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iommu: iova: Export symbols

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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: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Sakari Ailus 2015-07-13 14:31:29 +03:00 committed by David Woodhouse
parent ae1ff3d623
commit 9b41760b03
1 changed files with 10 additions and 0 deletions
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10
drivers/iommu/iova.c
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@ -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)
@ -238,6 +239,7 @@ int iova_cache_get(void)
return 0;
}
EXPORT_SYMBOL_GPL(iova_cache_get);
void iova_cache_put(void)
{
@ -251,6 +253,7 @@ 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
@ -285,6 +288,7 @@ 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
@ -325,6 +329,7 @@ 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
@ -343,6 +348,7 @@ __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
@ -360,6 +366,7 @@ 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
@ -382,6 +389,7 @@ 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,
@ -471,6 +479,7 @@ finish:
spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
return iova;
}
EXPORT_SYMBOL_GPL(reserve_iova);
/**
* copy_reserved_iova - copies the reserved between domains
@ -497,6 +506,7 @@ 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,