2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG
5 * Author: Corvin Köhne <c.koehne@beckhoff.com>
14 struct passthru_softc;
16 typedef int (*cfgread_handler)(struct passthru_softc *sc,
17 struct pci_devinst *pi, int coff, int bytes, uint32_t *rv);
18 typedef int (*cfgwrite_handler)(struct passthru_softc *sc,
19 struct pci_devinst *pi, int coff, int bytes, uint32_t val);
21 uint32_t read_config(const struct pcisel *sel, long reg, int width);
22 void write_config(const struct pcisel *sel, long reg, int width, uint32_t data);
23 int passthru_cfgread_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
24 int coff, int bytes, uint32_t *rv);
25 int passthru_cfgwrite_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
26 int coff, int bytes, uint32_t val);
27 int set_pcir_handler(struct passthru_softc *sc, int reg, int len,
28 cfgread_handler rhandler, cfgwrite_handler whandler);