1 files changed, 67 insertions, 12 deletions

diff --git a/usr.sbin/pciconf/pciconf.c b/usr.sbin/pciconf/pciconf.c
index 0ea232a..3639f00 100644
--- a/usr.sbin/pciconf/pciconf.c
+++ b/usr.sbin/pciconf/pciconf.c
@@ -64,6 +64,7 @@ struct pci_vendor_info
 
 TAILQ_HEAD(,pci_vendor_info)	pci_vendors;
 
+static void dobar(const char *);
 static void list_devs(int vendors);
 static void list_verbose(struct pci_conf *p);
 static char *guess_class(struct pci_conf *p);
@@ -90,17 +91,29 @@ int
 main(int argc, char **argv)
 {
 	int c;
-	int listmode, readmode, writemode, attachedmode, verbose;
+	int listmode, readmode, writemode, attachedmode, barmode, verbose;
 	int byte, isshort;
 
-	listmode = readmode = writemode = attachedmode = verbose = byte = isshort = 0;
+	barmode = listmode = readmode = writemode = attachedmode = verbose = byte = isshort = 0;
 
-	while ((c = getopt(argc, argv, "alrwbhv")) != -1) {
+	while ((c = getopt(argc, argv, "aBbhlrwv")) != -1) {
 		switch(c) {
 		case 'a':
 			attachedmode = 1;
 			break;
 
+		case 'B':
+			barmode = 1;
+			break;
+
+		case 'b':
+			byte = 1;
+			break;
+
+		case 'h':
+			isshort = 1;
+			break;
+
 		case 'l':
 			listmode = 1;
 			break;
@@ -113,14 +126,6 @@ main(int argc, char **argv)
 			writemode = 1;
 			break;
 
-		case 'b':
-			byte = 1;
-			break;
-
-		case 'h':
-			isshort = 1;
-			break;
-
 		case 'v':
 			verbose = 1;
 			break;
@@ -133,7 +138,8 @@ main(int argc, char **argv)
 	if ((listmode && optind != argc)
 	    || (writemode && optind + 3 != argc)
 	    || (readmode && optind + 2 != argc)
-	    || (attachedmode && optind + 1 != argc))
+	    || (attachedmode && optind + 1 != argc)
+	    || (barmode && optind + 1 != argc)
 		usage();
 
 	if (listmode) {
@@ -147,6 +153,7 @@ main(int argc, char **argv)
 	} else if (writemode) {
 		writeit(argv[optind], argv[optind + 1], argv[optind + 2],
 		       byte ? 1 : isshort ? 2 : 4);
+	} else if (barmode) {
 	} else {
  		usage();
 	}
@@ -472,6 +479,54 @@ readone(int fd, struct pcisel *sel, long reg, int width)
 }
 
 static void
+dobar(const char *name)
+{
+#define NBAR 6
+	long rstart = 0x10;
+	long rend = 0x24;
+	long r;
+	char *end;
+	int i;
+	int fd;
+	uint32_t bars[NBAR];
+	struct pcisel sel;
+	struct pci_io pi;
+
+
+	fd = open(_PATH_DEVPCI, O_RDWR, 0);
+	if (fd < 0)
+		err(1, "%s", _PATH_DEVPCI);
+
+	/* 
+	 * Read in the bars
+	 */
+	sel = getsel(name);
+	for (i = 0, r = rstart; r <= rend; i++, r += 4) {	
+		pi.pi_sel = sel;
+		pi.pi_reg = r;
+		pi.pi_width = 4;
+		if (ioctl(fd, PCIOCREAD, &pi) < 0)
+			err(1, "ioctl(PCIOCREAD)");
+		bars[i++] = pi.pi_data;
+	}
+
+	/*
+	 * Print the bars
+	 */
+	for (i = 0; i < NBAR; i++) {
+		if (bars[i] == 0)
+			next;
+		if (bars[i] & 1) {
+			/* I/O bar */
+		} else {
+			/* Memory bar */
+		}
+	}
+
+	close(fd);
+}
+
+static void
 readit(const char *name, const char *reg, int width)
 {
 	long rstart;