diff options
Diffstat (limited to 'usr.sbin/bhyve/pci_passthru.h')
| -rw-r--r-- | usr.sbin/bhyve/pci_passthru.h | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/usr.sbin/bhyve/pci_passthru.h b/usr.sbin/bhyve/pci_passthru.h index bdc8dc3cd0e2..a89ad287cbc5 100644 --- a/usr.sbin/bhyve/pci_passthru.h +++ b/usr.sbin/bhyve/pci_passthru.h @@ -1,5 +1,5 @@ /*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG * Author: Corvin Köhne <c.koehne@beckhoff.com> @@ -7,9 +7,45 @@ #pragma once +#include <sys/linker_set.h> + #include <vmmapi.h> +#include "config.h" #include "pci_emul.h" -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); +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; + +struct passthru_dev { + int (*probe)(struct pci_devinst *pi); + int (*init)(struct pci_devinst *pi, nvlist_t *nvl); + void (*deinit)(struct pci_devinst *pi); +}; +#define PASSTHRU_DEV_SET(x) DATA_SET(passthru_dev_set, x) + +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 pci_host_read_config(const struct pcisel *sel, long reg, int width); +void pci_host_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); |