1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Copyright (C) 2012 Advanced Micro Devices, Inc.
* Author: Joerg Roedel <joerg.roedel@amd.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* This header file contains stuff that is shared between different interrupt
* remapping drivers but with no need to be visible outside of the IOMMU layer.
*/
#ifndef __INTR_REMAPPING_H
#define __INTR_REMAPPING_H
#ifdef CONFIG_IRQ_REMAP
struct IO_APIC_route_entry;
struct io_apic_irq_attr;
struct irq_data;
struct cpumask;
extern int disable_intremap;
extern int disable_sourceid_checking;
extern int no_x2apic_optout;
struct irq_remap_ops {
/* Check whether Interrupt Remapping is supported */
int (*supported)(void);
/* Initializes hardware and makes it ready for remapping interrupts */
int (*hardware_init)(void);
/* Enables the remapping hardware */
int (*hardware_enable)(void);
/* Disables the remapping hardware */
void (*hardware_disable)(void);
/* Reenables the remapping hardware */
int (*hardware_reenable)(int);
/* Enable fault handling */
int (*enable_faulting)(void);
/* IO-APIC setup routine */
int (*setup_ioapic_entry)(int irq, struct IO_APIC_route_entry *,
unsigned int, int,
struct io_apic_irq_attr *);
/* Set the CPU affinity of a remapped interrupt */
int (*set_affinity)(struct irq_data *data, const struct cpumask *mask,
bool force);
};
extern struct irq_remap_ops intel_irq_remap_ops;
#endif /* CONFIG_IRQ_REMAP */
#endif /* __INTR_REMAPPING_H */
|
