diff options
-rw-r--r-- | drivers/pci/intel-iommu.c | 18 | ||||
-rw-r--r-- | include/linux/dma_remapping.h | 22 |
2 files changed, 20 insertions, 20 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 26c5402b6f7c..97c36b2ee611 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c | |||
@@ -150,6 +150,24 @@ struct dma_pte { | |||
150 | (p).val |= ((addr) & VTD_PAGE_MASK); } while (0) | 150 | (p).val |= ((addr) & VTD_PAGE_MASK); } while (0) |
151 | #define dma_pte_present(p) (((p).val & 3) != 0) | 151 | #define dma_pte_present(p) (((p).val & 3) != 0) |
152 | 152 | ||
153 | struct dmar_domain { | ||
154 | int id; /* domain id */ | ||
155 | struct intel_iommu *iommu; /* back pointer to owning iommu */ | ||
156 | |||
157 | struct list_head devices; /* all devices' list */ | ||
158 | struct iova_domain iovad; /* iova's that belong to this domain */ | ||
159 | |||
160 | struct dma_pte *pgd; /* virtual address */ | ||
161 | spinlock_t mapping_lock; /* page table lock */ | ||
162 | int gaw; /* max guest address width */ | ||
163 | |||
164 | /* adjusted guest address width, 0 is level 2 30-bit */ | ||
165 | int agaw; | ||
166 | |||
167 | #define DOMAIN_FLAG_MULTIPLE_DEVICES 1 | ||
168 | int flags; | ||
169 | }; | ||
170 | |||
153 | static void flush_unmaps_timeout(unsigned long data); | 171 | static void flush_unmaps_timeout(unsigned long data); |
154 | 172 | ||
155 | DEFINE_TIMER(unmap_timer, flush_unmaps_timeout, 0, 0); | 173 | DEFINE_TIMER(unmap_timer, flush_unmaps_timeout, 0, 0); |
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h index 9d5874e3bec9..333014468f17 100644 --- a/include/linux/dma_remapping.h +++ b/include/linux/dma_remapping.h | |||
@@ -9,30 +9,12 @@ | |||
9 | #define VTD_PAGE_MASK (((u64)-1) << VTD_PAGE_SHIFT) | 9 | #define VTD_PAGE_MASK (((u64)-1) << VTD_PAGE_SHIFT) |
10 | #define VTD_PAGE_ALIGN(addr) (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK) | 10 | #define VTD_PAGE_ALIGN(addr) (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK) |
11 | 11 | ||
12 | struct root_entry; | ||
13 | |||
14 | #define DMA_PTE_READ (1) | 12 | #define DMA_PTE_READ (1) |
15 | #define DMA_PTE_WRITE (2) | 13 | #define DMA_PTE_WRITE (2) |
16 | 14 | ||
17 | struct intel_iommu; | 15 | struct intel_iommu; |
18 | 16 | struct dmar_domain; | |
19 | struct dmar_domain { | 17 | struct root_entry; |
20 | int id; /* domain id */ | ||
21 | struct intel_iommu *iommu; /* back pointer to owning iommu */ | ||
22 | |||
23 | struct list_head devices; /* all devices' list */ | ||
24 | struct iova_domain iovad; /* iova's that belong to this domain */ | ||
25 | |||
26 | struct dma_pte *pgd; /* virtual address */ | ||
27 | spinlock_t mapping_lock; /* page table lock */ | ||
28 | int gaw; /* max guest address width */ | ||
29 | |||
30 | /* adjusted guest address width, 0 is level 2 30-bit */ | ||
31 | int agaw; | ||
32 | |||
33 | #define DOMAIN_FLAG_MULTIPLE_DEVICES 1 | ||
34 | int flags; | ||
35 | }; | ||
36 | 18 | ||
37 | /* PCI domain-device relationship */ | 19 | /* PCI domain-device relationship */ |
38 | struct device_domain_info { | 20 | struct device_domain_info { |