[src/trunk]: src/sys/arch/sparc64 sun4v: Add two new functions to the mdesc a...

[palle <palle%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/87654c06509a
branches:  trunk
changeset: 335664:87654c06509a
user:      palle <palle%NetBSD.org@localhost>
date:      Mon Jan 19 19:46:08 2015 +0000

description:
sun4v: Add two new functions to the mdesc api: mdesc_find_node_by_idx() and mdesc_next_node()

diffstat:

 sys/arch/sparc64/include/mdesc.h |   4 +++-
 sys/arch/sparc64/sparc64/mdesc.c |  24 ++++++++++++++++++++----
 2 files changed, 23 insertions(+), 5 deletions(-)

diffs (68 lines):

diff -r e082a1b3072f -r 87654c06509a sys/arch/sparc64/include/mdesc.h
--- a/sys/arch/sparc64/include/mdesc.h  Mon Jan 19 19:02:35 2015 +0000
+++ b/sys/arch/sparc64/include/mdesc.h  Mon Jan 19 19:46:08 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mdesc.h,v 1.1 2015/01/10 22:19:26 palle Exp $  */
+/*     $NetBSD: mdesc.h,v 1.2 2015/01/19 19:46:08 palle Exp $  */
 /*     $OpenBSD: mdesc.h,v 1.3 2014/11/30 22:26:14 kettenis Exp $      */
 /*
  * Copyright (c) 2009 Mark Kettenis
@@ -48,4 +48,6 @@
 int    mdesc_find(const char *, uint64_t);
 int    mdesc_find_child(int, const char *, uint64_t);
 int    mdesc_find_node(const char *);
+int    mdesc_find_node_by_idx(int, const char *);
+int    mdesc_next_node(int);
 #endif
diff -r e082a1b3072f -r 87654c06509a sys/arch/sparc64/sparc64/mdesc.c
--- a/sys/arch/sparc64/sparc64/mdesc.c  Mon Jan 19 19:02:35 2015 +0000
+++ b/sys/arch/sparc64/sparc64/mdesc.c  Mon Jan 19 19:46:08 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mdesc.c,v 1.2 2015/01/11 13:40:22 palle Exp $  */
+/*     $NetBSD: mdesc.c,v 1.3 2015/01/19 19:46:08 palle Exp $  */
 /*     $OpenBSD: mdesc.c,v 1.7 2014/11/30 22:26:15 kettenis Exp $      */
 /*
  * Copyright (c) 2009 Mark Kettenis
@@ -217,19 +217,18 @@
 }
 
 int
-mdesc_find_node(const char *name)
+mdesc_find_node_by_idx(int idx, const char *name)
 {
        struct md_header *hdr;
        struct md_element *elem;
        const char *name_blk;
        const char *str;
-       int idx;
 
        hdr = (struct md_header *)mdesc;
        elem = (struct md_element *)(mdesc + sizeof(struct md_header));
        name_blk = (char *)mdesc + sizeof(struct md_header) + hdr->node_blk_sz;
 
-       for (idx = 0; elem[idx].tag == 'N'; idx = elem[idx].d.val) {
+       for ( ; elem[idx].tag == 'N'; idx = elem[idx].d.val) {
                str = name_blk + elem[idx].name_offset;
                if (str && strcmp(str, name) == 0)
                        return (idx);
@@ -237,3 +236,20 @@
 
        return (-1);
 }
+
+int
+mdesc_find_node(const char *name)
+{
+       return mdesc_find_node_by_idx(0, name);
+}
+
+int
+mdesc_next_node(int idx)
+{
+       struct md_element *elem;
+
+       elem = (struct md_element *)(mdesc + sizeof(struct md_header));
+
+       return elem[idx].d.val;
+}
+