Commit Graph

1538 Commits

Author SHA1 Message Date
John Snow 8146d7dc27 qtest/ahci: halted ncq migration test
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435767578-32743-15-git-send-email-jsnow@redhat.com
2015-07-04 02:06:05 -04:00
John Snow 7f6cf5ee12 qtest/ahci: halted NCQ test
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435767578-32743-10-git-send-email-jsnow@redhat.com
2015-07-04 02:06:05 -04:00
John Snow 07a1ee7958 qtest/ahci: ncq migration test
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-17-git-send-email-jsnow@redhat.com
2015-07-04 02:06:04 -04:00
John Snow 26ad004585 qtest/ahci: simple ncq data test
Test the NCQ pathways for a simple IO RW test.
Also, test that libqos doesn't explode when
running NCQ commands :)

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-16-git-send-email-jsnow@redhat.com
2015-07-04 02:06:04 -04:00
John Snow e38cc93aca libqos/ahci: Force all NCQ commands to be LBA48
NCQ commands are LBA48 by definition.

See SATA 3.2 13.6.4.1 "READ FPDMA QUEUED", or
    SATA 3.2 13.6.5.1 "WRITE FPDMA QUEUED."

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-15-git-send-email-jsnow@redhat.com
2015-07-04 02:06:04 -04:00
John Snow a8973ff50a libqos/ahci: set the NCQ tag on command_commit
NCQ commands have the concept of a "TAG" that they need to set,
but in the AHCI world, it is mandated that the TAG always match
the command slot that you executed the NCQ from.

See AHCI 9.3.1.1.5.2 "Native Queued Commands".

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-14-git-send-email-jsnow@redhat.com
2015-07-04 02:06:04 -04:00
John Snow 359790c254 libqos/ahci: adjust expected NCQ interrupts
NCQ commands will expect the SDBS interrupt,
and in the normative case, do not expect to see
a D2H Register FIS unless something went wrong.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-13-git-send-email-jsnow@redhat.com
2015-07-04 02:06:04 -04:00
John Snow 4de484698b libqos/ahci: edit wait to be ncq aware
The wait command should check to make sure SACT is clear as well
as the Command Issue register.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-12-git-send-email-jsnow@redhat.com
2015-07-04 02:06:03 -04:00
John Snow cb45304108 libqos/ahci: add NCQ frame support
NCQ frames are generated a little differently than
their non-NCQ cousins. Add support for them.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-11-git-send-email-jsnow@redhat.com
2015-07-04 02:06:03 -04:00
John Snow 40d29928ca libqos/ahci: fix cmd_sanity for ncq
NCQ commands should not / do not update the byte count
in the command header post command, so this field is
meaningless for NCQ tests.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-10-git-send-email-jsnow@redhat.com
2015-07-04 02:06:03 -04:00
John Snow 34475239b8 ahci/qtest: Execute IDENTIFY prior to data commands
If you try to execute an NCQ command before trying to engage with the
device by issuing an IDENTIFY command, the error bits that are part of
the signature will fool the test suite into thinking there was a failure.

Issue IDENTIFY first on "boot", which will clear the signature out of
the registers for us.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-9-git-send-email-jsnow@redhat.com
2015-07-04 02:06:03 -04:00
John Snow d31a3ebc28 qtest/ahci: add port_reset test
Test that we can survive a couple of cycles of running a basic identify
test, some IO, and resetting the HBA. Ensures that we can bring the HBA
back to compliant spec during the lifecycle of the VM.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1434470575-21625-5-git-send-email-jsnow@redhat.com
2015-07-04 02:06:02 -04:00
John Snow 95ea663693 libqos/ahci: fix memory management bugs
There's a handful of trivial bugs in the libqos/ahci functions,
squish them together.

- Zero cached pointers after freeing them
- The Command List Buffer is an array of 32x 32 byte structures, not
  32x 8 byte pointers -- it's 1MiB, not 256 bytes. Zero it ALL.
- Free the correct command in ahci_pick_cmd.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1434470575-21625-4-git-send-email-jsnow@redhat.com
2015-07-04 02:06:02 -04:00
John Snow 0d3e9d1f59 qtest/ahci: add test_max
Test that the FIS delivered after a nondata command has appropriately
updated registers, just as we'd expect a data command to do.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1434470575-21625-3-git-send-email-jsnow@redhat.com
2015-07-04 02:06:02 -04:00
Fam Zheng d7b2529792 iotests: Use event_wait in wait_ready
Only poll the specific type of event we are interested in, to avoid
stealing events that should be consumed by someone else.

Suggested-by: John Snow <jsnow@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02 10:06:23 +01:00
Fam Zheng c615091793 qemu-iotests: Add test case for mirror with unmap
This checks that the discard on mirror source that effectively zeroes
data is also reflected by the data of target.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02 10:06:23 +01:00
Fam Zheng 866323f39d qemu-iotests: Make block job methods common
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02 10:06:23 +01:00
Alberto Garcia e0cf11f31c timer: Use a single definition of NSEC_PER_SEC for the whole codebase
Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: c6e55468856ba0b8f95913c4da111cc0ef266541.1434113783.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02 09:20:18 +01:00
John Snow 4b80ab2b7d qapi: Rename 'dirty-bitmap' mode to 'incremental'
If we wish to make differential backups a feature that's easy to access,
it might be pertinent to rename the "dirty-bitmap" mode to "incremental"
to make it clear what /type/ of backup the dirty-bitmap is helping us
perform.

This is an API breaking change, but 2.4 has not yet gone live,
so we have this flexibility.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1433463642-21840-2-git-send-email-jsnow@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02 09:20:18 +01:00
Stefan Hajnoczi a30c4eb2ce qemu-iotests: fix 051.out after qdev error message change
Commit f006cf7fa9 ("qdev-monitor:
Propagate errors through qdev_device_add()") dropped a meaningless error
message.  This change in output caused qemu-iotests 051 to fail:

   QEMU_PROG: -device ide-drive,drive=disk: Device initialization failed.
  -QEMU_PROG: -device ide-drive,drive=disk: Device 'ide-drive' could not be initialized

Update 051.out so the test passes again.

Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1435071369-30936-1-git-send-email-stefanha@redhat.com
2015-06-24 15:23:20 +01:00
Wen Congyang c6a8c3283f util/hbitmap: Add an API to reset all set bits in hbitmap
The function bdrv_clear_dirty_bitmap() is updated to use
faster hbitmap_reset_all() call.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 555E868A.60506@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-06-23 15:06:16 +01:00
Markus Armbruster 70b9433109 QemuOpts: Wean off qerror_report_err()
qerror_report_err() is a transitional interface to help with
converting existing monitor commands to QMP.  It should not be used
elsewhere.

The only remaining user in qemu-option.c is qemu_opts_parse().  Is it
used in QMP context?  If not, we can simply replace
qerror_report_err() by error_report_err().

The uses in qemu-img.c, qemu-io.c, qemu-nbd.c and under tests/ are
clearly not in QMP context.

The uses in vl.c aren't either, because the only QMP command handlers
there are qmp_query_status() and qmp_query_machines(), and they don't
call it.

Remaining uses:

* drive_def(): Command line -drive and such, HMP drive_add and pci_add

* hmp_chardev_add(): HMP chardev-add

* monitor_parse_command(): HMP core

* tmp_config_parse(): Command line -tpmdev

* net_host_device_add(): HMP host_net_add

* net_client_parse(): Command line -net and -netdev

* qemu_global_option(): Command line -global

* vnc_parse_func(): Command line -display, -vnc, default display, HMP
  change, QMP change.  Bummer.

* qemu_pci_hot_add_nic(): HMP pci_add

* usb_net_init(): Command line -usbdevice, HMP usb_add

Propagate errors through qemu_opts_parse().  Create a convenience
function qemu_opts_parse_noisily() that passes errors to
error_report_err().  Switch all non-QMP users outside tests to it.

That leaves vnc_parse_func().  Propagate errors through it.  Since I'm
touching it anyway, rename it to vnc_parse().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-06-22 18:20:39 +02:00
Eric Blake 34acbc9522 qobject: Use 'bool' inside qdict
Now that qbool is fixed, let's fix getting and setting a bool
value to a qdict member to also use C99 bool rather than int.

I audited all callers to ensure that the changed return type
will not cause any changed semantics.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-06-22 17:40:00 +02:00
Eric Blake fc48ffc39e qobject: Use 'bool' for qbool
We require a C99 compiler, so let's use 'bool' instead of 'int'
when dealing with boolean values.  There are few enough clients
to fix them all in one pass.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-06-22 17:40:00 +02:00
Peter Maydell 0a3346f5de QOM infrastructure fixes and device conversions
* Changes to name string ownership for alias properties
 * Improvements around enum properties
 * Cleanups around -object handling
 * New helper functions
 * Cleanups of qdev init helper functions
 * Add path argument to qom-tree script
 * QTest cleanup to use new qtest_add_data_func() consistently
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Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging

QOM infrastructure fixes and device conversions

* Changes to name string ownership for alias properties
* Improvements around enum properties
* Cleanups around -object handling
* New helper functions
* Cleanups of qdev init helper functions
* Add path argument to qom-tree script
* QTest cleanup to use new qtest_add_data_func() consistently

# gpg: Signature made Fri Jun 19 18:14:38 2015 BST using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"

* remotes/afaerber/tags/qom-devices-for-peter:
  qdev: Un-deprecate qdev_init_nofail()
  qdev: Deprecated qdev_init() is finally unused, drop
  qom: Don't pass string table to object_get_enum() function
  qom: Add an object_property_add_enum() helper function
  qom: Make enum string tables const-correct
  qom: Add object_new_with_props() / object_new_withpropv() helpers
  qom: Add helper function for getting user objects root
  vl: Create (most) objects before creating chardev backends
  doc: Document user creatable object types in help text
  backends: Fix typename of 'policy' enum property in hostmem obj
  scripts: Add support for path as argument of qom-tree
  tests: Use qtest_add_data_func() consistently
  qdev: Free property names after registering gpio aliases
  qom: strdup() target property name on object_property_add_alias()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-22 12:50:30 +01:00
Peter Maydell cb4e0f9ddf * i8254 security fix
* Avoid long 100% CPU wait after restarting guests that use the periodic timer
 * Fixes for access clamping (WinXP, MIPS)
 * wixl/.msi support for qemu-ga on Windows
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* i8254 security fix
* Avoid long 100% CPU wait after restarting guests that use the periodic timer
* Fixes for access clamping (WinXP, MIPS)
* wixl/.msi support for qemu-ga on Windows

# gpg: Signature made Fri Jun 19 11:30:53 2015 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@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: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream:
  exec: clamp accesses against the MemoryRegionSection
  exec: do not clamp accesses to MMIO regions
  mc146818rtc: Reset the periodic timer on load
  qemu-timer: Call clock reset notifiers on forward jumps
  tests: virtio-scsi: Add test for unaligned WRITE SAME
  tests: virtio-scsi: Move start/stop to individual test functions
  libqos: Complete virtio device ID definition list
  libqos: Allow calling guest_free on NULL pointer
  tests: Link libqos virtio object to virtio-scsi-test
  i8254: fix out-of-bounds memory access in pit_ioport_read()
  qemu-ga: Building Windows MSI installation with configure/Makefile
  qemu-ga: Introduce Windows MSI script
  qemu-ga: debug printouts to help troubleshoot installation
  qemu-ga: adding vss-[un]install options
  qemu-log: Open file for logging when specified

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-22 11:50:08 +01:00
Daniel P. Berrange a3590dacce qom: Don't pass string table to object_get_enum() function
Now that properties can be explicitly registered as an enum
type, there is no need to pass the string table to the
object_get_enum() function. The object property registration
already has a pointer to the string table.

In changing this method signature, the hostmem backend object
has to be converted to use the new enum property registration
code, which simplifies it somewhat.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19 18:42:48 +02:00
Daniel P. Berrange a8e3fbedc8 qom: Add an object_property_add_enum() helper function
A QOM property can be parsed as enum using the visit_type_enum()
helper function, but this forces callers to use the more complex
generic object_property_add() method when registering it. It
also requires that users of that object have access to the
string map when they want to read the property value.

This patch introduces a specialized object_property_add_enum()
method which simplifies the use of enum properties, so the
setters/getters directly get passed the int value.

  typedef enum {
     MYDEV_TYPE_FROG,
     MYDEV_TYPE_ALLIGATOR,
     MYDEV_TYPE_PLATYPUS,

     MYDEV_TYPE_LAST
  } MyDevType;

Then provide a table of enum <-> string mappings

  static const char *const mydevtypemap[MYDEV_TYPE_LAST + 1] = {
     [MYDEV_TYPE_FROG] = "frog",
     [MYDEV_TYPE_ALLIGATOR] = "alligator",
     [MYDEV_TYPE_PLATYPUS] = "platypus",
     [MYDEV_TYPE_LAST] = NULL,
  };

Assuming an object struct of

   typedef struct {
      Object parent_obj;
      MyDevType devtype;
      ...other fields...
   } MyDev;

The property can then be registered as follows:

   static int mydev_prop_get_devtype(Object *obj,
                                     Error **errp G_GNUC_UNUSED)
   {
       MyDev *dev = MYDEV(obj);

       return dev->devtype;
   }

   static void mydev_prop_set_devtype(Object *obj,
                                      int value,
                                      Error **errp G_GNUC_UNUSED)
   {
       MyDev *dev = MYDEV(obj);

       dev->devtype = value;
   }

   object_property_add_enum(obj, "devtype",
                            mydevtypemap, "MyDevType",
                            mydev_prop_get_devtype,
                            mydev_prop_set_devtype,
                            NULL);

Note there is no need to check the range of 'value' in
the setter, because the string->enum conversion code will
have already done that and reported an error as required.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19 18:42:18 +02:00
Daniel P. Berrange a31bdae5a7 qom: Add object_new_with_props() / object_new_withpropv() helpers
It is reasonably common to want to create an object, set a
number of properties, register it in the hierarchy and then
mark it as complete (if a user creatable type). This requires
quite a lot of error prone, verbose, boilerplate code to achieve.

First a pair of functions object_set_props() / object_set_propv()
are added which allow for a list of objects to be set in
one single API call.

Then object_new_with_props() / object_new_with_propv() constructors
are added which simplify the sequence of calls to create an
object, populate properties, register in the object composition
tree and mark the object complete, into a single method call.

Usage would be:

   Error *err = NULL;
   Object *obj;
   obj = object_new_with_propv(TYPE_MEMORY_BACKEND_FILE,
                               object_get_objects_root(),
                               "hostmem0",
                               &err,
                               "share", "yes",
                               "mem-path", "/dev/shm/somefile",
                               "prealloc", "yes",
                               "size", "1048576",
                               NULL);

Note all property values are passed in string form and will
be parsed into their required data types, using normal QOM
semantics for parsing from string format.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19 18:42:18 +02:00
Fam Zheng 397c767b2d tests: virtio-scsi: Add test for unaligned WRITE SAME
This is an exercise for virtio-scsi tests using the libqos virtio
library. A few common routines are added to facilitate future extensions
of the test set.

The added test case is a regression test for the bug in d7f4b1999e.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-06-19 12:27:12 +02:00
Andreas Färber 53f77e4562 tests: Use qtest_add_data_func() consistently
Replace uses of g_test_add_data_func() for QTest test cases.

It is still valid to use it for any non-QTest test cases,
which are not run for multiple target binaries.

Suggested-by: John Snow <jsnow@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19 10:29:14 +02:00
Markus Armbruster f9a1427361 qapi: Catch and reject flat union branch of array type
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-06-18 14:19:47 +02:00
Markus Armbruster 75276710ae tests/qapi-schema: New flat union array branch test case
The new test demonstrates another generator crash.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-06-18 14:19:47 +02:00
Markus Armbruster 8608d25251 qapi: Fix file name in error messages for included files
We print the name as it appears in the include expression.  Tools
processing error messages want it relative to the working directory.
Make it so.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2015-06-18 14:12:34 +02:00
Fam Zheng 06b008d941 tests: virtio-scsi: Move start/stop to individual test functions
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-06-17 16:03:47 +02:00
Fam Zheng bea2f0982b libqos: Complete virtio device ID definition list
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-06-17 16:03:47 +02:00
Fam Zheng 28452758c4 libqos: Allow calling guest_free on NULL pointer
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-06-17 16:03:47 +02:00
Fam Zheng ebe7d8b166 tests: Link libqos virtio object to virtio-scsi-test
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-06-17 16:03:47 +02:00
Peter Maydell f3e3b083d4 Block layer core and image format patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer core and image format patches

# gpg: Signature made Fri Jun 12 16:08:53 2015 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream: (25 commits)
  block: Fix reopen flag inheritance
  block: Add BlockDriverState.inherits_from
  block: Add list of children to BlockDriverState
  queue.h: Add QLIST_FIX_HEAD_PTR()
  block: Drain requests before swapping nodes in bdrv_swap()
  block: Move flag inheritance to bdrv_open_inherit()
  block: Use QemuOpts in bdrv_open_common()
  block: Use macro for cache option names
  vmdk: Use bdrv_open_image()
  quorum: Use bdrv_open_image()
  check-qdict: Test cases for new functions
  qdict: Add qdict_{set,copy}_default()
  qdict: Add qdict_array_entries()
  iotests: Add tests for overriding BDRV_O_PROTOCOL
  block: driver should override flags in bdrv_open()
  block: Change bitmap truncate conditional to assertion
  block: record new size in bdrv_dirty_bitmap_truncate
  raw-posix: Fix .bdrv_co_get_block_status() for unaligned image size
  vmdk: Use vmdk_find_index_in_cluster everywhere
  vmdk: Fix index_in_cluster calculation in vmdk_co_get_block_status
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-15 10:43:06 +01:00
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Fri Jun 12 15:57:47 2015 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/block-pull-request:
  qemu-iotests: expand test 093 to support group throttling
  throttle: Update throttle infrastructure copyright
  throttle: add the name of the ThrottleGroup to BlockDeviceInfo
  throttle: acquire the ThrottleGroup lock in bdrv_swap()
  throttle: Add throttle group support
  throttle: Add throttle group infrastructure tests
  throttle: Add throttle group infrastructure
  throttle: Extract timers from ThrottleState into a separate structure
  raw-posix: Fix .bdrv_co_get_block_status() for unaligned image size
  Revert "iothread: release iothread around aio_poll"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-12 18:04:14 +01:00
Kevin Wolf ef1919df26 check-qdict: Test cases for new functions
This adds test cases for the following new QDict functions:

* qdict_array_entries()
* qdict_set_default_str()
* qdict_copy_default()

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-06-12 16:58:06 +02:00
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Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging

# gpg: Signature made Fri Jun 12 13:57:20 2015 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/net-pull-request:
  qmp/hmp: add rocker device support
  rocker: bring link up/down on PHY enable/disable
  rocker: update tests using hw-derived interface names
  rocker: Add support for phys name
  iohandler: Change return type of qemu_set_fd_handler to "void"
  event-notifier: Always return 0 for posix implementation
  xen_backend: Remove unused error handling of qemu_set_fd_handler
  oss: Remove unused error handling of qemu_set_fd_handler
  alsaaudio: Remove unused error handling of qemu_set_fd_handler
  main-loop: Drop qemu_set_fd_handler2
  Change qemu_set_fd_handler2(..., NULL, ...) to qemu_set_fd_handler
  tap: Drop tap_can_send
  net/socket: Drop net_socket_can_send
  netmap: Drop netmap_can_send
  l2tpv3: Drop l2tpv3_can_send
  stubs: Add qemu_set_fd_handler

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-12 15:39:05 +01:00
Max Reitz a68197ff5b iotests: Add tests for overriding BDRV_O_PROTOCOL
This adds tests for overriding the qemu-internal BDRV_O_PROTOCOL flag by
explicitly specifying a block driver. As one test must be run over the
NBD protocol while the other must not, this patch adds two separate
iotests.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-06-12 15:54:08 +02:00
Max Reitz 53a2951312 block: driver should override flags in bdrv_open()
The BDRV_O_PROTOCOL flag should have an impact only if no driver is
specified explicitly. Therefore, if bdrv_open() is called with an
explicit block driver argument (either through the options QDict or
through the drv parameter) and that block driver is a protocol block
driver, BDRV_O_PROTOCOL should be set; if it is a format block driver,
BDRV_O_PROTOCOL should be unset.

While there was code to unset the flag in case a format block driver
has been selected, it only followed the bdrv_fill_options() function
call whereas the flag in fact needs to be adjusted before it is used
there.

With that change, BDRV_O_PROTOCOL will always be set if the BDS should
be a protocol driver; if the driver has been specified explicitly, the
new code will set it; and bdrv_fill_options() will only "probe" a
protocol driver if BDRV_O_PROTOCOL is set. The probing after
bdrv_fill_options() cannot select a protocol driver.

Thus, bdrv_open_image() to open BDS.file is never called if a protocol
BDS is about to be created. With that change in turn it is impossible to
call bdrv_open_common() with a protocol drv and file != NULL, which
allows us to remove the bdrv_swap() call.

This change breaks a test case in qemu-iotest 051:
"-drive file=t.qcow2,file.driver=qcow2" now works because the explicitly
specified "qcow2" overrides the BDRV_O_PROTOCOL which is automatically
set for the "file" BDS (and the filename is just passed down).
Therefore, this patch removes that test case.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-06-12 15:54:07 +02:00
Max Reitz a4291eafc5 iotests: qcow2 COW with minimal L2 cache size
This adds a test case to test 103 for performing a COW operation in a
qcow2 image using an L2 cache with minimal size (which should be at
least two clusters so the COW can access both source and destination
simultaneously).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-06-12 15:54:01 +02:00
Fam Zheng 9aa711d750 qemu-iotests: Fix 128 if sudo required
If passwordless "sudo" works, use it in the qemu-io cmd.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-06-12 15:54:00 +02:00
John Snow ff793890fa iotests: remove assertIsNotNone call
RHEL6 doesn't have Python 2.7, so replace this call with
assertNotEqual(x, None) which will work just as well.

Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-06-12 15:54:00 +02:00
Alberto Garcia 2db33f88d2 qemu-iotests: expand test 093 to support group throttling
This patch improves the test by attaching a different number of drives
to the VM and putting them in the same throttling group. The test
verifies that the I/O is evenly distributed among all members of the
group, and that the limits are enforced.

By default the test is repeated 3 times with 1, 2 and 3 drives, but
the maximum number of simultaneous drives is configurable.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 513df1da5c658878191b579ebcddd985adcd4122.1433779731.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-06-12 14:00:00 +01:00
Alberto Garcia 1fee955f9c throttle: Add throttle group infrastructure tests
Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: ba7b9dc7fca43efbb31d5f3aad91a8dbdbea635b.1433779731.git.berto@igalia.com
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-06-12 14:00:00 +01:00
Benoît Canet 0e5b0a2d54 throttle: Extract timers from ThrottleState into a separate structure
Group throttling will share ThrottleState between multiple bs.
As a consequence the ThrottleState will be accessed by multiple aio
context.

Timers are tied to their aio context so they must go out of the
ThrottleState structure.

This commit paves the way for each bs of a common ThrottleState to
have its own timer.

Signed-off-by: Benoit Canet <benoit.canet@nodalink.com>
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 6cf9ea96d8b32ae2f8769cead38f68a6a0c8c909.1433779731.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-06-12 14:00:00 +01:00