xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branches 'arm/exynos', 'arm/renesas', 'arm/rockchip', 'arm/omap', 'arm/mediatek', 'arm/tegra', 'arm/qcom', 'arm/smmu', 'ppc/pamu', 'x86/vt-d', 'x86/amd', 's390' and 'core' into next

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This commit is contained in:
Joerg Roedel
2017-09-01 11:31:42 +02:00
parent cc4a41fe55 0b9a36947c 8da4af9586 c3aa474249 bfee0cf0ee 4193998043 96302d89a0 6ce5b0f22d af6ee6c1c4 3ff2dcc058 5082219b6a ec62b1ab0f cceb845195 add02cfdc9
commit 47b59d8e40
41 changed files with 2883 additions and 1235 deletions
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55
include/linux/iommu.h
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@@ -167,6 +167,10 @@ struct iommu_resv_region {
* @map: map a physically contiguous memory region to an iommu domain
* @unmap: unmap a physically contiguous memory region from an iommu domain
* @map_sg: map a scatter-gather list of physically contiguous memory chunks
* @flush_tlb_all: Synchronously flush all hardware TLBs for this domain
* @tlb_range_add: Add a given iova range to the flush queue for this domain
* @tlb_sync: Flush all queued ranges from the hardware TLBs and empty flush
* queue
* to an iommu domain
* @iova_to_phys: translate iova to physical address
* @add_device: add device to iommu grouping
@@ -199,6 +203,10 @@ struct iommu_ops {
size_t size);
size_t (*map_sg)(struct iommu_domain *domain, unsigned long iova,
struct scatterlist *sg, unsigned int nents, int prot);
void (*flush_iotlb_all)(struct iommu_domain *domain);
void (*iotlb_range_add)(struct iommu_domain *domain,
unsigned long iova, size_t size);
void (*iotlb_sync)(struct iommu_domain *domain);
phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova);
int (*add_device)(struct device *dev);
void (*remove_device)(struct device *dev);
@@ -225,6 +233,7 @@ struct iommu_ops {
u32 (*domain_get_windows)(struct iommu_domain *domain);
int (*of_xlate)(struct device *dev, struct of_phandle_args *args);
bool (*is_attach_deferred)(struct iommu_domain *domain, struct device *dev);
unsigned long pgsize_bitmap;
};
@@ -291,7 +300,9 @@ extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev);
extern int iommu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int prot);
extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
size_t size);
size_t size);
extern size_t iommu_unmap_fast(struct iommu_domain *domain,
unsigned long iova, size_t size);
extern size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
struct scatterlist *sg,unsigned int nents,
int prot);
@@ -348,6 +359,25 @@ extern void iommu_domain_window_disable(struct iommu_domain *domain, u32 wnd_nr)
extern int report_iommu_fault(struct iommu_domain *domain, struct device *dev,
unsigned long iova, int flags);
static inline void iommu_flush_tlb_all(struct iommu_domain *domain)
{
if (domain->ops->flush_iotlb_all)
domain->ops->flush_iotlb_all(domain);
}
static inline void iommu_tlb_range_add(struct iommu_domain *domain,
unsigned long iova, size_t size)
{
if (domain->ops->iotlb_range_add)
domain->ops->iotlb_range_add(domain, iova, size);
}
static inline void iommu_tlb_sync(struct iommu_domain *domain)
{
if (domain->ops->iotlb_sync)
domain->ops->iotlb_sync(domain);
}
static inline size_t iommu_map_sg(struct iommu_domain *domain,
unsigned long iova, struct scatterlist *sg,
unsigned int nents, int prot)
@@ -430,13 +460,19 @@ static inline struct iommu_domain *iommu_get_domain_for_dev(struct device *dev)
}
static inline int iommu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, int gfp_order, int prot)
phys_addr_t paddr, size_t size, int prot)
{
return -ENODEV;
}
static inline int iommu_unmap(struct iommu_domain *domain, unsigned long iova,
int gfp_order)
size_t size)
{
return -ENODEV;
}
static inline int iommu_unmap_fast(struct iommu_domain *domain, unsigned long iova,
int gfp_order)
{
return -ENODEV;
}
@@ -448,6 +484,19 @@ static inline size_t iommu_map_sg(struct iommu_domain *domain,
return -ENODEV;
}
static inline void iommu_flush_tlb_all(struct iommu_domain *domain)
{
}
static inline void iommu_tlb_range_add(struct iommu_domain *domain,
unsigned long iova, size_t size)
{
}
static inline void iommu_tlb_sync(struct iommu_domain *domain)
{
}
static inline int iommu_domain_window_enable(struct iommu_domain *domain,
u32 wnd_nr, phys_addr_t paddr,
u64 size, int prot)