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authorriastradh <riastradh@NetBSD.org>2021-12-19 01:40:04 +0000
committerriastradh <riastradh@NetBSD.org>2021-12-19 01:40:04 +0000
commitbcefeeeb0884ce51fc404df89e524e90e79190c4 (patch)
tree3993b9948e559d678a28ef8769df7fb5e1d3d947 /sys/external/bsd/drm2/include/linux
parent4d72f7e73f448501b3a4c01d4c9228d41e765ceb (diff)
DEFINE_RES_MEM, resource_contains
Diffstat (limited to 'sys/external/bsd/drm2/include/linux')
-rw-r--r--sys/external/bsd/drm2/include/linux/ioport.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/sys/external/bsd/drm2/include/linux/ioport.h b/sys/external/bsd/drm2/include/linux/ioport.h
index 7694d92d13f..b2b505189a7 100644
--- a/sys/external/bsd/drm2/include/linux/ioport.h
+++ b/sys/external/bsd/drm2/include/linux/ioport.h
@@ -1,4 +1,4 @@
-/* $NetBSD: ioport.h,v 1.4 2021/12/19 01:38:58 riastradh Exp $ */
+/* $NetBSD: ioport.h,v 1.5 2021/12/19 01:40:04 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -47,12 +47,23 @@ struct resource {
bus_space_handle_t r_bsh;
};
+#define DEFINE_RES_MEM(START, SIZE) \
+ { .start = (START), .end = (START) + ((SIZE) - 1) }
+
static inline bus_size_t
resource_size(struct resource *resource)
{
return resource->end - resource->start + 1;
}
+static inline bool
+resource_contains(struct resource *r1, struct resource *r2)
+{
+ if (r1->r_bst != r2->r_bst)
+ return false;
+ return r1->start <= r2->start && r2->end <= r1->end;
+}
+
static inline void
release_resource(struct resource *resource)
{