resource manager: add optional resource id.

Obtained-from: FreeBSD

diff --git a/sys/sys/rman.h b/sys/sys/rman.h
index 441ddb6..3e2c95c 100644 (file)
--- a/sys/sys/rman.h
+++ b/sys/sys/rman.h
@@ -108,6 +108,7 @@ struct      resource {
        bus_space_handle_t r_bushandle; /* bus_space handle */
        struct  device *r_dev;  /* device which has allocated this resource */
        struct  rman *r_rm;     /* resource manager from whence this came */
+       int     r_rid;          /* optional rid for this resource. */
 };
 
 struct lwkt_token;
@@ -148,6 +149,9 @@ uint32_t rman_make_alignment_flags(uint32_t size);
 #define rman_get_bustag(r)     ((r)->r_bustag)
 #define rman_set_bushandle(r,h)        ((r)->r_bushandle = (h))
 #define rman_get_bushandle(r)  ((r)->r_bushandle)
+#define rman_set_rid(r,i)       ((r)->r_rid = (i))
+#define rman_get_rid(r,i)       ((r)->r_rid)
+#define rman_is_region_manager(r,rm) ((r)->r_rm == rm)
 
 extern struct rman_head rman_head;
 #endif /* _KERNEL */