diff options
Diffstat (limited to 'drivers/iommu/dma-iommu.h')
| -rw-r--r-- | drivers/iommu/dma-iommu.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/iommu/dma-iommu.h b/drivers/iommu/dma-iommu.h index c829f1f82a99..eca201c1f963 100644 --- a/drivers/iommu/dma-iommu.h +++ b/drivers/iommu/dma-iommu.h @@ -9,21 +9,27 @@ #ifdef CONFIG_IOMMU_DMA +void iommu_setup_dma_ops(struct device *dev); + int iommu_get_dma_cookie(struct iommu_domain *domain); void iommu_put_dma_cookie(struct iommu_domain *domain); +void iommu_put_msi_cookie(struct iommu_domain *domain); int iommu_dma_init_fq(struct iommu_domain *domain); void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list); +int iommu_dma_sw_msi(struct iommu_domain *domain, struct msi_desc *desc, + phys_addr_t msi_addr); + extern bool iommu_dma_forcedac; -static inline void iommu_dma_set_pci_32bit_workaround(struct device *dev) -{ - dev->iommu->pci_32bit_workaround = !iommu_dma_forcedac; -} #else /* CONFIG_IOMMU_DMA */ +static inline void iommu_setup_dma_ops(struct device *dev) +{ +} + static inline int iommu_dma_init_fq(struct iommu_domain *domain) { return -EINVAL; @@ -38,12 +44,18 @@ static inline void iommu_put_dma_cookie(struct iommu_domain *domain) { } +static inline void iommu_put_msi_cookie(struct iommu_domain *domain) +{ +} + static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list) { } -static inline void iommu_dma_set_pci_32bit_workaround(struct device *dev) +static inline int iommu_dma_sw_msi(struct iommu_domain *domain, + struct msi_desc *desc, phys_addr_t msi_addr) { + return -ENODEV; } #endif /* CONFIG_IOMMU_DMA */ |