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author | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-30 02:52:57 +0300 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-30 02:52:57 +0300 |
commit | 9044adca782c065de182d28876808446b3a8ccde (patch) | |
tree | f23ccbcfa9d5b0a886e65e4a3d8a146f86dea15b /arch/powerpc/include/asm/iommu.h | |
parent | 07aa1e786d4fc93cf646797ce045510dd5e982ee (diff) | |
parent | 68e0aa8ec5cedec48dd5b11df84afc956c8f85be (diff) | |
download | linux-9044adca782c065de182d28876808446b3a8ccde.tar.xz |
Merge branch 'topic/ppc-kvm' into next
Merge our ppc-kvm topic branch to bring in the Ultravisor support
patches.
Diffstat (limited to 'arch/powerpc/include/asm/iommu.h')
-rw-r--r-- | arch/powerpc/include/asm/iommu.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index d7bf1f104c15..350101e11ddb 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -48,15 +48,16 @@ struct iommu_table_ops { * returns old TCE and DMA direction mask. * @tce is a physical address. */ - int (*exchange)(struct iommu_table *tbl, + int (*xchg_no_kill)(struct iommu_table *tbl, long index, unsigned long *hpa, - enum dma_data_direction *direction); - /* Real mode */ - int (*exchange_rm)(struct iommu_table *tbl, - long index, - unsigned long *hpa, - enum dma_data_direction *direction); + enum dma_data_direction *direction, + bool realmode); + + void (*tce_kill)(struct iommu_table *tbl, + unsigned long index, + unsigned long pages, + bool realmode); __be64 *(*useraddrptr)(struct iommu_table *tbl, long index, bool alloc); #endif @@ -209,6 +210,12 @@ extern void iommu_del_device(struct device *dev); extern long iommu_tce_xchg(struct mm_struct *mm, struct iommu_table *tbl, unsigned long entry, unsigned long *hpa, enum dma_data_direction *direction); +extern long iommu_tce_xchg_no_kill(struct mm_struct *mm, + struct iommu_table *tbl, + unsigned long entry, unsigned long *hpa, + enum dma_data_direction *direction); +extern void iommu_tce_kill(struct iommu_table *tbl, + unsigned long entry, unsigned long pages); #else static inline void iommu_register_group(struct iommu_table_group *table_group, int pci_domain_number, |