STRUCT IUDMA_CH_CFG(9)

okay so bestie, welcome to the struct iudma_ch_cfg(9) page from the Kernel API Manual 💖✨. this is the static config blueprint for an IUDMA channel — like the little form that says what vibe the channel is supposed to have. no cap, every field matters 🫶.

🎀 NAME 🎀

struct iudma_ch_cfg — Static configuration for an IUDMA channel. 💅

✨ SYNOPSIS ✨

here's the struct in all its glory, bestie — do not mess with the layout:

       struct iudma_ch_cfg {
           int ep_num;
           int n_bds;
           int ep_type;
           int dir;
           int n_fifo_slots;
           int max_pkt_hs;
           int max_pkt_fs;
        };

💅 Members 💅

• ep_num — USB endpoint number. 🦋
• n_bds — number of buffer descriptors in the ring. ✨
• ep_type — endpoint type (control, bulk, interrupt). 🎀
• dir — direction (in, out). 💫
• n_fifo_slots — number of FIFO entries to allocate for this channel. 🌸
• max_pkt_hs — maximum packet size in high speed mode. 🔥
• max_pkt_fs — maximum packet size in full speed mode. 🌈

🌈 SEE ALSO 🌈

like, go read these too, iykyk 👑:

• Kernel file ./drivers/usb/gadget/udc/bcm63xx_udc.c
• struct iudma_ch(9)
• struct bcm63xx_ep(9)
• struct bcm63xx_req(9)
• struct bcm63xx_udc(9)
• bcm63xx_ep_dma_select(9)
• bcm63xx_set_stall(9)
• bcm63xx_fifo_setup(9)
• bcm63xx_fifo_reset_ep(9)
• bcm63xx_fifo_reset(9)
• bcm63xx_ep_init(9)
• bcm63xx_ep_setup(9)
• iudma_write(9)
• iudma_read(9)
• iudma_reset_channel(9)
• iudma_init_channel(9)
• iudma_init(9)
• iudma_uninit(9)
• bcm63xx_set_ctrl_irqs(9)
• bcm63xx_select_phy_mode(9)
• bcm63xx_select_pullup(9)
• bcm63xx_uninit_udc_hw(9)
• bcm63xx_init_udc_hw(9)
• bcm63xx_ep_enable(9)
• bcm63xx_ep_disable(9)
• bcm63xx_udc_alloc_request(9)
• bcm63xx_udc_free_request(9)
• bcm63xx_udc_queue(9)
• bcm63xx_udc_dequeue(9)
• bcm63xx_udc_set_halt(9)
• bcm63xx_udc_set_wedge(9)
• bcm63xx_ep0_setup_callback(9)
• bcm63xx_ep0_spoof_set_cfg(9)
• bcm63xx_ep0_spoof_set_iface(9)
• bcm63xx_ep0_map_write(9)
• bcm63xx_ep0_complete(9)
• bcm63xx_ep0_nuke_reply(9)
• bcm63xx_ep0_read_complete(9)
• bcm63xx_ep0_internal_request(9)
• bcm63xx_ep0_do_setup(9)
• bcm63xx_ep0_do_idle(9)
• bcm63xx_ep0_one_round(9)
• bcm63xx_ep0_process(9)
• bcm63xx_udc_get_frame(9)
• bcm63xx_udc_pullup(9)
• bcm63xx_udc_start(9)
• bcm63xx_udc_stop(9)
• bcm63xx_update_cfg_iface(9)
• bcm63xx_update_link_speed(9)
• bcm63xx_update_wedge(9)
• bcm63xx_udc_ctrl_isr(9)
• bcm63xx_udc_data_isr(9)
• bcm63xx_udc_init_debugfs(9)
• bcm63xx_udc_cleanup_debugfs(9)
• bcm63xx_udc_probe(9)
• bcm63xx_udc_remove(9)

okay that's the whole page, bestie — mwah 🫶💖. source/version moment: this one lives under ./drivers/usb/gadget/udc, dated October 2026, for struct iudma_ch_cfg(9) 🌈✨.