| sun50i-iommu.c (5b167dea64a3fb72907e33f30211d4a5711076f1) | sun50i-iommu.c (3529375e7777b0f9b77c53df9a7da122bd165ae7) |
|---|---|
| 1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2// Copyright (C) 2016-2018, Allwinner Technology CO., LTD. 3// Copyright (C) 2019-2020, Cerno 4 5#include <linux/bitfield.h> 6#include <linux/bug.h> 7#include <linux/clk.h> 8#include <linux/device.h> --- 653 unchanged lines hidden (view full) --- 662 pte = page_table[sun50i_iova_get_pte_index(iova)]; 663 if (!sun50i_pte_is_page_valid(pte)) 664 return 0; 665 666 return sun50i_pte_get_page_address(pte) + 667 sun50i_iova_get_page_offset(iova); 668} 669 | 1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2// Copyright (C) 2016-2018, Allwinner Technology CO., LTD. 3// Copyright (C) 2019-2020, Cerno 4 5#include <linux/bitfield.h> 6#include <linux/bug.h> 7#include <linux/clk.h> 8#include <linux/device.h> --- 653 unchanged lines hidden (view full) --- 662 pte = page_table[sun50i_iova_get_pte_index(iova)]; 663 if (!sun50i_pte_is_page_valid(pte)) 664 return 0; 665 666 return sun50i_pte_get_page_address(pte) + 667 sun50i_iova_get_page_offset(iova); 668} 669 |
| 670static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type) | 670static struct iommu_domain * 671sun50i_iommu_domain_alloc_paging(struct device *dev) |
| 671{ 672 struct sun50i_iommu_domain *sun50i_domain; 673 | 672{ 673 struct sun50i_iommu_domain *sun50i_domain; 674 |
| 674 if (type != IOMMU_DOMAIN_DMA && 675 type != IOMMU_DOMAIN_UNMANAGED) 676 return NULL; 677 | |
| 678 sun50i_domain = kzalloc(sizeof(*sun50i_domain), GFP_KERNEL); 679 if (!sun50i_domain) 680 return NULL; 681 682 sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 683 get_order(DT_SIZE)); 684 if (!sun50i_domain->dt) 685 goto err_free_domain; --- 149 unchanged lines hidden (view full) --- 835 836 return iommu_fwspec_add_ids(dev, &id, 1); 837} 838 839static const struct iommu_ops sun50i_iommu_ops = { 840 .identity_domain = &sun50i_iommu_identity_domain, 841 .pgsize_bitmap = SZ_4K, 842 .device_group = sun50i_iommu_device_group, | 675 sun50i_domain = kzalloc(sizeof(*sun50i_domain), GFP_KERNEL); 676 if (!sun50i_domain) 677 return NULL; 678 679 sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 680 get_order(DT_SIZE)); 681 if (!sun50i_domain->dt) 682 goto err_free_domain; --- 149 unchanged lines hidden (view full) --- 832 833 return iommu_fwspec_add_ids(dev, &id, 1); 834} 835 836static const struct iommu_ops sun50i_iommu_ops = { 837 .identity_domain = &sun50i_iommu_identity_domain, 838 .pgsize_bitmap = SZ_4K, 839 .device_group = sun50i_iommu_device_group, |
| 843 .domain_alloc = sun50i_iommu_domain_alloc, | 840 .domain_alloc_paging = sun50i_iommu_domain_alloc_paging, |
| 844 .of_xlate = sun50i_iommu_of_xlate, 845 .probe_device = sun50i_iommu_probe_device, 846 .default_domain_ops = &(const struct iommu_domain_ops) { 847 .attach_dev = sun50i_iommu_attach_device, 848 .flush_iotlb_all = sun50i_iommu_flush_iotlb_all, 849 .iotlb_sync_map = sun50i_iommu_iotlb_sync_map, 850 .iotlb_sync = sun50i_iommu_iotlb_sync, 851 .iova_to_phys = sun50i_iommu_iova_to_phys, --- 239 unchanged lines hidden --- | 841 .of_xlate = sun50i_iommu_of_xlate, 842 .probe_device = sun50i_iommu_probe_device, 843 .default_domain_ops = &(const struct iommu_domain_ops) { 844 .attach_dev = sun50i_iommu_attach_device, 845 .flush_iotlb_all = sun50i_iommu_flush_iotlb_all, 846 .iotlb_sync_map = sun50i_iommu_iotlb_sync_map, 847 .iotlb_sync = sun50i_iommu_iotlb_sync, 848 .iova_to_phys = sun50i_iommu_iova_to_phys, --- 239 unchanged lines hidden --- |