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drivers/iommu/amd_iommu_proto.h
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/* |
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* Copyright (C) 2009-2010 Advanced Micro Devices, Inc. |
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* 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 */ #ifndef _ASM_X86_AMD_IOMMU_PROTO_H #define _ASM_X86_AMD_IOMMU_PROTO_H |
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#include "amd_iommu_types.h" |
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extern int amd_iommu_init_dma_ops(void); extern int amd_iommu_init_passthrough(void); |
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extern irqreturn_t amd_iommu_int_thread(int irq, void *data); |
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extern irqreturn_t amd_iommu_int_handler(int irq, void *data); |
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extern void amd_iommu_apply_erratum_63(u16 devid); extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu); |
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extern int amd_iommu_init_devices(void); extern void amd_iommu_uninit_devices(void); |
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extern void amd_iommu_init_notifier(void); |
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extern void amd_iommu_init_api(void); |
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/* IOMMUv2 specific functions */ |
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struct iommu_domain; |
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extern bool amd_iommu_v2_supported(void); |
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extern int amd_iommu_register_ppr_notifier(struct notifier_block *nb); extern int amd_iommu_unregister_ppr_notifier(struct notifier_block *nb); |
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extern void amd_iommu_domain_direct_map(struct iommu_domain *dom); |
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extern int amd_iommu_domain_enable_v2(struct iommu_domain *dom, int pasids); |
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extern int amd_iommu_flush_page(struct iommu_domain *dom, int pasid, u64 address); extern int amd_iommu_flush_tlb(struct iommu_domain *dom, int pasid); |
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extern int amd_iommu_domain_set_gcr3(struct iommu_domain *dom, int pasid, unsigned long cr3); extern int amd_iommu_domain_clear_gcr3(struct iommu_domain *dom, int pasid); |
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extern struct iommu_domain *amd_iommu_get_v2_domain(struct pci_dev *pdev); |
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#define PPR_SUCCESS 0x0 #define PPR_INVALID 0x1 #define PPR_FAILURE 0xf extern int amd_iommu_complete_ppr(struct pci_dev *pdev, int pasid, int status, int tag); |
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#ifndef CONFIG_AMD_IOMMU_STATS static inline void amd_iommu_stats_init(void) { } #endif /* !CONFIG_AMD_IOMMU_STATS */ |
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static inline bool is_rd890_iommu(struct pci_dev *pdev) { return (pdev->vendor == PCI_VENDOR_ID_ATI) && (pdev->device == PCI_DEVICE_ID_RD890_IOMMU); } |
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static inline bool iommu_feature(struct amd_iommu *iommu, u64 f) { if (!(iommu->cap & (1 << IOMMU_CAP_EFR))) return false; return !!(iommu->features & f); } |
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#endif /* _ASM_X86_AMD_IOMMU_PROTO_H */ |