argument @value, but none of its
callers pass null.
- Many more outside qemu-option.c, but they shouldn't pass null,
either.
Assert member @str isn't null, so that misuse is caught right away.
Simplify parse_option_bool(), parse_option_number() and
parse_option_size() accordingly. Best viewed with whitespace changes
ignored.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487708048-2131-3-git-send-email-armbru@redhat.com>
The new tests demonstrate a few bugs, all clearly marked.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487708048-2131-2-git-send-email-armbru@redhat.com>
[A few additional test cases squashed in, see
Message-ID: <871supjijq.fsf@dusky.pond.sub.org>]
This reverts commit d3473e147a.
This commit creates a board which defaults to having 2GB of RAM.
Unfortunately on 32-bit hosts we can't create boards with 2GB of RAM,
and so 'make check' fails. I missed this during testing of the
merge, unfortunately. Luckily the offending commit is the last
one in the merge request, so we can just revert it for now.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Split xhci properties into common and nec specific.
Move the backward compat flags to nec, so the new qemu-xhci
devices doesn't carry on the compatibiity stuff.
Move the msi/msix switches too and just enable msix for qemu-xhci.
Also move the intrs and slots properties. Wasn't a great idea to
make them configurable in the first place, nobody needs this.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1487663432-10410-1-git-send-email-kraxel@redhat.com
It should return 1 if an error occurs when reading td.
This will avoid an infinite loop issue in ohci_service_ed_list.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1487760990-115925-1-git-send-email-liqiang6-s@360.cn
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Curiously, unrealize() is not being used, but it seems more
appropriate than handle_destroy() together with realize(). It is more
ubiquitous destroy name in qemu code base and may throw errors.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170221141451.28305-25-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Changes:
* Add MIPS Boston board support
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Merge remote-tracking branch 'remotes/yongbok/tags/mips-20170222' into staging
MIPS patches 2017-02-22
Changes:
* Add MIPS Boston board support
# gpg: Signature made Wed 22 Feb 2017 00:08:00 GMT
# gpg: using RSA key 0x2238EB86D5F797C2
# gpg: Good signature from "Yongbok Kim <yongbok.kim@imgtec.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: 8600 4CF5 3415 A5D9 4CFA 2B5C 2238 EB86 D5F7 97C2
* remotes/yongbok/tags/mips-20170222:
hw/mips: MIPS Boston board support
hw: xilinx-pcie: Add support for Xilinx AXI PCIe Controller
loader: Support Flattened Image Trees (FIT images)
dtc: Update requirement to v1.4.2
target-mips: Provide function to test if a CPU supports an ISA
hw/mips_gic: Update pin state on mask changes
hw/mips_gictimer: provide API for retrieving frequency
hw/mips_cmgcr: allow GCR base to be moved
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Regardless of running in UPT or legacy mode, the guest igd
drivers may attempt to use stolen memory, however only legacy
mode has BIOS support for reserving stolen memmory in the
guest VM. We zero out the stolen memory size in all cases,
then guest igd driver won't use stolen memory.
In legacy mode, user could use x-igd-gms option to specify the
amount of stolen memory which will be pre-allocated and reserved
by bios for igd use.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99028https://bugs.freedesktop.org/show_bug.cgi?id=99025
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Tested-by: Terrence Xu <terrence.xu@intel.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Since commit 4bb571d857 ("pci/pcie: don't assume cap id 0 is
reserved") removes the internal use of extended capability ID 0, the
comment here becomes invalid. However, peeling back the onion, the
code is still correct and we still can't seed the capability chain
with ID 0, unless we want to muck with using the version number to
force the header to be non-zero, which is much uglier to deal with.
The comment also now covers some of the subtleties of using cap ID 0,
such as transparently indicating absence of capabilities if none are
added. This doesn't detract from the correctness of the referenced
commit as vfio in the kernel also uses capability ID zero to mask
capabilties. In fact, we should skip zero capabilities precisely
because the kernel might also expose such a capability at the head
position and re-introduce the problem.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Peter Xu <peterx@redhat.com>
Reported-by: Jintack Lim <jintack@cs.columbia.edu>
Tested-by: Jintack Lim <jintack@cs.columbia.edu>
Currently we ignore this error, report it with error_reportf_err()
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
After a visit of a complex QAPI type FOO
ov = qobject_output_visitor_new(&foo);
visit_type_FOO(ov, NULL, expr, &error_abort);
visit_complete(ov, &foo);
we can safely assume qobject_type(foo) is QTYPE_QDICT. We do in many
places, but occasionally assert qobject_type(obj) == QTYPE_QDICT.
Don't. The appropriate place to check such fundamental properties of
QAPI visitors is the test suite.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-15-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Leave checking qobject_type(req) to qmp_check_input_obj(). Rework
handling of json_parser_parse_err() failing without setting an error.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-14-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
qobject_to_qbool(obj) returns NULL when obj isn't a QBool. Check
that instead of qobject_type(obj) == QTYPE_QBOOL.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-13-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
qobject_to_qfloat(obj) returns NULL when obj isn't a QFloat. Check
that instead of qobject_type(obj) == QTYPE_QFLOAT.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-12-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
qobject_to_qint(obj) returns NULL when obj isn't a QInt. Check
that instead of qobject_type(obj) == QTYPE_QINT.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-11-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
qobject_to_qstring(obj) returns NULL when obj isn't a QString. Check
that instead of qobject_type(obj) == QTYPE_QSTRING.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-10-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
qobject_to_qlist(obj) returns NULL when obj isn't a QList. Check
that instead of qobject_type(obj) == QTYPE_QLIST.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-9-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
qobject_to_qdict(obj) returns NULL when obj isn't a QDict. Check
that instead of qobject_type(obj) == QTYPE_QDICT.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-8-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Use qdict_get_qdict() and qdict_get_try_int() to simplify.
While there, add a sanity check for seconds.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-7-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Use qobject_to_qdict() instead of a type cast.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-6-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Make compare_litqobj_to_qobj() cope with null, and drop non-null
assertions from callers.
compare_litqobj_to_qobj() already checks the QType matches; drop the
redundant assertions from callers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-5-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Consistently check for unexpected QDict entries, and qdict_get_qdict()
success. The latter doesn't tighten the test, it only makes it fail
more nicely.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-4-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Use qdict_get_qdict(), qdict_get_qlist() instead of qdict_get()
followed by qobject_to_qdict(), qobject_to_qlist().
While there, drop some redundant code.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-3-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Commit 89cad9f changed qdict_get_qdict() to return NULL instead of
crash when the key doesn't exist or its value isn't a QDict.
Commit 2d6421a neglected to do the same for qdict_get_qlist().
Correct that, and update the function comments.
qdict_get_obj() is now unused, remove.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-2-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Simple unions are simpler than flat unions in the schema, but more
complicated in C and on the QMP wire: there's extra indirection in C
and extra nesting on the wire, both pointless. They're best avoided
in new code.
NetLegacyOptions isn't new, but it's only used internally, not in QMP.
Convert it to a flat union.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487709988-14322-3-git-send-email-armbru@redhat.com>
Simple unions are simpler than flat unions in the schema, but more
complicated in C and on the QMP wire: there's extra indirection in C
and extra nesting on the wire, both pointless. They're best avoided
in new code.
NumaOptions isn't new, but it's only used internally, not in QMP.
Convert it to a flat union.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487709988-14322-2-git-send-email-armbru@redhat.com>
When performing clock calculations, the ppc405_uc code
has several places where it multiplies together two
32-bit variables and assigns the result to a 64-bit
variable. This doesn't quite do what is intended because
C will compute a 32-bit multiply result. Add casts to
ensure we don't truncate the result.
(Spotted by Coverity, CID 1005504, 1005505.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
On POWER, the valid page sizes that the guest can use are bound
to the CPU and not to the memory region. QEMU already has some
fancy logic to find out the right maximum memory size to tell
it to the guest during boot (see getrampagesize() in the file
target/ppc/kvm.c for more information).
However, once we're booted and the guest is using huge pages
already, it is currently still possible to hot-plug memory regions
that does not support huge pages - which of course does not work
on POWER, since the guest thinks that it is possible to use huge
pages everywhere. The KVM_RUN ioctl will then abort with -EFAULT,
QEMU spills out a not very helpful error message together with
a register dump and the user is annoyed that the VM unexpectedly
died.
To avoid this situation, we should check the page size of hot-plugged
DIMMs to see whether it is possible to use it in the current VM.
If it does not fit, we can print out a better error message and
refuse to add it, so that the VM does not die unexpectely and the
user has a second chance to plug a DIMM with a matching memory
backend instead.
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1419466
Signed-off-by: Thomas Huth <thuth@redhat.com>
[dwg: Fix a build error on 32-bit builds with KVM]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The Book-E TLB matching process should bail out early when a TLB
entry matches, but the access permissions are wrong. The CPU
will then raise a DSI error instead of a Data TLB error, as
described for TLB matching in Freescale and IBM documents.
Signed-off-by: Alex Zuepke <azu@sysgo.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The spapr-vlan device in QEMU has always presented it's MAC address in
the device tree as an 8 byte value, even though PAPR requires it to be
6 bytes. This is because, at the time, AIX required the value to be 8
bytes. However, modern versions of AIX support the (correct) 6
byte value so they no longer require the workaround.
It would be neatest to always provide a 6 byte value but that would
cause a problem with old Linux kernel ibmveth drivers, so the old 8
byte value is still presented when necessary.
Since commit 13f85203e (3.10, May 2013) the driver has been able to
handle 6 or 8 byte addresses so versions after that don't need to be
considered specially.
Drivers from kernels before that can also handle either type of
address, but not always:
* If the first byte's lowest bits are 10, the address must be 6 bytes.
* Otherwise, the address must be 8 bytes.
(The two bits in question are significant in a MAC address: they
indicate a locally-administered unicast address.)
So to maintain compatibility the old 8 byte value is presented when
the lowest two bits of the first byte are not 10.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Generic helper machine_query_hotpluggable_cpus() replaced
target specific query_hotpluggable_cpus() callbacks so
there is no need in it anymore. However inon NULL callback
value is used to detect/report hotpluggable cpus support,
therefore it can be removed completely.
Replace it with MachineClass.has_hotpluggable_cpus boolean
which is sufficient for the task.
Suggested-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
All callbacks FOO_query_hotpluggable_cpus() are practically
the same except of setting vcpus_count to different values.
Convert them to a generic machine_query_hotpluggable_cpus()
callback by moving vcpus_count initialization to per machine
specific callback possible_cpu_arch_ids().
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Replace SPAPR specific cores[] array with generic
machine->possible_cpus and store core objects there.
It makes cores bookkeeping similar to x86 cpus and
will allow to unify similar code.
It would allow to replace cpu_index based NUMA node
mapping with iproperty based one (for -device created
cores) since possible_cpus carries board defined
topology/layout.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
so it could be reused for SPAPR cores as well
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Fill in CpuInstanceProperties once at board init time and
just copy them whenever query_hotpluggable_cpus() is called.
It will keep topology info always available without need
to recalculate it every time it's needed.
Considering it has NUMA node id, it will be used to keep
NUMA node to cpu mapping instead of numa_info[i].node_cpu
bitmasks.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
possible_cpus could be initialized earlier then cpu objects,
i.e. when -smp is parsed so move init code to possible_cpu_arch_ids()
interface func and do initialization on the first call.
it should help later with making -numa cpu/-smp parsing a machine state
properties.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
so that it would be possible to reuse it with
spapr/virt-aarch64 targets.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
hw_error() is for CPU related errors only (it prints out a
register dump and calls abort()), so we should not use it
if we just failed to load the bios image. Apart from that,
realize() functions should not exit directly but always set
the errp with error_setg() in case of errors instead.
Additionally, move some code around and delete the bios memory
subregion again in case of such an error, so that we leave a
clean state when returning to the caller.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The vpm0 bit was removed from the LPCR in POWER9, this bit controlled
whether ISI and DSI interrupts were directed to the hypervisor or the
partition. These interrupts now go to the hypervisor irrespective, thus
it is no longer necessary to check the vmp0 bit in the LPCR.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The logical partitioning control register controls a threads operation
based on the partition it is currently executing. Add new definitions and
update the mask used when writing to the LPCR based on the POWER9 spec.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
POWER9 processors implement the mmu as defined in version 3.00 of the ISA.
Add a definition for this mmu model and set the POWER9 cpu model to use
this mmu model.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The DPFD field in the LPCR is 3 bits wide. This has always been defined
as 0x3 << shift which indicates a 2 bit field, which is incorrect.
Correct this.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
xscvqpudz: VSX Scalar truncate & Convert Quad-Precision format to
Unsigned Doubleword format
xscvqpuwz: VSX Scalar truncate & Convert Quad-Precision format to
Unsigned Word format
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
