diff options
Diffstat (limited to 'sys/alpha/include/bus.h')
| -rw-r--r-- | sys/alpha/include/bus.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/alpha/include/bus.h b/sys/alpha/include/bus.h index 582484c..53eefd8 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 |
