diff options
Diffstat (limited to 'drivers/thunderbolt/tunnel.h')
| -rw-r--r-- | drivers/thunderbolt/tunnel.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/thunderbolt/tunnel.h b/drivers/thunderbolt/tunnel.h index c68bbcd3a62c..ba888da005f5 100644 --- a/drivers/thunderbolt/tunnel.h +++ b/drivers/thunderbolt/tunnel.h @@ -27,8 +27,11 @@ enum tb_tunnel_type { * @npaths: Number of paths in @paths * @init: Optional tunnel specific initialization * @activate: Optional tunnel specific activation/deactivation + * @consumed_bandwidth: Return how much bandwidth the tunnel consumes * @list: Tunnels are linked using this field * @type: Type of the tunnel + * @max_bw: Maximum bandwidth (Mb/s) available for the tunnel (only for DP). + * Only set if the bandwidth needs to be limited. */ struct tb_tunnel { struct tb *tb; @@ -38,8 +41,10 @@ struct tb_tunnel { size_t npaths; int (*init)(struct tb_tunnel *tunnel); int (*activate)(struct tb_tunnel *tunnel, bool activate); + int (*consumed_bandwidth)(struct tb_tunnel *tunnel); struct list_head list; enum tb_tunnel_type type; + unsigned int max_bw; }; struct tb_tunnel *tb_tunnel_discover_pci(struct tb *tb, struct tb_port *down); @@ -47,7 +52,7 @@ struct tb_tunnel *tb_tunnel_alloc_pci(struct tb *tb, struct tb_port *up, struct tb_port *down); 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_port *out, int max_bw); 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, @@ -58,6 +63,9 @@ int tb_tunnel_activate(struct tb_tunnel *tunnel); int tb_tunnel_restart(struct tb_tunnel *tunnel); void tb_tunnel_deactivate(struct tb_tunnel *tunnel); bool tb_tunnel_is_invalid(struct tb_tunnel *tunnel); +bool tb_tunnel_switch_on_path(const struct tb_tunnel *tunnel, + const struct tb_switch *sw); +int tb_tunnel_consumed_bandwidth(struct tb_tunnel *tunnel); static inline bool tb_tunnel_is_pci(const struct tb_tunnel *tunnel) { |