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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-08-15 10:41:47 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-08-15 10:41:47 +0200
commitcc9263874b42bf98209dce0afe698b550648e770 (patch)
treef0eafd344c501e420de06c2e0f29f2ae0e6a9a1b /include/uapi/linux/tipc.h
parent02bef8f98d26e9774b49c78a42b29b168e8876fc (diff)
parentfc93ff608b15ae32cde3006b7af860b59cac20ec (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Backmerge because too many conflicts, and also we need to get at the latest struct fence patches from Gustavo. Requested by Chris Wilson. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/uapi/linux/tipc.h')
-rw-r--r--include/uapi/linux/tipc.h30
1 files changed, 26 insertions, 4 deletions
diff --git a/include/uapi/linux/tipc.h b/include/uapi/linux/tipc.h
index 6f71b9b41595..bf049e8fe31b 100644
--- a/include/uapi/linux/tipc.h
+++ b/include/uapi/linux/tipc.h
@@ -60,26 +60,48 @@ struct tipc_name_seq {
__u32 upper;
};
+/* TIPC Address Size, Offset, Mask specification for Z.C.N
+ */
+#define TIPC_NODE_BITS 12
+#define TIPC_CLUSTER_BITS 12
+#define TIPC_ZONE_BITS 8
+
+#define TIPC_NODE_OFFSET 0
+#define TIPC_CLUSTER_OFFSET TIPC_NODE_BITS
+#define TIPC_ZONE_OFFSET (TIPC_CLUSTER_OFFSET + TIPC_CLUSTER_BITS)
+
+#define TIPC_NODE_SIZE ((1UL << TIPC_NODE_BITS) - 1)
+#define TIPC_CLUSTER_SIZE ((1UL << TIPC_CLUSTER_BITS) - 1)
+#define TIPC_ZONE_SIZE ((1UL << TIPC_ZONE_BITS) - 1)
+
+#define TIPC_NODE_MASK (TIPC_NODE_SIZE << TIPC_NODE_OFFSET)
+#define TIPC_CLUSTER_MASK (TIPC_CLUSTER_SIZE << TIPC_CLUSTER_OFFSET)
+#define TIPC_ZONE_MASK (TIPC_ZONE_SIZE << TIPC_ZONE_OFFSET)
+
+#define TIPC_ZONE_CLUSTER_MASK (TIPC_ZONE_MASK | TIPC_CLUSTER_MASK)
+
static inline __u32 tipc_addr(unsigned int zone,
unsigned int cluster,
unsigned int node)
{
- return (zone << 24) | (cluster << 12) | node;
+ return (zone << TIPC_ZONE_OFFSET) |
+ (cluster << TIPC_CLUSTER_OFFSET) |
+ node;
}
static inline unsigned int tipc_zone(__u32 addr)
{
- return addr >> 24;
+ return addr >> TIPC_ZONE_OFFSET;
}
static inline unsigned int tipc_cluster(__u32 addr)
{
- return (addr >> 12) & 0xfff;
+ return (addr & TIPC_CLUSTER_MASK) >> TIPC_CLUSTER_OFFSET;
}
static inline unsigned int tipc_node(__u32 addr)
{
- return addr & 0xfff;
+ return addr & TIPC_NODE_MASK;
}
/*