xref: /openbmc/qemu/include/hw/acpi/pc-hotplug.h (revision 2f95279a)
1 /*
2  * QEMU ACPI hotplug utilities shared defines
3  *
4  * Copyright (C) 2014 Red Hat Inc
5  *
6  * Authors:
7  *   Igor Mammedov <imammedo@redhat.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  */
12 #ifndef PC_HOTPLUG_H
13 #define PC_HOTPLUG_H
14 
15 /*
16  * ONLY DEFINEs are permitted in this file since it's shared
17  * between C and ASL code.
18  */
19 
20 /* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should
21  * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT.
22  */
23 #define ACPI_CPU_HOTPLUG_ID_LIMIT 256
24 
25 /* 256 CPU IDs, 8 bits per entry: */
26 #define ACPI_GPE_PROC_LEN 32
27 
28 #define ICH9_CPU_HOTPLUG_IO_BASE 0x0CD8
29 #define PIIX4_CPU_HOTPLUG_IO_BASE 0xaf00
30 #define CPU_HOTPLUG_RESOURCE_DEVICE PRES
31 
32 #define ACPI_MEMORY_HOTPLUG_BASE 0x0a00
33 
34 #endif
35