#include <asm/sn/types.h>
#include <asm/sn/sn_cpuid.h>
+/*
+ * This is the maximum number of NUMALINK nodes that can be part of a single
+ * SSI kernel. This number includes C-brick, M-bricks, and TIOs. Nodes in
+ * remote partitions are NOT included in this number.
+ * The number of compact nodes cannot exceed size of a coherency domain.
+ * The purpose of this define is to specify a node count that includes
+ * all C/M/TIO nodes in an SSI system.
+ *
+ * SGI system can currently support up to 256 C/M nodes plus additional TIO nodes.
+ *
+ * Note: ACPI20 has an architectural limit of 256 nodes. When we upgrade
+ * to ACPI3.0, this limit will be removed. The notion of "compact nodes"
+ * should be deleted and TIOs should be included in MAX_NUMNODES.
+ */
+#define MAX_COMPACT_NODES 512
+
+/*
+ * Maximum number of nodes in all partitions and in all coherency domains.
+ * This is the total number of nodes accessible in the numalink fabric. It
+ * includes all C & M bricks, plus all TIOs.
+ *
+ * This value is also the value of the maximum number of NASIDs in the numalink
+ * fabric.
+ */
+#define MAX_NUMALINK_NODES 16384
+
/*
* The following defines attributes of the HUB chip. These attributes are
* frequently referenced. They are kept in the per-cpu data areas of each cpu.
#define enable_shub_wars_1_1() (sn_hub_info->shub_1_1_found)
-/*
- * This is the maximum number of nodes that can be part of a kernel.
- * Effectively, it's the maximum number of compact node ids (cnodeid_t).
- * This is not necessarily the same as MAX_NASIDS.
- */
-#define MAX_COMPACT_NODES 2048
-#define CPUS_PER_NODE 4
-
-
/*
* Compact node ID to nasid mappings kept in the per-cpu data areas of each
* cpu.
#define sn_cnodeid_to_nasid (&__get_cpu_var(__sn_cnodeid_to_nasid[0]))
-
extern u8 sn_partition_id;
extern u8 sn_system_size;
extern u8 sn_sharing_domain_size;