Lines Matching refs:size
76 unsigned long offset, size_t size, enum dma_data_direction dir, in arm_dma_map_page() argument
80 __dma_page_cpu_to_dev(page, offset, size, dir); in arm_dma_map_page()
85 unsigned long offset, size_t size, enum dma_data_direction dir, in arm_coherent_dma_map_page() argument
106 size_t size, enum dma_data_direction dir, in arm_dma_unmap_page() argument
111 handle & ~PAGE_MASK, size, dir); in arm_dma_unmap_page()
115 dma_addr_t handle, size_t size, enum dma_data_direction dir) in arm_dma_sync_single_for_cpu() argument
119 __dma_page_dev_to_cpu(page, offset, size, dir); in arm_dma_sync_single_for_cpu()
123 dma_addr_t handle, size_t size, enum dma_data_direction dir) in arm_dma_sync_single_for_device() argument
127 __dma_page_cpu_to_dev(page, offset, size, dir); in arm_dma_sync_single_for_device()
147 static void *arm_coherent_dma_alloc(struct device *dev, size_t size,
149 static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_addr,
224 static void __dma_clear_buffer(struct page *page, size_t size) in __dma_clear_buffer() argument
232 phys_addr_t end = base + size; in __dma_clear_buffer()
233 while (size > 0) { in __dma_clear_buffer()
239 size -= PAGE_SIZE; in __dma_clear_buffer()
244 memset(ptr, 0, size); in __dma_clear_buffer()
245 dmac_flush_range(ptr, ptr + size); in __dma_clear_buffer()
246 outer_flush_range(__pa(ptr), __pa(ptr) + size); in __dma_clear_buffer()
254 static struct page *__dma_alloc_buffer(struct device *dev, size_t size, gfp_t gfp) in __dma_alloc_buffer() argument
256 unsigned long order = get_order(size); in __dma_alloc_buffer()
267 for (p = page + (size >> PAGE_SHIFT), e = page + (1 << order); p < e; p++) in __dma_alloc_buffer()
270 __dma_clear_buffer(page, size); in __dma_alloc_buffer()
278 static void __dma_free_buffer(struct page *page, size_t size) in __dma_free_buffer() argument
280 struct page *e = page + (size >> PAGE_SHIFT); in __dma_free_buffer()
290 static void *__alloc_from_contiguous(struct device *dev, size_t size,
294 static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp,
299 __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot, in __dma_alloc_remap() argument
306 return dma_common_contiguous_remap(page, size, in __dma_alloc_remap()
311 static void __dma_free_remap(void *cpu_addr, size_t size) in __dma_free_remap() argument
313 dma_common_free_remap(cpu_addr, size, in __dma_free_remap()
329 void __init init_dma_coherent_pool_size(unsigned long size) in init_dma_coherent_pool_size() argument
341 atomic_pool_size = size; in init_dma_coherent_pool_size()
396 unsigned long size; member
403 void __init dma_contiguous_early_fixup(phys_addr_t base, unsigned long size) in dma_contiguous_early_fixup() argument
406 dma_mmu_remap[dma_mmu_remap_num].size = size; in dma_contiguous_early_fixup()
415 phys_addr_t end = start + dma_mmu_remap[i].size; in dma_contiguous_remap()
459 static void __dma_remap(struct page *page, size_t size, pgprot_t prot) in __dma_remap() argument
462 unsigned end = start + size; in __dma_remap()
464 apply_to_page_range(&init_mm, start, size, __dma_update_pte, &prot); in __dma_remap()
468 static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp, in __alloc_remap_buffer() argument
474 page = __dma_alloc_buffer(dev, size, gfp); in __alloc_remap_buffer()
480 ptr = __dma_alloc_remap(page, size, gfp, prot, caller); in __alloc_remap_buffer()
482 __dma_free_buffer(page, size); in __alloc_remap_buffer()
491 static void *__alloc_from_pool(size_t size, struct page **ret_page) in __alloc_from_pool() argument
501 val = gen_pool_alloc(atomic_pool, size); in __alloc_from_pool()
512 static bool __in_atomic_pool(void *start, size_t size) in __in_atomic_pool() argument
514 return addr_in_gen_pool(atomic_pool, (unsigned long)start, size); in __in_atomic_pool()
517 static int __free_from_pool(void *start, size_t size) in __free_from_pool() argument
519 if (!__in_atomic_pool(start, size)) in __free_from_pool()
522 gen_pool_free(atomic_pool, (unsigned long)start, size); in __free_from_pool()
527 static void *__alloc_from_contiguous(struct device *dev, size_t size, in __alloc_from_contiguous() argument
531 unsigned long order = get_order(size); in __alloc_from_contiguous()
532 size_t count = size >> PAGE_SHIFT; in __alloc_from_contiguous()
540 __dma_clear_buffer(page, size); in __alloc_from_contiguous()
546 ptr = __dma_alloc_remap(page, size, GFP_KERNEL, prot, caller); in __alloc_from_contiguous()
552 __dma_remap(page, size, prot); in __alloc_from_contiguous()
562 void *cpu_addr, size_t size, bool want_vaddr) in __free_from_contiguous() argument
566 __dma_free_remap(cpu_addr, size); in __free_from_contiguous()
568 __dma_remap(page, size, PAGE_KERNEL); in __free_from_contiguous()
570 dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT); in __free_from_contiguous()
588 #define __alloc_remap_buffer(dev, size, gfp, prot, ret, c, wv) NULL argument
589 #define __alloc_from_pool(size, ret_page) NULL argument
590 #define __alloc_from_contiguous(dev, size, prot, ret, c, wv) NULL argument
591 #define __free_from_pool(cpu_addr, size) 0 argument
592 #define __free_from_contiguous(dev, page, cpu_addr, size, wv) do { } while (0) argument
593 #define __dma_free_remap(cpu_addr, size) do { } while (0) argument
597 static void *__alloc_simple_buffer(struct device *dev, size_t size, gfp_t gfp, in __alloc_simple_buffer() argument
601 page = __dma_alloc_buffer(dev, size, gfp); in __alloc_simple_buffer()
611 static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, in __dma_alloc() argument
622 if (limit && size >= limit) { in __dma_alloc()
624 size, mask); in __dma_alloc()
645 size = PAGE_ALIGN(size); in __dma_alloc()
649 addr = __alloc_simple_buffer(dev, size, gfp, &page); in __dma_alloc()
651 addr = __alloc_from_pool(size, &page); in __dma_alloc()
653 addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller, want_vaddr); in __dma_alloc()
655 addr = __alloc_from_contiguous(dev, size, prot, &page, caller, want_vaddr); in __dma_alloc()
667 void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, in arm_dma_alloc() argument
673 if (dma_alloc_from_coherent(dev, size, handle, &memory)) in arm_dma_alloc()
676 return __dma_alloc(dev, size, handle, gfp, prot, false, in arm_dma_alloc()
680 static void *arm_coherent_dma_alloc(struct device *dev, size_t size, in arm_coherent_dma_alloc() argument
686 if (dma_alloc_from_coherent(dev, size, handle, &memory)) in arm_coherent_dma_alloc()
689 return __dma_alloc(dev, size, handle, gfp, prot, true, in arm_coherent_dma_alloc()
697 void *cpu_addr, dma_addr_t dma_addr, size_t size, in arm_dma_mmap() argument
703 unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; in arm_dma_mmap()
709 if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret)) in arm_dma_mmap()
726 static void __arm_dma_free(struct device *dev, size_t size, void *cpu_addr, in __arm_dma_free() argument
733 if (dma_release_from_coherent(dev, get_order(size), cpu_addr)) in __arm_dma_free()
736 size = PAGE_ALIGN(size); in __arm_dma_free()
739 __dma_free_buffer(page, size); in __arm_dma_free()
740 } else if (__free_from_pool(cpu_addr, size)) { in __arm_dma_free()
744 __dma_free_remap(cpu_addr, size); in __arm_dma_free()
745 __dma_free_buffer(page, size); in __arm_dma_free()
751 __free_from_contiguous(dev, page, cpu_addr, size, want_vaddr); in __arm_dma_free()
755 void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, in arm_dma_free() argument
758 __arm_dma_free(dev, size, cpu_addr, handle, attrs, false); in arm_dma_free()
761 static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_addr, in arm_coherent_dma_free() argument
764 __arm_dma_free(dev, size, cpu_addr, handle, attrs, true); in arm_coherent_dma_free()
768 void *cpu_addr, dma_addr_t handle, size_t size, in arm_dma_get_sgtable() argument
778 sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0); in arm_dma_get_sgtable()
783 size_t size, enum dma_data_direction dir, in dma_cache_maint_page() argument
787 size_t left = size; in dma_cache_maint_page()
836 size_t size, enum dma_data_direction dir) in __dma_page_cpu_to_dev() argument
840 dma_cache_maint_page(page, off, size, dir, dmac_map_area); in __dma_page_cpu_to_dev()
844 outer_inv_range(paddr, paddr + size); in __dma_page_cpu_to_dev()
846 outer_clean_range(paddr, paddr + size); in __dma_page_cpu_to_dev()
852 size_t size, enum dma_data_direction dir) in __dma_page_dev_to_cpu() argument
859 outer_inv_range(paddr, paddr + size); in __dma_page_dev_to_cpu()
861 dma_cache_maint_page(page, off, size, dir, dmac_unmap_area); in __dma_page_dev_to_cpu()
867 if (dir != DMA_TO_DEVICE && size >= PAGE_SIZE) { in __dma_page_dev_to_cpu()
869 size_t left = size; in __dma_page_dev_to_cpu()
1023 size_t size) in __alloc_iova() argument
1025 unsigned int order = get_order(size); in __alloc_iova()
1036 count = PAGE_ALIGN(size) >> PAGE_SHIFT; in __alloc_iova()
1081 dma_addr_t addr, size_t size) in __free_iova() argument
1089 if (!size) in __free_iova()
1099 if (addr + size > bitmap_base + mapping_size) { in __free_iova()
1108 count = size >> PAGE_SHIFT; in __free_iova()
1115 static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, in __iommu_alloc_buffer() argument
1119 int count = size >> PAGE_SHIFT; in __iommu_alloc_buffer()
1132 unsigned long order = get_order(size); in __iommu_alloc_buffer()
1139 __dma_clear_buffer(page, size); in __iommu_alloc_buffer()
1201 size_t size, struct dma_attrs *attrs) in __iommu_free_buffer() argument
1203 int count = size >> PAGE_SHIFT; in __iommu_free_buffer()
1226 __iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot, in __iommu_alloc_remap() argument
1229 return dma_common_pages_remap(pages, size, in __iommu_alloc_remap()
1237 __iommu_create_mapping(struct device *dev, struct page **pages, size_t size) in __iommu_create_mapping() argument
1240 unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; in __iommu_create_mapping()
1244 dma_addr = __alloc_iova(mapping, size); in __iommu_create_mapping()
1269 __free_iova(mapping, dma_addr, size); in __iommu_create_mapping()
1273 static int __iommu_remove_mapping(struct device *dev, dma_addr_t iova, size_t size) in __iommu_remove_mapping() argument
1281 size = PAGE_ALIGN((iova & ~PAGE_MASK) + size); in __iommu_remove_mapping()
1284 iommu_unmap(mapping->domain, iova, size); in __iommu_remove_mapping()
1285 __free_iova(mapping, iova, size); in __iommu_remove_mapping()
1316 static void *__iommu_alloc_atomic(struct device *dev, size_t size, in __iommu_alloc_atomic() argument
1322 addr = __alloc_from_pool(size, &page); in __iommu_alloc_atomic()
1326 *handle = __iommu_create_mapping(dev, &page, size); in __iommu_alloc_atomic()
1333 __free_from_pool(addr, size); in __iommu_alloc_atomic()
1338 dma_addr_t handle, size_t size) in __iommu_free_atomic() argument
1340 __iommu_remove_mapping(dev, handle, size); in __iommu_free_atomic()
1341 __free_from_pool(cpu_addr, size); in __iommu_free_atomic()
1344 static void *arm_iommu_alloc_attrs(struct device *dev, size_t size, in arm_iommu_alloc_attrs() argument
1352 size = PAGE_ALIGN(size); in arm_iommu_alloc_attrs()
1355 return __iommu_alloc_atomic(dev, size, handle); in arm_iommu_alloc_attrs()
1366 pages = __iommu_alloc_buffer(dev, size, gfp, attrs); in arm_iommu_alloc_attrs()
1370 *handle = __iommu_create_mapping(dev, pages, size); in arm_iommu_alloc_attrs()
1377 addr = __iommu_alloc_remap(pages, size, gfp, prot, in arm_iommu_alloc_attrs()
1385 __iommu_remove_mapping(dev, *handle, size); in arm_iommu_alloc_attrs()
1387 __iommu_free_buffer(dev, pages, size, attrs); in arm_iommu_alloc_attrs()
1392 void *cpu_addr, dma_addr_t dma_addr, size_t size, in arm_iommu_mmap_attrs() argument
1398 unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; in arm_iommu_mmap_attrs()
1428 void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, in arm_iommu_free_attrs() argument
1432 size = PAGE_ALIGN(size); in arm_iommu_free_attrs()
1434 if (__in_atomic_pool(cpu_addr, size)) { in arm_iommu_free_attrs()
1435 __iommu_free_atomic(dev, cpu_addr, handle, size); in arm_iommu_free_attrs()
1446 dma_common_free_remap(cpu_addr, size, in arm_iommu_free_attrs()
1450 __iommu_remove_mapping(dev, handle, size); in arm_iommu_free_attrs()
1451 __iommu_free_buffer(dev, pages, size, attrs); in arm_iommu_free_attrs()
1456 size_t size, struct dma_attrs *attrs) in arm_iommu_get_sgtable() argument
1458 unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; in arm_iommu_get_sgtable()
1464 return sg_alloc_table_from_pages(sgt, pages, count, 0, size, in arm_iommu_get_sgtable()
1493 size_t size, dma_addr_t *handle, in __map_sg_chunk() argument
1504 size = PAGE_ALIGN(size); in __map_sg_chunk()
1507 iova_base = iova = __alloc_iova(mapping, size); in __map_sg_chunk()
1511 for (count = 0, s = sg; count < (size >> PAGE_SHIFT); s = sg_next(s)) { in __map_sg_chunk()
1532 __free_iova(mapping, iova_base, size); in __map_sg_chunk()
1543 unsigned int size = s->offset + s->length; in __iommu_map_sg() local
1552 if (s->offset || (size & ~PAGE_MASK) || size + s->length > max) { in __iommu_map_sg()
1553 if (__map_sg_chunk(dev, start, size, &dma->dma_address, in __iommu_map_sg()
1558 dma->dma_length = size - offset; in __iommu_map_sg()
1560 size = offset = s->offset; in __iommu_map_sg()
1565 size += s->length; in __iommu_map_sg()
1567 if (__map_sg_chunk(dev, start, size, &dma->dma_address, dir, attrs, in __iommu_map_sg()
1572 dma->dma_length = size - offset; in __iommu_map_sg()
1715 unsigned long offset, size_t size, enum dma_data_direction dir, in arm_coherent_iommu_map_page() argument
1720 int ret, prot, len = PAGE_ALIGN(size + offset); in arm_coherent_iommu_map_page()
1749 unsigned long offset, size_t size, enum dma_data_direction dir, in arm_iommu_map_page() argument
1753 __dma_page_cpu_to_dev(page, offset, size, dir); in arm_iommu_map_page()
1755 return arm_coherent_iommu_map_page(dev, page, offset, size, dir, attrs); in arm_iommu_map_page()
1768 size_t size, enum dma_data_direction dir, in arm_coherent_iommu_unmap_page() argument
1774 int len = PAGE_ALIGN(size + offset); in arm_coherent_iommu_unmap_page()
1793 size_t size, enum dma_data_direction dir, in arm_iommu_unmap_page() argument
1800 int len = PAGE_ALIGN(size + offset); in arm_iommu_unmap_page()
1806 __dma_page_dev_to_cpu(page, offset, size, dir); in arm_iommu_unmap_page()
1813 dma_addr_t handle, size_t size, enum dma_data_direction dir) in arm_iommu_sync_single_for_cpu() argument
1823 __dma_page_dev_to_cpu(page, offset, size, dir); in arm_iommu_sync_single_for_cpu()
1827 dma_addr_t handle, size_t size, enum dma_data_direction dir) in arm_iommu_sync_single_for_device() argument
1837 __dma_page_cpu_to_dev(page, offset, size, dir); in arm_iommu_sync_single_for_device()
1888 arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, u64 size) in arm_iommu_create_mapping() argument
1890 unsigned int bits = size >> PAGE_SHIFT; in arm_iommu_create_mapping()
1897 if (size > DMA_BIT_MASK(32) + 1) in arm_iommu_create_mapping()
2063 static bool arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size, in arm_setup_iommu_dma_ops() argument
2071 mapping = arm_iommu_create_mapping(dev->bus, dma_base, size); in arm_setup_iommu_dma_ops()
2074 size, dev_name(dev)); in arm_setup_iommu_dma_ops()
2101 static bool arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size, in arm_setup_iommu_dma_ops() argument
2118 void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, in arch_setup_dma_ops() argument
2124 if (arm_setup_iommu_dma_ops(dev, dma_base, size, iommu)) in arch_setup_dma_ops()