diff options
Diffstat (limited to 'drivers/iommu/iova.c')
| -rw-r--r-- | drivers/iommu/iova.c | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index 4bb3293ae4d7..e6e2fa85271c 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -55,7 +55,7 @@ init_iova_domain(struct iova_domain *iovad, unsigned long granule, } EXPORT_SYMBOL_GPL(init_iova_domain); -bool has_iova_flush_queue(struct iova_domain *iovad) +static bool has_iova_flush_queue(struct iova_domain *iovad) { return !!iovad->fq; } @@ -112,7 +112,6 @@ int init_iova_flush_queue(struct iova_domain *iovad, return 0; } -EXPORT_SYMBOL_GPL(init_iova_flush_queue); static struct rb_node * __get_cached_rbnode(struct iova_domain *iovad, unsigned long limit_pfn) @@ -358,7 +357,7 @@ static void private_free_iova(struct iova_domain *iovad, struct iova *iova) * @iovad: - iova domain in question. * @pfn: - page frame number * This function finds and returns an iova belonging to the - * given doamin which matches the given pfn. + * given domain which matches the given pfn. */ struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn) { @@ -451,7 +450,6 @@ retry: return new_iova->pfn_lo; } -EXPORT_SYMBOL_GPL(alloc_iova_fast); /** * free_iova_fast - free iova pfn range into rcache @@ -598,10 +596,9 @@ void queue_iova(struct iova_domain *iovad, mod_timer(&iovad->fq_timer, jiffies + msecs_to_jiffies(IOVA_FQ_TIMEOUT)); } -EXPORT_SYMBOL_GPL(queue_iova); /** - * put_iova_domain - destroys the iova doamin + * put_iova_domain - destroys the iova domain * @iovad: - iova domain in question. * All the iova's in that domain are destroyed. */ @@ -710,36 +707,6 @@ finish: } EXPORT_SYMBOL_GPL(reserve_iova); -/** - * copy_reserved_iova - copies the reserved between domains - * @from: - source doamin from where to copy - * @to: - destination domin where to copy - * This function copies reserved iova's from one doamin to - * other. - */ -void -copy_reserved_iova(struct iova_domain *from, struct iova_domain *to) -{ - unsigned long flags; - struct rb_node *node; - - spin_lock_irqsave(&from->iova_rbtree_lock, flags); - for (node = rb_first(&from->rbroot); node; node = rb_next(node)) { - struct iova *iova = rb_entry(node, struct iova, node); - struct iova *new_iova; - - if (iova->pfn_lo == IOVA_ANCHOR) - continue; - - new_iova = reserve_iova(to, iova->pfn_lo, iova->pfn_hi); - if (!new_iova) - pr_err("Reserve iova range %lx@%lx failed\n", - iova->pfn_lo, iova->pfn_lo); - } - spin_unlock_irqrestore(&from->iova_rbtree_lock, flags); -} -EXPORT_SYMBOL_GPL(copy_reserved_iova); - /* * Magazine caches for IOVA ranges. For an introduction to magazines, * see the USENIX 2001 paper "Magazines and Vmem: Extending the Slab |