22  * struct tb_tunnel - Tunnel between two ports
24  * @src_port: Source port of the tunnel
25  * @dst_port: Destination port of the tunnel. For discovered incomplete
27  * @paths: All paths required by the tunnel
29  * @init: Optional tunnel specific initialization
30  * @deinit: Optional tunnel specific de-initialization
31  * @activate: Optional tunnel specific activation/deactivation
32  * @maximum_bandwidth: Returns maximum possible bandwidth for this tunnel
33  * @allocated_bandwidth: Return how much bandwidth is allocated for the tunnel
34  * @alloc_bandwidth: Change tunnel bandwidth allocation
35  * @consumed_bandwidth: Return how much bandwidth the tunnel consumes
39  * @type: Type of the tunnel
40  * @max_up: Maximum upstream bandwidth (Mb/s) available for the tunnel.
42  * @max_down: Maximum downstream bandwidth (Mb/s) available for the tunnel.
55 	int (*init)(struct tb_tunnel *tunnel);
56 	void (*deinit)(struct tb_tunnel *tunnel);
57 	int (*activate)(struct tb_tunnel *tunnel, bool activate);
58 	int (*maximum_bandwidth)(struct tb_tunnel *tunnel, int *max_up,
60 	int (*allocated_bandwidth)(struct tb_tunnel *tunnel, int *allocated_up,
62 	int (*alloc_bandwidth)(struct tb_tunnel *tunnel, int *alloc_up,
64 	int (*consumed_bandwidth)(struct tb_tunnel *tunnel, int *consumed_up,
66 	int (*release_unused_bandwidth)(struct tb_tunnel *tunnel);
67 	void (*reclaim_available_bandwidth)(struct tb_tunnel *tunnel,
94 bool tb_tunnel_match_dma(const struct tb_tunnel *tunnel, int transmit_path,
102 void tb_tunnel_free(struct tb_tunnel *tunnel);
103 int tb_tunnel_activate(struct tb_tunnel *tunnel);
104 int tb_tunnel_restart(struct tb_tunnel *tunnel);
105 void tb_tunnel_deactivate(struct tb_tunnel *tunnel);
106 bool tb_tunnel_is_invalid(struct tb_tunnel *tunnel);
107 bool tb_tunnel_port_on_path(const struct tb_tunnel *tunnel,
109 int tb_tunnel_maximum_bandwidth(struct tb_tunnel *tunnel, int *max_up,
111 int tb_tunnel_allocated_bandwidth(struct tb_tunnel *tunnel, int *allocated_up,
113 int tb_tunnel_alloc_bandwidth(struct tb_tunnel *tunnel, int *alloc_up,
115 int tb_tunnel_consumed_bandwidth(struct tb_tunnel *tunnel, int *consumed_up,
117 int tb_tunnel_release_unused_bandwidth(struct tb_tunnel *tunnel);
118 void tb_tunnel_reclaim_available_bandwidth(struct tb_tunnel *tunnel,
122 static inline bool tb_tunnel_is_pci(const struct tb_tunnel *tunnel)  in tb_tunnel_is_pci()  argument
124 	return tunnel->type == TB_TUNNEL_PCI;  in tb_tunnel_is_pci()
127 static inline bool tb_tunnel_is_dp(const struct tb_tunnel *tunnel)  in tb_tunnel_is_dp()  argument
129 	return tunnel->type == TB_TUNNEL_DP;  in tb_tunnel_is_dp()
132 static inline bool tb_tunnel_is_dma(const struct tb_tunnel *tunnel)  in tb_tunnel_is_dma()  argument
134 	return tunnel->type == TB_TUNNEL_DMA;  in tb_tunnel_is_dma()
137 static inline bool tb_tunnel_is_usb3(const struct tb_tunnel *tunnel)  in tb_tunnel_is_usb3()  argument
139 	return tunnel->type == TB_TUNNEL_USB3;  in tb_tunnel_is_usb3()
142 static inline bool tb_tunnel_direction_downstream(const struct tb_tunnel *tunnel)  in tb_tunnel_direction_downstream()  argument
144 	return tb_port_path_direction_downstream(tunnel->src_port,  in tb_tunnel_direction_downstream()
145 						 tunnel->dst_port);  in tb_tunnel_direction_downstream()
148 const char *tb_tunnel_type_name(const struct tb_tunnel *tunnel);
150 #define __TB_TUNNEL_PRINT(level, tunnel, fmt, arg...)                   \  argument
152 		struct tb_tunnel *__tunnel = (tunnel);                  \
162 #define tb_tunnel_WARN(tunnel, fmt, arg...) \  argument
163 	__TB_TUNNEL_PRINT(tb_WARN, tunnel, fmt, ##arg)
164 #define tb_tunnel_warn(tunnel, fmt, arg...) \  argument
165 	__TB_TUNNEL_PRINT(tb_warn, tunnel, fmt, ##arg)
166 #define tb_tunnel_info(tunnel, fmt, arg...) \  argument
167 	__TB_TUNNEL_PRINT(tb_info, tunnel, fmt, ##arg)
168 #define tb_tunnel_dbg(tunnel, fmt, arg...) \  argument
169 	__TB_TUNNEL_PRINT(tb_dbg, tunnel, fmt, ##arg)