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From c9e3d13d70a24bf606ce351886b27bdca25ef4dc Mon Sep 17 00:00:00 2001
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From: Juan Quintela <quintela@redhat.com>
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Date: Tue, 3 Mar 2020 14:51:41 +0000
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Subject: [PATCH 09/18] migration: Create migration_is_running()
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RH-Author: Juan Quintela <quintela@redhat.com>
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Message-id: <20200303145143.149290-9-quintela@redhat.com>
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Patchwork-id: 94115
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O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH v2 08/10] migration: Create migration_is_running()
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Bugzilla: 1738451
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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This function returns true if we are in the middle of a migration.
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It is like migration_is_setup_or_active() with CANCELLING and COLO.
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Adapt all callers that are needed.
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit 392d87e21325fdb01210176faa07472b4985ccf0)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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migration/migration.c | 29 ++++++++++++++++++++++++-----
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migration/migration.h | 1 +
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migration/savevm.c | 4 +---
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3 files changed, 26 insertions(+), 8 deletions(-)
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diff --git a/migration/migration.c b/migration/migration.c
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index 30c53c6..eb50d77 100644
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--- a/migration/migration.c
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+++ b/migration/migration.c
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@@ -831,6 +831,27 @@ bool migration_is_setup_or_active(int state)
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}
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}
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+bool migration_is_running(int state)
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+{
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+ switch (state) {
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+ case MIGRATION_STATUS_ACTIVE:
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+ case MIGRATION_STATUS_POSTCOPY_ACTIVE:
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+ case MIGRATION_STATUS_POSTCOPY_PAUSED:
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+ case MIGRATION_STATUS_POSTCOPY_RECOVER:
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+ case MIGRATION_STATUS_SETUP:
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+ case MIGRATION_STATUS_PRE_SWITCHOVER:
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+ case MIGRATION_STATUS_DEVICE:
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+ case MIGRATION_STATUS_WAIT_UNPLUG:
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+ case MIGRATION_STATUS_CANCELLING:
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+ case MIGRATION_STATUS_COLO:
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+ return true;
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+
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+ default:
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+ return false;
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+
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+ }
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+}
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+
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static void populate_time_info(MigrationInfo *info, MigrationState *s)
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{
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info->has_status = true;
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@@ -1090,7 +1111,7 @@ void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params,
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MigrationCapabilityStatusList *cap;
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bool cap_list[MIGRATION_CAPABILITY__MAX];
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- if (migration_is_setup_or_active(s->state)) {
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+ if (migration_is_running(s->state)) {
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error_setg(errp, QERR_MIGRATION_ACTIVE);
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return;
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}
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@@ -1603,7 +1624,7 @@ static void migrate_fd_cancel(MigrationState *s)
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do {
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old_state = s->state;
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- if (!migration_is_setup_or_active(old_state)) {
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+ if (!migration_is_running(old_state)) {
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break;
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}
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/* If the migration is paused, kick it out of the pause */
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@@ -1900,9 +1921,7 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
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return true;
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}
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- if (migration_is_setup_or_active(s->state) ||
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- s->state == MIGRATION_STATUS_CANCELLING ||
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- s->state == MIGRATION_STATUS_COLO) {
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+ if (migration_is_running(s->state)) {
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error_setg(errp, QERR_MIGRATION_ACTIVE);
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return false;
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}
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diff --git a/migration/migration.h b/migration/migration.h
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index 0b1b0d4..a2b2336 100644
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--- a/migration/migration.h
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+++ b/migration/migration.h
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@@ -279,6 +279,7 @@ void migrate_fd_error(MigrationState *s, const Error *error);
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void migrate_fd_connect(MigrationState *s, Error *error_in);
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bool migration_is_setup_or_active(int state);
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+bool migration_is_running(int state);
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void migrate_init(MigrationState *s);
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bool migration_is_blocked(Error **errp);
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diff --git a/migration/savevm.c b/migration/savevm.c
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index a80bb52..144ecf0 100644
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--- a/migration/savevm.c
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+++ b/migration/savevm.c
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@@ -1506,9 +1506,7 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp)
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MigrationState *ms = migrate_get_current();
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MigrationStatus status;
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- if (migration_is_setup_or_active(ms->state) ||
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- ms->state == MIGRATION_STATUS_CANCELLING ||
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- ms->state == MIGRATION_STATUS_COLO) {
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+ if (migration_is_running(ms->state)) {
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error_setg(errp, QERR_MIGRATION_ACTIVE);
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return -EINVAL;
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}
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--
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1.8.3.1
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