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Diffstat (limited to 'include/acpi/processor.h')
-rw-r--r--include/acpi/processor.h27
1 files changed, 26 insertions, 1 deletions
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index ef7d83a41470..77371b3cdc44 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -2,6 +2,7 @@
#define __ACPI_PROCESSOR_H
#include <linux/kernel.h>
+#include <linux/cpu.h>
#include <asm/acpi.h>
@@ -17,6 +18,17 @@
#define ACPI_PDC_REVISION_ID 0x1
+#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
+#define ACPI_PSD_REV0_ENTRIES 5
+
+/*
+ * Types of coordination defined in ACPI 3.0. Same macros can be used across
+ * P, C and T states
+ */
+#define DOMAIN_COORD_TYPE_SW_ALL 0xfc
+#define DOMAIN_COORD_TYPE_SW_ANY 0xfd
+#define DOMAIN_COORD_TYPE_HW_ALL 0xfe
+
/* Power Management */
struct acpi_processor_cx;
@@ -65,6 +77,14 @@ struct acpi_processor_power {
/* Performance Management */
+struct acpi_psd_package {
+ acpi_integer num_entries;
+ acpi_integer revision;
+ acpi_integer domain;
+ acpi_integer coord_type;
+ acpi_integer num_processors;
+} __attribute__ ((packed));
+
struct acpi_pct_register {
u8 descriptor;
u16 length;
@@ -91,7 +111,9 @@ struct acpi_processor_performance {
struct acpi_pct_register status_register;
unsigned int state_count;
struct acpi_processor_px *states;
-
+ struct acpi_psd_package domain_info;
+ cpumask_t shared_cpu_map;
+ unsigned int shared_type;
};
/* Throttling Control */
@@ -160,6 +182,9 @@ struct acpi_processor_errata {
} piix4;
};
+extern int acpi_processor_preregister_performance(
+ struct acpi_processor_performance **performance);
+
extern int acpi_processor_register_performance(struct acpi_processor_performance
*performance, unsigned int cpu);
extern void acpi_processor_unregister_performance(struct