diff --git a/share/man/man4/pci.4 b/share/man/man4/pci.4
--- a/share/man/man4/pci.4
+++ b/share/man/man4/pci.4
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd October 4, 2022
+.Dd March 17, 2024
 .Dt PCI 4
 .Os
 .Sh NAME
@@ -235,6 +235,8 @@
 Driver name.
 .It pd_unit
 Driver unit number.
+.It pd_numa_domain
+Driver NUMA domain.
 .El
 .It offset
 The offset is passed in by the user to tell the kernel where it should
diff --git a/sys/dev/pci/pci_user.c b/sys/dev/pci/pci_user.c
--- a/sys/dev/pci/pci_user.c
+++ b/sys/dev/pci/pci_user.c
@@ -79,6 +79,7 @@
 	u_int8_t	pc_revid;	/* chip revision ID */
 	char		pd_name[PCI_MAXNAMELEN + 1];  /* device name */
 	u_int32_t	pd_unit;	/* device unit number */
+	int		pd_numa_domain;	/* device NUMA domain */
 };
 
 struct pci_match_conf32 {
@@ -502,11 +503,58 @@
 #endif	/* COMPAT_FREEBSD32 */
 #endif	/* !PRE7_COMPAT */
 
+#ifdef COMPAT_FREEBSD14
+struct pci_conf_freebsd14 {
+	struct pcisel	pc_sel;		/* domain+bus+slot+function */
+	u_int8_t	pc_hdr;		/* PCI header type */
+	u_int16_t	pc_subvendor;	/* card vendor ID */
+	u_int16_t	pc_subdevice;	/* card device ID, assigned by
+					   card vendor */
+	u_int16_t	pc_vendor;	/* chip vendor ID */
+	u_int16_t	pc_device;	/* chip device ID, assigned by
+					   chip vendor */
+	u_int8_t	pc_class;	/* chip PCI class */
+	u_int8_t	pc_subclass;	/* chip PCI subclass */
+	u_int8_t	pc_progif;	/* chip PCI programming interface */
+	u_int8_t	pc_revid;	/* chip revision ID */
+	char		pd_name[PCI_MAXNAMELEN + 1];  /* device name */
+	u_long		pd_unit;	/* device unit number */
+};
+#define	PCIOCGETCONF_FREEBSD14		_IOWR('p', 5, struct pci_conf_io)
+
+#ifdef COMPAT_FREEBSD32
+struct pci_conf_freebsd14_32 {
+	struct pcisel	pc_sel;		/* domain+bus+slot+function */
+	u_int8_t	pc_hdr;		/* PCI header type */
+	u_int16_t	pc_subvendor;	/* card vendor ID */
+	u_int16_t	pc_subdevice;	/* card device ID, assigned by
+					   card vendor */
+	u_int16_t	pc_vendor;	/* chip vendor ID */
+	u_int16_t	pc_device;	/* chip device ID, assigned by
+					   chip vendor */
+	u_int8_t	pc_class;	/* chip PCI class */
+	u_int8_t	pc_subclass;	/* chip PCI subclass */
+	u_int8_t	pc_progif;	/* chip PCI programming interface */
+	u_int8_t	pc_revid;	/* chip revision ID */
+	char		pd_name[PCI_MAXNAMELEN + 1];  /* device name */
+	u_int32_t	pd_unit;	/* device unit number */
+};
+#define	PCIOCGETCONF_FREEBSD14_32	\
+    _IOC_NEWTYPE(PCIOCGETCONF_FREEBSD14, struct pci_conf_io32)
+#endif /* COMPAT_FREEBSD32 */
+#endif /* COMPAT_FREEBSD14 */
+
 union pci_conf_union {
 	struct pci_conf			pc;
 #ifdef COMPAT_FREEBSD32
 	struct pci_conf32		pc32;
 #endif
+#ifdef COMPAT_FREEBSD14
+	struct pci_conf_freebsd14	pc14;
+#ifdef COMPAT_FREEBSD32
+	struct pci_conf_freebsd14_32	pc14_32;
+#endif
+#endif
 #ifdef PRE7_COMPAT
 	struct pci_conf_freebsd6	pco;
 #ifdef COMPAT_FREEBSD32
@@ -522,10 +570,16 @@
 
 	switch (cmd) {
 	case PCIOCGETCONF:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14:
+#endif
 		return (pci_conf_match_native(
 		    (struct pci_match_conf *)matches, num_matches, match_buf));
 #ifdef COMPAT_FREEBSD32
 	case PCIOCGETCONF32:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14_32:
+#endif
 		return (pci_conf_match32((struct pci_match_conf32 *)matches,
 		    num_matches, match_buf));
 #endif
@@ -645,9 +699,15 @@
 
 	switch (cmd) {
 	case PCIOCGETCONF:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14:
+#endif
 		return (sizeof(struct pci_match_conf));
 #ifdef COMPAT_FREEBSD32
 	case PCIOCGETCONF32:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14_32:
+#endif
 		return (sizeof(struct pci_match_conf32));
 #endif
 #ifdef PRE7_COMPAT
@@ -675,6 +735,14 @@
 	case PCIOCGETCONF32:
 		return (sizeof(struct pci_conf32));
 #endif
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14:
+		return (sizeof(struct pci_conf_freebsd14));
+#ifdef COMPAT_FREEBSD32
+	case PCIOCGETCONF_FREEBSD14_32:
+		return (sizeof(struct pci_conf_freebsd14_32));
+#endif
+#endif
 #ifdef PRE7_COMPAT
 	case PCIOCGETCONF_FREEBSD6:
 		return (sizeof(struct pci_conf_freebsd6));
@@ -698,6 +766,9 @@
 
 	switch (cmd) {
 	case PCIOCGETCONF:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14:
+#endif
 #ifdef PRE7_COMPAT
 	case PCIOCGETCONF_FREEBSD6:
 #endif
@@ -706,6 +777,9 @@
 
 #ifdef COMPAT_FREEBSD32
 	case PCIOCGETCONF32:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14_32:
+#endif
 #ifdef PRE7_COMPAT
 	case PCIOCGETCONF_FREEBSD6_32:
 #endif
@@ -739,6 +813,9 @@
 
 	switch (cmd) {
 	case PCIOCGETCONF:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14:
+#endif
 #ifdef PRE7_COMPAT
 	case PCIOCGETCONF_FREEBSD6:
 #endif
@@ -751,6 +828,9 @@
 
 #ifdef COMPAT_FREEBSD32
 	case PCIOCGETCONF32:
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14_32:
+#endif
 #ifdef PRE7_COMPAT
 	case PCIOCGETCONF_FREEBSD6_32:
 #endif
@@ -796,9 +876,45 @@
 		strlcpy(pcup->pc32.pd_name, pcp->pd_name,
 		    sizeof(pcup->pc32.pd_name));
 		pcup->pc32.pd_unit = (uint32_t)pcp->pd_unit;
+		pcup->pc32.pd_numa_domain = pcp->pd_numa_domain;
 		return;
 #endif
 
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14:
+		pcup->pc14.pc_sel = pcp->pc_sel;
+		pcup->pc14.pc_hdr = pcp->pc_hdr;
+		pcup->pc14.pc_subvendor = pcp->pc_subvendor;
+		pcup->pc14.pc_subdevice = pcp->pc_subdevice;
+		pcup->pc14.pc_vendor = pcp->pc_vendor;
+		pcup->pc14.pc_device = pcp->pc_device;
+		pcup->pc14.pc_class = pcp->pc_class;
+		pcup->pc14.pc_subclass = pcp->pc_subclass;
+		pcup->pc14.pc_progif = pcp->pc_progif;
+		pcup->pc14.pc_revid = pcp->pc_revid;
+		strlcpy(pcup->pc14.pd_name, pcp->pd_name,
+		    sizeof(pcup->pc14.pd_name));
+		pcup->pc14.pd_unit = pcp->pd_unit;
+		return;
+#ifdef COMPAT_FREEBSD32
+	case PCIOCGETCONF_FREEBSD14_32:
+		pcup->pc14_32.pc_sel = pcp->pc_sel;
+		pcup->pc14_32.pc_hdr = pcp->pc_hdr;
+		pcup->pc14_32.pc_subvendor = pcp->pc_subvendor;
+		pcup->pc14_32.pc_subdevice = pcp->pc_subdevice;
+		pcup->pc14_32.pc_vendor = pcp->pc_vendor;
+		pcup->pc14_32.pc_device = pcp->pc_device;
+		pcup->pc14_32.pc_class = pcp->pc_class;
+		pcup->pc14_32.pc_subclass = pcp->pc_subclass;
+		pcup->pc14_32.pc_progif = pcp->pc_progif;
+		pcup->pc14_32.pc_revid = pcp->pc_revid;
+		strlcpy(pcup->pc14_32.pd_name, pcp->pd_name,
+		    sizeof(pcup->pc14_32.pd_name));
+		pcup->pc32.pd_unit = (uint32_t)pcp->pd_unit;
+		return;
+#endif /* COMPAT_FREEBSD32 */
+#endif /* COMPAT_FREEBSD14 */
+
 #ifdef PRE7_COMPAT
 #ifdef COMPAT_FREEBSD32
 	case PCIOCGETCONF_FREEBSD6_32:
@@ -1024,7 +1140,7 @@
 	struct pci_map *pm;
 	struct pci_bar_mmap *pbm;
 	size_t confsz, iolen;
-	int error, ionum, i, num_patterns;
+	int domain, error, ionum, i, num_patterns;
 	union pci_conf_union pcu;
 #ifdef PRE7_COMPAT
 	struct pci_io iodata;
@@ -1044,6 +1160,12 @@
 #ifdef COMPAT_FREEBSD32
 		case PCIOCGETCONF32:
 #endif
+#ifdef COMPAT_FREEBSD14
+		case PCIOCGETCONF_FREEBSD14:
+#ifdef COMPAT_FREEBSD32
+		case PCIOCGETCONF_FREEBSD14_32:
+#endif
+#endif
 #ifdef PRE7_COMPAT
 		case PCIOCGETCONF_FREEBSD6:
 #ifdef COMPAT_FREEBSD32
@@ -1069,6 +1191,12 @@
 #ifdef COMPAT_FREEBSD32
 	case PCIOCGETCONF32:
 #endif
+#ifdef COMPAT_FREEBSD14
+	case PCIOCGETCONF_FREEBSD14:
+#ifdef COMPAT_FREEBSD32
+	case PCIOCGETCONF_FREEBSD14_32:
+#endif
+#endif
 #ifdef PRE7_COMPAT
 	case PCIOCGETCONF_FREEBSD6:
 #ifdef COMPAT_FREEBSD32
@@ -1201,6 +1329,12 @@
 				dinfo->conf.pd_unit = 0;
 			}
 
+			if (dinfo->cfg.dev != NULL &&
+			    bus_get_domain(dinfo->cfg.dev, &domain) == 0)
+				dinfo->conf.pd_numa_domain = domain;
+			else
+				dinfo->conf.pd_numa_domain = 0;
+
 			if (pattern_buf == NULL ||
 			    pci_conf_match(cmd, pattern_buf, num_patterns,
 			    &dinfo->conf) == 0) {
diff --git a/sys/sys/pciio.h b/sys/sys/pciio.h
--- a/sys/sys/pciio.h
+++ b/sys/sys/pciio.h
@@ -77,6 +77,7 @@
 	u_int8_t	pc_revid;	/* chip revision ID */
 	char		pd_name[PCI_MAXNAMELEN + 1];  /* device name */
 	u_long		pd_unit;	/* device unit number */
+	int		pd_numa_domain;	/* device NUMA domain */
 };
 
 struct pci_match_conf {
@@ -165,7 +166,6 @@
 #define	PCIIO_BAR_MMAP_RW	0x04
 #define	PCIIO_BAR_MMAP_ACTIVATE	0x08
 
-#define	PCIOCGETCONF	_IOWR('p', 5, struct pci_conf_io)
 #define	PCIOCREAD	_IOWR('p', 2, struct pci_io)
 #define	PCIOCWRITE	_IOWR('p', 3, struct pci_io)
 #define	PCIOCATTACHED	_IOWR('p', 4, struct pci_io)
@@ -173,5 +173,6 @@
 #define	PCIOCLISTVPD	_IOWR('p', 7, struct pci_list_vpd_io)
 #define	PCIOCBARMMAP	_IOWR('p', 8, struct pci_bar_mmap)
 #define	PCIOCBARIO	_IOWR('p', 9, struct pci_bar_ioreq)
+#define	PCIOCGETCONF	_IOWR('p', 10, struct pci_conf_io)
 
 #endif /* !_SYS_PCIIO_H_ */