diff options
Diffstat (limited to 'sys/arch/sgi/hpc/hpcvar.h')
| -rw-r--r-- | sys/arch/sgi/hpc/hpcvar.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/arch/sgi/hpc/hpcvar.h b/sys/arch/sgi/hpc/hpcvar.h index 9a1e656c6b7..6c0f7a86aed 100644 --- a/sys/arch/sgi/hpc/hpcvar.h +++ b/sys/arch/sgi/hpc/hpcvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: hpcvar.h,v 1.7 2012/04/30 21:30:33 miod Exp $ */ +/* $OpenBSD: hpcvar.h,v 1.8 2012/05/27 14:27:08 miod Exp $ */ /* $NetBSD: hpcvar.h,v 1.12 2011/01/25 12:21:04 tsutsui Exp $ */ /* @@ -110,4 +110,14 @@ int hpc_is_intr_pending(int); void hpc_intr_disable(void *); void hpc_intr_enable(void *); +/* + * Routines to copy and update HPC DMA descriptors in uncached memory; + * needed for proper operation on ECC MC systems. + */ +struct hpc_dma_desc; + +struct hpc_dma_desc *hpc_read_dma_desc(struct hpc_dma_desc *src, + struct hpc_dma_desc *store); +void hpc_write_dma_desc(struct hpc_dma_desc *dst, struct hpc_dma_desc *src); + extern bus_space_t hpc3bus_tag; |