aboutsummaryrefslogtreecommitdiff
path: root/system
diff options
context:
space:
mode:
authorSteve Sistare <steven.sistare@oracle.com>2025-01-15 11:00:38 -0800
committerFabiano Rosas <farosas@suse.de>2025-01-29 11:43:04 -0300
commit2862b6b92467241e3ed378876cc8dbf2e6a8ea6a (patch)
tree2b2ae9860b0b5012418bf3eaabaf3df6fc96785e /system
parentf2374f0fc3180a449857e6e56f20add3e8d2cca8 (diff)
downloadqemu-2862b6b92467241e3ed378876cc8dbf2e6a8ea6a.zip
qemu-2862b6b92467241e3ed378876cc8dbf2e6a8ea6a.tar.gz
qemu-2862b6b92467241e3ed378876cc8dbf2e6a8ea6a.tar.bz2
migration: incoming channel
Extend the -incoming option to allow an @MigrationChannel to be specified. This allows channels other than 'main' to be described on the command line, which will be needed for CPR. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> Acked-by: Peter Xu <peterx@redhat.com> Link: https://lore.kernel.org/r/1736967650-129648-13-git-send-email-steven.sistare@oracle.com Signed-off-by: Fabiano Rosas <farosas@suse.de>
Diffstat (limited to 'system')
-rw-r--r--system/vl.c36
1 files changed, 33 insertions, 3 deletions
diff --git a/system/vl.c b/system/vl.c
index c567826..504f05b 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -123,6 +123,7 @@
#include "qapi/qapi-visit-block-core.h"
#include "qapi/qapi-visit-compat.h"
#include "qapi/qapi-visit-machine.h"
+#include "qapi/qapi-visit-migration.h"
#include "qapi/qapi-visit-ui.h"
#include "qapi/qapi-commands-block-core.h"
#include "qapi/qapi-commands-migration.h"
@@ -159,6 +160,8 @@ typedef struct DeviceOption {
static const char *cpu_option;
static const char *mem_path;
static const char *incoming;
+static const char *incoming_str[MIGRATION_CHANNEL_TYPE__MAX];
+static MigrationChannel *incoming_channels[MIGRATION_CHANNEL_TYPE__MAX];
static const char *loadvm;
static const char *accelerators;
static bool have_custom_ram_size;
@@ -1813,6 +1816,30 @@ static void object_option_add_visitor(Visitor *v)
QTAILQ_INSERT_TAIL(&object_opts, opt, next);
}
+static void incoming_option_parse(const char *str)
+{
+ MigrationChannelType type = MIGRATION_CHANNEL_TYPE_MAIN;
+ MigrationChannel *channel;
+ Visitor *v;
+
+ if (!strcmp(str, "defer")) {
+ channel = NULL;
+ } else if (migrate_is_uri(str)) {
+ migrate_uri_parse(str, &channel, &error_fatal);
+ } else {
+ v = qobject_input_visitor_new_str(str, "channel-type", &error_fatal);
+ visit_type_MigrationChannel(v, NULL, &channel, &error_fatal);
+ visit_free(v);
+ type = channel->channel_type;
+ }
+
+ /* New incoming spec replaces the previous */
+ qapi_free_MigrationChannel(incoming_channels[type]);
+ incoming_channels[type] = channel;
+ incoming_str[type] = str;
+ incoming = incoming_str[MIGRATION_CHANNEL_TYPE_MAIN];
+}
+
static void object_option_parse(const char *str)
{
QemuOpts *opts;
@@ -2738,8 +2765,11 @@ void qmp_x_exit_preconfig(Error **errp)
if (incoming) {
Error *local_err = NULL;
if (strcmp(incoming, "defer") != 0) {
- qmp_migrate_incoming(incoming, false, NULL, true, true,
- &local_err);
+ g_autofree MigrationChannelList *channels =
+ g_new0(MigrationChannelList, 1);
+
+ channels->value = incoming_channels[MIGRATION_CHANNEL_TYPE_MAIN];
+ qmp_migrate_incoming(NULL, true, channels, true, true, &local_err);
if (local_err) {
error_reportf_err(local_err, "-incoming %s: ", incoming);
exit(1);
@@ -3458,7 +3488,7 @@ void qemu_init(int argc, char **argv)
if (!incoming) {
runstate_set(RUN_STATE_INMIGRATE);
}
- incoming = optarg;
+ incoming_option_parse(optarg);
break;
case QEMU_OPTION_only_migratable:
only_migratable = 1;