bhyve: make passthru sel public available

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
mcusim · May 11, 2023 · 60793ce · 60793ce
1 parent ca14781
commit 60793ce
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diff --git a/usr.sbin/bhyve/pci_passthru.c b/usr.sbin/bhyve/pci_passthru.c
@@ -660,6 +660,14 @@ cfginit(struct pci_devinst *pi, int bus, int slot, int func)
 	return (error);
 }
 
+struct pcisel *
+passthru_get_sel(struct passthru_softc *sc)
+{
+	assert(sc != NULL);
+
+	return (&sc->psc_sel);
+}
+
 int
 set_pcir_handler(struct passthru_softc *sc, int reg, int len,
     cfgread_handler rhandler, cfgwrite_handler whandler)

diff --git a/usr.sbin/bhyve/pci_passthru.h b/usr.sbin/bhyve/pci_passthru.h
@@ -24,5 +24,6 @@ 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 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);