[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL v2 029/106] pc: propagate memory hotplug event to ACP
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL v2 029/106] pc: propagate memory hotplug event to ACPI device |
Date: |
Wed, 18 Jun 2014 19:17:23 +0300 |
From: Igor Mammedov <address@hidden>
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 <address@hidden>
Acked-by: Peter Crosthwaite <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/i386/pc.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index c9d888f..0bedd46 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);
}
--
MST
- [Qemu-devel] [PULL v2 014/106] pc: add 'etc/reserved-memory-end' fw_cfg interface for SeaBIOS, (continued)
- [Qemu-devel] [PULL v2 014/106] pc: add 'etc/reserved-memory-end' fw_cfg interface for SeaBIOS, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 018/106] pc-dimm: add busy slot check and slot auto-allocation, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 021/106] trace: add acpi memory hotplug IO region events, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 022/106] trace: pc: add PC_DIMM slot & address allocation, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 023/106] acpi:piix4: allow plug/unlug callbacks handle not only PCI devices, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 025/106] pc: ich9 lpc: make it work with global/compat properties, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 024/106] acpi:piix4: add memory hotplug handling, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 026/106] acpi:ich9: add memory hotplug handling, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 027/106] pc: migrate piix4 & ich9 MemHotplugState, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 030/106] pc: ACPI BIOS: implement memory hotplug interface, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 029/106] pc: propagate memory hotplug event to ACPI device,
Michael S. Tsirkin <=
- [Qemu-devel] [PULL v2 033/106] pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 034/106] acpi: update generated files, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 042/106] virtio-net: announce self by guest, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 043/106] Add kvm_eventfds_enabled function, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 044/106] Add chardev API qemu_chr_fe_read_all, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 045/106] Add chardev API qemu_chr_fe_set_msgfds, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 046/106] Add chardev API qemu_chr_fe_get_msgfds, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 052/106] Add vhost_ops to vhost_dev struct and replace all relevant ioctls, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 053/106] Add vhost-backend and VhostBackendType, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 054/106] Add vhost-user as a vhost backend., Michael S. Tsirkin, 2014/06/18