diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2013-03-18 12:02:57 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2013-03-18 12:02:57 +0000 |
| commit | c48141c1d8bd41bf9e7298c54917eaa386e56689 (patch) | |
| tree | b03551f50ae5a22061ea287912b2c7bebcd70116 /sys/dev/pci/agpvar.h | |
| parent | 47cc57cd9ac7419f42bd6f58e522c4c100be929b (diff) | |
Indirectly pass the cache level down to agp by abusing spare bus_dma bits.
Currently only used on gen6+, everything else keeps the old semantics.
Diffstat (limited to 'sys/dev/pci/agpvar.h')
| -rw-r--r-- | sys/dev/pci/agpvar.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/pci/agpvar.h b/sys/dev/pci/agpvar.h index c86124158f1..556d019d250 100644 --- a/sys/dev/pci/agpvar.h +++ b/sys/dev/pci/agpvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: agpvar.h,v 1.25 2013/03/18 11:14:44 jsg Exp $ */ +/* $OpenBSD: agpvar.h,v 1.26 2013/03/18 12:02:56 jsg Exp $ */ /* $NetBSD: agpvar.h,v 1.4 2001/10/01 21:54:48 fvdl Exp $ */ /*- @@ -43,6 +43,11 @@ #define AGPUNIT(x) minor(x) +/* we can't use the BUS_DMA_NOCACHE here or it won't get mapped via the gtt */ +#define BUS_DMA_GTT_NOCACHE (1 << 30) +#define BUS_DMA_GTT_CACHE_LLC (1 << 29) +#define BUS_DMA_GTT_CACHE_LLC_MLC (1 << 28) + struct agp_attach_args { char *aa_busname; struct pci_attach_args *aa_pa; |