while ((cpu_node = of_find_node_by_type(cpu_node, "cpu")) != NULL) {
/* Try interrupt server first */
- interrupt_server = get_property(cpu_node,
+ interrupt_server = of_get_property(cpu_node,
"ibm,ppc-interrupt-server#s", &len);
len = len / sizeof(u32);
return cpu_node;
}
} else {
- reg = get_property(cpu_node, "reg", &len);
+ reg = of_get_property(cpu_node, "reg", &len);
if (reg && (len > 0) && (reg[0] == hw_cpuid))
return cpu_node;
}
/* must hold reference to node during call */
static const int *of_get_associativity(struct device_node *dev)
{
- return get_property(dev, "ibm,associativity", NULL);
+ return of_get_property(dev, "ibm,associativity", NULL);
}
/* Returns nid in the range [0..MAX_NUMNODES-1], or -1 if no useful numa
* characteristics relative to its multiple connections. We ignore
* this for now. We also assume that all cpu and memory sets have
* their distances represented at a common level. This won't be
- * true for heirarchical NUMA.
+ * true for hierarchical NUMA.
*
* In any case the ibm,associativity-reference-points should give
* the correct depth for a normal NUMA system.
* configuration (should be all 0's) and the second is for a normal
* NUMA configuration.
*/
- ref_points = get_property(rtas_root,
+ ref_points = of_get_property(rtas_root,
"ibm,associativity-reference-points", &len);
if ((len >= 1) && ref_points) {
if (!memory)
panic("numa.c: No memory nodes found!");
- *n_addr_cells = prom_n_addr_cells(memory);
- *n_size_cells = prom_n_size_cells(memory);
+ *n_addr_cells = of_n_addr_cells(memory);
+ *n_size_cells = of_n_size_cells(memory);
of_node_put(memory);
}
switch (action) {
case CPU_UP_PREPARE:
+ case CPU_UP_PREPARE_FROZEN:
numa_setup_cpu(lcpu);
ret = NOTIFY_OK;
break;
#ifdef CONFIG_HOTPLUG_CPU
case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
case CPU_UP_CANCELED:
+ case CPU_UP_CANCELED_FROZEN:
unmap_cpu_from_node(lcpu);
break;
ret = NOTIFY_OK;
return lmb_end_of_DRAM() - start;
}
+/*
+ * Extract NUMA information from the ibm,dynamic-reconfiguration-memory
+ * node. This assumes n_mem_{addr,size}_cells have been set.
+ */
+static void __init parse_drconf_memory(struct device_node *memory)
+{
+ const unsigned int *lm, *dm, *aa;
+ unsigned int ls, ld, la;
+ unsigned int n, aam, aalen;
+ unsigned long lmb_size, size;
+ int nid, default_nid = 0;
+ unsigned int start, ai, flags;
+
+ lm = of_get_property(memory, "ibm,lmb-size", &ls);
+ dm = of_get_property(memory, "ibm,dynamic-memory", &ld);
+ aa = of_get_property(memory, "ibm,associativity-lookup-arrays", &la);
+ if (!lm || !dm || !aa ||
+ ls < sizeof(unsigned int) || ld < sizeof(unsigned int) ||
+ la < 2 * sizeof(unsigned int))
+ return;
+
+ lmb_size = read_n_cells(n_mem_size_cells, &lm);
+ n = *dm++; /* number of LMBs */
+ aam = *aa++; /* number of associativity lists */
+ aalen = *aa++; /* length of each associativity list */
+ if (ld < (n * (n_mem_addr_cells + 4) + 1) * sizeof(unsigned int) ||
+ la < (aam * aalen + 2) * sizeof(unsigned int))
+ return;
+
+ for (; n != 0; --n) {
+ start = read_n_cells(n_mem_addr_cells, &dm);
+ ai = dm[2];
+ flags = dm[3];
+ dm += 4;
+ /* 0x80 == reserved, 0x8 = assigned to us */
+ if ((flags & 0x80) || !(flags & 0x8))
+ continue;
+ nid = default_nid;
+ /* flags & 0x40 means associativity index is invalid */
+ if (min_common_depth > 0 && min_common_depth <= aalen &&
+ (flags & 0x40) == 0 && ai < aam) {
+ /* this is like of_node_to_nid_single */
+ nid = aa[ai * aalen + min_common_depth - 1];
+ if (nid == 0xffff || nid >= MAX_NUMNODES)
+ nid = default_nid;
+ }
+ node_set_online(nid);
+
+ size = numa_enforce_memory_limit(start, lmb_size);
+ if (!size)
+ continue;
+
+ add_active_range(nid, start >> PAGE_SHIFT,
+ (start >> PAGE_SHIFT) + (size >> PAGE_SHIFT));
+ }
+}
+
static int __init parse_numa_properties(void)
{
struct device_node *cpu = NULL;
const unsigned int *memcell_buf;
unsigned int len;
- memcell_buf = get_property(memory,
+ memcell_buf = of_get_property(memory,
"linux,usable-memory", &len);
if (!memcell_buf || len <= 0)
- memcell_buf = get_property(memory, "reg", &len);
+ memcell_buf = of_get_property(memory, "reg", &len);
if (!memcell_buf || len <= 0)
continue;
goto new_range;
}
+ /*
+ * Now do the same thing for each LMB listed in the ibm,dynamic-memory
+ * property in the ibm,dynamic-reconfiguration-memory node.
+ */
+ memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
+ if (memory)
+ parse_drconf_memory(memory);
+
return 0;
}
const unsigned int *memcell_buf;
unsigned int len;
- memcell_buf = get_property(memory, "reg", &len);
+ memcell_buf = of_get_property(memory, "reg", &len);
if (!memcell_buf || len <= 0)
continue;