CCI_IF_MAX,
};
+#define NUM_HW_CNTRS_CII_4XX 4
+#define NUM_HW_CNTRS_CII_5XX 8
+#define NUM_HW_CNTRS_MAX NUM_HW_CNTRS_CII_5XX
+
+#define FIXED_HW_CNTRS_CII_4XX 1
+#define FIXED_HW_CNTRS_CII_5XX 0
+#define FIXED_HW_CNTRS_MAX FIXED_HW_CNTRS_CII_4XX
+
+#define HW_CNTRS_MAX (NUM_HW_CNTRS_MAX + FIXED_HW_CNTRS_MAX)
+
struct event_range {
u32 min;
u32 max;
{
int i;
struct cci_pmu_hw_events *cci_hw = &cci_pmu->hw_events;
-
- DECLARE_BITMAP(mask, cci_pmu->num_cntrs);
+ DECLARE_BITMAP(mask, HW_CNTRS_MAX);
bitmap_zero(mask, cci_pmu->num_cntrs);
for_each_set_bit(i, cci_pmu->hw_events.used_mask, cci_pmu->num_cntrs) {
static void cci5xx_pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask)
{
int i;
- DECLARE_BITMAP(saved_mask, cci_pmu->num_cntrs);
+ DECLARE_BITMAP(saved_mask, HW_CNTRS_MAX);
bitmap_zero(saved_mask, cci_pmu->num_cntrs);
pmu_save_counters(cci_pmu, saved_mask);
{
struct perf_event *sibling, *leader = event->group_leader;
struct cci_pmu *cci_pmu = to_cci_pmu(event->pmu);
- unsigned long mask[BITS_TO_LONGS(cci_pmu->num_cntrs)];
+ unsigned long mask[BITS_TO_LONGS(HW_CNTRS_MAX)];
struct cci_pmu_hw_events fake_pmu = {
/*
* Initialise the fake PMU. We only need to populate the
char *name = model->name;
u32 num_cntrs;
+ if (WARN_ON(model->num_hw_cntrs > NUM_HW_CNTRS_MAX))
+ return -EINVAL;
+ if (WARN_ON(model->fixed_hw_cntrs > FIXED_HW_CNTRS_MAX))
+ return -EINVAL;
+
pmu_event_attr_group.attrs = model->event_attrs;
pmu_format_attr_group.attrs = model->format_attrs;
#ifdef CONFIG_ARM_CCI400_PMU
[CCI400_R0] = {
.name = "CCI_400",
- .fixed_hw_cntrs = 1, /* Cycle counter */
- .num_hw_cntrs = 4,
+ .fixed_hw_cntrs = FIXED_HW_CNTRS_CII_4XX, /* Cycle counter */
+ .num_hw_cntrs = NUM_HW_CNTRS_CII_4XX,
.cntr_size = SZ_4K,
.format_attrs = cci400_pmu_format_attrs,
.event_attrs = cci400_r0_pmu_event_attrs,
},
[CCI400_R1] = {
.name = "CCI_400_r1",
- .fixed_hw_cntrs = 1, /* Cycle counter */
- .num_hw_cntrs = 4,
+ .fixed_hw_cntrs = FIXED_HW_CNTRS_CII_4XX, /* Cycle counter */
+ .num_hw_cntrs = NUM_HW_CNTRS_CII_4XX,
.cntr_size = SZ_4K,
.format_attrs = cci400_pmu_format_attrs,
.event_attrs = cci400_r1_pmu_event_attrs,
#ifdef CONFIG_ARM_CCI5xx_PMU
[CCI500_R0] = {
.name = "CCI_500",
- .fixed_hw_cntrs = 0,
- .num_hw_cntrs = 8,
+ .fixed_hw_cntrs = FIXED_HW_CNTRS_CII_5XX,
+ .num_hw_cntrs = NUM_HW_CNTRS_CII_5XX,
.cntr_size = SZ_64K,
.format_attrs = cci5xx_pmu_format_attrs,
.event_attrs = cci5xx_pmu_event_attrs,
},
[CCI550_R0] = {
.name = "CCI_550",
- .fixed_hw_cntrs = 0,
- .num_hw_cntrs = 8,
+ .fixed_hw_cntrs = FIXED_HW_CNTRS_CII_5XX,
+ .num_hw_cntrs = NUM_HW_CNTRS_CII_5XX,
.cntr_size = SZ_64K,
.format_attrs = cci5xx_pmu_format_attrs,
.event_attrs = cci5xx_pmu_event_attrs,