tb_lc_configure_xdomain(9)

💖 tb_lc_configure_xdomain(9) — Kernel API Manual 💖

okay bestie, welcome to the Kernel API Manual page for tb_lc_configure_xdomain(9). This is the one where we Inform LC that the link is XDomain — and honestly? It’s giving tiny-but-important. 🦋

🌸 NAME 🌸

• tb_lc_configure_xdomain — Inform LC that the link is XDomain. 🎀

✨ SYNOPSIS ✨

int tb_lc_configure_xdomain (struct tb_port *port );

🫶 ARGUMENTS 🫶

• port — Switch downstream port connected to another host. That’s the port you’re handing over, bestie. 💅

💅 DESCRIPTION 💅

Okay so this function sets the lane configured for XDomain accordingly so that LC knows about this. Literally its whole job: make sure the lane situation is set up so LC is in the know. No cap. 🎀✨

🔥 RETURN 🔥

• 0 on success. Slay. ✅
• negative errno otherwise. 😭

🌈 SEE ALSO 🌈

Kernel file: ./drivers/thunderbolt/lc.c — the home base for this whole situation. 💖

• tb_lc_read_uuid(9)
• tb_lc_reset_port(9)
• tb_lc_configure_port(9)
• tb_lc_unconfigure_port(9)
• tb_lc_unconfigure_xdomain(9)
• tb_lc_start_lane_initialization(9)
• tb_lc_is_clx_supported(9)
• tb_lc_is_usb_plugged(9)
• tb_lc_is_xhci_connected(9)
• tb_lc_xhci_connect(9)
• tb_lc_xhci_disconnect(9)
• tb_lc_set_wake(9)
• tb_lc_set_sleep(9)
• tb_lc_lane_bonding_possible(9)
• tb_lc_dp_sink_query(9)
• tb_lc_dp_sink_alloc(9)
• tb_lc_dp_sink_dealloc(9)
• tb_lc_force_power(9)

xoxo, your source/version ./drivers/thunderbolt, dated October 2026 — mwah bestie 💜🫶✨