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path: root/drivers/perf/arm_cspmu/nvidia_cspmu.c
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Diffstat (limited to 'drivers/perf/arm_cspmu/nvidia_cspmu.c')
-rw-r--r--drivers/perf/arm_cspmu/nvidia_cspmu.c194
1 files changed, 141 insertions, 53 deletions
diff --git a/drivers/perf/arm_cspmu/nvidia_cspmu.c b/drivers/perf/arm_cspmu/nvidia_cspmu.c
index dc6d4e3e2a1b..e06a06d3407b 100644
--- a/drivers/perf/arm_cspmu/nvidia_cspmu.c
+++ b/drivers/perf/arm_cspmu/nvidia_cspmu.c
@@ -23,7 +23,7 @@
#define NV_GENERIC_FILTER_ID_MASK GENMASK_ULL(31, 0)
-#define NV_PRODID_MASK GENMASK(31, 0)
+#define NV_PRODID_MASK (PMIIDR_PRODUCTID | PMIIDR_VARIANT | PMIIDR_REVISION)
#define NV_FORMAT_NAME_GENERIC 0
@@ -40,10 +40,21 @@
struct nv_cspmu_ctx {
const char *name;
- u32 filter_mask;
- u32 filter_default_val;
+
struct attribute **event_attr;
struct attribute **format_attr;
+
+ u32 filter_mask;
+ u32 filter_default_val;
+ u32 filter2_mask;
+ u32 filter2_default_val;
+
+ u32 (*get_filter)(const struct perf_event *event);
+ u32 (*get_filter2)(const struct perf_event *event);
+
+ void *data;
+
+ int (*init_data)(struct arm_cspmu *cspmu);
};
static struct attribute *scf_pmu_event_attrs[] = {
@@ -144,6 +155,7 @@ static struct attribute *cnvlink_pmu_format_attrs[] = {
static struct attribute *generic_pmu_format_attrs[] = {
ARM_CSPMU_FORMAT_EVENT_ATTR,
ARM_CSPMU_FORMAT_FILTER_ATTR,
+ ARM_CSPMU_FORMAT_FILTER2_ATTR,
NULL,
};
@@ -184,13 +196,36 @@ static u32 nv_cspmu_event_filter(const struct perf_event *event)
return filter_val;
}
+static u32 nv_cspmu_event_filter2(const struct perf_event *event)
+{
+ const struct nv_cspmu_ctx *ctx =
+ to_nv_cspmu_ctx(to_arm_cspmu(event->pmu));
+
+ const u32 filter_val = event->attr.config2 & ctx->filter2_mask;
+
+ if (filter_val == 0)
+ return ctx->filter2_default_val;
+
+ return filter_val;
+}
+
static void nv_cspmu_set_ev_filter(struct arm_cspmu *cspmu,
const struct perf_event *event)
{
- u32 filter = nv_cspmu_event_filter(event);
- u32 offset = PMEVFILTR + (4 * event->hw.idx);
+ u32 filter, offset;
+ const struct nv_cspmu_ctx *ctx =
+ to_nv_cspmu_ctx(to_arm_cspmu(event->pmu));
+ offset = 4 * event->hw.idx;
+
+ if (ctx->get_filter) {
+ filter = ctx->get_filter(event);
+ writel(filter, cspmu->base0 + PMEVFILTR + offset);
+ }
- writel(filter, cspmu->base0 + offset);
+ if (ctx->get_filter2) {
+ filter = ctx->get_filter2(event);
+ writel(filter, cspmu->base0 + PMEVFILT2R + offset);
+ }
}
static void nv_cspmu_set_cc_filter(struct arm_cspmu *cspmu,
@@ -210,74 +245,120 @@ enum nv_cspmu_name_fmt {
struct nv_cspmu_match {
u32 prodid;
u32 prodid_mask;
- u64 filter_mask;
- u32 filter_default_val;
const char *name_pattern;
enum nv_cspmu_name_fmt name_fmt;
- struct attribute **event_attr;
- struct attribute **format_attr;
+ struct nv_cspmu_ctx template_ctx;
+ struct arm_cspmu_impl_ops ops;
};
static const struct nv_cspmu_match nv_cspmu_match[] = {
{
- .prodid = 0x103,
+ .prodid = 0x10300000,
.prodid_mask = NV_PRODID_MASK,
- .filter_mask = NV_PCIE_FILTER_ID_MASK,
- .filter_default_val = NV_PCIE_FILTER_ID_MASK,
.name_pattern = "nvidia_pcie_pmu_%u",
.name_fmt = NAME_FMT_SOCKET,
- .event_attr = mcf_pmu_event_attrs,
- .format_attr = pcie_pmu_format_attrs
+ .template_ctx = {
+ .event_attr = mcf_pmu_event_attrs,
+ .format_attr = pcie_pmu_format_attrs,
+ .filter_mask = NV_PCIE_FILTER_ID_MASK,
+ .filter_default_val = NV_PCIE_FILTER_ID_MASK,
+ .filter2_mask = 0x0,
+ .filter2_default_val = 0x0,
+ .get_filter = nv_cspmu_event_filter,
+ .get_filter2 = NULL,
+ .data = NULL,
+ .init_data = NULL
+ },
},
{
- .prodid = 0x104,
+ .prodid = 0x10400000,
.prodid_mask = NV_PRODID_MASK,
- .filter_mask = NV_NVL_C2C_FILTER_ID_MASK,
- .filter_default_val = NV_NVL_C2C_FILTER_ID_MASK,
.name_pattern = "nvidia_nvlink_c2c1_pmu_%u",
.name_fmt = NAME_FMT_SOCKET,
- .event_attr = mcf_pmu_event_attrs,
- .format_attr = nvlink_c2c_pmu_format_attrs
+ .template_ctx = {
+ .event_attr = mcf_pmu_event_attrs,
+ .format_attr = nvlink_c2c_pmu_format_attrs,
+ .filter_mask = NV_NVL_C2C_FILTER_ID_MASK,
+ .filter_default_val = NV_NVL_C2C_FILTER_ID_MASK,
+ .filter2_mask = 0x0,
+ .filter2_default_val = 0x0,
+ .get_filter = nv_cspmu_event_filter,
+ .get_filter2 = NULL,
+ .data = NULL,
+ .init_data = NULL
+ },
},
{
- .prodid = 0x105,
+ .prodid = 0x10500000,
.prodid_mask = NV_PRODID_MASK,
- .filter_mask = NV_NVL_C2C_FILTER_ID_MASK,
- .filter_default_val = NV_NVL_C2C_FILTER_ID_MASK,
.name_pattern = "nvidia_nvlink_c2c0_pmu_%u",
.name_fmt = NAME_FMT_SOCKET,
- .event_attr = mcf_pmu_event_attrs,
- .format_attr = nvlink_c2c_pmu_format_attrs
+ .template_ctx = {
+ .event_attr = mcf_pmu_event_attrs,
+ .format_attr = nvlink_c2c_pmu_format_attrs,
+ .filter_mask = NV_NVL_C2C_FILTER_ID_MASK,
+ .filter_default_val = NV_NVL_C2C_FILTER_ID_MASK,
+ .filter2_mask = 0x0,
+ .filter2_default_val = 0x0,
+ .get_filter = nv_cspmu_event_filter,
+ .get_filter2 = NULL,
+ .data = NULL,
+ .init_data = NULL
+ },
},
{
- .prodid = 0x106,
+ .prodid = 0x10600000,
.prodid_mask = NV_PRODID_MASK,
- .filter_mask = NV_CNVL_FILTER_ID_MASK,
- .filter_default_val = NV_CNVL_FILTER_ID_MASK,
.name_pattern = "nvidia_cnvlink_pmu_%u",
.name_fmt = NAME_FMT_SOCKET,
- .event_attr = mcf_pmu_event_attrs,
- .format_attr = cnvlink_pmu_format_attrs
+ .template_ctx = {
+ .event_attr = mcf_pmu_event_attrs,
+ .format_attr = cnvlink_pmu_format_attrs,
+ .filter_mask = NV_CNVL_FILTER_ID_MASK,
+ .filter_default_val = NV_CNVL_FILTER_ID_MASK,
+ .filter2_mask = 0x0,
+ .filter2_default_val = 0x0,
+ .get_filter = nv_cspmu_event_filter,
+ .get_filter2 = NULL,
+ .data = NULL,
+ .init_data = NULL
+ },
},
{
- .prodid = 0x2CF,
+ .prodid = 0x2CF00000,
.prodid_mask = NV_PRODID_MASK,
- .filter_mask = 0x0,
- .filter_default_val = 0x0,
.name_pattern = "nvidia_scf_pmu_%u",
.name_fmt = NAME_FMT_SOCKET,
- .event_attr = scf_pmu_event_attrs,
- .format_attr = scf_pmu_format_attrs
+ .template_ctx = {
+ .event_attr = scf_pmu_event_attrs,
+ .format_attr = scf_pmu_format_attrs,
+ .filter_mask = 0x0,
+ .filter_default_val = 0x0,
+ .filter2_mask = 0x0,
+ .filter2_default_val = 0x0,
+ .get_filter = nv_cspmu_event_filter,
+ .get_filter2 = NULL,
+ .data = NULL,
+ .init_data = NULL
+ },
},
{
.prodid = 0,
.prodid_mask = 0,
- .filter_mask = NV_GENERIC_FILTER_ID_MASK,
- .filter_default_val = NV_GENERIC_FILTER_ID_MASK,
.name_pattern = "nvidia_uncore_pmu_%u",
.name_fmt = NAME_FMT_GENERIC,
- .event_attr = generic_pmu_event_attrs,
- .format_attr = generic_pmu_format_attrs
+ .template_ctx = {
+ .event_attr = generic_pmu_event_attrs,
+ .format_attr = generic_pmu_format_attrs,
+ .filter_mask = NV_GENERIC_FILTER_ID_MASK,
+ .filter_default_val = NV_GENERIC_FILTER_ID_MASK,
+ .filter2_mask = NV_GENERIC_FILTER_ID_MASK,
+ .filter2_default_val = NV_GENERIC_FILTER_ID_MASK,
+ .get_filter = nv_cspmu_event_filter,
+ .get_filter2 = nv_cspmu_event_filter2,
+ .data = NULL,
+ .init_data = NULL
+ },
},
};
@@ -310,9 +391,16 @@ static char *nv_cspmu_format_name(const struct arm_cspmu *cspmu,
return name;
}
+#define SET_OP(name, impl, match, default_op) \
+ do { \
+ if (match->ops.name) \
+ impl->name = match->ops.name; \
+ else if (default_op != NULL) \
+ impl->name = default_op; \
+ } while (false)
+
static int nv_cspmu_init_ops(struct arm_cspmu *cspmu)
{
- u32 prodid;
struct nv_cspmu_ctx *ctx;
struct device *dev = cspmu->dev;
struct arm_cspmu_impl_ops *impl_ops = &cspmu->impl.ops;
@@ -322,30 +410,30 @@ static int nv_cspmu_init_ops(struct arm_cspmu *cspmu)
if (!ctx)
return -ENOMEM;
- prodid = FIELD_GET(ARM_CSPMU_PMIIDR_PRODUCTID, cspmu->impl.pmiidr);
-
/* Find matching PMU. */
for (; match->prodid; match++) {
const u32 prodid_mask = match->prodid_mask;
- if ((match->prodid & prodid_mask) == (prodid & prodid_mask))
+ if ((match->prodid & prodid_mask) ==
+ (cspmu->impl.pmiidr & prodid_mask))
break;
}
- ctx->name = nv_cspmu_format_name(cspmu, match);
- ctx->filter_mask = match->filter_mask;
- ctx->filter_default_val = match->filter_default_val;
- ctx->event_attr = match->event_attr;
- ctx->format_attr = match->format_attr;
+ /* Initialize the context with the matched template. */
+ memcpy(ctx, &match->template_ctx, sizeof(struct nv_cspmu_ctx));
+ ctx->name = nv_cspmu_format_name(cspmu, match);
cspmu->impl.ctx = ctx;
/* NVIDIA specific callbacks. */
- impl_ops->set_cc_filter = nv_cspmu_set_cc_filter;
- impl_ops->set_ev_filter = nv_cspmu_set_ev_filter;
- impl_ops->get_event_attrs = nv_cspmu_get_event_attrs;
- impl_ops->get_format_attrs = nv_cspmu_get_format_attrs;
- impl_ops->get_name = nv_cspmu_get_name;
+ SET_OP(set_cc_filter, impl_ops, match, nv_cspmu_set_cc_filter);
+ SET_OP(set_ev_filter, impl_ops, match, nv_cspmu_set_ev_filter);
+ SET_OP(get_event_attrs, impl_ops, match, nv_cspmu_get_event_attrs);
+ SET_OP(get_format_attrs, impl_ops, match, nv_cspmu_get_format_attrs);
+ SET_OP(get_name, impl_ops, match, nv_cspmu_get_name);
+
+ if (ctx->init_data)
+ return ctx->init_data(cspmu);
return 0;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-03 11:30:46 +0000