tb_available_credits(9)

✨ NAME ✨

okay bestie, welcome to tb_available_credits(9) from the Kernel API Manual — it's literally the page for Available credits for PCIe and DMA. That's the whole vibe. no cap. 🫶

🌸 SYNOPSIS 🌸

unsigned int tb_available_credits (const struct tb_port *port , size_t
*max_dp_streams );

🎀 ARGUMENTS 🎀

• port — the lane adapter to check. 👀
• max_dp_streams — if it's non-NULL, it stores the maximum number of simultaneous DP streams possible through this lane adapter. 💅

💖 RETURN 💖

It returns the number of available credits. slay, that's the whole return. ✨

🦋 SEE ALSO 🦋

The kernel file is ./drivers/thunderbolt/tunnel.c, and the related crew is:

• tb_tunnel_event(9)
• tb_tunnel_discover_pci(9)
• tb_tunnel_alloc_pci(9)
• tb_tunnel_reserved_pci(9)
• tb_dp_bandwidth_mode_maximum_bandwidth(9)
• tb_tunnel_discover_dp(9)
• tb_tunnel_alloc_dp(9)
• tb_tunnel_alloc_dma(9)
• tb_tunnel_match_dma(9)
• tb_tunnel_discover_usb3(9)
• tb_tunnel_alloc_usb3(9)
• tb_tunnel_is_invalid(9)
• tb_tunnel_activate(9)
• tb_tunnel_deactivate(9)
• tb_tunnel_port_on_path(9)
• tb_tunnel_maximum_bandwidth(9)
• tb_tunnel_allocated_bandwidth(9)
• tb_tunnel_alloc_bandwidth(9)
• tb_tunnel_consumed_bandwidth(9)
• tb_tunnel_release_unused_bandwidth(9)
• tb_tunnel_reclaim_available_bandwidth(9)

okay that's the page, bestie — source/version ./drivers/thunderbolt, date October 2026, page tb_available_credits(9). mwah 💋