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[PATCH v4 16/18] migration/rdma: add rdma_channel into Migrationstate fi
From: |
Chuan Zheng |
Subject: |
[PATCH v4 16/18] migration/rdma: add rdma_channel into Migrationstate field |
Date: |
Wed, 3 Feb 2021 16:01:49 +0800 |
Multifd RDMA is need to poll when we send data, record it.
Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
---
migration/migration.c | 1 +
migration/migration.h | 1 +
migration/rdma.c | 14 ++++++++++++++
3 files changed, 16 insertions(+)
diff --git a/migration/migration.c b/migration/migration.c
index b8f4844..47bd11d 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1926,6 +1926,7 @@ void migrate_init(MigrationState *s)
s->migration_thread_running = false;
s->enabled_rdma_migration = false;
s->host_port = NULL;
+ s->rdma_channel = 0;
error_free(s->error);
s->error = NULL;
s->hostname = NULL;
diff --git a/migration/migration.h b/migration/migration.h
index 537ee09..5ff46e6 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -288,6 +288,7 @@ struct MigrationState {
/* Need by Multi-RDMA */
char *host_port;
+ int rdma_channel;
};
void migrate_set_state(int *state, int old_state, int new_state);
diff --git a/migration/rdma.c b/migration/rdma.c
index f5eb563..2097839 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -183,6 +183,20 @@ typedef struct {
} RDMAWorkRequestData;
/*
+ * Get the multifd RDMA channel used to send data.
+ */
+static int get_multifd_RDMA_channel(void)
+{
+ int thread_count = migrate_multifd_channels();
+ MigrationState *s = migrate_get_current();
+
+ s->rdma_channel++;
+ s->rdma_channel %= thread_count;
+
+ return s->rdma_channel;
+}
+
+/*
* Negotiate RDMA capabilities during connection-setup time.
*/
typedef struct {
--
1.8.3.1
- [PATCH v4 15/18] migration/rdma: only register the memory for multifd channels, (continued)
- [PATCH v4 15/18] migration/rdma: only register the memory for multifd channels, Chuan Zheng, 2021/02/03
- [PATCH v4 06/18] migration/rdma: export MultiFDSendParams/MultiFDRecvParams, Chuan Zheng, 2021/02/03
- [PATCH v4 14/18] migration/rdma: register memory for multifd RDMA channels, Chuan Zheng, 2021/02/03
- [PATCH v4 08/18] migration/rdma: export getQIOChannel to get QIOchannel in rdma, Chuan Zheng, 2021/02/03
- [PATCH v4 10/18] migration/rdma: Create the multifd recv channels for RDMA, Chuan Zheng, 2021/02/03
- [PATCH v4 16/18] migration/rdma: add rdma_channel into Migrationstate field,
Chuan Zheng <=
- [PATCH v4 18/18] migration/rdma: RDMA cleanup for multifd migration, Chuan Zheng, 2021/02/03
- [PATCH v4 09/18] migration/rdma: add multifd_rdma_load_setup() to setup multifd rdma, Chuan Zheng, 2021/02/03
- [PATCH v4 17/18] migration/rdma: send data for both rdma-pin-all and NOT rdma-pin-all mode, Chuan Zheng, 2021/02/03