diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-02-14 14:11:44 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-04-18 07:21:10 +0200 |
| commit | 78013eaadf696d2105982abb4018fbae394ca08f (patch) | |
| tree | 018da6dc9f81f26fc4d5ce8df7e1a9e9903593ed /include/linux/dmar.h | |
| parent | f39f8d0eb081407e470396fd4cc376c526d13066 (diff) | |
x86: remove the IOMMU table infrastructure
The IOMMU table tries to separate the different IOMMUs into different
backends, but actually requires various cross calls.
Rewrite the code to do the generic swiotlb/swiotlb-xen setup directly
in pci-dma.c and then just call into the IOMMU drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'include/linux/dmar.h')
| -rw-r--r-- | include/linux/dmar.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 45e903d84733..cbd714a198a0 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -121,7 +121,7 @@ extern int dmar_remove_dev_scope(struct dmar_pci_notify_info *info, u16 segment, struct dmar_dev_scope *devices, int count); /* Intel IOMMU detection */ -extern int detect_intel_iommu(void); +void detect_intel_iommu(void); extern int enable_drhd_fault_handling(void); extern int dmar_device_add(acpi_handle handle); extern int dmar_device_remove(acpi_handle handle); @@ -197,6 +197,10 @@ static inline bool dmar_platform_optin(void) return false; } +static inline void detect_intel_iommu(void) +{ +} + #endif /* CONFIG_DMAR_TABLE */ struct irte { |