13 #include <linux/intel-iommu.h>
113 	struct intel_iommu *iommu;  in iommu_regset_show()  local
119 	for_each_active_iommu(iommu, drhd) {  in iommu_regset_show()
121 			seq_puts(m, "IOMMU: Invalid base address\n");  in iommu_regset_show()
126 		seq_printf(m, "IOMMU: %s Register Base Address: %llx\n",  in iommu_regset_show()
127 			   iommu->name, drhd->reg_base_addr);  in iommu_regset_show()
133 		raw_spin_lock_irqsave(&iommu->register_lock, flag);  in iommu_regset_show()
135 			value = dmar_readl(iommu->reg + iommu_regs_32[i].offset);  in iommu_regset_show()
141 			value = dmar_readq(iommu->reg + iommu_regs_64[i].offset);  in iommu_regset_show()
146 		raw_spin_unlock_irqrestore(&iommu->register_lock, flag);  in iommu_regset_show()
214 static void ctx_tbl_walk(struct seq_file *m, struct intel_iommu *iommu, u16 bus)  in ctx_tbl_walk()  argument
236 		context = iommu_context_addr(iommu, bus, devfn, 0);  in ctx_tbl_walk()
245 		tbl_wlk.rt_entry = &iommu->root_entry[bus];  in ctx_tbl_walk()
249 		if (dmar_readq(iommu->reg + DMAR_RTADDR_REG) & DMA_RTADDR_SMT) {  in ctx_tbl_walk()
260 static void root_tbl_walk(struct seq_file *m, struct intel_iommu *iommu)  in root_tbl_walk()  argument
265 	spin_lock_irqsave(&iommu->lock, flags);  in root_tbl_walk()
266 	seq_printf(m, "IOMMU %s: Root Table Address: 0x%llx\n", iommu->name,  in root_tbl_walk()
267 		   (u64)virt_to_phys(iommu->root_entry));  in root_tbl_walk()
276 		ctx_tbl_walk(m, iommu, bus);  in root_tbl_walk()
278 	spin_unlock_irqrestore(&iommu->lock, flags);  in root_tbl_walk()
284 	struct intel_iommu *iommu;  in dmar_translation_struct_show()  local
288 	for_each_active_iommu(iommu, drhd) {  in dmar_translation_struct_show()
289 		sts = dmar_readl(iommu->reg + DMAR_GSTS_REG);  in dmar_translation_struct_show()
292 				   iommu->name);  in dmar_translation_struct_show()
295 		root_tbl_walk(m, iommu);  in dmar_translation_struct_show()
376 					  struct intel_iommu *iommu)  in invalidation_queue_entry_show()  argument
378 	int index, shift = qi_shift(iommu);  in invalidation_queue_entry_show()
382 	if (ecap_smts(iommu->ecap))  in invalidation_queue_entry_show()
389 		desc = iommu->qi->desc + offset;  in invalidation_queue_entry_show()
390 		if (ecap_smts(iommu->ecap))  in invalidation_queue_entry_show()
394 				   iommu->qi->desc_status[index]);  in invalidation_queue_entry_show()
398 				   iommu->qi->desc_status[index]);  in invalidation_queue_entry_show()
405 	struct intel_iommu *iommu;  in invalidation_queue_show()  local
411 	for_each_active_iommu(iommu, drhd) {  in invalidation_queue_show()
412 		qi = iommu->qi;  in invalidation_queue_show()
413 		shift = qi_shift(iommu);  in invalidation_queue_show()
415 		if (!qi || !ecap_qis(iommu->ecap))  in invalidation_queue_show()
418 		seq_printf(m, "Invalidation queue on IOMMU: %s\n", iommu->name);  in invalidation_queue_show()
423 			   dmar_readq(iommu->reg + DMAR_IQH_REG) >> shift,  in invalidation_queue_show()
424 			   dmar_readq(iommu->reg + DMAR_IQT_REG) >> shift);  in invalidation_queue_show()
425 		invalidation_queue_entry_show(m, iommu);  in invalidation_queue_show()
437 				    struct intel_iommu *iommu)  in ir_tbl_remap_entry_show()  argument
447 		ri_entry = &iommu->ir_table->base[idx];  in ir_tbl_remap_entry_show()
461 				     struct intel_iommu *iommu)  in ir_tbl_posted_entry_show()  argument
471 		pi_entry = &iommu->ir_table->base[idx];  in ir_tbl_posted_entry_show()
493 	struct intel_iommu *iommu;  in ir_translation_struct_show()  local
498 	for_each_active_iommu(iommu, drhd) {  in ir_translation_struct_show()
499 		if (!ecap_ir_support(iommu->ecap))  in ir_translation_struct_show()
502 		seq_printf(m, "Remapped Interrupt supported on IOMMU: %s\n",  in ir_translation_struct_show()
503 			   iommu->name);  in ir_translation_struct_show()
505 		sts = dmar_readl(iommu->reg + DMAR_GSTS_REG);  in ir_translation_struct_show()
506 		if (iommu->ir_table && (sts & DMA_GSTS_IRES)) {  in ir_translation_struct_show()
507 			irta = virt_to_phys(iommu->ir_table->base);  in ir_translation_struct_show()
509 			ir_tbl_remap_entry_show(m, iommu);  in ir_translation_struct_show()
518 	for_each_active_iommu(iommu, drhd) {  in ir_translation_struct_show()
519 		if (!cap_pi_support(iommu->cap))  in ir_translation_struct_show()
522 		seq_printf(m, "Posted Interrupt supported on IOMMU: %s\n",  in ir_translation_struct_show()
523 			   iommu->name);  in ir_translation_struct_show()
525 		if (iommu->ir_table) {  in ir_translation_struct_show()
526 			irta = virt_to_phys(iommu->ir_table->base);  in ir_translation_struct_show()
528 			ir_tbl_posted_entry_show(m, iommu);  in ir_translation_struct_show()