1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG 5 * Author: Corvin Köhne <c.koehne@beckhoff.com> 6 */ 7 8 #pragma once 9 10 #include <vmmapi.h> 11 12 #include "pci_emul.h" 13 14 struct passthru_softc; 15 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); 20 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); 29