diff options
author | Tang Chen <tangchen@cn.fujitsu.com> | 2015-04-27 16:47:16 +0800 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2015-04-27 21:07:39 +0200 |
commit | 4aae99b63333e71b2097b106bb15a6fde7f9b55b (patch) | |
tree | 936dcc6538877b34b1e5b75a4fcbfd695be6caa6 /hw/acpi/memory_hotplug.c | |
parent | 4fccb4834d0455519ff6d7a81551a8dfd360fefa (diff) |
acpi, mem-hotplug: add acpi_memory_slot_status() to get MemStatus
Add a new API named acpi_memory_slot_status() to obtain a single memory
slot status. Doing this is because this procedure will be used by other
functions in the next coming patches.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi/memory_hotplug.c')
-rw-r--r-- | hw/acpi/memory_hotplug.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index c6580dabb7..6af93032d2 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -163,29 +163,51 @@ void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, memory_region_add_subregion(as, ACPI_MEMORY_HOTPLUG_BASE, &state->io); } -void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, - DeviceState *dev, Error **errp) +/** + * acpi_memory_slot_status: + * @mem_st: memory hotplug state + * @dev: device + * @errp: set in case of an error + * + * Obtain a single memory slot status. + * + * This function will be called by memory unplug request cb and unplug cb. + */ +static MemStatus * +acpi_memory_slot_status(MemHotplugState *mem_st, + DeviceState *dev, Error **errp) { - MemStatus *mdev; Error *local_err = NULL; int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, &local_err); if (local_err) { error_propagate(errp, local_err); - return; + return NULL; } if (slot >= mem_st->dev_count) { char *dev_path = object_get_canonical_path(OBJECT(dev)); - error_setg(errp, "acpi_memory_plug_cb: " + error_setg(errp, "acpi_memory_slot_status: " "device [%s] returned invalid memory slot[%d]", dev_path, slot); g_free(dev_path); + return NULL; + } + + return &mem_st->devs[slot]; +} + +void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, + DeviceState *dev, Error **errp) +{ + MemStatus *mdev; + + mdev = acpi_memory_slot_status(mem_st, dev, errp); + if (!mdev) { return; } - mdev = &mem_st->devs[slot]; mdev->dimm = dev; mdev->is_enabled = true; mdev->is_inserting = true; |