epf_ntb_add_cfs(9)

💅 epf_ntb_add_cfs(9) — the Kernel API Manual, but make it cute 💅

okay so bestie, welcome to epf_ntb_add_cfs(9) from the Kernel API Manual. This is the NTB configfs directory helper, and we’re gonna walk through it together, no cap. ✨

🎀 NAME 🎀

epf_ntb_add_cfs — add configfs directory specific to NTB. 💖

✨ SYNOPSIS ✨

struct config_group * epf_ntb_add_cfs (struct pci_epf *epf , struct
       config_group *group );

🫶 ARGUMENTS 🫶

• epf — the NTB endpoint function device. literally the device we’re doing this for, bestie. 🦋
• group — a pointer to the config_group structure referencing a group of config_items of a specific type that belong to a specific sub-system. it’s giving “group chat for config items,” iykyk. 💅

🌈 DESCRIPTION 🌈

Add configfs directory specific to NTB. This directory will hold NTB specific properties like db_count, spad_count, num_mws etc., — so yes, it’s the little hangout spot for those NTB-specific properties. 🎀✨

👑 RETURN 👑

Pointer to config_group. periodt. 💖

🦋 SEE ALSO 🦋

• Kernel file ./drivers/pci/endpoint/functions/pci-epf-vntb.c
• epf_ntb_link_up(9)
• epf_ntb_configure_mw(9)
• epf_ntb_teardown_mw(9)
• epf_ntb_cmd_handler(9)
• epf_ntb_config_sspad_bar_clear(9)
• epf_ntb_config_sspad_bar_set(9)
• epf_ntb_config_spad_bar_free(9)
• epf_ntb_config_spad_bar_alloc(9)
• epf_ntb_configure_interrupt(9)
• epf_ntb_db_bar_init(9)
• epf_ntb_db_bar_clear(9)
• epf_ntb_mw_bar_init(9)
• epf_ntb_mw_bar_clear(9)
• epf_ntb_is_bar_used(9)
• epf_ntb_find_bar(9)
• epf_ntb_init_epc_bar(9)
• epf_ntb_epc_init(9)
• epf_ntb_epc_cleanup(9)
• epf_ntb_bind(9)
• epf_ntb_unbind(9)
• epf_ntb_probe(9)

mwah 💋 — this lil’ page is epf_ntb_add_cfs(9), with source/version footer ./drivers/pci/endpoint/functions and date October 2026. she ate, fr fr. 🍓👑