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[Qemu-devel] [PULL 04/22] qmp: expose list of supported character device
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] [PULL 04/22] qmp: expose list of supported character device backends |
Date: |
Thu, 13 Feb 2014 10:30:22 -0500 |
From: Martin Kletzander <address@hidden>
Introduce 'query-chardev-backends' QMP command which lists all
supported character device backends.
Signed-off-by: Martin Kletzander <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Luiz Capitulino <address@hidden>
---
qapi-schema.json | 22 ++++++++++++++++++++++
qemu-char.c | 19 +++++++++++++++++++
qmp-commands.hx | 41 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 82 insertions(+)
diff --git a/qapi-schema.json b/qapi-schema.json
index 7cfb5e5..9bca13a 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 d0b4ac5..4d50838 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 cce6b81..8a0e832 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
-----------
--
1.8.1.4
- [Qemu-devel] [PULL 00/22] QMP queue, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 01/22] hmp: migrate command (without -d) now blocks correctly, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 02/22] QMP: allow JSON dict arguments in qmp-shell, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 03/22] Use error_is_set() only when necessary, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 05/22] dump: const-qualify the buf of WriteCoreDumpFunction, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 06/22] dump: add argument to write_elfxx_notes, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 04/22] qmp: expose list of supported character device backends,
Luiz Capitulino <=
- [Qemu-devel] [PULL 07/22] dump: add API to write header of flatten format, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 09/22] dump: add API to write elf notes to buffer, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 08/22] dump: add API to write vmcore, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 10/22] dump: add support for lzo/snappy, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 11/22] dump: add members to DumpState and init some of them, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 12/22] dump: add API to write dump header, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 13/22] dump: add API to write dump_bitmap, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 14/22] dump: add APIs to operate DataCache, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 15/22] dump: add API to write dump pages, Luiz Capitulino, 2014/02/13
- [Qemu-devel] [PULL 18/22] dump: add 'query-dump-guest-memory-capability' command, Luiz Capitulino, 2014/02/13