184 static int clear_avail_iommu_bnk_cntr(struct perf_amd_iommu *perf_iommu,  in clear_avail_iommu_bnk_cntr()  argument
191 	max_banks = perf_iommu->max_banks;  in clear_avail_iommu_bnk_cntr()
192 	max_cntrs = perf_iommu->max_counters;  in clear_avail_iommu_bnk_cntr()
199 	raw_spin_lock_irqsave(&perf_iommu->lock, flags);  in clear_avail_iommu_bnk_cntr()
200 	perf_iommu->cntr_assign_mask &= ~(1ULL<<shift);  in clear_avail_iommu_bnk_cntr()
201 	raw_spin_unlock_irqrestore(&perf_iommu->lock, flags);  in clear_avail_iommu_bnk_cntr()
368 	struct perf_amd_iommu *perf_iommu =  in perf_iommu_del()  local
374 	clear_avail_iommu_bnk_cntr(perf_iommu,  in perf_iommu_del()
420 	struct perf_amd_iommu *perf_iommu;  in init_one_iommu()  local
423 	perf_iommu = kzalloc(sizeof(struct perf_amd_iommu), GFP_KERNEL);  in init_one_iommu()
424 	if (!perf_iommu)  in init_one_iommu()
427 	raw_spin_lock_init(&perf_iommu->lock);  in init_one_iommu()
429 	perf_iommu->pmu          = iommu_pmu;  in init_one_iommu()
430 	perf_iommu->iommu        = get_amd_iommu(idx);  in init_one_iommu()
431 	perf_iommu->max_banks    = amd_iommu_pc_get_max_banks(idx);  in init_one_iommu()
432 	perf_iommu->max_counters = amd_iommu_pc_get_max_counters(idx);  in init_one_iommu()
434 	if (!perf_iommu->iommu ||  in init_one_iommu()
435 	    !perf_iommu->max_banks ||  in init_one_iommu()
436 	    !perf_iommu->max_counters) {  in init_one_iommu()
437 		kfree(perf_iommu);  in init_one_iommu()
441 	snprintf(perf_iommu->name, IOMMU_NAME_SIZE, "amd_iommu_%u", idx);  in init_one_iommu()
443 	ret = perf_pmu_register(&perf_iommu->pmu, perf_iommu->name, -1);  in init_one_iommu()
446 			idx, perf_iommu->max_banks, perf_iommu->max_counters);  in init_one_iommu()
447 		list_add_tail(&perf_iommu->list, &perf_amd_iommu_list);  in init_one_iommu()
450 		kfree(perf_iommu);  in init_one_iommu()