-> { "execute": "inject-nmi" }
<- { "return": {} }
-Note: inject-nmi is only supported for x86 guest currently, it will
- returns "Unsupported" error for non-x86 guest.
+Note: inject-nmi fails when the guest doesn't support injecting.
+ Currently, only x86 guests do.
EQMP
-> { "execute": "closefd", "arguments": { "fdname": "fd1" } }
<- { "return": {} }
+EQMP
+
+ {
+ .name = "add-fd",
+ .args_type = "fdset-id:i?,opaque:s?",
+ .params = "add-fd fdset-id opaque",
+ .help = "Add a file descriptor, that was passed via SCM rights, to an fd set",
+ .mhandler.cmd_new = qmp_marshal_input_add_fd,
+ },
+
+SQMP
+add-fd
+-------
+
+Add a file descriptor, that was passed via SCM rights, to an fd set.
+
+Arguments:
+
+- "fdset-id": The ID of the fd set to add the file descriptor to.
+ (json-int, optional)
+- "opaque": A free-form string that can be used to describe the fd.
+ (json-string, optional)
+
+Return a json-object with the following information:
+
+- "fdset-id": The ID of the fd set that the fd was added to. (json-int)
+- "fd": The file descriptor that was received via SCM rights and added to the
+ fd set. (json-int)
+
+Example:
+
+-> { "execute": "add-fd", "arguments": { "fdset-id": 1 } }
+<- { "return": { "fdset-id": 1, "fd": 3 } }
+
+Notes:
+
+(1) The list of fd sets is shared by all monitor connections.
+(2) If "fdset-id" is not specified, a new fd set will be created.
+
+EQMP
+
+ {
+ .name = "remove-fd",
+ .args_type = "fdset-id:i,fd:i?",
+ .params = "remove-fd fdset-id fd",
+ .help = "Remove a file descriptor from an fd set",
+ .mhandler.cmd_new = qmp_marshal_input_remove_fd,
+ },
+
+SQMP
+remove-fd
+---------
+
+Remove a file descriptor from an fd set.
+
+Arguments:
+
+- "fdset-id": The ID of the fd set that the file descriptor belongs to.
+ (json-int)
+- "fd": The file descriptor that is to be removed. (json-int, optional)
+
+Example:
+
+-> { "execute": "remove-fd", "arguments": { "fdset-id": 1, "fd": 3 } }
+<- { "return": {} }
+
+Notes:
+
+(1) The list of fd sets is shared by all monitor connections.
+(2) If "fd" is not specified, all file descriptors in "fdset-id" will be
+ removed.
+
+EQMP
+
+ {
+ .name = "query-fdsets",
+ .args_type = "",
+ .help = "Return information describing all fd sets",
+ .mhandler.cmd_new = qmp_marshal_input_query_fdsets,
+ },
+
+SQMP
+query-fdsets
+-------------
+
+Return information describing all fd sets.
+
+Arguments: None
+
+Example:
+
+-> { "execute": "query-fdsets" }
+<- { "return": [
+ {
+ "fds": [
+ {
+ "fd": 30,
+ "opaque": "rdonly:/path/to/file"
+ },
+ {
+ "fd": 24,
+ "opaque": "rdwr:/path/to/file"
+ }
+ ],
+ "fdset-id": 1
+ },
+ {
+ "fds": [
+ {
+ "fd": 28
+ },
+ {
+ "fd": 29
+ }
+ ],
+ "fdset-id": 0
+ }
+ ]
+ }
+
+Note: The list of fd sets is shared by all monitor connections.
+
EQMP
{
- "status": migration status (json-string)
- Possible values: "active", "completed", "failed", "cancelled"
+- "total-time": total amount of ms since migration started. If
+ migration has ended, it returns the total migration
+ time (json-int)
- "ram": only present if "status" is "active", it is a json-object with the
following RAM information (in bytes):
- "transferred": amount transferred (json-int)
- "remaining": amount remaining (json-int)
- "total": total (json-int)
+ - "duplicate": number of duplicated pages (json-int)
+ - "normal" : number of normal pages transferred (json-int)
+ - "normal-bytes" : number of normal bytes transferred (json-int)
- "disk": only present if "status" is "active" and it is a block migration,
it is a json-object with the following disk information (in bytes):
- "transferred": amount transferred (json-int)
- "remaining": amount remaining (json-int)
- "total": total (json-int)
-
+- "xbzrle-cache": only present if XBZRLE is active.
+ It is a json-object with the following XBZRLE information:
+ - "cache-size": XBZRLE cache size
+ - "bytes": total XBZRLE bytes transferred
+ - "pages": number of XBZRLE compressed pages
+ - "cache-miss": number of cache misses
+ - "overflow": number of XBZRLE overflows
Examples:
1. Before the first migration
2. Migration is done and has succeeded
-> { "execute": "query-migrate" }
-<- { "return": { "status": "completed" } }
+<- { "return": {
+ "status": "completed",
+ "ram":{
+ "transferred":123,
+ "remaining":123,
+ "total":246,
+ "total-time":12345,
+ "duplicate":123,
+ "normal":123,
+ "normal-bytes":123456
+ }
+ }
+ }
3. Migration is done and has failed
"ram":{
"transferred":123,
"remaining":123,
- "total":246
+ "total":246,
+ "total-time":12345,
+ "duplicate":123,
+ "normal":123,
+ "normal-bytes":123456
}
}
}
"ram":{
"total":1057024,
"remaining":1053304,
- "transferred":3720
+ "transferred":3720,
+ "total-time":12345,
+ "duplicate":123,
+ "normal":123,
+ "normal-bytes":123456
},
"disk":{
"total":20971520,
}
}
+6. Migration is being performed and XBZRLE is active:
+
+-> { "execute": "query-migrate" }
+<- {
+ "return":{
+ "status":"active",
+ "capabilities" : [ { "capability": "xbzrle", "state" : true } ],
+ "ram":{
+ "total":1057024,
+ "remaining":1053304,
+ "transferred":3720,
+ "total-time":12345,
+ "duplicate":10,
+ "normal":3333,
+ "normal-bytes":3412992
+ },
+ "xbzrle-cache":{
+ "cache-size":67108864,
+ "bytes":20971520,
+ "pages":2444343,
+ "cache-miss":2244,
+ "overflow":34434
+ }
+ }
+ }
+
EQMP
{
.args_type = "implements:s?,abstract:b?",
.mhandler.cmd_new = qmp_marshal_input_qom_list_types,
},
+
+ {
+ .name = "device-list-properties",
+ .args_type = "typename:s",
+ .mhandler.cmd_new = qmp_marshal_input_device_list_properties,
+ },
+
+ {
+ .name = "query-machines",
+ .args_type = "",
+ .mhandler.cmd_new = qmp_marshal_input_query_machines,
+ },
+
+ {
+ .name = "query-cpu-definitions",
+ .args_type = "",
+ .mhandler.cmd_new = qmp_marshal_input_query_cpu_definitions,
+ },
+
+ {
+ .name = "query-target",
+ .args_type = "",
+ .mhandler.cmd_new = qmp_marshal_input_query_target,
+ },
projects / qemu.git / blobdiff