zfcp_fsf_exc...ig_data_sync(9)

zfcp_fsf_exchange_config_data_sync(9) — Kernel API Manual ✨

🌸 NAME 🌸

Okay bestie, meet zfcp_fsf_exchange_config_data_sync — the Kernel API Manual function that is literally here to Request information about FCP channel. 💅

✨ SYNOPSIS ✨

int zfcp_fsf_exchange_config_data_sync (struct zfcp_qdio *qdio , struct
fsf_qtcb_bottom_config *data );

💖 ARGUMENTS 💖

• qdio — pointer to the QDIO-Queue to use for sending the command. 🫶
• data — pointer to the QTCB-Bottom for storing the result of the command, might be NULL. 🙈

🔥 RETURN 🔥

• 0 — Exchange Config Data was successful, data is complete ✅
• -EIO — Exchange Config Data was not successful, data is invalid 💀
• -EAGAIN — data contains incomplete data 😭
• -ENOMEM — Some memory allocation failed along the way 🫠

🦋 SEE ALSO 🦋

Kernel file ./drivers/s390/scsi/zfcp_fsf.c — and the whole squad: zfcp_fsf_req_free(9), zfcp_fsf_req_complete(9), zfcp_fsf_req_dismiss_all(9), zfcp_fsf_scnprint_fc_security(9), zfcp_fsf_status_read(9), zfcp_fsf_abort_fcp_cmnd(9), zfcp_fsf_send_ct(9), zfcp_fsf_send_els(9), zfcp_fsf_exchange_port_data(9), zfcp_fsf_exchange_port_data_sync(9), zfcp_fsf_open_port(9), zfcp_fsf_close_port(9), zfcp_fsf_open_wka_port(9), zfcp_fsf_close_wka_port(9), zfcp_fsf_close_physical_port(9), zfcp_fsf_open_lun(9), zfcp_fsf_close_lun(9), zfcp_fsf_fcp_handler_common(9), zfcp_fsf_fcp_cmnd(9), zfcp_fsf_fcp_task_mgmt(9), zfcp_fsf_reqid_check(9).

mwah 💋 sign-off time: source/version is ./drivers/s390/scsi, date is October 2026, and this is the Kernel API Manual — iconic, no cap. 🎀