[LV-kern-commit] CVS: kernel-2.4/include/asm-vax dma.h,1.2,1.3

[Dave A. <ai...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/include/asm-vax
In directory usw-pr-cvs1:/tmp/cvs-serv1902

Modified Files:
	dma.h 
Log Message:
DA: backport 2.5 qbus support to 2.4 for SIMH


Index: dma.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/dma.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- dma.h	16 Jun 2001 14:05:30 -0000	1.2
+++ dma.h	25 Oct 2002 14:09:09 -0000	1.3
@@ -1,6 +1,19 @@
 #ifndef _VAX_DMA_H
 #define _VAX_DMA_H 1
 
+
+/* This structure is used to keep track of bug map register 
+ * allocations.  You get one from a bus driver's alloc_mapreg 
+ * function and release it by calling the bus driver's unmap 
+ * function.  */ 
+    
+struct vax_dmamap { 
+	unsigned int reg; 
+	unsigned int pagelets; 
+	void *virtaddr; 
+	unsigned int busaddr; 
+}; 
+
 /* Some peripherals are limited by their PC/ISA designs/heritage. */
 
 /* max dma address is 16mb used in mm/init.c*/