[Intel-wired-lan] [PATCH iwl-next V1 14/15] vfio: Expose vfio_device_has_container()

[Lingyu Liu <lingyu.liu@intel.com>]

From: Yahui Cao <yahui.cao@intel.com>

Expose vfio_device_has_container() to be used by drivers
to know what is the vfio uAPI probed by user application.

Next patch for ice vfio pci driver will use it.

Signed-off-by: Yahui Cao <yahui.cao@intel.com>
Signed-off-by: Lingyu Liu <lingyu.liu@intel.com>
---
 drivers/vfio/group.c | 1 +
 include/linux/vfio.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/vfio/group.c b/drivers/vfio/group.c
index fc75c1000d74..ae8f9ed4708a 100644
--- a/drivers/vfio/group.c
+++ b/drivers/vfio/group.c
@@ -744,6 +744,7 @@ bool vfio_device_has_container(struct vfio_device *device)
 {
 	return device->group->container;
 }
+EXPORT_SYMBOL_GPL(vfio_device_has_container);
 
 /**
  * vfio_file_iommu_group - Return the struct iommu_group for the vfio group file
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 2c137ea94a3e..ad8ed8fd8d56 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -253,6 +253,7 @@ bool vfio_file_is_group(struct file *file);
 bool vfio_file_enforced_coherent(struct file *file);
 void vfio_file_set_kvm(struct file *file, struct kvm *kvm);
 bool vfio_file_has_dev(struct file *file, struct vfio_device *device);
+bool vfio_device_has_container(struct vfio_device *device);
 
 #define VFIO_PIN_PAGES_MAX_ENTRIES	(PAGE_SIZE/sizeof(unsigned long))
 
-- 
2.25.1

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