diff options
Diffstat (limited to 'xen/include/asm-x86/iommu.h')
| -rw-r--r-- | xen/include/asm-x86/iommu.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/xen/include/asm-x86/iommu.h b/xen/include/asm-x86/iommu.h index daec64bf76..6707f94cbe 100644 --- a/xen/include/asm-x86/iommu.h +++ b/xen/include/asm-x86/iommu.h @@ -28,7 +28,9 @@ #include <public/domctl.h> extern int vtd_enabled; +extern int amd_iommu_enabled; +#define iommu_enabled ( amd_iommu_enabled || vtd_enabled ) #define domain_hvm_iommu(d) (&d->arch.hvm_domain.hvm_iommu) #define domain_vmx_iommu(d) (&d->arch.hvm_domain.hvm_iommu.vmx_iommu) #define iommu_qi_ctrl(iommu) (&(iommu->intel.qi_ctrl)); @@ -72,17 +74,29 @@ int iommu_domain_init(struct domain *d); void iommu_domain_destroy(struct domain *d); int device_assigned(u8 bus, u8 devfn); int assign_device(struct domain *d, u8 bus, u8 devfn); -int iommu_map_page(struct domain *d, dma_addr_t gfn, dma_addr_t mfn); -int iommu_unmap_page(struct domain *d, dma_addr_t gfn); -void iommu_flush(struct domain *d, dma_addr_t gfn, u64 *p2m_entry); +int iommu_map_page(struct domain *d, unsigned long gfn, unsigned long mfn); +int iommu_unmap_page(struct domain *d, unsigned long gfn); +void iommu_flush(struct domain *d, unsigned long gfn, u64 *p2m_entry); void iommu_set_pgd(struct domain *d); void iommu_domain_teardown(struct domain *d); int hvm_do_IRQ_dpci(struct domain *d, unsigned int irq); int dpci_ioport_intercept(ioreq_t *p); int pt_irq_create_bind_vtd(struct domain *d, xen_domctl_bind_pt_irq_t *pt_irq_bind); +unsigned int io_apic_read_remap_rte( + unsigned int apic, unsigned int reg); +void io_apic_write_remap_rte(unsigned int apic, + unsigned int reg, unsigned int value); #define PT_IRQ_TIME_OUT MILLISECS(8) #define VTDPREFIX "[VT-D]" +struct iommu_ops { + int (*init)(struct domain *d); + int (*assign_device)(struct domain *d, u8 bus, u8 devfn); + void (*teardown)(struct domain *d); + int (*map_page)(struct domain *d, unsigned long gfn, unsigned long mfn); + int (*unmap_page)(struct domain *d, unsigned long gfn); +}; + #endif /* _IOMMU_H_ */ |