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 stuff that is shared between different interrupt | |
| 19 | * remapping drivers but with no need to be visible outside of the IOMMU layer. | |
| 20 | */ | |
| 21 | ||
| 8a8f422d SS |
22 | #ifndef __IRQ_REMAPPING_H |
| 23 | #define __IRQ_REMAPPING_H | |
| 736baef4 JR |
24 | |
| 25 | #ifdef CONFIG_IRQ_REMAP | |
| 26 | ||
| 0c3f173a JR |
27 | struct IO_APIC_route_entry; |
| 28 | struct io_apic_irq_attr; | |
| 4c1bad6a JR |
29 | struct irq_data; |
| 30 | struct cpumask; | |
| 5e2b930b JR |
31 | struct pci_dev; |
| 32 | struct msi_msg; | |
| 0c3f173a | 33 | |
| 95a02e97 | 34 | extern int disable_irq_remap; |
| 736baef4 JR |
35 | extern int disable_sourceid_checking; |
| 36 | extern int no_x2apic_optout; | |
| 37 | ||
| 38 | struct irq_remap_ops { | |
| 39 | /* Check whether Interrupt Remapping is supported */ | |
| 40 | int (*supported)(void); | |
| 41 | ||
| 42 | /* Initializes hardware and makes it ready for remapping interrupts */ | |
| 95a02e97 | 43 | int (*prepare)(void); |
| 736baef4 JR |
44 | |
| 45 | /* Enables the remapping hardware */ | |
| 95a02e97 | 46 | int (*enable)(void); |
| 4f3d8b67 JR |
47 | |
| 48 | /* Disables the remapping hardware */ | |
| 95a02e97 | 49 | void (*disable)(void); |
| 4f3d8b67 JR |
50 | |
| 51 | /* Reenables the remapping hardware */ | |
| 95a02e97 | 52 | int (*reenable)(int); |
| 4f3d8b67 JR |
53 | |
| 54 | /* Enable fault handling */ | |
| 55 | int (*enable_faulting)(void); | |
| 0c3f173a JR |
56 | |
| 57 | /* IO-APIC setup routine */ | |
| 58 | int (*setup_ioapic_entry)(int irq, struct IO_APIC_route_entry *, | |
| 59 | unsigned int, int, | |
| 60 | struct io_apic_irq_attr *); | |
| 4c1bad6a | 61 | |
| 82b481e8 | 62 | #ifdef CONFIG_SMP |
| 4c1bad6a JR |
63 | /* Set the CPU affinity of a remapped interrupt */ |
| 64 | int (*set_affinity)(struct irq_data *data, const struct cpumask *mask, | |
| 65 | bool force); | |
| 82b481e8 | 66 | #endif |
| 9d619f65 JR |
67 | |
| 68 | /* Free an IRQ */ | |
| 69 | int (*free_irq)(int); | |
| 5e2b930b JR |
70 | |
| 71 | /* Create MSI msg to use for interrupt remapping */ | |
| 72 | void (*compose_msi_msg)(struct pci_dev *, | |
| 73 | unsigned int, unsigned int, | |
| 74 | struct msi_msg *, u8); | |
| 75 | ||
| 76 | /* Allocate remapping resources for MSI */ | |
| 77 | int (*msi_alloc_irq)(struct pci_dev *, int, int); | |
| 78 | ||
| 79 | /* Setup the remapped MSI irq */ | |
| 80 | int (*msi_setup_irq)(struct pci_dev *, unsigned int, int, int); | |
| 81 | ||
| 82 | /* Setup interrupt remapping for an HPET MSI */ | |
| 83 | int (*setup_hpet_msi)(unsigned int, unsigned int); | |
| 736baef4 JR |
84 | }; |
| 85 | ||
| 86 | extern struct irq_remap_ops intel_irq_remap_ops; | |
| 87 | ||
| 88 | #endif /* CONFIG_IRQ_REMAP */ | |
| 89 | ||
| 8a8f422d | 90 | #endif /* __IRQ_REMAPPING_H */ |