From: Jordan Crouse jcrouse@codeaurora.org
Pass the propposed io_pgtable_cfg to the implementation specific init_context() function to give the implementation an opportunity to to modify it before it gets passed to io-pgtable.
Signed-off-by: Jordan Crouse jcrouse@codeaurora.org Signed-off-by: Sai Prakash Ranjan saiprakash.ranjan@codeaurora.org --- drivers/iommu/arm-smmu-impl.c | 3 ++- drivers/iommu/arm-smmu.c | 11 ++++++----- drivers/iommu/arm-smmu.h | 3 ++- 3 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/iommu/arm-smmu-impl.c b/drivers/iommu/arm-smmu-impl.c index b2fe72a..33ed682 100644 --- a/drivers/iommu/arm-smmu-impl.c +++ b/drivers/iommu/arm-smmu-impl.c @@ -68,7 +68,8 @@ static int cavium_cfg_probe(struct arm_smmu_device *smmu) return 0; }
-static int cavium_init_context(struct arm_smmu_domain *smmu_domain) +static int cavium_init_context(struct arm_smmu_domain *smmu_domain, + struct io_pgtable_cfg *pgtbl_cfg) { struct cavium_smmu *cs = container_of(smmu_domain->smmu, struct cavium_smmu, smmu); diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index eee48f9..4f7e0c0 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -758,11 +758,6 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, cfg->asid = cfg->cbndx;
smmu_domain->smmu = smmu; - if (smmu->impl && smmu->impl->init_context) { - ret = smmu->impl->init_context(smmu_domain); - if (ret) - goto out_unlock; - }
smmu_domain->pgtbl_cfg = (struct io_pgtable_cfg) { .pgsize_bitmap = smmu->pgsize_bitmap, @@ -773,6 +768,12 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, .iommu_dev = smmu->dev, };
+ if (smmu->impl && smmu->impl->init_context) { + ret = smmu->impl->init_context(smmu_domain, &smmu_domain->pgtbl_cfg); + if (ret) + goto out_unlock; + } + if (smmu_domain->non_strict) smmu_domain->pgtbl_cfg.quirks |= IO_PGTABLE_QUIRK_NON_STRICT;
diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h index b2df38c..f57cdbe 100644 --- a/drivers/iommu/arm-smmu.h +++ b/drivers/iommu/arm-smmu.h @@ -335,7 +335,8 @@ struct arm_smmu_impl { u64 val); int (*cfg_probe)(struct arm_smmu_device *smmu); int (*reset)(struct arm_smmu_device *smmu); - int (*init_context)(struct arm_smmu_domain *smmu_domain); + int (*init_context)(struct arm_smmu_domain *smmu_domain, + struct io_pgtable_cfg *pgtbl_cfg); };
static inline void __iomem *arm_smmu_page(struct arm_smmu_device *smmu, int n) -- 1.9.1