Lines Matching refs:ccn
317 struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); in arm_ccn_pmu_event_show() local
344 res += sysfs_emit_at(buf, res, ",node=%d", ccn->mn_id); in arm_ccn_pmu_event_show()
360 struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); in arm_ccn_pmu_events_is_visible() local
366 if (event->type == CCN_TYPE_SBAS && !ccn->sbas_present) in arm_ccn_pmu_events_is_visible()
368 if (event->type == CCN_TYPE_SBSX && !ccn->sbsx_present) in arm_ccn_pmu_events_is_visible()
441 static u64 *arm_ccn_pmu_get_cmp_mask(struct arm_ccn *ccn, const char *name) in arm_ccn_pmu_get_cmp_mask() argument
451 return &ccn->dt.cmp_mask[i].l; in arm_ccn_pmu_get_cmp_mask()
453 return &ccn->dt.cmp_mask[i].h; in arm_ccn_pmu_get_cmp_mask()
462 struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); in arm_ccn_pmu_cmp_mask_show() local
463 u64 *mask = arm_ccn_pmu_get_cmp_mask(ccn, attr->attr.name); in arm_ccn_pmu_cmp_mask_show()
471 struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); in arm_ccn_pmu_cmp_mask_store() local
472 u64 *mask = arm_ccn_pmu_get_cmp_mask(ccn, attr->attr.name); in arm_ccn_pmu_cmp_mask_store()
539 struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); in arm_ccn_pmu_cpumask_show() local
541 return cpumap_print_to_pagebuf(true, buf, cpumask_of(ccn->dt.cpu)); in arm_ccn_pmu_cpumask_show()
624 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_alloc() local
637 ccn->dt.pmu_counters_mask)) in arm_ccn_pmu_event_alloc()
641 ccn->dt.pmu_counters[CCN_IDX_PMU_CYCLE_COUNTER].event = event; in arm_ccn_pmu_event_alloc()
647 hw->idx = arm_ccn_pmu_alloc_bit(ccn->dt.pmu_counters_mask, in arm_ccn_pmu_event_alloc()
650 dev_dbg(ccn->dev, "No more counters available!\n"); in arm_ccn_pmu_event_alloc()
655 source = &ccn->xp[node_xp]; in arm_ccn_pmu_event_alloc()
657 source = &ccn->node[node_xp]; in arm_ccn_pmu_event_alloc()
658 ccn->dt.pmu_counters[hw->idx].source = source; in arm_ccn_pmu_event_alloc()
668 dev_dbg(ccn->dev, "No more event sources/watchpoints on node/XP %d!\n", in arm_ccn_pmu_event_alloc()
670 clear_bit(hw->idx, ccn->dt.pmu_counters_mask); in arm_ccn_pmu_event_alloc()
675 ccn->dt.pmu_counters[hw->idx].event = event; in arm_ccn_pmu_event_alloc()
682 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_release() local
686 clear_bit(CCN_IDX_PMU_CYCLE_COUNTER, ccn->dt.pmu_counters_mask); in arm_ccn_pmu_event_release()
689 ccn->dt.pmu_counters[hw->idx].source; in arm_ccn_pmu_event_release()
697 clear_bit(hw->idx, ccn->dt.pmu_counters_mask); in arm_ccn_pmu_event_release()
700 ccn->dt.pmu_counters[hw->idx].source = NULL; in arm_ccn_pmu_event_release()
701 ccn->dt.pmu_counters[hw->idx].event = NULL; in arm_ccn_pmu_event_release()
706 struct arm_ccn *ccn; in arm_ccn_pmu_event_init() local
716 ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_init()
719 dev_dbg(ccn->dev, "Sampling not supported!\n"); in arm_ccn_pmu_event_init()
724 dev_dbg(ccn->dev, "Can't exclude execution levels!\n"); in arm_ccn_pmu_event_init()
729 dev_dbg(ccn->dev, "Can't provide per-task data!\n"); in arm_ccn_pmu_event_init()
741 event->cpu = ccn->dt.cpu; in arm_ccn_pmu_event_init()
750 if (node_xp != ccn->mn_id) { in arm_ccn_pmu_event_init()
751 dev_dbg(ccn->dev, "Invalid MN ID %d!\n", node_xp); in arm_ccn_pmu_event_init()
756 if (node_xp >= ccn->num_xps) { in arm_ccn_pmu_event_init()
757 dev_dbg(ccn->dev, "Invalid XP ID %d!\n", node_xp); in arm_ccn_pmu_event_init()
764 if (node_xp >= ccn->num_nodes) { in arm_ccn_pmu_event_init()
765 dev_dbg(ccn->dev, "Invalid node ID %d!\n", node_xp); in arm_ccn_pmu_event_init()
768 if (!arm_ccn_pmu_type_eq(type, ccn->node[node_xp].type)) { in arm_ccn_pmu_event_init()
769 dev_dbg(ccn->dev, "Invalid type 0x%x for node %d!\n", in arm_ccn_pmu_event_init()
788 dev_dbg(ccn->dev, "Invalid port %d for node/XP %d!\n", in arm_ccn_pmu_event_init()
793 dev_dbg(ccn->dev, "Invalid vc %d for node/XP %d!\n", in arm_ccn_pmu_event_init()
800 dev_dbg(ccn->dev, "Invalid event 0x%x for node/XP %d!\n", in arm_ccn_pmu_event_init()
835 static u64 arm_ccn_pmu_read_counter(struct arm_ccn *ccn, int idx) in arm_ccn_pmu_read_counter() argument
841 res = readq(ccn->dt.base + CCN_DT_PMCCNTR); in arm_ccn_pmu_read_counter()
844 writel(0x1, ccn->dt.base + CCN_DT_PMSR_REQ); in arm_ccn_pmu_read_counter()
845 while (!(readl(ccn->dt.base + CCN_DT_PMSR) & 0x1)) in arm_ccn_pmu_read_counter()
847 writel(0x1, ccn->dt.base + CCN_DT_PMSR_CLR); in arm_ccn_pmu_read_counter()
848 res = readl(ccn->dt.base + CCN_DT_PMCCNTRSR + 4) & 0xff; in arm_ccn_pmu_read_counter()
850 res |= readl(ccn->dt.base + CCN_DT_PMCCNTRSR); in arm_ccn_pmu_read_counter()
853 res = readl(ccn->dt.base + CCN_DT_PMEVCNT(idx)); in arm_ccn_pmu_read_counter()
861 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_update() local
867 new_count = arm_ccn_pmu_read_counter(ccn, hw->idx); in arm_ccn_pmu_event_update()
877 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_xp_dt_config() local
887 xp = &ccn->xp[CCN_CONFIG_XP(event->attr.config)]; in arm_ccn_pmu_xp_dt_config()
889 xp = &ccn->xp[arm_ccn_node_to_xp( in arm_ccn_pmu_xp_dt_config()
897 spin_lock(&ccn->dt.config_lock); in arm_ccn_pmu_xp_dt_config()
905 spin_unlock(&ccn->dt.config_lock); in arm_ccn_pmu_xp_dt_config()
910 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_start() local
914 arm_ccn_pmu_read_counter(ccn, hw->idx)); in arm_ccn_pmu_event_start()
936 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_xp_watchpoint_config() local
939 ccn->dt.pmu_counters[hw->idx].source; in arm_ccn_pmu_xp_watchpoint_config()
944 u64 mask_l = ccn->dt.cmp_mask[CCN_CONFIG_MASK(event->attr.config)].l; in arm_ccn_pmu_xp_watchpoint_config()
945 u64 mask_h = ccn->dt.cmp_mask[CCN_CONFIG_MASK(event->attr.config)].h; in arm_ccn_pmu_xp_watchpoint_config()
984 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_xp_event_config() local
987 ccn->dt.pmu_counters[hw->idx].source; in arm_ccn_pmu_xp_event_config()
1005 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_node_event_config() local
1008 ccn->dt.pmu_counters[hw->idx].source; in arm_ccn_pmu_node_event_config()
1042 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_config() local
1055 spin_lock(&ccn->dt.config_lock); in arm_ccn_pmu_event_config()
1059 val = readl(ccn->dt.base + CCN_DT_ACTIVE_DSM + offset); in arm_ccn_pmu_event_config()
1063 writel(val, ccn->dt.base + CCN_DT_ACTIVE_DSM + offset); in arm_ccn_pmu_event_config()
1075 spin_unlock(&ccn->dt.config_lock); in arm_ccn_pmu_event_config()
1078 static int arm_ccn_pmu_active_counters(struct arm_ccn *ccn) in arm_ccn_pmu_active_counters() argument
1080 return bitmap_weight(ccn->dt.pmu_counters_mask, in arm_ccn_pmu_active_counters()
1088 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_add() local
1099 if (!ccn->irq && arm_ccn_pmu_active_counters(ccn) == 1) in arm_ccn_pmu_event_add()
1100 hrtimer_start(&ccn->dt.hrtimer, arm_ccn_pmu_timer_period(), in arm_ccn_pmu_event_add()
1115 struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); in arm_ccn_pmu_event_del() local
1121 if (!ccn->irq && arm_ccn_pmu_active_counters(ccn) == 0) in arm_ccn_pmu_event_del()
1122 hrtimer_cancel(&ccn->dt.hrtimer); in arm_ccn_pmu_event_del()
1132 struct arm_ccn *ccn = pmu_to_arm_ccn(pmu); in arm_ccn_pmu_enable() local
1134 u32 val = readl(ccn->dt.base + CCN_DT_PMCR); in arm_ccn_pmu_enable()
1136 writel(val, ccn->dt.base + CCN_DT_PMCR); in arm_ccn_pmu_enable()
1141 struct arm_ccn *ccn = pmu_to_arm_ccn(pmu); in arm_ccn_pmu_disable() local
1143 u32 val = readl(ccn->dt.base + CCN_DT_PMCR); in arm_ccn_pmu_disable()
1145 writel(val, ccn->dt.base + CCN_DT_PMCR); in arm_ccn_pmu_disable()
1194 struct arm_ccn *ccn = container_of(dt, struct arm_ccn, dt); in arm_ccn_pmu_offline_cpu() local
1204 if (ccn->irq) in arm_ccn_pmu_offline_cpu()
1205 WARN_ON(irq_set_affinity(ccn->irq, cpumask_of(dt->cpu))); in arm_ccn_pmu_offline_cpu()
1211 static int arm_ccn_pmu_init(struct arm_ccn *ccn) in arm_ccn_pmu_init() argument
1218 ccn->dt.base = ccn->base + CCN_REGION_SIZE; in arm_ccn_pmu_init()
1219 spin_lock_init(&ccn->dt.config_lock); in arm_ccn_pmu_init()
1220 writel(CCN_DT_PMOVSR_CLR__MASK, ccn->dt.base + CCN_DT_PMOVSR_CLR); in arm_ccn_pmu_init()
1221 writel(CCN_DT_CTL__DT_EN, ccn->dt.base + CCN_DT_CTL); in arm_ccn_pmu_init()
1223 ccn->dt.base + CCN_DT_PMCR); in arm_ccn_pmu_init()
1224 writel(0x1, ccn->dt.base + CCN_DT_PMSR_CLR); in arm_ccn_pmu_init()
1225 for (i = 0; i < ccn->num_xps; i++) { in arm_ccn_pmu_init()
1226 writel(0, ccn->xp[i].base + CCN_XP_DT_CONFIG); in arm_ccn_pmu_init()
1232 ccn->xp[i].base + CCN_XP_DT_CONTROL); in arm_ccn_pmu_init()
1234 ccn->dt.cmp_mask[CCN_IDX_MASK_ANY].l = ~0; in arm_ccn_pmu_init()
1235 ccn->dt.cmp_mask[CCN_IDX_MASK_ANY].h = ~0; in arm_ccn_pmu_init()
1236 ccn->dt.cmp_mask[CCN_IDX_MASK_EXACT].l = 0; in arm_ccn_pmu_init()
1237 ccn->dt.cmp_mask[CCN_IDX_MASK_EXACT].h = 0; in arm_ccn_pmu_init()
1238 ccn->dt.cmp_mask[CCN_IDX_MASK_ORDER].l = ~0; in arm_ccn_pmu_init()
1239 ccn->dt.cmp_mask[CCN_IDX_MASK_ORDER].h = ~(0x1 << 15); in arm_ccn_pmu_init()
1240 ccn->dt.cmp_mask[CCN_IDX_MASK_OPCODE].l = ~0; in arm_ccn_pmu_init()
1241 ccn->dt.cmp_mask[CCN_IDX_MASK_OPCODE].h = ~(0x1f << 9); in arm_ccn_pmu_init()
1244 ccn->dt.id = ida_alloc(&arm_ccn_pmu_ida, GFP_KERNEL); in arm_ccn_pmu_init()
1245 if (ccn->dt.id == 0) { in arm_ccn_pmu_init()
1248 name = devm_kasprintf(ccn->dev, GFP_KERNEL, "ccn_%d", in arm_ccn_pmu_init()
1249 ccn->dt.id); in arm_ccn_pmu_init()
1257 ccn->dt.pmu = (struct pmu) { in arm_ccn_pmu_init()
1259 .parent = ccn->dev, in arm_ccn_pmu_init()
1274 if (!ccn->irq) { in arm_ccn_pmu_init()
1275 dev_info(ccn->dev, "No access to interrupts, using timer.\n"); in arm_ccn_pmu_init()
1276 hrtimer_init(&ccn->dt.hrtimer, CLOCK_MONOTONIC, in arm_ccn_pmu_init()
1278 ccn->dt.hrtimer.function = arm_ccn_pmu_timer_handler; in arm_ccn_pmu_init()
1282 ccn->dt.cpu = raw_smp_processor_id(); in arm_ccn_pmu_init()
1285 if (ccn->irq) { in arm_ccn_pmu_init()
1286 err = irq_set_affinity(ccn->irq, cpumask_of(ccn->dt.cpu)); in arm_ccn_pmu_init()
1288 dev_err(ccn->dev, "Failed to set interrupt affinity!\n"); in arm_ccn_pmu_init()
1294 &ccn->dt.node); in arm_ccn_pmu_init()
1296 err = perf_pmu_register(&ccn->dt.pmu, name, -1); in arm_ccn_pmu_init()
1304 &ccn->dt.node); in arm_ccn_pmu_init()
1307 ida_free(&arm_ccn_pmu_ida, ccn->dt.id); in arm_ccn_pmu_init()
1308 for (i = 0; i < ccn->num_xps; i++) in arm_ccn_pmu_init()
1309 writel(0, ccn->xp[i].base + CCN_XP_DT_CONTROL); in arm_ccn_pmu_init()
1310 writel(0, ccn->dt.base + CCN_DT_PMCR); in arm_ccn_pmu_init()
1314 static void arm_ccn_pmu_cleanup(struct arm_ccn *ccn) in arm_ccn_pmu_cleanup() argument
1319 &ccn->dt.node); in arm_ccn_pmu_cleanup()
1320 for (i = 0; i < ccn->num_xps; i++) in arm_ccn_pmu_cleanup()
1321 writel(0, ccn->xp[i].base + CCN_XP_DT_CONTROL); in arm_ccn_pmu_cleanup()
1322 writel(0, ccn->dt.base + CCN_DT_PMCR); in arm_ccn_pmu_cleanup()
1323 perf_pmu_unregister(&ccn->dt.pmu); in arm_ccn_pmu_cleanup()
1324 ida_free(&arm_ccn_pmu_ida, ccn->dt.id); in arm_ccn_pmu_cleanup()
1327 static int arm_ccn_for_each_valid_region(struct arm_ccn *ccn, in arm_ccn_for_each_valid_region() argument
1328 int (*callback)(struct arm_ccn *ccn, int region, in arm_ccn_for_each_valid_region() argument
1338 val = readl(ccn->base + CCN_MN_OLY_COMP_LIST_63_0 + in arm_ccn_for_each_valid_region()
1343 base = ccn->base + region * CCN_REGION_SIZE; in arm_ccn_for_each_valid_region()
1350 err = callback(ccn, region, base, type, id); in arm_ccn_for_each_valid_region()
1358 static int arm_ccn_get_nodes_num(struct arm_ccn *ccn, int region, in arm_ccn_get_nodes_num() argument
1362 if (type == CCN_TYPE_XP && id >= ccn->num_xps) in arm_ccn_get_nodes_num()
1363 ccn->num_xps = id + 1; in arm_ccn_get_nodes_num()
1364 else if (id >= ccn->num_nodes) in arm_ccn_get_nodes_num()
1365 ccn->num_nodes = id + 1; in arm_ccn_get_nodes_num()
1370 static int arm_ccn_init_nodes(struct arm_ccn *ccn, int region, in arm_ccn_init_nodes() argument
1375 dev_dbg(ccn->dev, "Region %d: id=%u, type=0x%02x\n", region, id, type); in arm_ccn_init_nodes()
1379 ccn->mn_id = id; in arm_ccn_init_nodes()
1384 component = &ccn->xp[id]; in arm_ccn_init_nodes()
1387 ccn->sbsx_present = 1; in arm_ccn_init_nodes()
1388 component = &ccn->node[id]; in arm_ccn_init_nodes()
1391 ccn->sbas_present = 1; in arm_ccn_init_nodes()
1394 component = &ccn->node[id]; in arm_ccn_init_nodes()
1405 static irqreturn_t arm_ccn_error_handler(struct arm_ccn *ccn, in arm_ccn_error_handler() argument
1409 dev_err(ccn->dev, "Error reported in %08x%08x%08x%08x%08x%08x.\n", in arm_ccn_error_handler()
1412 dev_err(ccn->dev, "Disabling interrupt generation for all errors.\n"); in arm_ccn_error_handler()
1414 ccn->base + CCN_MN_ERRINT_STATUS); in arm_ccn_error_handler()
1423 struct arm_ccn *ccn = dev_id; in arm_ccn_irq_handler() local
1429 err_or = err_sig_val[0] = readl(ccn->base + CCN_MN_ERR_SIG_VAL_63_0); in arm_ccn_irq_handler()
1432 res = arm_ccn_pmu_overflow_handler(&ccn->dt); in arm_ccn_irq_handler()
1437 err_sig_val[i] = readl(ccn->base + in arm_ccn_irq_handler()
1442 res |= arm_ccn_error_handler(ccn, err_sig_val); in arm_ccn_irq_handler()
1446 ccn->base + CCN_MN_ERRINT_STATUS); in arm_ccn_irq_handler()
1454 struct arm_ccn *ccn; in arm_ccn_probe() local
1458 ccn = devm_kzalloc(&pdev->dev, sizeof(*ccn), GFP_KERNEL); in arm_ccn_probe()
1459 if (!ccn) in arm_ccn_probe()
1461 ccn->dev = &pdev->dev; in arm_ccn_probe()
1462 platform_set_drvdata(pdev, ccn); in arm_ccn_probe()
1464 ccn->base = devm_platform_ioremap_resource(pdev, 0); in arm_ccn_probe()
1465 if (IS_ERR(ccn->base)) in arm_ccn_probe()
1466 return PTR_ERR(ccn->base); in arm_ccn_probe()
1474 ccn->base + CCN_MN_ERRINT_STATUS); in arm_ccn_probe()
1475 if (readl(ccn->base + CCN_MN_ERRINT_STATUS) & in arm_ccn_probe()
1479 ccn->base + CCN_MN_ERRINT_STATUS); in arm_ccn_probe()
1480 err = devm_request_irq(ccn->dev, irq, arm_ccn_irq_handler, in arm_ccn_probe()
1482 dev_name(ccn->dev), ccn); in arm_ccn_probe()
1486 ccn->irq = irq; in arm_ccn_probe()
1492 err = arm_ccn_for_each_valid_region(ccn, arm_ccn_get_nodes_num); in arm_ccn_probe()
1496 ccn->node = devm_kcalloc(ccn->dev, ccn->num_nodes, sizeof(*ccn->node), in arm_ccn_probe()
1498 ccn->xp = devm_kcalloc(ccn->dev, ccn->num_xps, sizeof(*ccn->node), in arm_ccn_probe()
1500 if (!ccn->node || !ccn->xp) in arm_ccn_probe()
1503 err = arm_ccn_for_each_valid_region(ccn, arm_ccn_init_nodes); in arm_ccn_probe()
1507 return arm_ccn_pmu_init(ccn); in arm_ccn_probe()
1512 struct arm_ccn *ccn = platform_get_drvdata(pdev); in arm_ccn_remove() local
1514 arm_ccn_pmu_cleanup(ccn); in arm_ccn_remove()