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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

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Block layer patches

- virtio-blk: Multiqueue fixes and cleanups
- blklogwrites: Fixes for write_zeroes and superblock update races
- commit/stream: Allow users to request only format driver names in
  backing file format
- monitor: only run coroutine commands in qemu_aio_context
- Some iotest fixes

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# 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

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
  iotests/277: Use iotests.sock_dir for socket creation
  iotests/iothreads-stream: Use the right TimeoutError
  tests/unit: Bump test-replication timeout to 60 seconds
  iotests/264: Use iotests.sock_dir for socket creation
  block/blklogwrites: Protect mutable driver state with a mutex.
  virtio-blk: always set ioeventfd during startup
  virtio-blk: tolerate failure to set BlockBackend AioContext
  virtio-blk: restart s->rq reqs in vq AioContexts
  virtio-blk: rename dataplane to ioeventfd
  virtio-blk: rename dataplane create/destroy functions
  virtio-blk: move dataplane code into virtio-blk.c
  monitor: only run coroutine commands in qemu_aio_context
  iotests: port 141 to Python for reliable QMP testing
  iotests: add filter_qmp_generated_node_ids()
  stream: Allow users to request only format driver names in backing file format
  commit: Allow users to request only format driver names in backing file format
  string-output-visitor: Fix (pseudo) struct handling
  block/blklogwrites: Fix a bug when logging "write zeroes" operations.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
2024-01-26 13:10:30 +00:00
parent e029fe22ca acf2b9fce9
commit b9c4a2018a
59 changed files with 1001 additions and 1007 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
qapi/block-core.json
View File

@@ -1810,6 +1810,11 @@
# Care should be taken when specifying the string, to specify a
# valid filename or protocol. (Since 2.1)
#
# @backing-mask-protocol: If true, replace any protocol mentioned in the
# 'backing file format' with 'raw', rather than storing the protocol
# name as the backing format. Can be used even when no image header
# will be updated (default false; since 9.0).
#
# @speed: the maximum speed, in bytes per second
#
# @on-error: the action to take on an error. 'ignore' means that the
@@ -1856,7 +1861,8 @@
'*base': { 'type': 'str', 'features': [ 'deprecated' ] },
'*top-node': 'str',
'*top': { 'type': 'str', 'features': [ 'deprecated' ] },
'*backing-file': 'str', '*speed': 'int',
'*backing-file': 'str', '*backing-mask-protocol': 'bool',
'*speed': 'int',
'*on-error': 'BlockdevOnError',
'*filter-node-name': 'str',
'*auto-finalize': 'bool', '*auto-dismiss': 'bool' },
@@ -2820,6 +2826,11 @@
# Care should be taken when specifying the string, to specify a
# valid filename or protocol. (Since 2.1)
#
# @backing-mask-protocol: If true, replace any protocol mentioned in the
# 'backing file format' with 'raw', rather than storing the protocol
# name as the backing format. Can be used even when no image header
# will be updated (default false; since 9.0).
#
# @speed: the maximum speed, in bytes per second
#
# @on-error: the action to take on an error (default report). 'stop'
@@ -2858,7 +2869,9 @@
##
{ 'command': 'block-stream',
'data': { '*job-id': 'str', 'device': 'str', '*base': 'str',
'*base-node': 'str', '*backing-file': 'str', '*bottom': 'str',
'*base-node': 'str', '*backing-file': 'str',
'*backing-mask-protocol': 'bool',
'*bottom': 'str',
'*speed': 'int', '*on-error': 'BlockdevOnError',
'*filter-node-name': 'str',
'*auto-finalize': 'bool', '*auto-dismiss': 'bool' },

24
qapi/qmp-dispatch.c
View File

@@ -206,9 +206,31 @@ QDict *coroutine_mixed_fn qmp_dispatch(const QmpCommandList *cmds, QObject *requ
assert(!(oob && qemu_in_coroutine()));
assert(monitor_cur() == NULL);
if (!!(cmd->options & QCO_COROUTINE) == qemu_in_coroutine()) {
if (qemu_in_coroutine()) {
/*
* Move the coroutine from iohandler_ctx to qemu_aio_context for
* executing the command handler so that it can make progress if it
* involves an AIO_WAIT_WHILE().
*/
aio_co_schedule(qemu_get_aio_context(), qemu_coroutine_self());
qemu_coroutine_yield();
}
monitor_set_cur(qemu_coroutine_self(), cur_mon);
cmd->fn(args, &ret, &err);
monitor_set_cur(qemu_coroutine_self(), NULL);
if (qemu_in_coroutine()) {
/*
* Yield and reschedule so the main loop stays responsive.
*
* Move back to iohandler_ctx so that nested event loops for
* qemu_aio_context don't start new monitor commands.
*/
aio_co_schedule(iohandler_get_aio_context(),
qemu_coroutine_self());
qemu_coroutine_yield();
}
} else {
/*
* Actual context doesn't match the one the command needs.
@@ -232,7 +254,7 @@ QDict *coroutine_mixed_fn qmp_dispatch(const QmpCommandList *cmds, QObject *requ
.errp = &err,
.co = qemu_coroutine_self(),
};
aio_bh_schedule_oneshot(qemu_get_aio_context(), do_qmp_dispatch_bh,
aio_bh_schedule_oneshot(iohandler_get_aio_context(), do_qmp_dispatch_bh,
&data);
qemu_coroutine_yield();
}

46
qapi/string-output-visitor.c
View File

@@ -65,6 +65,7 @@ struct StringOutputVisitor
} range_start, range_end;
GList *ranges;
void *list; /* Only needed for sanity checking the caller */
unsigned int struct_nesting;
};
static StringOutputVisitor *to_sov(Visitor *v)
@@ -144,6 +145,10 @@ static bool print_type_int64(Visitor *v, const char *name, int64_t *obj,
StringOutputVisitor *sov = to_sov(v);
GList *l;
if (sov->struct_nesting) {
return true;
}
switch (sov->list_mode) {
case LM_NONE:
string_output_append(sov, *obj);
@@ -231,6 +236,10 @@ static bool print_type_size(Visitor *v, const char *name, uint64_t *obj,
uint64_t val;
char *out, *psize;
if (sov->struct_nesting) {
return true;
}
if (!sov->human) {
out = g_strdup_printf("%"PRIu64, *obj);
string_output_set(sov, out);
@@ -250,6 +259,11 @@ static bool print_type_bool(Visitor *v, const char *name, bool *obj,
Error **errp)
{
StringOutputVisitor *sov = to_sov(v);
if (sov->struct_nesting) {
return true;
}
string_output_set(sov, g_strdup(*obj ? "true" : "false"));
return true;
}
@@ -260,6 +274,10 @@ static bool print_type_str(Visitor *v, const char *name, char **obj,
StringOutputVisitor *sov = to_sov(v);
char *out;
if (sov->struct_nesting) {
return true;
}
if (sov->human) {
out = *obj ? g_strdup_printf("\"%s\"", *obj) : g_strdup("<null>");
} else {
@@ -273,6 +291,11 @@ static bool print_type_number(Visitor *v, const char *name, double *obj,
Error **errp)
{
StringOutputVisitor *sov = to_sov(v);
if (sov->struct_nesting) {
return true;
}
string_output_set(sov, g_strdup_printf("%.17g", *obj));
return true;
}
@@ -283,6 +306,10 @@ static bool print_type_null(Visitor *v, const char *name, QNull **obj,
StringOutputVisitor *sov = to_sov(v);
char *out;
if (sov->struct_nesting) {
return true;
}
if (sov->human) {
out = g_strdup("<null>");
} else {
@@ -295,6 +322,9 @@ static bool print_type_null(Visitor *v, const char *name, QNull **obj,
static bool start_struct(Visitor *v, const char *name, void **obj,
size_t size, Error **errp)
{
StringOutputVisitor *sov = to_sov(v);
sov->struct_nesting++;
return true;
}
@@ -302,6 +332,10 @@ static void end_struct(Visitor *v, void **obj)
{
StringOutputVisitor *sov = to_sov(v);
if (--sov->struct_nesting) {
return;
}
/* TODO actually print struct fields */
string_output_set(sov, g_strdup("<omitted>"));
}
@@ -312,6 +346,10 @@ start_list(Visitor *v, const char *name, GenericList **list, size_t size,
{
StringOutputVisitor *sov = to_sov(v);
if (sov->struct_nesting) {
return true;
}
/* we can't traverse a list in a list */
assert(sov->list_mode == LM_NONE);
/* We don't support visits without a list */
@@ -329,6 +367,10 @@ static GenericList *next_list(Visitor *v, GenericList *tail, size_t size)
StringOutputVisitor *sov = to_sov(v);
GenericList *ret = tail->next;
if (sov->struct_nesting) {
return ret;
}
if (ret && !ret->next) {
sov->list_mode = LM_END;
}
@@ -339,6 +381,10 @@ static void end_list(Visitor *v, void **obj)
{
StringOutputVisitor *sov = to_sov(v);
if (sov->struct_nesting) {
return;
}
assert(sov->list == obj);
assert(sov->list_mode == LM_STARTED ||
sov->list_mode == LM_END ||