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Diffstat (limited to 'lib/device/device.h')
-rw-r--r--lib/device/device.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/device/device.h b/lib/device/device.h
index 572994bb9..1c85f37a9 100644
--- a/lib/device/device.h
+++ b/lib/device/device.h
@@ -59,6 +59,14 @@ struct dev_ext {
void *handle;
};
+#define DEV_WWID_SIZE 128
+
+struct dev_wwid {
+ struct dm_list list;
+ int type;
+ char id[DEV_WWID_SIZE];
+};
+
#define DEV_ID_TYPE_SYS_WWID 0x0001
#define DEV_ID_TYPE_SYS_SERIAL 0x0002
#define DEV_ID_TYPE_MPATH_UUID 0x0003
@@ -105,6 +113,7 @@ struct dev_use {
*/
struct device {
struct dm_list aliases; /* struct dm_str_list */
+ struct dm_list wwids; /* struct dev_wwid, used for multipath component detection */
struct dm_list ids; /* struct dev_id, different entries for different idtypes */
struct dev_id *id; /* points to the the ids entry being used for this dev */
dev_t dev;
@@ -206,5 +215,9 @@ void dev_destroy_file(struct device *dev);
int dev_mpath_init(const char *config_wwids_file);
void dev_mpath_exit(void);
+struct dev_wwid *add_wwid(char *id, int id_type, struct dm_list *ids);
+void free_wwids(struct dm_list *ids);
+int parse_vpd_ids(const unsigned char *vpd_data, int vpd_datalen, struct dm_list *ids);
+int format_t10_id(const unsigned char *in, int in_bytes, unsigned char *out, int out_bytes);
#endif