diff options
Diffstat (limited to 'drivers/thunderbolt/tunnel.h')
| -rw-r--r-- | drivers/thunderbolt/tunnel.h | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/drivers/thunderbolt/tunnel.h b/drivers/thunderbolt/tunnel.h index c68bbcd3a62c..1d2a64eb060d 100644 --- a/drivers/thunderbolt/tunnel.h +++ b/drivers/thunderbolt/tunnel.h @@ -15,6 +15,7 @@ enum tb_tunnel_type { TB_TUNNEL_PCI, TB_TUNNEL_DP, TB_TUNNEL_DMA, + TB_TUNNEL_USB3, }; /** @@ -27,8 +28,17 @@ 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 + * @release_unused_bandwidth: Release all unused bandwidth + * @reclaim_available_bandwidth: Reclaim back available bandwidth * @list: Tunnels are linked using this field * @type: Type of the tunnel + * @max_up: Maximum upstream bandwidth (Mb/s) available for the tunnel. + * Only set if the bandwidth needs to be limited. + * @max_down: Maximum downstream bandwidth (Mb/s) available for the tunnel. + * Only set if the bandwidth needs to be limited. + * @allocated_up: Allocated upstream bandwidth (only for USB3) + * @allocated_down: Allocated downstream bandwidth (only for USB3) */ struct tb_tunnel { struct tb *tb; @@ -38,8 +48,18 @@ 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, int *consumed_up, + int *consumed_down); + int (*release_unused_bandwidth)(struct tb_tunnel *tunnel); + void (*reclaim_available_bandwidth)(struct tb_tunnel *tunnel, + int *available_up, + int *available_down); struct list_head list; enum tb_tunnel_type type; + int max_up; + int max_down; + int allocated_up; + int allocated_down; }; struct tb_tunnel *tb_tunnel_discover_pci(struct tb *tb, struct tb_port *down); @@ -47,17 +67,30 @@ 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_up, + int max_down); 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); +struct tb_tunnel *tb_tunnel_discover_usb3(struct tb *tb, struct tb_port *down); +struct tb_tunnel *tb_tunnel_alloc_usb3(struct tb *tb, struct tb_port *up, + struct tb_port *down, int max_up, + int max_down); void tb_tunnel_free(struct tb_tunnel *tunnel); 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_port_on_path(const struct tb_tunnel *tunnel, + const struct tb_port *port); +int tb_tunnel_consumed_bandwidth(struct tb_tunnel *tunnel, int *consumed_up, + int *consumed_down); +int tb_tunnel_release_unused_bandwidth(struct tb_tunnel *tunnel); +void tb_tunnel_reclaim_available_bandwidth(struct tb_tunnel *tunnel, + int *available_up, + int *available_down); static inline bool tb_tunnel_is_pci(const struct tb_tunnel *tunnel) { @@ -74,5 +107,10 @@ static inline bool tb_tunnel_is_dma(const struct tb_tunnel *tunnel) return tunnel->type == TB_TUNNEL_DMA; } +static inline bool tb_tunnel_is_usb3(const struct tb_tunnel *tunnel) +{ + return tunnel->type == TB_TUNNEL_USB3; +} + #endif |