pc: ACPI BIOS: implement memory hotplug interface

- provides static SSDT object for memory hotplug that can handle
  upto 256 hotplugable memory slots
- SSDT template for memory devices and runtime generator
  of them in SSDT table.

Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
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>

1 files changed, 21 insertions, 0 deletions

diff --git a/include/hw/acpi/pc-hotplug.h b/include/hw/acpi/pc-hotplug.h
index 01d38e2e7e..bf5157d7c3 100644
--- a/include/hw/acpi/pc-hotplug.h
+++ b/include/hw/acpi/pc-hotplug.h
@@ -32,4 +32,25 @@
 #define ACPI_MEMORY_HOTPLUG_IO_LEN 24
 #define ACPI_MEMORY_HOTPLUG_BASE 0x0a00
 
+#define MEMORY_HOPTLUG_DEVICE        MHPD
+#define MEMORY_SLOTS_NUMBER          MDNR
+#define MEMORY_HOTPLUG_IO_REGION     HPMR
+#define MEMORY_SLOT_ADDR_LOW         MRBL
+#define MEMORY_SLOT_ADDR_HIGH        MRBH
+#define MEMORY_SLOT_SIZE_LOW         MRLL
+#define MEMORY_SLOT_SIZE_HIGH        MRLH
+#define MEMORY_SLOT_PROXIMITY        MPX
+#define MEMORY_SLOT_ENABLED          MES
+#define MEMORY_SLOT_INSERT_EVENT     MINS
+#define MEMORY_SLOT_SLECTOR          MSEL
+#define MEMORY_SLOT_OST_EVENT        MOEV
+#define MEMORY_SLOT_OST_STATUS       MOSC
+#define MEMORY_SLOT_LOCK             MLCK
+#define MEMORY_SLOT_STATUS_METHOD    MRST
+#define MEMORY_SLOT_CRS_METHOD       MCRS
+#define MEMORY_SLOT_OST_METHOD       MOST
+#define MEMORY_SLOT_PROXIMITY_METHOD MPXM
+#define MEMORY_SLOT_NOTIFY_METHOD    MTFY
+#define MEMORY_SLOT_SCAN_METHOD      MSCN
+
 #endif