diff options
| -rw-r--r-- | qapi-schema.json | 22 | ||||
| -rw-r--r-- | qemu-char.c | 19 | ||||
| -rw-r--r-- | qmp-commands.hx | 41 |
3 files changed, 82 insertions, 0 deletions
diff --git a/qapi-schema.json b/qapi-schema.json index 7cfb5e5d1e..9bca13a476 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -437,6 +437,28 @@ { 'command': 'query-chardev', 'returns': ['ChardevInfo'] } ## +# @ChardevBackendInfo: +# +# Information about a character device backend +# +# @name: The backend name +# +# Since: 2.0 +## +{ 'type': 'ChardevBackendInfo', 'data': {'name': 'str'} } + +## +# @query-chardev-backends: +# +# Returns information about character device backends. +# +# Returns: a list of @ChardevBackendInfo +# +# Since: 2.0 +## +{ 'command': 'query-chardev-backends', 'returns': ['ChardevBackendInfo'] } + +## # @DataFormat: # # An enumeration of data format. diff --git a/qemu-char.c b/qemu-char.c index d0b4ac5ffd..4d50838b3b 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -3432,6 +3432,25 @@ ChardevInfoList *qmp_query_chardev(Error **errp) return chr_list; } +ChardevBackendInfoList *qmp_query_chardev_backends(Error **errp) +{ + ChardevBackendInfoList *backend_list = NULL; + CharDriver *c = NULL; + GSList *i = NULL; + + for (i = backends; i; i = i->next) { + ChardevBackendInfoList *info = g_malloc0(sizeof(*info)); + c = i->data; + info->value = g_malloc0(sizeof(*info->value)); + info->value->name = g_strdup(c->name); + + info->next = backend_list; + backend_list = info; + } + + return backend_list; +} + CharDriverState *qemu_chr_find(const char *name) { CharDriverState *chr; diff --git a/qmp-commands.hx b/qmp-commands.hx index cce6b81da4..8a0e8320c6 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1924,6 +1924,47 @@ EQMP }, SQMP +query-chardev-backends +------------- + +List available character device backends. + +Each backend is represented by a json-object, the returned value is a json-array +of all backends. + +Each json-object contains: + +- "name": backend name (json-string) + +Example: + +-> { "execute": "query-chardev-backends" } +<- { + "return":[ + { + "name":"udp" + }, + { + "name":"tcp" + }, + { + "name":"unix" + }, + { + "name":"spiceport" + } + ] + } + +EQMP + + { + .name = "query-chardev-backends", + .args_type = "", + .mhandler.cmd_new = qmp_marshal_input_query_chardev_backends, + }, + +SQMP query-block ----------- |