| Message ID | 25454ba4d411914abb12f764ddd82080e7916d70.1426494342.git.zhugh.fnst@cn.fujitsu.com |
|---|---|
| State | New |
| Headers | show |
On Mon, 16 Mar 2015 16:58:16 +0800 Zhu Guihua <zhugh.fnst@cn.fujitsu.com> wrote: > From: Tang Chen <tangchen@cn.fujitsu.com> > > This patch adds unplug cb for memory device. It resets some memory status > in acpi_memory_unplug_cb(). 'some' is quite vague. Pls, explain what it does in commit message. [...] > diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c > index f716e91..781ad33 100644 > --- a/hw/acpi/piix4.c > +++ b/hw/acpi/piix4.c > @@ -377,8 +377,14 @@ static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev, > static void piix4_device_unplug_cb(HotplugHandler *hotplug_dev, > DeviceState *dev, Error **errp) > { > - error_setg(errp, "acpi: device unplug for not supported device" > - " type: %s", object_get_typename(OBJECT(dev))); > + PIIX4PMState *s = PIIX4_PM(hotplug_dev); > + > + if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { missing condition "pm->acpi_memory_hotplug.is_enabled &&"? > + acpi_memory_unplug_cb(&s->acpi_memory_hotplug, dev, errp); > + } else { > + error_setg(errp, "acpi: device unplug for not supported device" > + " type: %s", object_get_typename(OBJECT(dev))); > + } > } > > static void piix4_update_bus_hotplug(PCIBus *pci_bus, void *opaque) > diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h > index c437a85..15deae0 100644 > --- a/include/hw/acpi/memory_hotplug.h > +++ b/include/hw/acpi/memory_hotplug.h > @@ -32,6 +32,8 @@ void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, > void acpi_memory_unplug_request_cb(ACPIREGS *ar, qemu_irq irq, > MemHotplugState *mem_st, > DeviceState *dev, Error **errp); > +void acpi_memory_unplug_cb(MemHotplugState *mem_st, > + DeviceState *dev, Error **errp); > > extern const VMStateDescription vmstate_memory_hotplug; > #define VMSTATE_MEMORY_HOTPLUG(memhp, state) \
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index b85eed4..84e5bb8 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -413,8 +413,13 @@ void ich9_pm_device_unplug_request_cb(ICH9LPCPMRegs *pm, DeviceState *dev, void ich9_pm_device_unplug_cb(ICH9LPCPMRegs *pm, DeviceState *dev, Error **errp) { - error_setg(errp, "acpi: device unplug for not supported device" - " type: %s", object_get_typename(OBJECT(dev))); + if (pm->acpi_memory_hotplug.is_enabled && + object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { + acpi_memory_unplug_cb(&pm->acpi_memory_hotplug, dev, errp); + } else { + error_setg(errp, "acpi: device unplug for not supported device" + " type: %s", object_get_typename(OBJECT(dev))); + } } void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list) diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index 2ef6a94..687b2f1 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -227,6 +227,20 @@ void acpi_memory_unplug_request_cb(ACPIREGS *ar, qemu_irq irq, acpi_update_sci(ar, irq); } +void acpi_memory_unplug_cb(MemHotplugState *mem_st, + DeviceState *dev, Error **errp) +{ + MemStatus *mdev; + + mdev = acpi_memory_slot_status(mem_st, dev, errp); + if (!mdev) { + return; + } + + mdev->is_enabled = false; + mdev->dimm = NULL; +} + static const VMStateDescription vmstate_memhp_sts = { .name = "memory hotplug device state", .version_id = 1, diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index f716e91..781ad33 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -377,8 +377,14 @@ static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev, static void piix4_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - error_setg(errp, "acpi: device unplug for not supported device" - " type: %s", object_get_typename(OBJECT(dev))); + PIIX4PMState *s = PIIX4_PM(hotplug_dev); + + if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { + acpi_memory_unplug_cb(&s->acpi_memory_hotplug, dev, errp); + } else { + error_setg(errp, "acpi: device unplug for not supported device" + " type: %s", object_get_typename(OBJECT(dev))); + } } static void piix4_update_bus_hotplug(PCIBus *pci_bus, void *opaque) diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h index c437a85..15deae0 100644 --- a/include/hw/acpi/memory_hotplug.h +++ b/include/hw/acpi/memory_hotplug.h @@ -32,6 +32,8 @@ void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, void acpi_memory_unplug_request_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, DeviceState *dev, Error **errp); +void acpi_memory_unplug_cb(MemHotplugState *mem_st, + DeviceState *dev, Error **errp); extern const VMStateDescription vmstate_memory_hotplug; #define VMSTATE_MEMORY_HOTPLUG(memhp, state) \