2 * Copyright (C) 2012 Advanced Micro Devices, Inc.
3 * Author: Joerg Roedel <joerg.roedel@amd.com>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published
7 * by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * This header file contains stuff that is shared between different interrupt
19 * remapping drivers but with no need to be visible outside of the IOMMU layer.
22 #ifndef __INTR_REMAPPING_H
23 #define __INTR_REMAPPING_H
25 #ifdef CONFIG_IRQ_REMAP
27 extern int disable_intremap;
28 extern int disable_sourceid_checking;
29 extern int no_x2apic_optout;
31 struct irq_remap_ops {
32 /* Check whether Interrupt Remapping is supported */
33 int (*supported)(void);
35 /* Initializes hardware and makes it ready for remapping interrupts */
36 int (*hardware_init)(void);
38 /* Enables the remapping hardware */
39 int (*hardware_enable)(void);
42 extern struct irq_remap_ops intel_irq_remap_ops;
44 #endif /* CONFIG_IRQ_REMAP */
46 #endif /* __INTR_REMAPPING_H */