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charset="utf-8" Signed-off-by: Chuan Zheng Reviewed-by: Dr. David Alan Gilbert --- migration/rdma.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/migration/rdma.c b/migration/rdma.c index ad4e4ba..2baa933 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -4010,6 +4010,48 @@ static void rdma_accept_incoming_migration(void *opa= que) } } =20 +static bool multifd_rdma_load_setup(const char *host_port, + RDMAContext *rdma, Error **errp) +{ + int thread_count; + int i; + int idx; + MultiFDRecvParams *multifd_recv_param; + RDMAContext *multifd_rdma; + + if (!migrate_use_multifd()) { + return true; + } + + if (multifd_load_setup(errp) !=3D 0) { + /* + * We haven't been able to create multifd threads + * nothing better to do + */ + return false; + } + + thread_count =3D migrate_multifd_channels(); + for (i =3D 0; i < thread_count; i++) { + if (get_multifd_recv_param(i, &multifd_recv_param) < 0) { + ERROR(errp, "rdma: error getting multifd_recv_param(%d)", i); + return false; + } + + multifd_rdma =3D qemu_rdma_data_init(host_port, errp); + for (idx =3D 0; idx < RDMA_WRID_MAX; idx++) { + multifd_rdma->wr_data[idx].control_len =3D 0; + multifd_rdma->wr_data[idx].control_curr =3D NULL; + } + /* the CM channel and CM id is shared */ + multifd_rdma->channel =3D rdma->channel; + multifd_rdma->listen_id =3D rdma->listen_id; + multifd_recv_param->rdma =3D (void *)multifd_rdma; + } + + return true; +} + void rdma_start_incoming_migration(const char *host_port, Error **errp) { int ret; @@ -4057,6 +4099,16 @@ void rdma_start_incoming_migration(const char *host_= port, Error **errp) qemu_rdma_return_path_dest_init(rdma_return_path, rdma); } =20 + /* multifd rdma setup */ + if (!multifd_rdma_load_setup(host_port, rdma, &local_err)) { + /* + * We haven't been able to create multifd threads + * nothing better to do + */ + error_report_err(local_err); + goto err; + } + qemu_set_fd_handler(rdma->channel->fd, rdma_accept_incoming_migration, NULL, (void *)(intptr_t)rdma); return; --=20 1.8.3.1