diff options
Diffstat (limited to 'drivers/thunderbolt/tunnel.h')
| -rw-r--r-- | drivers/thunderbolt/tunnel.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tunnel.h b/drivers/thunderbolt/tunnel.h index 07bf587bed80..0373779f43ba 100644 --- a/drivers/thunderbolt/tunnel.h +++ b/drivers/thunderbolt/tunnel.h @@ -11,6 +11,11 @@ #include "tb.h" +enum tb_tunnel_type { + TB_TUNNEL_PCI, + TB_TUNNEL_DP, +}; + /** * struct tb_tunnel - Tunnel between two ports * @tb: Pointer to the domain @@ -19,8 +24,10 @@ * tunnels may be %NULL or null adapter port instead. * @paths: All paths required by the tunnel * @npaths: Number of paths in @paths + * @init: Optional tunnel specific initialization * @activate: Optional tunnel specific activation/deactivation * @list: Tunnels are linked using this field + * @type: Type of the tunnel */ struct tb_tunnel { struct tb *tb; @@ -28,18 +35,34 @@ struct tb_tunnel { struct tb_port *dst_port; struct tb_path **paths; size_t npaths; + int (*init)(struct tb_tunnel *tunnel); int (*activate)(struct tb_tunnel *tunnel, bool activate); struct list_head list; + enum tb_tunnel_type type; }; struct tb_tunnel *tb_tunnel_discover_pci(struct tb *tb, struct tb_port *down); 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); + 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); +static inline bool tb_tunnel_is_pci(const struct tb_tunnel *tunnel) +{ + return tunnel->type == TB_TUNNEL_PCI; +} + +static inline bool tb_tunnel_is_dp(const struct tb_tunnel *tunnel) +{ + return tunnel->type == TB_TUNNEL_DP; +} + #endif |