thunderbolt: Add support for DMA tunnels

[linux-2.6-microblaze.git] / drivers / thunderbolt / tunnel.h

diff --git a/drivers/thunderbolt/tunnel.h b/drivers/thunderbolt/tunnel.h
index 0373779..c68bbcd 100644 (file)
--- a/drivers/thunderbolt/tunnel.h
+++ b/drivers/thunderbolt/tunnel.h
@@ -14,6 +14,7 @@
 enum tb_tunnel_type {
        TB_TUNNEL_PCI,
        TB_TUNNEL_DP,
+       TB_TUNNEL_DMA,
 };
 
 /**
@@ -47,6 +48,10 @@ struct tb_tunnel *tb_tunnel_alloc_pci(struct tb *tb, struct tb_port *up,
 struct tb_tunnel *tb_tunnel_discover_dp(struct tb *tb, struct tb_port *in);
 struct tb_tunnel *tb_tunnel_alloc_dp(struct tb *tb, struct tb_port *in,
                                     struct tb_port *out);
+struct tb_tunnel *tb_tunnel_alloc_dma(struct tb *tb, struct tb_port *nhi,
+                                     struct tb_port *dst, int transmit_ring,
+                                     int transmit_path, int receive_ring,
+                                     int receive_path);
 
 void tb_tunnel_free(struct tb_tunnel *tunnel);
 int tb_tunnel_activate(struct tb_tunnel *tunnel);
@@ -64,5 +69,10 @@ static inline bool tb_tunnel_is_dp(const struct tb_tunnel *tunnel)
        return tunnel->type == TB_TUNNEL_DP;
 }
 
+static inline bool tb_tunnel_is_dma(const struct tb_tunnel *tunnel)
+{
+       return tunnel->type == TB_TUNNEL_DMA;
+}
+
 #endif