diff options
| author | Igor Mammedov | 2014-06-02 15:25:25 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin | 2014-06-19 15:41:51 +0200 |
| commit | 3fbcdc27b18b383039b360be1cedf52a1ffb2dff (patch) | |
| tree | 0dcfd7cb4e738e81067b86b683d9b848fc841df6 /hw/i386 | |
| parent | pc: add acpi-device link to PCMachineState (diff) | |
| download | qemu-3fbcdc27b18b383039b360be1cedf52a1ffb2dff.tar.gz qemu-3fbcdc27b18b383039b360be1cedf52a1ffb2dff.tar.xz qemu-3fbcdc27b18b383039b360be1cedf52a1ffb2dff.zip | |
pc: propagate memory hotplug event to ACPI device
Notify PIIX4_PM/ICH9LPC device about hotplug event,
so that it would send SCI to guest notifying about
newly added memory.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/pc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index c9d888fac6..0bedd4695e 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1549,6 +1549,7 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { int slot; + HotplugHandlerClass *hhc; Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); MachineState *machine = MACHINE(hotplug_dev); @@ -1591,9 +1592,18 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev, } trace_mhp_pc_dimm_assigned_slot(slot); + if (!pcms->acpi_dev) { + error_setg(&local_err, + "memory hotplug is not enabled: missing acpi device"); + goto out; + } + memory_region_add_subregion(&pcms->hotplug_memory, addr - pcms->hotplug_memory_base, mr); vmstate_register_ram(mr, dev); + + hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev); + hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err); out: error_propagate(errp, local_err); } |