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lib: sbi_pmu: Update sbi_pmu dev ops

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Update fw_event_validate_code, fw_counter_match_code and fw_counter_start
ops which used a 32 bit event code to use the 64 bit event data instead.

Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Mayuresh Chitale 2023-03-09 18:43:55 +05:30 • committed by Anup Patel
parent 548e4b4b28
commit b51ddffcc0
2 changed files with 21 additions and 18 deletions
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9
include/sbi/sbi_pmu.h
View file

@ -30,16 +30,15 @@ struct sbi_pmu_device {
/**
* Validate event code of custom firmware event
* Note: SBI_PMU_FW_MAX <= event_idx_code
*/
int (*fw_event_validate_code)(uint32_t event_idx_code);
int (*fw_event_validate_encoding)(uint64_t event_data);
/**
* Match custom firmware counter with custom firmware event
* Note: 0 <= counter_index < SBI_PMU_FW_CTR_MAX
*/
bool (*fw_counter_match_code)(uint32_t counter_index,
uint32_t event_idx_code);
bool (*fw_counter_match_encoding)(uint32_t counter_index,
uint64_t event_data);
/**
* Fetch the max width of this counter in number of bits.
@ -58,7 +57,7 @@ struct sbi_pmu_device {
* Note: 0 <= counter_index < SBI_PMU_FW_CTR_MAX
*/
int (*fw_counter_start)(uint32_t counter_index,
uint32_t event_idx_code,
uint64_t event_data,
uint64_t init_val, bool init_val_update);
/**

30
lib/sbi/sbi_pmu.c
View file

@ -110,7 +110,7 @@ static bool pmu_event_select_overlap(struct sbi_pmu_hw_event *evt,
return false;
}
static int pmu_event_validate(unsigned long event_idx)
static int pmu_event_validate(unsigned long event_idx, uint64_t edata)
{
uint32_t event_idx_type = get_cidx_type(event_idx);
uint32_t event_idx_code = get_cidx_code(event_idx);
@ -123,8 +123,8 @@ static int pmu_event_validate(unsigned long event_idx)
break;
case SBI_PMU_EVENT_TYPE_FW:
if (SBI_PMU_FW_MAX <= event_idx_code &&
pmu_dev && pmu_dev->fw_event_validate_code)
return pmu_dev->fw_event_validate_code(event_idx_code);
pmu_dev && pmu_dev->fw_event_validate_encoding)
return pmu_dev->fw_event_validate_encoding(edata);
else
event_idx_code_max = SBI_PMU_FW_MAX;
break;
@ -361,7 +361,8 @@ int sbi_pmu_irq_bit(void)
}
static int pmu_ctr_start_fw(uint32_t cidx, uint32_t event_code,
uint64_t ival, bool ival_update)
uint64_t event_data, uint64_t ival,
bool ival_update)
{
int ret;
u32 hartid = current_hartid();
@ -369,7 +370,7 @@ static int pmu_ctr_start_fw(uint32_t cidx, uint32_t event_code,
if (SBI_PMU_FW_MAX <= event_code &&
pmu_dev && pmu_dev->fw_counter_start) {
ret = pmu_dev->fw_counter_start(cidx - num_hw_ctrs,
event_code,
event_data,
ival, ival_update);
if (ret)
return ret;
@ -390,6 +391,7 @@ int sbi_pmu_ctr_start(unsigned long cbase, unsigned long cmask,
int ret = SBI_EINVAL;
bool bUpdate = false;
int i, cidx;
uint64_t edata = 0;
if ((cbase + sbi_fls(cmask)) >= total_ctrs)
return ret;
@ -404,7 +406,8 @@ int sbi_pmu_ctr_start(unsigned long cbase, unsigned long cmask,
/* Continue the start operation for other counters */
continue;
else if (event_idx_type == SBI_PMU_EVENT_TYPE_FW)
ret = pmu_ctr_start_fw(cidx, event_code, ival, bUpdate);
ret = pmu_ctr_start_fw(cidx, event_code, edata, ival,
bUpdate);
else
ret = pmu_ctr_start_hw(cidx, ival, bUpdate);
}
@ -644,7 +647,7 @@ static int pmu_ctr_find_hw(unsigned long cbase, unsigned long cmask, unsigned lo
* check.
*/
static int pmu_ctr_find_fw(unsigned long cbase, unsigned long cmask,
uint32_t event_code, u32 hartid)
uint32_t event_code, u32 hartid, uint64_t edata)
{
int i, cidx;
@ -655,9 +658,9 @@ static int pmu_ctr_find_fw(unsigned long cbase, unsigned long cmask,
if (active_events[hartid][i] != SBI_PMU_EVENT_IDX_INVALID)
continue;
if (SBI_PMU_FW_MAX <= event_code &&
pmu_dev && pmu_dev->fw_counter_match_code) {
if (!pmu_dev->fw_counter_match_code(cidx - num_hw_ctrs,
event_code))
pmu_dev && pmu_dev->fw_counter_match_encoding) {
if (!pmu_dev->fw_counter_match_encoding(cidx - num_hw_ctrs,
edata))
continue;
}
@ -679,7 +682,7 @@ int sbi_pmu_ctr_cfg_match(unsigned long cidx_base, unsigned long cidx_mask,
if ((cidx_base + sbi_fls(cidx_mask)) >= total_ctrs)
return SBI_EINVAL;
event_type = pmu_event_validate(event_idx);
event_type = pmu_event_validate(event_idx, event_data);
if (event_type < 0)
return SBI_EINVAL;
event_code = get_cidx_code(event_idx);
@ -697,7 +700,8 @@ int sbi_pmu_ctr_cfg_match(unsigned long cidx_base, unsigned long cidx_mask,
if (event_type == SBI_PMU_EVENT_TYPE_FW) {
/* Any firmware counter can be used track any firmware event */
ctr_idx = pmu_ctr_find_fw(cidx_base, cidx_mask, event_code, hartid);
ctr_idx = pmu_ctr_find_fw(cidx_base, cidx_mask, event_code,
hartid, event_data);
} else {
ctr_idx = pmu_ctr_find_hw(cidx_base, cidx_mask, flags, event_idx,
event_data);
@ -720,7 +724,7 @@ skip_match:
if (SBI_PMU_FW_MAX <= event_code &&
pmu_dev && pmu_dev->fw_counter_start) {
ret = pmu_dev->fw_counter_start(
ctr_idx - num_hw_ctrs, event_code,
ctr_idx - num_hw_ctrs, event_data,
fw_counters_data[hartid][ctr_idx - num_hw_ctrs],
true);
if (ret)