xhci_sideband_add_endpoint(9)

💖 xhci_sideband_add_endpoint — the Kernel API Manual glow-up ✨

okay so bestie, welcome to the xhci_sideband_add_endpoint page — yes that's the whole name, she's long but she's worth it 💅

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🌸 NAME 🌸

xhci_sideband_add_endpoint — literally just: add an endpoint to the sideband access list 🎀

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🦋 SYNOPSIS 🦋

int xhci_sideband_add_endpoint (struct xhci_sideband *sb , struct
       usb_host_endpoint *host_ep );

like, that's the whole vibe. two args, one int back. no cap 🫶

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✨ ARGUMENTS ✨

• sb — the sideband instance for this usb device 👑 she's the main character here
• host_ep — the usb host endpoint 🌈 that's the one getting added

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💫 DESCRIPTION 💫

so what she does: she adds an endpoint to the list of sideband accessed endpoints for this usb device. periodt 💅

and the way that this matters — after an endpoint is added, the sideband client can get the endpoint transfer ring buffer by calling xhci_sideband_endpoint_buffer 🔥 iykyk

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🎀 RETURN 🎀

• 0 on success 🥳
• negative error otherwise 😭

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⭐ SEE ALSO ⭐

• Kernel file ./drivers/usb/host/xhci-sideband.c
• xhci_sideband_notify_ep_ring_free(9), xhci_sideband_remove_endpoint(9), xhci_sideband_get_endpoint_buffer(9), xhci_sideband_get_event_buffer(9), xhci_sideband_check(9), xhci_sideband_create_interrupter(9), xhci_sideband_remove_interrupter(9), xhci_sideband_interrupter_id(9), xhci_sideband_register(9), xhci_sideband_unregister(9)

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ngl bestie, that's a whole friend group of sideband functions — go read them too, they're all in ./drivers/usb/host 🐛

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and that's the page!! mwah 💖 this one came from ./drivers/usb/host, dated October 2026, filed under xhci_sideband_add_endpoint(9) — slay, go forth and add those endpoints ✨🧚‍♀️