projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 736baef4 JR |
1 | /* |
| 2 | * Copyright (C) 2012 Advanced Micro Devices, Inc. | |
| 3 | * Author: Joerg Roedel <joerg.roedel@amd.com> | |
| 4 | * | |
| 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. | |
| 8 | * | |
| 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. | |
| 13 | * | |
| 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 | |
| 17 | * | |
| 18 | * This header file contains the interface of the interrupt remapping code to | |
| 19 | * the x86 interrupt management code. | |
| 20 | */ | |
| 21 | ||
| 8a8f422d SS |
22 | #ifndef __X86_IRQ_REMAPPING_H |
| 23 | #define __X86_IRQ_REMAPPING_H | |
| 736baef4 | 24 | |
| d746d1eb | 25 | #include <asm/irqdomain.h> |
| 947045a2 | 26 | #include <asm/hw_irq.h> |
| 399988ee | 27 | #include <asm/io_apic.h> |
| 736baef4 | 28 | |
| 35d3d814 | 29 | struct msi_msg; |
| 947045a2 | 30 | struct irq_alloc_info; |
| 35d3d814 | 31 | |
| 399988ee | 32 | #ifdef CONFIG_IRQ_REMAP |
| 0c3f173a | 33 | |
| 03bbcb2e | 34 | extern void set_irq_remapping_broken(void); |
| 95a02e97 SS |
35 | extern int irq_remapping_prepare(void); |
| 36 | extern int irq_remapping_enable(void); | |
| 37 | extern void irq_remapping_disable(void); | |
| 38 | extern int irq_remapping_reenable(int); | |
| 39 | extern int irq_remap_enable_fault_handling(void); | |
| 6a9f5de2 | 40 | extern void panic_if_irq_remap(const char *msg); |
| 9b1b0e42 | 41 | |
| 947045a2 JL |
42 | extern struct irq_domain * |
| 43 | irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info); | |
| 44 | extern struct irq_domain * | |
| 45 | irq_remapping_get_irq_domain(struct irq_alloc_info *info); | |
| 947045a2 JL |
46 | |
| 47 | /* Create PCI MSI/MSIx irqdomain, use @parent as the parent irqdomain. */ | |
| 52f518a3 | 48 | extern struct irq_domain *arch_create_msi_irq_domain(struct irq_domain *parent); |
| 947045a2 JL |
49 | |
| 50 | /* Get parent irqdomain for interrupt remapping irqdomain */ | |
| 51 | static inline struct irq_domain *arch_get_ir_parent_domain(void) | |
| 52 | { | |
| 53 | return x86_vector_domain; | |
| 54 | } | |
| 55 | ||
| 736baef4 JR |
56 | #else /* CONFIG_IRQ_REMAP */ |
| 57 | ||
| 03bbcb2e | 58 | static inline void set_irq_remapping_broken(void) { } |
| 95a02e97 SS |
59 | static inline int irq_remapping_prepare(void) { return -ENODEV; } |
| 60 | static inline int irq_remapping_enable(void) { return -ENODEV; } | |
| 61 | static inline void irq_remapping_disable(void) { } | |
| 62 | static inline int irq_remapping_reenable(int eim) { return -ENODEV; } | |
| 63 | static inline int irq_remap_enable_fault_handling(void) { return -ENODEV; } | |
| 6a9f5de2 JR |
64 | |
| 65 | static inline void panic_if_irq_remap(const char *msg) | |
| 66 | { | |
| 67 | } | |
| 9b1b0e42 | 68 | |
| 947045a2 JL |
69 | static inline struct irq_domain * |
| 70 | irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info) | |
| 71 | { | |
| 72 | return NULL; | |
| 73 | } | |
| 74 | ||
| 75 | static inline struct irq_domain * | |
| 76 | irq_remapping_get_irq_domain(struct irq_alloc_info *info) | |
| 77 | { | |
| 78 | return NULL; | |
| 79 | } | |
| 80 | ||
| 736baef4 | 81 | #endif /* CONFIG_IRQ_REMAP */ |
| 8a8f422d | 82 | #endif /* __X86_IRQ_REMAPPING_H */ |