[src/trunk]: src/sys/arch/x86/include Add override members to x86_bus_dma_tag.

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

details:   https://anonhg.NetBSD.org/src/rev/11e9355b0a19
branches:  trunk
changeset: 769122:11e9355b0a19
user:      dyoung <dyoung%NetBSD.org@localhost>
date:      Wed Aug 31 20:21:06 2011 +0000

description:
Add override members to x86_bus_dma_tag.

diffstat:

 sys/arch/x86/include/bus_private.h |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r 362d06207c66 -r 11e9355b0a19 sys/arch/x86/include/bus_private.h
--- a/sys/arch/x86/include/bus_private.h        Wed Aug 31 20:16:43 2011 +0000
+++ b/sys/arch/x86/include/bus_private.h        Wed Aug 31 20:21:06 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus_private.h,v 1.12 2010/11/12 13:40:11 uebayasi Exp $        */
+/*     $NetBSD: bus_private.h,v 1.13 2011/08/31 20:21:06 dyoung Exp $  */
 /*     NetBSD: bus.h,v 1.8 2005/03/09 19:04:46 matt Exp        */
 
 /*-
@@ -192,6 +192,15 @@
 #endif
 
 struct x86_bus_dma_tag {
+       bus_dma_tag_t                           bdt_super;
+       /* bdt_present: bitmap indicating overrides present (1) in *this* tag,
+        * bdt_exists: bitmap indicating overrides present (1) in *this* tag
+        * or in an ancestor's tag (follow bdt_super to ancestors)
+        */
+       uint64_t                                bdt_present;
+       uint64_t                                bdt_exists;
+       const struct bus_dma_overrides          *bdt_ov;
+       void                                    *bdt_ctx;
        /*
         * The `bounce threshold' is checked while we are loading
         * the DMA map.  If the physical address of the segment