qemu-kvm/kvm-migration-Create-migration_is_running.patch

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* Wed Mar 11 2020 Danilo Cesar Lemes de Paula <ddepaula@redhat.com> - 4.2.0-14.el8 - kvm-hw-smbios-set-new-default-SMBIOS-fields-for-Windows-.patch [bz#1782529] - kvm-migration-multifd-clean-pages-after-filling-packet.patch [bz#1738451] - kvm-migration-Make-sure-that-we-don-t-call-write-in-case.patch [bz#1738451] - kvm-migration-multifd-fix-nullptr-access-in-terminating-.patch [bz#1738451] - kvm-migration-multifd-fix-destroyed-mutex-access-in-term.patch [bz#1738451] - kvm-multifd-Make-sure-that-we-don-t-do-any-IO-after-an-e.patch [bz#1738451] - kvm-qemu-file-Don-t-do-IO-after-shutdown.patch [bz#1738451] - kvm-migration-Don-t-send-data-if-we-have-stopped.patch [bz#1738451] - kvm-migration-Create-migration_is_running.patch [bz#1738451] - kvm-migration-multifd-fix-nullptr-access-in-multifd_send.patch [bz#1738451] - kvm-migration-Maybe-VM-is-paused-when-migration-is-cance.patch [bz#1738451] - kvm-virtiofsd-Remove-fuse_req_getgroups.patch [bz#1797064] - kvm-virtiofsd-fv_create_listen_socket-error-path-socket-.patch [bz#1797064] - kvm-virtiofsd-load_capng-missing-unlock.patch [bz#1797064] - kvm-virtiofsd-do_read-missing-NULL-check.patch [bz#1797064] - kvm-tools-virtiofsd-fuse_lowlevel-Fix-fuse_out_header-er.patch [bz#1797064] - kvm-virtiofsd-passthrough_ll-cleanup-getxattr-listxattr.patch [bz#1797064] - kvm-virtiofsd-Fix-xattr-operations.patch [bz#1797064] - Resolves: bz#1738451 (qemu on src host core dump after set multifd-channels and do migration twice (first migration execute migrate_cancel)) - Resolves: bz#1782529 (Windows Update Enablement with default smbios strings in qemu) - Resolves: bz#1797064 (virtiofsd: Fixes)
2020-03-11 20:25:54 +00:00
From c9e3d13d70a24bf606ce351886b27bdca25ef4dc Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Tue, 3 Mar 2020 14:51:41 +0000
Subject: [PATCH 09/18] migration: Create migration_is_running()
RH-Author: Juan Quintela <quintela@redhat.com>
Message-id: <20200303145143.149290-9-quintela@redhat.com>
Patchwork-id: 94115
O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH v2 08/10] migration: Create migration_is_running()
Bugzilla: 1738451
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Acked-by: Peter Xu <peterx@redhat.com>
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This function returns true if we are in the middle of a migration.
It is like migration_is_setup_or_active() with CANCELLING and COLO.
Adapt all callers that are needed.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 392d87e21325fdb01210176faa07472b4985ccf0)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
migration/migration.c | 29 ++++++++++++++++++++++++-----
migration/migration.h | 1 +
migration/savevm.c | 4 +---
3 files changed, 26 insertions(+), 8 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 30c53c6..eb50d77 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -831,6 +831,27 @@ bool migration_is_setup_or_active(int state)
}
}
+bool migration_is_running(int state)
+{
+ switch (state) {
+ case MIGRATION_STATUS_ACTIVE:
+ case MIGRATION_STATUS_POSTCOPY_ACTIVE:
+ case MIGRATION_STATUS_POSTCOPY_PAUSED:
+ case MIGRATION_STATUS_POSTCOPY_RECOVER:
+ case MIGRATION_STATUS_SETUP:
+ case MIGRATION_STATUS_PRE_SWITCHOVER:
+ case MIGRATION_STATUS_DEVICE:
+ case MIGRATION_STATUS_WAIT_UNPLUG:
+ case MIGRATION_STATUS_CANCELLING:
+ case MIGRATION_STATUS_COLO:
+ return true;
+
+ default:
+ return false;
+
+ }
+}
+
static void populate_time_info(MigrationInfo *info, MigrationState *s)
{
info->has_status = true;
@@ -1090,7 +1111,7 @@ void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params,
MigrationCapabilityStatusList *cap;
bool cap_list[MIGRATION_CAPABILITY__MAX];
- if (migration_is_setup_or_active(s->state)) {
+ if (migration_is_running(s->state)) {
error_setg(errp, QERR_MIGRATION_ACTIVE);
return;
}
@@ -1603,7 +1624,7 @@ static void migrate_fd_cancel(MigrationState *s)
do {
old_state = s->state;
- if (!migration_is_setup_or_active(old_state)) {
+ if (!migration_is_running(old_state)) {
break;
}
/* If the migration is paused, kick it out of the pause */
@@ -1900,9 +1921,7 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
return true;
}
- if (migration_is_setup_or_active(s->state) ||
- s->state == MIGRATION_STATUS_CANCELLING ||
- s->state == MIGRATION_STATUS_COLO) {
+ if (migration_is_running(s->state)) {
error_setg(errp, QERR_MIGRATION_ACTIVE);
return false;
}
diff --git a/migration/migration.h b/migration/migration.h
index 0b1b0d4..a2b2336 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -279,6 +279,7 @@ void migrate_fd_error(MigrationState *s, const Error *error);
void migrate_fd_connect(MigrationState *s, Error *error_in);
bool migration_is_setup_or_active(int state);
+bool migration_is_running(int state);
void migrate_init(MigrationState *s);
bool migration_is_blocked(Error **errp);
diff --git a/migration/savevm.c b/migration/savevm.c
index a80bb52..144ecf0 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1506,9 +1506,7 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp)
MigrationState *ms = migrate_get_current();
MigrationStatus status;
- if (migration_is_setup_or_active(ms->state) ||
- ms->state == MIGRATION_STATUS_CANCELLING ||
- ms->state == MIGRATION_STATUS_COLO) {
+ if (migration_is_running(ms->state)) {
error_setg(errp, QERR_MIGRATION_ACTIVE);
return -EINVAL;
}
--
1.8.3.1