diff options
Diffstat (limited to 'drivers/iommu/arm-smmu.h')
| -rw-r--r-- | drivers/iommu/arm-smmu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h index d172c024be61..d890a4a968e8 100644 --- a/drivers/iommu/arm-smmu.h +++ b/drivers/iommu/arm-smmu.h @@ -18,6 +18,7 @@ #include <linux/io-64-nonatomic-hi-lo.h> #include <linux/io-pgtable.h> #include <linux/iommu.h> +#include <linux/irqreturn.h> #include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/types.h> @@ -236,6 +237,8 @@ enum arm_smmu_cbar_type { /* Maximum number of context banks per SMMU */ #define ARM_SMMU_MAX_CBS 128 +#define TLB_LOOP_TIMEOUT 1000000 /* 1s! */ +#define TLB_SPIN_COUNT 10 /* Shared driver definitions */ enum arm_smmu_arch_version { @@ -387,6 +390,8 @@ struct arm_smmu_impl { void (*tlb_sync)(struct arm_smmu_device *smmu, int page, int sync, int status); int (*def_domain_type)(struct device *dev); + irqreturn_t (*global_fault)(int irq, void *dev); + irqreturn_t (*context_fault)(int irq, void *dev); }; static inline void __iomem *arm_smmu_page(struct arm_smmu_device *smmu, int n) @@ -450,6 +455,7 @@ static inline void arm_smmu_writeq(struct arm_smmu_device *smmu, int page, arm_smmu_writeq((s), ARM_SMMU_CB((s), (n)), (o), (v)) struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu); +struct arm_smmu_device *nvidia_smmu_impl_init(struct arm_smmu_device *smmu); struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu); int arm_mmu500_reset(struct arm_smmu_device *smmu); |