58 static int update_liodn_stash(int liodn, struct fsl_dma_domain *dma_domain,  in update_liodn_stash()  argument
78 static int pamu_set_liodn(struct fsl_dma_domain *dma_domain, struct device *dev,  in pamu_set_liodn()  argument
96 	ret = pamu_config_ppaace(liodn, omi_index, dma_domain->stash_id, 0);  in pamu_set_liodn()
99 	ret = pamu_config_ppaace(liodn, ~(u32)0, dma_domain->stash_id,  in pamu_set_liodn()
124 static void detach_device(struct device *dev, struct fsl_dma_domain *dma_domain)  in detach_device()  argument
129 	spin_lock_irqsave(&dma_domain->domain_lock, flags);  in detach_device()
131 	list_for_each_entry_safe(info, tmp, &dma_domain->devices, link) {  in detach_device()
135 	spin_unlock_irqrestore(&dma_domain->domain_lock, flags);  in detach_device()
138 static void attach_device(struct fsl_dma_domain *dma_domain, int liodn, struct device *dev)  in attach_device()  argument
149 	if (old_domain_info && old_domain_info->domain != dma_domain) {  in attach_device()
159 	info->domain = dma_domain;  in attach_device()
161 	list_add(&info->link, &dma_domain->devices);  in attach_device()
188 	struct fsl_dma_domain *dma_domain = to_fsl_dma_domain(domain);  in fsl_pamu_domain_free()  local
191 	detach_device(NULL, dma_domain);  in fsl_pamu_domain_free()
192 	kmem_cache_free(fsl_pamu_domain_cache, dma_domain);  in fsl_pamu_domain_free()
197 	struct fsl_dma_domain *dma_domain;  in fsl_pamu_domain_alloc()  local
209 	dma_domain = kmem_cache_zalloc(fsl_pamu_domain_cache, GFP_KERNEL);  in fsl_pamu_domain_alloc()
210 	if (!dma_domain)  in fsl_pamu_domain_alloc()
213 	dma_domain->stash_id = ~(u32)0;  in fsl_pamu_domain_alloc()
214 	INIT_LIST_HEAD(&dma_domain->devices);  in fsl_pamu_domain_alloc()
215 	spin_lock_init(&dma_domain->domain_lock);  in fsl_pamu_domain_alloc()
218 	dma_domain->iommu_domain. geometry.aperture_start = 0;  in fsl_pamu_domain_alloc()
219 	dma_domain->iommu_domain.geometry.aperture_end = (1ULL << 36) - 1;  in fsl_pamu_domain_alloc()
220 	dma_domain->iommu_domain.geometry.force_aperture = true;  in fsl_pamu_domain_alloc()
222 	return &dma_domain->iommu_domain;  in fsl_pamu_domain_alloc()
226 static int update_domain_stash(struct fsl_dma_domain *dma_domain, u32 val)  in update_domain_stash()  argument
231 	list_for_each_entry(info, &dma_domain->devices, link) {  in update_domain_stash()
232 		ret = update_liodn_stash(info->liodn, dma_domain, val);  in update_domain_stash()
243 	struct fsl_dma_domain *dma_domain = to_fsl_dma_domain(domain);  in fsl_pamu_attach_device()  local
271 	spin_lock_irqsave(&dma_domain->domain_lock, flags);  in fsl_pamu_attach_device()
281 		attach_device(dma_domain, liodn[i], dev);  in fsl_pamu_attach_device()
282 		ret = pamu_set_liodn(dma_domain, dev, liodn[i]);  in fsl_pamu_attach_device()
289 	spin_unlock_irqrestore(&dma_domain->domain_lock, flags);  in fsl_pamu_attach_device()
304 	struct fsl_dma_domain *dma_domain;  in fsl_pamu_platform_attach()  local
318 	dma_domain = to_fsl_dma_domain(domain);  in fsl_pamu_platform_attach()
337 		detach_device(dev, dma_domain);  in fsl_pamu_platform_attach()
355 	struct fsl_dma_domain *dma_domain = to_fsl_dma_domain(domain);  in fsl_pamu_configure_l1_stash()  local
359 	spin_lock_irqsave(&dma_domain->domain_lock, flags);  in fsl_pamu_configure_l1_stash()
360 	dma_domain->stash_id = get_stash_id(PAMU_ATTR_CACHE_L1, cpu);  in fsl_pamu_configure_l1_stash()
361 	if (dma_domain->stash_id == ~(u32)0) {  in fsl_pamu_configure_l1_stash()
363 		spin_unlock_irqrestore(&dma_domain->domain_lock, flags);  in fsl_pamu_configure_l1_stash()
366 	ret = update_domain_stash(dma_domain, dma_domain->stash_id);  in fsl_pamu_configure_l1_stash()
367 	spin_unlock_irqrestore(&dma_domain->domain_lock, flags);  in fsl_pamu_configure_l1_stash()