| 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 |