diff --git a/drivers/soc/mediatek/virt/geniezone/gzvm.h b/drivers/soc/mediatek/virt/geniezone/gzvm.h
index b0edf56c2832..c79f84c17bb1 100644
--- a/drivers/soc/mediatek/virt/geniezone/gzvm.h
+++ b/drivers/soc/mediatek/virt/geniezone/gzvm.h
@@ -99,6 +99,14 @@ int gzvm_hypcall_wrapper(unsigned long a0, unsigned long a1, unsigned long a2,
 #define MT_HVC_GZVM_PROBE		GZVM_HCALL_ID(GZVM_FUNC_PROBE)
 #define MT_HVC_GZVM_ENABLE_CAP		GZVM_HCALL_ID(GZVM_FUNC_ENABLE_CAP)
 
+#define GZVM_USERSPACE_IRQ_SOURCE_ID		0
+#define GZVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID	1
+
+void gzvm_notify_acked_irq(struct gzvm *gzvm, unsigned int gsi);
+int gzvm_irqfd(struct gzvm *gzvm, struct gzvm_irqfd *args);
+int gzvm_irqfd_init(void);
+void gzvm_irqfd_exit(void);
+int gzvm_init_irqfd(struct gzvm *gzvm);
 int gzvm_init_ioeventfd(struct gzvm *gzvm);
 int gzvm_ioeventfd(struct gzvm *gzvm, struct gzvm_ioeventfd *args);
 bool gzvm_ioevent_write(struct gzvm_vcpu *vcpu, __u64 addr, int len,
diff --git a/drivers/soc/mediatek/virt/geniezone/gzvm_eventfd.c b/drivers/soc/mediatek/virt/geniezone/gzvm_eventfd.c
index 63f042fefbe5..d8eea6c1a2d6 100644
--- a/drivers/soc/mediatek/virt/geniezone/gzvm_eventfd.c
+++ b/drivers/soc/mediatek/virt/geniezone/gzvm_eventfd.c
@@ -12,6 +12,503 @@
 #include <linux/slab.h>
 #include "gzvm.h"
 
+struct gzvm_irq_ack_notifier {
+	struct hlist_node link;
+	unsigned int gsi;
+	void (*irq_acked)(struct gzvm_irq_ack_notifier *ian);
+};
+
+/*
+ * Resampling irqfds are a special variety of irqfds used to emulate
+ * level triggered interrupts.  The interrupt is asserted on eventfd
+ * trigger.  On acknowledgment through the irq ack notifier, the
+ * interrupt is de-asserted and userspace is notified through the
+ * resamplefd.  All resamplers on the same gsi are de-asserted
+ * together, so we don't need to track the state of each individual
+ * user.  We can also therefore share the same irq source ID.
+ */
+struct gzvm_kernel_irqfd_resampler {
+	struct gzvm *gzvm;
+	/*
+	 * List of resampling struct _irqfd objects sharing this gsi.
+	 * RCU list modified under gzvm->irqfds.resampler_lock
+	 */
+	struct list_head list;
+	struct gzvm_irq_ack_notifier notifier;
+	/*
+	 * Entry in list of gzvm->irqfd.resampler_list.  Use for sharing
+	 * resamplers among irqfds on the same gsi.
+	 * Accessed and modified under gzvm->irqfds.resampler_lock
+	 */
+	struct list_head link;
+};
+
+struct gzvm_kernel_irqfd {
+	struct gzvm *gzvm;
+	wait_queue_entry_t wait;
+	/* Used for level IRQ fast-path */
+	int gsi;
+	/* The resampler used by this irqfd (resampler-only) */
+	struct gzvm_kernel_irqfd_resampler *resampler;
+	/* Eventfd notified on resample (resampler-only) */
+	struct eventfd_ctx *resamplefd;
+	/* Entry in list of irqfds for a resampler (resampler-only) */
+	struct list_head resampler_link;
+	/* Used for setup/shutdown */
+	struct eventfd_ctx *eventfd;
+	struct list_head list;
+	poll_table pt;
+	struct work_struct shutdown;
+};
+
+static struct workqueue_struct *irqfd_cleanup_wq;
+
+/**
+ * @brief irqfd to inject virtual interrupt
+ * @param irq This is spi interrupt number (starts from 0 instead of 32)
+ */
+static void irqfd_set_spi(struct gzvm *gzvm, int irq_source_id, u32 irq,
+			  int level, bool line_status)
+{
+	if (level)
+		gzvm_vgic_inject_spi(gzvm, 0, irq, level);
+}
+
+/*
+ * Since resampler irqfds share an IRQ source ID, we de-assert once
+ * then notify all of the resampler irqfds using this GSI.  We can't
+ * do multiple de-asserts or we risk racing with incoming re-asserts.
+ */
+static void
+irqfd_resampler_ack(struct gzvm_irq_ack_notifier *ian)
+{
+	struct gzvm_kernel_irqfd_resampler *resampler;
+	struct gzvm *gzvm;
+	struct gzvm_kernel_irqfd *irqfd;
+	int idx;
+
+	resampler = container_of(ian,
+			struct gzvm_kernel_irqfd_resampler, notifier);
+	gzvm = resampler->gzvm;
+
+	irqfd_set_spi(gzvm, GZVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID,
+		      resampler->notifier.gsi, 0, false);
+
+	idx = srcu_read_lock(&gzvm->irq_srcu);
+
+	list_for_each_entry_srcu(irqfd, &resampler->list, resampler_link,
+	    srcu_read_lock_held(&gzvm->irq_srcu)) {
+		eventfd_signal(irqfd->resamplefd, 1);
+	}
+
+	srcu_read_unlock(&gzvm->irq_srcu, idx);
+}
+
+static void gzvm_register_irq_ack_notifier(struct gzvm *gzvm,
+					   struct gzvm_irq_ack_notifier *ian)
+{
+	mutex_lock(&gzvm->irq_lock);
+	hlist_add_head_rcu(&ian->link, &gzvm->irq_ack_notifier_list);
+	mutex_unlock(&gzvm->irq_lock);
+}
+
+static void gzvm_unregister_irq_ack_notifier(struct gzvm *gzvm,
+					     struct gzvm_irq_ack_notifier *ian)
+{
+	mutex_lock(&gzvm->irq_lock);
+	hlist_del_init_rcu(&ian->link);
+	mutex_unlock(&gzvm->irq_lock);
+	synchronize_srcu(&gzvm->irq_srcu);
+}
+
+static void
+irqfd_resampler_shutdown(struct gzvm_kernel_irqfd *irqfd)
+{
+	struct gzvm_kernel_irqfd_resampler *resampler = irqfd->resampler;
+	struct gzvm *gzvm = resampler->gzvm;
+
+	mutex_lock(&gzvm->irqfds.resampler_lock);
+
+	list_del_rcu(&irqfd->resampler_link);
+	synchronize_srcu(&gzvm->irq_srcu);
+
+	if (list_empty(&resampler->list)) {
+		list_del(&resampler->link);
+		gzvm_unregister_irq_ack_notifier(gzvm, &resampler->notifier);
+		irqfd_set_spi(gzvm, GZVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID,
+			      resampler->notifier.gsi, 0, false);
+		kfree(resampler);
+	}
+
+	mutex_unlock(&gzvm->irqfds.resampler_lock);
+}
+
+/*
+ * Race-free decouple logic (ordering is critical)
+ */
+static void
+irqfd_shutdown(struct work_struct *work)
+{
+	struct gzvm_kernel_irqfd *irqfd =
+		container_of(work, struct gzvm_kernel_irqfd, shutdown);
+	struct gzvm *gzvm = irqfd->gzvm;
+	u64 cnt;
+
+	/* Make sure irqfd has been initialized in assign path. */
+	synchronize_srcu(&gzvm->irq_srcu);
+
+	/*
+	 * Synchronize with the wait-queue and unhook ourselves to prevent
+	 * further events.
+	 */
+	eventfd_ctx_remove_wait_queue(irqfd->eventfd, &irqfd->wait, &cnt);
+
+	if (irqfd->resampler) {
+		irqfd_resampler_shutdown(irqfd);
+		eventfd_ctx_put(irqfd->resamplefd);
+	}
+
+	/*
+	 * It is now safe to release the object's resources
+	 */
+	eventfd_ctx_put(irqfd->eventfd);
+	kfree(irqfd);
+}
+
+
+/* assumes gzvm->irqfds.lock is held */
+static bool
+irqfd_is_active(struct gzvm_kernel_irqfd *irqfd)
+{
+	return list_empty(&irqfd->list) ? false : true;
+}
+
+/*
+ * Mark the irqfd as inactive and schedule it for removal
+ *
+ * assumes gzvm->irqfds.lock is held
+ */
+static void
+irqfd_deactivate(struct gzvm_kernel_irqfd *irqfd)
+{
+	if (!irqfd_is_active(irqfd))
+		return;
+
+	list_del_init(&irqfd->list);
+
+	queue_work(irqfd_cleanup_wq, &irqfd->shutdown);
+}
+
+/**
+ * @brief Wake up irqfd to do virtual interrupt injection
+ */
+static int
+irqfd_wakeup(wait_queue_entry_t *wait, unsigned int mode, int sync, void *key)
+{
+	struct gzvm_kernel_irqfd *irqfd =
+		container_of(wait, struct gzvm_kernel_irqfd, wait);
+	__poll_t flags = key_to_poll(key);
+	struct gzvm *gzvm = irqfd->gzvm;
+
+	if (flags & EPOLLIN) {
+		u64 cnt;
+
+		eventfd_ctx_do_read(irqfd->eventfd, &cnt);
+		/* gzvm's irq injection is not blocked, don't need workq */
+		irqfd_set_spi(gzvm, GZVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 1,
+			      false);
+	}
+
+	if (flags & EPOLLHUP) {
+		/* The eventfd is closing, detach from GZVM */
+		unsigned long iflags;
+
+		spin_lock_irqsave(&gzvm->irqfds.lock, iflags);
+
+		/*
+		 * Do more check if someone deactivated the irqfd before
+		 * we could acquire the irqfds.lock.
+		 */
+		if (irqfd_is_active(irqfd))
+			irqfd_deactivate(irqfd);
+
+		spin_unlock_irqrestore(&gzvm->irqfds.lock, iflags);
+	}
+
+	return 0;
+}
+
+static void
+irqfd_ptable_queue_proc(struct file *file, wait_queue_head_t *wqh,
+			poll_table *pt)
+{
+	struct gzvm_kernel_irqfd *irqfd =
+		container_of(pt, struct gzvm_kernel_irqfd, pt);
+	add_wait_queue_priority(wqh, &irqfd->wait);
+}
+
+static int
+gzvm_irqfd_assign(struct gzvm *gzvm, struct gzvm_irqfd *args)
+{
+	struct gzvm_kernel_irqfd *irqfd, *tmp;
+	struct fd f;
+	struct eventfd_ctx *eventfd = NULL, *resamplefd = NULL;
+	int ret;
+	__poll_t events;
+	int idx;
+
+	irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL_ACCOUNT);
+	if (!irqfd)
+		return -ENOMEM;
+
+	irqfd->gzvm = gzvm;
+	irqfd->gsi = args->gsi;
+	irqfd->resampler = NULL;
+	INIT_LIST_HEAD(&irqfd->list);
+	INIT_WORK(&irqfd->shutdown, irqfd_shutdown);
+
+	f = fdget(args->fd);
+	if (!f.file) {
+		ret = -EBADF;
+		goto out;
+	}
+
+	eventfd = eventfd_ctx_fileget(f.file);
+	if (IS_ERR(eventfd)) {
+		ret = PTR_ERR(eventfd);
+		goto fail;
+	}
+
+	irqfd->eventfd = eventfd;
+
+	if (args->flags & GZVM_IRQFD_FLAG_RESAMPLE) {
+		struct gzvm_kernel_irqfd_resampler *resampler;
+
+		resamplefd = eventfd_ctx_fdget(args->resamplefd);
+		if (IS_ERR(resamplefd)) {
+			ret = PTR_ERR(resamplefd);
+			goto fail;
+		}
+
+		irqfd->resamplefd = resamplefd;
+		INIT_LIST_HEAD(&irqfd->resampler_link);
+
+		mutex_lock(&gzvm->irqfds.resampler_lock);
+
+		list_for_each_entry(resampler,
+				    &gzvm->irqfds.resampler_list, link) {
+			if (resampler->notifier.gsi == irqfd->gsi) {
+				irqfd->resampler = resampler;
+				break;
+			}
+		}
+
+		if (!irqfd->resampler) {
+			resampler = kzalloc(sizeof(*resampler),
+					    GFP_KERNEL_ACCOUNT);
+			if (!resampler) {
+				ret = -ENOMEM;
+				mutex_unlock(&gzvm->irqfds.resampler_lock);
+				goto fail;
+			}
+
+			resampler->gzvm = gzvm;
+			INIT_LIST_HEAD(&resampler->list);
+			resampler->notifier.gsi = irqfd->gsi;
+			resampler->notifier.irq_acked = irqfd_resampler_ack;
+			INIT_LIST_HEAD(&resampler->link);
+
+			list_add(&resampler->link, &gzvm->irqfds.resampler_list);
+			gzvm_register_irq_ack_notifier(gzvm,
+						       &resampler->notifier);
+			irqfd->resampler = resampler;
+		}
+
+		list_add_rcu(&irqfd->resampler_link, &irqfd->resampler->list);
+		synchronize_srcu(&gzvm->irq_srcu);
+
+		mutex_unlock(&gzvm->irqfds.resampler_lock);
+	}
+
+	/*
+	 * Install our own custom wake-up handling so we are notified via
+	 * a callback whenever someone signals the underlying eventfd
+	 */
+	init_waitqueue_func_entry(&irqfd->wait, irqfd_wakeup);
+	init_poll_funcptr(&irqfd->pt, irqfd_ptable_queue_proc);
+
+	spin_lock_irq(&gzvm->irqfds.lock);
+
+	ret = 0;
+	list_for_each_entry(tmp, &gzvm->irqfds.items, list) {
+		if (irqfd->eventfd != tmp->eventfd)
+			continue;
+		/* This fd is used for another irq already. */
+		pr_err("already used: gsi=%d fd=%d\n", args->gsi, args->fd);
+		ret = -EBUSY;
+		spin_unlock_irq(&gzvm->irqfds.lock);
+		goto fail;
+	}
+
+	idx = srcu_read_lock(&gzvm->irq_srcu);
+
+	list_add_tail(&irqfd->list, &gzvm->irqfds.items);
+
+	spin_unlock_irq(&gzvm->irqfds.lock);
+
+	/*
+	 * Check if there was an event already pending on the eventfd
+	 * before we registered, and trigger it as if we didn't miss it.
+	 */
+	events = vfs_poll(f.file, &irqfd->pt);
+
+	/* In case there is already a pending event */
+	if (events & EPOLLIN)
+		irqfd_set_spi(gzvm, GZVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID,
+			      irqfd->gsi, 1, false);
+
+	srcu_read_unlock(&gzvm->irq_srcu, idx);
+
+	/*
+	 * do not drop the file until the irqfd is fully initialized, otherwise
+	 * we might race against the EPOLLHUP
+	 */
+	fdput(f);
+	return 0;
+
+fail:
+	if (irqfd->resampler)
+		irqfd_resampler_shutdown(irqfd);
+
+	if (resamplefd && !IS_ERR(resamplefd))
+		eventfd_ctx_put(resamplefd);
+
+	if (eventfd && !IS_ERR(eventfd))
+		eventfd_ctx_put(eventfd);
+
+	fdput(f);
+
+out:
+	kfree(irqfd);
+	return ret;
+}
+
+static void gzvm_notify_acked_gsi(struct gzvm *gzvm, int gsi)
+{
+	struct gzvm_irq_ack_notifier *gian;
+
+	hlist_for_each_entry_srcu(gian, &gzvm->irq_ack_notifier_list,
+				  link, srcu_read_lock_held(&gzvm->irq_srcu))
+		if (gian->gsi == gsi)
+			gian->irq_acked(gian);
+}
+
+void gzvm_notify_acked_irq(struct gzvm *gzvm, unsigned int gsi)
+{
+	int idx;
+
+	idx = srcu_read_lock(&gzvm->irq_srcu);
+	gzvm_notify_acked_gsi(gzvm, gsi);
+	srcu_read_unlock(&gzvm->irq_srcu, idx);
+}
+
+/*
+ * shutdown any irqfd's that match fd+gsi
+ */
+static int gzvm_irqfd_deassign(struct gzvm *gzvm, struct gzvm_irqfd *args)
+{
+	struct gzvm_kernel_irqfd *irqfd, *tmp;
+	struct eventfd_ctx *eventfd;
+
+	eventfd = eventfd_ctx_fdget(args->fd);
+	if (IS_ERR(eventfd))
+		return PTR_ERR(eventfd);
+
+	spin_lock_irq(&gzvm->irqfds.lock);
+
+	list_for_each_entry_safe(irqfd, tmp, &gzvm->irqfds.items, list) {
+		if (irqfd->eventfd == eventfd && irqfd->gsi == args->gsi)
+			irqfd_deactivate(irqfd);
+	}
+
+	spin_unlock_irq(&gzvm->irqfds.lock);
+	eventfd_ctx_put(eventfd);
+
+	/*
+	 * Block until we know all outstanding shutdown jobs have completed
+	 * so that we guarantee there will not be any more interrupts on this
+	 * gsi once this deassign function returns.
+	 */
+	flush_workqueue(irqfd_cleanup_wq);
+
+	return 0;
+}
+
+int gzvm_irqfd(struct gzvm *gzvm, struct gzvm_irqfd *args)
+{
+	if (args->flags &
+	    ~(GZVM_IRQFD_FLAG_DEASSIGN | GZVM_IRQFD_FLAG_RESAMPLE))
+		return -EINVAL;
+
+	if (args->flags & GZVM_IRQFD_FLAG_DEASSIGN)
+		return gzvm_irqfd_deassign(gzvm, args);
+
+	return gzvm_irqfd_assign(gzvm, args);
+}
+
+/*
+ * This function is called as the gzvm VM fd is being released. Shutdown all
+ * irqfds that still remain open
+ */
+void gzvm_irqfd_release(struct gzvm *gzvm)
+{
+	struct gzvm_kernel_irqfd *irqfd, *tmp;
+
+	spin_lock_irq(&gzvm->irqfds.lock);
+
+	list_for_each_entry_safe(irqfd, tmp, &gzvm->irqfds.items, list)
+		irqfd_deactivate(irqfd);
+
+	spin_unlock_irq(&gzvm->irqfds.lock);
+
+	/*
+	 * Block until we know all outstanding shutdown jobs have completed.
+	 */
+	flush_workqueue(irqfd_cleanup_wq);
+}
+
+/*
+ * create a host-wide workqueue for issuing deferred shutdown requests
+ * aggregated from all vm* instances. We need our own isolated
+ * queue to ease flushing work items when a VM exits.
+ */
+int gzvm_irqfd_init(void)
+{
+	irqfd_cleanup_wq = alloc_workqueue("gzvm-irqfd-cleanup", 0, 0);
+	if (!irqfd_cleanup_wq)
+		return -ENOMEM;
+
+	return 0;
+}
+
+void gzvm_irqfd_exit(void)
+{
+	destroy_workqueue(irqfd_cleanup_wq);
+}
+
+int gzvm_init_irqfd(struct gzvm *gzvm)
+{
+	spin_lock_init(&gzvm->irqfds.lock);
+	INIT_LIST_HEAD(&gzvm->irqfds.items);
+	INIT_LIST_HEAD(&gzvm->irqfds.resampler_list);
+	if (init_srcu_struct(&gzvm->irq_srcu))
+		return -EINVAL;
+	INIT_HLIST_HEAD(&gzvm->irq_ack_notifier_list);
+	mutex_init(&gzvm->irqfds.resampler_lock);
+
+	return 0;
+}
+
 struct gzvm_ioevent {
 	struct list_head list;
 	__u64 addr;
diff --git a/drivers/soc/mediatek/virt/geniezone/gzvm_irqchip.c b/drivers/soc/mediatek/virt/geniezone/gzvm_irqchip.c
index 7aa5868a221c..134fa5e5715e 100644
--- a/drivers/soc/mediatek/virt/geniezone/gzvm_irqchip.c
+++ b/drivers/soc/mediatek/virt/geniezone/gzvm_irqchip.c
@@ -8,6 +8,12 @@
 
 #include "gzvm.h"
 
+static bool lr_signals_eoi(uint64_t lr_val)
+{
+	return !(lr_val & ICH_LR_STATE) && (lr_val & ICH_LR_EOI) &&
+	       !(lr_val & ICH_LR_HW);
+}
+
 /**
  * @brief check all LRs synced from gz hypervisor
  * Traverse all LRs, see if any EOIed vint, notify_acked_irq if any.
@@ -20,10 +26,17 @@ void gzvm_sync_vgic_state(struct gzvm_vcpu *vcpu)
 	int i;
 
 	for (i = 0; i < vcpu->hwstate->nr_lrs; i++) {
+		uint32_t vintid;
 		uint64_t lr_val = vcpu->hwstate->lr[i];
 		/* 0 means unused */
 		if (!lr_val)
 			continue;
+
+		vintid = lr_val & ICH_LR_VIRTUAL_ID_MASK;
+		if (lr_signals_eoi(lr_val)) {
+			gzvm_notify_acked_irq(vcpu->gzvm,
+					      vintid - VGIC_NR_PRIVATE_IRQS);
+		}
 	}
 }
 
diff --git a/drivers/soc/mediatek/virt/geniezone/gzvm_vm.c b/drivers/soc/mediatek/virt/geniezone/gzvm_vm.c
index cceaa532c2ce..e4bea025e45e 100644
--- a/drivers/soc/mediatek/virt/geniezone/gzvm_vm.c
+++ b/drivers/soc/mediatek/virt/geniezone/gzvm_vm.c
@@ -386,6 +386,15 @@ static long gzvm_vm_ioctl(struct file *filp, unsigned int ioctl,
 		ret = gzvm_ioeventfd(gzvm, &data);
 		break;
 	}
+	case GZVM_IRQFD: {
+		struct gzvm_irqfd data;
+
+		ret = -EFAULT;
+		if (copy_from_user(&data, argp, sizeof(data)))
+			goto out;
+		ret = gzvm_irqfd(gzvm, &data);
+		break;
+	}
 	case GZVM_ENABLE_CAP: {
 		struct gzvm_enable_cap cap;
 
@@ -490,13 +499,20 @@ static struct gzvm *gzvm_create_vm(unsigned long vm_type)
 	mutex_init(&gzvm->lock);
 	INIT_LIST_HEAD(&gzvm->devices);
 	mutex_init(&gzvm->irq_lock);
+
 	ret = gzvm_init_ioeventfd(gzvm);
 	if (ret) {
 		pr_err("Failed to initialize ioeventfd\n");
 		goto err;
 	}
-	pr_info("VM-%u is created\n", gzvm->vm_id);
 
+	ret = gzvm_init_irqfd(gzvm);
+	if (ret) {
+		pr_err("Failed to initialize irqfd\n");
+		goto err;
+	}
+
+	pr_info("VM-%u is created\n", gzvm->vm_id);
 	mutex_lock(&gzvm_list_lock);
 	list_add(&gzvm->vm_list, &gzvm_list);
 	mutex_unlock(&gzvm_list_lock);
diff --git a/include/uapi/linux/gzvm_common.h b/include/uapi/linux/gzvm_common.h
index 6dbaddd77ec7..3af9d148042f 100644
--- a/include/uapi/linux/gzvm_common.h
+++ b/include/uapi/linux/gzvm_common.h
@@ -193,6 +193,24 @@ struct gzvm_irq_level {
 #define GZVM_IRQ_LINE              _IOW(GZVM_IOC_MAGIC,  0x61, \
 					struct gzvm_irq_level)
 
+#define GZVM_IRQFD_FLAG_DEASSIGN (1 << 0)
+/*
+ * GZVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
+ * the irqfd to operate in resampling mode for level triggered interrupt
+ * emulation.
+ */
+#define GZVM_IRQFD_FLAG_RESAMPLE (1 << 1)
+
+struct gzvm_irqfd {
+	__u32 fd;
+	__u32 gsi;
+	__u32 flags;
+	__u32 resamplefd;
+	__u8  pad[16];
+};
+#define GZVM_IRQFD                 _IOW(GZVM_IOC_MAGIC,  0x76, \
+					struct gzvm_irqfd)
+
 enum {
 	gzvm_ioeventfd_flag_nr_datamatch,
 	gzvm_ioeventfd_flag_nr_pio,
