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[Qemu-devel] [PATCH 14/27] acpi: initialize memory hotplug ACPI PIIX4 ha
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 14/27] acpi: initialize memory hotplug ACPI PIIX4 hardware |
Date: |
Thu, 21 Nov 2013 03:38:35 +0100 |
to be used by i440fx machine for handling hardware ACPI part of
memory hotplug interface with guest.
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/acpi/piix4.c | 16 ++++++++++++++++
include/hw/acpi/piix4.h | 2 ++
2 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index cf42f13..e0d9270 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -75,6 +75,7 @@ typedef struct PIIX4PMState {
MemoryRegion io_gpe;
MemoryRegion io_cpu;
+ MemoryRegion io_mem;
ACPIREGS ar;
APMState apm;
@@ -104,6 +105,8 @@ typedef struct PIIX4PMState {
CPUStatus gpe_cpu;
Notifier cpu_added_notifier;
+
+ MemHotplugState gpe_mem;
} PIIX4PMState;
#define TYPE_PIIX4_PM "PIIX4_PM"
@@ -741,6 +744,16 @@ static void piix4_cpu_added_req(Notifier *n, void *opaque)
piix4_cpu_hotplug_req(s, CPU(opaque), PLUG);
}
+int piix4_mem_hotplug(DeviceState *hotplug_dev, DeviceState *dev,
+ HotplugState state)
+{
+ PIIX4PMState *s = PIIX4_PM(hotplug_dev);
+
+ acpi_memory_hotplug_cb(&s->ar, &s->gpe_mem, dev, state);
+ acpi_update_sci(&s->ar, s->irq, ACPI_MEMORY_HOTPLUG_STATUS);
+ return 0;
+}
+
static int piix4_device_hotplug(DeviceState *qdev, DeviceState *dev,
HotplugState state);
@@ -775,6 +788,9 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion
*parent,
memory_region_add_subregion(parent, PIIX4_PROC_BASE, &s->io_cpu);
s->cpu_added_notifier.notify = piix4_cpu_added_req;
qemu_register_cpu_added_notifier(&s->cpu_added_notifier);
+
+ acpi_memory_hotplug_init(OBJECT(s), &s->io_mem, &s->gpe_mem);
+ memory_region_add_subregion(parent, ACPI_MEMORY_HOTPLUG_BASE, &s->io_mem);
}
static void enable_device(PIIX4PMState *s, int slot)
diff --git a/include/hw/acpi/piix4.h b/include/hw/acpi/piix4.h
index 65e6fd7..c314ab5 100644
--- a/include/hw/acpi/piix4.h
+++ b/include/hw/acpi/piix4.h
@@ -4,5 +4,7 @@
#include "qemu/typedefs.h"
Object *piix4_pm_find(void);
+int piix4_mem_hotplug(DeviceState *hotplug_dev, DeviceState *dev,
+ HotplugState state);
#endif
--
1.7.1
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, (continued)
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, Michael S. Tsirkin, 2013/11/24
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, Markus Armbruster, 2013/11/25
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, Paolo Bonzini, 2013/11/25
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, Igor Mammedov, 2013/11/25
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, Paolo Bonzini, 2013/11/25
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, Igor Mammedov, 2013/11/25
- Re: [Qemu-devel] [PATCH 13/27] acpi: memory hotplug ACPI hardware implementation, Igor Mammedov, 2013/11/25
[Qemu-devel] [PATCH 12/27] dimm: add hotplug callback to DimmBus, Igor Mammedov, 2013/11/20
[Qemu-devel] [PATCH 14/27] acpi: initialize memory hotplug ACPI PIIX4 hardware,
Igor Mammedov <=
[Qemu-devel] [PATCH 15/27] acpi: piix4: add memory-hotplug-io-base property to piix4_pm, Igor Mammedov, 2013/11/20
[Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Igor Mammedov, 2013/11/20
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Michael S. Tsirkin, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Hu Tao, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Li Guang, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Michael S. Tsirkin, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Li Guang, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Michael S. Tsirkin, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Li Guang, 2013/11/21
- Re: [Qemu-devel] [PATCH 16/27] acpi: ich9: allow guest to clear SCI rised by GPE, Igor Mammedov, 2013/11/25