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usr.sbin/bhyve/pci_passthru.h
- This file was added.
| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * | |||||
| * Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice, this list of conditions and the following disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR OR CONTRIBUTORS ``AS IS'' AND | |||||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| * SUCH DAMAGE. | |||||
| * | |||||
| * $FreeBSD$ | |||||
| */ | |||||
| #pragma once | |||||
| #include <sys/pciio.h> | |||||
| #include <vmmapi.h> | |||||
| #include "pci_emul.h" | |||||
| typedef int (*cfgread_handler)(struct vmctx *ctx, int vcpu, | |||||
| struct pci_devinst *pi, int coff, int bytes, uint32_t *rv); | |||||
| typedef int (*cfgwrite_handler)(struct vmctx *ctx, int vcpu, | |||||
| struct pci_devinst *pi, int coff, int bytes, uint32_t val); | |||||
| struct passthru_softc { | |||||
| struct pci_devinst *psc_pi; | |||||
| struct pcibar psc_bar[PCI_BARMAX + 1]; | |||||
| struct { | |||||
| int capoff; | |||||
| int msgctrl; | |||||
| int emulated; | |||||
| } psc_msi; | |||||
| struct { | |||||
| int capoff; | |||||
| } psc_msix; | |||||
| struct pcisel psc_sel; | |||||
| cfgread_handler psc_pcir_rhandler[PCI_REGMAX + 1]; | |||||
| cfgwrite_handler psc_pcir_whandler[PCI_REGMAX + 1]; | |||||
| }; | |||||
| uint32_t read_config(const struct pcisel *sel, long reg, int width); | |||||
| void write_config(const struct pcisel *sel, long reg, int width, uint32_t data); | |||||
| int passthru_cfgread_default(struct vmctx *ctx, int vcpu, | |||||
| struct pci_devinst *pi, int coff, int bytes, uint32_t *rv); | |||||
| int passthru_cfgread_emulate(struct vmctx *ctx, int vcpu, | |||||
| struct pci_devinst *pi, int coff, int bytes, uint32_t *rv); | |||||
| int passthru_cfgwrite_default(struct vmctx *ctx, int vcpu, | |||||
| struct pci_devinst *pi, int coff, int bytes, uint32_t val); | |||||
| int passthru_cfgwrite_emulate(struct vmctx *ctx, int vcpu, | |||||
| struct pci_devinst *pi, int coff, int bytes, uint32_t val); | |||||
| int set_pcir_handler(struct passthru_softc *sc, uint32_t reg, uint32_t len, | |||||
| cfgread_handler rhandler, cfgwrite_handler whandler); | |||||