device: Add device path display support
Add an optional routine to translate the device path types into a string
for display.
TEST=Build and run on Galileo
Change-Id: Iea5d0a2430d9a8546105324e2beda0955210dca9
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/13715
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/device/device_util.c b/src/device/device_util.c
index ac18538..837dfb5 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -921,3 +921,15 @@
return count;
}
+
+/* Get device path name */
+const char *dev_path_name(enum device_path_type type)
+{
+ static const char *const type_names[] = DEVICE_PATH_NAMES;
+ const char *type_name = "Unknown";
+
+ /* Translate the type value into a string */
+ if (type < ARRAY_SIZE(type_names))
+ type_name = type_names[type];
+ return type_name;
+}
diff --git a/src/include/device/path.h b/src/include/device/path.h
index 00fb727..ba7661d 100644
--- a/src/include/device/path.h
+++ b/src/include/device/path.h
@@ -13,8 +13,27 @@
DEVICE_PATH_CPU,
DEVICE_PATH_CPU_BUS,
DEVICE_PATH_IOAPIC,
+
+ /*
+ * When adding path types to this table, please also update the
+ * DEVICE_PATH_NAMES macro below.
+ */
};
+#define DEVICE_PATH_NAMES { \
+ "DEVICE_PATH_NONE", \
+ "DEVICE_PATH_ROOT", \
+ "DEVICE_PATH_PCI", \
+ "DEVICE_PATH_PNP", \
+ "DEVICE_PATH_I2C", \
+ "DEVICE_PATH_APIC", \
+ "DEVICE_PATH_DOMAIN", \
+ "DEVICE_PATH_CPU_CLUSTER", \
+ "DEVICE_PATH_CPU", \
+ "DEVICE_PATH_CPU_BUS", \
+ "DEVICE_PATH_IOAPIC" \
+}
+
struct domain_path
{
unsigned domain;
@@ -86,5 +105,6 @@
#define BUS_PATH_MAX (DEVICE_PATH_MAX+10)
extern int path_eq(struct device_path *path1, struct device_path *path2);
+extern const char *dev_path_name(enum device_path_type type);
#endif /* DEVICE_PATH_H */