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numa,pc-dimm: Store pc-dimm memory information in numa_info

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Start storing the (start_addr, end_addr) of the pc-dimm memory
in corresponding numa_info[node] so that this information can be used
to lookup node by address.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Bharata B Rao 2015-06-29 13:50:25 +05:30 • committed by Eduardo Habkost
parent 8e23184b6b
commit fa9ea81d15
3 changed files with 40 additions and 0 deletions
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26
numa.c
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@ -52,6 +52,28 @@ static int max_numa_nodeid; /* Highest specified NUMA node ID, plus one.
int nb_numa_nodes;
NodeInfo numa_info[MAX_NODES];
void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node)
{
struct numa_addr_range *range = g_malloc0(sizeof(*range));
range->mem_start = addr;
range->mem_end = addr + size - 1;
QLIST_INSERT_HEAD(&numa_info[node].addr, range, entry);
}
void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node)
{
struct numa_addr_range *range, *next;
QLIST_FOREACH_SAFE(range, &numa_info[node].addr, entry, next) {
if (addr == range->mem_start && (addr + size - 1) == range->mem_end) {
QLIST_REMOVE(range, entry);
g_free(range);
return;
}
}
}
static void numa_node_parse(NumaNodeOptions *node, QemuOpts *opts, Error **errp)
{
uint16_t nodenr;
@ -273,6 +295,10 @@ void parse_numa_opts(MachineClass *mc)
exit(1);
}
for (i = 0; i < nb_numa_nodes; i++) {
QLIST_INIT(&numa_info[i].addr);
}
for (i = 0; i < nb_numa_nodes; i++) {
if (!bitmap_empty(numa_info[i].node_cpu, MAX_CPUMASK_BITS)) {
break;