From 2b20cbba3390a55c511acba2f0f517dd27a528b2 Mon Sep 17 00:00:00 2001 From: Eric Auger Date: Thu, 19 Jan 2017 20:57:49 +0000 Subject: iommu: iommu_alloc_resv_region Introduce a new helper serving the purpose to allocate a reserved region. This will be used in iommu driver implementing reserved region callbacks. Signed-off-by: Eric Auger Reviewed-by: Tomasz Nowicki Tested-by: Tomasz Nowicki Tested-by: Bharat Bhushan Signed-off-by: Will Deacon --- include/linux/iommu.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/iommu.h') diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 233a6bf093bf..f6bb55d3e606 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -244,6 +244,8 @@ extern void iommu_set_fault_handler(struct iommu_domain *domain, extern void iommu_get_resv_regions(struct device *dev, struct list_head *list); extern void iommu_put_resv_regions(struct device *dev, struct list_head *list); extern int iommu_request_dm_for_dev(struct device *dev); +extern struct iommu_resv_region * +iommu_alloc_resv_region(phys_addr_t start, size_t length, int prot, int type); extern int iommu_attach_group(struct iommu_domain *domain, struct iommu_group *group); -- cgit v1.2.3