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| author | Ohad Ben-Cohen <ohad@wizery.com> | 2011-11-10 11:32:25 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-11-10 11:40:37 +0100 |
| commit | 5009065d38c95455bd2d27c2838313e3dd0c5bc7 (patch) | |
| tree | a957af07e95166bcc014b3f333234fe74cef790e /include/linux/iommu.h | |
| parent | 1ea6b8f48918282bdca0b32a34095504ee65bab5 (diff) | |
| download | op-kernel-dev-5009065d38c95455bd2d27c2838313e3dd0c5bc7.zip op-kernel-dev-5009065d38c95455bd2d27c2838313e3dd0c5bc7.tar.gz | |
iommu/core: stop converting bytes to page order back and forth
Express sizes in bytes rather than in page order, to eliminate the
size->order->size conversions we have whenever the IOMMU API is calling
the low level drivers' map/unmap methods.
Adopt all existing drivers.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: David Brown <davidb@codeaurora.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Joerg Roedel <Joerg.Roedel@amd.com>
Cc: Stepan Moskovchenko <stepanm@codeaurora.org>
Cc: KyongHo Cho <pullip.cho@samsung.com>
Cc: Hiroshi DOYU <hdoyu@nvidia.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 432acc4..d5ebf3f 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -54,9 +54,9 @@ struct iommu_ops { int (*attach_dev)(struct iommu_domain *domain, struct device *dev); void (*detach_dev)(struct iommu_domain *domain, struct device *dev); int (*map)(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, int gfp_order, int prot); - int (*unmap)(struct iommu_domain *domain, unsigned long iova, - int gfp_order); + phys_addr_t paddr, size_t size, 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, unsigned long iova); int (*domain_has_cap)(struct iommu_domain *domain, |
