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author | Peter Maydell <peter.maydell@linaro.org> | 2024-01-26 13:10:30 +0000 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2024-01-26 13:10:31 +0000 |
commit | b9c4a2018aa9c89233b8fc68ce26faf8e4ce1c78 (patch) | |
tree | 5dd331773caafb3dc376816c5408c765d85b2965 /qapi | |
parent | e029fe22caad9b75c7ab69bd4e84853c11fb71e0 (diff) | |
parent | acf2b9fce9f402b070a65bea584582df0378da9e (diff) | |
download | qemu-b9c4a2018aa9c89233b8fc68ce26faf8e4ce1c78.zip qemu-b9c4a2018aa9c89233b8fc68ce26faf8e4ce1c78.tar.gz qemu-b9c4a2018aa9c89233b8fc68ce26faf8e4ce1c78.tar.bz2 |
Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
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: 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
* 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>
Diffstat (limited to 'qapi')
-rw-r--r-- | qapi/block-core.json | 17 | ||||
-rw-r--r-- | qapi/qmp-dispatch.c | 24 | ||||
-rw-r--r-- | qapi/string-output-visitor.c | 46 |
3 files changed, 84 insertions, 3 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 3919156..48c181e 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -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' }, diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c index 555528b..176b549 100644 --- a/qapi/qmp-dispatch.c +++ b/qapi/qmp-dispatch.c @@ -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(); } diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c index f0c1dea..5115536 100644 --- a/qapi/string-output-visitor.c +++ b/qapi/string-output-visitor.c @@ -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 || |