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pc: Fix DIMMs capacity calculation 

pc_existing_dimms_capacity() is returning DIMMs count rather than capacity.
Fix this to return the capacity. Also consider only realized devices for
capacity calculation.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Bharata B Rao 2015-01-27 09:35:00 +05:30 committed by Michael S. Tsirkin
parent 07d01c9c19
commit 759048ac20
1 changed files with 10 additions and 16 deletions
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26
hw/i386/pc.c
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@ -1552,25 +1552,18 @@ void qemu_register_pc_machine(QEMUMachine *m)
g_free(name);
}
static int pc_dimm_count(Object *obj, void *opaque)
{
int *count = opaque;
if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
(*count)++;
}
object_child_foreach(obj, pc_dimm_count, opaque);
return 0;
}
static int pc_existing_dimms_capacity(Object *obj, void *opaque)
{
Error *local_err = NULL;
uint64_t *size = opaque;
if (object_dynamic_cast(obj, TYPE_PC_DIMM)) {
(*size) += object_property_get_int(obj, PC_DIMM_SIZE_PROP, &local_err);
DeviceState *dev = DEVICE(obj);
if (dev->realized) {
(*size) += object_property_get_int(obj, PC_DIMM_SIZE_PROP,
&local_err);
}
if (local_err) {
qerror_report_err(local_err);
@ -1579,7 +1572,7 @@ static int pc_existing_dimms_capacity(Object *obj, void *opaque)
}
}
object_child_foreach(obj, pc_dimm_count, opaque);
object_child_foreach(obj, pc_existing_dimms_capacity, opaque);
return 0;
}
@ -1623,8 +1616,9 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev,
if (existing_dimms_capacity + memory_region_size(mr) >
machine->maxram_size - machine->ram_size) {
error_setg(&local_err, "not enough space, currently 0x%" PRIx64
" in use of total 0x" RAM_ADDR_FMT,
existing_dimms_capacity, machine->maxram_size);
" in use of total hot pluggable 0x" RAM_ADDR_FMT,
existing_dimms_capacity,
machine->maxram_size - machine->ram_size);
goto out;
}