ENUM USB4_SB_TARGET(9)

🌸 NAME 🌸

enum usb4_sb_target(9) — Sideband transaction target. This is from the Kernel API Manual, bestie, and it's literally an enum about where a sideband transaction is pointed. Iconic.

✨ SYNOPSIS ✨

enum usb4_sb_target {
    USB4_SB_TARGET_ROUTER ,
    USB4_SB_TARGET_PARTNER ,
    USB4_SB_TARGET_RETIMER

};

🎀 Constants 🎀

• USB4_SB_TARGET_ROUTER — Target is the router itself. Main character behavior, honestly.
• USB4_SB_TARGET_PARTNER — Target is partner. Short, sweet, slay.
• USB4_SB_TARGET_RETIMER — Target is retimer. No cap.

🔥 SEE ALSO 🔥

Kernel file ./drivers/thunderbolt/tb.h is where it's at, and the whole SEE ALSO squad is:

• struct tb_nvm(9)
• enum tb_switch_tmu_mode(9)
• struct tb_switch_tmu(9)
• struct tb_switch(9)
• struct tb_bandwidth_group(9)
• struct tb_port(9)
• struct usb4_port(9)
• struct tb_retimer(9)
• struct tb_path_hop(9)
• enum tb_path_port(9)
• struct tb_path(9)
• struct tb_cm_ops(9)
• tb_upstream_port(9)
• tb_is_upstream_port(9)
• tb_port_has_remote(9)
• tb_domain_event(9)
• tb_switch_for_each_port(9)
• tb_switch_downstream_port(9)
• tb_switch_depth(9)
• tb_switch_is_icm(9)
• tb_switch_tmu_is_configured(9)
• tb_switch_tmu_is_enabled(9)
• tb_switch_clx_is_enabled(9)
• tb_port_path_direction_downstream(9)
• tb_for_each_port_on_path(9)
• tb_for_each_upstream_port_on_path(9)
• tb_path_for_each_hop(9)
• tb_downstream_route(9)
• tb_xdomain_downstream_port(9)
• usb4_switch_version(9)
• tb_switch_is_usb4(9)
• enum usb4_margin_sw_error_counter(9)
• struct usb4_port_margining_params(9)

Okay that's the whole page, bestie 💖 Cute little sign-off: this one lives under source ./drivers/thunderbolt, dated October 2026, and the page title is enum usb4_sb_target(9). Byeee 🦋💜