OpenCloudOS-Kernel/arch/x86/include/asm/device.h

24 lines
529 B
C

#ifndef _ASM_X86_DEVICE_H
#define _ASM_X86_DEVICE_H
struct dev_archdata {
#if defined(CONFIG_INTEL_IOMMU) || defined(CONFIG_AMD_IOMMU)
void *iommu; /* hook for IOMMU specific extension */
#endif
};
#if defined(CONFIG_X86_DEV_DMA_OPS) && defined(CONFIG_PCI_DOMAINS)
struct dma_domain {
struct list_head node;
const struct dma_map_ops *dma_ops;
int domain_nr;
};
void add_dma_domain(struct dma_domain *domain);
void del_dma_domain(struct dma_domain *domain);
#endif
struct pdev_archdata {
};
#endif /* _ASM_X86_DEVICE_H */