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| author | James Morris <james.l.morris@oracle.com> | 2014-01-06 15:23:01 +0400 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-01-06 15:23:01 +0400 |
| commit | 38fd2c202a3d82bc12430bce5789fa2c2a406f71 (patch) | |
| tree | a73513dbb015155f5236b391709b9083916b3136 /arch/arm64/include/asm/dma-mapping.h | |
| parent | dcf4e392867bf98d50ad108ed7c2bfb941e8c33d (diff) | |
| parent | d6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff) | |
| download | linux-38fd2c202a3d82bc12430bce5789fa2c2a406f71.tar.xz | |
Merge to v3.13-rc7 for prerequisite changes in the Xen code for TPM
Diffstat (limited to 'arch/arm64/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/arm64/include/asm/dma-mapping.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h index 8d1810001aef..fd0c0c0e447a 100644 --- a/arch/arm64/include/asm/dma-mapping.h +++ b/arch/arm64/include/asm/dma-mapping.h @@ -23,11 +23,15 @@ #include <asm-generic/dma-coherent.h> +#include <xen/xen.h> +#include <asm/xen/hypervisor.h> + #define ARCH_HAS_DMA_GET_REQUIRED_MASK +#define DMA_ERROR_CODE (~(dma_addr_t)0) extern struct dma_map_ops *dma_ops; -static inline struct dma_map_ops *get_dma_ops(struct device *dev) +static inline struct dma_map_ops *__generic_dma_ops(struct device *dev) { if (unlikely(!dev) || !dev->archdata.dma_ops) return dma_ops; @@ -35,6 +39,14 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) return dev->archdata.dma_ops; } +static inline struct dma_map_ops *get_dma_ops(struct device *dev) +{ + if (xen_initial_domain()) + return xen_dma_ops; + else + return __generic_dma_ops(dev); +} + #include <asm-generic/dma-mapping-common.h> static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) |