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author | Joerg Roedel <jroedel@suse.de> | 2020-06-09 15:03:02 +0200 |
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committer | Joerg Roedel <jroedel@suse.de> | 2020-06-10 17:46:42 +0200 |
commit | ad8694bac410e5d72ad610dfb146f58bf2fe0365 (patch) | |
tree | 789fdd8ef996bef00a44a8a31aa4649b2f39f065 /drivers/iommu/amd_iommu.h | |
parent | iommu: Check for deferred attach in iommu_group_do_dma_attach() (diff) | |
download | linux-ad8694bac410e5d72ad610dfb146f58bf2fe0365.tar.xz linux-ad8694bac410e5d72ad610dfb146f58bf2fe0365.zip |
iommu/amd: Move AMD IOMMU driver into subdirectory
Move all files related to the AMD IOMMU driver into its own
subdirectory.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20200609130303.26974-2-joro@8bytes.org
Diffstat (limited to 'drivers/iommu/amd_iommu.h')
-rw-r--r-- | drivers/iommu/amd_iommu.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/drivers/iommu/amd_iommu.h b/drivers/iommu/amd_iommu.h deleted file mode 100644 index f892992c8744..000000000000 --- a/drivers/iommu/amd_iommu.h +++ /dev/null @@ -1,108 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2009-2010 Advanced Micro Devices, Inc. - * Author: Joerg Roedel <jroedel@suse.de> - */ - -#ifndef AMD_IOMMU_H -#define AMD_IOMMU_H - -#include <linux/iommu.h> - -#include "amd_iommu_types.h" - -extern int amd_iommu_get_num_iommus(void); -extern int amd_iommu_init_dma_ops(void); -extern int amd_iommu_init_passthrough(void); -extern irqreturn_t amd_iommu_int_thread(int irq, void *data); -extern irqreturn_t amd_iommu_int_handler(int irq, void *data); -extern void amd_iommu_apply_erratum_63(u16 devid); -extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu); -extern int amd_iommu_init_devices(void); -extern void amd_iommu_uninit_devices(void); -extern void amd_iommu_init_notifier(void); -extern int amd_iommu_init_api(void); - -#ifdef CONFIG_AMD_IOMMU_DEBUGFS -void amd_iommu_debugfs_setup(struct amd_iommu *iommu); -#else -static inline void amd_iommu_debugfs_setup(struct amd_iommu *iommu) {} -#endif - -/* Needed for interrupt remapping */ -extern int amd_iommu_prepare(void); -extern int amd_iommu_enable(void); -extern void amd_iommu_disable(void); -extern int amd_iommu_reenable(int); -extern int amd_iommu_enable_faulting(void); -extern int amd_iommu_guest_ir; - -/* IOMMUv2 specific functions */ -struct iommu_domain; - -extern bool amd_iommu_v2_supported(void); -extern int amd_iommu_register_ppr_notifier(struct notifier_block *nb); -extern int amd_iommu_unregister_ppr_notifier(struct notifier_block *nb); -extern void amd_iommu_domain_direct_map(struct iommu_domain *dom); -extern int amd_iommu_domain_enable_v2(struct iommu_domain *dom, int pasids); -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); -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); -extern struct iommu_domain *amd_iommu_get_v2_domain(struct pci_dev *pdev); - -#ifdef CONFIG_IRQ_REMAP -extern int amd_iommu_create_irq_domain(struct amd_iommu *iommu); -#else -static inline int amd_iommu_create_irq_domain(struct amd_iommu *iommu) -{ - return 0; -} -#endif - -#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); - -static inline bool is_rd890_iommu(struct pci_dev *pdev) -{ - return (pdev->vendor == PCI_VENDOR_ID_ATI) && - (pdev->device == PCI_DEVICE_ID_RD890_IOMMU); -} - -static inline bool iommu_feature(struct amd_iommu *iommu, u64 f) -{ - if (!(iommu->cap & (1 << IOMMU_CAP_EFR))) - return false; - - return !!(iommu->features & f); -} - -static inline u64 iommu_virt_to_phys(void *vaddr) -{ - return (u64)__sme_set(virt_to_phys(vaddr)); -} - -static inline void *iommu_phys_to_virt(unsigned long paddr) -{ - return phys_to_virt(__sme_clr(paddr)); -} - -extern bool translation_pre_enabled(struct amd_iommu *iommu); -extern bool amd_iommu_is_attach_deferred(struct iommu_domain *domain, - struct device *dev); -extern int __init add_special_device(u8 type, u8 id, u16 *devid, - bool cmd_line); - -#ifdef CONFIG_DMI -void amd_iommu_apply_ivrs_quirks(void); -#else -static void amd_iommu_apply_ivrs_quirks(void) { } -#endif - -#endif |