diff options
Diffstat (limited to 'drivers/iommu/omap-iommu.h')
| -rw-r--r-- | drivers/iommu/omap-iommu.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu.h b/drivers/iommu/omap-iommu.h index 59628e5017b4..6e70515e6038 100644 --- a/drivers/iommu/omap-iommu.h +++ b/drivers/iommu/omap-iommu.h @@ -14,6 +14,7 @@ #define _OMAP_IOMMU_H #include <linux/bitops.h> +#include <linux/iommu.h> #define for_each_iotlb_cr(obj, n, __i, cr) \ for (__i = 0; \ @@ -27,6 +28,23 @@ struct iotlb_entry { u32 endian, elsz, mixed; }; +/** + * struct omap_iommu_domain - omap iommu domain + * @pgtable: the page table + * @iommu_dev: an omap iommu device attached to this domain. only a single + * iommu device can be attached for now. + * @dev: Device using this domain. + * @lock: domain lock, should be taken when attaching/detaching + * @domain: generic domain handle used by iommu core code + */ +struct omap_iommu_domain { + u32 *pgtable; + struct omap_iommu *iommu_dev; + struct device *dev; + spinlock_t lock; + struct iommu_domain domain; +}; + struct omap_iommu { const char *name; void __iomem *regbase; @@ -50,6 +68,22 @@ struct omap_iommu { int has_bus_err_back; u32 id; + + struct iommu_device iommu; + struct iommu_group *group; +}; + +/** + * struct omap_iommu_arch_data - omap iommu private data + * @iommu_dev: handle of the iommu device + * + * This is an omap iommu private data object, which binds an iommu user + * to its iommu device. This object should be placed at the iommu user's + * dev_archdata so generic IOMMU API can be used without having to + * utilize omap-specific plumbing anymore. + */ +struct omap_iommu_arch_data { + struct omap_iommu *iommu_dev; }; struct cr_regs { |