The core calls us when a process is modified. Perform the required ATC
invalidations.
Signed-off-by: Jean-Philippe Brucker <jean-philippe.bruc...@arm.com>
---
drivers/iommu/arm-smmu-v3.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index d03bec4d4b82..f591f1974228 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2839,7 +2839,7 @@ static void arm_smmu_process_detach(struct iommu_domain
*domain,
arm_smmu_write_ctx_desc(smmu_domain, process->pasid, NULL);
}
- /* TODO: Invalidate ATC. */
+ arm_smmu_atc_inv_master_all(master, process->pasid);
/* TODO: Invalidate all mappings if last and not DVM. */
}
@@ -2847,8 +2847,9 @@ static void arm_smmu_process_invalidate(struct
iommu_domain *domain,
struct iommu_process *process,
unsigned long iova, size_t size)
{
+ arm_smmu_atc_inv_domain(to_smmu_domain(domain), process->pasid,
+ iova, size);
/*
- * TODO: Invalidate ATC.
* TODO: Invalidate mapping if not DVM
*/
}
@@ -2871,7 +2872,7 @@ static void arm_smmu_process_exit(struct iommu_domain
*domain,
domain->process_exit(domain, master->dev, process->pasid,
domain->process_exit_token);
- /* TODO: inval ATC */
+ arm_smmu_atc_inv_master_all(master, process->pasid);
}
spin_unlock(&smmu_domain->devices_lock);
--
2.13.3
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