diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 6e42ba0e6b727..fa0550e5abe66 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -4632,8 +4632,55 @@ PMU_FORMAT_ATTR(pc,	"config:19"	);
 PMU_FORMAT_ATTR(any,	"config:21"	); /* v3 + */
 PMU_FORMAT_ATTR(inv,	"config:23"	);
 PMU_FORMAT_ATTR(cmask,	"config:24-31"	);
-PMU_FORMAT_ATTR(in_tx,  "config:32");
-PMU_FORMAT_ATTR(in_tx_cp, "config:33");
+PMU_FORMAT_ATTR(in_tx,  "config:32"	);
+PMU_FORMAT_ATTR(in_tx_cp, "config:33"	);
+PMU_FORMAT_ATTR(eq,	"config:36"	); /* v6 + */
+
+static ssize_t umask2_show(struct device *dev,
+			   struct device_attribute *attr,
+			   char *page)
+{
+	u64 mask = hybrid(dev_get_drvdata(dev), config_mask) & ARCH_PERFMON_EVENTSEL_UMASK2;
+
+	if (mask == ARCH_PERFMON_EVENTSEL_UMASK2)
+		return sprintf(page, "config:8-15,40-47\n");
+
+	/* Roll back to the old format if umask2 is not supported. */
+	return sprintf(page, "config:8-15\n");
+}
+
+static struct device_attribute format_attr_umask2  =
+		__ATTR(umask, 0444, umask2_show, NULL);
+
+static struct attribute *format_evtsel_ext_attrs[] = {
+	&format_attr_umask2.attr,
+	&format_attr_eq.attr,
+	NULL
+};
+
+static umode_t
+evtsel_ext_is_visible(struct kobject *kobj, struct attribute *attr, int i)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	u64 mask;
+
+	/*
+	 * The umask and umask2 have different formats but share the
+	 * same attr name. In update mode, the previous value of the
+	 * umask is unconditionally removed before is_visible. If
+	 * umask2 format is not enumerated, it's impossible to roll
+	 * back to the old format.
+	 * Does the check in umask2_show rather than is_visible.
+	 */
+	if (i == 0)
+		return attr->mode;
+
+	mask = hybrid(dev_get_drvdata(dev), config_mask);
+	if (i == 1)
+		return (mask & ARCH_PERFMON_EVENTSEL_EQ) ? attr->mode : 0;
+
+	return 0;
+}
 
 static struct attribute *intel_arch_formats_attr[] = {
 	&format_attr_event.attr,
@@ -4786,8 +4833,14 @@ static inline bool intel_pmu_broken_perf_cap(void)
 
 static void update_pmu_cap(struct x86_hybrid_pmu *pmu)
 {
-	unsigned int sub_bitmaps = cpuid_eax(ARCH_PERFMON_EXT_LEAF);
-	unsigned int eax, ebx, ecx, edx;
+	unsigned int sub_bitmaps, eax, ebx, ecx, edx;
+
+	cpuid(ARCH_PERFMON_EXT_LEAF, &sub_bitmaps, &ebx, &ecx, &edx);
+
+	if (ebx & ARCH_PERFMON_EXT_UMASK2)
+		pmu->config_mask |= ARCH_PERFMON_EVENTSEL_UMASK2;
+	if (ebx & ARCH_PERFMON_EXT_EQ)
+		pmu->config_mask |= ARCH_PERFMON_EVENTSEL_EQ;
 
 	if (sub_bitmaps & ARCH_PERFMON_NUM_COUNTER_LEAF_BIT) {
 		cpuid_count(ARCH_PERFMON_EXT_LEAF, ARCH_PERFMON_NUM_COUNTER_LEAF,
@@ -5810,6 +5863,12 @@ static struct attribute_group group_format_extra_skl = {
 	.is_visible = exra_is_visible,
 };
 
+static struct attribute_group group_format_evtsel_ext = {
+	.name       = "format",
+	.attrs      = format_evtsel_ext_attrs,
+	.is_visible = evtsel_ext_is_visible,
+};
+
 static struct attribute_group group_default = {
 	.attrs      = intel_pmu_attrs,
 	.is_visible = default_is_visible,
@@ -5823,6 +5882,7 @@ static const struct attribute_group *attr_update[] = {
 	&group_caps_lbr,
 	&group_format_extra,
 	&group_format_extra_skl,
+	&group_format_evtsel_ext,
 	&group_default,
 	NULL,
 };
@@ -6042,6 +6102,7 @@ static const struct attribute_group *hybrid_attr_update[] = {
 	&group_caps_gen,
 	&group_caps_lbr,
 	&hybrid_group_format_extra,
+	&group_format_evtsel_ext,
 	&group_default,
 	&hybrid_group_cpus,
 	NULL,
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 400c909b86580..91b73571412f1 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -32,6 +32,8 @@
 #define ARCH_PERFMON_EVENTSEL_INV			(1ULL << 23)
 #define ARCH_PERFMON_EVENTSEL_CMASK			0xFF000000ULL
 #define ARCH_PERFMON_EVENTSEL_BR_CNTR			(1ULL << 35)
+#define ARCH_PERFMON_EVENTSEL_EQ			(1ULL << 36)
+#define ARCH_PERFMON_EVENTSEL_UMASK2			(0xFFULL << 40)
 
 #define INTEL_FIXED_BITS_MASK				0xFULL
 #define INTEL_FIXED_BITS_STRIDE			4
@@ -185,6 +187,8 @@ union cpuid10_edx {
  * detection/enumeration details:
  */
 #define ARCH_PERFMON_EXT_LEAF			0x00000023
+#define ARCH_PERFMON_EXT_UMASK2			0x1
+#define ARCH_PERFMON_EXT_EQ			0x2
 #define ARCH_PERFMON_NUM_COUNTER_LEAF_BIT	0x1
 #define ARCH_PERFMON_NUM_COUNTER_LEAF		0x1