On Tue, Mar 04, 2025 at 09:04:01PM -0800, Nicolin Chen wrote:
> Allow arm-smmu-v3-iommufd to call it for S2 cache invalidations.
>
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Pranjal Shrivastava <praan@google.com>
Thanks
> ---
> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 2 ++
> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 4 ++--
> 2 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> index e08c4ede4b2d..3336d196062c 100644
> --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
> @@ -984,6 +984,8 @@ void arm_smmu_install_ste_for_dev(struct arm_smmu_master *master,
> int arm_smmu_cmdq_issue_cmdlist(struct arm_smmu_device *smmu,
> struct arm_smmu_cmdq *cmdq, u64 *cmds, int n,
> bool sync);
> +int arm_smmu_cmdq_issue_cmd_with_sync(struct arm_smmu_device *smmu,
> + struct arm_smmu_cmdq_ent *ent);
>
> #ifdef CONFIG_ARM_SMMU_V3_SVA
> bool arm_smmu_sva_supported(struct arm_smmu_device *smmu);
> diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> index 310bb4109ec9..0462eb1b2912 100644
> --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> @@ -929,8 +929,8 @@ static int arm_smmu_cmdq_issue_cmd(struct arm_smmu_device *smmu,
> return __arm_smmu_cmdq_issue_cmd(smmu, ent, false);
> }
>
> -static int arm_smmu_cmdq_issue_cmd_with_sync(struct arm_smmu_device *smmu,
> - struct arm_smmu_cmdq_ent *ent)
> +int arm_smmu_cmdq_issue_cmd_with_sync(struct arm_smmu_device *smmu,
> + struct arm_smmu_cmdq_ent *ent)
> {
> return __arm_smmu_cmdq_issue_cmd(smmu, ent, true);
> }
> --
> 2.43.0
>
>