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authorMaxime Henrion <mux@FreeBSD.org>2003-07-27 13:52:10 +0000
committerMaxime Henrion <mux@FreeBSD.org>2003-07-27 13:52:10 +0000
commitd5afecd06846870c41e2850d88fa9a34d67382fa (patch)
treea4a7889831600966a860a57cdff8cfd02bf4f17f /sys/alpha/include
parentf5eb4a6a5ed7da44b8aa9611539048dd79aca014 (diff)
Notes
Diffstat (limited to 'sys/alpha/include')
-rw-r--r--sys/alpha/include/bus.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/alpha/include/bus.h b/sys/alpha/include/bus.h
index 582484c0b222..53eefd857541 100644
--- a/sys/alpha/include/bus.h
+++ b/sys/alpha/include/bus.h
@@ -470,6 +470,7 @@ void busspace_generic_barrier(struct alpha_busspace *space,
#define BUS_DMA_NOWAIT 0x01 /* not safe to sleep */
#define BUS_DMA_ALLOCNOW 0x02 /* perform resource allocation now */
#define BUS_DMA_COHERENT 0x04 /* hint: map memory in a coherent way */
+#define BUS_DMA_ZERO 0x08 /* allocate zero'ed memory */
#define BUS_DMA_ISA 0x10 /* map memory for ISA dma */
#define BUS_DMA_BUS2 0x20 /* placeholders for bus functions... */
#define BUS_DMA_BUS3 0x40