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[Qemu-devel] [PULL 12/16] migration: check global params for validity
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PULL 12/16] migration: check global params for validity |
Date: |
Tue, 18 Jul 2017 17:41:23 +0200 |
From: Peter Xu <address@hidden>
Adding validity check for the migration parameters passed in via global
properties.
Signed-off-by: Peter Xu <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
---
migration/migration.c | 38 ++++++++++++++++++++++++++++++++++++--
1 file changed, 36 insertions(+), 2 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 13d9f00..c59dad9 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -102,14 +102,22 @@ enum mig_rp_message_type {
static MigrationState *current_migration;
+static bool migration_object_check(MigrationState *ms, Error **errp);
+
void migration_object_init(void)
{
MachineState *ms = MACHINE(qdev_get_machine());
+ Error *err = NULL;
/* This can only be called once. */
assert(!current_migration);
current_migration = MIGRATION_OBJ(object_new(TYPE_MIGRATION));
+ if (!migration_object_check(current_migration, &err)) {
+ error_report_err(err);
+ exit(1);
+ }
+
/*
* We cannot really do this in migration_instance_init() since at
* that time global properties are not yet applied, then this
@@ -2102,12 +2110,38 @@ static void migration_class_init(ObjectClass *klass,
void *data)
static void migration_instance_init(Object *obj)
{
MigrationState *ms = MIGRATION_OBJ(obj);
+ MigrationParameters *params = &ms->parameters;
ms->state = MIGRATION_STATUS_NONE;
ms->xbzrle_cache_size = DEFAULT_MIGRATE_CACHE_SIZE;
ms->mbps = -1;
- ms->parameters.tls_creds = g_strdup("");
- ms->parameters.tls_hostname = g_strdup("");
+
+ params->tls_hostname = g_strdup("");
+ params->tls_creds = g_strdup("");
+
+ /* Set has_* up only for parameter checks */
+ params->has_compress_level = true;
+ params->has_compress_threads = true;
+ params->has_decompress_threads = true;
+ params->has_cpu_throttle_initial = true;
+ params->has_cpu_throttle_increment = true;
+ params->has_max_bandwidth = true;
+ params->has_downtime_limit = true;
+ params->has_x_checkpoint_delay = true;
+ params->has_block_incremental = true;
+}
+
+/*
+ * Return true if check pass, false otherwise. Error will be put
+ * inside errp if provided.
+ */
+static bool migration_object_check(MigrationState *ms, Error **errp)
+{
+ if (!migrate_params_check(&ms->parameters, errp)) {
+ return false;
+ }
+
+ return true;
}
static const TypeInfo migration_type = {
--
2.9.4
- [Qemu-devel] [PULL 03/16] migration/rdma: fix qemu_rdma_block_for_wrid error paths, (continued)
- [Qemu-devel] [PULL 03/16] migration/rdma: fix qemu_rdma_block_for_wrid error paths, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 04/16] migration/rdma: Allow cancelling while waiting for wrid, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 05/16] migration/rdma: Safely convert control types, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 06/16] migration/rdma: Send error during cancelling, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 07/16] qdev: provide DEFINE_PROP_INT64(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 09/16] migration: export capabilities to props, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 08/16] migration: export parameters to props, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 10/16] migration: introduce migrate_params_check(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 11/16] migration: provide migrate_params_apply(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 13/16] migration: remove check against colo support, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 12/16] migration: check global params for validity,
Juan Quintela <=
- [Qemu-devel] [PULL 14/16] migration: provide migrate_caps_check(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 15/16] migration: provide migrate_cap_add(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 16/16] migration: check global caps for validity, Juan Quintela, 2017/07/18
- Re: [Qemu-devel] [PULL 00/16] Migration, no-reply, 2017/07/18
- Re: [Qemu-devel] [PULL 00/16] Migration, Peter Maydell, 2017/07/19