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| author | Jiang Liu <jiang.liu@linux.intel.com> | 2014-02-19 14:07:37 +0800 |
|---|---|---|
| committer | Joerg Roedel <joro@8bytes.org> | 2014-03-04 17:51:06 +0100 |
| commit | 75f05569d0e51f6332a291c82abbeb7c8262e32d (patch) | |
| tree | 24eeca4b270e4f0c3ca857c1993b109e685f1588 /include/linux/iova.h | |
| parent | 2e45528930388658603ea24d49cf52867b928d3e (diff) | |
| download | lwn-75f05569d0e51f6332a291c82abbeb7c8262e32d.tar.gz lwn-75f05569d0e51f6332a291c82abbeb7c8262e32d.zip | |
iommu/vt-d: Update IOMMU state when memory hotplug happens
If static identity domain is created, IOMMU driver needs to update
si_domain page table when memory hotplug event happens. Otherwise
PCI device DMA operations can't access the hot-added memory regions.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'include/linux/iova.h')
| -rw-r--r-- | include/linux/iova.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/iova.h b/include/linux/iova.h index 76a0759e88ec..3277f4711349 100644 --- a/include/linux/iova.h +++ b/include/linux/iova.h @@ -47,5 +47,7 @@ void copy_reserved_iova(struct iova_domain *from, struct iova_domain *to); void init_iova_domain(struct iova_domain *iovad, unsigned long pfn_32bit); struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn); void put_iova_domain(struct iova_domain *iovad); +struct iova *split_and_remove_iova(struct iova_domain *iovad, + struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi); #endif |