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Merge git://git.infradead.org/iommu-2.6

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* git://git.infradead.org/iommu-2.6:
  intel-iommu: Fix address wrap on 32-bit kernel.
  intel-iommu: Enable DMAR on 32-bit kernel.
  intel-iommu: fix PCI device detach from virtual machine
  intel-iommu: VT-d page table to support snooping control bit
  iommu: Add domain_has_cap iommu_ops
  intel-iommu: Snooping control support

Fixed trivial conflicts in arch/x86/Kconfig and drivers/pci/intel-iommu.c
This commit is contained in:
Linus Torvalds 2009-04-03 10:36:57 -07:00
commit ca1ee219c0
7 changed files with 127 additions and 22 deletions
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1
include/linux/dma_remapping.h
View file

@ -11,6 +11,7 @@
#define DMA_PTE_READ (1)
#define DMA_PTE_WRITE (2)
#define DMA_PTE_SNP (1 << 11)
struct intel_iommu;
struct dmar_domain;

2
include/linux/intel-iommu.h
View file

@ -123,7 +123,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
#define ecap_eim_support(e) ((e >> 4) & 0x1)
#define ecap_ir_support(e) ((e >> 3) & 0x1)
#define ecap_max_handle_mask(e) ((e >> 20) & 0xf)
#define ecap_sc_support(e) ((e >> 7) & 0x1) /* Snooping Control */
/* IOTLB_REG */
#define DMA_TLB_FLUSH_GRANU_OFFSET 60

13
include/linux/iommu.h
View file

@ -21,6 +21,7 @@
#define IOMMU_READ (1)
#define IOMMU_WRITE (2)
#define IOMMU_CACHE (4) /* DMA cache coherency */
struct device;
@ -28,6 +29,8 @@ struct iommu_domain {
void *priv;
};
#define IOMMU_CAP_CACHE_COHERENCY 0x1
struct iommu_ops {
int (*domain_init)(struct iommu_domain *domain);
void (*domain_destroy)(struct iommu_domain *domain);
@ -39,6 +42,8 @@ struct iommu_ops {
size_t size);
phys_addr_t (*iova_to_phys)(struct iommu_domain *domain,
unsigned long iova);
int (*domain_has_cap)(struct iommu_domain *domain,
unsigned long cap);
};
#ifdef CONFIG_IOMMU_API
@ -57,6 +62,8 @@ extern void iommu_unmap_range(struct iommu_domain *domain, unsigned long iova,
size_t size);
extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
unsigned long iova);
extern int iommu_domain_has_cap(struct iommu_domain *domain,
unsigned long cap);
#else /* CONFIG_IOMMU_API */
@ -107,6 +114,12 @@ static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
return 0;
}
static inline int domain_has_cap(struct iommu_domain *domain,
unsigned long cap)
{
return 0;
}
#endif /* CONFIG_IOMMU_API */
#endif /* __LINUX_IOMMU_H */