diff options
| author | Jason Wright <jason@cvs.openbsd.org> | 2002-03-07 18:08:09 +0000 |
|---|---|---|
| committer | Jason Wright <jason@cvs.openbsd.org> | 2002-03-07 18:08:09 +0000 |
| commit | 2afe5d52c97872711a9e4d37486cda176ec8cd45 (patch) | |
| tree | 37b952aa0b88672624bf358ec5bed4014c4cf289 /sys/arch/hppa | |
| parent | d4daec323e15eacdfee711f69ae5c11d6fa99b79 (diff) | |
Clean up BUS_DMA_* flags, and make sure all arch's define:
BUS_DMA_READ, BUS_DMA_WRITE, and BUS_DMA_STREAMING
Diffstat (limited to 'sys/arch/hppa')
| -rw-r--r-- | sys/arch/hppa/include/bus.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/sys/arch/hppa/include/bus.h b/sys/arch/hppa/include/bus.h index 0e069b60dc9..ab30eddd3d0 100644 --- a/sys/arch/hppa/include/bus.h +++ b/sys/arch/hppa/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.17 2002/02/16 03:13:32 mickey Exp $ */ +/* $OpenBSD: bus.h,v 1.18 2002/03/07 18:08:08 jason Exp $ */ /* * Copyright (c) 1998,1999 Michael Shalayeff @@ -286,11 +286,18 @@ extern const struct hppa_bus_space_tag hppa_bustag; #define bus_space_barrier(t,h,o,l,op) \ ((t)->hbt_barrier((t)->hbt_cookie, (h), (o), (l), (op))) -#define BUS_DMA_WAITOK 0x00 -#define BUS_DMA_NOWAIT 0x01 -#define BUS_DMA_ALLOCNOW 0x02 -#define BUS_DMA_COHERENT 0x04 -#define BUS_DMAMEM_NOSYNC 0x10 +#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_DMAMEM_NOSYNC 0x010 +#define BUS_DMA_BUS1 0x020 /* placeholders for bus functions... */ +#define BUS_DMA_BUS2 0x040 +#define BUS_DMA_BUS3 0x080 +#define BUS_DMA_BUS4 0x100 +#define BUS_DMA_STREAMING 0x200 /* hint: sequential, unidirectional */ +#define BUS_DMA_READ 0x400 /* mapping is device -> memory only */ +#define BUS_DMA_WRITE 0x800 /* mapping is memory -> device only */ /* Forwards needed by prototypes below. */ struct mbuf; |