virtCCA feature

Signed-off-by: l00500167 lijunbin4@huawei.com

--- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 14 ++++++++++++++ include/linux/iommu.h | 9 +++++++++ 2 files changed, 23 insertions(+)

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 859d21729..0f2acb4ed 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h @@ -625,6 +625,9 @@ struct arm_smmu_strtab_l1_desc {

struct arm_smmu_ste *l2ptr; dma_addr_t l2ptr_dma; +#ifdef CONFIG_CVM_HOST + bool is_sync; +#endif };

struct arm_smmu_ctx_desc { @@ -750,6 +753,12 @@ struct arm_smmu_device { struct mutex streams_mutex;

bool bypass; +#ifdef CONFIG_CVM_HOST + int s_evtq_irq; + int s_gerr_irq; + resource_size_t ioaddr; + uint64_t id; +#endif };

struct arm_smmu_stream { @@ -802,6 +811,11 @@ struct arm_smmu_domain { spinlock_t devices_lock;

struct list_head mmu_notifiers; +#ifdef CONFIG_CVM_HOST + bool secure; + struct list_head node; + struct kvm *kvm; +#endif };

static inline struct arm_smmu_domain *to_smmu_domain(struct iommu_domain *dom) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 1d70dd0d0..2d520200e 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -635,7 +635,16 @@ struct iommu_ops { struct iommu_domain *blocked_domain; struct iommu_domain *default_domain;

+#ifdef CONFIG_CVM_HOST +#ifndef __GENKSYMS__ + union { + int (*iommu_enable_secure)(struct iommu_domain *domain); + + KABI_RESERVE(1) + }; +#else KABI_RESERVE(1) +#endif +#endif KABI_RESERVE(2) KABI_RESERVE(3) KABI_RESERVE(4)