34 static int __etnaviv_iommu_init(struct etnaviv_iommuv1_domain *etnaviv_domain)  in __etnaviv_iommu_init()  argument
39 	etnaviv_domain->base.bad_page_cpu =  in __etnaviv_iommu_init()
40 			dma_alloc_wc(etnaviv_domain->base.dev, SZ_4K,  in __etnaviv_iommu_init()
41 				     &etnaviv_domain->base.bad_page_dma,  in __etnaviv_iommu_init()
43 	if (!etnaviv_domain->base.bad_page_cpu)  in __etnaviv_iommu_init()
46 	p = etnaviv_domain->base.bad_page_cpu;  in __etnaviv_iommu_init()
50 	etnaviv_domain->pgtable_cpu = dma_alloc_wc(etnaviv_domain->base.dev,  in __etnaviv_iommu_init()
52 						   &etnaviv_domain->pgtable_dma,  in __etnaviv_iommu_init()
54 	if (!etnaviv_domain->pgtable_cpu) {  in __etnaviv_iommu_init()
55 		dma_free_wc(etnaviv_domain->base.dev, SZ_4K,  in __etnaviv_iommu_init()
56 			    etnaviv_domain->base.bad_page_cpu,  in __etnaviv_iommu_init()
57 			    etnaviv_domain->base.bad_page_dma);  in __etnaviv_iommu_init()
61 	memset32(etnaviv_domain->pgtable_cpu, etnaviv_domain->base.bad_page_dma,  in __etnaviv_iommu_init()
69 	struct etnaviv_iommuv1_domain *etnaviv_domain =  in etnaviv_iommuv1_domain_free()  local
72 	dma_free_wc(etnaviv_domain->base.dev, PT_SIZE,  in etnaviv_iommuv1_domain_free()
73 		    etnaviv_domain->pgtable_cpu, etnaviv_domain->pgtable_dma);  in etnaviv_iommuv1_domain_free()
75 	dma_free_wc(etnaviv_domain->base.dev, SZ_4K,  in etnaviv_iommuv1_domain_free()
76 		    etnaviv_domain->base.bad_page_cpu,  in etnaviv_iommuv1_domain_free()
77 		    etnaviv_domain->base.bad_page_dma);  in etnaviv_iommuv1_domain_free()
79 	kfree(etnaviv_domain);  in etnaviv_iommuv1_domain_free()
86 	struct etnaviv_iommuv1_domain *etnaviv_domain = to_etnaviv_domain(domain);  in etnaviv_iommuv1_map()  local
92 	etnaviv_domain->pgtable_cpu[index] = paddr;  in etnaviv_iommuv1_map()
100 	struct etnaviv_iommuv1_domain *etnaviv_domain =  in etnaviv_iommuv1_unmap()  local
107 	etnaviv_domain->pgtable_cpu[index] = etnaviv_domain->base.bad_page_dma;  in etnaviv_iommuv1_unmap()
119 	struct etnaviv_iommuv1_domain *etnaviv_domain =  in etnaviv_iommuv1_dump()  local
122 	memcpy(buf, etnaviv_domain->pgtable_cpu, PT_SIZE);  in etnaviv_iommuv1_dump()
127 	struct etnaviv_iommuv1_domain *etnaviv_domain =  in etnaviv_iommuv1_restore()  local
139 	pgtable = (u32)etnaviv_domain->pgtable_dma;  in etnaviv_iommuv1_restore()
159 	struct etnaviv_iommuv1_domain *etnaviv_domain;  in etnaviv_iommuv1_domain_alloc()  local
163 	etnaviv_domain = kzalloc(sizeof(*etnaviv_domain), GFP_KERNEL);  in etnaviv_iommuv1_domain_alloc()
164 	if (!etnaviv_domain)  in etnaviv_iommuv1_domain_alloc()
167 	domain = &etnaviv_domain->base;  in etnaviv_iommuv1_domain_alloc()
174 	ret = __etnaviv_iommu_init(etnaviv_domain);  in etnaviv_iommuv1_domain_alloc()
178 	return &etnaviv_domain->base;  in etnaviv_iommuv1_domain_alloc()
181 	kfree(etnaviv_domain);  in etnaviv_iommuv1_domain_alloc()