diff options
Diffstat (limited to 'tests/qemu-iotests/iotests.py')
| -rw-r--r-- | tests/qemu-iotests/iotests.py | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index fb10ff4..e4fa9af 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -37,6 +37,7 @@ qemu_args = os.environ.get('QEMU', 'qemu').strip().split(' ') imgfmt = os.environ.get('IMGFMT', 'raw') imgproto = os.environ.get('IMGPROTO', 'file') test_dir = os.environ.get('TEST_DIR', '/var/tmp') +cachemode = os.environ.get('CACHEMODE') socket_scm_helper = os.environ.get('SOCKET_SCM_HELPER', 'socket_scm_helper') @@ -96,7 +97,7 @@ class VM(object): '''Add a virtio-blk drive to the VM''' options = ['if=virtio', 'format=%s' % imgfmt, - 'cache=none', + 'cache=%s' % cachemode, 'file=%s' % path, 'id=drive%d' % self._num_drives] if opts: @@ -107,6 +108,19 @@ class VM(object): self._num_drives += 1 return self + def pause_drive(self, drive, event=None): + '''Pause drive r/w operations''' + if not event: + self.pause_drive(drive, "read_aio") + self.pause_drive(drive, "write_aio") + return + self.qmp('human-monitor-command', + command_line='qemu-io %s "break %s bp_%s"' % (drive, event, drive)) + + def resume_drive(self, drive): + self.qmp('human-monitor-command', + command_line='qemu-io %s "remove_break bp_%s"' % (drive, drive)) + def hmp_qemu_io(self, drive, cmd): '''Write to a given drive using an HMP command''' return self.qmp('human-monitor-command', @@ -222,11 +236,14 @@ class QMPTestCase(unittest.TestCase): result = self.vm.qmp('query-block-jobs') self.assert_qmp(result, 'return', []) - def cancel_and_wait(self, drive='drive0', force=False): + def cancel_and_wait(self, drive='drive0', force=False, resume=False): '''Cancel a block job and wait for it to finish, returning the event''' result = self.vm.qmp('block-job-cancel', device=drive, force=force) self.assert_qmp(result, 'return', {}) + if resume: + self.vm.resume_drive(drive) + cancelled = False result = None while not cancelled: |
