drivers/iommu/omap-iommu-debug.c

25 static inline bool is_omap_iommu_detached(struct omap_iommu *obj)
27 	return !obj->domain;
38 				 iommu_read_reg(obj, MMU_##name));	\
44 omap2_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len)
68 static ssize_t omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf,
71 	if (!obj || !buf)
74 	pm_runtime_get_sync(obj->dev);
76 	bytes = omap2_iommu_dump_ctx(obj, buf, bytes);
78 	pm_runtime_put_sync(obj->dev);
86 	struct omap_iommu *obj = file->private_data;
90 	if (is_omap_iommu_detached(obj))
100 	bytes = omap_iommu_dump_ctx(obj, p, count);
113 __dump_tlb_entries(struct omap_iommu *obj, struct cr_regs *crs, int num)
120 	pm_runtime_get_sync(obj->dev);
121 	iotlb_lock_get(obj, &saved);
123 	for_each_iotlb_cr(obj, num, i, tmp) {
129 	iotlb_lock_set(obj, &saved);
130 	pm_runtime_put_sync(obj->dev);
135 static ssize_t iotlb_dump_cr(struct omap_iommu *obj, struct cr_regs *cr,
143 static size_t omap_dump_tlb_entries(struct omap_iommu *obj, struct seq_file *s)
148 	num = obj->nr_tlb_entries;
154 	num = __dump_tlb_entries(obj, cr, num);
156 		iotlb_dump_cr(obj, cr + i, s);
164 	struct omap_iommu *obj = s->private;
166 	if (is_omap_iommu_detached(obj))
173 	omap_dump_tlb_entries(obj, s);
185 	struct omap_iommu *obj = s->private;
187 	spin_lock(&obj->page_table_lock);
189 	iopgd = iopgd_offset(obj, 0);
210 	spin_unlock(&obj->page_table_lock);
215 	struct omap_iommu *obj = s->private;
217 	if (is_omap_iommu_detached(obj))
242 void omap_iommu_debugfs_add(struct omap_iommu *obj)
249 	d = debugfs_create_dir(obj->name, iommu_debug_root);
250 	obj->debug_dir = d;
252 	debugfs_create_u32("nr_tlb_entries", 0400, d, &obj->nr_tlb_entries);
253 	debugfs_create_file("regs", 0400, d, obj, &regs_fops);
254 	debugfs_create_file("tlb", 0400, d, obj, &tlb_fops);
255 	debugfs_create_file("pagetable", 0400, d, obj, &pagetable_fops);
258 void omap_iommu_debugfs_remove(struct omap_iommu *obj)
260 	if (!obj->debug_dir)
263 	debugfs_remove_recursive(obj->debug_dir);