60793cee27
The GVT-d emulation requires access to this selector to read from the device. Reviewed by: markj MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D40035
30 lines
1.0 KiB
C
30 lines
1.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG
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* Author: Corvin Köhne <c.koehne@beckhoff.com>
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*/
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#pragma once
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#include <vmmapi.h>
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#include "pci_emul.h"
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struct passthru_softc;
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typedef int (*cfgread_handler)(struct passthru_softc *sc,
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struct pci_devinst *pi, int coff, int bytes, uint32_t *rv);
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typedef int (*cfgwrite_handler)(struct passthru_softc *sc,
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struct pci_devinst *pi, int coff, int bytes, uint32_t val);
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uint32_t read_config(const struct pcisel *sel, long reg, int width);
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void write_config(const struct pcisel *sel, long reg, int width, uint32_t data);
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int passthru_cfgread_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
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int coff, int bytes, uint32_t *rv);
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int passthru_cfgwrite_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
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int coff, int bytes, uint32_t val);
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struct pcisel *passthru_get_sel(struct passthru_softc *sc);
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int set_pcir_handler(struct passthru_softc *sc, int reg, int len,
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cfgread_handler rhandler, cfgwrite_handler whandler);
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