tb_port_state(9)

✨ tb_port_state(9) ✨

okay so bestie, welcome to the Kernel API Manual entry for tb_port_state 💅 this one's a lil baby function but it's lowkey important, so let's get into it 🫶

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🌸 NAME 🌸

tb_port_state — get the connectedness state of a port 🦋

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⭐ SYNOPSIS ⭐

int tb_port_state (struct tb_port *port );

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🎀 ARGUMENTS 🎀

• port — the port you wanna check, bestie 👀 that's the one we're vibe-checking

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💖 DESCRIPTION 💖

so here's the thing, the port must have a TB_CAP_PHY — like, it should genuinely be a real port ✨ no fakes, no posers, only real ones 💅

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🔥 RETURN 🔥

returns enum tb_port_state when it slays, or a negative error code on failure 😭 (iykyk, always check your error codes fr fr)

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🧚 SEE ALSO 🧚

• Kernel file ./drivers/thunderbolt/switch.c
• tb_switch_nvm_read(9)
• tb_wait_for_port(9)
• tb_port_add_nfc_credits(9)
• tb_port_clear_counter(9)
• tb_port_unlock(9)
• tb_port_enable(9)
• tb_port_disable(9)
• tb_port_reset(9)
• tb_port_alloc_in_hopid(9)
• tb_port_alloc_out_hopid(9)
• tb_port_release_in_hopid(9)
• tb_port_release_out_hopid(9)
• tb_next_port_on_path(9)
• tb_port_get_link_speed(9)
• tb_port_get_link_generation(9)
• tb_port_get_link_width(9)
• tb_port_width_supported(9)
• tb_port_set_link_width(9)
• tb_port_set_lane_bonding(9)
• tb_port_lane_bonding_enable(9)
• tb_port_lane_bonding_disable(9)
• tb_port_wait_for_link_width(9)
• tb_port_update_credits(9)
• tb_port_is_enabled(9)
• tb_usb3_port_is_enabled(9)
• tb_usb3_port_enable(9)
• tb_pci_port_is_enabled(9)
• tb_pci_port_enable(9)
• tb_dp_port_hpd_is_active(9)
• tb_dp_port_hpd_clear(9)
• tb_dp_port_set_hops(9)
• tb_dp_port_is_enabled(9)
• tb_dp_port_enable(9)
• tb_switch_reset(9)
• tb_switch_wait_for_bit(9)
• tb_switch_alloc(9)
• tb_switch_alloc_safe_mode(9)
• tb_switch_configure(9)
• tb_switch_configuration_valid(9)
• tb_switch_lane_bonding_enable(9)
• tb_switch_lane_bonding_disable(9)
• tb_switch_set_link_width(9)
• tb_switch_configure_link(9)
• tb_switch_unconfigure_link(9)
• tb_switch_add(9)
• tb_switch_remove(9)
• tb_sw_set_unplugged(9)
• tb_switch_resume(9)
• tb_switch_suspend(9)
• tb_switch_query_dp_resource(9)
• tb_switch_alloc_dp_resource(9)
• tb_switch_dealloc_dp_resource(9)
• tb_switch_find_by_link_depth(9)
• tb_switch_find_by_uuid(9)
• tb_switch_find_by_route(9)
• tb_switch_find_port(9)
• tb_switch_pcie_l1_enable(9)
• tb_switch_xhci_connect(9)
• tb_switch_xhci_disconnect(9)

it's giving iconic reference list, honestly 🌈 go read them all, bestie, they ate 👑

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and that's the whole page, periodt 💜 this lil drop is from ./drivers/thunderbolt, dated October 2026, and yeah — this is your girl tb_port_state(9) signing off 🎀🦋 see you in the group chat ✨