diff options
| author | Hiroshi Doyu <hdoyu@nvidia.com> | 2013-04-03 15:50:44 +0300 |
|---|---|---|
| committer | Harshada Kale <hkale@nvidia.com> | 2013-06-10 03:51:05 -0700 |
| commit | 2fa899cea85450ffda872115c5c931089bd1d14f (patch) | |
| tree | 803052bc1bd78b5124c2ec637b9b8b1330f1dc05 | |
| parent | 0774cef9ef1f7aef2a97369a28687b1bedd6d50f (diff) | |
iommu/core: Add new API iommu_map_pages()
Add new API iommu_map_pages() to call iommu_ops->map_pages()
internally.
bug 1286500
Change-Id: I37605703def34bba774e480b29506c459d6391bd
(cherry picked from commit 11ed57ffcbd908e12c1fd836211beed4fc577833)
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reviewed-on: http://git-master/r/234131
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
| -rw-r--r-- | drivers/iommu/iommu.c | 7 | ||||
| -rw-r--r-- | include/linux/iommu.h | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 2198b2dbbcd3..155563579f19 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -286,6 +286,13 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova, } EXPORT_SYMBOL_GPL(iommu_map); +int iommu_map_pages(struct iommu_domain *domain, unsigned long iova, + struct page **pages, size_t count, int prot) +{ + return domain->ops->map_pages(domain, iova, pages, count, prot); +} +EXPORT_SYMBOL_GPL(iommu_map_pages); + size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) { size_t unmapped_page, unmapped = 0; diff --git a/include/linux/iommu.h b/include/linux/iommu.h index d937580417ba..79a21e2f03b6 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -68,6 +68,8 @@ struct iommu_ops { void (*detach_dev)(struct iommu_domain *domain, struct device *dev); int (*map)(struct iommu_domain *domain, unsigned long iova, phys_addr_t paddr, size_t size, int prot); + int (*map_pages)(struct iommu_domain *domain, unsigned long iova, + struct page **pages, size_t count, int prot); size_t (*unmap)(struct iommu_domain *domain, unsigned long iova, size_t size); phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, @@ -88,6 +90,8 @@ extern void iommu_detach_device(struct iommu_domain *domain, struct device *dev); extern int iommu_map(struct iommu_domain *domain, unsigned long iova, phys_addr_t paddr, size_t size, int prot); +extern int iommu_map_pages(struct iommu_domain *domain, unsigned long iova, + struct page **pages, size_t count, int prot); extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size); extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, |