From: Chuan Zheng <zhengchuan@huawei.com>
To: <quintela@redhat.com>, <dgilbert@redhat.com>
Cc: yubihong@huawei.com, zhang.zhanghailiang@huawei.com,
fengzhimin1@huawei.com, qemu-devel@nongnu.org,
xiexiangyou@huawei.com, alex.chen@huawei.com,
wanghao232@huawei.com
Subject: [PATCH v3 02/18] migration/rdma: judge whether or not the RDMA is used for migration
Date: Sat, 17 Oct 2020 12:25:32 +0800 [thread overview]
Message-ID: <1602908748-43335-3-git-send-email-zhengchuan@huawei.com> (raw)
In-Reply-To: <1602908748-43335-1-git-send-email-zhengchuan@huawei.com>
Add enabled_rdma_migration into MigrationState to judge
whether or not the RDMA is used for migration.
Signed-off-by: Zhimin Feng <fengzhimin1@huawei.com>
Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
---
migration/migration.c | 13 +++++++++++++
migration/migration.h | 6 ++++++
2 files changed, 19 insertions(+)
diff --git a/migration/migration.c b/migration/migration.c
index 64ae417..be6166a 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -389,7 +389,9 @@ void migrate_add_address(SocketAddress *address)
void qemu_start_incoming_migration(const char *uri, Error **errp)
{
const char *p = NULL;
+ MigrationState *s = migrate_get_current();
+ s->enabled_rdma_migration = false;
qapi_event_send_migration(MIGRATION_STATUS_SETUP);
if (!strcmp(uri, "defer")) {
deferred_incoming_migration(errp);
@@ -399,6 +401,7 @@ void qemu_start_incoming_migration(const char *uri, Error **errp)
socket_start_incoming_migration(p ? p : uri, errp);
#ifdef CONFIG_RDMA
} else if (strstart(uri, "rdma:", &p)) {
+ s->enabled_rdma_migration = true;
rdma_start_incoming_migration(p, errp);
#endif
} else if (strstart(uri, "exec:", &p)) {
@@ -1887,6 +1890,7 @@ void migrate_init(MigrationState *s)
s->start_postcopy = false;
s->postcopy_after_devices = false;
s->migration_thread_running = false;
+ s->enabled_rdma_migration = false;
error_free(s->error);
s->error = NULL;
s->hostname = NULL;
@@ -2115,6 +2119,7 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
socket_start_outgoing_migration(s, p ? p : uri, &local_err);
#ifdef CONFIG_RDMA
} else if (strstart(uri, "rdma:", &p)) {
+ s->enabled_rdma_migration = true;
rdma_start_outgoing_migration(s, p, &local_err);
#endif
} else if (strstart(uri, "exec:", &p)) {
@@ -2329,6 +2334,14 @@ bool migrate_use_events(void)
return s->enabled_capabilities[MIGRATION_CAPABILITY_EVENTS];
}
+bool migrate_use_rdma(void)
+{
+ MigrationState *s;
+ s = migrate_get_current();
+
+ return s->enabled_rdma_migration;
+}
+
bool migrate_use_rdma_pin_all(void)
{
MigrationState *s;
diff --git a/migration/migration.h b/migration/migration.h
index 74fd790..e92eb29 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -264,6 +264,11 @@ struct MigrationState
* This save hostname when out-going migration starts
*/
char *hostname;
+
+ /*
+ * Enable RDMA migration
+ */
+ bool enabled_rdma_migration;
};
void migrate_set_state(int *state, int old_state, int new_state);
@@ -300,6 +305,7 @@ bool migrate_ignore_shared(void);
bool migrate_validate_uuid(void);
bool migrate_auto_converge(void);
+bool migrate_use_rdma(void);
bool migrate_use_rdma_pin_all(void);
bool migrate_use_multifd(void);
bool migrate_pause_before_switchover(void);
--
1.8.3.1
next prev parent reply other threads:[~2020-10-17 4:18 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-17 4:25 [PATCH v3 00/18] Support Multifd for RDMA migration Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 01/18] migration/rdma: add the 'migrate_use_rdma_pin_all' function Chuan Zheng
2020-11-10 11:52 ` Dr. David Alan Gilbert
2020-10-17 4:25 ` Chuan Zheng [this message]
2020-10-17 4:25 ` [PATCH v3 03/18] migration/rdma: create multifd_setup_ops for Tx/Rx thread Chuan Zheng
2020-11-10 12:11 ` Dr. David Alan Gilbert
2020-11-11 7:51 ` Zheng Chuan
2020-10-17 4:25 ` [PATCH v3 04/18] migration/rdma: add multifd_setup_ops for rdma Chuan Zheng
2020-11-10 12:30 ` Dr. David Alan Gilbert
2020-11-11 7:56 ` Zheng Chuan
2020-10-17 4:25 ` [PATCH v3 05/18] migration/rdma: do not need sync main " Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 06/18] migration/rdma: export MultiFDSendParams/MultiFDRecvParams Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 07/18] migration/rdma: add rdma field into multifd send/recv param Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 08/18] migration/rdma: export getQIOChannel to get QIOchannel in rdma Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 09/18] migration/rdma: add multifd_rdma_load_setup() to setup multifd rdma Chuan Zheng
2020-11-10 16:51 ` Dr. David Alan Gilbert
2020-10-17 4:25 ` [PATCH v3 10/18] migration/rdma: Create the multifd recv channels for RDMA Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 11/18] migration/rdma: record host_port for multifd RDMA Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 12/18] migration/rdma: Create the multifd send channels for RDMA Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 13/18] migration/rdma: Add the function for dynamic page registration Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 14/18] migration/rdma: register memory for multifd RDMA channels Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 15/18] migration/rdma: only register the memory for multifd channels Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 16/18] migration/rdma: add rdma_channel into Migrationstate field Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 17/18] migration/rdma: send data for both rdma-pin-all and NOT rdma-pin-all mode Chuan Zheng
2020-10-17 4:25 ` [PATCH v3 18/18] migration/rdma: RDMA cleanup for multifd migration Chuan Zheng
2020-10-21 9:25 ` [PATCH v3 00/18] Support Multifd for RDMA migration Zhanghailiang
2020-10-21 9:33 ` Zheng Chuan
2020-10-23 19:02 ` Dr. David Alan Gilbert
2020-10-25 2:29 ` Zheng Chuan
2020-12-15 7:28 ` Zheng Chuan
2020-12-18 20:01 ` Dr. David Alan Gilbert
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