forked from Minki/linux
firmware: arm_scmi: Use fast channel tracing
Make use of SCMI fast channel event tracing. Link: https://lore.kernel.org/r/20220704102241.2988447-7-cristian.marussi@arm.com Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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@ -16,6 +16,8 @@
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#include <linux/scmi_protocol.h>
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#include <linux/sort.h>
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#include <trace/events/scmi.h>
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#include "protocols.h"
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#include "notify.h"
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@ -363,6 +365,8 @@ static int scmi_perf_limits_set(const struct scmi_protocol_handle *ph,
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if (dom->fc_info && dom->fc_info[PERF_FC_LIMIT].set_addr) {
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struct scmi_fc_info *fci = &dom->fc_info[PERF_FC_LIMIT];
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trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LIMITS_SET,
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domain, min_perf, max_perf);
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iowrite32(max_perf, fci->set_addr);
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iowrite32(min_perf, fci->set_addr + 4);
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ph->hops->fastchannel_db_ring(fci->set_db);
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@ -409,6 +413,8 @@ static int scmi_perf_limits_get(const struct scmi_protocol_handle *ph,
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*max_perf = ioread32(fci->get_addr);
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*min_perf = ioread32(fci->get_addr + 4);
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trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LIMITS_GET,
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domain, *min_perf, *max_perf);
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return 0;
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}
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@ -446,6 +452,8 @@ static int scmi_perf_level_set(const struct scmi_protocol_handle *ph,
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if (dom->fc_info && dom->fc_info[PERF_FC_LEVEL].set_addr) {
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struct scmi_fc_info *fci = &dom->fc_info[PERF_FC_LEVEL];
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trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LEVEL_SET,
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domain, level, 0);
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iowrite32(level, fci->set_addr);
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ph->hops->fastchannel_db_ring(fci->set_db);
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return 0;
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@ -484,6 +492,8 @@ static int scmi_perf_level_get(const struct scmi_protocol_handle *ph,
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if (dom->fc_info && dom->fc_info[PERF_FC_LEVEL].get_addr) {
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*level = ioread32(dom->fc_info[PERF_FC_LEVEL].get_addr);
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trace_scmi_fc_call(SCMI_PROTOCOL_PERF, PERF_LEVEL_GET,
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domain, *level, 0);
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return 0;
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}
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@ -12,6 +12,8 @@
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#include <linux/module.h>
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#include <linux/scmi_protocol.h>
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#include <trace/events/scmi.h>
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#include "protocols.h"
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#include "notify.h"
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@ -323,6 +325,8 @@ static int scmi_powercap_cap_get(const struct scmi_protocol_handle *ph,
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dom = pi->powercaps + domain_id;
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if (dom->fc_info && dom->fc_info[POWERCAP_FC_CAP].get_addr) {
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*power_cap = ioread32(dom->fc_info[POWERCAP_FC_CAP].get_addr);
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trace_scmi_fc_call(SCMI_PROTOCOL_POWERCAP, POWERCAP_CAP_GET,
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domain_id, *power_cap, 0);
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return 0;
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}
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@ -388,6 +392,8 @@ static int scmi_powercap_cap_set(const struct scmi_protocol_handle *ph,
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iowrite32(power_cap, fci->set_addr);
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ph->hops->fastchannel_db_ring(fci->set_db);
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trace_scmi_fc_call(SCMI_PROTOCOL_POWERCAP, POWERCAP_CAP_SET,
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domain_id, power_cap, 0);
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return 0;
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}
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@ -427,6 +433,8 @@ static int scmi_powercap_pai_get(const struct scmi_protocol_handle *ph,
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dom = pi->powercaps + domain_id;
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if (dom->fc_info && dom->fc_info[POWERCAP_FC_PAI].get_addr) {
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*pai = ioread32(dom->fc_info[POWERCAP_FC_PAI].get_addr);
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trace_scmi_fc_call(SCMI_PROTOCOL_POWERCAP, POWERCAP_PAI_GET,
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domain_id, *pai, 0);
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return 0;
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}
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@ -469,6 +477,8 @@ static int scmi_powercap_pai_set(const struct scmi_protocol_handle *ph,
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if (pc->fc_info && pc->fc_info[POWERCAP_FC_PAI].set_addr) {
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struct scmi_fc_info *fci = &pc->fc_info[POWERCAP_FC_PAI];
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trace_scmi_fc_call(SCMI_PROTOCOL_POWERCAP, POWERCAP_PAI_SET,
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domain_id, pai, 0);
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iowrite32(pai, fci->set_addr);
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ph->hops->fastchannel_db_ring(fci->set_db);
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return 0;
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