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Block layer patches

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- Fix crash in blockdev-reopen with iothreads
 - fdc-isa: Respect QOM properties when building AML
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Merge remote-tracking branch 'remotes/kwolf-gitlab/tags/for-upstream' into staging

Block layer patches

- Fix crash in blockdev-reopen with iothreads
- fdc-isa: Respect QOM properties when building AML

# gpg: Signature made Fri 11 Feb 2022 17:44:52 GMT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kwolf-gitlab/tags/for-upstream:
  hw/block/fdc-isa: Respect QOM properties when building AML
  iotests: Test blockdev-reopen with iothreads and throttling
  block: Lock AioContext for drain_end in blockdev-reopen

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2022-02-14 19:54:00 +00:00
commit 2d88a3a595
4 changed files with 52 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
blockdev.c
View File

@ -3530,6 +3530,7 @@ void qmp_blockdev_reopen(BlockdevOptionsList *reopen_list, Error **errp)
{
BlockReopenQueue *queue = NULL;
GSList *drained = NULL;
GSList *p;
/* Add each one of the BDS that we want to reopen to the queue */
for (; reopen_list != NULL; reopen_list = reopen_list->next) {
@ -3579,7 +3580,15 @@ void qmp_blockdev_reopen(BlockdevOptionsList *reopen_list, Error **errp)
fail:
bdrv_reopen_queue_free(queue);
g_slist_free_full(drained, (GDestroyNotify) bdrv_subtree_drained_end);
for (p = drained; p; p = p->next) {
BlockDriverState *bs = p->data;
AioContext *ctx = bdrv_get_aio_context(bs);
aio_context_acquire(ctx);
bdrv_subtree_drained_end(bs);
aio_context_release(ctx);
}
g_slist_free(drained);
}
void qmp_blockdev_del(const char *node_name, Error **errp)

11
hw/block/fdc-isa.c
View File

@ -216,6 +216,7 @@ int cmos_get_fd_drive_type(FloppyDriveType fd0)
static void fdc_isa_build_aml(ISADevice *isadev, Aml *scope)
{
FDCtrlISABus *isa = ISA_FDC(isadev);
Aml *dev;
Aml *crs;
int i;
@ -227,11 +228,13 @@ static void fdc_isa_build_aml(ISADevice *isadev, Aml *scope)
};
crs = aml_resource_template();
aml_append(crs, aml_io(AML_DECODE16, 0x03F2, 0x03F2, 0x00, 0x04));
aml_append(crs, aml_io(AML_DECODE16, 0x03F7, 0x03F7, 0x00, 0x01));
aml_append(crs, aml_irq_no_flags(6));
aml_append(crs,
aml_dma(AML_COMPATIBILITY, AML_NOTBUSMASTER, AML_TRANSFER8, 2));
aml_io(AML_DECODE16, isa->iobase + 2, isa->iobase + 2, 0x00, 0x04));
aml_append(crs,
aml_io(AML_DECODE16, isa->iobase + 7, isa->iobase + 7, 0x00, 0x01));
aml_append(crs, aml_irq_no_flags(isa->irq));
aml_append(crs,
aml_dma(AML_COMPATIBILITY, AML_NOTBUSMASTER, AML_TRANSFER8, isa->dma));
dev = aml_device("FDC0");
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0700")));

36
tests/qemu-iotests/245
View File

@ -1138,12 +1138,13 @@ class TestBlockdevReopen(iotests.QMPTestCase):
self.assertEqual(self.get_node('hd1'), None)
self.assert_qmp(self.get_node('hd2'), 'ro', True)
def run_test_iothreads(self, iothread_a, iothread_b, errmsg = None):
opts = hd_opts(0)
def run_test_iothreads(self, iothread_a, iothread_b, errmsg = None,
opts_a = None, opts_b = None):
opts = opts_a or hd_opts(0)
result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
self.assert_qmp(result, 'return', {})
opts2 = hd_opts(2)
opts2 = opts_b or hd_opts(2)
result = self.vm.qmp('blockdev-add', conv_keys = False, **opts2)
self.assert_qmp(result, 'return', {})
@ -1194,6 +1195,35 @@ class TestBlockdevReopen(iotests.QMPTestCase):
def test_iothreads_switch_overlay(self):
self.run_test_iothreads('', 'iothread0')
def test_iothreads_with_throttling(self):
# Create a throttle-group object
opts = { 'qom-type': 'throttle-group', 'id': 'group0',
'limits': { 'iops-total': 1000 } }
result = self.vm.qmp('object-add', conv_keys = False, **opts)
self.assert_qmp(result, 'return', {})
# Options with a throttle filter between format and protocol
opts = [
{
'driver': iotests.imgfmt,
'node-name': f'hd{idx}',
'file' : {
'node-name': f'hd{idx}-throttle',
'driver': 'throttle',
'throttle-group': 'group0',
'file': {
'driver': 'file',
'node-name': f'hd{idx}-file',
'filename': hd_path[idx],
},
},
}
for idx in (0, 2)
]
self.run_test_iothreads('iothread0', 'iothread0', None,
opts[0], opts[1])
if __name__ == '__main__':
iotests.activate_logging()
iotests.main(supported_fmts=["qcow2"],

4
tests/qemu-iotests/245.out
View File

@ -17,8 +17,8 @@ read 1/1 bytes at offset 262152
read 1/1 bytes at offset 262160
1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
...............
................
----------------------------------------------------------------------
Ran 25 tests
Ran 26 tests
OK