#ifndef _ASM_X86_AMD_IOMMU_PROTO_H
#define _ASM_X86_AMD_IOMMU_PROTO_H
-struct amd_iommu;
+#include <asm/amd_iommu_types.h>
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);
(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);
+}
+
#endif /* _ASM_X86_AMD_IOMMU_PROTO_H */