Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 1 | /* |
Joerg Roedel | 5d0d715 | 2010-10-13 11:13:21 +0200 | [diff] [blame] | 2 | * Copyright (C) 2009-2010 Advanced Micro Devices, Inc. |
Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 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 | |
| 19 | #ifndef _ASM_X86_AMD_IOMMU_PROTO_H |
| 20 | #define _ASM_X86_AMD_IOMMU_PROTO_H |
| 21 | |
Joerg Roedel | d99ddec | 2011-04-11 11:03:18 +0200 | [diff] [blame] | 22 | #include <asm/amd_iommu_types.h> |
Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 23 | |
| 24 | extern int amd_iommu_init_dma_ops(void); |
| 25 | extern int amd_iommu_init_passthrough(void); |
Joerg Roedel | 72fe00f | 2011-05-10 10:50:42 +0200 | [diff] [blame] | 26 | extern irqreturn_t amd_iommu_int_thread(int irq, void *data); |
Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 27 | extern irqreturn_t amd_iommu_int_handler(int irq, void *data); |
Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 28 | extern void amd_iommu_apply_erratum_63(u16 devid); |
| 29 | extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu); |
Joerg Roedel | b7cc955 | 2009-12-10 11:03:39 +0100 | [diff] [blame] | 30 | extern int amd_iommu_init_devices(void); |
| 31 | extern void amd_iommu_uninit_devices(void); |
Joerg Roedel | 8638c49 | 2009-12-10 11:12:25 +0100 | [diff] [blame] | 32 | extern void amd_iommu_init_notifier(void); |
Joerg Roedel | f532509 | 2010-01-22 17:44:35 +0100 | [diff] [blame] | 33 | extern void amd_iommu_init_api(void); |
Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 34 | #ifndef CONFIG_AMD_IOMMU_STATS |
| 35 | |
| 36 | static inline void amd_iommu_stats_init(void) { } |
| 37 | |
| 38 | #endif /* !CONFIG_AMD_IOMMU_STATS */ |
| 39 | |
Joerg Roedel | 4c894f4 | 2010-09-23 15:15:19 +0200 | [diff] [blame] | 40 | static inline bool is_rd890_iommu(struct pci_dev *pdev) |
| 41 | { |
| 42 | return (pdev->vendor == PCI_VENDOR_ID_ATI) && |
| 43 | (pdev->device == PCI_DEVICE_ID_RD890_IOMMU); |
| 44 | } |
| 45 | |
Joerg Roedel | d99ddec | 2011-04-11 11:03:18 +0200 | [diff] [blame] | 46 | static inline bool iommu_feature(struct amd_iommu *iommu, u64 f) |
| 47 | { |
| 48 | if (!(iommu->cap & (1 << IOMMU_CAP_EFR))) |
| 49 | return false; |
| 50 | |
| 51 | return !!(iommu->features & f); |
| 52 | } |
| 53 | |
Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 54 | #endif /* _ASM_X86_AMD_IOMMU_PROTO_H */ |