xudc_handle_setup(9)

✨ xudc_handle_setup(9) ✨

okay so bestie, welcome to the Kernel API Manual, section 9 🎀 this one is literally about xudc_handle_setup, and yes it's as iconic as it sounds 💅

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🌸 NAME 🌸

xudc_handle_setup — processes the setup packet 💌

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🦋 SYNOPSIS 🦋

void xudc_handle_setup (struct xusb_udc *udc );

that's it. that's the whole vibe check. one function, one pointer, no cap ✨

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💖 ARGUMENTS 💖

• udc — pointer to the usb device controller structure 🫶 like, it's literally pointing at the usb device controller struct, that's the whole thing.

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🔥 DESCRIPTION 🔥

so what does it do bestie? it processes the setup packet and then delegates to the gadget layer 👑 that's the entire job description. honestly? main character energy. it shows up, handles the setup packet, hands the rest off to the gadget layer, and leaves. periodt 💅

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🧚 SEE ALSO 🧚

buckle up, this list is long and we are not skipping a single one, iykyk 💀

kernel file ./drivers/usb/gadget/udc/udc-xilinx.c

• struct xusb_req(9)
• struct xusb_ep(9)
• struct xusb_udc(9)
• xudc_write32(9)
• xudc_read32(9)
• xudc_write32_be(9)
• xudc_read32_be(9)
• xudc_wrstatus(9)
• xudc_epconfig(9)
• xudc_start_dma(9)
• xudc_dma_send(9)
• xudc_dma_receive(9)
• xudc_eptxrx(9)
• xudc_done(9)
• xudc_read_fifo(9)
• xudc_write_fifo(9)
• xudc_nuke(9)
• xudc_ep_set_halt(9)
• __xudc_ep_enable(9)
• xudc_ep_enable(9)
• xudc_ep_disable(9)
• xudc_ep_alloc_request(9)
• xudc_free_request(9)
• __xudc_ep0_queue(9)
• xudc_ep0_queue(9)
• xudc_ep_queue(9)
• xudc_ep_dequeue(9)
• xudc_ep0_enable(9)
• xudc_ep0_disable(9)
• xudc_get_frame(9)
• xudc_wakeup(9)
• xudc_pullup(9)
• xudc_eps_init(9)
• xudc_stop_activity(9)
• xudc_start(9)
• xudc_stop(9)
• xudc_clear_stall_all_ep(9)
• xudc_startup_handler(9)
• xudc_ep0_stall(9)
• xudc_setaddress(9)
• xudc_getstatus(9)
• xudc_set_clear_feature(9)
• xudc_ep0_out(9)
• xudc_ep0_in(9)
• xudc_ctrl_ep_handler(9)
• xudc_nonctrl_ep_handler(9)
• xudc_irq(9)
• xudc_probe(9)
• xudc_remove(9)

like, every single one of them. we ate and left no crumbs 🍓

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aaaand that's the page! courtesy of ./drivers/usb/gadget/udc, dated October 2026, filed under the Kernel API Manual obviously 💜 stay slay, go read your setup packets, mwah 🫶✨