diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2022-12-29 11:35:02 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2022-12-29 11:35:02 +0000 |
| commit | ee90c601aaa241e50187c2be95213e4f4ec0a40e (patch) | |
| tree | 330057ad28bae36ecc30dd2bc3ec94c5ad1666bf /sys/arch/riscv64/include | |
| parent | 5a0d6275947e329e587c2a43e5aa6fc00006eb6b (diff) | |
Avoid doing cache flush/invalidate operations for DMA memory allocated with
the BUS_DMA_COHERENT flag.
ok miod@
Diffstat (limited to 'sys/arch/riscv64/include')
| -rw-r--r-- | sys/arch/riscv64/include/bus.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/riscv64/include/bus.h b/sys/arch/riscv64/include/bus.h index 2e7c71d5716..14a324c04d3 100644 --- a/sys/arch/riscv64/include/bus.h +++ b/sys/arch/riscv64/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.4 2021/05/12 01:20:52 jsg Exp $ */ +/* $OpenBSD: bus.h,v 1.5 2022/12/29 11:35:01 kettenis Exp $ */ /* * Copyright (c) 2003-2004 Opsycon AB Sweden. All rights reserved. @@ -361,6 +361,7 @@ struct machine_bus_dma_segment { paddr_t _ds_paddr; /* CPU address */ vaddr_t _ds_vaddr; /* CPU address */ + int _ds_coherent; /* Coherently mapped */ }; typedef struct machine_bus_dma_segment bus_dma_segment_t; |