3 files changed, 9 insertions, 0 deletions
diff --git a/sys/dev/pccbb/pccbb.c b/sys/dev/pccbb/pccbb.c
index f511ebb..7b8fb62 100644
--- a/sys/dev/pccbb/pccbb.c
+++ b/sys/dev/pccbb/pccbb.c
@@ -1470,6 +1470,9 @@ cbb_read_ivar(device_t brdev, device_t child, int which, uintptr_t *result)
 	struct cbb_softc *sc = device_get_softc(brdev);
 
 	switch (which) {
+	case PCIB_IVAR_DOMAIN:
+		*result = sc->domain;
+		return (0);
 	case PCIB_IVAR_BUS:
 		*result = sc->secbus;
 		return (0);
@@ -1483,6 +1486,8 @@ cbb_write_ivar(device_t brdev, device_t child, int which, uintptr_t value)
 	struct cbb_softc *sc = device_get_softc(brdev);
 
 	switch (which) {
+	case PCIB_IVAR_DOMAIN:
+		return (EINVAL);
 	case PCIB_IVAR_BUS:
 		sc->secbus = value;
 		return (0);
diff --git a/sys/dev/pccbb/pccbb_pci.c b/sys/dev/pccbb/pccbb_pci.c
index 8ad7e54..73a52b0 100644
--- a/sys/dev/pccbb/pccbb_pci.c
+++ b/sys/dev/pccbb/pccbb_pci.c
@@ -316,6 +316,7 @@ cbb_pci_attach(device_t brdev)
 	sc->dev = brdev;
 	sc->cbdev = NULL;
 	sc->exca[0].pccarddev = NULL;
+	sc->domain = pci_get_domain(brdev);
 	sc->secbus = pci_read_config(brdev, PCIR_SECBUS_2, 1);
 	sc->subbus = pci_read_config(brdev, PCIR_SUBBUS_2, 1);
 	sc->pribus = pcib_get_bus(parent);
@@ -346,6 +347,8 @@ cbb_pci_attach(device_t brdev)
 	/*Sysctls*/
 	sctx = device_get_sysctl_ctx(brdev);
 	soid = device_get_sysctl_tree(brdev);
+	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "domain",
+	    CTLFLAG_RD, &sc->domain, 0, "Domain number");
 	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "pribus",
 	    CTLFLAG_RD, &sc->pribus, 0, "Primary bus number");
 	SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "secbus",
diff --git a/sys/dev/pccbb/pccbbvar.h b/sys/dev/pccbb/pccbbvar.h
index c8201a2..ef2d82f 100644
--- a/sys/dev/pccbb/pccbbvar.h
+++ b/sys/dev/pccbb/pccbbvar.h
@@ -62,6 +62,7 @@ struct cbb_softc {
 	void		*intrhand;
 	bus_space_tag_t bst;
 	bus_space_handle_t bsh;
+	uint32_t	domain;
 	unsigned int	pribus;
 	unsigned int	secbus;
 	unsigned int	subbus;