diff options
Diffstat (limited to 'include/linux/swiotlb.h')
| -rw-r--r-- | include/linux/swiotlb.h | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 7ed35dd3de6e..35bc4e281c21 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -60,7 +60,6 @@ dma_addr_t swiotlb_map(struct device *dev, phys_addr_t phys, size_t size, enum dma_data_direction dir, unsigned long attrs); #ifdef CONFIG_SWIOTLB -extern enum swiotlb_force swiotlb_force; /** * struct io_tlb_mem - IO TLB Memory Pool Descriptor @@ -80,15 +79,14 @@ extern enum swiotlb_force swiotlb_force; * @used: The number of used IO TLB block. * @list: The free list describing the number of free entries available * from each index. - * @index: The index to start searching in the next round. * @orig_addr: The original address corresponding to a mapped entry. * @alloc_size: Size of the allocated buffer. - * @lock: The lock to protect the above data structures in the map and - * unmap calls. * @debugfs: The dentry to debugfs. * @late_alloc: %true if allocated using the page allocator * @force_bounce: %true if swiotlb bouncing is forced * @for_alloc: %true if the pool is used for memory allocation + * @nareas: The area number in the pool. + * @area_nslabs: The slot number in the area. */ struct io_tlb_mem { phys_addr_t start; @@ -96,17 +94,14 @@ struct io_tlb_mem { void *vaddr; unsigned long nslabs; unsigned long used; - unsigned int index; - spinlock_t lock; struct dentry *debugfs; bool late_alloc; bool force_bounce; bool for_alloc; - struct io_tlb_slot { - phys_addr_t orig_addr; - size_t alloc_size; - unsigned int list; - } *slots; + unsigned int nareas; + unsigned int area_nslabs; + struct io_tlb_area *areas; + struct io_tlb_slot *slots; }; extern struct io_tlb_mem io_tlb_default_mem; |