freebsd-dev/usr.sbin/bhyve/pci_passthru.h
Warner Losh 4d846d260e spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with:		pfg
MFC After:		3 days
Sponsored by:		Netflix
2023-05-12 10:44:03 -06:00

40 lines
1.3 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG
* Author: Corvin Köhne <c.koehne@beckhoff.com>
*/
#pragma once
#include <vmmapi.h>
#include "pci_emul.h"
struct passthru_mmio_mapping {
vm_paddr_t gpa; /* guest physical address */
void *gva; /* guest virtual address */
vm_paddr_t hpa; /* host physical address */
void *hva; /* guest virtual address */
vm_paddr_t len;
};
struct passthru_softc;
typedef int (*cfgread_handler)(struct passthru_softc *sc,
struct pci_devinst *pi, int coff, int bytes, uint32_t *rv);
typedef int (*cfgwrite_handler)(struct passthru_softc *sc,
struct pci_devinst *pi, int coff, int bytes, uint32_t val);
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_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
int coff, int bytes, uint32_t *rv);
int passthru_cfgwrite_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
int coff, int bytes, uint32_t val);
struct passthru_mmio_mapping *passthru_get_mmio(struct passthru_softc *sc,
int num);
struct pcisel *passthru_get_sel(struct passthru_softc *sc);
int set_pcir_handler(struct passthru_softc *sc, int reg, int len,
cfgread_handler rhandler, cfgwrite_handler whandler);