diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index e44721d31d14..f96205352fb2 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -915,6 +915,9 @@ struct kvm_vcpu_arch {
 	/* Per-vcpu CCSIDR override or NULL */
 	u32 *ccsidr;
 
+	/* mem cache for pvIOMMU usage in guests. */
+	struct kvm_hyp_memcache iommu_mc;
+
 	/* PAGE_SIZE bound list of requests from the hypervisor to the host. */
 	struct kvm_hyp_req *hyp_reqs;
 };
@@ -1716,6 +1719,8 @@ struct kvm_iommu_driver {
 	int (*get_device_iommu_num_ids)(struct device *dev);
 	int (*get_device_iommu_id)(struct device *dev, u32 id,
 				   pkvm_handle_t *out_iommu, u32 *out_sid);
+	void *(*guest_alloc)(void *flags, unsigned long order);
+	void (*guest_free)(void *addr, void *flags, unsigned long order);
 	ANDROID_KABI_RESERVE(1);
 	ANDROID_KABI_RESERVE(2);
 	ANDROID_KABI_RESERVE(3);
@@ -1737,6 +1742,9 @@ pkvm_handle_t kvm_get_iommu_id_by_of(struct device_node *np);
 int pkvm_iommu_suspend(struct device *dev);
 int pkvm_iommu_resume(struct device *dev);
 
+int kvm_iommu_guest_alloc_mc(struct kvm_hyp_memcache *mc, u32 pgsize, u32 nr_pages);
+void kvm_iommu_guest_free_mc(struct kvm_hyp_memcache *mc);
+
 struct kvm_iommu_sg {
 	phys_addr_t phys;
 	size_t pgsize;
@@ -1760,4 +1768,13 @@ int kvm_iommu_device_id(struct device *dev, u32 idx,
 			pkvm_handle_t *out_iommu, u32 *out_sid);
 #define __KVM_HAVE_ARCH_ASSIGNED_DEVICE_GROUP
 
+static inline phys_addr_t kvm_host_pa(void *addr)
+{
+	return __pa(addr);
+}
+
+static inline void *kvm_host_va(phys_addr_t phys)
+{
+	return __va(phys);
+}
 #endif /* __ARM64_KVM_HOST_H__ */
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index 33b5e0bc32fa..f65e428c1223 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -388,6 +388,9 @@ static int handle_hyp_req_mem(struct kvm_vcpu *vcpu,
 		atomic64_add(nr_pages << PAGE_SHIFT, &kvm->stat.protected_hyp_mem);
 
 		return ret;
+	case REQ_MEM_DEST_HYP_IOMMU:
+		return kvm_iommu_guest_alloc_mc(&vcpu->arch.iommu_mc,
+						req->mem.sz_alloc, req->mem.nr_pages);
 	};
 
 	pr_warn("Unknown kvm_hyp_req mem dest: %d\n", req->mem.dest);
diff --git a/arch/arm64/kvm/iommu.c b/arch/arm64/kvm/iommu.c
index 18176d79c229..e018f5057923 100644
--- a/arch/arm64/kvm/iommu.c
+++ b/arch/arm64/kvm/iommu.c
@@ -142,3 +142,24 @@ int kvm_iommu_device_id(struct device *dev, u32 idx,
 	return -ENODEV;
 }
 EXPORT_SYMBOL_GPL(kvm_iommu_device_id);
+
+int kvm_iommu_guest_alloc_mc(struct kvm_hyp_memcache *mc, u32 pgsize, u32 nr_pages)
+{
+	u8 order = get_order(pgsize);
+
+	/* Driver might have dedicated allocator especially if it needs large pages. */
+	if (iommu_driver && iommu_driver->guest_alloc && iommu_driver->guest_free)
+		return __topup_hyp_memcache(mc, nr_pages, iommu_driver->guest_alloc,
+					    kvm_host_pa, 0, order);
+
+	return topup_hyp_memcache(mc, nr_pages, order);
+}
+
+void kvm_iommu_guest_free_mc(struct kvm_hyp_memcache *mc)
+{
+	if (iommu_driver && iommu_driver->guest_alloc && iommu_driver->guest_free)
+		__free_hyp_memcache(mc, iommu_driver->guest_free,
+				    kvm_host_va, 0);
+	else
+		free_hyp_memcache(mc);
+}
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 16a2776ecdfe..1c9fe0479bee 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -280,16 +280,6 @@ static int kvm_host_page_count(void *addr)
 	return page_count(virt_to_page(addr));
 }
 
-static phys_addr_t kvm_host_pa(void *addr)
-{
-	return __pa(addr);
-}
-
-static void *kvm_host_va(phys_addr_t phys)
-{
-	return __va(phys);
-}
-
 static void clean_dcache_guest_page(void *va, size_t size)
 {
 	__clean_dcache_guest_page(va, size);
diff --git a/arch/arm64/kvm/pkvm.c b/arch/arm64/kvm/pkvm.c
index d09d72d2ab4e..ead08452cd36 100644
--- a/arch/arm64/kvm/pkvm.c
+++ b/arch/arm64/kvm/pkvm.c
@@ -434,6 +434,8 @@ out_free:
 		kvm_unshare_hyp(hyp_reqs, hyp_reqs + 1);
 		host_vcpu->arch.hyp_reqs = NULL;
 		free_page((unsigned long)hyp_reqs);
+
+		kvm_iommu_guest_free_mc(&host_vcpu->arch.iommu_mc);
 	}
 }