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drivers/iommu: Export core IOMMU API symbols to permit modular drivers
Building IOMMU drivers as modules requires that the core IOMMU API symbols are exported as GPL symbols. Signed-off-by: Will Deacon <will@kernel.org> Tested-by: John Garry <john.garry@huawei.com> # smmu v3 Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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2 changed files with 13 additions and 0 deletions
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@ -87,6 +87,7 @@ int iommu_device_sysfs_add(struct iommu_device *iommu,
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put_device(iommu->dev);
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put_device(iommu->dev);
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return ret;
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return ret;
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}
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}
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EXPORT_SYMBOL_GPL(iommu_device_sysfs_add);
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void iommu_device_sysfs_remove(struct iommu_device *iommu)
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void iommu_device_sysfs_remove(struct iommu_device *iommu)
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{
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{
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@ -94,6 +95,8 @@ void iommu_device_sysfs_remove(struct iommu_device *iommu)
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device_unregister(iommu->dev);
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device_unregister(iommu->dev);
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iommu->dev = NULL;
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iommu->dev = NULL;
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}
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}
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EXPORT_SYMBOL_GPL(iommu_device_sysfs_remove);
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/*
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/*
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* IOMMU drivers can indicate a device is managed by a given IOMMU using
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* IOMMU drivers can indicate a device is managed by a given IOMMU using
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* this interface. A link to the device will be created in the "devices"
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* this interface. A link to the device will be created in the "devices"
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@ -119,6 +122,7 @@ int iommu_device_link(struct iommu_device *iommu, struct device *link)
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return ret;
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return ret;
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}
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}
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EXPORT_SYMBOL_GPL(iommu_device_link);
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void iommu_device_unlink(struct iommu_device *iommu, struct device *link)
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void iommu_device_unlink(struct iommu_device *iommu, struct device *link)
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{
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{
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@ -128,3 +132,4 @@ void iommu_device_unlink(struct iommu_device *iommu, struct device *link)
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sysfs_remove_link(&link->kobj, "iommu");
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sysfs_remove_link(&link->kobj, "iommu");
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sysfs_remove_link_from_group(&iommu->dev->kobj, "devices", dev_name(link));
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sysfs_remove_link_from_group(&iommu->dev->kobj, "devices", dev_name(link));
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}
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}
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EXPORT_SYMBOL_GPL(iommu_device_unlink);
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@ -141,6 +141,7 @@ int iommu_device_register(struct iommu_device *iommu)
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spin_unlock(&iommu_device_lock);
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spin_unlock(&iommu_device_lock);
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return 0;
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return 0;
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}
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}
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EXPORT_SYMBOL_GPL(iommu_device_register);
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void iommu_device_unregister(struct iommu_device *iommu)
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void iommu_device_unregister(struct iommu_device *iommu)
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{
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{
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@ -148,6 +149,7 @@ void iommu_device_unregister(struct iommu_device *iommu)
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list_del(&iommu->list);
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list_del(&iommu->list);
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spin_unlock(&iommu_device_lock);
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spin_unlock(&iommu_device_lock);
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}
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}
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EXPORT_SYMBOL_GPL(iommu_device_unregister);
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static struct iommu_param *iommu_get_dev_param(struct device *dev)
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static struct iommu_param *iommu_get_dev_param(struct device *dev)
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{
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{
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@ -886,6 +888,7 @@ struct iommu_group *iommu_group_ref_get(struct iommu_group *group)
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kobject_get(group->devices_kobj);
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kobject_get(group->devices_kobj);
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return group;
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return group;
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}
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}
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EXPORT_SYMBOL_GPL(iommu_group_ref_get);
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/**
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/**
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* iommu_group_put - Decrement group reference
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* iommu_group_put - Decrement group reference
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@ -1259,6 +1262,7 @@ struct iommu_group *generic_device_group(struct device *dev)
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{
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{
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return iommu_group_alloc();
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return iommu_group_alloc();
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}
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}
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EXPORT_SYMBOL_GPL(generic_device_group);
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/*
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/*
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* Use standard PCI bus topology, isolation features, and DMA alias quirks
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* Use standard PCI bus topology, isolation features, and DMA alias quirks
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@ -1326,6 +1330,7 @@ struct iommu_group *pci_device_group(struct device *dev)
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/* No shared group found, allocate new */
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/* No shared group found, allocate new */
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return iommu_group_alloc();
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return iommu_group_alloc();
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}
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}
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EXPORT_SYMBOL_GPL(pci_device_group);
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/* Get the IOMMU group for device on fsl-mc bus */
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/* Get the IOMMU group for device on fsl-mc bus */
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struct iommu_group *fsl_mc_device_group(struct device *dev)
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struct iommu_group *fsl_mc_device_group(struct device *dev)
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@ -1338,6 +1343,7 @@ struct iommu_group *fsl_mc_device_group(struct device *dev)
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group = iommu_group_alloc();
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group = iommu_group_alloc();
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return group;
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return group;
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}
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}
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EXPORT_SYMBOL_GPL(fsl_mc_device_group);
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/**
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/**
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* iommu_group_get_for_dev - Find or create the IOMMU group for a device
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* iommu_group_get_for_dev - Find or create the IOMMU group for a device
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@ -1406,6 +1412,7 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev)
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return group;
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return group;
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}
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}
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EXPORT_SYMBOL(iommu_group_get_for_dev);
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struct iommu_domain *iommu_group_default_domain(struct iommu_group *group)
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struct iommu_domain *iommu_group_default_domain(struct iommu_group *group)
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{
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{
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@ -2246,6 +2253,7 @@ struct iommu_resv_region *iommu_alloc_resv_region(phys_addr_t start,
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region->type = type;
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region->type = type;
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return region;
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return region;
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}
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}
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EXPORT_SYMBOL_GPL(iommu_alloc_resv_region);
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static int
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static int
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request_default_domain_for_dev(struct device *dev, unsigned long type)
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request_default_domain_for_dev(struct device *dev, unsigned long type)
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