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Searched refs:max_dma (Results 1 – 5 of 5) sorted by relevance

/Linux-v5.4/arch/arm64/mm/
Dinit.c203 unsigned long max_dma = min; in zone_sizes_init() local
209 max_dma = PFN_DOWN(arm64_dma_phys_limit); in zone_sizes_init()
210 zone_size[ZONE_DMA32] = max_dma - min; in zone_sizes_init()
212 zone_size[ZONE_NORMAL] = max - max_dma; in zone_sizes_init()
224 if (start < max_dma) { in zone_sizes_init()
225 unsigned long dma_end = min(end, max_dma); in zone_sizes_init()
229 if (end > max_dma) { in zone_sizes_init()
231 unsigned long normal_start = max(start, max_dma); in zone_sizes_init()
/Linux-v5.4/arch/alpha/kernel/
Dpci_iommu.c268 dma_addr_t max_dma = pdev ? pdev->dma_mask : ISA_DMA_MASK; in pci_map_single_1() local
280 if (paddr + size + __direct_map_base - 1 <= max_dma in pci_map_single_1()
310 if (!arena || arena->dma_base + arena->size - 1 > max_dma) in pci_map_single_1()
569 dma_addr_t max_dma, int dac_allowed) in sg_fill() argument
581 && paddr + size + __direct_map_base - 1 <= max_dma in sg_fill()
618 return sg_fill(dev, leader, end, out, arena, max_dma, dac_allowed); in sg_fill()
673 dma_addr_t max_dma; in alpha_pci_map_sg() local
698 max_dma = pdev ? pdev->dma_mask : ISA_DMA_MASK; in alpha_pci_map_sg()
700 if (!arena || arena->dma_base + arena->size - 1 > max_dma) in alpha_pci_map_sg()
703 max_dma = -1; in alpha_pci_map_sg()
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/Linux-v5.4/arch/ia64/mm/
Dcontig.c178 unsigned long max_dma; in paging_init() local
183 max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; in paging_init()
184 max_zone_pfns[ZONE_DMA32] = max_dma; in paging_init()
Ddiscontig.c596 unsigned long max_dma; in paging_init() local
602 max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; in paging_init()
627 max_zone_pfns[ZONE_DMA32] = max_dma; in paging_init()
/Linux-v5.4/kernel/dma/
Ddirect.c48 u64 max_dma = phys_to_dma_direct(dev, (max_pfn - 1) << PAGE_SHIFT); in dma_direct_get_required_mask() local
50 return (1ULL << (fls64(max_dma) - 1)) * 2 - 1; in dma_direct_get_required_mask()