Page MenuHomeFreeBSD
Differential D40036 Diff 121895 usr.sbin/bhyve/pci_passthru.h

Changeset View

Standalone View

View Options

usr.sbin/bhyve/pci_passthru.h

/*- /*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
* *
* Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG * Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG
* Author: Corvin Köhne <c.koehne@beckhoff.com> * Author: Corvin Köhne <c.koehne@beckhoff.com>
*/ */
#pragma once #pragma once
#include <vmmapi.h> #include <vmmapi.h>
#include "pci_emul.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 */
markjUnsubmitted
Done
Inline Actions

Is something meant to dereference these pointers? If not, why are they pointer types? It looks like they should be integer types.

markj: Is something meant to dereference these pointers? If not, why are they pointer types? It looks…
corvinkAuthorUnsubmitted
Done
Inline Actions

I'm using this pointer to map and copy the OpRegion. See D40041.

corvink: I'm using this pointer to map and copy the OpRegion. See D40041.
vm_paddr_t len;
};
struct passthru_softc; struct passthru_softc;
typedef int (*cfgread_handler)(struct passthru_softc *sc, typedef int (*cfgread_handler)(struct passthru_softc *sc,
struct pci_devinst *pi, int coff, int bytes, uint32_t *rv); struct pci_devinst *pi, int coff, int bytes, uint32_t *rv);
typedef int (*cfgwrite_handler)(struct passthru_softc *sc, typedef int (*cfgwrite_handler)(struct passthru_softc *sc,
struct pci_devinst *pi, int coff, int bytes, uint32_t val); struct pci_devinst *pi, int coff, int bytes, uint32_t val);
uint32_t read_config(const struct pcisel *sel, long reg, int width); 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); 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 passthru_cfgread_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
int coff, int bytes, uint32_t *rv); int coff, int bytes, uint32_t *rv);
int passthru_cfgwrite_emulate(struct passthru_softc *sc, struct pci_devinst *pi, int passthru_cfgwrite_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
int coff, int bytes, uint32_t val); 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); struct pcisel *passthru_get_sel(struct passthru_softc *sc);
int set_pcir_handler(struct passthru_softc *sc, int reg, int len, int set_pcir_handler(struct passthru_softc *sc, int reg, int len,
cfgread_handler rhandler, cfgwrite_handler whandler); cfgread_handler rhandler, cfgwrite_handler whandler);