diff --git a/stand/libsa/dev.c b/stand/libsa/dev.c
--- a/stand/libsa/dev.c
+++ b/stand/libsa/dev.c
@@ -126,8 +126,13 @@
 	/* look for a device that matches */
 	for (i = 0; devsw[i] != NULL; i++) {
 		dv = devsw[i];
-		if (!strncmp(devspec, dv->dv_name, strlen(dv->dv_name)))
-			break;
+		if (dv->dv_match != NULL) {
+			if (dv->dv_match(dv, devspec) != 0)
+				break;
+		} else {
+			if (!strncmp(devspec, dv->dv_name, strlen(dv->dv_name)))
+				break;
+		}
 	}
 	if (devsw[i] == NULL)
 		return (ENOENT);
diff --git a/stand/libsa/libsa.3 b/stand/libsa/libsa.3
--- a/stand/libsa/libsa.3
+++ b/stand/libsa/libsa.3
@@ -750,6 +750,7 @@
     char *	(*dv_fmtdev)(struct devdesc *);
     int		(*dv_parsedev)(struct devdesc **dev, const char *devpart,
     		const char **path);
+    bool	(*dv_match)(struct devsw *dv, const char *devspec);
 };
 .Ed
 .Bl -tag -width ".Fn dv_strategy"
@@ -823,6 +824,17 @@
 Generally, code needing to parse a path will use
 .Fa devparse
 instead of calling this routine directly.
+.It Fn dv_match
+.Dv NULL
+to specify that all device paths starting with
+.Fa dv_name
+match.
+Otherwise, this function returns 0 for a match and a non-zero
+.Dv errno
+to indicate why it didn't match.
+This is helpful when you claim the device path after using it to query
+properties on systems that have uniform naming for different types of
+devices.
 .El
 .Sh HISTORY
 The
diff --git a/stand/libsa/stand.h b/stand/libsa/stand.h
--- a/stand/libsa/stand.h
+++ b/stand/libsa/stand.h
@@ -161,6 +161,7 @@
     void	(*dv_cleanup)(void);
     char *	(*dv_fmtdev)(struct devdesc *);
     int		(*dv_parsedev)(struct devdesc **, const char *, const char **);
+    bool	(*dv_match)(struct devsw *, const char *);
 };
 
 /*