[src/uebayasi-xip]: src/sys/sys Directly memory-mappable block devices (typic...

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

details:   https://anonhg.NetBSD.org/src/rev/b932c85adb3f
branches:  uebayasi-xip
changeset: 751564:b932c85adb3f
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Thu Feb 11 05:19:35 2010 +0000

description:
Directly memory-mappable block devices (typically NOR FlashROMs) can implement
DIOCGPHYSADDR and return its physical base address.

diffstat:

 sys/sys/dkio.h |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r 34495a6ad1e9 -r b932c85adb3f sys/sys/dkio.h
--- a/sys/sys/dkio.h    Wed Feb 10 15:48:28 2010 +0000
+++ b/sys/sys/dkio.h    Thu Feb 11 05:19:35 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dkio.h,v 1.15 2009/12/22 18:55:25 pooka Exp $  */
+/*     $NetBSD: dkio.h,v 1.15.2.1 2010/02/11 05:19:35 uebayasi Exp $   */
 
 /*
  * Copyright (c) 1987, 1988, 1993
@@ -105,4 +105,7 @@
                /* get disk-info dictionary */
 #define        DIOCGDISKINFO   _IOR('d', 127, struct plistref)
 
+               /* get physical address if directly memory-mappable (XIP) */
+#define        DIOCGPHYSADDR   _IOR('d', 128, paddr_t)
+
 #endif /* _SYS_DKIO_H_ */