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 */
+	u_int16_t	pd_numa_domain;	/* device NUMA domain */
 };
 
 struct pci_match_conf32 {
@@ -319,6 +320,7 @@
 	u_int8_t	pc_revid;	/* chip revision ID */
 	char		pd_name[PCI_MAXNAMELEN + 1];  /* device name */
 	u_long		pd_unit;	/* device unit number */
+	u_int16_t	pd_numa_domain;	/* device NUMA domain */
 };
 
 struct pci_match_conf_old {
@@ -354,6 +356,7 @@
 	uint8_t		pc_revid;	/* chip revision ID */
 	char		pd_name[PCI_MAXNAMELEN + 1]; /* device name */
 	uint32_t	pd_unit;	/* device unit number (u_long) */
+	uint16_t	pd_numa_domain;	/* device NUMA domain */
 };
 
 struct pci_match_conf_old32 {
@@ -796,6 +799,7 @@
 		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
 
@@ -817,6 +821,7 @@
 		strlcpy(pcup->pco32.pd_name, pcp->pd_name,
 		    sizeof(pcup->pco32.pd_name));
 		pcup->pco32.pd_unit = (uint32_t)pcp->pd_unit;
+		pcup->pco32.pd_numa_domain = pcp->pd_numa_domain;
 		return;
 
 #endif /* COMPAT_FREEBSD32 */
@@ -836,6 +841,7 @@
 		strlcpy(pcup->pco.pd_name, pcp->pd_name,
 		    sizeof(pcup->pco.pd_name));
 		pcup->pco.pd_unit = pcp->pd_unit;
+		pcup->pco.pd_numa_domain = pcp->pd_numa_domain;
 		return;
 #endif /* PRE7_COMPAT */
 
@@ -1024,7 +1030,7 @@
 	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;
@@ -1201,6 +1207,12 @@
 				dinfo->conf.pd_unit = 0;
 			}
 
+			if (dinfo->cfg.dev != NULL &&
+			    bus_get_domain(dinfo->cfg.dev, &domain) == 0)
+				dinfo->conf.pd_numa_domain = (u_int16_t)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 */
+	u_int16_t	pd_numa_domain;	/* device NUMA domain */
 };
 
 struct pci_match_conf {