20 	struct latency_statistic *lstat = iommu->perf_statistic;  in dmar_latency_enabled()  local
22 	return lstat && lstat[type].enabled;  in dmar_latency_enabled()
27 	struct latency_statistic *lstat;  in dmar_latency_enable()  local
36 		iommu->perf_statistic = kcalloc(DMAR_LATENCY_NUM, sizeof(*lstat),  in dmar_latency_enable()
44 	lstat = iommu->perf_statistic;  in dmar_latency_enable()
46 	if (!lstat[type].enabled) {  in dmar_latency_enable()
47 		lstat[type].enabled = true;  in dmar_latency_enable()
48 		lstat[type].counter[COUNTS_MIN] = UINT_MAX;  in dmar_latency_enable()
59 	struct latency_statistic *lstat = iommu->perf_statistic;  in dmar_latency_disable()  local
66 	memset(&lstat[type], 0, sizeof(*lstat) * DMAR_LATENCY_NUM);  in dmar_latency_disable()
72 	struct latency_statistic *lstat = iommu->perf_statistic;  in dmar_latency_update()  local
81 		lstat[type].counter[COUNTS_10e2]++;  in dmar_latency_update()
83 		lstat[type].counter[COUNTS_10e3]++;  in dmar_latency_update()
85 		lstat[type].counter[COUNTS_10e4]++;  in dmar_latency_update()
87 		lstat[type].counter[COUNTS_10e5]++;  in dmar_latency_update()
89 		lstat[type].counter[COUNTS_10e6]++;  in dmar_latency_update()
91 		lstat[type].counter[COUNTS_10e7]++;  in dmar_latency_update()
93 		lstat[type].counter[COUNTS_10e8_plus]++;  in dmar_latency_update()
95 	min = lstat[type].counter[COUNTS_MIN];  in dmar_latency_update()
96 	max = lstat[type].counter[COUNTS_MAX];  in dmar_latency_update()
97 	lstat[type].counter[COUNTS_MIN] = min_t(u64, min, latency);  in dmar_latency_update()
98 	lstat[type].counter[COUNTS_MAX] = max_t(u64, max, latency);  in dmar_latency_update()
99 	lstat[type].counter[COUNTS_SUM] += latency;  in dmar_latency_update()
100 	lstat[type].samples++;  in dmar_latency_update()
118 	struct latency_statistic *lstat = iommu->perf_statistic;  in dmar_latency_snapshot()  local
137 			u64 val = lstat[i].counter[j];  in dmar_latency_snapshot()
150 				if (lstat[i].samples)  in dmar_latency_snapshot()
151 					val = div_u64(val, (lstat[i].samples * 1000));  in dmar_latency_snapshot()