diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/dmm_user.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/dmm_user.h | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/arch/arm/plat-omap/include/plat/dmm_user.h b/arch/arm/plat-omap/include/plat/dmm_user.h index b02d82d29e4a..c231314810ec 100644 --- a/arch/arm/plat-omap/include/plat/dmm_user.h +++ b/arch/arm/plat-omap/include/plat/dmm_user.h @@ -53,12 +53,8 @@ struct iovmm_pool_info { /* used to cache dma mapping information */ struct device_dma_map_info { - /* direction of DMA in action, or DMA_NONE */ - enum dma_data_direction dir; /* number of elements requested by us */ int num_pages; - /* number of elements returned from dma_map_sg */ - int sg_num; /* list of buffers used in this DMA action */ struct scatterlist *sg; }; @@ -68,7 +64,7 @@ struct dmm_map_info { u32 *da; u32 num_of_buf; u32 size; - u32 mem_pool_id; + u32 pool_id; u32 flags; }; @@ -100,22 +96,31 @@ struct iovmm_device { struct iommu *iommu; const char *name; /* List of memory pool it manages */ - struct list_head mmap_pool; + struct list_head mmap_pool; struct mutex dmm_map_lock; int minor; struct cdev cdev; + int refcount; }; /* user dmm functions */ -int dmm_user(struct iodmm_struct *obj, u32 pool_id, u32 *da, - u32 va, size_t bytes, u32 flags); +int dmm_user(struct iodmm_struct *obj, void __user *args); + void user_remove_resources(struct iodmm_struct *obj); -int user_un_map(struct iodmm_struct *obj, u32 map_addr); -int proc_begin_dma(struct iodmm_struct *obj, void *pva, u32 ul_size, - enum dma_data_direction dir); -int proc_end_dma(struct iodmm_struct *obj, void *pva, u32 ul_size, - enum dma_data_direction dir); -int omap_create_dmm_pool(struct iodmm_struct *obj, int pool_id, int size, - int sa); -int omap_delete_dmm_pool(struct iodmm_struct *obj, int pool_id); + +int user_un_map(struct iodmm_struct *obj, const void __user *args); + +int proc_begin_dma(struct iodmm_struct *obj, const void __user *args); + +int proc_end_dma(struct iodmm_struct *obj, const void __user *args); + +int omap_create_dmm_pool(struct iodmm_struct *obj, const void __user *args); + +int omap_delete_dmm_pools(struct iodmm_struct *obj); + +int program_tlb_entry(struct iodmm_struct *obj, const void __user *args); + +int register_mmufault(struct iodmm_struct *obj, const void __user *args); + +int unregister_mmufault(struct iodmm_struct *obj, const void __user *args); #endif |