102 строки
3.5 KiB
C
102 строки
3.5 KiB
C
/*
|
|
* 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 the interface of the interrupt remapping code to
|
|
* the x86 interrupt management code.
|
|
*/
|
|
|
|
#ifndef __X86_IRQ_REMAPPING_H
|
|
#define __X86_IRQ_REMAPPING_H
|
|
|
|
#include <asm/io_apic.h>
|
|
|
|
#ifdef CONFIG_IRQ_REMAP
|
|
|
|
extern int irq_remapping_enabled;
|
|
|
|
extern void setup_irq_remapping_ops(void);
|
|
extern int irq_remapping_supported(void);
|
|
extern int irq_remapping_prepare(void);
|
|
extern int irq_remapping_enable(void);
|
|
extern void irq_remapping_disable(void);
|
|
extern int irq_remapping_reenable(int);
|
|
extern int irq_remap_enable_fault_handling(void);
|
|
extern int setup_ioapic_remapped_entry(int irq,
|
|
struct IO_APIC_route_entry *entry,
|
|
unsigned int destination,
|
|
int vector,
|
|
struct io_apic_irq_attr *attr);
|
|
extern int set_remapped_irq_affinity(struct irq_data *data,
|
|
const struct cpumask *mask,
|
|
bool force);
|
|
extern void free_remapped_irq(int irq);
|
|
extern void compose_remapped_msi_msg(struct pci_dev *pdev,
|
|
unsigned int irq, unsigned int dest,
|
|
struct msi_msg *msg, u8 hpet_id);
|
|
extern int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec);
|
|
extern int msi_setup_remapped_irq(struct pci_dev *pdev, unsigned int irq,
|
|
int index, int sub_handle);
|
|
extern int setup_hpet_msi_remapped(unsigned int irq, unsigned int id);
|
|
|
|
#else /* CONFIG_IRQ_REMAP */
|
|
|
|
#define irq_remapping_enabled 0
|
|
|
|
static inline void setup_irq_remapping_ops(void) { }
|
|
static inline int irq_remapping_supported(void) { return 0; }
|
|
static inline int irq_remapping_prepare(void) { return -ENODEV; }
|
|
static inline int irq_remapping_enable(void) { return -ENODEV; }
|
|
static inline void irq_remapping_disable(void) { }
|
|
static inline int irq_remapping_reenable(int eim) { return -ENODEV; }
|
|
static inline int irq_remap_enable_fault_handling(void) { return -ENODEV; }
|
|
static inline int setup_ioapic_remapped_entry(int irq,
|
|
struct IO_APIC_route_entry *entry,
|
|
unsigned int destination,
|
|
int vector,
|
|
struct io_apic_irq_attr *attr)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
static inline int set_remapped_irq_affinity(struct irq_data *data,
|
|
const struct cpumask *mask,
|
|
bool force)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline void free_remapped_irq(int irq) { }
|
|
static inline void compose_remapped_msi_msg(struct pci_dev *pdev,
|
|
unsigned int irq, unsigned int dest,
|
|
struct msi_msg *msg, u8 hpet_id)
|
|
{
|
|
}
|
|
static inline int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
static inline int msi_setup_remapped_irq(struct pci_dev *pdev, unsigned int irq,
|
|
int index, int sub_handle)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
static inline int setup_hpet_msi_remapped(unsigned int irq, unsigned int id)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
#endif /* CONFIG_IRQ_REMAP */
|
|
|
|
#endif /* __X86_IRQ_REMAPPING_H */
|