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-rw-r--r--net/smc/smc_core.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 447bd52da0e2..1a16d51e2330 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -615,6 +615,38 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_rmb)
return 0;
}
+void smc_sndbuf_sync_sg_for_cpu(struct smc_connection *conn)
+{
+ struct smc_link_group *lgr = conn->lgr;
+
+ smc_ib_sync_sg_for_cpu(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
+ conn->sndbuf_desc, DMA_TO_DEVICE);
+}
+
+void smc_sndbuf_sync_sg_for_device(struct smc_connection *conn)
+{
+ struct smc_link_group *lgr = conn->lgr;
+
+ smc_ib_sync_sg_for_device(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
+ conn->sndbuf_desc, DMA_TO_DEVICE);
+}
+
+void smc_rmb_sync_sg_for_cpu(struct smc_connection *conn)
+{
+ struct smc_link_group *lgr = conn->lgr;
+
+ smc_ib_sync_sg_for_cpu(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
+ conn->rmb_desc, DMA_FROM_DEVICE);
+}
+
+void smc_rmb_sync_sg_for_device(struct smc_connection *conn)
+{
+ struct smc_link_group *lgr = conn->lgr;
+
+ smc_ib_sync_sg_for_device(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
+ conn->rmb_desc, DMA_FROM_DEVICE);
+}
+
/* create the send and receive buffer for an SMC socket;
* receive buffers are called RMBs;
* (even though the SMC protocol allows more than one RMB-element per RMB,