Firmware/opensbi
8
0
Fork 0
forked from Mirrors/opensbi
Code Pull Requests Activity

lib: sbi_pmu: Add hartid parameter PMU device ops

Browse Source 
Platform specific firmware event handler may leverage the hartid to program
per hart specific registers for a given counter.

Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Mayuresh Chitale
2023-03-09 18:43:58 +05:30
committed by Anup Patel
parent 57d3aa3b0d
commit c631a7da27
2 changed files with 23 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
lib/sbi/sbi_pmu.c
View File

@@ -116,6 +116,7 @@ static int pmu_event_validate(unsigned long event_idx, uint64_t edata)
uint32_t event_idx_code = get_cidx_code(event_idx);
uint32_t event_idx_code_max = -1;
uint32_t cache_ops_result, cache_ops_id, cache_id;
u32 hartid = current_hartid();
switch(event_idx_type) {
case SBI_PMU_EVENT_TYPE_HW:
@@ -129,7 +130,8 @@ static int pmu_event_validate(unsigned long event_idx, uint64_t edata)
if (SBI_PMU_FW_PLATFORM == event_idx_code &&
pmu_dev && pmu_dev->fw_event_validate_encoding)
return pmu_dev->fw_event_validate_encoding(edata);
return pmu_dev->fw_event_validate_encoding(hartid,
edata);
else
event_idx_code_max = SBI_PMU_FW_MAX;
break;
@@ -199,7 +201,8 @@ int sbi_pmu_ctr_fw_read(uint32_t cidx, uint64_t *cval)
if (SBI_PMU_FW_PLATFORM == event_code) {
if (pmu_dev && pmu_dev->fw_counter_read_value)
*cval = pmu_dev->fw_counter_read_value(cidx -
*cval = pmu_dev->fw_counter_read_value(hartid,
cidx -
num_hw_ctrs);
else
*cval = 0;
@@ -391,10 +394,11 @@ static int pmu_ctr_start_fw(uint32_t cidx, uint32_t event_code,
}
if (ival_update)
pmu_dev->fw_counter_write_value(cidx - num_hw_ctrs,
pmu_dev->fw_counter_write_value(hartid,
cidx - num_hw_ctrs,
ival);
return pmu_dev->fw_counter_start(cidx - num_hw_ctrs,
return pmu_dev->fw_counter_start(hartid, cidx - num_hw_ctrs,
event_data);
} else {
if (ival_update)
@@ -467,6 +471,7 @@ static int pmu_ctr_stop_hw(uint32_t cidx)
static int pmu_ctr_stop_fw(uint32_t cidx, uint32_t event_code)
{
u32 hartid = current_hartid();
int ret;
if ((event_code >= SBI_PMU_FW_MAX &&
@@ -476,7 +481,7 @@ static int pmu_ctr_stop_fw(uint32_t cidx, uint32_t event_code)
if (SBI_PMU_FW_PLATFORM == event_code &&
pmu_dev && pmu_dev->fw_counter_stop) {
ret = pmu_dev->fw_counter_stop(cidx - num_hw_ctrs);
ret = pmu_dev->fw_counter_stop(hartid, cidx - num_hw_ctrs);
if (ret)
return ret;
}
@@ -697,8 +702,9 @@ static int pmu_ctr_find_fw(unsigned long cbase, unsigned long cmask,
continue;
if (SBI_PMU_FW_PLATFORM == event_code &&
pmu_dev && pmu_dev->fw_counter_match_encoding) {
if (!pmu_dev->fw_counter_match_encoding(cidx - num_hw_ctrs,
edata))
if (!pmu_dev->fw_counter_match_encoding(hartid,
cidx - num_hw_ctrs,
edata))
continue;
}
@@ -764,9 +770,8 @@ skip_match:
if (flags & SBI_PMU_CFG_FLAG_AUTO_START) {
if (SBI_PMU_FW_PLATFORM == event_code &&
pmu_dev && pmu_dev->fw_counter_start) {
ret = pmu_dev->fw_counter_start(ctr_idx -
num_hw_ctrs,
event_data);
ret = pmu_dev->fw_counter_start(hartid,
ctr_idx - num_hw_ctrs, event_data);
if (ret)
return ret;
}