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Commit 11e33955 authored by Sakari Ailus's avatar Sakari Ailus Committed by Greg Kroah-Hartman
Browse files

iommu: iova: Export symbols 



Use EXPORT_SYMBOL_GPL() to export the iova library symbols. The symbols
include:

	init_iova_domain();
	iova_cache_get();
	iova_cache_put();
	iova_cache_init();
	alloc_iova();
	find_iova();
	__free_iova();
	free_iova();
	put_iova_domain();
	reserve_iova();
	copy_reserved_iova();

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 09e8b485

drivers/iommu/iova.c

+10 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ init_iova_domain(struct iova_domain *iovad, unsigned long granule, 
	iovad->start_pfn = start_pfn;

	iovad->dma_32bit_pfn = pfn_32bit;

}

EXPORT_SYMBOL_GPL(init_iova_domain);



static struct rb_node *

__get_cached_rbnode(struct iova_domain *iovad, unsigned long *limit_pfn)
@@ -243,6 +244,7 @@ int iova_cache_get(void) 


	return 0;

}

EXPORT_SYMBOL_GPL(iova_cache_get);



void iova_cache_put(void)

{
@@ -256,6 +258,7 @@ void iova_cache_put(void) 
		kmem_cache_destroy(iova_cache);

	mutex_unlock(&iova_cache_mutex);

}

EXPORT_SYMBOL_GPL(iova_cache_put);



/**

 * alloc_iova - allocates an iova
@@ -296,6 +299,7 @@ alloc_iova(struct iova_domain *iovad, unsigned long size, 


	return new_iova;

}

EXPORT_SYMBOL_GPL(alloc_iova);



/**

 * find_iova - find's an iova for a given pfn
@@ -336,6 +340,7 @@ struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn) 
	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);

	return NULL;

}

EXPORT_SYMBOL_GPL(find_iova);



/**

 * __free_iova - frees the given iova
@@ -354,6 +359,7 @@ __free_iova(struct iova_domain *iovad, struct iova *iova) 
	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);

	free_iova_mem(iova);

}

EXPORT_SYMBOL_GPL(__free_iova);



/**

 * free_iova - finds and frees the iova for a given pfn
@@ -371,6 +377,7 @@ free_iova(struct iova_domain *iovad, unsigned long pfn) 
		__free_iova(iovad, iova);



}

EXPORT_SYMBOL_GPL(free_iova);



/**

 * put_iova_domain - destroys the iova doamin
@@ -393,6 +400,7 @@ void put_iova_domain(struct iova_domain *iovad) 
	}

	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);

}

EXPORT_SYMBOL_GPL(put_iova_domain);



static int

__is_range_overlap(struct rb_node *node,
@@ -482,6 +490,7 @@ reserve_iova(struct iova_domain *iovad, 
	spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);

	return iova;

}

EXPORT_SYMBOL_GPL(reserve_iova);



/**

 * copy_reserved_iova - copies the reserved between domains
@@ -508,6 +517,7 @@ copy_reserved_iova(struct iova_domain *from, struct iova_domain *to) 
	}

	spin_unlock_irqrestore(&from->iova_rbtree_lock, flags);

}

EXPORT_SYMBOL_GPL(copy_reserved_iova);



struct iova *

split_and_remove_iova(struct iova_domain *iovad, struct iova *iova,