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-rw-r--r--include/acpi/cppc_acpi.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index 3fc796c0d902..f7afa20b8ad9 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -42,6 +42,11 @@
#define CPPC_EPP_PERFORMANCE_PREF 0x00
#define CPPC_EPP_ENERGY_EFFICIENCY_PREF 0xFF
+#define CPPC_PERF_LIMITED_DESIRED_EXCURSION BIT(0)
+#define CPPC_PERF_LIMITED_MINIMUM_EXCURSION BIT(1)
+#define CPPC_PERF_LIMITED_MASK (CPPC_PERF_LIMITED_DESIRED_EXCURSION | \
+ CPPC_PERF_LIMITED_MINIMUM_EXCURSION)
+
/* Each register has the folowing format. */
struct cpc_reg {
u8 descriptor;
@@ -174,6 +179,8 @@ extern int cppc_get_auto_act_window(int cpu, u64 *auto_act_window);
extern int cppc_set_auto_act_window(int cpu, u64 auto_act_window);
extern int cppc_get_auto_sel(int cpu, bool *enable);
extern int cppc_set_auto_sel(int cpu, bool enable);
+extern int cppc_get_perf_limited(int cpu, u64 *perf_limited);
+extern int cppc_set_perf_limited(int cpu, u64 bits_to_clear);
extern int amd_get_highest_perf(unsigned int cpu, u32 *highest_perf);
extern int amd_get_boost_ratio_numerator(unsigned int cpu, u64 *numerator);
extern int amd_detect_prefcore(bool *detected);
@@ -270,6 +277,14 @@ static inline int cppc_set_auto_sel(int cpu, bool enable)
{
return -EOPNOTSUPP;
}
+static inline int cppc_get_perf_limited(int cpu, u64 *perf_limited)
+{
+ return -EOPNOTSUPP;
+}
+static inline int cppc_set_perf_limited(int cpu, u64 bits_to_clear)
+{
+ return -EOPNOTSUPP;
+}
static inline int amd_get_highest_perf(unsigned int cpu, u32 *highest_perf)
{
return -ENODEV;