From 2afe5d52c97872711a9e4d37486cda176ec8cd45 Mon Sep 17 00:00:00 2001 From: Jason Wright Date: Thu, 7 Mar 2002 18:08:09 +0000 Subject: Clean up BUS_DMA_* flags, and make sure all arch's define: BUS_DMA_READ, BUS_DMA_WRITE, and BUS_DMA_STREAMING --- sys/arch/vax/include/bus.h | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) (limited to 'sys/arch/vax/include') diff --git a/sys/arch/vax/include/bus.h b/sys/arch/vax/include/bus.h index 9d2aefbde17..71285efbb7e 100644 --- a/sys/arch/vax/include/bus.h +++ b/sys/arch/vax/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.3 2001/07/30 14:16:00 art Exp $ */ +/* $OpenBSD: bus.h,v 1.4 2002/03/07 18:08:08 jason Exp $ */ /* $NetBSD: bus.h,v 1.14 2000/06/26 04:56:13 simonb Exp $ */ /*- @@ -859,14 +859,17 @@ vax_mem_copy_region_4(t, h1, o1, h2, o2, c) /* * Flags used in various bus DMA methods. */ -#define BUS_DMA_WAITOK 0x00 /* safe to sleep (pseudo-flag) */ -#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 DMA coherent */ -#define BUS_DMA_BUS1 0x10 /* placeholders for bus functions... */ -#define BUS_DMA_BUS2 0x20 -#define BUS_DMA_BUS3 0x40 -#define BUS_DMA_BUS4 0x80 +#define BUS_DMA_WAITOK 0x000 /* safe to sleep (pseudo-flag) */ +#define BUS_DMA_NOWAIT 0x001 /* not safe to sleep */ +#define BUS_DMA_ALLOCNOW 0x002 /* perform resource allocation now */ +#define BUS_DMA_COHERENT 0x004 /* hint: map memory DMA coherent */ +#define BUS_DMA_BUS1 0x010 /* placeholders for bus functions... */ +#define BUS_DMA_BUS2 0x020 +#define BUS_DMA_BUS3 0x040 +#define BUS_DMA_BUS4 0x080 +#define BUS_DMA_STREAMING 0x100 /* hint: sequential, unidirectional */ +#define BUS_DMA_READ 0x200 /* mapping is device -> memory only */ +#define BUS_DMA_WRITE 0x400 /* mapping is memory -> device only */ #define VAX_BUS_DMA_SPILLPAGE BUS_DMA_BUS1 /* VS4000 kludge */ /* -- cgit v1.2.3