diff options
| author |   kettenis <kettenis@openbsd.org> | 2015-10-08 10:25:24 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2015-10-08 10:25:24 +0000 |
| commit | de98251e792bfab57fefbcf0f377a2a08116e9b0 (patch) | |
| tree | 40d4fff82e189c6097ed4c97b815078757a97d91 | |
| parent | Add a per-page flag to indicate that all mappings of that page should be (diff) | |
| download | wireguard-openbsd-de98251e792bfab57fefbcf0f377a2a08116e9b0.tar.xz wireguard-openbsd-de98251e792bfab57fefbcf0f377a2a08116e9b0.zip | |
Implement set_pages_array_wb() and set_pages_array_wc() for powerpc. Since
powerpc doesn't actually implement write-combining fall back to uncached
mappings.
ok mpi@, jsg@
| -rw-r--r-- | sys/dev/pci/drm/ttm/ttm_page_alloc.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/dev/pci/drm/ttm/ttm_page_alloc.c b/sys/dev/pci/drm/ttm/ttm_page_alloc.c index fbb2e946ff9..5b32bd7285b 100644 --- a/sys/dev/pci/drm/ttm/ttm_page_alloc.c +++ b/sys/dev/pci/drm/ttm/ttm_page_alloc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ttm_page_alloc.c,v 1.10 2015/09/27 11:09:26 jsg Exp $ */ +/* $OpenBSD: ttm_page_alloc.c,v 1.11 2015/10/08 10:25:24 kettenis Exp $ */ /* * Copyright (c) Red Hat Inc. @@ -244,18 +244,21 @@ static struct kobj_type ttm_pool_kobj_type = { #endif }; +#ifndef PG_PMAP_WC +#define PG_PMAP_WC PG_PMAP_UC +#endif + static struct ttm_pool_manager *_manager; static int set_pages_array_wb(struct vm_page **pages, int addrinarray) { #ifdef TTM_HAS_AGP -#if defined(__amd64__) || defined(__i386__) +#if defined(__amd64__) || defined(__i386__) || defined(__powerpc__) int i; for (i = 0; i < addrinarray; i++) atomic_clearbits_int(&pages[i]->pg_flags, PG_PMAP_WC); #else - printf("%s stub\n", __func__); return -ENOSYS; #endif #endif @@ -265,13 +268,12 @@ static int set_pages_array_wb(struct vm_page **pages, int addrinarray) static int set_pages_array_wc(struct vm_page **pages, int addrinarray) { #ifdef TTM_HAS_AGP -#if defined(__amd64__) || defined(__i386__) +#if defined(__amd64__) || defined(__i386__) || defined(__powerpc__) int i; for (i = 0; i < addrinarray; i++) atomic_setbits_int(&pages[i]->pg_flags, PG_PMAP_WC); #else - printf("%s stub\n", __func__); return -ENOSYS; #endif #endif |