Commit Graph

47119 Commits

Author SHA1 Message Date
Eduardo Habkost
adae837d40 vl: Set errp to &error_abort on machine compat_props
Use the new GlobalProperty.errp field to handle compat_props
errors.

Example output before this change:
(with an intentionally broken entry added to PC_COMPAT_1_3 just
for testing)

  $ qemu-system-x86_64 -machine pc-1.3
  qemu-system-x86_64: hw/core/qdev-properties.c:1091: qdev_prop_set_globals_for_type: Assertion `prop->user_provided' failed.
  Aborted (core dumped)

After:

  $ qemu-system-x86_64 -machine pc-1.3
  Unexpected error in x86_cpuid_set_vendor() at /home/ehabkost/rh/proj/virt/qemu/target-i386/cpu.c:1688:
  qemu-system-x86_64: can't apply global cpu.vendor=x: Property '.vendor' doesn't take value 'x'
  Aborted (core dumped)

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-07-07 15:24:55 -03:00
Eduardo Habkost
39a3b377b8 machine: Add machine_register_compat_props() function
Move the compat_props handling to core machine code.

Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-07-07 15:24:54 -03:00
Eduardo Habkost
77280adbdf qdev: GlobalProperty.errp field
The new field will allow error handling to be configured by
qdev_prop_register_global() callers: &error_fatal and
&error_abort can be used to make QEMU exit or abort if any errors
are reported when applying the properties.

While doing it, change the error message from "global %s.%s=%s
ignored" to "can't apply global %s.%s=%s".

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-07-07 15:24:52 -03:00
Eduardo Habkost
8d76bfe8f8 qdev: Eliminate qemu_add_globals() function
The function is just a helper to handle the -global options, it
can stay in vl.c like most qemu_opts_foreach() calls.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-07-07 15:24:50 -03:00
Eduardo Habkost
823efc5d26 qdev: Don't stop applying globals on first error
qdev_prop_set_globals_for_type() stops applying global properties
on the first error. It is a leftover from when QEMU exited on any
error when applying global property. Commit 25f8dd9 changed the
fatal error to a warning, but neglected to drop the stopping.
Fix that.

For example, the following command-line will not set CPUID level
to 3, but will warn only about "x86_64-cpu.vendor" being ignored.

  $ ./x86_64-softmmu/qemu-system-x86_64 \
      -global x86_64-cpu.vendor=x \
      -global x86_64-cpu.level=3
  qemu-system-x86_64: Warning: global x86_64-cpu.vendor=x ignored: Property '.vendor' doesn't take value 'x'

Fix this by not returning from qdev_prop_set_globals_for_type()
on the first error.

Cc: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-07-07 15:24:47 -03:00
Peter Maydell
4f4a9ca4a4 target-arm queue:
* fix a wrong variable type for A64 SYS_HEAPINFO semihosting call
  * xlnx_dp: fix iffy xlnx_dp_aux_push_tx_fifo
  * aux: fix break that wanted to break two levels out
  * aux: Rename aux.[ch] to auxbus.[ch] for the benefit of Windows
  * hw/block/m25p80: fix resource leak
  * i.MX: split the GPT timer implementation into per SOC definitions
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20160707' into staging

target-arm queue:
 * fix a wrong variable type for A64 SYS_HEAPINFO semihosting call
 * xlnx_dp: fix iffy xlnx_dp_aux_push_tx_fifo
 * aux: fix break that wanted to break two levels out
 * aux: Rename aux.[ch] to auxbus.[ch] for the benefit of Windows
 * hw/block/m25p80: fix resource leak
 * i.MX: split the GPT timer implementation into per SOC definitions

# gpg: Signature made Thu 07 Jul 2016 14:48:09 BST
# gpg:                using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20160707:
  i.MX: split the GPT timer implementation into per SOC definitions
  hw/block/m25p80: fix resource leak
  aux: Rename aux.[ch] to auxbus.[ch] for the benefit of Windows
  aux: fix break that wanted to break two levels out
  xlnx_dp: fix iffy xlnx_dp_aux_push_tx_fifo
  target-arm/arm-semi.c: In SYS_HEAPINFO use correct type for 'limit'

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-07 14:49:38 +01:00
Jean-Christophe Dubois
66542f6399 i.MX: split the GPT timer implementation into per SOC definitions
In various Freescale SOCs, the GPT timers can be configured to select
its input clock.

Depending on the SOC the set of available input clocks may vary.

The actual single GPT definition was no good enough and because of it
booting the sabrelite board with a i.MX6DL device tree would fail
because of an incorrect input clock definition for the i.MX6DL SOC.

This patch fixes the i.MX6DL boot failure by adding the ability to
define a different set of input clocks depending on the considered SOC.

A different class has been defined for i.MX25, i.MX31 and i.MX6 each with
its specific set of input clocks.

The patch has been tested by booting KZM, i.MX25 PDK, i.MX6Q sabrelite
and i.MX6DL sabrelite.

Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: 1467325619-8374-1-git-send-email-jcd@tribudubois.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: fixed spacing round '/' operator]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-07 13:47:01 +01:00
Shannon Zhao
eef9f19eea hw/block/m25p80: fix resource leak
These two are spot by Coverity 1357232 and 1357233.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 1467684998-12076-1-git-send-email-zhaoshenglong@huawei.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-07 13:47:01 +01:00
Peter Maydell
e0dadc1e9e aux: Rename aux.[ch] to auxbus.[ch] for the benefit of Windows
On Windows 'aux.*' is a reserved name and cannot be used for
filenames; see
  https://msdn.microsoft.com/en-gb/library/windows/desktop/aa365247(v=vs.85).aspx

This prevents cloning the QEMU git repo on Windows:

C:\Java\sources\kvm> git clone https://github.com/qemu/qemu.git
Cloning into 'qemu'...
remote: Counting objects: 279563, done.
remote: Total 279563 (delta 0), reused 0 (delta 0), pack-reused 279563R
Receiving objects: 100% (279563/279563), 122.45 MiB | 3.52 MiB/s, done.
Resolving deltas: 100% (221942/221942), done.
Checking connectivity... done.
error: unable to create file hw/misc/aux.c (No such file or directory)
error: unable to create file include/hw/misc/aux.h (No such file or directory)
Checking out files: 100% (4795/4795), done.
fatal: unable to checkout working tree
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry the checkout with 'git checkout -f HEAD'

(bug https://bugs.launchpad.net/bugs/1595240)

Rename the offending files for the benefit of Windows.

Reported-by: Алексей Курган <akurgan@yandex.ru>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Wei Huang <wei@redhat.com>
Tested-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1467377145-32385-1-git-send-email-peter.maydell@linaro.org
2016-07-07 13:47:01 +01:00
Paolo Bonzini
5229f45bd9 aux: fix break that wanted to break two levels out
The last "ret = AUX_I2C_NACK;" is dead, because it is always overridden
by AUX_I2C_ACK.  What really the code wants is to jump out of the switch
statement, and a "return" will not cut it because it would omit a debug
printf.

Change the logic so that we can break out of the while loop.  For clarity,
hoist the bus->last_* assignments up, right after i2c_start_transfer.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-07 13:47:00 +01:00
Paolo Bonzini
bb14a1eda0 xlnx_dp: fix iffy xlnx_dp_aux_push_tx_fifo
xlnx_dp_aux_push_tx_fifo takes an immediate uint8_t and a buffer length,
which must be 1 because that is how many uint8_t's fit in a uint8_t.
Sure enough, that is what xlnx_dp_write passes to it, but the function
is just weird.  Therefore, make xlnx_dp_aux_push_tx_fifo look like
xlnx_dp_aux_push_rx_fifo, taking a pointer to the buffer.

Reported by Coverity.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-07 13:47:00 +01:00
Peter Maydell
90e26f5aac target-arm/arm-semi.c: In SYS_HEAPINFO use correct type for 'limit'
In commit f5666418c4 most of the SYS_HEAPINFO implementation was
fixed to use target_ulong rather than uint32_t, but the 'limit'
variable was not changed.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1467650942-28706-1-git-send-email-peter.maydell@linaro.org
2016-07-07 13:47:00 +01:00
Peter Maydell
5563168c53 -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
 
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Thu 07 Jul 2016 07:29:44 BST
# gpg:                using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.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: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  tap: vhost busy polling support

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-07 10:29:05 +01:00
Jason Wang
69e87b3268 tap: vhost busy polling support
This patch add the capability of basic vhost net busy polling which is
supported by recent kernel. User could configure the maximum number of
us that could be spent on busy polling through a new property of tap
"poll-us".

Cc: Greg Kurz <groug@kaod.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2016-07-07 14:29:04 +08:00
Peter Maydell
91d3550990 misc updates
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20160706' into staging

misc updates

# gpg: Signature made Wed 06 Jul 2016 17:17:02 BST
# gpg:                using RSA key 0xAD1270CC4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"
# Primary key fingerprint: 9CB1 8DDA F8E8 49AD 2AFC  16A4 AD12 70CC 4DD0 279B

* remotes/rth/tags/pull-tcg-20160706:
  tcg: Improve the alignment check infrastructure
  tcg: Optimize spills of constants
  tcg: Fix name for high-half register
  build: Use $(CCAS) for compiling .S files

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-06 17:32:09 +01:00
Peter Maydell
0c56c6ab68 spice and qxl bugfixes.
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Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20160706-1' into staging

spice and qxl bugfixes.

# gpg: Signature made Wed 06 Jul 2016 10:44:10 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/spice/tags/pull-spice-20160706-1:
  virgl: pass whole GL scanout dimensions
  spice: use the right head for multi-monitor
  virgl: count the calls to gl_block
  spice: avoid .set_mm_time on >= 0.12.6
  qxl: fix surface migration
  qxl: store memory region and offset instead of pointer for guest slots
  qxl: factor out qxl_get_check_slot_offset
  qxl: handle no updates in interface_update_area_complete
  qxl: use uint64_t for vram size

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-06 12:49:51 +01:00
Peter Maydell
975b1c3ac6 QAPI patches for 2016-07-06
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2016-07-06' into staging

QAPI patches for 2016-07-06

# gpg: Signature made Wed 06 Jul 2016 10:00:51 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2016-07-06:
  replay: Use new QAPI cloning
  sockets: Use new QAPI cloning
  qapi: Add new clone visitor
  qapi: Add new visit_complete() function
  tests: Factor out common code in qapi output tests
  tests: Clean up test-string-output-visitor
  qmp-output-visitor: Favor new visit_free() function
  string-output-visitor: Favor new visit_free() function
  qmp-input-visitor: Favor new visit_free() function
  string-input-visitor: Favor new visit_free() function
  opts-visitor: Favor new visit_free() function
  qapi: Add new visit_free() function
  qapi: Add parameter to visit_end_*
  qemu-img: Don't leak errors when outputting JSON
  qapi: Improve use of qmp/types.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-06 11:38:09 +01:00
Peter Maydell
fc5d0a2b24 QOM infrastructure fixes and device conversions
* Documentation fix
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Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging

QOM infrastructure fixes and device conversions

* Documentation fix

# gpg: Signature made Wed 06 Jul 2016 08:26:49 BST
# gpg:                using RSA key 0xFA2ED12D3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"
# Primary key fingerprint: 174F 0347 1BCC 221A 6175  6F96 FA2E D12D 3E7E 013F

* remotes/afaerber/tags/qom-devices-for-peter:
  qom: Fix comment typo

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-06 10:23:25 +01:00
Eric Blake
b6954712ab replay: Use new QAPI cloning
Rather than rolling our own clone via an expensive conversion
in and back out of QObject, use the new clone visitor.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-16-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
37f9e0a2b6 sockets: Use new QAPI cloning
Rather than rolling our own clone via an expensive conversion
in and back out of QObject, use the new clone visitor.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-15-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
a15fcc3cf6 qapi: Add new clone visitor
We have a couple places in the code base that want to deep-clone
one QAPI object into another, and they were resorting to serializing
the struct out to QObject then reparsing it.  A much more efficient
version can be done by adding a new clone visitor.

Since cloning is still relatively uncommon, expose the use of the
new visitor via a QAPI_CLONE() macro that takes care of type-punning
the underlying function pointer, rather than generating lots of
unused functions for types that won't be cloned.  And yes, we're
relying on the compiler treating all pointers equally, even though
a strict C program cannot portably do so - but we're not the first
one in the qemu code base to expect it to work (hello, glib!).

The choice of adding a fourth visitor type deserves some explanation.
On the surface, the clone visitor is mostly an input visitor (it
takes arbitrary input - in this case, another QAPI object - and
creates a new QAPI object during the course of the visit).  But
ever since commit da72ab0 consolidated enum visits based on the
visitor type, using VISITOR_INPUT would cause us to run
visit_type_str(), even though for cloning there is nothing to do
(we just copy the enum value across, without regards to its mapping
to strings).   Also, since our input happens to be a QAPI object,
we can also satisfy the internal checks for VISITOR_OUTPUT.  So in
the end, I settled with a new VISITOR_CLONE, and chose its value
such that many internal checks can use 'v->type & mask', sticking
to 'v->type == value' where the difference matters.

Note that we can only clone objects (including alternates) and lists,
not built-ins or enums.  The visitor core hides integer width from
the actual visitor (since commit 04e070d), and as long as that's the
case, we can't clone top-level integers.  Then again, those can
always be cloned by direct copy, since they are not objects with
deep pointers, so it's no real loss.  And restricting cloning to
just objects and lists is cleaner than restricting it to non-integers.
As such, I documented that the clone visitor is for direct use only
by code internal to QAPI, and should not be used on incomplete objects
(other than a hack to work around the fact that we allow NULL in place
of "" in visit_type_str() in other output visitors).  Note that as
written, the clone visitor will never fail on a complete object.

Scalars (including enums) not at the root of the clone copy just fine
with no additional effort while visiting the scalar, by virtue of a
g_memdup() each time we push another struct onto the stack.  Cloning
a string requires deduplication of a pointer, which means it can also
provide the guarantee of an input visitor of never producing NULL
even when still accepting NULL in place of "" the way the QMP output
visitor does.

Cloning an 'any' type could be possible by incrementing the QObject
refcnt, but it's not obvious whether that is better than implementing
a QObject deep clone.  So for now, we document it as unsupported,
and intentionally omit the .type_any() callback to let a developer
know their usage needs implementation.

Add testsuite coverage for several different clone situations, to
ensure that the code is working.  I also tested that valgrind was
happy with the test.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-14-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
3b098d5697 qapi: Add new visit_complete() function
Making each output visitor provide its own output collection
function was the only remaining reason for exposing visitor
sub-types to the rest of the code base.  Add a polymorphic
visit_complete() function which is a no-op for input visitors,
and which populates an opaque pointer for output visitors.  For
maximum type-safety, also add a parameter to the output visitor
constructors with a type-correct version of the output pointer,
and assert that the two uses match.

This approach was considered superior to either passing the
output parameter only during construction (action at a distance
during visit_free() feels awkward) or only during visit_complete()
(defeating type safety makes it easier to use incorrectly).

Most callers were function-local, and therefore a mechanical
conversion; the testsuite was a bit trickier, but the previous
cleanup patch minimized the churn here.

The visit_complete() function may be called at most once; doing
so lets us use transfer semantics rather than duplication or
ref-count semantics to get the just-built output back to the
caller, even though it means our behavior is not idempotent.

Generated code is simplified as follows for events:

|@@ -26,7 +26,7 @@ void qapi_event_send_acpi_device_ost(ACP
|     QDict *qmp;
|     Error *err = NULL;
|     QMPEventFuncEmit emit;
|-    QmpOutputVisitor *qov;
|+    QObject *obj;
|     Visitor *v;
|     q_obj_ACPI_DEVICE_OST_arg param = {
|         info
|@@ -39,8 +39,7 @@ void qapi_event_send_acpi_device_ost(ACP
|
|     qmp = qmp_event_build_dict("ACPI_DEVICE_OST");
|
|-    qov = qmp_output_visitor_new();
|-    v = qmp_output_get_visitor(qov);
|+    v = qmp_output_visitor_new(&obj);
|
|     visit_start_struct(v, "ACPI_DEVICE_OST", NULL, 0, &err);
|     if (err) {
|@@ -55,7 +54,8 @@ void qapi_event_send_acpi_device_ost(ACP
|         goto out;
|     }
|
|-    qdict_put_obj(qmp, "data", qmp_output_get_qobject(qov));
|+    visit_complete(v, &obj);
|+    qdict_put_obj(qmp, "data", obj);
|     emit(QAPI_EVENT_ACPI_DEVICE_OST, qmp, &err);

and for commands:

| {
|     Error *err = NULL;
|-    QmpOutputVisitor *qov = qmp_output_visitor_new();
|     Visitor *v;
|
|-    v = qmp_output_get_visitor(qov);
|+    v = qmp_output_visitor_new(ret_out);
|     visit_type_AddfdInfo(v, "unused", &ret_in, &err);
|-    if (err) {
|-        goto out;
|+    if (!err) {
|+        visit_complete(v, ret_out);
|     }
|-    *ret_out = qmp_output_get_qobject(qov);
|-
|-out:
|     error_propagate(errp, err);

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-13-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
23d1705f42 tests: Factor out common code in qapi output tests
Create a new visitor_get() function to capture common
actions taken in collecting output from an output visitor,
to make it easier to refactor the output visitors in a
later patch.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-12-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
a8fff94d28 tests: Clean up test-string-output-visitor
Use &error_abort and error_free_or_abort() in more places, use
the generated qapi_free_intList() instead of open-coding it,
reduce the scope of some variables, avoid code duplication
during test setup with visitor_output_setup_internal(), and
copy the visitor_reset() concept from the qmp-output test to
the string-output test.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-11-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
1830f22a67 qmp-output-visitor: Favor new visit_free() function
Now that we have a polymorphic visit_free(), we no longer need
qmp_output_visitor_cleanup(); however, we still need to
expose the subtype for qmp_output_get_qobject().

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-10-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
e7ca565629 string-output-visitor: Favor new visit_free() function
Now that we have a polymorphic visit_free(), we no longer need
string_output_visitor_cleanup(); however, we still need to
expose the subtype for string_output_get_string().

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-9-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
b70ce1018a qmp-input-visitor: Favor new visit_free() function
Now that we have a polymorphic visit_free(), we no longer need
qmp_input_visitor_cleanup(); which in turn means we no longer
need to return a subtype from qmp_input_visitor_new() nor a
public upcast function.

Generated code changes to qmp-marshal.c look like:

|@@ -52,11 +52,10 @@ void qmp_marshal_add_fd(QDict *args, QOb
| {
|     Error *err = NULL;
|     AddfdInfo *retval;
|-    QmpInputVisitor *qiv = qmp_input_visitor_new(QOBJECT(args), true);
|     Visitor *v;
|     q_obj_add_fd_arg arg = {0};
|
|-    v = qmp_input_get_visitor(qiv);
|+    v = qmp_input_visitor_new(QOBJECT(args), true);
|     visit_start_struct(v, NULL, NULL, 0, &err);
|     if (err) {
|         goto out;

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-8-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
7a0525c7be string-input-visitor: Favor new visit_free() function
Now that we have a polymorphic visit_free(), we no longer need
string_input_visitor_cleanup(); which in turn means we no longer
need to return a subtype from string_input_visitor_new() nor a
public upcast function.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-7-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
09204eac9b opts-visitor: Favor new visit_free() function
Now that we have a polymorphic visit_free(), we no longer need
opts_visitor_cleanup(); which in turn means we no longer need
to return a subtype from opts_visitor_new() nor a public upcast
function.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-6-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
2c0ef9f411 qapi: Add new visit_free() function
Making each visitor provide its own (awkwardly-named) FOO_cleanup()
is unusual, when we can instead have a polymorphic visit_free()
interface.  Over the next few patches, we can use the polymorphic
functions to eliminate the need for a FOO_get_visitor() function
for accessing specific visitor functionality, once everything can
be accessed directly through the Visitor* interfaces.

The dealloc visitor is the first one converted to completely use
the new entry point, since qapi_dealloc_visitor_cleanup() was the
only reason that qapi_dealloc_get_visitor() existed, and only
generated and testsuite code was even using it.  With the new
visit_free() entry point in place, we no longer need to expose
the QapiDeallocVisitor subtype through qapi_dealloc_visitor_new(),
and can get by with less generated code, with diffs that look like:

| void qapi_free_ACPIOSTInfo(ACPIOSTInfo *obj)
| {
|-    QapiDeallocVisitor *qdv;
|     Visitor *v;
|
|     if (!obj) {
|         return;
|     }
|
|-    qdv = qapi_dealloc_visitor_new();
|-    v = qapi_dealloc_get_visitor(qdv);
|+    v = qapi_dealloc_visitor_new();
|     visit_type_ACPIOSTInfo(v, NULL, &obj, NULL);
|-    qapi_dealloc_visitor_cleanup(qdv);
|+    visit_free(v);
|}

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-5-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
1158bb2a05 qapi: Add parameter to visit_end_*
Rather than making the dealloc visitor track of stack of pointers
remembered during visit_start_* in order to free them during
visit_end_*, it's a lot easier to just make all callers pass the
same pointer to visit_end_*.  The generated code has access to the
same pointer, while all other users are doing virtual walks and
can pass NULL.  The dealloc visitor is then greatly simplified.

All three visit_end_*() functions intentionally take a void**,
even though the visit_start_*() functions differ between void**,
GenericList**, and GenericAlternate**.  This is done for several
reasons: when doing a virtual walk, passing NULL doesn't care
what the type is, but when doing a generated walk, we already
have to cast the caller's specific FOO* to call visit_start,
while using void** lets us use visit_end without a cast. Also,
an upcoming patch will add a clone visitor that wants to use
the same implementation for all three visit_end callbacks,
which is made easier if all three share the same signature.

For visitors with already track per-object state (the QMP visitors
via a stack, and the string visitors which do not allow nesting),
add an assertion that the caller is indeed passing the same
pointer to paired calls.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-4-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
911ee36d41 qemu-img: Don't leak errors when outputting JSON
If our JSON output ever encounters an error, we would just silently
leak the error object.  Instead, assert that our usage won't fail.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-3-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:04 +02:00
Eric Blake
c7eb39cbd4 qapi: Improve use of qmp/types.h
'qjson.h' is not a QObject subtype; include this file directly in
.c files that are using it, rather than abusing qmp/types.h for
that purpose.

Meanwhile, for files that include a list of individual QObject
subtypes, it's easier to just use qmp/types.h for that purpose.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-2-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-07-06 10:52:03 +02:00
Marc-André Lureau
9d8256ebc0 virgl: pass whole GL scanout dimensions
Spice client needs the whole GL texture dimension to be able to show a
scanout with a monitor offset (different than +0+0).

Furthermore, this fixes a crash when calling surface_{width,height}()
after dpy_gfx_replace_surface(con, NULL) was called in
virgl_cmd_set_scanout()

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1465911849-30423-4-git-send-email-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-06 10:32:14 +02:00
Marc-André Lureau
c61d8126fc spice: use the right head for multi-monitor
Look up the associated head monitor config.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1465911849-30423-3-git-send-email-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-06 10:32:14 +02:00
Marc-André Lureau
c540128f93 virgl: count the calls to gl_block
In virgl_cmd_resource_flush(), when several consoles are updated, it
needs to keep blocking until all spice gl draws are done. This fixes an
assert() in spice when using multiple monitors with virgl.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1465911849-30423-2-git-send-email-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-06 10:32:14 +02:00
John Snow
015e02f880 spice: avoid .set_mm_time on >= 0.12.6
Spice deprecated this callback in 0.12.6.
It's not a problem yet, but it will cause Clang to fail in a -Werror
build due to the deprecated tag.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1467240095-12507-2-git-send-email-jsnow@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-07-06 10:31:57 +02:00
Gerd Hoffmann
1331eab216 qxl: fix surface migration
Create a helper function qxl_dirty_one_surface() to mark a single qxl
surface as dirty.  Use the new qxl_get_check_slot_offset function and
lookup the memory region from the slot instead of assuming the surface
is stored in vram.

Use the new helper function in qxl_dirty_surfaces, for both primary and
off-screen surfaces.  For off-screen surfaces this is no functional
change.  For primary surfaces this will dirty only the memory actually
used instead of the whole surface0 region.  It will also work correctly
in case the guest places the primary surface in vram instead of the
surface0 region (linux kms driver does that).

https://bugzilla.redhat.com/show_bug.cgi?id=1235732

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1466597244-5938-3-git-send-email-kraxel@redhat.com
2016-07-06 10:31:11 +02:00
Gerd Hoffmann
3cb5158f15 qxl: store memory region and offset instead of pointer for guest slots
Store MemoryRegion and offset instead of a pointer for each qxl memory
slot, so we can easily figure in which memory region an qxl object
stored.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1466597244-5938-2-git-send-email-kraxel@redhat.com
2016-07-06 10:31:11 +02:00
Gerd Hoffmann
726bdf653a qxl: factor out qxl_get_check_slot_offset
New helper function which translates a qxl physical address into
memory slot and offset.  Also applies sanity checks.  Factored out
from qxl_phys2virt.  No functional change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1466597244-5938-1-git-send-email-kraxel@redhat.com
2016-07-06 10:31:11 +02:00
Gerd Hoffmann
2f5ae772c6 qxl: handle no updates in interface_update_area_complete
Simply return early in case there are no updated rects.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1465395101-13580-1-git-send-email-kraxel@redhat.com
2016-07-06 10:31:02 +02:00
Gerd Hoffmann
de1b9b85ef qxl: use uint64_t for vram size
This allows for the 64bit vram bar to become larger than 2G
(try -device qxl-vga,vram64_size_mb=8192).

https://bugzilla.redhat.com/show_bug.cgi?id=1340439

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1465389648-5179-1-git-send-email-kraxel@redhat.com
2016-07-06 10:30:50 +02:00
Changlong Xie
ada03a0e84 qom: Fix comment typo
It's qom_unref, not qdef_unref.

Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2016-07-06 09:19:35 +02:00
Sergey Sorokin
1f00b27f17 tcg: Improve the alignment check infrastructure
Some architectures (e.g. ARMv8) need the address which is aligned
to a size more than the size of the memory access.
To support such check it's enough the current costless alignment
check implementation in QEMU, but we need to support
an alignment size specifying.

Signed-off-by: Sergey Sorokin <afarallax@yandex.ru>
Message-Id: <1466705806-679898-1-git-send-email-afarallax@yandex.ru>
Signed-off-by: Richard Henderson <rth@twiddle.net>
[rth: Assert in tcg_canonicalize_memop.  Leave get_alignment_bits
available for, though unused by, user-mode.  Retain logging difference
based on ALIGNED_ONLY.]
2016-07-05 20:50:13 -07:00
Richard Henderson
59d7c14eef tcg: Optimize spills of constants
While we can store constants via constrants on INDEX_op_st_i32 et al,
we weren't able to spill constants to backing store.

Add a new backend interface, tcg_out_sti, which may store the constant
(and is allowed to fail).  Rearrange the temp_* helpers so that we only
attempt to directly store a constant when the temp is becoming dead/free.

Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-07-05 20:50:13 -07:00
Richard Henderson
120c1084ed tcg: Fix name for high-half register
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-07-05 20:50:12 -07:00
Richard Henderson
5f6f0e27fb build: Use $(CCAS) for compiling .S files
We fail to pass to $(AS) all of the different flags that may be required
for a given set of CFLAGS.  Rather than figuring out the host-specific
mapping, it's better to allow the compiler driver to do that.

However, simply using $(CC) runs afoul of clang trying to build the
option roms.  C.f. 3dd46c7852, wherein we changed from
using $(CC) to using $(AS) in the first place.

Work around this by passing -fno-integrated-as to clang, so that we use
the external assembler, and the clang driver still passes along all of
the options that the assembler might require.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1466703558-7723-1-git-send-email-rth@twiddle.net>
2016-07-05 20:50:11 -07:00
Peter Maydell
07bee7f4f4 Block layer patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches

# gpg: Signature made Tue 05 Jul 2016 16:46:14 BST
# gpg:                using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream: (43 commits)
  block/qcow2: Don't use cpu_to_*w()
  block: Convert bdrv_co_preadv/pwritev to BdrvChild
  block: Convert bdrv_prwv_co() to BdrvChild
  block: Convert bdrv_pwrite_zeroes() to BdrvChild
  block: Convert bdrv_pwrite(v/_sync) to BdrvChild
  block: Convert bdrv_pread(v) to BdrvChild
  block: Convert bdrv_write() to BdrvChild
  block: Convert bdrv_read() to BdrvChild
  block: Use BlockBackend for I/O in bdrv_commit()
  block: Move bdrv_commit() to block/commit.c
  block: Convert bdrv_co_do_readv/writev to BdrvChild
  block: Convert bdrv_aio_writev() to BdrvChild
  block: Convert bdrv_aio_readv() to BdrvChild
  block: Convert bdrv_co_writev() to BdrvChild
  block: Convert bdrv_co_readv() to BdrvChild
  vhdx: Some more BlockBackend use in vhdx_create()
  blkreplay: Convert to byte-based I/O
  vvfat: Use BdrvChild for s->qcow
  block/qdev: Fix NULL access when using BB twice
  block: fix return code for partial write for Linux AIO
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-05 17:53:02 +01:00
Peter Maydell
791b7d2340 pc, pci, virtio: new features, cleanups, fixes
iommus can not be added with -device.
 cleanups and fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, pci, virtio: new features, cleanups, fixes

iommus can not be added with -device.
cleanups and fixes all over the place

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

# gpg: Signature made Tue 05 Jul 2016 11:18:32 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: (30 commits)
  vmw_pvscsi: remove unnecessary internal msi state flag
  e1000e: remove unnecessary internal msi state flag
  vmxnet3: remove unnecessary internal msi state flag
  mptsas: remove unnecessary internal msi state flag
  megasas: remove unnecessary megasas_use_msi()
  pci: Convert msi_init() to Error and fix callers to check it
  pci bridge dev: change msi property type
  megasas: change msi/msix property type
  mptsas: change msi property type
  intel-hda: change msi property type
  usb xhci: change msi/msix property type
  change pvscsi_init_msi() type to void
  tests: add APIC.cphp and DSDT.cphp blobs
  tests: acpi: add CPU hotplug testcase
  log: Permit -dfilter 0..0xffffffffffffffff
  range: Replace internal representation of Range
  range: Eliminate direct Range member access
  log: Clean up misuse of Range for -dfilter
  pci_register_bar: cleanup
  Revert "virtio-net: unbreak self announcement and guest offloads after migration"
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-07-05 16:48:24 +01:00
Kevin Wolf
b0aaca4d7f A block patch for the block queue
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Merge remote-tracking branch 'mreitz/tags/pull-block-for-kevin-2016-07-05-v2' into queue-block

A block patch for the block queue

# gpg: Signature made Tue Jul  5 16:54:22 2016 CEST
# gpg:                using RSA key 0x3BB14202E838ACAD
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40
#      Subkey fingerprint: 58B3 81CE 2DC8 9CF9 9730  EE64 3BB1 4202 E838 ACAD

* mreitz/tags/pull-block-for-kevin-2016-07-05-v2:
  block/qcow2: Don't use cpu_to_*w()

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-07-05 16:55:31 +02:00