12 void vfio_init_device_cdev(struct vfio_device *device)  in vfio_init_device_cdev()  argument
14 	device->device.devt = MKDEV(MAJOR(device_devt), device->index);  in vfio_init_device_cdev()
15 	cdev_init(&device->cdev, &vfio_device_fops);  in vfio_init_device_cdev()
16 	device->cdev.owner = THIS_MODULE;  in vfio_init_device_cdev()
20  * device access via the fd opened by this function is blocked until
25 	struct vfio_device *device = container_of(inode->i_cdev,  in vfio_device_fops_cdev_open()  local
31 	if (!vfio_device_try_get_registration(device))  in vfio_device_fops_cdev_open()
34 	df = vfio_allocate_device_file(device);  in vfio_device_fops_cdev_open()
43 	 * Use the pseudo fs inode on the device to link all mmaps  in vfio_device_fops_cdev_open()
45 	 * associated to this device using unmap_mapping_range().  in vfio_device_fops_cdev_open()
47 	filep->f_mapping = device->inode->i_mapping;  in vfio_device_fops_cdev_open()
52 	vfio_device_put_registration(device);  in vfio_device_fops_cdev_open()
59 	vfio_device_get_kvm_safe(df->device, df->kvm);  in vfio_df_get_kvm_safe()
66 	struct vfio_device *device = df->device;  in vfio_df_ioctl_bind_iommufd()  local
85 	ret = vfio_device_block_group(device);  in vfio_df_ioctl_bind_iommufd()
89 	mutex_lock(&device->dev_set->lock);  in vfio_df_ioctl_bind_iommufd()
90 	/* one device cannot be bound twice */  in vfio_df_ioctl_bind_iommufd()
104 	 * Before the device open, get the KVM pointer currently  in vfio_df_ioctl_bind_iommufd()
105 	 * associated with the device file (if there is) and obtain  in vfio_df_ioctl_bind_iommufd()
106 	 * a reference.  This reference is held until device closed.  in vfio_df_ioctl_bind_iommufd()
107 	 * Save the pointer in the device for use by drivers.  in vfio_df_ioctl_bind_iommufd()
120 	device->cdev_opened = true;  in vfio_df_ioctl_bind_iommufd()
126 	mutex_unlock(&device->dev_set->lock);  in vfio_df_ioctl_bind_iommufd()
132 	vfio_device_put_kvm(device);  in vfio_df_ioctl_bind_iommufd()
136 	mutex_unlock(&device->dev_set->lock);  in vfio_df_ioctl_bind_iommufd()
137 	vfio_device_unblock_group(device);  in vfio_df_ioctl_bind_iommufd()
143 	struct vfio_device *device = df->device;  in vfio_df_unbind_iommufd()  local
153 	mutex_lock(&device->dev_set->lock);  in vfio_df_unbind_iommufd()
155 	vfio_device_put_kvm(device);  in vfio_df_unbind_iommufd()
157 	device->cdev_opened = false;  in vfio_df_unbind_iommufd()
158 	mutex_unlock(&device->dev_set->lock);  in vfio_df_unbind_iommufd()
159 	vfio_device_unblock_group(device);  in vfio_df_unbind_iommufd()
165 	struct vfio_device *device = df->device;  in vfio_df_ioctl_attach_pt()  local
178 	mutex_lock(&device->dev_set->lock);  in vfio_df_ioctl_attach_pt()
179 	ret = device->ops->attach_ioas(device, &attach.pt_id);  in vfio_df_ioctl_attach_pt()
187 	mutex_unlock(&device->dev_set->lock);  in vfio_df_ioctl_attach_pt()
192 	device->ops->detach_ioas(device);  in vfio_df_ioctl_attach_pt()
194 	mutex_unlock(&device->dev_set->lock);  in vfio_df_ioctl_attach_pt()
201 	struct vfio_device *device = df->device;  in vfio_df_ioctl_detach_pt()  local
213 	mutex_lock(&device->dev_set->lock);  in vfio_df_ioctl_detach_pt()
214 	device->ops->detach_ioas(device);  in vfio_df_ioctl_detach_pt()
215 	mutex_unlock(&device->dev_set->lock);  in vfio_df_ioctl_detach_pt()
220 static char *vfio_device_devnode(const struct device *dev, umode_t *mode)  in vfio_device_devnode()